gcc/ChangeLog

   1 2007-09-25  DJ Delorie  <dj@redhat.com>
   2
   3         PR target/33551
   4         * config/m32c/m32c.c (m32c_immd_dbl_mov): Use INTVAL instead of
   5         XINT.
   6
   7 2007-09-25  Michael Meissner  <michael.meissner@amd.com>
   8
   9         PR c/33524
  10         * config/i386/i386.c (ix86_expand_sse5_unpack): Change to call
  11         gen_sse5_pperm_sign_v4si_v2di and gen_sse5_pperm_zero_v4si_v2di
  12         for vector int32 -> int64 conversions.  Don't write beyond the end
  13         of the allocated vector for int32 -> int64 conversions.
  14
  15 2007-09-25  Revital Eres  <eres@il.ibm.com>
  16
  17         * config/rs6000/paired.h (paired_sel): New.
  18         * config/rs6000/rs6000.c (bdesc_3arg): Add selv2sf4.
  19         (rs6000_expand_ternop_builtin): Pass zero const_double operand
  20         when expanding selv2sf.
  21         * config/rs6000/rs6000.h (rs6000_builtins): Add
  22         PAIRED_BUILTIN_SELV2SF4.
  23
  24 2007-09-25  Joseph Myers  <joseph@codesourcery.com>
  25
  26         PR c/32295
  27         * c-typeck.c (default_conversion): Call require_complete_type
  28         before perform_integral_promotions.
  29         (build_unary_op): Call require_complete_type except for ADDR_EXPR.
  30         (build_c_cast): Call require_complete_type except for casts to
  31         void types.
  32         (convert_for_assignment): Call require_complete_type.
  33
  34 2007-09-25  Revital Eres  <eres@il.ibm.com>
  35
  36         * config/spu/spu.md: Fix doloop pattern.
  37
  38 2007-09-25  Bernd Schmidt  <bernd.schmidt@analog.com>
  39
  40         * config/bfin/bfin.c (expand_prologue_reg_save,
  41         expand_epilogue_reg_restore): Code to save and restore I/M/B/L regs and
  42         ASTAT moved here...
  43         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
  44         ... from here.  New argument ALL; callers changed.
  45         (n_regs_saved_by_prologue): Count ASTAT for plain saveall functions.
  46         (bfin_expand_prologue, bfin_expand_epilogue): Deal with functions that
  47         have the "saveall" attribute.
  48
  49 2007-09-25  Hans-Peter Nilsson  <hp@bitrange.com>
  50
  51         * config/mmix/mmix.h (FUNCTION_INCOMING_ARG_REGNO_P): Don't define
  52         bogus target macro.
  53         (INCOMING_REGNO, OUTGOING_REGNO): Define.
  54         * config/mmix/mmix.c (mmix_opposite_regno): New function.
  55         * config/mmix/mmix-protos.h (mmix_opposite_regno): Prototype.
  56
  57         * config/mmix/mmix.md ("*cmpcc_folded"): In condition, gate
  58         with REG_P tests before REGNO access.
  59
  60 2007-09-24  DJ Delorie  <dj@redhat.com>
  61
  62         PR target/31482
  63         * config/m32c/cond.md (stzx_reversed_<mode>): Add an output
  64         constraint.
  65         (movqicc_<code>_<mode>): Likewise.
  66         (movhicc_<code>_<mode>): Likewise.
  67
  68 2007-09-24  Rask Ingemann Lambertsen  <rask@sygehus.dk>
  69
  70         PR target/33184
  71         * config/m32c/m32c.c (m32c_eh_return_data_regno): Leave an address
  72         register for reload.
  73
  74 2007-09-24  Danny Smith  <dannysmith@user.sourceforge.net>
  75
  76         PR c++/14688
  77         * config/i386/i386.c (ix86_comp_type_attributes): Check
  78         METHOD_TYPE too.
  79
  80 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
  81
  82         * config/m68k/m68k.h (ASM_OUTPUT_ALIGN_WITH_NOP): New, use
  83         "move.l %a4,%a4" to produce nops.
  84         * config/m68k/m68k.c (override_options): Reset align options,
  85         if neccessary align macro isn't avaible.
  86
  87 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
  88
  89         config/m68k/linux.h (PREFERRED_STACK_BOUNDARY): New.
  90
  91 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
  92
  93         * config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave
  94         the basic block.
  95         * config/m68k/m68k.md (movsi_m68k): Allow certain constant when
  96         reload is completed.
  97         (peephole pattern): Convert most of them to RTL peephole pattern.
  98
  99 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 100
 101         * config/m68k/m68k.c (notice_update_cc): Recognize fp compare
 102         (moved from fp compare patterns).
 103         * config/m68k/m68k.md (cmp<mode>, cmp<mode>_68881, cmp<mode>_cf):
 104         Cleanup predicates to relieve reload.
 105         (conditional_trap): Reject conditional trap with fp condition.
 106         * gcc/config/m68k/predicates.md (fp_src_operand): New, reject
 107         certain constants early.
 108
 109 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 110
 111         * gcc/final.c (final_scan_insn): Remove accidentally duplicated code.
 112
 113 2007-09-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 114
 115         * config.gcc (powerpc*-*-*): --with-cpu=cell is a 64bit CPU.
 116         Allow --with-tune=cell and --with-cpu=cell.
 117
 118 2007-09-24  David Edelsohn  <edelsohn@gnu.org>
 119
 120         * config/rs6000/rs6000-protos.h (rs6000_emit_swrsqrtsf): Declare.
 121         * config/rs6000/rs6000.opt (swdiv): Change option to ...
 122         (recip): this.
 123         * config/rs6000/rs6000.c (rs6000_builtin_reciprocal): New
 124         function.
 125         (TARGET_BUILTIN_RECIPROCAL): Use it.
 126         (rs6000_builtin_expand): Expand recip, recipf, and rsqrtf.
 127         (rs6000_init_builtins): Initialize recip, recipf, and rsqrtf.
 128         (rs6000_emit_swrsqrtsf): New.
 129         * config/rs6000/rs6000.h (rs6000_builtins): Add recip, recipf, and
 130         rsqrtf.
 131         * config/rs6000/rs6000.md (UNSPEC_RSQRT): Define.
 132         (divsf3): Remove swdiv support.
 133         (recipsf3): New.
 134         (rsqrtsf2): New.
 135         (rsqrt_internal1): New.
 136         (divdf3): Remove swdiv support.
 137         (reciptdf3): New.
 138
 139 2007-09-24  Jakub Jelinek  <jakub@redhat.com>
 140
 141         PR c++/33506
 142         * langhooks.h (struct lang_hooks_for_types): Add type_hash_eq
 143         field.
 144         * langhooks-def.h (LANG_HOOKS_TYPE_HASH_EQ): Define.
 145         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_TYPE_HASH_EQ.
 146         * tree.c (type_hash_eq): For FUNCTION_TYPE use
 147         lang_hooks.type.type_hash_eq in addition to generic tests.
 148
 149 2007-09-24  Pranav Bhandarkar  <pranav.bhandarkar@celunite.com>
 150         Ramana Radhakrishnan  <ramana@hercules.pun.celunite.com>
 151
 152         * tree-inline.h (eni_weights): Add field target_builtin_cost to
 153         reflect the cost per call to a target specific builtin.
 154         * tree-inline.c (estimate_num_insns_1): If it is a CALL_EXPR for a
 155         call to a target specific builtin, then use target_builtin_call_cost.
 156         (init_inline_once): Initialize target_builtin_call_cost field.
 157
 158 2007-09-24  Kai Tietz  <kai.tietz@onevision.com>
 159
 160         PR middle-end/33472
 161         * config/i386/i386.c (return_in_memory_ms_64): Handle return types for
 162         complex types.
 163
 164 2007-09-23  H.J. Lu  <hongjiu.lu@intel.com>
 165
 166         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
 167         * configure: Regenerated.
 168
 169 2007-09-23  Ollie Wild  <aaw@google.com>
 170
 171         * fold-const.c (fold_binary): Fold BIT_AND_EXPR's with a pointer
 172         operand.
 173         (get_pointer_modulus_and_residue): New function.
 174
 175 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 176
 177         * config/mips/mips.c (build_mips16_call_stub): On 64-bit targets,
 178         combine an SC return value into a single register.
 179
 180 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 181
 182         * opth-gen.awk (target_flags_explicit): Declare.
 183         * toplev.h (target_flags_explicit): Delete declaration.
 184         * toplev.c (target_flags): Likewise.
 185         * config/mips/mips.h (mips_llsc_setting, mips_llsc): Delete.
 186         (GENERATE_SYNC, GENERATE_LL_SC): Redefine using target_explicit_flags.
 187         Never return true for TARGET_MIPS16.
 188         * config/mips/mips.c (mips_llsc): Delete.
 189         (mips_handle_option): Remove -mllsc handling.
 190         (mips_strip_unspec_address): Tweak comment.
 191         * config/mips/mips.opt (mllsc): Use a target mask.
 192
 193 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 194
 195         * doc/tm.texi (POINTERS_EXTEND_UNSIGNED): Document extensions to
 196         word_mode as well as Pmode.
 197
 198 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 199
 200         * function.c (assign_parm_setup_block): Explicitly convert BLKmode
 201         parameters from word_mode to the subword type if such a truncation
 202         is not a no-op.
 203
 204 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
 205
 206         * configure.ac (MAKEINFO): Handle makeinfo version 4.10 and above.
 207         * configure: Regenerated.
 208
 209 2007-09-23  Jan Hubicka  <jh@suse.cz>
 210
 211         * params.def (INLINE_CALL_COST): Set to 12.
 212         * invoke.texi (inline-call-cost): Update default value.
 213
 214 2007-09-23  Eric Botcazou  <ebotcazou@adacore.com>
 215
 216         * config/alpha/alpha.md (movti): Use operand_subword for the split.
 217
 218 2007-09-23  Ayal Zaks  <zaks@il.ibm.com>
 219             Revital Eres  <eres@il.ibm.com>
 220
 221         * modulo-sched.c (doloop_register_get): Rewrite the loop which
 222         checks whether the count_reg is found outside the control part.
 223
 224 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
 225
 226         * expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
 227         instead of checking CALL_EXPR_FN directly to test for builtins.
 228         If error or warning attributes are present, print
 229         error resp. warning.
 230         * c-common.c (handle_error_attribute): New function.
 231         (c_common_attribute_table): Add error and warning
 232         attributes.
 233         * doc/extend.texi: Document error and warning attributes.
 234
 235         * tree.h (block_nonartificial_location): New prototype.
 236         * tree.c (block_nonartificial_location): New function.
 237         * dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial
 238         if artificial attribute is present on abstract inline decl.
 239         * c-common.c (handle_artificial_attribute): New function.
 240         (c_common_attribute_table): Add artificial attribute.
 241         * final.c (override_filename, override_linenum): New variables.
 242         (final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename
 243         and override_linenum if inside of a block inlined from
 244         __attribute__((__artificial__)) function.
 245         (notice_source_line): Honor override_filename and override_linenum.
 246         * doc/extend.texi: Document __attribute__((__artificial__)).
 247         * config/i386/emmintrin.h: Add __artificial__ attribute to
 248         all __always_inline__ functions.
 249         * config/i386/mmintrin.h: Likewise.
 250         * config/i386/tmmintrin.h: Likewise.
 251         * config/i386/mm3dnow.h: Likewise.
 252         * config/i386/pmmintrin.h: Likewise.
 253         * config/i386/ammintrin.h: Likewise.
 254         * config/i386/xmmintrin.h: Likewise.
 255         * config/i386/smmintrin.h: Likewise.
 256         * config/i386/bmmintrin.h: Likewise.
 257         * config/i386/mmintrin-common.h: Likewise.
 258
 259         PR middle-end/28755
 260         * expr.c (expand_constructor): New function.
 261         (expand_expr_real_1) <case CONSTRUCTOR>: Call it.
 262         (expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is
 263         CONSTRUCTOR.
 264
 265 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 266
 267         * config/mips/mips.c (dump_constants_1): Generalize to include
 268         fractional and accumulator modes.
 269
 270 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 271
 272         * config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros.
 273         * config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP
 274         flags for MIPS16.
 275         (override_options): Check TARGET_HARD_FLOAT_ABI instead of
 276         TARGET_HARD_FLOAT when testing whether -mpaired-single is
 277         supported.
 278         (mips_conditional_register_usage): Check ISA_HAS_DSP instead of
 279         TARGET_DSP.
 280         * config/mips/constraints.md (ka): Check ISA_HAS_DSPR2 instead of
 281         TARGET_DSPR2.
 282         * config/mips/mips.md (ANYF): Require TARGET_HARD_FLOAT for V2SF.
 283         (mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require
 284         TARGET_HARD_FLOAT.
 285         (<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check
 286         ISA_HAS_DSPR2 instead of TARGET_HAS_DSPR2.
 287         * config/mips/mips-dsp.md: Use ISA_HAS_DSP instead of TARGET_HAS_DSP
 288         throughout.
 289         * config/mips/mips-dspr2.md: Likewise ISA_HAS_DSPR2 and
 290         TARGET_HAS_DSPR2.
 291         * config/mips/mips-fixed.md: Use ISA_HAS_DSP and ISA_HAS_DSPR2
 292         instead of TARGET_HAS_DSP and TARGET_HAS_DSPR2.
 293         * config/mips/mips-ps-3d.md: Add TARGET_HARD_FLOAT to V2SF patterns.
 294
 295 2007-09-22  Jason Merrill  <jason@redhat.com>
 296
 297         PR c++/19407
 298         * attribs.c (lookup_attribute_spec): Split out...
 299         (decl_attributes): From here.
 300         * tree.h: Declare it.
 301
 302 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 303
 304         * doc/sourcebuild.texi: Document dg-add-options mips16_attribute.
 305
 306 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
 307
 308         * tree-inline.c (remap_type_1): Correctly chain variants.
 309
 310 2007-09-22  Richard Guenther  <rguenther@suse.de>
 311
 312         PR tree-optimization/33146
 313         * fold-const.c (fold_binary): Use the original tree
 314         for negating.
 315         * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
 316         also changes "sign".
 317
 318 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
 319
 320         PR target/32325
 321         * except.c (finish_eh_generation): Call commit_edge_insertions if
 322         there are insns queued on the entry edge.
 323         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
 324         the entry edge.
 325
 326 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 327
 328         * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.
 329
 330 2007-09-19  Michael Meissner  <michael.meissner@amd.com>
 331
 332         * gcc/config/i386/i386.c: Delete trailing whitespace.
 333         * gcc/config/i386/i386.h: Ditto.
 334         * gcc/config/i386/bmmintrin.h: Ditto.
 335         * gcc/config/i386/sync.md: Ditto.
 336         * gcc/config/i386/ppro.md: Ditto.
 337         * gcc/config/i386/mmx.md: Ditto.
 338         * gcc/config/i386/constraints.md: Ditto.
 339         * gcc/config/i386/sse.md: Ditto.
 340         * gcc/config/i386/athlon.md: Ditto.
 341         * gcc/config/i386/i386.md: Ditto.
 342
 343 2007-09-21  Richard Guenther  <rguenther@suse.de>
 344
 345         PR tree-optimization/33508
 346         * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
 347         quadratic loop by keeping a bitmap of variables we have
 348         to clobber all subvariables for.
 349         (set_initial_properties): Likewise.
 350
 351 2007-09-21  Richard Sandiford  <rsandifo@nildram.co.uk>
 352
 353         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.
 354
 355 2007-09-20  Nigel Stephens  <nigel@mips.com>
 356             Chao-ying Fu  <fu@mips.com>
 357
 358         * c-decl.c (finish_declspecs): When _Sat is used without
 359         _Fract or _Accum, set the default type to cts_fract.
 360         This avoids a warning of "type defaults to int".
 361
 362 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
 363
 364         * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
 365         bit-fields wider than one bit.
 366
 367 2007-09-20  Jakub Jelinek  <jakub@redhat.com>
 368
 369         PR debug/33316
 370         * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
 371         DECL_NAME.
 372         * dbxout.c (dbxout_type): Likewise.
 373
 374         PR c/33238
 375         PR c/27301
 376         * gimplify.c (gimplify_vla_decl): New function.
 377         (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
 378         Call it.
 379         (gimplify_target_expr): Handle variable length TARGET_EXPRs.
 380
 381 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 382
 383         * doc/invoke.texi (-minterlink-mips16): Document.
 384         * config/mips/mips.opt (minterlink-mips16): New option.
 385         * config/mips/mips.c (mips_function_ok_for_sibcall): Handle
 386         -minterlink-mips16
 387
 388 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
 389
 390         * doc/extend.texi (Attribute Syntax): Remove old speculative
 391         future direction.
 392
 393 2007-09-20  Mark Shinwell  <shinwell@codesourcery.com>
 394
 395         * combine.c: Include cgraph.h.
 396         (setup_incoming_promotions): Rework to allow more aggressive
 397         elimination of sign extensions when all call sites of the
 398         current function are known to lie within the current unit.
 399
 400 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 401
 402         * dse.c (find_shift_sequence): No-op rework of control flow.
 403
 404 2007-09-19  Richard Sandiford  <rsandifo@nildram.co.uk>
 405
 406         * config/mips/mips.c (build_mips16_call_stub): Tidy.  Fix second
 407         GPR for DCmode on 64-bit targets.  Remove redundant fallback.
 408
 409 2007-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 410
 411         * cfgexpand.c (dump_stack_var_partition): Use the correct
 412         index for the offset.
 413
 414 2007-09-19  Joseph Myers  <joseph@codesourcery.com>
 415
 416         * config/mips/sde.h: Switch to GPLv3.
 417
 418 2007-09-19  Eric Botcazou  <ebotcazou@adacore.com>
 419
 420         * tree-sra.c (decide_block_copy): Decide if there are groups.
 421
 422 2007-09-19  Roman Zippel <zippel@linux-m68k.org>
 423
 424         * config/m68k/m68k.c (output_move_himode): Remove jump table
 425         recognition.
 426         config/m68k/m68k.md (lea): Likewise.
 427         * config/m68k/m68k.c (print_operand_address): Use simple pc
 428         relative addressing.
 429
 430 2007-09-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 431
 432         * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
 433         * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument
 434         default definition.
 435         (asm_insn_count): Pass template as second argument to it.
 436         * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 437         * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 438         * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 439         * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 440         * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 441         (sh_insn_length_adjustment): Pass template as second argument to it.
 442         * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.
 443
 444         * config/bfin/bfin.md (define_asm_attributes): New.
 445
 446 2007-09-19  Jie Zhang  <jie.zhang@analog.com>
 447
 448         * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
 449         to tm_file.
 450         * config/bfin/print-sysroot-suffix.sh: New.
 451         * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
 452         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 453         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 454         * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
 455         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 456         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 457         * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
 458         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 459         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 460         (linux-sysroot-suffix.h): New target.
 461         * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
 462         (mspecld-anomaly): Likewise.
 463         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
 464         (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
 465         BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542,
 466         BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549.
 467         (bfin_si_revision): Declare.
 468         (bfin_workarounds): Declare.
 469         (WA_SPECULATIVE_LOADS): Define.
 470         (ENABLE_WA_SPECULATIVE_LOADS): Define.
 471         (WA_SPECULATIVE_SYNCS): Define.
 472         (ENABLE_WA_SPECULATIVE_SYNCS): Define.
 473         * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
 474         (LIB_SPEC): Add %s to the linker scripts.
 475         Use proper linker script for bf522, bf525, bf527,
 476         bf538, bf539, bf542, bf544, bf548, and bf549.
 477         * config/bfin/bfin.c (bfin_si_revision): Define.
 478         (bfin_workarounds): Define.
 479         (struct bfin_cpu): New.
 480         (bfin_cpus): New.
 481         (bfin_handle_option): Handle silicon revision part of -mcpu option.
 482         (override_options): Set bfin_workarounds.
 483         (length_for_loop): Replace TARGET_CSYNC_ANOMALY with
 484         ENABLE_WA_SPECULATIVE_SYNCS, TARGET_SPECLD_ANOMALY with
 485         ENABLE_WA_SPECULATIVE_LOADS.
 486         (bfin_reorg): Likewise.
 487         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
 488         macros for bf522, bf525, bf527, bf538, bf539,
 489         bf542, bf544, bf548, and bf549.
 490         Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed.
 491         Don't define __ID_SHARED_LIB__ when -msep-data.
 492         (TARGET_DEFAULT): Define as 0.
 493         (DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option.
 494         * doc/invoke.texi (Blackfin Options): Document silicon
 495         revision part of -mcpu option and it now accepts bf522, bf525,
 496         bf527, bf538, bf539, bf542, bf544, bf548, and bf549.
 497
 498 2007-09-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 499
 500         * alias.c (memory_modified_1): Deconstify.
 501         (memory_modified_in_insn_p): Don't use const_note_stores.
 502         * rtl.h (const_note_stores): Delete.
 503         * rtlanal.c (const_note_stores): Likewise.
 504
 505 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 506
 507         * dse.c (find_shift_sequence): Temporarily revert to forbidding
 508         word shifts.
 509
 510 2007-09-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
 511
 512         PR target/33388
 513         PR target/33397
 514         * config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO().
 515         (addsi_small_int): Likewise.
 516         (addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
 517         (one_cmplsi2): Likewise.
 518         (negsi2): Delete.
 519         (enter_func): Expand insn using hard_frame_pointer_rtx and
 520         stack_pointer_rtx.
 521         (*enter_func): New.
 522         * config/fr30/fr30.c (fr30_expand_prologue): Check for
 523         hard_frame_pointer_rtx instead of using REGNO() check.
 524         Properly sign extend GEN_INT() argument.
 525
 526 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
 527
 528         * config/m68k/m68k.c (override_options): Remove USE_GAS,
 529         use %. syntax.
 530         (output_dbcc_and_branch, output_scc_di): Replace all jbcc
 531         alternatives with just jcc.
 532         * config/m68k/m68k.md (addsi_lshrsi_31, beq0_di, bne0_di,
 533         bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev,
 534         bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si,
 535         dbge_hi, dbge_si): Likewise.
 536
 537 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
 538
 539         * config/m68k/m68k.md (beq, bne, bgt, blt, bge, ble, bordered,
 540         bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev,
 541         bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev,
 542         bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev,
 543         bunlt_rev, bltgt_rev): Replace all fbcc with fjcc.
 544
 545 2007-09-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
 546
 547         * config/m68k/m68k-devices.def (51qe): New device.
 548         * config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit.  Add it
 549         to all uses of FL_FOR_isa_c for compatibility.
 550         (all_microarchs): Add cfv1 microarchitecture.
 551         (m68k_handle_option): Handle m51qe option.
 552         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE.
 553         (TUNE_CFV1): New macro.
 554         (enum uarch_type): Add ucfv1.
 555         * doc/invoke.texi: Document 51qe device and cfv1 microarchitecture.
 556
 557 2007-09-18  Richard Guenther  <rguenther@suse.de>
 558
 559         PR tree-optimization/31863
 560         * tree-ssa-structalias.c (create_variable_info_for): Always
 561         free the fieldstack.
 562
 563 2007-09-18  Dorit Nuzman  <dorit@il.ibm.com>
 564
 565         * opts.c (decode_options): Enable vectorization under -O3.
 566
 567 2007-09-18  Richard Guenther  <rguenther@suse.de>
 568
 569         PR tree-optimization/33340
 570         * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
 571         SSA_NAMEs that occur in abnormal PHI nodes.
 572
 573 2007-09-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 574
 575         * tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p):
 576         Don't use const_get_call_expr_in.
 577         * tree-gimple.c (const_get_call_expr_in): Delete.
 578         * tree-gimple.h (const_get_call_expr_in): Likewise.
 579
 580 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 581
 582         * df-scan.c (df_notes_rescan): Do nothing if the instruction does
 583         not yet have a basic block.
 584         * dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
 585
 586 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 587
 588         * config/mips/mips.c (mips_file_start): Add ".previous" directives
 589         to both ".section"s.
 590
 591 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
 592
 593         * config/mips/mips.c (mips_output_mi_thunk): Use
 594         mips_function_ok_for_sibcall and const_call_insn_operand
 595         to determine if a direct sibcall is allowed.  Use
 596         mips_classify_symbol to determine a global pointer is needed.
 597
 598 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
 599
 600         * config/mips/mips.md (*clear_upper32): Use "W" as the memory operand.
 601
 602 2007-09-17  Chao-ying Fu  <fu@mips.com>
 603             Nigel Stephens  <nigel@mips.com>
 604
 605         * config/fixed-bit.h: New file.
 606         * config/fixed-bit.c: New file.
 607         * doc/libgcc.texi (Fixed-point fractional library routines): New node.
 608
 609 2007-09-18  Jakub Jelinek  <jakub@redhat.com>
 610
 611         * c-format.h (format_kind_info): Add alloc_char field.
 612         * c-format.c (scanf_flag_specs): Add 'm'.
 613         (scanf_flag_pairs): Add 'a', 'm' pair.
 614         (scan_char_table): Allow 'm' modifier for c, s, [, C and S.
 615         (format_types_orig): Add alloc_char fields.
 616         (check_format_info_main): Rename aflag to alloc_flag.
 617         Handle fki->alloc_char. modifier after width and before length
 618         modifiers.  Move FMT_FLAG_SCANF_A_KLUDGE handling before
 619         length modifiers as well.
 620         * config/sol2-c.c (solaris_format_types): Add alloc_char field.
 621
 622         PR middle-end/33423
 623         * builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs
 624         returned by build_call_expr.
 625
 626 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
 627
 628         * tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return
 629         NULL for variable-sized records too.
 630         (sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too.
 631
 632 2007-09-17  Tom Tromey  <tromey@redhat.com>
 633
 634         * c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC.
 635         (c_builtin_function): Likewise.
 636         (grokdeclarator): Likewise.
 637
 638 2007-09-17  Zdenek Dvorak  <ook@ucw.cz>
 639
 640         PR rtl-optimization/26449
 641         * loop-invariant.c (move_invariant_reg): Do not use force_operand.
 642         (seq_insns_valid_p): Removed.
 643
 644 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
 645
 646         * tree-nomudflap.c (gate_mudflap): New static function.
 647         (pass_mudflap_1): Use it as gate function.
 648         (pass_mudflap_2): Likewise.
 649
 650 2007-09-17  Jan Hubicka  <jh@suse.cz>
 651
 652         PR middle-end/33348
 653         PR target/33406
 654         * loop-invariant.c (move_invariant_reg): Unshare sequence.
 655
 656 2007-09-17  Victor Kaplansky  <victork@il.ibm.com>
 657
 658         PR tree-optimization/33319
 659         * tree-vect-analyze.c (vect_same_range_drs): New.
 660         (vect_vfa_range_equal): New.
 661         (vect_is_duplicate_ddr): Removed.
 662         (vect_mark_for_runtime_alias_test): Do not perform marking when
 663         optimizing for size or max_param for alias checking is zero.
 664         Move the function before vect_analyze_data_ref_dependence.
 665         (vect_analyze_data_ref_dependence): Add call to
 666         vect_mark_for_runtime_alias_test in two cases when dependence
 667         is not clear.
 668         (vect_analyze_data_ref_dependences): Do not call to
 669         vect_mark_for_runtime_alias_test.
 670         (vect_prune_runtime_alias_test_list): New.
 671         (vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list.
 672         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
 673         Update vec_outside_cost.
 674         (vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT.
 675         (vect_create_cond_for_alias_checks): Build the base address of data
 676         reference from DR_GROUP_FIRST_DR.
 677         (vect_loop_versioning): New.
 678         (vect_transform_loop): Add a call to vect_loop_versioning.
 679         Remove factored out code.
 680
 681 2007-09-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 682
 683         PR middle-end/33273
 684         * expr.c (store_expr): Call adjust_address to change mode of dest_mem
 685         to BLKmode.
 686
 687 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
 688
 689         * dse.c (find_shift_sequence): Allow word as well as subword shifts.
 690         Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set.
 691         Fix the call to insn_rtx_cost.  Skip access sizes that require a
 692         real truncation of the store register.  Use convert_move instead
 693         of gen_lowpart when narrowing the result.
 694         (replace_read): Use convert_move instead of gen_lowpart when
 695         narrowing the store rhs.
 696
 697 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
 698
 699         * config/mips/mips.md (SHORT): Fix long line.
 700         (SUBDI): New mode iterator.  Extend the shift-and-truncate insns
 701         to QImode and HImode.
 702
 703 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
 704
 705         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.
 706
 707 2007-09-15  Zdenek Dvorak  <ook@ucw.cz>
 708
 709         * tree-parloops.c: New file.
 710         * tree-ssa-operands.h (free_stmt_operands): Declare.
 711         * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
 712         block.
 713         * tree-pass.h (pass_parallelize_loops): Declare.
 714         * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
 715         virtual operands.
 716         (build_omp_regions_1): Allow analysing just a single OMP region and
 717         its subregions.
 718         ( build_omp_regions_root, omp_expand_local): New functions.
 719         (build_omp_regions): Add argument to build_omp_regions_1 call.
 720         * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
 721         autoparallelization is run.
 722         * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
 723         * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
 724         pass_parallelize_loops): New.
 725         * common.opt (ftree-parallelize-loops): New.
 726         * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
 727         parallelize_loops): Declare.
 728         (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
 729         * Makefile.in (tree-parloops.o): Added.
 730         * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
 731         New functions.
 732         (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
 733         (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
 734         one extra edge as well.
 735         (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
 736         Use VEC_free to free doms vector.
 737         (move_block_to_fn): Update loop info. Remove phi nodes for virtual
 738         operands.  Recompute operand caches in the new function.
 739         (move_sese_region_to_fn): Update loop info.
 740         * passes.c (init_optimization_passes): Add pass_parallelize_loops.
 741         * tree-ssa-operands.c (free_stmt_operands): New function.
 742
 743         * doc/passes.texi: Document autoparallelization.
 744         * doc/invoke.texi (-ftree-parallelize-loops): New option.
 745
 746 2007-09-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 747
 748         PR target/33062
 749         * pa.c (function_value): Use GET_MODE_BITSIZE instead of
 750         TYPE_PRECISION.
 751
 752 2007-09-15  Dorit Nuzman  <dorit@il.ibm.com>
 753
 754         * tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if
 755         the VEC is not NULL.
 756         (vectorizable_type_demotion, vectorizable_type_promotion): Check that
 757         get_vectype_for_scalar_type succeeded.
 758         (vectorizable_conversion): Likewise.
 759
 760 2007-09-14  Jan Hubicka  <jh@suse.cz>
 761
 762         * config/i386/i386.md (*floatdi<mode>2_i387): Guard against
 763         TARGET_64BIT.
 764
 765 2007-09-14  Uros Bizjak  <ubizjak@gmail.com>
 766
 767         PR target/33438
 768         * config/i386/i386.md (fmodxf3): Copy operands[2] to temporary
 769         register when operands[2] equals operands[1].
 770         (remainderxf3): Ditto.
 771
 772 2007-09-14  Sandra Loosemore  <sandra@codesourcery.com>
 773             Nigel Stephens  <nigel@mips.com>
 774
 775         * doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document.
 776         * unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
 777         (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to
 778         declaration.
 779         (_Unwind_ForcedUnwind): Likewise.
 780         (_Unwind_Resume): Likewise.
 781         (_Unwind_Resume_or_Rethrow): Likewise.
 782         (_Unwind_Backtrace): Likewise.
 783         (_Unwind_SjLj_RaiseException): Likewise.
 784         (_Unwind_SjLj_ForcedUnwind): Likewise.
 785         (_Unwind_SjLj_Resume): Likewise.
 786         (_Unwind_SjLj_Resume_or_Rethrow): Likewise.
 787         * unwind.inc (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE
 788         to definition.
 789         (_Unwind_ForcedUnwind): Likewise.
 790         (_Unwind_Resume): Likewise.
 791         (_Unwind_Resume_or_Rethrow): Likewise.
 792         (_Unwind_Backtrace): Likewise.
 793         * unwind-compat.c (_Unwind_Backtrace): Likewise.
 794         (_Unwind_ForcedUnwind): Likewise.
 795         (_Unwind_RaiseException): Likewise.
 796         (_Unwind_Resume): Likewise.
 797         (_Unwind_Resume_or_Rethrow): Likewise.
 798
 799         * config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force
 800         nomips16 mode when IN_LIBGCC2 with hard float.
 801
 802 2007-09-14  Richard Sandiford  <rsandifo@nildram.co.uk>
 803
 804         * config/mips/sdemtk.opt: Update to GPLv3.
 805         * config/mips/sdemtk.h: Likewise.
 806
 807 2007-09-14  Nigel Stephens  <nigel@mips.com>
 808
 809         * config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set
 810         MIPS_ISA_DEFAULT appropriately.  Don't make soft-float the default
 811         for mipsisa32-*-linux*.
 812
 813 2007-09-14  Nigel Stephens  <nigel@mips.com>
 814             David Ung  <davidu@mips.com>
 815             Thiemo Seufer  <ths@mips.com>
 816             Richard Sandiford  <richard@codesourcery.com>
 817
 818         * config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
 819         * configure.ac: Add a mipssde threading type.
 820         * configure: Regenerate.
 821         * config/mips/sdemtk.h: New file.
 822         * config/mips/t-sdemtk: Likewise.
 823         * config/mips/sdemtk.opt: Likewise.
 824         * gthr-mipssde.h: Likewise.
 825         * config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
 826         * config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
 827         (MIPS_ICACHE_SYNC): New macro, split from ...
 828         * config/mips/mips.md (clear_cache): ...here.
 829         * config/mips/mips.c (mips_save_reg_p): Check
 830         MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
 831         (build_mips16_function_stub): Use targetm.strip_name_encoding.
 832         (build_mips16_call_stub): Likewise.
 833
 834 2007-09-14  Richard Sandiford  <richard@codesourcery.com>
 835
 836         * Makefile.in (stmp-int-hdrs): Depend on fixinc_list.
 837
 838 2007-09-14  Jakub Jelinek  <jakub@redhat.com>
 839
 840         PR target/32337
 841         * config/ia64/ia64.c (find_gr_spill): Don't decrement
 842         current_frame_info.n_local_regs.  Don't return emitted local
 843         regs.
 844         (ia64_compute_frame_size): Improve unwind hack to put
 845         RP, PFS, FP in that order by allowing some of the registers
 846         been already emitted, as long as they are emitted to the
 847         desired register.
 848
 849 2007-09-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 850
 851         * config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx,
 852         vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats,
 853         vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics.
 854
 855 2007-09-13  Eric Christopher  <echristo@apple.com>
 856             Kenneth Zadeck <zadeck@naturalbridge.com>
 857
 858         * dse.c (find_shift_sequence): New function.
 859         (replace_read): Add case to remove read if it requires shift.
 860         * config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
 861
 862 2007-09-13  Tom Tromey  <tromey@redhat.com>
 863
 864         * c-common.c (fname_as_string): Update.
 865         * c-parser.c (c_parser) <lex_untranslated_string>: New field.
 866         (c_lex_one_token): Update.  Add 'parser' argument.
 867         (c_parser_simple_asm_expr): Update.
 868         (c_parser_attributes): Update.
 869         (c_parser_asm_statement): Update.
 870         (c_parser_asm_operands): Update.
 871         (c_parser_peek_token): Update.
 872         (c_parser_peek_2nd_token): Update.
 873         * c-lex.c (c_lex_string_translate): Remove.
 874         (c_lex_return_raw_strings): Likewise.
 875         (c_lex_with_flags): Added 'lex_flags' argument.
 876         (lex_string): Added 'translate' argument.
 877         * c-pragma.h (c_lex_with_flags): Update.
 878         (c_lex_string_translate, c_lex_return_raw_strings): Remove.
 879         (C_LEX_STRING_NO_TRANSLATE): New define.
 880         (C_LEX_RAW_STRINGS): Likewise.
 881
 882 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
 883
 884         From Jie Zhang:
 885         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES,
 886         BFIN_BUILTIN_CPLX_MUL_16_S40, BFIN_BUILTIN_CPLX_MAC_16_S40,
 887         BFIN_BUILTIN_CPLX_MSU_16_S40, and BFIN_BUILTIN_CPLX_SQU.
 888         (bfin_init_builtins): Initialize __builtin_bfin_ones,
 889         __builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16,
 890         __builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32,
 891         __builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub,
 892         __builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40,
 893         __builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16.
 894         (bdesc_1arg): Add __builtin_bfin_ones.
 895         (bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40,
 896         __builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40,
 897         and __builtin_bfin_csqu_fr16.
 898         * config/bfin/bfin.md (UNSPEC_ONES): New constant.
 899         (ones): New define_insn.
 900         (ssaddhi3_parts): New define_insn.
 901         (sssubhi3_parts): New define_insn.
 902         (flag_mulhi_parts): New define_insn.
 903
 904 2007-09-13  Seongbae Park <seongbae.park@gmail.com>
 905
 906         * common.opt (femit-class-debug-always): Turn off by default.
 907
 908 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
 909
 910         * config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
 911         * config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.
 912
 913 2007-09-13  James E. Wilson  <wilson@specifix.com>
 914
 915         PR tree-optimization/33389
 916         * tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true,
 917         then set build_loads before returning.
 918
 919 2007-09-13  Sandra Loosemore  <sandra@codesourcery.com>
 920             David Ung  <davidu@mips.com>
 921
 922         * config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with
 923         {d}addiu and a negative immediate such that it works with MIPS16
 924         instructions.
 925
 926 2007-09-13  H.J. Lu  <hongjiu.lu@intel.com>
 927
 928         PR bootstrap/33418
 929         * configure.ac (ld_vers): Support Linux linker.
 930         * configure: Regenerated.
 931
 932 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
 933             Sandra Loosemore <sandra@codesourcery.com>
 934
 935         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete.
 936         (SYMBOL_REF_MIPS16_FUNC_P): Delete.
 937         * config/mips/mips.c (mips_attribute_table): Turn mips16 and
 938         nomips16 into decl attributes.
 939         (TARGET_INSERT_ATTRIBUTES): Override.
 940         (TARGET_MERGE_DECL_ATTRIBUTES): Likewise.
 941         (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): Always return true.
 942         (mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of...
 943         (mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions.
 944         (mips_comp_type_attributes): Remove mips16 and nomips16 handling.
 945         (mips_use_mips16_mode_p): Reimplement as a function that takes
 946         a decl and considers only decl attributes.  If the decl is nested
 947         function, use its parent attributes.
 948         (mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p
 949         instead of SYMBOL_REF_MIPS16_FUNC_P.
 950         (mips_set_mips16_mode): Move call to sorry here from old
 951         mips_use_mips16_mode_p.
 952         (mflip_mips16_entry): New structure.
 953         (mflip_mips16_htab): New variable.
 954         (mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions.
 955         (mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise.
 956         (mips_merge_decl_attributes): New function.
 957         (mips_set_current_function): Reinstate call to mips_set_mips16_mode.
 958         Use mips_use_mips16_mode_p.
 959         (mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of
 960         SYMBOL_REF_MIPS16_FUNC_P.
 961         (mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC.
 962
 963 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
 964
 965         * c-parser.c (c_parser_struct_declaration): Check for a null return.
 966
 967 2007-09-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 968
 969         PR driver/33309
 970         * gcc.c (xputenv): Make argument const, and use CONST_CAST.
 971
 972 2007-09-12  Michael Meissner  <michael.meissner@amd.com>
 973             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 974             Tony Linthicum  <tony.linthicum@amd.com>
 975
 976         * tree.h (function_args_iterator): New type to iterate over
 977         function arguments.
 978         (FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over
 979         function arguments providing a pointer to the argument.
 980         (FOREACH_FUNCTION_ARGS): Iterator macros for iterating over
 981         function arguments providing the argument.
 982         (function_args_iter_init): Inline function to initialize
 983         function_args_iterator.
 984         (function_args_iter_cond_ptr): Inline function to return the next
 985         pointer to hold the argument.
 986         (function_args_iter_cond): Inline function to return the next
 987         argument.
 988         (function_args_iter_cond_next): Advance the function args
 989         iterator.
 990         (stdarg_p): New function, return true if variable argument
 991         function.
 992         (prototype_p): New function, return true if function is
 993         prototyped.
 994         (function_args_count): New function, count the number of arguments
 995         of a function.
 996
 997         * tree.c (stdarg_p): New function, return true if variable
 998         argument function.
 999         (prototype_p): New function, return true if function is
1000         prototyped.
1001
1002         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
1003         (TARGET_ROUND): New macro for the round/ptest instructions which
1004         are shared between SSE4.1 and SSE5.
1005         (OPTION_MASK_ISA_ROUND): Ditto.
1006         (OPTION_ISA_ROUND): Ditto.
1007         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
1008         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
1009
1010         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
1011         (-mfused-madd): New switch to give users control over whether the
1012         compiler optimizes to use the multiply/add SSE5 instructions.
1013
1014         * config/i386/i386.c (m_AMD_MULTIPLE): Rename from
1015         m_ATHLON_K8_AMDFAM10, and change all uses.
1016         (enum pta_flags): Add PTA_SSE5.
1017         (ix86_handle_option): Turn off 3dnow if -msse5.
1018         (override_options): Add SSE5 support.
1019         (print_operand): %Y prints comparison codes for SSE5 com/pcom
1020         instructions.
1021         (ix86_expand_sse_movcc): Add SSE5 support.
1022         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
1023         vector type to the next largest size.
1024         (ix86_expand_sse5_pack): New function to use pperm to pack a
1025         vector type to the next smallest size.
1026         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
1027         (IX86_BUILTIN_FMADDSD): Ditto.
1028         (IX86_BUILTIN_FMADDPS): Ditto.
1029         (IX86_BUILTIN_FMADDPD): Ditto.
1030         (IX86_BUILTIN_FMSUBSS): Ditto.
1031         (IX86_BUILTIN_FMSUBSD): Ditto.
1032         (IX86_BUILTIN_FMSUBPS): Ditto.
1033         (IX86_BUILTIN_FMSUBPD): Ditto.
1034         (IX86_BUILTIN_FNMADDSS): Ditto.
1035         (IX86_BUILTIN_FNMADDSD): Ditto.
1036         (IX86_BUILTIN_FNMADDPS): Ditto.
1037         (IX86_BUILTIN_FNMADDPD): Ditto.
1038         (IX86_BUILTIN_FNMSUBSS): Ditto.
1039         (IX86_BUILTIN_FNMSUBSD): Ditto.
1040         (IX86_BUILTIN_FNMSUBPS): Ditto.
1041         (IX86_BUILTIN_FNMSUBPD): Ditto.
1042         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
1043         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
1044         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
1045         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
1046         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
1047         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
1048         (IX86_BUILTIN_PPERM): Ditto.
1049         (IX86_BUILTIN_PERMPS): Ditto.
1050         (IX86_BUILTIN_PERMPD): Ditto.
1051         (IX86_BUILTIN_PMACSSWW): Ditto.
1052         (IX86_BUILTIN_PMACSWW): Ditto.
1053         (IX86_BUILTIN_PMACSSWD): Ditto.
1054         (IX86_BUILTIN_PMACSWD): Ditto.
1055         (IX86_BUILTIN_PMACSSDD): Ditto.
1056         (IX86_BUILTIN_PMACSDD): Ditto.
1057         (IX86_BUILTIN_PMACSSDQL): Ditto.
1058         (IX86_BUILTIN_PMACSSDQH): Ditto.
1059         (IX86_BUILTIN_PMACSDQL): Ditto.
1060         (IX86_BUILTIN_PMACSDQH): Ditto.
1061         (IX86_BUILTIN_PMADCSSWD): Ditto.
1062         (IX86_BUILTIN_PMADCSWD): Ditto.
1063         (IX86_BUILTIN_PHADDBW): Ditto.
1064         (IX86_BUILTIN_PHADDBD): Ditto.
1065         (IX86_BUILTIN_PHADDBQ): Ditto.
1066         (IX86_BUILTIN_PHADDWD): Ditto.
1067         (IX86_BUILTIN_PHADDWQ): Ditto.
1068         (IX86_BUILTIN_PHADDDQ): Ditto.
1069         (IX86_BUILTIN_PHADDUBW): Ditto.
1070         (IX86_BUILTIN_PHADDUBD): Ditto.
1071         (IX86_BUILTIN_PHADDUBQ): Ditto.
1072         (IX86_BUILTIN_PHADDUWD): Ditto.
1073         (IX86_BUILTIN_PHADDUWQ): Ditto.
1074         (IX86_BUILTIN_PHADDUDQ): Ditto.
1075         (IX86_BUILTIN_PHSUBBW): Ditto.
1076         (IX86_BUILTIN_PHSUBWD): Ditto.
1077         (IX86_BUILTIN_PHSUBDQ): Ditto.
1078         (IX86_BUILTIN_PROTB): Ditto.
1079         (IX86_BUILTIN_PROTW): Ditto.
1080         (IX86_BUILTIN_PROTD): Ditto.
1081         (IX86_BUILTIN_PROTQ): Ditto.
1082         (IX86_BUILTIN_PROTB_IMM): Ditto.
1083         (IX86_BUILTIN_PROTW_IMM): Ditto.
1084         (IX86_BUILTIN_PROTD_IMM): Ditto.
1085         (IX86_BUILTIN_PROTQ_IMM): Ditto.
1086         (IX86_BUILTIN_PSHLB): Ditto.
1087         (IX86_BUILTIN_PSHLW): Ditto.
1088         (IX86_BUILTIN_PSHLD): Ditto.
1089         (IX86_BUILTIN_PSHLQ): Ditto.
1090         (IX86_BUILTIN_PSHAB): Ditto.
1091         (IX86_BUILTIN_PSHAW): Ditto.
1092         (IX86_BUILTIN_PSHAD): Ditto.
1093         (IX86_BUILTIN_PSHAQ): Ditto.
1094         (IX86_BUILTIN_FRCZSS): Ditto.
1095         (IX86_BUILTIN_FRCZSD): Ditto.
1096         (IX86_BUILTIN_FRCZPS): Ditto.
1097         (IX86_BUILTIN_FRCZPD): Ditto.
1098         (IX86_BUILTIN_CVTPH2PS): Ditto.
1099         (IX86_BUILTIN_CVTPS2PH): Ditto.
1100         (IX86_BUILTIN_COMEQSS): Ditto.
1101         (IX86_BUILTIN_COMNESS): Ditto.
1102         (IX86_BUILTIN_COMLTSS): Ditto.
1103         (IX86_BUILTIN_COMLESS): Ditto.
1104         (IX86_BUILTIN_COMGTSS): Ditto.
1105         (IX86_BUILTIN_COMGESS): Ditto.
1106         (IX86_BUILTIN_COMUEQSS): Ditto.
1107         (IX86_BUILTIN_COMUNESS): Ditto.
1108         (IX86_BUILTIN_COMULTSS): Ditto.
1109         (IX86_BUILTIN_COMULESS): Ditto.
1110         (IX86_BUILTIN_COMUGTSS): Ditto.
1111         (IX86_BUILTIN_COMUGESS): Ditto.
1112         (IX86_BUILTIN_COMORDSS): Ditto.
1113         (IX86_BUILTIN_COMUNORDSS): Ditto.
1114         (IX86_BUILTIN_COMFALSESS): Ditto.
1115         (IX86_BUILTIN_COMTRUESS): Ditto.
1116         (IX86_BUILTIN_COMEQSD): Ditto.
1117         (IX86_BUILTIN_COMNESD): Ditto.
1118         (IX86_BUILTIN_COMLTSD): Ditto.
1119         (IX86_BUILTIN_COMLESD): Ditto.
1120         (IX86_BUILTIN_COMGTSD): Ditto.
1121         (IX86_BUILTIN_COMGESD): Ditto.
1122         (IX86_BUILTIN_COMUEQSD): Ditto.
1123         (IX86_BUILTIN_COMUNESD): Ditto.
1124         (IX86_BUILTIN_COMULTSD): Ditto.
1125         (IX86_BUILTIN_COMULESD): Ditto.
1126         (IX86_BUILTIN_COMUGTSD): Ditto.
1127         (IX86_BUILTIN_COMUGESD): Ditto.
1128         (IX86_BUILTIN_COMORDSD): Ditto.
1129         (IX86_BUILTIN_COMUNORDSD): Ditto.
1130         (IX86_BUILTIN_COMFALSESD): Ditto.
1131         (IX86_BUILTIN_COMTRUESD): Ditto.
1132         (IX86_BUILTIN_COMEQPS): Ditto.
1133         (IX86_BUILTIN_COMNEPS): Ditto.
1134         (IX86_BUILTIN_COMLTPS): Ditto.
1135         (IX86_BUILTIN_COMLEPS): Ditto.
1136         (IX86_BUILTIN_COMGTPS): Ditto.
1137         (IX86_BUILTIN_COMGEPS): Ditto.
1138         (IX86_BUILTIN_COMUEQPS): Ditto.
1139         (IX86_BUILTIN_COMUNEPS): Ditto.
1140         (IX86_BUILTIN_COMULTPS): Ditto.
1141         (IX86_BUILTIN_COMULEPS): Ditto.
1142         (IX86_BUILTIN_COMUGTPS): Ditto.
1143         (IX86_BUILTIN_COMUGEPS): Ditto.
1144         (IX86_BUILTIN_COMORDPS): Ditto.
1145         (IX86_BUILTIN_COMUNORDPS): Ditto.
1146         (IX86_BUILTIN_COMFALSEPS): Ditto.
1147         (IX86_BUILTIN_COMTRUEPS): Ditto.
1148         (IX86_BUILTIN_COMEQPD): Ditto.
1149         (IX86_BUILTIN_COMNEPD): Ditto.
1150         (IX86_BUILTIN_COMLTPD): Ditto.
1151         (IX86_BUILTIN_COMLEPD): Ditto.
1152         (IX86_BUILTIN_COMGTPD): Ditto.
1153         (IX86_BUILTIN_COMGEPD): Ditto.
1154         (IX86_BUILTIN_COMUEQPD): Ditto.
1155         (IX86_BUILTIN_COMUNEPD): Ditto.
1156         (IX86_BUILTIN_COMULTPD): Ditto.
1157         (IX86_BUILTIN_COMULEPD): Ditto.
1158         (IX86_BUILTIN_COMUGTPD): Ditto.
1159         (IX86_BUILTIN_COMUGEPD): Ditto.
1160         (IX86_BUILTIN_COMORDPD): Ditto.
1161         (IX86_BUILTIN_COMUNORDPD): Ditto.
1162         (IX86_BUILTIN_COMFALSEPD): Ditto.
1163         (IX86_BUILTIN_COMTRUEPD): Ditto.
1164         (IX86_BUILTIN_PCOMEQUB): Ditto.
1165         (IX86_BUILTIN_PCOMNEUB): Ditto.
1166         (IX86_BUILTIN_PCOMLTUB): Ditto.
1167         (IX86_BUILTIN_PCOMLEUB): Ditto.
1168         (IX86_BUILTIN_PCOMGTUB): Ditto.
1169         (IX86_BUILTIN_PCOMGEUB): Ditto.
1170         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
1171         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
1172         (IX86_BUILTIN_PCOMEQUW): Ditto.
1173         (IX86_BUILTIN_PCOMNEUW): Ditto.
1174         (IX86_BUILTIN_PCOMLTUW): Ditto.
1175         (IX86_BUILTIN_PCOMLEUW): Ditto.
1176         (IX86_BUILTIN_PCOMGTUW): Ditto.
1177         (IX86_BUILTIN_PCOMGEUW): Ditto.
1178         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
1179         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
1180         (IX86_BUILTIN_PCOMEQUD): Ditto.
1181         (IX86_BUILTIN_PCOMNEUD): Ditto.
1182         (IX86_BUILTIN_PCOMLTUD): Ditto.
1183         (IX86_BUILTIN_PCOMLEUD): Ditto.
1184         (IX86_BUILTIN_PCOMGTUD): Ditto.
1185         (IX86_BUILTIN_PCOMGEUD): Ditto.
1186         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
1187         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
1188         (IX86_BUILTIN_PCOMEQUQ): Ditto.
1189         (IX86_BUILTIN_PCOMNEUQ): Ditto.
1190         (IX86_BUILTIN_PCOMLTUQ): Ditto.
1191         (IX86_BUILTIN_PCOMLEUQ): Ditto.
1192         (IX86_BUILTIN_PCOMGTUQ): Ditto.
1193         (IX86_BUILTIN_PCOMGEUQ): Ditto.
1194         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
1195         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
1196         (IX86_BUILTIN_PCOMEQB): Ditto.
1197         (IX86_BUILTIN_PCOMNEB): Ditto.
1198         (IX86_BUILTIN_PCOMLTB): Ditto.
1199         (IX86_BUILTIN_PCOMLEB): Ditto.
1200         (IX86_BUILTIN_PCOMGTB): Ditto.
1201         (IX86_BUILTIN_PCOMGEB): Ditto.
1202         (IX86_BUILTIN_PCOMFALSEB): Ditto.
1203         (IX86_BUILTIN_PCOMTRUEB): Ditto.
1204         (IX86_BUILTIN_PCOMEQW): Ditto.
1205         (IX86_BUILTIN_PCOMNEW): Ditto.
1206         (IX86_BUILTIN_PCOMLTW): Ditto.
1207         (IX86_BUILTIN_PCOMLEW): Ditto.
1208         (IX86_BUILTIN_PCOMGTW): Ditto.
1209         (IX86_BUILTIN_PCOMGEW): Ditto.
1210         (IX86_BUILTIN_PCOMFALSEW): Ditto.
1211         (IX86_BUILTIN_PCOMTRUEW): Ditto.
1212         (IX86_BUILTIN_PCOMEQD): Ditto.
1213         (IX86_BUILTIN_PCOMNED): Ditto.
1214         (IX86_BUILTIN_PCOMLTD): Ditto.
1215         (IX86_BUILTIN_PCOMLED): Ditto.
1216         (IX86_BUILTIN_PCOMGTD): Ditto.
1217         (IX86_BUILTIN_PCOMGED): Ditto.
1218         (IX86_BUILTIN_PCOMFALSED): Ditto.
1219         (IX86_BUILTIN_PCOMTRUED): Ditto.
1220         (IX86_BUILTIN_PCOMEQQ): Ditto.
1221         (IX86_BUILTIN_PCOMNEQ): Ditto.
1222         (IX86_BUILTIN_PCOMLTQ): Ditto.
1223         (IX86_BUILTIN_PCOMLEQ): Ditto.
1224         (IX86_BUILTIN_PCOMGTQ): Ditto.
1225         (IX86_BUILTIN_PCOMGEQ): Ditto.
1226         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
1227         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
1228         (bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to
1229         OPTION_MASK_ISA_ROUND for instructions that are shared between
1230         SSE4.1 and SSE5.
1231         (bdesc_2arg): Ditto.
1232         (bdesc_sse_3arg): Ditto.
1233         (enum multi_arg_type): New enum for describing the various SSE5
1234         intrinsic argument types.
1235         (bdesc_multi_arg): New table for SSE5 intrinsics.
1236         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
1237         (ix86_expand_multi_arg_builtin): New function for creating SSE5
1238         intrinsics.
1239         (ix86_expand_builtin): Add SSE5 intrinsic support.
1240         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
1241         operand instructions.
1242         (ix86_expand_sse5_multiple_memory): New function to split the
1243         second memory reference from SSE5 instructions.
1244         (type_has_variadic_args_p): Delete in favor of stdarg_p.
1245         (ix86_return_pops_args): Use stdarg_p to determine if the function
1246         has variable arguments.
1247         (ix86_setup_incoming_varargs): Ditto.
1248         (x86_this_parameter): Ditto.
1249
1250         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
1251         declaration.
1252         (ix86_expand_sse5_pack): Ditto.
1253         (ix86_sse5_valid_op_p): Ditto.
1254         (ix86_expand_sse5_multiple_memory): Ditto.
1255
1256         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
1257         constant for SSE5 support.
1258         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
1259         (UNSPEC_SSE5_TRUEFALSE): Ditto.
1260         (UNSPEC_SSE5_PERMUTE): Ditto.
1261         (UNSPEC_SSE5_ASHIFT): Ditto.
1262         (UNSPEC_SSE5_LSHIFT): Ditto.
1263         (UNSPEC_FRCZ): Ditto.
1264         (UNSPEC_CVTPH2PS): Ditto.
1265         (UNSPEC_CVTPS2PH): Ditto.
1266         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
1267         (PCOM_TRUE): Ditto.
1268         (COM_FALSE_S): Ditto.
1269         (COM_FALSE_P): Ditto.
1270         (COM_TRUE_S): Ditto.
1271         (COM_TRUE_P): Ditto.
1272         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
1273         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
1274         types.
1275         (memory attribute): Ditto.
1276         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1277         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
1278         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1279         (floor<mode>2): Ditto.
1280         (ceil<mode>2): Ditto.
1281         (btrunc<mode>2): Ditto.
1282         (nearbyintdf2): Ditto.
1283         (nearbyintsf2): Ditto.
1284         (sse_setccsf): Disable if SSE5.
1285         (sse_setccdf): Ditto.
1286         (sse5_setcc<mode>): New support for SSE5 conditional move.
1287         (sse5_pcmov_<mode>): Ditto.
1288
1289         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
1290         (SSEMODEF4): Ditto.
1291         (SSEMODEF2P): Ditto.
1292         (ssemodesuffixf4): New mode attribute for SSE5.
1293         (ssemodesuffixf2s): Ditto.
1294         (ssemodesuffixf2c): Ditto.
1295         (sserotatemax): Ditto.
1296         (ssescalarmode): Ditto.
1297         (sse_maskcmpv4sf3): Disable if SSE5.
1298         (sse_maskcmpv2df3): Ditto.
1299         (sse_vmmaskcmpv4sf3): Ditto.
1300         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
1301         instructions.
1302         (sse5_vmfmadd<mode>4): Ditto.
1303         (sse5_fmsub<mode>4): Ditto.
1304         (sse5_vmfmsub<mode>4): Ditto.
1305         (sse5_fnmadd<mode>4): Ditto.
1306         (sse5_vmfnmadd<mode>4): Ditto.
1307         (sse5_fnmsub<mode>4): Ditto.
1308         (sse5_vmfnmsub<mode>4): Ditto.
1309         (sse5i_fmadd<mode>4): Ditto.
1310         (sse5i_fmsub<mode>4): Ditto.
1311         (sse5i_fnmadd<mode>4): Ditto.
1312         (sse5i_fnmsub<mode>4): Ditto.
1313         (sse5i_vmfmadd<mode>4): Ditto.
1314         (sse5i_vmfmsub<mode>4): Ditto.
1315         (sse5i_vmfnmadd<mode>4): Ditto.
1316         (sse5i_vmfnmsub<mode>4): Ditto.
1317         (mulv16qi3): Add SSE5 support.
1318         (mulv4si3): Ditto.
1319         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
1320         (sse2_mulv4si3): Disable if SSE5.
1321         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
1322         (sse4_1_roundps): Ditto.
1323         (sse4_1_roundsd): Ditto.
1324         (sse4_1_roundss): Ditto.
1325         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
1326         be generated.
1327         (sse_maskcmpsf3): Ditto.
1328         (sse_vmmaskcmpv4sf3): Ditto.
1329         (sse2_maskcmpv2df3): Ditto.
1330         (sse2_maskcmpdf3): Ditto.
1331         (sse2_vmmaskcmpv2df3): Ditto.
1332         (sse2_eq<mode>3): Ditto.
1333         (sse2_gt<mode>3): Ditto.
1334         (sse5_pcmov_<mode>): Add SSE5 support.
1335         (vec_unpacku_hi_v16qi): Ditto.
1336         (vec_unpacks_hi_v16qi): Ditto.
1337         (vec_unpacku_lo_v16qi): Ditto.
1338         (vec_unpacks_lo_v16qi): Ditto.
1339         (vec_unpacku_hi_v8hi): Ditto.
1340         (vec_unpacks_hi_v8hi): Ditto.
1341         (vec_unpacku_lo_v8hi): Ditto.
1342         (vec_unpacks_lo_v8hi): Ditto.
1343         (vec_unpacku_hi_v4si): Ditto.
1344         (vec_unpacks_hi_v4si): Ditto.
1345         (vec_unpacku_lo_v4si): Ditto.
1346         (vec_unpacks_lo_v4si): Ditto.
1347         (sse5_pmacsww): New SSE5 intrinsic insn.
1348         (sse5_pmacssww): Ditto.
1349         (sse5_pmacsdd): Ditto.
1350         (sse5_pmacssdd): Ditto.
1351         (sse5_pmacssdql): Ditto.
1352         (sse5_pmacssdqh): Ditto.
1353         (sse5_pmacsdqh): Ditto.
1354         (sse5_pmacsswd): Ditto.
1355         (sse5_pmacswd): Ditto.
1356         (sse5_pmadcsswd): Ditto.
1357         (sse5_pmadcswd): Ditto.
1358         (sse5_pcmov_<move>): Conditional move support on SSE5.
1359         (sse5_phaddbw): New SSE5 intrinsic insn.
1360         (sse5_phaddbd): Ditto.
1361         (sse5_phaddbq): Ditto.
1362         (sse5_phaddwd): Ditto.
1363         (sse5_phaddwq): Ditto.
1364         (sse5_phadddq): Ditto.
1365         (sse5_phaddubw): Ditto.
1366         (sse5_phaddubd): Ditto.
1367         (sse5_phaddubq): Ditto.
1368         (sse5_phadduwd): Ditto.
1369         (sse5_phadduwq): Ditto.
1370         (sse5_phaddudq): Ditto.
1371         (sse5_phsubbw): Ditto.
1372         (sse5_phsubwd): Ditto.
1373         (sse5_phsubdq): Ditto.
1374         (sse5_pperm): Ditto.
1375         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
1376         (sse5_pperm_zero_v16qi_v8hi): Ditto.
1377         (sse5_pperm_sign_v8hi_v4si): Ditto.
1378         (sse5_pperm_zero_v8hi_v4si): Ditto.
1379         (sse5_pperm_sign_v4si_v2di): Ditto.
1380         (sse5_pperm_sign_v4si_v2di): Ditto.
1381         (sse5_pperm_pack_v2di_v4si): Ditto.
1382         (sse5_pperm_pack_v4si_v8hi): Ditto.
1383         (sse5_pperm_pack_v8hi_v16qi): Ditto.
1384         (sse5_perm<mode>): New SSE5 intrinsic insn.
1385         (rotl<mode>3): Ditto.
1386         (sse5_rotl<mode>3): Ditto.
1387         (sse5_ashl<mode>3): Ditto.
1388         (sse5_lshl<mode>3): Ditto.
1389         (sse5_frcz<mode>2): Ditto.
1390         (sse5s_frcz<mode>2): Ditto.
1391         (sse5_cvtph2ps): Ditto.
1392         (sse5_cvtps2ph): Ditto.
1393         (sse5_vmmaskcmp<mode>3): Ditto.
1394         (sse5_com_tf<mode>3): Ditto.
1395         (sse5_maskcmp<mode>3): Ditto.
1396         (sse5_maskcmp_uns<mode>3): Ditto.
1397         (sse5_maskcmp_uns2<mode>3): Ditto.
1398         (sse5_pcom_tf<mode>3): Ditto.
1399
1400         * config/i386/predicates.md (const_0_to_31_operand): New predicate
1401         to match 0..31.
1402         (sse5_comparison_float_operator): New predicate to match the
1403         comparison operators supported by the SSE5 com instruction.
1404         (ix86_comparison_int_operator): New predicate to match just the
1405         signed int comparisons.
1406         (ix86_comparison_uns_operator): New predicate to match just the
1407         unsigned int comparisons.
1408
1409         * doc/invoke.texi (-msse5): Add documentation.
1410         (-mfused-madd): Ditto.
1411
1412         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
1413
1414         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
1415         mmintrin-common.h.
1416         (x86_64-*-*): Ditto.
1417
1418         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
1419
1420         * config/i386/bmmintrin.h: New file, provide common x86 compiler
1421         intrinisics for SSE5.
1422
1423         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
1424         mmintrin-common.h.
1425
1426         * config/i386/mmintrin-common.h: New file, to contain common
1427         instructions between SSE4.1 and SSE5.
1428
1429         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
1430         FOREACH_FUNCTION_ARGS to iterate over the argument list.
1431         (gen_regparm_prefix): Ditto.
1432
1433         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
1434         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
1435         prototype_p to determine if a function is prototyped.
1436
1437 2007-09-12  Janis Johnson  <janis187@us.ibm.com>
1438
1439         * config/dfp-bit.c (dfp_conversion_exception): New function.
1440         (DFP_TO_DFP) Add new variants to use direct conversions in decNumber.
1441         (DFP_TO_INT): Ditto.
1442         (INT_TO_DFP): Ditto.
1443         * config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New.
1444
1445 2007-09-12  Jakub Jelinek  <jakub@redhat.com>
1446
1447         PR target/32338
1448         * config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage
1449         before sp restoration even when total_size is 0, but
1450         frame_pointer_needed.
1451
1452 2007-09-12  Bob Wilson  <bob.wilson@acm.org>
1453
1454         * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
1455         (xtensa_copy_incoming_a7): Use start_sequence instead of
1456         push_to_sequence.  Stash insns in vararg_a7_copy for builtin_saveregs.
1457         (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
1458         of the saveregs sequence.
1459
1460 2007-09-12  Richard Sandiford  <richard@codesourcery.com>
1461
1462         * c-tree.h (grokfield): Add a "tree *" argument.
1463         * c-decl.c (grokdeclarator): Take a pointer to the decl's attributes.
1464         Chain nested decl attributes to it.  Don't call decl_attributes here.
1465         (groktypename): Pass grokdeclarator a pointer to the attribute list.
1466         (start_decl, grokparm, push_parm_decl, start_function): Likewise.
1467         (grokfield): Take a pointer to the decl's attributes and pass
1468         it to grokdeclarator.
1469         * c-parser.c (c_parser_struct_declaration): Update the calls to
1470         grokfield.  Call decl_attributes for anonymous struct and union
1471         fields.
1472
1473 2007-09-12  Jan Hubicka  <jh@suse.cz>
1474
1475         * c-objc-common.h (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Kill.
1476
1477 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1478
1479         PR tree-optimization/32377
1480         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish
1481         between positive and negative dependence distance using DDR_REVERSED_P.
1482
1483 2007-09-12  Dorit Nuzman  <dorit@il.ibm.com>
1484
1485         PR tree-optimization/33373
1486         * tree-vect-analyze (vect_determine_vectorization_factor): Call
1487         TREE_INT_CST_LOW when comparing TYPE_SIZE_UNIT.
1488
1489 2007-09-12  Jan Hubicka  <jh@suse.cz>
1490
1491         PR target/33393
1492         * i386.md (floatsisf2_mixed_memory, floatsisf2_sse_memory): Disable
1493         for !SSE_MATH
1494
1495 2007-09-12  Christian Bruel  <christian.bruel@st.com>
1496
1497         * sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs.
1498         * linux-unwind.h (SH_DWARF_FRAME_GBR): fixed.
1499
1500 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1501
1502         * tree-vect-transform.c (vect_get_slp_defs): Don't build a vector
1503         for oprnd1 if not required.
1504         (vectorizable_operation): Use scalar operand in SLP in case of
1505         shift with scalar argument.
1506
1507 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1508
1509         * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and minimum
1510         to 1.
1511
1512 2007-09-11  James E. Wilson  <wilson@specifix.com>
1513
1514         * defaults.h (DWARF2_UNWIND_INFO): Don't define if
1515         TARGET_UNWIND_INFO is defined.
1516         * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef
1517         after definition.
1518
1519 2007-09-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1520
1521         * config/sh/sh.c (calc_live_regs): Use
1522         current_function_saves_all_registers instead of
1523         current_function_has_nonlocal_label.
1524         (sh_allocate_initial_value): Likewise.
1525         (sh_get_pr_initial_val): Likewise.
1526         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise.
1527         * config/sh/sh.md (load_ra): Likewise.
1528
1529 2007-09-12  Hans-Peter Nilsson  <hp@axis.com>
1530
1531         * config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc.
1532
1533         PR target/33360
1534         * config/cris/cris.c (cris_expand_pic_call_address): Fix typo in
1535         GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation.
1536
1537 2007-09-12  Sa Liu  <saliu@de.ibm.com>
1538
1539         * config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as
1540         operands to DFmode GE or LE compares.
1541
1542 2007-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1543
1544         * config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
1545         REG_CLASS_NAMES): Add P0REGS.
1546         (REGNO_REG_CLASS): Return it where appropriate.
1547         (REG_CLASS_FROM_CONSTRAINT): Add 'qA'.
1548         (CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
1549         * doc/md.texi (Blackfin family): Document 'q' constraints.
1550
1551 2007-09-11  Steve Kenton  <skenton@ou.edu>
1552
1553         * pa/linux-unwind.h: Guard with inhibit_libc.
1554         * pa/hpux-unwind.h: Likewise.
1555
1556 2007-09-11  David Daney  <ddaney@avtrex.com>
1557
1558         * doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options.
1559         * doc/install.texi: Document new --with-llsc and --without-llsc
1560         options.
1561         * config.gcc: Handle --with-llsc and --without-llsc configure options.
1562         * config/mips/mips.md (sync, memory_barrier): Wrap sync instrunction
1563         in %| and %- operand codes.  Depend on GENERATE_SYNC instead of
1564         ISA_HAS_SYNC.
1565         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
1566         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
1567         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
1568         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1569         sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on
1570         GENERATE_LL_SC instead of ISA_HAS_LL_SC.
1571         * config/mips/mips.opt (mllsc): New option.
1572         * config/mips/mips.c (mips_llsc): Define variable.
1573         (mips_handle_option): Handle mllsc option.
1574         (override_options): Set mips_print_operand_punct for '|' and '-'.
1575         (print_operand): Add new %| and %- operand codes.
1576         * config/mips/mips.h (mips_llsc_setting): New enum type.
1577         (mips_llsc): Declare.
1578         (OPTION_DEFAULT_SPECS): Add llsc handling.
1579         (GENERATE_SYNC): New macro.
1580         (GENERATE_LL_SC): New macro.
1581         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
1582         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
1583         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Wrap instructions
1584         in %| and %- operand codes.
1585
1586 2007-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1587
1588         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with
1589         TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P.
1590
1591 2007-09-11  Jason Merrill  <jason@redhat.com>
1592
1593         PR middle-end/27945
1594         * stor-layout.c (layout_decl): Do pack variable size fields.
1595
1596 2007-09-11  Maxim Kuvyrkov  <maxim@codesourcery.com>
1597
1598         * config/m68k/predicates.md (movsi_const0_operand,
1599         non_symbolic_call_operand): New predicates.
1600
1601         * config/m68k/constraints.md (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac):
1602         New constraints.
1603         * doc/md.texi (Constraints for Particular Machines: Motorola 680x0):
1604         Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ,
1605         CW, CZ, CS, Ap and Ac.
1606
1607         * config/m68k/m68k.md (UNSPEC_IB): New constant.
1608         (constraints.md): New include.
1609         (cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access,
1610         opx_mem, opy_mem, op_mem, guess, split): New attributes.
1611         (movdf_internal): Name pattern.  Fix to use alternatives.  Add split.
1612         Specify attributes.
1613         (pushdi): Add split.
1614         (tstsi_internal): Name pattern.  Fix to use alternatives.  Specify
1615         attributes.  Split tstsi_internal_68020_cf from it.
1616         (tstsi_internal_68020_cf): New pattern.
1617         (tsthi_internal, tstqi_internal): Name pattern.  Specify attributes.
1618         (tst<mode>_cf): Specify attributea.
1619         (cmpsi_cf): Name pattern.  Specify attributes.
1620         (cmp<mode>_68881, cmp<mode>_cf): Specify type attribute.
1621         (pushexthisi_const): Fix to use alternatives.  Specify
1622         attributes.
1623         (movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60
1624         from it.  Fix to use alternatives.  Specify attributes.
1625         (movsi_const0_68040_10, movsi_const0_68040_60): New patterns.
1626         (movsi_cf, movstrictqi_cf): Fix to use alternatives.  Specify
1627         attributes.
1628         (movsf_cf_soft): Specify attributes.
1629         (movdf_cf_soft): Add split.
1630         (pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4,
1631         cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2,
1632         68k_extendqisi2, truncdfsf2_cf): Specify attributes.
1633         (truncdfsf2_68881): Name pattern.  Specify attributes.
1634         (floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf,
1635         floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf,
1636         fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32):
1637         Specify attributes.
1638         (addsi3_5200): Fix to use alternatives.  Specify attributes.
1639         Add splits.
1640         (add<mode>3_cf, subdi_dishl32): Specify attributes.
1641         (subsi3): Add alternative for subq.l.  Specify attributes.
1642         (sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes.
1643         (mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern.  Specify
1644         attributes.
1645         (umulhisi3): Specify attributes.
1646         (mulhisisi3_z): Name pattern.  Specify attributes.
1647         (fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200,
1648         sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32,
1649         subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3,
1650         bsetmemqi): Specify attributes.
1651         (bsetmemqi_ext): Name pattern.  Specify attributes.
1652         (bclrmemqi): Specify attributes.
1653         (bclrmemqi_ext, scc, sls): Name pattern.  Specify attributes.
1654         (beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify
1655         attributes.
1656         (beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name
1657         pattern.  Specify attributes.
1658         (jump): Specify attributes.
1659         (tablejump_internal): Name pattern.  Specify attributes.
1660         (call_value): Split into non_symbolic_call_value,
1661         symbolic_call_value_jsr, symbolic_call_value_bsr.  Fix to use
1662         alternatives.  Specify attributes.
1663         (non_symbolic_call_value, symbolic_call_value_jsr,
1664         symbolic_call_value_bsr): New patterns.
1665         (nop, return, unlink, indirect_jump): Specify attributes.
1666         (trap): Fix condition.  Specify attributes.
1667         (ib): New pattern.
1668
1669         * config/m68k/m68k.c (m68k_symbolic_call_var): New variable.
1670         (override_options): Initialize it.  Initialize m68k_sched_cpu.
1671         (CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h.
1672         (const_method): Make global, rename to m68k_const_method.
1673         (const_int_cost, output_move_const_into_data_reg): Update.
1674         (output_move_double): Parametrize to emit rtl code, rename to
1675         handle_move_double.
1676         (output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi,
1677         emit_movsi): New static functions.
1678         (output_move_double): New function with semantics of old
1679         output_move_double.
1680         (m68k_emit_move_double): New function.
1681         (m68k_sched_cpu): New variable.
1682         (attr_op_type): New enum.
1683         (sched_guess_p): New variable.
1684         (sched_address_type, sched_operand_type, sched_attr_op_type):
1685         New static functions.
1686         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1687         m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions.
1688         (sched_branch_type): New static variable.
1689         (m68k_sched_branch_type): New function.
1690         * config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum.
1691         (m68k_symbolic_call_var): Declare.
1692         (M68K_CONST_METHOD): Rename from CONST_METHOD.  Move here from m68k.c.
1693         (m68k_const_method, m68k_emit_move_double, m68k_sched_cpu,
1694         m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1695         m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type):
1696         Declare.
1697
1698 2007-09-11  Jakub Jelinek  <jakub@redhat.com>
1699
1700         * builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
1701         * builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
1702         error if __builtin_va_arg_pack_len () wasn't optimized out during
1703         inlining.
1704         * tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
1705         with the number of inline's anonymous arguments.
1706         * doc/extend.texi: Document __builtin_va_arg_pack_len ().
1707
1708 2007-09-11  Zdenek Dvorak  <ook@ucw.cz>
1709
1710         * fold-const.c (extract_muldiv_1): Do not simplify
1711         var * c * c to var.
1712
1713 2007-09-11  Jan Hubicka <jh@suse.cz>
1714
1715         * i386.h (ix86_tune_indices): Add X86_TUNE_INTER_UNIT_CONVERSIONS.
1716         (TARGET_INTER_UNIT_CONVERSIONS): New.
1717         * i386.md (floatsi expanders): Remove redundant check for SImode
1718         source; offload to memory when asked for.
1719         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse
1720         floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1721         Update conditions;
1722         (floatsisf2_mixed_memory, floatsisf2_sse_memory,
1723         floatsidf2_mixed_memory, floatsidf2_sse_memory
1724         floatdisf2_mixed_memory, floatsisf2_sse_memory,
1725         floatsidf2_mixed_memory, floatsidf2_sse_memory): New.
1726
1727 2007-09-11  Jan Hubicka <jh@suse.cz>
1728
1729         * toplev.c (process_options): all frontends now do unit-at-a-time.
1730         * cgraphunit.c: update comments.
1731         (cgraph_expand_function): call passmanager dirrectly; emit thunks.
1732         * c-decl.c (finish_function): use cgraph_add_new_function.
1733         * function.c (expand_function_end): We are always unit-at-a-time.
1734
1735 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1736
1737         * config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
1738         settings for MIPS16.
1739         (mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.
1740
1741 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1742
1743         * config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of
1744         SYMBOL_FORCE_TO_MEM constants.
1745         (mips_rtx_costs): Give a cost of 1 to force_to_mem_operands.
1746         (mips16_rewrite_pool_refs_info): New structure.
1747         (mips16_rewrite_pool_constant): New function, split out from...
1748         (mips16_rewrite_pool_refs): ...here.  Take a pointer to a
1749         mips16_rewrite_pool_refs_info structure rather than a pointer
1750         to a constant pool.  Force force_to_mem_operands into memory.
1751         (mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs.
1752         * config/mips/predicates.md (force_to_mem_operand): New predicate.
1753         * config/mips/constraints.md (kf): New constraint.
1754         * config/mips/mips.md (*movdi_64bit_mips16): Add a d <- kf alternative.
1755         (*movsi_mips16): Likewise.
1756
1757 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1758             Nigel Stephens  <nigel@mips.com>
1759             David Ung  <davidu@mips.com>
1760
1761         * config/mips/mips.h (CONSTANT_POOL_COST): Move to...
1762         * config/mips/mips.c: ...here and set to 4 for TARGET_MIPS16.
1763         (mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost)
1764         (mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost)
1765         (mips_zero_extend_cost): New functions.
1766         (mips_rtx_costs): Treat COMPARE constants as having zero cost.
1767         Use the new functions.  Tweak many cost estimates, both here
1768         and in the new subroutines.  Return false when the cost of the
1769         operands has not been calculated.  Check for *clear_upper32.
1770         Check for floating-point multiply-add, reciprocal and rsqrt
1771         patterns.  Handle comparison and rotation codes.
1772
1773 2007-09-11  Danny Smith  <dannysmith@users.sourceforge.net>
1774
1775         * config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't
1776         override default.
1777         * config/i386/i386.c (get_dllimport_decl): Don't strip
1778         FASTCALL_PREFIX.
1779
1780 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1781
1782         PR c/30013
1783         * config/dfp-bit.c: Don't skip TFmode conversions; move strto*
1784         declarations to top.
1785         (DFP_TO_BFP): Use for either XFmode or TFmode.
1786         (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast
1787         of BFP_VIA_TYPE.
1788         * config/dfp-bit.h: Include float.h.
1789         (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long
1790         double is one of these modes, rather than using LIBGCC_HAS_*F_MODE
1791         which doesn't mean the same thing.
1792         (BFP_KIND): Use 4 to mean TFmode.
1793         (BFP_FMT): Specify the number of decimal digits based on the
1794         number of mantissa digits.
1795         (BFP_VIA_TYPE): Binary float type to use as cast for sprintf.
1796         (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants.
1797         (STR_TO_BFP): Use strtold for XFmode or TFmode.
1798         (TFtype): Define if TFmode is supported.
1799         * doc/libgcc.texi (Decimal float library routines): Document
1800         TF conversion functions.
1801
1802 2007-09-10  Chao-ying Fu  <fu@mips.com>
1803
1804         * config/mips/mips.c (mips_scalar_mode_supported_p): Declare.
1805         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1806         (mips_emit_compare): Process fixed-point modes.
1807         (mips_pad_arg_upward): Support fixed-point types.
1808         (override_options): Allow fixed-point modes in accumulators.
1809         (mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers.
1810         (mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode,
1811         V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP.
1812         (mips_scalar_mode_supported_p): New function to accept fixed-point
1813         modes if the width is not greater than two BITS_PER_WORD.
1814         * config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
1815         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
1816         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
1817         LONG_LONG_ACCUM_TYPE_SIZE): Define.
1818         * config/mips/mips.md ("d"): Update mode attribute for fixed-point
1819         modes.
1820         ("IMODE"): New mode attribute.
1821         (mips-fixed.md): Include.
1822         * config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT,
1823         ACCUM, UACCUM.
1824         * config/mips/mips-fixed.md: New file.
1825
1826 2007-09-11  Ben Elliston  <bje@au.ibm.com>
1827
1828         * config/spu/spu.md: Formatting fixes.
1829
1830 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1831
1832         * config/dfp-bit.c (dfp_unary_func): Delete.
1833         (dfp_unary_op): Delete.
1834         (dfp_binary_op): Use decFloat functions instead of decNumber
1835         functions for binary operations.
1836         (d32_binary_op): Convert 32-bit operands to 64 bits for evaluation.
1837         (dnn_binary_op): Call dfp_binary_op with decFloat rather than
1838         DFP_C_TYPE.
1839         (dfp_compare_op): Use decFloat functions insteadof decNumber
1840         functions for comparisons.
1841         (d32_compare_op): Convert 32-bit operands to 64 bits for evaluation.
1842         (dnn_binary_op): Call dfp_compare_op with decFloat rather than
1843         DFP_C_TYPE.
1844         (DFP_ADD, DFP_SUB, DFP_MULTIPLE, DFP_DIVIDE): Use macros for
1845         call to dxx_binary_op and decFloat function.
1846         (DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for
1847         calls to dxx_binary_op and decFloat function.
1848         * config/dfp-bit.h: Include decFloat header files.
1849         (decFloat, DFP_BINARY_OP, DFP_COMPARE_OP, DEC_FLOAT_ADD,
1850         DEC_FLOAT_SUBTRACT, DEC_FLOAT_MULTIPLY, DEC_FLOAT_DIVIDE,
1851         DEC_FLOAT_COMPARE, DEC_FLOAT_IS_ZERO, DEC_FLOAT_IS_NAN,
1852         DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths.
1853
1854 2007-09-10  Harsha Jagasia <harsha.jagasia@amd.com>
1855             Jan Sjodin <jan.sjodin@amd.com>
1856
1857         * tree-vect-analyze.c (vect_analyze_operations): Change
1858         comparison of loop iterations with threshold to less than
1859         or equal to instead of less than. Reduce
1860         min_scalar_loop_bound by one.
