gcc/ChangeLog

   1 2007-09-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
   2
   3         PR middle-end/33436
   4         * expr.c (emit_group_load_1): Split constant double when destination
   5         length is half source length.
   6
   7 2007-09-27  Richard Sandiford  <rsandifo@nildram.co.uk>
   8
   9         * config/mips/mips.h (PTF_AVOID_BRANCHLIKELY): New macro.
  10         (mips_cpu_info): Add tune_flags.
  11         (GENERATE_BRANCHLIKELY): Remove TARGET_SR71K check.
  12         * config/mips/mips.c (mips_cpu_info_table): Add tune_flags fields.
  13         Remove end marker.
  14         (override_options): Remove deprecation code.  Use branch-likely
  15         instructions for optimize_size or if the tuning flags do not
  16         suggest otherwise.  Tweak warning.
  17         (mips_matching_cpu_name_p, mips_parse_cpu): Use ARRAY_SIZE.
  18
  19 2007-09-27  Matthias Klose  <doko@ubuntu.com>
  20
  21         * config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
  22         multilib osdirname if it exists.
  23         * config/rs6000/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.
  24
  25 2007-09-27  Ian Lance Taylor  <iant@google.com>
  26
  27         PR tree-optimization/33565
  28         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING on
  29         assignments of comparisons.
  30         * tree-ssa-sccvn.c (simplify_binary_expression): Add stmt
  31         parameter.  Change caller.  Defer overflow warnings around call to
  32         fold_binary.
  33         * fold-const.c (fold_undefer_overflow_warnings): Don't warn if
  34         TREE_NO_WARNING is set on the statement.
  35         * tree-ssa-forwprop.c
  36         (tree_ssa_forward_propagate_single_use_vars): Don't test
  37         TREE_NO_WARNING when calling fold_undefer_overflow_warnings.
  38         * tree-cfg.c (fold_cond_expr_cond): Likewise.
  39
  40 2007-09-27  Joseph Myers  <joseph@codesourcery.com>
  41
  42         * config/rs6000/rs6000.c (rs6000_legitimize_address): Do not
  43         reduce offset by units of 0x10000 for SPE vector modes or modes
  44         used with E500 double instructions.
  45
  46 2007-09-04  Paolo Bonzini  <bonzini@gnu.org>
  47
  48         * simplify-rtx.c (comparison_result): New.
  49         (simplify_const_relational_operation): Use it instead of the five
  50         "equal|op[01]ltu?" variables; consequently remove redundant "else"s.
  51         Improve bounds-checking optimizations; remove subsumed POPCOUNT
  52         optimizations.  Extract nonzero_address_p optimizations into a
  53         separate "if" together with optimizations where op1 is const0_rtx.
  54         Optimize comparing an IOR with zero.  Simplify op0 RELOP op0 for
  55         floating-point arguments too when appropriate.  Hoist test for ABS
  56         outside the final switch statement.
  57         * cse.c (fold_rtx): Don't look for an IOR equivalent of
  58         folded_arg0 if we found a constant equivalent.  Remove
  59         transformations done in simplify-rtx.c for "op0 RELOP op0".
  60
  61 2007-09-27  Jakub Jelinek  <jakub@redhat.com>
  62
  63         * builtins.c (expand_builtin, expand_builtin_object_size,
  64         expand_builtin_memory_chk, maybe_emit_chk_warning,
  65         maybe_emit_sprintf_chk_warning): Use new %K format string specifier
  66         for diagnostics.
  67         * expr.c (expand_expr_real_1): Likewise.
  68         * langhooks-def.h (struct diagnostic_info): Add forward decl.
  69         (lhd_print_error_function): Add third argument.
  70         * langhooks.h (struct diagnostic_info): Add forward decl.
  71         (struct lang_hooks): Add third argument to print_error_function.
  72         * diagnostic.h (diagnostic_info): Add abstract_origin field.
  73         (diagnostic_last_function_changed, diagnostic_set_last_function): Add
  74         second argument.
  75         (diagnostic_report_current_function): Likewise.
  76         * toplev.c (announce_function): Pass NULL as second argument to
  77         diagnostic_set_last_function.
  78         * diagnostic.c (diagnostic_report_current_function): Add second
  79         argument, pass it as third argument to lang_hooks.print_error_function.
  80         (default_diagnostic_starter): Pass DIAGNOSTIC as second argument
  81         to diagnostic_report_current_function.
  82         (diagnostic_report_diagnostic): Initialize diagnostic->abstract_origin
  83         and message.abstract_origin.
  84         (verbatim): Initialize abstract_origin.
  85         * pretty-print.h (text_info): Add abstract_origin field.
  86         * pretty-print.c (pp_base_format): Handle %K.
  87         * langhooks.c (lhd_print_error_function): Add third argument.  If
  88         diagnostic->abstract_origin, print virtual backtrace.
  89         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
  90         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Support %K.
  91         (init_dynamic_diag_info): Likewise.
  92
  93 2007-09-26  David Daney  <ddaney@avtrex.com>
  94
  95         PR target/33479
  96         * config/mips/mips.md (sync_compare_and_swap<mode>, sync_old_add<mode>,
  97         sync_new_add<mode>, sync_old_<optab><mode>, sync_new_<optab><mode>,
  98         sync_old_nand<mode>, sync_new_nand<mode>,
  99         sync_lock_test_and_set<mode>): Fix '&' constraint modifiers.
 100         Update length attributes.
 101         (sync_add<mode>, sync_sub<mode>, sync_old_sub<mode>,
 102         sync_new_sub<mode>, sync_<optab><mode>, sync_nand<mode>): Update
 103         length attributes.
 104         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP,
 105         MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND,
 106         MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Add
 107         post-loop sync.
 108
 109 2007-09-26  Richard Guenther  <rguenther@suse.de>
 110
 111         PR tree-optimization/33563
 112         * tree-ssa-dse.c (get_use_of_stmt_lhs): Rename to ...
 113         (get_kill_of_stmt_lhs): ... this.  Re-structure.  Handle
 114         aggregate stores.
 115         (dse_optimize_stmt): Call get_kill_of_stmt_lhs instead of
 116         get_use_of_stmt_lhs.
 117
 118 2007-09-26  Joseph Myers  <joseph@codesourcery.com>
 119
 120         PR c/25309
 121         * c-common.c (complete_array_type): Diagnose too-large arrays and
 122         set type to error_mark_node.
 123
 124 2007-09-26  Richard Guenther  <rguenther@suse.de>
 125
 126         PR tree-optimization/30375
 127         PR tree-optimization/33560
 128         * tree-ssa-dse.c (get_use_of_stmt_lhs): Give up on uses
 129         with calls.
 130
 131         Revert
 132         2006-05-22  Aldy Hernandez  <aldyh@redhat.com>
 133
 134         * tree-ssa-dse.c (aggregate_vardecl_d): New.
 135         (dse_global_data): Add aggregate_vardecl field.
 136         (dse_possible_dead_store_p): New.
 137         Add prev_defvar variable.
 138         Allow immediate uses and previous immediate uses to differ
 139         if they are setting different parts of the whole.
 140         (get_aggregate_vardecl): New.
 141         (dse_record_partial_aggregate_store): New.
 142         (dse_whole_aggregate_clobbered_p): New.
 143         (dse_partial_kill_p): New.
 144         Call dse_maybe_record_aggregate_store().
 145         When checking whether a STMT and its USE_STMT refer to the
 146         same memory address, check also for partial kills that clobber
 147         the whole.
 148         Move some variable definitions to the block where they are used.
 149         (aggregate_vardecl_hash): New.
 150         (aggregate_vardecl_eq): New.
 151         (aggregate_vardecl_free): New.
 152         (aggregate_whole_store_p): New.
 153         (tree_ssa_dse): Initialize and free aggregate_vardecl.
 154         Mark which aggregate stores we care about.
 155
 156 2007-09-25  DJ Delorie  <dj@redhat.com>
 157
 158         PR target/33551
 159         * config/m32c/m32c.c (m32c_immd_dbl_mov): Use INTVAL instead of
 160         XINT.
 161
 162 2007-09-25  Michael Meissner  <michael.meissner@amd.com>
 163
 164         PR c/33524
 165         * config/i386/i386.c (ix86_expand_sse5_unpack): Change to call
 166         gen_sse5_pperm_sign_v4si_v2di and gen_sse5_pperm_zero_v4si_v2di
 167         for vector int32 -> int64 conversions.  Don't write beyond the end
 168         of the allocated vector for int32 -> int64 conversions.
 169
 170 2007-09-25  Revital Eres  <eres@il.ibm.com>
 171
 172         * config/rs6000/paired.h (paired_sel): New.
 173         * config/rs6000/rs6000.c (bdesc_3arg): Add selv2sf4.
 174         (rs6000_expand_ternop_builtin): Pass zero const_double operand
 175         when expanding selv2sf.
 176         * config/rs6000/rs6000.h (rs6000_builtins): Add
 177         PAIRED_BUILTIN_SELV2SF4.
 178
 179 2007-09-25  Joseph Myers  <joseph@codesourcery.com>
 180
 181         PR c/32295
 182         * c-typeck.c (default_conversion): Call require_complete_type
 183         before perform_integral_promotions.
 184         (build_unary_op): Call require_complete_type except for ADDR_EXPR.
 185         (build_c_cast): Call require_complete_type except for casts to
 186         void types.
 187         (convert_for_assignment): Call require_complete_type.
 188
 189 2007-09-25  Revital Eres  <eres@il.ibm.com>
 190
 191         * config/spu/spu.md: Fix doloop pattern.
 192
 193 2007-09-25  Bernd Schmidt  <bernd.schmidt@analog.com>
 194
 195         * config/bfin/bfin.c (expand_prologue_reg_save,
 196         expand_epilogue_reg_restore): Code to save and restore I/M/B/L regs and
 197         ASTAT moved here...
 198         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
 199         ... from here.  New argument ALL; callers changed.
 200         (n_regs_saved_by_prologue): Count ASTAT for plain saveall functions.
 201         (bfin_expand_prologue, bfin_expand_epilogue): Deal with functions that
 202         have the "saveall" attribute.
 203
 204 2007-09-25  Hans-Peter Nilsson  <hp@bitrange.com>
 205
 206         * config/mmix/mmix.h (FUNCTION_INCOMING_ARG_REGNO_P): Don't define
 207         bogus target macro.
 208         (INCOMING_REGNO, OUTGOING_REGNO): Define.
 209         * config/mmix/mmix.c (mmix_opposite_regno): New function.
 210         * config/mmix/mmix-protos.h (mmix_opposite_regno): Prototype.
 211
 212         * config/mmix/mmix.md ("*cmpcc_folded"): In condition, gate
 213         with REG_P tests before REGNO access.
 214
 215 2007-09-24  DJ Delorie  <dj@redhat.com>
 216
 217         PR target/31482
 218         * config/m32c/cond.md (stzx_reversed_<mode>): Add an output
 219         constraint.
 220         (movqicc_<code>_<mode>): Likewise.
 221         (movhicc_<code>_<mode>): Likewise.
 222
 223 2007-09-24  Rask Ingemann Lambertsen  <rask@sygehus.dk>
 224
 225         PR target/33184
 226         * config/m32c/m32c.c (m32c_eh_return_data_regno): Leave an address
 227         register for reload.
 228
 229 2007-09-24  Danny Smith  <dannysmith@user.sourceforge.net>
 230
 231         PR c++/14688
 232         * config/i386/i386.c (ix86_comp_type_attributes): Check
 233         METHOD_TYPE too.
 234
 235 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 236
 237         * config/m68k/m68k.h (ASM_OUTPUT_ALIGN_WITH_NOP): New, use
 238         "move.l %a4,%a4" to produce nops.
 239         * config/m68k/m68k.c (override_options): Reset align options,
 240         if neccessary align macro isn't avaible.
 241
 242 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 243
 244         config/m68k/linux.h (PREFERRED_STACK_BOUNDARY): New.
 245
 246 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 247
 248         * config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave
 249         the basic block.
 250         * config/m68k/m68k.md (movsi_m68k): Allow certain constant when
 251         reload is completed.
 252         (peephole pattern): Convert most of them to RTL peephole pattern.
 253
 254 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 255
 256         * config/m68k/m68k.c (notice_update_cc): Recognize fp compare
 257         (moved from fp compare patterns).
 258         * config/m68k/m68k.md (cmp<mode>, cmp<mode>_68881, cmp<mode>_cf):
 259         Cleanup predicates to relieve reload.
 260         (conditional_trap): Reject conditional trap with fp condition.
 261         * gcc/config/m68k/predicates.md (fp_src_operand): New, reject
 262         certain constants early.
 263
 264 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 265
 266         * gcc/final.c (final_scan_insn): Remove accidentally duplicated code.
 267
 268 2007-09-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 269
 270         * config.gcc (powerpc*-*-*): --with-cpu=cell is a 64bit CPU.
 271         Allow --with-tune=cell and --with-cpu=cell.
 272
 273 2007-09-24  David Edelsohn  <edelsohn@gnu.org>
 274
 275         * config/rs6000/rs6000-protos.h (rs6000_emit_swrsqrtsf): Declare.
 276         * config/rs6000/rs6000.opt (swdiv): Change option to ...
 277         (recip): this.
 278         * config/rs6000/rs6000.c (rs6000_builtin_reciprocal): New
 279         function.
 280         (TARGET_BUILTIN_RECIPROCAL): Use it.
 281         (rs6000_builtin_expand): Expand recip, recipf, and rsqrtf.
 282         (rs6000_init_builtins): Initialize recip, recipf, and rsqrtf.
 283         (rs6000_emit_swrsqrtsf): New.
 284         * config/rs6000/rs6000.h (rs6000_builtins): Add recip, recipf, and
 285         rsqrtf.
 286         * config/rs6000/rs6000.md (UNSPEC_RSQRT): Define.
 287         (divsf3): Remove swdiv support.
 288         (recipsf3): New.
 289         (rsqrtsf2): New.
 290         (rsqrt_internal1): New.
 291         (divdf3): Remove swdiv support.
 292         (reciptdf3): New.
 293
 294 2007-09-24  Jakub Jelinek  <jakub@redhat.com>
 295
 296         PR c++/33506
 297         * langhooks.h (struct lang_hooks_for_types): Add type_hash_eq
 298         field.
 299         * langhooks-def.h (LANG_HOOKS_TYPE_HASH_EQ): Define.
 300         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_TYPE_HASH_EQ.
 301         * tree.c (type_hash_eq): For FUNCTION_TYPE use
 302         lang_hooks.type.type_hash_eq in addition to generic tests.
 303
 304 2007-09-24  Pranav Bhandarkar  <pranav.bhandarkar@celunite.com>
 305         Ramana Radhakrishnan  <ramana@hercules.pun.celunite.com>
 306
 307         * tree-inline.h (eni_weights): Add field target_builtin_cost to
 308         reflect the cost per call to a target specific builtin.
 309         * tree-inline.c (estimate_num_insns_1): If it is a CALL_EXPR for a
 310         call to a target specific builtin, then use target_builtin_call_cost.
 311         (init_inline_once): Initialize target_builtin_call_cost field.
 312
 313 2007-09-24  Kai Tietz  <kai.tietz@onevision.com>
 314
 315         PR middle-end/33472
 316         * config/i386/i386.c (return_in_memory_ms_64): Handle return types for
 317         complex types.
 318
 319 2007-09-23  H.J. Lu  <hongjiu.lu@intel.com>
 320
 321         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
 322         * configure: Regenerated.
 323
 324 2007-09-23  Ollie Wild  <aaw@google.com>
 325
 326         * fold-const.c (fold_binary): Fold BIT_AND_EXPR's with a pointer
 327         operand.
 328         (get_pointer_modulus_and_residue): New function.
 329
 330 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 331
 332         * config/mips/mips.c (build_mips16_call_stub): On 64-bit targets,
 333         combine an SC return value into a single register.
 334
 335 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 336
 337         * opth-gen.awk (target_flags_explicit): Declare.
 338         * toplev.h (target_flags_explicit): Delete declaration.
 339         * toplev.c (target_flags): Likewise.
 340         * config/mips/mips.h (mips_llsc_setting, mips_llsc): Delete.
 341         (GENERATE_SYNC, GENERATE_LL_SC): Redefine using target_explicit_flags.
 342         Never return true for TARGET_MIPS16.
 343         * config/mips/mips.c (mips_llsc): Delete.
 344         (mips_handle_option): Remove -mllsc handling.
 345         (mips_strip_unspec_address): Tweak comment.
 346         * config/mips/mips.opt (mllsc): Use a target mask.
 347
 348 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 349
 350         * doc/tm.texi (POINTERS_EXTEND_UNSIGNED): Document extensions to
 351         word_mode as well as Pmode.
 352
 353 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 354
 355         * function.c (assign_parm_setup_block): Explicitly convert BLKmode
 356         parameters from word_mode to the subword type if such a truncation
 357         is not a no-op.
 358
 359 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
 360
 361         * configure.ac (MAKEINFO): Handle makeinfo version 4.10 and above.
 362         * configure: Regenerated.
 363
 364 2007-09-23  Jan Hubicka  <jh@suse.cz>
 365
 366         * params.def (INLINE_CALL_COST): Set to 12.
 367         * invoke.texi (inline-call-cost): Update default value.
 368
 369 2007-09-23  Eric Botcazou  <ebotcazou@adacore.com>
 370
 371         * config/alpha/alpha.md (movti): Use operand_subword for the split.
 372
 373 2007-09-23  Ayal Zaks  <zaks@il.ibm.com>
 374             Revital Eres  <eres@il.ibm.com>
 375
 376         * modulo-sched.c (doloop_register_get): Rewrite the loop which
 377         checks whether the count_reg is found outside the control part.
 378
 379 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
 380
 381         * expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
 382         instead of checking CALL_EXPR_FN directly to test for builtins.
 383         If error or warning attributes are present, print
 384         error resp. warning.
 385         * c-common.c (handle_error_attribute): New function.
 386         (c_common_attribute_table): Add error and warning
 387         attributes.
 388         * doc/extend.texi: Document error and warning attributes.
 389
 390         * tree.h (block_nonartificial_location): New prototype.
 391         * tree.c (block_nonartificial_location): New function.
 392         * dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial
 393         if artificial attribute is present on abstract inline decl.
 394         * c-common.c (handle_artificial_attribute): New function.
 395         (c_common_attribute_table): Add artificial attribute.
 396         * final.c (override_filename, override_linenum): New variables.
 397         (final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename
 398         and override_linenum if inside of a block inlined from
 399         __attribute__((__artificial__)) function.
 400         (notice_source_line): Honor override_filename and override_linenum.
 401         * doc/extend.texi: Document __attribute__((__artificial__)).
 402         * config/i386/emmintrin.h: Add __artificial__ attribute to
 403         all __always_inline__ functions.
 404         * config/i386/mmintrin.h: Likewise.
 405         * config/i386/tmmintrin.h: Likewise.
 406         * config/i386/mm3dnow.h: Likewise.
 407         * config/i386/pmmintrin.h: Likewise.
 408         * config/i386/ammintrin.h: Likewise.
 409         * config/i386/xmmintrin.h: Likewise.
 410         * config/i386/smmintrin.h: Likewise.
 411         * config/i386/bmmintrin.h: Likewise.
 412         * config/i386/mmintrin-common.h: Likewise.
 413
 414         PR middle-end/28755
 415         * expr.c (expand_constructor): New function.
 416         (expand_expr_real_1) <case CONSTRUCTOR>: Call it.
 417         (expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is
 418         CONSTRUCTOR.
 419
 420 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 421
 422         * config/mips/mips.c (dump_constants_1): Generalize to include
 423         fractional and accumulator modes.
 424
 425 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 426
 427         * config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros.
 428         * config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP
 429         flags for MIPS16.
 430         (override_options): Check TARGET_HARD_FLOAT_ABI instead of
 431         TARGET_HARD_FLOAT when testing whether -mpaired-single is
 432         supported.
 433         (mips_conditional_register_usage): Check ISA_HAS_DSP instead of
 434         TARGET_DSP.
 435         * config/mips/constraints.md (ka): Check ISA_HAS_DSPR2 instead of
 436         TARGET_DSPR2.
 437         * config/mips/mips.md (ANYF): Require TARGET_HARD_FLOAT for V2SF.
 438         (mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require
 439         TARGET_HARD_FLOAT.
 440         (<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check
 441         ISA_HAS_DSPR2 instead of TARGET_HAS_DSPR2.
 442         * config/mips/mips-dsp.md: Use ISA_HAS_DSP instead of TARGET_HAS_DSP
 443         throughout.
 444         * config/mips/mips-dspr2.md: Likewise ISA_HAS_DSPR2 and
 445         TARGET_HAS_DSPR2.
 446         * config/mips/mips-fixed.md: Use ISA_HAS_DSP and ISA_HAS_DSPR2
 447         instead of TARGET_HAS_DSP and TARGET_HAS_DSPR2.
 448         * config/mips/mips-ps-3d.md: Add TARGET_HARD_FLOAT to V2SF patterns.
 449
 450 2007-09-22  Jason Merrill  <jason@redhat.com>
 451
 452         PR c++/19407
 453         * attribs.c (lookup_attribute_spec): Split out...
 454         (decl_attributes): From here.
 455         * tree.h: Declare it.
 456
 457 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 458
 459         * doc/sourcebuild.texi: Document dg-add-options mips16_attribute.
 460
 461 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
 462
 463         * tree-inline.c (remap_type_1): Correctly chain variants.
 464
 465 2007-09-22  Richard Guenther  <rguenther@suse.de>
 466
 467         PR tree-optimization/33146
 468         * fold-const.c (fold_binary): Use the original tree
 469         for negating.
 470         * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
 471         also changes "sign".
 472
 473 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
 474
 475         PR target/32325
 476         * except.c (finish_eh_generation): Call commit_edge_insertions if
 477         there are insns queued on the entry edge.
 478         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
 479         the entry edge.
 480
 481 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 482
 483         * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.
 484
 485 2007-09-19  Michael Meissner  <michael.meissner@amd.com>
 486
 487         * gcc/config/i386/i386.c: Delete trailing whitespace.
 488         * gcc/config/i386/i386.h: Ditto.
 489         * gcc/config/i386/bmmintrin.h: Ditto.
 490         * gcc/config/i386/sync.md: Ditto.
 491         * gcc/config/i386/ppro.md: Ditto.
 492         * gcc/config/i386/mmx.md: Ditto.
 493         * gcc/config/i386/constraints.md: Ditto.
 494         * gcc/config/i386/sse.md: Ditto.
 495         * gcc/config/i386/athlon.md: Ditto.
 496         * gcc/config/i386/i386.md: Ditto.
 497
 498 2007-09-21  Richard Guenther  <rguenther@suse.de>
 499
 500         PR tree-optimization/33508
 501         * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
 502         quadratic loop by keeping a bitmap of variables we have
 503         to clobber all subvariables for.
 504         (set_initial_properties): Likewise.
 505
 506 2007-09-21  Richard Sandiford  <rsandifo@nildram.co.uk>
 507
 508         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.
 509
 510 2007-09-20  Nigel Stephens  <nigel@mips.com>
 511             Chao-ying Fu  <fu@mips.com>
 512
 513         * c-decl.c (finish_declspecs): When _Sat is used without
 514         _Fract or _Accum, set the default type to cts_fract.
 515         This avoids a warning of "type defaults to int".
 516
 517 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
 518
 519         * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
 520         bit-fields wider than one bit.
 521
 522 2007-09-20  Jakub Jelinek  <jakub@redhat.com>
 523
 524         PR debug/33316
 525         * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
 526         DECL_NAME.
 527         * dbxout.c (dbxout_type): Likewise.
 528
 529         PR c/33238
 530         PR c/27301
 531         * gimplify.c (gimplify_vla_decl): New function.
 532         (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
 533         Call it.
 534         (gimplify_target_expr): Handle variable length TARGET_EXPRs.
 535
 536 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 537
 538         * doc/invoke.texi (-minterlink-mips16): Document.
 539         * config/mips/mips.opt (minterlink-mips16): New option.
 540         * config/mips/mips.c (mips_function_ok_for_sibcall): Handle
 541         -minterlink-mips16
 542
 543 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
 544
 545         * doc/extend.texi (Attribute Syntax): Remove old speculative
 546         future direction.
 547
 548 2007-09-20  Mark Shinwell  <shinwell@codesourcery.com>
 549
 550         * combine.c: Include cgraph.h.
 551         (setup_incoming_promotions): Rework to allow more aggressive
 552         elimination of sign extensions when all call sites of the
 553         current function are known to lie within the current unit.
 554
 555 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 556
 557         * dse.c (find_shift_sequence): No-op rework of control flow.
 558
 559 2007-09-19  Richard Sandiford  <rsandifo@nildram.co.uk>
 560
 561         * config/mips/mips.c (build_mips16_call_stub): Tidy.  Fix second
 562         GPR for DCmode on 64-bit targets.  Remove redundant fallback.
 563
 564 2007-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 565
 566         * cfgexpand.c (dump_stack_var_partition): Use the correct
 567         index for the offset.
 568
 569 2007-09-19  Joseph Myers  <joseph@codesourcery.com>
 570
 571         * config/mips/sde.h: Switch to GPLv3.
 572
 573 2007-09-19  Eric Botcazou  <ebotcazou@adacore.com>
 574
 575         * tree-sra.c (decide_block_copy): Decide if there are groups.
 576
 577 2007-09-19  Roman Zippel <zippel@linux-m68k.org>
 578
 579         * config/m68k/m68k.c (output_move_himode): Remove jump table
 580         recognition.
 581         config/m68k/m68k.md (lea): Likewise.
 582         * config/m68k/m68k.c (print_operand_address): Use simple pc
 583         relative addressing.
 584
 585 2007-09-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 586
 587         * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
 588         * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument
 589         default definition.
 590         (asm_insn_count): Pass template as second argument to it.
 591         * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 592         * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 593         * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 594         * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 595         * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 596         (sh_insn_length_adjustment): Pass template as second argument to it.
 597         * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.
 598
 599         * config/bfin/bfin.md (define_asm_attributes): New.
 600
 601 2007-09-19  Jie Zhang  <jie.zhang@analog.com>
 602
 603         * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
 604         to tm_file.
 605         * config/bfin/print-sysroot-suffix.sh: New.
 606         * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
 607         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 608         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 609         * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
 610         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 611         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 612         * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
 613         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 614         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 615         (linux-sysroot-suffix.h): New target.
 616         * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
 617         (mspecld-anomaly): Likewise.
 618         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
 619         (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
 620         BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542,
 621         BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549.
 622         (bfin_si_revision): Declare.
 623         (bfin_workarounds): Declare.
 624         (WA_SPECULATIVE_LOADS): Define.
 625         (ENABLE_WA_SPECULATIVE_LOADS): Define.
 626         (WA_SPECULATIVE_SYNCS): Define.
 627         (ENABLE_WA_SPECULATIVE_SYNCS): Define.
 628         * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
 629         (LIB_SPEC): Add %s to the linker scripts.
 630         Use proper linker script for bf522, bf525, bf527,
 631         bf538, bf539, bf542, bf544, bf548, and bf549.
 632         * config/bfin/bfin.c (bfin_si_revision): Define.
 633         (bfin_workarounds): Define.
 634         (struct bfin_cpu): New.
 635         (bfin_cpus): New.
 636         (bfin_handle_option): Handle silicon revision part of -mcpu option.
 637         (override_options): Set bfin_workarounds.
 638         (length_for_loop): Replace TARGET_CSYNC_ANOMALY with
 639         ENABLE_WA_SPECULATIVE_SYNCS, TARGET_SPECLD_ANOMALY with
 640         ENABLE_WA_SPECULATIVE_LOADS.
 641         (bfin_reorg): Likewise.
 642         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
 643         macros for bf522, bf525, bf527, bf538, bf539,
 644         bf542, bf544, bf548, and bf549.
 645         Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed.
 646         Don't define __ID_SHARED_LIB__ when -msep-data.
 647         (TARGET_DEFAULT): Define as 0.
 648         (DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option.
 649         * doc/invoke.texi (Blackfin Options): Document silicon
 650         revision part of -mcpu option and it now accepts bf522, bf525,
 651         bf527, bf538, bf539, bf542, bf544, bf548, and bf549.
 652
 653 2007-09-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 654
 655         * alias.c (memory_modified_1): Deconstify.
 656         (memory_modified_in_insn_p): Don't use const_note_stores.
 657         * rtl.h (const_note_stores): Delete.
 658         * rtlanal.c (const_note_stores): Likewise.
 659
 660 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 661
 662         * dse.c (find_shift_sequence): Temporarily revert to forbidding
 663         word shifts.
 664
 665 2007-09-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
 666
 667         PR target/33388
 668         PR target/33397
 669         * config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO().
 670         (addsi_small_int): Likewise.
 671         (addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
 672         (one_cmplsi2): Likewise.
 673         (negsi2): Delete.
 674         (enter_func): Expand insn using hard_frame_pointer_rtx and
 675         stack_pointer_rtx.
 676         (*enter_func): New.
 677         * config/fr30/fr30.c (fr30_expand_prologue): Check for
 678         hard_frame_pointer_rtx instead of using REGNO() check.
 679         Properly sign extend GEN_INT() argument.
 680
 681 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
 682
 683         * config/m68k/m68k.c (override_options): Remove USE_GAS,
 684         use %. syntax.
 685         (output_dbcc_and_branch, output_scc_di): Replace all jbcc
 686         alternatives with just jcc.
 687         * config/m68k/m68k.md (addsi_lshrsi_31, beq0_di, bne0_di,
 688         bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev,
 689         bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si,
 690         dbge_hi, dbge_si): Likewise.
 691
 692 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
 693
 694         * config/m68k/m68k.md (beq, bne, bgt, blt, bge, ble, bordered,
 695         bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev,
 696         bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev,
 697         bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev,
 698         bunlt_rev, bltgt_rev): Replace all fbcc with fjcc.
 699
 700 2007-09-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
 701
 702         * config/m68k/m68k-devices.def (51qe): New device.
 703         * config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit.  Add it
 704         to all uses of FL_FOR_isa_c for compatibility.
 705         (all_microarchs): Add cfv1 microarchitecture.
 706         (m68k_handle_option): Handle m51qe option.
 707         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE.
 708         (TUNE_CFV1): New macro.
 709         (enum uarch_type): Add ucfv1.
 710         * doc/invoke.texi: Document 51qe device and cfv1 microarchitecture.
 711
 712 2007-09-18  Richard Guenther  <rguenther@suse.de>
 713
 714         PR tree-optimization/31863
 715         * tree-ssa-structalias.c (create_variable_info_for): Always
 716         free the fieldstack.
 717
 718 2007-09-18  Dorit Nuzman  <dorit@il.ibm.com>
 719
 720         * opts.c (decode_options): Enable vectorization under -O3.
 721
 722 2007-09-18  Richard Guenther  <rguenther@suse.de>
 723
 724         PR tree-optimization/33340
 725         * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
 726         SSA_NAMEs that occur in abnormal PHI nodes.
 727
 728 2007-09-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 729
 730         * tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p):
 731         Don't use const_get_call_expr_in.
 732         * tree-gimple.c (const_get_call_expr_in): Delete.
 733         * tree-gimple.h (const_get_call_expr_in): Likewise.
 734
 735 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 736
 737         * df-scan.c (df_notes_rescan): Do nothing if the instruction does
 738         not yet have a basic block.
 739         * dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
 740
 741 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 742
 743         * config/mips/mips.c (mips_file_start): Add ".previous" directives
 744         to both ".section"s.
 745
 746 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
 747
 748         * config/mips/mips.c (mips_output_mi_thunk): Use
 749         mips_function_ok_for_sibcall and const_call_insn_operand
 750         to determine if a direct sibcall is allowed.  Use
 751         mips_classify_symbol to determine a global pointer is needed.
 752
 753 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
 754
 755         * config/mips/mips.md (*clear_upper32): Use "W" as the memory operand.
 756
 757 2007-09-17  Chao-ying Fu  <fu@mips.com>
 758             Nigel Stephens  <nigel@mips.com>
 759
 760         * config/fixed-bit.h: New file.
 761         * config/fixed-bit.c: New file.
 762         * doc/libgcc.texi (Fixed-point fractional library routines): New node.
 763
 764 2007-09-18  Jakub Jelinek  <jakub@redhat.com>
 765
 766         * c-format.h (format_kind_info): Add alloc_char field.
 767         * c-format.c (scanf_flag_specs): Add 'm'.
 768         (scanf_flag_pairs): Add 'a', 'm' pair.
 769         (scan_char_table): Allow 'm' modifier for c, s, [, C and S.
 770         (format_types_orig): Add alloc_char fields.
 771         (check_format_info_main): Rename aflag to alloc_flag.
 772         Handle fki->alloc_char. modifier after width and before length
 773         modifiers.  Move FMT_FLAG_SCANF_A_KLUDGE handling before
 774         length modifiers as well.
 775         * config/sol2-c.c (solaris_format_types): Add alloc_char field.
 776
 777         PR middle-end/33423
 778         * builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs
 779         returned by build_call_expr.
 780
 781 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
 782
 783         * tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return
 784         NULL for variable-sized records too.
 785         (sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too.
 786
 787 2007-09-17  Tom Tromey  <tromey@redhat.com>
 788
 789         * c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC.
 790         (c_builtin_function): Likewise.
 791         (grokdeclarator): Likewise.
 792
 793 2007-09-17  Zdenek Dvorak  <ook@ucw.cz>
 794
 795         PR rtl-optimization/26449
 796         * loop-invariant.c (move_invariant_reg): Do not use force_operand.
 797         (seq_insns_valid_p): Removed.
 798
 799 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
 800
 801         * tree-nomudflap.c (gate_mudflap): New static function.
 802         (pass_mudflap_1): Use it as gate function.
 803         (pass_mudflap_2): Likewise.
 804
 805 2007-09-17  Jan Hubicka  <jh@suse.cz>
 806
 807         PR middle-end/33348
 808         PR target/33406
 809         * loop-invariant.c (move_invariant_reg): Unshare sequence.
 810
 811 2007-09-17  Victor Kaplansky  <victork@il.ibm.com>
 812
 813         PR tree-optimization/33319
 814         * tree-vect-analyze.c (vect_same_range_drs): New.
 815         (vect_vfa_range_equal): New.
 816         (vect_is_duplicate_ddr): Removed.
 817         (vect_mark_for_runtime_alias_test): Do not perform marking when
 818         optimizing for size or max_param for alias checking is zero.
 819         Move the function before vect_analyze_data_ref_dependence.
 820         (vect_analyze_data_ref_dependence): Add call to
 821         vect_mark_for_runtime_alias_test in two cases when dependence
 822         is not clear.
 823         (vect_analyze_data_ref_dependences): Do not call to
 824         vect_mark_for_runtime_alias_test.
 825         (vect_prune_runtime_alias_test_list): New.
 826         (vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list.
 827         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
 828         Update vec_outside_cost.
 829         (vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT.
 830         (vect_create_cond_for_alias_checks): Build the base address of data
 831         reference from DR_GROUP_FIRST_DR.
 832         (vect_loop_versioning): New.
 833         (vect_transform_loop): Add a call to vect_loop_versioning.
 834         Remove factored out code.
 835
 836 2007-09-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 837
 838         PR middle-end/33273
 839         * expr.c (store_expr): Call adjust_address to change mode of dest_mem
 840         to BLKmode.
 841
 842 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
 843
 844         * dse.c (find_shift_sequence): Allow word as well as subword shifts.
 845         Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set.
 846         Fix the call to insn_rtx_cost.  Skip access sizes that require a
 847         real truncation of the store register.  Use convert_move instead
 848         of gen_lowpart when narrowing the result.
 849         (replace_read): Use convert_move instead of gen_lowpart when
 850         narrowing the store rhs.
 851
 852 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
 853
 854         * config/mips/mips.md (SHORT): Fix long line.
 855         (SUBDI): New mode iterator.  Extend the shift-and-truncate insns
 856         to QImode and HImode.
 857
 858 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
 859
 860         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.
 861
 862 2007-09-15  Zdenek Dvorak  <ook@ucw.cz>
 863
 864         * tree-parloops.c: New file.
 865         * tree-ssa-operands.h (free_stmt_operands): Declare.
 866         * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
 867         block.
 868         * tree-pass.h (pass_parallelize_loops): Declare.
 869         * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
 870         virtual operands.
 871         (build_omp_regions_1): Allow analysing just a single OMP region and
 872         its subregions.
 873         ( build_omp_regions_root, omp_expand_local): New functions.
 874         (build_omp_regions): Add argument to build_omp_regions_1 call.
 875         * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
 876         autoparallelization is run.
 877         * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
 878         * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
 879         pass_parallelize_loops): New.
 880         * common.opt (ftree-parallelize-loops): New.
 881         * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
 882         parallelize_loops): Declare.
 883         (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
 884         * Makefile.in (tree-parloops.o): Added.
 885         * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
 886         New functions.
 887         (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
 888         (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
 889         one extra edge as well.
 890         (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
 891         Use VEC_free to free doms vector.
 892         (move_block_to_fn): Update loop info. Remove phi nodes for virtual
 893         operands.  Recompute operand caches in the new function.
 894         (move_sese_region_to_fn): Update loop info.
 895         * passes.c (init_optimization_passes): Add pass_parallelize_loops.
 896         * tree-ssa-operands.c (free_stmt_operands): New function.
 897
 898         * doc/passes.texi: Document autoparallelization.
 899         * doc/invoke.texi (-ftree-parallelize-loops): New option.
 900
 901 2007-09-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 902
 903         PR target/33062
 904         * pa.c (function_value): Use GET_MODE_BITSIZE instead of
 905         TYPE_PRECISION.
 906
 907 2007-09-15  Dorit Nuzman  <dorit@il.ibm.com>
 908
 909         * tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if
 910         the VEC is not NULL.
 911         (vectorizable_type_demotion, vectorizable_type_promotion): Check that
 912         get_vectype_for_scalar_type succeeded.
 913         (vectorizable_conversion): Likewise.
 914
 915 2007-09-14  Jan Hubicka  <jh@suse.cz>
 916
 917         * config/i386/i386.md (*floatdi<mode>2_i387): Guard against
 918         TARGET_64BIT.
 919
 920 2007-09-14  Uros Bizjak  <ubizjak@gmail.com>
 921
 922         PR target/33438
 923         * config/i386/i386.md (fmodxf3): Copy operands[2] to temporary
 924         register when operands[2] equals operands[1].
 925         (remainderxf3): Ditto.
 926
 927 2007-09-14  Sandra Loosemore  <sandra@codesourcery.com>
 928             Nigel Stephens  <nigel@mips.com>
 929
 930         * doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document.
 931         * unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
 932         (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to
 933         declaration.
 934         (_Unwind_ForcedUnwind): Likewise.
 935         (_Unwind_Resume): Likewise.
 936         (_Unwind_Resume_or_Rethrow): Likewise.
 937         (_Unwind_Backtrace): Likewise.
 938         (_Unwind_SjLj_RaiseException): Likewise.
 939         (_Unwind_SjLj_ForcedUnwind): Likewise.
 940         (_Unwind_SjLj_Resume): Likewise.
 941         (_Unwind_SjLj_Resume_or_Rethrow): Likewise.
 942         * unwind.inc (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE
 943         to definition.
 944         (_Unwind_ForcedUnwind): Likewise.
 945         (_Unwind_Resume): Likewise.
 946         (_Unwind_Resume_or_Rethrow): Likewise.
 947         (_Unwind_Backtrace): Likewise.
 948         * unwind-compat.c (_Unwind_Backtrace): Likewise.
 949         (_Unwind_ForcedUnwind): Likewise.
 950         (_Unwind_RaiseException): Likewise.
 951         (_Unwind_Resume): Likewise.
 952         (_Unwind_Resume_or_Rethrow): Likewise.
 953
 954         * config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force
 955         nomips16 mode when IN_LIBGCC2 with hard float.
 956
 957 2007-09-14  Richard Sandiford  <rsandifo@nildram.co.uk>
 958
 959         * config/mips/sdemtk.opt: Update to GPLv3.
 960         * config/mips/sdemtk.h: Likewise.
 961
 962 2007-09-14  Nigel Stephens  <nigel@mips.com>
 963
 964         * config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set
 965         MIPS_ISA_DEFAULT appropriately.  Don't make soft-float the default
 966         for mipsisa32-*-linux*.
 967
 968 2007-09-14  Nigel Stephens  <nigel@mips.com>
 969             David Ung  <davidu@mips.com>
 970             Thiemo Seufer  <ths@mips.com>
 971             Richard Sandiford  <richard@codesourcery.com>
 972
 973         * config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
 974         * configure.ac: Add a mipssde threading type.
 975         * configure: Regenerate.
 976         * config/mips/sdemtk.h: New file.
 977         * config/mips/t-sdemtk: Likewise.
 978         * config/mips/sdemtk.opt: Likewise.
 979         * gthr-mipssde.h: Likewise.
 980         * config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
 981         * config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
 982         (MIPS_ICACHE_SYNC): New macro, split from ...
 983         * config/mips/mips.md (clear_cache): ...here.
 984         * config/mips/mips.c (mips_save_reg_p): Check
 985         MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
 986         (build_mips16_function_stub): Use targetm.strip_name_encoding.
 987         (build_mips16_call_stub): Likewise.
 988
 989 2007-09-14  Richard Sandiford  <richard@codesourcery.com>
 990
 991         * Makefile.in (stmp-int-hdrs): Depend on fixinc_list.
 992
 993 2007-09-14  Jakub Jelinek  <jakub@redhat.com>
 994
 995         PR target/32337
 996         * config/ia64/ia64.c (find_gr_spill): Don't decrement
 997         current_frame_info.n_local_regs.  Don't return emitted local
 998         regs.
 999         (ia64_compute_frame_size): Improve unwind hack to put
1000         RP, PFS, FP in that order by allowing some of the registers
1001         been already emitted, as long as they are emitted to the
1002         desired register.
1003
1004 2007-09-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1005
1006         * config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx,
1007         vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats,
1008         vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics.
1009
1010 2007-09-13  Eric Christopher  <echristo@apple.com>
1011             Kenneth Zadeck <zadeck@naturalbridge.com>
1012
1013         * dse.c (find_shift_sequence): New function.
1014         (replace_read): Add case to remove read if it requires shift.
1015         * config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
1016
1017 2007-09-13  Tom Tromey  <tromey@redhat.com>
1018
1019         * c-common.c (fname_as_string): Update.
1020         * c-parser.c (c_parser) <lex_untranslated_string>: New field.
1021         (c_lex_one_token): Update.  Add 'parser' argument.
1022         (c_parser_simple_asm_expr): Update.
1023         (c_parser_attributes): Update.
1024         (c_parser_asm_statement): Update.
1025         (c_parser_asm_operands): Update.
1026         (c_parser_peek_token): Update.
1027         (c_parser_peek_2nd_token): Update.
1028         * c-lex.c (c_lex_string_translate): Remove.
1029         (c_lex_return_raw_strings): Likewise.
1030         (c_lex_with_flags): Added 'lex_flags' argument.
1031         (lex_string): Added 'translate' argument.
1032         * c-pragma.h (c_lex_with_flags): Update.
1033         (c_lex_string_translate, c_lex_return_raw_strings): Remove.
1034         (C_LEX_STRING_NO_TRANSLATE): New define.
1035         (C_LEX_RAW_STRINGS): Likewise.
1036
1037 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1038
1039         From Jie Zhang:
1040         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES,
1041         BFIN_BUILTIN_CPLX_MUL_16_S40, BFIN_BUILTIN_CPLX_MAC_16_S40,
1042         BFIN_BUILTIN_CPLX_MSU_16_S40, and BFIN_BUILTIN_CPLX_SQU.
1043         (bfin_init_builtins): Initialize __builtin_bfin_ones,
1044         __builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16,
1045         __builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32,
1046         __builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub,
1047         __builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40,
1048         __builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16.
1049         (bdesc_1arg): Add __builtin_bfin_ones.
1050         (bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40,
1051         __builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40,
1052         and __builtin_bfin_csqu_fr16.
1053         * config/bfin/bfin.md (UNSPEC_ONES): New constant.
1054         (ones): New define_insn.
1055         (ssaddhi3_parts): New define_insn.
1056         (sssubhi3_parts): New define_insn.
1057         (flag_mulhi_parts): New define_insn.
1058
1059 2007-09-13  Seongbae Park <seongbae.park@gmail.com>
1060
1061         * common.opt (femit-class-debug-always): Turn off by default.
1062
1063 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1064
1065         * config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
1066         * config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.
1067
1068 2007-09-13  James E. Wilson  <wilson@specifix.com>
1069
1070         PR tree-optimization/33389
1071         * tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true,
1072         then set build_loads before returning.
1073
1074 2007-09-13  Sandra Loosemore  <sandra@codesourcery.com>
1075             David Ung  <davidu@mips.com>
1076
1077         * config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with
1078         {d}addiu and a negative immediate such that it works with MIPS16
1079         instructions.
1080
1081 2007-09-13  H.J. Lu  <hongjiu.lu@intel.com>
1082
1083         PR bootstrap/33418
1084         * configure.ac (ld_vers): Support Linux linker.
1085         * configure: Regenerated.
1086
1087 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
1088             Sandra Loosemore <sandra@codesourcery.com>
1089
1090         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete.
1091         (SYMBOL_REF_MIPS16_FUNC_P): Delete.
1092         * config/mips/mips.c (mips_attribute_table): Turn mips16 and
1093         nomips16 into decl attributes.
1094         (TARGET_INSERT_ATTRIBUTES): Override.
1095         (TARGET_MERGE_DECL_ATTRIBUTES): Likewise.
1096         (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): Always return true.
1097         (mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of...
1098         (mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions.
1099         (mips_comp_type_attributes): Remove mips16 and nomips16 handling.
1100         (mips_use_mips16_mode_p): Reimplement as a function that takes
1101         a decl and considers only decl attributes.  If the decl is nested
1102         function, use its parent attributes.
1103         (mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p
1104         instead of SYMBOL_REF_MIPS16_FUNC_P.
1105         (mips_set_mips16_mode): Move call to sorry here from old
1106         mips_use_mips16_mode_p.
1107         (mflip_mips16_entry): New structure.
1108         (mflip_mips16_htab): New variable.
1109         (mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions.
1110         (mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise.
1111         (mips_merge_decl_attributes): New function.
1112         (mips_set_current_function): Reinstate call to mips_set_mips16_mode.
1113         Use mips_use_mips16_mode_p.
1114         (mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of
1115         SYMBOL_REF_MIPS16_FUNC_P.
1116         (mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC.
1117
1118 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
1119
1120         * c-parser.c (c_parser_struct_declaration): Check for a null return.
1121
1122 2007-09-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1123
1124         PR driver/33309
1125         * gcc.c (xputenv): Make argument const, and use CONST_CAST.
1126
1127 2007-09-12  Michael Meissner  <michael.meissner@amd.com>
1128             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1129             Tony Linthicum  <tony.linthicum@amd.com>
1130
1131         * tree.h (function_args_iterator): New type to iterate over
1132         function arguments.
1133         (FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over
1134         function arguments providing a pointer to the argument.
1135         (FOREACH_FUNCTION_ARGS): Iterator macros for iterating over
1136         function arguments providing the argument.
1137         (function_args_iter_init): Inline function to initialize
1138         function_args_iterator.
1139         (function_args_iter_cond_ptr): Inline function to return the next
1140         pointer to hold the argument.
1141         (function_args_iter_cond): Inline function to return the next
1142         argument.
1143         (function_args_iter_cond_next): Advance the function args
1144         iterator.
1145         (stdarg_p): New function, return true if variable argument
1146         function.
1147         (prototype_p): New function, return true if function is
1148         prototyped.
1149         (function_args_count): New function, count the number of arguments
1150         of a function.
1151
1152         * tree.c (stdarg_p): New function, return true if variable
1153         argument function.
1154         (prototype_p): New function, return true if function is
1155         prototyped.
1156
1157         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
1158         (TARGET_ROUND): New macro for the round/ptest instructions which
1159         are shared between SSE4.1 and SSE5.
1160         (OPTION_MASK_ISA_ROUND): Ditto.
1161         (OPTION_ISA_ROUND): Ditto.
1162         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
1163         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
1164
1165         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
1166         (-mfused-madd): New switch to give users control over whether the
1167         compiler optimizes to use the multiply/add SSE5 instructions.
1168
1169         * config/i386/i386.c (m_AMD_MULTIPLE): Rename from
1170         m_ATHLON_K8_AMDFAM10, and change all uses.
1171         (enum pta_flags): Add PTA_SSE5.
1172         (ix86_handle_option): Turn off 3dnow if -msse5.
1173         (override_options): Add SSE5 support.
1174         (print_operand): %Y prints comparison codes for SSE5 com/pcom
1175         instructions.
1176         (ix86_expand_sse_movcc): Add SSE5 support.
1177         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
1178         vector type to the next largest size.
1179         (ix86_expand_sse5_pack): New function to use pperm to pack a
1180         vector type to the next smallest size.
1181         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
1182         (IX86_BUILTIN_FMADDSD): Ditto.
1183         (IX86_BUILTIN_FMADDPS): Ditto.
1184         (IX86_BUILTIN_FMADDPD): Ditto.
1185         (IX86_BUILTIN_FMSUBSS): Ditto.
1186         (IX86_BUILTIN_FMSUBSD): Ditto.
1187         (IX86_BUILTIN_FMSUBPS): Ditto.
1188         (IX86_BUILTIN_FMSUBPD): Ditto.
1189         (IX86_BUILTIN_FNMADDSS): Ditto.
1190         (IX86_BUILTIN_FNMADDSD): Ditto.
1191         (IX86_BUILTIN_FNMADDPS): Ditto.
1192         (IX86_BUILTIN_FNMADDPD): Ditto.
1193         (IX86_BUILTIN_FNMSUBSS): Ditto.
1194         (IX86_BUILTIN_FNMSUBSD): Ditto.
1195         (IX86_BUILTIN_FNMSUBPS): Ditto.
1196         (IX86_BUILTIN_FNMSUBPD): Ditto.
1197         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
1198         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
1199         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
1200         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
1201         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
1202         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
1203         (IX86_BUILTIN_PPERM): Ditto.
1204         (IX86_BUILTIN_PERMPS): Ditto.
1205         (IX86_BUILTIN_PERMPD): Ditto.
1206         (IX86_BUILTIN_PMACSSWW): Ditto.
1207         (IX86_BUILTIN_PMACSWW): Ditto.
1208         (IX86_BUILTIN_PMACSSWD): Ditto.
1209         (IX86_BUILTIN_PMACSWD): Ditto.
1210         (IX86_BUILTIN_PMACSSDD): Ditto.
1211         (IX86_BUILTIN_PMACSDD): Ditto.
1212         (IX86_BUILTIN_PMACSSDQL): Ditto.
1213         (IX86_BUILTIN_PMACSSDQH): Ditto.
1214         (IX86_BUILTIN_PMACSDQL): Ditto.
1215         (IX86_BUILTIN_PMACSDQH): Ditto.
1216         (IX86_BUILTIN_PMADCSSWD): Ditto.
1217         (IX86_BUILTIN_PMADCSWD): Ditto.
1218         (IX86_BUILTIN_PHADDBW): Ditto.
1219         (IX86_BUILTIN_PHADDBD): Ditto.
1220         (IX86_BUILTIN_PHADDBQ): Ditto.
1221         (IX86_BUILTIN_PHADDWD): Ditto.
1222         (IX86_BUILTIN_PHADDWQ): Ditto.
1223         (IX86_BUILTIN_PHADDDQ): Ditto.
1224         (IX86_BUILTIN_PHADDUBW): Ditto.
1225         (IX86_BUILTIN_PHADDUBD): Ditto.
1226         (IX86_BUILTIN_PHADDUBQ): Ditto.
1227         (IX86_BUILTIN_PHADDUWD): Ditto.
1228         (IX86_BUILTIN_PHADDUWQ): Ditto.
1229         (IX86_BUILTIN_PHADDUDQ): Ditto.
1230         (IX86_BUILTIN_PHSUBBW): Ditto.
1231         (IX86_BUILTIN_PHSUBWD): Ditto.
1232         (IX86_BUILTIN_PHSUBDQ): Ditto.
1233         (IX86_BUILTIN_PROTB): Ditto.
1234         (IX86_BUILTIN_PROTW): Ditto.
1235         (IX86_BUILTIN_PROTD): Ditto.
1236         (IX86_BUILTIN_PROTQ): Ditto.
1237         (IX86_BUILTIN_PROTB_IMM): Ditto.
1238         (IX86_BUILTIN_PROTW_IMM): Ditto.
1239         (IX86_BUILTIN_PROTD_IMM): Ditto.
1240         (IX86_BUILTIN_PROTQ_IMM): Ditto.
1241         (IX86_BUILTIN_PSHLB): Ditto.
1242         (IX86_BUILTIN_PSHLW): Ditto.
1243         (IX86_BUILTIN_PSHLD): Ditto.
1244         (IX86_BUILTIN_PSHLQ): Ditto.
1245         (IX86_BUILTIN_PSHAB): Ditto.
1246         (IX86_BUILTIN_PSHAW): Ditto.
1247         (IX86_BUILTIN_PSHAD): Ditto.
1248         (IX86_BUILTIN_PSHAQ): Ditto.
1249         (IX86_BUILTIN_FRCZSS): Ditto.
1250         (IX86_BUILTIN_FRCZSD): Ditto.
1251         (IX86_BUILTIN_FRCZPS): Ditto.
1252         (IX86_BUILTIN_FRCZPD): Ditto.
1253         (IX86_BUILTIN_CVTPH2PS): Ditto.
1254         (IX86_BUILTIN_CVTPS2PH): Ditto.
1255         (IX86_BUILTIN_COMEQSS): Ditto.
1256         (IX86_BUILTIN_COMNESS): Ditto.
1257         (IX86_BUILTIN_COMLTSS): Ditto.
1258         (IX86_BUILTIN_COMLESS): Ditto.
1259         (IX86_BUILTIN_COMGTSS): Ditto.
1260         (IX86_BUILTIN_COMGESS): Ditto.
1261         (IX86_BUILTIN_COMUEQSS): Ditto.
1262         (IX86_BUILTIN_COMUNESS): Ditto.
1263         (IX86_BUILTIN_COMULTSS): Ditto.
1264         (IX86_BUILTIN_COMULESS): Ditto.
1265         (IX86_BUILTIN_COMUGTSS): Ditto.
1266         (IX86_BUILTIN_COMUGESS): Ditto.
1267         (IX86_BUILTIN_COMORDSS): Ditto.
1268         (IX86_BUILTIN_COMUNORDSS): Ditto.
1269         (IX86_BUILTIN_COMFALSESS): Ditto.
1270         (IX86_BUILTIN_COMTRUESS): Ditto.
1271         (IX86_BUILTIN_COMEQSD): Ditto.
1272         (IX86_BUILTIN_COMNESD): Ditto.
1273         (IX86_BUILTIN_COMLTSD): Ditto.
1274         (IX86_BUILTIN_COMLESD): Ditto.
1275         (IX86_BUILTIN_COMGTSD): Ditto.
1276         (IX86_BUILTIN_COMGESD): Ditto.
1277         (IX86_BUILTIN_COMUEQSD): Ditto.
1278         (IX86_BUILTIN_COMUNESD): Ditto.
1279         (IX86_BUILTIN_COMULTSD): Ditto.
1280         (IX86_BUILTIN_COMULESD): Ditto.
1281         (IX86_BUILTIN_COMUGTSD): Ditto.
1282         (IX86_BUILTIN_COMUGESD): Ditto.
1283         (IX86_BUILTIN_COMORDSD): Ditto.
1284         (IX86_BUILTIN_COMUNORDSD): Ditto.
1285         (IX86_BUILTIN_COMFALSESD): Ditto.
1286         (IX86_BUILTIN_COMTRUESD): Ditto.
1287         (IX86_BUILTIN_COMEQPS): Ditto.
1288         (IX86_BUILTIN_COMNEPS): Ditto.
1289         (IX86_BUILTIN_COMLTPS): Ditto.
1290         (IX86_BUILTIN_COMLEPS): Ditto.
1291         (IX86_BUILTIN_COMGTPS): Ditto.
1292         (IX86_BUILTIN_COMGEPS): Ditto.
1293         (IX86_BUILTIN_COMUEQPS): Ditto.
1294         (IX86_BUILTIN_COMUNEPS): Ditto.
1295         (IX86_BUILTIN_COMULTPS): Ditto.
1296         (IX86_BUILTIN_COMULEPS): Ditto.
1297         (IX86_BUILTIN_COMUGTPS): Ditto.
1298         (IX86_BUILTIN_COMUGEPS): Ditto.
1299         (IX86_BUILTIN_COMORDPS): Ditto.
1300         (IX86_BUILTIN_COMUNORDPS): Ditto.
1301         (IX86_BUILTIN_COMFALSEPS): Ditto.
1302         (IX86_BUILTIN_COMTRUEPS): Ditto.
1303         (IX86_BUILTIN_COMEQPD): Ditto.
1304         (IX86_BUILTIN_COMNEPD): Ditto.
1305         (IX86_BUILTIN_COMLTPD): Ditto.
1306         (IX86_BUILTIN_COMLEPD): Ditto.
1307         (IX86_BUILTIN_COMGTPD): Ditto.
1308         (IX86_BUILTIN_COMGEPD): Ditto.
1309         (IX86_BUILTIN_COMUEQPD): Ditto.
1310         (IX86_BUILTIN_COMUNEPD): Ditto.
1311         (IX86_BUILTIN_COMULTPD): Ditto.
1312         (IX86_BUILTIN_COMULEPD): Ditto.
1313         (IX86_BUILTIN_COMUGTPD): Ditto.
1314         (IX86_BUILTIN_COMUGEPD): Ditto.
1315         (IX86_BUILTIN_COMORDPD): Ditto.
1316         (IX86_BUILTIN_COMUNORDPD): Ditto.
1317         (IX86_BUILTIN_COMFALSEPD): Ditto.
1318         (IX86_BUILTIN_COMTRUEPD): Ditto.
1319         (IX86_BUILTIN_PCOMEQUB): Ditto.
1320         (IX86_BUILTIN_PCOMNEUB): Ditto.
1321         (IX86_BUILTIN_PCOMLTUB): Ditto.
1322         (IX86_BUILTIN_PCOMLEUB): Ditto.
1323         (IX86_BUILTIN_PCOMGTUB): Ditto.
1324         (IX86_BUILTIN_PCOMGEUB): Ditto.
1325         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
1326         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
1327         (IX86_BUILTIN_PCOMEQUW): Ditto.
1328         (IX86_BUILTIN_PCOMNEUW): Ditto.
1329         (IX86_BUILTIN_PCOMLTUW): Ditto.
1330         (IX86_BUILTIN_PCOMLEUW): Ditto.
1331         (IX86_BUILTIN_PCOMGTUW): Ditto.
1332         (IX86_BUILTIN_PCOMGEUW): Ditto.
1333         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
1334         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
1335         (IX86_BUILTIN_PCOMEQUD): Ditto.
1336         (IX86_BUILTIN_PCOMNEUD): Ditto.
1337         (IX86_BUILTIN_PCOMLTUD): Ditto.
1338         (IX86_BUILTIN_PCOMLEUD): Ditto.
1339         (IX86_BUILTIN_PCOMGTUD): Ditto.
1340         (IX86_BUILTIN_PCOMGEUD): Ditto.
1341         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
1342         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
1343         (IX86_BUILTIN_PCOMEQUQ): Ditto.
1344         (IX86_BUILTIN_PCOMNEUQ): Ditto.
1345         (IX86_BUILTIN_PCOMLTUQ): Ditto.
1346         (IX86_BUILTIN_PCOMLEUQ): Ditto.
1347         (IX86_BUILTIN_PCOMGTUQ): Ditto.
1348         (IX86_BUILTIN_PCOMGEUQ): Ditto.
1349         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
1350         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
1351         (IX86_BUILTIN_PCOMEQB): Ditto.
1352         (IX86_BUILTIN_PCOMNEB): Ditto.
1353         (IX86_BUILTIN_PCOMLTB): Ditto.
1354         (IX86_BUILTIN_PCOMLEB): Ditto.
1355         (IX86_BUILTIN_PCOMGTB): Ditto.
1356         (IX86_BUILTIN_PCOMGEB): Ditto.
1357         (IX86_BUILTIN_PCOMFALSEB): Ditto.
1358         (IX86_BUILTIN_PCOMTRUEB): Ditto.
1359         (IX86_BUILTIN_PCOMEQW): Ditto.
1360         (IX86_BUILTIN_PCOMNEW): Ditto.
1361         (IX86_BUILTIN_PCOMLTW): Ditto.
1362         (IX86_BUILTIN_PCOMLEW): Ditto.
1363         (IX86_BUILTIN_PCOMGTW): Ditto.
1364         (IX86_BUILTIN_PCOMGEW): Ditto.
1365         (IX86_BUILTIN_PCOMFALSEW): Ditto.
1366         (IX86_BUILTIN_PCOMTRUEW): Ditto.
1367         (IX86_BUILTIN_PCOMEQD): Ditto.
1368         (IX86_BUILTIN_PCOMNED): Ditto.
1369         (IX86_BUILTIN_PCOMLTD): Ditto.
1370         (IX86_BUILTIN_PCOMLED): Ditto.
1371         (IX86_BUILTIN_PCOMGTD): Ditto.
1372         (IX86_BUILTIN_PCOMGED): Ditto.
1373         (IX86_BUILTIN_PCOMFALSED): Ditto.
1374         (IX86_BUILTIN_PCOMTRUED): Ditto.
1375         (IX86_BUILTIN_PCOMEQQ): Ditto.
1376         (IX86_BUILTIN_PCOMNEQ): Ditto.
1377         (IX86_BUILTIN_PCOMLTQ): Ditto.
1378         (IX86_BUILTIN_PCOMLEQ): Ditto.
1379         (IX86_BUILTIN_PCOMGTQ): Ditto.
1380         (IX86_BUILTIN_PCOMGEQ): Ditto.
1381         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
1382         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
1383         (bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to
1384         OPTION_MASK_ISA_ROUND for instructions that are shared between
1385         SSE4.1 and SSE5.
1386         (bdesc_2arg): Ditto.
1387         (bdesc_sse_3arg): Ditto.
1388         (enum multi_arg_type): New enum for describing the various SSE5
1389         intrinsic argument types.
1390         (bdesc_multi_arg): New table for SSE5 intrinsics.
1391         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
1392         (ix86_expand_multi_arg_builtin): New function for creating SSE5
1393         intrinsics.
1394         (ix86_expand_builtin): Add SSE5 intrinsic support.
1395         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
1396         operand instructions.
1397         (ix86_expand_sse5_multiple_memory): New function to split the
1398         second memory reference from SSE5 instructions.
1399         (type_has_variadic_args_p): Delete in favor of stdarg_p.
1400         (ix86_return_pops_args): Use stdarg_p to determine if the function
1401         has variable arguments.
1402         (ix86_setup_incoming_varargs): Ditto.
1403         (x86_this_parameter): Ditto.
1404
1405         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
1406         declaration.
1407         (ix86_expand_sse5_pack): Ditto.
1408         (ix86_sse5_valid_op_p): Ditto.
1409         (ix86_expand_sse5_multiple_memory): Ditto.
1410
1411         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
1412         constant for SSE5 support.
1413         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
1414         (UNSPEC_SSE5_TRUEFALSE): Ditto.
1415         (UNSPEC_SSE5_PERMUTE): Ditto.
1416         (UNSPEC_SSE5_ASHIFT): Ditto.
1417         (UNSPEC_SSE5_LSHIFT): Ditto.
1418         (UNSPEC_FRCZ): Ditto.
1419         (UNSPEC_CVTPH2PS): Ditto.
1420         (UNSPEC_CVTPS2PH): Ditto.
1421         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
1422         (PCOM_TRUE): Ditto.
1423         (COM_FALSE_S): Ditto.
1424         (COM_FALSE_P): Ditto.
1425         (COM_TRUE_S): Ditto.
1426         (COM_TRUE_P): Ditto.
1427         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
1428         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
1429         types.
1430         (memory attribute): Ditto.
1431         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1432         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
1433         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1434         (floor<mode>2): Ditto.
1435         (ceil<mode>2): Ditto.
1436         (btrunc<mode>2): Ditto.
1437         (nearbyintdf2): Ditto.
1438         (nearbyintsf2): Ditto.
1439         (sse_setccsf): Disable if SSE5.
1440         (sse_setccdf): Ditto.
1441         (sse5_setcc<mode>): New support for SSE5 conditional move.
1442         (sse5_pcmov_<mode>): Ditto.
1443
1444         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
1445         (SSEMODEF4): Ditto.
1446         (SSEMODEF2P): Ditto.
1447         (ssemodesuffixf4): New mode attribute for SSE5.
1448         (ssemodesuffixf2s): Ditto.
1449         (ssemodesuffixf2c): Ditto.
1450         (sserotatemax): Ditto.
1451         (ssescalarmode): Ditto.
1452         (sse_maskcmpv4sf3): Disable if SSE5.
1453         (sse_maskcmpv2df3): Ditto.
1454         (sse_vmmaskcmpv4sf3): Ditto.
1455         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
1456         instructions.
1457         (sse5_vmfmadd<mode>4): Ditto.
1458         (sse5_fmsub<mode>4): Ditto.
1459         (sse5_vmfmsub<mode>4): Ditto.
1460         (sse5_fnmadd<mode>4): Ditto.
1461         (sse5_vmfnmadd<mode>4): Ditto.
1462         (sse5_fnmsub<mode>4): Ditto.
1463         (sse5_vmfnmsub<mode>4): Ditto.
1464         (sse5i_fmadd<mode>4): Ditto.
1465         (sse5i_fmsub<mode>4): Ditto.
1466         (sse5i_fnmadd<mode>4): Ditto.
1467         (sse5i_fnmsub<mode>4): Ditto.
1468         (sse5i_vmfmadd<mode>4): Ditto.
1469         (sse5i_vmfmsub<mode>4): Ditto.
1470         (sse5i_vmfnmadd<mode>4): Ditto.
1471         (sse5i_vmfnmsub<mode>4): Ditto.
1472         (mulv16qi3): Add SSE5 support.
1473         (mulv4si3): Ditto.
1474         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
1475         (sse2_mulv4si3): Disable if SSE5.
1476         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
1477         (sse4_1_roundps): Ditto.
1478         (sse4_1_roundsd): Ditto.
1479         (sse4_1_roundss): Ditto.
1480         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
1481         be generated.
1482         (sse_maskcmpsf3): Ditto.
1483         (sse_vmmaskcmpv4sf3): Ditto.
1484         (sse2_maskcmpv2df3): Ditto.
1485         (sse2_maskcmpdf3): Ditto.
1486         (sse2_vmmaskcmpv2df3): Ditto.
1487         (sse2_eq<mode>3): Ditto.
1488         (sse2_gt<mode>3): Ditto.
1489         (sse5_pcmov_<mode>): Add SSE5 support.
1490         (vec_unpacku_hi_v16qi): Ditto.
1491         (vec_unpacks_hi_v16qi): Ditto.
1492         (vec_unpacku_lo_v16qi): Ditto.
1493         (vec_unpacks_lo_v16qi): Ditto.
1494         (vec_unpacku_hi_v8hi): Ditto.
1495         (vec_unpacks_hi_v8hi): Ditto.
1496         (vec_unpacku_lo_v8hi): Ditto.
1497         (vec_unpacks_lo_v8hi): Ditto.
1498         (vec_unpacku_hi_v4si): Ditto.
1499         (vec_unpacks_hi_v4si): Ditto.
1500         (vec_unpacku_lo_v4si): Ditto.
1501         (vec_unpacks_lo_v4si): Ditto.
1502         (sse5_pmacsww): New SSE5 intrinsic insn.
1503         (sse5_pmacssww): Ditto.
1504         (sse5_pmacsdd): Ditto.
1505         (sse5_pmacssdd): Ditto.
1506         (sse5_pmacssdql): Ditto.
1507         (sse5_pmacssdqh): Ditto.
1508         (sse5_pmacsdqh): Ditto.
1509         (sse5_pmacsswd): Ditto.
1510         (sse5_pmacswd): Ditto.
1511         (sse5_pmadcsswd): Ditto.
1512         (sse5_pmadcswd): Ditto.
1513         (sse5_pcmov_<move>): Conditional move support on SSE5.
1514         (sse5_phaddbw): New SSE5 intrinsic insn.
1515         (sse5_phaddbd): Ditto.
1516         (sse5_phaddbq): Ditto.
1517         (sse5_phaddwd): Ditto.
1518         (sse5_phaddwq): Ditto.
1519         (sse5_phadddq): Ditto.
1520         (sse5_phaddubw): Ditto.
1521         (sse5_phaddubd): Ditto.
1522         (sse5_phaddubq): Ditto.
1523         (sse5_phadduwd): Ditto.
1524         (sse5_phadduwq): Ditto.
1525         (sse5_phaddudq): Ditto.
1526         (sse5_phsubbw): Ditto.
1527         (sse5_phsubwd): Ditto.
1528         (sse5_phsubdq): Ditto.
1529         (sse5_pperm): Ditto.
1530         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
1531         (sse5_pperm_zero_v16qi_v8hi): Ditto.
1532         (sse5_pperm_sign_v8hi_v4si): Ditto.
1533         (sse5_pperm_zero_v8hi_v4si): Ditto.
1534         (sse5_pperm_sign_v4si_v2di): Ditto.
1535         (sse5_pperm_sign_v4si_v2di): Ditto.
1536         (sse5_pperm_pack_v2di_v4si): Ditto.
1537         (sse5_pperm_pack_v4si_v8hi): Ditto.
1538         (sse5_pperm_pack_v8hi_v16qi): Ditto.
1539         (sse5_perm<mode>): New SSE5 intrinsic insn.
1540         (rotl<mode>3): Ditto.
1541         (sse5_rotl<mode>3): Ditto.
1542         (sse5_ashl<mode>3): Ditto.
1543         (sse5_lshl<mode>3): Ditto.
1544         (sse5_frcz<mode>2): Ditto.
1545         (sse5s_frcz<mode>2): Ditto.
1546         (sse5_cvtph2ps): Ditto.
1547         (sse5_cvtps2ph): Ditto.
1548         (sse5_vmmaskcmp<mode>3): Ditto.
1549         (sse5_com_tf<mode>3): Ditto.
1550         (sse5_maskcmp<mode>3): Ditto.
1551         (sse5_maskcmp_uns<mode>3): Ditto.
1552         (sse5_maskcmp_uns2<mode>3): Ditto.
1553         (sse5_pcom_tf<mode>3): Ditto.
1554
1555         * config/i386/predicates.md (const_0_to_31_operand): New predicate
1556         to match 0..31.
1557         (sse5_comparison_float_operator): New predicate to match the
1558         comparison operators supported by the SSE5 com instruction.
1559         (ix86_comparison_int_operator): New predicate to match just the
1560         signed int comparisons.
1561         (ix86_comparison_uns_operator): New predicate to match just the
1562         unsigned int comparisons.
1563
1564         * doc/invoke.texi (-msse5): Add documentation.
1565         (-mfused-madd): Ditto.
1566
1567         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
1568
1569         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
1570         mmintrin-common.h.
1571         (x86_64-*-*): Ditto.
1572
1573         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
1574
1575         * config/i386/bmmintrin.h: New file, provide common x86 compiler
1576         intrinisics for SSE5.
1577
1578         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
1579         mmintrin-common.h.
1580
1581         * config/i386/mmintrin-common.h: New file, to contain common
1582         instructions between SSE4.1 and SSE5.
1583
1584         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
1585         FOREACH_FUNCTION_ARGS to iterate over the argument list.
1586         (gen_regparm_prefix): Ditto.
1587
1588         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
1589         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
1590         prototype_p to determine if a function is prototyped.
1591
1592 2007-09-12  Janis Johnson  <janis187@us.ibm.com>
1593
1594         * config/dfp-bit.c (dfp_conversion_exception): New function.
1595         (DFP_TO_DFP) Add new variants to use direct conversions in decNumber.
1596         (DFP_TO_INT): Ditto.
1597         (INT_TO_DFP): Ditto.
1598         * config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New.
1599
1600 2007-09-12  Jakub Jelinek  <jakub@redhat.com>
1601
1602         PR target/32338
1603         * config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage
1604         before sp restoration even when total_size is 0, but
1605         frame_pointer_needed.
1606
1607 2007-09-12  Bob Wilson  <bob.wilson@acm.org>
1608
1609         * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
1610         (xtensa_copy_incoming_a7): Use start_sequence instead of
1611         push_to_sequence.  Stash insns in vararg_a7_copy for builtin_saveregs.
1612         (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
1613         of the saveregs sequence.
1614
1615 2007-09-12  Richard Sandiford  <richard@codesourcery.com>
1616
1617         * c-tree.h (grokfield): Add a "tree *" argument.
1618         * c-decl.c (grokdeclarator): Take a pointer to the decl's attributes.
1619         Chain nested decl attributes to it.  Don't call decl_attributes here.
1620         (groktypename): Pass grokdeclarator a pointer to the attribute list.
1621         (start_decl, grokparm, push_parm_decl, start_function): Likewise.
1622         (grokfield): Take a pointer to the decl's attributes and pass
1623         it to grokdeclarator.
1624         * c-parser.c (c_parser_struct_declaration): Update the calls to
1625         grokfield.  Call decl_attributes for anonymous struct and union
1626         fields.
1627
1628 2007-09-12  Jan Hubicka  <jh@suse.cz>
1629
1630         * c-objc-common.h (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Kill.
1631
1632 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1633
1634         PR tree-optimization/32377
1635         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish
1636         between positive and negative dependence distance using DDR_REVERSED_P.
1637
1638 2007-09-12  Dorit Nuzman  <dorit@il.ibm.com>
1639
1640         PR tree-optimization/33373
1641         * tree-vect-analyze (vect_determine_vectorization_factor): Call
1642         TREE_INT_CST_LOW when comparing TYPE_SIZE_UNIT.
1643
1644 2007-09-12  Jan Hubicka  <jh@suse.cz>
1645
1646         PR target/33393
1647         * i386.md (floatsisf2_mixed_memory, floatsisf2_sse_memory): Disable
1648         for !SSE_MATH
1649
1650 2007-09-12  Christian Bruel  <christian.bruel@st.com>
1651
1652         * sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs.
1653         * linux-unwind.h (SH_DWARF_FRAME_GBR): fixed.
1654
1655 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1656
1657         * tree-vect-transform.c (vect_get_slp_defs): Don't build a vector
1658         for oprnd1 if not required.
1659         (vectorizable_operation): Use scalar operand in SLP in case of
1660         shift with scalar argument.
1661
1662 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1663
1664         * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and minimum
1665         to 1.
1666
1667 2007-09-11  James E. Wilson  <wilson@specifix.com>
1668
1669         * defaults.h (DWARF2_UNWIND_INFO): Don't define if
1670         TARGET_UNWIND_INFO is defined.
1671         * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef
1672         after definition.
1673
1674 2007-09-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1675
1676         * config/sh/sh.c (calc_live_regs): Use
1677         current_function_saves_all_registers instead of
1678         current_function_has_nonlocal_label.
1679         (sh_allocate_initial_value): Likewise.
1680         (sh_get_pr_initial_val): Likewise.
1681         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise.
1682         * config/sh/sh.md (load_ra): Likewise.
1683
1684 2007-09-12  Hans-Peter Nilsson  <hp@axis.com>
1685
1686         * config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc.
1687
1688         PR target/33360
1689         * config/cris/cris.c (cris_expand_pic_call_address): Fix typo in
1690         GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation.
1691
1692 2007-09-12  Sa Liu  <saliu@de.ibm.com>
1693
1694         * config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as
1695         operands to DFmode GE or LE compares.
1696
1697 2007-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1698
1699         * config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
1700         REG_CLASS_NAMES): Add P0REGS.
1701         (REGNO_REG_CLASS): Return it where appropriate.
1702         (REG_CLASS_FROM_CONSTRAINT): Add 'qA'.
1703         (CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
1704         * doc/md.texi (Blackfin family): Document 'q' constraints.
1705
1706 2007-09-11  Steve Kenton  <skenton@ou.edu>
1707
1708         * pa/linux-unwind.h: Guard with inhibit_libc.
1709         * pa/hpux-unwind.h: Likewise.
1710
1711 2007-09-11  David Daney  <ddaney@avtrex.com>
1712
1713         * doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options.
1714         * doc/install.texi: Document new --with-llsc and --without-llsc
1715         options.
1716         * config.gcc: Handle --with-llsc and --without-llsc configure options.
1717         * config/mips/mips.md (sync, memory_barrier): Wrap sync instrunction
1718         in %| and %- operand codes.  Depend on GENERATE_SYNC instead of
1719         ISA_HAS_SYNC.
1720         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
1721         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
1722         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
1723         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1724         sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on
1725         GENERATE_LL_SC instead of ISA_HAS_LL_SC.
1726         * config/mips/mips.opt (mllsc): New option.
1727         * config/mips/mips.c (mips_llsc): Define variable.
1728         (mips_handle_option): Handle mllsc option.
1729         (override_options): Set mips_print_operand_punct for '|' and '-'.
1730         (print_operand): Add new %| and %- operand codes.
1731         * config/mips/mips.h (mips_llsc_setting): New enum type.
1732         (mips_llsc): Declare.
1733         (OPTION_DEFAULT_SPECS): Add llsc handling.
1734         (GENERATE_SYNC): New macro.
1735         (GENERATE_LL_SC): New macro.
1736         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
1737         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
1738         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Wrap instructions
1739         in %| and %- operand codes.
1740
1741 2007-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1742
1743         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with
1744         TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P.
1745
1746 2007-09-11  Jason Merrill  <jason@redhat.com>
1747
1748         PR middle-end/27945
1749         * stor-layout.c (layout_decl): Do pack variable size fields.
1750
1751 2007-09-11  Maxim Kuvyrkov  <maxim@codesourcery.com>
1752
1753         * config/m68k/predicates.md (movsi_const0_operand,
1754         non_symbolic_call_operand): New predicates.
1755
1756         * config/m68k/constraints.md (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac):
1757         New constraints.
1758         * doc/md.texi (Constraints for Particular Machines: Motorola 680x0):
1759         Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ,
1760         CW, CZ, CS, Ap and Ac.
1761
1762         * config/m68k/m68k.md (UNSPEC_IB): New constant.
1763         (constraints.md): New include.
1764         (cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access,
1765         opx_mem, opy_mem, op_mem, guess, split): New attributes.
1766         (movdf_internal): Name pattern.  Fix to use alternatives.  Add split.
1767         Specify attributes.
1768         (pushdi): Add split.
1769         (tstsi_internal): Name pattern.  Fix to use alternatives.  Specify
1770         attributes.  Split tstsi_internal_68020_cf from it.
1771         (tstsi_internal_68020_cf): New pattern.
1772         (tsthi_internal, tstqi_internal): Name pattern.  Specify attributes.
1773         (tst<mode>_cf): Specify attributea.
1774         (cmpsi_cf): Name pattern.  Specify attributes.
1775         (cmp<mode>_68881, cmp<mode>_cf): Specify type attribute.
1776         (pushexthisi_const): Fix to use alternatives.  Specify
1777         attributes.
1778         (movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60
1779         from it.  Fix to use alternatives.  Specify attributes.
1780         (movsi_const0_68040_10, movsi_const0_68040_60): New patterns.
1781         (movsi_cf, movstrictqi_cf): Fix to use alternatives.  Specify
1782         attributes.
1783         (movsf_cf_soft): Specify attributes.
1784         (movdf_cf_soft): Add split.
1785         (pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4,
1786         cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2,
1787         68k_extendqisi2, truncdfsf2_cf): Specify attributes.
1788         (truncdfsf2_68881): Name pattern.  Specify attributes.
1789         (floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf,
1790         floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf,
1791         fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32):
1792         Specify attributes.
1793         (addsi3_5200): Fix to use alternatives.  Specify attributes.
1794         Add splits.
1795         (add<mode>3_cf, subdi_dishl32): Specify attributes.
1796         (subsi3): Add alternative for subq.l.  Specify attributes.
1797         (sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes.
1798         (mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern.  Specify
1799         attributes.
1800         (umulhisi3): Specify attributes.
1801         (mulhisisi3_z): Name pattern.  Specify attributes.
1802         (fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200,
1803         sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32,
1804         subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3,
1805         bsetmemqi): Specify attributes.
1806         (bsetmemqi_ext): Name pattern.  Specify attributes.
1807         (bclrmemqi): Specify attributes.
1808         (bclrmemqi_ext, scc, sls): Name pattern.  Specify attributes.
1809         (beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify
1810         attributes.
1811         (beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name
1812         pattern.  Specify attributes.
1813         (jump): Specify attributes.
1814         (tablejump_internal): Name pattern.  Specify attributes.
1815         (call_value): Split into non_symbolic_call_value,
1816         symbolic_call_value_jsr, symbolic_call_value_bsr.  Fix to use
1817         alternatives.  Specify attributes.
1818         (non_symbolic_call_value, symbolic_call_value_jsr,
1819         symbolic_call_value_bsr): New patterns.
1820         (nop, return, unlink, indirect_jump): Specify attributes.
1821         (trap): Fix condition.  Specify attributes.
1822         (ib): New pattern.
1823
1824         * config/m68k/m68k.c (m68k_symbolic_call_var): New variable.
1825         (override_options): Initialize it.  Initialize m68k_sched_cpu.
1826         (CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h.
1827         (const_method): Make global, rename to m68k_const_method.
1828         (const_int_cost, output_move_const_into_data_reg): Update.
1829         (output_move_double): Parametrize to emit rtl code, rename to
1830         handle_move_double.
1831         (output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi,
1832         emit_movsi): New static functions.
1833         (output_move_double): New function with semantics of old
1834         output_move_double.
1835         (m68k_emit_move_double): New function.
1836         (m68k_sched_cpu): New variable.
1837         (attr_op_type): New enum.
1838         (sched_guess_p): New variable.
1839         (sched_address_type, sched_operand_type, sched_attr_op_type):
1840         New static functions.
1841         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1842         m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions.
1843         (sched_branch_type): New static variable.
1844         (m68k_sched_branch_type): New function.
1845         * config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum.
1846         (m68k_symbolic_call_var): Declare.
1847         (M68K_CONST_METHOD): Rename from CONST_METHOD.  Move here from m68k.c.
1848         (m68k_const_method, m68k_emit_move_double, m68k_sched_cpu,
1849         m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1850         m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type):
1851         Declare.
1852
1853 2007-09-11  Jakub Jelinek  <jakub@redhat.com>
1854
1855         * builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
1856         * builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
1857         error if __builtin_va_arg_pack_len () wasn't optimized out during
1858         inlining.
1859         * tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
1860         with the number of inline's anonymous arguments.
1861         * doc/extend.texi: Document __builtin_va_arg_pack_len ().
1862
1863 2007-09-11  Zdenek Dvorak  <ook@ucw.cz>
1864
1865         * fold-const.c (extract_muldiv_1): Do not simplify
1866         var * c * c to var.
1867
1868 2007-09-11  Jan Hubicka <jh@suse.cz>
1869
1870         * i386.h (ix86_tune_indices): Add X86_TUNE_INTER_UNIT_CONVERSIONS.
1871         (TARGET_INTER_UNIT_CONVERSIONS): New.
1872         * i386.md (floatsi expanders): Remove redundant check for SImode
1873         source; offload to memory when asked for.
1874         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse
1875         floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1876         Update conditions;
1877         (floatsisf2_mixed_memory, floatsisf2_sse_memory,
1878         floatsidf2_mixed_memory, floatsidf2_sse_memory
1879         floatdisf2_mixed_memory, floatsisf2_sse_memory,
1880         floatsidf2_mixed_memory, floatsidf2_sse_memory): New.
1881
1882 2007-09-11  Jan Hubicka <jh@suse.cz>
1883
1884         * toplev.c (process_options): all frontends now do unit-at-a-time.
1885         * cgraphunit.c: update comments.
1886         (cgraph_expand_function): call passmanager dirrectly; emit thunks.
1887         * c-decl.c (finish_function): use cgraph_add_new_function.
1888         * function.c (expand_function_end): We are always unit-at-a-time.
1889
1890 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1891
1892         * config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
1893         settings for MIPS16.
1894         (mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.
1895
1896 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1897
1898         * config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of
1899         SYMBOL_FORCE_TO_MEM constants.
1900         (mips_rtx_costs): Give a cost of 1 to force_to_mem_operands.
1901         (mips16_rewrite_pool_refs_info): New structure.
1902         (mips16_rewrite_pool_constant): New function, split out from...
1903         (mips16_rewrite_pool_refs): ...here.  Take a pointer to a
1904         mips16_rewrite_pool_refs_info structure rather than a pointer
1905         to a constant pool.  Force force_to_mem_operands into memory.
1906         (mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs.
1907         * config/mips/predicates.md (force_to_mem_operand): New predicate.
1908         * config/mips/constraints.md (kf): New constraint.
1909         * config/mips/mips.md (*movdi_64bit_mips16): Add a d <- kf alternative.
1910         (*movsi_mips16): Likewise.
1911
1912 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1913             Nigel Stephens  <nigel@mips.com>
1914             David Ung  <davidu@mips.com>
1915
1916         * config/mips/mips.h (CONSTANT_POOL_COST): Move to...
1917         * config/mips/mips.c: ...here and set to 4 for TARGET_MIPS16.
1918         (mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost)
1919         (mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost)
1920         (mips_zero_extend_cost): New functions.
1921         (mips_rtx_costs): Treat COMPARE constants as having zero cost.
1922         Use the new functions.  Tweak many cost estimates, both here
1923         and in the new subroutines.  Return false when the cost of the
1924         operands has not been calculated.  Check for *clear_upper32.
1925         Check for floating-point multiply-add, reciprocal and rsqrt
1926         patterns.  Handle comparison and rotation codes.
1927
1928 2007-09-11  Danny Smith  <dannysmith@users.sourceforge.net>
1929
1930         * config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't
1931         override default.
1932         * config/i386/i386.c (get_dllimport_decl): Don't strip
1933         FASTCALL_PREFIX.
1934
1935 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1936
1937         PR c/30013
1938         * config/dfp-bit.c: Don't skip TFmode conversions; move strto*
1939         declarations to top.
1940         (DFP_TO_BFP): Use for either XFmode or TFmode.
1941         (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast
1942         of BFP_VIA_TYPE.
1943         * config/dfp-bit.h: Include float.h.
1944         (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long
1945         double is one of these modes, rather than using LIBGCC_HAS_*F_MODE
1946         which doesn't mean the same thing.
1947         (BFP_KIND): Use 4 to mean TFmode.
1948         (BFP_FMT): Specify the number of decimal digits based on the
1949         number of mantissa digits.
1950         (BFP_VIA_TYPE): Binary float type to use as cast for sprintf.
1951         (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants.
1952         (STR_TO_BFP): Use strtold for XFmode or TFmode.
1953         (TFtype): Define if TFmode is supported.
1954         * doc/libgcc.texi (Decimal float library routines): Document
1955         TF conversion functions.
1956
1957 2007-09-10  Chao-ying Fu  <fu@mips.com>
1958
1959         * config/mips/mips.c (mips_scalar_mode_supported_p): Declare.
1960         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1961         (mips_emit_compare): Process fixed-point modes.
1962         (mips_pad_arg_upward): Support fixed-point types.
1963         (override_options): Allow fixed-point modes in accumulators.
1964         (mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers.
1965         (mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode,
1966         V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP.
1967         (mips_scalar_mode_supported_p): New function to accept fixed-point
1968         modes if the width is not greater than two BITS_PER_WORD.
1969         * config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
1970         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
1971         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
1972         LONG_LONG_ACCUM_TYPE_SIZE): Define.
1973         * config/mips/mips.md ("d"): Update mode attribute for fixed-point
1974         modes.
1975         ("IMODE"): New mode attribute.
1976         (mips-fixed.md): Include.
1977         * config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT,
1978         ACCUM, UACCUM.
1979         * config/mips/mips-fixed.md: New file.
1980
1981 2007-09-11  Ben Elliston  <bje@au.ibm.com>
1982
1983         * config/spu/spu.md: Formatting fixes.
1984
1985 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1986
1987         * config/dfp-bit.c (dfp_unary_func): Delete.
1988         (dfp_unary_op): Delete.
1989         (dfp_binary_op): Use decFloat functions instead of decNumber
1990         functions for binary operations.
1991         (d32_binary_op): Convert 32-bit operands to 64 bits for evaluation.
1992         (dnn_binary_op): Call dfp_binary_op with decFloat rather than
1993         DFP_C_TYPE.
1994         (dfp_compare_op): Use decFloat functions insteadof decNumber
1995         functions for comparisons.
1996         (d32_compare_op): Convert 32-bit operands to 64 bits for evaluation.
1997         (dnn_binary_op): Call dfp_compare_op with decFloat rather than
1998         DFP_C_TYPE.
1999         (DFP_ADD, DFP_SUB, DFP_MULTIPLE, DFP_DIVIDE): Use macros for
2000         call to dxx_binary_op and decFloat function.
2001         (DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for
2002         calls to dxx_binary_op and decFloat function.
2003         * config/dfp-bit.h: Include decFloat header files.
2004         (decFloat, DFP_BINARY_OP, DFP_COMPARE_OP, DEC_FLOAT_ADD,
2005         DEC_FLOAT_SUBTRACT, DEC_FLOAT_MULTIPLY, DEC_FLOAT_DIVIDE,
2006         DEC_FLOAT_COMPARE, DEC_FLOAT_IS_ZERO, DEC_FLOAT_IS_NAN,
2007         DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths.
2008
2009 2007-09-10  Harsha Jagasia <harsha.jagasia@amd.com>
2010             Jan Sjodin <jan.sjodin@amd.com>
2011
2012         * tree-vect-analyze.c (vect_analyze_operations): Change
2013         comparison of loop iterations with threshold to less than
2014         or equal to instead of less than. Reduce
2015         min_scalar_loop_bound by one.
2016         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2017         Change prologue and epilogue iterations estimate to vf/2,
2018         when unknown at compile-time. Change versioning guard
2019         cost to taken_branch_cost. If peeling for alignment is
2020         unknown at compile-time, change peel guard costs to one
2021         taken branch and one not-taken branch per peeled loop.
2022         If peeling for alignment is known but number of scalar loop
2023         iterations is unknown at compile-time, change peel guard
2024         costs to one taken branch per peeled loop. Change the cost
2025         model equation to consider vector iterations as the loop
2026         iterations less the prologue and epilogue iterations.
2027         Change outside vector cost check to less than or equal to
2028         zero instead of equal to zero.
2029         (vect_do_peeling_for_loop_bound): Reduce
2030         min_scalar_loop_bound by one.
2031         * tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and
2032         TARG_COND_NOT_TAKEN_BRANCH_COST.
2033         * config/i386/i386.h (processor_costs): Add
2034         scalar_stmt_cost, scalar_load_cost, scalar_store_cost,
2035         vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost,
2036         vec_align_load_cost, vect_unalign_load_cost,
2037         vec_store_cost, cond_taken_branch_cost,
2038         cond_not_taken_branch_cost.
2039         Define macros for x86 costs.
2040         * config/i386/i386.c:
2041         (size_cost): Set scalar_stmt_cost, scalar_load_cost,
2042         scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
2043         scalar_to_vec_cost, vec_align_load_cost,
2044         vect_unalign_load_cost, vec_store_cost,
2045         cond_taken_branch_cost, cond_not_taken_branch_cost to one.
2046         (i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2047         geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost,
2048         core2_cost, generic64_cost, generic32_cost): Set to default
2049         untuned costs.
2050         (k8_cost, amdfam10_cost): Costs for vectorization tuned.
2051         (x86_builtin_vectorization_cost): New.
2052
2053 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
2054             Ben Elliston  <bje@au.ibm.com>
2055
2056         * dfp.c: Include decimal128Local.h;
2057         (dfp_byte_swap): Remove.
2058         (encode_decimal32, decode_decimal32): Don't handle endianness.
2059         (encode_decimal64, decode_decimal64): Ditto.
2060         (encode_decimal128, decode_decimal128): Ditto.
2061         * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto.
2062         (__swap64): Remove.
2063         (host_to_ieee_64, ieee_to_host_64): Don't handle endianness.
2064         (__swap128): Remove
2065         (host_to_ieee_128, ieee_to_host_128): Don't handle endianness.
2066         * Makefile.in (DECNUM_H): Add decimal128Local.h.
2067
2068 2007-09-10  David Daney  <ddaney@avtrex.com>
2069
2070         * config/mips/mips.md (UNSPEC_MEMORY_BARRIER): New entry in
2071         define_constants.
2072         (memory_barrier): Rewrote as an insn that clobbers memory.
2073
2074 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
2075
2076         * config/mips/mips.c (mips_global_pointer): Check
2077         call_really_used_regs instead of call_used_regs.
2078         (mips_save_reg_p): Likewise.  Save all call-saved registers
2079         if current_function_saves_all_registers.  Fix indentation.
2080         No longer treat $18 as a special case.
2081         (compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT.
2082
2083 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
2084
2085         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro.
2086         * config/mips/mips.c (mips_cpu_info_table): Mention it in the
2087         the introductory comment.
2088         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
2089         (override_options): Don't test for it.
2090         * config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
2091         (DRIVER_SELF_SPECS): Add MIPS_ARCH_FLOAT_SPEC.
2092         * config/mips/vr.h: As for config/mips/sde.h.
2093
2094 2007-09-10  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2095             Revital Eres  <eres@il.ibm.com>
2096
2097         * target.h (struct gcc_target.sched): New field: sms_res_mii.
2098         (struct ddg): Define.
2099         * target-def.h (TARGET_SCHED_SMS_RES_MII): Define.
2100         (TARGET_SCHED): Add TARGET_SCHED_SMS_RES_MII.
2101         * config/spu/spu.c: Include ddg.h.
2102         (TARGET_SCHED_SMS_RES_MII): Define.
2103         (spu_sms_res_mii): New function to calculate mii.
2104         * modulo-sched (res_MII): Use it.
2105         * doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII.
2106
2107 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2108
2109         * config/s390/s390.c (s390_dump_pool): Create copy of constant
2110         pool entries since they might hold values that must not be shared.
2111
2112 2007-09-10  Uros Bizjak  <ubizjak@gmail.com>
2113
2114         PR target/33369
2115         * gcc/config/i386/sse.md (ashr<mode>3): Change op2 mode to SImode.
2116         Use 'N' operand constraint for op2.
2117         (lshr<mode>3): Ditto.
2118         (ashl<mode>3): Ditto.
2119         (vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2.
2120         (vec_shr_<mode>): Ditto.
2121         * gcc/config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128,
2122         IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode.
2123
2124 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2125
2126         * config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"):
2127         Change mode macro in the last real_2expN parameter to uppercase.
2128
2129 2007-09-10  Michael Matz  <matz@suse.de>
2130
2131         * tree-pass.h (pass_cselim): Declare new pass.
2132         * passes.c (init_optimization_passes): Link in pass_cselim.
2133         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
2134         tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
2135         cond_store_replacement.
2136         (condstoretemp): New static variable.
2137         (cond_store_replacement): New function.
2138         (tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
2139         tree_ssa_phiopt_worker.
2140         (struct name_to_bb): New.
2141         (get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
2142         nt_init_block, nt_fini_block): New static functions.
2143         (seen_ssa_names, nontrap_set): New static variables.
2144         (gate_cselim, pass_cselim): Define new pass.
2145         * common.opt (ftree-cselim): New flag.
2146         * toplev.c (process_options): Set flag_tree_cselim if required.
2147
2148 2007-09-10  Hans-Peter Nilsson  <hp@axis.com>
2149
2150         * simplify-rtx.c (simplify_relational_operation_1): For recent
2151         canonicalization, don't recurse if op1 equals both PLUS arguments.
2152
2153 2007-09-09  David Daney  <ddaney@avtrex.com>
2154
2155         * optabs.c (expand_sync_operation):  Use plus insn if minus
2156         CONST_INT_P(val).
2157         (expand_sync_fetch_operation):  Ditto.
2158
2159 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2160
2161         * i386.md (*floatsisf2_mixed_vector): Use cvtdq2ps instead
2162         of cvtpq2ps.
2163         (*floatsisf2_sse_vector): Likewise.
2164
2165 2007-09-09  Krister Walfridsson  <cato@df.lth.se>
2166
2167         * config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2168
2169 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2170
2171         * config/i386/i386.h (ix86_tune_indices): Rename
2172         X86_USE_VECTOR_CONVERTS to X86_TUNE_USE_VECTOR_CONVERTS.
2173         (TARGET_USE_VECTOR_CONVERTS): Updated.
2174         * config/i386/i386.c: Likewise.
2175
2176 2007-09-09  Sandra Loosemore  <sandra@codesourcery.com>
2177             Nigel Stephens <nigel@mips.com>
2178
2179         * doc/invoke.texi (Overall Options):  Add .sx file extension
2180         as a synonym for .S.
2181         * cppspec.c (known_suffixes): Likewise.
2182         * gcc.c (default_compilers): Likewise.
2183
2184 2007-09-09  Rask Ingemann Lambertsen  <rask@sygehus.dk>
2185
2186         PR target/30315
2187         * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
2188         * simplify-rtx.c (simplify_relational_operation_1): Add the
2189         canonicalization from i386.h.
2190         * doc/md.texi (Canonicalization of Instructions): Document it.
2191
2192 2007-09-09  Jan Hubicka  <jh@suse.cz>
2193             Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2194
2195         * i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
2196         (TARGET_USE_VECTOR_CONVERTS): New.
2197         * i386.md: New post-reload splitters for converting SF to DF and DF to
2198         SF.
2199         (floatsi* expander): Special case vector conversions.
2200         (floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
2201         floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
2202         floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
2203         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
2204         Disable when doing vector converts.
2205         (floatsi<mode>2_i387): Disable when
2206         * sse.md (vec_dupv2df): Export.
2207         * i386.c (ix86_tune_features): Enable SSE conversions.
2208
2209 2007-09-09  Richard Guenther  <rguenther@suse.de>
2210
2211         * tree-ssa-operands.c (add_virtual_operand): Only mark
2212         stores as has_volatile_ops if alias information is not available.
2213
2214 2007-09-09  Revital Eres  <eres@il.ibm.com>
2215
2216         * doc/contrib.texi: Add myself.
2217
2218 2007-09-09  Ira Rosen  <irar@il.ibm.com>
2219
2220         * tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
2221         stmt_vinfo_set_outside_of_loop_cost): New functions.
2222         * tree-vect-transform.c (vect_get_cost_fields): Remove.
2223         (vect_model_simple_cost): Call
2224         stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
2225         field instead of calling vect_get_cost_fields.
2226         (vect_model_store_cost, vect_model_load_cost): Likewise.
2227
2228 2007-09-09  Revital Eres  <eres@il.ibm.com>
2229
2230         * config/rs6000/rs6000.c (paired_init_builtins): Add const
2231         declaration to bdesc_paired_preds variable.
2232         (paired_expand_builtin): Likewise.
2233
2234 2007-09-09  Revital Eres  <eres@il.ibm.com>
2235
2236         * dbgcnt.def (sms_sched_loop): New counter.
2237         * modulo-sched.c: Use sms_sched_loop instead of
2238         MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to
2239         perform swing modulo scheduling on.  Include dbgcnt.h.
2240         * Makefile.in: Add DBGCNT_H to modulo-sched.o.
2241         * params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER.
2242
2243 2007-09-09  Uros Bizjak  <ubizjak@gmail.com>
2244
2245         * config/i386/i386.md (X87MODEF12, SSEMODEF): Remove mode iterators.
2246         Substitute all uses with ...
2247         (MODEF): New mode iterator.
2248
2249         (fix_trunc<mode>_fisttp_i387_1): Remove operand constraints
2250         from pre-regalloc define_insn_and_split splitter pattern.
2251         (*fix_trunc<mode>_i387_1): Ditto.
2252         (*fistdi2_1): Ditto.
2253         (*fist<mode>2_1): Ditto.
2254         (frndintxf2_floor): Ditto.
2255         (*fist<mode>2_floor_1): Ditto.
2256         (frndintxf2_ceil): Ditto.
2257         (*fist<mode>2_ceil_1): Ditto.
2258         (frndintxf2_trunc): Ditto.
2259         (frndintxf2_mask_pm): Ditto.
2260
2261         (prologue): Use (const_int 0) as never generated filler insn.
2262         (epilogue): Ditto.
2263         (sibcall_epilogue): Ditto.
2264         (eh_return_si): Ditto.
2265         (eh_return_di): Ditto.
2266
2267         (add<mode>3): Rename from adddf3 and addsf3.  Macroize expander
2268         using MODEF mode iterator.
2269         (sub<mode>3): Rename from subdf3 and subsf3.  Macroize expander
2270         using MODEF mode iterator.
2271         (mul<mode>3): Rename from muldf3 and mulsf3.  Macroize expander
2272         using MODEF mode iterator.
2273         (nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
2274         Macroize expander using MODEF mode iterator.
2275
2276         (zero_extendsidi2): Remove operand constraints from expander.
2277         (smuldi3_highpart): Ditto.
2278         (indirect_jump): Ditto.
2279         (tablejump): Ditto.
2280         (rsqrtsf2): Ditto.
2281         * config/i386/sse.md (storentv4sf): Ditto.
2282         (storentv2df): Ditto.
2283         (storentv2di): Ditto.
2284         (storentsi): Ditto.
2285         (sse2_cvtpd2ps): Ditto.
2286         (vec_interleave_highv16qi): Ditto.
2287         (vec_interleave_lowv16qi): Ditto.
2288         (vec_interleave_highv8hi): Ditto.
2289         (vec_interleave_lowv8hi): Ditto.
2290         (vec_interleave_highv4si): Ditto.
2291         (vec_interleave_lowv4si): Ditto.
2292         (vec_interleave_highv2di): Ditto.
2293         (vec_interleave_lowv2di): Ditto.
2294         (sse2_maskmovdqu): Ditto.
2295         * config/i386/mmx.md (mmx_maskmovq): Ditto.
2296
2297 2007-09-09  Ira Rosen  <irar@il.ibm.com>
2298
2299         * tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
2300         (struct _slp_tree, struct _slp_instance): Define new data structures
2301         along macros for their access.
2302         (struct _loop_vec_info): Define new fields: strided_stores,
2303         slp_instances, and slp_unrolling_factor along macros for their access.
2304         (enum slp_vect_type): New.
2305         (struct _stmt_vec_info): Define new field, slp_type, and macros for
2306         its access.
2307         (STMT_VINFO_STRIDED_ACCESS): New macro.
2308         (vect_free_slp_tree): Declare.
2309         (vectorizable_load): Add an argument of type slp_tree.
2310         (vectorizable_store, vectorizable_operation, vectorizable_conversion,
2311         vectorizable_assignment): Likewise.
2312         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
2313         Declare (make extern).
2314         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2315         (new_loop_vec_info): Likewise.
2316         (destroy_loop_vec_info): Free memory allocated for SLP structures.
2317         * tree-vect-analyze.c: Include recog.h.
2318         (vect_update_slp_costs_according_to_vf): New.
2319         (vect_analyze_operations): Add argument for calls to vectorizable_ ()
2320         functions. For not pure SLP stmts with strided access check that the
2321         group size is power of 2. Update the vectorization factor according to
2322         SLP. Call vect_update_slp_costs_according_to_vf.
2323         (vect_analyze_group_access): New.
2324         (vect_analyze_data_ref_access): Call vect_analyze_group_access.
2325         (vect_free_slp_tree): New functions.
2326         (vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
2327         vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
2328         vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
2329         vect_detect_hybrid_slp): Likewise.
2330         (vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
2331         and vect_detect_hybrid_slp.
2332         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
2333         SLP costs into account.
2334         (vect_get_cost_fields): New function.
2335         (vect_model_simple_cost): Make extern, add SLP parameter and handle
2336         SLP.
2337         (vect_model_store_cost, vect_model_load_cost): Likewise.
2338         (vect_get_constant_vectors): New function.
2339         (vect_get_slp_vect_defs, vect_get_slp_defs,
2340         vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
2341         vect_get_vec_defs): Likewise.
2342         (vectorizable_reduction): Don't handle SLP for now.
2343         (vectorizable_call): Don't handle SLP for now. Add argument to
2344         vect_model_simple_cost.
2345         (vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
2346         get SLPed and vectorized defs). Fix indentation and spacing.
2347         (vectorizable_assignment): Handle SLP.
2348         (vectorizable_induction): Don't handle SLP for now.
2349         (vectorizable_operation): Likewise.
2350         (vectorizable_type_demotion): Add argument to
2351         vect_model_simple_cost.
2352         (vectorizable_type_promotion): Likewise.
2353         (vectorizable_store, vectorizable_load): Handle SLP.
2354         (vectorizable_condition): Don't handle SLP for now.
2355         (vect_transform_stmt): Add a new argument for SLP. Check that there is
2356         no SLP transformation required for unsupported cases. Add SLP
2357         argument for supported cases.
2358         (vect_remove_stores): New function.
2359         (vect_schedule_slp_instance, vect_schedule_slp): Likewise.
2360         (vect_transform_loop): Schedule SLP instances.
2361         * Makefile.in: (tree-vect-analyze.o): Depend on recog.h.
2362
2363 2007-09-09  Andrew Haley  <aph@redhat.com>
2364
2365         * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the fake
2366         signed optab.
2367
2368 2007-09-09  Hans-Peter Nilsson  <hp@axis.com>
2369
2370         Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
2371         * doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
2372         Similar for what label_refs can go in the JUMP_TARGET field.  Split
2373         REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
2374         * reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
2375         REG_LABEL when replacing an operand with a LABEL_REF for a
2376         non-jump insn.
2377         (subst_reloads): When replacing a LABEL_REG with a register,
2378         instead of generating a REG_LABEL note, assert that there already
2379         is one or that the label is a known target for the insn.
2380         * rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
2381         note, check the JUMP_LABEL field.  Remove "else" after return.
2382         * reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
2383         cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
2384         (fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
2385         REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
2386         insns.  Iterate over all notes; don't assume there's only one.
2387         * cse.c (recorded_label_ref): Adjust comment to refer to
2388         REG_LABEL_OPERAND.
2389         (cse_extended_basic_block): Do LABEL_REF check for all INSN_P
2390         insns, not just NONJUMP_INSN_P.
2391         (check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
2392         isn't a jump target.
2393         * jump.c (rebuild_jump_labels): Adjust head comment.
2394         (init_label_info): Ditto.  Remove REG_LABEL_OPERAND notes only;
2395         don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
2396         (mark_all_labels): For JUMP_P insns without a target, check if the
2397         the target is noted on the previous nonjump insn.
2398         (mark_jump_label_1): New function, guts from mark_jump_label.
2399         <case IF_THEN_ELSE>: Handle first operand as a non-target when
2400         marking jump target labels.
2401         <case LABEL_REF>: Adjust for whether to generate a
2402         REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
2403         For 'E' format rtl, iterate in descending element order.
2404         (delete_related_insns): Handle both REG_LABEL_TARGET and
2405         REG_LABEL_OPERAND notes.  For JUMP_P insns with labels with zero
2406         reference count, delete and fallthrough.  Move finding-next-
2407         non-deleted insn last in the function.  Look at all INSN_P insns
2408         for REG_LABEL_OPERAND notes.
2409         (redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
2410         JUMP.
2411         * print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
2412         JUMP_LABEL, output the INSN_UID of it.
2413         * gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
2414         and/or REG_LABEL_TARGET.
2415         (add_label_notes): Only add REG_LABEL_OPERAND notes.  Put in line
2416         with jump.c copy by only adding notes for labels actually
2417         referenced in the insn.
2418         * emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
2419         usage count increment; handle all INSN_P trial insns.
2420         (emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
2421         notes.
2422         * rtl.h (struct rtx_def) <volatil>: Adjust to mention
2423         REG_LABEL_TARGET and REG_LABEL_OPERAND.
2424         (LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
2425         REG_LABEL_OPERAND.
2426         * combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
2427         JUMP_P insns and REG_LABEL_OPERAND everywhere.
2428         * sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
2429         on all INSN_P insns.
2430         * reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
2431         * cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
2432         REG_LABEL_OPERAND notes.
2433         * reload1.c (calculate_needs_all_insns): Adjust comments.
2434         (set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
2435         * config/alpha/alpha.md (split for load of an address into a
2436         four-insn sequence on Unicos/Mk): Adjust to use
2437         REG_LABEL_OPERAND.
2438         * config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
2439
2440 2007-09-09  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2441
2442         Revert:
2443         2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2444         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2445         FOR_BB_INSNS_SAFE instead of for loop.
2446         * cse.c (cse_extended_basic_block): Likewise.
2447         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2448         that the for loop does not invoke NEXT_INSN on a deleted insn.
2449         * function.c (instantiate_virtual_regs): Likewise.
2450         * lower-subreg.c (remove_retval_note): Likewise.
2451         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2452         FOR_BB_INSNS.
2453         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2454         a deleted insn.
2455         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2456         insn, if it's a jump.
2457         (try_redirect_by_replacing_jump): New variable jump_p. Call
2458         tablejump_p before delete_insn_chain.
2459         * reload1.c (reload): New variable next. Make sure that the for
2460         loop does not invoke NEXT_INSN on a deleted insn.
2461         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2462         (delete_output_reload): New variable prev. Make sure the the for
2463         loops do not invoke PREV_INSN on a deleted insn.
2464
2465 2007-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2466
2467         * pa/constraints.md: Remove 'X' from unused letters comment.
2468
2469 2007-09-08  Richard Guenther  <rguenther@suse.de>
2470
2471         * tree-tailcall.c (find_tail_calls): If we don't have aliases
2472         computed check stmt_ann->references_memory instead of counting
2473         virtual operands.
2474
2475 2007-09-08  Segher Boessenkool  <segher@kernel.crashing.org>
2476
2477         * cse.c (fold_rtx): Use validate_unshare_change() instead of
2478         validate_change() in one more case.
2479
2480 2007-09-08  Zdenek Dvorak  <ook@ucw.cz>
2481
2482         PR tree-optimization/32283
2483         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
2484         estimated_loop_iterations.
2485         (determine_use_iv_cost_condition): Decrease cost of expressions
2486         used in iv elimination.
2487
2488 2007-09-08  Richard Guenther  <rguenther@suse.de>
2489
2490         * tree-cfg.c (verify_gimple_expr): Avoid building new
2491         pointer types, use TYPE_POINTER_TO if available instead.
2492
2493 2007-09-08  Uros Bizjak  <ubizjak@gmail.com>
2494
2495         PR target/33329
2496         PR rtl-optimization/26449
2497         * config/i386/sse.md (mulv4si3): Do not expand sse2 sequence.
2498         (*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
2499         split1 pass.
2500         (mulv16qi3): Implement as define_insn_and_split pattern instead of
2501         define_expand.  Split insn in split1 pass.
2502         (mulv2di3): Ditto.
2503
2504 2007-09-08  Dorit Nuzman  <dorit@il.ibm.com>
2505
2506         PR tree-optimization/33301
2507         * tree-vect-analyze (analyze_operations): Look at the type of the rhs
2508         when relevant.
2509
2510 2007-09-07  Zdenek Dvorak  <ook@ucw.cz>
2511
2512         PR tree-optimization/32183
2513         * Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).
2514
2515         * tree-ssa-reassoc.c: Include cfgloop.h.
2516         (is_reassociable_op): Add a loop argument and return true only
2517         for inside loop.
2518         (linearize_expr): Updated.
2519         (should_break_up_subtract): Likewise.
2520         (linearize_expr_tree): Likewise.
2521         (init_reassoc): Call loop_optimizer_init with
2522         AVOID_CFG_MODIFICATIONS.  Remove calculate_dominance_info call
2523         with CDI_DOMINATORS.
2524         (fini_reassoc): Call loop_optimizer_finalize.
2525
2526 2007-09-07  Sterling Augustine  <sterling@tensilica.com>
2527
2528         * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even
2529         if there is no i-cache.
2530
2531 2007-09-07  Richard Guenther  <rguenther@suse.de>
2532
2533         Reapply
2534         2007-09-06  Richard Guenther  <rguenther@suse.de>
2535
2536         PR tree-optimization/32586
2537         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2538         folding if nothing changed.
2539         (simplify_unary_expression): New function.  Do tree combining
2540         on conversion like codes.
2541         (try_to_simplify): Call it.
2542
2543 2007-09-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2544
2545         PR target/33286
2546         * gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux.
2547         (__gthread_active,__gthread_start, __gthread_active_init): New.
2548         * gthr-posix95.h: Likewise.
2549
2550 2007-09-07  Roman Zippel <zippel@linux-m68k.org>
2551
2552         * function.h (struct function): Rename calls_unwind_init
2553         to saves_all_registers.
2554         (current_function_saves_all_registers): Renamed from
2555         current_function_calls_unwind_init.
2556         * reload1.c (reload): Set current_function_saves_all_registers.
2557         * except.c (expand_builtin_unwind_init): Likewise.
2558         * config/m68k/m68k.c (m68k_save_reg): Use
2559         current_function_saves_all_registers to save pic register.
2560
2561 2007-09-07  Janis Johnson  <janis187@us.ibm.com>
2562
2563         config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN.
2564         config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto.
2565
2566         Reapply reverted changes:
2567
2568         2007-09-06  Jan Hubicka  <jh@suse.cz>
2569
2570         * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call
2571         of real_2expN.
2572
2573         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2574
2575         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2576         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2577
2578         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2579
2580         * optabs.c (expand_float): Convert unsigned integer as signed only
2581         if it provides sufficient accuracy; add mode argument to real_2expN.
2582         (expand_fix): Fix comment typos; extend binary float into mode
2583         wider than destination for converion to unsigned integer; add mode
2584         argument to real_2expN.
2585         * real.c (real_2expN): Add mode argument to special-case decimal
2586         float values.
2587         * real.h (real_2expN): Ditto.
2588         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2589         real_2expN.
2590         (fixed_from_string): Ditto.
2591         (fixed_to_decimal): Ditto.
2592         (fixed_convert_from_real): Ditto.
2593         (real_convert_from_fixed): Ditto.
2594         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2595         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2596         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2597         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2598
2599 2007-09-07  Diego Novillo  <dnovillo@google.com>
2600
2601         * tree-flow.h (const_block_stmt_iterator): Remove.
2602         Update all users to use block_stmt_iterator.
2603         * tree-iterator.h (const_tree_stmt_iterator): Remove.
2604         Update all users to use tree_stmt_iterator.
2605
2606 2007-09-07  Sandra Loosemore  <sandra@codesourcery.com>
2607
2608         * config/mips/mips.c (mips_set_current_function): Temporarily
2609         make this a no-op to fix bootstrap errors, pending rewrite.
2610
2611 2007-09-07  Jan Hubicka  <jh@suse.cz>
2612
2613         * reorg.c (dbr_schedule): Move code removing placeholder USEs later
2614         in the pass.
2615
2616 2007-09-07  Dorit Nuzman  <dorit@il.ibm.com>
2617
2618         PR tree-optimization/33299
2619         * tree-vect-transform.c (vect_create_epilog_for_reduction): Update
2620         uses for all relevant loop-exit phis, not just the first.
2621
2622 2007-09-07  Richard Guenther  <rguenther@suse.de>
2623
2624         PR middle-end/33330
2625         * tree-ssa-operands.c (access_can_touch_variable): An access
2626         of the form (*p)[0] can touch a variable of same size.
2627
2628 2007-09-07  Jan Hubicka  <jh@suse.cz>
2629
2630         * passes.c (init_optimization_passes): Add simple dce and addressable
2631         passes.
2632         * tree-ssa.c (execute_update_addresses_taken): New function.
2633         (pass_update_address_taken): New.
2634         * tree-ssa-dse.c (execute_simple_dse): New function.
2635         (pass_simple_dse): New.
2636         * tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare.
2637
2638 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2639
2640         PR middle-end/33321
2641         * doc/invoke.texi: Fix -Wstrict-overflow= table.
2642
2643 2007-09-07  Richard Guenther  <rguenther@suse.de>
2644
2645         Revert
2646         2007-09-06  Richard Guenther  <rguenther@suse.de>
2647
2648         PR tree-optimization/32586
2649         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2650         folding if nothing changed.
2651         (simplify_unary_expression): New function.  Do tree combining
2652         on conversion like codes.
2653         (try_to_simplify): Call it.
2654
2655 2007-09-07  Richard Guenther  <rguenther@suse.de>
2656             Uros Bizjak  <ubizjak@gmail.com>
2657
2658         PR tree-optimization/32821
2659         * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
2660         NULL in the call to set_bb_stmt_list.
2661
2662 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2663
2664         * config/mips/mips.c (build_mips16_call_stub): Emit all direct
2665         float calls here, rather than leaving some to the caller.
2666         Use call_internal_direct and call_value_internal_direct.
2667         * config/mips/mips.md (call_internal_direct): New pattern.
2668         (call_value_internal_direct): Likewise.
2669
2670 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2671
2672         * config/mips/mips.c (mips_base_move_loop_invariants): New variable.
2673         (mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
2674         to 0 for MIPS16.
2675         (override_options): Set mips_base_move_loop_invariants.
2676
2677 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2678
2679         * config/mips/mips.opt (mcode-readable=): Move to keep list
2680         alphabetical.
2681
2682 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2683
2684         * doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
2685         and -mgpopt options.  Adjust the -G documentation to match.
2686         * config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
2687         * config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
2688         function, split out from mips_classify_symbol.  Return false for
2689         !TARGET_LOCAL_SDATA.
2690         (mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
2691         Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
2692         (override_options): Check whether the -mgpopt setting is consistent
2693         with the other flags.
2694         (symbolic_expression_p): Delete.
2695         (mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
2696         and default_elf_select_rtx_section.
2697         (mips_in_small_data_p): Honor section attributes for MIPS16 too.
2698         Return false for local data unless TARGET_LOCAL_SDATA.  Likewise
2699         external data and TARGET_EXTERN_SDATA.
2700
2701 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2702
2703         PR fortran/33303
2704         * doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__.
2705
2706 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2707
2708         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2709         FOR_BB_INSNS_SAFE instead of for loop.
2710         * cse.c (cse_extended_basic_block): Likewise.
2711         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2712         that the for loop does not invoke NEXT_INSN on a deleted insn.
2713         * function.c (instantiate_virtual_regs): Likewise.
2714         * lower-subreg.c (remove_retval_note): Likewise.
2715         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2716         FOR_BB_INSNS.
2717         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2718         a deleted insn.
2719         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2720         insn, if it's a jump.
2721         (try_redirect_by_replacing_jump): New variable jump_p. Call
2722         tablejump_p before delete_insn_chain.
2723         * reload1.c (reload): New variable next. Make sure that the for
2724         loop does not invoke NEXT_INSN on a deleted insn.
2725         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2726         (delete_output_reload): New variable prev. Make sure the the for
2727         loops do not invoke PREV_INSN on a deleted insn.
2728
2729 2007-09-06  Zdenek Dvorak  <ook@ucw.cz>
2730
2731         * cgraphbuild.c (rebuild_cgraph_edges): Export.
2732         * cgraph.h (rebuild_cgraph_edges): Declare.
2733         * tree-pass.h (pass_expand_omp_ssa): New.
2734         * omp-low.c (find_omp_clause): Export.
2735         (copy_var_decl): Split from omp_copy_decl_2.
2736         (build_omp_barrier): Return the call to emit instead of emitting
2737         it directly.
2738         (lower_rec_input_clauses, expand_omp_single): Gimplify the result of
2739         build_omp_barrier.
2740         (extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
2741         expand_omp_for_generic, expand_omp_for_static_nochunk,
2742         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
2743         Adapted to work on SSA form.
2744         (execute_expand_omp): Do not invalidate dominance information.
2745         (gate_expand_omp): Do not run with -fopenmp-ssa flag.
2746         (gate_expand_omp_ssa, pass_expand_omp_ssa): New.
2747         * gimplify.c (gimplify_omp_for): Ensure that the control variable is
2748         a gimple_reg.
2749         (force_gimple_operand): Allow gimplifying code expressions without
2750         value.
2751         * tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
2752         * common.opt (fopenmp-ssa): New.
2753         * tree-flow.h (find_omp_clause, copy_var_decl): Declare.
2754         * Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
2755         * tree-cfg.c: Include tree-inline.h.
2756         (struct move_stmt_d): Replace vars_to_remove by vars_map field.
2757         (replace_by_duplicate_decl, replace_ssa_name,
2758         mark_virtual_ops_in_region): New functions.
2759         (move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
2760         to work on SSA form.
2761         * passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
2762         * tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
2763         constructs.
2764
2765 2007-09-06  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2766
2767         * tree-loop-linear.c: Include obstack.h.
2768         (linear_transform_loops): New obstack lambda_obstack.
2769         Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
2770         lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
2771         and free afterwards.
2772         * lambda.h (struct obstack): New forward declaration.
2773         (lambda_linear_expression_new): New parameter of type struct
2774         obstack *.
2775         (lambda_loopnest_new): Likewise.
2776         (lambda_loopnest_transform): Likewise.
2777         (lambda_body_vector_new): Likewise.
2778         (lambda_body_vector_compute_new): Likewise.
2779         (gcc_loopnest_to_lambda_loopnest): Likewise.
2780         (lambda_loopnest_to_gcc_loopnest): Likewise.
2781         * lambda-code.c: Include obstack.h.
2782         (lambda_lattice_new): New parameter lambda_obstack.  Use it for
2783         allocation of ret.
2784         (lambda_body_vector_new): Likewise.
2785         (lambda_linear_expression_new): Likewise.
2786         (lambda_lattice_new): Likewise.
2787         (lambda_loopnest_new): Likewise.  Additionally use obstack to
2788         allocate LN_LOOPS(ret).
2789         (lambda_lattice_compute_base): New parameter lambda_obstack.  Pass
2790         it to lambda_lattice_new.
2791         (lambda_body_vector_compute_new): New parameter lambda_obstack.
2792         Pass it to lambda_body_vector_new.
2793         (lambda_lattice_compute_base): New paramater lambda_obstack.  Pass
2794         it to lambda_lattice_new.
2795         (compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
2796         Pass it to lambda_loopnest_new, lambda_linear_expression_new.
2797         (lambda_compute_target_space): Likewise.
2798         (lambda_compute_auxillary_space): New parameter lambda_obstack.
2799         Pass it to lambda_lattice_compute_base and
2800         compute_nest_using_fourieer_motzkin.
2801         (lambda_loopnest_transform): New parameter lambda_obstack.  Pass
2802         it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
2803         and lambda_lattice_compute_target_space.
2804         (gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
2805         Pass it to lambda_linear_expression_new.
2806         (gcc_loop_to_lambda_loop): New parameter lambda_obstack.  Pass it
2807         to gcc_tree_to_linear_expression.
2808         (gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
2809         Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
2810         (lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
2811         Pass it to lambda_body_vector_new and
2812         lambda_body_vector_compute_new.
2813         * Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
2814         (lambda-code.o): Likewise.
2815
2816 2007-09-06  Chao-ying Fu  <fu@mips.com>
2817
2818         * ginclude/stdfix.h: New file.
2819         * Makefile.in (USER_H): Add $(srcdir)/ginclude/stdfix.h.
2820         (convert.o): Add dependence on fixed-value.h.
2821         * c-convert.c (convert): Support FIXED_POINT_TYPE.
2822         * c-cppbuiltin.c (builtin_define_fixed_point_constants): New function
2823         to define fixed-point constants.
2824         (c_cpp_builtins): Define fixed-point constants.
2825         * convert.c (fixed-value.h): New include.
2826         (convert_to_real): Update comment to include fixed-point.
2827         Support FIXED_POINT_TYPE.
2828         (convert_to_integer): Update comment to include fixed-point.
2829         Support FIXED_POINT_TYPE.
2830         (convert_to_complex): Support FIXED_POINT_TYPE.
2831         (convert_to_fixed): New function.
2832         * convert.h (convert_to_fixed): Declare.
2833         * genopinit.c: Add comment about $Q for only fixed-point modes.
2834         (optabs): Add fract_optab, fractuns_optab, satfract_optab,
2835         satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab,
2836         sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab,
2837         ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab,
2838         usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab,
2839         usneg_optab for fixed-point modes.
2840         (gen_insn): Add force_fixed to track the $Q format for all fixed-point
2841         modes.
2842         * optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR,
2843         PLUS_EXPR, MINUS_EXPR, MULT_EXPR, NEGATE_EXPR, return signed or
2844         unsigned saturation optabs, when type is saturating.
2845         (shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT.
2846         (expand_fixed_convert): New function.
2847         (gen_fixed_libfunc, gen_signed_fixed_libfunc,
2848         gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc,
2849         gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc,
2850         gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc,
2851         gen_fract_conv_libfunc, gen_fractuns_conv_libfunc,
2852         gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New
2853         functions.
2854         (init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab,
2855         ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab,
2856         usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab,
2857         ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab,
2858         usneg_optab, fract_optab, fractuns_optab, satfract_optab,
2859         satfractuns_optab.
2860         Initialize fixed-point libraries, including add, ssadd, usadd, sub,
2861         sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl,
2862         ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract,
2863         fractuns, satfractuns.
2864         * optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub,
2865         OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg,
2866         OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen,
2867         OTI_ssmsub_widen,  OTI_usmsub_widen.
2868         (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
2869         usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
2870         ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab,
2871         umsub_widen_optab, usmsub_widen_optab): Define.
2872         (enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract,
2873         COI_satfractuns.
2874         (fract_optab, fractuns_optab, satfract_optab, satfractuns_optab):
2875         Define.
2876         (expand_fixed_convert): Declare.
2877         * expr.c (convert_move): Support the move of fixed-point modes.
2878         (emit_move_insn_1): Handle fixed-point mode to move via integer.
2879         (categorize_ctor_elements_1): Handle FIXED_CST.
2880         (count_type_elements): Handle FIXED_POINT_TYPE.
2881         (expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT,
2882         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2883         Support FIXED_CST.
2884         For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating
2885         multiply and add/subtract for fixed-point types.
2886         For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point
2887         mode, we jump to binop directly.
2888         Support FIXED_CONVERT_EXPR.
2889         (do_store_flag): Check FIXED_CST to put a constant second.
2890         (vector_mode_valid_p): Handle MODE_VECTOR_FRACT,
2891         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2892         (const_vector_from_tree): Support FIXED_CST.
2893         * doc/extend.texi (Fixed-Point): New node.
2894         * doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv,
2895         ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract,
2896         satfract, fractuns, satfractuns): Document them.
2897
2898 2007-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2899
2900         * config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc
2901         addresses into I registers.
2902
2903 2007-09-06  Jan Hubicka  <jh@suse.cz>
2904             Andreas Tobler  <a.tobler@schweiz.org>
2905
2906         * config/darwin.c (machopic_indirect_data_reference): Avoid invalid
2907         sharing.
2908         (machopic_legitimize_pic_address): Likewise.
2909
2910 2007-09-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2911             Jan Hubicka  <jh@suse.cz>
2912
2913         * config/spu/spu.md (floatsidf2): Use convert_optab_libfunc
2914         instead of ufloat_optab->handlers directly.
2915         (floatdidf2): Likewise.
2916
2917 2007-09-06  Sandra Loosemore  <sandra@codesourcery.com>
2918
2919         * config/mips/mips.c:  Include diagnostic.h.
2920         (mips_set_current_function): Check errorcount and sorrycount
2921         before generating RTL.
2922
2923 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2924
2925         PR target/33256
2926         * config/mips/mips.c (mips_classify_symbolic_expression): New function.
2927         (mips_classify_address): Use it instead of mips_symbolic_constant_p.
2928         (print_operand_reloc): Likewise.
2929
2930 2007-09-06  Janis Johnson  <janis187@us.ibm.com>
2931
2932         Revert:
2933
2934         2007-09-06  Jan Hubicka  <jh@suse.cz>
2935
2936         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2937         real_2expN.
2938
2939         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2940
2941         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2942         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2943
2944         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2945
2946         * optabs.c (expand_float): Convert unsigned integer as signed only
2947         if it provides sufficient accuracy; add mode argument to real_2expN.
2948         (expand_fix): Fix comment typos; extend binary float into mode
2949         wider than destination for converion to unsigned integer; add mode
2950         argument to real_2expN.
2951         * real.c (real_2expN): Add mode argument to special-case decimal
2952         float values.
2953         * real.h (real_2expN): Ditto.
2954         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2955         real_2expN.
2956         (fixed_from_string): Ditto.
2957         (fixed_to_decimal): Ditto.
2958         (fixed_convert_from_real): Ditto.
2959         (real_convert_from_fixed): Ditto.
2960         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2961         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2962         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2963         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2964
2965 2007-09-06  Tom Tromey  <tromey@redhat.com>
2966
2967         * tree-cfg.c (remove_bb): Only warn if line is non-zero.
2968         * c-pch.c (c_common_read_pch): Restore current location after
2969         reading PCH file.
2970         * tree.c (expand_location): Update.
2971         (expr_filename): Changed return type.  Unified the two cases.
2972         (expr_lineno): Likewise.
2973         (annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
2974         as lvalues.
2975         * toplev.c (line_table): Changed type.
2976         (general_init): Update.
2977         (realloc_for_line_map): New function.
2978         (general_init): Allocate line_table using GC.
2979         * fix-header.c (line_table): Changed type.
2980         (read_scan_file): Update.
2981         (read_scan_file): Update.
2982         * c-ppoutput.c (maybe_print_line): Update.
2983         (print_line): Update.
2984         (cb_line_change): Update.
2985         (cb_define): Update.
2986         (pp_file_change): Update.
2987         * c-opts.c (c_common_init_options): Update.
2988         (finish_options): Update.
2989         (push_command_line_include): Update.
2990         * c-lex.c (cb_line_change): Update.
2991         (cb_def_pragma): Update.
2992         (cb_define): Update.
2993         (cb_undef): Update.
2994         (c_lex_with_flags): Use cpp_get_token_with_location.
2995         * input.h (line_table): Changed type.
2996         (location_from_locus): New macro.
2997         * tree.h (EXPR_FILENAME): No longer an lvalue.
2998         (EXPR_LINENO): Likewise.
2999         (expr_locus, set_expr_locus): Declare separately for
3000         USE_MAPPED_LOCATION.
3001         (expr_filename, expr_lineno): Changed return type.
3002         * gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
3003         * cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
3004         (expand_gimple_basic_block): Likewise.
3005         * final.c (final_scan_insn): Use expanded_location.
3006
3007 2007-09-06  Richard Guenther  <rguenther@suse.de>
3008
3009         PR tree-optimization/32586
3010         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
3011         folding if nothing changed.
3012         (simplify_unary_expression): New function.  Do tree combining
3013         on conversion like codes.
3014         (try_to_simplify): Call it.
3015         * builtins.c (fold_builtin_cexp): Fold the built expressions.
3016         * fold-const.c (fold_unary): Test result of get_callee_fndecl().
3017
3018 2007-09-06  Jan Hubicka  <jh@suse.cz>
3019
3020         PR target/33318
3021         * cse.c (fold_rtx): Avoid invalid sharing.
3022
3023 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
3024
3025         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
3026         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
3027
3028 2007-09-06  Revital Eres  <eres@il.ibm.com>
3029
3030         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3031         Fix offsettable memory reference for 750CL.
3032
3033 2007-09-06  Pat Haugen  <pthaugen@us.ibm.com>
3034
3035         * reload.c (find_reloads_address_1): Try to preserve original
3036         base/index regclass of operands.
3037         * regrename.c (scan_rtx_address): Likewise.
3038         (replace_oldest_value_addr): Likewise.
3039
3040 2007-09-06  Richard Guenther  <rguenther@suse.de>
3041
3042         PR tree-optimization/33302
3043         * domwalk.c (walk_dominator_tree): The exit block is
3044         interesting even if it is not reachable.
3045
3046 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
3047
3048         PR middle-end/33306
3049         * optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode.
3050
3051 2007-09-06  Basile Starynkevitch  <basile@starynkevitch.net>
3052
3053         * cfg.c (dump_bb_info, dump_edge_info): Added cfun test for
3054         robustness.
3055
3056 2007-09-05  Ian Lance Taylor  <iant@google.com>
3057
3058         * tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int
3059         when printing.
3060         (dump_generic_node): Likewise.
3061         * print-rtl.c (print_decl_name): Likewise.
3062         * print-tree.c (print_node_brief): Likewise.
3063         (print_node): Likewise.
3064         * Makefile.in (RTL_BASE_H): Add alias.h.
3065         (TREE_H): Likewise.
3066
3067 2007-09-06  Jesper Nilsson  <jesper.nilsson@axis.com>
3068
3069         * longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros):
3070         Defined.
3071         * config/cris/cris.md (ctzsi2, cris_swap_bits): Implemented.
3072         * config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined.
3073
3074 2007-09-06  Jie Zhang  <jie.zhang@analog.com>
3075
3076         * config.gcc (tm_file): Add linux.h for bfin*-uclinux*.
3077         (tm_defines): Define UCLIBC_DEFAULT to 1.
3078         (extra_options): Add linux.opt.
3079         * config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define.
3080         (CRT_CALL_STATIC_FUNCTION): Likewise.
3081         (NO_IMPLICIT_EXTERN_C): Likewise.
3082         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
3083         * config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define.
3084         * config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define.
