gcc/ChangeLog

   1 2007-10-01  Alexandre Oliva  <aoliva@redhat.com>
   2
   3         PR middle-end/22156
   4         * tree-sra.c (struct sra_elt): Add in_bitfld_block.
   5         (sra_hash_tree): Handle BIT_FIELD_REFs.
   6         (sra_elt_hash): Don't hash bitfld blocks.
   7         (sra_elt_eq): Skip them in parent compares as well.  Handle
   8         BIT_FIELD_REFs.
   9         (build_element_name_1): Handle BIT_FIELD_REFs.
  10         (instantiate_element): Propagate nowarn from parents.  Create
  11         BIT_FIELD_REF for variables that are widened by scalarization.
  12         Gimple-zero-initialize all bit-field variables that are not
  13         part of parameters that are going to be scalarized on entry.
  14         (instantiate_missing_elements_1): Return the sra_elt.
  15         (canon_type_for_field): New.
  16         (try_instantiate_multiple_fields): New.  Infer widest possible
  17         access mode from decl or member type, but clip it at word
  18         size, and only widen it if a field crosses an alignment
  19         boundary.
  20         (instantiate_missing_elements): Use them.
  21         (generate_one_element_ref): Handle BIT_FIELD_REFs.
  22         (scalar_bitfield_p): New.
  23         (sra_build_assignment): Optimize assignments from scalarizable
  24         BIT_FIELD_REFs.  Use BITS_BIG_ENDIAN to determine shift
  25         counts.
  26         (REPLDUP): New.
  27         (sra_build_bf_assignment): New.  Optimize assignments to
  28         scalarizable BIT_FIELD_REFs.
  29         (sra_build_elt_assignment): New.  Optimize BIT_FIELD_REF
  30         assignments to full variables.
  31         (generate_copy_inout): Use the new macros and functions.
  32         (generate_element_copy): Likewise.  Handle bitfld differences.
  33         (generate_element_zero): Don't recurse for blocks.  Use
  34         sra_build_elt_assignment.
  35         (generate_one_element_init): Take elt instead of var.  Use
  36         sra_build_elt_assignment.
  37         (generate_element_init_1): Adjust.
  38         (bitfield_overlap_info): New struct.
  39         (bitfield_overlaps_p): New.
  40         (sra_explode_bitfield_assignment): New.  Adjust widened
  41         variables to account for endianness.
  42         (sra_sync_for_bitfield_assignment): New.
  43         (scalarize_use): Re-expand assignment to/from scalarized
  44         BIT_FIELD_REFs.  Explode or sync needed members for
  45         BIT_FIELD_REFs accesses or assignments.  Use REPLDUP.
  46         (scalarize_copy): Use REPLDUP.
  47         (scalarize_ldst): Move assert before dereference.  Adjust EH
  48         handling.
  49         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
  50
  51 2007-10-01  Paolo Bonzini  <bonzini@gnu.org>
  52
  53         * simplify-rtx.c (comparison_result, simplify_relational_operation_1):
  54         Rename CR_* constants to CMP_*.  Fix spacing.
  55
  56 2007-10-01  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  57
  58         PR other/33585
  59         * Makefile.in (build_html_dir/gccinstall): gccinstall.texi needs
  60         to be processed with the special script doc/install.texi2html.
  61
  62 2007-09-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  63
  64         * doc/invoke.texi (Wall): List the options enabled by Wall.
  65         (Wstrict-aliasing): Add missing @option.
  66
  67 2007-09-30  Richard Sandiford  <rsandifo@nildram.co.uk>
  68
  69         * config/mips/mips.c (mips_split_64bit_move): Use gen_rtx_REG_offset
  70         rather than gen_lowpart to change a register from DImode to DFmode.
  71         (mips_cannot_change_mode_class): Only allow FPRs to change mode if
  72         both FROM and TO are integer modes that are no bigger than 4 bytes.
  73         (mips_mode_ok_for_mov_fmt_p): New function.
  74         (mips_preferred_reload_class): Use it instead of FLOAT_MODE_P.
  75         (mips_secondary_reload_class): Tweak formatting and comments.
  76         Use reg_class_subset_p instead of direct comparisons with
  77         classes.  Only allow direct FPR<->FPR moves for modes that
  78         satisfy mips_mode_ok_for_mov_fmt_p.  Only allow loads and stores
  79         for 4- and 8-byte types.  Handle reloads in which X is an FPR.
  80         * config/mips/mips.md (*movdi_gp32_fp64): Remove f<-f alternative.
  81         (*movdi_64bit): Likewise.
  82         (*movsi_internal): Likewise.
  83         (*movhi_internal): Likewise.
  84         (*movqi_internal): Likewise.
  85
  86 2007-09-30  Diego Novillo  <dnovillo@google.com>
  87
  88         PR 33593
  89         * tree-ssa-ter.c (is_replaceable_p): Return false if STMT may
  90         throw an exception.
  91
  92 2007-09-30  Uros Bizjak  <ubizjak@gmail.com>
  93
  94         PR tree-optimization/33597
  95         * tree-vect-analyze.c (vect_build_slp_tree): Check if optab handler
  96         for LSHIFT_EXPR and RSHIFT_EXPR is available for vec_mode.
  97
  98 2007-09-28  Uros Bizjak  <ubizjak@gmail.com>
  99
 100         * config/i386/i386.c (ix86_expand_move): Use can_create_pseudo_p ()
 101         instead of variants of (!reload_in_progress && !reload_completed).
 102         (x86_expand_vector_move): Ditto.
 103
 104 2007-09-28  Ollie Wild  <aaw@google.com>
 105
 106         Revert
 107         2007-09-27  Ollie Wild  <aaw@google.com>
 108
 109         * varasm.c (compare_constant): Removed call to
 110         lang_hooks.expand_constant.
 111         (copy_constants): Removed call to lang_hooks.expand_constant.
 112         (compute_reloc_for_constant): Removed call to
 113         lang_hooks.expand_constant.
 114         (output_addressed_constants): Removed call to
 115         lang_hooks.expand_constant.
 116         (constructor_static_from_elts_p): Removed call to
 117         lang_hooks.expand_constant.
 118         (output_constant): Removed calls to lang_hooks.expand_constant.
 119         * langhooks.h (struct lang_hooks): Removed field expand_constant.
 120         * langhooks-def.h (lhd_return_tree): Removed.
 121         (LANG_HOOKS_EXPAND_CONSTANT): Removed.
 122         (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
 123         * langhooks.c (lhd_return_tree): Removed.
 124
 125 2007-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 126
 127         PR target/33347
 128         * config/spu/spu.c (spu_expand_insv): Call copy_rtx on the second
 129         argument to gen_selb.
 130
 131 2007-09-28  Chao-ying Fu  <fu@mips.com>
 132
 133         * libgcc-std.ver: Add fixed-point routines to GCC_4.3.0 section.
 134         * doc/libgcc.texi (Fixed-point fractional library routines):
 135         Fix typos for neg and cmp functions.
 136
 137 2007-09-28  Michael Matz  <matz@suse.de>
 138
 139         PR rtl-optimization/33552
 140         * function.c (match_asm_constraints_1): Check for overlap in
 141         inputs and replace all occurences.
 142
 143 2007-09-28  Richard Sandiford  <rsandifo@nildram.co.uk>
 144
 145         * config/mips/mips.c (override_options): Fix comment typo.
 146
 147 2007-09-28  Jie Zhang  <jie.zhang@analog.com>
 148
 149         * config.gcc (bfin*-linux-uclibc*): Set extra_parts
 150         to "crtbegin.o crtbeginS.o crtend.o crtendS.o".
 151         * config/bfin/t-bfin-linux (crti.o): Don't build.
 152         (crtn.o): Likewise.
 153         (EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o.
 154         * config/bfin/t-bfin-uclinux (crti.o): Don't build.
 155         (crtn.o): Likewise.
 156         (EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o.
 157
 158 2007-09-27  Ollie Wild  <aaw@google.com>
 159
 160         * varasm.c (compare_constant): Removed call to
 161         lang_hooks.expand_constant.
 162         (copy_constants): Removed call to lang_hooks.expand_constant.
 163         (compute_reloc_for_constant): Removed call to
 164         lang_hooks.expand_constant.
 165         (output_addressed_constants): Removed call to
 166         lang_hooks.expand_constant.
 167         (constructor_static_from_elts_p): Removed call to
 168         lang_hooks.expand_constant.
 169         (output_constant): Removed calls to lang_hooks.expand_constant.
 170         * langhooks.h (struct lang_hooks): Removed field expand_constant.
 171         * langhooks-def.h (lhd_return_tree): Removed.
 172         (LANG_HOOKS_EXPAND_CONSTANT): Removed.
 173         (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
 174         * langhooks.c (lhd_return_tree): Removed.
 175
 176 2007-09-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 177
 178         PR middle-end/33436
 179         * expr.c (emit_group_load_1): Split constant double when destination
 180         length is half source length.
 181
 182 2007-09-27  Richard Sandiford  <rsandifo@nildram.co.uk>
 183
 184         * config/mips/mips.h (PTF_AVOID_BRANCHLIKELY): New macro.
 185         (mips_cpu_info): Add tune_flags.
 186         (GENERATE_BRANCHLIKELY): Remove TARGET_SR71K check.
 187         * config/mips/mips.c (mips_cpu_info_table): Add tune_flags fields.
 188         Remove end marker.
 189         (override_options): Remove deprecation code.  Use branch-likely
 190         instructions for optimize_size or if the tuning flags do not
 191         suggest otherwise.  Tweak warning.
 192         (mips_matching_cpu_name_p, mips_parse_cpu): Use ARRAY_SIZE.
 193
 194 2007-09-27  Matthias Klose  <doko@ubuntu.com>
 195
 196         * config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
 197         multilib osdirname if it exists.
 198         * config/rs6000/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.
 199
 200 2007-09-27  Ian Lance Taylor  <iant@google.com>
 201
 202         PR tree-optimization/33565
 203         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING on
 204         assignments of comparisons.
 205         * tree-ssa-sccvn.c (simplify_binary_expression): Add stmt
 206         parameter.  Change caller.  Defer overflow warnings around call to
 207         fold_binary.
 208         * fold-const.c (fold_undefer_overflow_warnings): Don't warn if
 209         TREE_NO_WARNING is set on the statement.
 210         * tree-ssa-forwprop.c
 211         (tree_ssa_forward_propagate_single_use_vars): Don't test
 212         TREE_NO_WARNING when calling fold_undefer_overflow_warnings.
 213         * tree-cfg.c (fold_cond_expr_cond): Likewise.
 214
 215 2007-09-27  Joseph Myers  <joseph@codesourcery.com>
 216
 217         * config/rs6000/rs6000.c (rs6000_legitimize_address): Do not
 218         reduce offset by units of 0x10000 for SPE vector modes or modes
 219         used with E500 double instructions.
 220
 221 2007-09-04  Paolo Bonzini  <bonzini@gnu.org>
 222
 223         * simplify-rtx.c (comparison_result): New.
 224         (simplify_const_relational_operation): Use it instead of the five
 225         "equal|op[01]ltu?" variables; consequently remove redundant "else"s.
 226         Improve bounds-checking optimizations; remove subsumed POPCOUNT
 227         optimizations.  Extract nonzero_address_p optimizations into a
 228         separate "if" together with optimizations where op1 is const0_rtx.
 229         Optimize comparing an IOR with zero.  Simplify op0 RELOP op0 for
 230         floating-point arguments too when appropriate.  Hoist test for ABS
 231         outside the final switch statement.
 232         * cse.c (fold_rtx): Don't look for an IOR equivalent of
 233         folded_arg0 if we found a constant equivalent.  Remove
 234         transformations done in simplify-rtx.c for "op0 RELOP op0".
 235
 236 2007-09-27  Jakub Jelinek  <jakub@redhat.com>
 237
 238         * builtins.c (expand_builtin, expand_builtin_object_size,
 239         expand_builtin_memory_chk, maybe_emit_chk_warning,
 240         maybe_emit_sprintf_chk_warning): Use new %K format string specifier
 241         for diagnostics.
 242         * expr.c (expand_expr_real_1): Likewise.
 243         * langhooks-def.h (struct diagnostic_info): Add forward decl.
 244         (lhd_print_error_function): Add third argument.
 245         * langhooks.h (struct diagnostic_info): Add forward decl.
 246         (struct lang_hooks): Add third argument to print_error_function.
 247         * diagnostic.h (diagnostic_info): Add abstract_origin field.
 248         (diagnostic_last_function_changed, diagnostic_set_last_function): Add
 249         second argument.
 250         (diagnostic_report_current_function): Likewise.
 251         * toplev.c (announce_function): Pass NULL as second argument to
 252         diagnostic_set_last_function.
 253         * diagnostic.c (diagnostic_report_current_function): Add second
 254         argument, pass it as third argument to lang_hooks.print_error_function.
 255         (default_diagnostic_starter): Pass DIAGNOSTIC as second argument
 256         to diagnostic_report_current_function.
 257         (diagnostic_report_diagnostic): Initialize diagnostic->abstract_origin
 258         and message.abstract_origin.
 259         (verbatim): Initialize abstract_origin.
 260         * pretty-print.h (text_info): Add abstract_origin field.
 261         * pretty-print.c (pp_base_format): Handle %K.
 262         * langhooks.c (lhd_print_error_function): Add third argument.  If
 263         diagnostic->abstract_origin, print virtual backtrace.
 264         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
 265         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Support %K.
 266         (init_dynamic_diag_info): Likewise.
 267
 268 2007-09-26  David Daney  <ddaney@avtrex.com>
 269
 270         PR target/33479
 271         * config/mips/mips.md (sync_compare_and_swap<mode>, sync_old_add<mode>,
 272         sync_new_add<mode>, sync_old_<optab><mode>, sync_new_<optab><mode>,
 273         sync_old_nand<mode>, sync_new_nand<mode>,
 274         sync_lock_test_and_set<mode>): Fix '&' constraint modifiers.
 275         Update length attributes.
 276         (sync_add<mode>, sync_sub<mode>, sync_old_sub<mode>,
 277         sync_new_sub<mode>, sync_<optab><mode>, sync_nand<mode>): Update
 278         length attributes.
 279         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP,
 280         MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND,
 281         MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Add
 282         post-loop sync.
 283
 284 2007-09-26  Richard Guenther  <rguenther@suse.de>
 285
 286         PR tree-optimization/33563
 287         * tree-ssa-dse.c (get_use_of_stmt_lhs): Rename to ...
 288         (get_kill_of_stmt_lhs): ... this.  Re-structure.  Handle
 289         aggregate stores.
 290         (dse_optimize_stmt): Call get_kill_of_stmt_lhs instead of
 291         get_use_of_stmt_lhs.
 292
 293 2007-09-26  Joseph Myers  <joseph@codesourcery.com>
 294
 295         PR c/25309
 296         * c-common.c (complete_array_type): Diagnose too-large arrays and
 297         set type to error_mark_node.
 298
 299 2007-09-26  Richard Guenther  <rguenther@suse.de>
 300
 301         PR tree-optimization/30375
 302         PR tree-optimization/33560
 303         * tree-ssa-dse.c (get_use_of_stmt_lhs): Give up on uses
 304         with calls.
 305
 306         Revert
 307         2006-05-22  Aldy Hernandez  <aldyh@redhat.com>
 308
 309         * tree-ssa-dse.c (aggregate_vardecl_d): New.
 310         (dse_global_data): Add aggregate_vardecl field.
 311         (dse_possible_dead_store_p): New.
 312         Add prev_defvar variable.
 313         Allow immediate uses and previous immediate uses to differ
 314         if they are setting different parts of the whole.
 315         (get_aggregate_vardecl): New.
 316         (dse_record_partial_aggregate_store): New.
 317         (dse_whole_aggregate_clobbered_p): New.
 318         (dse_partial_kill_p): New.
 319         Call dse_maybe_record_aggregate_store().
 320         When checking whether a STMT and its USE_STMT refer to the
 321         same memory address, check also for partial kills that clobber
 322         the whole.
 323         Move some variable definitions to the block where they are used.
 324         (aggregate_vardecl_hash): New.
 325         (aggregate_vardecl_eq): New.
 326         (aggregate_vardecl_free): New.
 327         (aggregate_whole_store_p): New.
 328         (tree_ssa_dse): Initialize and free aggregate_vardecl.
 329         Mark which aggregate stores we care about.
 330
 331 2007-09-25  DJ Delorie  <dj@redhat.com>
 332
 333         PR target/33551
 334         * config/m32c/m32c.c (m32c_immd_dbl_mov): Use INTVAL instead of
 335         XINT.
 336
 337 2007-09-25  Michael Meissner  <michael.meissner@amd.com>
 338
 339         PR target/33524
 340         * config/i386/i386.c (ix86_expand_sse5_unpack): Change to call
 341         gen_sse5_pperm_sign_v4si_v2di and gen_sse5_pperm_zero_v4si_v2di
 342         for vector int32 -> int64 conversions.  Don't write beyond the end
 343         of the allocated vector for int32 -> int64 conversions.
 344
 345 2007-09-25  Revital Eres  <eres@il.ibm.com>
 346
 347         * config/rs6000/paired.h (paired_sel): New.
 348         * config/rs6000/rs6000.c (bdesc_3arg): Add selv2sf4.
 349         (rs6000_expand_ternop_builtin): Pass zero const_double operand
 350         when expanding selv2sf.
 351         * config/rs6000/rs6000.h (rs6000_builtins): Add
 352         PAIRED_BUILTIN_SELV2SF4.
 353
 354 2007-09-25  Joseph Myers  <joseph@codesourcery.com>
 355
 356         PR c/32295
 357         * c-typeck.c (default_conversion): Call require_complete_type
 358         before perform_integral_promotions.
 359         (build_unary_op): Call require_complete_type except for ADDR_EXPR.
 360         (build_c_cast): Call require_complete_type except for casts to
 361         void types.
 362         (convert_for_assignment): Call require_complete_type.
 363
 364 2007-09-25  Revital Eres  <eres@il.ibm.com>
 365
 366         * config/spu/spu.md: Fix doloop pattern.
 367
 368 2007-09-25  Bernd Schmidt  <bernd.schmidt@analog.com>
 369
 370         * config/bfin/bfin.c (expand_prologue_reg_save,
 371         expand_epilogue_reg_restore): Code to save and restore I/M/B/L regs and
 372         ASTAT moved here...
 373         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
 374         ... from here.  New argument ALL; callers changed.
 375         (n_regs_saved_by_prologue): Count ASTAT for plain saveall functions.
 376         (bfin_expand_prologue, bfin_expand_epilogue): Deal with functions that
 377         have the "saveall" attribute.
 378
 379 2007-09-25  Hans-Peter Nilsson  <hp@bitrange.com>
 380
 381         * config/mmix/mmix.h (FUNCTION_INCOMING_ARG_REGNO_P): Don't define
 382         bogus target macro.
 383         (INCOMING_REGNO, OUTGOING_REGNO): Define.
 384         * config/mmix/mmix.c (mmix_opposite_regno): New function.
 385         * config/mmix/mmix-protos.h (mmix_opposite_regno): Prototype.
 386
 387         * config/mmix/mmix.md ("*cmpcc_folded"): In condition, gate
 388         with REG_P tests before REGNO access.
 389
 390 2007-09-24  DJ Delorie  <dj@redhat.com>
 391
 392         PR target/31482
 393         * config/m32c/cond.md (stzx_reversed_<mode>): Add an output
 394         constraint.
 395         (movqicc_<code>_<mode>): Likewise.
 396         (movhicc_<code>_<mode>): Likewise.
 397
 398 2007-09-24  Rask Ingemann Lambertsen  <rask@sygehus.dk>
 399
 400         PR target/33184
 401         * config/m32c/m32c.c (m32c_eh_return_data_regno): Leave an address
 402         register for reload.
 403
 404 2007-09-24  Danny Smith  <dannysmith@user.sourceforge.net>
 405
 406         PR c++/14688
 407         * config/i386/i386.c (ix86_comp_type_attributes): Check
 408         METHOD_TYPE too.
 409
 410 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 411
 412         * config/m68k/m68k.h (ASM_OUTPUT_ALIGN_WITH_NOP): New, use
 413         "move.l %a4,%a4" to produce nops.
 414         * config/m68k/m68k.c (override_options): Reset align options,
 415         if neccessary align macro isn't avaible.
 416
 417 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 418
 419         config/m68k/linux.h (PREFERRED_STACK_BOUNDARY): New.
 420
 421 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 422
 423         * config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave
 424         the basic block.
 425         * config/m68k/m68k.md (movsi_m68k): Allow certain constant when
 426         reload is completed.
 427         (peephole pattern): Convert most of them to RTL peephole pattern.
 428
 429 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 430
 431         * config/m68k/m68k.c (notice_update_cc): Recognize fp compare
 432         (moved from fp compare patterns).
 433         * config/m68k/m68k.md (cmp<mode>, cmp<mode>_68881, cmp<mode>_cf):
 434         Cleanup predicates to relieve reload.
 435         (conditional_trap): Reject conditional trap with fp condition.
 436         * gcc/config/m68k/predicates.md (fp_src_operand): New, reject
 437         certain constants early.
 438
 439 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 440
 441         * gcc/final.c (final_scan_insn): Remove accidentally duplicated code.
 442
 443 2007-09-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 444
 445         * config.gcc (powerpc*-*-*): --with-cpu=cell is a 64bit CPU.
 446         Allow --with-tune=cell and --with-cpu=cell.
 447
 448 2007-09-24  David Edelsohn  <edelsohn@gnu.org>
 449
 450         * config/rs6000/rs6000-protos.h (rs6000_emit_swrsqrtsf): Declare.
 451         * config/rs6000/rs6000.opt (swdiv): Change option to ...
 452         (recip): this.
 453         * config/rs6000/rs6000.c (rs6000_builtin_reciprocal): New
 454         function.
 455         (TARGET_BUILTIN_RECIPROCAL): Use it.
 456         (rs6000_builtin_expand): Expand recip, recipf, and rsqrtf.
 457         (rs6000_init_builtins): Initialize recip, recipf, and rsqrtf.
 458         (rs6000_emit_swrsqrtsf): New.
 459         * config/rs6000/rs6000.h (rs6000_builtins): Add recip, recipf, and
 460         rsqrtf.
 461         * config/rs6000/rs6000.md (UNSPEC_RSQRT): Define.
 462         (divsf3): Remove swdiv support.
 463         (recipsf3): New.
 464         (rsqrtsf2): New.
 465         (rsqrt_internal1): New.
 466         (divdf3): Remove swdiv support.
 467         (reciptdf3): New.
 468
 469 2007-09-24  Jakub Jelinek  <jakub@redhat.com>
 470
 471         PR c++/33506
 472         * langhooks.h (struct lang_hooks_for_types): Add type_hash_eq
 473         field.
 474         * langhooks-def.h (LANG_HOOKS_TYPE_HASH_EQ): Define.
 475         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_TYPE_HASH_EQ.
 476         * tree.c (type_hash_eq): For FUNCTION_TYPE use
 477         lang_hooks.type.type_hash_eq in addition to generic tests.
 478
 479 2007-09-24  Pranav Bhandarkar  <pranav.bhandarkar@celunite.com>
 480         Ramana Radhakrishnan  <ramana@hercules.pun.celunite.com>
 481
 482         * tree-inline.h (eni_weights): Add field target_builtin_cost to
 483         reflect the cost per call to a target specific builtin.
 484         * tree-inline.c (estimate_num_insns_1): If it is a CALL_EXPR for a
 485         call to a target specific builtin, then use target_builtin_call_cost.
 486         (init_inline_once): Initialize target_builtin_call_cost field.
 487
 488 2007-09-24  Kai Tietz  <kai.tietz@onevision.com>
 489
 490         PR middle-end/33472
 491         * config/i386/i386.c (return_in_memory_ms_64): Handle return types for
 492         complex types.
 493
 494 2007-09-23  H.J. Lu  <hongjiu.lu@intel.com>
 495
 496         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
 497         * configure: Regenerated.
 498
 499 2007-09-23  Ollie Wild  <aaw@google.com>
 500
 501         * fold-const.c (fold_binary): Fold BIT_AND_EXPR's with a pointer
 502         operand.
 503         (get_pointer_modulus_and_residue): New function.
 504
 505 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 506
 507         * config/mips/mips.c (build_mips16_call_stub): On 64-bit targets,
 508         combine an SC return value into a single register.
 509
 510 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 511
 512         * opth-gen.awk (target_flags_explicit): Declare.
 513         * toplev.h (target_flags_explicit): Delete declaration.
 514         * toplev.c (target_flags): Likewise.
 515         * config/mips/mips.h (mips_llsc_setting, mips_llsc): Delete.
 516         (GENERATE_SYNC, GENERATE_LL_SC): Redefine using target_explicit_flags.
 517         Never return true for TARGET_MIPS16.
 518         * config/mips/mips.c (mips_llsc): Delete.
 519         (mips_handle_option): Remove -mllsc handling.
 520         (mips_strip_unspec_address): Tweak comment.
 521         * config/mips/mips.opt (mllsc): Use a target mask.
 522
 523 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 524
 525         * doc/tm.texi (POINTERS_EXTEND_UNSIGNED): Document extensions to
 526         word_mode as well as Pmode.
 527
 528 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 529
 530         * function.c (assign_parm_setup_block): Explicitly convert BLKmode
 531         parameters from word_mode to the subword type if such a truncation
 532         is not a no-op.
 533
 534 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
 535
 536         * configure.ac (MAKEINFO): Handle makeinfo version 4.10 and above.
 537         * configure: Regenerated.
 538
 539 2007-09-23  Jan Hubicka  <jh@suse.cz>
 540
 541         * params.def (INLINE_CALL_COST): Set to 12.
 542         * invoke.texi (inline-call-cost): Update default value.
 543
 544 2007-09-23  Eric Botcazou  <ebotcazou@adacore.com>
 545
 546         * config/alpha/alpha.md (movti): Use operand_subword for the split.
 547
 548 2007-09-23  Ayal Zaks  <zaks@il.ibm.com>
 549             Revital Eres  <eres@il.ibm.com>
 550
 551         * modulo-sched.c (doloop_register_get): Rewrite the loop which
 552         checks whether the count_reg is found outside the control part.
 553
 554 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
 555
 556         * expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
 557         instead of checking CALL_EXPR_FN directly to test for builtins.
 558         If error or warning attributes are present, print
 559         error resp. warning.
 560         * c-common.c (handle_error_attribute): New function.
 561         (c_common_attribute_table): Add error and warning
 562         attributes.
 563         * doc/extend.texi: Document error and warning attributes.
 564
 565         * tree.h (block_nonartificial_location): New prototype.
 566         * tree.c (block_nonartificial_location): New function.
 567         * dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial
 568         if artificial attribute is present on abstract inline decl.
 569         * c-common.c (handle_artificial_attribute): New function.
 570         (c_common_attribute_table): Add artificial attribute.
 571         * final.c (override_filename, override_linenum): New variables.
 572         (final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename
 573         and override_linenum if inside of a block inlined from
 574         __attribute__((__artificial__)) function.
 575         (notice_source_line): Honor override_filename and override_linenum.
 576         * doc/extend.texi: Document __attribute__((__artificial__)).
 577         * config/i386/emmintrin.h: Add __artificial__ attribute to
 578         all __always_inline__ functions.
 579         * config/i386/mmintrin.h: Likewise.
 580         * config/i386/tmmintrin.h: Likewise.
 581         * config/i386/mm3dnow.h: Likewise.
 582         * config/i386/pmmintrin.h: Likewise.
 583         * config/i386/ammintrin.h: Likewise.
 584         * config/i386/xmmintrin.h: Likewise.
 585         * config/i386/smmintrin.h: Likewise.
 586         * config/i386/bmmintrin.h: Likewise.
 587         * config/i386/mmintrin-common.h: Likewise.
 588
 589         PR middle-end/28755
 590         * expr.c (expand_constructor): New function.
 591         (expand_expr_real_1) <case CONSTRUCTOR>: Call it.
 592         (expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is
 593         CONSTRUCTOR.
 594
 595 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 596
 597         * config/mips/mips.c (dump_constants_1): Generalize to include
 598         fractional and accumulator modes.
 599
 600 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 601
 602         * config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros.
 603         * config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP
 604         flags for MIPS16.
 605         (override_options): Check TARGET_HARD_FLOAT_ABI instead of
 606         TARGET_HARD_FLOAT when testing whether -mpaired-single is
 607         supported.
 608         (mips_conditional_register_usage): Check ISA_HAS_DSP instead of
 609         TARGET_DSP.
 610         * config/mips/constraints.md (ka): Check ISA_HAS_DSPR2 instead of
 611         TARGET_DSPR2.
 612         * config/mips/mips.md (ANYF): Require TARGET_HARD_FLOAT for V2SF.
 613         (mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require
 614         TARGET_HARD_FLOAT.
 615         (<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check
 616         ISA_HAS_DSPR2 instead of TARGET_HAS_DSPR2.
 617         * config/mips/mips-dsp.md: Use ISA_HAS_DSP instead of TARGET_HAS_DSP
 618         throughout.
 619         * config/mips/mips-dspr2.md: Likewise ISA_HAS_DSPR2 and
 620         TARGET_HAS_DSPR2.
 621         * config/mips/mips-fixed.md: Use ISA_HAS_DSP and ISA_HAS_DSPR2
 622         instead of TARGET_HAS_DSP and TARGET_HAS_DSPR2.
 623         * config/mips/mips-ps-3d.md: Add TARGET_HARD_FLOAT to V2SF patterns.
 624
 625 2007-09-22  Jason Merrill  <jason@redhat.com>
 626
 627         PR c++/19407
 628         * attribs.c (lookup_attribute_spec): Split out...
 629         (decl_attributes): From here.
 630         * tree.h: Declare it.
 631
 632 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 633
 634         * doc/sourcebuild.texi: Document dg-add-options mips16_attribute.
 635
 636 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
 637
 638         * tree-inline.c (remap_type_1): Correctly chain variants.
 639
 640 2007-09-22  Richard Guenther  <rguenther@suse.de>
 641
 642         PR tree-optimization/33146
 643         * fold-const.c (fold_binary): Use the original tree
 644         for negating.
 645         * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
 646         also changes "sign".
 647
 648 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
 649
 650         PR target/32325
 651         * except.c (finish_eh_generation): Call commit_edge_insertions if
 652         there are insns queued on the entry edge.
 653         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
 654         the entry edge.
 655
 656 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 657
 658         * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.
 659
 660 2007-09-19  Michael Meissner  <michael.meissner@amd.com>
 661
 662         * gcc/config/i386/i386.c: Delete trailing whitespace.
 663         * gcc/config/i386/i386.h: Ditto.
 664         * gcc/config/i386/bmmintrin.h: Ditto.
 665         * gcc/config/i386/sync.md: Ditto.
 666         * gcc/config/i386/ppro.md: Ditto.
 667         * gcc/config/i386/mmx.md: Ditto.
 668         * gcc/config/i386/constraints.md: Ditto.
 669         * gcc/config/i386/sse.md: Ditto.
 670         * gcc/config/i386/athlon.md: Ditto.
 671         * gcc/config/i386/i386.md: Ditto.
 672
 673 2007-09-21  Richard Guenther  <rguenther@suse.de>
 674
 675         PR tree-optimization/33508
 676         * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
 677         quadratic loop by keeping a bitmap of variables we have
 678         to clobber all subvariables for.
 679         (set_initial_properties): Likewise.
 680
 681 2007-09-21  Richard Sandiford  <rsandifo@nildram.co.uk>
 682
 683         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.
 684
 685 2007-09-20  Nigel Stephens  <nigel@mips.com>
 686             Chao-ying Fu  <fu@mips.com>
 687
 688         * c-decl.c (finish_declspecs): When _Sat is used without
 689         _Fract or _Accum, set the default type to cts_fract.
 690         This avoids a warning of "type defaults to int".
 691
 692 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
 693
 694         * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
 695         bit-fields wider than one bit.
 696
 697 2007-09-20  Jakub Jelinek  <jakub@redhat.com>
 698
 699         PR debug/33316
 700         * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
 701         DECL_NAME.
 702         * dbxout.c (dbxout_type): Likewise.
 703
 704         PR c/33238
 705         PR c/27301
 706         * gimplify.c (gimplify_vla_decl): New function.
 707         (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
 708         Call it.
 709         (gimplify_target_expr): Handle variable length TARGET_EXPRs.
 710
 711 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 712
 713         * doc/invoke.texi (-minterlink-mips16): Document.
 714         * config/mips/mips.opt (minterlink-mips16): New option.
 715         * config/mips/mips.c (mips_function_ok_for_sibcall): Handle
 716         -minterlink-mips16
 717
 718 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
 719
 720         * doc/extend.texi (Attribute Syntax): Remove old speculative
 721         future direction.
 722
 723 2007-09-20  Mark Shinwell  <shinwell@codesourcery.com>
 724
 725         * combine.c: Include cgraph.h.
 726         (setup_incoming_promotions): Rework to allow more aggressive
 727         elimination of sign extensions when all call sites of the
 728         current function are known to lie within the current unit.
 729
 730 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 731
 732         * dse.c (find_shift_sequence): No-op rework of control flow.
 733
 734 2007-09-19  Richard Sandiford  <rsandifo@nildram.co.uk>
 735
 736         * config/mips/mips.c (build_mips16_call_stub): Tidy.  Fix second
 737         GPR for DCmode on 64-bit targets.  Remove redundant fallback.
 738
 739 2007-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 740
 741         * cfgexpand.c (dump_stack_var_partition): Use the correct
 742         index for the offset.
 743
 744 2007-09-19  Joseph Myers  <joseph@codesourcery.com>
 745
 746         * config/mips/sde.h: Switch to GPLv3.
 747
 748 2007-09-19  Eric Botcazou  <ebotcazou@adacore.com>
 749
 750         * tree-sra.c (decide_block_copy): Decide if there are groups.
 751
 752 2007-09-19  Roman Zippel <zippel@linux-m68k.org>
 753
 754         * config/m68k/m68k.c (output_move_himode): Remove jump table
 755         recognition.
 756         config/m68k/m68k.md (lea): Likewise.
 757         * config/m68k/m68k.c (print_operand_address): Use simple pc
 758         relative addressing.
 759
 760 2007-09-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 761
 762         * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
 763         * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument
 764         default definition.
 765         (asm_insn_count): Pass template as second argument to it.
 766         * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 767         * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 768         * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 769         * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 770         * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 771         (sh_insn_length_adjustment): Pass template as second argument to it.
 772         * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.
 773
 774         * config/bfin/bfin.md (define_asm_attributes): New.
 775
 776 2007-09-19  Jie Zhang  <jie.zhang@analog.com>
 777
 778         * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
 779         to tm_file.
 780         * config/bfin/print-sysroot-suffix.sh: New.
 781         * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
 782         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 783         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 784         * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
 785         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 786         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 787         * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
 788         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 789         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 790         (linux-sysroot-suffix.h): New target.
 791         * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
 792         (mspecld-anomaly): Likewise.
 793         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
 794         (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
 795         BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542,
 796         BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549.
 797         (bfin_si_revision): Declare.
 798         (bfin_workarounds): Declare.
 799         (WA_SPECULATIVE_LOADS): Define.
 800         (ENABLE_WA_SPECULATIVE_LOADS): Define.
 801         (WA_SPECULATIVE_SYNCS): Define.
 802         (ENABLE_WA_SPECULATIVE_SYNCS): Define.
 803         * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
 804         (LIB_SPEC): Add %s to the linker scripts.
 805         Use proper linker script for bf522, bf525, bf527,
 806         bf538, bf539, bf542, bf544, bf548, and bf549.
 807         * config/bfin/bfin.c (bfin_si_revision): Define.
 808         (bfin_workarounds): Define.
 809         (struct bfin_cpu): New.
 810         (bfin_cpus): New.
 811         (bfin_handle_option): Handle silicon revision part of -mcpu option.
 812         (override_options): Set bfin_workarounds.
 813         (length_for_loop): Replace TARGET_CSYNC_ANOMALY with
 814         ENABLE_WA_SPECULATIVE_SYNCS, TARGET_SPECLD_ANOMALY with
 815         ENABLE_WA_SPECULATIVE_LOADS.
 816         (bfin_reorg): Likewise.
 817         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
 818         macros for bf522, bf525, bf527, bf538, bf539,
 819         bf542, bf544, bf548, and bf549.
 820         Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed.
 821         Don't define __ID_SHARED_LIB__ when -msep-data.
 822         (TARGET_DEFAULT): Define as 0.
 823         (DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option.
 824         * doc/invoke.texi (Blackfin Options): Document silicon
 825         revision part of -mcpu option and it now accepts bf522, bf525,
 826         bf527, bf538, bf539, bf542, bf544, bf548, and bf549.
 827
 828 2007-09-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 829
 830         * alias.c (memory_modified_1): Deconstify.
 831         (memory_modified_in_insn_p): Don't use const_note_stores.
 832         * rtl.h (const_note_stores): Delete.
 833         * rtlanal.c (const_note_stores): Likewise.
 834
 835 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 836
 837         * dse.c (find_shift_sequence): Temporarily revert to forbidding
 838         word shifts.
 839
 840 2007-09-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
 841
 842         PR target/33388
 843         PR target/33397
 844         * config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO().
 845         (addsi_small_int): Likewise.
 846         (addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
 847         (one_cmplsi2): Likewise.
 848         (negsi2): Delete.
 849         (enter_func): Expand insn using hard_frame_pointer_rtx and
 850         stack_pointer_rtx.
 851         (*enter_func): New.
 852         * config/fr30/fr30.c (fr30_expand_prologue): Check for
 853         hard_frame_pointer_rtx instead of using REGNO() check.
 854         Properly sign extend GEN_INT() argument.
 855
 856 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
 857
 858         * config/m68k/m68k.c (override_options): Remove USE_GAS,
 859         use %. syntax.
 860         (output_dbcc_and_branch, output_scc_di): Replace all jbcc
 861         alternatives with just jcc.
 862         * config/m68k/m68k.md (addsi_lshrsi_31, beq0_di, bne0_di,
 863         bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev,
 864         bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si,
 865         dbge_hi, dbge_si): Likewise.
 866
 867 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
 868
 869         * config/m68k/m68k.md (beq, bne, bgt, blt, bge, ble, bordered,
 870         bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev,
 871         bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev,
 872         bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev,
 873         bunlt_rev, bltgt_rev): Replace all fbcc with fjcc.
 874
 875 2007-09-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
 876
 877         * config/m68k/m68k-devices.def (51qe): New device.
 878         * config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit.  Add it
 879         to all uses of FL_FOR_isa_c for compatibility.
 880         (all_microarchs): Add cfv1 microarchitecture.
 881         (m68k_handle_option): Handle m51qe option.
 882         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE.
 883         (TUNE_CFV1): New macro.
 884         (enum uarch_type): Add ucfv1.
 885         * doc/invoke.texi: Document 51qe device and cfv1 microarchitecture.
 886
 887 2007-09-18  Richard Guenther  <rguenther@suse.de>
 888
 889         PR tree-optimization/31863
 890         * tree-ssa-structalias.c (create_variable_info_for): Always
 891         free the fieldstack.
 892
 893 2007-09-18  Dorit Nuzman  <dorit@il.ibm.com>
 894
 895         * opts.c (decode_options): Enable vectorization under -O3.
 896
 897 2007-09-18  Richard Guenther  <rguenther@suse.de>
 898
 899         PR tree-optimization/33340
 900         * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
 901         SSA_NAMEs that occur in abnormal PHI nodes.
 902
 903 2007-09-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 904
 905         * tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p):
 906         Don't use const_get_call_expr_in.
 907         * tree-gimple.c (const_get_call_expr_in): Delete.
 908         * tree-gimple.h (const_get_call_expr_in): Likewise.
 909
 910 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 911
 912         * df-scan.c (df_notes_rescan): Do nothing if the instruction does
 913         not yet have a basic block.
 914         * dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
 915
 916 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 917
 918         * config/mips/mips.c (mips_file_start): Add ".previous" directives
 919         to both ".section"s.
 920
 921 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
 922
 923         * config/mips/mips.c (mips_output_mi_thunk): Use
 924         mips_function_ok_for_sibcall and const_call_insn_operand
 925         to determine if a direct sibcall is allowed.  Use
 926         mips_classify_symbol to determine a global pointer is needed.
 927
 928 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
 929
 930         * config/mips/mips.md (*clear_upper32): Use "W" as the memory operand.
 931
 932 2007-09-17  Chao-ying Fu  <fu@mips.com>
 933             Nigel Stephens  <nigel@mips.com>
 934
 935         * config/fixed-bit.h: New file.
 936         * config/fixed-bit.c: New file.
 937         * doc/libgcc.texi (Fixed-point fractional library routines): New node.
 938
 939 2007-09-18  Jakub Jelinek  <jakub@redhat.com>
 940
 941         * c-format.h (format_kind_info): Add alloc_char field.
 942         * c-format.c (scanf_flag_specs): Add 'm'.
 943         (scanf_flag_pairs): Add 'a', 'm' pair.
 944         (scan_char_table): Allow 'm' modifier for c, s, [, C and S.
 945         (format_types_orig): Add alloc_char fields.
 946         (check_format_info_main): Rename aflag to alloc_flag.
 947         Handle fki->alloc_char. modifier after width and before length
 948         modifiers.  Move FMT_FLAG_SCANF_A_KLUDGE handling before
 949         length modifiers as well.
 950         * config/sol2-c.c (solaris_format_types): Add alloc_char field.
 951
 952         PR middle-end/33423
 953         * builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs
 954         returned by build_call_expr.
 955
 956 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
 957
 958         * tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return
 959         NULL for variable-sized records too.
 960         (sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too.
 961
 962 2007-09-17  Tom Tromey  <tromey@redhat.com>
 963
 964         * c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC.
 965         (c_builtin_function): Likewise.
 966         (grokdeclarator): Likewise.
 967
 968 2007-09-17  Zdenek Dvorak  <ook@ucw.cz>
 969
 970         PR rtl-optimization/26449
 971         * loop-invariant.c (move_invariant_reg): Do not use force_operand.
 972         (seq_insns_valid_p): Removed.
 973
 974 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
 975
 976         * tree-nomudflap.c (gate_mudflap): New static function.
 977         (pass_mudflap_1): Use it as gate function.
 978         (pass_mudflap_2): Likewise.
 979
 980 2007-09-17  Jan Hubicka  <jh@suse.cz>
 981
 982         PR middle-end/33348
 983         PR target/33406
 984         * loop-invariant.c (move_invariant_reg): Unshare sequence.
 985
 986 2007-09-17  Victor Kaplansky  <victork@il.ibm.com>
 987
 988         PR tree-optimization/33319
 989         * tree-vect-analyze.c (vect_same_range_drs): New.
 990         (vect_vfa_range_equal): New.
 991         (vect_is_duplicate_ddr): Removed.
 992         (vect_mark_for_runtime_alias_test): Do not perform marking when
 993         optimizing for size or max_param for alias checking is zero.
 994         Move the function before vect_analyze_data_ref_dependence.
 995         (vect_analyze_data_ref_dependence): Add call to
 996         vect_mark_for_runtime_alias_test in two cases when dependence
 997         is not clear.
 998         (vect_analyze_data_ref_dependences): Do not call to
 999         vect_mark_for_runtime_alias_test.
1000         (vect_prune_runtime_alias_test_list): New.
1001         (vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list.
1002         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1003         Update vec_outside_cost.
1004         (vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT.
1005         (vect_create_cond_for_alias_checks): Build the base address of data
1006         reference from DR_GROUP_FIRST_DR.
1007         (vect_loop_versioning): New.
1008         (vect_transform_loop): Add a call to vect_loop_versioning.
1009         Remove factored out code.
1010
1011 2007-09-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1012
1013         PR middle-end/33273
1014         * expr.c (store_expr): Call adjust_address to change mode of dest_mem
1015         to BLKmode.
1016
1017 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
1018
1019         * dse.c (find_shift_sequence): Allow word as well as subword shifts.
1020         Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set.
1021         Fix the call to insn_rtx_cost.  Skip access sizes that require a
1022         real truncation of the store register.  Use convert_move instead
1023         of gen_lowpart when narrowing the result.
1024         (replace_read): Use convert_move instead of gen_lowpart when
1025         narrowing the store rhs.
1026
1027 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
1028
1029         * config/mips/mips.md (SHORT): Fix long line.
1030         (SUBDI): New mode iterator.  Extend the shift-and-truncate insns
1031         to QImode and HImode.
1032
1033 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
1034
1035         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.
1036
1037 2007-09-15  Zdenek Dvorak  <ook@ucw.cz>
1038
1039         * tree-parloops.c: New file.
1040         * tree-ssa-operands.h (free_stmt_operands): Declare.
1041         * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
1042         block.
1043         * tree-pass.h (pass_parallelize_loops): Declare.
1044         * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
1045         virtual operands.
1046         (build_omp_regions_1): Allow analysing just a single OMP region and
1047         its subregions.
1048         ( build_omp_regions_root, omp_expand_local): New functions.
1049         (build_omp_regions): Add argument to build_omp_regions_1 call.
1050         * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
1051         autoparallelization is run.
1052         * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
1053         * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
1054         pass_parallelize_loops): New.
1055         * common.opt (ftree-parallelize-loops): New.
1056         * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
1057         parallelize_loops): Declare.
1058         (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
1059         * Makefile.in (tree-parloops.o): Added.
1060         * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
1061         New functions.
1062         (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
1063         (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
1064         one extra edge as well.
1065         (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
1066         Use VEC_free to free doms vector.
1067         (move_block_to_fn): Update loop info. Remove phi nodes for virtual
1068         operands.  Recompute operand caches in the new function.
1069         (move_sese_region_to_fn): Update loop info.
1070         * passes.c (init_optimization_passes): Add pass_parallelize_loops.
1071         * tree-ssa-operands.c (free_stmt_operands): New function.
1072
1073         * doc/passes.texi: Document autoparallelization.
1074         * doc/invoke.texi (-ftree-parallelize-loops): New option.
1075
1076 2007-09-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1077
1078         PR target/33062
1079         * pa.c (function_value): Use GET_MODE_BITSIZE instead of
1080         TYPE_PRECISION.
1081
1082 2007-09-15  Dorit Nuzman  <dorit@il.ibm.com>
1083
1084         * tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if
1085         the VEC is not NULL.
1086         (vectorizable_type_demotion, vectorizable_type_promotion): Check that
1087         get_vectype_for_scalar_type succeeded.
1088         (vectorizable_conversion): Likewise.
1089
1090 2007-09-14  Jan Hubicka  <jh@suse.cz>
1091
1092         * config/i386/i386.md (*floatdi<mode>2_i387): Guard against
1093         TARGET_64BIT.
1094
1095 2007-09-14  Uros Bizjak  <ubizjak@gmail.com>
1096
1097         PR target/33438
1098         * config/i386/i386.md (fmodxf3): Copy operands[2] to temporary
1099         register when operands[2] equals operands[1].
1100         (remainderxf3): Ditto.
1101
1102 2007-09-14  Sandra Loosemore  <sandra@codesourcery.com>
1103             Nigel Stephens  <nigel@mips.com>
1104
1105         * doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document.
1106         * unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
1107         (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to
1108         declaration.
1109         (_Unwind_ForcedUnwind): Likewise.
1110         (_Unwind_Resume): Likewise.
1111         (_Unwind_Resume_or_Rethrow): Likewise.
1112         (_Unwind_Backtrace): Likewise.
1113         (_Unwind_SjLj_RaiseException): Likewise.
1114         (_Unwind_SjLj_ForcedUnwind): Likewise.
1115         (_Unwind_SjLj_Resume): Likewise.
1116         (_Unwind_SjLj_Resume_or_Rethrow): Likewise.
1117         * unwind.inc (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE
1118         to definition.
1119         (_Unwind_ForcedUnwind): Likewise.
1120         (_Unwind_Resume): Likewise.
1121         (_Unwind_Resume_or_Rethrow): Likewise.
1122         (_Unwind_Backtrace): Likewise.
1123         * unwind-compat.c (_Unwind_Backtrace): Likewise.
1124         (_Unwind_ForcedUnwind): Likewise.
1125         (_Unwind_RaiseException): Likewise.
1126         (_Unwind_Resume): Likewise.
1127         (_Unwind_Resume_or_Rethrow): Likewise.
1128
1129         * config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force
1130         nomips16 mode when IN_LIBGCC2 with hard float.
1131
1132 2007-09-14  Richard Sandiford  <rsandifo@nildram.co.uk>
1133
1134         * config/mips/sdemtk.opt: Update to GPLv3.
1135         * config/mips/sdemtk.h: Likewise.
1136
1137 2007-09-14  Nigel Stephens  <nigel@mips.com>
1138
1139         * config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set
1140         MIPS_ISA_DEFAULT appropriately.  Don't make soft-float the default
1141         for mipsisa32-*-linux*.
1142
1143 2007-09-14  Nigel Stephens  <nigel@mips.com>
1144             David Ung  <davidu@mips.com>
1145             Thiemo Seufer  <ths@mips.com>
1146             Richard Sandiford  <richard@codesourcery.com>
1147
1148         * config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
1149         * configure.ac: Add a mipssde threading type.
1150         * configure: Regenerate.
1151         * config/mips/sdemtk.h: New file.
1152         * config/mips/t-sdemtk: Likewise.
1153         * config/mips/sdemtk.opt: Likewise.
1154         * gthr-mipssde.h: Likewise.
1155         * config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
1156         * config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
1157         (MIPS_ICACHE_SYNC): New macro, split from ...
1158         * config/mips/mips.md (clear_cache): ...here.
1159         * config/mips/mips.c (mips_save_reg_p): Check
1160         MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
1161         (build_mips16_function_stub): Use targetm.strip_name_encoding.
1162         (build_mips16_call_stub): Likewise.
1163
1164 2007-09-14  Richard Sandiford  <richard@codesourcery.com>
1165
1166         * Makefile.in (stmp-int-hdrs): Depend on fixinc_list.
1167
1168 2007-09-14  Jakub Jelinek  <jakub@redhat.com>
1169
1170         PR target/32337
1171         * config/ia64/ia64.c (find_gr_spill): Don't decrement
1172         current_frame_info.n_local_regs.  Don't return emitted local
1173         regs.
1174         (ia64_compute_frame_size): Improve unwind hack to put
1175         RP, PFS, FP in that order by allowing some of the registers
1176         been already emitted, as long as they are emitted to the
1177         desired register.
1178
1179 2007-09-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1180
1181         * config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx,
1182         vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats,
1183         vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics.
1184
1185 2007-09-13  Eric Christopher  <echristo@apple.com>
1186             Kenneth Zadeck <zadeck@naturalbridge.com>
1187
1188         * dse.c (find_shift_sequence): New function.
1189         (replace_read): Add case to remove read if it requires shift.
1190         * config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
1191
1192 2007-09-13  Tom Tromey  <tromey@redhat.com>
1193
1194         * c-common.c (fname_as_string): Update.
1195         * c-parser.c (c_parser) <lex_untranslated_string>: New field.
1196         (c_lex_one_token): Update.  Add 'parser' argument.
1197         (c_parser_simple_asm_expr): Update.
1198         (c_parser_attributes): Update.
1199         (c_parser_asm_statement): Update.
1200         (c_parser_asm_operands): Update.
1201         (c_parser_peek_token): Update.
1202         (c_parser_peek_2nd_token): Update.
1203         * c-lex.c (c_lex_string_translate): Remove.
1204         (c_lex_return_raw_strings): Likewise.
1205         (c_lex_with_flags): Added 'lex_flags' argument.
1206         (lex_string): Added 'translate' argument.
1207         * c-pragma.h (c_lex_with_flags): Update.
1208         (c_lex_string_translate, c_lex_return_raw_strings): Remove.
1209         (C_LEX_STRING_NO_TRANSLATE): New define.
1210         (C_LEX_RAW_STRINGS): Likewise.
1211
1212 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1213
1214         From Jie Zhang:
1215         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES,
1216         BFIN_BUILTIN_CPLX_MUL_16_S40, BFIN_BUILTIN_CPLX_MAC_16_S40,
1217         BFIN_BUILTIN_CPLX_MSU_16_S40, and BFIN_BUILTIN_CPLX_SQU.
1218         (bfin_init_builtins): Initialize __builtin_bfin_ones,
1219         __builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16,
1220         __builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32,
1221         __builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub,
1222         __builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40,
1223         __builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16.
1224         (bdesc_1arg): Add __builtin_bfin_ones.
1225         (bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40,
1226         __builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40,
1227         and __builtin_bfin_csqu_fr16.
1228         * config/bfin/bfin.md (UNSPEC_ONES): New constant.
1229         (ones): New define_insn.
1230         (ssaddhi3_parts): New define_insn.
1231         (sssubhi3_parts): New define_insn.
1232         (flag_mulhi_parts): New define_insn.
1233
1234 2007-09-13  Seongbae Park <seongbae.park@gmail.com>
1235
1236         * common.opt (femit-class-debug-always): Turn off by default.
1237
1238 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1239
1240         * config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
1241         * config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.
1242
1243 2007-09-13  James E. Wilson  <wilson@specifix.com>
1244
1245         PR tree-optimization/33389
1246         * tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true,
1247         then set build_loads before returning.
1248
1249 2007-09-13  Sandra Loosemore  <sandra@codesourcery.com>
1250             David Ung  <davidu@mips.com>
1251
1252         * config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with
1253         {d}addiu and a negative immediate such that it works with MIPS16
1254         instructions.
1255
1256 2007-09-13  H.J. Lu  <hongjiu.lu@intel.com>
1257
1258         PR bootstrap/33418
1259         * configure.ac (ld_vers): Support Linux linker.
1260         * configure: Regenerated.
1261
1262 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
1263             Sandra Loosemore <sandra@codesourcery.com>
1264
1265         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete.
1266         (SYMBOL_REF_MIPS16_FUNC_P): Delete.
1267         * config/mips/mips.c (mips_attribute_table): Turn mips16 and
1268         nomips16 into decl attributes.
1269         (TARGET_INSERT_ATTRIBUTES): Override.
1270         (TARGET_MERGE_DECL_ATTRIBUTES): Likewise.
1271         (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): Always return true.
1272         (mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of...
1273         (mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions.
1274         (mips_comp_type_attributes): Remove mips16 and nomips16 handling.
1275         (mips_use_mips16_mode_p): Reimplement as a function that takes
1276         a decl and considers only decl attributes.  If the decl is nested
1277         function, use its parent attributes.
1278         (mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p
1279         instead of SYMBOL_REF_MIPS16_FUNC_P.
1280         (mips_set_mips16_mode): Move call to sorry here from old
1281         mips_use_mips16_mode_p.
1282         (mflip_mips16_entry): New structure.
1283         (mflip_mips16_htab): New variable.
1284         (mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions.
1285         (mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise.
1286         (mips_merge_decl_attributes): New function.
1287         (mips_set_current_function): Reinstate call to mips_set_mips16_mode.
1288         Use mips_use_mips16_mode_p.
1289         (mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of
1290         SYMBOL_REF_MIPS16_FUNC_P.
1291         (mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC.
1292
1293 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
1294
1295         * c-parser.c (c_parser_struct_declaration): Check for a null return.
1296
1297 2007-09-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1298
1299         PR driver/33309
1300         * gcc.c (xputenv): Make argument const, and use CONST_CAST.
1301
1302 2007-09-12  Michael Meissner  <michael.meissner@amd.com>
1303             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1304             Tony Linthicum  <tony.linthicum@amd.com>
1305
1306         * tree.h (function_args_iterator): New type to iterate over
1307         function arguments.
1308         (FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over
1309         function arguments providing a pointer to the argument.
1310         (FOREACH_FUNCTION_ARGS): Iterator macros for iterating over
1311         function arguments providing the argument.
1312         (function_args_iter_init): Inline function to initialize
1313         function_args_iterator.
1314         (function_args_iter_cond_ptr): Inline function to return the next
1315         pointer to hold the argument.
1316         (function_args_iter_cond): Inline function to return the next
1317         argument.
1318         (function_args_iter_cond_next): Advance the function args
1319         iterator.
1320         (stdarg_p): New function, return true if variable argument
1321         function.
1322         (prototype_p): New function, return true if function is
1323         prototyped.
1324         (function_args_count): New function, count the number of arguments
1325         of a function.
1326
1327         * tree.c (stdarg_p): New function, return true if variable
1328         argument function.
1329         (prototype_p): New function, return true if function is
1330         prototyped.
1331
1332         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
1333         (TARGET_ROUND): New macro for the round/ptest instructions which
1334         are shared between SSE4.1 and SSE5.
1335         (OPTION_MASK_ISA_ROUND): Ditto.
1336         (OPTION_ISA_ROUND): Ditto.
1337         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
1338         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
1339
1340         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
1341         (-mfused-madd): New switch to give users control over whether the
1342         compiler optimizes to use the multiply/add SSE5 instructions.
1343
1344         * config/i386/i386.c (m_AMD_MULTIPLE): Rename from
1345         m_ATHLON_K8_AMDFAM10, and change all uses.
1346         (enum pta_flags): Add PTA_SSE5.
1347         (ix86_handle_option): Turn off 3dnow if -msse5.
1348         (override_options): Add SSE5 support.
1349         (print_operand): %Y prints comparison codes for SSE5 com/pcom
1350         instructions.
1351         (ix86_expand_sse_movcc): Add SSE5 support.
1352         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
1353         vector type to the next largest size.
1354         (ix86_expand_sse5_pack): New function to use pperm to pack a
1355         vector type to the next smallest size.
1356         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
1357         (IX86_BUILTIN_FMADDSD): Ditto.
1358         (IX86_BUILTIN_FMADDPS): Ditto.
1359         (IX86_BUILTIN_FMADDPD): Ditto.
1360         (IX86_BUILTIN_FMSUBSS): Ditto.
1361         (IX86_BUILTIN_FMSUBSD): Ditto.
1362         (IX86_BUILTIN_FMSUBPS): Ditto.
1363         (IX86_BUILTIN_FMSUBPD): Ditto.
1364         (IX86_BUILTIN_FNMADDSS): Ditto.
1365         (IX86_BUILTIN_FNMADDSD): Ditto.
1366         (IX86_BUILTIN_FNMADDPS): Ditto.
1367         (IX86_BUILTIN_FNMADDPD): Ditto.
1368         (IX86_BUILTIN_FNMSUBSS): Ditto.
1369         (IX86_BUILTIN_FNMSUBSD): Ditto.
1370         (IX86_BUILTIN_FNMSUBPS): Ditto.
1371         (IX86_BUILTIN_FNMSUBPD): Ditto.
1372         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
1373         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
1374         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
1375         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
1376         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
1377         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
1378         (IX86_BUILTIN_PPERM): Ditto.
1379         (IX86_BUILTIN_PERMPS): Ditto.
1380         (IX86_BUILTIN_PERMPD): Ditto.
1381         (IX86_BUILTIN_PMACSSWW): Ditto.
1382         (IX86_BUILTIN_PMACSWW): Ditto.
1383         (IX86_BUILTIN_PMACSSWD): Ditto.
1384         (IX86_BUILTIN_PMACSWD): Ditto.
1385         (IX86_BUILTIN_PMACSSDD): Ditto.
1386         (IX86_BUILTIN_PMACSDD): Ditto.
1387         (IX86_BUILTIN_PMACSSDQL): Ditto.
1388         (IX86_BUILTIN_PMACSSDQH): Ditto.
1389         (IX86_BUILTIN_PMACSDQL): Ditto.
1390         (IX86_BUILTIN_PMACSDQH): Ditto.
1391         (IX86_BUILTIN_PMADCSSWD): Ditto.
1392         (IX86_BUILTIN_PMADCSWD): Ditto.
1393         (IX86_BUILTIN_PHADDBW): Ditto.
1394         (IX86_BUILTIN_PHADDBD): Ditto.
1395         (IX86_BUILTIN_PHADDBQ): Ditto.
1396         (IX86_BUILTIN_PHADDWD): Ditto.
1397         (IX86_BUILTIN_PHADDWQ): Ditto.
1398         (IX86_BUILTIN_PHADDDQ): Ditto.
1399         (IX86_BUILTIN_PHADDUBW): Ditto.
1400         (IX86_BUILTIN_PHADDUBD): Ditto.
1401         (IX86_BUILTIN_PHADDUBQ): Ditto.
1402         (IX86_BUILTIN_PHADDUWD): Ditto.
1403         (IX86_BUILTIN_PHADDUWQ): Ditto.
1404         (IX86_BUILTIN_PHADDUDQ): Ditto.
1405         (IX86_BUILTIN_PHSUBBW): Ditto.
1406         (IX86_BUILTIN_PHSUBWD): Ditto.
1407         (IX86_BUILTIN_PHSUBDQ): Ditto.
1408         (IX86_BUILTIN_PROTB): Ditto.
1409         (IX86_BUILTIN_PROTW): Ditto.
1410         (IX86_BUILTIN_PROTD): Ditto.
1411         (IX86_BUILTIN_PROTQ): Ditto.
1412         (IX86_BUILTIN_PROTB_IMM): Ditto.
1413         (IX86_BUILTIN_PROTW_IMM): Ditto.
1414         (IX86_BUILTIN_PROTD_IMM): Ditto.
1415         (IX86_BUILTIN_PROTQ_IMM): Ditto.
1416         (IX86_BUILTIN_PSHLB): Ditto.
1417         (IX86_BUILTIN_PSHLW): Ditto.
1418         (IX86_BUILTIN_PSHLD): Ditto.
1419         (IX86_BUILTIN_PSHLQ): Ditto.
1420         (IX86_BUILTIN_PSHAB): Ditto.
1421         (IX86_BUILTIN_PSHAW): Ditto.
1422         (IX86_BUILTIN_PSHAD): Ditto.
1423         (IX86_BUILTIN_PSHAQ): Ditto.
1424         (IX86_BUILTIN_FRCZSS): Ditto.
1425         (IX86_BUILTIN_FRCZSD): Ditto.
1426         (IX86_BUILTIN_FRCZPS): Ditto.
1427         (IX86_BUILTIN_FRCZPD): Ditto.
1428         (IX86_BUILTIN_CVTPH2PS): Ditto.
1429         (IX86_BUILTIN_CVTPS2PH): Ditto.
1430         (IX86_BUILTIN_COMEQSS): Ditto.
1431         (IX86_BUILTIN_COMNESS): Ditto.
1432         (IX86_BUILTIN_COMLTSS): Ditto.
1433         (IX86_BUILTIN_COMLESS): Ditto.
1434         (IX86_BUILTIN_COMGTSS): Ditto.
1435         (IX86_BUILTIN_COMGESS): Ditto.
1436         (IX86_BUILTIN_COMUEQSS): Ditto.
1437         (IX86_BUILTIN_COMUNESS): Ditto.
1438         (IX86_BUILTIN_COMULTSS): Ditto.
1439         (IX86_BUILTIN_COMULESS): Ditto.
1440         (IX86_BUILTIN_COMUGTSS): Ditto.
1441         (IX86_BUILTIN_COMUGESS): Ditto.
1442         (IX86_BUILTIN_COMORDSS): Ditto.
1443         (IX86_BUILTIN_COMUNORDSS): Ditto.
1444         (IX86_BUILTIN_COMFALSESS): Ditto.
1445         (IX86_BUILTIN_COMTRUESS): Ditto.
1446         (IX86_BUILTIN_COMEQSD): Ditto.
1447         (IX86_BUILTIN_COMNESD): Ditto.
1448         (IX86_BUILTIN_COMLTSD): Ditto.
1449         (IX86_BUILTIN_COMLESD): Ditto.
1450         (IX86_BUILTIN_COMGTSD): Ditto.
1451         (IX86_BUILTIN_COMGESD): Ditto.
1452         (IX86_BUILTIN_COMUEQSD): Ditto.
1453         (IX86_BUILTIN_COMUNESD): Ditto.
1454         (IX86_BUILTIN_COMULTSD): Ditto.
1455         (IX86_BUILTIN_COMULESD): Ditto.
1456         (IX86_BUILTIN_COMUGTSD): Ditto.
1457         (IX86_BUILTIN_COMUGESD): Ditto.
1458         (IX86_BUILTIN_COMORDSD): Ditto.
1459         (IX86_BUILTIN_COMUNORDSD): Ditto.
1460         (IX86_BUILTIN_COMFALSESD): Ditto.
1461         (IX86_BUILTIN_COMTRUESD): Ditto.
1462         (IX86_BUILTIN_COMEQPS): Ditto.
1463         (IX86_BUILTIN_COMNEPS): Ditto.
1464         (IX86_BUILTIN_COMLTPS): Ditto.
1465         (IX86_BUILTIN_COMLEPS): Ditto.
1466         (IX86_BUILTIN_COMGTPS): Ditto.
1467         (IX86_BUILTIN_COMGEPS): Ditto.
1468         (IX86_BUILTIN_COMUEQPS): Ditto.
1469         (IX86_BUILTIN_COMUNEPS): Ditto.
1470         (IX86_BUILTIN_COMULTPS): Ditto.
1471         (IX86_BUILTIN_COMULEPS): Ditto.
1472         (IX86_BUILTIN_COMUGTPS): Ditto.
1473         (IX86_BUILTIN_COMUGEPS): Ditto.
1474         (IX86_BUILTIN_COMORDPS): Ditto.
1475         (IX86_BUILTIN_COMUNORDPS): Ditto.
1476         (IX86_BUILTIN_COMFALSEPS): Ditto.
1477         (IX86_BUILTIN_COMTRUEPS): Ditto.
1478         (IX86_BUILTIN_COMEQPD): Ditto.
1479         (IX86_BUILTIN_COMNEPD): Ditto.
1480         (IX86_BUILTIN_COMLTPD): Ditto.
1481         (IX86_BUILTIN_COMLEPD): Ditto.
1482         (IX86_BUILTIN_COMGTPD): Ditto.
1483         (IX86_BUILTIN_COMGEPD): Ditto.
1484         (IX86_BUILTIN_COMUEQPD): Ditto.
1485         (IX86_BUILTIN_COMUNEPD): Ditto.
1486         (IX86_BUILTIN_COMULTPD): Ditto.
1487         (IX86_BUILTIN_COMULEPD): Ditto.
1488         (IX86_BUILTIN_COMUGTPD): Ditto.
1489         (IX86_BUILTIN_COMUGEPD): Ditto.
1490         (IX86_BUILTIN_COMORDPD): Ditto.
1491         (IX86_BUILTIN_COMUNORDPD): Ditto.
1492         (IX86_BUILTIN_COMFALSEPD): Ditto.
1493         (IX86_BUILTIN_COMTRUEPD): Ditto.
1494         (IX86_BUILTIN_PCOMEQUB): Ditto.
1495         (IX86_BUILTIN_PCOMNEUB): Ditto.
1496         (IX86_BUILTIN_PCOMLTUB): Ditto.
1497         (IX86_BUILTIN_PCOMLEUB): Ditto.
1498         (IX86_BUILTIN_PCOMGTUB): Ditto.
1499         (IX86_BUILTIN_PCOMGEUB): Ditto.
1500         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
1501         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
1502         (IX86_BUILTIN_PCOMEQUW): Ditto.
1503         (IX86_BUILTIN_PCOMNEUW): Ditto.
1504         (IX86_BUILTIN_PCOMLTUW): Ditto.
1505         (IX86_BUILTIN_PCOMLEUW): Ditto.
1506         (IX86_BUILTIN_PCOMGTUW): Ditto.
1507         (IX86_BUILTIN_PCOMGEUW): Ditto.
1508         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
1509         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
1510         (IX86_BUILTIN_PCOMEQUD): Ditto.
1511         (IX86_BUILTIN_PCOMNEUD): Ditto.
1512         (IX86_BUILTIN_PCOMLTUD): Ditto.
1513         (IX86_BUILTIN_PCOMLEUD): Ditto.
1514         (IX86_BUILTIN_PCOMGTUD): Ditto.
1515         (IX86_BUILTIN_PCOMGEUD): Ditto.
1516         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
1517         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
1518         (IX86_BUILTIN_PCOMEQUQ): Ditto.
1519         (IX86_BUILTIN_PCOMNEUQ): Ditto.
1520         (IX86_BUILTIN_PCOMLTUQ): Ditto.
1521         (IX86_BUILTIN_PCOMLEUQ): Ditto.
1522         (IX86_BUILTIN_PCOMGTUQ): Ditto.
1523         (IX86_BUILTIN_PCOMGEUQ): Ditto.
1524         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
1525         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
1526         (IX86_BUILTIN_PCOMEQB): Ditto.
1527         (IX86_BUILTIN_PCOMNEB): Ditto.
1528         (IX86_BUILTIN_PCOMLTB): Ditto.
1529         (IX86_BUILTIN_PCOMLEB): Ditto.
1530         (IX86_BUILTIN_PCOMGTB): Ditto.
1531         (IX86_BUILTIN_PCOMGEB): Ditto.
1532         (IX86_BUILTIN_PCOMFALSEB): Ditto.
1533         (IX86_BUILTIN_PCOMTRUEB): Ditto.
1534         (IX86_BUILTIN_PCOMEQW): Ditto.
1535         (IX86_BUILTIN_PCOMNEW): Ditto.
1536         (IX86_BUILTIN_PCOMLTW): Ditto.
1537         (IX86_BUILTIN_PCOMLEW): Ditto.
1538         (IX86_BUILTIN_PCOMGTW): Ditto.
1539         (IX86_BUILTIN_PCOMGEW): Ditto.
1540         (IX86_BUILTIN_PCOMFALSEW): Ditto.
1541         (IX86_BUILTIN_PCOMTRUEW): Ditto.
1542         (IX86_BUILTIN_PCOMEQD): Ditto.
1543         (IX86_BUILTIN_PCOMNED): Ditto.
1544         (IX86_BUILTIN_PCOMLTD): Ditto.
1545         (IX86_BUILTIN_PCOMLED): Ditto.
1546         (IX86_BUILTIN_PCOMGTD): Ditto.
1547         (IX86_BUILTIN_PCOMGED): Ditto.
1548         (IX86_BUILTIN_PCOMFALSED): Ditto.
1549         (IX86_BUILTIN_PCOMTRUED): Ditto.
1550         (IX86_BUILTIN_PCOMEQQ): Ditto.
1551         (IX86_BUILTIN_PCOMNEQ): Ditto.
1552         (IX86_BUILTIN_PCOMLTQ): Ditto.
1553         (IX86_BUILTIN_PCOMLEQ): Ditto.
1554         (IX86_BUILTIN_PCOMGTQ): Ditto.
1555         (IX86_BUILTIN_PCOMGEQ): Ditto.
1556         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
1557         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
1558         (bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to
1559         OPTION_MASK_ISA_ROUND for instructions that are shared between
1560         SSE4.1 and SSE5.
1561         (bdesc_2arg): Ditto.
1562         (bdesc_sse_3arg): Ditto.
1563         (enum multi_arg_type): New enum for describing the various SSE5
1564         intrinsic argument types.
1565         (bdesc_multi_arg): New table for SSE5 intrinsics.
1566         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
1567         (ix86_expand_multi_arg_builtin): New function for creating SSE5
1568         intrinsics.
1569         (ix86_expand_builtin): Add SSE5 intrinsic support.
1570         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
1571         operand instructions.
1572         (ix86_expand_sse5_multiple_memory): New function to split the
1573         second memory reference from SSE5 instructions.
1574         (type_has_variadic_args_p): Delete in favor of stdarg_p.
1575         (ix86_return_pops_args): Use stdarg_p to determine if the function
1576         has variable arguments.
1577         (ix86_setup_incoming_varargs): Ditto.
1578         (x86_this_parameter): Ditto.
1579
1580         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
1581         declaration.
1582         (ix86_expand_sse5_pack): Ditto.
1583         (ix86_sse5_valid_op_p): Ditto.
1584         (ix86_expand_sse5_multiple_memory): Ditto.
1585
1586         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
1587         constant for SSE5 support.
1588         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
1589         (UNSPEC_SSE5_TRUEFALSE): Ditto.
1590         (UNSPEC_SSE5_PERMUTE): Ditto.
1591         (UNSPEC_SSE5_ASHIFT): Ditto.
1592         (UNSPEC_SSE5_LSHIFT): Ditto.
1593         (UNSPEC_FRCZ): Ditto.
1594         (UNSPEC_CVTPH2PS): Ditto.
1595         (UNSPEC_CVTPS2PH): Ditto.
1596         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
1597         (PCOM_TRUE): Ditto.
1598         (COM_FALSE_S): Ditto.
1599         (COM_FALSE_P): Ditto.
1600         (COM_TRUE_S): Ditto.
1601         (COM_TRUE_P): Ditto.
1602         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
1603         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
1604         types.
1605         (memory attribute): Ditto.
1606         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1607         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
1608         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1609         (floor<mode>2): Ditto.
1610         (ceil<mode>2): Ditto.
1611         (btrunc<mode>2): Ditto.
1612         (nearbyintdf2): Ditto.
1613         (nearbyintsf2): Ditto.
1614         (sse_setccsf): Disable if SSE5.
1615         (sse_setccdf): Ditto.
1616         (sse5_setcc<mode>): New support for SSE5 conditional move.
1617         (sse5_pcmov_<mode>): Ditto.
1618
1619         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
1620         (SSEMODEF4): Ditto.
1621         (SSEMODEF2P): Ditto.
1622         (ssemodesuffixf4): New mode attribute for SSE5.
1623         (ssemodesuffixf2s): Ditto.
1624         (ssemodesuffixf2c): Ditto.
1625         (sserotatemax): Ditto.
1626         (ssescalarmode): Ditto.
1627         (sse_maskcmpv4sf3): Disable if SSE5.
1628         (sse_maskcmpv2df3): Ditto.
1629         (sse_vmmaskcmpv4sf3): Ditto.
1630         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
1631         instructions.
1632         (sse5_vmfmadd<mode>4): Ditto.
1633         (sse5_fmsub<mode>4): Ditto.
1634         (sse5_vmfmsub<mode>4): Ditto.
1635         (sse5_fnmadd<mode>4): Ditto.
1636         (sse5_vmfnmadd<mode>4): Ditto.
1637         (sse5_fnmsub<mode>4): Ditto.
1638         (sse5_vmfnmsub<mode>4): Ditto.
1639         (sse5i_fmadd<mode>4): Ditto.
1640         (sse5i_fmsub<mode>4): Ditto.
1641         (sse5i_fnmadd<mode>4): Ditto.
1642         (sse5i_fnmsub<mode>4): Ditto.
1643         (sse5i_vmfmadd<mode>4): Ditto.
1644         (sse5i_vmfmsub<mode>4): Ditto.
1645         (sse5i_vmfnmadd<mode>4): Ditto.
1646         (sse5i_vmfnmsub<mode>4): Ditto.
1647         (mulv16qi3): Add SSE5 support.
1648         (mulv4si3): Ditto.
1649         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
1650         (sse2_mulv4si3): Disable if SSE5.
1651         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
1652         (sse4_1_roundps): Ditto.
1653         (sse4_1_roundsd): Ditto.
1654         (sse4_1_roundss): Ditto.
1655         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
1656         be generated.
1657         (sse_maskcmpsf3): Ditto.
1658         (sse_vmmaskcmpv4sf3): Ditto.
1659         (sse2_maskcmpv2df3): Ditto.
1660         (sse2_maskcmpdf3): Ditto.
1661         (sse2_vmmaskcmpv2df3): Ditto.
1662         (sse2_eq<mode>3): Ditto.
1663         (sse2_gt<mode>3): Ditto.
1664         (sse5_pcmov_<mode>): Add SSE5 support.
1665         (vec_unpacku_hi_v16qi): Ditto.
1666         (vec_unpacks_hi_v16qi): Ditto.
1667         (vec_unpacku_lo_v16qi): Ditto.
1668         (vec_unpacks_lo_v16qi): Ditto.
1669         (vec_unpacku_hi_v8hi): Ditto.
1670         (vec_unpacks_hi_v8hi): Ditto.
1671         (vec_unpacku_lo_v8hi): Ditto.
1672         (vec_unpacks_lo_v8hi): Ditto.
1673         (vec_unpacku_hi_v4si): Ditto.
1674         (vec_unpacks_hi_v4si): Ditto.
1675         (vec_unpacku_lo_v4si): Ditto.
1676         (vec_unpacks_lo_v4si): Ditto.
1677         (sse5_pmacsww): New SSE5 intrinsic insn.
1678         (sse5_pmacssww): Ditto.
1679         (sse5_pmacsdd): Ditto.
1680         (sse5_pmacssdd): Ditto.
1681         (sse5_pmacssdql): Ditto.
1682         (sse5_pmacssdqh): Ditto.
1683         (sse5_pmacsdqh): Ditto.
1684         (sse5_pmacsswd): Ditto.
1685         (sse5_pmacswd): Ditto.
1686         (sse5_pmadcsswd): Ditto.
1687         (sse5_pmadcswd): Ditto.
1688         (sse5_pcmov_<move>): Conditional move support on SSE5.
1689         (sse5_phaddbw): New SSE5 intrinsic insn.
1690         (sse5_phaddbd): Ditto.
1691         (sse5_phaddbq): Ditto.
1692         (sse5_phaddwd): Ditto.
1693         (sse5_phaddwq): Ditto.
1694         (sse5_phadddq): Ditto.
1695         (sse5_phaddubw): Ditto.
1696         (sse5_phaddubd): Ditto.
1697         (sse5_phaddubq): Ditto.
1698         (sse5_phadduwd): Ditto.
1699         (sse5_phadduwq): Ditto.
1700         (sse5_phaddudq): Ditto.
1701         (sse5_phsubbw): Ditto.
1702         (sse5_phsubwd): Ditto.
1703         (sse5_phsubdq): Ditto.
1704         (sse5_pperm): Ditto.
1705         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
1706         (sse5_pperm_zero_v16qi_v8hi): Ditto.
1707         (sse5_pperm_sign_v8hi_v4si): Ditto.
1708         (sse5_pperm_zero_v8hi_v4si): Ditto.
1709         (sse5_pperm_sign_v4si_v2di): Ditto.
1710         (sse5_pperm_sign_v4si_v2di): Ditto.
1711         (sse5_pperm_pack_v2di_v4si): Ditto.
1712         (sse5_pperm_pack_v4si_v8hi): Ditto.
1713         (sse5_pperm_pack_v8hi_v16qi): Ditto.
1714         (sse5_perm<mode>): New SSE5 intrinsic insn.
1715         (rotl<mode>3): Ditto.
1716         (sse5_rotl<mode>3): Ditto.
1717         (sse5_ashl<mode>3): Ditto.
1718         (sse5_lshl<mode>3): Ditto.
1719         (sse5_frcz<mode>2): Ditto.
1720         (sse5s_frcz<mode>2): Ditto.
1721         (sse5_cvtph2ps): Ditto.
1722         (sse5_cvtps2ph): Ditto.
1723         (sse5_vmmaskcmp<mode>3): Ditto.
1724         (sse5_com_tf<mode>3): Ditto.
1725         (sse5_maskcmp<mode>3): Ditto.
1726         (sse5_maskcmp_uns<mode>3): Ditto.
1727         (sse5_maskcmp_uns2<mode>3): Ditto.
1728         (sse5_pcom_tf<mode>3): Ditto.
1729
1730         * config/i386/predicates.md (const_0_to_31_operand): New predicate
1731         to match 0..31.
1732         (sse5_comparison_float_operator): New predicate to match the
1733         comparison operators supported by the SSE5 com instruction.
1734         (ix86_comparison_int_operator): New predicate to match just the
1735         signed int comparisons.
1736         (ix86_comparison_uns_operator): New predicate to match just the
1737         unsigned int comparisons.
1738
1739         * doc/invoke.texi (-msse5): Add documentation.
1740         (-mfused-madd): Ditto.
1741
1742         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
1743
1744         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
1745         mmintrin-common.h.
1746         (x86_64-*-*): Ditto.
1747
1748         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
1749
1750         * config/i386/bmmintrin.h: New file, provide common x86 compiler
1751         intrinisics for SSE5.
1752
1753         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
1754         mmintrin-common.h.
1755
1756         * config/i386/mmintrin-common.h: New file, to contain common
1757         instructions between SSE4.1 and SSE5.
1758
1759         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
1760         FOREACH_FUNCTION_ARGS to iterate over the argument list.
1761         (gen_regparm_prefix): Ditto.
1762
1763         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
1764         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
1765         prototype_p to determine if a function is prototyped.
1766
1767 2007-09-12  Janis Johnson  <janis187@us.ibm.com>
1768
1769         * config/dfp-bit.c (dfp_conversion_exception): New function.
1770         (DFP_TO_DFP) Add new variants to use direct conversions in decNumber.
1771         (DFP_TO_INT): Ditto.
1772         (INT_TO_DFP): Ditto.
1773         * config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New.
1774
1775 2007-09-12  Jakub Jelinek  <jakub@redhat.com>
1776
1777         PR target/32338
1778         * config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage
1779         before sp restoration even when total_size is 0, but
1780         frame_pointer_needed.
1781
1782 2007-09-12  Bob Wilson  <bob.wilson@acm.org>
1783
1784         * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
1785         (xtensa_copy_incoming_a7): Use start_sequence instead of
1786         push_to_sequence.  Stash insns in vararg_a7_copy for builtin_saveregs.
1787         (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
1788         of the saveregs sequence.
1789
1790 2007-09-12  Richard Sandiford  <richard@codesourcery.com>
1791
1792         * c-tree.h (grokfield): Add a "tree *" argument.
1793         * c-decl.c (grokdeclarator): Take a pointer to the decl's attributes.
1794         Chain nested decl attributes to it.  Don't call decl_attributes here.
1795         (groktypename): Pass grokdeclarator a pointer to the attribute list.
1796         (start_decl, grokparm, push_parm_decl, start_function): Likewise.
1797         (grokfield): Take a pointer to the decl's attributes and pass
1798         it to grokdeclarator.
1799         * c-parser.c (c_parser_struct_declaration): Update the calls to
1800         grokfield.  Call decl_attributes for anonymous struct and union
1801         fields.
1802
1803 2007-09-12  Jan Hubicka  <jh@suse.cz>
1804
1805         * c-objc-common.h (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Kill.
1806
1807 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1808
1809         PR tree-optimization/32377
1810         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish
1811         between positive and negative dependence distance using DDR_REVERSED_P.
1812
1813 2007-09-12  Dorit Nuzman  <dorit@il.ibm.com>
1814
1815         PR tree-optimization/33373
1816         * tree-vect-analyze (vect_determine_vectorization_factor): Call
1817         TREE_INT_CST_LOW when comparing TYPE_SIZE_UNIT.
1818
1819 2007-09-12  Jan Hubicka  <jh@suse.cz>
1820
1821         PR target/33393
1822         * i386.md (floatsisf2_mixed_memory, floatsisf2_sse_memory): Disable
1823         for !SSE_MATH
1824
1825 2007-09-12  Christian Bruel  <christian.bruel@st.com>
1826
1827         * sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs.
1828         * linux-unwind.h (SH_DWARF_FRAME_GBR): fixed.
1829
1830 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1831
1832         * tree-vect-transform.c (vect_get_slp_defs): Don't build a vector
1833         for oprnd1 if not required.
1834         (vectorizable_operation): Use scalar operand in SLP in case of
1835         shift with scalar argument.
1836
1837 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1838
1839         * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and minimum
1840         to 1.
1841
1842 2007-09-11  James E. Wilson  <wilson@specifix.com>
1843
1844         * defaults.h (DWARF2_UNWIND_INFO): Don't define if
1845         TARGET_UNWIND_INFO is defined.
1846         * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef
1847         after definition.
1848
1849 2007-09-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1850
1851         * config/sh/sh.c (calc_live_regs): Use
1852         current_function_saves_all_registers instead of
1853         current_function_has_nonlocal_label.
1854         (sh_allocate_initial_value): Likewise.
1855         (sh_get_pr_initial_val): Likewise.
1856         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise.
1857         * config/sh/sh.md (load_ra): Likewise.
1858
1859 2007-09-12  Hans-Peter Nilsson  <hp@axis.com>
1860
1861         * config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc.
1862
1863         PR target/33360
1864         * config/cris/cris.c (cris_expand_pic_call_address): Fix typo in
1865         GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation.
1866
1867 2007-09-12  Sa Liu  <saliu@de.ibm.com>
1868
1869         * config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as
1870         operands to DFmode GE or LE compares.
1871
1872 2007-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1873
1874         * config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
1875         REG_CLASS_NAMES): Add P0REGS.
1876         (REGNO_REG_CLASS): Return it where appropriate.
1877         (REG_CLASS_FROM_CONSTRAINT): Add 'qA'.
1878         (CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
1879         * doc/md.texi (Blackfin family): Document 'q' constraints.
1880
1881 2007-09-11  Steve Kenton  <skenton@ou.edu>
1882
1883         * pa/linux-unwind.h: Guard with inhibit_libc.
1884         * pa/hpux-unwind.h: Likewise.
1885
1886 2007-09-11  David Daney  <ddaney@avtrex.com>
1887
1888         * doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options.
1889         * doc/install.texi: Document new --with-llsc and --without-llsc
1890         options.
1891         * config.gcc: Handle --with-llsc and --without-llsc configure options.
1892         * config/mips/mips.md (sync, memory_barrier): Wrap sync instrunction
1893         in %| and %- operand codes.  Depend on GENERATE_SYNC instead of
1894         ISA_HAS_SYNC.
1895         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
1896         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
1897         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
1898         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1899         sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on
1900         GENERATE_LL_SC instead of ISA_HAS_LL_SC.
1901         * config/mips/mips.opt (mllsc): New option.
1902         * config/mips/mips.c (mips_llsc): Define variable.
1903         (mips_handle_option): Handle mllsc option.
1904         (override_options): Set mips_print_operand_punct for '|' and '-'.
1905         (print_operand): Add new %| and %- operand codes.
1906         * config/mips/mips.h (mips_llsc_setting): New enum type.
1907         (mips_llsc): Declare.
1908         (OPTION_DEFAULT_SPECS): Add llsc handling.
1909         (GENERATE_SYNC): New macro.
1910         (GENERATE_LL_SC): New macro.
1911         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
1912         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
1913         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Wrap instructions
1914         in %| and %- operand codes.
1915
1916 2007-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1917
1918         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with
1919         TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P.
1920
1921 2007-09-11  Jason Merrill  <jason@redhat.com>
1922
1923         PR middle-end/27945
1924         * stor-layout.c (layout_decl): Do pack variable size fields.
1925
1926 2007-09-11  Maxim Kuvyrkov  <maxim@codesourcery.com>
1927
1928         * config/m68k/predicates.md (movsi_const0_operand,
1929         non_symbolic_call_operand): New predicates.
1930
1931         * config/m68k/constraints.md (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac):
1932         New constraints.
1933         * doc/md.texi (Constraints for Particular Machines: Motorola 680x0):
1934         Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ,
1935         CW, CZ, CS, Ap and Ac.
1936
1937         * config/m68k/m68k.md (UNSPEC_IB): New constant.
1938         (constraints.md): New include.
1939         (cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access,
1940         opx_mem, opy_mem, op_mem, guess, split): New attributes.
1941         (movdf_internal): Name pattern.  Fix to use alternatives.  Add split.
1942         Specify attributes.
1943         (pushdi): Add split.
1944         (tstsi_internal): Name pattern.  Fix to use alternatives.  Specify
1945         attributes.  Split tstsi_internal_68020_cf from it.
1946         (tstsi_internal_68020_cf): New pattern.
1947         (tsthi_internal, tstqi_internal): Name pattern.  Specify attributes.
1948         (tst<mode>_cf): Specify attributea.
1949         (cmpsi_cf): Name pattern.  Specify attributes.
1950         (cmp<mode>_68881, cmp<mode>_cf): Specify type attribute.
1951         (pushexthisi_const): Fix to use alternatives.  Specify
1952         attributes.
1953         (movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60
1954         from it.  Fix to use alternatives.  Specify attributes.
1955         (movsi_const0_68040_10, movsi_const0_68040_60): New patterns.
1956         (movsi_cf, movstrictqi_cf): Fix to use alternatives.  Specify
1957         attributes.
1958         (movsf_cf_soft): Specify attributes.
1959         (movdf_cf_soft): Add split.
1960         (pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4,
1961         cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2,
1962         68k_extendqisi2, truncdfsf2_cf): Specify attributes.
1963         (truncdfsf2_68881): Name pattern.  Specify attributes.
1964         (floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf,
1965         floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf,
1966         fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32):
1967         Specify attributes.
1968         (addsi3_5200): Fix to use alternatives.  Specify attributes.
1969         Add splits.
1970         (add<mode>3_cf, subdi_dishl32): Specify attributes.
1971         (subsi3): Add alternative for subq.l.  Specify attributes.
1972         (sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes.
1973         (mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern.  Specify
1974         attributes.
1975         (umulhisi3): Specify attributes.
1976         (mulhisisi3_z): Name pattern.  Specify attributes.
1977         (fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200,
1978         sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32,
1979         subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3,
1980         bsetmemqi): Specify attributes.
1981         (bsetmemqi_ext): Name pattern.  Specify attributes.
1982         (bclrmemqi): Specify attributes.
1983         (bclrmemqi_ext, scc, sls): Name pattern.  Specify attributes.
1984         (beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify
1985         attributes.
1986         (beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name
1987         pattern.  Specify attributes.
1988         (jump): Specify attributes.
1989         (tablejump_internal): Name pattern.  Specify attributes.
1990         (call_value): Split into non_symbolic_call_value,
1991         symbolic_call_value_jsr, symbolic_call_value_bsr.  Fix to use
1992         alternatives.  Specify attributes.
1993         (non_symbolic_call_value, symbolic_call_value_jsr,
1994         symbolic_call_value_bsr): New patterns.
1995         (nop, return, unlink, indirect_jump): Specify attributes.
1996         (trap): Fix condition.  Specify attributes.
1997         (ib): New pattern.
1998
1999         * config/m68k/m68k.c (m68k_symbolic_call_var): New variable.
2000         (override_options): Initialize it.  Initialize m68k_sched_cpu.
2001         (CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h.
2002         (const_method): Make global, rename to m68k_const_method.
2003         (const_int_cost, output_move_const_into_data_reg): Update.
2004         (output_move_double): Parametrize to emit rtl code, rename to
2005         handle_move_double.
2006         (output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi,
2007         emit_movsi): New static functions.
2008         (output_move_double): New function with semantics of old
2009         output_move_double.
2010         (m68k_emit_move_double): New function.
2011         (m68k_sched_cpu): New variable.
2012         (attr_op_type): New enum.
2013         (sched_guess_p): New variable.
2014         (sched_address_type, sched_operand_type, sched_attr_op_type):
2015         New static functions.
2016         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
2017         m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions.
2018         (sched_branch_type): New static variable.
2019         (m68k_sched_branch_type): New function.
2020         * config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum.
2021         (m68k_symbolic_call_var): Declare.
2022         (M68K_CONST_METHOD): Rename from CONST_METHOD.  Move here from m68k.c.
2023         (m68k_const_method, m68k_emit_move_double, m68k_sched_cpu,
2024         m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
2025         m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type):
2026         Declare.
2027
2028 2007-09-11  Jakub Jelinek  <jakub@redhat.com>
2029
2030         * builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
2031         * builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
2032         error if __builtin_va_arg_pack_len () wasn't optimized out during
2033         inlining.
2034         * tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
2035         with the number of inline's anonymous arguments.
2036         * doc/extend.texi: Document __builtin_va_arg_pack_len ().
2037
2038 2007-09-11  Zdenek Dvorak  <ook@ucw.cz>
2039
2040         * fold-const.c (extract_muldiv_1): Do not simplify
2041         var * c * c to var.
2042
2043 2007-09-11  Jan Hubicka <jh@suse.cz>
2044
2045         * i386.h (ix86_tune_indices): Add X86_TUNE_INTER_UNIT_CONVERSIONS.
2046         (TARGET_INTER_UNIT_CONVERSIONS): New.
2047         * i386.md (floatsi expanders): Remove redundant check for SImode
2048         source; offload to memory when asked for.
2049         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse
2050         floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
2051         Update conditions;
2052         (floatsisf2_mixed_memory, floatsisf2_sse_memory,
2053         floatsidf2_mixed_memory, floatsidf2_sse_memory
2054         floatdisf2_mixed_memory, floatsisf2_sse_memory,
2055         floatsidf2_mixed_memory, floatsidf2_sse_memory): New.
2056
2057 2007-09-11  Jan Hubicka <jh@suse.cz>
2058
2059         * toplev.c (process_options): all frontends now do unit-at-a-time.
2060         * cgraphunit.c: update comments.
2061         (cgraph_expand_function): call passmanager dirrectly; emit thunks.
2062         * c-decl.c (finish_function): use cgraph_add_new_function.
2063         * function.c (expand_function_end): We are always unit-at-a-time.
2064
2065 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
2066
2067         * config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
2068         settings for MIPS16.
2069         (mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.
2070
2071 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
2072
2073         * config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of
2074         SYMBOL_FORCE_TO_MEM constants.
2075         (mips_rtx_costs): Give a cost of 1 to force_to_mem_operands.
2076         (mips16_rewrite_pool_refs_info): New structure.
2077         (mips16_rewrite_pool_constant): New function, split out from...
2078         (mips16_rewrite_pool_refs): ...here.  Take a pointer to a
2079         mips16_rewrite_pool_refs_info structure rather than a pointer
2080         to a constant pool.  Force force_to_mem_operands into memory.
2081         (mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs.
2082         * config/mips/predicates.md (force_to_mem_operand): New predicate.
2083         * config/mips/constraints.md (kf): New constraint.
2084         * config/mips/mips.md (*movdi_64bit_mips16): Add a d <- kf alternative.
2085         (*movsi_mips16): Likewise.
2086
2087 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
2088             Nigel Stephens  <nigel@mips.com>
2089             David Ung  <davidu@mips.com>
2090
2091         * config/mips/mips.h (CONSTANT_POOL_COST): Move to...
2092         * config/mips/mips.c: ...here and set to 4 for TARGET_MIPS16.
2093         (mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost)
2094         (mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost)
2095         (mips_zero_extend_cost): New functions.
2096         (mips_rtx_costs): Treat COMPARE constants as having zero cost.
2097         Use the new functions.  Tweak many cost estimates, both here
2098         and in the new subroutines.  Return false when the cost of the
2099         operands has not been calculated.  Check for *clear_upper32.
2100         Check for floating-point multiply-add, reciprocal and rsqrt
2101         patterns.  Handle comparison and rotation codes.
2102
2103 2007-09-11  Danny Smith  <dannysmith@users.sourceforge.net>
2104
2105         * config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't
2106         override default.
2107         * config/i386/i386.c (get_dllimport_decl): Don't strip
2108         FASTCALL_PREFIX.
2109
2110 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
2111
2112         PR c/30013
2113         * config/dfp-bit.c: Don't skip TFmode conversions; move strto*
2114         declarations to top.
2115         (DFP_TO_BFP): Use for either XFmode or TFmode.
2116         (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast
2117         of BFP_VIA_TYPE.
2118         * config/dfp-bit.h: Include float.h.
2119         (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long
2120         double is one of these modes, rather than using LIBGCC_HAS_*F_MODE
2121         which doesn't mean the same thing.
2122         (BFP_KIND): Use 4 to mean TFmode.
2123         (BFP_FMT): Specify the number of decimal digits based on the
2124         number of mantissa digits.
2125         (BFP_VIA_TYPE): Binary float type to use as cast for sprintf.
2126         (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants.
2127         (STR_TO_BFP): Use strtold for XFmode or TFmode.
2128         (TFtype): Define if TFmode is supported.
2129         * doc/libgcc.texi (Decimal float library routines): Document
2130         TF conversion functions.
2131
2132 2007-09-10  Chao-ying Fu  <fu@mips.com>
2133
2134         * config/mips/mips.c (mips_scalar_mode_supported_p): Declare.
2135         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2136         (mips_emit_compare): Process fixed-point modes.
2137         (mips_pad_arg_upward): Support fixed-point types.
2138         (override_options): Allow fixed-point modes in accumulators.
2139         (mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers.
2140         (mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode,
2141         V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP.
2142         (mips_scalar_mode_supported_p): New function to accept fixed-point
2143         modes if the width is not greater than two BITS_PER_WORD.
2144         * config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
2145         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
2146         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
2147         LONG_LONG_ACCUM_TYPE_SIZE): Define.
2148         * config/mips/mips.md ("d"): Update mode attribute for fixed-point
2149         modes.
2150         ("IMODE"): New mode attribute.
2151         (mips-fixed.md): Include.
2152         * config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT,
2153         ACCUM, UACCUM.
2154         * config/mips/mips-fixed.md: New file.
2155
2156 2007-09-11  Ben Elliston  <bje@au.ibm.com>
2157
2158         * config/spu/spu.md: Formatting fixes.
2159
2160 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
2161
2162         * config/dfp-bit.c (dfp_unary_func): Delete.
2163         (dfp_unary_op): Delete.
2164         (dfp_binary_op): Use decFloat functions instead of decNumber
2165         functions for binary operations.
2166         (d32_binary_op): Convert 32-bit operands to 64 bits for evaluation.
2167         (dnn_binary_op): Call dfp_binary_op with decFloat rather than
2168         DFP_C_TYPE.
2169         (dfp_compare_op): Use decFloat functions insteadof decNumber
2170         functions for comparisons.
2171         (d32_compare_op): Convert 32-bit operands to 64 bits for evaluation.
2172         (dnn_binary_op): Call dfp_compare_op with decFloat rather than
2173         DFP_C_TYPE.
2174         (DFP_ADD, DFP_SUB, DFP_MULTIPLE, DFP_DIVIDE): Use macros for
2175         call to dxx_binary_op and decFloat function.
2176         (DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for
2177         calls to dxx_binary_op and decFloat function.
2178         * config/dfp-bit.h: Include decFloat header files.
2179         (decFloat, DFP_BINARY_OP, DFP_COMPARE_OP, DEC_FLOAT_ADD,
2180         DEC_FLOAT_SUBTRACT, DEC_FLOAT_MULTIPLY, DEC_FLOAT_DIVIDE,
2181         DEC_FLOAT_COMPARE, DEC_FLOAT_IS_ZERO, DEC_FLOAT_IS_NAN,
2182         DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths.
2183
2184 2007-09-10  Harsha Jagasia <harsha.jagasia@amd.com>
2185             Jan Sjodin <jan.sjodin@amd.com>
2186
2187         * tree-vect-analyze.c (vect_analyze_operations): Change
2188         comparison of loop iterations with threshold to less than
2189         or equal to instead of less than. Reduce
2190         min_scalar_loop_bound by one.
2191         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2192         Change prologue and epilogue iterations estimate to vf/2,
2193         when unknown at compile-time. Change versioning guard
2194         cost to taken_branch_cost. If peeling for alignment is
2195         unknown at compile-time, change peel guard costs to one
2196         taken branch and one not-taken branch per peeled loop.
2197         If peeling for alignment is known but number of scalar loop
2198         iterations is unknown at compile-time, change peel guard
2199         costs to one taken branch per peeled loop. Change the cost
2200         model equation to consider vector iterations as the loop
2201         iterations less the prologue and epilogue iterations.
2202         Change outside vector cost check to less than or equal to
2203         zero instead of equal to zero.
2204         (vect_do_peeling_for_loop_bound): Reduce
2205         min_scalar_loop_bound by one.
2206         * tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and
2207         TARG_COND_NOT_TAKEN_BRANCH_COST.
2208         * config/i386/i386.h (processor_costs): Add
2209         scalar_stmt_cost, scalar_load_cost, scalar_store_cost,
2210         vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost,
2211         vec_align_load_cost, vect_unalign_load_cost,
2212         vec_store_cost, cond_taken_branch_cost,
2213         cond_not_taken_branch_cost.
2214         Define macros for x86 costs.
2215         * config/i386/i386.c:
2216         (size_cost): Set scalar_stmt_cost, scalar_load_cost,
2217         scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
2218         scalar_to_vec_cost, vec_align_load_cost,
2219         vect_unalign_load_cost, vec_store_cost,
2220         cond_taken_branch_cost, cond_not_taken_branch_cost to one.
2221         (i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2222         geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost,
2223         core2_cost, generic64_cost, generic32_cost): Set to default
2224         untuned costs.
2225         (k8_cost, amdfam10_cost): Costs for vectorization tuned.
2226         (x86_builtin_vectorization_cost): New.
2227
2228 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
2229             Ben Elliston  <bje@au.ibm.com>
2230
2231         * dfp.c: Include decimal128Local.h;
2232         (dfp_byte_swap): Remove.
2233         (encode_decimal32, decode_decimal32): Don't handle endianness.
2234         (encode_decimal64, decode_decimal64): Ditto.
2235         (encode_decimal128, decode_decimal128): Ditto.
2236         * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto.
2237         (__swap64): Remove.
2238         (host_to_ieee_64, ieee_to_host_64): Don't handle endianness.
2239         (__swap128): Remove
2240         (host_to_ieee_128, ieee_to_host_128): Don't handle endianness.
2241         * Makefile.in (DECNUM_H): Add decimal128Local.h.
2242
2243 2007-09-10  David Daney  <ddaney@avtrex.com>
2244
2245         * config/mips/mips.md (UNSPEC_MEMORY_BARRIER): New entry in
2246         define_constants.
2247         (memory_barrier): Rewrote as an insn that clobbers memory.
2248
2249 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
2250
2251         * config/mips/mips.c (mips_global_pointer): Check
2252         call_really_used_regs instead of call_used_regs.
2253         (mips_save_reg_p): Likewise.  Save all call-saved registers
2254         if current_function_saves_all_registers.  Fix indentation.
2255         No longer treat $18 as a special case.
2256         (compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT.
2257
2258 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
2259
2260         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro.
2261         * config/mips/mips.c (mips_cpu_info_table): Mention it in the
2262         the introductory comment.
2263         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
2264         (override_options): Don't test for it.
2265         * config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
2266         (DRIVER_SELF_SPECS): Add MIPS_ARCH_FLOAT_SPEC.
2267         * config/mips/vr.h: As for config/mips/sde.h.
2268
2269 2007-09-10  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2270             Revital Eres  <eres@il.ibm.com>
2271
2272         * target.h (struct gcc_target.sched): New field: sms_res_mii.
2273         (struct ddg): Define.
2274         * target-def.h (TARGET_SCHED_SMS_RES_MII): Define.
2275         (TARGET_SCHED): Add TARGET_SCHED_SMS_RES_MII.
2276         * config/spu/spu.c: Include ddg.h.
2277         (TARGET_SCHED_SMS_RES_MII): Define.
2278         (spu_sms_res_mii): New function to calculate mii.
2279         * modulo-sched (res_MII): Use it.
2280         * doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII.
2281
2282 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2283
2284         * config/s390/s390.c (s390_dump_pool): Create copy of constant
2285         pool entries since they might hold values that must not be shared.
2286
2287 2007-09-10  Uros Bizjak  <ubizjak@gmail.com>
2288
2289         PR target/33369
2290         * gcc/config/i386/sse.md (ashr<mode>3): Change op2 mode to SImode.
2291         Use 'N' operand constraint for op2.
2292         (lshr<mode>3): Ditto.
2293         (ashl<mode>3): Ditto.
2294         (vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2.
2295         (vec_shr_<mode>): Ditto.
2296         * gcc/config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128,
2297         IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode.
2298
2299 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2300
2301         * config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"):
2302         Change mode macro in the last real_2expN parameter to uppercase.
2303
2304 2007-09-10  Michael Matz  <matz@suse.de>
2305
2306         * tree-pass.h (pass_cselim): Declare new pass.
2307         * passes.c (init_optimization_passes): Link in pass_cselim.
2308         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
2309         tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
2310         cond_store_replacement.
2311         (condstoretemp): New static variable.
2312         (cond_store_replacement): New function.
2313         (tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
2314         tree_ssa_phiopt_worker.
2315         (struct name_to_bb): New.
2316         (get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
2317         nt_init_block, nt_fini_block): New static functions.
2318         (seen_ssa_names, nontrap_set): New static variables.
2319         (gate_cselim, pass_cselim): Define new pass.
2320         * common.opt (ftree-cselim): New flag.
2321         * toplev.c (process_options): Set flag_tree_cselim if required.
2322
2323 2007-09-10  Hans-Peter Nilsson  <hp@axis.com>
2324
2325         * simplify-rtx.c (simplify_relational_operation_1): For recent
2326         canonicalization, don't recurse if op1 equals both PLUS arguments.
2327
2328 2007-09-09  David Daney  <ddaney@avtrex.com>
2329
2330         * optabs.c (expand_sync_operation):  Use plus insn if minus
2331         CONST_INT_P(val).
2332         (expand_sync_fetch_operation):  Ditto.
2333
2334 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2335
2336         * i386.md (*floatsisf2_mixed_vector): Use cvtdq2ps instead
2337         of cvtpq2ps.
2338         (*floatsisf2_sse_vector): Likewise.
2339
2340 2007-09-09  Krister Walfridsson  <cato@df.lth.se>
2341
2342         * config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2343
2344 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2345
2346         * config/i386/i386.h (ix86_tune_indices): Rename
2347         X86_USE_VECTOR_CONVERTS to X86_TUNE_USE_VECTOR_CONVERTS.
2348         (TARGET_USE_VECTOR_CONVERTS): Updated.
2349         * config/i386/i386.c: Likewise.
2350
2351 2007-09-09  Sandra Loosemore  <sandra@codesourcery.com>
2352             Nigel Stephens <nigel@mips.com>
2353
2354         * doc/invoke.texi (Overall Options):  Add .sx file extension
2355         as a synonym for .S.
2356         * cppspec.c (known_suffixes): Likewise.
2357         * gcc.c (default_compilers): Likewise.
2358
2359 2007-09-09  Rask Ingemann Lambertsen  <rask@sygehus.dk>
2360
2361         PR target/30315
2362         * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
2363         * simplify-rtx.c (simplify_relational_operation_1): Add the
2364         canonicalization from i386.h.
2365         * doc/md.texi (Canonicalization of Instructions): Document it.
2366
2367 2007-09-09  Jan Hubicka  <jh@suse.cz>
2368             Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2369
2370         * i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
2371         (TARGET_USE_VECTOR_CONVERTS): New.
2372         * i386.md: New post-reload splitters for converting SF to DF and DF to
2373         SF.
2374         (floatsi* expander): Special case vector conversions.
2375         (floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
2376         floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
2377         floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
2378         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
2379         Disable when doing vector converts.
2380         (floatsi<mode>2_i387): Disable when
2381         * sse.md (vec_dupv2df): Export.
2382         * i386.c (ix86_tune_features): Enable SSE conversions.
2383
2384 2007-09-09  Richard Guenther  <rguenther@suse.de>
2385
2386         * tree-ssa-operands.c (add_virtual_operand): Only mark
2387         stores as has_volatile_ops if alias information is not available.
2388
2389 2007-09-09  Revital Eres  <eres@il.ibm.com>
2390
2391         * doc/contrib.texi: Add myself.
2392
2393 2007-09-09  Ira Rosen  <irar@il.ibm.com>
2394
2395         * tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
2396         stmt_vinfo_set_outside_of_loop_cost): New functions.
2397         * tree-vect-transform.c (vect_get_cost_fields): Remove.
2398         (vect_model_simple_cost): Call
2399         stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
2400         field instead of calling vect_get_cost_fields.
2401         (vect_model_store_cost, vect_model_load_cost): Likewise.
2402
2403 2007-09-09  Revital Eres  <eres@il.ibm.com>
2404
2405         * config/rs6000/rs6000.c (paired_init_builtins): Add const
2406         declaration to bdesc_paired_preds variable.
2407         (paired_expand_builtin): Likewise.
2408
2409 2007-09-09  Revital Eres  <eres@il.ibm.com>
2410
2411         * dbgcnt.def (sms_sched_loop): New counter.
2412         * modulo-sched.c: Use sms_sched_loop instead of
2413         MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to
2414         perform swing modulo scheduling on.  Include dbgcnt.h.
2415         * Makefile.in: Add DBGCNT_H to modulo-sched.o.
2416         * params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER.
2417
2418 2007-09-09  Uros Bizjak  <ubizjak@gmail.com>
2419
2420         * config/i386/i386.md (X87MODEF12, SSEMODEF): Remove mode iterators.
2421         Substitute all uses with ...
2422         (MODEF): New mode iterator.
2423
2424         (fix_trunc<mode>_fisttp_i387_1): Remove operand constraints
2425         from pre-regalloc define_insn_and_split splitter pattern.
2426         (*fix_trunc<mode>_i387_1): Ditto.
2427         (*fistdi2_1): Ditto.
2428         (*fist<mode>2_1): Ditto.
2429         (frndintxf2_floor): Ditto.
2430         (*fist<mode>2_floor_1): Ditto.
2431         (frndintxf2_ceil): Ditto.
2432         (*fist<mode>2_ceil_1): Ditto.
2433         (frndintxf2_trunc): Ditto.
2434         (frndintxf2_mask_pm): Ditto.
2435
2436         (prologue): Use (const_int 0) as never generated filler insn.
2437         (epilogue): Ditto.
2438         (sibcall_epilogue): Ditto.
2439         (eh_return_si): Ditto.
2440         (eh_return_di): Ditto.
2441
2442         (add<mode>3): Rename from adddf3 and addsf3.  Macroize expander
2443         using MODEF mode iterator.
2444         (sub<mode>3): Rename from subdf3 and subsf3.  Macroize expander
2445         using MODEF mode iterator.
2446         (mul<mode>3): Rename from muldf3 and mulsf3.  Macroize expander
2447         using MODEF mode iterator.
2448         (nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
2449         Macroize expander using MODEF mode iterator.
2450
2451         (zero_extendsidi2): Remove operand constraints from expander.
2452         (smuldi3_highpart): Ditto.
2453         (indirect_jump): Ditto.
2454         (tablejump): Ditto.
2455         (rsqrtsf2): Ditto.
2456         * config/i386/sse.md (storentv4sf): Ditto.
2457         (storentv2df): Ditto.
2458         (storentv2di): Ditto.
2459         (storentsi): Ditto.
2460         (sse2_cvtpd2ps): Ditto.
2461         (vec_interleave_highv16qi): Ditto.
2462         (vec_interleave_lowv16qi): Ditto.
2463         (vec_interleave_highv8hi): Ditto.
2464         (vec_interleave_lowv8hi): Ditto.
2465         (vec_interleave_highv4si): Ditto.
2466         (vec_interleave_lowv4si): Ditto.
2467         (vec_interleave_highv2di): Ditto.
2468         (vec_interleave_lowv2di): Ditto.
2469         (sse2_maskmovdqu): Ditto.
2470         * config/i386/mmx.md (mmx_maskmovq): Ditto.
2471
2472 2007-09-09  Ira Rosen  <irar@il.ibm.com>
2473
2474         * tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
2475         (struct _slp_tree, struct _slp_instance): Define new data structures
2476         along macros for their access.
2477         (struct _loop_vec_info): Define new fields: strided_stores,
2478         slp_instances, and slp_unrolling_factor along macros for their access.
2479         (enum slp_vect_type): New.
2480         (struct _stmt_vec_info): Define new field, slp_type, and macros for
2481         its access.
2482         (STMT_VINFO_STRIDED_ACCESS): New macro.
2483         (vect_free_slp_tree): Declare.
2484         (vectorizable_load): Add an argument of type slp_tree.
2485         (vectorizable_store, vectorizable_operation, vectorizable_conversion,
2486         vectorizable_assignment): Likewise.
2487         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
2488         Declare (make extern).
2489         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2490         (new_loop_vec_info): Likewise.
2491         (destroy_loop_vec_info): Free memory allocated for SLP structures.
2492         * tree-vect-analyze.c: Include recog.h.
2493         (vect_update_slp_costs_according_to_vf): New.
2494         (vect_analyze_operations): Add argument for calls to vectorizable_ ()
2495         functions. For not pure SLP stmts with strided access check that the
2496         group size is power of 2. Update the vectorization factor according to
2497         SLP. Call vect_update_slp_costs_according_to_vf.
2498         (vect_analyze_group_access): New.
2499         (vect_analyze_data_ref_access): Call vect_analyze_group_access.
2500         (vect_free_slp_tree): New functions.
2501         (vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
2502         vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
2503         vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
2504         vect_detect_hybrid_slp): Likewise.
2505         (vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
2506         and vect_detect_hybrid_slp.
2507         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
2508         SLP costs into account.
2509         (vect_get_cost_fields): New function.
2510         (vect_model_simple_cost): Make extern, add SLP parameter and handle
2511         SLP.
2512         (vect_model_store_cost, vect_model_load_cost): Likewise.
2513         (vect_get_constant_vectors): New function.
2514         (vect_get_slp_vect_defs, vect_get_slp_defs,
2515         vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
2516         vect_get_vec_defs): Likewise.
2517         (vectorizable_reduction): Don't handle SLP for now.
2518         (vectorizable_call): Don't handle SLP for now. Add argument to
2519         vect_model_simple_cost.
2520         (vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
2521         get SLPed and vectorized defs). Fix indentation and spacing.
2522         (vectorizable_assignment): Handle SLP.
2523         (vectorizable_induction): Don't handle SLP for now.
2524         (vectorizable_operation): Likewise.
2525         (vectorizable_type_demotion): Add argument to
2526         vect_model_simple_cost.
2527         (vectorizable_type_promotion): Likewise.
2528         (vectorizable_store, vectorizable_load): Handle SLP.
2529         (vectorizable_condition): Don't handle SLP for now.
2530         (vect_transform_stmt): Add a new argument for SLP. Check that there is
2531         no SLP transformation required for unsupported cases. Add SLP
2532         argument for supported cases.
2533         (vect_remove_stores): New function.
2534         (vect_schedule_slp_instance, vect_schedule_slp): Likewise.
2535         (vect_transform_loop): Schedule SLP instances.
2536         * Makefile.in: (tree-vect-analyze.o): Depend on recog.h.
2537
2538 2007-09-09  Andrew Haley  <aph@redhat.com>
2539
2540         * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the fake
2541         signed optab.
2542
2543 2007-09-09  Hans-Peter Nilsson  <hp@axis.com>
2544
2545         Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
2546         * doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
2547         Similar for what label_refs can go in the JUMP_TARGET field.  Split
2548         REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
2549         * reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
2550         REG_LABEL when replacing an operand with a LABEL_REF for a
2551         non-jump insn.
2552         (subst_reloads): When replacing a LABEL_REG with a register,
2553         instead of generating a REG_LABEL note, assert that there already
2554         is one or that the label is a known target for the insn.
2555         * rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
2556         note, check the JUMP_LABEL field.  Remove "else" after return.
2557         * reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
2558         cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
2559         (fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
2560         REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
2561         insns.  Iterate over all notes; don't assume there's only one.
2562         * cse.c (recorded_label_ref): Adjust comment to refer to
2563         REG_LABEL_OPERAND.
2564         (cse_extended_basic_block): Do LABEL_REF check for all INSN_P
2565         insns, not just NONJUMP_INSN_P.
2566         (check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
2567         isn't a jump target.
2568         * jump.c (rebuild_jump_labels): Adjust head comment.
2569         (init_label_info): Ditto.  Remove REG_LABEL_OPERAND notes only;
2570         don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
2571         (mark_all_labels): For JUMP_P insns without a target, check if the
2572         the target is noted on the previous nonjump insn.
2573         (mark_jump_label_1): New function, guts from mark_jump_label.
2574         <case IF_THEN_ELSE>: Handle first operand as a non-target when
2575         marking jump target labels.
2576         <case LABEL_REF>: Adjust for whether to generate a
2577         REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
2578         For 'E' format rtl, iterate in descending element order.
2579         (delete_related_insns): Handle both REG_LABEL_TARGET and
2580         REG_LABEL_OPERAND notes.  For JUMP_P insns with labels with zero
2581         reference count, delete and fallthrough.  Move finding-next-
2582         non-deleted insn last in the function.  Look at all INSN_P insns
2583         for REG_LABEL_OPERAND notes.
2584         (redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
2585         JUMP.
2586         * print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
2587         JUMP_LABEL, output the INSN_UID of it.
2588         * gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
2589         and/or REG_LABEL_TARGET.
2590         (add_label_notes): Only add REG_LABEL_OPERAND notes.  Put in line
2591         with jump.c copy by only adding notes for labels actually
2592         referenced in the insn.
2593         * emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
2594         usage count increment; handle all INSN_P trial insns.
2595         (emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
2596         notes.
2597         * rtl.h (struct rtx_def) <volatil>: Adjust to mention
2598         REG_LABEL_TARGET and REG_LABEL_OPERAND.
2599         (LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
2600         REG_LABEL_OPERAND.
2601         * combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
2602         JUMP_P insns and REG_LABEL_OPERAND everywhere.
2603         * sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
2604         on all INSN_P insns.
2605         * reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
2606         * cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
2607         REG_LABEL_OPERAND notes.
2608         * reload1.c (calculate_needs_all_insns): Adjust comments.
2609         (set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
2610         * config/alpha/alpha.md (split for load of an address into a
2611         four-insn sequence on Unicos/Mk): Adjust to use
2612         REG_LABEL_OPERAND.
2613         * config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
2614
2615 2007-09-09  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2616
2617         Revert:
2618         2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2619         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2620         FOR_BB_INSNS_SAFE instead of for loop.
2621         * cse.c (cse_extended_basic_block): Likewise.
2622         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2623         that the for loop does not invoke NEXT_INSN on a deleted insn.
2624         * function.c (instantiate_virtual_regs): Likewise.
2625         * lower-subreg.c (remove_retval_note): Likewise.
2626         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2627         FOR_BB_INSNS.
2628         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2629         a deleted insn.
2630         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2631         insn, if it's a jump.
2632         (try_redirect_by_replacing_jump): New variable jump_p. Call
2633         tablejump_p before delete_insn_chain.
2634         * reload1.c (reload): New variable next. Make sure that the for
2635         loop does not invoke NEXT_INSN on a deleted insn.
2636         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2637         (delete_output_reload): New variable prev. Make sure the the for
2638         loops do not invoke PREV_INSN on a deleted insn.
2639
2640 2007-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2641
2642         * pa/constraints.md: Remove 'X' from unused letters comment.
2643
2644 2007-09-08  Richard Guenther  <rguenther@suse.de>
2645
2646         * tree-tailcall.c (find_tail_calls): If we don't have aliases
2647         computed check stmt_ann->references_memory instead of counting
2648         virtual operands.
2649
2650 2007-09-08  Segher Boessenkool  <segher@kernel.crashing.org>
2651
2652         * cse.c (fold_rtx): Use validate_unshare_change() instead of
2653         validate_change() in one more case.
2654
2655 2007-09-08  Zdenek Dvorak  <ook@ucw.cz>
2656
2657         PR tree-optimization/32283
2658         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
2659         estimated_loop_iterations.
2660         (determine_use_iv_cost_condition): Decrease cost of expressions
2661         used in iv elimination.
2662
2663 2007-09-08  Richard Guenther  <rguenther@suse.de>
2664
2665         * tree-cfg.c (verify_gimple_expr): Avoid building new
2666         pointer types, use TYPE_POINTER_TO if available instead.
2667
2668 2007-09-08  Uros Bizjak  <ubizjak@gmail.com>
2669
2670         PR target/33329
2671         PR rtl-optimization/26449
2672         * config/i386/sse.md (mulv4si3): Do not expand sse2 sequence.
2673         (*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
2674         split1 pass.
2675         (mulv16qi3): Implement as define_insn_and_split pattern instead of
2676         define_expand.  Split insn in split1 pass.
2677         (mulv2di3): Ditto.
2678
2679 2007-09-08  Dorit Nuzman  <dorit@il.ibm.com>
2680
2681         PR tree-optimization/33301
2682         * tree-vect-analyze (analyze_operations): Look at the type of the rhs
2683         when relevant.
2684
2685 2007-09-07  Zdenek Dvorak  <ook@ucw.cz>
2686
2687         PR tree-optimization/32183
2688         * Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).
2689
2690         * tree-ssa-reassoc.c: Include cfgloop.h.
2691         (is_reassociable_op): Add a loop argument and return true only
2692         for inside loop.
2693         (linearize_expr): Updated.
2694         (should_break_up_subtract): Likewise.
2695         (linearize_expr_tree): Likewise.
2696         (init_reassoc): Call loop_optimizer_init with
2697         AVOID_CFG_MODIFICATIONS.  Remove calculate_dominance_info call
2698         with CDI_DOMINATORS.
2699         (fini_reassoc): Call loop_optimizer_finalize.
2700
2701 2007-09-07  Sterling Augustine  <sterling@tensilica.com>
2702
2703         * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even
2704         if there is no i-cache.
2705
2706 2007-09-07  Richard Guenther  <rguenther@suse.de>
2707
2708         Reapply
2709         2007-09-06  Richard Guenther  <rguenther@suse.de>
2710
2711         PR tree-optimization/32586
2712         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2713         folding if nothing changed.
2714         (simplify_unary_expression): New function.  Do tree combining
2715         on conversion like codes.
2716         (try_to_simplify): Call it.
2717
2718 2007-09-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2719
2720         PR target/33286
2721         * gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux.
2722         (__gthread_active,__gthread_start, __gthread_active_init): New.
2723         * gthr-posix95.h: Likewise.
2724
2725 2007-09-07  Roman Zippel <zippel@linux-m68k.org>
2726
2727         * function.h (struct function): Rename calls_unwind_init
2728         to saves_all_registers.
2729         (current_function_saves_all_registers): Renamed from
2730         current_function_calls_unwind_init.
2731         * reload1.c (reload): Set current_function_saves_all_registers.
2732         * except.c (expand_builtin_unwind_init): Likewise.
2733         * config/m68k/m68k.c (m68k_save_reg): Use
2734         current_function_saves_all_registers to save pic register.
2735
2736 2007-09-07  Janis Johnson  <janis187@us.ibm.com>
2737
2738         config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN.
2739         config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto.
2740
2741         Reapply reverted changes:
2742
2743         2007-09-06  Jan Hubicka  <jh@suse.cz>
2744
2745         * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call
2746         of real_2expN.
2747
2748         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2749
2750         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2751         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2752
2753         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2754
2755         * optabs.c (expand_float): Convert unsigned integer as signed only
2756         if it provides sufficient accuracy; add mode argument to real_2expN.
2757         (expand_fix): Fix comment typos; extend binary float into mode
2758         wider than destination for converion to unsigned integer; add mode
2759         argument to real_2expN.
2760         * real.c (real_2expN): Add mode argument to special-case decimal
2761         float values.
2762         * real.h (real_2expN): Ditto.
2763         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2764         real_2expN.
2765         (fixed_from_string): Ditto.
2766         (fixed_to_decimal): Ditto.
2767         (fixed_convert_from_real): Ditto.
2768         (real_convert_from_fixed): Ditto.
2769         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2770         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2771         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2772         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2773
2774 2007-09-07  Diego Novillo  <dnovillo@google.com>
2775
2776         * tree-flow.h (const_block_stmt_iterator): Remove.
2777         Update all users to use block_stmt_iterator.
2778         * tree-iterator.h (const_tree_stmt_iterator): Remove.
2779         Update all users to use tree_stmt_iterator.
2780
2781 2007-09-07  Sandra Loosemore  <sandra@codesourcery.com>
2782
2783         * config/mips/mips.c (mips_set_current_function): Temporarily
2784         make this a no-op to fix bootstrap errors, pending rewrite.
2785
2786 2007-09-07  Jan Hubicka  <jh@suse.cz>
2787
2788         * reorg.c (dbr_schedule): Move code removing placeholder USEs later
2789         in the pass.
2790
2791 2007-09-07  Dorit Nuzman  <dorit@il.ibm.com>
2792
2793         PR tree-optimization/33299
2794         * tree-vect-transform.c (vect_create_epilog_for_reduction): Update
2795         uses for all relevant loop-exit phis, not just the first.
2796
2797 2007-09-07  Richard Guenther  <rguenther@suse.de>
2798
2799         PR middle-end/33330
2800         * tree-ssa-operands.c (access_can_touch_variable): An access
2801         of the form (*p)[0] can touch a variable of same size.
2802
2803 2007-09-07  Jan Hubicka  <jh@suse.cz>
2804
2805         * passes.c (init_optimization_passes): Add simple dce and addressable
2806         passes.
2807         * tree-ssa.c (execute_update_addresses_taken): New function.
2808         (pass_update_address_taken): New.
2809         * tree-ssa-dse.c (execute_simple_dse): New function.
2810         (pass_simple_dse): New.
2811         * tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare.
2812
2813 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2814
2815         PR middle-end/33321
2816         * doc/invoke.texi: Fix -Wstrict-overflow= table.
2817
2818 2007-09-07  Richard Guenther  <rguenther@suse.de>
2819
2820         Revert
2821         2007-09-06  Richard Guenther  <rguenther@suse.de>
2822
2823         PR tree-optimization/32586
2824         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2825         folding if nothing changed.
2826         (simplify_unary_expression): New function.  Do tree combining
2827         on conversion like codes.
2828         (try_to_simplify): Call it.
2829
2830 2007-09-07  Richard Guenther  <rguenther@suse.de>
2831             Uros Bizjak  <ubizjak@gmail.com>
2832
2833         PR tree-optimization/32821
2834         * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
2835         NULL in the call to set_bb_stmt_list.
2836
2837 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2838
2839         * config/mips/mips.c (build_mips16_call_stub): Emit all direct
2840         float calls here, rather than leaving some to the caller.
2841         Use call_internal_direct and call_value_internal_direct.
2842         * config/mips/mips.md (call_internal_direct): New pattern.
2843         (call_value_internal_direct): Likewise.
2844
2845 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2846
2847         * config/mips/mips.c (mips_base_move_loop_invariants): New variable.
2848         (mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
2849         to 0 for MIPS16.
2850         (override_options): Set mips_base_move_loop_invariants.
2851
2852 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2853
2854         * config/mips/mips.opt (mcode-readable=): Move to keep list
2855         alphabetical.
2856
2857 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2858
2859         * doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
2860         and -mgpopt options.  Adjust the -G documentation to match.
2861         * config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
2862         * config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
2863         function, split out from mips_classify_symbol.  Return false for
2864         !TARGET_LOCAL_SDATA.
2865         (mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
2866         Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
2867         (override_options): Check whether the -mgpopt setting is consistent
2868         with the other flags.
2869         (symbolic_expression_p): Delete.
2870         (mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
2871         and default_elf_select_rtx_section.
2872         (mips_in_small_data_p): Honor section attributes for MIPS16 too.
2873         Return false for local data unless TARGET_LOCAL_SDATA.  Likewise
2874         external data and TARGET_EXTERN_SDATA.
2875
2876 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2877
2878         PR fortran/33303
2879         * doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__.
2880
2881 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2882
2883         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2884         FOR_BB_INSNS_SAFE instead of for loop.
2885         * cse.c (cse_extended_basic_block): Likewise.
2886         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2887         that the for loop does not invoke NEXT_INSN on a deleted insn.
2888         * function.c (instantiate_virtual_regs): Likewise.
2889         * lower-subreg.c (remove_retval_note): Likewise.
2890         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2891         FOR_BB_INSNS.
2892         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2893         a deleted insn.
2894         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2895         insn, if it's a jump.
2896         (try_redirect_by_replacing_jump): New variable jump_p. Call
2897         tablejump_p before delete_insn_chain.
2898         * reload1.c (reload): New variable next. Make sure that the for
2899         loop does not invoke NEXT_INSN on a deleted insn.
2900         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2901         (delete_output_reload): New variable prev. Make sure the the for
2902         loops do not invoke PREV_INSN on a deleted insn.
2903
2904 2007-09-06  Zdenek Dvorak  <ook@ucw.cz>
2905
2906         * cgraphbuild.c (rebuild_cgraph_edges): Export.
2907         * cgraph.h (rebuild_cgraph_edges): Declare.
2908         * tree-pass.h (pass_expand_omp_ssa): New.
2909         * omp-low.c (find_omp_clause): Export.
2910         (copy_var_decl): Split from omp_copy_decl_2.
2911         (build_omp_barrier): Return the call to emit instead of emitting
2912         it directly.
2913         (lower_rec_input_clauses, expand_omp_single): Gimplify the result of
2914         build_omp_barrier.
2915         (extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
2916         expand_omp_for_generic, expand_omp_for_static_nochunk,
2917         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
2918         Adapted to work on SSA form.
2919         (execute_expand_omp): Do not invalidate dominance information.
2920         (gate_expand_omp): Do not run with -fopenmp-ssa flag.
2921         (gate_expand_omp_ssa, pass_expand_omp_ssa): New.
2922         * gimplify.c (gimplify_omp_for): Ensure that the control variable is
2923         a gimple_reg.
2924         (force_gimple_operand): Allow gimplifying code expressions without
2925         value.
2926         * tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
2927         * common.opt (fopenmp-ssa): New.
2928         * tree-flow.h (find_omp_clause, copy_var_decl): Declare.
2929         * Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
2930         * tree-cfg.c: Include tree-inline.h.
2931         (struct move_stmt_d): Replace vars_to_remove by vars_map field.
2932         (replace_by_duplicate_decl, replace_ssa_name,
2933         mark_virtual_ops_in_region): New functions.
2934         (move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
2935         to work on SSA form.
2936         * passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
2937         * tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
2938         constructs.
2939
2940 2007-09-06  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2941
2942         * tree-loop-linear.c: Include obstack.h.
2943         (linear_transform_loops): New obstack lambda_obstack.
2944         Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
2945         lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
2946         and free afterwards.
2947         * lambda.h (struct obstack): New forward declaration.
2948         (lambda_linear_expression_new): New parameter of type struct
2949         obstack *.
2950         (lambda_loopnest_new): Likewise.
2951         (lambda_loopnest_transform): Likewise.
2952         (lambda_body_vector_new): Likewise.
2953         (lambda_body_vector_compute_new): Likewise.
2954         (gcc_loopnest_to_lambda_loopnest): Likewise.
2955         (lambda_loopnest_to_gcc_loopnest): Likewise.
2956         * lambda-code.c: Include obstack.h.
2957         (lambda_lattice_new): New parameter lambda_obstack.  Use it for
2958         allocation of ret.
2959         (lambda_body_vector_new): Likewise.
2960         (lambda_linear_expression_new): Likewise.
2961         (lambda_lattice_new): Likewise.
2962         (lambda_loopnest_new): Likewise.  Additionally use obstack to
2963         allocate LN_LOOPS(ret).
2964         (lambda_lattice_compute_base): New parameter lambda_obstack.  Pass
2965         it to lambda_lattice_new.
2966         (lambda_body_vector_compute_new): New parameter lambda_obstack.
2967         Pass it to lambda_body_vector_new.
2968         (lambda_lattice_compute_base): New paramater lambda_obstack.  Pass
2969         it to lambda_lattice_new.
2970         (compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
2971         Pass it to lambda_loopnest_new, lambda_linear_expression_new.
2972         (lambda_compute_target_space): Likewise.
2973         (lambda_compute_auxillary_space): New parameter lambda_obstack.
2974         Pass it to lambda_lattice_compute_base and
2975         compute_nest_using_fourieer_motzkin.
2976         (lambda_loopnest_transform): New parameter lambda_obstack.  Pass
2977         it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
2978         and lambda_lattice_compute_target_space.
2979         (gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
2980         Pass it to lambda_linear_expression_new.
2981         (gcc_loop_to_lambda_loop): New parameter lambda_obstack.  Pass it
2982         to gcc_tree_to_linear_expression.
2983         (gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
2984         Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
2985         (lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
2986         Pass it to lambda_body_vector_new and
2987         lambda_body_vector_compute_new.
2988         * Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
2989         (lambda-code.o): Likewise.
2990
2991 2007-09-06  Chao-ying Fu  <fu@mips.com>
2992
2993         * ginclude/stdfix.h: New file.
2994         * Makefile.in (USER_H): Add $(srcdir)/ginclude/stdfix.h.
2995         (convert.o): Add dependence on fixed-value.h.
2996         * c-convert.c (convert): Support FIXED_POINT_TYPE.
2997         * c-cppbuiltin.c (builtin_define_fixed_point_constants): New function
2998         to define fixed-point constants.
2999         (c_cpp_builtins): Define fixed-point constants.
3000         * convert.c (fixed-value.h): New include.
3001         (convert_to_real): Update comment to include fixed-point.
3002         Support FIXED_POINT_TYPE.
3003         (convert_to_integer): Update comment to include fixed-point.
3004         Support FIXED_POINT_TYPE.
3005         (convert_to_complex): Support FIXED_POINT_TYPE.
3006         (convert_to_fixed): New function.
3007         * convert.h (convert_to_fixed): Declare.
3008         * genopinit.c: Add comment about $Q for only fixed-point modes.
3009         (optabs): Add fract_optab, fractuns_optab, satfract_optab,
3010         satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab,
3011         sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab,
3012         ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab,
3013         usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab,
3014         usneg_optab for fixed-point modes.
3015         (gen_insn): Add force_fixed to track the $Q format for all fixed-point
3016         modes.
3017         * optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR,
3018         PLUS_EXPR, MINUS_EXPR, MULT_EXPR, NEGATE_EXPR, return signed or
3019         unsigned saturation optabs, when type is saturating.
3020         (shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT.
3021         (expand_fixed_convert): New function.
3022         (gen_fixed_libfunc, gen_signed_fixed_libfunc,
3023         gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc,
3024         gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc,
3025         gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc,
3026         gen_fract_conv_libfunc, gen_fractuns_conv_libfunc,
3027         gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New
3028         functions.
3029         (init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab,
3030         ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab,
3031         usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab,
3032         ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab,
3033         usneg_optab, fract_optab, fractuns_optab, satfract_optab,
3034         satfractuns_optab.
3035         Initialize fixed-point libraries, including add, ssadd, usadd, sub,
3036         sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl,
3037         ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract,
3038         fractuns, satfractuns.
3039         * optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub,
3040         OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg,
3041         OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen,
3042         OTI_ssmsub_widen,  OTI_usmsub_widen.
3043         (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
3044         usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
3045         ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab,
3046         umsub_widen_optab, usmsub_widen_optab): Define.
3047         (enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract,
3048         COI_satfractuns.
3049         (fract_optab, fractuns_optab, satfract_optab, satfractuns_optab):
3050         Define.
3051         (expand_fixed_convert): Declare.
3052         * expr.c (convert_move): Support the move of fixed-point modes.
3053         (emit_move_insn_1): Handle fixed-point mode to move via integer.
3054         (categorize_ctor_elements_1): Handle FIXED_CST.
3055         (count_type_elements): Handle FIXED_POINT_TYPE.