1861         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1862         Change prologue and epilogue iterations estimate to vf/2,
1863         when unknown at compile-time. Change versioning guard
1864         cost to taken_branch_cost. If peeling for alignment is
1865         unknown at compile-time, change peel guard costs to one
1866         taken branch and one not-taken branch per peeled loop.
1867         If peeling for alignment is known but number of scalar loop
1868         iterations is unknown at compile-time, change peel guard
1869         costs to one taken branch per peeled loop. Change the cost
1870         model equation to consider vector iterations as the loop
1871         iterations less the prologue and epilogue iterations.
1872         Change outside vector cost check to less than or equal to
1873         zero instead of equal to zero.
1874         (vect_do_peeling_for_loop_bound): Reduce
1875         min_scalar_loop_bound by one.
1876         * tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and
1877         TARG_COND_NOT_TAKEN_BRANCH_COST.
1878         * config/i386/i386.h (processor_costs): Add
1879         scalar_stmt_cost, scalar_load_cost, scalar_store_cost,
1880         vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost,
1881         vec_align_load_cost, vect_unalign_load_cost,
1882         vec_store_cost, cond_taken_branch_cost,
1883         cond_not_taken_branch_cost.
1884         Define macros for x86 costs.
1885         * config/i386/i386.c:
1886         (size_cost): Set scalar_stmt_cost, scalar_load_cost,
1887         scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
1888         scalar_to_vec_cost, vec_align_load_cost,
1889         vect_unalign_load_cost, vec_store_cost,
1890         cond_taken_branch_cost, cond_not_taken_branch_cost to one.
1891         (i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1892         geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost,
1893         core2_cost, generic64_cost, generic32_cost): Set to default
1894         untuned costs.
1895         (k8_cost, amdfam10_cost): Costs for vectorization tuned.
1896         (x86_builtin_vectorization_cost): New.
1897
1898 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1899             Ben Elliston  <bje@au.ibm.com>
1900
1901         * dfp.c: Include decimal128Local.h;
1902         (dfp_byte_swap): Remove.
1903         (encode_decimal32, decode_decimal32): Don't handle endianness.
1904         (encode_decimal64, decode_decimal64): Ditto.
1905         (encode_decimal128, decode_decimal128): Ditto.
1906         * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto.
1907         (__swap64): Remove.
1908         (host_to_ieee_64, ieee_to_host_64): Don't handle endianness.
1909         (__swap128): Remove
1910         (host_to_ieee_128, ieee_to_host_128): Don't handle endianness.
1911         * Makefile.in (DECNUM_H): Add decimal128Local.h.
1912
1913 2007-09-10  David Daney  <ddaney@avtrex.com>
1914
1915         * config/mips/mips.md (UNSPEC_MEMORY_BARRIER): New entry in
1916         define_constants.
1917         (memory_barrier): Rewrote as an insn that clobbers memory.
1918
1919 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
1920
1921         * config/mips/mips.c (mips_global_pointer): Check
1922         call_really_used_regs instead of call_used_regs.
1923         (mips_save_reg_p): Likewise.  Save all call-saved registers
1924         if current_function_saves_all_registers.  Fix indentation.
1925         No longer treat $18 as a special case.
1926         (compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT.
1927
1928 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
1929
1930         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro.
1931         * config/mips/mips.c (mips_cpu_info_table): Mention it in the
1932         the introductory comment.
1933         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
1934         (override_options): Don't test for it.
1935         * config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
1936         (DRIVER_SELF_SPECS): Add MIPS_ARCH_FLOAT_SPEC.
1937         * config/mips/vr.h: As for config/mips/sde.h.
1938
1939 2007-09-10  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1940             Revital Eres  <eres@il.ibm.com>
1941
1942         * target.h (struct gcc_target.sched): New field: sms_res_mii.
1943         (struct ddg): Define.
1944         * target-def.h (TARGET_SCHED_SMS_RES_MII): Define.
1945         (TARGET_SCHED): Add TARGET_SCHED_SMS_RES_MII.
1946         * config/spu/spu.c: Include ddg.h.
1947         (TARGET_SCHED_SMS_RES_MII): Define.
1948         (spu_sms_res_mii): New function to calculate mii.
1949         * modulo-sched (res_MII): Use it.
1950         * doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII.
1951
1952 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1953
1954         * config/s390/s390.c (s390_dump_pool): Create copy of constant
1955         pool entries since they might hold values that must not be shared.
1956
1957 2007-09-10  Uros Bizjak  <ubizjak@gmail.com>
1958
1959         PR target/33369
1960         * gcc/config/i386/sse.md (ashr<mode>3): Change op2 mode to SImode.
1961         Use 'N' operand constraint for op2.
1962         (lshr<mode>3): Ditto.
1963         (ashl<mode>3): Ditto.
1964         (vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2.
1965         (vec_shr_<mode>): Ditto.
1966         * gcc/config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128,
1967         IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode.
1968
1969 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1970
1971         * config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"):
1972         Change mode macro in the last real_2expN parameter to uppercase.
1973
1974 2007-09-10  Michael Matz  <matz@suse.de>
1975
1976         * tree-pass.h (pass_cselim): Declare new pass.
1977         * passes.c (init_optimization_passes): Link in pass_cselim.
1978         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
1979         tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
1980         cond_store_replacement.
1981         (condstoretemp): New static variable.
1982         (cond_store_replacement): New function.
1983         (tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
1984         tree_ssa_phiopt_worker.
1985         (struct name_to_bb): New.
1986         (get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
1987         nt_init_block, nt_fini_block): New static functions.
1988         (seen_ssa_names, nontrap_set): New static variables.
1989         (gate_cselim, pass_cselim): Define new pass.
1990         * common.opt (ftree-cselim): New flag.
1991         * toplev.c (process_options): Set flag_tree_cselim if required.
1992
1993 2007-09-10  Hans-Peter Nilsson  <hp@axis.com>
1994
1995         * simplify-rtx.c (simplify_relational_operation_1): For recent
1996         canonicalization, don't recurse if op1 equals both PLUS arguments.
1997
1998 2007-09-09  David Daney  <ddaney@avtrex.com>
1999
2000         * optabs.c (expand_sync_operation):  Use plus insn if minus
2001         CONST_INT_P(val).
2002         (expand_sync_fetch_operation):  Ditto.
2003
2004 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2005
2006         * i386.md (*floatsisf2_mixed_vector): Use cvtdq2ps instead
2007         of cvtpq2ps.
2008         (*floatsisf2_sse_vector): Likewise.
2009
2010 2007-09-09  Krister Walfridsson  <cato@df.lth.se>
2011
2012         * config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2013
2014 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2015
2016         * config/i386/i386.h (ix86_tune_indices): Rename
2017         X86_USE_VECTOR_CONVERTS to X86_TUNE_USE_VECTOR_CONVERTS.
2018         (TARGET_USE_VECTOR_CONVERTS): Updated.
2019         * config/i386/i386.c: Likewise.
2020
2021 2007-09-09  Sandra Loosemore  <sandra@codesourcery.com>
2022             Nigel Stephens <nigel@mips.com>
2023
2024         * doc/invoke.texi (Overall Options):  Add .sx file extension
2025         as a synonym for .S.
2026         * cppspec.c (known_suffixes): Likewise.
2027         * gcc.c (default_compilers): Likewise.
2028
2029 2007-09-09  Rask Ingemann Lambertsen  <rask@sygehus.dk>
2030
2031         PR target/30315
2032         * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
2033         * simplify-rtx.c (simplify_relational_operation_1): Add the
2034         canonicalization from i386.h.
2035         * doc/md.texi (Canonicalization of Instructions): Document it.
2036
2037 2007-09-09  Jan Hubicka  <jh@suse.cz>
2038             Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2039
2040         * i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
2041         (TARGET_USE_VECTOR_CONVERTS): New.
2042         * i386.md: New post-reload splitters for converting SF to DF and DF to
2043         SF.
2044         (floatsi* expander): Special case vector conversions.
2045         (floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
2046         floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
2047         floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
2048         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
2049         Disable when doing vector converts.
2050         (floatsi<mode>2_i387): Disable when
2051         * sse.md (vec_dupv2df): Export.
2052         * i386.c (ix86_tune_features): Enable SSE conversions.
2053
2054 2007-09-09  Richard Guenther  <rguenther@suse.de>
2055
2056         * tree-ssa-operands.c (add_virtual_operand): Only mark
2057         stores as has_volatile_ops if alias information is not available.
2058
2059 2007-09-09  Revital Eres  <eres@il.ibm.com>
2060
2061         * doc/contrib.texi: Add myself.
2062
2063 2007-09-09  Ira Rosen  <irar@il.ibm.com>
2064
2065         * tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
2066         stmt_vinfo_set_outside_of_loop_cost): New functions.
2067         * tree-vect-transform.c (vect_get_cost_fields): Remove.
2068         (vect_model_simple_cost): Call
2069         stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
2070         field instead of calling vect_get_cost_fields.
2071         (vect_model_store_cost, vect_model_load_cost): Likewise.
2072
2073 2007-09-09  Revital Eres  <eres@il.ibm.com>
2074
2075         * config/rs6000/rs6000.c (paired_init_builtins): Add const
2076         declaration to bdesc_paired_preds variable.
2077         (paired_expand_builtin): Likewise.
2078
2079 2007-09-09  Revital Eres  <eres@il.ibm.com>
2080
2081         * dbgcnt.def (sms_sched_loop): New counter.
2082         * modulo-sched.c: Use sms_sched_loop instead of
2083         MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to
2084         perform swing modulo scheduling on.  Include dbgcnt.h.
2085         * Makefile.in: Add DBGCNT_H to modulo-sched.o.
2086         * params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER.
2087
2088 2007-09-09  Uros Bizjak  <ubizjak@gmail.com>
2089
2090         * config/i386/i386.md (X87MODEF12, SSEMODEF): Remove mode iterators.
2091         Substitute all uses with ...
2092         (MODEF): New mode iterator.
2093
2094         (fix_trunc<mode>_fisttp_i387_1): Remove operand constraints
2095         from pre-regalloc define_insn_and_split splitter pattern.
2096         (*fix_trunc<mode>_i387_1): Ditto.
2097         (*fistdi2_1): Ditto.
2098         (*fist<mode>2_1): Ditto.
2099         (frndintxf2_floor): Ditto.
2100         (*fist<mode>2_floor_1): Ditto.
2101         (frndintxf2_ceil): Ditto.
2102         (*fist<mode>2_ceil_1): Ditto.
2103         (frndintxf2_trunc): Ditto.
2104         (frndintxf2_mask_pm): Ditto.
2105
2106         (prologue): Use (const_int 0) as never generated filler insn.
2107         (epilogue): Ditto.
2108         (sibcall_epilogue): Ditto.
2109         (eh_return_si): Ditto.
2110         (eh_return_di): Ditto.
2111
2112         (add<mode>3): Rename from adddf3 and addsf3.  Macroize expander
2113         using MODEF mode iterator.
2114         (sub<mode>3): Rename from subdf3 and subsf3.  Macroize expander
2115         using MODEF mode iterator.
2116         (mul<mode>3): Rename from muldf3 and mulsf3.  Macroize expander
2117         using MODEF mode iterator.
2118         (nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
2119         Macroize expander using MODEF mode iterator.
2120
2121         (zero_extendsidi2): Remove operand constraints from expander.
2122         (smuldi3_highpart): Ditto.
2123         (indirect_jump): Ditto.
2124         (tablejump): Ditto.
2125         (rsqrtsf2): Ditto.
2126         * config/i386/sse.md (storentv4sf): Ditto.
2127         (storentv2df): Ditto.
2128         (storentv2di): Ditto.
2129         (storentsi): Ditto.
2130         (sse2_cvtpd2ps): Ditto.
2131         (vec_interleave_highv16qi): Ditto.
2132         (vec_interleave_lowv16qi): Ditto.
2133         (vec_interleave_highv8hi): Ditto.
2134         (vec_interleave_lowv8hi): Ditto.
2135         (vec_interleave_highv4si): Ditto.
2136         (vec_interleave_lowv4si): Ditto.
2137         (vec_interleave_highv2di): Ditto.
2138         (vec_interleave_lowv2di): Ditto.
2139         (sse2_maskmovdqu): Ditto.
2140         * config/i386/mmx.md (mmx_maskmovq): Ditto.
2141
2142 2007-09-09  Ira Rosen  <irar@il.ibm.com>
2143
2144         * tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
2145         (struct _slp_tree, struct _slp_instance): Define new data structures
2146         along macros for their access.
2147         (struct _loop_vec_info): Define new fields: strided_stores,
2148         slp_instances, and slp_unrolling_factor along macros for their access.
2149         (enum slp_vect_type): New.
2150         (struct _stmt_vec_info): Define new field, slp_type, and macros for
2151         its access.
2152         (STMT_VINFO_STRIDED_ACCESS): New macro.
2153         (vect_free_slp_tree): Declare.
2154         (vectorizable_load): Add an argument of type slp_tree.
2155         (vectorizable_store, vectorizable_operation, vectorizable_conversion,
2156         vectorizable_assignment): Likewise.
2157         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
2158         Declare (make extern).
2159         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2160         (new_loop_vec_info): Likewise.
2161         (destroy_loop_vec_info): Free memory allocated for SLP structures.
2162         * tree-vect-analyze.c: Include recog.h.
2163         (vect_update_slp_costs_according_to_vf): New.
2164         (vect_analyze_operations): Add argument for calls to vectorizable_ ()
2165         functions. For not pure SLP stmts with strided access check that the
2166         group size is power of 2. Update the vectorization factor according to
2167         SLP. Call vect_update_slp_costs_according_to_vf.
2168         (vect_analyze_group_access): New.
2169         (vect_analyze_data_ref_access): Call vect_analyze_group_access.
2170         (vect_free_slp_tree): New functions.
2171         (vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
2172         vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
2173         vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
2174         vect_detect_hybrid_slp): Likewise.
2175         (vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
2176         and vect_detect_hybrid_slp.
2177         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
2178         SLP costs into account.
2179         (vect_get_cost_fields): New function.
2180         (vect_model_simple_cost): Make extern, add SLP parameter and handle
2181         SLP.
2182         (vect_model_store_cost, vect_model_load_cost): Likewise.
2183         (vect_get_constant_vectors): New function.
2184         (vect_get_slp_vect_defs, vect_get_slp_defs,
2185         vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
2186         vect_get_vec_defs): Likewise.
2187         (vectorizable_reduction): Don't handle SLP for now.
2188         (vectorizable_call): Don't handle SLP for now. Add argument to
2189         vect_model_simple_cost.
2190         (vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
2191         get SLPed and vectorized defs). Fix indentation and spacing.
2192         (vectorizable_assignment): Handle SLP.
2193         (vectorizable_induction): Don't handle SLP for now.
2194         (vectorizable_operation): Likewise.
2195         (vectorizable_type_demotion): Add argument to
2196         vect_model_simple_cost.
2197         (vectorizable_type_promotion): Likewise.
2198         (vectorizable_store, vectorizable_load): Handle SLP.
2199         (vectorizable_condition): Don't handle SLP for now.
2200         (vect_transform_stmt): Add a new argument for SLP. Check that there is
2201         no SLP transformation required for unsupported cases. Add SLP
2202         argument for supported cases.
2203         (vect_remove_stores): New function.
2204         (vect_schedule_slp_instance, vect_schedule_slp): Likewise.
2205         (vect_transform_loop): Schedule SLP instances.
2206         * Makefile.in: (tree-vect-analyze.o): Depend on recog.h.
2207
2208 2007-09-09  Andrew Haley  <aph@redhat.com>
2209
2210         * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the fake
2211         signed optab.
2212
2213 2007-09-09  Hans-Peter Nilsson  <hp@axis.com>
2214
2215         Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
2216         * doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
2217         Similar for what label_refs can go in the JUMP_TARGET field.  Split
2218         REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
2219         * reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
2220         REG_LABEL when replacing an operand with a LABEL_REF for a
2221         non-jump insn.
2222         (subst_reloads): When replacing a LABEL_REG with a register,
2223         instead of generating a REG_LABEL note, assert that there already
2224         is one or that the label is a known target for the insn.
2225         * rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
2226         note, check the JUMP_LABEL field.  Remove "else" after return.
2227         * reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
2228         cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
2229         (fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
2230         REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
2231         insns.  Iterate over all notes; don't assume there's only one.
2232         * cse.c (recorded_label_ref): Adjust comment to refer to
2233         REG_LABEL_OPERAND.
2234         (cse_extended_basic_block): Do LABEL_REF check for all INSN_P
2235         insns, not just NONJUMP_INSN_P.
2236         (check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
2237         isn't a jump target.
2238         * jump.c (rebuild_jump_labels): Adjust head comment.
2239         (init_label_info): Ditto.  Remove REG_LABEL_OPERAND notes only;
2240         don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
2241         (mark_all_labels): For JUMP_P insns without a target, check if the
2242         the target is noted on the previous nonjump insn.
2243         (mark_jump_label_1): New function, guts from mark_jump_label.
2244         <case IF_THEN_ELSE>: Handle first operand as a non-target when
2245         marking jump target labels.
2246         <case LABEL_REF>: Adjust for whether to generate a
2247         REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
2248         For 'E' format rtl, iterate in descending element order.
2249         (delete_related_insns): Handle both REG_LABEL_TARGET and
2250         REG_LABEL_OPERAND notes.  For JUMP_P insns with labels with zero
2251         reference count, delete and fallthrough.  Move finding-next-
2252         non-deleted insn last in the function.  Look at all INSN_P insns
2253         for REG_LABEL_OPERAND notes.
2254         (redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
2255         JUMP.
2256         * print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
2257         JUMP_LABEL, output the INSN_UID of it.
2258         * gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
2259         and/or REG_LABEL_TARGET.
2260         (add_label_notes): Only add REG_LABEL_OPERAND notes.  Put in line
2261         with jump.c copy by only adding notes for labels actually
2262         referenced in the insn.
2263         * emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
2264         usage count increment; handle all INSN_P trial insns.
2265         (emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
2266         notes.
2267         * rtl.h (struct rtx_def) <volatil>: Adjust to mention
2268         REG_LABEL_TARGET and REG_LABEL_OPERAND.
2269         (LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
2270         REG_LABEL_OPERAND.
2271         * combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
2272         JUMP_P insns and REG_LABEL_OPERAND everywhere.
2273         * sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
2274         on all INSN_P insns.
2275         * reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
2276         * cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
2277         REG_LABEL_OPERAND notes.
2278         * reload1.c (calculate_needs_all_insns): Adjust comments.
2279         (set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
2280         * config/alpha/alpha.md (split for load of an address into a
2281         four-insn sequence on Unicos/Mk): Adjust to use
2282         REG_LABEL_OPERAND.
2283         * config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
2284
2285 2007-09-09  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2286
2287         Revert:
2288         2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2289         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2290         FOR_BB_INSNS_SAFE instead of for loop.
2291         * cse.c (cse_extended_basic_block): Likewise.
2292         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2293         that the for loop does not invoke NEXT_INSN on a deleted insn.
2294         * function.c (instantiate_virtual_regs): Likewise.
2295         * lower-subreg.c (remove_retval_note): Likewise.
2296         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2297         FOR_BB_INSNS.
2298         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2299         a deleted insn.
2300         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2301         insn, if it's a jump.
2302         (try_redirect_by_replacing_jump): New variable jump_p. Call
2303         tablejump_p before delete_insn_chain.
2304         * reload1.c (reload): New variable next. Make sure that the for
2305         loop does not invoke NEXT_INSN on a deleted insn.
2306         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2307         (delete_output_reload): New variable prev. Make sure the the for
2308         loops do not invoke PREV_INSN on a deleted insn.
2309
2310 2007-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2311
2312         * pa/constraints.md: Remove 'X' from unused letters comment.
2313
2314 2007-09-08  Richard Guenther  <rguenther@suse.de>
2315
2316         * tree-tailcall.c (find_tail_calls): If we don't have aliases
2317         computed check stmt_ann->references_memory instead of counting
2318         virtual operands.
2319
2320 2007-09-08  Segher Boessenkool  <segher@kernel.crashing.org>
2321
2322         * cse.c (fold_rtx): Use validate_unshare_change() instead of
2323         validate_change() in one more case.
2324
2325 2007-09-08  Zdenek Dvorak  <ook@ucw.cz>
2326
2327         PR tree-optimization/32283
2328         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
2329         estimated_loop_iterations.
2330         (determine_use_iv_cost_condition): Decrease cost of expressions
2331         used in iv elimination.
2332
2333 2007-09-08  Richard Guenther  <rguenther@suse.de>
2334
2335         * tree-cfg.c (verify_gimple_expr): Avoid building new
2336         pointer types, use TYPE_POINTER_TO if available instead.
2337
2338 2007-09-08  Uros Bizjak  <ubizjak@gmail.com>
2339
2340         PR target/33329
2341         PR rtl-optimization/26449
2342         * config/i386/sse.md (mulv4si3): Do not expand sse2 sequence.
2343         (*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
2344         split1 pass.
2345         (mulv16qi3): Implement as define_insn_and_split pattern instead of
2346         define_expand.  Split insn in split1 pass.
2347         (mulv2di3): Ditto.
2348
2349 2007-09-08  Dorit Nuzman  <dorit@il.ibm.com>
2350
2351         PR tree-optimization/33301
2352         * tree-vect-analyze (analyze_operations): Look at the type of the rhs
2353         when relevant.
2354
2355 2007-09-07  Zdenek Dvorak  <ook@ucw.cz>
2356
2357         PR tree-optimization/32183
2358         * Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).
2359
2360         * tree-ssa-reassoc.c: Include cfgloop.h.
2361         (is_reassociable_op): Add a loop argument and return true only
2362         for inside loop.
2363         (linearize_expr): Updated.
2364         (should_break_up_subtract): Likewise.
2365         (linearize_expr_tree): Likewise.
2366         (init_reassoc): Call loop_optimizer_init with
2367         AVOID_CFG_MODIFICATIONS.  Remove calculate_dominance_info call
2368         with CDI_DOMINATORS.
2369         (fini_reassoc): Call loop_optimizer_finalize.
2370
2371 2007-09-07  Sterling Augustine  <sterling@tensilica.com>
2372
2373         * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even
2374         if there is no i-cache.
2375
2376 2007-09-07  Richard Guenther  <rguenther@suse.de>
2377
2378         Reapply
2379         2007-09-06  Richard Guenther  <rguenther@suse.de>
2380
2381         PR tree-optimization/32586
2382         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2383         folding if nothing changed.
2384         (simplify_unary_expression): New function.  Do tree combining
2385         on conversion like codes.
2386         (try_to_simplify): Call it.
2387
2388 2007-09-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2389
2390         PR target/33286
2391         * gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux.
2392         (__gthread_active,__gthread_start, __gthread_active_init): New.
2393         * gthr-posix95.h: Likewise.
2394
2395 2007-09-07  Roman Zippel <zippel@linux-m68k.org>
2396
2397         * function.h (struct function): Rename calls_unwind_init
2398         to saves_all_registers.
2399         (current_function_saves_all_registers): Renamed from
2400         current_function_calls_unwind_init.
2401         * reload1.c (reload): Set current_function_saves_all_registers.
2402         * except.c (expand_builtin_unwind_init): Likewise.
2403         * config/m68k/m68k.c (m68k_save_reg): Use
2404         current_function_saves_all_registers to save pic register.
2405
2406 2007-09-07  Janis Johnson  <janis187@us.ibm.com>
2407
2408         config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN.
2409         config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto.
2410
2411         Reapply reverted changes:
2412
2413         2007-09-06  Jan Hubicka  <jh@suse.cz>
2414
2415         * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call
2416         of real_2expN.
2417
2418         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2419
2420         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2421         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2422
2423         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2424
2425         * optabs.c (expand_float): Convert unsigned integer as signed only
2426         if it provides sufficient accuracy; add mode argument to real_2expN.
2427         (expand_fix): Fix comment typos; extend binary float into mode
2428         wider than destination for converion to unsigned integer; add mode
2429         argument to real_2expN.
2430         * real.c (real_2expN): Add mode argument to special-case decimal
2431         float values.
2432         * real.h (real_2expN): Ditto.
2433         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2434         real_2expN.
2435         (fixed_from_string): Ditto.
2436         (fixed_to_decimal): Ditto.
2437         (fixed_convert_from_real): Ditto.
2438         (real_convert_from_fixed): Ditto.
2439         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2440         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2441         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2442         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2443
2444 2007-09-07  Diego Novillo  <dnovillo@google.com>
2445
2446         * tree-flow.h (const_block_stmt_iterator): Remove.
2447         Update all users to use block_stmt_iterator.
2448         * tree-iterator.h (const_tree_stmt_iterator): Remove.
2449         Update all users to use tree_stmt_iterator.
2450
2451 2007-09-07  Sandra Loosemore  <sandra@codesourcery.com>
2452
2453         * config/mips/mips.c (mips_set_current_function): Temporarily
2454         make this a no-op to fix bootstrap errors, pending rewrite.
2455
2456 2007-09-07  Jan Hubicka  <jh@suse.cz>
2457
2458         * reorg.c (dbr_schedule): Move code removing placeholder USEs later
2459         in the pass.
2460
2461 2007-09-07  Dorit Nuzman  <dorit@il.ibm.com>
2462
2463         PR tree-optimization/33299
2464         * tree-vect-transform.c (vect_create_epilog_for_reduction): Update
2465         uses for all relevant loop-exit phis, not just the first.
2466
2467 2007-09-07  Richard Guenther  <rguenther@suse.de>
2468
2469         PR middle-end/33330
2470         * tree-ssa-operands.c (access_can_touch_variable): An access
2471         of the form (*p)[0] can touch a variable of same size.
2472
2473 2007-09-07  Jan Hubicka  <jh@suse.cz>
2474
2475         * passes.c (init_optimization_passes): Add simple dce and addressable
2476         passes.
2477         * tree-ssa.c (execute_update_addresses_taken): New function.
2478         (pass_update_address_taken): New.
2479         * tree-ssa-dse.c (execute_simple_dse): New function.
2480         (pass_simple_dse): New.
2481         * tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare.
2482
2483 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2484
2485         PR middle-end/33321
2486         * doc/invoke.texi: Fix -Wstrict-overflow= table.
2487
2488 2007-09-07  Richard Guenther  <rguenther@suse.de>
2489
2490         Revert
2491         2007-09-06  Richard Guenther  <rguenther@suse.de>
2492
2493         PR tree-optimization/32586
2494         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2495         folding if nothing changed.
2496         (simplify_unary_expression): New function.  Do tree combining
2497         on conversion like codes.
2498         (try_to_simplify): Call it.
2499
2500 2007-09-07  Richard Guenther  <rguenther@suse.de>
2501             Uros Bizjak  <ubizjak@gmail.com>
2502
2503         PR tree-optimization/32821
2504         * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
2505         NULL in the call to set_bb_stmt_list.
2506
2507 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2508
2509         * config/mips/mips.c (build_mips16_call_stub): Emit all direct
2510         float calls here, rather than leaving some to the caller.
2511         Use call_internal_direct and call_value_internal_direct.
2512         * config/mips/mips.md (call_internal_direct): New pattern.
2513         (call_value_internal_direct): Likewise.
2514
2515 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2516
2517         * config/mips/mips.c (mips_base_move_loop_invariants): New variable.
2518         (mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
2519         to 0 for MIPS16.
2520         (override_options): Set mips_base_move_loop_invariants.
2521
2522 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2523
2524         * config/mips/mips.opt (mcode-readable=): Move to keep list
2525         alphabetical.
2526
2527 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2528
2529         * doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
2530         and -mgpopt options.  Adjust the -G documentation to match.
2531         * config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
2532         * config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
2533         function, split out from mips_classify_symbol.  Return false for
2534         !TARGET_LOCAL_SDATA.
2535         (mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
2536         Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
2537         (override_options): Check whether the -mgpopt setting is consistent
2538         with the other flags.
2539         (symbolic_expression_p): Delete.
2540         (mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
2541         and default_elf_select_rtx_section.
2542         (mips_in_small_data_p): Honor section attributes for MIPS16 too.
2543         Return false for local data unless TARGET_LOCAL_SDATA.  Likewise
2544         external data and TARGET_EXTERN_SDATA.
2545
2546 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2547
2548         PR fortran/33303
2549         * doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__.
2550
2551 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2552
2553         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2554         FOR_BB_INSNS_SAFE instead of for loop.
2555         * cse.c (cse_extended_basic_block): Likewise.
2556         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2557         that the for loop does not invoke NEXT_INSN on a deleted insn.
2558         * function.c (instantiate_virtual_regs): Likewise.
2559         * lower-subreg.c (remove_retval_note): Likewise.
2560         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2561         FOR_BB_INSNS.
2562         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2563         a deleted insn.
2564         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2565         insn, if it's a jump.
2566         (try_redirect_by_replacing_jump): New variable jump_p. Call
2567         tablejump_p before delete_insn_chain.
2568         * reload1.c (reload): New variable next. Make sure that the for
2569         loop does not invoke NEXT_INSN on a deleted insn.
2570         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2571         (delete_output_reload): New variable prev. Make sure the the for
2572         loops do not invoke PREV_INSN on a deleted insn.
2573
2574 2007-09-06  Zdenek Dvorak  <ook@ucw.cz>
2575
2576         * cgraphbuild.c (rebuild_cgraph_edges): Export.
2577         * cgraph.h (rebuild_cgraph_edges): Declare.
2578         * tree-pass.h (pass_expand_omp_ssa): New.
2579         * omp-low.c (find_omp_clause): Export.
2580         (copy_var_decl): Split from omp_copy_decl_2.
2581         (build_omp_barrier): Return the call to emit instead of emitting
2582         it directly.
2583         (lower_rec_input_clauses, expand_omp_single): Gimplify the result of
2584         build_omp_barrier.
2585         (extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
2586         expand_omp_for_generic, expand_omp_for_static_nochunk,
2587         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
2588         Adapted to work on SSA form.
2589         (execute_expand_omp): Do not invalidate dominance information.
2590         (gate_expand_omp): Do not run with -fopenmp-ssa flag.
2591         (gate_expand_omp_ssa, pass_expand_omp_ssa): New.
2592         * gimplify.c (gimplify_omp_for): Ensure that the control variable is
2593         a gimple_reg.
2594         (force_gimple_operand): Allow gimplifying code expressions without
2595         value.
2596         * tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
2597         * common.opt (fopenmp-ssa): New.
2598         * tree-flow.h (find_omp_clause, copy_var_decl): Declare.
2599         * Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
2600         * tree-cfg.c: Include tree-inline.h.
2601         (struct move_stmt_d): Replace vars_to_remove by vars_map field.
2602         (replace_by_duplicate_decl, replace_ssa_name,
2603         mark_virtual_ops_in_region): New functions.
2604         (move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
2605         to work on SSA form.
2606         * passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
2607         * tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
2608         constructs.
2609
2610 2007-09-06  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2611
2612         * tree-loop-linear.c: Include obstack.h.
2613         (linear_transform_loops): New obstack lambda_obstack.
2614         Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
2615         lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
2616         and free afterwards.
2617         * lambda.h (struct obstack): New forward declaration.
2618         (lambda_linear_expression_new): New parameter of type struct
2619         obstack *.
2620         (lambda_loopnest_new): Likewise.
2621         (lambda_loopnest_transform): Likewise.
2622         (lambda_body_vector_new): Likewise.
2623         (lambda_body_vector_compute_new): Likewise.
2624         (gcc_loopnest_to_lambda_loopnest): Likewise.
2625         (lambda_loopnest_to_gcc_loopnest): Likewise.
2626         * lambda-code.c: Include obstack.h.
2627         (lambda_lattice_new): New parameter lambda_obstack.  Use it for
2628         allocation of ret.
2629         (lambda_body_vector_new): Likewise.
2630         (lambda_linear_expression_new): Likewise.
2631         (lambda_lattice_new): Likewise.
2632         (lambda_loopnest_new): Likewise.  Additionally use obstack to
2633         allocate LN_LOOPS(ret).
2634         (lambda_lattice_compute_base): New parameter lambda_obstack.  Pass
2635         it to lambda_lattice_new.
2636         (lambda_body_vector_compute_new): New parameter lambda_obstack.
2637         Pass it to lambda_body_vector_new.
2638         (lambda_lattice_compute_base): New paramater lambda_obstack.  Pass
2639         it to lambda_lattice_new.
2640         (compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
2641         Pass it to lambda_loopnest_new, lambda_linear_expression_new.
2642         (lambda_compute_target_space): Likewise.
2643         (lambda_compute_auxillary_space): New parameter lambda_obstack.
2644         Pass it to lambda_lattice_compute_base and
2645         compute_nest_using_fourieer_motzkin.
2646         (lambda_loopnest_transform): New parameter lambda_obstack.  Pass
2647         it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
2648         and lambda_lattice_compute_target_space.
2649         (gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
2650         Pass it to lambda_linear_expression_new.
2651         (gcc_loop_to_lambda_loop): New parameter lambda_obstack.  Pass it
2652         to gcc_tree_to_linear_expression.
2653         (gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
2654         Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
2655         (lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
2656         Pass it to lambda_body_vector_new and
2657         lambda_body_vector_compute_new.
2658         * Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
2659         (lambda-code.o): Likewise.
2660
2661 2007-09-06  Chao-ying Fu  <fu@mips.com>
2662
2663         * ginclude/stdfix.h: New file.
2664         * Makefile.in (USER_H): Add $(srcdir)/ginclude/stdfix.h.
2665         (convert.o): Add dependence on fixed-value.h.
2666         * c-convert.c (convert): Support FIXED_POINT_TYPE.
2667         * c-cppbuiltin.c (builtin_define_fixed_point_constants): New function
2668         to define fixed-point constants.
2669         (c_cpp_builtins): Define fixed-point constants.
2670         * convert.c (fixed-value.h): New include.
2671         (convert_to_real): Update comment to include fixed-point.
2672         Support FIXED_POINT_TYPE.
2673         (convert_to_integer): Update comment to include fixed-point.
2674         Support FIXED_POINT_TYPE.
2675         (convert_to_complex): Support FIXED_POINT_TYPE.
2676         (convert_to_fixed): New function.
2677         * convert.h (convert_to_fixed): Declare.
2678         * genopinit.c: Add comment about $Q for only fixed-point modes.
2679         (optabs): Add fract_optab, fractuns_optab, satfract_optab,
2680         satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab,
2681         sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab,
2682         ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab,
2683         usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab,
2684         usneg_optab for fixed-point modes.
2685         (gen_insn): Add force_fixed to track the $Q format for all fixed-point
2686         modes.
2687         * optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR,
2688         PLUS_EXPR, MINUS_EXPR, MULT_EXPR, NEGATE_EXPR, return signed or
2689         unsigned saturation optabs, when type is saturating.
2690         (shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT.
2691         (expand_fixed_convert): New function.
2692         (gen_fixed_libfunc, gen_signed_fixed_libfunc,
2693         gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc,
2694         gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc,
2695         gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc,
2696         gen_fract_conv_libfunc, gen_fractuns_conv_libfunc,
2697         gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New
2698         functions.
2699         (init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab,
2700         ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab,
2701         usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab,
2702         ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab,
2703         usneg_optab, fract_optab, fractuns_optab, satfract_optab,
2704         satfractuns_optab.
2705         Initialize fixed-point libraries, including add, ssadd, usadd, sub,
2706         sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl,
2707         ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract,
2708         fractuns, satfractuns.
2709         * optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub,
2710         OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg,
2711         OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen,
2712         OTI_ssmsub_widen,  OTI_usmsub_widen.
2713         (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
2714         usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
2715         ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab,
2716         umsub_widen_optab, usmsub_widen_optab): Define.
2717         (enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract,
2718         COI_satfractuns.
2719         (fract_optab, fractuns_optab, satfract_optab, satfractuns_optab):
2720         Define.
2721         (expand_fixed_convert): Declare.
2722         * expr.c (convert_move): Support the move of fixed-point modes.
2723         (emit_move_insn_1): Handle fixed-point mode to move via integer.
2724         (categorize_ctor_elements_1): Handle FIXED_CST.
2725         (count_type_elements): Handle FIXED_POINT_TYPE.
2726         (expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT,
2727         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2728         Support FIXED_CST.
2729         For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating
2730         multiply and add/subtract for fixed-point types.
2731         For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point
2732         mode, we jump to binop directly.
2733         Support FIXED_CONVERT_EXPR.
2734         (do_store_flag): Check FIXED_CST to put a constant second.
2735         (vector_mode_valid_p): Handle MODE_VECTOR_FRACT,
2736         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2737         (const_vector_from_tree): Support FIXED_CST.
2738         * doc/extend.texi (Fixed-Point): New node.
2739         * doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv,
2740         ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract,
2741         satfract, fractuns, satfractuns): Document them.
2742
2743 2007-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2744
2745         * config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc
2746         addresses into I registers.
2747
2748 2007-09-06  Jan Hubicka  <jh@suse.cz>
2749             Andreas Tobler  <a.tobler@schweiz.org>
2750
2751         * config/darwin.c (machopic_indirect_data_reference): Avoid invalid
2752         sharing.
2753         (machopic_legitimize_pic_address): Likewise.
2754
2755 2007-09-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2756             Jan Hubicka  <jh@suse.cz>
2757
2758         * config/spu/spu.md (floatsidf2): Use convert_optab_libfunc
2759         instead of ufloat_optab->handlers directly.
2760         (floatdidf2): Likewise.
2761
2762 2007-09-06  Sandra Loosemore  <sandra@codesourcery.com>
2763
2764         * config/mips/mips.c:  Include diagnostic.h.
2765         (mips_set_current_function): Check errorcount and sorrycount
2766         before generating RTL.
2767
2768 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2769
2770         PR target/33256
2771         * config/mips/mips.c (mips_classify_symbolic_expression): New function.
2772         (mips_classify_address): Use it instead of mips_symbolic_constant_p.
2773         (print_operand_reloc): Likewise.
2774
2775 2007-09-06  Janis Johnson  <janis187@us.ibm.com>
2776
2777         Revert:
2778
2779         2007-09-06  Jan Hubicka  <jh@suse.cz>
2780
2781         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2782         real_2expN.
2783
2784         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2785
2786         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2787         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2788
2789         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2790
2791         * optabs.c (expand_float): Convert unsigned integer as signed only
2792         if it provides sufficient accuracy; add mode argument to real_2expN.
2793         (expand_fix): Fix comment typos; extend binary float into mode
2794         wider than destination for converion to unsigned integer; add mode
2795         argument to real_2expN.
2796         * real.c (real_2expN): Add mode argument to special-case decimal
2797         float values.
2798         * real.h (real_2expN): Ditto.
2799         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2800         real_2expN.
2801         (fixed_from_string): Ditto.
2802         (fixed_to_decimal): Ditto.
2803         (fixed_convert_from_real): Ditto.
2804         (real_convert_from_fixed): Ditto.
2805         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2806         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2807         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2808         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2809
2810 2007-09-06  Tom Tromey  <tromey@redhat.com>
2811
2812         * tree-cfg.c (remove_bb): Only warn if line is non-zero.
2813         * c-pch.c (c_common_read_pch): Restore current location after
2814         reading PCH file.
2815         * tree.c (expand_location): Update.
2816         (expr_filename): Changed return type.  Unified the two cases.
2817         (expr_lineno): Likewise.
2818         (annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
2819         as lvalues.
2820         * toplev.c (line_table): Changed type.
2821         (general_init): Update.
2822         (realloc_for_line_map): New function.
2823         (general_init): Allocate line_table using GC.
2824         * fix-header.c (line_table): Changed type.
2825         (read_scan_file): Update.
2826         (read_scan_file): Update.
2827         * c-ppoutput.c (maybe_print_line): Update.
2828         (print_line): Update.
2829         (cb_line_change): Update.
2830         (cb_define): Update.
2831         (pp_file_change): Update.
2832         * c-opts.c (c_common_init_options): Update.
2833         (finish_options): Update.
2834         (push_command_line_include): Update.
2835         * c-lex.c (cb_line_change): Update.
2836         (cb_def_pragma): Update.
2837         (cb_define): Update.
2838         (cb_undef): Update.
2839         (c_lex_with_flags): Use cpp_get_token_with_location.
2840         * input.h (line_table): Changed type.
2841         (location_from_locus): New macro.
2842         * tree.h (EXPR_FILENAME): No longer an lvalue.
2843         (EXPR_LINENO): Likewise.
2844         (expr_locus, set_expr_locus): Declare separately for
2845         USE_MAPPED_LOCATION.
2846         (expr_filename, expr_lineno): Changed return type.
2847         * gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
2848         * cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
2849         (expand_gimple_basic_block): Likewise.
2850         * final.c (final_scan_insn): Use expanded_location.
2851
2852 2007-09-06  Richard Guenther  <rguenther@suse.de>
2853
2854         PR tree-optimization/32586
2855         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2856         folding if nothing changed.
2857         (simplify_unary_expression): New function.  Do tree combining
2858         on conversion like codes.
2859         (try_to_simplify): Call it.
2860         * builtins.c (fold_builtin_cexp): Fold the built expressions.
2861         * fold-const.c (fold_unary): Test result of get_callee_fndecl().
2862
2863 2007-09-06  Jan Hubicka  <jh@suse.cz>
2864
2865         PR target/33318
2866         * cse.c (fold_rtx): Avoid invalid sharing.
2867
2868 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2869
2870         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2871         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2872
2873 2007-09-06  Revital Eres  <eres@il.ibm.com>
2874
2875         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2876         Fix offsettable memory reference for 750CL.
2877
2878 2007-09-06  Pat Haugen  <pthaugen@us.ibm.com>
2879
2880         * reload.c (find_reloads_address_1): Try to preserve original
2881         base/index regclass of operands.
2882         * regrename.c (scan_rtx_address): Likewise.
2883         (replace_oldest_value_addr): Likewise.
2884
2885 2007-09-06  Richard Guenther  <rguenther@suse.de>
2886
2887         PR tree-optimization/33302
2888         * domwalk.c (walk_dominator_tree): The exit block is
2889         interesting even if it is not reachable.
2890
2891 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2892
2893         PR middle-end/33306
2894         * optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode.
2895
2896 2007-09-06  Basile Starynkevitch  <basile@starynkevitch.net>
2897
2898         * cfg.c (dump_bb_info, dump_edge_info): Added cfun test for
2899         robustness.
2900
2901 2007-09-05  Ian Lance Taylor  <iant@google.com>
2902
2903         * tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int
2904         when printing.
2905         (dump_generic_node): Likewise.
2906         * print-rtl.c (print_decl_name): Likewise.
2907         * print-tree.c (print_node_brief): Likewise.
2908         (print_node): Likewise.
2909         * Makefile.in (RTL_BASE_H): Add alias.h.
2910         (TREE_H): Likewise.
2911
2912 2007-09-06  Jesper Nilsson  <jesper.nilsson@axis.com>
2913
2914         * longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros):
2915         Defined.
2916         * config/cris/cris.md (ctzsi2, cris_swap_bits): Implemented.
2917         * config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined.
2918
2919 2007-09-06  Jie Zhang  <jie.zhang@analog.com>
2920
2921         * config.gcc (tm_file): Add linux.h for bfin*-uclinux*.
2922         (tm_defines): Define UCLIBC_DEFAULT to 1.
2923         (extra_options): Add linux.opt.
2924         * config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define.
2925         (CRT_CALL_STATIC_FUNCTION): Likewise.
2926         (NO_IMPLICIT_EXTERN_C): Likewise.
2927         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
2928         * config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define.
2929         * config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define.
2930         (ENDFILE_SPEC): Don't define.
2931         (LIB_SPEC): Likewise.
2932         (CRT_CALL_STATIC_FUNCTION): Likewise.
2933         (NO_IMPLICIT_EXTERN_C): Likewise.
2934         (LINUX_TARGET_OS_CPP_BUILTINS): Likewise.
2935         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
2936
2937 2007-09-06  Jan Hubicka  <jh@suse.cz>
2938
2939         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2940         real_2expN.
2941
2942 2007-09-06  Jan Hubicka  <jh@suse.cz>
2943
2944         * opts.c (common_handle_option): Enable inlining functions for
2945         -fprofile-generate.
2946
2947 2007-09-06  Jakub Jelinek  <jakub@redhat.com>
2948
2949         * builtin-attrs.def (ATTR_NONNULL_3): New.
2950         (DEF_FORMAT_ATTRIBUTE): Use just ATTR_NONNULL_##FA instead of
2951         ATTR_NOTHROW_NONNULL_##FA.
2952         (DEF_FORMAT_ATTRIBUTE_NOTHROW, DEF_FORMAT_ATTRIBUTE_BOTH): New macros.
2953         (ATTR_FORMAT_PRINTF_NOTHROW_2_0, ATTR_PRINTF_NOTHROW_2_3,
2954         ATTR_FORMAT_PRINTF_NOTHROW_3_0, ATTR_FORMAT_PRINTF_NOTHROW_3_4,
2955         ATTR_FORMAT_PRINTF_NOTHROW_4_0, ATTR_PRINTF_NOTHROW_4_5,
2956         ATTR_FORMAT_PRINTF_NOTHROW_5_0, ATTR_FORMAT_PRINTF_NOTHROW_5_6,
2957         ATTR_FORMAT_SCANF_NOTHROW_2_0, ATTR_FORMAT_SCANF_NOTHROW_2_3,
2958         ATTR_FORMAT_STRFTIME_NOTHROW_3_0, ATTR_FORMAT_STRFMON_NOTHROW_3_4):
2959         New.
2960         (ATTR_FORMAT_PRINTF_4_0, ATTR_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0,
2961         ATTR_FORMAT_PRINTF_5_6, ATTR_FORMAT_STRFTIME_3_0,
2962         ATTR_FORMAT_NOTHROW_3_4): Remove.
2963         * builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf,
2964         vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk,
2965         __vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_*
2966         instead of ATTR_FORMAT_*_*.
2967
2968 2007-09-06  Hans-Peter Nilsson  <hp@axis.com>
2969
2970         * config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on
2971         parts re-used for REG_FRAME_RELATED_EXPR.
2972
2973 2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2974
2975         * optabs.c (expand_float): Convert unsigned integer as signed only
2976         if it provides sufficient accuracy; add mode argument to real_2expN.
2977         (expand_fix): Fix comment typos; extend binary float into mode
2978         wider than destination for converion to unsigned integer; add mode
2979         argument to real_2expN.
2980         * real.c (real_2expN): Add mode argument to special-case decimal
2981         float values.
2982         * real.h (real_2expN): Ditto.
2983         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2984         real_2expN.
2985         (fixed_from_string): Ditto.
2986         (fixed_to_decimal): Ditto.
2987         (fixed_convert_from_real): Ditto.
2988         (real_convert_from_fixed): Ditto.
2989         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2990         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2991         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2992         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2993
2994 2007-09-05  Ian Lance Taylor  <iant@google.com>
2995
2996         * init-regs.c (initialize_uninitialized_regs): Call
2997         emit_insn_before rather than add_insn_before.
2998
2999 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3000
3001         * builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
3002         * tree.h (CALL_EXPR_VA_ARG_PACK): Define.
3003         * tree-inline.h (copy_body_data): Add call_expr field.
3004         * tree-inline.c (expand_call_inline): Initialize call_expr.
3005         (copy_bb): Append anonymous inline fn arguments to arguments
3006         when inlining a CALL_EXPR_VA_ARG_PACK call.
3007         * builtins.c (expand_builtin): Issue an error if
3008         BUILT_IN_VA_ARG_PACK is seen during expand.
3009         (fold_call_expr, fold_builtin_call_array): Don't fold
3010         CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with
3011         __builtin_va_arg_pack () call as last argument.
3012         * gimplify.c (gimplify_call_expr): If last argument to a vararg
3013         function is __builtin_va_arg_pack (), decrease number of call
3014         arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
3015         * expr.c (expand_expr_real_1): Issue an error if
3016         CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
3017         * tree-pretty-print.c (dump_generic_node): Handle printing
3018         CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs.
3019         * doc/extend.texi (__builtin_va_arg_pack): Document.
3020
3021 2007-09-05  Adam Nemet  <anemet@caviumnetworks.com>
3022
3023         PR tree-optimization/21513
3024         * builtins.c (build_builtin_expect_predicate): New function.
3025         (fold_builtin_expect): Add argument for expected value.
3026         Distribute __builtin_expect over short-circuiting operations.
3027         Fold nested builtin_expects.
3028         (fold_builtin_2): Adjust call to fold_builtin_expect.
3029
3030 2007-09-05  Rask Ingemann Lambertsen  <rask@sygehus.dk>
3031
3032         PR web/32965
3033         PR tree-optimization/13756
3034         * doc/invoke.texi (Options That Control Optimization): Document
3035         -ftree-dse.
3036
3037 2007-09-05  Uros Bizjak  <ubizjak@gmail.com>
3038
3039         * gcc/config/i386/cpuid.h: New file.
3040         * gcc/config/i386/driver-i386.c: Include cpuid.h.
3041         (describe_cache): Shrink size and line strings to 100 bytes.
3042         (detect_caches_amd): Return "" for unsupported max_ext_level.
3043         Use __cpuid function.
3044         (detect_caches_intel): Return "" for unsupported max_level.
3045         Use __cpuid function.
3046         (host_detect_local_cpu): Change feature flag variables to
3047         unsigned int.  Initialize only extended feature flag variables.
3048         Use __get_cpuid_max to determine max supported cpuid level.
3049         Use __cpuid function to determine supported features.  Fix
3050         calculation of family id.  Remove is_amd and check signature
3051         directly.  Check for Geode signature.  Handle family 4 id.
3052         [PROCESSOR_GENERIC32]: New default for unknown family id.  Move
3053         cpu discovery code to lower part of the function.
3054         [PROCESSOR_PENTIUM, PROCESSOR_K6, PROCESSOR_ATHLON]: Do not tune
3055         for sub-architecture.
3056         [PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code.
3057         [PROCESSOR_K8]: Add k8-sse3 architecture.
3058         [PROCESSOR_NOCONA]: Remove.
3059         [PROCESSOR_GENERIC64]: Ditto.
3060         * gcc/config/i386/x-i386 (driver-i386.o): Depend on cpuid.h.
3061         * gcc/config/i386/crtfastmath.c: Include cpuid.h.  Use __get_cpuid
3062         to check for SSE and FXSAVE support.
3063         * gcc/config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h.
3064         Add -minline-all-stringops.
3065         * gcc/config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers.
3066         (x86_64-*-*): Ditto.
3067
3068 2007-09-05  Jie Zhang  <jie.zhang@analog.com>
3069
3070         * config/bfin/linux-unwind.h: New file.
3071         * config/bfin/linux.h (MD_UNWIND_SUPPORT): Define.
3072         * config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define.
3073
3074 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3075
3076         * Makefile.in (stmt.o): Add alloc-pool.h dependency.
3077         * stmt.c: Include alloc-pool.h.
3078         (struct case_node): Remove GTY marker.
3079         (add_case_node): New parameter case_node_pool.  Use it for
3080         allocation of r.
3081         (expand_case): New allocation pool case_node_pool.  Initialize it,
3082         pass to add_case_node and free it.
3083
3084 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3085             David Ung  <davidu@mips.com>
3086             Nigel Stephens <nigel@mips.com>
3087
3088         Add mips16/nomips16 function attributes and -mflip-mips16 option
3089         for testing mixed-mode compilation.
3090
3091         * config/mips/mips.opt (mflip-mips16): New.
3092
3093         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define.
3094         (SYMBOL_FLAG_MIPS16_FUNC_P): Define.
3095
3096         * config/mips/mips.c (mips_base_target_flags): New.
3097         (mips_base_mips16): New.
3098         (mips_base_schedule_insns): New.
3099         (mips_base_reorder_blocks_and_partition): New.
3100         (mips_base_align_loops): New.
3101         (mips_base_align_jumps): New.
3102         (mips_base_align_functions): New.
3103         (mips16_flipper): New.
3104         (mips_attribute_table): Add "mips16" and "nomips16" entries.
3105         (TARGET_SET_CURRENT_FUNCTION): Define.
3106         (mips_mips16_type_p, mips_nomips16_type_p): New.
3107         (mips_comp_type_attributes): Check mips16/nomips16 attributes.
3108         (mips_function_ok_for_sibcall): Make it deal with functions with
3109         mips16 attributes.
3110         (mips_init_split_addresses): New, split out from override_options.
3111         (mips_init_relocs): New, split out from override_options.
3112         (was_mips16_p): New.
3113         (mips_set_mips16_mode): New, split out from override_options.
3114         (mips_set_current_function): New.
3115         (override_options): Add sorry for unsupported mips16/pic
3116         combination.  Remove error for mips16/dsp combination.  Save
3117         base option settings.
3118         (mips_file_start): Move mips16 mode setting output from here....
3119         (mips_output_function_prologue): ....to here.
3120         (mips_output_mi_thunk): Check for mips16 function.
3121         (build_mips16_function_stub): Don't set .mips16 here.
3122         (build_mips16_call_stub): Likewise.
3123         (mips_expand_builtin): Error in mips16 mode.
3124         (mips_use_mips16_mode_p): New.
3125         (mips_encode_section_info): Check for mips16 function, and set
3126         SYMBOL_REF_FLAGS accordingly.
3127
3128         * doc/extend.texi (Function Attributes): Document new
3129         mips16/nomips16 attributes.
3130         * doc/invoke.texi (Option Summary): Add -mflip-mips16.
3131         (MIPS Options): Document -mflip-mips16.
3132
3133 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3134
3135         * config/mips/mips.c (mips_legitimize_tls_address): Call sorry
3136         if we encounter TLS address in MIPS16 mode.
3137         (mips_legitimize_const_move): Check cannot_force_const_mem for
3138         the (const (plus symbol offset)) case; this forces invalid TLS
3139         address in MIPS16 mode to be caught by the above call to sorry.
3140         (override_options): Don't reset targetm.have_tls in MIPS16 mode,
3141         because that now enables emutls, which is not ABI compatible
3142         with native TLS in non-MIPS16 mode.
3143
3144 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3145
3146         Add target hook invoked when cfun changes.
3147
3148         * doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document.
3149         * target.h (struct gcc_target): Add set_current_function.
3150         * target-def.h (TARGET_SET_CURRENT_FUNCTION): Define.
3151         (TARGET_INITIALIZER): Add initializer for set_current_function.
3152         * tree.h (push_struct_function): New.
3153         * tree-inline.h (push_cfun, pop_cfun): Move declarations to...
3154         * function.h: Here.
3155         (set_cfun): Declare.
3156         * tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
3157         * function.c: Here.
3158         (push_function_context_to): Use allocate_struct_function
3159         to create null context, not init_dummy_function_start.  Use set_cfun.
3160         (pop_function_context_from): Use set_cfun.
3161         (in_dummy_function): New.
3162         (invoke_set_current_function_hook): New.
3163         (set_cfun): New.
3164         (push_cfun, pop_cfun): Use set_cfun.
3165         (push_struct_function): New.
3166         (allocate_struct_function): Call invoke_set_current_function_hook
3167         before returning.
3168         (prepare_function_start): Don't set cfun here.  Remove unused
3169         argument; fix all callers.
3170         (init_dummy_function_start): Fiddle with in_dummy_function.  Call
3171         push_struct_function.
3172         (init_function_start): Set cfun here.
3173         (expand_dummy_function_end): Fiddle with in_dummy_function.  Pop cfun.
3174         * omp-low.c (create_omp_child_function): Use push_struct_function
3175         and pop_cfun to save/restore state.
3176         (expand_omp_parallel): Remove unused saved_cfun variable.
3177         * cgraphunit.c (ipa_passes): Use set_cfun.
3178         * gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here.
3179         * dwarf2out.c (dwarf2out_abstract_function): Likewise.
3180         * matrix-reorg.c (transform_allocation_sites): Likewise.
3181         (matrix_reorg): Use set_cfun.
3182         * gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here.
3183         * tree-optimize.c (tree_rest_of_compilation): Remove one redundant
3184         assignment to cfun; use set_cfun for the other.
3185         * tree-cfg.c (move_sese_region_to_fn): Use set_cfun.
3186         (dump_function_to_file): Use push_cfun/pop_cfun here.
3187         * c-decl.c (finish_function): Use set_cfun.
3188
3189 2007-09-05  Kenneth Zadeck <zadeck@naturalbridge.com>
3190
3191         * regrename.c (rerename_optimize): Use deferred rescanning and
3192         insert explicit calls to rescan insns when changed.
3193
3194 2007-09-05  Jan Hubicka  <jh@suse.cz>
3195
3196         * optabs.c (libfunc_entry): Change optab to integer.
3197         (hash_libfunc, convert_optab_libfunc, optab_libfunc,
3198         set_optab_libfunc, set_conv_libfunc): Use optable indexes instead
3199         of pointers for hashing.
3200
3201 2007-09-05  Jan Hubicka  <jh@suse.cz>
3202
3203         * regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
3204         verifier.
3205         * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
3206         * see.c (pass_see): Likewise.
3207         * tracer.c (pass_tracer): Likewise.
3208         * postreload-gcse.c (pass_gcse2): Likewise.
3209         * postreload.c (pass_postreload_cse): Likewise.
3210         * mode-switching.c (pass_mode_switching): Likewise.
3211         * modulo-sched.c (pass_sms): Likewise.
3212         * cse.c (cse_insn): Likewise.
3213         * web.c (pass_web): Likweise.
3214         * combine-stack-adj.c (pass_stack_adjustments): Likewise.
3215         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
3216         * loop-init.c (pass_rtl_loop_init): Likewise.
3217         (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
3218         pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
3219         * global.c (pass_global_alloc): Likewise.
3220         * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
3221         pass_if_after_reload): Likewise.
3222         * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
3223         * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
3224         * regmove.c (pass_regmove): Likewise.
3225         * function.c (pass_thread_prologugues_epilogues): Likewise.
3226         * gcse.c (pass_gcse): Likewise.
3227         * rtl-factoring.c (pass_rtl_seqabstr): Likewise.
3228         * lower-subreg.c (pass_lower_subreg2): Likewise.
3229         * bt-load.c (pass_branch_target_load): Likewise.
3230         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3231         * cfgcleanup.c (pass_jump, pass_jump2): Likewise.
3232         * combine.c (pass_combine): Likewise.
3233         * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
3234         (pass_partition_blocks): Likewise.
3235         * var-tracking.c (pass_variable_track): Likewise.
3236         * reg-stack.c (pass_stack_regs_run): Likewise.
3237         * sched-rgn.c (pass_sched, pass_sched2): Likewise.
3238         * passes.c (pass_postreload): Likewise.
3239         (execute_function_todo): Add TODO_verify_rtl_sharing handling code.
3240         * tree-pass.h (TODO_verify_rtl_sharing): New.
3241         (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
3242         TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
3243         TODO_set_props, TODO_df_finish, TODO_df_verify,
3244         TODO_mark_first_instance, TODO_rebuild_alias): Renumber.
3245
3246 2007-09-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3247
3248         * fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p,
3249         fold_real_zero_addition_p, reorder_operands_p,
3250         div_if_zero_remainder, fold_undefer_overflow_warnings,
3251         int_binop_types_match_p, fold_convert_const_int_from_int,
3252         fold_convert_const_int_from_real,
3253         fold_convert_const_int_from_fixed,
3254         fold_convert_const_real_from_real,
3255         fold_convert_const_real_from_fixed,
3256         fold_convert_const_fixed_from_fixed,
3257         fold_convert_const_fixed_from_int,
3258         fold_convert_const_fixed_from_real, maybe_lvalue_p,
3259         fold_checksum_tree, fold_check_failed, print_fold_checksum,
3260         debug_fold_checksum, multiple_of_p): Constify.
3261         * tree-flow-inline.h (get_lineno): Likewise.
3262         * tree-flow.h (get_lineno): Likewise.
3263         * tree-object-size.c (compute_object_offset, addr_object_size,
3264         alloc_object_size, pass_through_call): Likewise.
3265         * tree-pretty-print.c (op_symbol, print_call_name,
3266         print_struct_decl, do_niy): Likewise.
3267         * tree.h (fold_undefer_overflow_warnings, multiple_of_p,
3268         debug_fold_checksum): Likewise.
3269
3270 2007-09-04  Steven Bosscher  <steven@gcc.gnu.org>
3271
3272         PR middle-end/33029
3273         * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL
3274         note, remove the associated REG_RETVAL note.
3275
3276 2007-09-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3277
3278         * config.gcc (powerpc*-*-*): Install
3279         spu2vmx.h, vec_types.h, and si2vmx.h headers.
3280         * config/rs6000/spu2vmx.h: New header.
3281         * config/rs6000/si2vmx.h: New header.
3282         * config/rs6000/vec_types.h: New header.
3283
3284 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3285
3286         * varasm.c (initializer_constant_valid_p): Fix comment typo.
3287
3288 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3289
3290         * config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
3291         not `m' for *ptrp.
3292         (__stdcx): Make asm volatile.
3293         (__stwcx, __stdcx): Return only 0 or 1.
3294
3295 2007-09-05  Jan Hubicka  <jh@suse.cz>
3296
3297         Revert:
3298
3299         2007-09-04  Jan Hubicka  <jh@suse.cz>
3300         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3301
3302         2007-09-04  Richard Guenther  <rguenther@suse.de>
3303         * tree-ssa-operands.c (add_virtual_operand): Only mark
3304         stores as has_volatile_ops if alias information is not available.
3305
3306 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3307
3308         * config/rs6000/tramp.asm: Include config.h.
3309         Check __PIC__ or __pic__ macro instead of SHARED.
3310
3311         PR rtl-optimization/32300
3312         * see.c (see_copy_insn): New function.
3313         (see_def_extension_not_merged, see_merge_one_use_extension,
3314         see_merge_one_def_extension): Use it.  Avoid changing
3315         PREV_INSN/NEXT_INSN chains directly, insted emit insns
3316         into sequences.  Call df_insn_delete on temporary insns
3317         that won't be emitted into the insn stream.
3318         (rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
3319         and run df_process_deferred_rescans () before run_fast_dce.
3320
3321         PR tree-optimization/33017
3322         * tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
3323         recurse for pure or const function calls.
3324
3325 2007-09-04  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3326
3327         * c-format.c: Include alloc-pool.h.
3328         (check_format_info_main): New argument fwt_alloc.  Use allocation
3329         pool instead of GC.  Remove GC deallocation code.
3330         (check_format_arg): Create allocation pool, pass it to
3331         check_format_info_main and free it afterwards.
3332         * Makefile.in (c-format.o): Add alloc-pool.h dependency.
3333
3334 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3335
3336         * config/rs6000/ppu_intrinsics.h (__protected_stream_count):
3337         Rename count macro arugment for clarity.
3338         (__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000.
3339         (__protected_stream_set): Likewise, pass 0.
3340
3341 2007-09-04  Jan Hubicka  <jh@suse.cz>
3342
3343         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3344
3345 2007-09-04  Jan Hubicka  <jh@suse.cz>
3346
3347         * invoke.texi (-finline-small-functions): Document.
3348         * ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE
3349         when deciding what is inlinable.
3350         (cgraph_decide_recursive_inlining): Handle flag_inline_functions.
3351         (cgraph_decide_inlining_of_small_function): Handle new flags.
3352         (cgraph_decide_inlining_incrementally): Likewise.
3353         * opts.c (decode_options): Enable flag_inline_small_functions at -O2
3354         * common.opt (finline-small-functions): New.
3355         * Makefile.in (build/gengtype.o-warn): Work around PR29478
3356
3357 2007-09-04  Richard Guenther  <rguenther@suse.de>
3358
3359         * tree-ssa-operands.c (add_virtual_operand): Only mark
3360         stores as has_volatile_ops if alias information is not available.
3361
3362 2007-09-04  Andrew Haley  <aph@redhat.com>
3363
3364         * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0.
3365
3366 2007-09-04  Andrew Haley  <aph@redhat.com>
3367
3368         * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New.
3369         * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New.
3370         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New.
3371
3372 2007-09-04  Emmanuel Thome  <Emmanuel.Thome@inria.fr>
3373
3374         PR c++/14178
3375         * common.opt: Mention ABI version 2 in comment.
3376
3377 2007-09-04  Jan Hubicka  <jh@suse.cz>
3378
3379         * optabs.c (debug_optab_libfunc): Update; make available to gdb.
3380         (libfunc_entry): New structure.
3381         (libfunc_hash): New hashtable.
3382         (hash_libfunc): New function.
3383         (eq_libfunc): New function.
3384         (convert_optab_libfunc): New function.
3385         (optab_libfunc): New function.
3386         (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc,
3387         expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn,
3388         expand_float, expand_fix, new_optab, new_convert_optab):
3389          Update for new libfunc API.
3390         (init_libfunc, init_integral_libfuncs,
3391         init_floating_libfuncs, init_interclass_conv_libfuncs
3392         init_intraclass_conv_libfuncs): Remove; reorganize all logic to:
3393         (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc,
3394         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
3395         gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc,
3396         gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc,
3397         gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc,
3398         gen_extend_conv_libfunc): New.
3399         (init_one_libfunc): Revamp for hashtables.
3400         (set_conv_libfunc): Likewise.
3401         (init_optabs): Initialize hashtable; use lazy initialization where
3402         possible.
3403         * optabs.h (optab_handlers): Move out of GGC.
3404         (optab, convert_optab): Move out of GGC; add lazy gen info.
3405         (code_to_optab, convert_optab_table, optab_table): Move out of GGC.
3406         (optab_libfunc, convert_optab_libfunc): New.
3407         * builtins.c (expand_builtin_powi): Update for new API.
3408         * expr.c (convert_move): Likewise.
3409         * expmed.c (expand_divmod): Likewise.
3410
3411 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3412
3413         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
3414         GOT pointer only if there is a constant pool.  Use the allocated space
3415         for SPE also.
3416
3417 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3418
3419         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
3420         typo for AltiVec.
3421
3422 2007-09-04  Revital Eres  <eres@il.ibm.com>
3423             Richard Guenther  <rguenther@suse.de>
3424             R. Clint Whaley  <whaley@cs.utsa.edu>
3425
3426         * doc/invoke.texi (-fassociative-math, -freciprocal-math):
3427         Document new flags.
3428         * tree-tailcall.c (process_assignment): Use -fassociative-math
3429         when reodering operands of floating-point type.
3430         * fold-const.c (fold_comparison, fold_binary): Use
3431         -fassociative-math and -freciprocal-math instead of
3432         -funsafe-math-optimization flag.
3433         * toplev.h (set_unsafe_math_optimizations_flags): Declare function.
3434         * tree-ssa-math-opts.c (gate_cse_reciprocals): Use
3435         -freciprocal-math instead of -funsafe-math-optimizations.
3436         * opts.c (set_fast_math_flags): Set -freciprocal-math and
3437         -fassociative-math when -ffast-math is set.
3438         (set_unsafe_math_optimizations_flags): New Function
3439         to set -freciprocal-math and -fassociative-math when
3440         -funsafe-math-optimizations is set.
3441         (common_handle_option): Call it.
3442         * tree-vectorizer.c (vect_is_simple_reduction): Use
3443         -fassociative-math when doing reduction on floats.
3444         * loop-unroll.c (analyze_insn_to_expand_var): Use
3445         -fassociative-math when expanding an accumulator of type float.
3446         * simplify-rtx.c (simplify_binary_operation_1): Use
3447         -fassociative-math and -freciprocal-math when reordeing operands
3448         of floating-point type.
3449         * combine.c (combine_simplify_rtx): Likewise.
3450         * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
3451         Likewise.
3452         * common.opt (-fassociative-math, -freciprocal-math): New flags.
3453
3454 2007-09-04  Paolo Carlini  <pcarlini@suse.de>
3455
3456         PR c++/18608
3457         * doc/install.texi (--enable-__cxa_atexit): Fix typo.
3458
3459 2007-09-04  Jan Hubicka  <jh@suse.cz>
3460
3461         * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.
3462
3463 2007-09-04  Jan Hubicka  <jh@suse.cz>
3464
3465         * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
3466         and corresponding MATCH_DUP.
3467
3468 2007-09-04  Uros Bizjak  <ubizjak@gmail.com>
3469
3470         PR middle-end/33187
3471         * combine.c (subst): Do not try to simplify X if it represents load
3472         of FP constant from the constant pool via float extension.
3473
3474 2007-09-04  Ben Elliston  <bje@au.ibm.com>
3475
3476         * c-opts.c: Include "tm_p.h".
3477         * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency.
3478
3479 2007-09-04  Richard Guenther  <rguenther@suse.de>
3480
3481         PR tree-optimization/33291
3482         * tree-pretty-print.c (dump_generic_node): Dump all
3483         qualifiers for pointer types, not only first.  Dump
3484         qualifiers for aggregate types as well.
3485         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
3486         use the canonical type for building ARRAY_REFs.
3487         * gimplify.c (canonicalize_addr_expr): Clean up.  The
3488         correct validness check is compatibility of the pointer
3489         types.  Always use the canonical type for building
3490         ARRAY_REFs and ADDR_EXPRs.
3491         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
3492         change that disabled propagation of ADDR_EXPRs into statements
3493         with volatile ops.
3494
3495 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3496
3497         * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart)
3498         (umulsi3_highpart): Make into expanders; existing insns are
3499         now named *[insn]_nov6.  Add stars to existing [insn]_v6
3500         counterparts' names.
3501
3502 2007-09-03  Daniel Jacobowitz  <dan@codesourcery.com>
3503
3504         * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
3505         (unprotoize.o): Remove SHLIB_MULTILIB.
3506
3507 2007-09-03  Eric Weddington  <eweddington@cso.atmel.com>
3508
3509         * doc/extend.texi: Document progmem attribute for AVR.
3510
3511 2007-09-03  Anatoly Sokolov <aesok@post.ru>
3512
3513         PR target/28902
3514         * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
3515
3516 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3517
3518         * optabs.c (expand_ffs): Initialize val and defined_at_zero
3519         to avoid warnings.
3520
3521         * optabs.c: Remove unnecessary forward declarations.
3522         (expand_unop_direct): New, broken out of expand_unop.
3523         (expand_doubleword_clz): New.
3524         (expand_ctz): Move above expand_ffs.  Use
3525         start_sequence, end_sequence, add_equal_note, and
3526         expand_unop_direct.  Add more commentary.
3527         (expand_ffs): Try both ctz optab and expand_ctz.
3528         Generate a test and branch if the hardware doesn't give us
3529         a useful value for input zero.  Style improvements similar to
3530         expand_ctz.
3531
3532         * config/arm/arm.md (ffssi2, ctzsi2): Delete.
3533
3534 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3535
3536         * config.gcc: Delete stanza for arm-semi-aof and
3537         armel-semi-aof targets.
3538         * config/arm/arm-protos.h
3539         * config/arm/arm.c
3540         * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
3541         make all #ifndef AOF_ASSEMBLER blocks unconditional.  Also
3542         delete aof_pic_label and remove mention of AOF in comments.
3543         * config/arm/arm.md: Delete patterns used only for AOF assembly.
3544         * config/arm/aof.h
3545         * config/arm/semiaof.h
3546         * config/arm/t-semi: Delete file.
3547
3548 2007-09-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3549
3550         * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
3551         CONST_CAST_BB): New macros for type-specific casts.
3552         (CONST_CAST): Add a TYPE parameter and define it in terms of
3553         CONST_CAST2.
3554
3555         * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
3556         * c-lex.c (cb_ident, lex_string): Likewise,
3557         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
3558         * config/i386/i386.c (ix86_function_regparm,
3559         ix86_function_sseregparm): Use CONST_CAST_TREE.
3560         * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
3561         CONST_CAST.
3562         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
3563         give_switch, set_multilib_dir): Likewise,
3564         * gengtype-parse.c (string_seq, typedef_name): Likewise,
3565         * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
3566         * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
3567         * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
3568         * prefix.c (update_path): Likewise,
3569         * pretty-print.c (pp_base_destroy_prefix): Likewise,
3570         * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
3571         * tree-cfg.c (tree_can_merge_blocks_p,
3572         tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
3573         * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
3574         * tree.c (build_string): Supply a TYPE for CONST_CAST.
3575         (attribute_list_contained): Use CONST_CAST_TREE.
3576
3577 2007-09-03  Krister Walfridsson  <cato@df.lth.se>
3578
3579         * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.
3580
3581 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3582
3583         PR middle-end/33290
3584         * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
3585         before forcing them into a register.
3586
3587 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3588
3589         * config/mips/mips.md (fetchop_bit): Use define_code_iterator
3590         rather than define_code_macro.
3591
3592 2007-09-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3593
3594         * gcc.c (xputenv): New function.
3595         (putenv_from_prefixes): Use xputenv instead of putenv.
3596         (process_command): Use xputenv instead of putenv.
3597         (set_collect_gcc_options): Use xputenv instead of putenv.
3598         (main): Use xputenv instead of putenv.
3599
3600 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3601
3602         * config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe
3603         availability of swap instruction.
3604         * config/cris/cris.md (bswapsi2): Implement using swap instruction.
3605
3606 2007-09-03  Revital Eres  <eres@il.ibm.com>
3607
3608         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update
3609         Documentation.
3610
3611 2007-09-03  Vladimir Yanovsky  <yanov@il.ibm.com>
3612             Ayal Zaks  <zaks@il.ibm.com>
3613             Revital Eres  <eres@il.ibm.com>
3614
3615         * modulo-sched.c (ps_insert_empty_row, verify_partial_schedule,
3616         compute_split_row): New functions.
3617         (ps_unschedule_node): Remove.
3618         (normalize_sched_times): Iterate over the already scheduled
3619         insns instead of the number of nodes.
3620         (MAX_SPLIT_NUM): New definition.
3621         (sms_schedule_by_order): Change the scheduling heuristic to
3622         avoid useless increases of initiation interval ii.
3623         (get_sched_window): Add dump printouts.
3624
3625 2007-09-02  David Daney  <ddaney@avtrex.com>
3626
3627         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP, UNSPEC_SYNC_OLD_OP,
3628         UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE): New define_constants.
3629         (optab, insn): Add more attributes.
3630         (fetchop_bit): New code macro.
3631         (immediate_insn): New code macro attribute.
3632         (sync): Change condition to ISA_HAS_SYNC.
3633         (rdhwr): Change predicate for operand 0 to register_operand.
3634         (memory_barrier): New expand.
3635         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
3636         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
3637         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
3638         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3639         sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns.
3640         * config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates.
3641         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
3642         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
3643         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): New Macros.
3644
3645 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3646             Hans-Peter Nilsson  <hp@axis.com>
3647
3648         * config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO):
3649         Defined to describe availability and behavior of CLZ.
3650         * config/cris/cris.md (clzsi2): Implement using lz instruction.
3651         * config/cris/cris.opt: Tweak comment for "-metrax4".
3652         * config/cris/arit.c (LZ): When defined, define as __builtin_clz.
3653         * longlong.h [__CRIS__ && __CRIS_arch_version >= 3]
3654         (count_leading_zeros): Define.
3655
3656 2007-09-01  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3657
3658         * ggc-page.c (ggc_pch_read): Call validate_free_objects.
3659
3660 2007-09-02  Joseph Myers  <joseph@codesourcery.com>
3661
3662         PR middle-end/33272
3663         * c-decl.c (grokdeclarator): Apply qualifiers to type of parameter
3664         decayed from array.
3665
3666 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3667
3668         * config/arm/arm.c, config/rs6000/ppu_intrinsics.h,
3669         config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c,
3670         ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c,
3671         sched-deps.c, sched-int.h, system.h, target.h,
3672         tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c,
3673         tree.def: Fix comment typos.
3674
3675 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3676
3677         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
3678         (override_options): Turn on -mstrict-align on non-ColdFire
3679         targets.
3680         * config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.
3681
3682 2007-09-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3683
3684         * c-common.c (const_strip_array_types): Delete.
3685         * c-common.h (const_strip_array_types): Likewise.
3686         * emit-rtl.c (const_next_insn, const_previous_insn,
3687         const_next_nonnote_insn, const_prev_nonnote_insn,
3688         const_next_real_insn, const_prev_real_insn,
3689         const_next_active_insn, const_prev_active_insn, const_next_label,
3690         const_prev_label): Delete.
3691         * gimple-low.c (block_may_fallthru): Use expr_last.
3692         * jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn.
3693         * rtl.h (const_previous_insn, const_next_insn,
3694         const_prev_nonnote_insn, const_next_nonnote_insn,
3695         const_prev_real_insn, const_next_real_insn,
3696         const_prev_active_insn, const_next_active_insn, const_prev_label,
3697         const_next_label): Delete.
3698         * rtlanal.c (keep_with_call_p): Use next_nonnote_insn.
3699         * system.h (CONST_CAST): Update comment.
3700         * tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt.
3701         (const_first_stmt, const_last_stmt): Delete.
3702         (tree_block_ends_with_condjump_p): Use last_stmt.
3703         * tree-flow.h (const_first_stmt, const_last_stmt): Delete.
3704         * tree-iterator.c (const_expr_first, const_expr_last,
3705         const_expr_only): Delete.
3706         * tree.c (const_lookup_attribute): Likewise.
3707         (attribute_list_contained): Use lookup_attribute.
3708         * tree.h (const_lookup_attribute, const_expr_first,
3709         const_expr_last, const_expr_only): Delete.
3710
3711 2007-09-01  Richard Guenther  <rguenther@suse.de>
3712
3713         * tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE
3714         instead of TREE_THIS_VOLATILE.
3715         * tree-ssa-operands.c (add_virtual_operand): Do not set
3716         has_volatile_ops.  Do not check s_ann for NULL.
3717         (get_indirect_ref_operands): Likewise.
3718         (get_expr_operands): Likewise.  For all reference trees
3719         set has_volatile_ops based on TREE_THIS_VOLATILE.  Also
3720         check base of reference for TREE_THIS_VOLATILE.
3721
3722 2007-09-01  Richard Guenther  <rguenther@suse.de>
3723
3724         * tree-cfg.c (verify_gimple_expr): Fix check for conversions
3725         between integral types.  Also allow conversions between
3726         pointer types.
3727
3728 2007-08-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3729
3730         * optabs.c (prepare_float_lib_cmp): Use
3731         libgcc_cmp_return_mode instead of word_mode.
3732         * config/dfp-bit.h: Likewise.
3733         * config/fp-bit.h: Likewise.
3734         * config/spu/spu.c (spu_libgcc_cmp_return_mode):
3735         New function.
3736         (spu_libgcc_shift_count_mode): New function.
3737         (TARGET_LIBGCC_CMP_RETURN_MODE): Define.
3738         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define.
3739
3740 2007-08-31  Joseph Myers  <joseph@codesourcery.com>
3741
3742         * tree-pretty-print.c: Include output.h.
3743         (dump_decl_name, dump_generic_node): Use %wd with pp_printf, not
3744         HOST_WIDE_INT_PRINT_DEC.
3745         * Makefile.in (tree-pretty-print.o): Add dependency on output.h.
3746
3747 2007-08-31  Zdenek Dvorak  <ook@ucw.cz>
3748
3749         PR rtl-optimization/33224
3750         * loop-iv.c (latch_dominating_def): Check that the definition belongs
3751         to the analysed region.
3752
3753 2007-08-31  Richard Guenther  <rguenther@suse.de>
3754
3755         * function.c (allocate_struct_function): Do not set
3756         current_function_returns_pointer.
3757         * function.h (struct var_refs_queue): Remove.
3758         (struct simple_obstack_stack): Likewise.
3759         (struct function): Remove fixup_var_refs_queue member.
3760         Remove returns_pointer flag.
3761         (current_function_returns_pointer): Remove define.
3762
3763 2007-08-31  Nick Clifton  <nickc@redhat.com>
3764
3765         * tree-ssa-coalesce.c (compare_pairs): Use the elements as
3766         secondary keys in order to obtain a stable sort.
3767
3768 2007-08-31  Nick Clifton  <nickc@redhat.com>
3769
3770         PR target/33132
3771         * config/m32r/constraints.md: Add W constraint for integer zero.
3772         * config/m32r/m32r.md (get_pc): Use W and i constraints.
3773         Fix length calculation by using alternatives.
3774
3775 2007-08-31  Richard Sandiford  <richard@codesourcery.com>
3776
3777         * optabs.c (shift_optab_p, commutative_optab_p): New functions,
3778         split out from expand_binop.
3779         (avoid_expensive_constant): New function.
3780         (expand_binop_directly): Remove commutative_op argument and
3781         (expand_binop_directly): Remove commutative_op argument and
3782         call cummutative_optab_p instead.  Do not change op0 or op1
3783         when swapping xop0 and xop1.  Apply avoid_expensive_constant
3784         to each argument after potential swapping.  Enforce the
3785         canonical order of commutative operands.
3786         (expand_binop): Use shift_optab_p and commutative_optab_p.
3787         Update the calls to expand_binop_directly.  Only force constants
3788         into registers when widening an operation.  Only swap operands
3789         once a direct expansion has been rejected.
3790         (expand_twoval_binop): Only force constants into registers when
3791         using a direct expansion.
3792
3793 2007-08-31  Maxim Kuvyrkov  <maxim@codesourcery.com>
3794
3795         * sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
3796         (sched_analyze_insn): Don't postprocess speculative dependencies when
3797         target has no scheduling.
3798         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
3799         'uninitialized' warning.
3800
3801 2007-08-31  Richard Guenther  <rguenther@suse.de>
3802
3803         * tree.c (build_complex_type): Always set TYPE_NAME for
3804         comples types.
3805
3806 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3807
3808         * config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
3809         internal macro. Default alignment factor for csect directives, chosen
3810         to match what BIGGEST_ALIGNMENT allows.
3811         (DATA_SECTION_ASM_OP): Use it.
3812         * config/rs6000/rs6000.c
3813         (rs6000_xcoff_output_readonly_section_asm_op):
3814         Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR.
3815         (rs6000_xcoff_output_readwrite_section_asm_op): Likewise.
3816
3817 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3818
3819         * dbxout.c (dbxout_block): Move declaration within the first
3820         #if defined (DBX_DEBUGGING_INFO) block.  Rearrange another such
3821         block to include the definition, together with the associated
3822         helpers.
3823
3824 2007-08-31  David Edelsohn  <edelsohn@gnu.org>
3825             Revital Eres  <eres@il.ibm.com>
3826
3827         * doc/invoke.texi (-mpaired): Document flag.
3828         * config.gcc: Include paired.h in powerpc extra_headers and
3829         750cl.h in powerpc-*-linux*paired*.
3830         * config/rs6000/rs6000.opt (-mpaired): New flag.
3831         * config/rs6000/rs6000.c (paired_init_builtins,
3832         paired_expand_builtin, paired_expand_lv_builtin,
3833         paired_expand_stv_builtin, paired_expand_predicate_builtin):
3834         New functions to support the paired single builtin functions.
3835         (rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE.