3085         (ENDFILE_SPEC): Don't define.
3086         (LIB_SPEC): Likewise.
3087         (CRT_CALL_STATIC_FUNCTION): Likewise.
3088         (NO_IMPLICIT_EXTERN_C): Likewise.
3089         (LINUX_TARGET_OS_CPP_BUILTINS): Likewise.
3090         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
3091
3092 2007-09-06  Jan Hubicka  <jh@suse.cz>
3093
3094         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
3095         real_2expN.
3096
3097 2007-09-06  Jan Hubicka  <jh@suse.cz>
3098
3099         * opts.c (common_handle_option): Enable inlining functions for
3100         -fprofile-generate.
3101
3102 2007-09-06  Jakub Jelinek  <jakub@redhat.com>
3103
3104         * builtin-attrs.def (ATTR_NONNULL_3): New.
3105         (DEF_FORMAT_ATTRIBUTE): Use just ATTR_NONNULL_##FA instead of
3106         ATTR_NOTHROW_NONNULL_##FA.
3107         (DEF_FORMAT_ATTRIBUTE_NOTHROW, DEF_FORMAT_ATTRIBUTE_BOTH): New macros.
3108         (ATTR_FORMAT_PRINTF_NOTHROW_2_0, ATTR_PRINTF_NOTHROW_2_3,
3109         ATTR_FORMAT_PRINTF_NOTHROW_3_0, ATTR_FORMAT_PRINTF_NOTHROW_3_4,
3110         ATTR_FORMAT_PRINTF_NOTHROW_4_0, ATTR_PRINTF_NOTHROW_4_5,
3111         ATTR_FORMAT_PRINTF_NOTHROW_5_0, ATTR_FORMAT_PRINTF_NOTHROW_5_6,
3112         ATTR_FORMAT_SCANF_NOTHROW_2_0, ATTR_FORMAT_SCANF_NOTHROW_2_3,
3113         ATTR_FORMAT_STRFTIME_NOTHROW_3_0, ATTR_FORMAT_STRFMON_NOTHROW_3_4):
3114         New.
3115         (ATTR_FORMAT_PRINTF_4_0, ATTR_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0,
3116         ATTR_FORMAT_PRINTF_5_6, ATTR_FORMAT_STRFTIME_3_0,
3117         ATTR_FORMAT_NOTHROW_3_4): Remove.
3118         * builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf,
3119         vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk,
3120         __vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_*
3121         instead of ATTR_FORMAT_*_*.
3122
3123 2007-09-06  Hans-Peter Nilsson  <hp@axis.com>
3124
3125         * config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on
3126         parts re-used for REG_FRAME_RELATED_EXPR.
3127
3128 2007-09-05  Janis Johnson  <janis187@us.ibm.com>
3129
3130         * optabs.c (expand_float): Convert unsigned integer as signed only
3131         if it provides sufficient accuracy; add mode argument to real_2expN.
3132         (expand_fix): Fix comment typos; extend binary float into mode
3133         wider than destination for converion to unsigned integer; add mode
3134         argument to real_2expN.
3135         * real.c (real_2expN): Add mode argument to special-case decimal
3136         float values.
3137         * real.h (real_2expN): Ditto.
3138         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
3139         real_2expN.
3140         (fixed_from_string): Ditto.
3141         (fixed_to_decimal): Ditto.
3142         (fixed_convert_from_real): Ditto.
3143         (real_convert_from_fixed): Ditto.
3144         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
3145         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
3146         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
3147         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
3148
3149 2007-09-05  Ian Lance Taylor  <iant@google.com>
3150
3151         * init-regs.c (initialize_uninitialized_regs): Call
3152         emit_insn_before rather than add_insn_before.
3153
3154 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3155
3156         * builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
3157         * tree.h (CALL_EXPR_VA_ARG_PACK): Define.
3158         * tree-inline.h (copy_body_data): Add call_expr field.
3159         * tree-inline.c (expand_call_inline): Initialize call_expr.
3160         (copy_bb): Append anonymous inline fn arguments to arguments
3161         when inlining a CALL_EXPR_VA_ARG_PACK call.
3162         * builtins.c (expand_builtin): Issue an error if
3163         BUILT_IN_VA_ARG_PACK is seen during expand.
3164         (fold_call_expr, fold_builtin_call_array): Don't fold
3165         CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with
3166         __builtin_va_arg_pack () call as last argument.
3167         * gimplify.c (gimplify_call_expr): If last argument to a vararg
3168         function is __builtin_va_arg_pack (), decrease number of call
3169         arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
3170         * expr.c (expand_expr_real_1): Issue an error if
3171         CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
3172         * tree-pretty-print.c (dump_generic_node): Handle printing
3173         CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs.
3174         * doc/extend.texi (__builtin_va_arg_pack): Document.
3175
3176 2007-09-05  Adam Nemet  <anemet@caviumnetworks.com>
3177
3178         PR tree-optimization/21513
3179         * builtins.c (build_builtin_expect_predicate): New function.
3180         (fold_builtin_expect): Add argument for expected value.
3181         Distribute __builtin_expect over short-circuiting operations.
3182         Fold nested builtin_expects.
3183         (fold_builtin_2): Adjust call to fold_builtin_expect.
3184
3185 2007-09-05  Rask Ingemann Lambertsen  <rask@sygehus.dk>
3186
3187         PR web/32965
3188         PR tree-optimization/13756
3189         * doc/invoke.texi (Options That Control Optimization): Document
3190         -ftree-dse.
3191
3192 2007-09-05  Uros Bizjak  <ubizjak@gmail.com>
3193
3194         * gcc/config/i386/cpuid.h: New file.
3195         * gcc/config/i386/driver-i386.c: Include cpuid.h.
3196         (describe_cache): Shrink size and line strings to 100 bytes.
3197         (detect_caches_amd): Return "" for unsupported max_ext_level.
3198         Use __cpuid function.
3199         (detect_caches_intel): Return "" for unsupported max_level.
3200         Use __cpuid function.
3201         (host_detect_local_cpu): Change feature flag variables to
3202         unsigned int.  Initialize only extended feature flag variables.
3203         Use __get_cpuid_max to determine max supported cpuid level.
3204         Use __cpuid function to determine supported features.  Fix
3205         calculation of family id.  Remove is_amd and check signature
3206         directly.  Check for Geode signature.  Handle family 4 id.
3207         [PROCESSOR_GENERIC32]: New default for unknown family id.  Move
3208         cpu discovery code to lower part of the function.
3209         [PROCESSOR_PENTIUM, PROCESSOR_K6, PROCESSOR_ATHLON]: Do not tune
3210         for sub-architecture.
3211         [PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code.
3212         [PROCESSOR_K8]: Add k8-sse3 architecture.
3213         [PROCESSOR_NOCONA]: Remove.
3214         [PROCESSOR_GENERIC64]: Ditto.
3215         * gcc/config/i386/x-i386 (driver-i386.o): Depend on cpuid.h.
3216         * gcc/config/i386/crtfastmath.c: Include cpuid.h.  Use __get_cpuid
3217         to check for SSE and FXSAVE support.
3218         * gcc/config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h.
3219         Add -minline-all-stringops.
3220         * gcc/config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers.
3221         (x86_64-*-*): Ditto.
3222
3223 2007-09-05  Jie Zhang  <jie.zhang@analog.com>
3224
3225         * config/bfin/linux-unwind.h: New file.
3226         * config/bfin/linux.h (MD_UNWIND_SUPPORT): Define.
3227         * config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define.
3228
3229 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3230
3231         * Makefile.in (stmt.o): Add alloc-pool.h dependency.
3232         * stmt.c: Include alloc-pool.h.
3233         (struct case_node): Remove GTY marker.
3234         (add_case_node): New parameter case_node_pool.  Use it for
3235         allocation of r.
3236         (expand_case): New allocation pool case_node_pool.  Initialize it,
3237         pass to add_case_node and free it.
3238
3239 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3240             David Ung  <davidu@mips.com>
3241             Nigel Stephens <nigel@mips.com>
3242
3243         Add mips16/nomips16 function attributes and -mflip-mips16 option
3244         for testing mixed-mode compilation.
3245
3246         * config/mips/mips.opt (mflip-mips16): New.
3247
3248         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define.
3249         (SYMBOL_FLAG_MIPS16_FUNC_P): Define.
3250
3251         * config/mips/mips.c (mips_base_target_flags): New.
3252         (mips_base_mips16): New.
3253         (mips_base_schedule_insns): New.
3254         (mips_base_reorder_blocks_and_partition): New.
3255         (mips_base_align_loops): New.
3256         (mips_base_align_jumps): New.
3257         (mips_base_align_functions): New.
3258         (mips16_flipper): New.
3259         (mips_attribute_table): Add "mips16" and "nomips16" entries.
3260         (TARGET_SET_CURRENT_FUNCTION): Define.
3261         (mips_mips16_type_p, mips_nomips16_type_p): New.
3262         (mips_comp_type_attributes): Check mips16/nomips16 attributes.
3263         (mips_function_ok_for_sibcall): Make it deal with functions with
3264         mips16 attributes.
3265         (mips_init_split_addresses): New, split out from override_options.
3266         (mips_init_relocs): New, split out from override_options.
3267         (was_mips16_p): New.
3268         (mips_set_mips16_mode): New, split out from override_options.
3269         (mips_set_current_function): New.
3270         (override_options): Add sorry for unsupported mips16/pic
3271         combination.  Remove error for mips16/dsp combination.  Save
3272         base option settings.
3273         (mips_file_start): Move mips16 mode setting output from here....
3274         (mips_output_function_prologue): ....to here.
3275         (mips_output_mi_thunk): Check for mips16 function.
3276         (build_mips16_function_stub): Don't set .mips16 here.
3277         (build_mips16_call_stub): Likewise.
3278         (mips_expand_builtin): Error in mips16 mode.
3279         (mips_use_mips16_mode_p): New.
3280         (mips_encode_section_info): Check for mips16 function, and set
3281         SYMBOL_REF_FLAGS accordingly.
3282
3283         * doc/extend.texi (Function Attributes): Document new
3284         mips16/nomips16 attributes.
3285         * doc/invoke.texi (Option Summary): Add -mflip-mips16.
3286         (MIPS Options): Document -mflip-mips16.
3287
3288 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3289
3290         * config/mips/mips.c (mips_legitimize_tls_address): Call sorry
3291         if we encounter TLS address in MIPS16 mode.
3292         (mips_legitimize_const_move): Check cannot_force_const_mem for
3293         the (const (plus symbol offset)) case; this forces invalid TLS
3294         address in MIPS16 mode to be caught by the above call to sorry.
3295         (override_options): Don't reset targetm.have_tls in MIPS16 mode,
3296         because that now enables emutls, which is not ABI compatible
3297         with native TLS in non-MIPS16 mode.
3298
3299 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3300
3301         Add target hook invoked when cfun changes.
3302
3303         * doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document.
3304         * target.h (struct gcc_target): Add set_current_function.
3305         * target-def.h (TARGET_SET_CURRENT_FUNCTION): Define.
3306         (TARGET_INITIALIZER): Add initializer for set_current_function.
3307         * tree.h (push_struct_function): New.
3308         * tree-inline.h (push_cfun, pop_cfun): Move declarations to...
3309         * function.h: Here.
3310         (set_cfun): Declare.
3311         * tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
3312         * function.c: Here.
3313         (push_function_context_to): Use allocate_struct_function
3314         to create null context, not init_dummy_function_start.  Use set_cfun.
3315         (pop_function_context_from): Use set_cfun.
3316         (in_dummy_function): New.
3317         (invoke_set_current_function_hook): New.
3318         (set_cfun): New.
3319         (push_cfun, pop_cfun): Use set_cfun.
3320         (push_struct_function): New.
3321         (allocate_struct_function): Call invoke_set_current_function_hook
3322         before returning.
3323         (prepare_function_start): Don't set cfun here.  Remove unused
3324         argument; fix all callers.
3325         (init_dummy_function_start): Fiddle with in_dummy_function.  Call
3326         push_struct_function.
3327         (init_function_start): Set cfun here.
3328         (expand_dummy_function_end): Fiddle with in_dummy_function.  Pop cfun.
3329         * omp-low.c (create_omp_child_function): Use push_struct_function
3330         and pop_cfun to save/restore state.
3331         (expand_omp_parallel): Remove unused saved_cfun variable.
3332         * cgraphunit.c (ipa_passes): Use set_cfun.
3333         * gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here.
3334         * dwarf2out.c (dwarf2out_abstract_function): Likewise.
3335         * matrix-reorg.c (transform_allocation_sites): Likewise.
3336         (matrix_reorg): Use set_cfun.
3337         * gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here.
3338         * tree-optimize.c (tree_rest_of_compilation): Remove one redundant
3339         assignment to cfun; use set_cfun for the other.
3340         * tree-cfg.c (move_sese_region_to_fn): Use set_cfun.
3341         (dump_function_to_file): Use push_cfun/pop_cfun here.
3342         * c-decl.c (finish_function): Use set_cfun.
3343
3344 2007-09-05  Kenneth Zadeck <zadeck@naturalbridge.com>
3345
3346         * regrename.c (rerename_optimize): Use deferred rescanning and
3347         insert explicit calls to rescan insns when changed.
3348
3349 2007-09-05  Jan Hubicka  <jh@suse.cz>
3350
3351         * optabs.c (libfunc_entry): Change optab to integer.
3352         (hash_libfunc, convert_optab_libfunc, optab_libfunc,
3353         set_optab_libfunc, set_conv_libfunc): Use optable indexes instead
3354         of pointers for hashing.
3355
3356 2007-09-05  Jan Hubicka  <jh@suse.cz>
3357
3358         * regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
3359         verifier.
3360         * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
3361         * see.c (pass_see): Likewise.
3362         * tracer.c (pass_tracer): Likewise.
3363         * postreload-gcse.c (pass_gcse2): Likewise.
3364         * postreload.c (pass_postreload_cse): Likewise.
3365         * mode-switching.c (pass_mode_switching): Likewise.
3366         * modulo-sched.c (pass_sms): Likewise.
3367         * cse.c (cse_insn): Likewise.
3368         * web.c (pass_web): Likweise.
3369         * combine-stack-adj.c (pass_stack_adjustments): Likewise.
3370         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
3371         * loop-init.c (pass_rtl_loop_init): Likewise.
3372         (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
3373         pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
3374         * global.c (pass_global_alloc): Likewise.
3375         * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
3376         pass_if_after_reload): Likewise.
3377         * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
3378         * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
3379         * regmove.c (pass_regmove): Likewise.
3380         * function.c (pass_thread_prologugues_epilogues): Likewise.
3381         * gcse.c (pass_gcse): Likewise.
3382         * rtl-factoring.c (pass_rtl_seqabstr): Likewise.
3383         * lower-subreg.c (pass_lower_subreg2): Likewise.
3384         * bt-load.c (pass_branch_target_load): Likewise.
3385         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3386         * cfgcleanup.c (pass_jump, pass_jump2): Likewise.
3387         * combine.c (pass_combine): Likewise.
3388         * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
3389         (pass_partition_blocks): Likewise.
3390         * var-tracking.c (pass_variable_track): Likewise.
3391         * reg-stack.c (pass_stack_regs_run): Likewise.
3392         * sched-rgn.c (pass_sched, pass_sched2): Likewise.
3393         * passes.c (pass_postreload): Likewise.
3394         (execute_function_todo): Add TODO_verify_rtl_sharing handling code.
3395         * tree-pass.h (TODO_verify_rtl_sharing): New.
3396         (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
3397         TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
3398         TODO_set_props, TODO_df_finish, TODO_df_verify,
3399         TODO_mark_first_instance, TODO_rebuild_alias): Renumber.
3400
3401 2007-09-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3402
3403         * fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p,
3404         fold_real_zero_addition_p, reorder_operands_p,
3405         div_if_zero_remainder, fold_undefer_overflow_warnings,
3406         int_binop_types_match_p, fold_convert_const_int_from_int,
3407         fold_convert_const_int_from_real,
3408         fold_convert_const_int_from_fixed,
3409         fold_convert_const_real_from_real,
3410         fold_convert_const_real_from_fixed,
3411         fold_convert_const_fixed_from_fixed,
3412         fold_convert_const_fixed_from_int,
3413         fold_convert_const_fixed_from_real, maybe_lvalue_p,
3414         fold_checksum_tree, fold_check_failed, print_fold_checksum,
3415         debug_fold_checksum, multiple_of_p): Constify.
3416         * tree-flow-inline.h (get_lineno): Likewise.
3417         * tree-flow.h (get_lineno): Likewise.
3418         * tree-object-size.c (compute_object_offset, addr_object_size,
3419         alloc_object_size, pass_through_call): Likewise.
3420         * tree-pretty-print.c (op_symbol, print_call_name,
3421         print_struct_decl, do_niy): Likewise.
3422         * tree.h (fold_undefer_overflow_warnings, multiple_of_p,
3423         debug_fold_checksum): Likewise.
3424
3425 2007-09-04  Steven Bosscher  <steven@gcc.gnu.org>
3426
3427         PR middle-end/33029
3428         * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL
3429         note, remove the associated REG_RETVAL note.
3430
3431 2007-09-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3432
3433         * config.gcc (powerpc*-*-*): Install
3434         spu2vmx.h, vec_types.h, and si2vmx.h headers.
3435         * config/rs6000/spu2vmx.h: New header.
3436         * config/rs6000/si2vmx.h: New header.
3437         * config/rs6000/vec_types.h: New header.
3438
3439 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3440
3441         * varasm.c (initializer_constant_valid_p): Fix comment typo.
3442
3443 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3444
3445         * config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
3446         not `m' for *ptrp.
3447         (__stdcx): Make asm volatile.
3448         (__stwcx, __stdcx): Return only 0 or 1.
3449
3450 2007-09-05  Jan Hubicka  <jh@suse.cz>
3451
3452         Revert:
3453
3454         2007-09-04  Jan Hubicka  <jh@suse.cz>
3455         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3456
3457         2007-09-04  Richard Guenther  <rguenther@suse.de>
3458         * tree-ssa-operands.c (add_virtual_operand): Only mark
3459         stores as has_volatile_ops if alias information is not available.
3460
3461 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3462
3463         * config/rs6000/tramp.asm: Include config.h.
3464         Check __PIC__ or __pic__ macro instead of SHARED.
3465
3466         PR rtl-optimization/32300
3467         * see.c (see_copy_insn): New function.
3468         (see_def_extension_not_merged, see_merge_one_use_extension,
3469         see_merge_one_def_extension): Use it.  Avoid changing
3470         PREV_INSN/NEXT_INSN chains directly, insted emit insns
3471         into sequences.  Call df_insn_delete on temporary insns
3472         that won't be emitted into the insn stream.
3473         (rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
3474         and run df_process_deferred_rescans () before run_fast_dce.
3475
3476         PR tree-optimization/33017
3477         * tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
3478         recurse for pure or const function calls.
3479
3480 2007-09-04  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3481
3482         * c-format.c: Include alloc-pool.h.
3483         (check_format_info_main): New argument fwt_alloc.  Use allocation
3484         pool instead of GC.  Remove GC deallocation code.
3485         (check_format_arg): Create allocation pool, pass it to
3486         check_format_info_main and free it afterwards.
3487         * Makefile.in (c-format.o): Add alloc-pool.h dependency.
3488
3489 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3490
3491         * config/rs6000/ppu_intrinsics.h (__protected_stream_count):
3492         Rename count macro arugment for clarity.
3493         (__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000.
3494         (__protected_stream_set): Likewise, pass 0.
3495
3496 2007-09-04  Jan Hubicka  <jh@suse.cz>
3497
3498         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3499
3500 2007-09-04  Jan Hubicka  <jh@suse.cz>
3501
3502         * invoke.texi (-finline-small-functions): Document.
3503         * ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE
3504         when deciding what is inlinable.
3505         (cgraph_decide_recursive_inlining): Handle flag_inline_functions.
3506         (cgraph_decide_inlining_of_small_function): Handle new flags.
3507         (cgraph_decide_inlining_incrementally): Likewise.
3508         * opts.c (decode_options): Enable flag_inline_small_functions at -O2
3509         * common.opt (finline-small-functions): New.
3510         * Makefile.in (build/gengtype.o-warn): Work around PR29478
3511
3512 2007-09-04  Richard Guenther  <rguenther@suse.de>
3513
3514         * tree-ssa-operands.c (add_virtual_operand): Only mark
3515         stores as has_volatile_ops if alias information is not available.
3516
3517 2007-09-04  Andrew Haley  <aph@redhat.com>
3518
3519         * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0.
3520
3521 2007-09-04  Andrew Haley  <aph@redhat.com>
3522
3523         * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New.
3524         * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New.
3525         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New.
3526
3527 2007-09-04  Emmanuel Thome  <Emmanuel.Thome@inria.fr>
3528
3529         PR c++/14178
3530         * common.opt: Mention ABI version 2 in comment.
3531
3532 2007-09-04  Jan Hubicka  <jh@suse.cz>
3533
3534         * optabs.c (debug_optab_libfunc): Update; make available to gdb.
3535         (libfunc_entry): New structure.
3536         (libfunc_hash): New hashtable.
3537         (hash_libfunc): New function.
3538         (eq_libfunc): New function.
3539         (convert_optab_libfunc): New function.
3540         (optab_libfunc): New function.
3541         (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc,
3542         expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn,
3543         expand_float, expand_fix, new_optab, new_convert_optab):
3544          Update for new libfunc API.
3545         (init_libfunc, init_integral_libfuncs,
3546         init_floating_libfuncs, init_interclass_conv_libfuncs
3547         init_intraclass_conv_libfuncs): Remove; reorganize all logic to:
3548         (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc,
3549         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
3550         gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc,
3551         gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc,
3552         gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc,
3553         gen_extend_conv_libfunc): New.
3554         (init_one_libfunc): Revamp for hashtables.
3555         (set_conv_libfunc): Likewise.
3556         (init_optabs): Initialize hashtable; use lazy initialization where
3557         possible.
3558         * optabs.h (optab_handlers): Move out of GGC.
3559         (optab, convert_optab): Move out of GGC; add lazy gen info.
3560         (code_to_optab, convert_optab_table, optab_table): Move out of GGC.
3561         (optab_libfunc, convert_optab_libfunc): New.
3562         * builtins.c (expand_builtin_powi): Update for new API.
3563         * expr.c (convert_move): Likewise.
3564         * expmed.c (expand_divmod): Likewise.
3565
3566 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3567
3568         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
3569         GOT pointer only if there is a constant pool.  Use the allocated space
3570         for SPE also.
3571
3572 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3573
3574         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
3575         typo for AltiVec.
3576
3577 2007-09-04  Revital Eres  <eres@il.ibm.com>
3578             Richard Guenther  <rguenther@suse.de>
3579             R. Clint Whaley  <whaley@cs.utsa.edu>
3580
3581         * doc/invoke.texi (-fassociative-math, -freciprocal-math):
3582         Document new flags.
3583         * tree-tailcall.c (process_assignment): Use -fassociative-math
3584         when reodering operands of floating-point type.
3585         * fold-const.c (fold_comparison, fold_binary): Use
3586         -fassociative-math and -freciprocal-math instead of
3587         -funsafe-math-optimization flag.
3588         * toplev.h (set_unsafe_math_optimizations_flags): Declare function.
3589         * tree-ssa-math-opts.c (gate_cse_reciprocals): Use
3590         -freciprocal-math instead of -funsafe-math-optimizations.
3591         * opts.c (set_fast_math_flags): Set -freciprocal-math and
3592         -fassociative-math when -ffast-math is set.
3593         (set_unsafe_math_optimizations_flags): New Function
3594         to set -freciprocal-math and -fassociative-math when
3595         -funsafe-math-optimizations is set.
3596         (common_handle_option): Call it.
3597         * tree-vectorizer.c (vect_is_simple_reduction): Use
3598         -fassociative-math when doing reduction on floats.
3599         * loop-unroll.c (analyze_insn_to_expand_var): Use
3600         -fassociative-math when expanding an accumulator of type float.
3601         * simplify-rtx.c (simplify_binary_operation_1): Use
3602         -fassociative-math and -freciprocal-math when reordeing operands
3603         of floating-point type.
3604         * combine.c (combine_simplify_rtx): Likewise.
3605         * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
3606         Likewise.
3607         * common.opt (-fassociative-math, -freciprocal-math): New flags.
3608
3609 2007-09-04  Paolo Carlini  <pcarlini@suse.de>
3610
3611         PR c++/18608
3612         * doc/install.texi (--enable-__cxa_atexit): Fix typo.
3613
3614 2007-09-04  Jan Hubicka  <jh@suse.cz>
3615
3616         * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.
3617
3618 2007-09-04  Jan Hubicka  <jh@suse.cz>
3619
3620         * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
3621         and corresponding MATCH_DUP.
3622
3623 2007-09-04  Uros Bizjak  <ubizjak@gmail.com>
3624
3625         PR middle-end/33187
3626         * combine.c (subst): Do not try to simplify X if it represents load
3627         of FP constant from the constant pool via float extension.
3628
3629 2007-09-04  Ben Elliston  <bje@au.ibm.com>
3630
3631         * c-opts.c: Include "tm_p.h".
3632         * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency.
3633
3634 2007-09-04  Richard Guenther  <rguenther@suse.de>
3635
3636         PR tree-optimization/33291
3637         * tree-pretty-print.c (dump_generic_node): Dump all
3638         qualifiers for pointer types, not only first.  Dump
3639         qualifiers for aggregate types as well.
3640         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
3641         use the canonical type for building ARRAY_REFs.
3642         * gimplify.c (canonicalize_addr_expr): Clean up.  The
3643         correct validness check is compatibility of the pointer
3644         types.  Always use the canonical type for building
3645         ARRAY_REFs and ADDR_EXPRs.
3646         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
3647         change that disabled propagation of ADDR_EXPRs into statements
3648         with volatile ops.
3649
3650 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3651
3652         * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart)
3653         (umulsi3_highpart): Make into expanders; existing insns are
3654         now named *[insn]_nov6.  Add stars to existing [insn]_v6
3655         counterparts' names.
3656
3657 2007-09-03  Daniel Jacobowitz  <dan@codesourcery.com>
3658
3659         * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
3660         (unprotoize.o): Remove SHLIB_MULTILIB.
3661
3662 2007-09-03  Eric Weddington  <eweddington@cso.atmel.com>
3663
3664         * doc/extend.texi: Document progmem attribute for AVR.
3665
3666 2007-09-03  Anatoly Sokolov <aesok@post.ru>
3667
3668         PR target/28902
3669         * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
3670
3671 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3672
3673         * optabs.c (expand_ffs): Initialize val and defined_at_zero
3674         to avoid warnings.
3675
3676         * optabs.c: Remove unnecessary forward declarations.
3677         (expand_unop_direct): New, broken out of expand_unop.
3678         (expand_doubleword_clz): New.
3679         (expand_ctz): Move above expand_ffs.  Use
3680         start_sequence, end_sequence, add_equal_note, and
3681         expand_unop_direct.  Add more commentary.
3682         (expand_ffs): Try both ctz optab and expand_ctz.
3683         Generate a test and branch if the hardware doesn't give us
3684         a useful value for input zero.  Style improvements similar to
3685         expand_ctz.
3686
3687         * config/arm/arm.md (ffssi2, ctzsi2): Delete.
3688
3689 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3690
3691         * config.gcc: Delete stanza for arm-semi-aof and
3692         armel-semi-aof targets.
3693         * config/arm/arm-protos.h
3694         * config/arm/arm.c
3695         * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
3696         make all #ifndef AOF_ASSEMBLER blocks unconditional.  Also
3697         delete aof_pic_label and remove mention of AOF in comments.
3698         * config/arm/arm.md: Delete patterns used only for AOF assembly.
3699         * config/arm/aof.h
3700         * config/arm/semiaof.h
3701         * config/arm/t-semi: Delete file.
3702
3703 2007-09-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3704
3705         * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
3706         CONST_CAST_BB): New macros for type-specific casts.
3707         (CONST_CAST): Add a TYPE parameter and define it in terms of
3708         CONST_CAST2.
3709
3710         * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
3711         * c-lex.c (cb_ident, lex_string): Likewise,
3712         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
3713         * config/i386/i386.c (ix86_function_regparm,
3714         ix86_function_sseregparm): Use CONST_CAST_TREE.
3715         * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
3716         CONST_CAST.
3717         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
3718         give_switch, set_multilib_dir): Likewise,
3719         * gengtype-parse.c (string_seq, typedef_name): Likewise,
3720         * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
3721         * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
3722         * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
3723         * prefix.c (update_path): Likewise,
3724         * pretty-print.c (pp_base_destroy_prefix): Likewise,
3725         * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
3726         * tree-cfg.c (tree_can_merge_blocks_p,
3727         tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
3728         * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
3729         * tree.c (build_string): Supply a TYPE for CONST_CAST.
3730         (attribute_list_contained): Use CONST_CAST_TREE.
3731
3732 2007-09-03  Krister Walfridsson  <cato@df.lth.se>
3733
3734         * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.
3735
3736 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3737
3738         PR middle-end/33290
3739         * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
3740         before forcing them into a register.
3741
3742 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3743
3744         * config/mips/mips.md (fetchop_bit): Use define_code_iterator
3745         rather than define_code_macro.
3746
3747 2007-09-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3748
3749         * gcc.c (xputenv): New function.
3750         (putenv_from_prefixes): Use xputenv instead of putenv.
3751         (process_command): Use xputenv instead of putenv.
3752         (set_collect_gcc_options): Use xputenv instead of putenv.
3753         (main): Use xputenv instead of putenv.
3754
3755 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3756
3757         * config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe
3758         availability of swap instruction.
3759         * config/cris/cris.md (bswapsi2): Implement using swap instruction.
3760
3761 2007-09-03  Revital Eres  <eres@il.ibm.com>
3762
3763         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update
3764         Documentation.
3765
3766 2007-09-03  Vladimir Yanovsky  <yanov@il.ibm.com>
3767             Ayal Zaks  <zaks@il.ibm.com>
3768             Revital Eres  <eres@il.ibm.com>
3769
3770         * modulo-sched.c (ps_insert_empty_row, verify_partial_schedule,
3771         compute_split_row): New functions.
3772         (ps_unschedule_node): Remove.
3773         (normalize_sched_times): Iterate over the already scheduled
3774         insns instead of the number of nodes.
3775         (MAX_SPLIT_NUM): New definition.
3776         (sms_schedule_by_order): Change the scheduling heuristic to
3777         avoid useless increases of initiation interval ii.
3778         (get_sched_window): Add dump printouts.
3779
3780 2007-09-02  David Daney  <ddaney@avtrex.com>
3781
3782         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP, UNSPEC_SYNC_OLD_OP,
3783         UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE): New define_constants.
3784         (optab, insn): Add more attributes.
3785         (fetchop_bit): New code macro.
3786         (immediate_insn): New code macro attribute.
3787         (sync): Change condition to ISA_HAS_SYNC.
3788         (rdhwr): Change predicate for operand 0 to register_operand.
3789         (memory_barrier): New expand.
3790         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
3791         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
3792         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
3793         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3794         sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns.
3795         * config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates.
3796         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
3797         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
3798         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): New Macros.
3799
3800 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3801             Hans-Peter Nilsson  <hp@axis.com>
3802
3803         * config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO):
3804         Defined to describe availability and behavior of CLZ.
3805         * config/cris/cris.md (clzsi2): Implement using lz instruction.
3806         * config/cris/cris.opt: Tweak comment for "-metrax4".
3807         * config/cris/arit.c (LZ): When defined, define as __builtin_clz.
3808         * longlong.h [__CRIS__ && __CRIS_arch_version >= 3]
3809         (count_leading_zeros): Define.
3810
3811 2007-09-01  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3812
3813         * ggc-page.c (ggc_pch_read): Call validate_free_objects.
3814
3815 2007-09-02  Joseph Myers  <joseph@codesourcery.com>
3816
3817         PR middle-end/33272
3818         * c-decl.c (grokdeclarator): Apply qualifiers to type of parameter
3819         decayed from array.
3820
3821 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3822
3823         * config/arm/arm.c, config/rs6000/ppu_intrinsics.h,
3824         config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c,
3825         ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c,
3826         sched-deps.c, sched-int.h, system.h, target.h,
3827         tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c,
3828         tree.def: Fix comment typos.
3829
3830 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3831
3832         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
3833         (override_options): Turn on -mstrict-align on non-ColdFire
3834         targets.
3835         * config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.
3836
3837 2007-09-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3838
3839         * c-common.c (const_strip_array_types): Delete.
3840         * c-common.h (const_strip_array_types): Likewise.
3841         * emit-rtl.c (const_next_insn, const_previous_insn,
3842         const_next_nonnote_insn, const_prev_nonnote_insn,
3843         const_next_real_insn, const_prev_real_insn,
3844         const_next_active_insn, const_prev_active_insn, const_next_label,
3845         const_prev_label): Delete.
3846         * gimple-low.c (block_may_fallthru): Use expr_last.
3847         * jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn.
3848         * rtl.h (const_previous_insn, const_next_insn,
3849         const_prev_nonnote_insn, const_next_nonnote_insn,
3850         const_prev_real_insn, const_next_real_insn,
3851         const_prev_active_insn, const_next_active_insn, const_prev_label,
3852         const_next_label): Delete.
3853         * rtlanal.c (keep_with_call_p): Use next_nonnote_insn.
3854         * system.h (CONST_CAST): Update comment.
3855         * tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt.
3856         (const_first_stmt, const_last_stmt): Delete.
3857         (tree_block_ends_with_condjump_p): Use last_stmt.
3858         * tree-flow.h (const_first_stmt, const_last_stmt): Delete.
3859         * tree-iterator.c (const_expr_first, const_expr_last,
3860         const_expr_only): Delete.
3861         * tree.c (const_lookup_attribute): Likewise.
3862         (attribute_list_contained): Use lookup_attribute.
3863         * tree.h (const_lookup_attribute, const_expr_first,
3864         const_expr_last, const_expr_only): Delete.
3865
3866 2007-09-01  Richard Guenther  <rguenther@suse.de>
3867
3868         * tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE
3869         instead of TREE_THIS_VOLATILE.
3870         * tree-ssa-operands.c (add_virtual_operand): Do not set
3871         has_volatile_ops.  Do not check s_ann for NULL.
3872         (get_indirect_ref_operands): Likewise.
3873         (get_expr_operands): Likewise.  For all reference trees
3874         set has_volatile_ops based on TREE_THIS_VOLATILE.  Also
3875         check base of reference for TREE_THIS_VOLATILE.
3876
3877 2007-09-01  Richard Guenther  <rguenther@suse.de>
3878
3879         * tree-cfg.c (verify_gimple_expr): Fix check for conversions
3880         between integral types.  Also allow conversions between
3881         pointer types.
3882
3883 2007-08-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3884
3885         * optabs.c (prepare_float_lib_cmp): Use
3886         libgcc_cmp_return_mode instead of word_mode.
3887         * config/dfp-bit.h: Likewise.
3888         * config/fp-bit.h: Likewise.
3889         * config/spu/spu.c (spu_libgcc_cmp_return_mode):
3890         New function.
3891         (spu_libgcc_shift_count_mode): New function.
3892         (TARGET_LIBGCC_CMP_RETURN_MODE): Define.
3893         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define.
3894
3895 2007-08-31  Joseph Myers  <joseph@codesourcery.com>
3896
3897         * tree-pretty-print.c: Include output.h.
3898         (dump_decl_name, dump_generic_node): Use %wd with pp_printf, not
3899         HOST_WIDE_INT_PRINT_DEC.
3900         * Makefile.in (tree-pretty-print.o): Add dependency on output.h.
3901
3902 2007-08-31  Zdenek Dvorak  <ook@ucw.cz>
3903
3904         PR rtl-optimization/33224
3905         * loop-iv.c (latch_dominating_def): Check that the definition belongs
3906         to the analysed region.
3907
3908 2007-08-31  Richard Guenther  <rguenther@suse.de>
3909
3910         * function.c (allocate_struct_function): Do not set
3911         current_function_returns_pointer.
3912         * function.h (struct var_refs_queue): Remove.
3913         (struct simple_obstack_stack): Likewise.
3914         (struct function): Remove fixup_var_refs_queue member.
3915         Remove returns_pointer flag.
3916         (current_function_returns_pointer): Remove define.
3917
3918 2007-08-31  Nick Clifton  <nickc@redhat.com>
3919
3920         * tree-ssa-coalesce.c (compare_pairs): Use the elements as
3921         secondary keys in order to obtain a stable sort.
3922
3923 2007-08-31  Nick Clifton  <nickc@redhat.com>
3924
3925         PR target/33132
3926         * config/m32r/constraints.md: Add W constraint for integer zero.
3927         * config/m32r/m32r.md (get_pc): Use W and i constraints.
3928         Fix length calculation by using alternatives.
3929
3930 2007-08-31  Richard Sandiford  <richard@codesourcery.com>
3931
3932         * optabs.c (shift_optab_p, commutative_optab_p): New functions,
3933         split out from expand_binop.
3934         (avoid_expensive_constant): New function.
3935         (expand_binop_directly): Remove commutative_op argument and
3936         (expand_binop_directly): Remove commutative_op argument and
3937         call cummutative_optab_p instead.  Do not change op0 or op1
3938         when swapping xop0 and xop1.  Apply avoid_expensive_constant
3939         to each argument after potential swapping.  Enforce the
3940         canonical order of commutative operands.
3941         (expand_binop): Use shift_optab_p and commutative_optab_p.
3942         Update the calls to expand_binop_directly.  Only force constants
3943         into registers when widening an operation.  Only swap operands
3944         once a direct expansion has been rejected.
3945         (expand_twoval_binop): Only force constants into registers when
3946         using a direct expansion.
3947
3948 2007-08-31  Maxim Kuvyrkov  <maxim@codesourcery.com>
3949
3950         * sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
3951         (sched_analyze_insn): Don't postprocess speculative dependencies when
3952         target has no scheduling.
3953         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
3954         'uninitialized' warning.
3955
3956 2007-08-31  Richard Guenther  <rguenther@suse.de>
3957
3958         * tree.c (build_complex_type): Always set TYPE_NAME for
3959         comples types.
3960
3961 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3962
3963         * config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
3964         internal macro. Default alignment factor for csect directives, chosen
3965         to match what BIGGEST_ALIGNMENT allows.
3966         (DATA_SECTION_ASM_OP): Use it.
3967         * config/rs6000/rs6000.c
3968         (rs6000_xcoff_output_readonly_section_asm_op):
3969         Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR.
3970         (rs6000_xcoff_output_readwrite_section_asm_op): Likewise.
3971
3972 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3973
3974         * dbxout.c (dbxout_block): Move declaration within the first
3975         #if defined (DBX_DEBUGGING_INFO) block.  Rearrange another such
3976         block to include the definition, together with the associated
3977         helpers.
3978
3979 2007-08-31  David Edelsohn  <edelsohn@gnu.org>
3980             Revital Eres  <eres@il.ibm.com>
3981
3982         * doc/invoke.texi (-mpaired): Document flag.
3983         * config.gcc: Include paired.h in powerpc extra_headers and
3984         750cl.h in powerpc-*-linux*paired*.
3985         * config/rs6000/rs6000.opt (-mpaired): New flag.
3986         * config/rs6000/rs6000.c (paired_init_builtins,
3987         paired_expand_builtin, paired_expand_lv_builtin,
3988         paired_expand_stv_builtin, paired_expand_predicate_builtin):
3989         New functions to support the paired single builtin functions.
3990         (rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE.
3991         (def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired
3992         single builtins.
3993         (bdesc_paired_preds): New structure for paired predicate
3994         instructions.
3995         (rs6000_expand_builtin): Expand paired single builtins.
3996         (rs6000_init_builtins): Init paired single builtins.
3997         (rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf.
3998         Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe
3999         and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf.  Add new types
4000         v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf.
4001         (rs6000_vector_mode_supported_p): Support paired vector mode.
4002         * config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD,
4003         PAIRED_VECTOR_MODE, PAIRED_SIMD_REGNO_P, TARGET_PAIRED_FLOAT):
4004         New.
4005         (LOCAL_ALIGNMENT): Handle PAIRED_VECTOR_MODE.
4006         (DATA_ALIGNMENT): Likewise.
4007         (UNITS_PER_SIMD_WORD): Handle PAIRED_VECTOR_MODE.
4008         (rs6000_builtins): Add PAIRED builtins.
4009         * config/rs6000/rs6000.md: Include paired.md.
4010         * config/rs6000/paired.h: New.
4011         * config/rs6000/paired.md: New.
4012         * config/rs6000/750cl.h: New.
4013         * config/rs6000/spe.md: Recognize movv2sf instruction for 750cl.
4014
4015 2007-08-30  Ollie Wild  <aaw@google.com>
4016
4017         * c-opts.c (c_common_handle_option): Support -fno-directives-only.
4018         * gcc.c (default_compilers): Add -fno-directives-only to
4019         @assembler-with-cpp.
4020
4021 2007-08-30  Sandra Loosemore  <sandra@codesourcery.com>
4022
4023         PR middle-end/33211
4024
4025         * regclass.c (initial_fixed_regs): Revert previous change and make
4026         it const again.
4027         (initial_call_used_regs): Likewise.
4028         (initial_call_really_used_regs): Delete, reverting previous addition.
4029         (initial_reg_names): Likewise.
4030         (init_reg_sets): Revert previous change.
4031         (saved_fixed_regs): New.
4032         (saved_call_used_regs): New.
4033         (saved_call_really_used_regs): New.
4034         (saved_reg_names): New.
4035         (save_register_info): New.
4036         (restore_register_info): New.
4037         (init_reg_sets_1): Replace reset of register info with call to
4038         restore_register_info.
4039         * rtl.h (save_register_info): Declare.
4040         * toplev.c (backend_init): Call save_register_info.
4041
4042 2007-08-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4043
4044         * tree-ssa-propagate.c (set_rhs): Remove the copied annotation
4045         from the original statement.
4046
4047 2007-08-30  Chao-ying Fu  <fu@mips.com>
4048
4049         * c-lex.c (interpret_fixed): Declare.
4050         (interpret_float): Process _Fract and _Accum.
4051         (interpret_fixed): New function.
4052         * final.c (output_addr_const): Process CONST_FIXED.
4053         * simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
4054         (simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
4055         SS_DIV, US_DIV.
4056         (simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
4057         US_DIV, US_ASHIFT.
4058         (simplify_immed_subreg): Support CONST_FIXED.
4059         Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
4060         (simplify_subreg): Support CONST_FIXED.
4061
4062 2007-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4063
4064         * config/rs6000/ppu_intrinsics.h: New file.
4065         * config.gcc (powerpc*-*-* <extra_headers>): Install
4066         ppu_intrinsics.h.
4067
4068 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
4069
4070         * cfg.c (dump_flow_info): Change to also print entry and exit
4071         block info.
4072         * print-rtl.c (print_rtl_single): Allow to print rtl with
4073         -fdump-unnumbered.
4074
4075 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
4076
4077         * df-core.h (df_dump_region): New function.
4078         * df.h (df_dump_region): New function.
4079         * loop-invariant.c (find_defs): Add call to df_dump_region.
4080         * loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to
4081         df_dump_region.
4082
4083 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
4084
4085         PR target/33168
4086         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return
4087         true if any of the compare_section_name calls returned true,
4088         rather than if any returned false.
4089
4090 2007-08-30  Richard Guenther  <rguenther@suse.de>
4091
4092         PR tree-optimization/33199
4093         * tree-ssa-structalias.c (handle_lhs_call): New function.
4094         (find_func_aliases): In non-IPA mode make sure that for
4095         calls that return a pointer we add a constraint for the
4096         result to point to anything.
4097
4098 2007-08-30  Richard Guenther  <rguenther@suse.de>
4099
4100         * doc/invoke.texi (-mveclibabi): Document new target option.
4101         * config/i386/i386.opt (-mveclibabi): New target option.
4102         * config/i386/i386.c (ix86_veclib_handler): Handler for
4103         vectorization library support.
4104         (override_options): Handle the -mveclibabi option, initialize
4105         the vectorization library handler.
4106         (ix86_builtin_vectorized_function): As fallback call the
4107         vectorization library handler, if set.
4108         (ix86_veclibabi_acml): New static function for ACML ABI style
4109         vectorization support.
4110
4111 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
4112
4113         * config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode
4114         used_m, even if it is 32-bit aligned, adjust used_m MEM to have
4115         SImode and update m.  Don't run gen_lowpart_common on arbitrary
4116         memory address, force it to register first.
4117
4118         PR middle-end/32758
4119         * dce.c (dce_process_block): Don't delete setters of
4120         artificially used registers.
4121
4122 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4123
4124         * config/s390/s390.md ("*add<mode>3_alc_carry1_cc",
4125         "*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc",
4126         "*add<mode>3_alc_carry2_cconly"): New insn definitions.
4127
4128 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4129
4130         * config/s390/s390.c (s390_expand_addcc): Emit canonical alc
4131         pattern.
4132         * config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc",
4133         "addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.
4134
4135 2007-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4136
4137         * system.h: Activate -Wcast-qual as warning-only.
4138
4139 2007-08-29  Paolo Bonzini  <bonzini@gnu.org>
4140
4141         PR target/33168
4142         * config/rs6000/rs6000.c (compare_section_name): New function.
4143         (rs6000_elf_in_small_data_p): Compare section prefixes instead
4144         of full name.
4145
4146 2007-08-29  Olivier Hainque  <hainque@adacore.com>
4147
4148         * xcoffout.c: #include debug.h.
4149         * Makefile.in (xcoffout.o): Add debug.h dependency.
4150
4151 2007-08-29  Uros Bizjak  <ubizjak@gmail.com>
4152
4153         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
4154         Change CONST_VECTOR_ELT to XVECEXP in elem calculation.
4155
4156 2007-08-29  Richard Guenther  <rguenther@suse.de>
4157
4158         * tree-pretty-print.c (dump_generic_node): Print
4159         label DECL_UID as D.%u.
4160         * tree-dfa.c (dump_variable): Print DECL_UID as D.%u.
4161
4162 2007-08-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4163
4164         * gcc/builtin-types.def (BT_FN_PTR_PTR_SIZE): New type.
4165         * gcc/builtins.def (BUILT_IN_REALLOC): New builtin.
4166
4167 2007-08-29  Douglas Gregor  <doug.gregor@gmail.com>
4168
4169         PR c++/33194
4170         * tree.c (build_type_attribute_qual_variant): Set canonical types
4171         on the final, unqualified attribute variant before building the
4172         qualified version.
4173
4174 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4175
4176         * config/bfin/bfin.c (bfin_expand_builtin): Fix the argument
4177         order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu.
4178
4179 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4180
4181         Revert
4182         2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4183         * config/bfin/bfin.md (composev2hi): Put operands into vector
4184         with correct order.
4185
4186 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4187
4188         * config/bfin/bfin.md (composev2hi): Put operands into vector
4189         with correct order.
4190
4191 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4192
4193         * config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text
4194         attribute when appropriate.
4195         (bfin_handle_l1_text_attribute): New.
4196         (bfin_handle_l1_data_attribute): New.
4197         (bfin_attribute_table): Add attributes: l1_text, l1_data,
4198         l1_data_A and l1_data_B.
4199         * doc/extend.texi (node Function Attributes): Document l1_text
4200         function attribute.
4201         (Variable Attributes): Add Blackfin subsection. Document l1_data,
4202         l1_data_A and l1_data_B variable attributes.
4203
4204 2007-08-28  Jie Zhang  <jie.zhang@analog.com>
4205
4206         * config/bfin/bfin.opt (minline-plt): Add.
4207         * config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit
4208         call to global functions.
4209         * doc/invoke.texi (Option Summary): Mention -minline-plt.
4210         (Blackfin Options): Document -minline-plt.
4211
4212 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
4213
4214         * config/m68k/m68k.c (m68k_get_function_kind): Assert we're never
4215         given a non-function.
4216         (m68k_ok_for_sibcall_p): Only sibcall functions of the same kind.
4217
4218 2007-08-28  DJ Delorie  <dj@redhat.com>
4219
4220         * config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support.
4221
4222 2007-08-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4223
4224         * system.h (CONST_CAST): Avoid union for gcc-4.0.x.
4225
4226 2007-08-28  Richard Guenther  <rguenther@suse.de>
4227
4228         * tree.h (struct tree_function_decl): Increase size of
4229         function_code bitfield.
4230
4231 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
4232             Kazu Hirata  <kazu@codesourcery.com>
4233
4234         * gcc/config/m68k/linux.h
4235         (M68K_HONOR_TARGET_STRICT_ALIGNMENT): Redefine as 0.
4236         * config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New.
4237         (m68k_return_in_memory): New.
4238         * gcc/config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT):
4239         New.
4240
4241 2007-08-28  Uros Bizjak  <ubizjak@gmail.com>
4242
4243         PR target/32661
4244         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
4245         Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as
4246         operand) when top VEC_SELECT extracts scalar element.
4247         * config/i386/sse.md (*vec_extract_v4si_mem): New pattern.
4248         (*vec_extract_v4sf_mem): Ditto.
4249
4250 2007-08-28  Jakub Jelinek  <jakub@redhat.com>
4251
4252         PR middle-end/32370
4253         * passes.c (init_optimization_passes): Move pass_df_finish
4254         after pass_postreload sublist.
4255
4256         PR rtl-optimization/33148
4257         * simplify-rtx.c (simplify_unary_operation_1): Only optimize
4258         (neg (lt X 0)) if X has scalar int mode.
4259
4260         PR debug/32914
4261         * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
4262         initializer, use build_vector_from_ctor if possible to create
4263         VECTOR_CST out of it.  If vector initializer is not VECTOR_CST
4264         even after this, return NULL.
4265
4266 2007-08-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4267
4268         * c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST.
4269
4270 2007-08-28  Richard Guenther  <rguenther@suse.de>
4271
4272         * tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
4273         (struct tree_function_decl): Make function_code a bitfield.
4274         Add disregard_inline_limits flag.
4275         * cgraphunit.c (cgraph_process_new_functions): Check
4276         DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
4277         (cgraph_preserve_function_body_p): Likewise.
4278         * ipa-inline.c (compute_inline_parameters): Likewise.
4279         * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
4280         for GNU C extern inline functions.
4281         (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
4282         * tree-inline.c (disregard_inline_limits_p): Remove.
4283         * tree-inline.h (disregard_inline_limits_p): Likewise.
4284         * c-common.c (handle_always_inline_attribute): Set
4285         DECL_DISREGARD_INLINE_LIMITS.
4286         * langhooks.c (add_builtin_function): Verify the function code
4287         fits in the bitfield.
4288
4289 2007-08-28  Mircea Namolaru  <namolaru@il.ibm.com>
4290             Vladimir Yanovsky  <yanov@il.ibm.com>
4291             Revital Eres  <eres@il.ibm.com>
4292             Andrey Belevantsev  <abel@ispras.ru>
4293
4294         * config/spu/spu.md: Recognize doloop pattern when -fmodulo-sched
4295         is set.
4296         * modulo-sched.c: Add documentation regarding do-loop.
4297         (doloop_register_get): Change number of arguments to support
4298         the new do-loop pattern and check whether COUNT_REG has no other
4299         occurences in the loop besides in the control part.
4300         (duplicate_insns_of_cycles): Do not duplicate the insn which
4301         changes count_reg as it is already adjusted.
4302         (generate_prolog_epilog): New argument to support the new
4303         do-loop pattern.  Change the subtract instruction to use
4304         expand_simple_binop.  Call duplicate_insns_of_cycles with new
4305         argument.
4306         (sms_schedule): Call doloop_register_get and
4307         generate_prolog_epilog with new argument.  Do not handle loops
4308         with single sets insns with subreg in their lhs.
4309         * loop-doloop.c (doloop_optimize): Support for another do-loop
4310         pattern.
4311         (doloop_condition_get): Gets an instruction instead of a pattern
4312         and change the return condition when the do-loop pattern is
4313         not parallel.
4314         * ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg
4315         deps when considering to not create edges.
4316
4317 2007-08-27  Alexandre Oliva  <aoliva@redhat.com>
4318
4319         * doc/extend.texi (gnu_inline funtion attribute): Document C++
4320         behavior.
4321
4322 2007-08-27  Jason Merrill  <jason@redhat.com>
4323
4324         PR c++/31337
4325         * gimplify.c (gimplify_modify_expr): Discard the assignment of
4326         zero-sized types after calling gimplify_modify_expr_rhs.
4327
4328 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
4329
4330         * regclass.c (init_reg_autoinc): Fix typo.
4331
4332 2007-08-27  Daniel Berlin  <dberlin@dberlin.org>
4333
4334         Fix PR tree-optimization/33173
4335         * tree-ssa-alias.c (find_used_portions): Fix reversed test.
4336
4337 2007-08-27  H.J. Lu  <hongjiu.lu@intel.com>
4338
4339         PR target/31385
4340         * config/i386/i386.h (VALID_DFP_MODE_P): New.
4341         * config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in
4342         GPR.
4343
4344 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
4345             David Ung  <davidu@mips.com>
4346             Nigel Stephens <nigel@mips.com>
4347
4348         Separate target-specific initialization from general
4349         back-end initialization.
4350
4351         * toplev.c (init_alignments): New, split out from...
4352         (process_options): ...here.
4353         (backend_init_target): New, split out from...
4354         (backend_init): ...here.
4355         (lang_dependent_init_target): New, split out from...
4356         (lang_dependent_init): ...here.
4357         (target_reinit): New.
4358         * toplev.h (target_reinit): Declare.
4359         * expr.c (init_expr_target): Renamed from init_expr_once, since it
4360         now can be called more than once.  Update comments.
4361         * expr.h (init_expr_target): Likewise.
4362         * alias.c (init_alias_target): Renamed from init_alias_once, since it
4363         now can be called more than once.  Explicitly zero
4364         static_reg_base_value.
4365         * emit-rtl.c (init_emit_regs): New, split out from...
4366         (init_emit_once): Here.
4367         * regclass.c (initial_fixed_regs, initial_call_used_regs): Make
4368         non-const, so that changes from command-line arguments can overwrite
4369         values provided by the static initializers.
4370         (initial_call_really_used_regs): New, used similarly to the above.
4371         (initial_reg_names): Likewise.
4372         (last_mode_for_init_move_cost): Promoted function-local static to
4373         file-scope static to make it accessible outside init_move_cost.
4374         (init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
4375         Do not initialize inv_reg_alloc_order yet, either.  Do initialize
4376         reg_names since it is needed for parsing command-line options.
4377         (init_move_cost): Use last_mode_for_init_move_cost instead of
4378         function-local static.
4379         (init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
4380         call_really_used_regs now.  Reinitialize reg_names.  Also
4381         initialize inv_reg_alloc_order.  Zero reg_class_subunion and
4382         reg_class_superunion.  Clear losing_caller_save_reg_set.
4383         Preserve global registers if called more than once.  Reset
4384         move cost, may_move_in_cost, may_move_out_cost, and
4385         last_mode_for_init_move_cost.
4386         (init_reg_modes_target): Renamed from init_reg_modes_once, since it
4387         can now be invoked more than once.  Update comments.
4388         (init_regs): Update comments.
4389         (fix_register): Update initial_fixed_regs, initial_call_used_regs,
4390         and initial_call_really_used_regs, instead of the non-initial
4391         variables.  This allows us to save the command-line register settings
4392         after target reinitialization.
4393         (init_reg_autoinc): Zero forbidden_inc_dec_classes.
4394         * rtl.h (init_emit_regs): Declare.
4395         (init_reg_modes_target, init_alias_target): Renamed as described
4396         above.
4397         * reload1.c (init_reload): Update comments.
4398         * optabs.c (init_optabs): Likewise.
4399         * cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
4400
4401 2007-08-26  Chao-ying Fu  <fu@mips.com>
4402
4403         * rtl.h (XCNMPFV): Preserve const-ness of parameters through use of
4404         __typeof().
4405
4406 2007-08-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4407
4408         * alias.c (memory_modified_1, memory_modified_in_insn_p):
4409         Constify.
4410         * basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
4411         Likewise.
4412         * bb-reorder.c (copy_bb_p): Likewise.
4413         * cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
4414         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4415         block_ends_with_condjump_p): Likewise.
4416         * cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
4417         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4418         block_ends_with_condjump_p): Likewise.
4419         * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
4420         * cfgrtl.c (can_delete_note_p, can_delete_label_p,
4421         rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
4422         rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
4423         need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
4424         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
4425         debug_true_const_tree instad of debug_true_tree.
4426         * debug.c (do_nothing_debug_hooks): Likewise.
4427         * debug.h (ignore_block, debug_true_const_tree): Constify.
4428         * dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
4429         dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
4430         decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
4431         same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
4432         dbx_reg_number, is_based_loc, field_type,
4433         simple_type_align_in_bits, simple_decl_align_in_bits,
4434         simple_type_size_in_bits, field_byte_offset, insert_float,
4435         type_tag, member_declared_type, is_redundant_typedef,
4436         secname_for_decl, is_inlined_entry_point): Likewise.
4437         * emit-rtl.c (const_next_insn, const_previous_insn,
4438         const_next_nonnote_insn, const_prev_nonnote_insn,
4439         const_next_real_insn, const_prev_real_insn,
4440         const_next_active_insn, const_prev_active_insn, const_next_label,
4441         const_prev_label): Likewise.
4442         * except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
4443         Likewise.
4444         * haifa-sched.c (may_trap_exp, haifa_classify_insn,
4445         find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
4446         sched_insn_is_legitimate_for_speculation_p): Likewise.
4447         * jump.c (reversed_comparison_code_parts,
4448         reversed_comparison_code, reversed_comparison, condjump_label):
4449         Likewise.
4450         * predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
4451         * reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
4452         Likewise.
4453         * rtl.h (const_previous_insn, const_next_insn,
4454         const_prev_nonnote_insn, const_next_nonnote_insn,
4455         const_prev_real_insn, const_next_real_insn,
4456         const_prev_active_insn, const_next_active_insn, const_prev_label,
4457         const_next_label, modified_between_p, modified_in_p,
4458         const_note_storeskeep_with_call_p, condjump_label,
4459         reversed_comparison, reversed_comparison_code,
4460         reversed_comparison_code_parts, memory_modified_in_insn_p,
4461         stack_regs_mentioned): Likewise.
4462         * rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
4463         keep_with_call_p): Likewise.
4464         * sched-deps.c (deps_may_trap_p, sched_get_condition,
4465         conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
4466         sd_lists_size, sd_lists_empty_p): Likewise.
4467         * sched-int.h (sched_insns_conditions_mutex_p,
4468         haifa_classify_insn, no_real_insns_p,
4469         sched_insn_is_legitimate_for_speculation_p, sd_next_list,
4470         sd_lists_size, sd_lists_empty_p): Likewise.
4471         * sdbout.c (sdb_debug_hooks): Likewise.
4472         * tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
4473         stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
4474         -tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
4475         Likewise.
4476         * tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
4477         tree_can_throw_internal): Likewise.
4478         * tree-flow-inline.h (phi_nodes): Likewise.
4479         * tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
4480         tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
4481         * tree-gimple.c (const_get_call_expr_in): Likewise.
4482         * tree-gimple.h (const_get_call_expr_in): Likewise.
4483         * tree.c (const_lookup_attribute, attribute_list_equal,
4484         attribute_list_contained): Likewise.
4485         * tree.h (attribute_list_equal, attribute_list_contained,
4486         const_lookup_attribute): Likewise.
4487         * vmsdbgout.c (vmsdbgout_ignore_block): Likewise.
4488
4489 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4490
4491         * tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c,
4492         tree-ssa-pre.c: Remove unnecessary trailing whitespace.
4493
4494 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4495
4496         PR target/32991
4497         * config/alpha/constraints.md: Delete "svn:mime-type" property
4498         with svn propdel "svn:mime-type".
4499
4500 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4501
4502         PR middle-end/33181
4503         * ifcvt.c (noce_get_alt_condition): Make sure that the previous
4504         non NOTE insn doesn't cross basic block.
4505         (noce_try_abs): Likewise.
4506         (noce_process_if_block): Likewise.
4507
4508 2007-08-26  David Edelsohn  <edelsohn@gnu.org>
4509
4510         PR target/33151
4511         * config/rs6000/predicates.md (offsettable_mem_operand): Memory
4512         operand without auto-inc-dec.
4513         * config/rs6000/rs6000.md (floatsidf2_internal): Use
4514         offsettable_mem_operand.
4515         (floatunssidf2_internal): Same.
4516         (fix_truncdfsi2_internal): Same.
4517         (floatsidf_ppc64): Same.
4518         (floatunssidf_ppc64): Same.
4519         (fix_trunctfsi2_internal): Same.
4520
4521 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4522
4523         PR bootstrap/30620
4524         * Makefile.in (libbackend.o): Add gcov-iov.h dependency and
4525         pass defines needed for version.c.
4526
4527 2007-08-25  Joseph Myers  <joseph@codesourcery.com>
4528
4529         * configure.ac (--debug-prefix-map check): Change assembler
4530         version presumed to have feature to 2.18.
4531         * configure: Regenerate.
4532
4533 2007-08-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4534
4535         * c-common.c (vector_types_convertible_p,
4536         decl_with_nonnull_addr_p, c_promoting_integer_type_p,
4537         self_promoting_args_p): Constify.
4538         * c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
4539         c_promoting_integer_type_p, self_promoting_args_p,
4540         anon_aggr_type_p, vector_types_convertible_p): Likewise.
4541         * c-decl.c (anon_aggr_type_p): Likewise.
4542         * * c-dump.c (dump_stmt): Likewise.
4543         * c-objc-common.c (has_c_linkage): Likewise.
4544         * c-tree.h (same_translation_unit_p): Likewise.
4545         * c-typeck.c (null_pointer_constant_p,
4546         tagged_types_tu_compatible_p, function_types_compatible_p,
4547         type_lists_compatible_p, lvalue_or_else, lvalue_p,
4548         comptypes_internal, struct tagged_tu_seen_cache,
4549         same_translation_unit_p, alloc_tagged_tu_seen_cache,
4550         c_size_in_bytes): Likewise.
4551         * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
4552         hash_ptr, eq_ptr): Likewise.
4553         * langhooks-def.h (lhd_decl_ok_for_sibcall,
4554         LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise.
4555         * langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
4556         * langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
4557         Likewise.
4558         * optabs.c (optab_for_tree_code): Likewise.
4559         * optabs.h (optab_for_tree_code): Likewise.
4560         * rtl.h (simplify_rtx): Likewise.
4561         * simplify-rtx.c (simplify_rtx): Likewise.
4562         * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
4563         dump_flag, dump_node): Likewise.
4564         * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
4565         queue_and_dump_type, dump_flag): Likewise.
4566         * tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
4567         * tree-pass.h (dump_node): Likewise.
4568         * tree-vectorizer.c (vect_can_force_dr_alignment_p,
4569         supportable_narrowing_operation): Likewise.
4570         * tree-vectorizer.h (vect_can_force_dr_alignment_p,
4571         supportable_narrowing_operation): Likewise.
4572         * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
4573         is_negative_overflow_infinity, is_positive_overflow_infinity,
4574         is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
4575         nonnull_arg_p, get_value_range, vrp_operand_equal_p,
4576         update_value_range, add_equivalence, ssa_name_nonnegative_p,
4577         ssa_name_nonzero_p, fp_predicate): Likewise.
4578         * tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
4579         * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
4580         ssa_name_nonnegative_p): Likewise.
4581
4582 2007-08-25  Hans Kester  <hans.kester@ellips.nl>
4583
4584         * config.gcc : Add x86_64-elf target.
4585
4586 2007-08-25  Jakub Jelinek  <jakub@redhat.com>
4587
4588         * expr.c (store_expr): Fix order of store_by_pieces arguments.
4589
4590 2007-08-24  Sandra Loosemore  <sandra@codesourcery.com>
4591             Nigel Stephens <nigel@mips.com>
4592
4593         PR target/11787
4594
4595         * doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros.
4596         (STORE_BY_PIECES_P): No longer applies to __builtin_memset.
4597         * expr.c (SET_BY_PIECES_P): Define.
4598         (can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use
4599         it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P.
4600         (store_expr): Pass MEMSETP argument to can_store_by_pieces and
4601         store_by_pieces.
4602         * expr.h (SET_RATIO): Define.
4603         (can_store_by_pieces, store_by_pieces): Update prototypes.
4604         * builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to
4605         can_store_by_pieces/store_by_pieces.
4606         (expand_builtin_memcpy_args): Likewise.
4607         (expand_builtin_strncpy): Likewise.
4608         (expand_builtin_memset_args): Likewise.  Also remove special case
4609         for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can
4610         decide what to do instead.
4611         * value-prof.c (tree_stringops_transform): Pass MEMSETP argument
4612         to can_store_by_pieces.
4613
4614         * config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P.
4615         * config/s390/s390.h (SET_BY_PIECES_P): Likewise.
4616
4617         * config/mips/mips.opt (mmemcpy): Change from Var to Mask.
4618         * config/mips/mips.c (override_options): Make -Os default to -mmemcpy.
4619         * config/mips/mips.h (MIPS_CALL_RATIO): Define.
4620         (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Define.
4621         (STORE_BY_PIECES_P): Define.
4622
4623 2007-08-24  Tom Tromey  <tromey@redhat.com>
4624
4625         * varpool.c (varpool_last_needed_node): Fix comment typo.
4626         * c-decl.c (duplicate_decls): Fix comment typo.
4627         (clone_underlying_type): Update comment.
4628
4629 2007-08-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4630
4631         * config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp,
4632         alpha_in_small_data_p, alpha_split_complex_arg,
4633         alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4634         Constify.
4635         * config/arm/arm-protos.h (arm_mangle_type): Likewise.
4636         * config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type):
4637         Likewise.
4638         * config/bfin/bfin.c (funkind, bfin_comp_type_attributes,
4639         TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4640         * config/darwin-protos.h (darwin_binds_local_p): Likewise.
4641         * config/darwin.c (darwin_binds_local_p): Likewise.
4642         * config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p):
4643         Likewise.
4644         * config/i386/i386-protos.h (i386_pe_binds_local_p,
4645         i386_pe_valid_dllimport_attribute_p): Likewise.
4646         * config/i386/i386.c (ix86_function_regparm,
4647         ix86_comp_type_attributes, ix86_ms_bitfield_layout_p,
4648         x86_can_output_mi_thunk, ix86_mangle_type,
4649         TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4650         * config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p,
4651         i386_pe_binds_local_p): Likewise.
4652         * config/ia64/ia64.c
4653         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4654         ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type,
4655         ia64_invalid_conversion, ia64_invalid_unary_op,
4656         ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4657         Likewise.
4658         * config/m32c/m32c.c (m32c_comp_type_attributes): Likewise.
4659         * config/m32r/m32r.c (m32r_in_small_data_p): Likewise.
4660         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4661         * config/mips/mips.c (mips_use_blocks_for_constant_p,
4662         mips_in_small_data_p, mips_use_anchors_for_symbol_p,
4663         mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4664         mips_near_type_p, mips_far_type_p, mips_global_symbol_p,
4665         mips_symbol_binds_local_p, mips_classify_symbol): Likewise.
4666         * config/pa/pa.c (pa_commutative_p): Likewise.
4667         * config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p):
4668         Likewise.
4669         * config/rs6000/rs6000.c (rs6000_invalid_within_doloop,
4670         rs6000_ms_bitfield_layout_p, rs6000_mangle_type,
4671         rs6000_use_blocks_for_constant_p,
4672         rs6000_vector_alignment_reachable, rs6000_is_opaque_type,
4673         invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4674         TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise.
4675         * config/s390/s390.c (s390_mangle_type,
4676         TARGET_ASM_CAN_OUTPUT_MI_THUNK, TARGET_INVALID_WITHIN_DOLOOP):
4677         Likewise.
4678         * config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4679         th_in_small_data_p): Likewise.
4680         * config/sh/sh.c (sh_ms_bitfield_layout_p,
4681         sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4682         Likewise.
4683         * config/sparc/sparc.c (sparc_can_output_mi_thunk,
4684         sparc_mangle_type): Likewise.
4685         * config/spu/spu.c (spu_vector_alignment_reachable): Likewise.
4686         * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise.
4687         * emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq):
4688         Likewise.
4689         * hooks.c (hook_bool_mode_const_rtx_false,
4690         hook_bool_mode_const_rtx_true,
4691         hook_bool_const_tree_hwi_hwi_const_tree_false,
4692         hook_bool_const_tree_hwi_hwi_const_tree_true,
4693         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4694         hook_constcharptr_const_tree_null,
4695         hook_constcharptr_const_rtx_null,
4696         hook_constcharptr_const_tree_const_tree_null,
4697         hook_constcharptr_int_const_tree_null,
4698         hook_constcharptr_int_const_tree_const_tree_null): New.
4699         (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4700         hook_bool_tree_hwi_hwi_tree_false,
4701         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4702         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4703         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4704         hook_constcharptr_int_tree_null,
4705         hook_constcharptr_int_tree_tree_null): Delete.
4706         (default_can_output_mi_thunk_no_vcall): Constify.
4707         * hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4708         hook_bool_tree_hwi_hwi_tree_false,
4709         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4710         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4711         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4712         hook_constcharptr_int_tree_null,
4713         hook_constcharptr_int_tree_tree_null): Delete.
4714         (hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
4715         hook_bool_const_tree_hwi_hwi_const_tree_false,
4716         hook_bool_const_tree_hwi_hwi_const_tree_true,
4717         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4718         hook_constcharptr_const_tree_null,
4719         hook_constcharptr_const_rtx_null,
4720         hook_constcharptr_const_tree_const_tree_null,
4721         hook_constcharptr_int_const_tree_null,
4722         hook_constcharptr_int_const_tree_const_tree_null): New.
4723         (default_can_output_mi_thunk_no_vcall): Constify.
4724         * integrate.c (function_attribute_inlinable_p): Likewise.
4725         * integrate.h (function_attribute_inlinable_p): Likewise.
4726         * jump.c (rtx_renumbered_equal_p): Likewise.
4727         * output.h (decl_readonly_section, categorize_decl_for_section,
4728         default_use_anchors_for_symbol_p, default_binds_local_p,
4729         default_binds_local_p_1): Likewise.
4730         * rtl.h (rtx_renumbered_equal_p, decl_default_tls_model):
4731         Likewise.
4732         * target-def.h (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4733         TARGET_VALID_DLLIMPORT_ATTRIBUTE_P, TARGET_VECTOR_OPAQUE_P,
4734         TARGET_COMMUTATIVE_P, TARGET_USE_BLOCKS_FOR_CONSTANT_P,
4735         TARGET_COMP_TYPE_ATTRIBUTES,
4736         TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,
4737         TARGET_MS_BITFIELD_LAYOUT_P, TARGET_MANGLE_TYPE,
4738         TARGET_IN_SMALL_DATA_P, TARGET_INVALID_CONVERSION,
4739         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
4740         TARGET_DWARF_CALLING_CONVENTION): Likewise.
4741         * target.h (can_output_mi_thunk, needs_block_p,
4742         first_cycle_multipass_dfa_lookahead_guard_spec,
4743         vector_alignment_reachable, comp_type_attributes,
4744         function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type,
4745         commutative_p, use_blocks_for_constant_p,
4746         use_anchors_for_symbol_p, in_small_data_p, binds_local_p,
4747         vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook,
4748         invalid_within_doloop, valid_dllimport_attribute_p,
4749         split_complex_arg, invalid_arg_for_unprototyped_fn,
4750         invalid_conversion, invalid_unary_op, invalid_binary_op):
4751         Likewise.
4752         * targhooks.c (default_invalid_within_doloop,
4753         hook_invalid_arg_for_unprototyped_fn,
4754         default_builtin_vector_alignment_reachable): Likewise.
4755         (hook_bool_rtx_commutative_p): Delete.
4756         (hook_bool_const_rtx_commutative_p): New.
4757         * targhooks.h (default_invalid_within_doloop,
4758         default_builtin_vector_alignment_reachable,
4759         hook_invalid_arg_for_unprototyped_fn): Constify.
4760         (hook_bool_rtx_commutative_p): Delete.
4761         (hook_bool_const_rtx_commutative_p): New.
4762         * varasm.c (bss_initializer_p, decl_default_tls_model,
4763         categorize_decl_for_section, decl_readonly_section,
4764         default_use_anchors_for_symbol_p, default_binds_local_p,
4765         default_binds_local_p_1): Constify.
4766
4767 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4768
4769         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4770         __NO_BUILTIN if -fno-builtin.
4771
4772 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4773
4774         * config/bfin/bfin.c (print_operand): Report error instead of
4775         ICE for wrong operand.
4776
4777 2007-08-24  Michael Matz  <matz@suse.de>
4778
4779         * Makefile.in (GTFILES_H): Use $(patsubst) instead of $(subst).
4780
4781 2007-08-24  Richard Guenther  <rguenther@suse.de>
4782
4783         PR middle-end/33166
4784         * tree-ssa.c (useless_type_conversion_p): Split into a
4785         recursive and a non-recursive part.
4786         (useless_type_conversion_p_1): New function.
4787         * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result
4788         from maybe_fold_offset_to_reference is trivially convertible
4789         to the desired type before doing the simplification.
4790
4791 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4792
4793         * expr.c (store_expr): Optimize initialization of an array
4794         with STRING_CST.
4795         * expr.h (builtin_strncpy_read_str): New prototype.
4796         * builtins.c (builtin_strncpy_read_str): Remove prototype.
4797         No longer static.
4798
4799 2007-08-24  Uros Bizjak  <ubizjak@gmail.com>
4800
4801         PR middle-end/33157
4802         * ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
4803         field when initializing if_info structure.
4804
4805 2007-08-24  Richard Guenther  <rguenther@suse.de>
4806
4807         * Makefile.in (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H)
4808         dependencies.
4809         * c-objc-common.c (c_cannot_inline_tree_fn): Remove.
4810         * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise.
4811         * tree-inline.c (inlinable_function_p): Fold in common parts of
4812         the cannot_inline_tree_fn langhook.
4813         * langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove.
4814         (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): Likewise.
4815         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
4816         cannot_inline_tree_fn langhook.
4817         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4818         cannot_inline_tree_fn member.
4819
4820 2007-08-24  Richard Guenther  <rguenther@suse.de>
4821
4822         * expr.c (get_inner_reference): Do computation of bitoffset
4823         from offset in a way we can detect overflow reliably.
4824
4825 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4826
4827         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc.
4828
4829 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4830
4831         * config/bfin/bfin.opt (mfast-fp): Add.
4832         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let
4833         libbffastfp override libgcc if -mfast-fp.
4834         * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
4835         * doc/invoke.texi (Option Summary): Mention -mfast-fp.
4836         (Blackfin Options): Document -mfast-fp.
4837
4838 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4839
4840         PR tree-optimization/32573
4841         PR middle-end/32946
4842         * tree-data-ref.c (initialize_data_dependence_relation): Clear
4843         DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning.
4844         (finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
4845         (build_classic_dist_vector): Return false rather than true if
4846         DDR_ARE_DEPENDENT is non-NULL at the beginning.  Return false
4847         if either subscript_dependence_tester_1 or build_classic_dist_vector_1
4848         returned false.  Don't call save_dist_v before calling
4849         build_classic_dist_vector_1.
4850         (free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
4851         with NULL DDR_ARE_DEPENDENT.  Also free DDR_DIST_VECTS and/or
4852         DDR_DIR_VECTS vectors.
4853
4854 2007-08-23  Brian Sidebotham  <brian.sidebotham@gmail.com>
4855
4856         * configure.ac (leb128): Modify sed statement to work with any
4857         binutils version string.
4858         * configure: Regenerate
4859
4860 2007-08-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4861
4862         * config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
4863         Wrap in RTX_CODE macro guard.
4864         * config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
4865         arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
4866         arm_mark_dllimport, arm_pe_encode_section_info,
4867         arm_pe_unique_section): Use ISO-C function declarations.
4868         * config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
4869         c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
4870         c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
4871         Likewise.
4872         * config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
4873         * config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
4874         defining.
4875         * config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
4876         warnings.
4877         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
4878         * config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
4879         (register_move_cost): Use ISO-C function declarations.
4880         * config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
4881         * config/score/score-protos.h (score_declare_object): Add
4882         ATTRIBUTE_PRINTF_4.
4883         * config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
4884         warnings.
4885         * final.c (profile_function): Avoid empty if-bodies.
4886
4887
4888         * calls.c (must_pass_in_stack_var_size,
4889         must_pass_in_stack_var_size_or_pad): Constify.
4890         * config/alpha/alpha-protos.h (function_value): Likewise.
4891         * config/alpha/alpha.c (alpha_return_in_memory,
4892         alpha_pass_by_reference, function_value,
4893         unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
4894         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4895         Likewise.
4896         * config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
4897         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4898         TARGET_PROMOTE_PROTOTYPES): Likewise.
4899         * config/arm/arm-protos.h (arm_return_in_memory,
4900         arm_pad_arg_upward, arm_function_value): Likewise.
4901         * config/arm/arm.c (arm_pass_by_reference,
4902         arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
4903         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4904         arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
4905         Likewise.
4906         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4907         * config/avr/avr-protos.h (avr_function_value): Likewise.
4908         * config/avr/avr.c (avr_return_in_memory,
4909         gas_output_limited_string, gas_output_ascii, avr_function_value,
4910         avr_return_in_memory): Likewise.
4911         * config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
4912         * config/bfin/bfin.c (bfin_pass_by_reference,
4913         bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
4914         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN):
4915         Likewise.
4916         * config/cris/cris.c (cris_pass_by_reference,
4917         TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
4918         * config/crx/crx.c (crx_return_in_memory): Likewise.
4919         * config/darwin.c (function_base, machopic_function_base_name):
4920         Likewise.
4921         * config/fr30/fr30.c (fr30_must_pass_in_stack,
4922         TARGET_PROMOTE_PROTOTYPES): Likewise.
4923         * config/frv/frv.c (frv_must_pass_in_stack): Likewise.
4924         * config/h8300/h8300.c (h8300_return_in_memory): Likewise.
4925         * config/i386/i386-protos.h (ix86_return_in_memory,
4926         ix86_sol10_return_in_memory): Likewise.
4927         * config/i386/i386.c (ix86_function_value,
4928         ix86_function_sseregparm, ix86_must_pass_in_stack,
4929         type_natural_mode, classify_argument, examine_argument,
4930         construct_container, ix86_pass_by_reference, function_value_32,
4931         function_value_64, ix86_function_value_1, return_in_memory_32,
4932         return_in_memory_64, return_in_memory_ms_64,
4933         ix86_return_in_memory, ix86_sol10_return_in_memory,
4934         TARGET_PROMOTE_PROTOTYPES): Likewise.
4935         * config/ia64/ia64-protos.h (ia64_function_value,
4936         ia64_hpux_function_arg_padding): Likewise.
4937         * config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
4938         ia64_function_value, bundle_state_hash, bundle_state_eq_p,
4939         ia64_hpux_function_arg_padding): Likewise.
4940         * config/iq2000/iq2000-protos.h (function_arg,
4941         iq2000_function_value): Likewise.
4942         * config/iq2000/iq2000.c (iq2000_return_in_memory,
4943         iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
4944         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4945         function_arg, iq2000_function_value): Likewise.
4946         * config/m32c/m32c-protos.h (m32c_function_value,
4947         m32c_promote_function_return): Likewise.
4948         * config/m32c/m32c.c (m32c_pass_by_reference,
4949         m32c_promote_prototypes, m32c_promote_function_return,
4950         m32c_function_value): Likewise.
4951         * config/m32r/m32r.c (m32r_return_in_memory,
4952         m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4953         m32r_in_small_data_p): Likewise.
4954         * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
4955         Likewise.
4956         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
4957         m68hc11_function_arg_padding): Likewise.
4958         * config/m68k/m68k-protos.h (m68k_function_value): Likewise.
4959         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
4960         m68k_function_value): Likewise.
4961         * config/mcore/mcore-protos.h (mcore_num_arg_regs,
4962         mcore_function_value): Likewise.
4963         * config/mcore/mcore.c (handle_structs_in_regs,
4964         mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4965         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4966         mcore_num_arg_regs, mcore_function_value): Likewise.
4967         * config/mips/mips-protos.h (mips_pad_arg_upward,
4968         mips_function_value): Likewise.
4969         * config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
4970         mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
4971         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4972         TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
4973         mips_function_value): Likewise.
4974         * config/mmix/mmix-protos.h (mmix_function_outgoing_value):
4975         Likewise.
4976         * config/mmix/mmix.c (mmix_pass_by_reference,
4977         TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
4978         mmix_encode_section_info): Likewise.
4979         * config/mn10300/mn10300-protos.h (mn10300_function_value):
4980         Likewise.
4981         * config/mn10300/mn10300.c (mn10300_return_in_memory,
4982         mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4983         mn10300_function_value): Likewise.
4984         * config/mt/mt-protos.h (mt_function_value): Likewise.
4985         * config/mt/mt.c (mt_pass_by_reference, mt_function_value,
4986         mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
4987         * config/pa/pa-protos.h (function_arg_padding, function_value,
4988         pa_return_in_memory): Likewise.
4989         * config/pa/pa.c (pa_pass_by_reference,
4990         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4991         function_arg_padding, function_value, pa_return_in_memory):
4992         Likewise.
4993         * config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
4994         * config/rs6000/rs6000-protos.h (rs6000_function_value,
4995         function_arg_padding): Likewise.
4996         * config/rs6000/rs6000.c (rs6000_return_in_memory,
4997         rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
4998         rs6000_pass_by_reference, rs6000_must_pass_in_stack,
4999         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
5000         function_arg_padding, altivec_expand_dst_builtin,
5001         altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
5002         altivec_init_builtins, rs6000_common_init_builtins,
5003         rs6000_function_value): Likewise.
5004         * s390/s390-protos.h (s390_function_value): Likewise.
5005         * config/s390/s390.c (s390_function_arg_size,
5006         s390_pass_by_reference, s390_return_in_memory,
5007         s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
5008         TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
5009         * config/score/score-protos.h (score_function_value): Likewise.
5010         * config/score/score.c (score_arg_partial_bytes,
5011         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
5012         TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
5013         score_pass_by_reference, score_add_offset, score_function_value):
5014         Likewise.
5015         * config/sh/sh-protos.h (sh_attr_renesas_p,
5016         sh_promote_prototypes): Likewise.
5017         * config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
5018         sh_callee_copies, sh_promote_prototypes, shcompact_byref,
5019         sh_attr_renesas_p): Likewise.
5020         * config/sparc/sparc-protos.h (function_value,
5021         function_arg_padding): Likewise.
5022         * config/sparc/sparc.c (sparc_promote_prototypes,
5023         sparc_return_in_memory, sparc_pass_by_reference,
5024         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
5025         function_arg_record_value_2, function_arg_record_value_1,
5026         function_arg_record_value, function_arg_record_value,
5027         function_arg_padding, function_value): Likewise.
5028         * config/spu/spu-protos.h (spu_function_value): Likewise.
5029         * config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
5030         spu_function_value): Likewise.
5031         * config/stormy16/stormy16-protos.h (xstormy16_function_value):
5032         Likewise.
5033         * config/stormy16/stormy16.c (xstormy16_return_in_memory,
5034         xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
5035         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
5036         Likewise.
5037         * config/v850/v850.c (v850_return_in_memory,
5038         v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
5039         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
5040         * config/xtensa/xtensa.c (xtensa_return_in_msb,
5041         xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
5042         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
5043         Likewise.
5044         * explow.c (promote_mode, hard_function_value): Likewise.
5045         * expr.h (hard_function_value, promote_mode): Likewise.
5046         * function.c (aggregate_value_p): Likewise.
5047         * hooks.c (hook_bool_const_tree_true): New.
5048         * hooks.h (hook_bool_const_tree_true): New.
5049         * sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
5050         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
5051         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
5052         TARGET_RETURN_IN_MSB): Likewise.
5053         * target.h (promote_function_args, promote_function_return,
5054         promote_prototypes, return_in_memory, return_in_msb,
5055         pass_by_reference, must_pass_in_stack, callee_copies,
5056         function_value): Likewise.
5057         * targhooks.c (default_return_in_memory,
5058         hook_pass_by_reference_must_pass_in_stack,
5059         hook_callee_copies_named,
5060         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
5061         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
5062         default_function_value): Likewise.
5063         * targhooks.h (default_return_in_memory,
5064         hook_pass_by_reference_must_pass_in_stack,
5065         hook_callee_copies_named,
5066         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
5067         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
5068         default_function_value): Likewise.
5069         * tree-ssa-structalias.c (const_equiv_class_label_t): New.
5070         (equiv_class_label_hash, equiv_class_label_eq): Constify.
5071         * tree-vectorizer.c (bb_in_loop_p): Likewise.
5072         * tree.c (needs_to_live_in_memory): Likewise.
5073         * tree.h (struct tree_type, needs_to_live_in_memory,
5074         aggregate_value_p, must_pass_in_stack_var_size,
5075         must_pass_in_stack_var_size_or_pad): Likewise.
5076         * vmsdbgout.c (write_debug_addr, write_debug_delta4,
5077         write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
5078         lookup_filename): Likewise.
5079
5080 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
5081
5082         PR target/17390
5083         * config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to
5084         fake fcomi i387 instruction for !TARGET_CMOVE.
5085         (ix86_expand_branch): Expand natural sequence with one jump for
5086         all targets, not only TARGET_CMOVE.
5087         * config/i386/i386.md (*cmpfp_0_cc): New define_insn_and_split
5088         pattern to implement fake fcomi sequence.  Split instruction after
5089         reload to correct compare sequences.
5090         (*cmpfp_xf_cc): Ditto.
5091         (*cmpfp_<mode>_cc): Ditto.
5092         (*cmpfp_u_cc): Ditto.
5093         (*cmpfp_<mode>_cc): Ditto.
5094
5095 2007-08-23  Richard Guenther  <rguenther@suse.de>
5096
5097         * tree-pretty-print.c (dump_generic_node): Annotate
5098         GIMPLE_MODIFY_STMTs with volatile ops with "{v}".
5099
5100 2007-08-23  Richard Guenther  <rguenther@suse.de>
5101
5102         * builtins.c (expand_builtin_mathfn): Wrap argument in
5103         save_expr directly instead of re-building the call.
5104         (expand_builtin_mathfn_2): Likewise.
5105         (expand_builtin_mathfn_3): Likewise.
5106         (expand_builtin_interclass_mathfn): Likewise.
5107         (expand_builtin_int_roundingfn): Set arg.
5108         (expand_builtin_int_roundingfn_2): Likewise.
5109
5110 2007-08-23  Paolo Bonzini  <bonzini@gnu.org>
5111
5112         * config/i386/sse.md (*sse_and<mode>3, *sse_ior<mode>3,
5113         *sse_nand<mode>3, *sse_xor<mode>3): New.
5114
5115 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
5116
5117         * config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code.
5118         * config/i386/i386.c (print_operand): Handle ';' code.  Output
5119         semicolon for TARGET_MACHO.
5120         * config/i386/sync.md (*sync_compare_and_swap<mode>): Use '%;' to
5121         emit semicolon after 'lock' prefix.
5122         (sync_double_compare_and_swap<mode>): Ditto.
5123         (*sync_double_compare_and_swapdi_pic): Ditto.
5124         (*sync_compare_and_swap_cc<mode>): Ditto.
5125         (sync_double_compare_and_swap_cc<mode>): Ditto.
5126         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
5127         (sync_old_add<mode>): Ditto.
5128         (sync_add<mode>): Ditto.
5129         (sync_sub<mode>): Ditto.
5130         (sync_ior<mode>): Ditto.
5131         (sync_and<mode>): Ditto.
5132         (sync_xor<mode>): Ditto.
5133
5134 2007-08-22  Chao-ying Fu  <fu@mips.com>
5135
5136         * rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes
5137         in DEF_RTL_EXPR.
5138         (copy_rtx): Handle CONST_FIXED.
5139         (rtx_equal_p): Likewise.
5140         * rtl.h (fixed_value.h): New include.
5141         (rtx_def): Add a new field of fixed_value to u.
5142         (XCNMPFV): Define for accessing fixed_value.
5143         (CONST_FIXED_VALUE, CONST_FIXED_VALUE_HIGH, CONST_FIXED_VALUE_LOW):
5144         Define.
5145         * rtl.def (CONST_FIXED): New constant.
5146         (SS_MULT, US_MULT, SS_DIV, US_DIV, FRACT_CONVERT,
5147         UNSIGNED_FRACT_CONVERT, SAT_FRACT, UNSIGNED_SAT_FRACT, US_NEG,
5148         US_ASHIFT): New codes.
5149         * doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult,
5150         us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract,
5151         unsigned_fract_convert, unsigned_sat_fract): Document them.
5152         * varasm.c (assemble_integer): Extend to support fixed-point constants
5153         by using different machine classes.
5154         (decode_addr_const): Handle FIXED_CST.
5155         (const_hash_1): Likewise.
5156         (compare_constant): Likewise.
5157         (copy_constant): Likewise.
5158         (const_rtx_hash_1): Handle CONST_FIXED.
5159         (output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
5160         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
5161         MODE_VECTOR_UACCUM.
5162         (initializer_constant_valid_p): Handle FIXED_CST.
5163         (output_constant): Support FIXED_POINT_TYPE.
5164         * gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude.
5165         * cse.c (hash_rtx): Support CONST_FIXED.
5166         (exp_equiv_p): Likewise.
5167         (cannon_reg): Likewise.
5168         (fold_rtx): Likewise.
5169         (equiv_constant): Likewise.
5170         (cse_process_notes_1): Likewise.
5171         (count_reg_usage): Likewise.
5172         * cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED.
5173         (rtx_equal_for_cselib_p): Handle CONST_FIXED.
5174         (wrap_constant): Check CONST_FIXED.
5175         (cselib_hash_rtx): Support CONST_FIXED.
5176         (cselib_subst_to_values): Likewise.
5177         * df-scan.c (df_uses_record): Likewise.
5178         * gcse.c (want_to_gcse_p): Likewise.
5179         (oprs_unchanged_p): Likewise.
5180         (oprs_not_set_p): Likewise.
5181         (compute_transp): Likewise.
5182         (extract_mentioned_regs_helper): Likewise.
5183         * genemit.c (gen_exp): Likewise.
5184         * local-alloc.c (equiv_init_varies_p): Likewise.
5185         (contains_replace_regs): Likewise.
5186         (memref_referenced_p): Likewise.
5187         * loop-invariant.c (check_maybe_invariant): Likewise.
5188         (hash_invariant_expr_1): Likewise.
5189         (invariant_expr_equal_p): Likewise.
5190         * postreload-gcse.c (oprs_unchanged_p): Likewise.
5191         * regclass.c (reg_scan_mark_refs): Likewise.
5192         * regrename.c (scan_rtx): Likewise.
5193         * resource.c (mark_referenced_resources): Likewise.
5194         (mark_set_resources): Likewise.
5195         * rtlanal.c (rtx_unstable_p): Likewise.
5196         (rtx_varies_p): Likewise.
5197         (count_occurrences): Likewise.
5198         (reg_mentioned_p): Likewise.
5199         (modified_between_p): Likewise.
5200         (modified_in_p): Likewise.
5201         (volatile_insn_p): Likewise.
5202         (volatile_refs_p): Likewise.
5203         (side_effects_p): Likewise.
5204         (may_trap_p_1): Likewise.
5205         (inequality_comparisons_p): Likewise.
5206         (computed_jump_p_1): Likewise.
5207         (commutative_operand_precedence): Likewise.
5208         * sched-deps.c (sched_analyze_2): Likewise.
5209         * sched-vis.c (print_value): Likewise.
5210         * reload.c (operands_match_p): Likewise.
5211         (subst_reg_equivs): Likewise.
5212         * reload1.c (eliminate_regs_1): Likewise.
5213         (elimination_effects): Likewise.
5214         (scan_paradoxical_subregs): Likewise.
5215         * alias.c (rtx_equal_for_memref_p): Likewise.
5216         * Makefile.in (RTL_BASE_H): Add fixed-value.h.
5217         * emit-rtl.c (const_fixed_htab): New hash table.
5218         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed):
5219         Declare.
5220         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed,
5221         const_fixed_from_fixed_value): New functions.
5222         (verify_rtx_sharing): Handle CONST_FIXED.
5223         (copy_rtx_if_shared_1): Likewise.
5224         (reset_used_flags): Likewise.
5225         (set_used_flags): Likewise.
5226         (copy_insn_1): Likewise.
5227         (init_emit_once): Create const_fixed_htab.
5228         Store fixed-point scalar and vector zero and one to const_tiny_rtx.
5229
5230 2007-08-22  Zdenek Dvorak  <ook@ucw.cz>
5231
5232         PR tree-optimization/32949
5233         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p
5234         before failing for ivs with non-constant step.
5235
5236 2007-08-22  Hans-Peter Nilsson  <hp@axis.com>
5237
5238         * doc/md.texi (Iterators): Renamed from Macros.  All contents
5239         changed to reflect rename of respectively define_code_macro and
5240         define_mode_macro to define_code_iterator and define_mode_iterator.
5241         (Mode Iterators, Code Iterators): Similar.
5242         * read-rtl.c (struct iterator_group, struct iterator_traverse_data)
5243         (uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p)
5244         (apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse)
5245         (initialize_iterators, find_iterator, check_code_iterator)
5246         (map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping)
5247         (read_mapping, read_rtx_1): Similar.
5248         * config/alpha/sync.md, config/alpha/alpha.md, config/frv/frv.md,
5249         config/s390/s390.md, config/m32c/blkmov.md, config/m32c/m32c.md,
5250         config/spu/spu.md, config/sparc/sparc.md, config/sparc/sync.md,
5251         config/i386/i386.md, config/i386/mmx.md, config/i386/sse.md,
5252         config/i386/sync.md, config/crx/crx.md, config/xtensa/xtensa.md,
5253         config/cris/cris.c, config/cris/cris.md, config/ia64/sync.md,
5254         config/ia64/div.md, config/ia64/vect.md, config/ia64/ia64.md,
5255         config/m68k/m68k.md, config/rs6000/spe.md, config/rs6000/altivec.md,
5256         config/rs6000/sync.md, config/rs6000/rs6000.md,
5257         config/arm/vec-common.md, config/arm/neon.md, config/arm/iwmmxt.md,
5258         config/arm/arm.md, config/mips/mips-dsp.md, config/mips/mips.md,
5259         config/vax/vax.md, config/bfin/bfin.md: Similar.
5260
5261 2007-08-22  David Daney  <ddaney@avtrex.com>
5262
5263         * doc/install.texi (Testing): Mention testing on a simulator.
5264
5265 2007-08-22  Janis Johnson  <janis187@us.ibm.com>
5266
5267         * config/dfp-bit.c (DFP_TO_DFP): Check for overflow.
5268
5269         * doc/libgcc.texi (Decimal float library routines): Fix formatting
5270         and rearrange floating point conversion functions into different
5271         categories.
5272
5273 2007-08-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5274
5275         * target.h (struct gcc_target.sched: dfa_pre_advance_cycle,
5276         dfa_post_advance_cycle): New scheduler hooks.
5277         * target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
5278         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
5279         new hooks.
5280         (TARGET_SCHED): Use them.
5281         * doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
5282         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks.
5283         * haifa-sched.c (advance_one_cycle): Invoke new hooks.
5284
5285         * genautomata.c (insn_has_dfa_reservation_p): New DFA interface
5286         function to facilitate debugging.
5287         (INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro.
5288         (output_insn_has_dfa_reservation_p): New static function to output
5289         insn_has_dfa_reservation_p ().
5290         (write_automata): Use it.
5291         * genattr.c (main): Output declaration for
5292         insn_has_dfa_reservation_p ().
5293
5294 2007-08-22  Christian Bruel  <christian.bruel@st.com>
5295             Richard Guenther <rguenther@suse.de>
5296
5297         * fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only.
5298         * simplify_rtx (simplify_binary_operation_1): Likewise.
5299
5300 2007-08-22  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5301
5302         PR rtl-optimization/32557
5303         * df-problems.c (df_note_bb_compute): Use mws->start_regno instead
5304         of REGNO (mws->mw_reg).
5305
5306 2007-08-22  Richard Guenther  <rguenther@suse.de>
5307
5308         PR middle-end/33007
5309         * builtins.c (expand_builtin_int_roundingfn): Replace call
5310         argument wrapped with SAVE_EXPR directly.
5311         (expand_builtin_int_roundingfn_2): Likewise.
5312
5313 2007-08-22  Richard Guenther  <rguenther@suse.de>
5314
5315         * tree-inline.c (inlinable_function_p): Restore disregarding
5316         inline limits for GNU extern inline functions.
5317
5318 2007-08-22  Richard Guenther  <rguenther@suse.de>
5319
5320         PR middle-end/32563
5321         * tree.c (host_integerp): Treat sizetype as signed as it is
5322         sign-extended.
5323
5324 2007-08-21  Ian Lance Taylor  <iant@google.com>
5325
5326         PR tree-optimization/33134
5327         * tree-vrp.c (adjust_range_with_scev): Call
5328         set_value_range_to_value.
5329
5330 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
5331
5332         * value-prof.h (gimple_remove_histogram_value): Remove duplicate
5333         prototype.
5334
5335 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
5336
5337         * tree-flow-inline.h (next_imm_use_stmt): Remove unecessary
5338         whitespace.
5339
5340 2007-08-21  Nathan Froyd  <froydnj@codesourcery.com>
5341
5342         * config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE
5343         cases to set eight bytes at a time.
5344         (expand_block_move): Likewise.
5345
5346 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5347
5348         PR debug/32610
5349         * dwarf2out.c (gen_decl_die): Don't call
5350         gen_tagged_type_instantiation_die if decl doesn't have tagged type.
5351
5352 2007-08-21  Paul Brook  <paul@codesourcery.com>
5353             Nathan Sidwell  <nathan@codesourcery.com>
5354             Mark Mitchell  <mark@codesourcery.com>
5355             Joseph Myers  <joseph@codesourcery.com>
5356
5357         * configure.ac: Add --with-pkgversion and --with-bugurl.
5358         * configure: Regenerate.
5359         * doc/install.texi: Document them.
5360         * version.c (version_string): Remove VERSUFFIX.
5361         (VERSUFFIX): Remove.
5362         (pkgversion_string): New.
5363         (bug_report_url): Do not hard-code initializer.
5364         * version.h (pkgversion_string): Declare.
5365         * Makefile.in (PKGVERSION_s, BUGURL_s, PKGVERSION, BUGURL_TEXI):
5366         Define.
5367         (version.o): Define PKGVERSION and BUGURL.
5368         (gcc-vers.texi): Define VERSION_PACKAGE and BUGURL.
5369         (%.pod): Define BUGURL.
5370         * gcc.c (process_command, main): Use pkgversion_string.
5371         * toplev.c (compile_file, print_version): Likewise.
5372         * protoize.c (main): Likewise.
5373         * gcov.c (print_version): Likewise.  Update copyright date.
5374         * gcov-dump.c (print_version): Likewise.  Update copyright date.
5375         * mips-tdump.c (main): Likewise.  Update copyright date.
5376         * mips-tfile.c (main): Likewise.  Update copyright date.
5377         * doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle.
5378         * doc/bugreport.texi: Use BUGURL for bug-reporting instructions;
5379         shorten description.
5380         * doc/gcc.texi: Include VERSION_PACKAGE in version description.
5381         * doc/gccint.texi: Likewise.
5382         * doc/invoke.texi: Use BUGURL for bug-reporting instructions.
5383         Update copyright date.
5384
5385 2007-08-21  Uros Bizjak  <ubizjak@gmail.com>
5386
5387         * config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG.
5388         (ix86_expand_strlensi_unroll_1): Ditto.
5389         (ix86_expand_branch): Use FLAGS_REG and FPSR_REG.
5390         (ix86_expand_carry_flag_compare): Update comment.
5391
5392 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5393
5394         PR middle-end/32912
5395         * fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
5396         (fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.
5397
5398 2007-08-21  Richard Guenther  <rguenther@suse.de>
5399
5400         * fold-const.c (fold_binary): Revert removing of index +p PTR folding.
5401
5402 2007-08-21  Richard Guenther  <rguenther@suse.de>
5403
5404         PR middle-end/33122
5405         * fold-const.c (fold_binary): Remove index +p PTR folding.
5406         Fix types of POINTER_PLUS_EXPR generated by folding of
5407         (PTR +p B) +p A.
5408
5409 2007-08-20  Chao-ying Fu  <fu@mips.com>
5410
5411         * c-common.h (enum rid): Add new enumeration values of RID_SAT,
5412         RID_FRACT, and RID_ACCUM.  RID_SAT needs to be inserted before
5413         RID_ONEWAY, so that it can be checked in declspecs_add_type.
5414         (c_common_fixed_point_type_for_size): Declare.
5415         * c-parser.c (reswords): Add _Fract, _Accum, and _Sat.
5416         (c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT.
5417         (c_token_starts_declspecs): Likewise.
5418         (c_parser_declspecs): Likewise.
5419         (c_parser_attributes): Likewise.
5420         * c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum.
5421         (c_declspecs): Add saturating_p.
5422         * c-decl.c (build_null_declspecs): Initialize saturating_p.
5423         (declspecs_add_type): Avoid using complex with _Fract, _Accum, or
5424         _Sat.  Handle RID_SAT.
5425         Avoid using void, bool, char, int, float, double, _Decimal32,
5426         _Decimal64, _Decimal128, and complex with _Sat.
5427         Handle RID_FRACT and RID_ACCUM.
5428         Make sure _Sat is used with _Fract or _Accum.
5429         (finish_declspecs): Handle cts_fract and cts_accum.
5430         * c-common.c (fixed-value.h): New include.
5431         (constant_expression_warning): Handle FIXED_CST.
5432         (overflow_warning): Likewise.
5433         (warnings_for_convert_and_check): Likewise.
5434         (c_common_fixed_point_type_for_size): New.
5435         (c_common_type_for_mode): Handle fixed-point modes to
5436         return various saturating/non-saturating, signed/unsigned types.
5437         (c_common_signed_or_unsigned_type): Support fixed-point types.
5438         (shorten_compare): Check fixed-point zero.
5439         Handle FIXED_POINT_TYPE.
5440         (c_common_truthvalue_conversion): Handle FIXED_CST.
5441         Handle FIXED_POINT_TYPE.
5442         (c_common_nodes_and_builtins): Record builtin types for fixed-point
5443         types.
5444         (handle_mode_attribute): Handle fixed-point modes.  Need to check
5445         if the signness of base type and fixed-point modes are consistent.
5446         (handle_vector_size_attribute): Handle fixed-point modes.
5447         (same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE.
5448         (warn_for_div_by_zero): Check fixed-point zero.
5449         * c-typeck.c (c_common_type): Check FIXED_POINT_TYPE.  Build
5450         a common fixed-point type based on fbit, ibit, sign, and saturation.
5451         (build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR,
5452         NEGATE_EXPR, TRUTH_NOT_EXPR, PREINCREMENT_EXPR, POSTINCREMENT_EXPR,
5453         PREDECREMENT_EXPR, and POSTDECREMENT_EXPR.
5454         (convert_for_assignment): Support FIXED_POINT_TYPE.
5455         (digest_init): Handle FIXED_POINT_TYPE.
5456         (build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR,
5457         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5458         TRUTH_XOR_EXPR, RSHIFT_EXPR, LSHIFT_EXPR, EQ_EXPR, NE_EXPR, LE_EXPR,
5459         GE_EXPR, LT_EXPR, GT_EXPR.
5460         * target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New.
5461         (TARGET_INITIALIZER): Add TARGET_FIXED_POINT_SUPPORTED_P.
5462         * target.h (gcc_target): Add fixed_point_supported_p.
5463         * targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT,
5464         MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM.
5465         (default_fixed_point_supported_p): Define.
5466         * targhooks.h (default_fixed_point_supported_p): Declare.
5467         * doc/tm.texi (TARGET_FIXED_POINT_SUPPORTED_P): Add.
5468         * doc/install.texi (Configuration): Add --enable-fixed-point.
5469         * configure.ac (--enable-fixed-point): New to enable fixed-point
5470         arithmetic extension to C.  For mips targets, we enable it by default.
5471         * configure, config.in: Regenerate.
5472
5473 2007-08-20  Pawel Sikora  <pluto@pld-linux.org>
5474
5475         * doc/invoke.texi (-Wnon-virtual-dtor): Update documentation.
5476
5477 2007-08-20  David Edelsohn  <edelsohn@gnu.org>
5478
5479         * dwarf2out.c (text_section_used): Move declaration outside ifdef
5480         DWARF2_DEBUGGING_INFO.
5481         (cold_text_section_used): Same.
5482         (cold_text_section): Same.
5483
5484 2007-08-20  Richard Guenther  <rguenther@suse.de>
5485
5486         * c-typeck.c (convert_for_assignment): Use the type of
5487         the member for the initialization.
5488
5489 2007-08-20  Richard Guenther  <rguenther@suse.de>
5490
5491         * c-objc-common.c (c_disregard_inline_limits): Remove.
5492         * c-objc-common.h (c_disregard_inline_limits): Likewise.
5493         * cgraphunit.c (cgraph_process_new_functions): Call
5494         disregard_inline_limits_p.
5495         (cgraph_preserve_function_body_p): Likewise.
5496         * ipa-inline.c (compute_inline_parameters): Likewise.
5497         * langhooks-def.h (lhd_tree_inlining_disregard_inline_limits):
5498         Remove.
5499         (LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS): Remove.
5500         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5501         disregard_inline_limits langhook.
5502         * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
5503         Remove.
5504         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5505         disregard_inline_limits langhook.
5506         * tree-inline.c (disregard_inline_limits_p): New function.
5507         * tree-inline.h (disregard_inline_limits_p): Declare.
5508
5509 2007-08-20  Richard Guenther  <rguenther@suse.de>
5510
5511         * langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove.
5512         (LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P): Likewise.
5513         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5514         auto_var_in_fn_p langhook.
5515         * langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and
5516         move ...
5517         * tree.c (auto_var_in_fn_p): ... here.
5518         (find_var_from_fn): Call auto_var_in_fn_p directly.
5519         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5520         auto_var_in_fn_p langhook.
5521         * tree-inline.c (remap_decls): Call auto_var_in_fn_p directly.
5522         (copy_body_r): Likewise.
5523         (self_inlining_addr_expr): Likewise.
5524         * tree.h (auto_var_in_fn_p): Declare.
5525
5526 2007-08-20  Richard Guenther  <rguenther@suse.de>
5527
5528         * tree.c (WALK_SUBTREE): Call walk_tree_1.
5529         (walk_type_fields): Take lh parameter.
5530         (walk_tree): Rename to ...
5531         (walk_tree_1): ... this.  Do not call the walk_subtrees
5532         langhook but the now passed callback.  Pass lh on recursion.
5533         (walk_tree_without_duplicates): Rename to ...
5534         (walk_tree_without_duplicates_1): ... this.  Take lh parameter
5535         and call walk_tree_1.
5536         * tree.h (walk_tree_lh): New typedef.
5537         (walk_tree_1): Declare.
5538         (walk_tree_without_duplicates_1): Likewise.
5539         (walk_tree): New define to walk_tree_1 with NULL lh parameter.
5540         (walk_tree_without_duplicates): New define to
5541         walk_tree_without_duplicates_1 with NULL lh parameter.
5542         * langhooks.c (lhd_tree_inlining_walk_subtrees): Remove.
5543         * langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees
5544         langhook.
5545         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove.
5546         (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
5547         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove walk_subtrees
5548         initializer.
5549
5550 2007-08-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5551
5552         PR middle-end/30564
5553         * tree-inline.c (optimize_inline_calls): Move the cgraph checking
5554         code in front of the compacting of basic blocks.
5555         Move the folding of statements inbetween the cgraph checking
5556         and compacting of basic blocks.
5557
5558 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5559            Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5560
5561         PR target/32522
5562         * config/alpha/alpha.c (va_list_skip_additions): Check for
5563         POINTER_PLUS_EXPR in addition to PLUS_EXPR.
5564         (alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of
5565         PLUS_EXPR when checking ap.__base.
5566         (alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR
5567         when doing addition on pointer types.  Use size_int instead of
5568         build_int_cst.
5569         (alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of
5570         ptr_type in the second operand.
5571
5572 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5573
5574         PR target/33115
5575         * config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front.
5576
5577 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5578
5579         PR middle-end/32940
5580         * cfgexpand.c  (expand_one_register_var): Mark pointer
5581         DECL_ARTIFICIAL as REG_POINTER also.
5582         * stmt.c (expand_decl): Likewise.
5583
5584 2007-08-19  Daniel Berlin  <dberlin@dberlin.org>
5585
5586         Fix PR 32772
5587         Fix PR 32716
5588         Fix PR 32328
5589         Fix PR 32303
5590
5591         * tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
5592         * tree-ssa-alias.c (init_transitive_clobber_worklist): Add
5593         on_worklist argument and avoid adding things to worklist multiple
5594         times.
5595         (add_to_worklist): Ditto.
5596         (mark_aliases_call_clobbered): Mark entire structure clobbered if
5597         single SFT is clobbered.
5598         (set_initial_properties): Ditto.
5599         (compute_call_clobbered): Update for changes to function
5600         arguments.
5601         (create_overlap_variables_for): Always create SFT for offset 0.
5602         (create_structure_vars): Handle PHI's, since we are in SSA form at
5603         this point.
5604         * tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
5605         * tree-ssa-operands.c (access_can_touch_variable): Don't handle
5606         TARGET_MEM_REF.
5607         (add_vars_for_offset): Figure out aliases from access + points-to.
5608         (add_virtual_operand): Use add_vars-for_offset.
5609         (get_tmr_operands): Update for NMT changes, rewrite to be correct.
5610         (add_call_clobber_ops): Remove makes_clobbering_call set.
5611         (get_expr_operands): Always pass through the INDIRECT_REF
5612         reference.
5613         * tree-ssa-structalias.c (struct constraint_graph): Remove
5614         variables member.
5615         Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
5616         address_taken, pt_used, number_incoming.
5617         (FIRST_ADDR_NODE): Removed.
5618         (merge_graph_nodes): Remove broken code for the moment.
5619         (init_graph): New function.
5620         (build_pred_graph): Remove code to init_graph.
5621         Add location equivalence support.
5622         (struct scc_info): Rename roots to deleted.
5623         (scc_visit): Ditto.
5624         (init_scc_info): Ditto
5625         (init_topo_info): Use graph->size.
5626         (compute_topo_order): Ditto.
5627         (do_da_constraint): Removed.
5628         (do_sd_constraint): Remove calls to find().
5629         set_union_with_increment should always get 0 as last arg here.
5630         (do_complex_constraint): Replace do_da_constraint with assert.
5631         Stop calling find.
5632         (struct equiv_class_label): New.
5633         (pointer_equiv_class_table): Ditto.
5634         (location_equiv_class_table): Ditto.
5635         (equiv_class_label_hash): Ditto.
5636         (equiv_class_label_eq): Ditto
5637         (equiv_class_lookup): Ditto.
5638         (equiv_class_ladd): Ditto.
5639         (pointer_equiv_class): Ditto.
5640         (location_equiv_class): Ditto.
5641         (condense_visit): Rename and rewrite from label_visit to do only
5642         SCC related stuff for HU.
5643         (label_visit): Do HU work for HU.
5644         (perform_var_substitution): Update to do HU and location
5645         equivalence.
5646         (free_var_substitution_info): Update to free HU and location
5647         equivalence structures.  */
5648         (find_equivalent_node): Update for pointer but not location
5649         equivalence.
5650         (unite_pointer_equivalences): New function.
5651         (move_complex_constraints): Rewrite to only do moving.
5652         (rewrite_constraints): Split out of move_complex_constraints.
5653         (solve_graph): Use graph->size.
5654         (process_constraint_1): Add from_call argument, use it.
5655         Split *a = &b into two constraints.
5656         (process_constraint): Use new process_constraint_1.
5657         (get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
5658         (get_constraint_for): Handle non-pointer integers properly.
5659         Remove code that used to handle structures.
5660         (handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
5661         with unknown addends.
5662         (handle_rhs_call): New function.
5663         (find_func_aliases): Use handle_rhs_call.
5664         (set_uids_in_ptset): Add an assert.
5665         (set_used_smts): Fix bug in not considering unified vars.
5666         (compute_tbaa_pruning): Stop initing useless iteration_obstack.
5667         (compute_points_to_sets): Update for other function changes.
5668         (delete_points_to_sets): Ditto.
5669         (ipa_pta_execute): Ditto.
5670         (pass_ipa_pta): We need to update SSA after ipa_pta.
5671
5672 2007-08-19  Jan Hubicka  <jh@suse.cz>
5673
5674         * i386.md: Replace "rim" and "mri" constraints by "g".
5675
5676 2007-08-19  Joseph Myers  <joseph@codesourcery.com>
5677
5678         * dwarf2out.c (text_section_used, cold_text_section_used,
5679         cold_text_section, dwarf2out_note_section_used): New.
5680         (dwarf2out_init): Initialize cold_text_section.
5681         (dwarf2out_switch_text_section, dwarf2out_begin_function): Call
5682         dwarf2out_note_section_used.
5683         (size_of_aranges): Only count entry for text section if it was
5684         used.  Count entry for cold text section if it was used.
5685         (output_aranges): Only output entries for text section and cold
5686         text section if they were used.
5687
5688 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5689
5690         * tree-pretty-print.c (debug_generic_expr): Add a comment about
5691         the function.
5692         (debug_generic_stmt): Likewise.
5693         (debug_tree_chain): Likewise.
5694
5695 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5696
5697         * tree-data-refs.c (split_constant_offset): Expose.
5698         * tree-data-refs.h (split_constant_offset): Add declaration.
5699
5700         * tree-vectorizer.h (dr_alignment_support): Renamed
5701         dr_unaligned_software_pipeline to dr_explicit_realign_optimized.
5702         Added a new value dr_explicit_realign.
5703         (_stmt_vec_info): Added new fields: dr_base_address, dr_init,
5704         dr_offset, dr_step, and dr_aligned_to, along with new access
5705         functions for these fields: STMT_VINFO_DR_BASE_ADDRESS,
5706         STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET, STMT_VINFO_DR_STEP, and
5707         STMT_VINFO_DR_ALIGNED_TO.
5708
5709         * tree-vectorizer.c (vect_supportable_dr_alignment): Add
5710         documentation.
5711         In case of outer-loop vectorization with non-fixed misalignment - use
5712         the dr_explicit_realign scheme instead of the optimized realignment
5713         scheme.
5714         (new_stmt_vec_info): Initialize new fields.
5715
5716         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the
5717         'nested_in_vect_loop' case. Change verbosity level.
5718         (vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case.
5719         Don't fail on zero step in the outer-loop for loads.
5720         (vect_analyze_data_refs): Call split_constant_offset to calculate
5721         base, offset and init relative to the outer-loop.
5722
5723         * tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused
5724         BSI function argument with a new function argument - at_loop.
5725         Simplify the condition that determines STEP. Takes additional argument
5726         INV_P. Support outer-loop vectorization (handle the
5727         nested_in_vect_loop case), including zero step in the outer-loop. Call
5728         vect_create_addr_base_for_vector_ref with additional argument.
5729         (vect_create_addr_base_for_vector_ref): Takes additional argument LOOP.
5730         Updated function documentation. Handle the 'nested_in_vect_loop' case.
5731         Fixed and simplified calculation of step.
5732         (vectorizable_store): Call vect_create_data_ref_ptr with loop instead
5733         of bsi, and with additional argument. Call bump_vector_ptr with
5734         additional argument. Fix typos. Handle the 'nested_in_vect_loop' case.
5735         (vect_setup_realignment): Takes additional arguments INIT_ADDR and
5736         DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case
5737         when the realignment setup needs to take place inside the loop.
5738         Support the dr_explicit_realign scheme. Allow generating the optimized
5739         realignment scheme for outer-loop vectorization. Added documentation.
5740         (vectorizable_load): Support the dr_explicit_realign scheme. Handle
5741         the 'nested_in_vect_loop' case, including loads that are invariant in
5742         the outer-loop and the realignment schemes. Handle the case when the
5743         realignment setup needs to take place inside the loop. Call
5744         vect_setup_realignment with additional arguments.  Call
5745         vect_create_data_ref_ptr with additional argument and with loop instead
5746         of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI.
5747         (vect_gen_niters_for_prolog_loop): Call
5748         vect_create_addr_base_for_vector_ref with additional arguments.
5749         (vect_create_cond_for_align_checks): Likewise.
5750         (bump_vector_ptr): Updated to support the new dr_explicit_realign
5751         scheme: takes additional argument bump; argument ptr_incr is now
5752         optional; updated documentation.
5753         (vect_init_vector): Takes additional argument (bsi). Use it, if
5754         available, to insert the vector initialization.
5755         (get_initial_def_for_induction): Pass additional argument in call to
5756         vect_init_vector.
5757         (vect_get_vec_def_for_operand): Likewise.
5758         (vect_setup_realignment): Likewise.
5759         (vectorizable_load): Likewise.
5760
5761 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5762
5763         * tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info
5764         as argument instead of struct loop.
5765         (nested_in_vect_loop_p): New function.
5766         (vect_relevant): Add enum values vect_used_in_outer_by_reduction and
5767         vect_used_in_outer.
5768         (is_loop_header_bb_p): New. Used to differentiate loop-header phis
5769         from other phis in the loop.
5770         (destroy_loop_vec_info): Add additional argument to declaration.
5771
5772         * tree-vectorizer.c (supportable_widening_operation): Also check if
5773         nested_in_vect_loop_p (don't allow changing the order in this case).
5774         (vect_is_simple_reduction): Takes a loop_vec_info as argument instead
5775         of struct loop. Call nested_in_vect_loop_p and don't require
5776         flag_unsafe_math_optimizations if it returns true.
5777         (new_stmt_vec_info): When setting def_type for phis differentiate
5778         loop-header phis from other phis.
5779         (bb_in_loop_p): New function.
5780         (new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so
5781         just update their loop_vinfo.  Order of BB traversal now matters -
5782         call dfs_enumerate_from with bb_in_loop_p.
5783         (destroy_loop_vec_info): Takes additional argument to control whether
5784         stmt_vinfo of the loop stmts should be destroyed as well.
5785         (vect_is_simple_reduction): Allow the "non-reduction" use of a
5786         reduction stmt to be defines by a non loop-header phi.
5787         (vectorize_loops): Call destroy_loop_vec_info with additional argument.
5788
5789         * tree-vect-transform.c (vectorizable_reduction): Call
5790         nested_in_vect_loop_p. Check for multitypes in the inner-loop.
5791         (vectorizable_call): Likewise.
5792         (vectorizable_conversion): Likewise.
5793         (vectorizable_operation): Likewise.
5794         (vectorizable_type_promotion): Likewise.
5795         (vectorizable_type_demotion): Likewise.
5796         (vectorizable_store): Likewise.
5797         (vectorizable_live_operation): Likewise.
5798         (vectorizable_reduction): Likewise. Also pass loop_info to
5799         vect_is_simple_reduction instead of loop.
5800         (vect_init_vector): Call nested_in_vect_loop_p.
5801         (get_initial_def_for_reduction): Likewise.
5802         (vect_create_epilog_for_reduction): Likewise.
5803         (vect_init_vector): Check which loop to work with, in case there's an
5804         inner-loop.
5805         (get_initial_def_for_inducion): Extend to handle outer-loop
5806         vectorization. Fix indentation.
5807         (vect_get_vec_def_for_operand): Support phis in the case vect_loop_def.
5808         In the case vect_induction_def get the vector def from the induction
5809         phi node, instead of calling get_initial_def_for_inducion.
5810         (get_initial_def_for_reduction): Extend to handle outer-loop
5811         vectorization.
5812         (vect_create_epilog_for_reduction): Extend to handle outer-loop
5813         vectorization.
5814         (vect_transform_loop): Change assert to just skip this case.  Add a
5815         dump printout.
5816         (vect_finish_stmt_generation): Add a couple asserts.
5817
5818         (vect_estimate_min_profitable_iters): Multiply
5819         cost of inner-loop stmts (in outer-loop vectorization) by estimated
5820         inner-loop bound.
5821         (vect_model_reduction_cost): Don't add reduction epilogue cost in case
5822         this is an inner-loop reduction in outer-loop vectorization.
5823
5824         * tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function.
5825         Same code as what used to be vect_analyze_scalar_cycles, only with
5826         additional argument loop, and loop_info passed to
5827         vect_is_simple_reduction instead of loop.
5828         (vect_analyze_scalar_cycles): Code factored out into
5829         vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest.
5830         Updated documentation.
5831         (analyze_operations): Check for inner-loop loop-closed exit-phis during
5832         outer-loop vectorization that are live or not used in the outerloop,
5833         cause this requires special handling.
5834         (vect_enhance_data_refs_alignment): Don't consider versioning for
5835         nested-loops.
5836         (vect_analyze_data_refs): Check that there are no datarefs in the
5837         inner-loop.
5838         (vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer
5839         and vect_used_in_outer_by_reduction cases.
5840         (process_use): Also consider the case of outer-loop stmt defining an
5841         inner-loop stmt and vice versa.
5842         (vect_analyze_loop_1): New function.
5843         (vect_analyze_loop_form): Extend, to allow a restricted form of nested
5844         loops.  Call vect_analyze_loop_1.
5845         (vect_analyze_loop): Skip (inner-)loops within outer-loops that have
5846         been vectorized.  Call destroy_loop_vec_info with additional argument.
5847
5848         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow
5849         in the inner-loop when doing outer-loop vectorization. Add
5850         documentation and printout.
5851         (vect_recog_dot_prod_pattern): Likewise. Also add check for
5852         GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop).
5853
5854 2007-08-18  Andrew Pinski  <pinskia@gmail.com>
5855
5856         * tree-affine.h (print_aff): New prototype.
5857         (debug_aff): Likewise.
5858         * tree-affine.c (print_aff): New function.
5859         (debug_aff): Likewise.
5860
5861 2007-08-18  Paul Brook  <paul@codesourcery.com>
5862             Joseph Myers  <joseph@codesourcery.com>
5863
5864         * common.opt (-fdebug-prefix-map=): New option.
5865         * opts.c: Include debug.h.
5866         (common_handle_option): Handle -fdebug-prefix-map.
5867         * final.c: Include ggc.h.
5868         (struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
5869         remap_debug_filename): New.
5870         * Makefile.in (final.o, opts.o): Update dependencies.
5871         * debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
5872         * configure.ac: Check for assembler --debug-prefix-map support.
5873         * configure, config.in: Regenerate.
5874         * gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
5875         (ASM_DEBUG_SPEC): Include ASM_MAP.
5876         * doc/install.texi (--with-debug-prefix-map): Document.
5877         * doc/invoke.texi (-fdebug-prefix-map): Document.
5878         * dbxout.c (dbxout_init, dbxout_start_source_file,
5879         dbxout_source_file): Call remap_debug_filename.
5880         * dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
5881         dwarf2out_start_source_file, dwarf2out_finish): Call
5882         remap_debug_filename.
5883         (file_table_relative_p): Do not check d->emitted_number.
5884         * toplev.c (output_file_directive): Call remap_debug_filename.
5885         * vmsdbgout.c (write_srccorr): Call remap_debug_filename.
5886         * xcoffout.c (xcoffout_source_file): Call remap_debug_filename.
5887
5888 2007-08-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5889
5890         * loop-invariant.c (find_invariants_to_move): Add missing macro
5891         argument.
5892
5893 2007-08-17  Tom Tromey  <tromey@redhat.com>
5894
5895         * tree.h (struct tree_label_decl): Removed old "java" fields.
5896
5897 2007-08-17  Richard Sandiford  <richard@codesourcery.com>
5898             Nigel Stephens  <nigel@mips.com>
5899
5900         * config/mips/sde.h (DRIVER_SELF_SPECS): Add commas.
5901         Treat -mno-data-in-code and -mcode-xonly as aliases for
5902         -mcode-readable=no and -mcode-readable=pcrel respectively.
5903         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly.
5904         (MULTILIB_OPTIONS): Add -mcode-readable=no multilibs.
5905         (MULTILIB_DIRNAMES): Update accordingly.
5906
5907 2007-08-17  H.J. Lu  <hongjiu.lu@intel.com>
5908
5909         * Makefile.in (version.o): Depend on $(REVISION) only if
5910         REVISION_s is defined.
5911
5912 2007-08-17  Sa Liu  <saliu@de.ibm.com>
5913             Ulrich Weigand  <uweigand@de.ibm.com>
5914
5915         PR middle-end/32970
5916         * tree.c (reconstruct_complex_type): For a pointer to a vector,
5917         use build_qualified_type to retain qualifiers of the base type.
5918
5919 2007-08-17  Chen Liqin  <liqin@sunnorth.com.cn>
5920
5921         * config/score/score.md : Update pattern tablejump.
5922         * config/score/score.c : Update score_initialize_trampoline
5923         function.
5924         * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
5925         (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
5926         * doc/contrib.texi: Add my entry.
5927
5928 2007-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5929
5930         * Makefile.in (REVISION): New.
5931         (REVISION_c): New.
5932         (REVISION_s): New.
5933         (version.o): Also depend on $(REVISION). Add
5934         -DREVISION=$(REVISION_s).
5935
5936         * version.c (version_string): Add REVISION.
5937
5938 2007-08-16  Seongbae Park <seongbae.park@gmail.com>
5939
5940         * tree-eh.c (lower_try_finally_onedest): Reset the locus
5941         of GOTO that's relocated to a different block.
5942
5943 2007-08-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5944
5945         * c-common.c (const_strip_array_types): New.
5946         * c-common.h (lang_missing_noreturn_ok_p): Delete.
5947         (const_strip_array_types): New.
5948         * c-objc-common.c (c_disregard_inline_limits,
5949         c_warn_unused_global_decl): Constify.
5950         * c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl,
5951         c_vla_type_p, c_incomplete_type_error): Likewise.
5952         * c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise.
5953         * hooks.c (hook_bool_const_tree_false): New.
5954         * hooks.h (hook_bool_const_tree_false): Likewise.
5955         * langhooks-def.h (lhd_warn_unused_global_decl,
5956         lhd_incomplete_type_error, lhd_expr_size,
5957         lhd_tree_inlining_disregard_inline_limits,
5958         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5959         LANG_HOOKS_GENERIC_TYPE_P, LANG_HOOKS_TYPE_MAX_SIZE): Constify.
5960         * langhooks.c (lhd_warn_unused_global_decl,
5961         lhd_incomplete_type_error,
5962         lhd_tree_inlining_disregard_inline_limits,
5963         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5964         lhd_expr_size): Likewise.
5965         * langhooks.h (lang_hooks_for_tree_inlining,
5966         lang_hooks_for_tree_dump, lang_hooks_for_types,
5967         lang_hooks_for_decls, lang_hooks): Likewise.
5968         * pointer-set.c (pointer_set_t, pointer_set_create,
5969         pointer_set_contains, insert_aux, pointer_set_insert,
5970         pointer_set_traverse, pointer_map_t, pointer_map_create,
5971         pointer_map_contains, pointer_map_insert, pointer_map_traverse):
5972         Likewise.
5973         * pointer-set.h (pointer_set_contains, pointer_set_insert,
5974         pointer_set_traverse, pointer_map_contains, pointer_map_insert,
5975         pointer_map_traverse): Likewise.
5976         * predict.c (assert_is_empty): Likewise.
5977         * tree-affine.c (free_name_expansion): Likewise.
5978         * tree-cfg.c (edge_to_cases_cleanup): Likewise.
5979         * tree.c (size_in_bytes, max_int_size_in_bytes): Likewise.
5980         * tree.h (size_in_bytes, max_int_size_in_bytes): Likewise.
5981
5982 2007-08-16  Victor Kaplansky <victork@il.ibm.com>
5983
5984         * tree-vectorizer.c (new_loop_vec_info): Initialize new
5985         field.
5986         (destroy_loop_vec_info): Add call to VEC_free.
5987         * tree-vectorizer.h (may_alias_ddrs): Define.
5988         (LOOP_VINFO_MAY_ALIAS_DDRS): Define.
5989         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5990         Change reporting to dump.
5991         (vect_is_duplicate_ddr): New.
5992         (vect_mark_for_runtime_alias_test): New.
5993         (vect_analyze_data_ref_dependences) Add call to
5994         vect_mark_for_runtime_alias_test.
5995         (vect_enhance_data_refs_alignment): Define local variable
5996         vect_versioning_for_alias_required, don't perform
5997         peeling for alignment if versioning for alias is
5998         required.
5999         (vect_enhance_data_refs_alignment): Use
6000         PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of
6001         PARAM_VECT_MAX_VERSION_CHECKS.
6002         * tree-vect-transform.c
6003         (vect_create_cond_for_alias_checks): New.
6004         (vect_transform_loop): Add call to
6005         vect_create_cond_for_alias_checks.
6006         (vect_vfa_segment_size): New.
6007         * params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS):
6008         Rename.
6009         (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define.
6010         * gcc/doc/invoke.texi
6011         (vect-max-version-for-alignment-checks): Document.
6012         (vect-max-version-for-alias-checks): Document.
6013         (vect-max-version-checks): Remove.
6014
6015 2007-08-16  Uros Bizjak  <ubizjak@gmail.com>
6016
6017         * config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
6018         the same line as the instruction for all asm dialects.
6019         (*rep_movsi): Ditto.
6020         (*rep_movsi_rex64): Ditto.
6021         (*rep_movqi): Ditto.
6022         (*rep_movqi_rex64): Ditto.
6023         (*rep_stosdi_rex64): Ditto.
6024         (*rep_stossi): Ditto.
6025         (*rep_stossi_rex64): Ditto.
6026         (*rep_stosqi): Ditto.
6027         (*rep_stosqi_rex64): Ditto.
6028         (*cmpstrnqi_nz_1): Ditto.
6029         (*cmpstrnqi_nz_rex_1): Ditto.
6030         (*cmpstrnqi_1): Ditto.
6031         (*cmpstrnqi_rex_1): Ditto.
6032         (*strlenqi_1): Ditto.
6033         (*strlenqi_rex_1): Ditto.
6034         * config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
6035         prefix on the same line as the instruction for all asm dialects.
6036         (sync_double_compare_and_swap<mode>): Ditto.
6037         (*sync_double_compare_and_swapdi_pic): Ditto.
6038         (*sync_compare_and_swap_cc<mode>): Ditto.
6039         (sync_double_compare_and_swap_cc<mode>): Ditto.
6040         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
6041         (sync_old_add<mode>): Ditto.
6042         (sync_add<mode>): Ditto.
6043         (sync_sub<mode>): Ditto.
6044         (sync_ior<mode>): Ditto.
6045         (sync_and<mode>): Ditto.
6046         (sync_xor<mode>): Ditto.
6047
6048 2007-08-16  Richard Sandiford  <richard@codesourcery.com>
6049
6050         PR middle-end/32897
6051         * reload.c (find_reloads): Check that the memory returned by
6052         find_reloads_toplev was not the result of forcing a constant
6053         to memory.
6054         (find_reloads_toplev): Always use simplify_gen_subreg to get
6055         the subreg of a constant.  If the result is also a constant,
6056         but not a legitimate one, force it into the constant pool
6057         and reload its address.
6058
6059 2007-08-15  David Edelsohn  <edelsohn@gnu.org>
6060
6061         * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
6062         POPCOUNT.
6063
6064 2007-08-15  Daniel Jacobowitz  <dan@codesourcery.com>
6065
6066         * config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
6067         directive for the current vector ABI.
6068
6069 2007-08-15  Steve Ellcey  <sje@cup.hp.com>
6070
6071         PR target/32963
6072         * caller-save.c (reg_save_code): Set invalide status on restore code.
6073
6074 2007-08-15  Diego Novillo  <dnovillo@google.com>
6075
6076         * tree-ssa-alias.c (compute_memory_partitions): Use
6077         alias_bitmap_obstack to allocate bitmaps.
6078         (reset_alias_info): Factor out of init_alias_info.
6079         Mark all name tags not associated to an SSA name for renaming.
6080         (init_alias_info): Call it.
6081         (create_name_tags): Tidy.  Add comments.
6082         (dump_points_to_info_for): Do not call get_mem_sym_stats_for.
6083
6084 2007-08-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
6085
6086         * config/mips/mips.c (vr4130_swap_insns_p): Use new interface to
6087         scheduler dependencies.
6088
6089 2007-08-15  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6090
6091         * config/i386/i386.md (subsi3_carry_zext): Remove "m" constraint for
6092         "register_operand".
6093         (*iorsi_1_zext): Likewise.
6094         (*iorsi_1_zext_imm): Likewise.
6095         * config/i386/sse.md: (*sse4_1_extractps): Use "nonimmediate_operand"
6096         with "rm"/"xm" constraint.
6097         (sse2_vmsqrtv2df2): Likewise.
6098
6099 2007-08-15  Jakub Jelinek  <jakub@redhat.com>
6100
6101         PR middle-end/33074
6102         * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for
6103         REG_LIBCALL note.
6104
6105 2007-08-14  Daniel Berlin  <dberlin@dberlin.org>
6106
6107         * tree-pass.h (PROP_pta): Removed.
6108         (TODO_rebuild_alias): New.
6109         (pass_may_alias): Removed.
6110         * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
6111         aliasing if we changed something.
6112         * tree-ssa-alias.c (compute_may_aliases): Make non-static.  Update
6113         SSA internally.
6114         (pass_may_alias): Removed.