3056         (expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT,
3057         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
3058         Support FIXED_CST.
3059         For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating
3060         multiply and add/subtract for fixed-point types.
3061         For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point
3062         mode, we jump to binop directly.
3063         Support FIXED_CONVERT_EXPR.
3064         (do_store_flag): Check FIXED_CST to put a constant second.
3065         (vector_mode_valid_p): Handle MODE_VECTOR_FRACT,
3066         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
3067         (const_vector_from_tree): Support FIXED_CST.
3068         * doc/extend.texi (Fixed-Point): New node.
3069         * doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv,
3070         ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract,
3071         satfract, fractuns, satfractuns): Document them.
3072
3073 2007-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
3074
3075         * config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc
3076         addresses into I registers.
3077
3078 2007-09-06  Jan Hubicka  <jh@suse.cz>
3079             Andreas Tobler  <a.tobler@schweiz.org>
3080
3081         * config/darwin.c (machopic_indirect_data_reference): Avoid invalid
3082         sharing.
3083         (machopic_legitimize_pic_address): Likewise.
3084
3085 2007-09-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3086             Jan Hubicka  <jh@suse.cz>
3087
3088         * config/spu/spu.md (floatsidf2): Use convert_optab_libfunc
3089         instead of ufloat_optab->handlers directly.
3090         (floatdidf2): Likewise.
3091
3092 2007-09-06  Sandra Loosemore  <sandra@codesourcery.com>
3093
3094         * config/mips/mips.c:  Include diagnostic.h.
3095         (mips_set_current_function): Check errorcount and sorrycount
3096         before generating RTL.
3097
3098 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
3099
3100         PR target/33256
3101         * config/mips/mips.c (mips_classify_symbolic_expression): New function.
3102         (mips_classify_address): Use it instead of mips_symbolic_constant_p.
3103         (print_operand_reloc): Likewise.
3104
3105 2007-09-06  Janis Johnson  <janis187@us.ibm.com>
3106
3107         Revert:
3108
3109         2007-09-06  Jan Hubicka  <jh@suse.cz>
3110
3111         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
3112         real_2expN.
3113
3114         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
3115
3116         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
3117         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
3118
3119         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
3120
3121         * optabs.c (expand_float): Convert unsigned integer as signed only
3122         if it provides sufficient accuracy; add mode argument to real_2expN.
3123         (expand_fix): Fix comment typos; extend binary float into mode
3124         wider than destination for converion to unsigned integer; add mode
3125         argument to real_2expN.
3126         * real.c (real_2expN): Add mode argument to special-case decimal
3127         float values.
3128         * real.h (real_2expN): Ditto.
3129         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
3130         real_2expN.
3131         (fixed_from_string): Ditto.
3132         (fixed_to_decimal): Ditto.
3133         (fixed_convert_from_real): Ditto.
3134         (real_convert_from_fixed): Ditto.
3135         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
3136         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
3137         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
3138         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
3139
3140 2007-09-06  Tom Tromey  <tromey@redhat.com>
3141
3142         * tree-cfg.c (remove_bb): Only warn if line is non-zero.
3143         * c-pch.c (c_common_read_pch): Restore current location after
3144         reading PCH file.
3145         * tree.c (expand_location): Update.
3146         (expr_filename): Changed return type.  Unified the two cases.
3147         (expr_lineno): Likewise.
3148         (annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
3149         as lvalues.
3150         * toplev.c (line_table): Changed type.
3151         (general_init): Update.
3152         (realloc_for_line_map): New function.
3153         (general_init): Allocate line_table using GC.
3154         * fix-header.c (line_table): Changed type.
3155         (read_scan_file): Update.
3156         (read_scan_file): Update.
3157         * c-ppoutput.c (maybe_print_line): Update.
3158         (print_line): Update.
3159         (cb_line_change): Update.
3160         (cb_define): Update.
3161         (pp_file_change): Update.
3162         * c-opts.c (c_common_init_options): Update.
3163         (finish_options): Update.
3164         (push_command_line_include): Update.
3165         * c-lex.c (cb_line_change): Update.
3166         (cb_def_pragma): Update.
3167         (cb_define): Update.
3168         (cb_undef): Update.
3169         (c_lex_with_flags): Use cpp_get_token_with_location.
3170         * input.h (line_table): Changed type.
3171         (location_from_locus): New macro.
3172         * tree.h (EXPR_FILENAME): No longer an lvalue.
3173         (EXPR_LINENO): Likewise.
3174         (expr_locus, set_expr_locus): Declare separately for
3175         USE_MAPPED_LOCATION.
3176         (expr_filename, expr_lineno): Changed return type.
3177         * gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
3178         * cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
3179         (expand_gimple_basic_block): Likewise.
3180         * final.c (final_scan_insn): Use expanded_location.
3181
3182 2007-09-06  Richard Guenther  <rguenther@suse.de>
3183
3184         PR tree-optimization/32586
3185         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
3186         folding if nothing changed.
3187         (simplify_unary_expression): New function.  Do tree combining
3188         on conversion like codes.
3189         (try_to_simplify): Call it.
3190         * builtins.c (fold_builtin_cexp): Fold the built expressions.
3191         * fold-const.c (fold_unary): Test result of get_callee_fndecl().
3192
3193 2007-09-06  Jan Hubicka  <jh@suse.cz>
3194
3195         PR target/33318
3196         * cse.c (fold_rtx): Avoid invalid sharing.
3197
3198 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
3199
3200         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
3201         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
3202
3203 2007-09-06  Revital Eres  <eres@il.ibm.com>
3204
3205         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3206         Fix offsettable memory reference for 750CL.
3207
3208 2007-09-06  Pat Haugen  <pthaugen@us.ibm.com>
3209
3210         * reload.c (find_reloads_address_1): Try to preserve original
3211         base/index regclass of operands.
3212         * regrename.c (scan_rtx_address): Likewise.
3213         (replace_oldest_value_addr): Likewise.
3214
3215 2007-09-06  Richard Guenther  <rguenther@suse.de>
3216
3217         PR tree-optimization/33302
3218         * domwalk.c (walk_dominator_tree): The exit block is
3219         interesting even if it is not reachable.
3220
3221 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
3222
3223         PR middle-end/33306
3224         * optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode.
3225
3226 2007-09-06  Basile Starynkevitch  <basile@starynkevitch.net>
3227
3228         * cfg.c (dump_bb_info, dump_edge_info): Added cfun test for
3229         robustness.
3230
3231 2007-09-05  Ian Lance Taylor  <iant@google.com>
3232
3233         * tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int
3234         when printing.
3235         (dump_generic_node): Likewise.
3236         * print-rtl.c (print_decl_name): Likewise.
3237         * print-tree.c (print_node_brief): Likewise.
3238         (print_node): Likewise.
3239         * Makefile.in (RTL_BASE_H): Add alias.h.
3240         (TREE_H): Likewise.
3241
3242 2007-09-06  Jesper Nilsson  <jesper.nilsson@axis.com>
3243
3244         * longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros):
3245         Defined.
3246         * config/cris/cris.md (ctzsi2, cris_swap_bits): Implemented.
3247         * config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined.
3248
3249 2007-09-06  Jie Zhang  <jie.zhang@analog.com>
3250
3251         * config.gcc (tm_file): Add linux.h for bfin*-uclinux*.
3252         (tm_defines): Define UCLIBC_DEFAULT to 1.
3253         (extra_options): Add linux.opt.
3254         * config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define.
3255         (CRT_CALL_STATIC_FUNCTION): Likewise.
3256         (NO_IMPLICIT_EXTERN_C): Likewise.
3257         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
3258         * config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define.
3259         * config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define.
3260         (ENDFILE_SPEC): Don't define.
3261         (LIB_SPEC): Likewise.
3262         (CRT_CALL_STATIC_FUNCTION): Likewise.
3263         (NO_IMPLICIT_EXTERN_C): Likewise.
3264         (LINUX_TARGET_OS_CPP_BUILTINS): Likewise.
3265         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
3266
3267 2007-09-06  Jan Hubicka  <jh@suse.cz>
3268
3269         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
3270         real_2expN.
3271
3272 2007-09-06  Jan Hubicka  <jh@suse.cz>
3273
3274         * opts.c (common_handle_option): Enable inlining functions for
3275         -fprofile-generate.
3276
3277 2007-09-06  Jakub Jelinek  <jakub@redhat.com>
3278
3279         * builtin-attrs.def (ATTR_NONNULL_3): New.
3280         (DEF_FORMAT_ATTRIBUTE): Use just ATTR_NONNULL_##FA instead of
3281         ATTR_NOTHROW_NONNULL_##FA.
3282         (DEF_FORMAT_ATTRIBUTE_NOTHROW, DEF_FORMAT_ATTRIBUTE_BOTH): New macros.
3283         (ATTR_FORMAT_PRINTF_NOTHROW_2_0, ATTR_PRINTF_NOTHROW_2_3,
3284         ATTR_FORMAT_PRINTF_NOTHROW_3_0, ATTR_FORMAT_PRINTF_NOTHROW_3_4,
3285         ATTR_FORMAT_PRINTF_NOTHROW_4_0, ATTR_PRINTF_NOTHROW_4_5,
3286         ATTR_FORMAT_PRINTF_NOTHROW_5_0, ATTR_FORMAT_PRINTF_NOTHROW_5_6,
3287         ATTR_FORMAT_SCANF_NOTHROW_2_0, ATTR_FORMAT_SCANF_NOTHROW_2_3,
3288         ATTR_FORMAT_STRFTIME_NOTHROW_3_0, ATTR_FORMAT_STRFMON_NOTHROW_3_4):
3289         New.
3290         (ATTR_FORMAT_PRINTF_4_0, ATTR_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0,
3291         ATTR_FORMAT_PRINTF_5_6, ATTR_FORMAT_STRFTIME_3_0,
3292         ATTR_FORMAT_NOTHROW_3_4): Remove.
3293         * builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf,
3294         vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk,
3295         __vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_*
3296         instead of ATTR_FORMAT_*_*.
3297
3298 2007-09-06  Hans-Peter Nilsson  <hp@axis.com>
3299
3300         * config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on
3301         parts re-used for REG_FRAME_RELATED_EXPR.
3302
3303 2007-09-05  Janis Johnson  <janis187@us.ibm.com>
3304
3305         * optabs.c (expand_float): Convert unsigned integer as signed only
3306         if it provides sufficient accuracy; add mode argument to real_2expN.
3307         (expand_fix): Fix comment typos; extend binary float into mode
3308         wider than destination for converion to unsigned integer; add mode
3309         argument to real_2expN.
3310         * real.c (real_2expN): Add mode argument to special-case decimal
3311         float values.
3312         * real.h (real_2expN): Ditto.
3313         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
3314         real_2expN.
3315         (fixed_from_string): Ditto.
3316         (fixed_to_decimal): Ditto.
3317         (fixed_convert_from_real): Ditto.
3318         (real_convert_from_fixed): Ditto.
3319         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
3320         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
3321         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
3322         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
3323
3324 2007-09-05  Ian Lance Taylor  <iant@google.com>
3325
3326         * init-regs.c (initialize_uninitialized_regs): Call
3327         emit_insn_before rather than add_insn_before.
3328
3329 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3330
3331         * builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
3332         * tree.h (CALL_EXPR_VA_ARG_PACK): Define.
3333         * tree-inline.h (copy_body_data): Add call_expr field.
3334         * tree-inline.c (expand_call_inline): Initialize call_expr.
3335         (copy_bb): Append anonymous inline fn arguments to arguments
3336         when inlining a CALL_EXPR_VA_ARG_PACK call.
3337         * builtins.c (expand_builtin): Issue an error if
3338         BUILT_IN_VA_ARG_PACK is seen during expand.
3339         (fold_call_expr, fold_builtin_call_array): Don't fold
3340         CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with
3341         __builtin_va_arg_pack () call as last argument.
3342         * gimplify.c (gimplify_call_expr): If last argument to a vararg
3343         function is __builtin_va_arg_pack (), decrease number of call
3344         arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
3345         * expr.c (expand_expr_real_1): Issue an error if
3346         CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
3347         * tree-pretty-print.c (dump_generic_node): Handle printing
3348         CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs.
3349         * doc/extend.texi (__builtin_va_arg_pack): Document.
3350
3351 2007-09-05  Adam Nemet  <anemet@caviumnetworks.com>
3352
3353         PR tree-optimization/21513
3354         * builtins.c (build_builtin_expect_predicate): New function.
3355         (fold_builtin_expect): Add argument for expected value.
3356         Distribute __builtin_expect over short-circuiting operations.
3357         Fold nested builtin_expects.
3358         (fold_builtin_2): Adjust call to fold_builtin_expect.
3359
3360 2007-09-05  Rask Ingemann Lambertsen  <rask@sygehus.dk>
3361
3362         PR web/32965
3363         PR tree-optimization/13756
3364         * doc/invoke.texi (Options That Control Optimization): Document
3365         -ftree-dse.
3366
3367 2007-09-05  Uros Bizjak  <ubizjak@gmail.com>
3368
3369         * gcc/config/i386/cpuid.h: New file.
3370         * gcc/config/i386/driver-i386.c: Include cpuid.h.
3371         (describe_cache): Shrink size and line strings to 100 bytes.
3372         (detect_caches_amd): Return "" for unsupported max_ext_level.
3373         Use __cpuid function.
3374         (detect_caches_intel): Return "" for unsupported max_level.
3375         Use __cpuid function.
3376         (host_detect_local_cpu): Change feature flag variables to
3377         unsigned int.  Initialize only extended feature flag variables.
3378         Use __get_cpuid_max to determine max supported cpuid level.
3379         Use __cpuid function to determine supported features.  Fix
3380         calculation of family id.  Remove is_amd and check signature
3381         directly.  Check for Geode signature.  Handle family 4 id.
3382         [PROCESSOR_GENERIC32]: New default for unknown family id.  Move
3383         cpu discovery code to lower part of the function.
3384         [PROCESSOR_PENTIUM, PROCESSOR_K6, PROCESSOR_ATHLON]: Do not tune
3385         for sub-architecture.
3386         [PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code.
3387         [PROCESSOR_K8]: Add k8-sse3 architecture.
3388         [PROCESSOR_NOCONA]: Remove.
3389         [PROCESSOR_GENERIC64]: Ditto.
3390         * gcc/config/i386/x-i386 (driver-i386.o): Depend on cpuid.h.
3391         * gcc/config/i386/crtfastmath.c: Include cpuid.h.  Use __get_cpuid
3392         to check for SSE and FXSAVE support.
3393         * gcc/config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h.
3394         Add -minline-all-stringops.
3395         * gcc/config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers.
3396         (x86_64-*-*): Ditto.
3397
3398 2007-09-05  Jie Zhang  <jie.zhang@analog.com>
3399
3400         * config/bfin/linux-unwind.h: New file.
3401         * config/bfin/linux.h (MD_UNWIND_SUPPORT): Define.
3402         * config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define.
3403
3404 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3405
3406         * Makefile.in (stmt.o): Add alloc-pool.h dependency.
3407         * stmt.c: Include alloc-pool.h.
3408         (struct case_node): Remove GTY marker.
3409         (add_case_node): New parameter case_node_pool.  Use it for
3410         allocation of r.
3411         (expand_case): New allocation pool case_node_pool.  Initialize it,
3412         pass to add_case_node and free it.
3413
3414 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3415             David Ung  <davidu@mips.com>
3416             Nigel Stephens <nigel@mips.com>
3417
3418         Add mips16/nomips16 function attributes and -mflip-mips16 option
3419         for testing mixed-mode compilation.
3420
3421         * config/mips/mips.opt (mflip-mips16): New.
3422
3423         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define.
3424         (SYMBOL_FLAG_MIPS16_FUNC_P): Define.
3425
3426         * config/mips/mips.c (mips_base_target_flags): New.
3427         (mips_base_mips16): New.
3428         (mips_base_schedule_insns): New.
3429         (mips_base_reorder_blocks_and_partition): New.
3430         (mips_base_align_loops): New.
3431         (mips_base_align_jumps): New.
3432         (mips_base_align_functions): New.
3433         (mips16_flipper): New.
3434         (mips_attribute_table): Add "mips16" and "nomips16" entries.
3435         (TARGET_SET_CURRENT_FUNCTION): Define.
3436         (mips_mips16_type_p, mips_nomips16_type_p): New.
3437         (mips_comp_type_attributes): Check mips16/nomips16 attributes.
3438         (mips_function_ok_for_sibcall): Make it deal with functions with
3439         mips16 attributes.
3440         (mips_init_split_addresses): New, split out from override_options.
3441         (mips_init_relocs): New, split out from override_options.
3442         (was_mips16_p): New.
3443         (mips_set_mips16_mode): New, split out from override_options.
3444         (mips_set_current_function): New.
3445         (override_options): Add sorry for unsupported mips16/pic
3446         combination.  Remove error for mips16/dsp combination.  Save
3447         base option settings.
3448         (mips_file_start): Move mips16 mode setting output from here....
3449         (mips_output_function_prologue): ....to here.
3450         (mips_output_mi_thunk): Check for mips16 function.
3451         (build_mips16_function_stub): Don't set .mips16 here.
3452         (build_mips16_call_stub): Likewise.
3453         (mips_expand_builtin): Error in mips16 mode.
3454         (mips_use_mips16_mode_p): New.
3455         (mips_encode_section_info): Check for mips16 function, and set
3456         SYMBOL_REF_FLAGS accordingly.
3457
3458         * doc/extend.texi (Function Attributes): Document new
3459         mips16/nomips16 attributes.
3460         * doc/invoke.texi (Option Summary): Add -mflip-mips16.
3461         (MIPS Options): Document -mflip-mips16.
3462
3463 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3464
3465         * config/mips/mips.c (mips_legitimize_tls_address): Call sorry
3466         if we encounter TLS address in MIPS16 mode.
3467         (mips_legitimize_const_move): Check cannot_force_const_mem for
3468         the (const (plus symbol offset)) case; this forces invalid TLS
3469         address in MIPS16 mode to be caught by the above call to sorry.
3470         (override_options): Don't reset targetm.have_tls in MIPS16 mode,
3471         because that now enables emutls, which is not ABI compatible
3472         with native TLS in non-MIPS16 mode.
3473
3474 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3475
3476         Add target hook invoked when cfun changes.
3477
3478         * doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document.
3479         * target.h (struct gcc_target): Add set_current_function.
3480         * target-def.h (TARGET_SET_CURRENT_FUNCTION): Define.
3481         (TARGET_INITIALIZER): Add initializer for set_current_function.
3482         * tree.h (push_struct_function): New.
3483         * tree-inline.h (push_cfun, pop_cfun): Move declarations to...
3484         * function.h: Here.
3485         (set_cfun): Declare.
3486         * tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
3487         * function.c: Here.
3488         (push_function_context_to): Use allocate_struct_function
3489         to create null context, not init_dummy_function_start.  Use set_cfun.
3490         (pop_function_context_from): Use set_cfun.
3491         (in_dummy_function): New.
3492         (invoke_set_current_function_hook): New.
3493         (set_cfun): New.
3494         (push_cfun, pop_cfun): Use set_cfun.
3495         (push_struct_function): New.
3496         (allocate_struct_function): Call invoke_set_current_function_hook
3497         before returning.
3498         (prepare_function_start): Don't set cfun here.  Remove unused
3499         argument; fix all callers.
3500         (init_dummy_function_start): Fiddle with in_dummy_function.  Call
3501         push_struct_function.
3502         (init_function_start): Set cfun here.
3503         (expand_dummy_function_end): Fiddle with in_dummy_function.  Pop cfun.
3504         * omp-low.c (create_omp_child_function): Use push_struct_function
3505         and pop_cfun to save/restore state.
3506         (expand_omp_parallel): Remove unused saved_cfun variable.
3507         * cgraphunit.c (ipa_passes): Use set_cfun.
3508         * gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here.
3509         * dwarf2out.c (dwarf2out_abstract_function): Likewise.
3510         * matrix-reorg.c (transform_allocation_sites): Likewise.
3511         (matrix_reorg): Use set_cfun.
3512         * gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here.
3513         * tree-optimize.c (tree_rest_of_compilation): Remove one redundant
3514         assignment to cfun; use set_cfun for the other.
3515         * tree-cfg.c (move_sese_region_to_fn): Use set_cfun.
3516         (dump_function_to_file): Use push_cfun/pop_cfun here.
3517         * c-decl.c (finish_function): Use set_cfun.
3518
3519 2007-09-05  Kenneth Zadeck <zadeck@naturalbridge.com>
3520
3521         * regrename.c (rerename_optimize): Use deferred rescanning and
3522         insert explicit calls to rescan insns when changed.
3523
3524 2007-09-05  Jan Hubicka  <jh@suse.cz>
3525
3526         * optabs.c (libfunc_entry): Change optab to integer.
3527         (hash_libfunc, convert_optab_libfunc, optab_libfunc,
3528         set_optab_libfunc, set_conv_libfunc): Use optable indexes instead
3529         of pointers for hashing.
3530
3531 2007-09-05  Jan Hubicka  <jh@suse.cz>
3532
3533         * regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
3534         verifier.
3535         * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
3536         * see.c (pass_see): Likewise.
3537         * tracer.c (pass_tracer): Likewise.
3538         * postreload-gcse.c (pass_gcse2): Likewise.
3539         * postreload.c (pass_postreload_cse): Likewise.
3540         * mode-switching.c (pass_mode_switching): Likewise.
3541         * modulo-sched.c (pass_sms): Likewise.
3542         * cse.c (cse_insn): Likewise.
3543         * web.c (pass_web): Likweise.
3544         * combine-stack-adj.c (pass_stack_adjustments): Likewise.
3545         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
3546         * loop-init.c (pass_rtl_loop_init): Likewise.
3547         (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
3548         pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
3549         * global.c (pass_global_alloc): Likewise.
3550         * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
3551         pass_if_after_reload): Likewise.
3552         * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
3553         * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
3554         * regmove.c (pass_regmove): Likewise.
3555         * function.c (pass_thread_prologugues_epilogues): Likewise.
3556         * gcse.c (pass_gcse): Likewise.
3557         * rtl-factoring.c (pass_rtl_seqabstr): Likewise.
3558         * lower-subreg.c (pass_lower_subreg2): Likewise.
3559         * bt-load.c (pass_branch_target_load): Likewise.
3560         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3561         * cfgcleanup.c (pass_jump, pass_jump2): Likewise.
3562         * combine.c (pass_combine): Likewise.
3563         * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
3564         (pass_partition_blocks): Likewise.
3565         * var-tracking.c (pass_variable_track): Likewise.
3566         * reg-stack.c (pass_stack_regs_run): Likewise.
3567         * sched-rgn.c (pass_sched, pass_sched2): Likewise.
3568         * passes.c (pass_postreload): Likewise.
3569         (execute_function_todo): Add TODO_verify_rtl_sharing handling code.
3570         * tree-pass.h (TODO_verify_rtl_sharing): New.
3571         (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
3572         TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
3573         TODO_set_props, TODO_df_finish, TODO_df_verify,
3574         TODO_mark_first_instance, TODO_rebuild_alias): Renumber.
3575
3576 2007-09-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3577
3578         * fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p,
3579         fold_real_zero_addition_p, reorder_operands_p,
3580         div_if_zero_remainder, fold_undefer_overflow_warnings,
3581         int_binop_types_match_p, fold_convert_const_int_from_int,
3582         fold_convert_const_int_from_real,
3583         fold_convert_const_int_from_fixed,
3584         fold_convert_const_real_from_real,
3585         fold_convert_const_real_from_fixed,
3586         fold_convert_const_fixed_from_fixed,
3587         fold_convert_const_fixed_from_int,
3588         fold_convert_const_fixed_from_real, maybe_lvalue_p,
3589         fold_checksum_tree, fold_check_failed, print_fold_checksum,
3590         debug_fold_checksum, multiple_of_p): Constify.
3591         * tree-flow-inline.h (get_lineno): Likewise.
3592         * tree-flow.h (get_lineno): Likewise.
3593         * tree-object-size.c (compute_object_offset, addr_object_size,
3594         alloc_object_size, pass_through_call): Likewise.
3595         * tree-pretty-print.c (op_symbol, print_call_name,
3596         print_struct_decl, do_niy): Likewise.
3597         * tree.h (fold_undefer_overflow_warnings, multiple_of_p,
3598         debug_fold_checksum): Likewise.
3599
3600 2007-09-04  Steven Bosscher  <steven@gcc.gnu.org>
3601
3602         PR middle-end/33029
3603         * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL
3604         note, remove the associated REG_RETVAL note.
3605
3606 2007-09-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3607
3608         * config.gcc (powerpc*-*-*): Install
3609         spu2vmx.h, vec_types.h, and si2vmx.h headers.
3610         * config/rs6000/spu2vmx.h: New header.
3611         * config/rs6000/si2vmx.h: New header.
3612         * config/rs6000/vec_types.h: New header.
3613
3614 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3615
3616         * varasm.c (initializer_constant_valid_p): Fix comment typo.
3617
3618 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3619
3620         * config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
3621         not `m' for *ptrp.
3622         (__stdcx): Make asm volatile.
3623         (__stwcx, __stdcx): Return only 0 or 1.
3624
3625 2007-09-05  Jan Hubicka  <jh@suse.cz>
3626
3627         Revert:
3628
3629         2007-09-04  Jan Hubicka  <jh@suse.cz>
3630         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3631
3632         2007-09-04  Richard Guenther  <rguenther@suse.de>
3633         * tree-ssa-operands.c (add_virtual_operand): Only mark
3634         stores as has_volatile_ops if alias information is not available.
3635
3636 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3637
3638         * config/rs6000/tramp.asm: Include config.h.
3639         Check __PIC__ or __pic__ macro instead of SHARED.
3640
3641         PR rtl-optimization/32300
3642         * see.c (see_copy_insn): New function.
3643         (see_def_extension_not_merged, see_merge_one_use_extension,
3644         see_merge_one_def_extension): Use it.  Avoid changing
3645         PREV_INSN/NEXT_INSN chains directly, insted emit insns
3646         into sequences.  Call df_insn_delete on temporary insns
3647         that won't be emitted into the insn stream.
3648         (rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
3649         and run df_process_deferred_rescans () before run_fast_dce.
3650
3651         PR tree-optimization/33017
3652         * tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
3653         recurse for pure or const function calls.
3654
3655 2007-09-04  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3656
3657         * c-format.c: Include alloc-pool.h.
3658         (check_format_info_main): New argument fwt_alloc.  Use allocation
3659         pool instead of GC.  Remove GC deallocation code.
3660         (check_format_arg): Create allocation pool, pass it to
3661         check_format_info_main and free it afterwards.
3662         * Makefile.in (c-format.o): Add alloc-pool.h dependency.
3663
3664 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3665
3666         * config/rs6000/ppu_intrinsics.h (__protected_stream_count):
3667         Rename count macro arugment for clarity.
3668         (__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000.
3669         (__protected_stream_set): Likewise, pass 0.
3670
3671 2007-09-04  Jan Hubicka  <jh@suse.cz>
3672
3673         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3674
3675 2007-09-04  Jan Hubicka  <jh@suse.cz>
3676
3677         * invoke.texi (-finline-small-functions): Document.
3678         * ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE
3679         when deciding what is inlinable.
3680         (cgraph_decide_recursive_inlining): Handle flag_inline_functions.
3681         (cgraph_decide_inlining_of_small_function): Handle new flags.
3682         (cgraph_decide_inlining_incrementally): Likewise.
3683         * opts.c (decode_options): Enable flag_inline_small_functions at -O2
3684         * common.opt (finline-small-functions): New.
3685         * Makefile.in (build/gengtype.o-warn): Work around PR29478
3686
3687 2007-09-04  Richard Guenther  <rguenther@suse.de>
3688
3689         * tree-ssa-operands.c (add_virtual_operand): Only mark
3690         stores as has_volatile_ops if alias information is not available.
3691
3692 2007-09-04  Andrew Haley  <aph@redhat.com>
3693
3694         * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0.
3695
3696 2007-09-04  Andrew Haley  <aph@redhat.com>
3697
3698         * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New.
3699         * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New.
3700         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New.
3701
3702 2007-09-04  Emmanuel Thome  <Emmanuel.Thome@inria.fr>
3703
3704         PR c++/14178
3705         * common.opt: Mention ABI version 2 in comment.
3706
3707 2007-09-04  Jan Hubicka  <jh@suse.cz>
3708
3709         * optabs.c (debug_optab_libfunc): Update; make available to gdb.
3710         (libfunc_entry): New structure.
3711         (libfunc_hash): New hashtable.
3712         (hash_libfunc): New function.
3713         (eq_libfunc): New function.
3714         (convert_optab_libfunc): New function.
3715         (optab_libfunc): New function.
3716         (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc,
3717         expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn,
3718         expand_float, expand_fix, new_optab, new_convert_optab):
3719          Update for new libfunc API.
3720         (init_libfunc, init_integral_libfuncs,
3721         init_floating_libfuncs, init_interclass_conv_libfuncs
3722         init_intraclass_conv_libfuncs): Remove; reorganize all logic to:
3723         (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc,
3724         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
3725         gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc,
3726         gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc,
3727         gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc,
3728         gen_extend_conv_libfunc): New.
3729         (init_one_libfunc): Revamp for hashtables.
3730         (set_conv_libfunc): Likewise.
3731         (init_optabs): Initialize hashtable; use lazy initialization where
3732         possible.
3733         * optabs.h (optab_handlers): Move out of GGC.
3734         (optab, convert_optab): Move out of GGC; add lazy gen info.
3735         (code_to_optab, convert_optab_table, optab_table): Move out of GGC.
3736         (optab_libfunc, convert_optab_libfunc): New.
3737         * builtins.c (expand_builtin_powi): Update for new API.
3738         * expr.c (convert_move): Likewise.
3739         * expmed.c (expand_divmod): Likewise.
3740
3741 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3742
3743         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
3744         GOT pointer only if there is a constant pool.  Use the allocated space
3745         for SPE also.
3746
3747 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3748
3749         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
3750         typo for AltiVec.
3751
3752 2007-09-04  Revital Eres  <eres@il.ibm.com>
3753             Richard Guenther  <rguenther@suse.de>
3754             R. Clint Whaley  <whaley@cs.utsa.edu>
3755
3756         * doc/invoke.texi (-fassociative-math, -freciprocal-math):
3757         Document new flags.
3758         * tree-tailcall.c (process_assignment): Use -fassociative-math
3759         when reodering operands of floating-point type.
3760         * fold-const.c (fold_comparison, fold_binary): Use
3761         -fassociative-math and -freciprocal-math instead of
3762         -funsafe-math-optimization flag.
3763         * toplev.h (set_unsafe_math_optimizations_flags): Declare function.
3764         * tree-ssa-math-opts.c (gate_cse_reciprocals): Use
3765         -freciprocal-math instead of -funsafe-math-optimizations.
3766         * opts.c (set_fast_math_flags): Set -freciprocal-math and
3767         -fassociative-math when -ffast-math is set.
3768         (set_unsafe_math_optimizations_flags): New Function
3769         to set -freciprocal-math and -fassociative-math when
3770         -funsafe-math-optimizations is set.
3771         (common_handle_option): Call it.
3772         * tree-vectorizer.c (vect_is_simple_reduction): Use
3773         -fassociative-math when doing reduction on floats.
3774         * loop-unroll.c (analyze_insn_to_expand_var): Use
3775         -fassociative-math when expanding an accumulator of type float.
3776         * simplify-rtx.c (simplify_binary_operation_1): Use
3777         -fassociative-math and -freciprocal-math when reordeing operands
3778         of floating-point type.
3779         * combine.c (combine_simplify_rtx): Likewise.
3780         * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
3781         Likewise.
3782         * common.opt (-fassociative-math, -freciprocal-math): New flags.
3783
3784 2007-09-04  Paolo Carlini  <pcarlini@suse.de>
3785
3786         PR c++/18608
3787         * doc/install.texi (--enable-__cxa_atexit): Fix typo.
3788
3789 2007-09-04  Jan Hubicka  <jh@suse.cz>
3790
3791         * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.
3792
3793 2007-09-04  Jan Hubicka  <jh@suse.cz>
3794
3795         * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
3796         and corresponding MATCH_DUP.
3797
3798 2007-09-04  Uros Bizjak  <ubizjak@gmail.com>
3799
3800         PR middle-end/33187
3801         * combine.c (subst): Do not try to simplify X if it represents load
3802         of FP constant from the constant pool via float extension.
3803
3804 2007-09-04  Ben Elliston  <bje@au.ibm.com>
3805
3806         * c-opts.c: Include "tm_p.h".
3807         * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency.
3808
3809 2007-09-04  Richard Guenther  <rguenther@suse.de>
3810
3811         PR tree-optimization/33291
3812         * tree-pretty-print.c (dump_generic_node): Dump all
3813         qualifiers for pointer types, not only first.  Dump
3814         qualifiers for aggregate types as well.
3815         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
3816         use the canonical type for building ARRAY_REFs.
3817         * gimplify.c (canonicalize_addr_expr): Clean up.  The
3818         correct validness check is compatibility of the pointer
3819         types.  Always use the canonical type for building
3820         ARRAY_REFs and ADDR_EXPRs.
3821         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
3822         change that disabled propagation of ADDR_EXPRs into statements
3823         with volatile ops.
3824
3825 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3826
3827         * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart)
3828         (umulsi3_highpart): Make into expanders; existing insns are
3829         now named *[insn]_nov6.  Add stars to existing [insn]_v6
3830         counterparts' names.
3831
3832 2007-09-03  Daniel Jacobowitz  <dan@codesourcery.com>
3833
3834         * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
3835         (unprotoize.o): Remove SHLIB_MULTILIB.
3836
3837 2007-09-03  Eric Weddington  <eweddington@cso.atmel.com>
3838
3839         * doc/extend.texi: Document progmem attribute for AVR.
3840
3841 2007-09-03  Anatoly Sokolov <aesok@post.ru>
3842
3843         PR target/28902
3844         * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
3845
3846 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3847
3848         * optabs.c (expand_ffs): Initialize val and defined_at_zero
3849         to avoid warnings.
3850
3851         * optabs.c: Remove unnecessary forward declarations.
3852         (expand_unop_direct): New, broken out of expand_unop.
3853         (expand_doubleword_clz): New.
3854         (expand_ctz): Move above expand_ffs.  Use
3855         start_sequence, end_sequence, add_equal_note, and
3856         expand_unop_direct.  Add more commentary.
3857         (expand_ffs): Try both ctz optab and expand_ctz.
3858         Generate a test and branch if the hardware doesn't give us
3859         a useful value for input zero.  Style improvements similar to
3860         expand_ctz.
3861
3862         * config/arm/arm.md (ffssi2, ctzsi2): Delete.
3863
3864 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3865
3866         * config.gcc: Delete stanza for arm-semi-aof and
3867         armel-semi-aof targets.
3868         * config/arm/arm-protos.h
3869         * config/arm/arm.c
3870         * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
3871         make all #ifndef AOF_ASSEMBLER blocks unconditional.  Also
3872         delete aof_pic_label and remove mention of AOF in comments.
3873         * config/arm/arm.md: Delete patterns used only for AOF assembly.
3874         * config/arm/aof.h
3875         * config/arm/semiaof.h
3876         * config/arm/t-semi: Delete file.
3877
3878 2007-09-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3879
3880         * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
3881         CONST_CAST_BB): New macros for type-specific casts.
3882         (CONST_CAST): Add a TYPE parameter and define it in terms of
3883         CONST_CAST2.
3884
3885         * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
3886         * c-lex.c (cb_ident, lex_string): Likewise,
3887         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
3888         * config/i386/i386.c (ix86_function_regparm,
3889         ix86_function_sseregparm): Use CONST_CAST_TREE.
3890         * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
3891         CONST_CAST.
3892         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
3893         give_switch, set_multilib_dir): Likewise,
3894         * gengtype-parse.c (string_seq, typedef_name): Likewise,
3895         * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
3896         * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
3897         * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
3898         * prefix.c (update_path): Likewise,
3899         * pretty-print.c (pp_base_destroy_prefix): Likewise,
3900         * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
3901         * tree-cfg.c (tree_can_merge_blocks_p,
3902         tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
3903         * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
3904         * tree.c (build_string): Supply a TYPE for CONST_CAST.
3905         (attribute_list_contained): Use CONST_CAST_TREE.
3906
3907 2007-09-03  Krister Walfridsson  <cato@df.lth.se>
3908
3909         * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.
3910
3911 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3912
3913         PR middle-end/33290
3914         * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
3915         before forcing them into a register.
3916
3917 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3918
3919         * config/mips/mips.md (fetchop_bit): Use define_code_iterator
3920         rather than define_code_macro.
3921
3922 2007-09-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3923
3924         * gcc.c (xputenv): New function.
3925         (putenv_from_prefixes): Use xputenv instead of putenv.
3926         (process_command): Use xputenv instead of putenv.
3927         (set_collect_gcc_options): Use xputenv instead of putenv.
3928         (main): Use xputenv instead of putenv.
3929
3930 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3931
3932         * config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe
3933         availability of swap instruction.
3934         * config/cris/cris.md (bswapsi2): Implement using swap instruction.
3935
3936 2007-09-03  Revital Eres  <eres@il.ibm.com>
3937
3938         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update
3939         Documentation.
3940
3941 2007-09-03  Vladimir Yanovsky  <yanov@il.ibm.com>
3942             Ayal Zaks  <zaks@il.ibm.com>
3943             Revital Eres  <eres@il.ibm.com>
3944
3945         * modulo-sched.c (ps_insert_empty_row, verify_partial_schedule,
3946         compute_split_row): New functions.
3947         (ps_unschedule_node): Remove.
3948         (normalize_sched_times): Iterate over the already scheduled
3949         insns instead of the number of nodes.
3950         (MAX_SPLIT_NUM): New definition.
3951         (sms_schedule_by_order): Change the scheduling heuristic to
3952         avoid useless increases of initiation interval ii.
3953         (get_sched_window): Add dump printouts.
3954
3955 2007-09-02  David Daney  <ddaney@avtrex.com>
3956
3957         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP, UNSPEC_SYNC_OLD_OP,
3958         UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE): New define_constants.
3959         (optab, insn): Add more attributes.
3960         (fetchop_bit): New code macro.
3961         (immediate_insn): New code macro attribute.
3962         (sync): Change condition to ISA_HAS_SYNC.
3963         (rdhwr): Change predicate for operand 0 to register_operand.
3964         (memory_barrier): New expand.
3965         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
3966         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
3967         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
3968         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3969         sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns.
3970         * config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates.
3971         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
3972         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
3973         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): New Macros.
3974
3975 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3976             Hans-Peter Nilsson  <hp@axis.com>
3977
3978         * config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO):
3979         Defined to describe availability and behavior of CLZ.
3980         * config/cris/cris.md (clzsi2): Implement using lz instruction.
3981         * config/cris/cris.opt: Tweak comment for "-metrax4".
3982         * config/cris/arit.c (LZ): When defined, define as __builtin_clz.
3983         * longlong.h [__CRIS__ && __CRIS_arch_version >= 3]
3984         (count_leading_zeros): Define.
3985
3986 2007-09-01  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3987
3988         * ggc-page.c (ggc_pch_read): Call validate_free_objects.
3989
3990 2007-09-02  Joseph Myers  <joseph@codesourcery.com>
3991
3992         PR middle-end/33272
3993         * c-decl.c (grokdeclarator): Apply qualifiers to type of parameter
3994         decayed from array.
3995
3996 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3997
3998         * config/arm/arm.c, config/rs6000/ppu_intrinsics.h,
3999         config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c,
4000         ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c,
4001         sched-deps.c, sched-int.h, system.h, target.h,
4002         tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c,
4003         tree.def: Fix comment typos.
4004
4005 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
4006
4007         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
4008         (override_options): Turn on -mstrict-align on non-ColdFire
4009         targets.
4010         * config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.
4011
4012 2007-09-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4013
4014         * c-common.c (const_strip_array_types): Delete.
4015         * c-common.h (const_strip_array_types): Likewise.
4016         * emit-rtl.c (const_next_insn, const_previous_insn,
4017         const_next_nonnote_insn, const_prev_nonnote_insn,
4018         const_next_real_insn, const_prev_real_insn,
4019         const_next_active_insn, const_prev_active_insn, const_next_label,
4020         const_prev_label): Delete.
4021         * gimple-low.c (block_may_fallthru): Use expr_last.
4022         * jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn.
4023         * rtl.h (const_previous_insn, const_next_insn,
4024         const_prev_nonnote_insn, const_next_nonnote_insn,
4025         const_prev_real_insn, const_next_real_insn,
4026         const_prev_active_insn, const_next_active_insn, const_prev_label,
4027         const_next_label): Delete.
4028         * rtlanal.c (keep_with_call_p): Use next_nonnote_insn.
4029         * system.h (CONST_CAST): Update comment.
4030         * tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt.
4031         (const_first_stmt, const_last_stmt): Delete.
4032         (tree_block_ends_with_condjump_p): Use last_stmt.
4033         * tree-flow.h (const_first_stmt, const_last_stmt): Delete.
4034         * tree-iterator.c (const_expr_first, const_expr_last,
4035         const_expr_only): Delete.
4036         * tree.c (const_lookup_attribute): Likewise.
4037         (attribute_list_contained): Use lookup_attribute.
4038         * tree.h (const_lookup_attribute, const_expr_first,
4039         const_expr_last, const_expr_only): Delete.
4040
4041 2007-09-01  Richard Guenther  <rguenther@suse.de>
4042
4043         * tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE
4044         instead of TREE_THIS_VOLATILE.
4045         * tree-ssa-operands.c (add_virtual_operand): Do not set
4046         has_volatile_ops.  Do not check s_ann for NULL.
4047         (get_indirect_ref_operands): Likewise.
4048         (get_expr_operands): Likewise.  For all reference trees
4049         set has_volatile_ops based on TREE_THIS_VOLATILE.  Also
4050         check base of reference for TREE_THIS_VOLATILE.
4051
4052 2007-09-01  Richard Guenther  <rguenther@suse.de>
4053
4054         * tree-cfg.c (verify_gimple_expr): Fix check for conversions
4055         between integral types.  Also allow conversions between
4056         pointer types.
4057
4058 2007-08-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4059
4060         * optabs.c (prepare_float_lib_cmp): Use
4061         libgcc_cmp_return_mode instead of word_mode.
4062         * config/dfp-bit.h: Likewise.
4063         * config/fp-bit.h: Likewise.
4064         * config/spu/spu.c (spu_libgcc_cmp_return_mode):
4065         New function.
4066         (spu_libgcc_shift_count_mode): New function.
4067         (TARGET_LIBGCC_CMP_RETURN_MODE): Define.
4068         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define.
4069
4070 2007-08-31  Joseph Myers  <joseph@codesourcery.com>
4071
4072         * tree-pretty-print.c: Include output.h.
4073         (dump_decl_name, dump_generic_node): Use %wd with pp_printf, not
4074         HOST_WIDE_INT_PRINT_DEC.
4075         * Makefile.in (tree-pretty-print.o): Add dependency on output.h.
4076
4077 2007-08-31  Zdenek Dvorak  <ook@ucw.cz>
4078
4079         PR rtl-optimization/33224
4080         * loop-iv.c (latch_dominating_def): Check that the definition belongs
4081         to the analysed region.
4082
4083 2007-08-31  Richard Guenther  <rguenther@suse.de>
4084
4085         * function.c (allocate_struct_function): Do not set
4086         current_function_returns_pointer.
4087         * function.h (struct var_refs_queue): Remove.
4088         (struct simple_obstack_stack): Likewise.
4089         (struct function): Remove fixup_var_refs_queue member.
4090         Remove returns_pointer flag.
4091         (current_function_returns_pointer): Remove define.
4092
4093 2007-08-31  Nick Clifton  <nickc@redhat.com>
4094
4095         * tree-ssa-coalesce.c (compare_pairs): Use the elements as
4096         secondary keys in order to obtain a stable sort.
4097
4098 2007-08-31  Nick Clifton  <nickc@redhat.com>
4099
4100         PR target/33132
4101         * config/m32r/constraints.md: Add W constraint for integer zero.
4102         * config/m32r/m32r.md (get_pc): Use W and i constraints.
4103         Fix length calculation by using alternatives.
4104
4105 2007-08-31  Richard Sandiford  <richard@codesourcery.com>
4106
4107         * optabs.c (shift_optab_p, commutative_optab_p): New functions,
4108         split out from expand_binop.
4109         (avoid_expensive_constant): New function.
4110         (expand_binop_directly): Remove commutative_op argument and
4111         (expand_binop_directly): Remove commutative_op argument and
4112         call cummutative_optab_p instead.  Do not change op0 or op1
4113         when swapping xop0 and xop1.  Apply avoid_expensive_constant
4114         to each argument after potential swapping.  Enforce the
4115         canonical order of commutative operands.
4116         (expand_binop): Use shift_optab_p and commutative_optab_p.
4117         Update the calls to expand_binop_directly.  Only force constants
4118         into registers when widening an operation.  Only swap operands
4119         once a direct expansion has been rejected.
4120         (expand_twoval_binop): Only force constants into registers when
4121         using a direct expansion.
4122
4123 2007-08-31  Maxim Kuvyrkov  <maxim@codesourcery.com>
4124
4125         * sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
4126         (sched_analyze_insn): Don't postprocess speculative dependencies when
4127         target has no scheduling.
4128         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
4129         'uninitialized' warning.
4130
4131 2007-08-31  Richard Guenther  <rguenther@suse.de>
4132
4133         * tree.c (build_complex_type): Always set TYPE_NAME for
4134         comples types.
4135
4136 2007-08-31  Olivier Hainque  <hainque@adacore.com>
4137
4138         * config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
4139         internal macro. Default alignment factor for csect directives, chosen
4140         to match what BIGGEST_ALIGNMENT allows.
4141         (DATA_SECTION_ASM_OP): Use it.
4142         * config/rs6000/rs6000.c
4143         (rs6000_xcoff_output_readonly_section_asm_op):
4144         Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR.
4145         (rs6000_xcoff_output_readwrite_section_asm_op): Likewise.
4146
4147 2007-08-31  Olivier Hainque  <hainque@adacore.com>
4148
4149         * dbxout.c (dbxout_block): Move declaration within the first
4150         #if defined (DBX_DEBUGGING_INFO) block.  Rearrange another such
4151         block to include the definition, together with the associated
4152         helpers.
4153
4154 2007-08-31  David Edelsohn  <edelsohn@gnu.org>
4155             Revital Eres  <eres@il.ibm.com>
4156
4157         * doc/invoke.texi (-mpaired): Document flag.
4158         * config.gcc: Include paired.h in powerpc extra_headers and
4159         750cl.h in powerpc-*-linux*paired*.
4160         * config/rs6000/rs6000.opt (-mpaired): New flag.
4161         * config/rs6000/rs6000.c (paired_init_builtins,
4162         paired_expand_builtin, paired_expand_lv_builtin,
4163         paired_expand_stv_builtin, paired_expand_predicate_builtin):
4164         New functions to support the paired single builtin functions.
4165         (rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE.
4166         (def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired
4167         single builtins.
4168         (bdesc_paired_preds): New structure for paired predicate
4169         instructions.
4170         (rs6000_expand_builtin): Expand paired single builtins.
4171         (rs6000_init_builtins): Init paired single builtins.
4172         (rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf.
4173         Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe
4174         and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf.  Add new types
4175         v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf.
4176         (rs6000_vector_mode_supported_p): Support paired vector mode.
4177         * config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD,
4178         PAIRED_VECTOR_MODE, PAIRED_SIMD_REGNO_P, TARGET_PAIRED_FLOAT):
4179         New.
4180         (LOCAL_ALIGNMENT): Handle PAIRED_VECTOR_MODE.
4181         (DATA_ALIGNMENT): Likewise.
4182         (UNITS_PER_SIMD_WORD): Handle PAIRED_VECTOR_MODE.
4183         (rs6000_builtins): Add PAIRED builtins.
4184         * config/rs6000/rs6000.md: Include paired.md.
4185         * config/rs6000/paired.h: New.
4186         * config/rs6000/paired.md: New.
4187         * config/rs6000/750cl.h: New.
4188         * config/rs6000/spe.md: Recognize movv2sf instruction for 750cl.
4189
4190 2007-08-30  Ollie Wild  <aaw@google.com>
4191
4192         * c-opts.c (c_common_handle_option): Support -fno-directives-only.
4193         * gcc.c (default_compilers): Add -fno-directives-only to
4194         @assembler-with-cpp.
4195
4196 2007-08-30  Sandra Loosemore  <sandra@codesourcery.com>
4197
4198         PR middle-end/33211
4199
4200         * regclass.c (initial_fixed_regs): Revert previous change and make
4201         it const again.
4202         (initial_call_used_regs): Likewise.
4203         (initial_call_really_used_regs): Delete, reverting previous addition.
4204         (initial_reg_names): Likewise.
4205         (init_reg_sets): Revert previous change.
4206         (saved_fixed_regs): New.
4207         (saved_call_used_regs): New.
4208         (saved_call_really_used_regs): New.
4209         (saved_reg_names): New.
4210         (save_register_info): New.
4211         (restore_register_info): New.
4212         (init_reg_sets_1): Replace reset of register info with call to
4213         restore_register_info.
4214         * rtl.h (save_register_info): Declare.
4215         * toplev.c (backend_init): Call save_register_info.
4216
4217 2007-08-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4218
4219         * tree-ssa-propagate.c (set_rhs): Remove the copied annotation
4220         from the original statement.
4221
4222 2007-08-30  Chao-ying Fu  <fu@mips.com>
4223
4224         * c-lex.c (interpret_fixed): Declare.
4225         (interpret_float): Process _Fract and _Accum.
4226         (interpret_fixed): New function.
4227         * final.c (output_addr_const): Process CONST_FIXED.
4228         * simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
4229         (simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
4230         SS_DIV, US_DIV.
4231         (simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
4232         US_DIV, US_ASHIFT.
4233         (simplify_immed_subreg): Support CONST_FIXED.
4234         Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
4235         (simplify_subreg): Support CONST_FIXED.
4236
4237 2007-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4238
4239         * config/rs6000/ppu_intrinsics.h: New file.
4240         * config.gcc (powerpc*-*-* <extra_headers>): Install
4241         ppu_intrinsics.h.
4242
4243 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
4244
4245         * cfg.c (dump_flow_info): Change to also print entry and exit
4246         block info.
4247         * print-rtl.c (print_rtl_single): Allow to print rtl with
4248         -fdump-unnumbered.
4249
4250 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
4251
4252         * df-core.h (df_dump_region): New function.
4253         * df.h (df_dump_region): New function.
4254         * loop-invariant.c (find_defs): Add call to df_dump_region.
4255         * loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to
4256         df_dump_region.
4257
4258 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
4259
4260         PR target/33168
4261         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return
4262         true if any of the compare_section_name calls returned true,
4263         rather than if any returned false.
4264
4265 2007-08-30  Richard Guenther  <rguenther@suse.de>
4266
4267         PR tree-optimization/33199
4268         * tree-ssa-structalias.c (handle_lhs_call): New function.
4269         (find_func_aliases): In non-IPA mode make sure that for
4270         calls that return a pointer we add a constraint for the
4271         result to point to anything.
4272
4273 2007-08-30  Richard Guenther  <rguenther@suse.de>
4274
4275         * doc/invoke.texi (-mveclibabi): Document new target option.
4276         * config/i386/i386.opt (-mveclibabi): New target option.
4277         * config/i386/i386.c (ix86_veclib_handler): Handler for
4278         vectorization library support.
4279         (override_options): Handle the -mveclibabi option, initialize
4280         the vectorization library handler.
4281         (ix86_builtin_vectorized_function): As fallback call the
4282         vectorization library handler, if set.
4283         (ix86_veclibabi_acml): New static function for ACML ABI style
4284         vectorization support.
4285
4286 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
4287
4288         * config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode
4289         used_m, even if it is 32-bit aligned, adjust used_m MEM to have
4290         SImode and update m.  Don't run gen_lowpart_common on arbitrary
4291         memory address, force it to register first.
4292
4293         PR middle-end/32758
4294         * dce.c (dce_process_block): Don't delete setters of
4295         artificially used registers.
4296
4297 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4298
4299         * config/s390/s390.md ("*add<mode>3_alc_carry1_cc",
4300         "*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc",
4301         "*add<mode>3_alc_carry2_cconly"): New insn definitions.
4302
4303 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4304
4305         * config/s390/s390.c (s390_expand_addcc): Emit canonical alc
4306         pattern.
4307         * config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc",
4308         "addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.
4309
4310 2007-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4311
4312         * system.h: Activate -Wcast-qual as warning-only.
4313
4314 2007-08-29  Paolo Bonzini  <bonzini@gnu.org>
4315
4316         PR target/33168
4317         * config/rs6000/rs6000.c (compare_section_name): New function.
4318         (rs6000_elf_in_small_data_p): Compare section prefixes instead
4319         of full name.
4320
4321 2007-08-29  Olivier Hainque  <hainque@adacore.com>
4322
4323         * xcoffout.c: #include debug.h.
4324         * Makefile.in (xcoffout.o): Add debug.h dependency.
4325
4326 2007-08-29  Uros Bizjak  <ubizjak@gmail.com>
4327
4328         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
4329         Change CONST_VECTOR_ELT to XVECEXP in elem calculation.
4330
4331 2007-08-29  Richard Guenther  <rguenther@suse.de>
4332
4333         * tree-pretty-print.c (dump_generic_node): Print
4334         label DECL_UID as D.%u.
4335         * tree-dfa.c (dump_variable): Print DECL_UID as D.%u.
4336
4337 2007-08-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4338
4339         * gcc/builtin-types.def (BT_FN_PTR_PTR_SIZE): New type.
4340         * gcc/builtins.def (BUILT_IN_REALLOC): New builtin.
4341
4342 2007-08-29  Douglas Gregor  <doug.gregor@gmail.com>
4343
4344         PR c++/33194
4345         * tree.c (build_type_attribute_qual_variant): Set canonical types
4346         on the final, unqualified attribute variant before building the
4347         qualified version.
4348
4349 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4350
4351         * config/bfin/bfin.c (bfin_expand_builtin): Fix the argument
4352         order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu.
4353
4354 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4355
4356         Revert
4357         2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4358         * config/bfin/bfin.md (composev2hi): Put operands into vector
4359         with correct order.
4360
4361 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4362
4363         * config/bfin/bfin.md (composev2hi): Put operands into vector
4364         with correct order.
4365
4366 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4367
4368         * config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text
4369         attribute when appropriate.
4370         (bfin_handle_l1_text_attribute): New.
4371         (bfin_handle_l1_data_attribute): New.
4372         (bfin_attribute_table): Add attributes: l1_text, l1_data,
4373         l1_data_A and l1_data_B.
4374         * doc/extend.texi (node Function Attributes): Document l1_text
4375         function attribute.
4376         (Variable Attributes): Add Blackfin subsection. Document l1_data,
4377         l1_data_A and l1_data_B variable attributes.
4378
4379 2007-08-28  Jie Zhang  <jie.zhang@analog.com>
4380
4381         * config/bfin/bfin.opt (minline-plt): Add.
4382         * config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit
4383         call to global functions.
4384         * doc/invoke.texi (Option Summary): Mention -minline-plt.
4385         (Blackfin Options): Document -minline-plt.
4386
4387 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
4388
4389         * config/m68k/m68k.c (m68k_get_function_kind): Assert we're never
4390         given a non-function.
4391         (m68k_ok_for_sibcall_p): Only sibcall functions of the same kind.
4392
4393 2007-08-28  DJ Delorie  <dj@redhat.com>
4394
4395         * config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support.
4396
4397 2007-08-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4398
4399         * system.h (CONST_CAST): Avoid union for gcc-4.0.x.
4400
4401 2007-08-28  Richard Guenther  <rguenther@suse.de>
4402
4403         * tree.h (struct tree_function_decl): Increase size of
4404         function_code bitfield.
4405
4406 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
4407             Kazu Hirata  <kazu@codesourcery.com>
4408
4409         * gcc/config/m68k/linux.h
4410         (M68K_HONOR_TARGET_STRICT_ALIGNMENT): Redefine as 0.
4411         * config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New.
4412         (m68k_return_in_memory): New.
4413         * gcc/config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT):
4414         New.
4415
4416 2007-08-28  Uros Bizjak  <ubizjak@gmail.com>
4417
4418         PR target/32661
4419         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
4420         Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as
4421         operand) when top VEC_SELECT extracts scalar element.
4422         * config/i386/sse.md (*vec_extract_v4si_mem): New pattern.
4423         (*vec_extract_v4sf_mem): Ditto.
4424
4425 2007-08-28  Jakub Jelinek  <jakub@redhat.com>
4426
4427         PR middle-end/32370
4428         * passes.c (init_optimization_passes): Move pass_df_finish
4429         after pass_postreload sublist.
4430
4431         PR rtl-optimization/33148
4432         * simplify-rtx.c (simplify_unary_operation_1): Only optimize
4433         (neg (lt X 0)) if X has scalar int mode.
4434
4435         PR debug/32914
4436         * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
4437         initializer, use build_vector_from_ctor if possible to create
4438         VECTOR_CST out of it.  If vector initializer is not VECTOR_CST
4439         even after this, return NULL.
4440
4441 2007-08-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4442
4443         * c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST.
4444
4445 2007-08-28  Richard Guenther  <rguenther@suse.de>
4446
4447         * tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
4448         (struct tree_function_decl): Make function_code a bitfield.
4449         Add disregard_inline_limits flag.
4450         * cgraphunit.c (cgraph_process_new_functions): Check
4451         DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
4452         (cgraph_preserve_function_body_p): Likewise.
4453         * ipa-inline.c (compute_inline_parameters): Likewise.
4454         * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
4455         for GNU C extern inline functions.
4456         (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
4457         * tree-inline.c (disregard_inline_limits_p): Remove.
4458         * tree-inline.h (disregard_inline_limits_p): Likewise.
4459         * c-common.c (handle_always_inline_attribute): Set
4460         DECL_DISREGARD_INLINE_LIMITS.
4461         * langhooks.c (add_builtin_function): Verify the function code
4462         fits in the bitfield.
4463
4464 2007-08-28  Mircea Namolaru  <namolaru@il.ibm.com>
4465             Vladimir Yanovsky  <yanov@il.ibm.com>
4466             Revital Eres  <eres@il.ibm.com>
4467             Andrey Belevantsev  <abel@ispras.ru>
4468
4469         * config/spu/spu.md: Recognize doloop pattern when -fmodulo-sched
4470         is set.
4471         * modulo-sched.c: Add documentation regarding do-loop.
4472         (doloop_register_get): Change number of arguments to support
4473         the new do-loop pattern and check whether COUNT_REG has no other
4474         occurences in the loop besides in the control part.
4475         (duplicate_insns_of_cycles): Do not duplicate the insn which
4476         changes count_reg as it is already adjusted.
4477         (generate_prolog_epilog): New argument to support the new
4478         do-loop pattern.  Change the subtract instruction to use
4479         expand_simple_binop.  Call duplicate_insns_of_cycles with new
4480         argument.
4481         (sms_schedule): Call doloop_register_get and
4482         generate_prolog_epilog with new argument.  Do not handle loops
4483         with single sets insns with subreg in their lhs.
4484         * loop-doloop.c (doloop_optimize): Support for another do-loop
4485         pattern.
4486         (doloop_condition_get): Gets an instruction instead of a pattern
4487         and change the return condition when the do-loop pattern is
4488         not parallel.
4489         * ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg
4490         deps when considering to not create edges.
4491
4492 2007-08-27  Alexandre Oliva  <aoliva@redhat.com>
4493
4494         * doc/extend.texi (gnu_inline funtion attribute): Document C++
4495         behavior.
4496
4497 2007-08-27  Jason Merrill  <jason@redhat.com>
4498
4499         PR c++/31337
4500         * gimplify.c (gimplify_modify_expr): Discard the assignment of
4501         zero-sized types after calling gimplify_modify_expr_rhs.
4502
4503 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
4504
4505         * regclass.c (init_reg_autoinc): Fix typo.
4506
4507 2007-08-27  Daniel Berlin  <dberlin@dberlin.org>
4508
4509         Fix PR tree-optimization/33173
4510         * tree-ssa-alias.c (find_used_portions): Fix reversed test.
4511
4512 2007-08-27  H.J. Lu  <hongjiu.lu@intel.com>
4513
4514         PR target/31385
4515         * config/i386/i386.h (VALID_DFP_MODE_P): New.
4516         * config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in
4517         GPR.
4518
4519 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
4520             David Ung  <davidu@mips.com>
4521             Nigel Stephens <nigel@mips.com>
4522
4523         Separate target-specific initialization from general
4524         back-end initialization.
4525
4526         * toplev.c (init_alignments): New, split out from...
4527         (process_options): ...here.
4528         (backend_init_target): New, split out from...
4529         (backend_init): ...here.
4530         (lang_dependent_init_target): New, split out from...
4531         (lang_dependent_init): ...here.
4532         (target_reinit): New.
4533         * toplev.h (target_reinit): Declare.
4534         * expr.c (init_expr_target): Renamed from init_expr_once, since it
4535         now can be called more than once.  Update comments.
4536         * expr.h (init_expr_target): Likewise.
4537         * alias.c (init_alias_target): Renamed from init_alias_once, since it
4538         now can be called more than once.  Explicitly zero
4539         static_reg_base_value.
4540         * emit-rtl.c (init_emit_regs): New, split out from...
4541         (init_emit_once): Here.
4542         * regclass.c (initial_fixed_regs, initial_call_used_regs): Make
4543         non-const, so that changes from command-line arguments can overwrite
4544         values provided by the static initializers.
4545         (initial_call_really_used_regs): New, used similarly to the above.
4546         (initial_reg_names): Likewise.
4547         (last_mode_for_init_move_cost): Promoted function-local static to
4548         file-scope static to make it accessible outside init_move_cost.
4549         (init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
4550         Do not initialize inv_reg_alloc_order yet, either.  Do initialize
4551         reg_names since it is needed for parsing command-line options.
4552         (init_move_cost): Use last_mode_for_init_move_cost instead of
4553         function-local static.
4554         (init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
4555         call_really_used_regs now.  Reinitialize reg_names.  Also
4556         initialize inv_reg_alloc_order.  Zero reg_class_subunion and
4557         reg_class_superunion.  Clear losing_caller_save_reg_set.
4558         Preserve global registers if called more than once.  Reset
4559         move cost, may_move_in_cost, may_move_out_cost, and
4560         last_mode_for_init_move_cost.
4561         (init_reg_modes_target): Renamed from init_reg_modes_once, since it
4562         can now be invoked more than once.  Update comments.
4563         (init_regs): Update comments.
4564         (fix_register): Update initial_fixed_regs, initial_call_used_regs,
4565         and initial_call_really_used_regs, instead of the non-initial
4566         variables.  This allows us to save the command-line register settings
4567         after target reinitialization.
4568         (init_reg_autoinc): Zero forbidden_inc_dec_classes.
4569         * rtl.h (init_emit_regs): Declare.
4570         (init_reg_modes_target, init_alias_target): Renamed as described
4571         above.
4572         * reload1.c (init_reload): Update comments.
4573         * optabs.c (init_optabs): Likewise.
4574         * cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
4575
4576 2007-08-26  Chao-ying Fu  <fu@mips.com>
4577
4578         * rtl.h (XCNMPFV): Preserve const-ness of parameters through use of
4579         __typeof().
4580
4581 2007-08-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4582
4583         * alias.c (memory_modified_1, memory_modified_in_insn_p):
4584         Constify.
4585         * basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
4586         Likewise.
4587         * bb-reorder.c (copy_bb_p): Likewise.
4588         * cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
4589         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4590         block_ends_with_condjump_p): Likewise.
4591         * cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
4592         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4593         block_ends_with_condjump_p): Likewise.
4594         * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
4595         * cfgrtl.c (can_delete_note_p, can_delete_label_p,
4596         rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
4597         rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
4598         need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
4599         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
4600         debug_true_const_tree instad of debug_true_tree.
4601         * debug.c (do_nothing_debug_hooks): Likewise.
4602         * debug.h (ignore_block, debug_true_const_tree): Constify.
4603         * dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
4604         dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
4605         decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
4606         same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
4607         dbx_reg_number, is_based_loc, field_type,
4608         simple_type_align_in_bits, simple_decl_align_in_bits,
4609         simple_type_size_in_bits, field_byte_offset, insert_float,
4610         type_tag, member_declared_type, is_redundant_typedef,
4611         secname_for_decl, is_inlined_entry_point): Likewise.
4612         * emit-rtl.c (const_next_insn, const_previous_insn,
4613         const_next_nonnote_insn, const_prev_nonnote_insn,
4614         const_next_real_insn, const_prev_real_insn,
4615         const_next_active_insn, const_prev_active_insn, const_next_label,
4616         const_prev_label): Likewise.
4617         * except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
4618         Likewise.
4619         * haifa-sched.c (may_trap_exp, haifa_classify_insn,
4620         find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
4621         sched_insn_is_legitimate_for_speculation_p): Likewise.
4622         * jump.c (reversed_comparison_code_parts,
4623         reversed_comparison_code, reversed_comparison, condjump_label):
4624         Likewise.
4625         * predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
4626         * reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
4627         Likewise.
4628         * rtl.h (const_previous_insn, const_next_insn,
4629         const_prev_nonnote_insn, const_next_nonnote_insn,
4630         const_prev_real_insn, const_next_real_insn,
4631         const_prev_active_insn, const_next_active_insn, const_prev_label,
4632         const_next_label, modified_between_p, modified_in_p,
4633         const_note_storeskeep_with_call_p, condjump_label,
4634         reversed_comparison, reversed_comparison_code,
4635         reversed_comparison_code_parts, memory_modified_in_insn_p,
4636         stack_regs_mentioned): Likewise.
4637         * rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
4638         keep_with_call_p): Likewise.
4639         * sched-deps.c (deps_may_trap_p, sched_get_condition,
4640         conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
4641         sd_lists_size, sd_lists_empty_p): Likewise.
4642         * sched-int.h (sched_insns_conditions_mutex_p,
4643         haifa_classify_insn, no_real_insns_p,
4644         sched_insn_is_legitimate_for_speculation_p, sd_next_list,
4645         sd_lists_size, sd_lists_empty_p): Likewise.
4646         * sdbout.c (sdb_debug_hooks): Likewise.
4647         * tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
4648         stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
4649         -tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
4650         Likewise.
4651         * tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
4652         tree_can_throw_internal): Likewise.
4653         * tree-flow-inline.h (phi_nodes): Likewise.
4654         * tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
4655         tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
4656         * tree-gimple.c (const_get_call_expr_in): Likewise.
4657         * tree-gimple.h (const_get_call_expr_in): Likewise.
4658         * tree.c (const_lookup_attribute, attribute_list_equal,
4659         attribute_list_contained): Likewise.
4660         * tree.h (attribute_list_equal, attribute_list_contained,
4661         const_lookup_attribute): Likewise.
4662         * vmsdbgout.c (vmsdbgout_ignore_block): Likewise.
4663
4664 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4665
4666         * tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c,
4667         tree-ssa-pre.c: Remove unnecessary trailing whitespace.
4668
4669 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4670
4671         PR target/32991
4672         * config/alpha/constraints.md: Delete "svn:mime-type" property
4673         with svn propdel "svn:mime-type".
4674
4675 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4676
4677         PR middle-end/33181
4678         * ifcvt.c (noce_get_alt_condition): Make sure that the previous
4679         non NOTE insn doesn't cross basic block.
4680         (noce_try_abs): Likewise.
4681         (noce_process_if_block): Likewise.
4682
4683 2007-08-26  David Edelsohn  <edelsohn@gnu.org>
4684
4685         PR target/33151
4686         * config/rs6000/predicates.md (offsettable_mem_operand): Memory
4687         operand without auto-inc-dec.
4688         * config/rs6000/rs6000.md (floatsidf2_internal): Use
4689         offsettable_mem_operand.
4690         (floatunssidf2_internal): Same.
4691         (fix_truncdfsi2_internal): Same.
4692         (floatsidf_ppc64): Same.
4693         (floatunssidf_ppc64): Same.
4694         (fix_trunctfsi2_internal): Same.
4695
4696 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4697
4698         PR bootstrap/30620
4699         * Makefile.in (libbackend.o): Add gcov-iov.h dependency and
4700         pass defines needed for version.c.
4701
4702 2007-08-25  Joseph Myers  <joseph@codesourcery.com>
4703
4704         * configure.ac (--debug-prefix-map check): Change assembler
4705         version presumed to have feature to 2.18.
4706         * configure: Regenerate.
4707
4708 2007-08-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4709
4710         * c-common.c (vector_types_convertible_p,
4711         decl_with_nonnull_addr_p, c_promoting_integer_type_p,
4712         self_promoting_args_p): Constify.
4713         * c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
4714         c_promoting_integer_type_p, self_promoting_args_p,
4715         anon_aggr_type_p, vector_types_convertible_p): Likewise.
4716         * c-decl.c (anon_aggr_type_p): Likewise.
4717         * * c-dump.c (dump_stmt): Likewise.
4718         * c-objc-common.c (has_c_linkage): Likewise.
4719         * c-tree.h (same_translation_unit_p): Likewise.
4720         * c-typeck.c (null_pointer_constant_p,
4721         tagged_types_tu_compatible_p, function_types_compatible_p,
4722         type_lists_compatible_p, lvalue_or_else, lvalue_p,
4723         comptypes_internal, struct tagged_tu_seen_cache,
4724         same_translation_unit_p, alloc_tagged_tu_seen_cache,
4725         c_size_in_bytes): Likewise.
4726         * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
4727         hash_ptr, eq_ptr): Likewise.
4728         * langhooks-def.h (lhd_decl_ok_for_sibcall,
4729         LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise.
4730         * langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
4731         * langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
4732         Likewise.
4733         * optabs.c (optab_for_tree_code): Likewise.
4734         * optabs.h (optab_for_tree_code): Likewise.
4735         * rtl.h (simplify_rtx): Likewise.
4736         * simplify-rtx.c (simplify_rtx): Likewise.
4737         * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
4738         dump_flag, dump_node): Likewise.
4739         * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
4740         queue_and_dump_type, dump_flag): Likewise.
4741         * tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
4742         * tree-pass.h (dump_node): Likewise.
4743         * tree-vectorizer.c (vect_can_force_dr_alignment_p,
4744         supportable_narrowing_operation): Likewise.
4745         * tree-vectorizer.h (vect_can_force_dr_alignment_p,
4746         supportable_narrowing_operation): Likewise.
4747         * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
4748         is_negative_overflow_infinity, is_positive_overflow_infinity,
4749         is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
4750         nonnull_arg_p, get_value_range, vrp_operand_equal_p,
4751         update_value_range, add_equivalence, ssa_name_nonnegative_p,
4752         ssa_name_nonzero_p, fp_predicate): Likewise.
4753         * tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
4754         * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
4755         ssa_name_nonnegative_p): Likewise.
4756
4757 2007-08-25  Hans Kester  <hans.kester@ellips.nl>
4758
4759         * config.gcc : Add x86_64-elf target.
4760
4761 2007-08-25  Jakub Jelinek  <jakub@redhat.com>
4762
4763         * expr.c (store_expr): Fix order of store_by_pieces arguments.
4764
4765 2007-08-24  Sandra Loosemore  <sandra@codesourcery.com>
4766             Nigel Stephens <nigel@mips.com>
4767
4768         PR target/11787
4769
4770         * doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros.
4771         (STORE_BY_PIECES_P): No longer applies to __builtin_memset.
4772         * expr.c (SET_BY_PIECES_P): Define.
4773         (can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use
4774         it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P.
4775         (store_expr): Pass MEMSETP argument to can_store_by_pieces and
4776         store_by_pieces.
4777         * expr.h (SET_RATIO): Define.
4778         (can_store_by_pieces, store_by_pieces): Update prototypes.
4779         * builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to
4780         can_store_by_pieces/store_by_pieces.
4781         (expand_builtin_memcpy_args): Likewise.
4782         (expand_builtin_strncpy): Likewise.
4783         (expand_builtin_memset_args): Likewise.  Also remove special case
4784         for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can
4785         decide what to do instead.
4786         * value-prof.c (tree_stringops_transform): Pass MEMSETP argument
4787         to can_store_by_pieces.
4788
4789         * config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P.
4790         * config/s390/s390.h (SET_BY_PIECES_P): Likewise.
4791
4792         * config/mips/mips.opt (mmemcpy): Change from Var to Mask.
4793         * config/mips/mips.c (override_options): Make -Os default to -mmemcpy.
4794         * config/mips/mips.h (MIPS_CALL_RATIO): Define.
4795         (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Define.
4796         (STORE_BY_PIECES_P): Define.
4797
4798 2007-08-24  Tom Tromey  <tromey@redhat.com>
4799
4800         * varpool.c (varpool_last_needed_node): Fix comment typo.
4801         * c-decl.c (duplicate_decls): Fix comment typo.
4802         (clone_underlying_type): Update comment.
4803
4804 2007-08-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4805
4806         * config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp,
4807         alpha_in_small_data_p, alpha_split_complex_arg,
4808         alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4809         Constify.
4810         * config/arm/arm-protos.h (arm_mangle_type): Likewise.
4811         * config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type):
4812         Likewise.
4813         * config/bfin/bfin.c (funkind, bfin_comp_type_attributes,
4814         TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4815         * config/darwin-protos.h (darwin_binds_local_p): Likewise.
4816         * config/darwin.c (darwin_binds_local_p): Likewise.
4817         * config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p):
4818         Likewise.
4819         * config/i386/i386-protos.h (i386_pe_binds_local_p,
4820         i386_pe_valid_dllimport_attribute_p): Likewise.
4821         * config/i386/i386.c (ix86_function_regparm,
4822         ix86_comp_type_attributes, ix86_ms_bitfield_layout_p,
4823         x86_can_output_mi_thunk, ix86_mangle_type,
4824         TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4825         * config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p,
4826         i386_pe_binds_local_p): Likewise.
4827         * config/ia64/ia64.c
4828         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4829         ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type,
4830         ia64_invalid_conversion, ia64_invalid_unary_op,
4831         ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4832         Likewise.
4833         * config/m32c/m32c.c (m32c_comp_type_attributes): Likewise.
4834         * config/m32r/m32r.c (m32r_in_small_data_p): Likewise.
4835         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4836         * config/mips/mips.c (mips_use_blocks_for_constant_p,
4837         mips_in_small_data_p, mips_use_anchors_for_symbol_p,
4838         mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4839         mips_near_type_p, mips_far_type_p, mips_global_symbol_p,
4840         mips_symbol_binds_local_p, mips_classify_symbol): Likewise.
4841         * config/pa/pa.c (pa_commutative_p): Likewise.
4842         * config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p):
4843         Likewise.
4844         * config/rs6000/rs6000.c (rs6000_invalid_within_doloop,
4845         rs6000_ms_bitfield_layout_p, rs6000_mangle_type,
4846         rs6000_use_blocks_for_constant_p,
4847         rs6000_vector_alignment_reachable, rs6000_is_opaque_type,
4848         invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4849         TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise.
4850         * config/s390/s390.c (s390_mangle_type,
4851         TARGET_ASM_CAN_OUTPUT_MI_THUNK, TARGET_INVALID_WITHIN_DOLOOP):
4852         Likewise.
4853         * config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4854         th_in_small_data_p): Likewise.
4855         * config/sh/sh.c (sh_ms_bitfield_layout_p,
4856         sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4857         Likewise.
4858         * config/sparc/sparc.c (sparc_can_output_mi_thunk,
4859         sparc_mangle_type): Likewise.
4860         * config/spu/spu.c (spu_vector_alignment_reachable): Likewise.
4861         * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise.
4862         * emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq):
4863         Likewise.
4864         * hooks.c (hook_bool_mode_const_rtx_false,
4865         hook_bool_mode_const_rtx_true,
4866         hook_bool_const_tree_hwi_hwi_const_tree_false,
4867         hook_bool_const_tree_hwi_hwi_const_tree_true,
4868         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4869         hook_constcharptr_const_tree_null,
4870         hook_constcharptr_const_rtx_null,
4871         hook_constcharptr_const_tree_const_tree_null,
4872         hook_constcharptr_int_const_tree_null,
4873         hook_constcharptr_int_const_tree_const_tree_null): New.
4874         (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4875         hook_bool_tree_hwi_hwi_tree_false,
4876         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4877         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4878         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4879         hook_constcharptr_int_tree_null,
4880         hook_constcharptr_int_tree_tree_null): Delete.
4881         (default_can_output_mi_thunk_no_vcall): Constify.
4882         * hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4883         hook_bool_tree_hwi_hwi_tree_false,
4884         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4885         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4886         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4887         hook_constcharptr_int_tree_null,
4888         hook_constcharptr_int_tree_tree_null): Delete.
4889         (hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
4890         hook_bool_const_tree_hwi_hwi_const_tree_false,
4891         hook_bool_const_tree_hwi_hwi_const_tree_true,
4892         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4893         hook_constcharptr_const_tree_null,
4894         hook_constcharptr_const_rtx_null,
4895         hook_constcharptr_const_tree_const_tree_null,
4896         hook_constcharptr_int_const_tree_null,
4897         hook_constcharptr_int_const_tree_const_tree_null): New.
4898         (default_can_output_mi_thunk_no_vcall): Constify.
4899         * integrate.c (function_attribute_inlinable_p): Likewise.
4900         * integrate.h (function_attribute_inlinable_p): Likewise.
4901         * jump.c (rtx_renumbered_equal_p): Likewise.
4902         * output.h (decl_readonly_section, categorize_decl_for_section,
4903         default_use_anchors_for_symbol_p, default_binds_local_p,
4904         default_binds_local_p_1): Likewise.
4905         * rtl.h (rtx_renumbered_equal_p, decl_default_tls_model):
4906         Likewise.
4907         * target-def.h (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4908         TARGET_VALID_DLLIMPORT_ATTRIBUTE_P, TARGET_VECTOR_OPAQUE_P,
4909         TARGET_COMMUTATIVE_P, TARGET_USE_BLOCKS_FOR_CONSTANT_P,
4910         TARGET_COMP_TYPE_ATTRIBUTES,
4911         TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,
4912         TARGET_MS_BITFIELD_LAYOUT_P, TARGET_MANGLE_TYPE,
4913         TARGET_IN_SMALL_DATA_P, TARGET_INVALID_CONVERSION,
4914         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
4915         TARGET_DWARF_CALLING_CONVENTION): Likewise.
4916         * target.h (can_output_mi_thunk, needs_block_p,
4917         first_cycle_multipass_dfa_lookahead_guard_spec,
4918         vector_alignment_reachable, comp_type_attributes,
4919         function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type,
4920         commutative_p, use_blocks_for_constant_p,
4921         use_anchors_for_symbol_p, in_small_data_p, binds_local_p,
4922         vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook,
4923         invalid_within_doloop, valid_dllimport_attribute_p,
4924         split_complex_arg, invalid_arg_for_unprototyped_fn,
4925         invalid_conversion, invalid_unary_op, invalid_binary_op):
4926         Likewise.
4927         * targhooks.c (default_invalid_within_doloop,
4928         hook_invalid_arg_for_unprototyped_fn,
4929         default_builtin_vector_alignment_reachable): Likewise.
4930         (hook_bool_rtx_commutative_p): Delete.
4931         (hook_bool_const_rtx_commutative_p): New.
4932         * targhooks.h (default_invalid_within_doloop,
4933         default_builtin_vector_alignment_reachable,
4934         hook_invalid_arg_for_unprototyped_fn): Constify.
4935         (hook_bool_rtx_commutative_p): Delete.
4936         (hook_bool_const_rtx_commutative_p): New.
4937         * varasm.c (bss_initializer_p, decl_default_tls_model,
4938         categorize_decl_for_section, decl_readonly_section,
4939         default_use_anchors_for_symbol_p, default_binds_local_p,
4940         default_binds_local_p_1): Constify.
4941
4942 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4943
4944         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4945         __NO_BUILTIN if -fno-builtin.
4946
4947 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4948
4949         * config/bfin/bfin.c (print_operand): Report error instead of
4950         ICE for wrong operand.
4951
4952 2007-08-24  Michael Matz  <matz@suse.de>
4953
4954         * Makefile.in (GTFILES_H): Use $(patsubst) instead of $(subst).
4955
4956 2007-08-24  Richard Guenther  <rguenther@suse.de>
4957
4958         PR middle-end/33166
4959         * tree-ssa.c (useless_type_conversion_p): Split into a
4960         recursive and a non-recursive part.
4961         (useless_type_conversion_p_1): New function.
4962         * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result
4963         from maybe_fold_offset_to_reference is trivially convertible
4964         to the desired type before doing the simplification.
4965
4966 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4967
4968         * expr.c (store_expr): Optimize initialization of an array
4969         with STRING_CST.
4970         * expr.h (builtin_strncpy_read_str): New prototype.
4971         * builtins.c (builtin_strncpy_read_str): Remove prototype.
4972         No longer static.
4973
4974 2007-08-24  Uros Bizjak  <ubizjak@gmail.com>
4975
4976         PR middle-end/33157
4977         * ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
4978         field when initializing if_info structure.
4979
4980 2007-08-24  Richard Guenther  <rguenther@suse.de>
4981
4982         * Makefile.in (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H)
4983         dependencies.
4984         * c-objc-common.c (c_cannot_inline_tree_fn): Remove.
4985         * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise.
4986         * tree-inline.c (inlinable_function_p): Fold in common parts of
4987         the cannot_inline_tree_fn langhook.
4988         * langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove.
4989         (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): Likewise.
4990         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
4991         cannot_inline_tree_fn langhook.
4992         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4993         cannot_inline_tree_fn member.
4994
4995 2007-08-24  Richard Guenther  <rguenther@suse.de>
4996
4997         * expr.c (get_inner_reference): Do computation of bitoffset
4998         from offset in a way we can detect overflow reliably.
4999
5000 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
5001
5002         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc.
5003
5004 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
5005
5006         * config/bfin/bfin.opt (mfast-fp): Add.
5007         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let
5008         libbffastfp override libgcc if -mfast-fp.
5009         * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
5010         * doc/invoke.texi (Option Summary): Mention -mfast-fp.
5011         (Blackfin Options): Document -mfast-fp.
5012
5013 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
5014
5015         PR tree-optimization/32573
5016         PR middle-end/32946
5017         * tree-data-ref.c (initialize_data_dependence_relation): Clear
5018         DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning.
5019         (finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
5020         (build_classic_dist_vector): Return false rather than true if
5021         DDR_ARE_DEPENDENT is non-NULL at the beginning.  Return false
5022         if either subscript_dependence_tester_1 or build_classic_dist_vector_1
5023         returned false.  Don't call save_dist_v before calling
5024         build_classic_dist_vector_1.
5025         (free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
5026         with NULL DDR_ARE_DEPENDENT.  Also free DDR_DIST_VECTS and/or
5027         DDR_DIR_VECTS vectors.
5028
5029 2007-08-23  Brian Sidebotham  <brian.sidebotham@gmail.com>
5030
5031         * configure.ac (leb128): Modify sed statement to work with any
5032         binutils version string.
5033         * configure: Regenerate
5034
5035 2007-08-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5036
5037         * config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
5038         Wrap in RTX_CODE macro guard.
5039         * config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
5040         arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
5041         arm_mark_dllimport, arm_pe_encode_section_info,
5042         arm_pe_unique_section): Use ISO-C function declarations.
5043         * config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
5044         c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
5045         c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
5046         Likewise.
5047         * config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
5048         * config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
5049         defining.
5050         * config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
5051         warnings.
5052         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
5053         * config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
5054         (register_move_cost): Use ISO-C function declarations.
5055         * config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
5056         * config/score/score-protos.h (score_declare_object): Add
5057         ATTRIBUTE_PRINTF_4.
5058         * config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
5059         warnings.
5060         * final.c (profile_function): Avoid empty if-bodies.
5061
5062
5063         * calls.c (must_pass_in_stack_var_size,
5064         must_pass_in_stack_var_size_or_pad): Constify.
5065         * config/alpha/alpha-protos.h (function_value): Likewise.
5066         * config/alpha/alpha.c (alpha_return_in_memory,
5067         alpha_pass_by_reference, function_value,
5068         unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
5069         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
5070         Likewise.
5071         * config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
5072         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
5073         TARGET_PROMOTE_PROTOTYPES): Likewise.
5074         * config/arm/arm-protos.h (arm_return_in_memory,
5075         arm_pad_arg_upward, arm_function_value): Likewise.
5076         * config/arm/arm.c (arm_pass_by_reference,
5077         arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
5078         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
5079         arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
5080         Likewise.
5081         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
5082         * config/avr/avr-protos.h (avr_function_value): Likewise.
5083         * config/avr/avr.c (avr_return_in_memory,
5084         gas_output_limited_string, gas_output_ascii, avr_function_value,
5085         avr_return_in_memory): Likewise.
5086         * config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
5087         * config/bfin/bfin.c (bfin_pass_by_reference,
5088         bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
5089         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN):
5090         Likewise.
5091         * config/cris/cris.c (cris_pass_by_reference,
5092         TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
5093         * config/crx/crx.c (crx_return_in_memory): Likewise.
5094         * config/darwin.c (function_base, machopic_function_base_name):
5095         Likewise.
5096         * config/fr30/fr30.c (fr30_must_pass_in_stack,
5097         TARGET_PROMOTE_PROTOTYPES): Likewise.
5098         * config/frv/frv.c (frv_must_pass_in_stack): Likewise.
5099         * config/h8300/h8300.c (h8300_return_in_memory): Likewise.
5100         * config/i386/i386-protos.h (ix86_return_in_memory,
5101         ix86_sol10_return_in_memory): Likewise.
5102         * config/i386/i386.c (ix86_function_value,
5103         ix86_function_sseregparm, ix86_must_pass_in_stack,
5104         type_natural_mode, classify_argument, examine_argument,
5105         construct_container, ix86_pass_by_reference, function_value_32,
5106         function_value_64, ix86_function_value_1, return_in_memory_32,
5107         return_in_memory_64, return_in_memory_ms_64,
5108         ix86_return_in_memory, ix86_sol10_return_in_memory,
5109         TARGET_PROMOTE_PROTOTYPES): Likewise.
5110         * config/ia64/ia64-protos.h (ia64_function_value,
5111         ia64_hpux_function_arg_padding): Likewise.
5112         * config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
5113         ia64_function_value, bundle_state_hash, bundle_state_eq_p,
5114         ia64_hpux_function_arg_padding): Likewise.
5115         * config/iq2000/iq2000-protos.h (function_arg,
5116         iq2000_function_value): Likewise.
5117         * config/iq2000/iq2000.c (iq2000_return_in_memory,
5118         iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
5119         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
5120         function_arg, iq2000_function_value): Likewise.
5121         * config/m32c/m32c-protos.h (m32c_function_value,
5122         m32c_promote_function_return): Likewise.
5123         * config/m32c/m32c.c (m32c_pass_by_reference,
5124         m32c_promote_prototypes, m32c_promote_function_return,
5125         m32c_function_value): Likewise.
5126         * config/m32r/m32r.c (m32r_return_in_memory,
5127         m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
5128         m32r_in_small_data_p): Likewise.
5129         * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
5130         Likewise.
5131         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
5132         m68hc11_function_arg_padding): Likewise.
5133         * config/m68k/m68k-protos.h (m68k_function_value): Likewise.
5134         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
5135         m68k_function_value): Likewise.
5136         * config/mcore/mcore-protos.h (mcore_num_arg_regs,
5137         mcore_function_value): Likewise.
5138         * config/mcore/mcore.c (handle_structs_in_regs,
5139         mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
5140         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
5141         mcore_num_arg_regs, mcore_function_value): Likewise.
5142         * config/mips/mips-protos.h (mips_pad_arg_upward,
5143         mips_function_value): Likewise.
5144         * config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
5145         mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
5146         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
5147         TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
5148         mips_function_value): Likewise.
5149         * config/mmix/mmix-protos.h (mmix_function_outgoing_value):
5150         Likewise.
5151         * config/mmix/mmix.c (mmix_pass_by_reference,
5152         TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
5153         mmix_encode_section_info): Likewise.
5154         * config/mn10300/mn10300-protos.h (mn10300_function_value):
5155         Likewise.
5156         * config/mn10300/mn10300.c (mn10300_return_in_memory,
5157         mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
5158         mn10300_function_value): Likewise.
5159         * config/mt/mt-protos.h (mt_function_value): Likewise.
5160         * config/mt/mt.c (mt_pass_by_reference, mt_function_value,
5161         mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
5162         * config/pa/pa-protos.h (function_arg_padding, function_value,
5163         pa_return_in_memory): Likewise.
5164         * config/pa/pa.c (pa_pass_by_reference,
5165         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
5166         function_arg_padding, function_value, pa_return_in_memory):
5167         Likewise.
5168         * config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
5169         * config/rs6000/rs6000-protos.h (rs6000_function_value,
5170         function_arg_padding): Likewise.
5171         * config/rs6000/rs6000.c (rs6000_return_in_memory,
5172         rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
5173         rs6000_pass_by_reference, rs6000_must_pass_in_stack,
5174         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
5175         function_arg_padding, altivec_expand_dst_builtin,
5176         altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
5177         altivec_init_builtins, rs6000_common_init_builtins,
5178         rs6000_function_value): Likewise.
5179         * s390/s390-protos.h (s390_function_value): Likewise.
5180         * config/s390/s390.c (s390_function_arg_size,
5181         s390_pass_by_reference, s390_return_in_memory,
5182         s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
5183         TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
5184         * config/score/score-protos.h (score_function_value): Likewise.
5185         * config/score/score.c (score_arg_partial_bytes,
5186         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
5187         TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
5188         score_pass_by_reference, score_add_offset, score_function_value):
5189         Likewise.
5190         * config/sh/sh-protos.h (sh_attr_renesas_p,
5191         sh_promote_prototypes): Likewise.
5192         * config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
5193         sh_callee_copies, sh_promote_prototypes, shcompact_byref,
5194         sh_attr_renesas_p): Likewise.
5195         * config/sparc/sparc-protos.h (function_value,
5196         function_arg_padding): Likewise.
5197         * config/sparc/sparc.c (sparc_promote_prototypes,
5198         sparc_return_in_memory, sparc_pass_by_reference,
5199         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
5200         function_arg_record_value_2, function_arg_record_value_1,
5201         function_arg_record_value, function_arg_record_value,
5202         function_arg_padding, function_value): Likewise.
5203         * config/spu/spu-protos.h (spu_function_value): Likewise.
5204         * config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
5205         spu_function_value): Likewise.
5206         * config/stormy16/stormy16-protos.h (xstormy16_function_value):
5207         Likewise.
5208         * config/stormy16/stormy16.c (xstormy16_return_in_memory,
5209         xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
5210         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
5211         Likewise.
5212         * config/v850/v850.c (v850_return_in_memory,
5213         v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
5214         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
5215         * config/xtensa/xtensa.c (xtensa_return_in_msb,
5216         xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
5217         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
5218         Likewise.
5219         * explow.c (promote_mode, hard_function_value): Likewise.
5220         * expr.h (hard_function_value, promote_mode): Likewise.
5221         * function.c (aggregate_value_p): Likewise.
5222         * hooks.c (hook_bool_const_tree_true): New.
5223         * hooks.h (hook_bool_const_tree_true): New.
5224         * sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
5225         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
5226         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
5227         TARGET_RETURN_IN_MSB): Likewise.
5228         * target.h (promote_function_args, promote_function_return,
5229         promote_prototypes, return_in_memory, return_in_msb,
5230         pass_by_reference, must_pass_in_stack, callee_copies,
5231         function_value): Likewise.
5232         * targhooks.c (default_return_in_memory,
5233         hook_pass_by_reference_must_pass_in_stack,
5234         hook_callee_copies_named,
5235         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
5236         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
5237         default_function_value): Likewise.
5238         * targhooks.h (default_return_in_memory,
5239         hook_pass_by_reference_must_pass_in_stack,
5240         hook_callee_copies_named,
5241         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
5242         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
5243         default_function_value): Likewise.
5244         * tree-ssa-structalias.c (const_equiv_class_label_t): New.
5245         (equiv_class_label_hash, equiv_class_label_eq): Constify.
5246         * tree-vectorizer.c (bb_in_loop_p): Likewise.
5247         * tree.c (needs_to_live_in_memory): Likewise.
5248         * tree.h (struct tree_type, needs_to_live_in_memory,
5249         aggregate_value_p, must_pass_in_stack_var_size,
5250         must_pass_in_stack_var_size_or_pad): Likewise.
5251         * vmsdbgout.c (write_debug_addr, write_debug_delta4,
5252         write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
5253         lookup_filename): Likewise.
5254
5255 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
5256
5257         PR target/17390
5258         * config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to
5259         fake fcomi i387 instruction for !TARGET_CMOVE.
5260         (ix86_expand_branch): Expand natural sequence with one jump for
5261         all targets, not only TARGET_CMOVE.
5262         * config/i386/i386.md (*cmpfp_0_cc): New define_insn_and_split
5263         pattern to implement fake fcomi sequence.  Split instruction after
5264         reload to correct compare sequences.
5265         (*cmpfp_xf_cc): Ditto.
5266         (*cmpfp_<mode>_cc): Ditto.
5267         (*cmpfp_u_cc): Ditto.
5268         (*cmpfp_<mode>_cc): Ditto.
5269
5270 2007-08-23  Richard Guenther  <rguenther@suse.de>
5271
5272         * tree-pretty-print.c (dump_generic_node): Annotate
5273         GIMPLE_MODIFY_STMTs with volatile ops with "{v}".
5274
5275 2007-08-23  Richard Guenther  <rguenther@suse.de>
5276
5277         * builtins.c (expand_builtin_mathfn): Wrap argument in
5278         save_expr directly instead of re-building the call.
5279         (expand_builtin_mathfn_2): Likewise.
5280         (expand_builtin_mathfn_3): Likewise.
5281         (expand_builtin_interclass_mathfn): Likewise.
5282         (expand_builtin_int_roundingfn): Set arg.
5283         (expand_builtin_int_roundingfn_2): Likewise.
5284
5285 2007-08-23  Paolo Bonzini  <bonzini@gnu.org>
5286
5287         * config/i386/sse.md (*sse_and<mode>3, *sse_ior<mode>3,
5288         *sse_nand<mode>3, *sse_xor<mode>3): New.
5289
5290 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
5291
5292         * config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code.
5293         * config/i386/i386.c (print_operand): Handle ';' code.  Output
5294         semicolon for TARGET_MACHO.
5295         * config/i386/sync.md (*sync_compare_and_swap<mode>): Use '%;' to
5296         emit semicolon after 'lock' prefix.
5297         (sync_double_compare_and_swap<mode>): Ditto.
5298         (*sync_double_compare_and_swapdi_pic): Ditto.
5299         (*sync_compare_and_swap_cc<mode>): Ditto.
5300         (sync_double_compare_and_swap_cc<mode>): Ditto.
5301         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
5302         (sync_old_add<mode>): Ditto.
5303         (sync_add<mode>): Ditto.
5304         (sync_sub<mode>): Ditto.
5305         (sync_ior<mode>): Ditto.
5306         (sync_and<mode>): Ditto.
5307         (sync_xor<mode>): Ditto.
5308
5309 2007-08-22  Chao-ying Fu  <fu@mips.com>
5310
5311         * rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes
5312         in DEF_RTL_EXPR.
5313         (copy_rtx): Handle CONST_FIXED.
5314         (rtx_equal_p): Likewise.
5315         * rtl.h (fixed_value.h): New include.
5316         (rtx_def): Add a new field of fixed_value to u.
5317         (XCNMPFV): Define for accessing fixed_value.
5318         (CONST_FIXED_VALUE, CONST_FIXED_VALUE_HIGH, CONST_FIXED_VALUE_LOW):
5319         Define.
5320         * rtl.def (CONST_FIXED): New constant.
5321         (SS_MULT, US_MULT, SS_DIV, US_DIV, FRACT_CONVERT,
5322         UNSIGNED_FRACT_CONVERT, SAT_FRACT, UNSIGNED_SAT_FRACT, US_NEG,
5323         US_ASHIFT): New codes.
5324         * doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult,
5325         us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract,
5326         unsigned_fract_convert, unsigned_sat_fract): Document them.
5327         * varasm.c (assemble_integer): Extend to support fixed-point constants
5328         by using different machine classes.
5329         (decode_addr_const): Handle FIXED_CST.
5330         (const_hash_1): Likewise.
5331         (compare_constant): Likewise.
5332         (copy_constant): Likewise.
5333         (const_rtx_hash_1): Handle CONST_FIXED.
5334         (output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
5335         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
5336         MODE_VECTOR_UACCUM.
5337         (initializer_constant_valid_p): Handle FIXED_CST.
5338         (output_constant): Support FIXED_POINT_TYPE.
5339         * gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude.
5340         * cse.c (hash_rtx): Support CONST_FIXED.
5341         (exp_equiv_p): Likewise.
5342         (cannon_reg): Likewise.
5343         (fold_rtx): Likewise.
5344         (equiv_constant): Likewise.
5345         (cse_process_notes_1): Likewise.
5346         (count_reg_usage): Likewise.
5347         * cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED.
5348         (rtx_equal_for_cselib_p): Handle CONST_FIXED.
5349         (wrap_constant): Check CONST_FIXED.
5350         (cselib_hash_rtx): Support CONST_FIXED.
5351         (cselib_subst_to_values): Likewise.
5352         * df-scan.c (df_uses_record): Likewise.
5353         * gcse.c (want_to_gcse_p): Likewise.
5354         (oprs_unchanged_p): Likewise.
5355         (oprs_not_set_p): Likewise.
5356         (compute_transp): Likewise.
5357         (extract_mentioned_regs_helper): Likewise.
5358         * genemit.c (gen_exp): Likewise.
5359         * local-alloc.c (equiv_init_varies_p): Likewise.
5360         (contains_replace_regs): Likewise.
5361         (memref_referenced_p): Likewise.
5362         * loop-invariant.c (check_maybe_invariant): Likewise.
5363         (hash_invariant_expr_1): Likewise.
5364         (invariant_expr_equal_p): Likewise.
5365         * postreload-gcse.c (oprs_unchanged_p): Likewise.
5366         * regclass.c (reg_scan_mark_refs): Likewise.
5367         * regrename.c (scan_rtx): Likewise.
5368         * resource.c (mark_referenced_resources): Likewise.
5369         (mark_set_resources): Likewise.
5370         * rtlanal.c (rtx_unstable_p): Likewise.
5371         (rtx_varies_p): Likewise.
5372         (count_occurrences): Likewise.
5373         (reg_mentioned_p): Likewise.
5374         (modified_between_p): Likewise.
5375         (modified_in_p): Likewise.
5376         (volatile_insn_p): Likewise.
5377         (volatile_refs_p): Likewise.
5378         (side_effects_p): Likewise.
5379         (may_trap_p_1): Likewise.
5380         (inequality_comparisons_p): Likewise.
5381         (computed_jump_p_1): Likewise.
5382         (commutative_operand_precedence): Likewise.
5383         * sched-deps.c (sched_analyze_2): Likewise.
5384         * sched-vis.c (print_value): Likewise.
5385         * reload.c (operands_match_p): Likewise.
5386         (subst_reg_equivs): Likewise.
5387         * reload1.c (eliminate_regs_1): Likewise.
5388         (elimination_effects): Likewise.
5389         (scan_paradoxical_subregs): Likewise.
5390         * alias.c (rtx_equal_for_memref_p): Likewise.
5391         * Makefile.in (RTL_BASE_H): Add fixed-value.h.
5392         * emit-rtl.c (const_fixed_htab): New hash table.
5393         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed):
5394         Declare.
5395         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed,
5396         const_fixed_from_fixed_value): New functions.
5397         (verify_rtx_sharing): Handle CONST_FIXED.
5398         (copy_rtx_if_shared_1): Likewise.
5399         (reset_used_flags): Likewise.
5400         (set_used_flags): Likewise.
5401         (copy_insn_1): Likewise.
5402         (init_emit_once): Create const_fixed_htab.
5403         Store fixed-point scalar and vector zero and one to const_tiny_rtx.
5404
5405 2007-08-22  Zdenek Dvorak  <ook@ucw.cz>
5406
5407         PR tree-optimization/32949
5408         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p
5409         before failing for ivs with non-constant step.
5410
5411 2007-08-22  Hans-Peter Nilsson  <hp@axis.com>
5412
5413         * doc/md.texi (Iterators): Renamed from Macros.  All contents
5414         changed to reflect rename of respectively define_code_macro and
5415         define_mode_macro to define_code_iterator and define_mode_iterator.
5416         (Mode Iterators, Code Iterators): Similar.
5417         * read-rtl.c (struct iterator_group, struct iterator_traverse_data)
5418         (uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p)
5419         (apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse)
5420         (initialize_iterators, find_iterator, check_code_iterator)
5421         (map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping)
5422         (read_mapping, read_rtx_1): Similar.
5423         * config/alpha/sync.md, config/alpha/alpha.md, config/frv/frv.md,
5424         config/s390/s390.md, config/m32c/blkmov.md, config/m32c/m32c.md,
5425         config/spu/spu.md, config/sparc/sparc.md, config/sparc/sync.md,
5426         config/i386/i386.md, config/i386/mmx.md, config/i386/sse.md,
5427         config/i386/sync.md, config/crx/crx.md, config/xtensa/xtensa.md,
5428         config/cris/cris.c, config/cris/cris.md, config/ia64/sync.md,
5429         config/ia64/div.md, config/ia64/vect.md, config/ia64/ia64.md,
5430         config/m68k/m68k.md, config/rs6000/spe.md, config/rs6000/altivec.md,
5431         config/rs6000/sync.md, config/rs6000/rs6000.md,
5432         config/arm/vec-common.md, config/arm/neon.md, config/arm/iwmmxt.md,
5433         config/arm/arm.md, config/mips/mips-dsp.md, config/mips/mips.md,
5434         config/vax/vax.md, config/bfin/bfin.md: Similar.
5435
5436 2007-08-22  David Daney  <ddaney@avtrex.com>
5437
5438         * doc/install.texi (Testing): Mention testing on a simulator.
5439
5440 2007-08-22  Janis Johnson  <janis187@us.ibm.com>
5441
5442         * config/dfp-bit.c (DFP_TO_DFP): Check for overflow.
5443
5444         * doc/libgcc.texi (Decimal float library routines): Fix formatting
5445         and rearrange floating point conversion functions into different
5446         categories.
5447
5448 2007-08-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5449
5450         * target.h (struct gcc_target.sched: dfa_pre_advance_cycle,
5451         dfa_post_advance_cycle): New scheduler hooks.
5452         * target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
5453         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
5454         new hooks.
5455         (TARGET_SCHED): Use them.
5456         * doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
5457         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks.
5458         * haifa-sched.c (advance_one_cycle): Invoke new hooks.
5459
5460         * genautomata.c (insn_has_dfa_reservation_p): New DFA interface
5461         function to facilitate debugging.
5462         (INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro.
5463         (output_insn_has_dfa_reservation_p): New static function to output
5464         insn_has_dfa_reservation_p ().
5465         (write_automata): Use it.
5466         * genattr.c (main): Output declaration for
5467         insn_has_dfa_reservation_p ().
5468
5469 2007-08-22  Christian Bruel  <christian.bruel@st.com>
5470             Richard Guenther <rguenther@suse.de>
5471
5472         * fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only.
5473         * simplify_rtx (simplify_binary_operation_1): Likewise.
5474
5475 2007-08-22  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5476
5477         PR rtl-optimization/32557
5478         * df-problems.c (df_note_bb_compute): Use mws->start_regno instead
5479         of REGNO (mws->mw_reg).
5480
5481 2007-08-22  Richard Guenther  <rguenther@suse.de>
5482
5483         PR middle-end/33007
5484         * builtins.c (expand_builtin_int_roundingfn): Replace call
5485         argument wrapped with SAVE_EXPR directly.
5486         (expand_builtin_int_roundingfn_2): Likewise.
5487
5488 2007-08-22  Richard Guenther  <rguenther@suse.de>
5489
5490         * tree-inline.c (inlinable_function_p): Restore disregarding
5491         inline limits for GNU extern inline functions.
5492
5493 2007-08-22  Richard Guenther  <rguenther@suse.de>
5494
5495         PR middle-end/32563
5496         * tree.c (host_integerp): Treat sizetype as signed as it is
5497         sign-extended.
5498
5499 2007-08-21  Ian Lance Taylor  <iant@google.com>
5500
5501         PR tree-optimization/33134
5502         * tree-vrp.c (adjust_range_with_scev): Call
5503         set_value_range_to_value.
5504
5505 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
5506
5507         * value-prof.h (gimple_remove_histogram_value): Remove duplicate
5508         prototype.
5509
5510 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
5511
5512         * tree-flow-inline.h (next_imm_use_stmt): Remove unecessary
5513         whitespace.
5514
5515 2007-08-21  Nathan Froyd  <froydnj@codesourcery.com>
5516
5517         * config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE
5518         cases to set eight bytes at a time.
5519         (expand_block_move): Likewise.
5520
5521 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5522
5523         PR debug/32610
5524         * dwarf2out.c (gen_decl_die): Don't call
5525         gen_tagged_type_instantiation_die if decl doesn't have tagged type.
5526
5527 2007-08-21  Paul Brook  <paul@codesourcery.com>
5528             Nathan Sidwell  <nathan@codesourcery.com>
5529             Mark Mitchell  <mark@codesourcery.com>
5530             Joseph Myers  <joseph@codesourcery.com>
5531
5532         * configure.ac: Add --with-pkgversion and --with-bugurl.
5533         * configure: Regenerate.
5534         * doc/install.texi: Document them.
5535         * version.c (version_string): Remove VERSUFFIX.
5536         (VERSUFFIX): Remove.
5537         (pkgversion_string): New.
5538         (bug_report_url): Do not hard-code initializer.
5539         * version.h (pkgversion_string): Declare.
5540         * Makefile.in (PKGVERSION_s, BUGURL_s, PKGVERSION, BUGURL_TEXI):
5541         Define.
5542         (version.o): Define PKGVERSION and BUGURL.
5543         (gcc-vers.texi): Define VERSION_PACKAGE and BUGURL.
5544         (%.pod): Define BUGURL.
5545         * gcc.c (process_command, main): Use pkgversion_string.
5546         * toplev.c (compile_file, print_version): Likewise.
5547         * protoize.c (main): Likewise.
5548         * gcov.c (print_version): Likewise.  Update copyright date.
5549         * gcov-dump.c (print_version): Likewise.  Update copyright date.
5550         * mips-tdump.c (main): Likewise.  Update copyright date.
5551         * mips-tfile.c (main): Likewise.  Update copyright date.
5552         * doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle.
5553         * doc/bugreport.texi: Use BUGURL for bug-reporting instructions;
5554         shorten description.
5555         * doc/gcc.texi: Include VERSION_PACKAGE in version description.
5556         * doc/gccint.texi: Likewise.
5557         * doc/invoke.texi: Use BUGURL for bug-reporting instructions.
5558         Update copyright date.
5559
5560 2007-08-21  Uros Bizjak  <ubizjak@gmail.com>
5561
5562         * config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG.
5563         (ix86_expand_strlensi_unroll_1): Ditto.
5564         (ix86_expand_branch): Use FLAGS_REG and FPSR_REG.
5565         (ix86_expand_carry_flag_compare): Update comment.
5566
5567 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5568
5569         PR middle-end/32912
5570         * fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
5571         (fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.
5572
5573 2007-08-21  Richard Guenther  <rguenther@suse.de>
5574
5575         * fold-const.c (fold_binary): Revert removing of index +p PTR folding.
5576
5577 2007-08-21  Richard Guenther  <rguenther@suse.de>
5578
5579         PR middle-end/33122
5580         * fold-const.c (fold_binary): Remove index +p PTR folding.
5581         Fix types of POINTER_PLUS_EXPR generated by folding of
5582         (PTR +p B) +p A.
5583
5584 2007-08-20  Chao-ying Fu  <fu@mips.com>
5585
5586         * c-common.h (enum rid): Add new enumeration values of RID_SAT,
5587         RID_FRACT, and RID_ACCUM.  RID_SAT needs to be inserted before
5588         RID_ONEWAY, so that it can be checked in declspecs_add_type.
5589         (c_common_fixed_point_type_for_size): Declare.
5590         * c-parser.c (reswords): Add _Fract, _Accum, and _Sat.
5591         (c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT.
5592         (c_token_starts_declspecs): Likewise.
5593         (c_parser_declspecs): Likewise.
5594         (c_parser_attributes): Likewise.
5595         * c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum.
5596         (c_declspecs): Add saturating_p.
5597         * c-decl.c (build_null_declspecs): Initialize saturating_p.
5598         (declspecs_add_type): Avoid using complex with _Fract, _Accum, or
5599         _Sat.  Handle RID_SAT.
5600         Avoid using void, bool, char, int, float, double, _Decimal32,
5601         _Decimal64, _Decimal128, and complex with _Sat.
5602         Handle RID_FRACT and RID_ACCUM.
5603         Make sure _Sat is used with _Fract or _Accum.
5604         (finish_declspecs): Handle cts_fract and cts_accum.
5605         * c-common.c (fixed-value.h): New include.
5606         (constant_expression_warning): Handle FIXED_CST.
5607         (overflow_warning): Likewise.
5608         (warnings_for_convert_and_check): Likewise.
5609         (c_common_fixed_point_type_for_size): New.
5610         (c_common_type_for_mode): Handle fixed-point modes to
5611         return various saturating/non-saturating, signed/unsigned types.
5612         (c_common_signed_or_unsigned_type): Support fixed-point types.
5613         (shorten_compare): Check fixed-point zero.
5614         Handle FIXED_POINT_TYPE.
5615         (c_common_truthvalue_conversion): Handle FIXED_CST.
5616         Handle FIXED_POINT_TYPE.
5617         (c_common_nodes_and_builtins): Record builtin types for fixed-point
5618         types.
5619         (handle_mode_attribute): Handle fixed-point modes.  Need to check
5620         if the signness of base type and fixed-point modes are consistent.
5621         (handle_vector_size_attribute): Handle fixed-point modes.
5622         (same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE.
5623         (warn_for_div_by_zero): Check fixed-point zero.
5624         * c-typeck.c (c_common_type): Check FIXED_POINT_TYPE.  Build
5625         a common fixed-point type based on fbit, ibit, sign, and saturation.
5626         (build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR,
5627         NEGATE_EXPR, TRUTH_NOT_EXPR, PREINCREMENT_EXPR, POSTINCREMENT_EXPR,
5628         PREDECREMENT_EXPR, and POSTDECREMENT_EXPR.
5629         (convert_for_assignment): Support FIXED_POINT_TYPE.
5630         (digest_init): Handle FIXED_POINT_TYPE.
5631         (build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR,
5632         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5633         TRUTH_XOR_EXPR, RSHIFT_EXPR, LSHIFT_EXPR, EQ_EXPR, NE_EXPR, LE_EXPR,
5634         GE_EXPR, LT_EXPR, GT_EXPR.
5635         * target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New.
5636         (TARGET_INITIALIZER): Add TARGET_FIXED_POINT_SUPPORTED_P.
5637         * target.h (gcc_target): Add fixed_point_supported_p.
5638         * targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT,
5639         MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM.
5640         (default_fixed_point_supported_p): Define.
5641         * targhooks.h (default_fixed_point_supported_p): Declare.
5642         * doc/tm.texi (TARGET_FIXED_POINT_SUPPORTED_P): Add.
5643         * doc/install.texi (Configuration): Add --enable-fixed-point.
5644         * configure.ac (--enable-fixed-point): New to enable fixed-point
5645         arithmetic extension to C.  For mips targets, we enable it by default.
5646         * configure, config.in: Regenerate.
5647
5648 2007-08-20  Pawel Sikora  <pluto@pld-linux.org>
5649
5650         * doc/invoke.texi (-Wnon-virtual-dtor): Update documentation.
5651
5652 2007-08-20  David Edelsohn  <edelsohn@gnu.org>
5653
5654         * dwarf2out.c (text_section_used): Move declaration outside ifdef
5655         DWARF2_DEBUGGING_INFO.
5656         (cold_text_section_used): Same.
5657         (cold_text_section): Same.
5658
5659 2007-08-20  Richard Guenther  <rguenther@suse.de>
5660
5661         * c-typeck.c (convert_for_assignment): Use the type of
5662         the member for the initialization.
5663
5664 2007-08-20  Richard Guenther  <rguenther@suse.de>
5665
5666         * c-objc-common.c (c_disregard_inline_limits): Remove.
5667         * c-objc-common.h (c_disregard_inline_limits): Likewise.
5668         * cgraphunit.c (cgraph_process_new_functions): Call
5669         disregard_inline_limits_p.
5670         (cgraph_preserve_function_body_p): Likewise.
5671         * ipa-inline.c (compute_inline_parameters): Likewise.
5672         * langhooks-def.h (lhd_tree_inlining_disregard_inline_limits):
5673         Remove.
5674         (LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS): Remove.
5675         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5676         disregard_inline_limits langhook.
5677         * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
5678         Remove.
5679         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5680         disregard_inline_limits langhook.
5681         * tree-inline.c (disregard_inline_limits_p): New function.
5682         * tree-inline.h (disregard_inline_limits_p): Declare.
5683
5684 2007-08-20  Richard Guenther  <rguenther@suse.de>
5685
5686         * langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove.
5687         (LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P): Likewise.
5688         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5689         auto_var_in_fn_p langhook.
5690         * langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and
5691         move ...
5692         * tree.c (auto_var_in_fn_p): ... here.
5693         (find_var_from_fn): Call auto_var_in_fn_p directly.
5694         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5695         auto_var_in_fn_p langhook.
5696         * tree-inline.c (remap_decls): Call auto_var_in_fn_p directly.
5697         (copy_body_r): Likewise.
5698         (self_inlining_addr_expr): Likewise.
5699         * tree.h (auto_var_in_fn_p): Declare.
5700
5701 2007-08-20  Richard Guenther  <rguenther@suse.de>
5702
5703         * tree.c (WALK_SUBTREE): Call walk_tree_1.
5704         (walk_type_fields): Take lh parameter.
5705         (walk_tree): Rename to ...
5706         (walk_tree_1): ... this.  Do not call the walk_subtrees
5707         langhook but the now passed callback.  Pass lh on recursion.
5708         (walk_tree_without_duplicates): Rename to ...
5709         (walk_tree_without_duplicates_1): ... this.  Take lh parameter
5710         and call walk_tree_1.
5711         * tree.h (walk_tree_lh): New typedef.
5712         (walk_tree_1): Declare.
5713         (walk_tree_without_duplicates_1): Likewise.
5714         (walk_tree): New define to walk_tree_1 with NULL lh parameter.
5715         (walk_tree_without_duplicates): New define to
5716         walk_tree_without_duplicates_1 with NULL lh parameter.
5717         * langhooks.c (lhd_tree_inlining_walk_subtrees): Remove.
5718         * langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees
5719         langhook.
5720         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove.
5721         (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
5722         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove walk_subtrees
5723         initializer.
5724
5725 2007-08-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5726
5727         PR middle-end/30564
5728         * tree-inline.c (optimize_inline_calls): Move the cgraph checking
5729         code in front of the compacting of basic blocks.
5730         Move the folding of statements inbetween the cgraph checking
5731         and compacting of basic blocks.
5732
5733 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5734            Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5735
5736         PR target/32522
5737         * config/alpha/alpha.c (va_list_skip_additions): Check for
5738         POINTER_PLUS_EXPR in addition to PLUS_EXPR.
5739         (alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of
5740         PLUS_EXPR when checking ap.__base.
5741         (alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR
5742         when doing addition on pointer types.  Use size_int instead of
5743         build_int_cst.
5744         (alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of
5745         ptr_type in the second operand.
5746
5747 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5748
5749         PR target/33115
5750         * config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front.
5751
5752 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5753
5754         PR middle-end/32940
5755         * cfgexpand.c  (expand_one_register_var): Mark pointer
5756         DECL_ARTIFICIAL as REG_POINTER also.
5757         * stmt.c (expand_decl): Likewise.
5758
5759 2007-08-19  Daniel Berlin  <dberlin@dberlin.org>
5760
5761         Fix PR 32772
5762         Fix PR 32716
5763         Fix PR 32328
5764         Fix PR 32303
5765
5766         * tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
5767         * tree-ssa-alias.c (init_transitive_clobber_worklist): Add
5768         on_worklist argument and avoid adding things to worklist multiple
5769         times.
5770         (add_to_worklist): Ditto.
5771         (mark_aliases_call_clobbered): Mark entire structure clobbered if
5772         single SFT is clobbered.
5773         (set_initial_properties): Ditto.
5774         (compute_call_clobbered): Update for changes to function
5775         arguments.
5776         (create_overlap_variables_for): Always create SFT for offset 0.
5777         (create_structure_vars): Handle PHI's, since we are in SSA form at
5778         this point.
5779         * tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
5780         * tree-ssa-operands.c (access_can_touch_variable): Don't handle
5781         TARGET_MEM_REF.
5782         (add_vars_for_offset): Figure out aliases from access + points-to.
5783         (add_virtual_operand): Use add_vars-for_offset.
5784         (get_tmr_operands): Update for NMT changes, rewrite to be correct.
5785         (add_call_clobber_ops): Remove makes_clobbering_call set.
5786         (get_expr_operands): Always pass through the INDIRECT_REF
5787         reference.
5788         * tree-ssa-structalias.c (struct constraint_graph): Remove
5789         variables member.
5790         Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
5791         address_taken, pt_used, number_incoming.
5792         (FIRST_ADDR_NODE): Removed.
5793         (merge_graph_nodes): Remove broken code for the moment.
5794         (init_graph): New function.
5795         (build_pred_graph): Remove code to init_graph.
5796         Add location equivalence support.
5797         (struct scc_info): Rename roots to deleted.
5798         (scc_visit): Ditto.
5799         (init_scc_info): Ditto
5800         (init_topo_info): Use graph->size.
5801         (compute_topo_order): Ditto.
5802         (do_da_constraint): Removed.
5803         (do_sd_constraint): Remove calls to find().
5804         set_union_with_increment should always get 0 as last arg here.
5805         (do_complex_constraint): Replace do_da_constraint with assert.
5806         Stop calling find.
5807         (struct equiv_class_label): New.
5808         (pointer_equiv_class_table): Ditto.
5809         (location_equiv_class_table): Ditto.
5810         (equiv_class_label_hash): Ditto.
5811         (equiv_class_label_eq): Ditto
5812         (equiv_class_lookup): Ditto.
5813         (equiv_class_ladd): Ditto.
5814         (pointer_equiv_class): Ditto.
5815         (location_equiv_class): Ditto.
5816         (condense_visit): Rename and rewrite from label_visit to do only
5817         SCC related stuff for HU.
5818         (label_visit): Do HU work for HU.
5819         (perform_var_substitution): Update to do HU and location
5820         equivalence.
5821         (free_var_substitution_info): Update to free HU and location
5822         equivalence structures.  */
5823         (find_equivalent_node): Update for pointer but not location
5824         equivalence.
5825         (unite_pointer_equivalences): New function.
5826         (move_complex_constraints): Rewrite to only do moving.
5827         (rewrite_constraints): Split out of move_complex_constraints.
5828         (solve_graph): Use graph->size.
5829         (process_constraint_1): Add from_call argument, use it.
5830         Split *a = &b into two constraints.
5831         (process_constraint): Use new process_constraint_1.
5832         (get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
5833         (get_constraint_for): Handle non-pointer integers properly.
5834         Remove code that used to handle structures.
5835         (handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
5836         with unknown addends.
5837         (handle_rhs_call): New function.
5838         (find_func_aliases): Use handle_rhs_call.
5839         (set_uids_in_ptset): Add an assert.
5840         (set_used_smts): Fix bug in not considering unified vars.
5841         (compute_tbaa_pruning): Stop initing useless iteration_obstack.
5842         (compute_points_to_sets): Update for other function changes.
5843         (delete_points_to_sets): Ditto.
5844         (ipa_pta_execute): Ditto.
5845         (pass_ipa_pta): We need to update SSA after ipa_pta.
5846
5847 2007-08-19  Jan Hubicka  <jh@suse.cz>
5848
5849         * i386.md: Replace "rim" and "mri" constraints by "g".
5850
5851 2007-08-19  Joseph Myers  <joseph@codesourcery.com>
5852
5853         * dwarf2out.c (text_section_used, cold_text_section_used,
5854         cold_text_section, dwarf2out_note_section_used): New.
5855         (dwarf2out_init): Initialize cold_text_section.
5856         (dwarf2out_switch_text_section, dwarf2out_begin_function): Call
5857         dwarf2out_note_section_used.
5858         (size_of_aranges): Only count entry for text section if it was
5859         used.  Count entry for cold text section if it was used.
5860         (output_aranges): Only output entries for text section and cold
5861         text section if they were used.
5862
5863 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5864
5865         * tree-pretty-print.c (debug_generic_expr): Add a comment about
5866         the function.
5867         (debug_generic_stmt): Likewise.
5868         (debug_tree_chain): Likewise.
5869
5870 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5871
5872         * tree-data-refs.c (split_constant_offset): Expose.
5873         * tree-data-refs.h (split_constant_offset): Add declaration.
5874
5875         * tree-vectorizer.h (dr_alignment_support): Renamed
5876         dr_unaligned_software_pipeline to dr_explicit_realign_optimized.
5877         Added a new value dr_explicit_realign.
5878         (_stmt_vec_info): Added new fields: dr_base_address, dr_init,
5879         dr_offset, dr_step, and dr_aligned_to, along with new access
5880         functions for these fields: STMT_VINFO_DR_BASE_ADDRESS,
5881         STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET, STMT_VINFO_DR_STEP, and
5882         STMT_VINFO_DR_ALIGNED_TO.
5883
5884         * tree-vectorizer.c (vect_supportable_dr_alignment): Add
5885         documentation.
5886         In case of outer-loop vectorization with non-fixed misalignment - use
5887         the dr_explicit_realign scheme instead of the optimized realignment
5888         scheme.
5889         (new_stmt_vec_info): Initialize new fields.
5890
5891         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the
5892         'nested_in_vect_loop' case. Change verbosity level.
5893         (vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case.
5894         Don't fail on zero step in the outer-loop for loads.
5895         (vect_analyze_data_refs): Call split_constant_offset to calculate
5896         base, offset and init relative to the outer-loop.
5897
5898         * tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused
5899         BSI function argument with a new function argument - at_loop.
5900         Simplify the condition that determines STEP. Takes additional argument
5901         INV_P. Support outer-loop vectorization (handle the
5902         nested_in_vect_loop case), including zero step in the outer-loop. Call
5903         vect_create_addr_base_for_vector_ref with additional argument.
5904         (vect_create_addr_base_for_vector_ref): Takes additional argument LOOP.
5905         Updated function documentation. Handle the 'nested_in_vect_loop' case.
5906         Fixed and simplified calculation of step.
5907         (vectorizable_store): Call vect_create_data_ref_ptr with loop instead
5908         of bsi, and with additional argument. Call bump_vector_ptr with
5909         additional argument. Fix typos. Handle the 'nested_in_vect_loop' case.
5910         (vect_setup_realignment): Takes additional arguments INIT_ADDR and
5911         DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case
5912         when the realignment setup needs to take place inside the loop.
5913         Support the dr_explicit_realign scheme. Allow generating the optimized
5914         realignment scheme for outer-loop vectorization. Added documentation.
5915         (vectorizable_load): Support the dr_explicit_realign scheme. Handle
5916         the 'nested_in_vect_loop' case, including loads that are invariant in
5917         the outer-loop and the realignment schemes. Handle the case when the
5918         realignment setup needs to take place inside the loop. Call
5919         vect_setup_realignment with additional arguments.  Call
5920         vect_create_data_ref_ptr with additional argument and with loop instead
5921         of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI.
5922         (vect_gen_niters_for_prolog_loop): Call
5923         vect_create_addr_base_for_vector_ref with additional arguments.
5924         (vect_create_cond_for_align_checks): Likewise.
5925         (bump_vector_ptr): Updated to support the new dr_explicit_realign
5926         scheme: takes additional argument bump; argument ptr_incr is now
5927         optional; updated documentation.
5928         (vect_init_vector): Takes additional argument (bsi). Use it, if
5929         available, to insert the vector initialization.
5930         (get_initial_def_for_induction): Pass additional argument in call to
5931         vect_init_vector.
5932         (vect_get_vec_def_for_operand): Likewise.
5933         (vect_setup_realignment): Likewise.
5934         (vectorizable_load): Likewise.
5935
5936 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5937
5938         * tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info
5939         as argument instead of struct loop.
5940         (nested_in_vect_loop_p): New function.
5941         (vect_relevant): Add enum values vect_used_in_outer_by_reduction and
5942         vect_used_in_outer.
5943         (is_loop_header_bb_p): New. Used to differentiate loop-header phis
5944         from other phis in the loop.
5945         (destroy_loop_vec_info): Add additional argument to declaration.
5946
5947         * tree-vectorizer.c (supportable_widening_operation): Also check if
5948         nested_in_vect_loop_p (don't allow changing the order in this case).
5949         (vect_is_simple_reduction): Takes a loop_vec_info as argument instead
5950         of struct loop. Call nested_in_vect_loop_p and don't require
5951         flag_unsafe_math_optimizations if it returns true.
5952         (new_stmt_vec_info): When setting def_type for phis differentiate
5953         loop-header phis from other phis.
5954         (bb_in_loop_p): New function.
5955         (new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so
5956         just update their loop_vinfo.  Order of BB traversal now matters -
5957         call dfs_enumerate_from with bb_in_loop_p.
5958         (destroy_loop_vec_info): Takes additional argument to control whether
5959         stmt_vinfo of the loop stmts should be destroyed as well.
5960         (vect_is_simple_reduction): Allow the "non-reduction" use of a
5961         reduction stmt to be defines by a non loop-header phi.
5962         (vectorize_loops): Call destroy_loop_vec_info with additional argument.
5963
5964         * tree-vect-transform.c (vectorizable_reduction): Call
5965         nested_in_vect_loop_p. Check for multitypes in the inner-loop.
5966         (vectorizable_call): Likewise.
5967         (vectorizable_conversion): Likewise.
5968         (vectorizable_operation): Likewise.
5969         (vectorizable_type_promotion): Likewise.
5970         (vectorizable_type_demotion): Likewise.
5971         (vectorizable_store): Likewise.
5972         (vectorizable_live_operation): Likewise.
5973         (vectorizable_reduction): Likewise. Also pass loop_info to
5974         vect_is_simple_reduction instead of loop.
5975         (vect_init_vector): Call nested_in_vect_loop_p.
5976         (get_initial_def_for_reduction): Likewise.
5977         (vect_create_epilog_for_reduction): Likewise.
5978         (vect_init_vector): Check which loop to work with, in case there's an
5979         inner-loop.
5980         (get_initial_def_for_inducion): Extend to handle outer-loop
5981         vectorization. Fix indentation.
5982         (vect_get_vec_def_for_operand): Support phis in the case vect_loop_def.
5983         In the case vect_induction_def get the vector def from the induction
5984         phi node, instead of calling get_initial_def_for_inducion.
5985         (get_initial_def_for_reduction): Extend to handle outer-loop
5986         vectorization.
5987         (vect_create_epilog_for_reduction): Extend to handle outer-loop
5988         vectorization.
5989         (vect_transform_loop): Change assert to just skip this case.  Add a
5990         dump printout.
5991         (vect_finish_stmt_generation): Add a couple asserts.
5992
5993         (vect_estimate_min_profitable_iters): Multiply
5994         cost of inner-loop stmts (in outer-loop vectorization) by estimated
5995         inner-loop bound.
5996         (vect_model_reduction_cost): Don't add reduction epilogue cost in case
5997         this is an inner-loop reduction in outer-loop vectorization.
5998
5999         * tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function.
6000         Same code as what used to be vect_analyze_scalar_cycles, only with
6001         additional argument loop, and loop_info passed to
6002         vect_is_simple_reduction instead of loop.
6003         (vect_analyze_scalar_cycles): Code factored out into
6004         vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest.
6005         Updated documentation.
6006         (analyze_operations): Check for inner-loop loop-closed exit-phis during
6007         outer-loop vectorization that are live or not used in the outerloop,
6008         cause this requires special handling.
6009         (vect_enhance_data_refs_alignment): Don't consider versioning for
6010         nested-loops.
6011         (vect_analyze_data_refs): Check that there are no datarefs in the
6012         inner-loop.
6013         (vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer
6014         and vect_used_in_outer_by_reduction cases.
6015         (process_use): Also consider the case of outer-loop stmt defining an
6016         inner-loop stmt and vice versa.
6017         (vect_analyze_loop_1): New function.
6018         (vect_analyze_loop_form): Extend, to allow a restricted form of nested
6019         loops.  Call vect_analyze_loop_1.
6020         (vect_analyze_loop): Skip (inner-)loops within outer-loops that have
6021         been vectorized.  Call destroy_loop_vec_info with additional argument.
6022
6023         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow
6024         in the inner-loop when doing outer-loop vectorization. Add
6025         documentation and printout.
6026         (vect_recog_dot_prod_pattern): Likewise. Also add check for
6027         GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop).
6028
6029 2007-08-18  Andrew Pinski  <pinskia@gmail.com>
6030
6031         * tree-affine.h (print_aff): New prototype.
6032         (debug_aff): Likewise.
6033         * tree-affine.c (print_aff): New function.
6034         (debug_aff): Likewise.
6035
6036 2007-08-18  Paul Brook  <paul@codesourcery.com>
6037             Joseph Myers  <joseph@codesourcery.com>
6038
6039         * common.opt (-fdebug-prefix-map=): New option.
6040         * opts.c: Include debug.h.
6041         (common_handle_option): Handle -fdebug-prefix-map.
6042         * final.c: Include ggc.h.
6043         (struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
6044         remap_debug_filename): New.
6045         * Makefile.in (final.o, opts.o): Update dependencies.
6046         * debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
6047         * configure.ac: Check for assembler --debug-prefix-map support.
6048         * configure, config.in: Regenerate.
6049         * gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
6050         (ASM_DEBUG_SPEC): Include ASM_MAP.
6051         * doc/install.texi (--with-debug-prefix-map): Document.
6052         * doc/invoke.texi (-fdebug-prefix-map): Document.
6053         * dbxout.c (dbxout_init, dbxout_start_source_file,
6054         dbxout_source_file): Call remap_debug_filename.
6055         * dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
6056         dwarf2out_start_source_file, dwarf2out_finish): Call
6057         remap_debug_filename.
6058         (file_table_relative_p): Do not check d->emitted_number.
6059         * toplev.c (output_file_directive): Call remap_debug_filename.
6060         * vmsdbgout.c (write_srccorr): Call remap_debug_filename.
6061         * xcoffout.c (xcoffout_source_file): Call remap_debug_filename.
6062
6063 2007-08-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6064
6065         * loop-invariant.c (find_invariants_to_move): Add missing macro
6066         argument.
6067
6068 2007-08-17  Tom Tromey  <tromey@redhat.com>
6069
6070         * tree.h (struct tree_label_decl): Removed old "java" fields.
6071
6072 2007-08-17  Richard Sandiford  <richard@codesourcery.com>
6073             Nigel Stephens  <nigel@mips.com>
6074
6075         * config/mips/sde.h (DRIVER_SELF_SPECS): Add commas.
6076         Treat -mno-data-in-code and -mcode-xonly as aliases for
6077         -mcode-readable=no and -mcode-readable=pcrel respectively.
6078         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly.
6079         (MULTILIB_OPTIONS): Add -mcode-readable=no multilibs.
6080         (MULTILIB_DIRNAMES): Update accordingly.
6081
6082 2007-08-17  H.J. Lu  <hongjiu.lu@intel.com>
6083
6084         * Makefile.in (version.o): Depend on $(REVISION) only if
6085         REVISION_s is defined.
6086
6087 2007-08-17  Sa Liu  <saliu@de.ibm.com>
6088             Ulrich Weigand  <uweigand@de.ibm.com>
6089
6090         PR middle-end/32970
6091         * tree.c (reconstruct_complex_type): For a pointer to a vector,
6092         use build_qualified_type to retain qualifiers of the base type.
6093
6094 2007-08-17  Chen Liqin  <liqin@sunnorth.com.cn>
6095
6096         * config/score/score.md : Update pattern tablejump.
6097         * config/score/score.c : Update score_initialize_trampoline
6098         function.
6099         * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
6100         (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
6101         * doc/contrib.texi: Add my entry.
6102
6103 2007-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6104
6105         * Makefile.in (REVISION): New.
6106         (REVISION_c): New.
6107         (REVISION_s): New.
6108         (version.o): Also depend on $(REVISION). Add
6109         -DREVISION=$(REVISION_s).
6110
6111         * version.c (version_string): Add REVISION.
6112
6113 2007-08-16  Seongbae Park <seongbae.park@gmail.com>
6114
6115         * tree-eh.c (lower_try_finally_onedest): Reset the locus
6116         of GOTO that's relocated to a different block.
6117
6118 2007-08-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6119
6120         * c-common.c (const_strip_array_types): New.
6121         * c-common.h (lang_missing_noreturn_ok_p): Delete.
6122         (const_strip_array_types): New.
6123         * c-objc-common.c (c_disregard_inline_limits,
6124         c_warn_unused_global_decl): Constify.
6125         * c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl,
6126         c_vla_type_p, c_incomplete_type_error): Likewise.
6127         * c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise.
6128         * hooks.c (hook_bool_const_tree_false): New.
6129         * hooks.h (hook_bool_const_tree_false): Likewise.
6130         * langhooks-def.h (lhd_warn_unused_global_decl,
6131         lhd_incomplete_type_error, lhd_expr_size,
6132         lhd_tree_inlining_disregard_inline_limits,
6133         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
6134         LANG_HOOKS_GENERIC_TYPE_P, LANG_HOOKS_TYPE_MAX_SIZE): Constify.
6135         * langhooks.c (lhd_warn_unused_global_decl,
6136         lhd_incomplete_type_error,
6137         lhd_tree_inlining_disregard_inline_limits,
6138         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
6139         lhd_expr_size): Likewise.
6140         * langhooks.h (lang_hooks_for_tree_inlining,
6141         lang_hooks_for_tree_dump, lang_hooks_for_types,
6142         lang_hooks_for_decls, lang_hooks): Likewise.