3836         (def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired
3837         single builtins.
3838         (bdesc_paired_preds): New structure for paired predicate
3839         instructions.
3840         (rs6000_expand_builtin): Expand paired single builtins.
3841         (rs6000_init_builtins): Init paired single builtins.
3842         (rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf.
3843         Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe
3844         and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf.  Add new types
3845         v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf.
3846         (rs6000_vector_mode_supported_p): Support paired vector mode.
3847         * config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD,
3848         PAIRED_VECTOR_MODE, PAIRED_SIMD_REGNO_P, TARGET_PAIRED_FLOAT):
3849         New.
3850         (LOCAL_ALIGNMENT): Handle PAIRED_VECTOR_MODE.
3851         (DATA_ALIGNMENT): Likewise.
3852         (UNITS_PER_SIMD_WORD): Handle PAIRED_VECTOR_MODE.
3853         (rs6000_builtins): Add PAIRED builtins.
3854         * config/rs6000/rs6000.md: Include paired.md.
3855         * config/rs6000/paired.h: New.
3856         * config/rs6000/paired.md: New.
3857         * config/rs6000/750cl.h: New.
3858         * config/rs6000/spe.md: Recognize movv2sf instruction for 750cl.
3859
3860 2007-08-30  Ollie Wild  <aaw@google.com>
3861
3862         * c-opts.c (c_common_handle_option): Support -fno-directives-only.
3863         * gcc.c (default_compilers): Add -fno-directives-only to
3864         @assembler-with-cpp.
3865
3866 2007-08-30  Sandra Loosemore  <sandra@codesourcery.com>
3867
3868         PR middle-end/33211
3869
3870         * regclass.c (initial_fixed_regs): Revert previous change and make
3871         it const again.
3872         (initial_call_used_regs): Likewise.
3873         (initial_call_really_used_regs): Delete, reverting previous addition.
3874         (initial_reg_names): Likewise.
3875         (init_reg_sets): Revert previous change.
3876         (saved_fixed_regs): New.
3877         (saved_call_used_regs): New.
3878         (saved_call_really_used_regs): New.
3879         (saved_reg_names): New.
3880         (save_register_info): New.
3881         (restore_register_info): New.
3882         (init_reg_sets_1): Replace reset of register info with call to
3883         restore_register_info.
3884         * rtl.h (save_register_info): Declare.
3885         * toplev.c (backend_init): Call save_register_info.
3886
3887 2007-08-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3888
3889         * tree-ssa-propagate.c (set_rhs): Remove the copied annotation
3890         from the original statement.
3891
3892 2007-08-30  Chao-ying Fu  <fu@mips.com>
3893
3894         * c-lex.c (interpret_fixed): Declare.
3895         (interpret_float): Process _Fract and _Accum.
3896         (interpret_fixed): New function.
3897         * final.c (output_addr_const): Process CONST_FIXED.
3898         * simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
3899         (simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
3900         SS_DIV, US_DIV.
3901         (simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
3902         US_DIV, US_ASHIFT.
3903         (simplify_immed_subreg): Support CONST_FIXED.
3904         Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
3905         (simplify_subreg): Support CONST_FIXED.
3906
3907 2007-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3908
3909         * config/rs6000/ppu_intrinsics.h: New file.
3910         * config.gcc (powerpc*-*-* <extra_headers>): Install
3911         ppu_intrinsics.h.
3912
3913 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
3914
3915         * cfg.c (dump_flow_info): Change to also print entry and exit
3916         block info.
3917         * print-rtl.c (print_rtl_single): Allow to print rtl with
3918         -fdump-unnumbered.
3919
3920 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
3921
3922         * df-core.h (df_dump_region): New function.
3923         * df.h (df_dump_region): New function.
3924         * loop-invariant.c (find_defs): Add call to df_dump_region.
3925         * loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to
3926         df_dump_region.
3927
3928 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
3929
3930         PR target/33168
3931         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return
3932         true if any of the compare_section_name calls returned true,
3933         rather than if any returned false.
3934
3935 2007-08-30  Richard Guenther  <rguenther@suse.de>
3936
3937         PR tree-optimization/33199
3938         * tree-ssa-structalias.c (handle_lhs_call): New function.
3939         (find_func_aliases): In non-IPA mode make sure that for
3940         calls that return a pointer we add a constraint for the
3941         result to point to anything.
3942
3943 2007-08-30  Richard Guenther  <rguenther@suse.de>
3944
3945         * doc/invoke.texi (-mveclibabi): Document new target option.
3946         * config/i386/i386.opt (-mveclibabi): New target option.
3947         * config/i386/i386.c (ix86_veclib_handler): Handler for
3948         vectorization library support.
3949         (override_options): Handle the -mveclibabi option, initialize
3950         the vectorization library handler.
3951         (ix86_builtin_vectorized_function): As fallback call the
3952         vectorization library handler, if set.
3953         (ix86_veclibabi_acml): New static function for ACML ABI style
3954         vectorization support.
3955
3956 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
3957
3958         * config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode
3959         used_m, even if it is 32-bit aligned, adjust used_m MEM to have
3960         SImode and update m.  Don't run gen_lowpart_common on arbitrary
3961         memory address, force it to register first.
3962
3963         PR middle-end/32758
3964         * dce.c (dce_process_block): Don't delete setters of
3965         artificially used registers.
3966
3967 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3968
3969         * config/s390/s390.md ("*add<mode>3_alc_carry1_cc",
3970         "*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc",
3971         "*add<mode>3_alc_carry2_cconly"): New insn definitions.
3972
3973 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3974
3975         * config/s390/s390.c (s390_expand_addcc): Emit canonical alc
3976         pattern.
3977         * config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc",
3978         "addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.
3979
3980 2007-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3981
3982         * system.h: Activate -Wcast-qual as warning-only.
3983
3984 2007-08-29  Paolo Bonzini  <bonzini@gnu.org>
3985
3986         PR target/33168
3987         * config/rs6000/rs6000.c (compare_section_name): New function.
3988         (rs6000_elf_in_small_data_p): Compare section prefixes instead
3989         of full name.
3990
3991 2007-08-29  Olivier Hainque  <hainque@adacore.com>
3992
3993         * xcoffout.c: #include debug.h.
3994         * Makefile.in (xcoffout.o): Add debug.h dependency.
3995
3996 2007-08-29  Uros Bizjak  <ubizjak@gmail.com>
3997
3998         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
3999         Change CONST_VECTOR_ELT to XVECEXP in elem calculation.
4000
4001 2007-08-29  Richard Guenther  <rguenther@suse.de>
4002
4003         * tree-pretty-print.c (dump_generic_node): Print
4004         label DECL_UID as D.%u.
4005         * tree-dfa.c (dump_variable): Print DECL_UID as D.%u.
4006
4007 2007-08-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4008
4009         * gcc/builtin-types.def (BT_FN_PTR_PTR_SIZE): New type.
4010         * gcc/builtins.def (BUILT_IN_REALLOC): New builtin.
4011
4012 2007-08-29  Douglas Gregor  <doug.gregor@gmail.com>
4013
4014         PR c++/33194
4015         * tree.c (build_type_attribute_qual_variant): Set canonical types
4016         on the final, unqualified attribute variant before building the
4017         qualified version.
4018
4019 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4020
4021         * config/bfin/bfin.c (bfin_expand_builtin): Fix the argument
4022         order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu.
4023
4024 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4025
4026         Revert
4027         2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4028         * config/bfin/bfin.md (composev2hi): Put operands into vector
4029         with correct order.
4030
4031 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4032
4033         * config/bfin/bfin.md (composev2hi): Put operands into vector
4034         with correct order.
4035
4036 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4037
4038         * config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text
4039         attribute when appropriate.
4040         (bfin_handle_l1_text_attribute): New.
4041         (bfin_handle_l1_data_attribute): New.
4042         (bfin_attribute_table): Add attributes: l1_text, l1_data,
4043         l1_data_A and l1_data_B.
4044         * doc/extend.texi (node Function Attributes): Document l1_text
4045         function attribute.
4046         (Variable Attributes): Add Blackfin subsection. Document l1_data,
4047         l1_data_A and l1_data_B variable attributes.
4048
4049 2007-08-28  Jie Zhang  <jie.zhang@analog.com>
4050
4051         * config/bfin/bfin.opt (minline-plt): Add.
4052         * config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit
4053         call to global functions.
4054         * doc/invoke.texi (Option Summary): Mention -minline-plt.
4055         (Blackfin Options): Document -minline-plt.
4056
4057 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
4058
4059         * config/m68k/m68k.c (m68k_get_function_kind): Assert we're never
4060         given a non-function.
4061         (m68k_ok_for_sibcall_p): Only sibcall functions of the same kind.
4062
4063 2007-08-28  DJ Delorie  <dj@redhat.com>
4064
4065         * config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support.
4066
4067 2007-08-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4068
4069         * system.h (CONST_CAST): Avoid union for gcc-4.0.x.
4070
4071 2007-08-28  Richard Guenther  <rguenther@suse.de>
4072
4073         * tree.h (struct tree_function_decl): Increase size of
4074         function_code bitfield.
4075
4076 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
4077             Kazu Hirata  <kazu@codesourcery.com>
4078
4079         * gcc/config/m68k/linux.h
4080         (M68K_HONOR_TARGET_STRICT_ALIGNMENT): Redefine as 0.
4081         * config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New.
4082         (m68k_return_in_memory): New.
4083         * gcc/config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT):
4084         New.
4085
4086 2007-08-28  Uros Bizjak  <ubizjak@gmail.com>
4087
4088         PR target/32661
4089         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
4090         Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as
4091         operand) when top VEC_SELECT extracts scalar element.
4092         * config/i386/sse.md (*vec_extract_v4si_mem): New pattern.
4093         (*vec_extract_v4sf_mem): Ditto.
4094
4095 2007-08-28  Jakub Jelinek  <jakub@redhat.com>
4096
4097         PR middle-end/32370
4098         * passes.c (init_optimization_passes): Move pass_df_finish
4099         after pass_postreload sublist.
4100
4101         PR rtl-optimization/33148
4102         * simplify-rtx.c (simplify_unary_operation_1): Only optimize
4103         (neg (lt X 0)) if X has scalar int mode.
4104
4105         PR debug/32914
4106         * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
4107         initializer, use build_vector_from_ctor if possible to create
4108         VECTOR_CST out of it.  If vector initializer is not VECTOR_CST
4109         even after this, return NULL.
4110
4111 2007-08-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4112
4113         * c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST.
4114
4115 2007-08-28  Richard Guenther  <rguenther@suse.de>
4116
4117         * tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
4118         (struct tree_function_decl): Make function_code a bitfield.
4119         Add disregard_inline_limits flag.
4120         * cgraphunit.c (cgraph_process_new_functions): Check
4121         DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
4122         (cgraph_preserve_function_body_p): Likewise.
4123         * ipa-inline.c (compute_inline_parameters): Likewise.
4124         * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
4125         for GNU C extern inline functions.
4126         (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
4127         * tree-inline.c (disregard_inline_limits_p): Remove.
4128         * tree-inline.h (disregard_inline_limits_p): Likewise.
4129         * c-common.c (handle_always_inline_attribute): Set
4130         DECL_DISREGARD_INLINE_LIMITS.
4131         * langhooks.c (add_builtin_function): Verify the function code
4132         fits in the bitfield.
4133
4134 2007-08-28  Mircea Namolaru  <namolaru@il.ibm.com>
4135             Vladimir Yanovsky  <yanov@il.ibm.com>
4136             Revital Eres  <eres@il.ibm.com>
4137             Andrey Belevantsev  <abel@ispras.ru>
4138
4139         * config/spu/spu.md: Recognize doloop pattern when -fmodulo-sched
4140         is set.
4141         * modulo-sched.c: Add documentation regarding do-loop.
4142         (doloop_register_get): Change number of arguments to support
4143         the new do-loop pattern and check whether COUNT_REG has no other
4144         occurences in the loop besides in the control part.
4145         (duplicate_insns_of_cycles): Do not duplicate the insn which
4146         changes count_reg as it is already adjusted.
4147         (generate_prolog_epilog): New argument to support the new
4148         do-loop pattern.  Change the subtract instruction to use
4149         expand_simple_binop.  Call duplicate_insns_of_cycles with new
4150         argument.
4151         (sms_schedule): Call doloop_register_get and
4152         generate_prolog_epilog with new argument.  Do not handle loops
4153         with single sets insns with subreg in their lhs.
4154         * loop-doloop.c (doloop_optimize): Support for another do-loop
4155         pattern.
4156         (doloop_condition_get): Gets an instruction instead of a pattern
4157         and change the return condition when the do-loop pattern is
4158         not parallel.
4159         * ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg
4160         deps when considering to not create edges.
4161
4162 2007-08-27  Alexandre Oliva  <aoliva@redhat.com>
4163
4164         * doc/extend.texi (gnu_inline funtion attribute): Document C++
4165         behavior.
4166
4167 2007-08-27  Jason Merrill  <jason@redhat.com>
4168
4169         PR c++/31337
4170         * gimplify.c (gimplify_modify_expr): Discard the assignment of
4171         zero-sized types after calling gimplify_modify_expr_rhs.
4172
4173 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
4174
4175         * regclass.c (init_reg_autoinc): Fix typo.
4176
4177 2007-08-27  Daniel Berlin  <dberlin@dberlin.org>
4178
4179         Fix PR tree-optimization/33173
4180         * tree-ssa-alias.c (find_used_portions): Fix reversed test.
4181
4182 2007-08-27  H.J. Lu  <hongjiu.lu@intel.com>
4183
4184         PR target/31385
4185         * config/i386/i386.h (VALID_DFP_MODE_P): New.
4186         * config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in
4187         GPR.
4188
4189 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
4190             David Ung  <davidu@mips.com>
4191             Nigel Stephens <nigel@mips.com>
4192
4193         Separate target-specific initialization from general
4194         back-end initialization.
4195
4196         * toplev.c (init_alignments): New, split out from...
4197         (process_options): ...here.
4198         (backend_init_target): New, split out from...
4199         (backend_init): ...here.
4200         (lang_dependent_init_target): New, split out from...
4201         (lang_dependent_init): ...here.
4202         (target_reinit): New.
4203         * toplev.h (target_reinit): Declare.
4204         * expr.c (init_expr_target): Renamed from init_expr_once, since it
4205         now can be called more than once.  Update comments.
4206         * expr.h (init_expr_target): Likewise.
4207         * alias.c (init_alias_target): Renamed from init_alias_once, since it
4208         now can be called more than once.  Explicitly zero
4209         static_reg_base_value.
4210         * emit-rtl.c (init_emit_regs): New, split out from...
4211         (init_emit_once): Here.
4212         * regclass.c (initial_fixed_regs, initial_call_used_regs): Make
4213         non-const, so that changes from command-line arguments can overwrite
4214         values provided by the static initializers.
4215         (initial_call_really_used_regs): New, used similarly to the above.
4216         (initial_reg_names): Likewise.
4217         (last_mode_for_init_move_cost): Promoted function-local static to
4218         file-scope static to make it accessible outside init_move_cost.
4219         (init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
4220         Do not initialize inv_reg_alloc_order yet, either.  Do initialize
4221         reg_names since it is needed for parsing command-line options.
4222         (init_move_cost): Use last_mode_for_init_move_cost instead of
4223         function-local static.
4224         (init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
4225         call_really_used_regs now.  Reinitialize reg_names.  Also
4226         initialize inv_reg_alloc_order.  Zero reg_class_subunion and
4227         reg_class_superunion.  Clear losing_caller_save_reg_set.
4228         Preserve global registers if called more than once.  Reset
4229         move cost, may_move_in_cost, may_move_out_cost, and
4230         last_mode_for_init_move_cost.
4231         (init_reg_modes_target): Renamed from init_reg_modes_once, since it
4232         can now be invoked more than once.  Update comments.
4233         (init_regs): Update comments.
4234         (fix_register): Update initial_fixed_regs, initial_call_used_regs,
4235         and initial_call_really_used_regs, instead of the non-initial
4236         variables.  This allows us to save the command-line register settings
4237         after target reinitialization.
4238         (init_reg_autoinc): Zero forbidden_inc_dec_classes.
4239         * rtl.h (init_emit_regs): Declare.
4240         (init_reg_modes_target, init_alias_target): Renamed as described
4241         above.
4242         * reload1.c (init_reload): Update comments.
4243         * optabs.c (init_optabs): Likewise.
4244         * cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
4245
4246 2007-08-26  Chao-ying Fu  <fu@mips.com>
4247
4248         * rtl.h (XCNMPFV): Preserve const-ness of parameters through use of
4249         __typeof().
4250
4251 2007-08-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4252
4253         * alias.c (memory_modified_1, memory_modified_in_insn_p):
4254         Constify.
4255         * basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
4256         Likewise.
4257         * bb-reorder.c (copy_bb_p): Likewise.
4258         * cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
4259         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4260         block_ends_with_condjump_p): Likewise.
4261         * cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
4262         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4263         block_ends_with_condjump_p): Likewise.
4264         * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
4265         * cfgrtl.c (can_delete_note_p, can_delete_label_p,
4266         rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
4267         rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
4268         need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
4269         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
4270         debug_true_const_tree instad of debug_true_tree.
4271         * debug.c (do_nothing_debug_hooks): Likewise.
4272         * debug.h (ignore_block, debug_true_const_tree): Constify.
4273         * dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
4274         dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
4275         decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
4276         same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
4277         dbx_reg_number, is_based_loc, field_type,
4278         simple_type_align_in_bits, simple_decl_align_in_bits,
4279         simple_type_size_in_bits, field_byte_offset, insert_float,
4280         type_tag, member_declared_type, is_redundant_typedef,
4281         secname_for_decl, is_inlined_entry_point): Likewise.
4282         * emit-rtl.c (const_next_insn, const_previous_insn,
4283         const_next_nonnote_insn, const_prev_nonnote_insn,
4284         const_next_real_insn, const_prev_real_insn,
4285         const_next_active_insn, const_prev_active_insn, const_next_label,
4286         const_prev_label): Likewise.
4287         * except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
4288         Likewise.
4289         * haifa-sched.c (may_trap_exp, haifa_classify_insn,
4290         find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
4291         sched_insn_is_legitimate_for_speculation_p): Likewise.
4292         * jump.c (reversed_comparison_code_parts,
4293         reversed_comparison_code, reversed_comparison, condjump_label):
4294         Likewise.
4295         * predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
4296         * reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
4297         Likewise.
4298         * rtl.h (const_previous_insn, const_next_insn,
4299         const_prev_nonnote_insn, const_next_nonnote_insn,
4300         const_prev_real_insn, const_next_real_insn,
4301         const_prev_active_insn, const_next_active_insn, const_prev_label,
4302         const_next_label, modified_between_p, modified_in_p,
4303         const_note_storeskeep_with_call_p, condjump_label,
4304         reversed_comparison, reversed_comparison_code,
4305         reversed_comparison_code_parts, memory_modified_in_insn_p,
4306         stack_regs_mentioned): Likewise.
4307         * rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
4308         keep_with_call_p): Likewise.
4309         * sched-deps.c (deps_may_trap_p, sched_get_condition,
4310         conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
4311         sd_lists_size, sd_lists_empty_p): Likewise.
4312         * sched-int.h (sched_insns_conditions_mutex_p,
4313         haifa_classify_insn, no_real_insns_p,
4314         sched_insn_is_legitimate_for_speculation_p, sd_next_list,
4315         sd_lists_size, sd_lists_empty_p): Likewise.
4316         * sdbout.c (sdb_debug_hooks): Likewise.
4317         * tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
4318         stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
4319         -tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
4320         Likewise.
4321         * tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
4322         tree_can_throw_internal): Likewise.
4323         * tree-flow-inline.h (phi_nodes): Likewise.
4324         * tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
4325         tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
4326         * tree-gimple.c (const_get_call_expr_in): Likewise.
4327         * tree-gimple.h (const_get_call_expr_in): Likewise.
4328         * tree.c (const_lookup_attribute, attribute_list_equal,
4329         attribute_list_contained): Likewise.
4330         * tree.h (attribute_list_equal, attribute_list_contained,
4331         const_lookup_attribute): Likewise.
4332         * vmsdbgout.c (vmsdbgout_ignore_block): Likewise.
4333
4334 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4335
4336         * tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c,
4337         tree-ssa-pre.c: Remove unnecessary trailing whitespace.
4338
4339 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4340
4341         PR target/32991
4342         * config/alpha/constraints.md: Delete "svn:mime-type" property
4343         with svn propdel "svn:mime-type".
4344
4345 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4346
4347         PR middle-end/33181
4348         * ifcvt.c (noce_get_alt_condition): Make sure that the previous
4349         non NOTE insn doesn't cross basic block.
4350         (noce_try_abs): Likewise.
4351         (noce_process_if_block): Likewise.
4352
4353 2007-08-26  David Edelsohn  <edelsohn@gnu.org>
4354
4355         PR target/33151
4356         * config/rs6000/predicates.md (offsettable_mem_operand): Memory
4357         operand without auto-inc-dec.
4358         * config/rs6000/rs6000.md (floatsidf2_internal): Use
4359         offsettable_mem_operand.
4360         (floatunssidf2_internal): Same.
4361         (fix_truncdfsi2_internal): Same.
4362         (floatsidf_ppc64): Same.
4363         (floatunssidf_ppc64): Same.
4364         (fix_trunctfsi2_internal): Same.
4365
4366 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4367
4368         PR bootstrap/30620
4369         * Makefile.in (libbackend.o): Add gcov-iov.h dependency and
4370         pass defines needed for version.c.
4371
4372 2007-08-25  Joseph Myers  <joseph@codesourcery.com>
4373
4374         * configure.ac (--debug-prefix-map check): Change assembler
4375         version presumed to have feature to 2.18.
4376         * configure: Regenerate.
4377
4378 2007-08-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4379
4380         * c-common.c (vector_types_convertible_p,
4381         decl_with_nonnull_addr_p, c_promoting_integer_type_p,
4382         self_promoting_args_p): Constify.
4383         * c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
4384         c_promoting_integer_type_p, self_promoting_args_p,
4385         anon_aggr_type_p, vector_types_convertible_p): Likewise.
4386         * c-decl.c (anon_aggr_type_p): Likewise.
4387         * * c-dump.c (dump_stmt): Likewise.
4388         * c-objc-common.c (has_c_linkage): Likewise.
4389         * c-tree.h (same_translation_unit_p): Likewise.
4390         * c-typeck.c (null_pointer_constant_p,
4391         tagged_types_tu_compatible_p, function_types_compatible_p,
4392         type_lists_compatible_p, lvalue_or_else, lvalue_p,
4393         comptypes_internal, struct tagged_tu_seen_cache,
4394         same_translation_unit_p, alloc_tagged_tu_seen_cache,
4395         c_size_in_bytes): Likewise.
4396         * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
4397         hash_ptr, eq_ptr): Likewise.
4398         * langhooks-def.h (lhd_decl_ok_for_sibcall,
4399         LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise.
4400         * langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
4401         * langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
4402         Likewise.
4403         * optabs.c (optab_for_tree_code): Likewise.
4404         * optabs.h (optab_for_tree_code): Likewise.
4405         * rtl.h (simplify_rtx): Likewise.
4406         * simplify-rtx.c (simplify_rtx): Likewise.
4407         * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
4408         dump_flag, dump_node): Likewise.
4409         * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
4410         queue_and_dump_type, dump_flag): Likewise.
4411         * tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
4412         * tree-pass.h (dump_node): Likewise.
4413         * tree-vectorizer.c (vect_can_force_dr_alignment_p,
4414         supportable_narrowing_operation): Likewise.
4415         * tree-vectorizer.h (vect_can_force_dr_alignment_p,
4416         supportable_narrowing_operation): Likewise.
4417         * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
4418         is_negative_overflow_infinity, is_positive_overflow_infinity,
4419         is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
4420         nonnull_arg_p, get_value_range, vrp_operand_equal_p,
4421         update_value_range, add_equivalence, ssa_name_nonnegative_p,
4422         ssa_name_nonzero_p, fp_predicate): Likewise.
4423         * tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
4424         * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
4425         ssa_name_nonnegative_p): Likewise.
4426
4427 2007-08-25  Hans Kester  <hans.kester@ellips.nl>
4428
4429         * config.gcc : Add x86_64-elf target.
4430
4431 2007-08-25  Jakub Jelinek  <jakub@redhat.com>
4432
4433         * expr.c (store_expr): Fix order of store_by_pieces arguments.
4434
4435 2007-08-24  Sandra Loosemore  <sandra@codesourcery.com>
4436             Nigel Stephens <nigel@mips.com>
4437
4438         PR target/11787
4439
4440         * doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros.
4441         (STORE_BY_PIECES_P): No longer applies to __builtin_memset.
4442         * expr.c (SET_BY_PIECES_P): Define.
4443         (can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use
4444         it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P.
4445         (store_expr): Pass MEMSETP argument to can_store_by_pieces and
4446         store_by_pieces.
4447         * expr.h (SET_RATIO): Define.
4448         (can_store_by_pieces, store_by_pieces): Update prototypes.
4449         * builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to
4450         can_store_by_pieces/store_by_pieces.
4451         (expand_builtin_memcpy_args): Likewise.
4452         (expand_builtin_strncpy): Likewise.
4453         (expand_builtin_memset_args): Likewise.  Also remove special case
4454         for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can
4455         decide what to do instead.
4456         * value-prof.c (tree_stringops_transform): Pass MEMSETP argument
4457         to can_store_by_pieces.
4458
4459         * config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P.
4460         * config/s390/s390.h (SET_BY_PIECES_P): Likewise.
4461
4462         * config/mips/mips.opt (mmemcpy): Change from Var to Mask.
4463         * config/mips/mips.c (override_options): Make -Os default to -mmemcpy.
4464         * config/mips/mips.h (MIPS_CALL_RATIO): Define.
4465         (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Define.
4466         (STORE_BY_PIECES_P): Define.
4467
4468 2007-08-24  Tom Tromey  <tromey@redhat.com>
4469
4470         * varpool.c (varpool_last_needed_node): Fix comment typo.
4471         * c-decl.c (duplicate_decls): Fix comment typo.
4472         (clone_underlying_type): Update comment.
4473
4474 2007-08-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4475
4476         * config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp,
4477         alpha_in_small_data_p, alpha_split_complex_arg,
4478         alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4479         Constify.
4480         * config/arm/arm-protos.h (arm_mangle_type): Likewise.
4481         * config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type):
4482         Likewise.
4483         * config/bfin/bfin.c (funkind, bfin_comp_type_attributes,
4484         TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4485         * config/darwin-protos.h (darwin_binds_local_p): Likewise.
4486         * config/darwin.c (darwin_binds_local_p): Likewise.
4487         * config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p):
4488         Likewise.
4489         * config/i386/i386-protos.h (i386_pe_binds_local_p,
4490         i386_pe_valid_dllimport_attribute_p): Likewise.
4491         * config/i386/i386.c (ix86_function_regparm,
4492         ix86_comp_type_attributes, ix86_ms_bitfield_layout_p,
4493         x86_can_output_mi_thunk, ix86_mangle_type,
4494         TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4495         * config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p,
4496         i386_pe_binds_local_p): Likewise.
4497         * config/ia64/ia64.c
4498         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4499         ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type,
4500         ia64_invalid_conversion, ia64_invalid_unary_op,
4501         ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4502         Likewise.
4503         * config/m32c/m32c.c (m32c_comp_type_attributes): Likewise.
4504         * config/m32r/m32r.c (m32r_in_small_data_p): Likewise.
4505         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4506         * config/mips/mips.c (mips_use_blocks_for_constant_p,
4507         mips_in_small_data_p, mips_use_anchors_for_symbol_p,
4508         mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4509         mips_near_type_p, mips_far_type_p, mips_global_symbol_p,
4510         mips_symbol_binds_local_p, mips_classify_symbol): Likewise.
4511         * config/pa/pa.c (pa_commutative_p): Likewise.
4512         * config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p):
4513         Likewise.
4514         * config/rs6000/rs6000.c (rs6000_invalid_within_doloop,
4515         rs6000_ms_bitfield_layout_p, rs6000_mangle_type,
4516         rs6000_use_blocks_for_constant_p,
4517         rs6000_vector_alignment_reachable, rs6000_is_opaque_type,
4518         invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4519         TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise.
4520         * config/s390/s390.c (s390_mangle_type,
4521         TARGET_ASM_CAN_OUTPUT_MI_THUNK, TARGET_INVALID_WITHIN_DOLOOP):
4522         Likewise.
4523         * config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4524         th_in_small_data_p): Likewise.
4525         * config/sh/sh.c (sh_ms_bitfield_layout_p,
4526         sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4527         Likewise.
4528         * config/sparc/sparc.c (sparc_can_output_mi_thunk,
4529         sparc_mangle_type): Likewise.
4530         * config/spu/spu.c (spu_vector_alignment_reachable): Likewise.
4531         * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise.
4532         * emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq):
4533         Likewise.
4534         * hooks.c (hook_bool_mode_const_rtx_false,
4535         hook_bool_mode_const_rtx_true,
4536         hook_bool_const_tree_hwi_hwi_const_tree_false,
4537         hook_bool_const_tree_hwi_hwi_const_tree_true,
4538         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4539         hook_constcharptr_const_tree_null,
4540         hook_constcharptr_const_rtx_null,
4541         hook_constcharptr_const_tree_const_tree_null,
4542         hook_constcharptr_int_const_tree_null,
4543         hook_constcharptr_int_const_tree_const_tree_null): New.
4544         (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4545         hook_bool_tree_hwi_hwi_tree_false,
4546         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4547         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4548         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4549         hook_constcharptr_int_tree_null,
4550         hook_constcharptr_int_tree_tree_null): Delete.
4551         (default_can_output_mi_thunk_no_vcall): Constify.
4552         * hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4553         hook_bool_tree_hwi_hwi_tree_false,
4554         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4555         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4556         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4557         hook_constcharptr_int_tree_null,
4558         hook_constcharptr_int_tree_tree_null): Delete.
4559         (hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
4560         hook_bool_const_tree_hwi_hwi_const_tree_false,
4561         hook_bool_const_tree_hwi_hwi_const_tree_true,
4562         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4563         hook_constcharptr_const_tree_null,
4564         hook_constcharptr_const_rtx_null,
4565         hook_constcharptr_const_tree_const_tree_null,
4566         hook_constcharptr_int_const_tree_null,
4567         hook_constcharptr_int_const_tree_const_tree_null): New.
4568         (default_can_output_mi_thunk_no_vcall): Constify.
4569         * integrate.c (function_attribute_inlinable_p): Likewise.
4570         * integrate.h (function_attribute_inlinable_p): Likewise.
4571         * jump.c (rtx_renumbered_equal_p): Likewise.
4572         * output.h (decl_readonly_section, categorize_decl_for_section,
4573         default_use_anchors_for_symbol_p, default_binds_local_p,
4574         default_binds_local_p_1): Likewise.
4575         * rtl.h (rtx_renumbered_equal_p, decl_default_tls_model):
4576         Likewise.
4577         * target-def.h (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4578         TARGET_VALID_DLLIMPORT_ATTRIBUTE_P, TARGET_VECTOR_OPAQUE_P,
4579         TARGET_COMMUTATIVE_P, TARGET_USE_BLOCKS_FOR_CONSTANT_P,
4580         TARGET_COMP_TYPE_ATTRIBUTES,
4581         TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,
4582         TARGET_MS_BITFIELD_LAYOUT_P, TARGET_MANGLE_TYPE,
4583         TARGET_IN_SMALL_DATA_P, TARGET_INVALID_CONVERSION,
4584         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
4585         TARGET_DWARF_CALLING_CONVENTION): Likewise.
4586         * target.h (can_output_mi_thunk, needs_block_p,
4587         first_cycle_multipass_dfa_lookahead_guard_spec,
4588         vector_alignment_reachable, comp_type_attributes,
4589         function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type,
4590         commutative_p, use_blocks_for_constant_p,
4591         use_anchors_for_symbol_p, in_small_data_p, binds_local_p,
4592         vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook,
4593         invalid_within_doloop, valid_dllimport_attribute_p,
4594         split_complex_arg, invalid_arg_for_unprototyped_fn,
4595         invalid_conversion, invalid_unary_op, invalid_binary_op):
4596         Likewise.
4597         * targhooks.c (default_invalid_within_doloop,
4598         hook_invalid_arg_for_unprototyped_fn,
4599         default_builtin_vector_alignment_reachable): Likewise.
4600         (hook_bool_rtx_commutative_p): Delete.
4601         (hook_bool_const_rtx_commutative_p): New.
4602         * targhooks.h (default_invalid_within_doloop,
4603         default_builtin_vector_alignment_reachable,
4604         hook_invalid_arg_for_unprototyped_fn): Constify.
4605         (hook_bool_rtx_commutative_p): Delete.
4606         (hook_bool_const_rtx_commutative_p): New.
4607         * varasm.c (bss_initializer_p, decl_default_tls_model,
4608         categorize_decl_for_section, decl_readonly_section,
4609         default_use_anchors_for_symbol_p, default_binds_local_p,
4610         default_binds_local_p_1): Constify.
4611
4612 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4613
4614         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4615         __NO_BUILTIN if -fno-builtin.
4616
4617 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4618
4619         * config/bfin/bfin.c (print_operand): Report error instead of
4620         ICE for wrong operand.
4621
4622 2007-08-24  Michael Matz  <matz@suse.de>
4623
4624         * Makefile.in (GTFILES_H): Use $(patsubst) instead of $(subst).
4625
4626 2007-08-24  Richard Guenther  <rguenther@suse.de>
4627
4628         PR middle-end/33166
4629         * tree-ssa.c (useless_type_conversion_p): Split into a
4630         recursive and a non-recursive part.
4631         (useless_type_conversion_p_1): New function.
4632         * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result
4633         from maybe_fold_offset_to_reference is trivially convertible
4634         to the desired type before doing the simplification.
4635
4636 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4637
4638         * expr.c (store_expr): Optimize initialization of an array
4639         with STRING_CST.
4640         * expr.h (builtin_strncpy_read_str): New prototype.
4641         * builtins.c (builtin_strncpy_read_str): Remove prototype.
4642         No longer static.
4643
4644 2007-08-24  Uros Bizjak  <ubizjak@gmail.com>
4645
4646         PR middle-end/33157
4647         * ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
4648         field when initializing if_info structure.
4649
4650 2007-08-24  Richard Guenther  <rguenther@suse.de>
4651
4652         * Makefile.in (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H)
4653         dependencies.
4654         * c-objc-common.c (c_cannot_inline_tree_fn): Remove.
4655         * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise.
4656         * tree-inline.c (inlinable_function_p): Fold in common parts of
4657         the cannot_inline_tree_fn langhook.
4658         * langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove.
4659         (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): Likewise.
4660         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
4661         cannot_inline_tree_fn langhook.
4662         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4663         cannot_inline_tree_fn member.
4664
4665 2007-08-24  Richard Guenther  <rguenther@suse.de>
4666
4667         * expr.c (get_inner_reference): Do computation of bitoffset
4668         from offset in a way we can detect overflow reliably.
4669
4670 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4671
4672         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc.
4673
4674 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4675
4676         * config/bfin/bfin.opt (mfast-fp): Add.
4677         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let
4678         libbffastfp override libgcc if -mfast-fp.
4679         * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
4680         * doc/invoke.texi (Option Summary): Mention -mfast-fp.
4681         (Blackfin Options): Document -mfast-fp.
4682
4683 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4684
4685         PR tree-optimization/32573
4686         PR middle-end/32946
4687         * tree-data-ref.c (initialize_data_dependence_relation): Clear
4688         DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning.
4689         (finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
4690         (build_classic_dist_vector): Return false rather than true if
4691         DDR_ARE_DEPENDENT is non-NULL at the beginning.  Return false
4692         if either subscript_dependence_tester_1 or build_classic_dist_vector_1
4693         returned false.  Don't call save_dist_v before calling
4694         build_classic_dist_vector_1.
4695         (free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
4696         with NULL DDR_ARE_DEPENDENT.  Also free DDR_DIST_VECTS and/or
4697         DDR_DIR_VECTS vectors.
4698
4699 2007-08-23  Brian Sidebotham  <brian.sidebotham@gmail.com>
4700
4701         * configure.ac (leb128): Modify sed statement to work with any
4702         binutils version string.
4703         * configure: Regenerate
4704
4705 2007-08-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4706
4707         * config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
4708         Wrap in RTX_CODE macro guard.
4709         * config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
4710         arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
4711         arm_mark_dllimport, arm_pe_encode_section_info,
4712         arm_pe_unique_section): Use ISO-C function declarations.
4713         * config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
4714         c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
4715         c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
4716         Likewise.
4717         * config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
4718         * config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
4719         defining.
4720         * config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
4721         warnings.
4722         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
4723         * config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
4724         (register_move_cost): Use ISO-C function declarations.
4725         * config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
4726         * config/score/score-protos.h (score_declare_object): Add
4727         ATTRIBUTE_PRINTF_4.
4728         * config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
4729         warnings.
4730         * final.c (profile_function): Avoid empty if-bodies.
4731
4732
4733         * calls.c (must_pass_in_stack_var_size,
4734         must_pass_in_stack_var_size_or_pad): Constify.
4735         * config/alpha/alpha-protos.h (function_value): Likewise.
4736         * config/alpha/alpha.c (alpha_return_in_memory,
4737         alpha_pass_by_reference, function_value,
4738         unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
4739         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4740         Likewise.
4741         * config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
4742         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4743         TARGET_PROMOTE_PROTOTYPES): Likewise.
4744         * config/arm/arm-protos.h (arm_return_in_memory,
4745         arm_pad_arg_upward, arm_function_value): Likewise.
4746         * config/arm/arm.c (arm_pass_by_reference,
4747         arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
4748         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4749         arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
4750         Likewise.
4751         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4752         * config/avr/avr-protos.h (avr_function_value): Likewise.
4753         * config/avr/avr.c (avr_return_in_memory,
4754         gas_output_limited_string, gas_output_ascii, avr_function_value,
4755         avr_return_in_memory): Likewise.
4756         * config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
4757         * config/bfin/bfin.c (bfin_pass_by_reference,
4758         bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
4759         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN):
4760         Likewise.
4761         * config/cris/cris.c (cris_pass_by_reference,
4762         TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
4763         * config/crx/crx.c (crx_return_in_memory): Likewise.
4764         * config/darwin.c (function_base, machopic_function_base_name):
4765         Likewise.
4766         * config/fr30/fr30.c (fr30_must_pass_in_stack,
4767         TARGET_PROMOTE_PROTOTYPES): Likewise.
4768         * config/frv/frv.c (frv_must_pass_in_stack): Likewise.
4769         * config/h8300/h8300.c (h8300_return_in_memory): Likewise.
4770         * config/i386/i386-protos.h (ix86_return_in_memory,
4771         ix86_sol10_return_in_memory): Likewise.
4772         * config/i386/i386.c (ix86_function_value,
4773         ix86_function_sseregparm, ix86_must_pass_in_stack,
4774         type_natural_mode, classify_argument, examine_argument,
4775         construct_container, ix86_pass_by_reference, function_value_32,
4776         function_value_64, ix86_function_value_1, return_in_memory_32,
4777         return_in_memory_64, return_in_memory_ms_64,
4778         ix86_return_in_memory, ix86_sol10_return_in_memory,
4779         TARGET_PROMOTE_PROTOTYPES): Likewise.
4780         * config/ia64/ia64-protos.h (ia64_function_value,
4781         ia64_hpux_function_arg_padding): Likewise.
4782         * config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
4783         ia64_function_value, bundle_state_hash, bundle_state_eq_p,
4784         ia64_hpux_function_arg_padding): Likewise.
4785         * config/iq2000/iq2000-protos.h (function_arg,
4786         iq2000_function_value): Likewise.
4787         * config/iq2000/iq2000.c (iq2000_return_in_memory,
4788         iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
4789         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4790         function_arg, iq2000_function_value): Likewise.
4791         * config/m32c/m32c-protos.h (m32c_function_value,
4792         m32c_promote_function_return): Likewise.
4793         * config/m32c/m32c.c (m32c_pass_by_reference,
4794         m32c_promote_prototypes, m32c_promote_function_return,
4795         m32c_function_value): Likewise.
4796         * config/m32r/m32r.c (m32r_return_in_memory,
4797         m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4798         m32r_in_small_data_p): Likewise.
4799         * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
4800         Likewise.
4801         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
4802         m68hc11_function_arg_padding): Likewise.
4803         * config/m68k/m68k-protos.h (m68k_function_value): Likewise.
4804         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
4805         m68k_function_value): Likewise.
4806         * config/mcore/mcore-protos.h (mcore_num_arg_regs,
4807         mcore_function_value): Likewise.
4808         * config/mcore/mcore.c (handle_structs_in_regs,
4809         mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4810         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4811         mcore_num_arg_regs, mcore_function_value): Likewise.
4812         * config/mips/mips-protos.h (mips_pad_arg_upward,
4813         mips_function_value): Likewise.
4814         * config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
4815         mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
4816         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4817         TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
4818         mips_function_value): Likewise.
4819         * config/mmix/mmix-protos.h (mmix_function_outgoing_value):
4820         Likewise.
4821         * config/mmix/mmix.c (mmix_pass_by_reference,
4822         TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
4823         mmix_encode_section_info): Likewise.
4824         * config/mn10300/mn10300-protos.h (mn10300_function_value):
4825         Likewise.
4826         * config/mn10300/mn10300.c (mn10300_return_in_memory,
4827         mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4828         mn10300_function_value): Likewise.
4829         * config/mt/mt-protos.h (mt_function_value): Likewise.
4830         * config/mt/mt.c (mt_pass_by_reference, mt_function_value,
4831         mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
4832         * config/pa/pa-protos.h (function_arg_padding, function_value,
4833         pa_return_in_memory): Likewise.
4834         * config/pa/pa.c (pa_pass_by_reference,
4835         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4836         function_arg_padding, function_value, pa_return_in_memory):
4837         Likewise.
4838         * config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
4839         * config/rs6000/rs6000-protos.h (rs6000_function_value,
4840         function_arg_padding): Likewise.
4841         * config/rs6000/rs6000.c (rs6000_return_in_memory,
4842         rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
4843         rs6000_pass_by_reference, rs6000_must_pass_in_stack,
4844         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4845         function_arg_padding, altivec_expand_dst_builtin,
4846         altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
4847         altivec_init_builtins, rs6000_common_init_builtins,
4848         rs6000_function_value): Likewise.
4849         * s390/s390-protos.h (s390_function_value): Likewise.
4850         * config/s390/s390.c (s390_function_arg_size,
4851         s390_pass_by_reference, s390_return_in_memory,
4852         s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4853         TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
4854         * config/score/score-protos.h (score_function_value): Likewise.
4855         * config/score/score.c (score_arg_partial_bytes,
4856         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4857         TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
4858         score_pass_by_reference, score_add_offset, score_function_value):
4859         Likewise.
4860         * config/sh/sh-protos.h (sh_attr_renesas_p,
4861         sh_promote_prototypes): Likewise.
4862         * config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
4863         sh_callee_copies, sh_promote_prototypes, shcompact_byref,
4864         sh_attr_renesas_p): Likewise.
4865         * config/sparc/sparc-protos.h (function_value,
4866         function_arg_padding): Likewise.
4867         * config/sparc/sparc.c (sparc_promote_prototypes,
4868         sparc_return_in_memory, sparc_pass_by_reference,
4869         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4870         function_arg_record_value_2, function_arg_record_value_1,
4871         function_arg_record_value, function_arg_record_value,
4872         function_arg_padding, function_value): Likewise.
4873         * config/spu/spu-protos.h (spu_function_value): Likewise.
4874         * config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
4875         spu_function_value): Likewise.
4876         * config/stormy16/stormy16-protos.h (xstormy16_function_value):
4877         Likewise.
4878         * config/stormy16/stormy16.c (xstormy16_return_in_memory,
4879         xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4880         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4881         Likewise.
4882         * config/v850/v850.c (v850_return_in_memory,
4883         v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
4884         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
4885         * config/xtensa/xtensa.c (xtensa_return_in_msb,
4886         xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4887         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4888         Likewise.
4889         * explow.c (promote_mode, hard_function_value): Likewise.
4890         * expr.h (hard_function_value, promote_mode): Likewise.
4891         * function.c (aggregate_value_p): Likewise.
4892         * hooks.c (hook_bool_const_tree_true): New.
4893         * hooks.h (hook_bool_const_tree_true): New.
4894         * sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
4895         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
4896         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4897         TARGET_RETURN_IN_MSB): Likewise.
4898         * target.h (promote_function_args, promote_function_return,
4899         promote_prototypes, return_in_memory, return_in_msb,
4900         pass_by_reference, must_pass_in_stack, callee_copies,
4901         function_value): Likewise.
4902         * targhooks.c (default_return_in_memory,
4903         hook_pass_by_reference_must_pass_in_stack,
4904         hook_callee_copies_named,
4905         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
4906         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
4907         default_function_value): Likewise.
4908         * targhooks.h (default_return_in_memory,
4909         hook_pass_by_reference_must_pass_in_stack,
4910         hook_callee_copies_named,
4911         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
4912         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
4913         default_function_value): Likewise.
4914         * tree-ssa-structalias.c (const_equiv_class_label_t): New.
4915         (equiv_class_label_hash, equiv_class_label_eq): Constify.
4916         * tree-vectorizer.c (bb_in_loop_p): Likewise.
4917         * tree.c (needs_to_live_in_memory): Likewise.
4918         * tree.h (struct tree_type, needs_to_live_in_memory,
4919         aggregate_value_p, must_pass_in_stack_var_size,
4920         must_pass_in_stack_var_size_or_pad): Likewise.
4921         * vmsdbgout.c (write_debug_addr, write_debug_delta4,
4922         write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
4923         lookup_filename): Likewise.
4924
4925 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
4926
4927         PR target/17390
4928         * config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to
4929         fake fcomi i387 instruction for !TARGET_CMOVE.
4930         (ix86_expand_branch): Expand natural sequence with one jump for
4931         all targets, not only TARGET_CMOVE.
4932         * config/i386/i386.md (*cmpfp_0_cc): New define_insn_and_split
4933         pattern to implement fake fcomi sequence.  Split instruction after
4934         reload to correct compare sequences.
4935         (*cmpfp_xf_cc): Ditto.
4936         (*cmpfp_<mode>_cc): Ditto.
4937         (*cmpfp_u_cc): Ditto.
4938         (*cmpfp_<mode>_cc): Ditto.
4939
4940 2007-08-23  Richard Guenther  <rguenther@suse.de>
4941
4942         * tree-pretty-print.c (dump_generic_node): Annotate
4943         GIMPLE_MODIFY_STMTs with volatile ops with "{v}".
4944
4945 2007-08-23  Richard Guenther  <rguenther@suse.de>
4946
4947         * builtins.c (expand_builtin_mathfn): Wrap argument in
4948         save_expr directly instead of re-building the call.
4949         (expand_builtin_mathfn_2): Likewise.
4950         (expand_builtin_mathfn_3): Likewise.
4951         (expand_builtin_interclass_mathfn): Likewise.
4952         (expand_builtin_int_roundingfn): Set arg.
4953         (expand_builtin_int_roundingfn_2): Likewise.
4954
4955 2007-08-23  Paolo Bonzini  <bonzini@gnu.org>
4956
4957         * config/i386/sse.md (*sse_and<mode>3, *sse_ior<mode>3,
4958         *sse_nand<mode>3, *sse_xor<mode>3): New.
4959
4960 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
4961
4962         * config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code.
4963         * config/i386/i386.c (print_operand): Handle ';' code.  Output
4964         semicolon for TARGET_MACHO.
4965         * config/i386/sync.md (*sync_compare_and_swap<mode>): Use '%;' to
4966         emit semicolon after 'lock' prefix.
4967         (sync_double_compare_and_swap<mode>): Ditto.
4968         (*sync_double_compare_and_swapdi_pic): Ditto.
4969         (*sync_compare_and_swap_cc<mode>): Ditto.
4970         (sync_double_compare_and_swap_cc<mode>): Ditto.
4971         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
4972         (sync_old_add<mode>): Ditto.
4973         (sync_add<mode>): Ditto.
4974         (sync_sub<mode>): Ditto.
4975         (sync_ior<mode>): Ditto.
4976         (sync_and<mode>): Ditto.
4977         (sync_xor<mode>): Ditto.
4978
4979 2007-08-22  Chao-ying Fu  <fu@mips.com>
4980
4981         * rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes
4982         in DEF_RTL_EXPR.
4983         (copy_rtx): Handle CONST_FIXED.
4984         (rtx_equal_p): Likewise.
4985         * rtl.h (fixed_value.h): New include.
4986         (rtx_def): Add a new field of fixed_value to u.
4987         (XCNMPFV): Define for accessing fixed_value.
4988         (CONST_FIXED_VALUE, CONST_FIXED_VALUE_HIGH, CONST_FIXED_VALUE_LOW):
4989         Define.
4990         * rtl.def (CONST_FIXED): New constant.
4991         (SS_MULT, US_MULT, SS_DIV, US_DIV, FRACT_CONVERT,
4992         UNSIGNED_FRACT_CONVERT, SAT_FRACT, UNSIGNED_SAT_FRACT, US_NEG,
4993         US_ASHIFT): New codes.
4994         * doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult,
4995         us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract,
4996         unsigned_fract_convert, unsigned_sat_fract): Document them.
4997         * varasm.c (assemble_integer): Extend to support fixed-point constants
4998         by using different machine classes.
4999         (decode_addr_const): Handle FIXED_CST.
5000         (const_hash_1): Likewise.
5001         (compare_constant): Likewise.
5002         (copy_constant): Likewise.
5003         (const_rtx_hash_1): Handle CONST_FIXED.
5004         (output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
5005         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
5006         MODE_VECTOR_UACCUM.
5007         (initializer_constant_valid_p): Handle FIXED_CST.
5008         (output_constant): Support FIXED_POINT_TYPE.
5009         * gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude.
5010         * cse.c (hash_rtx): Support CONST_FIXED.
5011         (exp_equiv_p): Likewise.
5012         (cannon_reg): Likewise.
5013         (fold_rtx): Likewise.
5014         (equiv_constant): Likewise.
5015         (cse_process_notes_1): Likewise.
5016         (count_reg_usage): Likewise.
5017         * cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED.
5018         (rtx_equal_for_cselib_p): Handle CONST_FIXED.
5019         (wrap_constant): Check CONST_FIXED.
5020         (cselib_hash_rtx): Support CONST_FIXED.
5021         (cselib_subst_to_values): Likewise.
5022         * df-scan.c (df_uses_record): Likewise.
5023         * gcse.c (want_to_gcse_p): Likewise.
5024         (oprs_unchanged_p): Likewise.
5025         (oprs_not_set_p): Likewise.
5026         (compute_transp): Likewise.
5027         (extract_mentioned_regs_helper): Likewise.
5028         * genemit.c (gen_exp): Likewise.
5029         * local-alloc.c (equiv_init_varies_p): Likewise.
5030         (contains_replace_regs): Likewise.
5031         (memref_referenced_p): Likewise.
5032         * loop-invariant.c (check_maybe_invariant): Likewise.
5033         (hash_invariant_expr_1): Likewise.
5034         (invariant_expr_equal_p): Likewise.
5035         * postreload-gcse.c (oprs_unchanged_p): Likewise.
5036         * regclass.c (reg_scan_mark_refs): Likewise.
5037         * regrename.c (scan_rtx): Likewise.
5038         * resource.c (mark_referenced_resources): Likewise.
5039         (mark_set_resources): Likewise.
5040         * rtlanal.c (rtx_unstable_p): Likewise.
5041         (rtx_varies_p): Likewise.
5042         (count_occurrences): Likewise.
5043         (reg_mentioned_p): Likewise.
5044         (modified_between_p): Likewise.
5045         (modified_in_p): Likewise.
5046         (volatile_insn_p): Likewise.
5047         (volatile_refs_p): Likewise.
5048         (side_effects_p): Likewise.
5049         (may_trap_p_1): Likewise.
5050         (inequality_comparisons_p): Likewise.
5051         (computed_jump_p_1): Likewise.
5052         (commutative_operand_precedence): Likewise.
5053         * sched-deps.c (sched_analyze_2): Likewise.
5054         * sched-vis.c (print_value): Likewise.
5055         * reload.c (operands_match_p): Likewise.
5056         (subst_reg_equivs): Likewise.
5057         * reload1.c (eliminate_regs_1): Likewise.
5058         (elimination_effects): Likewise.
5059         (scan_paradoxical_subregs): Likewise.
5060         * alias.c (rtx_equal_for_memref_p): Likewise.
5061         * Makefile.in (RTL_BASE_H): Add fixed-value.h.
5062         * emit-rtl.c (const_fixed_htab): New hash table.
5063         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed):
5064         Declare.
5065         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed,
5066         const_fixed_from_fixed_value): New functions.
5067         (verify_rtx_sharing): Handle CONST_FIXED.
5068         (copy_rtx_if_shared_1): Likewise.
5069         (reset_used_flags): Likewise.
5070         (set_used_flags): Likewise.
5071         (copy_insn_1): Likewise.
5072         (init_emit_once): Create const_fixed_htab.
5073         Store fixed-point scalar and vector zero and one to const_tiny_rtx.
5074
5075 2007-08-22  Zdenek Dvorak  <ook@ucw.cz>
5076
5077         PR tree-optimization/32949
5078         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p
5079         before failing for ivs with non-constant step.
5080
5081 2007-08-22  Hans-Peter Nilsson  <hp@axis.com>
5082
5083         * doc/md.texi (Iterators): Renamed from Macros.  All contents
5084         changed to reflect rename of respectively define_code_macro and
5085         define_mode_macro to define_code_iterator and define_mode_iterator.
5086         (Mode Iterators, Code Iterators): Similar.
5087         * read-rtl.c (struct iterator_group, struct iterator_traverse_data)
5088         (uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p)
5089         (apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse)
5090         (initialize_iterators, find_iterator, check_code_iterator)
5091         (map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping)
5092         (read_mapping, read_rtx_1): Similar.
5093         * config/alpha/sync.md, config/alpha/alpha.md, config/frv/frv.md,
5094         config/s390/s390.md, config/m32c/blkmov.md, config/m32c/m32c.md,
5095         config/spu/spu.md, config/sparc/sparc.md, config/sparc/sync.md,
5096         config/i386/i386.md, config/i386/mmx.md, config/i386/sse.md,
5097         config/i386/sync.md, config/crx/crx.md, config/xtensa/xtensa.md,
5098         config/cris/cris.c, config/cris/cris.md, config/ia64/sync.md,
5099         config/ia64/div.md, config/ia64/vect.md, config/ia64/ia64.md,
5100         config/m68k/m68k.md, config/rs6000/spe.md, config/rs6000/altivec.md,
5101         config/rs6000/sync.md, config/rs6000/rs6000.md,
5102         config/arm/vec-common.md, config/arm/neon.md, config/arm/iwmmxt.md,
5103         config/arm/arm.md, config/mips/mips-dsp.md, config/mips/mips.md,
5104         config/vax/vax.md, config/bfin/bfin.md: Similar.
5105
5106 2007-08-22  David Daney  <ddaney@avtrex.com>
5107
5108         * doc/install.texi (Testing): Mention testing on a simulator.
5109
5110 2007-08-22  Janis Johnson  <janis187@us.ibm.com>
5111
5112         * config/dfp-bit.c (DFP_TO_DFP): Check for overflow.
5113
5114         * doc/libgcc.texi (Decimal float library routines): Fix formatting
5115         and rearrange floating point conversion functions into different
5116         categories.
5117
5118 2007-08-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5119
5120         * target.h (struct gcc_target.sched: dfa_pre_advance_cycle,
5121         dfa_post_advance_cycle): New scheduler hooks.
5122         * target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
5123         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
5124         new hooks.
5125         (TARGET_SCHED): Use them.
5126         * doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
5127         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks.
5128         * haifa-sched.c (advance_one_cycle): Invoke new hooks.
5129
5130         * genautomata.c (insn_has_dfa_reservation_p): New DFA interface
5131         function to facilitate debugging.
5132         (INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro.
5133         (output_insn_has_dfa_reservation_p): New static function to output
5134         insn_has_dfa_reservation_p ().
5135         (write_automata): Use it.
5136         * genattr.c (main): Output declaration for
5137         insn_has_dfa_reservation_p ().
5138
5139 2007-08-22  Christian Bruel  <christian.bruel@st.com>
5140             Richard Guenther <rguenther@suse.de>
5141
5142         * fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only.
5143         * simplify_rtx (simplify_binary_operation_1): Likewise.
5144
5145 2007-08-22  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5146
5147         PR rtl-optimization/32557
5148         * df-problems.c (df_note_bb_compute): Use mws->start_regno instead
5149         of REGNO (mws->mw_reg).
5150
5151 2007-08-22  Richard Guenther  <rguenther@suse.de>
5152
5153         PR middle-end/33007
5154         * builtins.c (expand_builtin_int_roundingfn): Replace call
5155         argument wrapped with SAVE_EXPR directly.
5156         (expand_builtin_int_roundingfn_2): Likewise.
5157
5158 2007-08-22  Richard Guenther  <rguenther@suse.de>
5159
5160         * tree-inline.c (inlinable_function_p): Restore disregarding
5161         inline limits for GNU extern inline functions.
5162
5163 2007-08-22  Richard Guenther  <rguenther@suse.de>
5164
5165         PR middle-end/32563
5166         * tree.c (host_integerp): Treat sizetype as signed as it is
5167         sign-extended.
5168
5169 2007-08-21  Ian Lance Taylor  <iant@google.com>
5170
5171         PR tree-optimization/33134
5172         * tree-vrp.c (adjust_range_with_scev): Call
5173         set_value_range_to_value.
5174
5175 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
5176
5177         * value-prof.h (gimple_remove_histogram_value): Remove duplicate
5178         prototype.
5179
5180 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
5181
5182         * tree-flow-inline.h (next_imm_use_stmt): Remove unecessary
5183         whitespace.
5184
5185 2007-08-21  Nathan Froyd  <froydnj@codesourcery.com>
5186
5187         * config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE
5188         cases to set eight bytes at a time.
5189         (expand_block_move): Likewise.
5190
5191 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5192
5193         PR debug/32610
5194         * dwarf2out.c (gen_decl_die): Don't call
5195         gen_tagged_type_instantiation_die if decl doesn't have tagged type.
5196
5197 2007-08-21  Paul Brook  <paul@codesourcery.com>
5198             Nathan Sidwell  <nathan@codesourcery.com>
5199             Mark Mitchell  <mark@codesourcery.com>
5200             Joseph Myers  <joseph@codesourcery.com>
5201
5202         * configure.ac: Add --with-pkgversion and --with-bugurl.
5203         * configure: Regenerate.
5204         * doc/install.texi: Document them.
5205         * version.c (version_string): Remove VERSUFFIX.
5206         (VERSUFFIX): Remove.
5207         (pkgversion_string): New.
5208         (bug_report_url): Do not hard-code initializer.
5209         * version.h (pkgversion_string): Declare.
5210         * Makefile.in (PKGVERSION_s, BUGURL_s, PKGVERSION, BUGURL_TEXI):
5211         Define.
5212         (version.o): Define PKGVERSION and BUGURL.
5213         (gcc-vers.texi): Define VERSION_PACKAGE and BUGURL.
5214         (%.pod): Define BUGURL.
5215         * gcc.c (process_command, main): Use pkgversion_string.
5216         * toplev.c (compile_file, print_version): Likewise.
5217         * protoize.c (main): Likewise.
5218         * gcov.c (print_version): Likewise.  Update copyright date.
5219         * gcov-dump.c (print_version): Likewise.  Update copyright date.
5220         * mips-tdump.c (main): Likewise.  Update copyright date.
5221         * mips-tfile.c (main): Likewise.  Update copyright date.
5222         * doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle.
5223         * doc/bugreport.texi: Use BUGURL for bug-reporting instructions;
5224         shorten description.
5225         * doc/gcc.texi: Include VERSION_PACKAGE in version description.
5226         * doc/gccint.texi: Likewise.
5227         * doc/invoke.texi: Use BUGURL for bug-reporting instructions.
5228         Update copyright date.
5229
5230 2007-08-21  Uros Bizjak  <ubizjak@gmail.com>
5231
5232         * config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG.
5233         (ix86_expand_strlensi_unroll_1): Ditto.
5234         (ix86_expand_branch): Use FLAGS_REG and FPSR_REG.
5235         (ix86_expand_carry_flag_compare): Update comment.
5236
5237 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5238
5239         PR middle-end/32912
5240         * fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
5241         (fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.
5242
5243 2007-08-21  Richard Guenther  <rguenther@suse.de>
5244
5245         * fold-const.c (fold_binary): Revert removing of index +p PTR folding.
5246
5247 2007-08-21  Richard Guenther  <rguenther@suse.de>
5248
5249         PR middle-end/33122
5250         * fold-const.c (fold_binary): Remove index +p PTR folding.
5251         Fix types of POINTER_PLUS_EXPR generated by folding of
5252         (PTR +p B) +p A.
5253
5254 2007-08-20  Chao-ying Fu  <fu@mips.com>
5255
5256         * c-common.h (enum rid): Add new enumeration values of RID_SAT,
5257         RID_FRACT, and RID_ACCUM.  RID_SAT needs to be inserted before
5258         RID_ONEWAY, so that it can be checked in declspecs_add_type.
5259         (c_common_fixed_point_type_for_size): Declare.
5260         * c-parser.c (reswords): Add _Fract, _Accum, and _Sat.
5261         (c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT.
5262         (c_token_starts_declspecs): Likewise.
5263         (c_parser_declspecs): Likewise.
5264         (c_parser_attributes): Likewise.
5265         * c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum.
5266         (c_declspecs): Add saturating_p.
5267         * c-decl.c (build_null_declspecs): Initialize saturating_p.
5268         (declspecs_add_type): Avoid using complex with _Fract, _Accum, or
5269         _Sat.  Handle RID_SAT.
5270         Avoid using void, bool, char, int, float, double, _Decimal32,
5271         _Decimal64, _Decimal128, and complex with _Sat.
5272         Handle RID_FRACT and RID_ACCUM.
5273         Make sure _Sat is used with _Fract or _Accum.
5274         (finish_declspecs): Handle cts_fract and cts_accum.
5275         * c-common.c (fixed-value.h): New include.
5276         (constant_expression_warning): Handle FIXED_CST.
5277         (overflow_warning): Likewise.
5278         (warnings_for_convert_and_check): Likewise.
5279         (c_common_fixed_point_type_for_size): New.
5280         (c_common_type_for_mode): Handle fixed-point modes to
5281         return various saturating/non-saturating, signed/unsigned types.
5282         (c_common_signed_or_unsigned_type): Support fixed-point types.
5283         (shorten_compare): Check fixed-point zero.
5284         Handle FIXED_POINT_TYPE.
5285         (c_common_truthvalue_conversion): Handle FIXED_CST.
5286         Handle FIXED_POINT_TYPE.
5287         (c_common_nodes_and_builtins): Record builtin types for fixed-point
5288         types.
5289         (handle_mode_attribute): Handle fixed-point modes.  Need to check
5290         if the signness of base type and fixed-point modes are consistent.
5291         (handle_vector_size_attribute): Handle fixed-point modes.
5292         (same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE.
5293         (warn_for_div_by_zero): Check fixed-point zero.
5294         * c-typeck.c (c_common_type): Check FIXED_POINT_TYPE.  Build
5295         a common fixed-point type based on fbit, ibit, sign, and saturation.
5296         (build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR,
5297         NEGATE_EXPR, TRUTH_NOT_EXPR, PREINCREMENT_EXPR, POSTINCREMENT_EXPR,
5298         PREDECREMENT_EXPR, and POSTDECREMENT_EXPR.
5299         (convert_for_assignment): Support FIXED_POINT_TYPE.
5300         (digest_init): Handle FIXED_POINT_TYPE.
5301         (build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR,
5302         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5303         TRUTH_XOR_EXPR, RSHIFT_EXPR, LSHIFT_EXPR, EQ_EXPR, NE_EXPR, LE_EXPR,
5304         GE_EXPR, LT_EXPR, GT_EXPR.
5305         * target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New.
5306         (TARGET_INITIALIZER): Add TARGET_FIXED_POINT_SUPPORTED_P.
5307         * target.h (gcc_target): Add fixed_point_supported_p.
5308         * targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT,
5309         MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM.
5310         (default_fixed_point_supported_p): Define.
5311         * targhooks.h (default_fixed_point_supported_p): Declare.
5312         * doc/tm.texi (TARGET_FIXED_POINT_SUPPORTED_P): Add.
5313         * doc/install.texi (Configuration): Add --enable-fixed-point.
5314         * configure.ac (--enable-fixed-point): New to enable fixed-point
5315         arithmetic extension to C.  For mips targets, we enable it by default.
5316         * configure, config.in: Regenerate.
5317
5318 2007-08-20  Pawel Sikora  <pluto@pld-linux.org>
5319
5320         * doc/invoke.texi (-Wnon-virtual-dtor): Update documentation.
5321
5322 2007-08-20  David Edelsohn  <edelsohn@gnu.org>
5323
5324         * dwarf2out.c (text_section_used): Move declaration outside ifdef
5325         DWARF2_DEBUGGING_INFO.
5326         (cold_text_section_used): Same.
5327         (cold_text_section): Same.
5328
5329 2007-08-20  Richard Guenther  <rguenther@suse.de>
5330
5331         * c-typeck.c (convert_for_assignment): Use the type of
5332         the member for the initialization.
5333
5334 2007-08-20  Richard Guenther  <rguenther@suse.de>
5335
5336         * c-objc-common.c (c_disregard_inline_limits): Remove.
5337         * c-objc-common.h (c_disregard_inline_limits): Likewise.
5338         * cgraphunit.c (cgraph_process_new_functions): Call
5339         disregard_inline_limits_p.
5340         (cgraph_preserve_function_body_p): Likewise.
5341         * ipa-inline.c (compute_inline_parameters): Likewise.
5342         * langhooks-def.h (lhd_tree_inlining_disregard_inline_limits):
5343         Remove.
5344         (LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS): Remove.
5345         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5346         disregard_inline_limits langhook.
5347         * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
5348         Remove.
5349         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5350         disregard_inline_limits langhook.
5351         * tree-inline.c (disregard_inline_limits_p): New function.
5352         * tree-inline.h (disregard_inline_limits_p): Declare.
5353
5354 2007-08-20  Richard Guenther  <rguenther@suse.de>
5355
5356         * langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove.
5357         (LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P): Likewise.
5358         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5359         auto_var_in_fn_p langhook.
5360         * langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and
5361         move ...
5362         * tree.c (auto_var_in_fn_p): ... here.
5363         (find_var_from_fn): Call auto_var_in_fn_p directly.
5364         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5365         auto_var_in_fn_p langhook.
5366         * tree-inline.c (remap_decls): Call auto_var_in_fn_p directly.
5367         (copy_body_r): Likewise.
5368         (self_inlining_addr_expr): Likewise.
5369         * tree.h (auto_var_in_fn_p): Declare.
5370
5371 2007-08-20  Richard Guenther  <rguenther@suse.de>
5372
5373         * tree.c (WALK_SUBTREE): Call walk_tree_1.
5374         (walk_type_fields): Take lh parameter.
5375         (walk_tree): Rename to ...
5376         (walk_tree_1): ... this.  Do not call the walk_subtrees
5377         langhook but the now passed callback.  Pass lh on recursion.
5378         (walk_tree_without_duplicates): Rename to ...
5379         (walk_tree_without_duplicates_1): ... this.  Take lh parameter
5380         and call walk_tree_1.
5381         * tree.h (walk_tree_lh): New typedef.
5382         (walk_tree_1): Declare.
5383         (walk_tree_without_duplicates_1): Likewise.
5384         (walk_tree): New define to walk_tree_1 with NULL lh parameter.
5385         (walk_tree_without_duplicates): New define to
5386         walk_tree_without_duplicates_1 with NULL lh parameter.
5387         * langhooks.c (lhd_tree_inlining_walk_subtrees): Remove.
5388         * langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees
5389         langhook.
5390         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove.
5391         (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
5392         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove walk_subtrees
5393         initializer.
5394
5395 2007-08-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5396
5397         PR middle-end/30564
5398         * tree-inline.c (optimize_inline_calls): Move the cgraph checking
5399         code in front of the compacting of basic blocks.
5400         Move the folding of statements inbetween the cgraph checking
5401         and compacting of basic blocks.
5402
5403 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5404            Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5405
5406         PR target/32522
5407         * config/alpha/alpha.c (va_list_skip_additions): Check for
5408         POINTER_PLUS_EXPR in addition to PLUS_EXPR.
5409         (alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of
5410         PLUS_EXPR when checking ap.__base.
5411         (alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR
5412         when doing addition on pointer types.  Use size_int instead of
5413         build_int_cst.
5414         (alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of
5415         ptr_type in the second operand.
5416
5417 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5418
5419         PR target/33115
5420         * config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front.
5421
5422 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5423
5424         PR middle-end/32940
5425         * cfgexpand.c  (expand_one_register_var): Mark pointer
5426         DECL_ARTIFICIAL as REG_POINTER also.
5427         * stmt.c (expand_decl): Likewise.
5428
5429 2007-08-19  Daniel Berlin  <dberlin@dberlin.org>
5430
5431         Fix PR 32772
5432         Fix PR 32716
5433         Fix PR 32328
5434         Fix PR 32303
5435
5436         * tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
5437         * tree-ssa-alias.c (init_transitive_clobber_worklist): Add
5438         on_worklist argument and avoid adding things to worklist multiple
5439         times.
5440         (add_to_worklist): Ditto.
5441         (mark_aliases_call_clobbered): Mark entire structure clobbered if
5442         single SFT is clobbered.
5443         (set_initial_properties): Ditto.
5444         (compute_call_clobbered): Update for changes to function
5445         arguments.
5446         (create_overlap_variables_for): Always create SFT for offset 0.
5447         (create_structure_vars): Handle PHI's, since we are in SSA form at
5448         this point.
5449         * tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
5450         * tree-ssa-operands.c (access_can_touch_variable): Don't handle
5451         TARGET_MEM_REF.
5452         (add_vars_for_offset): Figure out aliases from access + points-to.
5453         (add_virtual_operand): Use add_vars-for_offset.
5454         (get_tmr_operands): Update for NMT changes, rewrite to be correct.
5455         (add_call_clobber_ops): Remove makes_clobbering_call set.
5456         (get_expr_operands): Always pass through the INDIRECT_REF
5457         reference.
5458         * tree-ssa-structalias.c (struct constraint_graph): Remove
5459         variables member.
5460         Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
5461         address_taken, pt_used, number_incoming.
5462         (FIRST_ADDR_NODE): Removed.
5463         (merge_graph_nodes): Remove broken code for the moment.
5464         (init_graph): New function.
5465         (build_pred_graph): Remove code to init_graph.
5466         Add location equivalence support.
5467         (struct scc_info): Rename roots to deleted.
5468         (scc_visit): Ditto.
5469         (init_scc_info): Ditto
5470         (init_topo_info): Use graph->size.
5471         (compute_topo_order): Ditto.
5472         (do_da_constraint): Removed.
5473         (do_sd_constraint): Remove calls to find().
5474         set_union_with_increment should always get 0 as last arg here.
5475         (do_complex_constraint): Replace do_da_constraint with assert.
5476         Stop calling find.
5477         (struct equiv_class_label): New.
5478         (pointer_equiv_class_table): Ditto.
5479         (location_equiv_class_table): Ditto.
5480         (equiv_class_label_hash): Ditto.
5481         (equiv_class_label_eq): Ditto
5482         (equiv_class_lookup): Ditto.
5483         (equiv_class_ladd): Ditto.
5484         (pointer_equiv_class): Ditto.
5485         (location_equiv_class): Ditto.
5486         (condense_visit): Rename and rewrite from label_visit to do only
5487         SCC related stuff for HU.
5488         (label_visit): Do HU work for HU.
5489         (perform_var_substitution): Update to do HU and location
5490         equivalence.
5491         (free_var_substitution_info): Update to free HU and location
5492         equivalence structures.  */
5493         (find_equivalent_node): Update for pointer but not location
5494         equivalence.
5495         (unite_pointer_equivalences): New function.
5496         (move_complex_constraints): Rewrite to only do moving.
5497         (rewrite_constraints): Split out of move_complex_constraints.
5498         (solve_graph): Use graph->size.
5499         (process_constraint_1): Add from_call argument, use it.
5500         Split *a = &b into two constraints.
5501         (process_constraint): Use new process_constraint_1.
5502         (get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
5503         (get_constraint_for): Handle non-pointer integers properly.
5504         Remove code that used to handle structures.
5505         (handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
5506         with unknown addends.
5507         (handle_rhs_call): New function.
5508         (find_func_aliases): Use handle_rhs_call.
5509         (set_uids_in_ptset): Add an assert.
5510         (set_used_smts): Fix bug in not considering unified vars.
5511         (compute_tbaa_pruning): Stop initing useless iteration_obstack.
5512         (compute_points_to_sets): Update for other function changes.
5513         (delete_points_to_sets): Ditto.
5514         (ipa_pta_execute): Ditto.
5515         (pass_ipa_pta): We need to update SSA after ipa_pta.
5516
5517 2007-08-19  Jan Hubicka  <jh@suse.cz>
5518
5519         * i386.md: Replace "rim" and "mri" constraints by "g".
5520
5521 2007-08-19  Joseph Myers  <joseph@codesourcery.com>
5522
5523         * dwarf2out.c (text_section_used, cold_text_section_used,
5524         cold_text_section, dwarf2out_note_section_used): New.
5525         (dwarf2out_init): Initialize cold_text_section.
5526         (dwarf2out_switch_text_section, dwarf2out_begin_function): Call
5527         dwarf2out_note_section_used.
5528         (size_of_aranges): Only count entry for text section if it was
5529         used.  Count entry for cold text section if it was used.
5530         (output_aranges): Only output entries for text section and cold
5531         text section if they were used.
5532
5533 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5534
5535         * tree-pretty-print.c (debug_generic_expr): Add a comment about
5536         the function.
5537         (debug_generic_stmt): Likewise.
5538         (debug_tree_chain): Likewise.
5539
5540 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5541
5542         * tree-data-refs.c (split_constant_offset): Expose.
5543         * tree-data-refs.h (split_constant_offset): Add declaration.
5544
5545         * tree-vectorizer.h (dr_alignment_support): Renamed
5546         dr_unaligned_software_pipeline to dr_explicit_realign_optimized.
5547         Added a new value dr_explicit_realign.
5548         (_stmt_vec_info): Added new fields: dr_base_address, dr_init,
5549         dr_offset, dr_step, and dr_aligned_to, along with new access
5550         functions for these fields: STMT_VINFO_DR_BASE_ADDRESS,
5551         STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET, STMT_VINFO_DR_STEP, and
5552         STMT_VINFO_DR_ALIGNED_TO.
5553
5554         * tree-vectorizer.c (vect_supportable_dr_alignment): Add
5555         documentation.
5556         In case of outer-loop vectorization with non-fixed misalignment - use
5557         the dr_explicit_realign scheme instead of the optimized realignment
5558         scheme.
5559         (new_stmt_vec_info): Initialize new fields.
5560
5561         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the
5562         'nested_in_vect_loop' case. Change verbosity level.
5563         (vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case.
5564         Don't fail on zero step in the outer-loop for loads.
5565         (vect_analyze_data_refs): Call split_constant_offset to calculate
5566         base, offset and init relative to the outer-loop.
5567
5568         * tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused
5569         BSI function argument with a new function argument - at_loop.
5570         Simplify the condition that determines STEP. Takes additional argument
5571         INV_P. Support outer-loop vectorization (handle the
5572         nested_in_vect_loop case), including zero step in the outer-loop. Call
5573         vect_create_addr_base_for_vector_ref with additional argument.
5574         (vect_create_addr_base_for_vector_ref): Takes additional argument LOOP.
5575         Updated function documentation. Handle the 'nested_in_vect_loop' case.
5576         Fixed and simplified calculation of step.
5577         (vectorizable_store): Call vect_create_data_ref_ptr with loop instead
5578         of bsi, and with additional argument. Call bump_vector_ptr with
5579         additional argument. Fix typos. Handle the 'nested_in_vect_loop' case.
5580         (vect_setup_realignment): Takes additional arguments INIT_ADDR and
5581         DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case
5582         when the realignment setup needs to take place inside the loop.
5583         Support the dr_explicit_realign scheme. Allow generating the optimized
5584         realignment scheme for outer-loop vectorization. Added documentation.
5585         (vectorizable_load): Support the dr_explicit_realign scheme. Handle
5586         the 'nested_in_vect_loop' case, including loads that are invariant in
5587         the outer-loop and the realignment schemes. Handle the case when the
5588         realignment setup needs to take place inside the loop. Call
5589         vect_setup_realignment with additional arguments.  Call
5590         vect_create_data_ref_ptr with additional argument and with loop instead
5591         of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI.
5592         (vect_gen_niters_for_prolog_loop): Call
5593         vect_create_addr_base_for_vector_ref with additional arguments.
5594         (vect_create_cond_for_align_checks): Likewise.
5595         (bump_vector_ptr): Updated to support the new dr_explicit_realign
5596         scheme: takes additional argument bump; argument ptr_incr is now
5597         optional; updated documentation.
5598         (vect_init_vector): Takes additional argument (bsi). Use it, if
5599         available, to insert the vector initialization.
5600         (get_initial_def_for_induction): Pass additional argument in call to
5601         vect_init_vector.
5602         (vect_get_vec_def_for_operand): Likewise.
5603         (vect_setup_realignment): Likewise.
5604         (vectorizable_load): Likewise.
5605
5606 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5607
5608         * tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info
5609         as argument instead of struct loop.
5610         (nested_in_vect_loop_p): New function.
5611         (vect_relevant): Add enum values vect_used_in_outer_by_reduction and
5612         vect_used_in_outer.
5613         (is_loop_header_bb_p): New. Used to differentiate loop-header phis
5614         from other phis in the loop.
5615         (destroy_loop_vec_info): Add additional argument to declaration.
5616
5617         * tree-vectorizer.c (supportable_widening_operation): Also check if
5618         nested_in_vect_loop_p (don't allow changing the order in this case).
5619         (vect_is_simple_reduction): Takes a loop_vec_info as argument instead
5620         of struct loop. Call nested_in_vect_loop_p and don't require
5621         flag_unsafe_math_optimizations if it returns true.
5622         (new_stmt_vec_info): When setting def_type for phis differentiate
5623         loop-header phis from other phis.
5624         (bb_in_loop_p): New function.
5625         (new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so
5626         just update their loop_vinfo.  Order of BB traversal now matters -
5627         call dfs_enumerate_from with bb_in_loop_p.
5628         (destroy_loop_vec_info): Takes additional argument to control whether
5629         stmt_vinfo of the loop stmts should be destroyed as well.
5630         (vect_is_simple_reduction): Allow the "non-reduction" use of a
5631         reduction stmt to be defines by a non loop-header phi.
5632         (vectorize_loops): Call destroy_loop_vec_info with additional argument.
5633
5634         * tree-vect-transform.c (vectorizable_reduction): Call
5635         nested_in_vect_loop_p. Check for multitypes in the inner-loop.
5636         (vectorizable_call): Likewise.
5637         (vectorizable_conversion): Likewise.
5638         (vectorizable_operation): Likewise.
5639         (vectorizable_type_promotion): Likewise.
5640         (vectorizable_type_demotion): Likewise.
5641         (vectorizable_store): Likewise.
5642         (vectorizable_live_operation): Likewise.
5643         (vectorizable_reduction): Likewise. Also pass loop_info to
5644         vect_is_simple_reduction instead of loop.
5645         (vect_init_vector): Call nested_in_vect_loop_p.
5646         (get_initial_def_for_reduction): Likewise.
5647         (vect_create_epilog_for_reduction): Likewise.
5648         (vect_init_vector): Check which loop to work with, in case there's an
5649         inner-loop.
5650         (get_initial_def_for_inducion): Extend to handle outer-loop
5651         vectorization. Fix indentation.
5652         (vect_get_vec_def_for_operand): Support phis in the case vect_loop_def.
5653         In the case vect_induction_def get the vector def from the induction
5654         phi node, instead of calling get_initial_def_for_inducion.
5655         (get_initial_def_for_reduction): Extend to handle outer-loop
5656         vectorization.
5657         (vect_create_epilog_for_reduction): Extend to handle outer-loop
5658         vectorization.
5659         (vect_transform_loop): Change assert to just skip this case.  Add a
5660         dump printout.
5661         (vect_finish_stmt_generation): Add a couple asserts.
5662
5663         (vect_estimate_min_profitable_iters): Multiply
5664         cost of inner-loop stmts (in outer-loop vectorization) by estimated
5665         inner-loop bound.
5666         (vect_model_reduction_cost): Don't add reduction epilogue cost in case
5667         this is an inner-loop reduction in outer-loop vectorization.
5668
5669         * tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function.
5670         Same code as what used to be vect_analyze_scalar_cycles, only with
5671         additional argument loop, and loop_info passed to
5672         vect_is_simple_reduction instead of loop.
5673         (vect_analyze_scalar_cycles): Code factored out into
5674         vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest.
5675         Updated documentation.
5676         (analyze_operations): Check for inner-loop loop-closed exit-phis during
5677         outer-loop vectorization that are live or not used in the outerloop,
5678         cause this requires special handling.
5679         (vect_enhance_data_refs_alignment): Don't consider versioning for
5680         nested-loops.
5681         (vect_analyze_data_refs): Check that there are no datarefs in the
5682         inner-loop.
5683         (vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer
5684         and vect_used_in_outer_by_reduction cases.
5685         (process_use): Also consider the case of outer-loop stmt defining an
5686         inner-loop stmt and vice versa.
5687         (vect_analyze_loop_1): New function.
5688         (vect_analyze_loop_form): Extend, to allow a restricted form of nested
5689         loops.  Call vect_analyze_loop_1.
5690         (vect_analyze_loop): Skip (inner-)loops within outer-loops that have
5691         been vectorized.  Call destroy_loop_vec_info with additional argument.
5692
5693         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow
5694         in the inner-loop when doing outer-loop vectorization. Add
5695         documentation and printout.
5696         (vect_recog_dot_prod_pattern): Likewise. Also add check for
5697         GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop).
5698
5699 2007-08-18  Andrew Pinski  <pinskia@gmail.com>
5700
5701         * tree-affine.h (print_aff): New prototype.