6115         (create_structure_vars): Return TODO_rebuild_alias.
6116         * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
6117         * tree-sra.c (tree_sra): Only rebuild aliasing if something
6118         changed.
6119         (tree_sra_early): We never affect aliasing right now.
6120         * tree-flow.h (compute_may_aliases): New prototype.
6121         * passes.c: Remove pass_may_alias from the passes.
6122         (execute_function_todo): Support TODO_rebuild_alias.
6123
6124 2007-08-14  Kai Tietz  <kai.tietz@onevision.com>
6125
6126         * i386.c: (legitimize_address): Move dllimported variable check
6127         infront of legitimizing pic address of CONST symbols.
6128
6129 2007-08-14  Steve Ellcey  <sje@cup.hp.com>
6130
6131         PR tree-optimization/32941
6132         * tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
6133         (goto_queue_cmp): Remove.
6134         (find_goto_replacement): Change search method.
6135         (maybe_record_in_goto_queue): Add assert.
6136         (lower_try_finally): Remove qsort call, add pointer_map_destroy call.
6137         * Makefile.in (tree-eh.o): Add pointer-set.h dependency.
6138
6139 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6140
6141         * alias.c (component_uses_parent_alias_set): Constify.
6142         * alias.h (component_uses_parent_alias_set): Likewise.
6143         * cfgrtl.c (print_rtl_with_bb): Likewise.
6144         * double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
6145         mpz_get_double_int): Likewise.
6146         * double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
6147         mpz_get_double_int): Likewise.
6148         * expr.c (is_aligning_offset, undefined_operand_subword_p,
6149         mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
6150         Likewise.
6151         * expr.h (safe_from_p): Likewise.
6152         * gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
6153         Likewise.
6154         * gimplify.c (should_carry_locus_p, zero_sized_field_decl,
6155         zero_sized_type, goa_lhs_expr_p): Likewise.
6156         * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
6157         * rtl.h (print_rtl_with_bb): Likewise.
6158         * sched-vis.c (print_exp, print_value, print_pattern): Likewise.
6159         * tree-cfg.c (const_first_stmt, const_last_stmt): New.
6160         * tree-flow-inline.h (bb_stmt_list): Constify.
6161         (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
6162         cbsi_stmt): New.
6163         * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
6164         const_first_stmt, const_last_stmt): New.
6165         (block_may_fallthru, empty_block_p): Constify.
6166         * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
6167         EXPR_ONLY_BODY): New.
6168         (expr_first, expr_last, expr_only): Use macro for body.
6169         (const_expr_first, const_expr_last, const_expr_only): New.
6170         * tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
6171         ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
6172         ctsi_prev, ctsi_stmt): New.
6173         * tree-scalar-evolution.c (get_loop_exit_condition): Constify.
6174         * tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
6175         * tree-ssa-loop-niter.c (loop_only_exit_p,
6176         derive_constant_upper_bound): Likewise.
6177         * tree-ssa-phiopt.c (empty_block_p): Likewise.
6178         * tree-ssa-threadupdate.c (redirection_block_p): Likewise.
6179         * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
6180         * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
6181         * tree-vrp.c (vrp_bitmap_equal_p): Likewise.
6182         * tree.c (get_type_static_bounds): Likewise.
6183         * tree.h (const_expr_first, const_expr_last, const_expr_only): New.
6184         (get_type_static_bounds): Constify.
6185
6186 2007-08-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6187
6188         PR target/30315
6189         * config/i386/i386.h (CANONICALIZE_COMPARISON): New.
6190         * config/i386/i386.md (plusminus)(addsub)(SWI): New.
6191         (*<addsub><mode>3_cc_overflow): New.
6192         (*add<mode>3_cconly_overflow): New.
6193         (*sub<mode>3_cconly_overflow): New.
6194         (*<addsub>si3_zext_cc_overflow): New.
6195         * config/i386/predicates.md (fcmov_comparison_operator): Accept
6196         CCCmode for LTU, GTU, LEU and GEU.
6197         (ix86_comparison_operator): Likewise.
6198         (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
6199         * config/i386/i386.c (put_condition_code): Support CCCmode.
6200         (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
6201         or MINUS expressions.
6202
6203 2007-08-14  Andrew Pinski  <pinskia@gmail.com>
6204
6205         PR c/30428
6206         * c-typeck.c (build_binary_op): Disallow vector float types with
6207         BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR.
6208
6209 2007-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
6210
6211         * sched-int.h (struct _dep): Rename field 'kind' to 'type'.
6212         (DEP_KIND): Rename to DEP_TYPE.  Update all uses.
6213         (dep_def): New typedef.
6214         (init_dep_1, sd_debug_dep): Declare functions.
6215         (DEP_LINK_KIND): Rename to DEP_LINK_TYPE.
6216         (debug_dep_links): Remove.
6217         (struct _deps_list): New field 'n_links'.
6218         (DEPS_LIST_N_LINKS): New macro.
6219         (FOR_EACH_DEP_LINK): Remove.
6220         (create_deps_list, free_deps_list, delete_deps_list): Remove
6221         declaration.
6222         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6223         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6224         (copy_deps_list_change_con, move_dep_link): Ditto.
6225         (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
6226         and 'spec_back_deps'.  New field 'resolved_forw_deps'.  Remove field
6227         'dep_count'.
6228         (INSN_BACK_DEPS): Remove.
6229         (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS):
6230         New macros.
6231         (INSN_DEP_COUNT): Remove.
6232         (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP.  Fix comments.
6233         (spec_info, haifa_recovery_block_was_added_during_scheduling_p):
6234         Declare global variables.
6235         (deps_pools_are_empty_p, sched_free_deps): Declare functions.
6236         (add_forw_dep, compute_forward_dependences): Remove declarations.
6237         (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
6238         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6239         (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
6240         functions.
6241         (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW):
6242         New constants.
6243         (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto.
6244         (sd_list_types_def): New typedef.
6245         (sd_next_list): Declare function.
6246         (struct _sd_iterator): New type.
6247         (sd_iterator_def): New typedef.
6248         (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
6249         functions.
6250         (FOR_EACH_DEP): New cycle wrapper.
6251         (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
6252         Declare functions.
6253         (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
6254         (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):
6255         Ditto.
6256
6257         * sched-deps.c (init_dep_1): Make global.
6258         (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New
6259         constants.
6260         (dump_dep): New static function.
6261         (dump_dep_flags): New static variable.
6262         (sd_debug_dep): New function.
6263         (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
6264         the list.
6265         (move_dep_link): Use remove_from_deps_list (), instead of
6266         detach_dep_link ().
6267         (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
6268         (dep_link_is_detached_p): New static function.
6269         (deps_obstack, dl_obstack, dn_obstack): Remove.  Use dn_pool, dl_pool
6270         instead.
6271         (dn_pool, dl_pool): New alloc_pools.
6272         (dn_pool_diff, dl_pool_diff): New static variables.
6273         (create_dep_node, delete_dep_node): New static function.
6274         (create_deps_list): Make it static.  Use alloc_pool 'dl_pool'.
6275         (deps_list_empty_p): Make it static.  Use 'n_links' field.
6276         (deps_pools_are_empty_p): New static function.
6277         (alloc_deps_list, delete_deps_list): Remove.
6278         (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
6279         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6280         (copy_deps_list_change_con): Remove.  Use sd_copy_back_deps () instead.
6281         (forward_dependency_cache): Remove.
6282         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
6283         'back' from the names.  Change signature to use dep_t instead of
6284         equivalent quad.
6285         (add_back_dep): Ditto.  Make global.
6286         (check_dep_status): Rename to check_dep ().
6287         (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
6288         New functions.
6289         (sd_finish_insn): Ditto.
6290         (sd_find_dep_between_no_cache): New static function.
6291         (sd_find_dep_between): New function.
6292         (ask_dependency_caches, set_dependency_caches): New static functions.
6293         (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
6294         (add_or_update_dep_1): Separate pieces of functionality into
6295         ask_dependency_caches (), update_dependency_caches (),
6296         change_spec_dep_to_hard (), update_dep ().
6297         (get_back_and_forw_lists): New static function.
6298         (sd_add_dep): Separate setting of dependency caches into
6299         set_dependency_caches ().
6300         (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
6301         New functions.
6302         (sd_delete_dep): Ditto.
6303         (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants.
6304         (dump_lists): New static function.
6305         (sd_debug_lists): New debug function.
6306         (delete_all_dependences, fixup_sched_groups): Update to use
6307         sd_* infrastructure.
6308         (sched_analyze_2): Create data-speculative dependency only if
6309         data-speculation is enabled.
6310         (sched_analyze_insn): If insn cannot be speculative, make all its
6311         dependencies non-speculative.
6312         (sched_analyze): Use sd_init_insn ().
6313         (add_forw_dep, compute_forward_dependencies): Remove.
6314         (delete_dep_nodes_in_back_deps): New static function.
6315         (sched_free_deps): New function.
6316         (init_dependency_caches): Init alloc_pools.
6317         (extend_depedency_caches): Update after removing of
6318         forward_dependency_cache.
6319         (free_dependency_caches): Ditto.  Free alloc_pools.
6320         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
6321         (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
6322         Ditto.
6323         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6324         (add_dependence): Use init_dep ().
6325         (get_dep_weak_1): New static function.
6326         (get_dep_weak): Move logic to get_dep_weak_1 ().
6327         (dump_ds): New static function moved from haifa-sched.c:
6328         debug_spec_status ().
6329         (debug_ds): New debug function.
6330         (check_dep_status): Rename to check_dep ().  Update to check whole
6331         dependencies.
6332
6333         * haifa-sched.c (spec_info): Make global.
6334         (added_recovery_block_p): Rename to
6335         'haifa_recovery_block_was_added_during_current_schedule_block_p'.
6336         (haifa_recovery_block_was_added_during_scheduling_p): New variable.
6337         (dep_cost, priority, rank_for_schedule, schedule_insn): Update
6338         to use new interfaces.
6339         (ok_for_early_queue_removal): Ditto.
6340         (schedule_block): Initialize logical uids of insns emitted by the
6341         target.
6342         (sched_init): Initialize new variable.
6343         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6344         interfaces.
6345         (extend_global): Initialize insn data.
6346         (init_h_i_d): Remove code that is now handled in sd_init_insn ().
6347         (process_insn_forw_deps_be_in_spec): Change signature.  Update to use
6348         new interfaces.
6349         (add_to_speculative_block): Update to use new interfaces.
6350         (create_recovery_block): Set new variables.
6351         (create_check_block_twin, fix_recovery_deps): Update to use new
6352         interfaces.
6353         (sched_insn_is_legitimate_for_speculation_p): New function.
6354         (speculate_insn): Move checking logic to
6355         sched_insn_is_legitimate_for_speculation_p ().
6356         (sched_remove_insn): Finalize sched-deps information of instruction.
6357         (clear_priorities, add_jump_dependencies): Update to use new
6358         interfaces.
6359         (debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
6360
6361         * sched-rgn.c (set_spec_fed, find_conditional_protection): Update
6362         to use new interfaces.
6363         (is_conditionally_protected, is_pfree, is_prisky) Ditto.
6364         (new_ready): Try to use control speculation only if it is available.
6365         (add_branch_dependences): Update to use new interfaces.
6366         (compute_block_backward_dependences): Rename to
6367         compute_block_dependences ().  Call
6368         targetm.sched.dependencies_evaluation_hook ().
6369         (free_block_dependencies): New static function.
6370         (debug_dependencies): Update to use new interfaces.
6371         (schedule_region): Remove separate computation of forward dependencies.
6372         Move call of targetm.sched.dependencies_evaluation_hook () to
6373         compute_block_dependences ().  Free dependencies at the end of
6374         scheduling the region.
6375
6376         * sched-ebb.c (earliest_block_with_similiar_load): Update to use
6377         new interfaces.
6378         (add_deps_for_risky_insns): Ditto.
6379         (schedule_ebb): Remove separate computation of forward dependencies.
6380         Free dependencies at the end of scheduling the ebb.
6381
6382         * ddg.c (create_ddg_dependence): Update to use new interfaces.
6383         (build_intra_loop_deps): Ditto.  Remove separate computation of
6384         forward dependencies.  Free sched-deps dependencies.
6385
6386         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
6387         to use new interfaces.
6388         (ia64_dfa_new_cycle, ia64_gen_check): Ditto.
6389
6390         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
6391         new interfaces.
6392         (is_costly_group): Ditto.
6393
6394 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6395
6396         * alias.c (rtx_equal_for_memref_p): Constify.
6397         * basic-block.h (const_edge, const_basic_block): New.
6398         (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
6399         single_pred_p, single_succ_edge, single_pred_edge, single_succ,
6400         single_pred, maybe_hot_bb_p, probably_cold_bb_p,
6401         probably_never_executed_bb_p, edge_probability_reliable_p,
6402         br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
6403         inside_basic_block_p, control_flow_insn_p, dominated_by_p):
6404         Likewise.
6405         * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
6406         * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
6407         Likewise.
6408         * cfganal.c (flow_active_insn_p, forwarder_block_p,
6409         flow_nodes_print, dfs_enumerate_from): Likewise.
6410         * cfgbuild.c (count_basic_blocks, inside_basic_block_p,
6411         control_flow_insn_p, count_basic_blocks): Likewise.
6412         * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
6413         get_loop_body_with_size, loop_exit_edge_p): Likewise.
6414         * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
6415         average_num_loop_insns, loop_exit_edge_p,
6416         just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
6417         * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
6418         average_num_loop_insns, seq_cost): Likewise.
6419         * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
6420         * dominance.c (dominated_by_p): Likewise.
6421         * emit-rtl.c (validate_subreg): Likewise.
6422         * except.c (can_throw_internal, can_throw_external): Likewise.
6423         * except.h (can_throw_internal, can_throw_external): Likewise.
6424         * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
6425         oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
6426         compute_transp, load_killed_in_block_p, reg_killed_on_edge,
6427         simple_mem, store_ops_ok, load_kills_store, find_loads,
6428         store_killed_in_insn, store_killed_after, store_killed_before,
6429         gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
6430         Likewise.
6431         * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
6432         noce_mem_write_may_trap_or_fault_p): Likewise.
6433         * pointer-set.c (pointer_set_contains, pointer_map_contains):
6434         Likewise.
6435         * pointer-set.h (pointer_set_contains, pointer_map_contains):
6436         Likewise.
6437         * predict.c (can_predict_insn_p, maybe_hot_bb_p,
6438         probably_cold_bb_p, probably_never_executed_bb_p,
6439         edge_probability_reliable_p, br_prob_note_reliable_p,
6440         can_predict_insn_p): Likewise.
6441         * regclass.c (reg_set_to_hard_reg_set): Likewise.
6442         * resource.c (return_insn_p): Likewise.
6443         * rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
6444         Likewise.
6445         * rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
6446         * tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
6447         * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
6448         verify_gimple_modify_stmt): Likewise.
6449         * tree-chrec.c (is_not_constant_evolution,
6450         is_multivariate_chrec_rec, is_multivariate_chrec,
6451         chrec_contains_symbols, chrec_contains_undetermined,
6452         tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
6453         evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
6454         eq_evolutions_p, scev_direction): Likewise.
6455         * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
6456         eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
6457         chrec_contains_symbols_defined_in_loop,
6458         chrec_contains_undetermined, tree_contains_chrecs,
6459         evolution_function_is_affine_multivariate_p,
6460         evolution_function_is_univariate_p, chrec_zerop,
6461         evolution_function_is_constant_p, evolution_function_is_affine_p,
6462         evolution_function_is_affine_or_constant_p,
6463         tree_does_not_contain_chrecs, chrec_type): Likewise.
6464         * tree-data-ref.c (tree_fold_divides_p,
6465         object_address_invariant_in_loop_p, dr_may_alias_p,
6466         ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
6467         same_access_functions, constant_access_functions,
6468         access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
6469         Likewise.
6470         * tree-flow.h (scev_direction): Likewise.
6471         * tree-gimple.c (is_gimple_stmt): Likewise.
6472         * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
6473         Likewise.
6474         * tree-pretty-print.c (op_prio): Likewise.
6475         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
6476         analyzable_condition, backedge_phi_arg_p): Likewise.
6477         * tree-scalar-evolution.h (get_chrec_loop): Likewise.
6478         * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
6479         * tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
6480         Likewise.
6481
6482 2007-08-13  Dan Hipschman  <dsh@google.com>
6483
6484         PR c/32953
6485         * c-format.c (check_format_arg): Move check for zero-length
6486         format strings below the check for unterminated strings.
6487
6488 2007-08-13  Andrew Pinski  <pinskia@gmail.com>
6489
6490         PR C/30427
6491         * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float
6492         types.
6493
6494 2007-08-13  Nick Clifton  <nickc@redhat.com>
6495
6496         * config/arm/arm_neon.h: Revert GPLv3 patch to this file.
6497
6498 2007-08-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6499
6500         PR fortran/32860
6501         * c-format.c (gcc_gfc_length_specs): New array.
6502         (gcc_gfc_char_table): Add unsigned specifier, and references to
6503         the l length modifier.
6504         (format_types_orig): Use the new gcc_gfc_length_specs.
6505
6506 2007-08-12  Sa Liu  <saliu@de.ibm.com>
6507
6508         * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
6509         and with REG_RETVAL note after split.
6510
6511 2007-08-11  David Daney  <ddaney@avtrex.com>
6512
6513         * config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
6514         as ATTRIBUTE_UNUSED.
6515
6516 2007-08-11  David Edelsohn  <edelsohn@gnu.org>
6517             Segher Boessenkool  <segher@kernel.crashing.org>
6518
6519         * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if
6520         HAVE_LOCAL_CPU_DETECT not defined.
6521
6522 2007-08-11  Jan Hubicka  <jh@suse.cz>
6523
6524         * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
6525         (cgraph_process_new_functions): Honor previous value of
6526         disregard_inline_limits.
6527         * ipa-inline.c (compute_inline_parameters): Likewise.
6528
6529 2007-08-11  Ian Lance Taylor  <iant@google.com>
6530
6531         * alias.h (alias_set_type): Define new type.
6532         (ALIAS_SET_MEMORY_BARRIER): Use it.
6533         * rtl.h: Include alias.h.
6534         (struct mem_attrs): Use alias_set_type.
6535         * tree.h: Include alias.h
6536         (struct tree_type): Use alias_set_type.
6537         (struct tree_struct_field_tag): Likewise.
6538         (struct tree_decl_common): Likewise.
6539         * alias.c (struct alias_set_entry): Use alias_set_type.
6540         (get_alias_set_entry, alias_set_subset_of): Likewise.
6541         (alias_sets_conflict_p): Likewise.
6542         (alias_sets_must_conflict_p): Likewise.
6543         (objects_must_conflict_p): Likewise.
6544         (get_alias_set, new_alias_set): Likewise.
6545         (record_alias_subset, record_component_aliases): Likewise.
6546         (varargs_set, frame_set): Change to alias_set_type.
6547         (get_varargs_alias_set): Use alias_set_type.
6548         (get_frame_alias_set): Likewise.
6549         * builtins.c (setjmp_alias_set): Change to alias_set_type.
6550         * dse.c (struct store_info): Use alias_set_type.
6551         (struct read_info, struct clear_alias_mode_holder): Likewise.
6552         (clear_alias_set_lookup, canon_address): Likewise.
6553         (record_store, check_mem_read_rtx): Likewise.
6554         (dse_record_singleton_alias_set): Likewise.
6555         (dse_invalidate_singleton_alias_set): Likewise.
6556         * emit-rtl.c (get_mem_attrs): Likewise.
6557         (set_mem_attributes_minus_bitpos): Likewise.
6558         (set_mem_alias_set): Likewise.
6559         * expr.c (store_constructor_field, store_field): Likewise.
6560         * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
6561         * langhooks.c (lhd_get_alias_set): Likewise.
6562         * langhooks-def.h (lhd_get_alias_set): Likewise.
6563         * reload1.c (alter_reg): Likewise.
6564         * tree-flow.h (struct fieldoff): Likewise.
6565         * tree-ssa-alias.c (struct alias_map_d): Likewise.
6566         (may_alias_p, get_smt_for, create_sft): Likewise.
6567         * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
6568         * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
6569         (merge_smts_into): Likewise.
6570         * varasm.c (const_alias_set): Likewise.
6571         * c-common.c (strict_aliasing_warning): Likewise.
6572         (c_common_get_alias_set): Likewise.
6573         * dse.h (dse_record_singleton_alias_set): Update declaration.
6574         (dse_invalidate_singleton_alias_set): Likewise.
6575         * emit-rtl.h (set_mem_alias_set): Likewise.
6576         * c-common.h (c_common_get_alias_set): Likewise.
6577         * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
6578         * print-tree.c (print_node): Likewise.
6579         * config/alpha/alpha.c (alpha_sr_alias_set): Change to
6580         alias_set_type.
6581         (alpha_setup_incoming_varargs): Use alias_set_type.
6582         * config/i386/i386.c (setup_incoming_varargs_64): Use
6583         alias_set_type.
6584         (setup_incoming_varargs_ms_64): Likewise.
6585         (ix86_GOT_alias_set): Likewise.
6586         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6587         * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
6588         (set): Change to alias_set_type.
6589         (get_TOC_alias_set): Use alias_set_type.
6590         * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
6591         declaration.
6592         * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
6593         * config/sparc/sparc.c (sparc_sr_alias_set): Change to
6594         alias_set_type.
6595         (struct_value_alias_set): Likewise.
6596         * Makefile.in (GTFILES): Add $(srcdir)/alias.h.
6597
6598 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6599
6600         * config/vxworks-dummy.h (TARGET_VXWORKS): Define.
6601         * config/vxworks.h (TARGET_VXWORKS): Override.
6602         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
6603         "mips" if TARGET_VXWORKS.
6604
6605 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6606
6607         * calls.c (avoid_likely_spilled_reg): New function.
6608         (expand_call): Use it.
6609
6610 2007-08-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6611
6612         * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.
6613
6614 2007-08-10  Adam Nemet  <anemet@caviumnetworks.com>
6615
6616         * config/mips/predicates.md (const_call_insn_operand): Invoke
6617         SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
6618
6619 2007-08-10  David Edelsohn  <edelsohn@gnu.org>
6620
6621         PR target/33042
6622         * config/rs6000/driver-rs6000.c: Include link.h.
6623         Use ElfW instead of wordsize-specif typedef.
6624
6625 2007-08-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6626
6627         * system.h (CONST_CAST): New.
6628         * c-decl.c (c_make_fname_decl): Use it.
6629         * c-lex.c (cb_ident, lex_string): Likewise.
6630         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
6631         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
6632         give_switch, set_multilib_dir): Likewise.
6633         * gengtype-parse.c (string_seq, typedef_name): Likewise.
6634         * passes.c (execute_one_pass): Likewise.
6635         * prefix.c (update_path): Likewise.
6636         * pretty-print.c (pp_base_destroy_prefix): Likewise.
6637         * tree.c (build_string): Likewise.
6638
6639 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6640
6641         * tree-flow-inline.h (is_exec_stmt): Remove.
6642         (is_label_stmt): Remove.
6643         * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and
6644         is_label_stmt.
6645
6646 2007-08-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6647
6648         * lower-subreg.c (resolve_shift_zext): Don't adjust
6649         src_reg_num for wordmode operands.
6650
6651 2007-08-10  Sandra Loosemore  <sandra@codesourcery.com>
6652             David Ung  <davidu@mips.com>
6653
6654         * config/mips/mips.c (TARGET_SCHED_INIT): Define.
6655         (TARGET_SCHED_REORDER2): Define.
6656         (mips_maybe_swap_ready): New.
6657         (mips_last_74k_agen_insn): New.
6658         (mips_74k_agen_init): New.
6659         (mips_74k_agen_reorder): New function to group loads and stores
6660         in the ready queue.
6661         (mips_sched_init): New.
6662         (mips_sched_reorder): Don't do initialization here.  Call
6663         mips_74k_agen_reorder.
6664         (mips_variable_issue): Call mips_74k_agen_init.
6665
6666 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6667
6668         * tree-flow-inline.h (get_filename): Remove.
6669
6670 2007-08-10  Richard Sandiford  <richard@codesourcery.com>
6671
6672         * config/mips/mips-protos.h (mips_address_insns): Add a boolean
6673         argument.
6674         (mips_fetch_insns): Delete in favor of...
6675         (mips_load_store_insns): ...this new function.
6676         * config/mips/mips.c (mips_address_insns): Add a boolean argument
6677         to say whether multiword moves _might_ be split.
6678         (mips_fetch_insns): Delete in favor of...
6679         (mips_load_store_insns): ...this new function.
6680         (mips_rtx_costs): Update the call to mips_address_insns.
6681         (mips_address_cost): Likewise.
6682         * config/mips/mips.md (length): Use mips_load_store_insns instead
6683         of mips_fetch_insns.
6684         * config/mips/constraints.md (R): Use mips_address_insns rather
6685         than mips_fetch_insns.  Assume that the move never needs to be split.
6686
6687 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6688
6689         * config/mips/mips.opt (mhard-float, msoft-float): Make these
6690         control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
6691         than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.
6692         * config/mips/mips.h (mips16_hard_float): Delete.
6693         (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
6694         definitions, and replace with....
6695         (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
6696         * config/mips/mips.c (mips16_hard_float): Delete.  Replace
6697         all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
6698         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
6699         (override_options): Replace MASK_SOFT_FLOAT references with
6700         MASK_SOFT_FLOAT_ABI.  Delete twiddling with MASK_SOFT_FLOAT
6701         and mips16_hard_float when TARGET_MIPS16.
6702
6703 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6704
6705         PR c/32796
6706         * c-typeck.c (build_binary_op): Check for non pointer types before
6707         calling int_fits_type_p.
6708
6709 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6710
6711         PR middle-end/32813
6712         * fold-const.c (omit_one_operand): Return only the ommitted expression
6713         if the result is an empty statement.
6714         (pedantic_omit_one_operand): Likewise.
6715
6716 2007-08-09  Daniel Berlin  <dberlin@dberlin.org>
6717
6718         * c-typeck.c (readonly_error): Improve error for assignment.
6719
6720         * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
6721         expression.
6722         (pp_c_expression): Ditto.
6723
6724 2007-08-09  Simon Baldwin  <simonb@google.com>
6725
6726         * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
6727         break that was preventing simplify_associative_operation() for xor.
6728
6729 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6730             Nigel Stephens  <nigel@mips.com>
6731
6732         * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO):
6733         Document change in interpretation of value from boolean to
6734         tri-state integer.
6735         * optabs.c (expand_ffs, expand_ctz): New functions to compute
6736         ffs and ctz using clz.
6737         (expand_unop): Call them.
6738         * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
6739         result value.
6740         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
6741         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
6742         enable the new ffs expansion on this target.
6743
6744 2007-08-09  Jan Hubicka  <jh@suse.cz>
6745
6746         * optabs.c (expand_widen_pattern_expr): Use optabs accestors.
6747         (expand_ternary_op): Likewise.
6748         (expand_vec_shift_expr): Likewise.
6749         (expand_binop_directly): Likewise.
6750         (expand_binop): Likewise.
6751         (sign_expand_binop): Likewise.
6752         (expand_twoval_unop): Likewise.
6753         (expand_twoval_binop): Likewise.
6754         (expand_twoval_binop_libfunc): Likewise.
6755         (widen_clz): Likewise.
6756         (widen_bswap): Likewise.
6757         (expand_parity): Likewise.
6758         (expand_unop): Likewise.
6759         (expand_abs_nojump): Likewise.
6760         (expand_copysign): Likewise.
6761         (emit_no_conflict_block): Likewise.
6762         (emit_libcall_block): Likewise.
6763         (can_compare_p): Likewise.
6764         (prepare_cmp_insn): Likewise.
6765         (emit_cmp_and_jump_insn_1): Likewise.
6766         (prepare_float_lib_cmp): Likewise.
6767         (emit_conditional_add): Likewise.
6768         (gen_add2_insn): Likewise.
6769         (have_add2_insn): Likewise.
6770         (gen_sub2_insn): Likewise.
6771         (have_sub2_insn): Likewise.
6772         (can_extend_p): Likewise.
6773         (can_fix_p): Likewise.
6774         (can_float_p): Likewise.
6775         (expand_float): Likewise.
6776         (expand_fix): Likewise.
6777         (expand_sfix_optab): Likewise.
6778         (new_optab): Likewise.
6779         (new_convert_optab): Likewise.
6780         (init_libfuncs): Likewise.
6781         (init_interclass_conv_libfuncs): Likewise.
6782         (init_intraclass_conv_libfuncs): Likewise.
6783         (set_conv_libfunc): Likewise.
6784         (init_optabs): Likewise.
6785         (debug_optab_libfuncs): Likewise.
6786         (gen_cond_trap): Likewise.
6787         * optabs.h (optab_handler, convert_optab_hanlder): New.
6788         * genopinit.c: Update optabs generation table.
6789         * reload.c (find_reloads_address_1): Use optabs accestors.
6790         * builtins.c (expand_builtin_mathfn): Likewise.
6791         (expand_builtin_mathfn_2): Likewise.
6792         (expand_builtin_mathfn_3): Likewise.
6793         (expand_builtin_interclass_mathfn): Likewise.
6794         (expand_builtin_sincos): Likewise.
6795         (expand_builtin_cexpi): Likewise.
6796         (expand_builtin_powi): Likewise.
6797         (expand_builtin_strlen): Likewise.
6798         * dojump.c (do_jump): Likewise.
6799         * expr.c (convert_move): Likewise.
6800         (move_by_pieces): Likewise.
6801         (move_by_pieces_ninsns): Likewise.
6802         (can_store_by_pieces): Likewise.
6803         (store_by_pieces_1): Likewise.
6804         (emit_move_via_integer): Likewise.
6805         (emit_move_complex): Likewise.
6806         (emit_move_ccmode): Likewise.
6807         (emit_move_insn_1): Likewise.
6808         (emit_single_push_insn): Likewise.
6809         (store_constructor): Likewise.
6810         (expand_expr_real_1): Likewise.
6811         (do_store_flag): Likewise.
6812         * ada/misc.c (gnat_compute_largest_alignment): Likewise.
6813         (enumerate_modes): Likewise.
6814         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
6815         (supportable_widening_operation): Likewise.
6816         (supportable_narrowing_operation): Likewise.
6817         * expmed.c (store_bit_field_1): Likewise.
6818         (extract_bit_field_1): Likewise.
6819         (expand_mult_highpart_optab): Likewise.
6820         (expand_smod_pow2): Likewise.
6821         (expand_divmod): Likewise.
6822         (emit_store_flag): Likewise.
6823         * tree-vect-patterns.c
6824         (vect_pattern_recog_1): Likewise.
6825         * tree-ssa-loop-prefetch.c
6826         (nontemporal_store_p): Likewise.
6827         * tree-vect-transform.c (vect_model_reduction_cost): Likewise.
6828         (vect_create_epilog_for_reduction): Likewise.
6829         (vectorizable_reduction): Likewise.
6830         (vectorizable_operation): Likewise.
6831         (vect_strided_store_supported): Likewise.
6832         (vectorizable_store): Likewise.
6833         (vect_strided_load_supported): Likewise.
6834         (vectorizable_load): Likewise.
6835         * combine.c (simplify_comparison): Likewise.
6836         * tree-vect-generic.c
6837         (type_for_widest_vector_mode): Likewise.
6838         (expand_vector_operations_1): Likewise.
6839         * config/spu/spu.c (spu_expand_mov): Likewise.
6840         (spu_emit_vector_compare): Likewise.
6841         * config/rs6000/rs6000.c
6842         (rs6000_emit_vector_compare): Likewise.
6843         * stmt.c (add_case_node): Likewise.
6844         * reload1.c (gen_reload):
6845
6846 2007-08-09  Michael Matz  <matz@suse.de>
6847
6848         * tree.h (fixed_zerop): Declare as taking a const_tree.
6849         * tree.c (fixed_zerop): Take a const_tree.
6850
6851 2007-08-09  Ira Rosen  <irar@il.ibm.com>
6852
6853         * tree-vect-transform.c (vectorizable_store): Remove call to
6854         copy_virtual_operands() and call mark_symbols_for_renaming() for
6855         the created vector store.
6856         (vect_setup_realignment): Don't call copy_virtual_operands() and
6857         update_vuses_to_preheader().
6858         (vectorizable_load): Don't call copy_virtual_operands().
6859         (update_vuses_to_preheader): Remove.
6860
6861 2007-08-08  Chao-ying Fu  <fu@mips.com>
6862
6863         * tree.def (FIXED_POINT_TYPE): New type.
6864         (FIXED_CST): New constant.
6865         (FIXED_CONVERT_EXPR): New expr.
6866         * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
6867         (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
6868         * tree.h (struct tree_base): Add saturating_flag.
6869         Remove one bit of spare for saturating_flag.
6870         (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
6871         (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
6872         FIXED_POINT_TYPE_P): Define.
6873         (TYPE_SATURATING): Define.
6874         (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
6875         (struct tree_fixed_cst): New.
6876         (TYPE_IBIT, TYPE_FBIT): Define.
6877         (tree_node): Add fixed_cst.
6878         (enum tree_index): Add new enumeration values of
6879         TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
6880         TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
6881         TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
6882         TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
6883         TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
6884         TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
6885         TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
6886         TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
6887         TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
6888         TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
6889         TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
6890         TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
6891         TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
6892         TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
6893         TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
6894         TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
6895         TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
6896         TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
6897         (sat_short_fract_type_node, sat_fract_type_node,
6898         sat_long_fract_type_node, sat_long_long_fract_type_node,
6899         sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
6900         sat_unsigned_long_fract_type_node,
6901         sat_unsigned_long_long_fract_type_node, short_fract_type_node,
6902         fract_type_node, long_fract_type_node, long_long_fract_type_node,
6903         unsigned_short_fract_type_node, unsigned_fract_type_node,
6904         unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
6905         sat_short_accum_type_node, sat_accum_type_node,
6906         sat_long_accum_type_node, sat_long_long_accum_type_node,
6907         sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
6908         sat_unsigned_long_accum_type_node,
6909         sat_unsigned_long_long_accum_type_node, short_accum_type_node,
6910         accum_type_node, long_accum_type_node, long_long_accum_type_node,
6911         unsigned_short_accum_type_node, unsigned_accum_type_node,
6912         unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
6913         qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
6914         uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
6915         utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
6916         sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
6917         sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
6918         sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
6919         ta_type_node, uha_type_node, usa_type_node, uda_type_node,
6920         uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
6921         sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
6922         sat_uda_type_node, sat_uta_type_node): New macro.
6923         (make_fract_type, make_accum_type): Declare.
6924         (make_signed_fract_type, make_unsigned_fract_type,
6925         make_sat_signed_fract_type, make_sat_unsigned_fract_type,
6926         make_signed_accum_type, make_unsigned_accum_type,
6927         make_sat_signed_accum_type, make_sat_unsigned_accum_type,
6928         make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
6929         make_or_reuse_sat_signed_fract_type,
6930         make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
6931         make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
6932         make_or_reuse_sat_unsigned_accum_type): New macro.
6933         (fixed_zerop): Declare.
6934         * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
6935         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6936         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6937         LONG_LONG_ACCUM_TYPE_SIZE): Define.
6938         * treestruct.def: Add TS_FIXED_CST.
6939         * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
6940         (tree.o): Likewise.
6941         (tree-dump.o): Likewise.
6942         (print-tree.o): Likewise.
6943         (tree-pretty-print.o): Likewise.
6944         (fold-const.o): Likewise.
6945         * tree-complex.c (some_nonzerop): Handle FIXED_CST.
6946         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
6947         (is_gimple_min_invariant): Handle FIXED_CST.
6948         * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
6949         MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
6950         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6951         (layout_type): Handle FIXED_POINT_TYPE.
6952         (make_fract_type, make_accum_type): New functions.
6953         * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
6954         * tree-dump.c (fixed-value.h): New include.
6955         (dump_fixed): New function.
6956         (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
6957         * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
6958         (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
6959         * tree-pretty-print.c (fixed-value.h): New include.
6960         (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
6961         FIXED_CONVERT_EXPR.
6962         * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
6963         * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
6964         * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
6965         * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
6966         for non-saturating fixed-point types.
6967         (reassociate_bb): Likewise.
6968         * emit-rtl.c (fixed-value.h): New include.
6969         (fconst0, fconst1): New array.
6970         (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
6971         * tree-vect-generic.c expand_vector_operation): Support
6972         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
6973         MODE_VECTOR_UACCUM.
6974         (type_for_widest_vector_mode): Add one parameter for the
6975         saturating flag.
6976         Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
6977         vector mode.
6978         Pass the satp parameter to type_for_mode for fixed-point types.
6979         (expand_vector_operations_1): Pass the saturating flag to
6980         type_for_widest_vector_mode.
6981         Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
6982         and MODE_VECTOR_UACCUM.
6983         * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
6984         (vectorizable_condition): Likewise.
6985         * tree.c (fixed-value.h): New include.
6986         (tree_code_size): Support FIXED_CST.
6987         (build_fixed): New function.
6988         (build_one_cst): Support FIXED_POINT_TYPE for accum types.
6989         (fixed_zerop): New function.
6990         (tree_node_structure): Support FIXED_CST.
6991         (type_contains_placeholder_1): Support FIXED_POINT_TYPE.
6992         (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
6993         (type_hash_eq): Handle FIXED_POINT_TYPE.
6994         (simple_cst_equal): Support FIXED_CST.
6995         (iterative_hash_expr): Handle FIXED_CST.
6996         (get_unwidened): Make sure type is not FIXED_POINT_TYPE.
6997         (get_narrower): Likewise.
6998         (variably_modified_type_p): Handle FIXED_POINT_TYPE.
6999         (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
7000         (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
7001         MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
7002         nodes.
7003         (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
7004         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
7005         (initializer_zerop): Support FIXED_CST.
7006         (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
7007         * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
7008         DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
7009         (is_base_type): Handle FIXED_POINT_TYPE.
7010         (add_type_attribute): Handle FIXED_POINT_TYPE.
7011         (gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
7012         * print-tree.c (fixed-value.h): New include.
7013         (print_node_brief): Support FIXED_CST.
7014         (print_node): Support FIXED_POINT_TYPE and FIXED_CST.
7015         * c-pretty-print.c (fixed-value.h): New include.
7016         (pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
7017         TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
7018         (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
7019         Support fixed-point types for inner items in VECTOR_TYPE.
7020         (pp_c_direct_declarator): Likewise.
7021         (pp_c_declarator): Likewise.
7022         (pp_c_fixed_constant): New function.
7023         (pp_c_constant): Handle FIXED_CST.
7024         (pp_c_primary_expression): Likewise.
7025         (pp_c_expression): Likewise.
7026         * fold-const.c (fixed-value.h): New include.
7027         (negate_expr_p): Return true for FIXED_CST.
7028         (fold_negate_expr): Support FIXED_CST.
7029         (split_tree): Support FIXED_CST.
7030         (const_binop): Support FIXED_CST.
7031         (fold_convert_const_int_from_fixed): New function to convert from
7032         fixed to int.
7033         (fold_convert_const_real_from_fixed): New function to convert from
7034         fixed to real.
7035         (fold_convert_const_fixed_from_fixed): New function to convert from
7036         fixed to another fixed.
7037         (fold_convert_const_fixed_from_int): New function to convert from
7038         int to fixed.
7039         (fold_convert_const_fixed_from_real): New function to convert from
7040         real to fixed.
7041         (fold_convert_const): Support conversions from fixed to int, from
7042         fixed to real, from fixed to fixed, from int to fixed, and from real
7043         to fixed.
7044         (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
7045         (operand_equal_p): Support FIXED_CST.
7046         (make_range): For fixed-point modes, we need to pass the
7047         saturating flag as the 2nd parameter.
7048         (tree_swap_operands_p): Handle FIXED_CST.
7049         (fold_plusminus_mult_expr): For fract modes, we cannot generate
7050         constant 1.
7051         (fold_unary): Support FIXED_CONVERT_EXPR.
7052         (fold_binary): Handle FIXED_CST.
7053         Make sure the type is not saturating, before associating operations.
7054         Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
7055         (tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
7056         (fold_negate_const): Support FIXED_CST.
7057         (fold_relational_const): Support FIXED_CST.
7058         * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
7059         (gimplify_expr): Handle FIXED_CST.
7060         (gimplify_type_sizes): Handle FIXED_POINT_TYPE.
7061         * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
7062         * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
7063         * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
7064         FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
7065         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
7066         LONG_LONG_ACCUM_TYPE_SIZE.
7067         * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
7068         * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
7069         * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
7070         * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
7071         MODE_ACCUM, and MODE_UACCUM.
7072         * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
7073         fixed-point types to disable reduction.
7074         * explow.c (promote_mode): Support FIXED_POINT_TYPE.
7075
7076 2007-08-08  David Edelsohn  <edelsohn@gnu.org>
7077
7078         * config/rs6000/x-rs6000: New file.
7079         * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
7080         * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
7081         (EXTRA_SPEC_FUNCTIONS): Define.
7082         (HAVE_LOCAL_CPU_DETECT): Define.
7083         (CC1_CPU_SPEC): Define.
7084         * config/rs6000/driver-rs6000.c: New file.
7085         * config/rs6000/aix.h (CC1_SPEC): Define.
7086         * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
7087         * config.host: Add x-rs6000 to host_xmake_file if host and target
7088         are rs6000 or powerpc.
7089
7090 2007-08-08  Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
7091
7092         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.
7093
7094 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7095             Sandra Loosemore  <sandra@codesourcery.com>
7096             Chao-ying Fu  <fu@mips.com>
7097             Nigel Stephens  <nigel@mips.com>
7098             David Ung  <davidu@mips.com>
7099
7100         * doc/invoke.texi (-mcode-readable): Document.
7101         * config/mips/mips.opt (mcode-readable): New option.
7102         * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
7103         * config/mips/mips.h (mips_code_readable_setting): New enum.
7104         (mips_code_readable): Declare.
7105         (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros.
7106         (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro.
7107         (JUMP_TABLES_IN_TEXT_SECTION): Use it.
7108         (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise.  Remove
7109         boiler-plate comments.
7110         (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
7111         * config/mips/mips.c (mips_code_readable): New variable.
7112         (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
7113         MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES.  Use both the
7114         context and -mcode-readable setting to restrict the use of
7115         SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
7116         Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed.
7117         (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH.
7118         (mips_blocks_for_constant_p): Only return false for
7119         TARGET_MIPS16_PCREL_LOADS.
7120         (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions
7121         for MIPS16.  Handle SYMBOL_32_HIGH.
7122         (mips_const_insns): Allow HIGHs for MIPS16 too.
7123         (mips_unspec_address_offset): New function, split out from...
7124         (mips_unspec_address): ...here.
7125         (mips_output_move): Handle MIPS16 HIGH moves.  Use "li" to load
7126         16-bit symbolic constants.  Assert approropiate conditions for
7127         using the "la" and "dla" macros.
7128         (mips_handle_option): Handle -mcode-readable=.
7129         (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too.
7130         Set up mips_lo_relocs[SYMBOL_32_HIGH].
7131         (mips_strip_unspec_address): New function, split out from...
7132         (print_operand_reloc): ...here.
7133         (print_operand): Pass constants through mips_strip_unspec_address.
7134         (print_operand_address): Likewise.
7135         (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants.
7136         (mips_select_rtx_section): Remove MIPS16 handling.
7137         (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl.
7138         (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC.
7139         (mips16_lay_out_constants): Do nothing unless
7140         TARGET_MIPS16_PCREL_LOADS.
7141         (mips_avoid_hazards): Remove guard of mips16_lay_out_constants.
7142         * config/mips/mips.md: Split HIGHs for MIPS16.
7143         (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
7144
7145 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7146
7147         * config/mips/mips-protos.h (mips_emit_move): Declare.
7148         * config/mips/mips.c (mips_emit_move): New function.
7149         (mips_force_temporary): Use mips_emit_move instead of emit_move_insn.
7150         (mips_legitimize_const_move): Likewise.
7151         (mips_legitimize_move): Likewise.
7152         (mips_split_64bit_move): Likewise.
7153         (mips_restore_gp): Likewise.
7154         (mips_load_call_address): Likewise.
7155         (mips_emit_fcc_reload): Likewise.
7156         (mips_set_return_address): Likewise.
7157         (mips_block_move_straight): Likewise.
7158         (mips_block_move_loop): Likewise.
7159         (mips_setup_incoming_varargs): Likewise.
7160         (mips_save_reg): Likewise.
7161         (mips_expand_prologue): Likewise.
7162         (mips_restore_reg): Likewise.
7163         (mips_expand_epilogue): Likewise.
7164         (mips_output_mi_thunk): Likewise.
7165         (build_mips16_call_stub): Likewise.
7166         (mips_builtin_branch_and_move): Likewise.
7167         * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise.
7168         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
7169         (fixuns_truncdfdi2): Likewise.
7170         (fixuns_truncsfsi2): Likewise.
7171         (fixuns_truncsfdi2): Likewise.
7172         (loadgp_absolute): Likewise.
7173         (builtin_setjmp_setup): Likewise.
7174         (builtin_longjmp): Likewise.
7175         (untyped_call): Likewise.
7176
7177 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7178
7179         * config/mips/mips-protos.h (mips_split_symbol): Add a mode and
7180         an "rtx *" argument.  Return a bool.
7181         * config/mips/mips.c (mips_split_symbol): Accept arbitrary source
7182         values and return true if they can be split.  Take the same kind of
7183         mode argument as mips_symbol_insns.  Add a "lo_sum_out" parameter
7184         and store the lo_sum there if nonnull.  Use the symbol type to
7185         determine whether a $gp or HIGH is needed.
7186         (mips_legitimize_address): Update call to mips_split_symbol and
7187         simplify accordingly.
7188         (mips_legitimize_const_move): Likewise.
7189         * config/mips/mips.md: In the combine define_split,
7190         check mips_split_symbol instead of splittable_symbolic_operand.
7191         Update use of mips_split_symbol in the generator code.
7192         * config/mips/predicates.md (splittable_symbolic_operand): Delete.
7193
7194 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7195
7196         * config/mips/mips.c (mips_symbolic_address_p): Delete.
7197         (mips_symbol_insns_1): New function, split out from...
7198         (mips_symbol_insns): ...here.  Take a mode argument.  Treat loads
7199         and stores separately from load addresses.
7200         (mips_classify_address): Replace uses of mips_symbolic_address_p
7201         with uses of mips_symbol_insns.
7202         (mips_address_insns): Update calls to mips_symbol_insns.
7203         (mips_const_insns): Likewise.
7204         (mips_legitimize_address): Likewise.
7205
7206 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7207
7208         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type.
7209         * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS
7210         block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS.
7211         Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for
7212         non-call contexts if TARGET_MIPS16.
7213         (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM.
7214         (mips_symbolic_address_p): Likewise.  Remove special TARGET_MIPS16
7215         code for SYMBOL_ABSOLUTE.
7216         (mips_symbol_insns): Likewise.
7217
7218 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7219
7220         * config/mips/mips-protos.h (mips_symbol_context): New enumeration.
7221         * config/mips/mips.c (mips_classify_symbol): Take a context argument.
7222         (mips_symbolic_constant_p): Likewise.  Update the call to
7223         mips_classify_symbol.
7224         (mips_classify_address): Update the calls to mips_symbolic_constant_p.
7225         (mips_const_insns): Likewise.  Update the call to mips_classify_symbol.
7226         (mips_legitimize_address): Update the call to mips_symbolic_constant_p.
7227         (print_operand_reloc): Add a context argument.  Update the call to
7228         mips_symbolic_constant_p.
7229         (print_operand): Update the calls to print_operand_reloc.
7230         (print_operand_address): Use print_operand_reloc rather than
7231         print_operand.
7232         (mips_rewrite_small_data_p): Add a context argument.  Update the call
7233         to mips_symbolic_constant_p.
7234         (mips_small_data_pattern_1): Make DATA the containing mem.
7235         Update the call to mips_rewrite_small_data_p.
7236         (mips_rewrite_small_data_1): Likewise.
7237         (mips_use_anchors_for_symbol_p): Update the call to
7238         mips_symbolic_constant_p.
7239         * config/mips/predicates.md (const_call_insn_operand): Likewise.
7240         (splittable_symbolic_operand): Likewise.
7241         (move_operand): Likewise.
7242         (absolute_symbolic_operand): Likewise.
7243         (got_disp_operand): Likewise.
7244         (got_page_ofst_operand): Likewise.
7245
7246 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7247
7248         * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to...
7249         (SYMBOL_ABSOLUTE): ...this.
7250         (SYMBOL_SMALL_DATA): Rename to...
7251         (SYMBOL_GP_RELATIVE): ...this.
7252         (SYMBOL_CONSTANT_POOL): Rename to...
7253         (SYMBOL_PC_RELATIVE): ...this.
7254         * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p)
7255         (mips_symbolic_address_p, mips_symbol_insns, override_options)
7256         (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update
7257         after above changes.
7258         * config/mips/predicates.md (const_call_insn_operand): Likewise.
7259         (general_symbolic_operand): Rename to...
7260         (absolute_symbolic_operand): ...this.
7261         * config/mips/mips.md: Update after above changes.
7262
7263 2007-08-08  Vladimir Yanovsky  <yanov@il.ibm.com>
7264             Revital Eres  <eres@il.ibm.com>
7265
7266         * ddg.c (print_ddg): Add dump information.
7267         * modulo-sched.c (print_node_sched_params): Add parameter and
7268         verbosity.
7269         (calculate_maxii): Remove function.
7270         (undo_generate_reg_moves): Likewise.
7271         (undo_permute_partial_schedule): Likewise.
7272         (kernel_number_of_cycles): Likewise.
7273         (MAXII_FACTOR): New definition to calculate the upper bound of II.
7274         (sms_schedule): Use it.  Remove profitability checks.
7275         (sms_schedule_by_order): Fix order of nodes within the cycle.
7276
7277 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
7278
7279         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add
7280         -profile option, add pie support.
7281         (ENDFILE_SPEC): New spec.
7282         * config/gnu.h (LIB_SPEC): Add -profile option.
7283
7284 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
7285
7286         * config/i386/gnu.h (CPP_SPEC): Add -pthread option.
7287         * config/gnu.h (LIB_SPEC): Likewise.
7288
7289 2007-08-07  Yaz Saito  <saito@google.com>
7290             Ian Lance Taylor  <iant@google.com>
7291
7292         * common.opt (finstrument-functions-exclude-function-list): New
7293         option.
7294         (finstrument-functions-exclude-file-list): New option.
7295         * opts.c (char_p): Define and DEF_VEC.
7296         (flag_instrument_functions_exclude_functions): New static
7297         variable.
7298         (flag_instrument_functions_exclude_files): New static variable.
7299         (add_instrument_functions_exclude_list): New static function.
7300         (flag_instrument_functions_exclude_p): New function.
7301         (common_handle_option): Handle new options.
7302         * flags.h (flag_instrument_functions_exclude_p): Declare.
7303         * gimplify.c (gimplify_function_tree): Call
7304         flag_instrument_functions_exclude_p.
7305         * doc/invoke.texi (Option Summary): Mention new options.
7306         (Code Gen Options): Document new options.
7307
7308 2007-08-07  Ian Lance Taylor  <iant@google.com>
7309
7310         PR rtl-optimization/32776
7311         * lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
7312         (resolve_use): Likewise.
7313         (decompose_multiword_subregs): Remove "changed" local variable.
7314
7315 2007-08-07  Carlos O'Donell  <carlos@codesourcery.com>
7316
7317         * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.
7318         * configure: Regenerate.
7319         * config.in: Regenerate.
7320         * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options
7321         spec string.
7322
7323 2007-08-07  Ian Lance Taylor  <iant@google.com>
7324
7325         * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL
7326         note, just delete the insn.
7327
7328 2007-08-07  Andreas Schwab  <schwab@suse.de>
7329
7330         PR bootstrap/32973
7331         * gengtype-lex.l: Ignore backslash/newline pair while scanning a
7332         struct definition.
7333
7334 2007-08-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7335
7336         * lower-subreg.c (resolve_subreg_use): Remove assertion.
7337         (find_decomposable_shift_zext, resolve_shift_zext): New functions.
7338         (decompose_multiword_subregs): Use the functions above to decompose
7339         multiword shifts and zero-extends.
7340
7341 2007-08-07  Rask Ingemann Lambertsen  <rask@sygehus.dk>
7342
7343         * doc/sourcebuild.texi (Test Directives): Fix "compile" and
7344         "assemble" descriptions which were swapped.
7345
7346 2007-08-06  Chao-ying Fu  <fu@mips.com>
7347
7348         * fixed-value.h: New file.
7349         * fixed-value.c: New file.
7350         * Makefile.in (OBJS-common): Add fixed-value.o.
7351         (fixed-value.o): New rule.
7352         (GTFILES): Add fixed-value.h.
7353         * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT
7354         to compare a.low and b.low.
7355         * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef.
7356
7357 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7358             Daniel Jacobowitz  <dan@codesourcery.com>
7359
7360         PR target/31868
7361         * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to
7362         tmake_file.
7363         (x86_64-*-netbsd*): Likewise.
7364         (x86_64-*-linux*): Likewise.
7365         (x86_64-*-kfreebsd*-gnu): Likewise.
7366         (x86_64-*-knetbsd*-gnu): Likewise.
7367         (i[34567]86-*-solaris2.1[0-9]*): Likewise.
7368
7369         * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed.
7370
7371         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments.
7372         Add -fno-asynchronous-unwind-tables.
7373
7374         * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS).
7375         * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise.
7376         * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise.
7377         * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise.
7378         * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise.
7379
7380 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7381
7382         * config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
7383         (TARGET_C_MODE_FOR_SUFFIX): New.
7384
7385 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7386
7387         * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'.
7388
7389 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7390
7391         * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo.
7392
7393 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7394
7395         * config/i386/i386.md: Check TARGET_ macros and optimize_size
7396         before checking function returns in conditional expressions.
7397
7398 2007-08-06  Alfred Minarik  <a.minarik@aon.at>
7399
7400         PR pch/13676
7401         * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header.
7402
7403 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7404
7405         PR middle-end/32988
7406         * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check
7407         for INTEGRAL_TYPE_P.
7408
7409 2008-08-05  Paolo Bonzini  <bonzini@gnu.org>
7410
7411         * configure.ac: Remove --enable-checking=df from default settings.
7412         * tree-pass.h (TODO_df_verify): New.  Shift TODO_mark_first_instance.
7413         * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification
7414         if the parameter is true.
7415         (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the
7416         DF_VERIFY_SCHEDULED flag is true.
7417         * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED.
7418         (df_finish_pass): Adjust prototype.
7419         * passes.c (execute_todo): Schedule verification if TODO_df_verify is
7420         true.
7421
7422         * see.c (pass_see): Add TODO_df_verify.
7423         * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify.
7424         * global.c (rest_of_handle_global_alloc): Schedule verification
7425         after the pass.
7426         * local-alloc.c (rest_of_handle_local_alloc): Schedule verification
7427         before the pass.
7428         * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify.
7429         * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass.
7430         * loop-iv.c (iv_analysis_done): Schedule verification after the pass.
7431
7432         * config/sh/sh.c (sh_output_mi_thunk): Remove dead code.
7433         * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass.
7434         * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass.
7435
7436 2007-08-05  Vladimir Yanovsky  <yanov@il.ibm.com>
7437             Revital Eres <eres@il.ibm.com>
7438
7439         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new
7440         flag.
7441         * ddg.c (create_ddg_dependence): Rename to...
7442         (create_ddg_dep_from_intra_loop_link): This.  Do not check
7443         for interloop edges.  Do not create anti dependence edge when
7444         a true dependence edge exists in the opposite direction and
7445         -fmodulo-sched-allow-regmoves is set.
7446         (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link.
7447         (add_cross_iteration_register_deps): Create anti dependence edge
7448         when -fno-modulo-sched-allow-regmoves is set.
7449         * common.opt (-fmodulo-sched-allow-regmoves): New flag.
7450
7451 2007-08-04  Richard Sandiford  <richard@codesourcery.com>
7452
7453         * config/arm/arm.md (movsi): Add braces.
7454
7455 2007-08-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7456
7457         PR middle-end/32780
7458         * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of
7459         operands for the folding of "A - (A & B)" into "~B & A"; cast them
7460         to type.
7461
7462 2007-08-03  Zdenek Dvorak  <ook@ucw.cz>
7463
7464         * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops'
7465         state accessor functions.
7466         * cfgloopmanip.c (remove_path, create_preheaders,
7467         force_single_succ_latches, fix_loop_structure): Ditto.
7468         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7469         tree_duplicate_loop_to_header_edge): Ditto.
7470         * cfgloopanal.c (mark_irreducible_loops): Ditto.
7471         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
7472         Ditto.
7473         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
7474         cleanup_tree_cfg): Ditto.
7475         * tree-cfg.c (tree_merge_blocks): Ditto.
7476         * cfgloop.c (rescan_loop_exit, record_loop_exits,
7477         release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
7478         loop_preheader_edge, single_exit): Ditto.
7479         (flow_loops_find): Do not clear loops->state.
7480         * cfgloop.h (loops_state_satisfies_p, loops_state_set,
7481         loops_state_clear): New functions.
7482
7483 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7484
7485         PR middle-end/32399
7486         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
7487         when adding to the base and convert ELT to sizetype instead of type.
7488
7489 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7490
7491         PR middle-end/32304
7492         * ipa-reference.c (has_proper_scope_for_analysis): Return false when
7493         the decl's type has TYPE_NEEDS_CONSTRUCTING set.
7494
7495 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7496
7497         PR middle-end/32935
7498         * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the
7499          correct type the negate expression.
7500
7501 2007-08-03  Jan Hubicka  <jh@suse.cz>
7502
7503         * i386.c (setup_incoming_varargs_64): Tolerate 64bit preferred
7504         stack boundary.
7505
7506 2007-08-03  David Edelsohn  <edelsohn@gnu.org>
7507
7508         * config/rs6000/rs6000.c (struct processor_cost): Change
7509         l1_cache_lines to l1_cache_size.  Add l2_cache_size.
7510         (*_cost): Convert l1 cache information to kilobytes.  Add l2 cache
7511         information.
7512         (rios1_costs, rios2_cost): Correct cache line size.
7513         (rs6000_override_options): Set l2-cache-size parameter.
7514
7515 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7516             Diego Novillo  <dnovillo@google.com>
7517
7518         PR 31521
7519         * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
7520         if the range includes 0.
7521
7522 2007-08-03  Ben Elliston  <bje@au.ibm.com>
7523
7524         * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate
7525         mode to unspec expressions to silence a warning from the generator
7526         programs.
7527
7528 2007-08-02  Steve Ellcey  <sje@cup.hp.com>
7529
7530         * config/ia64/constraints.md ("U"): Make constraint vector only.
7531
7532 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7533
7534         PR middle-end/25446
7535         * c-objc-common.c (c_cannot_inline_tree_fn): Check for an
7536         always_inline attribute on the function decl.
7537
7538 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7539
7540         PR middle-end/25445
7541         * varasm.c (default_binds_local_p_1): Consult flag_whole_program
7542         if we are compiling with -fPIC.
7543
7544 2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
7545             Nigel Stephens  <nigel@mips.com>
7546
7547         * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
7548         Define for MIPS32 and MIPS64.
7549
7550 2007-08-02  Nick Clifton  <nickc@redhat.com>
7551
7552         * config/host-hpux.c: Change copyright header to refer to version
7553         3 of the GNU General Public License and to point readers at the
7554         COPYING3 file and the FSF's license web page.
7555         * config/alpha/predicates.md, config/alpha/vms-ld.c,
7556         config/alpha/linux.h, config/alpha/alpha.opt,
7557         config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h,
7558         config/alpha/vms-unwind.h, config/alpha/ev4.md,
7559         config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c,
7560         config/alpha/alpha.h, config/alpha/sync.md,
7561         config/alpha/openbsd.h, config/alpha/alpha.md,
7562         config/alpha/alpha-modes.def, config/alpha/ev5.md,
7563         config/alpha/alpha-protos.h, config/alpha/freebsd.h,
7564         config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h,
7565         config/alpha/constraints.md, config/alpha/osf.h,
7566         config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h,
7567         config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h,
7568         config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def,
7569         config/frv/frv-asm.h, config/frv/frv-protos.h,
7570         config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h,
7571         config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h,
7572         config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt,
7573         config/s390/2064.md, config/s390/2084.md, config/s390/s390.md,
7574         config/s390/s390.opt, config/s390/s390-modes.def,
7575         config/s390/fixdfdi.h, config/s390/constraints.md,
7576         config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h,
7577         config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md,
7578         config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md,
7579         config/m32c/m32c-pragma.c, config/m32c/m32c.h,
7580         config/m32c/prologue.md, config/m32c/m32c.abi,
7581         config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md,
7582         config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt,
7583         config/m32c/t-m32c, config/m32c/m32c-modes.def,
7584         config/m32c/jump.md, config/m32c/shift.md,
7585         config/m32c/m32c-protos.h, config/libgloss.h,
7586         config/spu/spu-protos.h, config/spu/predicates.md,
7587         config/spu/spu-builtins.h, config/spu/spu.c,
7588         config/spu/spu-builtins.def, config/spu/spu-builtins.md,
7589         config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md,
7590         config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt,
7591         config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h,
7592         config/sparc/hypersparc.md, config/sparc/predicates.md,
7593         config/sparc/linux.h, config/sparc/sp64-elf.h,
7594         config/sparc/supersparc.md, config/sparc/cypress.md,
7595         config/sparc/openbsd1-64.h, config/sparc/openbsd64.h,
7596         config/sparc/niagara.md, config/sparc/sparc.md,
7597         config/sparc/long-double-switch.opt, config/sparc/ultra3.md,
7598         config/sparc/sparc.opt, config/sparc/sync.md,
7599         config/sparc/sp-elf.h, config/sparc/sparc-protos.h,
7600         config/sparc/ultra1_2.md, config/sparc/biarch64.h,
7601         config/sparc/sparc.c, config/sparc/little-endian.opt,
7602         config/sparc/sysv4-only.h, config/sparc/sparc.h,
7603         config/sparc/linux64.h, config/sparc/freebsd.h,
7604         config/sparc/sol2.h, config/sparc/rtemself.h,
7605         config/sparc/netbsd-elf.h, config/sparc/vxworks.h,
7606         config/sparc/sparc-modes.def, config/sparc/sparclet.md,
7607         config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h,
7608         config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md,
7609         config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt,
7610         config/m32r/linux.h, config/m32r/constraints.md,
7611         config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt,
7612         config/darwin-c.c, config/darwin.opt, config/i386/i386.h,
7613         config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h,
7614         config/i386/i386.md, config/i386/netware-crt0.c,
7615         config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h,
7616         config/i386/kaos-i386.h, config/i386/winnt-stubs.c,
7617         config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h,
7618         config/i386/sol2.h, config/i386/constraints.md,
7619         config/i386/netware-libgcc.c, config/i386/sysv5.h,
7620         config/i386/predicates.md, config/i386/geode.md,
7621         config/i386/x86-64.h, config/i386/kfreebsd-gnu.h,
7622         config/i386/freebsd64.h, config/i386/vxworksae.h,
7623         config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h,
7624         config/i386/rtemself.h, config/i386/netbsd-elf.h,
7625         config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c,
7626         config/i386/netware.h, config/i386/i386-modes.def,
7627         config/i386/sysv4-cpp.h, config/i386/i386-interix.h,
7628         config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h,
7629         config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h,
7630         config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h,
7631         config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md,
7632         config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt,
7633         config/i386/xm-mingw32.h, config/i386/linux64.h,
7634         config/i386/openbsdelf.h, config/i386/xm-cygwin.h,
7635         config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h,
7636         config/i386/winnt-cxx.c, config/i386/i386-interix3.h,
7637         config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c,
7638         config/i386/cygwin2.c, config/i386/i386-protos.h,
7639         config/i386/sync.md, config/i386/openbsd.h,
7640         config/i386/host-mingw32.c, config/i386/i386-aout.h,
7641         config/i386/nto.h, config/i386/biarch64.h,
7642         config/i386/i386-coff.h, config/i386/freebsd.h,
7643         config/i386/driver-i386.c, config/i386/knetbsd-gnu.h,
7644         config/i386/host-i386-darwin.c, config/i386/vxworks.h,
7645         config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h,
7646         config/darwin-protos.h, config/linux.opt, config/sol2.c,
7647         config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h,
7648         config/sh/linux.h, config/sh/elf.h, config/sh/superh.h,
7649         config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h,
7650         config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h,
7651         config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md,
7652         config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h,
7653         config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c,
7654         config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def,
7655         config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md,
7656         config/sh/superh64.h, config/sh/rtemself.h,
7657         config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h,
7658         config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h,
7659         config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c,
7660         config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def,
7661         config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h,
7662         config/avr/predicates.md, config/avr/constraints.md,
7663         config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt,
7664         config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h,
7665         config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h,
7666         config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt,
7667         config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt,
7668         config/c4x/c4x-modes.def, config/c4x/rtems.h,
7669         config/c4x/predicates.md, config/c4x/c4x.h,
7670         config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h,
7671         config/xtensa/predicates.md, config/xtensa/xtensa.c,
7672         config/xtensa/linux.h, config/xtensa/xtensa.h,
7673         config/xtensa/elf.h, config/xtensa/xtensa.md,
7674         config/xtensa/xtensa.opt, config/xtensa/constraints.md,
7675         config/xtensa/xtensa-protos.h, config/dbx.h,
7676         config/stormy16/predicates.md, config/stormy16/stormy16.md,
7677         config/stormy16/stormy16.c, config/stormy16/stormy16.opt,
7678         config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h,
7679         config/host-solaris.c, config/fr30/fr30.h,
7680         config/fr30/predicates.md, config/fr30/fr30-protos.h,
7681         config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt,
7682         config/vxworksae.h, config/sol2-c.c, config/lynx.h,
7683         config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md,
7684         config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c,
7685         config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h,
7686         config/m68hc11/m68hc12.h, config/openbsd-oldgas.h,
7687         config/host-linux.c, config/interix3.h, config/cris/cris.c,
7688         config/cris/predicates.md, config/cris/linux.h,
7689         config/cris/cris.h, config/cris/aout.h, config/cris/cris.md,
7690         config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt,
7691         config/cris/aout.opt, config/cris/cris-protos.h,
7692         config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h,
7693         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7694         config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md,
7695         config/iq2000/iq2000.c, config/iq2000/iq2000.opt,
7696         config/host-darwin.c, config/mt/mt.md, config/mt/mt.c,
7697         config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h,
7698         config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h,
7699         config/chorus.h, config/mn10300/mn10300.c,
7700         config/mn10300/mn10300.opt, config/mn10300/predicates.md,
7701         config/mn10300/mn10300.h, config/mn10300/linux.h,
7702         config/mn10300/constraints.md, config/mn10300/mn10300-protos.h,
7703         config/mn10300/mn10300.md, config/ia64/predicates.md,
7704         config/ia64/itanium1.md, config/ia64/unwind-ia64.h,
7705         config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c,
7706         config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md,
7707         config/ia64/freebsd.h, config/ia64/ia64.md,
7708         config/ia64/ia64-modes.def, config/ia64/constraints.md,
7709         config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h,
7710         config/gofast.h, config/rtems.h, config/sol2-10.h,
7711         config/m68k/predicates.md, config/m68k/m68k.md,
7712         config/m68k/linux.h, config/m68k/m68k-modes.def,
7713         config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h,
7714         config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt,
7715         config/m68k/openbsd.h, config/m68k/m68k-aout.h,
7716         config/m68k/m68k.opt, config/m68k/m68020-elf.h,
7717         config/m68k/m68kelf.h, config/m68k/m68k-devices.def,
7718         config/m68k/uclinux-oldabi.h, config/m68k/m68k.c,
7719         config/m68k/constraints.md, config/m68k/rtemself.h,
7720         config/m68k/netbsd-elf.h, config/m68k/m68k.h,
7721         config/m68k/uclinux.h, config/rs6000/power4.md,
7722         config/rs6000/host-darwin.c, config/rs6000/6xx.md,
7723         config/rs6000/linux.h, config/rs6000/eabi.h,
7724         config/rs6000/aix41.opt, config/rs6000/xcoff.h,
7725         config/rs6000/secureplt.h, config/rs6000/linuxspe.h,
7726         config/rs6000/eabialtivec.h, config/rs6000/8540.md,
7727         config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h,
7728         config/rs6000/windiss.h, config/rs6000/603.md,
7729         config/rs6000/aix41.h, config/rs6000/cell.md,
7730         config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h,
7731         config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt,
7732         config/rs6000/darwin.md, config/rs6000/darwin64.h,
7733         config/rs6000/default64.h, config/rs6000/7xx.md,
7734         config/rs6000/darwin.opt, config/rs6000/spe.md,
7735         config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c,
7736         config/rs6000/rios2.md, config/rs6000/linuxaltivec.h,
7737         config/rs6000/7450.md, config/rs6000/linux64.h,
7738         config/rs6000/constraints.md, config/rs6000/440.md,
7739         config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c,
7740         config/rs6000/rs6000.c, config/rs6000/aix52.h,
7741         config/rs6000/rs6000.h, config/rs6000/power6.md,
7742         config/rs6000/predicates.md, config/rs6000/altivec.md,
7743         config/rs6000/aix64.opt, config/rs6000/rios1.md,
7744         config/rs6000/rs6000-modes.def, config/rs6000/rs64.md,
7745         config/rs6000/eabisim.h, config/rs6000/sysv4le.h,
7746         config/rs6000/darwin7.h, config/rs6000/dfp.md,
7747         config/rs6000/linux64.opt, config/rs6000/sync.md,
7748         config/rs6000/vxworksae.h, config/rs6000/power5.md,
7749         config/rs6000/lynx.h, config/rs6000/biarch64.h,
7750         config/rs6000/rs6000.md, config/rs6000/sysv4.opt,
7751         config/rs6000/eabispe.h, config/rs6000/e500.h,
7752         config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h,
7753         config/rs6000/netbsd.h, config/rs6000/e500-double.h,
7754         config/rs6000/aix.h, config/rs6000/vxworks.h,
7755         config/rs6000/40x.md, config/rs6000/aix51.h,
7756         config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md,
7757         config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def,
7758         config/arc/arc.h, config/mcore/mcore-elf.h,
7759         config/mcore/mcore-protos.h, config/mcore/predicates.md,
7760         config/mcore/mcore.md, config/mcore/mcore.c,
7761         config/mcore/mcore.opt, config/mcore/mcore.h,
7762         config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h,
7763         config/score/predicates.md, config/score/score-version.h,
7764         config/score/score-protos.h, config/score/misc.md,
7765         config/score/elf.h, config/score/score.c, config/score/mac.md,
7766         config/score/score7.md, config/score/score.h,
7767         config/score/score-conv.h, config/score/score-mdaux.c,
7768         config/score/score.md, config/score/score.opt,
7769         config/score/score-modes.def, config/score/score-mdaux.h,
7770         config/score/mul-div.S, config/arm/uclinux-elf.h,
7771         config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md,
7772         config/arm/symbian.h, config/arm/linux-elf.h,
7773         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
7774         config/arm/elf.h, config/arm/aout.h, config/arm/arm.c,
7775         config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h,
7776         config/arm/strongarm-pe.h, config/arm/arm.h,
7777         config/arm/cortex-a8-neon.md, config/arm/semiaof.h,
7778         config/arm/cortex-a8.md, config/arm/uclinux-eabi.h,
7779         config/arm/arm-modes.def, config/arm/linux-eabi.h,
7780         config/arm/rtems-elf.h, config/arm/neon-schedgen.ml,
7781         config/arm/arm-cores.def, config/arm/arm-protos.h,
7782         config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h,
7783         config/arm/wince-pe.h, config/arm/neon.md,
7784         config/arm/constraints.md, config/arm/neon.ml,
7785         config/arm/xscale-elf.h, config/arm/strongarm-coff.h,
7786         config/arm/arm.opt, config/arm/arm926ejs.md,
7787         config/arm/predicates.md, config/arm/iwmmxt.md,
7788         config/arm/arm_neon.h, config/arm/unknown-elf.h,
7789         config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt,
7790         config/arm/neon-testgen.ml, config/arm/arm.md,
7791         config/arm/xscale-coff.h, config/arm/pe.c,
7792         config/arm/arm-generic.md, config/arm/pe.h,
7793         config/arm/kaos-strongarm.h, config/arm/freebsd.h,
7794         config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md,
7795         config/arm/strongarm-elf.h, config/arm/cirrus.md,
7796         config/arm/netbsd-elf.h, config/arm/vxworks.h,
7797         config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c,
7798         config/pa/predicates.md, config/pa/pa64-hpux.h,
7799         config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt,
7800         config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h,
7801         config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h,
7802         config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h,
7803         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
7804         config/pa/pa-hpux1010.h, config/pa/pa-protos.h,
7805         config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h,
7806         config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h,
7807         config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt,
7808         config/pa/pa64-regs.h, config/pa/pa-modes.def,
7809         config/pa/constraints.md, config/darwin9.h, config/mips/4100.md,
7810         config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h,
7811         config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h,
7812         config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md,
7813         config/mips/7000.md, config/mips/9000.md, config/mips/4600.md,
7814         config/mips/linux64.h, config/mips/elforion.h,
7815         config/mips/constraints.md, config/mips/generic.md,
7816         config/mips/predicates.md, config/mips/4300.md,
7817         config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md,
7818         config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md,
7819         config/mips/5k.md, config/mips/vr4120-div.S,
7820         config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md,
7821         config/mips/mips-protos.h, config/mips/6000.md,
7822         config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h,
7823         config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h,
7824         config/mips/mips-modes.def, config/mips/vr.h,
7825         config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h,
7826         config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h,
7827         config/vax/vax.h, config/vax/elf.h, config/vax/vax.md,
7828         config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def,
7829         config/vax/openbsd1.h, config/vax/netbsd.h,
7830         config/vax/vax-protos.h, config/vax/netbsd-elf.h,
7831         config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h,
7832         config/h8300/rtems.h, config/h8300/predicates.md,
7833         config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h,
7834         config/h8300/h8300.md, config/h8300/h8300.opt,
7835         config/h8300/coff.h, config/h8300/h8300-protos.h,
7836         config/v850/v850.md, config/v850/predicates.md,
7837         config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt,
7838         config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c,
7839         config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h,
7840         config/mmix/mmix.h, config/mmix/predicates.md,
7841         config/mmix/mmix-protos.h, config/mmix/mmix.md,
7842         config/mmix/mmix.c, config/mmix/mmix.opt,
7843         config/mmix/mmix-modes.def, config/bfin/bfin.opt,
7844         config/bfin/rtems.h, config/bfin/bfin-modes.def,
7845         config/bfin/predicates.md, config/bfin/bfin-protos.h,
7846         config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md:
7847         Likewise.
7848
7849 2007-08-02  Richard Sandiford  <richard@codesourcery.com>
7850
7851         * emit-rtl.c (reset_used_decls): Rename to...
7852         (set_used_decls): ...this.  Set the used flag rather than clearing it.
7853         (unshare_all_rtl_again): Update accordingly.  Set flags on argument
7854         DECL_RTLs rather than resetting them.
7855
7856 2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>
7857
7858         * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
7859
7860 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7861
7862         * reload.c (find_reloads_address_part): Pass correct MEMREFLOC
7863         argument to find_reloads_address.
7864
7865 2007-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
7866
7867         PR tree-optimization/32919
7868         * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs.
7869         * tree-ssa-coalesce.c (ssa_conflicts_dump): New.
7870         (coalesce_ssa_name): Call it.
7871
7872 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7873             David Ung  <davidu@mips.com>
7874
7875         * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
7876         (__mips16_unorddf2, __mips16_floatunsidf): New.
7877         * config/mips/mips.c (mips_init_libfuncs): Add optab entries for
7878         above functions.
7879         * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions.
7880
7881 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7882
7883         * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH.
7884         Display new operands of OMP_SECTIONS and OMP_CONTINUE.
7885         * tree.h (OMP_SECTIONS_CONTROL): New macro.
7886         (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH.
7887         * omp-low.c (get_ws_args_for, determine_parallel_type,
7888         expand_omp_for_generic, expand_omp_for_static_nochunk,
7889         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
7890         Work with more precise CFG.
7891         (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH.
7892         (lower_omp_sections): Emit OMP_SECTIONS_SWITCH.  Add arguments to
7893         OMP_CONTINUE.
7894         * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH.
7895         * gimple-low.c (lower_stmt): Ditto.
7896         * tree-inline.c (estimate_num_insns_1): Ditto.
7897         * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands.
7898         (OMP_SECTIONS_SWITCH): New.
7899         * tree-cfgcleanup.c (cleanup_omp_return): New.
7900         (cleanup_tree_cfg_bb): Call cleanup_omp_return.
7901         * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE
7902         and exit edge for OMP_FOR.  Handle OMP_SECTIONS_SWITCH.
7903         (tree_redirect_edge_and_branch): Handle omp constructs.
7904
7905         * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS
7906         with three arguments.
7907
7908 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7909
7910         * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only
7911         in loop closed ssa.
7912
7913 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7914
7915         * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that
7916         the loop structures may need fixing.
7917         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
7918         New functions.
7919         (cleanup_tree_cfg_loop): Removed.
7920         (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures.
7921         * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg
7922         instead of running cleanup_tree_cfg_loop.
7923         * cfgloop.h (LOOPS_NEED_FIXUP): New constant.
7924         * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed.
7925         (tree_predictive_commoning): Declaration changed.
7926         * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop.
7927
7928 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7929
7930         * doc/invoke.texi (l1-cache-size): Update documentation.
7931         (l2-cache-size): Document.
7932         * params.h (L2_CACHE_SIZE): New macro.
7933         * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
7934         that L1_CACHE_SIZE is in kB now.
7935         (L2_CACHE_SIZE_BYTES): New macro.
7936         (tree_ssa_prefetch_arrays): Show size in kB.
7937         * config/i386/i386.h (struct processor_costs): Add l1_cache_size
7938         and l2_cache_size fields.
7939         * config/i386/driver-i386.c (describe_cache): Detect cache size
7940         in kB.
7941         * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
7942         pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
7943         amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
7944         generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
7945         (override_options): Set l1-cache-size and l2-cache-size to default
7946         values if not specified otherwise.
7947         * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
7948         (PARAM_L2_CACHE_SIZE): New.
7949
7950 2007-08-01  Nigel Stephens  <nigel@mips.com>
7951             David Ung  <davidu@mips.com>
7952             Thiemo Seufer  <ths@mips.com>
7953             Chris Dearman  <chris@mips.com>
7954             Richard Sandiford  <richard@codesourcery.com>
7955
7956         * config.gcc (mips*-sde-elf*): New stanza.
7957         (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
7958         (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
7959         (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*)
7960         (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*)
7961         (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss)
7962         (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16
7963         to tmake_file.
7964         * config/mips/sde.h: New file.
7965         * config/mips/t-libgcc-mips16: Likewise.
7966         * config/mips/t-sde: Likewise.
7967         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings
7968         of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR,
7969         _MIPS_FPSET and _MIPS_SZINT.
7970         * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise.
7971         * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate
7972         insertion of a default -mips option.  Use MIPS_32BIT_OPTION_SPEC.
7973         * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete.
7974         * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7975         * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7976         * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32,
7977         _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG,
7978         _MIPS_SZPTR and _MIPS_FPSET.
7979         (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no
7980         architecture is specified.
7981         (MIPS_32BIT_OPTION_SPEC): New macro.
7982
7983 2007-07-31  Dan Hipschman  <dsh@google.com>
7984
7985         * gcc.c (end_going_arg): New function.
7986         (do_spec_2): Use it.
7987         (do_spec_1): Use it.
7988
7989 2007-07-31  H.J. Lu  <hongjiu.lu@intel.com>
7990
7991         * ddg.c (add_cross_iteration_register_deps): Declare bb_info
7992         only if ENABLE_CHECKING is defined.
7993
7994 2007-07-31  Kenneth Zadeck <zadeck@naturalbridge.com>
7995
7996         * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru,
7997         df_ru_add_problem, df_ru_get_bb_info): Removed.
7998         (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered.
7999         * df-problems.c (df_ru_problem_data, df_ru_set_bb_info,
8000         df_ru_free_bb_info, df_ru_alloc,
8001         df_ru_bb_local_compute_process_def,
8002         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8003         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8004         df_ru_transfer_function, df_ru_free, df_ru_start_dump,
8005         df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU,
8006         df_ru_add_problem): Removed.
8007
8008 2007-07-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8009
8010         PR target/32847
8011         * pa.md (casesi32): Use match_scratch.  Revise insn condition.
8012         (casesi32p, casesi64p): Likewise.
8013         (casesi): Adjust for above.
8014
8015 2007-07-31  Richard Sandiford  <richard@codesourcery.com>
8016
8017         * mode-switching.c (create_pre_exit): Don't search past calls.
8018
8019 2007-07-31  Sandra Loosemore  <sandra@codesourcery.com>
8020
8021         * config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
8022
8023 2007-07-31  Revital Eres  <eres@il.ibm.com>
8024
8025         * ddg.c (add_deps_for_def): Rename to...
8026         (add_cross_iteration_register_deps): This.  Change implementation
8027         to use only reaching def and def-use chains to construct the
8028         inter loop dependencies.
8029         (add_deps_for_use): Remove function.
8030         (build_inter_loop_deps): Call add_cross_iteration_register_deps
8031         function to build the inter loop dependencies.
8032         * modulo-sched.c (sms_schedule): Build only
8033         reaching def and def-use chains for the propose of the ddg
8034         construction.
8035
8036 2007-07-31  Julian Brown  <julian@codesourcery.com>
8037
8038         * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal):
8039         New define_insns. Use correct RTL.
8040         (vec_set<mode>): Write as expander.
8041
8042 2007-07-31  Razya Ladelsky  <razya@il.ibm.com>
8043
8044         * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring
8045         to an unallocated space.
8046
8047 2007-07-30  Jan Sjodin  <jan.sjodin@amd.com>
8048
8049         * tree-data-ref.c
8050         (split_constant_offset): Enable split_constant_offset to extract
8051         constants from other statements.
8052         * tree-vect-transform.c
8053         (vect_create_addr_base_for_vector_ref): Generate data_ref_base
8054         to a temp var. Force base_offset to be simple.
8055
8056 2007-07-30  Seongbae Park <seongbae.park@gmail.com>
8057
8058         * df-scan.c (df_scan_verify): Remove artificial limit on
8059         the number of blocks for verification.
8060         * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
8061         df_simulate_defs): Avoid unnecessary insn checking for defs.
8062
8063 2007-07-29  Mark Mitchell  <mark@codesourcery.com>
8064
8065         * config/m68k/lb1sf68.asm (FUNC): New macro.
8066         (__mulsi3): Use it.
8067         (__udivsi3): Likewise.
8068         (__divsi3): Likewise.
8069         (__umodsi3): Likewise.
8070         (__modsi3): Likewise.
8071         (__subdf3): Likewise.
8072         (__adddf3): Likewise.
8073         (__muldf3): Likewise.
8074         (__divdf3): Likewise.
8075         (__negdf2): Likewise.
8076         (__cmpdf2): Likewise.
8077         (__subsf3): Likewise.
8078         (__addsf3): Likewise.
8079         (__mulsf3): Likewise.
8080         (__divsf3): Likewise.
8081         (__negsf2): Likewise.
8082         (__cmpsf2): Likewise.
8083         (__eqdf2): Likewise.
8084         (__nedf2): Likewise.
8085         (__gtdf2): Likewise.
8086         (__gedf2): Likewise.
8087         (__ltdf2): Likewise.
8088         (__ledf2): Likewise.
8089         (__eqsf2): Likewise.
8090         (__nesf2): Likewise.
8091         (__gtsf2): Likewise.
8092         (__gesf2): Likewise.
8093         (__ltsf2): Likewise.
8094         (__lesf2): Likewise.
8095
8096 2007-07-30  Ollie Wild  <aaw@google.com>
8097
8098         * c-ppoutput.c (print_lines_directives_only): New function.
8099         (scan_translation_unit_directives_only): New function.
8100         (preprocess_file): Add call to scan_translation_unit_directives_only.
8101         * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
8102         (sanitize_cpp_opts): Add default flag_dump_macros setting for
8103         -fdirectives-only.  Add errors for -fdirectives-only conflict with
8104         -Wunused-macros and -traditional.
8105         (finish_options): Add builtin macro initialization for
8106         -fdirectives-only + -fpreprocessed.
8107         * c.opt (fdirectives-only): New.
8108         * doc/cppopts.texi (fdirectives-only): New.
8109
8110 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8111
8112         * alias.c (record_set, memory_modified_1): Constify.
8113         * bt-load.c (note_btr_set): Likewise.
8114         * caller-save.c (mark_set_regs, add_stored_regs): Likewise.
8115         * combine.c (set_nonzero_bits_and_sign_copies,
8116         expand_field_assignment, record_dead_and_set_regs_1,
8117         use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
8118         likely_spilled_retval_1): Likewise.
8119         * config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
8120         frv_io_handle_set): Likewise.
8121         * config/mips/mips.c (mips_sim_record_set,
8122         vr4130_true_reg_dependence_p_1): Likewise.
8123         * config/mt/mt.c (insn_dependent_p_1): Likewise.
8124         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
8125         * config/sh/sh.c (flow_dependent_p_1): Likewise.
8126         * cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
8127         * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
8128         * ddg.c (mark_mem_store): Likewise.
8129         * df-problems.c (df_urec_mark_reg_change): Likewise.
8130         * function.c (update_epilogue_consts): Likewise.
8131         * gcse.c (record_set_info, record_last_set_info,
8132         mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
8133         reg_clear_last_set): Likewise.
8134         * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
8135         Likewise.
8136         * jump.c (reversed_comparison_code_parts): Likewise.
8137         * local-alloc.c (validate_equiv_mem_from_store, no_equiv,
8138         reg_is_set): Likewise.
8139         * loop-iv.c (mark_altered): Likewise.
8140         * mode-switching.c (reg_becomes_live): Likewise.
8141         * optabs.c (no_conflict_move_test): Likewise.
8142         * postreload-gcse.c (record_last_set_info, find_mem_conflicts):
8143         Likewise.
8144         * postreload.c (reload_combine_note_store, move2add_note_store):
8145         Likewise.
8146         * regmove.c (flags_set_1): Likewise.
8147         * regrename.c (note_sets, kill_clobbered_value, kill_set_value):
8148         Likewise.
8149         * reload1.c (mark_not_eliminable, forget_old_reloads_1):
8150         Likewise.
8151         * resource.c (update_live_status): Likewise.
8152         * rtl.h (set_of, note_stores): Likewise.
8153         * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
8154         note_stores, parms_set): Likewise.
8155         * sched-rgn.c (sets_likely_spilled_1): Likewise.
8156         * stack-ptr-mod.c (notice_stack_pointer_modification_1):
8157         Likewise.
8158         * var-tracking.c (count_stores, add_stores): Likewise.
8159
8160 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8161
8162         * alias.c (mems_in_disjoint_alias_sets_p,
8163         fixed_scalar_and_varying_struct_p, aliases_everything_p,
8164         nonoverlapping_component_refs_p, nonoverlapping_memrefs_p,
8165         write_dependence_p, mems_in_disjoint_alias_sets_p,
8166         read_dependence, true_dependence, canon_true_dependence,
8167         anti_dependence, output_dependence): Constify.
8168         * combine.c (extended_count): Likewise.
8169         * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise.
8170         * cselib.c (get_value_hash, references_value_p,
8171         cselib_reg_set_mode, cselib_rtx_varies_p): Likewise.
8172         * cselib.h (cselib_reg_set_mode, references_value_p): Likewise.
8173         * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise.
8174         * function.c (contains, prologue_epilogue_contains,
8175         sibcall_epilogue_contains): Likewise.
8176         * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p,
8177         pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p,
8178         only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum,
8179         reg_or_subregno): Likewise.
8180         * recog.c (asm_noperands): Likewise.
8181         * reload1.c (function_invariant_p): Likewise.
8182         * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p,
8183         rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx,
8184         condjump_p, any_condjump_p, any_uncondjump_p, pc_set,
8185         simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p,
8186         true_regnum, reg_or_subregno, condjump_in_parallel_p,
8187         extended_count, prologue_epilogue_contains,
8188         sibcall_epilogue_contains, function_invariant_p, true_dependence,
8189         canon_true_dependence, read_dependence, anti_dependence,
8190         output_dependence): Likewise.
8191         * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise.
8192
8193 2007-07-30  Julian Brown  <julian@codesourcery.com>
8194
8195         * config/arm/neon.md (V_ext): New mode attribute.
8196         (neon_vget_lane<mode>): Replace with define_expand.
8197         (neon_vget_lane<mode>_sext_internal)
8198         (neon_vget_lane<mode>_zext_internal): New define_insns for double
8199         and quad precision vectors.
8200         (neon_vget_lanedi): Add bounds check. Remove dead comment.
8201         * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics
8202         have typeless 32-bit result.
8203
8204 2007-07-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8205
8206         PR tree-opt/32527
8207         * tree-affine.h (aff_tree): The type of rest is sizetype for types
8208         of pointers.
8209         * tree-affine.c (aff_combination_scale): If type is a pointer type,
8210         use sizetype for rest.
8211         (aff_combination_add_elt): Likewise. Don't specialize pointer types.
8212         (aff_combination_convert): Don't convert rest for pointer types.
8213
8214 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
8215
8216         * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
8217
8218         * tree-ssa-alias.c: Add alloc-pool.h.
8219         (init_alias_info): Free alias_bitmap_obstack.
8220         (delete_alias_info): Call delete_mem_ref_stats.
8221         (get_mem_sym_stats_for): Use alloc_pool.
8222         (init_mem_ref_stats): Do not delete mem_ref_stats here.
8223         (delete_mem_sym_stats): Removed.
8224
8225 2007-07-29  Sebastian Pop  <sebpop@gmail.com>
8226
8227         * tree-data-ref.c (add_multivariate_self_dist): Parametric access
8228         functions cannot be represented as classical distance vectors.
8229
8230 2007-07-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8231
8232         * attribs.c (hash_attr, eq_attr, init_attributes): Constify.
8233         * builtins.c (validate_arg, builtin_mathfn_code,
8234         validate_arglist): Likewise.
8235         * calls.c (call_expr_flags): Likewise.
8236         * combine.c (reg_nonzero_bits_for_combine,
8237         reg_num_sign_bit_copies_for_combine, get_last_value,
8238         reg_truncated_to_mode): Likewise.
8239         * emit-rtl.c (subreg_lowpart_p): Likewise.
8240         * expr.c (highest_pow2_factor_for_target,
8241         categorize_ctor_elements_1, categorize_ctor_elements,
8242         count_type_elements, contains_packed_reference,
8243         highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
8244         * fold-const.c (may_negate_without_overflow_p, int_const_binop,
8245         fold_convertible_p, operand_equal_p, tree_swap_operands_p,
8246         native_encode_int, native_encode_real, native_encode_complex,
8247         native_encode_vector, native_encode_expr, native_interpret_int,
8248         native_interpret_real, native_interpret_complex,
8249         native_interpret_vector, native_interpret_expr): Likewise.
8250         * function.c (use_register_for_decl): Likewise.
8251         * gimplify.c (get_name): Likewise.
8252         * langhooks-def.h (lhd_return_null_const_tree): New.
8253         (LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
8254         * langhooks.c (lhd_return_null_const_tree): New.
8255         * langhooks.h (lang_get_callee_fndecl): Constify.
8256         * output.h (constructor_static_from_elts_p): Likewise.
8257         * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
8258         * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
8259         subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
8260         * rtlanal.c (cached_nonzero_bits, nonzero_bits1,
8261         cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
8262         nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
8263         * rtlhooks-def.h (reg_nonzero_bits_general,
8264         reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
8265         Likewise.
8266         * rtlhooks.c (reg_num_sign_bit_copies_general,
8267         reg_nonzero_bits_general, reg_truncated_to_mode_general):
8268         Likewise.
8269         * stmt.c (warn_if_unused_value, is_body_block): Likewise.
8270         * stor-layout.c (mode_for_size_tree): Likewise.
8271         * tree-ssa-loop-im.c (memref_eq): Likewise.
8272         * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
8273         * tree.c (contains_placeholder_p, type_list_equal,
8274         simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
8275         Likewise.
8276         * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
8277         mode_for_size_tree, categorize_ctor_elements, count_type_elements,
8278         contains_placeholder_p, contains_packed_reference,
8279         get_callee_fndecl, operand_equal_for_phi_arg_p,
8280         warn_if_unused_value, is_body_block, native_encode_expr,
8281         native_interpret_expr, fold_convertible_p, operand_equal_p,
8282         int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
8283         validate_arglist, simple_cst_equal, type_list_equal,
8284         use_register_for_decl, call_expr_flags, get_name,
8285         highest_pow2_factor): Likewise.
8286         (const_call_expr_arg_iterator_d,
8287         init_const_call_expr_arg_iterator, next_const_call_expr_arg,
8288         first_const_call_expr_arg, more_const_call_expr_args_p,
8289         FOR_EACH_CONST_CALL_EXPR_ARG): New.
8290         * varasm.c (constructor_static_from_elts_p): Constify.
8291
8292 2007-07-28  Kazu Hirata  <kazu@codesourcery.com>
8293
8294         * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md,
8295         config/arm/neon-schedgen.ml, config/arm/neon.ml,
8296         config/arm/vec-common.md, config/ia64/div.md, cselib.c,
8297         df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c,
8298         regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c,
8299         tree-vect-transform.c, tree.def: Fix comment typos.  Follow
8300         spelling conventions.
8301         * doc/invoke.texi: Follow spelling conventions.
8302
8303 2007-07-29  Vladimir Yanovsky  <yanov@il.ibm.com>
8304             Revital Eres  <eres@il.ibm.com>
8305
8306         * modulo-sched.c (sms_schedule): Avoid loops which includes
8307         auto-increment instructions.
8308
8309 2007-07-28  Richard Guenther  <rguenther@suse.de>
8310
8311         PR middle-end/32920
8312         * fold-const.c (fold_cond_expr_with_comparison): Convert
8313         operand zero of MIN/MAX_EXPR to correct type.
8314
8315 2007-07-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8316
8317         * calls.c (special_function_p, setjmp_call_p, alloca_call_p,
8318         flags_from_decl_or_type): Constify.
8319         * gcc.c (do_spec_1): Likewise.
8320         * print-tree.c (dump_addr, print_node_brief): Likewise.
8321         * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p,
8322         simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p,
8323         tree_purge_all_dead_eh_edges): Likewise.
8324         * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p,
8325         tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges):
8326         Likewise.
8327         * tree.c (expr_location, expr_has_location, expr_locus,
8328         expr_filename, expr_lineno, get_inner_array_type,
8329         fields_compatible_p): Likewise.
8330         * tree.h (get_inner_array_type, fields_compatible_p,
8331         expr_location, expr_has_location, expr_locus, expr_filename,
8332         expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type,
8333         setjmp_call_p, alloca_call_p): Likewise.
8334
8335 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
8336
8337         * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE,
8338         TV_FLOW_INSENSITIVE.
8339
8340         * tree-ssa-alias.c (compute_call_clobbered): Push/pop
8341         TV_CALL_CLOBBER.
8342         (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE.
8343         (compute_flow_insensitive_aliasing): Ditto for
8344         TV_FLOW_INSENSITIVE.
8345
8346 2007-07-27  Jan Hubicka  <jh@suse.cz>
8347
8348         * config/i386/i386.c (register_move_cost): Remove accidentally
8349         comitted #if 0 block.
8350
8351         * attribs.c: Include hashtab.h
8352         (attribute_hash): New.
8353         (substring): New structure.
8354         (extract_attribute_substring, substring_hash, hash_attr, eq_attr):
8355         New function.
8356         (init_attributes): Initialize attribute hash.
8357         (decl_attributes): Use attribute hash.
8358         * Makefile.in (attribs.c): Depend on hashtab.h.
8359
8360 2007-07-27  Steve Ellcey  <sje@cup.hp.com>
8361
8362         * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test.
8363
8364 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8365
8366         * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp,
8367         __mips_dspr2 and __mips_dsp_rev macros.
8368         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev.
8369
8370 2007-07-27  Douglas Gregor  <doug.gregor@gmail.com>
8371
8372        * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
8373
8374 2007-07-26  Kenneth Zadeck <zadeck@naturalbridge.com>
8375
8376         PR middle-end/32749
8377
8378         * df-problems.c (df_create_unused_note): Removed do_not_gen parm
8379         and the updating of the live and do_not_gen sets.
8380         (df_note_bb_compute): Added updating of live and do_not_gen sets
8381         for regular defs so that the case of clobber inside conditional
8382         call is processed correctly.
8383
8384 2007-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8385
8386         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the
8387         operands with compatible type.
8388
8389 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8390
8391         * expr.h (store_bit_field): Don't return a value.
8392         * expmed.c (check_predicate_volatile_ok): New function.
8393         (store_bit_field_1): New function, extracted from store_bit_field.
8394         Take a fallback_p argument and return true if the operation succeeded.
8395         Only use store_fixed_bit_field if fallback_p.  Don't recompute
8396         mode_for_extraction; use op_mode instead.  Try forcing memories
8397         into registers if the insv expander fails.
8398         (store_bit_field): Use store_bit_field_1 with fallback_p true.
8399         Don't return a value.
8400         (convert_extracted_bit_field): New function, extracted from
8401         store_bit_field.
8402         (extract_bit_field_1): Likewise.  Take a fallback_p argument
8403         and return NULL if the operation succeeded.  Only use
8404         extract_fixed_bit_field if fallback_p.  Only calculate one
8405         extraction mode.  Combine code for extv and extzv.  Try forcing
8406         memories into registers if the ext(z)v expander fails.
8407         (extract_bit_field): Use extract_bit_field_1 with fallback_p true.
8408
8409 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8410
8411         * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags
8412         into bitfields.
8413         (df_ref): Likewise.  Put regno with other integer fields.
8414
8415 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8416
8417         * df.h (df_mw_hardreg): Remove "loc" field.
8418         * df-scan.c (df_ref_record): Don't set it.  Remove redundant
8419         local variable.
8420         * df-problems.c (df_whole_mw_reg_unused_p): New function,
8421         split out from df_set_unused_notes_for_mw.  Return false for
8422         partial references.  Assert that mw_reg is a REG when returning true.
8423         (df_set_unused_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8424         (df_whole_mw_reg_dead_p): New function, split out from
8425         df_set_dead_notes_for_mw.  Return false for partial references.
8426         Assert that mw_reg is a REG when returning true.
8427         (df_set_dead_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8428         Remove redundant bitmap check.
8429
8430 2007-07-26  H.J. Lu  <hongjiu.lu@intel.com>
8431
8432         * config/ia64/t-ia64 ($(T)crtbegin.o): Removed.
8433         ($(T)crtend.o): Likwise.
8434         ($(T)crtbeginS.o): Likwise.
8435         ($(T)crtendS.o): Likwise.
8436         ($(T)crtfastmath.o): Likwise.
8437
8438 2007-07-26  Zdenek Dvorak  <dvorakz@suse.cz>
8439
8440         * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed.
8441         * function.h (dom_computed, n_bbs_in_dom_tree): New macros.
8442         * basic-block.h (struct control_flow_graph): Added x_dom_computed
8443         and x_n_bbs_in_dom_tree fields.
8444
8445 2007-07-26  Steve Ellcey  <sje@cup.hp.com>
8446
8447         PR tree-optimization/32087
8448         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
8449         Do not call scale_bbs_frequencies_int with prob of zero.
8450
8451 2007-07-26  Julian Brown  <julian@codesourcery.com>
8452
8453         * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds)
8454         (neon_element_bits): Add prototypes.
8455         * config/arm/arm.c (bounds_check, neon_lane_bounds)
8456         (neon_const_bounds, neon_element_bits): New functions.
8457         * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi)
8458         (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi)
8459         (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi)
8460         (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>)
8461         (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>)
8462         (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>)
8463         (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>)
8464         (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>)
8465         (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>)
8466         (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>)
8467         (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>)
8468         (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>)
8469         (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks.
8470
8471 2007-07-26  Nathan Froyd  <froydnj@codesourcery.com>
8472
8473         * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo.
8474         (HAVE_AS_GNU_ATTRIBUTE): Undefine.
8475
8476 2007-07-26  Mark Shinwell  <shinwell@codesourcery.com>
8477             Julian Brown  <julian@codesourcery.com>
8478
8479         * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New.
8480         * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New.
8481         * config/arm/cortex-a8.md: New.
8482         * config/arm/cortex-a8-neon.md: New.
8483         * config/arm/neon-schedgen.ml: New.
8484         * config/arm/neon.md (vqh_mnem): New.
8485         (neon_type): New.
8486         (Is_float_mode): New.
8487         (Scalar_mul_8_16): New.
8488         (Is_d_reg): New.
8489         (V_mode_nunits): New.
8490         (All instruction patterns): Annotate with neon_type attribute
8491         values.
8492         * config/arm/arm.md: Include cortex-a8.md.
8493         (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab
8494         values.
8495         Annotate instruction patterns accordingly.
8496         (generic_sched): Do not use generic scheduling for Cortex-A8.
8497         (generic_vfp): Do not use generic VFP scheduling for Cortex-A8.
8498
8499 2007-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
8500
8501         * fold-const.c (fold_read_from_constant_string): Use
8502         build_int_cst_type.
8503         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8504
8505 2007-07-26  Nick Clifton  <nickc@redhat.com>
8506
8507         * tree-ssa-operands.h: Change copyright header to refer to version
8508         3 of the GNU General Public License and to point readers at the
8509         COPYING3 file and the FSF's license web page.
8510         * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c,
8511         sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c,
8512         tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c,
8513         targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h,
8514         tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c,
8515         hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c,
8516         flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c,
8517         opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c,
8518         gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
8519         cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
8520         rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
8521         optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
8522         tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
8523         genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
8524         reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
8525         c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
8526         rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,
8527         tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h,
8528         diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c,
8529         gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c,
8530         input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def,
8531         gensupport.h, builtin-attrs.def, sync-builtins.def, params.c,
8532         cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c,
8533         graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c,
8534         genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c,
8535         tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h,
8536         reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h,
8537         real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c,
8538         omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h,
8539         tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c,
8540         regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h,
8541         tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c,
8542         scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c,
8543         double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h,
8544         dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c,
8545         gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c,
8546         hosthooks.h, c-objc-common.h, caller-save.c, graph.c,
8547         ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c,
8548         c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h,
8549         tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c,
8550         xcoffout.h, tree-ssa-propagate.c, ipa-utils.c,
8551         tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h,
8552         gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c,
8553         mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c,
8554         alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c,
8555         dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h,
8556         expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h,
8557         genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
8558         timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
8559         tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c,
8560         recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c,
8561         dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h,
8562         matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c,
8563         tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c,
8564         lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h,
8565         ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c,
8566         ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h,
8567         langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h,
8568         sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c,
8569         gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c,
8570         ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c,
8571         init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
8572         loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c,
8573         mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h,
8574         opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in,
8575         insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c,
8576         tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def,
8577         dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c,
8578         bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c,
8579         coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h,
8580         stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c,
8581         cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
8582         tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c,
8583         loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c,
8584         lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c,
8585         tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c,
8586         tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt,
8587         ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c,
8588         varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c,
8589         sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
8590         target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
8591         omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
8592         intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
8593         sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
8594         genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
8595         tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
8596         bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c,
8597         cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c,
8598         cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk,
8599         tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c,
8600         c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c,
8601         fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c,
8602         vecprim.h, basic-block.h, tree-ssa-structalias.c,
8603         tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c,
8604         passes.c, genconstants.c, c-incpath.c, c-incpath.h,
8605         struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c,
8606         varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h,
8607         reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y,
8608         stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h,
8609         params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h,
8610         tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c,
8611         convert.c, convert.h, langhooks-def.h, reload1.c,
8612         tree-ssa-operands.c: Likewise.
8613
8614 2007-07-26  Jan Hubicka  <jh@suse.cz>
8615
8616         * tree-ssa-live.c: Include debug.h and flags.h.
8617         (mark_scope_block_unused): New function.
8618         (remove_unused_scope_block_p): New function.
8619         (remove_unused_locals): Remove unused blocks too.
8620
8621 2007-07-25  Ian Lance Taylor  <iant@google.com>
8622
8623         * combine.c (combine_max_regno): Remove.  Remove all uses.
8624         (struct reg_stat_struct): Rename from struct reg_stat.
8625         (reg_stat_type): Define, and declare VECs.
8626         (reg_stat): Change from pointer to VEC.  Change all uses.
8627         (combine_split_insns): New static function.
8628         (try_combine, find_split_point): Call it instead of split_insns.
8629
8630 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8631
8632         * cfghooks.c (split_block): Fix the information about loop latch.
8633
8634 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8635
8636         * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
8637
8638 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8639
8640         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
8641         Scan the new edge for loop exit info.
8642
8643 2007-07-25  Andreas Tobler  <a.tobler@schweiz.org>
8644
8645         * config/darwin.c: Include debug.h.
8646
8647 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8648
8649         PR target/32218
8650         * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
8651
8652 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8653
8654         * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode.
8655         (HARD_REGNO_MODE_OK): Ditto.
8656         (MODES_TIEABLE_P): Ditto.
8657         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8658         (CLASS_MAX_NREGS): Ditto.
8659         * config/ia64/ia64.c (ia64_print_operand_address): Add R format.
8660         * config/ia64/ia64.md (divsf3_internal_thr): Removed.
8661         (divdf3_internal_thr): Removed.
8662         * config/ia64/div.md: New file.
8663         * config/ia64/constraints.md: Add H constraint.
8664
8665 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8666
8667         * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount,
8668         sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p,
8669         sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not,
8670         sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg,
8671         sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b,
8672         sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p,
8673         sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c,
8674         sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c,
8675         sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap,
8676         dump_sbitmap_file, debug_sbitmap, popcount_table,
8677         sbitmap_popcount): Constify.
8678         * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New.
8679         (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap,
8680         dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal,
8681         sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg,
8682         sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c,
8683         sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c,
8684         sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b,
8685         sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg,
8686         sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p,
8687         sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap,
8688         sbitmap_popcount, sbitmap_verify_popcount): Constify.
8689
8690 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8691
8692         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
8693         bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
8694         bitmap_first_set_bit, bitmap_and, bitmap_and_into,
8695         bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
8696         bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
8697         bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
8698         bitmap_intersect_p, bitmap_intersect_compl_p,
8699         bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8700         debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
8701         Constify.
8702         * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
8703         bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
8704         bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
8705         bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
8706         bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8707         debug_bitmap, debug_bitmap_file, bitmap_print,
8708         bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
8709         bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
8710
8711 2007-07-25  Daniel Berlin  <dberlin@dberlin.org>
8712
8713         * config/darwin.c (darwin_override_options): Additional fix for
8714         debug info formats that don't support var tracking.
8715
8716 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8717
8718         * cselib.c (entry_and_rtx_equal_p): Constify.
8719         * gengtype.c (output_mangled_typename, write_types, write_local):
8720         Likewise.
8721         * gengtype.h (const_type_p): New.
8722         * see.c (eq_descriptor_extension, hash_descriptor_extension):
8723         Constify.
8724         * tlink.c (scan_linker_output): De-constify.
8725         * tree-ssa-loop-im.c (memref_eq): Constify.
8726         * tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
8727         (shared_bitmap_hash, shared_bitmap_eq): Constify.
8728
8729 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8730
8731         * c-common.c (fname_as_string, c_type_hash): Constify.
8732         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8733         * cgraph.c (edge_hash, edge_eq): Likewise.
8734         * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise.
8735         * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash,
8736         reg_attrs_htab_eq): Likewise.
8737         * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq):
8738         Likewise.
8739         * genautomata.c (const_reserv_sets_t, const_unit_decl_t,
8740         const_decl_t, const_state_t, const_automata_list_el_t): New.
8741         (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL,
8742         DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV,
8743         automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash,
8744         insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp,
8745         reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p,
8746         automata_list_hash, automata_list_eq_p, compare_states_for_equiv,
8747         compare_max_occ_cycle_nums, out_state_arcs_num,
8748         compare_transition_els_num, units_cmp, state_reservs_cmp):
8749         Constify.
8750         * genmodes.c (cmp_modes): Likewise.
8751         * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise.
8752         * gimplify.c (compare_case_labels): Likewise.
8753         * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise.
8754         * loop-unroll.c (si_info_hash, ve_info_hash): Likewise.
8755         * matrix-reorg.c (mtt_info_hash): Likewise.
8756         * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise.
8757         * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New.
8758         (htab_hash_bucket, htab_hash_elem): Constify.
8759         * tree-browser.c (TB_parent_eq): Likewise.
8760         * tree-scalar-evolution.c (hash_scev_info): Likewise.
8761         * tree-ssa-alias.c (sort_tags_by_id): Likewise.
8762         * tree-ssa-coalesce.c (const_coalesce_pair_p): New.
8763         (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs):
8764         Constify.
8765         * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise.
8766         * tree-ssa-pre.c (const_expr_pred_trans_t): New.
8767         (expr_pred_trans_hash, expr_pred_trans_eq): Constify.
8768         * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t,
8769         const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t):
8770         New.
8771         (vn_reference_op_eq, vn_reference_hash, vn_reference_eq,
8772         vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash,
8773         vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify.
8774         * tree-ssa-threadupdate.c (redirection_data_hash,
8775         redirection_data_eq): Likewise.
8776         * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise.
8777         * tree-ssa.c (var_ann_eq): Likewise.
8778         * tree-vrp.c (compare_case_labels): Likewise.
8779         * tree.c (int_cst_hash_hash, int_cst_hash_eq,
8780         tree_map_base_marked_p, type_hash_marked_p, tree_check_failed,
8781         tree_not_check_failed, tree_class_check_failed,
8782         tree_range_check_failed, tree_not_class_check_failed,
8783         omp_clause_check_failed, omp_clause_range_check_failed,
8784         tree_contains_struct_check_failed, tree_operand_check_failed):
8785         Likewise.
8786         * tree.h (tree_contains_struct_check_failed, tree_check_failed,
8787         tree_not_check_failed, tree_class_check_failed,
8788         tree_range_check_failed, tree_not_class_check_failed,
8789         tree_operand_check_failed, omp_clause_operand_check_failed,
8790         tree_operand_length): Likewise.
8791         * var-tracking.c (const_variable): New.
8792         (variable_htab_hash, variable_htab_eq): Constify.
8793         * varasm.c (const_desc_hash): Likewise.
8794
8795 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8796
8797         * expr.c (handled_component_p): Constify.
8798         * fold-const.c (fit_double_type): Likewise.
8799         * real.h (real_value_from_int_cst): Likewise.
8800         * tree-flow-inline.h (gimple_in_ssa_p,
8801         gimple_aliases_computed_p, gimple_addressable_vars,
8802         gimple_call_clobbered_vars, gimple_referenced_vars,
8803         gimple_global_var, gimple_nonlocal_all, gimple_var_anns,
8804         end_htab_p, end_referenced_vars_p, var_ann, function_ann,
8805         may_aliases, end_readonly_imm_use_p, has_zero_uses,
8806         has_single_use, single_imm_use, num_imm_uses, is_exec_stmt,
8807         is_label_stmt, is_global_var, phi_ssa_name_p,
8808         factoring_name_p, is_call_clobbered, tree_common_ann,
8809         op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p,
8810         unmodifiable_var_p, array_ref_contains_indirect_ref,
8811         ref_contains_array_ref, lookup_subvars_for_var,
8812         var_can_have_subvars, overlap_subvar, gimple_ssa_operands,
8813         gimple_mem_ref_stats): Likewise.
8814         * tree-flow.h (tree_common_ann, var_ann, function_ann,
8815         may_aliases, is_exec_stmt, is_label_stmt,
8816         ref_contains_array_ref, array_ref_contains_indirect_ref,
8817         var_can_have_subvars, overlap_subvar, is_call_clobbered,
8818         unmodifiable_var_p): Likewise.
8819         * tree-gimple.c (is_gimple_min_invariant): Likewise.
8820         * tree-gimple.h (is_gimple_min_invariant): Likewise.
8821         * tree.c (type_hash_list, attribute_hash_list, tree_size,
8822         cst_and_fits_in_hwi, real_value_from_int_cst,
8823         build_real_from_int_cst, integer_zerop, integer_onep,
8824         integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2,
8825         tree_floor_log2, real_zerop, real_onep, real_twop,
8826         real_minus_onep, really_constant_p, purpose_member, chain_member,
8827         list_length, fields_length, int_size_in_bytes, bit_position,
8828         int_bit_position, byte_position, int_byte_position, expr_align,
8829         array_type_nelts, tree_node_structure,
8830         type_contains_placeholder_1, iterative_hash_pointer,
8831         is_attribute_with_length_p, is_attribute_p, check_qualified_type,
8832         tree_map_base_eq, type_hash_list, type_hash_eq,
8833         attribute_hash_list, type_num_arguments, tree_int_cst_equal,
8834         tree_int_cst_lt, tree_int_cst_compare, host_integerp,
8835         tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8836         simple_cst_list_equal, compare_tree_int, iterative_hash_expr,
8837         int_fits_type_p, get_containing_scope, decl_function_context,
8838         decl_type_context, omp_clause_operand_check_failed,
8839         initializer_zerop, int_cst_value, num_ending_zeros): Likewise.
8840         * tree.h (omp_clause_operand_check_failed, tree_size,
8841         build_real_from_int_cst, array_type_nelts, purpose_member,
8842         tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare,
8843         host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8844         is_attribute_p, check_qualified_type, expr_align,
8845         int_size_in_bytes, bit_position, int_bit_position, byte_position,
8846         int_byte_position, list_length, fields_length, initializer_zerop,
8847         integer_zerop, integer_onep, integer_all_onesp, integer_pow2p,
8848         integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros,
8849         tree_node_structure, handled_component_p, get_containing_scope,
8850         decl_function_context, decl_type_context, real_zerop,
8851         type_num_arguments, fit_double_type, really_constant_p,
8852         int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr,
8853         compare_tree_int, chain_member, simple_cst_list_equal, real_onep,
8854         real_twop, real_minus_onep, int_cst_value): Likewise.
8855
8856 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8857
8858         * cfglayout.c (insn_scope, insn_line): Constify.
8859         * emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
8860         const_double_htab_hash, const_double_htab_eq,
8861         mem_attrs_htab_hash): Likewise.
8862         * loop-iv.c (biv_eq): Likewise.
8863         * print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
8864         print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
8865         debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
8866         Likewise.
8867         * rtl-error.c (location_for_asm, diagnostic_for_asm,
8868         error_for_asm, warning_for_asm, _fatal_insn,
8869         _fatal_insn_not_found): Likewise.
8870         * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
8871         rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
8872         rtl_check_failed_type2, rtl_check_failed_code1,
8873         rtl_check_failed_code2, rtl_check_failed_code_mode,
8874         rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
8875         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
8876         rtl_check_failed_type2, rtl_check_failed_code1,
8877         rtl_check_failed_code2, rtl_check_failed_code_mode,
8878         rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
8879         SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
8880         shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
8881         get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
8882         mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
8883         rtx_unstable_p, get_integer_term, get_related_value,
8884         offset_within_block_p, reg_mentioned_p, count_occurrences,
8885         reg_referenced_p, reg_used_between_p, no_labels_between_p,
8886         single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
8887         reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
8888         find_reg_note, find_regno_note, find_reg_equal_equiv_note,
8889         find_constant_src, find_reg_fusage, find_regno_fusage,
8890         pure_call_p, remove_note, side_effects_p, volatile_refs_p,
8891         volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
8892         may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
8893         computed_jump_p, auto_inc_p, in_expr_list_p,
8894         remove_node_from_expr_list, loc_mentioned_in_p,
8895         label_is_jump_target_p, reversed_comparison_code_parts,
8896         debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
8897         print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
8898         print_inline_rtx): Likewise.
8899         * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
8900         computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
8901         rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
8902         get_integer_term, get_related_value, offset_within_block_p,
8903         count_occurrences, reg_mentioned_p, no_labels_between_p,
8904         reg_used_between_p, reg_referenced_p, single_set_2,
8905         multiple_sets, set_noop_p, refers_to_regno_p,
8906         reg_overlap_mentioned_p, dead_or_set_p,
8907         covers_regno_no_parallel_p, covers_regno_p,
8908         dead_or_set_regno_p, find_reg_note, find_regno_note,
8909         find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
8910         find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
8911         remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
8912         side_effects_p, may_trap_p_1, may_trap_p,
8913         may_trap_after_code_motion_p, may_trap_or_fault_p,
8914         inequality_comparisons_p, tablejump_p, computed_jump_p_1,
8915         computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
8916         subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
8917         * simplify-rtx.c (neg_const_int, plus_minus_operand_p,
8918         mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
8919         Likewise.
8920         * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
8921         warning_for_asm): Likewise.
8922         * tree.h (print_rtl): Likewise.
8923         * varasm.c (get_pool_mode): Likewise.
8924
8925 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8926
8927         * c-lex.c (c_lex_with_flags, lex_string): Constify.
8928         * c-ppoutput.c (print_line, pp_dir_change): Likewise.
8929         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8930         * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise.
8931         * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise.
8932         * ddg.c (compare_sccs): Likewise.
8933         * df-scan.c (df_ref_compare, df_mw_compare): Likewise.
8934         * dfp.c (decimal_real_from_string, decimal_to_decnumber,
8935         decimal_to_binary, decimal_do_compare, decimal_real_to_decimal,
8936         decimal_do_fix_trunc, decimal_real_to_integer,
8937         decimal_real_to_integer2, decimal_real_maxval): Likewise.
8938         * dse.c (const_group_info_t): New.
8939         (invariant_group_base_eq, invariant_group_base_hash): Constify.
8940         * dwarf2out.c (const_dw_die_ref): New.
8941         (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify.
8942         * tree-browser.c (TB_parent_eq): Likewise.
8943         * unwind-dw2-fde.c (__register_frame_info_bases,
8944         __deregister_frame_info_bases, fde_unencoded_compare, fde_split,
8945         add_fdes, linear_search_fdes, binary_search_unencoded_fdes):
8946         Likewise.
8947         * unwind-dw2-fde.h (get_cie, next_fde): Likewise.
8948         * unwind-dw2.c (uw_frame_state_for): Likewise.
8949         * value-prof.c (histogram_hash, histogram_eq): Likewise.
8950         * value-prof.h (const_histogram_value): New.
8951
8952 2007-07-25  Richard Sandiford  <richard@codesourcery.com>
8953
8954         * config/mips/mips.c (machine_function): Add
8955         initialized_mips16_gp_pseudo_p.
8956         (mips16_gp_pseudo_reg): Do not emit the initialization of
8957         mips16_gp_pseudo_rtx when being called from the gimple cost-
8958         calculation routines; emit it on the first use outside those
8959         routines.
8960
8961 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8962
8963         * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree):
8964         New.
8965
8966         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
8967         RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK,
8968         RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3,
8969         RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6,
8970         RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND):
8971         Preserve const-ness of parameters through use of __typeof(),
8972         also constify and tidy.
8973
8974         * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2,
8975         TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4,
8976         NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5,
8977         CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK,
8978         OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK,
8979         GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK,
8980         PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK,
8981         TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK,
8982         TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise.
8983
8984 2007-07-25  Julian Brown  <julian@codesourcery.com>
8985             Mark Shinwell  <shinwell@codesourcery.com>
8986
8987         * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to...
8988         (alpha_mangle_type): This.
8989         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8990         (TARGET_MANGLE_TYPE): Define this instead.
8991         * config/arm/arm-protos.h (arm_mangle_type): Add prototype.
8992         * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook.
8993         (arm_init_neon_builtins): Fix comment.
8994         (arm_mangle_map_entry): New.
8995         (arm_mangle_map): New.
8996         (arm_mangle_type): New.
8997         * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to...
8998         (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
8999         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
9000         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9001         (TARGET_MANGLE_TYPE): Define this instead.
9002         * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to...
9003         (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT  and restrict
9004         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
9005         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9006         (TARGET_MANGLE_TYPE): Define this instead.
9007         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename
9008         to...
9009         (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT.
9010         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9011         (TARGET_MANGLE_TYPE): Define this instead.
9012         * config/s390/s390.c (s390_mangle_fundamental_type): Rename to...
9013         (s390_mangle_type): This.
9014         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9015         (TARGET_MANGLE_TYPE): Define this instead.
9016         * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to...
9017         (sparc_mangle_type): This.
9018         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9019         (TARGET_MANGLE_TYPE): Define this instead.
9020         * cp/mangle.c (write_type): Call mangle_type target hook on all
9021         types before mangling.  Use original type, not main variant, as
9022         argument.
9023         * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to...
9024         (TARGET_MANGLE_TYPE): This.
9025         * target.h (gcc_target): Rename mangle_fundamental_type to
9026         mangle_type.
9027         * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to...
9028         (TARGET_MANGLE_TYPE): This. Note slightly different semantics.
9029
9030 2007-07-25  Julian Brown  <julian@codesourcery.com>
9031             Paul Brook  <paul@codesourcery.com>
9032             Joseph Myers  <joseph@codesourcery.com>
9033             Mark Shinwell  <shinwell@codesourcery.com>
9034
9035         * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi.
9036         * config.gcc (arm*-*-*): Add arm_neon.h to extra headers.
9037         (with_fpu): Allow --with-fpu=neon.
9038         * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
9039         * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
9040         * config/arm/arm-modes.def (EI, OI, CI, XI): New modes.
9041         * config/arm/arm-protos.h (neon_immediate_valid_for_move)
9042         (neon_immediate_valid_for_logic, neon_output_logic_immediate)
9043         (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret)
9044         (neon_emit_pair_result_insn, neon_disambiguate_copy)
9045         (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad)
9046         (output_move_neon): Add prototypes.
9047         * config/arm/arm.c (FL_NEON): New flag for NEON processor capability.
9048         (all_fpus): Add FPUTYPE_NEON.
9049         (fp_model_for_fpu): Add NEON field.
9050         (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers.
9051         (arm_arg_partial_bytes): Allow NEON vectors to be passed partially
9052         in registers.
9053         (arm_legitimate_address_p): Don't support fancy addressing for NEON
9054         structure moves.
9055         (thumb2_legitimate_address_p): Likewise.
9056         (neon_valid_immediate): Recognize and prepare constants suitable for
9057         NEON instructions.
9058         (neon_immediate_valid_for_move): New function. Recognize and prepare
9059         immediates for NEON move instructions.
9060         (neon_immediate_valid_for_logic): New function. Recognize and
9061         prepare immediates for NEON logic instructions.
9062         (neon_output_logic_immediate): New function. Create asm string
9063         suitable for outputting immediate logic instructions.
9064         (neon_pairwise_reduce): New function. Implement reduction using
9065         pairwise operations.
9066         (neon_expand_vector_init): New function. Expand a (possibly
9067         non-constant) vector initialization.
9068         (neon_vector_mem_operand): New function. Memory operands supported
9069         for quad-word loads/stores to/from ARM or NEON registers. Don't
9070         allow base+offset addressing for core regs.
9071         (neon_struct_mem_operand): New function. Valid mems for NEON
9072         structure moves.
9073         (coproc_secondary_reload_class): Enable NEON registers to be loaded
9074         from neon_vector_mem_operand addresses without a secondary register.
9075         (add_minipool_forward_ref): Handle >8-byte minipool entries.
9076         (add_minipool_backward_ref): Likewise.
9077         (dump_minipool): Likewise.
9078         (push_minipool_fix): Likewise.
9079         (output_move_quad): New function. Output quad-word moves, loads and
9080         stores using ARM registers.
9081         (output_move_vfp): Add support for vectors in VFP (NEON) D
9082         registers.
9083         (output_move_neon): Output a NEON load/store to/from a quadword
9084         register.
9085         (arm_print_operand): Implement new codes:
9086         - 'c' for unadorned integers (without a # sign).
9087         - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian
9088         mode.
9089         - 'e', 'f' for the low and high D parts of a NEON Q register.
9090         - 'q' outputs a NEON Q register.
9091         - 'h' outputs ranges of D registers for VLDM/VSTM etc.
9092         - 'T' prints NEON opcode features from a coded bitmask.
9093         - 'F' is similar to T, but signed/unsigned codes both print as
9094         'i'.
9095         - 't' is similar to T, but 'u' is printed instead of 'p'.
9096         - 'O' prints 'r' if NEON instruction should perform rounding (as
9097         specified by bitmask), else prints nothing.
9098         - '#' is a punctuation character to stop operand numbers from
9099         running together with following digits in the assembler
9100         strings for instructions (when using mode attributes).
9101         (arm_assemble_integer): Handle extra NEON vector modes. Permute
9102         constant vectors in big-endian mode, where necessary.
9103         (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers.
9104         Handle EI, OI, CI, XI modes.
9105         (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3)
9106         (ashrv2si3): Rename IWMMXT2_BUILTINs to...
9107         (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt)
9108         (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names.
9109         (neon_builtin_type_bits): Add enumeration, one bit for each vector
9110         type.
9111         (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP)
9112         (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros
9113         to turn v8qi, etc. into bits defined above.
9114         (neon_itype): New enumeration. Classifications of NEON builtins.
9115         (neon_builtin_datum): Define struct. Contains information about
9116         a single builtin (with multiple modes).
9117         (CF): Define helper macro for...
9118         (VAR1...VAR10): Define builtins with a type, name and 1-10 different
9119         modes.
9120         (neon_builtin_data): New array. Define information about builtins
9121         for use during initialization/expansion.
9122         (arm_init_neon_builtins): New function.
9123         (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is
9124         true.
9125         (neon_builtin_compare): New function.
9126         (locate_neon_builtin_icode): New function. Find an insn code for a
9127         builtin given a function code for that builtin. Also return type of
9128         builtin (NEON_BINOP, NEON_UNOP etc.).
9129         (builtin_arg): New enumeration. Types of arguments for builtins.
9130         (arm_expand_neon_args): New function. Expand a generic NEON builtin.
9131         Takes a variable argument list of builtin_arg types, terminated by
9132         NEON_ARG_STOP.
9133         (arm_expand_neon_builtin): New function. Expand a NEON builtin.
9134         (neon_reinterpret): New function. Expand NEON reinterpret intrinsic.
9135         (neon_emit_pair_result_insn): New function. Support returning pairs
9136         of vectors via a pointer.
9137         (neon_disambiguate_copy): New function. Set up operands for a
9138         multi-word copy such that registers do not get clobbered.
9139         (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >=
9140         ARM_BUILTIN_NEON_BASE.
9141         (arm_file_start): Set float-abi attribute for NEON.
9142         (arm_vector_mode_supported_p): Enable NEON vector modes.
9143         (arm_mangle_map_entry): New.
9144         (arm_mangle_map): New.
9145         (arm_mangle_vector_type): New.
9146         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__
9147         when appropriate.
9148         (TARGET_NEON): New macro. Target supports NEON.
9149         (fputype): Add FPUTYPE_NEON.
9150         (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used
9151         for vectorization based on command-line arg.
9152         (NEON_REGNO_OK_FOR_NREGS): Define.
9153         (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE)
9154         (VALID_NEON_STRUCT_MODE): Define.
9155         (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation.
9156         (arm_builtins): Add ARM_BUILTIN_NEON_BASE.
9157         * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec.
9158         (consttable_16): Add pattern for outputting 16-byte minipool
9159         entries.
9160         (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in
9161         vec-common.md).
9162         (vec-common.md, neon.md): Include md files.
9163         * config/arm/arm.opt (mvectorize-with-neon-quad): Add option.
9164         * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define.
9165         (memory_constraint "Ut", "Un", "Us"): Define.
9166         * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros.
9167         (MMX_char): New mode attribute.
9168         (addv8qi3, addv4hi3, addv2si3): Remove. Replace with...
9169         (*add<mode>3_iwmmxt): New insn pattern.
9170         (subv8qi3, subv4hi3, subv2si3): Remove. Replace with...
9171         (*sub<mode>3_iwmmxt): New insn pattern.
9172         (mulv4hi3): Rename to...
9173         (*mulv4hi3_iwmmxt): This.
9174         (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3)
9175         (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3)
9176         (uminv4hi3, uminv2si3): Remove. Replace with...
9177         (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt)
9178         (*umin<mode>3_iwmmxt): These.
9179         (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with...
9180         (ashr<mode>3_iwmmxt): This new pattern.
9181         (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with...
9182         (lshr<mode>3_iwmmxt): This new pattern.
9183         (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with...
9184         (ashl<mode>3_iwmmxt): This new pattern.
9185         * config/arm/neon-docgen.ml: New file. Generate documentation for
9186         intrinsics.
9187         * config/arm/neon-gen.ml: New file. Generate arm_neon.h header.
9188         * config/arm/arm_neon.h: New (autogenerated).
9189         * config/arm/neon-testgen.ml: New file. Generate NEON tests
9190         automatically.
9191         * config/arm/neon.md: New file. Define NEON instructions.
9192         * config/arm/neon.ml: New file. Abstract description of NEON
9193         instructions, used to generate arm_neon.h header, documentation and
9194         tests.
9195         * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md.
9196         * vec-common.md: New file. Shared parts for iWMMXt and NEON vector
9197         support.
9198         * doc/extend.texi (ARM Built-in Functions): Rename and remove
9199         extraneous comma.
9200         (ARM NEON Intrinsics): New subsection.
9201         * doc/arm-neon-intrinsics.texi: New (autogenerated).
9202
9203 2007-07-25  Danny Smith   <dannysmith@users.sourceforge.net>
9204
9205         * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove
9206         prototype.
9207
9208 2007-07-24  Jan Hubicka  <jh@suse.cz>
9209
9210         * regclass.c (move_table): New type.
9211         (move_cost, may_move_in_cost, may_move_out_cost): Use it.
9212         (init_move_cost): Break out from ...
9213         (init_reg_sets_1): ... here; simplify computation of
9214         have_regs-of_mode and contains_reg_of_mode.
9215         (record_reg_classes): Unswitch internal loops.
9216         (copy_cost): Trigger lazy initialization of move cost
9217         (record_address_regs): Likewise.
9218
9219 2007-07-24  Daniel Berlin  <dberlin@dberlin.org>
9220
9221         * config/darwin.c (darwin_override_options): Don't force on
9222         flag_var_tracking_uninit when no debug info is requested.
9223
9224 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
9225
9226         * cfgloop.c (init_loops_structure): New function.
9227         (flow_loops_find): Create root of the loop tree unconditionally.
9228
9229 2007-07-24  Daniel Jacobowitz  <dan@codesourcery.com>
9230
9231         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.
9232
9233 2007-07-24  Jan Hubicka  <jh@suse.cz>
9234
9235         * caller-save.c: Include ggc.h, gt-caller-save.h
9236         (reg_save_code, reg_restore_code): Rename to ...
9237         (cached_reg_save_code, cached_reg_restore_code): ... those.
9238         (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New.
9239         (reg_save_code, reg_restore_code): New functions.
9240         (init_caller_save): Do not intialize
9241         reg_save_code/reg_restore_code tables.
9242         * Makefile.in: (gt-caller-save.h): New.
9243
9244 2007-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9245
9246         * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand
9247         with the mode of the original operand instead of
9248         integer_one_node.
9249
9250 2007-07-23  Jan Hubicka  <jH@suse.cz>
9251
9252         * i386.c (ix86_secondary_memory_needed): Break out to...
9253         (inline_secondary_memory_needed): ... here.
9254         (ix86_memory_move_cost): Break out to ...
9255         (inline_memory_move_cost): ... here; add support for IN value of 2 for
9256         maximum of input and output; fix handling of Q_REGS on 64bit.
9257         (ix86_secondary_memory_needed): Microoptimize.
9258
9259 2007-07-23  Sebastian Pop  <sebpop@gmail.com>
9260
9261         * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
9262         create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
9263         stmts_from_loop, known_dependences_p, build_rdg): New.
9264         * tree-data-ref.h: Depends on graphds.h.
9265         (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
9266         (build_rdg): Declared.
9267         * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
9268
9269 2007-07-23  Daniel Berlin  <dberlin@dberlin.org>
9270
9271         * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
9272         ccp_min_invariant.
9273
9274 2007-07-23  Peter Bergner  <bergner@vnet.ibm.com>
9275             Jakub Jelinek  <jakub@redhat.com>
9276
9277         PR middle-end/PR28690
9278         * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow
9279         EQ compares.
9280         * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
9281         and MEM_POINTER operands over REG and MEM operands.
9282         (swap_commutative_operands_p): Change return value to bool.
9283         * rtl.h: Update the corresponding prototype.
9284         * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
9285         instead of gen_rtx_PLUS.
9286         * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
9287         value to bool.  Change function arguments to rtx's and update code
9288         to match.
9289         (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
9290         calls to match the new declaration.
9291         * simplify-rtx.c (simplify_associative_operation): Don't
9292         reorder simplify_binary_operation arguments.
9293
9294 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9295
9296         * config/mips/mips.c (override_options): Use mips_costs to derive
9297         the default branch cost.
9298         * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
9299         than mips_costs.
9300         * config/mips/mips.opt (mbranch-cost=): New option.
9301         * doc/invoke.texi (-mbranch-cost): Document new MIPS option.