6143         * pointer-set.c (pointer_set_t, pointer_set_create,
6144         pointer_set_contains, insert_aux, pointer_set_insert,
6145         pointer_set_traverse, pointer_map_t, pointer_map_create,
6146         pointer_map_contains, pointer_map_insert, pointer_map_traverse):
6147         Likewise.
6148         * pointer-set.h (pointer_set_contains, pointer_set_insert,
6149         pointer_set_traverse, pointer_map_contains, pointer_map_insert,
6150         pointer_map_traverse): Likewise.
6151         * predict.c (assert_is_empty): Likewise.
6152         * tree-affine.c (free_name_expansion): Likewise.
6153         * tree-cfg.c (edge_to_cases_cleanup): Likewise.
6154         * tree.c (size_in_bytes, max_int_size_in_bytes): Likewise.
6155         * tree.h (size_in_bytes, max_int_size_in_bytes): Likewise.
6156
6157 2007-08-16  Victor Kaplansky <victork@il.ibm.com>
6158
6159         * tree-vectorizer.c (new_loop_vec_info): Initialize new
6160         field.
6161         (destroy_loop_vec_info): Add call to VEC_free.
6162         * tree-vectorizer.h (may_alias_ddrs): Define.
6163         (LOOP_VINFO_MAY_ALIAS_DDRS): Define.
6164         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
6165         Change reporting to dump.
6166         (vect_is_duplicate_ddr): New.
6167         (vect_mark_for_runtime_alias_test): New.
6168         (vect_analyze_data_ref_dependences) Add call to
6169         vect_mark_for_runtime_alias_test.
6170         (vect_enhance_data_refs_alignment): Define local variable
6171         vect_versioning_for_alias_required, don't perform
6172         peeling for alignment if versioning for alias is
6173         required.
6174         (vect_enhance_data_refs_alignment): Use
6175         PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of
6176         PARAM_VECT_MAX_VERSION_CHECKS.
6177         * tree-vect-transform.c
6178         (vect_create_cond_for_alias_checks): New.
6179         (vect_transform_loop): Add call to
6180         vect_create_cond_for_alias_checks.
6181         (vect_vfa_segment_size): New.
6182         * params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS):
6183         Rename.
6184         (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define.
6185         * gcc/doc/invoke.texi
6186         (vect-max-version-for-alignment-checks): Document.
6187         (vect-max-version-for-alias-checks): Document.
6188         (vect-max-version-checks): Remove.
6189
6190 2007-08-16  Uros Bizjak  <ubizjak@gmail.com>
6191
6192         * config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
6193         the same line as the instruction for all asm dialects.
6194         (*rep_movsi): Ditto.
6195         (*rep_movsi_rex64): Ditto.
6196         (*rep_movqi): Ditto.
6197         (*rep_movqi_rex64): Ditto.
6198         (*rep_stosdi_rex64): Ditto.
6199         (*rep_stossi): Ditto.
6200         (*rep_stossi_rex64): Ditto.
6201         (*rep_stosqi): Ditto.
6202         (*rep_stosqi_rex64): Ditto.
6203         (*cmpstrnqi_nz_1): Ditto.
6204         (*cmpstrnqi_nz_rex_1): Ditto.
6205         (*cmpstrnqi_1): Ditto.
6206         (*cmpstrnqi_rex_1): Ditto.
6207         (*strlenqi_1): Ditto.
6208         (*strlenqi_rex_1): Ditto.
6209         * config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
6210         prefix on the same line as the instruction for all asm dialects.
6211         (sync_double_compare_and_swap<mode>): Ditto.
6212         (*sync_double_compare_and_swapdi_pic): Ditto.
6213         (*sync_compare_and_swap_cc<mode>): Ditto.
6214         (sync_double_compare_and_swap_cc<mode>): Ditto.
6215         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
6216         (sync_old_add<mode>): Ditto.
6217         (sync_add<mode>): Ditto.
6218         (sync_sub<mode>): Ditto.
6219         (sync_ior<mode>): Ditto.
6220         (sync_and<mode>): Ditto.
6221         (sync_xor<mode>): Ditto.
6222
6223 2007-08-16  Richard Sandiford  <richard@codesourcery.com>
6224
6225         PR middle-end/32897
6226         * reload.c (find_reloads): Check that the memory returned by
6227         find_reloads_toplev was not the result of forcing a constant
6228         to memory.
6229         (find_reloads_toplev): Always use simplify_gen_subreg to get
6230         the subreg of a constant.  If the result is also a constant,
6231         but not a legitimate one, force it into the constant pool
6232         and reload its address.
6233
6234 2007-08-15  David Edelsohn  <edelsohn@gnu.org>
6235
6236         * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
6237         POPCOUNT.
6238
6239 2007-08-15  Daniel Jacobowitz  <dan@codesourcery.com>
6240
6241         * config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
6242         directive for the current vector ABI.
6243
6244 2007-08-15  Steve Ellcey  <sje@cup.hp.com>
6245
6246         PR target/32963
6247         * caller-save.c (reg_save_code): Set invalide status on restore code.
6248
6249 2007-08-15  Diego Novillo  <dnovillo@google.com>
6250
6251         * tree-ssa-alias.c (compute_memory_partitions): Use
6252         alias_bitmap_obstack to allocate bitmaps.
6253         (reset_alias_info): Factor out of init_alias_info.
6254         Mark all name tags not associated to an SSA name for renaming.
6255         (init_alias_info): Call it.
6256         (create_name_tags): Tidy.  Add comments.
6257         (dump_points_to_info_for): Do not call get_mem_sym_stats_for.
6258
6259 2007-08-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
6260
6261         * config/mips/mips.c (vr4130_swap_insns_p): Use new interface to
6262         scheduler dependencies.
6263
6264 2007-08-15  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6265
6266         * config/i386/i386.md (subsi3_carry_zext): Remove "m" constraint for
6267         "register_operand".
6268         (*iorsi_1_zext): Likewise.
6269         (*iorsi_1_zext_imm): Likewise.
6270         * config/i386/sse.md: (*sse4_1_extractps): Use "nonimmediate_operand"
6271         with "rm"/"xm" constraint.
6272         (sse2_vmsqrtv2df2): Likewise.
6273
6274 2007-08-15  Jakub Jelinek  <jakub@redhat.com>
6275
6276         PR middle-end/33074
6277         * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for
6278         REG_LIBCALL note.
6279
6280 2007-08-14  Daniel Berlin  <dberlin@dberlin.org>
6281
6282         * tree-pass.h (PROP_pta): Removed.
6283         (TODO_rebuild_alias): New.
6284         (pass_may_alias): Removed.
6285         * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
6286         aliasing if we changed something.
6287         * tree-ssa-alias.c (compute_may_aliases): Make non-static.  Update
6288         SSA internally.
6289         (pass_may_alias): Removed.
6290         (create_structure_vars): Return TODO_rebuild_alias.
6291         * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
6292         * tree-sra.c (tree_sra): Only rebuild aliasing if something
6293         changed.
6294         (tree_sra_early): We never affect aliasing right now.
6295         * tree-flow.h (compute_may_aliases): New prototype.
6296         * passes.c: Remove pass_may_alias from the passes.
6297         (execute_function_todo): Support TODO_rebuild_alias.
6298
6299 2007-08-14  Kai Tietz  <kai.tietz@onevision.com>
6300
6301         * i386.c: (legitimize_address): Move dllimported variable check
6302         infront of legitimizing pic address of CONST symbols.
6303
6304 2007-08-14  Steve Ellcey  <sje@cup.hp.com>
6305
6306         PR tree-optimization/32941
6307         * tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
6308         (goto_queue_cmp): Remove.
6309         (find_goto_replacement): Change search method.
6310         (maybe_record_in_goto_queue): Add assert.
6311         (lower_try_finally): Remove qsort call, add pointer_map_destroy call.
6312         * Makefile.in (tree-eh.o): Add pointer-set.h dependency.
6313
6314 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6315
6316         * alias.c (component_uses_parent_alias_set): Constify.
6317         * alias.h (component_uses_parent_alias_set): Likewise.
6318         * cfgrtl.c (print_rtl_with_bb): Likewise.
6319         * double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
6320         mpz_get_double_int): Likewise.
6321         * double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
6322         mpz_get_double_int): Likewise.
6323         * expr.c (is_aligning_offset, undefined_operand_subword_p,
6324         mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
6325         Likewise.
6326         * expr.h (safe_from_p): Likewise.
6327         * gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
6328         Likewise.
6329         * gimplify.c (should_carry_locus_p, zero_sized_field_decl,
6330         zero_sized_type, goa_lhs_expr_p): Likewise.
6331         * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
6332         * rtl.h (print_rtl_with_bb): Likewise.
6333         * sched-vis.c (print_exp, print_value, print_pattern): Likewise.
6334         * tree-cfg.c (const_first_stmt, const_last_stmt): New.
6335         * tree-flow-inline.h (bb_stmt_list): Constify.
6336         (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
6337         cbsi_stmt): New.
6338         * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
6339         const_first_stmt, const_last_stmt): New.
6340         (block_may_fallthru, empty_block_p): Constify.
6341         * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
6342         EXPR_ONLY_BODY): New.
6343         (expr_first, expr_last, expr_only): Use macro for body.
6344         (const_expr_first, const_expr_last, const_expr_only): New.
6345         * tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
6346         ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
6347         ctsi_prev, ctsi_stmt): New.
6348         * tree-scalar-evolution.c (get_loop_exit_condition): Constify.
6349         * tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
6350         * tree-ssa-loop-niter.c (loop_only_exit_p,
6351         derive_constant_upper_bound): Likewise.
6352         * tree-ssa-phiopt.c (empty_block_p): Likewise.
6353         * tree-ssa-threadupdate.c (redirection_block_p): Likewise.
6354         * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
6355         * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
6356         * tree-vrp.c (vrp_bitmap_equal_p): Likewise.
6357         * tree.c (get_type_static_bounds): Likewise.
6358         * tree.h (const_expr_first, const_expr_last, const_expr_only): New.
6359         (get_type_static_bounds): Constify.
6360
6361 2007-08-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6362
6363         PR target/30315
6364         * config/i386/i386.h (CANONICALIZE_COMPARISON): New.
6365         * config/i386/i386.md (plusminus)(addsub)(SWI): New.
6366         (*<addsub><mode>3_cc_overflow): New.
6367         (*add<mode>3_cconly_overflow): New.
6368         (*sub<mode>3_cconly_overflow): New.
6369         (*<addsub>si3_zext_cc_overflow): New.
6370         * config/i386/predicates.md (fcmov_comparison_operator): Accept
6371         CCCmode for LTU, GTU, LEU and GEU.
6372         (ix86_comparison_operator): Likewise.
6373         (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
6374         * config/i386/i386.c (put_condition_code): Support CCCmode.
6375         (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
6376         or MINUS expressions.
6377
6378 2007-08-14  Andrew Pinski  <pinskia@gmail.com>
6379
6380         PR c/30428
6381         * c-typeck.c (build_binary_op): Disallow vector float types with
6382         BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR.
6383
6384 2007-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
6385
6386         * sched-int.h (struct _dep): Rename field 'kind' to 'type'.
6387         (DEP_KIND): Rename to DEP_TYPE.  Update all uses.
6388         (dep_def): New typedef.
6389         (init_dep_1, sd_debug_dep): Declare functions.
6390         (DEP_LINK_KIND): Rename to DEP_LINK_TYPE.
6391         (debug_dep_links): Remove.
6392         (struct _deps_list): New field 'n_links'.
6393         (DEPS_LIST_N_LINKS): New macro.
6394         (FOR_EACH_DEP_LINK): Remove.
6395         (create_deps_list, free_deps_list, delete_deps_list): Remove
6396         declaration.
6397         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6398         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6399         (copy_deps_list_change_con, move_dep_link): Ditto.
6400         (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
6401         and 'spec_back_deps'.  New field 'resolved_forw_deps'.  Remove field
6402         'dep_count'.
6403         (INSN_BACK_DEPS): Remove.
6404         (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS):
6405         New macros.
6406         (INSN_DEP_COUNT): Remove.
6407         (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP.  Fix comments.
6408         (spec_info, haifa_recovery_block_was_added_during_scheduling_p):
6409         Declare global variables.
6410         (deps_pools_are_empty_p, sched_free_deps): Declare functions.
6411         (add_forw_dep, compute_forward_dependences): Remove declarations.
6412         (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
6413         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6414         (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
6415         functions.
6416         (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW):
6417         New constants.
6418         (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto.
6419         (sd_list_types_def): New typedef.
6420         (sd_next_list): Declare function.
6421         (struct _sd_iterator): New type.
6422         (sd_iterator_def): New typedef.
6423         (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
6424         functions.
6425         (FOR_EACH_DEP): New cycle wrapper.
6426         (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
6427         Declare functions.
6428         (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
6429         (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):
6430         Ditto.
6431
6432         * sched-deps.c (init_dep_1): Make global.
6433         (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New
6434         constants.
6435         (dump_dep): New static function.
6436         (dump_dep_flags): New static variable.
6437         (sd_debug_dep): New function.
6438         (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
6439         the list.
6440         (move_dep_link): Use remove_from_deps_list (), instead of
6441         detach_dep_link ().
6442         (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
6443         (dep_link_is_detached_p): New static function.
6444         (deps_obstack, dl_obstack, dn_obstack): Remove.  Use dn_pool, dl_pool
6445         instead.
6446         (dn_pool, dl_pool): New alloc_pools.
6447         (dn_pool_diff, dl_pool_diff): New static variables.
6448         (create_dep_node, delete_dep_node): New static function.
6449         (create_deps_list): Make it static.  Use alloc_pool 'dl_pool'.
6450         (deps_list_empty_p): Make it static.  Use 'n_links' field.
6451         (deps_pools_are_empty_p): New static function.
6452         (alloc_deps_list, delete_deps_list): Remove.
6453         (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
6454         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6455         (copy_deps_list_change_con): Remove.  Use sd_copy_back_deps () instead.
6456         (forward_dependency_cache): Remove.
6457         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
6458         'back' from the names.  Change signature to use dep_t instead of
6459         equivalent quad.
6460         (add_back_dep): Ditto.  Make global.
6461         (check_dep_status): Rename to check_dep ().
6462         (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
6463         New functions.
6464         (sd_finish_insn): Ditto.
6465         (sd_find_dep_between_no_cache): New static function.
6466         (sd_find_dep_between): New function.
6467         (ask_dependency_caches, set_dependency_caches): New static functions.
6468         (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
6469         (add_or_update_dep_1): Separate pieces of functionality into
6470         ask_dependency_caches (), update_dependency_caches (),
6471         change_spec_dep_to_hard (), update_dep ().
6472         (get_back_and_forw_lists): New static function.
6473         (sd_add_dep): Separate setting of dependency caches into
6474         set_dependency_caches ().
6475         (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
6476         New functions.
6477         (sd_delete_dep): Ditto.
6478         (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants.
6479         (dump_lists): New static function.
6480         (sd_debug_lists): New debug function.
6481         (delete_all_dependences, fixup_sched_groups): Update to use
6482         sd_* infrastructure.
6483         (sched_analyze_2): Create data-speculative dependency only if
6484         data-speculation is enabled.
6485         (sched_analyze_insn): If insn cannot be speculative, make all its
6486         dependencies non-speculative.
6487         (sched_analyze): Use sd_init_insn ().
6488         (add_forw_dep, compute_forward_dependencies): Remove.
6489         (delete_dep_nodes_in_back_deps): New static function.
6490         (sched_free_deps): New function.
6491         (init_dependency_caches): Init alloc_pools.
6492         (extend_depedency_caches): Update after removing of
6493         forward_dependency_cache.
6494         (free_dependency_caches): Ditto.  Free alloc_pools.
6495         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
6496         (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
6497         Ditto.
6498         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6499         (add_dependence): Use init_dep ().
6500         (get_dep_weak_1): New static function.
6501         (get_dep_weak): Move logic to get_dep_weak_1 ().
6502         (dump_ds): New static function moved from haifa-sched.c:
6503         debug_spec_status ().
6504         (debug_ds): New debug function.
6505         (check_dep_status): Rename to check_dep ().  Update to check whole
6506         dependencies.
6507
6508         * haifa-sched.c (spec_info): Make global.
6509         (added_recovery_block_p): Rename to
6510         'haifa_recovery_block_was_added_during_current_schedule_block_p'.
6511         (haifa_recovery_block_was_added_during_scheduling_p): New variable.
6512         (dep_cost, priority, rank_for_schedule, schedule_insn): Update
6513         to use new interfaces.
6514         (ok_for_early_queue_removal): Ditto.
6515         (schedule_block): Initialize logical uids of insns emitted by the
6516         target.
6517         (sched_init): Initialize new variable.
6518         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6519         interfaces.
6520         (extend_global): Initialize insn data.
6521         (init_h_i_d): Remove code that is now handled in sd_init_insn ().
6522         (process_insn_forw_deps_be_in_spec): Change signature.  Update to use
6523         new interfaces.
6524         (add_to_speculative_block): Update to use new interfaces.
6525         (create_recovery_block): Set new variables.
6526         (create_check_block_twin, fix_recovery_deps): Update to use new
6527         interfaces.
6528         (sched_insn_is_legitimate_for_speculation_p): New function.
6529         (speculate_insn): Move checking logic to
6530         sched_insn_is_legitimate_for_speculation_p ().
6531         (sched_remove_insn): Finalize sched-deps information of instruction.
6532         (clear_priorities, add_jump_dependencies): Update to use new
6533         interfaces.
6534         (debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
6535
6536         * sched-rgn.c (set_spec_fed, find_conditional_protection): Update
6537         to use new interfaces.
6538         (is_conditionally_protected, is_pfree, is_prisky) Ditto.
6539         (new_ready): Try to use control speculation only if it is available.
6540         (add_branch_dependences): Update to use new interfaces.
6541         (compute_block_backward_dependences): Rename to
6542         compute_block_dependences ().  Call
6543         targetm.sched.dependencies_evaluation_hook ().
6544         (free_block_dependencies): New static function.
6545         (debug_dependencies): Update to use new interfaces.
6546         (schedule_region): Remove separate computation of forward dependencies.
6547         Move call of targetm.sched.dependencies_evaluation_hook () to
6548         compute_block_dependences ().  Free dependencies at the end of
6549         scheduling the region.
6550
6551         * sched-ebb.c (earliest_block_with_similiar_load): Update to use
6552         new interfaces.
6553         (add_deps_for_risky_insns): Ditto.
6554         (schedule_ebb): Remove separate computation of forward dependencies.
6555         Free dependencies at the end of scheduling the ebb.
6556
6557         * ddg.c (create_ddg_dependence): Update to use new interfaces.
6558         (build_intra_loop_deps): Ditto.  Remove separate computation of
6559         forward dependencies.  Free sched-deps dependencies.
6560
6561         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
6562         to use new interfaces.
6563         (ia64_dfa_new_cycle, ia64_gen_check): Ditto.
6564
6565         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
6566         new interfaces.
6567         (is_costly_group): Ditto.
6568
6569 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6570
6571         * alias.c (rtx_equal_for_memref_p): Constify.
6572         * basic-block.h (const_edge, const_basic_block): New.
6573         (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
6574         single_pred_p, single_succ_edge, single_pred_edge, single_succ,
6575         single_pred, maybe_hot_bb_p, probably_cold_bb_p,
6576         probably_never_executed_bb_p, edge_probability_reliable_p,
6577         br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
6578         inside_basic_block_p, control_flow_insn_p, dominated_by_p):
6579         Likewise.
6580         * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
6581         * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
6582         Likewise.
6583         * cfganal.c (flow_active_insn_p, forwarder_block_p,
6584         flow_nodes_print, dfs_enumerate_from): Likewise.
6585         * cfgbuild.c (count_basic_blocks, inside_basic_block_p,
6586         control_flow_insn_p, count_basic_blocks): Likewise.
6587         * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
6588         get_loop_body_with_size, loop_exit_edge_p): Likewise.
6589         * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
6590         average_num_loop_insns, loop_exit_edge_p,
6591         just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
6592         * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
6593         average_num_loop_insns, seq_cost): Likewise.
6594         * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
6595         * dominance.c (dominated_by_p): Likewise.
6596         * emit-rtl.c (validate_subreg): Likewise.
6597         * except.c (can_throw_internal, can_throw_external): Likewise.
6598         * except.h (can_throw_internal, can_throw_external): Likewise.
6599         * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
6600         oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
6601         compute_transp, load_killed_in_block_p, reg_killed_on_edge,
6602         simple_mem, store_ops_ok, load_kills_store, find_loads,
6603         store_killed_in_insn, store_killed_after, store_killed_before,
6604         gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
6605         Likewise.
6606         * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
6607         noce_mem_write_may_trap_or_fault_p): Likewise.
6608         * pointer-set.c (pointer_set_contains, pointer_map_contains):
6609         Likewise.
6610         * pointer-set.h (pointer_set_contains, pointer_map_contains):
6611         Likewise.
6612         * predict.c (can_predict_insn_p, maybe_hot_bb_p,
6613         probably_cold_bb_p, probably_never_executed_bb_p,
6614         edge_probability_reliable_p, br_prob_note_reliable_p,
6615         can_predict_insn_p): Likewise.
6616         * regclass.c (reg_set_to_hard_reg_set): Likewise.
6617         * resource.c (return_insn_p): Likewise.
6618         * rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
6619         Likewise.
6620         * rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
6621         * tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
6622         * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
6623         verify_gimple_modify_stmt): Likewise.
6624         * tree-chrec.c (is_not_constant_evolution,
6625         is_multivariate_chrec_rec, is_multivariate_chrec,
6626         chrec_contains_symbols, chrec_contains_undetermined,
6627         tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
6628         evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
6629         eq_evolutions_p, scev_direction): Likewise.
6630         * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
6631         eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
6632         chrec_contains_symbols_defined_in_loop,
6633         chrec_contains_undetermined, tree_contains_chrecs,
6634         evolution_function_is_affine_multivariate_p,
6635         evolution_function_is_univariate_p, chrec_zerop,
6636         evolution_function_is_constant_p, evolution_function_is_affine_p,
6637         evolution_function_is_affine_or_constant_p,
6638         tree_does_not_contain_chrecs, chrec_type): Likewise.
6639         * tree-data-ref.c (tree_fold_divides_p,
6640         object_address_invariant_in_loop_p, dr_may_alias_p,
6641         ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
6642         same_access_functions, constant_access_functions,
6643         access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
6644         Likewise.
6645         * tree-flow.h (scev_direction): Likewise.
6646         * tree-gimple.c (is_gimple_stmt): Likewise.
6647         * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
6648         Likewise.
6649         * tree-pretty-print.c (op_prio): Likewise.
6650         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
6651         analyzable_condition, backedge_phi_arg_p): Likewise.
6652         * tree-scalar-evolution.h (get_chrec_loop): Likewise.
6653         * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
6654         * tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
6655         Likewise.
6656
6657 2007-08-13  Dan Hipschman  <dsh@google.com>
6658
6659         PR c/32953
6660         * c-format.c (check_format_arg): Move check for zero-length
6661         format strings below the check for unterminated strings.
6662
6663 2007-08-13  Andrew Pinski  <pinskia@gmail.com>
6664
6665         PR C/30427
6666         * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float
6667         types.
6668
6669 2007-08-13  Nick Clifton  <nickc@redhat.com>
6670
6671         * config/arm/arm_neon.h: Revert GPLv3 patch to this file.
6672
6673 2007-08-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6674
6675         PR fortran/32860
6676         * c-format.c (gcc_gfc_length_specs): New array.
6677         (gcc_gfc_char_table): Add unsigned specifier, and references to
6678         the l length modifier.
6679         (format_types_orig): Use the new gcc_gfc_length_specs.
6680
6681 2007-08-12  Sa Liu  <saliu@de.ibm.com>
6682
6683         * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
6684         and with REG_RETVAL note after split.
6685
6686 2007-08-11  David Daney  <ddaney@avtrex.com>
6687
6688         * config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
6689         as ATTRIBUTE_UNUSED.
6690
6691 2007-08-11  David Edelsohn  <edelsohn@gnu.org>
6692             Segher Boessenkool  <segher@kernel.crashing.org>
6693
6694         * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if
6695         HAVE_LOCAL_CPU_DETECT not defined.
6696
6697 2007-08-11  Jan Hubicka  <jh@suse.cz>
6698
6699         * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
6700         (cgraph_process_new_functions): Honor previous value of
6701         disregard_inline_limits.
6702         * ipa-inline.c (compute_inline_parameters): Likewise.
6703
6704 2007-08-11  Ian Lance Taylor  <iant@google.com>
6705
6706         * alias.h (alias_set_type): Define new type.
6707         (ALIAS_SET_MEMORY_BARRIER): Use it.
6708         * rtl.h: Include alias.h.
6709         (struct mem_attrs): Use alias_set_type.
6710         * tree.h: Include alias.h
6711         (struct tree_type): Use alias_set_type.
6712         (struct tree_struct_field_tag): Likewise.
6713         (struct tree_decl_common): Likewise.
6714         * alias.c (struct alias_set_entry): Use alias_set_type.
6715         (get_alias_set_entry, alias_set_subset_of): Likewise.
6716         (alias_sets_conflict_p): Likewise.
6717         (alias_sets_must_conflict_p): Likewise.
6718         (objects_must_conflict_p): Likewise.
6719         (get_alias_set, new_alias_set): Likewise.
6720         (record_alias_subset, record_component_aliases): Likewise.
6721         (varargs_set, frame_set): Change to alias_set_type.
6722         (get_varargs_alias_set): Use alias_set_type.
6723         (get_frame_alias_set): Likewise.
6724         * builtins.c (setjmp_alias_set): Change to alias_set_type.
6725         * dse.c (struct store_info): Use alias_set_type.
6726         (struct read_info, struct clear_alias_mode_holder): Likewise.
6727         (clear_alias_set_lookup, canon_address): Likewise.
6728         (record_store, check_mem_read_rtx): Likewise.
6729         (dse_record_singleton_alias_set): Likewise.
6730         (dse_invalidate_singleton_alias_set): Likewise.
6731         * emit-rtl.c (get_mem_attrs): Likewise.
6732         (set_mem_attributes_minus_bitpos): Likewise.
6733         (set_mem_alias_set): Likewise.
6734         * expr.c (store_constructor_field, store_field): Likewise.
6735         * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
6736         * langhooks.c (lhd_get_alias_set): Likewise.
6737         * langhooks-def.h (lhd_get_alias_set): Likewise.
6738         * reload1.c (alter_reg): Likewise.
6739         * tree-flow.h (struct fieldoff): Likewise.
6740         * tree-ssa-alias.c (struct alias_map_d): Likewise.
6741         (may_alias_p, get_smt_for, create_sft): Likewise.
6742         * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
6743         * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
6744         (merge_smts_into): Likewise.
6745         * varasm.c (const_alias_set): Likewise.
6746         * c-common.c (strict_aliasing_warning): Likewise.
6747         (c_common_get_alias_set): Likewise.
6748         * dse.h (dse_record_singleton_alias_set): Update declaration.
6749         (dse_invalidate_singleton_alias_set): Likewise.
6750         * emit-rtl.h (set_mem_alias_set): Likewise.
6751         * c-common.h (c_common_get_alias_set): Likewise.
6752         * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
6753         * print-tree.c (print_node): Likewise.
6754         * config/alpha/alpha.c (alpha_sr_alias_set): Change to
6755         alias_set_type.
6756         (alpha_setup_incoming_varargs): Use alias_set_type.
6757         * config/i386/i386.c (setup_incoming_varargs_64): Use
6758         alias_set_type.
6759         (setup_incoming_varargs_ms_64): Likewise.
6760         (ix86_GOT_alias_set): Likewise.
6761         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6762         * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
6763         (set): Change to alias_set_type.
6764         (get_TOC_alias_set): Use alias_set_type.
6765         * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
6766         declaration.
6767         * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
6768         * config/sparc/sparc.c (sparc_sr_alias_set): Change to
6769         alias_set_type.
6770         (struct_value_alias_set): Likewise.
6771         * Makefile.in (GTFILES): Add $(srcdir)/alias.h.
6772
6773 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6774
6775         * config/vxworks-dummy.h (TARGET_VXWORKS): Define.
6776         * config/vxworks.h (TARGET_VXWORKS): Override.
6777         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
6778         "mips" if TARGET_VXWORKS.
6779
6780 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6781
6782         * calls.c (avoid_likely_spilled_reg): New function.
6783         (expand_call): Use it.
6784
6785 2007-08-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6786
6787         * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.
6788
6789 2007-08-10  Adam Nemet  <anemet@caviumnetworks.com>
6790
6791         * config/mips/predicates.md (const_call_insn_operand): Invoke
6792         SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
6793
6794 2007-08-10  David Edelsohn  <edelsohn@gnu.org>
6795
6796         PR target/33042
6797         * config/rs6000/driver-rs6000.c: Include link.h.
6798         Use ElfW instead of wordsize-specif typedef.
6799
6800 2007-08-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6801
6802         * system.h (CONST_CAST): New.
6803         * c-decl.c (c_make_fname_decl): Use it.
6804         * c-lex.c (cb_ident, lex_string): Likewise.
6805         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
6806         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
6807         give_switch, set_multilib_dir): Likewise.
6808         * gengtype-parse.c (string_seq, typedef_name): Likewise.
6809         * passes.c (execute_one_pass): Likewise.
6810         * prefix.c (update_path): Likewise.
6811         * pretty-print.c (pp_base_destroy_prefix): Likewise.
6812         * tree.c (build_string): Likewise.
6813
6814 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6815
6816         * tree-flow-inline.h (is_exec_stmt): Remove.
6817         (is_label_stmt): Remove.
6818         * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and
6819         is_label_stmt.
6820
6821 2007-08-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6822
6823         * lower-subreg.c (resolve_shift_zext): Don't adjust
6824         src_reg_num for wordmode operands.
6825
6826 2007-08-10  Sandra Loosemore  <sandra@codesourcery.com>
6827             David Ung  <davidu@mips.com>
6828
6829         * config/mips/mips.c (TARGET_SCHED_INIT): Define.
6830         (TARGET_SCHED_REORDER2): Define.
6831         (mips_maybe_swap_ready): New.
6832         (mips_last_74k_agen_insn): New.
6833         (mips_74k_agen_init): New.
6834         (mips_74k_agen_reorder): New function to group loads and stores
6835         in the ready queue.
6836         (mips_sched_init): New.
6837         (mips_sched_reorder): Don't do initialization here.  Call
6838         mips_74k_agen_reorder.
6839         (mips_variable_issue): Call mips_74k_agen_init.
6840
6841 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6842
6843         * tree-flow-inline.h (get_filename): Remove.
6844
6845 2007-08-10  Richard Sandiford  <richard@codesourcery.com>
6846
6847         * config/mips/mips-protos.h (mips_address_insns): Add a boolean
6848         argument.
6849         (mips_fetch_insns): Delete in favor of...
6850         (mips_load_store_insns): ...this new function.
6851         * config/mips/mips.c (mips_address_insns): Add a boolean argument
6852         to say whether multiword moves _might_ be split.
6853         (mips_fetch_insns): Delete in favor of...
6854         (mips_load_store_insns): ...this new function.
6855         (mips_rtx_costs): Update the call to mips_address_insns.
6856         (mips_address_cost): Likewise.
6857         * config/mips/mips.md (length): Use mips_load_store_insns instead
6858         of mips_fetch_insns.
6859         * config/mips/constraints.md (R): Use mips_address_insns rather
6860         than mips_fetch_insns.  Assume that the move never needs to be split.
6861
6862 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6863
6864         * config/mips/mips.opt (mhard-float, msoft-float): Make these
6865         control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
6866         than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.
6867         * config/mips/mips.h (mips16_hard_float): Delete.
6868         (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
6869         definitions, and replace with....
6870         (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
6871         * config/mips/mips.c (mips16_hard_float): Delete.  Replace
6872         all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
6873         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
6874         (override_options): Replace MASK_SOFT_FLOAT references with
6875         MASK_SOFT_FLOAT_ABI.  Delete twiddling with MASK_SOFT_FLOAT
6876         and mips16_hard_float when TARGET_MIPS16.
6877
6878 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6879
6880         PR c/32796
6881         * c-typeck.c (build_binary_op): Check for non pointer types before
6882         calling int_fits_type_p.
6883
6884 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6885
6886         PR middle-end/32813
6887         * fold-const.c (omit_one_operand): Return only the ommitted expression
6888         if the result is an empty statement.
6889         (pedantic_omit_one_operand): Likewise.
6890
6891 2007-08-09  Daniel Berlin  <dberlin@dberlin.org>
6892
6893         * c-typeck.c (readonly_error): Improve error for assignment.
6894
6895         * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
6896         expression.
6897         (pp_c_expression): Ditto.
6898
6899 2007-08-09  Simon Baldwin  <simonb@google.com>
6900
6901         * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
6902         break that was preventing simplify_associative_operation() for xor.
6903
6904 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6905             Nigel Stephens  <nigel@mips.com>
6906
6907         * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO):
6908         Document change in interpretation of value from boolean to
6909         tri-state integer.
6910         * optabs.c (expand_ffs, expand_ctz): New functions to compute
6911         ffs and ctz using clz.
6912         (expand_unop): Call them.
6913         * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
6914         result value.
6915         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
6916         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
6917         enable the new ffs expansion on this target.
6918
6919 2007-08-09  Jan Hubicka  <jh@suse.cz>
6920
6921         * optabs.c (expand_widen_pattern_expr): Use optabs accestors.
6922         (expand_ternary_op): Likewise.
6923         (expand_vec_shift_expr): Likewise.
6924         (expand_binop_directly): Likewise.
6925         (expand_binop): Likewise.
6926         (sign_expand_binop): Likewise.
6927         (expand_twoval_unop): Likewise.
6928         (expand_twoval_binop): Likewise.
6929         (expand_twoval_binop_libfunc): Likewise.
6930         (widen_clz): Likewise.
6931         (widen_bswap): Likewise.
6932         (expand_parity): Likewise.
6933         (expand_unop): Likewise.
6934         (expand_abs_nojump): Likewise.
6935         (expand_copysign): Likewise.
6936         (emit_no_conflict_block): Likewise.
6937         (emit_libcall_block): Likewise.
6938         (can_compare_p): Likewise.
6939         (prepare_cmp_insn): Likewise.
6940         (emit_cmp_and_jump_insn_1): Likewise.
6941         (prepare_float_lib_cmp): Likewise.
6942         (emit_conditional_add): Likewise.
6943         (gen_add2_insn): Likewise.
6944         (have_add2_insn): Likewise.
6945         (gen_sub2_insn): Likewise.
6946         (have_sub2_insn): Likewise.
6947         (can_extend_p): Likewise.
6948         (can_fix_p): Likewise.
6949         (can_float_p): Likewise.
6950         (expand_float): Likewise.
6951         (expand_fix): Likewise.
6952         (expand_sfix_optab): Likewise.
6953         (new_optab): Likewise.
6954         (new_convert_optab): Likewise.
6955         (init_libfuncs): Likewise.
6956         (init_interclass_conv_libfuncs): Likewise.
6957         (init_intraclass_conv_libfuncs): Likewise.
6958         (set_conv_libfunc): Likewise.
6959         (init_optabs): Likewise.
6960         (debug_optab_libfuncs): Likewise.
6961         (gen_cond_trap): Likewise.
6962         * optabs.h (optab_handler, convert_optab_hanlder): New.
6963         * genopinit.c: Update optabs generation table.
6964         * reload.c (find_reloads_address_1): Use optabs accestors.
6965         * builtins.c (expand_builtin_mathfn): Likewise.
6966         (expand_builtin_mathfn_2): Likewise.
6967         (expand_builtin_mathfn_3): Likewise.
6968         (expand_builtin_interclass_mathfn): Likewise.
6969         (expand_builtin_sincos): Likewise.
6970         (expand_builtin_cexpi): Likewise.
6971         (expand_builtin_powi): Likewise.
6972         (expand_builtin_strlen): Likewise.
6973         * dojump.c (do_jump): Likewise.
6974         * expr.c (convert_move): Likewise.
6975         (move_by_pieces): Likewise.
6976         (move_by_pieces_ninsns): Likewise.
6977         (can_store_by_pieces): Likewise.
6978         (store_by_pieces_1): Likewise.
6979         (emit_move_via_integer): Likewise.
6980         (emit_move_complex): Likewise.
6981         (emit_move_ccmode): Likewise.
6982         (emit_move_insn_1): Likewise.
6983         (emit_single_push_insn): Likewise.
6984         (store_constructor): Likewise.
6985         (expand_expr_real_1): Likewise.
6986         (do_store_flag): Likewise.
6987         * ada/misc.c (gnat_compute_largest_alignment): Likewise.
6988         (enumerate_modes): Likewise.
6989         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
6990         (supportable_widening_operation): Likewise.
6991         (supportable_narrowing_operation): Likewise.
6992         * expmed.c (store_bit_field_1): Likewise.
6993         (extract_bit_field_1): Likewise.
6994         (expand_mult_highpart_optab): Likewise.
6995         (expand_smod_pow2): Likewise.
6996         (expand_divmod): Likewise.
6997         (emit_store_flag): Likewise.
6998         * tree-vect-patterns.c
6999         (vect_pattern_recog_1): Likewise.
7000         * tree-ssa-loop-prefetch.c
7001         (nontemporal_store_p): Likewise.
7002         * tree-vect-transform.c (vect_model_reduction_cost): Likewise.
7003         (vect_create_epilog_for_reduction): Likewise.
7004         (vectorizable_reduction): Likewise.
7005         (vectorizable_operation): Likewise.
7006         (vect_strided_store_supported): Likewise.
7007         (vectorizable_store): Likewise.
7008         (vect_strided_load_supported): Likewise.
7009         (vectorizable_load): Likewise.
7010         * combine.c (simplify_comparison): Likewise.
7011         * tree-vect-generic.c
7012         (type_for_widest_vector_mode): Likewise.
7013         (expand_vector_operations_1): Likewise.
7014         * config/spu/spu.c (spu_expand_mov): Likewise.
7015         (spu_emit_vector_compare): Likewise.
7016         * config/rs6000/rs6000.c
7017         (rs6000_emit_vector_compare): Likewise.
7018         * stmt.c (add_case_node): Likewise.
7019         * reload1.c (gen_reload):
7020
7021 2007-08-09  Michael Matz  <matz@suse.de>
7022
7023         * tree.h (fixed_zerop): Declare as taking a const_tree.
7024         * tree.c (fixed_zerop): Take a const_tree.
7025
7026 2007-08-09  Ira Rosen  <irar@il.ibm.com>
7027
7028         * tree-vect-transform.c (vectorizable_store): Remove call to
7029         copy_virtual_operands() and call mark_symbols_for_renaming() for
7030         the created vector store.
7031         (vect_setup_realignment): Don't call copy_virtual_operands() and
7032         update_vuses_to_preheader().
7033         (vectorizable_load): Don't call copy_virtual_operands().
7034         (update_vuses_to_preheader): Remove.
7035
7036 2007-08-08  Chao-ying Fu  <fu@mips.com>
7037
7038         * tree.def (FIXED_POINT_TYPE): New type.
7039         (FIXED_CST): New constant.
7040         (FIXED_CONVERT_EXPR): New expr.
7041         * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
7042         (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
7043         * tree.h (struct tree_base): Add saturating_flag.
7044         Remove one bit of spare for saturating_flag.
7045         (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
7046         (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
7047         FIXED_POINT_TYPE_P): Define.
7048         (TYPE_SATURATING): Define.
7049         (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
7050         (struct tree_fixed_cst): New.
7051         (TYPE_IBIT, TYPE_FBIT): Define.
7052         (tree_node): Add fixed_cst.
7053         (enum tree_index): Add new enumeration values of
7054         TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
7055         TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
7056         TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
7057         TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
7058         TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
7059         TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
7060         TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
7061         TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
7062         TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
7063         TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
7064         TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
7065         TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
7066         TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
7067         TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
7068         TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
7069         TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
7070         TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
7071         TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
7072         (sat_short_fract_type_node, sat_fract_type_node,
7073         sat_long_fract_type_node, sat_long_long_fract_type_node,
7074         sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
7075         sat_unsigned_long_fract_type_node,
7076         sat_unsigned_long_long_fract_type_node, short_fract_type_node,
7077         fract_type_node, long_fract_type_node, long_long_fract_type_node,
7078         unsigned_short_fract_type_node, unsigned_fract_type_node,
7079         unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
7080         sat_short_accum_type_node, sat_accum_type_node,
7081         sat_long_accum_type_node, sat_long_long_accum_type_node,
7082         sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
7083         sat_unsigned_long_accum_type_node,
7084         sat_unsigned_long_long_accum_type_node, short_accum_type_node,
7085         accum_type_node, long_accum_type_node, long_long_accum_type_node,
7086         unsigned_short_accum_type_node, unsigned_accum_type_node,
7087         unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
7088         qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
7089         uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
7090         utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
7091         sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
7092         sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
7093         sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
7094         ta_type_node, uha_type_node, usa_type_node, uda_type_node,
7095         uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
7096         sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
7097         sat_uda_type_node, sat_uta_type_node): New macro.
7098         (make_fract_type, make_accum_type): Declare.
7099         (make_signed_fract_type, make_unsigned_fract_type,
7100         make_sat_signed_fract_type, make_sat_unsigned_fract_type,
7101         make_signed_accum_type, make_unsigned_accum_type,
7102         make_sat_signed_accum_type, make_sat_unsigned_accum_type,
7103         make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
7104         make_or_reuse_sat_signed_fract_type,
7105         make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
7106         make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
7107         make_or_reuse_sat_unsigned_accum_type): New macro.
7108         (fixed_zerop): Declare.
7109         * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
7110         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
7111         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
7112         LONG_LONG_ACCUM_TYPE_SIZE): Define.
7113         * treestruct.def: Add TS_FIXED_CST.
7114         * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
7115         (tree.o): Likewise.
7116         (tree-dump.o): Likewise.
7117         (print-tree.o): Likewise.
7118         (tree-pretty-print.o): Likewise.
7119         (fold-const.o): Likewise.
7120         * tree-complex.c (some_nonzerop): Handle FIXED_CST.
7121         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
7122         (is_gimple_min_invariant): Handle FIXED_CST.
7123         * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
7124         MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
7125         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
7126         (layout_type): Handle FIXED_POINT_TYPE.
7127         (make_fract_type, make_accum_type): New functions.
7128         * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
7129         * tree-dump.c (fixed-value.h): New include.
7130         (dump_fixed): New function.
7131         (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
7132         * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
7133         (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
7134         * tree-pretty-print.c (fixed-value.h): New include.
7135         (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
7136         FIXED_CONVERT_EXPR.
7137         * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
7138         * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
7139         * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
7140         * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
7141         for non-saturating fixed-point types.
7142         (reassociate_bb): Likewise.
7143         * emit-rtl.c (fixed-value.h): New include.
7144         (fconst0, fconst1): New array.
7145         (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
7146         * tree-vect-generic.c expand_vector_operation): Support
7147         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
7148         MODE_VECTOR_UACCUM.
7149         (type_for_widest_vector_mode): Add one parameter for the
7150         saturating flag.
7151         Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
7152         vector mode.
7153         Pass the satp parameter to type_for_mode for fixed-point types.
7154         (expand_vector_operations_1): Pass the saturating flag to
7155         type_for_widest_vector_mode.
7156         Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
7157         and MODE_VECTOR_UACCUM.
7158         * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
7159         (vectorizable_condition): Likewise.
7160         * tree.c (fixed-value.h): New include.
7161         (tree_code_size): Support FIXED_CST.
7162         (build_fixed): New function.
7163         (build_one_cst): Support FIXED_POINT_TYPE for accum types.
7164         (fixed_zerop): New function.
7165         (tree_node_structure): Support FIXED_CST.
7166         (type_contains_placeholder_1): Support FIXED_POINT_TYPE.
7167         (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
7168         (type_hash_eq): Handle FIXED_POINT_TYPE.
7169         (simple_cst_equal): Support FIXED_CST.
7170         (iterative_hash_expr): Handle FIXED_CST.
7171         (get_unwidened): Make sure type is not FIXED_POINT_TYPE.
7172         (get_narrower): Likewise.
7173         (variably_modified_type_p): Handle FIXED_POINT_TYPE.
7174         (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
7175         (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
7176         MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
7177         nodes.
7178         (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
7179         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
7180         (initializer_zerop): Support FIXED_CST.
7181         (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
7182         * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
7183         DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
7184         (is_base_type): Handle FIXED_POINT_TYPE.
7185         (add_type_attribute): Handle FIXED_POINT_TYPE.
7186         (gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
7187         * print-tree.c (fixed-value.h): New include.
7188         (print_node_brief): Support FIXED_CST.
7189         (print_node): Support FIXED_POINT_TYPE and FIXED_CST.
7190         * c-pretty-print.c (fixed-value.h): New include.
7191         (pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
7192         TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
7193         (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
7194         Support fixed-point types for inner items in VECTOR_TYPE.
7195         (pp_c_direct_declarator): Likewise.
7196         (pp_c_declarator): Likewise.
7197         (pp_c_fixed_constant): New function.
7198         (pp_c_constant): Handle FIXED_CST.
7199         (pp_c_primary_expression): Likewise.
7200         (pp_c_expression): Likewise.
7201         * fold-const.c (fixed-value.h): New include.
7202         (negate_expr_p): Return true for FIXED_CST.
7203         (fold_negate_expr): Support FIXED_CST.
7204         (split_tree): Support FIXED_CST.
7205         (const_binop): Support FIXED_CST.
7206         (fold_convert_const_int_from_fixed): New function to convert from
7207         fixed to int.
7208         (fold_convert_const_real_from_fixed): New function to convert from
7209         fixed to real.
7210         (fold_convert_const_fixed_from_fixed): New function to convert from
7211         fixed to another fixed.
7212         (fold_convert_const_fixed_from_int): New function to convert from
7213         int to fixed.
7214         (fold_convert_const_fixed_from_real): New function to convert from
7215         real to fixed.
7216         (fold_convert_const): Support conversions from fixed to int, from
7217         fixed to real, from fixed to fixed, from int to fixed, and from real
7218         to fixed.
7219         (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
7220         (operand_equal_p): Support FIXED_CST.
7221         (make_range): For fixed-point modes, we need to pass the
7222         saturating flag as the 2nd parameter.
7223         (tree_swap_operands_p): Handle FIXED_CST.
7224         (fold_plusminus_mult_expr): For fract modes, we cannot generate
7225         constant 1.
7226         (fold_unary): Support FIXED_CONVERT_EXPR.
7227         (fold_binary): Handle FIXED_CST.
7228         Make sure the type is not saturating, before associating operations.
7229         Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
7230         (tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
7231         (fold_negate_const): Support FIXED_CST.
7232         (fold_relational_const): Support FIXED_CST.
7233         * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
7234         (gimplify_expr): Handle FIXED_CST.
7235         (gimplify_type_sizes): Handle FIXED_POINT_TYPE.
7236         * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
7237         * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
7238         * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
7239         FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
7240         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
7241         LONG_LONG_ACCUM_TYPE_SIZE.
7242         * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
7243         * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
7244         * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
7245         * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
7246         MODE_ACCUM, and MODE_UACCUM.
7247         * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
7248         fixed-point types to disable reduction.
7249         * explow.c (promote_mode): Support FIXED_POINT_TYPE.
7250
7251 2007-08-08  David Edelsohn  <edelsohn@gnu.org>
7252
7253         * config/rs6000/x-rs6000: New file.
7254         * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
7255         * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
7256         (EXTRA_SPEC_FUNCTIONS): Define.
7257         (HAVE_LOCAL_CPU_DETECT): Define.
7258         (CC1_CPU_SPEC): Define.
7259         * config/rs6000/driver-rs6000.c: New file.
7260         * config/rs6000/aix.h (CC1_SPEC): Define.
7261         * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
7262         * config.host: Add x-rs6000 to host_xmake_file if host and target
7263         are rs6000 or powerpc.
7264
7265 2007-08-08  Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
7266
7267         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.
7268
7269 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7270             Sandra Loosemore  <sandra@codesourcery.com>
7271             Chao-ying Fu  <fu@mips.com>
7272             Nigel Stephens  <nigel@mips.com>
7273             David Ung  <davidu@mips.com>
7274
7275         * doc/invoke.texi (-mcode-readable): Document.
7276         * config/mips/mips.opt (mcode-readable): New option.
7277         * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
7278         * config/mips/mips.h (mips_code_readable_setting): New enum.
7279         (mips_code_readable): Declare.
7280         (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros.
7281         (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro.
7282         (JUMP_TABLES_IN_TEXT_SECTION): Use it.
7283         (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise.  Remove
7284         boiler-plate comments.
7285         (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
7286         * config/mips/mips.c (mips_code_readable): New variable.
7287         (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
7288         MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES.  Use both the
7289         context and -mcode-readable setting to restrict the use of
7290         SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
7291         Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed.
7292         (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH.
7293         (mips_blocks_for_constant_p): Only return false for
7294         TARGET_MIPS16_PCREL_LOADS.
7295         (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions
7296         for MIPS16.  Handle SYMBOL_32_HIGH.
7297         (mips_const_insns): Allow HIGHs for MIPS16 too.
7298         (mips_unspec_address_offset): New function, split out from...
7299         (mips_unspec_address): ...here.
7300         (mips_output_move): Handle MIPS16 HIGH moves.  Use "li" to load
7301         16-bit symbolic constants.  Assert approropiate conditions for
7302         using the "la" and "dla" macros.
7303         (mips_handle_option): Handle -mcode-readable=.
7304         (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too.
7305         Set up mips_lo_relocs[SYMBOL_32_HIGH].
7306         (mips_strip_unspec_address): New function, split out from...
7307         (print_operand_reloc): ...here.
7308         (print_operand): Pass constants through mips_strip_unspec_address.
7309         (print_operand_address): Likewise.
7310         (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants.
7311         (mips_select_rtx_section): Remove MIPS16 handling.
7312         (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl.
7313         (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC.
7314         (mips16_lay_out_constants): Do nothing unless
7315         TARGET_MIPS16_PCREL_LOADS.
7316         (mips_avoid_hazards): Remove guard of mips16_lay_out_constants.
7317         * config/mips/mips.md: Split HIGHs for MIPS16.
7318         (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
7319
7320 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7321
7322         * config/mips/mips-protos.h (mips_emit_move): Declare.
7323         * config/mips/mips.c (mips_emit_move): New function.
7324         (mips_force_temporary): Use mips_emit_move instead of emit_move_insn.
7325         (mips_legitimize_const_move): Likewise.
7326         (mips_legitimize_move): Likewise.
7327         (mips_split_64bit_move): Likewise.
7328         (mips_restore_gp): Likewise.
7329         (mips_load_call_address): Likewise.
7330         (mips_emit_fcc_reload): Likewise.
7331         (mips_set_return_address): Likewise.
7332         (mips_block_move_straight): Likewise.
7333         (mips_block_move_loop): Likewise.
7334         (mips_setup_incoming_varargs): Likewise.
7335         (mips_save_reg): Likewise.
7336         (mips_expand_prologue): Likewise.
7337         (mips_restore_reg): Likewise.
7338         (mips_expand_epilogue): Likewise.
7339         (mips_output_mi_thunk): Likewise.
7340         (build_mips16_call_stub): Likewise.
7341         (mips_builtin_branch_and_move): Likewise.
7342         * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise.
7343         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
7344         (fixuns_truncdfdi2): Likewise.
7345         (fixuns_truncsfsi2): Likewise.
7346         (fixuns_truncsfdi2): Likewise.
7347         (loadgp_absolute): Likewise.
7348         (builtin_setjmp_setup): Likewise.
7349         (builtin_longjmp): Likewise.
7350         (untyped_call): Likewise.
7351
7352 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7353
7354         * config/mips/mips-protos.h (mips_split_symbol): Add a mode and
7355         an "rtx *" argument.  Return a bool.
7356         * config/mips/mips.c (mips_split_symbol): Accept arbitrary source
7357         values and return true if they can be split.  Take the same kind of
7358         mode argument as mips_symbol_insns.  Add a "lo_sum_out" parameter
7359         and store the lo_sum there if nonnull.  Use the symbol type to
7360         determine whether a $gp or HIGH is needed.
7361         (mips_legitimize_address): Update call to mips_split_symbol and
7362         simplify accordingly.
7363         (mips_legitimize_const_move): Likewise.
7364         * config/mips/mips.md: In the combine define_split,
7365         check mips_split_symbol instead of splittable_symbolic_operand.
7366         Update use of mips_split_symbol in the generator code.
7367         * config/mips/predicates.md (splittable_symbolic_operand): Delete.
7368
7369 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7370
7371         * config/mips/mips.c (mips_symbolic_address_p): Delete.
7372         (mips_symbol_insns_1): New function, split out from...
7373         (mips_symbol_insns): ...here.  Take a mode argument.  Treat loads
7374         and stores separately from load addresses.
7375         (mips_classify_address): Replace uses of mips_symbolic_address_p
7376         with uses of mips_symbol_insns.
7377         (mips_address_insns): Update calls to mips_symbol_insns.
7378         (mips_const_insns): Likewise.
7379         (mips_legitimize_address): Likewise.
7380
7381 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7382
7383         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type.
7384         * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS
7385         block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS.
7386         Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for
7387         non-call contexts if TARGET_MIPS16.
7388         (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM.
7389         (mips_symbolic_address_p): Likewise.  Remove special TARGET_MIPS16
7390         code for SYMBOL_ABSOLUTE.
7391         (mips_symbol_insns): Likewise.
7392
7393 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7394
7395         * config/mips/mips-protos.h (mips_symbol_context): New enumeration.
7396         * config/mips/mips.c (mips_classify_symbol): Take a context argument.
7397         (mips_symbolic_constant_p): Likewise.  Update the call to
7398         mips_classify_symbol.
7399         (mips_classify_address): Update the calls to mips_symbolic_constant_p.
7400         (mips_const_insns): Likewise.  Update the call to mips_classify_symbol.
7401         (mips_legitimize_address): Update the call to mips_symbolic_constant_p.
7402         (print_operand_reloc): Add a context argument.  Update the call to
7403         mips_symbolic_constant_p.
7404         (print_operand): Update the calls to print_operand_reloc.
7405         (print_operand_address): Use print_operand_reloc rather than
7406         print_operand.
7407         (mips_rewrite_small_data_p): Add a context argument.  Update the call
7408         to mips_symbolic_constant_p.
7409         (mips_small_data_pattern_1): Make DATA the containing mem.
7410         Update the call to mips_rewrite_small_data_p.
7411         (mips_rewrite_small_data_1): Likewise.
7412         (mips_use_anchors_for_symbol_p): Update the call to
7413         mips_symbolic_constant_p.
7414         * config/mips/predicates.md (const_call_insn_operand): Likewise.
7415         (splittable_symbolic_operand): Likewise.
7416         (move_operand): Likewise.
7417         (absolute_symbolic_operand): Likewise.
7418         (got_disp_operand): Likewise.
7419         (got_page_ofst_operand): Likewise.
7420
7421 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7422
7423         * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to...
7424         (SYMBOL_ABSOLUTE): ...this.
7425         (SYMBOL_SMALL_DATA): Rename to...
7426         (SYMBOL_GP_RELATIVE): ...this.
7427         (SYMBOL_CONSTANT_POOL): Rename to...
7428         (SYMBOL_PC_RELATIVE): ...this.
7429         * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p)
7430         (mips_symbolic_address_p, mips_symbol_insns, override_options)
7431         (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update
7432         after above changes.
7433         * config/mips/predicates.md (const_call_insn_operand): Likewise.
7434         (general_symbolic_operand): Rename to...
7435         (absolute_symbolic_operand): ...this.
7436         * config/mips/mips.md: Update after above changes.
7437
7438 2007-08-08  Vladimir Yanovsky  <yanov@il.ibm.com>
7439             Revital Eres  <eres@il.ibm.com>
7440
7441         * ddg.c (print_ddg): Add dump information.
7442         * modulo-sched.c (print_node_sched_params): Add parameter and
7443         verbosity.
7444         (calculate_maxii): Remove function.
7445         (undo_generate_reg_moves): Likewise.
7446         (undo_permute_partial_schedule): Likewise.
7447         (kernel_number_of_cycles): Likewise.
7448         (MAXII_FACTOR): New definition to calculate the upper bound of II.
7449         (sms_schedule): Use it.  Remove profitability checks.
7450         (sms_schedule_by_order): Fix order of nodes within the cycle.
7451
7452 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
7453
7454         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add
7455         -profile option, add pie support.
7456         (ENDFILE_SPEC): New spec.
7457         * config/gnu.h (LIB_SPEC): Add -profile option.
7458
7459 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
7460
7461         * config/i386/gnu.h (CPP_SPEC): Add -pthread option.
7462         * config/gnu.h (LIB_SPEC): Likewise.
7463
7464 2007-08-07  Yaz Saito  <saito@google.com>
7465             Ian Lance Taylor  <iant@google.com>
7466
7467         * common.opt (finstrument-functions-exclude-function-list): New
7468         option.
7469         (finstrument-functions-exclude-file-list): New option.
7470         * opts.c (char_p): Define and DEF_VEC.
7471         (flag_instrument_functions_exclude_functions): New static
7472         variable.
7473         (flag_instrument_functions_exclude_files): New static variable.
7474         (add_instrument_functions_exclude_list): New static function.
7475         (flag_instrument_functions_exclude_p): New function.
7476         (common_handle_option): Handle new options.
7477         * flags.h (flag_instrument_functions_exclude_p): Declare.
7478         * gimplify.c (gimplify_function_tree): Call
7479         flag_instrument_functions_exclude_p.
7480         * doc/invoke.texi (Option Summary): Mention new options.
7481         (Code Gen Options): Document new options.
7482
7483 2007-08-07  Ian Lance Taylor  <iant@google.com>
7484
7485         PR rtl-optimization/32776
7486         * lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
7487         (resolve_use): Likewise.
7488         (decompose_multiword_subregs): Remove "changed" local variable.
7489
7490 2007-08-07  Carlos O'Donell  <carlos@codesourcery.com>
7491
7492         * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.
7493         * configure: Regenerate.
7494         * config.in: Regenerate.
7495         * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options
7496         spec string.
7497
7498 2007-08-07  Ian Lance Taylor  <iant@google.com>
7499
7500         * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL
7501         note, just delete the insn.
7502
7503 2007-08-07  Andreas Schwab  <schwab@suse.de>
7504
7505         PR bootstrap/32973
7506         * gengtype-lex.l: Ignore backslash/newline pair while scanning a
7507         struct definition.
7508
7509 2007-08-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7510
7511         * lower-subreg.c (resolve_subreg_use): Remove assertion.
7512         (find_decomposable_shift_zext, resolve_shift_zext): New functions.
7513         (decompose_multiword_subregs): Use the functions above to decompose
7514         multiword shifts and zero-extends.
7515
7516 2007-08-07  Rask Ingemann Lambertsen  <rask@sygehus.dk>
7517
7518         * doc/sourcebuild.texi (Test Directives): Fix "compile" and
7519         "assemble" descriptions which were swapped.
7520
7521 2007-08-06  Chao-ying Fu  <fu@mips.com>
7522
7523         * fixed-value.h: New file.
7524         * fixed-value.c: New file.
7525         * Makefile.in (OBJS-common): Add fixed-value.o.
7526         (fixed-value.o): New rule.
7527         (GTFILES): Add fixed-value.h.
7528         * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT
7529         to compare a.low and b.low.
7530         * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef.
7531
7532 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7533             Daniel Jacobowitz  <dan@codesourcery.com>
7534
7535         PR target/31868
7536         * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to
7537         tmake_file.
7538         (x86_64-*-netbsd*): Likewise.
7539         (x86_64-*-linux*): Likewise.
7540         (x86_64-*-kfreebsd*-gnu): Likewise.
7541         (x86_64-*-knetbsd*-gnu): Likewise.
7542         (i[34567]86-*-solaris2.1[0-9]*): Likewise.
7543
7544         * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed.
7545
7546         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments.
7547         Add -fno-asynchronous-unwind-tables.
7548
7549         * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS).
7550         * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise.
7551         * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise.
7552         * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise.
7553         * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise.
7554
7555 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7556
7557         * config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
7558         (TARGET_C_MODE_FOR_SUFFIX): New.
7559
7560 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7561
7562         * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'.
7563
7564 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7565
7566         * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo.
7567
7568 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7569
7570         * config/i386/i386.md: Check TARGET_ macros and optimize_size
7571         before checking function returns in conditional expressions.
7572
7573 2007-08-06  Alfred Minarik  <a.minarik@aon.at>
7574
7575         PR pch/13676
7576         * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header.
7577
7578 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7579
7580         PR middle-end/32988
7581         * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check
7582         for INTEGRAL_TYPE_P.
7583
7584 2008-08-05  Paolo Bonzini  <bonzini@gnu.org>
7585
7586         * configure.ac: Remove --enable-checking=df from default settings.
7587         * tree-pass.h (TODO_df_verify): New.  Shift TODO_mark_first_instance.
7588         * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification
7589         if the parameter is true.
7590         (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the
7591         DF_VERIFY_SCHEDULED flag is true.
7592         * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED.
7593         (df_finish_pass): Adjust prototype.
7594         * passes.c (execute_todo): Schedule verification if TODO_df_verify is
7595         true.
7596
7597         * see.c (pass_see): Add TODO_df_verify.
7598         * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify.
7599         * global.c (rest_of_handle_global_alloc): Schedule verification
7600         after the pass.
7601         * local-alloc.c (rest_of_handle_local_alloc): Schedule verification
7602         before the pass.
7603         * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify.
7604         * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass.
7605         * loop-iv.c (iv_analysis_done): Schedule verification after the pass.
7606
7607         * config/sh/sh.c (sh_output_mi_thunk): Remove dead code.
7608         * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass.
7609         * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass.
7610
7611 2007-08-05  Vladimir Yanovsky  <yanov@il.ibm.com>
7612             Revital Eres <eres@il.ibm.com>
7613
7614         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new
7615         flag.
7616         * ddg.c (create_ddg_dependence): Rename to...
7617         (create_ddg_dep_from_intra_loop_link): This.  Do not check
7618         for interloop edges.  Do not create anti dependence edge when
7619         a true dependence edge exists in the opposite direction and
7620         -fmodulo-sched-allow-regmoves is set.
7621         (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link.
7622         (add_cross_iteration_register_deps): Create anti dependence edge
7623         when -fno-modulo-sched-allow-regmoves is set.
7624         * common.opt (-fmodulo-sched-allow-regmoves): New flag.
7625
7626 2007-08-04  Richard Sandiford  <richard@codesourcery.com>
7627
7628         * config/arm/arm.md (movsi): Add braces.
7629
7630 2007-08-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7631
7632         PR middle-end/32780
7633         * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of
7634         operands for the folding of "A - (A & B)" into "~B & A"; cast them
7635         to type.
7636
7637 2007-08-03  Zdenek Dvorak  <ook@ucw.cz>
7638
7639         * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops'
7640         state accessor functions.
7641         * cfgloopmanip.c (remove_path, create_preheaders,
7642         force_single_succ_latches, fix_loop_structure): Ditto.
7643         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7644         tree_duplicate_loop_to_header_edge): Ditto.
7645         * cfgloopanal.c (mark_irreducible_loops): Ditto.
7646         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
7647         Ditto.
7648         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
7649         cleanup_tree_cfg): Ditto.
7650         * tree-cfg.c (tree_merge_blocks): Ditto.
7651         * cfgloop.c (rescan_loop_exit, record_loop_exits,
7652         release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
7653         loop_preheader_edge, single_exit): Ditto.
7654         (flow_loops_find): Do not clear loops->state.
7655         * cfgloop.h (loops_state_satisfies_p, loops_state_set,
7656         loops_state_clear): New functions.
7657
7658 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7659
7660         PR middle-end/32399
7661         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
7662         when adding to the base and convert ELT to sizetype instead of type.
7663
7664 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7665
7666         PR middle-end/32304
7667         * ipa-reference.c (has_proper_scope_for_analysis): Return false when
7668         the decl's type has TYPE_NEEDS_CONSTRUCTING set.
7669
7670 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7671
7672         PR middle-end/32935
7673         * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the
7674          correct type the negate expression.
7675
7676 2007-08-03  Jan Hubicka  <jh@suse.cz>
7677
7678         * i386.c (setup_incoming_varargs_64): Tolerate 64bit preferred
7679         stack boundary.
7680
7681 2007-08-03  David Edelsohn  <edelsohn@gnu.org>
7682
7683         * config/rs6000/rs6000.c (struct processor_cost): Change
7684         l1_cache_lines to l1_cache_size.  Add l2_cache_size.
7685         (*_cost): Convert l1 cache information to kilobytes.  Add l2 cache
7686         information.
7687         (rios1_costs, rios2_cost): Correct cache line size.
7688         (rs6000_override_options): Set l2-cache-size parameter.
7689
7690 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7691             Diego Novillo  <dnovillo@google.com>
7692
7693         PR 31521
7694         * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
7695         if the range includes 0.
7696
7697 2007-08-03  Ben Elliston  <bje@au.ibm.com>
7698
7699         * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate
7700         mode to unspec expressions to silence a warning from the generator
7701         programs.
7702
7703 2007-08-02  Steve Ellcey  <sje@cup.hp.com>
7704
7705         * config/ia64/constraints.md ("U"): Make constraint vector only.
7706
7707 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7708
7709         PR middle-end/25446
7710         * c-objc-common.c (c_cannot_inline_tree_fn): Check for an
7711         always_inline attribute on the function decl.
7712
7713 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7714
7715         PR middle-end/25445
7716         * varasm.c (default_binds_local_p_1): Consult flag_whole_program
7717         if we are compiling with -fPIC.
7718
7719 2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
7720             Nigel Stephens  <nigel@mips.com>
7721
7722         * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
7723         Define for MIPS32 and MIPS64.
7724
7725 2007-08-02  Nick Clifton  <nickc@redhat.com>
7726
7727         * config/host-hpux.c: Change copyright header to refer to version
7728         3 of the GNU General Public License and to point readers at the
7729         COPYING3 file and the FSF's license web page.
7730         * config/alpha/predicates.md, config/alpha/vms-ld.c,
7731         config/alpha/linux.h, config/alpha/alpha.opt,
7732         config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h,
7733         config/alpha/vms-unwind.h, config/alpha/ev4.md,
7734         config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c,
7735         config/alpha/alpha.h, config/alpha/sync.md,
7736         config/alpha/openbsd.h, config/alpha/alpha.md,
7737         config/alpha/alpha-modes.def, config/alpha/ev5.md,
7738         config/alpha/alpha-protos.h, config/alpha/freebsd.h,
7739         config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h,
7740         config/alpha/constraints.md, config/alpha/osf.h,
7741         config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h,
7742         config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h,
7743         config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def,
7744         config/frv/frv-asm.h, config/frv/frv-protos.h,
7745         config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h,
7746         config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h,
7747         config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt,
7748         config/s390/2064.md, config/s390/2084.md, config/s390/s390.md,
7749         config/s390/s390.opt, config/s390/s390-modes.def,
7750         config/s390/fixdfdi.h, config/s390/constraints.md,
7751         config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h,
7752         config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md,
7753         config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md,
7754         config/m32c/m32c-pragma.c, config/m32c/m32c.h,
7755         config/m32c/prologue.md, config/m32c/m32c.abi,
7756         config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md,
7757         config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt,
7758         config/m32c/t-m32c, config/m32c/m32c-modes.def,
7759         config/m32c/jump.md, config/m32c/shift.md,
7760         config/m32c/m32c-protos.h, config/libgloss.h,
7761         config/spu/spu-protos.h, config/spu/predicates.md,
7762         config/spu/spu-builtins.h, config/spu/spu.c,
7763         config/spu/spu-builtins.def, config/spu/spu-builtins.md,
7764         config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md,
7765         config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt,
7766         config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h,
7767         config/sparc/hypersparc.md, config/sparc/predicates.md,
7768         config/sparc/linux.h, config/sparc/sp64-elf.h,
7769         config/sparc/supersparc.md, config/sparc/cypress.md,
7770         config/sparc/openbsd1-64.h, config/sparc/openbsd64.h,
7771         config/sparc/niagara.md, config/sparc/sparc.md,
7772         config/sparc/long-double-switch.opt, config/sparc/ultra3.md,
7773         config/sparc/sparc.opt, config/sparc/sync.md,
7774         config/sparc/sp-elf.h, config/sparc/sparc-protos.h,
7775         config/sparc/ultra1_2.md, config/sparc/biarch64.h,
7776         config/sparc/sparc.c, config/sparc/little-endian.opt,
7777         config/sparc/sysv4-only.h, config/sparc/sparc.h,
7778         config/sparc/linux64.h, config/sparc/freebsd.h,
7779         config/sparc/sol2.h, config/sparc/rtemself.h,
7780         config/sparc/netbsd-elf.h, config/sparc/vxworks.h,
7781         config/sparc/sparc-modes.def, config/sparc/sparclet.md,
7782         config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h,
7783         config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md,
7784         config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt,
7785         config/m32r/linux.h, config/m32r/constraints.md,
7786         config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt,
7787         config/darwin-c.c, config/darwin.opt, config/i386/i386.h,
7788         config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h,
7789         config/i386/i386.md, config/i386/netware-crt0.c,
7790         config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h,
7791         config/i386/kaos-i386.h, config/i386/winnt-stubs.c,
7792         config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h,
7793         config/i386/sol2.h, config/i386/constraints.md,
7794         config/i386/netware-libgcc.c, config/i386/sysv5.h,
7795         config/i386/predicates.md, config/i386/geode.md,
7796         config/i386/x86-64.h, config/i386/kfreebsd-gnu.h,
7797         config/i386/freebsd64.h, config/i386/vxworksae.h,
7798         config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h,
7799         config/i386/rtemself.h, config/i386/netbsd-elf.h,
7800         config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c,
7801         config/i386/netware.h, config/i386/i386-modes.def,
7802         config/i386/sysv4-cpp.h, config/i386/i386-interix.h,
7803         config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h,
7804         config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h,
7805         config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h,
7806         config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md,
7807         config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt,
7808         config/i386/xm-mingw32.h, config/i386/linux64.h,
7809         config/i386/openbsdelf.h, config/i386/xm-cygwin.h,
7810         config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h,
7811         config/i386/winnt-cxx.c, config/i386/i386-interix3.h,
7812         config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c,
7813         config/i386/cygwin2.c, config/i386/i386-protos.h,
7814         config/i386/sync.md, config/i386/openbsd.h,
7815         config/i386/host-mingw32.c, config/i386/i386-aout.h,
7816         config/i386/nto.h, config/i386/biarch64.h,
7817         config/i386/i386-coff.h, config/i386/freebsd.h,
7818         config/i386/driver-i386.c, config/i386/knetbsd-gnu.h,
7819         config/i386/host-i386-darwin.c, config/i386/vxworks.h,
7820         config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h,
7821         config/darwin-protos.h, config/linux.opt, config/sol2.c,
7822         config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h,
7823         config/sh/linux.h, config/sh/elf.h, config/sh/superh.h,
7824         config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h,
7825         config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h,
7826         config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md,
7827         config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h,
7828         config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c,
7829         config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def,
7830         config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md,
7831         config/sh/superh64.h, config/sh/rtemself.h,
7832         config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h,
7833         config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h,
7834         config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c,
7835         config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def,
7836         config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h,
7837         config/avr/predicates.md, config/avr/constraints.md,
7838         config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt,
7839         config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h,
7840         config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h,
7841         config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt,
7842         config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt,
7843         config/c4x/c4x-modes.def, config/c4x/rtems.h,
7844         config/c4x/predicates.md, config/c4x/c4x.h,
7845         config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h,
7846         config/xtensa/predicates.md, config/xtensa/xtensa.c,
7847         config/xtensa/linux.h, config/xtensa/xtensa.h,
7848         config/xtensa/elf.h, config/xtensa/xtensa.md,
7849         config/xtensa/xtensa.opt, config/xtensa/constraints.md,
7850         config/xtensa/xtensa-protos.h, config/dbx.h,
7851         config/stormy16/predicates.md, config/stormy16/stormy16.md,
7852         config/stormy16/stormy16.c, config/stormy16/stormy16.opt,
7853         config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h,
7854         config/host-solaris.c, config/fr30/fr30.h,
7855         config/fr30/predicates.md, config/fr30/fr30-protos.h,
7856         config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt,
7857         config/vxworksae.h, config/sol2-c.c, config/lynx.h,
7858         config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md,
7859         config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c,
7860         config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h,
7861         config/m68hc11/m68hc12.h, config/openbsd-oldgas.h,
7862         config/host-linux.c, config/interix3.h, config/cris/cris.c,
7863         config/cris/predicates.md, config/cris/linux.h,
7864         config/cris/cris.h, config/cris/aout.h, config/cris/cris.md,
7865         config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt,
7866         config/cris/aout.opt, config/cris/cris-protos.h,
7867         config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h,
7868         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7869         config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md,
7870         config/iq2000/iq2000.c, config/iq2000/iq2000.opt,
7871         config/host-darwin.c, config/mt/mt.md, config/mt/mt.c,
7872         config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h,
7873         config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h,
7874         config/chorus.h, config/mn10300/mn10300.c,
7875         config/mn10300/mn10300.opt, config/mn10300/predicates.md,
7876         config/mn10300/mn10300.h, config/mn10300/linux.h,
7877         config/mn10300/constraints.md, config/mn10300/mn10300-protos.h,
7878         config/mn10300/mn10300.md, config/ia64/predicates.md,
7879         config/ia64/itanium1.md, config/ia64/unwind-ia64.h,
7880         config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c,
7881         config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md,
7882         config/ia64/freebsd.h, config/ia64/ia64.md,
7883         config/ia64/ia64-modes.def, config/ia64/constraints.md,
7884         config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h,
7885         config/gofast.h, config/rtems.h, config/sol2-10.h,
7886         config/m68k/predicates.md, config/m68k/m68k.md,
7887         config/m68k/linux.h, config/m68k/m68k-modes.def,
7888         config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h,
7889         config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt,
7890         config/m68k/openbsd.h, config/m68k/m68k-aout.h,
7891         config/m68k/m68k.opt, config/m68k/m68020-elf.h,
7892         config/m68k/m68kelf.h, config/m68k/m68k-devices.def,
7893         config/m68k/uclinux-oldabi.h, config/m68k/m68k.c,
7894         config/m68k/constraints.md, config/m68k/rtemself.h,
7895         config/m68k/netbsd-elf.h, config/m68k/m68k.h,
7896         config/m68k/uclinux.h, config/rs6000/power4.md,
7897         config/rs6000/host-darwin.c, config/rs6000/6xx.md,
7898         config/rs6000/linux.h, config/rs6000/eabi.h,
7899         config/rs6000/aix41.opt, config/rs6000/xcoff.h,
7900         config/rs6000/secureplt.h, config/rs6000/linuxspe.h,
7901         config/rs6000/eabialtivec.h, config/rs6000/8540.md,
7902         config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h,
7903         config/rs6000/windiss.h, config/rs6000/603.md,
7904         config/rs6000/aix41.h, config/rs6000/cell.md,
7905         config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h,
7906         config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt,
7907         config/rs6000/darwin.md, config/rs6000/darwin64.h,
7908         config/rs6000/default64.h, config/rs6000/7xx.md,
7909         config/rs6000/darwin.opt, config/rs6000/spe.md,
7910         config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c,
7911         config/rs6000/rios2.md, config/rs6000/linuxaltivec.h,
7912         config/rs6000/7450.md, config/rs6000/linux64.h,
7913         config/rs6000/constraints.md, config/rs6000/440.md,
7914         config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c,
7915         config/rs6000/rs6000.c, config/rs6000/aix52.h,
7916         config/rs6000/rs6000.h, config/rs6000/power6.md,
7917         config/rs6000/predicates.md, config/rs6000/altivec.md,
7918         config/rs6000/aix64.opt, config/rs6000/rios1.md,
7919         config/rs6000/rs6000-modes.def, config/rs6000/rs64.md,
7920         config/rs6000/eabisim.h, config/rs6000/sysv4le.h,
7921         config/rs6000/darwin7.h, config/rs6000/dfp.md,
7922         config/rs6000/linux64.opt, config/rs6000/sync.md,
7923         config/rs6000/vxworksae.h, config/rs6000/power5.md,
7924         config/rs6000/lynx.h, config/rs6000/biarch64.h,
7925         config/rs6000/rs6000.md, config/rs6000/sysv4.opt,
7926         config/rs6000/eabispe.h, config/rs6000/e500.h,
7927         config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h,
7928         config/rs6000/netbsd.h, config/rs6000/e500-double.h,
7929         config/rs6000/aix.h, config/rs6000/vxworks.h,
7930         config/rs6000/40x.md, config/rs6000/aix51.h,
7931         config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md,
7932         config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def,
7933         config/arc/arc.h, config/mcore/mcore-elf.h,
7934         config/mcore/mcore-protos.h, config/mcore/predicates.md,
7935         config/mcore/mcore.md, config/mcore/mcore.c,
7936         config/mcore/mcore.opt, config/mcore/mcore.h,
7937         config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h,
7938         config/score/predicates.md, config/score/score-version.h,
7939         config/score/score-protos.h, config/score/misc.md,
7940         config/score/elf.h, config/score/score.c, config/score/mac.md,
7941         config/score/score7.md, config/score/score.h,
7942         config/score/score-conv.h, config/score/score-mdaux.c,
7943         config/score/score.md, config/score/score.opt,
7944         config/score/score-modes.def, config/score/score-mdaux.h,
7945         config/score/mul-div.S, config/arm/uclinux-elf.h,
7946         config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md,
7947         config/arm/symbian.h, config/arm/linux-elf.h,
7948         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
7949         config/arm/elf.h, config/arm/aout.h, config/arm/arm.c,
7950         config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h,
7951         config/arm/strongarm-pe.h, config/arm/arm.h,
7952         config/arm/cortex-a8-neon.md, config/arm/semiaof.h,
7953         config/arm/cortex-a8.md, config/arm/uclinux-eabi.h,
7954         config/arm/arm-modes.def, config/arm/linux-eabi.h,
7955         config/arm/rtems-elf.h, config/arm/neon-schedgen.ml,
7956         config/arm/arm-cores.def, config/arm/arm-protos.h,
7957         config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h,
7958         config/arm/wince-pe.h, config/arm/neon.md,
7959         config/arm/constraints.md, config/arm/neon.ml,
7960         config/arm/xscale-elf.h, config/arm/strongarm-coff.h,
7961         config/arm/arm.opt, config/arm/arm926ejs.md,
7962         config/arm/predicates.md, config/arm/iwmmxt.md,
7963         config/arm/arm_neon.h, config/arm/unknown-elf.h,
7964         config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt,
7965         config/arm/neon-testgen.ml, config/arm/arm.md,
7966         config/arm/xscale-coff.h, config/arm/pe.c,
7967         config/arm/arm-generic.md, config/arm/pe.h,
7968         config/arm/kaos-strongarm.h, config/arm/freebsd.h,
7969         config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md,
7970         config/arm/strongarm-elf.h, config/arm/cirrus.md,
7971         config/arm/netbsd-elf.h, config/arm/vxworks.h,
7972         config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c,
7973         config/pa/predicates.md, config/pa/pa64-hpux.h,
7974         config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt,
7975         config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h,
7976         config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h,
7977         config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h,
7978         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
7979         config/pa/pa-hpux1010.h, config/pa/pa-protos.h,
7980         config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h,
7981         config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h,
7982         config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt,
7983         config/pa/pa64-regs.h, config/pa/pa-modes.def,
7984         config/pa/constraints.md, config/darwin9.h, config/mips/4100.md,
7985         config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h,
7986         config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h,
7987         config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md,
7988         config/mips/7000.md, config/mips/9000.md, config/mips/4600.md,
7989         config/mips/linux64.h, config/mips/elforion.h,
7990         config/mips/constraints.md, config/mips/generic.md,
7991         config/mips/predicates.md, config/mips/4300.md,
7992         config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md,
7993         config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md,
7994         config/mips/5k.md, config/mips/vr4120-div.S,
7995         config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md,
7996         config/mips/mips-protos.h, config/mips/6000.md,
7997         config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h,
7998         config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h,
7999         config/mips/mips-modes.def, config/mips/vr.h,
8000         config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h,
8001         config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h,
8002         config/vax/vax.h, config/vax/elf.h, config/vax/vax.md,
8003         config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def,
8004         config/vax/openbsd1.h, config/vax/netbsd.h,
8005         config/vax/vax-protos.h, config/vax/netbsd-elf.h,
8006         config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h,
8007         config/h8300/rtems.h, config/h8300/predicates.md,
8008         config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h,
8009         config/h8300/h8300.md, config/h8300/h8300.opt,
8010         config/h8300/coff.h, config/h8300/h8300-protos.h,
8011         config/v850/v850.md, config/v850/predicates.md,
8012         config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt,
8013         config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c,
8014         config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h,
8015         config/mmix/mmix.h, config/mmix/predicates.md,
8016         config/mmix/mmix-protos.h, config/mmix/mmix.md,
8017         config/mmix/mmix.c, config/mmix/mmix.opt,
8018         config/mmix/mmix-modes.def, config/bfin/bfin.opt,
8019         config/bfin/rtems.h, config/bfin/bfin-modes.def,
8020         config/bfin/predicates.md, config/bfin/bfin-protos.h,
8021         config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md:
8022         Likewise.
8023
8024 2007-08-02  Richard Sandiford  <richard@codesourcery.com>
8025
8026         * emit-rtl.c (reset_used_decls): Rename to...
8027         (set_used_decls): ...this.  Set the used flag rather than clearing it.
8028         (unshare_all_rtl_again): Update accordingly.  Set flags on argument
8029         DECL_RTLs rather than resetting them.
8030
8031 2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>
8032
8033         * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
8034
8035 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
8036
8037         * reload.c (find_reloads_address_part): Pass correct MEMREFLOC
8038         argument to find_reloads_address.
8039
8040 2007-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
8041
8042         PR tree-optimization/32919
8043         * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs.
8044         * tree-ssa-coalesce.c (ssa_conflicts_dump): New.
8045         (coalesce_ssa_name): Call it.
8046
8047 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
8048             David Ung  <davidu@mips.com>
8049
8050         * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
8051         (__mips16_unorddf2, __mips16_floatunsidf): New.
8052         * config/mips/mips.c (mips_init_libfuncs): Add optab entries for
8053         above functions.
8054         * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions.
8055
8056 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
8057
8058         * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH.
8059         Display new operands of OMP_SECTIONS and OMP_CONTINUE.
8060         * tree.h (OMP_SECTIONS_CONTROL): New macro.
8061         (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH.
8062         * omp-low.c (get_ws_args_for, determine_parallel_type,
8063         expand_omp_for_generic, expand_omp_for_static_nochunk,
8064         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
8065         Work with more precise CFG.
8066         (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH.
8067         (lower_omp_sections): Emit OMP_SECTIONS_SWITCH.  Add arguments to
8068         OMP_CONTINUE.
8069         * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH.
8070         * gimple-low.c (lower_stmt): Ditto.
8071         * tree-inline.c (estimate_num_insns_1): Ditto.
8072         * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands.
8073         (OMP_SECTIONS_SWITCH): New.
8074         * tree-cfgcleanup.c (cleanup_omp_return): New.
8075         (cleanup_tree_cfg_bb): Call cleanup_omp_return.
8076         * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE
8077         and exit edge for OMP_FOR.  Handle OMP_SECTIONS_SWITCH.
8078         (tree_redirect_edge_and_branch): Handle omp constructs.
8079
8080         * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS
8081         with three arguments.
8082
8083 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
8084
8085         * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only
8086         in loop closed ssa.
8087
8088 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
8089
8090         * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that
8091         the loop structures may need fixing.
8092         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
8093         New functions.
8094         (cleanup_tree_cfg_loop): Removed.
8095         (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures.
8096         * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg
8097         instead of running cleanup_tree_cfg_loop.
8098         * cfgloop.h (LOOPS_NEED_FIXUP): New constant.
8099         * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed.
8100         (tree_predictive_commoning): Declaration changed.
8101         * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop.
8102
8103 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
8104
8105         * doc/invoke.texi (l1-cache-size): Update documentation.
8106         (l2-cache-size): Document.
8107         * params.h (L2_CACHE_SIZE): New macro.
8108         * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
8109         that L1_CACHE_SIZE is in kB now.
8110         (L2_CACHE_SIZE_BYTES): New macro.
8111         (tree_ssa_prefetch_arrays): Show size in kB.
8112         * config/i386/i386.h (struct processor_costs): Add l1_cache_size
8113         and l2_cache_size fields.
8114         * config/i386/driver-i386.c (describe_cache): Detect cache size
8115         in kB.
8116         * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
8117         pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
8118         amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
8119         generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
8120         (override_options): Set l1-cache-size and l2-cache-size to default
8121         values if not specified otherwise.
8122         * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
8123         (PARAM_L2_CACHE_SIZE): New.
8124
8125 2007-08-01  Nigel Stephens  <nigel@mips.com>
8126             David Ung  <davidu@mips.com>
8127             Thiemo Seufer  <ths@mips.com>
8128             Chris Dearman  <chris@mips.com>
8129             Richard Sandiford  <richard@codesourcery.com>
8130
8131         * config.gcc (mips*-sde-elf*): New stanza.
8132         (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
8133         (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
8134         (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*)
8135         (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*)
8136         (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss)
8137         (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16
8138         to tmake_file.
8139         * config/mips/sde.h: New file.
8140         * config/mips/t-libgcc-mips16: Likewise.
8141         * config/mips/t-sde: Likewise.
8142         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings
8143         of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR,
8144         _MIPS_FPSET and _MIPS_SZINT.
8145         * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise.
8146         * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate
8147         insertion of a default -mips option.  Use MIPS_32BIT_OPTION_SPEC.
8148         * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete.
8149         * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
8150         * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
8151         * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32,
8152         _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG,
8153         _MIPS_SZPTR and _MIPS_FPSET.
8154         (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no
8155         architecture is specified.
8156         (MIPS_32BIT_OPTION_SPEC): New macro.
8157
8158 2007-07-31  Dan Hipschman  <dsh@google.com>
8159
8160         * gcc.c (end_going_arg): New function.
8161         (do_spec_2): Use it.
8162         (do_spec_1): Use it.
8163
8164 2007-07-31  H.J. Lu  <hongjiu.lu@intel.com>
8165
8166         * ddg.c (add_cross_iteration_register_deps): Declare bb_info
8167         only if ENABLE_CHECKING is defined.
8168
8169 2007-07-31  Kenneth Zadeck <zadeck@naturalbridge.com>
8170
8171         * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru,
8172         df_ru_add_problem, df_ru_get_bb_info): Removed.
8173         (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered.
8174         * df-problems.c (df_ru_problem_data, df_ru_set_bb_info,
8175         df_ru_free_bb_info, df_ru_alloc,
8176         df_ru_bb_local_compute_process_def,
8177         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8178         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8179         df_ru_transfer_function, df_ru_free, df_ru_start_dump,
8180         df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU,
8181         df_ru_add_problem): Removed.
8182
8183 2007-07-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8184
8185         PR target/32847
8186         * pa.md (casesi32): Use match_scratch.  Revise insn condition.
8187         (casesi32p, casesi64p): Likewise.
8188         (casesi): Adjust for above.
8189
8190 2007-07-31  Richard Sandiford  <richard@codesourcery.com>
8191
8192         * mode-switching.c (create_pre_exit): Don't search past calls.
8193
8194 2007-07-31  Sandra Loosemore  <sandra@codesourcery.com>
8195
8196         * config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
8197
8198 2007-07-31  Revital Eres  <eres@il.ibm.com>
8199
8200         * ddg.c (add_deps_for_def): Rename to...
8201         (add_cross_iteration_register_deps): This.  Change implementation
8202         to use only reaching def and def-use chains to construct the
8203         inter loop dependencies.
8204         (add_deps_for_use): Remove function.
8205         (build_inter_loop_deps): Call add_cross_iteration_register_deps
8206         function to build the inter loop dependencies.
8207         * modulo-sched.c (sms_schedule): Build only
8208         reaching def and def-use chains for the propose of the ddg
8209         construction.
8210
8211 2007-07-31  Julian Brown  <julian@codesourcery.com>
8212
8213         * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal):
8214         New define_insns. Use correct RTL.
8215         (vec_set<mode>): Write as expander.
8216
8217 2007-07-31  Razya Ladelsky  <razya@il.ibm.com>
8218
8219         * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring
8220         to an unallocated space.
8221
8222 2007-07-30  Jan Sjodin  <jan.sjodin@amd.com>
8223
8224         * tree-data-ref.c
8225         (split_constant_offset): Enable split_constant_offset to extract
8226         constants from other statements.
8227         * tree-vect-transform.c
8228         (vect_create_addr_base_for_vector_ref): Generate data_ref_base
8229         to a temp var. Force base_offset to be simple.
8230
8231 2007-07-30  Seongbae Park <seongbae.park@gmail.com>
8232
8233         * df-scan.c (df_scan_verify): Remove artificial limit on
8234         the number of blocks for verification.
8235         * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
8236         df_simulate_defs): Avoid unnecessary insn checking for defs.
8237
8238 2007-07-29  Mark Mitchell  <mark@codesourcery.com>
8239
8240         * config/m68k/lb1sf68.asm (FUNC): New macro.
8241         (__mulsi3): Use it.
8242         (__udivsi3): Likewise.
8243         (__divsi3): Likewise.
8244         (__umodsi3): Likewise.
8245         (__modsi3): Likewise.
8246         (__subdf3): Likewise.
8247         (__adddf3): Likewise.
8248         (__muldf3): Likewise.
8249         (__divdf3): Likewise.
8250         (__negdf2): Likewise.
8251         (__cmpdf2): Likewise.
8252         (__subsf3): Likewise.
8253         (__addsf3): Likewise.
8254         (__mulsf3): Likewise.
8255         (__divsf3): Likewise.
8256         (__negsf2): Likewise.
8257         (__cmpsf2): Likewise.
8258         (__eqdf2): Likewise.
8259         (__nedf2): Likewise.
8260         (__gtdf2): Likewise.
8261         (__gedf2): Likewise.
8262         (__ltdf2): Likewise.
8263         (__ledf2): Likewise.
8264         (__eqsf2): Likewise.
8265         (__nesf2): Likewise.
8266         (__gtsf2): Likewise.
8267         (__gesf2): Likewise.
8268         (__ltsf2): Likewise.
8269         (__lesf2): Likewise.
8270
8271 2007-07-30  Ollie Wild  <aaw@google.com>
8272
8273         * c-ppoutput.c (print_lines_directives_only): New function.
8274         (scan_translation_unit_directives_only): New function.
8275         (preprocess_file): Add call to scan_translation_unit_directives_only.
8276         * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
8277         (sanitize_cpp_opts): Add default flag_dump_macros setting for
8278         -fdirectives-only.  Add errors for -fdirectives-only conflict with
8279         -Wunused-macros and -traditional.
8280         (finish_options): Add builtin macro initialization for
8281         -fdirectives-only + -fpreprocessed.
8282         * c.opt (fdirectives-only): New.
8283         * doc/cppopts.texi (fdirectives-only): New.
8284
8285 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8286
8287         * alias.c (record_set, memory_modified_1): Constify.
8288         * bt-load.c (note_btr_set): Likewise.
8289         * caller-save.c (mark_set_regs, add_stored_regs): Likewise.
8290         * combine.c (set_nonzero_bits_and_sign_copies,
8291         expand_field_assignment, record_dead_and_set_regs_1,
8292         use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
8293         likely_spilled_retval_1): Likewise.
8294         * config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
8295         frv_io_handle_set): Likewise.
8296         * config/mips/mips.c (mips_sim_record_set,
8297         vr4130_true_reg_dependence_p_1): Likewise.
8298         * config/mt/mt.c (insn_dependent_p_1): Likewise.
8299         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
8300         * config/sh/sh.c (flow_dependent_p_1): Likewise.
8301         * cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
8302         * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
8303         * ddg.c (mark_mem_store): Likewise.
8304         * df-problems.c (df_urec_mark_reg_change): Likewise.
8305         * function.c (update_epilogue_consts): Likewise.
8306         * gcse.c (record_set_info, record_last_set_info,
8307         mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
8308         reg_clear_last_set): Likewise.
8309         * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
8310         Likewise.
8311         * jump.c (reversed_comparison_code_parts): Likewise.
8312         * local-alloc.c (validate_equiv_mem_from_store, no_equiv,
8313         reg_is_set): Likewise.
8314         * loop-iv.c (mark_altered): Likewise.
8315         * mode-switching.c (reg_becomes_live): Likewise.
8316         * optabs.c (no_conflict_move_test): Likewise.
8317         * postreload-gcse.c (record_last_set_info, find_mem_conflicts):
8318         Likewise.
8319         * postreload.c (reload_combine_note_store, move2add_note_store):
8320         Likewise.
8321         * regmove.c (flags_set_1): Likewise.
8322         * regrename.c (note_sets, kill_clobbered_value, kill_set_value):
8323         Likewise.
8324         * reload1.c (mark_not_eliminable, forget_old_reloads_1):
8325         Likewise.
8326         * resource.c (update_live_status): Likewise.
8327         * rtl.h (set_of, note_stores): Likewise.
8328         * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
8329         note_stores, parms_set): Likewise.
8330         * sched-rgn.c (sets_likely_spilled_1): Likewise.
8331         * stack-ptr-mod.c (notice_stack_pointer_modification_1):
8332         Likewise.
8333         * var-tracking.c (count_stores, add_stores): Likewise.
8334
8335 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8336
8337         * alias.c (mems_in_disjoint_alias_sets_p,
8338         fixed_scalar_and_varying_struct_p, aliases_everything_p,
8339         nonoverlapping_component_refs_p, nonoverlapping_memrefs_p,
8340         write_dependence_p, mems_in_disjoint_alias_sets_p,
8341         read_dependence, true_dependence, canon_true_dependence,
8342         anti_dependence, output_dependence): Constify.
8343         * combine.c (extended_count): Likewise.
8344         * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise.
8345         * cselib.c (get_value_hash, references_value_p,
8346         cselib_reg_set_mode, cselib_rtx_varies_p): Likewise.
8347         * cselib.h (cselib_reg_set_mode, references_value_p): Likewise.
8348         * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise.
8349         * function.c (contains, prologue_epilogue_contains,
8350         sibcall_epilogue_contains): Likewise.
8351         * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p,
8352         pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p,
8353         only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum,
8354         reg_or_subregno): Likewise.
8355         * recog.c (asm_noperands): Likewise.
8356         * reload1.c (function_invariant_p): Likewise.
8357         * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p,
8358         rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx,
8359         condjump_p, any_condjump_p, any_uncondjump_p, pc_set,
8360         simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p,
8361         true_regnum, reg_or_subregno, condjump_in_parallel_p,
8362         extended_count, prologue_epilogue_contains,
8363         sibcall_epilogue_contains, function_invariant_p, true_dependence,
8364         canon_true_dependence, read_dependence, anti_dependence,
8365         output_dependence): Likewise.
8366         * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise.
8367
8368 2007-07-30  Julian Brown  <julian@codesourcery.com>
8369
8370         * config/arm/neon.md (V_ext): New mode attribute.
8371         (neon_vget_lane<mode>): Replace with define_expand.
8372         (neon_vget_lane<mode>_sext_internal)
8373         (neon_vget_lane<mode>_zext_internal): New define_insns for double
8374         and quad precision vectors.
8375         (neon_vget_lanedi): Add bounds check. Remove dead comment.
8376         * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics
8377         have typeless 32-bit result.
8378
8379 2007-07-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8380
8381         PR tree-opt/32527
8382         * tree-affine.h (aff_tree): The type of rest is sizetype for types
8383         of pointers.
8384         * tree-affine.c (aff_combination_scale): If type is a pointer type,
8385         use sizetype for rest.
8386         (aff_combination_add_elt): Likewise. Don't specialize pointer types.
8387         (aff_combination_convert): Don't convert rest for pointer types.
8388
8389 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
8390
8391         * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
8392
8393         * tree-ssa-alias.c: Add alloc-pool.h.
8394         (init_alias_info): Free alias_bitmap_obstack.
8395         (delete_alias_info): Call delete_mem_ref_stats.
8396         (get_mem_sym_stats_for): Use alloc_pool.
8397         (init_mem_ref_stats): Do not delete mem_ref_stats here.
8398         (delete_mem_sym_stats): Removed.
8399
8400 2007-07-29  Sebastian Pop  <sebpop@gmail.com>
8401
8402         * tree-data-ref.c (add_multivariate_self_dist): Parametric access
8403         functions cannot be represented as classical distance vectors.
8404
8405 2007-07-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8406
8407         * attribs.c (hash_attr, eq_attr, init_attributes): Constify.
8408         * builtins.c (validate_arg, builtin_mathfn_code,
8409         validate_arglist): Likewise.
8410         * calls.c (call_expr_flags): Likewise.
8411         * combine.c (reg_nonzero_bits_for_combine,
8412         reg_num_sign_bit_copies_for_combine, get_last_value,
8413         reg_truncated_to_mode): Likewise.
8414         * emit-rtl.c (subreg_lowpart_p): Likewise.
8415         * expr.c (highest_pow2_factor_for_target,
8416         categorize_ctor_elements_1, categorize_ctor_elements,
8417         count_type_elements, contains_packed_reference,
8418         highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
8419         * fold-const.c (may_negate_without_overflow_p, int_const_binop,
8420         fold_convertible_p, operand_equal_p, tree_swap_operands_p,
8421         native_encode_int, native_encode_real, native_encode_complex,
8422         native_encode_vector, native_encode_expr, native_interpret_int,
8423         native_interpret_real, native_interpret_complex,
8424         native_interpret_vector, native_interpret_expr): Likewise.
8425         * function.c (use_register_for_decl): Likewise.
8426         * gimplify.c (get_name): Likewise.
8427         * langhooks-def.h (lhd_return_null_const_tree): New.
8428         (LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
8429         * langhooks.c (lhd_return_null_const_tree): New.
8430         * langhooks.h (lang_get_callee_fndecl): Constify.
8431         * output.h (constructor_static_from_elts_p): Likewise.
8432         * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
8433         * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
8434         subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
8435         * rtlanal.c (cached_nonzero_bits, nonzero_bits1,
8436         cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
8437         nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
8438         * rtlhooks-def.h (reg_nonzero_bits_general,
8439         reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
8440         Likewise.
8441         * rtlhooks.c (reg_num_sign_bit_copies_general,
8442         reg_nonzero_bits_general, reg_truncated_to_mode_general):
8443         Likewise.
8444         * stmt.c (warn_if_unused_value, is_body_block): Likewise.
8445         * stor-layout.c (mode_for_size_tree): Likewise.
8446         * tree-ssa-loop-im.c (memref_eq): Likewise.
8447         * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
8448         * tree.c (contains_placeholder_p, type_list_equal,
8449         simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
8450         Likewise.
8451         * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
8452         mode_for_size_tree, categorize_ctor_elements, count_type_elements,
8453         contains_placeholder_p, contains_packed_reference,
8454         get_callee_fndecl, operand_equal_for_phi_arg_p,
8455         warn_if_unused_value, is_body_block, native_encode_expr,
8456         native_interpret_expr, fold_convertible_p, operand_equal_p,
8457         int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
8458         validate_arglist, simple_cst_equal, type_list_equal,
8459         use_register_for_decl, call_expr_flags, get_name,
8460         highest_pow2_factor): Likewise.
8461         (const_call_expr_arg_iterator_d,
8462         init_const_call_expr_arg_iterator, next_const_call_expr_arg,
8463         first_const_call_expr_arg, more_const_call_expr_args_p,
8464         FOR_EACH_CONST_CALL_EXPR_ARG): New.
8465         * varasm.c (constructor_static_from_elts_p): Constify.
8466
8467 2007-07-28  Kazu Hirata  <kazu@codesourcery.com>
8468
8469         * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md,
8470         config/arm/neon-schedgen.ml, config/arm/neon.ml,
8471         config/arm/vec-common.md, config/ia64/div.md, cselib.c,
8472         df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c,
8473         regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c,
8474         tree-vect-transform.c, tree.def: Fix comment typos.  Follow
8475         spelling conventions.
8476         * doc/invoke.texi: Follow spelling conventions.
8477
8478 2007-07-29  Vladimir Yanovsky  <yanov@il.ibm.com>
8479             Revital Eres  <eres@il.ibm.com>
8480
8481         * modulo-sched.c (sms_schedule): Avoid loops which includes
8482         auto-increment instructions.
8483
8484 2007-07-28  Richard Guenther  <rguenther@suse.de>
8485
8486         PR middle-end/32920
8487         * fold-const.c (fold_cond_expr_with_comparison): Convert
8488         operand zero of MIN/MAX_EXPR to correct type.
8489
8490 2007-07-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8491
8492         * calls.c (special_function_p, setjmp_call_p, alloca_call_p,
8493         flags_from_decl_or_type): Constify.
8494         * gcc.c (do_spec_1): Likewise.
8495         * print-tree.c (dump_addr, print_node_brief): Likewise.
8496         * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p,
8497         simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p,
8498         tree_purge_all_dead_eh_edges): Likewise.
8499         * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p,
8500         tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges):
8501         Likewise.
8502         * tree.c (expr_location, expr_has_location, expr_locus,
8503         expr_filename, expr_lineno, get_inner_array_type,
8504         fields_compatible_p): Likewise.
8505         * tree.h (get_inner_array_type, fields_compatible_p,
8506         expr_location, expr_has_location, expr_locus, expr_filename,
8507         expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type,
8508         setjmp_call_p, alloca_call_p): Likewise.
8509
8510 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
8511
8512         * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE,
8513         TV_FLOW_INSENSITIVE.
8514
8515         * tree-ssa-alias.c (compute_call_clobbered): Push/pop
8516         TV_CALL_CLOBBER.
8517         (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE.
8518         (compute_flow_insensitive_aliasing): Ditto for
8519         TV_FLOW_INSENSITIVE.
8520
8521 2007-07-27  Jan Hubicka  <jh@suse.cz>
8522
8523         * config/i386/i386.c (register_move_cost): Remove accidentally
8524         comitted #if 0 block.
8525
8526         * attribs.c: Include hashtab.h
8527         (attribute_hash): New.
8528         (substring): New structure.
8529         (extract_attribute_substring, substring_hash, hash_attr, eq_attr):
8530         New function.
8531         (init_attributes): Initialize attribute hash.
8532         (decl_attributes): Use attribute hash.
8533         * Makefile.in (attribs.c): Depend on hashtab.h.
8534
8535 2007-07-27  Steve Ellcey  <sje@cup.hp.com>
8536
8537         * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test.
8538
8539 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8540
8541         * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp,
8542         __mips_dspr2 and __mips_dsp_rev macros.
8543         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev.
8544
8545 2007-07-27  Douglas Gregor  <doug.gregor@gmail.com>
8546
8547        * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
8548
8549 2007-07-26  Kenneth Zadeck <zadeck@naturalbridge.com>
8550
8551         PR middle-end/32749
8552
8553         * df-problems.c (df_create_unused_note): Removed do_not_gen parm
8554         and the updating of the live and do_not_gen sets.
8555         (df_note_bb_compute): Added updating of live and do_not_gen sets
8556         for regular defs so that the case of clobber inside conditional
8557         call is processed correctly.
8558
8559 2007-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8560
8561         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the
8562         operands with compatible type.
8563
8564 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8565
8566         * expr.h (store_bit_field): Don't return a value.
8567         * expmed.c (check_predicate_volatile_ok): New function.
8568         (store_bit_field_1): New function, extracted from store_bit_field.
8569         Take a fallback_p argument and return true if the operation succeeded.
8570         Only use store_fixed_bit_field if fallback_p.  Don't recompute
8571         mode_for_extraction; use op_mode instead.  Try forcing memories
8572         into registers if the insv expander fails.
8573         (store_bit_field): Use store_bit_field_1 with fallback_p true.
8574         Don't return a value.
8575         (convert_extracted_bit_field): New function, extracted from
8576         store_bit_field.
8577         (extract_bit_field_1): Likewise.  Take a fallback_p argument
8578         and return NULL if the operation succeeded.  Only use
8579         extract_fixed_bit_field if fallback_p.  Only calculate one
8580         extraction mode.  Combine code for extv and extzv.  Try forcing
8581         memories into registers if the ext(z)v expander fails.
8582         (extract_bit_field): Use extract_bit_field_1 with fallback_p true.
8583
8584 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8585
8586         * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags
8587         into bitfields.
8588         (df_ref): Likewise.  Put regno with other integer fields.
8589
8590 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8591
8592         * df.h (df_mw_hardreg): Remove "loc" field.
8593         * df-scan.c (df_ref_record): Don't set it.  Remove redundant
8594         local variable.
8595         * df-problems.c (df_whole_mw_reg_unused_p): New function,
8596         split out from df_set_unused_notes_for_mw.  Return false for
8597         partial references.  Assert that mw_reg is a REG when returning true.
8598         (df_set_unused_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8599         (df_whole_mw_reg_dead_p): New function, split out from
8600         df_set_dead_notes_for_mw.  Return false for partial references.
8601         Assert that mw_reg is a REG when returning true.
8602         (df_set_dead_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8603         Remove redundant bitmap check.
8604
8605 2007-07-26  H.J. Lu  <hongjiu.lu@intel.com>
8606
8607         * config/ia64/t-ia64 ($(T)crtbegin.o): Removed.
8608         ($(T)crtend.o): Likwise.
8609         ($(T)crtbeginS.o): Likwise.
8610         ($(T)crtendS.o): Likwise.
8611         ($(T)crtfastmath.o): Likwise.
8612
8613 2007-07-26  Zdenek Dvorak  <dvorakz@suse.cz>
8614
8615         * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed.
8616         * function.h (dom_computed, n_bbs_in_dom_tree): New macros.
8617         * basic-block.h (struct control_flow_graph): Added x_dom_computed
8618         and x_n_bbs_in_dom_tree fields.
8619
8620 2007-07-26  Steve Ellcey  <sje@cup.hp.com>
8621
8622         PR tree-optimization/32087
8623         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
8624         Do not call scale_bbs_frequencies_int with prob of zero.
8625
8626 2007-07-26  Julian Brown  <julian@codesourcery.com>
8627
8628         * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds)
8629         (neon_element_bits): Add prototypes.
8630         * config/arm/arm.c (bounds_check, neon_lane_bounds)
8631         (neon_const_bounds, neon_element_bits): New functions.
8632         * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi)
8633         (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi)
8634         (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi)
8635         (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>)
8636         (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>)
8637         (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>)
8638         (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>)
8639         (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>)
8640         (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>)
8641         (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>)
8642         (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>)
8643         (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>)
8644         (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks.
8645
8646 2007-07-26  Nathan Froyd  <froydnj@codesourcery.com>
8647
8648         * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo.
8649         (HAVE_AS_GNU_ATTRIBUTE): Undefine.
8650
8651 2007-07-26  Mark Shinwell  <shinwell@codesourcery.com>
8652             Julian Brown  <julian@codesourcery.com>
8653
8654         * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New.
8655         * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New.
8656         * config/arm/cortex-a8.md: New.
8657         * config/arm/cortex-a8-neon.md: New.
8658         * config/arm/neon-schedgen.ml: New.
8659         * config/arm/neon.md (vqh_mnem): New.
8660         (neon_type): New.
8661         (Is_float_mode): New.
8662         (Scalar_mul_8_16): New.
8663         (Is_d_reg): New.
8664         (V_mode_nunits): New.
8665         (All instruction patterns): Annotate with neon_type attribute
8666         values.
8667         * config/arm/arm.md: Include cortex-a8.md.
8668         (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab
8669         values.
8670         Annotate instruction patterns accordingly.
8671         (generic_sched): Do not use generic scheduling for Cortex-A8.
8672         (generic_vfp): Do not use generic VFP scheduling for Cortex-A8.
8673
8674 2007-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
8675
8676         * fold-const.c (fold_read_from_constant_string): Use
8677         build_int_cst_type.
8678         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8679
8680 2007-07-26  Nick Clifton  <nickc@redhat.com>
8681
8682         * tree-ssa-operands.h: Change copyright header to refer to version
8683         3 of the GNU General Public License and to point readers at the
8684         COPYING3 file and the FSF's license web page.
8685         * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c,
8686         sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c,
8687         tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c,
8688         targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h,
8689         tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c,
8690         hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c,
8691         flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c,
8692         opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c,
8693         gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
8694         cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
8695         rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
8696         optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
8697         tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
8698         genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
8699         reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
8700         c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
8701         rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,
8702         tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h,
8703         diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c,
8704         gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c,
8705         input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def,
8706         gensupport.h, builtin-attrs.def, sync-builtins.def, params.c,
8707         cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c,
8708         graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c,
8709         genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c,
8710         tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h,
8711         reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h,
8712         real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c,
8713         omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h,
8714         tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c,
8715         regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h,
8716         tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c,
8717         scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c,
8718         double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h,
8719         dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c,
8720         gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c,
8721         hosthooks.h, c-objc-common.h, caller-save.c, graph.c,
8722         ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c,
8723         c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h,
8724         tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c,
8725         xcoffout.h, tree-ssa-propagate.c, ipa-utils.c,
8726         tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h,
8727         gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c,
8728         mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c,
8729         alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c,
8730         dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h,
8731         expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h,
8732         genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
8733         timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
8734         tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c,
8735         recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c,
8736         dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h,
8737         matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c,
8738         tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c,
8739         lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h,
8740         ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c,
8741         ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h,
8742         langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h,
8743         sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c,
8744         gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c,
8745         ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c,
8746         init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
8747         loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c,
8748         mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h,
8749         opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in,
8750         insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c,
8751         tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def,
8752         dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c,
8753         bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c,
8754         coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h,
8755         stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c,
8756         cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
8757         tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c,
8758         loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c,
8759         lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c,
8760         tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c,
8761         tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt,
8762         ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c,
8763         varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c,
8764         sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
8765         target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
8766         omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
8767         intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
8768         sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
8769         genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
8770         tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
8771         bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c,
8772         cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c,
8773         cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk,
8774         tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c,
8775         c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c,
8776         fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c,
8777         vecprim.h, basic-block.h, tree-ssa-structalias.c,
8778         tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c,
8779         passes.c, genconstants.c, c-incpath.c, c-incpath.h,
8780         struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c,
8781         varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h,
8782         reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y,
8783         stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h,
8784         params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h,
8785         tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c,
8786         convert.c, convert.h, langhooks-def.h, reload1.c,
8787         tree-ssa-operands.c: Likewise.
8788
8789 2007-07-26  Jan Hubicka  <jh@suse.cz>
8790
8791         * tree-ssa-live.c: Include debug.h and flags.h.
8792         (mark_scope_block_unused): New function.
8793         (remove_unused_scope_block_p): New function.
8794         (remove_unused_locals): Remove unused blocks too.
8795
8796 2007-07-25  Ian Lance Taylor  <iant@google.com>
8797
8798         * combine.c (combine_max_regno): Remove.  Remove all uses.
8799         (struct reg_stat_struct): Rename from struct reg_stat.
8800         (reg_stat_type): Define, and declare VECs.
8801         (reg_stat): Change from pointer to VEC.  Change all uses.
8802         (combine_split_insns): New static function.
8803         (try_combine, find_split_point): Call it instead of split_insns.
8804
8805 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8806
8807         * cfghooks.c (split_block): Fix the information about loop latch.
8808
8809 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8810
8811         * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
8812
8813 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8814
8815         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
8816         Scan the new edge for loop exit info.
8817
8818 2007-07-25  Andreas Tobler  <a.tobler@schweiz.org>
8819
8820         * config/darwin.c: Include debug.h.
8821
8822 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8823
8824         PR target/32218
8825         * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
8826
8827 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8828
8829         * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode.
8830         (HARD_REGNO_MODE_OK): Ditto.
8831         (MODES_TIEABLE_P): Ditto.
8832         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8833         (CLASS_MAX_NREGS): Ditto.
8834         * config/ia64/ia64.c (ia64_print_operand_address): Add R format.
8835         * config/ia64/ia64.md (divsf3_internal_thr): Removed.
8836         (divdf3_internal_thr): Removed.
8837         * config/ia64/div.md: New file.
8838         * config/ia64/constraints.md: Add H constraint.
8839
8840 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8841
8842         * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount,
8843         sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p,
8844         sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not,
8845         sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg,
8846         sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b,
8847         sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p,
8848         sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c,
8849         sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c,
8850         sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap,
8851         dump_sbitmap_file, debug_sbitmap, popcount_table,
8852         sbitmap_popcount): Constify.
8853         * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New.
8854         (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap,
8855         dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal,
8856         sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg,
8857         sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c,
8858         sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c,
8859         sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b,
8860         sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg,
8861         sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p,
8862         sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap,
8863         sbitmap_popcount, sbitmap_verify_popcount): Constify.
8864
8865 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8866
8867         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
8868         bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
8869         bitmap_first_set_bit, bitmap_and, bitmap_and_into,
8870         bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
8871         bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
8872         bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
8873         bitmap_intersect_p, bitmap_intersect_compl_p,
8874         bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8875         debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
8876         Constify.
8877         * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
8878         bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
8879         bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
8880         bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
8881         bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8882         debug_bitmap, debug_bitmap_file, bitmap_print,
8883         bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
8884         bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
8885
8886 2007-07-25  Daniel Berlin  <dberlin@dberlin.org>
8887
8888         * config/darwin.c (darwin_override_options): Additional fix for
8889         debug info formats that don't support var tracking.
8890
8891 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8892
8893         * cselib.c (entry_and_rtx_equal_p): Constify.
8894         * gengtype.c (output_mangled_typename, write_types, write_local):
8895         Likewise.
8896         * gengtype.h (const_type_p): New.
8897         * see.c (eq_descriptor_extension, hash_descriptor_extension):
8898         Constify.
8899         * tlink.c (scan_linker_output): De-constify.
8900         * tree-ssa-loop-im.c (memref_eq): Constify.
8901         * tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
8902         (shared_bitmap_hash, shared_bitmap_eq): Constify.
8903
8904 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8905
8906         * c-common.c (fname_as_string, c_type_hash): Constify.
8907         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8908         * cgraph.c (edge_hash, edge_eq): Likewise.
8909         * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise.
8910         * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash,
8911         reg_attrs_htab_eq): Likewise.
8912         * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq):
8913         Likewise.
8914         * genautomata.c (const_reserv_sets_t, const_unit_decl_t,
8915         const_decl_t, const_state_t, const_automata_list_el_t): New.
8916         (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL,
8917         DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV,
8918         automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash,
8919         insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp,
8920         reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p,
8921         automata_list_hash, automata_list_eq_p, compare_states_for_equiv,
8922         compare_max_occ_cycle_nums, out_state_arcs_num,
8923         compare_transition_els_num, units_cmp, state_reservs_cmp):
8924         Constify.
8925         * genmodes.c (cmp_modes): Likewise.
8926         * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise.
8927         * gimplify.c (compare_case_labels): Likewise.
8928         * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise.
8929         * loop-unroll.c (si_info_hash, ve_info_hash): Likewise.
8930         * matrix-reorg.c (mtt_info_hash): Likewise.
8931         * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise.
8932         * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New.
8933         (htab_hash_bucket, htab_hash_elem): Constify.
8934         * tree-browser.c (TB_parent_eq): Likewise.
8935         * tree-scalar-evolution.c (hash_scev_info): Likewise.
8936         * tree-ssa-alias.c (sort_tags_by_id): Likewise.
8937         * tree-ssa-coalesce.c (const_coalesce_pair_p): New.
8938         (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs):
8939         Constify.
8940         * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise.
8941         * tree-ssa-pre.c (const_expr_pred_trans_t): New.
8942         (expr_pred_trans_hash, expr_pred_trans_eq): Constify.
8943         * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t,
8944         const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t):
8945         New.
8946         (vn_reference_op_eq, vn_reference_hash, vn_reference_eq,
8947         vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash,
8948         vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify.
8949         * tree-ssa-threadupdate.c (redirection_data_hash,
8950         redirection_data_eq): Likewise.
8951         * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise.
8952         * tree-ssa.c (var_ann_eq): Likewise.
8953         * tree-vrp.c (compare_case_labels): Likewise.
8954         * tree.c (int_cst_hash_hash, int_cst_hash_eq,
8955         tree_map_base_marked_p, type_hash_marked_p, tree_check_failed,
8956         tree_not_check_failed, tree_class_check_failed,
8957         tree_range_check_failed, tree_not_class_check_failed,
8958         omp_clause_check_failed, omp_clause_range_check_failed,
8959         tree_contains_struct_check_failed, tree_operand_check_failed):
8960         Likewise.
8961         * tree.h (tree_contains_struct_check_failed, tree_check_failed,
8962         tree_not_check_failed, tree_class_check_failed,
8963         tree_range_check_failed, tree_not_class_check_failed,
8964         tree_operand_check_failed, omp_clause_operand_check_failed,
8965         tree_operand_length): Likewise.
8966         * var-tracking.c (const_variable): New.
8967         (variable_htab_hash, variable_htab_eq): Constify.
8968         * varasm.c (const_desc_hash): Likewise.
8969
8970 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8971
8972         * expr.c (handled_component_p): Constify.
8973         * fold-const.c (fit_double_type): Likewise.
8974         * real.h (real_value_from_int_cst): Likewise.
8975         * tree-flow-inline.h (gimple_in_ssa_p,
8976         gimple_aliases_computed_p, gimple_addressable_vars,
8977         gimple_call_clobbered_vars, gimple_referenced_vars,
8978         gimple_global_var, gimple_nonlocal_all, gimple_var_anns,
8979         end_htab_p, end_referenced_vars_p, var_ann, function_ann,
8980         may_aliases, end_readonly_imm_use_p, has_zero_uses,
8981         has_single_use, single_imm_use, num_imm_uses, is_exec_stmt,
8982         is_label_stmt, is_global_var, phi_ssa_name_p,
8983         factoring_name_p, is_call_clobbered, tree_common_ann,
8984         op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p,
8985         unmodifiable_var_p, array_ref_contains_indirect_ref,
8986         ref_contains_array_ref, lookup_subvars_for_var,
8987         var_can_have_subvars, overlap_subvar, gimple_ssa_operands,
8988         gimple_mem_ref_stats): Likewise.
8989         * tree-flow.h (tree_common_ann, var_ann, function_ann,
8990         may_aliases, is_exec_stmt, is_label_stmt,
8991         ref_contains_array_ref, array_ref_contains_indirect_ref,
8992         var_can_have_subvars, overlap_subvar, is_call_clobbered,
8993         unmodifiable_var_p): Likewise.
8994         * tree-gimple.c (is_gimple_min_invariant): Likewise.
8995         * tree-gimple.h (is_gimple_min_invariant): Likewise.
8996         * tree.c (type_hash_list, attribute_hash_list, tree_size,
8997         cst_and_fits_in_hwi, real_value_from_int_cst,
8998         build_real_from_int_cst, integer_zerop, integer_onep,
8999         integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2,
9000         tree_floor_log2, real_zerop, real_onep, real_twop,
9001         real_minus_onep, really_constant_p, purpose_member, chain_member,
9002         list_length, fields_length, int_size_in_bytes, bit_position,
9003         int_bit_position, byte_position, int_byte_position, expr_align,
9004         array_type_nelts, tree_node_structure,
9005         type_contains_placeholder_1, iterative_hash_pointer,
9006         is_attribute_with_length_p, is_attribute_p, check_qualified_type,
9007         tree_map_base_eq, type_hash_list, type_hash_eq,
9008         attribute_hash_list, type_num_arguments, tree_int_cst_equal,
9009         tree_int_cst_lt, tree_int_cst_compare, host_integerp,
9010         tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
9011         simple_cst_list_equal, compare_tree_int, iterative_hash_expr,
9012         int_fits_type_p, get_containing_scope, decl_function_context,
9013         decl_type_context, omp_clause_operand_check_failed,
9014         initializer_zerop, int_cst_value, num_ending_zeros): Likewise.
9015         * tree.h (omp_clause_operand_check_failed, tree_size,
9016         build_real_from_int_cst, array_type_nelts, purpose_member,
9017         tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare,
9018         host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
9019         is_attribute_p, check_qualified_type, expr_align,
9020         int_size_in_bytes, bit_position, int_bit_position, byte_position,
9021         int_byte_position, list_length, fields_length, initializer_zerop,
9022         integer_zerop, integer_onep, integer_all_onesp, integer_pow2p,
9023         integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros,
9024         tree_node_structure, handled_component_p, get_containing_scope,
9025         decl_function_context, decl_type_context, real_zerop,
9026         type_num_arguments, fit_double_type, really_constant_p,
9027         int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr,
9028         compare_tree_int, chain_member, simple_cst_list_equal, real_onep,
9029         real_twop, real_minus_onep, int_cst_value): Likewise.
9030
9031 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9032
9033         * cfglayout.c (insn_scope, insn_line): Constify.
9034         * emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
9035         const_double_htab_hash, const_double_htab_eq,
9036         mem_attrs_htab_hash): Likewise.
9037         * loop-iv.c (biv_eq): Likewise.
9038         * print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
9039         print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
9040         debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
9041         Likewise.
9042         * rtl-error.c (location_for_asm, diagnostic_for_asm,
9043         error_for_asm, warning_for_asm, _fatal_insn,
9044         _fatal_insn_not_found): Likewise.
9045         * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
9046         rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
9047         rtl_check_failed_type2, rtl_check_failed_code1,
9048         rtl_check_failed_code2, rtl_check_failed_code_mode,
9049         rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
9050         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
9051         rtl_check_failed_type2, rtl_check_failed_code1,
9052         rtl_check_failed_code2, rtl_check_failed_code_mode,
9053         rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
9054         SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
9055         shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
9056         get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
9057         mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
9058         rtx_unstable_p, get_integer_term, get_related_value,
9059         offset_within_block_p, reg_mentioned_p, count_occurrences,
9060         reg_referenced_p, reg_used_between_p, no_labels_between_p,
9061         single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
9062         reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
9063         find_reg_note, find_regno_note, find_reg_equal_equiv_note,
9064         find_constant_src, find_reg_fusage, find_regno_fusage,
9065         pure_call_p, remove_note, side_effects_p, volatile_refs_p,
9066         volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
9067         may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
9068         computed_jump_p, auto_inc_p, in_expr_list_p,
9069         remove_node_from_expr_list, loc_mentioned_in_p,
9070         label_is_jump_target_p, reversed_comparison_code_parts,
9071         debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
9072         print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
9073         print_inline_rtx): Likewise.
9074         * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
9075         computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
9076         rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
9077         get_integer_term, get_related_value, offset_within_block_p,
9078         count_occurrences, reg_mentioned_p, no_labels_between_p,
9079         reg_used_between_p, reg_referenced_p, single_set_2,
9080         multiple_sets, set_noop_p, refers_to_regno_p,
9081         reg_overlap_mentioned_p, dead_or_set_p,
9082         covers_regno_no_parallel_p, covers_regno_p,
9083         dead_or_set_regno_p, find_reg_note, find_regno_note,
9084         find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
9085         find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
9086         remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
9087         side_effects_p, may_trap_p_1, may_trap_p,
9088         may_trap_after_code_motion_p, may_trap_or_fault_p,
9089         inequality_comparisons_p, tablejump_p, computed_jump_p_1,
9090         computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
9091         subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
9092         * simplify-rtx.c (neg_const_int, plus_minus_operand_p,
9093         mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
9094         Likewise.
9095         * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
9096         warning_for_asm): Likewise.
9097         * tree.h (print_rtl): Likewise.
9098         * varasm.c (get_pool_mode): Likewise.
9099
9100 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9101
9102         * c-lex.c (c_lex_with_flags, lex_string): Constify.
9103         * c-ppoutput.c (print_line, pp_dir_change): Likewise.
9104         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
9105         * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise.
9106         * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise.
9107         * ddg.c (compare_sccs): Likewise.
9108         * df-scan.c (df_ref_compare, df_mw_compare): Likewise.
9109         * dfp.c (decimal_real_from_string, decimal_to_decnumber,
9110         decimal_to_binary, decimal_do_compare, decimal_real_to_decimal,
9111         decimal_do_fix_trunc, decimal_real_to_integer,
9112         decimal_real_to_integer2, decimal_real_maxval): Likewise.
9113         * dse.c (const_group_info_t): New.
9114         (invariant_group_base_eq, invariant_group_base_hash): Constify.
9115         * dwarf2out.c (const_dw_die_ref): New.
9116         (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify.
9117         * tree-browser.c (TB_parent_eq): Likewise.
9118         * unwind-dw2-fde.c (__register_frame_info_bases,
9119         __deregister_frame_info_bases, fde_unencoded_compare, fde_split,
9120         add_fdes, linear_search_fdes, binary_search_unencoded_fdes):
9121         Likewise.
9122         * unwind-dw2-fde.h (get_cie, next_fde): Likewise.
9123         * unwind-dw2.c (uw_frame_state_for): Likewise.
9124         * value-prof.c (histogram_hash, histogram_eq): Likewise.
9125         * value-prof.h (const_histogram_value): New.
9126
9127 2007-07-25  Richard Sandiford  <richard@codesourcery.com>
9128
9129         * config/mips/mips.c (machine_function): Add
9130         initialized_mips16_gp_pseudo_p.
9131         (mips16_gp_pseudo_reg): Do not emit the initialization of
9132         mips16_gp_pseudo_rtx when being called from the gimple cost-
9133         calculation routines; emit it on the first use outside those
9134         routines.
9135
9136 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9137
9138         * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree):
9139         New.
9140
9141         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
9142         RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK,
9143         RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3,
9144         RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6,
9145         RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND):
9146         Preserve const-ness of parameters through use of __typeof(),
9147         also constify and tidy.
9148
9149         * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2,
9150         TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4,
9151         NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5,
9152         CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK,
9153         OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK,
9154         GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK,
9155         PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK,
9156         TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK,
9157         TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise.
9158
9159 2007-07-25  Julian Brown  <julian@codesourcery.com>
9160             Mark Shinwell  <shinwell@codesourcery.com>
9161
9162         * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to...
9163         (alpha_mangle_type): This.
9164         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9165         (TARGET_MANGLE_TYPE): Define this instead.
9166         * config/arm/arm-protos.h (arm_mangle_type): Add prototype.
9167         * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook.
9168         (arm_init_neon_builtins): Fix comment.
9169         (arm_mangle_map_entry): New.
9170         (arm_mangle_map): New.
9171         (arm_mangle_type): New.
9172         * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to...
9173         (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
9174         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
9175         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9176         (TARGET_MANGLE_TYPE): Define this instead.
9177         * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to...
9178         (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT  and restrict
9179         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
9180         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9181         (TARGET_MANGLE_TYPE): Define this instead.
9182         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename
9183         to...
9184         (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT.
9185         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9186         (TARGET_MANGLE_TYPE): Define this instead.
9187         * config/s390/s390.c (s390_mangle_fundamental_type): Rename to...
9188         (s390_mangle_type): This.
9189         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9190         (TARGET_MANGLE_TYPE): Define this instead.
9191         * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to...
9192         (sparc_mangle_type): This.
9193         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
9194         (TARGET_MANGLE_TYPE): Define this instead.
9195         * cp/mangle.c (write_type): Call mangle_type target hook on all
9196         types before mangling.  Use original type, not main variant, as
9197         argument.
9198         * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to...
9199         (TARGET_MANGLE_TYPE): This.
9200         * target.h (gcc_target): Rename mangle_fundamental_type to
9201         mangle_type.
9202         * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to...
9203         (TARGET_MANGLE_TYPE): This. Note slightly different semantics.
9204
9205 2007-07-25  Julian Brown  <julian@codesourcery.com>
9206             Paul Brook  <paul@codesourcery.com>
9207             Joseph Myers  <joseph@codesourcery.com>
9208             Mark Shinwell  <shinwell@codesourcery.com>
9209
9210         * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi.
9211         * config.gcc (arm*-*-*): Add arm_neon.h to extra headers.
9212         (with_fpu): Allow --with-fpu=neon.
9213         * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
9214         * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
9215         * config/arm/arm-modes.def (EI, OI, CI, XI): New modes.
9216         * config/arm/arm-protos.h (neon_immediate_valid_for_move)
9217         (neon_immediate_valid_for_logic, neon_output_logic_immediate)
9218         (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret)
9219         (neon_emit_pair_result_insn, neon_disambiguate_copy)
9220         (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad)
9221         (output_move_neon): Add prototypes.
9222         * config/arm/arm.c (FL_NEON): New flag for NEON processor capability.
9223         (all_fpus): Add FPUTYPE_NEON.
9224         (fp_model_for_fpu): Add NEON field.
9225         (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers.
9226         (arm_arg_partial_bytes): Allow NEON vectors to be passed partially
9227         in registers.
9228         (arm_legitimate_address_p): Don't support fancy addressing for NEON
9229         structure moves.
9230         (thumb2_legitimate_address_p): Likewise.
9231         (neon_valid_immediate): Recognize and prepare constants suitable for
9232         NEON instructions.
9233         (neon_immediate_valid_for_move): New function. Recognize and prepare
9234         immediates for NEON move instructions.
9235         (neon_immediate_valid_for_logic): New function. Recognize and
9236         prepare immediates for NEON logic instructions.
9237         (neon_output_logic_immediate): New function. Create asm string
9238         suitable for outputting immediate logic instructions.
9239         (neon_pairwise_reduce): New function. Implement reduction using
9240         pairwise operations.
9241         (neon_expand_vector_init): New function. Expand a (possibly
9242         non-constant) vector initialization.
9243         (neon_vector_mem_operand): New function. Memory operands supported
9244         for quad-word loads/stores to/from ARM or NEON registers. Don't
9245         allow base+offset addressing for core regs.
9246         (neon_struct_mem_operand): New function. Valid mems for NEON
9247         structure moves.
9248         (coproc_secondary_reload_class): Enable NEON registers to be loaded
9249         from neon_vector_mem_operand addresses without a secondary register.
9250         (add_minipool_forward_ref): Handle >8-byte minipool entries.
9251         (add_minipool_backward_ref): Likewise.
9252         (dump_minipool): Likewise.
9253         (push_minipool_fix): Likewise.
9254         (output_move_quad): New function. Output quad-word moves, loads and
9255         stores using ARM registers.
9256         (output_move_vfp): Add support for vectors in VFP (NEON) D
9257         registers.
9258         (output_move_neon): Output a NEON load/store to/from a quadword
9259         register.
9260         (arm_print_operand): Implement new codes:
9261         - 'c' for unadorned integers (without a # sign).
9262         - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian
9263         mode.
9264         - 'e', 'f' for the low and high D parts of a NEON Q register.
9265         - 'q' outputs a NEON Q register.
9266         - 'h' outputs ranges of D registers for VLDM/VSTM etc.
9267         - 'T' prints NEON opcode features from a coded bitmask.
9268         - 'F' is similar to T, but signed/unsigned codes both print as
9269         'i'.
9270         - 't' is similar to T, but 'u' is printed instead of 'p'.
9271         - 'O' prints 'r' if NEON instruction should perform rounding (as
9272         specified by bitmask), else prints nothing.
9273         - '#' is a punctuation character to stop operand numbers from
9274         running together with following digits in the assembler
9275         strings for instructions (when using mode attributes).
9276         (arm_assemble_integer): Handle extra NEON vector modes. Permute
9277         constant vectors in big-endian mode, where necessary.
9278         (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers.
9279         Handle EI, OI, CI, XI modes.
9280         (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3)
9281         (ashrv2si3): Rename IWMMXT2_BUILTINs to...
9282         (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt)
9283         (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names.
9284         (neon_builtin_type_bits): Add enumeration, one bit for each vector
9285         type.
9286         (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP)
9287         (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros
9288         to turn v8qi, etc. into bits defined above.
9289         (neon_itype): New enumeration. Classifications of NEON builtins.
9290         (neon_builtin_datum): Define struct. Contains information about
9291         a single builtin (with multiple modes).
9292         (CF): Define helper macro for...
9293         (VAR1...VAR10): Define builtins with a type, name and 1-10 different
9294         modes.
9295         (neon_builtin_data): New array. Define information about builtins
9296         for use during initialization/expansion.
9297         (arm_init_neon_builtins): New function.
9298         (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is
9299         true.
9300         (neon_builtin_compare): New function.
9301         (locate_neon_builtin_icode): New function. Find an insn code for a
9302         builtin given a function code for that builtin. Also return type of
9303         builtin (NEON_BINOP, NEON_UNOP etc.).
9304         (builtin_arg): New enumeration. Types of arguments for builtins.
9305         (arm_expand_neon_args): New function. Expand a generic NEON builtin.
9306         Takes a variable argument list of builtin_arg types, terminated by
9307         NEON_ARG_STOP.
9308         (arm_expand_neon_builtin): New function. Expand a NEON builtin.
9309         (neon_reinterpret): New function. Expand NEON reinterpret intrinsic.
9310         (neon_emit_pair_result_insn): New function. Support returning pairs
9311         of vectors via a pointer.
9312         (neon_disambiguate_copy): New function. Set up operands for a
9313         multi-word copy such that registers do not get clobbered.
9314         (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >=
9315         ARM_BUILTIN_NEON_BASE.
9316         (arm_file_start): Set float-abi attribute for NEON.
9317         (arm_vector_mode_supported_p): Enable NEON vector modes.
9318         (arm_mangle_map_entry): New.
9319         (arm_mangle_map): New.
9320         (arm_mangle_vector_type): New.
9321         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__
9322         when appropriate.
9323         (TARGET_NEON): New macro. Target supports NEON.
9324         (fputype): Add FPUTYPE_NEON.
9325         (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used
9326         for vectorization based on command-line arg.
9327         (NEON_REGNO_OK_FOR_NREGS): Define.
9328         (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE)
9329         (VALID_NEON_STRUCT_MODE): Define.
9330         (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation.
9331         (arm_builtins): Add ARM_BUILTIN_NEON_BASE.
9332         * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec.
9333         (consttable_16): Add pattern for outputting 16-byte minipool
9334         entries.
9335         (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in
9336         vec-common.md).
9337         (vec-common.md, neon.md): Include md files.
9338         * config/arm/arm.opt (mvectorize-with-neon-quad): Add option.
9339         * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define.
9340         (memory_constraint "Ut", "Un", "Us"): Define.
9341         * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros.
9342         (MMX_char): New mode attribute.
9343         (addv8qi3, addv4hi3, addv2si3): Remove. Replace with...
9344         (*add<mode>3_iwmmxt): New insn pattern.
9345         (subv8qi3, subv4hi3, subv2si3): Remove. Replace with...