5702         (debug_aff): Likewise.
5703         * tree-affine.c (print_aff): New function.
5704         (debug_aff): Likewise.
5705
5706 2007-08-18  Paul Brook  <paul@codesourcery.com>
5707             Joseph Myers  <joseph@codesourcery.com>
5708
5709         * common.opt (-fdebug-prefix-map=): New option.
5710         * opts.c: Include debug.h.
5711         (common_handle_option): Handle -fdebug-prefix-map.
5712         * final.c: Include ggc.h.
5713         (struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
5714         remap_debug_filename): New.
5715         * Makefile.in (final.o, opts.o): Update dependencies.
5716         * debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
5717         * configure.ac: Check for assembler --debug-prefix-map support.
5718         * configure, config.in: Regenerate.
5719         * gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
5720         (ASM_DEBUG_SPEC): Include ASM_MAP.
5721         * doc/install.texi (--with-debug-prefix-map): Document.
5722         * doc/invoke.texi (-fdebug-prefix-map): Document.
5723         * dbxout.c (dbxout_init, dbxout_start_source_file,
5724         dbxout_source_file): Call remap_debug_filename.
5725         * dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
5726         dwarf2out_start_source_file, dwarf2out_finish): Call
5727         remap_debug_filename.
5728         (file_table_relative_p): Do not check d->emitted_number.
5729         * toplev.c (output_file_directive): Call remap_debug_filename.
5730         * vmsdbgout.c (write_srccorr): Call remap_debug_filename.
5731         * xcoffout.c (xcoffout_source_file): Call remap_debug_filename.
5732
5733 2007-08-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5734
5735         * loop-invariant.c (find_invariants_to_move): Add missing macro
5736         argument.
5737
5738 2007-08-17  Tom Tromey  <tromey@redhat.com>
5739
5740         * tree.h (struct tree_label_decl): Removed old "java" fields.
5741
5742 2007-08-17  Richard Sandiford  <richard@codesourcery.com>
5743             Nigel Stephens  <nigel@mips.com>
5744
5745         * config/mips/sde.h (DRIVER_SELF_SPECS): Add commas.
5746         Treat -mno-data-in-code and -mcode-xonly as aliases for
5747         -mcode-readable=no and -mcode-readable=pcrel respectively.
5748         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly.
5749         (MULTILIB_OPTIONS): Add -mcode-readable=no multilibs.
5750         (MULTILIB_DIRNAMES): Update accordingly.
5751
5752 2007-08-17  H.J. Lu  <hongjiu.lu@intel.com>
5753
5754         * Makefile.in (version.o): Depend on $(REVISION) only if
5755         REVISION_s is defined.
5756
5757 2007-08-17  Sa Liu  <saliu@de.ibm.com>
5758             Ulrich Weigand  <uweigand@de.ibm.com>
5759
5760         PR middle-end/32970
5761         * tree.c (reconstruct_complex_type): For a pointer to a vector,
5762         use build_qualified_type to retain qualifiers of the base type.
5763
5764 2007-08-17  Chen Liqin  <liqin@sunnorth.com.cn>
5765
5766         * config/score/score.md : Update pattern tablejump.
5767         * config/score/score.c : Update score_initialize_trampoline
5768         function.
5769         * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
5770         (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
5771         * doc/contrib.texi: Add my entry.
5772
5773 2007-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5774
5775         * Makefile.in (REVISION): New.
5776         (REVISION_c): New.
5777         (REVISION_s): New.
5778         (version.o): Also depend on $(REVISION). Add
5779         -DREVISION=$(REVISION_s).
5780
5781         * version.c (version_string): Add REVISION.
5782
5783 2007-08-16  Seongbae Park <seongbae.park@gmail.com>
5784
5785         * tree-eh.c (lower_try_finally_onedest): Reset the locus
5786         of GOTO that's relocated to a different block.
5787
5788 2007-08-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5789
5790         * c-common.c (const_strip_array_types): New.
5791         * c-common.h (lang_missing_noreturn_ok_p): Delete.
5792         (const_strip_array_types): New.
5793         * c-objc-common.c (c_disregard_inline_limits,
5794         c_warn_unused_global_decl): Constify.
5795         * c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl,
5796         c_vla_type_p, c_incomplete_type_error): Likewise.
5797         * c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise.
5798         * hooks.c (hook_bool_const_tree_false): New.
5799         * hooks.h (hook_bool_const_tree_false): Likewise.
5800         * langhooks-def.h (lhd_warn_unused_global_decl,
5801         lhd_incomplete_type_error, lhd_expr_size,
5802         lhd_tree_inlining_disregard_inline_limits,
5803         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5804         LANG_HOOKS_GENERIC_TYPE_P, LANG_HOOKS_TYPE_MAX_SIZE): Constify.
5805         * langhooks.c (lhd_warn_unused_global_decl,
5806         lhd_incomplete_type_error,
5807         lhd_tree_inlining_disregard_inline_limits,
5808         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5809         lhd_expr_size): Likewise.
5810         * langhooks.h (lang_hooks_for_tree_inlining,
5811         lang_hooks_for_tree_dump, lang_hooks_for_types,
5812         lang_hooks_for_decls, lang_hooks): Likewise.
5813         * pointer-set.c (pointer_set_t, pointer_set_create,
5814         pointer_set_contains, insert_aux, pointer_set_insert,
5815         pointer_set_traverse, pointer_map_t, pointer_map_create,
5816         pointer_map_contains, pointer_map_insert, pointer_map_traverse):
5817         Likewise.
5818         * pointer-set.h (pointer_set_contains, pointer_set_insert,
5819         pointer_set_traverse, pointer_map_contains, pointer_map_insert,
5820         pointer_map_traverse): Likewise.
5821         * predict.c (assert_is_empty): Likewise.
5822         * tree-affine.c (free_name_expansion): Likewise.
5823         * tree-cfg.c (edge_to_cases_cleanup): Likewise.
5824         * tree.c (size_in_bytes, max_int_size_in_bytes): Likewise.
5825         * tree.h (size_in_bytes, max_int_size_in_bytes): Likewise.
5826
5827 2007-08-16  Victor Kaplansky <victork@il.ibm.com>
5828
5829         * tree-vectorizer.c (new_loop_vec_info): Initialize new
5830         field.
5831         (destroy_loop_vec_info): Add call to VEC_free.
5832         * tree-vectorizer.h (may_alias_ddrs): Define.
5833         (LOOP_VINFO_MAY_ALIAS_DDRS): Define.
5834         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5835         Change reporting to dump.
5836         (vect_is_duplicate_ddr): New.
5837         (vect_mark_for_runtime_alias_test): New.
5838         (vect_analyze_data_ref_dependences) Add call to
5839         vect_mark_for_runtime_alias_test.
5840         (vect_enhance_data_refs_alignment): Define local variable
5841         vect_versioning_for_alias_required, don't perform
5842         peeling for alignment if versioning for alias is
5843         required.
5844         (vect_enhance_data_refs_alignment): Use
5845         PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of
5846         PARAM_VECT_MAX_VERSION_CHECKS.
5847         * tree-vect-transform.c
5848         (vect_create_cond_for_alias_checks): New.
5849         (vect_transform_loop): Add call to
5850         vect_create_cond_for_alias_checks.
5851         (vect_vfa_segment_size): New.
5852         * params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS):
5853         Rename.
5854         (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define.
5855         * gcc/doc/invoke.texi
5856         (vect-max-version-for-alignment-checks): Document.
5857         (vect-max-version-for-alias-checks): Document.
5858         (vect-max-version-checks): Remove.
5859
5860 2007-08-16  Uros Bizjak  <ubizjak@gmail.com>
5861
5862         * config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
5863         the same line as the instruction for all asm dialects.
5864         (*rep_movsi): Ditto.
5865         (*rep_movsi_rex64): Ditto.
5866         (*rep_movqi): Ditto.
5867         (*rep_movqi_rex64): Ditto.
5868         (*rep_stosdi_rex64): Ditto.
5869         (*rep_stossi): Ditto.
5870         (*rep_stossi_rex64): Ditto.
5871         (*rep_stosqi): Ditto.
5872         (*rep_stosqi_rex64): Ditto.
5873         (*cmpstrnqi_nz_1): Ditto.
5874         (*cmpstrnqi_nz_rex_1): Ditto.
5875         (*cmpstrnqi_1): Ditto.
5876         (*cmpstrnqi_rex_1): Ditto.
5877         (*strlenqi_1): Ditto.
5878         (*strlenqi_rex_1): Ditto.
5879         * config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
5880         prefix on the same line as the instruction for all asm dialects.
5881         (sync_double_compare_and_swap<mode>): Ditto.
5882         (*sync_double_compare_and_swapdi_pic): Ditto.
5883         (*sync_compare_and_swap_cc<mode>): Ditto.
5884         (sync_double_compare_and_swap_cc<mode>): Ditto.
5885         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
5886         (sync_old_add<mode>): Ditto.
5887         (sync_add<mode>): Ditto.
5888         (sync_sub<mode>): Ditto.
5889         (sync_ior<mode>): Ditto.
5890         (sync_and<mode>): Ditto.
5891         (sync_xor<mode>): Ditto.
5892
5893 2007-08-16  Richard Sandiford  <richard@codesourcery.com>
5894
5895         PR middle-end/32897
5896         * reload.c (find_reloads): Check that the memory returned by
5897         find_reloads_toplev was not the result of forcing a constant
5898         to memory.
5899         (find_reloads_toplev): Always use simplify_gen_subreg to get
5900         the subreg of a constant.  If the result is also a constant,
5901         but not a legitimate one, force it into the constant pool
5902         and reload its address.
5903
5904 2007-08-15  David Edelsohn  <edelsohn@gnu.org>
5905
5906         * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
5907         POPCOUNT.
5908
5909 2007-08-15  Daniel Jacobowitz  <dan@codesourcery.com>
5910
5911         * config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
5912         directive for the current vector ABI.
5913
5914 2007-08-15  Steve Ellcey  <sje@cup.hp.com>
5915
5916         PR target/32963
5917         * caller-save.c (reg_save_code): Set invalide status on restore code.
5918
5919 2007-08-15  Diego Novillo  <dnovillo@google.com>
5920
5921         * tree-ssa-alias.c (compute_memory_partitions): Use
5922         alias_bitmap_obstack to allocate bitmaps.
5923         (reset_alias_info): Factor out of init_alias_info.
5924         Mark all name tags not associated to an SSA name for renaming.
5925         (init_alias_info): Call it.
5926         (create_name_tags): Tidy.  Add comments.
5927         (dump_points_to_info_for): Do not call get_mem_sym_stats_for.
5928
5929 2007-08-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
5930
5931         * config/mips/mips.c (vr4130_swap_insns_p): Use new interface to
5932         scheduler dependencies.
5933
5934 2007-08-15  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5935
5936         * config/i386/i386.md (subsi3_carry_zext): Remove "m" constraint for
5937         "register_operand".
5938         (*iorsi_1_zext): Likewise.
5939         (*iorsi_1_zext_imm): Likewise.
5940         * config/i386/sse.md: (*sse4_1_extractps): Use "nonimmediate_operand"
5941         with "rm"/"xm" constraint.
5942         (sse2_vmsqrtv2df2): Likewise.
5943
5944 2007-08-15  Jakub Jelinek  <jakub@redhat.com>
5945
5946         PR middle-end/33074
5947         * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for
5948         REG_LIBCALL note.
5949
5950 2007-08-14  Daniel Berlin  <dberlin@dberlin.org>
5951
5952         * tree-pass.h (PROP_pta): Removed.
5953         (TODO_rebuild_alias): New.
5954         (pass_may_alias): Removed.
5955         * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
5956         aliasing if we changed something.
5957         * tree-ssa-alias.c (compute_may_aliases): Make non-static.  Update
5958         SSA internally.
5959         (pass_may_alias): Removed.
5960         (create_structure_vars): Return TODO_rebuild_alias.
5961         * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
5962         * tree-sra.c (tree_sra): Only rebuild aliasing if something
5963         changed.
5964         (tree_sra_early): We never affect aliasing right now.
5965         * tree-flow.h (compute_may_aliases): New prototype.
5966         * passes.c: Remove pass_may_alias from the passes.
5967         (execute_function_todo): Support TODO_rebuild_alias.
5968
5969 2007-08-14  Kai Tietz  <kai.tietz@onevision.com>
5970
5971         * i386.c: (legitimize_address): Move dllimported variable check
5972         infront of legitimizing pic address of CONST symbols.
5973
5974 2007-08-14  Steve Ellcey  <sje@cup.hp.com>
5975
5976         PR tree-optimization/32941
5977         * tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
5978         (goto_queue_cmp): Remove.
5979         (find_goto_replacement): Change search method.
5980         (maybe_record_in_goto_queue): Add assert.
5981         (lower_try_finally): Remove qsort call, add pointer_map_destroy call.
5982         * Makefile.in (tree-eh.o): Add pointer-set.h dependency.
5983
5984 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5985
5986         * alias.c (component_uses_parent_alias_set): Constify.
5987         * alias.h (component_uses_parent_alias_set): Likewise.
5988         * cfgrtl.c (print_rtl_with_bb): Likewise.
5989         * double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
5990         mpz_get_double_int): Likewise.
5991         * double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
5992         mpz_get_double_int): Likewise.
5993         * expr.c (is_aligning_offset, undefined_operand_subword_p,
5994         mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
5995         Likewise.
5996         * expr.h (safe_from_p): Likewise.
5997         * gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
5998         Likewise.
5999         * gimplify.c (should_carry_locus_p, zero_sized_field_decl,
6000         zero_sized_type, goa_lhs_expr_p): Likewise.
6001         * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
6002         * rtl.h (print_rtl_with_bb): Likewise.
6003         * sched-vis.c (print_exp, print_value, print_pattern): Likewise.
6004         * tree-cfg.c (const_first_stmt, const_last_stmt): New.
6005         * tree-flow-inline.h (bb_stmt_list): Constify.
6006         (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
6007         cbsi_stmt): New.
6008         * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
6009         const_first_stmt, const_last_stmt): New.
6010         (block_may_fallthru, empty_block_p): Constify.
6011         * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
6012         EXPR_ONLY_BODY): New.
6013         (expr_first, expr_last, expr_only): Use macro for body.
6014         (const_expr_first, const_expr_last, const_expr_only): New.
6015         * tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
6016         ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
6017         ctsi_prev, ctsi_stmt): New.
6018         * tree-scalar-evolution.c (get_loop_exit_condition): Constify.
6019         * tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
6020         * tree-ssa-loop-niter.c (loop_only_exit_p,
6021         derive_constant_upper_bound): Likewise.
6022         * tree-ssa-phiopt.c (empty_block_p): Likewise.
6023         * tree-ssa-threadupdate.c (redirection_block_p): Likewise.
6024         * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
6025         * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
6026         * tree-vrp.c (vrp_bitmap_equal_p): Likewise.
6027         * tree.c (get_type_static_bounds): Likewise.
6028         * tree.h (const_expr_first, const_expr_last, const_expr_only): New.
6029         (get_type_static_bounds): Constify.
6030
6031 2007-08-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6032
6033         PR target/30315
6034         * config/i386/i386.h (CANONICALIZE_COMPARISON): New.
6035         * config/i386/i386.md (plusminus)(addsub)(SWI): New.
6036         (*<addsub><mode>3_cc_overflow): New.
6037         (*add<mode>3_cconly_overflow): New.
6038         (*sub<mode>3_cconly_overflow): New.
6039         (*<addsub>si3_zext_cc_overflow): New.
6040         * config/i386/predicates.md (fcmov_comparison_operator): Accept
6041         CCCmode for LTU, GTU, LEU and GEU.
6042         (ix86_comparison_operator): Likewise.
6043         (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
6044         * config/i386/i386.c (put_condition_code): Support CCCmode.
6045         (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
6046         or MINUS expressions.
6047
6048 2007-08-14  Andrew Pinski  <pinskia@gmail.com>
6049
6050         PR c/30428
6051         * c-typeck.c (build_binary_op): Disallow vector float types with
6052         BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR.
6053
6054 2007-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
6055
6056         * sched-int.h (struct _dep): Rename field 'kind' to 'type'.
6057         (DEP_KIND): Rename to DEP_TYPE.  Update all uses.
6058         (dep_def): New typedef.
6059         (init_dep_1, sd_debug_dep): Declare functions.
6060         (DEP_LINK_KIND): Rename to DEP_LINK_TYPE.
6061         (debug_dep_links): Remove.
6062         (struct _deps_list): New field 'n_links'.
6063         (DEPS_LIST_N_LINKS): New macro.
6064         (FOR_EACH_DEP_LINK): Remove.
6065         (create_deps_list, free_deps_list, delete_deps_list): Remove
6066         declaration.
6067         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6068         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6069         (copy_deps_list_change_con, move_dep_link): Ditto.
6070         (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
6071         and 'spec_back_deps'.  New field 'resolved_forw_deps'.  Remove field
6072         'dep_count'.
6073         (INSN_BACK_DEPS): Remove.
6074         (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS):
6075         New macros.
6076         (INSN_DEP_COUNT): Remove.
6077         (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP.  Fix comments.
6078         (spec_info, haifa_recovery_block_was_added_during_scheduling_p):
6079         Declare global variables.
6080         (deps_pools_are_empty_p, sched_free_deps): Declare functions.
6081         (add_forw_dep, compute_forward_dependences): Remove declarations.
6082         (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
6083         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6084         (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
6085         functions.
6086         (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW):
6087         New constants.
6088         (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto.
6089         (sd_list_types_def): New typedef.
6090         (sd_next_list): Declare function.
6091         (struct _sd_iterator): New type.
6092         (sd_iterator_def): New typedef.
6093         (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
6094         functions.
6095         (FOR_EACH_DEP): New cycle wrapper.
6096         (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
6097         Declare functions.
6098         (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
6099         (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):
6100         Ditto.
6101
6102         * sched-deps.c (init_dep_1): Make global.
6103         (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New
6104         constants.
6105         (dump_dep): New static function.
6106         (dump_dep_flags): New static variable.
6107         (sd_debug_dep): New function.
6108         (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
6109         the list.
6110         (move_dep_link): Use remove_from_deps_list (), instead of
6111         detach_dep_link ().
6112         (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
6113         (dep_link_is_detached_p): New static function.
6114         (deps_obstack, dl_obstack, dn_obstack): Remove.  Use dn_pool, dl_pool
6115         instead.
6116         (dn_pool, dl_pool): New alloc_pools.
6117         (dn_pool_diff, dl_pool_diff): New static variables.
6118         (create_dep_node, delete_dep_node): New static function.
6119         (create_deps_list): Make it static.  Use alloc_pool 'dl_pool'.
6120         (deps_list_empty_p): Make it static.  Use 'n_links' field.
6121         (deps_pools_are_empty_p): New static function.
6122         (alloc_deps_list, delete_deps_list): Remove.
6123         (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
6124         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6125         (copy_deps_list_change_con): Remove.  Use sd_copy_back_deps () instead.
6126         (forward_dependency_cache): Remove.
6127         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
6128         'back' from the names.  Change signature to use dep_t instead of
6129         equivalent quad.
6130         (add_back_dep): Ditto.  Make global.
6131         (check_dep_status): Rename to check_dep ().
6132         (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
6133         New functions.
6134         (sd_finish_insn): Ditto.
6135         (sd_find_dep_between_no_cache): New static function.
6136         (sd_find_dep_between): New function.
6137         (ask_dependency_caches, set_dependency_caches): New static functions.
6138         (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
6139         (add_or_update_dep_1): Separate pieces of functionality into
6140         ask_dependency_caches (), update_dependency_caches (),
6141         change_spec_dep_to_hard (), update_dep ().
6142         (get_back_and_forw_lists): New static function.
6143         (sd_add_dep): Separate setting of dependency caches into
6144         set_dependency_caches ().
6145         (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
6146         New functions.
6147         (sd_delete_dep): Ditto.
6148         (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants.
6149         (dump_lists): New static function.
6150         (sd_debug_lists): New debug function.
6151         (delete_all_dependences, fixup_sched_groups): Update to use
6152         sd_* infrastructure.
6153         (sched_analyze_2): Create data-speculative dependency only if
6154         data-speculation is enabled.
6155         (sched_analyze_insn): If insn cannot be speculative, make all its
6156         dependencies non-speculative.
6157         (sched_analyze): Use sd_init_insn ().
6158         (add_forw_dep, compute_forward_dependencies): Remove.
6159         (delete_dep_nodes_in_back_deps): New static function.
6160         (sched_free_deps): New function.
6161         (init_dependency_caches): Init alloc_pools.
6162         (extend_depedency_caches): Update after removing of
6163         forward_dependency_cache.
6164         (free_dependency_caches): Ditto.  Free alloc_pools.
6165         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
6166         (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
6167         Ditto.
6168         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6169         (add_dependence): Use init_dep ().
6170         (get_dep_weak_1): New static function.
6171         (get_dep_weak): Move logic to get_dep_weak_1 ().
6172         (dump_ds): New static function moved from haifa-sched.c:
6173         debug_spec_status ().
6174         (debug_ds): New debug function.
6175         (check_dep_status): Rename to check_dep ().  Update to check whole
6176         dependencies.
6177
6178         * haifa-sched.c (spec_info): Make global.
6179         (added_recovery_block_p): Rename to
6180         'haifa_recovery_block_was_added_during_current_schedule_block_p'.
6181         (haifa_recovery_block_was_added_during_scheduling_p): New variable.
6182         (dep_cost, priority, rank_for_schedule, schedule_insn): Update
6183         to use new interfaces.
6184         (ok_for_early_queue_removal): Ditto.
6185         (schedule_block): Initialize logical uids of insns emitted by the
6186         target.
6187         (sched_init): Initialize new variable.
6188         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6189         interfaces.
6190         (extend_global): Initialize insn data.
6191         (init_h_i_d): Remove code that is now handled in sd_init_insn ().
6192         (process_insn_forw_deps_be_in_spec): Change signature.  Update to use
6193         new interfaces.
6194         (add_to_speculative_block): Update to use new interfaces.
6195         (create_recovery_block): Set new variables.
6196         (create_check_block_twin, fix_recovery_deps): Update to use new
6197         interfaces.
6198         (sched_insn_is_legitimate_for_speculation_p): New function.
6199         (speculate_insn): Move checking logic to
6200         sched_insn_is_legitimate_for_speculation_p ().
6201         (sched_remove_insn): Finalize sched-deps information of instruction.
6202         (clear_priorities, add_jump_dependencies): Update to use new
6203         interfaces.
6204         (debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
6205
6206         * sched-rgn.c (set_spec_fed, find_conditional_protection): Update
6207         to use new interfaces.
6208         (is_conditionally_protected, is_pfree, is_prisky) Ditto.
6209         (new_ready): Try to use control speculation only if it is available.
6210         (add_branch_dependences): Update to use new interfaces.
6211         (compute_block_backward_dependences): Rename to
6212         compute_block_dependences ().  Call
6213         targetm.sched.dependencies_evaluation_hook ().
6214         (free_block_dependencies): New static function.
6215         (debug_dependencies): Update to use new interfaces.
6216         (schedule_region): Remove separate computation of forward dependencies.
6217         Move call of targetm.sched.dependencies_evaluation_hook () to
6218         compute_block_dependences ().  Free dependencies at the end of
6219         scheduling the region.
6220
6221         * sched-ebb.c (earliest_block_with_similiar_load): Update to use
6222         new interfaces.
6223         (add_deps_for_risky_insns): Ditto.
6224         (schedule_ebb): Remove separate computation of forward dependencies.
6225         Free dependencies at the end of scheduling the ebb.
6226
6227         * ddg.c (create_ddg_dependence): Update to use new interfaces.
6228         (build_intra_loop_deps): Ditto.  Remove separate computation of
6229         forward dependencies.  Free sched-deps dependencies.
6230
6231         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
6232         to use new interfaces.
6233         (ia64_dfa_new_cycle, ia64_gen_check): Ditto.
6234
6235         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
6236         new interfaces.
6237         (is_costly_group): Ditto.
6238
6239 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6240
6241         * alias.c (rtx_equal_for_memref_p): Constify.
6242         * basic-block.h (const_edge, const_basic_block): New.
6243         (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
6244         single_pred_p, single_succ_edge, single_pred_edge, single_succ,
6245         single_pred, maybe_hot_bb_p, probably_cold_bb_p,
6246         probably_never_executed_bb_p, edge_probability_reliable_p,
6247         br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
6248         inside_basic_block_p, control_flow_insn_p, dominated_by_p):
6249         Likewise.
6250         * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
6251         * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
6252         Likewise.
6253         * cfganal.c (flow_active_insn_p, forwarder_block_p,
6254         flow_nodes_print, dfs_enumerate_from): Likewise.
6255         * cfgbuild.c (count_basic_blocks, inside_basic_block_p,
6256         control_flow_insn_p, count_basic_blocks): Likewise.
6257         * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
6258         get_loop_body_with_size, loop_exit_edge_p): Likewise.
6259         * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
6260         average_num_loop_insns, loop_exit_edge_p,
6261         just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
6262         * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
6263         average_num_loop_insns, seq_cost): Likewise.
6264         * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
6265         * dominance.c (dominated_by_p): Likewise.
6266         * emit-rtl.c (validate_subreg): Likewise.
6267         * except.c (can_throw_internal, can_throw_external): Likewise.
6268         * except.h (can_throw_internal, can_throw_external): Likewise.
6269         * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
6270         oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
6271         compute_transp, load_killed_in_block_p, reg_killed_on_edge,
6272         simple_mem, store_ops_ok, load_kills_store, find_loads,
6273         store_killed_in_insn, store_killed_after, store_killed_before,
6274         gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
6275         Likewise.
6276         * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
6277         noce_mem_write_may_trap_or_fault_p): Likewise.
6278         * pointer-set.c (pointer_set_contains, pointer_map_contains):
6279         Likewise.
6280         * pointer-set.h (pointer_set_contains, pointer_map_contains):
6281         Likewise.
6282         * predict.c (can_predict_insn_p, maybe_hot_bb_p,
6283         probably_cold_bb_p, probably_never_executed_bb_p,
6284         edge_probability_reliable_p, br_prob_note_reliable_p,
6285         can_predict_insn_p): Likewise.
6286         * regclass.c (reg_set_to_hard_reg_set): Likewise.
6287         * resource.c (return_insn_p): Likewise.
6288         * rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
6289         Likewise.
6290         * rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
6291         * tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
6292         * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
6293         verify_gimple_modify_stmt): Likewise.
6294         * tree-chrec.c (is_not_constant_evolution,
6295         is_multivariate_chrec_rec, is_multivariate_chrec,
6296         chrec_contains_symbols, chrec_contains_undetermined,
6297         tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
6298         evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
6299         eq_evolutions_p, scev_direction): Likewise.
6300         * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
6301         eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
6302         chrec_contains_symbols_defined_in_loop,
6303         chrec_contains_undetermined, tree_contains_chrecs,
6304         evolution_function_is_affine_multivariate_p,
6305         evolution_function_is_univariate_p, chrec_zerop,
6306         evolution_function_is_constant_p, evolution_function_is_affine_p,
6307         evolution_function_is_affine_or_constant_p,
6308         tree_does_not_contain_chrecs, chrec_type): Likewise.
6309         * tree-data-ref.c (tree_fold_divides_p,
6310         object_address_invariant_in_loop_p, dr_may_alias_p,
6311         ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
6312         same_access_functions, constant_access_functions,
6313         access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
6314         Likewise.
6315         * tree-flow.h (scev_direction): Likewise.
6316         * tree-gimple.c (is_gimple_stmt): Likewise.
6317         * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
6318         Likewise.
6319         * tree-pretty-print.c (op_prio): Likewise.
6320         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
6321         analyzable_condition, backedge_phi_arg_p): Likewise.
6322         * tree-scalar-evolution.h (get_chrec_loop): Likewise.
6323         * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
6324         * tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
6325         Likewise.
6326
6327 2007-08-13  Dan Hipschman  <dsh@google.com>
6328
6329         PR c/32953
6330         * c-format.c (check_format_arg): Move check for zero-length
6331         format strings below the check for unterminated strings.
6332
6333 2007-08-13  Andrew Pinski  <pinskia@gmail.com>
6334
6335         PR C/30427
6336         * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float
6337         types.
6338
6339 2007-08-13  Nick Clifton  <nickc@redhat.com>
6340
6341         * config/arm/arm_neon.h: Revert GPLv3 patch to this file.
6342
6343 2007-08-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6344
6345         PR fortran/32860
6346         * c-format.c (gcc_gfc_length_specs): New array.
6347         (gcc_gfc_char_table): Add unsigned specifier, and references to
6348         the l length modifier.
6349         (format_types_orig): Use the new gcc_gfc_length_specs.
6350
6351 2007-08-12  Sa Liu  <saliu@de.ibm.com>
6352
6353         * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
6354         and with REG_RETVAL note after split.
6355
6356 2007-08-11  David Daney  <ddaney@avtrex.com>
6357
6358         * config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
6359         as ATTRIBUTE_UNUSED.
6360
6361 2007-08-11  David Edelsohn  <edelsohn@gnu.org>
6362             Segher Boessenkool  <segher@kernel.crashing.org>
6363
6364         * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if
6365         HAVE_LOCAL_CPU_DETECT not defined.
6366
6367 2007-08-11  Jan Hubicka  <jh@suse.cz>
6368
6369         * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
6370         (cgraph_process_new_functions): Honor previous value of
6371         disregard_inline_limits.
6372         * ipa-inline.c (compute_inline_parameters): Likewise.
6373
6374 2007-08-11  Ian Lance Taylor  <iant@google.com>
6375
6376         * alias.h (alias_set_type): Define new type.
6377         (ALIAS_SET_MEMORY_BARRIER): Use it.
6378         * rtl.h: Include alias.h.
6379         (struct mem_attrs): Use alias_set_type.
6380         * tree.h: Include alias.h
6381         (struct tree_type): Use alias_set_type.
6382         (struct tree_struct_field_tag): Likewise.
6383         (struct tree_decl_common): Likewise.
6384         * alias.c (struct alias_set_entry): Use alias_set_type.
6385         (get_alias_set_entry, alias_set_subset_of): Likewise.
6386         (alias_sets_conflict_p): Likewise.
6387         (alias_sets_must_conflict_p): Likewise.
6388         (objects_must_conflict_p): Likewise.
6389         (get_alias_set, new_alias_set): Likewise.
6390         (record_alias_subset, record_component_aliases): Likewise.
6391         (varargs_set, frame_set): Change to alias_set_type.
6392         (get_varargs_alias_set): Use alias_set_type.
6393         (get_frame_alias_set): Likewise.
6394         * builtins.c (setjmp_alias_set): Change to alias_set_type.
6395         * dse.c (struct store_info): Use alias_set_type.
6396         (struct read_info, struct clear_alias_mode_holder): Likewise.
6397         (clear_alias_set_lookup, canon_address): Likewise.
6398         (record_store, check_mem_read_rtx): Likewise.
6399         (dse_record_singleton_alias_set): Likewise.
6400         (dse_invalidate_singleton_alias_set): Likewise.
6401         * emit-rtl.c (get_mem_attrs): Likewise.
6402         (set_mem_attributes_minus_bitpos): Likewise.
6403         (set_mem_alias_set): Likewise.
6404         * expr.c (store_constructor_field, store_field): Likewise.
6405         * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
6406         * langhooks.c (lhd_get_alias_set): Likewise.
6407         * langhooks-def.h (lhd_get_alias_set): Likewise.
6408         * reload1.c (alter_reg): Likewise.
6409         * tree-flow.h (struct fieldoff): Likewise.
6410         * tree-ssa-alias.c (struct alias_map_d): Likewise.
6411         (may_alias_p, get_smt_for, create_sft): Likewise.
6412         * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
6413         * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
6414         (merge_smts_into): Likewise.
6415         * varasm.c (const_alias_set): Likewise.
6416         * c-common.c (strict_aliasing_warning): Likewise.
6417         (c_common_get_alias_set): Likewise.
6418         * dse.h (dse_record_singleton_alias_set): Update declaration.
6419         (dse_invalidate_singleton_alias_set): Likewise.
6420         * emit-rtl.h (set_mem_alias_set): Likewise.
6421         * c-common.h (c_common_get_alias_set): Likewise.
6422         * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
6423         * print-tree.c (print_node): Likewise.
6424         * config/alpha/alpha.c (alpha_sr_alias_set): Change to
6425         alias_set_type.
6426         (alpha_setup_incoming_varargs): Use alias_set_type.
6427         * config/i386/i386.c (setup_incoming_varargs_64): Use
6428         alias_set_type.
6429         (setup_incoming_varargs_ms_64): Likewise.
6430         (ix86_GOT_alias_set): Likewise.
6431         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6432         * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
6433         (set): Change to alias_set_type.
6434         (get_TOC_alias_set): Use alias_set_type.
6435         * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
6436         declaration.
6437         * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
6438         * config/sparc/sparc.c (sparc_sr_alias_set): Change to
6439         alias_set_type.
6440         (struct_value_alias_set): Likewise.
6441         * Makefile.in (GTFILES): Add $(srcdir)/alias.h.
6442
6443 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6444
6445         * config/vxworks-dummy.h (TARGET_VXWORKS): Define.
6446         * config/vxworks.h (TARGET_VXWORKS): Override.
6447         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
6448         "mips" if TARGET_VXWORKS.
6449
6450 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6451
6452         * calls.c (avoid_likely_spilled_reg): New function.
6453         (expand_call): Use it.
6454
6455 2007-08-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6456
6457         * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.
6458
6459 2007-08-10  Adam Nemet  <anemet@caviumnetworks.com>
6460
6461         * config/mips/predicates.md (const_call_insn_operand): Invoke
6462         SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
6463
6464 2007-08-10  David Edelsohn  <edelsohn@gnu.org>
6465
6466         PR target/33042
6467         * config/rs6000/driver-rs6000.c: Include link.h.
6468         Use ElfW instead of wordsize-specif typedef.
6469
6470 2007-08-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6471
6472         * system.h (CONST_CAST): New.
6473         * c-decl.c (c_make_fname_decl): Use it.
6474         * c-lex.c (cb_ident, lex_string): Likewise.
6475         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
6476         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
6477         give_switch, set_multilib_dir): Likewise.
6478         * gengtype-parse.c (string_seq, typedef_name): Likewise.
6479         * passes.c (execute_one_pass): Likewise.
6480         * prefix.c (update_path): Likewise.
6481         * pretty-print.c (pp_base_destroy_prefix): Likewise.
6482         * tree.c (build_string): Likewise.
6483
6484 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6485
6486         * tree-flow-inline.h (is_exec_stmt): Remove.
6487         (is_label_stmt): Remove.
6488         * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and
6489         is_label_stmt.
6490
6491 2007-08-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6492
6493         * lower-subreg.c (resolve_shift_zext): Don't adjust
6494         src_reg_num for wordmode operands.
6495
6496 2007-08-10  Sandra Loosemore  <sandra@codesourcery.com>
6497             David Ung  <davidu@mips.com>
6498
6499         * config/mips/mips.c (TARGET_SCHED_INIT): Define.
6500         (TARGET_SCHED_REORDER2): Define.
6501         (mips_maybe_swap_ready): New.
6502         (mips_last_74k_agen_insn): New.
6503         (mips_74k_agen_init): New.
6504         (mips_74k_agen_reorder): New function to group loads and stores
6505         in the ready queue.
6506         (mips_sched_init): New.
6507         (mips_sched_reorder): Don't do initialization here.  Call
6508         mips_74k_agen_reorder.
6509         (mips_variable_issue): Call mips_74k_agen_init.
6510
6511 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6512
6513         * tree-flow-inline.h (get_filename): Remove.
6514
6515 2007-08-10  Richard Sandiford  <richard@codesourcery.com>
6516
6517         * config/mips/mips-protos.h (mips_address_insns): Add a boolean
6518         argument.
6519         (mips_fetch_insns): Delete in favor of...
6520         (mips_load_store_insns): ...this new function.
6521         * config/mips/mips.c (mips_address_insns): Add a boolean argument
6522         to say whether multiword moves _might_ be split.
6523         (mips_fetch_insns): Delete in favor of...
6524         (mips_load_store_insns): ...this new function.
6525         (mips_rtx_costs): Update the call to mips_address_insns.
6526         (mips_address_cost): Likewise.
6527         * config/mips/mips.md (length): Use mips_load_store_insns instead
6528         of mips_fetch_insns.
6529         * config/mips/constraints.md (R): Use mips_address_insns rather
6530         than mips_fetch_insns.  Assume that the move never needs to be split.
6531
6532 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6533
6534         * config/mips/mips.opt (mhard-float, msoft-float): Make these
6535         control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
6536         than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.
6537         * config/mips/mips.h (mips16_hard_float): Delete.
6538         (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
6539         definitions, and replace with....
6540         (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
6541         * config/mips/mips.c (mips16_hard_float): Delete.  Replace
6542         all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
6543         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
6544         (override_options): Replace MASK_SOFT_FLOAT references with
6545         MASK_SOFT_FLOAT_ABI.  Delete twiddling with MASK_SOFT_FLOAT
6546         and mips16_hard_float when TARGET_MIPS16.
6547
6548 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6549
6550         PR c/32796
6551         * c-typeck.c (build_binary_op): Check for non pointer types before
6552         calling int_fits_type_p.
6553
6554 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6555
6556         PR middle-end/32813
6557         * fold-const.c (omit_one_operand): Return only the ommitted expression
6558         if the result is an empty statement.
6559         (pedantic_omit_one_operand): Likewise.
6560
6561 2007-08-09  Daniel Berlin  <dberlin@dberlin.org>
6562
6563         * c-typeck.c (readonly_error): Improve error for assignment.
6564
6565         * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
6566         expression.
6567         (pp_c_expression): Ditto.
6568
6569 2007-08-09  Simon Baldwin  <simonb@google.com>
6570
6571         * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
6572         break that was preventing simplify_associative_operation() for xor.
6573
6574 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6575             Nigel Stephens  <nigel@mips.com>
6576
6577         * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO):
6578         Document change in interpretation of value from boolean to
6579         tri-state integer.
6580         * optabs.c (expand_ffs, expand_ctz): New functions to compute
6581         ffs and ctz using clz.
6582         (expand_unop): Call them.
6583         * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
6584         result value.
6585         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
6586         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
6587         enable the new ffs expansion on this target.
6588
6589 2007-08-09  Jan Hubicka  <jh@suse.cz>
6590
6591         * optabs.c (expand_widen_pattern_expr): Use optabs accestors.
6592         (expand_ternary_op): Likewise.
6593         (expand_vec_shift_expr): Likewise.
6594         (expand_binop_directly): Likewise.
6595         (expand_binop): Likewise.
6596         (sign_expand_binop): Likewise.
6597         (expand_twoval_unop): Likewise.
6598         (expand_twoval_binop): Likewise.
6599         (expand_twoval_binop_libfunc): Likewise.
6600         (widen_clz): Likewise.
6601         (widen_bswap): Likewise.
6602         (expand_parity): Likewise.
6603         (expand_unop): Likewise.
6604         (expand_abs_nojump): Likewise.
6605         (expand_copysign): Likewise.
6606         (emit_no_conflict_block): Likewise.
6607         (emit_libcall_block): Likewise.
6608         (can_compare_p): Likewise.
6609         (prepare_cmp_insn): Likewise.
6610         (emit_cmp_and_jump_insn_1): Likewise.
6611         (prepare_float_lib_cmp): Likewise.
6612         (emit_conditional_add): Likewise.
6613         (gen_add2_insn): Likewise.
6614         (have_add2_insn): Likewise.
6615         (gen_sub2_insn): Likewise.
6616         (have_sub2_insn): Likewise.
6617         (can_extend_p): Likewise.
6618         (can_fix_p): Likewise.
6619         (can_float_p): Likewise.
6620         (expand_float): Likewise.
6621         (expand_fix): Likewise.
6622         (expand_sfix_optab): Likewise.
6623         (new_optab): Likewise.
6624         (new_convert_optab): Likewise.
6625         (init_libfuncs): Likewise.
6626         (init_interclass_conv_libfuncs): Likewise.
6627         (init_intraclass_conv_libfuncs): Likewise.
6628         (set_conv_libfunc): Likewise.
6629         (init_optabs): Likewise.
6630         (debug_optab_libfuncs): Likewise.
6631         (gen_cond_trap): Likewise.
6632         * optabs.h (optab_handler, convert_optab_hanlder): New.
6633         * genopinit.c: Update optabs generation table.
6634         * reload.c (find_reloads_address_1): Use optabs accestors.
6635         * builtins.c (expand_builtin_mathfn): Likewise.
6636         (expand_builtin_mathfn_2): Likewise.
6637         (expand_builtin_mathfn_3): Likewise.
6638         (expand_builtin_interclass_mathfn): Likewise.
6639         (expand_builtin_sincos): Likewise.
6640         (expand_builtin_cexpi): Likewise.
6641         (expand_builtin_powi): Likewise.
6642         (expand_builtin_strlen): Likewise.
6643         * dojump.c (do_jump): Likewise.
6644         * expr.c (convert_move): Likewise.
6645         (move_by_pieces): Likewise.
6646         (move_by_pieces_ninsns): Likewise.
6647         (can_store_by_pieces): Likewise.
6648         (store_by_pieces_1): Likewise.
6649         (emit_move_via_integer): Likewise.
6650         (emit_move_complex): Likewise.
6651         (emit_move_ccmode): Likewise.
6652         (emit_move_insn_1): Likewise.
6653         (emit_single_push_insn): Likewise.
6654         (store_constructor): Likewise.
6655         (expand_expr_real_1): Likewise.
6656         (do_store_flag): Likewise.
6657         * ada/misc.c (gnat_compute_largest_alignment): Likewise.
6658         (enumerate_modes): Likewise.
6659         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
6660         (supportable_widening_operation): Likewise.
6661         (supportable_narrowing_operation): Likewise.
6662         * expmed.c (store_bit_field_1): Likewise.
6663         (extract_bit_field_1): Likewise.
6664         (expand_mult_highpart_optab): Likewise.
6665         (expand_smod_pow2): Likewise.
6666         (expand_divmod): Likewise.
6667         (emit_store_flag): Likewise.
6668         * tree-vect-patterns.c
6669         (vect_pattern_recog_1): Likewise.
6670         * tree-ssa-loop-prefetch.c
6671         (nontemporal_store_p): Likewise.
6672         * tree-vect-transform.c (vect_model_reduction_cost): Likewise.
6673         (vect_create_epilog_for_reduction): Likewise.
6674         (vectorizable_reduction): Likewise.
6675         (vectorizable_operation): Likewise.
6676         (vect_strided_store_supported): Likewise.
6677         (vectorizable_store): Likewise.
6678         (vect_strided_load_supported): Likewise.
6679         (vectorizable_load): Likewise.
6680         * combine.c (simplify_comparison): Likewise.
6681         * tree-vect-generic.c
6682         (type_for_widest_vector_mode): Likewise.
6683         (expand_vector_operations_1): Likewise.
6684         * config/spu/spu.c (spu_expand_mov): Likewise.
6685         (spu_emit_vector_compare): Likewise.
6686         * config/rs6000/rs6000.c
6687         (rs6000_emit_vector_compare): Likewise.
6688         * stmt.c (add_case_node): Likewise.
6689         * reload1.c (gen_reload):
6690
6691 2007-08-09  Michael Matz  <matz@suse.de>
6692
6693         * tree.h (fixed_zerop): Declare as taking a const_tree.
6694         * tree.c (fixed_zerop): Take a const_tree.
6695
6696 2007-08-09  Ira Rosen  <irar@il.ibm.com>
6697
6698         * tree-vect-transform.c (vectorizable_store): Remove call to
6699         copy_virtual_operands() and call mark_symbols_for_renaming() for
6700         the created vector store.
6701         (vect_setup_realignment): Don't call copy_virtual_operands() and
6702         update_vuses_to_preheader().
6703         (vectorizable_load): Don't call copy_virtual_operands().
6704         (update_vuses_to_preheader): Remove.
6705
6706 2007-08-08  Chao-ying Fu  <fu@mips.com>
6707
6708         * tree.def (FIXED_POINT_TYPE): New type.
6709         (FIXED_CST): New constant.
6710         (FIXED_CONVERT_EXPR): New expr.
6711         * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
6712         (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
6713         * tree.h (struct tree_base): Add saturating_flag.
6714         Remove one bit of spare for saturating_flag.
6715         (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
6716         (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
6717         FIXED_POINT_TYPE_P): Define.
6718         (TYPE_SATURATING): Define.
6719         (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
6720         (struct tree_fixed_cst): New.
6721         (TYPE_IBIT, TYPE_FBIT): Define.
6722         (tree_node): Add fixed_cst.
6723         (enum tree_index): Add new enumeration values of
6724         TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
6725         TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
6726         TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
6727         TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
6728         TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
6729         TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
6730         TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
6731         TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
6732         TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
6733         TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
6734         TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
6735         TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
6736         TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
6737         TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
6738         TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
6739         TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
6740         TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
6741         TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
6742         (sat_short_fract_type_node, sat_fract_type_node,
6743         sat_long_fract_type_node, sat_long_long_fract_type_node,
6744         sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
6745         sat_unsigned_long_fract_type_node,
6746         sat_unsigned_long_long_fract_type_node, short_fract_type_node,
6747         fract_type_node, long_fract_type_node, long_long_fract_type_node,
6748         unsigned_short_fract_type_node, unsigned_fract_type_node,
6749         unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
6750         sat_short_accum_type_node, sat_accum_type_node,
6751         sat_long_accum_type_node, sat_long_long_accum_type_node,
6752         sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
6753         sat_unsigned_long_accum_type_node,
6754         sat_unsigned_long_long_accum_type_node, short_accum_type_node,
6755         accum_type_node, long_accum_type_node, long_long_accum_type_node,
6756         unsigned_short_accum_type_node, unsigned_accum_type_node,
6757         unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
6758         qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
6759         uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
6760         utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
6761         sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
6762         sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
6763         sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
6764         ta_type_node, uha_type_node, usa_type_node, uda_type_node,
6765         uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
6766         sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
6767         sat_uda_type_node, sat_uta_type_node): New macro.
6768         (make_fract_type, make_accum_type): Declare.
6769         (make_signed_fract_type, make_unsigned_fract_type,
6770         make_sat_signed_fract_type, make_sat_unsigned_fract_type,
6771         make_signed_accum_type, make_unsigned_accum_type,
6772         make_sat_signed_accum_type, make_sat_unsigned_accum_type,
6773         make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
6774         make_or_reuse_sat_signed_fract_type,
6775         make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
6776         make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
6777         make_or_reuse_sat_unsigned_accum_type): New macro.
6778         (fixed_zerop): Declare.
6779         * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
6780         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6781         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6782         LONG_LONG_ACCUM_TYPE_SIZE): Define.
6783         * treestruct.def: Add TS_FIXED_CST.
6784         * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
6785         (tree.o): Likewise.
6786         (tree-dump.o): Likewise.
6787         (print-tree.o): Likewise.
6788         (tree-pretty-print.o): Likewise.
6789         (fold-const.o): Likewise.
6790         * tree-complex.c (some_nonzerop): Handle FIXED_CST.
6791         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
6792         (is_gimple_min_invariant): Handle FIXED_CST.
6793         * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
6794         MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
6795         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6796         (layout_type): Handle FIXED_POINT_TYPE.
6797         (make_fract_type, make_accum_type): New functions.
6798         * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
6799         * tree-dump.c (fixed-value.h): New include.
6800         (dump_fixed): New function.
6801         (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
6802         * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
6803         (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
6804         * tree-pretty-print.c (fixed-value.h): New include.
6805         (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
6806         FIXED_CONVERT_EXPR.
6807         * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
6808         * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
6809         * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
6810         * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
6811         for non-saturating fixed-point types.
6812         (reassociate_bb): Likewise.
6813         * emit-rtl.c (fixed-value.h): New include.
6814         (fconst0, fconst1): New array.
6815         (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
6816         * tree-vect-generic.c expand_vector_operation): Support
6817         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
6818         MODE_VECTOR_UACCUM.
6819         (type_for_widest_vector_mode): Add one parameter for the
6820         saturating flag.
6821         Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
6822         vector mode.
6823         Pass the satp parameter to type_for_mode for fixed-point types.
6824         (expand_vector_operations_1): Pass the saturating flag to
6825         type_for_widest_vector_mode.
6826         Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
6827         and MODE_VECTOR_UACCUM.
6828         * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
6829         (vectorizable_condition): Likewise.
6830         * tree.c (fixed-value.h): New include.
6831         (tree_code_size): Support FIXED_CST.
6832         (build_fixed): New function.
6833         (build_one_cst): Support FIXED_POINT_TYPE for accum types.
6834         (fixed_zerop): New function.
6835         (tree_node_structure): Support FIXED_CST.
6836         (type_contains_placeholder_1): Support FIXED_POINT_TYPE.
6837         (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
6838         (type_hash_eq): Handle FIXED_POINT_TYPE.
6839         (simple_cst_equal): Support FIXED_CST.
6840         (iterative_hash_expr): Handle FIXED_CST.
6841         (get_unwidened): Make sure type is not FIXED_POINT_TYPE.
6842         (get_narrower): Likewise.
6843         (variably_modified_type_p): Handle FIXED_POINT_TYPE.
6844         (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
6845         (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
6846         MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
6847         nodes.
6848         (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
6849         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6850         (initializer_zerop): Support FIXED_CST.
6851         (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
6852         * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
6853         DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
6854         (is_base_type): Handle FIXED_POINT_TYPE.
6855         (add_type_attribute): Handle FIXED_POINT_TYPE.
6856         (gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
6857         * print-tree.c (fixed-value.h): New include.
6858         (print_node_brief): Support FIXED_CST.
6859         (print_node): Support FIXED_POINT_TYPE and FIXED_CST.
6860         * c-pretty-print.c (fixed-value.h): New include.
6861         (pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
6862         TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
6863         (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
6864         Support fixed-point types for inner items in VECTOR_TYPE.
6865         (pp_c_direct_declarator): Likewise.
6866         (pp_c_declarator): Likewise.
6867         (pp_c_fixed_constant): New function.
6868         (pp_c_constant): Handle FIXED_CST.
6869         (pp_c_primary_expression): Likewise.
6870         (pp_c_expression): Likewise.
6871         * fold-const.c (fixed-value.h): New include.
6872         (negate_expr_p): Return true for FIXED_CST.
6873         (fold_negate_expr): Support FIXED_CST.
6874         (split_tree): Support FIXED_CST.
6875         (const_binop): Support FIXED_CST.
6876         (fold_convert_const_int_from_fixed): New function to convert from
6877         fixed to int.
6878         (fold_convert_const_real_from_fixed): New function to convert from
6879         fixed to real.
6880         (fold_convert_const_fixed_from_fixed): New function to convert from
6881         fixed to another fixed.
6882         (fold_convert_const_fixed_from_int): New function to convert from
6883         int to fixed.
6884         (fold_convert_const_fixed_from_real): New function to convert from
6885         real to fixed.
6886         (fold_convert_const): Support conversions from fixed to int, from
6887         fixed to real, from fixed to fixed, from int to fixed, and from real
6888         to fixed.
6889         (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
6890         (operand_equal_p): Support FIXED_CST.
6891         (make_range): For fixed-point modes, we need to pass the
6892         saturating flag as the 2nd parameter.
6893         (tree_swap_operands_p): Handle FIXED_CST.
6894         (fold_plusminus_mult_expr): For fract modes, we cannot generate
6895         constant 1.
6896         (fold_unary): Support FIXED_CONVERT_EXPR.
6897         (fold_binary): Handle FIXED_CST.
6898         Make sure the type is not saturating, before associating operations.
6899         Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
6900         (tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
6901         (fold_negate_const): Support FIXED_CST.
6902         (fold_relational_const): Support FIXED_CST.
6903         * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
6904         (gimplify_expr): Handle FIXED_CST.
6905         (gimplify_type_sizes): Handle FIXED_POINT_TYPE.
6906         * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
6907         * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
6908         * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
6909         FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6910         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6911         LONG_LONG_ACCUM_TYPE_SIZE.
6912         * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
6913         * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
6914         * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
6915         * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
6916         MODE_ACCUM, and MODE_UACCUM.
6917         * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
6918         fixed-point types to disable reduction.
6919         * explow.c (promote_mode): Support FIXED_POINT_TYPE.
6920
6921 2007-08-08  David Edelsohn  <edelsohn@gnu.org>
6922
6923         * config/rs6000/x-rs6000: New file.
6924         * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
6925         * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
6926         (EXTRA_SPEC_FUNCTIONS): Define.
6927         (HAVE_LOCAL_CPU_DETECT): Define.
6928         (CC1_CPU_SPEC): Define.
6929         * config/rs6000/driver-rs6000.c: New file.
6930         * config/rs6000/aix.h (CC1_SPEC): Define.
6931         * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
6932         * config.host: Add x-rs6000 to host_xmake_file if host and target
6933         are rs6000 or powerpc.
6934
6935 2007-08-08  Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
6936
6937         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.
6938
6939 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6940             Sandra Loosemore  <sandra@codesourcery.com>
6941             Chao-ying Fu  <fu@mips.com>
6942             Nigel Stephens  <nigel@mips.com>
6943             David Ung  <davidu@mips.com>
6944
6945         * doc/invoke.texi (-mcode-readable): Document.
6946         * config/mips/mips.opt (mcode-readable): New option.
6947         * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
6948         * config/mips/mips.h (mips_code_readable_setting): New enum.
6949         (mips_code_readable): Declare.
6950         (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros.
6951         (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro.
6952         (JUMP_TABLES_IN_TEXT_SECTION): Use it.
6953         (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise.  Remove
6954         boiler-plate comments.
6955         (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
6956         * config/mips/mips.c (mips_code_readable): New variable.
6957         (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
6958         MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES.  Use both the
6959         context and -mcode-readable setting to restrict the use of
6960         SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
6961         Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed.
6962         (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH.
6963         (mips_blocks_for_constant_p): Only return false for
6964         TARGET_MIPS16_PCREL_LOADS.
6965         (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions
6966         for MIPS16.  Handle SYMBOL_32_HIGH.
6967         (mips_const_insns): Allow HIGHs for MIPS16 too.
6968         (mips_unspec_address_offset): New function, split out from...
6969         (mips_unspec_address): ...here.
6970         (mips_output_move): Handle MIPS16 HIGH moves.  Use "li" to load
6971         16-bit symbolic constants.  Assert approropiate conditions for
6972         using the "la" and "dla" macros.
6973         (mips_handle_option): Handle -mcode-readable=.
6974         (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too.
6975         Set up mips_lo_relocs[SYMBOL_32_HIGH].
6976         (mips_strip_unspec_address): New function, split out from...
6977         (print_operand_reloc): ...here.
6978         (print_operand): Pass constants through mips_strip_unspec_address.
6979         (print_operand_address): Likewise.
6980         (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants.
6981         (mips_select_rtx_section): Remove MIPS16 handling.
6982         (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl.
6983         (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC.
6984         (mips16_lay_out_constants): Do nothing unless
6985         TARGET_MIPS16_PCREL_LOADS.
6986         (mips_avoid_hazards): Remove guard of mips16_lay_out_constants.
6987         * config/mips/mips.md: Split HIGHs for MIPS16.
6988         (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
6989
6990 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6991
6992         * config/mips/mips-protos.h (mips_emit_move): Declare.
6993         * config/mips/mips.c (mips_emit_move): New function.
6994         (mips_force_temporary): Use mips_emit_move instead of emit_move_insn.
6995         (mips_legitimize_const_move): Likewise.
6996         (mips_legitimize_move): Likewise.
6997         (mips_split_64bit_move): Likewise.
6998         (mips_restore_gp): Likewise.
6999         (mips_load_call_address): Likewise.
7000         (mips_emit_fcc_reload): Likewise.
7001         (mips_set_return_address): Likewise.
7002         (mips_block_move_straight): Likewise.
7003         (mips_block_move_loop): Likewise.
7004         (mips_setup_incoming_varargs): Likewise.
7005         (mips_save_reg): Likewise.
7006         (mips_expand_prologue): Likewise.
7007         (mips_restore_reg): Likewise.
7008         (mips_expand_epilogue): Likewise.
7009         (mips_output_mi_thunk): Likewise.
7010         (build_mips16_call_stub): Likewise.
7011         (mips_builtin_branch_and_move): Likewise.
7012         * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise.
7013         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
7014         (fixuns_truncdfdi2): Likewise.
7015         (fixuns_truncsfsi2): Likewise.
7016         (fixuns_truncsfdi2): Likewise.
7017         (loadgp_absolute): Likewise.
7018         (builtin_setjmp_setup): Likewise.
7019         (builtin_longjmp): Likewise.
7020         (untyped_call): Likewise.
7021
7022 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7023
7024         * config/mips/mips-protos.h (mips_split_symbol): Add a mode and
7025         an "rtx *" argument.  Return a bool.
7026         * config/mips/mips.c (mips_split_symbol): Accept arbitrary source
7027         values and return true if they can be split.  Take the same kind of
7028         mode argument as mips_symbol_insns.  Add a "lo_sum_out" parameter
7029         and store the lo_sum there if nonnull.  Use the symbol type to
7030         determine whether a $gp or HIGH is needed.
7031         (mips_legitimize_address): Update call to mips_split_symbol and
7032         simplify accordingly.
7033         (mips_legitimize_const_move): Likewise.
7034         * config/mips/mips.md: In the combine define_split,
7035         check mips_split_symbol instead of splittable_symbolic_operand.
7036         Update use of mips_split_symbol in the generator code.
7037         * config/mips/predicates.md (splittable_symbolic_operand): Delete.
7038
7039 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7040
7041         * config/mips/mips.c (mips_symbolic_address_p): Delete.
7042         (mips_symbol_insns_1): New function, split out from...
7043         (mips_symbol_insns): ...here.  Take a mode argument.  Treat loads
7044         and stores separately from load addresses.
7045         (mips_classify_address): Replace uses of mips_symbolic_address_p
7046         with uses of mips_symbol_insns.
7047         (mips_address_insns): Update calls to mips_symbol_insns.
7048         (mips_const_insns): Likewise.
7049         (mips_legitimize_address): Likewise.
7050
7051 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7052
7053         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type.
7054         * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS
7055         block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS.
7056         Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for
7057         non-call contexts if TARGET_MIPS16.
7058         (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM.
7059         (mips_symbolic_address_p): Likewise.  Remove special TARGET_MIPS16
7060         code for SYMBOL_ABSOLUTE.
7061         (mips_symbol_insns): Likewise.
7062
7063 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7064
7065         * config/mips/mips-protos.h (mips_symbol_context): New enumeration.
7066         * config/mips/mips.c (mips_classify_symbol): Take a context argument.
7067         (mips_symbolic_constant_p): Likewise.  Update the call to
7068         mips_classify_symbol.
7069         (mips_classify_address): Update the calls to mips_symbolic_constant_p.
7070         (mips_const_insns): Likewise.  Update the call to mips_classify_symbol.
7071         (mips_legitimize_address): Update the call to mips_symbolic_constant_p.
7072         (print_operand_reloc): Add a context argument.  Update the call to
7073         mips_symbolic_constant_p.
7074         (print_operand): Update the calls to print_operand_reloc.
7075         (print_operand_address): Use print_operand_reloc rather than
7076         print_operand.
7077         (mips_rewrite_small_data_p): Add a context argument.  Update the call
7078         to mips_symbolic_constant_p.
7079         (mips_small_data_pattern_1): Make DATA the containing mem.
7080         Update the call to mips_rewrite_small_data_p.
7081         (mips_rewrite_small_data_1): Likewise.
7082         (mips_use_anchors_for_symbol_p): Update the call to
7083         mips_symbolic_constant_p.
7084         * config/mips/predicates.md (const_call_insn_operand): Likewise.
7085         (splittable_symbolic_operand): Likewise.
7086         (move_operand): Likewise.
7087         (absolute_symbolic_operand): Likewise.
7088         (got_disp_operand): Likewise.
7089         (got_page_ofst_operand): Likewise.
7090
7091 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7092
7093         * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to...
7094         (SYMBOL_ABSOLUTE): ...this.
7095         (SYMBOL_SMALL_DATA): Rename to...
7096         (SYMBOL_GP_RELATIVE): ...this.
7097         (SYMBOL_CONSTANT_POOL): Rename to...
7098         (SYMBOL_PC_RELATIVE): ...this.
7099         * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p)
7100         (mips_symbolic_address_p, mips_symbol_insns, override_options)
7101         (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update
7102         after above changes.
7103         * config/mips/predicates.md (const_call_insn_operand): Likewise.
7104         (general_symbolic_operand): Rename to...
7105         (absolute_symbolic_operand): ...this.
7106         * config/mips/mips.md: Update after above changes.
7107
7108 2007-08-08  Vladimir Yanovsky  <yanov@il.ibm.com>
7109             Revital Eres  <eres@il.ibm.com>
7110
7111         * ddg.c (print_ddg): Add dump information.
7112         * modulo-sched.c (print_node_sched_params): Add parameter and
7113         verbosity.
7114         (calculate_maxii): Remove function.
7115         (undo_generate_reg_moves): Likewise.
7116         (undo_permute_partial_schedule): Likewise.
7117         (kernel_number_of_cycles): Likewise.
7118         (MAXII_FACTOR): New definition to calculate the upper bound of II.
7119         (sms_schedule): Use it.  Remove profitability checks.
7120         (sms_schedule_by_order): Fix order of nodes within the cycle.
7121
7122 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
7123
7124         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add
7125         -profile option, add pie support.
7126         (ENDFILE_SPEC): New spec.
7127         * config/gnu.h (LIB_SPEC): Add -profile option.
7128
7129 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
7130
7131         * config/i386/gnu.h (CPP_SPEC): Add -pthread option.
7132         * config/gnu.h (LIB_SPEC): Likewise.
7133
7134 2007-08-07  Yaz Saito  <saito@google.com>
7135             Ian Lance Taylor  <iant@google.com>
7136
7137         * common.opt (finstrument-functions-exclude-function-list): New
7138         option.
7139         (finstrument-functions-exclude-file-list): New option.
7140         * opts.c (char_p): Define and DEF_VEC.
7141         (flag_instrument_functions_exclude_functions): New static
7142         variable.
7143         (flag_instrument_functions_exclude_files): New static variable.
7144         (add_instrument_functions_exclude_list): New static function.
7145         (flag_instrument_functions_exclude_p): New function.
7146         (common_handle_option): Handle new options.
7147         * flags.h (flag_instrument_functions_exclude_p): Declare.
7148         * gimplify.c (gimplify_function_tree): Call
7149         flag_instrument_functions_exclude_p.
7150         * doc/invoke.texi (Option Summary): Mention new options.
7151         (Code Gen Options): Document new options.
7152
7153 2007-08-07  Ian Lance Taylor  <iant@google.com>
7154
7155         PR rtl-optimization/32776
7156         * lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
7157         (resolve_use): Likewise.
7158         (decompose_multiword_subregs): Remove "changed" local variable.
7159
7160 2007-08-07  Carlos O'Donell  <carlos@codesourcery.com>
7161
7162         * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.
7163         * configure: Regenerate.
7164         * config.in: Regenerate.
7165         * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options
7166         spec string.
7167
7168 2007-08-07  Ian Lance Taylor  <iant@google.com>
7169
7170         * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL
7171         note, just delete the insn.
7172
7173 2007-08-07  Andreas Schwab  <schwab@suse.de>
7174
7175         PR bootstrap/32973
7176         * gengtype-lex.l: Ignore backslash/newline pair while scanning a
7177         struct definition.
7178
7179 2007-08-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7180
7181         * lower-subreg.c (resolve_subreg_use): Remove assertion.
7182         (find_decomposable_shift_zext, resolve_shift_zext): New functions.
7183         (decompose_multiword_subregs): Use the functions above to decompose
7184         multiword shifts and zero-extends.
7185
7186 2007-08-07  Rask Ingemann Lambertsen  <rask@sygehus.dk>
7187
7188         * doc/sourcebuild.texi (Test Directives): Fix "compile" and
7189         "assemble" descriptions which were swapped.
7190
7191 2007-08-06  Chao-ying Fu  <fu@mips.com>
7192
7193         * fixed-value.h: New file.
7194         * fixed-value.c: New file.
7195         * Makefile.in (OBJS-common): Add fixed-value.o.
7196         (fixed-value.o): New rule.
7197         (GTFILES): Add fixed-value.h.
7198         * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT
7199         to compare a.low and b.low.
7200         * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef.
7201
7202 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7203             Daniel Jacobowitz  <dan@codesourcery.com>
7204
7205         PR target/31868
7206         * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to
7207         tmake_file.
7208         (x86_64-*-netbsd*): Likewise.
7209         (x86_64-*-linux*): Likewise.
7210         (x86_64-*-kfreebsd*-gnu): Likewise.
7211         (x86_64-*-knetbsd*-gnu): Likewise.
7212         (i[34567]86-*-solaris2.1[0-9]*): Likewise.
7213
7214         * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed.
7215
7216         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments.
7217         Add -fno-asynchronous-unwind-tables.
7218
7219         * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS).
7220         * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise.
7221         * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise.
7222         * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise.
7223         * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise.
7224
7225 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7226
7227         * config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
7228         (TARGET_C_MODE_FOR_SUFFIX): New.
7229
7230 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7231
7232         * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'.
7233
7234 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7235
7236         * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo.
7237
7238 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7239
7240         * config/i386/i386.md: Check TARGET_ macros and optimize_size
7241         before checking function returns in conditional expressions.
7242
7243 2007-08-06  Alfred Minarik  <a.minarik@aon.at>
7244
7245         PR pch/13676
7246         * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header.
7247
7248 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7249
7250         PR middle-end/32988
7251         * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check
7252         for INTEGRAL_TYPE_P.
7253
7254 2008-08-05  Paolo Bonzini  <bonzini@gnu.org>
7255
7256         * configure.ac: Remove --enable-checking=df from default settings.
7257         * tree-pass.h (TODO_df_verify): New.  Shift TODO_mark_first_instance.
7258         * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification
7259         if the parameter is true.
7260         (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the
7261         DF_VERIFY_SCHEDULED flag is true.
7262         * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED.
7263         (df_finish_pass): Adjust prototype.
7264         * passes.c (execute_todo): Schedule verification if TODO_df_verify is
7265         true.
7266
7267         * see.c (pass_see): Add TODO_df_verify.
7268         * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify.
7269         * global.c (rest_of_handle_global_alloc): Schedule verification
7270         after the pass.
7271         * local-alloc.c (rest_of_handle_local_alloc): Schedule verification
7272         before the pass.
7273         * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify.
7274         * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass.
7275         * loop-iv.c (iv_analysis_done): Schedule verification after the pass.
7276
7277         * config/sh/sh.c (sh_output_mi_thunk): Remove dead code.
7278         * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass.
7279         * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass.
7280
7281 2007-08-05  Vladimir Yanovsky  <yanov@il.ibm.com>
7282             Revital Eres <eres@il.ibm.com>
7283
7284         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new
7285         flag.
7286         * ddg.c (create_ddg_dependence): Rename to...
7287         (create_ddg_dep_from_intra_loop_link): This.  Do not check
7288         for interloop edges.  Do not create anti dependence edge when
7289         a true dependence edge exists in the opposite direction and
7290         -fmodulo-sched-allow-regmoves is set.
7291         (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link.
7292         (add_cross_iteration_register_deps): Create anti dependence edge
7293         when -fno-modulo-sched-allow-regmoves is set.
7294         * common.opt (-fmodulo-sched-allow-regmoves): New flag.
7295
7296 2007-08-04  Richard Sandiford  <richard@codesourcery.com>
7297
7298         * config/arm/arm.md (movsi): Add braces.
7299
7300 2007-08-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7301
7302         PR middle-end/32780
7303         * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of
7304         operands for the folding of "A - (A & B)" into "~B & A"; cast them
7305         to type.
7306
7307 2007-08-03  Zdenek Dvorak  <ook@ucw.cz>
7308
7309         * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops'
7310         state accessor functions.
7311         * cfgloopmanip.c (remove_path, create_preheaders,
7312         force_single_succ_latches, fix_loop_structure): Ditto.
7313         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7314         tree_duplicate_loop_to_header_edge): Ditto.
7315         * cfgloopanal.c (mark_irreducible_loops): Ditto.
7316         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
7317         Ditto.
7318         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
7319         cleanup_tree_cfg): Ditto.
7320         * tree-cfg.c (tree_merge_blocks): Ditto.
7321         * cfgloop.c (rescan_loop_exit, record_loop_exits,
7322         release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
7323         loop_preheader_edge, single_exit): Ditto.
7324         (flow_loops_find): Do not clear loops->state.
7325         * cfgloop.h (loops_state_satisfies_p, loops_state_set,
7326         loops_state_clear): New functions.
7327
7328 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7329
7330         PR middle-end/32399
7331         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
7332         when adding to the base and convert ELT to sizetype instead of type.
7333
7334 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7335
7336         PR middle-end/32304
7337         * ipa-reference.c (has_proper_scope_for_analysis): Return false when
7338         the decl's type has TYPE_NEEDS_CONSTRUCTING set.
7339
7340 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7341
7342         PR middle-end/32935
7343         * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the
7344          correct type the negate expression.
7345
7346 2007-08-03  Jan Hubicka  <jh@suse.cz>
7347
7348         * i386.c (setup_incoming_varargs_64): Tolerate 64bit preferred
7349         stack boundary.
7350
7351 2007-08-03  David Edelsohn  <edelsohn@gnu.org>
7352
7353         * config/rs6000/rs6000.c (struct processor_cost): Change
7354         l1_cache_lines to l1_cache_size.  Add l2_cache_size.
7355         (*_cost): Convert l1 cache information to kilobytes.  Add l2 cache
7356         information.
7357         (rios1_costs, rios2_cost): Correct cache line size.
7358         (rs6000_override_options): Set l2-cache-size parameter.
7359
7360 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7361             Diego Novillo  <dnovillo@google.com>
7362
7363         PR 31521
7364         * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
7365         if the range includes 0.
7366
7367 2007-08-03  Ben Elliston  <bje@au.ibm.com>
7368
7369         * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate
7370         mode to unspec expressions to silence a warning from the generator
7371         programs.
7372
7373 2007-08-02  Steve Ellcey  <sje@cup.hp.com>
7374
7375         * config/ia64/constraints.md ("U"): Make constraint vector only.
7376
7377 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7378
7379         PR middle-end/25446
7380         * c-objc-common.c (c_cannot_inline_tree_fn): Check for an
7381         always_inline attribute on the function decl.
7382
7383 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7384
7385         PR middle-end/25445
7386         * varasm.c (default_binds_local_p_1): Consult flag_whole_program
7387         if we are compiling with -fPIC.
7388
7389 2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
7390             Nigel Stephens  <nigel@mips.com>
7391
7392         * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
7393         Define for MIPS32 and MIPS64.
7394
7395 2007-08-02  Nick Clifton  <nickc@redhat.com>
7396
7397         * config/host-hpux.c: Change copyright header to refer to version
7398         3 of the GNU General Public License and to point readers at the
7399         COPYING3 file and the FSF's license web page.
7400         * config/alpha/predicates.md, config/alpha/vms-ld.c,
7401         config/alpha/linux.h, config/alpha/alpha.opt,
7402         config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h,
7403         config/alpha/vms-unwind.h, config/alpha/ev4.md,
7404         config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c,
7405         config/alpha/alpha.h, config/alpha/sync.md,
7406         config/alpha/openbsd.h, config/alpha/alpha.md,
7407         config/alpha/alpha-modes.def, config/alpha/ev5.md,
7408         config/alpha/alpha-protos.h, config/alpha/freebsd.h,
7409         config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h,
7410         config/alpha/constraints.md, config/alpha/osf.h,
7411         config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h,
7412         config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h,
7413         config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def,
7414         config/frv/frv-asm.h, config/frv/frv-protos.h,
7415         config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h,
7416         config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h,
7417         config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt,
7418         config/s390/2064.md, config/s390/2084.md, config/s390/s390.md,
7419         config/s390/s390.opt, config/s390/s390-modes.def,
7420         config/s390/fixdfdi.h, config/s390/constraints.md,
7421         config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h,
7422         config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md,
7423         config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md,
7424         config/m32c/m32c-pragma.c, config/m32c/m32c.h,
7425         config/m32c/prologue.md, config/m32c/m32c.abi,
7426         config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md,
7427         config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt,
7428         config/m32c/t-m32c, config/m32c/m32c-modes.def,
7429         config/m32c/jump.md, config/m32c/shift.md,
7430         config/m32c/m32c-protos.h, config/libgloss.h,
7431         config/spu/spu-protos.h, config/spu/predicates.md,
7432         config/spu/spu-builtins.h, config/spu/spu.c,
7433         config/spu/spu-builtins.def, config/spu/spu-builtins.md,
7434         config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md,
7435         config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt,
7436         config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h,
7437         config/sparc/hypersparc.md, config/sparc/predicates.md,
7438         config/sparc/linux.h, config/sparc/sp64-elf.h,
7439         config/sparc/supersparc.md, config/sparc/cypress.md,
7440         config/sparc/openbsd1-64.h, config/sparc/openbsd64.h,
7441         config/sparc/niagara.md, config/sparc/sparc.md,
7442         config/sparc/long-double-switch.opt, config/sparc/ultra3.md,
7443         config/sparc/sparc.opt, config/sparc/sync.md,
7444         config/sparc/sp-elf.h, config/sparc/sparc-protos.h,
7445         config/sparc/ultra1_2.md, config/sparc/biarch64.h,
7446         config/sparc/sparc.c, config/sparc/little-endian.opt,
7447         config/sparc/sysv4-only.h, config/sparc/sparc.h,
7448         config/sparc/linux64.h, config/sparc/freebsd.h,
7449         config/sparc/sol2.h, config/sparc/rtemself.h,
7450         config/sparc/netbsd-elf.h, config/sparc/vxworks.h,
7451         config/sparc/sparc-modes.def, config/sparc/sparclet.md,
7452         config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h,
7453         config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md,
7454         config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt,
7455         config/m32r/linux.h, config/m32r/constraints.md,
7456         config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt,
7457         config/darwin-c.c, config/darwin.opt, config/i386/i386.h,
7458         config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h,
7459         config/i386/i386.md, config/i386/netware-crt0.c,
7460         config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h,
7461         config/i386/kaos-i386.h, config/i386/winnt-stubs.c,
7462         config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h,
7463         config/i386/sol2.h, config/i386/constraints.md,
7464         config/i386/netware-libgcc.c, config/i386/sysv5.h,
7465         config/i386/predicates.md, config/i386/geode.md,
7466         config/i386/x86-64.h, config/i386/kfreebsd-gnu.h,
7467         config/i386/freebsd64.h, config/i386/vxworksae.h,
7468         config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h,
7469         config/i386/rtemself.h, config/i386/netbsd-elf.h,
7470         config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c,
7471         config/i386/netware.h, config/i386/i386-modes.def,
7472         config/i386/sysv4-cpp.h, config/i386/i386-interix.h,
7473         config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h,
7474         config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h,
7475         config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h,
7476         config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md,
7477         config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt,
7478         config/i386/xm-mingw32.h, config/i386/linux64.h,
7479         config/i386/openbsdelf.h, config/i386/xm-cygwin.h,
7480         config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h,
7481         config/i386/winnt-cxx.c, config/i386/i386-interix3.h,
7482         config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c,
7483         config/i386/cygwin2.c, config/i386/i386-protos.h,
7484         config/i386/sync.md, config/i386/openbsd.h,
7485         config/i386/host-mingw32.c, config/i386/i386-aout.h,
7486         config/i386/nto.h, config/i386/biarch64.h,
7487         config/i386/i386-coff.h, config/i386/freebsd.h,
7488         config/i386/driver-i386.c, config/i386/knetbsd-gnu.h,
7489         config/i386/host-i386-darwin.c, config/i386/vxworks.h,
7490         config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h,
7491         config/darwin-protos.h, config/linux.opt, config/sol2.c,
7492         config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h,
7493         config/sh/linux.h, config/sh/elf.h, config/sh/superh.h,
7494         config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h,
7495         config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h,
7496         config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md,
7497         config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h,
7498         config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c,
7499         config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def,
7500         config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md,
7501         config/sh/superh64.h, config/sh/rtemself.h,
7502         config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h,
7503         config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h,
7504         config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c,
7505         config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def,
7506         config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h,
7507         config/avr/predicates.md, config/avr/constraints.md,
7508         config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt,
7509         config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h,
7510         config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h,
7511         config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt,
7512         config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt,
7513         config/c4x/c4x-modes.def, config/c4x/rtems.h,
7514         config/c4x/predicates.md, config/c4x/c4x.h,
7515         config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h,
7516         config/xtensa/predicates.md, config/xtensa/xtensa.c,
7517         config/xtensa/linux.h, config/xtensa/xtensa.h,
7518         config/xtensa/elf.h, config/xtensa/xtensa.md,
7519         config/xtensa/xtensa.opt, config/xtensa/constraints.md,
7520         config/xtensa/xtensa-protos.h, config/dbx.h,
7521         config/stormy16/predicates.md, config/stormy16/stormy16.md,
7522         config/stormy16/stormy16.c, config/stormy16/stormy16.opt,
7523         config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h,
7524         config/host-solaris.c, config/fr30/fr30.h,
7525         config/fr30/predicates.md, config/fr30/fr30-protos.h,
7526         config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt,
7527         config/vxworksae.h, config/sol2-c.c, config/lynx.h,
7528         config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md,
7529         config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c,
7530         config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h,
7531         config/m68hc11/m68hc12.h, config/openbsd-oldgas.h,
7532         config/host-linux.c, config/interix3.h, config/cris/cris.c,
7533         config/cris/predicates.md, config/cris/linux.h,
7534         config/cris/cris.h, config/cris/aout.h, config/cris/cris.md,
7535         config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt,
7536         config/cris/aout.opt, config/cris/cris-protos.h,
7537         config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h,
7538         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7539         config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md,
7540         config/iq2000/iq2000.c, config/iq2000/iq2000.opt,
7541         config/host-darwin.c, config/mt/mt.md, config/mt/mt.c,
7542         config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h,
7543         config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h,
7544         config/chorus.h, config/mn10300/mn10300.c,
7545         config/mn10300/mn10300.opt, config/mn10300/predicates.md,
7546         config/mn10300/mn10300.h, config/mn10300/linux.h,
7547         config/mn10300/constraints.md, config/mn10300/mn10300-protos.h,
7548         config/mn10300/mn10300.md, config/ia64/predicates.md,
7549         config/ia64/itanium1.md, config/ia64/unwind-ia64.h,
7550         config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c,
7551         config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md,
7552         config/ia64/freebsd.h, config/ia64/ia64.md,
7553         config/ia64/ia64-modes.def, config/ia64/constraints.md,
7554         config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h,
7555         config/gofast.h, config/rtems.h, config/sol2-10.h,
7556         config/m68k/predicates.md, config/m68k/m68k.md,
7557         config/m68k/linux.h, config/m68k/m68k-modes.def,
7558         config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h,
7559         config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt,
7560         config/m68k/openbsd.h, config/m68k/m68k-aout.h,
7561         config/m68k/m68k.opt, config/m68k/m68020-elf.h,
7562         config/m68k/m68kelf.h, config/m68k/m68k-devices.def,
7563         config/m68k/uclinux-oldabi.h, config/m68k/m68k.c,
7564         config/m68k/constraints.md, config/m68k/rtemself.h,
7565         config/m68k/netbsd-elf.h, config/m68k/m68k.h,
7566         config/m68k/uclinux.h, config/rs6000/power4.md,
7567         config/rs6000/host-darwin.c, config/rs6000/6xx.md,
7568         config/rs6000/linux.h, config/rs6000/eabi.h,
7569         config/rs6000/aix41.opt, config/rs6000/xcoff.h,
7570         config/rs6000/secureplt.h, config/rs6000/linuxspe.h,
7571         config/rs6000/eabialtivec.h, config/rs6000/8540.md,
7572         config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h,
7573         config/rs6000/windiss.h, config/rs6000/603.md,
7574         config/rs6000/aix41.h, config/rs6000/cell.md,
7575         config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h,
7576         config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt,
7577         config/rs6000/darwin.md, config/rs6000/darwin64.h,
7578         config/rs6000/default64.h, config/rs6000/7xx.md,
7579         config/rs6000/darwin.opt, config/rs6000/spe.md,
7580         config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c,
7581         config/rs6000/rios2.md, config/rs6000/linuxaltivec.h,
7582         config/rs6000/7450.md, config/rs6000/linux64.h,
7583         config/rs6000/constraints.md, config/rs6000/440.md,
7584         config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c,
7585         config/rs6000/rs6000.c, config/rs6000/aix52.h,
7586         config/rs6000/rs6000.h, config/rs6000/power6.md,
7587         config/rs6000/predicates.md, config/rs6000/altivec.md,
7588         config/rs6000/aix64.opt, config/rs6000/rios1.md,
7589         config/rs6000/rs6000-modes.def, config/rs6000/rs64.md,
7590         config/rs6000/eabisim.h, config/rs6000/sysv4le.h,
7591         config/rs6000/darwin7.h, config/rs6000/dfp.md,
7592         config/rs6000/linux64.opt, config/rs6000/sync.md,
7593         config/rs6000/vxworksae.h, config/rs6000/power5.md,
7594         config/rs6000/lynx.h, config/rs6000/biarch64.h,
7595         config/rs6000/rs6000.md, config/rs6000/sysv4.opt,
7596         config/rs6000/eabispe.h, config/rs6000/e500.h,
7597         config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h,
7598         config/rs6000/netbsd.h, config/rs6000/e500-double.h,
7599         config/rs6000/aix.h, config/rs6000/vxworks.h,
7600         config/rs6000/40x.md, config/rs6000/aix51.h,
7601         config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md,
7602         config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def,
7603         config/arc/arc.h, config/mcore/mcore-elf.h,
7604         config/mcore/mcore-protos.h, config/mcore/predicates.md,
7605         config/mcore/mcore.md, config/mcore/mcore.c,
7606         config/mcore/mcore.opt, config/mcore/mcore.h,
7607         config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h,
7608         config/score/predicates.md, config/score/score-version.h,
7609         config/score/score-protos.h, config/score/misc.md,
7610         config/score/elf.h, config/score/score.c, config/score/mac.md,
7611         config/score/score7.md, config/score/score.h,
7612         config/score/score-conv.h, config/score/score-mdaux.c,
7613         config/score/score.md, config/score/score.opt,
7614         config/score/score-modes.def, config/score/score-mdaux.h,
7615         config/score/mul-div.S, config/arm/uclinux-elf.h,
7616         config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md,
7617         config/arm/symbian.h, config/arm/linux-elf.h,
7618         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
7619         config/arm/elf.h, config/arm/aout.h, config/arm/arm.c,
7620         config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h,
7621         config/arm/strongarm-pe.h, config/arm/arm.h,
7622         config/arm/cortex-a8-neon.md, config/arm/semiaof.h,
7623         config/arm/cortex-a8.md, config/arm/uclinux-eabi.h,
7624         config/arm/arm-modes.def, config/arm/linux-eabi.h,
7625         config/arm/rtems-elf.h, config/arm/neon-schedgen.ml,
7626         config/arm/arm-cores.def, config/arm/arm-protos.h,
7627         config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h,
7628         config/arm/wince-pe.h, config/arm/neon.md,
7629         config/arm/constraints.md, config/arm/neon.ml,
7630         config/arm/xscale-elf.h, config/arm/strongarm-coff.h,
7631         config/arm/arm.opt, config/arm/arm926ejs.md,
7632         config/arm/predicates.md, config/arm/iwmmxt.md,
7633         config/arm/arm_neon.h, config/arm/unknown-elf.h,
7634         config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt,
7635         config/arm/neon-testgen.ml, config/arm/arm.md,
7636         config/arm/xscale-coff.h, config/arm/pe.c,
7637         config/arm/arm-generic.md, config/arm/pe.h,
7638         config/arm/kaos-strongarm.h, config/arm/freebsd.h,
7639         config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md,
7640         config/arm/strongarm-elf.h, config/arm/cirrus.md,
7641         config/arm/netbsd-elf.h, config/arm/vxworks.h,
7642         config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c,
7643         config/pa/predicates.md, config/pa/pa64-hpux.h,
7644         config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt,
7645         config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h,
7646         config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h,
7647         config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h,
7648         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
7649         config/pa/pa-hpux1010.h, config/pa/pa-protos.h,
7650         config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h,
7651         config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h,
7652         config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt,
7653         config/pa/pa64-regs.h, config/pa/pa-modes.def,
7654         config/pa/constraints.md, config/darwin9.h, config/mips/4100.md,
7655         config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h,
7656         config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h,
7657         config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md,
7658         config/mips/7000.md, config/mips/9000.md, config/mips/4600.md,
7659         config/mips/linux64.h, config/mips/elforion.h,
7660         config/mips/constraints.md, config/mips/generic.md,
7661         config/mips/predicates.md, config/mips/4300.md,
7662         config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md,
7663         config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md,
7664         config/mips/5k.md, config/mips/vr4120-div.S,
7665         config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md,
7666         config/mips/mips-protos.h, config/mips/6000.md,
7667         config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h,
7668         config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h,
7669         config/mips/mips-modes.def, config/mips/vr.h,
7670         config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h,
7671         config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h,
7672         config/vax/vax.h, config/vax/elf.h, config/vax/vax.md,
7673         config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def,
7674         config/vax/openbsd1.h, config/vax/netbsd.h,
7675         config/vax/vax-protos.h, config/vax/netbsd-elf.h,
7676         config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h,
7677         config/h8300/rtems.h, config/h8300/predicates.md,
7678         config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h,
7679         config/h8300/h8300.md, config/h8300/h8300.opt,
7680         config/h8300/coff.h, config/h8300/h8300-protos.h,
7681         config/v850/v850.md, config/v850/predicates.md,
7682         config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt,
7683         config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c,
7684         config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h,
7685         config/mmix/mmix.h, config/mmix/predicates.md,
7686         config/mmix/mmix-protos.h, config/mmix/mmix.md,
7687         config/mmix/mmix.c, config/mmix/mmix.opt,
7688         config/mmix/mmix-modes.def, config/bfin/bfin.opt,
7689         config/bfin/rtems.h, config/bfin/bfin-modes.def,
7690         config/bfin/predicates.md, config/bfin/bfin-protos.h,
7691         config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md:
7692         Likewise.
7693
7694 2007-08-02  Richard Sandiford  <richard@codesourcery.com>
7695
7696         * emit-rtl.c (reset_used_decls): Rename to...