9302
9303 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9304
9305         * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
9306         (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
9307         * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
9308         instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
9309
9310 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9311
9312         * config/mips/constraints.md (ks): New constraint.
9313         * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
9314         (*add<mode>3_mips16): ...here.
9315
9316 2007-07-21  Uros Bizjak  <ubizjak@gmail.com>
9317
9318         * optabs.h (enum optab_index): Add new OTI_signbit.
9319         (signbit_optab): Define corresponding macro.
9320         (enum insn_code signbit_optab[]): Remove array.
9321         * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
9322         (expand_copysign_absneg): If back end provides signbit insn, use it
9323         instead of bit operations on floating point argument.
9324         * builtins.c (enum insn_code signbit_optab[]): Remove array.
9325         (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code
9326         for availability of signbit insn.
9327
9328         * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
9329         signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
9330         SSE mode is not active.
9331         (isinf<mode>2): Disable for mfpmath=sse,387.
9332
9333 2007-07-22  Ben Elliston  <bje@au.ibm.com>
9334
9335         * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
9336         `class' parameter.
9337         * struct-equiv.c (note_local_live): Likewise for `y_regno'.
9338
9339 2007-07-20  Richard Guenther  <rguenther@suse.de>
9340
9341         * tree-cfg.c (verify_expr): COND_EXPRs can have any
9342         integral typed condition.
9343         * tree-ssa.c (useless_type_conversion_p): Do not preserve
9344         booleanness.  Only preserve conversions from a non-base
9345         type to a base type, not in general between types with
9346         different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
9347         * tree.def (COND_EXPR): Document that the condition
9348         can be of any integral type.
9349
9350 2007-07-20  Nigel Stephens  <nigel@mips.com>
9351             Richard Sandiford  <richard@codesourcery.com>
9352
9353         * config/mips/mips.h (mips_dwarf_regno): Declare.
9354         (DBX_REGISTER_NUMBER): Remove redundant brackets.
9355         (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
9356         (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
9357         (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
9358         (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
9359         (REG_CLASS_NAMES): Update accordingly.
9360         * config/mips/mips.c (mips_dwarf_regno): New array.
9361         (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
9362         (mips_subword): Remove special handling for accumulator registers.
9363         (override_options): Initiailize mips_dwarf_regno.  Remove use
9364         of ACC_HI_REG_P.
9365         (mips_swap_registers): New function.
9366         (mips_conditional_register_usage): Swap accumulator registers
9367         around if TARGET_LITTLE_ENDIAN.
9368         (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
9369         * config/mips/constraints.md (h, l): Use the endianness to choose
9370         between MD0_REG and MD1_REG.
9371         * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
9372         alternative-dependent template.
9373
9374 2007-07-20  Richard Sandiford  <richard@codesourcery.com>
9375
9376         * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
9377         no_new_pseudos.
9378
9379 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9380
9381         * function.c (thread_prologue_and_epilogue_insns): Fix exit
9382         predecessor fallthru flags.
9383
9384 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9385
9386         * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
9387         of compare to the same type.
9388         * cfgloopmanip.c (add_loop): Update information about loop exits.
9389         (loop_version): Remove the innermost loop requirement.
9390         * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
9391         to sizetype for pointers.
9392
9393 2007-07-18  H.J. Lu  <hongjiu.lu@intel.com>
9394
9395         * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
9396         (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
9397         (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
9398
9399         * config/dfp-bit.c: Empty for TFmode conversions.
9400
9401 2007-07-18  Caroline Tice  <ctice@apple.com>
9402
9403         * var-tracking.c (find_src_status): Check for  COND_EXEC insns
9404         and handle them correctly; check that src is not NULL before
9405         trying to use it.
9406         (find_src_set_src): Likewise.
9407
9408 2007-07-18  Bob Wilson  <bob.wilson@acm.org>
9409
9410         * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
9411         (struct alignment_context, init_alignment_context): New.
9412         (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
9413         * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
9414         (XCHAL_HAVE_S32C1I): Likewise.
9415         (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
9416         * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
9417         (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
9418         (ATOMIC, HQI): New macros.
9419         (memory_barrier, *memory_barrier): New.
9420         (sync_lock_releasesi): New.
9421         (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
9422         (sync_lock_test_and_set<mode>): New.
9423         (sync_<atomic><mode>): New.
9424         (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
9425         * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
9426         (xtensa_expand_atomic): New.
9427
9428 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9429
9430         PR target/30652
9431
9432         * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
9433         transformation for builtin ISNORMAL.
9434         (expand_builtin): Handle BUILT_IN_ISNORMAL.
9435         * builtins.def (BUILT_IN_ISNORMAL): New.
9436         * doc/extend.texi: Document isnormal.
9437
9438 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9439
9440         PR target/30652
9441
9442         * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
9443         optabs infrastructure.  Provide generic implementation for
9444         FINITE/ISFINITE.
9445         (expand_builtin): Handle FINITE/ISFINITE.
9446         (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
9447         (fold_builtin_1): Likewise.
9448
9449         * builtins.def (BUILT_IN_ISFINITE): New.
9450
9451         * doc/extend.texi: Document isfinite.
9452
9453 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9454
9455         PR target/30652
9456         PR middle-end/20558
9457
9458         * builtins.c (expand_builtin_interclass_mathfn): Provide a
9459         generic fallback for isinf.
9460         * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
9461         calculation code ...
9462         * real.c (get_max_float): ... to here.
9463         * real.h (get_max_float): New.
9464
9465 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9466
9467         PR middle-end/32668
9468
9469         * builtin-attrs.def (ATTR_TYPEGENERIC,
9470         ATTR_CONST_NOTHROW_TYPEGENERIC): New.
9471
9472         * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
9473         BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
9474         BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
9475         BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
9476
9477         * c-common.c (handle_type_generic_attribute): New.
9478         (c_common_attribute_table): Add "type generic".
9479
9480         * c-typeck.c (convert_arguments): Handle "type generic" functions.
9481
9482 2007-07-18  Daniel Berlin  <dberlin@dberlin.org>
9483
9484         * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
9485         * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
9486         properly.
9487
9488 2007-07-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
9489
9490         PR target/32808
9491         * config/cris/cris.c (cris_print_index): Don't use XEXP before
9492         checking that the operand is an expression.
9493
9494 2007-07-19  Christoph von Wittich  <Christoph_vW@reactos.org>
9495             Danny Smith  <dannysmith@users.sourceforge.net>
9496
9497         PR/other 30335
9498         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
9499         file mapping object in local namespace if Windows version later
9500         than NT4
9501
9502 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9503
9504         * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
9505         * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
9506         arm_cannot_force_const_mem.
9507         (arm_cannot_force_const_mem): New function.
9508         * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
9509         (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
9510         of arm_tls_referenced_p.
9511         * config/arm/arm.md (movsi): Split out-of-section constants when
9512         ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
9513         * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
9514
9515 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9516
9517         * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
9518
9519 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9520
9521         * config/mips/mips.md (*extendqihi2): Convert the destination
9522         to SImode.
9523
9524 2007-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9525
9526         * config/pa/fptr.c: Update license header.
9527         * config/pa/milli64.S: Likewise.
9528
9529 2007-07-17  Nick Clifton  <nickc@redhat.com>
9530
9531         * COPYING_v3: New file.  Contains version 3 of the GNU General
9532         Public License.
9533         * COPYING.LIB_v3: New file.  Contains version 3 of the GNU
9534         Lesser General Public License.
9535         * doc/include/gpl_v3.texi: New file.  Contains version 3 of
9536         the GNU General Public License.
9537
9538 2007-07-17  Zdenek Dvorak  <dvorakz@suse.cz>
9539
9540         PR rtl-optimization/32773
9541         * cfglayout.c (force_one_exit_fallthru): New function.
9542         (cfg_layout_finalize): Use it.
9543
9544 2007-07-16  Richard Guenther  <rguenther@suse.de>
9545             Uros Bizjak  <ubizjak@gmail.com>
9546
9547         * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
9548         before forcing it to gimple operand.
9549
9550 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9551             David Ung  <davidu@mips.com>
9552
9553         * config/mips/mips.h (TUNE_24K): Define.
9554         (TUNE_MACC_CHAINS): Add TUNE_24K.
9555         * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
9556         imadd.
9557         * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
9558         (r74k_int_madd): .. this new reservation.
9559         (define_bypass): Fixed bypasses for r74k_int_madd to use
9560         mips_linked_madd_p.
9561         * config/mips/24k.md (define_bypass): Define new
9562         r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
9563
9564 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9565             Nigel Stephens  <nigel@mips.com>
9566
9567         * config/mips/mips.md: Include 20kc.md.
9568         * config/mips/20kc.md: New file.
9569         * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
9570         (mips_adjust_cost): Tweak for 20Kc.
9571         (mips_issue_rate): Likewise.
9572         * config/mips/mips.h (TUNE_20KC): Define.
9573
9574 2007-07-16  David Edelsohn  <edelsohn@gnu.og>
9575
9576         * config/rs6000/rs6000.c (struct processor_cost): Add
9577         cache_line_size, l1_cache_lines, and simultaneous_prefetches
9578         fields.
9579         (*_cost): Add cache information.
9580         (rs6000_override_options): Set cache parameters.
9581
9582 2007-07-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9583
9584         PR bootstrap/3456
9585         * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
9586         * doc/install.texi (mips-sgi-irix6): pthread support works now.
9587
9588 2007-07-16  Paul Brook  <paul@codesourcery.com>
9589
9590         PR target/32753
9591         * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
9592         (cirrus_thumb2_movsi_insn): Ditto.
9593
9594 2007-07-15  Geoffrey Keating  <geoffk@apple.com>
9595
9596         * config/rs6000/darwin-fallback.c (interpret_libc): Change
9597         CR2_REGNO to R_CR2.
9598
9599 2007-07-15  Andrew Haley  <aph@redhat.com>
9600
9601         * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
9602         before looking in the context.
9603
9604 2007-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9605
9606         PR middle-end/32398
9607         PR middle-end/32769
9608         * pa-protos.h (pa_eh_return_handler_rtx): Declare.
9609         * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
9610         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
9611         (pa_output_function_prologue): Use rp_saved and
9612         current_function_is_leaf to generate .CALLINFO statement.
9613         (hppa_expand_prologue): Set rp_saved.
9614         (hppa_expand_epilogue): Use rp_saved.
9615         (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
9616         * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
9617
9618 2007-07-14  Dirk Mueller  <dmueller@suse.de>
9619
9620         * omega.c (coalesce): Fix memory leak on early exit.
9621         * matrix-reorg.c (check_allocation_function): Likewise.
9622         * tree-vect-transform.c (vect_get_new_vect_var): free result
9623         of concat().
9624         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9625         pass pointer to edge vector
9626         (partition_hot_cold_basic_blocks): Fix memory leak.
9627         * collect2.c (prefix_from_string): Free temporary storage.
9628         * reload1.c (fixup_abnormal_edges): Free sbitmap.
9629
9630 2007-07-14  Kaz Kojima  <kkojima@gcc.gnu.org>
9631
9632         * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
9633         (DO_GLOBAL_DTORS_BODY): Likewise.
9634
9635 2007-07-14  Sandra Loosemore  <sandra@codesourcery.com>
9636             Nigel Stephens  <nigel@mips.com>
9637
9638         * config/mips/mips.c (mips_classify_symbol): Don't return
9639         SYMBOL_SMALL_DATA for constant pool addresses if
9640         TARGET_EMBEDDED_DATA is true.
9641
9642 2007-07-14  Uros Bizjak  <ubizjak@gmail.com>
9643
9644         * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
9645         except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
9646         __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
9647         __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
9648         __builtin_ia32_storehps, __builtin_ia32_storelps,
9649         __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
9650         __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
9651         __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
9652         __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
9653         __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
9654         __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
9655         __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
9656         __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
9657         using def_builtin_const.
9658
9659 2007-07-14  Eric Botcazou  <ebotcazou@adacore.com>
9660
9661         PR tree-optimization/32705
9662         * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
9663         (simplify_binary_expression): Use SSA_VAL consistently.
9664
9665 2007-07-13  David Edelsohn  <edelsohn@gnu.org>
9666
9667         * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
9668         (SPEFSCR_REGNO): Delete definition.
9669         * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
9670         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9671         * config/rs6000/rs6000.h: Do not define *_REGNO.
9672         LINK_REGISTER_REGNUM -> LR_REGNO.
9673         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9674         * config/rs6000/predicates.md: LINK_REGISTER_REGNUM ->  LR_REGNO.
9675         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9676         * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
9677         R_VRSAVE, R_VSCR. Use them.
9678         * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
9679         R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR.  Use them.
9680         * config/rs6000/rs6000.md: Define REGNO constants.  Use them.
9681         * config/rs6000/aix.h: Define R_LR.  Use it.
9682
9683 2007-07-13  Caroline Tice  <ctice@apple.com>
9684
9685         * toplev.c (process_options): Turn flag_var_tracking_uninit off when
9686         flag_var_tracking is explicitly turned off (i.e. when variable
9687         tracking is not feasible); otherwise, turn flag_var_tracking on when
9688         flag_var_tracking_uninit is on.
9689         * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
9690         note definitions, to allow recording of initialization status in the
9691         notes.
9692         * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
9693         (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
9694         determine if two note locations are equal.
9695         (output_loc_list): Don't output list entries whose start & end labels
9696         are the same.
9697         (reg_loc_descriptor): Add parameter for initialization status; pass it
9698         to other loc descriptor functions.
9699         (one_reg_loc_descriptor): Add parameter for initialization status;
9700         check its value and add DW_OP_GNU_uninit to returned loc descr if
9701         appropriate.
9702         (multiple_reg_loc_descriptor): Add parameter for initialization
9703         status;
9704         pass init status argument to other loc descriptor functions; check
9705         value of intialization parameter and add DW_OP_GNU_uninit to returned
9706         loc descr if appropriate.
9707         (based_loc_descr): Add parameter for initialization status; add new
9708         variable for return value; check value of initialization parameter and
9709         add DW_OP_GNU_uninit to returned loc descr if appropriate.
9710         (concatn_mem_loc_descriptor): Add parameter for initialization status;
9711         pass init status argument to other loc descriptor functions; check
9712         value of intialization parameter and add DW_OP_GNU_uninit to returned
9713         loc descr if appropriate.
9714         (mem_loc_descriptor): Likewise.
9715         (concat_loc_descriptor): Likewise.
9716         (concatn_loc_descriptor): Likewise.
9717         (loc_descriptor): Add parameter for initialization status; pass it as
9718         argument to other loc descriptor function calls.
9719         (loc_descriptor_from_tree_1): Add appropriate initialization status
9720         to loc descriptor function calls.
9721         (add_location_or_const_value_attribute): Get initialization status
9722         from VAR_LOCATION note; add initialization status to loc descriptor
9723         function calls.
9724         * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
9725         * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
9726         status is uninitialized, add "[uninint]" to output.
9727         * common.opt (fvar-tracking-uninit): New option, similar to
9728         fvar-tracking, to turn on tracking of uninitialized variables; creates
9729         a new global flag, flag_var_tracking_uninit.
9730         * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
9731         (enum var_init_status): New type, for var initialization status field.
9732         * var-tracking.c (struct location_chain_def): Two new fields, init,
9733         for initialization status, and set_src for the assignment value expr.
9734         (unshare_variable): New parameter for initialization status;
9735         initialize new init and set_src fields.
9736         (var_reg_set): New parameters for initialization status and value;
9737         pass them to set_variable_part.
9738         (var_mem_set): Likewise.
9739         (get_init_value): New function.
9740         (var_reg_delete_and_set): New initialization status & value
9741         parameters; add call to get_init_value if status is unknown; pass new
9742         parameters to clobber_variable_part and var_reg_set.
9743         (var_mem_delete_and_set): Likewise.
9744         (var_reg_delete): Pass null set_src value to clobber_variable_part.
9745         (var_mem_delete): Likewise.
9746         (variable_union): Pass status to unshare_variable; initialize new init
9747         and set_src fields. If flag_var_tracking_uninit is not set, force
9748         status to initialized.
9749         (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
9750         used later to get the set_src value.
9751         (find_src_status): New function.
9752         (find_src_set_src): New function.
9753         (compute_bb_dataflow): Pass init status to calls to var_reg_set,
9754         var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
9755         MO_SET, get set_src value and pass it to var_reg_delete_and_set
9756         and var_mem_delete_and_set.
9757         (dump_variable): Print out "[uninit]" if appropriate.
9758         (set_variable_part): Add new initialization and set_src parameters;
9759         pass status to unshare_variable; set node->init and node- >set_src
9760         fields and modify slot in hash table appropriately; save the init and
9761         set_src values if appropriate and assign to the new node.
9762         (clobber_variable_part): New set_src parameter; if two nodes have
9763         same variable and same location but different set_src (assignment)
9764         values, clobber old node.
9765         (delete_variable_part): Pass init status to unshare_variable.
9766         (emit_note_insn_var_location): Add initialized var; assign var's init
9767         status to new 'initialized'; pass new init status field to calls to
9768         gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
9769         status to initialized.
9770         (emit_notes_in_bb): Pass initialization status to calls to
9771         var_reg_set, var_mem_set, var_reg_delete_and_set and
9772         var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
9773         var_reg_delete_and_set and var_mem_delete_and_set; call
9774         emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
9775         make up for change in add_stores.
9776         (vt_add_function_parameters): Add status to calls to
9777         set_variable_part.
9778         * config/darwin.c (darwin_override_options): Turn on uninitialized
9779         tracking automatically, if var_tracking is on and the system is
9780         10.5 or higher.
9781
9782 2007-07-13  Sa Liu  <saliu@de.ibm.com>
9783
9784         * config.gcc: Add options for arch and tune on SPU.
9785         * config/spu/predicates.md: Add constant operands 0 and 1.
9786         * config/spu/spu-builtins.def: Add builtins for double precision
9787         floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt,
9788         si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
9789         spu_testsv.
9790         * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with
9791         a CELLEDP target.
9792         * config/spu/spu-protos.h: Add new function prototypes.
9793         * config/spu/spu.c (spu_override_options): Check options -march and
9794         -mtune.
9795         (spu_comp_icode): Add comparison code for DFmode and vector mode.
9796         (spu_emit_branch_or_set): Use the new code for DFmode and vector
9797         mode comparison.
9798         (spu_const_from_int): New.  Create a vector constant from 4 ints.
9799         (get_vec_cmp_insn): New.  Get insn index of vector compare instruction.
9800         (spu_emit_vector_compare): New.  Emit vector compare.
9801         (spu_emit_vector_cond_expr): New.  Emit vector conditional expression.
9802         * config/spu/spu.h: Add options -march and -mtune.  Define processor
9803         types PROCESSOR_CELL and PROCESSOR_CELLEDP.  Define macro
9804         CANONICALIZE_COMPARISON.
9805         * config/spu/spu.md: Add new insns for double precision compare
9806         and double precision vector compare.  Add vcond and smax/smin patterns
9807         to enable DFmode vector conditional expression.
9808         * config/spu/spu.opt: Add options -march and -mtune.
9809         * config/spu/spu_internals.h: Add builtins for CELLEDP target:
9810         si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv.  Add builtin for
9811         both CELL and CELLEDP targets: spu_testsv.
9812         * config/spu/spu_intrinsics.h: Add flag mnemonics for test special
9813         values.
9814
9815 2007-07-13  Richard Guenther  <rguenther@suse.de>
9816
9817         PR tree-optimization/32721
9818         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
9819         TREE_THIS_VOLATILE on the folded reference.
9820         * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
9821         if the array reference has TREE_THIS_VOLATILE set.
9822
9823 2007-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9824
9825         PR other/32188
9826         * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
9827
9828 2007-07-13  Andreas Schwab  <schwab@suse.de>
9829
9830         * gengtype-lex.l: Allow declarations to be indented.
9831
9832 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9833
9834         * ginclude/tgmath.h: New.
9835         * config.gcc: Use GCC's tgmath.h on non-glibc systems.
9836         * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
9837         * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
9838         * configure: Regenerate.
9839
9840 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9841
9842         * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
9843         correct index when setting register save state for xd
9844         registers.
9845
9846 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9847
9848         * config/sh/sh.c (mark_use): Remove.
9849
9850 2007-07-12  Paul Brook  <paul@codesourcery.com>
9851
9852         * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
9853         reg does not overlap return value.
9854
9855 2007-07-12  Daniel Berlin  <dberlin@dberlin.org>
9856
9857         * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
9858         (set_expression_vuses): Ditto.
9859         (init_pre): Initialize expression_vuses.
9860
9861 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9862
9863         * config/i386/sse.md (storentdf, storentsf): New.
9864
9865 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9866
9867         * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
9868         FUNCTION_DECL.
9869         * tree.c (build_decl_stat): Move code from here...
9870         (make_node_stat): ... to here.  Don't uselessly clear DECL_USER_ALIGN.
9871         (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL.  Add comment
9872         about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
9873         * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
9874         * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
9875         FUNCTION_BOUNDARY.
9876
9877 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9878             Devang Patel  <dpatel@apple.com>
9879
9880         PR tree-optimization/25413
9881         * targhooks.c (default_builtin_vector_alignment_reachable): New.
9882         * targhooks.h (default_builtin_vector_alignment_reachable): New.
9883         * tree.h (contains_packed_reference): New.
9884         * expr.c (contains_packed_reference): New.
9885         * tree-vect-analyze.c (vector_alignment_reachable_p): New.
9886         (vect_enhance_data_refs_alignment): Call
9887         vector_alignment_reachable_p.
9888         * target.h (vector_alignment_reachable): New builtin.
9889         * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
9890         * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
9891         (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
9892
9893 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9894
9895         * target.h (builtin_vectorization_cost): Add new target builtin.
9896         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
9897         * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
9898         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
9899         * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
9900         uninitialized variables.
9901         * tree-vect-transform.c (cost_for_stmt): New function.
9902         (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
9903         using cost 1 for all scalar stmts. Be less conservative when
9904         estimating the number of prologue/epulogue iterations. Call
9905         targetm.vectorize.builtin_vectorization_cost. Return
9906         min_profitable_iters-1.
9907         (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
9908         initialization cost instead of TARG_VEC_STMT_COST. Use
9909         TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
9910         epilogue code. Fix epilogue cost computation.
9911         * config/spu/spu.c (spu_builtin_vectorization_cost): New.
9912         (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
9913         * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
9914         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
9915         (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
9916         (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
9917
9918 2007-07-12  Richard Guenther  <rguenther@suse.de>
9919
9920         * gimplify.c (gimplify_conversion): Make sure that the result
9921         from maybe_fold_offset_to_reference is trivially convertible
9922         to the desired type before doing the simplification.
9923         (gimplify_expr): Likewise.
9924         * fold-const.c (fold_binary): Use the correct types for
9925         building the simplified expression.
9926
9927 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9928
9929         PR rtl-optimization/32729
9930         * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
9931         that fallthru to exit.
9932
9933 2007-07-12  Kaz Kojima  <kkojima@gcc.gnu.org>
9934
9935         * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
9936         (symDTPOFF2reg): Likewise.
9937
9938 2007-07-11  Daniel Berlin  <dberlin@dberlin.org>
9939
9940         PR tree-optimization/32663
9941
9942         * tree.h (VALUE_HANDLE_VUSES): Remove.
9943         (struct tree_value_handle): Remove vuses.
9944
9945         * tree-vn.c (create_value_handle_for_expr): Don't set
9946         VALUE_HANDLE_VUSES.
9947
9948         * tree-ssa-pre.c (expression_vuses): New.
9949         (alloc_expression_id): Set up expression_vuses.
9950         (get_expression_vuses): New.
9951         (set_expression_vuses): Ditto.
9952         (clear_expression_ids): Modify for expression_vuses.
9953         (phi_translate_1): Ditto.
9954         (phi_translate_set): Ditto.
9955         (value_dies_in_block_x): Ditto
9956         (valid_in_sets): Ditto.
9957         (add_to_sets): Ditto.
9958         (find_existing_value_expr): Ditto.
9959         (create_value_handle_for_expr): Ditto.
9960         (make_values_for_stmt): Ditto.
9961         (vuse_equiv): Remove.
9962
9963 2007-07-11  Alexandre Oliva  <aoliva@redhat.com>
9964
9965         * Makefile.in (mostlyclean): Remove object files.
9966
9967 2007-07-11  Kenneth Zadeck <zadeck@naturalbridge.com>
9968
9969         * toplev.c (no_new_pseudos): Deleted.
9970         * rtl.h (no_new_pseudos): Deleted.
9971         * tree-pass.h (pass_no_new_pseudos): Deleted.
9972         * passes.c (pass_no_new_pseudos): Deleted.
9973         * final.c (rest_of_clean_state): Removed no_new_pseudos.
9974         (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
9975         * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with
9976         reload_completed.
9977         * cfgcleanup.c (try_crossjump_to_edge): Ditto.
9978         * rtlhooks.c (gen_lowpart_general): Ditto.
9979         * optabs.c (prepare_operand): Ditto.
9980         * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
9981         no_new_pseudos.
9982         * modulo-sched.c (rest_of_handle_sms): Ditto.
9983         * see.c (rest_of_handle_see): Ditto.
9984         * ifcvt.c (if_convert): Ditto.
9985         (gate_handle_if_after_combine): Replaced no_new_pseudos with
9986         reload_completed.
9987         * init-regs.c (gate_initialize_regs): Deleted set of
9988         no_new_pseudos.
9989         * lower-subreg.c (decompose_multiword_subregs): Ditto.
9990         * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
9991         * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
9992
9993 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9994
9995         PR target/32661
9996         * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
9997         (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
9998         (*vec_extractv2di_1_rex64): New insn pattern.
9999
10000 2007-07-11  David Daney  <ddaney@avtrex.com>
10001
10002         * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
10003         return address calculation.  Substitute DWARF_ALT_FRAME_RETURN_COLUMN
10004         for SIGNAL_UNWIND_RETURN_COLUMN.
10005         * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
10006         (DWARF_FRAME_REGNUM): Rewrite.
10007         (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
10008
10009 2007-07-11  Nick Clifton  <nickc@redhat.com>
10010
10011         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
10012         delta and use gen_int_mode in place of GET_INT instead.
10013
10014 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
10015
10016         * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
10017         and letter field.
10018
10019 2007-07-11  Douglas Gregor  <doug.gregor@gmail.com>
10020
10021         * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
10022         (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical
10023         types or not.
10024         * params.h (VERIFY_CANONICAL_TYPES): Remove.
10025         (USE_CANONICAL_TYPES): New.
10026         * doc/invoke.texi (verify-canonical-types): Remove.
10027         (use-canonical-types): Add.
10028
10029 2007-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
10030
10031         * config/spu/spu.c (spu_optimization_options): Remove setting of
10032         parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
10033         (spu_override_options): Move it here.
10034
10035 2007-07-11  Richard Sandiford  <richard@codesourcery.com>
10036
10037         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
10038         * config/mips/mips.c (mips_cpu_info_table): Mention
10039         MIPS_ISA_LEVEL_SPEC in the comment.
10040
10041 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
10042
10043         PR tree-optimization/32713
10044         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
10045
10046 2007-07-11  Paolo Carlini  <pcarlini@suse.de>
10047
10048         PR middle-end/30482
10049         * c-opts.c (c_common_post_options): Do not change flag_complex_method
10050         conditional to flag_isoc99.
10051         (c_common_init_options): Do it here, unconditionally.
10052
10053 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
10054
10055         PR tree-optimization/32589
10056         * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
10057         * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
10058         * tree-ssa-propagate.c (valid_gimple_expression_p): New
10059         predicate, extracted from...
10060         (set_rhs): ...here.  Call it for the expression on entry.
10061         * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
10062         * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
10063         (simplify_binary_expression): Use valid_gimple_expression_p
10064         to validate the simplification.
10065         * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
10066
10067 2007-07-11  Danny Smith  <dannysmith@users.sourceforge.net>
10068
10069         * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
10070         DWARF2_DEBUG on 32 bit target too.
10071         (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition.
10072
10073 2007-07-11  Nick Clifton  <nickc@redhat.com>
10074
10075         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
10076         version for 64-bit hosts.
10077
10078 2007-07-10  David Daney  <ddaney@avtrex.com>
10079
10080         * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
10081         predicate.
10082         (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of  library
10083         call.
10084         * config/mips/mips.c (mips_expand_synci_loop): New function.
10085         * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
10086         (UNSPEC_RDHWR): Same.
10087         (UNSPEC_SYNCI): Same.
10088         (UNSPEC_SYNC): Same.
10089         (clear_cache): New expand.
10090         (sync): New insn.
10091         (synci): Same.
10092         (rdhwr): Same.
10093         (clear_hazard): Same.
10094         * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
10095         function.
10096         * testsuite/gcc.target/mips/clear-cache-1.c: New test.
10097         * testsuite/gcc.target/mips/clear-cache-2.c: New test.
10098
10099 2007-07-10  Ian Lance Taylor  <iant@google.com>
10100
10101         * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
10102         no_new_pseudos.
10103
10104 2007-07-10  David Daney  <ddaney@avtrex.com>
10105
10106         * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
10107         * builtins.c (expand_builtin___clear_cache): New function.
10108         (expand_builtin): Call expand_builtin___clear_cache for
10109         BUILT_IN_CLEAR_CACHE case.
10110         * doc/extend.texi (__builtin___clear_cache): Document new builtin.
10111         * doc/md.texi (clear_cache): Document new instruction pattern.
10112         * testsuite/gcc.dg/builtins-64.c: New test.
10113
10114 2007-07-11  Hans-Peter Nilsson  <hp@axis.com>
10115
10116         * config/cris/cris.md ("movsi"): Fix typo in last change.
10117
10118 2007-07-09  Geoffrey Keating  <geoffk@apple.com>
10119
10120         PR 32617
10121         * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
10122         FUNCTION_DECLs.
10123         (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
10124         * varasm.c (assemble_start_function): Honor DECL_ALIGN
10125         for FUNCTION_DECLs.  Don't use align_functions_log if
10126         DECL_USER_ALIGN.
10127         * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
10128         even for FUNCTION_DECLs.
10129         * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
10130         FUNCTION_DECLs.
10131         * tree.h (DECL_ALIGN): Update for new location of 'align'.
10132         (DECL_FUNCTION_CODE): Update for new location and name of
10133         'function_code'.
10134         (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
10135         (struct tree_decl_common): Move 'align' and 'off_align' out
10136         of union, ensure they're still on a 32-bit boundary.  Remove
10137         other fields in union 'u1'.
10138         (struct tree_function_decl): Add field 'function_code' replacing
10139         'u1.f' in tree_decl_common.
10140         * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
10141         * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
10142         (Variable Attributes): Cross-reference 'aligned' attribute
10143         to Function Attributes.
10144         * flags.h (force_align_functions_log): Delete.
10145         * toplev.c (force_align_functions_log): Delete.
10146
10147 2007-07-10  Uros Bizjak  <ubizjak@gmail.com>
10148
10149         PR target/32708
10150         * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
10151         (*vec_concatv2di_rex): New insn pattern.
10152
10153 2007-07-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10154
10155         PR target/32538
10156         * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
10157
10158 2007-07-10  Ian Lance Taylor  <iant@google.com>
10159
10160         Replace no_new_pseudos in backends.
10161         * rtl.h (can_create_pseudo_p): Define.
10162         * config/darwin.c (machopic_indirect_data_reference): Use
10163         can_create_pseudo_p () instead of no_new_pseudos.
10164         (machopic_indirect_data_reference): Likewise.
10165         (machopic_legitimize_pic_address): Likewise.
10166         * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
10167         (alpha_emit_set_const_1): Likewise.
10168         (alpha_emit_set_const): Likewise.
10169         (alpha_emit_conditional_move): Likewise.
10170         (alpha_split_conditional_move): Likewise.
10171         * config/alpha/alpha.md (various splitters): Likewise.
10172         (movti): Likewise.
10173         * config/arm/arm.c (legitimize_pic_address): Likewise.
10174         (arm_load_pic_register): Likewise.
10175         * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
10176         (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
10177         * config/bfin/bfin.c (legitimize_pic_address): Likewise.
10178         * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
10179         * config/cris/cris.md (movsi): Likewise.
10180         * config/frv/frv.md (symGOT2reg_hilo): Likewise.
10181         (symGOTOFF2reg_hilo): Likewise.
10182         (symGPREL2reg, symGPREL2reg_hilo): Likewise.
10183         * config/h8300/h8300.md (insv, extzv): Likewise.
10184         * config/i386/i386.c (ix86_expand_move): Likewise.
10185         (ix86_expand_vector_move): Likewise.
10186         (ix86_prepare_fp_compare_args): Likewise.
10187         (ix86_expand_carry_flag_compare): Likewise.
10188         * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
10189         (tls_dynamic_gnu2_combine_32): Likewise.
10190         (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
10191         * config/ia64/ia64.c (ia64_expand_move): Likewise.
10192         (ia64_expand_movxf_movrf): Likewise.
10193         * config/m32c/m32c.c (m32c_prepare_move): Likewise.
10194         (m32c_split_move): Likewise.
10195         (m32c_expand_insv): Likewise.
10196         * config/m68k/m68k.md (movsi): Likewise.
10197         * config/mips/mips.c (mips_force_temporary): Likewise.
10198         (mips_split_symbol): Likewise.
10199         (mips_move_integer): Likewise.
10200         (mips_legitimize_const_move): Likewise.
10201         * config/mn10300/mn10300.md (movsi): Likewise.
10202         * config/pa/pa.c (emit_move_sequence): Likewise.
10203         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
10204         (rs6000_got_register): Likewise.
10205         (create_TOC_reference): Likewise.
10206         (rs6000_machopic_legitimize_pic_address): Likewise.
10207         * config/rs6000/rs6000.md (add<mode>3): Likewise.
10208         (various splitters): Likewise.
10209         (iorsi3, xorsi3, iordi3, xordi3): Likewise.
10210         (movsi_got): Likewise.
10211         * config/s390/s390.c (emit_symbolic_move): Likewise.
10212         * config/s390/s390.md (movhi, movqi): Likewise.
10213         (load_multiple, store_multiple): Likewise.
10214         * config/score/score.c (score_force_temporary): Likewise.
10215         * config/sh/sh.c (prepare_move_operands): Likewise.
10216         (prepare_cbranch_operands): Likewise.
10217         (emit_fpu_switch): Likewise.
10218         (fpscr_set_from_mem): Likewise.
10219         * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
10220         (adddi3, subsi3): Likewise.
10221         (various splitters): Likewise.
10222         (divsi_inv_fp_combine): Likewise.
10223         (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
10224         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
10225         (sne): Likewise.
10226         * config/sh/predicates.md (xor_operand): Likewise.
10227         * config/sparc/sparc.c (legitimize_tls_address): Likewise.
10228         * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
10229         (movdi_pic_label_ref): Likewise.
10230         * config/spu/spu.c (spu_split_immediate): Likewise.
10231         * config/alpha/alpha.md (various splitters): Remove test
10232         !no_new_pseudos || reload_completed.
10233         * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
10234         no_new_pseudos.
10235         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
10236         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
10237         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
10238         * config/score/score.c (th_output_mi_thunk): Likewise.
10239         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
10240         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
10241
10242 2007-07-10  Kaz Kojima  <kkojima@gcc.gnu.org>
10243
10244         PR rtl-optimization/32664
10245         * mode-switching.c (create_pre_exit): Skip barrier insns.
10246
10247 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
10248
10249         * tree-scalar-evolution.c (scev_const_prop): Add arguments to
10250         force_gimple_operand_bsi.
10251         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
10252         rewrite_use_compare): Ditto.
10253         * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
10254         Ditto.
10255         * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
10256         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
10257         * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
10258         * tree-profile.c (prepare_instrumented_value,
10259         tree_gen_interval_profiler, tree_gen_pow2_profiler,
10260         tree_gen_one_value_profiler, tree_gen_ic_profiler,
10261         tree_gen_ic_func_profiler, tree_gen_average_profiler,
10262         tree_gen_ior_profiler): Ditto.
10263         * tree-ssa-reassoc.c (negate_value): Ditto.
10264         * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
10265         Use force_gimple_operand_bsi.
10266         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
10267         * tree-if-conv.c (add_to_dst_predicate_list,
10268         find_phi_replacement_condition): Ditto.
10269         * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
10270         Call mark_symbols_for_renaming for new statements.
10271         * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
10272
10273 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
10274
10275         * cfghooks.c (remove_edge): New function.
10276         (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
10277         loop exit rescans.
10278         * cfghooks.h (remove_edge): Declare.
10279         * cfg.c (remove_edge): Renamed to remove_edge_raw.
10280         * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
10281
10282 2007-07-09  Wolfgang Gellerich  <gellerich@de.ibm.com>
10283
10284         * optabs.h: Added declaration for signbit_optab.
10285         * optabs.c: (init_optabs): Added initialization for signbit_optab.
10286         * genoptinit.c (optabs): Added entry for signbit insns.
10287         * builtins.c (expand_builtin_signbit): Added code to use a signbit
10288         insn, if available.
10289         * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.
10290         * config/s390/s390.md (signbit<mode>2): New expander.
10291
10292 2007-07-09  Richard Guenther  <rguenther@suse.de>
10293
10294         PR middle-end/32698
10295         * fold-const.c (fold_plusminus_mult_expr): Move constant
10296         arguments second to allow decomposing.
10297
10298 2007-07-09  Alexandre Oliva  <aoliva@oliva.athome.lsd.ic.unicamp.br>
10299
10300         Revert:
10301         2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10302         PR debug/23551
10303         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10304         Disregard DECL_FROM_INLINE.
10305
10306 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
10307
10308         PR target/27855
10309         * doc/invoke.texi: Add ftree-reassoc flag.
10310         * common.opt (ftree-reassoc): New flag.
10311         * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
10312         (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
10313
10314 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
10315
10316         PR tree-optimization/32681
10317         * tree-if-conv.c (find_phi_replacement_condition): Use the condition
10318         saved in second_edge->aux when first_bb is a loop header.
10319
10320 2007-07-09  Jan HUbicka  <jh@suse.cz>
10321
10322         * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
10323
10324 2007-07-09  Richard Guenther  <rguenther@suse.de>
10325
10326         * c-decl.c (start_function): Do not promote return type.
10327
10328 2007-07-08  Daniel Franke  <franke.daniel@gmail.com>
10329
10330         * function.c (do_warn_unused_parameter): Do not warn if
10331         TREE_NO_WARNING is set.
10332
10333 2007-07-08  Andreas Schwab  <schwab@suse.de>
10334
10335         * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
10336
10337 2007-07-08  Sandra Loosemore  <sandra@codesourcery.com>
10338
10339         Revert this patch:
10340         2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10341
10342         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10343         apply to assembly language, too.
10344         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10345
10346 2007-07-07  Daniel Berlin  <dberlin@dberlin.org>
10347
10348         Revert (note the sccvn portions are *not* reverted)
10349         2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10350
10351         Fix PR tree-optimization/23488
10352
10353         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10354         handles.
10355         * tree-flow-inline.h (get_value_handle): Ditto.
10356         * tree-ssa-pre.c (decl_vh_map): New.
10357         (decl_node_pool): New.
10358         (can_value_number_operation): Support DECL_P.
10359         (can_PRE_operation): Ditto.
10360         (create_expression_by_pieces): Ditto.
10361         (find_existing_value_expr): Modify to differnetiate between
10362         addressing and top level.
10363         (create_value_handle_for_expr): Handle DECL's.
10364         (poolify_tree): Ditto.
10365         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10366         (make_values_for_stmt): Handle DECL's properly.
10367         (init_pre): Reorg to not init useless things during FRE.
10368         (fini_pre): Ditto.
10369         * tree-flow.h: Include pointer-set.h.
10370         (decl_vh_map): Declare.
10371         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10372
10373 2007-07-07 Eric Weddington  <eweddington@cso.atmel.com>
10374
10375         * config/avr/constraints.md (define_memory_constraint "Q"): Fix
10376         the constraint description.
10377         * doc/md.texi: Update documentation of AVR constraints.
10378
10379 2007-07-07  Kazu Hirata  <kazu@codesourcery.com>
10380
10381         * auto-inc-dec.c, config/arm/arm.c,
10382         config/m32r/constraints.md, config/mips/mips.md,
10383         config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
10384         df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
10385         tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
10386         typos.  Follow spelling conventions.
10387         * doc/invoke.texi, doc/rtl.texi: Fix typos.
10388
10389         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
10390         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
10391
10392         * tree-ssa-operands.c (realloc_vop, realloc_vdef,
10393         realloc_vuse): Remove.
10394         * tree-ssa-operands.h: Remove the prototype for realloc_vdef
10395         and realloc_vuse.
10396
10397 2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10398
10399         Fix PR tree-optimization/23488
10400
10401         * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
10402         (try_to_simplify): Ditto.
10403         (visit_use): Ditto.
10404         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10405         handles.
10406         * tree-flow-inline.h (get_value_handle): Ditto.
10407         * tree-ssa-pre.c (decl_vh_map): New.
10408         (decl_node_pool): New.
10409         (can_value_number_operation): Support DECL_P.
10410         (can_PRE_operation): Ditto.
10411         (create_expression_by_pieces): Ditto.
10412         (find_existing_value_expr): Modify to differnetiate between
10413         addressing and top level.
10414         (create_value_handle_for_expr): Handle DECL's.
10415         (poolify_tree): Ditto.
10416         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10417         (make_values_for_stmt): Handle DECL's properly.
10418         (init_pre): Reorg to not init useless things during FRE.
10419         (fini_pre): Ditto.
10420         * tree-flow.h: Include pointer-set.h.
10421         (decl_vh_map): Declare.
10422         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10423
10424 2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10425
10426         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10427         apply to assembly language, too.
10428         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10429
10430 2007-07-06  Ian Lance Taylor  <iant@google.com>
10431             Zack Weinberg  <zackw@panix.com>
10432
10433         PR middle-end/32441
10434         * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
10435
10436 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10437
10438         * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
10439         (prefetch): Likewise if "pref" would be used.
10440
10441 2007-07-06  Josh Conner  <jconner@apple.com>
10442
10443         PR middle-end/32602
10444         PR middle-end/32603
10445         * calls.c (store_one_arg): Handle arguments which are partially
10446         on the stack when detecting argument overlap.
10447
10448 2007-07-06  Bernd Schmidt  <bernd.schmidt@analog.com>
10449
10450         * reload1.c (choose_reload_regs): Set reload_spill_index for regs
10451         chosen during find_reloads.
10452
10453 2007-07-06  Richard Guenther  <rguenther@suse.de>
10454
10455         * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
10456         TYPE_ARG_TYPES for verification of argument types.  Use
10457         DECL_ARG_TYPE instead of the PARM_DECL type.  Take excess
10458         parameters as variable arguments.
10459
10460 2007-07-06  Andreas Krebbel  <krebbel1@de.ibm.com>
10461
10462         * libgcc2.h (word_type): Type definition removed.
10463         (cmp_return_type, shift_count_type): Type definitions added.
10464         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10465         replaced with shift_count_type.
10466         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10467         cmp_return_type.
10468         * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
10469         changed from word_type to Wtype.
10470         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10471         replaced with shift_count_type.
10472         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10473         cmp_return_type.
10474         * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
10475         and libgcc_shift_count attribute added.
10476         * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
10477         TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
10478         (TARGET_INITIALIZER): New target hooks added.
10479         * targhooks.c (default_libgcc_cmp_return_mode,
10480         default_libgcc_shift_count_mode): Default implementations for the new
10481         target hooks added.
10482         * targhooks.h (default_libgcc_cmp_return_mode,
10483         default_libgcc_shift_count_mode): Function prototypes added.
10484         * target.h (struct gcc_target): Fields for the new target hooks added.
10485         * optabs.c (expand_binop): Use shift_count_mode when expanding shift
10486         as library call.
10487         (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
10488         library call.
10489
10490         * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
10491         TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
10492
10493         * config/s390/s390.c (s390_libgcc_cmp_return_mode,
10494         s390_libgcc_shift_count_mode): Functions added.
10495         (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
10496         Target hooks defined.
10497
10498 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10499
10500         * config/mips/mips.c (compute_frame_size): Restore the original
10501         gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
10502         fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
10503         Document why the difference is needed.
10504
10505 2007-07-06  Richard Guenther  <rguenther@suse.de>
10506
10507         * c-common.c (boolean_increment): Use correctly typed
10508         constant.
10509
10510 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10511
10512         * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
10513         the topmost argument register is not also included in the save mask.
10514         (mips16e_collect_argument_save_p): Take a pointer to the argument
10515         register, rather than a pointer to the number of arguments.
10516         (mips16e_collect_argument_saves): Only include argument saves
10517         that aren't in the register mask.
10518
10519 2007-07-06  Uros Bizjak  <ubizjak@gmail.com>
10520
10521         PR rtl-optimization/32450
10522         * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
10523         to ensure that instructions are not moved into the prologue when
10524         profiling is on.  Remove unused prologue_end variable.
10525         (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
10526         as a scheduling barrier.
10527
10528 2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10529
10530         PR debug/23551
10531         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10532         Disregard DECL_FROM_INLINE.
10533
10534 2007-07-05  Adam Nemet  <anemet@caviumnetworks.com>
10535
10536         * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
10537         IORing with a constant.
10538
10539 2007-07-05  Seongbae Park  <seongbae.park@gmail.com>
10540
10541         PR rtl-optimization/32475
10542         * df-scan.c (df_def_record_1): Add a use of the stack pointer
10543         for every definition of the stack pointer.
10544
10545 2007-07-05  Richard Earnshaw  <rearnsha@arm.com>
10546
10547         * arm.c (vfp3_const_double_index): Copy signed results of
10548         REAL_VALUE_TO_INT into unsigned vars.
10549
10550 2007-07-05  Richard Guenther  <rguenther@suse.de>
10551
10552         PR middle-end/32639
10553         * alias.c (get_alias_set): Tread METHOD_TYPE the same as
10554         FUNCTION_TYPE.
10555         * tree-ssa.c (useless_type_conversion_p): Check canonical
10556         types early.
10557
10558 2007-07-05 Anatoly Sokolov <aesok@post.ru>
10559
10560         * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
10561         zero_extendhisi2): Change to define_insn_and_split.
10562         (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
10563
10564 2007-07-05  Paolo Bonzini  <bonzini@gnu.org>
10565
10566         * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
10567         pass_match_asm_constraints): New.
10568         * passes.c (init_optimization_passes): Add new pass.
10569         * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
10570         * function.h (struct function): Add has_asm_statement bit.
10571         (current_function_has_asm_statement): New.
10572         * tree-pass.h (pass_match_asm_constraints): New.
10573
10574 2007-07-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10575
10576         * config/mips/mips.c (mips_file_start): Avoid declaration
10577         after code.
10578
10579 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10580
10581         * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
10582
10583 2007-07-05  Uros Bizjak  <ubizjak@gmail.com>
10584
10585         * rtl.def (NOTE): Change print format string to print
10586         operand 5 as a note insn name.
10587
10588 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10589             David Ung  <davidu@mips.com>
10590
10591         * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
10592         * doc/invoke.texi: (MIPS Options): Document them.
10593
10594 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10595             David Ung  <davidu@mips.com>
10596
10597         Add support for SmartMIPS ASE.
10598
10599         * optabs.c (expand_binop_directly): New, broken out from...
10600         (expand_binop): Here.  Make it try rotating in the other
10601         direction even when the second operand isn't constant.
10602         * config/mips/mips.md (*lwxs): New.
10603         * config/mips/mips.opt (msmartmips): New.
10604         * config/mips/mips.c (mips_lwxs_address_p): New.
10605         (mips_rtx_costs): Make it recognize scaled indexed addressing.
10606         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
10607         __mips_smartmips when compiling for TARGET_SMARTMIPS.
10608         (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
10609         (ISA_HAS_LWXS): New.
10610         (ASM_SPEC): Add -msmartmips/-mno-smartmips.
10611         * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
10612         * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
10613         * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
10614         * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
10615         * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
10616         * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
10617
10618 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10619
10620         * tree-vectorizer.c (new_loop_vec_info): Initialize
10621         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10622         * tree-vectorizer.h (_loop_vec_info): Added new filed
10623         min_profitable_iters.
10624         (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
10625         (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
10626         * tree-vect-analyze.c (vect_analyze_operations): Set
10627         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10628         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
10629         VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
10630         Fix calculation of peel_iters_prologue. Move consideration of epilogue
10631         and prologue cost to after they are computed.
10632         (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
10633         TARG_VEC_STMT_COST.
10634         (vect_model_simple_cost): Takes additional argument dt. Consider cost
10635         of creating vectors from scalars according to dt.
10636         (vect_model_store_cost): Likewise.
10637         (vectorizable_call): Use dt array instead of scalar dt. Call
10638         vect_model_simple_cost with additional argument dt.
10639         (vectorizable_assignment): Likewise.
10640         (vectorizable_operation): Likewise.
10641         (vectorizable_type_demotion): Likewise.
10642         (vectorizable_type_promotion): Likewise.
10643         (vectorizable_store): Use dt array instead of scalar dt. Call
10644         vect_model_store_cost with additional argument dt.
10645         (vect_do_peeling_for_loop_bound): Don't call
10646         vect_estimate_min_profitable_iters. Instead, lookup
10647         LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
10648         "may not be profitable".
10649
10650 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10651
10652         PR testsuite/32014
10653         * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
10654         (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
10655         (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
10656         (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
10657
10658 2007-07-05  Zdenek Dvorak  <dvorakz@suse.cz>
10659
10660         * config/i386/i386.c (ix86_address_cost): Do not consider more complex
10661         addressing modes cheaper.
10662
10663 2007-07-05  Alexandre Oliva  <aoliva@redhat.com>
10664
10665         * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
10666         (dw_ranges_struct): Rename block_num to num.  Adjust.
10667         (dw_ranges_by_label_struct): New.
10668         (ranges_by_label, ranges_by_label_allocated,
10669         ranges_by_label_in_use): New variables.
10670         (add_ranges_num): Factored most of the code out of...
10671         (add_ranges): ... this one.  Rewrite in terms of the former.
10672         (add_ranges_by_labels): New.
10673         (output_ranges): Output by-label ranges.
10674         (dwarf2out_finish): Output range for multiple-section
10675         compile_unit.  Output standard DW_AT_low_pc in addition to
10676         unexpected DW_AT_entry_pc.
10677
10678 2007-07-04  Daniel Berlin  <dberlin@dberlin.org>
10679
10680         PR tree-optimization/32604
10681         PR tree-optimization/32606
10682
10683         * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
10684         (compute_antic_safe): Removed.
10685         (ANTIC_SAFE_LOADS): Ditto.
10686         (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
10687         (execute_pre): Don't call compute_antic_safe.
10688         (vuse_equiv): New function.
10689         (make_values_for_stmt): Use it
10690         * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
10691         not always true.
10692
10693 2007-07-04 Anatoly Sokolov <aesok@post.ru>
10694
10695         PR target/31331
10696         * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
10697         rather than a decl.
10698         (avr_attribute_table): Make "naked" attribute apply to function types
10699         rather than to decls.
10700         (avr_handle_fntype_attribute): New function.
10701
10702 2007-07-04  Joseph Myers  <joseph@codesourcery.com>
10703
10704         * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
10705         after \.
10706
10707 2007-07-04  David Ung  <davidu@mips.com>
10708             Joseph Myers  <joseph@codesourcery.com>
10709
10710         * config/mips/mips.md (type): Add logical, signext and move.
10711         (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
10712         *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
10713         *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
10714         combinations", *zero_extend<SHORT:mode><GPR:mode>2,
10715         *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
10716         *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
10717         *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
10718         *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
10719         *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
10720         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
10721         movv2sf_hardfloat_64bit): Use the new types.
10722         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
10723         *movdf_softfloat, *movdf_mips16): Use "multi".
10724         (extendqihi2): Replace with a define_expand.
10725         (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
10726         Based on extend<SHORT:mode><GPR:mode>2 patterns.
10727         * config/mips/74k.md (r74k_int_logical): New reservation and
10728         bypasses.
10729         (r74k_int_arith): Remove "slt".
10730         * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
10731         config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
10732         config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
10733         config/mips/sb1.md, config/mips/sr71k.md: Add new types to
10734         reservations for "arith".
10735
10736 2007-07-04  Richard Guenther  <rguenther@suse.de>
10737
10738         * tree-ssa.c (useless_type_conversion_p): Add handling for
10739         scalar float and vector types.  Only call the types_compatible_p
10740         langhook for aggregate types as last resort.  Follow the
10741         rules.
10742
10743 2007-07-04  Richard Guenther  <rguenther@suse.de>
10744
10745         * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
10746         the same as NOP_EXPR.
10747
10748 2007-07-04  Nick Clifton  <nickc@redhat.com>
10749
10750         * target.h (struct gcc_target): Add target_help field.
10751         * target-def.h (TARGET_HELP): New.
10752         (TARGET_INITIALIZER): Use TARGET_HELP.
10753         * opts.c (command_handle_option): Invoke target_help function, if
10754         defined, when the user has specified --target-help on the command
10755         line.
10756         * doc/invoke.texi: Mention that --target-help might print
10757         additional information.
10758         * doc/tm.texi: Document TARGET_HELP hook.
10759
10760         * arm.c (TARGET_HELP): Override default definition.
10761         (arm_target_help): New - display a wrapped list of cores and
10762         architectures supported.
10763
10764 2007-07-04  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10765
10766         * config/v850/v850.c (expand_prologue): Make sure
10767         GEN_INT() argument is sign extended rather than zero extended.
10768         (expand_epilogue): Likewise.
10769         (output_move_double): Delete.
10770         * config/v850/v850-protos.h (output_move_double): Delete.
10771         * config/v850/v850.md (movdi): Delete.
10772         (*movdi_internal): Delete.
10773         (movdf): Delete.
10774         (*movdf_internal): Delete.
10775
10776 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10777
10778         * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
10779         unless compiling RTP PIC.
10780
10781 2007-07-04  Richard Guenther  <rguenther@suse.de>
10782
10783         PR tree-optimization/32482
10784         * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
10785         original ssa name if we didn't find a shift expression.
10786         Fix shift constant for bit zero test.
10787
10788 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10789
10790         * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
10791
10792 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10793
10794         * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
10795         * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
10796         * config/arm/vxworks.h (ASM_SPEC): Delete.
10797         (SUBTARGET_EXTRA_ASM_SPEC): Define.
10798
10799 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10800
10801         * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
10802         (DDR_REVERSED_P): New.
10803         * tree-data-ref.c (initialize_data_dependence_relation,
10804         build_classic_dist_vector): Set DDR_REVERSED_P.
10805
10806 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10807
10808         PR middle-end/32457
10809         * tree-data-ref.c (analyze_siv_subscript_cst_affine,
10810         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10811         init_omega_for_ddr_1): Use non conservative number of iterations
10812         estimations.
10813         (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
10814         (analyze_siv_subscript): Remove FIXME and reinitialization of
10815         last_conflicts to chrec_dont_know.
10816         * testsuite/gfortran.dg/vect/pr32457.f90: New.
10817
10818 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10819
10820         * tree.c (maybe_canonicalize_argtypes): Improve description.
10821
10822 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10823
10824         * tree.c (maybe_canonicalize_argtypes): New.
10825         (build_function_type): Set canonical type.
10826         (build_method_type_directly): Ditto.
10827         (reconstruct_complex_type): Rebuild the METHOD_TYPE node
10828         properly.
10829
10830 2007-07-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10831
10832         * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
10833         like PLUS_EXPR.
10834         (rewrite_use_nonlinear_expr): Likewise.
10835
10836 2007-07-03  Seongbae Park  <seongbae.park@gmail.com>
10837
10838         * rtl.def (UNSPEC, USE, CLOBBER): More comments.
10839
10840 2007-07-04  Ben Elliston  <bje@au.ibm.com>
10841
10842         * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
10843         of this file.
10844
10845         * c-objc-common.c (c_types_compatible_p): Fix indentation.
10846
10847         * doc/tm.texi (Run-time Target): Capitalise "CPU".
10848         (Exception Handling): Likewise.
10849
10850 2007-07-03  Jan Hubicka  <jh@suse.cz>
10851
10852         * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
10853
10854 2007-07-03  Eric Christopher  <echristo@apple.com>
10855
10856         * doc/cppopts.texi: Add conflicting option note to -dM.
10857         * doc/invoke.texi: Add note about possible conflicts with
10858         -E for -dCHARS and note that -dM will not produce
10859         any results if there is no machine dependent reorg.
10860
10861 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10862
10863         * tree.h (DECL_ALIGN): Back out previous change.
10864
10865 2007-07-03  Joseph Myers  <joseph@codesourcery.com>
10866
10867         * configure.ac: Test for .dtprelword support on MIPS.
10868         * configure, config.in: Regenerate.
10869         * config/mips/mips.c (mips_output_dwarf_dtprel): New.
10870         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
10871
10872 2007-07-03  Julian Brown  <julian@codesourcery.com>
10873
10874         * config.gcc (with_fpu): Allow --with-fpu=vfp3.
10875         * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
10876         * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
10877         * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
10878         capability.
10879         (all_fpus): Add FPUTYPE_VFP3.
10880         (fp_model_for_fpu): Add VFPv3 field.
10881         (arm_rtx_costs_1): Give cost to VFPv3 constants.
10882         (vfp3_const_double_index): New function. Return integer index of
10883         VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
10884         isn't suitable.
10885         (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
10886         and argument represents a valid RTX for a VFPv3 constant.
10887         (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
10888         two instructions.
10889         (vfp_emit_fstmd): Similar, for fstmd.
10890         (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
10891         constants, represented as integer indices.
10892         (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
10893         VFP_REGNO_OK_FOR_DOUBLE macros.
10894         (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
10895         (arm_file_start): Set float-abi attribute for VFPv3, and output
10896         correct ".fpu" assembler directive.
10897         (arm_dbx_register_numbering): Add FIXME.
10898         * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
10899         (fputype): Add FPUTYPE_VFP3.
10900         (FIXED_REGISTERS): Add 32 registers for D16-D31.
10901         (CALL_USED_REGISTERS): Likewise.
10902         (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
10903         of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
10904         (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
10905         (D7_VFP_REGNUM): New.
10906         (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
10907         (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
10908         (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
10909         (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
10910         (REG_ALLOC_ORDER): Adjust for VFPv3.
10911         (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
10912         (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
10913         VFP_LO_REGS, VFP_HI_REGS.
10914         (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
10915         (IS_VFP_CLASS): Define macro.
10916         (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
10917         IS_VFP_CLASS.
10918         (REGISTER_MOVE_COST): Likewise.
10919         * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
10920         * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
10921         (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
10922         (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
10923         (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
10924         (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
10925         (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
10926         (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
10927         (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
10928         (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
10929         (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
10930         where appropriate for single-word registers.
10931         (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
10932         As above. Fix type attributes.
10933         * config/arm/constraints.md (register_contraint "t"): Define.
10934         (register_constraint "w"): Change to D0-D15, or D0-D31 for
10935         VFPv3/NEON.
10936         (register_constraint "x"): Define.
10937         (constraint "Dv"): Define.
10938
10939 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10940
10941         * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
10942
10943 2007-07-03  Tom Tromey  <tromey@redhat.com>
10944
10945         * c-parser.c (objc_pq_context): Removed.
10946         (objc_need_raw_identifier): Likewise.
10947         (c_parser) <objc_pq_context>: New field.
10948         <objc_need_raw_identifier>: Likewise.
10949         (OBJC_NEED_RAW_IDENTIFIER): Removed.
10950         (c_lex_one_token): Update.
10951         (c_parser_objc_protocol_definition): Update.
10952         (c_parser_objc_method_definition): Update.
10953         (c_parser_objc_methodproto): Update.
10954         (c_parser_declspecs): Update.
10955
10956 2007-07-03  David Ung  <davidu@mips.com>
10957
10958         * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
10959
10960 2007-07-03  David Ung  <davidu@mips.com>
10961             Richard Sandiford  <richard@codesourcery.com>
10962
10963         * doc/invoke.texi: Document -march=74kf3_2.
10964         * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
10965         (TUNE_74K): Check for it.
10966         * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
10967         (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
10968         * config/mips/mips.md (cpu): Add 74kf3_2.
10969         * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
10970         (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
10971         (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
10972         (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
10973         74kf3_2 to the CPU list.
10974         (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
10975         (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
10976         (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
10977         (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
10978         (r74kf3_2_fxfer_from_c1): New insn reservations.
10979
10980 2007-07-03  Richard Sandiford  <richard@codesourcery.com>
10981             David Ung  <davidu@mips.com>
10982
10983         * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
10984         -march=24kx with -march=24kf1_1.  Likewise 24ke[fx], 34k[fx]
10985         and 74k[fx].  Document aliases for the new options.
10986         * config/mips/mips.h (PROCESSOR_24KF): Rename to...
10987         (PROCESSOR_24KF2_1): ...this.
10988         (PROCESSOR_24KX): Rename to...
10989         (PROCESSOR_24KF1_1): ...this.
10990         (PROCESSOR_74KF): Rename to...
10991         (PROCESSOR_74KF2_1): ...this.
10992         (PROCESSOR_74KX): Rename to...
10993         (PROCESSOR_74KF1_1): ...this.
10994         (TUNE_74K): Update PROCESSOR_* names.
10995         * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
10996         for 24kf.  Add 24kf1_1 and 24kfx as synonyms for 24kx.  Likewise
10997         the 24ke*, 34k* and 74k* processors.  Update PROCESSOR_* names.
10998         (mips_rtx_cost_data): Update processor names in comments.
10999         (mips_issue_rate): Update PROCESSOR_* names.
11000         * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
11001         24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
11002         * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
11003         to r24kf2_1_*.  Rename r24kx_* insn reservations to r24kf1_1_*.
11004         Update cpu attribute names.
11005         (r24k_fpu_iss): Rename this reservation to...
11006         (r24kf2_1_fpu_iss): ...this and update all uses.
11007         (r24kx_fpu_iss): Rename this reservation to...
11008         (r24kf1_1_fpu_iss): ...this and update all uses.
11009         * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
11010         to r74kf2_1_*.  Rename r74kx_* insn reservations to r74kf1_1_*.
11011         Update cpu attribute names.
11012
11013 2007-07-01  Kaz Kojima  <kkojima@gcc.gnu.org>
11014
11015         * config/m32r/constraints.md: New file.
11016         * config/m32r/m32r.c: Include tm-constrs.h.
11017         (small_data_operand): Use satisfies_constraint_* instead of macro.
11018         (addr24_operand, gen_compare): Likewise.
11019         * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
11020         (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
11021         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
11022         EXTRA_CONSTRAINT): Likewise.
11023         * config/m32r/m32r.md: Include constraints.md.
11024         (*movsi_insn): Use satisfies_constraint_* instead of macro.
11025         (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
11026         * config/m32r/predicates.md (conditional_move_operand): Likewise.
11027         (two_insn_const_operand, int8_operand, uint16_operand,
11028         reg_or_int16_operand, reg_or_uint16_operand,
11029         reg_or_cmp_int16_operand, cmp_int16_operand,
11030         seth_add3_operand): Likewise.
11031
11032 2007-07-03  Eric Christopher  <echristo@gmail.com>
11033
11034         * libgcc2.h: Conditionally declare __bswapsi2 and
11035         __bswapdi2.
11036
11037 2007-07-03  H.J. Lu  <hongjiu.lu@intel.com>
11038
11039         * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
11040         defined.
11041
11042 2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11043
11044         PR target/28307
11045         * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
11046         (__gthrw_pragma): Provide default definition.
11047         (__gthrw2): Use it.
11048         * gthr-posix.c (__gthrw_pragma): Define.
11049
11050 2007-07-03  Daniel Berlin  <dberlin@dberlin.org>
11051
11052         * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
11053         before declaring inequality.
11054
11055 2007-07-03  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11056
11057         * combine.c (recog_for_combine): Log the success or failure of
11058           matching new insn patterns against the machine description in
11059           detailed dumps.
11060
11061 2007-07-03  Revital Eres  <eres@il.ibm.com>
11062
11063         * ddg.c (print_sccs): New function.
11064         (check_sccs): New function.
11065         (create_ddg_all_sccs): Use it.
11066         * ddg.h (print_sccs): Declare.
11067         * modulo-sched.c (sms_order_nodes): Call print_sccs.
11068
11069 2007-07-03  Uros Bizjak  <ubizjak@gmail.com>
11070
11071         * targhooks.h (default_mode_for_suffix): New function declaration.
11072         * targhooks.c (default_mode_for_suffix): New default target hook.
11073         * target.h (struct c): New structure in the targetm struct.
11074         (mode_for_suffix): New target hook as part of struct c.
11075         target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
11076         default_mode_for_suffix.
11077         (TARGET_C): New define.
11078         * c-lex.c: Include "target.h".
11079         (interpret_float): Use targetm.c.mode_for_suffix to determine
11080         the mode for a given non-standard suffix.
11081         Makefile.in (c-lex.o): Depend on $(TARGET_H).
11082
11083         * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
11084         (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
11085
11086         * doc/extend.texi (Floating Types): New node.  Document __float80 and
11087         __float128 types.  Document 'w', 'W', 'q' and 'Q' suffixes.
11088
11089 2007-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11090
11091         PR target/32506
11092         * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
11093         predicate instead of target_operand.
11094         (divsi3_i1_media, divsi3_media_2): Likewise.
11095
11096 2007-07-02  Eric Botcazou  <ebotcazou@adacore.com>
11097
11098         * tree.h (alias_sets_might_conflict_p): Rename into
11099         alias_sets_must_conflict_p.
11100         * alias.c (alias_sets_might_conflict_p): Likewise.
11101         (alias_sets_conflict_p): Use it.
11102         (objects_must_conflict_p): Likewise.
11103         * c-common.c (strict_aliasing_warning): Adjust.
11104
11105 2007-07-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11106
11107         * rtlhooks.c (gen_lowpart_if_possible): Check for
11108         invalid subreg before calling gen_lowpart_SUBREG.
11109
11110 2007-07-02  Geoffrey Keating  <geoffk@apple.com>
11111
11112         * config/darwin9.h: Add copyright notice.
11113         (LINK_COMMAND_SPEC): Add comment.
11114         (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
11115         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
11116         DARWIN_LIBSYSTEM_HAS_UNWIND.
11117
11118 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
11119
11120         PR libgomp/32468
11121         * omp-low.c (check_combined_parallel): New function.
11122         (lower_omp_parallel): Call it via walk_stmts, set
11123         OMP_PARALLEL_COMBINED if appropriate.
11124         (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
11125         isn't the only statement in WS_ENTRY_BB or OMP_RETURN
11126         the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
11127         don't consider it as combined parallel.
11128
11129 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
11130
11131         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
11132         (gcc_tooldir): Likewise.
11133         * configure: Regenerate.
11134         * Makefile.in (libsubdir_to_prefix): New variable, based on the
11135         old configure.ac gcc_tooldir setting.
11136         (prefix_to_exec_prefix): New variable.
11137         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
11138         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
11139
11140 2007-07-02  Daniel Berlin  <dberlin@dberlin.org>
11141
11142         Fix PR tree-optimization/32583
11143         Fix PR tree-optimization/32584
11144         * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
11145         (phi_translate_set): Use phi_translate directly now.
11146         (make_values_for_stmt): Don't value number RHS if we already know
11147         it is constant.
11148
11149 2007-07-02  Steve Ellcey  <sje@cup.hp.com>
11150             Jim Wilson <wilson@specifix.com>
11151
11152         PR target/31684
11153         * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
11154         copy_insn.
11155
11156 2007-07-02  Sandra Loosemore  <sandra@codesourcery.com>
11157             Richard Sandiford  <richard@codesourcery.com>
11158             Nigel Stephens  <nigel@mips.com>
11159
11160         * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
11161         (mips16e_output_save_restore): Declare.
11162         (mips16e_save_restore_pattern_p): Likewise.
11163         * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
11164         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
11165         for GENERATE_MIPS16E_SAVE_RESTORE.  Return 0x400 for TARGET_MIPS16
11166         && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
11167         (BITSET_P): New global macro, extracted from...
11168         (mips_for_each_saved_reg): ...here.
11169         (mips16e_save_restore_info): New struct.
11170         (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
11171         (mips16e_save_restore_regs): New variable.
11172         (mips_split_plus, mips16e_find_first_register): New functions.
11173         (mips16e_mask_registers): New function.
11174         (compute_frame_size): Expand the commentary before the function.
11175         Enforce the MIPS16e save and restore register range restrictions.
11176         Pad the general register save area at the low end.
11177         (mips16e_save_restore_reg, mips16e_build_save_restore)
11178         (mips16e_save_restore_pattern_p, mips16e_add_register_range)
11179         (mips16e_output_save_restore, mips16e_collect_propagate_value)
11180         (mips16e_collect_argument_save, mips16e_collect_argument_saves):
11181         New functions.
11182         (mips_expand_prologue, mips_expand_epilogue): Handle
11183         GENERATE_MIPS16E_SAVE_RESTORE.
11184         * config/mips/mips.md (*mips16e_save_restore): New pattern.
11185
11186 2007-07-02  Uros Bizjak  <ubizjak@gmail.com>
11187
11188         PR tree-optimization/31966
11189         PR tree-optimization/32533
11190         * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
11191         "basic_block" description as its third argument.  Update function
11192         calls to get destination bb from "edge" argument.  Save "cond" into
11193         aux field of the edge.  Update prototype for changed arguments.
11194         (if_convertible_loop_p): Clear aux field of incoming edges if bb
11195         contains phi node.
11196         (find_phi_replacement_condition): Operate on incoming edges, not
11197         on predecessor blocks.  If there is a condition saved in the
11198         incoming edge aux field, AND it with incoming bb predicate.
11199         Return source bb of the first edge.
11200         (clean_predicate_lists): Clean aux field of outgoing node edges.
11201         (tree_if_conversion): Do not initialize cond variable. Move
11202         variable declaration into the loop.
11203         (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
11204         initializations of new_stmt, arg0 and arg1 variables.
11205
11206 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
11207
11208         * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
11209         SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
11210
11211 2007-07-02  Richard Guenther  <rguenther@suse.de>
11212
11213         * tree-ssa.c (useless_type_conversion_p): Document
11214         future intent as defining the middle-end type system.
11215         Re-structure to call langhook last, group by type class,
11216         mark questionable parts.
11217
11218 2007-07-02  Richard Guenther  <rguenther@suse.de>
11219
11220         * tree-flow.h (types_compatible_p): Declare.
11221         * tree-ssa.c (types_compatible_p): New function.
11222         * ipa-type-escape.c (discover_unique_type): Use
11223         types_compatible_p instead of lang_hooks.types_compatible_p.
11224         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
11225         * tree-vn.c (expressions_equal_p): Likewise.
11226         * tree.c (fields_compatible_p): Likewise.
11227         * tree-ssa-dom.c (avail_expr_eq): Likewise.
11228         (cprop_operand): Use useless_type_conversion_p instead of
11229         lang_hooks.types_compatible_p.
11230         * tree-inline.c (setup_one_parameter): Likewise.
11231         (declare_return_variable): Likewise.
11232         * tree-nrv.c (tree_nrv): Likewise.
11233         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
11234         (maybe_fold_offset_to_component_ref): Likewise.
11235         (maybe_fold_offset_to_reference): Likewise.
11236         * tree-ssa-copy.c (may_propagate_copy): Likewise.
11237         (merge_alias_info): Likewise.
11238         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
11239         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
11240         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
11241         * tree-tailcall.c (find_tail_calls): Likewise.
11242         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
11243         * gimplify.c (canonicalize_addr_expr): Likewise.
11244         (fold_indirect_ref_rhs): Likewise.
11245         (gimplify_addr_expr): Likewise.  Swap parameters to cpt_same_type.
11246         (cpt_same_type): Likewise.
11247         (check_pointer_types_r): Swap parameters to cpt_same_type
11248         where appropriate.
11249         * fold-const.c (fold_convert): Revert fix for PR15988.
11250         * tree-inline.c (setup_one_parameter): Instead fix it here by
11251         using fold_build1 instead of fold_convert and checking for
11252         error_mark_node.  Convert only if the conversion is necessary.
11253
11254 2007-07-02  Joseph Myers  <joseph@codesourcery.com>
11255
11256         * configure.ac: Check for .gnu_attribute on Power.
11257         * configure: Regenerate.
11258         * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
11259         attribute for floating-point ABI.
11260
11261 2007-07-02  Ira Rosen  <irar@il.ibm.com>
11262
11263         PR tree-optimization/32230
11264         PR tree-optimization/32477
11265         * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
11266         address is a constant.
11267
11268 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
11269
11270         * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
11271         (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
11272         (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
11273         stanzas.  Use the first part of the triplet to set MIPS_ISA_DEFAULT.
11274         Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
11275         64-bit targets.  Add support for *-elfoabi*.
11276         * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
11277         different settings if $(tm_defines) does not select the EABI.
11278         (MULTILIB_EXCLUSIONS): Define in those circumstances.
11279         * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
11280         (MIPS_ARCH_OPTION_SPEC): Likewise.
11281         (MIPS_ISA_LEVEL_SPEC): Likewise.
11282         (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
11283         * config/mips/elfoabi.h: New file.
11284
11285 2007-07-02  Richard Guenther  <rguenther@suse.de>
11286
11287         * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
11288         (useless_type_conversion_p): ... this.
11289         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
11290         (useless_type_conversion_p): ... this.
11291         * builtins.c (fold_builtin_memory_op): Rename
11292         tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
11293         * tree-cfg.c (verify_expr): Likewise.
11294         * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
11295         * tree-ssa-ccp.c (ccp_fold): Likewise.
11296         * tree-ssa-copy.c (may_propagate_copy): Likewise.
11297         * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
11298         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
11299         * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
11300         * tree-ssa-pre.c (eliminate): Likewise.
11301         * tree-ssa.c (delete_tree_ssa): Likewise.
11302         (tree_ssa_useless_type_conversion): Likewise.
11303         * tree.c (build2_stat): Likewise.
11304
11305 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
11306
11307         Fix PR tree-optimization/32571
11308         * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
11309         simplifying them.
11310
11311 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
11312
11313         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
11314         and other expected operations explicitly, change default to
11315         gcc_unreachable.
11316
11317 2007-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
11318
11319         * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
11320         PARALLEL.
11321         * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
11322         (tls_load_dot_plus_eight): Move the label number into the unspec.
11323         * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
11324
11325 2007-07-01  Andreas Schwab  <schwab@suse.de>
11326
11327         * dwarf2out.c (initial_return_save): Define only if used.
11328
11329 2007-07-01  Kenneth Zadeck <zadeck@naturalbridge.com>
11330
11331         Unreverting Richard's Revert of:
11332
11333         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11334
11335         * dce.c (deletable_insn_p_1): New function, split out from...
11336         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11337         specially, not those inside PARALLELs.  Remove BODY argument
11338         and adjust recursive call accordingly.
11339         (prescan_insns_for_dce): Update call to delete_insn_p.
11340
11341 2007-07-01  Vladimir Yanovsky  <yanov@il.ibm.com>
11342             Revital Eres  <eres@il.ibm.com>
11343
11344         * ddg.c (create_ddg_all_sccs): Fix missed
11345         initialization of scc_nodes.
11346
11347 2007-07-01  Uros Bizjak  <ubizjak@gmail.com>
11348
11349         PR middle-end/32559
11350         * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
11351         X + ~X to 1 only for INTEGRAL_TYPE_P type.
11352
11353 2007-06-30  Joseph Myers  <joseph@codesourcery.com>
11354
11355         * configure.ac: Check for .gnu_attribute on MIPS.
11356         * configure, config.in: Regenerate.
11357         * config/mips/mips.c (mips_file_start): If supported, output
11358         attribute for floating-point ABI.
11359
11360 2007-06-30  Uros Bizjak  <ubizjak@gmail.com>
11361
11362         PR target/32433
11363         * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
11364         (ffs_cmove): New expander to expand using ctz pattern.
11365         (*ffs_cmove): Remove pattern.
11366         (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
11367         (ffsdi2): Expand using ctz pattern.
11368         (*ffs_rex64): Remove pattern.
11369
11370 2007-06-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11371
11372         PR rtl-optimization/32296
11373         * pa.md (return): Delete pattern.
11374         (return_internal): Remove "(const_int 1)" from pattern.
11375         (epilogue): Use return_internal pattern for trivial returns.
11376         * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
11377         * pa.c (hppa_can_use_return_insn_p): Delete function.  Include "df.h".
11378
11379 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11380
11381         * tree-ssa-pre.c (is_exception_related): New function
11382         (can_value_number_operation): Use it.
11383
11384 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11385
11386         Fix PR tree-optimization/32540
11387         Fix PR tree-optimization/31651
11388
11389         * tree-ssa-sccvn.c: New file.
11390
11391         * tree-ssa-sccvn.h: Ditto.
11392
11393         * tree-vn.c: Include tree-ssa-sccvn.h
11394         (val_expr_paid_d): Removed.
11395         (value_table): Ditto.
11396         (vn_compute): Ditto.
11397         (val_expr_pair_hash): Ditto.
11398         (val_expr_pair_expr_eq): Ditto.
11399         (copy_vuses_from_stmt): Ditto.
11400         (vn_delete): Ditto.
11401         (vn_init): Ditto.
11402         (shared_vuses_from_stmt): Ditto.
11403         (print_creation_to_file): Moved up.
11404         (sort_vuses): Ditto.
11405         (sort_vuses_heap): Ditto.
11406         (set_value_handle): Make non-static.
11407         (make_value_handle): Ditto.
11408         (vn_add): Rewritten to use sccvn lookups.
11409         (vn_add_with_vuses): Ditto.
11410         (vn_lookup): Ditto (and second argument removed).
11411         (vn_lookup_with_vuses): Ditto.
11412         (vn_lookup_or_add): Ditto (and second argument removed);
11413         (vn_lookup_or_add_with_vuses): Ditto.
11414         (vn_lookup_with_stmt): New.
11415         (vn_lookup_or_add_with_stmt): Ditto.
11416         (create_value_handle_for_expr): Ditto.
11417
11418         * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
11419         (seen_during_translate): New function.
11420         (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
11421         (phi_trans_add): Ditto.
11422         (constant_expr_p): FIELD_DECL is always constant.
11423         (phi_translate_1): Renamed from phi_translate, add seen bitmap.
11424         Use constant_expr_p.
11425         Avoid infinite recursion on mutually valued expressions.
11426         Change callers of vn_lookup_or_add.
11427         (phi_translate): New function.
11428         (compute_antic_safe): Allow phi nodes.
11429         (create_component_ref_by_pieces): Update for FIELD_DECL change.
11430         (find_or_generate_expression): Rewrite slightly.
11431         (create_expression_by_pieces): Updated for vn_lookup_or_add
11432         change.
11433         Update VN_INFO for new names.
11434         (insert_into_preds_of_block): Update for new names.
11435         (add_to_exp_gen): New function.
11436         (add_to_sets): Use vn_lookup_or_add_with_stmt.
11437         (find_existing_value_expr): Rewrite to changed vn_lookup.
11438         (create_value_expr_from): Ditto, and use add_to_exp_gen.
11439         (try_look_through_load): Removed.
11440         (try_combine_conversion): Ditto.
11441         (get_sccvn_value): New function.
11442         (make_values_for_phi): Ditto.
11443         (make_values_for_stmt): Ditto.
11444         (compute_avail): Rewritten for vn_lookup_or_add changes and to use
11445         SCCVN.
11446         (init_pre): Update for SCCVN changes.
11447         (fini_pre): Ditto.
11448         (execute_pre): Ditto.
11449
11450         * tree-flow.h (make_value_handle): Declare.
11451         (set_value_handle): Ditto.
11452         (sort_vuses_heap): Ditto.
11453         (vn_lookup_or_add_with_stmt): Ditto.
11454         (vn_lookup_with_stmt): Ditto.
11455         (vn_compute): Remove.
11456         (vn_init): Ditto.
11457         (vn_delete): Ditto.
11458         (vn_lookup): Update arguments.
11459
11460         * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
11461         (tree-vn.o): Ditto.
11462         (tree-ssa-sccvn.o): New.
11463         (OBJS-common): Add tree-ssa-sccvn.o
11464
11465 2007-06-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11466
11467         PR c/4076
11468         * c-typeck.c (build_external_ref): Don't mark as used if called
11469         from itself.
11470         * calls.c (rtx_for_function_call): Likewise.
11471
11472 2007-06-30  Richard Sandiford  <richard@codesourcery.com>
11473
11474         Revert:
11475
11476         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11477
11478         * dce.c (deletable_insn_p_1): New function, split out from...
11479         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11480         specially, not those inside PARALLELs.  Remove BODY argument
11481         and adjust recursive call accordingly.
11482         (prescan_insns_for_dce): Update call to delete_insn_p.
11483
11484 2007-06-30  Rask Ingemann Lambertsen <rask@sygehus.dk>
11485
11486         * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
11487         (try_combine): Move potential calls to undo_all() so they happen
11488         before we commit to using the combined insns.
11489
11490 2006-06-30  Jan Hubicka  <jh@suse.cz>
11491
11492         * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
11493         code.
11494
11495 2006-06-30  Thomas Neumann  <tneumann@users.sourceforge.net>
11496
11497         * ipa.c (cgraph_postorder): Cast according to the coding conventions.
11498         (cgraph_remove_unreachable_nodes): Likewise.
11499         * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
11500         * ipa-inline.c (update_caller_keys): Cast according to the coding
11501         conventions.
11502         (cgraph_decide_recursive_inlining): Likewise.
11503         (cgraph_decide_inlining_of_small_function): Likewise.
11504         (try_inline): Likewise.
11505         (cgraph_decide_inlining_incrementally): Likewise.
11506         * ipa-pure-const.c (get_function_state): Likewise.
11507         (scan_function): Likewise.
11508         (analyze_function): Likewise.
11509         (static_execute): Likewise.
11510         * ipa-reference.c (scan_for_static_refs): Likewise.
11511         (merge_callee_local_info): Likewise.
11512         (analyze_function): Use type safe memory macros.
11513         (static_execute): Likewise. Cast according to the coding conventions.
11514         * ipa-type-escape.c (scan_for_regs): Cast according to the coding
11515         conventions.
11516         * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
11517         names.
11518         (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
11519         * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
11520         variable names.
11521
11522 2007-06-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11523
11524         PR middle-end/30024
11525         * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
11526         for complex modes (both int and real).
11527
11528 2007-06-29  Jan Hubicka  <jh@suse.cz>
11529
11530         * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
11531
11532 2007-06-29  Jan Hubicka  <jh@suse.cz>
11533
11534         PR middle-end/32372
11535         * cse.c (cse_insn): Avoid invalid sharing in between register note and
11536         the insn pattern.
11537
11538 2007-06-29  Anatoly Sokolov <aesok@post.ru>
11539
11540         PR target/32335
11541         * config/avr/avr.c: Include dataflow header file.
11542         (expand_prologue): Adjust for prologue insn change.
11543         * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
11544         inside a insn.
11545
11546 2007-06-29  Richard Guenther  <rguenther@suse.de>
11547
11548         PR middle-end/32493
11549         * gimplify.c (gimplify_call_expr): Ignore variable argument parts
11550         during type verification.
11551
11552 2007-06-29  Jan Hubicka  <jh@suse.cz>
11553
11554         * recog.c (validate_change_rtx_1): Unshare TO argument.
11555
11556 2007-06-29  Uros Bizjak  <ubizjak@gmail.com>
11557
11558         PR tree-optimization/24659
11559         * tree-vect-transform.c (vectorizable_call): Handle
11560         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
11561
11562         * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
11563         * config/i386/i386.c (enum ix86_builtins)
11564         [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
11565         (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
11566         description.
11567         (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
11568         const using def_builtin_const.
11569         (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
11570         input operands in the same modes as the result.
11571         (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
11572
11573 2007-06-29  Richard Sandiford  <rsandifo@nildram.co.uk>
11574
11575         * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
11576         (df_set_dead_notes_for_mw): Likewise.
11577
11578 2007-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11579
11580         * c-common.c (pointer_int_sum): Do the negation in sizetype.
11581
11582 2007-06-28  DJ Delorie  <dj@redhat.com>
11583
11584         * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
11585
11586 2007-06-28  Geoffrey Keating  <geoffk@apple.com>
11587
11588         * doc/invoke.texi (C++ Dialect Options): Document
11589         fvisibility-ms-compat.
11590         * c.opt (fvisibility-ms-compat): New.
11591
11592 2007-06-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11593
11594         PR tree-opt/32417
11595         * tree-affine.c (aff_combination_add_elt): Handle
11596         pointer addition specially.
11597
11598 2007-06-28  Jakub Jelinek  <jakub@redhat.com>
11599
11600         * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
11601         decl is non-external for AIX ABI.
11602
11603 2007-06-28  David Edelsohn  <edelsohn@gnu.org>
11604
11605         * config/rs6000/predicates.md (current_file_function_operand):
11606         Ensure the symbol is non-external for AIX ABI.
11607
11608 2007-06-28  Nick Clifton  <nickc@redhat.com>
11609
11610         * common.opt (fipa-matrix-reorg): Add Optimization attribute.
11611         (fdce, fdse, fpredictive-commoning): Likewise.
11612
11613 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
11614
11615         PR other/31400
11616         * gcc.c (process_command): Recognize the new -static-libgfortran
11617         option.
11618
11619 2007-06-27  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11620
11621         PR target/32418
11622         * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
11623         Use a call clobbered hard reg instead of a pseudo reg.
11624
11625 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11626
11627         * config/sh/sh.md (load_gbr): Use correct operand constraint.
11628
11629 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11630
11631         PR target/32479
11632         * config/sh/sh.md (udivsi3): Don't wrap the sequence with
11633         REG_LIBCALL and REG_RETVAL notes.
11634         (divsi3, mulsi3): Likewise.
11635         (mulhisi3): Likewise.  Use emit_libcall_block.
11636         (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
11637
11638 2007-06-27  Seongbae Park  <seongbae.park@gmail.com>
11639
11640         PR rtl-optimization/32481
11641         * combine.c (adjust_for_new_dest): Rescan the changed insn.
11642
11643 2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11644
11645         * dce.c (deletable_insn_p_1): New function, split out from...
11646         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11647         specially, not those inside PARALLELs.  Remove BODY argument
11648         and adjust recursive call accordingly.
11649         (prescan_insns_for_dce): Update call to delete_insn_p.
11650
11651 2007-06-27  Richard Guenther  <rguenther@suse.de>
11652
11653         PR middle-end/32492
11654         * tree.h (fold_convertible_p): Declare.
11655         * fold-const.c (fold_convertible_p): New function.
11656         * gimplify.c (gimplify_call_expr): Use fold_convertible_p
11657         instead of lang_hooks.types_compatible_p.
11658
11659 2007-06-26  Jan Hubicka  <jh@suse.cz>
11660
11661         * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
11662         * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
11663         early use validate_unshare_change.
11664         (reload_combine): Likewise.
11665         * recog.c (change_t): New field unshare.
11666         (validate_change_1): Rename from validate_change; add argument unshare.
11667         (validate_change): Turn into wrapper of validate_change_1; update
11668         prototype for bools.
11669         (validate_unshare_change): New.
11670         (confirm_change_group): Unshare changes if asked for; avoid unnecesary
11671         calls of df_insn_rescan.
11672         * recog.h (validate_change): Replace ints by bools.
11673         (validate_unshare_change): Declare.
11674
11675 2007-06-26  Kenneth Zadeck <zadeck@naturalbridge.com>
11676
11677         * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
11678
11679 2007-06-26  Steve Ellcey  <sje@cup.hp.com>
11680
11681         * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
11682
11683 2007-06-25  Jan Hubicka  <jh@suse.cz>
11684
11685         * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
11686         uninlinable call.
11687         (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
11688         cgraph_decide_inlining_incrementally): Move uninlinability checks to
11689         places other call site specific checks are performed.
11690
11691 2007-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11692
11693         PR tree-opt/32421
11694         * tree-vect-transform.c (vectorizable_operation): Convert
11695         POINTER_PLUS_EXPR over to PLUS_EXPR.
11696
11697 2007-06-25  Chao-ying Fu  <fu@mips.com>
11698
11699         * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
11700         UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
11701         Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
11702         Document GET_MODE_IBIT, and GET_MODE_FBIT.
11703
11704         * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
11705         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11706         (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
11707         SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
11708         SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
11709         ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
11710         ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
11711         SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
11712         ALL_FIXED_POINT_MODE_P): New define.
11713         (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11714         MODE_UACCUM.
11715         (GET_MODE_IBIT, GET_MODE_FBIT): New define.
11716
11717         * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
11718         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11719         MODE_VECTOR_UACCUM): New mode classes.
11720
11721         * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
11722         UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
11723         Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
11724         USA, UDA, and UTA.
11725
11726         * genmodes.c (struct mode_data): Add ibit and fbit fields.
11727         (blank_mode): Initialize ibit and fbit.
11728         (adj_ibit, adj_fbit): New to adjust ibit and fbit.
11729         (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11730         MODE_UACCUM.
11731         (new_adjust): Change required_class to required_class_from and
11732         required_class_to for testing within a range.
11733         (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11734         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11735         MODE_VECTOR_UACCUM.
11736         (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
11737         (make_fixed_point_mode): New.
11738         (_ADD_ADJUST): Change C to C1 and C2.
11739         (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
11740         use a range for machine classes.
11741         (ADJUST_IBIT, ADJUST_FBIT): New.
11742         (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
11743         CONST_MODE_FBIT.
11744         (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
11745         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11746         Emit adjustment for ibit and fbit.
11747         (emit_mode_ibit, emit_mode_fbit): New.
11748         (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
11749
11750 2007-06-25  Nathan Froyd  <froydnj@codesourcery.com>
11751
11752         * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
11753         as the source of the set.
11754
11755 2007-06-25  Roman Zippel <zippel@linux-m68k.org>
11756
11757         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
11758         FP_REGNO_P): Use IN_RANGE.
11759         (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
11760         (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
11761         (DATA_REG_P): Use DATA_REGNO_P.
11762         (FP_REG_P): Use FP_REGNO_P.
11763         (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
11764         * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
11765         REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
11766
11767 2007-06-24  Jan Hubicka  <jh@suse.cz>
11768
11769         PR middle-end/30563
11770         * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
11771
11772 2007-06-24  Sebastian Pop  <sebpop@gmail.com>
11773
11774         PR middle-end/32461
11775         * fold-const.c (fold_binary): Strip nops of operand 0
11776         of BIT_NOT_EXPR before calling operand_equal_p.
11777         * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
11778         * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
11779
11780 2007-06-23  Mark Mitchell  <mark@codesourcery.com>
11781
11782         * doc/extend.texi: Document that dllimport and dllexport imply
11783         default visibility.
11784         * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
11785         imported or exported declaration, including type declarations.
11786         * c-common.c (handle_visibility_attribute): Check for conflicts
11787         with dllimport/dllexport.
11788         (c_determine_visibility): Handle dllimport/dllexport as an
11789         explicit visibility atttribute.
11790
11791 2007-06-23  Richard Guenther  <rguenther@suse.de>
11792
11793         PR tree-optimization/16876
11794         PR middle-end/29478
11795         * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
11796         for CALL_EXPRs.
11797         * tree-inline.c (initialize_inlined_parameters): Do not call
11798         lang_hooks.tree_inlining.convert_parm_for_inlining.
11799         * cgraphbuild.c (initialize_inline_failed): Set inline failed
11800         reason for mismatched types.
11801         * gimplify.c (gimplify_call_expr): Verify the call expression
11802         arguments match the called function type signature.  Otherwise
11803         mark the call expression to be not considered for inlining
11804         using CALL_CANNOT_INLINE_P flag.
11805         * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
11806         edges call expression.
11807         (cgraph_decide_inlining_of_small_function): Likewise.
11808         (cgraph_decide_inlining): Likewise.
11809         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
11810         Remove define.
11811         * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
11812         * c-typeck.c (c_convert_parm_for_inlining): Remove.
11813         * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
11814         Remove declaration.
11815         (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
11816         * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
11817         Remove.
11818         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11819         convert_parm_for_inlining member.
11820
11821 2007-06-23  Richard Earnshaw  <rearnsha@arm.com>
11822
11823         PR target/31152
11824         * arm.md (negscc): Match the correct operand for optimized LT0 test.
11825         Remove optimization for GT.
11826
11827 2007-06-23  Kenneth Zadeck <zadeck@naturalbridge.com>
11828
11829         PR middle-end/32437
11830         * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
11831         is a PARALLEL.
11832         (prescan_insns_for_dce): Add extra parameter.
11833
11834 2007-06-23  Jan Hubicka  <jh@suse.cz>
11835
11836         PR middle-end/31541
11837         * gimplify.c (mark_addressable): New function.
11838         (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
11839
11840 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11841
11842         PR middle-end/32374
11843         * expr.c (store_constructor): Do not clobber non-zeroed memory.
11844
11845 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11846
11847         PR target/32413
11848         * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
11849         moves between MMX/SSE registers to at least 8 units to prevent
11850         ICE caused by non-tieable SI/HI/QImodes in SSE registers.
11851
11852 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11853
11854         * config/i386/i386.c (override_options): Correct x86_sahf
11855         setting condition.
11856
11857 2007-06-21  David Daney  <ddaney@avtrex.com>
11858
11859         PR target/32406
11860         * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
11861         to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
11862         (exception_receiver): Renamed to ...
11863         (nonlocal_goto_receiver): ... this.
11864
11865 2007-06-22  Roman Zippel <zippel@linux-m68k.org>
11866
11867         * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
11868         (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
11869         partial register accesses.
11870
11871 2007-06-21  Adam Nemet  <anemet@caviumnetworks.com>
11872
11873         * fold-const.c (debug_fold_checksum): Move it under
11874         ENABLE_FOLD_CHECKING.
11875
11876 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11877
11878         PR middle-end/20623
11879         * tree.h (debug_fold_checksum): Declared.
11880         * fold-const.c (build_fold_addr_expr_with_type_1): New.
11881         (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
11882         build_fold_addr_expr_with_type_1.
11883         (fold_addr_expr, debug_fold_checksum): New.
11884         (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
11885         (fold_unary, fold_comparison, split_address_to_core_and_offset):
11886         Use fold_addr_expr.
11887
11888 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11889
11890         PR tree-optimization/19590
11891         * tree-vrp.c (adjust_range_with_scev): Set the range when the result
11892         of scev is a constant.
11893
11894 2007-06-21  Kenneth Zadeck <zadeck@naturalbridge.com>
11895
11896         * df-problems.c (df_note_bb_compute): Made computation of live
11897         info consistent with df_lr.
11898
11899 2007-06-21  Richard Guenther  <rguenther@suse.de>
11900
11901         PR tree-optimization/32453
11902         * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
11903         for pointer anti-range.
11904
11905 2007-06-21  H.J. Lu  <hongjiu.lu@intel.com>
11906
11907         * config/i386/i386.c (processor_target_table): Increase maximum
11908         skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
11909         default 64bit.
11910
11911         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
11912         byte alignment if > 8 byte alignment is preferred.
11913         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11914
11915 2007-06-21  Jakub Jelinek  <jakub@redhat.com>
11916
11917         PR tree-optimization/31866
11918         * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
11919         if ASM_EXPR's input is not a SSA_NAME.
11920
11921         PR middle-end/32362
11922         * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
11923         but decl is a global var, instead return decl.
11924         * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
11925         even for is_global_var decls, if they are private in some outer
11926         context.
11927
11928 2007-06-21  Richard Guenther  <rguenther@suse.de>
11929
11930         PR tree-optimization/32451
11931         * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
11932
11933 2007-06-21  Christian Bruel  <christian.bruel@st.com>
11934
11935         * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
11936         * config/sh/sh.c (sh_loads_bankedreg_p): New function.
11937         (push_regs): Changed saving order or banked registers.
11938         (sh_expand_epilogue): Likewise.
11939         * config/sh/sh.h (BANKED_REGISTER_P): New macro.
11940         (FIRST_BANKED_REG): Likewise.
11941         (LAST_BANKED_REG): Likewise.
11942         * config/sh/sh.md (banked) New attribute.
11943         (in_delay_slot): Check banked attribute.
11944
11945 2007-06-20  Sebastian Pop  <sebpop@gmail.com>
11946
11947         PR tree-optimization/32075
11948         * tree-data-ref.c (subscript_dependence_tester_1,
11949         analyze_miv_subscript, analyze_overlapping_iterations,
11950         add_distance_for_zero_overlaps, build_classic_dist_vector,
11951         subscript_dependence_tester_1, analyze_overlapping_iterations,
11952         subscript_dependence_tester, access_functions_are_affine_or_constant_p,
11953         compute_affine_dependence, compute_all_dependences): Pass loop_nest
11954         to evolution_function_is_affine_multivariate_p.
11955
11956 2007-06-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11957
11958         * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
11959
11960 2007-06-20  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11961
11962         PR target/32335
11963         * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
11964         for TARGET_A16.
11965         * config/m32c/prologue.md (epilogue_exitd_16): New.
11966         (epilogue_reit_16): New.
11967         (epilogue_exitd): Rename to epilogue_exitd_24.
11968         (epilogue_reit): Rename to epilogue_reit_24.
11969
11970 2007-06-20  Seongbae Park  <seongbae.park@gmail.com>
11971             Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11972
11973         * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
11974         New counters.
11975         * haifa-sched.c (queue_to_ready): Don't requeue next insn
11976         if dbg_cnt (sched_insn) reaches the limit.
11977         (choose_ready): New parameter INSN_PTR and new return value.
11978         (schedule_block): Handle dbg_cnt (sched_insn). Handle
11979         the new return value from choose_ready.
11980         * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
11981         (rest_of_handle_global_alloc): New global_alloc_at_func.
11982
11983 2007-06-20  Adam Nemet  <anemet@caviumnetworks.com>
11984
11985         PR tree-optimization/25737
11986         * tree.h (struct tree_struct_field_tag): Add new field alias_set.
11987         (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
11988         * tree-flow.h (struct fieldoff): Add new field alias_set.
11989         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
11990         argument addressable_type.  Set alias_set of fieldoff.
11991         * tree-ssa-alias.c (create_sft): Add new argument alias_set.
11992         (create_overlap_variables_for): Pass alias_set from fieldoff to
11993         create_sft.
11994         * alias.c (get_alias_set): Use alias_set from SFT if set.
11995
11996 2007-06-20  Hui-May Chang  <hm.chang@apple.com>
11997
11998         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
11999         of a variable as an unsigned HOST_WIDE_INT integer.
12000
12001 2007-06-20  Zdenek Dvorak  <dvorakz@suse.cz>
12002
12003         PR rtl-optimization/32405
12004         * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
12005
12006 2007-06-20  Jakub Jelinek  <jakub@redhat.com>
12007
12008         * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
12009
12010         PR middle-end/31959
12011         * builtins.c: Include diagnostic.h.
12012         (expand_builtin_expect): Make gcc_assert more permissive.
12013         * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
12014
12015         PR inline-asm/32109
12016         * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
12017         and !allows_mem.
12018
12019         PR middle-end/32285
12020         * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
12021         if ACCUMULATE_OUTGOING_ARGS.
12022
12023 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12024
12025         * config/m68hc11/m68hc11.c: Include dataflow header file.
12026         (m68hc11_reorg): Port to dataflow.
12027
12028 2007-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
12029
12030         * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
12031         (struct df_problem.free_blocks_on_set_blocks): New field.
12032         (struct dataflow.optional_p): New field.
12033         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
12034         (df_live_set_all_dirty): New function.
12035         * df-scan.c (df_scan_alloc): Initialize optional_p.
12036         (problem_SCAN): Initialize free_blocks_on_set_blocks.
12037         * df-core.c (df_set_blocks): Removed use of
12038         DF_FIRST_OPTIONAL_PROBLEM.  Now uses
12039         df_problem.free_blocks_on_set_blocks to determine which blocks are
12040         recycled.
12041         (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
12042         (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM.  Now
12043         uses dataflow.optional_p to determine if problem should be
12044         deleted.
12045         (rest_of_handle_df_initialize): Only start live problem if
12046         -02 or above.
12047         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
12048         * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
12049         df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
12050         (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
12051         problem_NOTE): Initialize free_blocks_on_set_blocks.
12052         (df_lr_bb_local_compute): Recompute luids if df_live problem is
12053         not active.
12054         (df_live_set_all_dirty, df_note_alloc): New function.
12055         * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
12056         df_get_live_*.
12057         * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
12058         * postreload.c (reload_combine): Ditto.
12059         * cse.c (cse_extended_basic_block): Ditto.
12060         * regmove.c (mark_flags_life_zones): Ditto.
12061         * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
12062         erase_matching_seqs): Ditto.
12063         * bt-load.c (compute_defs_uses_and_gen): Ditto.
12064         * integrate (allocate_initial_values): Ditto.
12065         * combine.c (reg_dead_at_p): Ditto.
12066         * resource.c (mark_target_live_regs): Ditto.
12067         * sched-rgn.c (check_live_1, update_live_1): Ditto.
12068         * config/sh/sh.c (find_r0_life_regions): Ditto.
12069         * global.c (rest_of_handle_global_alloc): Only add back df_live
12070         for -O > 1.
12071         * local-alloc.c (rest_of_handle_local_alloc): Only remove
12072         df_live for -O > 1.
12073         * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
12074         df_get_live_*.
12075         (if_convert): Make sure df_live is there at -O == 1.
12076         (pass_if_after_combine): Cleanup flags.
12077         * init-regs.c (initialize_uninitialized_regs): Make sure df_live
12078         is there at -O == 1.
12079
12080 2007-06-19  Seongbae Park  <seongbae.park@gmail.com>
12081
12082         * config/arm/arm.c (arm_get_frame_offsets): Set
12083         offsets->locals_base to avoid negative stack size.
12084         (thumb1_expand_prologue): Assert on negative stack size.
12085
12086 2007-06-19  Sebastian Pop  <sebpop@gmail.com>
12087
12088         PR tree-optimization/32367
12089         * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
12090         of the chrec has no evolution in that loop.
12091         * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
12092
12093 2007-06-19  Bob Wilson  <bob.wilson@acm.org>
12094
12095         * config/xtensa/xtensa.c: Include "df.h".
12096         (xtensa_builtin_saveregs): Use adjust_address instead of
12097         change_address.
12098         (xtensa_va_start): Invoke make_tree with sizetype for
12099         expand_builtin_saveregs and then convert the result to a pointer.
12100         Use POINTER_PLUS_EXPR.  Use size_int instead of build_int_cst.
12101         (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
12102         Subtract argument size from index value as integers and then use
12103         POINTER_PLUS_EXPR to add the result to the array address.
12104
12105 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12106
12107         PR target/32335
12108         * config/m32c/m32c.c: Include dataflow header file.
12109         (m32c_emit_prologue): Adjust for prologue insn change.
12110         * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
12111         once inside a PARALLEL. Assume frame size passed in operand 0
12112         includes space to save the fb register.
12113         (prologue_enter_24): Likewise.
12114         (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
12115
12116 2007-06-19  David Daney  <ddaney@avtrex.com
12117
12118         PR target/32313
12119         * config/mips/mips.md (cprestore): Mark $gp as used.
12120
12121 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12122
12123         PR target/32369
12124         * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
12125         (frv_ifcvt_modify_insn): Likewise.
12126
12127 2007-06-19  Richard Guenther  <rguenther@suse.de>
12128
12129         * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
12130         only handle positive offsets that fit in a HOST_WIDE_INT.
12131
12132 2007-06-19  Uros Bizjak  <ubizjak@gmail.com>
12133
12134         * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
12135         result of rsqrt insn for zero input argument to avoid NaN.
12136
12137 2007-06-19  Richard Guenther  <rguenther@suse.de>
12138
12139         PR middle-end/31950
12140         * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
12141
12142 2007-06-19  Jakub Jelinek  <jakub@redhat.com>
12143
12144         PR tree-optimization/32353
12145         * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
12146
12147 2007-06-19  Nick Clifton  <nickc@redhat.com>
12148
12149         * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
12150
12151 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
12152
12153         PR target/32389
12154         * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
12155         * config/i386/i386.c (assign_386_stack_local): Assert that
12156         SLOT_VIRTUAL is valid only before virtual regs are instantiated.
12157         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
12158         Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
12159         * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
12160
12161 2007-06-18  Steve Ellcey  <sje@cup.hp.com>
12162
12163         * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
12164
12165 2007-06-18  Seongbae Park  <seongbae.park@gmail.com>
12166
12167         PR rtl-optimization/32321
12168         * gcse.c (replace_store_insn): Update the note before
12169         calling emit_insn_after.
12170
12171 2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>
12172
12173         PR middle-end/32355
12174         * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
12175         cse_main.
12176         * df-problems.c (df_note_bb_compute): Fix dumping info.
12177
12178 2007-06-18  Kazu Hirata  <kazu@codesourcery.com>
12179
12180         * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
12181         insn with emit_jump_insn.
12182
12183 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
12184
12185         PR tree-optimization/32383
12186         * targhooks.c (default_builtin_reciprocal): Add new bool argument.
12187         * targhooks.h (default_builtin_reciprocal): Update prototype.
12188         * target.h (struct gcc_target): Update builtin_reciprocal.
12189         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
12190         * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
12191         where arg1 is not SSA_NAME.  Pass true to targetm.builtin_reciprocal
12192         when fndecl is in BUILT_IN_MD class.
12193         (execute_convert_to_rsqrt): Ditto.
12194
12195         * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
12196         argument.  Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
12197         Convert BUILT_IN_SQRTF code only  when md_fn is false.
12198
12199 2007-06-18  Kaz Kojima  <kkojima@gcc.gnu.org>
12200
12201         * bt-load.c (move_btr_def): Fix the order of arguments
12202         to validate_replace_rtx.
12203
12204 2007-06-18  Nathan Sidwell  <nathan@codesourcery.com>
12205
12206         * config/m68k/m68k-devices.def: Add 54450..54455.
12207
12208 2007-06-17  Uros Bizjak  <ubizjak@gmail.com>
12209
12210         PR rtl-optimization/32366
12211         * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
12212         FLOAT_EXTEND]: Prevent non-scalar modes from entering
12213         significand_size.
12214
12215 2007-06-17  Kenneth Zadeck <zadeck@naturalbridge.com>
12216
12217         PR middle-end/32349
12218         * modulo-sched (generate_reg_moves): Added rescan parameter and if
12219         this is true, rescan insn being modified.
12220         (sms_schedule): Added rescan parameter.
12221         (rest_of_handle_sms): Moved freeing of dominance info to before
12222         getting out of cfg_layout.
12223
12224 2007-06-17  Nathan Sidwell  <nathan@codesourcery.com>
12225
12226         * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
12227         * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
12228         appropriate.
12229
12230         * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
12231         FL_CF_EMAC from the entry for isac.
12232
12233         * config/m68k/predicates.md (const_call_operand): Adjust comment.
12234         (const_sibcall_operand): New.
12235         (sibcall_operand): Use it.
12236         * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
12237         (m68k_isas): ISAC does not imply FPU or EMAC.
12238         (override_options): Add ISA_C logic for symbolic jump & call.
12239
12240 2007-06-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
12241
12242         * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
12243         return mode from the builtin itself.
12244         (sparc_fold_builtin): Fix cast of zero constant.
12245
12246 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
12247
12248         * targhooks.c (default_builtin_reciprocal): New default target hook.
12249         * targhooks.h (default_builtin_reciprocal): Add prototype.
12250         * hooks.c (hook_tree_tree_bool_null): Remove hook.
12251         * hooks.h (hook_tree_tree_bool_null): Remove prototype.
12252         * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
12253         default_builtin_reciprocal.
12254
12255 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
12256
12257         PR middle-end/31723
12258         * hooks.c (hook_tree_tree_bool_null): New hook.
12259         * hooks.h (hook_tree_tree_bool_null): Add prototype.
12260         * tree-pass.h (pass_convert_to_rsqrt): Declare.
12261         * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
12262         * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
12263         and convert it to reciprocal a*rfunc(b).
12264         (execute_convert_to_rsqrt): New function.
12265         (gate_convert_to_rsqrt): New function.
12266         (pass_convert_to_rsqrt): New pass definition.
12267         * target.h (struct gcc_target): Add builtin_reciprocal.
12268         * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
12269         (TARGET_INITIALIZER): Initialize builtin_reciprocal with
12270         TARGET_BUILTIN_RECIPROCAL.
12271         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
12272
12273         * config/i386/i386.h (TARGET_RECIP): New define.
12274         * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
12275         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12276         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12277         and not optimizing for size.
12278         (*rcpsf2_sse): New insn pattern.
12279         (*rsqrtsf2_sse): Ditto.
12280         (rsqrtsf2): New expander.  Expand by calling ix86_emit_swsqrtsf
12281         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12282         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12283         and not optimizing for size.
12284         (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
12285         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12286         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12287         and not optimizing for size.
12288         * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
12289         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12290         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12291         and not optimizing for size.
12292         (*sse_rsqrtv4sf2): Do not export.
12293         (sqrtv4sf2): Ditto.
12294         (sse_rsqrtv4sf2): New expander.  Expand by calling ix86_emit_swsqrtsf
12295         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12296         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12297         and not optimizing for size.
12298         (sqrtv4sf2): Ditto.
12299         * config/i386/i386.opt (mrecip): New option.
12300         * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
12301         (ix86_emit_swsqrtsf): Ditto.
12302         * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
12303         (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
12304         builtin definition.
12305         (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
12306         ix86_expand_unop1_builtin.
12307         (ix86_emit_swdivsf): New function.
12308         (ix86_emit_swsqrtsf): Ditto.
12309         (ix86_builtin_reciprocal): New function.
12310         (TARGET_BUILTIN_RECIPROCAL): Use it.
12311         (ix86_vectorize_builtin_conversion): Rename from
12312         ix86_builtin_conversion.
12313         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
12314         * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
12315         "i386 and x86_64 Options" section.
12316         (Intel 386 and AMD x86_64 Options): Document -mrecip.
12317
12318 2007-06-15  Andrew Pinski <andrew_pinski@playstation.sony.com>
12319             Zdenek Dvorak <dvorakz@suse.cz>
12320             Richard Guenther  <rguenther@suse.de>
12321             Kaz Kojima  <kkojima@gcc.gnu.org>
12322
12323         * tree-vrp.c (compare_values_warnv): Convert val2 to
12324         the type of val1.
12325         (extract_range_from_assert): Create
12326         POINTER_PLUS_EXPR for pointer types.
12327         (extract_range_from_binary_expr): Handle
12328         only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
12329         for pointer types.
12330         * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
12331         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
12332         POINTER_PLUS_EXPR as PLUS_EXPR.
12333         (number_of_iterations_lt_to_ne):
12334         For pointer types, use sizetype when
12335         creating MINUS_EXPR/PLUS_EXPRs.
12336         (assert_loop_rolls_lt): For pointer types, use sizetype when
12337         creating MINUS_EXPR/PLUS_EXPRs.
12338         (number_of_iterations_le): Likewise.
12339         (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
12340         (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
12341         like PLUS_EXPR and MINUS_EXPR.
12342         * tree-pretty-print.c (dump_generic_node): Handle
12343         POINTER_PLUS_EXPR.
12344         (op_prio): Likewise.
12345         (op_symbol_1): Likewise.
12346         * optabs.c (optab_for_tree_code): Likewise.
12347         * tree-ssa-loop-manip.c (create_iv): Handle pointer base
12348         specially.
12349         * tree-tailcall.c (process_assignment): Mention
12350         POINTER_PLUS_EXPR in a TODO comment.
12351         * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
12352         MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
12353         not used with a pointer and an integer type.
12354         * tree-scalar-evolution.c (add_to_evolution_1): Convert the
12355         increment using chrec_convert_rhs instead of chrec_convert.
12356         (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
12357         PLUS_EXPR except for the right hand side's type will be
12358         sizetype.
12359         (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
12360         (fold_used_pointer_cast): Kill.
12361         (pointer_offset_p): Kill.
12362         (fold_used_pointer): Kill.
12363         (pointer_used_p): Kill.
12364         (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
12365         call fold_used_pointer.
12366         (instantiate_parameters_1): Convert the increment
12367         using chrec_convert_rhs instead of chrec_convert.
12368         Handle POINTER_PLUS_EXPR as PLUS_EXPR.
12369         * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
12370         instead of PLUS_EXPR.
12371         (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
12372         PLUS_EXPR for pointers.
12373         (std_gimplify_va_arg_expr): Likewise.
12374         (fold_builtin_memory_op): Likewise.
12375         (fold_builtin_strstr): Likewise.
12376         (fold_builtin_strchr): Likewise.
12377         (fold_builtin_strrchr): Likewise.
12378         (fold_builtin_strpbrk): Likewise.
12379         (expand_builtin_memory_chk): Likewise.
12380         (fold_builtin_memory_chk): Likewise.
12381         (std_expand_builtin_va_start): Use
12382         sizetype for the call to make_tree and then convert
12383         to the pointer type.
12384         (fold_builtin_memchr): Use POINTER_PLUS_EXPR
12385         instead of PLUS_EXPR for adding to a pointer.
12386         (std_gimplify_va_arg_expr): Use fold_build2 for
12387         the creating of POINTER_PLUS_EXPR.  For the BIT_AND_EXPR, cast
12388         the operands to sizetype first and then cast the BIT_AND_EXPR
12389         back to the pointer type.
12390         * fold-const.c (build_range_check): Handle pointer types
12391         specially.
12392         (extract_array_ref): Look for POINTER_PLUS_EXPR instead
12393         of PLUS_EXPR's. Make sure the offset is converted to
12394         sizetype.
12395         (try_move_mult_to_index): Strip the NOPs from the offset.
12396         Remove code argument and replace all uses with PLUS_EXPR.
12397         (fold_to_nonsharp_ineq_using_bound): Handle pointer types
12398         specially. Don't use a pointer type for MINUS_EXPR.
12399         (fold_unary): Handle for (T1)(X op Y),
12400         only p+ as that is the only as that can be handled for
12401         binary operators now.
12402         (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
12403         POINTER_PLUS_EXPR.
12404         <case PLUS_EXPR>: Add folding of PTR+INT into
12405         PTR p+ INT.
12406         Don't call try_move_mult_to_index.
12407         <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
12408         into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
12409         (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
12410         Don't call try_move_mult_to_index.
12411         (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
12412         (tree_expr_nonzero_p): Likewise.
12413         (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
12414         of PLUS_EXPR for the complex expression folding.
12415         * tree-chrec.c (chrec_fold_plus_poly_poly): If the
12416         first chrec is a pointer type, then the second should
12417         be sizetype and not the first's type.
12418         For POINTER_PLUS_EXPR, use a different right hand side type.
12419         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12420         (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
12421         different right hand side type.
12422         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12423         (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
12424         instead of PLUS_EXPR.
12425         When either operand is zero, convert the other operand.
12426         (chrec_apply): Use chrec_convert_rhs
12427         on the argument x instead of chrec_convert.
12428         (reset_evolution_in_loop): For pointer types, the new_evol
12429         should be sizetype.
12430         (convert_affine_scev): For POINTER_PLUS_EXPR, use a
12431         different right hand side type.
12432         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12433         (chrec_convert_rhs): New function.
12434         (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
12435         different right hand side type.
12436         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12437         * tree-chrec.h (chrec_convert_rhs): New prototype.
12438         (build_polynomial_chrec): For pointer types, the right hand
12439         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
12440         POINTER_PLUS_EXPR instead of PLUS_EXPR's.
12441         Remove subtraction case as it is always addition now.
12442         Make sure the offset is converted to sizetype.
12443         (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
12444         Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
12445         * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
12446         PLUS_EXPR in pointer type.
12447         Handle POINTER_PLUS_EXPR.
12448         (tree_to_aff_combination): Likewise.
12449         (force_expr_to_var_cost): Likewise.
12450         (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
12451         instead of PLUS_EXPR for pointers.
12452         * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
12453         instead of PLUS_EXPR of pointer types.
12454         * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
12455         as PLUS_EXPR.
12456         (check_va_list_escapes): Likewise.
12457         (check_all_va_list_escapes): Likewise.
12458         * dwarf2out.c (loc_descriptor_from_tree_1):
12459         Handle POINT_PLUS_EXPR as a PLUS_EXPR.
12460         * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
12461         (string_constant): Likewise.
12462         * tree-ssa-address.c (tree_mem_ref_addr): When adding
12463         the offset to the base, use POINTER_PLUS_EXPR.
12464         (add_to_parts): Convert the index to sizetype.
12465         (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
12466         * matrix-reorg.c (collect_data_for_malloc_call): Stmt
12467         will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
12468         Offset only holds something for PLUS_EXPR.
12469         (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
12470         a PLUS_EXPR.
12471         (analyze_transpose): POINTER_PLUS_EXPR will only show up now
12472         and not PLUS_EXPR.
12473         (analyze_accesses_for_modify_stmt): Likewise.
12474         Remove comment about the type being integral type as it is
12475         wrong now.
12476         (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
12477         PLUS_EXPR.
12478         (transform_access_sites): POINTER_PLUS_EXPR will only show up now
12479         and not PLUS_EXPR.
12480         Correct the type which the artimentic is done in (is now
12481         sizetype).
12482         Reindent one loop.
12483         * tree-data-ref.c (split_constant_offset): Handle
12484         POINTER_PLUS_EXPR
12485         * tree-affine.c (tree_to_aff_combination): Likewise.
12486         * c-typeck.c (build_unary_op): For pointers create the increment
12487         as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
12488         for pointers.
12489         * gimplify.c (gimplify_self_mod_expr): Create a
12490         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12491         (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
12492         * tree.def (POINTER_PLUS_EXPR): New tree code.
12493         * tree-predcom.c (ref_at_iteration): If we have a pointer
12494         type do the multiplication in sizetype.
12495         * tree-mudflap.c (mf_xform_derefs_1): Create a
12496         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12497         * tree-ssa-forwprop.c
12498         (forward_propagate_addr_into_variable_array_index):
12499         Don't expect there to be a cast for the index as that
12500         does not exist anymore.
12501         (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
12502         instead of PLUS_EXPR.
12503         Don't check for the first operand of the POINTER_PLUS_EXPR
12504         was the index as it cannot be.
12505         Call forward_propagate_addr_into_variable_array_index with
12506         the SSA_NAME instead of the statement.
12507         * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
12508         (compare_constant): Likewise.
12509         (copy_constant): Likewise.
12510         (compute_reloc_for_constant): Likewise.
12511         (output_addressed_constants): Likewise.
12512         (initializer_constant_valid_p): Likewise.
12513         * tree-ssa.c (tree_ssa_useless_type_conversion_1):
12514         Convert the MIN/MAX of the inner type to the outer
12515         type before comparing them.
12516         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
12517         POINTER_PLUS_EXPR instead of PLUS_EXPR.
12518         (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
12519         of PLUS_EXPR for pointers.
12520         * tree-inline.c (estimate_num_insns_1): Handle
12521         POINTER_PLUS_EXPR.
12522         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
12523         Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12524         (bump_vector_ptr): Create a POINTER_PLUS_EXPR
12525         instead of PLUS_EXPR for the pointer increment statement.
12526         (vect_update_ivs_after_vectorizer): For pointer types, create
12527         POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
12528         MULT_EXPR in sizetype.
12529         (vect_gen_niters_for_prolog_loop): Add a cast when creating
12530         byte_misalign.
12531         * tree-object-size.c (plus_expr_object_size): Handle
12532         POINTER_PLUS_EXPR instead of PLUS_EXPR.  Removing all the extra
12533         code which is trying to figure out which side is a pointer and
12534         is the index.
12535         (check_for_plus_in_loops_1): Likewise.
12536         (check_for_plus_in_loops): Likewise.
12537         * c-common.c (pointer_int_sum): Create a
12538         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12539         * tree-ssa-structalias.c (handle_ptr_arith): Handle
12540         only POINTER_PLUS_EXPR.  Removing all the extra
12541         code which is trying to figure out which side is a pointer and
12542         is the index.
12543         * tree-cfg.c (verify_expr): Add extra checking for pointers and
12544         PLUS_EXPR and MINUS_EXPR.
12545         Also add checking to make sure the operands of POINTER_PLUS_EXPR
12546         are correct.
12547         * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
12548         with make_tree, instead of a pointer type.
12549         * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
12550         for pointers instead of PLUS_EXPR.
12551         (s390_gimplify_va_arg): Likewise.
12552         * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
12553         instead of PLUS_EXPR when doing addition on pointer
12554         types.  Use sizetype for the second operand.
12555         (spu_gimplify_va_arg_expr): Likewise.
12556         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
12557         POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
12558         a pointer.  Don't create a BIT_AND_EXPR for pointer types.
12559         * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
12560         for the pointer addition and also use size_int/sizetype
12561         for the offset.
12562         (ix86_gimplify_va_arg): Likewise.
12563         Perform BIT_AND_EXPR on sizetype arguments.
12564         * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
12565         and convert its result to a pointer type.  Use POINTER_PLUS_EXPR
12566         for the pointer additions and also use size_int for the offsets.
12567         (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
12568         additions and also use size_int for the offsets.  Perform
12569         BIT_AND_EXPR on sizetype arguments.
12570         * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
12571         POINTER_PLUS_EXPR for pointers and create the
12572         BIT_AND_EXPR in sizetype.
12573         * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
12574         instead of PLUS_EXPR for pointer addition.
12575         (rs6000_va_start): Likewise.
12576         Also use sizetype for the offset.
12577         * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
12578         as PLUS_EXPR/MINUS_EXPR.
12579         (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
12580         PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
12581         Don't use BIT_AND_EXPR on a pointer type, convert the
12582         expression to sizetype first.
12583         * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
12584         for pointers.
12585         (mips_gimplify_va_arg_expr): Likewise.
12586         Don't create BIT_AND_EXPR in a pointer type.
12587
12588 2007-06-15  Eric Christopher  <echristo@apple.com>
12589
12590         * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
12591         (x86_64-*-darwin*): Ditto.
12592         * config/i386/darwin.h (CRTEND_SPEC): New. Add support
12593         for above.
12594
12595 2007-06-15  Matthew Wilcox <matthew@wil.cx>
12596
12597         * doc/extend.texi: Document behavior of __attribute__((aligned))
12598         on typedefs.
12599
12600 2007-06-15  Mark Mitchell  <mark@codesourcery.com>
12601
12602         * rtlanal.c (note_stores): Improve documentation.
12603
12604 2007-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12605
12606         * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
12607         LOCAL_LABEL_PREFIX): Delete.
12608         * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
12609         (bfin_internal_label): Delete.
12610
12611 2007-06-15  Uros Bizjak  <ubizjak@gmail.com>
12612
12613         * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
12614         define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
12615         otherwise define to LIBGCC2_TF_CEXT.
12616         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
12617         (LIBGCC_TF_CEXT): Ditto.
12618         (TF_SIZE): Ditto.
12619
12620 2007-06-14  Seongbae Park  <seongbae.park@gmail.com>
12621
12622         PR rtl-optimization/32339
12623         * df-scan.c (df_uses_record): Don't modify flags but just add to
12624         it for df_ref_record.
12625
12626 2007-06-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12627
12628         * tree-mudflap.c: Fix whitespace issues.
12629
12630 2007-06-15  Kazu Hirata  <kazu@codesourcery.com>
12631
12632         * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
12633
12634 2007-06-14  Eric Christopher  <echristo@apple.com>
12635
12636         * config/i386/sse.md (movdi_to_sse): Rewrite body.
12637         (movv4sf): Use gcc_unreachable instead of abort.
12638
12639 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12640
12641         PR target/32268
12642         * config/i386/sfp-machine.h (CMPtype): New define.
12643         (mach stubs): Use CMPtype instead of int as a return type.
12644
12645 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12646
12647         * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
12648         config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
12649         config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
12650         config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
12651         config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
12652         config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
12653         config/soft-fp/soft-fp.h: Update from glibc CVS.
12654
12655 2007-06-14  Bernd Schmidt  <bernd.schmidt@analog.com>
12656
12657         * config/bfin/uclinux.h (MFWRAP_SPEC): New.
12658
12659 2007-06-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12660
12661         PR target/32341
12662         * config/v850/v850.c: Include dataflow header file.
12663         (substitute_ep_register): Fix typo.
12664
12665 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12666
12667         * configure.ac: Fix earlier checkin.
12668         * configure: Regenerated.
12669
12670 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12671
12672         * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
12673         * aclocal.m4: Regenerate.
12674         * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
12675         ACX_PROG_CC_WARNINGS_ARE_ERRORS,
12676         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
12677         * configure: Regenerate.
12678         * Makefile.in (LOOSE_WARN): Subst loose_warn.
12679
12680         * Makefile.in (quickstrap): Build libgcc too.
12681
12682 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12683
12684         * configure.ac: Add --enable-checking=df.  Explicitly mention that
12685         the variables are initialized as for "release".
12686         * df-core.c: Use it.
12687         * configure: Regenerate.
12688         * config.in: Regenerate.
12689
12690 2007-06-14  Bob Wilson  <bob.wilson@acm.org>
12691
12692         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
12693         validate_replace_rtx instead of replace_rtx.
12694         (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
12695
12696 2007-06-14  Danny Smith  <dannysmith@users.sourceforge.net>
12697
12698         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
12699         (DWARF2_UNWIND_INFO): Override default if configured with
12700         SJLJ EH disabled.
12701         * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
12702         (ENDFILE_SPEC): Add crtend.o.
12703         * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
12704         (ENDFILE_SPEC): Add crtend.o.
12705         (TARGET_USE_JCR_SECTION): Define.
12706         (MD_UNWIND_SUPPORT): Define for 32-bit target.
12707
12708         * config/i386/cygming-crtbegin.c: New file.
12709         * config/i386/cygming-crtend.c: New file.
12710
12711 2007-06-14  Pascal Obry Pascal Obry  <obry@adacore.com>
12712
12713         * config/i386/w32-unwind.h: New file.
12714
12715 2007-06-13  Eric Christopher  <echristo@apple.com>
12716
12717         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
12718         the user set a value below STACK_BOUNDARY.
12719
12720 2007-06-13  Thiemo Seufer  <ths@networkno.de>
12721
12722         * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
12723         imply -lpthread for -pthread.
12724
12725 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12726
12727         * basic-block.h: Remove the prototype for
12728         free_basic_block_vars.
12729         * cfglayout.h: Remove the prototype for
12730         insn_locators_initialize.
12731         * tree.h: Remove the prototype for emit_line_note.
12732
12733         * tree-ssa-pre.c (mergephitemp): Remove.
12734         (init_pre): Don't use mergephitemp.
12735
12736 2007-06-13  Eric Christopher  <echristo@apple.com>
12737
12738         * config/i386/i386.c (override_options): If we've specified
12739         an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
12740
12741 2007-06-13  Bob Wilson  <bob.wilson@acm.org>
12742
12743         * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
12744         is defined.
12745
12746 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12747
12748         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
12749         * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
12750         (eh_store_handler): New pattern.
12751         (eh_return): Emit it instead of a plain move.
12752
12753 2007-06-13  Uros Bizjak  <ubizjak@gmail.com>
12754
12755         * config/i386/i386.c (ix86_init_mmx_sse_builtins)
12756         [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
12757         [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
12758         def_builtin_const.
12759
12760 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12761
12762         * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
12763         (find_next_insn_start, find_load): New functions.
12764         (bfin_reorg): Use them to deal with the fact that parallel insns are
12765         no longer represented as a SEQUENCE.
12766
12767 2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12768
12769         * config/sparc/sparc.c (sparc_override_options): Initialize
12770         fpu mask correctly.
12771
12772 2007-06-13  Dave Korn  <dave.korn@artimi.com>
12773
12774         * config/i386/i386.c (ix86_eax_live_at_start_p): Use
12775         df_get_live_out.
12776
12777 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12778
12779         * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
12780         config/sh/divcost-analysis, dbgcnt.def, df-core.c,
12781         df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
12782         tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
12783         tree-vect-transform.c: Fix comment typos.  Follow spelling
12784         conventions.
12785
12786 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12787
12788        * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
12789        to the exit block use set.
12790        (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
12791        * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
12792        * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
12793
12794 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12795
12796         * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
12797         * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
12798         to indicate an error.
12799         (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
12800         New functions.
12801         (dbg_cnt_process_opt): Print an error on a bad argument.
12802         * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
12803         * common.opt (-fdbg-cnt-list): New.
12804         * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
12805
12806 2007-06-12  Eric Botcazou  <ebotcazou@adacore.com>
12807
12808         * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
12809         flag on ref-all pointers.
12810
12811 2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12812
12813         PR middle-end/31579
12814         * expr.c (expand_expr_addr_expr_1): Call expand_expr
12815         for the offset with the modifier as EXPAND_INITIALIZER
12816         if the modifier is EXPAND_INITIALIZER.
12817         (expand_expr_real_1 <case INTEGER_CST>): Don't force to
12818         a register if we had an overflow.
12819
12820 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12821
12822         * real.c (real_isfinite): New.
12823         (real_sqrt): Use it.
12824         * real.h (real_isfinite): New.
12825         * builtins.c: Use it.
12826
12827 2007-06-12  Ian Lance Taylor  <iant@google.com>
12828             Daniel Berlin  <dberlin@dberlin.org>
12829
12830         PR libstdc++/29286
12831         * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
12832         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
12833         (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
12834         (DECL_NO_TBAA_P): Define.
12835         (struct tree_decl_common): Add no_tbaa_flag field.
12836         * tree-ssa-structalias.c (struct variable_info): Add
12837         no_tbaa_pruning field.
12838         (new_var_info): Initialize no_tbaa_pruning field.
12839         (unify_nodes): Copy no_tbaa_pruning field.
12840         (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12841         (dump_solution_for_var): Print no_tbaa_pruning flag.
12842         (set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
12843         callers.
12844         (compute_tbaa_pruning): New static function.
12845         (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
12846         Call compute_tbaa_pruning.
12847         * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
12848         * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12849         * gimple-low.c (lower_stmt): Likewise.
12850         * tree-gimple.c (is_gimple_stmt): Likewise.
12851         * tree-ssa-operands.c (get_expr_operands): Likewise.
12852         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
12853         * tree-inline.c (estimate_num_insns_1): Likewise.
12854         (copy_result_decl_to_var): Likewise.
12855         * expr.c (expand_expr_real_1): Likewise.
12856         * tree-pretty-print.c (dump_generic_node): Likewise.
12857         * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
12858         * omp-low.c (omp_copy_decl_2): Likewise.
12859         * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
12860         * doc/c-tree.texi (Expression trees): Document
12861         CHANGE_DYNAMIC_TYPE_EXPR.
12862
12863 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12864
12865         * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
12866         with !HONOR_NANS and !HONOR_INFINITIES.
12867         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
12868
12869 2007-06-12  Tristan Gingold  <gingold@adacore.com>
12870
12871         * gcov.c: Comments updated.
12872         (source_info): Add file_time field.
12873         (source_index): New variable.
12874         (mutiple_files): New variable.
12875         (generate_results): New function extracted from process_file.
12876         (process_file): Save and restore chain of functions, generate
12877         results and free structures only if not merging results.
12878         (release_structures): File names are now freed in create_file_names
12879         (create_file_names): Free previous file names.
12880         (find_source): File date is now read here and modifications in
12881         source files is checked here.
12882         (read_graph_file): Only reverse order of functions for the current
12883         object file.
12884         (make_gcov_file_name): Do not generate long names if input_name is
12885         NULL.
12886         (output_lines): If merging results do not display graph, data and
12887         runs informations.
12888         Checking source file modification is done in find_source.
12889
12890         * doc/gcov.texi: Append an s to sourcefile.
12891
12892 2007-06-12  Bernd Schmidt  <bernd.schmidt@analog.com>
12893
12894         * config/bfin/bfin.md (UNSPEC_NOP): New constant.
12895         (forced_nop): New pattern.
12896         * config/bfin/bfin.c: Include "df.h".
12897         (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
12898         (bfin_discover_loop): Use df_get_live_in instead of
12899         global_live_at_start.
12900         (bfin_reorder_loops): Pass 0 to cfg_layout_initialize.  Call
12901         df_analyze when done.
12902         (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
12903         the insns.  Use QImode for the final insn in a bundle.  Call
12904         df_insn_rescan on generated NOPs; use gen_forced_nop instead of
12905         gen_nop.
12906         (reorder_var_tracking_notes): New function.
12907         (bfin_reorg): Pass no argument to split_all_insns.  Don't call
12908         update_life_info.  Call df_analyze after scheduling and bundle
12909         generation.  Call reorder_var_tracking_notes if generating these
12910         notes.  Call df_finish_pass at the end.
12911
12912 2007-06-12  Dirk Mueller  <dmueller@suse.de>
12913
12914         * optabs.c (debug_optab_libfuncs): fix gcc_assert to
12915         a comparison, not an assignment.
12916
12917 2007-06-12  Olivier Hainque  <hainque@adacore.com>
12918
12919         * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
12920         Request walking the subtrees only, leaving the current is_lhs/val_only
12921         untouched.
12922         (convert_non_local_reference): Likewise.
12923
12924 2007-06-12  Nathan Sidwell  <nathan@codesourcery.com>
12925
12926         * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
12927
12928 2007-06-12  Richard Guenther  <rguenther@suse.de>
12929
12930         PR tree-optimization/15353
12931         PR tree-optimization/31657
12932         * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
12933         * timevar.def: Add TV_TREE_IFCOMBINE.
12934         * tree-pass.h (pass_tree_ifcombine): Declare.
12935         * tree-ssa-ifcombine.c: New file.
12936         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
12937         * tree-flow.h (blocks_in_phiopt_order): Declare.
12938         * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
12939         (tree-ssa-ifcombine.o): New dependencies.