9346         (*sub<mode>3_iwmmxt): New insn pattern.
9347         (mulv4hi3): Rename to...
9348         (*mulv4hi3_iwmmxt): This.
9349         (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3)
9350         (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3)
9351         (uminv4hi3, uminv2si3): Remove. Replace with...
9352         (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt)
9353         (*umin<mode>3_iwmmxt): These.
9354         (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with...
9355         (ashr<mode>3_iwmmxt): This new pattern.
9356         (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with...
9357         (lshr<mode>3_iwmmxt): This new pattern.
9358         (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with...
9359         (ashl<mode>3_iwmmxt): This new pattern.
9360         * config/arm/neon-docgen.ml: New file. Generate documentation for
9361         intrinsics.
9362         * config/arm/neon-gen.ml: New file. Generate arm_neon.h header.
9363         * config/arm/arm_neon.h: New (autogenerated).
9364         * config/arm/neon-testgen.ml: New file. Generate NEON tests
9365         automatically.
9366         * config/arm/neon.md: New file. Define NEON instructions.
9367         * config/arm/neon.ml: New file. Abstract description of NEON
9368         instructions, used to generate arm_neon.h header, documentation and
9369         tests.
9370         * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md.
9371         * vec-common.md: New file. Shared parts for iWMMXt and NEON vector
9372         support.
9373         * doc/extend.texi (ARM Built-in Functions): Rename and remove
9374         extraneous comma.
9375         (ARM NEON Intrinsics): New subsection.
9376         * doc/arm-neon-intrinsics.texi: New (autogenerated).
9377
9378 2007-07-25  Danny Smith   <dannysmith@users.sourceforge.net>
9379
9380         * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove
9381         prototype.
9382
9383 2007-07-24  Jan Hubicka  <jh@suse.cz>
9384
9385         * regclass.c (move_table): New type.
9386         (move_cost, may_move_in_cost, may_move_out_cost): Use it.
9387         (init_move_cost): Break out from ...
9388         (init_reg_sets_1): ... here; simplify computation of
9389         have_regs-of_mode and contains_reg_of_mode.
9390         (record_reg_classes): Unswitch internal loops.
9391         (copy_cost): Trigger lazy initialization of move cost
9392         (record_address_regs): Likewise.
9393
9394 2007-07-24  Daniel Berlin  <dberlin@dberlin.org>
9395
9396         * config/darwin.c (darwin_override_options): Don't force on
9397         flag_var_tracking_uninit when no debug info is requested.
9398
9399 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
9400
9401         * cfgloop.c (init_loops_structure): New function.
9402         (flow_loops_find): Create root of the loop tree unconditionally.
9403
9404 2007-07-24  Daniel Jacobowitz  <dan@codesourcery.com>
9405
9406         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.
9407
9408 2007-07-24  Jan Hubicka  <jh@suse.cz>
9409
9410         * caller-save.c: Include ggc.h, gt-caller-save.h
9411         (reg_save_code, reg_restore_code): Rename to ...
9412         (cached_reg_save_code, cached_reg_restore_code): ... those.
9413         (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New.
9414         (reg_save_code, reg_restore_code): New functions.
9415         (init_caller_save): Do not intialize
9416         reg_save_code/reg_restore_code tables.
9417         * Makefile.in: (gt-caller-save.h): New.
9418
9419 2007-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9420
9421         * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand
9422         with the mode of the original operand instead of
9423         integer_one_node.
9424
9425 2007-07-23  Jan Hubicka  <jH@suse.cz>
9426
9427         * i386.c (ix86_secondary_memory_needed): Break out to...
9428         (inline_secondary_memory_needed): ... here.
9429         (ix86_memory_move_cost): Break out to ...
9430         (inline_memory_move_cost): ... here; add support for IN value of 2 for
9431         maximum of input and output; fix handling of Q_REGS on 64bit.
9432         (ix86_secondary_memory_needed): Microoptimize.
9433
9434 2007-07-23  Sebastian Pop  <sebpop@gmail.com>
9435
9436         * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
9437         create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
9438         stmts_from_loop, known_dependences_p, build_rdg): New.
9439         * tree-data-ref.h: Depends on graphds.h.
9440         (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
9441         (build_rdg): Declared.
9442         * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
9443
9444 2007-07-23  Daniel Berlin  <dberlin@dberlin.org>
9445
9446         * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
9447         ccp_min_invariant.
9448
9449 2007-07-23  Peter Bergner  <bergner@vnet.ibm.com>
9450             Jakub Jelinek  <jakub@redhat.com>
9451
9452         PR middle-end/PR28690
9453         * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow
9454         EQ compares.
9455         * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
9456         and MEM_POINTER operands over REG and MEM operands.
9457         (swap_commutative_operands_p): Change return value to bool.
9458         * rtl.h: Update the corresponding prototype.
9459         * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
9460         instead of gen_rtx_PLUS.
9461         * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
9462         value to bool.  Change function arguments to rtx's and update code
9463         to match.
9464         (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
9465         calls to match the new declaration.
9466         * simplify-rtx.c (simplify_associative_operation): Don't
9467         reorder simplify_binary_operation arguments.
9468
9469 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9470
9471         * config/mips/mips.c (override_options): Use mips_costs to derive
9472         the default branch cost.
9473         * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
9474         than mips_costs.
9475         * config/mips/mips.opt (mbranch-cost=): New option.
9476         * doc/invoke.texi (-mbranch-cost): Document new MIPS option.
9477
9478 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9479
9480         * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
9481         (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
9482         * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
9483         instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
9484
9485 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9486
9487         * config/mips/constraints.md (ks): New constraint.
9488         * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
9489         (*add<mode>3_mips16): ...here.
9490
9491 2007-07-21  Uros Bizjak  <ubizjak@gmail.com>
9492
9493         * optabs.h (enum optab_index): Add new OTI_signbit.
9494         (signbit_optab): Define corresponding macro.
9495         (enum insn_code signbit_optab[]): Remove array.
9496         * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
9497         (expand_copysign_absneg): If back end provides signbit insn, use it
9498         instead of bit operations on floating point argument.
9499         * builtins.c (enum insn_code signbit_optab[]): Remove array.
9500         (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code
9501         for availability of signbit insn.
9502
9503         * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
9504         signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
9505         SSE mode is not active.
9506         (isinf<mode>2): Disable for mfpmath=sse,387.
9507
9508 2007-07-22  Ben Elliston  <bje@au.ibm.com>
9509
9510         * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
9511         `class' parameter.
9512         * struct-equiv.c (note_local_live): Likewise for `y_regno'.
9513
9514 2007-07-20  Richard Guenther  <rguenther@suse.de>
9515
9516         * tree-cfg.c (verify_expr): COND_EXPRs can have any
9517         integral typed condition.
9518         * tree-ssa.c (useless_type_conversion_p): Do not preserve
9519         booleanness.  Only preserve conversions from a non-base
9520         type to a base type, not in general between types with
9521         different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
9522         * tree.def (COND_EXPR): Document that the condition
9523         can be of any integral type.
9524
9525 2007-07-20  Nigel Stephens  <nigel@mips.com>
9526             Richard Sandiford  <richard@codesourcery.com>
9527
9528         * config/mips/mips.h (mips_dwarf_regno): Declare.
9529         (DBX_REGISTER_NUMBER): Remove redundant brackets.
9530         (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
9531         (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
9532         (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
9533         (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
9534         (REG_CLASS_NAMES): Update accordingly.
9535         * config/mips/mips.c (mips_dwarf_regno): New array.
9536         (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
9537         (mips_subword): Remove special handling for accumulator registers.
9538         (override_options): Initiailize mips_dwarf_regno.  Remove use
9539         of ACC_HI_REG_P.
9540         (mips_swap_registers): New function.
9541         (mips_conditional_register_usage): Swap accumulator registers
9542         around if TARGET_LITTLE_ENDIAN.
9543         (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
9544         * config/mips/constraints.md (h, l): Use the endianness to choose
9545         between MD0_REG and MD1_REG.
9546         * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
9547         alternative-dependent template.
9548
9549 2007-07-20  Richard Sandiford  <richard@codesourcery.com>
9550
9551         * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
9552         no_new_pseudos.
9553
9554 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9555
9556         * function.c (thread_prologue_and_epilogue_insns): Fix exit
9557         predecessor fallthru flags.
9558
9559 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9560
9561         * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
9562         of compare to the same type.
9563         * cfgloopmanip.c (add_loop): Update information about loop exits.
9564         (loop_version): Remove the innermost loop requirement.
9565         * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
9566         to sizetype for pointers.
9567
9568 2007-07-18  H.J. Lu  <hongjiu.lu@intel.com>
9569
9570         * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
9571         (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
9572         (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
9573
9574         * config/dfp-bit.c: Empty for TFmode conversions.
9575
9576 2007-07-18  Caroline Tice  <ctice@apple.com>
9577
9578         * var-tracking.c (find_src_status): Check for  COND_EXEC insns
9579         and handle them correctly; check that src is not NULL before
9580         trying to use it.
9581         (find_src_set_src): Likewise.
9582
9583 2007-07-18  Bob Wilson  <bob.wilson@acm.org>
9584
9585         * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
9586         (struct alignment_context, init_alignment_context): New.
9587         (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
9588         * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
9589         (XCHAL_HAVE_S32C1I): Likewise.
9590         (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
9591         * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
9592         (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
9593         (ATOMIC, HQI): New macros.
9594         (memory_barrier, *memory_barrier): New.
9595         (sync_lock_releasesi): New.
9596         (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
9597         (sync_lock_test_and_set<mode>): New.
9598         (sync_<atomic><mode>): New.
9599         (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
9600         * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
9601         (xtensa_expand_atomic): New.
9602
9603 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9604
9605         PR target/30652
9606
9607         * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
9608         transformation for builtin ISNORMAL.
9609         (expand_builtin): Handle BUILT_IN_ISNORMAL.
9610         * builtins.def (BUILT_IN_ISNORMAL): New.
9611         * doc/extend.texi: Document isnormal.
9612
9613 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9614
9615         PR target/30652
9616
9617         * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
9618         optabs infrastructure.  Provide generic implementation for
9619         FINITE/ISFINITE.
9620         (expand_builtin): Handle FINITE/ISFINITE.
9621         (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
9622         (fold_builtin_1): Likewise.
9623
9624         * builtins.def (BUILT_IN_ISFINITE): New.
9625
9626         * doc/extend.texi: Document isfinite.
9627
9628 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9629
9630         PR target/30652
9631         PR middle-end/20558
9632
9633         * builtins.c (expand_builtin_interclass_mathfn): Provide a
9634         generic fallback for isinf.
9635         * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
9636         calculation code ...
9637         * real.c (get_max_float): ... to here.
9638         * real.h (get_max_float): New.
9639
9640 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9641
9642         PR middle-end/32668
9643
9644         * builtin-attrs.def (ATTR_TYPEGENERIC,
9645         ATTR_CONST_NOTHROW_TYPEGENERIC): New.
9646
9647         * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
9648         BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
9649         BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
9650         BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
9651
9652         * c-common.c (handle_type_generic_attribute): New.
9653         (c_common_attribute_table): Add "type generic".
9654
9655         * c-typeck.c (convert_arguments): Handle "type generic" functions.
9656
9657 2007-07-18  Daniel Berlin  <dberlin@dberlin.org>
9658
9659         * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
9660         * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
9661         properly.
9662
9663 2007-07-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
9664
9665         PR target/32808
9666         * config/cris/cris.c (cris_print_index): Don't use XEXP before
9667         checking that the operand is an expression.
9668
9669 2007-07-19  Christoph von Wittich  <Christoph_vW@reactos.org>
9670             Danny Smith  <dannysmith@users.sourceforge.net>
9671
9672         PR/other 30335
9673         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
9674         file mapping object in local namespace if Windows version later
9675         than NT4
9676
9677 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9678
9679         * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
9680         * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
9681         arm_cannot_force_const_mem.
9682         (arm_cannot_force_const_mem): New function.
9683         * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
9684         (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
9685         of arm_tls_referenced_p.
9686         * config/arm/arm.md (movsi): Split out-of-section constants when
9687         ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
9688         * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
9689
9690 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9691
9692         * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
9693
9694 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9695
9696         * config/mips/mips.md (*extendqihi2): Convert the destination
9697         to SImode.
9698
9699 2007-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9700
9701         * config/pa/fptr.c: Update license header.
9702         * config/pa/milli64.S: Likewise.
9703
9704 2007-07-17  Nick Clifton  <nickc@redhat.com>
9705
9706         * COPYING_v3: New file.  Contains version 3 of the GNU General
9707         Public License.
9708         * COPYING.LIB_v3: New file.  Contains version 3 of the GNU
9709         Lesser General Public License.
9710         * doc/include/gpl_v3.texi: New file.  Contains version 3 of
9711         the GNU General Public License.
9712
9713 2007-07-17  Zdenek Dvorak  <dvorakz@suse.cz>
9714
9715         PR rtl-optimization/32773
9716         * cfglayout.c (force_one_exit_fallthru): New function.
9717         (cfg_layout_finalize): Use it.
9718
9719 2007-07-16  Richard Guenther  <rguenther@suse.de>
9720             Uros Bizjak  <ubizjak@gmail.com>
9721
9722         * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
9723         before forcing it to gimple operand.
9724
9725 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9726             David Ung  <davidu@mips.com>
9727
9728         * config/mips/mips.h (TUNE_24K): Define.
9729         (TUNE_MACC_CHAINS): Add TUNE_24K.
9730         * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
9731         imadd.
9732         * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
9733         (r74k_int_madd): .. this new reservation.
9734         (define_bypass): Fixed bypasses for r74k_int_madd to use
9735         mips_linked_madd_p.
9736         * config/mips/24k.md (define_bypass): Define new
9737         r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
9738
9739 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9740             Nigel Stephens  <nigel@mips.com>
9741
9742         * config/mips/mips.md: Include 20kc.md.
9743         * config/mips/20kc.md: New file.
9744         * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
9745         (mips_adjust_cost): Tweak for 20Kc.
9746         (mips_issue_rate): Likewise.
9747         * config/mips/mips.h (TUNE_20KC): Define.
9748
9749 2007-07-16  David Edelsohn  <edelsohn@gnu.og>
9750
9751         * config/rs6000/rs6000.c (struct processor_cost): Add
9752         cache_line_size, l1_cache_lines, and simultaneous_prefetches
9753         fields.
9754         (*_cost): Add cache information.
9755         (rs6000_override_options): Set cache parameters.
9756
9757 2007-07-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9758
9759         PR bootstrap/3456
9760         * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
9761         * doc/install.texi (mips-sgi-irix6): pthread support works now.
9762
9763 2007-07-16  Paul Brook  <paul@codesourcery.com>
9764
9765         PR target/32753
9766         * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
9767         (cirrus_thumb2_movsi_insn): Ditto.
9768
9769 2007-07-15  Geoffrey Keating  <geoffk@apple.com>
9770
9771         * config/rs6000/darwin-fallback.c (interpret_libc): Change
9772         CR2_REGNO to R_CR2.
9773
9774 2007-07-15  Andrew Haley  <aph@redhat.com>
9775
9776         * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
9777         before looking in the context.
9778
9779 2007-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9780
9781         PR middle-end/32398
9782         PR middle-end/32769
9783         * pa-protos.h (pa_eh_return_handler_rtx): Declare.
9784         * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
9785         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
9786         (pa_output_function_prologue): Use rp_saved and
9787         current_function_is_leaf to generate .CALLINFO statement.
9788         (hppa_expand_prologue): Set rp_saved.
9789         (hppa_expand_epilogue): Use rp_saved.
9790         (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
9791         * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
9792
9793 2007-07-14  Dirk Mueller  <dmueller@suse.de>
9794
9795         * omega.c (coalesce): Fix memory leak on early exit.
9796         * matrix-reorg.c (check_allocation_function): Likewise.
9797         * tree-vect-transform.c (vect_get_new_vect_var): free result
9798         of concat().
9799         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9800         pass pointer to edge vector
9801         (partition_hot_cold_basic_blocks): Fix memory leak.
9802         * collect2.c (prefix_from_string): Free temporary storage.
9803         * reload1.c (fixup_abnormal_edges): Free sbitmap.
9804
9805 2007-07-14  Kaz Kojima  <kkojima@gcc.gnu.org>
9806
9807         * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
9808         (DO_GLOBAL_DTORS_BODY): Likewise.
9809
9810 2007-07-14  Sandra Loosemore  <sandra@codesourcery.com>
9811             Nigel Stephens  <nigel@mips.com>
9812
9813         * config/mips/mips.c (mips_classify_symbol): Don't return
9814         SYMBOL_SMALL_DATA for constant pool addresses if
9815         TARGET_EMBEDDED_DATA is true.
9816
9817 2007-07-14  Uros Bizjak  <ubizjak@gmail.com>
9818
9819         * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
9820         except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
9821         __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
9822         __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
9823         __builtin_ia32_storehps, __builtin_ia32_storelps,
9824         __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
9825         __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
9826         __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
9827         __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
9828         __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
9829         __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
9830         __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
9831         __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
9832         using def_builtin_const.
9833
9834 2007-07-14  Eric Botcazou  <ebotcazou@adacore.com>
9835
9836         PR tree-optimization/32705
9837         * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
9838         (simplify_binary_expression): Use SSA_VAL consistently.
9839
9840 2007-07-13  David Edelsohn  <edelsohn@gnu.org>
9841
9842         * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
9843         (SPEFSCR_REGNO): Delete definition.
9844         * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
9845         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9846         * config/rs6000/rs6000.h: Do not define *_REGNO.
9847         LINK_REGISTER_REGNUM -> LR_REGNO.
9848         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9849         * config/rs6000/predicates.md: LINK_REGISTER_REGNUM ->  LR_REGNO.
9850         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9851         * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
9852         R_VRSAVE, R_VSCR. Use them.
9853         * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
9854         R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR.  Use them.
9855         * config/rs6000/rs6000.md: Define REGNO constants.  Use them.
9856         * config/rs6000/aix.h: Define R_LR.  Use it.
9857
9858 2007-07-13  Caroline Tice  <ctice@apple.com>
9859
9860         * toplev.c (process_options): Turn flag_var_tracking_uninit off when
9861         flag_var_tracking is explicitly turned off (i.e. when variable
9862         tracking is not feasible); otherwise, turn flag_var_tracking on when
9863         flag_var_tracking_uninit is on.
9864         * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
9865         note definitions, to allow recording of initialization status in the
9866         notes.
9867         * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
9868         (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
9869         determine if two note locations are equal.
9870         (output_loc_list): Don't output list entries whose start & end labels
9871         are the same.
9872         (reg_loc_descriptor): Add parameter for initialization status; pass it
9873         to other loc descriptor functions.
9874         (one_reg_loc_descriptor): Add parameter for initialization status;
9875         check its value and add DW_OP_GNU_uninit to returned loc descr if
9876         appropriate.
9877         (multiple_reg_loc_descriptor): Add parameter for initialization
9878         status;
9879         pass init status argument to other loc descriptor functions; check
9880         value of intialization parameter and add DW_OP_GNU_uninit to returned
9881         loc descr if appropriate.
9882         (based_loc_descr): Add parameter for initialization status; add new
9883         variable for return value; check value of initialization parameter and
9884         add DW_OP_GNU_uninit to returned loc descr if appropriate.
9885         (concatn_mem_loc_descriptor): Add parameter for initialization status;
9886         pass init status argument to other loc descriptor functions; check
9887         value of intialization parameter and add DW_OP_GNU_uninit to returned
9888         loc descr if appropriate.
9889         (mem_loc_descriptor): Likewise.
9890         (concat_loc_descriptor): Likewise.
9891         (concatn_loc_descriptor): Likewise.
9892         (loc_descriptor): Add parameter for initialization status; pass it as
9893         argument to other loc descriptor function calls.
9894         (loc_descriptor_from_tree_1): Add appropriate initialization status
9895         to loc descriptor function calls.
9896         (add_location_or_const_value_attribute): Get initialization status
9897         from VAR_LOCATION note; add initialization status to loc descriptor
9898         function calls.
9899         * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
9900         * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
9901         status is uninitialized, add "[uninint]" to output.
9902         * common.opt (fvar-tracking-uninit): New option, similar to
9903         fvar-tracking, to turn on tracking of uninitialized variables; creates
9904         a new global flag, flag_var_tracking_uninit.
9905         * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
9906         (enum var_init_status): New type, for var initialization status field.
9907         * var-tracking.c (struct location_chain_def): Two new fields, init,
9908         for initialization status, and set_src for the assignment value expr.
9909         (unshare_variable): New parameter for initialization status;
9910         initialize new init and set_src fields.
9911         (var_reg_set): New parameters for initialization status and value;
9912         pass them to set_variable_part.
9913         (var_mem_set): Likewise.
9914         (get_init_value): New function.
9915         (var_reg_delete_and_set): New initialization status & value
9916         parameters; add call to get_init_value if status is unknown; pass new
9917         parameters to clobber_variable_part and var_reg_set.
9918         (var_mem_delete_and_set): Likewise.
9919         (var_reg_delete): Pass null set_src value to clobber_variable_part.
9920         (var_mem_delete): Likewise.
9921         (variable_union): Pass status to unshare_variable; initialize new init
9922         and set_src fields. If flag_var_tracking_uninit is not set, force
9923         status to initialized.
9924         (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
9925         used later to get the set_src value.
9926         (find_src_status): New function.
9927         (find_src_set_src): New function.
9928         (compute_bb_dataflow): Pass init status to calls to var_reg_set,
9929         var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
9930         MO_SET, get set_src value and pass it to var_reg_delete_and_set
9931         and var_mem_delete_and_set.
9932         (dump_variable): Print out "[uninit]" if appropriate.
9933         (set_variable_part): Add new initialization and set_src parameters;
9934         pass status to unshare_variable; set node->init and node- >set_src
9935         fields and modify slot in hash table appropriately; save the init and
9936         set_src values if appropriate and assign to the new node.
9937         (clobber_variable_part): New set_src parameter; if two nodes have
9938         same variable and same location but different set_src (assignment)
9939         values, clobber old node.
9940         (delete_variable_part): Pass init status to unshare_variable.
9941         (emit_note_insn_var_location): Add initialized var; assign var's init
9942         status to new 'initialized'; pass new init status field to calls to
9943         gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
9944         status to initialized.
9945         (emit_notes_in_bb): Pass initialization status to calls to
9946         var_reg_set, var_mem_set, var_reg_delete_and_set and
9947         var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
9948         var_reg_delete_and_set and var_mem_delete_and_set; call
9949         emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
9950         make up for change in add_stores.
9951         (vt_add_function_parameters): Add status to calls to
9952         set_variable_part.
9953         * config/darwin.c (darwin_override_options): Turn on uninitialized
9954         tracking automatically, if var_tracking is on and the system is
9955         10.5 or higher.
9956
9957 2007-07-13  Sa Liu  <saliu@de.ibm.com>
9958
9959         * config.gcc: Add options for arch and tune on SPU.
9960         * config/spu/predicates.md: Add constant operands 0 and 1.
9961         * config/spu/spu-builtins.def: Add builtins for double precision
9962         floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt,
9963         si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
9964         spu_testsv.
9965         * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with
9966         a CELLEDP target.
9967         * config/spu/spu-protos.h: Add new function prototypes.
9968         * config/spu/spu.c (spu_override_options): Check options -march and
9969         -mtune.
9970         (spu_comp_icode): Add comparison code for DFmode and vector mode.
9971         (spu_emit_branch_or_set): Use the new code for DFmode and vector
9972         mode comparison.
9973         (spu_const_from_int): New.  Create a vector constant from 4 ints.
9974         (get_vec_cmp_insn): New.  Get insn index of vector compare instruction.
9975         (spu_emit_vector_compare): New.  Emit vector compare.
9976         (spu_emit_vector_cond_expr): New.  Emit vector conditional expression.
9977         * config/spu/spu.h: Add options -march and -mtune.  Define processor
9978         types PROCESSOR_CELL and PROCESSOR_CELLEDP.  Define macro
9979         CANONICALIZE_COMPARISON.
9980         * config/spu/spu.md: Add new insns for double precision compare
9981         and double precision vector compare.  Add vcond and smax/smin patterns
9982         to enable DFmode vector conditional expression.
9983         * config/spu/spu.opt: Add options -march and -mtune.
9984         * config/spu/spu_internals.h: Add builtins for CELLEDP target:
9985         si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv.  Add builtin for
9986         both CELL and CELLEDP targets: spu_testsv.
9987         * config/spu/spu_intrinsics.h: Add flag mnemonics for test special
9988         values.
9989
9990 2007-07-13  Richard Guenther  <rguenther@suse.de>
9991
9992         PR tree-optimization/32721
9993         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
9994         TREE_THIS_VOLATILE on the folded reference.
9995         * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
9996         if the array reference has TREE_THIS_VOLATILE set.
9997
9998 2007-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9999
10000         PR other/32188
10001         * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
10002
10003 2007-07-13  Andreas Schwab  <schwab@suse.de>
10004
10005         * gengtype-lex.l: Allow declarations to be indented.
10006
10007 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
10008
10009         * ginclude/tgmath.h: New.
10010         * config.gcc: Use GCC's tgmath.h on non-glibc systems.
10011         * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
10012         * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
10013         * configure: Regenerate.
10014
10015 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
10016
10017         * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
10018         correct index when setting register save state for xd
10019         registers.
10020
10021 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
10022
10023         * config/sh/sh.c (mark_use): Remove.
10024
10025 2007-07-12  Paul Brook  <paul@codesourcery.com>
10026
10027         * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
10028         reg does not overlap return value.
10029
10030 2007-07-12  Daniel Berlin  <dberlin@dberlin.org>
10031
10032         * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
10033         (set_expression_vuses): Ditto.
10034         (init_pre): Initialize expression_vuses.
10035
10036 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10037
10038         * config/i386/sse.md (storentdf, storentsf): New.
10039
10040 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
10041
10042         * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
10043         FUNCTION_DECL.
10044         * tree.c (build_decl_stat): Move code from here...
10045         (make_node_stat): ... to here.  Don't uselessly clear DECL_USER_ALIGN.
10046         (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL.  Add comment
10047         about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
10048         * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
10049         * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
10050         FUNCTION_BOUNDARY.
10051
10052 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
10053             Devang Patel  <dpatel@apple.com>
10054
10055         PR tree-optimization/25413
10056         * targhooks.c (default_builtin_vector_alignment_reachable): New.
10057         * targhooks.h (default_builtin_vector_alignment_reachable): New.
10058         * tree.h (contains_packed_reference): New.
10059         * expr.c (contains_packed_reference): New.
10060         * tree-vect-analyze.c (vector_alignment_reachable_p): New.
10061         (vect_enhance_data_refs_alignment): Call
10062         vector_alignment_reachable_p.
10063         * target.h (vector_alignment_reachable): New builtin.
10064         * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
10065         * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
10066         (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
10067
10068 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
10069
10070         * target.h (builtin_vectorization_cost): Add new target builtin.
10071         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
10072         * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
10073         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
10074         * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
10075         uninitialized variables.
10076         * tree-vect-transform.c (cost_for_stmt): New function.
10077         (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
10078         using cost 1 for all scalar stmts. Be less conservative when
10079         estimating the number of prologue/epulogue iterations. Call
10080         targetm.vectorize.builtin_vectorization_cost. Return
10081         min_profitable_iters-1.
10082         (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
10083         initialization cost instead of TARG_VEC_STMT_COST. Use
10084         TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
10085         epilogue code. Fix epilogue cost computation.
10086         * config/spu/spu.c (spu_builtin_vectorization_cost): New.
10087         (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
10088         * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
10089         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
10090         (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
10091         (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
10092
10093 2007-07-12  Richard Guenther  <rguenther@suse.de>
10094
10095         * gimplify.c (gimplify_conversion): Make sure that the result
10096         from maybe_fold_offset_to_reference is trivially convertible
10097         to the desired type before doing the simplification.
10098         (gimplify_expr): Likewise.
10099         * fold-const.c (fold_binary): Use the correct types for
10100         building the simplified expression.
10101
10102 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10103
10104         PR rtl-optimization/32729
10105         * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
10106         that fallthru to exit.
10107
10108 2007-07-12  Kaz Kojima  <kkojima@gcc.gnu.org>
10109
10110         * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
10111         (symDTPOFF2reg): Likewise.
10112
10113 2007-07-11  Daniel Berlin  <dberlin@dberlin.org>
10114
10115         PR tree-optimization/32663
10116
10117         * tree.h (VALUE_HANDLE_VUSES): Remove.
10118         (struct tree_value_handle): Remove vuses.
10119
10120         * tree-vn.c (create_value_handle_for_expr): Don't set
10121         VALUE_HANDLE_VUSES.
10122
10123         * tree-ssa-pre.c (expression_vuses): New.
10124         (alloc_expression_id): Set up expression_vuses.
10125         (get_expression_vuses): New.
10126         (set_expression_vuses): Ditto.
10127         (clear_expression_ids): Modify for expression_vuses.
10128         (phi_translate_1): Ditto.
10129         (phi_translate_set): Ditto.
10130         (value_dies_in_block_x): Ditto
10131         (valid_in_sets): Ditto.
10132         (add_to_sets): Ditto.
10133         (find_existing_value_expr): Ditto.
10134         (create_value_handle_for_expr): Ditto.
10135         (make_values_for_stmt): Ditto.
10136         (vuse_equiv): Remove.
10137
10138 2007-07-11  Alexandre Oliva  <aoliva@redhat.com>
10139
10140         * Makefile.in (mostlyclean): Remove object files.
10141
10142 2007-07-11  Kenneth Zadeck <zadeck@naturalbridge.com>
10143
10144         * toplev.c (no_new_pseudos): Deleted.
10145         * rtl.h (no_new_pseudos): Deleted.
10146         * tree-pass.h (pass_no_new_pseudos): Deleted.
10147         * passes.c (pass_no_new_pseudos): Deleted.
10148         * final.c (rest_of_clean_state): Removed no_new_pseudos.
10149         (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
10150         * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with
10151         reload_completed.
10152         * cfgcleanup.c (try_crossjump_to_edge): Ditto.
10153         * rtlhooks.c (gen_lowpart_general): Ditto.
10154         * optabs.c (prepare_operand): Ditto.
10155         * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
10156         no_new_pseudos.
10157         * modulo-sched.c (rest_of_handle_sms): Ditto.
10158         * see.c (rest_of_handle_see): Ditto.
10159         * ifcvt.c (if_convert): Ditto.
10160         (gate_handle_if_after_combine): Replaced no_new_pseudos with
10161         reload_completed.
10162         * init-regs.c (gate_initialize_regs): Deleted set of
10163         no_new_pseudos.
10164         * lower-subreg.c (decompose_multiword_subregs): Ditto.
10165         * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
10166         * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
10167
10168 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
10169
10170         PR target/32661
10171         * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
10172         (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
10173         (*vec_extractv2di_1_rex64): New insn pattern.
10174
10175 2007-07-11  David Daney  <ddaney@avtrex.com>
10176
10177         * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
10178         return address calculation.  Substitute DWARF_ALT_FRAME_RETURN_COLUMN
10179         for SIGNAL_UNWIND_RETURN_COLUMN.
10180         * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
10181         (DWARF_FRAME_REGNUM): Rewrite.
10182         (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
10183
10184 2007-07-11  Nick Clifton  <nickc@redhat.com>
10185
10186         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
10187         delta and use gen_int_mode in place of GET_INT instead.
10188
10189 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
10190
10191         * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
10192         and letter field.
10193
10194 2007-07-11  Douglas Gregor  <doug.gregor@gmail.com>
10195
10196         * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
10197         (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical
10198         types or not.
10199         * params.h (VERIFY_CANONICAL_TYPES): Remove.
10200         (USE_CANONICAL_TYPES): New.
10201         * doc/invoke.texi (verify-canonical-types): Remove.
10202         (use-canonical-types): Add.
10203
10204 2007-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
10205
10206         * config/spu/spu.c (spu_optimization_options): Remove setting of
10207         parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
10208         (spu_override_options): Move it here.
10209
10210 2007-07-11  Richard Sandiford  <richard@codesourcery.com>
10211
10212         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
10213         * config/mips/mips.c (mips_cpu_info_table): Mention
10214         MIPS_ISA_LEVEL_SPEC in the comment.
10215
10216 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
10217
10218         PR tree-optimization/32713
10219         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
10220
10221 2007-07-11  Paolo Carlini  <pcarlini@suse.de>
10222
10223         PR middle-end/30482
10224         * c-opts.c (c_common_post_options): Do not change flag_complex_method
10225         conditional to flag_isoc99.
10226         (c_common_init_options): Do it here, unconditionally.
10227
10228 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
10229
10230         PR tree-optimization/32589
10231         * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
10232         * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
10233         * tree-ssa-propagate.c (valid_gimple_expression_p): New
10234         predicate, extracted from...
10235         (set_rhs): ...here.  Call it for the expression on entry.
10236         * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
10237         * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
10238         (simplify_binary_expression): Use valid_gimple_expression_p
10239         to validate the simplification.
10240         * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
10241
10242 2007-07-11  Danny Smith  <dannysmith@users.sourceforge.net>
10243
10244         * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
10245         DWARF2_DEBUG on 32 bit target too.
10246         (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition.
10247
10248 2007-07-11  Nick Clifton  <nickc@redhat.com>
10249
10250         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
10251         version for 64-bit hosts.
10252
10253 2007-07-10  David Daney  <ddaney@avtrex.com>
10254
10255         * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
10256         predicate.
10257         (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of  library
10258         call.
10259         * config/mips/mips.c (mips_expand_synci_loop): New function.
10260         * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
10261         (UNSPEC_RDHWR): Same.
10262         (UNSPEC_SYNCI): Same.
10263         (UNSPEC_SYNC): Same.
10264         (clear_cache): New expand.
10265         (sync): New insn.
10266         (synci): Same.
10267         (rdhwr): Same.
10268         (clear_hazard): Same.
10269         * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
10270         function.
10271         * testsuite/gcc.target/mips/clear-cache-1.c: New test.
10272         * testsuite/gcc.target/mips/clear-cache-2.c: New test.
10273
10274 2007-07-10  Ian Lance Taylor  <iant@google.com>
10275
10276         * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
10277         no_new_pseudos.
10278
10279 2007-07-10  David Daney  <ddaney@avtrex.com>
10280
10281         * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
10282         * builtins.c (expand_builtin___clear_cache): New function.
10283         (expand_builtin): Call expand_builtin___clear_cache for
10284         BUILT_IN_CLEAR_CACHE case.
10285         * doc/extend.texi (__builtin___clear_cache): Document new builtin.
10286         * doc/md.texi (clear_cache): Document new instruction pattern.
10287         * testsuite/gcc.dg/builtins-64.c: New test.
10288
10289 2007-07-11  Hans-Peter Nilsson  <hp@axis.com>
10290
10291         * config/cris/cris.md ("movsi"): Fix typo in last change.
10292
10293 2007-07-09  Geoffrey Keating  <geoffk@apple.com>
10294
10295         PR 32617
10296         * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
10297         FUNCTION_DECLs.
10298         (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
10299         * varasm.c (assemble_start_function): Honor DECL_ALIGN
10300         for FUNCTION_DECLs.  Don't use align_functions_log if
10301         DECL_USER_ALIGN.
10302         * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
10303         even for FUNCTION_DECLs.
10304         * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
10305         FUNCTION_DECLs.
10306         * tree.h (DECL_ALIGN): Update for new location of 'align'.
10307         (DECL_FUNCTION_CODE): Update for new location and name of
10308         'function_code'.
10309         (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
10310         (struct tree_decl_common): Move 'align' and 'off_align' out
10311         of union, ensure they're still on a 32-bit boundary.  Remove
10312         other fields in union 'u1'.
10313         (struct tree_function_decl): Add field 'function_code' replacing
10314         'u1.f' in tree_decl_common.
10315         * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
10316         * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
10317         (Variable Attributes): Cross-reference 'aligned' attribute
10318         to Function Attributes.
10319         * flags.h (force_align_functions_log): Delete.
10320         * toplev.c (force_align_functions_log): Delete.
10321
10322 2007-07-10  Uros Bizjak  <ubizjak@gmail.com>
10323
10324         PR target/32708
10325         * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
10326         (*vec_concatv2di_rex): New insn pattern.
10327
10328 2007-07-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10329
10330         PR target/32538
10331         * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
10332
10333 2007-07-10  Ian Lance Taylor  <iant@google.com>
10334
10335         Replace no_new_pseudos in backends.
10336         * rtl.h (can_create_pseudo_p): Define.
10337         * config/darwin.c (machopic_indirect_data_reference): Use
10338         can_create_pseudo_p () instead of no_new_pseudos.
10339         (machopic_indirect_data_reference): Likewise.
10340         (machopic_legitimize_pic_address): Likewise.
10341         * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
10342         (alpha_emit_set_const_1): Likewise.
10343         (alpha_emit_set_const): Likewise.
10344         (alpha_emit_conditional_move): Likewise.
10345         (alpha_split_conditional_move): Likewise.
10346         * config/alpha/alpha.md (various splitters): Likewise.
10347         (movti): Likewise.
10348         * config/arm/arm.c (legitimize_pic_address): Likewise.
10349         (arm_load_pic_register): Likewise.
10350         * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
10351         (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
10352         * config/bfin/bfin.c (legitimize_pic_address): Likewise.
10353         * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
10354         * config/cris/cris.md (movsi): Likewise.
10355         * config/frv/frv.md (symGOT2reg_hilo): Likewise.
10356         (symGOTOFF2reg_hilo): Likewise.
10357         (symGPREL2reg, symGPREL2reg_hilo): Likewise.
10358         * config/h8300/h8300.md (insv, extzv): Likewise.
10359         * config/i386/i386.c (ix86_expand_move): Likewise.
10360         (ix86_expand_vector_move): Likewise.
10361         (ix86_prepare_fp_compare_args): Likewise.
10362         (ix86_expand_carry_flag_compare): Likewise.
10363         * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
10364         (tls_dynamic_gnu2_combine_32): Likewise.
10365         (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
10366         * config/ia64/ia64.c (ia64_expand_move): Likewise.
10367         (ia64_expand_movxf_movrf): Likewise.
10368         * config/m32c/m32c.c (m32c_prepare_move): Likewise.
10369         (m32c_split_move): Likewise.
10370         (m32c_expand_insv): Likewise.
10371         * config/m68k/m68k.md (movsi): Likewise.
10372         * config/mips/mips.c (mips_force_temporary): Likewise.
10373         (mips_split_symbol): Likewise.
10374         (mips_move_integer): Likewise.
10375         (mips_legitimize_const_move): Likewise.
10376         * config/mn10300/mn10300.md (movsi): Likewise.
10377         * config/pa/pa.c (emit_move_sequence): Likewise.
10378         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
10379         (rs6000_got_register): Likewise.
10380         (create_TOC_reference): Likewise.
10381         (rs6000_machopic_legitimize_pic_address): Likewise.
10382         * config/rs6000/rs6000.md (add<mode>3): Likewise.
10383         (various splitters): Likewise.
10384         (iorsi3, xorsi3, iordi3, xordi3): Likewise.
10385         (movsi_got): Likewise.
10386         * config/s390/s390.c (emit_symbolic_move): Likewise.
10387         * config/s390/s390.md (movhi, movqi): Likewise.
10388         (load_multiple, store_multiple): Likewise.
10389         * config/score/score.c (score_force_temporary): Likewise.
10390         * config/sh/sh.c (prepare_move_operands): Likewise.
10391         (prepare_cbranch_operands): Likewise.
10392         (emit_fpu_switch): Likewise.
10393         (fpscr_set_from_mem): Likewise.
10394         * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
10395         (adddi3, subsi3): Likewise.
10396         (various splitters): Likewise.
10397         (divsi_inv_fp_combine): Likewise.
10398         (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
10399         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
10400         (sne): Likewise.
10401         * config/sh/predicates.md (xor_operand): Likewise.
10402         * config/sparc/sparc.c (legitimize_tls_address): Likewise.
10403         * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
10404         (movdi_pic_label_ref): Likewise.
10405         * config/spu/spu.c (spu_split_immediate): Likewise.
10406         * config/alpha/alpha.md (various splitters): Remove test
10407         !no_new_pseudos || reload_completed.
10408         * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
10409         no_new_pseudos.
10410         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
10411         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
10412         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
10413         * config/score/score.c (th_output_mi_thunk): Likewise.
10414         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
10415         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
10416
10417 2007-07-10  Kaz Kojima  <kkojima@gcc.gnu.org>
10418
10419         PR rtl-optimization/32664
10420         * mode-switching.c (create_pre_exit): Skip barrier insns.
10421
10422 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
10423
10424         * tree-scalar-evolution.c (scev_const_prop): Add arguments to
10425         force_gimple_operand_bsi.
10426         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
10427         rewrite_use_compare): Ditto.
10428         * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
10429         Ditto.
10430         * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
10431         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
10432         * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
10433         * tree-profile.c (prepare_instrumented_value,
10434         tree_gen_interval_profiler, tree_gen_pow2_profiler,
10435         tree_gen_one_value_profiler, tree_gen_ic_profiler,
10436         tree_gen_ic_func_profiler, tree_gen_average_profiler,
10437         tree_gen_ior_profiler): Ditto.
10438         * tree-ssa-reassoc.c (negate_value): Ditto.
10439         * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
10440         Use force_gimple_operand_bsi.
10441         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
10442         * tree-if-conv.c (add_to_dst_predicate_list,
10443         find_phi_replacement_condition): Ditto.
10444         * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
10445         Call mark_symbols_for_renaming for new statements.
10446         * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
10447
10448 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
10449
10450         * cfghooks.c (remove_edge): New function.
10451         (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
10452         loop exit rescans.
10453         * cfghooks.h (remove_edge): Declare.
10454         * cfg.c (remove_edge): Renamed to remove_edge_raw.
10455         * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
10456
10457 2007-07-09  Wolfgang Gellerich  <gellerich@de.ibm.com>
10458
10459         * optabs.h: Added declaration for signbit_optab.
10460         * optabs.c: (init_optabs): Added initialization for signbit_optab.
10461         * genoptinit.c (optabs): Added entry for signbit insns.
10462         * builtins.c (expand_builtin_signbit): Added code to use a signbit
10463         insn, if available.
10464         * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.
10465         * config/s390/s390.md (signbit<mode>2): New expander.
10466
10467 2007-07-09  Richard Guenther  <rguenther@suse.de>
10468
10469         PR middle-end/32698
10470         * fold-const.c (fold_plusminus_mult_expr): Move constant
10471         arguments second to allow decomposing.
10472
10473 2007-07-09  Alexandre Oliva  <aoliva@oliva.athome.lsd.ic.unicamp.br>
10474
10475         Revert:
10476         2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10477         PR debug/23551
10478         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10479         Disregard DECL_FROM_INLINE.
10480
10481 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
10482
10483         PR target/27855
10484         * doc/invoke.texi: Add ftree-reassoc flag.
10485         * common.opt (ftree-reassoc): New flag.
10486         * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
10487         (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
10488
10489 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
10490
10491         PR tree-optimization/32681
10492         * tree-if-conv.c (find_phi_replacement_condition): Use the condition
10493         saved in second_edge->aux when first_bb is a loop header.
10494
10495 2007-07-09  Jan HUbicka  <jh@suse.cz>
10496
10497         * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
10498
10499 2007-07-09  Richard Guenther  <rguenther@suse.de>
10500
10501         * c-decl.c (start_function): Do not promote return type.
10502
10503 2007-07-08  Daniel Franke  <franke.daniel@gmail.com>
10504
10505         * function.c (do_warn_unused_parameter): Do not warn if
10506         TREE_NO_WARNING is set.
10507
10508 2007-07-08  Andreas Schwab  <schwab@suse.de>
10509
10510         * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
10511
10512 2007-07-08  Sandra Loosemore  <sandra@codesourcery.com>
10513
10514         Revert this patch:
10515         2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10516
10517         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10518         apply to assembly language, too.
10519         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10520
10521 2007-07-07  Daniel Berlin  <dberlin@dberlin.org>
10522
10523         Revert (note the sccvn portions are *not* reverted)
10524         2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10525
10526         Fix PR tree-optimization/23488
10527
10528         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10529         handles.
10530         * tree-flow-inline.h (get_value_handle): Ditto.
10531         * tree-ssa-pre.c (decl_vh_map): New.
10532         (decl_node_pool): New.
10533         (can_value_number_operation): Support DECL_P.
10534         (can_PRE_operation): Ditto.
10535         (create_expression_by_pieces): Ditto.
10536         (find_existing_value_expr): Modify to differnetiate between
10537         addressing and top level.
10538         (create_value_handle_for_expr): Handle DECL's.
10539         (poolify_tree): Ditto.
10540         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10541         (make_values_for_stmt): Handle DECL's properly.
10542         (init_pre): Reorg to not init useless things during FRE.
10543         (fini_pre): Ditto.
10544         * tree-flow.h: Include pointer-set.h.
10545         (decl_vh_map): Declare.
10546         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10547
10548 2007-07-07 Eric Weddington  <eweddington@cso.atmel.com>
10549
10550         * config/avr/constraints.md (define_memory_constraint "Q"): Fix
10551         the constraint description.
10552         * doc/md.texi: Update documentation of AVR constraints.
10553
10554 2007-07-07  Kazu Hirata  <kazu@codesourcery.com>
10555
10556         * auto-inc-dec.c, config/arm/arm.c,
10557         config/m32r/constraints.md, config/mips/mips.md,
10558         config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
10559         df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
10560         tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
10561         typos.  Follow spelling conventions.
10562         * doc/invoke.texi, doc/rtl.texi: Fix typos.
10563
10564         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
10565         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
10566
10567         * tree-ssa-operands.c (realloc_vop, realloc_vdef,
10568         realloc_vuse): Remove.
10569         * tree-ssa-operands.h: Remove the prototype for realloc_vdef
10570         and realloc_vuse.
10571
10572 2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10573
10574         Fix PR tree-optimization/23488
10575
10576         * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
10577         (try_to_simplify): Ditto.
10578         (visit_use): Ditto.
10579         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10580         handles.
10581         * tree-flow-inline.h (get_value_handle): Ditto.
10582         * tree-ssa-pre.c (decl_vh_map): New.
10583         (decl_node_pool): New.
10584         (can_value_number_operation): Support DECL_P.
10585         (can_PRE_operation): Ditto.
10586         (create_expression_by_pieces): Ditto.
10587         (find_existing_value_expr): Modify to differnetiate between
10588         addressing and top level.
10589         (create_value_handle_for_expr): Handle DECL's.
10590         (poolify_tree): Ditto.
10591         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10592         (make_values_for_stmt): Handle DECL's properly.
10593         (init_pre): Reorg to not init useless things during FRE.
10594         (fini_pre): Ditto.
10595         * tree-flow.h: Include pointer-set.h.
10596         (decl_vh_map): Declare.
10597         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10598
10599 2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10600
10601         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10602         apply to assembly language, too.
10603         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10604
10605 2007-07-06  Ian Lance Taylor  <iant@google.com>
10606             Zack Weinberg  <zackw@panix.com>
10607
10608         PR middle-end/32441
10609         * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
10610
10611 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10612
10613         * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
10614         (prefetch): Likewise if "pref" would be used.
10615
10616 2007-07-06  Josh Conner  <jconner@apple.com>
10617
10618         PR middle-end/32602
10619         PR middle-end/32603
10620         * calls.c (store_one_arg): Handle arguments which are partially
10621         on the stack when detecting argument overlap.
10622
10623 2007-07-06  Bernd Schmidt  <bernd.schmidt@analog.com>
10624
10625         * reload1.c (choose_reload_regs): Set reload_spill_index for regs
10626         chosen during find_reloads.
10627
10628 2007-07-06  Richard Guenther  <rguenther@suse.de>
10629
10630         * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
10631         TYPE_ARG_TYPES for verification of argument types.  Use
10632         DECL_ARG_TYPE instead of the PARM_DECL type.  Take excess
10633         parameters as variable arguments.
10634
10635 2007-07-06  Andreas Krebbel  <krebbel1@de.ibm.com>
10636
10637         * libgcc2.h (word_type): Type definition removed.
10638         (cmp_return_type, shift_count_type): Type definitions added.
10639         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10640         replaced with shift_count_type.
10641         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10642         cmp_return_type.
10643         * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
10644         changed from word_type to Wtype.
10645         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10646         replaced with shift_count_type.
10647         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10648         cmp_return_type.
10649         * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
10650         and libgcc_shift_count attribute added.
10651         * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
10652         TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
10653         (TARGET_INITIALIZER): New target hooks added.
10654         * targhooks.c (default_libgcc_cmp_return_mode,
10655         default_libgcc_shift_count_mode): Default implementations for the new
10656         target hooks added.
10657         * targhooks.h (default_libgcc_cmp_return_mode,
10658         default_libgcc_shift_count_mode): Function prototypes added.
10659         * target.h (struct gcc_target): Fields for the new target hooks added.
10660         * optabs.c (expand_binop): Use shift_count_mode when expanding shift
10661         as library call.
10662         (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
10663         library call.
10664
10665         * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
10666         TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
10667
10668         * config/s390/s390.c (s390_libgcc_cmp_return_mode,
10669         s390_libgcc_shift_count_mode): Functions added.
10670         (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
10671         Target hooks defined.
10672
10673 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10674
10675         * config/mips/mips.c (compute_frame_size): Restore the original
10676         gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
10677         fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
10678         Document why the difference is needed.
10679
10680 2007-07-06  Richard Guenther  <rguenther@suse.de>
10681
10682         * c-common.c (boolean_increment): Use correctly typed
10683         constant.
10684
10685 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10686
10687         * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
10688         the topmost argument register is not also included in the save mask.
10689         (mips16e_collect_argument_save_p): Take a pointer to the argument
10690         register, rather than a pointer to the number of arguments.
10691         (mips16e_collect_argument_saves): Only include argument saves
10692         that aren't in the register mask.
10693
10694 2007-07-06  Uros Bizjak  <ubizjak@gmail.com>
10695
10696         PR rtl-optimization/32450
10697         * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
10698         to ensure that instructions are not moved into the prologue when
10699         profiling is on.  Remove unused prologue_end variable.
10700         (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
10701         as a scheduling barrier.
10702
10703 2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10704
10705         PR debug/23551
10706         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10707         Disregard DECL_FROM_INLINE.
10708
10709 2007-07-05  Adam Nemet  <anemet@caviumnetworks.com>
10710
10711         * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
10712         IORing with a constant.
10713
10714 2007-07-05  Seongbae Park  <seongbae.park@gmail.com>
10715
10716         PR rtl-optimization/32475
10717         * df-scan.c (df_def_record_1): Add a use of the stack pointer
10718         for every definition of the stack pointer.
10719
10720 2007-07-05  Richard Earnshaw  <rearnsha@arm.com>
10721
10722         * arm.c (vfp3_const_double_index): Copy signed results of
10723         REAL_VALUE_TO_INT into unsigned vars.
10724
10725 2007-07-05  Richard Guenther  <rguenther@suse.de>
10726
10727         PR middle-end/32639
10728         * alias.c (get_alias_set): Tread METHOD_TYPE the same as
10729         FUNCTION_TYPE.
10730         * tree-ssa.c (useless_type_conversion_p): Check canonical
10731         types early.
10732
10733 2007-07-05 Anatoly Sokolov <aesok@post.ru>
10734
10735         * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
10736         zero_extendhisi2): Change to define_insn_and_split.
10737         (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
10738
10739 2007-07-05  Paolo Bonzini  <bonzini@gnu.org>
10740
10741         * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
10742         pass_match_asm_constraints): New.
10743         * passes.c (init_optimization_passes): Add new pass.
10744         * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
10745         * function.h (struct function): Add has_asm_statement bit.
10746         (current_function_has_asm_statement): New.
10747         * tree-pass.h (pass_match_asm_constraints): New.
10748
10749 2007-07-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10750
10751         * config/mips/mips.c (mips_file_start): Avoid declaration
10752         after code.
10753
10754 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10755
10756         * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
10757
10758 2007-07-05  Uros Bizjak  <ubizjak@gmail.com>
10759
10760         * rtl.def (NOTE): Change print format string to print
10761         operand 5 as a note insn name.
10762
10763 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10764             David Ung  <davidu@mips.com>
10765
10766         * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
10767         * doc/invoke.texi: (MIPS Options): Document them.
10768
10769 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10770             David Ung  <davidu@mips.com>
10771
10772         Add support for SmartMIPS ASE.
10773
10774         * optabs.c (expand_binop_directly): New, broken out from...
10775         (expand_binop): Here.  Make it try rotating in the other
10776         direction even when the second operand isn't constant.
10777         * config/mips/mips.md (*lwxs): New.
10778         * config/mips/mips.opt (msmartmips): New.
10779         * config/mips/mips.c (mips_lwxs_address_p): New.
10780         (mips_rtx_costs): Make it recognize scaled indexed addressing.
10781         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
10782         __mips_smartmips when compiling for TARGET_SMARTMIPS.
10783         (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
10784         (ISA_HAS_LWXS): New.
10785         (ASM_SPEC): Add -msmartmips/-mno-smartmips.
10786         * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
10787         * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
10788         * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
10789         * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
10790         * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
10791         * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
10792
10793 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10794
10795         * tree-vectorizer.c (new_loop_vec_info): Initialize
10796         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10797         * tree-vectorizer.h (_loop_vec_info): Added new filed
10798         min_profitable_iters.
10799         (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
10800         (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
10801         * tree-vect-analyze.c (vect_analyze_operations): Set
10802         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10803         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
10804         VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
10805         Fix calculation of peel_iters_prologue. Move consideration of epilogue
10806         and prologue cost to after they are computed.
10807         (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
10808         TARG_VEC_STMT_COST.
10809         (vect_model_simple_cost): Takes additional argument dt. Consider cost
10810         of creating vectors from scalars according to dt.
10811         (vect_model_store_cost): Likewise.
10812         (vectorizable_call): Use dt array instead of scalar dt. Call
10813         vect_model_simple_cost with additional argument dt.
10814         (vectorizable_assignment): Likewise.
10815         (vectorizable_operation): Likewise.
10816         (vectorizable_type_demotion): Likewise.
10817         (vectorizable_type_promotion): Likewise.
10818         (vectorizable_store): Use dt array instead of scalar dt. Call
10819         vect_model_store_cost with additional argument dt.
10820         (vect_do_peeling_for_loop_bound): Don't call
10821         vect_estimate_min_profitable_iters. Instead, lookup
10822         LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
10823         "may not be profitable".
10824
10825 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10826
10827         PR testsuite/32014
10828         * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
10829         (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
10830         (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
10831         (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
10832
10833 2007-07-05  Zdenek Dvorak  <dvorakz@suse.cz>
10834
10835         * config/i386/i386.c (ix86_address_cost): Do not consider more complex
10836         addressing modes cheaper.
10837
10838 2007-07-05  Alexandre Oliva  <aoliva@redhat.com>
10839
10840         * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
10841         (dw_ranges_struct): Rename block_num to num.  Adjust.
10842         (dw_ranges_by_label_struct): New.
10843         (ranges_by_label, ranges_by_label_allocated,
10844         ranges_by_label_in_use): New variables.
10845         (add_ranges_num): Factored most of the code out of...
10846         (add_ranges): ... this one.  Rewrite in terms of the former.
10847         (add_ranges_by_labels): New.
10848         (output_ranges): Output by-label ranges.
10849         (dwarf2out_finish): Output range for multiple-section
10850         compile_unit.  Output standard DW_AT_low_pc in addition to
10851         unexpected DW_AT_entry_pc.
10852
10853 2007-07-04  Daniel Berlin  <dberlin@dberlin.org>
10854
10855         PR tree-optimization/32604
10856         PR tree-optimization/32606
10857
10858         * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
10859         (compute_antic_safe): Removed.
10860         (ANTIC_SAFE_LOADS): Ditto.
10861         (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
10862         (execute_pre): Don't call compute_antic_safe.
10863         (vuse_equiv): New function.
10864         (make_values_for_stmt): Use it
10865         * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
10866         not always true.
10867
10868 2007-07-04 Anatoly Sokolov <aesok@post.ru>
10869
10870         PR target/31331
10871         * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
10872         rather than a decl.
10873         (avr_attribute_table): Make "naked" attribute apply to function types
10874         rather than to decls.
10875         (avr_handle_fntype_attribute): New function.
10876
10877 2007-07-04  Joseph Myers  <joseph@codesourcery.com>
10878
10879         * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
10880         after \.
10881
10882 2007-07-04  David Ung  <davidu@mips.com>
10883             Joseph Myers  <joseph@codesourcery.com>
10884
10885         * config/mips/mips.md (type): Add logical, signext and move.
10886         (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
10887         *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
10888         *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
10889         combinations", *zero_extend<SHORT:mode><GPR:mode>2,
10890         *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
10891         *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
10892         *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
10893         *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
10894         *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
10895         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
10896         movv2sf_hardfloat_64bit): Use the new types.
10897         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
10898         *movdf_softfloat, *movdf_mips16): Use "multi".
10899         (extendqihi2): Replace with a define_expand.
10900         (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
10901         Based on extend<SHORT:mode><GPR:mode>2 patterns.
10902         * config/mips/74k.md (r74k_int_logical): New reservation and
10903         bypasses.
10904         (r74k_int_arith): Remove "slt".
10905         * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
10906         config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
10907         config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
10908         config/mips/sb1.md, config/mips/sr71k.md: Add new types to
10909         reservations for "arith".
10910
10911 2007-07-04  Richard Guenther  <rguenther@suse.de>
10912
10913         * tree-ssa.c (useless_type_conversion_p): Add handling for
10914         scalar float and vector types.  Only call the types_compatible_p
10915         langhook for aggregate types as last resort.  Follow the
10916         rules.
10917
10918 2007-07-04  Richard Guenther  <rguenther@suse.de>
10919
10920         * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
10921         the same as NOP_EXPR.
10922
10923 2007-07-04  Nick Clifton  <nickc@redhat.com>
10924
10925         * target.h (struct gcc_target): Add target_help field.
10926         * target-def.h (TARGET_HELP): New.
10927         (TARGET_INITIALIZER): Use TARGET_HELP.
10928         * opts.c (command_handle_option): Invoke target_help function, if
10929         defined, when the user has specified --target-help on the command
10930         line.
10931         * doc/invoke.texi: Mention that --target-help might print
10932         additional information.
10933         * doc/tm.texi: Document TARGET_HELP hook.
10934
10935         * arm.c (TARGET_HELP): Override default definition.
10936         (arm_target_help): New - display a wrapped list of cores and
10937         architectures supported.
10938
10939 2007-07-04  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10940
10941         * config/v850/v850.c (expand_prologue): Make sure
10942         GEN_INT() argument is sign extended rather than zero extended.
10943         (expand_epilogue): Likewise.
10944         (output_move_double): Delete.
10945         * config/v850/v850-protos.h (output_move_double): Delete.
10946         * config/v850/v850.md (movdi): Delete.
10947         (*movdi_internal): Delete.
10948         (movdf): Delete.
10949         (*movdf_internal): Delete.
10950
10951 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10952
10953         * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
10954         unless compiling RTP PIC.
10955
10956 2007-07-04  Richard Guenther  <rguenther@suse.de>
10957
10958         PR tree-optimization/32482
10959         * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
10960         original ssa name if we didn't find a shift expression.
10961         Fix shift constant for bit zero test.
10962
10963 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10964
10965         * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
10966
10967 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10968
10969         * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
10970         * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
10971         * config/arm/vxworks.h (ASM_SPEC): Delete.
10972         (SUBTARGET_EXTRA_ASM_SPEC): Define.
10973
10974 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10975
10976         * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
10977         (DDR_REVERSED_P): New.
10978         * tree-data-ref.c (initialize_data_dependence_relation,
10979         build_classic_dist_vector): Set DDR_REVERSED_P.
10980
10981 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10982
10983         PR middle-end/32457
10984         * tree-data-ref.c (analyze_siv_subscript_cst_affine,
10985         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10986         init_omega_for_ddr_1): Use non conservative number of iterations
10987         estimations.
10988         (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
10989         (analyze_siv_subscript): Remove FIXME and reinitialization of
10990         last_conflicts to chrec_dont_know.
10991         * testsuite/gfortran.dg/vect/pr32457.f90: New.
10992
10993 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10994
10995         * tree.c (maybe_canonicalize_argtypes): Improve description.
10996
10997 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10998
10999         * tree.c (maybe_canonicalize_argtypes): New.
11000         (build_function_type): Set canonical type.
11001         (build_method_type_directly): Ditto.
11002         (reconstruct_complex_type): Rebuild the METHOD_TYPE node
11003         properly.
11004
11005 2007-07-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11006
11007         * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
11008         like PLUS_EXPR.
11009         (rewrite_use_nonlinear_expr): Likewise.
11010
11011 2007-07-03  Seongbae Park  <seongbae.park@gmail.com>
11012
11013         * rtl.def (UNSPEC, USE, CLOBBER): More comments.
11014
11015 2007-07-04  Ben Elliston  <bje@au.ibm.com>
11016
11017         * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
11018         of this file.
11019
11020         * c-objc-common.c (c_types_compatible_p): Fix indentation.
11021
11022         * doc/tm.texi (Run-time Target): Capitalise "CPU".
11023         (Exception Handling): Likewise.
11024
11025 2007-07-03  Jan Hubicka  <jh@suse.cz>
11026
11027         * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
11028
11029 2007-07-03  Eric Christopher  <echristo@apple.com>
11030
11031         * doc/cppopts.texi: Add conflicting option note to -dM.
11032         * doc/invoke.texi: Add note about possible conflicts with
11033         -E for -dCHARS and note that -dM will not produce
11034         any results if there is no machine dependent reorg.
11035
11036 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
11037
11038         * tree.h (DECL_ALIGN): Back out previous change.
11039
11040 2007-07-03  Joseph Myers  <joseph@codesourcery.com>
11041
11042         * configure.ac: Test for .dtprelword support on MIPS.
11043         * configure, config.in: Regenerate.
11044         * config/mips/mips.c (mips_output_dwarf_dtprel): New.
11045         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
11046
11047 2007-07-03  Julian Brown  <julian@codesourcery.com>
11048
11049         * config.gcc (with_fpu): Allow --with-fpu=vfp3.
11050         * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
11051         * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
11052         * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
11053         capability.
11054         (all_fpus): Add FPUTYPE_VFP3.
11055         (fp_model_for_fpu): Add VFPv3 field.
11056         (arm_rtx_costs_1): Give cost to VFPv3 constants.
11057         (vfp3_const_double_index): New function. Return integer index of
11058         VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
11059         isn't suitable.
11060         (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
11061         and argument represents a valid RTX for a VFPv3 constant.
11062         (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
11063         two instructions.
11064         (vfp_emit_fstmd): Similar, for fstmd.
11065         (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
11066         constants, represented as integer indices.
11067         (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
11068         VFP_REGNO_OK_FOR_DOUBLE macros.
11069         (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
11070         (arm_file_start): Set float-abi attribute for VFPv3, and output
11071         correct ".fpu" assembler directive.
11072         (arm_dbx_register_numbering): Add FIXME.
11073         * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
11074         (fputype): Add FPUTYPE_VFP3.
11075         (FIXED_REGISTERS): Add 32 registers for D16-D31.
11076         (CALL_USED_REGISTERS): Likewise.
11077         (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
11078         of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
11079         (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
11080         (D7_VFP_REGNUM): New.
11081         (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
11082         (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
11083         (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
11084         (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
11085         (REG_ALLOC_ORDER): Adjust for VFPv3.
11086         (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
11087         (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
11088         VFP_LO_REGS, VFP_HI_REGS.
11089         (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
11090         (IS_VFP_CLASS): Define macro.
11091         (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
11092         IS_VFP_CLASS.
11093         (REGISTER_MOVE_COST): Likewise.
11094         * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
11095         * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
11096         (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
11097         (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
11098         (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
11099         (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
11100         (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
11101         (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
11102         (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
11103         (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
11104         (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
11105         where appropriate for single-word registers.
11106         (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
11107         As above. Fix type attributes.
11108         * config/arm/constraints.md (register_contraint "t"): Define.
11109         (register_constraint "w"): Change to D0-D15, or D0-D31 for
11110         VFPv3/NEON.
11111         (register_constraint "x"): Define.
11112         (constraint "Dv"): Define.
11113
11114 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
11115
11116         * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
11117
11118 2007-07-03  Tom Tromey  <tromey@redhat.com>
11119
11120         * c-parser.c (objc_pq_context): Removed.
11121         (objc_need_raw_identifier): Likewise.
11122         (c_parser) <objc_pq_context>: New field.
11123         <objc_need_raw_identifier>: Likewise.
11124         (OBJC_NEED_RAW_IDENTIFIER): Removed.
11125         (c_lex_one_token): Update.
11126         (c_parser_objc_protocol_definition): Update.
11127         (c_parser_objc_method_definition): Update.
11128         (c_parser_objc_methodproto): Update.
11129         (c_parser_declspecs): Update.
11130
11131 2007-07-03  David Ung  <davidu@mips.com>
11132
11133         * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
11134
11135 2007-07-03  David Ung  <davidu@mips.com>
11136             Richard Sandiford  <richard@codesourcery.com>
11137
11138         * doc/invoke.texi: Document -march=74kf3_2.
11139         * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
11140         (TUNE_74K): Check for it.
11141         * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
11142         (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
11143         * config/mips/mips.md (cpu): Add 74kf3_2.
11144         * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
11145         (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
11146         (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
11147         (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
11148         74kf3_2 to the CPU list.
11149         (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
11150         (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
11151         (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
11152         (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
11153         (r74kf3_2_fxfer_from_c1): New insn reservations.
11154
11155 2007-07-03  Richard Sandiford  <richard@codesourcery.com>
11156             David Ung  <davidu@mips.com>
11157
11158         * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
11159         -march=24kx with -march=24kf1_1.  Likewise 24ke[fx], 34k[fx]
11160         and 74k[fx].  Document aliases for the new options.
11161         * config/mips/mips.h (PROCESSOR_24KF): Rename to...
11162         (PROCESSOR_24KF2_1): ...this.
11163         (PROCESSOR_24KX): Rename to...
11164         (PROCESSOR_24KF1_1): ...this.
11165         (PROCESSOR_74KF): Rename to...
11166         (PROCESSOR_74KF2_1): ...this.
11167         (PROCESSOR_74KX): Rename to...
11168         (PROCESSOR_74KF1_1): ...this.
11169         (TUNE_74K): Update PROCESSOR_* names.
11170         * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
11171         for 24kf.  Add 24kf1_1 and 24kfx as synonyms for 24kx.  Likewise
11172         the 24ke*, 34k* and 74k* processors.  Update PROCESSOR_* names.
11173         (mips_rtx_cost_data): Update processor names in comments.
11174         (mips_issue_rate): Update PROCESSOR_* names.
11175         * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
11176         24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
11177         * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
11178         to r24kf2_1_*.  Rename r24kx_* insn reservations to r24kf1_1_*.
11179         Update cpu attribute names.
11180         (r24k_fpu_iss): Rename this reservation to...
11181         (r24kf2_1_fpu_iss): ...this and update all uses.
11182         (r24kx_fpu_iss): Rename this reservation to...
11183         (r24kf1_1_fpu_iss): ...this and update all uses.
11184         * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
11185         to r74kf2_1_*.  Rename r74kx_* insn reservations to r74kf1_1_*.
11186         Update cpu attribute names.
11187
11188 2007-07-01  Kaz Kojima  <kkojima@gcc.gnu.org>
11189
11190         * config/m32r/constraints.md: New file.
11191         * config/m32r/m32r.c: Include tm-constrs.h.
11192         (small_data_operand): Use satisfies_constraint_* instead of macro.
11193         (addr24_operand, gen_compare): Likewise.
11194         * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
11195         (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
11196         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
11197         EXTRA_CONSTRAINT): Likewise.
11198         * config/m32r/m32r.md: Include constraints.md.
11199         (*movsi_insn): Use satisfies_constraint_* instead of macro.
11200         (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
11201         * config/m32r/predicates.md (conditional_move_operand): Likewise.
11202         (two_insn_const_operand, int8_operand, uint16_operand,
11203         reg_or_int16_operand, reg_or_uint16_operand,
11204         reg_or_cmp_int16_operand, cmp_int16_operand,
11205         seth_add3_operand): Likewise.
11206
11207 2007-07-03  Eric Christopher  <echristo@gmail.com>
11208
11209         * libgcc2.h: Conditionally declare __bswapsi2 and
11210         __bswapdi2.
11211
11212 2007-07-03  H.J. Lu  <hongjiu.lu@intel.com>
11213
11214         * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
11215         defined.
11216
11217 2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11218
11219         PR target/28307
11220         * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
11221         (__gthrw_pragma): Provide default definition.
11222         (__gthrw2): Use it.
11223         * gthr-posix.c (__gthrw_pragma): Define.
11224
11225 2007-07-03  Daniel Berlin  <dberlin@dberlin.org>
11226
11227         * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
11228         before declaring inequality.
11229
11230 2007-07-03  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11231
11232         * combine.c (recog_for_combine): Log the success or failure of
11233           matching new insn patterns against the machine description in
11234           detailed dumps.
11235
11236 2007-07-03  Revital Eres  <eres@il.ibm.com>
11237
11238         * ddg.c (print_sccs): New function.
11239         (check_sccs): New function.
11240         (create_ddg_all_sccs): Use it.
11241         * ddg.h (print_sccs): Declare.
11242         * modulo-sched.c (sms_order_nodes): Call print_sccs.
11243
11244 2007-07-03  Uros Bizjak  <ubizjak@gmail.com>
11245
11246         * targhooks.h (default_mode_for_suffix): New function declaration.
11247         * targhooks.c (default_mode_for_suffix): New default target hook.
11248         * target.h (struct c): New structure in the targetm struct.
11249         (mode_for_suffix): New target hook as part of struct c.
11250         target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
11251         default_mode_for_suffix.
11252         (TARGET_C): New define.
11253         * c-lex.c: Include "target.h".
11254         (interpret_float): Use targetm.c.mode_for_suffix to determine
11255         the mode for a given non-standard suffix.
11256         Makefile.in (c-lex.o): Depend on $(TARGET_H).
11257
11258         * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
11259         (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
11260
11261         * doc/extend.texi (Floating Types): New node.  Document __float80 and
11262         __float128 types.  Document 'w', 'W', 'q' and 'Q' suffixes.
11263
11264 2007-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11265
11266         PR target/32506
11267         * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
11268         predicate instead of target_operand.
11269         (divsi3_i1_media, divsi3_media_2): Likewise.
11270
11271 2007-07-02  Eric Botcazou  <ebotcazou@adacore.com>
11272
11273         * tree.h (alias_sets_might_conflict_p): Rename into
11274         alias_sets_must_conflict_p.
11275         * alias.c (alias_sets_might_conflict_p): Likewise.
11276         (alias_sets_conflict_p): Use it.
11277         (objects_must_conflict_p): Likewise.
11278         * c-common.c (strict_aliasing_warning): Adjust.
11279
11280 2007-07-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11281
11282         * rtlhooks.c (gen_lowpart_if_possible): Check for
11283         invalid subreg before calling gen_lowpart_SUBREG.
11284
11285 2007-07-02  Geoffrey Keating  <geoffk@apple.com>
11286
11287         * config/darwin9.h: Add copyright notice.
11288         (LINK_COMMAND_SPEC): Add comment.
11289         (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
11290         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
11291         DARWIN_LIBSYSTEM_HAS_UNWIND.
11292
11293 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
11294
11295         PR libgomp/32468
11296         * omp-low.c (check_combined_parallel): New function.
11297         (lower_omp_parallel): Call it via walk_stmts, set
11298         OMP_PARALLEL_COMBINED if appropriate.
11299         (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
11300         isn't the only statement in WS_ENTRY_BB or OMP_RETURN
11301         the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
11302         don't consider it as combined parallel.
11303
11304 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
11305
11306         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
11307         (gcc_tooldir): Likewise.
11308         * configure: Regenerate.
11309         * Makefile.in (libsubdir_to_prefix): New variable, based on the
11310         old configure.ac gcc_tooldir setting.
11311         (prefix_to_exec_prefix): New variable.
11312         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
11313         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
11314
11315 2007-07-02  Daniel Berlin  <dberlin@dberlin.org>
11316
11317         Fix PR tree-optimization/32583
11318         Fix PR tree-optimization/32584
11319         * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
11320         (phi_translate_set): Use phi_translate directly now.
11321         (make_values_for_stmt): Don't value number RHS if we already know
11322         it is constant.
11323
11324 2007-07-02  Steve Ellcey  <sje@cup.hp.com>
11325             Jim Wilson <wilson@specifix.com>
11326
11327         PR target/31684
11328         * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
11329         copy_insn.
11330
11331 2007-07-02  Sandra Loosemore  <sandra@codesourcery.com>
11332             Richard Sandiford  <richard@codesourcery.com>
11333             Nigel Stephens  <nigel@mips.com>
11334
11335         * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
11336         (mips16e_output_save_restore): Declare.
11337         (mips16e_save_restore_pattern_p): Likewise.
11338         * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
11339         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
11340         for GENERATE_MIPS16E_SAVE_RESTORE.  Return 0x400 for TARGET_MIPS16
11341         && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
11342         (BITSET_P): New global macro, extracted from...
11343         (mips_for_each_saved_reg): ...here.
11344         (mips16e_save_restore_info): New struct.
11345         (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
11346         (mips16e_save_restore_regs): New variable.
11347         (mips_split_plus, mips16e_find_first_register): New functions.
11348         (mips16e_mask_registers): New function.
11349         (compute_frame_size): Expand the commentary before the function.
11350         Enforce the MIPS16e save and restore register range restrictions.
11351         Pad the general register save area at the low end.
11352         (mips16e_save_restore_reg, mips16e_build_save_restore)
11353         (mips16e_save_restore_pattern_p, mips16e_add_register_range)
11354         (mips16e_output_save_restore, mips16e_collect_propagate_value)
11355         (mips16e_collect_argument_save, mips16e_collect_argument_saves):
11356         New functions.
11357         (mips_expand_prologue, mips_expand_epilogue): Handle
11358         GENERATE_MIPS16E_SAVE_RESTORE.
11359         * config/mips/mips.md (*mips16e_save_restore): New pattern.
11360
11361 2007-07-02  Uros Bizjak  <ubizjak@gmail.com>
11362
11363         PR tree-optimization/31966
11364         PR tree-optimization/32533
11365         * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
11366         "basic_block" description as its third argument.  Update function
11367         calls to get destination bb from "edge" argument.  Save "cond" into
11368         aux field of the edge.  Update prototype for changed arguments.
11369         (if_convertible_loop_p): Clear aux field of incoming edges if bb
11370         contains phi node.
11371         (find_phi_replacement_condition): Operate on incoming edges, not
11372         on predecessor blocks.  If there is a condition saved in the
11373         incoming edge aux field, AND it with incoming bb predicate.
11374         Return source bb of the first edge.
11375         (clean_predicate_lists): Clean aux field of outgoing node edges.
11376         (tree_if_conversion): Do not initialize cond variable. Move
11377         variable declaration into the loop.
11378         (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
11379         initializations of new_stmt, arg0 and arg1 variables.
11380
11381 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
11382
11383         * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
11384         SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
11385
11386 2007-07-02  Richard Guenther  <rguenther@suse.de>
11387
11388         * tree-ssa.c (useless_type_conversion_p): Document
11389         future intent as defining the middle-end type system.
11390         Re-structure to call langhook last, group by type class,
11391         mark questionable parts.
11392
11393 2007-07-02  Richard Guenther  <rguenther@suse.de>
11394
11395         * tree-flow.h (types_compatible_p): Declare.
11396         * tree-ssa.c (types_compatible_p): New function.
11397         * ipa-type-escape.c (discover_unique_type): Use
11398         types_compatible_p instead of lang_hooks.types_compatible_p.
11399         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
11400         * tree-vn.c (expressions_equal_p): Likewise.
11401         * tree.c (fields_compatible_p): Likewise.
11402         * tree-ssa-dom.c (avail_expr_eq): Likewise.
11403         (cprop_operand): Use useless_type_conversion_p instead of
11404         lang_hooks.types_compatible_p.
11405         * tree-inline.c (setup_one_parameter): Likewise.
11406         (declare_return_variable): Likewise.
11407         * tree-nrv.c (tree_nrv): Likewise.
11408         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
11409         (maybe_fold_offset_to_component_ref): Likewise.
11410         (maybe_fold_offset_to_reference): Likewise.
11411         * tree-ssa-copy.c (may_propagate_copy): Likewise.
11412         (merge_alias_info): Likewise.
11413         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
11414         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
11415         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
11416         * tree-tailcall.c (find_tail_calls): Likewise.
11417         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
11418         * gimplify.c (canonicalize_addr_expr): Likewise.
11419         (fold_indirect_ref_rhs): Likewise.
11420         (gimplify_addr_expr): Likewise.  Swap parameters to cpt_same_type.
11421         (cpt_same_type): Likewise.
11422         (check_pointer_types_r): Swap parameters to cpt_same_type
11423         where appropriate.
11424         * fold-const.c (fold_convert): Revert fix for PR15988.
11425         * tree-inline.c (setup_one_parameter): Instead fix it here by
11426         using fold_build1 instead of fold_convert and checking for
11427         error_mark_node.  Convert only if the conversion is necessary.
11428
11429 2007-07-02  Joseph Myers  <joseph@codesourcery.com>
11430
11431         * configure.ac: Check for .gnu_attribute on Power.
11432         * configure: Regenerate.
11433         * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
11434         attribute for floating-point ABI.
11435
11436 2007-07-02  Ira Rosen  <irar@il.ibm.com>
11437
11438         PR tree-optimization/32230
11439         PR tree-optimization/32477
11440         * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
11441         address is a constant.
11442
11443 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
11444
11445         * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
11446         (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
11447         (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
11448         stanzas.  Use the first part of the triplet to set MIPS_ISA_DEFAULT.
11449         Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
11450         64-bit targets.  Add support for *-elfoabi*.
11451         * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
11452         different settings if $(tm_defines) does not select the EABI.
11453         (MULTILIB_EXCLUSIONS): Define in those circumstances.
11454         * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
11455         (MIPS_ARCH_OPTION_SPEC): Likewise.
11456         (MIPS_ISA_LEVEL_SPEC): Likewise.
11457         (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
11458         * config/mips/elfoabi.h: New file.
11459
11460 2007-07-02  Richard Guenther  <rguenther@suse.de>
11461
11462         * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
11463         (useless_type_conversion_p): ... this.
11464         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
11465         (useless_type_conversion_p): ... this.
11466         * builtins.c (fold_builtin_memory_op): Rename
11467         tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
11468         * tree-cfg.c (verify_expr): Likewise.
11469         * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
11470         * tree-ssa-ccp.c (ccp_fold): Likewise.
11471         * tree-ssa-copy.c (may_propagate_copy): Likewise.
11472         * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
11473         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
11474         * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
11475         * tree-ssa-pre.c (eliminate): Likewise.
11476         * tree-ssa.c (delete_tree_ssa): Likewise.
11477         (tree_ssa_useless_type_conversion): Likewise.
11478         * tree.c (build2_stat): Likewise.
11479
11480 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
11481
11482         Fix PR tree-optimization/32571
11483         * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
11484         simplifying them.
11485
11486 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
11487
11488         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
11489         and other expected operations explicitly, change default to
11490         gcc_unreachable.
11491
11492 2007-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
11493
11494         * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
11495         PARALLEL.
11496         * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
11497         (tls_load_dot_plus_eight): Move the label number into the unspec.
11498         * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
11499
11500 2007-07-01  Andreas Schwab  <schwab@suse.de>
11501
11502         * dwarf2out.c (initial_return_save): Define only if used.
11503
11504 2007-07-01  Kenneth Zadeck <zadeck@naturalbridge.com>
11505
11506         Unreverting Richard's Revert of:
11507
11508         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11509
11510         * dce.c (deletable_insn_p_1): New function, split out from...
11511         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11512         specially, not those inside PARALLELs.  Remove BODY argument
11513         and adjust recursive call accordingly.
11514         (prescan_insns_for_dce): Update call to delete_insn_p.
11515
11516 2007-07-01  Vladimir Yanovsky  <yanov@il.ibm.com>
11517             Revital Eres  <eres@il.ibm.com>
11518
11519         * ddg.c (create_ddg_all_sccs): Fix missed
11520         initialization of scc_nodes.
11521
11522 2007-07-01  Uros Bizjak  <ubizjak@gmail.com>
11523
11524         PR middle-end/32559
11525         * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
11526         X + ~X to 1 only for INTEGRAL_TYPE_P type.
11527
11528 2007-06-30  Joseph Myers  <joseph@codesourcery.com>
11529
11530         * configure.ac: Check for .gnu_attribute on MIPS.
11531         * configure, config.in: Regenerate.
11532         * config/mips/mips.c (mips_file_start): If supported, output
11533         attribute for floating-point ABI.
11534
11535 2007-06-30  Uros Bizjak  <ubizjak@gmail.com>
11536
11537         PR target/32433
11538         * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
11539         (ffs_cmove): New expander to expand using ctz pattern.
11540         (*ffs_cmove): Remove pattern.
11541         (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
11542         (ffsdi2): Expand using ctz pattern.
11543         (*ffs_rex64): Remove pattern.
11544
11545 2007-06-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11546
11547         PR rtl-optimization/32296
11548         * pa.md (return): Delete pattern.
11549         (return_internal): Remove "(const_int 1)" from pattern.
11550         (epilogue): Use return_internal pattern for trivial returns.
11551         * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
11552         * pa.c (hppa_can_use_return_insn_p): Delete function.  Include "df.h".
11553
11554 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11555
11556         * tree-ssa-pre.c (is_exception_related): New function
11557         (can_value_number_operation): Use it.
11558
11559 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11560
11561         Fix PR tree-optimization/32540
11562         Fix PR tree-optimization/31651
11563
11564         * tree-ssa-sccvn.c: New file.
11565
11566         * tree-ssa-sccvn.h: Ditto.
11567
11568         * tree-vn.c: Include tree-ssa-sccvn.h
11569         (val_expr_paid_d): Removed.
11570         (value_table): Ditto.
11571         (vn_compute): Ditto.
11572         (val_expr_pair_hash): Ditto.
11573         (val_expr_pair_expr_eq): Ditto.
11574         (copy_vuses_from_stmt): Ditto.
11575         (vn_delete): Ditto.
11576         (vn_init): Ditto.
11577         (shared_vuses_from_stmt): Ditto.
11578         (print_creation_to_file): Moved up.
11579         (sort_vuses): Ditto.
11580         (sort_vuses_heap): Ditto.
11581         (set_value_handle): Make non-static.
11582         (make_value_handle): Ditto.
11583         (vn_add): Rewritten to use sccvn lookups.
11584         (vn_add_with_vuses): Ditto.
11585         (vn_lookup): Ditto (and second argument removed).
11586         (vn_lookup_with_vuses): Ditto.
11587         (vn_lookup_or_add): Ditto (and second argument removed);
11588         (vn_lookup_or_add_with_vuses): Ditto.
11589         (vn_lookup_with_stmt): New.
11590         (vn_lookup_or_add_with_stmt): Ditto.
11591         (create_value_handle_for_expr): Ditto.
11592
11593         * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
11594         (seen_during_translate): New function.
11595         (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
11596         (phi_trans_add): Ditto.
11597         (constant_expr_p): FIELD_DECL is always constant.
11598         (phi_translate_1): Renamed from phi_translate, add seen bitmap.
11599         Use constant_expr_p.
11600         Avoid infinite recursion on mutually valued expressions.
11601         Change callers of vn_lookup_or_add.
11602         (phi_translate): New function.
11603         (compute_antic_safe): Allow phi nodes.
11604         (create_component_ref_by_pieces): Update for FIELD_DECL change.
11605         (find_or_generate_expression): Rewrite slightly.
11606         (create_expression_by_pieces): Updated for vn_lookup_or_add
11607         change.
11608         Update VN_INFO for new names.
11609         (insert_into_preds_of_block): Update for new names.
11610         (add_to_exp_gen): New function.
11611         (add_to_sets): Use vn_lookup_or_add_with_stmt.
11612         (find_existing_value_expr): Rewrite to changed vn_lookup.
11613         (create_value_expr_from): Ditto, and use add_to_exp_gen.
11614         (try_look_through_load): Removed.
11615         (try_combine_conversion): Ditto.
11616         (get_sccvn_value): New function.
11617         (make_values_for_phi): Ditto.
11618         (make_values_for_stmt): Ditto.
11619         (compute_avail): Rewritten for vn_lookup_or_add changes and to use
11620         SCCVN.
11621         (init_pre): Update for SCCVN changes.
11622         (fini_pre): Ditto.
11623         (execute_pre): Ditto.
11624
11625         * tree-flow.h (make_value_handle): Declare.
11626         (set_value_handle): Ditto.
11627         (sort_vuses_heap): Ditto.
11628         (vn_lookup_or_add_with_stmt): Ditto.
11629         (vn_lookup_with_stmt): Ditto.
11630         (vn_compute): Remove.
11631         (vn_init): Ditto.
11632         (vn_delete): Ditto.
11633         (vn_lookup): Update arguments.
11634
11635         * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
11636         (tree-vn.o): Ditto.
11637         (tree-ssa-sccvn.o): New.
11638         (OBJS-common): Add tree-ssa-sccvn.o
11639
11640 2007-06-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11641
11642         PR c/4076
11643         * c-typeck.c (build_external_ref): Don't mark as used if called
11644         from itself.
11645         * calls.c (rtx_for_function_call): Likewise.
11646
11647 2007-06-30  Richard Sandiford  <richard@codesourcery.com>
11648
11649         Revert:
11650
11651         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11652
11653         * dce.c (deletable_insn_p_1): New function, split out from...
11654         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11655         specially, not those inside PARALLELs.  Remove BODY argument
11656         and adjust recursive call accordingly.
11657         (prescan_insns_for_dce): Update call to delete_insn_p.
11658
11659 2007-06-30  Rask Ingemann Lambertsen <rask@sygehus.dk>
11660
11661         * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
11662         (try_combine): Move potential calls to undo_all() so they happen
11663         before we commit to using the combined insns.
11664
11665 2006-06-30  Jan Hubicka  <jh@suse.cz>
11666
11667         * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
11668         code.
11669
11670 2006-06-30  Thomas Neumann  <tneumann@users.sourceforge.net>
11671
11672         * ipa.c (cgraph_postorder): Cast according to the coding conventions.
11673         (cgraph_remove_unreachable_nodes): Likewise.
11674         * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
11675         * ipa-inline.c (update_caller_keys): Cast according to the coding
11676         conventions.
11677         (cgraph_decide_recursive_inlining): Likewise.
11678         (cgraph_decide_inlining_of_small_function): Likewise.
11679         (try_inline): Likewise.
11680         (cgraph_decide_inlining_incrementally): Likewise.
11681         * ipa-pure-const.c (get_function_state): Likewise.
11682         (scan_function): Likewise.
11683         (analyze_function): Likewise.
11684         (static_execute): Likewise.
11685         * ipa-reference.c (scan_for_static_refs): Likewise.
11686         (merge_callee_local_info): Likewise.
11687         (analyze_function): Use type safe memory macros.
11688         (static_execute): Likewise. Cast according to the coding conventions.
11689         * ipa-type-escape.c (scan_for_regs): Cast according to the coding
11690         conventions.
11691         * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
11692         names.
11693         (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
11694         * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
11695         variable names.
11696
11697 2007-06-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11698
11699         PR middle-end/30024
11700         * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
11701         for complex modes (both int and real).
11702
11703 2007-06-29  Jan Hubicka  <jh@suse.cz>
11704
11705         * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
11706
11707 2007-06-29  Jan Hubicka  <jh@suse.cz>
11708
11709         PR middle-end/32372
11710         * cse.c (cse_insn): Avoid invalid sharing in between register note and
11711         the insn pattern.
11712
11713 2007-06-29  Anatoly Sokolov <aesok@post.ru>
11714
11715         PR target/32335
11716         * config/avr/avr.c: Include dataflow header file.
11717         (expand_prologue): Adjust for prologue insn change.
11718         * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
11719         inside a insn.
11720
11721 2007-06-29  Richard Guenther  <rguenther@suse.de>
11722
11723         PR middle-end/32493
11724         * gimplify.c (gimplify_call_expr): Ignore variable argument parts
11725         during type verification.
11726
11727 2007-06-29  Jan Hubicka  <jh@suse.cz>
11728
11729         * recog.c (validate_change_rtx_1): Unshare TO argument.
11730
11731 2007-06-29  Uros Bizjak  <ubizjak@gmail.com>
11732
11733         PR tree-optimization/24659
11734         * tree-vect-transform.c (vectorizable_call): Handle
11735         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
11736
11737         * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
11738         * config/i386/i386.c (enum ix86_builtins)
11739         [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
11740         (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
11741         description.
11742         (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
11743         const using def_builtin_const.
11744         (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
11745         input operands in the same modes as the result.
11746         (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
11747
11748 2007-06-29  Richard Sandiford  <rsandifo@nildram.co.uk>
11749
11750         * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
11751         (df_set_dead_notes_for_mw): Likewise.
11752
11753 2007-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11754
11755         * c-common.c (pointer_int_sum): Do the negation in sizetype.
11756
11757 2007-06-28  DJ Delorie  <dj@redhat.com>
11758
11759         * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
11760
11761 2007-06-28  Geoffrey Keating  <geoffk@apple.com>
11762
11763         * doc/invoke.texi (C++ Dialect Options): Document
11764         fvisibility-ms-compat.
11765         * c.opt (fvisibility-ms-compat): New.
11766
11767 2007-06-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11768
11769         PR tree-opt/32417
11770         * tree-affine.c (aff_combination_add_elt): Handle
11771         pointer addition specially.
11772
11773 2007-06-28  Jakub Jelinek  <jakub@redhat.com>
11774
11775         * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
11776         decl is non-external for AIX ABI.
11777
11778 2007-06-28  David Edelsohn  <edelsohn@gnu.org>
11779
11780         * config/rs6000/predicates.md (current_file_function_operand):
11781         Ensure the symbol is non-external for AIX ABI.
11782
11783 2007-06-28  Nick Clifton  <nickc@redhat.com>
11784
11785         * common.opt (fipa-matrix-reorg): Add Optimization attribute.
11786         (fdce, fdse, fpredictive-commoning): Likewise.
11787
11788 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
11789
11790         PR other/31400
11791         * gcc.c (process_command): Recognize the new -static-libgfortran
11792         option.
11793
11794 2007-06-27  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11795
11796         PR target/32418
11797         * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
11798         Use a call clobbered hard reg instead of a pseudo reg.
11799
11800 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11801
11802         * config/sh/sh.md (load_gbr): Use correct operand constraint.
11803
11804 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11805
11806         PR target/32479
11807         * config/sh/sh.md (udivsi3): Don't wrap the sequence with
11808         REG_LIBCALL and REG_RETVAL notes.
11809         (divsi3, mulsi3): Likewise.
11810         (mulhisi3): Likewise.  Use emit_libcall_block.
11811         (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
11812
11813 2007-06-27  Seongbae Park  <seongbae.park@gmail.com>
11814
11815         PR rtl-optimization/32481
11816         * combine.c (adjust_for_new_dest): Rescan the changed insn.
11817
11818 2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11819
11820         * dce.c (deletable_insn_p_1): New function, split out from...
11821         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11822         specially, not those inside PARALLELs.  Remove BODY argument
11823         and adjust recursive call accordingly.
11824         (prescan_insns_for_dce): Update call to delete_insn_p.
11825
11826 2007-06-27  Richard Guenther  <rguenther@suse.de>
11827
11828         PR middle-end/32492
11829         * tree.h (fold_convertible_p): Declare.
11830         * fold-const.c (fold_convertible_p): New function.
11831         * gimplify.c (gimplify_call_expr): Use fold_convertible_p
11832         instead of lang_hooks.types_compatible_p.
11833
11834 2007-06-26  Jan Hubicka  <jh@suse.cz>
11835
11836         * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
11837         * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
11838         early use validate_unshare_change.
11839         (reload_combine): Likewise.
11840         * recog.c (change_t): New field unshare.
11841         (validate_change_1): Rename from validate_change; add argument unshare.
11842         (validate_change): Turn into wrapper of validate_change_1; update
11843         prototype for bools.
11844         (validate_unshare_change): New.
11845         (confirm_change_group): Unshare changes if asked for; avoid unnecesary
11846         calls of df_insn_rescan.
11847         * recog.h (validate_change): Replace ints by bools.
11848         (validate_unshare_change): Declare.
11849
11850 2007-06-26  Kenneth Zadeck <zadeck@naturalbridge.com>
11851
11852         * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
11853
11854 2007-06-26  Steve Ellcey  <sje@cup.hp.com>
11855
11856         * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
11857
11858 2007-06-25  Jan Hubicka  <jh@suse.cz>
11859
11860         * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
11861         uninlinable call.
11862         (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
11863         cgraph_decide_inlining_incrementally): Move uninlinability checks to
11864         places other call site specific checks are performed.
11865
11866 2007-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11867
11868         PR tree-opt/32421
11869         * tree-vect-transform.c (vectorizable_operation): Convert
11870         POINTER_PLUS_EXPR over to PLUS_EXPR.
11871
11872 2007-06-25  Chao-ying Fu  <fu@mips.com>
11873
11874         * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
11875         UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
11876         Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
11877         Document GET_MODE_IBIT, and GET_MODE_FBIT.
11878
11879         * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
11880         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11881         (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
11882         SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
11883         SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
11884         ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
11885         ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
11886         SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
11887         ALL_FIXED_POINT_MODE_P): New define.
11888         (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11889         MODE_UACCUM.
11890         (GET_MODE_IBIT, GET_MODE_FBIT): New define.
11891
11892         * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
11893         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11894         MODE_VECTOR_UACCUM): New mode classes.
11895
11896         * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
11897         UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
11898         Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
11899         USA, UDA, and UTA.
11900
11901         * genmodes.c (struct mode_data): Add ibit and fbit fields.
11902         (blank_mode): Initialize ibit and fbit.
11903         (adj_ibit, adj_fbit): New to adjust ibit and fbit.
11904         (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11905         MODE_UACCUM.
11906         (new_adjust): Change required_class to required_class_from and
11907         required_class_to for testing within a range.
11908         (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11909         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11910         MODE_VECTOR_UACCUM.
11911         (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
11912         (make_fixed_point_mode): New.
11913         (_ADD_ADJUST): Change C to C1 and C2.
11914         (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
11915         use a range for machine classes.
11916         (ADJUST_IBIT, ADJUST_FBIT): New.
11917         (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
11918         CONST_MODE_FBIT.
11919         (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
11920         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11921         Emit adjustment for ibit and fbit.
11922         (emit_mode_ibit, emit_mode_fbit): New.
11923         (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
11924
11925 2007-06-25  Nathan Froyd  <froydnj@codesourcery.com>
11926
11927         * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
11928         as the source of the set.
11929
11930 2007-06-25  Roman Zippel <zippel@linux-m68k.org>
11931
11932         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
11933         FP_REGNO_P): Use IN_RANGE.
11934         (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
11935         (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
11936         (DATA_REG_P): Use DATA_REGNO_P.
11937         (FP_REG_P): Use FP_REGNO_P.
11938         (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
11939         * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
11940         REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
11941
11942 2007-06-24  Jan Hubicka  <jh@suse.cz>
11943
11944         PR middle-end/30563
11945         * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
11946
11947 2007-06-24  Sebastian Pop  <sebpop@gmail.com>
11948
11949         PR middle-end/32461
11950         * fold-const.c (fold_binary): Strip nops of operand 0
11951         of BIT_NOT_EXPR before calling operand_equal_p.
11952         * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
11953         * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
11954
11955 2007-06-23  Mark Mitchell  <mark@codesourcery.com>
11956
11957         * doc/extend.texi: Document that dllimport and dllexport imply
11958         default visibility.
11959         * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
11960         imported or exported declaration, including type declarations.
11961         * c-common.c (handle_visibility_attribute): Check for conflicts
11962         with dllimport/dllexport.
11963         (c_determine_visibility): Handle dllimport/dllexport as an
11964         explicit visibility atttribute.
11965
11966 2007-06-23  Richard Guenther  <rguenther@suse.de>
11967
11968         PR tree-optimization/16876
11969         PR middle-end/29478
11970         * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
11971         for CALL_EXPRs.
11972         * tree-inline.c (initialize_inlined_parameters): Do not call
11973         lang_hooks.tree_inlining.convert_parm_for_inlining.
11974         * cgraphbuild.c (initialize_inline_failed): Set inline failed
11975         reason for mismatched types.
11976         * gimplify.c (gimplify_call_expr): Verify the call expression
11977         arguments match the called function type signature.  Otherwise
11978         mark the call expression to be not considered for inlining
11979         using CALL_CANNOT_INLINE_P flag.
11980         * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
11981         edges call expression.
11982         (cgraph_decide_inlining_of_small_function): Likewise.
11983         (cgraph_decide_inlining): Likewise.
11984         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
11985         Remove define.
11986         * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
11987         * c-typeck.c (c_convert_parm_for_inlining): Remove.
11988         * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
11989         Remove declaration.
11990         (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
11991         * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
11992         Remove.
11993         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11994         convert_parm_for_inlining member.
11995
11996 2007-06-23  Richard Earnshaw  <rearnsha@arm.com>
11997
11998         PR target/31152
11999         * arm.md (negscc): Match the correct operand for optimized LT0 test.
12000         Remove optimization for GT.
12001
12002 2007-06-23  Kenneth Zadeck <zadeck@naturalbridge.com>
12003
12004         PR middle-end/32437
12005         * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
12006         is a PARALLEL.
12007         (prescan_insns_for_dce): Add extra parameter.
12008
12009 2007-06-23  Jan Hubicka  <jh@suse.cz>
12010
12011         PR middle-end/31541
12012         * gimplify.c (mark_addressable): New function.
12013         (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
12014
12015 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
12016
12017         PR middle-end/32374
12018         * expr.c (store_constructor): Do not clobber non-zeroed memory.
12019
12020 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
12021
12022         PR target/32413
12023         * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
12024         moves between MMX/SSE registers to at least 8 units to prevent
12025         ICE caused by non-tieable SI/HI/QImodes in SSE registers.
12026
12027 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
12028
12029         * config/i386/i386.c (override_options): Correct x86_sahf
12030         setting condition.
12031
12032 2007-06-21  David Daney  <ddaney@avtrex.com>
12033
12034         PR target/32406
12035         * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
12036         to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
12037         (exception_receiver): Renamed to ...
12038         (nonlocal_goto_receiver): ... this.
12039
12040 2007-06-22  Roman Zippel <zippel@linux-m68k.org>
12041
12042         * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
12043         (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
12044         partial register accesses.
12045
12046 2007-06-21  Adam Nemet  <anemet@caviumnetworks.com>
12047
12048         * fold-const.c (debug_fold_checksum): Move it under
12049         ENABLE_FOLD_CHECKING.
12050
12051 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
12052
12053         PR middle-end/20623
12054         * tree.h (debug_fold_checksum): Declared.
12055         * fold-const.c (build_fold_addr_expr_with_type_1): New.
12056         (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
12057         build_fold_addr_expr_with_type_1.
12058         (fold_addr_expr, debug_fold_checksum): New.
12059         (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
12060         (fold_unary, fold_comparison, split_address_to_core_and_offset):
12061         Use fold_addr_expr.
12062
12063 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
12064
12065         PR tree-optimization/19590
12066         * tree-vrp.c (adjust_range_with_scev): Set the range when the result
12067         of scev is a constant.
12068
12069 2007-06-21  Kenneth Zadeck <zadeck@naturalbridge.com>
12070
12071         * df-problems.c (df_note_bb_compute): Made computation of live
12072         info consistent with df_lr.
12073
12074 2007-06-21  Richard Guenther  <rguenther@suse.de>
12075
12076         PR tree-optimization/32453
12077         * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
12078         for pointer anti-range.
12079
12080 2007-06-21  H.J. Lu  <hongjiu.lu@intel.com>
12081
12082         * config/i386/i386.c (processor_target_table): Increase maximum
12083         skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
12084         default 64bit.
12085
12086         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
12087         byte alignment if > 8 byte alignment is preferred.
12088         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
12089
12090 2007-06-21  Jakub Jelinek  <jakub@redhat.com>
12091
12092         PR tree-optimization/31866
12093         * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
12094         if ASM_EXPR's input is not a SSA_NAME.
12095
12096         PR middle-end/32362
12097         * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
12098         but decl is a global var, instead return decl.
12099         * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
12100         even for is_global_var decls, if they are private in some outer
12101         context.
12102
12103 2007-06-21  Richard Guenther  <rguenther@suse.de>
12104
12105         PR tree-optimization/32451
12106         * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
12107
12108 2007-06-21  Christian Bruel  <christian.bruel@st.com>
12109
12110         * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
12111         * config/sh/sh.c (sh_loads_bankedreg_p): New function.
12112         (push_regs): Changed saving order or banked registers.
12113         (sh_expand_epilogue): Likewise.
12114         * config/sh/sh.h (BANKED_REGISTER_P): New macro.
12115         (FIRST_BANKED_REG): Likewise.
12116         (LAST_BANKED_REG): Likewise.
12117         * config/sh/sh.md (banked) New attribute.
12118         (in_delay_slot): Check banked attribute.
12119
12120 2007-06-20  Sebastian Pop  <sebpop@gmail.com>
12121
12122         PR tree-optimization/32075
12123         * tree-data-ref.c (subscript_dependence_tester_1,
12124         analyze_miv_subscript, analyze_overlapping_iterations,
12125         add_distance_for_zero_overlaps, build_classic_dist_vector,
12126         subscript_dependence_tester_1, analyze_overlapping_iterations,
12127         subscript_dependence_tester, access_functions_are_affine_or_constant_p,
12128         compute_affine_dependence, compute_all_dependences): Pass loop_nest
12129         to evolution_function_is_affine_multivariate_p.
12130
12131 2007-06-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
12132
12133         * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
12134
12135 2007-06-20  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12136
12137         PR target/32335
12138         * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
12139         for TARGET_A16.
12140         * config/m32c/prologue.md (epilogue_exitd_16): New.
12141         (epilogue_reit_16): New.
12142         (epilogue_exitd): Rename to epilogue_exitd_24.
12143         (epilogue_reit): Rename to epilogue_reit_24.
12144
12145 2007-06-20  Seongbae Park  <seongbae.park@gmail.com>
12146             Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
12147
12148         * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
12149         New counters.
12150         * haifa-sched.c (queue_to_ready): Don't requeue next insn
12151         if dbg_cnt (sched_insn) reaches the limit.
12152         (choose_ready): New parameter INSN_PTR and new return value.
12153         (schedule_block): Handle dbg_cnt (sched_insn). Handle
12154         the new return value from choose_ready.
12155         * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
12156         (rest_of_handle_global_alloc): New global_alloc_at_func.
12157
12158 2007-06-20  Adam Nemet  <anemet@caviumnetworks.com>
12159
12160         PR tree-optimization/25737
12161         * tree.h (struct tree_struct_field_tag): Add new field alias_set.
12162         (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
12163         * tree-flow.h (struct fieldoff): Add new field alias_set.
12164         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
12165         argument addressable_type.  Set alias_set of fieldoff.
12166         * tree-ssa-alias.c (create_sft): Add new argument alias_set.
12167         (create_overlap_variables_for): Pass alias_set from fieldoff to
12168         create_sft.
12169         * alias.c (get_alias_set): Use alias_set from SFT if set.
12170
12171 2007-06-20  Hui-May Chang  <hm.chang@apple.com>
12172
12173         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
12174         of a variable as an unsigned HOST_WIDE_INT integer.
12175
12176 2007-06-20  Zdenek Dvorak  <dvorakz@suse.cz>
12177
12178         PR rtl-optimization/32405
12179         * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
12180
12181 2007-06-20  Jakub Jelinek  <jakub@redhat.com>
12182
12183         * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
12184
12185         PR middle-end/31959
12186         * builtins.c: Include diagnostic.h.
12187         (expand_builtin_expect): Make gcc_assert more permissive.
12188         * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
12189
12190         PR inline-asm/32109
12191         * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
12192         and !allows_mem.
12193
12194         PR middle-end/32285
12195         * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
12196         if ACCUMULATE_OUTGOING_ARGS.
12197
12198 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12199
12200         * config/m68hc11/m68hc11.c: Include dataflow header file.
12201         (m68hc11_reorg): Port to dataflow.
12202
12203 2007-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
12204
12205         * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
12206         (struct df_problem.free_blocks_on_set_blocks): New field.
12207         (struct dataflow.optional_p): New field.
12208         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
12209         (df_live_set_all_dirty): New function.
12210         * df-scan.c (df_scan_alloc): Initialize optional_p.
12211         (problem_SCAN): Initialize free_blocks_on_set_blocks.
12212         * df-core.c (df_set_blocks): Removed use of
12213         DF_FIRST_OPTIONAL_PROBLEM.  Now uses
12214         df_problem.free_blocks_on_set_blocks to determine which blocks are
12215         recycled.
12216         (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
12217         (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM.  Now
12218         uses dataflow.optional_p to determine if problem should be
12219         deleted.
12220         (rest_of_handle_df_initialize): Only start live problem if
12221         -02 or above.
12222         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
12223         * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
12224         df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
12225         (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
12226         problem_NOTE): Initialize free_blocks_on_set_blocks.
12227         (df_lr_bb_local_compute): Recompute luids if df_live problem is
12228         not active.
12229         (df_live_set_all_dirty, df_note_alloc): New function.
12230         * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
12231         df_get_live_*.
12232         * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
12233         * postreload.c (reload_combine): Ditto.
12234         * cse.c (cse_extended_basic_block): Ditto.
12235         * regmove.c (mark_flags_life_zones): Ditto.
12236         * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
12237         erase_matching_seqs): Ditto.
12238         * bt-load.c (compute_defs_uses_and_gen): Ditto.
12239         * integrate (allocate_initial_values): Ditto.
12240         * combine.c (reg_dead_at_p): Ditto.
12241         * resource.c (mark_target_live_regs): Ditto.
12242         * sched-rgn.c (check_live_1, update_live_1): Ditto.
12243         * config/sh/sh.c (find_r0_life_regions): Ditto.
12244         * global.c (rest_of_handle_global_alloc): Only add back df_live
12245         for -O > 1.
12246         * local-alloc.c (rest_of_handle_local_alloc): Only remove
12247         df_live for -O > 1.
12248         * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
12249         df_get_live_*.
12250         (if_convert): Make sure df_live is there at -O == 1.
12251         (pass_if_after_combine): Cleanup flags.
12252         * init-regs.c (initialize_uninitialized_regs): Make sure df_live
12253         is there at -O == 1.
12254
12255 2007-06-19  Seongbae Park  <seongbae.park@gmail.com>
12256
12257         * config/arm/arm.c (arm_get_frame_offsets): Set
12258         offsets->locals_base to avoid negative stack size.
12259         (thumb1_expand_prologue): Assert on negative stack size.
12260
12261 2007-06-19  Sebastian Pop  <sebpop@gmail.com>
12262
12263         PR tree-optimization/32367
12264         * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
12265         of the chrec has no evolution in that loop.
12266         * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
12267
12268 2007-06-19  Bob Wilson  <bob.wilson@acm.org>
12269
12270         * config/xtensa/xtensa.c: Include "df.h".
12271         (xtensa_builtin_saveregs): Use adjust_address instead of
12272         change_address.
12273         (xtensa_va_start): Invoke make_tree with sizetype for
12274         expand_builtin_saveregs and then convert the result to a pointer.
12275         Use POINTER_PLUS_EXPR.  Use size_int instead of build_int_cst.
12276         (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
12277         Subtract argument size from index value as integers and then use
12278         POINTER_PLUS_EXPR to add the result to the array address.
12279
12280 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12281
12282         PR target/32335
12283         * config/m32c/m32c.c: Include dataflow header file.
12284         (m32c_emit_prologue): Adjust for prologue insn change.
12285         * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
12286         once inside a PARALLEL. Assume frame size passed in operand 0
12287         includes space to save the fb register.
12288         (prologue_enter_24): Likewise.
12289         (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
12290
12291 2007-06-19  David Daney  <ddaney@avtrex.com
12292
12293         PR target/32313
12294         * config/mips/mips.md (cprestore): Mark $gp as used.
12295
12296 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12297
12298         PR target/32369
12299         * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
12300         (frv_ifcvt_modify_insn): Likewise.
12301
12302 2007-06-19  Richard Guenther  <rguenther@suse.de>
12303
12304         * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
12305         only handle positive offsets that fit in a HOST_WIDE_INT.
12306
12307 2007-06-19  Uros Bizjak  <ubizjak@gmail.com>
12308
12309         * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
12310         result of rsqrt insn for zero input argument to avoid NaN.
12311
12312 2007-06-19  Richard Guenther  <rguenther@suse.de>
12313
12314         PR middle-end/31950
12315         * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
12316
12317 2007-06-19  Jakub Jelinek  <jakub@redhat.com>
12318
12319         PR tree-optimization/32353
12320         * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
12321
12322 2007-06-19  Nick Clifton  <nickc@redhat.com>
12323
12324         * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
12325
12326 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
12327
12328         PR target/32389
12329         * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
12330         * config/i386/i386.c (assign_386_stack_local): Assert that
12331         SLOT_VIRTUAL is valid only before virtual regs are instantiated.
12332         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
12333         Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
12334         * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
12335
12336 2007-06-18  Steve Ellcey  <sje@cup.hp.com>
12337
12338         * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
12339
12340 2007-06-18  Seongbae Park  <seongbae.park@gmail.com>
12341
12342         PR rtl-optimization/32321
12343         * gcse.c (replace_store_insn): Update the note before
12344         calling emit_insn_after.
12345
12346 2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>
12347
12348         PR middle-end/32355
12349         * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
12350         cse_main.
12351         * df-problems.c (df_note_bb_compute): Fix dumping info.
12352
12353 2007-06-18  Kazu Hirata  <kazu@codesourcery.com>
12354
12355         * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
12356         insn with emit_jump_insn.
12357
12358 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
12359
12360         PR tree-optimization/32383
12361         * targhooks.c (default_builtin_reciprocal): Add new bool argument.
12362         * targhooks.h (default_builtin_reciprocal): Update prototype.
12363         * target.h (struct gcc_target): Update builtin_reciprocal.
12364         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
12365         * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
12366         where arg1 is not SSA_NAME.  Pass true to targetm.builtin_reciprocal
12367         when fndecl is in BUILT_IN_MD class.
12368         (execute_convert_to_rsqrt): Ditto.
12369
12370         * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
12371         argument.  Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
12372         Convert BUILT_IN_SQRTF code only  when md_fn is false.
12373
12374 2007-06-18  Kaz Kojima  <kkojima@gcc.gnu.org>
12375
12376         * bt-load.c (move_btr_def): Fix the order of arguments
12377         to validate_replace_rtx.
12378
12379 2007-06-18  Nathan Sidwell  <nathan@codesourcery.com>
12380
12381         * config/m68k/m68k-devices.def: Add 54450..54455.
12382
12383 2007-06-17  Uros Bizjak  <ubizjak@gmail.com>
12384
12385         PR rtl-optimization/32366
12386         * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
12387         FLOAT_EXTEND]: Prevent non-scalar modes from entering
12388         significand_size.
12389
12390 2007-06-17  Kenneth Zadeck <zadeck@naturalbridge.com>
12391
12392         PR middle-end/32349
12393         * modulo-sched (generate_reg_moves): Added rescan parameter and if
12394         this is true, rescan insn being modified.
12395         (sms_schedule): Added rescan parameter.
12396         (rest_of_handle_sms): Moved freeing of dominance info to before
12397         getting out of cfg_layout.
12398
12399 2007-06-17  Nathan Sidwell  <nathan@codesourcery.com>
12400
12401         * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
12402         * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
12403         appropriate.
12404
12405         * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
12406         FL_CF_EMAC from the entry for isac.
12407
12408         * config/m68k/predicates.md (const_call_operand): Adjust comment.
12409         (const_sibcall_operand): New.
12410         (sibcall_operand): Use it.
12411         * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
12412         (m68k_isas): ISAC does not imply FPU or EMAC.
12413         (override_options): Add ISA_C logic for symbolic jump & call.
12414
12415 2007-06-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
12416
12417         * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
12418         return mode from the builtin itself.
12419         (sparc_fold_builtin): Fix cast of zero constant.
12420
12421 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
12422
12423         * targhooks.c (default_builtin_reciprocal): New default target hook.
12424         * targhooks.h (default_builtin_reciprocal): Add prototype.
12425         * hooks.c (hook_tree_tree_bool_null): Remove hook.
12426         * hooks.h (hook_tree_tree_bool_null): Remove prototype.
12427         * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
12428         default_builtin_reciprocal.
12429
12430 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
12431
12432         PR middle-end/31723
12433         * hooks.c (hook_tree_tree_bool_null): New hook.
12434         * hooks.h (hook_tree_tree_bool_null): Add prototype.
12435         * tree-pass.h (pass_convert_to_rsqrt): Declare.
12436         * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
12437         * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
12438         and convert it to reciprocal a*rfunc(b).
12439         (execute_convert_to_rsqrt): New function.
12440         (gate_convert_to_rsqrt): New function.
12441         (pass_convert_to_rsqrt): New pass definition.
12442         * target.h (struct gcc_target): Add builtin_reciprocal.
12443         * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
12444         (TARGET_INITIALIZER): Initialize builtin_reciprocal with
12445         TARGET_BUILTIN_RECIPROCAL.
12446         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
12447
12448         * config/i386/i386.h (TARGET_RECIP): New define.
12449         * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
12450         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12451         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12452         and not optimizing for size.
12453         (*rcpsf2_sse): New insn pattern.
12454         (*rsqrtsf2_sse): Ditto.
12455         (rsqrtsf2): New expander.  Expand by calling ix86_emit_swsqrtsf
12456         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12457         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12458         and not optimizing for size.
12459         (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
12460         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12461         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12462         and not optimizing for size.
12463         * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
12464         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12465         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12466         and not optimizing for size.
12467         (*sse_rsqrtv4sf2): Do not export.
12468         (sqrtv4sf2): Ditto.
12469         (sse_rsqrtv4sf2): New expander.  Expand by calling ix86_emit_swsqrtsf
12470         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12471         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12472         and not optimizing for size.
12473         (sqrtv4sf2): Ditto.
12474         * config/i386/i386.opt (mrecip): New option.
12475         * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
12476         (ix86_emit_swsqrtsf): Ditto.
12477         * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
12478         (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
12479         builtin definition.
12480         (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
12481         ix86_expand_unop1_builtin.
12482         (ix86_emit_swdivsf): New function.
12483         (ix86_emit_swsqrtsf): Ditto.
12484         (ix86_builtin_reciprocal): New function.
12485         (TARGET_BUILTIN_RECIPROCAL): Use it.
12486         (ix86_vectorize_builtin_conversion): Rename from
12487         ix86_builtin_conversion.
12488         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
12489         * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
12490         "i386 and x86_64 Options" section.
12491         (Intel 386 and AMD x86_64 Options): Document -mrecip.
12492
12493 2007-06-15  Andrew Pinski <andrew_pinski@playstation.sony.com>
12494             Zdenek Dvorak <dvorakz@suse.cz>
12495             Richard Guenther  <rguenther@suse.de>
12496             Kaz Kojima  <kkojima@gcc.gnu.org>
12497
12498         * tree-vrp.c (compare_values_warnv): Convert val2 to
12499         the type of val1.
12500         (extract_range_from_assert): Create
12501         POINTER_PLUS_EXPR for pointer types.
12502         (extract_range_from_binary_expr): Handle
12503         only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
12504         for pointer types.
12505         * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
12506         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
12507         POINTER_PLUS_EXPR as PLUS_EXPR.
12508         (number_of_iterations_lt_to_ne):
12509         For pointer types, use sizetype when
12510         creating MINUS_EXPR/PLUS_EXPRs.
12511         (assert_loop_rolls_lt): For pointer types, use sizetype when
12512         creating MINUS_EXPR/PLUS_EXPRs.
12513         (number_of_iterations_le): Likewise.
12514         (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
12515         (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
12516         like PLUS_EXPR and MINUS_EXPR.
12517         * tree-pretty-print.c (dump_generic_node): Handle
12518         POINTER_PLUS_EXPR.
12519         (op_prio): Likewise.
12520         (op_symbol_1): Likewise.
12521         * optabs.c (optab_for_tree_code): Likewise.
12522         * tree-ssa-loop-manip.c (create_iv): Handle pointer base
12523         specially.
12524         * tree-tailcall.c (process_assignment): Mention
12525         POINTER_PLUS_EXPR in a TODO comment.
12526         * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
12527         MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
12528         not used with a pointer and an integer type.
12529         * tree-scalar-evolution.c (add_to_evolution_1): Convert the
12530         increment using chrec_convert_rhs instead of chrec_convert.
12531         (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
12532         PLUS_EXPR except for the right hand side's type will be
12533         sizetype.
12534         (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
12535         (fold_used_pointer_cast): Kill.
12536         (pointer_offset_p): Kill.
12537         (fold_used_pointer): Kill.
12538         (pointer_used_p): Kill.
12539         (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
12540         call fold_used_pointer.
12541         (instantiate_parameters_1): Convert the increment
12542         using chrec_convert_rhs instead of chrec_convert.
12543         Handle POINTER_PLUS_EXPR as PLUS_EXPR.
12544         * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
12545         instead of PLUS_EXPR.
12546         (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
12547         PLUS_EXPR for pointers.
12548         (std_gimplify_va_arg_expr): Likewise.
12549         (fold_builtin_memory_op): Likewise.
12550         (fold_builtin_strstr): Likewise.
12551         (fold_builtin_strchr): Likewise.
12552         (fold_builtin_strrchr): Likewise.
12553         (fold_builtin_strpbrk): Likewise.
12554         (expand_builtin_memory_chk): Likewise.
12555         (fold_builtin_memory_chk): Likewise.
12556         (std_expand_builtin_va_start): Use
12557         sizetype for the call to make_tree and then convert
12558         to the pointer type.
12559         (fold_builtin_memchr): Use POINTER_PLUS_EXPR
12560         instead of PLUS_EXPR for adding to a pointer.
12561         (std_gimplify_va_arg_expr): Use fold_build2 for
12562         the creating of POINTER_PLUS_EXPR.  For the BIT_AND_EXPR, cast
12563         the operands to sizetype first and then cast the BIT_AND_EXPR
12564         back to the pointer type.
12565         * fold-const.c (build_range_check): Handle pointer types
12566         specially.
12567         (extract_array_ref): Look for POINTER_PLUS_EXPR instead
12568         of PLUS_EXPR's. Make sure the offset is converted to
12569         sizetype.
12570         (try_move_mult_to_index): Strip the NOPs from the offset.
12571         Remove code argument and replace all uses with PLUS_EXPR.
12572         (fold_to_nonsharp_ineq_using_bound): Handle pointer types
12573         specially. Don't use a pointer type for MINUS_EXPR.
12574         (fold_unary): Handle for (T1)(X op Y),
12575         only p+ as that is the only as that can be handled for
12576         binary operators now.
12577         (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
12578         POINTER_PLUS_EXPR.
12579         <case PLUS_EXPR>: Add folding of PTR+INT into
12580         PTR p+ INT.
12581         Don't call try_move_mult_to_index.
12582         <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
12583         into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
12584         (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
12585         Don't call try_move_mult_to_index.
12586         (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
12587         (tree_expr_nonzero_p): Likewise.
12588         (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
12589         of PLUS_EXPR for the complex expression folding.
12590         * tree-chrec.c (chrec_fold_plus_poly_poly): If the
12591         first chrec is a pointer type, then the second should
12592         be sizetype and not the first's type.
12593         For POINTER_PLUS_EXPR, use a different right hand side type.
12594         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12595         (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
12596         different right hand side type.
12597         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12598         (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
12599         instead of PLUS_EXPR.
12600         When either operand is zero, convert the other operand.
12601         (chrec_apply): Use chrec_convert_rhs
12602         on the argument x instead of chrec_convert.
12603         (reset_evolution_in_loop): For pointer types, the new_evol
12604         should be sizetype.
12605         (convert_affine_scev): For POINTER_PLUS_EXPR, use a
12606         different right hand side type.
12607         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12608         (chrec_convert_rhs): New function.
12609         (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
12610         different right hand side type.
12611         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12612         * tree-chrec.h (chrec_convert_rhs): New prototype.
12613         (build_polynomial_chrec): For pointer types, the right hand
12614         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
12615         POINTER_PLUS_EXPR instead of PLUS_EXPR's.
12616         Remove subtraction case as it is always addition now.
12617         Make sure the offset is converted to sizetype.
12618         (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
12619         Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
12620         * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
12621         PLUS_EXPR in pointer type.
12622         Handle POINTER_PLUS_EXPR.
12623         (tree_to_aff_combination): Likewise.
12624         (force_expr_to_var_cost): Likewise.
12625         (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
12626         instead of PLUS_EXPR for pointers.
12627         * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
12628         instead of PLUS_EXPR of pointer types.
12629         * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
12630         as PLUS_EXPR.
12631         (check_va_list_escapes): Likewise.
12632         (check_all_va_list_escapes): Likewise.
12633         * dwarf2out.c (loc_descriptor_from_tree_1):
12634         Handle POINT_PLUS_EXPR as a PLUS_EXPR.
12635         * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
12636         (string_constant): Likewise.
12637         * tree-ssa-address.c (tree_mem_ref_addr): When adding
12638         the offset to the base, use POINTER_PLUS_EXPR.
12639         (add_to_parts): Convert the index to sizetype.
12640         (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
12641         * matrix-reorg.c (collect_data_for_malloc_call): Stmt
12642         will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
12643         Offset only holds something for PLUS_EXPR.
12644         (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
12645         a PLUS_EXPR.
12646         (analyze_transpose): POINTER_PLUS_EXPR will only show up now
12647         and not PLUS_EXPR.
12648         (analyze_accesses_for_modify_stmt): Likewise.
12649         Remove comment about the type being integral type as it is
12650         wrong now.
12651         (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
12652         PLUS_EXPR.
12653         (transform_access_sites): POINTER_PLUS_EXPR will only show up now
12654         and not PLUS_EXPR.
12655         Correct the type which the artimentic is done in (is now
12656         sizetype).
12657         Reindent one loop.
12658         * tree-data-ref.c (split_constant_offset): Handle
12659         POINTER_PLUS_EXPR
12660         * tree-affine.c (tree_to_aff_combination): Likewise.
12661         * c-typeck.c (build_unary_op): For pointers create the increment
12662         as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
12663         for pointers.
12664         * gimplify.c (gimplify_self_mod_expr): Create a
12665         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12666         (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
12667         * tree.def (POINTER_PLUS_EXPR): New tree code.
12668         * tree-predcom.c (ref_at_iteration): If we have a pointer
12669         type do the multiplication in sizetype.
12670         * tree-mudflap.c (mf_xform_derefs_1): Create a
12671         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12672         * tree-ssa-forwprop.c
12673         (forward_propagate_addr_into_variable_array_index):
12674         Don't expect there to be a cast for the index as that
12675         does not exist anymore.
12676         (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
12677         instead of PLUS_EXPR.
12678         Don't check for the first operand of the POINTER_PLUS_EXPR
12679         was the index as it cannot be.
12680         Call forward_propagate_addr_into_variable_array_index with
12681         the SSA_NAME instead of the statement.
12682         * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
12683         (compare_constant): Likewise.
12684         (copy_constant): Likewise.
12685         (compute_reloc_for_constant): Likewise.
12686         (output_addressed_constants): Likewise.
12687         (initializer_constant_valid_p): Likewise.
12688         * tree-ssa.c (tree_ssa_useless_type_conversion_1):
12689         Convert the MIN/MAX of the inner type to the outer
12690         type before comparing them.
12691         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
12692         POINTER_PLUS_EXPR instead of PLUS_EXPR.
12693         (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
12694         of PLUS_EXPR for pointers.
12695         * tree-inline.c (estimate_num_insns_1): Handle
12696         POINTER_PLUS_EXPR.
12697         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
12698         Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12699         (bump_vector_ptr): Create a POINTER_PLUS_EXPR
12700         instead of PLUS_EXPR for the pointer increment statement.
12701         (vect_update_ivs_after_vectorizer): For pointer types, create
12702         POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
12703         MULT_EXPR in sizetype.
12704         (vect_gen_niters_for_prolog_loop): Add a cast when creating
12705         byte_misalign.
12706         * tree-object-size.c (plus_expr_object_size): Handle
12707         POINTER_PLUS_EXPR instead of PLUS_EXPR.  Removing all the extra
12708         code which is trying to figure out which side is a pointer and
12709         is the index.
12710         (check_for_plus_in_loops_1): Likewise.
12711         (check_for_plus_in_loops): Likewise.
12712         * c-common.c (pointer_int_sum): Create a
12713         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12714         * tree-ssa-structalias.c (handle_ptr_arith): Handle
12715         only POINTER_PLUS_EXPR.  Removing all the extra
12716         code which is trying to figure out which side is a pointer and
12717         is the index.
12718         * tree-cfg.c (verify_expr): Add extra checking for pointers and
12719         PLUS_EXPR and MINUS_EXPR.
12720         Also add checking to make sure the operands of POINTER_PLUS_EXPR
12721         are correct.
12722         * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
12723         with make_tree, instead of a pointer type.
12724         * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
12725         for pointers instead of PLUS_EXPR.
12726         (s390_gimplify_va_arg): Likewise.
12727         * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
12728         instead of PLUS_EXPR when doing addition on pointer
12729         types.  Use sizetype for the second operand.
12730         (spu_gimplify_va_arg_expr): Likewise.
12731         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
12732         POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
12733         a pointer.  Don't create a BIT_AND_EXPR for pointer types.
12734         * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
12735         for the pointer addition and also use size_int/sizetype
12736         for the offset.
12737         (ix86_gimplify_va_arg): Likewise.
12738         Perform BIT_AND_EXPR on sizetype arguments.
12739         * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
12740         and convert its result to a pointer type.  Use POINTER_PLUS_EXPR
12741         for the pointer additions and also use size_int for the offsets.
12742         (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
12743         additions and also use size_int for the offsets.  Perform
12744         BIT_AND_EXPR on sizetype arguments.
12745         * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
12746         POINTER_PLUS_EXPR for pointers and create the
12747         BIT_AND_EXPR in sizetype.
12748         * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
12749         instead of PLUS_EXPR for pointer addition.
12750         (rs6000_va_start): Likewise.
12751         Also use sizetype for the offset.
12752         * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
12753         as PLUS_EXPR/MINUS_EXPR.
12754         (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
12755         PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
12756         Don't use BIT_AND_EXPR on a pointer type, convert the
12757         expression to sizetype first.
12758         * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
12759         for pointers.
12760         (mips_gimplify_va_arg_expr): Likewise.
12761         Don't create BIT_AND_EXPR in a pointer type.
12762
12763 2007-06-15  Eric Christopher  <echristo@apple.com>
12764
12765         * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
12766         (x86_64-*-darwin*): Ditto.
12767         * config/i386/darwin.h (CRTEND_SPEC): New. Add support
12768         for above.
12769
12770 2007-06-15  Matthew Wilcox <matthew@wil.cx>
12771
12772         * doc/extend.texi: Document behavior of __attribute__((aligned))
12773         on typedefs.
12774
12775 2007-06-15  Mark Mitchell  <mark@codesourcery.com>
12776
12777         * rtlanal.c (note_stores): Improve documentation.
12778
12779 2007-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12780
12781         * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
12782         LOCAL_LABEL_PREFIX): Delete.
12783         * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
12784         (bfin_internal_label): Delete.
12785
12786 2007-06-15  Uros Bizjak  <ubizjak@gmail.com>
12787
12788         * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
12789         define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
12790         otherwise define to LIBGCC2_TF_CEXT.
12791         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
12792         (LIBGCC_TF_CEXT): Ditto.
12793         (TF_SIZE): Ditto.
12794
12795 2007-06-14  Seongbae Park  <seongbae.park@gmail.com>
12796
12797         PR rtl-optimization/32339
12798         * df-scan.c (df_uses_record): Don't modify flags but just add to
12799         it for df_ref_record.
12800
12801 2007-06-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12802
12803         * tree-mudflap.c: Fix whitespace issues.
12804
12805 2007-06-15  Kazu Hirata  <kazu@codesourcery.com>
12806
12807         * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
12808
12809 2007-06-14  Eric Christopher  <echristo@apple.com>
12810
12811         * config/i386/sse.md (movdi_to_sse): Rewrite body.
12812         (movv4sf): Use gcc_unreachable instead of abort.
12813
12814 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12815
12816         PR target/32268
12817         * config/i386/sfp-machine.h (CMPtype): New define.
12818         (mach stubs): Use CMPtype instead of int as a return type.
12819
12820 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12821
12822         * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
12823         config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
12824         config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
12825         config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
12826         config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
12827         config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
12828         config/soft-fp/soft-fp.h: Update from glibc CVS.
12829
12830 2007-06-14  Bernd Schmidt  <bernd.schmidt@analog.com>
12831
12832         * config/bfin/uclinux.h (MFWRAP_SPEC): New.
12833
12834 2007-06-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12835
12836         PR target/32341
12837         * config/v850/v850.c: Include dataflow header file.
12838         (substitute_ep_register): Fix typo.
12839
12840 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12841
12842         * configure.ac: Fix earlier checkin.
12843         * configure: Regenerated.
12844
12845 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12846
12847         * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
12848         * aclocal.m4: Regenerate.
12849         * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
12850         ACX_PROG_CC_WARNINGS_ARE_ERRORS,
12851         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
12852         * configure: Regenerate.
12853         * Makefile.in (LOOSE_WARN): Subst loose_warn.
12854
12855         * Makefile.in (quickstrap): Build libgcc too.
12856
12857 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12858
12859         * configure.ac: Add --enable-checking=df.  Explicitly mention that
12860         the variables are initialized as for "release".
12861         * df-core.c: Use it.
12862         * configure: Regenerate.
12863         * config.in: Regenerate.
12864
12865 2007-06-14  Bob Wilson  <bob.wilson@acm.org>
12866
12867         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
12868         validate_replace_rtx instead of replace_rtx.
12869         (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
12870
12871 2007-06-14  Danny Smith  <dannysmith@users.sourceforge.net>
12872
12873         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
12874         (DWARF2_UNWIND_INFO): Override default if configured with
12875         SJLJ EH disabled.
12876         * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
12877         (ENDFILE_SPEC): Add crtend.o.
12878         * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
12879         (ENDFILE_SPEC): Add crtend.o.
12880         (TARGET_USE_JCR_SECTION): Define.
12881         (MD_UNWIND_SUPPORT): Define for 32-bit target.
12882
12883         * config/i386/cygming-crtbegin.c: New file.
12884         * config/i386/cygming-crtend.c: New file.
12885
12886 2007-06-14  Pascal Obry Pascal Obry  <obry@adacore.com>
12887
12888         * config/i386/w32-unwind.h: New file.
12889
12890 2007-06-13  Eric Christopher  <echristo@apple.com>
12891
12892         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
12893         the user set a value below STACK_BOUNDARY.
12894
12895 2007-06-13  Thiemo Seufer  <ths@networkno.de>
12896
12897         * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
12898         imply -lpthread for -pthread.
12899
12900 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12901
12902         * basic-block.h: Remove the prototype for
12903         free_basic_block_vars.
12904         * cfglayout.h: Remove the prototype for
12905         insn_locators_initialize.
12906         * tree.h: Remove the prototype for emit_line_note.
12907
12908         * tree-ssa-pre.c (mergephitemp): Remove.
12909         (init_pre): Don't use mergephitemp.
12910
12911 2007-06-13  Eric Christopher  <echristo@apple.com>
12912
12913         * config/i386/i386.c (override_options): If we've specified
12914         an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
12915
12916 2007-06-13  Bob Wilson  <bob.wilson@acm.org>
12917
12918         * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
12919         is defined.
12920
12921 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12922
12923         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
12924         * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
12925         (eh_store_handler): New pattern.
12926         (eh_return): Emit it instead of a plain move.
12927
12928 2007-06-13  Uros Bizjak  <ubizjak@gmail.com>
12929
12930         * config/i386/i386.c (ix86_init_mmx_sse_builtins)
12931         [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
12932         [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
12933         def_builtin_const.
12934
12935 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12936
12937         * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
12938         (find_next_insn_start, find_load): New functions.
12939         (bfin_reorg): Use them to deal with the fact that parallel insns are
12940         no longer represented as a SEQUENCE.
12941
12942 2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12943
12944         * config/sparc/sparc.c (sparc_override_options): Initialize
12945         fpu mask correctly.
12946
12947 2007-06-13  Dave Korn  <dave.korn@artimi.com>
12948
12949         * config/i386/i386.c (ix86_eax_live_at_start_p): Use
12950         df_get_live_out.
12951
12952 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12953
12954         * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
12955         config/sh/divcost-analysis, dbgcnt.def, df-core.c,
12956         df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
12957         tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
12958         tree-vect-transform.c: Fix comment typos.  Follow spelling
12959         conventions.
12960
12961 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12962
12963        * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
12964        to the exit block use set.
12965        (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
12966        * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
12967        * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
12968
12969 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12970
12971         * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
12972         * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
12973         to indicate an error.
12974         (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
12975         New functions.
12976         (dbg_cnt_process_opt): Print an error on a bad argument.
12977         * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
12978         * common.opt (-fdbg-cnt-list): New.
12979         * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
12980
12981 2007-06-12  Eric Botcazou  <ebotcazou@adacore.com>
12982
12983         * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
12984         flag on ref-all pointers.
12985
12986 2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12987
12988         PR middle-end/31579
12989         * expr.c (expand_expr_addr_expr_1): Call expand_expr
12990         for the offset with the modifier as EXPAND_INITIALIZER
12991         if the modifier is EXPAND_INITIALIZER.
12992         (expand_expr_real_1 <case INTEGER_CST>): Don't force to
12993         a register if we had an overflow.
12994
12995 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12996
12997         * real.c (real_isfinite): New.
12998         (real_sqrt): Use it.
12999         * real.h (real_isfinite): New.
13000         * builtins.c: Use it.
13001
13002 2007-06-12  Ian Lance Taylor  <iant@google.com>
13003             Daniel Berlin  <dberlin@dberlin.org>
13004
13005         PR libstdc++/29286
13006         * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
13007         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
13008         (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
13009         (DECL_NO_TBAA_P): Define.
13010         (struct tree_decl_common): Add no_tbaa_flag field.
13011         * tree-ssa-structalias.c (struct variable_info): Add
13012         no_tbaa_pruning field.