7697         (set_used_decls): ...this.  Set the used flag rather than clearing it.
7698         (unshare_all_rtl_again): Update accordingly.  Set flags on argument
7699         DECL_RTLs rather than resetting them.
7700
7701 2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>
7702
7703         * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
7704
7705 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7706
7707         * reload.c (find_reloads_address_part): Pass correct MEMREFLOC
7708         argument to find_reloads_address.
7709
7710 2007-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
7711
7712         PR tree-optimization/32919
7713         * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs.
7714         * tree-ssa-coalesce.c (ssa_conflicts_dump): New.
7715         (coalesce_ssa_name): Call it.
7716
7717 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7718             David Ung  <davidu@mips.com>
7719
7720         * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
7721         (__mips16_unorddf2, __mips16_floatunsidf): New.
7722         * config/mips/mips.c (mips_init_libfuncs): Add optab entries for
7723         above functions.
7724         * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions.
7725
7726 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7727
7728         * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH.
7729         Display new operands of OMP_SECTIONS and OMP_CONTINUE.
7730         * tree.h (OMP_SECTIONS_CONTROL): New macro.
7731         (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH.
7732         * omp-low.c (get_ws_args_for, determine_parallel_type,
7733         expand_omp_for_generic, expand_omp_for_static_nochunk,
7734         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
7735         Work with more precise CFG.
7736         (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH.
7737         (lower_omp_sections): Emit OMP_SECTIONS_SWITCH.  Add arguments to
7738         OMP_CONTINUE.
7739         * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH.
7740         * gimple-low.c (lower_stmt): Ditto.
7741         * tree-inline.c (estimate_num_insns_1): Ditto.
7742         * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands.
7743         (OMP_SECTIONS_SWITCH): New.
7744         * tree-cfgcleanup.c (cleanup_omp_return): New.
7745         (cleanup_tree_cfg_bb): Call cleanup_omp_return.
7746         * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE
7747         and exit edge for OMP_FOR.  Handle OMP_SECTIONS_SWITCH.
7748         (tree_redirect_edge_and_branch): Handle omp constructs.
7749
7750         * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS
7751         with three arguments.
7752
7753 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7754
7755         * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only
7756         in loop closed ssa.
7757
7758 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7759
7760         * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that
7761         the loop structures may need fixing.
7762         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
7763         New functions.
7764         (cleanup_tree_cfg_loop): Removed.
7765         (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures.
7766         * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg
7767         instead of running cleanup_tree_cfg_loop.
7768         * cfgloop.h (LOOPS_NEED_FIXUP): New constant.
7769         * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed.
7770         (tree_predictive_commoning): Declaration changed.
7771         * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop.
7772
7773 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7774
7775         * doc/invoke.texi (l1-cache-size): Update documentation.
7776         (l2-cache-size): Document.
7777         * params.h (L2_CACHE_SIZE): New macro.
7778         * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
7779         that L1_CACHE_SIZE is in kB now.
7780         (L2_CACHE_SIZE_BYTES): New macro.
7781         (tree_ssa_prefetch_arrays): Show size in kB.
7782         * config/i386/i386.h (struct processor_costs): Add l1_cache_size
7783         and l2_cache_size fields.
7784         * config/i386/driver-i386.c (describe_cache): Detect cache size
7785         in kB.
7786         * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
7787         pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
7788         amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
7789         generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
7790         (override_options): Set l1-cache-size and l2-cache-size to default
7791         values if not specified otherwise.
7792         * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
7793         (PARAM_L2_CACHE_SIZE): New.
7794
7795 2007-08-01  Nigel Stephens  <nigel@mips.com>
7796             David Ung  <davidu@mips.com>
7797             Thiemo Seufer  <ths@mips.com>
7798             Chris Dearman  <chris@mips.com>
7799             Richard Sandiford  <richard@codesourcery.com>
7800
7801         * config.gcc (mips*-sde-elf*): New stanza.
7802         (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
7803         (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
7804         (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*)
7805         (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*)
7806         (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss)
7807         (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16
7808         to tmake_file.
7809         * config/mips/sde.h: New file.
7810         * config/mips/t-libgcc-mips16: Likewise.
7811         * config/mips/t-sde: Likewise.
7812         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings
7813         of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR,
7814         _MIPS_FPSET and _MIPS_SZINT.
7815         * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise.
7816         * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate
7817         insertion of a default -mips option.  Use MIPS_32BIT_OPTION_SPEC.
7818         * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete.
7819         * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7820         * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7821         * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32,
7822         _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG,
7823         _MIPS_SZPTR and _MIPS_FPSET.
7824         (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no
7825         architecture is specified.
7826         (MIPS_32BIT_OPTION_SPEC): New macro.
7827
7828 2007-07-31  Dan Hipschman  <dsh@google.com>
7829
7830         * gcc.c (end_going_arg): New function.
7831         (do_spec_2): Use it.
7832         (do_spec_1): Use it.
7833
7834 2007-07-31  H.J. Lu  <hongjiu.lu@intel.com>
7835
7836         * ddg.c (add_cross_iteration_register_deps): Declare bb_info
7837         only if ENABLE_CHECKING is defined.
7838
7839 2007-07-31  Kenneth Zadeck <zadeck@naturalbridge.com>
7840
7841         * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru,
7842         df_ru_add_problem, df_ru_get_bb_info): Removed.
7843         (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered.
7844         * df-problems.c (df_ru_problem_data, df_ru_set_bb_info,
7845         df_ru_free_bb_info, df_ru_alloc,
7846         df_ru_bb_local_compute_process_def,
7847         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7848         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7849         df_ru_transfer_function, df_ru_free, df_ru_start_dump,
7850         df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU,
7851         df_ru_add_problem): Removed.
7852
7853 2007-07-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7854
7855         PR target/32847
7856         * pa.md (casesi32): Use match_scratch.  Revise insn condition.
7857         (casesi32p, casesi64p): Likewise.
7858         (casesi): Adjust for above.
7859
7860 2007-07-31  Richard Sandiford  <richard@codesourcery.com>
7861
7862         * mode-switching.c (create_pre_exit): Don't search past calls.
7863
7864 2007-07-31  Sandra Loosemore  <sandra@codesourcery.com>
7865
7866         * config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
7867
7868 2007-07-31  Revital Eres  <eres@il.ibm.com>
7869
7870         * ddg.c (add_deps_for_def): Rename to...
7871         (add_cross_iteration_register_deps): This.  Change implementation
7872         to use only reaching def and def-use chains to construct the
7873         inter loop dependencies.
7874         (add_deps_for_use): Remove function.
7875         (build_inter_loop_deps): Call add_cross_iteration_register_deps
7876         function to build the inter loop dependencies.
7877         * modulo-sched.c (sms_schedule): Build only
7878         reaching def and def-use chains for the propose of the ddg
7879         construction.
7880
7881 2007-07-31  Julian Brown  <julian@codesourcery.com>
7882
7883         * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal):
7884         New define_insns. Use correct RTL.
7885         (vec_set<mode>): Write as expander.
7886
7887 2007-07-31  Razya Ladelsky  <razya@il.ibm.com>
7888
7889         * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring
7890         to an unallocated space.
7891
7892 2007-07-30  Jan Sjodin  <jan.sjodin@amd.com>
7893
7894         * tree-data-ref.c
7895         (split_constant_offset): Enable split_constant_offset to extract
7896         constants from other statements.
7897         * tree-vect-transform.c
7898         (vect_create_addr_base_for_vector_ref): Generate data_ref_base
7899         to a temp var. Force base_offset to be simple.
7900
7901 2007-07-30  Seongbae Park <seongbae.park@gmail.com>
7902
7903         * df-scan.c (df_scan_verify): Remove artificial limit on
7904         the number of blocks for verification.
7905         * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
7906         df_simulate_defs): Avoid unnecessary insn checking for defs.
7907
7908 2007-07-29  Mark Mitchell  <mark@codesourcery.com>
7909
7910         * config/m68k/lb1sf68.asm (FUNC): New macro.
7911         (__mulsi3): Use it.
7912         (__udivsi3): Likewise.
7913         (__divsi3): Likewise.
7914         (__umodsi3): Likewise.
7915         (__modsi3): Likewise.
7916         (__subdf3): Likewise.
7917         (__adddf3): Likewise.
7918         (__muldf3): Likewise.
7919         (__divdf3): Likewise.
7920         (__negdf2): Likewise.
7921         (__cmpdf2): Likewise.
7922         (__subsf3): Likewise.
7923         (__addsf3): Likewise.
7924         (__mulsf3): Likewise.
7925         (__divsf3): Likewise.
7926         (__negsf2): Likewise.
7927         (__cmpsf2): Likewise.
7928         (__eqdf2): Likewise.
7929         (__nedf2): Likewise.
7930         (__gtdf2): Likewise.
7931         (__gedf2): Likewise.
7932         (__ltdf2): Likewise.
7933         (__ledf2): Likewise.
7934         (__eqsf2): Likewise.
7935         (__nesf2): Likewise.
7936         (__gtsf2): Likewise.
7937         (__gesf2): Likewise.
7938         (__ltsf2): Likewise.
7939         (__lesf2): Likewise.
7940
7941 2007-07-30  Ollie Wild  <aaw@google.com>
7942
7943         * c-ppoutput.c (print_lines_directives_only): New function.
7944         (scan_translation_unit_directives_only): New function.
7945         (preprocess_file): Add call to scan_translation_unit_directives_only.
7946         * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
7947         (sanitize_cpp_opts): Add default flag_dump_macros setting for
7948         -fdirectives-only.  Add errors for -fdirectives-only conflict with
7949         -Wunused-macros and -traditional.
7950         (finish_options): Add builtin macro initialization for
7951         -fdirectives-only + -fpreprocessed.
7952         * c.opt (fdirectives-only): New.
7953         * doc/cppopts.texi (fdirectives-only): New.
7954
7955 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7956
7957         * alias.c (record_set, memory_modified_1): Constify.
7958         * bt-load.c (note_btr_set): Likewise.
7959         * caller-save.c (mark_set_regs, add_stored_regs): Likewise.
7960         * combine.c (set_nonzero_bits_and_sign_copies,
7961         expand_field_assignment, record_dead_and_set_regs_1,
7962         use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
7963         likely_spilled_retval_1): Likewise.
7964         * config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
7965         frv_io_handle_set): Likewise.
7966         * config/mips/mips.c (mips_sim_record_set,
7967         vr4130_true_reg_dependence_p_1): Likewise.
7968         * config/mt/mt.c (insn_dependent_p_1): Likewise.
7969         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
7970         * config/sh/sh.c (flow_dependent_p_1): Likewise.
7971         * cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
7972         * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
7973         * ddg.c (mark_mem_store): Likewise.
7974         * df-problems.c (df_urec_mark_reg_change): Likewise.
7975         * function.c (update_epilogue_consts): Likewise.
7976         * gcse.c (record_set_info, record_last_set_info,
7977         mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
7978         reg_clear_last_set): Likewise.
7979         * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
7980         Likewise.
7981         * jump.c (reversed_comparison_code_parts): Likewise.
7982         * local-alloc.c (validate_equiv_mem_from_store, no_equiv,
7983         reg_is_set): Likewise.
7984         * loop-iv.c (mark_altered): Likewise.
7985         * mode-switching.c (reg_becomes_live): Likewise.
7986         * optabs.c (no_conflict_move_test): Likewise.
7987         * postreload-gcse.c (record_last_set_info, find_mem_conflicts):
7988         Likewise.
7989         * postreload.c (reload_combine_note_store, move2add_note_store):
7990         Likewise.
7991         * regmove.c (flags_set_1): Likewise.
7992         * regrename.c (note_sets, kill_clobbered_value, kill_set_value):
7993         Likewise.
7994         * reload1.c (mark_not_eliminable, forget_old_reloads_1):
7995         Likewise.
7996         * resource.c (update_live_status): Likewise.
7997         * rtl.h (set_of, note_stores): Likewise.
7998         * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
7999         note_stores, parms_set): Likewise.
8000         * sched-rgn.c (sets_likely_spilled_1): Likewise.
8001         * stack-ptr-mod.c (notice_stack_pointer_modification_1):
8002         Likewise.
8003         * var-tracking.c (count_stores, add_stores): Likewise.
8004
8005 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8006
8007         * alias.c (mems_in_disjoint_alias_sets_p,
8008         fixed_scalar_and_varying_struct_p, aliases_everything_p,
8009         nonoverlapping_component_refs_p, nonoverlapping_memrefs_p,
8010         write_dependence_p, mems_in_disjoint_alias_sets_p,
8011         read_dependence, true_dependence, canon_true_dependence,
8012         anti_dependence, output_dependence): Constify.
8013         * combine.c (extended_count): Likewise.
8014         * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise.
8015         * cselib.c (get_value_hash, references_value_p,
8016         cselib_reg_set_mode, cselib_rtx_varies_p): Likewise.
8017         * cselib.h (cselib_reg_set_mode, references_value_p): Likewise.
8018         * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise.
8019         * function.c (contains, prologue_epilogue_contains,
8020         sibcall_epilogue_contains): Likewise.
8021         * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p,
8022         pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p,
8023         only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum,
8024         reg_or_subregno): Likewise.
8025         * recog.c (asm_noperands): Likewise.
8026         * reload1.c (function_invariant_p): Likewise.
8027         * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p,
8028         rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx,
8029         condjump_p, any_condjump_p, any_uncondjump_p, pc_set,
8030         simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p,
8031         true_regnum, reg_or_subregno, condjump_in_parallel_p,
8032         extended_count, prologue_epilogue_contains,
8033         sibcall_epilogue_contains, function_invariant_p, true_dependence,
8034         canon_true_dependence, read_dependence, anti_dependence,
8035         output_dependence): Likewise.
8036         * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise.
8037
8038 2007-07-30  Julian Brown  <julian@codesourcery.com>
8039
8040         * config/arm/neon.md (V_ext): New mode attribute.
8041         (neon_vget_lane<mode>): Replace with define_expand.
8042         (neon_vget_lane<mode>_sext_internal)
8043         (neon_vget_lane<mode>_zext_internal): New define_insns for double
8044         and quad precision vectors.
8045         (neon_vget_lanedi): Add bounds check. Remove dead comment.
8046         * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics
8047         have typeless 32-bit result.
8048
8049 2007-07-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8050
8051         PR tree-opt/32527
8052         * tree-affine.h (aff_tree): The type of rest is sizetype for types
8053         of pointers.
8054         * tree-affine.c (aff_combination_scale): If type is a pointer type,
8055         use sizetype for rest.
8056         (aff_combination_add_elt): Likewise. Don't specialize pointer types.
8057         (aff_combination_convert): Don't convert rest for pointer types.
8058
8059 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
8060
8061         * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
8062
8063         * tree-ssa-alias.c: Add alloc-pool.h.
8064         (init_alias_info): Free alias_bitmap_obstack.
8065         (delete_alias_info): Call delete_mem_ref_stats.
8066         (get_mem_sym_stats_for): Use alloc_pool.
8067         (init_mem_ref_stats): Do not delete mem_ref_stats here.
8068         (delete_mem_sym_stats): Removed.
8069
8070 2007-07-29  Sebastian Pop  <sebpop@gmail.com>
8071
8072         * tree-data-ref.c (add_multivariate_self_dist): Parametric access
8073         functions cannot be represented as classical distance vectors.
8074
8075 2007-07-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8076
8077         * attribs.c (hash_attr, eq_attr, init_attributes): Constify.
8078         * builtins.c (validate_arg, builtin_mathfn_code,
8079         validate_arglist): Likewise.
8080         * calls.c (call_expr_flags): Likewise.
8081         * combine.c (reg_nonzero_bits_for_combine,
8082         reg_num_sign_bit_copies_for_combine, get_last_value,
8083         reg_truncated_to_mode): Likewise.
8084         * emit-rtl.c (subreg_lowpart_p): Likewise.
8085         * expr.c (highest_pow2_factor_for_target,
8086         categorize_ctor_elements_1, categorize_ctor_elements,
8087         count_type_elements, contains_packed_reference,
8088         highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
8089         * fold-const.c (may_negate_without_overflow_p, int_const_binop,
8090         fold_convertible_p, operand_equal_p, tree_swap_operands_p,
8091         native_encode_int, native_encode_real, native_encode_complex,
8092         native_encode_vector, native_encode_expr, native_interpret_int,
8093         native_interpret_real, native_interpret_complex,
8094         native_interpret_vector, native_interpret_expr): Likewise.
8095         * function.c (use_register_for_decl): Likewise.
8096         * gimplify.c (get_name): Likewise.
8097         * langhooks-def.h (lhd_return_null_const_tree): New.
8098         (LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
8099         * langhooks.c (lhd_return_null_const_tree): New.
8100         * langhooks.h (lang_get_callee_fndecl): Constify.
8101         * output.h (constructor_static_from_elts_p): Likewise.
8102         * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
8103         * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
8104         subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
8105         * rtlanal.c (cached_nonzero_bits, nonzero_bits1,
8106         cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
8107         nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
8108         * rtlhooks-def.h (reg_nonzero_bits_general,
8109         reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
8110         Likewise.
8111         * rtlhooks.c (reg_num_sign_bit_copies_general,
8112         reg_nonzero_bits_general, reg_truncated_to_mode_general):
8113         Likewise.
8114         * stmt.c (warn_if_unused_value, is_body_block): Likewise.
8115         * stor-layout.c (mode_for_size_tree): Likewise.
8116         * tree-ssa-loop-im.c (memref_eq): Likewise.
8117         * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
8118         * tree.c (contains_placeholder_p, type_list_equal,
8119         simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
8120         Likewise.
8121         * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
8122         mode_for_size_tree, categorize_ctor_elements, count_type_elements,
8123         contains_placeholder_p, contains_packed_reference,
8124         get_callee_fndecl, operand_equal_for_phi_arg_p,
8125         warn_if_unused_value, is_body_block, native_encode_expr,
8126         native_interpret_expr, fold_convertible_p, operand_equal_p,
8127         int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
8128         validate_arglist, simple_cst_equal, type_list_equal,
8129         use_register_for_decl, call_expr_flags, get_name,
8130         highest_pow2_factor): Likewise.
8131         (const_call_expr_arg_iterator_d,
8132         init_const_call_expr_arg_iterator, next_const_call_expr_arg,
8133         first_const_call_expr_arg, more_const_call_expr_args_p,
8134         FOR_EACH_CONST_CALL_EXPR_ARG): New.
8135         * varasm.c (constructor_static_from_elts_p): Constify.
8136
8137 2007-07-28  Kazu Hirata  <kazu@codesourcery.com>
8138
8139         * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md,
8140         config/arm/neon-schedgen.ml, config/arm/neon.ml,
8141         config/arm/vec-common.md, config/ia64/div.md, cselib.c,
8142         df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c,
8143         regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c,
8144         tree-vect-transform.c, tree.def: Fix comment typos.  Follow
8145         spelling conventions.
8146         * doc/invoke.texi: Follow spelling conventions.
8147
8148 2007-07-29  Vladimir Yanovsky  <yanov@il.ibm.com>
8149             Revital Eres  <eres@il.ibm.com>
8150
8151         * modulo-sched.c (sms_schedule): Avoid loops which includes
8152         auto-increment instructions.
8153
8154 2007-07-28  Richard Guenther  <rguenther@suse.de>
8155
8156         PR middle-end/32920
8157         * fold-const.c (fold_cond_expr_with_comparison): Convert
8158         operand zero of MIN/MAX_EXPR to correct type.
8159
8160 2007-07-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8161
8162         * calls.c (special_function_p, setjmp_call_p, alloca_call_p,
8163         flags_from_decl_or_type): Constify.
8164         * gcc.c (do_spec_1): Likewise.
8165         * print-tree.c (dump_addr, print_node_brief): Likewise.
8166         * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p,
8167         simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p,
8168         tree_purge_all_dead_eh_edges): Likewise.
8169         * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p,
8170         tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges):
8171         Likewise.
8172         * tree.c (expr_location, expr_has_location, expr_locus,
8173         expr_filename, expr_lineno, get_inner_array_type,
8174         fields_compatible_p): Likewise.
8175         * tree.h (get_inner_array_type, fields_compatible_p,
8176         expr_location, expr_has_location, expr_locus, expr_filename,
8177         expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type,
8178         setjmp_call_p, alloca_call_p): Likewise.
8179
8180 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
8181
8182         * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE,
8183         TV_FLOW_INSENSITIVE.
8184
8185         * tree-ssa-alias.c (compute_call_clobbered): Push/pop
8186         TV_CALL_CLOBBER.
8187         (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE.
8188         (compute_flow_insensitive_aliasing): Ditto for
8189         TV_FLOW_INSENSITIVE.
8190
8191 2007-07-27  Jan Hubicka  <jh@suse.cz>
8192
8193         * config/i386/i386.c (register_move_cost): Remove accidentally
8194         comitted #if 0 block.
8195
8196         * attribs.c: Include hashtab.h
8197         (attribute_hash): New.
8198         (substring): New structure.
8199         (extract_attribute_substring, substring_hash, hash_attr, eq_attr):
8200         New function.
8201         (init_attributes): Initialize attribute hash.
8202         (decl_attributes): Use attribute hash.
8203         * Makefile.in (attribs.c): Depend on hashtab.h.
8204
8205 2007-07-27  Steve Ellcey  <sje@cup.hp.com>
8206
8207         * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test.
8208
8209 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8210
8211         * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp,
8212         __mips_dspr2 and __mips_dsp_rev macros.
8213         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev.
8214
8215 2007-07-27  Douglas Gregor  <doug.gregor@gmail.com>
8216
8217        * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
8218
8219 2007-07-26  Kenneth Zadeck <zadeck@naturalbridge.com>
8220
8221         PR middle-end/32749
8222
8223         * df-problems.c (df_create_unused_note): Removed do_not_gen parm
8224         and the updating of the live and do_not_gen sets.
8225         (df_note_bb_compute): Added updating of live and do_not_gen sets
8226         for regular defs so that the case of clobber inside conditional
8227         call is processed correctly.
8228
8229 2007-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8230
8231         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the
8232         operands with compatible type.
8233
8234 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8235
8236         * expr.h (store_bit_field): Don't return a value.
8237         * expmed.c (check_predicate_volatile_ok): New function.
8238         (store_bit_field_1): New function, extracted from store_bit_field.
8239         Take a fallback_p argument and return true if the operation succeeded.
8240         Only use store_fixed_bit_field if fallback_p.  Don't recompute
8241         mode_for_extraction; use op_mode instead.  Try forcing memories
8242         into registers if the insv expander fails.
8243         (store_bit_field): Use store_bit_field_1 with fallback_p true.
8244         Don't return a value.
8245         (convert_extracted_bit_field): New function, extracted from
8246         store_bit_field.
8247         (extract_bit_field_1): Likewise.  Take a fallback_p argument
8248         and return NULL if the operation succeeded.  Only use
8249         extract_fixed_bit_field if fallback_p.  Only calculate one
8250         extraction mode.  Combine code for extv and extzv.  Try forcing
8251         memories into registers if the ext(z)v expander fails.
8252         (extract_bit_field): Use extract_bit_field_1 with fallback_p true.
8253
8254 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8255
8256         * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags
8257         into bitfields.
8258         (df_ref): Likewise.  Put regno with other integer fields.
8259
8260 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8261
8262         * df.h (df_mw_hardreg): Remove "loc" field.
8263         * df-scan.c (df_ref_record): Don't set it.  Remove redundant
8264         local variable.
8265         * df-problems.c (df_whole_mw_reg_unused_p): New function,
8266         split out from df_set_unused_notes_for_mw.  Return false for
8267         partial references.  Assert that mw_reg is a REG when returning true.
8268         (df_set_unused_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8269         (df_whole_mw_reg_dead_p): New function, split out from
8270         df_set_dead_notes_for_mw.  Return false for partial references.
8271         Assert that mw_reg is a REG when returning true.
8272         (df_set_dead_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8273         Remove redundant bitmap check.
8274
8275 2007-07-26  H.J. Lu  <hongjiu.lu@intel.com>
8276
8277         * config/ia64/t-ia64 ($(T)crtbegin.o): Removed.
8278         ($(T)crtend.o): Likwise.
8279         ($(T)crtbeginS.o): Likwise.
8280         ($(T)crtendS.o): Likwise.
8281         ($(T)crtfastmath.o): Likwise.
8282
8283 2007-07-26  Zdenek Dvorak  <dvorakz@suse.cz>
8284
8285         * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed.
8286         * function.h (dom_computed, n_bbs_in_dom_tree): New macros.
8287         * basic-block.h (struct control_flow_graph): Added x_dom_computed
8288         and x_n_bbs_in_dom_tree fields.
8289
8290 2007-07-26  Steve Ellcey  <sje@cup.hp.com>
8291
8292         PR tree-optimization/32087
8293         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
8294         Do not call scale_bbs_frequencies_int with prob of zero.
8295
8296 2007-07-26  Julian Brown  <julian@codesourcery.com>
8297
8298         * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds)
8299         (neon_element_bits): Add prototypes.
8300         * config/arm/arm.c (bounds_check, neon_lane_bounds)
8301         (neon_const_bounds, neon_element_bits): New functions.
8302         * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi)
8303         (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi)
8304         (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi)
8305         (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>)
8306         (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>)
8307         (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>)
8308         (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>)
8309         (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>)
8310         (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>)
8311         (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>)
8312         (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>)
8313         (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>)
8314         (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks.
8315
8316 2007-07-26  Nathan Froyd  <froydnj@codesourcery.com>
8317
8318         * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo.
8319         (HAVE_AS_GNU_ATTRIBUTE): Undefine.
8320
8321 2007-07-26  Mark Shinwell  <shinwell@codesourcery.com>
8322             Julian Brown  <julian@codesourcery.com>
8323
8324         * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New.
8325         * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New.
8326         * config/arm/cortex-a8.md: New.
8327         * config/arm/cortex-a8-neon.md: New.
8328         * config/arm/neon-schedgen.ml: New.
8329         * config/arm/neon.md (vqh_mnem): New.
8330         (neon_type): New.
8331         (Is_float_mode): New.
8332         (Scalar_mul_8_16): New.
8333         (Is_d_reg): New.
8334         (V_mode_nunits): New.
8335         (All instruction patterns): Annotate with neon_type attribute
8336         values.
8337         * config/arm/arm.md: Include cortex-a8.md.
8338         (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab
8339         values.
8340         Annotate instruction patterns accordingly.
8341         (generic_sched): Do not use generic scheduling for Cortex-A8.
8342         (generic_vfp): Do not use generic VFP scheduling for Cortex-A8.
8343
8344 2007-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
8345
8346         * fold-const.c (fold_read_from_constant_string): Use
8347         build_int_cst_type.
8348         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8349
8350 2007-07-26  Nick Clifton  <nickc@redhat.com>
8351
8352         * tree-ssa-operands.h: Change copyright header to refer to version
8353         3 of the GNU General Public License and to point readers at the
8354         COPYING3 file and the FSF's license web page.
8355         * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c,
8356         sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c,
8357         tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c,
8358         targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h,
8359         tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c,
8360         hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c,
8361         flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c,
8362         opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c,
8363         gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
8364         cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
8365         rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
8366         optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
8367         tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
8368         genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
8369         reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
8370         c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
8371         rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,
8372         tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h,
8373         diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c,
8374         gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c,
8375         input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def,
8376         gensupport.h, builtin-attrs.def, sync-builtins.def, params.c,
8377         cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c,
8378         graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c,
8379         genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c,
8380         tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h,
8381         reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h,
8382         real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c,
8383         omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h,
8384         tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c,
8385         regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h,
8386         tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c,
8387         scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c,
8388         double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h,
8389         dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c,
8390         gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c,
8391         hosthooks.h, c-objc-common.h, caller-save.c, graph.c,
8392         ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c,
8393         c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h,
8394         tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c,
8395         xcoffout.h, tree-ssa-propagate.c, ipa-utils.c,
8396         tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h,
8397         gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c,
8398         mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c,
8399         alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c,
8400         dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h,
8401         expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h,
8402         genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
8403         timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
8404         tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c,
8405         recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c,
8406         dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h,
8407         matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c,
8408         tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c,
8409         lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h,
8410         ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c,
8411         ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h,
8412         langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h,
8413         sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c,
8414         gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c,
8415         ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c,
8416         init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
8417         loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c,
8418         mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h,
8419         opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in,
8420         insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c,
8421         tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def,
8422         dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c,
8423         bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c,
8424         coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h,
8425         stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c,
8426         cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
8427         tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c,
8428         loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c,
8429         lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c,
8430         tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c,
8431         tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt,
8432         ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c,
8433         varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c,
8434         sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
8435         target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
8436         omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
8437         intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
8438         sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
8439         genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
8440         tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
8441         bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c,
8442         cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c,
8443         cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk,
8444         tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c,
8445         c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c,
8446         fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c,
8447         vecprim.h, basic-block.h, tree-ssa-structalias.c,
8448         tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c,
8449         passes.c, genconstants.c, c-incpath.c, c-incpath.h,
8450         struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c,
8451         varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h,
8452         reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y,
8453         stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h,
8454         params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h,
8455         tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c,
8456         convert.c, convert.h, langhooks-def.h, reload1.c,
8457         tree-ssa-operands.c: Likewise.
8458
8459 2007-07-26  Jan Hubicka  <jh@suse.cz>
8460
8461         * tree-ssa-live.c: Include debug.h and flags.h.
8462         (mark_scope_block_unused): New function.
8463         (remove_unused_scope_block_p): New function.
8464         (remove_unused_locals): Remove unused blocks too.
8465
8466 2007-07-25  Ian Lance Taylor  <iant@google.com>
8467
8468         * combine.c (combine_max_regno): Remove.  Remove all uses.
8469         (struct reg_stat_struct): Rename from struct reg_stat.
8470         (reg_stat_type): Define, and declare VECs.
8471         (reg_stat): Change from pointer to VEC.  Change all uses.
8472         (combine_split_insns): New static function.
8473         (try_combine, find_split_point): Call it instead of split_insns.
8474
8475 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8476
8477         * cfghooks.c (split_block): Fix the information about loop latch.
8478
8479 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8480
8481         * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
8482
8483 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8484
8485         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
8486         Scan the new edge for loop exit info.
8487
8488 2007-07-25  Andreas Tobler  <a.tobler@schweiz.org>
8489
8490         * config/darwin.c: Include debug.h.
8491
8492 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8493
8494         PR target/32218
8495         * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
8496
8497 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8498
8499         * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode.
8500         (HARD_REGNO_MODE_OK): Ditto.
8501         (MODES_TIEABLE_P): Ditto.
8502         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8503         (CLASS_MAX_NREGS): Ditto.
8504         * config/ia64/ia64.c (ia64_print_operand_address): Add R format.
8505         * config/ia64/ia64.md (divsf3_internal_thr): Removed.
8506         (divdf3_internal_thr): Removed.
8507         * config/ia64/div.md: New file.
8508         * config/ia64/constraints.md: Add H constraint.
8509
8510 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8511
8512         * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount,
8513         sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p,
8514         sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not,
8515         sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg,
8516         sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b,
8517         sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p,
8518         sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c,
8519         sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c,
8520         sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap,
8521         dump_sbitmap_file, debug_sbitmap, popcount_table,
8522         sbitmap_popcount): Constify.
8523         * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New.
8524         (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap,
8525         dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal,
8526         sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg,
8527         sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c,
8528         sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c,
8529         sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b,
8530         sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg,
8531         sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p,
8532         sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap,
8533         sbitmap_popcount, sbitmap_verify_popcount): Constify.
8534
8535 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8536
8537         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
8538         bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
8539         bitmap_first_set_bit, bitmap_and, bitmap_and_into,
8540         bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
8541         bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
8542         bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
8543         bitmap_intersect_p, bitmap_intersect_compl_p,
8544         bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8545         debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
8546         Constify.
8547         * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
8548         bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
8549         bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
8550         bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
8551         bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8552         debug_bitmap, debug_bitmap_file, bitmap_print,
8553         bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
8554         bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
8555
8556 2007-07-25  Daniel Berlin  <dberlin@dberlin.org>
8557
8558         * config/darwin.c (darwin_override_options): Additional fix for
8559         debug info formats that don't support var tracking.
8560
8561 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8562
8563         * cselib.c (entry_and_rtx_equal_p): Constify.
8564         * gengtype.c (output_mangled_typename, write_types, write_local):
8565         Likewise.
8566         * gengtype.h (const_type_p): New.
8567         * see.c (eq_descriptor_extension, hash_descriptor_extension):
8568         Constify.
8569         * tlink.c (scan_linker_output): De-constify.
8570         * tree-ssa-loop-im.c (memref_eq): Constify.
8571         * tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
8572         (shared_bitmap_hash, shared_bitmap_eq): Constify.
8573
8574 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8575
8576         * c-common.c (fname_as_string, c_type_hash): Constify.
8577         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8578         * cgraph.c (edge_hash, edge_eq): Likewise.
8579         * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise.
8580         * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash,
8581         reg_attrs_htab_eq): Likewise.
8582         * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq):
8583         Likewise.
8584         * genautomata.c (const_reserv_sets_t, const_unit_decl_t,
8585         const_decl_t, const_state_t, const_automata_list_el_t): New.
8586         (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL,
8587         DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV,
8588         automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash,
8589         insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp,
8590         reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p,
8591         automata_list_hash, automata_list_eq_p, compare_states_for_equiv,
8592         compare_max_occ_cycle_nums, out_state_arcs_num,
8593         compare_transition_els_num, units_cmp, state_reservs_cmp):
8594         Constify.
8595         * genmodes.c (cmp_modes): Likewise.
8596         * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise.
8597         * gimplify.c (compare_case_labels): Likewise.
8598         * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise.
8599         * loop-unroll.c (si_info_hash, ve_info_hash): Likewise.
8600         * matrix-reorg.c (mtt_info_hash): Likewise.
8601         * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise.
8602         * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New.
8603         (htab_hash_bucket, htab_hash_elem): Constify.
8604         * tree-browser.c (TB_parent_eq): Likewise.
8605         * tree-scalar-evolution.c (hash_scev_info): Likewise.
8606         * tree-ssa-alias.c (sort_tags_by_id): Likewise.
8607         * tree-ssa-coalesce.c (const_coalesce_pair_p): New.
8608         (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs):
8609         Constify.
8610         * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise.
8611         * tree-ssa-pre.c (const_expr_pred_trans_t): New.
8612         (expr_pred_trans_hash, expr_pred_trans_eq): Constify.
8613         * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t,
8614         const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t):
8615         New.
8616         (vn_reference_op_eq, vn_reference_hash, vn_reference_eq,
8617         vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash,
8618         vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify.
8619         * tree-ssa-threadupdate.c (redirection_data_hash,
8620         redirection_data_eq): Likewise.
8621         * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise.
8622         * tree-ssa.c (var_ann_eq): Likewise.
8623         * tree-vrp.c (compare_case_labels): Likewise.
8624         * tree.c (int_cst_hash_hash, int_cst_hash_eq,
8625         tree_map_base_marked_p, type_hash_marked_p, tree_check_failed,
8626         tree_not_check_failed, tree_class_check_failed,
8627         tree_range_check_failed, tree_not_class_check_failed,
8628         omp_clause_check_failed, omp_clause_range_check_failed,
8629         tree_contains_struct_check_failed, tree_operand_check_failed):
8630         Likewise.
8631         * tree.h (tree_contains_struct_check_failed, tree_check_failed,
8632         tree_not_check_failed, tree_class_check_failed,
8633         tree_range_check_failed, tree_not_class_check_failed,
8634         tree_operand_check_failed, omp_clause_operand_check_failed,
8635         tree_operand_length): Likewise.
8636         * var-tracking.c (const_variable): New.
8637         (variable_htab_hash, variable_htab_eq): Constify.
8638         * varasm.c (const_desc_hash): Likewise.
8639
8640 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8641
8642         * expr.c (handled_component_p): Constify.
8643         * fold-const.c (fit_double_type): Likewise.
8644         * real.h (real_value_from_int_cst): Likewise.
8645         * tree-flow-inline.h (gimple_in_ssa_p,
8646         gimple_aliases_computed_p, gimple_addressable_vars,
8647         gimple_call_clobbered_vars, gimple_referenced_vars,
8648         gimple_global_var, gimple_nonlocal_all, gimple_var_anns,
8649         end_htab_p, end_referenced_vars_p, var_ann, function_ann,
8650         may_aliases, end_readonly_imm_use_p, has_zero_uses,
8651         has_single_use, single_imm_use, num_imm_uses, is_exec_stmt,
8652         is_label_stmt, is_global_var, phi_ssa_name_p,
8653         factoring_name_p, is_call_clobbered, tree_common_ann,
8654         op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p,
8655         unmodifiable_var_p, array_ref_contains_indirect_ref,
8656         ref_contains_array_ref, lookup_subvars_for_var,
8657         var_can_have_subvars, overlap_subvar, gimple_ssa_operands,
8658         gimple_mem_ref_stats): Likewise.
8659         * tree-flow.h (tree_common_ann, var_ann, function_ann,
8660         may_aliases, is_exec_stmt, is_label_stmt,
8661         ref_contains_array_ref, array_ref_contains_indirect_ref,
8662         var_can_have_subvars, overlap_subvar, is_call_clobbered,
8663         unmodifiable_var_p): Likewise.
8664         * tree-gimple.c (is_gimple_min_invariant): Likewise.
8665         * tree-gimple.h (is_gimple_min_invariant): Likewise.
8666         * tree.c (type_hash_list, attribute_hash_list, tree_size,
8667         cst_and_fits_in_hwi, real_value_from_int_cst,
8668         build_real_from_int_cst, integer_zerop, integer_onep,
8669         integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2,
8670         tree_floor_log2, real_zerop, real_onep, real_twop,
8671         real_minus_onep, really_constant_p, purpose_member, chain_member,
8672         list_length, fields_length, int_size_in_bytes, bit_position,
8673         int_bit_position, byte_position, int_byte_position, expr_align,
8674         array_type_nelts, tree_node_structure,
8675         type_contains_placeholder_1, iterative_hash_pointer,
8676         is_attribute_with_length_p, is_attribute_p, check_qualified_type,
8677         tree_map_base_eq, type_hash_list, type_hash_eq,
8678         attribute_hash_list, type_num_arguments, tree_int_cst_equal,
8679         tree_int_cst_lt, tree_int_cst_compare, host_integerp,
8680         tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8681         simple_cst_list_equal, compare_tree_int, iterative_hash_expr,
8682         int_fits_type_p, get_containing_scope, decl_function_context,
8683         decl_type_context, omp_clause_operand_check_failed,
8684         initializer_zerop, int_cst_value, num_ending_zeros): Likewise.
8685         * tree.h (omp_clause_operand_check_failed, tree_size,
8686         build_real_from_int_cst, array_type_nelts, purpose_member,
8687         tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare,
8688         host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8689         is_attribute_p, check_qualified_type, expr_align,
8690         int_size_in_bytes, bit_position, int_bit_position, byte_position,
8691         int_byte_position, list_length, fields_length, initializer_zerop,
8692         integer_zerop, integer_onep, integer_all_onesp, integer_pow2p,
8693         integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros,
8694         tree_node_structure, handled_component_p, get_containing_scope,
8695         decl_function_context, decl_type_context, real_zerop,
8696         type_num_arguments, fit_double_type, really_constant_p,
8697         int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr,
8698         compare_tree_int, chain_member, simple_cst_list_equal, real_onep,
8699         real_twop, real_minus_onep, int_cst_value): Likewise.
8700
8701 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8702
8703         * cfglayout.c (insn_scope, insn_line): Constify.
8704         * emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
8705         const_double_htab_hash, const_double_htab_eq,
8706         mem_attrs_htab_hash): Likewise.
8707         * loop-iv.c (biv_eq): Likewise.
8708         * print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
8709         print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
8710         debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
8711         Likewise.
8712         * rtl-error.c (location_for_asm, diagnostic_for_asm,
8713         error_for_asm, warning_for_asm, _fatal_insn,
8714         _fatal_insn_not_found): Likewise.
8715         * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
8716         rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
8717         rtl_check_failed_type2, rtl_check_failed_code1,
8718         rtl_check_failed_code2, rtl_check_failed_code_mode,
8719         rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
8720         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
8721         rtl_check_failed_type2, rtl_check_failed_code1,
8722         rtl_check_failed_code2, rtl_check_failed_code_mode,
8723         rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
8724         SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
8725         shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
8726         get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
8727         mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
8728         rtx_unstable_p, get_integer_term, get_related_value,
8729         offset_within_block_p, reg_mentioned_p, count_occurrences,
8730         reg_referenced_p, reg_used_between_p, no_labels_between_p,
8731         single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
8732         reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
8733         find_reg_note, find_regno_note, find_reg_equal_equiv_note,
8734         find_constant_src, find_reg_fusage, find_regno_fusage,
8735         pure_call_p, remove_note, side_effects_p, volatile_refs_p,
8736         volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
8737         may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
8738         computed_jump_p, auto_inc_p, in_expr_list_p,
8739         remove_node_from_expr_list, loc_mentioned_in_p,
8740         label_is_jump_target_p, reversed_comparison_code_parts,
8741         debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
8742         print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
8743         print_inline_rtx): Likewise.
8744         * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
8745         computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
8746         rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
8747         get_integer_term, get_related_value, offset_within_block_p,
8748         count_occurrences, reg_mentioned_p, no_labels_between_p,
8749         reg_used_between_p, reg_referenced_p, single_set_2,
8750         multiple_sets, set_noop_p, refers_to_regno_p,
8751         reg_overlap_mentioned_p, dead_or_set_p,
8752         covers_regno_no_parallel_p, covers_regno_p,
8753         dead_or_set_regno_p, find_reg_note, find_regno_note,
8754         find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
8755         find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
8756         remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
8757         side_effects_p, may_trap_p_1, may_trap_p,
8758         may_trap_after_code_motion_p, may_trap_or_fault_p,
8759         inequality_comparisons_p, tablejump_p, computed_jump_p_1,
8760         computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
8761         subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
8762         * simplify-rtx.c (neg_const_int, plus_minus_operand_p,
8763         mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
8764         Likewise.
8765         * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
8766         warning_for_asm): Likewise.
8767         * tree.h (print_rtl): Likewise.
8768         * varasm.c (get_pool_mode): Likewise.
8769
8770 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8771
8772         * c-lex.c (c_lex_with_flags, lex_string): Constify.
8773         * c-ppoutput.c (print_line, pp_dir_change): Likewise.
8774         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8775         * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise.
8776         * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise.
8777         * ddg.c (compare_sccs): Likewise.
8778         * df-scan.c (df_ref_compare, df_mw_compare): Likewise.
8779         * dfp.c (decimal_real_from_string, decimal_to_decnumber,
8780         decimal_to_binary, decimal_do_compare, decimal_real_to_decimal,
8781         decimal_do_fix_trunc, decimal_real_to_integer,
8782         decimal_real_to_integer2, decimal_real_maxval): Likewise.
8783         * dse.c (const_group_info_t): New.
8784         (invariant_group_base_eq, invariant_group_base_hash): Constify.
8785         * dwarf2out.c (const_dw_die_ref): New.
8786         (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify.
8787         * tree-browser.c (TB_parent_eq): Likewise.
8788         * unwind-dw2-fde.c (__register_frame_info_bases,
8789         __deregister_frame_info_bases, fde_unencoded_compare, fde_split,
8790         add_fdes, linear_search_fdes, binary_search_unencoded_fdes):
8791         Likewise.
8792         * unwind-dw2-fde.h (get_cie, next_fde): Likewise.
8793         * unwind-dw2.c (uw_frame_state_for): Likewise.
8794         * value-prof.c (histogram_hash, histogram_eq): Likewise.
8795         * value-prof.h (const_histogram_value): New.
8796
8797 2007-07-25  Richard Sandiford  <richard@codesourcery.com>
8798
8799         * config/mips/mips.c (machine_function): Add
8800         initialized_mips16_gp_pseudo_p.
8801         (mips16_gp_pseudo_reg): Do not emit the initialization of
8802         mips16_gp_pseudo_rtx when being called from the gimple cost-
8803         calculation routines; emit it on the first use outside those
8804         routines.
8805
8806 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8807
8808         * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree):
8809         New.
8810
8811         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
8812         RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK,
8813         RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3,
8814         RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6,
8815         RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND):
8816         Preserve const-ness of parameters through use of __typeof(),
8817         also constify and tidy.
8818
8819         * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2,
8820         TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4,
8821         NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5,
8822         CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK,
8823         OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK,
8824         GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK,
8825         PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK,
8826         TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK,
8827         TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise.
8828
8829 2007-07-25  Julian Brown  <julian@codesourcery.com>
8830             Mark Shinwell  <shinwell@codesourcery.com>
8831
8832         * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to...
8833         (alpha_mangle_type): This.
8834         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8835         (TARGET_MANGLE_TYPE): Define this instead.
8836         * config/arm/arm-protos.h (arm_mangle_type): Add prototype.
8837         * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook.
8838         (arm_init_neon_builtins): Fix comment.
8839         (arm_mangle_map_entry): New.
8840         (arm_mangle_map): New.
8841         (arm_mangle_type): New.
8842         * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to...
8843         (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
8844         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8845         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8846         (TARGET_MANGLE_TYPE): Define this instead.
8847         * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to...
8848         (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT  and restrict
8849         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8850         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8851         (TARGET_MANGLE_TYPE): Define this instead.
8852         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename
8853         to...
8854         (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT.
8855         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8856         (TARGET_MANGLE_TYPE): Define this instead.
8857         * config/s390/s390.c (s390_mangle_fundamental_type): Rename to...
8858         (s390_mangle_type): This.
8859         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8860         (TARGET_MANGLE_TYPE): Define this instead.
8861         * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to...
8862         (sparc_mangle_type): This.
8863         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8864         (TARGET_MANGLE_TYPE): Define this instead.
8865         * cp/mangle.c (write_type): Call mangle_type target hook on all
8866         types before mangling.  Use original type, not main variant, as
8867         argument.
8868         * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to...
8869         (TARGET_MANGLE_TYPE): This.
8870         * target.h (gcc_target): Rename mangle_fundamental_type to
8871         mangle_type.
8872         * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to...
8873         (TARGET_MANGLE_TYPE): This. Note slightly different semantics.
8874
8875 2007-07-25  Julian Brown  <julian@codesourcery.com>
8876             Paul Brook  <paul@codesourcery.com>
8877             Joseph Myers  <joseph@codesourcery.com>
8878             Mark Shinwell  <shinwell@codesourcery.com>
8879
8880         * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi.
8881         * config.gcc (arm*-*-*): Add arm_neon.h to extra headers.
8882         (with_fpu): Allow --with-fpu=neon.
8883         * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8884         * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8885         * config/arm/arm-modes.def (EI, OI, CI, XI): New modes.
8886         * config/arm/arm-protos.h (neon_immediate_valid_for_move)
8887         (neon_immediate_valid_for_logic, neon_output_logic_immediate)
8888         (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret)
8889         (neon_emit_pair_result_insn, neon_disambiguate_copy)
8890         (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad)
8891         (output_move_neon): Add prototypes.
8892         * config/arm/arm.c (FL_NEON): New flag for NEON processor capability.
8893         (all_fpus): Add FPUTYPE_NEON.
8894         (fp_model_for_fpu): Add NEON field.
8895         (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers.
8896         (arm_arg_partial_bytes): Allow NEON vectors to be passed partially
8897         in registers.
8898         (arm_legitimate_address_p): Don't support fancy addressing for NEON
8899         structure moves.
8900         (thumb2_legitimate_address_p): Likewise.
8901         (neon_valid_immediate): Recognize and prepare constants suitable for
8902         NEON instructions.
8903         (neon_immediate_valid_for_move): New function. Recognize and prepare
8904         immediates for NEON move instructions.
8905         (neon_immediate_valid_for_logic): New function. Recognize and
8906         prepare immediates for NEON logic instructions.
8907         (neon_output_logic_immediate): New function. Create asm string
8908         suitable for outputting immediate logic instructions.
8909         (neon_pairwise_reduce): New function. Implement reduction using
8910         pairwise operations.
8911         (neon_expand_vector_init): New function. Expand a (possibly
8912         non-constant) vector initialization.
8913         (neon_vector_mem_operand): New function. Memory operands supported
8914         for quad-word loads/stores to/from ARM or NEON registers. Don't
8915         allow base+offset addressing for core regs.
8916         (neon_struct_mem_operand): New function. Valid mems for NEON
8917         structure moves.
8918         (coproc_secondary_reload_class): Enable NEON registers to be loaded
8919         from neon_vector_mem_operand addresses without a secondary register.
8920         (add_minipool_forward_ref): Handle >8-byte minipool entries.
8921         (add_minipool_backward_ref): Likewise.
8922         (dump_minipool): Likewise.
8923         (push_minipool_fix): Likewise.
8924         (output_move_quad): New function. Output quad-word moves, loads and
8925         stores using ARM registers.
8926         (output_move_vfp): Add support for vectors in VFP (NEON) D
8927         registers.
8928         (output_move_neon): Output a NEON load/store to/from a quadword
8929         register.
8930         (arm_print_operand): Implement new codes:
8931         - 'c' for unadorned integers (without a # sign).
8932         - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian
8933         mode.
8934         - 'e', 'f' for the low and high D parts of a NEON Q register.
8935         - 'q' outputs a NEON Q register.
8936         - 'h' outputs ranges of D registers for VLDM/VSTM etc.
8937         - 'T' prints NEON opcode features from a coded bitmask.
8938         - 'F' is similar to T, but signed/unsigned codes both print as
8939         'i'.
8940         - 't' is similar to T, but 'u' is printed instead of 'p'.
8941         - 'O' prints 'r' if NEON instruction should perform rounding (as
8942         specified by bitmask), else prints nothing.
8943         - '#' is a punctuation character to stop operand numbers from
8944         running together with following digits in the assembler
8945         strings for instructions (when using mode attributes).
8946         (arm_assemble_integer): Handle extra NEON vector modes. Permute
8947         constant vectors in big-endian mode, where necessary.
8948         (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers.
8949         Handle EI, OI, CI, XI modes.
8950         (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3)
8951         (ashrv2si3): Rename IWMMXT2_BUILTINs to...
8952         (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt)
8953         (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names.
8954         (neon_builtin_type_bits): Add enumeration, one bit for each vector
8955         type.
8956         (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP)
8957         (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros
8958         to turn v8qi, etc. into bits defined above.
8959         (neon_itype): New enumeration. Classifications of NEON builtins.
8960         (neon_builtin_datum): Define struct. Contains information about
8961         a single builtin (with multiple modes).
8962         (CF): Define helper macro for...
8963         (VAR1...VAR10): Define builtins with a type, name and 1-10 different
8964         modes.
8965         (neon_builtin_data): New array. Define information about builtins
8966         for use during initialization/expansion.
8967         (arm_init_neon_builtins): New function.
8968         (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is
8969         true.
8970         (neon_builtin_compare): New function.
8971         (locate_neon_builtin_icode): New function. Find an insn code for a
8972         builtin given a function code for that builtin. Also return type of
8973         builtin (NEON_BINOP, NEON_UNOP etc.).
8974         (builtin_arg): New enumeration. Types of arguments for builtins.
8975         (arm_expand_neon_args): New function. Expand a generic NEON builtin.
8976         Takes a variable argument list of builtin_arg types, terminated by
8977         NEON_ARG_STOP.
8978         (arm_expand_neon_builtin): New function. Expand a NEON builtin.
8979         (neon_reinterpret): New function. Expand NEON reinterpret intrinsic.
8980         (neon_emit_pair_result_insn): New function. Support returning pairs
8981         of vectors via a pointer.
8982         (neon_disambiguate_copy): New function. Set up operands for a
8983         multi-word copy such that registers do not get clobbered.
8984         (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >=
8985         ARM_BUILTIN_NEON_BASE.
8986         (arm_file_start): Set float-abi attribute for NEON.
8987         (arm_vector_mode_supported_p): Enable NEON vector modes.
8988         (arm_mangle_map_entry): New.
8989         (arm_mangle_map): New.
8990         (arm_mangle_vector_type): New.
8991         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__
8992         when appropriate.
8993         (TARGET_NEON): New macro. Target supports NEON.
8994         (fputype): Add FPUTYPE_NEON.
8995         (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used
8996         for vectorization based on command-line arg.
8997         (NEON_REGNO_OK_FOR_NREGS): Define.
8998         (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE)
8999         (VALID_NEON_STRUCT_MODE): Define.
9000         (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation.
9001         (arm_builtins): Add ARM_BUILTIN_NEON_BASE.
9002         * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec.
9003         (consttable_16): Add pattern for outputting 16-byte minipool
9004         entries.
9005         (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in
9006         vec-common.md).
9007         (vec-common.md, neon.md): Include md files.
9008         * config/arm/arm.opt (mvectorize-with-neon-quad): Add option.
9009         * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define.
9010         (memory_constraint "Ut", "Un", "Us"): Define.
9011         * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros.
9012         (MMX_char): New mode attribute.
9013         (addv8qi3, addv4hi3, addv2si3): Remove. Replace with...
9014         (*add<mode>3_iwmmxt): New insn pattern.
9015         (subv8qi3, subv4hi3, subv2si3): Remove. Replace with...
9016         (*sub<mode>3_iwmmxt): New insn pattern.
9017         (mulv4hi3): Rename to...
9018         (*mulv4hi3_iwmmxt): This.
9019         (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3)
9020         (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3)
9021         (uminv4hi3, uminv2si3): Remove. Replace with...
9022         (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt)
9023         (*umin<mode>3_iwmmxt): These.
9024         (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with...
9025         (ashr<mode>3_iwmmxt): This new pattern.
9026         (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with...
9027         (lshr<mode>3_iwmmxt): This new pattern.
9028         (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with...
9029         (ashl<mode>3_iwmmxt): This new pattern.
9030         * config/arm/neon-docgen.ml: New file. Generate documentation for
9031         intrinsics.
9032         * config/arm/neon-gen.ml: New file. Generate arm_neon.h header.
9033         * config/arm/arm_neon.h: New (autogenerated).
9034         * config/arm/neon-testgen.ml: New file. Generate NEON tests
9035         automatically.
9036         * config/arm/neon.md: New file. Define NEON instructions.
9037         * config/arm/neon.ml: New file. Abstract description of NEON
9038         instructions, used to generate arm_neon.h header, documentation and
9039         tests.
9040         * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md.
9041         * vec-common.md: New file. Shared parts for iWMMXt and NEON vector
9042         support.
9043         * doc/extend.texi (ARM Built-in Functions): Rename and remove
9044         extraneous comma.
9045         (ARM NEON Intrinsics): New subsection.
9046         * doc/arm-neon-intrinsics.texi: New (autogenerated).
9047
9048 2007-07-25  Danny Smith   <dannysmith@users.sourceforge.net>
9049
9050         * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove
9051         prototype.
9052
9053 2007-07-24  Jan Hubicka  <jh@suse.cz>
9054
9055         * regclass.c (move_table): New type.
9056         (move_cost, may_move_in_cost, may_move_out_cost): Use it.
9057         (init_move_cost): Break out from ...
9058         (init_reg_sets_1): ... here; simplify computation of
9059         have_regs-of_mode and contains_reg_of_mode.
9060         (record_reg_classes): Unswitch internal loops.
9061         (copy_cost): Trigger lazy initialization of move cost
9062         (record_address_regs): Likewise.
9063
9064 2007-07-24  Daniel Berlin  <dberlin@dberlin.org>
9065
9066         * config/darwin.c (darwin_override_options): Don't force on
9067         flag_var_tracking_uninit when no debug info is requested.
9068
9069 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
9070
9071         * cfgloop.c (init_loops_structure): New function.
9072         (flow_loops_find): Create root of the loop tree unconditionally.
9073
9074 2007-07-24  Daniel Jacobowitz  <dan@codesourcery.com>
9075
9076         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.
9077
9078 2007-07-24  Jan Hubicka  <jh@suse.cz>
9079
9080         * caller-save.c: Include ggc.h, gt-caller-save.h
9081         (reg_save_code, reg_restore_code): Rename to ...
9082         (cached_reg_save_code, cached_reg_restore_code): ... those.
9083         (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New.
9084         (reg_save_code, reg_restore_code): New functions.
9085         (init_caller_save): Do not intialize
9086         reg_save_code/reg_restore_code tables.
9087         * Makefile.in: (gt-caller-save.h): New.
9088
9089 2007-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9090
9091         * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand
9092         with the mode of the original operand instead of
9093         integer_one_node.
9094
9095 2007-07-23  Jan Hubicka  <jH@suse.cz>
9096
9097         * i386.c (ix86_secondary_memory_needed): Break out to...
9098         (inline_secondary_memory_needed): ... here.
9099         (ix86_memory_move_cost): Break out to ...
9100         (inline_memory_move_cost): ... here; add support for IN value of 2 for
9101         maximum of input and output; fix handling of Q_REGS on 64bit.
9102         (ix86_secondary_memory_needed): Microoptimize.
9103
9104 2007-07-23  Sebastian Pop  <sebpop@gmail.com>
9105
9106         * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
9107         create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
9108         stmts_from_loop, known_dependences_p, build_rdg): New.
9109         * tree-data-ref.h: Depends on graphds.h.
9110         (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
9111         (build_rdg): Declared.
9112         * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
9113
9114 2007-07-23  Daniel Berlin  <dberlin@dberlin.org>
9115
9116         * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
9117         ccp_min_invariant.
9118
9119 2007-07-23  Peter Bergner  <bergner@vnet.ibm.com>
9120             Jakub Jelinek  <jakub@redhat.com>
9121
9122         PR middle-end/PR28690
9123         * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow
9124         EQ compares.
9125         * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
9126         and MEM_POINTER operands over REG and MEM operands.
9127         (swap_commutative_operands_p): Change return value to bool.
9128         * rtl.h: Update the corresponding prototype.
9129         * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
9130         instead of gen_rtx_PLUS.
9131         * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
9132         value to bool.  Change function arguments to rtx's and update code
9133         to match.
9134         (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
9135         calls to match the new declaration.
9136         * simplify-rtx.c (simplify_associative_operation): Don't
9137         reorder simplify_binary_operation arguments.
9138
9139 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9140
9141         * config/mips/mips.c (override_options): Use mips_costs to derive
9142         the default branch cost.
9143         * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
9144         than mips_costs.
9145         * config/mips/mips.opt (mbranch-cost=): New option.
9146         * doc/invoke.texi (-mbranch-cost): Document new MIPS option.
9147
9148 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9149
9150         * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
9151         (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
9152         * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
9153         instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
9154
9155 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9156
9157         * config/mips/constraints.md (ks): New constraint.
9158         * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
9159         (*add<mode>3_mips16): ...here.
9160
9161 2007-07-21  Uros Bizjak  <ubizjak@gmail.com>
9162
9163         * optabs.h (enum optab_index): Add new OTI_signbit.
9164         (signbit_optab): Define corresponding macro.
9165         (enum insn_code signbit_optab[]): Remove array.
9166         * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
9167         (expand_copysign_absneg): If back end provides signbit insn, use it
9168         instead of bit operations on floating point argument.
9169         * builtins.c (enum insn_code signbit_optab[]): Remove array.
9170         (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code
9171         for availability of signbit insn.
9172
9173         * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
9174         signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
9175         SSE mode is not active.
9176         (isinf<mode>2): Disable for mfpmath=sse,387.
9177
9178 2007-07-22  Ben Elliston  <bje@au.ibm.com>
9179
9180         * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
9181         `class' parameter.
9182         * struct-equiv.c (note_local_live): Likewise for `y_regno'.
9183
9184 2007-07-20  Richard Guenther  <rguenther@suse.de>
9185
9186         * tree-cfg.c (verify_expr): COND_EXPRs can have any
9187         integral typed condition.
9188         * tree-ssa.c (useless_type_conversion_p): Do not preserve
9189         booleanness.  Only preserve conversions from a non-base
9190         type to a base type, not in general between types with
9191         different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
9192         * tree.def (COND_EXPR): Document that the condition
9193         can be of any integral type.
9194
9195 2007-07-20  Nigel Stephens  <nigel@mips.com>
9196             Richard Sandiford  <richard@codesourcery.com>
9197
9198         * config/mips/mips.h (mips_dwarf_regno): Declare.
9199         (DBX_REGISTER_NUMBER): Remove redundant brackets.
9200         (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
9201         (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
9202         (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
9203         (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
9204         (REG_CLASS_NAMES): Update accordingly.
9205         * config/mips/mips.c (mips_dwarf_regno): New array.
9206         (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
9207         (mips_subword): Remove special handling for accumulator registers.
9208         (override_options): Initiailize mips_dwarf_regno.  Remove use
9209         of ACC_HI_REG_P.
9210         (mips_swap_registers): New function.
9211         (mips_conditional_register_usage): Swap accumulator registers
9212         around if TARGET_LITTLE_ENDIAN.
9213         (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
9214         * config/mips/constraints.md (h, l): Use the endianness to choose
9215         between MD0_REG and MD1_REG.
9216         * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
9217         alternative-dependent template.
9218
9219 2007-07-20  Richard Sandiford  <richard@codesourcery.com>
9220
9221         * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
9222         no_new_pseudos.
9223
9224 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9225
9226         * function.c (thread_prologue_and_epilogue_insns): Fix exit
9227         predecessor fallthru flags.
9228
9229 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9230
9231         * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
9232         of compare to the same type.
9233         * cfgloopmanip.c (add_loop): Update information about loop exits.
9234         (loop_version): Remove the innermost loop requirement.
9235         * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
9236         to sizetype for pointers.
9237
9238 2007-07-18  H.J. Lu  <hongjiu.lu@intel.com>
9239
9240         * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
9241         (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
9242         (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
9243
9244         * config/dfp-bit.c: Empty for TFmode conversions.
9245
9246 2007-07-18  Caroline Tice  <ctice@apple.com>
9247
9248         * var-tracking.c (find_src_status): Check for  COND_EXEC insns
9249         and handle them correctly; check that src is not NULL before
9250         trying to use it.
9251         (find_src_set_src): Likewise.
9252
9253 2007-07-18  Bob Wilson  <bob.wilson@acm.org>
9254
9255         * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
9256         (struct alignment_context, init_alignment_context): New.
9257         (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
9258         * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
9259         (XCHAL_HAVE_S32C1I): Likewise.
9260         (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
9261         * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
9262         (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
9263         (ATOMIC, HQI): New macros.
9264         (memory_barrier, *memory_barrier): New.
9265         (sync_lock_releasesi): New.
9266         (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
9267         (sync_lock_test_and_set<mode>): New.
9268         (sync_<atomic><mode>): New.
9269         (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
9270         * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
9271         (xtensa_expand_atomic): New.
9272
9273 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9274
9275         PR target/30652
9276
9277         * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
9278         transformation for builtin ISNORMAL.
9279         (expand_builtin): Handle BUILT_IN_ISNORMAL.
9280         * builtins.def (BUILT_IN_ISNORMAL): New.
9281         * doc/extend.texi: Document isnormal.
9282
9283 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9284
9285         PR target/30652
9286
9287         * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
9288         optabs infrastructure.  Provide generic implementation for
9289         FINITE/ISFINITE.
9290         (expand_builtin): Handle FINITE/ISFINITE.
9291         (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
9292         (fold_builtin_1): Likewise.
9293
9294         * builtins.def (BUILT_IN_ISFINITE): New.
9295
9296         * doc/extend.texi: Document isfinite.
9297
9298 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9299
9300         PR target/30652
9301         PR middle-end/20558
9302
9303         * builtins.c (expand_builtin_interclass_mathfn): Provide a
9304         generic fallback for isinf.
9305         * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
9306         calculation code ...
9307         * real.c (get_max_float): ... to here.
9308         * real.h (get_max_float): New.
9309
9310 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9311
9312         PR middle-end/32668
9313
9314         * builtin-attrs.def (ATTR_TYPEGENERIC,
9315         ATTR_CONST_NOTHROW_TYPEGENERIC): New.
9316
9317         * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
9318         BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
9319         BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
9320         BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
9321
9322         * c-common.c (handle_type_generic_attribute): New.
9323         (c_common_attribute_table): Add "type generic".
9324
9325         * c-typeck.c (convert_arguments): Handle "type generic" functions.
9326
9327 2007-07-18  Daniel Berlin  <dberlin@dberlin.org>
9328
9329         * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
9330         * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
9331         properly.
9332
9333 2007-07-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
9334
9335         PR target/32808
9336         * config/cris/cris.c (cris_print_index): Don't use XEXP before
9337         checking that the operand is an expression.
9338
9339 2007-07-19  Christoph von Wittich  <Christoph_vW@reactos.org>
9340             Danny Smith  <dannysmith@users.sourceforge.net>
9341
9342         PR/other 30335
9343         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
9344         file mapping object in local namespace if Windows version later
9345         than NT4
9346
9347 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9348
9349         * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
9350         * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
9351         arm_cannot_force_const_mem.
9352         (arm_cannot_force_const_mem): New function.
9353         * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
9354         (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
9355         of arm_tls_referenced_p.
9356         * config/arm/arm.md (movsi): Split out-of-section constants when
9357         ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
9358         * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
9359
9360 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9361
9362         * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
9363
9364 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9365
9366         * config/mips/mips.md (*extendqihi2): Convert the destination
9367         to SImode.
9368
9369 2007-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9370
9371         * config/pa/fptr.c: Update license header.
9372         * config/pa/milli64.S: Likewise.
9373
9374 2007-07-17  Nick Clifton  <nickc@redhat.com>
9375
9376         * COPYING_v3: New file.  Contains version 3 of the GNU General
9377         Public License.
9378         * COPYING.LIB_v3: New file.  Contains version 3 of the GNU
9379         Lesser General Public License.
9380         * doc/include/gpl_v3.texi: New file.  Contains version 3 of
9381         the GNU General Public License.
9382
9383 2007-07-17  Zdenek Dvorak  <dvorakz@suse.cz>
9384
9385         PR rtl-optimization/32773
9386         * cfglayout.c (force_one_exit_fallthru): New function.
9387         (cfg_layout_finalize): Use it.
9388
9389 2007-07-16  Richard Guenther  <rguenther@suse.de>
9390             Uros Bizjak  <ubizjak@gmail.com>
9391
9392         * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
9393         before forcing it to gimple operand.
9394
9395 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9396             David Ung  <davidu@mips.com>
9397
9398         * config/mips/mips.h (TUNE_24K): Define.
9399         (TUNE_MACC_CHAINS): Add TUNE_24K.
9400         * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
9401         imadd.
9402         * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
9403         (r74k_int_madd): .. this new reservation.
9404         (define_bypass): Fixed bypasses for r74k_int_madd to use
9405         mips_linked_madd_p.
9406         * config/mips/24k.md (define_bypass): Define new
9407         r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
9408
9409 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9410             Nigel Stephens  <nigel@mips.com>
9411
9412         * config/mips/mips.md: Include 20kc.md.
9413         * config/mips/20kc.md: New file.
9414         * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
9415         (mips_adjust_cost): Tweak for 20Kc.
9416         (mips_issue_rate): Likewise.
9417         * config/mips/mips.h (TUNE_20KC): Define.
9418
9419 2007-07-16  David Edelsohn  <edelsohn@gnu.og>
9420
9421         * config/rs6000/rs6000.c (struct processor_cost): Add
9422         cache_line_size, l1_cache_lines, and simultaneous_prefetches
9423         fields.
9424         (*_cost): Add cache information.
9425         (rs6000_override_options): Set cache parameters.
9426
9427 2007-07-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9428
9429         PR bootstrap/3456
9430         * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
9431         * doc/install.texi (mips-sgi-irix6): pthread support works now.
9432
9433 2007-07-16  Paul Brook  <paul@codesourcery.com>
9434
9435         PR target/32753
9436         * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
9437         (cirrus_thumb2_movsi_insn): Ditto.
9438
9439 2007-07-15  Geoffrey Keating  <geoffk@apple.com>
9440
9441         * config/rs6000/darwin-fallback.c (interpret_libc): Change
9442         CR2_REGNO to R_CR2.
9443
9444 2007-07-15  Andrew Haley  <aph@redhat.com>
9445
9446         * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
9447         before looking in the context.
9448
9449 2007-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9450
9451         PR middle-end/32398
9452         PR middle-end/32769
9453         * pa-protos.h (pa_eh_return_handler_rtx): Declare.
9454         * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
9455         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
9456         (pa_output_function_prologue): Use rp_saved and
9457         current_function_is_leaf to generate .CALLINFO statement.
9458         (hppa_expand_prologue): Set rp_saved.
9459         (hppa_expand_epilogue): Use rp_saved.
9460         (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
9461         * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
9462
9463 2007-07-14  Dirk Mueller  <dmueller@suse.de>
9464
9465         * omega.c (coalesce): Fix memory leak on early exit.
9466         * matrix-reorg.c (check_allocation_function): Likewise.
9467         * tree-vect-transform.c (vect_get_new_vect_var): free result
9468         of concat().
9469         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9470         pass pointer to edge vector
9471         (partition_hot_cold_basic_blocks): Fix memory leak.
9472         * collect2.c (prefix_from_string): Free temporary storage.
9473         * reload1.c (fixup_abnormal_edges): Free sbitmap.
9474
9475 2007-07-14  Kaz Kojima  <kkojima@gcc.gnu.org>
9476
9477         * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
9478         (DO_GLOBAL_DTORS_BODY): Likewise.
9479
9480 2007-07-14  Sandra Loosemore  <sandra@codesourcery.com>
9481             Nigel Stephens  <nigel@mips.com>
9482
9483         * config/mips/mips.c (mips_classify_symbol): Don't return
9484         SYMBOL_SMALL_DATA for constant pool addresses if
9485         TARGET_EMBEDDED_DATA is true.
9486
9487 2007-07-14  Uros Bizjak  <ubizjak@gmail.com>
9488
9489         * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
9490         except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
9491         __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
9492         __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
9493         __builtin_ia32_storehps, __builtin_ia32_storelps,
9494         __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
9495         __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
9496         __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
9497         __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
9498         __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
9499         __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
9500         __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
9501         __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
9502         using def_builtin_const.
9503
9504 2007-07-14  Eric Botcazou  <ebotcazou@adacore.com>
9505
9506         PR tree-optimization/32705
9507         * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
9508         (simplify_binary_expression): Use SSA_VAL consistently.
9509
9510 2007-07-13  David Edelsohn  <edelsohn@gnu.org>
9511
9512         * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
9513         (SPEFSCR_REGNO): Delete definition.
9514         * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
9515         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9516         * config/rs6000/rs6000.h: Do not define *_REGNO.
9517         LINK_REGISTER_REGNUM -> LR_REGNO.
9518         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9519         * config/rs6000/predicates.md: LINK_REGISTER_REGNUM ->  LR_REGNO.
9520         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9521         * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
9522         R_VRSAVE, R_VSCR. Use them.
9523         * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
9524         R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR.  Use them.
9525         * config/rs6000/rs6000.md: Define REGNO constants.  Use them.
9526         * config/rs6000/aix.h: Define R_LR.  Use it.
9527
9528 2007-07-13  Caroline Tice  <ctice@apple.com>
9529
9530         * toplev.c (process_options): Turn flag_var_tracking_uninit off when
9531         flag_var_tracking is explicitly turned off (i.e. when variable
9532         tracking is not feasible); otherwise, turn flag_var_tracking on when
9533         flag_var_tracking_uninit is on.
9534         * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
9535         note definitions, to allow recording of initialization status in the
9536         notes.
9537         * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
9538         (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
9539         determine if two note locations are equal.
9540         (output_loc_list): Don't output list entries whose start & end labels
9541         are the same.
9542         (reg_loc_descriptor): Add parameter for initialization status; pass it
9543         to other loc descriptor functions.
9544         (one_reg_loc_descriptor): Add parameter for initialization status;
9545         check its value and add DW_OP_GNU_uninit to returned loc descr if
9546         appropriate.
9547         (multiple_reg_loc_descriptor): Add parameter for initialization
9548         status;
9549         pass init status argument to other loc descriptor functions; check
9550         value of intialization parameter and add DW_OP_GNU_uninit to returned
9551         loc descr if appropriate.
9552         (based_loc_descr): Add parameter for initialization status; add new
9553         variable for return value; check value of initialization parameter and
9554         add DW_OP_GNU_uninit to returned loc descr if appropriate.
9555         (concatn_mem_loc_descriptor): Add parameter for initialization status;
9556         pass init status argument to other loc descriptor functions; check
9557         value of intialization parameter and add DW_OP_GNU_uninit to returned
9558         loc descr if appropriate.
9559         (mem_loc_descriptor): Likewise.
9560         (concat_loc_descriptor): Likewise.
9561         (concatn_loc_descriptor): Likewise.
9562         (loc_descriptor): Add parameter for initialization status; pass it as
9563         argument to other loc descriptor function calls.
9564         (loc_descriptor_from_tree_1): Add appropriate initialization status
9565         to loc descriptor function calls.
9566         (add_location_or_const_value_attribute): Get initialization status
9567         from VAR_LOCATION note; add initialization status to loc descriptor
9568         function calls.
9569         * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
9570         * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
9571         status is uninitialized, add "[uninint]" to output.
9572         * common.opt (fvar-tracking-uninit): New option, similar to
9573         fvar-tracking, to turn on tracking of uninitialized variables; creates
9574         a new global flag, flag_var_tracking_uninit.
9575         * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
9576         (enum var_init_status): New type, for var initialization status field.
9577         * var-tracking.c (struct location_chain_def): Two new fields, init,
9578         for initialization status, and set_src for the assignment value expr.
9579         (unshare_variable): New parameter for initialization status;
9580         initialize new init and set_src fields.
9581         (var_reg_set): New parameters for initialization status and value;
9582         pass them to set_variable_part.
9583         (var_mem_set): Likewise.
9584         (get_init_value): New function.
9585         (var_reg_delete_and_set): New initialization status & value
9586         parameters; add call to get_init_value if status is unknown; pass new
9587         parameters to clobber_variable_part and var_reg_set.
9588         (var_mem_delete_and_set): Likewise.
9589         (var_reg_delete): Pass null set_src value to clobber_variable_part.
9590         (var_mem_delete): Likewise.
9591         (variable_union): Pass status to unshare_variable; initialize new init
9592         and set_src fields. If flag_var_tracking_uninit is not set, force
9593         status to initialized.
9594         (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
9595         used later to get the set_src value.
9596         (find_src_status): New function.
9597         (find_src_set_src): New function.
9598         (compute_bb_dataflow): Pass init status to calls to var_reg_set,
9599         var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
9600         MO_SET, get set_src value and pass it to var_reg_delete_and_set
9601         and var_mem_delete_and_set.
9602         (dump_variable): Print out "[uninit]" if appropriate.
9603         (set_variable_part): Add new initialization and set_src parameters;
9604         pass status to unshare_variable; set node->init and node- >set_src
9605         fields and modify slot in hash table appropriately; save the init and
9606         set_src values if appropriate and assign to the new node.
9607         (clobber_variable_part): New set_src parameter; if two nodes have
9608         same variable and same location but different set_src (assignment)
9609         values, clobber old node.
9610         (delete_variable_part): Pass init status to unshare_variable.
9611         (emit_note_insn_var_location): Add initialized var; assign var's init
9612         status to new 'initialized'; pass new init status field to calls to
9613         gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
9614         status to initialized.
9615         (emit_notes_in_bb): Pass initialization status to calls to
9616         var_reg_set, var_mem_set, var_reg_delete_and_set and
9617         var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
9618         var_reg_delete_and_set and var_mem_delete_and_set; call
9619         emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
9620         make up for change in add_stores.
9621         (vt_add_function_parameters): Add status to calls to
9622         set_variable_part.
9623         * config/darwin.c (darwin_override_options): Turn on uninitialized
9624         tracking automatically, if var_tracking is on and the system is
9625         10.5 or higher.
9626
9627 2007-07-13  Sa Liu  <saliu@de.ibm.com>
9628
9629         * config.gcc: Add options for arch and tune on SPU.
9630         * config/spu/predicates.md: Add constant operands 0 and 1.
9631         * config/spu/spu-builtins.def: Add builtins for double precision
9632         floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt,
9633         si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
9634         spu_testsv.
9635         * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with
9636         a CELLEDP target.
9637         * config/spu/spu-protos.h: Add new function prototypes.
9638         * config/spu/spu.c (spu_override_options): Check options -march and
9639         -mtune.
9640         (spu_comp_icode): Add comparison code for DFmode and vector mode.
9641         (spu_emit_branch_or_set): Use the new code for DFmode and vector
9642         mode comparison.
9643         (spu_const_from_int): New.  Create a vector constant from 4 ints.
9644         (get_vec_cmp_insn): New.  Get insn index of vector compare instruction.
9645         (spu_emit_vector_compare): New.  Emit vector compare.
9646         (spu_emit_vector_cond_expr): New.  Emit vector conditional expression.
9647         * config/spu/spu.h: Add options -march and -mtune.  Define processor
9648         types PROCESSOR_CELL and PROCESSOR_CELLEDP.  Define macro
9649         CANONICALIZE_COMPARISON.
9650         * config/spu/spu.md: Add new insns for double precision compare
9651         and double precision vector compare.  Add vcond and smax/smin patterns
9652         to enable DFmode vector conditional expression.
9653         * config/spu/spu.opt: Add options -march and -mtune.
9654         * config/spu/spu_internals.h: Add builtins for CELLEDP target:
9655         si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv.  Add builtin for
9656         both CELL and CELLEDP targets: spu_testsv.
9657         * config/spu/spu_intrinsics.h: Add flag mnemonics for test special
9658         values.
9659
9660 2007-07-13  Richard Guenther  <rguenther@suse.de>
9661
9662         PR tree-optimization/32721
9663         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
9664         TREE_THIS_VOLATILE on the folded reference.
9665         * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
9666         if the array reference has TREE_THIS_VOLATILE set.
9667
9668 2007-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9669
9670         PR other/32188
9671         * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
9672
9673 2007-07-13  Andreas Schwab  <schwab@suse.de>
9674
9675         * gengtype-lex.l: Allow declarations to be indented.
9676
9677 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9678
9679         * ginclude/tgmath.h: New.
9680         * config.gcc: Use GCC's tgmath.h on non-glibc systems.
9681         * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
9682         * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
9683         * configure: Regenerate.
9684
9685 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9686
9687         * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
9688         correct index when setting register save state for xd
9689         registers.