12940
12941 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12942
12943         PR rtl-optimization/32293
12944         * combine.c (simplify_if_then_else): Truncate return from
12945         nonzero_bits() to correct mode.
12946
12947 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12948
12949         * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
12950         into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
12951
12952 2007-06-11  Diego Novillo  <dnovillo@google.com>
12953
12954         * Makefile.in (reload1.o-warn): Remove.
12955
12956 2007-06-11  Seongbae Park <seongbae.park@gmail.com>
12957
12958         * combine.c (subst): Use reg_overlap_mentioned_p
12959         instead of comparing register numbers directly.
12960
12961 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12962
12963         * reload1.c (mark_home_live_1): Use the mode parameter.
12964
12965 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12966
12967         * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
12968         df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
12969         word "deferred".
12970         * df-core.c: Ditto.
12971
12972 2007-06-11  Daniel Berlin  <dberlin@dberlin.org>
12973
12974         * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
12975
12976 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12977
12978         * config/i386/i386.md ("*movtf_internal): Penalize moves to and
12979         from integer registers.
12980         (FP mode splitters): Handle TFmode.
12981
12982 2007-06-11  Eric Botcazou  <ebotcazou@adacore.com>
12983
12984         * tree-ssa-structalias.c (find_what_p_points_to): Return false
12985         for ref-all pointers that point-to anything.
12986
12987 2007-06-11  Joseph Myers  <joseph@codesourcery.com>
12988
12989         * config/arm/arm.c (arm_output_dwarf_dtprel,
12990         TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
12991
12992 2007-06-11  Bernd Schmidt  <bernd.schmidt@analog.com>
12993
12994         * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
12995         movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
12996         to memory moves.
12997
12998 2007-06-11  Rafael Avila de Espindola  <espindola@google.com>
12999
13000         * tree.c (signed_or_unsigned_type_for): New.
13001         (unsigned_type_for): Use signed_or_unsigned_type_for.
13002         (signed_type_for): Use signed_or_unsigned_type_for.
13003         * tree.h (signed_or_unsigned_type_for): New.
13004         (get_signed_or_unsigned_type): Remove.
13005         * fold-const.c (fold_negate_expr): Use signed_type_for instead of
13006         lang_hooks.types.signed_type
13007         (size_diffop): Likewise.
13008         (all_ones_mask_p): Likewise.
13009         (build_range_check): Likewise.
13010         (fold_cond_expr_with_comparison): Likewise.
13011         (fold_cond_expr_with_comparison): Likewise.
13012         (unextend): Likewise.
13013         (extract_muldiv_1): Likewise.
13014         (fold_single_bit_test_into_sign_test): Likewise.
13015         (fold_binary): Likewise.
13016         (fold_ternary): Likewise.
13017         (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
13018         instead of get_signed_or_unsigned_type.
13019         * c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
13020         (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
13021         * expr.c (signed_or_unsigned_type_for): Use
13022         signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
13023         * langhooks.c (get_signed_or_unsigned_type): Remove.
13024         (lhd_signed_or_unsigned_type): Remove.
13025         * langhooks.h (lang_hooks_for_types): Remove signed_type and
13026         signed_or_unsigned_type.
13027         (lhd_signed_or_unsigned_type): Remove.
13028         * expmed.c (make_tree): Use signed_type_for instead of
13029         lang_hooks.types.signed_type.
13030         * c-common.c (same_scalar_type_ignoring_signedness): Use
13031         c_common_signed_type instead of lang_hooks.types.signed_type.
13032         (c_common_unsigned_type): New.
13033         (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
13034         (shorten_compare): Use c_common_unsigned_type instead of
13035         c_common_signed_or_unsigned_type.
13036         (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
13037         unsigned_type_for.
13038         * convert.c (convert_to_integer): Use signed_type_for instead of
13039         lang_hooks.types.signed_type.
13040         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
13041         (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
13042         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
13043         * c-format.c (check_format_types): Use c_common_unsigned_type
13044         instead of unsigned_type_for.
13045         * c-decl.c (groakdeclarator): Likewise.
13046         * c-typeck.c (convert_for_assignment): Likewise.
13047         * c-common.h (c_common_unsigned_type): New.
13048
13049 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
13050
13051         PR target/32280
13052         * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
13053         * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
13054
13055 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
13056
13057         PR middle-end/32279
13058         * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
13059         into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
13060
13061 2007-06-10  Jan Sjodin  <jan.sjodin@amd.com>
13062             Sebastian Pop  <sebpop@gmail.com>
13063
13064         * lambda-code.c (remove_iv): New.
13065         (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
13066
13067 2007-06-10  Zdenek Dvorak  <dvorakz@suse.cz>
13068
13069         * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
13070         * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
13071         * tree-ssa-loop-prefetch.c: Include optabs.h.
13072         (FENCE_FOLLOWING_MOVNT): New macro.
13073         (struct mem_ref): Add independent_p and storent_p fields.
13074         (record_ref): Initalize the new fields.
13075         (gather_memory_references_ref): Return true if the reference
13076         could be analysed.
13077         (gather_memory_references): Check whether all memory accesses
13078         in loop were recorded.
13079         (should_issue_prefetch_p): Return false for nontemporal stores.
13080         (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
13081         may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
13082         (determine_loop_nest_reuse): Detect independent memory references.
13083         (loop_prefetch_arrays): Call mark_nontemporal_stores.
13084         * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
13085         * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
13086         * config/i386/i386.h (x86_mfence): Declare.
13087         (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
13088         * config/i386/i386.c (x86_mfence): New variable.
13089         (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
13090
13091         * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
13092         * optabs.c (init_optabs): Initialize storent_optab.
13093         * optabs.h (enum optab_index): Add OTI_storent.
13094         (storent_optab): Declare.
13095         * genopinit.c (optabs): Add initialization for storent_optab.
13096         * tree.h (MOVE_NONTEMPORAL): New macro.
13097         * expr.c (expand_assignment, store_expr, store_constructor_field,
13098         store_constructor, store_field, expand_expr_real_1): Propagate
13099         nontemporality of the expanded store.
13100         (emit_storent_insn): New function.
13101         * expr.h (expand_assignment, store_expr): Declaration changed.
13102         * function.c (assign_parm_setup_reg): Pass false as nontemporality
13103         to expand_assignment.
13104         * stmt.c (expand_asm_expr): Ditto.
13105         * calls.c (initialize_argument_information): Pass false as
13106         nontemporality to store_expr.
13107         * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
13108         storentsi): New.
13109
13110 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
13111
13112         * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
13113         parameter, use it.
13114         (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
13115
13116 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
13117
13118         * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
13119         and allow DECL_P here.
13120
13121 2007-06-09  Zdenek Dvorak  <dvorakz@suse.cz>
13122
13123         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
13124         follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
13125         track of the size of the expression.
13126         * cfghooks.c (merge_blocks): Remove block from loops structure only
13127         after call of the merge_blocks hook.
13128
13129 2007-06-09  Tom Tromey  <tromey@redhat.com>
13130
13131         * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
13132         (deprecated_state): Removed.
13133         (start_decl): Update.
13134         (enum deprecated_states): Moved earlier.
13135         (groktypename): Update.
13136         (push_parm_decl): Likewise.
13137         (grokfield): Likewise.
13138         (start_function): Likewise.
13139
13140 2007-06-09  Ian Lance Taylor  <iant@google.com>
13141
13142         PR tree-optimization/32169
13143         * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
13144         CONVERT_EXPR, check whether min and max both converted to an
13145         overflow infinity representation.
13146
13147 2007-06-08  Eric Botcazou  <ebotcazou@adacore.com>
13148
13149         * reload1.c (fixup_abnormal_edges): Clear bb field for insns
13150         not inserted on the edge.
13151
13152 2007-06-08  Bob Wilson  <bob.wilson@acm.org>
13153
13154         * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
13155         instructions if they are supported.
13156         (__divsi3, __umodsi3, __modsi3): Likewise.
13157         (__ashldi3, __ashrdi3, __lshrdi3): New.
13158         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
13159
13160 2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>
13161             Tony Linthicum <tony.linthicum@amd.com>
13162
13163         * doc/invoke.texi: Add fvect-cost-model flag.
13164         * common.opt (fvect-cost-model): New flag.
13165         * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
13166         cost fields in stmt_vec_info struct for STMT.
13167         * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
13168         fields in stmt_vec_info struct and access functions for the same.
13169         (TARG_COND_BRANCH_COST): Define cost of conditional branch.
13170         (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
13171         load, store and vector to scalar operation.
13172         (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
13173         (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
13174         (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
13175         (TARG_VEC_STORE_COST): Define cost of vector store.
13176         (vect_estimate_min_profitable_iters): Define new function.
13177         * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
13178         check to evaluate if loop iterations are less than minimum profitable
13179         iterations determined by cost model or minimum vect loop bound defined
13180         by user, whichever is more conservative.
13181         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
13182         run-time check to evaluate if loop iterations are less than minimum
13183         profitable iterations determined by cost model or minimum vect loop
13184         bound defined by user, whichever is more conservative.
13185         (vect_estimate_min_profitable_iterations): New function to estimate
13186         mimimimum iterartions required for vector version of loop to be
13187         profitable over scalar version.
13188         (vect_model_reduction_cost): New function.
13189         (vect_model_induction_cost): New function.
13190         (vect_model_simple_cost): New function.
13191         (vect_cost_strided_group_size): New function.
13192         (vect_model_store_cost): New function.
13193         (vect_model_load_cost): New function.
13194         (vectorizable_reduction): Call vect_model_reduction_cost during
13195         analysis phase.
13196         (vectorizable_induction): Call vect_model_induction_cost during
13197         analysis phase.
13198         (vectorizable_load): Call vect_model_load_cost during analysis phase.
13199         (vectorizable_store): Call vect_model_store_cost during analysis phase.
13200         (vectorizable_call, vectorizable_assignment, vectorizable_operation,
13201         vectorizable_promotion, vectorizable_demotion): Call
13202         vect_model_simple_cost during analysis phase.
13203
13204 2007-06-08  Simon Baldwin  <simonb@google.com>
13205
13206         * reg-stack.c (get_true_reg): Readability change.  Moved default case
13207         label into direct switch statement scope.
13208
13209 2007-06-08  Simon Baldwin  <simonb@google.com>
13210
13211         * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
13212         in gcc_assert() with '==' comparison.
13213
13214 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13215
13216         * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
13217         TARGET_ABM handling of x86_popcnt variable.
13218
13219 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13220
13221         * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
13222         __builtin_copysignq and __builtin_infq built-in functions.
13223
13224 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13225
13226         * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
13227         SSE4.2 section.  Correct built-in function names in SSE4A section.
13228
13229 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13230
13231         PR tree-optimization/32243
13232         * tree-vect-transform.c (vectorizable_type_promotion): Move check
13233         for ncopies after ratio check between nunits_out and nunits_in.
13234         (vectorizable_type_demotion): Remove single-use variable "scalar_type".
13235
13236 2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
13237
13238         PR tree-optimization/32224
13239         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
13240         vectorization upon a non GIMPLE_MODIFY_STMT.
13241
13242 2007-06-08  Christian Bruel  <christian.bruel@st.com>
13243
13244         PR target/29953
13245         * config/sh/sh.md (doloop_end): New pattern and splitter.
13246         * loop-iv.c (simple_rhs_p): Check for hardware registers.
13247
13248 2007-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
13249
13250         PR middle-end/32209
13251         * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
13252         functions.
13253         (verify_dominators): Do not change dominance tree.
13254
13255 2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
13256
13257         * config/sh/constraints.md: New file.
13258         * config/sh/sh.c: Include tm-constrs.h.
13259         (reg_class_from_letter): Remove.
13260         (prepare_cbranch_operands): Use satisfies_constraint_*
13261         function instead of macro.
13262         (andcosts, broken_move, sh_secondary_reload): Likewise.
13263         * config/sh/predicates.md (trapping_target_operand): Likewise.
13264         (and_operand, arith_operand, arith_reg_or_0_operand,
13265         cmp_operand, logical_operand, target_operand,
13266         ua_address_operand, ua_offset, xor_operand): Likewise.
13267         * config/sh/sh.md: Include constraints.md.
13268         (*movsicc_t_false): Use satisfies_constraint_* function
13269         instead of macro.
13270         (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
13271         lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
13272         movdi_const_16bit+1, beq, bne, *ptb): Likewise.
13273         * config/sh/sh.h (reg_class_from_letter): Remove prototype.
13274         (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
13275         (REG_CLASS_FROM_CONSTRAINT): Remove.
13276         (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
13277         CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
13278         CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
13279         CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
13280         CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
13281         (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
13282         function instead of macro.
13283         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
13284         (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
13285         EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
13286         EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
13287         (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
13288         (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
13289         (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
13290         (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
13291         (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
13292         EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
13293         EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
13294         EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
13295         EXTRA_CONSTRAINT_STR): Likewise.
13296         (GO_IF_LEGITIMATE_INDEX): Fix indentation.
13297
13298 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
13299
13300         * config/i386/darwin.h (STACK_BOUNDARY): Define.
13301
13302 2007-06-07  Simon Martin  <simartin@users.sourceforge.net>
13303
13304         PR c++/30759
13305         * c-common.h (flag_cpp0x): Replaced by...
13306         (cxx_dialect): ... this new variable specifying the C++ dialect that
13307         is used.
13308         * c-common.c (flag_cpp0x): Removed.
13309         (cxx_dialect): Defined.
13310         * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
13311         cxx_dialect.
13312         * c-opts.c (c_common_post_options): Likewise.
13313         (set_std_cxx98): Set cxx_dialect to cxx98.
13314         (set_std_cxx0x): Set cxx_dialect to cxx0x.
13315
13316 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
13317             Hui-May Chang <hm.chang@apple.com>
13318
13319         * doc/invoke.texi (Darwin Options): Update documentation for
13320         -mmacosx-version-min.
13321         * config.gcc (*-*-darwin*): Set extra_gcc_objs.
13322         * config/darwin-driver.c: New file.
13323         * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
13324         * config/t-darwin (darwin-driver.o): New rule.
13325
13326         * config/darwin-c.c (version_as_macro): Ignore low digit.
13327
13328 2007-06-07  Uros Bizjak  <ubizjak@gmail.com>
13329
13330         * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
13331         (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
13332         (CSGNMODE): New mode macro.
13333         (CSGNVMODE): New mode attribute.
13334         (copysign<mode>3): Rename from copysingsf3 and copysigndf3.  Macroize
13335         expander using CSGNMODE mode macro.  Handle TFmode.
13336         (copysign<mode>3_const): Rename from copysignsf3_const and
13337         copysigndf3_const.  Macroize pattern using CSGNMODE mode macro.
13338         Handle TFmode.
13339         (copysign<mode>3_var): Rename from copysignsf3_var and
13340         copysigndf3_var.  Macroize pattern using CSGNMODE mode macro.
13341         Handle TFmode.
13342         (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
13343         mode macro.  Handle TFmode.
13344         * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
13345         (iortf3, *iortf3): Ditto.
13346         (xortf3, *xortf3): Ditto.
13347         * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
13348         TFmode and TImode masks.
13349         (ix86_expand_copysign): Expand TFmode copysign insn.
13350         (IX86_BUILTIN_INFQ): New.
13351         (IX86_BUILTIN_FABSQ): Ditto.
13352         (IX86_BUILTIN_COPYSIGNQ): Ditto.
13353         (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
13354         [__builtin_fabsq]: Ditto.
13355         [__builtin_copysignq]: Ditto.
13356         (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
13357         [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
13358         [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
13359         ix86_expand_binop_builtin().
13360
13361 2007-06-07  Bob Wilson  <bob.wilson@acm.org>
13362
13363         * config/xtensa/lib1funcs.asm: Clean up whitespace.
13364
13365 2007-06-07  Steve Ellcey  <sje@cup.hp.com>
13366
13367         PR target/31850
13368         * rtl.h (push_to_sequence2): New.
13369         * emit-rtl.c (push_to_sequence2): New.
13370         * function.c (assign_parm_data_all): Add new fields.
13371         (assign_parm_setup_block): Call push_to_sequence2 instead of
13372         push_to_sequence.
13373         (assign_parm_setup_reg): Ditto.
13374         (assign_parm_setup_stack): Ditto.
13375         (assign_parms_unsplit_complex): Ditto.
13376         (assign_parms): Change field name.
13377
13378 2007-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
13379
13380         PR tree-optimization/32220
13381         * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
13382         phi node is reached before defining statement.
13383
13384 2007-06-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13385
13386         PR tree-opt/32231
13387         * tree-vect-transform.c (vectorizable_call): Call update_stmt
13388         after changing the right hand side of the assignment.
13389
13390 2007-06-06  Eric Christopher  <echristo@apple.com>
13391
13392         * config.gcc (i?86-*-darwin*): Remove arch parameter.
13393         (x86_64-*-darwin*): Ditto.
13394         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
13395         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13396
13397 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13398
13399         * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
13400         coding conventions.
13401         (add_key): Likewise.
13402         * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
13403         * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
13404         variable names.
13405         * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
13406         macros.
13407         (add_cost_one_coalesce): Likewise.
13408         * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
13409         variable names. Rename orig to orig_name for consistency.
13410         * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
13411         coding conventions.
13412         (cprop_into_successor_phis): Avoid using C++ keywords as variable
13413         names.
13414         (record_equivalences_from_stmt): Likewise.
13415         * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
13416         the coding conventions.
13417         (memory_ssa_name_same): Likewise.
13418         (dse_optimize_stmt): Likewise.
13419         (dse_record_phis): Likewise.
13420         (dse_finalize_block): Likewise.
13421         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
13422         keywords as variable names.
13423         (may_move_till): Cast according to the coding conventions.
13424         (force_move_till_expr): Avoid using C++ keywords as variable names.
13425         (force_move_till): Cast according to the coding conventions.
13426         (memref_hash): Likewise.
13427         (memref_eq): Likewise.
13428         (gather_mem_refs_stmt): Likewise.
13429         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
13430         using C++ keywords as variable names.
13431         (idx_find_step): Cast according to the coding conventions.
13432         (idx_record_use): Likewise.
13433         (find_depends): Likewise.
13434         (prepare_decl_rtl): Likewise.
13435         (mbc_entry_hash): Likewise.
13436         (mbc_entry_eq): Likewise.
13437         * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
13438         (simplify_replace_tree): Avoid using C++ keywords as variable names.
13439         (idx_infer_loop_bounds): Cast according to the coding conventions.
13440         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
13441         * tree-ssa-math-opts.c (occ_new ): Likwise.
13442         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
13443         macros.
13444         * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
13445         variable names.
13446         (add_use_op): Likewise.
13447         (add_vop): Likewise.
13448         (add_vuse_op): Likewise.
13449         (add_vdef_op): Likewise.
13450         (get_expr_operands): Likewise.
13451         (push_stmt_changes): Use type safe memory macros.
13452         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
13453         keywords as variable names.
13454         (conditional_replacement): Likewise.
13455         (minmax_replacement): Likewise.
13456         (abs_replacement): Likewise.
13457         * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
13458         coding conventions.
13459         (insert_fake_stores): Avoid using C++ keywords as variable names.
13460         * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
13461         conventions.
13462         * tree-ssa-structalias.c (heapvar_lookup): Likewise.
13463         (heapvar_insert): Use type safe memory macros.
13464         (new_var_info): Cast according to the coding conventions.
13465         (new_constraint): Likewise.
13466         (remove_preds_and_fake_succs): Use type safe memory macros.
13467         * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
13468         conventions.
13469         (thread_single_edge): Likewise.
13470         (thread_through_loop_header): Likewise.
13471
13472 2007-06-06  Eric Christopher  <echristo@apple.com>
13473
13474         * config/i386/i386.c (override_options): Move handling
13475         of TARGET_SUBTARGET* earlier.
13476
13477 2007-06-06  Paolo Bonzini  <bonzini@gnu.org>
13478
13479         * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
13480         use %n on printf.
13481
13482 2007-06-06  Zdenek Dvorak  <dvorakz@suse.cz>
13483
13484         * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
13485         emited outside of basic block.
13486         * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
13487         the created blocks.
13488         * rtl.h (delete_insn_chain): Declaration changed.
13489         * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
13490         non-removed insns.
13491         (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
13492         (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
13493         rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
13494         to delete_insn_chain.
13495         (rtl_verify_flow_info_1): Verify that the insns in header and footer
13496         do not have bb field set.
13497         (rtl_verify_flow_info): Verify that insns between basic blocks do not
13498         have bb field set.
13499         * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
13500         * cfgcleanup.c (try_optimize_cfg): Ditto.
13501
13502 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13503
13504         * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
13505         (lambda_body_vector_new): Use type safe memory macros.
13506         (lambda_linear_expression_new): Likewise.
13507         (lambda_loopnest_new): Likewise.
13508         (lambda_lattice_new): Likewise.
13509         (replace_uses_equiv_to_x_with_y): Cast according to the coding
13510         conventions. Use type safe memory macros.
13511         * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
13512         (lambda_body_vector_s): Likewise.
13513         * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
13514         * lambda-trans.c (lambda_trans_matrix_new): Likewise.
13515
13516 2007-06-06  Richard Guenther  <rguenther@suse.de>
13517
13518         * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
13519         if we need to schedule cfg_cleanup.
13520         (tree_ssa_forward_propagate_single_use_vars): Do so.
13521
13522 2007-06-06  Ian Lance Taylor  <iant@google.com>
13523
13524         * fold-const.c (merge_ranges): If range_successor or
13525         range_predecessor fail, just return 0.
13526
13527 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13528
13529         PR tree-optimization/32216
13530         * tree-vectorizer.c (supportable_widening_operation): Determine
13531         signedness of FIX_TRUNC_EXPR from output operand.
13532         (supportable_narrowing_operation): Ditto.
13533         * tree-vect-generic.c (expand_vector_operations_1): Determine
13534         signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
13535         from input operand.
13536
13537 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13538
13539         * config/i386/i386.c (enum pta_flags): Move out of struct scope...
13540         (struct pta): ...from here. Change flags to unsigned to avoid
13541         excessive casting (as it is used as a bit mask).
13542         (override_options): Add casts according to the coding convenventions.
13543         (x86_64_elf_unique_section): Likewise.
13544         (examine_argument): Avoid using C++ keywords as variable names.
13545         (construct_container): Likewise.
13546         (legitimize_pic_address): Likewise.
13547         (get_dllimport_decl): Cast according to the coding conventions. Use
13548         type safe memory macros.
13549         (legitimize_address): Cast according to the coding conventions.
13550         (emit_i387_cw_initialization): Corrected the type of slot to enum
13551         ix86_stack_slot.
13552         (ix86_init_machine_status): Use type safe memory macros.
13553         (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
13554         (bdesc_pcmpistr): Likewise.
13555         (bdesc_crc32): Likewise.
13556         (bdesc_sse_3arg): Likewise.
13557         (bdesc_2arg): Likewise.
13558         (bdesc_1arg): Likewise.
13559         (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
13560         (ix86_expand_sse_pcmpistr): Likewise.
13561         (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
13562         (ix86_builtin_vectorized_function): Change the type of fn to unsigned
13563         int to match the langhook definition.
13564         (ix86_builtin_conversion): Change the type of code to unsigned init to
13565         match the langhook definition.
13566         (ix86_preferred_reload_class): Avoid using C++ keywords as variable
13567         names.
13568         (ix86_preferred_output_reload_class): Likewise.
13569         (ix86_cannot_change_mode_class): Likewise.
13570         (ix86_memory_move_cost): Likewise.
13571         (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
13572         avoid excessive casting later on.
13573         (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
13574
13575 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13576
13577         * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
13578         as flags setting insn.
13579         (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
13580
13581 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13582
13583         * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
13584         (UNSPEC_ROUND): New.
13585         ("sse4_1_round<mode>2"): New insn pattern.
13586         ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
13587         SSE4.1 targets.
13588         ("floor<mode>2"): Rename from floordf2 and floorsf2.  Macroize
13589         expander using SSEMODEF mode macro.  Expand using
13590         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13591         ("ceil<mode>2"): Rename from ceildf2 and ceilsf2.  Macroize
13592         expander using SSEMODEF mode macro.  Expand using
13593         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13594         ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2.  Macroize
13595         expander using SSEMODEF mode macro.  Expand using
13596         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13597         * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
13598         UNSPEC_ROUND instead of UNSPEC_ROUNDP.
13599         ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
13600         UNSPEC_ROUNDS.
13601
13602 2007-06-06  Jan Sjodin  <jan.sjodin@amd.com>
13603             Sebastian Pop  <sebpop@gmail.com>
13604
13605         * lambda.h (build_linear_expr): New.
13606         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
13607         Use build_linear_expr, call fold and force_gimple_operand.
13608         (lambda_loopnest_to_gcc_loopnest): Check that there is
13609         something to insert.
13610         * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
13611
13612 2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>
13613
13614         PR preprocessor/23479
13615         * doc/extend.texi: Document the 0b-prefixed binary integer
13616         constant extension.
13617
13618 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13619
13620         PR tree-optimization/32215
13621         * tree-vectorizer.c (supportable_widening_operation): Return false
13622         for unsupported FIX_TRUNC_EXPR tree code.
13623         (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
13624
13625 2007-06-06  Nathan Froyd  <froydnj@codesourcery.com>
13626
13627         * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
13628         register on SPE targets.  Change documentation to reflect
13629         reality.
13630         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
13631         Change FIXED_SCRATCH to 14 and document why we're keeping r14
13632         out of the register allocation pool.
13633         (rs6000_reg_live_or_pic_offset_p): New function.
13634         (rs6000_emit_prologue): Move the actual saving of LR up to free
13635         r0 for holding r11.  Split saving of SPE 64-bit registers into
13636         its own case.  Ensure that offsets will always be in-range for
13637         'evstdd' by using r11 as a scratch register to point at the start
13638         of the SPE save area.  Save r11 if necessary, as it is the static
13639         chain register.
13640         (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
13641         into its own case.  Ensure that offsets will always be in-range
13642         for 'evldd' by using r11 as a scratch register to point at the
13643         start of the SPE save area.  Also adjust r11 when restoring
13644         the stack pointer to compensate for pre-loading r11.
13645
13646 2007-06-05  Thomas Neumann  <tneumann@users.sourceforge.net>
13647
13648         * cfg.c (init_flow): Use type safe memory macros.
13649         (alloc_block): Likewise.
13650         (unchecked_make_edge): Likewise.
13651         (dump_flow_info): Avoid using C++ keywords as variable names.
13652         (copy_original_table_clear): Cast according to the coding conventions.
13653         (copy_original_table_set): Likewise.
13654         * cfgexpand (label_rtx_for_bb): Likewise.
13655         (expand_gimple_basic_block): Likewise.
13656         * cfghooks.c (dump_bb): Likewise.
13657         (lv_adjust_loop_header_phi): Avoid using C++ keywords as
13658         variable names.
13659         (lv_add_condition_to_bb): Likewise.
13660         * cfglayout (relink_block_chain): Cast according to the coding
13661         conventions.
13662         (fixup_reorder_chain): Likewise.
13663         (fixup_fallthru_exit_predecessor): Likewise.
13664         * cfgloop.c (glb_enum_p): Likewise.
13665         (get_exit_description): Likewise.
13666         (dump_recorded_exit): Likewise.
13667         * cfgloop.h (enum loop_estimation): Move out of struct scope...
13668         (struct loop): ... from here.
13669         * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
13670         conventions.
13671         * cfgrtl.c (rtl_create_basic_block): Likewise.
13672         (rtl_split_block): Likewise.
13673         (rtl_dump_bb): Likewise.
13674         (cfg_layout_split_block): Likewise.
13675         (init_rtl_bb_info): Use typesafe memory macros.
13676
13677         * graphds.h (struct graph_edge): Renamed edge to graph_edge.
13678         * graphds.h: Updated all usages of edge to graph_edge.
13679         * graphds.c: Likewise.
13680         * cfgloopanal.c: Likewise.
13681
13682 2007-06-05  Ian Lance Taylor  <iant@google.com>
13683
13684         * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
13685         PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
13686         (extract_range_from_assert): Set TREE_NO_WARNING when creating an
13687         expression.
13688         (test_for_singularity): Likewise.
13689
13690 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13691
13692         * config/i386/constraints.md ("Y2"): Replaced by ...
13693         ("Yt"): This.
13694         * config/i386/i386.md: Likewise.
13695         * config/i386/mmx.md: Likewise.
13696         * config/i386/sse.md: Likewise.
13697
13698 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13699
13700         * config/i386/constraints.md ("z"): Replaced by ...
13701         ("Y0"): This.
13702         * config/i386/sse.md (sse4_1_blendvpd): Likewise.
13703         (sse4_1_blendvps): Likewise.
13704         (sse4_1_pblendvb): Likewise.
13705         (sse4_2_pcmpestr): Likewise.
13706         (sse4_2_pcmpestrm): Likewise.
13707         (sse4_2_pcmpestr_cconly): Likewise.
13708         (sse4_2_pcmpistr): Likewise.
13709         (sse4_2_pcmpistrm): Likewise.
13710         (sse4_2_pcmpistr_cconly): Likewise.
13711
13712 2007-06-05  Razya Ladelsky  <razya@il.ibm.com>
13713
13714         * matrix-reorg.c (transform_access_sites): Fix computation.
13715         (transform_allocation_sites): Same.
13716
13717 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13718
13719         * config/i386/i386.c (override_options): Use
13720         TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
13721
13722 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13723
13724         * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
13725         (nonimm_not_xmm0_operand): Ditto.
13726         * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
13727         as operand[0] and operand[1] predicate.  Use "nonimm_not_xmm0_operand"
13728         as operand[2] predicate.  Require "z" class XMM register for
13729         operand[3].  Adjust asm template.
13730         ("sse4_1_blendvpd"): Ditto.
13731         ("sse4_1_pblendvb"): Ditto.
13732         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
13733         force op2 into xmm0 register for variable blend instructions.
13734
13735 2007-06-04  Tom Tromey  <tromey@redhat.com>
13736
13737         * c-tree.h (start_enum): Update.
13738         (build_enumerator): Likewise.
13739         * c-decl.c (enum_next_value): Removed.
13740         (enum_overflow): Likewise.
13741         (start_enum): Add c_enum_contents argument.  Don't use globals.
13742         (build_enumerator): Likewise.
13743         * c-tree.h (struct c_enum_contents): New struct.
13744
13745 2007-06-04  Tom Tromey  <tromey@redhat.com>
13746
13747         * c-common.c (c_common_get_alias_set): Fix indentation.
13748
13749 2007-06-04  Ian Lance Taylor  <iant@google.com>
13750
13751         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
13752         to overflow, reduce overflow infinity to regular infinity.
13753         (vrp_var_may_overflow): New static function.
13754         (vrp_visit_phi_node): Check vrp_var_may_overflow.
13755
13756 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
13757
13758         * stor-layout.c (layout_type): Remove duplicate code.
13759
13760 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
13761
13762         PR c/32191
13763         * c-common.c (c_define_builtins): Call targetm.init_builtins ()
13764         before build_common_builtin_nodes ().
13765
13766 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
13767
13768         PR target/31733
13769         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
13770
13771 2007-06-04  Jan Hubicka  <jh@suse.cz>
13772
13773         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
13774         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
13775         instead of _stat version.
13776
13777 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13778
13779         PR tree-optimization/32194
13780         * tree-predcom.c (determine_offset): Check that both references have
13781         the same type.
13782
13783 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13784
13785         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
13786         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
13787         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
13788         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
13789         Add argument to iterate_fix_dominators call.
13790         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
13791         * gcse.c (hoist_code): Change domby to vector.
13792         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
13793         Add argument to iterate_fix_dominators call.
13794         * loop-doloop.c (doloop_modify): Changed recount_dominator to
13795         recompute_dominator.
13796         * lambda-code.c (perfect_nestify): Ditto.
13797         * cfgloopanal.c: Include graphds.h.
13798         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
13799         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
13800         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
13801         add_edge call.
13802         * graphds.c: New file.
13803         * graphds.h: New file.
13804         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
13805         (get_dominated_by, get_dominated_by_region): Change return type to
13806         vector.
13807         (verify_dominators): Recompute all dominators and compare the results.
13808         (recount_dominator): Renamed to ...
13809         (recompute_dominator): ... this.  Do not check that the block is
13810         dominated by entry.
13811         (iterate_fix_dominators): Reimplemented.
13812         (prune_bbs_to_update_dominators, root_of_dom_tree,
13813         determine_dominators_for_sons): New functions.
13814         * et-forest.c (et_root): New function.
13815         * et-forest.h (et_root): Declare.
13816         * Makefile.in (graphds.o): Add.
13817         (cfgloopanal.o): Add graphds.h dependency.
13818         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
13819         * basic-block.h (get_dominated_by, get_dominated_by_region,
13820         iterate_fix_dominators): Declaration changed.
13821         (recount_dominator): Renamed to ...
13822         (recompute_dominator): ... this.
13823         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
13824         (thread_through_all_blocks): Do not free dominance info.
13825
13826 2007-06-03  Andreas Schwab  <schwab@suse.de>
13827
13828         * config/m68k/m68k.c (override_options): Don't override
13829         REAL_MODE_FORMAT.
13830         * config/m68k/m68k-modes.def (SF, DF): Define to use
13831         motorola_single_format and motorola_double_format, resp.
13832         * real.c (motorola_single_format): Renamed from
13833         coldfire_single_format.
13834         (motorola_double_format): Renamed from coldfire_double_format.
13835         (encode_ieee_extended): Generate a proper canonical NaN image
13836         respecting canonical_nan_lsbs_set.
13837         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
13838         true.
13839         * real.h: Adjust declarations.
13840
13841 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
13842
13843         PR target/32163
13844         * config/sh/sh.md (symGOT_load): Don't schedule insns when
13845         the symbol is generated with the stack protector.
13846
13847 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
13848
13849         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
13850         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
13851         "interrupt".
13852         * doc/extend.texi (interrupt): Mention m68k.
13853
13854 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
13855
13856         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
13857         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
13858         (ix86_expand_sse_pcmpestr): Do not check operands for
13859         "register_operand", when insn operand predicate is "register_operand".
13860         (ix86_expand_sse_pcmpistr): Ditto.
13861
13862 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
13863             Uros Bizjak  <ubizjak@gmail.com>
13864
13865         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
13866         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
13867         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
13868         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
13869         * config/i386/constraints.md ("z"): New register constraint
13870         for members of SSE_FIRST_REG class.
13871         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
13872         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
13873         SSE_FIRST_REG class.
13874         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
13875         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
13876         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
13877         (IX86_BUILTIN_PCMPESTRM128): Likewise.
13878         (IX86_BUILTIN_PCMPESTRA128): Likewise.
13879         (IX86_BUILTIN_PCMPESTRC128): Likewise.
13880         (IX86_BUILTIN_PCMPESTRO128): Likewise.
13881         (IX86_BUILTIN_PCMPESTRS128): Likewise.
13882         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
13883         (IX86_BUILTIN_PCMPISTRI128): Likewise.
13884         (IX86_BUILTIN_PCMPISTRM128): Likewise.
13885         (IX86_BUILTIN_PCMPISTRA128): Likewise.
13886         (IX86_BUILTIN_PCMPISTRC128): Likewise.
13887         (IX86_BUILTIN_PCMPISTRO128): Likewise.
13888         (IX86_BUILTIN_PCMPISTRS128): Likewise.
13889         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
13890         (struct builtin_description): Change "flag" field to unsigned.
13891         (bdesc_pcmpestr): New builtin description table.
13892         (bdesc_pcmpistr): Likewise.
13893         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
13894         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
13895         Initialize pcmp[ei]str[im] insns for SSE4.2.
13896         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
13897         (ix86_expand_sse_pcmpistr): Likewise.
13898         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
13899         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
13900         (UNSPEC_PCMPISTR): Likewise.
13901         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
13902         (sse4_2_pcmpestri):New isns pattern.
13903         (sse4_2_pcmpestrm): Likewise.
13904         (sse4_2_pcmpestr_cconly): Likewise.
13905         (sse4_2_pcmpistr): New insn patern and splitter.
13906         (sse4_2_pcmpistri):New isns pattern.
13907         (sse4_2_pcmpistrm): Likewise.
13908         (sse4_2_pcmpistr_cconly): Likewise.
13909         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
13910         in SSE4.2.
13911
13912 2007-06-01  David Daney  <ddaney@avtrex.com>
13913
13914         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
13915         LOADGP_ABSOLUTE and not binds_local_p.
13916
13917 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
13918
13919         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
13920
13921 2007-06-01  Ian Lance Taylor  <iant@google.com>
13922
13923         * tree-vrp.c (compare_name_with_value): Always set
13924         used_strict_overflow if we get a result from the variable itself.
13925
13926 2007-06-01  Ian Lance Taylor  <iant@google.com>
13927
13928         PR rtl-optimization/31455
13929         * lower-subreg.c (find_decomposable_subregs): Don't decompose
13930         subregs which have a cast between modes which are not tieable.
13931
13932 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
13933
13934         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
13935         breaks after return statements.
13936
13937 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
13938
13939         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
13940         only after no_new_pseudos.
13941
13942 2007-05-31  Eric Christopher  <echristo@apple.com>
13943
13944         * expr.c (convert_move): Assert that we don't have a BLKmode
13945         operand.
13946         (store_expr): Handle BLKmode moves by calling emit_block_move.
13947
13948 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
13949
13950         * c-typeck.c (build_indirect_ref): Include type in error message.
13951         (build_binary_op): Pass types to binary_op_error.
13952         * c-common.c (binary_op_error): Take two type arguments, print out
13953         types with error.
13954         * c-common.h (binary_op_error): Update prototype.
13955
13956 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13957
13958         * config/i386/i386.c: Correct coments on -mno-sse4.
13959
13960 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13961
13962         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
13963         (x86_64-*-*): Likewise.
13964         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
13965         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
13966         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
13967         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
13968         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
13969         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
13970         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
13971         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
13972         (OPTION_MASK_ISA_SSE4): Likewise.
13973         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
13974         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
13975         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
13976         (override_options): Support SSE4.2.
13977         (ix86_build_const_vector): Support SImode and DImode.
13978         (ix86_build_signbit_mask): Likewise.
13979         (ix86_expand_int_vcond): Support V2DImode.
13980         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
13981         (IX86_BUILTIN_CRC32HI): Likewise.
13982         (IX86_BUILTIN_CRC32SI): Likewise.
13983         (IX86_BUILTIN_CRC32DI): Likewise.
13984         (IX86_BUILTIN_PCMPGTQ): Likewise.
13985         (bdesc_crc32): Likewise.
13986         (bdesc_sse_3arg): Likewise.
13987         (ix86_expand_crc32): Likewise.
13988         (ix86_init_mmx_sse_builtins): Support SSE4.2.
13989         (ix86_expand_builtin): Likewise.
13990         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
13991         __SSE4_2__ for -msse4.2.
13992         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
13993         (CRC32MODE): Likewise.
13994         (crc32modesuffix): Likewise.
13995         (crc32modeconstraint): Likewise.
13996         (sse4_2_crc32<mode>): Likewise.
13997         (sse4_2_crc32di): Likewise.
13998         * config/i386/i386.opt (msse4.2): New for SSE4.2.
13999         (msse4): Likewise.
14000         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
14001         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
14002         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
14003         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
14004         (vcondu<mode>): Likewise.
14005         * doc/extend.texi: Document SSE4.2 built-in functions.
14006         * doc/invoke.texi: Document -msse4.2/-msse4.
14007
14008 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
14009
14010         PR tree-optimization/32160
14011         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
14012         variable as gimple reg.
14013         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
14014
14015 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
14016
14017         * gcc.c (main): Don't consider linker options when issuing the
14018         warning about a linker input file not being used.
14019
14020 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14021
14022         * tree-vrp.c (compare_names): Initialize sop.
14023
14024 2007-05-30  Dirk Mueller  <dmueller@suse.de>
14025
14026         * cgraphunit.c (cgraph_analyze_function): Remove
14027         computation of inline parameters.
14028
14029 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
14030
14031         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
14032
14033 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
14034
14035         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
14036         Add vx-common.h.  Include vxworks.h between vx-common.h and
14037         arm/vxworks.h.
14038         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
14039         redefining.
14040         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
14041         (TARGET_ASM_DESTRUCTOR): Likewise.
14042         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
14043         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
14044         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
14045         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
14046         (VXWORKS_ENDIAN_SPEC): Define.
14047         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
14048         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
14049         VXWORKS_* equivalents.
14050         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
14051         (ASM_FILE_START): Delete.
14052         (TARGET_VERSION): Reformat.
14053         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
14054         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
14055         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
14056         (FPBIT, DPBIT): Define.
14057         (fp-bit.c, dp-bit.c): New rules.
14058         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
14059         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
14060         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
14061         * config/arm/arm.h: Include vxworks-dummy.h.
14062         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
14063         Mark with ATTRIBUTE_UNUSED.
14064         (arm_override_options): Do not allow VxWorks RTP PIC to be used
14065         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
14066         make it incompatible with -msingle-pic-base.
14067         (arm_function_ok_for_sibcall): Return false for calls that might
14068         go through a VxWorks PIC PLT entry.
14069         (require_pic_register): New function, split out from...
14070         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
14071         for VxWorks RTPs.
14072         (arm_load_pic_register): Handle the VxWorks RTP initialization
14073         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
14074         (arm_emit_call_insn): New function.
14075         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
14076         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
14077         (pic_offset_arm): New pattern.
14078         (call, call_value): Use arm_emit_call_insn.
14079         (call_internal, call_value_internal): New expanders.
14080         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
14081         VxWorks unless __PIC__.
14082
14083 2007-05-30  Eric Christopher  <echristo@gmail.com>
14084
14085         * genrecog.c: Include regs.h in generated file.
14086         * genemit.c: Ditto. Fix up formatting.
14087         * config/mn10300/constraints.md: New.
14088         * config/mn10300/mn10300.md: Include.
14089         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
14090         Fix up for removed macro.
14091         * config/mn10300/predicates.md (call_address_operand): Ditto.
14092         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
14093         (CONST_OK_FOR_I): Ditto.
14094         (CONST_OK_FOR_J): Ditto.
14095         (CONST_OK_FOR_K): Ditto.
14096         (CONST_OK_FOR_L): Ditto.
14097         (CONST_OK_FOR_M): Ditto.
14098         (CONST_OK_FOR_N): Ditto.
14099         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
14100         (OK_FOR_Q): Ditto.
14101         (OK_FOR_R): Ditto.
14102         (OK_FOR_T): Ditto.
14103         (EXTRA_CONSTRAINT): Ditto.
14104
14105 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
14106
14107         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
14108         Remove defines.
14109         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
14110         OPTION_MASK_ISA_64BIT.
14111         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
14112
14113 2007-05-30  Richard Guenther  <rguenther@suse.de>
14114
14115         PR middle-end/32152
14116         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
14117         types for comparison.
14118         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
14119         with original typed arguments.
14120         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
14121
14122 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
14123
14124         PR tree-optimization/31769
14125         * except.c (duplicate_eh_regions): Clear prev_try if
14126         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
14127
14128 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
14129
14130         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
14131         * tree-ssa-sink.c (statement_sink_location): Return basic block and
14132         bsi of the location where statements should be inserted.
14133         (sink_code_in_bb): Take bsi from statement_sink_location.
14134         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
14135         instead of bsi_start.
14136         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
14137         bsi_insert_after.
14138         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
14139         (bsi_move_before): Document inconsistency with bsi_move_after.
14140         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
14141
14142 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
14143
14144         * config/i386/i386.h (TARGET_ABM): New define.
14145         (TARGET_POPCNT): Ditto.
14146         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
14147         New temporary defines to redefine from OPTION_ISA_* defines.
14148         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
14149         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
14150         (ix86_isa_flags): New extern int declaration.
14151         (TARGET_SUBTARGET_DEFAULT): New define.
14152         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
14153         (TARGET_SUBTARGET32_DEFAULT): Ditto.
14154         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
14155         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
14156         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
14157         * config/i386/darwin.h: Change TARGET_64BIT define to
14158         OPTION_ISA_64BIT.
14159
14160         * config/i386/i386.opt (m3dnowa): Define as undocumented option
14161         using existing "ix86_isa_flags" varible.
14162         (m32, m64): Use existing "ix86_isa_flags" variable.
14163         (mmmx, m3dnow): Ditto.
14164         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
14165         (mabm): Define as non-negative option using "x86_abm" variable.
14166         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
14167
14168         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
14169         Rewrite feature test bitmap.
14170         (ix86_isa_flags): New initialized global int varible.
14171         (ix86_isa_flags_explicit): New static int variable.
14172         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
14173         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
14174         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
14175         target_flags_explicit.
14176         (override_options): Remove "target_enable" and "target_disable" fields
14177         from "struct ptt". Update processor_target_table accordingly. Remove
14178         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
14179         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
14180         "target_flags" and "ix86_isa_flags_explicit" instead of
14181         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
14182         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
14183         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
14184         to true when either of PTA_POPCNT or PTA_ABM is set in
14185         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
14186         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
14187         processor_alias_table flags entry.  Remove handling of
14188         "target_enable" and "target_disable" fields of processor_target_table.
14189         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
14190         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
14191         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
14192         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
14193         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
14194         "target_flags".
14195         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
14196
14197 2007-05-29  David Daney  <ddaney@avtrex.com>
14198
14199         PR gcc/31975
14200         * config/mips/mips.c (mips_output_mi_thunk): Emit
14201         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
14202
14203 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
14204         * config/i386/i386.c (ix86_function_regparm): Added checking of
14205         ix86_force_align_arg_pointer to determine the number of
14206         register parameters.
14207
14208 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
14209
14210         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
14211         (SET_DR_MISALIGNMENT): New.
14212         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
14213         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
14214         Use SET_DR_MISALIGNMENT.
14215         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
14216         pointer.
14217         * tree-data-ref.c (create_data_ref, compute_all_dependences,
14218         find_loop_nest): Export.
14219         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
14220         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
14221         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
14222         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
14223         New macros.
14224         (struct mem_ref): Add field reuse_distance.
14225         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
14226         Initialize reuse_distance field.
14227         (issue_prefetch_ref): Select temporality of prefetch according to
14228         reuse_distance.
14229         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
14230         self_reuse_distance, determine_loop_nest_reuse): New functions.
14231         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
14232         (tree_ssa_prefetch_arrays): Dump L2 cache size.
14233         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
14234         dependency.
14235
14236 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
14237
14238         * tree-ssa-alias.c: Add aliasing overview.
14239
14240 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
14241             Danny Smith  <dannysmith@users.sourceforge.net>
14242
14243         PR target/29498
14244         * config/i386/t-crtfm: Compile crtfastmath.o with
14245         -minline-all-stringops.
14246         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
14247         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
14248
14249 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14250
14251         * doc/md.texi: Document constraints on HP PA-RISC.
14252
14253         * pa/constraints.md: New file.
14254         * pa.md: Include constraints.md.
14255         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
14256         (integer_store_memory_operand, ldil_cint_p): New functions.
14257         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
14258         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
14259         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
14260         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
14261         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
14262
14263 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
14264
14265         PR c/31339
14266         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
14267         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
14268         case POSTDECREMENT_EXPR>): Return the error_mark_node
14269         if either the real or imaginary parts would an
14270         error_mark_node.
14271
14272 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
14273
14274         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
14275         name when we remove it from a call.
14276
14277 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
14278
14279         * targhooks.c (default_narrow_bitfield): Remove.
14280         * targhooks.h: Remove the prototype for
14281         default_narrow_bitfield.
14282
14283         * langhooks-def.h: Remove the prototype for
14284         hook_get_alias_set_0.
14285         * langhooks.c (hook_get_alias_set_0): Remove.
14286
14287         * global.c (EXECUTE_IF_CONFLICT): Remove.
14288
14289 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14290
14291         PR tree-opt/32100
14292         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
14293         return true when truth_value_p is true and the type
14294         is of signed:1.
14295
14296 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
14297
14298         * doc/install.texi (Prerequisites): We no longer require Autoconf
14299         2.13 for the top-level.
14300
14301 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
14302
14303         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
14304         memory access via x86_expand_vector_move_misalign() only for
14305         TImode values on 32-bit targets.
14306
14307 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
14308
14309         * matrix-reorg.c: New file. Implement matrix flattening and
14310         transposing optimization.
14311         * tree-pass.h: Add matrix reorg pass.
14312         * common.opt: Add fipa-mreorg flag.
14313         * Makefile.in: Add matrix-reorg.c.
14314         * passes.c: Add matrix reorg pass.
14315         * varpool.c (add_new_static_var): New function.
14316         * cgraph.h (add_new_static_var): Declare.
14317
14318 2007-05-27  Eric Christopher  <echristo@apple.com>
14319
14320         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
14321         sp_offset depending on stack size. Save r12 depending
14322         on registers we're saving later.
14323         (rs6000_emit_epilogue): Update sp_offset depending only
14324         on stack size.
14325
14326 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
14327
14328         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
14329         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
14330         * ifcvt.c (if_convert): Ditto.
14331         * tree-ssa-threadupdate.c (thread_block): Ditto.
14332         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
14333         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
14334         verify_loop_closed_ssa): Check number_of_loops instead of
14335         current_loops.
14336         * predict.c (tree_estimate_probability): Ditto.
14337         * tree-if-conv.c (main_tree_if_conversion): Ditto.
14338         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14339         * modulo-sched.c (sms_schedule): Ditto.
14340         * tree-scalar-evolution.c (scev_const_prop): Ditto.
14341         (scev_finalize): Do not do anything if scev analysis was not
14342         initialized.
14343         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
14344         current_loops == NULL.
14345         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
14346         * loop-init.c (loop_optimizer_init): Do not free current_loops when
14347         there are no loops.
14348         (loop_optimizer_finalize): Assert that loops were analyzed.
14349         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
14350         rtl_doloop): Check number_of_loops instead of current_loops.
14351         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
14352         current_loops == NULL.
14353         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
14354         gate_tree_vectorize tree_linear_transform, check_data_deps,
14355         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
14356         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
14357         Check number_of_loops instead of current_loops.
14358         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
14359         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
14360         free loops if available.
14361         (execute_pre): Do not pass do_fre to fini_pre.
14362
14363 2007-05-27  Tobias Burnus  <burnus@net-b.de>
14364
14365         PR middle-end/32083
14366         * real.c (mpfr_from_real): Fix sign of -Inf.
14367
14368 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
14369
14370         * tree-vect-transform.c (vectorizable_conversion): Initialize
14371         tree_code variables to ERROR_MARK.
14372         (vectorizable_type_demotion): Likewise.
14373         (vectorizable_type_promotion): Likewise.
14374
14375 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14376
14377         PR target/32065
14378         * config/i386/i386.md (movti): Handle push operands via
14379         ix86_expand_push().
14380
14381 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14382
14383         * basic-block.h: Remove the prototype for merge_seq_blocks.
14384         * cfgcleanup.c (merge_seq_blocks): Remove.
14385
14386         * tree-flow.h: Remove the prototype for is_aliased_with.
14387         * tree-ssa-alias.c (is_aliased_with): Remove.
14388
14389 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
14390
14391         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
14392
14393         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
14394
14395         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
14396         ix86_expand_sse4_unpack if SSE4.1 is enabled.
14397         (vec_unpacks_hi_v16qi): Likewise.
14398         (vec_unpacku_lo_v16qi): Likewise.
14399         (vec_unpacks_lo_v16qi): Likewise.
14400         (vec_unpacku_hi_v8hi): Likewise.
14401         (vec_unpacks_hi_v8hi): Likewise.
14402         (vec_unpacku_lo_v8hi): Likewise.
14403         (vec_unpacks_lo_v8hi): Likewise.
14404         (vec_unpacku_hi_v4si): Likewise.
14405         (vec_unpacks_hi_v4si): Likewise.
14406         (vec_unpacku_lo_v4si): Likewise.
14407         (vec_unpacks_lo_v4si): Likewise.
14408
14409 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14410
14411         * c-typeck.c, config/arm/arm.c, config/darwin.c,
14412         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
14413         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
14414         follow spelling conventions in various
14415         warning/error/diagnostic messages.
14416
14417         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
14418         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
14419         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
14420         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
14421         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
14422         * doc/tm.texi: Follow spelling conventions.
14423
14424 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14425
14426         PR tree-opt/32090
14427         * tree-ssa-forwprop.c
14428         (forward_propagate_addr_into_variable_array_index): Remove
14429         the lhs argument.  Use the type of def_rhs instead of lhs.
14430         (forward_propagate_addr_expr_1): Update use of
14431         forward_propagate_addr_into_variable_array_index.
14432
14433 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
14434             Nigel Stephens  <nigel@mips.com>
14435
14436         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
14437         function attributes, "far" being an alias for "long_call".
14438         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
14439         (mips_near_type_p, mips_far_type_p): New.
14440         (mips_comp_type_attributes): New function to check that attributes
14441         attached to a function type are compatible.
14442         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
14443         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
14444         to the target function of the thunk.
14445         (mips_encode_section_info): Check for "near" and "far" function
14446         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
14447
14448         * config/mips/predicates.md (const_call_insn_operand): Test only
14449         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
14450
14451         * doc/extend.texi (Function Attributes): Document MIPS "near" and
14452         "far" attributes.
14453
14454         * testsuite/gcc.target/mips/near-far-1.c: New test case.
14455         * testsuite/gcc.target/mips/near-far-2.c: New test case.
14456         * testsuite/gcc.target/mips/near-far-3.c: New test case.
14457         * testsuite/gcc.target/mips/near-far-4.c: New test case.
14458
14459 2007-05-25  Eric Christopher  <echristo@apple.com>
14460
14461         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
14462         to x86-darwin configurations.
14463         * config/i386/t-darwin: Add softfp support.
14464         * config/i386/t-darwin64: Ditto.
14465         * config/i386/sfp-machine.h: If mach then don't use
14466         aliasing, emit a stub to call.
14467
14468 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
14469
14470         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
14471         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
14472         tree-predcom.c, tree-ssa-alias-warnings.c,
14473         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
14474         comment typos.  Follow spelling conventions.
14475         * doc/cpp.texi, doc/invoke.texi: Fix typos.
14476
14477 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14478
14479         PR target/32065
14480         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
14481         constants into memory.  Expand unaligned memory references for
14482         SSE modes via x86_expand_vector_move_misalign() function.
14483
14484 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
14485
14486         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
14487         "memory" attribute for "sseishft" type insn without operands[2].
14488
14489 2007-05-25  Dirk Mueller  <dmueller@suse.de>
14490             Marcus Meissner <meissner@suse.de>
14491
14492         * doc/extend.texi (alloc_size): New attribute.
14493         * c-common.c (handle_alloc_size_attribute): New.
14494         * tree-object-size.c (alloc_object_size): Use alloc_size
14495         attribute, if available.
14496
14497 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14498
14499         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
14500         with MASK_SSE2.
14501         (__builtin_ia32_vec_ext_v2di): Likewise.
14502         (__builtin_ia32_vec_ext_v4si): Likewise.
14503         (__builtin_ia32_vec_ext_v8hi): Likewise.
14504         (__builtin_ia32_vec_ext_v16qi): Likewise.
14505         (__builtin_ia32_vec_set_v8hi): Likewise.
14506
14507 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14508
14509         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
14510
14511 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
14512
14513         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
14514         (arm_is_longcall_p): Rename to...
14515         (arm_is_long_call_p): ...this.  Take a single tree argument and
14516         return a bool.
14517         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
14518         (CUMULATIVE_ARGS): Remove call_cookie.
14519         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
14520         (ENCODED_LONG_CALL_ATTR_P): Delete.
14521         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
14522         LONG_CALL_FLAG_CHAR cases.
14523         (ARM_DECLARE_FUNCTION_SIZE): Delete.
14524         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
14525         ARM_DECLARE_FUNCTION_SIZE.
14526         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
14527         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
14528         (arm_encode_call_attribute, current_file_function_operand): Delete.
14529         (arm_function_in_section_p): New function.
14530         (arm_is_longcall_p): Rename to...
14531         (arm_is_long_call_p): ...this.  Take the target function as a single
14532         argument and return a bool.  Do not rely on call cookies.  Check
14533         whether the target symbol is in the same section as the current
14534         function, not just the same compilation unit.
14535         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
14536         (arm_encode_section_info): Don't encode a call type.
14537         * config/arm/arm.md (call, call_value): Update calls to
14538         arm_is_long(_)call_p.  Simplify logic.
14539         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
14540         Update calls to arm_is_long(_)call_p.
14541
14542 2007-05-25  Richard Guenther  <rguenther@suse.de>
14543
14544         PR tree-optimization/31982
14545         * tree-ssa-forwprop.c
14546         (forward_propagate_addr_into_variable_array_index): Handle arrays
14547         with element size one.
14548
14549 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14550
14551         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
14552         (umulsi3_highpart): Likewise.
14553
14554 2007-05-24  Ian Lance Taylor  <iant@google.com>
14555
14556         PR rtl-optimization/32069
14557         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
14558         is NULL.
14559
14560 2007-05-24  Ollie Wild  <aaw@google.com>
14561
14562         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
14563         description.
14564
14565 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
14566
14567         * postreload-gcse.c (reg_changed_after_insn_p): New function.
14568         (oprs_unchanged_p): Use it to check all registers in a REG.
14569         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
14570         (reg_set_between_after_reload_p): Delete.
14571         (reg_used_between_after_reload_p): Likewise.
14572         (reg_set_or_used_since_bb_start): Likewise.
14573         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
14574         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
14575         Use reg_set_between_p instead of reg_set_between_after_reload_p.
14576         * rtlanal.c (reg_set_p): Check whether REG overlaps
14577         regs_invalidated_by_call, rather than just checking the
14578         membership of REGNO (REG).
14579
14580 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14581
14582         * doc/passes.texi: Document predictive commoning.
14583         * doc/invoke.texi (-fpredictive-commoning): Document.
14584         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
14585         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
14586         adding indices to the generated name.
14587         (schedule_sm): Pass 0 to get_lsm_tmp_name.
14588         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
14589         * tree-pretty-print.c (op_symbol_1): Renamed to ...
14590         (op_symbol_code): ... and exported.
14591         (dump_omp_clause, op_symbol): Use op_symbol_code
14592         instead of op_symbol_1.
14593         * tree-pass.h (pass_predcom): Declare.
14594         * timevar.def (TV_PREDCOM): New timevar.
14595         * tree-ssa-loop.c (run_tree_predictive_commoning,
14596         gate_tree_predictive_commoning, pass_predcom): New.
14597         * tree-data-ref.c (find_data_references_in_loop): Find the
14598         references in dominance order.
14599         (canonicalize_base_object_address): Ensure that the result has
14600         pointer type.
14601         (dr_analyze_innermost): Export.
14602         (create_data_ref): Code to fail for references with invariant
14603         address moved ...
14604         (find_data_references_in_stmt): ... here.
14605         * tree-data-ref.h (dr_analyze_innermost): Declare.
14606         * tree-affine.c: Include tree-gimple.h and hashtab.h.
14607         (aff_combination_find_elt, name_expansion_hash,
14608         name_expansion_eq, tree_to_aff_combination_expand,
14609         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
14610         New functions.
14611         * tree-affine.h (aff_combination_constant_multiple_p,
14612         tree_to_aff_combination_expand): Declare.
14613         * tree-predcom.c: New file.
14614         * common.opt (fpredictive-commoning): New option.
14615         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
14616         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
14617         * Makefile.in (tree-predcom.o): Add.
14618         (tree-affine.o): Add TREE_GIMPLE_H dependency.
14619         * passes.c (init_optimization_passes): Add dceloop after
14620         copy propagation in loop optimizer.  Add predictive commoning
14621         to loop optimizer passes.
14622
14623 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14624
14625         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
14626         default hook.
14627
14628 2007-05-24  Jan Hubicka  <jh@suse.cz>
14629
14630         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
14631         statistics.
14632         (genheader): Include statistics.h.
14633
14634         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
14635         notes are gone.
14636         * print-rtl.c (flag_dump_unnumbered): Update comments.
14637         (print_rtl): Fix my previous change.
14638         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
14639         specific data.
14640
14641 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14642
14643         PR middle-end/32018
14644         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
14645         set_loop_copy.
14646         (thread_through_all_blocks): Call initialize_original_copy_tables
14647         and free_original_copy_tables.
14648         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
14649         Use set_loop_copy.
14650         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
14651         * cfghooks.c (duplicate_block): Use get_loop_copy.
14652         * cfg.c: Include cfgloop.h.
14653         (loop_copy): New hash table.
14654         (initialize_original_copy_tables): Initialize loop_copy table.
14655         (free_original_copy_tables): Free loop_copy table.
14656         (copy_original_table_clear, copy_original_table_set,
14657         set_loop_copy, get_loop_copy): New functions.
14658         (set_bb_original, set_bb_copy): Use copy_original_table_set.
14659         * cfgloop.h (struct loop): Remove copy field.
14660         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
14661         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
14662
14663 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14664
14665         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
14666         -msse/-msse2/-msse3.
14667
14668 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14669
14670         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
14671         __builtin_ia32_vec_set_v2di with MASK_64BIT.
14672
14673 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
14674
14675         PR target/27067
14676         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
14677         * targhooks.h (default_mangle_decl_assembler_name): Declare
14678         default hook.
14679         * targhooks.c (default_mangle_decl_assembler_name): Define
14680         default hook.
14681         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
14682         default hook.
14683         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
14684         * langhooks.c (lhd_set_decl_assembler_name): Call
14685         targetm.mangle_decl_assembler_name for names with global scope.
14686
14687         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
14688         default.
14689         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
14690         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
14691         Declare.
14692         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
14693         New. Factored out of i386_pe_encode_section_info.
14694         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
14695         Move check for prior decoration of stdcall
14696         symbols to i386_pe_encode_section_info.
14697         (i386_pe_encode_section_info): Adjust call to
14698         gen_stdcall_or_fastcall_suffix.  Use
14699         i386_pe_maybe_mangle_decl_assembler_name, if needed.
14700         (i386_pe_mangle_decl_assembler_name): New. Wrap
14701         i386_pe_maybe_mangle_decl_assembler_name.
14702
14703 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
14704
14705         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
14706         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
14707         * langhooks.c (get_signed_or_unsigned_type): Don't check for
14708         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
14709         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
14710         TYPE_UNSIGNED.
14711
14712 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
14713             Nigel Stephens  <nigel@mips.com>
14714             Richard Sandiford  <richard@codesourcery.com>
14715
14716         Fix up MIPS16 hard float and add support for complex.
14717
14718         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
14719         (TARGET_SOFT_FLOAT_ABI): New.
14720         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
14721         __mips_soft_float to reflect the ABI in use, not whether the
14722         FPU is directly accessible (e.g., in MIPS16 mode).
14723         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
14724         (UNITS_PER_FPVALUE): Likewise.
14725
14726         * config/mips/mips.c (mips_expand_call): Remove redundant
14727         TARGET_MIPS16 check.
14728         (mips_arg_regno): New.
14729         (function_arg_advance): When setting bits in cum->fp_code for
14730         MIPS16, don't subtract 1 from cum->arg_number, since it is now
14731         zero-based.
14732         (function_arg): Use mips_arg_regno.
14733         (mips_return_mode_in_fpr_p): New.
14734         (mips16_call_stub_mode_suffix): New.
14735         (mips16_cfun_returns_in_fpr_p): New.
14736         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
14737         (mips_output_function_prologue): Test mips16_hard_float, not
14738         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
14739         (mips_expand_epilogue): Call MIPS16 helper routines to copy
14740         return value into a floating-point register.
14741         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
14742         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
14743         (mips16_fp_args): Handle MIPS32r2 ISA which supports
14744         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
14745         word of double arguments from or to the high bits of 64-bit
14746         floating point registers.
14747         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
14748         (mips16_fpret_double): New helper function.
14749         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
14750         support for complex modes.  Fill in DECL_RESULT for stubdecl.
14751         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
14752
14753         * config/mips/mips16.S
14754         (RET, ARG1, ARG2): New.
14755         (MERGE_GPRf, MERGE_GPRt): New.
14756         (DELAYt, DELAYf): New.
14757         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
14758         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
14759         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
14760         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
14761         (SFOP): Renamed to...
14762         (OPSF3): This, and macro-ified.  Updated all uses.
14763         (SFOP2): Renamed to...
14764         (OPSF2): This, and macro-ified.  Updated all uses.
14765         (SFCMP): Renamed to...
14766         (CMPSF): This, and macro-ified.  Updated all uses.
14767         (SFREVCMP): Renamed to...
14768         (REVCMPSF): This, and macro-ified.  Updated all uses.
14769         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
14770         (LDDBL1, LDDBL2, RETDBL): Deleted.
14771         (DFOP): Renamed to...
14772         (OPDF3): This, and macro-ified.  Updated all uses.
14773         (DFOP2): Renamed to...
14774         (OPDF2): This, and macro-ified.  Updated all uses.
14775         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
14776         (DFCMP): Renamed to...
14777         (CMPDF): This, and macro-ified.  Updated all uses.
14778         (DFREVCMP): Renamed to...
14779         (REVCMPDF): This, and macro-ified.  Updated all uses.
14780         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
14781         (RET_FUNCTION): New.
14782         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
14783         (__mips16_ret_sc, __mips16_ret_dc): New.
14784         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
14785         STUB_ARGS_6, STUB_ARGS_10): New.
14786         (CALL_STUB_NO_RET): New.
14787         (__mips16_call_stub_1): Macro-ified.
14788         (__mips16_call_stub_5): Macro-ified.
14789         (__mips16_call_stub_2): Macro-ified.
14790         (__mips16_call_stub_6): Macro-ified.
14791         (__mips16_call_stub_9): Macro-ified.
14792         (__mips16_call_stub_10): Macro-ified.
14793         (CALL_STUB_RET): New.
14794         (__mips16_call_stub_sf_0): Macro-ified.
14795         (__mips16_call_stub_sf_1): Macro-ified.
14796         (__mips16_call_stub_sf_5): Macro-ified.
14797         (__mips16_call_stub_sf_2): Macro-ified.
14798         (__mips16_call_stub_sf_6): Macro-ified.
14799         (__mips16_call_stub_sf_9): Macro-ified.
14800         (__mips16_call_stub_sf_10): Macro-ified.
14801         (__mips16_call_stub_df_0): Macro-ified.
14802         (__mips16_call_stub_df_1): Macro-ified.
14803         (__mips16_call_stub_df_5): Macro-ified.
14804         (__mips16_call_stub_df_2): Macro-ified.
14805         (__mips16_call_stub_df_6): Macro-ified.
14806         (__mips16_call_stub_df_9): Macro-ified.
14807         (__mips16_call_stub_df_10): Macro-ified.
14808         (__mips16_call_stub_sc_0): New.
14809         (__mips16_call_stub_sc_1): New.
14810         (__mips16_call_stub_sc_5): New.
14811         (__mips16_call_stub_sc_2): New.
14812         (__mips16_call_stub_sc_6): New.
14813         (__mips16_call_stub_sc_9): New.
14814         (__mips16_call_stub_sc_10): New.
14815         (__mips16_call_stub_dc_0): New.
14816         (__mips16_call_stub_dc_1): New.
14817         (__mips16_call_stub_dc_5): New.
14818         (__mips16_call_stub_dc_2): New.
14819         (__mips16_call_stub_dc_6): New.
14820         (__mips16_call_stub_dc_9): New.
14821         (__mips16_call_stub_dc_10): New.
14822
14823         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
14824         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
14825         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
14826
14827 2007-05-23  Ian Lance Taylor  <iant@google.com>
14828
14829         * doc/invoke.texi (Invoking GCC): Document that the order of the
14830         -l option matters.
14831
14832 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
14833
14834         PR target/30987
14835         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
14836         * config/score/predicate.md (const_pow2, const_npow2): Remove.
14837         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
14838         undef.
14839
14840         PR target/30474
14841         * config/score/score.c (score_print_operand): Make sure that only
14842         lower bits are used.
14843
14844 2007-05-22  Ian Lance Taylor  <iant@google.com>
14845
14846         * tree-vrp.c (avoid_overflow_infinity): New static function,
14847         broken out of set_value_range_to_value.
14848         (set_value_range_to_value): Call avoid_overflow_infinity.
14849         (extract_range_from_assert): Likewise.
14850
14851 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14852
14853         PR middle-end/31095
14854          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
14855         change the type before looking for a COMPOUND_EXPR.
14856
14857 2007-05-22  Ian Lance Taylor  <iant@google.com>
14858
14859         * lower-subreg.c (decompose_multiword_subregs): If we change an
14860         insn, call remove_retval_note on it.
14861
14862 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14863
14864         * regs.h (end_hard_regno): New function.
14865         (END_HARD_REGNO, END_REGNO): New macros.
14866         (add_to_hard_reg_set): New function.
14867         (remove_from_hard_reg_set): Likewise.
14868         (in_hard_reg_set_p): Likewise.
14869         (overlaps_hard_reg_set_p): Likewise.
14870         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
14871         (note_btr_set): Use END_HARD_REGNO.
14872         * caller-save.c (setup_save_areas): Use end_hard_regno.
14873         (mark_set_regs): Use END_HARD_REGNO.
14874         (add_stored_regs): Use end_hard_regno.
14875         (mark_referenced_regs): Use add_to_hard_reg_set.
14876         * combine.c (update_table_tick): Use END_REGNO.
14877         (record_value_for_reg): Likewise.
14878         (record_dead_and_set_regs): Likewise.
14879         (get_last_value_validate): Likewise.
14880         (use_crosses_set_p): Likewise.
14881         (reg_dead_at_p_1): Likewise.
14882         (reg_dead_at_p): Likewise.
14883         (mark_used_regs_combine): Use add_to_hard_reg_set.
14884         (move_deaths): Use END_HARD_REGNO.
14885         (reg_bitfield_target_p): Use end_hard_regno.
14886         (distribute_notes): Use END_HARD_REGNO.
14887         * cse.c (mention_regs): Use END_REGNO.
14888         (insert): Use add_to_hard_reg_set.
14889         (invalidate): Use END_HARD_REGNO.
14890         (invalidate_for_call): Likewise.
14891         (exp_equiv_p): Use END_REGNO.
14892         (cse_insn): Likewise.
14893         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
14894         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
14895         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
14896         * function.c (keep_stack_depressed): Use end_hard_regno.
14897         * global.c (global_alloc): Use end_hard_regno.
14898         (global_conflicts): Use add_to_hard_reg_set instead of
14899         mark_reg_live_nc.
14900         (find_reg): Likewise.
14901         (mark_reg_store): Likewise.
14902         (mark_reg_conflicts): Likewise.
14903         (mark_reg_death): Use remove_from_hard_reg_set.
14904         (mark_reg_live_nc): Delete.
14905         (set_preference): Use end_hard_regno.
14906         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
14907         remove_from_hard_reg_set.
14908         (post_mark_life): Use add_to_hard_reg_set.
14909         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
14910         (reg_becomes_live): Use add_to_hard_reg_set.
14911         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
14912         (peep2_find_free_register): Use add_to_hard_reg_set.
14913         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
14914         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
14915         * regrename.c (note_sets): Use add_to_hard_reg_set.
14916         (clear_dead_regs): Use remove_from_hard_reg_set.
14917         (regrename_optimize): Use add_to_hard_reg_set.
14918         (find_oldest_value_reg): Use in_hard_reg_set_p.
14919         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
14920         (hard_reg_set_here_p): Use end_hard_regno.
14921         (decompose): Likewise.
14922         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
14923         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
14924         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
14925         (mark_home_live): Use end_hard_regno.
14926         (spill_hard_reg): Likewise.
14927         (clear_reload_reg_in_use): Likewise.
14928         * reorg.c (delete_prior_computation): Use END_REGNO.
14929         * resource.c (update_live_status): Use END_HARD_REGNO.
14930         (mark_referenced_resources): Use add_to_hard_reg_set.
14931         (mark_set_resources): Likewise.
14932         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
14933         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
14934         (reg_overlap_mentioned_p): Likewise.
14935         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
14936         (covers_regno_no_parallel_p): Use END_REGNO.
14937         (find_regno_note): Likewise.
14938         (find_reg_fusage): Use END_HARD_REGNO.
14939         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
14940         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
14941
14942 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14943
14944         * mode-switching.c (reg_dies): Change type of second argument to
14945         "HARD_REG_SET *".
14946         (optimize_mode_switching): Update accordingly.
14947
14948 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
14949
14950         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
14951         in favor of...
14952         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
14953         (hard_reg_set_empty_p): ...these new functions.
14954         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
14955         GO_IF_HARD_REG_SUBSET.
14956         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
14957         instead of GO_IF_HARD_REG_EQUAL.
14958         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
14959         instead of GO_IF_HARD_REG_EQUAL.
14960         * global.c (find_reg): Use hard_reg_set_empty_p instead of
14961         GO_IF_HARD_REG_SUBSET.
14962         (modify_reg_pav): Use hard_reg_set_empty_p instead of
14963         GO_IF_HARD_REG_EQUAL.
14964         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
14965         of GO_IF_HARD_REG_SUBSET.
14966         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
14967         instead of GO_IF_HARD_REG_EQUAL.
14968         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
14969         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
14970         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
14971         of GO_IF_HARD_REG_SUBSET,
14972         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
14973         GO_IF_HARD_REG_SUBSET.
14974         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
14975         instead of GO_IF_HARD_REG_EQUAL.
14976         * config/sh/sh.c (push_regs, calc_live_regs): Use
14977         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
14978         (hard_regs_intersect_p): Delete.
14979
14980 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
14981
14982         * doc/sourcebuild.texi (Test Directives) Add dg-message.
14983
14984 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
14985             Richard Henderson  <rth@redhat.com>
14986
14987         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
14988         extra_headers.
14989         (x86_64-*-*): Likewise.
14990
14991         * i386/i386-modes.def (V2QI): New.
14992
14993         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
14994         SSE4A.
14995         (override_options): Support SSE4.1.
14996         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
14997         (IX86_BUILTIN_BLENDPS): Likewise.
14998         (IX86_BUILTIN_BLENDVPD): Likewise.
14999         (IX86_BUILTIN_BLENDVPS): Likewise.
15000         (IX86_BUILTIN_PBLENDVB128): Likewise.
15001         (IX86_BUILTIN_PBLENDW128): Likewise.
15002         (IX86_BUILTIN_DPPD): Likewise.
15003         (IX86_BUILTIN_DPPS): Likewise.
15004         (IX86_BUILTIN_INSERTPS128): Likewise.
15005         (IX86_BUILTIN_MOVNTDQA): Likewise.
15006         (IX86_BUILTIN_MPSADBW128): Likewise.
15007         (IX86_BUILTIN_PACKUSDW128): Likewise.
15008         (IX86_BUILTIN_PCMPEQQ): Likewise.
15009         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
15010         (IX86_BUILTIN_PMAXSB128): Likewise.
15011         (IX86_BUILTIN_PMAXSD128): Likewise.
15012         (IX86_BUILTIN_PMAXUD128): Likewise.
15013         (IX86_BUILTIN_PMAXUW128): Likewise.
15014         (IX86_BUILTIN_PMINSB128): Likewise.
15015         (IX86_BUILTIN_PMINSD128): Likewise.
15016         (IX86_BUILTIN_PMINUD128): Likewise.
15017         (IX86_BUILTIN_PMINUW128): Likewise.
15018         (IX86_BUILTIN_PMOVSXBW128): Likewise.
15019         (IX86_BUILTIN_PMOVSXBD128): Likewise.
15020         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
15021         (IX86_BUILTIN_PMOVSXWD128): Likewise.
15022         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
15023         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
15024         (IX86_BUILTIN_PMOVZXBW128): Likewise.
15025         (IX86_BUILTIN_PMOVZXBD128): Likewise.
15026         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
15027         (IX86_BUILTIN_PMOVZXWD128): Likewise.
15028         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
15029         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
15030         (IX86_BUILTIN_PMULDQ128): Likewise.
15031         (IX86_BUILTIN_PMULLD128): Likewise.
15032         (IX86_BUILTIN_ROUNDPD): Likewise.
15033         (IX86_BUILTIN_ROUNDPS): Likewise.
15034         (IX86_BUILTIN_ROUNDSD): Likewise.
15035         (IX86_BUILTIN_ROUNDSS): Likewise.
15036         (IX86_BUILTIN_PTESTZ): Likewise.
15037         (IX86_BUILTIN_PTESTC): Likewise.
15038         (IX86_BUILTIN_PTESTNZC): Likewise.
15039         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
15040         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
15041         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
15042         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
15043         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
15044         (bdesc_ptest): New.
15045         (bdesc_sse_3arg): Likewise.
15046         (bdesc_2arg): Likewise.
15047         (bdesc_1arg): Likewise.
15048         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
15049         with 3 args.
15050         (ix86_expand_sse_4_operands_builtin): New.
15051         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
15052         smaller than 8 bits as the 2nd arg.
15053         (ix86_expand_sse_ptest): New.
15054         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
15055         (ix86_expand_vector_set): Support SSE4.1.
15056         (ix86_expand_vector_extract): Likewise.
15057
15058         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
15059         __SSE4_1__ for -msse4.1.
15060
15061         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
15062         (UNSPEC_INSERTPS): Likewise.
15063         (UNSPEC_DP): Likewise.
15064         (UNSPEC_MOVNTDQA): Likewise.
15065         (UNSPEC_MPSADBW): Likewise.
15066         (UNSPEC_PHMINPOSUW): Likewise.
15067         (UNSPEC_PTEST): Likewise.
15068         (UNSPEC_ROUNDP): Likewise.
15069         (UNSPEC_ROUNDS): Likewise.
15070
15071         * config/i386/i386.opt (msse4.1): New for SSE4.1.
15072
15073         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
15074         (const_pow2_1_to_32768_operand): Likewise.
15075
15076         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
15077         file.
15078
15079         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
15080         SSE4.1.
15081         (sse4_1_insertps): Likewise.
15082         (*sse4_1_extractps): Likewise.
15083         (sse4_1_ptest): Likewise.
15084         (sse4_1_mulv2siv2di3): Likewise.
15085         (*sse4_1_mulv4si3): Likewise.
15086         (*sse4_1_smax<mode>3): Likewise.
15087         (*sse4_1_umax<mode>3): Likewise.
15088         (*sse4_1_smin<mode>3): Likewise.
15089         (*sse4_1_umin<mode>3): Likewise.
15090         (sse4_1_eqv2di3): Likewise.
15091         (*sse4_1_pinsrb): Likewise.
15092         (*sse4_1_pinsrd): Likewise.
15093         (*sse4_1_pinsrq): Likewise.
15094         (*sse4_1_pextrb): Likewise.
15095         (*sse4_1_pextrb_memory): Likewise.
15096         (*sse4_1_pextrw_memory): Likewise.
15097         (*sse4_1_pextrq): Likewise.
15098         (sse4_1_blendpd): Likewise.
15099         (sse4_1_blendps): Likewise.
15100         (sse4_1_blendvpd): Likewise.
15101         (sse4_1_blendvps): Likewise.
15102         (sse4_1_dppd): Likewise.
15103         (sse4_1_dpps): Likewise.
15104         (sse4_1_movntdqa): Likewise.
15105         (sse4_1_mpsadbw): Likewise.
15106         (sse4_1_packusdw): Likewise.
15107         (sse4_1_pblendvb): Likewise.
15108         (sse4_1_pblendw): Likewise.
15109         (sse4_1_phminposuw): Likewise.
15110         (sse4_1_extendv8qiv8hi2): Likewise.
15111         (*sse4_1_extendv8qiv8hi2): Likewise.
15112         (sse4_1_extendv4qiv4si2): Likewise.
15113         (*sse4_1_extendv4qiv4si2): Likewise.
15114         (sse4_1_extendv2qiv2di2): Likewise.
15115         (*sse4_1_extendv2qiv2di2): Likewise.
15116         (sse4_1_extendv4hiv4si2): Likewise.
15117         (*sse4_1_extendv4hiv4si2): Likewise.
15118         (sse4_1_extendv2hiv2di2): Likewise.
15119         (*sse4_1_extendv2hiv2di2): Likewise.
15120         (sse4_1_extendv2siv2di2): Likewise.
15121         (*sse4_1_extendv2siv2di2): Likewise.
15122         (sse4_1_zero_extendv8qiv8hi2): Likewise.
15123         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
15124         (sse4_1_zero_extendv4qiv4si2): Likewise.
15125         (*sse4_1_zero_extendv4qiv4si2): Likewise.
15126         (sse4_1_zero_extendv2qiv2di2): Likewise.
15127         (*sse4_1_zero_extendv2qiv2di2): Likewise.
15128         (sse4_1_zero_extendv4hiv4si2): Likewise.
15129         (*sse4_1_zero_extendv4hiv4si2): Likewise.
15130         (sse4_1_zero_extendv2hiv2di2): Likewise.
15131         (*sse4_1_zero_extendv2hiv2di2): Likewise.
15132         (sse4_1_zero_extendv2siv2di2): Likewise.
15133         (*sse4_1_zero_extendv2siv2di2): Likewise.
15134         (sse4_1_roundpd): Likewise.
15135         (sse4_1_roundps): Likewise.
15136         (sse4_1_roundsd): Likewise.
15137         (sse4_1_roundss): Likewise.
15138         (mulv4si3): Don't expand for SSE4.1.
15139         (smax<mode>3): Likewise.
15140         (umaxv4si3): Likewise.
15141         (uminv16qi3): Likewise.
15142         (umin<mode>3): Likewise.
15143         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
15144
15145         * doc/extend.texi: Document SSE4.1 built-in functions.
15146
15147         * doc/invoke.texi: Document -msse4.1.
15148
15149 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
15150
15151         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
15152         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
15153         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
15154         (ASM_SPEC): Add asm_pcrel_spec.
15155         (EXTRA_SPECS): Add asm_pcrel_spec.
15156
15157 2007-05-21  David Daney  <ddaney@avtrex.com>
15158
15159         * doc/install.texi (Building a cross compiler): Add requirements
15160         for Java cross compiler.
15161
15162 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15163
15164         PR middle-end/31995
15165         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
15166         Add loopno argument.  Use evolution_function_is_invariant_rec_p
15167         instead of evolution_function_is_constant_p.
15168         Update calls to evolution_function_is_affine_multivariate_p.
15169         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
15170         Add loopno argument.
15171         * tree-scalar-evolution.c (gather_chrec_stats): Call
15172         evolution_function_is_affine_multivariate_p with a loop
15173         number of 0.
15174         * tree-data-ref.c (analyze_miv_subscript): Likewise.
15175         (analyze_overlapping_iterations): Likewise.
15176         (access_functions_are_affine_or_constant_p): Likewise.
15177         (build_classic_dist_vector_1): If the access functions
15178         are equal, don't do anything.
15179
15180 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
15181             Paolo Carlini  <pcarlini@suse.de>
15182             Uros Bizjak  <ubizjak@gmail.com>
15183
15184         * c-cppbuiltin.c (c_cpp_builtins): Define
15185         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
15186         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
15187         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
15188         * doc/cpp.texi ([Standard Predefined Macros]): Document.
15189
15190 2007-05-21  Mike Stump  <mrs@apple.com>
15191
15192         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
15193         handling as well.
15194         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
15195
15196 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
15197
15198         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
15199         implementation if __OPTIMIZE__ is not defined.
15200         (_mm_alignr_pi8): Ditto.
15201         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15202         (_mm_inserti_si64): Ditto.
15203         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15204         (_mm_slli_epi16): Ditto.
15205         (_mm_slli_epi32): Ditto.
15206         (_mm_slli_epi64): Ditto.
15207         (_mm_srai_epi16): Ditto.
15208         (_mm_srai_epi32): Ditto.
15209         (_mm_srli_si128): Ditto.
15210         (_mm_slli_si128): Ditto.
15211         (_mm_srli_epi16): Ditto.
15212         (_mm_srli_epi32): Ditto.
15213         (_mm_srli_epi64): Ditto.
15214         (_mm_extract_epi16): Ditto.
15215         (_mm_insert_epi16): Ditto.
15216         (_mm_shufflehi_epi16): Ditto.
15217         (_mm_shufflelo_epi16): Ditto.
15218         (_mm_shuffle_epi32): Ditto.
15219         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
15220         (_m_pextrw): Ditto.
15221         (_mm_insert_pi16): Ditto.
15222         (_m_pinsrw): Ditto.
15223         (_mm_shuffle_pi16): Ditto.
15224         (_m_pshufw): Ditto.
15225         (_mm_shufle_ps): Ditto.
15226         (_mm_prefetch): Ditto.
15227
15228 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
15229
15230         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
15231         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
15232         * real.c (encode_i370_single, decode_i370_single,
15233         encode_i370_double, decode_i370_double): Functions removed.
15234         (i370_single_format, i370_double_format): Initializations removed.
15235         (real_maxval, round_for_format, exact_real_truncate, significand_size):
15236         Consider the log2_b field to always be one.
15237         (ieee_single_format, mips_single_format, coldfire_single_format,
15238         ieee_double_format, mips_double_format, coldfire_double_format,
15239         ieee_extended_motorola_format, ieee_extended_intel_96_format,
15240         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
15241         ibm_extended_format, mips_extended_format, ieee_quad_format,
15242         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
15243         decimal_single_format, decimal_double_format, decimal_quad_format,
15244         c4x_single_format, c4x_extended_format, real_internal_format): Remove
15245         initialization of log2_b.
15246         * real.h (i370_single_format, i370_double_format): Declarations
15247         removed.
15248         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
15249         field to always be one.
15250
15251 2007-05-21  Andreas Schwab  <schwab@suse.de>
15252
15253         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
15254         NOTE_INSN_BASIC_BLOCK_P.
15255         (process_for_unwind_directive): Likewise.
15256
15257 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
15258
15259         * builtins.c (expand_builtin_setjmp_setup): Update comment.
15260         * function.h (struct function): Move va_list_gpr_size,
15261         va_list_fpr_size, function_frequency to front of bitfields.  Add
15262         calls_unwind_init.
15263         (current_function_calls_unwind_init): New.
15264         * except.c (expand_builtin_unwind_init): Set
15265         current_function_calls_unwind_init not
15266         current_function_has_nonlocal_label.
15267         * reload1.c (has_nonexceptional_receiver): New.
15268         (reload): Use it and current_function_calls_unwind_init to
15269         determine whether call-saved regs must be saved.
15270
15271 2007-05-20  Jan Hubicka  <jh@suse.cz>
15272
15273         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
15274         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15275         * ddg.c (create_ddg): LIkewise.
15276         * final.c (final): Remove hunk moving line number notes around since
15277         they are no longer present at this stage.
15278         (final_scan_insn): Use NOTE_KIND instead of
15279         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15280         (output_asm_label): Likewise.
15281         * reorg.c (dbr_schedule): Likewise.
15282         * haifa-sched.c (unlink_other_notes): Likewise.
15283         * mode-switching.c (optimize_mode_switching): Likewise.
15284         * graph.c (start_bb): Likewise.
15285         * rtl.def (NOTE): Update description.
15286         * jump.c (squeeze_notes): Delete.
15287         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
15288         NOTE_INSN_BASIC_BLOCK_P when possible.
15289         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
15290         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
15291         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15292         (dwarf2out_var_location): Likewise.
15293         * cfgbuild.c (make_edges): Likewise.
15294         (find_basic_blocks_1): Likewise.
15295         * function.c (reorder_blocks_1): Likewise.
15296         (epilogue_done): Likewise.
15297         (reposition_prologue_and_epilogue_notes): Likewise.
15298         * print-rtl.c (print_rtx): Likewise; drop code for printing
15299         line number notes.
15300         (print_rtl): Likewise.
15301         (print_rtl_single): Likewise.
15302         * gcse.c (insert_insn_start_bb): Likewise.
15303         * alias.c (init_alias_analysis): Likewise.
15304         * calls.c (fixup_tail_calls): Likewise.
15305         * except.c (sjlj_emit_function_enter): Likewise.
15306         * emit-rtl.c (add_insn_after): Likeiwse.
15307         (emit_label_before): Likewise.
15308         (emit_label_after): Likewise.
15309         (emit_note_before, emit_note_after, emit_note): Update
15310         parameter to be enum insn_note; do not deal with source
15311         files.
15312         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
15313         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
15314         when possible.
15315         (merge_blocks_move_successor_nojumps): Simplify now when
15316         we don't have BLOCK notes.
15317         (try_optimize_cfg): Likewise.
15318         * cfglayout.c (skip_insns_after_block): Likewise.
15319         (record_effective_endpoints): Likewise.
15320         (duplicate_insn_chain): Likewise.
15321         * varasm.c (output_constant_pool_1): Likewise.
15322         * sched-deps.c (sched_analyze): Likewise.
15323         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
15324         Exterminate.
15325         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
15326         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
15327         (SET_INSN_DELETED): Simplify.
15328         (NOTE_LINE_NUMBER): Exterminate.
15329         (NOTE_LINE_KIND): New.
15330         (NOTE_INSN_BASIC_BLOCK_P): Update.
15331         (enum insn_note): Simplify.
15332         (GET_NOTE_INSN_NAME) Simplify.
15333         (emit_note_before, emit_note_after, emit_note): Update prototype.
15334         (squeeze_notes): Remove.
15335         * sched-int.h (NOTE_NOT_BB_P): Update.
15336         * resource.c (mark_target_live_regs): Update.
15337         * sched-rgn.c (debug_dependencies): Update.
15338         * sched-vis.c (print_insn): Update.
15339         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
15340         * config/i386/i386.c (ix86_output_function_epilogue): Update.
15341         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
15342         (TARGET_ADJUST_UNROLL_MAX): Likewise.
15343         (split_branches): Update.
15344         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
15345         4.0.0.
15346         (sh_adjust_unroll_max): Exterminate.
15347         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
15348         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
15349         (m68hc11_reorg): Likewise.
15350         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
15351         (emit_predicate_relation_info): Update.
15352         (process_for_unwind_directive): Update.
15353         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
15354         (output_call): Update.
15355         * config/pa/pa.c (output_lbranch): Update.
15356         (output_millicode_call): Update.
15357         (output_call): Update.
15358         (pa_combine_instructions): Update.
15359         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
15360         * config/bfin/bfin.c (gen_one_bundle): Update.
15361         * cfgrtl.c (can_delete_note_p): Update.
15362         (delete_insn): Update.
15363         (rtl_merge_blocks): Update.
15364         (commit_one_edge_insertion): Update.
15365         (rtl_verify_flow_info): Update.
15366         * stmt.c (expand_case): Do not call squeeze_notes.
15367
15368 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15369
15370         PR middle-end/7651
15371         PR c++/11856
15372         PR c/12963
15373         PR c/23587
15374         PR other/29694
15375         * c.opt (Wtype-limits): New.
15376         * doc/invoke.texi (Wtype-limits): Document it.
15377         (Wextra): Enabled by -Wextra.
15378         * c-opts.c (c_common_post_options): Enabled by -Wextra.
15379         * c-common.c (shorten_compare): Warn with Wtype-limits.
15380
15381 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15382
15383         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
15384         inlined function, not as a macro.
15385         (_mm_alignr_pi8): Ditto.
15386         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15387         (_mm_inserti_si64): Ditto.
15388         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15389         (_mm_extract_epi16): Ditto.
15390         (_mm_insert_epi16): Ditto.
15391         (_mm_shufflehi_epi16): Ditto.
15392         (_mm_shufflelo_epi16): Ditto.
15393         (_mm_shuffle_epi32): Ditto.
15394         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
15395         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
15396         all functions.
15397         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
15398         float constant.
15399         (_m_to_float): Use C89 compatible assignment.
15400
15401 2007-05-20  Martin Michlmayr  <tbm@cyrius.com>
15402
15403         PR target/32007
15404         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
15405
15406 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15407
15408         PR middle-end/7651
15409         * doc/invoke.texi (Wreturn-type): Complete description.
15410         (Wextra): Delete item about return-type warning.
15411         * c-decl.c: Delete redundant Wextra warning.
15412
15413 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15414
15415         PR target/31585
15416         * config/i386/pmmintrin.h: Do not include xmmintrin.h
15417         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
15418         inlined function, not as a macro.
15419         (_mm_prefetch): Ditto.
15420         (_m_pextrw): Ditto.
15421         (_mm_insert_pi16): Ditto.
15422         (_m_pinsrw): Ditto.
15423         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
15424         (_m_pshufw): Ditto. Add const to __N argument.
15425         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
15426         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
15427         (_mm_slli_epi32): Ditto.
15428         (_mm_srli_si128): Implement as always inlined function, not as a
15429         macro.  Add __inline to function declaration.
15430         (_mm_slli_si128): Ditto.
15431
15432 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
15433
15434         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
15435         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
15436         New constants.
15437         (struct fenv): New structure.
15438         (FP_HANDLE_EXCEPTIONS): New define.
15439         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
15440         (_FP_DECL_EXP): New define.
15441         (FP_INIT_ROUNDMODE): New define.
15442         (FP_ROUNDMODE): New define.
15443
15444 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15445
15446         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
15447         (Wconversion): Update description.
15448         (Wconversion-sign): New.
15449         * c.opt (Wconversion-sign): New.
15450         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
15451         means disabled for C++. Otherwise, take the status of Wconversion.
15452         * c-common.c (conversion_warning): Warn with either Wconversion or
15453         Wconversion-sign.
15454         (warnings_for_convert_and_check): Conditions are already checked by
15455         conversion_warning.
15456         (convert_and_check): Don't check warnings if the conversion failed.
15457
15458 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
15459            Anatoly Sokolov <aesok@dol.ru>
15460
15461         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
15462         avr_epilogue_uses) : Add declaration.
15463         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
15464         * config/avr/constraints.md (R): New constraint.
15465         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
15466         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
15467         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
15468         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
15469         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
15470         call_prologue_saves, epilogue_restores, return_from_epilogue,
15471         return_from_main_epilogue, return_from_interrupt_epilogue,
15472         return_from_naked_epilogue, prologue, epilogue): New patterns.
15473         (jump): Handle symbol reference.
15474         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
15475         avr_output_function_prologue, avr_output_function_epilogue): Remove
15476         functions.
15477         (avr_init_machine_status, expand_prologue, expand_epilogue,
15478         avr_asm_function_end_prologue, avr_epilogue_uses,
15479         avr_asm_function_begin_epilogue): New functions.
15480         (prologue_size, epilogue_size, jump_tables_size): Remove global
15481         variables.
15482         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
15483         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
15484         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
15485         (avr_override_options): Initialise init_machine_status.
15486         (output_movhi): Handle all stack pointer loads.
15487         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
15488         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
15489         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
15490         (EPILOGUE_USES) Redefine.
15491         (machine_function) Declare.
15492
15493 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
15494
15495         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
15496         Use a single return statement.
15497
15498 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15499
15500         PR middle-end/30250
15501         * builtins.c (do_mpfr_lgamma_r): New.
15502         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
15503         * tree.h (CASE_FLT_FN_REENT): New.
15504
15505 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
15506
15507         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
15508         (output_die): Use 'unsigned long' with %x.
15509         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
15510         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
15511         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
15512
15513         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
15514
15515 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
15516
15517         PR target/31989
15518         PR target/31681
15519         PR target/31666
15520         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
15521         true if function has no argument.
15522
15523 2007-05-18  DJ Delorie  <dj@redhat.com>
15524
15525         * config/mips/mips.c (mips_offset_within_alignment_p): New.
15526         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
15527
15528 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15529
15530         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
15531         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
15532         count_trailing_zeros.
15533         (__i386__): Implement count_leading_zeros using __builtin_clz().
15534         Implement count_trailing_zeros usign __builtin_ctz().
15535
15536 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
15537
15538         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
15539
15540 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15541
15542         PR middle-end/31344
15543         * expr.c (emit_move_change_mode): Change mode of push operands here.
15544
15545 2007-05-17  Ian Lance Taylor  <iant@google.com>
15546
15547         PR tree-optimization/31953
15548         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
15549         Change all callers.
15550         (set_value_range_to_null): Call set_value_range_to_value.
15551         (extract_range_from_comparison): Likewise.
15552
15553 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15554
15555         * toplev.c (print_version): Output GMP/MPFR version info.
15556
15557         * builtins.c (CASE_MATHFN_REENT): New macro.
15558         (mathfn_built_in): Use it.
15559         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
15560         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
15561         BUILT_IN_LGAMMAL_R): New.
15562         * doc/extend.texi: Document new builtins.
15563
15564         PR middle-end/31796
15565         * builtins.c (do_mpfr_remquo): New.
15566         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
15567         (fold_builtin_3): Handle BUILT_IN_REMQUO.
15568
15569         PR middle-end/30251
15570         * builtins.c (fold_builtin_1): Handle y0, y1.
15571         (fold_builtin_2): Handle yn.
15572
15573         PR middle-end/30251
15574         * builtins.c (do_mpfr_bessel_n): New.
15575         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
15576         (fold_builtin_2): Handle BUILT_IN_JN.
15577
15578 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
15579
15580         PR target/31965
15581         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
15582         TYPE_PRECISION (intmax_type_node).
15583
15584 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
15585
15586         PR target/31850
15587         * reload.c (subst_reloads): Remove checking.
15588
15589 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
15590
15591         PR rtl-optimization/31691
15592         * combine.c (simplify_set): Build a new src pattern instead of
15593         substituting its operands in the COMPARE case.
15594
15595 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
15596
15597         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
15598         (execute_vrp): Preserve loops through jump threading.
15599         * tree-ssa-threadupdate.c (thread_single_edge,
15600         dbds_continue_enumeration_p, determine_bb_domination_status,
15601         thread_through_loop_header): New functions.
15602         (create_edge_and_update_destination_phis,
15603         create_edge_and_update_destination_phis): Set loops for the new blocks.
15604         (prune_undesirable_thread_requests): Removed.
15605         (redirect_edges): Do not pretend that redirect_edge_and_branch can
15606         create new blocks.
15607         (thread_block): Do not call prune_undesirable_thread_requests.
15608         Update loops.
15609         (mark_threaded_blocks): Select edges to thread here.
15610         (thread_through_all_blocks): Take may_peel_loop_headers argument.
15611         Thread edges through loop headers independently.
15612         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
15613         * tree-pass.h (TODO_mark_first_instance): New.
15614         (first_pass_instance): Declare.
15615         * cfghooks.c (duplicate_block): Put the block to the original loop
15616         if copy is not specified.
15617         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
15618         jump threading.  Pass may_peel_loop_headers to
15619         thread_through_all_blocks according to first_pass_instance.
15620         * cfgloop.h (create_preheader): Declare.
15621         * tree-flow.h (thread_through_all_blocks): Declaration changed.
15622         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
15623         * passes.c (first_pass_instance): New variable.
15624         (next_pass_1): Set TODO_mark_first_instance.
15625         (execute_todo): Set first_pass_instance.
15626
15627 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
15628
15629         PR tree-optimization/24659
15630         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
15631         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
15632         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
15633         OTI_vec_pack_ufix_trunc.
15634         (vec_unpacks_float_hi_optab): Define new macro.
15635         (vec_unpacks_float_lo_optab): Ditto.
15636         (vec_unpacku_float_hi_optab): Ditto.
15637         (vec_unpacku_float_lo_optab): Ditto.
15638         (vec_pack_sfix_trunc_optab): Ditto.
15639         (vec_pack_ufix_trunc_optab): Ditto.
15640         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
15641         and vec_pack_[s|u]fix_trunc_optab using
15642         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
15643         * tree-vectorizer.c (supportable_widening_operation): Handle
15644         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
15645         (supportable_narrowing_operation): New function.
15646         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
15647         * tree-vect-transform.c (vectorizable_conversion): Handle
15648         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
15649         (vect_gen_widened_results_half): Move before vectorizable_conversion.
15650         (vectorizable_type_demotion): Call supportable_narrowing_operation()
15651         to check for target support.
15652         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
15653         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
15654         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
15655         for VEC_PACK_FIX_TRUNC_EXPR.
15656         (expand_binop): Special case mode of the result for
15657         vec_pack_[u|s]fix_trunc_optab.
15658         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
15659         vec_pack_[u|s]fix_trunc_optab.
15660
15661         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
15662         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
15663         * tree-pretty-print.c (dump_generic_node): Handle
15664         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
15665         VEC_PACK_FIX_TRUNC_EXPR.
15666         (op_prio): Ditto.
15667         * expr.c (expand_expr_real_1): Ditto.
15668         * tree-inline.c (estimate_num_insns_1): Ditto.
15669         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
15670
15671         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
15672         (vec_unpacks_float_lo_v8hi): Ditto.
15673         (vec_unpacku_float_hi_v8hi): Ditto.
15674         (vec_unpacku_float_lo_v8hi): Ditto.
15675         (vec_unpacks_float_hi_v4si): Ditto.
15676         (vec_unpacks_float_lo_v4si): Ditto.
15677         (vec_pack_sfix_trunc_v2df): Ditto.
15678
15679         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
15680         Document.
15681         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
15682         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
15683         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
15684         [vec_pack_ufix_trunc]: Ditto.
15685         [vec_unpacks_float_hi]: Ditto.
15686         [vec_unpacks_float_lo]: Ditto.
15687         [vec_unpacku_float_hi]: Ditto.
15688         [vec_unpacku_float_lo]: Ditto.
15689
15690 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
15691
15692         * soft-fp/README: Update for new files.
15693         * soft-fp/floattisf.c: New file.
15694         * soft-fp/floattidf.c: New file.
15695         * soft-fp/floattitf.c: New file.
15696         * soft-fp/floatuntisf.c: New file.
15697         * soft-fp/floatuntidf.c: New file.
15698         * soft-fp/floatuntitf.c: New file.
15699         * soft-fp/fixsfti.c: New file.
15700         * soft-fp/fixdfti.c: New file.
15701         * soft-fp/fixtfti.c: New file.
15702         * soft-fp/fixunssfti.c: New file.
15703         * soft-fp/fixunsdfti.c: New file.
15704         * soft-fp/fixunstfti.c: New file.
15705         * soft-fp/extendxftf.c: New file.
15706         * soft-fp/trunctfxf.c: New file.
15707
15708         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
15709         (__trunctfxf2): Ditto.
15710
15711         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
15712         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
15713         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
15714         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
15715         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
15716         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
15717
15718         * config/i386/t-fprules-softfp64: New file.
15719         * config/i386/sfp-machine.h: New file.
15720         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
15721         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
15722         and soft-fp/t-softfp to tmake_file.
15723         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
15724         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
15725
15726         * config/i386/t-linux64 (softfp_wrap_start): New.
15727         (softfp_wrap_end): New.
15728         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
15729         supported for TARGET_64BIT.
15730
15731 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
15732
15733         * c-common.c (c_common_signed_or_unsigned_type): Emulate
15734         c_common_unsigned_type behavior.
15735
15736 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
15737
15738         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
15739         calls as pure.
15740
15741 2007-05-16  Eric Christopher  <echristo@apple.com>
15742
15743         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
15744         saving after stack push. Set sp_offset whenever we push.
15745         (rs6000_emit_epilogue): Move altivec register restore before
15746         stack push.
15747
15748 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15749
15750         * configure.ac: Allow sysroots to be relocated under $prefix as
15751         well as $exec_prefix.
15752         * configure: Regenerate.
15753
15754 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15755
15756         Revert:
15757
15758         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15759
15760         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15761         (gcc_tooldir): Likewise.
15762         * configure: Regenerate.
15763         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15764         old configure.ac gcc_tooldir setting.
15765         (prefix_to_exec_prefix): New variable.
15766         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15767         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15768
15769 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
15770
15771         * c-typeck.c (build_binary_op): Return early for error.
15772
15773 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
15774
15775         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
15776         struct nb_iter_bound.
15777         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
15778         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
15779         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
15780         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
15781         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
15782         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
15783         (del_scev_info): Use ggc_free.
15784         (scev_initialize): Allocate scalar_evolution_info in gc memory.
15785         * loop-init.c: Include ggc.h.
15786         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
15787         (loop_optimizer_finalize): Use ggc_free.
15788         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
15789         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
15790         pass_iv_optimize): Add TODO_ggc_collect.
15791         * function.h (struct function): Remove skip marker from
15792         x_current_loops.
15793         * cfgloop.c: Include ggc.h.
15794         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
15795         memory.
15796         (establish_preds): Vector superloops is gc allocated.
15797         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
15798         loop->exits list.
15799         (flow_loops_find): Vector larray is gc allocated.
15800         (loop_exit_free): Use ggc_free.
15801         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
15802         that head of exits list is now not a part of struct loop.
15803         (record_loop_exits): Allocate exits table in gc memory.
15804         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
15805         that head of exits list is now not a part of struct loop.
15806         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
15807         struct loop_exit): Add GTY marker.
15808         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
15809         Add skip marker to aux field.  Make head of exits list a separate
15810         object.
15811         (struct loops): Add GTY marker.  Make larray vector gc allocated.
15812         Add param marker to exits table.
15813         (get_loops): Type changed.
15814         * Makefile.in (tree-scalar-evolution.o): Add
15815         gt-tree-scalar-evolution.h dependency.
15816         (cfgloop.o, loop-init.o): Add ggc.h dependency.
15817         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
15818         * basic-block.h (struct basic_block_def): Remove skip marker from
15819         loop_father field.
15820
15821 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
15822
15823         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
15824         of 0 in the call to expand_expr().
15825         (expand_builtin_mathfn_3): Ditto.
15826         (expand_builtin_interclass_mathfn): Ditto.
15827         (expand_builtin_cexpi): Ditto.
15828         (expand_builtin_int_roundingfn): Ditto.
15829         (expand_builtin_int_roundingfn_2): Ditto.
15830         (expand_builtin_pow): Ditto.
15831         (expand_builtin_powi): Ditto.
15832         (expand_builtin_bswap): Ditto.
15833         (expand_builtin_unop): Ditto.
15834         (expand_builtin_fabs): Ditto.
15835         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
15836         the call to expand_expr().
15837         (expand_builtin_sync_operation): Ditto.
15838         (expand_builtin_compare_and_swap): Ditto.
15839         (expand_builtin_lock_test_and_set): Ditto.
15840         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
15841         instead of 0 in the call to expand_expr().
15842         (expand_builtin_extract_return_addr): Ditto.
15843         (expand_builtin_eh_return): Ditto.
15844         (expand_eh_return): Ditto.
15845         * explow.c (expr_size): Ditto.
15846         * expr.c (optimize_bitfield_assignment_op): Ditto.
15847         (expand_assignement): Ditto.
15848         (store_expr): Ditto.
15849         (store_field): Ditto.
15850         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
15851         the call to expand_expr().
15852         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
15853         in the call to expand_expr().
15854         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
15855         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
15856         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
15857         of expand_expr().
15858         * optabs.c (expand_vec_shift_expr): Ditto.
15859         (expand_vec_cond_expr): Ditto.
15860         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
15861         call to expand_expr().
15862         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
15863         in the call to expand_expr().
15864
15865 2007-05-14  Dave Korn  <dave.korn@artimi.com>
15866
15867         * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
15868
15869 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
15870
15871         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
15872         instead of c_common_unsigned_type.
15873         (c_common_unsigned_type): Remove.
15874         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
15875         c_common_unsigned_type.
15876         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
15877         c_common_unsigned_type.
15878         * c-common.h (c_common_unsigned_type): Remove.
15879         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
15880         c_common_unsigned_type.
15881         * c-format.c (check_format_types): Use unsigned_type_for instead of
15882         c_common_unsigned_type.
15883         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15884         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
15885         of c_common_unsigned_type.
15886         * convert.c (convert_to_integer): Use unsigned_type_for instead of
15887         lang_hooks.types.unsigned_type.
15888         * expmed.c (make_tree): Use unsigned_type_for instead of
15889         lang_hooks.types.unsigned_type.
15890         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
15891         lang_hooks.types.unsigned_type.
15892         (build_range_check): Likewise.
15893         (fold_unary): Likewise.
15894         (fold_binary): Likewise.
15895         (fold_ternary): Likewise.
15896         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15897         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
15898         * tree.c (get_unsigned_type): New.
15899         (unsigned_type_for): Use get_unsigned_type instead of
15900         lang_hooks.types.unsigned_type.
15901
15902 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
15903
15904         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
15905         to m68k_get_function_kind.  Update its prototype.
15906         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
15907         interrupt_thread.
15908         (m68k_interrupt_function_p): Return enum m68k_function_type
15909         instead of bool.  Rename to m68k_get_function_kind.
15910         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
15911         target is not fido.
15912         (m68k_compute_frame_layout): Don't mark any register for save
15913         if an interrupt_thread attribute is specified.
15914         (m68k_hard_regno_rename_ok): Update a use of
15915         m68k_interrupt_function_p.
15916         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
15917         m68k_interrupt_function_p.
15918         (m68k_function_type): New.
15919         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
15920         for a function with an interrupt_thread attribute.
15921         * doc/extend.texi: Document the interrupt_thread attribute.
15922
15923 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
15924
15925         Fix PR tree-optimization/31911
15926         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
15927         if they didn't change the expression.
15928
15929 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
15930
15931         * tree-scalar-evolution.c (resolve_mixers): Exported.
15932         * tree-scalar-evolution.h (resolve_mixers): Declare.
15933         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
15934         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
15935         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
15936         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
15937         init_array_ref, init_pointer_ref, analyze_indirect_ref,
15938         strip_conversion, analyze_offset_expr, address_analysis,
15939         object_analysis, analyze_offset): Removed.
15940         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
15941         split_constant_offset, canonicalize_base_object_address,
15942         object_address_invariant_in_loop_p, disjoint_objects_p,
15943         dr_may_alias_p, dr_address_invariant_p): New functions.
15944         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
15945         and dr_analyze_alias.
15946         (initialize_data_dependence_relation): Use dr_may_alias_p
15947         and object_address_invariant_in_loop_p.
15948         (compute_self_dependence): Handle the case when
15949         DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
15950         (find_data_references_in_stmt): Restrict the analysis of data
15951         references to the given loop nest.
15952         (find_data_references_in_loop): Made static.  Pass loop nest to
15953         find_data_references_in_stmt.
15954         (compute_data_dependences_for_loop): Use DR_VOPS.
15955         (free_data_ref): Free DR_VOPS.
15956         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
15957         (struct innermost_loop_behavior): ... new.
15958         (struct base_object_info): Replaced by ...
15959         (struct indices): ... new.
15960         (struct dr_alias): New.
15961         (enum data_ref_type): Removed.
15962         (struct data_reference): Consist of struct innermost_loop_behavior,
15963         struct indices and struct dr_alias.
15964         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
15965         (DR_MEMTAG): Renamed to ...
15966         (DR_SYMBOL_TAG): ... this.
15967         (find_data_references_in_loop): Declaration removed.
15968         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
15969         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
15970         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
15971         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
15972
15973 2007-05-13  Revital Eres  <eres@il.ibm.com>
15974
15975         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
15976         which walks virtual def-use chains to find redundant stores.
15977         (dse_optimize_stmt): Call it.
15978
15979 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15980
15981         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
15982         * passes.c (init_optimization_passes): Move pass_jump_bypass
15983         after loop2.
15984
15985         * basic-block.h (bb_has_eh_pred): Fix style issue.
15986
15987 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15988
15989         PR rtl-optimization/31848
15990         * loop-invariant.c (move_invariant_reg): If we move an insn
15991         with a REG_EQUAL note, and that insn is not always executed,
15992         remove the REG_EQUAL note.
15993
15994 2007-05-12  Richard Guenther  <rguenther@suse.de>
15995
15996         PR tree-optimization/31797
15997         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
15998         propagate into a stmt that has volatile ops.
15999
16000 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
16001
16002         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
16003         (gcc_tooldir): Likewise.
16004         * configure: Regenerate.
16005         * Makefile.in (libsubdir_to_prefix): New variable, based on the
16006         old configure.ac gcc_tooldir setting.
16007         (prefix_to_exec_prefix): New variable.
16008         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
16009         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
16010
16011 2007-05-11  Silvius Rus  <rus@google.com>
16012
16013         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
16014         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
16015         * c-common.h (strict_aliasing_warning): Change return type.
16016         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
16017         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
16018         (build_c_cast): Condition call to strict_aliasing_warning.
16019         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
16020         * flags.h (set_Wstrict_aliasing): Declare.
16021         * opts.c (set_Wstrict_alising): Define, add call to.
16022         * tree-flow.h (strict_aliasing_warning_backend): Declare.
16023         * tree-ssa-alias-warnings.c: New file.
16024         * tree-ssa-alias.c (compute_may_aliases): Add call to
16025         strict_aliasing_warning_backend.
16026
16027 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
16028
16029         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
16030         Use loop_depth and loop_outer accessor functions.
16031         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
16032         determine_invariantness_stmt, move_computations_stmt): Ditto.
16033         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
16034         add_loop, loopify, unloop, fix_loop_structure): Ditto.
16035         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
16036         * tree-scalar-evolution.c (interpret_loop_phi,
16037         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
16038         instantiate_parameters_1, scev_const_prop): Ditto.
16039         * cfghooks.c (make_forwarder_block): Ditto.
16040         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
16041         * modulo-sched.c (loop_canon_p): Ditto.
16042         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
16043         slpeel_can_duplicate_loop_p): Ditto.
16044         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
16045         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
16046         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
16047         cancel_loop, verify_loop_structure): Ditto.
16048         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
16049         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
16050         superloops vector instead of "pred" array.
16051         (establish_preds): Take father loop as an argument.  Initialize the
16052         superloops vector.
16053         (flow_loop_tree_node_add): Pass father loop to establish_preds.
16054         Do not initialize loop->outer.
16055         (flow_loop_tree_node_remove): Truncate the superloops vector.
16056         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
16057         "pred" merged to "superloops" vector.
16058         (loop_depth, loop_outer): New.
16059         (fel_init): Use loop_outer.
16060
16061 2007-05-11  Jan Hubicka  <jh@suse.cz>
16062
16063         * cgraphunit.c: Include gt-cgraphunit.h
16064         (static_ctors, static_dtors): New static vars.
16065         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
16066         based on implementation in c-common.c
16067         (cgraph_finalize_function): Call record_cdtor_fn.
16068         (cgraph_optimize): Call cgraph_build_cdtor_fns.
16069         * decl.c (finish_function): Do not call c_record_cdtor_fn.
16070         (c_write_global_declarations): Do not call c_build_cdtor_fns.
16071         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
16072         build_cdtor, c_build_cdtor_fns): Remove.
16073         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
16074         c_build_cdtor_fns): Remove prototype.
16075
16076 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
16077
16078         PR other/31852
16079         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
16080         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
16081         * builtins.c (fold_builtin_memchr): New.
16082         (expand_builtin_memchr): Call the latter.
16083         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
16084         * doc/extend.texi ([Other built-in functions provided by GCC]):
16085         Document memchr.
16086
16087 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
16088
16089         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
16090         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
16091         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
16092         PFPO_OP1_TYPE_SHIFT): Constants added.
16093         (DFP_ALL): Mode macro defined.
16094         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
16095         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
16096         Insn definitions added.
16097         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
16098         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
16099         Expanders added.
16100
16101 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
16102
16103         PR tree-optimization/31885
16104         * tree-chrec.c (chrec_contains_undetermined): Do not consider
16105         NULL_TREE to be undetermined.
16106         (automatically_generated_chrec_p): Return false for NULL.
16107
16108 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
16109
16110         * config/bfin/bfin.h (MOVE_RATIO): Define.
16111
16112 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
16113
16114         * config.gcc (sparc-wrs-vxworks): New target.
16115         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
16116         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
16117         * config/sparc/sparc.h: Include vxworks-dummy.h.
16118         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
16119         include LABEL_REFs too.
16120         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
16121         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
16122         VxWorks.
16123         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
16124         on VxWorks.
16125         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
16126         (sparc_emit_call_insn): New function.
16127         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
16128         functions when generating VxWorks PIC.
16129         * config/sparc/sparc.md (vxworks_load_got): New pattern.
16130         (call, call_value): Use sparc_emit_call_insn instead of
16131         emit_call_insn.
16132
16133 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
16134
16135         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
16136
16137 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
16138
16139         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
16140         for floating-point values if HOST_BITS_PER_LONG > 32.  Use
16141         split_double instead of operand_subword.
16142
16143 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
16144
16145         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
16146         * config/bfin/bfin.c (bfin_local_alignment): New function.
16147         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
16148
16149 2007-05-08  Chao-ying Fu  <fu@mips.com>
16150
16151         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
16152         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
16153         (smsub_widen_optab, umsub_widen_optab): Define.
16154         * optabs.c (init_optabs): Initialize smsub_widen_optab and
16155         umsub_widen_optab.
16156         * genopinit.c (optabs): Fill in smsub_widen_optab and
16157         umsub_widen_optab.
16158         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
16159         and umsub_widen_optab to implement multiply-subtract sequences.
16160         * config/mips/mips.md (*msac<u>_di): Rename to...
16161         (<u>msubsidi4): ...this.  Extend condition to include
16162         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
16163         of operand 0 to "ka" and use the three-operand form of msub<u>
16164         for TARGET_DSPR2.
16165         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
16166         to define_expands.
16167
16168 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
16169
16170         PR rtl-optimization/28011
16171         * reload.c (push_reload): Set dont_share if IN appears in OUT
16172         also when IN is a PLUS rtx.
16173         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
16174         are same PLUS rtx.
16175
16176 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
16177
16178         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
16179         call unshare_all_decls.
16180         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
16181         (unshare_all_decls): Remove.
16182
16183 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
16184
16185         PR 31847
16186         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
16187         dumps.
16188
16189 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
16190             Nigel Stephens  <nigel@mips.com>
16191
16192         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
16193         Update comments and all uses.
16194         (MIN_FPRS_PER_FMT): Define.
16195         * config/mips/mips.c (function_arg): Fix to correctly handle
16196         the -mips32r2 -mfp64 -mabi=32 case.
16197         (override_options): Enable use of odd-numbered registers for
16198         SFmode values on MIPS32.
16199         (mips_save_reg_p): Save whole floating-point register pair if
16200         either half is used.
16201         (compute_frame_size): Fix comment.
16202
16203 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
16204
16205         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
16206         argument of type bool.
16207         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
16208         argument. Safely select temporary P register according to it.
16209         (do_link): Change call site of add_to_reg accordingly.
16210         (do_unlink): Add epilogue_p as a fourth argument and pass it
16211         to add_to_reg.
16212         (expand_interrupt_handler_epilogue): Change call of do_unlink
16213         accordingly.
16214         (bfin_expand_prologue): Add a third argument sibcall_p.
16215         * config/bfin/bfin.md (epilogue): Change call of
16216         bfin_expand_epilogue accordingly.
16217         (sibcall_epilogue): Likewise.
16218         (eh_return_internal): Likewise.
16219
16220         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
16221         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
16222         * config/bfin/bfin.c (bfin_handle_option): Handle
16223         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
16224         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
16225         Support bf534, bf536 and bf561.
16226         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
16227
16228 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
16229
16230         PR target/31854
16231         * config/i386/i386.c (ix86_function_regparm): Process local
16232         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
16233
16234 2007-05-07  Mike Stump  <mrs@apple.com>
16235
16236         * doc/invoke.texi (Warning Options): Document that -Wempty-body
16237         also checks for and while statements in C++.
16238
16239 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
16240
16241         * gcc.c (at_file_supplied): New variable.
16242         (main): Set it if we expanded argv.
16243         (do_spec_1): Pass an @-file to the linker if we were called with
16244         an @-file argument and HAVE_GNU_LD.
16245         * collect2.c (at_file_supplied): New variable.
16246         (response_file): New variable.
16247         (collect_exit): Unlink response_file if necessary.
16248         (handler): Likewise.
16249         (do_wait): Likewise.
16250         (main): Set at_file_supplied if we expanded argv.
16251         (collect_execute): Pass an @-file to subprocesses if we were called
16252         with an @-file argument.
16253         * configure.ac: Add define for HAVE_GNU_LD.
16254         * configure: Regenerate.
16255         * config.in: Regenerate.
16256
16257 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
16258
16259         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
16260         operand to HI mode.
16261         (mulsi3): New.
16262         (divsi3): New.
16263         (udivsi3): New.
16264
16265 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
16266
16267         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
16268         (TARGET_ENCODE_SECTION_INFO): Re-define.
16269         (m32c_encode_section_info): New
16270         (function_vector_handler): New
16271         (current_function_special_page_vector): New
16272         (m32c_special_page_vector_p): New.
16273         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
16274         Prototype.
16275         * config/m32c/jump.md: Added instruction JSRS for functions
16276         with attribute "function_vector".
16277         * doc/extend.texi (function_vector): Added description
16278         for M16C, M32C targets.
16279
16280 2007-05-07  DJ Delorie  <dj@redhat.com>
16281
16282         PR 31794
16283         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
16284         ashrpsi3, lshrpsi3): Update shift count constraint.
16285
16286 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
16287             Nathan Froyd  <froydnj@codesourcery.com>
16288
16289         PR 22133
16290         * c-incpath.c (add_path): Strip trailing path separators.
16291
16292 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
16293
16294         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
16295         Free dominance info before purging EH edges.
16296         (eliminate_degenerate_phis): Likewise.
16297         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
16298
16299 2007-05-07  Jan Hubicka  <jh@suse.cz>
16300
16301         * gimplify.c (gimplify_expr): Do not crash when folding
16302         (void *)(int)&a + 4.
16303
16304 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
16305
16306         PR driver/31694
16307         * c-opts.c (lang_fortran): Make it non static.
16308         * c-common.h (lang_fortran): New prototype.
16309         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
16310         -lang-fortran option was passed by the driver.
16311
16312 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
16313
16314         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
16315         of ASSERT_CHECKING.  Tweak message.
16316
16317 2007-05-06  Revital Eres  <eres@il.ibm.com>
16318
16319         PR 30957
16320         * loop-unroll.c (insert_var_expansion_initialization):
16321         Initialize the expansions with -zero instead of +zero.
16322
16323 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
16324
16325         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
16326         into pic and non-pic versions. Mark r19 as used for
16327         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
16328         for tgd_load, tld_load and tie_load .
16329         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
16330         version of tgd_load, tld_load and tie_load depending on the
16331         value of flag_pic.
16332
16333 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
16334             Jakub Jelinek  <jakub@redhat.com>
16335
16336         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
16337         (__do_global_dtors_aux): Use more paranoid loop to run
16338         destructors if HIDDEN_DTOR_LIST_END.
16339         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
16340
16341 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
16342
16343         * varasm.c (align_variable): Don't increase alignment for
16344         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
16345         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
16346
16347 2007-05-04  Josh Conner  <jconner@apple.com>
16348
16349         * basic-block.h (cdi_direction): Assign values to all enumeration
16350         constants.
16351         (dom_computed): Remove.
16352         (dom_info_state): New.
16353         (set_dom_info_availability): New.
16354         * tree-ssa-loop-im.c (determine_invariantness): Initialize
16355         walk_data.dom_direction.
16356         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
16357         instead of dom_computed[].
16358         (split_edge): Likewise.
16359         (create_basic_block): Likewise.
16360         (merge_blocks): Likewise.
16361         * ifcvt.c (find_if_header): Likewise.
16362         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
16363         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16364         * tree-ssa.c (verify_ssa): Likewise.
16365         * tree-cfg.c (tree_verify_flow_info): Likewise.
16366         (remove_edge_and_dominated_blocks): Likewise.
16367         * dominance.c (dom_computed): Make static.
16368         (calc_dfs_tree_nonrec): Change third param to a bool.
16369         (calc_dfs_tree): Change second param to a bool.
16370         (calc_idioms): Change second param to a bool.  Use
16371         dom_convert_dir_to_idx.
16372         (init_dom_info): Validate dir before using.
16373         (dom_convert_dir_to_idx): New.
16374         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
16375         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
16376         (free_dominance_info): Use dom_convert_dir_to_idx.
16377         (get_immediate_dominator): Likewise.
16378         (set_immediate_dominator): Likewise.
16379         (get_dominated_by): Likewise.
16380         (redirect_immediate_dominators): Likewise.
16381         (nearest_common_denominator): Likewise.
16382         (dominated_by_p): Likewise.
16383         (bb_dom_dfs_in): Likewise.
16384         (bb_dom_dfs_out): Likewise.
16385         (recount_dominator): Likewise.
16386         (iterate_fix_dominators): Likewise.
16387         (add_to_dominance_info): Likewise.
16388         (delete_from_dominance_info): Likewise.
16389         (first_dom_son): Likewise.
16390         (next_dom_son): Likewise.
16391         (dom_info_available_p): Likewise.
16392         (dom_info_state): New.
16393         (set_dom_info_availability): New.
16394
16395 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16396
16397         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
16398         Expander removed.
16399         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
16400
16401 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
16402
16403         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
16404         (subdi3, subdi_carry): Delete.
16405
16406 2007-05-04  Jan Hubicka  <jh@suse.cz>
16407             Richard Guenther  <rguenther@suse.de>
16408
16409         * opts.c (decode_options): Do not fiddle with inlining
16410         parameters in case of optimizing for size.
16411         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
16412         for size do nothing.
16413         (cgraph_decide_inlining_of_small_function): When optimizing for
16414         size never inline functions increasing caller size.
16415         (cgraph_early_inlining): Inline for size when optimizing for size.
16416
16417 2007-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
16418
16419         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
16420         logical operations piecewise.
16421         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
16422         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
16423         subdi_sesidi_di): Delete.
16424         (add_with_carry): Produce carry in CC instead of a DREG to shorten
16425         the generated sequence.  Allow three-reg add in constraints.  Rewrite
16426         the rtl expression for carry to avoid zero_extend of a constant.
16427         (sub_with_carry): New pattern.
16428         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
16429         different sequence not involving jumps.
16430         (notbi): Now a named pattern.
16431
16432 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
16433
16434         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
16435         Add the note about a significant loss of accuracy of some
16436         mathematical routines when these options are used.
16437
16438 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16439
16440         * haifa-sched.c (rtx_vec_t): New typedef.
16441         (contributes_to_priority_p): Extract piece of priority () into new
16442         static function.
16443         (priority): Use the function.  Add assertion.
16444         (rank_for_schedule, set_priorities): Add assertion to check that
16445         insn's priority is initialized.
16446         (clear_priorities, calc_priorities): Change signature.  Make it update
16447         all relevant insns.  Update all callers ('add_to_speculative_block ()'
16448         and 'create_block_check_twin ()').
16449         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
16450         Add new field 'priority_status'.
16451         (INSN_PRIORITY_STATUS): New macro.
16452         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
16453
16454 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16455
16456         * sched-ebb.c (debug_ebb_dependencies): New static function.
16457         (init_ready_list): Use it.
16458
16459         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
16460         with changed signature and 'debug_rgn_dependencies ()'.
16461         (debug_rgn_dependencies): New static function.
16462         (init_ready_list): Use it.
16463
16464         * sched-int.h (debug_dependencies): Declare.
16465
16466 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16467
16468         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
16469
16470 2007-05-04  Dirk Mueller  <dmueller@suse.de>
16471
16472         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
16473
16474 2007-05-03  Jan Hubicka  <jh@suse.cz>
16475
16476         * fold-const.c (fold_unary): Convert (T1)(X op Y) into
16477         ((T1)X op (T1)Y), for pointer type in more cases than before.
16478
16479         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
16480
16481         * tree-object-size.c (plus_expr_object_size): When operand size is
16482         unknown, return unknown.
16483
16484 2007-05-03  Dirk Mueller  <dmueller@suse.de>
16485
16486         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
16487
16488         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
16489         options.
16490
16491         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
16492
16493 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
16494
16495         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
16496
16497 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
16498
16499         * config/soft-fp/double.h, config/soft-fp/extended.h,
16500         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
16501         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
16502         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
16503         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
16504         glibc CVS.
16505
16506 2007-05-03  Ian Lance Taylor  <iant@google.com>
16507
16508         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
16509         MASK_PPC_GFXOPT for 8540 or 8548.
16510
16511 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16512
16513         * tree-vect-transform.c (vect_update_inits_of_drs): Use
16514         vect_print_dump_info() to output debug information.
16515
16516 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16517
16518         PR target/31768
16519         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
16520         operands of size 2 when operand is not MEM_P.
16521
16522 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16523
16524         PR tree-optimization/30565
16525         * lambda-code.c (perfect_nestify): Fix updating of dominators.
16526
16527 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
16528
16529         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
16530         (umulsi3_highpart): Use them.
16531         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
16532         for final accumulator to D regisster tranfser.
16533
16534 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
16535
16536         PR tree-optimization/31699
16537         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
16538         wrong code.
16539         (vect_enhance_data_refs_alignment): Compute peel amount using
16540         TYPE_VECTOR_SUBPARTS instead of vf.
16541         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
16542
16543 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
16544
16545         PR bootstrap/31776
16546         * system.h: Remove inclusion of double-int.h
16547         * tree.h: Include double-int.h
16548         * gengtype.c: Likewise
16549         * cfgloop.h: Likewise
16550         * Makefile.in: Adjust dependencies on double-int.h
16551
16552 2007-05-02  Eric Christopher  <echristo@apple.com>
16553
16554         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
16555         -shared to -Zdynamiclib.
16556
16557 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
16558
16559         PR c++/31663
16560         * c-common.c (strip_pointer_or_array_types): New function.
16561         * c-common.h (strip_pointer_or_array_types): New function declaration.
16562
16563 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16564
16565         PR tree-optimization/31771
16566         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
16567
16568 2007-05-02  Paul Brook  <paul@codesourcery.com>
16569
16570         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
16571
16572 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16573
16574         PR middle-end/29715
16575         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
16576         transformation.
16577
16578 2007-05-02  Nick Clifton  <nickc@redhat.com>
16579
16580         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
16581
16582 2007-05-02  Richard Guenther  <rguenther@suse.de>
16583
16584         PR tree-optimization/31146
16585         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
16586         argument, single_use_p.  If we have a single use that is
16587         a conversion to the definition rhs type, propagate that rhs.
16588         (forward_propagate_addr_expr): Pass single_use_p argument
16589         to forward_propagate_addr_expr_1.
16590
16591 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
16592
16593         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
16594         variable.
16595
16596 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16597
16598         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
16599         'AMD Family 10 core'.
16600
16601 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16602
16603         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
16604         and athlon64-sse3 as improved versions of k8, opteron and athlon64
16605         with SSE3 instruction set support.
16606         * doc/invoke.texi: Likewise.
16607
16608 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16609
16610         * config/i386/i386.c (override_options): Tuning 32-byte loop
16611         alignment for amdfam10 architecture. Increasing the max loop
16612         alignment to 24 bytes.
16613
16614 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
16615
16616         * config/m68k/constraints.md: New.
16617         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
16618         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
16619         EXTRA_CONSTRAINT): Remove.
16620         * config/m68k/m68k.md: Include constraints.md.
16621         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
16622
16623 2007-05-01  Ian Lance Taylor  <iant@google.com>
16624
16625         PR tree-optimization/31739
16626         * tree-vrp.c (vrp_val_is_max): New static function.
16627         (vrp_val_is_min): New static function.
16628         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
16629         copying the node.
16630         (set_value_range): Use vrp_val_is_{max,min}.
16631         (extract_range_from_assert): Likewise.
16632         (extract_range_from_binary_expr): Likewise.
16633         (extract_range_from_unary_expr): Likewise.
16634         (dump_value_range, vrp_meet): Likewise.
16635         (vrp_visit_phi_node): Likewise.
16636         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
16637
16638 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
16639
16640         * config/i386/gmon-sol2.c (size_t): New type.
16641         (intptr_t): Likewise.
16642         (s_textsize): Declare as size_t.
16643         (sbrk): Declare.
16644         (monstartup): Use size_t for sizes.
16645         (_mcount): Save and restore registers.
16646         (internal_mcount): Pass 0 as the first argument to monstartup
16647         in 64-bit mode.
16648         (moncontrol): Convert pointer to appropriately sized integer
16649         before passing to profil.
16650
16651 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16652
16653         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
16654         __NO_FPRS__, not just if _SOFT_DOUBLE.
16655         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
16656         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
16657         also for E500 double.
16658         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
16659         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
16660         && !TARGET_FPRS).
16661
16662 2007-05-01  Richard Guenther  <rguenther@suse.de>
16663
16664         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
16665         is NULL.
16666
16667 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16668
16669         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
16670
16671 2007-05-01  Jan Hubicka  <jh@suse.cz>
16672
16673         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
16674         invariant.
16675
16676 2007-05-01  Jan Hubicka  <jh@suse.cz>
16677
16678         * tree.h (maybe_fold_offset_to_component_ref): Remove.
16679         (maybe_fold_offset_to_reference): Declare.
16680         * fold-const.c (fold_unary): Do not fold
16681         (type *)&A into &A->field_of_type_and_offset_0
16682         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
16683         size is unknown, give up.
16684         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
16685         offsets.
16686         (maybe_fold_offset_to_reference): New.
16687         (maybe_fold_stmt_indirect): Use it.
16688         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
16689         * gimplify.c (gimplify_conversion): Canonicalize conversions to
16690         field references.
16691         (gimplify_expr): Likewise for plus_expr.
16692
16693 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
16694
16695         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
16696         bsi_after_labels.  Always insert statements before bsi.
16697         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
16698         * predict.c (apply_return_prediction): Check for empty blocks.
16699         * cfgexpand.c (lab_rtx_for_bb): New variable.
16700         (label_rtx_for_bb): Do not create new tree labels.
16701         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
16702         (tree_expand_cfg): Initialize lab_rtx_for_bb.
16703         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
16704         creating edges.
16705         (label_for_bb): Add field used.
16706         (update_eh_label, main_block_label): Mark the label used.
16707         (cleanup_dead_labels): Remove unused labels.
16708
16709 2007-05-01  Richard Guenther  <rguenther@suse.de>
16710
16711         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
16712         if it is not about to be set.