13013         (new_var_info): Initialize no_tbaa_pruning field.
13014         (unify_nodes): Copy no_tbaa_pruning field.
13015         (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
13016         (dump_solution_for_var): Print no_tbaa_pruning flag.
13017         (set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
13018         callers.
13019         (compute_tbaa_pruning): New static function.
13020         (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
13021         Call compute_tbaa_pruning.
13022         * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
13023         * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
13024         * gimple-low.c (lower_stmt): Likewise.
13025         * tree-gimple.c (is_gimple_stmt): Likewise.
13026         * tree-ssa-operands.c (get_expr_operands): Likewise.
13027         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
13028         * tree-inline.c (estimate_num_insns_1): Likewise.
13029         (copy_result_decl_to_var): Likewise.
13030         * expr.c (expand_expr_real_1): Likewise.
13031         * tree-pretty-print.c (dump_generic_node): Likewise.
13032         * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
13033         * omp-low.c (omp_copy_decl_2): Likewise.
13034         * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
13035         * doc/c-tree.texi (Expression trees): Document
13036         CHANGE_DYNAMIC_TYPE_EXPR.
13037
13038 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13039
13040         * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
13041         with !HONOR_NANS and !HONOR_INFINITIES.
13042         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
13043
13044 2007-06-12  Tristan Gingold  <gingold@adacore.com>
13045
13046         * gcov.c: Comments updated.
13047         (source_info): Add file_time field.
13048         (source_index): New variable.
13049         (mutiple_files): New variable.
13050         (generate_results): New function extracted from process_file.
13051         (process_file): Save and restore chain of functions, generate
13052         results and free structures only if not merging results.
13053         (release_structures): File names are now freed in create_file_names
13054         (create_file_names): Free previous file names.
13055         (find_source): File date is now read here and modifications in
13056         source files is checked here.
13057         (read_graph_file): Only reverse order of functions for the current
13058         object file.
13059         (make_gcov_file_name): Do not generate long names if input_name is
13060         NULL.
13061         (output_lines): If merging results do not display graph, data and
13062         runs informations.
13063         Checking source file modification is done in find_source.
13064
13065         * doc/gcov.texi: Append an s to sourcefile.
13066
13067 2007-06-12  Bernd Schmidt  <bernd.schmidt@analog.com>
13068
13069         * config/bfin/bfin.md (UNSPEC_NOP): New constant.
13070         (forced_nop): New pattern.
13071         * config/bfin/bfin.c: Include "df.h".
13072         (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
13073         (bfin_discover_loop): Use df_get_live_in instead of
13074         global_live_at_start.
13075         (bfin_reorder_loops): Pass 0 to cfg_layout_initialize.  Call
13076         df_analyze when done.
13077         (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
13078         the insns.  Use QImode for the final insn in a bundle.  Call
13079         df_insn_rescan on generated NOPs; use gen_forced_nop instead of
13080         gen_nop.
13081         (reorder_var_tracking_notes): New function.
13082         (bfin_reorg): Pass no argument to split_all_insns.  Don't call
13083         update_life_info.  Call df_analyze after scheduling and bundle
13084         generation.  Call reorder_var_tracking_notes if generating these
13085         notes.  Call df_finish_pass at the end.
13086
13087 2007-06-12  Dirk Mueller  <dmueller@suse.de>
13088
13089         * optabs.c (debug_optab_libfuncs): fix gcc_assert to
13090         a comparison, not an assignment.
13091
13092 2007-06-12  Olivier Hainque  <hainque@adacore.com>
13093
13094         * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
13095         Request walking the subtrees only, leaving the current is_lhs/val_only
13096         untouched.
13097         (convert_non_local_reference): Likewise.
13098
13099 2007-06-12  Nathan Sidwell  <nathan@codesourcery.com>
13100
13101         * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
13102
13103 2007-06-12  Richard Guenther  <rguenther@suse.de>
13104
13105         PR tree-optimization/15353
13106         PR tree-optimization/31657
13107         * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
13108         * timevar.def: Add TV_TREE_IFCOMBINE.
13109         * tree-pass.h (pass_tree_ifcombine): Declare.
13110         * tree-ssa-ifcombine.c: New file.
13111         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
13112         * tree-flow.h (blocks_in_phiopt_order): Declare.
13113         * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
13114         (tree-ssa-ifcombine.o): New dependencies.
13115
13116 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
13117
13118         PR rtl-optimization/32293
13119         * combine.c (simplify_if_then_else): Truncate return from
13120         nonzero_bits() to correct mode.
13121
13122 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
13123
13124         * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
13125         into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
13126
13127 2007-06-11  Diego Novillo  <dnovillo@google.com>
13128
13129         * Makefile.in (reload1.o-warn): Remove.
13130
13131 2007-06-11  Seongbae Park <seongbae.park@gmail.com>
13132
13133         * combine.c (subst): Use reg_overlap_mentioned_p
13134         instead of comparing register numbers directly.
13135
13136 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
13137
13138         * reload1.c (mark_home_live_1): Use the mode parameter.
13139
13140 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
13141
13142         * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
13143         df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
13144         word "deferred".
13145         * df-core.c: Ditto.
13146
13147 2007-06-11  Daniel Berlin  <dberlin@dberlin.org>
13148
13149         * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
13150
13151 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
13152
13153         * config/i386/i386.md ("*movtf_internal): Penalize moves to and
13154         from integer registers.
13155         (FP mode splitters): Handle TFmode.
13156
13157 2007-06-11  Eric Botcazou  <ebotcazou@adacore.com>
13158
13159         * tree-ssa-structalias.c (find_what_p_points_to): Return false
13160         for ref-all pointers that point-to anything.
13161
13162 2007-06-11  Joseph Myers  <joseph@codesourcery.com>
13163
13164         * config/arm/arm.c (arm_output_dwarf_dtprel,
13165         TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
13166
13167 2007-06-11  Bernd Schmidt  <bernd.schmidt@analog.com>
13168
13169         * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
13170         movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
13171         to memory moves.
13172
13173 2007-06-11  Rafael Avila de Espindola  <espindola@google.com>
13174
13175         * tree.c (signed_or_unsigned_type_for): New.
13176         (unsigned_type_for): Use signed_or_unsigned_type_for.
13177         (signed_type_for): Use signed_or_unsigned_type_for.
13178         * tree.h (signed_or_unsigned_type_for): New.
13179         (get_signed_or_unsigned_type): Remove.
13180         * fold-const.c (fold_negate_expr): Use signed_type_for instead of
13181         lang_hooks.types.signed_type
13182         (size_diffop): Likewise.
13183         (all_ones_mask_p): Likewise.
13184         (build_range_check): Likewise.
13185         (fold_cond_expr_with_comparison): Likewise.
13186         (fold_cond_expr_with_comparison): Likewise.
13187         (unextend): Likewise.
13188         (extract_muldiv_1): Likewise.
13189         (fold_single_bit_test_into_sign_test): Likewise.
13190         (fold_binary): Likewise.
13191         (fold_ternary): Likewise.
13192         (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
13193         instead of get_signed_or_unsigned_type.
13194         * c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
13195         (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
13196         * expr.c (signed_or_unsigned_type_for): Use
13197         signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
13198         * langhooks.c (get_signed_or_unsigned_type): Remove.
13199         (lhd_signed_or_unsigned_type): Remove.
13200         * langhooks.h (lang_hooks_for_types): Remove signed_type and
13201         signed_or_unsigned_type.
13202         (lhd_signed_or_unsigned_type): Remove.
13203         * expmed.c (make_tree): Use signed_type_for instead of
13204         lang_hooks.types.signed_type.
13205         * c-common.c (same_scalar_type_ignoring_signedness): Use
13206         c_common_signed_type instead of lang_hooks.types.signed_type.
13207         (c_common_unsigned_type): New.
13208         (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
13209         (shorten_compare): Use c_common_unsigned_type instead of
13210         c_common_signed_or_unsigned_type.
13211         (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
13212         unsigned_type_for.
13213         * convert.c (convert_to_integer): Use signed_type_for instead of
13214         lang_hooks.types.signed_type.
13215         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
13216         (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
13217         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
13218         * c-format.c (check_format_types): Use c_common_unsigned_type
13219         instead of unsigned_type_for.
13220         * c-decl.c (groakdeclarator): Likewise.
13221         * c-typeck.c (convert_for_assignment): Likewise.
13222         * c-common.h (c_common_unsigned_type): New.
13223
13224 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
13225
13226         PR target/32280
13227         * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
13228         * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
13229
13230 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
13231
13232         PR middle-end/32279
13233         * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
13234         into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
13235
13236 2007-06-10  Jan Sjodin  <jan.sjodin@amd.com>
13237             Sebastian Pop  <sebpop@gmail.com>
13238
13239         * lambda-code.c (remove_iv): New.
13240         (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
13241
13242 2007-06-10  Zdenek Dvorak  <dvorakz@suse.cz>
13243
13244         * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
13245         * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
13246         * tree-ssa-loop-prefetch.c: Include optabs.h.
13247         (FENCE_FOLLOWING_MOVNT): New macro.
13248         (struct mem_ref): Add independent_p and storent_p fields.
13249         (record_ref): Initalize the new fields.
13250         (gather_memory_references_ref): Return true if the reference
13251         could be analysed.
13252         (gather_memory_references): Check whether all memory accesses
13253         in loop were recorded.
13254         (should_issue_prefetch_p): Return false for nontemporal stores.
13255         (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
13256         may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
13257         (determine_loop_nest_reuse): Detect independent memory references.
13258         (loop_prefetch_arrays): Call mark_nontemporal_stores.
13259         * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
13260         * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
13261         * config/i386/i386.h (x86_mfence): Declare.
13262         (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
13263         * config/i386/i386.c (x86_mfence): New variable.
13264         (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
13265
13266         * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
13267         * optabs.c (init_optabs): Initialize storent_optab.
13268         * optabs.h (enum optab_index): Add OTI_storent.
13269         (storent_optab): Declare.
13270         * genopinit.c (optabs): Add initialization for storent_optab.
13271         * tree.h (MOVE_NONTEMPORAL): New macro.
13272         * expr.c (expand_assignment, store_expr, store_constructor_field,
13273         store_constructor, store_field, expand_expr_real_1): Propagate
13274         nontemporality of the expanded store.
13275         (emit_storent_insn): New function.
13276         * expr.h (expand_assignment, store_expr): Declaration changed.
13277         * function.c (assign_parm_setup_reg): Pass false as nontemporality
13278         to expand_assignment.
13279         * stmt.c (expand_asm_expr): Ditto.
13280         * calls.c (initialize_argument_information): Pass false as
13281         nontemporality to store_expr.
13282         * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
13283         storentsi): New.
13284
13285 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
13286
13287         * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
13288         parameter, use it.
13289         (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
13290
13291 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
13292
13293         * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
13294         and allow DECL_P here.
13295
13296 2007-06-09  Zdenek Dvorak  <dvorakz@suse.cz>
13297
13298         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
13299         follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
13300         track of the size of the expression.
13301         * cfghooks.c (merge_blocks): Remove block from loops structure only
13302         after call of the merge_blocks hook.
13303
13304 2007-06-09  Tom Tromey  <tromey@redhat.com>
13305
13306         * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
13307         (deprecated_state): Removed.
13308         (start_decl): Update.
13309         (enum deprecated_states): Moved earlier.
13310         (groktypename): Update.
13311         (push_parm_decl): Likewise.
13312         (grokfield): Likewise.
13313         (start_function): Likewise.
13314
13315 2007-06-09  Ian Lance Taylor  <iant@google.com>
13316
13317         PR tree-optimization/32169
13318         * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
13319         CONVERT_EXPR, check whether min and max both converted to an
13320         overflow infinity representation.
13321
13322 2007-06-08  Eric Botcazou  <ebotcazou@adacore.com>
13323
13324         * reload1.c (fixup_abnormal_edges): Clear bb field for insns
13325         not inserted on the edge.
13326
13327 2007-06-08  Bob Wilson  <bob.wilson@acm.org>
13328
13329         * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
13330         instructions if they are supported.
13331         (__divsi3, __umodsi3, __modsi3): Likewise.
13332         (__ashldi3, __ashrdi3, __lshrdi3): New.
13333         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
13334
13335 2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>
13336             Tony Linthicum <tony.linthicum@amd.com>
13337
13338         * doc/invoke.texi: Add fvect-cost-model flag.
13339         * common.opt (fvect-cost-model): New flag.
13340         * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
13341         cost fields in stmt_vec_info struct for STMT.
13342         * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
13343         fields in stmt_vec_info struct and access functions for the same.
13344         (TARG_COND_BRANCH_COST): Define cost of conditional branch.
13345         (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
13346         load, store and vector to scalar operation.
13347         (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
13348         (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
13349         (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
13350         (TARG_VEC_STORE_COST): Define cost of vector store.
13351         (vect_estimate_min_profitable_iters): Define new function.
13352         * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
13353         check to evaluate if loop iterations are less than minimum profitable
13354         iterations determined by cost model or minimum vect loop bound defined
13355         by user, whichever is more conservative.
13356         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
13357         run-time check to evaluate if loop iterations are less than minimum
13358         profitable iterations determined by cost model or minimum vect loop
13359         bound defined by user, whichever is more conservative.
13360         (vect_estimate_min_profitable_iterations): New function to estimate
13361         mimimimum iterartions required for vector version of loop to be
13362         profitable over scalar version.
13363         (vect_model_reduction_cost): New function.
13364         (vect_model_induction_cost): New function.
13365         (vect_model_simple_cost): New function.
13366         (vect_cost_strided_group_size): New function.
13367         (vect_model_store_cost): New function.
13368         (vect_model_load_cost): New function.
13369         (vectorizable_reduction): Call vect_model_reduction_cost during
13370         analysis phase.
13371         (vectorizable_induction): Call vect_model_induction_cost during
13372         analysis phase.
13373         (vectorizable_load): Call vect_model_load_cost during analysis phase.
13374         (vectorizable_store): Call vect_model_store_cost during analysis phase.
13375         (vectorizable_call, vectorizable_assignment, vectorizable_operation,
13376         vectorizable_promotion, vectorizable_demotion): Call
13377         vect_model_simple_cost during analysis phase.
13378
13379 2007-06-08  Simon Baldwin  <simonb@google.com>
13380
13381         * reg-stack.c (get_true_reg): Readability change.  Moved default case
13382         label into direct switch statement scope.
13383
13384 2007-06-08  Simon Baldwin  <simonb@google.com>
13385
13386         * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
13387         in gcc_assert() with '==' comparison.
13388
13389 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13390
13391         * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
13392         TARGET_ABM handling of x86_popcnt variable.
13393
13394 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13395
13396         * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
13397         __builtin_copysignq and __builtin_infq built-in functions.
13398
13399 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13400
13401         * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
13402         SSE4.2 section.  Correct built-in function names in SSE4A section.
13403
13404 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13405
13406         PR tree-optimization/32243
13407         * tree-vect-transform.c (vectorizable_type_promotion): Move check
13408         for ncopies after ratio check between nunits_out and nunits_in.
13409         (vectorizable_type_demotion): Remove single-use variable "scalar_type".
13410
13411 2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
13412
13413         PR tree-optimization/32224
13414         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
13415         vectorization upon a non GIMPLE_MODIFY_STMT.
13416
13417 2007-06-08  Christian Bruel  <christian.bruel@st.com>
13418
13419         PR target/29953
13420         * config/sh/sh.md (doloop_end): New pattern and splitter.
13421         * loop-iv.c (simple_rhs_p): Check for hardware registers.
13422
13423 2007-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
13424
13425         PR middle-end/32209
13426         * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
13427         functions.
13428         (verify_dominators): Do not change dominance tree.
13429
13430 2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
13431
13432         * config/sh/constraints.md: New file.
13433         * config/sh/sh.c: Include tm-constrs.h.
13434         (reg_class_from_letter): Remove.
13435         (prepare_cbranch_operands): Use satisfies_constraint_*
13436         function instead of macro.
13437         (andcosts, broken_move, sh_secondary_reload): Likewise.
13438         * config/sh/predicates.md (trapping_target_operand): Likewise.
13439         (and_operand, arith_operand, arith_reg_or_0_operand,
13440         cmp_operand, logical_operand, target_operand,
13441         ua_address_operand, ua_offset, xor_operand): Likewise.
13442         * config/sh/sh.md: Include constraints.md.
13443         (*movsicc_t_false): Use satisfies_constraint_* function
13444         instead of macro.
13445         (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
13446         lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
13447         movdi_const_16bit+1, beq, bne, *ptb): Likewise.
13448         * config/sh/sh.h (reg_class_from_letter): Remove prototype.
13449         (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
13450         (REG_CLASS_FROM_CONSTRAINT): Remove.
13451         (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
13452         CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
13453         CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
13454         CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
13455         CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
13456         (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
13457         function instead of macro.
13458         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
13459         (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
13460         EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
13461         EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
13462         (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
13463         (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
13464         (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
13465         (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
13466         (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
13467         EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
13468         EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
13469         EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
13470         EXTRA_CONSTRAINT_STR): Likewise.
13471         (GO_IF_LEGITIMATE_INDEX): Fix indentation.
13472
13473 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
13474
13475         * config/i386/darwin.h (STACK_BOUNDARY): Define.
13476
13477 2007-06-07  Simon Martin  <simartin@users.sourceforge.net>
13478
13479         PR c++/30759
13480         * c-common.h (flag_cpp0x): Replaced by...
13481         (cxx_dialect): ... this new variable specifying the C++ dialect that
13482         is used.
13483         * c-common.c (flag_cpp0x): Removed.
13484         (cxx_dialect): Defined.
13485         * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
13486         cxx_dialect.
13487         * c-opts.c (c_common_post_options): Likewise.
13488         (set_std_cxx98): Set cxx_dialect to cxx98.
13489         (set_std_cxx0x): Set cxx_dialect to cxx0x.
13490
13491 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
13492             Hui-May Chang <hm.chang@apple.com>
13493
13494         * doc/invoke.texi (Darwin Options): Update documentation for
13495         -mmacosx-version-min.
13496         * config.gcc (*-*-darwin*): Set extra_gcc_objs.
13497         * config/darwin-driver.c: New file.
13498         * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
13499         * config/t-darwin (darwin-driver.o): New rule.
13500
13501         * config/darwin-c.c (version_as_macro): Ignore low digit.
13502
13503 2007-06-07  Uros Bizjak  <ubizjak@gmail.com>
13504
13505         * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
13506         (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
13507         (CSGNMODE): New mode macro.
13508         (CSGNVMODE): New mode attribute.
13509         (copysign<mode>3): Rename from copysingsf3 and copysigndf3.  Macroize
13510         expander using CSGNMODE mode macro.  Handle TFmode.
13511         (copysign<mode>3_const): Rename from copysignsf3_const and
13512         copysigndf3_const.  Macroize pattern using CSGNMODE mode macro.
13513         Handle TFmode.
13514         (copysign<mode>3_var): Rename from copysignsf3_var and
13515         copysigndf3_var.  Macroize pattern using CSGNMODE mode macro.
13516         Handle TFmode.
13517         (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
13518         mode macro.  Handle TFmode.
13519         * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
13520         (iortf3, *iortf3): Ditto.
13521         (xortf3, *xortf3): Ditto.
13522         * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
13523         TFmode and TImode masks.
13524         (ix86_expand_copysign): Expand TFmode copysign insn.
13525         (IX86_BUILTIN_INFQ): New.
13526         (IX86_BUILTIN_FABSQ): Ditto.
13527         (IX86_BUILTIN_COPYSIGNQ): Ditto.
13528         (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
13529         [__builtin_fabsq]: Ditto.
13530         [__builtin_copysignq]: Ditto.
13531         (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
13532         [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
13533         [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
13534         ix86_expand_binop_builtin().
13535
13536 2007-06-07  Bob Wilson  <bob.wilson@acm.org>
13537
13538         * config/xtensa/lib1funcs.asm: Clean up whitespace.
13539
13540 2007-06-07  Steve Ellcey  <sje@cup.hp.com>
13541
13542         PR target/31850
13543         * rtl.h (push_to_sequence2): New.
13544         * emit-rtl.c (push_to_sequence2): New.
13545         * function.c (assign_parm_data_all): Add new fields.
13546         (assign_parm_setup_block): Call push_to_sequence2 instead of
13547         push_to_sequence.
13548         (assign_parm_setup_reg): Ditto.
13549         (assign_parm_setup_stack): Ditto.
13550         (assign_parms_unsplit_complex): Ditto.
13551         (assign_parms): Change field name.
13552
13553 2007-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
13554
13555         PR tree-optimization/32220
13556         * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
13557         phi node is reached before defining statement.
13558
13559 2007-06-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13560
13561         PR tree-opt/32231
13562         * tree-vect-transform.c (vectorizable_call): Call update_stmt
13563         after changing the right hand side of the assignment.
13564
13565 2007-06-06  Eric Christopher  <echristo@apple.com>
13566
13567         * config.gcc (i?86-*-darwin*): Remove arch parameter.
13568         (x86_64-*-darwin*): Ditto.
13569         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
13570         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13571
13572 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13573
13574         * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
13575         coding conventions.
13576         (add_key): Likewise.
13577         * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
13578         * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
13579         variable names.
13580         * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
13581         macros.
13582         (add_cost_one_coalesce): Likewise.
13583         * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
13584         variable names. Rename orig to orig_name for consistency.
13585         * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
13586         coding conventions.
13587         (cprop_into_successor_phis): Avoid using C++ keywords as variable
13588         names.
13589         (record_equivalences_from_stmt): Likewise.
13590         * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
13591         the coding conventions.
13592         (memory_ssa_name_same): Likewise.
13593         (dse_optimize_stmt): Likewise.
13594         (dse_record_phis): Likewise.
13595         (dse_finalize_block): Likewise.
13596         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
13597         keywords as variable names.
13598         (may_move_till): Cast according to the coding conventions.
13599         (force_move_till_expr): Avoid using C++ keywords as variable names.
13600         (force_move_till): Cast according to the coding conventions.
13601         (memref_hash): Likewise.
13602         (memref_eq): Likewise.
13603         (gather_mem_refs_stmt): Likewise.
13604         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
13605         using C++ keywords as variable names.
13606         (idx_find_step): Cast according to the coding conventions.
13607         (idx_record_use): Likewise.
13608         (find_depends): Likewise.
13609         (prepare_decl_rtl): Likewise.
13610         (mbc_entry_hash): Likewise.
13611         (mbc_entry_eq): Likewise.
13612         * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
13613         (simplify_replace_tree): Avoid using C++ keywords as variable names.
13614         (idx_infer_loop_bounds): Cast according to the coding conventions.
13615         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
13616         * tree-ssa-math-opts.c (occ_new ): Likwise.
13617         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
13618         macros.
13619         * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
13620         variable names.
13621         (add_use_op): Likewise.
13622         (add_vop): Likewise.
13623         (add_vuse_op): Likewise.
13624         (add_vdef_op): Likewise.
13625         (get_expr_operands): Likewise.
13626         (push_stmt_changes): Use type safe memory macros.
13627         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
13628         keywords as variable names.
13629         (conditional_replacement): Likewise.
13630         (minmax_replacement): Likewise.
13631         (abs_replacement): Likewise.
13632         * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
13633         coding conventions.
13634         (insert_fake_stores): Avoid using C++ keywords as variable names.
13635         * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
13636         conventions.
13637         * tree-ssa-structalias.c (heapvar_lookup): Likewise.
13638         (heapvar_insert): Use type safe memory macros.
13639         (new_var_info): Cast according to the coding conventions.
13640         (new_constraint): Likewise.
13641         (remove_preds_and_fake_succs): Use type safe memory macros.
13642         * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
13643         conventions.
13644         (thread_single_edge): Likewise.
13645         (thread_through_loop_header): Likewise.
13646
13647 2007-06-06  Eric Christopher  <echristo@apple.com>
13648
13649         * config/i386/i386.c (override_options): Move handling
13650         of TARGET_SUBTARGET* earlier.
13651
13652 2007-06-06  Paolo Bonzini  <bonzini@gnu.org>
13653
13654         * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
13655         use %n on printf.
13656
13657 2007-06-06  Zdenek Dvorak  <dvorakz@suse.cz>
13658
13659         * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
13660         emited outside of basic block.
13661         * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
13662         the created blocks.
13663         * rtl.h (delete_insn_chain): Declaration changed.
13664         * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
13665         non-removed insns.
13666         (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
13667         (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
13668         rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
13669         to delete_insn_chain.
13670         (rtl_verify_flow_info_1): Verify that the insns in header and footer
13671         do not have bb field set.
13672         (rtl_verify_flow_info): Verify that insns between basic blocks do not
13673         have bb field set.
13674         * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
13675         * cfgcleanup.c (try_optimize_cfg): Ditto.
13676
13677 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13678
13679         * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
13680         (lambda_body_vector_new): Use type safe memory macros.
13681         (lambda_linear_expression_new): Likewise.
13682         (lambda_loopnest_new): Likewise.
13683         (lambda_lattice_new): Likewise.
13684         (replace_uses_equiv_to_x_with_y): Cast according to the coding
13685         conventions. Use type safe memory macros.
13686         * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
13687         (lambda_body_vector_s): Likewise.
13688         * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
13689         * lambda-trans.c (lambda_trans_matrix_new): Likewise.
13690
13691 2007-06-06  Richard Guenther  <rguenther@suse.de>
13692
13693         * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
13694         if we need to schedule cfg_cleanup.
13695         (tree_ssa_forward_propagate_single_use_vars): Do so.
13696
13697 2007-06-06  Ian Lance Taylor  <iant@google.com>
13698
13699         * fold-const.c (merge_ranges): If range_successor or
13700         range_predecessor fail, just return 0.
13701
13702 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13703
13704         PR tree-optimization/32216
13705         * tree-vectorizer.c (supportable_widening_operation): Determine
13706         signedness of FIX_TRUNC_EXPR from output operand.
13707         (supportable_narrowing_operation): Ditto.
13708         * tree-vect-generic.c (expand_vector_operations_1): Determine
13709         signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
13710         from input operand.
13711
13712 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13713
13714         * config/i386/i386.c (enum pta_flags): Move out of struct scope...
13715         (struct pta): ...from here. Change flags to unsigned to avoid
13716         excessive casting (as it is used as a bit mask).
13717         (override_options): Add casts according to the coding convenventions.
13718         (x86_64_elf_unique_section): Likewise.
13719         (examine_argument): Avoid using C++ keywords as variable names.
13720         (construct_container): Likewise.
13721         (legitimize_pic_address): Likewise.
13722         (get_dllimport_decl): Cast according to the coding conventions. Use
13723         type safe memory macros.
13724         (legitimize_address): Cast according to the coding conventions.
13725         (emit_i387_cw_initialization): Corrected the type of slot to enum
13726         ix86_stack_slot.
13727         (ix86_init_machine_status): Use type safe memory macros.
13728         (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
13729         (bdesc_pcmpistr): Likewise.
13730         (bdesc_crc32): Likewise.
13731         (bdesc_sse_3arg): Likewise.
13732         (bdesc_2arg): Likewise.
13733         (bdesc_1arg): Likewise.
13734         (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
13735         (ix86_expand_sse_pcmpistr): Likewise.
13736         (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
13737         (ix86_builtin_vectorized_function): Change the type of fn to unsigned
13738         int to match the langhook definition.
13739         (ix86_builtin_conversion): Change the type of code to unsigned init to
13740         match the langhook definition.
13741         (ix86_preferred_reload_class): Avoid using C++ keywords as variable
13742         names.
13743         (ix86_preferred_output_reload_class): Likewise.
13744         (ix86_cannot_change_mode_class): Likewise.
13745         (ix86_memory_move_cost): Likewise.
13746         (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
13747         avoid excessive casting later on.
13748         (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
13749
13750 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13751
13752         * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
13753         as flags setting insn.
13754         (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
13755
13756 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13757
13758         * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
13759         (UNSPEC_ROUND): New.
13760         ("sse4_1_round<mode>2"): New insn pattern.
13761         ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
13762         SSE4.1 targets.
13763         ("floor<mode>2"): Rename from floordf2 and floorsf2.  Macroize
13764         expander using SSEMODEF mode macro.  Expand using
13765         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13766         ("ceil<mode>2"): Rename from ceildf2 and ceilsf2.  Macroize
13767         expander using SSEMODEF mode macro.  Expand using
13768         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13769         ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2.  Macroize
13770         expander using SSEMODEF mode macro.  Expand using
13771         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13772         * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
13773         UNSPEC_ROUND instead of UNSPEC_ROUNDP.
13774         ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
13775         UNSPEC_ROUNDS.
13776
13777 2007-06-06  Jan Sjodin  <jan.sjodin@amd.com>
13778             Sebastian Pop  <sebpop@gmail.com>
13779
13780         * lambda.h (build_linear_expr): New.
13781         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
13782         Use build_linear_expr, call fold and force_gimple_operand.
13783         (lambda_loopnest_to_gcc_loopnest): Check that there is
13784         something to insert.
13785         * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
13786
13787 2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>
13788
13789         PR preprocessor/23479
13790         * doc/extend.texi: Document the 0b-prefixed binary integer
13791         constant extension.
13792
13793 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13794
13795         PR tree-optimization/32215
13796         * tree-vectorizer.c (supportable_widening_operation): Return false
13797         for unsupported FIX_TRUNC_EXPR tree code.
13798         (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
13799
13800 2007-06-06  Nathan Froyd  <froydnj@codesourcery.com>
13801
13802         * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
13803         register on SPE targets.  Change documentation to reflect
13804         reality.
13805         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
13806         Change FIXED_SCRATCH to 14 and document why we're keeping r14
13807         out of the register allocation pool.
13808         (rs6000_reg_live_or_pic_offset_p): New function.
13809         (rs6000_emit_prologue): Move the actual saving of LR up to free
13810         r0 for holding r11.  Split saving of SPE 64-bit registers into
13811         its own case.  Ensure that offsets will always be in-range for
13812         'evstdd' by using r11 as a scratch register to point at the start
13813         of the SPE save area.  Save r11 if necessary, as it is the static
13814         chain register.
13815         (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
13816         into its own case.  Ensure that offsets will always be in-range
13817         for 'evldd' by using r11 as a scratch register to point at the
13818         start of the SPE save area.  Also adjust r11 when restoring
13819         the stack pointer to compensate for pre-loading r11.
13820
13821 2007-06-05  Thomas Neumann  <tneumann@users.sourceforge.net>
13822
13823         * cfg.c (init_flow): Use type safe memory macros.
13824         (alloc_block): Likewise.
13825         (unchecked_make_edge): Likewise.
13826         (dump_flow_info): Avoid using C++ keywords as variable names.
13827         (copy_original_table_clear): Cast according to the coding conventions.
13828         (copy_original_table_set): Likewise.
13829         * cfgexpand (label_rtx_for_bb): Likewise.
13830         (expand_gimple_basic_block): Likewise.
13831         * cfghooks.c (dump_bb): Likewise.
13832         (lv_adjust_loop_header_phi): Avoid using C++ keywords as
13833         variable names.
13834         (lv_add_condition_to_bb): Likewise.
13835         * cfglayout (relink_block_chain): Cast according to the coding
13836         conventions.
13837         (fixup_reorder_chain): Likewise.
13838         (fixup_fallthru_exit_predecessor): Likewise.
13839         * cfgloop.c (glb_enum_p): Likewise.
13840         (get_exit_description): Likewise.
13841         (dump_recorded_exit): Likewise.
13842         * cfgloop.h (enum loop_estimation): Move out of struct scope...
13843         (struct loop): ... from here.
13844         * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
13845         conventions.
13846         * cfgrtl.c (rtl_create_basic_block): Likewise.
13847         (rtl_split_block): Likewise.
13848         (rtl_dump_bb): Likewise.
13849         (cfg_layout_split_block): Likewise.
13850         (init_rtl_bb_info): Use typesafe memory macros.
13851
13852         * graphds.h (struct graph_edge): Renamed edge to graph_edge.
13853         * graphds.h: Updated all usages of edge to graph_edge.
13854         * graphds.c: Likewise.
13855         * cfgloopanal.c: Likewise.
13856
13857 2007-06-05  Ian Lance Taylor  <iant@google.com>
13858
13859         * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
13860         PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
13861         (extract_range_from_assert): Set TREE_NO_WARNING when creating an
13862         expression.
13863         (test_for_singularity): Likewise.
13864
13865 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13866
13867         * config/i386/constraints.md ("Y2"): Replaced by ...
13868         ("Yt"): This.
13869         * config/i386/i386.md: Likewise.
13870         * config/i386/mmx.md: Likewise.
13871         * config/i386/sse.md: Likewise.
13872
13873 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13874
13875         * config/i386/constraints.md ("z"): Replaced by ...
13876         ("Y0"): This.
13877         * config/i386/sse.md (sse4_1_blendvpd): Likewise.
13878         (sse4_1_blendvps): Likewise.
13879         (sse4_1_pblendvb): Likewise.
13880         (sse4_2_pcmpestr): Likewise.
13881         (sse4_2_pcmpestrm): Likewise.
13882         (sse4_2_pcmpestr_cconly): Likewise.
13883         (sse4_2_pcmpistr): Likewise.
13884         (sse4_2_pcmpistrm): Likewise.
13885         (sse4_2_pcmpistr_cconly): Likewise.
13886
13887 2007-06-05  Razya Ladelsky  <razya@il.ibm.com>
13888
13889         * matrix-reorg.c (transform_access_sites): Fix computation.
13890         (transform_allocation_sites): Same.
13891
13892 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13893
13894         * config/i386/i386.c (override_options): Use
13895         TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
13896
13897 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13898
13899         * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
13900         (nonimm_not_xmm0_operand): Ditto.
13901         * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
13902         as operand[0] and operand[1] predicate.  Use "nonimm_not_xmm0_operand"
13903         as operand[2] predicate.  Require "z" class XMM register for
13904         operand[3].  Adjust asm template.
13905         ("sse4_1_blendvpd"): Ditto.
13906         ("sse4_1_pblendvb"): Ditto.
13907         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
13908         force op2 into xmm0 register for variable blend instructions.
13909
13910 2007-06-04  Tom Tromey  <tromey@redhat.com>
13911
13912         * c-tree.h (start_enum): Update.
13913         (build_enumerator): Likewise.
13914         * c-decl.c (enum_next_value): Removed.
13915         (enum_overflow): Likewise.
13916         (start_enum): Add c_enum_contents argument.  Don't use globals.
13917         (build_enumerator): Likewise.
13918         * c-tree.h (struct c_enum_contents): New struct.
13919
13920 2007-06-04  Tom Tromey  <tromey@redhat.com>
13921
13922         * c-common.c (c_common_get_alias_set): Fix indentation.
13923
13924 2007-06-04  Ian Lance Taylor  <iant@google.com>
13925
13926         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
13927         to overflow, reduce overflow infinity to regular infinity.
13928         (vrp_var_may_overflow): New static function.
13929         (vrp_visit_phi_node): Check vrp_var_may_overflow.
13930
13931 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
13932
13933         * stor-layout.c (layout_type): Remove duplicate code.
13934
13935 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
13936
13937         PR c/32191
13938         * c-common.c (c_define_builtins): Call targetm.init_builtins ()
13939         before build_common_builtin_nodes ().
13940
13941 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
13942
13943         PR target/31733
13944         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
13945
13946 2007-06-04  Jan Hubicka  <jh@suse.cz>
13947
13948         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
13949         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
13950         instead of _stat version.
13951
13952 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13953
13954         PR tree-optimization/32194
13955         * tree-predcom.c (determine_offset): Check that both references have
13956         the same type.
13957
13958 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13959
13960         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
13961         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
13962         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
13963         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
13964         Add argument to iterate_fix_dominators call.
13965         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
13966         * gcse.c (hoist_code): Change domby to vector.
13967         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
13968         Add argument to iterate_fix_dominators call.
13969         * loop-doloop.c (doloop_modify): Changed recount_dominator to
13970         recompute_dominator.
13971         * lambda-code.c (perfect_nestify): Ditto.
13972         * cfgloopanal.c: Include graphds.h.
13973         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
13974         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
13975         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
13976         add_edge call.
13977         * graphds.c: New file.
13978         * graphds.h: New file.
13979         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
13980         (get_dominated_by, get_dominated_by_region): Change return type to
13981         vector.
13982         (verify_dominators): Recompute all dominators and compare the results.
13983         (recount_dominator): Renamed to ...
13984         (recompute_dominator): ... this.  Do not check that the block is
13985         dominated by entry.
13986         (iterate_fix_dominators): Reimplemented.
13987         (prune_bbs_to_update_dominators, root_of_dom_tree,
13988         determine_dominators_for_sons): New functions.
13989         * et-forest.c (et_root): New function.
13990         * et-forest.h (et_root): Declare.
13991         * Makefile.in (graphds.o): Add.
13992         (cfgloopanal.o): Add graphds.h dependency.
13993         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
13994         * basic-block.h (get_dominated_by, get_dominated_by_region,
13995         iterate_fix_dominators): Declaration changed.
13996         (recount_dominator): Renamed to ...
13997         (recompute_dominator): ... this.
13998         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
13999         (thread_through_all_blocks): Do not free dominance info.
14000
14001 2007-06-03  Andreas Schwab  <schwab@suse.de>
14002
14003         * config/m68k/m68k.c (override_options): Don't override
14004         REAL_MODE_FORMAT.
14005         * config/m68k/m68k-modes.def (SF, DF): Define to use
14006         motorola_single_format and motorola_double_format, resp.
14007         * real.c (motorola_single_format): Renamed from
14008         coldfire_single_format.
14009         (motorola_double_format): Renamed from coldfire_double_format.
14010         (encode_ieee_extended): Generate a proper canonical NaN image
14011         respecting canonical_nan_lsbs_set.
14012         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
14013         true.
14014         * real.h: Adjust declarations.
14015
14016 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
14017
14018         PR target/32163
14019         * config/sh/sh.md (symGOT_load): Don't schedule insns when
14020         the symbol is generated with the stack protector.
14021
14022 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
14023
14024         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
14025         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
14026         "interrupt".
14027         * doc/extend.texi (interrupt): Mention m68k.
14028
14029 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
14030
14031         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
14032         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
14033         (ix86_expand_sse_pcmpestr): Do not check operands for
14034         "register_operand", when insn operand predicate is "register_operand".
14035         (ix86_expand_sse_pcmpistr): Ditto.
14036
14037 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
14038             Uros Bizjak  <ubizjak@gmail.com>
14039
14040         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
14041         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
14042         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
14043         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
14044         * config/i386/constraints.md ("z"): New register constraint
14045         for members of SSE_FIRST_REG class.
14046         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
14047         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
14048         SSE_FIRST_REG class.
14049         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
14050         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
14051         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
14052         (IX86_BUILTIN_PCMPESTRM128): Likewise.
14053         (IX86_BUILTIN_PCMPESTRA128): Likewise.
14054         (IX86_BUILTIN_PCMPESTRC128): Likewise.
14055         (IX86_BUILTIN_PCMPESTRO128): Likewise.
14056         (IX86_BUILTIN_PCMPESTRS128): Likewise.
14057         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
14058         (IX86_BUILTIN_PCMPISTRI128): Likewise.
14059         (IX86_BUILTIN_PCMPISTRM128): Likewise.
14060         (IX86_BUILTIN_PCMPISTRA128): Likewise.
14061         (IX86_BUILTIN_PCMPISTRC128): Likewise.
14062         (IX86_BUILTIN_PCMPISTRO128): Likewise.
14063         (IX86_BUILTIN_PCMPISTRS128): Likewise.
14064         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
14065         (struct builtin_description): Change "flag" field to unsigned.
14066         (bdesc_pcmpestr): New builtin description table.
14067         (bdesc_pcmpistr): Likewise.
14068         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
14069         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
14070         Initialize pcmp[ei]str[im] insns for SSE4.2.
14071         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
14072         (ix86_expand_sse_pcmpistr): Likewise.
14073         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
14074         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
14075         (UNSPEC_PCMPISTR): Likewise.
14076         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
14077         (sse4_2_pcmpestri):New isns pattern.
14078         (sse4_2_pcmpestrm): Likewise.
14079         (sse4_2_pcmpestr_cconly): Likewise.
14080         (sse4_2_pcmpistr): New insn patern and splitter.
14081         (sse4_2_pcmpistri):New isns pattern.
14082         (sse4_2_pcmpistrm): Likewise.
14083         (sse4_2_pcmpistr_cconly): Likewise.
14084         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
14085         in SSE4.2.
14086
14087 2007-06-01  David Daney  <ddaney@avtrex.com>
14088
14089         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
14090         LOADGP_ABSOLUTE and not binds_local_p.
14091
14092 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
14093
14094         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
14095
14096 2007-06-01  Ian Lance Taylor  <iant@google.com>
14097
14098         * tree-vrp.c (compare_name_with_value): Always set
14099         used_strict_overflow if we get a result from the variable itself.
14100
14101 2007-06-01  Ian Lance Taylor  <iant@google.com>
14102
14103         PR rtl-optimization/31455
14104         * lower-subreg.c (find_decomposable_subregs): Don't decompose
14105         subregs which have a cast between modes which are not tieable.
14106
14107 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
14108
14109         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
14110         breaks after return statements.
14111
14112 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
14113
14114         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
14115         only after no_new_pseudos.
14116
14117 2007-05-31  Eric Christopher  <echristo@apple.com>
14118
14119         * expr.c (convert_move): Assert that we don't have a BLKmode
14120         operand.
14121         (store_expr): Handle BLKmode moves by calling emit_block_move.
14122
14123 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
14124
14125         * c-typeck.c (build_indirect_ref): Include type in error message.
14126         (build_binary_op): Pass types to binary_op_error.
14127         * c-common.c (binary_op_error): Take two type arguments, print out
14128         types with error.
14129         * c-common.h (binary_op_error): Update prototype.
14130
14131 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
14132
14133         * config/i386/i386.c: Correct coments on -mno-sse4.
14134
14135 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
14136
14137         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
14138         (x86_64-*-*): Likewise.
14139         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
14140         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
14141         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
14142         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
14143         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
14144         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
14145         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
14146         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
14147         (OPTION_MASK_ISA_SSE4): Likewise.
14148         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
14149         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
14150         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
14151         (override_options): Support SSE4.2.
14152         (ix86_build_const_vector): Support SImode and DImode.
14153         (ix86_build_signbit_mask): Likewise.
14154         (ix86_expand_int_vcond): Support V2DImode.
14155         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
14156         (IX86_BUILTIN_CRC32HI): Likewise.
14157         (IX86_BUILTIN_CRC32SI): Likewise.
14158         (IX86_BUILTIN_CRC32DI): Likewise.
14159         (IX86_BUILTIN_PCMPGTQ): Likewise.
14160         (bdesc_crc32): Likewise.
14161         (bdesc_sse_3arg): Likewise.
14162         (ix86_expand_crc32): Likewise.
14163         (ix86_init_mmx_sse_builtins): Support SSE4.2.
14164         (ix86_expand_builtin): Likewise.
14165         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
14166         __SSE4_2__ for -msse4.2.
14167         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
14168         (CRC32MODE): Likewise.
14169         (crc32modesuffix): Likewise.
14170         (crc32modeconstraint): Likewise.
14171         (sse4_2_crc32<mode>): Likewise.
14172         (sse4_2_crc32di): Likewise.
14173         * config/i386/i386.opt (msse4.2): New for SSE4.2.
14174         (msse4): Likewise.
14175         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
14176         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
14177         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
14178         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
14179         (vcondu<mode>): Likewise.
14180         * doc/extend.texi: Document SSE4.2 built-in functions.
14181         * doc/invoke.texi: Document -msse4.2/-msse4.
14182
14183 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
14184
14185         PR tree-optimization/32160
14186         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
14187         variable as gimple reg.
14188         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
14189
14190 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
14191
14192         * gcc.c (main): Don't consider linker options when issuing the
14193         warning about a linker input file not being used.
14194
14195 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14196
14197         * tree-vrp.c (compare_names): Initialize sop.
14198
14199 2007-05-30  Dirk Mueller  <dmueller@suse.de>
14200
14201         * cgraphunit.c (cgraph_analyze_function): Remove
14202         computation of inline parameters.
14203
14204 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
14205
14206         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
14207
14208 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
14209
14210         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
14211         Add vx-common.h.  Include vxworks.h between vx-common.h and
14212         arm/vxworks.h.
14213         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
14214         redefining.
14215         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
14216         (TARGET_ASM_DESTRUCTOR): Likewise.
14217         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
14218         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
14219         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
14220         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
14221         (VXWORKS_ENDIAN_SPEC): Define.
14222         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
14223         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
14224         VXWORKS_* equivalents.
14225         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
14226         (ASM_FILE_START): Delete.
14227         (TARGET_VERSION): Reformat.
14228         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
14229         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
14230         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
14231         (FPBIT, DPBIT): Define.
14232         (fp-bit.c, dp-bit.c): New rules.
14233         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
14234         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
14235         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
14236         * config/arm/arm.h: Include vxworks-dummy.h.
14237         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
14238         Mark with ATTRIBUTE_UNUSED.
14239         (arm_override_options): Do not allow VxWorks RTP PIC to be used
14240         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
14241         make it incompatible with -msingle-pic-base.
14242         (arm_function_ok_for_sibcall): Return false for calls that might
14243         go through a VxWorks PIC PLT entry.
14244         (require_pic_register): New function, split out from...
14245         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
14246         for VxWorks RTPs.
14247         (arm_load_pic_register): Handle the VxWorks RTP initialization
14248         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
14249         (arm_emit_call_insn): New function.
14250         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
14251         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
14252         (pic_offset_arm): New pattern.
14253         (call, call_value): Use arm_emit_call_insn.
14254         (call_internal, call_value_internal): New expanders.
14255         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
14256         VxWorks unless __PIC__.
14257
14258 2007-05-30  Eric Christopher  <echristo@gmail.com>
14259
14260         * genrecog.c: Include regs.h in generated file.
14261         * genemit.c: Ditto. Fix up formatting.
14262         * config/mn10300/constraints.md: New.
14263         * config/mn10300/mn10300.md: Include.
14264         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
14265         Fix up for removed macro.
14266         * config/mn10300/predicates.md (call_address_operand): Ditto.
14267         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
14268         (CONST_OK_FOR_I): Ditto.
14269         (CONST_OK_FOR_J): Ditto.
14270         (CONST_OK_FOR_K): Ditto.
14271         (CONST_OK_FOR_L): Ditto.
14272         (CONST_OK_FOR_M): Ditto.
14273         (CONST_OK_FOR_N): Ditto.
14274         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
14275         (OK_FOR_Q): Ditto.
14276         (OK_FOR_R): Ditto.
14277         (OK_FOR_T): Ditto.
14278         (EXTRA_CONSTRAINT): Ditto.
14279
14280 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
14281
14282         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
14283         Remove defines.
14284         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
14285         OPTION_MASK_ISA_64BIT.
14286         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
14287
14288 2007-05-30  Richard Guenther  <rguenther@suse.de>
14289
14290         PR middle-end/32152
14291         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
14292         types for comparison.
14293         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
14294         with original typed arguments.
14295         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
14296
14297 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
14298
14299         PR tree-optimization/31769
14300         * except.c (duplicate_eh_regions): Clear prev_try if
14301         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
14302
14303 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
14304
14305         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
14306         * tree-ssa-sink.c (statement_sink_location): Return basic block and
14307         bsi of the location where statements should be inserted.
14308         (sink_code_in_bb): Take bsi from statement_sink_location.
14309         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
14310         instead of bsi_start.
14311         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
14312         bsi_insert_after.
14313         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
14314         (bsi_move_before): Document inconsistency with bsi_move_after.
14315         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
14316
14317 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
14318
14319         * config/i386/i386.h (TARGET_ABM): New define.
14320         (TARGET_POPCNT): Ditto.
14321         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
14322         New temporary defines to redefine from OPTION_ISA_* defines.
14323         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
14324         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
14325         (ix86_isa_flags): New extern int declaration.
14326         (TARGET_SUBTARGET_DEFAULT): New define.
14327         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
14328         (TARGET_SUBTARGET32_DEFAULT): Ditto.
14329         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
14330         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
14331         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
14332         * config/i386/darwin.h: Change TARGET_64BIT define to
14333         OPTION_ISA_64BIT.
14334
14335         * config/i386/i386.opt (m3dnowa): Define as undocumented option
14336         using existing "ix86_isa_flags" varible.
14337         (m32, m64): Use existing "ix86_isa_flags" variable.
14338         (mmmx, m3dnow): Ditto.
14339         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
14340         (mabm): Define as non-negative option using "x86_abm" variable.
14341         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
14342
14343         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
14344         Rewrite feature test bitmap.
14345         (ix86_isa_flags): New initialized global int varible.
14346         (ix86_isa_flags_explicit): New static int variable.
14347         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
14348         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
14349         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
14350         target_flags_explicit.
14351         (override_options): Remove "target_enable" and "target_disable" fields
14352         from "struct ptt". Update processor_target_table accordingly. Remove
14353         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
14354         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
14355         "target_flags" and "ix86_isa_flags_explicit" instead of
14356         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
14357         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
14358         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
14359         to true when either of PTA_POPCNT or PTA_ABM is set in
14360         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
14361         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
14362         processor_alias_table flags entry.  Remove handling of
14363         "target_enable" and "target_disable" fields of processor_target_table.
14364         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
14365         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
14366         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
14367         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
14368         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
14369         "target_flags".
14370         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
14371
14372 2007-05-29  David Daney  <ddaney@avtrex.com>
14373
14374         PR gcc/31975
14375         * config/mips/mips.c (mips_output_mi_thunk): Emit
14376         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
14377
14378 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
14379         * config/i386/i386.c (ix86_function_regparm): Added checking of
14380         ix86_force_align_arg_pointer to determine the number of
14381         register parameters.
14382
14383 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
14384
14385         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
14386         (SET_DR_MISALIGNMENT): New.
14387         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
14388         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
14389         Use SET_DR_MISALIGNMENT.
14390         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
14391         pointer.
14392         * tree-data-ref.c (create_data_ref, compute_all_dependences,
14393         find_loop_nest): Export.
14394         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
14395         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
14396         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
14397         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
14398         New macros.
14399         (struct mem_ref): Add field reuse_distance.
14400         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
14401         Initialize reuse_distance field.
14402         (issue_prefetch_ref): Select temporality of prefetch according to
14403         reuse_distance.
14404         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
14405         self_reuse_distance, determine_loop_nest_reuse): New functions.
14406         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
14407         (tree_ssa_prefetch_arrays): Dump L2 cache size.
14408         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
14409         dependency.
14410
14411 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
14412
14413         * tree-ssa-alias.c: Add aliasing overview.
14414
14415 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
14416             Danny Smith  <dannysmith@users.sourceforge.net>
14417
14418         PR target/29498
14419         * config/i386/t-crtfm: Compile crtfastmath.o with
14420         -minline-all-stringops.
14421         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
14422         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
14423
14424 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14425
14426         * doc/md.texi: Document constraints on HP PA-RISC.
14427
14428         * pa/constraints.md: New file.
14429         * pa.md: Include constraints.md.
14430         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
14431         (integer_store_memory_operand, ldil_cint_p): New functions.
14432         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
14433         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
14434         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
14435         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
14436         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
14437
14438 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
14439
14440         PR c/31339
14441         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
14442         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
14443         case POSTDECREMENT_EXPR>): Return the error_mark_node
14444         if either the real or imaginary parts would an
14445         error_mark_node.
14446
14447 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
14448
14449         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
14450         name when we remove it from a call.
14451
14452 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
14453
14454         * targhooks.c (default_narrow_bitfield): Remove.
14455         * targhooks.h: Remove the prototype for
14456         default_narrow_bitfield.
14457
14458         * langhooks-def.h: Remove the prototype for
14459         hook_get_alias_set_0.
14460         * langhooks.c (hook_get_alias_set_0): Remove.
14461
14462         * global.c (EXECUTE_IF_CONFLICT): Remove.
14463
14464 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14465
14466         PR tree-opt/32100
14467         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
14468         return true when truth_value_p is true and the type
14469         is of signed:1.
14470
14471 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
14472
14473         * doc/install.texi (Prerequisites): We no longer require Autoconf
14474         2.13 for the top-level.
14475
14476 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
14477
14478         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
14479         memory access via x86_expand_vector_move_misalign() only for
14480         TImode values on 32-bit targets.
14481
14482 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
14483
14484         * matrix-reorg.c: New file. Implement matrix flattening and
14485         transposing optimization.
14486         * tree-pass.h: Add matrix reorg pass.
14487         * common.opt: Add fipa-mreorg flag.
14488         * Makefile.in: Add matrix-reorg.c.
14489         * passes.c: Add matrix reorg pass.
14490         * varpool.c (add_new_static_var): New function.
14491         * cgraph.h (add_new_static_var): Declare.
14492
14493 2007-05-27  Eric Christopher  <echristo@apple.com>
14494
14495         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
14496         sp_offset depending on stack size. Save r12 depending
14497         on registers we're saving later.
14498         (rs6000_emit_epilogue): Update sp_offset depending only
14499         on stack size.
14500
14501 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
14502
14503         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
14504         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
14505         * ifcvt.c (if_convert): Ditto.
14506         * tree-ssa-threadupdate.c (thread_block): Ditto.
14507         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
14508         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
14509         verify_loop_closed_ssa): Check number_of_loops instead of
14510         current_loops.
14511         * predict.c (tree_estimate_probability): Ditto.
14512         * tree-if-conv.c (main_tree_if_conversion): Ditto.
14513         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14514         * modulo-sched.c (sms_schedule): Ditto.
14515         * tree-scalar-evolution.c (scev_const_prop): Ditto.
14516         (scev_finalize): Do not do anything if scev analysis was not
14517         initialized.
14518         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
14519         current_loops == NULL.
14520         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
14521         * loop-init.c (loop_optimizer_init): Do not free current_loops when
14522         there are no loops.
14523         (loop_optimizer_finalize): Assert that loops were analyzed.
14524         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
14525         rtl_doloop): Check number_of_loops instead of current_loops.
14526         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
14527         current_loops == NULL.
14528         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
14529         gate_tree_vectorize tree_linear_transform, check_data_deps,
14530         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
14531         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
14532         Check number_of_loops instead of current_loops.
14533         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
14534         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
14535         free loops if available.
14536         (execute_pre): Do not pass do_fre to fini_pre.
14537
14538 2007-05-27  Tobias Burnus  <burnus@net-b.de>
14539
14540         PR middle-end/32083
14541         * real.c (mpfr_from_real): Fix sign of -Inf.
14542
14543 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
14544
14545         * tree-vect-transform.c (vectorizable_conversion): Initialize
14546         tree_code variables to ERROR_MARK.
14547         (vectorizable_type_demotion): Likewise.
14548         (vectorizable_type_promotion): Likewise.
14549
14550 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14551
14552         PR target/32065
14553         * config/i386/i386.md (movti): Handle push operands via
14554         ix86_expand_push().
14555
14556 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14557
14558         * basic-block.h: Remove the prototype for merge_seq_blocks.
14559         * cfgcleanup.c (merge_seq_blocks): Remove.
14560
14561         * tree-flow.h: Remove the prototype for is_aliased_with.
14562         * tree-ssa-alias.c (is_aliased_with): Remove.
14563
14564 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
14565
14566         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
14567
14568         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
14569
14570         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
14571         ix86_expand_sse4_unpack if SSE4.1 is enabled.
14572         (vec_unpacks_hi_v16qi): Likewise.
14573         (vec_unpacku_lo_v16qi): Likewise.
14574         (vec_unpacks_lo_v16qi): Likewise.
14575         (vec_unpacku_hi_v8hi): Likewise.
14576         (vec_unpacks_hi_v8hi): Likewise.
14577         (vec_unpacku_lo_v8hi): Likewise.
14578         (vec_unpacks_lo_v8hi): Likewise.
14579         (vec_unpacku_hi_v4si): Likewise.
14580         (vec_unpacks_hi_v4si): Likewise.
14581         (vec_unpacku_lo_v4si): Likewise.
14582         (vec_unpacks_lo_v4si): Likewise.
14583
14584 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14585
14586         * c-typeck.c, config/arm/arm.c, config/darwin.c,
14587         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
14588         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
14589         follow spelling conventions in various
14590         warning/error/diagnostic messages.
14591
14592         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
14593         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
14594         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
14595         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
14596         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
14597         * doc/tm.texi: Follow spelling conventions.
14598
14599 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14600
14601         PR tree-opt/32090
14602         * tree-ssa-forwprop.c
14603         (forward_propagate_addr_into_variable_array_index): Remove
14604         the lhs argument.  Use the type of def_rhs instead of lhs.
14605         (forward_propagate_addr_expr_1): Update use of
14606         forward_propagate_addr_into_variable_array_index.
14607
14608 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
14609             Nigel Stephens  <nigel@mips.com>
14610
14611         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
14612         function attributes, "far" being an alias for "long_call".
14613         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
14614         (mips_near_type_p, mips_far_type_p): New.
14615         (mips_comp_type_attributes): New function to check that attributes
14616         attached to a function type are compatible.
14617         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
14618         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
14619         to the target function of the thunk.
14620         (mips_encode_section_info): Check for "near" and "far" function
14621         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
14622
14623         * config/mips/predicates.md (const_call_insn_operand): Test only
14624         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
14625
14626         * doc/extend.texi (Function Attributes): Document MIPS "near" and
14627         "far" attributes.
14628
14629         * testsuite/gcc.target/mips/near-far-1.c: New test case.
14630         * testsuite/gcc.target/mips/near-far-2.c: New test case.
14631         * testsuite/gcc.target/mips/near-far-3.c: New test case.
14632         * testsuite/gcc.target/mips/near-far-4.c: New test case.
14633
14634 2007-05-25  Eric Christopher  <echristo@apple.com>
14635
14636         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
14637         to x86-darwin configurations.
14638         * config/i386/t-darwin: Add softfp support.
14639         * config/i386/t-darwin64: Ditto.
14640         * config/i386/sfp-machine.h: If mach then don't use
14641         aliasing, emit a stub to call.
14642
14643 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
14644
14645         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
14646         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
14647         tree-predcom.c, tree-ssa-alias-warnings.c,
14648         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
14649         comment typos.  Follow spelling conventions.
14650         * doc/cpp.texi, doc/invoke.texi: Fix typos.
14651
14652 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14653
14654         PR target/32065
14655         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
14656         constants into memory.  Expand unaligned memory references for
14657         SSE modes via x86_expand_vector_move_misalign() function.
14658
14659 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
14660
14661         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
14662         "memory" attribute for "sseishft" type insn without operands[2].
14663
14664 2007-05-25  Dirk Mueller  <dmueller@suse.de>
14665             Marcus Meissner <meissner@suse.de>
14666
14667         * doc/extend.texi (alloc_size): New attribute.
14668         * c-common.c (handle_alloc_size_attribute): New.
14669         * tree-object-size.c (alloc_object_size): Use alloc_size
14670         attribute, if available.
14671
14672 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14673
14674         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
14675         with MASK_SSE2.
14676         (__builtin_ia32_vec_ext_v2di): Likewise.
14677         (__builtin_ia32_vec_ext_v4si): Likewise.
14678         (__builtin_ia32_vec_ext_v8hi): Likewise.
14679         (__builtin_ia32_vec_ext_v16qi): Likewise.
14680         (__builtin_ia32_vec_set_v8hi): Likewise.
14681
14682 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14683
14684         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
14685
14686 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
14687
14688         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
14689         (arm_is_longcall_p): Rename to...
14690         (arm_is_long_call_p): ...this.  Take a single tree argument and
14691         return a bool.
14692         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
14693         (CUMULATIVE_ARGS): Remove call_cookie.
14694         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
14695         (ENCODED_LONG_CALL_ATTR_P): Delete.
14696         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
14697         LONG_CALL_FLAG_CHAR cases.
14698         (ARM_DECLARE_FUNCTION_SIZE): Delete.
14699         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
14700         ARM_DECLARE_FUNCTION_SIZE.
14701         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
14702         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
14703         (arm_encode_call_attribute, current_file_function_operand): Delete.
14704         (arm_function_in_section_p): New function.
14705         (arm_is_longcall_p): Rename to...
14706         (arm_is_long_call_p): ...this.  Take the target function as a single
14707         argument and return a bool.  Do not rely on call cookies.  Check
14708         whether the target symbol is in the same section as the current
14709         function, not just the same compilation unit.
14710         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
14711         (arm_encode_section_info): Don't encode a call type.
14712         * config/arm/arm.md (call, call_value): Update calls to
14713         arm_is_long(_)call_p.  Simplify logic.
14714         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
14715         Update calls to arm_is_long(_)call_p.
14716
14717 2007-05-25  Richard Guenther  <rguenther@suse.de>
14718
14719         PR tree-optimization/31982
14720         * tree-ssa-forwprop.c
14721         (forward_propagate_addr_into_variable_array_index): Handle arrays
14722         with element size one.
14723
14724 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14725
14726         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
14727         (umulsi3_highpart): Likewise.
14728
14729 2007-05-24  Ian Lance Taylor  <iant@google.com>
14730
14731         PR rtl-optimization/32069
14732         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
14733         is NULL.
14734
14735 2007-05-24  Ollie Wild  <aaw@google.com>
14736
14737         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
14738         description.
14739
14740 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
14741
14742         * postreload-gcse.c (reg_changed_after_insn_p): New function.
14743         (oprs_unchanged_p): Use it to check all registers in a REG.
14744         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
14745         (reg_set_between_after_reload_p): Delete.
14746         (reg_used_between_after_reload_p): Likewise.
14747         (reg_set_or_used_since_bb_start): Likewise.
14748         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
14749         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
14750         Use reg_set_between_p instead of reg_set_between_after_reload_p.
14751         * rtlanal.c (reg_set_p): Check whether REG overlaps
14752         regs_invalidated_by_call, rather than just checking the
14753         membership of REGNO (REG).
14754
14755 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14756
14757         * doc/passes.texi: Document predictive commoning.
14758         * doc/invoke.texi (-fpredictive-commoning): Document.
14759         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
14760         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
14761         adding indices to the generated name.
14762         (schedule_sm): Pass 0 to get_lsm_tmp_name.
14763         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
14764         * tree-pretty-print.c (op_symbol_1): Renamed to ...
14765         (op_symbol_code): ... and exported.
14766         (dump_omp_clause, op_symbol): Use op_symbol_code
14767         instead of op_symbol_1.
14768         * tree-pass.h (pass_predcom): Declare.
14769         * timevar.def (TV_PREDCOM): New timevar.
14770         * tree-ssa-loop.c (run_tree_predictive_commoning,
14771         gate_tree_predictive_commoning, pass_predcom): New.
14772         * tree-data-ref.c (find_data_references_in_loop): Find the
14773         references in dominance order.
14774         (canonicalize_base_object_address): Ensure that the result has
14775         pointer type.
14776         (dr_analyze_innermost): Export.
14777         (create_data_ref): Code to fail for references with invariant
14778         address moved ...
14779         (find_data_references_in_stmt): ... here.
14780         * tree-data-ref.h (dr_analyze_innermost): Declare.
14781         * tree-affine.c: Include tree-gimple.h and hashtab.h.
14782         (aff_combination_find_elt, name_expansion_hash,
14783         name_expansion_eq, tree_to_aff_combination_expand,
14784         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
14785         New functions.
14786         * tree-affine.h (aff_combination_constant_multiple_p,
14787         tree_to_aff_combination_expand): Declare.
14788         * tree-predcom.c: New file.
14789         * common.opt (fpredictive-commoning): New option.
14790         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
14791         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
14792         * Makefile.in (tree-predcom.o): Add.
14793         (tree-affine.o): Add TREE_GIMPLE_H dependency.
14794         * passes.c (init_optimization_passes): Add dceloop after
14795         copy propagation in loop optimizer.  Add predictive commoning
14796         to loop optimizer passes.
14797
14798 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14799
14800         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
14801         default hook.
14802
14803 2007-05-24  Jan Hubicka  <jh@suse.cz>
14804
14805         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
14806         statistics.
14807         (genheader): Include statistics.h.
14808
14809         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
14810         notes are gone.
14811         * print-rtl.c (flag_dump_unnumbered): Update comments.
14812         (print_rtl): Fix my previous change.
14813         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
14814         specific data.
14815
14816 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14817
14818         PR middle-end/32018
14819         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
14820         set_loop_copy.
14821         (thread_through_all_blocks): Call initialize_original_copy_tables
14822         and free_original_copy_tables.
14823         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
14824         Use set_loop_copy.
14825         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
14826         * cfghooks.c (duplicate_block): Use get_loop_copy.
14827         * cfg.c: Include cfgloop.h.
14828         (loop_copy): New hash table.
14829         (initialize_original_copy_tables): Initialize loop_copy table.
14830         (free_original_copy_tables): Free loop_copy table.
14831         (copy_original_table_clear, copy_original_table_set,
14832         set_loop_copy, get_loop_copy): New functions.
14833         (set_bb_original, set_bb_copy): Use copy_original_table_set.
14834         * cfgloop.h (struct loop): Remove copy field.
14835         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
14836         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
14837
14838 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14839
14840         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
14841         -msse/-msse2/-msse3.
14842
14843 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14844
14845         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
14846         __builtin_ia32_vec_set_v2di with MASK_64BIT.
14847
14848 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
14849
14850         PR target/27067
14851         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
14852         * targhooks.h (default_mangle_decl_assembler_name): Declare
14853         default hook.
14854         * targhooks.c (default_mangle_decl_assembler_name): Define
14855         default hook.
14856         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
14857         default hook.
14858         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
14859         * langhooks.c (lhd_set_decl_assembler_name): Call
14860         targetm.mangle_decl_assembler_name for names with global scope.
14861
14862         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
14863         default.
14864         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
14865         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
14866         Declare.
14867         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
14868         New. Factored out of i386_pe_encode_section_info.
14869         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
14870         Move check for prior decoration of stdcall
14871         symbols to i386_pe_encode_section_info.
14872         (i386_pe_encode_section_info): Adjust call to
14873         gen_stdcall_or_fastcall_suffix.  Use
14874         i386_pe_maybe_mangle_decl_assembler_name, if needed.
14875         (i386_pe_mangle_decl_assembler_name): New. Wrap
14876         i386_pe_maybe_mangle_decl_assembler_name.
14877
14878 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
14879
14880         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
14881         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
14882         * langhooks.c (get_signed_or_unsigned_type): Don't check for
14883         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
14884         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
14885         TYPE_UNSIGNED.
14886
14887 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
14888             Nigel Stephens  <nigel@mips.com>
14889             Richard Sandiford  <richard@codesourcery.com>
14890
14891         Fix up MIPS16 hard float and add support for complex.
14892
14893         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
14894         (TARGET_SOFT_FLOAT_ABI): New.
14895         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
14896         __mips_soft_float to reflect the ABI in use, not whether the
14897         FPU is directly accessible (e.g., in MIPS16 mode).
14898         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
14899         (UNITS_PER_FPVALUE): Likewise.
14900
14901         * config/mips/mips.c (mips_expand_call): Remove redundant
14902         TARGET_MIPS16 check.
14903         (mips_arg_regno): New.
14904         (function_arg_advance): When setting bits in cum->fp_code for
14905         MIPS16, don't subtract 1 from cum->arg_number, since it is now
14906         zero-based.
14907         (function_arg): Use mips_arg_regno.
14908         (mips_return_mode_in_fpr_p): New.
14909         (mips16_call_stub_mode_suffix): New.
14910         (mips16_cfun_returns_in_fpr_p): New.
14911         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
14912         (mips_output_function_prologue): Test mips16_hard_float, not
14913         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
14914         (mips_expand_epilogue): Call MIPS16 helper routines to copy
14915         return value into a floating-point register.
14916         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
14917         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
14918         (mips16_fp_args): Handle MIPS32r2 ISA which supports
14919         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
14920         word of double arguments from or to the high bits of 64-bit
14921         floating point registers.
14922         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
14923         (mips16_fpret_double): New helper function.
14924         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
14925         support for complex modes.  Fill in DECL_RESULT for stubdecl.
14926         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
14927
14928         * config/mips/mips16.S
14929         (RET, ARG1, ARG2): New.
14930         (MERGE_GPRf, MERGE_GPRt): New.
14931         (DELAYt, DELAYf): New.
14932         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
14933         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
14934         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
14935         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
14936         (SFOP): Renamed to...
14937         (OPSF3): This, and macro-ified.  Updated all uses.
14938         (SFOP2): Renamed to...
14939         (OPSF2): This, and macro-ified.  Updated all uses.
14940         (SFCMP): Renamed to...
14941         (CMPSF): This, and macro-ified.  Updated all uses.
14942         (SFREVCMP): Renamed to...
14943         (REVCMPSF): This, and macro-ified.  Updated all uses.
14944         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
14945         (LDDBL1, LDDBL2, RETDBL): Deleted.
14946         (DFOP): Renamed to...
14947         (OPDF3): This, and macro-ified.  Updated all uses.
14948         (DFOP2): Renamed to...
14949         (OPDF2): This, and macro-ified.  Updated all uses.
14950         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
14951         (DFCMP): Renamed to...
14952         (CMPDF): This, and macro-ified.  Updated all uses.
14953         (DFREVCMP): Renamed to...
14954         (REVCMPDF): This, and macro-ified.  Updated all uses.
14955         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
14956         (RET_FUNCTION): New.
14957         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
14958         (__mips16_ret_sc, __mips16_ret_dc): New.
14959         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
14960         STUB_ARGS_6, STUB_ARGS_10): New.
14961         (CALL_STUB_NO_RET): New.
14962         (__mips16_call_stub_1): Macro-ified.
14963         (__mips16_call_stub_5): Macro-ified.
14964         (__mips16_call_stub_2): Macro-ified.
14965         (__mips16_call_stub_6): Macro-ified.
14966         (__mips16_call_stub_9): Macro-ified.
14967         (__mips16_call_stub_10): Macro-ified.
14968         (CALL_STUB_RET): New.
14969         (__mips16_call_stub_sf_0): Macro-ified.
14970         (__mips16_call_stub_sf_1): Macro-ified.
14971         (__mips16_call_stub_sf_5): Macro-ified.
14972         (__mips16_call_stub_sf_2): Macro-ified.
14973         (__mips16_call_stub_sf_6): Macro-ified.
14974         (__mips16_call_stub_sf_9): Macro-ified.
14975         (__mips16_call_stub_sf_10): Macro-ified.
14976         (__mips16_call_stub_df_0): Macro-ified.
14977         (__mips16_call_stub_df_1): Macro-ified.
14978         (__mips16_call_stub_df_5): Macro-ified.
14979         (__mips16_call_stub_df_2): Macro-ified.
14980         (__mips16_call_stub_df_6): Macro-ified.
14981         (__mips16_call_stub_df_9): Macro-ified.
14982         (__mips16_call_stub_df_10): Macro-ified.
14983         (__mips16_call_stub_sc_0): New.
14984         (__mips16_call_stub_sc_1): New.
14985         (__mips16_call_stub_sc_5): New.
14986         (__mips16_call_stub_sc_2): New.
14987         (__mips16_call_stub_sc_6): New.
14988         (__mips16_call_stub_sc_9): New.
14989         (__mips16_call_stub_sc_10): New.
14990         (__mips16_call_stub_dc_0): New.
14991         (__mips16_call_stub_dc_1): New.
14992         (__mips16_call_stub_dc_5): New.
14993         (__mips16_call_stub_dc_2): New.
14994         (__mips16_call_stub_dc_6): New.
14995         (__mips16_call_stub_dc_9): New.
14996         (__mips16_call_stub_dc_10): New.
14997
14998         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
14999         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
15000         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
15001
15002 2007-05-23  Ian Lance Taylor  <iant@google.com>
15003
15004         * doc/invoke.texi (Invoking GCC): Document that the order of the
15005         -l option matters.
15006
15007 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
15008
15009         PR target/30987
15010         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
15011         * config/score/predicate.md (const_pow2, const_npow2): Remove.
15012         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
15013         undef.
15014
15015         PR target/30474
15016         * config/score/score.c (score_print_operand): Make sure that only
15017         lower bits are used.
15018
15019 2007-05-22  Ian Lance Taylor  <iant@google.com>
15020
15021         * tree-vrp.c (avoid_overflow_infinity): New static function,
15022         broken out of set_value_range_to_value.
15023         (set_value_range_to_value): Call avoid_overflow_infinity.
15024         (extract_range_from_assert): Likewise.
15025
15026 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15027
15028         PR middle-end/31095
15029          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
15030         change the type before looking for a COMPOUND_EXPR.
15031
15032 2007-05-22  Ian Lance Taylor  <iant@google.com>
15033
15034         * lower-subreg.c (decompose_multiword_subregs): If we change an
15035         insn, call remove_retval_note on it.
15036
15037 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
15038
15039         * regs.h (end_hard_regno): New function.
15040         (END_HARD_REGNO, END_REGNO): New macros.
15041         (add_to_hard_reg_set): New function.
15042         (remove_from_hard_reg_set): Likewise.
15043         (in_hard_reg_set_p): Likewise.
15044         (overlaps_hard_reg_set_p): Likewise.
15045         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
15046         (note_btr_set): Use END_HARD_REGNO.
15047         * caller-save.c (setup_save_areas): Use end_hard_regno.
15048         (mark_set_regs): Use END_HARD_REGNO.
15049         (add_stored_regs): Use end_hard_regno.
15050         (mark_referenced_regs): Use add_to_hard_reg_set.
15051         * combine.c (update_table_tick): Use END_REGNO.
15052         (record_value_for_reg): Likewise.
15053         (record_dead_and_set_regs): Likewise.
15054         (get_last_value_validate): Likewise.
15055         (use_crosses_set_p): Likewise.
15056         (reg_dead_at_p_1): Likewise.
15057         (reg_dead_at_p): Likewise.
15058         (mark_used_regs_combine): Use add_to_hard_reg_set.
15059         (move_deaths): Use END_HARD_REGNO.
15060         (reg_bitfield_target_p): Use end_hard_regno.
15061         (distribute_notes): Use END_HARD_REGNO.
15062         * cse.c (mention_regs): Use END_REGNO.
15063         (insert): Use add_to_hard_reg_set.
15064         (invalidate): Use END_HARD_REGNO.
15065         (invalidate_for_call): Likewise.
15066         (exp_equiv_p): Use END_REGNO.
15067         (cse_insn): Likewise.
15068         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
15069         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
15070         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
15071         * function.c (keep_stack_depressed): Use end_hard_regno.
15072         * global.c (global_alloc): Use end_hard_regno.
15073         (global_conflicts): Use add_to_hard_reg_set instead of
15074         mark_reg_live_nc.
15075         (find_reg): Likewise.
15076         (mark_reg_store): Likewise.
15077         (mark_reg_conflicts): Likewise.
15078         (mark_reg_death): Use remove_from_hard_reg_set.
15079         (mark_reg_live_nc): Delete.
15080         (set_preference): Use end_hard_regno.
15081         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
15082         remove_from_hard_reg_set.
15083         (post_mark_life): Use add_to_hard_reg_set.
15084         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
15085         (reg_becomes_live): Use add_to_hard_reg_set.
15086         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
15087         (peep2_find_free_register): Use add_to_hard_reg_set.
15088         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
15089         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
15090         * regrename.c (note_sets): Use add_to_hard_reg_set.
15091         (clear_dead_regs): Use remove_from_hard_reg_set.
15092         (regrename_optimize): Use add_to_hard_reg_set.
15093         (find_oldest_value_reg): Use in_hard_reg_set_p.
15094         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
15095         (hard_reg_set_here_p): Use end_hard_regno.
15096         (decompose): Likewise.
15097         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
15098         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
15099         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
15100         (mark_home_live): Use end_hard_regno.
15101         (spill_hard_reg): Likewise.
15102         (clear_reload_reg_in_use): Likewise.
15103         * reorg.c (delete_prior_computation): Use END_REGNO.
15104         * resource.c (update_live_status): Use END_HARD_REGNO.
15105         (mark_referenced_resources): Use add_to_hard_reg_set.
15106         (mark_set_resources): Likewise.
15107         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
15108         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
15109         (reg_overlap_mentioned_p): Likewise.
15110         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
15111         (covers_regno_no_parallel_p): Use END_REGNO.
15112         (find_regno_note): Likewise.
15113         (find_reg_fusage): Use END_HARD_REGNO.
15114         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
15115         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
15116
15117 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
15118
15119         * mode-switching.c (reg_dies): Change type of second argument to
15120         "HARD_REG_SET *".
15121         (optimize_mode_switching): Update accordingly.
15122
15123 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
15124
15125         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
15126         in favor of...
15127         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
15128         (hard_reg_set_empty_p): ...these new functions.
15129         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
15130         GO_IF_HARD_REG_SUBSET.
15131         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
15132         instead of GO_IF_HARD_REG_EQUAL.
15133         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
15134         instead of GO_IF_HARD_REG_EQUAL.
15135         * global.c (find_reg): Use hard_reg_set_empty_p instead of
15136         GO_IF_HARD_REG_SUBSET.
15137         (modify_reg_pav): Use hard_reg_set_empty_p instead of
15138         GO_IF_HARD_REG_EQUAL.
15139         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
15140         of GO_IF_HARD_REG_SUBSET.
15141         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
15142         instead of GO_IF_HARD_REG_EQUAL.
15143         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
15144         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
15145         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
15146         of GO_IF_HARD_REG_SUBSET,
15147         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
15148         GO_IF_HARD_REG_SUBSET.
15149         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
15150         instead of GO_IF_HARD_REG_EQUAL.
15151         * config/sh/sh.c (push_regs, calc_live_regs): Use
15152         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
15153         (hard_regs_intersect_p): Delete.
15154
15155 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
15156
15157         * doc/sourcebuild.texi (Test Directives) Add dg-message.
15158
15159 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
15160             Richard Henderson  <rth@redhat.com>
15161
15162         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
15163         extra_headers.
15164         (x86_64-*-*): Likewise.
15165
15166         * i386/i386-modes.def (V2QI): New.
15167
15168         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
15169         SSE4A.
15170         (override_options): Support SSE4.1.
15171         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
15172         (IX86_BUILTIN_BLENDPS): Likewise.
15173         (IX86_BUILTIN_BLENDVPD): Likewise.
15174         (IX86_BUILTIN_BLENDVPS): Likewise.
15175         (IX86_BUILTIN_PBLENDVB128): Likewise.
15176         (IX86_BUILTIN_PBLENDW128): Likewise.
15177         (IX86_BUILTIN_DPPD): Likewise.
15178         (IX86_BUILTIN_DPPS): Likewise.
15179         (IX86_BUILTIN_INSERTPS128): Likewise.
15180         (IX86_BUILTIN_MOVNTDQA): Likewise.
15181         (IX86_BUILTIN_MPSADBW128): Likewise.
15182         (IX86_BUILTIN_PACKUSDW128): Likewise.
15183         (IX86_BUILTIN_PCMPEQQ): Likewise.
15184         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
15185         (IX86_BUILTIN_PMAXSB128): Likewise.
15186         (IX86_BUILTIN_PMAXSD128): Likewise.
15187         (IX86_BUILTIN_PMAXUD128): Likewise.
15188         (IX86_BUILTIN_PMAXUW128): Likewise.
15189         (IX86_BUILTIN_PMINSB128): Likewise.
15190         (IX86_BUILTIN_PMINSD128): Likewise.
15191         (IX86_BUILTIN_PMINUD128): Likewise.
15192         (IX86_BUILTIN_PMINUW128): Likewise.
15193         (IX86_BUILTIN_PMOVSXBW128): Likewise.
15194         (IX86_BUILTIN_PMOVSXBD128): Likewise.
15195         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
15196         (IX86_BUILTIN_PMOVSXWD128): Likewise.
15197         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
15198         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
15199         (IX86_BUILTIN_PMOVZXBW128): Likewise.
15200         (IX86_BUILTIN_PMOVZXBD128): Likewise.
15201         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
15202         (IX86_BUILTIN_PMOVZXWD128): Likewise.
15203         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
15204         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
15205         (IX86_BUILTIN_PMULDQ128): Likewise.
15206         (IX86_BUILTIN_PMULLD128): Likewise.
15207         (IX86_BUILTIN_ROUNDPD): Likewise.
15208         (IX86_BUILTIN_ROUNDPS): Likewise.
15209         (IX86_BUILTIN_ROUNDSD): Likewise.
15210         (IX86_BUILTIN_ROUNDSS): Likewise.
15211         (IX86_BUILTIN_PTESTZ): Likewise.
15212         (IX86_BUILTIN_PTESTC): Likewise.
15213         (IX86_BUILTIN_PTESTNZC): Likewise.
15214         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
15215         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
15216         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
15217         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
15218         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
15219         (bdesc_ptest): New.
15220         (bdesc_sse_3arg): Likewise.
15221         (bdesc_2arg): Likewise.
15222         (bdesc_1arg): Likewise.
15223         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
15224         with 3 args.
15225         (ix86_expand_sse_4_operands_builtin): New.
15226         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
15227         smaller than 8 bits as the 2nd arg.
15228         (ix86_expand_sse_ptest): New.
15229         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
15230         (ix86_expand_vector_set): Support SSE4.1.
15231         (ix86_expand_vector_extract): Likewise.
15232
15233         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
15234         __SSE4_1__ for -msse4.1.
15235
15236         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
15237         (UNSPEC_INSERTPS): Likewise.
15238         (UNSPEC_DP): Likewise.
15239         (UNSPEC_MOVNTDQA): Likewise.
15240         (UNSPEC_MPSADBW): Likewise.
15241         (UNSPEC_PHMINPOSUW): Likewise.
15242         (UNSPEC_PTEST): Likewise.
15243         (UNSPEC_ROUNDP): Likewise.
15244         (UNSPEC_ROUNDS): Likewise.
15245
15246         * config/i386/i386.opt (msse4.1): New for SSE4.1.
15247
15248         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
15249         (const_pow2_1_to_32768_operand): Likewise.
15250
15251         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
15252         file.
15253
15254         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
15255         SSE4.1.
15256         (sse4_1_insertps): Likewise.
15257         (*sse4_1_extractps): Likewise.
15258         (sse4_1_ptest): Likewise.
15259         (sse4_1_mulv2siv2di3): Likewise.
15260         (*sse4_1_mulv4si3): Likewise.
15261         (*sse4_1_smax<mode>3): Likewise.
15262         (*sse4_1_umax<mode>3): Likewise.
15263         (*sse4_1_smin<mode>3): Likewise.
15264         (*sse4_1_umin<mode>3): Likewise.
15265         (sse4_1_eqv2di3): Likewise.
15266         (*sse4_1_pinsrb): Likewise.
15267         (*sse4_1_pinsrd): Likewise.
15268         (*sse4_1_pinsrq): Likewise.
15269         (*sse4_1_pextrb): Likewise.
15270         (*sse4_1_pextrb_memory): Likewise.
15271         (*sse4_1_pextrw_memory): Likewise.
15272         (*sse4_1_pextrq): Likewise.
15273         (sse4_1_blendpd): Likewise.
15274         (sse4_1_blendps): Likewise.
15275         (sse4_1_blendvpd): Likewise.
15276         (sse4_1_blendvps): Likewise.
15277         (sse4_1_dppd): Likewise.
15278         (sse4_1_dpps): Likewise.
15279         (sse4_1_movntdqa): Likewise.
15280         (sse4_1_mpsadbw): Likewise.
15281         (sse4_1_packusdw): Likewise.
15282         (sse4_1_pblendvb): Likewise.
15283         (sse4_1_pblendw): Likewise.
15284         (sse4_1_phminposuw): Likewise.
15285         (sse4_1_extendv8qiv8hi2): Likewise.
15286         (*sse4_1_extendv8qiv8hi2): Likewise.
15287         (sse4_1_extendv4qiv4si2): Likewise.
15288         (*sse4_1_extendv4qiv4si2): Likewise.
15289         (sse4_1_extendv2qiv2di2): Likewise.
15290         (*sse4_1_extendv2qiv2di2): Likewise.
15291         (sse4_1_extendv4hiv4si2): Likewise.
15292         (*sse4_1_extendv4hiv4si2): Likewise.
15293         (sse4_1_extendv2hiv2di2): Likewise.
15294         (*sse4_1_extendv2hiv2di2): Likewise.
15295         (sse4_1_extendv2siv2di2): Likewise.
15296         (*sse4_1_extendv2siv2di2): Likewise.
15297         (sse4_1_zero_extendv8qiv8hi2): Likewise.
15298         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
15299         (sse4_1_zero_extendv4qiv4si2): Likewise.
15300         (*sse4_1_zero_extendv4qiv4si2): Likewise.
15301         (sse4_1_zero_extendv2qiv2di2): Likewise.
15302         (*sse4_1_zero_extendv2qiv2di2): Likewise.
15303         (sse4_1_zero_extendv4hiv4si2): Likewise.
15304         (*sse4_1_zero_extendv4hiv4si2): Likewise.
15305         (sse4_1_zero_extendv2hiv2di2): Likewise.
15306         (*sse4_1_zero_extendv2hiv2di2): Likewise.
15307         (sse4_1_zero_extendv2siv2di2): Likewise.
15308         (*sse4_1_zero_extendv2siv2di2): Likewise.
15309         (sse4_1_roundpd): Likewise.
15310         (sse4_1_roundps): Likewise.
15311         (sse4_1_roundsd): Likewise.
15312         (sse4_1_roundss): Likewise.
15313         (mulv4si3): Don't expand for SSE4.1.
15314         (smax<mode>3): Likewise.
15315         (umaxv4si3): Likewise.
15316         (uminv16qi3): Likewise.
15317         (umin<mode>3): Likewise.
15318         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
15319
15320         * doc/extend.texi: Document SSE4.1 built-in functions.
15321
15322         * doc/invoke.texi: Document -msse4.1.
15323
15324 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
15325
15326         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
15327         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
15328         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
15329         (ASM_SPEC): Add asm_pcrel_spec.
15330         (EXTRA_SPECS): Add asm_pcrel_spec.
15331
15332 2007-05-21  David Daney  <ddaney@avtrex.com>
15333
15334         * doc/install.texi (Building a cross compiler): Add requirements
15335         for Java cross compiler.
15336
15337 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15338
15339         PR middle-end/31995
15340         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
15341         Add loopno argument.  Use evolution_function_is_invariant_rec_p
15342         instead of evolution_function_is_constant_p.
15343         Update calls to evolution_function_is_affine_multivariate_p.
15344         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
15345         Add loopno argument.
15346         * tree-scalar-evolution.c (gather_chrec_stats): Call
15347         evolution_function_is_affine_multivariate_p with a loop
15348         number of 0.
15349         * tree-data-ref.c (analyze_miv_subscript): Likewise.
15350         (analyze_overlapping_iterations): Likewise.
15351         (access_functions_are_affine_or_constant_p): Likewise.
15352         (build_classic_dist_vector_1): If the access functions
15353         are equal, don't do anything.
15354
15355 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
15356             Paolo Carlini  <pcarlini@suse.de>
15357             Uros Bizjak  <ubizjak@gmail.com>
15358
15359         * c-cppbuiltin.c (c_cpp_builtins): Define
15360         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
15361         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
15362         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
15363         * doc/cpp.texi ([Standard Predefined Macros]): Document.
15364
15365 2007-05-21  Mike Stump  <mrs@apple.com>
15366
15367         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
15368         handling as well.
15369         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
15370
15371 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
15372
15373         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
15374         implementation if __OPTIMIZE__ is not defined.
15375         (_mm_alignr_pi8): Ditto.
15376         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15377         (_mm_inserti_si64): Ditto.
15378         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15379         (_mm_slli_epi16): Ditto.
15380         (_mm_slli_epi32): Ditto.
15381         (_mm_slli_epi64): Ditto.
15382         (_mm_srai_epi16): Ditto.
15383         (_mm_srai_epi32): Ditto.
15384         (_mm_srli_si128): Ditto.
15385         (_mm_slli_si128): Ditto.
15386         (_mm_srli_epi16): Ditto.
15387         (_mm_srli_epi32): Ditto.
15388         (_mm_srli_epi64): 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_extract_pi16): Ditto.
15395         (_m_pextrw): Ditto.
15396         (_mm_insert_pi16): Ditto.
15397         (_m_pinsrw): Ditto.
15398         (_mm_shuffle_pi16): Ditto.
15399         (_m_pshufw): Ditto.
15400         (_mm_shufle_ps): Ditto.
15401         (_mm_prefetch): Ditto.
15402
15403 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
15404
15405         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
15406         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
15407         * real.c (encode_i370_single, decode_i370_single,
15408         encode_i370_double, decode_i370_double): Functions removed.
15409         (i370_single_format, i370_double_format): Initializations removed.
15410         (real_maxval, round_for_format, exact_real_truncate, significand_size):
15411         Consider the log2_b field to always be one.
15412         (ieee_single_format, mips_single_format, coldfire_single_format,
15413         ieee_double_format, mips_double_format, coldfire_double_format,
15414         ieee_extended_motorola_format, ieee_extended_intel_96_format,
15415         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
15416         ibm_extended_format, mips_extended_format, ieee_quad_format,
15417         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
15418         decimal_single_format, decimal_double_format, decimal_quad_format,
15419         c4x_single_format, c4x_extended_format, real_internal_format): Remove
15420         initialization of log2_b.
15421         * real.h (i370_single_format, i370_double_format): Declarations
15422         removed.
15423         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
15424         field to always be one.
15425
15426 2007-05-21  Andreas Schwab  <schwab@suse.de>
15427
15428         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
15429         NOTE_INSN_BASIC_BLOCK_P.
15430         (process_for_unwind_directive): Likewise.
15431
15432 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
15433
15434         * builtins.c (expand_builtin_setjmp_setup): Update comment.
15435         * function.h (struct function): Move va_list_gpr_size,
15436         va_list_fpr_size, function_frequency to front of bitfields.  Add
15437         calls_unwind_init.
15438         (current_function_calls_unwind_init): New.
15439         * except.c (expand_builtin_unwind_init): Set
15440         current_function_calls_unwind_init not
15441         current_function_has_nonlocal_label.
15442         * reload1.c (has_nonexceptional_receiver): New.
15443         (reload): Use it and current_function_calls_unwind_init to
15444         determine whether call-saved regs must be saved.
15445
15446 2007-05-20  Jan Hubicka  <jh@suse.cz>
15447
15448         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
15449         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15450         * ddg.c (create_ddg): LIkewise.
15451         * final.c (final): Remove hunk moving line number notes around since
15452         they are no longer present at this stage.
15453         (final_scan_insn): Use NOTE_KIND instead of
15454         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15455         (output_asm_label): Likewise.
15456         * reorg.c (dbr_schedule): Likewise.
15457         * haifa-sched.c (unlink_other_notes): Likewise.
15458         * mode-switching.c (optimize_mode_switching): Likewise.
15459         * graph.c (start_bb): Likewise.
15460         * rtl.def (NOTE): Update description.
15461         * jump.c (squeeze_notes): Delete.
15462         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
15463         NOTE_INSN_BASIC_BLOCK_P when possible.
15464         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
15465         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
15466         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15467         (dwarf2out_var_location): Likewise.
15468         * cfgbuild.c (make_edges): Likewise.
15469         (find_basic_blocks_1): Likewise.
15470         * function.c (reorder_blocks_1): Likewise.
15471         (epilogue_done): Likewise.
15472         (reposition_prologue_and_epilogue_notes): Likewise.
15473         * print-rtl.c (print_rtx): Likewise; drop code for printing
15474         line number notes.
15475         (print_rtl): Likewise.
15476         (print_rtl_single): Likewise.
15477         * gcse.c (insert_insn_start_bb): Likewise.
15478         * alias.c (init_alias_analysis): Likewise.
15479         * calls.c (fixup_tail_calls): Likewise.
15480         * except.c (sjlj_emit_function_enter): Likewise.
15481         * emit-rtl.c (add_insn_after): Likeiwse.
15482         (emit_label_before): Likewise.
15483         (emit_label_after): Likewise.
15484         (emit_note_before, emit_note_after, emit_note): Update
15485         parameter to be enum insn_note; do not deal with source
15486         files.
15487         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
15488         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
15489         when possible.
15490         (merge_blocks_move_successor_nojumps): Simplify now when
15491         we don't have BLOCK notes.
15492         (try_optimize_cfg): Likewise.
15493         * cfglayout.c (skip_insns_after_block): Likewise.
15494         (record_effective_endpoints): Likewise.
15495         (duplicate_insn_chain): Likewise.
15496         * varasm.c (output_constant_pool_1): Likewise.
15497         * sched-deps.c (sched_analyze): Likewise.
15498         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
15499         Exterminate.
15500         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
15501         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
15502         (SET_INSN_DELETED): Simplify.
15503         (NOTE_LINE_NUMBER): Exterminate.
15504         (NOTE_LINE_KIND): New.
15505         (NOTE_INSN_BASIC_BLOCK_P): Update.
15506         (enum insn_note): Simplify.
15507         (GET_NOTE_INSN_NAME) Simplify.
15508         (emit_note_before, emit_note_after, emit_note): Update prototype.
15509         (squeeze_notes): Remove.
15510         * sched-int.h (NOTE_NOT_BB_P): Update.
15511         * resource.c (mark_target_live_regs): Update.
15512         * sched-rgn.c (debug_dependencies): Update.
15513         * sched-vis.c (print_insn): Update.
15514         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
15515         * config/i386/i386.c (ix86_output_function_epilogue): Update.
15516         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
15517         (TARGET_ADJUST_UNROLL_MAX): Likewise.
15518         (split_branches): Update.
15519         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
15520         4.0.0.
15521         (sh_adjust_unroll_max): Exterminate.
15522         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
15523         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
15524         (m68hc11_reorg): Likewise.
15525         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
15526         (emit_predicate_relation_info): Update.
15527         (process_for_unwind_directive): Update.
15528         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
15529         (output_call): Update.
15530         * config/pa/pa.c (output_lbranch): Update.
15531         (output_millicode_call): Update.
15532         (output_call): Update.
15533         (pa_combine_instructions): Update.
15534         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
15535         * config/bfin/bfin.c (gen_one_bundle): Update.
15536         * cfgrtl.c (can_delete_note_p): Update.
15537         (delete_insn): Update.
15538         (rtl_merge_blocks): Update.
15539         (commit_one_edge_insertion): Update.
15540         (rtl_verify_flow_info): Update.
15541         * stmt.c (expand_case): Do not call squeeze_notes.
15542
15543 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15544
15545         PR middle-end/7651
15546         PR c++/11856
15547         PR c/12963
15548         PR c/23587
15549         PR other/29694
15550         * c.opt (Wtype-limits): New.
15551         * doc/invoke.texi (Wtype-limits): Document it.
15552         (Wextra): Enabled by -Wextra.
15553         * c-opts.c (c_common_post_options): Enabled by -Wextra.
15554         * c-common.c (shorten_compare): Warn with Wtype-limits.
15555
15556 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15557
15558         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
15559         inlined function, not as a macro.
15560         (_mm_alignr_pi8): Ditto.
15561         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15562         (_mm_inserti_si64): Ditto.
15563         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15564         (_mm_extract_epi16): Ditto.
15565         (_mm_insert_epi16): Ditto.
15566         (_mm_shufflehi_epi16): Ditto.
15567         (_mm_shufflelo_epi16): Ditto.
15568         (_mm_shuffle_epi32): Ditto.
15569         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
15570         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
15571         all functions.
15572         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
15573         float constant.
15574         (_m_to_float): Use C89 compatible assignment.
15575
15576 2007-05-20  Martin Michlmayr  <tbm@cyrius.com>
15577
15578         PR target/32007
15579         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
15580
15581 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15582
15583         PR middle-end/7651
15584         * doc/invoke.texi (Wreturn-type): Complete description.
15585         (Wextra): Delete item about return-type warning.
15586         * c-decl.c: Delete redundant Wextra warning.
15587
15588 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15589
15590         PR target/31585
15591         * config/i386/pmmintrin.h: Do not include xmmintrin.h
15592         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
15593         inlined function, not as a macro.
15594         (_mm_prefetch): Ditto.
15595         (_m_pextrw): Ditto.
15596         (_mm_insert_pi16): Ditto.
15597         (_m_pinsrw): Ditto.
15598         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
15599         (_m_pshufw): Ditto. Add const to __N argument.
15600         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
15601         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
15602         (_mm_slli_epi32): Ditto.
15603         (_mm_srli_si128): Implement as always inlined function, not as a
15604         macro.  Add __inline to function declaration.
15605         (_mm_slli_si128): Ditto.
15606
15607 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
15608
15609         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
15610         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
15611         New constants.
15612         (struct fenv): New structure.
15613         (FP_HANDLE_EXCEPTIONS): New define.
15614         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
15615         (_FP_DECL_EXP): New define.
15616         (FP_INIT_ROUNDMODE): New define.
15617         (FP_ROUNDMODE): New define.
15618
15619 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15620
15621         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
15622         (Wconversion): Update description.
15623         (Wconversion-sign): New.
15624         * c.opt (Wconversion-sign): New.
15625         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
15626         means disabled for C++. Otherwise, take the status of Wconversion.
15627         * c-common.c (conversion_warning): Warn with either Wconversion or
15628         Wconversion-sign.
15629         (warnings_for_convert_and_check): Conditions are already checked by
15630         conversion_warning.
15631         (convert_and_check): Don't check warnings if the conversion failed.
15632
15633 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
15634            Anatoly Sokolov <aesok@dol.ru>
15635
15636         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
15637         avr_epilogue_uses) : Add declaration.
15638         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
15639         * config/avr/constraints.md (R): New constraint.
15640         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
15641         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
15642         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
15643         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
15644         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
15645         call_prologue_saves, epilogue_restores, return_from_epilogue,
15646         return_from_main_epilogue, return_from_interrupt_epilogue,
15647         return_from_naked_epilogue, prologue, epilogue): New patterns.
15648         (jump): Handle symbol reference.
15649         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
15650         avr_output_function_prologue, avr_output_function_epilogue): Remove
15651         functions.
15652         (avr_init_machine_status, expand_prologue, expand_epilogue,
15653         avr_asm_function_end_prologue, avr_epilogue_uses,
15654         avr_asm_function_begin_epilogue): New functions.
15655         (prologue_size, epilogue_size, jump_tables_size): Remove global
15656         variables.
15657         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
15658         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
15659         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
15660         (avr_override_options): Initialise init_machine_status.
15661         (output_movhi): Handle all stack pointer loads.
15662         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
15663         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
15664         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
15665         (EPILOGUE_USES) Redefine.
15666         (machine_function) Declare.
15667
15668 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
15669
15670         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
15671         Use a single return statement.
15672
15673 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15674
15675         PR middle-end/30250
15676         * builtins.c (do_mpfr_lgamma_r): New.
15677         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
15678         * tree.h (CASE_FLT_FN_REENT): New.
15679
15680 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
15681
15682         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
15683         (output_die): Use 'unsigned long' with %x.
15684         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
15685         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
15686         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
15687
15688         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
15689
15690 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
15691
15692         PR target/31989
15693         PR target/31681
15694         PR target/31666
15695         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
15696         true if function has no argument.
15697
15698 2007-05-18  DJ Delorie  <dj@redhat.com>
15699
15700         * config/mips/mips.c (mips_offset_within_alignment_p): New.
15701         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
15702
15703 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15704
15705         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
15706         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
15707         count_trailing_zeros.
15708         (__i386__): Implement count_leading_zeros using __builtin_clz().
15709         Implement count_trailing_zeros usign __builtin_ctz().
15710
15711 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
15712
15713         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
15714
15715 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15716
15717         PR middle-end/31344
15718         * expr.c (emit_move_change_mode): Change mode of push operands here.
15719
15720 2007-05-17  Ian Lance Taylor  <iant@google.com>
15721
15722         PR tree-optimization/31953
15723         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
15724         Change all callers.
15725         (set_value_range_to_null): Call set_value_range_to_value.
15726         (extract_range_from_comparison): Likewise.
15727
15728 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15729
15730         * toplev.c (print_version): Output GMP/MPFR version info.
15731
15732         * builtins.c (CASE_MATHFN_REENT): New macro.
15733         (mathfn_built_in): Use it.
15734         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
15735         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
15736         BUILT_IN_LGAMMAL_R): New.
15737         * doc/extend.texi: Document new builtins.
15738
15739         PR middle-end/31796
15740         * builtins.c (do_mpfr_remquo): New.
15741         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
15742         (fold_builtin_3): Handle BUILT_IN_REMQUO.
15743
15744         PR middle-end/30251
15745         * builtins.c (fold_builtin_1): Handle y0, y1.
15746         (fold_builtin_2): Handle yn.
15747
15748         PR middle-end/30251
15749         * builtins.c (do_mpfr_bessel_n): New.
15750         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
15751         (fold_builtin_2): Handle BUILT_IN_JN.
15752
15753 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
15754
15755         PR target/31965
15756         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
15757         TYPE_PRECISION (intmax_type_node).
15758
15759 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
15760
15761         PR target/31850
15762         * reload.c (subst_reloads): Remove checking.
15763
15764 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
15765
15766         PR rtl-optimization/31691
15767         * combine.c (simplify_set): Build a new src pattern instead of
15768         substituting its operands in the COMPARE case.
15769
15770 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
15771
15772         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
15773         (execute_vrp): Preserve loops through jump threading.
15774         * tree-ssa-threadupdate.c (thread_single_edge,
15775         dbds_continue_enumeration_p, determine_bb_domination_status,
15776         thread_through_loop_header): New functions.
15777         (create_edge_and_update_destination_phis,
15778         create_edge_and_update_destination_phis): Set loops for the new blocks.
15779         (prune_undesirable_thread_requests): Removed.
15780         (redirect_edges): Do not pretend that redirect_edge_and_branch can
15781         create new blocks.
15782         (thread_block): Do not call prune_undesirable_thread_requests.
15783         Update loops.
15784         (mark_threaded_blocks): Select edges to thread here.
15785         (thread_through_all_blocks): Take may_peel_loop_headers argument.
15786         Thread edges through loop headers independently.
15787         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
15788         * tree-pass.h (TODO_mark_first_instance): New.
15789         (first_pass_instance): Declare.
15790         * cfghooks.c (duplicate_block): Put the block to the original loop
15791         if copy is not specified.
15792         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
15793         jump threading.  Pass may_peel_loop_headers to
15794         thread_through_all_blocks according to first_pass_instance.
15795         * cfgloop.h (create_preheader): Declare.
15796         * tree-flow.h (thread_through_all_blocks): Declaration changed.
15797         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
15798         * passes.c (first_pass_instance): New variable.
15799         (next_pass_1): Set TODO_mark_first_instance.
15800         (execute_todo): Set first_pass_instance.
15801
15802 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
15803
15804         PR tree-optimization/24659
15805         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
15806         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
15807         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
15808         OTI_vec_pack_ufix_trunc.
15809         (vec_unpacks_float_hi_optab): Define new macro.
15810         (vec_unpacks_float_lo_optab): Ditto.
15811         (vec_unpacku_float_hi_optab): Ditto.
15812         (vec_unpacku_float_lo_optab): Ditto.
15813         (vec_pack_sfix_trunc_optab): Ditto.
15814         (vec_pack_ufix_trunc_optab): Ditto.
15815         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
15816         and vec_pack_[s|u]fix_trunc_optab using
15817         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
15818         * tree-vectorizer.c (supportable_widening_operation): Handle
15819         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
15820         (supportable_narrowing_operation): New function.
15821         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
15822         * tree-vect-transform.c (vectorizable_conversion): Handle
15823         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
15824         (vect_gen_widened_results_half): Move before vectorizable_conversion.
15825         (vectorizable_type_demotion): Call supportable_narrowing_operation()
15826         to check for target support.
15827         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
15828         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
15829         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
15830         for VEC_PACK_FIX_TRUNC_EXPR.
15831         (expand_binop): Special case mode of the result for
15832         vec_pack_[u|s]fix_trunc_optab.
15833         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
15834         vec_pack_[u|s]fix_trunc_optab.
15835
15836         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
15837         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
15838         * tree-pretty-print.c (dump_generic_node): Handle
15839         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
15840         VEC_PACK_FIX_TRUNC_EXPR.
15841         (op_prio): Ditto.
15842         * expr.c (expand_expr_real_1): Ditto.
15843         * tree-inline.c (estimate_num_insns_1): Ditto.
15844         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
15845
15846         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
15847         (vec_unpacks_float_lo_v8hi): Ditto.
15848         (vec_unpacku_float_hi_v8hi): Ditto.
15849         (vec_unpacku_float_lo_v8hi): Ditto.
15850         (vec_unpacks_float_hi_v4si): Ditto.
15851         (vec_unpacks_float_lo_v4si): Ditto.
15852         (vec_pack_sfix_trunc_v2df): Ditto.
15853
15854         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
15855         Document.
15856         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
15857         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
15858         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
15859         [vec_pack_ufix_trunc]: Ditto.
15860         [vec_unpacks_float_hi]: Ditto.
15861         [vec_unpacks_float_lo]: Ditto.
15862         [vec_unpacku_float_hi]: Ditto.
15863         [vec_unpacku_float_lo]: Ditto.
15864
15865 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
15866
15867         * soft-fp/README: Update for new files.
15868         * soft-fp/floattisf.c: New file.
15869         * soft-fp/floattidf.c: New file.
15870         * soft-fp/floattitf.c: New file.
15871         * soft-fp/floatuntisf.c: New file.
15872         * soft-fp/floatuntidf.c: New file.
15873         * soft-fp/floatuntitf.c: New file.
15874         * soft-fp/fixsfti.c: New file.
15875         * soft-fp/fixdfti.c: New file.
15876         * soft-fp/fixtfti.c: New file.
15877         * soft-fp/fixunssfti.c: New file.
15878         * soft-fp/fixunsdfti.c: New file.
15879         * soft-fp/fixunstfti.c: New file.
15880         * soft-fp/extendxftf.c: New file.
15881         * soft-fp/trunctfxf.c: New file.
15882
15883         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
15884         (__trunctfxf2): Ditto.
15885
15886         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
15887         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
15888         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
15889         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
15890         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
15891         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
15892
15893         * config/i386/t-fprules-softfp64: New file.
15894         * config/i386/sfp-machine.h: New file.
15895         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
15896         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
15897         and soft-fp/t-softfp to tmake_file.
15898         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
15899         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
15900
15901         * config/i386/t-linux64 (softfp_wrap_start): New.
15902         (softfp_wrap_end): New.
15903         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
15904         supported for TARGET_64BIT.
15905
15906 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
15907
15908         * c-common.c (c_common_signed_or_unsigned_type): Emulate
15909         c_common_unsigned_type behavior.
15910
15911 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
15912
15913         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
15914         calls as pure.
15915
15916 2007-05-16  Eric Christopher  <echristo@apple.com>
15917
15918         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
15919         saving after stack push. Set sp_offset whenever we push.
15920         (rs6000_emit_epilogue): Move altivec register restore before
15921         stack push.
15922
15923 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15924
15925         * configure.ac: Allow sysroots to be relocated under $prefix as
15926         well as $exec_prefix.
15927         * configure: Regenerate.
15928
15929 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15930
15931         Revert:
15932
15933         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15934
15935         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15936         (gcc_tooldir): Likewise.
15937         * configure: Regenerate.
15938         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15939         old configure.ac gcc_tooldir setting.
15940         (prefix_to_exec_prefix): New variable.
15941         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15942         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15943
15944 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
15945
15946         * c-typeck.c (build_binary_op): Return early for error.
15947
15948 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
15949
15950         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
15951         struct nb_iter_bound.
15952         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
15953         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
15954         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
15955         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
15956         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
15957         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
15958         (del_scev_info): Use ggc_free.
15959         (scev_initialize): Allocate scalar_evolution_info in gc memory.
15960         * loop-init.c: Include ggc.h.
15961         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
15962         (loop_optimizer_finalize): Use ggc_free.
15963         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
15964         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
15965         pass_iv_optimize): Add TODO_ggc_collect.
15966         * function.h (struct function): Remove skip marker from
15967         x_current_loops.
15968         * cfgloop.c: Include ggc.h.
15969         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
15970         memory.
15971         (establish_preds): Vector superloops is gc allocated.
15972         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
15973         loop->exits list.
15974         (flow_loops_find): Vector larray is gc allocated.
15975         (loop_exit_free): Use ggc_free.
15976         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
15977         that head of exits list is now not a part of struct loop.
15978         (record_loop_exits): Allocate exits table in gc memory.
15979         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
15980         that head of exits list is now not a part of struct loop.
15981         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
15982         struct loop_exit): Add GTY marker.
15983         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
15984         Add skip marker to aux field.  Make head of exits list a separate
15985         object.
15986         (struct loops): Add GTY marker.  Make larray vector gc allocated.
15987         Add param marker to exits table.
15988         (get_loops): Type changed.
15989         * Makefile.in (tree-scalar-evolution.o): Add
15990         gt-tree-scalar-evolution.h dependency.
15991         (cfgloop.o, loop-init.o): Add ggc.h dependency.
15992         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
15993         * basic-block.h (struct basic_block_def): Remove skip marker from
15994         loop_father field.
15995
15996 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
15997
15998         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
15999         of 0 in the call to expand_expr().
16000         (expand_builtin_mathfn_3): Ditto.
16001         (expand_builtin_interclass_mathfn): Ditto.
16002         (expand_builtin_cexpi): Ditto.
16003         (expand_builtin_int_roundingfn): Ditto.
16004         (expand_builtin_int_roundingfn_2): Ditto.
16005         (expand_builtin_pow): Ditto.
16006         (expand_builtin_powi): Ditto.
16007         (expand_builtin_bswap): Ditto.
16008         (expand_builtin_unop): Ditto.
16009         (expand_builtin_fabs): Ditto.
16010         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
16011         the call to expand_expr().
16012         (expand_builtin_sync_operation): Ditto.
16013         (expand_builtin_compare_and_swap): Ditto.
16014         (expand_builtin_lock_test_and_set): Ditto.
16015         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
16016         instead of 0 in the call to expand_expr().
16017         (expand_builtin_extract_return_addr): Ditto.
16018         (expand_builtin_eh_return): Ditto.
16019         (expand_eh_return): Ditto.
16020         * explow.c (expr_size): Ditto.
16021         * expr.c (optimize_bitfield_assignment_op): Ditto.
16022         (expand_assignement): Ditto.
16023         (store_expr): Ditto.
16024         (store_field): Ditto.
16025         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
16026         the call to expand_expr().
16027         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
16028         in the call to expand_expr().
16029         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
16030         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
16031         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
16032         of expand_expr().
16033         * optabs.c (expand_vec_shift_expr): Ditto.
16034         (expand_vec_cond_expr): Ditto.
16035         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
16036         call to expand_expr().
16037         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
16038         in the call to expand_expr().
16039
16040 2007-05-14  Dave Korn  <dave.korn@artimi.com>
16041
16042         * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
16043
16044 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
16045
16046         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
16047         instead of c_common_unsigned_type.
16048         (c_common_unsigned_type): Remove.
16049         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
16050         c_common_unsigned_type.
16051         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
16052         c_common_unsigned_type.
16053         * c-common.h (c_common_unsigned_type): Remove.
16054         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
16055         c_common_unsigned_type.
16056         * c-format.c (check_format_types): Use unsigned_type_for instead of
16057         c_common_unsigned_type.
16058         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
16059         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
16060         of c_common_unsigned_type.
16061         * convert.c (convert_to_integer): Use unsigned_type_for instead of
16062         lang_hooks.types.unsigned_type.
16063         * expmed.c (make_tree): Use unsigned_type_for instead of
16064         lang_hooks.types.unsigned_type.
16065         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
16066         lang_hooks.types.unsigned_type.
16067         (build_range_check): Likewise.
16068         (fold_unary): Likewise.
16069         (fold_binary): Likewise.
16070         (fold_ternary): Likewise.
16071         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
16072         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
16073         * tree.c (get_unsigned_type): New.
16074         (unsigned_type_for): Use get_unsigned_type instead of
16075         lang_hooks.types.unsigned_type.
16076
16077 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
16078
16079         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
16080         to m68k_get_function_kind.  Update its prototype.
16081         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
16082         interrupt_thread.
16083         (m68k_interrupt_function_p): Return enum m68k_function_type
16084         instead of bool.  Rename to m68k_get_function_kind.
16085         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
16086         target is not fido.
16087         (m68k_compute_frame_layout): Don't mark any register for save
16088         if an interrupt_thread attribute is specified.
16089         (m68k_hard_regno_rename_ok): Update a use of
16090         m68k_interrupt_function_p.
16091         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
16092         m68k_interrupt_function_p.
16093         (m68k_function_type): New.
16094         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
16095         for a function with an interrupt_thread attribute.
16096         * doc/extend.texi: Document the interrupt_thread attribute.
16097
16098 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
16099
16100         Fix PR tree-optimization/31911
16101         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
16102         if they didn't change the expression.
16103
16104 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
16105
16106         * tree-scalar-evolution.c (resolve_mixers): Exported.
16107         * tree-scalar-evolution.h (resolve_mixers): Declare.
16108         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
16109         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
16110         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
16111         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
16112         init_array_ref, init_pointer_ref, analyze_indirect_ref,
16113         strip_conversion, analyze_offset_expr, address_analysis,
16114         object_analysis, analyze_offset): Removed.
16115         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
16116         split_constant_offset, canonicalize_base_object_address,
16117         object_address_invariant_in_loop_p, disjoint_objects_p,
16118         dr_may_alias_p, dr_address_invariant_p): New functions.
16119         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
16120         and dr_analyze_alias.
16121         (initialize_data_dependence_relation): Use dr_may_alias_p
16122         and object_address_invariant_in_loop_p.
16123         (compute_self_dependence): Handle the case when
16124         DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
16125         (find_data_references_in_stmt): Restrict the analysis of data
16126         references to the given loop nest.
16127         (find_data_references_in_loop): Made static.  Pass loop nest to
16128         find_data_references_in_stmt.
16129         (compute_data_dependences_for_loop): Use DR_VOPS.
16130         (free_data_ref): Free DR_VOPS.
16131         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
16132         (struct innermost_loop_behavior): ... new.
16133         (struct base_object_info): Replaced by ...
16134         (struct indices): ... new.
16135         (struct dr_alias): New.
16136         (enum data_ref_type): Removed.
16137         (struct data_reference): Consist of struct innermost_loop_behavior,
16138         struct indices and struct dr_alias.
16139         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
16140         (DR_MEMTAG): Renamed to ...
16141         (DR_SYMBOL_TAG): ... this.
16142         (find_data_references_in_loop): Declaration removed.
16143         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
16144         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
16145         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
16146         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
16147
16148 2007-05-13  Revital Eres  <eres@il.ibm.com>
16149
16150         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
16151         which walks virtual def-use chains to find redundant stores.
16152         (dse_optimize_stmt): Call it.
16153
16154 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
16155
16156         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
16157         * passes.c (init_optimization_passes): Move pass_jump_bypass
16158         after loop2.
16159
16160         * basic-block.h (bb_has_eh_pred): Fix style issue.
16161
16162 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
16163
16164         PR rtl-optimization/31848
16165         * loop-invariant.c (move_invariant_reg): If we move an insn
16166         with a REG_EQUAL note, and that insn is not always executed,
16167         remove the REG_EQUAL note.
16168
16169 2007-05-12  Richard Guenther  <rguenther@suse.de>
16170
16171         PR tree-optimization/31797
16172         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
16173         propagate into a stmt that has volatile ops.
16174
16175 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
16176
16177         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
16178         (gcc_tooldir): Likewise.
16179         * configure: Regenerate.
16180         * Makefile.in (libsubdir_to_prefix): New variable, based on the
16181         old configure.ac gcc_tooldir setting.
16182         (prefix_to_exec_prefix): New variable.
16183         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
16184         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
16185
16186 2007-05-11  Silvius Rus  <rus@google.com>
16187
16188         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
16189         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
16190         * c-common.h (strict_aliasing_warning): Change return type.
16191         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
16192         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
16193         (build_c_cast): Condition call to strict_aliasing_warning.
16194         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
16195         * flags.h (set_Wstrict_aliasing): Declare.
16196         * opts.c (set_Wstrict_alising): Define, add call to.
16197         * tree-flow.h (strict_aliasing_warning_backend): Declare.
16198         * tree-ssa-alias-warnings.c: New file.
16199         * tree-ssa-alias.c (compute_may_aliases): Add call to
16200         strict_aliasing_warning_backend.
16201
16202 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
16203
16204         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
16205         Use loop_depth and loop_outer accessor functions.
16206         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
16207         determine_invariantness_stmt, move_computations_stmt): Ditto.
16208         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
16209         add_loop, loopify, unloop, fix_loop_structure): Ditto.
16210         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
16211         * tree-scalar-evolution.c (interpret_loop_phi,
16212         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
16213         instantiate_parameters_1, scev_const_prop): Ditto.
16214         * cfghooks.c (make_forwarder_block): Ditto.
16215         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
16216         * modulo-sched.c (loop_canon_p): Ditto.
16217         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
16218         slpeel_can_duplicate_loop_p): Ditto.
16219         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
16220         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
16221         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
16222         cancel_loop, verify_loop_structure): Ditto.
16223         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
16224         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
16225         superloops vector instead of "pred" array.
16226         (establish_preds): Take father loop as an argument.  Initialize the
16227         superloops vector.
16228         (flow_loop_tree_node_add): Pass father loop to establish_preds.
16229         Do not initialize loop->outer.
16230         (flow_loop_tree_node_remove): Truncate the superloops vector.
16231         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
16232         "pred" merged to "superloops" vector.
16233         (loop_depth, loop_outer): New.
16234         (fel_init): Use loop_outer.
16235
16236 2007-05-11  Jan Hubicka  <jh@suse.cz>
16237
16238         * cgraphunit.c: Include gt-cgraphunit.h
16239         (static_ctors, static_dtors): New static vars.
16240         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
16241         based on implementation in c-common.c
16242         (cgraph_finalize_function): Call record_cdtor_fn.
16243         (cgraph_optimize): Call cgraph_build_cdtor_fns.
16244         * decl.c (finish_function): Do not call c_record_cdtor_fn.
16245         (c_write_global_declarations): Do not call c_build_cdtor_fns.
16246         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
16247         build_cdtor, c_build_cdtor_fns): Remove.
16248         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
16249         c_build_cdtor_fns): Remove prototype.
16250
16251 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
16252
16253         PR other/31852
16254         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
16255         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
16256         * builtins.c (fold_builtin_memchr): New.
16257         (expand_builtin_memchr): Call the latter.
16258         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
16259         * doc/extend.texi ([Other built-in functions provided by GCC]):
16260         Document memchr.
16261
16262 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
16263
16264         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
16265         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
16266         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
16267         PFPO_OP1_TYPE_SHIFT): Constants added.
16268         (DFP_ALL): Mode macro defined.
16269         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
16270         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
16271         Insn definitions added.
16272         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
16273         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
16274         Expanders added.
16275
16276 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
16277
16278         PR tree-optimization/31885
16279         * tree-chrec.c (chrec_contains_undetermined): Do not consider
16280         NULL_TREE to be undetermined.
16281         (automatically_generated_chrec_p): Return false for NULL.
16282
16283 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
16284
16285         * config/bfin/bfin.h (MOVE_RATIO): Define.
16286
16287 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
16288
16289         * config.gcc (sparc-wrs-vxworks): New target.
16290         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
16291         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
16292         * config/sparc/sparc.h: Include vxworks-dummy.h.
16293         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
16294         include LABEL_REFs too.
16295         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
16296         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
16297         VxWorks.
16298         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
16299         on VxWorks.
16300         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
16301         (sparc_emit_call_insn): New function.
16302         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
16303         functions when generating VxWorks PIC.
16304         * config/sparc/sparc.md (vxworks_load_got): New pattern.
16305         (call, call_value): Use sparc_emit_call_insn instead of
16306         emit_call_insn.
16307
16308 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
16309
16310         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
16311
16312 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
16313
16314         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
16315         for floating-point values if HOST_BITS_PER_LONG > 32.  Use
16316         split_double instead of operand_subword.
16317
16318 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
16319
16320         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
16321         * config/bfin/bfin.c (bfin_local_alignment): New function.
16322         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
16323
16324 2007-05-08  Chao-ying Fu  <fu@mips.com>
16325
16326         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
16327         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
16328         (smsub_widen_optab, umsub_widen_optab): Define.
16329         * optabs.c (init_optabs): Initialize smsub_widen_optab and
16330         umsub_widen_optab.
16331         * genopinit.c (optabs): Fill in smsub_widen_optab and
16332         umsub_widen_optab.
16333         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
16334         and umsub_widen_optab to implement multiply-subtract sequences.
16335         * config/mips/mips.md (*msac<u>_di): Rename to...
16336         (<u>msubsidi4): ...this.  Extend condition to include
16337         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
16338         of operand 0 to "ka" and use the three-operand form of msub<u>
16339         for TARGET_DSPR2.
16340         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
16341         to define_expands.
16342
16343 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
16344
16345         PR rtl-optimization/28011
16346         * reload.c (push_reload): Set dont_share if IN appears in OUT
16347         also when IN is a PLUS rtx.
16348         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
16349         are same PLUS rtx.
16350
16351 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
16352
16353         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
16354         call unshare_all_decls.
16355         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
16356         (unshare_all_decls): Remove.
16357
16358 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
16359
16360         PR 31847
16361         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
16362         dumps.
16363
16364 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
16365             Nigel Stephens  <nigel@mips.com>
16366
16367         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
16368         Update comments and all uses.
16369         (MIN_FPRS_PER_FMT): Define.
16370         * config/mips/mips.c (function_arg): Fix to correctly handle
16371         the -mips32r2 -mfp64 -mabi=32 case.
16372         (override_options): Enable use of odd-numbered registers for
16373         SFmode values on MIPS32.
16374         (mips_save_reg_p): Save whole floating-point register pair if
16375         either half is used.
16376         (compute_frame_size): Fix comment.
16377
16378 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
16379
16380         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
16381         argument of type bool.
16382         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
16383         argument. Safely select temporary P register according to it.
16384         (do_link): Change call site of add_to_reg accordingly.
16385         (do_unlink): Add epilogue_p as a fourth argument and pass it
16386         to add_to_reg.
16387         (expand_interrupt_handler_epilogue): Change call of do_unlink
16388         accordingly.
16389         (bfin_expand_prologue): Add a third argument sibcall_p.
16390         * config/bfin/bfin.md (epilogue): Change call of
16391         bfin_expand_epilogue accordingly.
16392         (sibcall_epilogue): Likewise.
16393         (eh_return_internal): Likewise.
16394
16395         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
16396         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
16397         * config/bfin/bfin.c (bfin_handle_option): Handle
16398         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
16399         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
16400         Support bf534, bf536 and bf561.
16401         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
16402
16403 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
16404
16405         PR target/31854
16406         * config/i386/i386.c (ix86_function_regparm): Process local
16407         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
16408
16409 2007-05-07  Mike Stump  <mrs@apple.com>
16410
16411         * doc/invoke.texi (Warning Options): Document that -Wempty-body
16412         also checks for and while statements in C++.
16413
16414 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
16415
16416         * gcc.c (at_file_supplied): New variable.
16417         (main): Set it if we expanded argv.
16418         (do_spec_1): Pass an @-file to the linker if we were called with
16419         an @-file argument and HAVE_GNU_LD.
16420         * collect2.c (at_file_supplied): New variable.
16421         (response_file): New variable.
16422         (collect_exit): Unlink response_file if necessary.
16423         (handler): Likewise.
16424         (do_wait): Likewise.
16425         (main): Set at_file_supplied if we expanded argv.
16426         (collect_execute): Pass an @-file to subprocesses if we were called
16427         with an @-file argument.
16428         * configure.ac: Add define for HAVE_GNU_LD.
16429         * configure: Regenerate.
16430         * config.in: Regenerate.
16431
16432 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
16433
16434         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
16435         operand to HI mode.
16436         (mulsi3): New.
16437         (divsi3): New.
16438         (udivsi3): New.
16439
16440 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
16441
16442         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
16443         (TARGET_ENCODE_SECTION_INFO): Re-define.
16444         (m32c_encode_section_info): New
16445         (function_vector_handler): New
16446         (current_function_special_page_vector): New
16447         (m32c_special_page_vector_p): New.
16448         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
16449         Prototype.
16450         * config/m32c/jump.md: Added instruction JSRS for functions
16451         with attribute "function_vector".
16452         * doc/extend.texi (function_vector): Added description
16453         for M16C, M32C targets.
16454
16455 2007-05-07  DJ Delorie  <dj@redhat.com>
16456
16457         PR 31794
16458         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
16459         ashrpsi3, lshrpsi3): Update shift count constraint.
16460
16461 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
16462             Nathan Froyd  <froydnj@codesourcery.com>
16463
16464         PR 22133
16465         * c-incpath.c (add_path): Strip trailing path separators.
16466
16467 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
16468
16469         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
16470         Free dominance info before purging EH edges.
16471         (eliminate_degenerate_phis): Likewise.
16472         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
16473
16474 2007-05-07  Jan Hubicka  <jh@suse.cz>
16475
16476         * gimplify.c (gimplify_expr): Do not crash when folding
16477         (void *)(int)&a + 4.
16478
16479 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
16480
16481         PR driver/31694
16482         * c-opts.c (lang_fortran): Make it non static.
16483         * c-common.h (lang_fortran): New prototype.
16484         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
16485         -lang-fortran option was passed by the driver.
16486
16487 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
16488
16489         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
16490         of ASSERT_CHECKING.  Tweak message.
16491
16492 2007-05-06  Revital Eres  <eres@il.ibm.com>
16493
16494         PR 30957
16495         * loop-unroll.c (insert_var_expansion_initialization):
16496         Initialize the expansions with -zero instead of +zero.
16497
16498 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
16499
16500         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
16501         into pic and non-pic versions. Mark r19 as used for
16502         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
16503         for tgd_load, tld_load and tie_load .
16504         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
16505         version of tgd_load, tld_load and tie_load depending on the
16506         value of flag_pic.
16507
16508 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
16509             Jakub Jelinek  <jakub@redhat.com>
16510
16511         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
16512         (__do_global_dtors_aux): Use more paranoid loop to run
16513         destructors if HIDDEN_DTOR_LIST_END.
16514         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
16515
16516 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
16517
16518         * varasm.c (align_variable): Don't increase alignment for
16519         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
16520         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
16521
16522 2007-05-04  Josh Conner  <jconner@apple.com>
16523
16524         * basic-block.h (cdi_direction): Assign values to all enumeration
16525         constants.
16526         (dom_computed): Remove.
16527         (dom_info_state): New.
16528         (set_dom_info_availability): New.
16529         * tree-ssa-loop-im.c (determine_invariantness): Initialize
16530         walk_data.dom_direction.
16531         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
16532         instead of dom_computed[].
16533         (split_edge): Likewise.
16534         (create_basic_block): Likewise.
16535         (merge_blocks): Likewise.
16536         * ifcvt.c (find_if_header): Likewise.
16537         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
16538         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16539         * tree-ssa.c (verify_ssa): Likewise.
16540         * tree-cfg.c (tree_verify_flow_info): Likewise.
16541         (remove_edge_and_dominated_blocks): Likewise.
16542         * dominance.c (dom_computed): Make static.
16543         (calc_dfs_tree_nonrec): Change third param to a bool.
16544         (calc_dfs_tree): Change second param to a bool.
16545         (calc_idioms): Change second param to a bool.  Use
16546         dom_convert_dir_to_idx.
16547         (init_dom_info): Validate dir before using.
16548         (dom_convert_dir_to_idx): New.
16549         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
16550         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
16551         (free_dominance_info): Use dom_convert_dir_to_idx.
16552         (get_immediate_dominator): Likewise.
16553         (set_immediate_dominator): Likewise.
16554         (get_dominated_by): Likewise.
16555         (redirect_immediate_dominators): Likewise.
16556         (nearest_common_denominator): Likewise.
16557         (dominated_by_p): Likewise.
16558         (bb_dom_dfs_in): Likewise.
16559         (bb_dom_dfs_out): Likewise.
16560         (recount_dominator): Likewise.
16561         (iterate_fix_dominators): Likewise.
16562         (add_to_dominance_info): Likewise.
16563         (delete_from_dominance_info): Likewise.
16564         (first_dom_son): Likewise.
16565         (next_dom_son): Likewise.
16566         (dom_info_available_p): Likewise.
16567         (dom_info_state): New.
16568         (set_dom_info_availability): New.
16569
16570 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16571
16572         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
16573         Expander removed.
16574         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
16575
16576 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
16577
16578         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
16579         (subdi3, subdi_carry): Delete.
16580
16581 2007-05-04  Jan Hubicka  <jh@suse.cz>
16582             Richard Guenther  <rguenther@suse.de>
16583
16584         * opts.c (decode_options): Do not fiddle with inlining
16585         parameters in case of optimizing for size.
16586         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
16587         for size do nothing.
16588         (cgraph_decide_inlining_of_small_function): When optimizing for
16589         size never inline functions increasing caller size.
16590         (cgraph_early_inlining): Inline for size when optimizing for size.
16591
16592 2007-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
16593
16594         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
16595         logical operations piecewise.
16596         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
16597         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
16598         subdi_sesidi_di): Delete.
16599         (add_with_carry): Produce carry in CC instead of a DREG to shorten
16600         the generated sequence.  Allow three-reg add in constraints.  Rewrite
16601         the rtl expression for carry to avoid zero_extend of a constant.
16602         (sub_with_carry): New pattern.
16603         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
16604         different sequence not involving jumps.
16605         (notbi): Now a named pattern.
16606
16607 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
16608
16609         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
16610         Add the note about a significant loss of accuracy of some
16611         mathematical routines when these options are used.
16612
16613 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16614
16615         * haifa-sched.c (rtx_vec_t): New typedef.
16616         (contributes_to_priority_p): Extract piece of priority () into new
16617         static function.
16618         (priority): Use the function.  Add assertion.
16619         (rank_for_schedule, set_priorities): Add assertion to check that
16620         insn's priority is initialized.
16621         (clear_priorities, calc_priorities): Change signature.  Make it update
16622         all relevant insns.  Update all callers ('add_to_speculative_block ()'
16623         and 'create_block_check_twin ()').
16624         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
16625         Add new field 'priority_status'.
16626         (INSN_PRIORITY_STATUS): New macro.
16627         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
16628
16629 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16630
16631         * sched-ebb.c (debug_ebb_dependencies): New static function.
16632         (init_ready_list): Use it.
16633
16634         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
16635         with changed signature and 'debug_rgn_dependencies ()'.
16636         (debug_rgn_dependencies): New static function.
16637         (init_ready_list): Use it.
16638
16639         * sched-int.h (debug_dependencies): Declare.
16640
16641 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16642
16643         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
16644
16645 2007-05-04  Dirk Mueller  <dmueller@suse.de>
16646
16647         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
16648
16649 2007-05-03  Jan Hubicka  <jh@suse.cz>
16650
16651         * fold-const.c (fold_unary): Convert (T1)(X op Y) into
16652         ((T1)X op (T1)Y), for pointer type in more cases than before.
16653
16654         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
16655
16656         * tree-object-size.c (plus_expr_object_size): When operand size is
16657         unknown, return unknown.
16658
16659 2007-05-03  Dirk Mueller  <dmueller@suse.de>
16660
16661         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
16662
16663         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
16664         options.
16665
16666         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
16667
16668 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
16669
16670         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
16671
16672 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
16673
16674         * config/soft-fp/double.h, config/soft-fp/extended.h,
16675         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
16676         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
16677         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
16678         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
16679         glibc CVS.
16680
16681 2007-05-03  Ian Lance Taylor  <iant@google.com>
16682
16683         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
16684         MASK_PPC_GFXOPT for 8540 or 8548.
16685
16686 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16687
16688         * tree-vect-transform.c (vect_update_inits_of_drs): Use
16689         vect_print_dump_info() to output debug information.
16690
16691 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16692
16693         PR target/31768
16694         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
16695         operands of size 2 when operand is not MEM_P.
16696
16697 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16698
16699         PR tree-optimization/30565
16700         * lambda-code.c (perfect_nestify): Fix updating of dominators.
16701
16702 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
16703
16704         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
16705         (umulsi3_highpart): Use them.
16706         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
16707         for final accumulator to D regisster tranfser.
16708
16709 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
16710
16711         PR tree-optimization/31699
16712         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
16713         wrong code.
16714         (vect_enhance_data_refs_alignment): Compute peel amount using
16715         TYPE_VECTOR_SUBPARTS instead of vf.
16716         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
16717
16718 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
16719
16720         PR bootstrap/31776
16721         * system.h: Remove inclusion of double-int.h
16722         * tree.h: Include double-int.h
16723         * gengtype.c: Likewise
16724         * cfgloop.h: Likewise
16725         * Makefile.in: Adjust dependencies on double-int.h
16726
16727 2007-05-02  Eric Christopher  <echristo@apple.com>
16728
16729         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
16730         -shared to -Zdynamiclib.
16731
16732 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
16733
16734         PR c++/31663
16735         * c-common.c (strip_pointer_or_array_types): New function.
16736         * c-common.h (strip_pointer_or_array_types): New function declaration.
16737
16738 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16739
16740         PR tree-optimization/31771
16741         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
16742
16743 2007-05-02  Paul Brook  <paul@codesourcery.com>
16744
16745         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
16746
16747 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16748
16749         PR middle-end/29715
16750         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
16751         transformation.
16752
16753 2007-05-02  Nick Clifton  <nickc@redhat.com>
16754
16755         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
16756
16757 2007-05-02  Richard Guenther  <rguenther@suse.de>
16758
16759         PR tree-optimization/31146
16760         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
16761         argument, single_use_p.  If we have a single use that is
16762         a conversion to the definition rhs type, propagate that rhs.
16763         (forward_propagate_addr_expr): Pass single_use_p argument
16764         to forward_propagate_addr_expr_1.
16765
16766 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
16767
16768         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
16769         variable.
16770
16771 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16772
16773         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
16774         'AMD Family 10 core'.
16775
16776 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16777
16778         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
16779         and athlon64-sse3 as improved versions of k8, opteron and athlon64
16780         with SSE3 instruction set support.
16781         * doc/invoke.texi: Likewise.
16782
16783 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16784
16785         * config/i386/i386.c (override_options): Tuning 32-byte loop
16786         alignment for amdfam10 architecture. Increasing the max loop
16787         alignment to 24 bytes.
16788
16789 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
16790
16791         * config/m68k/constraints.md: New.
16792         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
16793         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
16794         EXTRA_CONSTRAINT): Remove.
16795         * config/m68k/m68k.md: Include constraints.md.
16796         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
16797
16798 2007-05-01  Ian Lance Taylor  <iant@google.com>
16799
16800         PR tree-optimization/31739
16801         * tree-vrp.c (vrp_val_is_max): New static function.