9690
9691 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9692
9693         * config/sh/sh.c (mark_use): Remove.
9694
9695 2007-07-12  Paul Brook  <paul@codesourcery.com>
9696
9697         * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
9698         reg does not overlap return value.
9699
9700 2007-07-12  Daniel Berlin  <dberlin@dberlin.org>
9701
9702         * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
9703         (set_expression_vuses): Ditto.
9704         (init_pre): Initialize expression_vuses.
9705
9706 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9707
9708         * config/i386/sse.md (storentdf, storentsf): New.
9709
9710 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9711
9712         * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
9713         FUNCTION_DECL.
9714         * tree.c (build_decl_stat): Move code from here...
9715         (make_node_stat): ... to here.  Don't uselessly clear DECL_USER_ALIGN.
9716         (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL.  Add comment
9717         about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
9718         * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
9719         * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
9720         FUNCTION_BOUNDARY.
9721
9722 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9723             Devang Patel  <dpatel@apple.com>
9724
9725         PR tree-optimization/25413
9726         * targhooks.c (default_builtin_vector_alignment_reachable): New.
9727         * targhooks.h (default_builtin_vector_alignment_reachable): New.
9728         * tree.h (contains_packed_reference): New.
9729         * expr.c (contains_packed_reference): New.
9730         * tree-vect-analyze.c (vector_alignment_reachable_p): New.
9731         (vect_enhance_data_refs_alignment): Call
9732         vector_alignment_reachable_p.
9733         * target.h (vector_alignment_reachable): New builtin.
9734         * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
9735         * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
9736         (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
9737
9738 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9739
9740         * target.h (builtin_vectorization_cost): Add new target builtin.
9741         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
9742         * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
9743         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
9744         * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
9745         uninitialized variables.
9746         * tree-vect-transform.c (cost_for_stmt): New function.
9747         (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
9748         using cost 1 for all scalar stmts. Be less conservative when
9749         estimating the number of prologue/epulogue iterations. Call
9750         targetm.vectorize.builtin_vectorization_cost. Return
9751         min_profitable_iters-1.
9752         (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
9753         initialization cost instead of TARG_VEC_STMT_COST. Use
9754         TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
9755         epilogue code. Fix epilogue cost computation.
9756         * config/spu/spu.c (spu_builtin_vectorization_cost): New.
9757         (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
9758         * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
9759         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
9760         (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
9761         (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
9762
9763 2007-07-12  Richard Guenther  <rguenther@suse.de>
9764
9765         * gimplify.c (gimplify_conversion): Make sure that the result
9766         from maybe_fold_offset_to_reference is trivially convertible
9767         to the desired type before doing the simplification.
9768         (gimplify_expr): Likewise.
9769         * fold-const.c (fold_binary): Use the correct types for
9770         building the simplified expression.
9771
9772 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9773
9774         PR rtl-optimization/32729
9775         * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
9776         that fallthru to exit.
9777
9778 2007-07-12  Kaz Kojima  <kkojima@gcc.gnu.org>
9779
9780         * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
9781         (symDTPOFF2reg): Likewise.
9782
9783 2007-07-11  Daniel Berlin  <dberlin@dberlin.org>
9784
9785         PR tree-optimization/32663
9786
9787         * tree.h (VALUE_HANDLE_VUSES): Remove.
9788         (struct tree_value_handle): Remove vuses.
9789
9790         * tree-vn.c (create_value_handle_for_expr): Don't set
9791         VALUE_HANDLE_VUSES.
9792
9793         * tree-ssa-pre.c (expression_vuses): New.
9794         (alloc_expression_id): Set up expression_vuses.
9795         (get_expression_vuses): New.
9796         (set_expression_vuses): Ditto.
9797         (clear_expression_ids): Modify for expression_vuses.
9798         (phi_translate_1): Ditto.
9799         (phi_translate_set): Ditto.
9800         (value_dies_in_block_x): Ditto
9801         (valid_in_sets): Ditto.
9802         (add_to_sets): Ditto.
9803         (find_existing_value_expr): Ditto.
9804         (create_value_handle_for_expr): Ditto.
9805         (make_values_for_stmt): Ditto.
9806         (vuse_equiv): Remove.
9807
9808 2007-07-11  Alexandre Oliva  <aoliva@redhat.com>
9809
9810         * Makefile.in (mostlyclean): Remove object files.
9811
9812 2007-07-11  Kenneth Zadeck <zadeck@naturalbridge.com>
9813
9814         * toplev.c (no_new_pseudos): Deleted.
9815         * rtl.h (no_new_pseudos): Deleted.
9816         * tree-pass.h (pass_no_new_pseudos): Deleted.
9817         * passes.c (pass_no_new_pseudos): Deleted.
9818         * final.c (rest_of_clean_state): Removed no_new_pseudos.
9819         (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
9820         * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with
9821         reload_completed.
9822         * cfgcleanup.c (try_crossjump_to_edge): Ditto.
9823         * rtlhooks.c (gen_lowpart_general): Ditto.
9824         * optabs.c (prepare_operand): Ditto.
9825         * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
9826         no_new_pseudos.
9827         * modulo-sched.c (rest_of_handle_sms): Ditto.
9828         * see.c (rest_of_handle_see): Ditto.
9829         * ifcvt.c (if_convert): Ditto.
9830         (gate_handle_if_after_combine): Replaced no_new_pseudos with
9831         reload_completed.
9832         * init-regs.c (gate_initialize_regs): Deleted set of
9833         no_new_pseudos.
9834         * lower-subreg.c (decompose_multiword_subregs): Ditto.
9835         * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
9836         * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
9837
9838 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9839
9840         PR target/32661
9841         * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
9842         (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
9843         (*vec_extractv2di_1_rex64): New insn pattern.
9844
9845 2007-07-11  David Daney  <ddaney@avtrex.com>
9846
9847         * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
9848         return address calculation.  Substitute DWARF_ALT_FRAME_RETURN_COLUMN
9849         for SIGNAL_UNWIND_RETURN_COLUMN.
9850         * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
9851         (DWARF_FRAME_REGNUM): Rewrite.
9852         (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
9853
9854 2007-07-11  Nick Clifton  <nickc@redhat.com>
9855
9856         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
9857         delta and use gen_int_mode in place of GET_INT instead.
9858
9859 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9860
9861         * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
9862         and letter field.
9863
9864 2007-07-11  Douglas Gregor  <doug.gregor@gmail.com>
9865
9866         * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
9867         (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical
9868         types or not.
9869         * params.h (VERIFY_CANONICAL_TYPES): Remove.
9870         (USE_CANONICAL_TYPES): New.
9871         * doc/invoke.texi (verify-canonical-types): Remove.
9872         (use-canonical-types): Add.
9873
9874 2007-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9875
9876         * config/spu/spu.c (spu_optimization_options): Remove setting of
9877         parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
9878         (spu_override_options): Move it here.
9879
9880 2007-07-11  Richard Sandiford  <richard@codesourcery.com>
9881
9882         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
9883         * config/mips/mips.c (mips_cpu_info_table): Mention
9884         MIPS_ISA_LEVEL_SPEC in the comment.
9885
9886 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9887
9888         PR tree-optimization/32713
9889         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
9890
9891 2007-07-11  Paolo Carlini  <pcarlini@suse.de>
9892
9893         PR middle-end/30482
9894         * c-opts.c (c_common_post_options): Do not change flag_complex_method
9895         conditional to flag_isoc99.
9896         (c_common_init_options): Do it here, unconditionally.
9897
9898 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9899
9900         PR tree-optimization/32589
9901         * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
9902         * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
9903         * tree-ssa-propagate.c (valid_gimple_expression_p): New
9904         predicate, extracted from...
9905         (set_rhs): ...here.  Call it for the expression on entry.
9906         * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
9907         * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
9908         (simplify_binary_expression): Use valid_gimple_expression_p
9909         to validate the simplification.
9910         * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
9911
9912 2007-07-11  Danny Smith  <dannysmith@users.sourceforge.net>
9913
9914         * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
9915         DWARF2_DEBUG on 32 bit target too.
9916         (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition.
9917
9918 2007-07-11  Nick Clifton  <nickc@redhat.com>
9919
9920         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
9921         version for 64-bit hosts.
9922
9923 2007-07-10  David Daney  <ddaney@avtrex.com>
9924
9925         * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
9926         predicate.
9927         (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of  library
9928         call.
9929         * config/mips/mips.c (mips_expand_synci_loop): New function.
9930         * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
9931         (UNSPEC_RDHWR): Same.
9932         (UNSPEC_SYNCI): Same.
9933         (UNSPEC_SYNC): Same.
9934         (clear_cache): New expand.
9935         (sync): New insn.
9936         (synci): Same.
9937         (rdhwr): Same.
9938         (clear_hazard): Same.
9939         * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
9940         function.
9941         * testsuite/gcc.target/mips/clear-cache-1.c: New test.
9942         * testsuite/gcc.target/mips/clear-cache-2.c: New test.
9943
9944 2007-07-10  Ian Lance Taylor  <iant@google.com>
9945
9946         * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
9947         no_new_pseudos.
9948
9949 2007-07-10  David Daney  <ddaney@avtrex.com>
9950
9951         * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
9952         * builtins.c (expand_builtin___clear_cache): New function.
9953         (expand_builtin): Call expand_builtin___clear_cache for
9954         BUILT_IN_CLEAR_CACHE case.
9955         * doc/extend.texi (__builtin___clear_cache): Document new builtin.
9956         * doc/md.texi (clear_cache): Document new instruction pattern.
9957         * testsuite/gcc.dg/builtins-64.c: New test.
9958
9959 2007-07-11  Hans-Peter Nilsson  <hp@axis.com>
9960
9961         * config/cris/cris.md ("movsi"): Fix typo in last change.
9962
9963 2007-07-09  Geoffrey Keating  <geoffk@apple.com>
9964
9965         PR 32617
9966         * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
9967         FUNCTION_DECLs.
9968         (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
9969         * varasm.c (assemble_start_function): Honor DECL_ALIGN
9970         for FUNCTION_DECLs.  Don't use align_functions_log if
9971         DECL_USER_ALIGN.
9972         * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
9973         even for FUNCTION_DECLs.
9974         * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
9975         FUNCTION_DECLs.
9976         * tree.h (DECL_ALIGN): Update for new location of 'align'.
9977         (DECL_FUNCTION_CODE): Update for new location and name of
9978         'function_code'.
9979         (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
9980         (struct tree_decl_common): Move 'align' and 'off_align' out
9981         of union, ensure they're still on a 32-bit boundary.  Remove
9982         other fields in union 'u1'.
9983         (struct tree_function_decl): Add field 'function_code' replacing
9984         'u1.f' in tree_decl_common.
9985         * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
9986         * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
9987         (Variable Attributes): Cross-reference 'aligned' attribute
9988         to Function Attributes.
9989         * flags.h (force_align_functions_log): Delete.
9990         * toplev.c (force_align_functions_log): Delete.
9991
9992 2007-07-10  Uros Bizjak  <ubizjak@gmail.com>
9993
9994         PR target/32708
9995         * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
9996         (*vec_concatv2di_rex): New insn pattern.
9997
9998 2007-07-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9999
10000         PR target/32538
10001         * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
10002
10003 2007-07-10  Ian Lance Taylor  <iant@google.com>
10004
10005         Replace no_new_pseudos in backends.
10006         * rtl.h (can_create_pseudo_p): Define.
10007         * config/darwin.c (machopic_indirect_data_reference): Use
10008         can_create_pseudo_p () instead of no_new_pseudos.
10009         (machopic_indirect_data_reference): Likewise.
10010         (machopic_legitimize_pic_address): Likewise.
10011         * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
10012         (alpha_emit_set_const_1): Likewise.
10013         (alpha_emit_set_const): Likewise.
10014         (alpha_emit_conditional_move): Likewise.
10015         (alpha_split_conditional_move): Likewise.
10016         * config/alpha/alpha.md (various splitters): Likewise.
10017         (movti): Likewise.
10018         * config/arm/arm.c (legitimize_pic_address): Likewise.
10019         (arm_load_pic_register): Likewise.
10020         * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
10021         (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
10022         * config/bfin/bfin.c (legitimize_pic_address): Likewise.
10023         * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
10024         * config/cris/cris.md (movsi): Likewise.
10025         * config/frv/frv.md (symGOT2reg_hilo): Likewise.
10026         (symGOTOFF2reg_hilo): Likewise.
10027         (symGPREL2reg, symGPREL2reg_hilo): Likewise.
10028         * config/h8300/h8300.md (insv, extzv): Likewise.
10029         * config/i386/i386.c (ix86_expand_move): Likewise.
10030         (ix86_expand_vector_move): Likewise.
10031         (ix86_prepare_fp_compare_args): Likewise.
10032         (ix86_expand_carry_flag_compare): Likewise.
10033         * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
10034         (tls_dynamic_gnu2_combine_32): Likewise.
10035         (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
10036         * config/ia64/ia64.c (ia64_expand_move): Likewise.
10037         (ia64_expand_movxf_movrf): Likewise.
10038         * config/m32c/m32c.c (m32c_prepare_move): Likewise.
10039         (m32c_split_move): Likewise.
10040         (m32c_expand_insv): Likewise.
10041         * config/m68k/m68k.md (movsi): Likewise.
10042         * config/mips/mips.c (mips_force_temporary): Likewise.
10043         (mips_split_symbol): Likewise.
10044         (mips_move_integer): Likewise.
10045         (mips_legitimize_const_move): Likewise.
10046         * config/mn10300/mn10300.md (movsi): Likewise.
10047         * config/pa/pa.c (emit_move_sequence): Likewise.
10048         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
10049         (rs6000_got_register): Likewise.
10050         (create_TOC_reference): Likewise.
10051         (rs6000_machopic_legitimize_pic_address): Likewise.
10052         * config/rs6000/rs6000.md (add<mode>3): Likewise.
10053         (various splitters): Likewise.
10054         (iorsi3, xorsi3, iordi3, xordi3): Likewise.
10055         (movsi_got): Likewise.
10056         * config/s390/s390.c (emit_symbolic_move): Likewise.
10057         * config/s390/s390.md (movhi, movqi): Likewise.
10058         (load_multiple, store_multiple): Likewise.
10059         * config/score/score.c (score_force_temporary): Likewise.
10060         * config/sh/sh.c (prepare_move_operands): Likewise.
10061         (prepare_cbranch_operands): Likewise.
10062         (emit_fpu_switch): Likewise.
10063         (fpscr_set_from_mem): Likewise.
10064         * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
10065         (adddi3, subsi3): Likewise.
10066         (various splitters): Likewise.
10067         (divsi_inv_fp_combine): Likewise.
10068         (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
10069         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
10070         (sne): Likewise.
10071         * config/sh/predicates.md (xor_operand): Likewise.
10072         * config/sparc/sparc.c (legitimize_tls_address): Likewise.
10073         * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
10074         (movdi_pic_label_ref): Likewise.
10075         * config/spu/spu.c (spu_split_immediate): Likewise.
10076         * config/alpha/alpha.md (various splitters): Remove test
10077         !no_new_pseudos || reload_completed.
10078         * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
10079         no_new_pseudos.
10080         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
10081         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
10082         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
10083         * config/score/score.c (th_output_mi_thunk): Likewise.
10084         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
10085         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
10086
10087 2007-07-10  Kaz Kojima  <kkojima@gcc.gnu.org>
10088
10089         PR rtl-optimization/32664
10090         * mode-switching.c (create_pre_exit): Skip barrier insns.
10091
10092 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
10093
10094         * tree-scalar-evolution.c (scev_const_prop): Add arguments to
10095         force_gimple_operand_bsi.
10096         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
10097         rewrite_use_compare): Ditto.
10098         * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
10099         Ditto.
10100         * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
10101         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
10102         * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
10103         * tree-profile.c (prepare_instrumented_value,
10104         tree_gen_interval_profiler, tree_gen_pow2_profiler,
10105         tree_gen_one_value_profiler, tree_gen_ic_profiler,
10106         tree_gen_ic_func_profiler, tree_gen_average_profiler,
10107         tree_gen_ior_profiler): Ditto.
10108         * tree-ssa-reassoc.c (negate_value): Ditto.
10109         * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
10110         Use force_gimple_operand_bsi.
10111         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
10112         * tree-if-conv.c (add_to_dst_predicate_list,
10113         find_phi_replacement_condition): Ditto.
10114         * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
10115         Call mark_symbols_for_renaming for new statements.
10116         * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
10117
10118 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
10119
10120         * cfghooks.c (remove_edge): New function.
10121         (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
10122         loop exit rescans.
10123         * cfghooks.h (remove_edge): Declare.
10124         * cfg.c (remove_edge): Renamed to remove_edge_raw.
10125         * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
10126
10127 2007-07-09  Wolfgang Gellerich  <gellerich@de.ibm.com>
10128
10129         * optabs.h: Added declaration for signbit_optab.
10130         * optabs.c: (init_optabs): Added initialization for signbit_optab.
10131         * genoptinit.c (optabs): Added entry for signbit insns.
10132         * builtins.c (expand_builtin_signbit): Added code to use a signbit
10133         insn, if available.
10134         * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.
10135         * config/s390/s390.md (signbit<mode>2): New expander.
10136
10137 2007-07-09  Richard Guenther  <rguenther@suse.de>
10138
10139         PR middle-end/32698
10140         * fold-const.c (fold_plusminus_mult_expr): Move constant
10141         arguments second to allow decomposing.
10142
10143 2007-07-09  Alexandre Oliva  <aoliva@oliva.athome.lsd.ic.unicamp.br>
10144
10145         Revert:
10146         2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10147         PR debug/23551
10148         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10149         Disregard DECL_FROM_INLINE.
10150
10151 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
10152
10153         PR target/27855
10154         * doc/invoke.texi: Add ftree-reassoc flag.
10155         * common.opt (ftree-reassoc): New flag.
10156         * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
10157         (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
10158
10159 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
10160
10161         PR tree-optimization/32681
10162         * tree-if-conv.c (find_phi_replacement_condition): Use the condition
10163         saved in second_edge->aux when first_bb is a loop header.
10164
10165 2007-07-09  Jan HUbicka  <jh@suse.cz>
10166
10167         * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
10168
10169 2007-07-09  Richard Guenther  <rguenther@suse.de>
10170
10171         * c-decl.c (start_function): Do not promote return type.
10172
10173 2007-07-08  Daniel Franke  <franke.daniel@gmail.com>
10174
10175         * function.c (do_warn_unused_parameter): Do not warn if
10176         TREE_NO_WARNING is set.
10177
10178 2007-07-08  Andreas Schwab  <schwab@suse.de>
10179
10180         * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
10181
10182 2007-07-08  Sandra Loosemore  <sandra@codesourcery.com>
10183
10184         Revert this patch:
10185         2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10186
10187         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10188         apply to assembly language, too.
10189         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10190
10191 2007-07-07  Daniel Berlin  <dberlin@dberlin.org>
10192
10193         Revert (note the sccvn portions are *not* reverted)
10194         2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10195
10196         Fix PR tree-optimization/23488
10197
10198         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10199         handles.
10200         * tree-flow-inline.h (get_value_handle): Ditto.
10201         * tree-ssa-pre.c (decl_vh_map): New.
10202         (decl_node_pool): New.
10203         (can_value_number_operation): Support DECL_P.
10204         (can_PRE_operation): Ditto.
10205         (create_expression_by_pieces): Ditto.
10206         (find_existing_value_expr): Modify to differnetiate between
10207         addressing and top level.
10208         (create_value_handle_for_expr): Handle DECL's.
10209         (poolify_tree): Ditto.
10210         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10211         (make_values_for_stmt): Handle DECL's properly.
10212         (init_pre): Reorg to not init useless things during FRE.
10213         (fini_pre): Ditto.
10214         * tree-flow.h: Include pointer-set.h.
10215         (decl_vh_map): Declare.
10216         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10217
10218 2007-07-07 Eric Weddington  <eweddington@cso.atmel.com>
10219
10220         * config/avr/constraints.md (define_memory_constraint "Q"): Fix
10221         the constraint description.
10222         * doc/md.texi: Update documentation of AVR constraints.
10223
10224 2007-07-07  Kazu Hirata  <kazu@codesourcery.com>
10225
10226         * auto-inc-dec.c, config/arm/arm.c,
10227         config/m32r/constraints.md, config/mips/mips.md,
10228         config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
10229         df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
10230         tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
10231         typos.  Follow spelling conventions.
10232         * doc/invoke.texi, doc/rtl.texi: Fix typos.
10233
10234         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
10235         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
10236
10237         * tree-ssa-operands.c (realloc_vop, realloc_vdef,
10238         realloc_vuse): Remove.
10239         * tree-ssa-operands.h: Remove the prototype for realloc_vdef
10240         and realloc_vuse.
10241
10242 2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10243
10244         Fix PR tree-optimization/23488
10245
10246         * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
10247         (try_to_simplify): Ditto.
10248         (visit_use): Ditto.
10249         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10250         handles.
10251         * tree-flow-inline.h (get_value_handle): Ditto.
10252         * tree-ssa-pre.c (decl_vh_map): New.
10253         (decl_node_pool): New.
10254         (can_value_number_operation): Support DECL_P.
10255         (can_PRE_operation): Ditto.
10256         (create_expression_by_pieces): Ditto.
10257         (find_existing_value_expr): Modify to differnetiate between
10258         addressing and top level.
10259         (create_value_handle_for_expr): Handle DECL's.
10260         (poolify_tree): Ditto.
10261         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10262         (make_values_for_stmt): Handle DECL's properly.
10263         (init_pre): Reorg to not init useless things during FRE.
10264         (fini_pre): Ditto.
10265         * tree-flow.h: Include pointer-set.h.
10266         (decl_vh_map): Declare.
10267         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10268
10269 2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10270
10271         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10272         apply to assembly language, too.
10273         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10274
10275 2007-07-06  Ian Lance Taylor  <iant@google.com>
10276             Zack Weinberg  <zackw@panix.com>
10277
10278         PR middle-end/32441
10279         * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
10280
10281 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10282
10283         * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
10284         (prefetch): Likewise if "pref" would be used.
10285
10286 2007-07-06  Josh Conner  <jconner@apple.com>
10287
10288         PR middle-end/32602
10289         PR middle-end/32603
10290         * calls.c (store_one_arg): Handle arguments which are partially
10291         on the stack when detecting argument overlap.
10292
10293 2007-07-06  Bernd Schmidt  <bernd.schmidt@analog.com>
10294
10295         * reload1.c (choose_reload_regs): Set reload_spill_index for regs
10296         chosen during find_reloads.
10297
10298 2007-07-06  Richard Guenther  <rguenther@suse.de>
10299
10300         * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
10301         TYPE_ARG_TYPES for verification of argument types.  Use
10302         DECL_ARG_TYPE instead of the PARM_DECL type.  Take excess
10303         parameters as variable arguments.
10304
10305 2007-07-06  Andreas Krebbel  <krebbel1@de.ibm.com>
10306
10307         * libgcc2.h (word_type): Type definition removed.
10308         (cmp_return_type, shift_count_type): Type definitions added.
10309         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10310         replaced with shift_count_type.
10311         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10312         cmp_return_type.
10313         * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
10314         changed from word_type to Wtype.
10315         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10316         replaced with shift_count_type.
10317         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10318         cmp_return_type.
10319         * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
10320         and libgcc_shift_count attribute added.
10321         * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
10322         TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
10323         (TARGET_INITIALIZER): New target hooks added.
10324         * targhooks.c (default_libgcc_cmp_return_mode,
10325         default_libgcc_shift_count_mode): Default implementations for the new
10326         target hooks added.
10327         * targhooks.h (default_libgcc_cmp_return_mode,
10328         default_libgcc_shift_count_mode): Function prototypes added.
10329         * target.h (struct gcc_target): Fields for the new target hooks added.
10330         * optabs.c (expand_binop): Use shift_count_mode when expanding shift
10331         as library call.
10332         (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
10333         library call.
10334
10335         * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
10336         TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
10337
10338         * config/s390/s390.c (s390_libgcc_cmp_return_mode,
10339         s390_libgcc_shift_count_mode): Functions added.
10340         (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
10341         Target hooks defined.
10342
10343 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10344
10345         * config/mips/mips.c (compute_frame_size): Restore the original
10346         gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
10347         fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
10348         Document why the difference is needed.
10349
10350 2007-07-06  Richard Guenther  <rguenther@suse.de>
10351
10352         * c-common.c (boolean_increment): Use correctly typed
10353         constant.
10354
10355 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10356
10357         * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
10358         the topmost argument register is not also included in the save mask.
10359         (mips16e_collect_argument_save_p): Take a pointer to the argument
10360         register, rather than a pointer to the number of arguments.
10361         (mips16e_collect_argument_saves): Only include argument saves
10362         that aren't in the register mask.
10363
10364 2007-07-06  Uros Bizjak  <ubizjak@gmail.com>
10365
10366         PR rtl-optimization/32450
10367         * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
10368         to ensure that instructions are not moved into the prologue when
10369         profiling is on.  Remove unused prologue_end variable.
10370         (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
10371         as a scheduling barrier.
10372
10373 2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10374
10375         PR debug/23551
10376         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10377         Disregard DECL_FROM_INLINE.
10378
10379 2007-07-05  Adam Nemet  <anemet@caviumnetworks.com>
10380
10381         * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
10382         IORing with a constant.
10383
10384 2007-07-05  Seongbae Park  <seongbae.park@gmail.com>
10385
10386         PR rtl-optimization/32475
10387         * df-scan.c (df_def_record_1): Add a use of the stack pointer
10388         for every definition of the stack pointer.
10389
10390 2007-07-05  Richard Earnshaw  <rearnsha@arm.com>
10391
10392         * arm.c (vfp3_const_double_index): Copy signed results of
10393         REAL_VALUE_TO_INT into unsigned vars.
10394
10395 2007-07-05  Richard Guenther  <rguenther@suse.de>
10396
10397         PR middle-end/32639
10398         * alias.c (get_alias_set): Tread METHOD_TYPE the same as
10399         FUNCTION_TYPE.
10400         * tree-ssa.c (useless_type_conversion_p): Check canonical
10401         types early.
10402
10403 2007-07-05 Anatoly Sokolov <aesok@post.ru>
10404
10405         * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
10406         zero_extendhisi2): Change to define_insn_and_split.
10407         (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
10408
10409 2007-07-05  Paolo Bonzini  <bonzini@gnu.org>
10410
10411         * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
10412         pass_match_asm_constraints): New.
10413         * passes.c (init_optimization_passes): Add new pass.
10414         * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
10415         * function.h (struct function): Add has_asm_statement bit.
10416         (current_function_has_asm_statement): New.
10417         * tree-pass.h (pass_match_asm_constraints): New.
10418
10419 2007-07-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10420
10421         * config/mips/mips.c (mips_file_start): Avoid declaration
10422         after code.
10423
10424 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10425
10426         * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
10427
10428 2007-07-05  Uros Bizjak  <ubizjak@gmail.com>
10429
10430         * rtl.def (NOTE): Change print format string to print
10431         operand 5 as a note insn name.
10432
10433 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10434             David Ung  <davidu@mips.com>
10435
10436         * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
10437         * doc/invoke.texi: (MIPS Options): Document them.
10438
10439 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10440             David Ung  <davidu@mips.com>
10441
10442         Add support for SmartMIPS ASE.
10443
10444         * optabs.c (expand_binop_directly): New, broken out from...
10445         (expand_binop): Here.  Make it try rotating in the other
10446         direction even when the second operand isn't constant.
10447         * config/mips/mips.md (*lwxs): New.
10448         * config/mips/mips.opt (msmartmips): New.
10449         * config/mips/mips.c (mips_lwxs_address_p): New.
10450         (mips_rtx_costs): Make it recognize scaled indexed addressing.
10451         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
10452         __mips_smartmips when compiling for TARGET_SMARTMIPS.
10453         (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
10454         (ISA_HAS_LWXS): New.
10455         (ASM_SPEC): Add -msmartmips/-mno-smartmips.
10456         * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
10457         * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
10458         * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
10459         * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
10460         * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
10461         * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
10462
10463 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10464
10465         * tree-vectorizer.c (new_loop_vec_info): Initialize
10466         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10467         * tree-vectorizer.h (_loop_vec_info): Added new filed
10468         min_profitable_iters.
10469         (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
10470         (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
10471         * tree-vect-analyze.c (vect_analyze_operations): Set
10472         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10473         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
10474         VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
10475         Fix calculation of peel_iters_prologue. Move consideration of epilogue
10476         and prologue cost to after they are computed.
10477         (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
10478         TARG_VEC_STMT_COST.
10479         (vect_model_simple_cost): Takes additional argument dt. Consider cost
10480         of creating vectors from scalars according to dt.
10481         (vect_model_store_cost): Likewise.
10482         (vectorizable_call): Use dt array instead of scalar dt. Call
10483         vect_model_simple_cost with additional argument dt.
10484         (vectorizable_assignment): Likewise.
10485         (vectorizable_operation): Likewise.
10486         (vectorizable_type_demotion): Likewise.
10487         (vectorizable_type_promotion): Likewise.
10488         (vectorizable_store): Use dt array instead of scalar dt. Call
10489         vect_model_store_cost with additional argument dt.
10490         (vect_do_peeling_for_loop_bound): Don't call
10491         vect_estimate_min_profitable_iters. Instead, lookup
10492         LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
10493         "may not be profitable".
10494
10495 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10496
10497         PR testsuite/32014
10498         * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
10499         (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
10500         (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
10501         (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
10502
10503 2007-07-05  Zdenek Dvorak  <dvorakz@suse.cz>
10504
10505         * config/i386/i386.c (ix86_address_cost): Do not consider more complex
10506         addressing modes cheaper.
10507
10508 2007-07-05  Alexandre Oliva  <aoliva@redhat.com>
10509
10510         * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
10511         (dw_ranges_struct): Rename block_num to num.  Adjust.
10512         (dw_ranges_by_label_struct): New.
10513         (ranges_by_label, ranges_by_label_allocated,
10514         ranges_by_label_in_use): New variables.
10515         (add_ranges_num): Factored most of the code out of...
10516         (add_ranges): ... this one.  Rewrite in terms of the former.
10517         (add_ranges_by_labels): New.
10518         (output_ranges): Output by-label ranges.
10519         (dwarf2out_finish): Output range for multiple-section
10520         compile_unit.  Output standard DW_AT_low_pc in addition to
10521         unexpected DW_AT_entry_pc.
10522
10523 2007-07-04  Daniel Berlin  <dberlin@dberlin.org>
10524
10525         PR tree-optimization/32604
10526         PR tree-optimization/32606
10527
10528         * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
10529         (compute_antic_safe): Removed.
10530         (ANTIC_SAFE_LOADS): Ditto.
10531         (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
10532         (execute_pre): Don't call compute_antic_safe.
10533         (vuse_equiv): New function.
10534         (make_values_for_stmt): Use it
10535         * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
10536         not always true.
10537
10538 2007-07-04 Anatoly Sokolov <aesok@post.ru>
10539
10540         PR target/31331
10541         * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
10542         rather than a decl.
10543         (avr_attribute_table): Make "naked" attribute apply to function types
10544         rather than to decls.
10545         (avr_handle_fntype_attribute): New function.
10546
10547 2007-07-04  Joseph Myers  <joseph@codesourcery.com>
10548
10549         * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
10550         after \.
10551
10552 2007-07-04  David Ung  <davidu@mips.com>
10553             Joseph Myers  <joseph@codesourcery.com>
10554
10555         * config/mips/mips.md (type): Add logical, signext and move.
10556         (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
10557         *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
10558         *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
10559         combinations", *zero_extend<SHORT:mode><GPR:mode>2,
10560         *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
10561         *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
10562         *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
10563         *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
10564         *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
10565         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
10566         movv2sf_hardfloat_64bit): Use the new types.
10567         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
10568         *movdf_softfloat, *movdf_mips16): Use "multi".
10569         (extendqihi2): Replace with a define_expand.
10570         (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
10571         Based on extend<SHORT:mode><GPR:mode>2 patterns.
10572         * config/mips/74k.md (r74k_int_logical): New reservation and
10573         bypasses.
10574         (r74k_int_arith): Remove "slt".
10575         * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
10576         config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
10577         config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
10578         config/mips/sb1.md, config/mips/sr71k.md: Add new types to
10579         reservations for "arith".
10580
10581 2007-07-04  Richard Guenther  <rguenther@suse.de>
10582
10583         * tree-ssa.c (useless_type_conversion_p): Add handling for
10584         scalar float and vector types.  Only call the types_compatible_p
10585         langhook for aggregate types as last resort.  Follow the
10586         rules.
10587
10588 2007-07-04  Richard Guenther  <rguenther@suse.de>
10589
10590         * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
10591         the same as NOP_EXPR.
10592
10593 2007-07-04  Nick Clifton  <nickc@redhat.com>
10594
10595         * target.h (struct gcc_target): Add target_help field.
10596         * target-def.h (TARGET_HELP): New.
10597         (TARGET_INITIALIZER): Use TARGET_HELP.
10598         * opts.c (command_handle_option): Invoke target_help function, if
10599         defined, when the user has specified --target-help on the command
10600         line.
10601         * doc/invoke.texi: Mention that --target-help might print
10602         additional information.
10603         * doc/tm.texi: Document TARGET_HELP hook.
10604
10605         * arm.c (TARGET_HELP): Override default definition.
10606         (arm_target_help): New - display a wrapped list of cores and
10607         architectures supported.
10608
10609 2007-07-04  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10610
10611         * config/v850/v850.c (expand_prologue): Make sure
10612         GEN_INT() argument is sign extended rather than zero extended.
10613         (expand_epilogue): Likewise.
10614         (output_move_double): Delete.
10615         * config/v850/v850-protos.h (output_move_double): Delete.
10616         * config/v850/v850.md (movdi): Delete.
10617         (*movdi_internal): Delete.
10618         (movdf): Delete.
10619         (*movdf_internal): Delete.
10620
10621 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10622
10623         * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
10624         unless compiling RTP PIC.
10625
10626 2007-07-04  Richard Guenther  <rguenther@suse.de>
10627
10628         PR tree-optimization/32482
10629         * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
10630         original ssa name if we didn't find a shift expression.
10631         Fix shift constant for bit zero test.
10632
10633 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10634
10635         * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
10636
10637 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10638
10639         * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
10640         * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
10641         * config/arm/vxworks.h (ASM_SPEC): Delete.
10642         (SUBTARGET_EXTRA_ASM_SPEC): Define.
10643
10644 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10645
10646         * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
10647         (DDR_REVERSED_P): New.
10648         * tree-data-ref.c (initialize_data_dependence_relation,
10649         build_classic_dist_vector): Set DDR_REVERSED_P.
10650
10651 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10652
10653         PR middle-end/32457
10654         * tree-data-ref.c (analyze_siv_subscript_cst_affine,
10655         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10656         init_omega_for_ddr_1): Use non conservative number of iterations
10657         estimations.
10658         (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
10659         (analyze_siv_subscript): Remove FIXME and reinitialization of
10660         last_conflicts to chrec_dont_know.
10661         * testsuite/gfortran.dg/vect/pr32457.f90: New.
10662
10663 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10664
10665         * tree.c (maybe_canonicalize_argtypes): Improve description.
10666
10667 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10668
10669         * tree.c (maybe_canonicalize_argtypes): New.
10670         (build_function_type): Set canonical type.
10671         (build_method_type_directly): Ditto.
10672         (reconstruct_complex_type): Rebuild the METHOD_TYPE node
10673         properly.
10674
10675 2007-07-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10676
10677         * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
10678         like PLUS_EXPR.
10679         (rewrite_use_nonlinear_expr): Likewise.
10680
10681 2007-07-03  Seongbae Park  <seongbae.park@gmail.com>
10682
10683         * rtl.def (UNSPEC, USE, CLOBBER): More comments.
10684
10685 2007-07-04  Ben Elliston  <bje@au.ibm.com>
10686
10687         * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
10688         of this file.
10689
10690         * c-objc-common.c (c_types_compatible_p): Fix indentation.
10691
10692         * doc/tm.texi (Run-time Target): Capitalise "CPU".
10693         (Exception Handling): Likewise.
10694
10695 2007-07-03  Jan Hubicka  <jh@suse.cz>
10696
10697         * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
10698
10699 2007-07-03  Eric Christopher  <echristo@apple.com>
10700
10701         * doc/cppopts.texi: Add conflicting option note to -dM.
10702         * doc/invoke.texi: Add note about possible conflicts with
10703         -E for -dCHARS and note that -dM will not produce
10704         any results if there is no machine dependent reorg.
10705
10706 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10707
10708         * tree.h (DECL_ALIGN): Back out previous change.
10709
10710 2007-07-03  Joseph Myers  <joseph@codesourcery.com>
10711
10712         * configure.ac: Test for .dtprelword support on MIPS.
10713         * configure, config.in: Regenerate.
10714         * config/mips/mips.c (mips_output_dwarf_dtprel): New.
10715         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
10716
10717 2007-07-03  Julian Brown  <julian@codesourcery.com>
10718
10719         * config.gcc (with_fpu): Allow --with-fpu=vfp3.
10720         * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
10721         * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
10722         * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
10723         capability.
10724         (all_fpus): Add FPUTYPE_VFP3.
10725         (fp_model_for_fpu): Add VFPv3 field.
10726         (arm_rtx_costs_1): Give cost to VFPv3 constants.
10727         (vfp3_const_double_index): New function. Return integer index of
10728         VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
10729         isn't suitable.
10730         (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
10731         and argument represents a valid RTX for a VFPv3 constant.
10732         (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
10733         two instructions.
10734         (vfp_emit_fstmd): Similar, for fstmd.
10735         (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
10736         constants, represented as integer indices.
10737         (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
10738         VFP_REGNO_OK_FOR_DOUBLE macros.
10739         (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
10740         (arm_file_start): Set float-abi attribute for VFPv3, and output
10741         correct ".fpu" assembler directive.
10742         (arm_dbx_register_numbering): Add FIXME.
10743         * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
10744         (fputype): Add FPUTYPE_VFP3.
10745         (FIXED_REGISTERS): Add 32 registers for D16-D31.
10746         (CALL_USED_REGISTERS): Likewise.
10747         (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
10748         of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
10749         (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
10750         (D7_VFP_REGNUM): New.
10751         (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
10752         (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
10753         (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
10754         (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
10755         (REG_ALLOC_ORDER): Adjust for VFPv3.
10756         (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
10757         (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
10758         VFP_LO_REGS, VFP_HI_REGS.
10759         (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
10760         (IS_VFP_CLASS): Define macro.
10761         (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
10762         IS_VFP_CLASS.
10763         (REGISTER_MOVE_COST): Likewise.
10764         * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
10765         * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
10766         (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
10767         (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
10768         (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
10769         (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
10770         (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
10771         (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
10772         (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
10773         (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
10774         (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
10775         where appropriate for single-word registers.
10776         (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
10777         As above. Fix type attributes.
10778         * config/arm/constraints.md (register_contraint "t"): Define.
10779         (register_constraint "w"): Change to D0-D15, or D0-D31 for
10780         VFPv3/NEON.
10781         (register_constraint "x"): Define.
10782         (constraint "Dv"): Define.
10783
10784 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10785
10786         * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
10787
10788 2007-07-03  Tom Tromey  <tromey@redhat.com>
10789
10790         * c-parser.c (objc_pq_context): Removed.
10791         (objc_need_raw_identifier): Likewise.
10792         (c_parser) <objc_pq_context>: New field.
10793         <objc_need_raw_identifier>: Likewise.
10794         (OBJC_NEED_RAW_IDENTIFIER): Removed.
10795         (c_lex_one_token): Update.
10796         (c_parser_objc_protocol_definition): Update.
10797         (c_parser_objc_method_definition): Update.
10798         (c_parser_objc_methodproto): Update.
10799         (c_parser_declspecs): Update.
10800
10801 2007-07-03  David Ung  <davidu@mips.com>
10802
10803         * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
10804
10805 2007-07-03  David Ung  <davidu@mips.com>
10806             Richard Sandiford  <richard@codesourcery.com>
10807
10808         * doc/invoke.texi: Document -march=74kf3_2.
10809         * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
10810         (TUNE_74K): Check for it.
10811         * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
10812         (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
10813         * config/mips/mips.md (cpu): Add 74kf3_2.
10814         * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
10815         (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
10816         (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
10817         (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
10818         74kf3_2 to the CPU list.
10819         (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
10820         (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
10821         (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
10822         (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
10823         (r74kf3_2_fxfer_from_c1): New insn reservations.
10824
10825 2007-07-03  Richard Sandiford  <richard@codesourcery.com>
10826             David Ung  <davidu@mips.com>
10827
10828         * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
10829         -march=24kx with -march=24kf1_1.  Likewise 24ke[fx], 34k[fx]
10830         and 74k[fx].  Document aliases for the new options.
10831         * config/mips/mips.h (PROCESSOR_24KF): Rename to...
10832         (PROCESSOR_24KF2_1): ...this.
10833         (PROCESSOR_24KX): Rename to...
10834         (PROCESSOR_24KF1_1): ...this.
10835         (PROCESSOR_74KF): Rename to...
10836         (PROCESSOR_74KF2_1): ...this.
10837         (PROCESSOR_74KX): Rename to...
10838         (PROCESSOR_74KF1_1): ...this.
10839         (TUNE_74K): Update PROCESSOR_* names.
10840         * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
10841         for 24kf.  Add 24kf1_1 and 24kfx as synonyms for 24kx.  Likewise
10842         the 24ke*, 34k* and 74k* processors.  Update PROCESSOR_* names.
10843         (mips_rtx_cost_data): Update processor names in comments.
10844         (mips_issue_rate): Update PROCESSOR_* names.
10845         * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
10846         24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
10847         * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
10848         to r24kf2_1_*.  Rename r24kx_* insn reservations to r24kf1_1_*.
10849         Update cpu attribute names.
10850         (r24k_fpu_iss): Rename this reservation to...
10851         (r24kf2_1_fpu_iss): ...this and update all uses.
10852         (r24kx_fpu_iss): Rename this reservation to...
10853         (r24kf1_1_fpu_iss): ...this and update all uses.
10854         * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
10855         to r74kf2_1_*.  Rename r74kx_* insn reservations to r74kf1_1_*.
10856         Update cpu attribute names.
10857
10858 2007-07-01  Kaz Kojima  <kkojima@gcc.gnu.org>
10859
10860         * config/m32r/constraints.md: New file.
10861         * config/m32r/m32r.c: Include tm-constrs.h.
10862         (small_data_operand): Use satisfies_constraint_* instead of macro.
10863         (addr24_operand, gen_compare): Likewise.
10864         * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
10865         (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
10866         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
10867         EXTRA_CONSTRAINT): Likewise.
10868         * config/m32r/m32r.md: Include constraints.md.
10869         (*movsi_insn): Use satisfies_constraint_* instead of macro.
10870         (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
10871         * config/m32r/predicates.md (conditional_move_operand): Likewise.
10872         (two_insn_const_operand, int8_operand, uint16_operand,
10873         reg_or_int16_operand, reg_or_uint16_operand,
10874         reg_or_cmp_int16_operand, cmp_int16_operand,
10875         seth_add3_operand): Likewise.
10876
10877 2007-07-03  Eric Christopher  <echristo@gmail.com>
10878
10879         * libgcc2.h: Conditionally declare __bswapsi2 and
10880         __bswapdi2.
10881
10882 2007-07-03  H.J. Lu  <hongjiu.lu@intel.com>
10883
10884         * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
10885         defined.
10886
10887 2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10888
10889         PR target/28307
10890         * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
10891         (__gthrw_pragma): Provide default definition.
10892         (__gthrw2): Use it.
10893         * gthr-posix.c (__gthrw_pragma): Define.
10894
10895 2007-07-03  Daniel Berlin  <dberlin@dberlin.org>
10896
10897         * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
10898         before declaring inequality.
10899
10900 2007-07-03  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10901
10902         * combine.c (recog_for_combine): Log the success or failure of
10903           matching new insn patterns against the machine description in
10904           detailed dumps.
10905
10906 2007-07-03  Revital Eres  <eres@il.ibm.com>
10907
10908         * ddg.c (print_sccs): New function.
10909         (check_sccs): New function.
10910         (create_ddg_all_sccs): Use it.
10911         * ddg.h (print_sccs): Declare.
10912         * modulo-sched.c (sms_order_nodes): Call print_sccs.
10913
10914 2007-07-03  Uros Bizjak  <ubizjak@gmail.com>
10915
10916         * targhooks.h (default_mode_for_suffix): New function declaration.
10917         * targhooks.c (default_mode_for_suffix): New default target hook.
10918         * target.h (struct c): New structure in the targetm struct.
10919         (mode_for_suffix): New target hook as part of struct c.
10920         target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
10921         default_mode_for_suffix.
10922         (TARGET_C): New define.
10923         * c-lex.c: Include "target.h".
10924         (interpret_float): Use targetm.c.mode_for_suffix to determine
10925         the mode for a given non-standard suffix.
10926         Makefile.in (c-lex.o): Depend on $(TARGET_H).
10927
10928         * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
10929         (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
10930
10931         * doc/extend.texi (Floating Types): New node.  Document __float80 and
10932         __float128 types.  Document 'w', 'W', 'q' and 'Q' suffixes.
10933
10934 2007-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10935
10936         PR target/32506
10937         * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
10938         predicate instead of target_operand.
10939         (divsi3_i1_media, divsi3_media_2): Likewise.
10940
10941 2007-07-02  Eric Botcazou  <ebotcazou@adacore.com>
10942
10943         * tree.h (alias_sets_might_conflict_p): Rename into
10944         alias_sets_must_conflict_p.
10945         * alias.c (alias_sets_might_conflict_p): Likewise.
10946         (alias_sets_conflict_p): Use it.
10947         (objects_must_conflict_p): Likewise.
10948         * c-common.c (strict_aliasing_warning): Adjust.
10949
10950 2007-07-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10951
10952         * rtlhooks.c (gen_lowpart_if_possible): Check for
10953         invalid subreg before calling gen_lowpart_SUBREG.
10954
10955 2007-07-02  Geoffrey Keating  <geoffk@apple.com>
10956
10957         * config/darwin9.h: Add copyright notice.
10958         (LINK_COMMAND_SPEC): Add comment.
10959         (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
10960         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
10961         DARWIN_LIBSYSTEM_HAS_UNWIND.
10962
10963 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
10964
10965         PR libgomp/32468
10966         * omp-low.c (check_combined_parallel): New function.
10967         (lower_omp_parallel): Call it via walk_stmts, set
10968         OMP_PARALLEL_COMBINED if appropriate.
10969         (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
10970         isn't the only statement in WS_ENTRY_BB or OMP_RETURN
10971         the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
10972         don't consider it as combined parallel.
10973
10974 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
10975
10976         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
10977         (gcc_tooldir): Likewise.
10978         * configure: Regenerate.
10979         * Makefile.in (libsubdir_to_prefix): New variable, based on the
10980         old configure.ac gcc_tooldir setting.
10981         (prefix_to_exec_prefix): New variable.
10982         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
10983         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
10984
10985 2007-07-02  Daniel Berlin  <dberlin@dberlin.org>
10986
10987         Fix PR tree-optimization/32583
10988         Fix PR tree-optimization/32584
10989         * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
10990         (phi_translate_set): Use phi_translate directly now.
10991         (make_values_for_stmt): Don't value number RHS if we already know
10992         it is constant.
10993
10994 2007-07-02  Steve Ellcey  <sje@cup.hp.com>
10995             Jim Wilson <wilson@specifix.com>
10996
10997         PR target/31684
10998         * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
10999         copy_insn.
11000
11001 2007-07-02  Sandra Loosemore  <sandra@codesourcery.com>
11002             Richard Sandiford  <richard@codesourcery.com>
11003             Nigel Stephens  <nigel@mips.com>
11004
11005         * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
11006         (mips16e_output_save_restore): Declare.
11007         (mips16e_save_restore_pattern_p): Likewise.
11008         * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
11009         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
11010         for GENERATE_MIPS16E_SAVE_RESTORE.  Return 0x400 for TARGET_MIPS16
11011         && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
11012         (BITSET_P): New global macro, extracted from...
11013         (mips_for_each_saved_reg): ...here.
11014         (mips16e_save_restore_info): New struct.
11015         (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
11016         (mips16e_save_restore_regs): New variable.
11017         (mips_split_plus, mips16e_find_first_register): New functions.
11018         (mips16e_mask_registers): New function.
11019         (compute_frame_size): Expand the commentary before the function.
11020         Enforce the MIPS16e save and restore register range restrictions.
11021         Pad the general register save area at the low end.
11022         (mips16e_save_restore_reg, mips16e_build_save_restore)
11023         (mips16e_save_restore_pattern_p, mips16e_add_register_range)
11024         (mips16e_output_save_restore, mips16e_collect_propagate_value)
11025         (mips16e_collect_argument_save, mips16e_collect_argument_saves):
11026         New functions.
11027         (mips_expand_prologue, mips_expand_epilogue): Handle
11028         GENERATE_MIPS16E_SAVE_RESTORE.
11029         * config/mips/mips.md (*mips16e_save_restore): New pattern.
11030
11031 2007-07-02  Uros Bizjak  <ubizjak@gmail.com>
11032
11033         PR tree-optimization/31966
11034         PR tree-optimization/32533
11035         * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
11036         "basic_block" description as its third argument.  Update function
11037         calls to get destination bb from "edge" argument.  Save "cond" into
11038         aux field of the edge.  Update prototype for changed arguments.
11039         (if_convertible_loop_p): Clear aux field of incoming edges if bb
11040         contains phi node.
11041         (find_phi_replacement_condition): Operate on incoming edges, not
11042         on predecessor blocks.  If there is a condition saved in the
11043         incoming edge aux field, AND it with incoming bb predicate.
11044         Return source bb of the first edge.
11045         (clean_predicate_lists): Clean aux field of outgoing node edges.
11046         (tree_if_conversion): Do not initialize cond variable. Move
11047         variable declaration into the loop.
11048         (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
11049         initializations of new_stmt, arg0 and arg1 variables.
11050
11051 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
11052
11053         * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
11054         SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
11055
11056 2007-07-02  Richard Guenther  <rguenther@suse.de>
11057
11058         * tree-ssa.c (useless_type_conversion_p): Document
11059         future intent as defining the middle-end type system.
11060         Re-structure to call langhook last, group by type class,
11061         mark questionable parts.
11062
11063 2007-07-02  Richard Guenther  <rguenther@suse.de>
11064
11065         * tree-flow.h (types_compatible_p): Declare.
11066         * tree-ssa.c (types_compatible_p): New function.
11067         * ipa-type-escape.c (discover_unique_type): Use
11068         types_compatible_p instead of lang_hooks.types_compatible_p.
11069         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
11070         * tree-vn.c (expressions_equal_p): Likewise.
11071         * tree.c (fields_compatible_p): Likewise.
11072         * tree-ssa-dom.c (avail_expr_eq): Likewise.
11073         (cprop_operand): Use useless_type_conversion_p instead of
11074         lang_hooks.types_compatible_p.
11075         * tree-inline.c (setup_one_parameter): Likewise.
11076         (declare_return_variable): Likewise.
11077         * tree-nrv.c (tree_nrv): Likewise.
11078         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
11079         (maybe_fold_offset_to_component_ref): Likewise.
11080         (maybe_fold_offset_to_reference): Likewise.
11081         * tree-ssa-copy.c (may_propagate_copy): Likewise.
11082         (merge_alias_info): Likewise.
11083         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
11084         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
11085         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
11086         * tree-tailcall.c (find_tail_calls): Likewise.
11087         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
11088         * gimplify.c (canonicalize_addr_expr): Likewise.
11089         (fold_indirect_ref_rhs): Likewise.
11090         (gimplify_addr_expr): Likewise.  Swap parameters to cpt_same_type.
11091         (cpt_same_type): Likewise.
11092         (check_pointer_types_r): Swap parameters to cpt_same_type
11093         where appropriate.
11094         * fold-const.c (fold_convert): Revert fix for PR15988.
11095         * tree-inline.c (setup_one_parameter): Instead fix it here by
11096         using fold_build1 instead of fold_convert and checking for
11097         error_mark_node.  Convert only if the conversion is necessary.
11098
11099 2007-07-02  Joseph Myers  <joseph@codesourcery.com>
11100
11101         * configure.ac: Check for .gnu_attribute on Power.
11102         * configure: Regenerate.
11103         * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
11104         attribute for floating-point ABI.
11105
11106 2007-07-02  Ira Rosen  <irar@il.ibm.com>
11107
11108         PR tree-optimization/32230
11109         PR tree-optimization/32477
11110         * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
11111         address is a constant.
11112
11113 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
11114
11115         * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
11116         (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
11117         (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
11118         stanzas.  Use the first part of the triplet to set MIPS_ISA_DEFAULT.
11119         Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
11120         64-bit targets.  Add support for *-elfoabi*.
11121         * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
11122         different settings if $(tm_defines) does not select the EABI.
11123         (MULTILIB_EXCLUSIONS): Define in those circumstances.
11124         * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
11125         (MIPS_ARCH_OPTION_SPEC): Likewise.
11126         (MIPS_ISA_LEVEL_SPEC): Likewise.
11127         (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
11128         * config/mips/elfoabi.h: New file.
11129
11130 2007-07-02  Richard Guenther  <rguenther@suse.de>
11131
11132         * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
11133         (useless_type_conversion_p): ... this.
11134         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
11135         (useless_type_conversion_p): ... this.
11136         * builtins.c (fold_builtin_memory_op): Rename
11137         tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
11138         * tree-cfg.c (verify_expr): Likewise.
11139         * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
11140         * tree-ssa-ccp.c (ccp_fold): Likewise.
11141         * tree-ssa-copy.c (may_propagate_copy): Likewise.
11142         * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
11143         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
11144         * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
11145         * tree-ssa-pre.c (eliminate): Likewise.
11146         * tree-ssa.c (delete_tree_ssa): Likewise.
11147         (tree_ssa_useless_type_conversion): Likewise.
11148         * tree.c (build2_stat): Likewise.
11149
11150 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
11151
11152         Fix PR tree-optimization/32571
11153         * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
11154         simplifying them.
11155
11156 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
11157
11158         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
11159         and other expected operations explicitly, change default to
11160         gcc_unreachable.
11161
11162 2007-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
11163
11164         * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
11165         PARALLEL.
11166         * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
11167         (tls_load_dot_plus_eight): Move the label number into the unspec.
11168         * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
11169
11170 2007-07-01  Andreas Schwab  <schwab@suse.de>
11171
11172         * dwarf2out.c (initial_return_save): Define only if used.
11173
11174 2007-07-01  Kenneth Zadeck <zadeck@naturalbridge.com>
11175
11176         Unreverting Richard's Revert of:
11177
11178         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11179
11180         * dce.c (deletable_insn_p_1): New function, split out from...
11181         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11182         specially, not those inside PARALLELs.  Remove BODY argument
11183         and adjust recursive call accordingly.
11184         (prescan_insns_for_dce): Update call to delete_insn_p.
11185
11186 2007-07-01  Vladimir Yanovsky  <yanov@il.ibm.com>
11187             Revital Eres  <eres@il.ibm.com>
11188
11189         * ddg.c (create_ddg_all_sccs): Fix missed
11190         initialization of scc_nodes.
11191
11192 2007-07-01  Uros Bizjak  <ubizjak@gmail.com>
11193
11194         PR middle-end/32559
11195         * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
11196         X + ~X to 1 only for INTEGRAL_TYPE_P type.
11197
11198 2007-06-30  Joseph Myers  <joseph@codesourcery.com>
11199
11200         * configure.ac: Check for .gnu_attribute on MIPS.
11201         * configure, config.in: Regenerate.
11202         * config/mips/mips.c (mips_file_start): If supported, output
11203         attribute for floating-point ABI.
11204
11205 2007-06-30  Uros Bizjak  <ubizjak@gmail.com>
11206
11207         PR target/32433
11208         * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
11209         (ffs_cmove): New expander to expand using ctz pattern.
11210         (*ffs_cmove): Remove pattern.
11211         (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
11212         (ffsdi2): Expand using ctz pattern.
11213         (*ffs_rex64): Remove pattern.
11214
11215 2007-06-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11216
11217         PR rtl-optimization/32296
11218         * pa.md (return): Delete pattern.
11219         (return_internal): Remove "(const_int 1)" from pattern.
11220         (epilogue): Use return_internal pattern for trivial returns.
11221         * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
11222         * pa.c (hppa_can_use_return_insn_p): Delete function.  Include "df.h".
11223
11224 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11225
11226         * tree-ssa-pre.c (is_exception_related): New function
11227         (can_value_number_operation): Use it.
11228
11229 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11230
11231         Fix PR tree-optimization/32540
11232         Fix PR tree-optimization/31651
11233
11234         * tree-ssa-sccvn.c: New file.
11235
11236         * tree-ssa-sccvn.h: Ditto.
11237
11238         * tree-vn.c: Include tree-ssa-sccvn.h
11239         (val_expr_paid_d): Removed.
11240         (value_table): Ditto.
11241         (vn_compute): Ditto.
11242         (val_expr_pair_hash): Ditto.
11243         (val_expr_pair_expr_eq): Ditto.
11244         (copy_vuses_from_stmt): Ditto.
11245         (vn_delete): Ditto.
11246         (vn_init): Ditto.
11247         (shared_vuses_from_stmt): Ditto.
11248         (print_creation_to_file): Moved up.
11249         (sort_vuses): Ditto.
11250         (sort_vuses_heap): Ditto.
11251         (set_value_handle): Make non-static.
11252         (make_value_handle): Ditto.
11253         (vn_add): Rewritten to use sccvn lookups.
11254         (vn_add_with_vuses): Ditto.
11255         (vn_lookup): Ditto (and second argument removed).
11256         (vn_lookup_with_vuses): Ditto.
11257         (vn_lookup_or_add): Ditto (and second argument removed);
11258         (vn_lookup_or_add_with_vuses): Ditto.
11259         (vn_lookup_with_stmt): New.
11260         (vn_lookup_or_add_with_stmt): Ditto.
11261         (create_value_handle_for_expr): Ditto.
11262
11263         * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
11264         (seen_during_translate): New function.
11265         (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
11266         (phi_trans_add): Ditto.
11267         (constant_expr_p): FIELD_DECL is always constant.
11268         (phi_translate_1): Renamed from phi_translate, add seen bitmap.
11269         Use constant_expr_p.
11270         Avoid infinite recursion on mutually valued expressions.
11271         Change callers of vn_lookup_or_add.
11272         (phi_translate): New function.
11273         (compute_antic_safe): Allow phi nodes.
11274         (create_component_ref_by_pieces): Update for FIELD_DECL change.
11275         (find_or_generate_expression): Rewrite slightly.
11276         (create_expression_by_pieces): Updated for vn_lookup_or_add
11277         change.
11278         Update VN_INFO for new names.
11279         (insert_into_preds_of_block): Update for new names.
11280         (add_to_exp_gen): New function.
11281         (add_to_sets): Use vn_lookup_or_add_with_stmt.
11282         (find_existing_value_expr): Rewrite to changed vn_lookup.
11283         (create_value_expr_from): Ditto, and use add_to_exp_gen.
11284         (try_look_through_load): Removed.
11285         (try_combine_conversion): Ditto.
11286         (get_sccvn_value): New function.
11287         (make_values_for_phi): Ditto.
11288         (make_values_for_stmt): Ditto.
11289         (compute_avail): Rewritten for vn_lookup_or_add changes and to use
11290         SCCVN.
11291         (init_pre): Update for SCCVN changes.
11292         (fini_pre): Ditto.
11293         (execute_pre): Ditto.
11294
11295         * tree-flow.h (make_value_handle): Declare.
11296         (set_value_handle): Ditto.
11297         (sort_vuses_heap): Ditto.
11298         (vn_lookup_or_add_with_stmt): Ditto.
11299         (vn_lookup_with_stmt): Ditto.
11300         (vn_compute): Remove.
11301         (vn_init): Ditto.
11302         (vn_delete): Ditto.
11303         (vn_lookup): Update arguments.
11304
11305         * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
11306         (tree-vn.o): Ditto.
11307         (tree-ssa-sccvn.o): New.
11308         (OBJS-common): Add tree-ssa-sccvn.o
11309
11310 2007-06-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11311
11312         PR c/4076
11313         * c-typeck.c (build_external_ref): Don't mark as used if called
11314         from itself.
11315         * calls.c (rtx_for_function_call): Likewise.
11316
11317 2007-06-30  Richard Sandiford  <richard@codesourcery.com>
11318
11319         Revert:
11320
11321         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11322
11323         * dce.c (deletable_insn_p_1): New function, split out from...
11324         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11325         specially, not those inside PARALLELs.  Remove BODY argument
11326         and adjust recursive call accordingly.
11327         (prescan_insns_for_dce): Update call to delete_insn_p.
11328
11329 2007-06-30  Rask Ingemann Lambertsen <rask@sygehus.dk>
11330
11331         * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
11332         (try_combine): Move potential calls to undo_all() so they happen
11333         before we commit to using the combined insns.
11334
11335 2006-06-30  Jan Hubicka  <jh@suse.cz>
11336
11337         * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
11338         code.
11339
11340 2006-06-30  Thomas Neumann  <tneumann@users.sourceforge.net>
11341
11342         * ipa.c (cgraph_postorder): Cast according to the coding conventions.
11343         (cgraph_remove_unreachable_nodes): Likewise.
11344         * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
11345         * ipa-inline.c (update_caller_keys): Cast according to the coding
11346         conventions.
11347         (cgraph_decide_recursive_inlining): Likewise.
11348         (cgraph_decide_inlining_of_small_function): Likewise.
11349         (try_inline): Likewise.
11350         (cgraph_decide_inlining_incrementally): Likewise.
11351         * ipa-pure-const.c (get_function_state): Likewise.
11352         (scan_function): Likewise.
11353         (analyze_function): Likewise.
11354         (static_execute): Likewise.
11355         * ipa-reference.c (scan_for_static_refs): Likewise.
11356         (merge_callee_local_info): Likewise.
11357         (analyze_function): Use type safe memory macros.
11358         (static_execute): Likewise. Cast according to the coding conventions.
11359         * ipa-type-escape.c (scan_for_regs): Cast according to the coding
11360         conventions.
11361         * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
11362         names.
11363         (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
11364         * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
11365         variable names.
11366
11367 2007-06-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11368
11369         PR middle-end/30024
11370         * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
11371         for complex modes (both int and real).
11372
11373 2007-06-29  Jan Hubicka  <jh@suse.cz>
11374
11375         * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
11376
11377 2007-06-29  Jan Hubicka  <jh@suse.cz>
11378
11379         PR middle-end/32372
11380         * cse.c (cse_insn): Avoid invalid sharing in between register note and
11381         the insn pattern.
11382
11383 2007-06-29  Anatoly Sokolov <aesok@post.ru>
11384
11385         PR target/32335
11386         * config/avr/avr.c: Include dataflow header file.
11387         (expand_prologue): Adjust for prologue insn change.
11388         * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
11389         inside a insn.
11390
11391 2007-06-29  Richard Guenther  <rguenther@suse.de>
11392
11393         PR middle-end/32493
11394         * gimplify.c (gimplify_call_expr): Ignore variable argument parts
11395         during type verification.
11396
11397 2007-06-29  Jan Hubicka  <jh@suse.cz>
11398
11399         * recog.c (validate_change_rtx_1): Unshare TO argument.
11400
11401 2007-06-29  Uros Bizjak  <ubizjak@gmail.com>
11402
11403         PR tree-optimization/24659
11404         * tree-vect-transform.c (vectorizable_call): Handle
11405         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
11406
11407         * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
11408         * config/i386/i386.c (enum ix86_builtins)
11409         [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
11410         (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
11411         description.
11412         (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
11413         const using def_builtin_const.
11414         (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
11415         input operands in the same modes as the result.
11416         (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
11417
11418 2007-06-29  Richard Sandiford  <rsandifo@nildram.co.uk>
11419
11420         * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
11421         (df_set_dead_notes_for_mw): Likewise.
11422
11423 2007-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11424
11425         * c-common.c (pointer_int_sum): Do the negation in sizetype.
11426
11427 2007-06-28  DJ Delorie  <dj@redhat.com>
11428
11429         * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
11430
11431 2007-06-28  Geoffrey Keating  <geoffk@apple.com>
11432
11433         * doc/invoke.texi (C++ Dialect Options): Document
11434         fvisibility-ms-compat.
11435         * c.opt (fvisibility-ms-compat): New.
11436
11437 2007-06-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11438
11439         PR tree-opt/32417
11440         * tree-affine.c (aff_combination_add_elt): Handle
11441         pointer addition specially.
11442
11443 2007-06-28  Jakub Jelinek  <jakub@redhat.com>
11444
11445         * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
11446         decl is non-external for AIX ABI.
11447
11448 2007-06-28  David Edelsohn  <edelsohn@gnu.org>
11449
11450         * config/rs6000/predicates.md (current_file_function_operand):
11451         Ensure the symbol is non-external for AIX ABI.
11452
11453 2007-06-28  Nick Clifton  <nickc@redhat.com>
11454
11455         * common.opt (fipa-matrix-reorg): Add Optimization attribute.
11456         (fdce, fdse, fpredictive-commoning): Likewise.
11457
11458 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
11459
11460         PR other/31400
11461         * gcc.c (process_command): Recognize the new -static-libgfortran
11462         option.
11463
11464 2007-06-27  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11465
11466         PR target/32418
11467         * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
11468         Use a call clobbered hard reg instead of a pseudo reg.
11469
11470 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11471
11472         * config/sh/sh.md (load_gbr): Use correct operand constraint.
11473
11474 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11475
11476         PR target/32479
11477         * config/sh/sh.md (udivsi3): Don't wrap the sequence with
11478         REG_LIBCALL and REG_RETVAL notes.
11479         (divsi3, mulsi3): Likewise.
11480         (mulhisi3): Likewise.  Use emit_libcall_block.
11481         (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
11482
11483 2007-06-27  Seongbae Park  <seongbae.park@gmail.com>
11484
11485         PR rtl-optimization/32481
11486         * combine.c (adjust_for_new_dest): Rescan the changed insn.
11487
11488 2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11489
11490         * dce.c (deletable_insn_p_1): New function, split out from...
11491         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11492         specially, not those inside PARALLELs.  Remove BODY argument
11493         and adjust recursive call accordingly.
11494         (prescan_insns_for_dce): Update call to delete_insn_p.
11495
11496 2007-06-27  Richard Guenther  <rguenther@suse.de>
11497
11498         PR middle-end/32492
11499         * tree.h (fold_convertible_p): Declare.
11500         * fold-const.c (fold_convertible_p): New function.
11501         * gimplify.c (gimplify_call_expr): Use fold_convertible_p
11502         instead of lang_hooks.types_compatible_p.
11503
11504 2007-06-26  Jan Hubicka  <jh@suse.cz>
11505
11506         * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
11507         * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
11508         early use validate_unshare_change.
11509         (reload_combine): Likewise.
11510         * recog.c (change_t): New field unshare.
11511         (validate_change_1): Rename from validate_change; add argument unshare.
11512         (validate_change): Turn into wrapper of validate_change_1; update
11513         prototype for bools.
11514         (validate_unshare_change): New.
11515         (confirm_change_group): Unshare changes if asked for; avoid unnecesary
11516         calls of df_insn_rescan.
11517         * recog.h (validate_change): Replace ints by bools.
11518         (validate_unshare_change): Declare.
11519
11520 2007-06-26  Kenneth Zadeck <zadeck@naturalbridge.com>
11521
11522         * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
11523
11524 2007-06-26  Steve Ellcey  <sje@cup.hp.com>
11525
11526         * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
11527
11528 2007-06-25  Jan Hubicka  <jh@suse.cz>
11529
11530         * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
11531         uninlinable call.
11532         (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
11533         cgraph_decide_inlining_incrementally): Move uninlinability checks to
11534         places other call site specific checks are performed.
11535
11536 2007-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11537
11538         PR tree-opt/32421
11539         * tree-vect-transform.c (vectorizable_operation): Convert
11540         POINTER_PLUS_EXPR over to PLUS_EXPR.
11541
11542 2007-06-25  Chao-ying Fu  <fu@mips.com>
11543
11544         * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
11545         UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
11546         Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
11547         Document GET_MODE_IBIT, and GET_MODE_FBIT.
11548
11549         * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
11550         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11551         (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
11552         SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
11553         SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
11554         ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
11555         ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
11556         SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
11557         ALL_FIXED_POINT_MODE_P): New define.
11558         (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11559         MODE_UACCUM.
11560         (GET_MODE_IBIT, GET_MODE_FBIT): New define.
11561
11562         * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
11563         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11564         MODE_VECTOR_UACCUM): New mode classes.
11565
11566         * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
11567         UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
11568         Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
11569         USA, UDA, and UTA.
11570
11571         * genmodes.c (struct mode_data): Add ibit and fbit fields.
11572         (blank_mode): Initialize ibit and fbit.
11573         (adj_ibit, adj_fbit): New to adjust ibit and fbit.
11574         (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11575         MODE_UACCUM.
11576         (new_adjust): Change required_class to required_class_from and
11577         required_class_to for testing within a range.
11578         (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11579         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11580         MODE_VECTOR_UACCUM.
11581         (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
11582         (make_fixed_point_mode): New.
11583         (_ADD_ADJUST): Change C to C1 and C2.
11584         (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
11585         use a range for machine classes.
11586         (ADJUST_IBIT, ADJUST_FBIT): New.
11587         (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
11588         CONST_MODE_FBIT.
11589         (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
11590         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11591         Emit adjustment for ibit and fbit.
11592         (emit_mode_ibit, emit_mode_fbit): New.
11593         (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
11594
11595 2007-06-25  Nathan Froyd  <froydnj@codesourcery.com>
11596
11597         * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
11598         as the source of the set.
11599
11600 2007-06-25  Roman Zippel <zippel@linux-m68k.org>
11601
11602         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
11603         FP_REGNO_P): Use IN_RANGE.
11604         (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
11605         (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
11606         (DATA_REG_P): Use DATA_REGNO_P.
11607         (FP_REG_P): Use FP_REGNO_P.
11608         (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
11609         * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
11610         REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
11611
11612 2007-06-24  Jan Hubicka  <jh@suse.cz>
11613
11614         PR middle-end/30563
11615         * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
11616
11617 2007-06-24  Sebastian Pop  <sebpop@gmail.com>
11618
11619         PR middle-end/32461
11620         * fold-const.c (fold_binary): Strip nops of operand 0
11621         of BIT_NOT_EXPR before calling operand_equal_p.
11622         * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
11623         * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
11624
11625 2007-06-23  Mark Mitchell  <mark@codesourcery.com>
11626
11627         * doc/extend.texi: Document that dllimport and dllexport imply
11628         default visibility.
11629         * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
11630         imported or exported declaration, including type declarations.
11631         * c-common.c (handle_visibility_attribute): Check for conflicts
11632         with dllimport/dllexport.
11633         (c_determine_visibility): Handle dllimport/dllexport as an
11634         explicit visibility atttribute.
11635
11636 2007-06-23  Richard Guenther  <rguenther@suse.de>
11637
11638         PR tree-optimization/16876
11639         PR middle-end/29478
11640         * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
11641         for CALL_EXPRs.
11642         * tree-inline.c (initialize_inlined_parameters): Do not call
11643         lang_hooks.tree_inlining.convert_parm_for_inlining.
11644         * cgraphbuild.c (initialize_inline_failed): Set inline failed
11645         reason for mismatched types.
11646         * gimplify.c (gimplify_call_expr): Verify the call expression
11647         arguments match the called function type signature.  Otherwise
11648         mark the call expression to be not considered for inlining
11649         using CALL_CANNOT_INLINE_P flag.
11650         * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
11651         edges call expression.
11652         (cgraph_decide_inlining_of_small_function): Likewise.
11653         (cgraph_decide_inlining): Likewise.
11654         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
11655         Remove define.
11656         * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
11657         * c-typeck.c (c_convert_parm_for_inlining): Remove.
11658         * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
11659         Remove declaration.
11660         (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
11661         * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
11662         Remove.
11663         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11664         convert_parm_for_inlining member.
11665
11666 2007-06-23  Richard Earnshaw  <rearnsha@arm.com>
11667
11668         PR target/31152
11669         * arm.md (negscc): Match the correct operand for optimized LT0 test.
11670         Remove optimization for GT.
11671
11672 2007-06-23  Kenneth Zadeck <zadeck@naturalbridge.com>
11673
11674         PR middle-end/32437
11675         * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
11676         is a PARALLEL.
11677         (prescan_insns_for_dce): Add extra parameter.
11678
11679 2007-06-23  Jan Hubicka  <jh@suse.cz>
11680
11681         PR middle-end/31541
11682         * gimplify.c (mark_addressable): New function.
11683         (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
11684
11685 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11686
11687         PR middle-end/32374
11688         * expr.c (store_constructor): Do not clobber non-zeroed memory.
11689
11690 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11691
11692         PR target/32413
11693         * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
11694         moves between MMX/SSE registers to at least 8 units to prevent
11695         ICE caused by non-tieable SI/HI/QImodes in SSE registers.
11696
11697 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11698
11699         * config/i386/i386.c (override_options): Correct x86_sahf
11700         setting condition.
11701
11702 2007-06-21  David Daney  <ddaney@avtrex.com>
11703
11704         PR target/32406
11705         * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
11706         to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
11707         (exception_receiver): Renamed to ...
11708         (nonlocal_goto_receiver): ... this.
11709
11710 2007-06-22  Roman Zippel <zippel@linux-m68k.org>
11711
11712         * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
11713         (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
11714         partial register accesses.
11715
11716 2007-06-21  Adam Nemet  <anemet@caviumnetworks.com>
11717
11718         * fold-const.c (debug_fold_checksum): Move it under
11719         ENABLE_FOLD_CHECKING.
11720
11721 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11722
11723         PR middle-end/20623
11724         * tree.h (debug_fold_checksum): Declared.
11725         * fold-const.c (build_fold_addr_expr_with_type_1): New.
11726         (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
11727         build_fold_addr_expr_with_type_1.
11728         (fold_addr_expr, debug_fold_checksum): New.
11729         (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
11730         (fold_unary, fold_comparison, split_address_to_core_and_offset):
11731         Use fold_addr_expr.
11732
11733 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11734
11735         PR tree-optimization/19590
11736         * tree-vrp.c (adjust_range_with_scev): Set the range when the result
11737         of scev is a constant.
11738
11739 2007-06-21  Kenneth Zadeck <zadeck@naturalbridge.com>
11740
11741         * df-problems.c (df_note_bb_compute): Made computation of live
11742         info consistent with df_lr.
11743
11744 2007-06-21  Richard Guenther  <rguenther@suse.de>
11745
11746         PR tree-optimization/32453
11747         * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
11748         for pointer anti-range.
11749
11750 2007-06-21  H.J. Lu  <hongjiu.lu@intel.com>
11751
11752         * config/i386/i386.c (processor_target_table): Increase maximum
11753         skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
11754         default 64bit.
11755
11756         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
11757         byte alignment if > 8 byte alignment is preferred.
11758         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11759
11760 2007-06-21  Jakub Jelinek  <jakub@redhat.com>
11761
11762         PR tree-optimization/31866
11763         * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
11764         if ASM_EXPR's input is not a SSA_NAME.
11765
11766         PR middle-end/32362
11767         * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
11768         but decl is a global var, instead return decl.
11769         * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
11770         even for is_global_var decls, if they are private in some outer
11771         context.
11772
11773 2007-06-21  Richard Guenther  <rguenther@suse.de>
11774
11775         PR tree-optimization/32451
11776         * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
11777
11778 2007-06-21  Christian Bruel  <christian.bruel@st.com>
11779
11780         * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
11781         * config/sh/sh.c (sh_loads_bankedreg_p): New function.
11782         (push_regs): Changed saving order or banked registers.
11783         (sh_expand_epilogue): Likewise.
11784         * config/sh/sh.h (BANKED_REGISTER_P): New macro.
11785         (FIRST_BANKED_REG): Likewise.
11786         (LAST_BANKED_REG): Likewise.
11787         * config/sh/sh.md (banked) New attribute.
11788         (in_delay_slot): Check banked attribute.
11789
11790 2007-06-20  Sebastian Pop  <sebpop@gmail.com>
11791
11792         PR tree-optimization/32075
11793         * tree-data-ref.c (subscript_dependence_tester_1,
11794         analyze_miv_subscript, analyze_overlapping_iterations,
11795         add_distance_for_zero_overlaps, build_classic_dist_vector,
11796         subscript_dependence_tester_1, analyze_overlapping_iterations,
11797         subscript_dependence_tester, access_functions_are_affine_or_constant_p,
11798         compute_affine_dependence, compute_all_dependences): Pass loop_nest
11799         to evolution_function_is_affine_multivariate_p.
11800
11801 2007-06-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11802
11803         * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
11804
11805 2007-06-20  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11806
11807         PR target/32335
11808         * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
11809         for TARGET_A16.
11810         * config/m32c/prologue.md (epilogue_exitd_16): New.
11811         (epilogue_reit_16): New.
11812         (epilogue_exitd): Rename to epilogue_exitd_24.
11813         (epilogue_reit): Rename to epilogue_reit_24.
11814
11815 2007-06-20  Seongbae Park  <seongbae.park@gmail.com>
11816             Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11817
11818         * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
11819         New counters.
11820         * haifa-sched.c (queue_to_ready): Don't requeue next insn
11821         if dbg_cnt (sched_insn) reaches the limit.
11822         (choose_ready): New parameter INSN_PTR and new return value.
11823         (schedule_block): Handle dbg_cnt (sched_insn). Handle
11824         the new return value from choose_ready.
11825         * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
11826         (rest_of_handle_global_alloc): New global_alloc_at_func.
11827
11828 2007-06-20  Adam Nemet  <anemet@caviumnetworks.com>
11829
11830         PR tree-optimization/25737
11831         * tree.h (struct tree_struct_field_tag): Add new field alias_set.
11832         (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
11833         * tree-flow.h (struct fieldoff): Add new field alias_set.
11834         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
11835         argument addressable_type.  Set alias_set of fieldoff.
11836         * tree-ssa-alias.c (create_sft): Add new argument alias_set.
11837         (create_overlap_variables_for): Pass alias_set from fieldoff to
11838         create_sft.
11839         * alias.c (get_alias_set): Use alias_set from SFT if set.
11840
11841 2007-06-20  Hui-May Chang  <hm.chang@apple.com>
11842
11843         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
11844         of a variable as an unsigned HOST_WIDE_INT integer.
11845
11846 2007-06-20  Zdenek Dvorak  <dvorakz@suse.cz>
11847
11848         PR rtl-optimization/32405
11849         * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
11850
11851 2007-06-20  Jakub Jelinek  <jakub@redhat.com>
11852
11853         * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
11854
11855         PR middle-end/31959
11856         * builtins.c: Include diagnostic.h.
11857         (expand_builtin_expect): Make gcc_assert more permissive.
11858         * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
11859
11860         PR inline-asm/32109
11861         * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
11862         and !allows_mem.
11863
11864         PR middle-end/32285
11865         * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
11866         if ACCUMULATE_OUTGOING_ARGS.
11867
11868 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11869
11870         * config/m68hc11/m68hc11.c: Include dataflow header file.
11871         (m68hc11_reorg): Port to dataflow.
11872
11873 2007-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
11874
11875         * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
11876         (struct df_problem.free_blocks_on_set_blocks): New field.
11877         (struct dataflow.optional_p): New field.
11878         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11879         (df_live_set_all_dirty): New function.
11880         * df-scan.c (df_scan_alloc): Initialize optional_p.
11881         (problem_SCAN): Initialize free_blocks_on_set_blocks.
11882         * df-core.c (df_set_blocks): Removed use of
11883         DF_FIRST_OPTIONAL_PROBLEM.  Now uses
11884         df_problem.free_blocks_on_set_blocks to determine which blocks are
11885         recycled.
11886         (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
11887         (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM.  Now
11888         uses dataflow.optional_p to determine if problem should be
11889         deleted.
11890         (rest_of_handle_df_initialize): Only start live problem if
11891         -02 or above.
11892         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11893         * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
11894         df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
11895         (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
11896         problem_NOTE): Initialize free_blocks_on_set_blocks.
11897         (df_lr_bb_local_compute): Recompute luids if df_live problem is
11898         not active.
11899         (df_live_set_all_dirty, df_note_alloc): New function.
11900         * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
11901         df_get_live_*.
11902         * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
11903         * postreload.c (reload_combine): Ditto.
11904         * cse.c (cse_extended_basic_block): Ditto.
11905         * regmove.c (mark_flags_life_zones): Ditto.
11906         * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
11907         erase_matching_seqs): Ditto.
11908         * bt-load.c (compute_defs_uses_and_gen): Ditto.
11909         * integrate (allocate_initial_values): Ditto.
11910         * combine.c (reg_dead_at_p): Ditto.
11911         * resource.c (mark_target_live_regs): Ditto.
11912         * sched-rgn.c (check_live_1, update_live_1): Ditto.
11913         * config/sh/sh.c (find_r0_life_regions): Ditto.
11914         * global.c (rest_of_handle_global_alloc): Only add back df_live
11915         for -O > 1.
11916         * local-alloc.c (rest_of_handle_local_alloc): Only remove
11917         df_live for -O > 1.
11918         * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
11919         df_get_live_*.
11920         (if_convert): Make sure df_live is there at -O == 1.
11921         (pass_if_after_combine): Cleanup flags.
11922         * init-regs.c (initialize_uninitialized_regs): Make sure df_live
11923         is there at -O == 1.
11924
11925 2007-06-19  Seongbae Park  <seongbae.park@gmail.com>
11926
11927         * config/arm/arm.c (arm_get_frame_offsets): Set
11928         offsets->locals_base to avoid negative stack size.
11929         (thumb1_expand_prologue): Assert on negative stack size.
11930
11931 2007-06-19  Sebastian Pop  <sebpop@gmail.com>
11932
11933         PR tree-optimization/32367
11934         * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
11935         of the chrec has no evolution in that loop.
11936         * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
11937
11938 2007-06-19  Bob Wilson  <bob.wilson@acm.org>
11939
11940         * config/xtensa/xtensa.c: Include "df.h".
11941         (xtensa_builtin_saveregs): Use adjust_address instead of
11942         change_address.
11943         (xtensa_va_start): Invoke make_tree with sizetype for
11944         expand_builtin_saveregs and then convert the result to a pointer.