16713         (get_value_range): Do not pre-allocate equiv bitmap.
16714         (update_value_range): No need to clear equiv field.
16715         (add_equivalence): Change prototype to get bitmap pointer.
16716         Allocate bitmap here if it is not already.
16717         (extract_range_from_assert): Do not allocate bitmap here.
16718         Update callers to add_equivalence.
16719         (extract_range_from_ssa_name): Likewise.
16720         (get_vr_for_comparison): New static helper.
16721         (compare_name_with_value): Handle NULL equiv bitmap by
16722         peeling the first iteration of the comparison loop.
16723         Use get_vr_for_comparison.
16724         (compare_names): Handle NULL equiv bitmaps by using fake
16725         ones.  Use get_vr_for_comparison.
16726
16727 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
16728
16729         * double-int.c (mpz_set_double_int): Moved from
16730         tree-ssa-loop-niter.c.
16731         (mpz_get_double_int): Likewise; also, add option to wrap
16732         out-of-range integers.
16733         * double-int.h: New prototypes for above.
16734         * tree.c (get_static_type_bounds): Moved from
16735         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
16736         TYPE_MAX_VALUE if they exist..
16737         * tree.h: New prototype for above.
16738         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
16739         get_type_bounds calls.
16740         (mpz_set_double_int): Move to double-int.c.
16741         (get_type_bounds): Move to tree.c, rename to
16742         get_static_type_bounds.
16743         (mpz_to_double_int): Move to double-int.c, rename to
16744         mpz_get_double_int.
16745
16746 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
16747
16748         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
16749         DIV0 exception can fall through to a normal return.
16750
16751 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
16752
16753         PR middle-end/22156
16754         Temporarily revert:
16755         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
16756         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
16757         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16758         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
16759         initialize align to silence bogus warning.
16760         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16761         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
16762         all_no_warning.
16763         (struct sra_walk_fns): Remove use_all parameter from use.
16764         (sra_hash_tree): Handle BIT_FIELD_REFs.
16765         (sra_elt_hash): Don't hash bitfld blocks.
16766         (sra_elt_eq): Skip them in parent compares as well.  Handle
16767         BIT_FIELD_REFs.
16768         (sra_walk_expr): Don't maintain or pass down use_all_p.
16769         (scan_use): Remove use_all parameter.
16770         (scalarize_use): Likewise.  Re-expand assignment to
16771         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
16772         output, and re-scalarize after output.  Don't mark anything
16773         for no warning.
16774         (scalarize_ldst): Adjust.
16775         (scalarize_walk_gimple_modify_statement): Likewise.
16776         (build_element_name_1): Handle BIT_FIELD_REFs.
16777         (instantiate_element): Don't warn for any element whose parent
16778         is used as a whole.
16779         (instantiate_missing_elements_1): Return the sra_elt.
16780         (canon_type_for_field): New.
16781         (try_instantiate_multiple_fields): New.
16782         (instantiate_missing_elemnts): Use them.
16783         (mark_no_warning): Removed.
16784         (generate_one_element_ref): Handle BIT_FIELD_REFs.
16785         (REPLDUP, sra_build_elt_assignment): New.
16786         (generate_copy_inout): Use them.
16787         (generate_element_copy): Likewise.  Handle bitfld differences.
16788         (generate_element_zero): Don't recurse for blocks.  Use
16789         sra_build_elt_assignment.
16790         (generate_one_element_int): Take elt instead of var.  Use
16791         sra_build_elt_assignment.
16792         (generate_element_init_1): Adjust.
16793         (scalarize_use, scalarize_copy): Use REPLDUP.
16794         (scalarize_ldst): Move assert before dereference.
16795         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
16796
16797 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16798
16799         PR C++/31721
16800         * tree.c (reconstruct_complex_type): Reconstruct a reference
16801         correctly.
16802         Also use the same mode for the pointer as the old pointer type.
16803
16804 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
16805
16806         * doc/trouble.texi (Interoperation): Remove note about Ultrix
16807         Fortran compiler.
16808
16809 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
16810
16811         PR rtl-optimization/31676
16812         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
16813         (df_refs_record): Call it.
16814
16815 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
16816
16817         * rtl.def (SS_ABS): New code.
16818         * config/bfin/bfin.c (print_operand): New modifier 'v'.
16819         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
16820         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
16821         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
16822         (bfin_init_builtins): Define them.
16823         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
16824         (bfin_expand_builtin): ... and handle the others here.
16825         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
16826         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
16827         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
16828         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
16829         operand is only HImode.
16830
16831 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
16832
16833         * regclass.c (scan_one_insn): Remove splitting of
16834         two address insns.
16835
16836 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
16837             Nigel Stephens  <nigel@mips.com>
16838
16839         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
16840
16841 2007-04-28  Jan Hubicka  <jh@suse.cz>
16842
16843         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
16844         insn_locators_alloc instead of insn_locators_initialize;
16845         call reset_block_changes.
16846         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
16847         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
16848         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
16849         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
16850         * config/score/score.c (th_output_mi_thunk): Likewise.
16851         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
16852         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
16853         tolerate uninitialized locator info.
16854
16855         Re-apply:
16856         * function.c (init_function_start): Don't init line number info.
16857         (expand_function_end): Update.
16858         (reset_block_changes, record_block_change, finalize_block_changes,
16859         check_block_change, free_block_changes): Kill.
16860         * function.h (reset_block_changes, record_block_change,
16861         finalize_block_changes, check_block_change, free_block_changes):
16862         Remove prototypes.
16863         (struct function): Remove ib_boundaries_block.
16864         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
16865         Use curr_insn_locator to initialize locator.
16866         (emit_line_note): Remove.
16867         * cfgexpand.c (expand_gimple_cond_expr): Update.
16868         (construct_exit_block): Likewise.
16869         (tree_expand_cfg): Initialize/finalize locators.
16870         * expr.c (expand_expr_real): Update.
16871         * cfglayout.c (line_locators_locs, line_locators_lines,
16872         file_locators_locs, file_locators_files): Remove.
16873         (set_block_levels): Move to cfgexpand.c.
16874         (insn_locators_initialize): Remove.
16875         (pass_insn_locators_initialize): Remove.
16876         (locations_locators_locs, locations_locators_vals): New static vars.
16877         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
16878         Likewise.
16879         (insn_locators_alloc, insn_locators_finalize,
16880         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16881         New functions.
16882         (locator_location): New.
16883         (locator_line, locator_file): Rewrite.
16884         * rtl.h (emit_line_note): Kill.
16885         (insn_locators_alloc, insn_locators_finalize,
16886         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16887         Declare.
16888         * tree-inline.c (initialize_cfun): Do not initialize
16889         ib_boundaries_block.
16890         * passes.c (pass_insn_locators_initialize): Remove.
16891
16892 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
16893
16894         * tree-cfg.c (move_block_to_fn): Release bb from dominance
16895         info.  Update last_basic_block correctly.
16896
16897 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
16898
16899         PR target/31701
16900         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
16901         register itself to hold the offset constant.  Tell flow the use
16902         of r4 and r5 when they are used.
16903
16904 2007-04-27  Richard Guenther  <rguenther@suse.de>
16905
16906         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
16907         if we simplified anything.
16908         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
16909         warnings until we did a simplification and the stmt was not
16910         marked as TREE_NO_WARNING.
16911
16912 2007-04-27  Mike Stump  <mrs@apple.com>
16913
16914         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
16915
16916 2007-04-27  Ian Lance Taylor  <iant@google.com>
16917
16918         PR middle-end/31710
16919         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
16920         TYPE_MAX_VALUE exist, convert them to the new type.
16921
16922 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16923
16924         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
16925         if it claims to be available.
16926         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
16927         edge is redirected.
16928         (perform_tree_ssa_dce): Always free postdominators.
16929
16930 2007-04-27  Richard Henderson  <rth@redhat.com>
16931
16932         * config/alpha/predicates.md (aligned_memory_operand): Mark
16933         as define_special_predicate.
16934         (unaligned_memory_operand, normal_memory_operand): Likewise.
16935         (reg_or_unaligned_mem_operand): Remove.
16936         (any_memory_operand): Match the documentation and check for
16937         non-renumbered pseudos during reload.
16938         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
16939         alpha_secondary_reload_class, update to new interface, make static.
16940         Handle CQImode like HImode.  Remove FP subreg check.
16941         (alpha_expand_mov): Use replace_equiv_address.
16942         (alpha_expand_mov_nobwx): Use any_memory_operand.
16943         (TARGET_SECONDARY_RELOAD): New.
16944         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
16945         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
16946         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
16947         * config/alpha/alpha.md: ... here.
16948         (RELOAD12, reloadmode): New.
16949         (movcqi): New.
16950         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
16951         Don't handle the aligned case here.
16952         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
16953         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
16954         reload_inhi_help.  Don't expect a scratch register.
16955         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
16956         reload_outhi_help.
16957         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
16958
16959 2007-04-27  Richard Guenther  <rguenther@suse.de>
16960
16961         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
16962
16963 2007-04-27  Richard Guenther  <rguenther@suse.de>
16964
16965         PR tree-optimization/30965
16966         PR tree-optimization/30978
16967         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
16968         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
16969         (find_equivalent_equality_comparison): Likewise.
16970         (simplify_cond): Likewise.
16971         (get_prop_source_stmt): New helper.
16972         (get_prop_dest_stmt): Likewise.
16973         (can_propagate_from): Likewise.
16974         (remove_prop_source_from_use): Likewise.
16975         (combine_cond_expr_cond): Likewise.
16976         (forward_propagate_comparison): New function.
16977         (forward_propagate_into_cond): Rewrite to use fold for
16978         tree combining.
16979         (tree_ssa_forward_propagate_single_use_vars): Call
16980         forward_propagate_comparison to propagate comparisons.
16981
16982 2007-04-27  Richard Guenther  <rguenther@suse.de>
16983
16984         PR tree-optimization/31715
16985         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
16986         sure to do computation on the offset in an appropriate
16987         signed type.
16988
16989 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
16990
16991         * reload.h (elimination_target_reg_p): Declare.
16992         * reload.c (find_reloads): Don't apply the reg_rtx move
16993         optimization if the SET_DEST satisfies elimination_target_reg_p.
16994         * reload1.c (elimination_target_reg_p): New function.
16995         (gen_reload): In the move/add2 fallback, make sure that op0
16996         does not overlap the destination register.
16997
16998 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16999
17000         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
17001         transform only GIMPLE_MODIFY_STMTs.
17002         * tree-complex.c (expand_complex_operations_1): Ditto.
17003         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
17004         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
17005         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
17006         branches.
17007         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
17008         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
17009         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
17010         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
17011         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
17012         slpeel_add_loop_guard): Ditto.
17013         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
17014         * lambda-code.c (perfect_nestify): Ditto.
17015         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
17016         before the first statement.
17017         * tree-optimize.c (execute_free_datastructures): Fix comments.
17018         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
17019         * tree-flow.h (disband_implicit_edges): Declaration removed.
17020         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
17021         branches.
17022         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
17023         COND_EXPRs without gotos.
17024         (disband_implicit_edges, has_label_p): Removed.
17025         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
17026         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
17027         branches.
17028         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
17029         side effects.
17030         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
17031         also for COND_EXPRs.
17032         * cfgexpand.c (label_rtx_for_bb): New function.
17033         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
17034         Use label_rtx_for_bb to find the labels.
17035         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
17036         last block.  Detect fallthru edges.
17037
17038 2007-04-26  Ian Lance Taylor  <iant@google.com>
17039
17040         PR target/28675
17041         * reload.c (find_reloads_subreg_address): If the address was valid
17042         in the original mode but not in the new mode, reload the whole
17043         address.
17044
17045 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
17046
17047         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
17048         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
17049         (cleanup_control_expr_graph): Do not invalidate dominance info.
17050         Record altered blocks.
17051         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
17052         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
17053         cleanup_tree_cfg_bb): New functions.
17054         (remove_forwarder_block): Do not maintain the worklist of blocks.
17055         Record altered blocks.
17056         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
17057         not over whole cfg.
17058         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
17059         delete_unreachable_blocks if dominators are not available.
17060         * tree-inline.c (optimize_inline_calls): Free dominance information
17061         earlier.
17062         * tree-flow.h (remove_edge_and_dominated_blocks,
17063         cfgcleanup_altered_bbs): Altered.
17064         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
17065         blocks.
17066         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
17067         functions.
17068         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
17069         do not invalidate dominators.
17070
17071 2007-04-26  Anatoly Sokolov <aesok@post.ru>
17072
17073         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
17074         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
17075         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
17076         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
17077
17078 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
17079
17080         * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
17081
17082 2007-04-26  Richard Guenther  <rguenther@suse.de>
17083
17084         PR tree-optimization/31703
17085         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
17086         the right type for the target of the bittest.
17087
17088 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17089
17090         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
17091         ix86_sol10_return_in_memory.
17092
17093 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17094
17095         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
17096         variables.
17097
17098 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
17099
17100         PR c++/31598
17101         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
17102
17103         PR tree-optimization/30558
17104         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
17105         clear this_state.prev_try.
17106
17107 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17108             Mark Mitchell  <mark@codesourcery.com>
17109
17110         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
17111         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
17112         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
17113
17114 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17115
17116         PR driver/31107
17117         * doc/invoke.texi (%:print-asm-header): Document.
17118         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
17119         and -ftarget-help.
17120         (static_spec_functions): Add print-asm-header.
17121         (main): Print a banner before the --target-help linker options.
17122         (print_asm_header_spec_function): New function.
17123
17124 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
17125
17126         PR target/31403
17127         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
17128         (movsf_ie): Likewise.
17129
17130 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
17131
17132         * doc/extend.texi ([Type Traits]): Adjust per N2255.
17133
17134 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
17135
17136         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
17137         exception for divide-by-zero.
17138         (__umodsi3, __modsi3): Likewise.
17139
17140 2007-04-25  Dirk Mueller  <dmueller@suse.de>
17141
17142         * c-typeck.c (build_compound_expr): Annotate warning()
17143         call with OPT_Wunused_value.
17144         * tree-ssa.c (warn_uninit): Annotate warning with
17145         OPT_Wunintialized.
17146         * c-common.c (handle_sentinel_attribute): Annotate warning
17147         call with OPT_Wattributes.
17148
17149 2007-04-25  Thiemo Seufer  <ths@mips.com>
17150
17151         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
17152         (mips16): Fix typo.
17153         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
17154         on to the assembler.  Improve handling of -mno-mips16.  Add handling
17155         of -mno-mips3d, -mno-dsp, -mno-dspr2.
17156         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
17157         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
17158         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
17159
17160 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
17161
17162         PR target/31680
17163         * config/i386/winnt.c (i386_pe_file_end): Strip only
17164         USER_LABEL_PREFIX when writing export name.
17165
17166 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
17167
17168         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
17169         sh/elf.h, vx-common.h and vxworks.h.
17170         * config/sh/sh.h: Include config/vxworks-dummy.h.
17171         (SUBTARGET_OVERRIDE_OPTIONS): Define.
17172         (OVERRIDE_OPTIONS): Use it.
17173         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
17174         (vxworks_picreg): New pattern.
17175         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
17176         VXWORKS_OS_CPP_BUILTINS.
17177         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
17178         to their VXWORKS_* equivalents.
17179         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
17180         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
17181         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
17182         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
17183         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
17184         -mrtp/-fPIC multilibs.
17185         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
17186         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
17187         (MULTILIB_OSDIRNAMES): Delete.
17188
17189 2007-04-25  Anatoly Sokolov <aesok@post.ru>
17190
17191         PR target/18989
17192         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
17193
17194 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
17195
17196         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
17197         rounding mode to be specified by the caller.
17198         (real_to_mpfr) Likewise.
17199         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
17200         include new arguments.
17201         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
17202
17203 2007-04-24  Ian Lance Taylor  <iant@google.com>
17204
17205         PR tree-optimization/31605
17206         * tree-vrp.c (set_value_range): Check that min and max are not
17207         both overflow infinities.
17208         (set_value_range_to_value): New static function.
17209         (extract_range_from_binary_expr): Call set_value_range_to_value.
17210         (extract_range_from_cond_expr): Likewise.
17211         (extract_range_from_expr): Likewise.
17212         (extract_range_from_unary_expr): Likewise.  Don't create a range
17213         which overflows on both sides.
17214         (vrp_meet): Check for a useless range.
17215         (vrp_visit_phi_node): If we see a constant which looks like an
17216         overflow infinity, turn off the TREE_OVERFLOW flag.
17217
17218 2007-04-24  Ian Lance Taylor  <iant@google.com>
17219
17220         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
17221
17222 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
17223
17224         PR diagnostic/25923
17225         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
17226         diagnostic message is being built.
17227         * tree-pretty-print.c (dump_generic_node): Only write the
17228         formatted text into BUFFER's stream if we are not building a
17229         diagnostic message.
17230         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
17231         dump_generic_node.
17232         * Makefile.in (toplev.o): Depend on tree-pass.h.
17233
17234 2007-04-24  Ian Lance Taylor  <iant@google.com>
17235
17236         PR tree-optimization/31602
17237         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
17238         conditionals in the copied loop header.
17239         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
17240         warnings if TREE_NO_WARNING is set.
17241         * doc/invoke.texi (Warning Options): Clarify that
17242         -Wstrict-overflow does not warn about loops.
17243
17244 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
17245
17246         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
17247         expand on the comment about _Decimal128 arguments and check the
17248         integer result of the modulus operation; for 64-bit ELF ABI, ensure
17249         that _Decimal128 argument uses even/odd register pair.
17250         (function_arg): Ditto.
17251
17252 2007-04-24  Hui-May Chang <hm.chang@apple.com>
17253
17254         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
17255         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
17256
17257 2007-04-24  Richard Guenther  <rguenther@suse.de>
17258             Olga Golovanevsky  <olga@il.ibm.com>
17259
17260         * fold-const.c (multiple_of_p): Check for bottom
17261         to be zero.
17262
17263 2007-04-24  Richard Henderson  <rth@redhat.com>
17264
17265         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
17266         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
17267         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
17268         looking for non-zero bits shifted out.  Avoid a recursive call
17269         when constructing the scalar.
17270         (__floatundisf): Likewise.
17271
17272 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
17273
17274         * dwarf2out.c (field_byte_offset): Move the existing logic
17275         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
17276         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
17277
17278 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17279
17280         PR target/31641
17281         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
17282         length argument of 0 for memset.
17283         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
17284         unsigned shift instead of the signed variant.
17285
17286 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17287
17288         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
17289         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
17290         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
17291         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17292         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
17293         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
17294         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
17295         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
17296         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
17297         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
17298         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
17299         "mul<mode>3", "div<mode>3"): Insn definitions added.
17300         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
17301         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
17302         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
17303         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
17304         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
17305         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
17306         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
17307         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
17308         TARGET_FLOAT_FORMAT): Macro definitions removed.
17309         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
17310         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
17311         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
17312         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
17313         (s390_gen_rtx_const_DI): Function removed.
17314         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
17315
17316 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
17317
17318         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
17319         over an external ffs function.
17320
17321 2007-04-24  Chao-ying Fu  <fu@mips.com>
17322             Richard Sandiford  <richard@nildram.co.uk>
17323
17324         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
17325         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
17326         (smadd_widen_optab, umadd_widen_optab): Define.
17327         * optabs.c (init_optabs): Initialize smadd_widen_optab and
17328         umadd_widen_optab.
17329         * genopinit.c (optabs): Fill in smadd_widen_optab and
17330         umadd_widen_optab.
17331         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
17332         and umadd_widen_optab to implement multiply-add sequences.
17333         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
17334         (<u>maddsidi4): ...this.  Extend condition to include
17335         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
17336         of operand 0 to "ka" and use the three-operand form of madd<u>
17337         for TARGET_DSPR2.
17338         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
17339         to define_expands.
17340         * config/mips/constraints.md (ka): New register constraint.
17341
17342 2007-04-24  Jan Hubicka  <j@suse.cz>
17343
17344         Revert:
17345
17346         2007-04-23  Jan Hubicka  <jh@suse.cz>
17347         * function.c (init_function_start): Don't init line number info.
17348         (expand_function_end): Update.
17349         (reset_block_changes, record_block_change, finalize_block_changes,
17350         check_block_change, free_block_changes): Kill.
17351         * function.h (reset_block_changes, record_block_change,
17352         finalize_block_changes, check_block_change, free_block_changes):
17353         Remove prototypes.
17354         (struct function): Remove ib_boundaries_block.
17355         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17356         Use curr_insn_locator to initialize locator.
17357         (emit_line_note): Remove.
17358         * cfgexpand.c (expand_gimple_cond_expr): Update.
17359         (construct_exit_block): Likewise.
17360         (tree_expand_cfg): Initialize/finalize locators.
17361         * expr.c (expand_expr_real): Update.
17362         * cfglayout.c (line_locators_locs, line_locators_lines,
17363         file_locators_locs, file_locators_files): Remove.
17364         (set_block_levels): Move to cfgexpand.c.
17365         (insn_locators_initialize): Remove.
17366         (pass_insn_locators_initialize): Remove.
17367         (locations_locators_locs, locations_locators_vals): New static vars.
17368         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17369         Likewise.
17370         (insn_locators_alloc, insn_locators_finalize,
17371         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17372         New functions.
17373         (locator_location): New.
17374         (locator_line, locator_file): Rewrite.
17375         * rtl.h (emit_line_note): Kill.
17376         (insn_locators_alloc, insn_locators_finalize,
17377         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17378         Declare.
17379         * tree-inline.c (initialize_cfun): Do not initialize
17380         ib_boundaries_block.
17381         * passes.c (pass_insn_locators_initialize): Remove.
17382
17383 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
17384
17385         * doc/invoke.texi: Removed leading '-' from option index entries.
17386
17387 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
17388
17389         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
17390         Use phi_nodes_ptr.
17391         (create_phi_node): Use set_phi_nodes.
17392         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
17393         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
17394         (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
17395         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
17396         (bsi_start, bsi_last): Use bb_stmt_list.
17397         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
17398         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
17399         Traverse the statements using tsi iterator.
17400         * basic-block.h (struct basic_block_def): Fields stmt_list
17401         and phi_nodes moved to ...
17402         (struct tree_bb_info): ... new structure.
17403         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
17404         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
17405         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
17406         (tree_verify_flow_info): Verify that il.tree is not set for
17407         entry and exit block.
17408         (tree_split_block): Use set_bb_stmt_list.
17409
17410 2007-04-23  Mike Stump  <mrs@apple.com>
17411
17412         * config/i386/i386.c (ix86_tune_features
17413         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
17414         nocona and core2.
17415
17416 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17417
17418         * config/i386/i386.md (prefix_extra): New attribute.
17419         (length): Add prefix_extra.
17420
17421         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
17422         (sse2_movntv2di): Likewise.
17423         (sse2_cvtps2dq): Likewise.
17424         (sse2_cvtpd2pi): Likewise.
17425         (sse2_cvttpd2pi): Likewise.
17426         (*sse2_cvtpd2ps): Likewise.
17427         (*add<mode>3): Likewise.
17428         (sse2_ssadd<mode>3): Likewise.
17429         (sse2_usadd<mode>3): Likewise.
17430         (*sub<mode>3): Likewise.
17431         (sse2_sssub<mode>3): Likewise.
17432         (sse2_ussub<mode>3): Likewise.
17433         (*mulv8hi3): Likewise.
17434         (*smulv8hi3_highpart): Likewise.
17435         (*umulv8hi3_highpart): Likewise.
17436         (sse2_umulv2siv2di3): Likewise.
17437         (sse2_pmaddwd): Likewise.
17438         (ashr<mode>3): Likewise.
17439         (lshr<mode>3): Likewise.
17440         (ashl<mode>3): Likewise.
17441         (sse2_ashlti3): Likewise.
17442         (sse2_lshrti3): Likewise.
17443         (*umaxv16qi3): Likewise.
17444         (*smaxv8hi3): Likewise.
17445         (*uminv16qi3): Likewise.
17446         (*sminv8hi3): Likewise.
17447         (sse2_eq<mode>3): Likewise.
17448         (sse2_gt<mode>3): Likewise.
17449         (*and<mode>3): Likewise.
17450         (sse2_nand<mode>3): Likewise.
17451         (*ior<mode>3): Likewise.
17452         (*xor<mode>3): Likewise.
17453         (sse2_packsswb): Likewise.
17454         (sse2_packssdw): Likewise.
17455         (sse2_packuswb): Likewise.
17456         (sse2_punpckhbw): Likewise.
17457         (sse2_punpcklbw): Likewise.
17458         (sse2_punpckhwd): Likewise.
17459         (sse2_punpcklwd): Likewise.
17460         (sse2_punpckhdq): Likewise.
17461         (sse2_punpckldq): Likewise.
17462         (sse2_punpckhqdq): Likewise.
17463         (sse2_punpcklqdq): Likewise.
17464         (*sse2_pinsrw): Likewise.
17465         (*sse2_pextrw): Likewise.
17466         (sse2_pshufd_1): Likewise.
17467         (sse2_uavgv16qi3): Likewise.
17468         (sse2_uavgv8hi3): Likewise.
17469         (sse2_psadbw): Likewise.
17470         (sse2_pmovmskb): Likewise.
17471         (*sse2_maskmovdqu): Likewise.
17472         (*sse2_maskmovdqu_rex64): Likewise.
17473         (sse4a_extrqi): Likewise.
17474         (sse4a_extrq): Likewise.
17475         (sse3_lddqu): Set prefix_rep.
17476         (sse3_addsubv4sf3): Likewise.
17477         (sse3_haddv4sf3): Likewise.
17478         (sse3_hsubv4sf3): Likewise.
17479         (sse_cvtss2si): Likewise.
17480         (sse_cvtss2si_2): Likewise.
17481         (sse_cvtss2siq): Likewise.
17482         (sse_cvtss2siq_2): Likewise.
17483         (sse_cvttss2si): Likewise.
17484         (sse_cvttss2siq): Likewise.
17485         (sse2_cvttps2dq): Likewise.
17486         (sse3_movshdup): Likewise.
17487         (sse3_movsldup): Likewise.
17488         (sse2_cvtsd2si): Likewise.
17489         (sse2_cvtsd2si_2): Likewise.
17490         (sse2_cvtsd2siq): Likewise.
17491         (sse2_cvtsd2siq_2): Likewise.
17492         (sse2_cvttsd2si): Likewise.
17493         (sse2_cvttsd2siq): Likewise.
17494         (*sse2_cvtpd2dq): Likewise.
17495         (*sse2_cvttpd2dq): Likewise.
17496         (sse2_pshuflw_1): Likewise.
17497         (sse2_pshufhw_1): Likewise.
17498         (sse4a_insertqi): Likewise.
17499         (sse4a_insertq): Likewise.
17500         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
17501         (ssse3_phadddv4si3): Likewise.
17502         (ssse3_phaddswv8hi3): Likewise.
17503         (ssse3_phsubwv8hi3): Likewise.
17504         (ssse3_phsubdv4si3): Likewise.
17505         (ssse3_phsubswv8hi3): Likewise.
17506         (ssse3_pmaddubswv8hi3): Likewise.
17507         (ssse3_pmulhrswv8hi3): Likewise.
17508         (ssse3_pshufbv16qi3): Likewise.
17509         (ssse3_psign<mode>3): Likewise.
17510         (ssse3_palignrti): Likewise.
17511         (abs<mode>2): Likewise.
17512         (ssse3_phaddwv4hi3): Set prefix_extra.
17513         (ssse3_phadddv2si3): Likewise.
17514         (ssse3_phaddswv4hi3): Likewise.
17515         (ssse3_phsubwv4hi3): Likewise.
17516         (ssse3_phsubdv2si3): Likewise.
17517         (ssse3_phsubswv4hi3): Likewise.
17518         (ssse3_pmaddubswv4hi3): Likewise.
17519         (ssse3_pmulhrswv4hi3): Likewise.
17520         (ssse3_pshufbv8qi3): Likewise.
17521         (ssse3_psign<mode>3): Likewise.
17522         (ssse3_palignrdi): Likewise.
17523         (abs<mode>2): Likewise.
17524         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
17525         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
17526         (sse2_pmovmskb): Set mode to SI instead of V2DF.
17527
17528 2007-04-23  Nick Clifton  <nickc@redhat.com>
17529
17530         * params.def: Fix formatting of emacs local variables.
17531
17532 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17533
17534         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
17535         move if inter-unit move isn't allowed.
17536         Don't split moving the first element of V2DI to DI to inter-unit
17537         move if inter-unit move isn't allowed.
17538
17539 2007-04-23  Richard Guenther  <rguenther@suse.de>
17540
17541         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
17542         and CDI_POST_DOMINATORS separately.
17543
17544 2007-04-23  Nick Clifton  <nickc@redhat.com>
17545
17546         * c.opt (Wformat-contains-nul): Add warning attribute.
17547
17548 2007-04-23  Jan Hubicka  <jh@suse.cz>
17549
17550         * function.c (init_function_start): Don't init line number info.
17551         (expand_function_end): Update.
17552         (reset_block_changes, record_block_change, finalize_block_changes,
17553         check_block_change, free_block_changes): Kill.
17554         * function.h (reset_block_changes, record_block_change,
17555         finalize_block_changes, check_block_change, free_block_changes):
17556         Remove prototypes.
17557         (struct function): Remove ib_boundaries_block.
17558         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17559         Use curr_insn_locator to initialize locator.
17560         (emit_line_note): Remove.
17561         * cfgexpand.c (expand_gimple_cond_expr): Update.
17562         (construct_exit_block): Likewise.
17563         (tree_expand_cfg): Initialize/finalize locators.
17564         * expr.c (expand_expr_real): Update.
17565         * cfglayout.c (line_locators_locs, line_locators_lines,
17566         file_locators_locs, file_locators_files): Remove.
17567         (set_block_levels): Move to cfgexpand.c.
17568         (insn_locators_initialize): Remove.
17569         (pass_insn_locators_initialize): Remove.
17570         (locations_locators_locs, locations_locators_vals): New static vars.
17571         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17572         Likewise.
17573         (insn_locators_alloc, insn_locators_finalize,
17574         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17575         New functions.
17576         (locator_location): New.
17577         (locator_line, locator_file): Rewrite.
17578         * rtl.h (emit_line_note): Kill.
17579         (insn_locators_alloc, insn_locators_finalize,
17580         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17581         Declare.
17582         * tree-inline.c (initialize_cfun): Do not initialize
17583         ib_boundaries_block.
17584         * passes.c (pass_insn_locators_initialize): Remove.
17585
17586 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17587
17588         PR middle-end/31448
17589         * expr.c (reduce_to_bit_field_precision): Handle
17590         CONST_INT rtx's.
17591
17592 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
17593
17594         PR tree-optimization/24659
17595         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
17596         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
17597         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
17598         * genopinit.c (optabs): Rename vec_pack_mod_optab
17599         to vec_pack_trunc_optab.
17600         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
17601         early for scalar floating point operands for NOP_EXPR.
17602         (vectorizable_type_promotion): Ditto.
17603         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
17604         vec_pack_trunc_optab.
17605         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
17606
17607         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
17608         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
17609         Rename from VEC_PACK_MOD_EXPR.
17610         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
17611         * expr.c (expand_expr_real_1): Ditto.
17612         * tree-inline.c (estimate_num_insns_1): Ditto.
17613         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
17614
17615         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
17616         (vec_unpacks_lo_v4sf): Ditto.
17617         (vec_pack_trunc_v2df): Ditto.
17618         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
17619         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17620         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
17621
17622         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
17623         vec_pack_mod_v8hi.
17624         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17625
17626         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
17627         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
17628         packing of floating point operands.
17629         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
17630         represent unpacking of floating point operands.
17631         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
17632         [vec_unpacks_hi]: Ditto.
17633         [vec_unpacks_lo]: Ditto.
17634
17635 2007-04-22  Jan Hubicka  <jh@suse.cz>
17636
17637         * final.c (rest_of_handle_final): Call
17638         targetm.asm_out.constructor/targetm.asm_out.destructor
17639         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
17640         proper priority via decl_*_priority_insert.
17641         * c-common.c (c_expand_body): Likewise.
17642
17643 2007-04-22  Richard Guenther  <rguenther@suse.de>
17644
17645         PR tree-optimization/29789
17646         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
17647         (rewrite_reciprocal): New helper split out from
17648         determine_invariantness_stmt.
17649         (rewrite_bittest): Likewise.
17650         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
17651         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
17652         is not.
17653
17654 2007-04-22  Revital Eres  <eres@il.ibm.com>
17655
17656         * loop-unroll.c (var_to_expand): New field to support also
17657         insns of the form x = something + x.
17658         (analyze_insn_to_expand_var): Use it.
17659         (expand_var_during_unrolling): Likewise.
17660
17661 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17662
17663         * predict.c: Include pointer-set.h.
17664         (bb_predictions): New variable.
17665         (tree_predicted_by_p, tree_predict_edge,
17666         remove_predictions_associated_with_edge): Use bb_predictions map
17667         instead of bb->predictions.
17668         (clear_bb_predictions, assert_is_empty): New functions.
17669         (combine_predictions_for_bb): Use bb_predictions map.  Call
17670         clear_bb_predictions.
17671         (tree_estimate_probability): Create and free bb_predictions map.
17672         * Makefile.in (predict.o): Add pointer-set.h dependency.
17673         * basic-block.h (struct basic_block_def): Remove predictions
17674         field.
17675         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
17676
17677 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
17678
17679         PR target/31480
17680         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
17681         is null.
17682
17683 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17684
17685         * timevar.c (timevar_print): Change reference of --disable-checking to
17686         --enable-checking=release.  Also warn if assert checking is disabled.
17687
17688 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17689
17690         PR C/30265
17691         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
17692         decl as addressable if the compound literal was marked as
17693         addressable.
17694         Mark the decl as a gimple register if it is a complex or
17695         vector decl and does not live in memory.
17696
17697 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17698
17699         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
17700         (GENERIC_NEXT): New function macro.
17701         (PHI_CHAIN): Use phi_node's new chain variable.
17702         (tree_phi_node): Change tree_common to tree_base
17703         and add the chain field.
17704         * tree-phinodes.c (make_phi_node): Don't set
17705         TREE_TYPE on the new node.
17706         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
17707         instead of checking GIMPLE_TUPLE_P in chain_next.
17708         * tree-vect-transform.c
17709         (get_initial_def_for_induction): Look at
17710         PHI_RESULT_TREE for the type of the phi node.
17711         (update_vuses_to_preheader): Use PHI_CHAIN
17712         instead of TREE_CHAIN on the phi node.
17713         * tree-ssa-structalias.c (compute_points_to_sets):
17714         Likewise.
17715         (ipa_pta_execute): Likewise.
17716
17717 2007-04-21  Richard Guenther  <rguenther@suse.de>
17718
17719         PR middle-end/31136
17720         * fold-const.c (fold_unary): Call fold_convert_const on the
17721         original tree.
17722
17723 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
17724
17725         * gcse.c (store_killed_in_insn): Handle PARALLELs.
17726         (store_killed_in_pat): New.
17727
17728 2007-04-20  Richard Henderson  <rth@redhat.com>
17729
17730         PR target/31628
17731         * config/i386/i386.c (type_has_variadic_args_p): Look for any
17732         TREE_LIST with a void_type_node value, not void_list_node exactly.
17733
17734 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
17735
17736         * doc/standards.texi: Re-arrange into language-specific
17737         subsections. Add a C++ section, documenting which standards we
17738         support.
17739
17740 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17741
17742         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
17743         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
17744
17745 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
17746
17747         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
17748         ecrti.o and crtbegin.o.
17749         (LIB_DEFAULT_SPEC): Include -lc.
17750         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
17751
17752 2007-04-20  Richard Henderson  <rth@redhat.com>
17753
17754         PR target/28623
17755         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
17756         argument; update all callers.
17757         (get_unaligned_offset): New.
17758         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
17759         get_unaligned_address, just pass on the address directly.
17760         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
17761         the subreg in the helper patterns.
17762         (unaligned_extendqidi_le): Use get_unaligned_offset.
17763         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
17764         (unaligned_extendhidi_be): Likewise.
17765         (unaligned_extendhidi): Tidy.
17766         * config/alpha/alpha-protos.h: Update.
17767
17768 2007-04-20  Richard Henderson  <rth@redhat.com>
17769
17770         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
17771         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
17772         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
17773         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17774         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17775         (CPP_SPEC): Don't include %(cpp_subtarget).
17776         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
17777         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17778         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
17779
17780 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
17781
17782         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
17783         for __builtin_ia32_cmpordss.
17784
17785         PR tree-optimization/31632
17786         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
17787         and arg1 for optimizations of comparison against min/max values.
17788         Fold arg0 to arg1's type for optimizations of comparison against
17789         min+1 and max-1 values.
17790
17791 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
17792
17793         * reload.c (combine_reloads): When trying to use a dying register,
17794         check whether it's uninitialized and don't use if so.
17795
17796 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
17797
17798         * fold-const.c: Remove prototypes for native_encode_expr and
17799         native_interpret_expr.
17800         (native_encode_expr): Make non-static.
17801         (native_interpret_expr): Likewise.
17802         * tree.h: Add prototypes for the above.
17803
17804 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17805
17806         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
17807         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
17808         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
17809         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
17810         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
17811         Add length attributes.
17812
17813 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
17814
17815         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
17816         not that it is 1.
17817
17818         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
17819         __STDC_WANT_DEC_FP__.
17820
17821 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17822
17823         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
17824         for long double compatibility.
17825         * configure: Regenerate.
17826
17827 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
17828
17829         PR rtl-optimization/29841
17830         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
17831         trap instructions.
17832         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
17833         that may cause control flow transfer from being moved.
17834
17835 2007-04-18  Jan Hubicka  <jh@suse.cz>
17836
17837         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
17838         types.
17839
17840 2007-04-18  Eric Christopher  <echristo@apple.com>
17841
17842         * config/rs6000/darwin.md (load_macho_picbase): Use link register
17843         only. Update operands.
17844         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
17845         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
17846         link register to pic register.
17847
17848 2007-04-18  Dirk Mueller  <dmueller@suse.de>
17849
17850         PR diagnostic/31227
17851         * tree-vrp.c (search_for_addr_array): New.
17852         (check_array_bounds): Suppress warning about
17853         address taken of array refs if its not de-referenced.
17854
17855 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17856
17857         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
17858         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
17859
17860         * tree-vectorizer.h (NITERS_KNOWN_P): New.
17861         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
17862         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
17863
17864         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
17865         dump print.
17866         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
17867         print message.
17868         (vect_analyze_scalar_cycles): Fix indentation.
17869         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
17870         (vect_mark_relevant): Include phis in relevance analysis.
17871
17872         * tree-vect-transform.c (vect_transform_loop): Add an assert.
17873
17874 2007-04-18  Anatoly Sokolov <aesok@post.ru>
17875
17876         * config/avr/avr.c (ptrreg_to_str): Replace error() with
17877         output_operand_lossage().
17878
17879 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17880
17881         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
17882         the unused code for reduction without adjust-in-epilog to simplify the
17883         function.
17884
17885 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
17886
17887         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
17888         (S390_TDC_NEGATIVE_ZERO): New constant.
17889         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
17890         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
17891         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
17892         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
17893         (S390_TDC_POSITIVE_INFINITY): New constant.
17894         (S390_TDC_NEGATIVE_INFINITY): New constant.
17895         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
17896         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
17897         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
17898         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
17899         (S390_TDC_INFINITY): New constant.
17900         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
17901         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
17902         optimization for UNSPEC_CCZ_TO_INT.
17903         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
17904         ("*ccz_to_int"): New insn.
17905         ("isinf<mode>2"): New insn.
17906         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
17907         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
17908         (UNSPEC_CCZ_TO_INT): New constant.
17909
17910 2007-04-18  Richard Guenther  <rguenther@suse.de>
17911
17912         PR tree-optimization/19431
17913         PR tree-optimization/21463
17914         * tree-pass.h (pass_phiprop): Declare.
17915         * passes.c (init_optimization_passes): New phiprop pass.
17916         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
17917         (phivn_valid_p): New helper function.
17918         (phiprop_insert_phi): Likewise.
17919         (propagate_with_phi): Likewise.
17920         (tree_ssa_phiprop): New propagator propagating loads
17921         through phi nodes if profitable.
17922
17923 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17924
17925         * tree-vect-analyze.c (process_use): New function.
17926         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
17927         Check phis in all bbs.
17928         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
17929         assert.
17930
17931 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
17932
17933         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
17934         we use REG_EQUAL.
17935
17936 2007-04-17  Anatoly Sokolov <aesok@post.ru>
17937
17938         PR target/30483
17939         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
17940         error().
17941
17942 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
17943
17944         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
17945         on "0".
17946         (sse_vmmulv4sf3): Likewise.
17947         (sse2_vmaddv2df3): Likewise.
17948         (sse2_vmmulv2df3): Likewise.
17949
17950 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
17951
17952         PR rtl-optimization/31360
17953         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
17954         (target_reg_cost): New.
17955         (init_set_costs): Initialize target_reg_cost.  Add comments
17956         regarding the rationale of the costs.
17957         (global_cost_for_size): Renamed to...
17958         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
17959         of register pressure.
17960         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
17961         estimate_reg_pressure_cost.  Add number of ivs.
17962         (determine_set_costs): Dump target_reg_cost.
17963         * loop-invariant.c (gain_for_invariant): Use
17964         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
17965         (best_gain_for_invariant, find_invariants_to_move): Remove
17966         n_inv_uses.
17967         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
17968         (target_reg_cost): Declare.
17969         (global_cost_for_size): Declaration removed.
17970         (estimate_reg_pressure_cost): Declare.
17971
17972 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
17973
17974         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
17975         regnos into even/odd register pairs.
17976         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
17977         TDmode similar to the other floating point modes.
17978         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
17979         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
17980         define_expand's.
17981         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
17982         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
17983         (movdd_hardfloat64): Use TARGET_MFPGPR.
17984
17985 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
17986
17987         * reload1.c (delete_output_reload): Don't count output in n_inherited.
17988
17989         Revert
17990         2005-01-05  Richard Henderson  <rth@redhat.com>
17991         PR rtl-opt/10692
17992         * reload1.c (do_input_reload): Restrict the optimization deleteing
17993         a previous output reload to RELOAD_FOR_INPUT.
17994
17995 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
17996
17997         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
17998         induc_vec_info_type.
17999         (vectorizable_induction): New function declaration.
18000         * tree-vect-transform.c (get_initial_def_for_induction): No need to
18001         check if already vectorized.  Find first place in BB where new stmts
18002         can be inserted.  Takes only one argument.
18003         (vectorizable_induction): New function.
18004         (vect_transform_stmt): Add case for induc_vec_info_type to call
18005         vectorizable_induction.
18006         (vect_transform_loop): Consider phis for vectorization.
18007         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
18008         condition.
18009         (analyze_operations): Call vectorizable_induction when analyzing phis.
18010         Fix comment.
18011         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
18012         (vect_mark_relevant): Include phis in relevance analysis.
18013         (vect_mark_stmts_to_be_vectorize): Likewise.
18014         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
18015
18016 2007-04-16  Lawrence Crowl  <crowl@google.com>
18017
18018         * doc/invoke.texi (Debugging Options): Add documentation for the
18019         -femit-struct-debug options -femit-struct-debug-baseonly,
18020         -femit-struct-debug-reduced, and
18021         -femit-struct-debug-detailed[=...].
18022
18023         * c-opts.c (c_common_handle_option): Add
18024         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
18025         and OPT_femit_struct_debug_detailed_.
18026         * c.opt: Add specifications for
18027         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
18028         and -femit-struct-debug-detailed[=...].
18029         * opts.c (set_struct_debug_option): Parse the
18030         -femit-struct-debug-... options.
18031         * opts.c (matches_main_base, main_input_basename,
18032         main_input_baselength, base_of_path, matches_main_base): Add
18033         variables and functions to compare header base name to compilation
18034         unit base name.
18035         * opts.c (should_emit_struct_debug): Add to determine to emit a
18036         structure based on the option.
18037         (dump_struct_debug) Also disabled function to debug this
18038         function.
18039         * opts.c (handle_options): Save the base name of the
18040         compilation unit.
18041
18042         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
18043         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
18044         This hook indicates if a type is generic.  Set it by default
18045         to "never generic".
18046         * langhooks.h (struct lang_hooks_for_types): Add a new hook
18047         to determine if a struct type is generic or not.
18048         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
18049         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
18050         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
18051         with live C++ hook.
18052
18053         * flags.h (enum debug_info_usage): Add an enumeration to describe
18054         a program's use of a structure type.
18055         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
18056         to indicate the program's usage of the type.  Filter structs based
18057         on the -femit-struct-debug-... specification.
18058         (gen_type_die): Split into two routines, gen_type_die and
18059         gen_type_die_with_usage.  gen_type_die is now a wrapper
18060         that assumes direct usage.
18061         (gen_type_die_with_usage): Replace calls to gen_type_die
18062         with gen_type_die_with_usage adding the program usage of
18063         the referenced type.
18064         (dwarf2out_imported_module_or_decl): Suppress struct debug
18065         information using should_emit_struct_debug when appropriate.
18066
18067 2007-04-16  Ian Lance Taylor  <iant@google.com>
18068
18069         PR tree-optimization/31522
18070         * tree-vrp.c (vr_phi_edge_counts): New static variable.
18071         (vrp_initialize): Allocate vr_phi_edge_counts.
18072         (vrp_visit_phi_node): Don't push to infinity if we saw a new
18073         executable edge.  Drop test for all constants.
18074         (vrp_finalize): Free vrp_phi_edge_counts.
18075
18076         * doc/cpp.texi (Common Predefined Macros): Clarify description of
18077         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
18078
18079         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
18080         predecessors at head rather than tail.
18081
18082 2007-04-16  Matthias Klose  <doko@debian.org>
18083
18084         * config/alpha/linux.h (CPP_SPEC): Define.
18085         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
18086
18087 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
18088
18089         * function.h: Remove sequence_stack extern declaration.
18090
18091 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
18092
18093         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
18094         TARGET_FIDOA.
18095         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
18096         defined.
18097
18098 2007-04-16  Anatoly Sokolov <aesok@post.ru>
18099
18100         * config/avr/avr.c (avr_arch_types): Rearranging  array.
18101         (enum avr_arch): Add.
18102         (avr_mcu_types): Use avr_arch enumeration constants instead of
18103         numbers.
18104         * config/avr/avr.h (LINK_SPEC): Simplify.
18105
18106 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
18107
18108         * config/m68k/m68k.c (m68k_libcall_value,
18109         m68k_function_value): Use macros for register names more.
18110
18111         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
18112         instead.
18113         (M68K_REGNAME): Use A6_REG.
18114         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
18115
18116 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
18117
18118         PR middle-end/28071
18119         * sched-int.h (struct deps): Split field 'pending_lists_length' into
18120         'pending_read_list_length' and 'pending_write_list_length'.  Update
18121         comment.
18122         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
18123         to handle two length counters instead of one.  Update all uses.
18124         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
18125         two length counters instead of one.
18126         * sched-rgn.c (propagate_deps): Update to handle two length counters
18127         instead of one.
18128
18129 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
18130
18131         PR target/31582
18132         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
18133         copy of source, pass it to ix86_expand_vector_set and return
18134         it as target.
18135
18136 2007-04-16  David Ung  <davidu@mips.com>
18137             Joseph Myers  <joseph@codesourcery.com>
18138
18139         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
18140         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
18141         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
18142         Add 74K processor information.
18143         * config/mips/mips.md: Include 74k.md.
18144         (cpu): Add 74kc,74kf,74kx.
18145         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
18146         * config/mips/74k.md: New.
18147         * doc/invoke.texi (MIPS Options): Document 74K support.
18148
18149 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
18150
18151         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
18152         vectorizable_* functions.
18153         * tree-vect-transform.c (vectorizable_call): Add check for
18154         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
18155         (vectorizable_store): likewise.
18156         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
18157         Add comments.
18158         (vectorizable_operation, vectorizable_type_demotion): Likewise.
18159         (vectorizable_type_promotion, vectorizable_load): Likewise.
18160         (vectorizable_live_operation, vectorizable_condition): Likewise.
18161         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
18162         STMT_VINFO_LIVE_P.
18163         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
18164
18165 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18166
18167         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
18168         register numbers more.
18169         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
18170         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
18171         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
18172         FUNCTION_VALUE_REGNO_P): Likewise.
18173         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
18174         STATIC_CHAIN_REGNUM): Likewise.
18175         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
18176         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
18177         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
18178         * config/m68k/m68k.md (FP_REG): New.
18179
18180 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18181
18182         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
18183         alignment on fido.
18184
18185 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18186
18187         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
18188         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
18189         comment typos.
18190
18191 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18192
18193         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
18194         cold loops.
18195
18196 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18197
18198         PR c/31520
18199         * c-decl.c (finish_decl): Grab the type of the decl after the call
18200         to store_init_value.
18201
18202 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
18203
18204         * common.opt (fforward-propagate): Fix "Optimization" annotation.
18205
18206 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
18207
18208         PR c++/25874
18209         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
18210         dominators, post dominators and cleanup cfg before returning.
18211
18212 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
18213
18214         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
18215         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
18216
18217 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
18218
18219         * config.gcc: Recognize fido.
18220         * config/m68k/m68k-devices.def (fidoa): New.
18221         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
18222         __mfido__.
18223         (FL_FIDOA, TARGET_FIDOA): New.
18224         * config/m68k/m68k.opt (mfidoa): New.
18225
18226 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18227
18228         PR middle-end/31322
18229         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
18230         when a personality function is used.
18231
18232 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
18233
18234         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
18235
18236 2007-04-13  Mike Stump  <mrs@apple.com>
18237
18238         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
18239         we can...
18240         * config/darwin.opt (fapple-kext): Make C++ only.
18241         * config/darwin.c (darwin_override_options): Remove code to ensure
18242         -fapple-kext is given for C++ only.
18243
18244 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
18245
18246         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
18247         * config/mips/mips.c (override_options): Call
18248         SUBTARGET_OVERRIDE_OPTIONS, if defined.
18249
18250 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
18251
18252         * config/i386/i386.opt (msvr3-shlib): Removed.
18253
18254         * doc/invoke.texi: Remove -msvr3-shlib.
18255
18256 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
18257
18258         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
18259         with "popcnt" instruction.
18260
18261 2007-04-13  Richard Guenther  <rguenther@suse.de>
18262
18263         PR tree-optimization/21258
18264         * tree-vrp.c (compare_case_labels): New helper.
18265         (find_switch_asserts): New function.
18266         (find_assert_locations): Call it for SWITCH_EXPRs.
18267
18268 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
18269
18270         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
18271         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
18272         check is now implied in X87_FLOAT_MODE_P.
18273         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18274         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18275         (fix_trunc<mode>_i386_fisttp): Ditto.
18276         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18277         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18278         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18279         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18280         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18281         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18282         (unnamed_splitters): Ditto.
18283         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
18284         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
18285         FIRST_SSE_REG for local functions when SSE math is enabled or
18286         for functions with sseregparm attribute.
18287         (standard_80387_constant_p): Return -1 if mode is not
18288         X87_FLOAT_MODE_P.
18289         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
18290         (ix86_expand_compare): Ditto.
18291         (ix86_expand_carry_flag_compare): Ditto.
18292         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
18293         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
18294         DECIMAL_FLOAT_MODE_P.
18295         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
18296         of SCALAR_FLOAT_MODE_P.
18297         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
18298         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
18299         checks before FLOAT_MODE_P.
18300         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
18301         before FLOAT_MODE_P.
18302         [DIV]: Ditto.
18303         [NEG]: Ditto.
18304         [ABS]: Ditto.
18305         [SQRT]: Ditto.
18306         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
18307
18308 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
18309             Charles Wilson  <libtool@cwilson.fastmail.fm>
18310
18311         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
18312         (libgcc.mvars): Don't depend on them.
18313         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
18314         * exec-tool.in: New.
18315
18316 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
18317
18318         * doc/invoke.text (--help): Document --help=common.
18319
18320 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
18321
18322         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
18323
18324 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18325
18326         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
18327         * genemit.c (main): Emit #include "integrate.h".
18328         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
18329         (LOADGP_RTP): New mips_loadgp_style.
18330         * config/mips/mips.h: Include config/vxworks-dummy.h.
18331         (TARGET_RTP_PIC): New macro.
18332         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
18333         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
18334         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
18335         for TARGET_RTP_PIC.
18336         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
18337         -mvxworks-pic when using -mrtp and a PIC option.
18338         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
18339         for RTP PIC.
18340         (mips_symbolic_constant_p, mips_symbolic_address_p)
18341         (mips_symbol_insns): Handle SYMBOL_HALF.
18342         (override_options): Warn about -G and -mrtp being used together.
18343         Initialize mips_lo_relocs[SYMBOL_HALF].
18344         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
18345         (mips_emit_loadgp): Handle LOADGP_RTP.
18346         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
18347         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
18348         (tablejump): Handle function-relative case table entries if
18349         TARGET_RTP_PIC.
18350         * config/mips/predicates.md (symbol_ref_operand): New predicate.
18351
18352 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18353
18354         * config/mips/mips.md (load_call<mode>): Allow any general register.
18355         destination.
18356         (sibcall_value_internal, sibcall_value_multiple_internal)
18357         (call_value_internal, call_value_split, call_value_multiple_internal)
18358         (call_value_multiple_split): Remove constraints from operand 0.
18359
18360 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18361
18362         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
18363         rather than loadgp_noshared.
18364         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
18365         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
18366         gen_loadgp.
18367         * config/mips/mips.md (loadgp): Rename to...
18368         (loadgp_newabi): ...this.
18369         (loadgp_noshared): Rename to...
18370         (loadgp_absolute): ...this.
18371
18372 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18373
18374         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
18375         false for locally-binding symbols.
18376         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
18377
18378 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18379
18380         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
18381         (SYMBOL_GOT_PAGE_OFST): ...this.
18382         (SYMBOL_GOT_GLOBAL): Rename to...
18383         (SYMBOL_GOT_DISP): ...this.
18384         (SYMBOL_GOTOFF_GLOBAL): Rename to...
18385         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
18386         * config/mips/mips.c (mips_global_symbol_p): New function.
18387         (mips_symbol_binds_local_p): Likewise.
18388         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
18389         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use
18390         mips_global_symbol_p and mips_symbol_binds_local_p.
18391         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
18392         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
18393         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
18394         SYMBOL_GOTOFF_DISP.
18395         (mips_ok_for_lazy_binding_p): New function.
18396         (mips_load_call_address, mips_expand_call): Use it.
18397         (mips_dangerous_for_la25_p): Likewise.
18398         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
18399         (*got_disp<mode>): Use got_disp_operand instead of
18400         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
18401         SYMBOL_GOTOFF_GLOBAL.
18402         (*got_page<mode>): Use got_page_ofst_operand instead of
18403         local_got_operand.
18404         * config/mips/predicates.md (const_call_insn_operand): Use
18405         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
18406         (global_got_operand): Rename to...
18407         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
18408         SYMBOL_GOT_GLOBAL.
18409         (local_got_operand): Rename to...
18410         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
18411         of SYMBOL_GOT_LOCAL.
18412
18413 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18414
18415         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
18416         TARGET_CALL_CLOBBERED_GP.
18417         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18418         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
18419         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
18420         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
18421         of TARGET_ABICALLS && !TARGET_NEWABI.
18422         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18423         * config/mips/mips.c (mips_load_call_address): Check
18424         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18425         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18426         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18427         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
18428         TARGET_ABICALLS && TARGET_NEWABI.
18429         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
18430         TARGET_ABICALLS.
18431         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
18432         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
18433         TARGET_ABICALLS && TARGET_NEWABI.
18434         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
18435         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
18436         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
18437         whether indirect calls must use $25.
18438         (mips_extra_live_on_entry): Check TARGET_GOT instead of
18439         TARGET_ABICALLS.
18440         * config/mips/mips.md (jal_macro): Check flag_pic and
18441         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
18442         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
18443         instead of TARGET_ABICALLS.
18444         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
18445         TARGET_ABICALLS && TARGET_OLDABI.
18446         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18447         (sibcall): In the comment above the define_insn, mention
18448         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
18449         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
18450         instead of TARGET_ABICALLS.
18451
18452 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
18453
18454         * doc/md.texi (Blackfin family constraints): Document PA and PB.
18455         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
18456         (MACFLAGS_MATCH_P): New macro.
18457         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
18458         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
18459         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
18460         the other MACFLAG constants.
18461         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
18462         (flag_machi): Tighten constraints.  Renumber some of the operands.
18463         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
18464         output template.
18465         (flag_machi_parts_acconly): New pattern.
18466         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
18467         used.
18468         (flag_macinit1hi): Tighten constraints.
18469         (flag_mul_macv2hi_parts_acconly): New pattern.
18470
18471         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
18472         Use a more efficient implementation.
18473         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
18474         inline sequences when not optimizing for size.
18475
18476         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
18477         movhi_high2low): Delete, merge functionality into...
18478         (packv2hi): ... this pattern.
18479
18480         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
18481         * config/bfin/bfin.opt (msim): New option.
18482         (mcpu=): New option.
18483         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
18484         (bfin_cpu_t): Typedef of enum bfin_cpu.
18485         (bfin_cpu_type): New declaration.
18486         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
18487         -msim and -mcpu= options.
18488         (LIB_SPEC): Likewise.
18489         * config/bfin/bfin.c (bfin_cpu_type): Define.
18490         (bfin_handle_option): Handle -mcpu= option.
18491         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
18492         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
18493         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
18494
18495 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18496
18497         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
18498         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
18499         (powerpc-wrs-vxworksae): Use ${tm_file}.
18500         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
18501         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
18502         * config/i386/vx-common.h: New file.
18503
18504 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18505
18506         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
18507         of crt0.o%s.
18508
18509 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
18510
18511         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
18512         ldxtr.
18513
18514 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
18515
18516         PR c++/31078
18517         PR c++/31103
18518         * c-common.c (c_build_qualified_type): Set canonical type
18519         appropriately.
18520
18521 2007-04-12  Richard Guenther  <rguenther@suse.de>
18522
18523         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
18524         lower bound and element size if lower bound is not zero
18525         or either of the ARRAY_REF operands is set.
18526
18527 2007-04-12  Richard Guenther  <rguenther@suse.de>
18528
18529         PR tree-optimization/24689
18530         PR tree-optimization/31307
18531         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
18532         indices by value.
18533         * gimplify.c (canonicalize_addr_expr): To be consistent with
18534         gimplify_compound_lval only set operands two and three of
18535         ARRAY_REFs if they are not gimple_min_invariant.  This makes
18536         it never at this place.
18537         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
18538
18539 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18540
18541         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
18542         null before emitting a .nsubspa directive.
18543
18544 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18545
18546         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
18547         need_to_partition_p if there are no memory statements in the
18548         function.
18549
18550 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18551
18552         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
18553         (gcd_of_steps_may_divide_p): New function.
18554         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
18555
18556 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18557
18558         * reload.c (find_reloads_toplev, find_reloads_address,
18559         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
18560         not a pointer equality test, to decide if we need to call
18561         push_reg_equiv_alt_mem.
18562
18563 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
18564
18565         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
18566         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
18567         New.
18568         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
18569
18570 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18571
18572         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
18573         vector to be positive.
18574
18575 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18576
18577         PR 30735
18578         PR 31090
18579         * doc/invoke.texi: Document --params max-aliased-vops and
18580         avg-aliased-vops.
18581         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
18582         debug_memory_partitions): Move to tree-flow.h
18583         * params.h (AVG_ALIASED_VOPS): Define.
18584         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
18585         users.
18586         (mp_info_t): Likewise.
18587         (get_mem_sym_stats_for): New.
18588         (set_memory_partition): Move from tree-flow-inline.h.
18589         (mark_non_addressable): Only clear the set of symbols for the
18590         partition if it exists.
18591         (dump_memory_partitions): Move from tree-ssa-operands.c
18592         (debug_memory_partitions): Likewise.
18593         (need_to_partition_p): New.
18594         (dump_mem_ref_stats): New.
18595         (debug_mem_ref_stats): New.
18596         (dump_mem_sym_stats): New.
18597         (debug_mem_sym_stats): New.
18598         (update_mem_sym_stats_from_stmt): New.
18599         (compare_mp_info_entries): New.
18600         (mp_info_cmp): Call it.
18601         (sort_mp_info): Change argument to a list of mem_sym_stats_t
18602         objects.
18603         (get_mpt_for): Move from tree-ssa-operands.c.
18604         (find_partition_for): New.
18605         (create_partition_for): Remove.
18606         (estimate_vop_reduction): New.
18607         (update_reference_counts): New.
18608         (build_mp_info): New.
18609         (compute_memory_partitions): Refactor.
18610         Document new heuristic.
18611         Call build_mp_info, update_reference_counts,
18612         find_partition_for and estimate_vop_reduction.
18613         (compute_may_aliases): Populate virtual operands before
18614         calling debugging dumps.
18615         (delete_mem_sym_stats): New.
18616         (delete_mem_ref_stats): New.
18617         (init_mem_ref_stats): New.
18618         (init_alias_info): Call it.
18619         (maybe_create_global_var): Remove alias_info argument.
18620         Get number of call sites and number of pure/const call sites
18621         from gimple_mem_ref_stats().
18622         (dump_alias_info): Call dump_memory_partitions first.
18623         (dump_points_to_info_for): Show how many times a pointer has
18624         been dereferenced.
18625         * opts.c (decode_options): For -O2 set --param
18626         max-aliased-vops to 500.
18627         For -O3 set --param max-aliased-vops to 1000 and --param
18628         avg-aliased-vops to 3.
18629         * fortran/options.c (gfc_init_options): Remove assignment to
18630         MAX_ALIASED_VOPS.
18631         * tree-flow-inline.h (gimple_mem_ref_stats): New.
18632         * tree-dfa.c (dump_variable): Dump memory reference
18633         statistics.
18634         Dump NO_ALIAS* settings.
18635         (referenced_var_lookup): Tidy.
18636         (mem_sym_stats): New.
18637         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
18638         and ORIG are different SSA names for a memory partition.
18639         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
18640         * tree-flow.h (struct mem_sym_stats_d): Define.
18641         (mem_sym_stats_t): Define.
18642         (struct mem_ref_stats_d): Define.
18643         (struct gimple_df): Add field mem_ref_stats.
18644         (enum noalias_state): Define.
18645         (struct var_ann_d): Add bitfield noalias_state.
18646         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
18647         debug_mem_ref_stats, debug_memory_partitions,
18648         debug_mem_sym_stats): Declare.
18649         * tree-ssa-structalias.c (update_alias_info): Update call
18650         sites, pure/const call sites and asm sites in structure
18651         returned by gimple_mem_ref_stats.
18652         Remove local variable IS_POTENTIAL_DEREF.
18653         Increase NUM_DEREFS if the memory expression is a potential
18654         dereference.
18655         Call update_mem_sym_stats_from_stmt.
18656         If the memory references memory, call
18657         update_mem_sym_stats_from_stmt for all the direct memory
18658         symbol references found.
18659         (intra_create_variable_infos): Set noalias_state field for
18660         pointer arguments according to the value of
18661         flag_argument_noalias.
18662         * tree-ssa-structalias.h (struct alias_info): Remove fields
18663         num_calls_found and num_pure_const_calls_found.
18664         (update_mem_sym_stats_from_stmt): Declare.
18665         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
18666         Set default value to 100.
18667         (PARAM_AVG_ALIASED_VOPS): Define.
18668
18669 2007-04-11  Richard Guenther  <rguenther@suse.de>
18670
18671         PR middle-end/31530
18672         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
18673         a * -b + c as c - a * b if we honor sign dependent rounding.
18674
18675 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18676
18677         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
18678         bfin_expand_strmov.
18679         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
18680         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
18681         variables.
18682         (initialize_trampoline): Don't use old-style function definition.
18683         (bfin_secondary_reload): Mark IN_P argument as unused.
18684
18685 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
18686
18687         PR tree-optimization/31343
18688         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
18689         (build_polynomial_chrec): Return a scalar when the evolution is zero.
18690         * testsuite/gcc.dg/vect/pr31343.c: New.
18691
18692 2007-04-10  Eric Christopher  <echristo@apple.com>
18693
18694         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
18695         * config/i386/i386.md (*cmpfp0): Use.
18696         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18697         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18698         (fix_trunc<mode>_i386_fisttp): Ditto.
18699         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18700         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18701         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18702         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18703         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18704         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18705         (unnamed_splitters): Ditto.
18706         * config/i386/i386.c (output_fix_trunc): Assert that
18707         we're not being passed a TFmode operand.
18708
18709 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
18710
18711         PR tree-optimization/31526
18712         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
18713         n_basic_blocks to find newly added blocks.
18714
18715 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
18716
18717         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
18718         alternative.
18719         (fix_trunc<mode>si_sse): Ditto.
18720         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
18721         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
18722         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
18723         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
18724         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
18725         expander using SSEMODEF mode macro.
18726         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
18727         expander using SSEMODEF mode macro.
18728         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
18729         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
18730         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
18731         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
18732         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
18733         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
18734         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
18735         Macroize insn using X87MODEF mode macro.
18736
18737 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
18738
18739         * config/i386/sse.md (sse2_pinsrw): Removed.
18740         (sse2_pextrw): Renamed to ...
18741         (*sse2_pextrw): This.
18742
18743 2007-04-09  Jan Hubicka  <jh@suse.cz>
18744
18745         PR target/27869
18746         * config/i386/sse.md
18747         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
18748         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
18749         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
18750         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
18751
18752 2007-04-09  Jan Hubicka  <jh@suse.cz>
18753
18754         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
18755         multiple fields of union.
18756
18757 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
18758
18759         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
18760         (create_preheaders): Check that loops are available.
18761         (fix_loop_structure): Clean up, improve comments.
18762         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
18763         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
18764         state flags.
18765         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
18766         * predict.c (tree_estimate_probability): Do not call
18767         calculate_dominance_info.  Call create_preheaders.
18768         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
18769         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
18770         flags.
18771         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
18772         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
18773         * tree-cfg.c (tree_split_edge): Make an assert more precise.
18774         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
18775         arguments.
18776
18777 2007-04-08  Jan Hubicka  <jh@suse.cz>
18778
18779         * tree.h (maybe_fold_offset_to_component_ref): Declare.
18780         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
18781         * fold-const.c (fold_unary): Use it.
18782
18783 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18784
18785         * varasm.c (assemble_variable): Remove call to
18786         lang_hooks.decls.prepare_assemble_variable.
18787         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
18788         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
18789         * langhooks.h (lang_hooks_for_decls): Remove
18790         prepare_assemble_variable.
18791
18792 2007-04-08  Mike Stump  <mrs@apple.com>
18793
18794         * config/i386/i386.c: Use inc/dec on Core2.
18795
18796 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
18797
18798         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
18799         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18800         lhd_tree_inlining_end_inlining): Remove.
18801         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
18802         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
18803         end_inlining hooks.
18804         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
18805         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18806         lhd_tree_inlining_end_inlining): Remove prototypes.
18807         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
18808         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
18809         LANG_HOOKS_TREE_INLINING_START_INLINING,
18810         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
18811
18812         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
18813         not set it.
18814
18815 2007-04-08  Anatoly Sokolov <aesok@post.ru>
18816
18817         PR target/29932
18818         * config/avr/predicates.md (io_address_operand): Delete predicate.
18819         (low_io_address_operand): Don't use 'mode' argument.
18820         (higth_io_address_operand): Rename ...
18821         (high_io_address_operand): ... to this. Don't use 'mode' argument.
18822         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
18823         for above change.
18824
18825 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
18826
18827         Revert change removing staticp.
18828
18829 2007-04-07  Anatoly Sokolov <aesok@post.ru>
18830
18831         PR target/30289
18832         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
18833         earlyclobber.
18834
18835 2007-04-07  Bruce Korb  <bkorb@gnu.org>
18836
18837         * c.opt: Add -Wformat-contains-nul.
18838         * c-format.c (set_Wformat): Set warn_format_contains_nul to the
18839           -Wformat setting.
18840         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
18841         the NUL byte warning.
18842
18843 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
18844
18845         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
18846
18847 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18848
18849         * tree.c (staticp): No longer use staticp langhook.
18850         * langhooks.c (lhd_staticp): Removed.
18851         * langhooks.h (struct lang_hooks): Remove staticp.
18852         * c-common.c (c_staticp): Remove.
18853         * c-common.h (c_staticp): Ditto.
18854         * langhooks-defs.h (lhd_staticp): Ditto.
18855         (LHD_HOOKS_STATICP): Ditto
18856         * tree.h (gcc_assert_lowered): New macro.
18857
18858 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
18859
18860         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
18861         argument "reliable".
18862         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
18863         Add argument "reliable".  Propagate it through calls.
18864         (infer_loop_bounds_from_undefined): Derive number of iterations
18865         estimates from references in blocks that do not dominate loop latch.
18866         (gcov_type_to_double_int): New function.
18867         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
18868         and expected_loop_iterations_unbounded.
18869         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
18870         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
18871         * tree-data-ref.c (estimated_loop_iterations): Export.
18872         (get_references_in_stmt): Fix -- do not return addresses of local
18873         objects.
18874         * cfgloop.h (expected_loop_iterations_unbounded,
18875         estimated_loop_iterations): Declare.
18876
18877 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
18878
18879         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
18880
18881 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18882
18883         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
18884         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
18885         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
18886         Use output_387_reg_move().
18887         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
18888         expander using X87MODEF12 mode macro.
18889         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
18890         choosing register preferences.  Use output_387_reg_move().
18891         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
18892         instead of "x".  Use output_387_reg_move().
18893         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
18894         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
18895         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
18896         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
18897         Use output_387_reg_move().
18898         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
18899         mode macro.
18900         (*truncxf?f_i387 splitter): Ditto.
18901
18902 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18903
18904         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
18905         LANG_HOOKS_SAFE_FROM_P.
18906         * expr.c (safe_from_p): Remove langhook call.
18907         * langhooks.h (lang_hooks): Remove safe_from_p.
18908         (lhd_safe_from_p): Remove prototype.
18909         * langhooks.c (lhd_safe_from_p): Remove.
18910
18911 2007-04-06  Jan Hubicka  <jh@suse.cz>
18912
18913         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
18914         functions.
18915
18916 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18917
18918         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
18919         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
18920         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
18921         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
18922         alternative.
18923         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
18924         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
18925
18926 2007-04-05  Richard Henderson  <rth@redhat.com>
18927
18928         * config/alpha/alpha.c (print_operand) [+]: Remove.
18929         (alpha_end_function): Print nop if call at end of function.
18930         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
18931         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
18932         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
18933         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
18934         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
18935         the call pattern. Update peepholes to match.
18936
18937 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
18938
18939         * doc/extend.texi (Other Builtins): Add decimal float variants
18940         of signbit.
18941         * builtins.def: Ditto.
18942         * builtins.c (expand_builtin): Ditto.
18943
18944 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
18945             H.J. Lu  <hongjiu.lu@intel.com>
18946
18947         PR target/31478
18948         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
18949         of V8HImode when calling ix86_binary_operator_ok.
18950         (sse2_pmaddwd): Call ix86_binary_operator_ok.
18951         (sdot_prodv8hi): Operands 1 and 2 must be register.
18952
18953 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18954
18955         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
18956         initialize align to silence bogus warning.
18957
18958 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18959
18960         PR middle-end/22156
18961         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
18962         all_no_warning.
18963         (struct sra_walk_fns): Remove use_all parameter from use.
18964         (sra_hash_tree): Handle BIT_FIELD_REFs.
18965         (sra_elt_hash): Don't hash bitfld blocks.
18966         (sra_elt_eq): Skip them in parent compares as well.  Handle
18967         BIT_FIELD_REFs.
18968         (sra_walk_expr): Don't maintain or pass down use_all_p.
18969         (scan_use): Remove use_all parameter.
18970         (scalarize_use): Likewise.  Re-expand assignment to
18971         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
18972         output, and re-scalarize after output.  Don't mark anything
18973         for no warning.
18974         (scalarize_ldst): Adjust.
18975         (scalarize_walk_gimple_modify_statement): Likewise.
18976         (build_element_name_1): Handle BIT_FIELD_REFs.
18977         (instantiate_element): Don't warn for any element whose parent
18978         is used as a whole.
18979         (instantiate_missing_elements_1): Return the sra_elt.
18980         (canon_type_for_field): New.
18981         (try_instantiate_multiple_fields): New.
18982         (instantiate_missing_elemnts): Use them.
18983         (mark_no_warning): Removed.
18984         (generate_one_element_ref): Handle BIT_FIELD_REFs.
18985         (REPLDUP, sra_build_elt_assignment): New.
18986         (generate_copy_inout): Use them.
18987         (generate_element_copy): Likewise.  Handle bitfld differences.
18988         (generate_element_zero): Don't recurse for blocks.  Use
18989         sra_build_elt_assignment.
18990         (generate_one_element_int): Take elt instead of var.  Use
18991         sra_build_elt_assignment.
18992         (generate_element_init_1): Adjust.
18993         (scalarize_use, scalarize_copy): Use REPLDUP.
18994         (scalarize_ldst): Move assert before dereference.
18995         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
18996
18997 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18998
18999         * regmove.c: Fix unused variable warnings due to previous commit.
19000
19001 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
19002
19003         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
19004         (regmove_bb_head): Remove.
19005         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
19006         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
19007         problems with fixup_match_1.
19008         Don't initialize/free regmove_bb_head.
19009
19010         (reg_is_remote_constant_p): If an insn is in the same basic block
19011         but not before INSN, consider it remote, too.
19012
19013 2007-04-05  Anatoly Sokolov <aesok@post.ru>
19014
19015         PR target/25448
19016         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
19017         DECL_ASSEMBLER_NAME, not the DECL_NAME.
19018
19019 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
19020
19021         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
19022         (CONDITIONAL_REGISTER_USAGE): Likewise.
19023
19024 2007-04-04  Richard Henderson  <rth@redhat.com>
19025
19026         * config/alpha/lib1funcs.asm: Remove unused file.
19027
19028 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
19029
19030         PR other/31356
19031         * opts.c (print_specific_help): Fix --help=<language>
19032         header line.
19033         (common_handle_option): Support --help=common.
19034
19035 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
19036
19037         PR other/31353
19038         * gcc.c (main): Do not run the linker if
19039         print_subprocess_help indicates that it shouldn't be
19040         run.
19041
19042 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
19043
19044         PR doc/31355
19045         * doc/invoke.texi (--help=): Document <languages> value, fix
19046         formatting in tables of values.
19047
19048 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
19049
19050         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
19051         dllimport attribute of virtual methods.
19052
19053 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
19054
19055         * config/score/crti.asm: Change _bss_start to __bss_start.
19056         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
19057         (OUTGOING_REG_PARM_STACK_SPACE) update.
19058         * config/score/score.opt: add options to make backend support
19059         score5, score5u, score7 and score7d.
19060         * config/score/score.md: Likewise.
19061         * config/score/misc.md: Likewise.
19062         * config/score/mac.md: Likewise.
19063         * doc/invoke.texi: Likewise.
19064         * doc/md.texi: update constraints define.
19065
19066 2007-04-03  Richard Henderson  <rth@redhat.com>
19067
19068         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
19069         an appropriate type, use the mode instead.
19070
19071 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
19072
19073         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
19074         Set the default --with-arch setting to mips2.
19075         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
19076         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
19077         (MULTILIB_OSDIRNAMES): Delete.
19078         (MULTILIB_DIRNAMES): Define.
19079         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
19080         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
19081         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
19082         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
19083         VXWORKS_OS_CPP_BUILTINS.
19084         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
19085         (MIPS_DEBUGGING_INFO): Undefine.
19086         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
19087
19088 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
19089
19090         PR middle-end/30704
19091         * fold-const.c (native_encode_real): Encode real.c provided longs
19092         as a series of 32-bit native integers.
19093         (native_interpret_real): Interpret buffer as a series of 32-bit
19094         native integers.
19095
19096 2007-04-03  Richard Guenther  <rguenther@suse.de>
19097
19098         * genpreds.c (write_insn_constraint_len): Write function
19099         optimized for CONSTRAINT_LEN implementation.
19100         (write_tm_preds_h): Output insn_constraint_len inline and
19101         use it for CONSTRAINT_LEN.
19102         (write_insn_preds_c): Don't output insn_constraint_len.
19103         * doc/md.texi (define_register_constraint): Document multi-letter
19104         constraints shall have the same length if they start with the same
19105         letter.
19106
19107 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
19108
19109         PR target/31175
19110         * config/i386/i386.md (isinf<mode>2): Expand only when
19111         TARGET_C99_FUNCTIONS is set.
19112
19113 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
19114
19115         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
19116         (x86_64-*-linux*): Ditto.
19117         * config/i386/i386.opt (mpc): New option.
19118         * config/i386/i386.c (overrride_options): Handle
19119         ix87_precision_string.
19120         * config/i386/crtprec.c: New file.
19121         * config/i386/t-crtpc: Ditto.
19122         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
19123         and -mpc80 options.
19124         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
19125         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
19126         crtprec32.o, crtprec64.o and crtprec80.o.
19127
19128         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
19129         and -mpc80 options.
19130         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
19131
19132 2007-04-02  Eric Christopher  <echristo@apple.com>
19133
19134         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
19135         limitations on darwin.
19136
19137 2007-04-02  Anatoly Sokolov <aesok@post.ru>
19138
19139         PR target/31137
19140         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
19141
19142 2007-04-02  Dave Korn  <dave.korn@artimi.com>
19143
19144         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
19145
19146 2007-04-02  Dave Korn  <dave.korn@artimi.com>
19147
19148         * libgcc2.h (exception_descriptor): Don't forward-declare.
19149         (__get_eh_table_language, __get_eh_table_version): Delete
19150         prototypes of long-dead functions.
19151
19152 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
19153
19154         * ebitmap.h: New file
19155         * ebitmap.c: New file
19156         * Makefile.in (ebitmap.o): New target.
19157
19158 2007-04-01  Jan Hubicka  <jh@suse.cz>
19159
19160         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
19161         before very first instruction.
19162
19163 2007-04-01  Jan Hubicka  <jh@suse.cz>
19164
19165         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
19166         waring on 64bit hosts.
19167         * bitmap.h: Fix typo in bitmap_head_def.
19168
19169 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
19170
19171         PR rtl-optimization/31391
19172         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
19173         into a DELETED_LABEL note, and the label is in an empty basic
19174         block, update BB_END as well as BB_HEAD.
19175
19176 2007-04-01  Richard Henderson  <rth@redhat.com>
19177
19178         PR tree-optimization/31169
19179         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
19180         to varying if the range is outside [0,  prec-1].
19181
19182 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
19183
19184         PR target/31388
19185         * config/mips/mips.md (load_const_gp): New insn.
19186         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
19187         the MIPS16 GP pseudo register if no_new_pseudos.
19188         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
19189
19190 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19191
19192         PR target/31364
19193         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
19194         secureplt.
19195         (call_value): Likewise.
19196
19197 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
19198             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19199
19200         PR 14737
19201         * doc/invoke.texi: (optimization options): Reword description
19202         of -ffast-math. Document its primary purpose.
19203
19204 2007-03-31  Richard Guenther  <rguenther@suse.de>
19205
19206         * omp-low.c (splay-tree.h): Include.
19207         (lookup_decl): Replace splay-tree usage by pointer-map.
19208         (maybe_lookup_decl): Likewise.
19209         (new_omp_context): Likewise.
19210         (delete_omp_context): Likewise.
19211         * gimplify.c (splay-tree.h): Include.
19212         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
19213         pointer-map.
19214         (remap_ssa_name): Likewise.
19215         (remap_decl): Likewise.
19216         (remap_type_1): Likewise.
19217         (remap_type): Likewise.
19218         (copy_body_r): Likewise.
19219         (expand_call_inline): Likewise.
19220         (clone_body): Likewise.
19221         (copy_tree_r): Likewise.
19222         (remap_save_expr): Likewise.
19223         (unsave_r): Likewise.
19224         (unsave_expr_now): Likewise.
19225         (tree_function_versioning): Likewise.
19226         (build_duplicate_type): Likewise.
19227         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
19228         (struct copy_body_data): Replace splay-tree by pointer-map.
19229         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
19230         not $(SPLAY_TREE_H).
19231         (gimplify.o): Depend on $(SPLAY_TREE_H).
19232         (omp-low.p): Likewise.
19233
19234 2007-03-31  Anatoly Sokolov <aesok@post.ru>
19235
19236         * config/avr/predicates.md (even_register_operand,
19237         odd_register_operand): New predicates.
19238         * config/avr/avr.md (movw peephole2): New.
19239         (movw_r peephole2): New.
19240
19241 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
19242
19243         * tree.h (get_signed_or_unsigned_type): New.
19244         * fold-const.c (operand_equal_for_comparison_p): Use
19245         get_signed_or_unsigned_type instead of
19246         lang_hooks.types.signed_or_unsigned_type.
19247         * expr.c (store_expr): Ditto.
19248         * langhooks.c (get_signed_or_unsigned_type): New.
19249         (lhd_signed_or_unsigned_type): New.
19250         * langhooks.h (lhd_signed_or_unsigned_type): New.
19251         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
19252
19253 2007-03-30  Richard Henderson  <rth@redhat.com>
19254
19255         * tree-ssa-loop-ivopts.c: Include target.h.
19256         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
19257         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
19258         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
19259         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
19260
19261 2007-03-30  Richard Henderson  <rth@redhat.com>
19262             Kai Tietz  <kai.tietz@onevision.com>
19263
19264         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
19265         default for 64-bit.
19266         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
19267         (TARGET_64BIT_MS_ABI): New.
19268         (DBX_REGISTER_NUMBER): Handle 64-bit.
19269         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
19270         (LONG_TYPE_SIZE): Force to 32.
19271         (REG_PARM_STACK_SPACE): New.
19272         (OUTGOING_REG_PARM_STACK_SPACE): New.
19273         (REGPARM_MAX, SSE_REGPARM_MAX): New.
19274         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
19275         (STACK_BOUNDARY): Use 128 for 64-bit.
19276         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
19277         Add 64-bit implementation.
19278         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
19279         argument unused.
19280         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
19281         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
19282         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
19283         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
19284         (ix86_handle_cconv_attribute): Don't warn when ignoring if
19285         TARGET_64BIT_MS_ABI.
19286         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
19287         (ix86_pass_by_reference): Likewise.
19288         (ix86_function_value_regno_p): Likewise.
19289         (ix86_build_builtin_va_list): Likewise.
19290         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
19291         (function_arg_advance_ms_64): New.
19292         (function_arg_advance): Call it.
19293         (function_arg_ms_64): New.
19294         (function_arg): Call it.
19295         (function_value_ms_64): New.
19296         (ix86_function_value_1): Call it.
19297         (return_in_memory_ms_64): New.
19298         (ix86_return_in_memory): Call it.
19299         (setup_incoming_varargs_ms_64): New.
19300         (ix86_setup_incoming_varargs): Call it.
19301         (ix86_expand_prologue): Handle 64-bit stack probing.
19302         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
19303         (output_pic_addr_const): Likewise.
19304         (x86_this_parameter): Likewise.
19305         (x86_output_mi_thunk): Likewise.
19306         (x86_function_profiler): Likewise.
19307         (TARGET_STRICT_ARGUMENT_NAMING): New.
19308         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
19309         (TARGET_64BIT_MS_ABI): New.
19310         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
19311         * config/i386/i386.md (allocate_stack_worker): Remove.
19312         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
19313         describe the clobber of eax without a match_scratch.
19314         (allocate_stack_worker_postreload): Remove.
19315         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
19316         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
19317         (allocate_stack_worker_rex64_postreload): Remove.
19318         (allocate_stack): Handle 64-bit.
19319         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
19320         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
19321         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
19322         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
19323         (STANDARD_STARTFILE_PREFIX_1): Likewise.
19324         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
19325         * config.build (x86_64-*-mingw*): New host.
19326         * config.host (x86_64-*-mingw*): New host.
19327         * config.gcc (x86_64-*-mingw*): New target.
19328         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
19329
19330 2007-03-30  Richard Henderson  <rth@redhat.com>
19331             Kai Tietz  <kai.tietz@onevision.com>
19332
19333         * c-pragma.c (struct def_pragma_macro_value): New.
19334         (struct def_pragma_macro): New.
19335         (pushed_macro_table): New.
19336         (dpm_hash, dpm_eq): New.
19337         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
19338         (init_pragma): Install them.
19339         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
19340
19341 2007-03-30  Anatoly Sokolov <aesok@post.ru>
19342
19343         * config/avr/avr.c (avr_override_options): Clear
19344         'flag_delete_null_pointer_checks'.
19345
19346 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
19347
19348         PR c++/26099
19349         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
19350         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
19351         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
19352         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
19353         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
19354         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
19355         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
19356         C++ extensions.
19357         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
19358
19359 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
19360
19361         * regmove.c: Move all of pass_stack_adjustments from here...
19362         * combine-stack-adj.c: ...to this new file.
19363         * Makefile.in: Add rules for combine-stack-adj.o.
19364
19365 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
19366
19367         PR tree-optimization/31383
19368         * tree-data-ref.c (affine_function_equal_p): Do not require the
19369         vectors to have the same length.
19370
19371 2007-03-30  Jan Hubicka  <jh@suse.cz>
19372
19373         PR middle-end/30700
19374         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
19375         availablility; add more sanity checking; ask varpool only about
19376         VAR_DECL.
19377
19378 2007-03-29  Richard Henderson  <rth@redhat.com>
19379
19380         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
19381         to decide, but __SIZEOF_LONG_LONG__.
19382
19383 2007-03-29  Richard Henderson  <rth@redhat.com>
19384
19385         * emutls.c (struct __emutls_array): New.
19386         (emutls_destroy): Use it instead of casting element 0 from void*.
19387         (__emutls_get_address): Likewise.
19388
19389 2007-03-29  Richard Henderson  <rth@redhat.com>
19390
19391         * varasm.c (initializer_constant_valid_p): Don't deny
19392         DECL_DLLIMPORT_P on functions.
19393
19394         * config/i386/cygming.h: Remove function declarations.
19395         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
19396         (ASM_OUTPUT_LABELREF): Remove.
19397         (COMMON_ASM_OP): Remove.
19398         (ASM_OUTPUT_COMMON): Remove.
19399         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
19400         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
19401         (ASM_DECLARE_FUNCTION_NAME): Likewise.
19402         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
19403         Rename from TARGET_ENCODE_SECTION_INFO.
19404         * config/i386/netware.h: Likewise.
19405         * config/i386/i386-protos.h: Update.
19406         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
19407         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
19408         (legitimate_constant_p): Reject dllimports.
19409         (dllimport_map, get_dllimport_decl): New.
19410         (legitimize_dllimport_symbol): New.
19411         (legitimize_address, ix86_expand_move): Use it.
19412         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
19413         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
19414         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
19415         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
19416         * config/i386/predicates.md (constant_call_address_operand): Only
19417         accept symbols; reject dllimport_p symbols.
19418         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
19419         i386_pe_maybe_record_exported_symbol.
19420         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
19421         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
19422         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
19423         trust the setting of DECL_DLLIMPORT_P.
19424         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
19425         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
19426         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
19427         tidy the argument scanning loop.
19428         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
19429         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
19430         (i386_pe_strip_name_encoding): Remove.
19431         (i386_pe_binds_local_p): New.
19432         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
19433         (i386_pe_output_labelref): Remove.
19434         (i386_pe_asm_output_aligned_decl_common): New.
19435         (i386_pe_maybe_record_exported_symbol): Rename from
19436         i386_pe_record_exported_symbol; check for dllexported symbols.
19437
19438 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
19439
19440         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
19441         add comment explaining why vsnprintf cannot be used.
19442
19443 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
19444
19445         PR tree-optimization/30666
19446         * tree.c (build_complex_type): When creating type names for DWARF2
19447         debug info, create TYPE_DECLs for TYPE_NAME instead of
19448         IDENTIFIER_NODEs.
19449         (build_common_tree_nodes_2): Use build_complex_type when building
19450         predefined complex types, to preserve canonical types.
19451
19452 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
19453
19454         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
19455         (noce_get_alt_condition): Look at it to determine whether to
19456         reverse the condition or not.
19457         (noce_get_condition): Substitute the truth for lies.
19458         (noce_find_if_block): Set the then_else_reversed field.
19459
19460 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
19461
19462         * config/fr30/fr30.md (movdi): Do not accept immediates as the
19463         destination of this insn.
19464         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
19465         than calling gen_rtx_SET directly.  Use r0 to hold the value of
19466         'address + 4' rather than a stack based temporary which can be
19467         mis-optimized away.
19468
19469 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19470
19471         * config/s390/s390.c (s390_secondary_input_reload_class,
19472         s390_secondary_output_reload_class): Functions removed.
19473         (s390_secondary_reload): New function.
19474         (TARGET_SECONDARY_RELOAD): Target macro defined.
19475         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
19476         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
19477         * config/s390/s390.md ("reload_outti", "reload_outdi",
19478         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
19479         "reload_out<mode>"): Expanders removed.
19480         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
19481         "reload<mode>_nonoffmem_out"): Expanders added.
19482
19483 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19484
19485         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
19486         action if SRC->DEST replacement failed anyway.
19487
19488 2007-03-28  Mike Stump  <mrs@apple.com>
19489
19490         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
19491         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
19492         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
19493
19494 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
19495
19496         * config.gcc: Accept barcelona as a variant of amdfam10.
19497         * config/i386/i386.c (override_options): Likewise.
19498         * doc/invoke.texi: Likewise.
19499
19500 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
19501
19502         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
19503         offsets for BIT_FIELD_REF and COMPONENT_REF.
19504
19505 2007-03-28  Richard Guenther  <rguenther@suse.de>
19506
19507         * tree.c (is_global_var): Move ...
19508         * tree-flow-inline.h (is_global_var): ... here.
19509         * tree.h (is_global_var): Remove declaration.
19510
19511 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
19512
19513         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
19514         option.
19515         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
19516         * config/i386/i386.c (ix86_tune_features): Initialize new
19517         tuning option.
19518         * config/i386/predicates.md (promotable_binary_operator): Use
19519         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
19520
19521 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
19522
19523         PR target/31380
19524         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
19525
19526 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
19527
19528         * config/fr30/fr30.md (movsi_internal): Change destination
19529         constraint from m to V and add m to the end.
19530
19531 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19532
19533         * config/sh/sh.md (movsi_i): Fix type attribute.
19534
19535 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19536
19537         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
19538         (movsf_ie): Likewise.
19539
19540 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19541
19542         * config.gcc: Add sh4-300 to multilib.
19543         * config/sh/t-mlib-sh4-300: New file.
19544
19545 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
19546
19547         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
19548         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
19549         fix_trunc<mode>di2.
19550         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
19551         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
19552         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
19553         "fixuns_trunctddi2"): Whitespace fix.
19554
19555 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
19556
19557         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
19558         the definition of struct sh_args.
19559         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
19560         CALL_COOKIE_INT_REG_GET): Likewise.
19561
19562 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
19563
19564         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
19565         transformations are applied successfully.
19566
19567 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
19568
19569         * tree.c (tree_contains_struct): Permit 512 tree codes.
19570         * tree.h (tree_contains_struct): Ditto.
19571         (MAX_TREE_CODES): Ditto.
19572         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
19573         SPARE member to store remaining padding bits.
19574
19575 2007-03-27  Anatoly Sokolov <aesok@post.ru>
19576
19577         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
19578         architecture.
19579
19580 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
19581
19582         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
19583         * configure: Regenerate.
19584
19585         * configure: Regenerate using the correct version of autoconf.
19586
19587 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
19588
19589         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
19590         pointer regs.
19591         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
19592         regs to "__SP_L__" and "__SP_H__".
19593
19594 2007-03-27  Richard Guenther  <rguenther@suse.de>
19595
19596         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
19597         computations with it with a HOST_WIDE_INT variable.
19598
19599 2007-03-26  Mike Stump  <mrs@apple.com>
19600
19601         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
19602         objective-c-header, objective-c++-header and objc++-cpp-output
19603         support.
19604         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
19605
19606 2007-03-26  Richard Henderson  <rth@redhat.com>
19607
19608         PR target/31361
19609         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
19610         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
19611         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
19612         IX86_BUILTIN_PSRLQ128): New.
19613         (ix86_init_mmx_sse_builtins): Add them.
19614         (ix86_expand_builtin): Expand them.
19615         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
19616         operand 2 be TImode.
19617         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
19618         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
19619         _mm_srli_epi64): Mark __B const.
19620         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
19621         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
19622         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
19623         new two-vector shift builtins.
19624
19625 2007-03-26  Ian Lance Taylor  <iant@google.com>
19626
19627         PR tree-optimization/31345
19628         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
19629         [+INF, +INF(OVF)] into VARYING.
19630
19631 2007-03-26  Zack Weinberg  <zackw@panix.com>
19632
19633         * gengtype-parse.c: New file.
19634         * gengtype-yacc.y: Delete.
19635         * gengtype-lex.l: Don't include gengtype-yacc.h.
19636         Define YY_DECL and yyterminate appropriately for recursive
19637         descent parser.  yylval is now a string out-parameter to yylex.
19638         (HWS, EOID): New shorthand.
19639         (IWORD): Add a couple more types.
19640         (yylex): Add a setup stanza.  Remove the complex rules for
19641         detecting GTY'ed types and typedefs; replace with simple
19642         keyword detectors.  Adjust everything for the changed
19643         definition of yylval.  Ignore all pp-directives, not just #define.
19644         (yyerror): Delete.
19645         (parse_file): Rename yybegin; do not call yyparse.
19646         (yyend): New.
19647         * gengtype.c (xasprintf): Export again.
19648         (this_file): New.  Use everywhere __FILE__ was being used.
19649         (get_lang_bitmap): Special case types defined in gengtype.c.
19650         (do_typedef, new_structure): Suppress definition of certain types.
19651         (new_structure): Improve diagnostics of duplicate definitions.
19652         Make sure location_s is associated with input.h.
19653         (nreverse_pairs, define_location_structures): New functions.
19654         (main): Improve tagging of kludge types.  Remove old kludges
19655         for input.h types; use define_location_structures.
19656         * gengtype.h: Update prototypes.  Define token codes here.
19657         * Makefile.in: Remove all references to gengtype-yacc.
19658         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
19659         and gengtype.
19660         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
19661         add GTY((skip)) to the field that's only conditionally there.
19662         * doc/install.texi: Document that Bison is no longer required
19663         unless building treelang.
19664
19665         * gengtype.c: Don't include gtyp-gen.h.
19666         (srcdir): Declare here.
19667         (base_files, lang_dir_names): Allocate dynamically.
19668         (gt_files, num_gt_files, num_lang_dirs): New globals.
19669         (measure_input_list, read_input_line, read_input_list)
19670         (set_lang_bitmap): New functions.
19671         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
19672         simplify, relying on read_input_list to set up the bitmaps.
19673         (main): Arguments are no longer unused.  Check for correct number
19674         of command line arguments, set srcdir and srcdir_len, then call
19675         read_input_list, before doing anything else.  No need to worry
19676         about duplicates in main loop.
19677         * configure.ac: Simplify the calculation of all_gtfiles.
19678         Put language tags in there.  Don't set or substitute
19679         all_gtfiles_files_langs or all_gtfiles_files_frags.
19680         * Makefile.in: Revamp the way gengtype is invoked, now that it
19681         takes a file on its command line with a much simpler format.
19682         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
19683         (GTFILES): Remove duplicates and C source files.
19684         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
19685         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
19686         * configure: Regenerate.
19687
19688         * gengtype.h: Remove all type definitions to gengtype.c; leave
19689         only definitions of options_p, type_p, and pair_p as opaque
19690         pointers.  Update prototypes.
19691         * gengtype.c: Many type definitions moved here from gengtype.h.
19692         Consolidate type definitions at the top of the file.
19693         (xvasprintf): Delete.
19694         (xasprintf): Make static.
19695         (create_nested_pointer_option): Add 'next' parameter.
19696         (create_field_all, create_field_at): New functions.
19697         (create_field): Now a thin wrapper around create_field_all.
19698         (create_optional_field): Rename create_optional_field_ and add
19699         line argument.  Original name is now a macro which supplies
19700         __LINE__.
19701         (oprintf): Use vsnprintf directly.
19702         (close_output_files): Use fatal rather than perror/exit.
19703         (note_def_vec, note_def_vec_alloc): Use create_field_at.
19704         (main): Set progname.  Don't use exit.
19705         * gengtype-yacc.y (struct_fields): Use create_field_at.
19706         (option, optionseqopt): Delete.
19707         (optionseq): Consolidate productions from option here so we
19708         can use the first argument to create_option.
19709
19710         * gengtype-lex.l: Distinguish unions from structures in the
19711         token type.  Don't call find_structure; return the tag as a string.
19712         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
19713         ENT_UNION.  Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
19714         string.  Reorganize typedef_struct production accordingly.
19715         Use create_nested_ptr_option.
19716         * gengtype.c (create_nested_ptr_option): New function.
19717         * gengtype.h: Declare it.
19718
19719         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
19720         (string_type): Don't declare.
19721         (do_scalar_typedef): Declare.
19722         (create_scalar_type): Update prototype.
19723         * gengtype.c (string_type): Make static.
19724         (scalar_nonchar, scalar_char): New.
19725         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
19726         (resolve_typedef): Use scalar_nonchar for error recovery.
19727         (create_scalar_type): Remove name_len field.  Return scalar_char
19728         or scalar_nonchar as appropriate.
19729         (adjust_field_type): Look at scalar_is_char boolean to decide whether
19730         to use string_type.
19731         (throughout): Use scalar_nonchar instead of calling
19732         create_scalar_type, whenever possible.
19733         (main): Initialize scalar_char and scalar_nonchar before calling
19734         gen_rtx_next.
19735         * gengtype-lex.l: Adjust for removal of second argument to
19736         create_scalar_type.  Use yylval.s instead of yylval.t when
19737         returning SCALAR.
19738         * gengtype-yacc.y: Type of SCALAR is string.  Call
19739         create_scalar_type from type:SCALAR rule.  Adjust for removal of
19740         second argument to create_scalar_type.
19741
19742         * vec.h: Remove all #if IN_GENGTYPE blocks.
19743         Add comment saying that changes may require adjustments to gengtype.
19744         * gengtype.c: Don't include coretypes.h or tm.h.
19745         Add comment to inclusion of errors.h.
19746         (note_def_vec, note_def_vec_alloc): New functions.
19747         * gengtype.h: Declare new functions.
19748         * gengtype-lex.l: Don't include coretypes.h.
19749         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
19750         Delete.
19751         (update_lineno): Remove unnecessary prototype.
19752         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
19753         (VEC rule): Just return VEC_TOKEN.
19754         * gengtype-yacc.y (VEC_TOKEN): New token type.
19755         (type): Add a production for VEC(a,b).
19756         * Makefile.in: Update dependencies.
19757
19758         * gengtype-lex.l: Remove rules for parsing pointer-to-function
19759         typedefs that use the old PARAMS macro.
19760
19761         * gengtype-lex.l: Remove all rules and states relating to yacc
19762         input files.
19763         * gengtype-yacc.y: Similarly.
19764         * gengtype.c (note_yacc_type): Delete function.
19765         * gengtype.h: Update prototypes.
19766
19767 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
19768
19769         * tree-pretty-print.c (dump_generic_node): Report precision of
19770         unnamed integer types.
19771
19772 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
19773
19774         * ifcvt.c (noce_try_store_flag_constants): Don't check
19775         no_new_pseudos here.
19776         (noce_try_store_flag_constants): Don't check no_new_pseudos.
19777         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
19778         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
19779         noce_try_sign_mask): Likewise.
19780         (if_convert): Check no_new_pseudos here.
19781
19782         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
19783         Remove prototypes.
19784         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
19785         (noce_get_condition): Handle new then_else_reversed argument.
19786         (noce_init_if_info): Remove, fold into noce_find_if_block.
19787         (noce_process_if_block): Take a struct noce_if_info as the
19788         argument.  Don't set up one based on ce_if_info.  Update pointer
19789         references accordingly.
19790         (cond_move_process_if_block): Likewise.
19791         (process_if_block): Removed.
19792         (find_if_block): Removed.  Move functionality two new functions,
19793         noce_find_if_block and cond_exec_find_if_block.
19794         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
19795         blocks and the symmetric IF-ELSE-JOIN case.
19796         (cond_exec_find_if_block): Also new function mostly based on old
19797         find_if_block and process_if_block.
19798         (find_if_header): Replace find_if_block call with separately
19799         guarded calls to noce_find_if_block and cond_exec_find_if_block.
19800         (find_cond_trap): Update noce_get_condition call.
19801         (dead_or_predicable): Likewise.
19802
19803 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
19804
19805         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
19806         Remove.
19807         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
19808         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
19809         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
19810         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
19811         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
19812         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
19813         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
19814         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
19815         __builtin_ia32_psrad128 builtins.
19816
19817 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
19818
19819         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
19820         * config/i386/constraints.md
19821         (define_constraint "I"): Use IN_RANGE macro.
19822         (define_constraint "J"): Ditto.
19823         (define_constraint "K"): Ditto.
19824         (define_constraint "M"): Ditto.
19825         (define_constraint "N"): Ditto.
19826         (define_constraint "O"): Ditto.
19827         * config/i386/predicates.md
19828         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
19829         (define_predicate "const_0_to_3_operand"): Ditto.
19830         (define_predicate "const_0_to_7_operand"): Ditto.
19831         (define_predicate "const_0_to_15_operand"): Ditto.
19832         (define_predicate "const_0_to_63_operand"): Ditto.
19833         (define_predicate "const_0_to_255_operand"): Ditto.
19834         (define_predicate "const_1_to_31_operand"): Ditto.
19835         (define_predicate "const_2_to_3_operand"): Ditto.
19836         (define_predicate "const_4_to_7_operand"): Ditto.
19837
19838 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19839
19840         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
19841         in SImode for save_world.
19842         * config/rs6000/altivec.md (save_world, restore_world): Convert to
19843         LR hard reg.
19844
19845 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
19846
19847         PR tree-optimization/30784
19848         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
19849         BIT_FIELD_REF.
19850
19851 2007-03-25  Revital Eres  <eres@il.ibm.com>
19852
19853         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
19854           Fold movement_possibility function into it.
19855
19856 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19857
19858         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
19859         (load_macho_picbase_{si,di}): Convert to LR hard reg.
19860         (call_indirect_nonlocal_darwin64): Same.
19861         (call_nonlocal_darwin64): Same.
19862         (call_value_indirect_nonlocal_darwin64): Same.
19863         (call_value_nonlocal_darwin64): Same.
19864         (sibcall_nonlocal_darwin64): Same.
19865         (sibcall_value_nonlocal_darwin64): Same.
19866         (sibcall_symbolic_64): Same.
19867         (sibcall_value_symbolic_64): Same.
19868         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
19869         LR pseudo.
19870         (rs6000_emit_load_toc_table): Same.
19871         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
19872         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
19873         (mull_call): Same.
19874         (divss_call): Same.
19875         (divus_call): Same.
19876         (quoss_call): Same.
19877         (quous_call): Same.
19878         (load_toc_v4_pic_si): Same
19879         (load_toc_v4_PIC_1): Same.
19880         (load_toc_v4_PIC_1b): Same.
19881         (call_indirect_aix{32,64}): Same.
19882         (call_value_indirect_aix{32,64}): Same.
19883         (call): Same.
19884         (call_value): Same.
19885         (call_local{32,64}): Same.
19886         (call_value_local{32,64}): Same.
19887         (call_indirect_nonlocal_aix{32,64}): Same.
19888         (call_nonlocal_aix{32,64}): Same.
19889         (call_value_indirect_nonlocal_aix{32,64}): Same.
19890         (call_value_nonlocal_aix{32,64}): Same.
19891         (call_indirect_nonlocal_sysv<mode>): Same.
19892         (call_nonlocal_sysv<mode>): Same.
19893         (call_value_indirect_nonlocal_sysv<mode>): Same.
19894         (call_value_nonlocal_sysv<mode>): Same.
19895         (sibcall): Same.
19896         (sibcall_local{32,64}): Same.
19897         (sibcall_value_local{32,64}): Same.
19898         (sibcall_nonlocal_aix{32,64}): Same.
19899         (sibcall_value_nonlocal_aix{32,64}): Same.
19900         (sibcall_nonlocal_sysv<mode>): Same.
19901         (sibcall_value): Same.
19902         (sibcall_value_nonlocal_sysv<mode>): Same.
19903
19904 2007-03-24  Paul Brook  <paul@codesourcery.com>
19905
19906         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
19907         * config/arm/linux-eabi.h: Remove legacy syscall hack.
19908
19909 2007-03-24  Richard Henderson  <rth@redhat.com>
19910
19911         * config/ia64/constraints.md: New file.
19912         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
19913         satisfies_constraint_?.
19914         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
19915         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
19916         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
19917         ia64_output_mi_thunk): Likewise.
19918         (ia64_const_ok_for_letter_p): Remove.
19919         (ia64_const_double_ok_for_letter_p): Remove.
19920         (ia64_extra_constraint): Remove.
19921         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
19922         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
19923         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
19924         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
19925         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
19926         EXTRA_MEMORY_CONSTRAINT): Remove.
19927         * config/ia64/ia64.md: Include constriants.md.  Replace
19928         CONST_OK_FOR_? with satisfies_constraint_?.
19929
19930 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
19931             H.J. Lu  <hongjiu.lu@intel.com>
19932
19933         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
19934         DPD or BID name.
19935         (name macros): Use DPD_BID_NAME to convert names properly.
19936
19937         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
19938         decimal floating point format.
19939         (init_floating_libfuncs): Change decimal functions so that they
19940         have a "bid_" prefix if the decimal system uses the BID format,
19941         and "dpd_" prefix if the decimal system uses the DPD format.
19942         (init_interclass_conv_libfuncs): Ditto.
19943         (init_intraclass_conv_libfuncs): Ditto.
19944
19945         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19946         using the BID format.
19947
19948         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19949         whether we are using the BID decimal format.
19950         * configure: Regenerate.
19951
19952         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19953         the compiler has decimal floating point enabled.  Define
19954         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19955         instead of DPD.
19956
19957         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19958         using the BID format.
19959
19960         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19961         whether we are using the BID decimal format.
19962         * configure: Regenerate.
19963
19964         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19965         the compiler has decimal floating point enabled.  Define
19966         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19967         instead of DPD.
19968
19969         * doc/install.texi (--enable-decimal-float): Document BID and DPD
19970         options, and that it is enabled for i386/x86_64 systems.
19971
19972         * Makefile.in (enable_decimal_float): New.
19973         (DECNUMFMT): New.
19974         (DECNUMINC): Add  -I$(DECNUMFMT).
19975         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
19976         to $(DECNUMFMT) from $(DECNUM).
19977
19978         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
19979         Substitute enable_decimal_float.
19980         * configure: Regenerated.
19981
19982         PR other/30529
19983         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
19984         unsigned long.
19985
19986         * configure.ac: Enable decimal float for x86_64-*-linux*.
19987         * configure: Regenerated.
19988
19989         PR other/30530
19990         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
19991         decimal128ClearSign to flip and clear the sign bit in decimal128.
19992         (decimal_real_maxval): Set decimal128SetSign to set the sign
19993         bit in decimal128.
19994
19995 2007-03-23  Ian Lance Taylor  <iant@google.com>
19996
19997         * fold-const.c (fold_binary): Correct warning for X - c >= X.
19998
19999 2007-03-23  Ian Lance Taylor  <iant@google.com>
20000
20001         * tree-dump.c (dump_files): Correct comment.
20002
20003 2007-03-23  Ian Lance Taylor  <iant@google.com>
20004
20005         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
20006
20007 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
20008
20009         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
20010         in cfglayout mode.  Don't go into and out of cfglayout mode.
20011         Link the blocks in the order of the constructed traces.
20012         (rest_of_handle_tracer): Adjust call to tracer.
20013         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
20014         Don't go into cfglayout mode.
20015         (rtl_loop_done): Don't go out of cfglayout mode.
20016         * cfglayout.c (relink_block_chain): New function, split out from...
20017         (fixup_reorder_chain): ...here.  Remove redundant checking.
20018         (cfg_layout_finalize): Don't clear the header, footer, and aux
20019         fields here, move the code to do so to relink_block_chain.  Likewise
20020         for free_original_copy_tables.
20021         * rtl.h (tracer): Update prototype.
20022         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
20023         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
20024         mode.  Use relink_block_chain to serialize the CFG according to the
20025         new basic block order.  Move targetm.cannot_modify_jumps_p check from
20026         here...
20027         (gate_handle_reorder_blocks): ...to here.
20028         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
20029         from here...
20030         (gate_duplicate_computed_gotos): ...to here.
20031         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
20032         something always changes when going into and out of cfglayout mode.
20033         Perform an expensive cfg cleanup while going into cfglayout mode.
20034         Always update liveness information on HAVE_conditional_execution
20035         targets.  Reserialize the basic blocks and go out of cfglayout mode.
20036         * reg-stack.c: Include cfglayout.h.
20037         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
20038         the call to reorder_basic_blocks.
20039         * basic-block.h (reorder_basic_blocks): Update prototype.
20040         (relink_block_chain): New prototype.
20041         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
20042
20043 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
20044
20045         * config/mips/mips.md (type, hazard, *movdi_32bit,
20046         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
20047         *movhi_internal, *movqi_internal, *movsf_hardfloat,
20048         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
20049         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
20050         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
20051         applicable.
20052         (movcc): Change first xfer to multi.
20053         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
20054         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
20055         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
20056         config/mips/generic.md: Change reservations using "xfer" to use
20057         "mfc,mtc".
20058         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
20059         using match_operand.
20060         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
20061         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
20062         examining mode.
20063         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
20064
20065 2007-03-22  Richard Henderson  <rth@redhat.com>
20066
20067         * config/i386/i386.c: Remove unnecessary function declarations.
20068         Move targetm definition, and all related macros, to the end of
20069         the file.  Resort some functions to put definitions before uses.
20070         (ix86_attribute_table): Make static.  Move to end of file.
20071         (ix86_gimplify_va_arg): Make static.
20072
20073 2007-03-22  Richard Henderson  <rth@redhat.com>
20074
20075         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
20076         don't increase local_regparm with force_align_arg_pointer check.
20077         (ix86_function_sseregparm): Assert 32-bit.
20078         (type_has_variadic_args_p): New.
20079         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
20080         type_has_variadic_args_p.
20081         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
20082         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
20083         use memset instead.  Do maybe_vaarg check first; skip attribute
20084         tests if true; skip attribute tests for 64-bit.
20085         (construct_container): Remove TARGET_DEBUG_ARG.
20086         (function_arg_advance_32, function_arg_advance_64): Split out ...
20087         (function_arg_advance): ... from here.
20088         (function_arg_32, function_arg_64): Split out ...
20089         (function_arg): ... from here.
20090         (ix86_pass_by_reference): Tidy.
20091         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
20092         (function_value_32): New, from parts of ix86_function_value
20093         and ix86_value_regno.
20094         (function_value_64): New, from parts of ix86_function_value
20095         and ix86_libcall_value.
20096         (ix86_function_value_1): New.
20097         (ix86_function_value, ix86_libcall_value): Use it.
20098         (return_in_memory_32, return_in_memory_64): Split out ...
20099         (ix86_return_in_memory): ... from here.
20100         (ix86_struct_value_rtx): Skip for 64-bit.
20101         (ix86_libcall_value, ix86_value_regno): Remove.
20102         (setup_incoming_varargs_64): Split out ...
20103         (ix86_setup_incoming_varargs): ... from here.
20104         (ix86_va_start): Remove TARGET_DEBUG_ARG.
20105         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
20106         * config/i386/i386-protos.h (ix86_function_value): Remove.
20107         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
20108
20109 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20110
20111         PR other/23572
20112         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
20113         infinities not supported, otherwise emit warning if -Woverflow. On
20114         underflow, emit warning if -Woverflow.
20115         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
20116         and 0 otherwise.
20117         * real.h (real_from_string): Update declaration
20118
20119 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
20120             Richard Henderson  <rth@redhat.com>
20121
20122         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
20123         * calls.c (compute_argument_block_size, expand_call,
20124         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
20125         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
20126         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
20127         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
20128         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
20129         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
20130         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
20131         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
20132         Set to 1.
20133
20134 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
20135
20136         * c-incpath.c (add_sysroot_to_chain): New.
20137         (merge_include_chains): Add sysroot argument.  Call
20138         add_sysroot_to_chain if sysrooted.
20139         (register_include_chains): Update call to merge_include_chains.
20140         * doc/cppopts.texi: Document use of '=' in include directory
20141         arguments.
20142
20143 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
20144
20145         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
20146         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
20147         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
20148         insn pattern using X87MODEF12 mode macro.
20149
20150 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
20151
20152         * regmove.c (regmove_optimize): Use reg_mentioned_p
20153         instead of reg_overlap_mentioned_p for DST.
20154
20155 2007-03-21  Mike Stump  <mrs@apple.com>
20156
20157         * c.opt: Fixup for Objective-C/C++.
20158
20159 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
20160
20161         * explow.c (convert_memory_address): Fold memory reference when
20162         POINTERS_EXTEND_UNSIGNED < 0
20163
20164 2007-03-21  Richard Henderson  <rth@redhat.com>
20165
20166         PR target/31245
20167         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
20168         * config/i386/mmintrin.h (__m64): Likewise.
20169         * config/i386/xmmintrin.h (__m128): Likewise.
20170
20171 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20172
20173         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
20174         (VXWORKS_OS_CPP_BUILTINS): Define.
20175         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
20176         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
20177
20178 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20179
20180         * rtl.h (constant_pool_reference_p): Delete.
20181         (find_constant_src): Declare.
20182         * rtlanal.c (find_constant_src): New function.
20183         * simplify-rtx.c (constant_pool_reference_p): Delete.
20184         * config/i386/i386.md: Use find_constant_src instead of
20185         constant_pool_reference_p/avoid_constant_pool_reference pairs.
20186
20187 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20188
20189         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
20190         * c-cppbuiltin.c (c_cpp_builtins): Define them.
20191
20192 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
20193
20194         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
20195         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
20196         (arm_elf_asm_constructor): Use it.
20197         (arm_elf_asm_destructor): New function.
20198
20199 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
20200
20201         * jump.c (mark_jump_label): Treat SEQUENCE specially.
20202
20203 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
20204
20205         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
20206
20207 2007-03-19  Andrew Haley  <aph@redhat.com>
20208
20209         PR tree-optimization/31264
20210         * tree-vrp.c (register_edge_assert_for_1): Don't look though
20211         VIEW_CONVERT_EXPRs.
20212
20213 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
20214
20215         PR rtl-optimization/30907
20216         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
20217         (fwprop_init): Always call loop_optimizer_initialize.
20218         (fwprop_done): Always call loop_optimizer_finalize.
20219         (fwprop): We always have loop info now.
20220         (gate_fwprop_addr): Remove.
20221         (pass_fwprop_addr): Use gate_fwprop as gate.
20222
20223         PR rtl-optimization/30841
20224         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
20225         df_chain_alloc): Call df_reorganize_refs unconditionally.
20226         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
20227         refs_organized to refs_organized_size.
20228         (df_ref_create_structure): Use refs_organized_size instead of
20229         bitmap_size if refs had been organized, and keep refs_organized_size
20230         up-to-date.
20231         * df.h (struct df_ref_info): Change refs_organized to
20232         refs_organized_size.
20233         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
20234         bitmap_size.
20235
20236 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
20237
20238         * except.c (output_function_exception_table): Do not reference the
20239         EH personality routine for functions that do not require an
20240         exception table.
20241
20242 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
20243
20244         PR c/30762
20245         * c-typeck.c (convert_for_assignment): Call comptypes for
20246         RECORD_TYPE or UNION_TYPE.
20247
20248         PR inline-asm/30505
20249         * reload1.c (reload): Do invalid ASM checking after
20250         cleanup_subreg_operands.
20251
20252 2007-03-19  Jeff Law  <law@redhat.com>
20253
20254         * tree-cfg.c (find_taken_edge): Tighten conditions for
20255         optimizing computed gotos.
20256
20257 2007-03-19  Michael Matz  <matz@suse.de>
20258
20259         * builtins.c (expand_builtin_sync_operation,
20260         expand_builtin_compare_and_swap,
20261         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
20262         correctly.
20263
20264         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
20265         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
20266         for operand 3.
20267
20268 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20269
20270         * doc/tm.texi: Add brackets around the return type of
20271         TARGET_SECONDARY_RELOAD.
20272
20273 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20274         Richard Guenther  <rguenther@suse.de>
20275
20276         PR tree-optimization/31254
20277         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
20278         Use handled_component_p () where appropriate.  Continue
20279         propagating into the rhs if we propagated into an INDIRECT_REF
20280         on the lhs.
20281
20282 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20283
20284         * config/s390/s390.md (op_type attribute): RRR instruction type added.
20285         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
20286         (xde, xdee): Mode attributes adjusted to support DFP modes.
20287         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
20288         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
20289         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
20290         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
20291         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
20292         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
20293         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
20294         numbers.
20295         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
20296         "movsf"): Insn definitions removed.
20297         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
20298         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
20299         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
20300         definitions added.
20301         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
20302         "reload_in<mode>", "reload_out<mode>"): Expander added.
20303         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
20304         Expander removed.
20305
20306 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20307
20308         * config/s390/s390.md: Only non-functional changes.  Renamed
20309         FPR mode macro to BFP all over the file.
20310
20311 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20312
20313         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
20314         (op_type attribute): RRF instruction type added.
20315         (fT0): New mode attribute.
20316         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
20317         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
20318         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
20319         instruction no secondary memory is needed when moving DFmode values
20320         between GPRs and FPRs.
20321
20322 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20323
20324         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
20325         inverted and documentation adjusted.
20326         ("mhard-dfp", "msoft-dfp"): New options.
20327         * config/s390/s390.c (s390_handle_arch_option): New architecture
20328         switch: z9-ec.
20329         (override_options): Sanity checks for the new options added.
20330         * config.gcc: New architecture switch: z9-ec.
20331         * config/s390/s390.h (processor_flags): PF_DFP added.
20332         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
20333         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
20334         when the bit is NOT set so remove it from the defaults.
20335
20336 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20337
20338         * genemit.c (main): Print include statement for dfp.h.
20339         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
20340         is not available.
20341
20342 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
20343
20344         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
20345
20346 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
20347
20348         PR target/31022
20349         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
20350         instead of PATTERN.
20351
20352 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20353
20354         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
20355         attr_length_call, output_call, output_indirect_call): Cleanup
20356         formatting of targetm calls.
20357
20358 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
20359
20360         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
20361
20362 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20363
20364         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
20365         reservation, bypass and anti-bypass descriptions for these
20366         instructions.  Update move patterns.
20367         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
20368         TYPE_FPSTORE.
20369
20370 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
20371
20372         * tree-vect-transform.c (get_initial_def_for_induction): Replace
20373         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
20374         (get_initial_def_for_reduction): Likewise.
20375
20376 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
20377
20378         Fix PR tree-optimization/29922
20379         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
20380         (get_representative): Removed.
20381         (value_dies_in_block_x): Update for rvuse removal.
20382         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
20383         (compute_antic_aux): Handle when PHI nodes appear in
20384         non-single-successors.
20385         (dump_bitmap_of_names): Removed.
20386         (compute_antic_safe): Renamed and removed rvuse calculation.
20387         Calculate only antic safe.
20388         (insert_into_preds_of_block): Remove assert.
20389         (execute_pre): Update for renamed functions.
20390         (defer_or_phi_translate_block): New function.
20391
20392 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20393
20394         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
20395         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
20396         typos.
20397         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
20398         Follow spelling conventions.
20399
20400         * tree-data-ref.h: Remove the prototype for analyze_array.
20401
20402 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
20403
20404         PR tree-optimization/31041
20405         * tree-vect-transform.c (get_initial_def_for_induction): Call
20406         force_gimple_operand.
20407
20408 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
20409
20410         * ipa-type-escape.c (look_for_casts) : Revert code to use
20411         handled_component_p due to ada test a-numaux.adb.
20412
20413 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20414
20415         * final.c (final_scan_insn): Alter the condition of a
20416         conditional trap if we have nonstandard CC.
20417
20418 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20419
20420         * configure.ac: Remove excess quoting from asm line 0 test.
20421         * configure: Rebuilt.
20422
20423 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20424
20425         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
20426         * c-common.c (convert_and_check): Move warning logic to...
20427         (warnings_for_convert_and_check): ...here. Define.
20428         * c-common.h (warnings_for_convert_and_check): Declare.
20429
20430 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20431
20432         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
20433         (output_call): Likewise.
20434
20435 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20436
20437         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
20438
20439 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20440
20441         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
20442
20443 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
20444
20445         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
20446         opteron, athlon-64 and athlon-fx processor_alias_table entries.
20447
20448 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
20449
20450         PR tree-optimization/31183
20451         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
20452         Use double_int instead of unsigned int for representing access_strides.
20453         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
20454
20455 2007-03-16  Richard Guenther  <rguenther@suse.de>
20456
20457         PR tree-optimization/31146
20458         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
20459         to allow recursion of forward_propagate_addr_expr.
20460         (forward_propagate_addr_into_variable_array_index): Likewise.
20461         (forward_propagate_addr_expr): Likewise.
20462         (tree_ssa_forward_propagate_single_use_vars): Likewise.
20463         (forward_propagate_addr_expr_1): Recurse on simple copies
20464         instead of propagating into them.  Do so for useless conversions
20465         as well.
20466         (forward_propagate_addr_expr): Clean up unused statements after
20467         recursion.
20468
20469 2007-03-16  Richard Guenther  <rguenther@suse.de>
20470
20471         * builtins.c (expand_builtin_cexpi): Use the right argument
20472         for the expansion via cexp.
20473
20474 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20475
20476         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
20477         * configure: Rebuilt.
20478
20479 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20480
20481         PR debug/29906
20482         * dwarf2out.c (force_type_die): Adjust comment.
20483         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
20484
20485 2007-03-15  DJ Delorie  <dj@redhat.com>
20486
20487         * config/frv/predicates.md (minmax_operator): Don't check operands
20488         here.
20489
20490 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20491
20492         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
20493         Update constant estimates of number of iterations.
20494         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
20495         argument renamed to "realistic".
20496         (compute_estimated_nb_iterations): Removed.
20497         (record_niter_bound): New function.
20498         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
20499         call record_nonwrapping_iv with upper = false.
20500         (infer_loop_bounds_from_signedness): Pass upper argument to
20501         record_nonwrapping_iv.
20502         (estimate_numbers_of_iterations_loop): Do not call
20503         compute_estimated_nb_iterations.  Record estimate based on profile
20504         information.  Initialize the constant estimates of number of
20505         iterations.
20506         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
20507         estimates.
20508         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
20509         number of iterations is too small.
20510         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
20511         (EST_NOT_AVAILABLE): Removed.
20512         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
20513         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
20514         fields.
20515
20516 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20517
20518         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
20519         Handle NE_EXPR guards.
20520
20521 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20522
20523         PR c++/24924
20524         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
20525         Set also -pedantic-errors by default for the  preprocessor unless
20526         -fpermissive is given.
20527
20528 2007-03-15  Richard Guenther  <rguenther@suse.de>
20529
20530         PR middle-end/29719
20531         PR middle-end/31161
20532         * builtins.c (expand_builtin_cexpi): As a fallback if we
20533         don't have builtins for sincos or cexp create a function
20534         declaration for cexp and expand to a call to that.
20535         (expand_builtin_int_roundingfn): Always fall
20536         back to floor/ceil and its variants even if they may be
20537         not available.
20538
20539 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
20540
20541         PR middle-end/31159
20542         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
20543         jump tables, move the call to delete_dead_jumptables from here...
20544         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
20545         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
20546         don't allow merging of blocks that try_redirect_by_replacing_jump
20547         also does not handle when not optimizing.
20548
20549 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20550             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
20551
20552         * config/i386/i386.md (x86_sahf_1): Correctly handle
20553         HAVE_AS_IX86_SAHF.
20554
20555 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20556
20557         PR target/31167
20558         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
20559         x86_64_general_operand as operand[2] predicate.  Remove "iF"
20560         from operand constraints and use "e" constraint instead.
20561         (*subti3_1, *subti3_1 splitter): Ditto.
20562         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
20563         operand[1] predicate.
20564
20565 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
20566
20567         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
20568         arrays, multiply the access strides by the size of the sub-array.
20569         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
20570
20571 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20572
20573         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
20574         the configured assembler supports the sahf mnemonic.
20575         * configure: Regenerate.
20576         * config.in: Regenerate.
20577
20578         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
20579         emit "sahf" or ".byte\t0x9e" as asm template.
20580
20581 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
20582
20583         PR 31018
20584         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
20585         option to replace hard coded TARGET_xxx in md file.
20586         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
20587         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20588         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
20589         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
20590         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
20591         (X86_TUNE_NOT_VECTORMODE): Ditto.
20592         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
20593         (TUNE_AVOID_VECTOR_DECODE): Ditto.
20594         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20595         (TUNE_SLOW_IMUL_IMM8): Ditto.
20596         (TUNE_MOVE_M1_VIA_OR): Ditto.
20597         (TUNE_NOT_UNPAIRABLE): Ditto.
20598         (TUNE_NOT_VECTORMODE): Ditto.
20599
20600         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
20601         options.
20602
20603         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
20604         tuning options instead of hard coded TARGET_xxx.
20605         (fix ssemode peephole2's): Ditto.
20606         (imul peephole2's): Ditto.
20607         (movsi_or): Ditto.
20608         (movdi_or_rex64): Ditto.
20609         (move peephole2): Ditto.
20610         (not peephole2's): Ditto.
20611
20612 2007-03-14  Dirk Mueller  <dmueller@suse.de>
20613
20614         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
20615         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
20616         * c-parser.c (c_parser_if_body): Always add an empty statement in case
20617         of empty body.
20618         * c-parser.c (c_parser_do_statement): Warn about empty body in
20619         do/while statement.
20620         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
20621         * doc/invoke.texi (-Wempty-body): Update documentation.
20622
20623 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20624
20625         PR c/21438
20626         * c-common.h (warn_for_div_by_zero): Declare.
20627         * c-common.c (warn_for_div_by_zero): Define.
20628         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
20629         warning.
20630
20631 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20632
20633         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
20634         to PREFIX and STANDARD_PREFIX.
20635
20636 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20637             Phil Edwards  <phil@codesourcery.com>
20638
20639         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
20640         (__gthread_once_t): Remove busy field for RTPs.
20641         (__GTHREAD_ONCE_INIT): Update accordingly.
20642
20643 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20644
20645         * doc/invoke.texi: Document VxWorks options.
20646
20647 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20648
20649         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
20650
20651 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
20652
20653         PR tree-optimization/30590
20654         * tree-nrv.c (tree_nrv): Check for the partial update of the
20655         return value.
20656
20657 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20658
20659         * flags.h (flag_random_seed): Remove declaration, in favor of...
20660         * toplev.h (get_random_seed, set_random_seed): ... these.
20661         * tree.c (get_file_function_name): Use the former.
20662         * opts.c (common_handle_option): Use the latter.
20663         * toplev.c
20664
20665 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
20666
20667         PR middle-end/31127
20668         * cse.c (cse_find_path): Do not bail out if a basic block that
20669         we already visited now becomes part of a path that starts at a
20670         different basic block.  Just disallow this, to make sure we
20671         visit each basic block at most once.
20672
20673 2007-03-13  Jan Hubicka  <jh@suse.cz>
20674
20675         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
20676         attributes, when profile esitmate is present, calls with very low
20677         frequency are cold.
20678
20679 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
20680
20681         PR tree-optimization/30730
20682         PR tree-optimization/26900
20683         * tree-ssa-loop-niter.c: Include gmp.h.
20684         (bounds): New type.
20685         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
20686         split_to_var_and_offset, determine_value_range,
20687         bound_difference_of_offsetted_base, refine_bounds_using_guard,
20688         bound_difference, bounds_add, bounds_negate,
20689         number_of_iterations_ne_max, dump_affine_iv): New functions.
20690         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20691         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
20692         difference of initial and final value of control iv to validate
20693         results.
20694         (number_of_iterations_cond): Add loop parameter.  Determine bounds
20695         on the difference of the extremes of the control iv.  Add dumps.
20696         (expand_simple_operations): Handle phi nodes.
20697         (simplify_using_initial_conditions): Do not record used conditions.
20698         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
20699         Do not set additional_info.
20700         (implies_nonnegative_p, implies_ge_p): Removed.
20701         (derive_constant_upper_bound): Do not use parameter `additional'.
20702         (record_estimate): Parameter `additional' removed.  Parameter
20703         `i_bound' added.  Do not call derive_constant_upper_bound.
20704         (record_nonwrapping_iv): Use derive_constant_upper_bound to
20705         bound the number of iterations estimate.
20706         (estimate_numbers_of_iterations_loop): Pass the estimate from
20707         the number of iterations analysis to record_estimate.
20708         * tree.h (multiple_of_p): Declare.
20709         * tree-scalar-evolution.c (expression_expensive_p): Removed.
20710         (scev_const_prop): Do not check expression_expensive_p.
20711         * fold-const.c (multiple_of_p): Exported.
20712         * double-int.c (double_int_mask): Exported.
20713         * double-int.h (double_int_mask): Declare.
20714         * tree-flow.h (struct tree_niter_desc): Removed additional_info
20715         field.  Added max field.
20716
20717 2007-03-13  David Taylor  <taylor@candd.org>
20718
20719         PR driver/12448:
20720         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
20721         default -MQ.
20722
20723 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20724
20725         PR target/31123
20726         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
20727         two unamed patterns.
20728
20729 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
20730
20731         * config/i386/i386.opt (mcx16, msahf): New options.
20732         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
20733         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
20734
20735         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
20736         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
20737         Output -mcx16 and -msahf options when corresponding bit is set.
20738
20739         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
20740         and -msahf options.
20741
20742 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20743
20744         * configure.ac: Test for assembler tolerance to # 0 "".
20745         * configure, config.in: Rebuilt.
20746         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
20747
20748 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
20749
20750         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
20751
20752         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
20753         (handle_syscall): Handle direct system calls.
20754         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
20755
20756 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20757
20758         * doc/invoke.texi: Fix cpp.info cross-reference.
20759         * doc/passes.texi: Fix gcc.info cross-reference.
20760
20761 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
20762
20763         PR tree-optimization/30835
20764         * lambda-code.c (can_convert_to_perfect_nest): Check whether
20765         bb_for_stmt is not NULL before accessing it.
20766
20767 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
20768
20769         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
20770         some multilibs.
20771
20772 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20773
20774         PR 30635
20775         * doc/install.texi: Document --enable-stage1-languages
20776
20777 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
20778
20779         * tree-pass.h (pass_into_cfg_layout_mode,
20780         pass_outof_cfg_layout_mode): Declare.
20781         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
20782         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
20783         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
20784         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
20785
20786 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
20787
20788         * c-decl.c (warn_variable_length_array): New function.
20789         Refactored from grokdeclarator to handle warn_vla
20790         and handle unnamed array case.
20791         (grokdeclarator): Refactored VLA warning case.
20792         * c.opt (Wvla): New flag.
20793         * doc/invoke.texi (Wvla): New warning.
20794
20795 2007-03-12  Richard Henderson  <rth@redhat.com>
20796
20797         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
20798         (TARGET_SECTION_TYPE_FLAGS): New.
20799
20800 2007-03-12  Richard Henderson  <rth@redhat.com>
20801
20802         * config/darwin.c (machopic_reloc_rw_mask): New.
20803         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
20804         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
20805
20806 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
20807
20808         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
20809         * cppdefault.h (cpp_PREFIX): Document.
20810         (cpp_PREFIX_len): Likewise.
20811         (cpp_EXEC_PREFIX): New variable.
20812         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
20813         * c-incpath.c (add_standard_paths): Correct logic for relocating
20814         paths within prefix.
20815
20816 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
20817
20818         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
20819         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
20820         mode macro.
20821         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
20822         fix_truncdfdi_sse using SSEMODEF mode macro.
20823         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
20824         fix_truncdfsi_sse using SSEMODEF mode macro.
20825         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
20826         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
20827
20828 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
20829
20830         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
20831         elfos.h to tm_file.
20832
20833 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
20834
20835         * tree.h : Add multiple_of_p declaration.
20836         * fold-const.c (multiple_of_p): Make multiple_of_p public.
20837         * ipa-type-escape.c (results_of_malloc): Redundant.
20838         (visited_stmts): New. Visited stmt for walk_use_def_chains.
20839         (cast_type): Extended with new members.
20840         (check_cast): Returns cast_type.
20841         (cast): New structure for data of walk_use_def_chains.
20842         (is_malloc_result, is_cast_from_non_pointer_1,
20843         is_cast_from_non_pointer,
20844         is_array_access_through_pointer_and_index): New functions.
20845         (look_for_casts): Returns cast types.
20846         (check_call): Returns void.
20847         (okay_pointer_operation): Use support of pointer plus index,
20848         pointer plus constant and allow all multiplications.
20849
20850 2007-03-11  Richard Guenther  <rguenther@suse.de>
20851
20852         PR tree-optimization/31115
20853         * tree-vrp.c (extract_range_from_binary_expr): Make sure
20854         the shift count is positive and non-anti-range for RSHIFT_EXPR.
20855         A shift count of zero is not special as with *_DIV_EXPR.
20856         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
20857         direction.
20858
20859 2007-03-11  Ian Lance Taylor  <iant@google.com>
20860
20861         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
20862         the *_DIV_EXPR codes correctly with overflow infinities.