16802         (vrp_val_is_min): New static function.
16803         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
16804         copying the node.
16805         (set_value_range): Use vrp_val_is_{max,min}.
16806         (extract_range_from_assert): Likewise.
16807         (extract_range_from_binary_expr): Likewise.
16808         (extract_range_from_unary_expr): Likewise.
16809         (dump_value_range, vrp_meet): Likewise.
16810         (vrp_visit_phi_node): Likewise.
16811         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
16812
16813 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
16814
16815         * config/i386/gmon-sol2.c (size_t): New type.
16816         (intptr_t): Likewise.
16817         (s_textsize): Declare as size_t.
16818         (sbrk): Declare.
16819         (monstartup): Use size_t for sizes.
16820         (_mcount): Save and restore registers.
16821         (internal_mcount): Pass 0 as the first argument to monstartup
16822         in 64-bit mode.
16823         (moncontrol): Convert pointer to appropriately sized integer
16824         before passing to profil.
16825
16826 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16827
16828         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
16829         __NO_FPRS__, not just if _SOFT_DOUBLE.
16830         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
16831         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
16832         also for E500 double.
16833         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
16834         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
16835         && !TARGET_FPRS).
16836
16837 2007-05-01  Richard Guenther  <rguenther@suse.de>
16838
16839         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
16840         is NULL.
16841
16842 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16843
16844         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
16845
16846 2007-05-01  Jan Hubicka  <jh@suse.cz>
16847
16848         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
16849         invariant.
16850
16851 2007-05-01  Jan Hubicka  <jh@suse.cz>
16852
16853         * tree.h (maybe_fold_offset_to_component_ref): Remove.
16854         (maybe_fold_offset_to_reference): Declare.
16855         * fold-const.c (fold_unary): Do not fold
16856         (type *)&A into &A->field_of_type_and_offset_0
16857         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
16858         size is unknown, give up.
16859         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
16860         offsets.
16861         (maybe_fold_offset_to_reference): New.
16862         (maybe_fold_stmt_indirect): Use it.
16863         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
16864         * gimplify.c (gimplify_conversion): Canonicalize conversions to
16865         field references.
16866         (gimplify_expr): Likewise for plus_expr.
16867
16868 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
16869
16870         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
16871         bsi_after_labels.  Always insert statements before bsi.
16872         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
16873         * predict.c (apply_return_prediction): Check for empty blocks.
16874         * cfgexpand.c (lab_rtx_for_bb): New variable.
16875         (label_rtx_for_bb): Do not create new tree labels.
16876         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
16877         (tree_expand_cfg): Initialize lab_rtx_for_bb.
16878         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
16879         creating edges.
16880         (label_for_bb): Add field used.
16881         (update_eh_label, main_block_label): Mark the label used.
16882         (cleanup_dead_labels): Remove unused labels.
16883
16884 2007-05-01  Richard Guenther  <rguenther@suse.de>
16885
16886         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
16887         if it is not about to be set.
16888         (get_value_range): Do not pre-allocate equiv bitmap.
16889         (update_value_range): No need to clear equiv field.
16890         (add_equivalence): Change prototype to get bitmap pointer.
16891         Allocate bitmap here if it is not already.
16892         (extract_range_from_assert): Do not allocate bitmap here.
16893         Update callers to add_equivalence.
16894         (extract_range_from_ssa_name): Likewise.
16895         (get_vr_for_comparison): New static helper.
16896         (compare_name_with_value): Handle NULL equiv bitmap by
16897         peeling the first iteration of the comparison loop.
16898         Use get_vr_for_comparison.
16899         (compare_names): Handle NULL equiv bitmaps by using fake
16900         ones.  Use get_vr_for_comparison.
16901
16902 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
16903
16904         * double-int.c (mpz_set_double_int): Moved from
16905         tree-ssa-loop-niter.c.
16906         (mpz_get_double_int): Likewise; also, add option to wrap
16907         out-of-range integers.
16908         * double-int.h: New prototypes for above.
16909         * tree.c (get_static_type_bounds): Moved from
16910         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
16911         TYPE_MAX_VALUE if they exist..
16912         * tree.h: New prototype for above.
16913         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
16914         get_type_bounds calls.
16915         (mpz_set_double_int): Move to double-int.c.
16916         (get_type_bounds): Move to tree.c, rename to
16917         get_static_type_bounds.
16918         (mpz_to_double_int): Move to double-int.c, rename to
16919         mpz_get_double_int.
16920
16921 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
16922
16923         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
16924         DIV0 exception can fall through to a normal return.
16925
16926 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
16927
16928         PR middle-end/22156
16929         Temporarily revert:
16930         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
16931         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
16932         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16933         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
16934         initialize align to silence bogus warning.
16935         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16936         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
16937         all_no_warning.
16938         (struct sra_walk_fns): Remove use_all parameter from use.
16939         (sra_hash_tree): Handle BIT_FIELD_REFs.
16940         (sra_elt_hash): Don't hash bitfld blocks.
16941         (sra_elt_eq): Skip them in parent compares as well.  Handle
16942         BIT_FIELD_REFs.
16943         (sra_walk_expr): Don't maintain or pass down use_all_p.
16944         (scan_use): Remove use_all parameter.
16945         (scalarize_use): Likewise.  Re-expand assignment to
16946         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
16947         output, and re-scalarize after output.  Don't mark anything
16948         for no warning.
16949         (scalarize_ldst): Adjust.
16950         (scalarize_walk_gimple_modify_statement): Likewise.
16951         (build_element_name_1): Handle BIT_FIELD_REFs.
16952         (instantiate_element): Don't warn for any element whose parent
16953         is used as a whole.
16954         (instantiate_missing_elements_1): Return the sra_elt.
16955         (canon_type_for_field): New.
16956         (try_instantiate_multiple_fields): New.
16957         (instantiate_missing_elemnts): Use them.
16958         (mark_no_warning): Removed.
16959         (generate_one_element_ref): Handle BIT_FIELD_REFs.
16960         (REPLDUP, sra_build_elt_assignment): New.
16961         (generate_copy_inout): Use them.
16962         (generate_element_copy): Likewise.  Handle bitfld differences.
16963         (generate_element_zero): Don't recurse for blocks.  Use
16964         sra_build_elt_assignment.
16965         (generate_one_element_int): Take elt instead of var.  Use
16966         sra_build_elt_assignment.
16967         (generate_element_init_1): Adjust.
16968         (scalarize_use, scalarize_copy): Use REPLDUP.
16969         (scalarize_ldst): Move assert before dereference.
16970         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
16971
16972 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16973
16974         PR C++/31721
16975         * tree.c (reconstruct_complex_type): Reconstruct a reference
16976         correctly.
16977         Also use the same mode for the pointer as the old pointer type.
16978
16979 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
16980
16981         * doc/trouble.texi (Interoperation): Remove note about Ultrix
16982         Fortran compiler.
16983
16984 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
16985
16986         PR rtl-optimization/31676
16987         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
16988         (df_refs_record): Call it.
16989
16990 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
16991
16992         * rtl.def (SS_ABS): New code.
16993         * config/bfin/bfin.c (print_operand): New modifier 'v'.
16994         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
16995         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
16996         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
16997         (bfin_init_builtins): Define them.
16998         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
16999         (bfin_expand_builtin): ... and handle the others here.
17000         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
17001         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
17002         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
17003         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
17004         operand is only HImode.
17005
17006 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
17007
17008         * regclass.c (scan_one_insn): Remove splitting of
17009         two address insns.
17010
17011 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
17012             Nigel Stephens  <nigel@mips.com>
17013
17014         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
17015
17016 2007-04-28  Jan Hubicka  <jh@suse.cz>
17017
17018         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
17019         insn_locators_alloc instead of insn_locators_initialize;
17020         call reset_block_changes.
17021         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
17022         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
17023         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
17024         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
17025         * config/score/score.c (th_output_mi_thunk): Likewise.
17026         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
17027         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
17028         tolerate uninitialized locator info.
17029
17030         Re-apply:
17031         * function.c (init_function_start): Don't init line number info.
17032         (expand_function_end): Update.
17033         (reset_block_changes, record_block_change, finalize_block_changes,
17034         check_block_change, free_block_changes): Kill.
17035         * function.h (reset_block_changes, record_block_change,
17036         finalize_block_changes, check_block_change, free_block_changes):
17037         Remove prototypes.
17038         (struct function): Remove ib_boundaries_block.
17039         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17040         Use curr_insn_locator to initialize locator.
17041         (emit_line_note): Remove.
17042         * cfgexpand.c (expand_gimple_cond_expr): Update.
17043         (construct_exit_block): Likewise.
17044         (tree_expand_cfg): Initialize/finalize locators.
17045         * expr.c (expand_expr_real): Update.
17046         * cfglayout.c (line_locators_locs, line_locators_lines,
17047         file_locators_locs, file_locators_files): Remove.
17048         (set_block_levels): Move to cfgexpand.c.
17049         (insn_locators_initialize): Remove.
17050         (pass_insn_locators_initialize): Remove.
17051         (locations_locators_locs, locations_locators_vals): New static vars.
17052         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17053         Likewise.
17054         (insn_locators_alloc, insn_locators_finalize,
17055         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17056         New functions.
17057         (locator_location): New.
17058         (locator_line, locator_file): Rewrite.
17059         * rtl.h (emit_line_note): Kill.
17060         (insn_locators_alloc, insn_locators_finalize,
17061         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17062         Declare.
17063         * tree-inline.c (initialize_cfun): Do not initialize
17064         ib_boundaries_block.
17065         * passes.c (pass_insn_locators_initialize): Remove.
17066
17067 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
17068
17069         * tree-cfg.c (move_block_to_fn): Release bb from dominance
17070         info.  Update last_basic_block correctly.
17071
17072 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
17073
17074         PR target/31701
17075         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
17076         register itself to hold the offset constant.  Tell flow the use
17077         of r4 and r5 when they are used.
17078
17079 2007-04-27  Richard Guenther  <rguenther@suse.de>
17080
17081         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
17082         if we simplified anything.
17083         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
17084         warnings until we did a simplification and the stmt was not
17085         marked as TREE_NO_WARNING.
17086
17087 2007-04-27  Mike Stump  <mrs@apple.com>
17088
17089         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
17090
17091 2007-04-27  Ian Lance Taylor  <iant@google.com>
17092
17093         PR middle-end/31710
17094         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
17095         TYPE_MAX_VALUE exist, convert them to the new type.
17096
17097 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
17098
17099         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
17100         if it claims to be available.
17101         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
17102         edge is redirected.
17103         (perform_tree_ssa_dce): Always free postdominators.
17104
17105 2007-04-27  Richard Henderson  <rth@redhat.com>
17106
17107         * config/alpha/predicates.md (aligned_memory_operand): Mark
17108         as define_special_predicate.
17109         (unaligned_memory_operand, normal_memory_operand): Likewise.
17110         (reg_or_unaligned_mem_operand): Remove.
17111         (any_memory_operand): Match the documentation and check for
17112         non-renumbered pseudos during reload.
17113         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
17114         alpha_secondary_reload_class, update to new interface, make static.
17115         Handle CQImode like HImode.  Remove FP subreg check.
17116         (alpha_expand_mov): Use replace_equiv_address.
17117         (alpha_expand_mov_nobwx): Use any_memory_operand.
17118         (TARGET_SECONDARY_RELOAD): New.
17119         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
17120         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
17121         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
17122         * config/alpha/alpha.md: ... here.
17123         (RELOAD12, reloadmode): New.
17124         (movcqi): New.
17125         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
17126         Don't handle the aligned case here.
17127         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
17128         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
17129         reload_inhi_help.  Don't expect a scratch register.
17130         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
17131         reload_outhi_help.
17132         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
17133
17134 2007-04-27  Richard Guenther  <rguenther@suse.de>
17135
17136         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
17137
17138 2007-04-27  Richard Guenther  <rguenther@suse.de>
17139
17140         PR tree-optimization/30965
17141         PR tree-optimization/30978
17142         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
17143         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
17144         (find_equivalent_equality_comparison): Likewise.
17145         (simplify_cond): Likewise.
17146         (get_prop_source_stmt): New helper.
17147         (get_prop_dest_stmt): Likewise.
17148         (can_propagate_from): Likewise.
17149         (remove_prop_source_from_use): Likewise.
17150         (combine_cond_expr_cond): Likewise.
17151         (forward_propagate_comparison): New function.
17152         (forward_propagate_into_cond): Rewrite to use fold for
17153         tree combining.
17154         (tree_ssa_forward_propagate_single_use_vars): Call
17155         forward_propagate_comparison to propagate comparisons.
17156
17157 2007-04-27  Richard Guenther  <rguenther@suse.de>
17158
17159         PR tree-optimization/31715
17160         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
17161         sure to do computation on the offset in an appropriate
17162         signed type.
17163
17164 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
17165
17166         * reload.h (elimination_target_reg_p): Declare.
17167         * reload.c (find_reloads): Don't apply the reg_rtx move
17168         optimization if the SET_DEST satisfies elimination_target_reg_p.
17169         * reload1.c (elimination_target_reg_p): New function.
17170         (gen_reload): In the move/add2 fallback, make sure that op0
17171         does not overlap the destination register.
17172
17173 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
17174
17175         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
17176         transform only GIMPLE_MODIFY_STMTs.
17177         * tree-complex.c (expand_complex_operations_1): Ditto.
17178         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
17179         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
17180         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
17181         branches.
17182         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
17183         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
17184         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
17185         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
17186         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
17187         slpeel_add_loop_guard): Ditto.
17188         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
17189         * lambda-code.c (perfect_nestify): Ditto.
17190         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
17191         before the first statement.
17192         * tree-optimize.c (execute_free_datastructures): Fix comments.
17193         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
17194         * tree-flow.h (disband_implicit_edges): Declaration removed.
17195         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
17196         branches.
17197         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
17198         COND_EXPRs without gotos.
17199         (disband_implicit_edges, has_label_p): Removed.
17200         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
17201         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
17202         branches.
17203         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
17204         side effects.
17205         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
17206         also for COND_EXPRs.
17207         * cfgexpand.c (label_rtx_for_bb): New function.
17208         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
17209         Use label_rtx_for_bb to find the labels.
17210         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
17211         last block.  Detect fallthru edges.
17212
17213 2007-04-26  Ian Lance Taylor  <iant@google.com>
17214
17215         PR target/28675
17216         * reload.c (find_reloads_subreg_address): If the address was valid
17217         in the original mode but not in the new mode, reload the whole
17218         address.
17219
17220 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
17221
17222         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
17223         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
17224         (cleanup_control_expr_graph): Do not invalidate dominance info.
17225         Record altered blocks.
17226         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
17227         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
17228         cleanup_tree_cfg_bb): New functions.
17229         (remove_forwarder_block): Do not maintain the worklist of blocks.
17230         Record altered blocks.
17231         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
17232         not over whole cfg.
17233         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
17234         delete_unreachable_blocks if dominators are not available.
17235         * tree-inline.c (optimize_inline_calls): Free dominance information
17236         earlier.
17237         * tree-flow.h (remove_edge_and_dominated_blocks,
17238         cfgcleanup_altered_bbs): Altered.
17239         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
17240         blocks.
17241         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
17242         functions.
17243         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
17244         do not invalidate dominators.
17245
17246 2007-04-26  Anatoly Sokolov <aesok@post.ru>
17247
17248         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
17249         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
17250         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
17251         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
17252
17253 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
17254
17255         * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
17256
17257 2007-04-26  Richard Guenther  <rguenther@suse.de>
17258
17259         PR tree-optimization/31703
17260         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
17261         the right type for the target of the bittest.
17262
17263 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17264
17265         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
17266         ix86_sol10_return_in_memory.
17267
17268 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17269
17270         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
17271         variables.
17272
17273 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
17274
17275         PR c++/31598
17276         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
17277
17278         PR tree-optimization/30558
17279         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
17280         clear this_state.prev_try.
17281
17282 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17283             Mark Mitchell  <mark@codesourcery.com>
17284
17285         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
17286         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
17287         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
17288
17289 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17290
17291         PR driver/31107
17292         * doc/invoke.texi (%:print-asm-header): Document.
17293         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
17294         and -ftarget-help.
17295         (static_spec_functions): Add print-asm-header.
17296         (main): Print a banner before the --target-help linker options.
17297         (print_asm_header_spec_function): New function.
17298
17299 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
17300
17301         PR target/31403
17302         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
17303         (movsf_ie): Likewise.
17304
17305 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
17306
17307         * doc/extend.texi ([Type Traits]): Adjust per N2255.
17308
17309 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
17310
17311         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
17312         exception for divide-by-zero.
17313         (__umodsi3, __modsi3): Likewise.
17314
17315 2007-04-25  Dirk Mueller  <dmueller@suse.de>
17316
17317         * c-typeck.c (build_compound_expr): Annotate warning()
17318         call with OPT_Wunused_value.
17319         * tree-ssa.c (warn_uninit): Annotate warning with
17320         OPT_Wunintialized.
17321         * c-common.c (handle_sentinel_attribute): Annotate warning
17322         call with OPT_Wattributes.
17323
17324 2007-04-25  Thiemo Seufer  <ths@mips.com>
17325
17326         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
17327         (mips16): Fix typo.
17328         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
17329         on to the assembler.  Improve handling of -mno-mips16.  Add handling
17330         of -mno-mips3d, -mno-dsp, -mno-dspr2.
17331         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
17332         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
17333         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
17334
17335 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
17336
17337         PR target/31680
17338         * config/i386/winnt.c (i386_pe_file_end): Strip only
17339         USER_LABEL_PREFIX when writing export name.
17340
17341 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
17342
17343         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
17344         sh/elf.h, vx-common.h and vxworks.h.
17345         * config/sh/sh.h: Include config/vxworks-dummy.h.
17346         (SUBTARGET_OVERRIDE_OPTIONS): Define.
17347         (OVERRIDE_OPTIONS): Use it.
17348         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
17349         (vxworks_picreg): New pattern.
17350         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
17351         VXWORKS_OS_CPP_BUILTINS.
17352         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
17353         to their VXWORKS_* equivalents.
17354         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
17355         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
17356         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
17357         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
17358         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
17359         -mrtp/-fPIC multilibs.
17360         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
17361         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
17362         (MULTILIB_OSDIRNAMES): Delete.
17363
17364 2007-04-25  Anatoly Sokolov <aesok@post.ru>
17365
17366         PR target/18989
17367         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
17368
17369 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
17370
17371         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
17372         rounding mode to be specified by the caller.
17373         (real_to_mpfr) Likewise.
17374         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
17375         include new arguments.
17376         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
17377
17378 2007-04-24  Ian Lance Taylor  <iant@google.com>
17379
17380         PR tree-optimization/31605
17381         * tree-vrp.c (set_value_range): Check that min and max are not
17382         both overflow infinities.
17383         (set_value_range_to_value): New static function.
17384         (extract_range_from_binary_expr): Call set_value_range_to_value.
17385         (extract_range_from_cond_expr): Likewise.
17386         (extract_range_from_expr): Likewise.
17387         (extract_range_from_unary_expr): Likewise.  Don't create a range
17388         which overflows on both sides.
17389         (vrp_meet): Check for a useless range.
17390         (vrp_visit_phi_node): If we see a constant which looks like an
17391         overflow infinity, turn off the TREE_OVERFLOW flag.
17392
17393 2007-04-24  Ian Lance Taylor  <iant@google.com>
17394
17395         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
17396
17397 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
17398
17399         PR diagnostic/25923
17400         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
17401         diagnostic message is being built.
17402         * tree-pretty-print.c (dump_generic_node): Only write the
17403         formatted text into BUFFER's stream if we are not building a
17404         diagnostic message.
17405         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
17406         dump_generic_node.
17407         * Makefile.in (toplev.o): Depend on tree-pass.h.
17408
17409 2007-04-24  Ian Lance Taylor  <iant@google.com>
17410
17411         PR tree-optimization/31602
17412         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
17413         conditionals in the copied loop header.
17414         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
17415         warnings if TREE_NO_WARNING is set.
17416         * doc/invoke.texi (Warning Options): Clarify that
17417         -Wstrict-overflow does not warn about loops.
17418
17419 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
17420
17421         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
17422         expand on the comment about _Decimal128 arguments and check the
17423         integer result of the modulus operation; for 64-bit ELF ABI, ensure
17424         that _Decimal128 argument uses even/odd register pair.
17425         (function_arg): Ditto.
17426
17427 2007-04-24  Hui-May Chang <hm.chang@apple.com>
17428
17429         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
17430         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
17431
17432 2007-04-24  Richard Guenther  <rguenther@suse.de>
17433             Olga Golovanevsky  <olga@il.ibm.com>
17434
17435         * fold-const.c (multiple_of_p): Check for bottom
17436         to be zero.
17437
17438 2007-04-24  Richard Henderson  <rth@redhat.com>
17439
17440         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
17441         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
17442         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
17443         looking for non-zero bits shifted out.  Avoid a recursive call
17444         when constructing the scalar.
17445         (__floatundisf): Likewise.
17446
17447 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
17448
17449         * dwarf2out.c (field_byte_offset): Move the existing logic
17450         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
17451         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
17452
17453 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17454
17455         PR target/31641
17456         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
17457         length argument of 0 for memset.
17458         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
17459         unsigned shift instead of the signed variant.
17460
17461 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17462
17463         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
17464         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
17465         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
17466         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17467         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
17468         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
17469         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
17470         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
17471         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
17472         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
17473         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
17474         "mul<mode>3", "div<mode>3"): Insn definitions added.
17475         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
17476         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
17477         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
17478         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
17479         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
17480         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
17481         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
17482         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
17483         TARGET_FLOAT_FORMAT): Macro definitions removed.
17484         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
17485         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
17486         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
17487         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
17488         (s390_gen_rtx_const_DI): Function removed.
17489         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
17490
17491 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
17492
17493         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
17494         over an external ffs function.
17495
17496 2007-04-24  Chao-ying Fu  <fu@mips.com>
17497             Richard Sandiford  <richard@nildram.co.uk>
17498
17499         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
17500         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
17501         (smadd_widen_optab, umadd_widen_optab): Define.
17502         * optabs.c (init_optabs): Initialize smadd_widen_optab and
17503         umadd_widen_optab.
17504         * genopinit.c (optabs): Fill in smadd_widen_optab and
17505         umadd_widen_optab.
17506         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
17507         and umadd_widen_optab to implement multiply-add sequences.
17508         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
17509         (<u>maddsidi4): ...this.  Extend condition to include
17510         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
17511         of operand 0 to "ka" and use the three-operand form of madd<u>
17512         for TARGET_DSPR2.
17513         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
17514         to define_expands.
17515         * config/mips/constraints.md (ka): New register constraint.
17516
17517 2007-04-24  Jan Hubicka  <j@suse.cz>
17518
17519         Revert:
17520
17521         2007-04-23  Jan Hubicka  <jh@suse.cz>
17522         * function.c (init_function_start): Don't init line number info.
17523         (expand_function_end): Update.
17524         (reset_block_changes, record_block_change, finalize_block_changes,
17525         check_block_change, free_block_changes): Kill.
17526         * function.h (reset_block_changes, record_block_change,
17527         finalize_block_changes, check_block_change, free_block_changes):
17528         Remove prototypes.
17529         (struct function): Remove ib_boundaries_block.
17530         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17531         Use curr_insn_locator to initialize locator.
17532         (emit_line_note): Remove.
17533         * cfgexpand.c (expand_gimple_cond_expr): Update.
17534         (construct_exit_block): Likewise.
17535         (tree_expand_cfg): Initialize/finalize locators.
17536         * expr.c (expand_expr_real): Update.
17537         * cfglayout.c (line_locators_locs, line_locators_lines,
17538         file_locators_locs, file_locators_files): Remove.
17539         (set_block_levels): Move to cfgexpand.c.
17540         (insn_locators_initialize): Remove.
17541         (pass_insn_locators_initialize): Remove.
17542         (locations_locators_locs, locations_locators_vals): New static vars.
17543         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17544         Likewise.
17545         (insn_locators_alloc, insn_locators_finalize,
17546         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17547         New functions.
17548         (locator_location): New.
17549         (locator_line, locator_file): Rewrite.
17550         * rtl.h (emit_line_note): Kill.
17551         (insn_locators_alloc, insn_locators_finalize,
17552         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17553         Declare.
17554         * tree-inline.c (initialize_cfun): Do not initialize
17555         ib_boundaries_block.
17556         * passes.c (pass_insn_locators_initialize): Remove.
17557
17558 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
17559
17560         * doc/invoke.texi: Removed leading '-' from option index entries.
17561
17562 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
17563
17564         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
17565         Use phi_nodes_ptr.
17566         (create_phi_node): Use set_phi_nodes.
17567         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
17568         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
17569         (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
17570         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
17571         (bsi_start, bsi_last): Use bb_stmt_list.
17572         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
17573         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
17574         Traverse the statements using tsi iterator.
17575         * basic-block.h (struct basic_block_def): Fields stmt_list
17576         and phi_nodes moved to ...
17577         (struct tree_bb_info): ... new structure.
17578         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
17579         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
17580         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
17581         (tree_verify_flow_info): Verify that il.tree is not set for
17582         entry and exit block.
17583         (tree_split_block): Use set_bb_stmt_list.
17584
17585 2007-04-23  Mike Stump  <mrs@apple.com>
17586
17587         * config/i386/i386.c (ix86_tune_features
17588         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
17589         nocona and core2.
17590
17591 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17592
17593         * config/i386/i386.md (prefix_extra): New attribute.
17594         (length): Add prefix_extra.
17595
17596         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
17597         (sse2_movntv2di): Likewise.
17598         (sse2_cvtps2dq): Likewise.
17599         (sse2_cvtpd2pi): Likewise.
17600         (sse2_cvttpd2pi): Likewise.
17601         (*sse2_cvtpd2ps): Likewise.
17602         (*add<mode>3): Likewise.
17603         (sse2_ssadd<mode>3): Likewise.
17604         (sse2_usadd<mode>3): Likewise.
17605         (*sub<mode>3): Likewise.
17606         (sse2_sssub<mode>3): Likewise.
17607         (sse2_ussub<mode>3): Likewise.
17608         (*mulv8hi3): Likewise.
17609         (*smulv8hi3_highpart): Likewise.
17610         (*umulv8hi3_highpart): Likewise.
17611         (sse2_umulv2siv2di3): Likewise.
17612         (sse2_pmaddwd): Likewise.
17613         (ashr<mode>3): Likewise.
17614         (lshr<mode>3): Likewise.
17615         (ashl<mode>3): Likewise.
17616         (sse2_ashlti3): Likewise.
17617         (sse2_lshrti3): Likewise.
17618         (*umaxv16qi3): Likewise.
17619         (*smaxv8hi3): Likewise.
17620         (*uminv16qi3): Likewise.
17621         (*sminv8hi3): Likewise.
17622         (sse2_eq<mode>3): Likewise.
17623         (sse2_gt<mode>3): Likewise.
17624         (*and<mode>3): Likewise.
17625         (sse2_nand<mode>3): Likewise.
17626         (*ior<mode>3): Likewise.
17627         (*xor<mode>3): Likewise.
17628         (sse2_packsswb): Likewise.
17629         (sse2_packssdw): Likewise.
17630         (sse2_packuswb): Likewise.
17631         (sse2_punpckhbw): Likewise.
17632         (sse2_punpcklbw): Likewise.
17633         (sse2_punpckhwd): Likewise.
17634         (sse2_punpcklwd): Likewise.
17635         (sse2_punpckhdq): Likewise.
17636         (sse2_punpckldq): Likewise.
17637         (sse2_punpckhqdq): Likewise.
17638         (sse2_punpcklqdq): Likewise.
17639         (*sse2_pinsrw): Likewise.
17640         (*sse2_pextrw): Likewise.
17641         (sse2_pshufd_1): Likewise.
17642         (sse2_uavgv16qi3): Likewise.
17643         (sse2_uavgv8hi3): Likewise.
17644         (sse2_psadbw): Likewise.
17645         (sse2_pmovmskb): Likewise.
17646         (*sse2_maskmovdqu): Likewise.
17647         (*sse2_maskmovdqu_rex64): Likewise.
17648         (sse4a_extrqi): Likewise.
17649         (sse4a_extrq): Likewise.
17650         (sse3_lddqu): Set prefix_rep.
17651         (sse3_addsubv4sf3): Likewise.
17652         (sse3_haddv4sf3): Likewise.
17653         (sse3_hsubv4sf3): Likewise.
17654         (sse_cvtss2si): Likewise.
17655         (sse_cvtss2si_2): Likewise.
17656         (sse_cvtss2siq): Likewise.
17657         (sse_cvtss2siq_2): Likewise.
17658         (sse_cvttss2si): Likewise.
17659         (sse_cvttss2siq): Likewise.
17660         (sse2_cvttps2dq): Likewise.
17661         (sse3_movshdup): Likewise.
17662         (sse3_movsldup): Likewise.
17663         (sse2_cvtsd2si): Likewise.
17664         (sse2_cvtsd2si_2): Likewise.
17665         (sse2_cvtsd2siq): Likewise.
17666         (sse2_cvtsd2siq_2): Likewise.
17667         (sse2_cvttsd2si): Likewise.
17668         (sse2_cvttsd2siq): Likewise.
17669         (*sse2_cvtpd2dq): Likewise.
17670         (*sse2_cvttpd2dq): Likewise.
17671         (sse2_pshuflw_1): Likewise.
17672         (sse2_pshufhw_1): Likewise.
17673         (sse4a_insertqi): Likewise.
17674         (sse4a_insertq): Likewise.
17675         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
17676         (ssse3_phadddv4si3): Likewise.
17677         (ssse3_phaddswv8hi3): Likewise.
17678         (ssse3_phsubwv8hi3): Likewise.
17679         (ssse3_phsubdv4si3): Likewise.
17680         (ssse3_phsubswv8hi3): Likewise.
17681         (ssse3_pmaddubswv8hi3): Likewise.
17682         (ssse3_pmulhrswv8hi3): Likewise.
17683         (ssse3_pshufbv16qi3): Likewise.
17684         (ssse3_psign<mode>3): Likewise.
17685         (ssse3_palignrti): Likewise.
17686         (abs<mode>2): Likewise.
17687         (ssse3_phaddwv4hi3): Set prefix_extra.
17688         (ssse3_phadddv2si3): Likewise.
17689         (ssse3_phaddswv4hi3): Likewise.
17690         (ssse3_phsubwv4hi3): Likewise.
17691         (ssse3_phsubdv2si3): Likewise.
17692         (ssse3_phsubswv4hi3): Likewise.
17693         (ssse3_pmaddubswv4hi3): Likewise.
17694         (ssse3_pmulhrswv4hi3): Likewise.
17695         (ssse3_pshufbv8qi3): Likewise.
17696         (ssse3_psign<mode>3): Likewise.
17697         (ssse3_palignrdi): Likewise.
17698         (abs<mode>2): Likewise.
17699         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
17700         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
17701         (sse2_pmovmskb): Set mode to SI instead of V2DF.
17702
17703 2007-04-23  Nick Clifton  <nickc@redhat.com>
17704
17705         * params.def: Fix formatting of emacs local variables.
17706
17707 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17708
17709         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
17710         move if inter-unit move isn't allowed.
17711         Don't split moving the first element of V2DI to DI to inter-unit
17712         move if inter-unit move isn't allowed.
17713
17714 2007-04-23  Richard Guenther  <rguenther@suse.de>
17715
17716         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
17717         and CDI_POST_DOMINATORS separately.
17718
17719 2007-04-23  Nick Clifton  <nickc@redhat.com>
17720
17721         * c.opt (Wformat-contains-nul): Add warning attribute.
17722
17723 2007-04-23  Jan Hubicka  <jh@suse.cz>
17724
17725         * function.c (init_function_start): Don't init line number info.
17726         (expand_function_end): Update.
17727         (reset_block_changes, record_block_change, finalize_block_changes,
17728         check_block_change, free_block_changes): Kill.
17729         * function.h (reset_block_changes, record_block_change,
17730         finalize_block_changes, check_block_change, free_block_changes):
17731         Remove prototypes.
17732         (struct function): Remove ib_boundaries_block.
17733         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17734         Use curr_insn_locator to initialize locator.
17735         (emit_line_note): Remove.
17736         * cfgexpand.c (expand_gimple_cond_expr): Update.
17737         (construct_exit_block): Likewise.
17738         (tree_expand_cfg): Initialize/finalize locators.
17739         * expr.c (expand_expr_real): Update.
17740         * cfglayout.c (line_locators_locs, line_locators_lines,
17741         file_locators_locs, file_locators_files): Remove.
17742         (set_block_levels): Move to cfgexpand.c.
17743         (insn_locators_initialize): Remove.
17744         (pass_insn_locators_initialize): Remove.
17745         (locations_locators_locs, locations_locators_vals): New static vars.
17746         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17747         Likewise.
17748         (insn_locators_alloc, insn_locators_finalize,
17749         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17750         New functions.
17751         (locator_location): New.
17752         (locator_line, locator_file): Rewrite.
17753         * rtl.h (emit_line_note): Kill.
17754         (insn_locators_alloc, insn_locators_finalize,
17755         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17756         Declare.
17757         * tree-inline.c (initialize_cfun): Do not initialize
17758         ib_boundaries_block.
17759         * passes.c (pass_insn_locators_initialize): Remove.
17760
17761 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17762
17763         PR middle-end/31448
17764         * expr.c (reduce_to_bit_field_precision): Handle
17765         CONST_INT rtx's.
17766
17767 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
17768
17769         PR tree-optimization/24659
17770         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
17771         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
17772         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
17773         * genopinit.c (optabs): Rename vec_pack_mod_optab
17774         to vec_pack_trunc_optab.
17775         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
17776         early for scalar floating point operands for NOP_EXPR.
17777         (vectorizable_type_promotion): Ditto.
17778         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
17779         vec_pack_trunc_optab.
17780         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
17781
17782         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
17783         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
17784         Rename from VEC_PACK_MOD_EXPR.
17785         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
17786         * expr.c (expand_expr_real_1): Ditto.
17787         * tree-inline.c (estimate_num_insns_1): Ditto.
17788         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
17789
17790         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
17791         (vec_unpacks_lo_v4sf): Ditto.
17792         (vec_pack_trunc_v2df): Ditto.
17793         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
17794         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17795         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
17796
17797         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
17798         vec_pack_mod_v8hi.
17799         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17800
17801         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
17802         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
17803         packing of floating point operands.
17804         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
17805         represent unpacking of floating point operands.
17806         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
17807         [vec_unpacks_hi]: Ditto.
17808         [vec_unpacks_lo]: Ditto.
17809
17810 2007-04-22  Jan Hubicka  <jh@suse.cz>
17811
17812         * final.c (rest_of_handle_final): Call
17813         targetm.asm_out.constructor/targetm.asm_out.destructor
17814         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
17815         proper priority via decl_*_priority_insert.
17816         * c-common.c (c_expand_body): Likewise.
17817
17818 2007-04-22  Richard Guenther  <rguenther@suse.de>
17819
17820         PR tree-optimization/29789
17821         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
17822         (rewrite_reciprocal): New helper split out from
17823         determine_invariantness_stmt.
17824         (rewrite_bittest): Likewise.
17825         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
17826         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
17827         is not.
17828
17829 2007-04-22  Revital Eres  <eres@il.ibm.com>
17830
17831         * loop-unroll.c (var_to_expand): New field to support also
17832         insns of the form x = something + x.
17833         (analyze_insn_to_expand_var): Use it.
17834         (expand_var_during_unrolling): Likewise.
17835
17836 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17837
17838         * predict.c: Include pointer-set.h.
17839         (bb_predictions): New variable.
17840         (tree_predicted_by_p, tree_predict_edge,
17841         remove_predictions_associated_with_edge): Use bb_predictions map
17842         instead of bb->predictions.
17843         (clear_bb_predictions, assert_is_empty): New functions.
17844         (combine_predictions_for_bb): Use bb_predictions map.  Call
17845         clear_bb_predictions.
17846         (tree_estimate_probability): Create and free bb_predictions map.
17847         * Makefile.in (predict.o): Add pointer-set.h dependency.
17848         * basic-block.h (struct basic_block_def): Remove predictions
17849         field.
17850         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
17851
17852 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
17853
17854         PR target/31480
17855         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
17856         is null.
17857
17858 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17859
17860         * timevar.c (timevar_print): Change reference of --disable-checking to
17861         --enable-checking=release.  Also warn if assert checking is disabled.
17862
17863 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17864
17865         PR C/30265
17866         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
17867         decl as addressable if the compound literal was marked as
17868         addressable.
17869         Mark the decl as a gimple register if it is a complex or
17870         vector decl and does not live in memory.
17871
17872 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17873
17874         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
17875         (GENERIC_NEXT): New function macro.
17876         (PHI_CHAIN): Use phi_node's new chain variable.
17877         (tree_phi_node): Change tree_common to tree_base
17878         and add the chain field.
17879         * tree-phinodes.c (make_phi_node): Don't set
17880         TREE_TYPE on the new node.
17881         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
17882         instead of checking GIMPLE_TUPLE_P in chain_next.
17883         * tree-vect-transform.c
17884         (get_initial_def_for_induction): Look at
17885         PHI_RESULT_TREE for the type of the phi node.
17886         (update_vuses_to_preheader): Use PHI_CHAIN
17887         instead of TREE_CHAIN on the phi node.
17888         * tree-ssa-structalias.c (compute_points_to_sets):
17889         Likewise.
17890         (ipa_pta_execute): Likewise.
17891
17892 2007-04-21  Richard Guenther  <rguenther@suse.de>
17893
17894         PR middle-end/31136
17895         * fold-const.c (fold_unary): Call fold_convert_const on the
17896         original tree.
17897
17898 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
17899
17900         * gcse.c (store_killed_in_insn): Handle PARALLELs.
17901         (store_killed_in_pat): New.
17902
17903 2007-04-20  Richard Henderson  <rth@redhat.com>
17904
17905         PR target/31628
17906         * config/i386/i386.c (type_has_variadic_args_p): Look for any
17907         TREE_LIST with a void_type_node value, not void_list_node exactly.
17908
17909 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
17910
17911         * doc/standards.texi: Re-arrange into language-specific
17912         subsections. Add a C++ section, documenting which standards we
17913         support.
17914
17915 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17916
17917         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
17918         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
17919
17920 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
17921
17922         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
17923         ecrti.o and crtbegin.o.
17924         (LIB_DEFAULT_SPEC): Include -lc.
17925         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
17926
17927 2007-04-20  Richard Henderson  <rth@redhat.com>
17928
17929         PR target/28623
17930         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
17931         argument; update all callers.
17932         (get_unaligned_offset): New.
17933         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
17934         get_unaligned_address, just pass on the address directly.
17935         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
17936         the subreg in the helper patterns.
17937         (unaligned_extendqidi_le): Use get_unaligned_offset.
17938         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
17939         (unaligned_extendhidi_be): Likewise.
17940         (unaligned_extendhidi): Tidy.
17941         * config/alpha/alpha-protos.h: Update.
17942
17943 2007-04-20  Richard Henderson  <rth@redhat.com>
17944
17945         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
17946         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
17947         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
17948         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17949         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17950         (CPP_SPEC): Don't include %(cpp_subtarget).
17951         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
17952         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17953         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
17954
17955 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
17956
17957         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
17958         for __builtin_ia32_cmpordss.
17959
17960         PR tree-optimization/31632
17961         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
17962         and arg1 for optimizations of comparison against min/max values.
17963         Fold arg0 to arg1's type for optimizations of comparison against
17964         min+1 and max-1 values.
17965
17966 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
17967
17968         * reload.c (combine_reloads): When trying to use a dying register,
17969         check whether it's uninitialized and don't use if so.
17970
17971 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
17972
17973         * fold-const.c: Remove prototypes for native_encode_expr and
17974         native_interpret_expr.
17975         (native_encode_expr): Make non-static.
17976         (native_interpret_expr): Likewise.
17977         * tree.h: Add prototypes for the above.
17978
17979 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17980
17981         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
17982         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
17983         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
17984         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
17985         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
17986         Add length attributes.
17987
17988 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
17989
17990         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
17991         not that it is 1.
17992
17993         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
17994         __STDC_WANT_DEC_FP__.
17995
17996 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17997
17998         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
17999         for long double compatibility.
18000         * configure: Regenerate.
18001
18002 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
18003
18004         PR rtl-optimization/29841
18005         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
18006         trap instructions.
18007         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
18008         that may cause control flow transfer from being moved.
18009
18010 2007-04-18  Jan Hubicka  <jh@suse.cz>
18011
18012         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
18013         types.
18014
18015 2007-04-18  Eric Christopher  <echristo@apple.com>
18016
18017         * config/rs6000/darwin.md (load_macho_picbase): Use link register
18018         only. Update operands.
18019         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
18020         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
18021         link register to pic register.
18022
18023 2007-04-18  Dirk Mueller  <dmueller@suse.de>
18024
18025         PR diagnostic/31227
18026         * tree-vrp.c (search_for_addr_array): New.
18027         (check_array_bounds): Suppress warning about
18028         address taken of array refs if its not de-referenced.
18029
18030 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
18031
18032         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
18033         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
18034
18035         * tree-vectorizer.h (NITERS_KNOWN_P): New.
18036         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
18037         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
18038
18039         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
18040         dump print.
18041         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
18042         print message.
18043         (vect_analyze_scalar_cycles): Fix indentation.
18044         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
18045         (vect_mark_relevant): Include phis in relevance analysis.
18046
18047         * tree-vect-transform.c (vect_transform_loop): Add an assert.
18048
18049 2007-04-18  Anatoly Sokolov <aesok@post.ru>
18050
18051         * config/avr/avr.c (ptrreg_to_str): Replace error() with
18052         output_operand_lossage().
18053
18054 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
18055
18056         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
18057         the unused code for reduction without adjust-in-epilog to simplify the
18058         function.
18059
18060 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
18061
18062         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
18063         (S390_TDC_NEGATIVE_ZERO): New constant.
18064         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
18065         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
18066         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
18067         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
18068         (S390_TDC_POSITIVE_INFINITY): New constant.
18069         (S390_TDC_NEGATIVE_INFINITY): New constant.
18070         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
18071         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
18072         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
18073         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
18074         (S390_TDC_INFINITY): New constant.
18075         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
18076         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
18077         optimization for UNSPEC_CCZ_TO_INT.
18078         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
18079         ("*ccz_to_int"): New insn.
18080         ("isinf<mode>2"): New insn.
18081         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
18082         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
18083         (UNSPEC_CCZ_TO_INT): New constant.
18084
18085 2007-04-18  Richard Guenther  <rguenther@suse.de>
18086
18087         PR tree-optimization/19431
18088         PR tree-optimization/21463
18089         * tree-pass.h (pass_phiprop): Declare.
18090         * passes.c (init_optimization_passes): New phiprop pass.
18091         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
18092         (phivn_valid_p): New helper function.
18093         (phiprop_insert_phi): Likewise.
18094         (propagate_with_phi): Likewise.
18095         (tree_ssa_phiprop): New propagator propagating loads
18096         through phi nodes if profitable.
18097
18098 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
18099
18100         * tree-vect-analyze.c (process_use): New function.
18101         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
18102         Check phis in all bbs.
18103         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
18104         assert.
18105
18106 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
18107
18108         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
18109         we use REG_EQUAL.
18110
18111 2007-04-17  Anatoly Sokolov <aesok@post.ru>
18112
18113         PR target/30483
18114         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
18115         error().
18116
18117 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
18118
18119         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
18120         on "0".
18121         (sse_vmmulv4sf3): Likewise.
18122         (sse2_vmaddv2df3): Likewise.
18123         (sse2_vmmulv2df3): Likewise.
18124
18125 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
18126
18127         PR rtl-optimization/31360
18128         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
18129         (target_reg_cost): New.
18130         (init_set_costs): Initialize target_reg_cost.  Add comments
18131         regarding the rationale of the costs.
18132         (global_cost_for_size): Renamed to...
18133         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
18134         of register pressure.
18135         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
18136         estimate_reg_pressure_cost.  Add number of ivs.
18137         (determine_set_costs): Dump target_reg_cost.
18138         * loop-invariant.c (gain_for_invariant): Use
18139         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
18140         (best_gain_for_invariant, find_invariants_to_move): Remove
18141         n_inv_uses.
18142         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
18143         (target_reg_cost): Declare.
18144         (global_cost_for_size): Declaration removed.
18145         (estimate_reg_pressure_cost): Declare.
18146
18147 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
18148
18149         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
18150         regnos into even/odd register pairs.
18151         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
18152         TDmode similar to the other floating point modes.
18153         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
18154         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
18155         define_expand's.
18156         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
18157         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
18158         (movdd_hardfloat64): Use TARGET_MFPGPR.
18159
18160 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
18161
18162         * reload1.c (delete_output_reload): Don't count output in n_inherited.
18163
18164         Revert
18165         2005-01-05  Richard Henderson  <rth@redhat.com>
18166         PR rtl-opt/10692
18167         * reload1.c (do_input_reload): Restrict the optimization deleteing
18168         a previous output reload to RELOAD_FOR_INPUT.
18169
18170 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
18171
18172         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
18173         induc_vec_info_type.
18174         (vectorizable_induction): New function declaration.
18175         * tree-vect-transform.c (get_initial_def_for_induction): No need to
18176         check if already vectorized.  Find first place in BB where new stmts
18177         can be inserted.  Takes only one argument.
18178         (vectorizable_induction): New function.
18179         (vect_transform_stmt): Add case for induc_vec_info_type to call
18180         vectorizable_induction.
18181         (vect_transform_loop): Consider phis for vectorization.
18182         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
18183         condition.
18184         (analyze_operations): Call vectorizable_induction when analyzing phis.
18185         Fix comment.
18186         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
18187         (vect_mark_relevant): Include phis in relevance analysis.
18188         (vect_mark_stmts_to_be_vectorize): Likewise.
18189         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
18190
18191 2007-04-16  Lawrence Crowl  <crowl@google.com>
18192
18193         * doc/invoke.texi (Debugging Options): Add documentation for the
18194         -femit-struct-debug options -femit-struct-debug-baseonly,
18195         -femit-struct-debug-reduced, and
18196         -femit-struct-debug-detailed[=...].
18197
18198         * c-opts.c (c_common_handle_option): Add
18199         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
18200         and OPT_femit_struct_debug_detailed_.
18201         * c.opt: Add specifications for
18202         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
18203         and -femit-struct-debug-detailed[=...].
18204         * opts.c (set_struct_debug_option): Parse the
18205         -femit-struct-debug-... options.
18206         * opts.c (matches_main_base, main_input_basename,
18207         main_input_baselength, base_of_path, matches_main_base): Add
18208         variables and functions to compare header base name to compilation
18209         unit base name.
18210         * opts.c (should_emit_struct_debug): Add to determine to emit a
18211         structure based on the option.
18212         (dump_struct_debug) Also disabled function to debug this
18213         function.
18214         * opts.c (handle_options): Save the base name of the
18215         compilation unit.
18216
18217         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
18218         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
18219         This hook indicates if a type is generic.  Set it by default
18220         to "never generic".
18221         * langhooks.h (struct lang_hooks_for_types): Add a new hook
18222         to determine if a struct type is generic or not.
18223         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
18224         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
18225         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
18226         with live C++ hook.
18227
18228         * flags.h (enum debug_info_usage): Add an enumeration to describe
18229         a program's use of a structure type.
18230         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
18231         to indicate the program's usage of the type.  Filter structs based
18232         on the -femit-struct-debug-... specification.
18233         (gen_type_die): Split into two routines, gen_type_die and
18234         gen_type_die_with_usage.  gen_type_die is now a wrapper
18235         that assumes direct usage.
18236         (gen_type_die_with_usage): Replace calls to gen_type_die
18237         with gen_type_die_with_usage adding the program usage of
18238         the referenced type.
18239         (dwarf2out_imported_module_or_decl): Suppress struct debug
18240         information using should_emit_struct_debug when appropriate.
18241
18242 2007-04-16  Ian Lance Taylor  <iant@google.com>
18243
18244         PR tree-optimization/31522
18245         * tree-vrp.c (vr_phi_edge_counts): New static variable.
18246         (vrp_initialize): Allocate vr_phi_edge_counts.
18247         (vrp_visit_phi_node): Don't push to infinity if we saw a new
18248         executable edge.  Drop test for all constants.
18249         (vrp_finalize): Free vrp_phi_edge_counts.
18250
18251         * doc/cpp.texi (Common Predefined Macros): Clarify description of
18252         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
18253
18254         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
18255         predecessors at head rather than tail.
18256
18257 2007-04-16  Matthias Klose  <doko@debian.org>
18258
18259         * config/alpha/linux.h (CPP_SPEC): Define.
18260         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
18261
18262 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
18263
18264         * function.h: Remove sequence_stack extern declaration.
18265
18266 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
18267
18268         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
18269         TARGET_FIDOA.
18270         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
18271         defined.
18272
18273 2007-04-16  Anatoly Sokolov <aesok@post.ru>
18274
18275         * config/avr/avr.c (avr_arch_types): Rearranging  array.
18276         (enum avr_arch): Add.
18277         (avr_mcu_types): Use avr_arch enumeration constants instead of
18278         numbers.
18279         * config/avr/avr.h (LINK_SPEC): Simplify.
18280
18281 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
18282
18283         * config/m68k/m68k.c (m68k_libcall_value,
18284         m68k_function_value): Use macros for register names more.
18285
18286         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
18287         instead.
18288         (M68K_REGNAME): Use A6_REG.
18289         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
18290
18291 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
18292
18293         PR middle-end/28071
18294         * sched-int.h (struct deps): Split field 'pending_lists_length' into
18295         'pending_read_list_length' and 'pending_write_list_length'.  Update
18296         comment.
18297         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
18298         to handle two length counters instead of one.  Update all uses.
18299         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
18300         two length counters instead of one.
18301         * sched-rgn.c (propagate_deps): Update to handle two length counters
18302         instead of one.
18303
18304 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
18305
18306         PR target/31582
18307         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
18308         copy of source, pass it to ix86_expand_vector_set and return
18309         it as target.
18310
18311 2007-04-16  David Ung  <davidu@mips.com>
18312             Joseph Myers  <joseph@codesourcery.com>
18313
18314         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
18315         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
18316         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
18317         Add 74K processor information.
18318         * config/mips/mips.md: Include 74k.md.
18319         (cpu): Add 74kc,74kf,74kx.
18320         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
18321         * config/mips/74k.md: New.
18322         * doc/invoke.texi (MIPS Options): Document 74K support.
18323
18324 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
18325
18326         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
18327         vectorizable_* functions.
18328         * tree-vect-transform.c (vectorizable_call): Add check for
18329         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
18330         (vectorizable_store): likewise.
18331         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
18332         Add comments.
18333         (vectorizable_operation, vectorizable_type_demotion): Likewise.
18334         (vectorizable_type_promotion, vectorizable_load): Likewise.
18335         (vectorizable_live_operation, vectorizable_condition): Likewise.
18336         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
18337         STMT_VINFO_LIVE_P.
18338         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
18339
18340 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18341
18342         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
18343         register numbers more.
18344         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
18345         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
18346         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
18347         FUNCTION_VALUE_REGNO_P): Likewise.
18348         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
18349         STATIC_CHAIN_REGNUM): Likewise.
18350         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
18351         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
18352         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
18353         * config/m68k/m68k.md (FP_REG): New.
18354
18355 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18356
18357         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
18358         alignment on fido.
18359
18360 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18361
18362         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
18363         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
18364         comment typos.
18365
18366 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18367
18368         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
18369         cold loops.
18370
18371 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18372
18373         PR c/31520
18374         * c-decl.c (finish_decl): Grab the type of the decl after the call
18375         to store_init_value.
18376
18377 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
18378
18379         * common.opt (fforward-propagate): Fix "Optimization" annotation.
18380
18381 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
18382
18383         PR c++/25874
18384         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
18385         dominators, post dominators and cleanup cfg before returning.
18386
18387 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
18388
18389         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
18390         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
18391
18392 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
18393
18394         * config.gcc: Recognize fido.
18395         * config/m68k/m68k-devices.def (fidoa): New.
18396         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
18397         __mfido__.
18398         (FL_FIDOA, TARGET_FIDOA): New.
18399         * config/m68k/m68k.opt (mfidoa): New.
18400
18401 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18402
18403         PR middle-end/31322
18404         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
18405         when a personality function is used.
18406
18407 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
18408
18409         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
18410
18411 2007-04-13  Mike Stump  <mrs@apple.com>
18412
18413         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
18414         we can...
18415         * config/darwin.opt (fapple-kext): Make C++ only.
18416         * config/darwin.c (darwin_override_options): Remove code to ensure
18417         -fapple-kext is given for C++ only.
18418
18419 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
18420
18421         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
18422         * config/mips/mips.c (override_options): Call
18423         SUBTARGET_OVERRIDE_OPTIONS, if defined.
18424
18425 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
18426
18427         * config/i386/i386.opt (msvr3-shlib): Removed.
18428
18429         * doc/invoke.texi: Remove -msvr3-shlib.
18430
18431 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
18432
18433         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
18434         with "popcnt" instruction.
18435
18436 2007-04-13  Richard Guenther  <rguenther@suse.de>
18437
18438         PR tree-optimization/21258
18439         * tree-vrp.c (compare_case_labels): New helper.
18440         (find_switch_asserts): New function.
18441         (find_assert_locations): Call it for SWITCH_EXPRs.
18442
18443 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
18444
18445         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
18446         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
18447         check is now implied in X87_FLOAT_MODE_P.
18448         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18449         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18450         (fix_trunc<mode>_i386_fisttp): Ditto.
18451         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18452         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18453         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18454         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18455         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18456         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18457         (unnamed_splitters): Ditto.
18458         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
18459         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
18460         FIRST_SSE_REG for local functions when SSE math is enabled or
18461         for functions with sseregparm attribute.
18462         (standard_80387_constant_p): Return -1 if mode is not
18463         X87_FLOAT_MODE_P.
18464         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
18465         (ix86_expand_compare): Ditto.
18466         (ix86_expand_carry_flag_compare): Ditto.
18467         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
18468         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
18469         DECIMAL_FLOAT_MODE_P.
18470         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
18471         of SCALAR_FLOAT_MODE_P.
18472         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
18473         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
18474         checks before FLOAT_MODE_P.
18475         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
18476         before FLOAT_MODE_P.
18477         [DIV]: Ditto.
18478         [NEG]: Ditto.
18479         [ABS]: Ditto.
18480         [SQRT]: Ditto.
18481         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
18482
18483 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
18484             Charles Wilson  <libtool@cwilson.fastmail.fm>
18485
18486         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
18487         (libgcc.mvars): Don't depend on them.
18488         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
18489         * exec-tool.in: New.
18490
18491 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
18492
18493         * doc/invoke.text (--help): Document --help=common.
18494
18495 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
18496
18497         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
18498
18499 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18500
18501         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
18502         * genemit.c (main): Emit #include "integrate.h".
18503         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
18504         (LOADGP_RTP): New mips_loadgp_style.
18505         * config/mips/mips.h: Include config/vxworks-dummy.h.
18506         (TARGET_RTP_PIC): New macro.
18507         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
18508         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
18509         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
18510         for TARGET_RTP_PIC.
18511         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
18512         -mvxworks-pic when using -mrtp and a PIC option.
18513         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
18514         for RTP PIC.
18515         (mips_symbolic_constant_p, mips_symbolic_address_p)
18516         (mips_symbol_insns): Handle SYMBOL_HALF.
18517         (override_options): Warn about -G and -mrtp being used together.
18518         Initialize mips_lo_relocs[SYMBOL_HALF].
18519         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
18520         (mips_emit_loadgp): Handle LOADGP_RTP.
18521         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
18522         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
18523         (tablejump): Handle function-relative case table entries if
18524         TARGET_RTP_PIC.
18525         * config/mips/predicates.md (symbol_ref_operand): New predicate.
18526
18527 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18528
18529         * config/mips/mips.md (load_call<mode>): Allow any general register.
18530         destination.
18531         (sibcall_value_internal, sibcall_value_multiple_internal)
18532         (call_value_internal, call_value_split, call_value_multiple_internal)
18533         (call_value_multiple_split): Remove constraints from operand 0.
18534
18535 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18536
18537         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
18538         rather than loadgp_noshared.
18539         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
18540         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
18541         gen_loadgp.
18542         * config/mips/mips.md (loadgp): Rename to...
18543         (loadgp_newabi): ...this.
18544         (loadgp_noshared): Rename to...
18545         (loadgp_absolute): ...this.
18546
18547 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18548
18549         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
18550         false for locally-binding symbols.
18551         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
18552
18553 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18554
18555         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
18556         (SYMBOL_GOT_PAGE_OFST): ...this.
18557         (SYMBOL_GOT_GLOBAL): Rename to...
18558         (SYMBOL_GOT_DISP): ...this.
18559         (SYMBOL_GOTOFF_GLOBAL): Rename to...
18560         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
18561         * config/mips/mips.c (mips_global_symbol_p): New function.
18562         (mips_symbol_binds_local_p): Likewise.
18563         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
18564         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use
18565         mips_global_symbol_p and mips_symbol_binds_local_p.
18566         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
18567         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
18568         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
18569         SYMBOL_GOTOFF_DISP.
18570         (mips_ok_for_lazy_binding_p): New function.
18571         (mips_load_call_address, mips_expand_call): Use it.
18572         (mips_dangerous_for_la25_p): Likewise.
18573         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
18574         (*got_disp<mode>): Use got_disp_operand instead of
18575         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
18576         SYMBOL_GOTOFF_GLOBAL.
18577         (*got_page<mode>): Use got_page_ofst_operand instead of
18578         local_got_operand.
18579         * config/mips/predicates.md (const_call_insn_operand): Use
18580         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
18581         (global_got_operand): Rename to...
18582         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
18583         SYMBOL_GOT_GLOBAL.
18584         (local_got_operand): Rename to...
18585         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
18586         of SYMBOL_GOT_LOCAL.
18587
18588 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18589
18590         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
18591         TARGET_CALL_CLOBBERED_GP.
18592         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18593         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
18594         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
18595         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
18596         of TARGET_ABICALLS && !TARGET_NEWABI.
18597         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18598         * config/mips/mips.c (mips_load_call_address): Check
18599         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18600         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18601         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18602         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
18603         TARGET_ABICALLS && TARGET_NEWABI.
18604         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
18605         TARGET_ABICALLS.
18606         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
18607         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
18608         TARGET_ABICALLS && TARGET_NEWABI.
18609         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
18610         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
18611         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
18612         whether indirect calls must use $25.
18613         (mips_extra_live_on_entry): Check TARGET_GOT instead of
18614         TARGET_ABICALLS.
18615         * config/mips/mips.md (jal_macro): Check flag_pic and
18616         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
18617         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
18618         instead of TARGET_ABICALLS.
18619         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
18620         TARGET_ABICALLS && TARGET_OLDABI.
18621         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18622         (sibcall): In the comment above the define_insn, mention
18623         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
18624         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
18625         instead of TARGET_ABICALLS.
18626
18627 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
18628
18629         * doc/md.texi (Blackfin family constraints): Document PA and PB.
18630         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
18631         (MACFLAGS_MATCH_P): New macro.
18632         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
18633         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
18634         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
18635         the other MACFLAG constants.
18636         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
18637         (flag_machi): Tighten constraints.  Renumber some of the operands.
18638         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
18639         output template.
18640         (flag_machi_parts_acconly): New pattern.
18641         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
18642         used.
18643         (flag_macinit1hi): Tighten constraints.
18644         (flag_mul_macv2hi_parts_acconly): New pattern.
18645
18646         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
18647         Use a more efficient implementation.
18648         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
18649         inline sequences when not optimizing for size.
18650
18651         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
18652         movhi_high2low): Delete, merge functionality into...
18653         (packv2hi): ... this pattern.
18654
18655         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
18656         * config/bfin/bfin.opt (msim): New option.
18657         (mcpu=): New option.
18658         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
18659         (bfin_cpu_t): Typedef of enum bfin_cpu.
18660         (bfin_cpu_type): New declaration.
18661         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
18662         -msim and -mcpu= options.
18663         (LIB_SPEC): Likewise.
18664         * config/bfin/bfin.c (bfin_cpu_type): Define.
18665         (bfin_handle_option): Handle -mcpu= option.
18666         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
18667         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
18668         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
18669
18670 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18671
18672         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
18673         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
18674         (powerpc-wrs-vxworksae): Use ${tm_file}.
18675         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
18676         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
18677         * config/i386/vx-common.h: New file.
18678
18679 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18680
18681         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
18682         of crt0.o%s.
18683
18684 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
18685
18686         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
18687         ldxtr.
18688
18689 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
18690
18691         PR c++/31078
18692         PR c++/31103
18693         * c-common.c (c_build_qualified_type): Set canonical type
18694         appropriately.
18695
18696 2007-04-12  Richard Guenther  <rguenther@suse.de>
18697
18698         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
18699         lower bound and element size if lower bound is not zero
18700         or either of the ARRAY_REF operands is set.
18701
18702 2007-04-12  Richard Guenther  <rguenther@suse.de>
18703
18704         PR tree-optimization/24689
18705         PR tree-optimization/31307
18706         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
18707         indices by value.
18708         * gimplify.c (canonicalize_addr_expr): To be consistent with
18709         gimplify_compound_lval only set operands two and three of
18710         ARRAY_REFs if they are not gimple_min_invariant.  This makes
18711         it never at this place.
18712         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
18713
18714 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18715
18716         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
18717         null before emitting a .nsubspa directive.
18718
18719 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18720
18721         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
18722         need_to_partition_p if there are no memory statements in the
18723         function.
18724
18725 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18726
18727         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
18728         (gcd_of_steps_may_divide_p): New function.
18729         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
18730
18731 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18732
18733         * reload.c (find_reloads_toplev, find_reloads_address,
18734         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
18735         not a pointer equality test, to decide if we need to call
18736         push_reg_equiv_alt_mem.
18737
18738 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
18739
18740         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
18741         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
18742         New.
18743         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
18744
18745 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18746
18747         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
18748         vector to be positive.
18749
18750 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18751
18752         PR 30735
18753         PR 31090
18754         * doc/invoke.texi: Document --params max-aliased-vops and
18755         avg-aliased-vops.
18756         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
18757         debug_memory_partitions): Move to tree-flow.h
18758         * params.h (AVG_ALIASED_VOPS): Define.
18759         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
18760         users.
18761         (mp_info_t): Likewise.
18762         (get_mem_sym_stats_for): New.
18763         (set_memory_partition): Move from tree-flow-inline.h.
18764         (mark_non_addressable): Only clear the set of symbols for the
18765         partition if it exists.
18766         (dump_memory_partitions): Move from tree-ssa-operands.c
18767         (debug_memory_partitions): Likewise.
18768         (need_to_partition_p): New.
18769         (dump_mem_ref_stats): New.
18770         (debug_mem_ref_stats): New.
18771         (dump_mem_sym_stats): New.
18772         (debug_mem_sym_stats): New.
18773         (update_mem_sym_stats_from_stmt): New.
18774         (compare_mp_info_entries): New.
18775         (mp_info_cmp): Call it.
18776         (sort_mp_info): Change argument to a list of mem_sym_stats_t
18777         objects.
18778         (get_mpt_for): Move from tree-ssa-operands.c.
18779         (find_partition_for): New.
18780         (create_partition_for): Remove.
18781         (estimate_vop_reduction): New.
18782         (update_reference_counts): New.
18783         (build_mp_info): New.
18784         (compute_memory_partitions): Refactor.
18785         Document new heuristic.
18786         Call build_mp_info, update_reference_counts,
18787         find_partition_for and estimate_vop_reduction.
18788         (compute_may_aliases): Populate virtual operands before
18789         calling debugging dumps.
18790         (delete_mem_sym_stats): New.
18791         (delete_mem_ref_stats): New.
18792         (init_mem_ref_stats): New.
18793         (init_alias_info): Call it.
18794         (maybe_create_global_var): Remove alias_info argument.
18795         Get number of call sites and number of pure/const call sites
18796         from gimple_mem_ref_stats().
18797         (dump_alias_info): Call dump_memory_partitions first.
18798         (dump_points_to_info_for): Show how many times a pointer has
18799         been dereferenced.
18800         * opts.c (decode_options): For -O2 set --param
18801         max-aliased-vops to 500.
18802         For -O3 set --param max-aliased-vops to 1000 and --param
18803         avg-aliased-vops to 3.
18804         * fortran/options.c (gfc_init_options): Remove assignment to
18805         MAX_ALIASED_VOPS.
18806         * tree-flow-inline.h (gimple_mem_ref_stats): New.
18807         * tree-dfa.c (dump_variable): Dump memory reference
18808         statistics.
18809         Dump NO_ALIAS* settings.
18810         (referenced_var_lookup): Tidy.
18811         (mem_sym_stats): New.
18812         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
18813         and ORIG are different SSA names for a memory partition.
18814         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
18815         * tree-flow.h (struct mem_sym_stats_d): Define.
18816         (mem_sym_stats_t): Define.
18817         (struct mem_ref_stats_d): Define.
18818         (struct gimple_df): Add field mem_ref_stats.
18819         (enum noalias_state): Define.
18820         (struct var_ann_d): Add bitfield noalias_state.
18821         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
18822         debug_mem_ref_stats, debug_memory_partitions,
18823         debug_mem_sym_stats): Declare.
18824         * tree-ssa-structalias.c (update_alias_info): Update call
18825         sites, pure/const call sites and asm sites in structure
18826         returned by gimple_mem_ref_stats.
18827         Remove local variable IS_POTENTIAL_DEREF.
18828         Increase NUM_DEREFS if the memory expression is a potential
18829         dereference.
18830         Call update_mem_sym_stats_from_stmt.
18831         If the memory references memory, call
18832         update_mem_sym_stats_from_stmt for all the direct memory
18833         symbol references found.
18834         (intra_create_variable_infos): Set noalias_state field for
18835         pointer arguments according to the value of
18836         flag_argument_noalias.
18837         * tree-ssa-structalias.h (struct alias_info): Remove fields
18838         num_calls_found and num_pure_const_calls_found.
18839         (update_mem_sym_stats_from_stmt): Declare.
18840         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
18841         Set default value to 100.
18842         (PARAM_AVG_ALIASED_VOPS): Define.
18843
18844 2007-04-11  Richard Guenther  <rguenther@suse.de>
18845
18846         PR middle-end/31530
18847         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
18848         a * -b + c as c - a * b if we honor sign dependent rounding.
18849
18850 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18851
18852         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
18853         bfin_expand_strmov.
18854         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
18855         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
18856         variables.
18857         (initialize_trampoline): Don't use old-style function definition.
18858         (bfin_secondary_reload): Mark IN_P argument as unused.
18859
18860 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
18861
18862         PR tree-optimization/31343
18863         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
18864         (build_polynomial_chrec): Return a scalar when the evolution is zero.
18865         * testsuite/gcc.dg/vect/pr31343.c: New.
18866
18867 2007-04-10  Eric Christopher  <echristo@apple.com>
18868
18869         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
18870         * config/i386/i386.md (*cmpfp0): Use.
18871         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18872         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18873         (fix_trunc<mode>_i386_fisttp): Ditto.
18874         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18875         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18876         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18877         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18878         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18879         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18880         (unnamed_splitters): Ditto.
18881         * config/i386/i386.c (output_fix_trunc): Assert that
18882         we're not being passed a TFmode operand.
18883
18884 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
18885
18886         PR tree-optimization/31526
18887         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
18888         n_basic_blocks to find newly added blocks.
18889
18890 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
18891
18892         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
18893         alternative.
18894         (fix_trunc<mode>si_sse): Ditto.
18895         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
18896         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
18897         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
18898         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
18899         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
18900         expander using SSEMODEF mode macro.
18901         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
18902         expander using SSEMODEF mode macro.
18903         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
18904         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
18905         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
18906         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
18907         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
18908         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
18909         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
18910         Macroize insn using X87MODEF mode macro.
18911
18912 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
18913
18914         * config/i386/sse.md (sse2_pinsrw): Removed.
18915         (sse2_pextrw): Renamed to ...
18916         (*sse2_pextrw): This.
18917
18918 2007-04-09  Jan Hubicka  <jh@suse.cz>
18919
18920         PR target/27869
18921         * config/i386/sse.md
18922         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
18923         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
18924         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
18925         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
18926
18927 2007-04-09  Jan Hubicka  <jh@suse.cz>
18928
18929         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
18930         multiple fields of union.
18931
18932 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
18933
18934         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
18935         (create_preheaders): Check that loops are available.
18936         (fix_loop_structure): Clean up, improve comments.
18937         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
18938         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
18939         state flags.
18940         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
18941         * predict.c (tree_estimate_probability): Do not call
18942         calculate_dominance_info.  Call create_preheaders.
18943         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
18944         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
18945         flags.
18946         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
18947         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
18948         * tree-cfg.c (tree_split_edge): Make an assert more precise.
18949         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
18950         arguments.
18951
18952 2007-04-08  Jan Hubicka  <jh@suse.cz>
18953
18954         * tree.h (maybe_fold_offset_to_component_ref): Declare.
18955         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
18956         * fold-const.c (fold_unary): Use it.
18957
18958 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18959
18960         * varasm.c (assemble_variable): Remove call to
18961         lang_hooks.decls.prepare_assemble_variable.
18962         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
18963         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
18964         * langhooks.h (lang_hooks_for_decls): Remove
18965         prepare_assemble_variable.
18966
18967 2007-04-08  Mike Stump  <mrs@apple.com>
18968
18969         * config/i386/i386.c: Use inc/dec on Core2.
18970
18971 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
18972
18973         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
18974         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18975         lhd_tree_inlining_end_inlining): Remove.
18976         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
18977         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
18978         end_inlining hooks.
18979         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
18980         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18981         lhd_tree_inlining_end_inlining): Remove prototypes.
18982         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
18983         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
18984         LANG_HOOKS_TREE_INLINING_START_INLINING,
18985         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
18986
18987         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
18988         not set it.
18989
18990 2007-04-08  Anatoly Sokolov <aesok@post.ru>
18991
18992         PR target/29932
18993         * config/avr/predicates.md (io_address_operand): Delete predicate.
18994         (low_io_address_operand): Don't use 'mode' argument.
18995         (higth_io_address_operand): Rename ...
18996         (high_io_address_operand): ... to this. Don't use 'mode' argument.
18997         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
18998         for above change.
18999
19000 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
19001
19002         Revert change removing staticp.
19003
19004 2007-04-07  Anatoly Sokolov <aesok@post.ru>
19005
19006         PR target/30289
19007         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
19008         earlyclobber.
19009
19010 2007-04-07  Bruce Korb  <bkorb@gnu.org>
19011
19012         * c.opt: Add -Wformat-contains-nul.
19013         * c-format.c (set_Wformat): Set warn_format_contains_nul to the
19014           -Wformat setting.
19015         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
19016         the NUL byte warning.
19017
19018 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
19019
19020         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
19021
19022 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
19023
19024         * tree.c (staticp): No longer use staticp langhook.
19025         * langhooks.c (lhd_staticp): Removed.
19026         * langhooks.h (struct lang_hooks): Remove staticp.
19027         * c-common.c (c_staticp): Remove.
19028         * c-common.h (c_staticp): Ditto.
19029         * langhooks-defs.h (lhd_staticp): Ditto.
19030         (LHD_HOOKS_STATICP): Ditto
19031         * tree.h (gcc_assert_lowered): New macro.
19032
19033 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
19034
19035         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
19036         argument "reliable".
19037         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
19038         Add argument "reliable".  Propagate it through calls.
19039         (infer_loop_bounds_from_undefined): Derive number of iterations
19040         estimates from references in blocks that do not dominate loop latch.
19041         (gcov_type_to_double_int): New function.
19042         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
19043         and expected_loop_iterations_unbounded.
19044         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
19045         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
19046         * tree-data-ref.c (estimated_loop_iterations): Export.
19047         (get_references_in_stmt): Fix -- do not return addresses of local
19048         objects.
19049         * cfgloop.h (expected_loop_iterations_unbounded,
19050         estimated_loop_iterations): Declare.
19051
19052 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
19053
19054         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
19055
19056 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
19057
19058         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
19059         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
19060         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
19061         Use output_387_reg_move().
19062         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
19063         expander using X87MODEF12 mode macro.
19064         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
19065         choosing register preferences.  Use output_387_reg_move().
19066         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
19067         instead of "x".  Use output_387_reg_move().
19068         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
19069         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
19070         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
19071         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
19072         Use output_387_reg_move().
19073         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
19074         mode macro.
19075         (*truncxf?f_i387 splitter): Ditto.
19076
19077 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
19078
19079         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
19080         LANG_HOOKS_SAFE_FROM_P.
19081         * expr.c (safe_from_p): Remove langhook call.
19082         * langhooks.h (lang_hooks): Remove safe_from_p.
19083         (lhd_safe_from_p): Remove prototype.
19084         * langhooks.c (lhd_safe_from_p): Remove.
19085
19086 2007-04-06  Jan Hubicka  <jh@suse.cz>
19087
19088         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
19089         functions.
19090
19091 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
19092
19093         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
19094         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
19095         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
19096         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
19097         alternative.
19098         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
19099         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
19100
19101 2007-04-05  Richard Henderson  <rth@redhat.com>
19102
19103         * config/alpha/alpha.c (print_operand) [+]: Remove.
19104         (alpha_end_function): Print nop if call at end of function.
19105         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
19106         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
19107         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
19108         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
19109         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
19110         the call pattern. Update peepholes to match.
19111
19112 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
19113
19114         * doc/extend.texi (Other Builtins): Add decimal float variants
19115         of signbit.
19116         * builtins.def: Ditto.
19117         * builtins.c (expand_builtin): Ditto.
19118
19119 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
19120             H.J. Lu  <hongjiu.lu@intel.com>
19121
19122         PR target/31478
19123         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
19124         of V8HImode when calling ix86_binary_operator_ok.
19125         (sse2_pmaddwd): Call ix86_binary_operator_ok.
19126         (sdot_prodv8hi): Operands 1 and 2 must be register.
19127
19128 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
19129
19130         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
19131         initialize align to silence bogus warning.
19132
19133 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
19134
19135         PR middle-end/22156
19136         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
19137         all_no_warning.
19138         (struct sra_walk_fns): Remove use_all parameter from use.
19139         (sra_hash_tree): Handle BIT_FIELD_REFs.
19140         (sra_elt_hash): Don't hash bitfld blocks.
19141         (sra_elt_eq): Skip them in parent compares as well.  Handle
19142         BIT_FIELD_REFs.
19143         (sra_walk_expr): Don't maintain or pass down use_all_p.
19144         (scan_use): Remove use_all parameter.
19145         (scalarize_use): Likewise.  Re-expand assignment to
19146         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
19147         output, and re-scalarize after output.  Don't mark anything
19148         for no warning.
19149         (scalarize_ldst): Adjust.
19150         (scalarize_walk_gimple_modify_statement): Likewise.
19151         (build_element_name_1): Handle BIT_FIELD_REFs.
19152         (instantiate_element): Don't warn for any element whose parent
19153         is used as a whole.
19154         (instantiate_missing_elements_1): Return the sra_elt.
19155         (canon_type_for_field): New.
19156         (try_instantiate_multiple_fields): New.
19157         (instantiate_missing_elemnts): Use them.
19158         (mark_no_warning): Removed.
19159         (generate_one_element_ref): Handle BIT_FIELD_REFs.
19160         (REPLDUP, sra_build_elt_assignment): New.
19161         (generate_copy_inout): Use them.
19162         (generate_element_copy): Likewise.  Handle bitfld differences.
19163         (generate_element_zero): Don't recurse for blocks.  Use
19164         sra_build_elt_assignment.
19165         (generate_one_element_int): Take elt instead of var.  Use
19166         sra_build_elt_assignment.
19167         (generate_element_init_1): Adjust.
19168         (scalarize_use, scalarize_copy): Use REPLDUP.
19169         (scalarize_ldst): Move assert before dereference.
19170         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
19171
19172 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
19173
19174         * regmove.c: Fix unused variable warnings due to previous commit.
19175
19176 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
19177
19178         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
19179         (regmove_bb_head): Remove.
19180         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
19181         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
19182         problems with fixup_match_1.
19183         Don't initialize/free regmove_bb_head.
19184
19185         (reg_is_remote_constant_p): If an insn is in the same basic block
19186         but not before INSN, consider it remote, too.
19187
19188 2007-04-05  Anatoly Sokolov <aesok@post.ru>
19189
19190         PR target/25448
19191         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
19192         DECL_ASSEMBLER_NAME, not the DECL_NAME.
19193
19194 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
19195
19196         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
19197         (CONDITIONAL_REGISTER_USAGE): Likewise.
19198
19199 2007-04-04  Richard Henderson  <rth@redhat.com>
19200
19201         * config/alpha/lib1funcs.asm: Remove unused file.
19202
19203 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
19204
19205         PR other/31356
19206         * opts.c (print_specific_help): Fix --help=<language>
19207         header line.
19208         (common_handle_option): Support --help=common.
19209
19210 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
19211
19212         PR other/31353
19213         * gcc.c (main): Do not run the linker if
19214         print_subprocess_help indicates that it shouldn't be
19215         run.
19216
19217 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
19218
19219         PR doc/31355
19220         * doc/invoke.texi (--help=): Document <languages> value, fix
19221         formatting in tables of values.
19222
19223 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
19224
19225         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
19226         dllimport attribute of virtual methods.
19227
19228 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
19229
19230         * config/score/crti.asm: Change _bss_start to __bss_start.
19231         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
19232         (OUTGOING_REG_PARM_STACK_SPACE) update.
19233         * config/score/score.opt: add options to make backend support
19234         score5, score5u, score7 and score7d.
19235         * config/score/score.md: Likewise.
19236         * config/score/misc.md: Likewise.
19237         * config/score/mac.md: Likewise.
19238         * doc/invoke.texi: Likewise.
19239         * doc/md.texi: update constraints define.
19240
19241 2007-04-03  Richard Henderson  <rth@redhat.com>
19242
19243         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
19244         an appropriate type, use the mode instead.
19245
19246 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
19247
19248         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
19249         Set the default --with-arch setting to mips2.
19250         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
19251         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
19252         (MULTILIB_OSDIRNAMES): Delete.
19253         (MULTILIB_DIRNAMES): Define.
19254         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
19255         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
19256         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
19257         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
19258         VXWORKS_OS_CPP_BUILTINS.
19259         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
19260         (MIPS_DEBUGGING_INFO): Undefine.
19261         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
19262
19263 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
19264
19265         PR middle-end/30704
19266         * fold-const.c (native_encode_real): Encode real.c provided longs
19267         as a series of 32-bit native integers.
19268         (native_interpret_real): Interpret buffer as a series of 32-bit
19269         native integers.
19270
19271 2007-04-03  Richard Guenther  <rguenther@suse.de>
19272
19273         * genpreds.c (write_insn_constraint_len): Write function
19274         optimized for CONSTRAINT_LEN implementation.
19275         (write_tm_preds_h): Output insn_constraint_len inline and
19276         use it for CONSTRAINT_LEN.
19277         (write_insn_preds_c): Don't output insn_constraint_len.
19278         * doc/md.texi (define_register_constraint): Document multi-letter
19279         constraints shall have the same length if they start with the same
19280         letter.
19281
19282 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
19283
19284         PR target/31175
19285         * config/i386/i386.md (isinf<mode>2): Expand only when
19286         TARGET_C99_FUNCTIONS is set.
19287
19288 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
19289
19290         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
19291         (x86_64-*-linux*): Ditto.
19292         * config/i386/i386.opt (mpc): New option.
19293         * config/i386/i386.c (overrride_options): Handle
19294         ix87_precision_string.
19295         * config/i386/crtprec.c: New file.
19296         * config/i386/t-crtpc: Ditto.
19297         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
19298         and -mpc80 options.
19299         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
19300         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
19301         crtprec32.o, crtprec64.o and crtprec80.o.
19302
19303         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
19304         and -mpc80 options.
19305         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
19306
19307 2007-04-02  Eric Christopher  <echristo@apple.com>
19308
19309         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
19310         limitations on darwin.
19311
19312 2007-04-02  Anatoly Sokolov <aesok@post.ru>
19313
19314         PR target/31137
19315         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
19316
19317 2007-04-02  Dave Korn  <dave.korn@artimi.com>
19318
19319         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
19320
19321 2007-04-02  Dave Korn  <dave.korn@artimi.com>
19322
19323         * libgcc2.h (exception_descriptor): Don't forward-declare.
19324         (__get_eh_table_language, __get_eh_table_version): Delete
19325         prototypes of long-dead functions.
19326
19327 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
19328
19329         * ebitmap.h: New file
19330         * ebitmap.c: New file
19331         * Makefile.in (ebitmap.o): New target.
19332
19333 2007-04-01  Jan Hubicka  <jh@suse.cz>
19334
19335         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
19336         before very first instruction.
19337
19338 2007-04-01  Jan Hubicka  <jh@suse.cz>
19339
19340         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
19341         waring on 64bit hosts.
19342         * bitmap.h: Fix typo in bitmap_head_def.
19343
19344 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
19345
19346         PR rtl-optimization/31391
19347         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
19348         into a DELETED_LABEL note, and the label is in an empty basic
19349         block, update BB_END as well as BB_HEAD.
19350
19351 2007-04-01  Richard Henderson  <rth@redhat.com>
19352
19353         PR tree-optimization/31169
19354         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
19355         to varying if the range is outside [0,  prec-1].
19356
19357 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
19358
19359         PR target/31388
19360         * config/mips/mips.md (load_const_gp): New insn.
19361         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
19362         the MIPS16 GP pseudo register if no_new_pseudos.
19363         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
19364
19365 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19366
19367         PR target/31364
19368         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
19369         secureplt.
19370         (call_value): Likewise.
19371
19372 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
19373             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19374
19375         PR 14737
19376         * doc/invoke.texi: (optimization options): Reword description
19377         of -ffast-math. Document its primary purpose.
19378
19379 2007-03-31  Richard Guenther  <rguenther@suse.de>
19380
19381         * omp-low.c (splay-tree.h): Include.
19382         (lookup_decl): Replace splay-tree usage by pointer-map.
19383         (maybe_lookup_decl): Likewise.
19384         (new_omp_context): Likewise.
19385         (delete_omp_context): Likewise.
19386         * gimplify.c (splay-tree.h): Include.
19387         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
19388         pointer-map.
19389         (remap_ssa_name): Likewise.
19390         (remap_decl): Likewise.
19391         (remap_type_1): Likewise.
19392         (remap_type): Likewise.
19393         (copy_body_r): Likewise.
19394         (expand_call_inline): Likewise.
19395         (clone_body): Likewise.
19396         (copy_tree_r): Likewise.
19397         (remap_save_expr): Likewise.
19398         (unsave_r): Likewise.
19399         (unsave_expr_now): Likewise.
19400         (tree_function_versioning): Likewise.
19401         (build_duplicate_type): Likewise.
19402         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
19403         (struct copy_body_data): Replace splay-tree by pointer-map.
19404         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
19405         not $(SPLAY_TREE_H).
19406         (gimplify.o): Depend on $(SPLAY_TREE_H).
19407         (omp-low.p): Likewise.
19408
19409 2007-03-31  Anatoly Sokolov <aesok@post.ru>
19410
19411         * config/avr/predicates.md (even_register_operand,
19412         odd_register_operand): New predicates.
19413         * config/avr/avr.md (movw peephole2): New.
19414         (movw_r peephole2): New.
19415
19416 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
19417
19418         * tree.h (get_signed_or_unsigned_type): New.
19419         * fold-const.c (operand_equal_for_comparison_p): Use
19420         get_signed_or_unsigned_type instead of
19421         lang_hooks.types.signed_or_unsigned_type.
19422         * expr.c (store_expr): Ditto.
19423         * langhooks.c (get_signed_or_unsigned_type): New.
19424         (lhd_signed_or_unsigned_type): New.
19425         * langhooks.h (lhd_signed_or_unsigned_type): New.
19426         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
19427
19428 2007-03-30  Richard Henderson  <rth@redhat.com>
19429
19430         * tree-ssa-loop-ivopts.c: Include target.h.
19431         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
19432         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
19433         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
19434         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
19435
19436 2007-03-30  Richard Henderson  <rth@redhat.com>
19437             Kai Tietz  <kai.tietz@onevision.com>
19438
19439         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
19440         default for 64-bit.
19441         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
19442         (TARGET_64BIT_MS_ABI): New.
19443         (DBX_REGISTER_NUMBER): Handle 64-bit.
19444         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
19445         (LONG_TYPE_SIZE): Force to 32.
19446         (REG_PARM_STACK_SPACE): New.
19447         (OUTGOING_REG_PARM_STACK_SPACE): New.
19448         (REGPARM_MAX, SSE_REGPARM_MAX): New.
19449         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
19450         (STACK_BOUNDARY): Use 128 for 64-bit.
19451         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
19452         Add 64-bit implementation.
19453         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
19454         argument unused.
19455         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
19456         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
19457         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
19458         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
19459         (ix86_handle_cconv_attribute): Don't warn when ignoring if
19460         TARGET_64BIT_MS_ABI.
19461         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
19462         (ix86_pass_by_reference): Likewise.
19463         (ix86_function_value_regno_p): Likewise.
19464         (ix86_build_builtin_va_list): Likewise.
19465         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
19466         (function_arg_advance_ms_64): New.
19467         (function_arg_advance): Call it.
19468         (function_arg_ms_64): New.
19469         (function_arg): Call it.
19470         (function_value_ms_64): New.
19471         (ix86_function_value_1): Call it.
19472         (return_in_memory_ms_64): New.
19473         (ix86_return_in_memory): Call it.
19474         (setup_incoming_varargs_ms_64): New.
19475         (ix86_setup_incoming_varargs): Call it.
19476         (ix86_expand_prologue): Handle 64-bit stack probing.
19477         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
19478         (output_pic_addr_const): Likewise.
19479         (x86_this_parameter): Likewise.
19480         (x86_output_mi_thunk): Likewise.
19481         (x86_function_profiler): Likewise.
19482         (TARGET_STRICT_ARGUMENT_NAMING): New.
19483         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
19484         (TARGET_64BIT_MS_ABI): New.
19485         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
19486         * config/i386/i386.md (allocate_stack_worker): Remove.
19487         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
19488         describe the clobber of eax without a match_scratch.
19489         (allocate_stack_worker_postreload): Remove.
19490         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
19491         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
19492         (allocate_stack_worker_rex64_postreload): Remove.
19493         (allocate_stack): Handle 64-bit.
19494         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
19495         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
19496         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
19497         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
19498         (STANDARD_STARTFILE_PREFIX_1): Likewise.
19499         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
19500         * config.build (x86_64-*-mingw*): New host.
19501         * config.host (x86_64-*-mingw*): New host.
19502         * config.gcc (x86_64-*-mingw*): New target.
19503         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
19504
19505 2007-03-30  Richard Henderson  <rth@redhat.com>
19506             Kai Tietz  <kai.tietz@onevision.com>
19507
19508         * c-pragma.c (struct def_pragma_macro_value): New.
19509         (struct def_pragma_macro): New.
19510         (pushed_macro_table): New.
19511         (dpm_hash, dpm_eq): New.
19512         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
19513         (init_pragma): Install them.
19514         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
19515
19516 2007-03-30  Anatoly Sokolov <aesok@post.ru>
19517
19518         * config/avr/avr.c (avr_override_options): Clear
19519         'flag_delete_null_pointer_checks'.
19520
19521 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
19522
19523         PR c++/26099
19524         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
19525         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
19526         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
19527         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
19528         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
19529         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
19530         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
19531         C++ extensions.
19532         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
19533
19534 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
19535
19536         * regmove.c: Move all of pass_stack_adjustments from here...
19537         * combine-stack-adj.c: ...to this new file.
19538         * Makefile.in: Add rules for combine-stack-adj.o.
19539
19540 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
19541
19542         PR tree-optimization/31383
19543         * tree-data-ref.c (affine_function_equal_p): Do not require the
19544         vectors to have the same length.
19545
19546 2007-03-30  Jan Hubicka  <jh@suse.cz>
19547
19548         PR middle-end/30700
19549         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
19550         availablility; add more sanity checking; ask varpool only about
19551         VAR_DECL.
19552
19553 2007-03-29  Richard Henderson  <rth@redhat.com>
19554
19555         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
19556         to decide, but __SIZEOF_LONG_LONG__.
19557
19558 2007-03-29  Richard Henderson  <rth@redhat.com>
19559
19560         * emutls.c (struct __emutls_array): New.
19561         (emutls_destroy): Use it instead of casting element 0 from void*.
19562         (__emutls_get_address): Likewise.
19563
19564 2007-03-29  Richard Henderson  <rth@redhat.com>
19565
19566         * varasm.c (initializer_constant_valid_p): Don't deny
19567         DECL_DLLIMPORT_P on functions.
19568
19569         * config/i386/cygming.h: Remove function declarations.
19570         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
19571         (ASM_OUTPUT_LABELREF): Remove.
19572         (COMMON_ASM_OP): Remove.
19573         (ASM_OUTPUT_COMMON): Remove.
19574         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
19575         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
19576         (ASM_DECLARE_FUNCTION_NAME): Likewise.
19577         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
19578         Rename from TARGET_ENCODE_SECTION_INFO.
19579         * config/i386/netware.h: Likewise.
19580         * config/i386/i386-protos.h: Update.
19581         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
19582         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
19583         (legitimate_constant_p): Reject dllimports.
19584         (dllimport_map, get_dllimport_decl): New.
19585         (legitimize_dllimport_symbol): New.
19586         (legitimize_address, ix86_expand_move): Use it.
19587         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
19588         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
19589         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
19590         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
19591         * config/i386/predicates.md (constant_call_address_operand): Only
19592         accept symbols; reject dllimport_p symbols.
19593         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
19594         i386_pe_maybe_record_exported_symbol.
19595         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
19596         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
19597         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
19598         trust the setting of DECL_DLLIMPORT_P.
19599         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
19600         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
19601         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
19602         tidy the argument scanning loop.
19603         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
19604         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
19605         (i386_pe_strip_name_encoding): Remove.
19606         (i386_pe_binds_local_p): New.
19607         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
19608         (i386_pe_output_labelref): Remove.
19609         (i386_pe_asm_output_aligned_decl_common): New.
19610         (i386_pe_maybe_record_exported_symbol): Rename from
19611         i386_pe_record_exported_symbol; check for dllexported symbols.
19612
19613 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
19614
19615         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
19616         add comment explaining why vsnprintf cannot be used.
19617
19618 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
19619
19620         PR tree-optimization/30666
19621         * tree.c (build_complex_type): When creating type names for DWARF2
19622         debug info, create TYPE_DECLs for TYPE_NAME instead of
19623         IDENTIFIER_NODEs.
19624         (build_common_tree_nodes_2): Use build_complex_type when building
19625         predefined complex types, to preserve canonical types.
19626
19627 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
19628
19629         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
19630         (noce_get_alt_condition): Look at it to determine whether to
19631         reverse the condition or not.
19632         (noce_get_condition): Substitute the truth for lies.
19633         (noce_find_if_block): Set the then_else_reversed field.
19634
19635 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
19636
19637         * config/fr30/fr30.md (movdi): Do not accept immediates as the
19638         destination of this insn.
19639         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
19640         than calling gen_rtx_SET directly.  Use r0 to hold the value of
19641         'address + 4' rather than a stack based temporary which can be
19642         mis-optimized away.
19643
19644 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19645
19646         * config/s390/s390.c (s390_secondary_input_reload_class,
19647         s390_secondary_output_reload_class): Functions removed.
19648         (s390_secondary_reload): New function.
19649         (TARGET_SECONDARY_RELOAD): Target macro defined.
19650         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
19651         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
19652         * config/s390/s390.md ("reload_outti", "reload_outdi",
19653         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
19654         "reload_out<mode>"): Expanders removed.
19655         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
19656         "reload<mode>_nonoffmem_out"): Expanders added.
19657
19658 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19659
19660         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
19661         action if SRC->DEST replacement failed anyway.
19662
19663 2007-03-28  Mike Stump  <mrs@apple.com>
19664
19665         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
19666         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
19667         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
19668
19669 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
19670
19671         * config.gcc: Accept barcelona as a variant of amdfam10.
19672         * config/i386/i386.c (override_options): Likewise.
19673         * doc/invoke.texi: Likewise.
19674
19675 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
19676
19677         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
19678         offsets for BIT_FIELD_REF and COMPONENT_REF.
19679
19680 2007-03-28  Richard Guenther  <rguenther@suse.de>
19681
19682         * tree.c (is_global_var): Move ...
19683         * tree-flow-inline.h (is_global_var): ... here.
19684         * tree.h (is_global_var): Remove declaration.
19685
19686 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
19687
19688         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
19689         option.
19690         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
19691         * config/i386/i386.c (ix86_tune_features): Initialize new
19692         tuning option.
19693         * config/i386/predicates.md (promotable_binary_operator): Use
19694         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
19695
19696 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
19697
19698         PR target/31380
19699         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
19700
19701 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
19702
19703         * config/fr30/fr30.md (movsi_internal): Change destination
19704         constraint from m to V and add m to the end.
19705
19706 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19707
19708         * config/sh/sh.md (movsi_i): Fix type attribute.
19709
19710 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19711
19712         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
19713         (movsf_ie): Likewise.
19714
19715 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19716
19717         * config.gcc: Add sh4-300 to multilib.
19718         * config/sh/t-mlib-sh4-300: New file.
19719
19720 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
19721
19722         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
19723         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
19724         fix_trunc<mode>di2.
19725         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
19726         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
19727         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
19728         "fixuns_trunctddi2"): Whitespace fix.
19729
19730 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
19731
19732         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
19733         the definition of struct sh_args.
19734         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
19735         CALL_COOKIE_INT_REG_GET): Likewise.
19736
19737 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
19738
19739         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
19740         transformations are applied successfully.
19741
19742 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
19743
19744         * tree.c (tree_contains_struct): Permit 512 tree codes.
19745         * tree.h (tree_contains_struct): Ditto.
19746         (MAX_TREE_CODES): Ditto.
19747         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
19748         SPARE member to store remaining padding bits.
19749
19750 2007-03-27  Anatoly Sokolov <aesok@post.ru>
19751
19752         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
19753         architecture.
19754
19755 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
19756
19757         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
19758         * configure: Regenerate.
19759
19760         * configure: Regenerate using the correct version of autoconf.
19761
19762 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
19763
19764         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
19765         pointer regs.
19766         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
19767         regs to "__SP_L__" and "__SP_H__".
19768
19769 2007-03-27  Richard Guenther  <rguenther@suse.de>
19770
19771         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
19772         computations with it with a HOST_WIDE_INT variable.
19773
19774 2007-03-26  Mike Stump  <mrs@apple.com>
19775
19776         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
19777         objective-c-header, objective-c++-header and objc++-cpp-output
19778         support.
19779         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
19780
19781 2007-03-26  Richard Henderson  <rth@redhat.com>
19782
19783         PR target/31361
19784         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
19785         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
19786         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
19787         IX86_BUILTIN_PSRLQ128): New.
19788         (ix86_init_mmx_sse_builtins): Add them.
19789         (ix86_expand_builtin): Expand them.
19790         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
19791         operand 2 be TImode.
19792         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
19793         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
19794         _mm_srli_epi64): Mark __B const.
19795         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
19796         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
19797         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
19798         new two-vector shift builtins.
19799
19800 2007-03-26  Ian Lance Taylor  <iant@google.com>
19801
19802         PR tree-optimization/31345
19803         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
19804         [+INF, +INF(OVF)] into VARYING.
19805
19806 2007-03-26  Zack Weinberg  <zackw@panix.com>
19807
19808         * gengtype-parse.c: New file.
19809         * gengtype-yacc.y: Delete.
19810         * gengtype-lex.l: Don't include gengtype-yacc.h.
19811         Define YY_DECL and yyterminate appropriately for recursive
19812         descent parser.  yylval is now a string out-parameter to yylex.
19813         (HWS, EOID): New shorthand.
19814         (IWORD): Add a couple more types.
19815         (yylex): Add a setup stanza.  Remove the complex rules for
19816         detecting GTY'ed types and typedefs; replace with simple
19817         keyword detectors.  Adjust everything for the changed
19818         definition of yylval.  Ignore all pp-directives, not just #define.
19819         (yyerror): Delete.
19820         (parse_file): Rename yybegin; do not call yyparse.
19821         (yyend): New.
19822         * gengtype.c (xasprintf): Export again.
19823         (this_file): New.  Use everywhere __FILE__ was being used.
19824         (get_lang_bitmap): Special case types defined in gengtype.c.
19825         (do_typedef, new_structure): Suppress definition of certain types.
19826         (new_structure): Improve diagnostics of duplicate definitions.
19827         Make sure location_s is associated with input.h.
19828         (nreverse_pairs, define_location_structures): New functions.
19829         (main): Improve tagging of kludge types.  Remove old kludges
19830         for input.h types; use define_location_structures.
19831         * gengtype.h: Update prototypes.  Define token codes here.
19832         * Makefile.in: Remove all references to gengtype-yacc.
19833         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
19834         and gengtype.
19835         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
19836         add GTY((skip)) to the field that's only conditionally there.
19837         * doc/install.texi: Document that Bison is no longer required
19838         unless building treelang.
19839
19840         * gengtype.c: Don't include gtyp-gen.h.
19841         (srcdir): Declare here.
19842         (base_files, lang_dir_names): Allocate dynamically.
19843         (gt_files, num_gt_files, num_lang_dirs): New globals.
19844         (measure_input_list, read_input_line, read_input_list)
19845         (set_lang_bitmap): New functions.
19846         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
19847         simplify, relying on read_input_list to set up the bitmaps.
19848         (main): Arguments are no longer unused.  Check for correct number
19849         of command line arguments, set srcdir and srcdir_len, then call
19850         read_input_list, before doing anything else.  No need to worry
19851         about duplicates in main loop.
19852         * configure.ac: Simplify the calculation of all_gtfiles.
19853         Put language tags in there.  Don't set or substitute
19854         all_gtfiles_files_langs or all_gtfiles_files_frags.
19855         * Makefile.in: Revamp the way gengtype is invoked, now that it
19856         takes a file on its command line with a much simpler format.
19857         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
19858         (GTFILES): Remove duplicates and C source files.
19859         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
19860         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
19861         * configure: Regenerate.
19862
19863         * gengtype.h: Remove all type definitions to gengtype.c; leave
19864         only definitions of options_p, type_p, and pair_p as opaque
19865         pointers.  Update prototypes.
19866         * gengtype.c: Many type definitions moved here from gengtype.h.
19867         Consolidate type definitions at the top of the file.
19868         (xvasprintf): Delete.
19869         (xasprintf): Make static.
19870         (create_nested_pointer_option): Add 'next' parameter.
19871         (create_field_all, create_field_at): New functions.
19872         (create_field): Now a thin wrapper around create_field_all.
19873         (create_optional_field): Rename create_optional_field_ and add
19874         line argument.  Original name is now a macro which supplies
19875         __LINE__.
19876         (oprintf): Use vsnprintf directly.
19877         (close_output_files): Use fatal rather than perror/exit.
19878         (note_def_vec, note_def_vec_alloc): Use create_field_at.
19879         (main): Set progname.  Don't use exit.
19880         * gengtype-yacc.y (struct_fields): Use create_field_at.
19881         (option, optionseqopt): Delete.
19882         (optionseq): Consolidate productions from option here so we
19883         can use the first argument to create_option.
19884
19885         * gengtype-lex.l: Distinguish unions from structures in the
19886         token type.  Don't call find_structure; return the tag as a string.
19887         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
19888         ENT_UNION.  Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
19889         string.  Reorganize typedef_struct production accordingly.
19890         Use create_nested_ptr_option.
19891         * gengtype.c (create_nested_ptr_option): New function.
19892         * gengtype.h: Declare it.
19893
19894         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
19895         (string_type): Don't declare.
19896         (do_scalar_typedef): Declare.
19897         (create_scalar_type): Update prototype.
19898         * gengtype.c (string_type): Make static.
19899         (scalar_nonchar, scalar_char): New.
19900         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
19901         (resolve_typedef): Use scalar_nonchar for error recovery.
19902         (create_scalar_type): Remove name_len field.  Return scalar_char
19903         or scalar_nonchar as appropriate.
19904         (adjust_field_type): Look at scalar_is_char boolean to decide whether
19905         to use string_type.
19906         (throughout): Use scalar_nonchar instead of calling
19907         create_scalar_type, whenever possible.
19908         (main): Initialize scalar_char and scalar_nonchar before calling
19909         gen_rtx_next.
19910         * gengtype-lex.l: Adjust for removal of second argument to
19911         create_scalar_type.  Use yylval.s instead of yylval.t when
19912         returning SCALAR.
19913         * gengtype-yacc.y: Type of SCALAR is string.  Call
19914         create_scalar_type from type:SCALAR rule.  Adjust for removal of
19915         second argument to create_scalar_type.
19916
19917         * vec.h: Remove all #if IN_GENGTYPE blocks.
19918         Add comment saying that changes may require adjustments to gengtype.
19919         * gengtype.c: Don't include coretypes.h or tm.h.
19920         Add comment to inclusion of errors.h.
19921         (note_def_vec, note_def_vec_alloc): New functions.
19922         * gengtype.h: Declare new functions.
19923         * gengtype-lex.l: Don't include coretypes.h.
19924         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
19925         Delete.
19926         (update_lineno): Remove unnecessary prototype.
19927         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
19928         (VEC rule): Just return VEC_TOKEN.
19929         * gengtype-yacc.y (VEC_TOKEN): New token type.
19930         (type): Add a production for VEC(a,b).
19931         * Makefile.in: Update dependencies.
19932
19933         * gengtype-lex.l: Remove rules for parsing pointer-to-function
19934         typedefs that use the old PARAMS macro.
19935
19936         * gengtype-lex.l: Remove all rules and states relating to yacc
19937         input files.
19938         * gengtype-yacc.y: Similarly.
19939         * gengtype.c (note_yacc_type): Delete function.
19940         * gengtype.h: Update prototypes.
19941
19942 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
19943
19944         * tree-pretty-print.c (dump_generic_node): Report precision of
19945         unnamed integer types.
19946
19947 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
19948
19949         * ifcvt.c (noce_try_store_flag_constants): Don't check
19950         no_new_pseudos here.
19951         (noce_try_store_flag_constants): Don't check no_new_pseudos.
19952         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
19953         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
19954         noce_try_sign_mask): Likewise.
19955         (if_convert): Check no_new_pseudos here.
19956
19957         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
19958         Remove prototypes.
19959         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
19960         (noce_get_condition): Handle new then_else_reversed argument.
19961         (noce_init_if_info): Remove, fold into noce_find_if_block.
19962         (noce_process_if_block): Take a struct noce_if_info as the
19963         argument.  Don't set up one based on ce_if_info.  Update pointer
19964         references accordingly.
19965         (cond_move_process_if_block): Likewise.
19966         (process_if_block): Removed.
19967         (find_if_block): Removed.  Move functionality two new functions,
19968         noce_find_if_block and cond_exec_find_if_block.
19969         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
19970         blocks and the symmetric IF-ELSE-JOIN case.
19971         (cond_exec_find_if_block): Also new function mostly based on old
19972         find_if_block and process_if_block.
19973         (find_if_header): Replace find_if_block call with separately
19974         guarded calls to noce_find_if_block and cond_exec_find_if_block.
19975         (find_cond_trap): Update noce_get_condition call.
19976         (dead_or_predicable): Likewise.
19977
19978 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
19979
19980         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
19981         Remove.
19982         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
19983         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
19984         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
19985         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
19986         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
19987         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
19988         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
19989         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
19990         __builtin_ia32_psrad128 builtins.
19991
19992 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
19993
19994         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
19995         * config/i386/constraints.md
19996         (define_constraint "I"): Use IN_RANGE macro.
19997         (define_constraint "J"): Ditto.
19998         (define_constraint "K"): Ditto.
19999         (define_constraint "M"): Ditto.
20000         (define_constraint "N"): Ditto.
20001         (define_constraint "O"): Ditto.
20002         * config/i386/predicates.md
20003         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
20004         (define_predicate "const_0_to_3_operand"): Ditto.
20005         (define_predicate "const_0_to_7_operand"): Ditto.
20006         (define_predicate "const_0_to_15_operand"): Ditto.
20007         (define_predicate "const_0_to_63_operand"): Ditto.
20008         (define_predicate "const_0_to_255_operand"): Ditto.
20009         (define_predicate "const_1_to_31_operand"): Ditto.
20010         (define_predicate "const_2_to_3_operand"): Ditto.
20011         (define_predicate "const_4_to_7_operand"): Ditto.
20012
20013 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
20014
20015         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
20016         in SImode for save_world.
20017         * config/rs6000/altivec.md (save_world, restore_world): Convert to
20018         LR hard reg.
20019
20020 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
20021
20022         PR tree-optimization/30784
20023         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
20024         BIT_FIELD_REF.
20025
20026 2007-03-25  Revital Eres  <eres@il.ibm.com>
20027
20028         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
20029           Fold movement_possibility function into it.
20030
20031 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
20032
20033         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
20034         (load_macho_picbase_{si,di}): Convert to LR hard reg.
20035         (call_indirect_nonlocal_darwin64): Same.
20036         (call_nonlocal_darwin64): Same.
20037         (call_value_indirect_nonlocal_darwin64): Same.
20038         (call_value_nonlocal_darwin64): Same.
20039         (sibcall_nonlocal_darwin64): Same.
20040         (sibcall_value_nonlocal_darwin64): Same.
20041         (sibcall_symbolic_64): Same.
20042         (sibcall_value_symbolic_64): Same.
20043         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
20044         LR pseudo.
20045         (rs6000_emit_load_toc_table): Same.
20046         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
20047         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
20048         (mull_call): Same.
20049         (divss_call): Same.
20050         (divus_call): Same.
20051         (quoss_call): Same.
20052         (quous_call): Same.
20053         (load_toc_v4_pic_si): Same
20054         (load_toc_v4_PIC_1): Same.
20055         (load_toc_v4_PIC_1b): Same.
20056         (call_indirect_aix{32,64}): Same.
20057         (call_value_indirect_aix{32,64}): Same.
20058         (call): Same.
20059         (call_value): Same.
20060         (call_local{32,64}): Same.
20061         (call_value_local{32,64}): Same.
20062         (call_indirect_nonlocal_aix{32,64}): Same.
20063         (call_nonlocal_aix{32,64}): Same.
20064         (call_value_indirect_nonlocal_aix{32,64}): Same.
20065         (call_value_nonlocal_aix{32,64}): Same.
20066         (call_indirect_nonlocal_sysv<mode>): Same.
20067         (call_nonlocal_sysv<mode>): Same.
20068         (call_value_indirect_nonlocal_sysv<mode>): Same.
20069         (call_value_nonlocal_sysv<mode>): Same.
20070         (sibcall): Same.
20071         (sibcall_local{32,64}): Same.
20072         (sibcall_value_local{32,64}): Same.
20073         (sibcall_nonlocal_aix{32,64}): Same.
20074         (sibcall_value_nonlocal_aix{32,64}): Same.
20075         (sibcall_nonlocal_sysv<mode>): Same.
20076         (sibcall_value): Same.
20077         (sibcall_value_nonlocal_sysv<mode>): Same.
20078
20079 2007-03-24  Paul Brook  <paul@codesourcery.com>
20080
20081         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
20082         * config/arm/linux-eabi.h: Remove legacy syscall hack.
20083
20084 2007-03-24  Richard Henderson  <rth@redhat.com>
20085
20086         * config/ia64/constraints.md: New file.
20087         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
20088         satisfies_constraint_?.
20089         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
20090         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
20091         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
20092         ia64_output_mi_thunk): Likewise.
20093         (ia64_const_ok_for_letter_p): Remove.
20094         (ia64_const_double_ok_for_letter_p): Remove.
20095         (ia64_extra_constraint): Remove.
20096         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
20097         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
20098         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
20099         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
20100         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
20101         EXTRA_MEMORY_CONSTRAINT): Remove.
20102         * config/ia64/ia64.md: Include constriants.md.  Replace
20103         CONST_OK_FOR_? with satisfies_constraint_?.
20104
20105 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
20106             H.J. Lu  <hongjiu.lu@intel.com>
20107
20108         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
20109         DPD or BID name.
20110         (name macros): Use DPD_BID_NAME to convert names properly.
20111
20112         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
20113         decimal floating point format.
20114         (init_floating_libfuncs): Change decimal functions so that they
20115         have a "bid_" prefix if the decimal system uses the BID format,
20116         and "dpd_" prefix if the decimal system uses the DPD format.
20117         (init_interclass_conv_libfuncs): Ditto.
20118         (init_intraclass_conv_libfuncs): Ditto.
20119
20120         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
20121         using the BID format.
20122
20123         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
20124         whether we are using the BID decimal format.
20125         * configure: Regenerate.
20126
20127         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
20128         the compiler has decimal floating point enabled.  Define
20129         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
20130         instead of DPD.
20131
20132         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
20133         using the BID format.
20134
20135         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
20136         whether we are using the BID decimal format.
20137         * configure: Regenerate.
20138
20139         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
20140         the compiler has decimal floating point enabled.  Define
20141         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
20142         instead of DPD.
20143
20144         * doc/install.texi (--enable-decimal-float): Document BID and DPD
20145         options, and that it is enabled for i386/x86_64 systems.
20146
20147         * Makefile.in (enable_decimal_float): New.
20148         (DECNUMFMT): New.
20149         (DECNUMINC): Add  -I$(DECNUMFMT).
20150         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
20151         to $(DECNUMFMT) from $(DECNUM).
20152
20153         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
20154         Substitute enable_decimal_float.
20155         * configure: Regenerated.
20156
20157         PR other/30529
20158         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
20159         unsigned long.
20160
20161         * configure.ac: Enable decimal float for x86_64-*-linux*.
20162         * configure: Regenerated.
20163
20164         PR other/30530
20165         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
20166         decimal128ClearSign to flip and clear the sign bit in decimal128.
20167         (decimal_real_maxval): Set decimal128SetSign to set the sign
20168         bit in decimal128.
20169
20170 2007-03-23  Ian Lance Taylor  <iant@google.com>
20171
20172         * fold-const.c (fold_binary): Correct warning for X - c >= X.
20173
20174 2007-03-23  Ian Lance Taylor  <iant@google.com>
20175
20176         * tree-dump.c (dump_files): Correct comment.
20177
20178 2007-03-23  Ian Lance Taylor  <iant@google.com>
20179
20180         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
20181
20182 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
20183
20184         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
20185         in cfglayout mode.  Don't go into and out of cfglayout mode.
20186         Link the blocks in the order of the constructed traces.
20187         (rest_of_handle_tracer): Adjust call to tracer.
20188         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
20189         Don't go into cfglayout mode.
20190         (rtl_loop_done): Don't go out of cfglayout mode.
20191         * cfglayout.c (relink_block_chain): New function, split out from...
20192         (fixup_reorder_chain): ...here.  Remove redundant checking.
20193         (cfg_layout_finalize): Don't clear the header, footer, and aux
20194         fields here, move the code to do so to relink_block_chain.  Likewise
20195         for free_original_copy_tables.
20196         * rtl.h (tracer): Update prototype.
20197         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
20198         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
20199         mode.  Use relink_block_chain to serialize the CFG according to the
20200         new basic block order.  Move targetm.cannot_modify_jumps_p check from
20201         here...
20202         (gate_handle_reorder_blocks): ...to here.
20203         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
20204         from here...
20205         (gate_duplicate_computed_gotos): ...to here.
20206         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
20207         something always changes when going into and out of cfglayout mode.
20208         Perform an expensive cfg cleanup while going into cfglayout mode.
20209         Always update liveness information on HAVE_conditional_execution
20210         targets.  Reserialize the basic blocks and go out of cfglayout mode.
20211         * reg-stack.c: Include cfglayout.h.
20212         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
20213         the call to reorder_basic_blocks.
20214         * basic-block.h (reorder_basic_blocks): Update prototype.
20215         (relink_block_chain): New prototype.
20216         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
20217
20218 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
20219
20220         * config/mips/mips.md (type, hazard, *movdi_32bit,
20221         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
20222         *movhi_internal, *movqi_internal, *movsf_hardfloat,
20223         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
20224         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
20225         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
20226         applicable.
20227         (movcc): Change first xfer to multi.
20228         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
20229         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
20230         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
20231         config/mips/generic.md: Change reservations using "xfer" to use
20232         "mfc,mtc".
20233         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
20234         using match_operand.
20235         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
20236         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
20237         examining mode.
20238         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
20239
20240 2007-03-22  Richard Henderson  <rth@redhat.com>
20241
20242         * config/i386/i386.c: Remove unnecessary function declarations.
20243         Move targetm definition, and all related macros, to the end of
20244         the file.  Resort some functions to put definitions before uses.
20245         (ix86_attribute_table): Make static.  Move to end of file.
20246         (ix86_gimplify_va_arg): Make static.
20247
20248 2007-03-22  Richard Henderson  <rth@redhat.com>
20249
20250         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
20251         don't increase local_regparm with force_align_arg_pointer check.
20252         (ix86_function_sseregparm): Assert 32-bit.
20253         (type_has_variadic_args_p): New.
20254         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
20255         type_has_variadic_args_p.
20256         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
20257         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
20258         use memset instead.  Do maybe_vaarg check first; skip attribute
20259         tests if true; skip attribute tests for 64-bit.
20260         (construct_container): Remove TARGET_DEBUG_ARG.
20261         (function_arg_advance_32, function_arg_advance_64): Split out ...
20262         (function_arg_advance): ... from here.
20263         (function_arg_32, function_arg_64): Split out ...
20264         (function_arg): ... from here.
20265         (ix86_pass_by_reference): Tidy.
20266         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
20267         (function_value_32): New, from parts of ix86_function_value
20268         and ix86_value_regno.
20269         (function_value_64): New, from parts of ix86_function_value
20270         and ix86_libcall_value.
20271         (ix86_function_value_1): New.
20272         (ix86_function_value, ix86_libcall_value): Use it.
20273         (return_in_memory_32, return_in_memory_64): Split out ...
20274         (ix86_return_in_memory): ... from here.
20275         (ix86_struct_value_rtx): Skip for 64-bit.
20276         (ix86_libcall_value, ix86_value_regno): Remove.
20277         (setup_incoming_varargs_64): Split out ...
20278         (ix86_setup_incoming_varargs): ... from here.
20279         (ix86_va_start): Remove TARGET_DEBUG_ARG.
20280         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
20281         * config/i386/i386-protos.h (ix86_function_value): Remove.
20282         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
20283
20284 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20285
20286         PR other/23572
20287         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
20288         infinities not supported, otherwise emit warning if -Woverflow. On
20289         underflow, emit warning if -Woverflow.
20290         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
20291         and 0 otherwise.
20292         * real.h (real_from_string): Update declaration
20293
20294 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
20295             Richard Henderson  <rth@redhat.com>
20296
20297         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
20298         * calls.c (compute_argument_block_size, expand_call,
20299         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
20300         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
20301         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
20302         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
20303         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
20304         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
20305         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
20306         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
20307         Set to 1.
20308
20309 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
20310
20311         * c-incpath.c (add_sysroot_to_chain): New.
20312         (merge_include_chains): Add sysroot argument.  Call
20313         add_sysroot_to_chain if sysrooted.
20314         (register_include_chains): Update call to merge_include_chains.
20315         * doc/cppopts.texi: Document use of '=' in include directory
20316         arguments.
20317
20318 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
20319
20320         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
20321         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
20322         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
20323         insn pattern using X87MODEF12 mode macro.
20324
20325 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
20326
20327         * regmove.c (regmove_optimize): Use reg_mentioned_p
20328         instead of reg_overlap_mentioned_p for DST.
20329
20330 2007-03-21  Mike Stump  <mrs@apple.com>
20331
20332         * c.opt: Fixup for Objective-C/C++.
20333
20334 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
20335
20336         * explow.c (convert_memory_address): Fold memory reference when
20337         POINTERS_EXTEND_UNSIGNED < 0
20338
20339 2007-03-21  Richard Henderson  <rth@redhat.com>
20340
20341         PR target/31245
20342         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
20343         * config/i386/mmintrin.h (__m64): Likewise.
20344         * config/i386/xmmintrin.h (__m128): Likewise.
20345
20346 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20347
20348         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
20349         (VXWORKS_OS_CPP_BUILTINS): Define.
20350         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
20351         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
20352
20353 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20354
20355         * rtl.h (constant_pool_reference_p): Delete.
20356         (find_constant_src): Declare.
20357         * rtlanal.c (find_constant_src): New function.
20358         * simplify-rtx.c (constant_pool_reference_p): Delete.
20359         * config/i386/i386.md: Use find_constant_src instead of
20360         constant_pool_reference_p/avoid_constant_pool_reference pairs.
20361
20362 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20363
20364         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
20365         * c-cppbuiltin.c (c_cpp_builtins): Define them.
20366
20367 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
20368
20369         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
20370         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
20371         (arm_elf_asm_constructor): Use it.
20372         (arm_elf_asm_destructor): New function.
20373
20374 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
20375
20376         * jump.c (mark_jump_label): Treat SEQUENCE specially.
20377
20378 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
20379
20380         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
20381
20382 2007-03-19  Andrew Haley  <aph@redhat.com>
20383
20384         PR tree-optimization/31264
20385         * tree-vrp.c (register_edge_assert_for_1): Don't look though
20386         VIEW_CONVERT_EXPRs.
20387
20388 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
20389
20390         PR rtl-optimization/30907
20391         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
20392         (fwprop_init): Always call loop_optimizer_initialize.
20393         (fwprop_done): Always call loop_optimizer_finalize.
20394         (fwprop): We always have loop info now.
20395         (gate_fwprop_addr): Remove.
20396         (pass_fwprop_addr): Use gate_fwprop as gate.
20397
20398         PR rtl-optimization/30841
20399         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
20400         df_chain_alloc): Call df_reorganize_refs unconditionally.
20401         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
20402         refs_organized to refs_organized_size.
20403         (df_ref_create_structure): Use refs_organized_size instead of
20404         bitmap_size if refs had been organized, and keep refs_organized_size
20405         up-to-date.
20406         * df.h (struct df_ref_info): Change refs_organized to
20407         refs_organized_size.
20408         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
20409         bitmap_size.
20410
20411 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
20412
20413         * except.c (output_function_exception_table): Do not reference the
20414         EH personality routine for functions that do not require an
20415         exception table.
20416
20417 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
20418
20419         PR c/30762
20420         * c-typeck.c (convert_for_assignment): Call comptypes for
20421         RECORD_TYPE or UNION_TYPE.
20422
20423         PR inline-asm/30505
20424         * reload1.c (reload): Do invalid ASM checking after
20425         cleanup_subreg_operands.
20426
20427 2007-03-19  Jeff Law  <law@redhat.com>
20428
20429         * tree-cfg.c (find_taken_edge): Tighten conditions for
20430         optimizing computed gotos.
20431
20432 2007-03-19  Michael Matz  <matz@suse.de>
20433
20434         * builtins.c (expand_builtin_sync_operation,
20435         expand_builtin_compare_and_swap,
20436         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
20437         correctly.
20438
20439         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
20440         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
20441         for operand 3.
20442
20443 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20444
20445         * doc/tm.texi: Add brackets around the return type of
20446         TARGET_SECONDARY_RELOAD.
20447
20448 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20449         Richard Guenther  <rguenther@suse.de>
20450
20451         PR tree-optimization/31254
20452         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
20453         Use handled_component_p () where appropriate.  Continue
20454         propagating into the rhs if we propagated into an INDIRECT_REF
20455         on the lhs.
20456
20457 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20458
20459         * config/s390/s390.md (op_type attribute): RRR instruction type added.
20460         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
20461         (xde, xdee): Mode attributes adjusted to support DFP modes.
20462         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
20463         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
20464         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
20465         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
20466         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
20467         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
20468         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
20469         numbers.
20470         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
20471         "movsf"): Insn definitions removed.
20472         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
20473         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
20474         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
20475         definitions added.
20476         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
20477         "reload_in<mode>", "reload_out<mode>"): Expander added.
20478         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
20479         Expander removed.
20480
20481 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20482
20483         * config/s390/s390.md: Only non-functional changes.  Renamed
20484         FPR mode macro to BFP all over the file.
20485
20486 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20487
20488         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
20489         (op_type attribute): RRF instruction type added.
20490         (fT0): New mode attribute.
20491         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
20492         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
20493         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
20494         instruction no secondary memory is needed when moving DFmode values
20495         between GPRs and FPRs.
20496
20497 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20498
20499         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
20500         inverted and documentation adjusted.
20501         ("mhard-dfp", "msoft-dfp"): New options.
20502         * config/s390/s390.c (s390_handle_arch_option): New architecture
20503         switch: z9-ec.
20504         (override_options): Sanity checks for the new options added.
20505         * config.gcc: New architecture switch: z9-ec.
20506         * config/s390/s390.h (processor_flags): PF_DFP added.
20507         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
20508         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
20509         when the bit is NOT set so remove it from the defaults.
20510
20511 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20512
20513         * genemit.c (main): Print include statement for dfp.h.
20514         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
20515         is not available.
20516
20517 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
20518
20519         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
20520
20521 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
20522
20523         PR target/31022
20524         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
20525         instead of PATTERN.
20526
20527 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20528
20529         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
20530         attr_length_call, output_call, output_indirect_call): Cleanup
20531         formatting of targetm calls.
20532
20533 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
20534
20535         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
20536
20537 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20538
20539         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
20540         reservation, bypass and anti-bypass descriptions for these
20541         instructions.  Update move patterns.
20542         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
20543         TYPE_FPSTORE.
20544
20545 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
20546
20547         * tree-vect-transform.c (get_initial_def_for_induction): Replace
20548         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
20549         (get_initial_def_for_reduction): Likewise.
20550
20551 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
20552
20553         Fix PR tree-optimization/29922
20554         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
20555         (get_representative): Removed.
20556         (value_dies_in_block_x): Update for rvuse removal.
20557         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
20558         (compute_antic_aux): Handle when PHI nodes appear in
20559         non-single-successors.
20560         (dump_bitmap_of_names): Removed.
20561         (compute_antic_safe): Renamed and removed rvuse calculation.
20562         Calculate only antic safe.
20563         (insert_into_preds_of_block): Remove assert.
20564         (execute_pre): Update for renamed functions.
20565         (defer_or_phi_translate_block): New function.
20566
20567 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20568
20569         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
20570         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
20571         typos.
20572         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
20573         Follow spelling conventions.
20574
20575         * tree-data-ref.h: Remove the prototype for analyze_array.
20576
20577 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
20578
20579         PR tree-optimization/31041
20580         * tree-vect-transform.c (get_initial_def_for_induction): Call
20581         force_gimple_operand.
20582
20583 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
20584
20585         * ipa-type-escape.c (look_for_casts) : Revert code to use
20586         handled_component_p due to ada test a-numaux.adb.
20587
20588 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20589
20590         * final.c (final_scan_insn): Alter the condition of a
20591         conditional trap if we have nonstandard CC.
20592
20593 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20594
20595         * configure.ac: Remove excess quoting from asm line 0 test.
20596         * configure: Rebuilt.
20597
20598 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20599
20600         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
20601         * c-common.c (convert_and_check): Move warning logic to...
20602         (warnings_for_convert_and_check): ...here. Define.
20603         * c-common.h (warnings_for_convert_and_check): Declare.
20604
20605 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20606
20607         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
20608         (output_call): Likewise.
20609
20610 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20611
20612         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
20613
20614 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20615
20616         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
20617
20618 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
20619
20620         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
20621         opteron, athlon-64 and athlon-fx processor_alias_table entries.
20622
20623 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
20624
20625         PR tree-optimization/31183
20626         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
20627         Use double_int instead of unsigned int for representing access_strides.
20628         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
20629
20630 2007-03-16  Richard Guenther  <rguenther@suse.de>
20631
20632         PR tree-optimization/31146
20633         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
20634         to allow recursion of forward_propagate_addr_expr.
20635         (forward_propagate_addr_into_variable_array_index): Likewise.
20636         (forward_propagate_addr_expr): Likewise.
20637         (tree_ssa_forward_propagate_single_use_vars): Likewise.
20638         (forward_propagate_addr_expr_1): Recurse on simple copies
20639         instead of propagating into them.  Do so for useless conversions
20640         as well.
20641         (forward_propagate_addr_expr): Clean up unused statements after
20642         recursion.
20643
20644 2007-03-16  Richard Guenther  <rguenther@suse.de>
20645
20646         * builtins.c (expand_builtin_cexpi): Use the right argument
20647         for the expansion via cexp.
20648
20649 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20650
20651         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
20652         * configure: Rebuilt.
20653
20654 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20655
20656         PR debug/29906
20657         * dwarf2out.c (force_type_die): Adjust comment.
20658         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
20659
20660 2007-03-15  DJ Delorie  <dj@redhat.com>
20661
20662         * config/frv/predicates.md (minmax_operator): Don't check operands
20663         here.
20664
20665 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20666
20667         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
20668         Update constant estimates of number of iterations.
20669         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
20670         argument renamed to "realistic".
20671         (compute_estimated_nb_iterations): Removed.
20672         (record_niter_bound): New function.
20673         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
20674         call record_nonwrapping_iv with upper = false.
20675         (infer_loop_bounds_from_signedness): Pass upper argument to
20676         record_nonwrapping_iv.
20677         (estimate_numbers_of_iterations_loop): Do not call
20678         compute_estimated_nb_iterations.  Record estimate based on profile
20679         information.  Initialize the constant estimates of number of
20680         iterations.
20681         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
20682         estimates.
20683         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
20684         number of iterations is too small.
20685         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
20686         (EST_NOT_AVAILABLE): Removed.
20687         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
20688         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
20689         fields.
20690
20691 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20692
20693         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
20694         Handle NE_EXPR guards.
20695
20696 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20697
20698         PR c++/24924
20699         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
20700         Set also -pedantic-errors by default for the  preprocessor unless
20701         -fpermissive is given.
20702
20703 2007-03-15  Richard Guenther  <rguenther@suse.de>
20704
20705         PR middle-end/29719
20706         PR middle-end/31161
20707         * builtins.c (expand_builtin_cexpi): As a fallback if we
20708         don't have builtins for sincos or cexp create a function
20709         declaration for cexp and expand to a call to that.
20710         (expand_builtin_int_roundingfn): Always fall
20711         back to floor/ceil and its variants even if they may be
20712         not available.
20713
20714 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
20715
20716         PR middle-end/31159
20717         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
20718         jump tables, move the call to delete_dead_jumptables from here...
20719         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
20720         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
20721         don't allow merging of blocks that try_redirect_by_replacing_jump
20722         also does not handle when not optimizing.
20723
20724 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20725             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
20726
20727         * config/i386/i386.md (x86_sahf_1): Correctly handle
20728         HAVE_AS_IX86_SAHF.
20729
20730 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20731
20732         PR target/31167
20733         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
20734         x86_64_general_operand as operand[2] predicate.  Remove "iF"
20735         from operand constraints and use "e" constraint instead.
20736         (*subti3_1, *subti3_1 splitter): Ditto.
20737         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
20738         operand[1] predicate.
20739
20740 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
20741
20742         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
20743         arrays, multiply the access strides by the size of the sub-array.
20744         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
20745
20746 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20747
20748         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
20749         the configured assembler supports the sahf mnemonic.
20750         * configure: Regenerate.
20751         * config.in: Regenerate.
20752
20753         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
20754         emit "sahf" or ".byte\t0x9e" as asm template.
20755
20756 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
20757
20758         PR 31018
20759         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
20760         option to replace hard coded TARGET_xxx in md file.
20761         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
20762         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20763         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
20764         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
20765         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
20766         (X86_TUNE_NOT_VECTORMODE): Ditto.
20767         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
20768         (TUNE_AVOID_VECTOR_DECODE): Ditto.
20769         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20770         (TUNE_SLOW_IMUL_IMM8): Ditto.
20771         (TUNE_MOVE_M1_VIA_OR): Ditto.
20772         (TUNE_NOT_UNPAIRABLE): Ditto.
20773         (TUNE_NOT_VECTORMODE): Ditto.
20774
20775         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
20776         options.
20777
20778         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
20779         tuning options instead of hard coded TARGET_xxx.
20780         (fix ssemode peephole2's): Ditto.
20781         (imul peephole2's): Ditto.
20782         (movsi_or): Ditto.
20783         (movdi_or_rex64): Ditto.
20784         (move peephole2): Ditto.
20785         (not peephole2's): Ditto.
20786
20787 2007-03-14  Dirk Mueller  <dmueller@suse.de>
20788
20789         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
20790         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
20791         * c-parser.c (c_parser_if_body): Always add an empty statement in case
20792         of empty body.
20793         * c-parser.c (c_parser_do_statement): Warn about empty body in
20794         do/while statement.
20795         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
20796         * doc/invoke.texi (-Wempty-body): Update documentation.
20797
20798 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20799
20800         PR c/21438
20801         * c-common.h (warn_for_div_by_zero): Declare.
20802         * c-common.c (warn_for_div_by_zero): Define.
20803         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
20804         warning.
20805
20806 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20807
20808         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
20809         to PREFIX and STANDARD_PREFIX.
20810
20811 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20812             Phil Edwards  <phil@codesourcery.com>
20813
20814         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
20815         (__gthread_once_t): Remove busy field for RTPs.
20816         (__GTHREAD_ONCE_INIT): Update accordingly.
20817
20818 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20819
20820         * doc/invoke.texi: Document VxWorks options.
20821
20822 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20823
20824         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
20825
20826 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
20827
20828         PR tree-optimization/30590
20829         * tree-nrv.c (tree_nrv): Check for the partial update of the
20830         return value.
20831
20832 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20833
20834         * flags.h (flag_random_seed): Remove declaration, in favor of...
20835         * toplev.h (get_random_seed, set_random_seed): ... these.
20836         * tree.c (get_file_function_name): Use the former.
20837         * opts.c (common_handle_option): Use the latter.
20838         * toplev.c
20839
20840 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
20841
20842         PR middle-end/31127
20843         * cse.c (cse_find_path): Do not bail out if a basic block that
20844         we already visited now becomes part of a path that starts at a
20845         different basic block.  Just disallow this, to make sure we
20846         visit each basic block at most once.
20847
20848 2007-03-13  Jan Hubicka  <jh@suse.cz>
20849
20850         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
20851         attributes, when profile esitmate is present, calls with very low
20852         frequency are cold.
20853
20854 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
20855
20856         PR tree-optimization/30730
20857         PR tree-optimization/26900
20858         * tree-ssa-loop-niter.c: Include gmp.h.
20859         (bounds): New type.
20860         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
20861         split_to_var_and_offset, determine_value_range,
20862         bound_difference_of_offsetted_base, refine_bounds_using_guard,
20863         bound_difference, bounds_add, bounds_negate,
20864         number_of_iterations_ne_max, dump_affine_iv): New functions.
20865         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20866         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
20867         difference of initial and final value of control iv to validate
20868         results.
20869         (number_of_iterations_cond): Add loop parameter.  Determine bounds
20870         on the difference of the extremes of the control iv.  Add dumps.
20871         (expand_simple_operations): Handle phi nodes.
20872         (simplify_using_initial_conditions): Do not record used conditions.
20873         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
20874         Do not set additional_info.
20875         (implies_nonnegative_p, implies_ge_p): Removed.
20876         (derive_constant_upper_bound): Do not use parameter `additional'.
20877         (record_estimate): Parameter `additional' removed.  Parameter
20878         `i_bound' added.  Do not call derive_constant_upper_bound.
20879         (record_nonwrapping_iv): Use derive_constant_upper_bound to
20880         bound the number of iterations estimate.
20881         (estimate_numbers_of_iterations_loop): Pass the estimate from
20882         the number of iterations analysis to record_estimate.
20883         * tree.h (multiple_of_p): Declare.
20884         * tree-scalar-evolution.c (expression_expensive_p): Removed.
20885         (scev_const_prop): Do not check expression_expensive_p.
20886         * fold-const.c (multiple_of_p): Exported.
20887         * double-int.c (double_int_mask): Exported.
20888         * double-int.h (double_int_mask): Declare.
20889         * tree-flow.h (struct tree_niter_desc): Removed additional_info
20890         field.  Added max field.
20891
20892 2007-03-13  David Taylor  <taylor@candd.org>
20893
20894         PR driver/12448:
20895         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
20896         default -MQ.
20897
20898 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20899
20900         PR target/31123
20901         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
20902         two unamed patterns.
20903
20904 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
20905
20906         * config/i386/i386.opt (mcx16, msahf): New options.
20907         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
20908         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
20909
20910         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
20911         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
20912         Output -mcx16 and -msahf options when corresponding bit is set.
20913
20914         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
20915         and -msahf options.
20916
20917 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20918
20919         * configure.ac: Test for assembler tolerance to # 0 "".
20920         * configure, config.in: Rebuilt.
20921         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
20922
20923 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
20924
20925         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
20926
20927         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
20928         (handle_syscall): Handle direct system calls.
20929         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
20930
20931 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20932
20933         * doc/invoke.texi: Fix cpp.info cross-reference.
20934         * doc/passes.texi: Fix gcc.info cross-reference.
20935
20936 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
20937
20938         PR tree-optimization/30835
20939         * lambda-code.c (can_convert_to_perfect_nest): Check whether
20940         bb_for_stmt is not NULL before accessing it.
20941
20942 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
20943
20944         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
20945         some multilibs.
20946
20947 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20948
20949         PR 30635
20950         * doc/install.texi: Document --enable-stage1-languages
20951
20952 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
20953
20954         * tree-pass.h (pass_into_cfg_layout_mode,
20955         pass_outof_cfg_layout_mode): Declare.
20956         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
20957         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
20958         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
20959         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
20960
20961 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
20962
20963         * c-decl.c (warn_variable_length_array): New function.
20964         Refactored from grokdeclarator to handle warn_vla
20965         and handle unnamed array case.
20966         (grokdeclarator): Refactored VLA warning case.
20967         * c.opt (Wvla): New flag.
20968         * doc/invoke.texi (Wvla): New warning.
20969
20970 2007-03-12  Richard Henderson  <rth@redhat.com>
20971
20972         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
20973         (TARGET_SECTION_TYPE_FLAGS): New.
20974
20975 2007-03-12  Richard Henderson  <rth@redhat.com>
20976
20977         * config/darwin.c (machopic_reloc_rw_mask): New.
20978         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
20979         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
20980
20981 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
20982
20983         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
20984         * cppdefault.h (cpp_PREFIX): Document.
20985         (cpp_PREFIX_len): Likewise.