11945         Use POINTER_PLUS_EXPR.  Use size_int instead of build_int_cst.
11946         (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
11947         Subtract argument size from index value as integers and then use
11948         POINTER_PLUS_EXPR to add the result to the array address.
11949
11950 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11951
11952         PR target/32335
11953         * config/m32c/m32c.c: Include dataflow header file.
11954         (m32c_emit_prologue): Adjust for prologue insn change.
11955         * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
11956         once inside a PARALLEL. Assume frame size passed in operand 0
11957         includes space to save the fb register.
11958         (prologue_enter_24): Likewise.
11959         (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
11960
11961 2007-06-19  David Daney  <ddaney@avtrex.com
11962
11963         PR target/32313
11964         * config/mips/mips.md (cprestore): Mark $gp as used.
11965
11966 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11967
11968         PR target/32369
11969         * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
11970         (frv_ifcvt_modify_insn): Likewise.
11971
11972 2007-06-19  Richard Guenther  <rguenther@suse.de>
11973
11974         * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
11975         only handle positive offsets that fit in a HOST_WIDE_INT.
11976
11977 2007-06-19  Uros Bizjak  <ubizjak@gmail.com>
11978
11979         * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
11980         result of rsqrt insn for zero input argument to avoid NaN.
11981
11982 2007-06-19  Richard Guenther  <rguenther@suse.de>
11983
11984         PR middle-end/31950
11985         * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
11986
11987 2007-06-19  Jakub Jelinek  <jakub@redhat.com>
11988
11989         PR tree-optimization/32353
11990         * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
11991
11992 2007-06-19  Nick Clifton  <nickc@redhat.com>
11993
11994         * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
11995
11996 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
11997
11998         PR target/32389
11999         * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
12000         * config/i386/i386.c (assign_386_stack_local): Assert that
12001         SLOT_VIRTUAL is valid only before virtual regs are instantiated.
12002         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
12003         Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
12004         * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
12005
12006 2007-06-18  Steve Ellcey  <sje@cup.hp.com>
12007
12008         * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
12009
12010 2007-06-18  Seongbae Park  <seongbae.park@gmail.com>
12011
12012         PR rtl-optimization/32321
12013         * gcse.c (replace_store_insn): Update the note before
12014         calling emit_insn_after.
12015
12016 2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>
12017
12018         PR middle-end/32355
12019         * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
12020         cse_main.
12021         * df-problems.c (df_note_bb_compute): Fix dumping info.
12022
12023 2007-06-18  Kazu Hirata  <kazu@codesourcery.com>
12024
12025         * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
12026         insn with emit_jump_insn.
12027
12028 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
12029
12030         PR tree-optimization/32383
12031         * targhooks.c (default_builtin_reciprocal): Add new bool argument.
12032         * targhooks.h (default_builtin_reciprocal): Update prototype.
12033         * target.h (struct gcc_target): Update builtin_reciprocal.
12034         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
12035         * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
12036         where arg1 is not SSA_NAME.  Pass true to targetm.builtin_reciprocal
12037         when fndecl is in BUILT_IN_MD class.
12038         (execute_convert_to_rsqrt): Ditto.
12039
12040         * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
12041         argument.  Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
12042         Convert BUILT_IN_SQRTF code only  when md_fn is false.
12043
12044 2007-06-18  Kaz Kojima  <kkojima@gcc.gnu.org>
12045
12046         * bt-load.c (move_btr_def): Fix the order of arguments
12047         to validate_replace_rtx.
12048
12049 2007-06-18  Nathan Sidwell  <nathan@codesourcery.com>
12050
12051         * config/m68k/m68k-devices.def: Add 54450..54455.
12052
12053 2007-06-17  Uros Bizjak  <ubizjak@gmail.com>
12054
12055         PR rtl-optimization/32366
12056         * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
12057         FLOAT_EXTEND]: Prevent non-scalar modes from entering
12058         significand_size.
12059
12060 2007-06-17  Kenneth Zadeck <zadeck@naturalbridge.com>
12061
12062         PR middle-end/32349
12063         * modulo-sched (generate_reg_moves): Added rescan parameter and if
12064         this is true, rescan insn being modified.
12065         (sms_schedule): Added rescan parameter.
12066         (rest_of_handle_sms): Moved freeing of dominance info to before
12067         getting out of cfg_layout.
12068
12069 2007-06-17  Nathan Sidwell  <nathan@codesourcery.com>
12070
12071         * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
12072         * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
12073         appropriate.
12074
12075         * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
12076         FL_CF_EMAC from the entry for isac.
12077
12078         * config/m68k/predicates.md (const_call_operand): Adjust comment.
12079         (const_sibcall_operand): New.
12080         (sibcall_operand): Use it.
12081         * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
12082         (m68k_isas): ISAC does not imply FPU or EMAC.
12083         (override_options): Add ISA_C logic for symbolic jump & call.
12084
12085 2007-06-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
12086
12087         * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
12088         return mode from the builtin itself.
12089         (sparc_fold_builtin): Fix cast of zero constant.
12090
12091 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
12092
12093         * targhooks.c (default_builtin_reciprocal): New default target hook.
12094         * targhooks.h (default_builtin_reciprocal): Add prototype.
12095         * hooks.c (hook_tree_tree_bool_null): Remove hook.
12096         * hooks.h (hook_tree_tree_bool_null): Remove prototype.
12097         * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
12098         default_builtin_reciprocal.
12099
12100 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
12101
12102         PR middle-end/31723
12103         * hooks.c (hook_tree_tree_bool_null): New hook.
12104         * hooks.h (hook_tree_tree_bool_null): Add prototype.
12105         * tree-pass.h (pass_convert_to_rsqrt): Declare.
12106         * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
12107         * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
12108         and convert it to reciprocal a*rfunc(b).
12109         (execute_convert_to_rsqrt): New function.
12110         (gate_convert_to_rsqrt): New function.
12111         (pass_convert_to_rsqrt): New pass definition.
12112         * target.h (struct gcc_target): Add builtin_reciprocal.
12113         * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
12114         (TARGET_INITIALIZER): Initialize builtin_reciprocal with
12115         TARGET_BUILTIN_RECIPROCAL.
12116         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
12117
12118         * config/i386/i386.h (TARGET_RECIP): New define.
12119         * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
12120         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12121         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12122         and not optimizing for size.
12123         (*rcpsf2_sse): New insn pattern.
12124         (*rsqrtsf2_sse): Ditto.
12125         (rsqrtsf2): New expander.  Expand by calling ix86_emit_swsqrtsf
12126         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12127         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12128         and not optimizing for size.
12129         (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
12130         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12131         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12132         and not optimizing for size.
12133         * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
12134         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12135         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12136         and not optimizing for size.
12137         (*sse_rsqrtv4sf2): Do not export.
12138         (sqrtv4sf2): Ditto.
12139         (sse_rsqrtv4sf2): New expander.  Expand by calling ix86_emit_swsqrtsf
12140         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12141         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12142         and not optimizing for size.
12143         (sqrtv4sf2): Ditto.
12144         * config/i386/i386.opt (mrecip): New option.
12145         * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
12146         (ix86_emit_swsqrtsf): Ditto.
12147         * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
12148         (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
12149         builtin definition.
12150         (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
12151         ix86_expand_unop1_builtin.
12152         (ix86_emit_swdivsf): New function.
12153         (ix86_emit_swsqrtsf): Ditto.
12154         (ix86_builtin_reciprocal): New function.
12155         (TARGET_BUILTIN_RECIPROCAL): Use it.
12156         (ix86_vectorize_builtin_conversion): Rename from
12157         ix86_builtin_conversion.
12158         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
12159         * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
12160         "i386 and x86_64 Options" section.
12161         (Intel 386 and AMD x86_64 Options): Document -mrecip.
12162
12163 2007-06-15  Andrew Pinski <andrew_pinski@playstation.sony.com>
12164             Zdenek Dvorak <dvorakz@suse.cz>
12165             Richard Guenther  <rguenther@suse.de>
12166             Kaz Kojima  <kkojima@gcc.gnu.org>
12167
12168         * tree-vrp.c (compare_values_warnv): Convert val2 to
12169         the type of val1.
12170         (extract_range_from_assert): Create
12171         POINTER_PLUS_EXPR for pointer types.
12172         (extract_range_from_binary_expr): Handle
12173         only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
12174         for pointer types.
12175         * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
12176         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
12177         POINTER_PLUS_EXPR as PLUS_EXPR.
12178         (number_of_iterations_lt_to_ne):
12179         For pointer types, use sizetype when
12180         creating MINUS_EXPR/PLUS_EXPRs.
12181         (assert_loop_rolls_lt): For pointer types, use sizetype when
12182         creating MINUS_EXPR/PLUS_EXPRs.
12183         (number_of_iterations_le): Likewise.
12184         (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
12185         (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
12186         like PLUS_EXPR and MINUS_EXPR.
12187         * tree-pretty-print.c (dump_generic_node): Handle
12188         POINTER_PLUS_EXPR.
12189         (op_prio): Likewise.
12190         (op_symbol_1): Likewise.
12191         * optabs.c (optab_for_tree_code): Likewise.
12192         * tree-ssa-loop-manip.c (create_iv): Handle pointer base
12193         specially.
12194         * tree-tailcall.c (process_assignment): Mention
12195         POINTER_PLUS_EXPR in a TODO comment.
12196         * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
12197         MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
12198         not used with a pointer and an integer type.
12199         * tree-scalar-evolution.c (add_to_evolution_1): Convert the
12200         increment using chrec_convert_rhs instead of chrec_convert.
12201         (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
12202         PLUS_EXPR except for the right hand side's type will be
12203         sizetype.
12204         (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
12205         (fold_used_pointer_cast): Kill.
12206         (pointer_offset_p): Kill.
12207         (fold_used_pointer): Kill.
12208         (pointer_used_p): Kill.
12209         (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
12210         call fold_used_pointer.
12211         (instantiate_parameters_1): Convert the increment
12212         using chrec_convert_rhs instead of chrec_convert.
12213         Handle POINTER_PLUS_EXPR as PLUS_EXPR.
12214         * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
12215         instead of PLUS_EXPR.
12216         (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
12217         PLUS_EXPR for pointers.
12218         (std_gimplify_va_arg_expr): Likewise.
12219         (fold_builtin_memory_op): Likewise.
12220         (fold_builtin_strstr): Likewise.
12221         (fold_builtin_strchr): Likewise.
12222         (fold_builtin_strrchr): Likewise.
12223         (fold_builtin_strpbrk): Likewise.
12224         (expand_builtin_memory_chk): Likewise.
12225         (fold_builtin_memory_chk): Likewise.
12226         (std_expand_builtin_va_start): Use
12227         sizetype for the call to make_tree and then convert
12228         to the pointer type.
12229         (fold_builtin_memchr): Use POINTER_PLUS_EXPR
12230         instead of PLUS_EXPR for adding to a pointer.
12231         (std_gimplify_va_arg_expr): Use fold_build2 for
12232         the creating of POINTER_PLUS_EXPR.  For the BIT_AND_EXPR, cast
12233         the operands to sizetype first and then cast the BIT_AND_EXPR
12234         back to the pointer type.
12235         * fold-const.c (build_range_check): Handle pointer types
12236         specially.
12237         (extract_array_ref): Look for POINTER_PLUS_EXPR instead
12238         of PLUS_EXPR's. Make sure the offset is converted to
12239         sizetype.
12240         (try_move_mult_to_index): Strip the NOPs from the offset.
12241         Remove code argument and replace all uses with PLUS_EXPR.
12242         (fold_to_nonsharp_ineq_using_bound): Handle pointer types
12243         specially. Don't use a pointer type for MINUS_EXPR.
12244         (fold_unary): Handle for (T1)(X op Y),
12245         only p+ as that is the only as that can be handled for
12246         binary operators now.
12247         (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
12248         POINTER_PLUS_EXPR.
12249         <case PLUS_EXPR>: Add folding of PTR+INT into
12250         PTR p+ INT.
12251         Don't call try_move_mult_to_index.
12252         <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
12253         into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
12254         (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
12255         Don't call try_move_mult_to_index.
12256         (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
12257         (tree_expr_nonzero_p): Likewise.
12258         (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
12259         of PLUS_EXPR for the complex expression folding.
12260         * tree-chrec.c (chrec_fold_plus_poly_poly): If the
12261         first chrec is a pointer type, then the second should
12262         be sizetype and not the first's type.
12263         For POINTER_PLUS_EXPR, use a different right hand side type.
12264         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12265         (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
12266         different right hand side type.
12267         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12268         (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
12269         instead of PLUS_EXPR.
12270         When either operand is zero, convert the other operand.
12271         (chrec_apply): Use chrec_convert_rhs
12272         on the argument x instead of chrec_convert.
12273         (reset_evolution_in_loop): For pointer types, the new_evol
12274         should be sizetype.
12275         (convert_affine_scev): For POINTER_PLUS_EXPR, use a
12276         different right hand side type.
12277         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12278         (chrec_convert_rhs): New function.
12279         (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
12280         different right hand side type.
12281         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12282         * tree-chrec.h (chrec_convert_rhs): New prototype.
12283         (build_polynomial_chrec): For pointer types, the right hand
12284         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
12285         POINTER_PLUS_EXPR instead of PLUS_EXPR's.
12286         Remove subtraction case as it is always addition now.
12287         Make sure the offset is converted to sizetype.
12288         (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
12289         Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
12290         * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
12291         PLUS_EXPR in pointer type.
12292         Handle POINTER_PLUS_EXPR.
12293         (tree_to_aff_combination): Likewise.
12294         (force_expr_to_var_cost): Likewise.
12295         (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
12296         instead of PLUS_EXPR for pointers.
12297         * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
12298         instead of PLUS_EXPR of pointer types.
12299         * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
12300         as PLUS_EXPR.
12301         (check_va_list_escapes): Likewise.
12302         (check_all_va_list_escapes): Likewise.
12303         * dwarf2out.c (loc_descriptor_from_tree_1):
12304         Handle POINT_PLUS_EXPR as a PLUS_EXPR.
12305         * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
12306         (string_constant): Likewise.
12307         * tree-ssa-address.c (tree_mem_ref_addr): When adding
12308         the offset to the base, use POINTER_PLUS_EXPR.
12309         (add_to_parts): Convert the index to sizetype.
12310         (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
12311         * matrix-reorg.c (collect_data_for_malloc_call): Stmt
12312         will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
12313         Offset only holds something for PLUS_EXPR.
12314         (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
12315         a PLUS_EXPR.
12316         (analyze_transpose): POINTER_PLUS_EXPR will only show up now
12317         and not PLUS_EXPR.
12318         (analyze_accesses_for_modify_stmt): Likewise.
12319         Remove comment about the type being integral type as it is
12320         wrong now.
12321         (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
12322         PLUS_EXPR.
12323         (transform_access_sites): POINTER_PLUS_EXPR will only show up now
12324         and not PLUS_EXPR.
12325         Correct the type which the artimentic is done in (is now
12326         sizetype).
12327         Reindent one loop.
12328         * tree-data-ref.c (split_constant_offset): Handle
12329         POINTER_PLUS_EXPR
12330         * tree-affine.c (tree_to_aff_combination): Likewise.
12331         * c-typeck.c (build_unary_op): For pointers create the increment
12332         as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
12333         for pointers.
12334         * gimplify.c (gimplify_self_mod_expr): Create a
12335         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12336         (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
12337         * tree.def (POINTER_PLUS_EXPR): New tree code.
12338         * tree-predcom.c (ref_at_iteration): If we have a pointer
12339         type do the multiplication in sizetype.
12340         * tree-mudflap.c (mf_xform_derefs_1): Create a
12341         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12342         * tree-ssa-forwprop.c
12343         (forward_propagate_addr_into_variable_array_index):
12344         Don't expect there to be a cast for the index as that
12345         does not exist anymore.
12346         (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
12347         instead of PLUS_EXPR.
12348         Don't check for the first operand of the POINTER_PLUS_EXPR
12349         was the index as it cannot be.
12350         Call forward_propagate_addr_into_variable_array_index with
12351         the SSA_NAME instead of the statement.
12352         * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
12353         (compare_constant): Likewise.
12354         (copy_constant): Likewise.
12355         (compute_reloc_for_constant): Likewise.
12356         (output_addressed_constants): Likewise.
12357         (initializer_constant_valid_p): Likewise.
12358         * tree-ssa.c (tree_ssa_useless_type_conversion_1):
12359         Convert the MIN/MAX of the inner type to the outer
12360         type before comparing them.
12361         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
12362         POINTER_PLUS_EXPR instead of PLUS_EXPR.
12363         (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
12364         of PLUS_EXPR for pointers.
12365         * tree-inline.c (estimate_num_insns_1): Handle
12366         POINTER_PLUS_EXPR.
12367         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
12368         Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12369         (bump_vector_ptr): Create a POINTER_PLUS_EXPR
12370         instead of PLUS_EXPR for the pointer increment statement.
12371         (vect_update_ivs_after_vectorizer): For pointer types, create
12372         POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
12373         MULT_EXPR in sizetype.
12374         (vect_gen_niters_for_prolog_loop): Add a cast when creating
12375         byte_misalign.
12376         * tree-object-size.c (plus_expr_object_size): Handle
12377         POINTER_PLUS_EXPR instead of PLUS_EXPR.  Removing all the extra
12378         code which is trying to figure out which side is a pointer and
12379         is the index.
12380         (check_for_plus_in_loops_1): Likewise.
12381         (check_for_plus_in_loops): Likewise.
12382         * c-common.c (pointer_int_sum): Create a
12383         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12384         * tree-ssa-structalias.c (handle_ptr_arith): Handle
12385         only POINTER_PLUS_EXPR.  Removing all the extra
12386         code which is trying to figure out which side is a pointer and
12387         is the index.
12388         * tree-cfg.c (verify_expr): Add extra checking for pointers and
12389         PLUS_EXPR and MINUS_EXPR.
12390         Also add checking to make sure the operands of POINTER_PLUS_EXPR
12391         are correct.
12392         * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
12393         with make_tree, instead of a pointer type.
12394         * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
12395         for pointers instead of PLUS_EXPR.
12396         (s390_gimplify_va_arg): Likewise.
12397         * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
12398         instead of PLUS_EXPR when doing addition on pointer
12399         types.  Use sizetype for the second operand.
12400         (spu_gimplify_va_arg_expr): Likewise.
12401         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
12402         POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
12403         a pointer.  Don't create a BIT_AND_EXPR for pointer types.
12404         * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
12405         for the pointer addition and also use size_int/sizetype
12406         for the offset.
12407         (ix86_gimplify_va_arg): Likewise.
12408         Perform BIT_AND_EXPR on sizetype arguments.
12409         * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
12410         and convert its result to a pointer type.  Use POINTER_PLUS_EXPR
12411         for the pointer additions and also use size_int for the offsets.
12412         (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
12413         additions and also use size_int for the offsets.  Perform
12414         BIT_AND_EXPR on sizetype arguments.
12415         * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
12416         POINTER_PLUS_EXPR for pointers and create the
12417         BIT_AND_EXPR in sizetype.
12418         * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
12419         instead of PLUS_EXPR for pointer addition.
12420         (rs6000_va_start): Likewise.
12421         Also use sizetype for the offset.
12422         * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
12423         as PLUS_EXPR/MINUS_EXPR.
12424         (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
12425         PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
12426         Don't use BIT_AND_EXPR on a pointer type, convert the
12427         expression to sizetype first.
12428         * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
12429         for pointers.
12430         (mips_gimplify_va_arg_expr): Likewise.
12431         Don't create BIT_AND_EXPR in a pointer type.
12432
12433 2007-06-15  Eric Christopher  <echristo@apple.com>
12434
12435         * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
12436         (x86_64-*-darwin*): Ditto.
12437         * config/i386/darwin.h (CRTEND_SPEC): New. Add support
12438         for above.
12439
12440 2007-06-15  Matthew Wilcox <matthew@wil.cx>
12441
12442         * doc/extend.texi: Document behavior of __attribute__((aligned))
12443         on typedefs.
12444
12445 2007-06-15  Mark Mitchell  <mark@codesourcery.com>
12446
12447         * rtlanal.c (note_stores): Improve documentation.
12448
12449 2007-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12450
12451         * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
12452         LOCAL_LABEL_PREFIX): Delete.
12453         * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
12454         (bfin_internal_label): Delete.
12455
12456 2007-06-15  Uros Bizjak  <ubizjak@gmail.com>
12457
12458         * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
12459         define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
12460         otherwise define to LIBGCC2_TF_CEXT.
12461         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
12462         (LIBGCC_TF_CEXT): Ditto.
12463         (TF_SIZE): Ditto.
12464
12465 2007-06-14  Seongbae Park  <seongbae.park@gmail.com>
12466
12467         PR rtl-optimization/32339
12468         * df-scan.c (df_uses_record): Don't modify flags but just add to
12469         it for df_ref_record.
12470
12471 2007-06-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12472
12473         * tree-mudflap.c: Fix whitespace issues.
12474
12475 2007-06-15  Kazu Hirata  <kazu@codesourcery.com>
12476
12477         * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
12478
12479 2007-06-14  Eric Christopher  <echristo@apple.com>
12480
12481         * config/i386/sse.md (movdi_to_sse): Rewrite body.
12482         (movv4sf): Use gcc_unreachable instead of abort.
12483
12484 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12485
12486         PR target/32268
12487         * config/i386/sfp-machine.h (CMPtype): New define.
12488         (mach stubs): Use CMPtype instead of int as a return type.
12489
12490 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12491
12492         * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
12493         config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
12494         config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
12495         config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
12496         config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
12497         config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
12498         config/soft-fp/soft-fp.h: Update from glibc CVS.
12499
12500 2007-06-14  Bernd Schmidt  <bernd.schmidt@analog.com>
12501
12502         * config/bfin/uclinux.h (MFWRAP_SPEC): New.
12503
12504 2007-06-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12505
12506         PR target/32341
12507         * config/v850/v850.c: Include dataflow header file.
12508         (substitute_ep_register): Fix typo.
12509
12510 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12511
12512         * configure.ac: Fix earlier checkin.
12513         * configure: Regenerated.
12514
12515 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12516
12517         * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
12518         * aclocal.m4: Regenerate.
12519         * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
12520         ACX_PROG_CC_WARNINGS_ARE_ERRORS,
12521         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
12522         * configure: Regenerate.
12523         * Makefile.in (LOOSE_WARN): Subst loose_warn.
12524
12525         * Makefile.in (quickstrap): Build libgcc too.
12526
12527 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12528
12529         * configure.ac: Add --enable-checking=df.  Explicitly mention that
12530         the variables are initialized as for "release".
12531         * df-core.c: Use it.
12532         * configure: Regenerate.
12533         * config.in: Regenerate.
12534
12535 2007-06-14  Bob Wilson  <bob.wilson@acm.org>
12536
12537         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
12538         validate_replace_rtx instead of replace_rtx.
12539         (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
12540
12541 2007-06-14  Danny Smith  <dannysmith@users.sourceforge.net>
12542
12543         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
12544         (DWARF2_UNWIND_INFO): Override default if configured with
12545         SJLJ EH disabled.
12546         * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
12547         (ENDFILE_SPEC): Add crtend.o.
12548         * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
12549         (ENDFILE_SPEC): Add crtend.o.
12550         (TARGET_USE_JCR_SECTION): Define.
12551         (MD_UNWIND_SUPPORT): Define for 32-bit target.
12552
12553         * config/i386/cygming-crtbegin.c: New file.
12554         * config/i386/cygming-crtend.c: New file.
12555
12556 2007-06-14  Pascal Obry Pascal Obry  <obry@adacore.com>
12557
12558         * config/i386/w32-unwind.h: New file.
12559
12560 2007-06-13  Eric Christopher  <echristo@apple.com>
12561
12562         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
12563         the user set a value below STACK_BOUNDARY.
12564
12565 2007-06-13  Thiemo Seufer  <ths@networkno.de>
12566
12567         * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
12568         imply -lpthread for -pthread.
12569
12570 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12571
12572         * basic-block.h: Remove the prototype for
12573         free_basic_block_vars.
12574         * cfglayout.h: Remove the prototype for
12575         insn_locators_initialize.
12576         * tree.h: Remove the prototype for emit_line_note.
12577
12578         * tree-ssa-pre.c (mergephitemp): Remove.
12579         (init_pre): Don't use mergephitemp.
12580
12581 2007-06-13  Eric Christopher  <echristo@apple.com>
12582
12583         * config/i386/i386.c (override_options): If we've specified
12584         an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
12585
12586 2007-06-13  Bob Wilson  <bob.wilson@acm.org>
12587
12588         * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
12589         is defined.
12590
12591 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12592
12593         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
12594         * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
12595         (eh_store_handler): New pattern.
12596         (eh_return): Emit it instead of a plain move.
12597
12598 2007-06-13  Uros Bizjak  <ubizjak@gmail.com>
12599
12600         * config/i386/i386.c (ix86_init_mmx_sse_builtins)
12601         [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
12602         [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
12603         def_builtin_const.
12604
12605 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12606
12607         * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
12608         (find_next_insn_start, find_load): New functions.
12609         (bfin_reorg): Use them to deal with the fact that parallel insns are
12610         no longer represented as a SEQUENCE.
12611
12612 2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12613
12614         * config/sparc/sparc.c (sparc_override_options): Initialize
12615         fpu mask correctly.
12616
12617 2007-06-13  Dave Korn  <dave.korn@artimi.com>
12618
12619         * config/i386/i386.c (ix86_eax_live_at_start_p): Use
12620         df_get_live_out.
12621
12622 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12623
12624         * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
12625         config/sh/divcost-analysis, dbgcnt.def, df-core.c,
12626         df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
12627         tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
12628         tree-vect-transform.c: Fix comment typos.  Follow spelling
12629         conventions.
12630
12631 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12632
12633        * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
12634        to the exit block use set.
12635        (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
12636        * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
12637        * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
12638
12639 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12640
12641         * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
12642         * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
12643         to indicate an error.
12644         (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
12645         New functions.
12646         (dbg_cnt_process_opt): Print an error on a bad argument.
12647         * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
12648         * common.opt (-fdbg-cnt-list): New.
12649         * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
12650
12651 2007-06-12  Eric Botcazou  <ebotcazou@adacore.com>
12652
12653         * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
12654         flag on ref-all pointers.
12655
12656 2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12657
12658         PR middle-end/31579
12659         * expr.c (expand_expr_addr_expr_1): Call expand_expr
12660         for the offset with the modifier as EXPAND_INITIALIZER
12661         if the modifier is EXPAND_INITIALIZER.
12662         (expand_expr_real_1 <case INTEGER_CST>): Don't force to
12663         a register if we had an overflow.
12664
12665 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12666
12667         * real.c (real_isfinite): New.
12668         (real_sqrt): Use it.
12669         * real.h (real_isfinite): New.
12670         * builtins.c: Use it.
12671
12672 2007-06-12  Ian Lance Taylor  <iant@google.com>
12673             Daniel Berlin  <dberlin@dberlin.org>
12674
12675         PR libstdc++/29286
12676         * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
12677         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
12678         (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
12679         (DECL_NO_TBAA_P): Define.
12680         (struct tree_decl_common): Add no_tbaa_flag field.
12681         * tree-ssa-structalias.c (struct variable_info): Add
12682         no_tbaa_pruning field.
12683         (new_var_info): Initialize no_tbaa_pruning field.
12684         (unify_nodes): Copy no_tbaa_pruning field.
12685         (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12686         (dump_solution_for_var): Print no_tbaa_pruning flag.
12687         (set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
12688         callers.
12689         (compute_tbaa_pruning): New static function.
12690         (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
12691         Call compute_tbaa_pruning.
12692         * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
12693         * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12694         * gimple-low.c (lower_stmt): Likewise.
12695         * tree-gimple.c (is_gimple_stmt): Likewise.
12696         * tree-ssa-operands.c (get_expr_operands): Likewise.
12697         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
12698         * tree-inline.c (estimate_num_insns_1): Likewise.
12699         (copy_result_decl_to_var): Likewise.
12700         * expr.c (expand_expr_real_1): Likewise.
12701         * tree-pretty-print.c (dump_generic_node): Likewise.
12702         * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
12703         * omp-low.c (omp_copy_decl_2): Likewise.
12704         * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
12705         * doc/c-tree.texi (Expression trees): Document
12706         CHANGE_DYNAMIC_TYPE_EXPR.
12707
12708 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12709
12710         * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
12711         with !HONOR_NANS and !HONOR_INFINITIES.
12712         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
12713
12714 2007-06-12  Tristan Gingold  <gingold@adacore.com>
12715
12716         * gcov.c: Comments updated.
12717         (source_info): Add file_time field.
12718         (source_index): New variable.
12719         (mutiple_files): New variable.
12720         (generate_results): New function extracted from process_file.
12721         (process_file): Save and restore chain of functions, generate
12722         results and free structures only if not merging results.
12723         (release_structures): File names are now freed in create_file_names
12724         (create_file_names): Free previous file names.
12725         (find_source): File date is now read here and modifications in
12726         source files is checked here.
12727         (read_graph_file): Only reverse order of functions for the current
12728         object file.
12729         (make_gcov_file_name): Do not generate long names if input_name is
12730         NULL.
12731         (output_lines): If merging results do not display graph, data and
12732         runs informations.
12733         Checking source file modification is done in find_source.
12734
12735         * doc/gcov.texi: Append an s to sourcefile.
12736
12737 2007-06-12  Bernd Schmidt  <bernd.schmidt@analog.com>
12738
12739         * config/bfin/bfin.md (UNSPEC_NOP): New constant.
12740         (forced_nop): New pattern.
12741         * config/bfin/bfin.c: Include "df.h".
12742         (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
12743         (bfin_discover_loop): Use df_get_live_in instead of
12744         global_live_at_start.
12745         (bfin_reorder_loops): Pass 0 to cfg_layout_initialize.  Call
12746         df_analyze when done.
12747         (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
12748         the insns.  Use QImode for the final insn in a bundle.  Call
12749         df_insn_rescan on generated NOPs; use gen_forced_nop instead of
12750         gen_nop.
12751         (reorder_var_tracking_notes): New function.
12752         (bfin_reorg): Pass no argument to split_all_insns.  Don't call
12753         update_life_info.  Call df_analyze after scheduling and bundle
12754         generation.  Call reorder_var_tracking_notes if generating these
12755         notes.  Call df_finish_pass at the end.
12756
12757 2007-06-12  Dirk Mueller  <dmueller@suse.de>
12758
12759         * optabs.c (debug_optab_libfuncs): fix gcc_assert to
12760         a comparison, not an assignment.
12761
12762 2007-06-12  Olivier Hainque  <hainque@adacore.com>
12763
12764         * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
12765         Request walking the subtrees only, leaving the current is_lhs/val_only
12766         untouched.
12767         (convert_non_local_reference): Likewise.
12768
12769 2007-06-12  Nathan Sidwell  <nathan@codesourcery.com>
12770
12771         * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
12772
12773 2007-06-12  Richard Guenther  <rguenther@suse.de>
12774
12775         PR tree-optimization/15353
12776         PR tree-optimization/31657
12777         * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
12778         * timevar.def: Add TV_TREE_IFCOMBINE.
12779         * tree-pass.h (pass_tree_ifcombine): Declare.
12780         * tree-ssa-ifcombine.c: New file.
12781         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
12782         * tree-flow.h (blocks_in_phiopt_order): Declare.
12783         * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
12784         (tree-ssa-ifcombine.o): New dependencies.
12785
12786 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12787
12788         PR rtl-optimization/32293
12789         * combine.c (simplify_if_then_else): Truncate return from
12790         nonzero_bits() to correct mode.
12791
12792 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12793
12794         * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
12795         into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
12796
12797 2007-06-11  Diego Novillo  <dnovillo@google.com>
12798
12799         * Makefile.in (reload1.o-warn): Remove.
12800
12801 2007-06-11  Seongbae Park <seongbae.park@gmail.com>
12802
12803         * combine.c (subst): Use reg_overlap_mentioned_p
12804         instead of comparing register numbers directly.
12805
12806 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12807
12808         * reload1.c (mark_home_live_1): Use the mode parameter.
12809
12810 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12811
12812         * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
12813         df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
12814         word "deferred".
12815         * df-core.c: Ditto.
12816
12817 2007-06-11  Daniel Berlin  <dberlin@dberlin.org>
12818
12819         * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
12820
12821 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12822
12823         * config/i386/i386.md ("*movtf_internal): Penalize moves to and
12824         from integer registers.
12825         (FP mode splitters): Handle TFmode.
12826
12827 2007-06-11  Eric Botcazou  <ebotcazou@adacore.com>
12828
12829         * tree-ssa-structalias.c (find_what_p_points_to): Return false
12830         for ref-all pointers that point-to anything.
12831
12832 2007-06-11  Joseph Myers  <joseph@codesourcery.com>
12833
12834         * config/arm/arm.c (arm_output_dwarf_dtprel,
12835         TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
12836
12837 2007-06-11  Bernd Schmidt  <bernd.schmidt@analog.com>
12838
12839         * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
12840         movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
12841         to memory moves.
12842
12843 2007-06-11  Rafael Avila de Espindola  <espindola@google.com>
12844
12845         * tree.c (signed_or_unsigned_type_for): New.
12846         (unsigned_type_for): Use signed_or_unsigned_type_for.
12847         (signed_type_for): Use signed_or_unsigned_type_for.
12848         * tree.h (signed_or_unsigned_type_for): New.
12849         (get_signed_or_unsigned_type): Remove.
12850         * fold-const.c (fold_negate_expr): Use signed_type_for instead of
12851         lang_hooks.types.signed_type
12852         (size_diffop): Likewise.
12853         (all_ones_mask_p): Likewise.
12854         (build_range_check): Likewise.
12855         (fold_cond_expr_with_comparison): Likewise.
12856         (fold_cond_expr_with_comparison): Likewise.
12857         (unextend): Likewise.
12858         (extract_muldiv_1): Likewise.
12859         (fold_single_bit_test_into_sign_test): Likewise.
12860         (fold_binary): Likewise.
12861         (fold_ternary): Likewise.
12862         (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
12863         instead of get_signed_or_unsigned_type.
12864         * c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
12865         (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12866         * expr.c (signed_or_unsigned_type_for): Use
12867         signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
12868         * langhooks.c (get_signed_or_unsigned_type): Remove.
12869         (lhd_signed_or_unsigned_type): Remove.
12870         * langhooks.h (lang_hooks_for_types): Remove signed_type and
12871         signed_or_unsigned_type.
12872         (lhd_signed_or_unsigned_type): Remove.
12873         * expmed.c (make_tree): Use signed_type_for instead of
12874         lang_hooks.types.signed_type.
12875         * c-common.c (same_scalar_type_ignoring_signedness): Use
12876         c_common_signed_type instead of lang_hooks.types.signed_type.
12877         (c_common_unsigned_type): New.
12878         (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
12879         (shorten_compare): Use c_common_unsigned_type instead of
12880         c_common_signed_or_unsigned_type.
12881         (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
12882         unsigned_type_for.
12883         * convert.c (convert_to_integer): Use signed_type_for instead of
12884         lang_hooks.types.signed_type.
12885         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12886         (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
12887         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
12888         * c-format.c (check_format_types): Use c_common_unsigned_type
12889         instead of unsigned_type_for.
12890         * c-decl.c (groakdeclarator): Likewise.
12891         * c-typeck.c (convert_for_assignment): Likewise.
12892         * c-common.h (c_common_unsigned_type): New.
12893
12894 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12895
12896         PR target/32280
12897         * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
12898         * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
12899
12900 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12901
12902         PR middle-end/32279
12903         * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
12904         into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
12905
12906 2007-06-10  Jan Sjodin  <jan.sjodin@amd.com>
12907             Sebastian Pop  <sebpop@gmail.com>
12908
12909         * lambda-code.c (remove_iv): New.
12910         (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
12911
12912 2007-06-10  Zdenek Dvorak  <dvorakz@suse.cz>
12913
12914         * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
12915         * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
12916         * tree-ssa-loop-prefetch.c: Include optabs.h.
12917         (FENCE_FOLLOWING_MOVNT): New macro.
12918         (struct mem_ref): Add independent_p and storent_p fields.
12919         (record_ref): Initalize the new fields.
12920         (gather_memory_references_ref): Return true if the reference
12921         could be analysed.
12922         (gather_memory_references): Check whether all memory accesses
12923         in loop were recorded.
12924         (should_issue_prefetch_p): Return false for nontemporal stores.
12925         (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
12926         may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
12927         (determine_loop_nest_reuse): Detect independent memory references.
12928         (loop_prefetch_arrays): Call mark_nontemporal_stores.
12929         * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
12930         * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
12931         * config/i386/i386.h (x86_mfence): Declare.
12932         (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
12933         * config/i386/i386.c (x86_mfence): New variable.
12934         (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
12935
12936         * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
12937         * optabs.c (init_optabs): Initialize storent_optab.
12938         * optabs.h (enum optab_index): Add OTI_storent.
12939         (storent_optab): Declare.
12940         * genopinit.c (optabs): Add initialization for storent_optab.
12941         * tree.h (MOVE_NONTEMPORAL): New macro.
12942         * expr.c (expand_assignment, store_expr, store_constructor_field,
12943         store_constructor, store_field, expand_expr_real_1): Propagate
12944         nontemporality of the expanded store.
12945         (emit_storent_insn): New function.
12946         * expr.h (expand_assignment, store_expr): Declaration changed.
12947         * function.c (assign_parm_setup_reg): Pass false as nontemporality
12948         to expand_assignment.
12949         * stmt.c (expand_asm_expr): Ditto.
12950         * calls.c (initialize_argument_information): Pass false as
12951         nontemporality to store_expr.
12952         * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
12953         storentsi): New.
12954
12955 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
12956
12957         * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
12958         parameter, use it.
12959         (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
12960
12961 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
12962
12963         * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
12964         and allow DECL_P here.
12965
12966 2007-06-09  Zdenek Dvorak  <dvorakz@suse.cz>
12967
12968         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
12969         follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
12970         track of the size of the expression.
12971         * cfghooks.c (merge_blocks): Remove block from loops structure only
12972         after call of the merge_blocks hook.
12973
12974 2007-06-09  Tom Tromey  <tromey@redhat.com>
12975
12976         * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
12977         (deprecated_state): Removed.
12978         (start_decl): Update.
12979         (enum deprecated_states): Moved earlier.
12980         (groktypename): Update.
12981         (push_parm_decl): Likewise.
12982         (grokfield): Likewise.
12983         (start_function): Likewise.
12984
12985 2007-06-09  Ian Lance Taylor  <iant@google.com>
12986
12987         PR tree-optimization/32169
12988         * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
12989         CONVERT_EXPR, check whether min and max both converted to an
12990         overflow infinity representation.
12991
12992 2007-06-08  Eric Botcazou  <ebotcazou@adacore.com>
12993
12994         * reload1.c (fixup_abnormal_edges): Clear bb field for insns
12995         not inserted on the edge.
12996
12997 2007-06-08  Bob Wilson  <bob.wilson@acm.org>
12998
12999         * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
13000         instructions if they are supported.
13001         (__divsi3, __umodsi3, __modsi3): Likewise.
13002         (__ashldi3, __ashrdi3, __lshrdi3): New.
13003         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
13004
13005 2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>
13006             Tony Linthicum <tony.linthicum@amd.com>
13007
13008         * doc/invoke.texi: Add fvect-cost-model flag.
13009         * common.opt (fvect-cost-model): New flag.
13010         * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
13011         cost fields in stmt_vec_info struct for STMT.
13012         * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
13013         fields in stmt_vec_info struct and access functions for the same.
13014         (TARG_COND_BRANCH_COST): Define cost of conditional branch.
13015         (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
13016         load, store and vector to scalar operation.
13017         (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
13018         (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
13019         (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
13020         (TARG_VEC_STORE_COST): Define cost of vector store.
13021         (vect_estimate_min_profitable_iters): Define new function.
13022         * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
13023         check to evaluate if loop iterations are less than minimum profitable
13024         iterations determined by cost model or minimum vect loop bound defined
13025         by user, whichever is more conservative.
13026         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
13027         run-time check to evaluate if loop iterations are less than minimum
13028         profitable iterations determined by cost model or minimum vect loop
13029         bound defined by user, whichever is more conservative.
13030         (vect_estimate_min_profitable_iterations): New function to estimate
13031         mimimimum iterartions required for vector version of loop to be
13032         profitable over scalar version.
13033         (vect_model_reduction_cost): New function.
13034         (vect_model_induction_cost): New function.
13035         (vect_model_simple_cost): New function.
13036         (vect_cost_strided_group_size): New function.
13037         (vect_model_store_cost): New function.
13038         (vect_model_load_cost): New function.
13039         (vectorizable_reduction): Call vect_model_reduction_cost during
13040         analysis phase.
13041         (vectorizable_induction): Call vect_model_induction_cost during
13042         analysis phase.
13043         (vectorizable_load): Call vect_model_load_cost during analysis phase.
13044         (vectorizable_store): Call vect_model_store_cost during analysis phase.
13045         (vectorizable_call, vectorizable_assignment, vectorizable_operation,
13046         vectorizable_promotion, vectorizable_demotion): Call
13047         vect_model_simple_cost during analysis phase.
13048
13049 2007-06-08  Simon Baldwin  <simonb@google.com>
13050
13051         * reg-stack.c (get_true_reg): Readability change.  Moved default case
13052         label into direct switch statement scope.
13053
13054 2007-06-08  Simon Baldwin  <simonb@google.com>
13055
13056         * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
13057         in gcc_assert() with '==' comparison.
13058
13059 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13060
13061         * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
13062         TARGET_ABM handling of x86_popcnt variable.
13063
13064 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13065
13066         * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
13067         __builtin_copysignq and __builtin_infq built-in functions.
13068
13069 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13070
13071         * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
13072         SSE4.2 section.  Correct built-in function names in SSE4A section.
13073
13074 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13075
13076         PR tree-optimization/32243
13077         * tree-vect-transform.c (vectorizable_type_promotion): Move check
13078         for ncopies after ratio check between nunits_out and nunits_in.
13079         (vectorizable_type_demotion): Remove single-use variable "scalar_type".
13080
13081 2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
13082
13083         PR tree-optimization/32224
13084         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
13085         vectorization upon a non GIMPLE_MODIFY_STMT.
13086
13087 2007-06-08  Christian Bruel  <christian.bruel@st.com>
13088
13089         PR target/29953
13090         * config/sh/sh.md (doloop_end): New pattern and splitter.
13091         * loop-iv.c (simple_rhs_p): Check for hardware registers.
13092
13093 2007-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
13094
13095         PR middle-end/32209
13096         * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
13097         functions.
13098         (verify_dominators): Do not change dominance tree.
13099
13100 2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
13101
13102         * config/sh/constraints.md: New file.
13103         * config/sh/sh.c: Include tm-constrs.h.
13104         (reg_class_from_letter): Remove.
13105         (prepare_cbranch_operands): Use satisfies_constraint_*
13106         function instead of macro.
13107         (andcosts, broken_move, sh_secondary_reload): Likewise.
13108         * config/sh/predicates.md (trapping_target_operand): Likewise.
13109         (and_operand, arith_operand, arith_reg_or_0_operand,
13110         cmp_operand, logical_operand, target_operand,
13111         ua_address_operand, ua_offset, xor_operand): Likewise.
13112         * config/sh/sh.md: Include constraints.md.
13113         (*movsicc_t_false): Use satisfies_constraint_* function
13114         instead of macro.
13115         (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
13116         lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
13117         movdi_const_16bit+1, beq, bne, *ptb): Likewise.
13118         * config/sh/sh.h (reg_class_from_letter): Remove prototype.
13119         (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
13120         (REG_CLASS_FROM_CONSTRAINT): Remove.
13121         (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
13122         CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
13123         CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
13124         CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
13125         CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
13126         (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
13127         function instead of macro.
13128         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
13129         (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
13130         EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
13131         EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
13132         (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
13133         (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
13134         (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
13135         (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
13136         (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
13137         EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
13138         EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
13139         EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
13140         EXTRA_CONSTRAINT_STR): Likewise.
13141         (GO_IF_LEGITIMATE_INDEX): Fix indentation.
13142
13143 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
13144
13145         * config/i386/darwin.h (STACK_BOUNDARY): Define.
13146
13147 2007-06-07  Simon Martin  <simartin@users.sourceforge.net>
13148
13149         PR c++/30759
13150         * c-common.h (flag_cpp0x): Replaced by...
13151         (cxx_dialect): ... this new variable specifying the C++ dialect that
13152         is used.
13153         * c-common.c (flag_cpp0x): Removed.
13154         (cxx_dialect): Defined.
13155         * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
13156         cxx_dialect.
13157         * c-opts.c (c_common_post_options): Likewise.
13158         (set_std_cxx98): Set cxx_dialect to cxx98.
13159         (set_std_cxx0x): Set cxx_dialect to cxx0x.
13160
13161 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
13162             Hui-May Chang <hm.chang@apple.com>
13163
13164         * doc/invoke.texi (Darwin Options): Update documentation for
13165         -mmacosx-version-min.
13166         * config.gcc (*-*-darwin*): Set extra_gcc_objs.
13167         * config/darwin-driver.c: New file.
13168         * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
13169         * config/t-darwin (darwin-driver.o): New rule.
13170
13171         * config/darwin-c.c (version_as_macro): Ignore low digit.
13172
13173 2007-06-07  Uros Bizjak  <ubizjak@gmail.com>
13174
13175         * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
13176         (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
13177         (CSGNMODE): New mode macro.
13178         (CSGNVMODE): New mode attribute.
13179         (copysign<mode>3): Rename from copysingsf3 and copysigndf3.  Macroize
13180         expander using CSGNMODE mode macro.  Handle TFmode.
13181         (copysign<mode>3_const): Rename from copysignsf3_const and
13182         copysigndf3_const.  Macroize pattern using CSGNMODE mode macro.
13183         Handle TFmode.
13184         (copysign<mode>3_var): Rename from copysignsf3_var and
13185         copysigndf3_var.  Macroize pattern using CSGNMODE mode macro.
13186         Handle TFmode.
13187         (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
13188         mode macro.  Handle TFmode.
13189         * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
13190         (iortf3, *iortf3): Ditto.
13191         (xortf3, *xortf3): Ditto.
13192         * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
13193         TFmode and TImode masks.
13194         (ix86_expand_copysign): Expand TFmode copysign insn.
13195         (IX86_BUILTIN_INFQ): New.
13196         (IX86_BUILTIN_FABSQ): Ditto.
13197         (IX86_BUILTIN_COPYSIGNQ): Ditto.
13198         (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
13199         [__builtin_fabsq]: Ditto.
13200         [__builtin_copysignq]: Ditto.
13201         (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
13202         [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
13203         [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
13204         ix86_expand_binop_builtin().
13205
13206 2007-06-07  Bob Wilson  <bob.wilson@acm.org>
13207
13208         * config/xtensa/lib1funcs.asm: Clean up whitespace.
13209
13210 2007-06-07  Steve Ellcey  <sje@cup.hp.com>
13211
13212         PR target/31850
13213         * rtl.h (push_to_sequence2): New.
13214         * emit-rtl.c (push_to_sequence2): New.
13215         * function.c (assign_parm_data_all): Add new fields.
13216         (assign_parm_setup_block): Call push_to_sequence2 instead of
13217         push_to_sequence.
13218         (assign_parm_setup_reg): Ditto.
13219         (assign_parm_setup_stack): Ditto.
13220         (assign_parms_unsplit_complex): Ditto.
13221         (assign_parms): Change field name.
13222
13223 2007-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
13224
13225         PR tree-optimization/32220
13226         * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
13227         phi node is reached before defining statement.
13228
13229 2007-06-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13230
13231         PR tree-opt/32231
13232         * tree-vect-transform.c (vectorizable_call): Call update_stmt
13233         after changing the right hand side of the assignment.
13234
13235 2007-06-06  Eric Christopher  <echristo@apple.com>
13236
13237         * config.gcc (i?86-*-darwin*): Remove arch parameter.
13238         (x86_64-*-darwin*): Ditto.
13239         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
13240         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13241
13242 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13243
13244         * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
13245         coding conventions.
13246         (add_key): Likewise.
13247         * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
13248         * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
13249         variable names.
13250         * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
13251         macros.
13252         (add_cost_one_coalesce): Likewise.
13253         * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
13254         variable names. Rename orig to orig_name for consistency.
13255         * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
13256         coding conventions.
13257         (cprop_into_successor_phis): Avoid using C++ keywords as variable
13258         names.
13259         (record_equivalences_from_stmt): Likewise.
13260         * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
13261         the coding conventions.
13262         (memory_ssa_name_same): Likewise.
13263         (dse_optimize_stmt): Likewise.
13264         (dse_record_phis): Likewise.
13265         (dse_finalize_block): Likewise.
13266         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
13267         keywords as variable names.
13268         (may_move_till): Cast according to the coding conventions.
13269         (force_move_till_expr): Avoid using C++ keywords as variable names.
13270         (force_move_till): Cast according to the coding conventions.
13271         (memref_hash): Likewise.
13272         (memref_eq): Likewise.
13273         (gather_mem_refs_stmt): Likewise.
13274         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
13275         using C++ keywords as variable names.
13276         (idx_find_step): Cast according to the coding conventions.
13277         (idx_record_use): Likewise.
13278         (find_depends): Likewise.
13279         (prepare_decl_rtl): Likewise.
13280         (mbc_entry_hash): Likewise.
13281         (mbc_entry_eq): Likewise.
13282         * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
13283         (simplify_replace_tree): Avoid using C++ keywords as variable names.
13284         (idx_infer_loop_bounds): Cast according to the coding conventions.
13285         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
13286         * tree-ssa-math-opts.c (occ_new ): Likwise.
13287         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
13288         macros.
13289         * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
13290         variable names.
13291         (add_use_op): Likewise.
13292         (add_vop): Likewise.
13293         (add_vuse_op): Likewise.
13294         (add_vdef_op): Likewise.
13295         (get_expr_operands): Likewise.
13296         (push_stmt_changes): Use type safe memory macros.
13297         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
13298         keywords as variable names.
13299         (conditional_replacement): Likewise.
13300         (minmax_replacement): Likewise.
13301         (abs_replacement): Likewise.
13302         * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
13303         coding conventions.
13304         (insert_fake_stores): Avoid using C++ keywords as variable names.
13305         * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
13306         conventions.
13307         * tree-ssa-structalias.c (heapvar_lookup): Likewise.
13308         (heapvar_insert): Use type safe memory macros.
13309         (new_var_info): Cast according to the coding conventions.
13310         (new_constraint): Likewise.
13311         (remove_preds_and_fake_succs): Use type safe memory macros.
13312         * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
13313         conventions.
13314         (thread_single_edge): Likewise.
13315         (thread_through_loop_header): Likewise.
13316
13317 2007-06-06  Eric Christopher  <echristo@apple.com>
13318
13319         * config/i386/i386.c (override_options): Move handling
13320         of TARGET_SUBTARGET* earlier.
13321
13322 2007-06-06  Paolo Bonzini  <bonzini@gnu.org>
13323
13324         * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
13325         use %n on printf.
13326
13327 2007-06-06  Zdenek Dvorak  <dvorakz@suse.cz>
13328
13329         * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
13330         emited outside of basic block.
13331         * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
13332         the created blocks.
13333         * rtl.h (delete_insn_chain): Declaration changed.
13334         * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
13335         non-removed insns.
13336         (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
13337         (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
13338         rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
13339         to delete_insn_chain.
13340         (rtl_verify_flow_info_1): Verify that the insns in header and footer
13341         do not have bb field set.
13342         (rtl_verify_flow_info): Verify that insns between basic blocks do not
13343         have bb field set.
13344         * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
13345         * cfgcleanup.c (try_optimize_cfg): Ditto.
13346
13347 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13348
13349         * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
13350         (lambda_body_vector_new): Use type safe memory macros.
13351         (lambda_linear_expression_new): Likewise.
13352         (lambda_loopnest_new): Likewise.
13353         (lambda_lattice_new): Likewise.
13354         (replace_uses_equiv_to_x_with_y): Cast according to the coding
13355         conventions. Use type safe memory macros.
13356         * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
13357         (lambda_body_vector_s): Likewise.
13358         * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
13359         * lambda-trans.c (lambda_trans_matrix_new): Likewise.
13360
13361 2007-06-06  Richard Guenther  <rguenther@suse.de>
13362
13363         * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
13364         if we need to schedule cfg_cleanup.
13365         (tree_ssa_forward_propagate_single_use_vars): Do so.
13366
13367 2007-06-06  Ian Lance Taylor  <iant@google.com>
13368
13369         * fold-const.c (merge_ranges): If range_successor or
13370         range_predecessor fail, just return 0.
13371
13372 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13373
13374         PR tree-optimization/32216
13375         * tree-vectorizer.c (supportable_widening_operation): Determine
13376         signedness of FIX_TRUNC_EXPR from output operand.
13377         (supportable_narrowing_operation): Ditto.
13378         * tree-vect-generic.c (expand_vector_operations_1): Determine
13379         signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
13380         from input operand.
13381
13382 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13383
13384         * config/i386/i386.c (enum pta_flags): Move out of struct scope...
13385         (struct pta): ...from here. Change flags to unsigned to avoid
13386         excessive casting (as it is used as a bit mask).
13387         (override_options): Add casts according to the coding convenventions.
13388         (x86_64_elf_unique_section): Likewise.
13389         (examine_argument): Avoid using C++ keywords as variable names.
13390         (construct_container): Likewise.
13391         (legitimize_pic_address): Likewise.
13392         (get_dllimport_decl): Cast according to the coding conventions. Use
13393         type safe memory macros.
13394         (legitimize_address): Cast according to the coding conventions.
13395         (emit_i387_cw_initialization): Corrected the type of slot to enum
13396         ix86_stack_slot.
13397         (ix86_init_machine_status): Use type safe memory macros.
13398         (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
13399         (bdesc_pcmpistr): Likewise.
13400         (bdesc_crc32): Likewise.
13401         (bdesc_sse_3arg): Likewise.
13402         (bdesc_2arg): Likewise.
13403         (bdesc_1arg): Likewise.
13404         (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
13405         (ix86_expand_sse_pcmpistr): Likewise.
13406         (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
13407         (ix86_builtin_vectorized_function): Change the type of fn to unsigned
13408         int to match the langhook definition.
13409         (ix86_builtin_conversion): Change the type of code to unsigned init to
13410         match the langhook definition.
13411         (ix86_preferred_reload_class): Avoid using C++ keywords as variable
13412         names.
13413         (ix86_preferred_output_reload_class): Likewise.
13414         (ix86_cannot_change_mode_class): Likewise.
13415         (ix86_memory_move_cost): Likewise.
13416         (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
13417         avoid excessive casting later on.
13418         (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
13419
13420 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13421
13422         * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
13423         as flags setting insn.
13424         (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
13425
13426 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13427
13428         * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
13429         (UNSPEC_ROUND): New.
13430         ("sse4_1_round<mode>2"): New insn pattern.
13431         ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
13432         SSE4.1 targets.
13433         ("floor<mode>2"): Rename from floordf2 and floorsf2.  Macroize
13434         expander using SSEMODEF mode macro.  Expand using
13435         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13436         ("ceil<mode>2"): Rename from ceildf2 and ceilsf2.  Macroize
13437         expander using SSEMODEF mode macro.  Expand using
13438         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13439         ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2.  Macroize
13440         expander using SSEMODEF mode macro.  Expand using
13441         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13442         * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
13443         UNSPEC_ROUND instead of UNSPEC_ROUNDP.
13444         ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
13445         UNSPEC_ROUNDS.
13446
13447 2007-06-06  Jan Sjodin  <jan.sjodin@amd.com>
13448             Sebastian Pop  <sebpop@gmail.com>
13449
13450         * lambda.h (build_linear_expr): New.
13451         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
13452         Use build_linear_expr, call fold and force_gimple_operand.
13453         (lambda_loopnest_to_gcc_loopnest): Check that there is
13454         something to insert.
13455         * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
13456
13457 2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>
13458
13459         PR preprocessor/23479
13460         * doc/extend.texi: Document the 0b-prefixed binary integer
13461         constant extension.
13462
13463 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13464
13465         PR tree-optimization/32215
13466         * tree-vectorizer.c (supportable_widening_operation): Return false
13467         for unsupported FIX_TRUNC_EXPR tree code.
13468         (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
13469
13470 2007-06-06  Nathan Froyd  <froydnj@codesourcery.com>
13471
13472         * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
13473         register on SPE targets.  Change documentation to reflect
13474         reality.
13475         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
13476         Change FIXED_SCRATCH to 14 and document why we're keeping r14
13477         out of the register allocation pool.
13478         (rs6000_reg_live_or_pic_offset_p): New function.
13479         (rs6000_emit_prologue): Move the actual saving of LR up to free
13480         r0 for holding r11.  Split saving of SPE 64-bit registers into
13481         its own case.  Ensure that offsets will always be in-range for
13482         'evstdd' by using r11 as a scratch register to point at the start
13483         of the SPE save area.  Save r11 if necessary, as it is the static
13484         chain register.
13485         (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
13486         into its own case.  Ensure that offsets will always be in-range
13487         for 'evldd' by using r11 as a scratch register to point at the
13488         start of the SPE save area.  Also adjust r11 when restoring
13489         the stack pointer to compensate for pre-loading r11.
13490
13491 2007-06-05  Thomas Neumann  <tneumann@users.sourceforge.net>
13492
13493         * cfg.c (init_flow): Use type safe memory macros.
13494         (alloc_block): Likewise.
13495         (unchecked_make_edge): Likewise.
13496         (dump_flow_info): Avoid using C++ keywords as variable names.
13497         (copy_original_table_clear): Cast according to the coding conventions.
13498         (copy_original_table_set): Likewise.
13499         * cfgexpand (label_rtx_for_bb): Likewise.
13500         (expand_gimple_basic_block): Likewise.
13501         * cfghooks.c (dump_bb): Likewise.
13502         (lv_adjust_loop_header_phi): Avoid using C++ keywords as
13503         variable names.
13504         (lv_add_condition_to_bb): Likewise.
13505         * cfglayout (relink_block_chain): Cast according to the coding
13506         conventions.
13507         (fixup_reorder_chain): Likewise.
13508         (fixup_fallthru_exit_predecessor): Likewise.
13509         * cfgloop.c (glb_enum_p): Likewise.
13510         (get_exit_description): Likewise.
13511         (dump_recorded_exit): Likewise.
13512         * cfgloop.h (enum loop_estimation): Move out of struct scope...
13513         (struct loop): ... from here.
13514         * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
13515         conventions.
13516         * cfgrtl.c (rtl_create_basic_block): Likewise.
13517         (rtl_split_block): Likewise.
13518         (rtl_dump_bb): Likewise.
13519         (cfg_layout_split_block): Likewise.
13520         (init_rtl_bb_info): Use typesafe memory macros.
13521
13522         * graphds.h (struct graph_edge): Renamed edge to graph_edge.
13523         * graphds.h: Updated all usages of edge to graph_edge.
13524         * graphds.c: Likewise.
13525         * cfgloopanal.c: Likewise.
13526
13527 2007-06-05  Ian Lance Taylor  <iant@google.com>
13528
13529         * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
13530         PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
13531         (extract_range_from_assert): Set TREE_NO_WARNING when creating an
13532         expression.
13533         (test_for_singularity): Likewise.
13534
13535 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13536
13537         * config/i386/constraints.md ("Y2"): Replaced by ...
13538         ("Yt"): This.
13539         * config/i386/i386.md: Likewise.
13540         * config/i386/mmx.md: Likewise.
13541         * config/i386/sse.md: Likewise.
13542
13543 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13544
13545         * config/i386/constraints.md ("z"): Replaced by ...
13546         ("Y0"): This.
13547         * config/i386/sse.md (sse4_1_blendvpd): Likewise.
13548         (sse4_1_blendvps): Likewise.
13549         (sse4_1_pblendvb): Likewise.
13550         (sse4_2_pcmpestr): Likewise.
13551         (sse4_2_pcmpestrm): Likewise.
13552         (sse4_2_pcmpestr_cconly): Likewise.
13553         (sse4_2_pcmpistr): Likewise.
13554         (sse4_2_pcmpistrm): Likewise.
13555         (sse4_2_pcmpistr_cconly): Likewise.
13556
13557 2007-06-05  Razya Ladelsky  <razya@il.ibm.com>
13558
13559         * matrix-reorg.c (transform_access_sites): Fix computation.
13560         (transform_allocation_sites): Same.
13561
13562 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13563
13564         * config/i386/i386.c (override_options): Use
13565         TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
13566
13567 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13568
13569         * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
13570         (nonimm_not_xmm0_operand): Ditto.
13571         * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
13572         as operand[0] and operand[1] predicate.  Use "nonimm_not_xmm0_operand"
13573         as operand[2] predicate.  Require "z" class XMM register for
13574         operand[3].  Adjust asm template.
13575         ("sse4_1_blendvpd"): Ditto.
13576         ("sse4_1_pblendvb"): Ditto.
13577         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
13578         force op2 into xmm0 register for variable blend instructions.
13579
13580 2007-06-04  Tom Tromey  <tromey@redhat.com>
13581
13582         * c-tree.h (start_enum): Update.
13583         (build_enumerator): Likewise.
13584         * c-decl.c (enum_next_value): Removed.
13585         (enum_overflow): Likewise.
13586         (start_enum): Add c_enum_contents argument.  Don't use globals.
13587         (build_enumerator): Likewise.
13588         * c-tree.h (struct c_enum_contents): New struct.
13589
13590 2007-06-04  Tom Tromey  <tromey@redhat.com>
13591
13592         * c-common.c (c_common_get_alias_set): Fix indentation.
13593
13594 2007-06-04  Ian Lance Taylor  <iant@google.com>
13595
13596         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
13597         to overflow, reduce overflow infinity to regular infinity.
13598         (vrp_var_may_overflow): New static function.
13599         (vrp_visit_phi_node): Check vrp_var_may_overflow.
13600
13601 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
13602
13603         * stor-layout.c (layout_type): Remove duplicate code.
13604
13605 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
13606
13607         PR c/32191
13608         * c-common.c (c_define_builtins): Call targetm.init_builtins ()
13609         before build_common_builtin_nodes ().
13610
13611 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
13612
13613         PR target/31733
13614         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
13615
13616 2007-06-04  Jan Hubicka  <jh@suse.cz>
13617
13618         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
13619         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
13620         instead of _stat version.
13621
13622 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13623
13624         PR tree-optimization/32194
13625         * tree-predcom.c (determine_offset): Check that both references have
13626         the same type.
13627
13628 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13629
13630         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
13631         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
13632         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
13633         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
13634         Add argument to iterate_fix_dominators call.
13635         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
13636         * gcse.c (hoist_code): Change domby to vector.
13637         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
13638         Add argument to iterate_fix_dominators call.
13639         * loop-doloop.c (doloop_modify): Changed recount_dominator to
13640         recompute_dominator.
13641         * lambda-code.c (perfect_nestify): Ditto.
13642         * cfgloopanal.c: Include graphds.h.
13643         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
13644         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
13645         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
13646         add_edge call.
13647         * graphds.c: New file.
13648         * graphds.h: New file.
13649         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
13650         (get_dominated_by, get_dominated_by_region): Change return type to
13651         vector.
13652         (verify_dominators): Recompute all dominators and compare the results.
13653         (recount_dominator): Renamed to ...
13654         (recompute_dominator): ... this.  Do not check that the block is
13655         dominated by entry.
13656         (iterate_fix_dominators): Reimplemented.
13657         (prune_bbs_to_update_dominators, root_of_dom_tree,
13658         determine_dominators_for_sons): New functions.
13659         * et-forest.c (et_root): New function.
13660         * et-forest.h (et_root): Declare.
13661         * Makefile.in (graphds.o): Add.
13662         (cfgloopanal.o): Add graphds.h dependency.
13663         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
13664         * basic-block.h (get_dominated_by, get_dominated_by_region,
13665         iterate_fix_dominators): Declaration changed.
13666         (recount_dominator): Renamed to ...
13667         (recompute_dominator): ... this.
13668         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
13669         (thread_through_all_blocks): Do not free dominance info.
13670
13671 2007-06-03  Andreas Schwab  <schwab@suse.de>
13672
13673         * config/m68k/m68k.c (override_options): Don't override
13674         REAL_MODE_FORMAT.
13675         * config/m68k/m68k-modes.def (SF, DF): Define to use
13676         motorola_single_format and motorola_double_format, resp.
13677         * real.c (motorola_single_format): Renamed from
13678         coldfire_single_format.
13679         (motorola_double_format): Renamed from coldfire_double_format.
13680         (encode_ieee_extended): Generate a proper canonical NaN image
13681         respecting canonical_nan_lsbs_set.
13682         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
13683         true.
13684         * real.h: Adjust declarations.
13685
13686 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
13687
13688         PR target/32163
13689         * config/sh/sh.md (symGOT_load): Don't schedule insns when
13690         the symbol is generated with the stack protector.
13691
13692 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
13693
13694         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
13695         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
13696         "interrupt".
13697         * doc/extend.texi (interrupt): Mention m68k.
13698
13699 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
13700
13701         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
13702         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
13703         (ix86_expand_sse_pcmpestr): Do not check operands for
13704         "register_operand", when insn operand predicate is "register_operand".
13705         (ix86_expand_sse_pcmpistr): Ditto.
13706
13707 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
13708             Uros Bizjak  <ubizjak@gmail.com>
13709
13710         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
13711         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
13712         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
13713         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
13714         * config/i386/constraints.md ("z"): New register constraint
13715         for members of SSE_FIRST_REG class.
13716         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
13717         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
13718         SSE_FIRST_REG class.
13719         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
13720         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
13721         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
13722         (IX86_BUILTIN_PCMPESTRM128): Likewise.
13723         (IX86_BUILTIN_PCMPESTRA128): Likewise.
13724         (IX86_BUILTIN_PCMPESTRC128): Likewise.
13725         (IX86_BUILTIN_PCMPESTRO128): Likewise.
13726         (IX86_BUILTIN_PCMPESTRS128): Likewise.
13727         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
13728         (IX86_BUILTIN_PCMPISTRI128): Likewise.
13729         (IX86_BUILTIN_PCMPISTRM128): Likewise.
13730         (IX86_BUILTIN_PCMPISTRA128): Likewise.
13731         (IX86_BUILTIN_PCMPISTRC128): Likewise.
13732         (IX86_BUILTIN_PCMPISTRO128): Likewise.
13733         (IX86_BUILTIN_PCMPISTRS128): Likewise.
13734         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
13735         (struct builtin_description): Change "flag" field to unsigned.
13736         (bdesc_pcmpestr): New builtin description table.
13737         (bdesc_pcmpistr): Likewise.
13738         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
13739         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
13740         Initialize pcmp[ei]str[im] insns for SSE4.2.
13741         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
13742         (ix86_expand_sse_pcmpistr): Likewise.
13743         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
13744         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
13745         (UNSPEC_PCMPISTR): Likewise.
13746         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
13747         (sse4_2_pcmpestri):New isns pattern.
13748         (sse4_2_pcmpestrm): Likewise.
13749         (sse4_2_pcmpestr_cconly): Likewise.
13750         (sse4_2_pcmpistr): New insn patern and splitter.
13751         (sse4_2_pcmpistri):New isns pattern.
13752         (sse4_2_pcmpistrm): Likewise.
13753         (sse4_2_pcmpistr_cconly): Likewise.
13754         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
13755         in SSE4.2.
13756
13757 2007-06-01  David Daney  <ddaney@avtrex.com>
13758
13759         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
13760         LOADGP_ABSOLUTE and not binds_local_p.
13761
13762 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
13763
13764         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
13765
13766 2007-06-01  Ian Lance Taylor  <iant@google.com>
13767
13768         * tree-vrp.c (compare_name_with_value): Always set
13769         used_strict_overflow if we get a result from the variable itself.
13770
13771 2007-06-01  Ian Lance Taylor  <iant@google.com>
13772
13773         PR rtl-optimization/31455
13774         * lower-subreg.c (find_decomposable_subregs): Don't decompose
13775         subregs which have a cast between modes which are not tieable.
13776
13777 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
13778
13779         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
13780         breaks after return statements.
13781
13782 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
13783
13784         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
13785         only after no_new_pseudos.
13786
13787 2007-05-31  Eric Christopher  <echristo@apple.com>
13788
13789         * expr.c (convert_move): Assert that we don't have a BLKmode
13790         operand.
13791         (store_expr): Handle BLKmode moves by calling emit_block_move.
13792
13793 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
13794
13795         * c-typeck.c (build_indirect_ref): Include type in error message.
13796         (build_binary_op): Pass types to binary_op_error.
13797         * c-common.c (binary_op_error): Take two type arguments, print out
13798         types with error.
13799         * c-common.h (binary_op_error): Update prototype.
13800
13801 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13802
13803         * config/i386/i386.c: Correct coments on -mno-sse4.
13804
13805 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13806
13807         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
13808         (x86_64-*-*): Likewise.
13809         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
13810         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
13811         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
13812         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
13813         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
13814         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
13815         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
13816         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
13817         (OPTION_MASK_ISA_SSE4): Likewise.
13818         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
13819         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
13820         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
13821         (override_options): Support SSE4.2.
13822         (ix86_build_const_vector): Support SImode and DImode.
13823         (ix86_build_signbit_mask): Likewise.
13824         (ix86_expand_int_vcond): Support V2DImode.
13825         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
13826         (IX86_BUILTIN_CRC32HI): Likewise.
13827         (IX86_BUILTIN_CRC32SI): Likewise.
13828         (IX86_BUILTIN_CRC32DI): Likewise.
13829         (IX86_BUILTIN_PCMPGTQ): Likewise.
13830         (bdesc_crc32): Likewise.
13831         (bdesc_sse_3arg): Likewise.
13832         (ix86_expand_crc32): Likewise.
13833         (ix86_init_mmx_sse_builtins): Support SSE4.2.
13834         (ix86_expand_builtin): Likewise.
13835         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
13836         __SSE4_2__ for -msse4.2.
13837         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
13838         (CRC32MODE): Likewise.
13839         (crc32modesuffix): Likewise.
13840         (crc32modeconstraint): Likewise.
13841         (sse4_2_crc32<mode>): Likewise.
13842         (sse4_2_crc32di): Likewise.
13843         * config/i386/i386.opt (msse4.2): New for SSE4.2.
13844         (msse4): Likewise.
13845         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
13846         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
13847         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
13848         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
13849         (vcondu<mode>): Likewise.
13850         * doc/extend.texi: Document SSE4.2 built-in functions.
13851         * doc/invoke.texi: Document -msse4.2/-msse4.
13852
13853 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
13854
13855         PR tree-optimization/32160
13856         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
13857         variable as gimple reg.
13858         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
13859
13860 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
13861
13862         * gcc.c (main): Don't consider linker options when issuing the
13863         warning about a linker input file not being used.
13864
13865 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13866
13867         * tree-vrp.c (compare_names): Initialize sop.
13868
13869 2007-05-30  Dirk Mueller  <dmueller@suse.de>
13870
13871         * cgraphunit.c (cgraph_analyze_function): Remove
13872         computation of inline parameters.
13873
13874 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
13875
13876         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
13877
13878 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
13879
13880         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
13881         Add vx-common.h.  Include vxworks.h between vx-common.h and
13882         arm/vxworks.h.
13883         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
13884         redefining.
13885         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
13886         (TARGET_ASM_DESTRUCTOR): Likewise.
13887         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
13888         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
13889         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
13890         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
13891         (VXWORKS_ENDIAN_SPEC): Define.
13892         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
13893         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
13894         VXWORKS_* equivalents.
13895         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
13896         (ASM_FILE_START): Delete.
13897         (TARGET_VERSION): Reformat.
13898         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
13899         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
13900         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
13901         (FPBIT, DPBIT): Define.
13902         (fp-bit.c, dp-bit.c): New rules.
13903         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
13904         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
13905         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
13906         * config/arm/arm.h: Include vxworks-dummy.h.
13907         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
13908         Mark with ATTRIBUTE_UNUSED.
13909         (arm_override_options): Do not allow VxWorks RTP PIC to be used
13910         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
13911         make it incompatible with -msingle-pic-base.
13912         (arm_function_ok_for_sibcall): Return false for calls that might
13913         go through a VxWorks PIC PLT entry.
13914         (require_pic_register): New function, split out from...
13915         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
13916         for VxWorks RTPs.
13917         (arm_load_pic_register): Handle the VxWorks RTP initialization
13918         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
13919         (arm_emit_call_insn): New function.
13920         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
13921         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
13922         (pic_offset_arm): New pattern.
13923         (call, call_value): Use arm_emit_call_insn.
13924         (call_internal, call_value_internal): New expanders.
13925         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
13926         VxWorks unless __PIC__.
13927
13928 2007-05-30  Eric Christopher  <echristo@gmail.com>
13929
13930         * genrecog.c: Include regs.h in generated file.
13931         * genemit.c: Ditto. Fix up formatting.
13932         * config/mn10300/constraints.md: New.
13933         * config/mn10300/mn10300.md: Include.
13934         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
13935         Fix up for removed macro.
13936         * config/mn10300/predicates.md (call_address_operand): Ditto.
13937         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
13938         (CONST_OK_FOR_I): Ditto.
13939         (CONST_OK_FOR_J): Ditto.
13940         (CONST_OK_FOR_K): Ditto.
13941         (CONST_OK_FOR_L): Ditto.
13942         (CONST_OK_FOR_M): Ditto.
13943         (CONST_OK_FOR_N): Ditto.
13944         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
13945         (OK_FOR_Q): Ditto.
13946         (OK_FOR_R): Ditto.
13947         (OK_FOR_T): Ditto.
13948         (EXTRA_CONSTRAINT): Ditto.
13949
13950 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
13951
13952         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
13953         Remove defines.
13954         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
13955         OPTION_MASK_ISA_64BIT.
13956         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
13957
13958 2007-05-30  Richard Guenther  <rguenther@suse.de>
13959
13960         PR middle-end/32152
13961         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
13962         types for comparison.
13963         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
13964         with original typed arguments.
13965         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
13966
13967 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
13968
13969         PR tree-optimization/31769
13970         * except.c (duplicate_eh_regions): Clear prev_try if
13971         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
13972
13973 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
13974
13975         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
13976         * tree-ssa-sink.c (statement_sink_location): Return basic block and
13977         bsi of the location where statements should be inserted.
13978         (sink_code_in_bb): Take bsi from statement_sink_location.
13979         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
13980         instead of bsi_start.
13981         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
13982         bsi_insert_after.
13983         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
13984         (bsi_move_before): Document inconsistency with bsi_move_after.
13985         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
13986
13987 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
13988
13989         * config/i386/i386.h (TARGET_ABM): New define.
13990         (TARGET_POPCNT): Ditto.
13991         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
13992         New temporary defines to redefine from OPTION_ISA_* defines.
13993         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
13994         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
13995         (ix86_isa_flags): New extern int declaration.
13996         (TARGET_SUBTARGET_DEFAULT): New define.
13997         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
13998         (TARGET_SUBTARGET32_DEFAULT): Ditto.
13999         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
14000         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
14001         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
14002         * config/i386/darwin.h: Change TARGET_64BIT define to
14003         OPTION_ISA_64BIT.
14004
14005         * config/i386/i386.opt (m3dnowa): Define as undocumented option
14006         using existing "ix86_isa_flags" varible.
14007         (m32, m64): Use existing "ix86_isa_flags" variable.
14008         (mmmx, m3dnow): Ditto.
14009         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
14010         (mabm): Define as non-negative option using "x86_abm" variable.
14011         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
14012
14013         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
14014         Rewrite feature test bitmap.
14015         (ix86_isa_flags): New initialized global int varible.
14016         (ix86_isa_flags_explicit): New static int variable.
14017         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
14018         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
14019         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
14020         target_flags_explicit.
14021         (override_options): Remove "target_enable" and "target_disable" fields
14022         from "struct ptt". Update processor_target_table accordingly. Remove
14023         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
14024         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
14025         "target_flags" and "ix86_isa_flags_explicit" instead of
14026         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
14027         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
14028         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
14029         to true when either of PTA_POPCNT or PTA_ABM is set in
14030         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
14031         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
14032         processor_alias_table flags entry.  Remove handling of
14033         "target_enable" and "target_disable" fields of processor_target_table.
14034         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
14035         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
14036         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
14037         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
14038         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
14039         "target_flags".
14040         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
14041
14042 2007-05-29  David Daney  <ddaney@avtrex.com>
14043
14044         PR gcc/31975
14045         * config/mips/mips.c (mips_output_mi_thunk): Emit
14046         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
14047
14048 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
14049         * config/i386/i386.c (ix86_function_regparm): Added checking of
14050         ix86_force_align_arg_pointer to determine the number of
14051         register parameters.
14052
14053 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
14054
14055         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
14056         (SET_DR_MISALIGNMENT): New.
14057         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
14058         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
14059         Use SET_DR_MISALIGNMENT.
14060         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
14061         pointer.
14062         * tree-data-ref.c (create_data_ref, compute_all_dependences,
14063         find_loop_nest): Export.
14064         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
14065         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
14066         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
14067         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
14068         New macros.
14069         (struct mem_ref): Add field reuse_distance.
14070         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
14071         Initialize reuse_distance field.
14072         (issue_prefetch_ref): Select temporality of prefetch according to
14073         reuse_distance.
14074         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
14075         self_reuse_distance, determine_loop_nest_reuse): New functions.
14076         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
14077         (tree_ssa_prefetch_arrays): Dump L2 cache size.
14078         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
14079         dependency.
14080
14081 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
14082
14083         * tree-ssa-alias.c: Add aliasing overview.
14084
14085 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
14086             Danny Smith  <dannysmith@users.sourceforge.net>
14087
14088         PR target/29498
14089         * config/i386/t-crtfm: Compile crtfastmath.o with
14090         -minline-all-stringops.
14091         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
14092         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
14093
14094 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14095
14096         * doc/md.texi: Document constraints on HP PA-RISC.
14097
14098         * pa/constraints.md: New file.
14099         * pa.md: Include constraints.md.
14100         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
14101         (integer_store_memory_operand, ldil_cint_p): New functions.
14102         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
14103         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
14104         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
14105         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
14106         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
14107
14108 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
14109
14110         PR c/31339
14111         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
14112         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
14113         case POSTDECREMENT_EXPR>): Return the error_mark_node
14114         if either the real or imaginary parts would an
14115         error_mark_node.
14116
14117 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
14118
14119         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
14120         name when we remove it from a call.
14121
14122 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
14123
14124         * targhooks.c (default_narrow_bitfield): Remove.
14125         * targhooks.h: Remove the prototype for
14126         default_narrow_bitfield.
14127
14128         * langhooks-def.h: Remove the prototype for
14129         hook_get_alias_set_0.
14130         * langhooks.c (hook_get_alias_set_0): Remove.
14131
14132         * global.c (EXECUTE_IF_CONFLICT): Remove.
14133
14134 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14135
14136         PR tree-opt/32100
14137         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
14138         return true when truth_value_p is true and the type
14139         is of signed:1.
14140
14141 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
14142
14143         * doc/install.texi (Prerequisites): We no longer require Autoconf
14144         2.13 for the top-level.
14145
14146 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
14147
14148         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
14149         memory access via x86_expand_vector_move_misalign() only for
14150         TImode values on 32-bit targets.
14151
14152 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
14153
14154         * matrix-reorg.c: New file. Implement matrix flattening and
14155         transposing optimization.
14156         * tree-pass.h: Add matrix reorg pass.
14157         * common.opt: Add fipa-mreorg flag.
14158         * Makefile.in: Add matrix-reorg.c.
14159         * passes.c: Add matrix reorg pass.
14160         * varpool.c (add_new_static_var): New function.
14161         * cgraph.h (add_new_static_var): Declare.
14162
14163 2007-05-27  Eric Christopher  <echristo@apple.com>
14164
14165         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
14166         sp_offset depending on stack size. Save r12 depending
14167         on registers we're saving later.
14168         (rs6000_emit_epilogue): Update sp_offset depending only
14169         on stack size.
14170
14171 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
14172
14173         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
14174         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
14175         * ifcvt.c (if_convert): Ditto.
14176         * tree-ssa-threadupdate.c (thread_block): Ditto.
14177         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
14178         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
14179         verify_loop_closed_ssa): Check number_of_loops instead of
14180         current_loops.
14181         * predict.c (tree_estimate_probability): Ditto.
14182         * tree-if-conv.c (main_tree_if_conversion): Ditto.
14183         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14184         * modulo-sched.c (sms_schedule): Ditto.
14185         * tree-scalar-evolution.c (scev_const_prop): Ditto.
14186         (scev_finalize): Do not do anything if scev analysis was not
14187         initialized.
14188         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
14189         current_loops == NULL.
14190         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
14191         * loop-init.c (loop_optimizer_init): Do not free current_loops when
14192         there are no loops.
14193         (loop_optimizer_finalize): Assert that loops were analyzed.
14194         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
14195         rtl_doloop): Check number_of_loops instead of current_loops.
14196         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
14197         current_loops == NULL.
14198         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
14199         gate_tree_vectorize tree_linear_transform, check_data_deps,
14200         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
14201         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
14202         Check number_of_loops instead of current_loops.
14203         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
14204         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
14205         free loops if available.
14206         (execute_pre): Do not pass do_fre to fini_pre.
14207
14208 2007-05-27  Tobias Burnus  <burnus@net-b.de>
14209
14210         PR middle-end/32083
14211         * real.c (mpfr_from_real): Fix sign of -Inf.
14212
14213 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
14214
14215         * tree-vect-transform.c (vectorizable_conversion): Initialize
14216         tree_code variables to ERROR_MARK.
14217         (vectorizable_type_demotion): Likewise.
14218         (vectorizable_type_promotion): Likewise.
14219
14220 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14221
14222         PR target/32065
14223         * config/i386/i386.md (movti): Handle push operands via
14224         ix86_expand_push().
14225
14226 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14227
14228         * basic-block.h: Remove the prototype for merge_seq_blocks.
14229         * cfgcleanup.c (merge_seq_blocks): Remove.
14230
14231         * tree-flow.h: Remove the prototype for is_aliased_with.
14232         * tree-ssa-alias.c (is_aliased_with): Remove.
14233
14234 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
14235
14236         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
14237
14238         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
14239
14240         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
14241         ix86_expand_sse4_unpack if SSE4.1 is enabled.
14242         (vec_unpacks_hi_v16qi): Likewise.
14243         (vec_unpacku_lo_v16qi): Likewise.
14244         (vec_unpacks_lo_v16qi): Likewise.
14245         (vec_unpacku_hi_v8hi): Likewise.
14246         (vec_unpacks_hi_v8hi): Likewise.
14247         (vec_unpacku_lo_v8hi): Likewise.