20863
20864 2007-03-11  Ira Rosen  <irar@il.ibm.com>
20865
20866         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
20867         indicate success/failure of the analysis. Add negation to subtrahend
20868         in case of subtraction. Fail if both operands contain constants.
20869         (create_data_ref): Fail if analyze_offset fails.
20870
20871 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
20872
20873         * config/i386/i386.md (frndintxf2): Rename to ...
20874         (rintxf2): ... this. Remove expander having same name.
20875         (rintsf2, rintdf2): Implement using SSEMODEF macro.
20876         (roundsf2, rounddf2): Ditto.
20877         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
20878         (lround<mode>di2, lround<mode>si2): Ditto.
20879
20880 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
20881
20882         * lower-subreg.c: Include except.h.
20883         (decompose_multiword_subregs): Verify that the only control flow
20884         insns we can split are loads to multi-words pseudos.
20885         Handle breaking such blocks after splitting, instead of calling
20886         find_many_sub_basic_blocks.
20887
20888         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
20889         on the new basic block.  Add a lengthy comment explaining why we
20890         thought this was necessary.
20891         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
20892
20893 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
20894
20895         PR c++/30924
20896         * tree.c (walk_type_fields): Recurse into the element type of
20897         ARRAY_TYPEs if there is a pointer set.
20898
20899 2007-03-10  Dirk Mueller  <dmueller@suse.de>
20900
20901         * c-common.c (warn_logical_operator): Fix condition.
20902
20903 2007-03-10  Tobias Schlï¿½ter  <tobi@gcc.gnu.org>
20904
20905         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
20906         quotation mark.
20907         * config/darwin.c (machopic_select_section): Remove superfluous
20908         argument in call to categorize_decl_for_section.  Remove unused
20909         variable shlib.
20910
20911 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
20912
20913         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
20914         defined.
20915         * configure: Regenerate.
20916
20917 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
20918
20919         PR target/31101
20920         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
20921         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
20922         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
20923         Add LABEL_NUSES to emitted label.
20924         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
20925         branch probability value to emitted jump insn.
20926         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
20927         Do not check life information and do not re-arrange input operands
20928         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
20929
20930 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20931
20932         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
20933         the change of decode_asm_operands.
20934
20935 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20936
20937         * mode-switching.c (create_pre_exit): Skip blockage insn.
20938
20939 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
20940
20941         * tree-pass.h (TODO_update_smt_usage): Remove.
20942         Update all users.
20943         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
20944         argument SOME.
20945         Update all users.
20946
20947 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20948
20949         * pa.c (attr_length_call): Revise condition for long
20950         pc-relative branch.
20951         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
20952         local calls on the SOM target.  Don't use "LONG_PIC_PCREL" call
20953         sequence on SOM target.
20954
20955 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
20956
20957         * gcc.c: Document %{, in big comment at top.
20958         (input_suffix_matches): Remove special handling for .s and
20959         .S.
20960         (input_spec_matches): New.
20961         (handle_braces): Handle %{,.
20962         (validate_switches): ',' indicates a value which is not a switch.
20963         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
20964         to detect assembler input.
20965         * config/i386/sol2.h (CPP_SPEC): Likewise.
20966         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
20967         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
20968         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
20969         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
20970         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
20971         -m64 causes deployment target to default to 10.5.
20972         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
20973
20974 2007-03-09  Richard Henderson  <rth@redhat.com>
20975
20976         PR target/26090
20977         * target.h (targetm.asm.out.reloc_rw_mask): New.
20978         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
20979         (TARGET_ASM_OUT): Use it.
20980         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
20981         * varasm.c (categorize_decl_for_section): Remove shlib argument;
20982         use the new reloc_rw_mask target hook instead.
20983         (default_section_type_flags_1): Merge into...
20984         (default_section_type_flags): ... here.
20985         (decl_readonly_section_1): Merge into...
20986         (decl_readonly_section): ... here.
20987         (default_elf_select_section_1): Merge into...
20988         (default_elf_select_section): ... here.
20989         (default_unique_section_1): Merge into...
20990         (default_unique_section): ... here.
20991         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
20992         (default_select_rtx_section): Use it.
20993         (default_elf_select_rtx_section): Likewise.
20994         * output.h: Update to match.
20995         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
20996         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
20997         (TARGET_ASM_RELOC_RW_MASK): New.
20998         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
20999         to categorize_decl_for_section.
21000         (x86_64_elf_unique_section): Likewise.
21001         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
21002         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
21003         (TARGET_ASM_RELOC_RW_MASK): New.
21004         * config/ia64/ia64.c (ia64_rwreloc_select_section,
21005         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
21006         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
21007         (TARGET_RWRELOC): Remove.
21008         (ia64_section_type_flags): Adjust call to default_section_type_flags.
21009         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
21010         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
21011         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
21012         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
21013         (rs6000_xcoff_select_section): Use decl_readonly_section.
21014         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
21015         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
21016         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
21017         (TARGET_SECTION_TYPE_FLAGS): Remove.
21018         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
21019
21020 2007-03-09  Roger Sayle  <roger@eyesopen.com>
21021
21022         * fold-const.c (fold_comparison): Remove compile-time evaluation of
21023         complex constant equality/inequality comparisons for here.
21024         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
21025         known at compile-time or can be simplified to a scalar comparison.
21026         (fold_relational_const): Move compile-time evaluation of complex
21027         constant equality/inequality comparisons to here.
21028
21029 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21030
21031         PR rtl-optimization/30643
21032         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
21033         dest_addr_elt.
21034         (fold_rtx): Recurse, like before 2006-11-03.
21035
21036 2007-03-09  DJ Delorie  <dj@redhat.com>
21037
21038         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
21039         m32c-pragma.o.
21040
21041 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
21042
21043         PR tree-optimization/30375
21044         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
21045         LHS of statements is not the same.
21046         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
21047
21048 2007-03-09  Chao-ying Fu  <fu@mips.com>
21049
21050         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
21051         REV 2.
21052         * doc/invoke.texi (-mdspr2): Document new option.
21053         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
21054         New unspec for DSP REV 2.
21055         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
21056         these instructions are extended in DSP REV 2.
21057         (mips-dspr2.md): Include.
21058         * config/mips/mips.opt (mdspr2): New option.
21059         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
21060         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
21061         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
21062         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
21063         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
21064         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
21065         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
21066         and 2 builtins.
21067         (bdesc_map): Add one field of unsupported_target_flags.
21068         (bdesc_arrays): Update entries to have extra fields.  Add
21069         dsp_32only_bdesc.
21070         (mips_init_builtins): Initialize new function types.
21071         Check unsupported_target_fileds to filter out builtins.
21072         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
21073         TARGET_DSPR2.
21074         (ASM_SPEC): Pass mdspr2 to the assembler.
21075         * config/mips/mips-dspr2.md: New file.
21076
21077 2007-03-09  Sa Liu  <saliu@de.ibm.com>
21078
21079         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
21080
21081 2007-03-09  Ian Lance Taylor  <iant@google.com>
21082
21083         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
21084         argument) like -Wstrict-overflow=2.
21085         * doc/invoke.texi (Warning Options): Update documentation.
21086
21087 2007-03-09  Dirk Mueller  <dmueller@suse.de>
21088
21089         PR c++/17946
21090         * doc/invoke.texi (-Wlogical-op): Document.
21091         * common.opt (-Wlogical-op): New.
21092         * c-common.h (warn_logical_operator): Declare.
21093         * c-common.c (warn_logical_operator): Define.
21094         * c-typeck.c (parser_build_binary_op): Call
21095         warn_logical_operator.
21096
21097 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21098
21099         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
21100         * final.c (final_scan_insn): Test for non-"" file name.
21101
21102 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
21103
21104         * doc/loop.texi: Document the Omega linear constraints solver.
21105         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
21106         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
21107         omega-hash-table-size, omega-max-keys, and
21108         omega-eliminate-redundant-constraints.
21109         * tree-pass.h (pass_check_data_deps): Declared.
21110         * omega.c: New.
21111         * omega.h: New.
21112         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
21113         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
21114         pass_check_data_deps): New.
21115         * tree-data-ref.c (init_data_ref): Remove declaration.
21116         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
21117         (analyze_array): Renamed init_array_ref, move up initializations.
21118         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
21119         Removed arguments that are set to NULL.
21120         (analyze_indirect_ref): Correct indentation, correct call to
21121         init_pointer_ref.
21122         (object_analysis): Call init_array_ref instead of analyze_array.
21123         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
21124         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
21125         of DR_ACCESS_FNS_ADDR.
21126         (init_omega_eq_with_af, omega_extract_distance_vectors,
21127         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
21128         ddr_consistent_p): New.
21129         (compute_affine_dependence): Check consistency of ddrs when
21130         flag_check_data_deps is passed.
21131         (analyze_all_data_dependences): Uncomment.
21132         (tree_check_data_deps): New.
21133         * tree-data-ref.h: Include omega.h.
21134         (DR_ACCESS_FNS_ADDR): Removed.
21135         (data_dependence_relation): Add inner_loop.
21136         (DDR_INNER_LOOP): New.
21137         * common.opt (fcheck-data-deps): New.
21138         * tree-flow.h (tree_check_data_deps): Declare.
21139         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
21140         (OBJS-common): Depend on omega.o.
21141         (omega.o): Define.
21142         * passes.c (pass_check_data_deps): Scheduled.
21143         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
21144         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
21145         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
21146         PARAM_VECT_MAX_VERSION_CHECKS,
21147         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
21148
21149 2007-03-09  Richard Guenther  <rguenther@suse.de>
21150
21151         PR tree-optimization/30904
21152         PR middle-end/31058
21153         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
21154         the same way as *_DIV_EXPR.
21155
21156 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21157
21158         * recog.c (decode_asm_operands): No mixed declarations and code.
21159
21160 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21161
21162         * rtl.def (ASM_INPUT): Add location.
21163         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
21164         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
21165         (decode_asm_operands): Add loc operand.
21166         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
21167         * stmt.c (expand_asm): Rename to...
21168         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
21169         gen_rtx_ASM_INPUT_loc.
21170         (expand_asm_expr): Adjust.
21171         * recog.c (decode_asm_operands): Add loc operand.
21172         (check_asm_operands, extract_insn): Adjust.
21173         * reload1.c (maybe_fix_stack_asms): Likewise.
21174         * final.c (asm_insn_count): Likewise.
21175         (final_scan_insn): Output # line before and after asm.
21176
21177 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
21178
21179         * tree-ssa-structalias.c (variable_info): Remove
21180         finished_solution.
21181         (new_var_info): Ditto.
21182         (shared_bitmap_info_t): New structure.
21183         (shared_bitmap_table): New variable.
21184         (shared_bitmap_hash): New function.
21185         (shared_bitmap_eq): Ditto
21186         (shared_bitmap_lookup): Ditto.
21187         (shared_bitmap_add): Ditto.
21188         (merge_smts_into): Change to take bitmap directly.
21189         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
21190         (init_alias_vars): Init shared bitmap hashtable.
21191         (delete_points_to_sets): Delete shared bitmap hashtable.
21192         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
21193         is_aliased removal as a change that was still necessary was
21194         deleted.
21195
21196 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
21197
21198         * config/i386/i386.h (override_options): Conditionally disable
21199         x86_sahf for 64bit targets only.
21200
21201 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21202
21203         PR C/31072
21204         * c-decl.c (merge_decls): Don't call make_var_volatile.
21205         * varasm.c (make_var_volatile): Remove.
21206         * output.h (make_var_volatile): Remove.
21207
21208 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
21209
21210         PR tree-optimization/31085
21211         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
21212
21213 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21214
21215         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
21216         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
21217         ATTR_CONST_NOTHROW_LIST.
21218
21219         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
21220         FIX_TRUNC_EXPR.
21221
21222 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
21223
21224         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
21225
21226 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
21227
21228         PR 31013
21229         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
21230         is declared.
21231         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
21232         passed, use shared libgcc.
21233
21234 2007-03-08  Roger Sayle  <roger@eyesopen.com>
21235
21236         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
21237         instead of calling build2 with a GIMPLE_MODIFY_STMT.
21238         (honor_protect_cleanup_actions, lower_try_finally_switch):
21239         Likewise.
21240         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
21241         ifc_temp_var): Likewise.
21242         * tree-inline.c (setup_one_parameter): Likewise.
21243         * tree-mudflap.c (mf_decl_cache_locals,
21244         mf_build_check_statement_for): Likewise.
21245         * tree-nested.c (init_tmp_var, save_tmp_var,
21246         finalize_nesting_tree_1): Likewise.
21247         * tree-outof-ssa.c (insert_copy_on_edge,
21248         insert_backedge_copies): Likewise.
21249         * tree-profile.c (tree_gen_edge_profiler,
21250         tree_gen_ic_profiler): Likewise.
21251         * tree-scalar-evolution.c (scev_const_prop): Likewise.
21252         * tree-sra.c (sra_build_assignment): Likewise.
21253         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
21254         * tree-ssa-math-opts.c (insert_reciprocals,
21255         execute_cse_sincos_1): Likewise.
21256         * tree-tailcall.c (adjust_accumulator_values,
21257         adjust_return_value): Likewise.
21258         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
21259         * tree-vect-transform.c (vect_create_data_ref_ptr,
21260         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
21261         vect_create_epilog_for_reduction, vectorizable_reduction,
21262         vectorizable_call, vectorizable_conversion,
21263         vectorizable_assignment, vectorizable_operation,
21264         vectorizable_type_demotion, vect_gen_widened_results_half,
21265         vect_permute_store_chain, vectorizable_store,
21266         vect_setup_realignment, vect_permute_load_chain,
21267         vectorizable_load, vectorizable_condition,
21268         vect_create_cond_for_align_checks): Likewise.
21269         * tree-vrp.c (build_assert_expr_for): Likewise.
21270
21271 2007-03-08  Ian Lance Taylor  <iant@google.com>
21272
21273         * tree-vrp.c: Include "intl.h".
21274         (usable_range_p): New static function.
21275         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
21276         overflowed values, juts set *strict_overflow_p.
21277         (compare_values): Only return -2 if one of the operands is not a
21278         constant.
21279         (compare_ranges): Call usable_range_p.
21280         (compare_range_with_value): Likewise.
21281         (vrp_evaluate_conditional_warnv): Rename from
21282         vrp_evaluate_conditional.  Make static.  Change all callers.
21283         (vrp_evaluate_conditional): New function.
21284         (simplify_div_or_mod_using_ranges): Issue warning about reliance
21285         on signed overflow.
21286         (simplify_abs_using_ranges): Likewise.
21287         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
21288         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
21289         within_stmt parameter.
21290         * tree-ssa-propagate.c (fold_predicate_in): Update call to
21291         vrp_evaluate_conditional.
21292         * tree-ssa-threadedge.c
21293         (record_temporary_equivalences_from_stmts_at_dest): Change
21294         simplify parameter to take a second tree parameter.
21295         (simplify_control_stmt_condition): Likewise.
21296         (thread_across_edge): Likewise.
21297         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21298         (thread_across_edge): Likewise.
21299         * Makefile.in (tree-vrp.o): Depend upon intl.h.
21300
21301 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
21302
21303         * config/i386/i386.h (TARGET_SAHF): New define.
21304         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
21305         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
21306         (x86_sahf): New global variable.
21307         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
21308         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
21309         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
21310         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
21311         for 64-bit.
21312         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
21313         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
21314         when expanding fcomi/sahf based tests.
21315         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
21316         expanding sahf based alternative. Emit sahf based sequence when
21317         optimizing for code size.
21318         * config/i386/i386.md (x86_sahf_1): Do not disable for
21319         TARGET_64BIT, enable for TARGET_SAHF.
21320
21321 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
21322
21323         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
21324         spurious whitespace from error message.
21325
21326 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
21327
21328         PR c++/30852
21329         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
21330
21331 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
21332
21333         * c-decl.c (grokdeclarator): Disable warnings for anonymous
21334         bitfields.
21335         * tree-sra.c (instantiate_element): Propagate disabled warnings
21336         from the element itself to the created variable.
21337
21338 2007-03-07  Richard Henderson  <rth@redhat.com>
21339
21340         PR target/30848
21341         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
21342         silently fix up the stack in the case of a missing register.
21343
21344 2007-03-07  Paul Brook  <paul@codesourcery.com>
21345
21346         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
21347
21348 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
21349
21350         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
21351         New.
21352         (phase1_vrs): Use them.
21353         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
21354         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
21355         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
21356         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
21357         __gnu_Unwind_Restore_WMMXC if required.
21358         (_Unwind_VRS_Pop): Implement iWMMXt support.
21359         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
21360         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
21361         gnu_Unwind_Save_WMMXC): Define.
21362
21363 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21364
21365         * config/vxworks.h (vxworks_override_options): Declare.
21366         (VXWORKS_OVERRIDE_OPTIONS): Use it.
21367         * config/vxworks.c: Include target.h and toplev.h.
21368         (vxworks_override_options): New function.
21369         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
21370
21371 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
21372
21373         * config/s390/s390.c (override_options): Don't emit an error when
21374         -mstack-size is used without providing -mstack-guard.
21375         (s390_emit_prologue): Choose stack_guard value automatically if not
21376         provided via command line.
21377         * doc/invoke.texi: Adjust description of -mstack-guard and
21378         -mstack-size.
21379
21380 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21381
21382         * config/i386/i386.c (output_set_got): Add a GOT initialization
21383         sequence for VxWorks PIC.
21384         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
21385         around labels as well as symbols.  Use gotoff_operand instead
21386         of local_symbolic_operand.
21387         (legitimize_pic_address): Use gotoff_operand instead of
21388         local_symbolic_operand.  Use @GOT accesses for labels as
21389         well as symbols.
21390         (ix86_output_addr_diff_elt): Use PC-relative rather than
21391         GP-relative offsets for VxWorks PIC.
21392         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
21393         no_new_pseudos.  Check whether the returned register is op0.
21394         * config/i386/i386.md (tablejump): Use PC-relative rather than
21395         GP-relative offsets for VxWorks PIC.
21396         * config/i386/predicates.md (gotoff_operand): New predicate.
21397
21398 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21399
21400         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
21401         before defining.
21402         * config/vxworks-dummy.h: New file.
21403         * config/i386/i386.h: Include it.
21404
21405 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
21406
21407         * dwarf2out.c (is_inlined_entry_point): New
21408         (add_high_low_attributes): Emit DW_AT_entry_pc along with
21409         DW_AT_ranges if the first subblock is the entry point.
21410
21411 2007-03-06  David Daney  <ddaney@avtrex.com>
21412
21413         * doc/install.texi (mips-*-*): Change recommended binutils
21414         version.
21415
21416 2007-03-06  Anatoly Sokolov <aesok@post.ru>
21417
21418         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
21419         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
21420         devices.
21421         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
21422         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
21423
21424 2007-03-06  Jan Hubicka  <jh@suse.cz>
21425
21426         * errors.h (warning, error, fatal, internal_error): Mark as cold.
21427         * predict.c (maybe_hot_bb): Cold functions are never hot; hot
21428         functions are hot.
21429         (probably_cold_bb_p): Cold functions are cold.
21430         (probably_never_executed_bb_p): Cold functions are cold.
21431         (tree_bb_level_predictions): Predict calls to cold functions as not
21432         taken.
21433         (compute_function_frequency): Check hot/cold attributes.
21434         * function.h (function_frequency): Update comments.
21435         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
21436         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
21437         (c_common_att): Add cold and hot.
21438
21439         * doc/extend.texi (hot,cold attributes): Document.
21440
21441 2007-03-06  Andrew Haley  <aph@redhat.com>
21442
21443         * function.c (expand_function_end): Move blockage to just after we
21444         emit the label for the naked return from the function.
21445
21446 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21447
21448         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
21449         before redefining.
21450
21451 2007-03-06  Jan Hubicka  <jh@suse.cz>
21452
21453         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
21454         loaded for constant large models.  Non-large 64bit PIC can do.
21455         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
21456         * cmodel.h: Add LARGE PIC.
21457         * i386.md (UNSPEC_PLTOFF): New.
21458         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
21459         unspecs as needed.
21460         (*call_1_rex64): Disable for large models.
21461         (*call_1_rex64_large): New.
21462         (*call_value_1_rex64): Disable for large models.
21463         (*call_value_1_rex64_large): New.
21464         (set_rip_rex4): New.
21465         (set_got_offset_rex64): New.
21466         * predicates.md (constant_call_address_operand): For large model
21467         constant calls are not possible.
21468         * i386-protos.h (construct_plt_address): Declare.
21469         * i386.c (override_options): Accept large models.
21470         (ix86_expand_prologue): Expand large PIC GOT pointer load.
21471         (legitimate_constant_p): Add new UNSPECs.
21472         (legitimate_pic_operand_p): Likewise.
21473         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
21474         (legitimize_pic_address): Do easy RIP relative way for TLS only for
21475         non-large model.
21476         (output_pic_addr_const): Add PLTOFF.
21477         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
21478         (ix86_expand_move): Legitimize pic address when in PIC mode.
21479         (construct_plt_address): New function.
21480         (ix86_expand_call): Offload the address to register and use GOT
21481         pointer for large model.
21482         * invoke.texi (mcmodel=large): Update documentation.
21483
21484 2007-03-06  Richard Henderson  <rth@redhat.com>
21485
21486         * config/i386/i386.c (x86_use_leave, x86_push_memory,
21487         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
21488         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
21489         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
21490         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
21491         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
21492         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
21493         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
21494         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
21495         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21496         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21497         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
21498         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21499         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21500         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
21501         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
21502         x86_schedule, x86_use_bt, x86_pad_returns,
21503         x86_use_xchgb): Merge into ...
21504         (ix86_tune_features): ... here.  New array.
21505         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21506         x86_bswap): Merge into ...
21507         (ix86_arch_features): ... here.  New array.
21508         (x86_3dnow_a): Remove.
21509         (x86_accumulate_outgoing_args): Make static.
21510         (x86_arch_always_fancy_math_387): Make static.
21511         (ix86_tune_mask, ix86_arch_mask): Move ...
21512         (override_options): ... to local variables here.  Apply the
21513         appropriate mask to each element of ix86_arch_features and
21514         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
21515         as were done in the old macros.
21516         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
21517         * config/i386/i386.h (x86_use_leave, x86_push_memory,
21518         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
21519         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
21520         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
21521         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
21522         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
21523         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
21524         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
21525         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
21526         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
21527         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21528         x86_accumulate_outgoing_args, x86_prologue_using_move,
21529         x86_epilogue_using_move, x86_decompose_lea,
21530         x86_arch_always_fancy_math_387, x86_shift1,
21531         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21532         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21533         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
21534         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21535         x86_use_incdec, x86_pad_returns, x86_bswap,
21536         x86_partial_flag_reg_stall): Remove.
21537         (enum ix86_tune_indices): New.
21538         (ix86_tune_features): New.
21539         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
21540         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
21541         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
21542         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
21543         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
21544         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
21545         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
21546         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
21547         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
21548         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
21549         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
21550         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
21551         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
21552         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
21553         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
21554         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
21555         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
21556         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
21557         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
21558         TARGET_EXT_80387_CONSTANTS): Use it.
21559         (enum ix86_arch_indices): New.
21560         (ix86_arch_features): New.
21561         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
21562         TARGET_BSWAP): Use it.
21563         (ix86_tune_mask, ix86_arch_mask): Remove.
21564
21565 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
21566
21567         PR bootstrap/31020
21568         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
21569         Define using $${sysroot_headers_suffix}.
21570         * configure: Regenerate.
21571         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
21572         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
21573         defined.
21574         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
21575         * gcc.c (print_sysroot_headers_suffix): New.
21576         (option_map): Include --print-sysroot-headers-suffix.
21577         (display_help): Mention -print-sysroot-headers-suffix.
21578         (process_command): Handle -print-sysroot-headers-suffix.
21579         (do_spec_1): Append multilib directory to include-fixed path if
21580         sysroot suffixes in use.
21581         (main): Handle -print-sysroot-headers-suffix.
21582         * Makefile.in (start.encap): Don't depend on xlimits.h
21583         (xlimits.h): Remove.
21584         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
21585         limits.h for each multilib in fixinc_list.
21586         (fixinc_list, s-fixinc_list): New.
21587         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
21588         generate them for each multilib in fixinc_list.
21589         (stmp-fixproto): Use include-fixed.  Run fixproto for each
21590         multilib in fixinc_list.
21591         (mostlyclean): Don't remove xlimits.h.
21592         (clean): Remove include-fixed.
21593         (real-install-headers-tar, real-install-headers-cpio,
21594         real-install-headers-cp): Don't copy include, only include-fixed.
21595         (install-mkheaders): Depend on fixinc_list.  Don't depend on
21596         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
21597         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
21598         SYSTEM_HEADER_DIR setting in mkheaders.conf.
21599
21600 2007-03-06  Jan Hubicka  <jh@suse.cz>
21601
21602         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
21603         NANs easilly.
21604
21605 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21606
21607         * configure.ac: Allow tm_file to contain build-directory files.
21608         * configure: Regenerate.
21609         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
21610         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
21611         * config/m68k/print-sysroot-suffix.sh: New file.
21612
21613 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21614
21615         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
21616         of pic_offset_table_rtx if reload_completed.
21617         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
21618         PIC_OFFSET_TABLE_REGNUM.
21619         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
21620         return true.
21621         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
21622         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
21623
21624 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21625
21626         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21627         functions that call eh_return.
21628
21629 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21630
21631         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21632         functions that need a constant pool.
21633
21634 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21635
21636         PR target/28181
21637         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
21638         (m68k_preferred_reload_class): Likewise.
21639         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
21640         (SECONDARY_RELOAD_CLASS): Define.
21641         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
21642         (LIMIT_RELOAD_CLASS): Delete.
21643         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
21644         registers from storing bytes.
21645         (m68k_secondary_reload_class): New function.
21646         (m68k_preferred_reload_class): Likewise.
21647
21648 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21649
21650         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
21651         leaf functions.
21652         (m68k_expand_prologue): Likewise.
21653
21654 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21655
21656         * config/m68k/m68k-protos.h (output_sibcall): Declare.
21657         (mips_expand_epilogue): Add a bool parameter.
21658         (m68k_legitimize_sibcall_address): Declare.
21659         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
21660         (m68k_expand_epilogue): Add a parameter to select between sibling
21661         and normal epilogues.  Only generate a return for the latter.
21662         (m68k_ok_for_sibcall_p): New function.
21663         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
21664         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
21665         (sibcall_value, *sibcall_value): Likewise.
21666         (*call, *call_value): Require !SIBLING_CALL_P.
21667         (epilogue): Update call to m68k_expand_epilogue.
21668         (sibcall_epilogue): New pattern.
21669         * config/m68k/predicates.md (const_call_operand): Say that this
21670         predicate applies to sibling calls too.
21671         (sibcall_operand): New predicate.
21672
21673 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21674
21675         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
21676         alternatives as movsi_cf.
21677         (movsf_cf_hard): Add commentary.
21678
21679 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
21680             Richard Sandiford  <richard@codesourcery.com>
21681
21682         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
21683         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
21684         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
21685         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
21686         as being live on exit from an interrupt function.
21687         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
21688         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
21689         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
21690         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
21691         (m68k_interrupt_function_p): Globalize.
21692         (m68k_compute_frame_layout): Remove reverse mask code.
21693         (m68k_emit_movem, m68k_set_frame_related): New functions.
21694         (m68k_output_function_prologue): Delete in favor of...
21695         (m68k_expand_prologue): ...this new function.
21696         (m68k_output_function_epilogue): Delete in favor of...
21697         (m68k_expand_epilogue): ...this new function.
21698         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
21699         functions.
21700         (print_operand): Handle %?.
21701         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
21702         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
21703         (prologue, epilogue): New patterns.
21704         (return): Turn into a define_expand.
21705         (*return): New pattern, derived from old "return" pattern.  Use rte
21706         rather than rts for interrupt functions.  Only use rtd if the pop
21707         count is nonzero.
21708         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
21709         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
21710         (link, *link, unlink, *unlink, load_got): Likewise.
21711
21712 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21713
21714         PR target/23482
21715         PR target/17114
21716         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
21717         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
21718         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
21719         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
21720         and m68k_matches_u_p.
21721         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
21722         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
21723         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
21724         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
21725         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
21726         (REG_STRICT_P): New macro.
21727         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
21728         PCREL_GENERAL_OPERAND_OK.
21729         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
21730         m68k_legitimate_base_reg_p.
21731         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
21732         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
21733         (PIC_CASE_VECTOR_ADDRESS): Update comment.
21734         * config/m68k/m68k.c (m68k_address): New structure.
21735         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
21736         (m68k_decompose_index, m68k_legitimate_constant_address_p)
21737         (m68k_jump_table_ref_p, m68k_decompose_address)
21738         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
21739         (m68k_matches_u_p): New functions.
21740         (print_operand_address): Rewrite to use m68k_decompose_index.
21741
21742 2007-03-05  David Taylor  <dtaylor@emc.com>
21743
21744         * gcc.c: Correct copyright date in --version output.
21745
21746 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21747
21748         * pa.md: In unamed move patterns, disparge copies between general
21749         and floating point registers using '?' modifier.  Don't include 'f'
21750         constraint for register preferences in DImode, SImode, HImode and
21751         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
21752         Remove constraints for copies between general and floating registers
21753         in soft-float DFmode pattern.
21754         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
21755         floating register.
21756         (movsf): Likewise.
21757
21758 2007-03-05  Mike Stump  <mrs@apple.com>
21759
21760         * c-common.c (targetcm): Add.
21761         * c-opts.c (c_common_handle_option): Handle language specific
21762         target options.
21763         * opts.c (handle_option): Verify language for target options, if
21764         any are given.
21765         * opth-gen.awk: Add CL_LANG_ALL.
21766         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
21767         (TARGETCM_INITIALIZER): Add.
21768         * target.h (struct gcc_targetcm): Add.
21769         (targetcm): Add.
21770         * targhooks.c (default_handle_c_option): Add.
21771         * targhooks.h (default_handle_c_option): Add.
21772         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
21773
21774         * config/darwin.opt (iframework): Add.
21775         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
21776         * config/darwin-c.c (handle_c_option): Add.
21777         (TARGET_HANDLE_C_OPTION): Add.
21778         (targetcm): Add.
21779         * doc/invoke.texi (Darwin Options): Add -iframework.
21780
21781 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21782
21783         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
21784         conversion.
21785
21786 2007-03-05  Ian Lance Taylor  <iant@google.com>
21787
21788         * c.opt (fgnu89-inline): New option.
21789         * c-opts.c (c_common_post_options): Set default value for
21790         flag_gnu89_inline.
21791         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
21792         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
21793         inline functions.
21794         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
21795         (grokdeclarator, start_function): Likewise.
21796         * c-cppbuiltin.c (c_cpp_builtins): Define either
21797         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
21798         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
21799         (C Dialect Options): Document -fgnu89-inline.
21800         * doc/extend.texi (Function Attributes): Explain what the
21801         gnu_inline attribute does.
21802         * doc/cpp.texi (Common Predefined Macros): Document
21803         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
21804
21805 2007-03-05  Ian Lance Taylor  <iant@google.com>
21806
21807         PR tree-optimization/31034
21808         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
21809         half-range if the other side is an overflow infinity.
21810
21811 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
21812
21813         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
21814         (bfin*-linux-uclibc*): New configuration.
21815         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
21816         defining.
21817         * config/bfin/linux.h: New file.
21818         * config/bfin/libgcc-bfin.ver: New file.
21819         * config/bfin/t-bfin-uclinux: New file.
21820         * config/bfin/t-bfin-linux: New file.
21821         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
21822         (TARGET_OS_CPP_BUILTINS): New macro.
21823
21824 2007-03-05  Richard Guenther  <rguenther@suse.de>
21825
21826         * fold-const.c (fold_binary): Remove duplicate folding
21827         of comparison of non-null ADDR_EXPR against null.
21828
21829 2007-03-05  Richard Guenther  <rguenther@suse.de>
21830             Dorit Nuzman  <dorit@il.ibm.com>
21831
21832         PR tree-optimization/26420
21833         * tree-vectorizer.c (vectorize_loops): Bail out early if there
21834         are no loops in the function.  Only print the number of
21835         vectorized loops if it is greater than zero or we are supposed
21836         to print information about unvectorized loops.
21837
21838 2007-03-05  Revital Eres  <eres@il.ibm.com>
21839
21840         * gcc.dg/var-expand1.c: New test.
21841         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
21842         when an accumulator is expanded.
21843
21844 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21845
21846         PR other/30465
21847         * c-common.c (convert_and_check): Don't give warnings for
21848         conversion if 'expr' already overflowed.
21849
21850 2007-03-04  Roger Sayle  <roger@eyesopen.com>
21851
21852         PR middle-end/30744
21853         * fold-const.c (fold_comparison): Enforce type consistency when
21854         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
21855
21856 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
21857
21858         * tree-ssa-address.c (create_mem_ref): Do not put an expression
21859         containing a cast to the base of TARGET_MEM_REF.
21860
21861 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
21862
21863         * tree.c (tree_contains_struct_check_failed): Remove spurious
21864         whitespace from error message.
21865
21866 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
21867
21868         PR target/30406
21869         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
21870         instead of precision.
21871
21872 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
21873             Nathan Sidwell  <nathan@codesourcery.com>
21874
21875         * emit-rtl.c (find_auto_inc): New.
21876         (try_split): recreate REG_INC notes,
21877         Use regular for loops rather than whiles.
21878
21879 2007-03-03  Andreas Schwab  <schwab@suse.de>
21880
21881         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
21882         * configure: Regenerate.
21883
21884 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21885
21886         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
21887         flag_rounding_math, not flag_unsafe_math_optimizations.
21888
21889         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
21890         fold_build2.
21891         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
21892         alpha_fold_vector_minmax): Likewise.
21893         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
21894         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
21895
21896 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21897
21898         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
21899         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
21900         if the lhs has side-effects.
21901         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
21902
21903 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21904
21905         * config/i386/i386.h (TUNEMASK): Remove define.
21906         (ARCHMASK): Remove define.
21907         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
21908          Use ix86_arch_mask variable instead of ARCHMASK.
21909         * config/i386/i386.c (override_options): Ditto.
21910         (standard_80387_constant_p): Ditto.
21911
21912 2007-03-02  Ian Lance Taylor  <iant@google.com>
21913
21914         Used signed infinities in VRP.
21915         * tree-vrp.c (uses_overflow_infinity): New static function.
21916         (supports_overflow_infinity): New static function.
21917         (make_overflow_infinity): New static function.
21918         (negative_overflow_infinity): New static function.
21919         (positive_overflow_infinity): New static function.
21920         (is_negative_overflow_infinity): New static function.
21921         (is_positive_overflow_infinity): New static function.
21922         (is_overflow_infinity): New static function.
21923         (overflow_infinity_range_p): New static function.
21924         (compare_values_warnv): New function split out of compare_values.
21925         (compare_value): Call it.
21926         (set_value_range_to_nonnegative): Add overflow_infinity
21927         parameter.  Change caller.
21928         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
21929         Change callers.
21930         (vrp_expr_computes_nonzero): Likewise.
21931         (compare_ranges, compare_range_with_value): Likewise.
21932         (compare_name_with_value, compare_names): Likewise.
21933         (vrp_evaluate_conditional): Likewise.
21934         (set_value_range): Handle infinity
21935         (vrp_operand_equal_p, operand_less_p): Likewise.
21936         (extract_range_from_assert): Likewise.
21937         (vrp_int_const_binop): Likewise.
21938         (extract_range_from_binary_expr): Likewise.
21939         (extract_range_from_unary_expr): Likewise.
21940         (extract_range_from_comparison): Likewise.
21941         (extract_range_from_expr): Likewise.
21942         (dump_value_range): Likewise.
21943         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
21944         (test_for_singularity): Likewise.
21945         (vrp_int_const_binop): Remove inline qualifier.
21946         (adjust_range_with_scev): Add comment.
21947         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21948
21949 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
21950
21951         * tree-ssa-structalias.c (could_have_pointers): Tidy.
21952         (get_constraint_for): Likewise.
21953         (do_structure_copy): Likewise.
21954         (find_func_aliases): Fix references to MODIFY_EXPR.
21955         (intra_create_variable_infos): Tidy.
21956         * tree-ssa-operands.c (add_virtual_operand): Add argument
21957         IS_CALL_SITE.
21958         When adding members of alias sets, if IS_CALL_SITE is true and
21959         the symbol is not call-clobbered, skip it.
21960         Adjust all callers.
21961
21962 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21963
21964         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
21965         entry by means of emit_insn_at_entry.
21966
21967 2007-03-02  Richard Henderson  <rth@redhat.com>
21968
21969         * expr.h (promoted_input_arg): Remove decl.
21970         * function.c (promoted_input_arg): Merge into ...
21971         * combine.c (setup_incoming_promotions): ... only caller.
21972         Rearrange to avoid double loop.
21973
21974 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21975             Peter Bergner  <bergner@vnet.ibm.com>
21976             Janis Johnson  <janis187@us.ibm.com>
21977
21978         * config/rs6000/dfp.md: New file.
21979         * config/rs6000/rs6000.md: Include dfp.md.
21980         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
21981         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
21982         and TDmode decimal float modes in FP registers.
21983         (num_insns_constant): Likewise.
21984         (rs6000_legitimate_offset_address_p): Likewise.
21985         (rs6000_legitimize_address): Likewise.
21986         (rs6000_legitimize_reload_address): Likewise.
21987         (rs6000_legitimate_address): Likewise.
21988         (rs6000_emit_move): Likewise.
21989         (function_arg_boundary): Likewise.
21990         (function_arg_advance): Likewise.
21991         (rs6000_darwin64_record_arg_recurse): Likewise.
21992         (function_arg): Likewise.
21993         (rs6000_gimplify_va_arg): Likewise.
21994         (rs6000_split_multireg_move): Likewise.
21995         (rs6000_output_function_epilogue): Likewise.
21996         (rs6000_output_function_epilogue): Likewise.
21997         (rs6000_register_move_cost): Likewise.
21998         (rs6000_function_value): Likewise.
21999         (rs6000_libcall_value): Likewise.
22000
22001 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
22002
22003         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
22004
22005 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
22006
22007         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
22008         Use $MULTIDIR to choose between the kernel and RTP headers,
22009         and use $WIND_BASE and $WIND_USR to locate them.
22010
22011 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
22012
22013         * config/i386/i386.c (override_options): Put initialization of
22014         ix86_tune_mask and ix86_arch_mask to the correct place.
22015
22016 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
22017             Michael Meissner  <michael.meissner@amd.com>
22018
22019         PR target/31019
22020         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
22021         (ARCHMASK): Define.
22022         (TARGET_CMOVE): Use ARCHMASK.
22023         (TARGET_CMPXCHG): Ditto.
22024         (TARGET_CMPXCHG8B): Ditto.
22025         (TARGET_XADD): Ditto.
22026         (TARGET_BSWAP): Ditto.
22027         * config/i386/i386.c (ix86_tune_mask): New global variable.
22028         (ix86_arch_mask): Ditto.
22029         (override_options): Initialize ix86_tune_mask and
22030         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
22031         target_flags.
22032
22033 2007-03-02  Ben Elliston  <bje@au.ibm.com>
22034
22035         PR 30992
22036         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
22037
22038 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
22039
22040         * target.h (init_dwarf_reg_sizes_extra): New target hook.
22041         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
22042         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
22043         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
22044         hook.
22045         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
22046         rs6000_init_dwarf_reg_sizes_extra): New.
22047         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
22048         SPE register high parts.
22049
22050 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
22051
22052         * Makefile.in: Add install-pdf target as
22053         copied from automake v1.10 rules.
22054         * configure.ac: Add install-pdf to target list.
22055         * configure: Regenerate.
22056
22057 2007-03-01  Paul Brook  <paul@codesourcery.com>
22058
22059         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
22060         modes to LDRD for DImode.
22061         (output_move_double): Fixup out of range ldrd/strd.
22062         (vfp_secondary_reload_class): Rename...
22063         (coproc_secondary_reload_class): ... to this.  Add wb argument.
22064         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
22065         coproc_secondary_reload_class for CLASS_IWMMXT.
22066         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
22067         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
22068
22069 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
22070
22071         * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
22072         unroll factor by the estimated number of iterations.
22073         (loop_prefetch_arrays): Do not prefetch in loops that iterate less
22074         than prefetch latency.
22075
22076         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
22077         decode_caches_intel, detect_caches_intel): New functions.
22078         (host_detect_local_cpu): Use detect_caches_amd and
22079         detect_caches_intel.
22080
22081 2007-03-01  Richard Henderson  <rth@redhat.com>
22082
22083         * expr.c (emit_move_complex_push): Export.
22084         (emit_move_complex_parts): Split out from ...
22085         (emit_move_complex): ... here.
22086         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
22087         * config/i386/i386.md (movcdi): New.
22088
22089 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
22090
22091         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
22092         size of mode1 to check for tieable modes in MMX case.
22093
22094 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
22095
22096         * Makefile.in (rtlanal.o): Depend on tree.h.
22097         * rtl.h (offset_within_section_p, split_const): Declare.
22098         * rtlanal.c: Include tree.h.
22099         (offset_within_block_p): New function, taken from
22100         mips_offset_within_object_p.
22101         (split_const): New function, taken from mips_split_const.
22102         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
22103         Declare.
22104         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
22105         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
22106         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
22107         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
22108         (m68k_illegitimate_symbolic_constant_p): New function.
22109         * config/m68k/m68k.md (movsi): Remove misleading predicates.
22110         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
22111         symbolic constant that might be outside the symbol's section,
22112         move the symbol first and then add the offset.
22113         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
22114         Override.
22115         * config/mips/mips.c (mips_split_const): Delete.
22116         (mips_offset_within_object_p): Delete.
22117         (mips_symbolic_constant_p): Use offset_within_section_p and
22118         split_const instead of mips_offset_within_object_p and
22119         mips_split_const.
22120         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
22121         (mips_legitimize_const_move, print_operand_reloc)
22122         (mips_dangerous_for_la25_p): Use split_const instead of
22123         mips_split_const.
22124
22125 2007-02-28  Eric Christopher  <echristo@apple.com>
22126
22127         * Makefile.in (install-include-dir): Don't rm -rf include.
22128
22129 2007-02-28  Richard Guenther  <rguenther@suse.de>
22130
22131         PR middle-end/30364
22132         * fold-const.c (fold_binary): Do not associate expressions
22133         with more than one variable for integer types that do not wrap.
22134
22135 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
22136
22137         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
22138         Delete, and replace with...
22139         (fold_builtin_call_array): This.  Update callers to use it.
22140         * fold-const.c (fold_build_call_list): Delete, and replace with...
22141         (fold_build_call_array): This.
22142         (fold_build_call_list_initializer): Delete, and replace with...
22143         (fold_build_call_array_initializer): This.
22144         * tree.h: Update declarations to reflect above changes.
22145
22146         * c-typeck.c (build_function_call): Store converted arguments
22147         in a stack-allocated array instead of building a list.
22148         (convert_arguments): Store arguments in the array passed in as an
22149         argument, and return the actual number of arguments.
22150         * c-format.c: (check_function_format): Pass arguments in an
22151         array instead of a list.
22152         * c-common.c (check_function_nonnull): Likewise.
22153         (check_function_sentinel): Likewise.
22154         (check_function_arguments): Likewise.
22155         * c-common.h: Update declarations to reflect above changes.
22156
22157 2007-02-28  Jan Hubicka  <jh@suse.cz>
22158
22159         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
22160         PRED_NEGATIVE_RETURN): Update outcomes.
22161
22162 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
22163
22164         * calls.c (emit_library_call_value_1): Handle partial registers
22165         correctly when building up CALL_INSN_FUNCTION_USAGE.
22166
22167 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22168
22169         * pa/predicates.md (move_src_operand): Allow zero for mode.
22170         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
22171         move pattern.
22172
22173 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
22174
22175         PR target/30970
22176         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
22177         *movv2df_internal): Enable pattern only for valid operand
22178         combinations.
22179         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
22180         tie only 128bit modes. For MMX registers, tie only 64bit modes.
22181
22182 2007-02-27  Mike Stump  <mrs@apple.com>
22183
22184         * config/darwin-crt3.c: Avoid compilation when compiling for a
22185         kext multilib.
22186
22187 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
22188
22189         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
22190         FIXED_INCLUDE_DIR.
22191         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
22192         for fixed headers and limits.h.
22193         (install-include-dir, install-headers-tar, install-headers-cpio,
22194         install-headers-cp, real-install-headers-tar,
22195         real-install-headers-cpio, real-install-headers-cp): Handle
22196         include-fixed as well as include.
22197         (install-mkheaders): Don't install files that go only in include
22198         not include-fixed.
22199         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
22200         from GCC_INCLUDE_DIR.
22201         * gcc.c (process_command): Remove special -BstageN/ handling.
22202         (do_spec_1): Add include-fixed directories.
22203
22204 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22205
22206         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
22207         _smulsi3_highpart.
22208         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
22209         New functions.
22210         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
22211         patterns.
22212
22213 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
22214
22215         * c-common.c (get_priority): Add check for
22216         SUPPORTS_INIT_PRIORITY.
22217
22218 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22219
22220         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
22221
22222         * config/bfin/bfin.c: Include "cfglayout.h".
22223         (MAX_LSETUP_DISTANCE): New macro.
22224         (struct loop_info): New members incoming, incoming_src and
22225         incoming_dest.  Delete member predecessor.
22226         (length_for_loop): New function.
22227         (bfin_optimize_loop): Handle more different loop structures.
22228         (bfin_discover_loop): Rework detection of predecessor blocks by
22229         examining incoming edges.
22230         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
22231         bfin_reorg_loops.
22232         (bfin_reorder_loops): New function.
22233         (bfin_reorg_loops): Use these three new functions.
22234
22235         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
22236         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
22237         (CONSTRAINT_LEN): Add entry for 'q'.
22238         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
22239         Add 'q' constraints.
22240         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
22241         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
22242
22243         * config/bfin/bfin.md (add_with_carry): New pattern.
22244         (s_or_u, su_optab, su_modifier): New code macros/attrs.
22245         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
22246         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
22247         support unsigned multiplies too.  Removed incorrect commutativity from
22248         operand 1 constraint where appropriate.
22249         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
22250         patterns.
22251         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
22252         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
22253         New patterns.
22254         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
22255         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
22256         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
22257         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
22258         usmulhisi_hh_huh): New patterns.
22259
22260         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
22261         lshifthi3): Fix output template to use half reg for operand 2.
22262
22263         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
22264         instead of R2.
22265
22266         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
22267
22268 2007-02-27  Andreas Schwab  <schwab@suse.de>
22269
22270         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
22271
22272 2007-02-27  Jan Hubicka  <jh@suse.cz>
22273
22274         * predict.c (last_basic_block_p): Remove.
22275         (tree_estimate_probability): Update return heuristic for commonized
22276         return blocks.
22277
22278 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
22279
22280         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
22281
22282 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
22283
22284         * doc/include/gcc-common.texi (versionsubtitle): New macro.
22285         * doc/cpp.texi: Standardize title page.
22286         * doc/cppinternals.texi: Likewise.
22287         * doc/gcc.texi: Standardize title page, remove version number
22288         from copyright page.
22289         * doc/gccint.texi: Likewise.
22290         * doc/install.texi: Standardize title page, add table of
22291         contents.
22292
22293 2007-02-26  Jan Hubicka  <jh@suse.cz>
22294
22295         * predict.def: Set outcomes according to more recent results.
22296         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
22297         Remove dead predictors.
22298         * predict.c (return_prediction): Fix pasto.
22299
22300 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22301
22302         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
22303         change; avoid a memory leak when returning early.
22304
22305 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
22306
22307         * c-decl.c (static_ctors): Move to c-common.c.
22308         (static_dtors): Likewise.
22309         (finish_function): Use c_record_cdtor_fn.
22310         (build_cdtor): Move to c-common.c.
22311         (c_write_global_declarations): Use c_build_cdtor_fns.
22312         * c-common.h (static_ctors): Declare.
22313         (static_dtors): Likewise.
22314         (c_record_cdtor_fn): Likewise.
22315         (c_build_cdtor_fns): Likewise.
22316         * c-common.c (static_ctors): New variable.
22317         (static_dtors): Likewise.
22318         (c_record_cdtor_fn): New function.
22319         (build_cdtor): Move from c-decl.c
22320         (c_build_cdtor_fns): New function.
22321
22322         * output.h (assemble_addr_to_section): Declare.
22323         (get_cdtor_priority_section): Likewise.
22324         * varasm.c (assemble_addr_to_section): New function.
22325         (get_cdtor_priority_section): Likewise.
22326         (default_named_section_asm_out_destructor): Use them.
22327         (destor_dtor_section_asm_out_destructor): Likewise.
22328         (default_named_section_asm_out_constructor): Likewise.
22329         (default_ctor_section_asm_out_constructor): Likewise.
22330         * config.gcc (*-*-vxworks*): Include vxworks.o.
22331         * config/t-vxworks (vxworks.o): New target.
22332         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
22333         (TARGET_ASM_CONSTRUCTOR): Define.
22334         (TARGET_ASM_DESTRUCTOR): Likewise.
22335         (vxworks_asm_out_constructor): Declare.
22336         (vxworks_asm_out_destructor): Likewise.
22337
22338         * c-common.c (get_priority): Check that we have not just an
22339         INTEGER_CST, but an integer constant with integeral type.
22340
22341 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
22342
22343         PR tree-optimization/30938
22344         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
22345         use &dt[nargs-1] instead of &dt[nargs] in the call to
22346         vect_is_simple_use().
22347
22348 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
22349
22350         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
22351         from register elimination as PRE_MODIFY / POST_MODIFY increments.
22352         Do not attempt to handle MEM inside auto-inc expressions.
22353         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
22354         of a register modified by an auto-inc expression.  However, do handle
22355         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
22356         (elimination_effects): Prohibit elimination of a register modified
22357         by an auto-inc expression.  Disable register elimination rules whose
22358         target register is modified by an auto-inc expression with variable
22359         increment.
22360
22361 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
22362
22363         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
22364         off-by-one error.
22365         (array_at_struct_end_p): New function.
22366         (idx_infer_loop_bounds): Use it.
22367         (estimate_numbers_of_iterations_loop): Export.
22368         * predict.c (predict_loops): Use estimated_loop_iterations_int.
22369         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
22370         (tree_estimate_probability): Call record_loop_exits.
22371         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
22372         (estimated_loop_iterations, estimated_loop_iterations_int,
22373         estimated_loop_iterations_tree): New functions.
22374         (analyze_siv_subscript_cst_affine,
22375         compute_overlap_steps_for_affine_1_2,
22376         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
22377         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
22378         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
22379         (PRED_LOOP_ITERATIONS_GUESSED): New.
22380         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
22381         * cfgloop.h (estimate_numbers_of_iterations_loop,
22382         estimated_loop_iterations_int): Declare.
22383
22384 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
22385
22386         * doc/extend.texi: Document optional priority argument to
22387         constructors and destructors.
22388         * tree.c (init_priority_for_decl): Adjust GTY markers.
22389         (init_ttree): Use priority-info hash functions for
22390         init_priority_for_decl.
22391         (tree_map_eq): Rename to ...
22392         (tree_map_base_eq): ... this.
22393         (tree_map_marked_p): Rename to ...
22394         (tree_map_base_marked_p): ... this.
22395         (tree_map_base_hash): New function.
22396         (decl_init_priority_lookup): Rework.
22397         (decl_fini_priority_lookup): New function.
22398         (decl_priority_info): New function.
22399         (decl_init_priority_insert): Use it.
22400         (decl_fini_priority_insert): Likewise.
22401         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
22402         hierarchy.
22403         (decl_restrict_base_insert): Likewise.
22404         (decl_debug_expr_insert): Likewise.
22405         (decl_value_expr_lookup): Likewise.
22406         (decl_value_expr_insert): Likewise.
22407         * tree.h (priority_type): New type.
22408         (decl_init_priority_lookup): Use priority_type.
22409         (decl_fini_priority_lookup): New function.
22410         (decl_init_priority_insert): Use priority_type.
22411         (decl_fini_priority_insert): New function.
22412         (DECL_HAS_INIT_PRIORITY): Tweak comments.
22413         (DECL_INIT_PRIORITY): Likewise.
22414         (SET_DECL_INIT_PRIORITY): Add comment.
22415         (DECL_FINI_PRIORITY): New macro.
22416         (SET_DECL_FINI_PRIORITY): Likewise.
22417         (DEFAULT_INIT_PRIORITY): Document.
22418         (MAX_INIT_PRIORITY): Likewise.
22419         (MAX_RESERVED_INIT_PRIORITY): Likewise.
22420         (tree_map_base): New type.
22421         (tree_map_base_eq): New function.
22422         (tree_map_base_hash): Likewise.
22423         (tree_map_base_marked_p): Likewise.
22424         (tree_map): Inherit from tree_map_base.
22425         (tree_map_eq): Make it a macro.
22426         (tree_map_marked_p): Likewise.
22427         (tree_int_map): Inherit from tree_map_base.
22428         (tree_int_map_eq): Make it a macro.
22429         (tree_int_map_hash): Likewise.
22430         (tree_int_map_marked_p): Likewise.
22431         (tree_priority_map): New type.
22432         (tree_priority_map_eq): New macro.
22433         (tree_priority_map_hash): Likewise.
22434         (tree_priority_map_marked_p): Likewise.
22435         * varasm.c (emults_decl): Adjust for refactoring of tree_map
22436         hierarchy.
22437         (emutls_common_1): Likewise.
22438         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
22439         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
22440         of tree_map hierarchy.
22441         * tree-cfg.c (move_stmt_r): Likewise.
22442         (new_label_mapper): Likewise.
22443         * c-tree.h (c_expand_body): Move to ...
22444         * c-common.h (c_expand_body): ... here.
22445         * c-decl.c (c_expand_body): Move to ...
22446         * c-common.c (c_expand_body): ... here.
22447         (c_common_attribute_table): Allow 1 argument for the constructor
22448         and destructor attributes.
22449         (get_priority): New function.
22450         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
22451         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
22452
22453 2007-02-24  Jan Hubicka  <jh@suse.cz>
22454
22455         PR middle-end/30509
22456         * tree-inline.c (copy_bb): Produce exact copy of EH info when
22457         copying for inlining.
22458
22459 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22460             Jan Hubicka  <jh@suse.cz>
22461
22462         PR target/30778
22463         * i386.c (counter_mode): New function.
22464         (expand_set_or_movmem_via_loop): Use it.
22465         (expand_movmem_epilogue): Likewise; fix pasto.
22466         (ix86_expand_movmem): Do emit guard even for constant counts.
22467         (ix86_expand_setmem): Likewise.
22468
22469 2007-02-25  Nick Clifton  <nickc@redhat.com>
22470
22471         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
22472         (JUMP_TABLES_IN_TEXT_SECTION): Define.
22473
22474 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22475
22476         PR target/30770
22477         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
22478         count argument with 0x10, not with 0x16.
22479         (expand_setmem_epilogue): Ditto.
22480
22481 2007-02-24  Mike Stump  <mrs@apple.com>
22482
22483         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
22484         symbols.
22485
22486 2007-02-24  Richard Guenther  <rguenther@suse.de>
22487
22488         PR middle-end/30951
22489         * fold-const.c (fold_binary): Fold x +- CST op x for
22490         EQ_EXPR and NE_EXPR.
22491
22492 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22493
22494         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
22495
22496 2007-02-24  Jan Hubicka  <jh@suse.cz>
22497
22498         * cgraphunit.c (decide_is_function_needed): Honor
22499         -fkeep-inline-functions.
22500
22501 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22502
22503         * builtins.c (fold_builtin_modf): New.
22504         (fold_builtin_2): Use it.
22505
22506 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
22507
22508         * loop-iv.c (implies_p): Detect additional cases where A implies B.
22509         (determine_max_iter): Take additional LOOP arg; all callers changed.
22510         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
22511         one using simplifications.
22512         (simplify_using_initial_values): Return if the expression becomes
22513         invalid due to altered regs.
22514
22515 2007-02-23  DJ Delorie  <dj@redhat.com>
22516
22517         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
22518
22519 2007-02-23  Mike Stump  <mrs@apple.com>
22520
22521         * tlink.c (scan_linker_output): Parse linker messages from
22522         darwin9's linker better.
22523
22524 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
22525
22526         PR debug/29614
22527         * varpool.c (varpool_assemble_pending_decls): Set
22528         varpool_last_needed_node to null.
22529
22530 2007-02-23  DJ Delorie  <dj@redhat.com>
22531
22532         * config/i386/i386.c (ix86_data_alignment): Don't specify an
22533         alignment bigger than the object file can handle.
22534
22535 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
22536
22537         PR target/30825
22538         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
22539         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
22540         (*movsf_1): Penalize MMX moves.
22541
22542 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
22543
22544         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
22545         2^32-1 or more times unless flag_unsafe_loop_optimizations.
22546
22547         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
22548
22549 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22550
22551         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
22552         (fold_builtin_1): Use them.
22553         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
22554         BUILT_IN_SIGNIFICAND.
22555
22556 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
22557
22558         * config/i386/i386.c (bdesc_1arg): Initialize
22559         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
22560         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
22561         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
22562         and IX86_BUILTIN_MOVSLDUP.
22563
22564 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
22565
22566         PR rtl-optimization/30841
22567         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
22568
22569 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22570
22571         * builtins.c (fold_builtin_frexp): New.
22572         (fold_builtin_2): Use it.
22573
22574 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
22575
22576         * doc/invoke.texi (Spec Files): Document getenv spec function.
22577
22578         * gcc.c (getenv_spec_function): New function.
22579         (static_spec_functions): Add it.
22580         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
22581         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
22582         header files.
22583
22584 2007-02-22  Michael Matz  <matz@suse.de
22585
22586         PR c++/29433
22587         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
22588         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
22589
22590 2007-02-22  Ian Lance Taylor  <iant@google.com>
22591
22592         PR debug/30898
22593         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
22594         (mem_loc_descriptor): Call it.
22595
22596 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
22597             Ira Rosen  <irar@il.ibm.com>
22598
22599         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
22600
22601 2007-02-22  Ira Rosen  <irar@il.ibm.com>
22602
22603         PR tree-optimization/30843
22604         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
22605         stores only after all the group is vectorized.
22606
22607 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
22608
22609         PR tree-optimization/30858
22610         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
22611         in the reduction cycle have a single use in the loop.
22612         * tree-vectorizer.h (relevant): Add documentation.
22613
22614 2007-02-20  Mike Stump  <mrs@apple.com>
22615
22616         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
22617         * configure: Regenerate.
22618
22619 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22620
22621         Change the defaults of some parameters and options.
22622         * config/spu/spu-protos.h (spu_optimization_options): Declare.
22623         * config/spu/spu.c (spu_optimization_options): Add.
22624         (spu_override_options): Change params in spu_optimization_options.
22625         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
22626
22627         Register 127 is only 16 byte aligned when used as a frame pointer.
22628         * config/spu/spu-protos.h (spu_init_expanders): Declare.
22629         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
22630         HARD_FRAME_POINTER_REGNUM.
22631         (spu_legitimate_address): Use regno_aligned_for_reload.
22632         (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
22633         aligned when frame_pointer_needed is true.
22634         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
22635         to 8 bits.
22636         * config/spu/spu.h (INIT_EXPANDERS): Define.
22637
22638         Make sure shift and rotate instructions have valid immediate operands.
22639         * config/spu/predicates.md (spu_shift_operand): Remove.
22640         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
22641         * config/spu/constraints.md (W, O): Extend range.
22642         * config/spu/spu.md (umask, nmask): Define.
22643         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
22644         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
22645         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
22646         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
22647         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
22648         (lshr<mode>3_reg): Fix rtl description.
22649
22650         Make sure mulhisi immediate operands are valid.
22651         * config/spu/predicates.md (imm_K_operand): Add.
22652         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
22653
22654         Generate constants using fsmbi and andi.
22655         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
22656         (print_operand, spu_split_immediate, classify_immediate,
22657         fsmbi_const_p): Handle IC_FSMBI2.
22658
22659         Correctly handle a CONST_VECTOR containing symbols.
22660         * config/spu/spu.c (print_operand): Handle HIGH correctly.
22661         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
22662         (immediate_load_p): Allow symbols that use 2 instructions to create.
22663         (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
22664         with symbols when flag_pic is set.
22665         (const_vector_immediate_p): New.
22666         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
22667         accept a CONST_VECTOR with symbols.
22668         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
22669         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
22670         correctly.
22671         * config/spu/spu.md (high, low): Delete.
22672         (low_<mode>): Define.
22673
22674         Remove INTRmode and INTR_REGNUM, which didn't work.
22675         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
22676         of INTR_REGNUM.
22677         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
22678         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
22679         peephole2 pattern): Don't use INTR or 131.
22680         (movintrcc): Delete.
22681         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
22682         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
22683         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
22684         (UNSPEC_SET_INTR): Add.
22685         * config/spu/spu-modes.def (INTR): Remove.
22686
22687         More accurate warnings about run-time relocations.
22688         * config/spu/spu.c (reloc_diagnostic): Test in_section.
22689
22690         Correctly warn about immediate arguments to specific intrinsics.
22691         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
22692         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
22693         the instruction predicate.
22694
22695         Fix tree check errors with latest update.
22696         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
22697         CALL_EXPR_ARG.
22698         (spu_expand_builtin): Use CALL_EXPR_FN.
22699
22700         Add missing specific intrinsics.
22701         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
22702         si_bislede.
22703         * config/spu/spu_internals.h: Ditto.
22704
22705         Fix incorrect operand modifiers.
22706         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
22707         * config/spu/spu.md (xor<mode>3): Change %S to %J.
22708
22709         Optimize one case of zero_extend of a vec_select.
22710         * config/spu/spu.md (_vec_extractv8hi_ze): Add.
22711
22712         Accept any immediate for hbr.
22713         * config/spu/spu.md (hbr): Change s constraints to i.
22714
22715 2007-02-21  Paul Brook  <paul@codesourcery.com>
22716
22717         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
22718         condexec_count when skipping USE and CLOBBER.
22719
22720 2007-02-21  Nick Clifton  <nickc@redhat.com>
22721
22722         * common.opt (Warray-bounds): Add Warning attribute.
22723         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
22724         Likewise.
22725         (fsized-zeroes): Add Optimization attribute.
22726         (fsplit-wide-types, ftree-scev-cprop): Likewise.
22727         * c.opt (Wc++0x-compat): Add Warning attribute.
22728
22729 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
22730
22731         PR middle-end/30761
22732         * reload1.c (eliminate_regs_in_insn): In the single_set special
22733         case, attempt to re-recognize the insn before falling back to
22734         having reload fix it up.
22735
22736 2007-02-20  Eric Christopher  <echristo@gmail.com>
22737
22738         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
22739         Rewrite accordingly.
22740         (frv_read_iacc_argument): Ditto.
22741         (frv_expand_set_builtin): Take a call instead of arglist, update for
22742         above changes.
22743         (frv_expand_unop_builtin): Ditto.
22744         (frv_expand_binop_builtin): Ditto.
22745         (frv_expand_cut_builtin): Ditto.
22746         (frv_expand_binopimm_builtin): Ditto.
22747         (frv_expand_voidbinop_builtin): Ditto.
22748         (frv_expand_int_void2arg): Ditto.
22749         (frv_expand_prefetches): Ditto.
22750         (frv_expand_voidtriop_builtin): Ditto.
22751         (frv_expand_voidaccop_builtin): Ditto.
22752         (frv_expand_load_builtin): Ditto.
22753         (frv_expand_store_builtin): Ditto.
22754         (frv_expand_mdpackh_builtin): Ditto.
22755         (frv_expand_mclracc_builtin): Ditto.
22756         (frv_expand_mrdacc_builtin): Ditto.
22757         (frv_expand_mwtacc_builtin): Ditto.
22758         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
22759         calls for above.
22760
22761 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
22762
22763         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
22764         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
22765         cmpb instruction.
22766         (HAVE_GAS_DFP): Check for assembler support of decimal floating
22767         point instructions.
22768         * configure: Regenerate.
22769         * config.in: Regenerate.
22770         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
22771         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
22772         masks to power6 and power6x and to POWERPC_MASKS.
22773         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
22774         _ARCH_PWR6.
22775         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
22776         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
22777         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
22778         Access PROTOTYPE as variable, not mask.
22779
22780 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22781
22782         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
22783         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
22784         * combine.c (adjust_for_new_dest): Use it.
22785         * postreload.c (reload_combine): Likewise.
22786
22787 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22788
22789         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
22790         notes on an insn with multiple sets, even if single_set returns
22791         non-NULL for that insn.
22792
22793 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22794
22795         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
22796         scalbn and scalbln.
22797
22798 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
22799
22800         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
22801         if user didn't pass it.
22802         * config/i386/darwin.h (CC1_SPEC): Likewise.
22803         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
22804         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
22805         -mmacosx-version-min.
22806
22807 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22808             Uros Bizjak  <ubizjak@gmail.com>
22809
22810         * optabs.h (enum optab_index): Add new OTI_scalb.
22811         (scalb_optab): Define corresponding macro.
22812         * optabs.c (init_optabs): Initialize scalb_optab.
22813         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
22814         patterns.
22815         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
22816         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
22817         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
22818         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
22819         flag_unsafe_math_optimizations is set.
22820
22821         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
22822         to implement scalbf, scalb and scalbl built-ins as inline x87
22823         intrinsics.
22824
22825 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22826             DJ Delorie <dj@redhat.com>
22827
22828         PR other/30824
22829         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
22830         (diagnostic_report_diagnostic): ... here, and turn them into real
22831         errors. If warnings are inhibited, no need to do anything.
22832
22833 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
22834
22835         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
22836         better code generation.
22837
22838 2007-02-20  Ben Elliston  <bje@au.ibm.com>
22839
22840         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
22841
22842 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
22843
22844         * config/alpha/alpha.c, config/alpha/alpha.md,
22845         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
22846         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
22847         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
22848         config/arm/lib1funcs.asm: Follow spelling conventions.
22849
22850         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
22851         config/fr30/fr30.md, config/i386/i386.h,
22852         config/iq2000/iq2000.h, config/iq2000/predicates.md,
22853         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
22854         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
22855         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
22856         config/rs6000/altivec.md, config/rs6000/rs6000.c,
22857         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
22858         config/sparc/sparc.c, config/sparc/sparc.h,
22859         config/sparc/sparc.md, config/spu/constraints.md,
22860         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
22861         conventions.
22862
22863 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
22864
22865         PR target/29943
22866         * varasm.c (use_blocks_for_decl_p): Return false for decls with
22867         alias attribute.
22868
22869 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22870
22871         * doc/invoke.texi (-ftree-lrs): Remove.
22872
22873 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
22874
22875         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
22876         NULL.
22877
22878 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
22879
22880         * config/ia64/ia64.c (ia64_expand_builtin): Use the
22881         new CALL_EXPR_FN macro for retrieving the function
22882         declaration of the input expression.
22883
22884 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22885
22886         * c.opt (Waddress): New.
22887         * common.opt (Walways-true): Delete.
22888         (Wstring-literal-comparison): Delete.
22889         * doc/invoke.texi (Warning Options): Delete -Walways-true and
22890         -Wstring-literal-comparison. Add -Waddress.
22891         (Waddress): New.
22892         (Walways-true): Delete.
22893         (Wstring-literal-comparison): Delete.
22894         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
22895         consistently instead of -Walways-true in example.
22896         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
22897         * c-typeck.c (parser_build_binary_op): Replace
22898         -Wstring-literal-comparison and -Walways-true with -Waddress.
22899         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
22900         with -Waddress.
22901
22902 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22903
22904         * tree-cfg.c (dump_function_to_file): Be prepared for functions
22905         without DECL_STRUCT_FUNCTION initialized.
22906
22907 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22908
22909         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
22910         due to calls to functions taking pointers as parameters.
22911
22912 2007-02-19  Richard Henderson  <rth@redhat.com>
22913
22914         PR debug/29558
22915         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
22916         in memory.
22917
22918 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
22919
22920         * config/s390/s390.c (s390_call_saved_register_used,
22921         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
22922         accessed to the new scheme.
22923
22924 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
22925
22926         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
22927         (cris_print_index, cris_print_operand, cris_print_operand_address)
22928         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
22929         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
22930         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
22931         GET_CODE () == xxx.
22932         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
22933         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
22934         GO_IF_LEGITIMATE_ADDRESS): Ditto.
22935         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
22936         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
22937         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
22938         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
22939         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
22940         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
22941         (uminsi3, call, call_value): Ditto.
22942         (define_split: indir_to_reg_split, unnamed): Ditto.
22943
22944 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
22945
22946         PR tree-optimization/30975
22947         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
22948         wrong assert.
22949
22950 2007-02-18  Eric Christopher  <echristo@gmail.com>
22951
22952         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
22953         Remove use of arglist.
22954         (mips_expand_builtin): Remove use of arglist, pass in expr.
22955         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
22956         (mips_expand_builtin_movtf): Ditto.
22957         (mips_expand_builtin_compare): Ditto.
22958
22959 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22960
22961         * tree-sra.c (sra_build_assignment): Replace assertion
22962         checking with a comment explaining why it can't be done.
22963
22964 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22965
22966         PR middle-end/30833
22967         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
22968         during CALL_EXPR representation conversion.
22969         * tree-ssa-propagate.c (set_rhs): Likewise.
22970
22971 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22972
22973         * tree-sra.c (sra_build_assignment): Disable assertion checking
22974         for now.
22975
22976 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22977
22978         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
22979         instead of calling build2 with a GIMPLE_MODIFY_STMT.
22980         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
22981         Likewise.
22982         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
22983         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
22984         gimplify_init_ctor_eval_range, gimple_push_cleanup,
22985         gimplify_omp_for, gimplify_omp_atomic_pipeline,
22986         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
22987         force_gimple_operand): Likewise.
22988         * ipa-cp.c (constant_val_insert): Likewise.
22989         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
22990         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
22991         perfect_nestify): Likewise.
22992         * langhooks.c (lhd_omp_assignment): Likewise.
22993         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
22994         lower_copyprivate_clauses, lower_send_clauses,
22995         lower_send_shared_vars, expand_parallel_call,
22996         expand_omp_for_generic, expand_omp_for_static_nochunk,
22997         expand_omp_for_static_chunk, expand_omp_sections,
22998         lower_omp_single_copy, lower_omp_for_lastprivate,
22999         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
23000         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
23001         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
23002         Likewise.
23003
23004 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
23005
23006         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
23007         config/sh/sh.md: Follow spelling conventions.
23008
23009         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
23010         config/frv/predicates.md: Follow spelling conventions.
23011
23012         * config/m68k/linux-unwind.h: Fix a comment typo.
23013         * target.h: Follow spelling conventions.
23014
23015 2007-02-18  Roger Sayle  <roger@eyesopen.com>
23016
23017         PR rtl-optimization/28173
23018         * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
23019         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
23020         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
23021         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
23022         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
23023
23024 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
23025
23026         * builtins.c (fold_builtin_load_exponent): New.
23027         (fold_builtin_2): Use it.
23028
23029 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
23030
23031         PR rtl-optimization/30773
23032         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
23033         if we fail to attach a REG_EQUIV note.
23034
23035 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
23036             Roger Sayle  <roger@eyesopen.com>
23037
23038         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
23039
23040 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
23041
23042         * calls.c (initialize_argument_information): Pass original EXP
23043         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
23044         code to split complex arguments here, as part of initializing the
23045         ARGS array.
23046         (expand_call): Remove code that builds a list of arguments and
23047         inserts implicit arguments into it.  Instead, just count how many
23048         implicit arguments there will be so we can determine the size of
23049         the ARGS array, and let initialize_argument_information do the work.
23050         (split_complex_values): Delete unused function.
23051
23052 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
23053
23054         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
23055
23056 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
23057
23058         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
23059         for arg pointer based indexed addressing.
23060
23061 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
23062
23063         * config/ia64/ia64.h, config/ia64/ia64.md,
23064         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
23065         spelling conventions.
23066
23067 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
23068
23069         * config/m68k/m68k.c (split_di): New.
23070         * config/m68k/m68k-protos.h: Declare split_di.
23071         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
23072           Improve predicate handling and split constant shifts.
23073
23074 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
23075
23076         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
23077         parameter for register bitfield operations, general predicates
23078         cleanup
23079
23080 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
23081
23082         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
23083         * config/m68k/linux-unwind.h: New file.
23084
23085 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
23086
23087         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
23088         config/i386/athlon.md, config/ia64/ia64.md,
23089         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
23090         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
23091         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
23092         tree-ssa-loop-niter.c, tree-vect-analyze.c,
23093         tree-vect-transform.c: Fix comment typos.
23094
23095 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
23096
23097         * sched-deps.c (find_insn_list): Remove.
23098         * sched-int.h: Remove the prototype for find_insn_list.
23099
23100 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
23101
23102         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
23103         to linker.
23104         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
23105         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
23106         darwin_rs6000_override_options.
23107         (C_COMMON_OVERRIDE_OPTIONS): Expect
23108         darwin_macosx_version_min to be non-NULL always.
23109         (TARGET_C99_FUNCTIONS): Likewise.
23110         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
23111         (DARWIN_MINVERSION_SPEC): New.
23112         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
23113         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
23114         to cc1*.
23115         (DARWIN_MINVERSION_SPEC): New.
23116         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
23117         value.
23118         * config/darwin-c.c (darwin_cpp_builtins): Expect
23119         darwin_macosx_version_min to be non-NULL always.
23120
23121         * config/rs6000/rs6000.c: Clean up trailing whitespace.
23122
23123 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
23124
23125         * config/i386/i386.h (x86_use_xchgb): New.
23126         (TARGET_USE_XCHGB): New macro.
23127         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
23128         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
23129         Split after reload into bswaphi for shifts of 8.
23130         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
23131         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
23132         or when optimizing for size.
23133
23134 2007-02-16  Richard Guenther  <rguenther@suse.de>
23135             Christian Bruel  <christian.bruel@st.com>
23136
23137         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
23138         DECLs but prefer SSA_NAMEs over DECLs.
23139
23140 2007-02-16  Richard Guenther  <rguenther@suse.de>
23141
23142         * tree-flow-inline.h (single_imm_use_p): Remove.
23143         (zero_imm_uses_p): Likewise.
23144         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
23145         instead of single_imm_use_p.
23146         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
23147         zero_imm_uses_p.
23148
23149 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
23150
23151         PR other/27843
23152         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
23153         nested double- and backquotes.
23154
23155 2007-02-15  Roger Sayle  <roger@eyesopen.com>
23156
23157         PR middle-end/30391
23158         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
23159         should be unreachable.
23160         (build2_stat): Allow construction of MODIFY_EXPR at any time.
23161         For the time being redirect GIMPLE_MODIFY_STMT to the new
23162         (renamed) build_gimple_modify_stmt_stat.
23163         (build2_gimple_stat): Rename to...
23164         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
23165         Always build a GIMPLE_MODIFY_STMT node.
23166         * tree.h (build2_gimple, build2_gimple_stat): Delete.
23167         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
23168         declarations.
23169
23170         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
23171         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
23172         * tree-complex.c (set_component_ssa_name, expand_complex_move,
23173         expand_complex_div_wide): Likewise.
23174         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
23175         * tree-ssa-loop-im.c (schedule_sm): Likewise.
23176         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
23177         * tree-ssa-loop-manip.c (create_iv): Likewise.
23178         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
23179         abs_replacement): Likewise.
23180         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
23181         realify_fake_stores): Likewise.
23182
23183         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
23184         node rather than a GIMPLE_MODIFY_STMT node.
23185         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
23186         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
23187         Likewise.
23188         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
23189         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
23190         GIMPLE_MODIFY_STMT.
23191
23192 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23193
23194         PR middle-end/30433
23195         * fold-const.c (fold_comparison): Add back the
23196         folding of constant complex comparisions.
23197
23198 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23199
23200         PR middle-end/30729
23201         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
23202         effects unknown to this function, return early.
23203
23204 2007-02-15  Ian Lance Taylor  <iant@google.com>
23205
23206         * lower-subreg.c (move_eh_region_note): New static function.
23207         (resolve_simple_move): Call it.
23208         (decompose_multiword_subregs): Track blocks for which we resolve a
23209         simple move which is also a control flow insn.  Pass them to
23210         find_many_sub_basic_blocks.
23211         (pass_lower_subreg): Add TODO_verify_flow.
23212         (pass_lower_subreg2): Likewise.
23213
23214 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23215             Brooks Moses  <brooks.moses@codesourcery.com>
23216             Lee Millward  <lee.millward@codesourcery.com>
23217
23218         * tree.h (enum tree_code_class): Add tcc_vl_exp.
23219         (VL_EXP_CLASS_P): New.
23220         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
23221         TREE_CODE_LENGTH.
23222         (TREE_OPERAND_CHECK_CODE): Likewise.
23223         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
23224         (TREE_RTL_OPERAND_CHECK): Likewise.
23225         (tree_operand_check_failed): Make second parameter the whole tree
23226         instead of its code.  Fixed callers.
23227         (VL_EXP_CHECK): New.
23228         (TREE_OPERAND_LENGTH): New.
23229         (VL_EXP_OPERAND_LENGTH): New.
23230         (CALL_EXPR_FN): New.
23231         (CALL_EXPR_STATIC_CHAIN): New.
23232         (CALL_EXPR_ARGS): New.
23233         (CALL_EXPR_ARG): New.
23234         (call_expr_nargs): New.
23235         (CALL_EXPR_ARGP): New.
23236         (build_nt_call_list): Declare.
23237         (build_vl_exp_stat): Declare.
23238         (build_vl_exp): New.
23239         (build_call_list): Declare.
23240         (build_call_nary): Declare.
23241         (build_call_valist): Declare.
23242         (build_call_array): Declare.
23243         (call_expr_arg): Declare.
23244         (call_expr_argp): Declare.
23245         (call_expr_arglist): Declare.
23246         (fold_build_call_list): Declare.
23247         (fold_build_call_list_initializer): Declare.
23248         (fold_call_expr): Declare to replace fold_builtin.
23249         (fold_builtin_fputs): Update to agree with modified definition.
23250         (fold_builtin_strcpy): Likewise.
23251         (fold_builtin_strncpy): Likewise.
23252         (fold_builtin_memory_chk): Likewise.
23253         (fold_builtin_stxcpy_chk): Likewise.
23254         (fold_builtin_strncpy_chk): Likewise.
23255         (fold_builtin_next_arg): Likewise.
23256         (fold_build_call_expr): Declare.
23257         (fold_builtin_call_list): Declare.
23258         (fold_builtin_call_valist): Declare.
23259         (build_call_expr): Declare.
23260         (validate_arglist): Update to agree with modified definition.
23261         (tree_operand_length): New.
23262         (call_expr_arg_iterator): New.
23263         (init_call_expr_arg_iterator): New.
23264         (next_call_expr_arg): New.
23265         (first_call_expr_arg): New.
23266         (more_call_expr_args_p): New.
23267         (FOR_EACH_CALL_EXPR_ARG): New.
23268
23269         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
23270         and tcc_gimple_stmt.
23271         (tree_code_size): Update documentation.  Use sizeof (tree) rather
23272         than sizeof (char *).
23273         (tree_size): Likewise.  Add case for tcc_vl_exp.
23274         (tree_node_structure): Add case for tcc_vl_exp.
23275         (contains_placeholder_p): Likewise.
23276         (substitute_in_expr): Likewise.
23277         (substitute_placeholder_in_expr): Likewise.
23278         (stabilize_reference_1): Likewise.
23279         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
23280         to diagnose breakage of this interface for constructing CALL_EXPRs.
23281         (build_nt): Add similar assertion here.
23282         (build_nt_call_list): New.
23283         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
23284         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
23285         TREE_CODE_LENGTH.
23286         (get_callee_fndecl): Use new CALL_EXPR accessors.
23287         (tree_operand_check_failed): Change parameters to pass entire node
23288         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
23289         (process_call_operands): New.
23290         (build_vl_exp_stat): New.
23291         (build_call_list): New.
23292         (build_call_nary): New.
23293         (build_call_valist): New.
23294         (build_call_array): New.
23295         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23296         (call_expr_arglist): New.
23297
23298         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
23299         tcc_vl_exp instead of a fixed-size tcc_expression.
23300
23301         * doc/c-tree.texi (CALL_EXPR): Document new representation and
23302         accessors for CALL_EXPRs.
23303         (AGGR_INIT_EXPR): Likewise.
23304
23305 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23306             Brooks Moses  <brooks.moses@codesourcery.com>
23307             Lee Millward  <lee.millward@codesourcery.com>
23308
23309         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
23310         (expand_builtin_nonlocal_goto): Change parameter to be entire
23311         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
23312         (expand_builtin_prefetch): Likewise.
23313         (expand_builtin_classify_type): Likewise.
23314         (mathfn_built_in): Return NULL_TREE instead of 0.
23315         (expand_errno_check): Use new CALL_EXPR accessors.
23316         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
23317         Return NULL_RTX instead of 0.
23318         (expand_builtin_mathfn_2): Likewise.
23319         (expand_builtin_mathfn_3): Likewise.
23320         (expand_builtin_interclass_mathfn): Likewise.
23321         (expand_builtin_sincos): Likewise.
23322         (expand_builtin_cexpi): Likewise.
23323         (expand_builtin_int_roundingfn): Likewise.
23324         (expand_builtin_int_roundingfn_2): Likewise.
23325         (expand_builtin_pow): Likewise.
23326         (expand_builtin_powi): Likewise.
23327         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
23328         of arglist, fixing callers appropriately.  Use new CALL_EXPR
23329         accessors and constructors.  Return NULL_RTX instead of 0.
23330         (expand_builtin_strstr): Likewise.
23331         (expand_builtin_strchr): Likewise.
23332         (expand_builtin_strrchr): Likewise.
23333         (expand_builtin_strpbrk): Likewise.
23334         (expand_builtin_memcpy): Likewise.
23335         (expand_builtin_mempcpy): Likewise.
23336         (expand_builtin_mempcpy_args): New.
23337         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
23338         (expand_builtin_memmove_args): New.
23339         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
23340         (expand_movstr): Likewise.
23341         (expand_builtin_strcpy): Likewise.
23342         (expand_builtin_strcpy_args): New.
23343         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
23344         (expand_builtin_strncpy): Likewise.
23345         (expand_builtin_memset): Likewise.
23346         (expand_builtin_memset_args): New.
23347         (expand_builtin_bzero): Similarly to expand_builtin_memset.
23348         (expand_builtin_memcmp): Likewise.
23349         (expand_builtin_strcmp): Likewise.
23350         (expand_builtin_strncmp): Likewise.
23351         (expand_builtin_strcat): Likewise.
23352         (expand_builtin_strncat): Likewise.
23353         (expand_builtin_strspn): Likewise.
23354         (expand_builtin_strcspn): Likewise.
23355         (expand_builtin_args_info): Likewise.
23356         (expand_builtin_va_start): Likewise.
23357         (gimplify_va_arg_expr): Likewise.
23358         (expand_builtin_va_end): Likewise.
23359         (expand_builtin_va_copy): Likewise.
23360         (expand_builtin_frame_address): Likewise.
23361         (expand_builtin_alloca): Likewise.
23362         (expand_builtin_bswap): Likewise.
23363         (expand_builtin_unop): Likewise.
23364         (expand_builtin_fputs): Likewise.
23365         (expand_builtin_expect): Likewise.
23366         (expand_builtin_fabs): Likewise.
23367         (expand_builtin_copysign): Likewise.
23368         (expand_builtin_printf): Likewise.
23369         (expand_builtin_fprintf): Likewise.
23370         (expand_builtin_sprintf): Likewise.
23371         (expand_builtin_init_trampoline): Likewise.
23372         (expand_builtin_signbit): Likewise.
23373         (expand_builtin_fork_or_exec): Likewise.
23374         (expand_builtin_sync_operation): Likewise.
23375         (expand_builtin_compare_and_swap): Likewise.
23376         (expand_builtin_lock_test_and_set): Likewise.
23377         (expand_builtin_lock_release): Likewise.
23378         (expand_builtin): Likewise.
23379         (builtin_mathfn_code): Likewise.
23380
23381         (fold_builtin_constant_p): Pass call arguments individually instead
23382         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23383         accessors and constructors.  Return NULL_TREE instead of 0.
23384         (fold_builtin_expect): Likewise.
23385         (fold_builtin_classify_type): Likewise.
23386         (fold_builtin_strlen): Likewise.
23387         (fold_builtin_nan): Likewise.
23388         (integer_valued_real_p): Likewise.
23389         (fold_trunc_transparent_mathfn): Likewise.
23390         (fold_fixed_mathfn): Likewise.
23391         (fold_builtin_cabs): Likewise.
23392         (fold_builtin_sqrt): Likewise.
23393         (fold_builtin_cbrt): Likewise.
23394         (fold_builtin_cos): Likewise.
23395         (fold_builtin_cosh): Likewise.
23396         (fold_builtin_tan): Likewise.
23397         (fold_builtin_sincos): Likewise.
23398         (fold_builtin_cexp): Likewise.
23399         (fold_builtin_trunc): Likewise.
23400         (fold_builtin_floor): Likewise.
23401         (fold_builtin_ceil): Likewise.
23402         (fold_builtin_round): Likewise.
23403         (fold_builtin_int_roundingfn): Likewise.
23404         (fold_builtin_bitop): Likewise.
23405         (fold_builtin_bswap): Likewise.
23406         (fold_builtin_logarithm): Likewise.
23407         (fold_builtin_hypot): Likewise.
23408         (fold_builtin_pow): Likewise.
23409         (fold_builtin_powi): Likewise.
23410         (fold_builtin_exponent): Likewise.
23411         (fold_builtin_memset): Likewise.
23412         (fold_builtin_bzero): Likewise.
23413         (fold_builtin_memory_op): Likewise.
23414         (fold_builtin_bcopy): Deleted; call site changed to invoke
23415         fold_builtin_memory_op directly.
23416         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
23417         (fold_builtin_strncpy): Likewise.
23418         (fold_builtin_memcmp): Likewise.
23419         (fold_builtin_strcmp): Likewise.
23420         (fold_builtin_strncmp): Likewise.
23421         (fold_builtin_signbit): Likewise.
23422         (fold_builtin_copysign): Likewise.
23423         (fold_builtin_isascii): Likewise.
23424         (fold_builtin_toascii): Likewise.
23425         (fold_builtin_isdigit): Likewise.
23426         (fold_builtin_fabs): Likewise.
23427         (fold_builtin_abs): Likewise.
23428         (fold_builtin_fmin_fmax): Likewise.
23429         (fold_builtin_carg): Likewise.
23430         (fold_builtin_classify): Likewise.
23431         (fold_builtin_unordered_cmp): Likewise.
23432
23433         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
23434         New functions split out from fold_builtin_1.
23435         (fold_builtin_n): New.
23436         (fold_builtin_varargs): New.
23437         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
23438         instead.
23439         (fold_call_expr): New.
23440         (build_function_call_expr): Rewrite to use new helper function.
23441         (fold_builtin_call_list): New.
23442         (build_call_expr): New.
23443         (fold_builtin_call_valist): New.
23444         (rewrite_call_expr): New.
23445         (validate_arg): New.
23446         (validate_arglist): Change parameter to be entire CALL_EXPR instead
23447         of an arglist.  Change return type to bool.  Use new CALL_EXPR
23448         accessors.
23449
23450         (fold_builtin_strstr): Pass call arguments individually instead
23451         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23452         accessors and constructors.  Return NULL_TREE instead of 0.
23453         (fold_builtin_strchr): Likewise.
23454         (fold_builtin_strrchr): Likewise.
23455         (fold_builtin_strpbrk): Likewise.
23456         (fold_builtin_strcat): Likewise.
23457         (fold_builtin_strncat): Likewise.
23458         (fold_builtin_strspn): Likewise.
23459         (fold_builtin_strcspn): Likewise.
23460         (fold_builtin_fputs): Likewise.
23461         (fold_builtin_next_arg): Likewise.
23462         (fold_builtin_sprintf): Likewise.
23463
23464         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
23465         NULL_RTX instead of 0.
23466         (expand_builtin_memory_chk): Likewise.
23467         (maybe_emit_chk_warning): Likewise.
23468         (maybe_emit_sprintf_chk_warning): Likewise.
23469
23470         (fold_builtin_object_size): Pass call arguments individually instead
23471         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23472         accessors and constructors.  Return NULL_TREE instead of 0.
23473         (fold_builtin_memory_chk): Likewise.
23474         (fold_builtin_stxcpy_chk): Likewise.
23475         (fold_builtin_strncpy_chk): Likewise.
23476         (fold_builtin_strcat_chk): Likewise.
23477         (fold_builtin_strcat_chk): Likewise.
23478         (fold_builtin_strncat_chk): Likewise.
23479         (fold_builtin_sprintf_chk): Likewise.
23480         (fold_builtin_snprintf_chk): Likewise.
23481         (fold_builtin_printf): Likewise.
23482         (fold_builtin_vprintf): Likewise.
23483
23484         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
23485         constructors.
23486         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
23487         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23488         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
23489         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
23490         (fold_unary): Likewise.
23491         (fold_binary): Likewise.
23492         (fold_ternary): Remove CALL_EXPR case, since they are no longer
23493         ternary expressions.
23494         (fold): Add logic for tcc_vl_exp.
23495         (fold_checksum_tree): Make it know about tcc_vl_exp.  Use
23496         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23497         (fold_build3_stat): Add assertion to flag broken interface for
23498         constructing CALL_EXPRs.
23499         (fold_build_call_list): New.
23500         (fold_build_call_list_initializer): New.
23501         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
23502         constructors.
23503         (fold_strip_sign_ops): Likewise.
23504
23505 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23506             Brooks Moses  <brooks.moses@codesourcery.com>
23507             Lee Millward  <lee.millward@codesourcery.com>
23508
23509         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
23510         accessors and dump arguments explicitly.
23511
23512         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
23513         TREE_CODE_LENGTH.
23514         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
23515         explicitly.
23516         (print_call_name): Use new CALL_EXPR accessors.
23517
23518         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
23519         CALL_EXPR arguments explicitly instead of as a list.  Use
23520         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23521
23522         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
23523         (vrp_visit_stmt): Likewise.
23524
23525         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
23526         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
23527         TREE_CODE_LENGTH.
23528         (force_move_till_expr): Likewise.
23529
23530         * targhooks.c (default_external_stack_protect_fail): Use
23531         build_call_expr instead of build_function_call_expr.
23532         (default_hidden_stack_protect_fail): Likewise.
23533
23534         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
23535         build the call.
23536
23537         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
23538         and walk arguments explicitly.
23539
23540         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
23541         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23542         (expand_simple_operations): Likewise.
23543         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
23544
23545         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
23546         of TREE_CODE_LENGTH.
23547         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
23548
23549         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
23550         instead of TREE_CODE_LENGTH.
23551
23552         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
23553         (tree_ic_transform): Likewise.
23554         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
23555         parameter instead of arglist.  Fix callers.
23556         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
23557         (tree_stringops_transform): Likewise.
23558         (tree_indirect_call_to_profile): Likewise.
23559         (tree_stringops_values_to_profile): Likewise.
23560
23561         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
23562         (eliminate_tail_call): Likewise.
23563
23564         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
23565
23566         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
23567         Use TREE_OPERAND_LENGTH and generalize to handle any number of
23568         operands.
23569         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
23570
23571         * omp-low.c (build_omp_barrier): Use build_call_expr.
23572         (lower_rec_input_clauses): Likewise.
23573         (lower_reduction_clauses): Likewise.
23574         (expand_parallel_call): Likewise.
23575         (maybe_catch_exception): Likewise.
23576         (expand_omp_for_generic): Likewise.
23577         (expand_omp_for_static_nochunk): Likewise.
23578         (expand_omp_sections): Likewise.
23579         (lower_omp_single_simple): Likewise.
23580         (lower_omp_single_copy): Likewise.
23581         (lower_omp_master): Likewise.
23582         (lower_omp_ordered): Likewise.
23583         (lower_omp_critical): Likewise.
23584
23585         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
23586         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
23587
23588         * tree-gimple.c (is_gimple_call_addr): Fix doc.
23589         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
23590         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
23591
23592         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
23593         and generalize to handle any number of operands.
23594         (chrec_contains_undetermined): Likewise.
23595         (tree_contains_chrecs): Likewise.
23596         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
23597
23598         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
23599
23600         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
23601         fold_call_expr instead of fold_builtin.
23602         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
23603         match declarations there.
23604         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
23605         updates.
23606
23607         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
23608         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23609
23610         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
23611         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
23612
23613         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
23614         accessors.
23615
23616         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
23617         (execute_cse_sincos): Use new CALL_EXPR accessors.
23618
23619         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
23620
23621         * gimple-low.c (lower_function_body): Use build_call_expr.
23622         (lower_builtin_setjmp): Likewise.
23623
23624         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
23625         (set_storage_via_libcall): Likewise.
23626         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
23627         instead of TREE_CODE_LENGTH.
23628         (expand_expr_real_1): Use new CALL_EXPR accessors.
23629
23630         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
23631         generalize to handle any number of operands.
23632         (TB_parent_eq): Likewise.
23633
23634         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
23635         (strip_builtin_expect): Likewise.
23636
23637         * function.c (gimplify_parameters): Use build_call_expr.
23638
23639         * tree-vectorizer.c (vect_is_simple_reduction): Use
23640         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23641
23642         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
23643         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
23644
23645         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
23646         iterators.
23647
23648         * gimplify.c (build_stack_save_restore): Use build_call_expr.
23649         (gimplify_decl_expr): Likewise.
23650         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
23651         Use new CALL_EXPR iterators.
23652         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
23653         (gimplify_modify_expr_to_memset): Likewise.
23654         (gimplify_variable_sized_compare): Likewise.
23655         (gimplify_omp_atomic_fetch_op): Likewise.
23656         (gimplify_omp_atomic_pipeline): Likewise.
23657         (gimplify_omp_atomic_mutex): Likewise.
23658         (gimplify_function_tree): Likewise.
23659
23660         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
23661         (call_expr_flags): Likewise.
23662         (expand_call): Likewise.
23663
23664         * except.c (expand_builtin_eh_return_data_regno): Pass entire
23665         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23666         accessors.
23667
23668         * coverage.c (create_coverage): Use build_call_expr.
23669
23670         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
23671         (temp_call_expr_obstack): New.
23672         (pool_copy_list): Delete.
23673         (temp_copy_call_expr): New.
23674         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
23675         CALL_EXPR accessors.  Get rid of special goo for copying argument
23676         lists and use temp_copy_call_expr instead.
23677         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
23678         CALL_EXPR accessors.
23679         (create_expression_by_pieces): Likewise.  Use build_call_array
23680         to construct the result instead of fold_build3.
23681         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
23682         dealing with argument lists.
23683         (init_pre): Remove references to expression_node_pool and
23684         list_node_pool.  Init temp_call_expr_obstack instead.
23685         (fini_pre): Remove references to expression_node_pool and
23686         list_node_pool.
23687
23688         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
23689         and walk arguments explicitly instead of as a list.
23690
23691         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
23692         (mx_register_decls): Likewise.
23693         (mudflap_register_call): Likewise.
23694         (mudflap_finish_file): Likewise.
23695
23696         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
23697         (ipa_callsite_compute_param): Likewise.
23698
23699         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
23700         accessors and constructor.
23701
23702         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
23703         accessors and constructor.
23704         (convert_tramp_reference): Likewise.
23705         (convert_call_expr): Likewise.
23706         (finalize_nesting_tree_1): Likewise.
23707
23708         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
23709         accessors.
23710
23711         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
23712
23713         * tree-inline.c (initialize_inlined_parameters): Pass entire
23714         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23715         accessors.
23716         (estimate_num_insns_1): Use new CALL_EXPR accessors.
23717         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
23718
23719         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
23720         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23721         (vectorizable_reduction): Likewise.
23722         (vectorizable_call): Use new CALL_EXPR iterators.
23723         (vectorizable_conversion): Use build_call_expr.
23724         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
23725         (vect_gen_widened_results_half): Use build_call_expr.
23726         (vect_setup_realignment): Likewise.
23727         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
23728
23729         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
23730         (pass_through_call): Likewise.
23731         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
23732         fold_builtin.
23733
23734         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
23735         (tree_gen_pow2_profiler): Likewise.
23736         (tree_gen_one_value_profiler): Likewise.
23737         (tree_gen_ic_func_profiler): Likewise.
23738         (tree_gen_average_profiler): Likewise.
23739         (tree_gen_ior_profiler): Likewise.
23740
23741         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
23742         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
23743         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23744
23745         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
23746         of TREE_CODE_LENGTH.
23747
23748         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
23749         of TREE_CODE_LENGTH.
23750
23751         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
23752         constructor.
23753         (convert_to_integer): Likewise.
23754
23755         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
23756         accessors.
23757
23758 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23759             Brooks Moses  <brooks.moses@codesourcery.com>
23760             Lee Millward  <lee.millward@codesourcery.com>
23761
23762         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
23763         accessors.
23764         * config/frv/frv.c (frv_expand_builtin): Likewise.
23765         * config/s390/s390.c (s390_expand_builtin): Likewise.
23766
23767         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
23768         (sparc_expand_builtin): Use new CALL_EXPR accessors.
23769
23770         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
23771         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
23772         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
23773         (ix86_expand_store_builtin): Likewise.
23774         (ix86_expand_unop_builtin): Likewise.
23775         (ix86_expand_unop1_builtin): Likewise.
23776         (ix86_expand_sse_compare): Likewise.
23777         (ix86_expand_sse_comi): Likewise.
23778         (ix86_expand_vec_init_builtin): Likewise.
23779         (ix86_expand_vec_ext_builtin): Likewise.
23780         (ix86_expand_vec_set_builtin): Likewise.
23781         (ix86_expand_builtin): Use new CALL_EXPR accessors.
23782
23783         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
23784         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
23785
23786         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
23787         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23788         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
23789
23790         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
23791         build_call_expr.
23792         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
23793         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
23794         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23795         (altivec_expand_abs_builtin): Likewise.
23796         (rs6000_expand_binop_builtin): Likewise.
23797         (altivec_expand_predicate_builtin): Likewise.
23798         (altivec_expand_lv_builtin): Likewise.
23799         (spe_expand_stv_builtin): Likewise.
23800         (altivec_expand_stv_builtin): Likewise.
23801         (rs6000_expand_ternop_builtin): Likewise.
23802         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
23803         (altivec_expand_st_builtin): Likewise.
23804         (altivec_expand_dst_builtin): Likewise.
23805         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
23806         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23807         (altivec_expand_vec_set_builtin): Likewise.
23808         (altivec_expand_vec_ext_builtin): Likewise.
23809         (altivec_expand_builtin): Use new CALL_EXPR accessors.
23810         (spe_expand_builtin): Likewise.
23811         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
23812         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23813         (spe_expand_evsel_builtin): Likewise.
23814         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
23815         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
23816
23817         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
23818         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23819         (arm_expand_unop_builtin): Likewise.
23820         (arm_expand_builtin): Use new CALL_EXPR accessors.
23821
23822         * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
23823         accessors.
23824
23825         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
23826         CALL_EXPR instead of arglist.  Use new CALL_EXPR accessors.
23827         Fix callers.
23828         (bfin_expand_unop_builtin): Likewise.
23829         (bfin_expand_builtin): Use new CALL_EXPR accessors.
23830
23831 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23832             Brooks Moses  <brooks.moses@codesourcery.com>
23833             Lee Millward  <lee.millward@codesourcery.com>
23834
23835         * c-semantics.c (build_stmt): Add internal diagnostic check.
23836
23837         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
23838         accessors.  Print arguments explicitly instead of as a list.
23839
23840         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
23841
23842         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
23843         (c_finish_omp_flish): Likewise.
23844
23845         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
23846         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
23847         instead of TREE_CODE_LENGTH.
23848         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
23849         (c_warn_unused_result): Likewise.
23850
23851 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23852
23853         PR c/26494
23854         * doc/invoke.texi (Warning Options): Remove
23855         -Werror-implicit-function-declaration.
23856         (Wimplicit-function-declaration): Update description.
23857         * opts.c (common_handle_option): Move handling of -Werror=* to...
23858         (enable_warning_as_error): ...here.
23859         * opts.h (enable_warning_as_error): Declare.
23860         * c-decl.c (implicit_decl_warning): Unless
23861         -Wno-implicit-function-declaration is given, emit a pedwarn if
23862         -std=c99 or emit a warning if -Wimplicit-function-declaration.
23863         * c.opt (Wimplicit-function-declaration): Replace
23864         mesg_implicit_function_declaration with
23865         warn_implicit_function_declaration.
23866         * c-opts.c (c_common_handle_option):
23867         -Werror-implicit-function-declaration is exactly equal as
23868         -Werror=implicit-function-declaration.
23869         (set_Wimplicit): Replace mesg_implicit_function_declaration with
23870         warn_implicit_function_declaration.
23871         (c_common_post_options): -Wimplict-function-declaration is enabled
23872         by default by -std=c99, otherwise is disabled by default.
23873         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
23874
23875 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23876
23877         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
23878         DECL on the rhs to a DECL on the lhs for debug info purposes if the
23879         former is ignored but not the latter.
23880
23881 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23882
23883         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
23884         is made and the reference doesn't use the alias set of its type,
23885         do not create the temporary using that type.
23886
23887 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
23888
23889         * jump.c: Remove prototypes for delete_computation and
23890         delete_prior_computation.
23891
23892 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23893
23894         * jump.c (get_label_after): Delete.
23895         (get_label_before, delete_computation, delete_jump,
23896         delete_prior_computation, follow_jumps): Move...
23897         * reorg.c (delete_computation, delete_prior_computation): ... here...
23898         (get_label_before, delete_jump): ... making these static ...
23899         (follow_jumps): ... and simplifying this since it only runs after
23900         reload.
23901         * rtl.h (get_label_after, get_label_before, delete_jump,
23902         follow_jumps): Delete prototypes.
23903
23904 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23905
23906         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
23907
23908 2007-02-15  Nick Clifton  <nickc@redhat.com>
23909
23910         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
23911         order to prevent it from being munged by the target.
23912
23913 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
23914
23915         * config/i386/i386.md: Remove misleading comment.
23916
23917 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23918
23919         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
23920         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
23921         invalid patterns.
23922
23923 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23924
23925         * tree-sra.c (instantiate_missing_elements): Canonicalize
23926         bit-field types.
23927         (sra_build_assignment): New.
23928         (generate_copy_inout, generate_element_copy,
23929         generate_element_zero, generate_one_element_init): Use it.
23930
23931 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23932
23933         * tree-sra.c (instantiate_missing_elements): Canonicalize
23934         bit-field types.
23935         (sra_build_assignment): New.
23936         (generate_copy_inout, generate_element_copy,
23937         generate_element_zero, generate_one_element_init): Use it.
23938
23939 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23940
23941         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
23942         limbo die nodes.
23943
23944 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
23945
23946         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
23947         types as aggregates not scalars.
23948         * function.c (assign_stack_temp_for_type): Likewise.
23949
23950 2007-02-14  Roger Sayle  <roger@eyesopen.com>
23951             Zdenek Dvorak  <dvorakz@suse.cz>
23952
23953         * tree-dump.c (dump_switch_p_1): Require exact match of the option
23954         name.
23955
23956 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
23957
23958         * passes.c (next_pass_1): Clear the next field of the copied
23959         pass structure.
23960
23961 2007-02-14  Richard Henderson  <rth@redhat.com>
23962
23963         * tree-sra.c (early_sra): New.
23964         (decl_can_be_decomposed_p): Deny va_list if early_sra.
23965         (tree_sra_early, pass_sra_early): New.
23966         * tree-pass.h (pass_sra_early): Declare.
23967         * passes.c (init_optimization_passes): Use it.
23968
23969 2007-02-14  Richard Guenther  <rguenther@suse.de>
23970
23971         * flags.h (issue_strict_overflow_warning): Convert to a macro.
23972
23973 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
23974
23975          PR tree-optimization/30771
23976         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
23977         also phi nodes.
23978         (vect_analyze_operations): Induction phis can now be marked as
23979         used_in_loop.
23980         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
23981         Update documentation accordingly.
23982
23983 2007-02-14  Nick Clifton  <nickc@redhat.com>
23984
23985         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
23986         most 3 arguments are supported.
23987         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
23988
23989 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
23990
23991         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
23992         Ensure dst->current is valid.
23993
23994 2007-02-13  Paul Brook  <paul@codesourcery.com>
23995
23996         * config.gcc: Add arm*-*-uclinux-*eabi.
23997         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
23998         (SUBTARGET_EXTRA_LINK_SPEC): Define.
23999         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
24000         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
24001         (LINK_SPEC): Define.
24002         (LIB_SPEC): Define.
24003         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
24004         register.
24005         * config/arm/uclinux-eabi.h: New file.
24006         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
24007         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
24008         based targets.
24009
24010 2007-02-13  Ian Lance Taylor  <iant@google.com>
24011
24012         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
24013         * flags.h (warn_strict_overflow): Declare.
24014         (enum warn_strict_overflow_code): Define.
24015         (issue_strict_overflow_warning): New static inline function.
24016         * opts.c (warn_strict_overflow): New variable.
24017         (common_handle_option): Handle OPT_Wstrict_overflow and
24018         OPT_Wstrict_overflow_.
24019         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
24020         OPT_Wall.
24021         * fold-const.c: Include intl.h.
24022         (fold_deferring_overflow_warnings): New static variable.
24023         (fold_deferred_overflow_warning): New static variable.
24024         (fold_deferred_overflow_code): New static variable.
24025         (fold_defer_overflow_warnings): New function.
24026         (fold_undefer_overflow_warnings): New function.
24027         (fold_undefer_and_ignore_overflow_warnings): New function.
24028         (fold_deferring_overflow_warnings_p): New function.
24029         (fold_overflow_warning): New static function.
24030         (make_range): Add strict_overflow_p parameter.  Change all
24031         callers.
24032         (extract_muldiv, extract_muldiv_1): Likewise.
24033         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
24034         tree_expr_nonnegative_p.
24035         (fold_negate_expr): Call fold_overflow_warning.
24036         (fold_range_test): Likewise.
24037         (fold_comparison): Likewise.
24038         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
24039         instead of tree_expr_nonnegative_p.
24040         (tree_expr_nonnegative_warnv_p): Rename from
24041         tree_expr_nonnegative_p, add strict_overflow_p parameter.
24042         (tree_expr_nonnegative_p): New function.
24043         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
24044         strict_overflow_p parameter.
24045         (tree_expr_nonzero_p): New function.
24046         * passes.c (verify_interpass_invariants): New static function.
24047         (execute_one_pass): Call it.
24048         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
24049         warnings.
24050         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
24051         (estimate_numbers_of_iterations): Likewise.
24052         (scev_probably_wraps_p): Likewise.
24053         * tree-ssa-ccp.c: Include "toplev.h".
24054         (evaluate_stmt): Defer fold overflow warnings until we know we are
24055         going to optimize.
24056         (struct fold_stmt_r_data): Add stmt field.
24057         (fold_stmt_r): Defer fold overflow warnings until we know we
24058         optimized.
24059         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
24060         (fold_stmt_inplace): Likewise.
24061         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
24062         (cleanup_control_expr_graph): Defer fold overflow warnings until
24063         we know we are going to optimize.
24064         * tree-cfg.c (fold_cond_expr_cond): Likewise.
24065         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
24066         Likewise.
24067         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
24068         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
24069         * tree-ssa-loop-manip.c (create_iv): Likewise.
24070         * c-typeck.c (build_conditional_expr): Likewise.
24071         (build_binary_op): Likewise.
24072         * tree-vrp.c (vrp_expr_computes_nonzero): Call
24073         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
24074         (extract_range_from_unary_expr): Likewise.
24075         * simplify-rtx.c (simplify_const_relational_operation): Warn when
24076         assuming that signed overflow does not occur.
24077         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
24078         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
24079         (fold_defer_overflow_warnings): Declare.
24080         (fold_undefer_overflow_warnings): Declare.
24081         (fold_undefer_and_ignore_overflow_warnings): Declare.
24082         (fold_deferring_overflow_warnings_p): Declare.
24083         (tree_expr_nonzero_warnv_p): Declare.
24084         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
24085         of warning options.
24086         (Warning Options): Document -Wstrict-overflow.
24087         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
24088         (tree-ssa-ccp.o): Likewise.
24089         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
24090         (fold-const.o): Depend on intl.h.
24091
24092 2007-02-13  Ian Lance Taylor  <iant@google.com>
24093
24094         PR middle-end/30751
24095         * lower-subreg.c (resolve_simple_move): Decompose subregs in
24096         addresses.
24097
24098 2007-02-13  Stuart Hastings  <stuart@apple.com>
24099
24100         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
24101
24102 2007-02-13  Richard Henderson  <rth@redhat.com>
24103
24104         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
24105         handled_component_p before looking for the indirect_ref.
24106
24107 2007-02-13  Richard Henderson  <rth@redhat.com>
24108
24109         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
24110         remove flags clobber.
24111         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
24112         (bswaphi_lowpart): New.
24113         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
24114         remove TARGET_BSWAP test.  Delete expander of the same name.
24115
24116         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
24117         (expand_unop): Use them.
24118
24119 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
24120
24121         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
24122         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
24123         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
24124         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
24125         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
24126         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
24127         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
24128         assembler dialect choice from asm templates.
24129
24130 2007-02-12  Richard Henderson  <rth@redhat.com>
24131
24132         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
24133         (fixuns_trunc<SSEMODEF>si2): Use it.
24134         * config/i386/sse.md (vec_setv4sf_0): Export.
24135         * config/i386/i386.c (ix86_build_const_vector): Export.
24136         (ix86_split_convert_uns_si_sse): Rename from
24137         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
24138         * config/i386/i386-protos.h: Update.
24139
24140 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24141
24142         PR c/29521
24143         * c-typeck.c (c_finish_return): Improve warning message.
24144
24145 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24146
24147         * alias.c (find_symbolic_term): Delete unused function.
24148
24149 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
24150
24151         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
24152         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
24153         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
24154
24155 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
24156
24157         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
24158         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
24159         the function, temporarily point the debug interface to the null one.
24160
24161 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
24162
24163         * dwarf2out.c (round_up_to_align): New static function.
24164         (field_byte_offset): Use it to round the offset.
24165
24166 2007-02-12  Richard Henderson  <rth@redhat.com>
24167
24168         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
24169         (inswl_const): Export.
24170
24171 2007-02-12  Richard Henderson  <rth@redhat.com>
24172
24173         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
24174         result mode of the libcall, convert back to outmode.
24175
24176 2007-02-12  Roger Sayle  <roger@eyesopen.com>
24177
24178         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
24179         (bswapdi2): New define_expand to implement 32-bit implementation.
24180
24181 2007-02-12  Nick Clifton  <nickc@redhat.com>
24182
24183         * doc/invoke.texi (Overall Options): Document --help=.
24184         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
24185         (cc1_options): Pass --help= on to cc1.
24186         (display_help): Add description of --help=.
24187         (process_command): Add code to handle --help=.  Allow translated
24188         --help and --target-help switches to be passed on to compiler
24189         sub-process.
24190         (main): Remove unused if statement.
24191         * opts.c (columns): Remove.
24192         (LEFT_COLUMN): Define.
24193         (wrap_help): Add columns argument.
24194         (print_filtered_help): Change parameters to be an include bitmask,
24195         an exclude bitmask, an any bitmask and the column width.  Move the
24196         code to display the params list here.  Add code to display the
24197         status of options rather than their descriptions if the quiet flag
24198         is not active.
24199         (print_specific_help): Change parameters to be an include bitmask,
24200         an exclude bitmask and an any bitmask.  Move code to look up the
24201         column width here.  Decide upon the title for an options listing.
24202         (common_handle_options): Add code to handle --help=.  Adapt code
24203         for --help and --target-help to use the revised form of the
24204         print_specific_help function.
24205         (print_help): Delete.
24206         (print_param_help): Delete.
24207         (print_switch): Delete.
24208         * opts.h (cl_lang_count): Add prototype.
24209         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
24210         CL_MAX_OPTION_CLASS): New defines.
24211         * optc-gen.awk: Add construction of cl_lang_count.
24212         * c.opt: Add Warning attribute to warning options and Optimization
24213         attribute to optimization options.
24214         * common.opt: Likewise.
24215         Add --help=.
24216         Add -fhelp and -ftarget-help as aliases for the transformed --help
24217         and --target-help options.
24218         * opt-functions.awk: Add code to handle Warning and Optimization
24219         attributes.
24220
24221 2007-02-12  Richard Henderson  <rth@redhat.com>
24222
24223         * config/alpha/constraints.md: New file.
24224         * config/alpha/alpha.c: Include tm-constrs.h.
24225         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
24226         alpha_extra_constraint): Remove.
24227         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
24228         * config/alpha/alpha-protos.h: Update.
24229         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
24230         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
24231         (EXTRA_CONSTRAINT): Remove.
24232         * config/alpha/alpha.md: Include constraints.md.
24233         (adddi splitter): Use satisfies_constraint_*.
24234         * config/alpha/predicates.md (add_operand): Likewise.
24235         (sext_add_operand, addition_operation): Likewise.
24236
24237 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
24238
24239         PR tree-optimization/29145
24240         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
24241         in our handling of restrict qualified pointers.
24242
24243 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24244
24245         PR middle-end/7651
24246         * doc/invoke.texi (Wunused-value): Update description.
24247         (Wextra): Delete item.
24248         * opts.c (set_Wextra): Don't use the value of Wextra to set the
24249         value of Wunused-value.
24250         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
24251         (c_finish_stmt_expr): Don't check extra_warnings.
24252         (emit_side_effect_warnings): The caller is responsible to check
24253         warn_unused_value.
24254
24255 2007-02-11  Roger Sayle  <roger@eyesopen.com>
24256             Matt Thomas  <matt@3am-software.com>
24257
24258         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
24259
24260 2007-02-11  Roger Sayle  <roger@eyesopen.com>
24261
24262         * simplify-rtx.c (simplify_relational_operation_1): Optimize
24263         comparisons of POPCOUNT against zero.
24264         (simplify_const_relational_operation): Likewise.
24265
24266 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24267
24268         * doc/invoke.texi (Wextra): Delete outdated paragraph.
24269
24270 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24271
24272         * dwarf2out.c (root_type): Delete unused function.
24273
24274 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24275
24276         * genattrtab.c (contained_in_p): Delete unused function.
24277         (write_expr_attr_cache): Likewise.
24278
24279 2007-02-11  Jan Hubicka  <jh@suse.cz>
24280
24281         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
24282         previous patch.
24283
24284 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
24285
24286         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
24287         to add the REG_EQ* note.
24288         * see.c (see_merge_one_use_extension): Likewise.
24289         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
24290         turn REG_EQUAL notes into REG_EQUIV notes if the target
24291         register may have more than one set.
24292         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
24293         * gcse.c (try_replace_reg): Likewise.
24294         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
24295         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
24296         more than one REG_EQUIV note.
24297         * reload1.c (gen_reload): Use set_unique_reg_note.
24298
24299 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
24300
24301         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
24302         (ix86_builtin_conversion): New function.
24303
24304 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
24305
24306         PR target/29487
24307         * tree.h (DECL_REPLACEABLE_P): New macro.
24308         * except.c (set_nothrow_function_flags): Likewise.
24309
24310 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
24311             Ira Rosen  <irar@il.ibm.com>
24312             Dorit Nuzman  <dorit@il.ibm.com>
24313
24314         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
24315         * targhooks.c (default_builtin_vectorized_conversion): New.
24316         * targhooks.h (default_builtin_vectorized_function): New declaration.
24317         * target.h (struct vectorize): Add builtin_conversion field.
24318         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
24319         stmt_vec_info_type value.
24320         (vectorizable_conversion): New declaration.
24321         * tree-vect-analyze.c (vect_analyze_operations): Add
24322         vectorizable_conversion call.
24323         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
24324         * tree-vect-transform.c (vectorizable_conversion): New function.
24325         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
24326         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
24327         mode.
24328         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
24329         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
24330         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
24331         or ALTIVEC_BUILTIN_VCFSX.
24332
24333 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24334
24335         PR target/30634
24336         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
24337         CONST_DOUBLE and operand 0 is a hard register.
24338         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
24339         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
24340         is a hard floating-point register.
24341
24342 2007-02-10  Richard Henderson  <rth@redhat.com>
24343             Jakub Jelinek  <jakub@redhat.com>
24344             Alexandre Oliva  <aoliva@redhat.com>
24345
24346         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
24347         * builtin-types.def (BT_WORD): Make unsigned.
24348         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
24349         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
24350         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
24351         * c-decl.c (grokdeclarator): Don't error if !have_tls.
24352         * c-parser.c (c_parser_omp_threadprivate): Likewise.
24353         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
24354         emulated tls.
24355         * expr.c (emutls_var_address): New.
24356         (expand_expr_real_1): Expand emulated tls.
24357         (expand_expr_addr_expr_1): Likewise.
24358         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
24359         * output.h (emutls_finish): Declare.
24360         * toplev.c (compile_file): Call it.
24361         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
24362         address before wrapping in CONST.
24363         * varasm.c (emutls_htab, emutls_object_type): New.
24364         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
24365         (get_emutls_object_name, get_emutls_object_type): New.
24366         (get_emutls_init_templ_addr, emutls_decl): New.
24367         (emutls_common_1, emutls_finish): New.
24368         (assemble_variable): When emulating tls, swap decls; generate
24369         constructor for the emutls objects.
24370         (do_assemble_alias): When emulating tls, swap decl and target name.
24371         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
24372         for emulated tls.
24373         * varpool.c (decide_is_variable_needed): Look at force_output.
24374         Recurse for emulated tls.
24375         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
24376         with decide_is_variable_needed.
24377         * emutls.c: New file.
24378         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
24379         tls_object for real tls.
24380
24381 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
24382
24383         PR rtl-optimization/29599
24384         * reload1.c (eliminate_regs_in_insn): Take the destination
24385         mode into account when computing the offset.
24386
24387 2007-02-09  Stuart Hastings  <stuart@apple.com>
24388             Richard Henderson  <rth@redhat.com>
24389
24390         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24391         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24392         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
24393         fixuns_truncdfhi2): New.
24394         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
24395         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
24396         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
24397         (floatunssidf2): Allow nonimmediate source.
24398         * config/i386/sse.md (movdi_to_sse): New.
24399         (vec_concatv2di): Drop '*'.
24400         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
24401         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24402         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
24403         New.
24404         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
24405         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24406         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
24407         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
24408         (ix86_build_signbit_mask): Fix decl of v, refactor to call
24409         ix86_build_const_vector.
24410         (x86_emit_floatuns): Rewrite.
24411
24412 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24413
24414         * genautomata.c (longest_path_length): Delete unused function.
24415         (struct state): Delete unused longest_path_length.
24416         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
24417         (get_free_state): Delete unused.
24418
24419 2007-02-09  Jan Hubicka  <jh@suse.cz>
24420
24421         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
24422         * doc/invoke.texi (inline-unit-growth): Update default value.
24423
24424         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
24425         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
24426         (rebuild_cgraph_edges): Likewise.
24427         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
24428         (dump_cgraph_node): Dump frequencies.
24429         (cgraph_clone_edge): Add frequency scales.
24430         (cgraph_clone_node): Add freuqnecy.
24431         * cgraph.h (cgraph_edge): Add freuqnecy argument.
24432         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
24433         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
24434         * tree-pass.h (TODO_rebuild_frequencies): New constant.
24435         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
24436         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
24437         (save_inline_function_body): Likewise.
24438         * ipa-inline.c: inluce rtl.h
24439         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
24440         (cgraph_edge_badness): Use frequencies.
24441         (cgraph_decide_recursive_inlining): Update clonning.
24442         (cgraph_decide_inlining_of_small_function): Dump frequency.
24443         * predict.c (estimate_bb_frequencies): Export.
24444         * predict.h (estimate_bb_frequencies): Declare.
24445         * tree-inline.c (copy_bb): Watch overflows.
24446         (expand_call_inline): Update call of cgraph_create_edge.
24447         (optimize_inline_calls): Use TODO flags to update frequnecies.
24448         * passes.h: Include predict.h
24449         (init_optimization_passes): Move profile ahead.
24450         (execute_function_todo): Handle TODO_rebuild_frequencies.
24451
24452 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24453
24454         * config/alpha/alpha.c (emit_insxl): Force the first operand of
24455         the insbl or inswl pattern into a register.
24456
24457 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24458
24459         * config/ia64/ia64.md (bswapdi2): New define_insn.
24460
24461 2007-02-09  Richard Henderson  <rth@redhat.com>
24462
24463         * config/i386/constraints.md (Ym): New constraint.
24464         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
24465         (movdi_1_rex64): Split sse and xmm general register moves from
24466         memory move alternatives.  Use conditional register constraints.
24467         (movsf_1, movdf_integer): Likewise.
24468         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
24469         (movdf_integer_rex64): New.
24470         (pushsf_rex64): Fix output constraints.
24471         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
24472         (sse2_stored): Likewise.
24473         (sse2_storeq_rex64): New.
24474         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
24475         amd and not generic.
24476         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
24477         for optimize_size.  Remove SF/DFmode hack.
24478
24479 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
24480
24481         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
24482         (bit_SSE4a): New.
24483
24484 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
24485             Richard Sandiford  <richard@codesourcery.com>
24486
24487         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
24488         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
24489         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
24490         m68k/t-mlib to tmake_file.
24491         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
24492         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
24493         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
24494         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
24495         variable is not empty, add t-$m68k_arch_family to tmake_file.
24496         Add t-mlibs to tmake_file.
24497         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
24498         * config/m68k/t-cf: New file.
24499         * config/m68k/t-m68k: Likewise.
24500         * config/m68k/t-mlibs: Likewise.
24501         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24502         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24503         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24504         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24505         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
24506         Delete.
24507         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
24508         (INSTALL_LIBGCC): Delete.
24509         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24510         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24511         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24512         (M68K_MLIB_CPU): Define.
24513         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24514         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24515         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
24516
24517 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
24518             Richard Guenther  <rguenther@suse.de>
24519
24520         PR middle-end/23361
24521         * fold-const.c (fold_comparison): Handle obfuscated comparisons
24522         against INT_MIN/INT_MAX.
24523         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
24524         file if a loop is removed.
24525
24526 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
24527
24528         * calls.c (store_one_arg): Pass correct alignment to
24529         emit_push_insn for non-BLKmode values.
24530         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
24531         unaligned stack slot via a suitably aligned slot.
24532
24533 2007-02-08  DJ Delorie  <dj@redhat.com>
24534
24535         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
24536         warnings.
24537         (legal_subregs): Use unsigned char, make const.
24538         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
24539
24540 2007-02-08  Paul Brook  <paul@codesourcery.com>
24541
24542         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
24543         special interworking needed.
24544
24545 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
24546
24547         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
24548         conditional to __SSE2__.
24549         (Entries below should have been added to first ChangeLog
24550         entry for amdfam10 dated 2007-02-05)
24551         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
24552         defined.
24553         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
24554         defined.
24555         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
24556         defined.
24557
24558 2007-02-08  DJ Delorie  <dj@redhat.com>
24559
24560         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
24561         * config/m32c/m32c.c (legal_subregs): New.
24562         (m32c_illegal_subreg_p): New.
24563         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
24564         unsupported subregs of hard regs.
24565
24566 2007-02-08  Jan Hubicka  <jh@suse.cz>
24567
24568         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
24569         the same one; always update histograms.
24570
24571 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24572
24573         * passes.c (init_optimization_passes): Tidy comment.
24574
24575 2007-02-08  Roger Sayle  <roger@eyesopen.com>
24576
24577         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
24578         strip zero_extend, bswap and rotates from POCOUNT's argument.
24579         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
24580         zero_extend and rotates from PARITY's argument.
24581         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
24582         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
24583         of an integer constant at compile-time.
24584
24585 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24586
24587         PR 30562
24588         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
24589         Update all users.
24590         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
24591         users.
24592         (init_alias_info):
24593         * tree-ssa-live.c (remove_unused_locals): Do not remove
24594         TREE_ADDRESSABLE variables.
24595         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
24596         * tree-ssa-operands.c (add_virtual_operand): Remove argument
24597         FOR_CLOBBER.  Update all users.
24598         If VAR has an associated alias set, add a virtual operand for
24599         it if no alias is found to conflict with the memory reference.
24600
24601 2007-02-07  Jan Hubicka  <jh@suse.cz>
24602             Robert Kidd <rkidd@crhc.uiuc.edu>
24603
24604         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
24605
24606 2007-02-07  Ian Lance Taylor  <iant@google.com>
24607
24608         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
24609
24610 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24611
24612         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
24613         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
24614         tablejumpdi, movsi_to_cr_one): Remove constraints from
24615         define_expand's match_operands.
24616
24617 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24618
24619         * global.c (compute_regsets): Move declatation of "i" inside of
24620         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
24621
24622 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
24623
24624         PR c++/30703
24625         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
24626         of INDIRECT_REF <RESULT_DECL>.
24627
24628         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
24629
24630 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
24631             Kaz Kojima  <kkojima@gcc.gnu.org>
24632
24633         PR target/29746
24634         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
24635         properly.
24636         (sh_initialize_trampoline): Add parentheses to avoid a warning.
24637
24638 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
24639
24640         * doc/loop.texi: Document possibility not to perform disambiguation
24641         of loops with multiple latches.
24642         * cfgloopmanip.c (alp_enum_p): Removed.
24643         (add_loop): Handle subloops.  Use get_loop_body_with_size.
24644         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
24645         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
24646         the new forwarder block.
24647         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
24648         Handle the case latch is NULL.
24649         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
24650         modifications when marking loop exits.
24651         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
24652         be modified.
24653         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
24654         disambiguate_loops_with_multiple_latches.
24655         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
24656         before fix_loop_structure.
24657         * cfgloop.c: Include pointer-set.h and output.h.
24658         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
24659         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
24660         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
24661         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
24662         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
24663         disambiguate_multiple_latches, get_loop_body_with_size,
24664         disambiguate_loops_with_multiple_latches): New functions.
24665         (flow_loop_dump): Dump multiple latch edges.
24666         (flow_loop_nodes_find): Handle loops with multiple latches.
24667         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
24668         (glb_enum_p): Modified.
24669         (get_loop_body): Use get_loop_body_with_size.
24670         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
24671         (AVOID_CFG_MODIFICATIONS): New constant.
24672         (disambiguate_loops_with_multiple_latches, add_loop,
24673         get_loop_body_with_size): Declare.
24674         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
24675
24676 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
24677
24678         PR inline-asm/28686
24679         * global.c (compute_regsets): New function.
24680         (global_alloc): Refactored ELIMINABLE_REGSET
24681         and NO_GLOBAL_ALLOC_REGS computation out.
24682         (rest_of_handle_global_alloc): Call compute_regsets()
24683         for non-optimizing case.
24684
24685 2007-02-06  Richard Henderson  <rth@redhat.com>
24686
24687         * config/i386/constraints.md (Y2): Rename from Y.
24688         (Yi): New constraint.
24689         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
24690         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
24691         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
24692         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
24693         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
24694         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
24695         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
24696         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
24697         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
24698         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
24699         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
24700         vec_extractv2si_1): Change Y constraints to Y2.
24701         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
24702         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
24703         Change Y constraints to Y2.
24704         (sse2_loadld): Change Y constraints to x.
24705
24706 2007-02-06  Roger Sayle  <roger@eyesopen.com>
24707
24708         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
24709         (parity<mode>2): New define_expand using rs6000_emit_parity.
24710         * config/rs6000/rs6000.c (rs6000_emit_popcount,
24711         rs6000_emit_parity): New functions.
24712         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
24713         rs6000_emit_parity): Prototype here.
24714
24715 2007-02-06  Ian Lance Taylor  <iant@google.com>
24716
24717         * lower-subreg.c (simple_move_operand): Reject CONST.
24718         (resolve_clobber): Call validate_change rather than directly
24719         assigning to XEXP (pat, 0).
24720
24721 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24722
24723         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
24724         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
24725         (tree-cfg.o): Remove hashtab.h dependency.
24726
24727         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
24728         (struct ivopts_data): Change niters to pointer_map_t.
24729         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
24730         (niter_for_exit): Create pointer_map on demand.  Change for
24731         pointer_map API.
24732         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
24733         (free_loop_data): Destroy data->niters if created and reset field.
24734         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
24735         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
24736
24737         * tree-ssa-reassoc.c: Include pointer-set.h.
24738         (bb_rank): Change to long *.
24739         (operand_rank): Change to pointer_map_t.
24740         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
24741         (insert_operand_rank): Accept long.
24742         (operand_entry_hash, operand_entry_eq): Remove.
24743         (get_rank): Return long.  Adjust for changes above.
24744         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
24745         and operand_rank.
24746         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
24747
24748         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
24749         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
24750         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
24751         is not NULL.
24752         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
24753         directly since it cannot be NULL.
24754         (get_vi_for_tree): Rewrite for pointer_map API.
24755         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
24756         (init_alias_vars): Create vi_for_tree as pointer_map.
24757         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
24758
24759         * tree-cfg.c: Don't include hashtab.h.
24760         (edge_to_cases): Declare as pointer_map.
24761         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
24762         Delete.
24763         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
24764         (start_recording_case_labels): Create edge_to_cases as pointer_map.
24765         (end_recoding_case_labels): Cleanup edge_to_cases manually before
24766         destroying it.
24767         (record_switch_edge): Delete.
24768         (get_cases_for_edge): Adjust for pointer_map API, inline
24769         record_switch_edge (rewritten for new API), remove goto.
24770
24771 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24772
24773         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
24774         * tree-nested.c: Include pointer-set.h.
24775         (var_map_elt, var_map_eq, var_map_hash): Delete.
24776         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
24777         to pointer_map_t's.
24778         (nesting_info_bitmap_obstack): New.
24779         (lookup_field_for_decl): Adjust for pointer_map API.
24780         (lookup_tramp_for_decl): Adjust for pointer_map API.
24781         (get_nonlocal_debug_decl): Adjust for pointer_map API.
24782         (get_local_debug_decl): Adjust for pointer_map API.
24783         (convert_nl_goto_reference): Adjust for pointer_map API.
24784         (convert_nl_goto_receiver): Adjust for pointer_map API.
24785         (create_nesting_tree): Create outside GGC space.  Create bitmap on
24786         the new obstack.  Create field_map and var_map as pointer_maps.
24787         (free_nesting_tree): Adjust for changes to create_nesting_tree.
24788         (root): Delete.
24789         (lower_nested_functions): Move root here, no need to NULL it.
24790         Initialize and release the obstack.
24791
24792 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
24793
24794         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
24795         Remove prototypes and make them non-static.
24796         (struct tree_int_map): Remove.
24797         * tree.h (struct tree_int_map): Move here, turning TO into an
24798         unsigned int.
24799         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
24800
24801         * tree.h (TREE_COMPLEXITY): Remove.
24802         (struct tree_exp): Remove complexity field.
24803         * tree.c (build1_stat): Don't set it.
24804
24805 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
24806             Victor Kaplansky  <victork@il.ibm.com>
24807
24808         * tree-vectorizer.c (vect_is_simple_use): Support induction.
24809         (vect_is_simple_reduction): Support reduction with induction as
24810         one of the operands.
24811         (vect_is_simple_iv_evolution): Fix formatting.
24812         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
24813         formatting.  Don't mark induction phis for vectorization.
24814         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
24815         * tree-vect-transform.c (get_initial_def_for_induction): New function.
24816         (vect_get_vec_def_for_operand): Support induction.
24817         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
24818         induction case.
24819         (vectorizable_reduction): Support reduction with induction as one of
24820         the operands.
24821         (vectorizable_type_demotion): Use def-type of stmt argument rather
24822         than dummy def-type.
24823
24824         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
24825         flag_tree_scev_cprop.
24826         * common.opt (tree-scev-cprop): New flag.
24827
24828         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
24829         call to vect_get_new_vect_var.
24830
24831 2007-02-06  Ira Rosen  <irar@il.ibm.com>
24832
24833         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
24834         vectype is not NULL.
24835         (vect_pattern_recog_1): Likewise.
24836
24837 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24838
24839         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
24840         (fold_negate_expr): Likewise.
24841
24842 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
24843
24844         PR debug/30189
24845         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
24846         even if cv-qualification is the same.
24847
24848 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
24849
24850         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
24851         __enable_execute_stack on completion.
24852
24853 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24854
24855         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
24856         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
24857         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
24858         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
24859         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
24860         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
24861         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
24862         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
24863
24864 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24865
24866         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
24867         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
24868         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
24869         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
24870         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
24871         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
24872         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
24873         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
24874         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
24875         umuldi3_highpart_rex64, umulsi3_highpart_insn,
24876         umulsi3_highpart_zext, smuldi3_highpart_rex64,
24877         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
24878         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
24879         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
24880         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
24881         sqrtextenddfxf2_i387): Added amdfam10_decode.
24882
24883         * config/i386/athlon.md (athlon_idirect_amdfam10,
24884         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
24885         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
24886         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
24887         athlon_ivector_store_amdfam10): New define_insn_reservation.
24888         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
24889         amdfam10.
24890
24891 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24892
24893         * config/i386/athlon.md (athlon_call_amdfam10,
24894         athlon_pop_amdfam10, athlon_lea_amdfam10): New
24895         define_insn_reservation.