20986         (cpp_EXEC_PREFIX): New variable.
20987         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
20988         * c-incpath.c (add_standard_paths): Correct logic for relocating
20989         paths within prefix.
20990
20991 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
20992
20993         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
20994         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
20995         mode macro.
20996         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
20997         fix_truncdfdi_sse using SSEMODEF mode macro.
20998         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
20999         fix_truncdfsi_sse using SSEMODEF mode macro.
21000         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
21001         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
21002
21003 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
21004
21005         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
21006         elfos.h to tm_file.
21007
21008 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
21009
21010         * tree.h : Add multiple_of_p declaration.
21011         * fold-const.c (multiple_of_p): Make multiple_of_p public.
21012         * ipa-type-escape.c (results_of_malloc): Redundant.
21013         (visited_stmts): New. Visited stmt for walk_use_def_chains.
21014         (cast_type): Extended with new members.
21015         (check_cast): Returns cast_type.
21016         (cast): New structure for data of walk_use_def_chains.
21017         (is_malloc_result, is_cast_from_non_pointer_1,
21018         is_cast_from_non_pointer,
21019         is_array_access_through_pointer_and_index): New functions.
21020         (look_for_casts): Returns cast types.
21021         (check_call): Returns void.
21022         (okay_pointer_operation): Use support of pointer plus index,
21023         pointer plus constant and allow all multiplications.
21024
21025 2007-03-11  Richard Guenther  <rguenther@suse.de>
21026
21027         PR tree-optimization/31115
21028         * tree-vrp.c (extract_range_from_binary_expr): Make sure
21029         the shift count is positive and non-anti-range for RSHIFT_EXPR.
21030         A shift count of zero is not special as with *_DIV_EXPR.
21031         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
21032         direction.
21033
21034 2007-03-11  Ian Lance Taylor  <iant@google.com>
21035
21036         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
21037         the *_DIV_EXPR codes correctly with overflow infinities.
21038
21039 2007-03-11  Ira Rosen  <irar@il.ibm.com>
21040
21041         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
21042         indicate success/failure of the analysis. Add negation to subtrahend
21043         in case of subtraction. Fail if both operands contain constants.
21044         (create_data_ref): Fail if analyze_offset fails.
21045
21046 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
21047
21048         * config/i386/i386.md (frndintxf2): Rename to ...
21049         (rintxf2): ... this. Remove expander having same name.
21050         (rintsf2, rintdf2): Implement using SSEMODEF macro.
21051         (roundsf2, rounddf2): Ditto.
21052         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
21053         (lround<mode>di2, lround<mode>si2): Ditto.
21054
21055 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
21056
21057         * lower-subreg.c: Include except.h.
21058         (decompose_multiword_subregs): Verify that the only control flow
21059         insns we can split are loads to multi-words pseudos.
21060         Handle breaking such blocks after splitting, instead of calling
21061         find_many_sub_basic_blocks.
21062
21063         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
21064         on the new basic block.  Add a lengthy comment explaining why we
21065         thought this was necessary.
21066         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
21067
21068 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
21069
21070         PR c++/30924
21071         * tree.c (walk_type_fields): Recurse into the element type of
21072         ARRAY_TYPEs if there is a pointer set.
21073
21074 2007-03-10  Dirk Mueller  <dmueller@suse.de>
21075
21076         * c-common.c (warn_logical_operator): Fix condition.
21077
21078 2007-03-10  Tobias Schlï¿½ter  <tobi@gcc.gnu.org>
21079
21080         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
21081         quotation mark.
21082         * config/darwin.c (machopic_select_section): Remove superfluous
21083         argument in call to categorize_decl_for_section.  Remove unused
21084         variable shlib.
21085
21086 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
21087
21088         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
21089         defined.
21090         * configure: Regenerate.
21091
21092 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
21093
21094         PR target/31101
21095         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
21096         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
21097         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
21098         Add LABEL_NUSES to emitted label.
21099         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
21100         branch probability value to emitted jump insn.
21101         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
21102         Do not check life information and do not re-arrange input operands
21103         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
21104
21105 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
21106
21107         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
21108         the change of decode_asm_operands.
21109
21110 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
21111
21112         * mode-switching.c (create_pre_exit): Skip blockage insn.
21113
21114 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
21115
21116         * tree-pass.h (TODO_update_smt_usage): Remove.
21117         Update all users.
21118         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
21119         argument SOME.
21120         Update all users.
21121
21122 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21123
21124         * pa.c (attr_length_call): Revise condition for long
21125         pc-relative branch.
21126         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
21127         local calls on the SOM target.  Don't use "LONG_PIC_PCREL" call
21128         sequence on SOM target.
21129
21130 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
21131
21132         * gcc.c: Document %{, in big comment at top.
21133         (input_suffix_matches): Remove special handling for .s and
21134         .S.
21135         (input_spec_matches): New.
21136         (handle_braces): Handle %{,.
21137         (validate_switches): ',' indicates a value which is not a switch.
21138         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
21139         to detect assembler input.
21140         * config/i386/sol2.h (CPP_SPEC): Likewise.
21141         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
21142         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
21143         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
21144         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
21145         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
21146         -m64 causes deployment target to default to 10.5.
21147         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
21148
21149 2007-03-09  Richard Henderson  <rth@redhat.com>
21150
21151         PR target/26090
21152         * target.h (targetm.asm.out.reloc_rw_mask): New.
21153         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
21154         (TARGET_ASM_OUT): Use it.
21155         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
21156         * varasm.c (categorize_decl_for_section): Remove shlib argument;
21157         use the new reloc_rw_mask target hook instead.
21158         (default_section_type_flags_1): Merge into...
21159         (default_section_type_flags): ... here.
21160         (decl_readonly_section_1): Merge into...
21161         (decl_readonly_section): ... here.
21162         (default_elf_select_section_1): Merge into...
21163         (default_elf_select_section): ... here.
21164         (default_unique_section_1): Merge into...
21165         (default_unique_section): ... here.
21166         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
21167         (default_select_rtx_section): Use it.
21168         (default_elf_select_rtx_section): Likewise.
21169         * output.h: Update to match.
21170         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
21171         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
21172         (TARGET_ASM_RELOC_RW_MASK): New.
21173         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
21174         to categorize_decl_for_section.
21175         (x86_64_elf_unique_section): Likewise.
21176         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
21177         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
21178         (TARGET_ASM_RELOC_RW_MASK): New.
21179         * config/ia64/ia64.c (ia64_rwreloc_select_section,
21180         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
21181         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
21182         (TARGET_RWRELOC): Remove.
21183         (ia64_section_type_flags): Adjust call to default_section_type_flags.
21184         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
21185         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
21186         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
21187         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
21188         (rs6000_xcoff_select_section): Use decl_readonly_section.
21189         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
21190         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
21191         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
21192         (TARGET_SECTION_TYPE_FLAGS): Remove.
21193         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
21194
21195 2007-03-09  Roger Sayle  <roger@eyesopen.com>
21196
21197         * fold-const.c (fold_comparison): Remove compile-time evaluation of
21198         complex constant equality/inequality comparisons for here.
21199         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
21200         known at compile-time or can be simplified to a scalar comparison.
21201         (fold_relational_const): Move compile-time evaluation of complex
21202         constant equality/inequality comparisons to here.
21203
21204 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21205
21206         PR rtl-optimization/30643
21207         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
21208         dest_addr_elt.
21209         (fold_rtx): Recurse, like before 2006-11-03.
21210
21211 2007-03-09  DJ Delorie  <dj@redhat.com>
21212
21213         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
21214         m32c-pragma.o.
21215
21216 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
21217
21218         PR tree-optimization/30375
21219         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
21220         LHS of statements is not the same.
21221         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
21222
21223 2007-03-09  Chao-ying Fu  <fu@mips.com>
21224
21225         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
21226         REV 2.
21227         * doc/invoke.texi (-mdspr2): Document new option.
21228         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
21229         New unspec for DSP REV 2.
21230         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
21231         these instructions are extended in DSP REV 2.
21232         (mips-dspr2.md): Include.
21233         * config/mips/mips.opt (mdspr2): New option.
21234         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
21235         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
21236         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
21237         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
21238         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
21239         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
21240         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
21241         and 2 builtins.
21242         (bdesc_map): Add one field of unsupported_target_flags.
21243         (bdesc_arrays): Update entries to have extra fields.  Add
21244         dsp_32only_bdesc.
21245         (mips_init_builtins): Initialize new function types.
21246         Check unsupported_target_fileds to filter out builtins.
21247         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
21248         TARGET_DSPR2.
21249         (ASM_SPEC): Pass mdspr2 to the assembler.
21250         * config/mips/mips-dspr2.md: New file.
21251
21252 2007-03-09  Sa Liu  <saliu@de.ibm.com>
21253
21254         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
21255
21256 2007-03-09  Ian Lance Taylor  <iant@google.com>
21257
21258         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
21259         argument) like -Wstrict-overflow=2.
21260         * doc/invoke.texi (Warning Options): Update documentation.
21261
21262 2007-03-09  Dirk Mueller  <dmueller@suse.de>
21263
21264         PR c++/17946
21265         * doc/invoke.texi (-Wlogical-op): Document.
21266         * common.opt (-Wlogical-op): New.
21267         * c-common.h (warn_logical_operator): Declare.
21268         * c-common.c (warn_logical_operator): Define.
21269         * c-typeck.c (parser_build_binary_op): Call
21270         warn_logical_operator.
21271
21272 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21273
21274         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
21275         * final.c (final_scan_insn): Test for non-"" file name.
21276
21277 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
21278
21279         * doc/loop.texi: Document the Omega linear constraints solver.
21280         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
21281         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
21282         omega-hash-table-size, omega-max-keys, and
21283         omega-eliminate-redundant-constraints.
21284         * tree-pass.h (pass_check_data_deps): Declared.
21285         * omega.c: New.
21286         * omega.h: New.
21287         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
21288         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
21289         pass_check_data_deps): New.
21290         * tree-data-ref.c (init_data_ref): Remove declaration.
21291         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
21292         (analyze_array): Renamed init_array_ref, move up initializations.
21293         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
21294         Removed arguments that are set to NULL.
21295         (analyze_indirect_ref): Correct indentation, correct call to
21296         init_pointer_ref.
21297         (object_analysis): Call init_array_ref instead of analyze_array.
21298         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
21299         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
21300         of DR_ACCESS_FNS_ADDR.
21301         (init_omega_eq_with_af, omega_extract_distance_vectors,
21302         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
21303         ddr_consistent_p): New.
21304         (compute_affine_dependence): Check consistency of ddrs when
21305         flag_check_data_deps is passed.
21306         (analyze_all_data_dependences): Uncomment.
21307         (tree_check_data_deps): New.
21308         * tree-data-ref.h: Include omega.h.
21309         (DR_ACCESS_FNS_ADDR): Removed.
21310         (data_dependence_relation): Add inner_loop.
21311         (DDR_INNER_LOOP): New.
21312         * common.opt (fcheck-data-deps): New.
21313         * tree-flow.h (tree_check_data_deps): Declare.
21314         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
21315         (OBJS-common): Depend on omega.o.
21316         (omega.o): Define.
21317         * passes.c (pass_check_data_deps): Scheduled.
21318         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
21319         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
21320         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
21321         PARAM_VECT_MAX_VERSION_CHECKS,
21322         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
21323
21324 2007-03-09  Richard Guenther  <rguenther@suse.de>
21325
21326         PR tree-optimization/30904
21327         PR middle-end/31058
21328         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
21329         the same way as *_DIV_EXPR.
21330
21331 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21332
21333         * recog.c (decode_asm_operands): No mixed declarations and code.
21334
21335 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21336
21337         * rtl.def (ASM_INPUT): Add location.
21338         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
21339         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
21340         (decode_asm_operands): Add loc operand.
21341         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
21342         * stmt.c (expand_asm): Rename to...
21343         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
21344         gen_rtx_ASM_INPUT_loc.
21345         (expand_asm_expr): Adjust.
21346         * recog.c (decode_asm_operands): Add loc operand.
21347         (check_asm_operands, extract_insn): Adjust.
21348         * reload1.c (maybe_fix_stack_asms): Likewise.
21349         * final.c (asm_insn_count): Likewise.
21350         (final_scan_insn): Output # line before and after asm.
21351
21352 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
21353
21354         * tree-ssa-structalias.c (variable_info): Remove
21355         finished_solution.
21356         (new_var_info): Ditto.
21357         (shared_bitmap_info_t): New structure.
21358         (shared_bitmap_table): New variable.
21359         (shared_bitmap_hash): New function.
21360         (shared_bitmap_eq): Ditto
21361         (shared_bitmap_lookup): Ditto.
21362         (shared_bitmap_add): Ditto.
21363         (merge_smts_into): Change to take bitmap directly.
21364         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
21365         (init_alias_vars): Init shared bitmap hashtable.
21366         (delete_points_to_sets): Delete shared bitmap hashtable.
21367         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
21368         is_aliased removal as a change that was still necessary was
21369         deleted.
21370
21371 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
21372
21373         * config/i386/i386.h (override_options): Conditionally disable
21374         x86_sahf for 64bit targets only.
21375
21376 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21377
21378         PR C/31072
21379         * c-decl.c (merge_decls): Don't call make_var_volatile.
21380         * varasm.c (make_var_volatile): Remove.
21381         * output.h (make_var_volatile): Remove.
21382
21383 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
21384
21385         PR tree-optimization/31085
21386         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
21387
21388 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21389
21390         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
21391         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
21392         ATTR_CONST_NOTHROW_LIST.
21393
21394         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
21395         FIX_TRUNC_EXPR.
21396
21397 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
21398
21399         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
21400
21401 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
21402
21403         PR 31013
21404         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
21405         is declared.
21406         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
21407         passed, use shared libgcc.
21408
21409 2007-03-08  Roger Sayle  <roger@eyesopen.com>
21410
21411         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
21412         instead of calling build2 with a GIMPLE_MODIFY_STMT.
21413         (honor_protect_cleanup_actions, lower_try_finally_switch):
21414         Likewise.
21415         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
21416         ifc_temp_var): Likewise.
21417         * tree-inline.c (setup_one_parameter): Likewise.
21418         * tree-mudflap.c (mf_decl_cache_locals,
21419         mf_build_check_statement_for): Likewise.
21420         * tree-nested.c (init_tmp_var, save_tmp_var,
21421         finalize_nesting_tree_1): Likewise.
21422         * tree-outof-ssa.c (insert_copy_on_edge,
21423         insert_backedge_copies): Likewise.
21424         * tree-profile.c (tree_gen_edge_profiler,
21425         tree_gen_ic_profiler): Likewise.
21426         * tree-scalar-evolution.c (scev_const_prop): Likewise.
21427         * tree-sra.c (sra_build_assignment): Likewise.
21428         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
21429         * tree-ssa-math-opts.c (insert_reciprocals,
21430         execute_cse_sincos_1): Likewise.
21431         * tree-tailcall.c (adjust_accumulator_values,
21432         adjust_return_value): Likewise.
21433         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
21434         * tree-vect-transform.c (vect_create_data_ref_ptr,
21435         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
21436         vect_create_epilog_for_reduction, vectorizable_reduction,
21437         vectorizable_call, vectorizable_conversion,
21438         vectorizable_assignment, vectorizable_operation,
21439         vectorizable_type_demotion, vect_gen_widened_results_half,
21440         vect_permute_store_chain, vectorizable_store,
21441         vect_setup_realignment, vect_permute_load_chain,
21442         vectorizable_load, vectorizable_condition,
21443         vect_create_cond_for_align_checks): Likewise.
21444         * tree-vrp.c (build_assert_expr_for): Likewise.
21445
21446 2007-03-08  Ian Lance Taylor  <iant@google.com>
21447
21448         * tree-vrp.c: Include "intl.h".
21449         (usable_range_p): New static function.
21450         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
21451         overflowed values, juts set *strict_overflow_p.
21452         (compare_values): Only return -2 if one of the operands is not a
21453         constant.
21454         (compare_ranges): Call usable_range_p.
21455         (compare_range_with_value): Likewise.
21456         (vrp_evaluate_conditional_warnv): Rename from
21457         vrp_evaluate_conditional.  Make static.  Change all callers.
21458         (vrp_evaluate_conditional): New function.
21459         (simplify_div_or_mod_using_ranges): Issue warning about reliance
21460         on signed overflow.
21461         (simplify_abs_using_ranges): Likewise.
21462         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
21463         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
21464         within_stmt parameter.
21465         * tree-ssa-propagate.c (fold_predicate_in): Update call to
21466         vrp_evaluate_conditional.
21467         * tree-ssa-threadedge.c
21468         (record_temporary_equivalences_from_stmts_at_dest): Change
21469         simplify parameter to take a second tree parameter.
21470         (simplify_control_stmt_condition): Likewise.
21471         (thread_across_edge): Likewise.
21472         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21473         (thread_across_edge): Likewise.
21474         * Makefile.in (tree-vrp.o): Depend upon intl.h.
21475
21476 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
21477
21478         * config/i386/i386.h (TARGET_SAHF): New define.
21479         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
21480         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
21481         (x86_sahf): New global variable.
21482         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
21483         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
21484         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
21485         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
21486         for 64-bit.
21487         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
21488         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
21489         when expanding fcomi/sahf based tests.
21490         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
21491         expanding sahf based alternative. Emit sahf based sequence when
21492         optimizing for code size.
21493         * config/i386/i386.md (x86_sahf_1): Do not disable for
21494         TARGET_64BIT, enable for TARGET_SAHF.
21495
21496 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
21497
21498         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
21499         spurious whitespace from error message.
21500
21501 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
21502
21503         PR c++/30852
21504         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
21505
21506 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
21507
21508         * c-decl.c (grokdeclarator): Disable warnings for anonymous
21509         bitfields.
21510         * tree-sra.c (instantiate_element): Propagate disabled warnings
21511         from the element itself to the created variable.
21512
21513 2007-03-07  Richard Henderson  <rth@redhat.com>
21514
21515         PR target/30848
21516         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
21517         silently fix up the stack in the case of a missing register.
21518
21519 2007-03-07  Paul Brook  <paul@codesourcery.com>
21520
21521         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
21522
21523 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
21524
21525         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
21526         New.
21527         (phase1_vrs): Use them.
21528         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
21529         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
21530         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
21531         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
21532         __gnu_Unwind_Restore_WMMXC if required.
21533         (_Unwind_VRS_Pop): Implement iWMMXt support.
21534         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
21535         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
21536         gnu_Unwind_Save_WMMXC): Define.
21537
21538 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21539
21540         * config/vxworks.h (vxworks_override_options): Declare.
21541         (VXWORKS_OVERRIDE_OPTIONS): Use it.
21542         * config/vxworks.c: Include target.h and toplev.h.
21543         (vxworks_override_options): New function.
21544         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
21545
21546 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
21547
21548         * config/s390/s390.c (override_options): Don't emit an error when
21549         -mstack-size is used without providing -mstack-guard.
21550         (s390_emit_prologue): Choose stack_guard value automatically if not
21551         provided via command line.
21552         * doc/invoke.texi: Adjust description of -mstack-guard and
21553         -mstack-size.
21554
21555 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21556
21557         * config/i386/i386.c (output_set_got): Add a GOT initialization
21558         sequence for VxWorks PIC.
21559         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
21560         around labels as well as symbols.  Use gotoff_operand instead
21561         of local_symbolic_operand.
21562         (legitimize_pic_address): Use gotoff_operand instead of
21563         local_symbolic_operand.  Use @GOT accesses for labels as
21564         well as symbols.
21565         (ix86_output_addr_diff_elt): Use PC-relative rather than
21566         GP-relative offsets for VxWorks PIC.
21567         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
21568         no_new_pseudos.  Check whether the returned register is op0.
21569         * config/i386/i386.md (tablejump): Use PC-relative rather than
21570         GP-relative offsets for VxWorks PIC.
21571         * config/i386/predicates.md (gotoff_operand): New predicate.
21572
21573 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21574
21575         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
21576         before defining.
21577         * config/vxworks-dummy.h: New file.
21578         * config/i386/i386.h: Include it.
21579
21580 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
21581
21582         * dwarf2out.c (is_inlined_entry_point): New
21583         (add_high_low_attributes): Emit DW_AT_entry_pc along with
21584         DW_AT_ranges if the first subblock is the entry point.
21585
21586 2007-03-06  David Daney  <ddaney@avtrex.com>
21587
21588         * doc/install.texi (mips-*-*): Change recommended binutils
21589         version.
21590
21591 2007-03-06  Anatoly Sokolov <aesok@post.ru>
21592
21593         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
21594         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
21595         devices.
21596         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
21597         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
21598
21599 2007-03-06  Jan Hubicka  <jh@suse.cz>
21600
21601         * errors.h (warning, error, fatal, internal_error): Mark as cold.
21602         * predict.c (maybe_hot_bb): Cold functions are never hot; hot
21603         functions are hot.
21604         (probably_cold_bb_p): Cold functions are cold.
21605         (probably_never_executed_bb_p): Cold functions are cold.
21606         (tree_bb_level_predictions): Predict calls to cold functions as not
21607         taken.
21608         (compute_function_frequency): Check hot/cold attributes.
21609         * function.h (function_frequency): Update comments.
21610         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
21611         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
21612         (c_common_att): Add cold and hot.
21613
21614         * doc/extend.texi (hot,cold attributes): Document.
21615
21616 2007-03-06  Andrew Haley  <aph@redhat.com>
21617
21618         * function.c (expand_function_end): Move blockage to just after we
21619         emit the label for the naked return from the function.
21620
21621 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21622
21623         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
21624         before redefining.
21625
21626 2007-03-06  Jan Hubicka  <jh@suse.cz>
21627
21628         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
21629         loaded for constant large models.  Non-large 64bit PIC can do.
21630         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
21631         * cmodel.h: Add LARGE PIC.
21632         * i386.md (UNSPEC_PLTOFF): New.
21633         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
21634         unspecs as needed.
21635         (*call_1_rex64): Disable for large models.
21636         (*call_1_rex64_large): New.
21637         (*call_value_1_rex64): Disable for large models.
21638         (*call_value_1_rex64_large): New.
21639         (set_rip_rex4): New.
21640         (set_got_offset_rex64): New.
21641         * predicates.md (constant_call_address_operand): For large model
21642         constant calls are not possible.
21643         * i386-protos.h (construct_plt_address): Declare.
21644         * i386.c (override_options): Accept large models.
21645         (ix86_expand_prologue): Expand large PIC GOT pointer load.
21646         (legitimate_constant_p): Add new UNSPECs.
21647         (legitimate_pic_operand_p): Likewise.
21648         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
21649         (legitimize_pic_address): Do easy RIP relative way for TLS only for
21650         non-large model.
21651         (output_pic_addr_const): Add PLTOFF.
21652         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
21653         (ix86_expand_move): Legitimize pic address when in PIC mode.
21654         (construct_plt_address): New function.
21655         (ix86_expand_call): Offload the address to register and use GOT
21656         pointer for large model.
21657         * invoke.texi (mcmodel=large): Update documentation.
21658
21659 2007-03-06  Richard Henderson  <rth@redhat.com>
21660
21661         * config/i386/i386.c (x86_use_leave, x86_push_memory,
21662         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
21663         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
21664         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
21665         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
21666         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
21667         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
21668         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
21669         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
21670         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21671         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21672         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
21673         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21674         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21675         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
21676         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
21677         x86_schedule, x86_use_bt, x86_pad_returns,
21678         x86_use_xchgb): Merge into ...
21679         (ix86_tune_features): ... here.  New array.
21680         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21681         x86_bswap): Merge into ...
21682         (ix86_arch_features): ... here.  New array.
21683         (x86_3dnow_a): Remove.
21684         (x86_accumulate_outgoing_args): Make static.
21685         (x86_arch_always_fancy_math_387): Make static.
21686         (ix86_tune_mask, ix86_arch_mask): Move ...
21687         (override_options): ... to local variables here.  Apply the
21688         appropriate mask to each element of ix86_arch_features and
21689         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
21690         as were done in the old macros.
21691         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
21692         * config/i386/i386.h (x86_use_leave, x86_push_memory,
21693         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
21694         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
21695         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
21696         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
21697         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
21698         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
21699         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
21700         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
21701         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
21702         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21703         x86_accumulate_outgoing_args, x86_prologue_using_move,
21704         x86_epilogue_using_move, x86_decompose_lea,
21705         x86_arch_always_fancy_math_387, x86_shift1,
21706         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21707         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21708         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
21709         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21710         x86_use_incdec, x86_pad_returns, x86_bswap,
21711         x86_partial_flag_reg_stall): Remove.
21712         (enum ix86_tune_indices): New.
21713         (ix86_tune_features): New.
21714         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
21715         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
21716         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
21717         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
21718         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
21719         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
21720         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
21721         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
21722         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
21723         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
21724         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
21725         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
21726         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
21727         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
21728         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
21729         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
21730         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
21731         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
21732         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
21733         TARGET_EXT_80387_CONSTANTS): Use it.
21734         (enum ix86_arch_indices): New.
21735         (ix86_arch_features): New.
21736         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
21737         TARGET_BSWAP): Use it.
21738         (ix86_tune_mask, ix86_arch_mask): Remove.
21739
21740 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
21741
21742         PR bootstrap/31020
21743         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
21744         Define using $${sysroot_headers_suffix}.
21745         * configure: Regenerate.
21746         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
21747         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
21748         defined.
21749         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
21750         * gcc.c (print_sysroot_headers_suffix): New.
21751         (option_map): Include --print-sysroot-headers-suffix.
21752         (display_help): Mention -print-sysroot-headers-suffix.
21753         (process_command): Handle -print-sysroot-headers-suffix.
21754         (do_spec_1): Append multilib directory to include-fixed path if
21755         sysroot suffixes in use.
21756         (main): Handle -print-sysroot-headers-suffix.
21757         * Makefile.in (start.encap): Don't depend on xlimits.h
21758         (xlimits.h): Remove.
21759         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
21760         limits.h for each multilib in fixinc_list.
21761         (fixinc_list, s-fixinc_list): New.
21762         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
21763         generate them for each multilib in fixinc_list.
21764         (stmp-fixproto): Use include-fixed.  Run fixproto for each
21765         multilib in fixinc_list.
21766         (mostlyclean): Don't remove xlimits.h.
21767         (clean): Remove include-fixed.
21768         (real-install-headers-tar, real-install-headers-cpio,
21769         real-install-headers-cp): Don't copy include, only include-fixed.
21770         (install-mkheaders): Depend on fixinc_list.  Don't depend on
21771         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
21772         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
21773         SYSTEM_HEADER_DIR setting in mkheaders.conf.
21774
21775 2007-03-06  Jan Hubicka  <jh@suse.cz>
21776
21777         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
21778         NANs easilly.
21779
21780 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21781
21782         * configure.ac: Allow tm_file to contain build-directory files.
21783         * configure: Regenerate.
21784         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
21785         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
21786         * config/m68k/print-sysroot-suffix.sh: New file.
21787
21788 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21789
21790         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
21791         of pic_offset_table_rtx if reload_completed.
21792         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
21793         PIC_OFFSET_TABLE_REGNUM.
21794         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
21795         return true.
21796         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
21797         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
21798
21799 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21800
21801         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21802         functions that call eh_return.
21803
21804 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21805
21806         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21807         functions that need a constant pool.
21808
21809 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21810
21811         PR target/28181
21812         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
21813         (m68k_preferred_reload_class): Likewise.
21814         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
21815         (SECONDARY_RELOAD_CLASS): Define.
21816         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
21817         (LIMIT_RELOAD_CLASS): Delete.
21818         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
21819         registers from storing bytes.
21820         (m68k_secondary_reload_class): New function.
21821         (m68k_preferred_reload_class): Likewise.
21822
21823 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21824
21825         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
21826         leaf functions.
21827         (m68k_expand_prologue): Likewise.
21828
21829 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21830
21831         * config/m68k/m68k-protos.h (output_sibcall): Declare.
21832         (mips_expand_epilogue): Add a bool parameter.
21833         (m68k_legitimize_sibcall_address): Declare.
21834         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
21835         (m68k_expand_epilogue): Add a parameter to select between sibling
21836         and normal epilogues.  Only generate a return for the latter.
21837         (m68k_ok_for_sibcall_p): New function.
21838         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
21839         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
21840         (sibcall_value, *sibcall_value): Likewise.
21841         (*call, *call_value): Require !SIBLING_CALL_P.
21842         (epilogue): Update call to m68k_expand_epilogue.
21843         (sibcall_epilogue): New pattern.
21844         * config/m68k/predicates.md (const_call_operand): Say that this
21845         predicate applies to sibling calls too.
21846         (sibcall_operand): New predicate.
21847
21848 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21849
21850         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
21851         alternatives as movsi_cf.
21852         (movsf_cf_hard): Add commentary.
21853
21854 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
21855             Richard Sandiford  <richard@codesourcery.com>
21856
21857         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
21858         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
21859         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
21860         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
21861         as being live on exit from an interrupt function.
21862         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
21863         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
21864         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
21865         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
21866         (m68k_interrupt_function_p): Globalize.
21867         (m68k_compute_frame_layout): Remove reverse mask code.
21868         (m68k_emit_movem, m68k_set_frame_related): New functions.
21869         (m68k_output_function_prologue): Delete in favor of...
21870         (m68k_expand_prologue): ...this new function.
21871         (m68k_output_function_epilogue): Delete in favor of...
21872         (m68k_expand_epilogue): ...this new function.
21873         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
21874         functions.
21875         (print_operand): Handle %?.
21876         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
21877         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
21878         (prologue, epilogue): New patterns.
21879         (return): Turn into a define_expand.
21880         (*return): New pattern, derived from old "return" pattern.  Use rte
21881         rather than rts for interrupt functions.  Only use rtd if the pop
21882         count is nonzero.
21883         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
21884         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
21885         (link, *link, unlink, *unlink, load_got): Likewise.
21886
21887 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21888
21889         PR target/23482
21890         PR target/17114
21891         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
21892         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
21893         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
21894         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
21895         and m68k_matches_u_p.
21896         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
21897         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
21898         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
21899         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
21900         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
21901         (REG_STRICT_P): New macro.
21902         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
21903         PCREL_GENERAL_OPERAND_OK.
21904         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
21905         m68k_legitimate_base_reg_p.
21906         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
21907         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
21908         (PIC_CASE_VECTOR_ADDRESS): Update comment.
21909         * config/m68k/m68k.c (m68k_address): New structure.
21910         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
21911         (m68k_decompose_index, m68k_legitimate_constant_address_p)
21912         (m68k_jump_table_ref_p, m68k_decompose_address)
21913         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
21914         (m68k_matches_u_p): New functions.
21915         (print_operand_address): Rewrite to use m68k_decompose_index.
21916
21917 2007-03-05  David Taylor  <dtaylor@emc.com>
21918
21919         * gcc.c: Correct copyright date in --version output.
21920
21921 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21922
21923         * pa.md: In unamed move patterns, disparge copies between general
21924         and floating point registers using '?' modifier.  Don't include 'f'
21925         constraint for register preferences in DImode, SImode, HImode and
21926         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
21927         Remove constraints for copies between general and floating registers
21928         in soft-float DFmode pattern.
21929         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
21930         floating register.
21931         (movsf): Likewise.
21932
21933 2007-03-05  Mike Stump  <mrs@apple.com>
21934
21935         * c-common.c (targetcm): Add.
21936         * c-opts.c (c_common_handle_option): Handle language specific
21937         target options.
21938         * opts.c (handle_option): Verify language for target options, if
21939         any are given.
21940         * opth-gen.awk: Add CL_LANG_ALL.
21941         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
21942         (TARGETCM_INITIALIZER): Add.
21943         * target.h (struct gcc_targetcm): Add.
21944         (targetcm): Add.
21945         * targhooks.c (default_handle_c_option): Add.
21946         * targhooks.h (default_handle_c_option): Add.
21947         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
21948
21949         * config/darwin.opt (iframework): Add.
21950         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
21951         * config/darwin-c.c (handle_c_option): Add.
21952         (TARGET_HANDLE_C_OPTION): Add.
21953         (targetcm): Add.
21954         * doc/invoke.texi (Darwin Options): Add -iframework.
21955
21956 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21957
21958         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
21959         conversion.
21960
21961 2007-03-05  Ian Lance Taylor  <iant@google.com>
21962
21963         * c.opt (fgnu89-inline): New option.
21964         * c-opts.c (c_common_post_options): Set default value for
21965         flag_gnu89_inline.
21966         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
21967         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
21968         inline functions.
21969         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
21970         (grokdeclarator, start_function): Likewise.
21971         * c-cppbuiltin.c (c_cpp_builtins): Define either
21972         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
21973         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
21974         (C Dialect Options): Document -fgnu89-inline.
21975         * doc/extend.texi (Function Attributes): Explain what the
21976         gnu_inline attribute does.
21977         * doc/cpp.texi (Common Predefined Macros): Document
21978         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
21979
21980 2007-03-05  Ian Lance Taylor  <iant@google.com>
21981
21982         PR tree-optimization/31034
21983         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
21984         half-range if the other side is an overflow infinity.
21985
21986 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
21987
21988         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
21989         (bfin*-linux-uclibc*): New configuration.
21990         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
21991         defining.
21992         * config/bfin/linux.h: New file.
21993         * config/bfin/libgcc-bfin.ver: New file.
21994         * config/bfin/t-bfin-uclinux: New file.
21995         * config/bfin/t-bfin-linux: New file.
21996         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
21997         (TARGET_OS_CPP_BUILTINS): New macro.
21998
21999 2007-03-05  Richard Guenther  <rguenther@suse.de>
22000
22001         * fold-const.c (fold_binary): Remove duplicate folding
22002         of comparison of non-null ADDR_EXPR against null.
22003
22004 2007-03-05  Richard Guenther  <rguenther@suse.de>
22005             Dorit Nuzman  <dorit@il.ibm.com>
22006
22007         PR tree-optimization/26420
22008         * tree-vectorizer.c (vectorize_loops): Bail out early if there
22009         are no loops in the function.  Only print the number of
22010         vectorized loops if it is greater than zero or we are supposed
22011         to print information about unvectorized loops.
22012
22013 2007-03-05  Revital Eres  <eres@il.ibm.com>
22014
22015         * gcc.dg/var-expand1.c: New test.
22016         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
22017         when an accumulator is expanded.
22018
22019 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22020
22021         PR other/30465
22022         * c-common.c (convert_and_check): Don't give warnings for
22023         conversion if 'expr' already overflowed.
22024
22025 2007-03-04  Roger Sayle  <roger@eyesopen.com>
22026
22027         PR middle-end/30744
22028         * fold-const.c (fold_comparison): Enforce type consistency when
22029         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
22030
22031 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
22032
22033         * tree-ssa-address.c (create_mem_ref): Do not put an expression
22034         containing a cast to the base of TARGET_MEM_REF.
22035
22036 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
22037
22038         * tree.c (tree_contains_struct_check_failed): Remove spurious
22039         whitespace from error message.
22040
22041 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
22042
22043         PR target/30406
22044         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
22045         instead of precision.
22046
22047 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
22048             Nathan Sidwell  <nathan@codesourcery.com>
22049
22050         * emit-rtl.c (find_auto_inc): New.
22051         (try_split): recreate REG_INC notes,
22052         Use regular for loops rather than whiles.
22053
22054 2007-03-03  Andreas Schwab  <schwab@suse.de>
22055
22056         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
22057         * configure: Regenerate.
22058
22059 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22060
22061         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
22062         flag_rounding_math, not flag_unsafe_math_optimizations.
22063
22064         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
22065         fold_build2.
22066         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
22067         alpha_fold_vector_minmax): Likewise.
22068         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
22069         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
22070
22071 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
22072
22073         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
22074         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
22075         if the lhs has side-effects.
22076         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
22077
22078 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
22079
22080         * config/i386/i386.h (TUNEMASK): Remove define.
22081         (ARCHMASK): Remove define.
22082         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
22083          Use ix86_arch_mask variable instead of ARCHMASK.
22084         * config/i386/i386.c (override_options): Ditto.
22085         (standard_80387_constant_p): Ditto.
22086
22087 2007-03-02  Ian Lance Taylor  <iant@google.com>
22088
22089         Used signed infinities in VRP.
22090         * tree-vrp.c (uses_overflow_infinity): New static function.
22091         (supports_overflow_infinity): New static function.
22092         (make_overflow_infinity): New static function.
22093         (negative_overflow_infinity): New static function.
22094         (positive_overflow_infinity): New static function.
22095         (is_negative_overflow_infinity): New static function.
22096         (is_positive_overflow_infinity): New static function.
22097         (is_overflow_infinity): New static function.
22098         (overflow_infinity_range_p): New static function.
22099         (compare_values_warnv): New function split out of compare_values.
22100         (compare_value): Call it.
22101         (set_value_range_to_nonnegative): Add overflow_infinity
22102         parameter.  Change caller.
22103         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
22104         Change callers.
22105         (vrp_expr_computes_nonzero): Likewise.
22106         (compare_ranges, compare_range_with_value): Likewise.
22107         (compare_name_with_value, compare_names): Likewise.
22108         (vrp_evaluate_conditional): Likewise.
22109         (set_value_range): Handle infinity
22110         (vrp_operand_equal_p, operand_less_p): Likewise.
22111         (extract_range_from_assert): Likewise.
22112         (vrp_int_const_binop): Likewise.
22113         (extract_range_from_binary_expr): Likewise.
22114         (extract_range_from_unary_expr): Likewise.
22115         (extract_range_from_comparison): Likewise.
22116         (extract_range_from_expr): Likewise.
22117         (dump_value_range): Likewise.
22118         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
22119         (test_for_singularity): Likewise.
22120         (vrp_int_const_binop): Remove inline qualifier.
22121         (adjust_range_with_scev): Add comment.
22122         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
22123
22124 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
22125
22126         * tree-ssa-structalias.c (could_have_pointers): Tidy.
22127         (get_constraint_for): Likewise.
22128         (do_structure_copy): Likewise.
22129         (find_func_aliases): Fix references to MODIFY_EXPR.
22130         (intra_create_variable_infos): Tidy.
22131         * tree-ssa-operands.c (add_virtual_operand): Add argument
22132         IS_CALL_SITE.
22133         When adding members of alias sets, if IS_CALL_SITE is true and
22134         the symbol is not call-clobbered, skip it.
22135         Adjust all callers.
22136
22137 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
22138
22139         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
22140         entry by means of emit_insn_at_entry.
22141
22142 2007-03-02  Richard Henderson  <rth@redhat.com>
22143
22144         * expr.h (promoted_input_arg): Remove decl.
22145         * function.c (promoted_input_arg): Merge into ...
22146         * combine.c (setup_incoming_promotions): ... only caller.
22147         Rearrange to avoid double loop.
22148
22149 2007-03-02  Ben Elliston  <bje@au.ibm.com>
22150             Peter Bergner  <bergner@vnet.ibm.com>
22151             Janis Johnson  <janis187@us.ibm.com>
22152
22153         * config/rs6000/dfp.md: New file.
22154         * config/rs6000/rs6000.md: Include dfp.md.
22155         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
22156         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
22157         and TDmode decimal float modes in FP registers.
22158         (num_insns_constant): Likewise.
22159         (rs6000_legitimate_offset_address_p): Likewise.
22160         (rs6000_legitimize_address): Likewise.
22161         (rs6000_legitimize_reload_address): Likewise.
22162         (rs6000_legitimate_address): Likewise.
22163         (rs6000_emit_move): Likewise.
22164         (function_arg_boundary): Likewise.
22165         (function_arg_advance): Likewise.
22166         (rs6000_darwin64_record_arg_recurse): Likewise.
22167         (function_arg): Likewise.
22168         (rs6000_gimplify_va_arg): Likewise.
22169         (rs6000_split_multireg_move): Likewise.
22170         (rs6000_output_function_epilogue): Likewise.
22171         (rs6000_output_function_epilogue): Likewise.
22172         (rs6000_register_move_cost): Likewise.
22173         (rs6000_function_value): Likewise.
22174         (rs6000_libcall_value): Likewise.
22175
22176 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
22177
22178         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
22179
22180 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
22181
22182         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
22183         Use $MULTIDIR to choose between the kernel and RTP headers,
22184         and use $WIND_BASE and $WIND_USR to locate them.
22185
22186 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
22187
22188         * config/i386/i386.c (override_options): Put initialization of
22189         ix86_tune_mask and ix86_arch_mask to the correct place.
22190
22191 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
22192             Michael Meissner  <michael.meissner@amd.com>
22193
22194         PR target/31019
22195         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
22196         (ARCHMASK): Define.
22197         (TARGET_CMOVE): Use ARCHMASK.
22198         (TARGET_CMPXCHG): Ditto.
22199         (TARGET_CMPXCHG8B): Ditto.
22200         (TARGET_XADD): Ditto.
22201         (TARGET_BSWAP): Ditto.
22202         * config/i386/i386.c (ix86_tune_mask): New global variable.
22203         (ix86_arch_mask): Ditto.
22204         (override_options): Initialize ix86_tune_mask and
22205         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
22206         target_flags.
22207
22208 2007-03-02  Ben Elliston  <bje@au.ibm.com>
22209
22210         PR 30992
22211         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
22212
22213 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
22214
22215         * target.h (init_dwarf_reg_sizes_extra): New target hook.
22216         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
22217         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
22218         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
22219         hook.
22220         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
22221         rs6000_init_dwarf_reg_sizes_extra): New.
22222         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
22223         SPE register high parts.
22224
22225 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
22226
22227         * Makefile.in: Add install-pdf target as
22228         copied from automake v1.10 rules.
22229         * configure.ac: Add install-pdf to target list.
22230         * configure: Regenerate.
22231
22232 2007-03-01  Paul Brook  <paul@codesourcery.com>
22233
22234         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
22235         modes to LDRD for DImode.
22236         (output_move_double): Fixup out of range ldrd/strd.
22237         (vfp_secondary_reload_class): Rename...
22238         (coproc_secondary_reload_class): ... to this.  Add wb argument.
22239         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
22240         coproc_secondary_reload_class for CLASS_IWMMXT.
22241         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
22242         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
22243
22244 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
22245
22246         * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
22247         unroll factor by the estimated number of iterations.
22248         (loop_prefetch_arrays): Do not prefetch in loops that iterate less
22249         than prefetch latency.
22250
22251         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
22252         decode_caches_intel, detect_caches_intel): New functions.
22253         (host_detect_local_cpu): Use detect_caches_amd and
22254         detect_caches_intel.
22255
22256 2007-03-01  Richard Henderson  <rth@redhat.com>
22257
22258         * expr.c (emit_move_complex_push): Export.
22259         (emit_move_complex_parts): Split out from ...
22260         (emit_move_complex): ... here.
22261         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
22262         * config/i386/i386.md (movcdi): New.
22263
22264 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
22265
22266         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
22267         size of mode1 to check for tieable modes in MMX case.
22268
22269 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
22270
22271         * Makefile.in (rtlanal.o): Depend on tree.h.
22272         * rtl.h (offset_within_section_p, split_const): Declare.
22273         * rtlanal.c: Include tree.h.
22274         (offset_within_block_p): New function, taken from
22275         mips_offset_within_object_p.
22276         (split_const): New function, taken from mips_split_const.
22277         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
22278         Declare.
22279         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
22280         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
22281         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
22282         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
22283         (m68k_illegitimate_symbolic_constant_p): New function.
22284         * config/m68k/m68k.md (movsi): Remove misleading predicates.
22285         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
22286         symbolic constant that might be outside the symbol's section,
22287         move the symbol first and then add the offset.
22288         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
22289         Override.
22290         * config/mips/mips.c (mips_split_const): Delete.
22291         (mips_offset_within_object_p): Delete.
22292         (mips_symbolic_constant_p): Use offset_within_section_p and
22293         split_const instead of mips_offset_within_object_p and
22294         mips_split_const.
22295         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
22296         (mips_legitimize_const_move, print_operand_reloc)
22297         (mips_dangerous_for_la25_p): Use split_const instead of
22298         mips_split_const.
22299
22300 2007-02-28  Eric Christopher  <echristo@apple.com>
22301
22302         * Makefile.in (install-include-dir): Don't rm -rf include.
22303
22304 2007-02-28  Richard Guenther  <rguenther@suse.de>
22305
22306         PR middle-end/30364
22307         * fold-const.c (fold_binary): Do not associate expressions
22308         with more than one variable for integer types that do not wrap.
22309
22310 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
22311
22312         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
22313         Delete, and replace with...
22314         (fold_builtin_call_array): This.  Update callers to use it.
22315         * fold-const.c (fold_build_call_list): Delete, and replace with...
22316         (fold_build_call_array): This.
22317         (fold_build_call_list_initializer): Delete, and replace with...
22318         (fold_build_call_array_initializer): This.
22319         * tree.h: Update declarations to reflect above changes.
22320
22321         * c-typeck.c (build_function_call): Store converted arguments
22322         in a stack-allocated array instead of building a list.
22323         (convert_arguments): Store arguments in the array passed in as an
22324         argument, and return the actual number of arguments.
22325         * c-format.c: (check_function_format): Pass arguments in an
22326         array instead of a list.
22327         * c-common.c (check_function_nonnull): Likewise.
22328         (check_function_sentinel): Likewise.
22329         (check_function_arguments): Likewise.
22330         * c-common.h: Update declarations to reflect above changes.
22331
22332 2007-02-28  Jan Hubicka  <jh@suse.cz>
22333
22334         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
22335         PRED_NEGATIVE_RETURN): Update outcomes.
22336
22337 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
22338
22339         * calls.c (emit_library_call_value_1): Handle partial registers
22340         correctly when building up CALL_INSN_FUNCTION_USAGE.
22341
22342 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22343
22344         * pa/predicates.md (move_src_operand): Allow zero for mode.
22345         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
22346         move pattern.
22347
22348 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
22349
22350         PR target/30970
22351         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
22352         *movv2df_internal): Enable pattern only for valid operand
22353         combinations.
22354         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
22355         tie only 128bit modes. For MMX registers, tie only 64bit modes.
22356
22357 2007-02-27  Mike Stump  <mrs@apple.com>
22358
22359         * config/darwin-crt3.c: Avoid compilation when compiling for a
22360         kext multilib.
22361
22362 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
22363
22364         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
22365         FIXED_INCLUDE_DIR.
22366         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
22367         for fixed headers and limits.h.
22368         (install-include-dir, install-headers-tar, install-headers-cpio,
22369         install-headers-cp, real-install-headers-tar,
22370         real-install-headers-cpio, real-install-headers-cp): Handle
22371         include-fixed as well as include.
22372         (install-mkheaders): Don't install files that go only in include
22373         not include-fixed.
22374         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
22375         from GCC_INCLUDE_DIR.
22376         * gcc.c (process_command): Remove special -BstageN/ handling.
22377         (do_spec_1): Add include-fixed directories.
22378
22379 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22380
22381         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
22382         _smulsi3_highpart.
22383         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
22384         New functions.
22385         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
22386         patterns.
22387
22388 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
22389
22390         * c-common.c (get_priority): Add check for
22391         SUPPORTS_INIT_PRIORITY.
22392
22393 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22394
22395         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
22396
22397         * config/bfin/bfin.c: Include "cfglayout.h".
22398         (MAX_LSETUP_DISTANCE): New macro.
22399         (struct loop_info): New members incoming, incoming_src and
22400         incoming_dest.  Delete member predecessor.
22401         (length_for_loop): New function.
22402         (bfin_optimize_loop): Handle more different loop structures.
22403         (bfin_discover_loop): Rework detection of predecessor blocks by
22404         examining incoming edges.
22405         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
22406         bfin_reorg_loops.
22407         (bfin_reorder_loops): New function.
22408         (bfin_reorg_loops): Use these three new functions.
22409
22410         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
22411         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
22412         (CONSTRAINT_LEN): Add entry for 'q'.
22413         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
22414         Add 'q' constraints.
22415         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
22416         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
22417
22418         * config/bfin/bfin.md (add_with_carry): New pattern.
22419         (s_or_u, su_optab, su_modifier): New code macros/attrs.
22420         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
22421         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
22422         support unsigned multiplies too.  Removed incorrect commutativity from
22423         operand 1 constraint where appropriate.
22424         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
22425         patterns.
22426         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
22427         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
22428         New patterns.
22429         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
22430         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
22431         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
22432         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
22433         usmulhisi_hh_huh): New patterns.
22434
22435         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
22436         lshifthi3): Fix output template to use half reg for operand 2.
22437
22438         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
22439         instead of R2.
22440
22441         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
22442
22443 2007-02-27  Andreas Schwab  <schwab@suse.de>
22444
22445         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
22446
22447 2007-02-27  Jan Hubicka  <jh@suse.cz>
22448
22449         * predict.c (last_basic_block_p): Remove.
22450         (tree_estimate_probability): Update return heuristic for commonized
22451         return blocks.
22452
22453 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
22454
22455         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
22456
22457 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
22458
22459         * doc/include/gcc-common.texi (versionsubtitle): New macro.
22460         * doc/cpp.texi: Standardize title page.
22461         * doc/cppinternals.texi: Likewise.
22462         * doc/gcc.texi: Standardize title page, remove version number
22463         from copyright page.
22464         * doc/gccint.texi: Likewise.
22465         * doc/install.texi: Standardize title page, add table of
22466         contents.
22467
22468 2007-02-26  Jan Hubicka  <jh@suse.cz>
22469
22470         * predict.def: Set outcomes according to more recent results.
22471         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
22472         Remove dead predictors.
22473         * predict.c (return_prediction): Fix pasto.
22474
22475 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22476
22477         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
22478         change; avoid a memory leak when returning early.
22479
22480 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
22481
22482         * c-decl.c (static_ctors): Move to c-common.c.
22483         (static_dtors): Likewise.
22484         (finish_function): Use c_record_cdtor_fn.
22485         (build_cdtor): Move to c-common.c.
22486         (c_write_global_declarations): Use c_build_cdtor_fns.
22487         * c-common.h (static_ctors): Declare.
22488         (static_dtors): Likewise.
22489         (c_record_cdtor_fn): Likewise.
22490         (c_build_cdtor_fns): Likewise.
22491         * c-common.c (static_ctors): New variable.
22492         (static_dtors): Likewise.
22493         (c_record_cdtor_fn): New function.
22494         (build_cdtor): Move from c-decl.c
22495         (c_build_cdtor_fns): New function.
22496
22497         * output.h (assemble_addr_to_section): Declare.
22498         (get_cdtor_priority_section): Likewise.
22499         * varasm.c (assemble_addr_to_section): New function.
22500         (get_cdtor_priority_section): Likewise.
22501         (default_named_section_asm_out_destructor): Use them.
22502         (destor_dtor_section_asm_out_destructor): Likewise.
22503         (default_named_section_asm_out_constructor): Likewise.
22504         (default_ctor_section_asm_out_constructor): Likewise.
22505         * config.gcc (*-*-vxworks*): Include vxworks.o.
22506         * config/t-vxworks (vxworks.o): New target.
22507         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
22508         (TARGET_ASM_CONSTRUCTOR): Define.
22509         (TARGET_ASM_DESTRUCTOR): Likewise.
22510         (vxworks_asm_out_constructor): Declare.
22511         (vxworks_asm_out_destructor): Likewise.
22512
22513         * c-common.c (get_priority): Check that we have not just an
22514         INTEGER_CST, but an integer constant with integeral type.
22515
22516 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
22517
22518         PR tree-optimization/30938
22519         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
22520         use &dt[nargs-1] instead of &dt[nargs] in the call to
22521         vect_is_simple_use().
22522
22523 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
22524
22525         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
22526         from register elimination as PRE_MODIFY / POST_MODIFY increments.
22527         Do not attempt to handle MEM inside auto-inc expressions.
22528         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
22529         of a register modified by an auto-inc expression.  However, do handle
22530         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
22531         (elimination_effects): Prohibit elimination of a register modified
22532         by an auto-inc expression.  Disable register elimination rules whose
22533         target register is modified by an auto-inc expression with variable
22534         increment.
22535
22536 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
22537
22538         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
22539         off-by-one error.
22540         (array_at_struct_end_p): New function.
22541         (idx_infer_loop_bounds): Use it.
22542         (estimate_numbers_of_iterations_loop): Export.
22543         * predict.c (predict_loops): Use estimated_loop_iterations_int.
22544         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
22545         (tree_estimate_probability): Call record_loop_exits.
22546         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
22547         (estimated_loop_iterations, estimated_loop_iterations_int,
22548         estimated_loop_iterations_tree): New functions.
22549         (analyze_siv_subscript_cst_affine,
22550         compute_overlap_steps_for_affine_1_2,
22551         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
22552         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
22553         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
22554         (PRED_LOOP_ITERATIONS_GUESSED): New.
22555         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
22556         * cfgloop.h (estimate_numbers_of_iterations_loop,
22557         estimated_loop_iterations_int): Declare.
22558
22559 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
22560
22561         * doc/extend.texi: Document optional priority argument to
22562         constructors and destructors.
22563         * tree.c (init_priority_for_decl): Adjust GTY markers.
22564         (init_ttree): Use priority-info hash functions for
22565         init_priority_for_decl.
22566         (tree_map_eq): Rename to ...
22567         (tree_map_base_eq): ... this.
22568         (tree_map_marked_p): Rename to ...
22569         (tree_map_base_marked_p): ... this.
22570         (tree_map_base_hash): New function.
22571         (decl_init_priority_lookup): Rework.
22572         (decl_fini_priority_lookup): New function.
22573         (decl_priority_info): New function.
22574         (decl_init_priority_insert): Use it.
22575         (decl_fini_priority_insert): Likewise.
22576         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
22577         hierarchy.
22578         (decl_restrict_base_insert): Likewise.
22579         (decl_debug_expr_insert): Likewise.
22580         (decl_value_expr_lookup): Likewise.
22581         (decl_value_expr_insert): Likewise.
22582         * tree.h (priority_type): New type.
22583         (decl_init_priority_lookup): Use priority_type.
22584         (decl_fini_priority_lookup): New function.
22585         (decl_init_priority_insert): Use priority_type.
22586         (decl_fini_priority_insert): New function.
22587         (DECL_HAS_INIT_PRIORITY): Tweak comments.
22588         (DECL_INIT_PRIORITY): Likewise.
22589         (SET_DECL_INIT_PRIORITY): Add comment.
22590         (DECL_FINI_PRIORITY): New macro.
22591         (SET_DECL_FINI_PRIORITY): Likewise.
22592         (DEFAULT_INIT_PRIORITY): Document.
22593         (MAX_INIT_PRIORITY): Likewise.
22594         (MAX_RESERVED_INIT_PRIORITY): Likewise.
22595         (tree_map_base): New type.
22596         (tree_map_base_eq): New function.
22597         (tree_map_base_hash): Likewise.
22598         (tree_map_base_marked_p): Likewise.
22599         (tree_map): Inherit from tree_map_base.
22600         (tree_map_eq): Make it a macro.
22601         (tree_map_marked_p): Likewise.
22602         (tree_int_map): Inherit from tree_map_base.
22603         (tree_int_map_eq): Make it a macro.
22604         (tree_int_map_hash): Likewise.
22605         (tree_int_map_marked_p): Likewise.
22606         (tree_priority_map): New type.
22607         (tree_priority_map_eq): New macro.
22608         (tree_priority_map_hash): Likewise.
22609         (tree_priority_map_marked_p): Likewise.
22610         * varasm.c (emults_decl): Adjust for refactoring of tree_map
22611         hierarchy.
22612         (emutls_common_1): Likewise.
22613         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
22614         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
22615         of tree_map hierarchy.
22616         * tree-cfg.c (move_stmt_r): Likewise.
22617         (new_label_mapper): Likewise.
22618         * c-tree.h (c_expand_body): Move to ...
22619         * c-common.h (c_expand_body): ... here.
22620         * c-decl.c (c_expand_body): Move to ...
22621         * c-common.c (c_expand_body): ... here.
22622         (c_common_attribute_table): Allow 1 argument for the constructor
22623         and destructor attributes.
22624         (get_priority): New function.
22625         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
22626         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
22627
22628 2007-02-24  Jan Hubicka  <jh@suse.cz>
22629
22630         PR middle-end/30509
22631         * tree-inline.c (copy_bb): Produce exact copy of EH info when
22632         copying for inlining.
22633
22634 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22635             Jan Hubicka  <jh@suse.cz>
22636
22637         PR target/30778
22638         * i386.c (counter_mode): New function.
22639         (expand_set_or_movmem_via_loop): Use it.
22640         (expand_movmem_epilogue): Likewise; fix pasto.
22641         (ix86_expand_movmem): Do emit guard even for constant counts.
22642         (ix86_expand_setmem): Likewise.
22643
22644 2007-02-25  Nick Clifton  <nickc@redhat.com>
22645
22646         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
22647         (JUMP_TABLES_IN_TEXT_SECTION): Define.
22648
22649 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22650
22651         PR target/30770
22652         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
22653         count argument with 0x10, not with 0x16.
22654         (expand_setmem_epilogue): Ditto.
22655
22656 2007-02-24  Mike Stump  <mrs@apple.com>
22657
22658         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
22659         symbols.
22660
22661 2007-02-24  Richard Guenther  <rguenther@suse.de>
22662
22663         PR middle-end/30951
22664         * fold-const.c (fold_binary): Fold x +- CST op x for
22665         EQ_EXPR and NE_EXPR.
22666
22667 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22668
22669         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
22670
22671 2007-02-24  Jan Hubicka  <jh@suse.cz>
22672
22673         * cgraphunit.c (decide_is_function_needed): Honor
22674         -fkeep-inline-functions.
22675
22676 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22677
22678         * builtins.c (fold_builtin_modf): New.
22679         (fold_builtin_2): Use it.
22680
22681 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
22682
22683         * loop-iv.c (implies_p): Detect additional cases where A implies B.
22684         (determine_max_iter): Take additional LOOP arg; all callers changed.
22685         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
22686         one using simplifications.
22687         (simplify_using_initial_values): Return if the expression becomes
22688         invalid due to altered regs.
22689
22690 2007-02-23  DJ Delorie  <dj@redhat.com>
22691
22692         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
22693
22694 2007-02-23  Mike Stump  <mrs@apple.com>
22695
22696         * tlink.c (scan_linker_output): Parse linker messages from
22697         darwin9's linker better.
22698
22699 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
22700
22701         PR debug/29614
22702         * varpool.c (varpool_assemble_pending_decls): Set
22703         varpool_last_needed_node to null.
22704
22705 2007-02-23  DJ Delorie  <dj@redhat.com>
22706
22707         * config/i386/i386.c (ix86_data_alignment): Don't specify an
22708         alignment bigger than the object file can handle.
22709
22710 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
22711
22712         PR target/30825
22713         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
22714         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
22715         (*movsf_1): Penalize MMX moves.
22716
22717 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
22718
22719         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
22720         2^32-1 or more times unless flag_unsafe_loop_optimizations.
22721
22722         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
22723
22724 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22725
22726         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
22727         (fold_builtin_1): Use them.
22728         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
22729         BUILT_IN_SIGNIFICAND.
22730
22731 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
22732
22733         * config/i386/i386.c (bdesc_1arg): Initialize
22734         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
22735         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
22736         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
22737         and IX86_BUILTIN_MOVSLDUP.
22738
22739 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
22740
22741         PR rtl-optimization/30841
22742         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
22743
22744 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22745
22746         * builtins.c (fold_builtin_frexp): New.
22747         (fold_builtin_2): Use it.
22748
22749 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
22750
22751         * doc/invoke.texi (Spec Files): Document getenv spec function.
22752
22753         * gcc.c (getenv_spec_function): New function.
22754         (static_spec_functions): Add it.
22755         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
22756         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
22757         header files.
22758
22759 2007-02-22  Michael Matz  <matz@suse.de
22760
22761         PR c++/29433
22762         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
22763         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
22764
22765 2007-02-22  Ian Lance Taylor  <iant@google.com>
22766
22767         PR debug/30898
22768         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
22769         (mem_loc_descriptor): Call it.
22770
22771 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
22772             Ira Rosen  <irar@il.ibm.com>
22773
22774         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
22775
22776 2007-02-22  Ira Rosen  <irar@il.ibm.com>
22777
22778         PR tree-optimization/30843
22779         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
22780         stores only after all the group is vectorized.
22781
22782 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
22783
22784         PR tree-optimization/30858
22785         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
22786         in the reduction cycle have a single use in the loop.
22787         * tree-vectorizer.h (relevant): Add documentation.
22788
22789 2007-02-20  Mike Stump  <mrs@apple.com>
22790
22791         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
22792         * configure: Regenerate.
22793
22794 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22795
22796         Change the defaults of some parameters and options.
22797         * config/spu/spu-protos.h (spu_optimization_options): Declare.
22798         * config/spu/spu.c (spu_optimization_options): Add.
22799         (spu_override_options): Change params in spu_optimization_options.
22800         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
22801
22802         Register 127 is only 16 byte aligned when used as a frame pointer.
22803         * config/spu/spu-protos.h (spu_init_expanders): Declare.
22804         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
22805         HARD_FRAME_POINTER_REGNUM.
22806         (spu_legitimate_address): Use regno_aligned_for_reload.
22807         (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
22808         aligned when frame_pointer_needed is true.
22809         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
22810         to 8 bits.
22811         * config/spu/spu.h (INIT_EXPANDERS): Define.
22812
22813         Make sure shift and rotate instructions have valid immediate operands.
22814         * config/spu/predicates.md (spu_shift_operand): Remove.
22815         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
22816         * config/spu/constraints.md (W, O): Extend range.
22817         * config/spu/spu.md (umask, nmask): Define.
22818         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
22819         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
22820         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
22821         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
22822         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
22823         (lshr<mode>3_reg): Fix rtl description.
22824
22825         Make sure mulhisi immediate operands are valid.
22826         * config/spu/predicates.md (imm_K_operand): Add.
22827         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
22828
22829         Generate constants using fsmbi and andi.
22830         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
22831         (print_operand, spu_split_immediate, classify_immediate,
22832         fsmbi_const_p): Handle IC_FSMBI2.
22833
22834         Correctly handle a CONST_VECTOR containing symbols.
22835         * config/spu/spu.c (print_operand): Handle HIGH correctly.
22836         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
22837         (immediate_load_p): Allow symbols that use 2 instructions to create.
22838         (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
22839         with symbols when flag_pic is set.
22840         (const_vector_immediate_p): New.
22841         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
22842         accept a CONST_VECTOR with symbols.
22843         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
22844         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
22845         correctly.
22846         * config/spu/spu.md (high, low): Delete.
22847         (low_<mode>): Define.
22848
22849         Remove INTRmode and INTR_REGNUM, which didn't work.
22850         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
22851         of INTR_REGNUM.
22852         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
22853         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
22854         peephole2 pattern): Don't use INTR or 131.
22855         (movintrcc): Delete.
22856         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
22857         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
22858         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
22859         (UNSPEC_SET_INTR): Add.
22860         * config/spu/spu-modes.def (INTR): Remove.
22861
22862         More accurate warnings about run-time relocations.
22863         * config/spu/spu.c (reloc_diagnostic): Test in_section.
22864
22865         Correctly warn about immediate arguments to specific intrinsics.
22866         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
22867         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
22868         the instruction predicate.
22869
22870         Fix tree check errors with latest update.
22871         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
22872         CALL_EXPR_ARG.
22873         (spu_expand_builtin): Use CALL_EXPR_FN.
22874
22875         Add missing specific intrinsics.
22876         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
22877         si_bislede.
22878         * config/spu/spu_internals.h: Ditto.
22879
22880         Fix incorrect operand modifiers.
22881         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
22882         * config/spu/spu.md (xor<mode>3): Change %S to %J.
22883
22884         Optimize one case of zero_extend of a vec_select.
22885         * config/spu/spu.md (_vec_extractv8hi_ze): Add.
22886
22887         Accept any immediate for hbr.
22888         * config/spu/spu.md (hbr): Change s constraints to i.
22889
22890 2007-02-21  Paul Brook  <paul@codesourcery.com>
22891
22892         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
22893         condexec_count when skipping USE and CLOBBER.
22894
22895 2007-02-21  Nick Clifton  <nickc@redhat.com>
22896
22897         * common.opt (Warray-bounds): Add Warning attribute.
22898         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
22899         Likewise.
22900         (fsized-zeroes): Add Optimization attribute.
22901         (fsplit-wide-types, ftree-scev-cprop): Likewise.
22902         * c.opt (Wc++0x-compat): Add Warning attribute.
22903
22904 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
22905
22906         PR middle-end/30761
22907         * reload1.c (eliminate_regs_in_insn): In the single_set special
22908         case, attempt to re-recognize the insn before falling back to
22909         having reload fix it up.
22910
22911 2007-02-20  Eric Christopher  <echristo@gmail.com>
22912
22913         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
22914         Rewrite accordingly.
22915         (frv_read_iacc_argument): Ditto.
22916         (frv_expand_set_builtin): Take a call instead of arglist, update for
22917         above changes.
22918         (frv_expand_unop_builtin): Ditto.
22919         (frv_expand_binop_builtin): Ditto.
22920         (frv_expand_cut_builtin): Ditto.
22921         (frv_expand_binopimm_builtin): Ditto.
22922         (frv_expand_voidbinop_builtin): Ditto.
22923         (frv_expand_int_void2arg): Ditto.
22924         (frv_expand_prefetches): Ditto.
22925         (frv_expand_voidtriop_builtin): Ditto.
22926         (frv_expand_voidaccop_builtin): Ditto.
22927         (frv_expand_load_builtin): Ditto.
22928         (frv_expand_store_builtin): Ditto.
22929         (frv_expand_mdpackh_builtin): Ditto.
22930         (frv_expand_mclracc_builtin): Ditto.
22931         (frv_expand_mrdacc_builtin): Ditto.
22932         (frv_expand_mwtacc_builtin): Ditto.
22933         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
22934         calls for above.
22935
22936 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
22937
22938         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
22939         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
22940         cmpb instruction.
22941         (HAVE_GAS_DFP): Check for assembler support of decimal floating
22942         point instructions.
22943         * configure: Regenerate.
22944         * config.in: Regenerate.
22945         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
22946         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
22947         masks to power6 and power6x and to POWERPC_MASKS.
22948         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
22949         _ARCH_PWR6.
22950         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
22951         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
22952         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
22953         Access PROTOTYPE as variable, not mask.
22954
22955 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22956
22957         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
22958         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
22959         * combine.c (adjust_for_new_dest): Use it.
22960         * postreload.c (reload_combine): Likewise.
22961
22962 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22963
22964         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
22965         notes on an insn with multiple sets, even if single_set returns
22966         non-NULL for that insn.
22967
22968 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22969
22970         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
22971         scalbn and scalbln.
22972
22973 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
22974
22975         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
22976         if user didn't pass it.
22977         * config/i386/darwin.h (CC1_SPEC): Likewise.
22978         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
22979         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
22980         -mmacosx-version-min.
22981
22982 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22983             Uros Bizjak  <ubizjak@gmail.com>
22984
22985         * optabs.h (enum optab_index): Add new OTI_scalb.
22986         (scalb_optab): Define corresponding macro.
22987         * optabs.c (init_optabs): Initialize scalb_optab.
22988         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
22989         patterns.
22990         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
22991         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
22992         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
22993         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
22994         flag_unsafe_math_optimizations is set.
22995
22996         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
22997         to implement scalbf, scalb and scalbl built-ins as inline x87
22998         intrinsics.
22999
23000 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23001             DJ Delorie <dj@redhat.com>
23002
23003         PR other/30824
23004         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
23005         (diagnostic_report_diagnostic): ... here, and turn them into real
23006         errors. If warnings are inhibited, no need to do anything.
23007
23008 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
23009
23010         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
23011         better code generation.
23012
23013 2007-02-20  Ben Elliston  <bje@au.ibm.com>
23014
23015         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
23016
23017 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
23018
23019         * config/alpha/alpha.c, config/alpha/alpha.md,
23020         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
23021         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
23022         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
23023         config/arm/lib1funcs.asm: Follow spelling conventions.
23024
23025         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
23026         config/fr30/fr30.md, config/i386/i386.h,
23027         config/iq2000/iq2000.h, config/iq2000/predicates.md,
23028         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
23029         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
23030         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
23031         config/rs6000/altivec.md, config/rs6000/rs6000.c,
23032         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
23033         config/sparc/sparc.c, config/sparc/sparc.h,
23034         config/sparc/sparc.md, config/spu/constraints.md,
23035         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
23036         conventions.
23037
23038 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
23039
23040         PR target/29943
23041         * varasm.c (use_blocks_for_decl_p): Return false for decls with
23042         alias attribute.
23043
23044 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
23045
23046         * doc/invoke.texi (-ftree-lrs): Remove.
23047
23048 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
23049
23050         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
23051         NULL.
23052
23053 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
23054
23055         * config/ia64/ia64.c (ia64_expand_builtin): Use the
23056         new CALL_EXPR_FN macro for retrieving the function
23057         declaration of the input expression.
23058
23059 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23060
23061         * c.opt (Waddress): New.
23062         * common.opt (Walways-true): Delete.
23063         (Wstring-literal-comparison): Delete.
23064         * doc/invoke.texi (Warning Options): Delete -Walways-true and
23065         -Wstring-literal-comparison. Add -Waddress.
23066         (Waddress): New.
23067         (Walways-true): Delete.
23068         (Wstring-literal-comparison): Delete.
23069         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
23070         consistently instead of -Walways-true in example.
23071         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
23072         * c-typeck.c (parser_build_binary_op): Replace
23073         -Wstring-literal-comparison and -Walways-true with -Waddress.
23074         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
23075         with -Waddress.
23076
23077 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
23078
23079         * tree-cfg.c (dump_function_to_file): Be prepared for functions
23080         without DECL_STRUCT_FUNCTION initialized.
23081
23082 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
23083
23084         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
23085         due to calls to functions taking pointers as parameters.
23086
23087 2007-02-19  Richard Henderson  <rth@redhat.com>
23088
23089         PR debug/29558
23090         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
23091         in memory.
23092
23093 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
23094
23095         * config/s390/s390.c (s390_call_saved_register_used,
23096         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
23097         accessed to the new scheme.
23098
23099 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
23100
23101         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
23102         (cris_print_index, cris_print_operand, cris_print_operand_address)
23103         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
23104         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
23105         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
23106         GET_CODE () == xxx.
23107         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
23108         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
23109         GO_IF_LEGITIMATE_ADDRESS): Ditto.
23110         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
23111         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
23112         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
23113         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
23114         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
23115         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
23116         (uminsi3, call, call_value): Ditto.
23117         (define_split: indir_to_reg_split, unnamed): Ditto.
23118
23119 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
23120
23121         PR tree-optimization/30975
23122         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
23123         wrong assert.
23124
23125 2007-02-18  Eric Christopher  <echristo@gmail.com>
23126
23127         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
23128         Remove use of arglist.
23129         (mips_expand_builtin): Remove use of arglist, pass in expr.
23130         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
23131         (mips_expand_builtin_movtf): Ditto.
23132         (mips_expand_builtin_compare): Ditto.
23133
23134 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
23135
23136         * tree-sra.c (sra_build_assignment): Replace assertion
23137         checking with a comment explaining why it can't be done.
23138
23139 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
23140
23141         PR middle-end/30833
23142         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
23143         during CALL_EXPR representation conversion.
23144         * tree-ssa-propagate.c (set_rhs): Likewise.
23145
23146 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
23147
23148         * tree-sra.c (sra_build_assignment): Disable assertion checking
23149         for now.
23150
23151 2007-02-18  Roger Sayle  <roger@eyesopen.com>
23152
23153         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
23154         instead of calling build2 with a GIMPLE_MODIFY_STMT.
23155         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
23156         Likewise.
23157         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
23158         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
23159         gimplify_init_ctor_eval_range, gimple_push_cleanup,
23160         gimplify_omp_for, gimplify_omp_atomic_pipeline,
23161         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
23162         force_gimple_operand): Likewise.
23163         * ipa-cp.c (constant_val_insert): Likewise.
23164         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
23165         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
23166         perfect_nestify): Likewise.
23167         * langhooks.c (lhd_omp_assignment): Likewise.
23168         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
23169         lower_copyprivate_clauses, lower_send_clauses,
23170         lower_send_shared_vars, expand_parallel_call,
23171         expand_omp_for_generic, expand_omp_for_static_nochunk,
23172         expand_omp_for_static_chunk, expand_omp_sections,
23173         lower_omp_single_copy, lower_omp_for_lastprivate,
23174         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
23175         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
23176         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
23177         Likewise.
23178
23179 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
23180
23181         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
23182         config/sh/sh.md: Follow spelling conventions.
23183
23184         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
23185         config/frv/predicates.md: Follow spelling conventions.
23186
23187         * config/m68k/linux-unwind.h: Fix a comment typo.
23188         * target.h: Follow spelling conventions.
23189
23190 2007-02-18  Roger Sayle  <roger@eyesopen.com>
23191
23192         PR rtl-optimization/28173
23193         * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
23194         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
23195         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
23196         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
23197         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
23198
23199 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
23200
23201         * builtins.c (fold_builtin_load_exponent): New.
23202         (fold_builtin_2): Use it.
23203
23204 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
23205
23206         PR rtl-optimization/30773
23207         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
23208         if we fail to attach a REG_EQUIV note.
23209
23210 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
23211             Roger Sayle  <roger@eyesopen.com>
23212
23213         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
23214
23215 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
23216
23217         * calls.c (initialize_argument_information): Pass original EXP
23218         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
23219         code to split complex arguments here, as part of initializing the
23220         ARGS array.
23221         (expand_call): Remove code that builds a list of arguments and
23222         inserts implicit arguments into it.  Instead, just count how many
23223         implicit arguments there will be so we can determine the size of
23224         the ARGS array, and let initialize_argument_information do the work.
23225         (split_complex_values): Delete unused function.
23226
23227 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
23228
23229         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
23230
23231 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
23232
23233         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
23234         for arg pointer based indexed addressing.
23235
23236 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
23237
23238         * config/ia64/ia64.h, config/ia64/ia64.md,
23239         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
23240         spelling conventions.
23241
23242 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
23243
23244         * config/m68k/m68k.c (split_di): New.
23245         * config/m68k/m68k-protos.h: Declare split_di.
23246         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
23247           Improve predicate handling and split constant shifts.
23248
23249 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
23250
23251         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
23252         parameter for register bitfield operations, general predicates
23253         cleanup
23254
23255 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
23256
23257         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
23258         * config/m68k/linux-unwind.h: New file.
23259
23260 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
23261
23262         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
23263         config/i386/athlon.md, config/ia64/ia64.md,
23264         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
23265         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
23266         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
23267         tree-ssa-loop-niter.c, tree-vect-analyze.c,
23268         tree-vect-transform.c: Fix comment typos.
23269
23270 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
23271
23272         * sched-deps.c (find_insn_list): Remove.
23273         * sched-int.h: Remove the prototype for find_insn_list.
23274
23275 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
23276
23277         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
23278         to linker.
23279         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
23280         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
23281         darwin_rs6000_override_options.
23282         (C_COMMON_OVERRIDE_OPTIONS): Expect
23283         darwin_macosx_version_min to be non-NULL always.
23284         (TARGET_C99_FUNCTIONS): Likewise.
23285         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
23286         (DARWIN_MINVERSION_SPEC): New.
23287         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
23288         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
23289         to cc1*.
23290         (DARWIN_MINVERSION_SPEC): New.
23291         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
23292         value.
23293         * config/darwin-c.c (darwin_cpp_builtins): Expect
23294         darwin_macosx_version_min to be non-NULL always.
23295
23296         * config/rs6000/rs6000.c: Clean up trailing whitespace.
23297
23298 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
23299
23300         * config/i386/i386.h (x86_use_xchgb): New.
23301         (TARGET_USE_XCHGB): New macro.
23302         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
23303         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
23304         Split after reload into bswaphi for shifts of 8.
23305         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
23306         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
23307         or when optimizing for size.
23308
23309 2007-02-16  Richard Guenther  <rguenther@suse.de>
23310             Christian Bruel  <christian.bruel@st.com>
23311
23312         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
23313         DECLs but prefer SSA_NAMEs over DECLs.
23314
23315 2007-02-16  Richard Guenther  <rguenther@suse.de>
23316
23317         * tree-flow-inline.h (single_imm_use_p): Remove.
23318         (zero_imm_uses_p): Likewise.
23319         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
23320         instead of single_imm_use_p.
23321         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
23322         zero_imm_uses_p.
23323
23324 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
23325
23326         PR other/27843
23327         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
23328         nested double- and backquotes.
23329
23330 2007-02-15  Roger Sayle  <roger@eyesopen.com>
23331
23332         PR middle-end/30391
23333         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
23334         should be unreachable.
23335         (build2_stat): Allow construction of MODIFY_EXPR at any time.
23336         For the time being redirect GIMPLE_MODIFY_STMT to the new
23337         (renamed) build_gimple_modify_stmt_stat.
23338         (build2_gimple_stat): Rename to...
23339         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
23340         Always build a GIMPLE_MODIFY_STMT node.
23341         * tree.h (build2_gimple, build2_gimple_stat): Delete.
23342         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
23343         declarations.
23344
23345         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
23346         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
23347         * tree-complex.c (set_component_ssa_name, expand_complex_move,
23348         expand_complex_div_wide): Likewise.
23349         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
23350         * tree-ssa-loop-im.c (schedule_sm): Likewise.
23351         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
23352         * tree-ssa-loop-manip.c (create_iv): Likewise.
23353         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
23354         abs_replacement): Likewise.
23355         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
23356         realify_fake_stores): Likewise.
23357
23358         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
23359         node rather than a GIMPLE_MODIFY_STMT node.
23360         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
23361         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
23362         Likewise.
23363         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
23364         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
23365         GIMPLE_MODIFY_STMT.
23366
23367 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23368
23369         PR middle-end/30433
23370         * fold-const.c (fold_comparison): Add back the
23371         folding of constant complex comparisions.
23372
23373 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23374
23375         PR middle-end/30729
23376         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
23377         effects unknown to this function, return early.
23378
23379 2007-02-15  Ian Lance Taylor  <iant@google.com>
23380
23381         * lower-subreg.c (move_eh_region_note): New static function.
23382         (resolve_simple_move): Call it.
23383         (decompose_multiword_subregs): Track blocks for which we resolve a
23384         simple move which is also a control flow insn.  Pass them to
23385         find_many_sub_basic_blocks.
23386         (pass_lower_subreg): Add TODO_verify_flow.
23387         (pass_lower_subreg2): Likewise.
23388
23389 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23390             Brooks Moses  <brooks.moses@codesourcery.com>
23391             Lee Millward  <lee.millward@codesourcery.com>
23392
23393         * tree.h (enum tree_code_class): Add tcc_vl_exp.
23394         (VL_EXP_CLASS_P): New.
23395         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
23396         TREE_CODE_LENGTH.
23397         (TREE_OPERAND_CHECK_CODE): Likewise.
23398         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
23399         (TREE_RTL_OPERAND_CHECK): Likewise.
23400         (tree_operand_check_failed): Make second parameter the whole tree
23401         instead of its code.  Fixed callers.
23402         (VL_EXP_CHECK): New.
23403         (TREE_OPERAND_LENGTH): New.
23404         (VL_EXP_OPERAND_LENGTH): New.
23405         (CALL_EXPR_FN): New.
23406         (CALL_EXPR_STATIC_CHAIN): New.
23407         (CALL_EXPR_ARGS): New.
23408         (CALL_EXPR_ARG): New.
23409         (call_expr_nargs): New.
23410         (CALL_EXPR_ARGP): New.
23411         (build_nt_call_list): Declare.
23412         (build_vl_exp_stat): Declare.
23413         (build_vl_exp): New.
23414         (build_call_list): Declare.
23415         (build_call_nary): Declare.
23416         (build_call_valist): Declare.
23417         (build_call_array): Declare.
23418         (call_expr_arg): Declare.
23419         (call_expr_argp): Declare.
23420         (call_expr_arglist): Declare.
23421         (fold_build_call_list): Declare.
23422         (fold_build_call_list_initializer): Declare.
23423         (fold_call_expr): Declare to replace fold_builtin.
23424         (fold_builtin_fputs): Update to agree with modified definition.
23425         (fold_builtin_strcpy): Likewise.
23426         (fold_builtin_strncpy): Likewise.
23427         (fold_builtin_memory_chk): Likewise.
23428         (fold_builtin_stxcpy_chk): Likewise.
23429         (fold_builtin_strncpy_chk): Likewise.
23430         (fold_builtin_next_arg): Likewise.
23431         (fold_build_call_expr): Declare.
23432         (fold_builtin_call_list): Declare.
23433         (fold_builtin_call_valist): Declare.
23434         (build_call_expr): Declare.
23435         (validate_arglist): Update to agree with modified definition.
23436         (tree_operand_length): New.
23437         (call_expr_arg_iterator): New.
23438         (init_call_expr_arg_iterator): New.
23439         (next_call_expr_arg): New.
23440         (first_call_expr_arg): New.
23441         (more_call_expr_args_p): New.
23442         (FOR_EACH_CALL_EXPR_ARG): New.
23443
23444         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
23445         and tcc_gimple_stmt.
23446         (tree_code_size): Update documentation.  Use sizeof (tree) rather
23447         than sizeof (char *).
23448         (tree_size): Likewise.  Add case for tcc_vl_exp.
23449         (tree_node_structure): Add case for tcc_vl_exp.
23450         (contains_placeholder_p): Likewise.
23451         (substitute_in_expr): Likewise.
23452         (substitute_placeholder_in_expr): Likewise.
23453         (stabilize_reference_1): Likewise.
23454         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
23455         to diagnose breakage of this interface for constructing CALL_EXPRs.
23456         (build_nt): Add similar assertion here.
23457         (build_nt_call_list): New.
23458         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
23459         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
23460         TREE_CODE_LENGTH.
23461         (get_callee_fndecl): Use new CALL_EXPR accessors.
23462         (tree_operand_check_failed): Change parameters to pass entire node
23463         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
23464         (process_call_operands): New.
23465         (build_vl_exp_stat): New.
23466         (build_call_list): New.
23467         (build_call_nary): New.
23468         (build_call_valist): New.
23469         (build_call_array): New.
23470         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23471         (call_expr_arglist): New.
23472
23473         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
23474         tcc_vl_exp instead of a fixed-size tcc_expression.
23475
23476         * doc/c-tree.texi (CALL_EXPR): Document new representation and
23477         accessors for CALL_EXPRs.
23478         (AGGR_INIT_EXPR): Likewise.
23479
23480 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23481             Brooks Moses  <brooks.moses@codesourcery.com>
23482             Lee Millward  <lee.millward@codesourcery.com>
23483
23484         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
23485         (expand_builtin_nonlocal_goto): Change parameter to be entire
23486         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
23487         (expand_builtin_prefetch): Likewise.
23488         (expand_builtin_classify_type): Likewise.
23489         (mathfn_built_in): Return NULL_TREE instead of 0.
23490         (expand_errno_check): Use new CALL_EXPR accessors.
23491         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
23492         Return NULL_RTX instead of 0.
23493         (expand_builtin_mathfn_2): Likewise.
23494         (expand_builtin_mathfn_3): Likewise.
23495         (expand_builtin_interclass_mathfn): Likewise.
23496         (expand_builtin_sincos): Likewise.
23497         (expand_builtin_cexpi): Likewise.
23498         (expand_builtin_int_roundingfn): Likewise.
23499         (expand_builtin_int_roundingfn_2): Likewise.
23500         (expand_builtin_pow): Likewise.
23501         (expand_builtin_powi): Likewise.
23502         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
23503         of arglist, fixing callers appropriately.  Use new CALL_EXPR
23504         accessors and constructors.  Return NULL_RTX instead of 0.
23505         (expand_builtin_strstr): Likewise.
23506         (expand_builtin_strchr): Likewise.
23507         (expand_builtin_strrchr): Likewise.
23508         (expand_builtin_strpbrk): Likewise.
23509         (expand_builtin_memcpy): Likewise.
23510         (expand_builtin_mempcpy): Likewise.
23511         (expand_builtin_mempcpy_args): New.
23512         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
23513         (expand_builtin_memmove_args): New.
23514         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
23515         (expand_movstr): Likewise.
23516         (expand_builtin_strcpy): Likewise.
23517         (expand_builtin_strcpy_args): New.
23518         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
23519         (expand_builtin_strncpy): Likewise.
23520         (expand_builtin_memset): Likewise.
23521         (expand_builtin_memset_args): New.
23522         (expand_builtin_bzero): Similarly to expand_builtin_memset.
23523         (expand_builtin_memcmp): Likewise.
23524         (expand_builtin_strcmp): Likewise.
23525         (expand_builtin_strncmp): Likewise.
23526         (expand_builtin_strcat): Likewise.
23527         (expand_builtin_strncat): Likewise.
23528         (expand_builtin_strspn): Likewise.
23529         (expand_builtin_strcspn): Likewise.
23530         (expand_builtin_args_info): Likewise.
23531         (expand_builtin_va_start): Likewise.
23532         (gimplify_va_arg_expr): Likewise.
23533         (expand_builtin_va_end): Likewise.
23534         (expand_builtin_va_copy): Likewise.
23535         (expand_builtin_frame_address): Likewise.
23536         (expand_builtin_alloca): Likewise.
23537         (expand_builtin_bswap): Likewise.
23538         (expand_builtin_unop): Likewise.
23539         (expand_builtin_fputs): Likewise.
23540         (expand_builtin_expect): Likewise.
23541         (expand_builtin_fabs): Likewise.
23542         (expand_builtin_copysign): Likewise.
23543         (expand_builtin_printf): Likewise.
23544         (expand_builtin_fprintf): Likewise.
23545         (expand_builtin_sprintf): Likewise.
23546         (expand_builtin_init_trampoline): Likewise.
23547         (expand_builtin_signbit): Likewise.
23548         (expand_builtin_fork_or_exec): Likewise.
23549         (expand_builtin_sync_operation): Likewise.
23550         (expand_builtin_compare_and_swap): Likewise.
23551         (expand_builtin_lock_test_and_set): Likewise.
23552         (expand_builtin_lock_release): Likewise.
23553         (expand_builtin): Likewise.
23554         (builtin_mathfn_code): Likewise.
23555
23556         (fold_builtin_constant_p): Pass call arguments individually instead
23557         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23558         accessors and constructors.  Return NULL_TREE instead of 0.
23559         (fold_builtin_expect): Likewise.
23560         (fold_builtin_classify_type): Likewise.
23561         (fold_builtin_strlen): Likewise.
23562         (fold_builtin_nan): Likewise.
23563         (integer_valued_real_p): Likewise.
23564         (fold_trunc_transparent_mathfn): Likewise.
23565         (fold_fixed_mathfn): Likewise.
23566         (fold_builtin_cabs): Likewise.
23567         (fold_builtin_sqrt): Likewise.
23568         (fold_builtin_cbrt): Likewise.
23569         (fold_builtin_cos): Likewise.
23570         (fold_builtin_cosh): Likewise.
23571         (fold_builtin_tan): Likewise.
23572         (fold_builtin_sincos): Likewise.
23573         (fold_builtin_cexp): Likewise.
23574         (fold_builtin_trunc): Likewise.
23575         (fold_builtin_floor): Likewise.
23576         (fold_builtin_ceil): Likewise.
23577         (fold_builtin_round): Likewise.
23578         (fold_builtin_int_roundingfn): Likewise.
23579         (fold_builtin_bitop): Likewise.
23580         (fold_builtin_bswap): Likewise.
23581         (fold_builtin_logarithm): Likewise.
23582         (fold_builtin_hypot): Likewise.
23583         (fold_builtin_pow): Likewise.
23584         (fold_builtin_powi): Likewise.
23585         (fold_builtin_exponent): Likewise.
23586         (fold_builtin_memset): Likewise.
23587         (fold_builtin_bzero): Likewise.
23588         (fold_builtin_memory_op): Likewise.
23589         (fold_builtin_bcopy): Deleted; call site changed to invoke
23590         fold_builtin_memory_op directly.
23591         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
23592         (fold_builtin_strncpy): Likewise.
23593         (fold_builtin_memcmp): Likewise.
23594         (fold_builtin_strcmp): Likewise.
23595         (fold_builtin_strncmp): Likewise.
23596         (fold_builtin_signbit): Likewise.
23597         (fold_builtin_copysign): Likewise.
23598         (fold_builtin_isascii): Likewise.
23599         (fold_builtin_toascii): Likewise.
23600         (fold_builtin_isdigit): Likewise.
23601         (fold_builtin_fabs): Likewise.
23602         (fold_builtin_abs): Likewise.
23603         (fold_builtin_fmin_fmax): Likewise.
23604         (fold_builtin_carg): Likewise.
23605         (fold_builtin_classify): Likewise.
23606         (fold_builtin_unordered_cmp): Likewise.
23607
23608         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
23609         New functions split out from fold_builtin_1.
23610         (fold_builtin_n): New.
23611         (fold_builtin_varargs): New.
23612         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
23613         instead.
23614         (fold_call_expr): New.
23615         (build_function_call_expr): Rewrite to use new helper function.
23616         (fold_builtin_call_list): New.
23617         (build_call_expr): New.
23618         (fold_builtin_call_valist): New.
23619         (rewrite_call_expr): New.
23620         (validate_arg): New.
23621         (validate_arglist): Change parameter to be entire CALL_EXPR instead
23622         of an arglist.  Change return type to bool.  Use new CALL_EXPR
23623         accessors.
23624
23625         (fold_builtin_strstr): Pass call arguments individually instead
23626         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23627         accessors and constructors.  Return NULL_TREE instead of 0.
23628         (fold_builtin_strchr): Likewise.
23629         (fold_builtin_strrchr): Likewise.
23630         (fold_builtin_strpbrk): Likewise.
23631         (fold_builtin_strcat): Likewise.
23632         (fold_builtin_strncat): Likewise.
23633         (fold_builtin_strspn): Likewise.
23634         (fold_builtin_strcspn): Likewise.
23635         (fold_builtin_fputs): Likewise.
23636         (fold_builtin_next_arg): Likewise.
23637         (fold_builtin_sprintf): Likewise.
23638
23639         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
23640         NULL_RTX instead of 0.
23641         (expand_builtin_memory_chk): Likewise.
23642         (maybe_emit_chk_warning): Likewise.
23643         (maybe_emit_sprintf_chk_warning): Likewise.
23644
23645         (fold_builtin_object_size): Pass call arguments individually instead
23646         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23647         accessors and constructors.  Return NULL_TREE instead of 0.
23648         (fold_builtin_memory_chk): Likewise.
23649         (fold_builtin_stxcpy_chk): Likewise.
23650         (fold_builtin_strncpy_chk): Likewise.
23651         (fold_builtin_strcat_chk): Likewise.
23652         (fold_builtin_strcat_chk): Likewise.
23653         (fold_builtin_strncat_chk): Likewise.
23654         (fold_builtin_sprintf_chk): Likewise.
23655         (fold_builtin_snprintf_chk): Likewise.
23656         (fold_builtin_printf): Likewise.
23657         (fold_builtin_vprintf): Likewise.
23658
23659         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
23660         constructors.
23661         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
23662         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23663         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
23664         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
23665         (fold_unary): Likewise.
23666         (fold_binary): Likewise.
23667         (fold_ternary): Remove CALL_EXPR case, since they are no longer
23668         ternary expressions.
23669         (fold): Add logic for tcc_vl_exp.
23670         (fold_checksum_tree): Make it know about tcc_vl_exp.  Use
23671         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23672         (fold_build3_stat): Add assertion to flag broken interface for
23673         constructing CALL_EXPRs.
23674         (fold_build_call_list): New.
23675         (fold_build_call_list_initializer): New.
23676         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
23677         constructors.
23678         (fold_strip_sign_ops): Likewise.
23679
23680 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23681             Brooks Moses  <brooks.moses@codesourcery.com>
23682             Lee Millward  <lee.millward@codesourcery.com>
23683
23684         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
23685         accessors and dump arguments explicitly.
23686
23687         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
23688         TREE_CODE_LENGTH.
23689         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
23690         explicitly.
23691         (print_call_name): Use new CALL_EXPR accessors.
23692
23693         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
23694         CALL_EXPR arguments explicitly instead of as a list.  Use
23695         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23696
23697         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
23698         (vrp_visit_stmt): Likewise.
23699
23700         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
23701         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
23702         TREE_CODE_LENGTH.
23703         (force_move_till_expr): Likewise.
23704
23705         * targhooks.c (default_external_stack_protect_fail): Use
23706         build_call_expr instead of build_function_call_expr.
23707         (default_hidden_stack_protect_fail): Likewise.
23708
23709         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
23710         build the call.
23711
23712         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
23713         and walk arguments explicitly.
23714
23715         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
23716         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23717         (expand_simple_operations): Likewise.
23718         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
23719
23720         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
23721         of TREE_CODE_LENGTH.
23722         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
23723
23724         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
23725         instead of TREE_CODE_LENGTH.
23726
23727         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
23728         (tree_ic_transform): Likewise.
23729         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
23730         parameter instead of arglist.  Fix callers.
23731         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
23732         (tree_stringops_transform): Likewise.
23733         (tree_indirect_call_to_profile): Likewise.
23734         (tree_stringops_values_to_profile): Likewise.
23735
23736         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
23737         (eliminate_tail_call): Likewise.
23738
23739         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
23740
23741         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
23742         Use TREE_OPERAND_LENGTH and generalize to handle any number of
23743         operands.
23744         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
23745
23746         * omp-low.c (build_omp_barrier): Use build_call_expr.
23747         (lower_rec_input_clauses): Likewise.
23748         (lower_reduction_clauses): Likewise.
23749         (expand_parallel_call): Likewise.
23750         (maybe_catch_exception): Likewise.
23751         (expand_omp_for_generic): Likewise.
23752         (expand_omp_for_static_nochunk): Likewise.
23753         (expand_omp_sections): Likewise.
23754         (lower_omp_single_simple): Likewise.
23755         (lower_omp_single_copy): Likewise.
23756         (lower_omp_master): Likewise.
23757         (lower_omp_ordered): Likewise.
23758         (lower_omp_critical): Likewise.
23759
23760         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
23761         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
23762
23763         * tree-gimple.c (is_gimple_call_addr): Fix doc.
23764         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
23765         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
23766
23767         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
23768         and generalize to handle any number of operands.
23769         (chrec_contains_undetermined): Likewise.
23770         (tree_contains_chrecs): Likewise.
23771         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
23772
23773         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
23774
23775         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
23776         fold_call_expr instead of fold_builtin.
23777         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
23778         match declarations there.
23779         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
23780         updates.
23781
23782         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
23783         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23784
23785         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
23786         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
23787
23788         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
23789         accessors.
23790
23791         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
23792         (execute_cse_sincos): Use new CALL_EXPR accessors.
23793
23794         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
23795
23796         * gimple-low.c (lower_function_body): Use build_call_expr.
23797         (lower_builtin_setjmp): Likewise.
23798
23799         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
23800         (set_storage_via_libcall): Likewise.
23801         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
23802         instead of TREE_CODE_LENGTH.
23803         (expand_expr_real_1): Use new CALL_EXPR accessors.
23804
23805         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
23806         generalize to handle any number of operands.
23807         (TB_parent_eq): Likewise.
23808
23809         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
23810         (strip_builtin_expect): Likewise.
23811
23812         * function.c (gimplify_parameters): Use build_call_expr.
23813
23814         * tree-vectorizer.c (vect_is_simple_reduction): Use
23815         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23816
23817         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
23818         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
23819
23820         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
23821         iterators.
23822
23823         * gimplify.c (build_stack_save_restore): Use build_call_expr.
23824         (gimplify_decl_expr): Likewise.
23825         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
23826         Use new CALL_EXPR iterators.
23827         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
23828         (gimplify_modify_expr_to_memset): Likewise.
23829         (gimplify_variable_sized_compare): Likewise.
23830         (gimplify_omp_atomic_fetch_op): Likewise.
23831         (gimplify_omp_atomic_pipeline): Likewise.
23832         (gimplify_omp_atomic_mutex): Likewise.
23833         (gimplify_function_tree): Likewise.
23834
23835         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
23836         (call_expr_flags): Likewise.
23837         (expand_call): Likewise.
23838
23839         * except.c (expand_builtin_eh_return_data_regno): Pass entire
23840         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23841         accessors.
23842
23843         * coverage.c (create_coverage): Use build_call_expr.
23844
23845         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
23846         (temp_call_expr_obstack): New.
23847         (pool_copy_list): Delete.
23848         (temp_copy_call_expr): New.
23849         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
23850         CALL_EXPR accessors.  Get rid of special goo for copying argument
23851         lists and use temp_copy_call_expr instead.
23852         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
23853         CALL_EXPR accessors.
23854         (create_expression_by_pieces): Likewise.  Use build_call_array
23855         to construct the result instead of fold_build3.
23856         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
23857         dealing with argument lists.
23858         (init_pre): Remove references to expression_node_pool and
23859         list_node_pool.  Init temp_call_expr_obstack instead.
23860         (fini_pre): Remove references to expression_node_pool and
23861         list_node_pool.
23862
23863         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
23864         and walk arguments explicitly instead of as a list.
23865
23866         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
23867         (mx_register_decls): Likewise.
23868         (mudflap_register_call): Likewise.
23869         (mudflap_finish_file): Likewise.
23870
23871         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
23872         (ipa_callsite_compute_param): Likewise.
23873
23874         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
23875         accessors and constructor.
23876
23877         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
23878         accessors and constructor.
23879         (convert_tramp_reference): Likewise.
23880         (convert_call_expr): Likewise.
23881         (finalize_nesting_tree_1): Likewise.
23882
23883         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
23884         accessors.
23885
23886         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
23887
23888         * tree-inline.c (initialize_inlined_parameters): Pass entire
23889         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23890         accessors.
23891         (estimate_num_insns_1): Use new CALL_EXPR accessors.
23892         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
23893
23894         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
23895         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23896         (vectorizable_reduction): Likewise.
23897         (vectorizable_call): Use new CALL_EXPR iterators.
23898         (vectorizable_conversion): Use build_call_expr.
23899         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
23900         (vect_gen_widened_results_half): Use build_call_expr.
23901         (vect_setup_realignment): Likewise.
23902         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
23903
23904         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
23905         (pass_through_call): Likewise.
23906         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
23907         fold_builtin.
23908
23909         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
23910         (tree_gen_pow2_profiler): Likewise.
23911         (tree_gen_one_value_profiler): Likewise.
23912         (tree_gen_ic_func_profiler): Likewise.
23913         (tree_gen_average_profiler): Likewise.
23914         (tree_gen_ior_profiler): Likewise.
23915
23916         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
23917         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
23918         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23919
23920         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
23921         of TREE_CODE_LENGTH.
23922
23923         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
23924         of TREE_CODE_LENGTH.
23925
23926         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
23927         constructor.
23928         (convert_to_integer): Likewise.
23929
23930         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
23931         accessors.
23932
23933 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23934             Brooks Moses  <brooks.moses@codesourcery.com>
23935             Lee Millward  <lee.millward@codesourcery.com>
23936
23937         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
23938         accessors.
23939         * config/frv/frv.c (frv_expand_builtin): Likewise.
23940         * config/s390/s390.c (s390_expand_builtin): Likewise.
23941
23942         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
23943         (sparc_expand_builtin): Use new CALL_EXPR accessors.
23944
23945         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
23946         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
23947         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
23948         (ix86_expand_store_builtin): Likewise.
23949         (ix86_expand_unop_builtin): Likewise.
23950         (ix86_expand_unop1_builtin): Likewise.
23951         (ix86_expand_sse_compare): Likewise.
23952         (ix86_expand_sse_comi): Likewise.
23953         (ix86_expand_vec_init_builtin): Likewise.
23954         (ix86_expand_vec_ext_builtin): Likewise.
23955         (ix86_expand_vec_set_builtin): Likewise.
23956         (ix86_expand_builtin): Use new CALL_EXPR accessors.
23957
23958         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
23959         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
23960
23961         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
23962         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23963         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
23964
23965         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
23966         build_call_expr.
23967         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
23968         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
23969         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23970         (altivec_expand_abs_builtin): Likewise.
23971         (rs6000_expand_binop_builtin): Likewise.
23972         (altivec_expand_predicate_builtin): Likewise.
23973         (altivec_expand_lv_builtin): Likewise.
23974         (spe_expand_stv_builtin): Likewise.
23975         (altivec_expand_stv_builtin): Likewise.
23976         (rs6000_expand_ternop_builtin): Likewise.
23977         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
23978         (altivec_expand_st_builtin): Likewise.
23979         (altivec_expand_dst_builtin): Likewise.
23980         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
23981         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23982         (altivec_expand_vec_set_builtin): Likewise.
23983         (altivec_expand_vec_ext_builtin): Likewise.
23984         (altivec_expand_builtin): Use new CALL_EXPR accessors.
23985         (spe_expand_builtin): Likewise.
23986         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
23987         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23988         (spe_expand_evsel_builtin): Likewise.
23989         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
23990         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
23991
23992         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
23993         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23994         (arm_expand_unop_builtin): Likewise.
23995         (arm_expand_builtin): Use new CALL_EXPR accessors.
23996
23997         * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
23998         accessors.
23999
24000         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
24001         CALL_EXPR instead of arglist.  Use new CALL_EXPR accessors.
24002         Fix callers.
24003         (bfin_expand_unop_builtin): Likewise.
24004         (bfin_expand_builtin): Use new CALL_EXPR accessors.
24005
24006 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
24007             Brooks Moses  <brooks.moses@codesourcery.com>
24008             Lee Millward  <lee.millward@codesourcery.com>
24009
24010         * c-semantics.c (build_stmt): Add internal diagnostic check.
24011
24012         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
24013         accessors.  Print arguments explicitly instead of as a list.
24014
24015         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
24016
24017         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
24018         (c_finish_omp_flish): Likewise.
24019
24020         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
24021         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
24022         instead of TREE_CODE_LENGTH.
24023         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
24024         (c_warn_unused_result): Likewise.
24025
24026 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24027
24028         PR c/26494
24029         * doc/invoke.texi (Warning Options): Remove
24030         -Werror-implicit-function-declaration.
24031         (Wimplicit-function-declaration): Update description.
24032         * opts.c (common_handle_option): Move handling of -Werror=* to...
24033         (enable_warning_as_error): ...here.
24034         * opts.h (enable_warning_as_error): Declare.
24035         * c-decl.c (implicit_decl_warning): Unless
24036         -Wno-implicit-function-declaration is given, emit a pedwarn if
24037         -std=c99 or emit a warning if -Wimplicit-function-declaration.
24038         * c.opt (Wimplicit-function-declaration): Replace
24039         mesg_implicit_function_declaration with
24040         warn_implicit_function_declaration.
24041         * c-opts.c (c_common_handle_option):
24042         -Werror-implicit-function-declaration is exactly equal as
24043         -Werror=implicit-function-declaration.
24044         (set_Wimplicit): Replace mesg_implicit_function_declaration with
24045         warn_implicit_function_declaration.
24046         (c_common_post_options): -Wimplict-function-declaration is enabled
24047         by default by -std=c99, otherwise is disabled by default.
24048         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
24049
24050 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
24051
24052         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
24053         DECL on the rhs to a DECL on the lhs for debug info purposes if the
24054         former is ignored but not the latter.
24055
24056 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
24057
24058         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
24059         is made and the reference doesn't use the alias set of its type,
24060         do not create the temporary using that type.
24061
24062 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
24063
24064         * jump.c: Remove prototypes for delete_computation and
24065         delete_prior_computation.
24066
24067 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
24068
24069         * jump.c (get_label_after): Delete.
24070         (get_label_before, delete_computation, delete_jump,
24071         delete_prior_computation, follow_jumps): Move...
24072         * reorg.c (delete_computation, delete_prior_computation): ... here...
24073         (get_label_before, delete_jump): ... making these static ...
24074         (follow_jumps): ... and simplifying this since it only runs after
24075         reload.
24076         * rtl.h (get_label_after, get_label_before, delete_jump,
24077         follow_jumps): Delete prototypes.
24078
24079 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
24080
24081         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
24082
24083 2007-02-15  Nick Clifton  <nickc@redhat.com>
24084
24085         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
24086         order to prevent it from being munged by the target.
24087
24088 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
24089
24090         * config/i386/i386.md: Remove misleading comment.
24091
24092 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
24093
24094         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
24095         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
24096         invalid patterns.
24097
24098 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
24099
24100         * tree-sra.c (instantiate_missing_elements): Canonicalize
24101         bit-field types.
24102         (sra_build_assignment): New.
24103         (generate_copy_inout, generate_element_copy,
24104         generate_element_zero, generate_one_element_init): Use it.
24105
24106 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
24107
24108         * tree-sra.c (instantiate_missing_elements): Canonicalize
24109         bit-field types.
24110         (sra_build_assignment): New.
24111         (generate_copy_inout, generate_element_copy,
24112         generate_element_zero, generate_one_element_init): Use it.
24113
24114 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
24115
24116         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
24117         limbo die nodes.
24118
24119 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
24120
24121         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
24122         types as aggregates not scalars.
24123         * function.c (assign_stack_temp_for_type): Likewise.
24124
24125 2007-02-14  Roger Sayle  <roger@eyesopen.com>
24126             Zdenek Dvorak  <dvorakz@suse.cz>
24127
24128         * tree-dump.c (dump_switch_p_1): Require exact match of the option
24129         name.
24130
24131 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
24132
24133         * passes.c (next_pass_1): Clear the next field of the copied
24134         pass structure.
24135
24136 2007-02-14  Richard Henderson  <rth@redhat.com>
24137
24138         * tree-sra.c (early_sra): New.
24139         (decl_can_be_decomposed_p): Deny va_list if early_sra.
24140         (tree_sra_early, pass_sra_early): New.
24141         * tree-pass.h (pass_sra_early): Declare.
24142         * passes.c (init_optimization_passes): Use it.
24143
24144 2007-02-14  Richard Guenther  <rguenther@suse.de>
24145
24146         * flags.h (issue_strict_overflow_warning): Convert to a macro.
24147
24148 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
24149
24150          PR tree-optimization/30771
24151         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
24152         also phi nodes.
24153         (vect_analyze_operations): Induction phis can now be marked as
24154         used_in_loop.
24155         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
24156         Update documentation accordingly.
24157
24158 2007-02-14  Nick Clifton  <nickc@redhat.com>
24159
24160         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
24161         most 3 arguments are supported.
24162         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
24163
24164 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
24165
24166         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
24167         Ensure dst->current is valid.
24168
24169 2007-02-13  Paul Brook  <paul@codesourcery.com>
24170
24171         * config.gcc: Add arm*-*-uclinux-*eabi.
24172         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
24173         (SUBTARGET_EXTRA_LINK_SPEC): Define.
24174         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
24175         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
24176         (LINK_SPEC): Define.
24177         (LIB_SPEC): Define.
24178         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
24179         register.
24180         * config/arm/uclinux-eabi.h: New file.
24181         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
24182         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
24183         based targets.
24184
24185 2007-02-13  Ian Lance Taylor  <iant@google.com>
24186
24187         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
24188         * flags.h (warn_strict_overflow): Declare.
24189         (enum warn_strict_overflow_code): Define.
24190         (issue_strict_overflow_warning): New static inline function.
24191         * opts.c (warn_strict_overflow): New variable.
24192         (common_handle_option): Handle OPT_Wstrict_overflow and
24193         OPT_Wstrict_overflow_.
24194         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
24195         OPT_Wall.
24196         * fold-const.c: Include intl.h.
24197         (fold_deferring_overflow_warnings): New static variable.
24198         (fold_deferred_overflow_warning): New static variable.
24199         (fold_deferred_overflow_code): New static variable.
24200         (fold_defer_overflow_warnings): New function.
24201         (fold_undefer_overflow_warnings): New function.
24202         (fold_undefer_and_ignore_overflow_warnings): New function.
24203         (fold_deferring_overflow_warnings_p): New function.
24204         (fold_overflow_warning): New static function.
24205         (make_range): Add strict_overflow_p parameter.  Change all
24206         callers.
24207         (extract_muldiv, extract_muldiv_1): Likewise.
24208         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
24209         tree_expr_nonnegative_p.
24210         (fold_negate_expr): Call fold_overflow_warning.
24211         (fold_range_test): Likewise.
24212         (fold_comparison): Likewise.
24213         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
24214         instead of tree_expr_nonnegative_p.
24215         (tree_expr_nonnegative_warnv_p): Rename from
24216         tree_expr_nonnegative_p, add strict_overflow_p parameter.
24217         (tree_expr_nonnegative_p): New function.
24218         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
24219         strict_overflow_p parameter.
24220         (tree_expr_nonzero_p): New function.
24221         * passes.c (verify_interpass_invariants): New static function.
24222         (execute_one_pass): Call it.
24223         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
24224         warnings.
24225         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
24226         (estimate_numbers_of_iterations): Likewise.
24227         (scev_probably_wraps_p): Likewise.
24228         * tree-ssa-ccp.c: Include "toplev.h".
24229         (evaluate_stmt): Defer fold overflow warnings until we know we are
24230         going to optimize.
24231         (struct fold_stmt_r_data): Add stmt field.
24232         (fold_stmt_r): Defer fold overflow warnings until we know we
24233         optimized.
24234         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
24235         (fold_stmt_inplace): Likewise.
24236         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
24237         (cleanup_control_expr_graph): Defer fold overflow warnings until
24238         we know we are going to optimize.
24239         * tree-cfg.c (fold_cond_expr_cond): Likewise.
24240         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
24241         Likewise.
24242         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
24243         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
24244         * tree-ssa-loop-manip.c (create_iv): Likewise.
24245         * c-typeck.c (build_conditional_expr): Likewise.
24246         (build_binary_op): Likewise.
24247         * tree-vrp.c (vrp_expr_computes_nonzero): Call
24248         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
24249         (extract_range_from_unary_expr): Likewise.
24250         * simplify-rtx.c (simplify_const_relational_operation): Warn when
24251         assuming that signed overflow does not occur.
24252         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
24253         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
24254         (fold_defer_overflow_warnings): Declare.
24255         (fold_undefer_overflow_warnings): Declare.
24256         (fold_undefer_and_ignore_overflow_warnings): Declare.
24257         (fold_deferring_overflow_warnings_p): Declare.
24258         (tree_expr_nonzero_warnv_p): Declare.
24259         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
24260         of warning options.
24261         (Warning Options): Document -Wstrict-overflow.
24262         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
24263         (tree-ssa-ccp.o): Likewise.
24264         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
24265         (fold-const.o): Depend on intl.h.
24266
24267 2007-02-13  Ian Lance Taylor  <iant@google.com>
24268
24269         PR middle-end/30751
24270         * lower-subreg.c (resolve_simple_move): Decompose subregs in
24271         addresses.
24272
24273 2007-02-13  Stuart Hastings  <stuart@apple.com>
24274
24275         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
24276
24277 2007-02-13  Richard Henderson  <rth@redhat.com>
24278
24279         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
24280         handled_component_p before looking for the indirect_ref.
24281
24282 2007-02-13  Richard Henderson  <rth@redhat.com>
24283
24284         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
24285         remove flags clobber.
24286         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
24287         (bswaphi_lowpart): New.
24288         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
24289         remove TARGET_BSWAP test.  Delete expander of the same name.
24290
24291         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
24292         (expand_unop): Use them.
24293
24294 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
24295
24296         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
24297         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
24298         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
24299         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
24300         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
24301         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
24302         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
24303         assembler dialect choice from asm templates.
24304
24305 2007-02-12  Richard Henderson  <rth@redhat.com>
24306
24307         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
24308         (fixuns_trunc<SSEMODEF>si2): Use it.
24309         * config/i386/sse.md (vec_setv4sf_0): Export.
24310         * config/i386/i386.c (ix86_build_const_vector): Export.
24311         (ix86_split_convert_uns_si_sse): Rename from
24312         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
24313         * config/i386/i386-protos.h: Update.
24314
24315 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24316
24317         PR c/29521
24318         * c-typeck.c (c_finish_return): Improve warning message.
24319
24320 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24321
24322         * alias.c (find_symbolic_term): Delete unused function.
24323
24324 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
24325
24326         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
24327         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
24328         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
24329
24330 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
24331
24332         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
24333         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
24334         the function, temporarily point the debug interface to the null one.
24335
24336 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
24337
24338         * dwarf2out.c (round_up_to_align): New static function.
24339         (field_byte_offset): Use it to round the offset.
24340
24341 2007-02-12  Richard Henderson  <rth@redhat.com>
24342
24343         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
24344         (inswl_const): Export.
24345
24346 2007-02-12  Richard Henderson  <rth@redhat.com>
24347
24348         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
24349         result mode of the libcall, convert back to outmode.
24350
24351 2007-02-12  Roger Sayle  <roger@eyesopen.com>
24352
24353         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
24354         (bswapdi2): New define_expand to implement 32-bit implementation.
24355
24356 2007-02-12  Nick Clifton  <nickc@redhat.com>
24357
24358         * doc/invoke.texi (Overall Options): Document --help=.
24359         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
24360         (cc1_options): Pass --help= on to cc1.
24361         (display_help): Add description of --help=.
24362         (process_command): Add code to handle --help=.  Allow translated
24363         --help and --target-help switches to be passed on to compiler
24364         sub-process.
24365         (main): Remove unused if statement.
24366         * opts.c (columns): Remove.
24367         (LEFT_COLUMN): Define.
24368         (wrap_help): Add columns argument.
24369         (print_filtered_help): Change parameters to be an include bitmask,
24370         an exclude bitmask, an any bitmask and the column width.  Move the
24371         code to display the params list here.  Add code to display the
24372         status of options rather than their descriptions if the quiet flag
24373         is not active.
24374         (print_specific_help): Change parameters to be an include bitmask,
24375         an exclude bitmask and an any bitmask.  Move code to look up the
24376         column width here.  Decide upon the title for an options listing.
24377         (common_handle_options): Add code to handle --help=.  Adapt code
24378         for --help and --target-help to use the revised form of the
24379         print_specific_help function.
24380         (print_help): Delete.
24381         (print_param_help): Delete.
24382         (print_switch): Delete.
24383         * opts.h (cl_lang_count): Add prototype.
24384         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
24385         CL_MAX_OPTION_CLASS): New defines.
24386         * optc-gen.awk: Add construction of cl_lang_count.
24387         * c.opt: Add Warning attribute to warning options and Optimization
24388         attribute to optimization options.
24389         * common.opt: Likewise.
24390         Add --help=.
24391         Add -fhelp and -ftarget-help as aliases for the transformed --help
24392         and --target-help options.
24393         * opt-functions.awk: Add code to handle Warning and Optimization
24394         attributes.
24395
24396 2007-02-12  Richard Henderson  <rth@redhat.com>
24397
24398         * config/alpha/constraints.md: New file.
24399         * config/alpha/alpha.c: Include tm-constrs.h.
24400         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
24401         alpha_extra_constraint): Remove.
24402         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
24403         * config/alpha/alpha-protos.h: Update.
24404         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
24405         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
24406         (EXTRA_CONSTRAINT): Remove.
24407         * config/alpha/alpha.md: Include constraints.md.
24408         (adddi splitter): Use satisfies_constraint_*.
24409         * config/alpha/predicates.md (add_operand): Likewise.
24410         (sext_add_operand, addition_operation): Likewise.
24411
24412 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
24413
24414         PR tree-optimization/29145
24415         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
24416         in our handling of restrict qualified pointers.
24417
24418 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24419
24420         PR middle-end/7651
24421         * doc/invoke.texi (Wunused-value): Update description.
24422         (Wextra): Delete item.
24423         * opts.c (set_Wextra): Don't use the value of Wextra to set the
24424         value of Wunused-value.
24425         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
24426         (c_finish_stmt_expr): Don't check extra_warnings.
24427         (emit_side_effect_warnings): The caller is responsible to check
24428         warn_unused_value.
24429
24430 2007-02-11  Roger Sayle  <roger@eyesopen.com>
24431             Matt Thomas  <matt@3am-software.com>
24432
24433         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
24434
24435 2007-02-11  Roger Sayle  <roger@eyesopen.com>
24436
24437         * simplify-rtx.c (simplify_relational_operation_1): Optimize
24438         comparisons of POPCOUNT against zero.
24439         (simplify_const_relational_operation): Likewise.
24440
24441 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24442
24443         * doc/invoke.texi (Wextra): Delete outdated paragraph.
24444
24445 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24446
24447         * dwarf2out.c (root_type): Delete unused function.
24448
24449 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24450
24451         * genattrtab.c (contained_in_p): Delete unused function.
24452         (write_expr_attr_cache): Likewise.
24453
24454 2007-02-11  Jan Hubicka  <jh@suse.cz>
24455
24456         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
24457         previous patch.
24458
24459 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
24460
24461         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
24462         to add the REG_EQ* note.
24463         * see.c (see_merge_one_use_extension): Likewise.
24464         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
24465         turn REG_EQUAL notes into REG_EQUIV notes if the target
24466         register may have more than one set.
24467         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
24468         * gcse.c (try_replace_reg): Likewise.
24469         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
24470         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
24471         more than one REG_EQUIV note.
24472         * reload1.c (gen_reload): Use set_unique_reg_note.
24473
24474 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
24475
24476         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
24477         (ix86_builtin_conversion): New function.
24478
24479 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
24480
24481         PR target/29487
24482         * tree.h (DECL_REPLACEABLE_P): New macro.
24483         * except.c (set_nothrow_function_flags): Likewise.
24484
24485 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
24486             Ira Rosen  <irar@il.ibm.com>
24487             Dorit Nuzman  <dorit@il.ibm.com>
24488
24489         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
24490         * targhooks.c (default_builtin_vectorized_conversion): New.
24491         * targhooks.h (default_builtin_vectorized_function): New declaration.
24492         * target.h (struct vectorize): Add builtin_conversion field.
24493         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
24494         stmt_vec_info_type value.
24495         (vectorizable_conversion): New declaration.
24496         * tree-vect-analyze.c (vect_analyze_operations): Add
24497         vectorizable_conversion call.
24498         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
24499         * tree-vect-transform.c (vectorizable_conversion): New function.
24500         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
24501         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
24502         mode.
24503         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
24504         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
24505         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
24506         or ALTIVEC_BUILTIN_VCFSX.
24507
24508 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24509
24510         PR target/30634
24511         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
24512         CONST_DOUBLE and operand 0 is a hard register.
24513         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
24514         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
24515         is a hard floating-point register.
24516
24517 2007-02-10  Richard Henderson  <rth@redhat.com>
24518             Jakub Jelinek  <jakub@redhat.com>
24519             Alexandre Oliva  <aoliva@redhat.com>
24520
24521         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
24522         * builtin-types.def (BT_WORD): Make unsigned.
24523         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
24524         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
24525         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
24526         * c-decl.c (grokdeclarator): Don't error if !have_tls.
24527         * c-parser.c (c_parser_omp_threadprivate): Likewise.
24528         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
24529         emulated tls.
24530         * expr.c (emutls_var_address): New.
24531         (expand_expr_real_1): Expand emulated tls.
24532         (expand_expr_addr_expr_1): Likewise.
24533         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
24534         * output.h (emutls_finish): Declare.
24535         * toplev.c (compile_file): Call it.
24536         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
24537         address before wrapping in CONST.
24538         * varasm.c (emutls_htab, emutls_object_type): New.
24539         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
24540         (get_emutls_object_name, get_emutls_object_type): New.
24541         (get_emutls_init_templ_addr, emutls_decl): New.
24542         (emutls_common_1, emutls_finish): New.
24543         (assemble_variable): When emulating tls, swap decls; generate
24544         constructor for the emutls objects.
24545         (do_assemble_alias): When emulating tls, swap decl and target name.
24546         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
24547         for emulated tls.
24548         * varpool.c (decide_is_variable_needed): Look at force_output.
24549         Recurse for emulated tls.
24550         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
24551         with decide_is_variable_needed.
24552         * emutls.c: New file.
24553         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
24554         tls_object for real tls.
24555
24556 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
24557
24558         PR rtl-optimization/29599
24559         * reload1.c (eliminate_regs_in_insn): Take the destination
24560         mode into account when computing the offset.
24561
24562 2007-02-09  Stuart Hastings  <stuart@apple.com>
24563             Richard Henderson  <rth@redhat.com>
24564
24565         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24566         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24567         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
24568         fixuns_truncdfhi2): New.
24569         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
24570         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
24571         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
24572         (floatunssidf2): Allow nonimmediate source.
24573         * config/i386/sse.md (movdi_to_sse): New.
24574         (vec_concatv2di): Drop '*'.
24575         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
24576         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24577         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
24578         New.
24579         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
24580         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24581         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
24582         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
24583         (ix86_build_signbit_mask): Fix decl of v, refactor to call
24584         ix86_build_const_vector.
24585         (x86_emit_floatuns): Rewrite.
24586
24587 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24588
24589         * genautomata.c (longest_path_length): Delete unused function.
24590         (struct state): Delete unused longest_path_length.
24591         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
24592         (get_free_state): Delete unused.
24593
24594 2007-02-09  Jan Hubicka  <jh@suse.cz>
24595
24596         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
24597         * doc/invoke.texi (inline-unit-growth): Update default value.
24598
24599         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
24600         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
24601         (rebuild_cgraph_edges): Likewise.
24602         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
24603         (dump_cgraph_node): Dump frequencies.
24604         (cgraph_clone_edge): Add frequency scales.
24605         (cgraph_clone_node): Add freuqnecy.
24606         * cgraph.h (cgraph_edge): Add freuqnecy argument.
24607         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
24608         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
24609         * tree-pass.h (TODO_rebuild_frequencies): New constant.
24610         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
24611         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
24612         (save_inline_function_body): Likewise.
24613         * ipa-inline.c: inluce rtl.h
24614         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
24615         (cgraph_edge_badness): Use frequencies.
24616         (cgraph_decide_recursive_inlining): Update clonning.
24617         (cgraph_decide_inlining_of_small_function): Dump frequency.
24618         * predict.c (estimate_bb_frequencies): Export.
24619         * predict.h (estimate_bb_frequencies): Declare.
24620         * tree-inline.c (copy_bb): Watch overflows.
24621         (expand_call_inline): Update call of cgraph_create_edge.
24622         (optimize_inline_calls): Use TODO flags to update frequnecies.
24623         * passes.h: Include predict.h
24624         (init_optimization_passes): Move profile ahead.
24625         (execute_function_todo): Handle TODO_rebuild_frequencies.
24626
24627 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24628
24629         * config/alpha/alpha.c (emit_insxl): Force the first operand of
24630         the insbl or inswl pattern into a register.
24631
24632 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24633
24634         * config/ia64/ia64.md (bswapdi2): New define_insn.
24635
24636 2007-02-09  Richard Henderson  <rth@redhat.com>
24637
24638         * config/i386/constraints.md (Ym): New constraint.
24639         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
24640         (movdi_1_rex64): Split sse and xmm general register moves from
24641         memory move alternatives.  Use conditional register constraints.
24642         (movsf_1, movdf_integer): Likewise.
24643         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
24644         (movdf_integer_rex64): New.
24645         (pushsf_rex64): Fix output constraints.
24646         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
24647         (sse2_stored): Likewise.
24648         (sse2_storeq_rex64): New.
24649         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
24650         amd and not generic.
24651         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
24652         for optimize_size.  Remove SF/DFmode hack.
24653
24654 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
24655
24656         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
24657         (bit_SSE4a): New.
24658
24659 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
24660             Richard Sandiford  <richard@codesourcery.com>
24661
24662         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
24663         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
24664         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
24665         m68k/t-mlib to tmake_file.
24666         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
24667         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
24668         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
24669         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
24670         variable is not empty, add t-$m68k_arch_family to tmake_file.
24671         Add t-mlibs to tmake_file.
24672         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
24673         * config/m68k/t-cf: New file.
24674         * config/m68k/t-m68k: Likewise.
24675         * config/m68k/t-mlibs: Likewise.
24676         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24677         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24678         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24679         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24680         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
24681         Delete.
24682         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
24683         (INSTALL_LIBGCC): Delete.
24684         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24685         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24686         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24687         (M68K_MLIB_CPU): Define.
24688         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24689         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24690         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
24691
24692 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
24693             Richard Guenther  <rguenther@suse.de>
24694
24695         PR middle-end/23361
24696         * fold-const.c (fold_comparison): Handle obfuscated comparisons
24697         against INT_MIN/INT_MAX.
24698         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
24699         file if a loop is removed.
24700
24701 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
24702
24703         * calls.c (store_one_arg): Pass correct alignment to
24704         emit_push_insn for non-BLKmode values.
24705         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
24706         unaligned stack slot via a suitably aligned slot.
24707
24708 2007-02-08  DJ Delorie  <dj@redhat.com>
24709
24710         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
24711         warnings.
24712         (legal_subregs): Use unsigned char, make const.
24713         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
24714
24715 2007-02-08  Paul Brook  <paul@codesourcery.com>
24716
24717         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
24718         special interworking needed.
24719
24720 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
24721
24722         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
24723         conditional to __SSE2__.
24724         (Entries below should have been added to first ChangeLog
24725         entry for amdfam10 dated 2007-02-05)
24726         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
24727         defined.
24728         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
24729         defined.
24730         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
24731         defined.
24732
24733 2007-02-08  DJ Delorie  <dj@redhat.com>
24734
24735         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
24736         * config/m32c/m32c.c (legal_subregs): New.
24737         (m32c_illegal_subreg_p): New.
24738         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
24739         unsupported subregs of hard regs.
24740
24741 2007-02-08  Jan Hubicka  <jh@suse.cz>
24742
24743         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
24744         the same one; always update histograms.
24745
24746 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24747
24748         * passes.c (init_optimization_passes): Tidy comment.
24749
24750 2007-02-08  Roger Sayle  <roger@eyesopen.com>
24751
24752         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
24753         strip zero_extend, bswap and rotates from POCOUNT's argument.
24754         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
24755         zero_extend and rotates from PARITY's argument.
24756         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
24757         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
24758         of an integer constant at compile-time.
24759
24760 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24761
24762         PR 30562
24763         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
24764         Update all users.
24765         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
24766         users.
24767         (init_alias_info):
24768         * tree-ssa-live.c (remove_unused_locals): Do not remove
24769         TREE_ADDRESSABLE variables.
24770         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
24771         * tree-ssa-operands.c (add_virtual_operand): Remove argument
24772         FOR_CLOBBER.  Update all users.
24773         If VAR has an associated alias set, add a virtual operand for
24774         it if no alias is found to conflict with the memory reference.
24775
24776 2007-02-07  Jan Hubicka  <jh@suse.cz>
24777             Robert Kidd <rkidd@crhc.uiuc.edu>
24778
24779         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
24780
24781 2007-02-07  Ian Lance Taylor  <iant@google.com>
24782
24783         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
24784
24785 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24786
24787         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
24788         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
24789         tablejumpdi, movsi_to_cr_one): Remove constraints from
24790         define_expand's match_operands.
24791
24792 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24793
24794         * global.c (compute_regsets): Move declatation of "i" inside of
24795         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
24796
24797 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
24798
24799         PR c++/30703
24800         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
24801         of INDIRECT_REF <RESULT_DECL>.
24802
24803         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
24804
24805 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
24806             Kaz Kojima  <kkojima@gcc.gnu.org>
24807
24808         PR target/29746
24809         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
24810         properly.
24811         (sh_initialize_trampoline): Add parentheses to avoid a warning.
24812
24813 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
24814
24815         * doc/loop.texi: Document possibility not to perform disambiguation
24816         of loops with multiple latches.
24817         * cfgloopmanip.c (alp_enum_p): Removed.
24818         (add_loop): Handle subloops.  Use get_loop_body_with_size.
24819         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
24820         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
24821         the new forwarder block.
24822         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
24823         Handle the case latch is NULL.
24824         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
24825         modifications when marking loop exits.
24826         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
24827         be modified.
24828         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
24829         disambiguate_loops_with_multiple_latches.
24830         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
24831         before fix_loop_structure.
24832         * cfgloop.c: Include pointer-set.h and output.h.
24833         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
24834         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
24835         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
24836         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
24837         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
24838         disambiguate_multiple_latches, get_loop_body_with_size,
24839         disambiguate_loops_with_multiple_latches): New functions.
24840         (flow_loop_dump): Dump multiple latch edges.
24841         (flow_loop_nodes_find): Handle loops with multiple latches.
24842         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
24843         (glb_enum_p): Modified.
24844         (get_loop_body): Use get_loop_body_with_size.
24845         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
24846         (AVOID_CFG_MODIFICATIONS): New constant.
24847         (disambiguate_loops_with_multiple_latches, add_loop,
24848         get_loop_body_with_size): Declare.
24849         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
24850
24851 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
24852
24853         PR inline-asm/28686
24854         * global.c (compute_regsets): New function.
24855         (global_alloc): Refactored ELIMINABLE_REGSET
24856         and NO_GLOBAL_ALLOC_REGS computation out.
24857         (rest_of_handle_global_alloc): Call compute_regsets()
24858         for non-optimizing case.
24859
24860 2007-02-06  Richard Henderson  <rth@redhat.com>
24861
24862         * config/i386/constraints.md (Y2): Rename from Y.
24863         (Yi): New constraint.
24864         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
24865         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
24866         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
24867         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
24868         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
24869         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
24870         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
24871         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
24872         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
24873         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
24874         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
24875         vec_extractv2si_1): Change Y constraints to Y2.
24876         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
24877         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
24878         Change Y constraints to Y2.
24879         (sse2_loadld): Change Y constraints to x.
24880
24881 2007-02-06  Roger Sayle  <roger@eyesopen.com>
24882
24883         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
24884         (parity<mode>2): New define_expand using rs6000_emit_parity.
24885         * config/rs6000/rs6000.c (rs6000_emit_popcount,
24886         rs6000_emit_parity): New functions.
24887         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
24888         rs6000_emit_parity): Prototype here.
24889
24890 2007-02-06  Ian Lance Taylor  <iant@google.com>
24891
24892         * lower-subreg.c (simple_move_operand): Reject CONST.
24893         (resolve_clobber): Call validate_change rather than directly
24894         assigning to XEXP (pat, 0).
24895
24896 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24897
24898         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
24899         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
24900         (tree-cfg.o): Remove hashtab.h dependency.
24901
24902         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
24903         (struct ivopts_data): Change niters to pointer_map_t.
24904         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
24905         (niter_for_exit): Create pointer_map on demand.  Change for
24906         pointer_map API.
24907         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
24908         (free_loop_data): Destroy data->niters if created and reset field.
24909         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
24910         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
24911
24912         * tree-ssa-reassoc.c: Include pointer-set.h.
24913         (bb_rank): Change to long *.
24914         (operand_rank): Change to pointer_map_t.
24915         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
24916         (insert_operand_rank): Accept long.
24917         (operand_entry_hash, operand_entry_eq): Remove.
24918         (get_rank): Return long.  Adjust for changes above.
24919         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
24920         and operand_rank.
24921         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
24922
24923         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
24924         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
24925         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
24926         is not NULL.
24927         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
24928         directly since it cannot be NULL.
24929         (get_vi_for_tree): Rewrite for pointer_map API.
24930         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
24931         (init_alias_vars): Create vi_for_tree as pointer_map.
24932         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
24933
24934         * tree-cfg.c: Don't include hashtab.h.
24935         (edge_to_cases): Declare as pointer_map.
24936         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
24937         Delete.
24938         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
24939         (start_recording_case_labels): Create edge_to_cases as pointer_map.
24940         (end_recoding_case_labels): Cleanup edge_to_cases manually before
24941         destroying it.
24942         (record_switch_edge): Delete.
24943         (get_cases_for_edge): Adjust for pointer_map API, inline
24944         record_switch_edge (rewritten for new API), remove goto.
24945
24946 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24947
24948         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
24949         * tree-nested.c: Include pointer-set.h.
24950         (var_map_elt, var_map_eq, var_map_hash): Delete.
24951         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
24952         to pointer_map_t's.
24953         (nesting_info_bitmap_obstack): New.
24954         (lookup_field_for_decl): Adjust for pointer_map API.
24955         (lookup_tramp_for_decl): Adjust for pointer_map API.
24956         (get_nonlocal_debug_decl): Adjust for pointer_map API.
24957         (get_local_debug_decl): Adjust for pointer_map API.
24958         (convert_nl_goto_reference): Adjust for pointer_map API.
24959         (convert_nl_goto_receiver): Adjust for pointer_map API.
24960         (create_nesting_tree): Create outside GGC space.  Create bitmap on
24961         the new obstack.  Create field_map and var_map as pointer_maps.
24962         (free_nesting_tree): Adjust for changes to create_nesting_tree.
24963         (root): Delete.
24964         (lower_nested_functions): Move root here, no need to NULL it.
24965         Initialize and release the obstack.
24966
24967 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
24968
24969         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
24970         Remove prototypes and make them non-static.
24971         (struct tree_int_map): Remove.
24972         * tree.h (struct tree_int_map): Move here, turning TO into an
24973         unsigned int.
24974         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
24975
24976         * tree.h (TREE_COMPLEXITY): Remove.
24977         (struct tree_exp): Remove complexity field.
24978         * tree.c (build1_stat): Don't set it.
24979
24980 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
24981             Victor Kaplansky  <victork@il.ibm.com>
24982
24983         * tree-vectorizer.c (vect_is_simple_use): Support induction.
24984         (vect_is_simple_reduction): Support reduction with induction as
24985         one of the operands.
24986         (vect_is_simple_iv_evolution): Fix formatting.
24987         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
24988         formatting.  Don't mark induction phis for vectorization.
24989         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
24990         * tree-vect-transform.c (get_initial_def_for_induction): New function.
24991         (vect_get_vec_def_for_operand): Support induction.
24992         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
24993         induction case.
24994         (vectorizable_reduction): Support reduction with induction as one of
24995         the operands.
24996         (vectorizable_type_demotion): Use def-type of stmt argument rather
24997         than dummy def-type.
24998
24999         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
25000         flag_tree_scev_cprop.
25001         * common.opt (tree-scev-cprop): New flag.
25002
25003         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
25004         call to vect_get_new_vect_var.
25005
25006 2007-02-06  Ira Rosen  <irar@il.ibm.com>
25007
25008         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
25009         vectype is not NULL.
25010         (vect_pattern_recog_1): Likewise.
25011
25012 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25013
25014         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
25015         (fold_negate_expr): Likewise.
25016
25017 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
25018
25019         PR debug/30189
25020         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
25021         even if cv-qualification is the same.
25022
25023 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
25024
25025         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
25026         __enable_execute_stack on completion.