24896         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
24897         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
24898         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
24899
24900 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24901
24902         * config/i386/athlon.md (athlon_sseld_amdfam10,
24903         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
24904         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
24905
24906 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24907
24908         * config/i386/athlon.md (athlon_sseins_amdfam10): New
24909         define_insn_reservation.
24910         * config/i386/i386.md (sseins): Added sseins to define_attr type
24911         and define_attr unit.
24912         * config/i386/sse.md: Set type attribute to sseins for insertq
24913         and insertqi.
24914
24915 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24916
24917         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
24918         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
24919         ssecomi_load_amdfam10, ssecomi_amdfam10,
24920         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
24921         define_insn_reservation.
24922         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
24923
24924 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24925
24926         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
24927         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
24928         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
24929         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
24930         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
24931         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
24932         define_insn_reservation.
24933
24934         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
24935         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
24936         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
24937         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
24938         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
24939
24940 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24941
24942         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
24943         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
24944         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
24945         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
24946         athlon_ssemul_load_k8): Added amdfam10.
24947
24948 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24949
24950         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
24951         (x86_sse_unaligned_move_optimal): New variable.
24952
24953         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
24954         m_AMDFAM10.
24955         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
24956         for unaligned vector SSE double/single precision loads for AMDFAM10.
24957
24958 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24959
24960         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
24961         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
24962         Define TARGET_CPU_DEFAULT_amdfam10.
24963         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
24964         (processor_type): Add PROCESSOR_AMDFAM10.
24965
24966         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
24967         processor_type in config/i386/i386.h.
24968         Enable imul peepholes for TARGET_AMDFAM10.
24969
24970         * config.gcc: Add support for --with-cpu option for amdfam10.
24971
24972         * config/i386/i386.c (amdfam10_cost): New variable.
24973         (m_AMDFAM10): New macro.
24974         (m_ATHLON_K8_AMDFAM10): New macro.
24975         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
24976         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
24977         x86_promote_QImode, x86_integer_DFmode_moves,
24978         x86_partial_reg_dependency, x86_memory_mismatch_stall,
24979         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
24980         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
24981         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
24982         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
24983         Enable/disable for amdfam10.
24984         (override_options): Add amdfam10_cost to processor_target_table.
24985         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
24986         processor_alias_table.
24987         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
24988         (ix86_adjust_cost): Add code for amdfam10.
24989
24990 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24991
24992         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
24993         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
24994         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
24995         * config/i386/i386.h: Add builtin definition for SSE4A.
24996         * config/i386/i386.md: Add support for ABM instructions
24997         (popcnt and lzcnt).
24998         * config/i386/sse.md: Add support for SSE4A instructions
24999         (movntss, movntsd, extrq, insertq).
25000         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
25001         Add -march=amdfam10 flag.
25002         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
25003         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
25004         and amdfam10.
25005         * doc/extend.texi: Add documentation for SSE4A builtins.
25006
25007 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
25008
25009         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
25010
25011 2007-02-05  Richard Guenther  <rguenther@suse.de>
25012
25013         * tree-vectorizer.h (vectorizable_function): Add argument type
25014         argument, change return type.
25015         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
25016         * tree-vect-transform.c (vectorizable_function): Handle extra
25017         argument, return vectorized function decl.
25018         (build_vectorized_function_call): Remove.
25019         (vectorizable_call): Handle calls with result and argument types
25020         differing.  Handle loop vectorization factor correctly.
25021         * targhooks.c (default_builtin_vectorized_function): Adjust for
25022         extra argument.
25023         * targhooks.h (default_builtin_vectorized_function): Likewise.
25024         * target.h (builtin_vectorized_function): Add argument type
25025         argument.
25026         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
25027         extra argument, allow vectorizing of lrintf.
25028         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
25029         documentation of target hook.
25030
25031 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
25032
25033         PR target/30665
25034         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
25035         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
25036         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
25037
25038 2007-02-05  Roger Sayle  <roger@eyesopen.com>
25039
25040         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
25041         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
25042         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
25043         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
25044         before canonicalizing sincos to cexpi.
25045         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
25046
25047 2007-02-05  Roger Sayle  <roger@eyesopen.com>
25048
25049         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
25050         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
25051         (alpha_init_builtins): Use alpha_add_builtins to process tables.
25052
25053 2007-02-05  Roger Sayle  <roger@eyesopen.com>
25054
25055         * mips-tfile.c (initialize_init_file): Correct endianness test.
25056
25057 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
25058
25059         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
25060         the 'y' constraint.
25061
25062 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
25063
25064         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
25065         saves in a PARALLEL before the register assignments.
25066
25067 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
25068
25069         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
25070         DWARF_FRAME_RETURN_COLUMN to be a general register.
25071         * dwarf2out.c (init_return_column_size): New function, split from...
25072         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
25073         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
25074         to be nongeneral registers.
25075         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
25076         integer registers.
25077         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
25078         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
25079
25080 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
25081
25082         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
25083
25084 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
25085
25086         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
25087         (remove_path): Use can_remove_branch_p and remove_branch instead
25088         of loop_delete_branch_edge.
25089         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
25090         (tree_transform_and_unroll_loop): Remove dead branches immediately.
25091         Update profile using scale_dominated_blocks_in_loop.
25092         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
25093         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
25094         (can_remove_branch_p, remove_branch): Declare.
25095         * tree-cfg.c (tree_can_remove_branch_p): New function.
25096         (tree_cfg_hooks): Add tree_can_remove_branch_p.
25097         * cfgrtl.c (rtl_can_remove_branch_p): New function.
25098         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
25099
25100 2007-02-05  Jan Hubicka  <jh@suse.cz>
25101
25102         PR middle-end/30696
25103         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
25104         nodes in cgraph, don't remove offline copy of the function.
25105
25106 2007-02-04  Jan Hubicka  <jh@suse.cz>
25107
25108         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
25109         vectors might cause maybe_lookup_element_for_expr to be called
25110         on non-sra-candidate.
25111
25112 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25113
25114         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
25115         config/bfin/bfin.md, config/bfin/predicates.md: Follow
25116         spelling conventions.
25117
25118 2007-02-04  Richard Guenther  <rguenther@suse.de>
25119
25120         PR middle-end/30636
25121         * fold-const.c (try_move_mult_to_index): Make sure to not
25122         overflow one dimension of a multi-dimensional array access.
25123
25124 2007-02-04  Jan Hubicka  <jh@suse.cz>
25125
25126         * passes.c (init_optimization_passes): Reindent.
25127
25128 2007-02-04  Jan Hubicka  <jh@suse.cz>
25129             Eric Botcazou  <ebotcazou@adacore.com>
25130
25131         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
25132         (execute_fixup_cfg): Break out the abnormal goto code.
25133         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
25134         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
25135         (optimize_inline_calls): Call make_nonlocal_label_edges.
25136
25137 2007-02-04  Jan Hubicka  <jh@suse.cz>
25138
25139         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
25140         true when something was changed.
25141         (rename_ssa_copies): When something was changed, do
25142         TODO_remove_unused_locals.
25143         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
25144         add TODO_remove_unused_locals when instruction was removed.
25145
25146 2007-02-04  Jan Hubicka  <jh@suse.cz>
25147
25148         * ipa-inline.c (try_inline): Improve debug output; work on already
25149         inline edges too.
25150         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
25151         call try_inline for already inlined edges too when flattening;
25152         inline also functions that make callee growth but overall unit size
25153         reduce.
25154
25155 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25156
25157         * config/m32c/bitops.md, config/m32c/jump.md,
25158         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
25159         config/m32r/m32r.h, config/m32r/m32r.md,
25160         config/m32r/predicates.md, config/m68hc11/larith.asm,
25161         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
25162         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
25163         config/mips/mips-protos.h, config/mips/mips.c,
25164         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
25165         config/mn10300/mn10300.h, config/mn10300/predicates.md,
25166         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
25167         spelling conventions.
25168
25169         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
25170         Follow spelling conventions.
25171
25172 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
25173
25174         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
25175         warn about C++0x compatibility.
25176
25177 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25178
25179         * config/h8300/h8300.c, config/h8300/h8300.h,
25180         config/h8300/h8300.md: Follow spelling conventions.
25181
25182 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
25183
25184         PR middle-end/30667
25185         * combine.c (try_combine): Do not substitute source operand
25186         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
25187
25188 2007-02-03  Jan Hubicka  <jh@suse.cz>
25189
25190         PR gcov-profile/30650
25191         * value-prof.c (stringop_block_profile): Fix handling of size counter;
25192         do not divide by zero for never executed counters.
25193         (tree_find_values_to_profile): Fix counters.
25194         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
25195
25196 2007-02-03  Ian Lance Taylor  <iant@google.com>
25197
25198         * lower-subreg.c (simple_move_operand): New static function,
25199         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
25200         operands.
25201         (simple_move): Call simple_move_operand.
25202         (find_decomposable_subregs): Add special handling of MEMs.
25203         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
25204         meaning of return value.  If we see a hard register, test whether
25205         it can store a word_mode value.  Change all callers.
25206
25207 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
25208
25209         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
25210         ftrapv insns and expanders.
25211         (subdi3): Change define_expand operand 1 to arith11_operand, and
25212         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
25213         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
25214         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
25215         respectively.
25216
25217         PR middle-end/30174
25218         * varasm.c (notice_global_symbol): Treat global objects as weak when
25219         flag_shlib is true.
25220
25221 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25222
25223         * emit-rtl.c (dconstpi): Delete.
25224         (dconstsqrt2): New.
25225         (init_emit_once): Delete dconstpi and init dconstsqrt2.
25226         * real.h (dconstpi): Delete.
25227         (dconstsqrt2): New.
25228         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
25229         (fold_builtin_hypot): Likewise.
25230
25231 2007-02-03  Tom Tromey  <tromey@redhat.com>
25232
25233         PR driver/30246
25234         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
25235         -gcoff3, -gxcoff3, -gvms3 implies -dD.
25236
25237 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
25238
25239         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
25240         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
25241         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
25242         config/rs6000/cell.md, config/rs6000/darwin.h,
25243         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
25244         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
25245         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
25246         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
25247         typos.  Follow spelling conventions.
25248         * doc/invoke.texi: Follow spelling conventions.
25249
25250 2007-02-03  Roger Sayle  <roger@eyesopen.com>
25251
25252         * simplify-rtx.c (simplify_relational_operation_1): Implement some
25253         canonicalization transformations that attempt to simplify integer
25254         constant comparisons to become comparisons against zero.
25255
25256 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25257
25258         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
25259         fabs(x)*sqrt(2).
25260         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
25261         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
25262
25263 2007-02-02  Mike Stump  <mrs@apple.com>
25264
25265         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
25266         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
25267         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
25268         generate a branch island.
25269
25270 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
25271
25272         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
25273         (xtensa_legitimate_address_p): New.
25274         (xtensa_legitimize_address): New.
25275         (xtensa_output_addr_const_extra): New.
25276         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
25277         (BASE_REG_P): New.
25278         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
25279         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
25280         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
25281         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
25282         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
25283         (xtensa_legitimize_address): New.
25284         (xtensa_output_addr_const_extra): New.
25285
25286 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
25287
25288         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
25289
25290 2007-02-02  Ian Lance Taylor  <iant@google.com>
25291
25292         * expmed.c (expand_divmod): Add comment.
25293
25294 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
25295
25296         * emit-rtl.c (renumber_insns): Remove.
25297         * flags.h: Remove the extern for flag_renumber_insns.
25298         * rtl.h: Remove the prototype for renumber_insns.
25299         * toplev.c (flag_renumber_insns): Remove.
25300
25301 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
25302
25303         Revert for x86 darwin:
25304         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
25305
25306         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
25307         code before the following patch under TARGET_MACHO.
25308         (ix86_function_value_regno_p): Likewise.
25309
25310 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25311
25312         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
25313         COMPLEX_EXPR.
25314
25315 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
25316
25317         PR target/29682
25318         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
25319         loads to general or fp registers.  Add comments.
25320         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
25321
25322 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
25323
25324         * pointer-set.c (insert_aux): Only return insertion slot.
25325         (pointer_set_insert): Adjust.
25326         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
25327         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
25328         pointer_map_traverse): New.
25329         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
25330         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
25331         pointer_map_contains, pointer_map_traverse): Declare.
25332
25333 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
25334
25335         PR middle-end/30473
25336         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
25337         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
25338
25339 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
25340
25341         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
25342
25343         (struct _dep): New type.
25344         (dep_t): New typedef.
25345         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
25346         (DEP_STATUS): New access macro.  The macro with the same name was
25347         renamed to DEP_LINK_STATUS.
25348         (dep_init): Declare function
25349
25350         (struct _dep_link): New type.
25351         (dep_link_t): New typedef.
25352         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
25353         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
25354         (DEP_LINK_STATUS): New macro.
25355         (debug_dep_links): New debug function.
25356
25357         (struct _deps_list): New type.
25358         (deps_list_t): New typedef.
25359         (DEPS_LIST_FIRST): New access macro.
25360         (FOR_EACH_DEP_LINK): New cycle macro.
25361         (create_deps_list, free_deps_list, delete_deps_list): Declare
25362         functions.
25363         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
25364         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
25365         (copy_deps_list_change_con): Ditto.
25366
25367         (move_dep_link): Declare function.
25368
25369         (struct _dep_node): New type.
25370         (dep_node_t): New typedef.
25371         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
25372
25373         (struct haifa_insn_data.back_deps): New field to hold backward
25374         dependencies of the insn.
25375         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
25376         to deps_list_t.
25377         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
25378         Change its type to deps_list_t.
25379         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
25380         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
25381         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
25382
25383         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
25384
25385         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
25386
25387         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
25388         and all callers.
25389         (dep_cost): Declare.
25390
25391         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
25392         (ds_to_dk, dk_to_ds): New functions.
25393
25394         (init_dep_1): New static function.
25395         (init_dep): New function.
25396         (copy_dep): New static function.
25397
25398         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
25399         functions.
25400         (detach_dep_link): New static function.
25401         (move_dep_link): New function.
25402
25403         (dep_links_consistent_p, dump_dep_links): New static functions.
25404         (debug_dep_links): New debugging function.
25405
25406         (deps_obstack, dl_obstack, dn_obstack): New static variables.
25407
25408         (alloc_deps_list, init_deps_list): New static functions.
25409         (create_deps_list): New function.
25410         (clear_deps_list): New static function.
25411         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
25412         (deps_list_consistent_p, dump_deps_list): New static functions.
25413         (debug_deps_list): New function.
25414         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
25415         functions.
25416         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
25417
25418         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
25419         use new scheduler dependencies lists.
25420         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
25421         (sched_analyze): Ditto.  Initialize dependencies lists.
25422         (add_forw_dep, compute_forward_dependences): Update to use new
25423         scheduler dependencies lists.
25424
25425         (init_dependency_caches): Init deps_obstack.
25426         (free_dependency_caches): Free deps_obstack.
25427
25428         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
25429         new scheduler dependencies lists.
25430         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
25431         (add_back_forw_dep, delete_back_forw_dep): Ditto.
25432
25433         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
25434         Update to use new scheduler dependencies lists.
25435         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
25436         (debug_dependencies): Ditto.
25437         (schedule_region): Update comments.
25438
25439         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
25440         scheduler dependencies lists.
25441         (schedule_ebb): Update comments.
25442
25443         * rtl.def (DEPS_LIST): Remove.
25444
25445         * lists.c (unused_deps_list): Remove.
25446         (free_list): Update assertions.
25447
25448         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
25449         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25450
25451         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
25452         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25453
25454         * haifa-sched.c (comments): Update.
25455         (insn_cost1): Remove.  Inline the code into insn_cost ().
25456         (insn_cost): Update to use new scheduler dependencies lists.  Move
25457         processing of the dependency cost to dep_cost ().
25458         (dep_cost): New function.  Use it instead of insn_cost () when
25459         evaluating cost of the dependency.  Use compatible interface to
25460         interact with the target.
25461         (priority): Update to use new scheduler dependencies lists.
25462         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
25463         with greater number of insns that depend on the insn.
25464         (schedule_insn): Update to use new scheduler dependencies lists.  Add
25465         code to free backward dependencies lists.  Inline and optimize code
25466         from resolve_dep () - see PR28071.
25467         (ok_for_early_queue_removal): Update to use new scheduler dependencies
25468         lists.  Update call to targetm.sched.is_costly_dependence hook.
25469
25470         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
25471         scheduler dependencies lists.
25472
25473         (resolve_dep): Remove.  Move the logic to schedule_insn ().
25474         (init_h_i_d): Initialize dependencies lists.
25475
25476         (process_insn_depend_be_in_spec): Rename to
25477         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
25478         dependencies lists.
25479         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
25480         Update to use new scheduler dependencies lists.
25481         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
25482
25483         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
25484         new scheduler dependencies lists.
25485         (build_intra_loop_deps): Ditto.
25486
25487         * target.h (struct _dep): Declare to use in
25488         gcc_target.sched.is_costly_dependence.
25489         (struct gcc_target.sched.adjust_cost): Fix typo.
25490         (struct gcc_target.sched.is_costly_dependence): Change signature to
25491         use single dep_t parameter instead of an equivalent triad.
25492         (struct gcc_target.sched.adjust_cost_2): Remove.
25493
25494         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
25495
25496         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
25497
25498         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
25499         documentation.
25500         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
25501
25502         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
25503         (REG_DEP_TRUE): Document.
25504
25505         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
25506         Change signature to correspond to the targetm.sched.adjust_cost hook.
25507         Update use in TARGET_SCHED_ADJUST_COST_2.
25508         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
25509         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
25510         new scheduler dependencies lists.
25511         (ia64_gen_check): Ditto.
25512
25513         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
25514         scheduler dependencies lists.
25515
25516         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
25517         signature to correspond to the targetm.sched.is_costly_dependence hook.
25518         (is_costly_group): Update to use new scheduler dependencies lists.
25519
25520         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
25521         instead of INSN_COST () macro.
25522
25523 2007-02-01  Ian Lance Taylor  <iant@google.com>
25524
25525         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
25526
25527 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
25528
25529         * pa.md (tp_load): Correct mfctl instruction syntax.
25530
25531 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
25532
25533         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
25534         altivec_padding_size calculation on AIX.  Improve comment, add
25535         assert to verify that it's right.
25536
25537         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
25538         64-bit.
25539
25540 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
25541
25542         PR inline-asm/28686
25543         * global.c (global_alloc): Add mising initialization of
25544         ELIMINABLE_REGSET.
25545
25546 2007-02-01  Roger Sayle  <roger@eyesopen.com>
25547
25548         * alias.c (init_alias_analysis): Correct whitespace.
25549         * bb-reorder.c (fix_edges_for_rarely_executed_code,
25550         partition_hot_cold_basic_blocks): Likewise.
25551         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
25552         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
25553         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
25554         fold_builtin_snprintf_chk, fold_builtin_printf,
25555         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
25556         do_mpfr_arg3, do_mpfr_sincos): Likewise.
25557         * cfgcleanup.c (cleanup_cfg): Likewise.
25558         * cfgexpand.c (tree_expand_cfg): Likewise.
25559         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
25560         * function.c (get_next_funcdef_no): Likewise.
25561         * gengtype.c (main): Likewise.
25562         * genmodes.c (main): Likewise.
25563         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
25564         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
25565         * ifcvt.c (noce_emit_move_insn): Likewise.
25566         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
25567         Likewise.
25568         * stor-layout.c (get_best_mode): Likewise.
25569         * tree-ssa-loop-niter.c (get_val_for): Likewise.
25570         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
25571         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
25572         perform_var_substitution, solve_graph): Likewise.
25573         * tree-vrp.c (vrp_finalize): Likewise.
25574
25575 2007-02-01  Ian Lance Taylor  <iant@google.com>
25576
25577         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
25578         high part of a paradoxical subreg, return a constant zero.
25579
25580 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
25581
25582         * toplev.c (lang_dependent_init): Call init_set_costs.
25583         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
25584
25585 2007-02-01  Richard Guenther  <rguenther@suse.de>
25586
25587         PR middle-end/30656
25588         * fold-const.c (fold_negate_expr): Allow negating a
25589         constant if overflow does not change.
25590
25591 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25592
25593         * doc/c-tree.texi (Expression trees): Improve markup.
25594         * doc/tm.texi (Register Classes, Addressing Modes)
25595         (Floating Point): Fix spacing after abbreviations.  Fix some
25596         typos.
25597
25598 2007-02-01  Ben Elliston  <bje@au.ibm.com>
25599
25600         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
25601         * doc/contrib.texi: Likewise.
25602         * doc/install.texi: Likewise.
25603
25604 2007-01-31  Richard Henderson  <rth@redhat.com>
25605             Ian Lance Taylor  <iant@google.com>
25606
25607         * lower-subreg.c: New file.
25608         * rtl.def (CONCATN): Define.
25609         * passes.c (init_optimization_passes): Add pass_lower_subreg and
25610         pass_lower_subreg2.
25611         * emit-rtl.c (update_reg_offset): New static function, broken out
25612         of gen_rtx_REG_offset.
25613         (gen_rtx_REG_offset): Call update_reg_offset.
25614         (gen_reg_rtx_offset): New function.
25615         * regclass.c: Revert patch of 2006-03-05, restoring
25616         reg_scan_update.
25617         (clear_reg_info_regno): New function.
25618         * dwarf2out.c (concatn_loc_descriptor): New static function.
25619         (loc_descriptor): Handle CONCATN.
25620         * common.opt (fsplit_wide_types): New option.
25621         * opts.c (decode_options): Set flag_split_wide_types when
25622         optimizing.
25623         * timevar.def (TV_LOWER_SUBREG): Define.
25624         * rtl.h (gen_reg_rtx_offset): Declare.
25625         (reg_scan_update): Declare.
25626         * regs.h (clear_reg_info_regno): Declare.
25627         * tree-pass.h (pass_lower_subreg): Declare.
25628         (pass_lower_subreg2): Declare.
25629         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
25630         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
25631         -fsplit-wide-types.
25632         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
25633         * Makefile.in (OBJS-common): Add lower-subreg.o.
25634         (lower-subreg.o): New target.
25635
25636 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25637
25638         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
25639
25640 2007-01-31  Anatoly Sokolov <aesok@post.ru>
25641
25642         PR target/19087
25643         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
25644
25645 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25646
25647         PR middle-end/29335
25648         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
25649
25650 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
25651
25652         * cfgloop.h: Include vec-prim.h.
25653         (enum li_flags): Remove LI_ONLY_OLD.
25654         (loop_iterator): Changed.
25655         (fel_next, fel_init): Iterate over loop tree.
25656         (FOR_EACH_LOOP_BREAK): New macro.
25657         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
25658         FOR_EACH_LOOP.
25659         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
25660         * modulo-sched.c (sms_schedule): Ditto.
25661         * tree-vectorizer.c (vectorize_loops): Ditto.
25662         * doc/loop.texi: Update information on loop numbering and behavior of
25663         FOR_EACH_LOOP wrto new loops.
25664         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
25665         add_to_evolution_1): Test nestedness of loops instead of comparing
25666         their numbers.
25667         * tree-chrec.c (chrec_fold_plus_poly_poly,
25668         chrec_fold_multiply_poly_poly, chrec_evaluate,
25669         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
25670         reset_evolution_in_loop): Ditto.
25671         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
25672
25673 2007-01-31  Dirk Mueller  <dmueller@suse.de>
25674
25675         * c-common.c (warn_about_parentheses): Separate warning about
25676         un-parenthized sequence of comparison operators from the one
25677         which is supposed to warn about x <= y <= z.
25678
25679 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
25680
25681         * optabs.h (enum optab_index): Add new OTI_isinf.
25682         (isinf_optab): Define corresponding macro.
25683         * optabs.c (init_optabs): Initialize isinf_optab.
25684         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
25685         patterns.
25686         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
25687         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
25688         using isinf_optab.
25689         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
25690         expand_builtin_interclass_mathfn.
25691         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
25692         * config/i386/i386.md (UNSPEC_FXAM): New constant.
25693         (fxam<mode>2_i387): New insn pattern.
25694         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
25695         built-in functions as x87 inline asm.
25696
25697 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25698
25699         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
25700
25701 2007-01-30  Eric Christopher  <echristo@apple.com>
25702
25703         * config.gcc: Add geode.
25704
25705 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25706
25707         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
25708         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
25709         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
25710         value-prof.c: Fix comment typos.
25711
25712 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25713
25714         PR c++/24745
25715         * doc/invoke.texi (Wpointer-arith): Document warning.
25716
25717 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
25718
25719         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
25720         the list of discrepancies from the draft TR.
25721
25722 2007-01-30  Dirk Mueller  <dmueller@suse.de>
25723
25724         PR c++/30601
25725         * doc/invoke.texi (-Wreturn-type): Update description to
25726         match new behavior.
25727
25728 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
25729
25730         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
25731
25732 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
25733
25734         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
25735         to handle optabs that operate on floating point input argument and
25736         output to integer output.
25737         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
25738         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
25739         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
25740         expand_builtin_interclass_mathfn ().
25741         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
25742         (ilogbsi2): Remove.
25743         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
25744         ilogbl built-in functions as x87 intrinsics.
25745
25746 2007-01-30  Richard Guenther  <rguenther@suse.de>
25747
25748         PR middle-end/27657
25749         * dwarf2out.c (reference_to_unused): Query varpool if the
25750         variable was output.
25751
25752 2007-01-30  Richard Guenther  <rguenther@suse.de>
25753
25754         PR middle-end/30313
25755         * passes.c (execute_one_pass): Reset in_gimple_form to not
25756         confuse non-unit-at-a-time mode.
25757
25758 2007-01-29  Roger Sayle  <roger@eyesopen.com>
25759             Richard Guenther  <rguenther@suse.de>
25760
25761         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
25762         avoid undefined behaviour on overflow.  Use force_fit_type_double
25763         to construct the constant with the specified TREE_OVERFLOW.
25764
25765 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25766
25767         * config/dfp-bit.c: Add parameterized support for fp exceptions.
25768         * config/dfp-bit.h: Ditto.
25769
25770 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25771
25772         * c-decl.c (pop_scope): Replace warnings with call to
25773         warn_for_unused_label.
25774         * c-common.h (warn_for_unused_label): Declare.
25775         * c-common.c (warn_for_unused_label): Define.
25776
25777 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25778
25779         * tree-optimize.c (update_inlined_to_pointers): Delete unused
25780         function.
25781
25782 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25783
25784         * Makefile.in (USER_H): Remove decfloat.h.
25785         * ginclude/decfloat.h: Delete, moving contents to ...
25786         * ginclude/float.h: Add support for decimal floating point,
25787         guarded by __STDC_WANT_DEC_FP__.
25788
25789 2007-01-29  Mike Stump  <mrs@apple.com>
25790
25791         * doc/gccint.texi (Top): Rename Loop Representation to Loop
25792         Analysis and Representation to resolve case insensitive conflict.
25793         * doc/loop.texi (Loop Analysis and Representation): Likewise.
25794
25795 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
25796
25797         * tree.h (struct tree_memory_tag): Add aliases member.
25798         (MTAG_ALIASES): New macro.
25799         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
25800         (add_may_alias): Remove pointer-set. Update for may_aliases being
25801         a bitmap.
25802         (mark_aliases_call_clobbered): Update for may_aliases being a
25803         bitmap.
25804         (compute_tag_properties): Ditto.
25805         (create_partition_for): Ditto.
25806         (compute_memory_partitions): Ditto.
25807         (dump_may_aliases_for): Ditto.
25808         (is_aliased_with): Ditto.
25809         (add_may_alias_for_new_tag): Ditto.
25810         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
25811         (compute_is_aliased): New function.
25812         (compute_may_aliases): Call compute_is_aliased).
25813         (init_alias_info): Initialize alias_bitmap_obstack.
25814         (union_alias_set_into): New function.
25815         (compute_flow_sensitive_aliasing): Use union_aliases_into.
25816         (have_common_aliases_p): Rewrite to take two bitmaps and use
25817         intersection.
25818         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
25819         Update for bitmaps.
25820         (finalize_ref_all_pointers): Update for add_may_alias changes.
25821         (new_type_alias): Ditto.
25822         * tree-flow-inline.h (may_aliases): Return a bitmap.
25823         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
25824         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
25825         may_aliases being a bitmap.
25826         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
25827         may_aliases now returns a bitmap.
25828         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
25829         being a bitmap.
25830         * tree-ssa-operands.c (add_virtual_operand): Update for
25831         may_aliases being a bitmap.
25832
25833 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
25834
25835         PR tree-optimization/30630
25836         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
25837         variable as changed.
25838
25839 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
25840
25841         PR c++/28266
25842         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
25843         expanded only once even if an error occurs.
25844
25845 2007-01-29  Ben Elliston  <bje@au.ibm.com>
25846
25847         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
25848         (__gcov_average_profiler): Likewise.
25849         (__gcov_ior_profiler): Likewise.
25850         (__gcov_merge_ior): Likewise.
25851
25852 2007-01-28  Jan Hubicka  <jh@suse.cz>
25853
25854         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
25855         * value-prof.c (stringop_block_profile): Likewise.
25856
25857 2007-01-28  Jan Hubicka  <jh@suse.cz>
25858
25859         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
25860         Add variant handling histograms; add wrapper.
25861         (clear_storage_via_libcall): Export.
25862         (emit_block_move_hints): Break out from ...; add histograms.
25863         (emit_block_move): ... this one.
25864         (clear_storage_hints): Break out from ...; add histograms.
25865         (clear_storage): ... this one.
25866         (set_storage_via_memset): Handle histogram.
25867         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
25868         (clear_storage_hints, clear_storage_via_libcall): Declare.
25869         (set_storage_via_setmem): Update prototype.
25870         * doc/md.texi (movmem, setmem): Document new arguments.
25871
25872         * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
25873         Add new histograms.
25874         (stringop_block_profile): New global function.
25875         (tree_stringops_values_to_profile): Profile block size and alignment.
25876         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
25877         HIST_TYPE_IOR.
25878         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
25879         (stringop_block_profile): Declare.
25880         * builtins.c: Include value-prof.h.
25881         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
25882         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
25883         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
25884         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
25885         * profile.c (instrument_values): Add new counters.
25886         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
25887         calls.
25888         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
25889         (tree_init_edge_profiler): Build new profilers.
25890         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
25891         (pass_tree_profile): Add dump.
25892         (tree_profile_hooks): Update.
25893         * Makefile.in (LIBGCOV): Add new constants.
25894         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
25895         __gcov_ior_profiler): New.
25896         * i386.md (movmem/setmem expanders): Add new optional arguments.
25897
25898 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
25899
25900         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
25901
25902 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25903
25904         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
25905         (tree_unswitch_single_loop): Pass eni_size_weights to
25906         tree_num_loop_insns.
25907         * tree-ssa-loop-manip.c: Include tree-inline.h.
25908         (can_unroll_loop_p): Pass eni_size_weights to
25909         tree_num_loop_insns.
25910         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
25911         Pass eni_size_weights to estimate_num_insns.
25912         * tree.h (init_inline_once): Export.
25913         * toplev.c (backend_init): Call init_inline_once.
25914         * cgraphunit.c (cgraph_process_new_functions,
25915         cgraph_analyze_function): Pass eni_inlining_weights to
25916         estimate_num_insns.
25917         * ipa-inline.c (compute_inline_parameters): Ditto.
25918         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
25919         to estimate_num_insns.
25920         (try_unroll_loop_completely): Pass eni_size_weights to
25921         tree_num_loop_insns.
25922         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
25923         ot estimate_num_insns.
25924         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
25925         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
25926         * tree-inline.c (eni_inlining_weights, eni_size_weights,
25927         eni_time_weights): New variables.
25928         (init_inline_once): Initialize them.
25929         (struct eni_data): Mew.
25930         (estimate_num_insns_1, estimate_num_insns): Use weights.
25931         * tree-inline.h (struct eni_weights_d): New.
25932         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
25933         (estimate_num_insns): Declaration changed.
25934         * cfgloop.h (tree_num_loop_insns): Declaration changed.
25935         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
25936         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
25937
25938 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25939
25940         * tree-data-ref.c (conflict_fn): Assert that the number of affine
25941         relations in the conflict function is valid.
25942
25943 2007-01-27  Ian Lance Taylor  <iant@google.com>
25944
25945         * common.opt: Add fstrict-overflow.
25946         * opts.c (decode_options): Set flag_strict_overflow if -O2.
25947         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
25948         (TYPE_OVERFLOW_UNDEFINED): Define.
25949         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
25950         Replace all uses.
25951         * tree.h (TYPE_TRAP_SIGNED): Don't define.
25952         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
25953         (fold_negate_expr): Likewise.
25954         (make_range): Likewise.
25955         (extract_muldiv_1): Likewise.
25956         (maybe_canonicalize_comparison): Likewise.
25957         (fold_comparison): Likewise.
25958         (fold_binary): Likewise.
25959         (tree_expr_nonnegative_p): Likewise.
25960         (tree_expr_nonzero_p): Likewise.
25961         * tree-vrp.c (compare_values): Likewise.
25962         (extract_range_from_binary_expr): Likewise.
25963         (extract_range_from_unary_expr): Likewise.
25964         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
25965         Likewise.
25966         (nowrap_type_p): Likewise.
25967         * tree-scalar-evolution.c (simple_iv): Likewise.
25968         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
25969         (build_range_check): Likewise.
25970         (extract_muldiv_1): Likewise.
25971         (fold_comparison): Likewise.
25972         * tree-vrp.c (vrp_int_const_binop): Likewise.
25973         (extract_range_from_unary_expr): Likewise.
25974         * convert.c (convert_to_integer): Likewise.
25975         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
25976         (fold_comparison): Likewise.
25977         (fold_binary): Likewise.
25978         * optabs.c (optab_for_tree_code): Likewise.
25979         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
25980         * simplify-rtx.c (simplify_const_relational_operation): Check
25981         flag_strict_overflow and flag_trapv.
25982         (simplify_const_relational_operation): Likewise.
25983         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
25984         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
25985         -fstrict-overflow.
25986
25987 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25988
25989         * tree.c (tree_fold_gcd): Delete.
25990         * tree.h (tree_fold_gcd): Remove prototype.
25991         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
25992         test whether one constant integer is a multiple of another.  Instead
25993         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
25994         * fold-const.c (multiple_of_p): We've determined both TOP and
25995         BOTTOM are integer constants so we can call int_const_binop directly
25996         instead of the more generic const_binop.
25997
25998 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25999
26000         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
26001         1*X check that the constant hasn't overflowed, to preserve the
26002         TREE_OVERFLOW bit.
26003         (round_up): Provide an efficient implementation when rouding-up an
26004         INTEGER_CST to a power-of-two.
26005
26006 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
26007
26008         * doc/sourcebuild.texi: Add comma for clarity.
26009         * doc/extend.texi: Fix some typos.
26010         * doc/passes.texi: Likewise.
26011         * doc/cppinternals.texi: Likewise.
26012         * doc/c-tree.texi: Likewise.
26013         * doc/tree-ssa.texi: Likewise.
26014         * doc/install.texi: Likewise.
26015
26016 2007-01-27  Jan Hubicka  <jh@suse.cz>
26017
26018         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
26019         (pass_sra): Do not require alias information.
26020         * passes.c (init_optimization_passes): Add SRA
26021
26022 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
26023
26024         * tracer.c (rest_of_handle_tracer): We already cleaned
26025         up the CFG in tracer() so don't do it here again.
26026         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
26027         cleanup_cfg here, either.  And don't call renumber_insns.
26028
26029         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
26030         and BB_HEAD are in the insn stream here.  Instead make sure
26031         that BB_INSN is valid on all insns.  Also, do check here that
26032         there are no pending branch predictions...
26033         (rtl_verify_flow_info): ...instead of doing it here.  Checks
26034         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
26035         here.
26036
26037 2007-01-26  Roger Sayle  <roger@eyesopen.com>
26038
26039         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
26040         function to simplify/factorize operand order canonicalization.
26041         (ix86_fixup_binary_operands): Reorganize using the above function.
26042         (ix86_binary_operator_ok): Likewise.
26043
26044 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
26045
26046         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
26047         file scope from optimize_attrs.
26048         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
26049         up search.
26050         (optimize_attrs): Clear insn_code_values after freeing it.
26051
26052 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
26053
26054         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
26055         a parts.base assignment.
26056
26057 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
26058
26059         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
26060         (compute_subscript_distance, initialize_data_dependence_relation,
26061         finalize_ddr_dependent, analyze_ziv_subscript,
26062         analyze_siv_subscript_cst_affine,
26063         compute_overlap_steps_for_affine_univar,
26064         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
26065         analyze_siv_subscript, analyze_miv_subscript,
26066         analyze_overlapping_iterations, subscript_dependence_tester_1,
26067         compute_self_dependence, free_dependence_relation): Work
26068         with affine_fn instead of chrecs.
26069         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
26070         common_affine_function, affine_function_base,
26071         affine_function_constant_p, affine_fn_op, affine_fn_plus,
26072         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
26073         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
26074         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
26075         (all_chrecs_equal_p): Removed.
26076         * tree-data-ref.h (affine_fn, conflict_function): New types.
26077         (struct subscript): Change type of conflicting_iterations_in_a
26078         and conflicting_iterations_in_b.
26079
26080 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
26081
26082         PR other/30182
26083         * config/pa/pa.h (TARGET_HPUX_11): New.
26084         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
26085         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
26086
26087 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
26088         Richard Guenther  <rguenther@suse.de>
26089
26090         * tree-ssa-structalias.c (solve_graph): Handle case
26091         we merged the variable to another.
26092
26093 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26094
26095         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
26096         functions.
26097
26098         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
26099         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
26100
26101 2007-01-25  DJ Delorie  <dj@redhat.com>
26102
26103         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
26104         allow changes to modes which don't fit in those registers.
26105
26106         * reload1.c (choose_reload_regs): Check for invalid subregs before
26107         computing their locations, not after.
26108
26109 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
26110
26111         PR 25127
26112         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
26113         save Altivec registers in an eh_return function.
26114         (compute_vrsave_mask): Likewise.
26115         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
26116         for saving Altivec registers.
26117         (rs6000_emit_prologue): Don't allocate stack twice in
26118         eh_return function.  Correct expected value of altivec_save_offset
26119         when using save_world.  Describe save of R0 to stack when using
26120         save_world.  Describe stack pointer adjustment when using
26121         save_world.  Remove duplicated eh_return parameter register saving.
26122         Update sp_offset variable after save_world.
26123         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
26124         darwin-world.asm.
26125         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
26126         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
26127         implies Altivec.
26128
26129 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
26130
26131         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
26132
26133 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
26134
26135         PR other/30182
26136         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
26137         * config/ia64/ia64.c (ia64_init_builtins): Ditto.
26138
26139 2007-01-25  Richard Guenther  <rguenther@suse.de>
26140
26141         * doc/invoke.texi (-Wcoverage-mismatch): Document.
26142         * common.opt (-Wcoverage-mismatch): New warning option.
26143         * coverage.c (get_coverage_counts): Ignore coverage mismatch
26144         if -Wcoverage-mismatch is given.
26145
26146 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
26147
26148         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
26149         (ipcp_driver): Change to static definition.
26150         Add dumping of the ifunctions.
26151         (constant_val_insert): Remove unused parameter. Support for SSA.
26152         (ipcp_propagate_const): Support for SSA.
26153         (ipcp_profile_bb_print): Print only analyzed nodes.
26154         (ipcp_replace_map_create): Remove support for Fortran constant
26155         for now.
26156         * ipa-prop.c (ipa_method_modify_stmt,
26157         ipa_callsite_compute_param): Support for SSA.
26158         * ipa-prop.h (ipcp_driver): Remove declaration.
26159         (IS_VALID_TREE_MAP_INDEX): Add define.
26160
26161 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
26162
26163         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
26164
26165 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26166
26167         PR middle-end/30447
26168         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
26169         constant argument to cabs and do it without checking for
26170         -funsafe-math-optimizations.
26171
26172 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
26173
26174         * c-common.h (RID_FIRST_CXX0X): New.
26175         (RID_LAST_CXX0X): New.
26176         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
26177         by -Wall.
26178         * c.opt (Wc++0x-compat): New.
26179         * doc/invoke.texi (-Wc++0x-compat): Document.
26180
26181 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26182
26183         * builtins.c (fold_builtin_carg): New.
26184         (fold_builtin_1): Use it.
26185
26186 2007-01-24  Jan Hubicka  <jh@suse.cz>
26187
26188         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
26189
26190         * ipa-inline.c (initial_insns, max_insns): Delete.
26191         (compute_max_insns): New function.
26192         (cgraph_decide_inlining_of_small_function): Use it; take minimal
26193         amount of insns as base for code growth.
26194         (cgraph_decide_inlining): Make initial_insns local; do not compute
26195         max_insns.
26196         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
26197         * doc/invoke.texi (inline-unit-growth): Update docs.
26198
26199 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
26200
26201         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
26202         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
26203         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
26204         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
26205         for CPUs that have PTA_CX16 set.
26206
26207         PR middle-end/27416
26208         * gimplify.c (omp_check_private): New function.
26209         (gimplify_scan_omp_clauses): Use it for
26210         firstprivate/lastprivate/reduction.
26211
26212         PR middle-end/30494
26213         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
26214         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
26215
26216         PR middle-end/30421
26217         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
26218         If lower_lastprivate_clauses emits some statements, append them
26219         to dlist rather than body_p and to body_p append an initializer.
26220         (lower_omp_for): Adjust caller.
26221
26222 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
26223
26224         * target.h (globalize_decl_name): New.
26225         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
26226         * output.h (default_globalize_decl_name): New.
26227         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
26228         globalize_label.
26229         (globalize_decl): Ditto.
26230         (default_globalize_decl_name): New.
26231         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
26232         (ia64_handle_version_id_attribute): New.
26233         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
26234         (ia64_asm_output_external): Use globalize_decl_name instead
26235         of globalize_label.
26236         * doc/extend.texi (version_id): New pragma.
26237         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
26238
26239 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
26240
26241         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
26242         _uleb128_t and _Unwind_SWord with _sleb128_t.
26243         * unwind-dw2.c (extract_cie_info, execute_stack_op,
26244         execute_cfa_program, uw_frame_state_for, uw_update_context_1):
26245         Likewise.
26246         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
26247         * unwind-pe.h (read_uleb128, read_sleb128,
26248         read_encoded_value_with_base): Likewise.
26249         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
26250
26251 2007-01-24  Richard Guenther  <rguenther@suse.de>
26252
26253         * builtins.c (expand_builtin_cexpi): Get the fndecl
26254         for cexp in the correct way.
26255
26256 2007-01-24  Jan Hubicka  <jh@suse.cz>
26257
26258         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
26259         of calls.
26260
26261 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
26262
26263         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
26264         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
26265         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
26266         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
26267         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
26268         __SIZEOF_PTRDIFF_T__.
26269         * doc/cpp.texi: Documentation for the new builtin macros added.
26270
26271 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
26272
26273         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
26274         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
26275         instead of operands[2] to avoid access past the end of array.
26276
26277 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
26278
26279         * reload1.c (emit_reload_insns): Pass the reload register
26280         for a non-spill output reload through forget_old_reloads_1.
26281
26282 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
26283
26284         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
26285         _SOFT_DOUBLE if doubles use software floating-point.
26286         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
26287         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
26288         * config/rs6000/darwin-ldouble.c: Also compile functions for
26289         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
26290         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
26291         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
26292         commented-out long double override.
26293         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
26294         * config/rs6000/eabispe.h: Likewise.
26295         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
26296         long double for non-SPE.
26297         (rs6000_handle_option): Likewise.
26298         (invalid_e500_subreg): Disallow more subregs involding DImode,
26299         DFmode, TImode or TFmode.
26300         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
26301         E500 double.
26302         (legitimate_lo_sum_address_p): Also check for TFmode for E500
26303         double.
26304         (rs6000_legitimize_address): Also handle TFmode for E500 double.
26305         (rs6000_legitimize_reload_address): Also handle TFmode for E500
26306         double.
26307         (rs6000_legitimate_address): Also check for TFmode for E500
26308         double.
26309         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
26310         (spe_build_register_parallel): Handle TFmode and TCmode.
26311         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
26312         double.
26313         (function_arg): Handle TFmode and TCmode for E500 double.
26314         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
26315         in general.
26316         (print_operand): Handle TFmode and TImode for %y.
26317         (rs6000_generate_compare): Handle TFmode comparisons for E500
26318         double.
26319         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
26320         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
26321         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
26322         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
26323         TFmode for E500 double.
26324         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
26325         (floatsidf2): Enable for E500 double.
26326         (movtf_softfloat): Use rs6000_nonimmediate_operand.
26327         (extenddftf2): Change to extenddftf2_fprs.
26328         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
26329         depending on TARGET_E500_DOUBLE.
26330         (extendsftf2): Enable for E500 double.
26331         (trunctfdf2): Enable for E500 double.
26332         (trunctfsf2): Change to trunctfsf2_fprs.
26333         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
26334         depending on TARGET_E500_DOUBLE.
26335         (floatsitf2): Enable for E500 double.
26336         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
26337         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
26338         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
26339         (negtf2): Change to negtf2_internal.
26340         (negtf2): New expander.
26341         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
26342         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
26343         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
26344         (movdi_internal32): Use rs6000_nonimmediate_operand.
26345         (unnamed splitter): Likewise.
26346         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
26347         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
26348         (SPE64TF, DITI): New mode macros.
26349         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
26350         modes.
26351         (frob_tf_ti): New.
26352         (frob_<mode>_di_2): New.
26353         (frob_tf_di_8_2): New.
26354         (frob_di_df): Change to frob_di_<mode>; allow more modes.
26355         (frob_ti_tf): New.
26356         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
26357         more modes.
26358         (frob_ti_<mode>_8_2): New.
26359         (frob_ti_tf_2): New.
26360         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
26361         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
26362         TFmode.
26363         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
26364         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
26365         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
26366         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
26367         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
26368         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
26369         tsttflt_gp): New.
26370
26371 2007-01-23  Ian Lance Taylor  <iant@google.com>
26372
26373         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
26374         insn-*.o first.
26375         (OBJS-archive): Reformat, alphabetize.
26376         (OBJS): Change out_object_file to OBJS-md.
26377
26378 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
26379
26380         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
26381         JUMP_P and CALL_P predicates where applicable.
26382         * config/i386/i386.c: Ditto.
26383         * config/i386/i386.md: Ditto.
26384         * config/i386/mmx.md: Ditto.
26385         * config/i386/predicates.md: Ditto.
26386
26387 2007-01-22  Andreas Schwab  <schwab@suse.de>
26388
26389         * config/m68k/m68k.h: Fix comment.
26390
26391 2007-01-22  Jan Hubicka  <jh@suse.cz>
26392
26393         * passes.c (init_optimization_passes): Do not rerun
26394         pass_early_warn_uninitialized.
26395
26396 2007-01-22  Richard Guenther  <rguenther@suse.de>
26397
26398         PR tree-optimization/30038
26399         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
26400         function.
26401         (execute_cse_sincos_1): Likewise.
26402         (execute_cse_sincos): Likewise.
26403         (gate_cse_sincos): Likewise.
26404         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
26405         the cexpi() canonicalization of sincos().
26406         * tree-pass.h (pass_cse_sincos): Declare.
26407         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
26408
26409 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
26410
26411         PR rtl-optimization/29329
26412         * combine.c (replaced_rhs_insn): Rename to i2mod.
26413         (replaced_rhs_value): Rename to i2mod_new_rhs.
26414         (i2mod_old_rhs): New global variable.
26415         (combine_instructions): Adjust for above change.  Save a copy of
26416         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
26417         note are substituted in the second instruction.
26418         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
26419         ditch the note if it pertains to the second eliminated register
26420         and this register is mentioned in i2mod_old_rhs.
26421
26422         Revert:
26423         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
26424
26425         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
26426         the insn to which the note was originally attached.
26427
26428 2007-01-21  Jan Hubicka  <jh@suse.cz>
26429
26430         * ipa-inline.c (inlining_mode): Comment, move up.
26431         (cgraph_decide_inlining_incrementally): Do not perform inlining
26432         itself; fix handling of flattening of self recursive functions.
26433         (cgraph_find_cycles): Remove.
26434         (cgraph_flatten_node): Remove.
26435         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
26436         (try_inline): New function.
26437         (cgraph_early_inlining): Update call of
26438         cgraph_decide_inlining_incrementally.  Apply inlining here.
26439         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
26440
26441 2007-01-21  Dirk Mueller  <dmueller@suse.de>
26442
26443         PR bootstrap/30511
26444         * tree-vrp.c (check_array_bounds): do not warn
26445         about ADDR_EXPR's of ARRAY_REF's which are immediately
26446         used in binary expressions.
26447
26448 2007-01-21  Ira Rosen  <irar@il.ibm.com>
26449
26450         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
26451         read_write_dep and macros for its access.
26452         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
26453         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
26454         argument, call vect_check_interleaving for every independent pair of
26455         data-refs. Mark loads that access the same memory location as a store
26456         in the loop.
26457         (vect_check_dependences): Remove.
26458         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
26459         call, fix the call to vect_analyze_data_ref_dependence.
26460         (vect_analyze_data_ref_access): For statements that access the same
26461         data-ref, check that they are not stores; for loads, check that there
26462         is no store that access the same location.
26463
26464 2007-01-20  Roger Sayle  <roger@eyesopen.com>
26465             Joseph Myers  <joseph@codesourcery.com>
26466
26467         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
26468         (-fdump-rtl-stack): Likewise.
26469         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
26470         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
26471         (-mpt-fixed): Use @minus{} for minus sign.
26472         (Using Precompiled Headers): Fix under/overfull hbox.
26473
26474 2007-01-20  Jan Hubicka  <jh@suse.cz>
26475
26476         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
26477         place within annotation.
26478
26479 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
26480
26481         * pa.c (output_move_double): Change array size of xoperands to 4.
26482
26483 2007-01-20  Jan Hubicka  <jh@suse.cz>
26484
26485         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
26486         as temporary.
26487
26488 2007-01-19  Ian Lance Taylor  <iant@google.com>
26489
26490         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
26491         constant to unsigned HOST_WIDE_INT before negating.
26492
26493 2007-01-19  Ian Lance Taylor  <iant@google.com>
26494
26495         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
26496         to unsigned.
26497         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
26498         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26499         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
26500         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
26501         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26502         (realloc_vdef, realloc_vuse): Change second parameter to
26503         unsigned.
26504         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
26505         fields to unsigned.
26506         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
26507         unsigned. Change x and lim locals to unsigned.
26508         (realloc_vdef, realloc_vuse): Change num_elem parameter to
26509         unsigned.
26510         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
26511         (copy_virtual_operands): Change i and n locals to unsigned.
26512
26513 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26514
26515         PR middle-end/29335
26516         * builtins.c (fold_builtin_1): Handle builtin fdim.
26517
26518 2007-01-20  Jan Hubicka  <jh@suse.cz>
26519
26520         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
26521         * tree-ssa-structalias.c (compute_points_to_sets): Do call
26522         init_alias_heapvars.
26523         (init_alias_heapvars): Initialize only when not already initialized.
26524         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
26525
26526 2007-01-19  Roger Sayle  <roger@eyesopen.com>
26527
26528         * common.opt (fsigned-zeros): New command line option.
26529         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
26530         of flag_unsafe_math_optimizations.
26531         * opts.c (set_fast_math_flags): The -ffast-math command line option
26532         implies -fno-signed-zeros.
26533         (fast_math_flags_set_p): Likewise.
26534
26535         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
26536         the documentation of -ffast-math appropriately.  Wrap long lines.
26537
26538 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
26539
26540         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
26541         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
26542
26543 2007-01-19  Tomas Bily  <tbily@suse.cz>
26544
26545         * cgraphunit.c (cgraph_finalize_function): Updating of pid
26546         * tree-profile.c:
26547         (tree_init_ic_make_global_vars): New function
26548         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
26549         (tree_gen_ic_profiler): New function
26550         (tree_gen_ic_func_profiler): New function
26551         (tree_profiling): Added calling of tree_gen_ic_func_profiler
26552         (tree_profile_hooks): Added hook for indirec/virtual calls
26553         * value-prof.c (tree_find_values_to_profile): New case for
26554         indirect calls
26555         (tree_values_to_profile): Call for determining indirect/virtual
26556         counters
26557         (tree_indirect_call_to_profile): New function
26558         (tree_ic_transform): New function
26559         (tree_ic): New function
26560         (find_func_by_pid): New function
26561         (init_pid_map): New function
26562         (tree_value_profile_transformations): Added check for
26563         indirect/virtual call transformation
26564         * value-prof.h (enum hist_type): New counter type for
26565         indirect/virtual calls
26566         (profile_hooks): Added new hook for profiling indirect/virtual
26567         calls
26568         * profile.c (instrument_values): New case for indirect/virtual
26569         call added
26570         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
26571         (GCOV_COUNTER_V_INDIR): New counter type
26572         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
26573         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
26574         call added
26575         * cgraph.c: Definition of cgraph_max_pid
26576         (cgraph_create_node): Default init of pid attribute
26577         * cgraph.h: Declaration of cgraph_max_pid
26578         (struct cgraph_node): Added pid attribute
26579         * libgcov.c (__gcov_indirect_call_profiler): New function
26580         (__gcov_one_value_profiler_body): New function
26581         (__gcov_one_value_profiler): Body was moved to
26582         __gcov_one_value_profiler_body and calls it
26583
26584 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
26585
26586         * doc/gty.texi (Options): Document the mark_hook option to GTY.
26587         * gengtype.c (write_types_data, write_func_for_structure,
26588         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
26589         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
26590         (walk_type, write_func_for_structure): Generate the mark_hook if
26591         needed.
26592
26593 2007-01-19  Jan Hubicka  <jh@suse.cz>
26594
26595         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
26596         'early' argument take inlining mode argument specifying whether to
26597         inline for size/speeed or all functions; add support for flattening;
26598         improve dumpting.
26599         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
26600
26601 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26602
26603         PR c++/17947
26604         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
26605         the name of the declared identifier.
26606
26607 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26608
26609         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
26610         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
26611         duplicate evaluation.
26612
26613 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26614
26615         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
26616         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
26617         to XFMode, use acosxf2 and truncate result to requested mode.
26618         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
26619         (asin<mode>2): Similarly, with asin expanders.
26620         (*fscalexf4_i387): Rename from *fscalexf4.
26621         (expNcorexf3): New expander.
26622         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
26623         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
26624         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
26625         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
26626         patterns for SSE math.
26627         (exp10<mode>2): Similarly, with exp10 expanders.
26628         (exp2<mode>2): Similarly, with exp2 expanders.
26629         (expm1<mode>2): Similarly, with expm1 expanders.
26630         (ldexp<mode>3): Similarly, with ldexp expanders.
26631         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
26632         Use gen_truncxf<mode>2_i387_noop to truncate result.
26633
26634 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26635
26636         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
26637         for ColdFire targets.
26638
26639 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
26640             Richard Sandiford  <richard@codesourcery.com>
26641
26642         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
26643         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
26644         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
26645         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
26646         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26647         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26648
26649 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26650
26651         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
26652         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
26653         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
26654         (*adddi_dilshr32_cf): New pattern.
26655         (adddi3, subdi3): Remove first alternatives.
26656
26657 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26658
26659         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
26660         implemented using move.l, do not use its cc result for floating-point
26661         comparisons.
26662
26663 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26664
26665         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
26666         from accepting 's' constraints if flag_pic.
26667
26668 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26669
26670         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
26671         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
26672         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
26673         condition from TARGET_68881 to TARGET_HARD_FLOAT.
26674
26675 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
26676
26677         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
26678         ColdFire alternatives.
26679         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
26680         * config/m68k/m68k.md (clzsi2): Define for ColdFire
26681         architectures that support ff1 instruction.
26682
26683 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26684             Julian Brown  <julian@codesourcery.com>
26685
26686         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
26687         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
26688         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
26689         Add commentary.
26690
26691 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26692
26693         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
26694         and return a bool.
26695         (output_move_const_into_data_reg, output_move_simode_const): Delete.
26696         * config/m68k/m68k.c (const_method, const_int_cost): Take a
26697         HOST_WIDE_INT instead of an rtx.
26698         (m68k_rtx_costs): Update call accordingly.
26699         (output_move_const_into_data_reg): Likewise.  Fix formatting.
26700         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
26701         Return a bool.
26702         (output_move_simode_const): Update calls after above changes.
26703         Rework to use automatic variables and predicates like MEM_P.
26704         * config/m68k/m68k.md (pushexthisi_const): Update call to
26705         valid_mov3q_const.
26706
26707 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26708
26709         * tree-ssa-alias.c (perform_var_substitution): Fix typo
26710         in dump_flags test.
26711
26712 2007-01-19  Richard Guenther  <rguenther@suse.de>
26713
26714         * builtins.c (expand_builtin_cexpi): Fall back to expanding
26715         via cexp in case sincos is not available.
26716
26717 2007-01-19  Richard Guenther  <rguenther@suse.de>
26718
26719         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
26720         * defaults.h (TARGET_HAS_SINCOS): Default to off.
26721         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
26722         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
26723         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
26724         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
26725         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
26726         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
26727
26728 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26729
26730         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
26731         New insn patterns.
26732         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
26733         (atan2xf3): Directly generate RTL pattern.
26734         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
26735         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26736         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26737         disable patterns for SSE math.
26738         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
26739         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26740         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26741         disable patterns for SSE math.
26742
26743 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
26744
26745         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
26746
26747 2007-01-18  Roger Sayle  <roger@eyesopen.com>
26748
26749         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
26750         VIEW_CONVERT_EXPR to the same type as it's operand.
26751
26752 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
26753
26754         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
26755         configured for long double 128.
26756
26757 2007-01-18  Mike Stump  <mrs@apple.com>
26758
26759         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
26760         error.
26761
26762 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
26763
26764         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
26765         type correct.
26766
26767 2007-01-18  Jan Hubicka  <jh@suse.cz>
26768
26769         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
26770         greater than NUM_VOP_FREE_BUCKETS.
26771
26772 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
26773
26774         * tree-ssa-structalias.c: Update comments.
26775         (ptabitmap_obstack): Removed.
26776         (pta_obstack): New.
26777         (oldpta_obstack): Ditto.
26778         (stats): Add a few members.
26779         (struct variable_info): Remove node, complex, address_taken, and
26780         indirect_target members. Add oldsolution member.
26781         (new_var_info): Do not initialize removed members.
26782         (constraint_expr_type): Remove INCLUDES.
26783         (constraint_graph): Add size, implicit_preds, rep,
26784         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
26785         (FIRST_REF_NODE): New macro.
26786         (LAST_REF_NODE): Ditto.
26787         (FIRST_ADDR_NODE): Ditto.
26788         (find): New function.
26789         (unite): Ditto.
26790         (dump_constraint): Do not handle INCLUDES.
26791         (insert_into_complex): Do not insert duplicate constraints.
26792         (condense_varmap_nodes): Renamed and rewritten into ...
26793         (merge_node_constraints): This. Also fix bug in handling of
26794         offseted copy constraints.
26795         (clear_edges_for_node): No longer need to deal with preds at all,
26796         or removing associated preds/succs.
26797         (merge_graph_nodes): Deal with indirect_cycles.
26798         Don't deal with predecessors.
26799         (add_implicit_graph_edge): New function.
26800         (add_pred_graph_edge): Ditto.
26801         (add_graph_edge): Don't deal with predecessors.
26802         (build_constraint_graph): Removed.
26803         (build_pred_graph): New function.
26804         (build_succ_graph): Ditto.
26805         (struct scc_info): Removed in_component. Added roots, dfs, and
26806         node_mapping. Remove visited_index, unification_queue.
26807         (scc_visit): Deal with union-find we do now.
26808         Deal with cycles with REF nodes.
26809         (collapse_nodes): Renamed and rewritten to ...
26810         (unify_nodes): This.
26811         (process_unification_queue): Removed.
26812         (topo_visit): Cleanup
26813         (do_da_constraint): Use find.
26814         (do_sd_constraint): Ditto.
26815         (do_ds_constraint): Ditto.
26816         (do_complex_constraint): Ditto.
26817         (init_scc_info): Update for removed and added members.
26818         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
26819         (find_indirect_cycles): This.
26820         (equivalence_class): New variable.
26821         (label_visit): New function.
26822         (perform_variable_substitution): Rewritten.
26823         (free_var_substitution_info): New function.
26824         (find_equivalent_node): Ditto.
26825         (move_complex_constraints): Ditto.
26826         (eliminate_indirect_cycles): Ditto.
26827         (solve_graph): Only propagate changed bits.
26828         Use indirect cycle elimination.
26829         Use find.
26830         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
26831         (tree_id_eq): Renamed to ...
26832         (tree_vi_eq): This. Update for member change
26833         (insert_id_for_tree): Renamed and rewritten to ...
26834         (insert_vi_for_tree): This.
26835         (lookup_id_for_tree): Renamed and rewritten to ...
26836         (lookup_vi_for_tree): This.
26837         (get_id_for_tree): Renamed and rewritten to ...
26838         (get_vi_for_tree): Ditto.
26839         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
26840         (process_constraint): Don't handle INCLUDES.
26841         Remove special ADDRESSOF case.
26842         (find_func_aliases): Rewrite to use vi functions instead of id
26843         ones.
26844         (create_function_info_for): Ditto.
26845         (create_variable_info_for): Ditto.
26846         (intra_create_variable_infos): Ditto.
26847         (merge_smts_into): Ditto.
26848         (find_what_p_points_to): Ditto.
26849         (init_base_vars): Ditto.
26850         (init_alias_vars): Ditto.
26851         (remove_preds_and_fake_succs): New function.
26852         (dump_sa_points_to_info): Dump new stats.
26853         (dump_solution_for_var): Use find.
26854         (set_used_smts): Fix formatting.
26855         (compute_points_to_sets): Updated for new functions.
26856         (ipa_pta_execute): Ditto.
26857
26858 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26859             Richard Sandiford  <richard@codesourcery.com>
26860
26861         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
26862         parallels.
26863         * calls.c (expand_call): If the return value is a PARALLEL,
26864         extract its first member.
26865         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
26866         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26867         use FUNCTION_EXTRA_EPILOGUE.
26868         (m68k_function_value): Return a PARALLEL if the return value
26869         is of a pointer type.
26870         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
26871         (FUNCTION_EXTRA_EPILOGUE): Remove.
26872         * config/m68k/m68k.md (D0_REG): New constant.
26873
26874 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26875
26876         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26877         output a NOP for empty epilogues.
26878
26879 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26880
26881         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
26882         before function.  Extend register save check to include all
26883         registers, not just integer ones.
26884
26885 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26886
26887         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
26888         (m68k_use_return_insn): ...this.
26889         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
26890         * config/m68k/m68k.c (use_return_insn): Rename to...
26891         (m68k_use_return_insn): ...this.
26892         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
26893         of USE_RETURN_INSN.
26894
26895 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26896
26897         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
26898         nearest even, fix denormal rounding overflow.
26899
26900 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26901
26902         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
26903         f%$smove and f%$move.
26904         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
26905         (extendsfdf2_cf): Use fdmove instead of f%&move.
26906         (truncdfsf2_cf): Use fsmove instead of f%$smove.
26907         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
26908
26909 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26910
26911         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
26912         GPR<-GPR moves.
26913
26914 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26915
26916         * real.h (real_format): Add a canonical_nan_lsbs_set field.
26917         (coldfire_single_format): Declare.
26918         (coldfire_double_format): Likewise.
26919         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
26920         of qnan_msb_set to determine the lower bits of a canonical
26921         NaN significand.
26922         (encode_ieee_double): Likewise.
26923         (encode_ieee_quad): Likewise.
26924         (ieee_single_format): Initialize canonical_nan_lsbs_set.
26925         (mips_single_format): Likewise.
26926         (ieee_double_format): Likewise.
26927         (mips_double_format): Likewise.
26928         (ieee_extended_motorola_format): Likewise.
26929         (ieee_extended_intel_96_format): Likewise.
26930         (ieee_extended_intel_128_format): Likewise.
26931         (ieee_extended_intel_96_round_53_format): Likewise.
26932         (ibm_extended_format): Likewise.
26933         (mips_extended_format): Likewise.
26934         (ieee_quad_format): Likewise.
26935         (mips_quad_format): Likewise.
26936         (vax_f_format): Likewise.
26937         (vax_d_format): Likewise.
26938         (vax_g_format): Likewise.
26939         (i370_single_format): Likewise.
26940         (i370_double_format): Likewise.
26941         (decimal_single_format): Likewise.
26942         (decimal_double_format): Likewise.
26943         (decimal_quad_format): Likewise.
26944         (c4x_single_format): Likewise.
26945         (c4x_extended_format): Likewise.
26946         (real_internal_format): Likewise.
26947         (coldfire_single_format): New real_format.
26948         (coldfire_double_format): Likewise.
26949         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
26950         canonical_nan_lsbs_set.
26951         (pdp11_d_format): Likewise.
26952         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
26953         if TARGET_COLDFIRE_CPU.
26954
26955 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26956
26957         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
26958         (output_call, m68k_legitimize_call_address): Declare.
26959         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
26960         parenthesees.  Add support for a 'W' constraint.
26961         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
26962         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
26963         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
26964         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
26965         variables.
26966         (override_options): Initialize them.  Do not set flag_no_function_cse
26967         for TARGET_ID_SHARED_LIBRARY.
26968         (m68k_output_pic_call): Delete.
26969         (m68k_legitimize_call_address): New function.
26970         (print_operand): Remove the %o prefix.  Handle the %p prefix.
26971         (output_call): New function.
26972         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
26973         target address from the GOT if symbolic jumps are not allowed.
26974         * config/m68k/m68k.md (call, general_operand): Do not set
26975         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
26976         Merge separate flag_pic and !flag_pic define_insns into...
26977         (*call, *call_value): ...these new patterns.  Match the address
26978         rather than the containing MEM and require it to be a call_operand.
26979         Use output_call to generate the asm template.
26980         * config/m68k/predicates.md (const_call_operand): New predicate.
26981         (call_operand): Likewise.
26982
26983 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26984
26985         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
26986         (STACK_GROWS_DOWNWARD): Define to 1.
26987         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
26988         comments, emphasizing that these values are only defaults.
26989         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
26990         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
26991
26992 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26993
26994         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
26995
26996 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26997             Richard Sandiford  <richard@codesourcery.com>
26998
26999         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
27000         (FP_REGNO_P): New macros.
27001         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
27002         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
27003         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
27004         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
27005
27006 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
27007
27008         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27009         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
27010         to $tmake_file.
27011         * config/m68k/t-floatlib: New file, extracting common code from...
27012         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
27013         * config/m68k/t-uclinux: Here.
27014         * config/m68k/fpgnulib.c: Do not compile extendeed precision
27015         routines on ColdFire targets.
27016
27017 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
27018
27019         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27020         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
27021         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
27022         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
27023         explicitly set MOTOROLA to 1.
27024         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
27025
27026 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27027             Nathan Sidwell  <nathan@codesourcery.com>
27028
27029         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
27030         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
27031         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
27032         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
27033         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
27034         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
27035         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
27036         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
27037         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
27038         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
27039         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
27040         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
27041         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
27042         (DBX_REGISTER_NUMBER): Delete.
27043         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
27044         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
27045         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
27046
27047 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27048
27049         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
27050         * config/flat.h: New file.
27051         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
27052         OBJECT_FORMAT_FLAT.
27053         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
27054         indirect references for -msep-data or -mid-shared-library.
27055         Do not use PC-relative code addresses either.
27056         * config/m68k/m68k.c (override_options): Restrict -fPIC error
27057         to -mpcrel.
27058         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
27059         for shared libraries and crt1.o for executables.  Use crti.o and
27060         crtbegin.o.
27061         (ENDFILE_SPEC): Use crtend.o and crtn.o.
27062         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
27063         Do not add -elf2flt or -shared-lib-id options here.
27064         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
27065         Pass -shared-lib-id if -mid-shared-library, taking the library
27066         identifier from -mshared-library-id if given, otherwise
27067         defaulting to 0.
27068         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
27069         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
27070         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
27071         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
27072         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
27073         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
27074         and crtend.o.
27075         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
27076         jump sequence for ISA A and ISA A+.
27077         (PICJUMP): Likewise.
27078
27079 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27080
27081         * config.gcc (m68k-*-uclinux*): Base the port on the common
27082         and m68k GNU/Linux files rather than on the generic ELF ones.
27083         * config/m68k/uclinux.h (TARGET_VERSION): Override.
27084         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
27085
27086 2007-01-18  Julian Brown  <julian@codesourcery.com>
27087             Richard Sandiford  <richard@codesourcery.com>
27088
27089         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
27090         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
27091         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
27092         before redefining.
27093         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
27094         80 unconditionally.
27095         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
27096
27097 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27098
27099         * doc/install.texi: Document m68k-uclinuxoldabi.
27100         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
27101         * config/m68k/uclinux-oldabi.h: New file, copied from
27102         config/m68k/uclinux.h.
27103
27104 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
27105
27106         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
27107         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
27108         (m32r_compute_frame_size): Use unsigned for regno.
27109         (m32r_reload_lr): Use gen_frame_mem.
27110         (pop): New.
27111         (m32r_output_function_epilogue): Don't output the function epilogue
27112         textually here.
27113         (m32r_expand_epilogue): New.
27114         (direct_return): Return false if the function has the interrupt
27115         attribute.
27116         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
27117         * config/m32r/m32r.md (epilogue): New expander.
27118         (return_lr, return_rte): New insns.
27119         (return): Make it expander.
27120         (return_normal): New expander.
27121
27122 2007-01-18  Josh Conner  <jconner@apple.com>
27123
27124         PR target/30485
27125         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
27126         support for UNLE, UNLT, UNGE, and UNGT.
27127
27128 2007-01-18  Jan Hubicka  <jh@suse.cz>
27129
27130         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
27131         * tree-tailcall (add_virtual_phis): Likewise.
27132         (optimize_tail_call): Return TODOs.
27133         (execute_tail_calls): Return TODOs.
27134         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
27135         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
27136         changed.
27137         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
27138         Cleanup cfg using TODO.
27139         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
27140         * passes.c (execute_function_todo): When cleanup did something, remove
27141         unused locals.
27142         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
27143         (make_edges): Don't cleanup_cfg.
27144
27145 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
27146
27147         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
27148         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
27149         operate on the top of stack.
27150         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
27151         register handling of instructions that output to the second
27152         stack slot.
27153         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
27154         (move_for_stack_reg): Special-case check for dead destination
27155         stack slot for constant load of 1.0 inside UNSPEC_TAN.
27156
27157         * config/i386/i386.md (UNSPEC_TAN): New constant.
27158         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
27159         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
27160         to correctly model move of constant 1.0 to top stack slot.
27161         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
27162         (unnamed peephole2 pattern): Remove corresponding peephole2
27163         pattern that optimizes tan insn and loading of constant 1.0.
27164         (tanxf2): Use fptanxf4_i387.
27165         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
27166         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
27167         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
27168         disable patterns for SSE math.
27169         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
27170         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
27171
27172 2007-01-18  Dirk Mueller  <dmueller@suse.de>
27173             Richard Guenther <rguenther@suse.de>
27174
27175         PR diagnostic/8268
27176         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
27177         * common.opt (Warray-bounds): Add new warning option.
27178         * c-opts.c (c_common_handle_option): Define -Warray-bounds
27179         if -Wall is given.
27180         * Makefile.in: make tree-vrp.o depend on toplev.h
27181         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
27182         is enabled.
27183         (check_array_refs, check_array_bounds, check_array_ref): New.
27184
27185 2007-01-18  Jan Hubicka  <jh@suse.cz>
27186
27187         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
27188         (execute_ssa_ccp): Return flags conditionally.
27189         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
27190         changed.
27191         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
27192
27193 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
27194
27195         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
27196         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
27197
27198         * Makefile.c (GTFILES): Add cfglayout.h.
27199         * gengtype.c (open_base_files): Likewise.
27200         * cfglayout.c (cfg_layout_function_footer,
27201         cfg_layout_function_header) Reindent to make gengtype happy.
27202         * cfglayout.h (cfg_layout_function_footer,
27203         cfg_layout_function_header): Add GTY(()) marker.
27204
27205         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
27206
27207 2007-01-18  Ben Elliston  <bje@au.ibm.com>
27208
27209         * genautomata.c (write_automata): Include xstrerror output in the
27210         error message if writing the DFA description file fails.
27211
27212 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
27213
27214         * config/mips/mips-protos.h (mips_output_external): Make it
27215         return void.
27216         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
27217         * config/mips/mips.c (irix_output_external_libcall): Likewise.
27218         (extern_list): Likewise.
27219         (extern_head): Likewise.
27220         (TARGET_ASM_FILE_END): Likewise.
27221         (mips_file_end): Likewise.
27222         (mips_output_external): Rewritten.
27223
27224 2007-01-18  Ben Elliston  <bje@au.ibm.com>
27225
27226         * genpreds.c (write_insn_preds_c): Only write out the function
27227         body for regclass_for_constraint if we have register constraints.
27228
27229 2007-01-17  Tom Tromey  <tromey@redhat.com>
27230
27231         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
27232         * doc/install.texi (Testing): Use sourceware.org.
27233         (Binaries): Likewise.
27234         (Specific): Likewise.
27235         * doc/contrib.texi (Contributors): Use sourceware.org.
27236
27237 2007-01-17  Anatoly Sokolov <aesok@post.ru>
27238
27239         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
27240         (AVR_ENHANCED): Rename to ...
27241         (AVR_HAVE_MUL): ... new.
27242         (avr_enhanced_p): Rename to ...
27243         (avr_have_mul_p): ... new.
27244         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
27245         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
27246         * config/avr/avr.c (avr_enhanced_p): Rename to ...
27247         (avr_have_mul_p): ... new.
27248         (base_arch_s): Rename 'enhanced' to 'have_mul'.
27249         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
27250         'avr_enhanced_p' and 'enhanced'.
27251         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
27252         AVR_HAVE_MUL instead of AVR_ENHANCED.
27253         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
27254         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
27255         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
27256         instead of AVR_ENHANCED.
27257         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
27258         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
27259         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
27260
27261 2007-01-17  Ian Lance Taylor  <iant@google.com>
27262
27263         * vec.h (VEC_reserve_exact): Define.
27264         (vec_gc_p_reserve_exact): Declare.
27265         (vec_gc_o_reserve_exact): Declare.
27266         (vec_heap_p_reserve_exact): Declare.
27267         (vec_heap_o_reserve_exact): Declare.
27268         (VEC_OP (T,A,reserve_exact)): New static inline function, three
27269         versions.
27270         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
27271         negative parameter.
27272         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
27273         (VEC_OP (T,A,copy)) [all versions]: Likewise.
27274         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
27275         * vec.c (calculate_allocation): Add exact parameter.  Change all
27276         callers.
27277         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
27278         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
27279         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
27280         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
27281         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
27282         (vec_heap_p_reserve_exact): New function.
27283         (vec_heap_o_reserve_exact): New function.
27284
27285 2007-01-17  Jan Hubicka  <jh@suse.cz>
27286
27287         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
27288
27289 2007-01-17  Eric Christopher  <echristo@apple.com>
27290
27291         * config.gcc: Support core2 processor.
27292
27293 2007-01-16  Jan Hubicka  <jh@suse.cz>
27294
27295         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
27296         the names, just unlink the chain so we don't crash on dangling
27297         pointers
27298         to dead SSA names.
27299
27300 2007-01-16  Jan Hubicka  <jh@suse.cz>
27301
27302         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
27303         * tree-pass.h: Reorder to make IPA passes appear toegher.
27304         (pass_early_inline, pass_inline_parameters, pass_apply_inline):
27305         Declare.
27306         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
27307         parameters, do not call early inliner.
27308         * ipa-inline.c: Update comments.  Include tree-flow.h
27309         (cgraph_decide_inlining): Do not compute inlining parameters.
27310         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
27311         be called with function context set up.
27312         (pass_ipa_inline): Remove unreachable functions before pass.
27313         (cgraph_early_inlining): Simplify assuming to be called from the
27314         PM as local pass.
27315         (pass_early_inline): New pass.
27316         (cgraph_gate_ipa_early_inlining): New gate.
27317         (pass_ipa_early_inline): Turn into simple wrapper.
27318         (compute_inline_parameters): New function.
27319         (gate_inline_passes): New gate.
27320         (pass_inline_parameters): New pass.
27321         (apply_inline): Move here from tree-optimize.c
27322         (pass_apply_inline): New pass.
27323         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
27324         transforming.
27325         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
27326         doing them by hand.
27327         (tree_function_versioning): Do not allocate dummy struct function.
27328         * tree-inline.h (optimize_inline_calls): Update prototype.
27329         * tree-optimize.c (execute_fixup_cfg): Export.
27330         (pass_fixup_cfg): Remove
27331         (tree_rest_of_compilation): Do not apply inlines.
27332         * tree-flow.h (execute_fixup_cfg): Declare.
27333         * Makefile.in (gt-passes.c): New.
27334         * passes.c: Include gt-passes.h
27335         (init_optimization_passes): New passes.
27336         (nnodes, order): New static vars.
27337         (do_per_function_toporder): New function.
27338         (execute_one_pass): Dump current pass here.
27339         (execute_ipa_pass_list): Don't dump current pass here.
27340
27341 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
27342
27343         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
27344         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
27345
27346 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
27347
27348         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
27349         (strong_alias): Define.
27350         (__gcc_qmul): Provide non-FMA for soft-float.
27351         (__gcc_qdiv): Same.
27352         (__gcc_qneg): New.
27353         (__gcc_qeq): New.
27354         (__gcc_qle): New.
27355         (__gcc_qge): New.
27356         (__gcc_qunord): New.
27357         (__gcc_stoq): New.
27358         (__gcc_dtoq): New.
27359         (__gcc_qtos): New.
27360         (__gcc_qtod): New.
27361         (__gcc_qtoi): New.
27362         (__gcc_qtou): New.
27363         (__gcc_itoq): New.
27364         (__gcc_utoq): New.
27365         (fmsub): New.
27366         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
27367         soft-float functions.
27368         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
27369         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
27370         about long double soft float.
27371
27372 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
27373             Tehila Meyzels  <tehila@il.ibm.com>
27374
27375         * tree-vectorizer.h (is_pattern_stmt_p): New.
27376         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
27377         formatting (tabs instead of spaces). Cleanup and clarify setting
27378         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
27379         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
27380         (vectorizable_type_demotion): Check that types are integral.
27381         (vectorizable_type_promotion): Likewise.
27382         (vectorizable_store): Fix typo.  Eliminate new-line at end of
27383         comments.
27384
27385 2007-01-16  Jan Hubicka  <jh@suse.cz>
27386
27387         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
27388         cgraph edges too.
27389
27390 2007-01-15  Eric Christopher  <echristo@apple.com>
27391
27392         * ifcvt.c: Include vec.h, vecprim.h.
27393         (check_cond_move_block): New argument regs.
27394         Reorganize. Add registers used to regs.
27395         (cond_move_process_if_block): Use regs set above as
27396         loop bounds.
27397
27398 2007-01-15  Eric Christopher  <echristo@apple.com>
27399
27400         * config/darwin.h: Update copyright.
27401         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
27402         (LINK_COMMAND_SPEC): Add -u.
27403         (LINK_SPEC): Fix umbrella for above.
27404
27405 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
27406
27407         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
27408         glibc CVS.
27409
27410 2007-01-15  Tom Tromey  <tromey@redhat.com>
27411
27412         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
27413         * doc/install.texi (Testing): Don't mention jacks.
27414         (Configuration): Document --enable-java-maintainer-mode.  Move
27415         --with-java-home to libgcj-specific section.  Document
27416         --with-ecj-jar.
27417         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
27418
27419 2007-01-15  Jan Hubicka  <jh@suse.cz>
27420
27421         * tree-ssa-dce.c (DCE_TODOs): New.
27422         (propagate_necessity): Return if something changed.
27423         (eliminate_unnecessary_stmts): Likewise.
27424         (perform_tree_ssa_dce): Return TODO flags when needed.
27425         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
27426
27427 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
27428
27429         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
27430         (fyl2x_extend<mode>xf3_i387): New insn pattern.
27431         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
27432         patterns using X87MODEF12 mode macro.  Extend operand 1
27433         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
27434         (log10<mode>2): Ditto.
27435         (log2<mode>2): Ditto.
27436         (log1p<mode>2): Ditto.
27437         (logb<mode>2): Ditto.
27438         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
27439         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
27440         (*fxtractxf3_i387): Rename from *fxtractxf3.
27441         (fxtract_extend<mode>xf3_i387): New insn pattern.
27442         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
27443         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
27444         and gen_fyl2xxf3_i387().
27445
27446 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
27447
27448         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
27449         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
27450         get_loop_exit_edges.  Changed return type to bool.
27451         * cfgloop.h (fix_loop_placement): Declaration removed.
27452
27453 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
27454
27455         * param.h (MIN_VECT_LOOP_BOUND): New.
27456         * params.def (MIN_VECT_LOOP_BOUND): New.
27457         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
27458         argument - minimum threshold for number of iterations.
27459         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
27460         argument to declaration.
27461         * tree-vect-analyze.c (vect_analyze_operations): Check value of
27462         MIN_VECT_LOOP_BOUND.
27463         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
27464         slpeel_tree_peel_loop_to_edge with additional argument.
27465         (vect_do_peeling_for_alignment): Likewise.
27466         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
27467
27468 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
27469
27470         PR target/30413
27471         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
27472         operands of size 1.
27473
27474 2007-01-14  Jan Hubicka  <jh@suse.cz>
27475
27476         * tree-dfa.c (remove_referenced_var): New function.
27477         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
27478         prune referenced vars list too.
27479         * tree-flow.h (remove_referenced_var): Declare.
27480
27481 2007-01-14  Jan Hubicka  <jh@suse.cz>
27482
27483         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
27484         separately.
27485         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
27486         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
27487         * except.h (verify_eh_throw_table_statements): Kill prototype.
27488         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
27489         into call exrepssions.
27490         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
27491         eh trhow verifier.
27492         * tree-cfg.c: Include pointer-set.h.
27493         (verify_node_sharing): Work on pointer set.
27494         (verify_eh_throw_stmt_node): New.
27495         (verify_stmts): Use pointers sets, verify throw_stmt.
27496
27497 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
27498
27499         * ipa-reference.c (analyze_function): Consider also addresses taken
27500         in phi nodes.
27501
27502 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27503
27504         * c-typeck.c (null_pointer_constant_p): Replace use of
27505         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27506         (build_c_cast): Likewise.
27507
27508 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27509
27510         * tree.h (force_fit_type_double): Remove unused final argument.
27511         * c-common.c (constant_expression_warning): Replace use of
27512         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27513         (convert_and_check): Likewise.
27514         (shorten_compare): Update call to force_fit_type_double.
27515         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
27516         * convert.c (convert_to_pointer): Update call to
27517         force_fit_type_double.
27518         * fold-const.c (force_fit_type_double): Remove overflowed_const
27519         argument.
27520         (int_const_binop, fold_convert_const_int_from_int,
27521         fold_convert_const_int_from_real, fold_div_compare,
27522         fold_sign_changed_comparison, fold_unary, fold_negate_const,
27523         fold_abs_const, fold_not_const): Remove the final argument from
27524         calls to force_fit_type_double.
27525
27526 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
27527
27528         * configure.ac: Set insn to "nop" for spu-*-* also.
27529         * configure: Regenerate.
27530
27531 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
27532
27533         * builtins.def : Add BUILT_IN_FREE.
27534
27535 2007-01-12  Jan Hubicka  <jh@suse.cz>
27536
27537         PR tree-optimization/30443
27538         * tree-inline.c (tree_function_versioning): Do not optimize when
27539         cloning for inlining.
27540
27541 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
27542
27543         * doc/loop.texi: Document recording of loop exits.
27544         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
27545         (update_single_exits_after_duplication,
27546         update_single_exit_for_duplicated_loop,
27547         update_single_exit_for_duplicated_loops): Removed.
27548         (duplicate_loop_to_header_edge): Do not call
27549         update_single_exits_after_duplication and
27550         update_single_exit_for_duplicated_loops.
27551         (loop_version): Do not update single_exit information.
27552         (fix_loop_structure): Use record_loop_exits instead of
27553         mark_single_exit_loops.
27554         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
27555         the lists of loop exits.
27556         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
27557         split_edge, merge_blocks): Update the lists of loop exits.
27558         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
27559         loop_optimizer_init.
27560         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
27561         of mark_single_exit_loops.
27562         (loop_optimizer_finalize): Call release_recorded_exits.
27563         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
27564         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
27565         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
27566         update single exit information.
27567         * lambda-code.c (perfect_nestify): Ditto.
27568         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
27569         (mark_single_exit_loops): Removed.
27570         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
27571         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
27572         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
27573         functions.
27574         (get_loop_exit_edges, single_exit): Use recorded exit lists.
27575         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
27576         (verify_loop_structure): Verify consistency of the exit lists.
27577         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
27578         (set_single_exit): Removed.
27579         * cfgloop.h (struct loop_exit): New function.
27580         (struct loop): single_exit_ field replaced by exits field.
27581         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
27582         LOOPS_HAVE_RECORDED_EXITS.
27583         (struct loops): Added exits hash.
27584         (mark_single_exit_loops, set_single_exit): Declaration removed.
27585         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
27586
27587 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27588
27589         * doc/invoke.texi: Avoid use of @headitem.
27590
27591 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27592
27593         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
27594
27595 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27596
27597         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
27598         list of targets.
27599
27600 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27601             Richard Sandiford  <richard@codesourcery.com>
27602
27603         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
27604         * config/m68k/m68k.opt: Resort options.
27605         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
27606
27607 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27608             Richard Sandiford  <richard@codesourcery.com>
27609
27610         * doc/invoke.texi: Document the macros that are defined by
27611         m68k's -mtune and -mhard-float options.
27612         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
27613         (m68k_cpp_cpu_family): Likewise.
27614         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
27615         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
27616         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
27617         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
27618         (m68k_cpp_cpu_family): Likewise.
27619
27620 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27621
27622         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
27623         macros besides mc68000 as tuning macros.  Use a switch statement
27624         to set them and mcpu32.
27625
27626 2007-01-12  Julian Brown  <julian@codesourcery.com>
27627
27628         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
27629         (TARGET_68040_ONLY): Rename to...
27630         (TARGET_68040): ...this.
27631         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
27632         * config/m68k/m68k.md: Likewise.
27633
27634 2007-01-12  Julian Brown  <julian@codesourcery.com>
27635             Nathan Sidwell  <nathan@codesourcery.com>
27636             Richard Sandiford  <richard@codesourcery.com>
27637
27638         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
27639         the -mcpu= argument associated with the --with-cpu setting.
27640         Define M68K_DEFAULT_TUNE to the default -mtune= option,
27641         if different from the one implied by the -mcpu setting.
27642         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
27643         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
27644         * doc/invoke.texi: Mention ColdFire in the introduction to the
27645         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
27646         -mno-div and -mhard-float options.  Make -m68881 a synonym for
27647         -mhard-float.  Document the previously-undocumented -m5206e,
27648         -m528x, -m5307 and -m5407 options.  Tweak the existing option
27649         documentation for consistency.
27650         * doc/install.texi: Mention new --with-cpu arguments.
27651         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
27652         default CPU if neither -mcpu nor -march are specified.
27653         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
27654         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
27655         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
27656         using m68k_tune to decide between families that implement the
27657         same ISA.  Use m68k_tune to set __mcfv4e__.
27658         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
27659         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
27660         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
27661         (FL_ISA_C, FL_ISA_MMU): New macros.
27662         (MASK_COLDFIRE): Delete.
27663         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
27664         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
27665         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
27666         (TARGET_HARD_FLOAT): Do not define here.
27667         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
27668         (TUNE_68000): New macro.
27669         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
27670         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
27671         (TUNE_CFV2): Redefine in terms of m68k_tune.
27672         (uarch_type, target_device, fpu_type): New enums.
27673         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
27674         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
27675         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
27676         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
27677         (FL_FOR_isa_c): New macros.
27678         (m68k_isa): New enum.
27679         (m68k_target_selection): New structure.
27680         (all_devices, all_isas, all_microarchs): New tables.
27681         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
27682         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
27683         (MASK_ALL_CPU_BITS): Delete.
27684         (m68k_find_selection): New function.
27685         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
27686         Map the legacy target options to a combination of the new ones.
27687         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
27688         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
27689         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
27690         settings.
27691         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
27692         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
27693         properties.
27694         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
27695         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
27696         * config/m68k/m68k-devices.def: New file.
27697
27698 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27699             Nathan Sidwell  <nathan@codesourcery.com>
27700
27701         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
27702         (SUBTARGET_EXTRA_SPECS): New macros.
27703         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
27704         use %(asm_cpu_spec) instead.
27705         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
27706         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
27707         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
27708         (EXTRA_SPECS): Rename to...
27709         (SUBTARGET_EXTRA_SPECS): ...this.
27710
27711 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27712             Richard Sandiford  <richard@codesourcery.com>
27713             Julian Brown  <julian@codesourcery.com>
27714
27715         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27716         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
27717         to the configuration's default CPU.
27718         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
27719         Remove default masks.
27720         (m680[012]0-*-*): Set the default with_cpu to the first part of
27721         the target name.
27722         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
27723         (m68k*-*-linux): Extend the --with-cpu handling to...
27724         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
27725         and m68010.  Don't set target_cpu_default2.
27726         * doc/install.texi: Document --with-cpu for m68k.
27727         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
27728         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
27729         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
27730         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
27731         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
27732         (ASM_SPEC): Remove use of %(asm_cpu_default).
27733         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
27734         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
27735         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
27736         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
27737         __HAVE_FPU__ if TARGET_HARD_FLOAT.
27738         (TARGET_DEFAULT): Delete.
27739         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
27740         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
27741         (CPP_CPU_SPEC): Delete.
27742         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
27743         the appropriate string.
27744         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
27745         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
27746         (ASM_SPEC): Don't use %(asm_default_spec).
27747         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
27748         TARGET_DEFAULT and add MASK_68881.
27749         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
27750
27751 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27752
27753         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
27754         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
27755         MASK_68010 alongside MASK_68020.
27756         * doc/invoke.texi: Document -m68010.
27757         * config/m68k/m68k.opt (m68010): New.
27758         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
27759         if TUNE_68010.
27760         (TUNE_68010): New macro.
27761         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
27762         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
27763         (M68K_CPU_m68332): Add MASK_68010.
27764         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
27765         fallback definition.
27766         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
27767         defines.
27768         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
27769         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
27770         to all entries that use MASK_68020.
27771         (output_move_simode_const, output_move_himode, output_move_qimode)
27772         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
27773         instead of TARGET_68020 to select clr behavior.  Remove comment
27774         about there being no TARGET_68010.
27775         * config/m68k/m68k.md: Likewise throughout.
27776
27777 2007-01-12  Julian Brown  <julian@codesourcery.com>
27778
27779         * config/m68k/m68k.h (TARGET_ISAB): New macro.
27780         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
27781         * config/m68k/m68k.md: Likewise.
27782
27783 2007-01-12  Julian Brown  <julian@codesourcery.com>
27784
27785         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
27786         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
27787
27788 2007-01-12  Julian Brown  <julian@codesourcery.com>
27789
27790         * config/m68k/m68k.h (TUNE_68040_60): New macro.
27791         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
27792         * config/m68k/m68k.md: Likewise.
27793
27794 2007-01-12  Julian Brown  <julian@codesourcery.com>
27795             Richard Sandiford  <richard@codesourcery.com>
27796
27797         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
27798         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
27799         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
27800         TARGET_CPU32.
27801         (TARGET_CPU32): Rename to...
27802         (TUNE_CPU32): ...this.
27803         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
27804         (TUNE_CFV2): New macros.
27805         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
27806         remove conditions that are implied by TARGET_68020.
27807         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
27808         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
27809         (m68k_output_function_epilogue): Likewise.
27810         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
27811         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
27812         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
27813         non-68000 timings.  Refactor multiplication and division costs.
27814         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
27815         TUNE_CPU32 instead of TARGET_CPU32.
27816         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
27817         and TUNE_68060 instead of TARGET_68060.
27818         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
27819         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
27820         TARGET_CPU32.
27821         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
27822         && !TARGET_COLDFIRE" to choose between moveq and clr.
27823         Likewise in the unnamed movsf pattern.
27824         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
27825         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
27826         ashiftrt pattern.
27827
27828 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27829
27830         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
27831         of tabbing before backslashes.
27832
27833 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27834
27835         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
27836         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
27837         (ASM_OUTPUT_INTERNAL_LABEL): Define.
27838
27839 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27840
27841         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
27842         find_interesting_uses_cond.
27843         (find_interesting_uses_cond): Use extract_cond_operands.
27844         (rewrite_use_compare): Use extract_cond_operands and
27845         force_gimple_operand_bsi.  Do not call update_stmt.
27846         (determine_use_iv_cost_condition): Use extract_cond_operands.
27847         Return cheaper of using original bound and changing the exit bound.
27848
27849 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27850
27851         PR tree-optimization/29516
27852         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
27853         most_expensive_mult_to_index, addr_to_parts,
27854         create_mem_ref, maybe_fold_tmr): Make the type of
27855         fields of TARGET_MEM_REF sizetype.
27856         (move_fixed_address_to_symbol, move_pointer_to_base):
27857         New functions.
27858         * tree.def (TARGET_MEM_REF): Add comment on types of
27859         the operands.
27860
27861 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
27862
27863         * c-common.c (vector_types_convertible_p): Treat opaque types as
27864         always convertible if they have the same size, but not otherwise.
27865
27866 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
27867
27868         * ifcvt.c (struct noce_if_info): Add comments to the fields.
27869         Remove the b_unconditional field.
27870         (noce_try_sign_mask): Do not look at b_unconditional.
27871         (noce_process_if_block): Do not use merge_if_blocks.  Update
27872         the CFG here.  Do not set b_unconditional.
27873         (cond_move_process_if_block): Likewise.
27874         (find_cond_trap): Likewise.
27875         (check_cond_move_block): Require simple jump insns at the end
27876         of the basic block.
27877
27878 2007-01-11  Jan Hubicka  <jh@suse.cz>
27879
27880         PR tree-optimization/1046
27881         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
27882         when alias info is not ready.
27883         (pass_tail_recursion): Do not require aliasing.
27884         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
27885         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
27886         * tree-ssa-copy.c (pass_copy_prop): Likewise.
27887         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
27888         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
27889         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
27890         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
27891         before inlining.
27892         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
27893         When aliasing is not build, mark statement as volatile.
27894
27895 2007-01-11  Tom Tromey  <tromey@redhat.com>
27896
27897         PR preprocessor/15185, PR preprocessor/20989:
27898         * doc/cppopts.texi <-MT>: Update description of algorithm for
27899         computing default target.
27900         <-M, -MD>: Reword "basename" text.
27901
27902 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27903
27904         * builtins.c (expand_builtin_pow, expand_builtin_powi,
27905         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
27906         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
27907         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
27908         fold_builtin_bswap, real_constp, fold_builtin_pow,
27909         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
27910         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
27911         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27912         * convert.c (convert_to_pointer): Likewise.
27913         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
27914         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
27915         const_binop, fold_convert_const_int_from_int,
27916         fold_convert_const_int_from_real,
27917         fold_convert_const_real_from_real, sign_bit_p,
27918         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
27919         fold_sign_changed_comparison, fold_unary, fold_comparison,
27920         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
27921         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
27922         * print-tree.c (print_node_brief, print_node): Likewise.
27923         * stor-layout.c (place_field, layout_type): Likewise.
27924         * tree-chrec.c (keep_cast): Likewise.
27925         * tree.c (build_vector, build_real, build_real_from_int_cst,
27926         build_complex): Likewise.
27927
27928 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27929
27930         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
27931         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
27932
27933 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
27934
27935         * configure.ac (strict1_warn): Rename to strict_warn.
27936         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
27937         cc_set_by_configure, quoted_cc_set_by_configure,
27938         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
27939         all_boot_languages, all_stagestuff): Remove.
27940         (target_list): Remove bootstrap targets.
27941         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
27942         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
27943         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
27944         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
27945         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
27946         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
27947         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
27948         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
27949         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
27950         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
27951         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
27952         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
27953         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
27954         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
27955         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
27956         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
27957         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
27958         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
27959         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
27960         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
27961         (mostlyclean): Adjust.
27962         (clean, distclean): Don't mention bootstrap stuff.
27963         * configure: Regenerate.
27964         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
27965         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
27966         treelang/config-lang.in (stagestuff): Remove.
27967         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
27968         stageprofile, stagefeedback, stagestuff): Remove mention.
27969
27970 2007-01-11  Nick Clifton  <nickc@redhat.com>
27971
27972         * config/mcore/predicates.md (mcore_general_movesrc_operand):
27973         Accept CONSTs.
27974         (mcore_general_movdst_operand): Do not accept CONST_INTs.
27975         (mcore_arith_K_S_operand): Run the test for the S constraint not
27976         the test for the M constraint.
27977         (mcore_addsub_operand): Do not accept integer values that are
27978         larger than 32 bits.
27979         * config/mcore/mcore.md: Remove unused constraints from split.
27980         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
27981         (addsi3): Likewise.
27982         (allocate_stack): Likewise.
27983         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
27984         operands to 32 bits.
27985         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
27986         INTVAL.
27987         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
27988         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
27989         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
27990         mcore_output_bclri, mcore_output_andn, output_inline_const,
27991         mcore_output_move, mcore_output_movedouble): Likewise.
27992         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
27993         (output_inline_const): Likewise.
27994         (output_inline_const): Fix format strings used in sprintf
27995         statements.
27996         * config/mcore/mcore-protos.h: Update prototypes for changed
27997         functions in mcore.c.
27998         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
27999         HOST_WIDE_INT and not int.
28000         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
28001         CONST_OK_FOR_N): Likewise.
28002         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
28003         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
28004         an INTVAL.
28005
28006 2007-01-10  Jan Hubicka  <jh@suse.cz>
28007
28008         * tree-vrp.c (remove_range_assertions): Release defs.
28009         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
28010         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
28011
28012 2007-01-10  Paul Brook  <paul@codesourcery.com>
28013
28014         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
28015         * config/arm/arm.md (mulsi3subsi): New insn.
28016
28017 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
28018
28019         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
28020         (tree_transform_and_unroll_loop): New.
28021         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
28022         Declare.
28023
28024 2007-01-10  Robert Kennedy <jimbob@google.com>
28025
28026         * fold-const.c (fold_comparison): Fold comparisons like (x *
28027         1000 < 0) to (x < 0).
28028
28029 2007-01-10  Ian Lance Taylor  <iant@google.com>
28030
28031         * tree-pretty-print.c (dump_generic_node): Print parentheses when
28032         operands have the same priority.
28033
28034 2007-01-10  Tom Tromey  <tromey@redhat.com>
28035
28036         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
28037         (fold_binary): Likewise.
28038         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
28039         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
28040         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
28041         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
28042         * langhooks.h (struct lang_hooks): Removed field
28043         'can_use_bit_fields_p'.
28044
28045 2007-01-10  Ralf CorsÃÂ©pius <ralf.corsepius@rtems.org>
28046
28047         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
28048
28049 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
28050
28051         * function.c (get_last_funcdef_no): New function.
28052         * function.h (get_last_funcdef_no): Declare.
28053         * tree-inline.c (initialize_cfun): Add initialization.
28054         (tree_function_versioning): Cleanup.
28055
28056 2007-01-10  Jan Hubicka  <jh@suse.cz>
28057
28058         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
28059         PHIs.
28060
28061 2007-01-10  Sa Liu  <saliu@de.ibm.com>
28062             Ben Elliston  <bje@au.ibm.com>
28063
28064         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
28065         for SAVE_NONLOCAL and Pmode for any other save level.
28066         * spu-protos.h (spu_restore_stack_block): Declare.
28067         * spu.md (save_stack_block): Remove.
28068         (restore_stack_block): Call spu_restore_stack_block.
28069         * spu.c (spu_restore_stack_block): New function.
28070         (spu_expand_epilogue): Remove old comment.
28071
28072 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
28073
28074         PR tree-optimization/30322
28075         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
28076         (cand_value_at): Return the value as aff_tree.
28077         (may_eliminate_iv): Convert the bound from aff_tree to tree.
28078         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
28079         aff_combination_mult): New functions.
28080         (aff_combination_add): Use aff_combination_add_cst.
28081         (aff_combination_convert): Allow conversions to a wider type.
28082         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
28083         * tree-affine.h (aff_combination_mult): Declare.
28084
28085 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
28086
28087         * doc/tm.texi: Update documentation to reflect reality of exec
28088         and start file search behaviours. Update copyright year.
28089         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
28090         header file directories.
28091
28092 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
28093
28094         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
28095         (*cosxf2): Rename to cosxf2_i387.
28096         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
28097         using X87MODEF12 mode macro. Rename patterns to
28098         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
28099         for SSE math.
28100         (*cosdf2, *cossf2): Ditto.
28101         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
28102         to match extended input operands.
28103         (sincos<mode>3): New expander.
28104         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
28105         insn patterns and corresponding splitters.
28106
28107 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
28108
28109         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
28110         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
28111
28112 2007-01-09  Nicolas Pitre  <nico@cam.org>
28113
28114         PR target/30173
28115         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
28116
28117 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
28118
28119         * target.h (struct gcc_target): New field library_rtti_comdat.
28120         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
28121         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
28122         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
28123         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
28124
28125 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
28126
28127         * doc/invoke.texi (Optimize Options): Correct description of -O0.
28128
28129 2007-01-08  Richard Guenther  <rguenther@suse.de>
28130
28131         * tree.h (force_fit_type_double): Export.
28132         (force_fit_type): Remove.
28133         * fold-const.c (force_fit_type_double): New function.
28134         (force_fit_type): Remove.
28135         (int_const_binop): Use it.
28136         (fold_convert_const_int_from_int): Likewise.
28137         (fold_convert_const_int_from_real): Likewise.
28138         (fold_div_compare): Likewise.
28139         (fold_sign_changed_comparison): Likewise.
28140         (fold_unary): Likewise.
28141         (fold_negate_const): Likewise.
28142         (fold_abs_const): Likewise.
28143         (fold_not_const): Likewise.
28144         * c-common.c (shorten_compare): Use force_fit_type_double.
28145         * convert.c (convert_to_pointer): Likewise.
28146
28147 2007-01-08  Richard Guenther  <rguenther@suse.de>
28148
28149         * tree.h (build_int_cst_wide_type): Export.
28150         * tree.c (build_int_cst_wide_type): New function.
28151         (build_int_cst_wide): Fix comment.
28152         * builtins.c (fold_builtin_object_size): Use build_int_cst
28153         to build -1 or 0 of the correct type.  Use fit_double_type
28154         to check for overflow.
28155         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
28156         to build the mask.
28157         (decode_field_reference): Likewise.
28158         (all_ones_mask_p): Likewise.
28159         (native_interpret_int): Use build_int_cst_wide_type.
28160         (fold_binary): Use build_int_cst_type to build an all-ones
28161         value.
28162         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
28163
28164 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
28165
28166         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
28167
28168 2007-01-09  Ben Elliston  <bje@au.ibm.com>
28169
28170         * genautomata.c (STATS_OPTION): New option.
28171         (stats_flag): New flag.
28172         (gen_automata_option): Handle it.
28173         (initiate_automaton_gen): Ditto.
28174         (write_automata): Output statistics only if stats_flag is
28175         set. Likewise, output time statistics only if time_flag is set.
28176         * doc/md.texi (Processor pipeline description): Document new flag.
28177
28178 2007-01-08  Richard Guenther  <rguenther@suse.de>
28179
28180         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
28181         * tree.c (build_int_cst_type): Likewise.
28182         (size_in_bytes): Don't call force_fit_type on the result.
28183         (int_fits_type_p): Use fit_double_type.
28184         * fold-const.c (fit_double_type): New function.
28185         (force_fit_type): Use it.
28186         * tree.h (fit_double_type): Export.
28187
28188 2007-01-08  Jan Hubicka  <jh@suse.cz>
28189
28190         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
28191         * ipa.c (function_and_variable_visibility): Fix return type.
28192
28193 2007-01-08  Richard Guenther  <rguenther@suse.de>
28194
28195         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
28196         of offset to build the index.
28197         * tree-pretty-print.c (dump_generic_node): Don't build negated
28198         const just for printing.
28199         * c-pretty-print.c (pp_c_integer_constant): Likewise.
28200         * builtins.c (fold_builtin_int_roundingfn): Check if result
28201         fits the type by using force_fit_type and comparing the result.
28202         * predict.c (predict_loops): Use compare_tree_int for comparison.
28203         * tree.c (build_int_cst): Fall back to integer_type_node for
28204         NULL_TREE type.
28205         (build_int_cst_wide): Assert type is non-null.
28206
28207 2007-01-08  Roberto Costa  <roberto.costa@st.com>
28208
28209         * tree-vrp.c (extract_range_from_cond_expr): New.
28210         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
28211         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
28212         as expressions.
28213         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
28214         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
28215         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
28216         used as expressions.
28217         * tree-object-size.c (cond_expr_object_size): New.
28218         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
28219
28220 2007-01-08  Jan Hubicka  <jh@suse.cz>
28221
28222         * tree-ssa-forwprop.c (forward_propagate_into_cond,
28223         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
28224         statement.
28225
28226 2007-01-08  Richard Guenther  <rguenther@suse.de>
28227
28228         PR tree-optimization/23603
28229         * tree-vrp.c (set_value_range_to_truthvalue): New function.
28230         (extract_range_from_binary): Fall back to truthvalue instead of
28231         varying for TRUTH_*_EXPR.
28232         (extract_range_from_comparison): Fall back to truthvalue instead of
28233         varying.
28234         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
28235         if all visited PHI values were constant.
28236
28237 2007-01-08  Jan Hubicka  <jh@suse.cz>
28238
28239         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
28240         (cgraph_analyze_function): break out from ...
28241         (cgraph_finalize_compilation_unit): ... here.
28242         (cgraph_expand_function): Remove forgoten commented out line.
28243         (cgraph_optimize): Analyze functions.
28244
28245 2007-01-08  Jan Hubicka  <jh@suse.cz>
28246
28247         * tree-pas.h (TODO_remove_function): New flag.
28248         (TODO_update*): Renumber.
28249         (pass_ipa_increase_alignment,
28250         pass_ipa_function_and_variable_visibility): New passes.
28251         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
28252         (cgraph_function_and_variable_visibility): Move to ipa.c
28253         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
28254         cgraph_increase_alignment.
28255         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
28256         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
28257         calling tree-inline.
28258         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
28259         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
28260         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
28261         (gate_increase_alignment): New function.
28262         (pass_ipa_increase_alignment): New pass.
28263         * ipa.c: Inline tree-pass.h and timevar.h
28264         (function_and_variable_visibility): Move here from cgraphunit.c
28265         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
28266         * passes.c (init_optimization_passes): Add the two new passes.
28267         (execute_todo): Handle cgraph_remove_functions.
28268
28269 2007-01-08  Nick Clifton  <nickc@redhat.com>
28270
28271         * config/frv/predicates.md (reg_or_0_operand): Accept
28272         CONST_DOUBLEs.
28273
28274 2007-01-08  Ralf CorsÃÂ©pius <ralf.corsepius@rtems.org>
28275
28276         * config/bfin/rtems.h, config/bfin/t-rtems: New.
28277         * config.gcc: Add bfin*-rtems*.
28278
28279 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
28280
28281         * c.opt: Add -flax-vector-conversions.
28282         * c-typeck.c (convert_for_assignment): Pass flag to
28283         vector_types_convertible_p to allow emission of note.
28284         (digest_init): Likewise.
28285         * c-opts.c: Handle -flax-vector-conversions.
28286         * c-common.c (flag_lax_vector_conversions): New.
28287         (vector_types_convertible_p): Unless -flax-vector conversions
28288         has been passed, disallow conversions between vectors with
28289         differing numbers of subparts and/or element types.  If such
28290         a conversion is disallowed, possibly emit a note on the first
28291         occasion only to inform the user of -flax-vector-conversions.
28292         The new last argument specifies this.
28293         * c-common.h (flag_lax_vector_conversions): New.
28294         (vector_types_convertible_p): Add extra argument.
28295         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
28296         char_type_node for V*QI type vectors.
28297         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
28298         Update to satisfy new typechecking rules.
28299         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
28300         C and C++ variants.
28301         * doc/invoke.texi (C Dialect Options): Document
28302         -flax-vector-conversions.
28303
28304 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
28305
28306         PR tree-optimization/29877
28307         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
28308         a register variable on the RHS to not be replaceable.
28309
28310 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
28311         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
28312         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
28313         const_simm15, const_pow2, const_npow2): Added.
28314         * config/score/misc.md (insv, extv, extzv, movmemsi,
28315         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
28316         * config/score/score.c (score_address_cost, score_select_cc_mode):
28317         Added.
28318         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
28319         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
28320         Update score_print_operand.
28321         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
28322         Adjust register allocate order and update some macro define.
28323         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
28324         mdx_block_move_straight, mdx_block_move_loop_head,
28325         mdx_block_move_loop_body, mdx_block_move_loop_foot,
28326         mdx_block_move_loop, mdx_block_move): Added.
28327         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
28328         mdp_limm): Updated and fix some bug and typo.
28329         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
28330         (movsf, movdf, doloop_end): Added.
28331
28332 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
28333
28334         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
28335         config/arm/thumb2.md: Fix comment typos.
28336         * doc/extend.texi: Fix a typo.
28337
28338 2007-01-07  Eric Christopher  <echristo@apple.com>
28339
28340         * configure.ac: Check for __stack_chk_fail for darwin.
28341         * configure: Regenerate.
28342
28343 2007-01-07  Richard Guenther  <rguenther@suse.de>
28344
28345         * tree-vrp.c (extract_range_from_assert): CSE calls to
28346         compare_values where possible.
28347         (extract_range_from_unary_expr): Likewise.
28348
28349 2007-01-07  Anatoly Sokolov <aesok@post.ru>
28350
28351         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
28352         * config/avr/avr.c (call_insn_operand): Delete function.
28353         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
28354         instead of register number. Use predicates.
28355         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
28356         call_insn_operand): Add.
28357
28358 2007-01-06  Jan Hubicka  <jh@suse.cz>
28359
28360         * tree-pass.h (pass_build_cgraph_edges): Declare.
28361         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
28362         (visited_nodes): Remove.
28363         (cgraph_create_edges): Move to cgraphbuild.c; rename to
28364         build_cgrpah_edges; make visited_nodes local.
28365         (cgraph_process_new_functions): DO not call initialize_inline_failed.
28366         (record_references_in_initializer): Move to cgraphbuild.c
28367         (initialize_inline_failed, rebuild_cgraph_edges,
28368         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
28369         (verify_cgraph_node): Make visited_nodes local.
28370         (cgraph_analyze_function): Do not call cgraph_create_edges and
28371         initialize_inline_failed.
28372         (cgraph_expand_function): Do not call cgraph_lower_function;
28373         assert that function is already lowered.
28374         * Makefile.in (cgraphbuild.o): New.
28375         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
28376         at the end of lowering passes.
28377
28378 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
28379
28380         * ifcvt.c (cond_move_convert_if_block): New function, code
28381         factored out from...
28382         (cond_move_process_if_block): ...here.  Call the new function
28383         on the THEN and ELSE blocks.
28384         (merge_if_block): Do not copy global_live_at_end, merge_blocks
28385         already takes care of this.
28386
28387 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28388
28389         PR c/19978
28390         * tree.h (TREE_OVERFLOW_P): New.
28391         * c-typeck.c (parser_build_unary_op): Warn only if result
28392         overflowed and operands did not.
28393         (parser_build_binary_op): Likewise.
28394         (convert_for_assignment): Remove redundant overflow_warning.
28395         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
28396
28397 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28398
28399         * c-typeck.c (store_init_value): Split over two lines to follow
28400         the GNU coding style.
28401
28402 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
28403
28404         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
28405         __GXX_EXPERIMENTAL_CXX0X__.
28406         * doc/cpp.texi: Same.
28407
28408 2007-01-05  Richard Guenther  <rguenther@suse.de>
28409
28410         PR middle-end/27826
28411         * tree.c (get_narrower): Do not construct COMPONENT_REFs
28412         with mismatched types.  Instead explicitly build a
28413         conversion NOP_EXPR.
28414
28415 2007-01-05  Ian Lance Taylor  <iant@google.com>
28416
28417         * c-common.c (decl_with_nonnull_addr_p): New function.
28418         (c_common_truthvalue_conversion): Call it.
28419         * c-typeck.c (build_binary_op): Likewise.
28420         * c-common.h (decl_with_nonnull_addr_p): Declare.
28421
28422 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
28423
28424         PR c/30360
28425         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
28426         denom against 0.0.
28427
28428 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
28429
28430         * doc/install.texi (Final install): Document the fact that
28431         the GNAT runtime should not be stripped.
28432
28433 2007-01-04  Jan Hubicka  <jh@suse.cz>
28434
28435         * tree-inline.c (fold_marked_statements): Update operand caches
28436         and EH after folding
28437
28438 2007-01-04  Ian Lance Taylor  <iant@google.com>
28439
28440         * c-common.c (check_function_nonnull): Whitespace fix.
28441
28442 2007-01-04  Jan Hubicka  <jh@suse.cz>
28443
28444         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
28445         comitted older version of patch.
28446         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
28447         function, celanup cfg and collect garbage.
28448
28449 2007-01-04  Mike Stump  <mrs@apple.com>
28450
28451         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
28452         (clean): Likewise.
28453
28454 2007-01-04  Eric Christopher  <echristo@apple.com>
28455
28456         * libgcc2.c (__bswapsi2): Use SItype.
28457         (__bswapdi2): Use DItype.
28458         * libgcc2.h: Update for above.
28459
28460 2007-01-04  Paul Brook  <paul@codesourcery.com>
28461
28462         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
28463         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
28464         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
28465         umulsidi3, umulsidi3adddi, smulsi3_highpart,
28466         umulsi3_highpart): Make conditional on !arm_arch6.
28467         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
28468         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
28469         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
28470         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
28471         umulsi3_highpart_v6): New insns.
28472
28473 2007-01-04  Roger Sayle  <roger@eyesopen.com>
28474
28475         * fold-const.c (fold_convert): When casting an expression to void,
28476         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
28477         have a type.  Instead of attempting to build a NOP_EXPR, return
28478         these "special" trees directly.
28479
28480 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
28481
28482         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
28483         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
28484         rs6000_cost->fp not 0 as adjustment for outer NEG.
28485
28486 2007-01-04  Jan Hubicka  <jh@suse.cz>
28487
28488         * cgraph.c (cgraph_release_function_body): New function.
28489         (cgraph_remove_node): Use it.
28490         * cgraph.h (cgraph_release_function_body): Declare.
28491         * cgraphunit.c (cgraph_expand_function): Use it.
28492         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
28493         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
28494         is initialized and while compilation of other function is running.
28495         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
28496         statement CFG annotations from here to ...
28497         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
28498
28499 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
28500
28501         * cfgloop.h (enum li_flags): Make the constants powers of two.
28502
28503 2007-01-04  Jan Hubicka  <jh@suse.cz>
28504
28505         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
28506         set.
28507         (fold_marked_statements): New function.
28508         (optimize_inline_calls, tree_function_versioning): Fold new statements.
28509         * tree-inline.h (copy_body_data): Add statements_to_fold.
28510
28511 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
28512
28513         * config.gcc: Mention libgcc/config.host.
28514         * Makefile.in: Update comments mentioning libgcc.
28515         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
28516         (all.cross, start.encap, rest.encap, rest.cross): Update
28517         dependencies for libgcc move.
28518         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
28519         (clean-target, clean-target-libgcc): Delete.
28520         (srcdirify, GCC_EXTRA_PARTS): New macros.
28521         (libgcc-support, libgcc.mvars): New rules.
28522         (distclean): Remove mention of mklibgcc.
28523         (install): Don't reference INSTALL_LIBGCC.
28524         (install-common): Don't reference EXTRA_PARTS.
28525         (install-libgcc, install-multilib): Delete rules.
28526         * mklibgcc.in: Delete file.
28527         * doc/configfiles.texi: Don't mention mklibgcc.
28528
28529         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
28530         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
28531         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
28532         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
28533         (mklibgcc, ldblspecs): Likewise.
28534
28535         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
28536         (posixpre.def): Use $(T).
28537         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
28538         (SHLIB_SRC, SHLIB_INSTALL): Delete.
28539         (SHLIB_LINK): Make dummy.
28540         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
28541
28542         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
28543
28544         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
28545         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
28546         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
28547         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
28548
28549         * configure.ac (all_outputs): Remove mklibgcc.
28550         * configure: Regenerated.
28551
28552 2007-01-03  Josh Conner  <jconner@apple.com>
28553
28554         PR middle-end/29683
28555         * calls.c (compute_argument_addresses): Set stack and stack_slot
28556         for partial args, too.
28557         (store_one_arg): Use locate.size.constant for the size when
28558         generating a save_area.
28559
28560 2007-01-03  Robert Kennedy <jimbob@google.com>
28561
28562         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
28563         whose definitions are deleted due to basic block merging.
28564
28565 2007-01-03  Paul Brook  <paul@codesourcery.com>
28566
28567         PR target/16634
28568         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
28569         functions.
28570         (use_return_insn): Return 0 for Thumb interrupt functions.
28571         (print_multi_reg): Add rfe argument for IRQ returns.
28572         (arm_output_epilogue): Pop interrupt return address directly into PC.
28573         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
28574
28575 2007-01-03  Paul Brook  <paul@codesourcery.com>
28576
28577         Merge from sourcerygxx-4_1.
28578         * config/arm/thumb2.md: New file.
28579         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
28580         Thumb-2.
28581         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
28582         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28583         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
28584         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
28585         tables.
28586         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28587         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
28588         comptibility.
28589         * config/arm/ieee754-sf.S: Ditto.
28590         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
28591         (thumb1_base_register_rtx_p): ... to this.
28592         (thumb_index_register_rtx_p): Rename...
28593         (thumb1_index_register_rtx_p): ... to this.
28594         (thumb_output_function_prologue): Rename...
28595         (thumb1_output_function_prologue): ... to this.
28596         (thumb_legitimate_address_p): Rename...
28597         (thumb1_legitimate_address_p): ... to this.
28598         (thumb_rtx_costs): Rename...
28599         (thumb1_rtx_costs): ... to this.
28600         (thumb_compute_save_reg_mask): Rename...
28601         (thumb1_compute_save_reg_mask): ... to this.
28602         (thumb_final_prescan_insn): Rename...
28603         (thumb1_final_prescan_insn): ... to this.
28604         (thumb_expand_epilogue): Rename...
28605         (thumb1_expand_epilogue): ... to this.
28606         (arm_unwind_emit_stm): Rename...
28607         (arm_unwind_emit_sequence): ... to this.
28608         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
28609         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
28610         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
28611         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
28612         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
28613         thumb2_output_casesi): New functions.
28614         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
28615         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
28616         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
28617         THUMB2_WORK_REGS): Define.
28618         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
28619         arm_condexec_mask, arm_condexec_masklen)): New variables.
28620         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
28621         (arm_override_options): Check new CPU capabilities.
28622         Set new architecture flag variables.
28623         (arm_isr_value): Handle v7m interrupt functions.
28624         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
28625         Thumb-2.
28626         (const_ok_for_arm): Handle Thumb-2 constants.
28627         (arm_gen_constant): Ditto.  Use movw when available.
28628         (arm_function_ok_for_sibcall): Return false for v7m interrupt
28629         functions.
28630         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
28631         (thumb_find_work_register, arm_load_pic_register,
28632         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
28633         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
28634         print_multi_reg, output_mov_long_double_fpa_from_arm,
28635         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
28636         output_mov_double_fpa_from_arm, output_move_double,
28637         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
28638         output_return_instruction, arm_output_function_prologue,
28639         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
28640         arm_output_mi_thunk, thumb_set_return_address): Ditto.
28641         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
28642         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
28643         (arithmetic_instr, shift_op): Use arm_shift_nmem.
28644         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
28645         '!' and 'L'.
28646         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
28647         (thumb_expand_prologue): Use thumb_set_frame_pointer.
28648         (arm_file_start): Output directive for unified syntax.
28649         (arm_unwind_emit_set): Handle stack alignment instruction.
28650         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
28651         Add v6t2, v7, v7a, v7r and v7m.
28652         (RETLDM): Add Thumb-2 code.
28653         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
28654         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
28655         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
28656         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
28657         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
28658         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
28659         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
28660         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
28661         ADJUST_INSN_LENGTH): Define.
28662         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
28663         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
28664         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
28665         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
28666         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
28667         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
28668         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
28669         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
28670         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
28671         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
28672         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
28673         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
28674         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
28675         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
28676         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
28677         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
28678         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
28679         cortex-m3.
28680         * config/arm/arm-tune.md: Regenerate.
28681         * config/arm/arm-protos.h: Update prototypes.
28682         * config/arm/vfp.md: Enable patterns for Thumb-2.
28683         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
28684         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
28685         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
28686         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
28687         * config/arm/libunwind.S: Add Thumb-2 code.
28688         * config/arm/constraints.md: Update include Thumb-2.
28689         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
28690         * config/arm/ieee754-df.S: Ditto.
28691         * config/arm/bpabi.S: Ditto.
28692         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
28693         * config/arm/predicates.md (low_register_operand,
28694         low_reg_or_int_operand, thumb_16bit_operator): New.
28695         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
28696         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
28697         * config/arm/t-arm-elf: Add armv7 multilib.
28698         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
28699         Include thumb2.md.
28700         (UNSPEC_STACK_ALIGN, ce_count): New.
28701         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
28702         arm_zero_extendsidi2, arm_zero_extendqidi2): New
28703         insns/expanders.
28704         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
28705         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
28706         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
28707         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
28708         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
28709         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
28710         insns.
28711         * doc/extend.texi: Document ARMv7-M interrupt functions.
28712         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
28713
28714 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
28715
28716         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
28717         (struct _Unwind_Context): Rename args_size to flags, remove
28718         signal_frame field, add a new args_size field and version field.
28719         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
28720         _Unwind_IsExtendedContext): New inline functions.
28721         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
28722         Assume by_value array is only present if _Unwind_IsExtendedContext.
28723         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
28724         _Unwind_IsSignalFrame.
28725         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
28726         (uw_update_context_1): Use _Unwind_SetSignalFrame.
28727         (uw_init_context_1): Initialize context->flags to
28728         EXTENDED_CONTEXT_BIT.
28729         * config/rs6000/linux-unwind.h (frob_update_context): Use
28730         _Unwind_SetSignalFrame.
28731
28732 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28733
28734         PR middle-end/30353
28735         * gimplify.c (gimplify_modify_expr_complex_part): Move below
28736         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
28737         the value.
28738
28739 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
28740
28741         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
28742         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
28743         RET, AT_SP): Remove.
28744         * config/i386/i386.md (*sse_prologue_save_insn): Use return
28745         instead of RET.
28746
28747         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28748         * cfgbuild.c (find_basic_blocks): Likewise.
28749         * cfgrtl.c (rtl_create_basic_block): Likewise.
28750         * function.c (temp_slots_at_level): Likewise.
28751         * reg-stack.c (stack_regs_mentioned): Likewise.
28752         * regclass.c (allocate_reg_info): Likewise.
28753         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28754         set_bb_for_stmt, move_block_to_fn): Likewise.
28755         * tree-complex.c (tree_lower_complex): Likewise.
28756         * vec.h (VEC_safe_grow_cleared): New.
28757
28758         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
28759
28760 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
28761
28762         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
28763         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
28764         to loop_version.
28765         * cfgloopmanip.c (scale_loop_frequencies): Export.
28766         (loopify): Scale the frequencies by prescribed coefficients.
28767         (set_zero_probability): New function.
28768         (duplicate_loop_to_header_edge): Improve updating of frequencies.
28769         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
28770         and frequencies according to arguments.
28771         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
28772         correctly.
28773         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
28774         * modulo-sched.c (sms_schedule): Set probabilities for entering
28775         versioned loop correctly.
28776         * tree-vect-transform.c (vect_transform_loop): Ditto.
28777         * cfgloop.h (loopify, loop_version): Declaration changed.
28778         (scale_loop_frequencies): Declared.
28779
28780 2007-01-02  Jan Hubicka  <jh@suse.cz>
28781
28782         * cgraph.c: Include tree-flow.h
28783         (cgraph_add_new-function): Handle IPA_SSA mode; execute
28784         early_local_passes.
28785         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
28786         * tree-pass.h (pass_all_early_optimizations): Declare.
28787         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
28788         early_local_passes.
28789         (cgraph_analyze_function): Do early_local_passes.
28790         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28791         Do not add referenced vars.
28792         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
28793         SSA form.
28794         (gate_all_early_local_passes): New gate.
28795         (pass_early_local_passes): Use new gate.
28796         (execute_early_local_optimizations): New functions.
28797         (gate_all_early_optimizations): New gate.
28798         (pass_all_early_optimizations): New pass.
28799         (execute_free_datastructures): Free SSA only when initialized.
28800         (gate_init_datastructures): Init only when optimizing.
28801         (tree_lowering_passes): Do early local passes when called late.
28802         * tree-profile.c (do_tree_profiling): Don't profile functions added
28803         late.
28804         (do_early_tree_profiling, pass_early_tree_profile): Kill.
28805         * tree-cfg.c (update_modified_stmts): Do not update when operands are
28806         not active.
28807         * passes.c (init_optimizations_passes): Reorder so we go into SSA
28808         during early_local_passes.
28809         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
28810
28811
28812 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28813
28814         * Makefile.in: Update copyright year.
28815
28816 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28817
28818         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
28819         in $(lang_checks) and check-consistency targets.
28820
28821 2007-01-02  Jan Hubicka  <jh@suse.cz>
28822
28823         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28824         Do not add referenced vars.
28825         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
28826         are not active.
28827         * passes.c (init_optimization_passes): Put mudflap_2 after
28828         free_datastructures.
28829
28830 2007-01-02  Jan Hubicka  <jh@suse.cz>
28831
28832         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
28833         Set NOTHROW flag on call statements proved to be nothrow.
28834         Update statement of local calls so new pure/const functions are
28835         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
28836         goto receivers.
28837         (tree_rest_of_compilation): Register hooks and initialize bitmap
28838         early. Do not set after_inlining flag.
28839
28840 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
28841
28842         * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
28843         HOST_BITS_PER_LONGLONG
28844
28845 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
28846
28847         PR c/19977
28848         * c-typeck.c (store_init_value): Don't emit pedantic overflow
28849         warning for non-static initializers.
28850
28851 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
28852
28853         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
28854         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
28855         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
28856         Always use set_unique_reg_note to add REG_EQUAL notes.
28857
28858 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28859
28860         Revert:
28861         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28862
28863         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28864         * cfgbuild.c (find_basic_blocks): Likewise.
28865         * cfgrtl.c (rtl_create_basic_block): Likewise.
28866         * function.c (temp_slots_at_level): Likewise.
28867         * reg-stack.c (stack_regs_mentioned): Likewise.
28868         * regclass.c (allocate_reg_info): Likewise.
28869         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28870         set_bb_for_stmt, move_block_to_fn): Likewise.
28871         * tree-complex.c (tree_lower_complex): Likewise.
28872         * vec.h (VEC_safe_grow_cleared): New.
28873
28874 2007-01-02  Ian Lance Taylor  <iant@google.com>
28875
28876         * c-common.c (c_common_truthvalue_conversion): When warning about
28877         using an assignment as a truth value, set TREE_NO_WARNING.
28878
28879 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28880
28881         PR middle-end/7651
28882         * c.opt (Wold-style-declaration): New.
28883         * doc/invoke.texi (C-only Warning Options): New.
28884         (Wold-style-declaration): Document it.
28885         (Wextra): Enabled by -Wextra.
28886         * c-opts.c (c_common_post_options): Enabled by -Wextra.
28887         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
28888         -Wold-style-declaration.
28889
28890 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28891
28892         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28893         * cfgbuild.c (find_basic_blocks): Likewise.
28894         * cfgrtl.c (rtl_create_basic_block): Likewise.
28895         * function.c (temp_slots_at_level): Likewise.
28896         * reg-stack.c (stack_regs_mentioned): Likewise.
28897         * regclass.c (allocate_reg_info): Likewise.
28898         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28899         set_bb_for_stmt, move_block_to_fn): Likewise.
28900         * tree-complex.c (tree_lower_complex): Likewise.
28901         * vec.h (VEC_safe_grow_cleared): New.
28902
28903 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
28904
28905         * c-common.c (c_common_nodes_and_builtins): Since variants of
28906         void_type_node get built before it is given a name, we need to
28907         give those variants the name, too.
28908         (complete_array_type): We need to work with the canonical main
28909         type of the array, from which we will build the qualified version.
28910         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
28911         * print-tree.c (print_node): Display canonical type information
28912         for each type.
28913         * stor-layout.c (layout_type): When we don't know the
28914         alignment of a type for which we're building an array, we end up
28915         guessing wrong, so make the type require structural equality.
28916         * tree.c (make_node_stat): When we build a new type, it is its
28917         own canonical type.
28918         (build_type_attribute_qual_variant): When building an attribute
28919         variant, its canonical type is the non-attribute variant. However,
28920         if the attributes are target-dependent and they differ, we need to
28921         use structural equality checks for this type.
28922         (build_qualified_type): A qualified type is not equivalent to its
28923         unqualified variant; set the canonical type appropriately.
28924         (build_distinct_type_copy): When building a distinct type from
28925         another type, the new type is its own canonical type.
28926         (build_variant_type_copy): When building a new type variant, we
28927         assume that it is equivalent to the original type.
28928         (build_pointer_type_for_mode): When building a pointer type, also
28929         build a canonical type pointer.
28930         (build_reference_type_for_mode): When building a reference type,
28931         also build a canonical type reference.
28932         (build_index_type): When we can't hash an index type (e.g.,
28933         because its maximum value is negative), the index type requires
28934         structural equality tests.
28935         (build_array_type): Build the canonical form of an array type.
28936         (build_function_type): Function types require structural equality,
28937         because they contain default arguments, attributes, etc.
28938         (build_method_type_directly): Ditto for method types.
28939         (build_offset_type): Build the canonical offset type.
28940         (build_complex_type): Build the canonical vector type.
28941         (make_vector_type): Build the canonical vector type.
28942         * tree.h (TYPE_CANONICAL): New.
28943         (TYPE_STRUCTURAL_EQUALITY_P): New.
28944         (SET_TYPE_STRUCTURAL_EQUALITY): New.
28945         (struct tree_type): Added "canonical" field.
28946         * params.h (VERIFY_CANONICAL_TYPES): New.
28947         * doc/c-tree.texi (TYPE_CANONICAL): Document.
28948         (TYPE_STRUCTURAL_EQUALITY_P): Document.
28949         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
28950         * doc/invoke.texi (verify-canonical-types): Document --param
28951         parameter for verifying canonical types.
28952
28953 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28954
28955         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
28956         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
28957         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
28958         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
28959         tm_file.
28960         * config/rs6000/e500.h: New.
28961         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
28962         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
28963         Remove.
28964         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
28965         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
28966         TARGET_E500_DOUBLE): Remove.
28967         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
28968         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
28969         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
28970         * config/rs6000/rs6000.c (rs6000_override_options): Use
28971         CHECK_E500_OPTIONS.
28972
28973 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28974
28975         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
28976         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
28977         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
28978         rs6000_emit_cmove): Don't check TARGET_E500.
28979         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
28980         sordered): Don't check TARGET_E500.
28981
28982 2007-01-01  Eric Christopher  <echristo@apple.com>
28983
28984         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
28985         HARD_REGISTER_NUM_P.
28986
28987 2007-01-01  Roger Sayle  <roger@eyesopen.com>
28988
28989         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
28990         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
28991         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
28992         eq/ne Y".
28993
28994 2007-01-01  Mike Stump  <mrs@apple.com>
28995
28996         * configure.ac: Remove support for building with Apple's gcc-3.1.
28997
28998 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28999
29000         PR middle-end/30311
29001         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
29002         REG is a hard register.  Do not modify REG before calling
29003         subreg_nregs.
29004         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
29005         multiple of the size of YMODE for certain lowpart cases.
29006
29007 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
29008
29009         PR middle-end/30253
29010         * gimplify (voidify_wrapper_expr): Update for
29011         GIMPLE_MODIFY_STMT.
29012
29013 2007-01-01  Andreas Schwab  <schwab@suse.de>
29014
29015         PR target/29166
29016         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
29017         save of BR0 in extra_spill_size instead of spill_size.
29018         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
29019         area.
29020         (ia64_expand_epilogue): Restore BR0 from its new location.
29021
29022 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
29023
29024         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
29025         Use a temporary variable if the left hand side is not a gimple
29026         register.
29027
29028 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
29029
29030         * gimplify.c (gimplify_return_expr): Make the temporary variable
29031         for the return expression, a gimple register variable.
29032
29033 2007-01-01  Jan Hubicka  <jh@suse.cz>
29034
29035         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
29036         INSN_LIST.
29037
29038 2007-01-01  Mike Stump  <mrs@apple.com>
29039
29040         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
29041         .literal16.
29042         * config/darwin.c (machopic_select_rtx_section): Use
29043         HAVE_GAS_LITERAL16.
29044         (darwin_mergeable_constant_section): Likewise.
29045         * configure: Regenerate.
29046         * config.in: Regenerate.
29047
29048 2007-01-01  Jan Hubicka  <jh@suse.cz>
29049             Andrew Pinski  <pinskia@gmail.com>
29050
29051         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
29052         before starting IPA passes.