25027
25028 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25029
25030         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
25031         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
25032         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
25033         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
25034         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
25035         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
25036         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
25037         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
25038
25039 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25040
25041         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
25042         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
25043         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
25044         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
25045         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
25046         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
25047         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
25048         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
25049         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
25050         umuldi3_highpart_rex64, umulsi3_highpart_insn,
25051         umulsi3_highpart_zext, smuldi3_highpart_rex64,
25052         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
25053         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
25054         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
25055         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
25056         sqrtextenddfxf2_i387): Added amdfam10_decode.
25057
25058         * config/i386/athlon.md (athlon_idirect_amdfam10,
25059         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
25060         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
25061         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
25062         athlon_ivector_store_amdfam10): New define_insn_reservation.
25063         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
25064         amdfam10.
25065
25066 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25067
25068         * config/i386/athlon.md (athlon_call_amdfam10,
25069         athlon_pop_amdfam10, athlon_lea_amdfam10): New
25070         define_insn_reservation.
25071         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
25072         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
25073         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
25074
25075 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25076
25077         * config/i386/athlon.md (athlon_sseld_amdfam10,
25078         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
25079         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
25080
25081 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25082
25083         * config/i386/athlon.md (athlon_sseins_amdfam10): New
25084         define_insn_reservation.
25085         * config/i386/i386.md (sseins): Added sseins to define_attr type
25086         and define_attr unit.
25087         * config/i386/sse.md: Set type attribute to sseins for insertq
25088         and insertqi.
25089
25090 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25091
25092         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
25093         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
25094         ssecomi_load_amdfam10, ssecomi_amdfam10,
25095         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
25096         define_insn_reservation.
25097         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
25098
25099 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25100
25101         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
25102         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
25103         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
25104         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
25105         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
25106         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
25107         define_insn_reservation.
25108
25109         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
25110         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
25111         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
25112         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
25113         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
25114
25115 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25116
25117         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
25118         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
25119         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
25120         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
25121         athlon_ssemul_load_k8): Added amdfam10.
25122
25123 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25124
25125         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
25126         (x86_sse_unaligned_move_optimal): New variable.
25127
25128         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
25129         m_AMDFAM10.
25130         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
25131         for unaligned vector SSE double/single precision loads for AMDFAM10.
25132
25133 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25134
25135         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
25136         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
25137         Define TARGET_CPU_DEFAULT_amdfam10.
25138         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
25139         (processor_type): Add PROCESSOR_AMDFAM10.
25140
25141         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
25142         processor_type in config/i386/i386.h.
25143         Enable imul peepholes for TARGET_AMDFAM10.
25144
25145         * config.gcc: Add support for --with-cpu option for amdfam10.
25146
25147         * config/i386/i386.c (amdfam10_cost): New variable.
25148         (m_AMDFAM10): New macro.
25149         (m_ATHLON_K8_AMDFAM10): New macro.
25150         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
25151         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
25152         x86_promote_QImode, x86_integer_DFmode_moves,
25153         x86_partial_reg_dependency, x86_memory_mismatch_stall,
25154         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
25155         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
25156         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
25157         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
25158         Enable/disable for amdfam10.
25159         (override_options): Add amdfam10_cost to processor_target_table.
25160         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
25161         processor_alias_table.
25162         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
25163         (ix86_adjust_cost): Add code for amdfam10.
25164
25165 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25166
25167         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
25168         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
25169         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
25170         * config/i386/i386.h: Add builtin definition for SSE4A.
25171         * config/i386/i386.md: Add support for ABM instructions
25172         (popcnt and lzcnt).
25173         * config/i386/sse.md: Add support for SSE4A instructions
25174         (movntss, movntsd, extrq, insertq).
25175         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
25176         Add -march=amdfam10 flag.
25177         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
25178         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
25179         and amdfam10.
25180         * doc/extend.texi: Add documentation for SSE4A builtins.
25181
25182 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
25183
25184         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
25185
25186 2007-02-05  Richard Guenther  <rguenther@suse.de>
25187
25188         * tree-vectorizer.h (vectorizable_function): Add argument type
25189         argument, change return type.
25190         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
25191         * tree-vect-transform.c (vectorizable_function): Handle extra
25192         argument, return vectorized function decl.
25193         (build_vectorized_function_call): Remove.
25194         (vectorizable_call): Handle calls with result and argument types
25195         differing.  Handle loop vectorization factor correctly.
25196         * targhooks.c (default_builtin_vectorized_function): Adjust for
25197         extra argument.
25198         * targhooks.h (default_builtin_vectorized_function): Likewise.
25199         * target.h (builtin_vectorized_function): Add argument type
25200         argument.
25201         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
25202         extra argument, allow vectorizing of lrintf.
25203         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
25204         documentation of target hook.
25205
25206 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
25207
25208         PR target/30665
25209         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
25210         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
25211         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
25212
25213 2007-02-05  Roger Sayle  <roger@eyesopen.com>
25214
25215         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
25216         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
25217         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
25218         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
25219         before canonicalizing sincos to cexpi.
25220         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
25221
25222 2007-02-05  Roger Sayle  <roger@eyesopen.com>
25223
25224         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
25225         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
25226         (alpha_init_builtins): Use alpha_add_builtins to process tables.
25227
25228 2007-02-05  Roger Sayle  <roger@eyesopen.com>
25229
25230         * mips-tfile.c (initialize_init_file): Correct endianness test.
25231
25232 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
25233
25234         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
25235         the 'y' constraint.
25236
25237 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
25238
25239         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
25240         saves in a PARALLEL before the register assignments.
25241
25242 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
25243
25244         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
25245         DWARF_FRAME_RETURN_COLUMN to be a general register.
25246         * dwarf2out.c (init_return_column_size): New function, split from...
25247         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
25248         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
25249         to be nongeneral registers.
25250         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
25251         integer registers.
25252         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
25253         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
25254
25255 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
25256
25257         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
25258
25259 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
25260
25261         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
25262         (remove_path): Use can_remove_branch_p and remove_branch instead
25263         of loop_delete_branch_edge.
25264         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
25265         (tree_transform_and_unroll_loop): Remove dead branches immediately.
25266         Update profile using scale_dominated_blocks_in_loop.
25267         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
25268         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
25269         (can_remove_branch_p, remove_branch): Declare.
25270         * tree-cfg.c (tree_can_remove_branch_p): New function.
25271         (tree_cfg_hooks): Add tree_can_remove_branch_p.
25272         * cfgrtl.c (rtl_can_remove_branch_p): New function.
25273         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
25274
25275 2007-02-05  Jan Hubicka  <jh@suse.cz>
25276
25277         PR middle-end/30696
25278         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
25279         nodes in cgraph, don't remove offline copy of the function.
25280
25281 2007-02-04  Jan Hubicka  <jh@suse.cz>
25282
25283         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
25284         vectors might cause maybe_lookup_element_for_expr to be called
25285         on non-sra-candidate.
25286
25287 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25288
25289         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
25290         config/bfin/bfin.md, config/bfin/predicates.md: Follow
25291         spelling conventions.
25292
25293 2007-02-04  Richard Guenther  <rguenther@suse.de>
25294
25295         PR middle-end/30636
25296         * fold-const.c (try_move_mult_to_index): Make sure to not
25297         overflow one dimension of a multi-dimensional array access.
25298
25299 2007-02-04  Jan Hubicka  <jh@suse.cz>
25300
25301         * passes.c (init_optimization_passes): Reindent.
25302
25303 2007-02-04  Jan Hubicka  <jh@suse.cz>
25304             Eric Botcazou  <ebotcazou@adacore.com>
25305
25306         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
25307         (execute_fixup_cfg): Break out the abnormal goto code.
25308         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
25309         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
25310         (optimize_inline_calls): Call make_nonlocal_label_edges.
25311
25312 2007-02-04  Jan Hubicka  <jh@suse.cz>
25313
25314         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
25315         true when something was changed.
25316         (rename_ssa_copies): When something was changed, do
25317         TODO_remove_unused_locals.
25318         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
25319         add TODO_remove_unused_locals when instruction was removed.
25320
25321 2007-02-04  Jan Hubicka  <jh@suse.cz>
25322
25323         * ipa-inline.c (try_inline): Improve debug output; work on already
25324         inline edges too.
25325         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
25326         call try_inline for already inlined edges too when flattening;
25327         inline also functions that make callee growth but overall unit size
25328         reduce.
25329
25330 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25331
25332         * config/m32c/bitops.md, config/m32c/jump.md,
25333         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
25334         config/m32r/m32r.h, config/m32r/m32r.md,
25335         config/m32r/predicates.md, config/m68hc11/larith.asm,
25336         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
25337         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
25338         config/mips/mips-protos.h, config/mips/mips.c,
25339         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
25340         config/mn10300/mn10300.h, config/mn10300/predicates.md,
25341         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
25342         spelling conventions.
25343
25344         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
25345         Follow spelling conventions.
25346
25347 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
25348
25349         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
25350         warn about C++0x compatibility.
25351
25352 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25353
25354         * config/h8300/h8300.c, config/h8300/h8300.h,
25355         config/h8300/h8300.md: Follow spelling conventions.
25356
25357 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
25358
25359         PR middle-end/30667
25360         * combine.c (try_combine): Do not substitute source operand
25361         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
25362
25363 2007-02-03  Jan Hubicka  <jh@suse.cz>
25364
25365         PR gcov-profile/30650
25366         * value-prof.c (stringop_block_profile): Fix handling of size counter;
25367         do not divide by zero for never executed counters.
25368         (tree_find_values_to_profile): Fix counters.
25369         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
25370
25371 2007-02-03  Ian Lance Taylor  <iant@google.com>
25372
25373         * lower-subreg.c (simple_move_operand): New static function,
25374         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
25375         operands.
25376         (simple_move): Call simple_move_operand.
25377         (find_decomposable_subregs): Add special handling of MEMs.
25378         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
25379         meaning of return value.  If we see a hard register, test whether
25380         it can store a word_mode value.  Change all callers.
25381
25382 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
25383
25384         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
25385         ftrapv insns and expanders.
25386         (subdi3): Change define_expand operand 1 to arith11_operand, and
25387         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
25388         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
25389         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
25390         respectively.
25391
25392         PR middle-end/30174
25393         * varasm.c (notice_global_symbol): Treat global objects as weak when
25394         flag_shlib is true.
25395
25396 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25397
25398         * emit-rtl.c (dconstpi): Delete.
25399         (dconstsqrt2): New.
25400         (init_emit_once): Delete dconstpi and init dconstsqrt2.
25401         * real.h (dconstpi): Delete.
25402         (dconstsqrt2): New.
25403         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
25404         (fold_builtin_hypot): Likewise.
25405
25406 2007-02-03  Tom Tromey  <tromey@redhat.com>
25407
25408         PR driver/30246
25409         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
25410         -gcoff3, -gxcoff3, -gvms3 implies -dD.
25411
25412 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
25413
25414         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
25415         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
25416         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
25417         config/rs6000/cell.md, config/rs6000/darwin.h,
25418         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
25419         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
25420         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
25421         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
25422         typos.  Follow spelling conventions.
25423         * doc/invoke.texi: Follow spelling conventions.
25424
25425 2007-02-03  Roger Sayle  <roger@eyesopen.com>
25426
25427         * simplify-rtx.c (simplify_relational_operation_1): Implement some
25428         canonicalization transformations that attempt to simplify integer
25429         constant comparisons to become comparisons against zero.
25430
25431 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25432
25433         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
25434         fabs(x)*sqrt(2).
25435         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
25436         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
25437
25438 2007-02-02  Mike Stump  <mrs@apple.com>
25439
25440         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
25441         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
25442         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
25443         generate a branch island.
25444
25445 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
25446
25447         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
25448         (xtensa_legitimate_address_p): New.
25449         (xtensa_legitimize_address): New.
25450         (xtensa_output_addr_const_extra): New.
25451         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
25452         (BASE_REG_P): New.
25453         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
25454         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
25455         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
25456         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
25457         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
25458         (xtensa_legitimize_address): New.
25459         (xtensa_output_addr_const_extra): New.
25460
25461 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
25462
25463         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
25464
25465 2007-02-02  Ian Lance Taylor  <iant@google.com>
25466
25467         * expmed.c (expand_divmod): Add comment.
25468
25469 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
25470
25471         * emit-rtl.c (renumber_insns): Remove.
25472         * flags.h: Remove the extern for flag_renumber_insns.
25473         * rtl.h: Remove the prototype for renumber_insns.
25474         * toplev.c (flag_renumber_insns): Remove.
25475
25476 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
25477
25478         Revert for x86 darwin:
25479         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
25480
25481         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
25482         code before the following patch under TARGET_MACHO.
25483         (ix86_function_value_regno_p): Likewise.
25484
25485 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25486
25487         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
25488         COMPLEX_EXPR.
25489
25490 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
25491
25492         PR target/29682
25493         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
25494         loads to general or fp registers.  Add comments.
25495         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
25496
25497 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
25498
25499         * pointer-set.c (insert_aux): Only return insertion slot.
25500         (pointer_set_insert): Adjust.
25501         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
25502         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
25503         pointer_map_traverse): New.
25504         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
25505         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
25506         pointer_map_contains, pointer_map_traverse): Declare.
25507
25508 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
25509
25510         PR middle-end/30473
25511         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
25512         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
25513
25514 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
25515
25516         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
25517
25518         (struct _dep): New type.
25519         (dep_t): New typedef.
25520         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
25521         (DEP_STATUS): New access macro.  The macro with the same name was
25522         renamed to DEP_LINK_STATUS.
25523         (dep_init): Declare function
25524
25525         (struct _dep_link): New type.
25526         (dep_link_t): New typedef.
25527         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
25528         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
25529         (DEP_LINK_STATUS): New macro.
25530         (debug_dep_links): New debug function.
25531
25532         (struct _deps_list): New type.
25533         (deps_list_t): New typedef.
25534         (DEPS_LIST_FIRST): New access macro.
25535         (FOR_EACH_DEP_LINK): New cycle macro.
25536         (create_deps_list, free_deps_list, delete_deps_list): Declare
25537         functions.
25538         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
25539         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
25540         (copy_deps_list_change_con): Ditto.
25541
25542         (move_dep_link): Declare function.
25543
25544         (struct _dep_node): New type.
25545         (dep_node_t): New typedef.
25546         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
25547
25548         (struct haifa_insn_data.back_deps): New field to hold backward
25549         dependencies of the insn.
25550         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
25551         to deps_list_t.
25552         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
25553         Change its type to deps_list_t.
25554         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
25555         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
25556         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
25557
25558         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
25559
25560         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
25561
25562         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
25563         and all callers.
25564         (dep_cost): Declare.
25565
25566         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
25567         (ds_to_dk, dk_to_ds): New functions.
25568
25569         (init_dep_1): New static function.
25570         (init_dep): New function.
25571         (copy_dep): New static function.
25572
25573         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
25574         functions.
25575         (detach_dep_link): New static function.
25576         (move_dep_link): New function.
25577
25578         (dep_links_consistent_p, dump_dep_links): New static functions.
25579         (debug_dep_links): New debugging function.
25580
25581         (deps_obstack, dl_obstack, dn_obstack): New static variables.
25582
25583         (alloc_deps_list, init_deps_list): New static functions.
25584         (create_deps_list): New function.
25585         (clear_deps_list): New static function.
25586         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
25587         (deps_list_consistent_p, dump_deps_list): New static functions.
25588         (debug_deps_list): New function.
25589         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
25590         functions.
25591         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
25592
25593         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
25594         use new scheduler dependencies lists.
25595         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
25596         (sched_analyze): Ditto.  Initialize dependencies lists.
25597         (add_forw_dep, compute_forward_dependences): Update to use new
25598         scheduler dependencies lists.
25599
25600         (init_dependency_caches): Init deps_obstack.
25601         (free_dependency_caches): Free deps_obstack.
25602
25603         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
25604         new scheduler dependencies lists.
25605         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
25606         (add_back_forw_dep, delete_back_forw_dep): Ditto.
25607
25608         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
25609         Update to use new scheduler dependencies lists.
25610         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
25611         (debug_dependencies): Ditto.
25612         (schedule_region): Update comments.
25613
25614         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
25615         scheduler dependencies lists.
25616         (schedule_ebb): Update comments.
25617
25618         * rtl.def (DEPS_LIST): Remove.
25619
25620         * lists.c (unused_deps_list): Remove.
25621         (free_list): Update assertions.
25622
25623         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
25624         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25625
25626         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
25627         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25628
25629         * haifa-sched.c (comments): Update.
25630         (insn_cost1): Remove.  Inline the code into insn_cost ().
25631         (insn_cost): Update to use new scheduler dependencies lists.  Move
25632         processing of the dependency cost to dep_cost ().
25633         (dep_cost): New function.  Use it instead of insn_cost () when
25634         evaluating cost of the dependency.  Use compatible interface to
25635         interact with the target.
25636         (priority): Update to use new scheduler dependencies lists.
25637         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
25638         with greater number of insns that depend on the insn.
25639         (schedule_insn): Update to use new scheduler dependencies lists.  Add
25640         code to free backward dependencies lists.  Inline and optimize code
25641         from resolve_dep () - see PR28071.
25642         (ok_for_early_queue_removal): Update to use new scheduler dependencies
25643         lists.  Update call to targetm.sched.is_costly_dependence hook.
25644
25645         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
25646         scheduler dependencies lists.
25647
25648         (resolve_dep): Remove.  Move the logic to schedule_insn ().
25649         (init_h_i_d): Initialize dependencies lists.
25650
25651         (process_insn_depend_be_in_spec): Rename to
25652         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
25653         dependencies lists.
25654         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
25655         Update to use new scheduler dependencies lists.
25656         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
25657
25658         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
25659         new scheduler dependencies lists.
25660         (build_intra_loop_deps): Ditto.
25661
25662         * target.h (struct _dep): Declare to use in
25663         gcc_target.sched.is_costly_dependence.
25664         (struct gcc_target.sched.adjust_cost): Fix typo.
25665         (struct gcc_target.sched.is_costly_dependence): Change signature to
25666         use single dep_t parameter instead of an equivalent triad.
25667         (struct gcc_target.sched.adjust_cost_2): Remove.
25668
25669         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
25670
25671         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
25672
25673         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
25674         documentation.
25675         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
25676
25677         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
25678         (REG_DEP_TRUE): Document.
25679
25680         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
25681         Change signature to correspond to the targetm.sched.adjust_cost hook.
25682         Update use in TARGET_SCHED_ADJUST_COST_2.
25683         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
25684         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
25685         new scheduler dependencies lists.
25686         (ia64_gen_check): Ditto.
25687
25688         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
25689         scheduler dependencies lists.
25690
25691         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
25692         signature to correspond to the targetm.sched.is_costly_dependence hook.
25693         (is_costly_group): Update to use new scheduler dependencies lists.
25694
25695         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
25696         instead of INSN_COST () macro.
25697
25698 2007-02-01  Ian Lance Taylor  <iant@google.com>
25699
25700         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
25701
25702 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
25703
25704         * pa.md (tp_load): Correct mfctl instruction syntax.
25705
25706 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
25707
25708         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
25709         altivec_padding_size calculation on AIX.  Improve comment, add
25710         assert to verify that it's right.
25711
25712         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
25713         64-bit.
25714
25715 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
25716
25717         PR inline-asm/28686
25718         * global.c (global_alloc): Add mising initialization of
25719         ELIMINABLE_REGSET.
25720
25721 2007-02-01  Roger Sayle  <roger@eyesopen.com>
25722
25723         * alias.c (init_alias_analysis): Correct whitespace.
25724         * bb-reorder.c (fix_edges_for_rarely_executed_code,
25725         partition_hot_cold_basic_blocks): Likewise.
25726         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
25727         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
25728         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
25729         fold_builtin_snprintf_chk, fold_builtin_printf,
25730         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
25731         do_mpfr_arg3, do_mpfr_sincos): Likewise.
25732         * cfgcleanup.c (cleanup_cfg): Likewise.
25733         * cfgexpand.c (tree_expand_cfg): Likewise.
25734         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
25735         * function.c (get_next_funcdef_no): Likewise.
25736         * gengtype.c (main): Likewise.
25737         * genmodes.c (main): Likewise.
25738         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
25739         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
25740         * ifcvt.c (noce_emit_move_insn): Likewise.
25741         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
25742         Likewise.
25743         * stor-layout.c (get_best_mode): Likewise.
25744         * tree-ssa-loop-niter.c (get_val_for): Likewise.
25745         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
25746         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
25747         perform_var_substitution, solve_graph): Likewise.
25748         * tree-vrp.c (vrp_finalize): Likewise.
25749
25750 2007-02-01  Ian Lance Taylor  <iant@google.com>
25751
25752         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
25753         high part of a paradoxical subreg, return a constant zero.
25754
25755 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
25756
25757         * toplev.c (lang_dependent_init): Call init_set_costs.
25758         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
25759
25760 2007-02-01  Richard Guenther  <rguenther@suse.de>
25761
25762         PR middle-end/30656
25763         * fold-const.c (fold_negate_expr): Allow negating a
25764         constant if overflow does not change.
25765
25766 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25767
25768         * doc/c-tree.texi (Expression trees): Improve markup.
25769         * doc/tm.texi (Register Classes, Addressing Modes)
25770         (Floating Point): Fix spacing after abbreviations.  Fix some
25771         typos.
25772
25773 2007-02-01  Ben Elliston  <bje@au.ibm.com>
25774
25775         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
25776         * doc/contrib.texi: Likewise.
25777         * doc/install.texi: Likewise.
25778
25779 2007-01-31  Richard Henderson  <rth@redhat.com>
25780             Ian Lance Taylor  <iant@google.com>
25781
25782         * lower-subreg.c: New file.
25783         * rtl.def (CONCATN): Define.
25784         * passes.c (init_optimization_passes): Add pass_lower_subreg and
25785         pass_lower_subreg2.
25786         * emit-rtl.c (update_reg_offset): New static function, broken out
25787         of gen_rtx_REG_offset.
25788         (gen_rtx_REG_offset): Call update_reg_offset.
25789         (gen_reg_rtx_offset): New function.
25790         * regclass.c: Revert patch of 2006-03-05, restoring
25791         reg_scan_update.
25792         (clear_reg_info_regno): New function.
25793         * dwarf2out.c (concatn_loc_descriptor): New static function.
25794         (loc_descriptor): Handle CONCATN.
25795         * common.opt (fsplit_wide_types): New option.
25796         * opts.c (decode_options): Set flag_split_wide_types when
25797         optimizing.
25798         * timevar.def (TV_LOWER_SUBREG): Define.
25799         * rtl.h (gen_reg_rtx_offset): Declare.
25800         (reg_scan_update): Declare.
25801         * regs.h (clear_reg_info_regno): Declare.
25802         * tree-pass.h (pass_lower_subreg): Declare.
25803         (pass_lower_subreg2): Declare.
25804         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
25805         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
25806         -fsplit-wide-types.
25807         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
25808         * Makefile.in (OBJS-common): Add lower-subreg.o.
25809         (lower-subreg.o): New target.
25810
25811 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25812
25813         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
25814
25815 2007-01-31  Anatoly Sokolov <aesok@post.ru>
25816
25817         PR target/19087
25818         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
25819
25820 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25821
25822         PR middle-end/29335
25823         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
25824
25825 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
25826
25827         * cfgloop.h: Include vec-prim.h.
25828         (enum li_flags): Remove LI_ONLY_OLD.
25829         (loop_iterator): Changed.
25830         (fel_next, fel_init): Iterate over loop tree.
25831         (FOR_EACH_LOOP_BREAK): New macro.
25832         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
25833         FOR_EACH_LOOP.
25834         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
25835         * modulo-sched.c (sms_schedule): Ditto.
25836         * tree-vectorizer.c (vectorize_loops): Ditto.
25837         * doc/loop.texi: Update information on loop numbering and behavior of
25838         FOR_EACH_LOOP wrto new loops.
25839         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
25840         add_to_evolution_1): Test nestedness of loops instead of comparing
25841         their numbers.
25842         * tree-chrec.c (chrec_fold_plus_poly_poly,
25843         chrec_fold_multiply_poly_poly, chrec_evaluate,
25844         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
25845         reset_evolution_in_loop): Ditto.
25846         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
25847
25848 2007-01-31  Dirk Mueller  <dmueller@suse.de>
25849
25850         * c-common.c (warn_about_parentheses): Separate warning about
25851         un-parenthized sequence of comparison operators from the one
25852         which is supposed to warn about x <= y <= z.
25853
25854 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
25855
25856         * optabs.h (enum optab_index): Add new OTI_isinf.
25857         (isinf_optab): Define corresponding macro.
25858         * optabs.c (init_optabs): Initialize isinf_optab.
25859         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
25860         patterns.
25861         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
25862         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
25863         using isinf_optab.
25864         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
25865         expand_builtin_interclass_mathfn.
25866         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
25867         * config/i386/i386.md (UNSPEC_FXAM): New constant.
25868         (fxam<mode>2_i387): New insn pattern.
25869         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
25870         built-in functions as x87 inline asm.
25871
25872 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25873
25874         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
25875
25876 2007-01-30  Eric Christopher  <echristo@apple.com>
25877
25878         * config.gcc: Add geode.
25879
25880 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25881
25882         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
25883         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
25884         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
25885         value-prof.c: Fix comment typos.
25886
25887 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25888
25889         PR c++/24745
25890         * doc/invoke.texi (Wpointer-arith): Document warning.
25891
25892 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
25893
25894         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
25895         the list of discrepancies from the draft TR.
25896
25897 2007-01-30  Dirk Mueller  <dmueller@suse.de>
25898
25899         PR c++/30601
25900         * doc/invoke.texi (-Wreturn-type): Update description to
25901         match new behavior.
25902
25903 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
25904
25905         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
25906
25907 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
25908
25909         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
25910         to handle optabs that operate on floating point input argument and
25911         output to integer output.
25912         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
25913         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
25914         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
25915         expand_builtin_interclass_mathfn ().
25916         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
25917         (ilogbsi2): Remove.
25918         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
25919         ilogbl built-in functions as x87 intrinsics.
25920
25921 2007-01-30  Richard Guenther  <rguenther@suse.de>
25922
25923         PR middle-end/27657
25924         * dwarf2out.c (reference_to_unused): Query varpool if the
25925         variable was output.
25926
25927 2007-01-30  Richard Guenther  <rguenther@suse.de>
25928
25929         PR middle-end/30313
25930         * passes.c (execute_one_pass): Reset in_gimple_form to not
25931         confuse non-unit-at-a-time mode.
25932
25933 2007-01-29  Roger Sayle  <roger@eyesopen.com>
25934             Richard Guenther  <rguenther@suse.de>
25935
25936         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
25937         avoid undefined behaviour on overflow.  Use force_fit_type_double
25938         to construct the constant with the specified TREE_OVERFLOW.
25939
25940 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25941
25942         * config/dfp-bit.c: Add parameterized support for fp exceptions.
25943         * config/dfp-bit.h: Ditto.
25944
25945 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25946
25947         * c-decl.c (pop_scope): Replace warnings with call to
25948         warn_for_unused_label.
25949         * c-common.h (warn_for_unused_label): Declare.
25950         * c-common.c (warn_for_unused_label): Define.
25951
25952 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25953
25954         * tree-optimize.c (update_inlined_to_pointers): Delete unused
25955         function.
25956
25957 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25958
25959         * Makefile.in (USER_H): Remove decfloat.h.
25960         * ginclude/decfloat.h: Delete, moving contents to ...
25961         * ginclude/float.h: Add support for decimal floating point,
25962         guarded by __STDC_WANT_DEC_FP__.
25963
25964 2007-01-29  Mike Stump  <mrs@apple.com>
25965
25966         * doc/gccint.texi (Top): Rename Loop Representation to Loop
25967         Analysis and Representation to resolve case insensitive conflict.
25968         * doc/loop.texi (Loop Analysis and Representation): Likewise.
25969
25970 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
25971
25972         * tree.h (struct tree_memory_tag): Add aliases member.
25973         (MTAG_ALIASES): New macro.
25974         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
25975         (add_may_alias): Remove pointer-set. Update for may_aliases being
25976         a bitmap.
25977         (mark_aliases_call_clobbered): Update for may_aliases being a
25978         bitmap.
25979         (compute_tag_properties): Ditto.
25980         (create_partition_for): Ditto.
25981         (compute_memory_partitions): Ditto.
25982         (dump_may_aliases_for): Ditto.
25983         (is_aliased_with): Ditto.
25984         (add_may_alias_for_new_tag): Ditto.
25985         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
25986         (compute_is_aliased): New function.
25987         (compute_may_aliases): Call compute_is_aliased).
25988         (init_alias_info): Initialize alias_bitmap_obstack.
25989         (union_alias_set_into): New function.
25990         (compute_flow_sensitive_aliasing): Use union_aliases_into.
25991         (have_common_aliases_p): Rewrite to take two bitmaps and use
25992         intersection.
25993         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
25994         Update for bitmaps.
25995         (finalize_ref_all_pointers): Update for add_may_alias changes.
25996         (new_type_alias): Ditto.
25997         * tree-flow-inline.h (may_aliases): Return a bitmap.
25998         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
25999         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
26000         may_aliases being a bitmap.
26001         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
26002         may_aliases now returns a bitmap.
26003         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
26004         being a bitmap.
26005         * tree-ssa-operands.c (add_virtual_operand): Update for
26006         may_aliases being a bitmap.
26007
26008 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
26009
26010         PR tree-optimization/30630
26011         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
26012         variable as changed.
26013
26014 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
26015
26016         PR c++/28266
26017         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
26018         expanded only once even if an error occurs.
26019
26020 2007-01-29  Ben Elliston  <bje@au.ibm.com>
26021
26022         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
26023         (__gcov_average_profiler): Likewise.
26024         (__gcov_ior_profiler): Likewise.
26025         (__gcov_merge_ior): Likewise.
26026
26027 2007-01-28  Jan Hubicka  <jh@suse.cz>
26028
26029         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
26030         * value-prof.c (stringop_block_profile): Likewise.
26031
26032 2007-01-28  Jan Hubicka  <jh@suse.cz>
26033
26034         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
26035         Add variant handling histograms; add wrapper.
26036         (clear_storage_via_libcall): Export.
26037         (emit_block_move_hints): Break out from ...; add histograms.
26038         (emit_block_move): ... this one.
26039         (clear_storage_hints): Break out from ...; add histograms.
26040         (clear_storage): ... this one.
26041         (set_storage_via_memset): Handle histogram.
26042         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
26043         (clear_storage_hints, clear_storage_via_libcall): Declare.
26044         (set_storage_via_setmem): Update prototype.
26045         * doc/md.texi (movmem, setmem): Document new arguments.
26046
26047         * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
26048         Add new histograms.
26049         (stringop_block_profile): New global function.
26050         (tree_stringops_values_to_profile): Profile block size and alignment.
26051         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
26052         HIST_TYPE_IOR.
26053         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
26054         (stringop_block_profile): Declare.
26055         * builtins.c: Include value-prof.h.
26056         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
26057         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
26058         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
26059         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
26060         * profile.c (instrument_values): Add new counters.
26061         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
26062         calls.
26063         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
26064         (tree_init_edge_profiler): Build new profilers.
26065         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
26066         (pass_tree_profile): Add dump.
26067         (tree_profile_hooks): Update.
26068         * Makefile.in (LIBGCOV): Add new constants.
26069         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
26070         __gcov_ior_profiler): New.
26071         * i386.md (movmem/setmem expanders): Add new optional arguments.
26072
26073 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
26074
26075         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
26076
26077 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
26078
26079         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
26080         (tree_unswitch_single_loop): Pass eni_size_weights to
26081         tree_num_loop_insns.
26082         * tree-ssa-loop-manip.c: Include tree-inline.h.
26083         (can_unroll_loop_p): Pass eni_size_weights to
26084         tree_num_loop_insns.
26085         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
26086         Pass eni_size_weights to estimate_num_insns.
26087         * tree.h (init_inline_once): Export.
26088         * toplev.c (backend_init): Call init_inline_once.
26089         * cgraphunit.c (cgraph_process_new_functions,
26090         cgraph_analyze_function): Pass eni_inlining_weights to
26091         estimate_num_insns.
26092         * ipa-inline.c (compute_inline_parameters): Ditto.
26093         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
26094         to estimate_num_insns.
26095         (try_unroll_loop_completely): Pass eni_size_weights to
26096         tree_num_loop_insns.
26097         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
26098         ot estimate_num_insns.
26099         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
26100         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
26101         * tree-inline.c (eni_inlining_weights, eni_size_weights,
26102         eni_time_weights): New variables.
26103         (init_inline_once): Initialize them.
26104         (struct eni_data): Mew.
26105         (estimate_num_insns_1, estimate_num_insns): Use weights.
26106         * tree-inline.h (struct eni_weights_d): New.
26107         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
26108         (estimate_num_insns): Declaration changed.
26109         * cfgloop.h (tree_num_loop_insns): Declaration changed.
26110         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
26111         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
26112
26113 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
26114
26115         * tree-data-ref.c (conflict_fn): Assert that the number of affine
26116         relations in the conflict function is valid.
26117
26118 2007-01-27  Ian Lance Taylor  <iant@google.com>
26119
26120         * common.opt: Add fstrict-overflow.
26121         * opts.c (decode_options): Set flag_strict_overflow if -O2.
26122         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
26123         (TYPE_OVERFLOW_UNDEFINED): Define.
26124         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
26125         Replace all uses.
26126         * tree.h (TYPE_TRAP_SIGNED): Don't define.
26127         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
26128         (fold_negate_expr): Likewise.
26129         (make_range): Likewise.
26130         (extract_muldiv_1): Likewise.
26131         (maybe_canonicalize_comparison): Likewise.
26132         (fold_comparison): Likewise.
26133         (fold_binary): Likewise.
26134         (tree_expr_nonnegative_p): Likewise.
26135         (tree_expr_nonzero_p): Likewise.
26136         * tree-vrp.c (compare_values): Likewise.
26137         (extract_range_from_binary_expr): Likewise.
26138         (extract_range_from_unary_expr): Likewise.
26139         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
26140         Likewise.
26141         (nowrap_type_p): Likewise.
26142         * tree-scalar-evolution.c (simple_iv): Likewise.
26143         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
26144         (build_range_check): Likewise.
26145         (extract_muldiv_1): Likewise.
26146         (fold_comparison): Likewise.
26147         * tree-vrp.c (vrp_int_const_binop): Likewise.
26148         (extract_range_from_unary_expr): Likewise.
26149         * convert.c (convert_to_integer): Likewise.
26150         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
26151         (fold_comparison): Likewise.
26152         (fold_binary): Likewise.
26153         * optabs.c (optab_for_tree_code): Likewise.
26154         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
26155         * simplify-rtx.c (simplify_const_relational_operation): Check
26156         flag_strict_overflow and flag_trapv.
26157         (simplify_const_relational_operation): Likewise.
26158         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
26159         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
26160         -fstrict-overflow.
26161
26162 2007-01-27  Roger Sayle  <roger@eyesopen.com>
26163
26164         * tree.c (tree_fold_gcd): Delete.
26165         * tree.h (tree_fold_gcd): Remove prototype.
26166         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
26167         test whether one constant integer is a multiple of another.  Instead
26168         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
26169         * fold-const.c (multiple_of_p): We've determined both TOP and
26170         BOTTOM are integer constants so we can call int_const_binop directly
26171         instead of the more generic const_binop.
26172
26173 2007-01-27  Roger Sayle  <roger@eyesopen.com>
26174
26175         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
26176         1*X check that the constant hasn't overflowed, to preserve the
26177         TREE_OVERFLOW bit.
26178         (round_up): Provide an efficient implementation when rouding-up an
26179         INTEGER_CST to a power-of-two.
26180
26181 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
26182
26183         * doc/sourcebuild.texi: Add comma for clarity.
26184         * doc/extend.texi: Fix some typos.
26185         * doc/passes.texi: Likewise.
26186         * doc/cppinternals.texi: Likewise.
26187         * doc/c-tree.texi: Likewise.
26188         * doc/tree-ssa.texi: Likewise.
26189         * doc/install.texi: Likewise.
26190
26191 2007-01-27  Jan Hubicka  <jh@suse.cz>
26192
26193         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
26194         (pass_sra): Do not require alias information.
26195         * passes.c (init_optimization_passes): Add SRA
26196
26197 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
26198
26199         * tracer.c (rest_of_handle_tracer): We already cleaned
26200         up the CFG in tracer() so don't do it here again.
26201         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
26202         cleanup_cfg here, either.  And don't call renumber_insns.
26203
26204         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
26205         and BB_HEAD are in the insn stream here.  Instead make sure
26206         that BB_INSN is valid on all insns.  Also, do check here that
26207         there are no pending branch predictions...
26208         (rtl_verify_flow_info): ...instead of doing it here.  Checks
26209         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
26210         here.
26211
26212 2007-01-26  Roger Sayle  <roger@eyesopen.com>
26213
26214         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
26215         function to simplify/factorize operand order canonicalization.
26216         (ix86_fixup_binary_operands): Reorganize using the above function.
26217         (ix86_binary_operator_ok): Likewise.
26218
26219 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
26220
26221         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
26222         file scope from optimize_attrs.
26223         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
26224         up search.
26225         (optimize_attrs): Clear insn_code_values after freeing it.
26226
26227 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
26228
26229         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
26230         a parts.base assignment.
26231
26232 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
26233
26234         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
26235         (compute_subscript_distance, initialize_data_dependence_relation,
26236         finalize_ddr_dependent, analyze_ziv_subscript,
26237         analyze_siv_subscript_cst_affine,
26238         compute_overlap_steps_for_affine_univar,
26239         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
26240         analyze_siv_subscript, analyze_miv_subscript,
26241         analyze_overlapping_iterations, subscript_dependence_tester_1,
26242         compute_self_dependence, free_dependence_relation): Work
26243         with affine_fn instead of chrecs.
26244         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
26245         common_affine_function, affine_function_base,
26246         affine_function_constant_p, affine_fn_op, affine_fn_plus,
26247         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
26248         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
26249         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
26250         (all_chrecs_equal_p): Removed.
26251         * tree-data-ref.h (affine_fn, conflict_function): New types.
26252         (struct subscript): Change type of conflicting_iterations_in_a
26253         and conflicting_iterations_in_b.
26254
26255 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
26256
26257         PR other/30182
26258         * config/pa/pa.h (TARGET_HPUX_11): New.
26259         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
26260         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
26261
26262 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
26263         Richard Guenther  <rguenther@suse.de>
26264
26265         * tree-ssa-structalias.c (solve_graph): Handle case
26266         we merged the variable to another.
26267
26268 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26269
26270         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
26271         functions.
26272
26273         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
26274         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
26275
26276 2007-01-25  DJ Delorie  <dj@redhat.com>
26277
26278         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
26279         allow changes to modes which don't fit in those registers.
26280
26281         * reload1.c (choose_reload_regs): Check for invalid subregs before
26282         computing their locations, not after.
26283
26284 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
26285
26286         PR 25127
26287         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
26288         save Altivec registers in an eh_return function.
26289         (compute_vrsave_mask): Likewise.
26290         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
26291         for saving Altivec registers.
26292         (rs6000_emit_prologue): Don't allocate stack twice in
26293         eh_return function.  Correct expected value of altivec_save_offset
26294         when using save_world.  Describe save of R0 to stack when using
26295         save_world.  Describe stack pointer adjustment when using
26296         save_world.  Remove duplicated eh_return parameter register saving.
26297         Update sp_offset variable after save_world.
26298         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
26299         darwin-world.asm.
26300         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
26301         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
26302         implies Altivec.
26303
26304 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
26305
26306         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
26307
26308 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
26309
26310         PR other/30182
26311         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
26312         * config/ia64/ia64.c (ia64_init_builtins): Ditto.
26313
26314 2007-01-25  Richard Guenther  <rguenther@suse.de>
26315
26316         * doc/invoke.texi (-Wcoverage-mismatch): Document.
26317         * common.opt (-Wcoverage-mismatch): New warning option.
26318         * coverage.c (get_coverage_counts): Ignore coverage mismatch
26319         if -Wcoverage-mismatch is given.
26320
26321 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
26322
26323         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
26324         (ipcp_driver): Change to static definition.
26325         Add dumping of the ifunctions.
26326         (constant_val_insert): Remove unused parameter. Support for SSA.
26327         (ipcp_propagate_const): Support for SSA.
26328         (ipcp_profile_bb_print): Print only analyzed nodes.
26329         (ipcp_replace_map_create): Remove support for Fortran constant
26330         for now.
26331         * ipa-prop.c (ipa_method_modify_stmt,
26332         ipa_callsite_compute_param): Support for SSA.
26333         * ipa-prop.h (ipcp_driver): Remove declaration.
26334         (IS_VALID_TREE_MAP_INDEX): Add define.
26335
26336 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
26337
26338         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
26339
26340 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26341
26342         PR middle-end/30447
26343         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
26344         constant argument to cabs and do it without checking for
26345         -funsafe-math-optimizations.
26346
26347 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
26348
26349         * c-common.h (RID_FIRST_CXX0X): New.
26350         (RID_LAST_CXX0X): New.
26351         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
26352         by -Wall.
26353         * c.opt (Wc++0x-compat): New.
26354         * doc/invoke.texi (-Wc++0x-compat): Document.
26355
26356 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26357
26358         * builtins.c (fold_builtin_carg): New.
26359         (fold_builtin_1): Use it.
26360
26361 2007-01-24  Jan Hubicka  <jh@suse.cz>
26362
26363         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
26364
26365         * ipa-inline.c (initial_insns, max_insns): Delete.
26366         (compute_max_insns): New function.
26367         (cgraph_decide_inlining_of_small_function): Use it; take minimal
26368         amount of insns as base for code growth.
26369         (cgraph_decide_inlining): Make initial_insns local; do not compute
26370         max_insns.
26371         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
26372         * doc/invoke.texi (inline-unit-growth): Update docs.
26373
26374 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
26375
26376         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
26377         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
26378         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
26379         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
26380         for CPUs that have PTA_CX16 set.
26381
26382         PR middle-end/27416
26383         * gimplify.c (omp_check_private): New function.
26384         (gimplify_scan_omp_clauses): Use it for
26385         firstprivate/lastprivate/reduction.
26386
26387         PR middle-end/30494
26388         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
26389         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
26390
26391         PR middle-end/30421
26392         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
26393         If lower_lastprivate_clauses emits some statements, append them
26394         to dlist rather than body_p and to body_p append an initializer.
26395         (lower_omp_for): Adjust caller.
26396
26397 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
26398
26399         * target.h (globalize_decl_name): New.
26400         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
26401         * output.h (default_globalize_decl_name): New.
26402         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
26403         globalize_label.
26404         (globalize_decl): Ditto.
26405         (default_globalize_decl_name): New.
26406         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
26407         (ia64_handle_version_id_attribute): New.
26408         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
26409         (ia64_asm_output_external): Use globalize_decl_name instead
26410         of globalize_label.
26411         * doc/extend.texi (version_id): New pragma.
26412         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
26413
26414 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
26415
26416         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
26417         _uleb128_t and _Unwind_SWord with _sleb128_t.
26418         * unwind-dw2.c (extract_cie_info, execute_stack_op,
26419         execute_cfa_program, uw_frame_state_for, uw_update_context_1):
26420         Likewise.
26421         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
26422         * unwind-pe.h (read_uleb128, read_sleb128,
26423         read_encoded_value_with_base): Likewise.
26424         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
26425
26426 2007-01-24  Richard Guenther  <rguenther@suse.de>
26427
26428         * builtins.c (expand_builtin_cexpi): Get the fndecl
26429         for cexp in the correct way.
26430
26431 2007-01-24  Jan Hubicka  <jh@suse.cz>
26432
26433         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
26434         of calls.
26435
26436 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
26437
26438         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
26439         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
26440         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
26441         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
26442         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
26443         __SIZEOF_PTRDIFF_T__.
26444         * doc/cpp.texi: Documentation for the new builtin macros added.
26445
26446 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
26447
26448         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
26449         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
26450         instead of operands[2] to avoid access past the end of array.
26451
26452 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
26453
26454         * reload1.c (emit_reload_insns): Pass the reload register
26455         for a non-spill output reload through forget_old_reloads_1.
26456
26457 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
26458
26459         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
26460         _SOFT_DOUBLE if doubles use software floating-point.
26461         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
26462         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
26463         * config/rs6000/darwin-ldouble.c: Also compile functions for
26464         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
26465         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
26466         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
26467         commented-out long double override.
26468         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
26469         * config/rs6000/eabispe.h: Likewise.
26470         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
26471         long double for non-SPE.
26472         (rs6000_handle_option): Likewise.
26473         (invalid_e500_subreg): Disallow more subregs involding DImode,
26474         DFmode, TImode or TFmode.
26475         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
26476         E500 double.
26477         (legitimate_lo_sum_address_p): Also check for TFmode for E500
26478         double.
26479         (rs6000_legitimize_address): Also handle TFmode for E500 double.
26480         (rs6000_legitimize_reload_address): Also handle TFmode for E500
26481         double.
26482         (rs6000_legitimate_address): Also check for TFmode for E500
26483         double.
26484         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
26485         (spe_build_register_parallel): Handle TFmode and TCmode.
26486         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
26487         double.
26488         (function_arg): Handle TFmode and TCmode for E500 double.
26489         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
26490         in general.
26491         (print_operand): Handle TFmode and TImode for %y.
26492         (rs6000_generate_compare): Handle TFmode comparisons for E500
26493         double.
26494         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
26495         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
26496         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
26497         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
26498         TFmode for E500 double.
26499         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
26500         (floatsidf2): Enable for E500 double.
26501         (movtf_softfloat): Use rs6000_nonimmediate_operand.
26502         (extenddftf2): Change to extenddftf2_fprs.
26503         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
26504         depending on TARGET_E500_DOUBLE.
26505         (extendsftf2): Enable for E500 double.
26506         (trunctfdf2): Enable for E500 double.
26507         (trunctfsf2): Change to trunctfsf2_fprs.
26508         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
26509         depending on TARGET_E500_DOUBLE.
26510         (floatsitf2): Enable for E500 double.
26511         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
26512         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
26513         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
26514         (negtf2): Change to negtf2_internal.
26515         (negtf2): New expander.
26516         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
26517         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
26518         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
26519         (movdi_internal32): Use rs6000_nonimmediate_operand.
26520         (unnamed splitter): Likewise.
26521         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
26522         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
26523         (SPE64TF, DITI): New mode macros.
26524         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
26525         modes.
26526         (frob_tf_ti): New.
26527         (frob_<mode>_di_2): New.
26528         (frob_tf_di_8_2): New.
26529         (frob_di_df): Change to frob_di_<mode>; allow more modes.
26530         (frob_ti_tf): New.
26531         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
26532         more modes.
26533         (frob_ti_<mode>_8_2): New.
26534         (frob_ti_tf_2): New.
26535         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
26536         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
26537         TFmode.
26538         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
26539         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
26540         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
26541         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
26542         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
26543         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
26544         tsttflt_gp): New.
26545
26546 2007-01-23  Ian Lance Taylor  <iant@google.com>
26547
26548         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
26549         insn-*.o first.
26550         (OBJS-archive): Reformat, alphabetize.
26551         (OBJS): Change out_object_file to OBJS-md.
26552
26553 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
26554
26555         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
26556         JUMP_P and CALL_P predicates where applicable.
26557         * config/i386/i386.c: Ditto.
26558         * config/i386/i386.md: Ditto.
26559         * config/i386/mmx.md: Ditto.
26560         * config/i386/predicates.md: Ditto.
26561
26562 2007-01-22  Andreas Schwab  <schwab@suse.de>
26563
26564         * config/m68k/m68k.h: Fix comment.
26565
26566 2007-01-22  Jan Hubicka  <jh@suse.cz>
26567
26568         * passes.c (init_optimization_passes): Do not rerun
26569         pass_early_warn_uninitialized.
26570
26571 2007-01-22  Richard Guenther  <rguenther@suse.de>
26572
26573         PR tree-optimization/30038
26574         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
26575         function.
26576         (execute_cse_sincos_1): Likewise.
26577         (execute_cse_sincos): Likewise.
26578         (gate_cse_sincos): Likewise.
26579         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
26580         the cexpi() canonicalization of sincos().
26581         * tree-pass.h (pass_cse_sincos): Declare.
26582         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
26583
26584 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
26585
26586         PR rtl-optimization/29329
26587         * combine.c (replaced_rhs_insn): Rename to i2mod.
26588         (replaced_rhs_value): Rename to i2mod_new_rhs.
26589         (i2mod_old_rhs): New global variable.
26590         (combine_instructions): Adjust for above change.  Save a copy of
26591         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
26592         note are substituted in the second instruction.
26593         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
26594         ditch the note if it pertains to the second eliminated register
26595         and this register is mentioned in i2mod_old_rhs.
26596
26597         Revert:
26598         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
26599
26600         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
26601         the insn to which the note was originally attached.
26602
26603 2007-01-21  Jan Hubicka  <jh@suse.cz>
26604
26605         * ipa-inline.c (inlining_mode): Comment, move up.
26606         (cgraph_decide_inlining_incrementally): Do not perform inlining
26607         itself; fix handling of flattening of self recursive functions.
26608         (cgraph_find_cycles): Remove.
26609         (cgraph_flatten_node): Remove.
26610         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
26611         (try_inline): New function.
26612         (cgraph_early_inlining): Update call of
26613         cgraph_decide_inlining_incrementally.  Apply inlining here.
26614         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
26615
26616 2007-01-21  Dirk Mueller  <dmueller@suse.de>
26617
26618         PR bootstrap/30511
26619         * tree-vrp.c (check_array_bounds): do not warn
26620         about ADDR_EXPR's of ARRAY_REF's which are immediately
26621         used in binary expressions.
26622
26623 2007-01-21  Ira Rosen  <irar@il.ibm.com>
26624
26625         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
26626         read_write_dep and macros for its access.
26627         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
26628         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
26629         argument, call vect_check_interleaving for every independent pair of
26630         data-refs. Mark loads that access the same memory location as a store
26631         in the loop.
26632         (vect_check_dependences): Remove.
26633         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
26634         call, fix the call to vect_analyze_data_ref_dependence.
26635         (vect_analyze_data_ref_access): For statements that access the same
26636         data-ref, check that they are not stores; for loads, check that there
26637         is no store that access the same location.
26638
26639 2007-01-20  Roger Sayle  <roger@eyesopen.com>
26640             Joseph Myers  <joseph@codesourcery.com>
26641
26642         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
26643         (-fdump-rtl-stack): Likewise.
26644         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
26645         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
26646         (-mpt-fixed): Use @minus{} for minus sign.
26647         (Using Precompiled Headers): Fix under/overfull hbox.
26648
26649 2007-01-20  Jan Hubicka  <jh@suse.cz>
26650
26651         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
26652         place within annotation.
26653
26654 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
26655
26656         * pa.c (output_move_double): Change array size of xoperands to 4.
26657
26658 2007-01-20  Jan Hubicka  <jh@suse.cz>
26659
26660         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
26661         as temporary.
26662
26663 2007-01-19  Ian Lance Taylor  <iant@google.com>
26664
26665         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
26666         constant to unsigned HOST_WIDE_INT before negating.
26667
26668 2007-01-19  Ian Lance Taylor  <iant@google.com>
26669
26670         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
26671         to unsigned.
26672         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
26673         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26674         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
26675         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
26676         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26677         (realloc_vdef, realloc_vuse): Change second parameter to
26678         unsigned.
26679         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
26680         fields to unsigned.
26681         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
26682         unsigned. Change x and lim locals to unsigned.
26683         (realloc_vdef, realloc_vuse): Change num_elem parameter to
26684         unsigned.
26685         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
26686         (copy_virtual_operands): Change i and n locals to unsigned.
26687
26688 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26689
26690         PR middle-end/29335
26691         * builtins.c (fold_builtin_1): Handle builtin fdim.
26692
26693 2007-01-20  Jan Hubicka  <jh@suse.cz>
26694
26695         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
26696         * tree-ssa-structalias.c (compute_points_to_sets): Do call
26697         init_alias_heapvars.
26698         (init_alias_heapvars): Initialize only when not already initialized.
26699         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
26700
26701 2007-01-19  Roger Sayle  <roger@eyesopen.com>
26702
26703         * common.opt (fsigned-zeros): New command line option.
26704         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
26705         of flag_unsafe_math_optimizations.
26706         * opts.c (set_fast_math_flags): The -ffast-math command line option
26707         implies -fno-signed-zeros.
26708         (fast_math_flags_set_p): Likewise.
26709
26710         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
26711         the documentation of -ffast-math appropriately.  Wrap long lines.
26712
26713 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
26714
26715         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
26716         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
26717
26718 2007-01-19  Tomas Bily  <tbily@suse.cz>
26719
26720         * cgraphunit.c (cgraph_finalize_function): Updating of pid
26721         * tree-profile.c:
26722         (tree_init_ic_make_global_vars): New function
26723         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
26724         (tree_gen_ic_profiler): New function
26725         (tree_gen_ic_func_profiler): New function
26726         (tree_profiling): Added calling of tree_gen_ic_func_profiler
26727         (tree_profile_hooks): Added hook for indirec/virtual calls
26728         * value-prof.c (tree_find_values_to_profile): New case for
26729         indirect calls
26730         (tree_values_to_profile): Call for determining indirect/virtual
26731         counters
26732         (tree_indirect_call_to_profile): New function
26733         (tree_ic_transform): New function
26734         (tree_ic): New function
26735         (find_func_by_pid): New function
26736         (init_pid_map): New function
26737         (tree_value_profile_transformations): Added check for
26738         indirect/virtual call transformation
26739         * value-prof.h (enum hist_type): New counter type for
26740         indirect/virtual calls
26741         (profile_hooks): Added new hook for profiling indirect/virtual
26742         calls
26743         * profile.c (instrument_values): New case for indirect/virtual
26744         call added
26745         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
26746         (GCOV_COUNTER_V_INDIR): New counter type
26747         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
26748         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
26749         call added
26750         * cgraph.c: Definition of cgraph_max_pid
26751         (cgraph_create_node): Default init of pid attribute
26752         * cgraph.h: Declaration of cgraph_max_pid
26753         (struct cgraph_node): Added pid attribute
26754         * libgcov.c (__gcov_indirect_call_profiler): New function
26755         (__gcov_one_value_profiler_body): New function
26756         (__gcov_one_value_profiler): Body was moved to
26757         __gcov_one_value_profiler_body and calls it
26758
26759 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
26760
26761         * doc/gty.texi (Options): Document the mark_hook option to GTY.
26762         * gengtype.c (write_types_data, write_func_for_structure,
26763         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
26764         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
26765         (walk_type, write_func_for_structure): Generate the mark_hook if
26766         needed.
26767
26768 2007-01-19  Jan Hubicka  <jh@suse.cz>
26769
26770         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
26771         'early' argument take inlining mode argument specifying whether to
26772         inline for size/speeed or all functions; add support for flattening;
26773         improve dumpting.
26774         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
26775
26776 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26777
26778         PR c++/17947
26779         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
26780         the name of the declared identifier.
26781
26782 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26783
26784         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
26785         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
26786         duplicate evaluation.
26787
26788 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26789
26790         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
26791         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
26792         to XFMode, use acosxf2 and truncate result to requested mode.
26793         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
26794         (asin<mode>2): Similarly, with asin expanders.
26795         (*fscalexf4_i387): Rename from *fscalexf4.
26796         (expNcorexf3): New expander.
26797         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
26798         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
26799         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
26800         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
26801         patterns for SSE math.
26802         (exp10<mode>2): Similarly, with exp10 expanders.
26803         (exp2<mode>2): Similarly, with exp2 expanders.
26804         (expm1<mode>2): Similarly, with expm1 expanders.
26805         (ldexp<mode>3): Similarly, with ldexp expanders.
26806         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
26807         Use gen_truncxf<mode>2_i387_noop to truncate result.
26808
26809 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26810
26811         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
26812         for ColdFire targets.
26813
26814 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
26815             Richard Sandiford  <richard@codesourcery.com>
26816
26817         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
26818         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
26819         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
26820         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
26821         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26822         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26823
26824 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26825
26826         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
26827         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
26828         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
26829         (*adddi_dilshr32_cf): New pattern.
26830         (adddi3, subdi3): Remove first alternatives.
26831
26832 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26833
26834         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
26835         implemented using move.l, do not use its cc result for floating-point
26836         comparisons.
26837
26838 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26839
26840         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
26841         from accepting 's' constraints if flag_pic.
26842
26843 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26844
26845         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
26846         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
26847         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
26848         condition from TARGET_68881 to TARGET_HARD_FLOAT.
26849
26850 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
26851
26852         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
26853         ColdFire alternatives.
26854         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
26855         * config/m68k/m68k.md (clzsi2): Define for ColdFire
26856         architectures that support ff1 instruction.
26857
26858 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26859             Julian Brown  <julian@codesourcery.com>
26860
26861         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
26862         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
26863         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
26864         Add commentary.
26865
26866 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26867
26868         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
26869         and return a bool.
26870         (output_move_const_into_data_reg, output_move_simode_const): Delete.
26871         * config/m68k/m68k.c (const_method, const_int_cost): Take a
26872         HOST_WIDE_INT instead of an rtx.
26873         (m68k_rtx_costs): Update call accordingly.
26874         (output_move_const_into_data_reg): Likewise.  Fix formatting.
26875         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
26876         Return a bool.
26877         (output_move_simode_const): Update calls after above changes.
26878         Rework to use automatic variables and predicates like MEM_P.
26879         * config/m68k/m68k.md (pushexthisi_const): Update call to
26880         valid_mov3q_const.
26881
26882 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26883
26884         * tree-ssa-alias.c (perform_var_substitution): Fix typo
26885         in dump_flags test.
26886
26887 2007-01-19  Richard Guenther  <rguenther@suse.de>
26888
26889         * builtins.c (expand_builtin_cexpi): Fall back to expanding
26890         via cexp in case sincos is not available.
26891
26892 2007-01-19  Richard Guenther  <rguenther@suse.de>
26893
26894         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
26895         * defaults.h (TARGET_HAS_SINCOS): Default to off.
26896         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
26897         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
26898         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
26899         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
26900         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
26901         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
26902
26903 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26904
26905         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
26906         New insn patterns.
26907         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
26908         (atan2xf3): Directly generate RTL pattern.
26909         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
26910         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26911         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26912         disable patterns for SSE math.
26913         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
26914         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26915         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26916         disable patterns for SSE math.
26917
26918 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
26919
26920         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
26921
26922 2007-01-18  Roger Sayle  <roger@eyesopen.com>
26923
26924         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
26925         VIEW_CONVERT_EXPR to the same type as it's operand.
26926
26927 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
26928
26929         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
26930         configured for long double 128.
26931
26932 2007-01-18  Mike Stump  <mrs@apple.com>
26933
26934         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
26935         error.
26936
26937 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
26938
26939         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
26940         type correct.
26941
26942 2007-01-18  Jan Hubicka  <jh@suse.cz>
26943
26944         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
26945         greater than NUM_VOP_FREE_BUCKETS.
26946
26947 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
26948
26949         * tree-ssa-structalias.c: Update comments.
26950         (ptabitmap_obstack): Removed.
26951         (pta_obstack): New.
26952         (oldpta_obstack): Ditto.
26953         (stats): Add a few members.
26954         (struct variable_info): Remove node, complex, address_taken, and
26955         indirect_target members. Add oldsolution member.
26956         (new_var_info): Do not initialize removed members.
26957         (constraint_expr_type): Remove INCLUDES.
26958         (constraint_graph): Add size, implicit_preds, rep,
26959         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
26960         (FIRST_REF_NODE): New macro.
26961         (LAST_REF_NODE): Ditto.
26962         (FIRST_ADDR_NODE): Ditto.
26963         (find): New function.
26964         (unite): Ditto.
26965         (dump_constraint): Do not handle INCLUDES.
26966         (insert_into_complex): Do not insert duplicate constraints.
26967         (condense_varmap_nodes): Renamed and rewritten into ...
26968         (merge_node_constraints): This. Also fix bug in handling of
26969         offseted copy constraints.
26970         (clear_edges_for_node): No longer need to deal with preds at all,
26971         or removing associated preds/succs.
26972         (merge_graph_nodes): Deal with indirect_cycles.
26973         Don't deal with predecessors.
26974         (add_implicit_graph_edge): New function.
26975         (add_pred_graph_edge): Ditto.
26976         (add_graph_edge): Don't deal with predecessors.
26977         (build_constraint_graph): Removed.
26978         (build_pred_graph): New function.
26979         (build_succ_graph): Ditto.
26980         (struct scc_info): Removed in_component. Added roots, dfs, and
26981         node_mapping. Remove visited_index, unification_queue.
26982         (scc_visit): Deal with union-find we do now.
26983         Deal with cycles with REF nodes.
26984         (collapse_nodes): Renamed and rewritten to ...
26985         (unify_nodes): This.
26986         (process_unification_queue): Removed.
26987         (topo_visit): Cleanup
26988         (do_da_constraint): Use find.
26989         (do_sd_constraint): Ditto.
26990         (do_ds_constraint): Ditto.
26991         (do_complex_constraint): Ditto.
26992         (init_scc_info): Update for removed and added members.
26993         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
26994         (find_indirect_cycles): This.
26995         (equivalence_class): New variable.
26996         (label_visit): New function.
26997         (perform_variable_substitution): Rewritten.
26998         (free_var_substitution_info): New function.
26999         (find_equivalent_node): Ditto.
27000         (move_complex_constraints): Ditto.
27001         (eliminate_indirect_cycles): Ditto.
27002         (solve_graph): Only propagate changed bits.
27003         Use indirect cycle elimination.
27004         Use find.
27005         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
27006         (tree_id_eq): Renamed to ...
27007         (tree_vi_eq): This. Update for member change
27008         (insert_id_for_tree): Renamed and rewritten to ...
27009         (insert_vi_for_tree): This.
27010         (lookup_id_for_tree): Renamed and rewritten to ...
27011         (lookup_vi_for_tree): This.
27012         (get_id_for_tree): Renamed and rewritten to ...
27013         (get_vi_for_tree): Ditto.
27014         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
27015         (process_constraint): Don't handle INCLUDES.
27016         Remove special ADDRESSOF case.
27017         (find_func_aliases): Rewrite to use vi functions instead of id
27018         ones.
27019         (create_function_info_for): Ditto.
27020         (create_variable_info_for): Ditto.
27021         (intra_create_variable_infos): Ditto.
27022         (merge_smts_into): Ditto.
27023         (find_what_p_points_to): Ditto.
27024         (init_base_vars): Ditto.
27025         (init_alias_vars): Ditto.
27026         (remove_preds_and_fake_succs): New function.
27027         (dump_sa_points_to_info): Dump new stats.
27028         (dump_solution_for_var): Use find.
27029         (set_used_smts): Fix formatting.
27030         (compute_points_to_sets): Updated for new functions.
27031         (ipa_pta_execute): Ditto.
27032
27033 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
27034             Richard Sandiford  <richard@codesourcery.com>
27035
27036         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
27037         parallels.
27038         * calls.c (expand_call): If the return value is a PARALLEL,
27039         extract its first member.
27040         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
27041         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
27042         use FUNCTION_EXTRA_EPILOGUE.
27043         (m68k_function_value): Return a PARALLEL if the return value
27044         is of a pointer type.
27045         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
27046         (FUNCTION_EXTRA_EPILOGUE): Remove.
27047         * config/m68k/m68k.md (D0_REG): New constant.
27048
27049 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
27050
27051         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
27052         output a NOP for empty epilogues.
27053
27054 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27055
27056         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
27057         before function.  Extend register save check to include all
27058         registers, not just integer ones.
27059
27060 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
27061
27062         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
27063         (m68k_use_return_insn): ...this.
27064         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
27065         * config/m68k/m68k.c (use_return_insn): Rename to...
27066         (m68k_use_return_insn): ...this.
27067         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
27068         of USE_RETURN_INSN.
27069
27070 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
27071
27072         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
27073         nearest even, fix denormal rounding overflow.
27074
27075 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27076
27077         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
27078         f%$smove and f%$move.
27079         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
27080         (extendsfdf2_cf): Use fdmove instead of f%&move.
27081         (truncdfsf2_cf): Use fsmove instead of f%$smove.
27082         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
27083
27084 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27085
27086         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
27087         GPR<-GPR moves.
27088
27089 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27090
27091         * real.h (real_format): Add a canonical_nan_lsbs_set field.
27092         (coldfire_single_format): Declare.
27093         (coldfire_double_format): Likewise.
27094         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
27095         of qnan_msb_set to determine the lower bits of a canonical
27096         NaN significand.
27097         (encode_ieee_double): Likewise.
27098         (encode_ieee_quad): Likewise.
27099         (ieee_single_format): Initialize canonical_nan_lsbs_set.
27100         (mips_single_format): Likewise.
27101         (ieee_double_format): Likewise.
27102         (mips_double_format): Likewise.
27103         (ieee_extended_motorola_format): Likewise.
27104         (ieee_extended_intel_96_format): Likewise.
27105         (ieee_extended_intel_128_format): Likewise.
27106         (ieee_extended_intel_96_round_53_format): Likewise.
27107         (ibm_extended_format): Likewise.
27108         (mips_extended_format): Likewise.
27109         (ieee_quad_format): Likewise.
27110         (mips_quad_format): Likewise.
27111         (vax_f_format): Likewise.
27112         (vax_d_format): Likewise.
27113         (vax_g_format): Likewise.
27114         (i370_single_format): Likewise.
27115         (i370_double_format): Likewise.
27116         (decimal_single_format): Likewise.
27117         (decimal_double_format): Likewise.
27118         (decimal_quad_format): Likewise.
27119         (c4x_single_format): Likewise.
27120         (c4x_extended_format): Likewise.
27121         (real_internal_format): Likewise.
27122         (coldfire_single_format): New real_format.
27123         (coldfire_double_format): Likewise.
27124         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
27125         canonical_nan_lsbs_set.
27126         (pdp11_d_format): Likewise.
27127         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
27128         if TARGET_COLDFIRE_CPU.
27129
27130 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27131
27132         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
27133         (output_call, m68k_legitimize_call_address): Declare.
27134         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
27135         parenthesees.  Add support for a 'W' constraint.
27136         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
27137         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
27138         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
27139         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
27140         variables.
27141         (override_options): Initialize them.  Do not set flag_no_function_cse
27142         for TARGET_ID_SHARED_LIBRARY.
27143         (m68k_output_pic_call): Delete.
27144         (m68k_legitimize_call_address): New function.
27145         (print_operand): Remove the %o prefix.  Handle the %p prefix.
27146         (output_call): New function.
27147         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
27148         target address from the GOT if symbolic jumps are not allowed.
27149         * config/m68k/m68k.md (call, general_operand): Do not set
27150         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
27151         Merge separate flag_pic and !flag_pic define_insns into...
27152         (*call, *call_value): ...these new patterns.  Match the address
27153         rather than the containing MEM and require it to be a call_operand.
27154         Use output_call to generate the asm template.
27155         * config/m68k/predicates.md (const_call_operand): New predicate.
27156         (call_operand): Likewise.
27157
27158 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
27159
27160         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
27161         (STACK_GROWS_DOWNWARD): Define to 1.
27162         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
27163         comments, emphasizing that these values are only defaults.
27164         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
27165         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
27166
27167 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27168
27169         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
27170
27171 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
27172             Richard Sandiford  <richard@codesourcery.com>
27173
27174         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
27175         (FP_REGNO_P): New macros.
27176         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
27177         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
27178         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
27179         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
27180
27181 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
27182
27183         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27184         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
27185         to $tmake_file.
27186         * config/m68k/t-floatlib: New file, extracting common code from...
27187         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
27188         * config/m68k/t-uclinux: Here.
27189         * config/m68k/fpgnulib.c: Do not compile extendeed precision
27190         routines on ColdFire targets.
27191
27192 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
27193
27194         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27195         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
27196         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
27197         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
27198         explicitly set MOTOROLA to 1.
27199         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
27200
27201 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27202             Nathan Sidwell  <nathan@codesourcery.com>
27203
27204         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
27205         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
27206         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
27207         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
27208         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
27209         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
27210         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
27211         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
27212         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
27213         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
27214         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
27215         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
27216         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
27217         (DBX_REGISTER_NUMBER): Delete.
27218         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
27219         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
27220         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
27221
27222 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27223
27224         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
27225         * config/flat.h: New file.
27226         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
27227         OBJECT_FORMAT_FLAT.
27228         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
27229         indirect references for -msep-data or -mid-shared-library.
27230         Do not use PC-relative code addresses either.
27231         * config/m68k/m68k.c (override_options): Restrict -fPIC error
27232         to -mpcrel.
27233         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
27234         for shared libraries and crt1.o for executables.  Use crti.o and
27235         crtbegin.o.
27236         (ENDFILE_SPEC): Use crtend.o and crtn.o.
27237         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
27238         Do not add -elf2flt or -shared-lib-id options here.
27239         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
27240         Pass -shared-lib-id if -mid-shared-library, taking the library
27241         identifier from -mshared-library-id if given, otherwise
27242         defaulting to 0.
27243         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
27244         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
27245         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
27246         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
27247         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
27248         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
27249         and crtend.o.
27250         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
27251         jump sequence for ISA A and ISA A+.
27252         (PICJUMP): Likewise.
27253
27254 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27255
27256         * config.gcc (m68k-*-uclinux*): Base the port on the common
27257         and m68k GNU/Linux files rather than on the generic ELF ones.
27258         * config/m68k/uclinux.h (TARGET_VERSION): Override.
27259         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
27260
27261 2007-01-18  Julian Brown  <julian@codesourcery.com>
27262             Richard Sandiford  <richard@codesourcery.com>
27263
27264         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
27265         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
27266         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
27267         before redefining.
27268         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
27269         80 unconditionally.
27270         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
27271
27272 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27273
27274         * doc/install.texi: Document m68k-uclinuxoldabi.
27275         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
27276         * config/m68k/uclinux-oldabi.h: New file, copied from
27277         config/m68k/uclinux.h.
27278
27279 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
27280
27281         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
27282         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
27283         (m32r_compute_frame_size): Use unsigned for regno.
27284         (m32r_reload_lr): Use gen_frame_mem.
27285         (pop): New.
27286         (m32r_output_function_epilogue): Don't output the function epilogue
27287         textually here.
27288         (m32r_expand_epilogue): New.
27289         (direct_return): Return false if the function has the interrupt
27290         attribute.
27291         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
27292         * config/m32r/m32r.md (epilogue): New expander.
27293         (return_lr, return_rte): New insns.
27294         (return): Make it expander.
27295         (return_normal): New expander.
27296
27297 2007-01-18  Josh Conner  <jconner@apple.com>
27298
27299         PR target/30485
27300         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
27301         support for UNLE, UNLT, UNGE, and UNGT.
27302
27303 2007-01-18  Jan Hubicka  <jh@suse.cz>
27304
27305         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
27306         * tree-tailcall (add_virtual_phis): Likewise.
27307         (optimize_tail_call): Return TODOs.
27308         (execute_tail_calls): Return TODOs.
27309         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
27310         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
27311         changed.
27312         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
27313         Cleanup cfg using TODO.
27314         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
27315         * passes.c (execute_function_todo): When cleanup did something, remove
27316         unused locals.
27317         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
27318         (make_edges): Don't cleanup_cfg.
27319
27320 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
27321
27322         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
27323         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
27324         operate on the top of stack.
27325         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
27326         register handling of instructions that output to the second
27327         stack slot.
27328         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
27329         (move_for_stack_reg): Special-case check for dead destination
27330         stack slot for constant load of 1.0 inside UNSPEC_TAN.
27331
27332         * config/i386/i386.md (UNSPEC_TAN): New constant.
27333         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
27334         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
27335         to correctly model move of constant 1.0 to top stack slot.
27336         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
27337         (unnamed peephole2 pattern): Remove corresponding peephole2
27338         pattern that optimizes tan insn and loading of constant 1.0.
27339         (tanxf2): Use fptanxf4_i387.
27340         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
27341         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
27342         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
27343         disable patterns for SSE math.
27344         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
27345         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
27346
27347 2007-01-18  Dirk Mueller  <dmueller@suse.de>
27348             Richard Guenther <rguenther@suse.de>
27349
27350         PR diagnostic/8268
27351         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
27352         * common.opt (Warray-bounds): Add new warning option.
27353         * c-opts.c (c_common_handle_option): Define -Warray-bounds
27354         if -Wall is given.
27355         * Makefile.in: make tree-vrp.o depend on toplev.h
27356         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
27357         is enabled.
27358         (check_array_refs, check_array_bounds, check_array_ref): New.
27359
27360 2007-01-18  Jan Hubicka  <jh@suse.cz>
27361
27362         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
27363         (execute_ssa_ccp): Return flags conditionally.
27364         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
27365         changed.
27366         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
27367
27368 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
27369
27370         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
27371         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
27372
27373         * Makefile.c (GTFILES): Add cfglayout.h.
27374         * gengtype.c (open_base_files): Likewise.
27375         * cfglayout.c (cfg_layout_function_footer,
27376         cfg_layout_function_header) Reindent to make gengtype happy.
27377         * cfglayout.h (cfg_layout_function_footer,
27378         cfg_layout_function_header): Add GTY(()) marker.
27379
27380         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
27381
27382 2007-01-18  Ben Elliston  <bje@au.ibm.com>
27383
27384         * genautomata.c (write_automata): Include xstrerror output in the
27385         error message if writing the DFA description file fails.
27386
27387 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
27388
27389         * config/mips/mips-protos.h (mips_output_external): Make it
27390         return void.
27391         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
27392         * config/mips/mips.c (irix_output_external_libcall): Likewise.
27393         (extern_list): Likewise.
27394         (extern_head): Likewise.
27395         (TARGET_ASM_FILE_END): Likewise.
27396         (mips_file_end): Likewise.
27397         (mips_output_external): Rewritten.
27398
27399 2007-01-18  Ben Elliston  <bje@au.ibm.com>
27400
27401         * genpreds.c (write_insn_preds_c): Only write out the function
27402         body for regclass_for_constraint if we have register constraints.
27403
27404 2007-01-17  Tom Tromey  <tromey@redhat.com>
27405
27406         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
27407         * doc/install.texi (Testing): Use sourceware.org.
27408         (Binaries): Likewise.
27409         (Specific): Likewise.
27410         * doc/contrib.texi (Contributors): Use sourceware.org.
27411
27412 2007-01-17  Anatoly Sokolov <aesok@post.ru>
27413
27414         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
27415         (AVR_ENHANCED): Rename to ...
27416         (AVR_HAVE_MUL): ... new.
27417         (avr_enhanced_p): Rename to ...
27418         (avr_have_mul_p): ... new.
27419         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
27420         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
27421         * config/avr/avr.c (avr_enhanced_p): Rename to ...
27422         (avr_have_mul_p): ... new.
27423         (base_arch_s): Rename 'enhanced' to 'have_mul'.
27424         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
27425         'avr_enhanced_p' and 'enhanced'.
27426         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
27427         AVR_HAVE_MUL instead of AVR_ENHANCED.
27428         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
27429         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
27430         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
27431         instead of AVR_ENHANCED.
27432         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
27433         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
27434         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
27435
27436 2007-01-17  Ian Lance Taylor  <iant@google.com>
27437
27438         * vec.h (VEC_reserve_exact): Define.
27439         (vec_gc_p_reserve_exact): Declare.
27440         (vec_gc_o_reserve_exact): Declare.
27441         (vec_heap_p_reserve_exact): Declare.
27442         (vec_heap_o_reserve_exact): Declare.
27443         (VEC_OP (T,A,reserve_exact)): New static inline function, three
27444         versions.
27445         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
27446         negative parameter.
27447         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
27448         (VEC_OP (T,A,copy)) [all versions]: Likewise.
27449         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
27450         * vec.c (calculate_allocation): Add exact parameter.  Change all
27451         callers.
27452         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
27453         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
27454         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
27455         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
27456         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
27457         (vec_heap_p_reserve_exact): New function.
27458         (vec_heap_o_reserve_exact): New function.
27459
27460 2007-01-17  Jan Hubicka  <jh@suse.cz>
27461
27462         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
27463
27464 2007-01-17  Eric Christopher  <echristo@apple.com>
27465
27466         * config.gcc: Support core2 processor.
27467
27468 2007-01-16  Jan Hubicka  <jh@suse.cz>
27469
27470         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
27471         the names, just unlink the chain so we don't crash on dangling
27472         pointers
27473         to dead SSA names.
27474
27475 2007-01-16  Jan Hubicka  <jh@suse.cz>
27476
27477         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
27478         * tree-pass.h: Reorder to make IPA passes appear toegher.
27479         (pass_early_inline, pass_inline_parameters, pass_apply_inline):
27480         Declare.
27481         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
27482         parameters, do not call early inliner.
27483         * ipa-inline.c: Update comments.  Include tree-flow.h
27484         (cgraph_decide_inlining): Do not compute inlining parameters.
27485         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
27486         be called with function context set up.
27487         (pass_ipa_inline): Remove unreachable functions before pass.
27488         (cgraph_early_inlining): Simplify assuming to be called from the
27489         PM as local pass.
27490         (pass_early_inline): New pass.
27491         (cgraph_gate_ipa_early_inlining): New gate.
27492         (pass_ipa_early_inline): Turn into simple wrapper.
27493         (compute_inline_parameters): New function.
27494         (gate_inline_passes): New gate.
27495         (pass_inline_parameters): New pass.
27496         (apply_inline): Move here from tree-optimize.c
27497         (pass_apply_inline): New pass.
27498         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
27499         transforming.
27500         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
27501         doing them by hand.
27502         (tree_function_versioning): Do not allocate dummy struct function.
27503         * tree-inline.h (optimize_inline_calls): Update prototype.
27504         * tree-optimize.c (execute_fixup_cfg): Export.
27505         (pass_fixup_cfg): Remove
27506         (tree_rest_of_compilation): Do not apply inlines.
27507         * tree-flow.h (execute_fixup_cfg): Declare.
27508         * Makefile.in (gt-passes.c): New.
27509         * passes.c: Include gt-passes.h
27510         (init_optimization_passes): New passes.
27511         (nnodes, order): New static vars.
27512         (do_per_function_toporder): New function.
27513         (execute_one_pass): Dump current pass here.
27514         (execute_ipa_pass_list): Don't dump current pass here.
27515
27516 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
27517
27518         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
27519         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
27520
27521 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
27522
27523         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
27524         (strong_alias): Define.
27525         (__gcc_qmul): Provide non-FMA for soft-float.
27526         (__gcc_qdiv): Same.
27527         (__gcc_qneg): New.
27528         (__gcc_qeq): New.
27529         (__gcc_qle): New.
27530         (__gcc_qge): New.
27531         (__gcc_qunord): New.
27532         (__gcc_stoq): New.
27533         (__gcc_dtoq): New.
27534         (__gcc_qtos): New.
27535         (__gcc_qtod): New.
27536         (__gcc_qtoi): New.
27537         (__gcc_qtou): New.
27538         (__gcc_itoq): New.
27539         (__gcc_utoq): New.
27540         (fmsub): New.
27541         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
27542         soft-float functions.
27543         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
27544         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
27545         about long double soft float.
27546
27547 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
27548             Tehila Meyzels  <tehila@il.ibm.com>
27549
27550         * tree-vectorizer.h (is_pattern_stmt_p): New.
27551         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
27552         formatting (tabs instead of spaces). Cleanup and clarify setting
27553         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
27554         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
27555         (vectorizable_type_demotion): Check that types are integral.
27556         (vectorizable_type_promotion): Likewise.
27557         (vectorizable_store): Fix typo.  Eliminate new-line at end of
27558         comments.
27559
27560 2007-01-16  Jan Hubicka  <jh@suse.cz>
27561
27562         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
27563         cgraph edges too.
27564
27565 2007-01-15  Eric Christopher  <echristo@apple.com>
27566
27567         * ifcvt.c: Include vec.h, vecprim.h.
27568         (check_cond_move_block): New argument regs.
27569         Reorganize. Add registers used to regs.
27570         (cond_move_process_if_block): Use regs set above as
27571         loop bounds.
27572
27573 2007-01-15  Eric Christopher  <echristo@apple.com>
27574
27575         * config/darwin.h: Update copyright.
27576         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
27577         (LINK_COMMAND_SPEC): Add -u.
27578         (LINK_SPEC): Fix umbrella for above.
27579
27580 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
27581
27582         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
27583         glibc CVS.
27584
27585 2007-01-15  Tom Tromey  <tromey@redhat.com>
27586
27587         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
27588         * doc/install.texi (Testing): Don't mention jacks.
27589         (Configuration): Document --enable-java-maintainer-mode.  Move
27590         --with-java-home to libgcj-specific section.  Document
27591         --with-ecj-jar.
27592         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
27593
27594 2007-01-15  Jan Hubicka  <jh@suse.cz>
27595
27596         * tree-ssa-dce.c (DCE_TODOs): New.
27597         (propagate_necessity): Return if something changed.
27598         (eliminate_unnecessary_stmts): Likewise.
27599         (perform_tree_ssa_dce): Return TODO flags when needed.
27600         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
27601
27602 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
27603
27604         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
27605         (fyl2x_extend<mode>xf3_i387): New insn pattern.
27606         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
27607         patterns using X87MODEF12 mode macro.  Extend operand 1
27608         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
27609         (log10<mode>2): Ditto.
27610         (log2<mode>2): Ditto.
27611         (log1p<mode>2): Ditto.
27612         (logb<mode>2): Ditto.
27613         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
27614         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
27615         (*fxtractxf3_i387): Rename from *fxtractxf3.
27616         (fxtract_extend<mode>xf3_i387): New insn pattern.
27617         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
27618         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
27619         and gen_fyl2xxf3_i387().
27620
27621 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
27622
27623         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
27624         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
27625         get_loop_exit_edges.  Changed return type to bool.
27626         * cfgloop.h (fix_loop_placement): Declaration removed.
27627
27628 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
27629
27630         * param.h (MIN_VECT_LOOP_BOUND): New.
27631         * params.def (MIN_VECT_LOOP_BOUND): New.
27632         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
27633         argument - minimum threshold for number of iterations.
27634         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
27635         argument to declaration.
27636         * tree-vect-analyze.c (vect_analyze_operations): Check value of
27637         MIN_VECT_LOOP_BOUND.
27638         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
27639         slpeel_tree_peel_loop_to_edge with additional argument.
27640         (vect_do_peeling_for_alignment): Likewise.
27641         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
27642
27643 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
27644
27645         PR target/30413
27646         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
27647         operands of size 1.
27648
27649 2007-01-14  Jan Hubicka  <jh@suse.cz>
27650
27651         * tree-dfa.c (remove_referenced_var): New function.
27652         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
27653         prune referenced vars list too.
27654         * tree-flow.h (remove_referenced_var): Declare.
27655
27656 2007-01-14  Jan Hubicka  <jh@suse.cz>
27657
27658         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
27659         separately.
27660         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
27661         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
27662         * except.h (verify_eh_throw_table_statements): Kill prototype.
27663         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
27664         into call exrepssions.
27665         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
27666         eh trhow verifier.
27667         * tree-cfg.c: Include pointer-set.h.
27668         (verify_node_sharing): Work on pointer set.
27669         (verify_eh_throw_stmt_node): New.
27670         (verify_stmts): Use pointers sets, verify throw_stmt.
27671
27672 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
27673
27674         * ipa-reference.c (analyze_function): Consider also addresses taken
27675         in phi nodes.
27676
27677 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27678
27679         * c-typeck.c (null_pointer_constant_p): Replace use of
27680         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27681         (build_c_cast): Likewise.
27682
27683 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27684
27685         * tree.h (force_fit_type_double): Remove unused final argument.
27686         * c-common.c (constant_expression_warning): Replace use of
27687         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27688         (convert_and_check): Likewise.
27689         (shorten_compare): Update call to force_fit_type_double.
27690         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
27691         * convert.c (convert_to_pointer): Update call to
27692         force_fit_type_double.
27693         * fold-const.c (force_fit_type_double): Remove overflowed_const
27694         argument.
27695         (int_const_binop, fold_convert_const_int_from_int,
27696         fold_convert_const_int_from_real, fold_div_compare,
27697         fold_sign_changed_comparison, fold_unary, fold_negate_const,
27698         fold_abs_const, fold_not_const): Remove the final argument from
27699         calls to force_fit_type_double.
27700
27701 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
27702
27703         * configure.ac: Set insn to "nop" for spu-*-* also.
27704         * configure: Regenerate.
27705
27706 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
27707
27708         * builtins.def : Add BUILT_IN_FREE.
27709
27710 2007-01-12  Jan Hubicka  <jh@suse.cz>
27711
27712         PR tree-optimization/30443
27713         * tree-inline.c (tree_function_versioning): Do not optimize when
27714         cloning for inlining.
27715
27716 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
27717
27718         * doc/loop.texi: Document recording of loop exits.
27719         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
27720         (update_single_exits_after_duplication,
27721         update_single_exit_for_duplicated_loop,
27722         update_single_exit_for_duplicated_loops): Removed.
27723         (duplicate_loop_to_header_edge): Do not call
27724         update_single_exits_after_duplication and
27725         update_single_exit_for_duplicated_loops.
27726         (loop_version): Do not update single_exit information.
27727         (fix_loop_structure): Use record_loop_exits instead of
27728         mark_single_exit_loops.
27729         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
27730         the lists of loop exits.
27731         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
27732         split_edge, merge_blocks): Update the lists of loop exits.
27733         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
27734         loop_optimizer_init.
27735         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
27736         of mark_single_exit_loops.
27737         (loop_optimizer_finalize): Call release_recorded_exits.
27738         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
27739         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
27740         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
27741         update single exit information.
27742         * lambda-code.c (perfect_nestify): Ditto.
27743         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
27744         (mark_single_exit_loops): Removed.
27745         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
27746         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
27747         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
27748         functions.
27749         (get_loop_exit_edges, single_exit): Use recorded exit lists.
27750         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
27751         (verify_loop_structure): Verify consistency of the exit lists.
27752         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
27753         (set_single_exit): Removed.
27754         * cfgloop.h (struct loop_exit): New function.
27755         (struct loop): single_exit_ field replaced by exits field.
27756         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
27757         LOOPS_HAVE_RECORDED_EXITS.
27758         (struct loops): Added exits hash.
27759         (mark_single_exit_loops, set_single_exit): Declaration removed.
27760         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
27761
27762 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27763
27764         * doc/invoke.texi: Avoid use of @headitem.
27765
27766 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27767
27768         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
27769
27770 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27771
27772         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
27773         list of targets.
27774
27775 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27776             Richard Sandiford  <richard@codesourcery.com>
27777
27778         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
27779         * config/m68k/m68k.opt: Resort options.
27780         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
27781
27782 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27783             Richard Sandiford  <richard@codesourcery.com>
27784
27785         * doc/invoke.texi: Document the macros that are defined by
27786         m68k's -mtune and -mhard-float options.
27787         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
27788         (m68k_cpp_cpu_family): Likewise.
27789         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
27790         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
27791         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
27792         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
27793         (m68k_cpp_cpu_family): Likewise.
27794
27795 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27796
27797         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
27798         macros besides mc68000 as tuning macros.  Use a switch statement
27799         to set them and mcpu32.
27800
27801 2007-01-12  Julian Brown  <julian@codesourcery.com>
27802
27803         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
27804         (TARGET_68040_ONLY): Rename to...
27805         (TARGET_68040): ...this.
27806         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
27807         * config/m68k/m68k.md: Likewise.
27808
27809 2007-01-12  Julian Brown  <julian@codesourcery.com>
27810             Nathan Sidwell  <nathan@codesourcery.com>
27811             Richard Sandiford  <richard@codesourcery.com>
27812
27813         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
27814         the -mcpu= argument associated with the --with-cpu setting.
27815         Define M68K_DEFAULT_TUNE to the default -mtune= option,
27816         if different from the one implied by the -mcpu setting.
27817         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
27818         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
27819         * doc/invoke.texi: Mention ColdFire in the introduction to the
27820         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
27821         -mno-div and -mhard-float options.  Make -m68881 a synonym for
27822         -mhard-float.  Document the previously-undocumented -m5206e,
27823         -m528x, -m5307 and -m5407 options.  Tweak the existing option
27824         documentation for consistency.
27825         * doc/install.texi: Mention new --with-cpu arguments.
27826         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
27827         default CPU if neither -mcpu nor -march are specified.
27828         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
27829         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
27830         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
27831         using m68k_tune to decide between families that implement the
27832         same ISA.  Use m68k_tune to set __mcfv4e__.
27833         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
27834         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
27835         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
27836         (FL_ISA_C, FL_ISA_MMU): New macros.
27837         (MASK_COLDFIRE): Delete.
27838         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
27839         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
27840         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
27841         (TARGET_HARD_FLOAT): Do not define here.
27842         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
27843         (TUNE_68000): New macro.
27844         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
27845         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
27846         (TUNE_CFV2): Redefine in terms of m68k_tune.
27847         (uarch_type, target_device, fpu_type): New enums.
27848         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
27849         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
27850         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
27851         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
27852         (FL_FOR_isa_c): New macros.
27853         (m68k_isa): New enum.
27854         (m68k_target_selection): New structure.
27855         (all_devices, all_isas, all_microarchs): New tables.
27856         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
27857         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
27858         (MASK_ALL_CPU_BITS): Delete.
27859         (m68k_find_selection): New function.
27860         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
27861         Map the legacy target options to a combination of the new ones.
27862         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
27863         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
27864         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
27865         settings.
27866         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
27867         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
27868         properties.
27869         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
27870         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
27871         * config/m68k/m68k-devices.def: New file.
27872
27873 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27874             Nathan Sidwell  <nathan@codesourcery.com>
27875
27876         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
27877         (SUBTARGET_EXTRA_SPECS): New macros.
27878         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
27879         use %(asm_cpu_spec) instead.
27880         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
27881         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
27882         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
27883         (EXTRA_SPECS): Rename to...
27884         (SUBTARGET_EXTRA_SPECS): ...this.
27885
27886 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27887             Richard Sandiford  <richard@codesourcery.com>
27888             Julian Brown  <julian@codesourcery.com>
27889
27890         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27891         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
27892         to the configuration's default CPU.
27893         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
27894         Remove default masks.
27895         (m680[012]0-*-*): Set the default with_cpu to the first part of
27896         the target name.
27897         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
27898         (m68k*-*-linux): Extend the --with-cpu handling to...
27899         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
27900         and m68010.  Don't set target_cpu_default2.
27901         * doc/install.texi: Document --with-cpu for m68k.
27902         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
27903         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
27904         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
27905         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
27906         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
27907         (ASM_SPEC): Remove use of %(asm_cpu_default).
27908         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
27909         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
27910         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
27911         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
27912         __HAVE_FPU__ if TARGET_HARD_FLOAT.
27913         (TARGET_DEFAULT): Delete.
27914         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
27915         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
27916         (CPP_CPU_SPEC): Delete.
27917         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
27918         the appropriate string.
27919         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
27920         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
27921         (ASM_SPEC): Don't use %(asm_default_spec).
27922         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
27923         TARGET_DEFAULT and add MASK_68881.
27924         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
27925
27926 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27927
27928         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
27929         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
27930         MASK_68010 alongside MASK_68020.
27931         * doc/invoke.texi: Document -m68010.
27932         * config/m68k/m68k.opt (m68010): New.
27933         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
27934         if TUNE_68010.
27935         (TUNE_68010): New macro.
27936         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
27937         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
27938         (M68K_CPU_m68332): Add MASK_68010.
27939         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
27940         fallback definition.
27941         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
27942         defines.
27943         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
27944         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
27945         to all entries that use MASK_68020.
27946         (output_move_simode_const, output_move_himode, output_move_qimode)
27947         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
27948         instead of TARGET_68020 to select clr behavior.  Remove comment
27949         about there being no TARGET_68010.
27950         * config/m68k/m68k.md: Likewise throughout.
27951
27952 2007-01-12  Julian Brown  <julian@codesourcery.com>
27953
27954         * config/m68k/m68k.h (TARGET_ISAB): New macro.
27955         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
27956         * config/m68k/m68k.md: Likewise.
27957
27958 2007-01-12  Julian Brown  <julian@codesourcery.com>
27959
27960         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
27961         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
27962
27963 2007-01-12  Julian Brown  <julian@codesourcery.com>
27964
27965         * config/m68k/m68k.h (TUNE_68040_60): New macro.
27966         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
27967         * config/m68k/m68k.md: Likewise.
27968
27969 2007-01-12  Julian Brown  <julian@codesourcery.com>
27970             Richard Sandiford  <richard@codesourcery.com>
27971
27972         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
27973         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
27974         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
27975         TARGET_CPU32.
27976         (TARGET_CPU32): Rename to...
27977         (TUNE_CPU32): ...this.
27978         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
27979         (TUNE_CFV2): New macros.
27980         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
27981         remove conditions that are implied by TARGET_68020.
27982         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
27983         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
27984         (m68k_output_function_epilogue): Likewise.
27985         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
27986         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
27987         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
27988         non-68000 timings.  Refactor multiplication and division costs.
27989         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
27990         TUNE_CPU32 instead of TARGET_CPU32.
27991         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
27992         and TUNE_68060 instead of TARGET_68060.
27993         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
27994         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
27995         TARGET_CPU32.
27996         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
27997         && !TARGET_COLDFIRE" to choose between moveq and clr.
27998         Likewise in the unnamed movsf pattern.
27999         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
28000         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
28001         ashiftrt pattern.
28002
28003 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
28004
28005         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
28006         of tabbing before backslashes.
28007
28008 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
28009
28010         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
28011         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
28012         (ASM_OUTPUT_INTERNAL_LABEL): Define.
28013
28014 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
28015
28016         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
28017         find_interesting_uses_cond.
28018         (find_interesting_uses_cond): Use extract_cond_operands.
28019         (rewrite_use_compare): Use extract_cond_operands and
28020         force_gimple_operand_bsi.  Do not call update_stmt.
28021         (determine_use_iv_cost_condition): Use extract_cond_operands.
28022         Return cheaper of using original bound and changing the exit bound.
28023
28024 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
28025
28026         PR tree-optimization/29516
28027         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
28028         most_expensive_mult_to_index, addr_to_parts,
28029         create_mem_ref, maybe_fold_tmr): Make the type of
28030         fields of TARGET_MEM_REF sizetype.
28031         (move_fixed_address_to_symbol, move_pointer_to_base):
28032         New functions.
28033         * tree.def (TARGET_MEM_REF): Add comment on types of
28034         the operands.
28035
28036 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
28037
28038         * c-common.c (vector_types_convertible_p): Treat opaque types as
28039         always convertible if they have the same size, but not otherwise.
28040
28041 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
28042
28043         * ifcvt.c (struct noce_if_info): Add comments to the fields.
28044         Remove the b_unconditional field.
28045         (noce_try_sign_mask): Do not look at b_unconditional.
28046         (noce_process_if_block): Do not use merge_if_blocks.  Update
28047         the CFG here.  Do not set b_unconditional.
28048         (cond_move_process_if_block): Likewise.
28049         (find_cond_trap): Likewise.
28050         (check_cond_move_block): Require simple jump insns at the end
28051         of the basic block.
28052
28053 2007-01-11  Jan Hubicka  <jh@suse.cz>
28054
28055         PR tree-optimization/1046
28056         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
28057         when alias info is not ready.
28058         (pass_tail_recursion): Do not require aliasing.
28059         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
28060         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
28061         * tree-ssa-copy.c (pass_copy_prop): Likewise.
28062         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
28063         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
28064         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
28065         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
28066         before inlining.
28067         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
28068         When aliasing is not build, mark statement as volatile.
28069
28070 2007-01-11  Tom Tromey  <tromey@redhat.com>
28071
28072         PR preprocessor/15185, PR preprocessor/20989:
28073         * doc/cppopts.texi <-MT>: Update description of algorithm for
28074         computing default target.
28075         <-M, -MD>: Reword "basename" text.
28076
28077 2007-01-11  Roger Sayle  <roger@eyesopen.com>
28078
28079         * builtins.c (expand_builtin_pow, expand_builtin_powi,
28080         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
28081         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
28082         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
28083         fold_builtin_bswap, real_constp, fold_builtin_pow,
28084         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
28085         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
28086         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
28087         * convert.c (convert_to_pointer): Likewise.
28088         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
28089         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
28090         const_binop, fold_convert_const_int_from_int,
28091         fold_convert_const_int_from_real,
28092         fold_convert_const_real_from_real, sign_bit_p,
28093         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
28094         fold_sign_changed_comparison, fold_unary, fold_comparison,
28095         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
28096         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
28097         * print-tree.c (print_node_brief, print_node): Likewise.
28098         * stor-layout.c (place_field, layout_type): Likewise.
28099         * tree-chrec.c (keep_cast): Likewise.
28100         * tree.c (build_vector, build_real, build_real_from_int_cst,
28101         build_complex): Likewise.
28102
28103 2007-01-11  Roger Sayle  <roger@eyesopen.com>
28104
28105         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
28106         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
28107
28108 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
28109
28110         * configure.ac (strict1_warn): Rename to strict_warn.
28111         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
28112         cc_set_by_configure, quoted_cc_set_by_configure,
28113         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
28114         all_boot_languages, all_stagestuff): Remove.
28115         (target_list): Remove bootstrap targets.
28116         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
28117         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
28118         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
28119         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
28120         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
28121         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
28122         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
28123         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
28124         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
28125         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
28126         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
28127         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
28128         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
28129         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
28130         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
28131         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
28132         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
28133         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
28134         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
28135         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
28136         (mostlyclean): Adjust.
28137         (clean, distclean): Don't mention bootstrap stuff.
28138         * configure: Regenerate.
28139         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
28140         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
28141         treelang/config-lang.in (stagestuff): Remove.
28142         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
28143         stageprofile, stagefeedback, stagestuff): Remove mention.
28144
28145 2007-01-11  Nick Clifton  <nickc@redhat.com>
28146
28147         * config/mcore/predicates.md (mcore_general_movesrc_operand):
28148         Accept CONSTs.
28149         (mcore_general_movdst_operand): Do not accept CONST_INTs.
28150         (mcore_arith_K_S_operand): Run the test for the S constraint not
28151         the test for the M constraint.
28152         (mcore_addsub_operand): Do not accept integer values that are
28153         larger than 32 bits.
28154         * config/mcore/mcore.md: Remove unused constraints from split.
28155         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
28156         (addsi3): Likewise.
28157         (allocate_stack): Likewise.
28158         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
28159         operands to 32 bits.
28160         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
28161         INTVAL.
28162         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
28163         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
28164         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
28165         mcore_output_bclri, mcore_output_andn, output_inline_const,
28166         mcore_output_move, mcore_output_movedouble): Likewise.
28167         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
28168         (output_inline_const): Likewise.
28169         (output_inline_const): Fix format strings used in sprintf
28170         statements.
28171         * config/mcore/mcore-protos.h: Update prototypes for changed
28172         functions in mcore.c.
28173         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
28174         HOST_WIDE_INT and not int.
28175         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
28176         CONST_OK_FOR_N): Likewise.
28177         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
28178         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
28179         an INTVAL.
28180
28181 2007-01-10  Jan Hubicka  <jh@suse.cz>
28182
28183         * tree-vrp.c (remove_range_assertions): Release defs.
28184         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
28185         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
28186
28187 2007-01-10  Paul Brook  <paul@codesourcery.com>
28188
28189         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
28190         * config/arm/arm.md (mulsi3subsi): New insn.
28191
28192 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
28193
28194         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
28195         (tree_transform_and_unroll_loop): New.
28196         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
28197         Declare.
28198
28199 2007-01-10  Robert Kennedy <jimbob@google.com>
28200
28201         * fold-const.c (fold_comparison): Fold comparisons like (x *
28202         1000 < 0) to (x < 0).
28203
28204 2007-01-10  Ian Lance Taylor  <iant@google.com>
28205
28206         * tree-pretty-print.c (dump_generic_node): Print parentheses when
28207         operands have the same priority.
28208
28209 2007-01-10  Tom Tromey  <tromey@redhat.com>
28210
28211         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
28212         (fold_binary): Likewise.
28213         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
28214         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
28215         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
28216         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
28217         * langhooks.h (struct lang_hooks): Removed field
28218         'can_use_bit_fields_p'.
28219
28220 2007-01-10  Ralf CorsÃÂ©pius <ralf.corsepius@rtems.org>
28221
28222         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
28223
28224 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
28225
28226         * function.c (get_last_funcdef_no): New function.
28227         * function.h (get_last_funcdef_no): Declare.
28228         * tree-inline.c (initialize_cfun): Add initialization.
28229         (tree_function_versioning): Cleanup.
28230
28231 2007-01-10  Jan Hubicka  <jh@suse.cz>
28232
28233         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
28234         PHIs.
28235
28236 2007-01-10  Sa Liu  <saliu@de.ibm.com>
28237             Ben Elliston  <bje@au.ibm.com>
28238
28239         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
28240         for SAVE_NONLOCAL and Pmode for any other save level.
28241         * spu-protos.h (spu_restore_stack_block): Declare.
28242         * spu.md (save_stack_block): Remove.
28243         (restore_stack_block): Call spu_restore_stack_block.
28244         * spu.c (spu_restore_stack_block): New function.
28245         (spu_expand_epilogue): Remove old comment.
28246
28247 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
28248
28249         PR tree-optimization/30322
28250         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
28251         (cand_value_at): Return the value as aff_tree.
28252         (may_eliminate_iv): Convert the bound from aff_tree to tree.
28253         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
28254         aff_combination_mult): New functions.
28255         (aff_combination_add): Use aff_combination_add_cst.
28256         (aff_combination_convert): Allow conversions to a wider type.
28257         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
28258         * tree-affine.h (aff_combination_mult): Declare.
28259
28260 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
28261
28262         * doc/tm.texi: Update documentation to reflect reality of exec
28263         and start file search behaviours. Update copyright year.
28264         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
28265         header file directories.
28266
28267 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
28268
28269         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
28270         (*cosxf2): Rename to cosxf2_i387.
28271         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
28272         using X87MODEF12 mode macro. Rename patterns to
28273         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
28274         for SSE math.
28275         (*cosdf2, *cossf2): Ditto.
28276         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
28277         to match extended input operands.
28278         (sincos<mode>3): New expander.
28279         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
28280         insn patterns and corresponding splitters.
28281
28282 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
28283
28284         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
28285         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
28286
28287 2007-01-09  Nicolas Pitre  <nico@cam.org>
28288
28289         PR target/30173
28290         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
28291
28292 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
28293
28294         * target.h (struct gcc_target): New field library_rtti_comdat.
28295         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
28296         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
28297         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
28298         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
28299
28300 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
28301
28302         * doc/invoke.texi (Optimize Options): Correct description of -O0.
28303
28304 2007-01-08  Richard Guenther  <rguenther@suse.de>
28305
28306         * tree.h (force_fit_type_double): Export.
28307         (force_fit_type): Remove.
28308         * fold-const.c (force_fit_type_double): New function.
28309         (force_fit_type): Remove.
28310         (int_const_binop): Use it.
28311         (fold_convert_const_int_from_int): Likewise.
28312         (fold_convert_const_int_from_real): Likewise.
28313         (fold_div_compare): Likewise.
28314         (fold_sign_changed_comparison): Likewise.
28315         (fold_unary): Likewise.
28316         (fold_negate_const): Likewise.
28317         (fold_abs_const): Likewise.
28318         (fold_not_const): Likewise.
28319         * c-common.c (shorten_compare): Use force_fit_type_double.
28320         * convert.c (convert_to_pointer): Likewise.
28321
28322 2007-01-08  Richard Guenther  <rguenther@suse.de>
28323
28324         * tree.h (build_int_cst_wide_type): Export.
28325         * tree.c (build_int_cst_wide_type): New function.
28326         (build_int_cst_wide): Fix comment.
28327         * builtins.c (fold_builtin_object_size): Use build_int_cst
28328         to build -1 or 0 of the correct type.  Use fit_double_type
28329         to check for overflow.
28330         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
28331         to build the mask.
28332         (decode_field_reference): Likewise.
28333         (all_ones_mask_p): Likewise.
28334         (native_interpret_int): Use build_int_cst_wide_type.
28335         (fold_binary): Use build_int_cst_type to build an all-ones
28336         value.
28337         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
28338
28339 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
28340
28341         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
28342
28343 2007-01-09  Ben Elliston  <bje@au.ibm.com>
28344
28345         * genautomata.c (STATS_OPTION): New option.
28346         (stats_flag): New flag.
28347         (gen_automata_option): Handle it.
28348         (initiate_automaton_gen): Ditto.
28349         (write_automata): Output statistics only if stats_flag is
28350         set. Likewise, output time statistics only if time_flag is set.
28351         * doc/md.texi (Processor pipeline description): Document new flag.
28352
28353 2007-01-08  Richard Guenther  <rguenther@suse.de>
28354
28355         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
28356         * tree.c (build_int_cst_type): Likewise.
28357         (size_in_bytes): Don't call force_fit_type on the result.
28358         (int_fits_type_p): Use fit_double_type.
28359         * fold-const.c (fit_double_type): New function.
28360         (force_fit_type): Use it.
28361         * tree.h (fit_double_type): Export.
28362
28363 2007-01-08  Jan Hubicka  <jh@suse.cz>
28364
28365         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
28366         * ipa.c (function_and_variable_visibility): Fix return type.
28367
28368 2007-01-08  Richard Guenther  <rguenther@suse.de>
28369
28370         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
28371         of offset to build the index.
28372         * tree-pretty-print.c (dump_generic_node): Don't build negated
28373         const just for printing.
28374         * c-pretty-print.c (pp_c_integer_constant): Likewise.
28375         * builtins.c (fold_builtin_int_roundingfn): Check if result
28376         fits the type by using force_fit_type and comparing the result.
28377         * predict.c (predict_loops): Use compare_tree_int for comparison.
28378         * tree.c (build_int_cst): Fall back to integer_type_node for
28379         NULL_TREE type.
28380         (build_int_cst_wide): Assert type is non-null.
28381
28382 2007-01-08  Roberto Costa  <roberto.costa@st.com>
28383
28384         * tree-vrp.c (extract_range_from_cond_expr): New.
28385         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
28386         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
28387         as expressions.
28388         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
28389         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
28390         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
28391         used as expressions.
28392         * tree-object-size.c (cond_expr_object_size): New.
28393         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
28394
28395 2007-01-08  Jan Hubicka  <jh@suse.cz>
28396
28397         * tree-ssa-forwprop.c (forward_propagate_into_cond,
28398         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
28399         statement.
28400
28401 2007-01-08  Richard Guenther  <rguenther@suse.de>
28402
28403         PR tree-optimization/23603
28404         * tree-vrp.c (set_value_range_to_truthvalue): New function.
28405         (extract_range_from_binary): Fall back to truthvalue instead of
28406         varying for TRUTH_*_EXPR.
28407         (extract_range_from_comparison): Fall back to truthvalue instead of
28408         varying.
28409         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
28410         if all visited PHI values were constant.
28411
28412 2007-01-08  Jan Hubicka  <jh@suse.cz>
28413
28414         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
28415         (cgraph_analyze_function): break out from ...
28416         (cgraph_finalize_compilation_unit): ... here.
28417         (cgraph_expand_function): Remove forgoten commented out line.
28418         (cgraph_optimize): Analyze functions.
28419
28420 2007-01-08  Jan Hubicka  <jh@suse.cz>
28421
28422         * tree-pas.h (TODO_remove_function): New flag.
28423         (TODO_update*): Renumber.
28424         (pass_ipa_increase_alignment,
28425         pass_ipa_function_and_variable_visibility): New passes.
28426         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
28427         (cgraph_function_and_variable_visibility): Move to ipa.c
28428         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
28429         cgraph_increase_alignment.
28430         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
28431         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
28432         calling tree-inline.
28433         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
28434         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
28435         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
28436         (gate_increase_alignment): New function.
28437         (pass_ipa_increase_alignment): New pass.
28438         * ipa.c: Inline tree-pass.h and timevar.h
28439         (function_and_variable_visibility): Move here from cgraphunit.c
28440         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
28441         * passes.c (init_optimization_passes): Add the two new passes.
28442         (execute_todo): Handle cgraph_remove_functions.
28443
28444 2007-01-08  Nick Clifton  <nickc@redhat.com>
28445
28446         * config/frv/predicates.md (reg_or_0_operand): Accept
28447         CONST_DOUBLEs.
28448
28449 2007-01-08  Ralf CorsÃÂ©pius <ralf.corsepius@rtems.org>
28450
28451         * config/bfin/rtems.h, config/bfin/t-rtems: New.
28452         * config.gcc: Add bfin*-rtems*.
28453
28454 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
28455
28456         * c.opt: Add -flax-vector-conversions.
28457         * c-typeck.c (convert_for_assignment): Pass flag to
28458         vector_types_convertible_p to allow emission of note.
28459         (digest_init): Likewise.
28460         * c-opts.c: Handle -flax-vector-conversions.
28461         * c-common.c (flag_lax_vector_conversions): New.
28462         (vector_types_convertible_p): Unless -flax-vector conversions
28463         has been passed, disallow conversions between vectors with
28464         differing numbers of subparts and/or element types.  If such
28465         a conversion is disallowed, possibly emit a note on the first
28466         occasion only to inform the user of -flax-vector-conversions.
28467         The new last argument specifies this.
28468         * c-common.h (flag_lax_vector_conversions): New.
28469         (vector_types_convertible_p): Add extra argument.
28470         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
28471         char_type_node for V*QI type vectors.
28472         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
28473         Update to satisfy new typechecking rules.
28474         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
28475         C and C++ variants.
28476         * doc/invoke.texi (C Dialect Options): Document
28477         -flax-vector-conversions.
28478
28479 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
28480
28481         PR tree-optimization/29877
28482         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
28483         a register variable on the RHS to not be replaceable.
28484
28485 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
28486         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
28487         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
28488         const_simm15, const_pow2, const_npow2): Added.
28489         * config/score/misc.md (insv, extv, extzv, movmemsi,
28490         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
28491         * config/score/score.c (score_address_cost, score_select_cc_mode):
28492         Added.
28493         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
28494         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
28495         Update score_print_operand.
28496         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
28497         Adjust register allocate order and update some macro define.
28498         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
28499         mdx_block_move_straight, mdx_block_move_loop_head,
28500         mdx_block_move_loop_body, mdx_block_move_loop_foot,
28501         mdx_block_move_loop, mdx_block_move): Added.
28502         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
28503         mdp_limm): Updated and fix some bug and typo.
28504         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
28505         (movsf, movdf, doloop_end): Added.
28506
28507 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
28508
28509         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
28510         config/arm/thumb2.md: Fix comment typos.
28511         * doc/extend.texi: Fix a typo.
28512
28513 2007-01-07  Eric Christopher  <echristo@apple.com>
28514
28515         * configure.ac: Check for __stack_chk_fail for darwin.
28516         * configure: Regenerate.
28517
28518 2007-01-07  Richard Guenther  <rguenther@suse.de>
28519
28520         * tree-vrp.c (extract_range_from_assert): CSE calls to
28521         compare_values where possible.
28522         (extract_range_from_unary_expr): Likewise.
28523
28524 2007-01-07  Anatoly Sokolov <aesok@post.ru>
28525
28526         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
28527         * config/avr/avr.c (call_insn_operand): Delete function.
28528         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
28529         instead of register number. Use predicates.
28530         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
28531         call_insn_operand): Add.
28532
28533 2007-01-06  Jan Hubicka  <jh@suse.cz>
28534
28535         * tree-pass.h (pass_build_cgraph_edges): Declare.
28536         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
28537         (visited_nodes): Remove.
28538         (cgraph_create_edges): Move to cgraphbuild.c; rename to
28539         build_cgrpah_edges; make visited_nodes local.
28540         (cgraph_process_new_functions): DO not call initialize_inline_failed.
28541         (record_references_in_initializer): Move to cgraphbuild.c
28542         (initialize_inline_failed, rebuild_cgraph_edges,
28543         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
28544         (verify_cgraph_node): Make visited_nodes local.
28545         (cgraph_analyze_function): Do not call cgraph_create_edges and
28546         initialize_inline_failed.
28547         (cgraph_expand_function): Do not call cgraph_lower_function;
28548         assert that function is already lowered.
28549         * Makefile.in (cgraphbuild.o): New.
28550         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
28551         at the end of lowering passes.
28552
28553 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
28554
28555         * ifcvt.c (cond_move_convert_if_block): New function, code
28556         factored out from...
28557         (cond_move_process_if_block): ...here.  Call the new function
28558         on the THEN and ELSE blocks.
28559         (merge_if_block): Do not copy global_live_at_end, merge_blocks
28560         already takes care of this.
28561
28562 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28563
28564         PR c/19978
28565         * tree.h (TREE_OVERFLOW_P): New.
28566         * c-typeck.c (parser_build_unary_op): Warn only if result
28567         overflowed and operands did not.
28568         (parser_build_binary_op): Likewise.
28569         (convert_for_assignment): Remove redundant overflow_warning.
28570         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
28571
28572 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28573
28574         * c-typeck.c (store_init_value): Split over two lines to follow
28575         the GNU coding style.
28576
28577 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
28578
28579         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
28580         __GXX_EXPERIMENTAL_CXX0X__.
28581         * doc/cpp.texi: Same.
28582
28583 2007-01-05  Richard Guenther  <rguenther@suse.de>
28584
28585         PR middle-end/27826
28586         * tree.c (get_narrower): Do not construct COMPONENT_REFs
28587         with mismatched types.  Instead explicitly build a
28588         conversion NOP_EXPR.
28589
28590 2007-01-05  Ian Lance Taylor  <iant@google.com>
28591
28592         * c-common.c (decl_with_nonnull_addr_p): New function.
28593         (c_common_truthvalue_conversion): Call it.
28594         * c-typeck.c (build_binary_op): Likewise.
28595         * c-common.h (decl_with_nonnull_addr_p): Declare.
28596
28597 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
28598
28599         PR c/30360
28600         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
28601         denom against 0.0.
28602
28603 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
28604
28605         * doc/install.texi (Final install): Document the fact that
28606         the GNAT runtime should not be stripped.
28607
28608 2007-01-04  Jan Hubicka  <jh@suse.cz>
28609
28610         * tree-inline.c (fold_marked_statements): Update operand caches
28611         and EH after folding
28612
28613 2007-01-04  Ian Lance Taylor  <iant@google.com>
28614
28615         * c-common.c (check_function_nonnull): Whitespace fix.
28616
28617 2007-01-04  Jan Hubicka  <jh@suse.cz>
28618
28619         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
28620         comitted older version of patch.
28621         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
28622         function, celanup cfg and collect garbage.
28623
28624 2007-01-04  Mike Stump  <mrs@apple.com>
28625
28626         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
28627         (clean): Likewise.
28628
28629 2007-01-04  Eric Christopher  <echristo@apple.com>
28630
28631         * libgcc2.c (__bswapsi2): Use SItype.
28632         (__bswapdi2): Use DItype.
28633         * libgcc2.h: Update for above.
28634
28635 2007-01-04  Paul Brook  <paul@codesourcery.com>
28636
28637         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
28638         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
28639         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
28640         umulsidi3, umulsidi3adddi, smulsi3_highpart,
28641         umulsi3_highpart): Make conditional on !arm_arch6.
28642         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
28643         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
28644         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
28645         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
28646         umulsi3_highpart_v6): New insns.
28647
28648 2007-01-04  Roger Sayle  <roger@eyesopen.com>
28649
28650         * fold-const.c (fold_convert): When casting an expression to void,
28651         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
28652         have a type.  Instead of attempting to build a NOP_EXPR, return
28653         these "special" trees directly.
28654
28655 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
28656
28657         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
28658         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
28659         rs6000_cost->fp not 0 as adjustment for outer NEG.
28660
28661 2007-01-04  Jan Hubicka  <jh@suse.cz>
28662
28663         * cgraph.c (cgraph_release_function_body): New function.
28664         (cgraph_remove_node): Use it.
28665         * cgraph.h (cgraph_release_function_body): Declare.
28666         * cgraphunit.c (cgraph_expand_function): Use it.
28667         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
28668         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
28669         is initialized and while compilation of other function is running.
28670         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
28671         statement CFG annotations from here to ...
28672         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
28673
28674 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
28675
28676         * cfgloop.h (enum li_flags): Make the constants powers of two.
28677
28678 2007-01-04  Jan Hubicka  <jh@suse.cz>
28679
28680         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
28681         set.
28682         (fold_marked_statements): New function.
28683         (optimize_inline_calls, tree_function_versioning): Fold new statements.
28684         * tree-inline.h (copy_body_data): Add statements_to_fold.
28685
28686 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
28687
28688         * config.gcc: Mention libgcc/config.host.
28689         * Makefile.in: Update comments mentioning libgcc.
28690         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
28691         (all.cross, start.encap, rest.encap, rest.cross): Update
28692         dependencies for libgcc move.
28693         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
28694         (clean-target, clean-target-libgcc): Delete.
28695         (srcdirify, GCC_EXTRA_PARTS): New macros.
28696         (libgcc-support, libgcc.mvars): New rules.
28697         (distclean): Remove mention of mklibgcc.
28698         (install): Don't reference INSTALL_LIBGCC.
28699         (install-common): Don't reference EXTRA_PARTS.
28700         (install-libgcc, install-multilib): Delete rules.
28701         * mklibgcc.in: Delete file.
28702         * doc/configfiles.texi: Don't mention mklibgcc.
28703
28704         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
28705         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
28706         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
28707         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
28708         (mklibgcc, ldblspecs): Likewise.
28709
28710         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
28711         (posixpre.def): Use $(T).
28712         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
28713         (SHLIB_SRC, SHLIB_INSTALL): Delete.
28714         (SHLIB_LINK): Make dummy.
28715         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
28716
28717         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
28718
28719         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
28720         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
28721         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
28722         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
28723
28724         * configure.ac (all_outputs): Remove mklibgcc.
28725         * configure: Regenerated.
28726
28727 2007-01-03  Josh Conner  <jconner@apple.com>
28728
28729         PR middle-end/29683
28730         * calls.c (compute_argument_addresses): Set stack and stack_slot
28731         for partial args, too.
28732         (store_one_arg): Use locate.size.constant for the size when
28733         generating a save_area.
28734
28735 2007-01-03  Robert Kennedy <jimbob@google.com>
28736
28737         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
28738         whose definitions are deleted due to basic block merging.
28739
28740 2007-01-03  Paul Brook  <paul@codesourcery.com>
28741
28742         PR target/16634
28743         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
28744         functions.
28745         (use_return_insn): Return 0 for Thumb interrupt functions.
28746         (print_multi_reg): Add rfe argument for IRQ returns.
28747         (arm_output_epilogue): Pop interrupt return address directly into PC.
28748         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
28749
28750 2007-01-03  Paul Brook  <paul@codesourcery.com>
28751
28752         Merge from sourcerygxx-4_1.
28753         * config/arm/thumb2.md: New file.
28754         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
28755         Thumb-2.
28756         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
28757         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28758         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
28759         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
28760         tables.
28761         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28762         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
28763         comptibility.
28764         * config/arm/ieee754-sf.S: Ditto.
28765         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
28766         (thumb1_base_register_rtx_p): ... to this.
28767         (thumb_index_register_rtx_p): Rename...
28768         (thumb1_index_register_rtx_p): ... to this.
28769         (thumb_output_function_prologue): Rename...
28770         (thumb1_output_function_prologue): ... to this.
28771         (thumb_legitimate_address_p): Rename...
28772         (thumb1_legitimate_address_p): ... to this.
28773         (thumb_rtx_costs): Rename...
28774         (thumb1_rtx_costs): ... to this.
28775         (thumb_compute_save_reg_mask): Rename...
28776         (thumb1_compute_save_reg_mask): ... to this.
28777         (thumb_final_prescan_insn): Rename...
28778         (thumb1_final_prescan_insn): ... to this.
28779         (thumb_expand_epilogue): Rename...
28780         (thumb1_expand_epilogue): ... to this.
28781         (arm_unwind_emit_stm): Rename...
28782         (arm_unwind_emit_sequence): ... to this.
28783         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
28784         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
28785         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
28786         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
28787         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
28788         thumb2_output_casesi): New functions.
28789         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
28790         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
28791         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
28792         THUMB2_WORK_REGS): Define.
28793         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
28794         arm_condexec_mask, arm_condexec_masklen)): New variables.
28795         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
28796         (arm_override_options): Check new CPU capabilities.
28797         Set new architecture flag variables.
28798         (arm_isr_value): Handle v7m interrupt functions.
28799         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
28800         Thumb-2.
28801         (const_ok_for_arm): Handle Thumb-2 constants.
28802         (arm_gen_constant): Ditto.  Use movw when available.
28803         (arm_function_ok_for_sibcall): Return false for v7m interrupt
28804         functions.
28805         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
28806         (thumb_find_work_register, arm_load_pic_register,
28807         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
28808         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
28809         print_multi_reg, output_mov_long_double_fpa_from_arm,
28810         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
28811         output_mov_double_fpa_from_arm, output_move_double,
28812         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
28813         output_return_instruction, arm_output_function_prologue,
28814         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
28815         arm_output_mi_thunk, thumb_set_return_address): Ditto.
28816         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
28817         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
28818         (arithmetic_instr, shift_op): Use arm_shift_nmem.
28819         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
28820         '!' and 'L'.
28821         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
28822         (thumb_expand_prologue): Use thumb_set_frame_pointer.
28823         (arm_file_start): Output directive for unified syntax.
28824         (arm_unwind_emit_set): Handle stack alignment instruction.
28825         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
28826         Add v6t2, v7, v7a, v7r and v7m.
28827         (RETLDM): Add Thumb-2 code.
28828         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
28829         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
28830         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
28831         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
28832         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
28833         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
28834         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
28835         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
28836         ADJUST_INSN_LENGTH): Define.
28837         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
28838         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
28839         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
28840         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
28841         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
28842         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
28843         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
28844         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
28845         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
28846         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
28847         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
28848         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
28849         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
28850         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
28851         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
28852         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
28853         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
28854         cortex-m3.
28855         * config/arm/arm-tune.md: Regenerate.
28856         * config/arm/arm-protos.h: Update prototypes.
28857         * config/arm/vfp.md: Enable patterns for Thumb-2.
28858         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
28859         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
28860         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
28861         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
28862         * config/arm/libunwind.S: Add Thumb-2 code.
28863         * config/arm/constraints.md: Update include Thumb-2.
28864         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
28865         * config/arm/ieee754-df.S: Ditto.
28866         * config/arm/bpabi.S: Ditto.
28867         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
28868         * config/arm/predicates.md (low_register_operand,
28869         low_reg_or_int_operand, thumb_16bit_operator): New.
28870         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
28871         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
28872         * config/arm/t-arm-elf: Add armv7 multilib.
28873         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
28874         Include thumb2.md.
28875         (UNSPEC_STACK_ALIGN, ce_count): New.
28876         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
28877         arm_zero_extendsidi2, arm_zero_extendqidi2): New
28878         insns/expanders.
28879         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
28880         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
28881         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
28882         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
28883         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
28884         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
28885         insns.
28886         * doc/extend.texi: Document ARMv7-M interrupt functions.
28887         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
28888
28889 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
28890
28891         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
28892         (struct _Unwind_Context): Rename args_size to flags, remove
28893         signal_frame field, add a new args_size field and version field.
28894         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
28895         _Unwind_IsExtendedContext): New inline functions.
28896         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
28897         Assume by_value array is only present if _Unwind_IsExtendedContext.
28898         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
28899         _Unwind_IsSignalFrame.
28900         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
28901         (uw_update_context_1): Use _Unwind_SetSignalFrame.
28902         (uw_init_context_1): Initialize context->flags to
28903         EXTENDED_CONTEXT_BIT.
28904         * config/rs6000/linux-unwind.h (frob_update_context): Use
28905         _Unwind_SetSignalFrame.
28906
28907 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28908
28909         PR middle-end/30353
28910         * gimplify.c (gimplify_modify_expr_complex_part): Move below
28911         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
28912         the value.
28913
28914 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
28915
28916         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
28917         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
28918         RET, AT_SP): Remove.
28919         * config/i386/i386.md (*sse_prologue_save_insn): Use return
28920         instead of RET.
28921
28922         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28923         * cfgbuild.c (find_basic_blocks): Likewise.
28924         * cfgrtl.c (rtl_create_basic_block): Likewise.
28925         * function.c (temp_slots_at_level): Likewise.
28926         * reg-stack.c (stack_regs_mentioned): Likewise.
28927         * regclass.c (allocate_reg_info): Likewise.
28928         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28929         set_bb_for_stmt, move_block_to_fn): Likewise.
28930         * tree-complex.c (tree_lower_complex): Likewise.
28931         * vec.h (VEC_safe_grow_cleared): New.
28932
28933         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
28934
28935 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
28936
28937         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
28938         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
28939         to loop_version.
28940         * cfgloopmanip.c (scale_loop_frequencies): Export.
28941         (loopify): Scale the frequencies by prescribed coefficients.
28942         (set_zero_probability): New function.
28943         (duplicate_loop_to_header_edge): Improve updating of frequencies.
28944         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
28945         and frequencies according to arguments.
28946         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
28947         correctly.
28948         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
28949         * modulo-sched.c (sms_schedule): Set probabilities for entering
28950         versioned loop correctly.
28951         * tree-vect-transform.c (vect_transform_loop): Ditto.
28952         * cfgloop.h (loopify, loop_version): Declaration changed.
28953         (scale_loop_frequencies): Declared.
28954
28955 2007-01-02  Jan Hubicka  <jh@suse.cz>
28956
28957         * cgraph.c: Include tree-flow.h
28958         (cgraph_add_new-function): Handle IPA_SSA mode; execute
28959         early_local_passes.
28960         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
28961         * tree-pass.h (pass_all_early_optimizations): Declare.
28962         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
28963         early_local_passes.
28964         (cgraph_analyze_function): Do early_local_passes.
28965         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28966         Do not add referenced vars.
28967         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
28968         SSA form.
28969         (gate_all_early_local_passes): New gate.
28970         (pass_early_local_passes): Use new gate.
28971         (execute_early_local_optimizations): New functions.
28972         (gate_all_early_optimizations): New gate.
28973         (pass_all_early_optimizations): New pass.
28974         (execute_free_datastructures): Free SSA only when initialized.
28975         (gate_init_datastructures): Init only when optimizing.
28976         (tree_lowering_passes): Do early local passes when called late.
28977         * tree-profile.c (do_tree_profiling): Don't profile functions added
28978         late.
28979         (do_early_tree_profiling, pass_early_tree_profile): Kill.
28980         * tree-cfg.c (update_modified_stmts): Do not update when operands are
28981         not active.
28982         * passes.c (init_optimizations_passes): Reorder so we go into SSA
28983         during early_local_passes.
28984         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
28985
28986
28987 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28988
28989         * Makefile.in: Update copyright year.
28990
28991 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28992
28993         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
28994         in $(lang_checks) and check-consistency targets.
28995
28996 2007-01-02  Jan Hubicka  <jh@suse.cz>
28997
28998         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28999         Do not add referenced vars.
29000         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
29001         are not active.
29002         * passes.c (init_optimization_passes): Put mudflap_2 after
29003         free_datastructures.
29004
29005 2007-01-02  Jan Hubicka  <jh@suse.cz>
29006
29007         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
29008         Set NOTHROW flag on call statements proved to be nothrow.
29009         Update statement of local calls so new pure/const functions are
29010         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
29011         goto receivers.
29012         (tree_rest_of_compilation): Register hooks and initialize bitmap
29013         early. Do not set after_inlining flag.
29014
29015 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
29016
29017         * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
29018         HOST_BITS_PER_LONGLONG
29019
29020 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
29021
29022         PR c/19977
29023         * c-typeck.c (store_init_value): Don't emit pedantic overflow
29024         warning for non-static initializers.
29025
29026 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
29027
29028         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
29029         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
29030         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
29031         Always use set_unique_reg_note to add REG_EQUAL notes.
29032
29033 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
29034
29035         Revert:
29036         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
29037
29038         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
29039         * cfgbuild.c (find_basic_blocks): Likewise.
29040         * cfgrtl.c (rtl_create_basic_block): Likewise.
29041         * function.c (temp_slots_at_level): Likewise.
29042         * reg-stack.c (stack_regs_mentioned): Likewise.
29043         * regclass.c (allocate_reg_info): Likewise.
29044         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
29045         set_bb_for_stmt, move_block_to_fn): Likewise.
29046         * tree-complex.c (tree_lower_complex): Likewise.
29047         * vec.h (VEC_safe_grow_cleared): New.
29048
29049 2007-01-02  Ian Lance Taylor  <iant@google.com>
29050
29051         * c-common.c (c_common_truthvalue_conversion): When warning about
29052         using an assignment as a truth value, set TREE_NO_WARNING.
29053
29054 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
29055
29056         PR middle-end/7651
29057         * c.opt (Wold-style-declaration): New.
29058         * doc/invoke.texi (C-only Warning Options): New.
29059         (Wold-style-declaration): Document it.
29060         (Wextra): Enabled by -Wextra.
29061         * c-opts.c (c_common_post_options): Enabled by -Wextra.
29062         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
29063         -Wold-style-declaration.
29064
29065 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
29066
29067         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
29068         * cfgbuild.c (find_basic_blocks): Likewise.
29069         * cfgrtl.c (rtl_create_basic_block): Likewise.
29070         * function.c (temp_slots_at_level): Likewise.
29071         * reg-stack.c (stack_regs_mentioned): Likewise.
29072         * regclass.c (allocate_reg_info): Likewise.
29073         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
29074         set_bb_for_stmt, move_block_to_fn): Likewise.
29075         * tree-complex.c (tree_lower_complex): Likewise.
29076         * vec.h (VEC_safe_grow_cleared): New.
29077
29078 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
29079
29080         * c-common.c (c_common_nodes_and_builtins): Since variants of
29081         void_type_node get built before it is given a name, we need to
29082         give those variants the name, too.
29083         (complete_array_type): We need to work with the canonical main
29084         type of the array, from which we will build the qualified version.
29085         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
29086         * print-tree.c (print_node): Display canonical type information
29087         for each type.
29088         * stor-layout.c (layout_type): When we don't know the
29089         alignment of a type for which we're building an array, we end up
29090         guessing wrong, so make the type require structural equality.
29091         * tree.c (make_node_stat): When we build a new type, it is its
29092         own canonical type.
29093         (build_type_attribute_qual_variant): When building an attribute
29094         variant, its canonical type is the non-attribute variant. However,
29095         if the attributes are target-dependent and they differ, we need to
29096         use structural equality checks for this type.
29097         (build_qualified_type): A qualified type is not equivalent to its
29098         unqualified variant; set the canonical type appropriately.
29099         (build_distinct_type_copy): When building a distinct type from
29100         another type, the new type is its own canonical type.
29101         (build_variant_type_copy): When building a new type variant, we
29102         assume that it is equivalent to the original type.
29103         (build_pointer_type_for_mode): When building a pointer type, also
29104         build a canonical type pointer.
29105         (build_reference_type_for_mode): When building a reference type,
29106         also build a canonical type reference.
29107         (build_index_type): When we can't hash an index type (e.g.,
29108         because its maximum value is negative), the index type requires
29109         structural equality tests.
29110         (build_array_type): Build the canonical form of an array type.
29111         (build_function_type): Function types require structural equality,
29112         because they contain default arguments, attributes, etc.
29113         (build_method_type_directly): Ditto for method types.
29114         (build_offset_type): Build the canonical offset type.
29115         (build_complex_type): Build the canonical vector type.
29116         (make_vector_type): Build the canonical vector type.
29117         * tree.h (TYPE_CANONICAL): New.
29118         (TYPE_STRUCTURAL_EQUALITY_P): New.
29119         (SET_TYPE_STRUCTURAL_EQUALITY): New.
29120         (struct tree_type): Added "canonical" field.
29121         * params.h (VERIFY_CANONICAL_TYPES): New.
29122         * doc/c-tree.texi (TYPE_CANONICAL): Document.
29123         (TYPE_STRUCTURAL_EQUALITY_P): Document.
29124         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
29125         * doc/invoke.texi (verify-canonical-types): Document --param
29126         parameter for verifying canonical types.
29127
29128 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
29129
29130         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
29131         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
29132         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
29133         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
29134         tm_file.
29135         * config/rs6000/e500.h: New.
29136         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
29137         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
29138         Remove.
29139         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
29140         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
29141         TARGET_E500_DOUBLE): Remove.
29142         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
29143         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
29144         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
29145         * config/rs6000/rs6000.c (rs6000_override_options): Use
29146         CHECK_E500_OPTIONS.
29147
29148 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
29149
29150         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
29151         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
29152         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
29153         rs6000_emit_cmove): Don't check TARGET_E500.
29154         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
29155         sordered): Don't check TARGET_E500.
29156
29157 2007-01-01  Eric Christopher  <echristo@apple.com>
29158
29159         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
29160         HARD_REGISTER_NUM_P.
29161
29162 2007-01-01  Roger Sayle  <roger@eyesopen.com>
29163
29164         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
29165         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
29166         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
29167         eq/ne Y".
29168
29169 2007-01-01  Mike Stump  <mrs@apple.com>
29170
29171         * configure.ac: Remove support for building with Apple's gcc-3.1.
29172
29173 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
29174
29175         PR middle-end/30311
29176         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
29177         REG is a hard register.  Do not modify REG before calling
29178         subreg_nregs.
29179         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
29180         multiple of the size of YMODE for certain lowpart cases.
29181
29182 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
29183
29184         PR middle-end/30253
29185         * gimplify (voidify_wrapper_expr): Update for
29186         GIMPLE_MODIFY_STMT.
29187
29188 2007-01-01  Andreas Schwab  <schwab@suse.de>
29189
29190         PR target/29166
29191         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
29192         save of BR0 in extra_spill_size instead of spill_size.
29193         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
29194         area.
29195         (ia64_expand_epilogue): Restore BR0 from its new location.
29196
29197 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
29198
29199         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
29200         Use a temporary variable if the left hand side is not a gimple
29201         register.
29202
29203 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
29204
29205         * gimplify.c (gimplify_return_expr): Make the temporary variable
29206         for the return expression, a gimple register variable.
29207
29208 2007-01-01  Jan Hubicka  <jh@suse.cz>
29209
29210         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
29211         INSN_LIST.
29212
29213 2007-01-01  Mike Stump  <mrs@apple.com>
29214
29215         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
29216         .literal16.
29217         * config/darwin.c (machopic_select_rtx_section): Use
29218         HAVE_GAS_LITERAL16.
29219         (darwin_mergeable_constant_section): Likewise.
29220         * configure: Regenerate.
29221         * config.in: Regenerate.
29222
29223 2007-01-01  Jan Hubicka  <jh@suse.cz>
29224             Andrew Pinski  <pinskia@gmail.com>
29225
29226         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
29227         before starting IPA passes.