14248         (vec_unpacks_lo_v8hi): Likewise.
14249         (vec_unpacku_hi_v4si): Likewise.
14250         (vec_unpacks_hi_v4si): Likewise.
14251         (vec_unpacku_lo_v4si): Likewise.
14252         (vec_unpacks_lo_v4si): Likewise.
14253
14254 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14255
14256         * c-typeck.c, config/arm/arm.c, config/darwin.c,
14257         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
14258         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
14259         follow spelling conventions in various
14260         warning/error/diagnostic messages.
14261
14262         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
14263         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
14264         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
14265         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
14266         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
14267         * doc/tm.texi: Follow spelling conventions.
14268
14269 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14270
14271         PR tree-opt/32090
14272         * tree-ssa-forwprop.c
14273         (forward_propagate_addr_into_variable_array_index): Remove
14274         the lhs argument.  Use the type of def_rhs instead of lhs.
14275         (forward_propagate_addr_expr_1): Update use of
14276         forward_propagate_addr_into_variable_array_index.
14277
14278 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
14279             Nigel Stephens  <nigel@mips.com>
14280
14281         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
14282         function attributes, "far" being an alias for "long_call".
14283         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
14284         (mips_near_type_p, mips_far_type_p): New.
14285         (mips_comp_type_attributes): New function to check that attributes
14286         attached to a function type are compatible.
14287         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
14288         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
14289         to the target function of the thunk.
14290         (mips_encode_section_info): Check for "near" and "far" function
14291         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
14292
14293         * config/mips/predicates.md (const_call_insn_operand): Test only
14294         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
14295
14296         * doc/extend.texi (Function Attributes): Document MIPS "near" and
14297         "far" attributes.
14298
14299         * testsuite/gcc.target/mips/near-far-1.c: New test case.
14300         * testsuite/gcc.target/mips/near-far-2.c: New test case.
14301         * testsuite/gcc.target/mips/near-far-3.c: New test case.
14302         * testsuite/gcc.target/mips/near-far-4.c: New test case.
14303
14304 2007-05-25  Eric Christopher  <echristo@apple.com>
14305
14306         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
14307         to x86-darwin configurations.
14308         * config/i386/t-darwin: Add softfp support.
14309         * config/i386/t-darwin64: Ditto.
14310         * config/i386/sfp-machine.h: If mach then don't use
14311         aliasing, emit a stub to call.
14312
14313 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
14314
14315         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
14316         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
14317         tree-predcom.c, tree-ssa-alias-warnings.c,
14318         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
14319         comment typos.  Follow spelling conventions.
14320         * doc/cpp.texi, doc/invoke.texi: Fix typos.
14321
14322 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14323
14324         PR target/32065
14325         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
14326         constants into memory.  Expand unaligned memory references for
14327         SSE modes via x86_expand_vector_move_misalign() function.
14328
14329 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
14330
14331         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
14332         "memory" attribute for "sseishft" type insn without operands[2].
14333
14334 2007-05-25  Dirk Mueller  <dmueller@suse.de>
14335             Marcus Meissner <meissner@suse.de>
14336
14337         * doc/extend.texi (alloc_size): New attribute.
14338         * c-common.c (handle_alloc_size_attribute): New.
14339         * tree-object-size.c (alloc_object_size): Use alloc_size
14340         attribute, if available.
14341
14342 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14343
14344         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
14345         with MASK_SSE2.
14346         (__builtin_ia32_vec_ext_v2di): Likewise.
14347         (__builtin_ia32_vec_ext_v4si): Likewise.
14348         (__builtin_ia32_vec_ext_v8hi): Likewise.
14349         (__builtin_ia32_vec_ext_v16qi): Likewise.
14350         (__builtin_ia32_vec_set_v8hi): Likewise.
14351
14352 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14353
14354         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
14355
14356 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
14357
14358         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
14359         (arm_is_longcall_p): Rename to...
14360         (arm_is_long_call_p): ...this.  Take a single tree argument and
14361         return a bool.
14362         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
14363         (CUMULATIVE_ARGS): Remove call_cookie.
14364         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
14365         (ENCODED_LONG_CALL_ATTR_P): Delete.
14366         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
14367         LONG_CALL_FLAG_CHAR cases.
14368         (ARM_DECLARE_FUNCTION_SIZE): Delete.
14369         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
14370         ARM_DECLARE_FUNCTION_SIZE.
14371         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
14372         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
14373         (arm_encode_call_attribute, current_file_function_operand): Delete.
14374         (arm_function_in_section_p): New function.
14375         (arm_is_longcall_p): Rename to...
14376         (arm_is_long_call_p): ...this.  Take the target function as a single
14377         argument and return a bool.  Do not rely on call cookies.  Check
14378         whether the target symbol is in the same section as the current
14379         function, not just the same compilation unit.
14380         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
14381         (arm_encode_section_info): Don't encode a call type.
14382         * config/arm/arm.md (call, call_value): Update calls to
14383         arm_is_long(_)call_p.  Simplify logic.
14384         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
14385         Update calls to arm_is_long(_)call_p.
14386
14387 2007-05-25  Richard Guenther  <rguenther@suse.de>
14388
14389         PR tree-optimization/31982
14390         * tree-ssa-forwprop.c
14391         (forward_propagate_addr_into_variable_array_index): Handle arrays
14392         with element size one.
14393
14394 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14395
14396         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
14397         (umulsi3_highpart): Likewise.
14398
14399 2007-05-24  Ian Lance Taylor  <iant@google.com>
14400
14401         PR rtl-optimization/32069
14402         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
14403         is NULL.
14404
14405 2007-05-24  Ollie Wild  <aaw@google.com>
14406
14407         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
14408         description.
14409
14410 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
14411
14412         * postreload-gcse.c (reg_changed_after_insn_p): New function.
14413         (oprs_unchanged_p): Use it to check all registers in a REG.
14414         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
14415         (reg_set_between_after_reload_p): Delete.
14416         (reg_used_between_after_reload_p): Likewise.
14417         (reg_set_or_used_since_bb_start): Likewise.
14418         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
14419         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
14420         Use reg_set_between_p instead of reg_set_between_after_reload_p.
14421         * rtlanal.c (reg_set_p): Check whether REG overlaps
14422         regs_invalidated_by_call, rather than just checking the
14423         membership of REGNO (REG).
14424
14425 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14426
14427         * doc/passes.texi: Document predictive commoning.
14428         * doc/invoke.texi (-fpredictive-commoning): Document.
14429         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
14430         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
14431         adding indices to the generated name.
14432         (schedule_sm): Pass 0 to get_lsm_tmp_name.
14433         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
14434         * tree-pretty-print.c (op_symbol_1): Renamed to ...
14435         (op_symbol_code): ... and exported.
14436         (dump_omp_clause, op_symbol): Use op_symbol_code
14437         instead of op_symbol_1.
14438         * tree-pass.h (pass_predcom): Declare.
14439         * timevar.def (TV_PREDCOM): New timevar.
14440         * tree-ssa-loop.c (run_tree_predictive_commoning,
14441         gate_tree_predictive_commoning, pass_predcom): New.
14442         * tree-data-ref.c (find_data_references_in_loop): Find the
14443         references in dominance order.
14444         (canonicalize_base_object_address): Ensure that the result has
14445         pointer type.
14446         (dr_analyze_innermost): Export.
14447         (create_data_ref): Code to fail for references with invariant
14448         address moved ...
14449         (find_data_references_in_stmt): ... here.
14450         * tree-data-ref.h (dr_analyze_innermost): Declare.
14451         * tree-affine.c: Include tree-gimple.h and hashtab.h.
14452         (aff_combination_find_elt, name_expansion_hash,
14453         name_expansion_eq, tree_to_aff_combination_expand,
14454         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
14455         New functions.
14456         * tree-affine.h (aff_combination_constant_multiple_p,
14457         tree_to_aff_combination_expand): Declare.
14458         * tree-predcom.c: New file.
14459         * common.opt (fpredictive-commoning): New option.
14460         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
14461         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
14462         * Makefile.in (tree-predcom.o): Add.
14463         (tree-affine.o): Add TREE_GIMPLE_H dependency.
14464         * passes.c (init_optimization_passes): Add dceloop after
14465         copy propagation in loop optimizer.  Add predictive commoning
14466         to loop optimizer passes.
14467
14468 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14469
14470         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
14471         default hook.
14472
14473 2007-05-24  Jan Hubicka  <jh@suse.cz>
14474
14475         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
14476         statistics.
14477         (genheader): Include statistics.h.
14478
14479         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
14480         notes are gone.
14481         * print-rtl.c (flag_dump_unnumbered): Update comments.
14482         (print_rtl): Fix my previous change.
14483         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
14484         specific data.
14485
14486 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14487
14488         PR middle-end/32018
14489         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
14490         set_loop_copy.
14491         (thread_through_all_blocks): Call initialize_original_copy_tables
14492         and free_original_copy_tables.
14493         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
14494         Use set_loop_copy.
14495         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
14496         * cfghooks.c (duplicate_block): Use get_loop_copy.
14497         * cfg.c: Include cfgloop.h.
14498         (loop_copy): New hash table.
14499         (initialize_original_copy_tables): Initialize loop_copy table.
14500         (free_original_copy_tables): Free loop_copy table.
14501         (copy_original_table_clear, copy_original_table_set,
14502         set_loop_copy, get_loop_copy): New functions.
14503         (set_bb_original, set_bb_copy): Use copy_original_table_set.
14504         * cfgloop.h (struct loop): Remove copy field.
14505         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
14506         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
14507
14508 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14509
14510         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
14511         -msse/-msse2/-msse3.
14512
14513 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14514
14515         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
14516         __builtin_ia32_vec_set_v2di with MASK_64BIT.
14517
14518 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
14519
14520         PR target/27067
14521         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
14522         * targhooks.h (default_mangle_decl_assembler_name): Declare
14523         default hook.
14524         * targhooks.c (default_mangle_decl_assembler_name): Define
14525         default hook.
14526         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
14527         default hook.
14528         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
14529         * langhooks.c (lhd_set_decl_assembler_name): Call
14530         targetm.mangle_decl_assembler_name for names with global scope.
14531
14532         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
14533         default.
14534         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
14535         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
14536         Declare.
14537         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
14538         New. Factored out of i386_pe_encode_section_info.
14539         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
14540         Move check for prior decoration of stdcall
14541         symbols to i386_pe_encode_section_info.
14542         (i386_pe_encode_section_info): Adjust call to
14543         gen_stdcall_or_fastcall_suffix.  Use
14544         i386_pe_maybe_mangle_decl_assembler_name, if needed.
14545         (i386_pe_mangle_decl_assembler_name): New. Wrap
14546         i386_pe_maybe_mangle_decl_assembler_name.
14547
14548 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
14549
14550         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
14551         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
14552         * langhooks.c (get_signed_or_unsigned_type): Don't check for
14553         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
14554         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
14555         TYPE_UNSIGNED.
14556
14557 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
14558             Nigel Stephens  <nigel@mips.com>
14559             Richard Sandiford  <richard@codesourcery.com>
14560
14561         Fix up MIPS16 hard float and add support for complex.
14562
14563         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
14564         (TARGET_SOFT_FLOAT_ABI): New.
14565         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
14566         __mips_soft_float to reflect the ABI in use, not whether the
14567         FPU is directly accessible (e.g., in MIPS16 mode).
14568         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
14569         (UNITS_PER_FPVALUE): Likewise.
14570
14571         * config/mips/mips.c (mips_expand_call): Remove redundant
14572         TARGET_MIPS16 check.
14573         (mips_arg_regno): New.
14574         (function_arg_advance): When setting bits in cum->fp_code for
14575         MIPS16, don't subtract 1 from cum->arg_number, since it is now
14576         zero-based.
14577         (function_arg): Use mips_arg_regno.
14578         (mips_return_mode_in_fpr_p): New.
14579         (mips16_call_stub_mode_suffix): New.
14580         (mips16_cfun_returns_in_fpr_p): New.
14581         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
14582         (mips_output_function_prologue): Test mips16_hard_float, not
14583         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
14584         (mips_expand_epilogue): Call MIPS16 helper routines to copy
14585         return value into a floating-point register.
14586         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
14587         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
14588         (mips16_fp_args): Handle MIPS32r2 ISA which supports
14589         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
14590         word of double arguments from or to the high bits of 64-bit
14591         floating point registers.
14592         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
14593         (mips16_fpret_double): New helper function.
14594         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
14595         support for complex modes.  Fill in DECL_RESULT for stubdecl.
14596         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
14597
14598         * config/mips/mips16.S
14599         (RET, ARG1, ARG2): New.
14600         (MERGE_GPRf, MERGE_GPRt): New.
14601         (DELAYt, DELAYf): New.
14602         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
14603         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
14604         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
14605         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
14606         (SFOP): Renamed to...
14607         (OPSF3): This, and macro-ified.  Updated all uses.
14608         (SFOP2): Renamed to...
14609         (OPSF2): This, and macro-ified.  Updated all uses.
14610         (SFCMP): Renamed to...
14611         (CMPSF): This, and macro-ified.  Updated all uses.
14612         (SFREVCMP): Renamed to...
14613         (REVCMPSF): This, and macro-ified.  Updated all uses.
14614         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
14615         (LDDBL1, LDDBL2, RETDBL): Deleted.
14616         (DFOP): Renamed to...
14617         (OPDF3): This, and macro-ified.  Updated all uses.
14618         (DFOP2): Renamed to...
14619         (OPDF2): This, and macro-ified.  Updated all uses.
14620         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
14621         (DFCMP): Renamed to...
14622         (CMPDF): This, and macro-ified.  Updated all uses.
14623         (DFREVCMP): Renamed to...
14624         (REVCMPDF): This, and macro-ified.  Updated all uses.
14625         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
14626         (RET_FUNCTION): New.
14627         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
14628         (__mips16_ret_sc, __mips16_ret_dc): New.
14629         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
14630         STUB_ARGS_6, STUB_ARGS_10): New.
14631         (CALL_STUB_NO_RET): New.
14632         (__mips16_call_stub_1): Macro-ified.
14633         (__mips16_call_stub_5): Macro-ified.
14634         (__mips16_call_stub_2): Macro-ified.
14635         (__mips16_call_stub_6): Macro-ified.
14636         (__mips16_call_stub_9): Macro-ified.
14637         (__mips16_call_stub_10): Macro-ified.
14638         (CALL_STUB_RET): New.
14639         (__mips16_call_stub_sf_0): Macro-ified.
14640         (__mips16_call_stub_sf_1): Macro-ified.
14641         (__mips16_call_stub_sf_5): Macro-ified.
14642         (__mips16_call_stub_sf_2): Macro-ified.
14643         (__mips16_call_stub_sf_6): Macro-ified.
14644         (__mips16_call_stub_sf_9): Macro-ified.
14645         (__mips16_call_stub_sf_10): Macro-ified.
14646         (__mips16_call_stub_df_0): Macro-ified.
14647         (__mips16_call_stub_df_1): Macro-ified.
14648         (__mips16_call_stub_df_5): Macro-ified.
14649         (__mips16_call_stub_df_2): Macro-ified.
14650         (__mips16_call_stub_df_6): Macro-ified.
14651         (__mips16_call_stub_df_9): Macro-ified.
14652         (__mips16_call_stub_df_10): Macro-ified.
14653         (__mips16_call_stub_sc_0): New.
14654         (__mips16_call_stub_sc_1): New.
14655         (__mips16_call_stub_sc_5): New.
14656         (__mips16_call_stub_sc_2): New.
14657         (__mips16_call_stub_sc_6): New.
14658         (__mips16_call_stub_sc_9): New.
14659         (__mips16_call_stub_sc_10): New.
14660         (__mips16_call_stub_dc_0): New.
14661         (__mips16_call_stub_dc_1): New.
14662         (__mips16_call_stub_dc_5): New.
14663         (__mips16_call_stub_dc_2): New.
14664         (__mips16_call_stub_dc_6): New.
14665         (__mips16_call_stub_dc_9): New.
14666         (__mips16_call_stub_dc_10): New.
14667
14668         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
14669         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
14670         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
14671
14672 2007-05-23  Ian Lance Taylor  <iant@google.com>
14673
14674         * doc/invoke.texi (Invoking GCC): Document that the order of the
14675         -l option matters.
14676
14677 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
14678
14679         PR target/30987
14680         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
14681         * config/score/predicate.md (const_pow2, const_npow2): Remove.
14682         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
14683         undef.
14684
14685         PR target/30474
14686         * config/score/score.c (score_print_operand): Make sure that only
14687         lower bits are used.
14688
14689 2007-05-22  Ian Lance Taylor  <iant@google.com>
14690
14691         * tree-vrp.c (avoid_overflow_infinity): New static function,
14692         broken out of set_value_range_to_value.
14693         (set_value_range_to_value): Call avoid_overflow_infinity.
14694         (extract_range_from_assert): Likewise.
14695
14696 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14697
14698         PR middle-end/31095
14699          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
14700         change the type before looking for a COMPOUND_EXPR.
14701
14702 2007-05-22  Ian Lance Taylor  <iant@google.com>
14703
14704         * lower-subreg.c (decompose_multiword_subregs): If we change an
14705         insn, call remove_retval_note on it.
14706
14707 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14708
14709         * regs.h (end_hard_regno): New function.
14710         (END_HARD_REGNO, END_REGNO): New macros.
14711         (add_to_hard_reg_set): New function.
14712         (remove_from_hard_reg_set): Likewise.
14713         (in_hard_reg_set_p): Likewise.
14714         (overlaps_hard_reg_set_p): Likewise.
14715         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
14716         (note_btr_set): Use END_HARD_REGNO.
14717         * caller-save.c (setup_save_areas): Use end_hard_regno.
14718         (mark_set_regs): Use END_HARD_REGNO.
14719         (add_stored_regs): Use end_hard_regno.
14720         (mark_referenced_regs): Use add_to_hard_reg_set.
14721         * combine.c (update_table_tick): Use END_REGNO.
14722         (record_value_for_reg): Likewise.
14723         (record_dead_and_set_regs): Likewise.
14724         (get_last_value_validate): Likewise.
14725         (use_crosses_set_p): Likewise.
14726         (reg_dead_at_p_1): Likewise.
14727         (reg_dead_at_p): Likewise.
14728         (mark_used_regs_combine): Use add_to_hard_reg_set.
14729         (move_deaths): Use END_HARD_REGNO.
14730         (reg_bitfield_target_p): Use end_hard_regno.
14731         (distribute_notes): Use END_HARD_REGNO.
14732         * cse.c (mention_regs): Use END_REGNO.
14733         (insert): Use add_to_hard_reg_set.
14734         (invalidate): Use END_HARD_REGNO.
14735         (invalidate_for_call): Likewise.
14736         (exp_equiv_p): Use END_REGNO.
14737         (cse_insn): Likewise.
14738         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
14739         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
14740         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
14741         * function.c (keep_stack_depressed): Use end_hard_regno.
14742         * global.c (global_alloc): Use end_hard_regno.
14743         (global_conflicts): Use add_to_hard_reg_set instead of
14744         mark_reg_live_nc.
14745         (find_reg): Likewise.
14746         (mark_reg_store): Likewise.
14747         (mark_reg_conflicts): Likewise.
14748         (mark_reg_death): Use remove_from_hard_reg_set.
14749         (mark_reg_live_nc): Delete.
14750         (set_preference): Use end_hard_regno.
14751         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
14752         remove_from_hard_reg_set.
14753         (post_mark_life): Use add_to_hard_reg_set.
14754         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
14755         (reg_becomes_live): Use add_to_hard_reg_set.
14756         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
14757         (peep2_find_free_register): Use add_to_hard_reg_set.
14758         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
14759         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
14760         * regrename.c (note_sets): Use add_to_hard_reg_set.
14761         (clear_dead_regs): Use remove_from_hard_reg_set.
14762         (regrename_optimize): Use add_to_hard_reg_set.
14763         (find_oldest_value_reg): Use in_hard_reg_set_p.
14764         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
14765         (hard_reg_set_here_p): Use end_hard_regno.
14766         (decompose): Likewise.
14767         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
14768         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
14769         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
14770         (mark_home_live): Use end_hard_regno.
14771         (spill_hard_reg): Likewise.
14772         (clear_reload_reg_in_use): Likewise.
14773         * reorg.c (delete_prior_computation): Use END_REGNO.
14774         * resource.c (update_live_status): Use END_HARD_REGNO.
14775         (mark_referenced_resources): Use add_to_hard_reg_set.
14776         (mark_set_resources): Likewise.
14777         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
14778         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
14779         (reg_overlap_mentioned_p): Likewise.
14780         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
14781         (covers_regno_no_parallel_p): Use END_REGNO.
14782         (find_regno_note): Likewise.
14783         (find_reg_fusage): Use END_HARD_REGNO.
14784         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
14785         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
14786
14787 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14788
14789         * mode-switching.c (reg_dies): Change type of second argument to
14790         "HARD_REG_SET *".
14791         (optimize_mode_switching): Update accordingly.
14792
14793 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
14794
14795         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
14796         in favor of...
14797         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
14798         (hard_reg_set_empty_p): ...these new functions.
14799         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
14800         GO_IF_HARD_REG_SUBSET.
14801         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
14802         instead of GO_IF_HARD_REG_EQUAL.
14803         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
14804         instead of GO_IF_HARD_REG_EQUAL.
14805         * global.c (find_reg): Use hard_reg_set_empty_p instead of
14806         GO_IF_HARD_REG_SUBSET.
14807         (modify_reg_pav): Use hard_reg_set_empty_p instead of
14808         GO_IF_HARD_REG_EQUAL.
14809         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
14810         of GO_IF_HARD_REG_SUBSET.
14811         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
14812         instead of GO_IF_HARD_REG_EQUAL.
14813         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
14814         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
14815         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
14816         of GO_IF_HARD_REG_SUBSET,
14817         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
14818         GO_IF_HARD_REG_SUBSET.
14819         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
14820         instead of GO_IF_HARD_REG_EQUAL.
14821         * config/sh/sh.c (push_regs, calc_live_regs): Use
14822         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
14823         (hard_regs_intersect_p): Delete.
14824
14825 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
14826
14827         * doc/sourcebuild.texi (Test Directives) Add dg-message.
14828
14829 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
14830             Richard Henderson  <rth@redhat.com>
14831
14832         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
14833         extra_headers.
14834         (x86_64-*-*): Likewise.
14835
14836         * i386/i386-modes.def (V2QI): New.
14837
14838         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
14839         SSE4A.
14840         (override_options): Support SSE4.1.
14841         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
14842         (IX86_BUILTIN_BLENDPS): Likewise.
14843         (IX86_BUILTIN_BLENDVPD): Likewise.
14844         (IX86_BUILTIN_BLENDVPS): Likewise.
14845         (IX86_BUILTIN_PBLENDVB128): Likewise.
14846         (IX86_BUILTIN_PBLENDW128): Likewise.
14847         (IX86_BUILTIN_DPPD): Likewise.
14848         (IX86_BUILTIN_DPPS): Likewise.
14849         (IX86_BUILTIN_INSERTPS128): Likewise.
14850         (IX86_BUILTIN_MOVNTDQA): Likewise.
14851         (IX86_BUILTIN_MPSADBW128): Likewise.
14852         (IX86_BUILTIN_PACKUSDW128): Likewise.
14853         (IX86_BUILTIN_PCMPEQQ): Likewise.
14854         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
14855         (IX86_BUILTIN_PMAXSB128): Likewise.
14856         (IX86_BUILTIN_PMAXSD128): Likewise.
14857         (IX86_BUILTIN_PMAXUD128): Likewise.
14858         (IX86_BUILTIN_PMAXUW128): Likewise.
14859         (IX86_BUILTIN_PMINSB128): Likewise.
14860         (IX86_BUILTIN_PMINSD128): Likewise.
14861         (IX86_BUILTIN_PMINUD128): Likewise.
14862         (IX86_BUILTIN_PMINUW128): Likewise.
14863         (IX86_BUILTIN_PMOVSXBW128): Likewise.
14864         (IX86_BUILTIN_PMOVSXBD128): Likewise.
14865         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
14866         (IX86_BUILTIN_PMOVSXWD128): Likewise.
14867         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
14868         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
14869         (IX86_BUILTIN_PMOVZXBW128): Likewise.
14870         (IX86_BUILTIN_PMOVZXBD128): Likewise.
14871         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
14872         (IX86_BUILTIN_PMOVZXWD128): Likewise.
14873         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
14874         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
14875         (IX86_BUILTIN_PMULDQ128): Likewise.
14876         (IX86_BUILTIN_PMULLD128): Likewise.
14877         (IX86_BUILTIN_ROUNDPD): Likewise.
14878         (IX86_BUILTIN_ROUNDPS): Likewise.
14879         (IX86_BUILTIN_ROUNDSD): Likewise.
14880         (IX86_BUILTIN_ROUNDSS): Likewise.
14881         (IX86_BUILTIN_PTESTZ): Likewise.
14882         (IX86_BUILTIN_PTESTC): Likewise.
14883         (IX86_BUILTIN_PTESTNZC): Likewise.
14884         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
14885         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
14886         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
14887         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
14888         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
14889         (bdesc_ptest): New.
14890         (bdesc_sse_3arg): Likewise.
14891         (bdesc_2arg): Likewise.
14892         (bdesc_1arg): Likewise.
14893         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
14894         with 3 args.
14895         (ix86_expand_sse_4_operands_builtin): New.
14896         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
14897         smaller than 8 bits as the 2nd arg.
14898         (ix86_expand_sse_ptest): New.
14899         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
14900         (ix86_expand_vector_set): Support SSE4.1.
14901         (ix86_expand_vector_extract): Likewise.
14902
14903         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
14904         __SSE4_1__ for -msse4.1.
14905
14906         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
14907         (UNSPEC_INSERTPS): Likewise.
14908         (UNSPEC_DP): Likewise.
14909         (UNSPEC_MOVNTDQA): Likewise.
14910         (UNSPEC_MPSADBW): Likewise.
14911         (UNSPEC_PHMINPOSUW): Likewise.
14912         (UNSPEC_PTEST): Likewise.
14913         (UNSPEC_ROUNDP): Likewise.
14914         (UNSPEC_ROUNDS): Likewise.
14915
14916         * config/i386/i386.opt (msse4.1): New for SSE4.1.
14917
14918         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
14919         (const_pow2_1_to_32768_operand): Likewise.
14920
14921         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
14922         file.
14923
14924         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
14925         SSE4.1.
14926         (sse4_1_insertps): Likewise.
14927         (*sse4_1_extractps): Likewise.
14928         (sse4_1_ptest): Likewise.
14929         (sse4_1_mulv2siv2di3): Likewise.
14930         (*sse4_1_mulv4si3): Likewise.
14931         (*sse4_1_smax<mode>3): Likewise.
14932         (*sse4_1_umax<mode>3): Likewise.
14933         (*sse4_1_smin<mode>3): Likewise.
14934         (*sse4_1_umin<mode>3): Likewise.
14935         (sse4_1_eqv2di3): Likewise.
14936         (*sse4_1_pinsrb): Likewise.
14937         (*sse4_1_pinsrd): Likewise.
14938         (*sse4_1_pinsrq): Likewise.
14939         (*sse4_1_pextrb): Likewise.
14940         (*sse4_1_pextrb_memory): Likewise.
14941         (*sse4_1_pextrw_memory): Likewise.
14942         (*sse4_1_pextrq): Likewise.
14943         (sse4_1_blendpd): Likewise.
14944         (sse4_1_blendps): Likewise.
14945         (sse4_1_blendvpd): Likewise.
14946         (sse4_1_blendvps): Likewise.
14947         (sse4_1_dppd): Likewise.
14948         (sse4_1_dpps): Likewise.
14949         (sse4_1_movntdqa): Likewise.
14950         (sse4_1_mpsadbw): Likewise.
14951         (sse4_1_packusdw): Likewise.
14952         (sse4_1_pblendvb): Likewise.
14953         (sse4_1_pblendw): Likewise.
14954         (sse4_1_phminposuw): Likewise.
14955         (sse4_1_extendv8qiv8hi2): Likewise.
14956         (*sse4_1_extendv8qiv8hi2): Likewise.
14957         (sse4_1_extendv4qiv4si2): Likewise.
14958         (*sse4_1_extendv4qiv4si2): Likewise.
14959         (sse4_1_extendv2qiv2di2): Likewise.
14960         (*sse4_1_extendv2qiv2di2): Likewise.
14961         (sse4_1_extendv4hiv4si2): Likewise.
14962         (*sse4_1_extendv4hiv4si2): Likewise.
14963         (sse4_1_extendv2hiv2di2): Likewise.
14964         (*sse4_1_extendv2hiv2di2): Likewise.
14965         (sse4_1_extendv2siv2di2): Likewise.
14966         (*sse4_1_extendv2siv2di2): Likewise.
14967         (sse4_1_zero_extendv8qiv8hi2): Likewise.
14968         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
14969         (sse4_1_zero_extendv4qiv4si2): Likewise.
14970         (*sse4_1_zero_extendv4qiv4si2): Likewise.
14971         (sse4_1_zero_extendv2qiv2di2): Likewise.
14972         (*sse4_1_zero_extendv2qiv2di2): Likewise.
14973         (sse4_1_zero_extendv4hiv4si2): Likewise.
14974         (*sse4_1_zero_extendv4hiv4si2): Likewise.
14975         (sse4_1_zero_extendv2hiv2di2): Likewise.
14976         (*sse4_1_zero_extendv2hiv2di2): Likewise.
14977         (sse4_1_zero_extendv2siv2di2): Likewise.
14978         (*sse4_1_zero_extendv2siv2di2): Likewise.
14979         (sse4_1_roundpd): Likewise.
14980         (sse4_1_roundps): Likewise.
14981         (sse4_1_roundsd): Likewise.
14982         (sse4_1_roundss): Likewise.
14983         (mulv4si3): Don't expand for SSE4.1.
14984         (smax<mode>3): Likewise.
14985         (umaxv4si3): Likewise.
14986         (uminv16qi3): Likewise.
14987         (umin<mode>3): Likewise.
14988         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
14989
14990         * doc/extend.texi: Document SSE4.1 built-in functions.
14991
14992         * doc/invoke.texi: Document -msse4.1.
14993
14994 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
14995
14996         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
14997         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
14998         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
14999         (ASM_SPEC): Add asm_pcrel_spec.
15000         (EXTRA_SPECS): Add asm_pcrel_spec.
15001
15002 2007-05-21  David Daney  <ddaney@avtrex.com>
15003
15004         * doc/install.texi (Building a cross compiler): Add requirements
15005         for Java cross compiler.
15006
15007 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15008
15009         PR middle-end/31995
15010         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
15011         Add loopno argument.  Use evolution_function_is_invariant_rec_p
15012         instead of evolution_function_is_constant_p.
15013         Update calls to evolution_function_is_affine_multivariate_p.
15014         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
15015         Add loopno argument.
15016         * tree-scalar-evolution.c (gather_chrec_stats): Call
15017         evolution_function_is_affine_multivariate_p with a loop
15018         number of 0.
15019         * tree-data-ref.c (analyze_miv_subscript): Likewise.
15020         (analyze_overlapping_iterations): Likewise.
15021         (access_functions_are_affine_or_constant_p): Likewise.
15022         (build_classic_dist_vector_1): If the access functions
15023         are equal, don't do anything.
15024
15025 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
15026             Paolo Carlini  <pcarlini@suse.de>
15027             Uros Bizjak  <ubizjak@gmail.com>
15028
15029         * c-cppbuiltin.c (c_cpp_builtins): Define
15030         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
15031         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
15032         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
15033         * doc/cpp.texi ([Standard Predefined Macros]): Document.
15034
15035 2007-05-21  Mike Stump  <mrs@apple.com>
15036
15037         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
15038         handling as well.
15039         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
15040
15041 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
15042
15043         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
15044         implementation if __OPTIMIZE__ is not defined.
15045         (_mm_alignr_pi8): Ditto.
15046         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15047         (_mm_inserti_si64): Ditto.
15048         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15049         (_mm_slli_epi16): Ditto.
15050         (_mm_slli_epi32): Ditto.
15051         (_mm_slli_epi64): Ditto.
15052         (_mm_srai_epi16): Ditto.
15053         (_mm_srai_epi32): Ditto.
15054         (_mm_srli_si128): Ditto.
15055         (_mm_slli_si128): Ditto.
15056         (_mm_srli_epi16): Ditto.
15057         (_mm_srli_epi32): Ditto.
15058         (_mm_srli_epi64): Ditto.
15059         (_mm_extract_epi16): Ditto.
15060         (_mm_insert_epi16): Ditto.
15061         (_mm_shufflehi_epi16): Ditto.
15062         (_mm_shufflelo_epi16): Ditto.
15063         (_mm_shuffle_epi32): Ditto.
15064         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
15065         (_m_pextrw): Ditto.
15066         (_mm_insert_pi16): Ditto.
15067         (_m_pinsrw): Ditto.
15068         (_mm_shuffle_pi16): Ditto.
15069         (_m_pshufw): Ditto.
15070         (_mm_shufle_ps): Ditto.
15071         (_mm_prefetch): Ditto.
15072
15073 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
15074
15075         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
15076         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
15077         * real.c (encode_i370_single, decode_i370_single,
15078         encode_i370_double, decode_i370_double): Functions removed.
15079         (i370_single_format, i370_double_format): Initializations removed.
15080         (real_maxval, round_for_format, exact_real_truncate, significand_size):
15081         Consider the log2_b field to always be one.
15082         (ieee_single_format, mips_single_format, coldfire_single_format,
15083         ieee_double_format, mips_double_format, coldfire_double_format,
15084         ieee_extended_motorola_format, ieee_extended_intel_96_format,
15085         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
15086         ibm_extended_format, mips_extended_format, ieee_quad_format,
15087         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
15088         decimal_single_format, decimal_double_format, decimal_quad_format,
15089         c4x_single_format, c4x_extended_format, real_internal_format): Remove
15090         initialization of log2_b.
15091         * real.h (i370_single_format, i370_double_format): Declarations
15092         removed.
15093         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
15094         field to always be one.
15095
15096 2007-05-21  Andreas Schwab  <schwab@suse.de>
15097
15098         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
15099         NOTE_INSN_BASIC_BLOCK_P.
15100         (process_for_unwind_directive): Likewise.
15101
15102 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
15103
15104         * builtins.c (expand_builtin_setjmp_setup): Update comment.
15105         * function.h (struct function): Move va_list_gpr_size,
15106         va_list_fpr_size, function_frequency to front of bitfields.  Add
15107         calls_unwind_init.
15108         (current_function_calls_unwind_init): New.
15109         * except.c (expand_builtin_unwind_init): Set
15110         current_function_calls_unwind_init not
15111         current_function_has_nonlocal_label.
15112         * reload1.c (has_nonexceptional_receiver): New.
15113         (reload): Use it and current_function_calls_unwind_init to
15114         determine whether call-saved regs must be saved.
15115
15116 2007-05-20  Jan Hubicka  <jh@suse.cz>
15117
15118         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
15119         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15120         * ddg.c (create_ddg): LIkewise.
15121         * final.c (final): Remove hunk moving line number notes around since
15122         they are no longer present at this stage.
15123         (final_scan_insn): Use NOTE_KIND instead of
15124         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15125         (output_asm_label): Likewise.
15126         * reorg.c (dbr_schedule): Likewise.
15127         * haifa-sched.c (unlink_other_notes): Likewise.
15128         * mode-switching.c (optimize_mode_switching): Likewise.
15129         * graph.c (start_bb): Likewise.
15130         * rtl.def (NOTE): Update description.
15131         * jump.c (squeeze_notes): Delete.
15132         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
15133         NOTE_INSN_BASIC_BLOCK_P when possible.
15134         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
15135         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
15136         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15137         (dwarf2out_var_location): Likewise.
15138         * cfgbuild.c (make_edges): Likewise.
15139         (find_basic_blocks_1): Likewise.
15140         * function.c (reorder_blocks_1): Likewise.
15141         (epilogue_done): Likewise.
15142         (reposition_prologue_and_epilogue_notes): Likewise.
15143         * print-rtl.c (print_rtx): Likewise; drop code for printing
15144         line number notes.
15145         (print_rtl): Likewise.
15146         (print_rtl_single): Likewise.
15147         * gcse.c (insert_insn_start_bb): Likewise.
15148         * alias.c (init_alias_analysis): Likewise.
15149         * calls.c (fixup_tail_calls): Likewise.
15150         * except.c (sjlj_emit_function_enter): Likewise.
15151         * emit-rtl.c (add_insn_after): Likeiwse.
15152         (emit_label_before): Likewise.
15153         (emit_label_after): Likewise.
15154         (emit_note_before, emit_note_after, emit_note): Update
15155         parameter to be enum insn_note; do not deal with source
15156         files.
15157         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
15158         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
15159         when possible.
15160         (merge_blocks_move_successor_nojumps): Simplify now when
15161         we don't have BLOCK notes.
15162         (try_optimize_cfg): Likewise.
15163         * cfglayout.c (skip_insns_after_block): Likewise.
15164         (record_effective_endpoints): Likewise.
15165         (duplicate_insn_chain): Likewise.
15166         * varasm.c (output_constant_pool_1): Likewise.
15167         * sched-deps.c (sched_analyze): Likewise.
15168         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
15169         Exterminate.
15170         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
15171         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
15172         (SET_INSN_DELETED): Simplify.
15173         (NOTE_LINE_NUMBER): Exterminate.
15174         (NOTE_LINE_KIND): New.
15175         (NOTE_INSN_BASIC_BLOCK_P): Update.
15176         (enum insn_note): Simplify.
15177         (GET_NOTE_INSN_NAME) Simplify.
15178         (emit_note_before, emit_note_after, emit_note): Update prototype.
15179         (squeeze_notes): Remove.
15180         * sched-int.h (NOTE_NOT_BB_P): Update.
15181         * resource.c (mark_target_live_regs): Update.
15182         * sched-rgn.c (debug_dependencies): Update.
15183         * sched-vis.c (print_insn): Update.
15184         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
15185         * config/i386/i386.c (ix86_output_function_epilogue): Update.
15186         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
15187         (TARGET_ADJUST_UNROLL_MAX): Likewise.
15188         (split_branches): Update.
15189         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
15190         4.0.0.
15191         (sh_adjust_unroll_max): Exterminate.
15192         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
15193         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
15194         (m68hc11_reorg): Likewise.
15195         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
15196         (emit_predicate_relation_info): Update.
15197         (process_for_unwind_directive): Update.
15198         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
15199         (output_call): Update.
15200         * config/pa/pa.c (output_lbranch): Update.
15201         (output_millicode_call): Update.
15202         (output_call): Update.
15203         (pa_combine_instructions): Update.
15204         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
15205         * config/bfin/bfin.c (gen_one_bundle): Update.
15206         * cfgrtl.c (can_delete_note_p): Update.
15207         (delete_insn): Update.
15208         (rtl_merge_blocks): Update.
15209         (commit_one_edge_insertion): Update.
15210         (rtl_verify_flow_info): Update.
15211         * stmt.c (expand_case): Do not call squeeze_notes.
15212
15213 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15214
15215         PR middle-end/7651
15216         PR c++/11856
15217         PR c/12963
15218         PR c/23587
15219         PR other/29694
15220         * c.opt (Wtype-limits): New.
15221         * doc/invoke.texi (Wtype-limits): Document it.
15222         (Wextra): Enabled by -Wextra.
15223         * c-opts.c (c_common_post_options): Enabled by -Wextra.
15224         * c-common.c (shorten_compare): Warn with Wtype-limits.
15225
15226 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15227
15228         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
15229         inlined function, not as a macro.
15230         (_mm_alignr_pi8): Ditto.
15231         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15232         (_mm_inserti_si64): Ditto.
15233         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15234         (_mm_extract_epi16): Ditto.
15235         (_mm_insert_epi16): Ditto.
15236         (_mm_shufflehi_epi16): Ditto.
15237         (_mm_shufflelo_epi16): Ditto.
15238         (_mm_shuffle_epi32): Ditto.
15239         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
15240         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
15241         all functions.
15242         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
15243         float constant.
15244         (_m_to_float): Use C89 compatible assignment.
15245
15246 2007-05-20  Martin Michlmayr  <tbm@cyrius.com>
15247
15248         PR target/32007
15249         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
15250
15251 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15252
15253         PR middle-end/7651
15254         * doc/invoke.texi (Wreturn-type): Complete description.
15255         (Wextra): Delete item about return-type warning.
15256         * c-decl.c: Delete redundant Wextra warning.
15257
15258 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15259
15260         PR target/31585
15261         * config/i386/pmmintrin.h: Do not include xmmintrin.h
15262         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
15263         inlined function, not as a macro.
15264         (_mm_prefetch): Ditto.
15265         (_m_pextrw): Ditto.
15266         (_mm_insert_pi16): Ditto.
15267         (_m_pinsrw): Ditto.
15268         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
15269         (_m_pshufw): Ditto. Add const to __N argument.
15270         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
15271         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
15272         (_mm_slli_epi32): Ditto.
15273         (_mm_srli_si128): Implement as always inlined function, not as a
15274         macro.  Add __inline to function declaration.
15275         (_mm_slli_si128): Ditto.
15276
15277 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
15278
15279         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
15280         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
15281         New constants.
15282         (struct fenv): New structure.
15283         (FP_HANDLE_EXCEPTIONS): New define.
15284         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
15285         (_FP_DECL_EXP): New define.
15286         (FP_INIT_ROUNDMODE): New define.
15287         (FP_ROUNDMODE): New define.
15288
15289 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15290
15291         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
15292         (Wconversion): Update description.
15293         (Wconversion-sign): New.
15294         * c.opt (Wconversion-sign): New.
15295         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
15296         means disabled for C++. Otherwise, take the status of Wconversion.
15297         * c-common.c (conversion_warning): Warn with either Wconversion or
15298         Wconversion-sign.
15299         (warnings_for_convert_and_check): Conditions are already checked by
15300         conversion_warning.
15301         (convert_and_check): Don't check warnings if the conversion failed.
15302
15303 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
15304            Anatoly Sokolov <aesok@dol.ru>
15305
15306         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
15307         avr_epilogue_uses) : Add declaration.
15308         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
15309         * config/avr/constraints.md (R): New constraint.
15310         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
15311         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
15312         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
15313         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
15314         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
15315         call_prologue_saves, epilogue_restores, return_from_epilogue,
15316         return_from_main_epilogue, return_from_interrupt_epilogue,
15317         return_from_naked_epilogue, prologue, epilogue): New patterns.
15318         (jump): Handle symbol reference.
15319         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
15320         avr_output_function_prologue, avr_output_function_epilogue): Remove
15321         functions.
15322         (avr_init_machine_status, expand_prologue, expand_epilogue,
15323         avr_asm_function_end_prologue, avr_epilogue_uses,
15324         avr_asm_function_begin_epilogue): New functions.
15325         (prologue_size, epilogue_size, jump_tables_size): Remove global
15326         variables.
15327         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
15328         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
15329         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
15330         (avr_override_options): Initialise init_machine_status.
15331         (output_movhi): Handle all stack pointer loads.
15332         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
15333         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
15334         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
15335         (EPILOGUE_USES) Redefine.
15336         (machine_function) Declare.
15337
15338 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
15339
15340         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
15341         Use a single return statement.
15342
15343 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15344
15345         PR middle-end/30250
15346         * builtins.c (do_mpfr_lgamma_r): New.
15347         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
15348         * tree.h (CASE_FLT_FN_REENT): New.
15349
15350 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
15351
15352         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
15353         (output_die): Use 'unsigned long' with %x.
15354         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
15355         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
15356         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
15357
15358         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
15359
15360 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
15361
15362         PR target/31989
15363         PR target/31681
15364         PR target/31666
15365         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
15366         true if function has no argument.
15367
15368 2007-05-18  DJ Delorie  <dj@redhat.com>
15369
15370         * config/mips/mips.c (mips_offset_within_alignment_p): New.
15371         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
15372
15373 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15374
15375         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
15376         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
15377         count_trailing_zeros.
15378         (__i386__): Implement count_leading_zeros using __builtin_clz().
15379         Implement count_trailing_zeros usign __builtin_ctz().
15380
15381 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
15382
15383         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
15384
15385 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15386
15387         PR middle-end/31344
15388         * expr.c (emit_move_change_mode): Change mode of push operands here.
15389
15390 2007-05-17  Ian Lance Taylor  <iant@google.com>
15391
15392         PR tree-optimization/31953
15393         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
15394         Change all callers.
15395         (set_value_range_to_null): Call set_value_range_to_value.
15396         (extract_range_from_comparison): Likewise.
15397
15398 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15399
15400         * toplev.c (print_version): Output GMP/MPFR version info.
15401
15402         * builtins.c (CASE_MATHFN_REENT): New macro.
15403         (mathfn_built_in): Use it.
15404         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
15405         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
15406         BUILT_IN_LGAMMAL_R): New.
15407         * doc/extend.texi: Document new builtins.
15408
15409         PR middle-end/31796
15410         * builtins.c (do_mpfr_remquo): New.
15411         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
15412         (fold_builtin_3): Handle BUILT_IN_REMQUO.
15413
15414         PR middle-end/30251
15415         * builtins.c (fold_builtin_1): Handle y0, y1.
15416         (fold_builtin_2): Handle yn.
15417
15418         PR middle-end/30251
15419         * builtins.c (do_mpfr_bessel_n): New.
15420         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
15421         (fold_builtin_2): Handle BUILT_IN_JN.
15422
15423 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
15424
15425         PR target/31965
15426         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
15427         TYPE_PRECISION (intmax_type_node).
15428
15429 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
15430
15431         PR target/31850
15432         * reload.c (subst_reloads): Remove checking.
15433
15434 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
15435
15436         PR rtl-optimization/31691
15437         * combine.c (simplify_set): Build a new src pattern instead of
15438         substituting its operands in the COMPARE case.
15439
15440 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
15441
15442         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
15443         (execute_vrp): Preserve loops through jump threading.
15444         * tree-ssa-threadupdate.c (thread_single_edge,
15445         dbds_continue_enumeration_p, determine_bb_domination_status,
15446         thread_through_loop_header): New functions.
15447         (create_edge_and_update_destination_phis,
15448         create_edge_and_update_destination_phis): Set loops for the new blocks.
15449         (prune_undesirable_thread_requests): Removed.
15450         (redirect_edges): Do not pretend that redirect_edge_and_branch can
15451         create new blocks.
15452         (thread_block): Do not call prune_undesirable_thread_requests.
15453         Update loops.
15454         (mark_threaded_blocks): Select edges to thread here.
15455         (thread_through_all_blocks): Take may_peel_loop_headers argument.
15456         Thread edges through loop headers independently.
15457         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
15458         * tree-pass.h (TODO_mark_first_instance): New.
15459         (first_pass_instance): Declare.
15460         * cfghooks.c (duplicate_block): Put the block to the original loop
15461         if copy is not specified.
15462         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
15463         jump threading.  Pass may_peel_loop_headers to
15464         thread_through_all_blocks according to first_pass_instance.
15465         * cfgloop.h (create_preheader): Declare.
15466         * tree-flow.h (thread_through_all_blocks): Declaration changed.
15467         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
15468         * passes.c (first_pass_instance): New variable.
15469         (next_pass_1): Set TODO_mark_first_instance.
15470         (execute_todo): Set first_pass_instance.
15471
15472 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
15473
15474         PR tree-optimization/24659
15475         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
15476         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
15477         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
15478         OTI_vec_pack_ufix_trunc.
15479         (vec_unpacks_float_hi_optab): Define new macro.
15480         (vec_unpacks_float_lo_optab): Ditto.
15481         (vec_unpacku_float_hi_optab): Ditto.
15482         (vec_unpacku_float_lo_optab): Ditto.
15483         (vec_pack_sfix_trunc_optab): Ditto.
15484         (vec_pack_ufix_trunc_optab): Ditto.
15485         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
15486         and vec_pack_[s|u]fix_trunc_optab using
15487         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
15488         * tree-vectorizer.c (supportable_widening_operation): Handle
15489         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
15490         (supportable_narrowing_operation): New function.
15491         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
15492         * tree-vect-transform.c (vectorizable_conversion): Handle
15493         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
15494         (vect_gen_widened_results_half): Move before vectorizable_conversion.
15495         (vectorizable_type_demotion): Call supportable_narrowing_operation()
15496         to check for target support.
15497         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
15498         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
15499         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
15500         for VEC_PACK_FIX_TRUNC_EXPR.
15501         (expand_binop): Special case mode of the result for
15502         vec_pack_[u|s]fix_trunc_optab.
15503         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
15504         vec_pack_[u|s]fix_trunc_optab.
15505
15506         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
15507         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
15508         * tree-pretty-print.c (dump_generic_node): Handle
15509         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
15510         VEC_PACK_FIX_TRUNC_EXPR.
15511         (op_prio): Ditto.
15512         * expr.c (expand_expr_real_1): Ditto.
15513         * tree-inline.c (estimate_num_insns_1): Ditto.
15514         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
15515
15516         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
15517         (vec_unpacks_float_lo_v8hi): Ditto.
15518         (vec_unpacku_float_hi_v8hi): Ditto.
15519         (vec_unpacku_float_lo_v8hi): Ditto.
15520         (vec_unpacks_float_hi_v4si): Ditto.
15521         (vec_unpacks_float_lo_v4si): Ditto.
15522         (vec_pack_sfix_trunc_v2df): Ditto.
15523
15524         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
15525         Document.
15526         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
15527         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
15528         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
15529         [vec_pack_ufix_trunc]: Ditto.
15530         [vec_unpacks_float_hi]: Ditto.
15531         [vec_unpacks_float_lo]: Ditto.
15532         [vec_unpacku_float_hi]: Ditto.
15533         [vec_unpacku_float_lo]: Ditto.
15534
15535 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
15536
15537         * soft-fp/README: Update for new files.
15538         * soft-fp/floattisf.c: New file.
15539         * soft-fp/floattidf.c: New file.
15540         * soft-fp/floattitf.c: New file.
15541         * soft-fp/floatuntisf.c: New file.
15542         * soft-fp/floatuntidf.c: New file.
15543         * soft-fp/floatuntitf.c: New file.
15544         * soft-fp/fixsfti.c: New file.
15545         * soft-fp/fixdfti.c: New file.
15546         * soft-fp/fixtfti.c: New file.
15547         * soft-fp/fixunssfti.c: New file.
15548         * soft-fp/fixunsdfti.c: New file.
15549         * soft-fp/fixunstfti.c: New file.
15550         * soft-fp/extendxftf.c: New file.
15551         * soft-fp/trunctfxf.c: New file.
15552
15553         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
15554         (__trunctfxf2): Ditto.
15555
15556         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
15557         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
15558         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
15559         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
15560         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
15561         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
15562
15563         * config/i386/t-fprules-softfp64: New file.
15564         * config/i386/sfp-machine.h: New file.
15565         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
15566         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
15567         and soft-fp/t-softfp to tmake_file.
15568         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
15569         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
15570
15571         * config/i386/t-linux64 (softfp_wrap_start): New.
15572         (softfp_wrap_end): New.
15573         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
15574         supported for TARGET_64BIT.
15575
15576 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
15577
15578         * c-common.c (c_common_signed_or_unsigned_type): Emulate
15579         c_common_unsigned_type behavior.
15580
15581 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
15582
15583         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
15584         calls as pure.
15585
15586 2007-05-16  Eric Christopher  <echristo@apple.com>
15587
15588         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
15589         saving after stack push. Set sp_offset whenever we push.
15590         (rs6000_emit_epilogue): Move altivec register restore before
15591         stack push.
15592
15593 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15594
15595         * configure.ac: Allow sysroots to be relocated under $prefix as
15596         well as $exec_prefix.
15597         * configure: Regenerate.
15598
15599 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15600
15601         Revert:
15602
15603         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15604
15605         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15606         (gcc_tooldir): Likewise.
15607         * configure: Regenerate.
15608         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15609         old configure.ac gcc_tooldir setting.
15610         (prefix_to_exec_prefix): New variable.
15611         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15612         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15613
15614 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
15615
15616         * c-typeck.c (build_binary_op): Return early for error.
15617
15618 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
15619
15620         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
15621         struct nb_iter_bound.
15622         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
15623         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
15624         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
15625         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
15626         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
15627         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
15628         (del_scev_info): Use ggc_free.
15629         (scev_initialize): Allocate scalar_evolution_info in gc memory.
15630         * loop-init.c: Include ggc.h.
15631         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
15632         (loop_optimizer_finalize): Use ggc_free.
15633         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
15634         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
15635         pass_iv_optimize): Add TODO_ggc_collect.
15636         * function.h (struct function): Remove skip marker from
15637         x_current_loops.
15638         * cfgloop.c: Include ggc.h.
15639         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
15640         memory.
15641         (establish_preds): Vector superloops is gc allocated.
15642         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
15643         loop->exits list.
15644         (flow_loops_find): Vector larray is gc allocated.
15645         (loop_exit_free): Use ggc_free.
15646         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
15647         that head of exits list is now not a part of struct loop.
15648         (record_loop_exits): Allocate exits table in gc memory.
15649         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
15650         that head of exits list is now not a part of struct loop.
15651         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
15652         struct loop_exit): Add GTY marker.
15653         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
15654         Add skip marker to aux field.  Make head of exits list a separate
15655         object.
15656         (struct loops): Add GTY marker.  Make larray vector gc allocated.
15657         Add param marker to exits table.
15658         (get_loops): Type changed.
15659         * Makefile.in (tree-scalar-evolution.o): Add
15660         gt-tree-scalar-evolution.h dependency.
15661         (cfgloop.o, loop-init.o): Add ggc.h dependency.
15662         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
15663         * basic-block.h (struct basic_block_def): Remove skip marker from
15664         loop_father field.
15665
15666 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
15667
15668         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
15669         of 0 in the call to expand_expr().
15670         (expand_builtin_mathfn_3): Ditto.
15671         (expand_builtin_interclass_mathfn): Ditto.
15672         (expand_builtin_cexpi): Ditto.
15673         (expand_builtin_int_roundingfn): Ditto.
15674         (expand_builtin_int_roundingfn_2): Ditto.
15675         (expand_builtin_pow): Ditto.
15676         (expand_builtin_powi): Ditto.
15677         (expand_builtin_bswap): Ditto.
15678         (expand_builtin_unop): Ditto.
15679         (expand_builtin_fabs): Ditto.
15680         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
15681         the call to expand_expr().
15682         (expand_builtin_sync_operation): Ditto.
15683         (expand_builtin_compare_and_swap): Ditto.
15684         (expand_builtin_lock_test_and_set): Ditto.
15685         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
15686         instead of 0 in the call to expand_expr().
15687         (expand_builtin_extract_return_addr): Ditto.
15688         (expand_builtin_eh_return): Ditto.
15689         (expand_eh_return): Ditto.
15690         * explow.c (expr_size): Ditto.
15691         * expr.c (optimize_bitfield_assignment_op): Ditto.
15692         (expand_assignement): Ditto.
15693         (store_expr): Ditto.
15694         (store_field): Ditto.
15695         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
15696         the call to expand_expr().
15697         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
15698         in the call to expand_expr().
15699         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
15700         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
15701         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
15702         of expand_expr().
15703         * optabs.c (expand_vec_shift_expr): Ditto.
15704         (expand_vec_cond_expr): Ditto.
15705         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
15706         call to expand_expr().
15707         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
15708         in the call to expand_expr().
15709
15710 2007-05-14  Dave Korn  <dave.korn@artimi.com>
15711
15712         * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
15713
15714 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
15715
15716         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
15717         instead of c_common_unsigned_type.
15718         (c_common_unsigned_type): Remove.
15719         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
15720         c_common_unsigned_type.
15721         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
15722         c_common_unsigned_type.
15723         * c-common.h (c_common_unsigned_type): Remove.
15724         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
15725         c_common_unsigned_type.
15726         * c-format.c (check_format_types): Use unsigned_type_for instead of
15727         c_common_unsigned_type.
15728         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15729         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
15730         of c_common_unsigned_type.
15731         * convert.c (convert_to_integer): Use unsigned_type_for instead of
15732         lang_hooks.types.unsigned_type.
15733         * expmed.c (make_tree): Use unsigned_type_for instead of
15734         lang_hooks.types.unsigned_type.
15735         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
15736         lang_hooks.types.unsigned_type.
15737         (build_range_check): Likewise.
15738         (fold_unary): Likewise.
15739         (fold_binary): Likewise.
15740         (fold_ternary): Likewise.
15741         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15742         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
15743         * tree.c (get_unsigned_type): New.
15744         (unsigned_type_for): Use get_unsigned_type instead of
15745         lang_hooks.types.unsigned_type.
15746
15747 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
15748
15749         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
15750         to m68k_get_function_kind.  Update its prototype.
15751         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
15752         interrupt_thread.
15753         (m68k_interrupt_function_p): Return enum m68k_function_type
15754         instead of bool.  Rename to m68k_get_function_kind.
15755         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
15756         target is not fido.
15757         (m68k_compute_frame_layout): Don't mark any register for save
15758         if an interrupt_thread attribute is specified.
15759         (m68k_hard_regno_rename_ok): Update a use of
15760         m68k_interrupt_function_p.
15761         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
15762         m68k_interrupt_function_p.
15763         (m68k_function_type): New.
15764         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
15765         for a function with an interrupt_thread attribute.
15766         * doc/extend.texi: Document the interrupt_thread attribute.
15767
15768 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
15769
15770         Fix PR tree-optimization/31911
15771         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
15772         if they didn't change the expression.
15773
15774 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
15775
15776         * tree-scalar-evolution.c (resolve_mixers): Exported.
15777         * tree-scalar-evolution.h (resolve_mixers): Declare.
15778         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
15779         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
15780         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
15781         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
15782         init_array_ref, init_pointer_ref, analyze_indirect_ref,
15783         strip_conversion, analyze_offset_expr, address_analysis,
15784         object_analysis, analyze_offset): Removed.
15785         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
15786         split_constant_offset, canonicalize_base_object_address,
15787         object_address_invariant_in_loop_p, disjoint_objects_p,
15788         dr_may_alias_p, dr_address_invariant_p): New functions.
15789         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
15790         and dr_analyze_alias.
15791         (initialize_data_dependence_relation): Use dr_may_alias_p
15792         and object_address_invariant_in_loop_p.
15793         (compute_self_dependence): Handle the case when
15794         DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
15795         (find_data_references_in_stmt): Restrict the analysis of data
15796         references to the given loop nest.
15797         (find_data_references_in_loop): Made static.  Pass loop nest to
15798         find_data_references_in_stmt.
15799         (compute_data_dependences_for_loop): Use DR_VOPS.
15800         (free_data_ref): Free DR_VOPS.
15801         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
15802         (struct innermost_loop_behavior): ... new.
15803         (struct base_object_info): Replaced by ...
15804         (struct indices): ... new.
15805         (struct dr_alias): New.
15806         (enum data_ref_type): Removed.
15807         (struct data_reference): Consist of struct innermost_loop_behavior,
15808         struct indices and struct dr_alias.
15809         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
15810         (DR_MEMTAG): Renamed to ...
15811         (DR_SYMBOL_TAG): ... this.
15812         (find_data_references_in_loop): Declaration removed.
15813         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
15814         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
15815         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
15816         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
15817
15818 2007-05-13  Revital Eres  <eres@il.ibm.com>
15819
15820         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
15821         which walks virtual def-use chains to find redundant stores.
15822         (dse_optimize_stmt): Call it.
15823
15824 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15825
15826         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
15827         * passes.c (init_optimization_passes): Move pass_jump_bypass
15828         after loop2.
15829
15830         * basic-block.h (bb_has_eh_pred): Fix style issue.
15831
15832 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15833
15834         PR rtl-optimization/31848
15835         * loop-invariant.c (move_invariant_reg): If we move an insn
15836         with a REG_EQUAL note, and that insn is not always executed,
15837         remove the REG_EQUAL note.
15838
15839 2007-05-12  Richard Guenther  <rguenther@suse.de>
15840
15841         PR tree-optimization/31797
15842         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
15843         propagate into a stmt that has volatile ops.
15844
15845 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15846
15847         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15848         (gcc_tooldir): Likewise.
15849         * configure: Regenerate.
15850         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15851         old configure.ac gcc_tooldir setting.
15852         (prefix_to_exec_prefix): New variable.
15853         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15854         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15855
15856 2007-05-11  Silvius Rus  <rus@google.com>
15857
15858         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
15859         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
15860         * c-common.h (strict_aliasing_warning): Change return type.
15861         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
15862         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
15863         (build_c_cast): Condition call to strict_aliasing_warning.
15864         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
15865         * flags.h (set_Wstrict_aliasing): Declare.
15866         * opts.c (set_Wstrict_alising): Define, add call to.
15867         * tree-flow.h (strict_aliasing_warning_backend): Declare.
15868         * tree-ssa-alias-warnings.c: New file.
15869         * tree-ssa-alias.c (compute_may_aliases): Add call to
15870         strict_aliasing_warning_backend.
15871
15872 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
15873
15874         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
15875         Use loop_depth and loop_outer accessor functions.
15876         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
15877         determine_invariantness_stmt, move_computations_stmt): Ditto.
15878         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
15879         add_loop, loopify, unloop, fix_loop_structure): Ditto.
15880         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
15881         * tree-scalar-evolution.c (interpret_loop_phi,
15882         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
15883         instantiate_parameters_1, scev_const_prop): Ditto.
15884         * cfghooks.c (make_forwarder_block): Ditto.
15885         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
15886         * modulo-sched.c (loop_canon_p): Ditto.
15887         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
15888         slpeel_can_duplicate_loop_p): Ditto.
15889         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
15890         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
15891         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
15892         cancel_loop, verify_loop_structure): Ditto.
15893         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
15894         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
15895         superloops vector instead of "pred" array.
15896         (establish_preds): Take father loop as an argument.  Initialize the
15897         superloops vector.
15898         (flow_loop_tree_node_add): Pass father loop to establish_preds.
15899         Do not initialize loop->outer.
15900         (flow_loop_tree_node_remove): Truncate the superloops vector.
15901         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
15902         "pred" merged to "superloops" vector.
15903         (loop_depth, loop_outer): New.
15904         (fel_init): Use loop_outer.
15905
15906 2007-05-11  Jan Hubicka  <jh@suse.cz>
15907
15908         * cgraphunit.c: Include gt-cgraphunit.h
15909         (static_ctors, static_dtors): New static vars.
15910         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
15911         based on implementation in c-common.c
15912         (cgraph_finalize_function): Call record_cdtor_fn.
15913         (cgraph_optimize): Call cgraph_build_cdtor_fns.
15914         * decl.c (finish_function): Do not call c_record_cdtor_fn.
15915         (c_write_global_declarations): Do not call c_build_cdtor_fns.
15916         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
15917         build_cdtor, c_build_cdtor_fns): Remove.
15918         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
15919         c_build_cdtor_fns): Remove prototype.
15920
15921 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
15922
15923         PR other/31852
15924         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
15925         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
15926         * builtins.c (fold_builtin_memchr): New.
15927         (expand_builtin_memchr): Call the latter.
15928         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
15929         * doc/extend.texi ([Other built-in functions provided by GCC]):
15930         Document memchr.
15931
15932 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15933
15934         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
15935         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
15936         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
15937         PFPO_OP1_TYPE_SHIFT): Constants added.
15938         (DFP_ALL): Mode macro defined.
15939         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
15940         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
15941         Insn definitions added.
15942         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
15943         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
15944         Expanders added.
15945
15946 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
15947
15948         PR tree-optimization/31885
15949         * tree-chrec.c (chrec_contains_undetermined): Do not consider
15950         NULL_TREE to be undetermined.
15951         (automatically_generated_chrec_p): Return false for NULL.
15952
15953 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15954
15955         * config/bfin/bfin.h (MOVE_RATIO): Define.
15956
15957 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
15958
15959         * config.gcc (sparc-wrs-vxworks): New target.
15960         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
15961         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
15962         * config/sparc/sparc.h: Include vxworks-dummy.h.
15963         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
15964         include LABEL_REFs too.
15965         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
15966         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
15967         VxWorks.
15968         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
15969         on VxWorks.
15970         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
15971         (sparc_emit_call_insn): New function.
15972         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
15973         functions when generating VxWorks PIC.
15974         * config/sparc/sparc.md (vxworks_load_got): New pattern.
15975         (call, call_value): Use sparc_emit_call_insn instead of
15976         emit_call_insn.
15977
15978 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
15979
15980         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
15981
15982 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
15983
15984         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
15985         for floating-point values if HOST_BITS_PER_LONG > 32.  Use
15986         split_double instead of operand_subword.
15987
15988 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15989
15990         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
15991         * config/bfin/bfin.c (bfin_local_alignment): New function.
15992         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
15993
15994 2007-05-08  Chao-ying Fu  <fu@mips.com>
15995
15996         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
15997         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
15998         (smsub_widen_optab, umsub_widen_optab): Define.
15999         * optabs.c (init_optabs): Initialize smsub_widen_optab and
16000         umsub_widen_optab.
16001         * genopinit.c (optabs): Fill in smsub_widen_optab and
16002         umsub_widen_optab.
16003         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
16004         and umsub_widen_optab to implement multiply-subtract sequences.
16005         * config/mips/mips.md (*msac<u>_di): Rename to...
16006         (<u>msubsidi4): ...this.  Extend condition to include
16007         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
16008         of operand 0 to "ka" and use the three-operand form of msub<u>
16009         for TARGET_DSPR2.
16010         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
16011         to define_expands.
16012
16013 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
16014
16015         PR rtl-optimization/28011
16016         * reload.c (push_reload): Set dont_share if IN appears in OUT
16017         also when IN is a PLUS rtx.
16018         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
16019         are same PLUS rtx.
16020
16021 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
16022
16023         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
16024         call unshare_all_decls.
16025         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
16026         (unshare_all_decls): Remove.
16027
16028 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
16029
16030         PR 31847
16031         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
16032         dumps.
16033
16034 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
16035             Nigel Stephens  <nigel@mips.com>
16036
16037         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
16038         Update comments and all uses.
16039         (MIN_FPRS_PER_FMT): Define.
16040         * config/mips/mips.c (function_arg): Fix to correctly handle
16041         the -mips32r2 -mfp64 -mabi=32 case.
16042         (override_options): Enable use of odd-numbered registers for
16043         SFmode values on MIPS32.
16044         (mips_save_reg_p): Save whole floating-point register pair if
16045         either half is used.
16046         (compute_frame_size): Fix comment.
16047
16048 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
16049
16050         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
16051         argument of type bool.
16052         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
16053         argument. Safely select temporary P register according to it.
16054         (do_link): Change call site of add_to_reg accordingly.
16055         (do_unlink): Add epilogue_p as a fourth argument and pass it
16056         to add_to_reg.
16057         (expand_interrupt_handler_epilogue): Change call of do_unlink
16058         accordingly.
16059         (bfin_expand_prologue): Add a third argument sibcall_p.
16060         * config/bfin/bfin.md (epilogue): Change call of
16061         bfin_expand_epilogue accordingly.
16062         (sibcall_epilogue): Likewise.
16063         (eh_return_internal): Likewise.
16064
16065         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
16066         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
16067         * config/bfin/bfin.c (bfin_handle_option): Handle
16068         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
16069         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
16070         Support bf534, bf536 and bf561.
16071         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
16072
16073 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
16074
16075         PR target/31854
16076         * config/i386/i386.c (ix86_function_regparm): Process local
16077         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
16078
16079 2007-05-07  Mike Stump  <mrs@apple.com>
16080
16081         * doc/invoke.texi (Warning Options): Document that -Wempty-body
16082         also checks for and while statements in C++.
16083
16084 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
16085
16086         * gcc.c (at_file_supplied): New variable.
16087         (main): Set it if we expanded argv.
16088         (do_spec_1): Pass an @-file to the linker if we were called with
16089         an @-file argument and HAVE_GNU_LD.
16090         * collect2.c (at_file_supplied): New variable.
16091         (response_file): New variable.
16092         (collect_exit): Unlink response_file if necessary.
16093         (handler): Likewise.
16094         (do_wait): Likewise.
16095         (main): Set at_file_supplied if we expanded argv.
16096         (collect_execute): Pass an @-file to subprocesses if we were called
16097         with an @-file argument.
16098         * configure.ac: Add define for HAVE_GNU_LD.
16099         * configure: Regenerate.
16100         * config.in: Regenerate.
16101
16102 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
16103
16104         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
16105         operand to HI mode.
16106         (mulsi3): New.
16107         (divsi3): New.
16108         (udivsi3): New.
16109
16110 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
16111
16112         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
16113         (TARGET_ENCODE_SECTION_INFO): Re-define.
16114         (m32c_encode_section_info): New
16115         (function_vector_handler): New
16116         (current_function_special_page_vector): New
16117         (m32c_special_page_vector_p): New.
16118         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
16119         Prototype.
16120         * config/m32c/jump.md: Added instruction JSRS for functions
16121         with attribute "function_vector".
16122         * doc/extend.texi (function_vector): Added description
16123         for M16C, M32C targets.
16124
16125 2007-05-07  DJ Delorie  <dj@redhat.com>
16126
16127         PR 31794
16128         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
16129         ashrpsi3, lshrpsi3): Update shift count constraint.
16130
16131 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
16132             Nathan Froyd  <froydnj@codesourcery.com>
16133
16134         PR 22133
16135         * c-incpath.c (add_path): Strip trailing path separators.
16136
16137 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
16138
16139         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
16140         Free dominance info before purging EH edges.
16141         (eliminate_degenerate_phis): Likewise.
16142         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
16143
16144 2007-05-07  Jan Hubicka  <jh@suse.cz>
16145
16146         * gimplify.c (gimplify_expr): Do not crash when folding
16147         (void *)(int)&a + 4.
16148
16149 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
16150
16151         PR driver/31694
16152         * c-opts.c (lang_fortran): Make it non static.
16153         * c-common.h (lang_fortran): New prototype.
16154         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
16155         -lang-fortran option was passed by the driver.
16156
16157 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
16158
16159         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
16160         of ASSERT_CHECKING.  Tweak message.
16161
16162 2007-05-06  Revital Eres  <eres@il.ibm.com>
16163
16164         PR 30957
16165         * loop-unroll.c (insert_var_expansion_initialization):
16166         Initialize the expansions with -zero instead of +zero.
16167
16168 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
16169
16170         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
16171         into pic and non-pic versions. Mark r19 as used for
16172         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
16173         for tgd_load, tld_load and tie_load .
16174         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
16175         version of tgd_load, tld_load and tie_load depending on the
16176         value of flag_pic.
16177
16178 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
16179             Jakub Jelinek  <jakub@redhat.com>
16180
16181         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
16182         (__do_global_dtors_aux): Use more paranoid loop to run
16183         destructors if HIDDEN_DTOR_LIST_END.
16184         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
16185
16186 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
16187
16188         * varasm.c (align_variable): Don't increase alignment for
16189         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
16190         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
16191
16192 2007-05-04  Josh Conner  <jconner@apple.com>
16193
16194         * basic-block.h (cdi_direction): Assign values to all enumeration
16195         constants.
16196         (dom_computed): Remove.
16197         (dom_info_state): New.
16198         (set_dom_info_availability): New.
16199         * tree-ssa-loop-im.c (determine_invariantness): Initialize
16200         walk_data.dom_direction.
16201         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
16202         instead of dom_computed[].
16203         (split_edge): Likewise.
16204         (create_basic_block): Likewise.
16205         (merge_blocks): Likewise.
16206         * ifcvt.c (find_if_header): Likewise.
16207         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
16208         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16209         * tree-ssa.c (verify_ssa): Likewise.
16210         * tree-cfg.c (tree_verify_flow_info): Likewise.
16211         (remove_edge_and_dominated_blocks): Likewise.
16212         * dominance.c (dom_computed): Make static.
16213         (calc_dfs_tree_nonrec): Change third param to a bool.
16214         (calc_dfs_tree): Change second param to a bool.
16215         (calc_idioms): Change second param to a bool.  Use
16216         dom_convert_dir_to_idx.
16217         (init_dom_info): Validate dir before using.
16218         (dom_convert_dir_to_idx): New.
16219         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
16220         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
16221         (free_dominance_info): Use dom_convert_dir_to_idx.
16222         (get_immediate_dominator): Likewise.
16223         (set_immediate_dominator): Likewise.
16224         (get_dominated_by): Likewise.
16225         (redirect_immediate_dominators): Likewise.
16226         (nearest_common_denominator): Likewise.
16227         (dominated_by_p): Likewise.
16228         (bb_dom_dfs_in): Likewise.
16229         (bb_dom_dfs_out): Likewise.
16230         (recount_dominator): Likewise.
16231         (iterate_fix_dominators): Likewise.
16232         (add_to_dominance_info): Likewise.
16233         (delete_from_dominance_info): Likewise.
16234         (first_dom_son): Likewise.
16235         (next_dom_son): Likewise.
16236         (dom_info_available_p): Likewise.
16237         (dom_info_state): New.
16238         (set_dom_info_availability): New.
16239
16240 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16241
16242         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
16243         Expander removed.
16244         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
16245
16246 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
16247
16248         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
16249         (subdi3, subdi_carry): Delete.
16250
16251 2007-05-04  Jan Hubicka  <jh@suse.cz>
16252             Richard Guenther  <rguenther@suse.de>
16253
16254         * opts.c (decode_options): Do not fiddle with inlining
16255         parameters in case of optimizing for size.
16256         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
16257         for size do nothing.
16258         (cgraph_decide_inlining_of_small_function): When optimizing for
16259         size never inline functions increasing caller size.
16260         (cgraph_early_inlining): Inline for size when optimizing for size.
16261
16262 2007-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
16263
16264         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
16265         logical operations piecewise.
16266         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
16267         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
16268         subdi_sesidi_di): Delete.
16269         (add_with_carry): Produce carry in CC instead of a DREG to shorten
16270         the generated sequence.  Allow three-reg add in constraints.  Rewrite
16271         the rtl expression for carry to avoid zero_extend of a constant.
16272         (sub_with_carry): New pattern.
16273         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
16274         different sequence not involving jumps.
16275         (notbi): Now a named pattern.
16276
16277 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
16278
16279         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
16280         Add the note about a significant loss of accuracy of some
16281         mathematical routines when these options are used.
16282
16283 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16284
16285         * haifa-sched.c (rtx_vec_t): New typedef.
16286         (contributes_to_priority_p): Extract piece of priority () into new
16287         static function.
16288         (priority): Use the function.  Add assertion.
16289         (rank_for_schedule, set_priorities): Add assertion to check that
16290         insn's priority is initialized.
16291         (clear_priorities, calc_priorities): Change signature.  Make it update
16292         all relevant insns.  Update all callers ('add_to_speculative_block ()'
16293         and 'create_block_check_twin ()').
16294         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
16295         Add new field 'priority_status'.
16296         (INSN_PRIORITY_STATUS): New macro.
16297         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
16298
16299 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16300
16301         * sched-ebb.c (debug_ebb_dependencies): New static function.
16302         (init_ready_list): Use it.
16303
16304         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
16305         with changed signature and 'debug_rgn_dependencies ()'.
16306         (debug_rgn_dependencies): New static function.
16307         (init_ready_list): Use it.
16308
16309         * sched-int.h (debug_dependencies): Declare.
16310
16311 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16312
16313         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
16314
16315 2007-05-04  Dirk Mueller  <dmueller@suse.de>
16316
16317         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
16318
16319 2007-05-03  Jan Hubicka  <jh@suse.cz>
16320
16321         * fold-const.c (fold_unary): Convert (T1)(X op Y) into
16322         ((T1)X op (T1)Y), for pointer type in more cases than before.
16323
16324         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
16325
16326         * tree-object-size.c (plus_expr_object_size): When operand size is
16327         unknown, return unknown.
16328
16329 2007-05-03  Dirk Mueller  <dmueller@suse.de>
16330
16331         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
16332
16333         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
16334         options.
16335
16336         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
16337
16338 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
16339
16340         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
16341
16342 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
16343
16344         * config/soft-fp/double.h, config/soft-fp/extended.h,
16345         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
16346         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
16347         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
16348         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
16349         glibc CVS.
16350
16351 2007-05-03  Ian Lance Taylor  <iant@google.com>
16352
16353         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
16354         MASK_PPC_GFXOPT for 8540 or 8548.
16355
16356 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16357
16358         * tree-vect-transform.c (vect_update_inits_of_drs): Use
16359         vect_print_dump_info() to output debug information.
16360
16361 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16362
16363         PR target/31768
16364         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
16365         operands of size 2 when operand is not MEM_P.
16366
16367 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16368
16369         PR tree-optimization/30565
16370         * lambda-code.c (perfect_nestify): Fix updating of dominators.
16371
16372 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
16373
16374         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
16375         (umulsi3_highpart): Use them.
16376         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
16377         for final accumulator to D regisster tranfser.
16378
16379 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
16380
16381         PR tree-optimization/31699
16382         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
16383         wrong code.
16384         (vect_enhance_data_refs_alignment): Compute peel amount using
16385         TYPE_VECTOR_SUBPARTS instead of vf.
16386         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
16387
16388 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
16389
16390         PR bootstrap/31776
16391         * system.h: Remove inclusion of double-int.h
16392         * tree.h: Include double-int.h
16393         * gengtype.c: Likewise
16394         * cfgloop.h: Likewise
16395         * Makefile.in: Adjust dependencies on double-int.h
16396
16397 2007-05-02  Eric Christopher  <echristo@apple.com>
16398
16399         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
16400         -shared to -Zdynamiclib.
16401
16402 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
16403
16404         PR c++/31663
16405         * c-common.c (strip_pointer_or_array_types): New function.
16406         * c-common.h (strip_pointer_or_array_types): New function declaration.
16407
16408 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16409
16410         PR tree-optimization/31771
16411         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
16412
16413 2007-05-02  Paul Brook  <paul@codesourcery.com>
16414
16415         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
16416
16417 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16418
16419         PR middle-end/29715
16420         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
16421         transformation.
16422
16423 2007-05-02  Nick Clifton  <nickc@redhat.com>
16424
16425         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
16426
16427 2007-05-02  Richard Guenther  <rguenther@suse.de>
16428
16429         PR tree-optimization/31146
16430         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
16431         argument, single_use_p.  If we have a single use that is
16432         a conversion to the definition rhs type, propagate that rhs.
16433         (forward_propagate_addr_expr): Pass single_use_p argument
16434         to forward_propagate_addr_expr_1.
16435
16436 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
16437
16438         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
16439         variable.
16440
16441 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16442
16443         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
16444         'AMD Family 10 core'.
16445
16446 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16447
16448         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
16449         and athlon64-sse3 as improved versions of k8, opteron and athlon64
16450         with SSE3 instruction set support.
16451         * doc/invoke.texi: Likewise.
16452
16453 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16454
16455         * config/i386/i386.c (override_options): Tuning 32-byte loop
16456         alignment for amdfam10 architecture. Increasing the max loop
16457         alignment to 24 bytes.
16458
16459 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
16460
16461         * config/m68k/constraints.md: New.
16462         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
16463         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
16464         EXTRA_CONSTRAINT): Remove.
16465         * config/m68k/m68k.md: Include constraints.md.
16466         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
16467
16468 2007-05-01  Ian Lance Taylor  <iant@google.com>
16469
16470         PR tree-optimization/31739
16471         * tree-vrp.c (vrp_val_is_max): New static function.
16472         (vrp_val_is_min): New static function.
16473         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
16474         copying the node.
16475         (set_value_range): Use vrp_val_is_{max,min}.
16476         (extract_range_from_assert): Likewise.
16477         (extract_range_from_binary_expr): Likewise.
16478         (extract_range_from_unary_expr): Likewise.
16479         (dump_value_range, vrp_meet): Likewise.
16480         (vrp_visit_phi_node): Likewise.
16481         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
16482
16483 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
16484
16485         * config/i386/gmon-sol2.c (size_t): New type.
16486         (intptr_t): Likewise.
16487         (s_textsize): Declare as size_t.
16488         (sbrk): Declare.
16489         (monstartup): Use size_t for sizes.
16490         (_mcount): Save and restore registers.
16491         (internal_mcount): Pass 0 as the first argument to monstartup
16492         in 64-bit mode.
16493         (moncontrol): Convert pointer to appropriately sized integer
16494         before passing to profil.
16495
16496 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16497
16498         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
16499         __NO_FPRS__, not just if _SOFT_DOUBLE.
16500         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
16501         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
16502         also for E500 double.
16503         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
16504         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
16505         && !TARGET_FPRS).
16506
16507 2007-05-01  Richard Guenther  <rguenther@suse.de>
16508
16509         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
16510         is NULL.
16511
16512 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16513
16514         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
16515
16516 2007-05-01  Jan Hubicka  <jh@suse.cz>
16517
16518         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
16519         invariant.
16520
16521 2007-05-01  Jan Hubicka  <jh@suse.cz>
16522
16523         * tree.h (maybe_fold_offset_to_component_ref): Remove.
16524         (maybe_fold_offset_to_reference): Declare.
16525         * fold-const.c (fold_unary): Do not fold
16526         (type *)&A into &A->field_of_type_and_offset_0
16527         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
16528         size is unknown, give up.
16529         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
16530         offsets.
16531         (maybe_fold_offset_to_reference): New.
16532         (maybe_fold_stmt_indirect): Use it.
16533         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
16534         * gimplify.c (gimplify_conversion): Canonicalize conversions to
16535         field references.
16536         (gimplify_expr): Likewise for plus_expr.
16537
16538 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
16539
16540         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
16541         bsi_after_labels.  Always insert statements before bsi.
16542         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
16543         * predict.c (apply_return_prediction): Check for empty blocks.
16544         * cfgexpand.c (lab_rtx_for_bb): New variable.
16545         (label_rtx_for_bb): Do not create new tree labels.
16546         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
16547         (tree_expand_cfg): Initialize lab_rtx_for_bb.
16548         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
16549         creating edges.
16550         (label_for_bb): Add field used.
16551         (update_eh_label, main_block_label): Mark the label used.
16552         (cleanup_dead_labels): Remove unused labels.
16553
16554 2007-05-01  Richard Guenther  <rguenther@suse.de>
16555
16556         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
16557         if it is not about to be set.
16558         (get_value_range): Do not pre-allocate equiv bitmap.
16559         (update_value_range): No need to clear equiv field.
16560         (add_equivalence): Change prototype to get bitmap pointer.
16561         Allocate bitmap here if it is not already.
16562         (extract_range_from_assert): Do not allocate bitmap here.
16563         Update callers to add_equivalence.
16564         (extract_range_from_ssa_name): Likewise.
16565         (get_vr_for_comparison): New static helper.
16566         (compare_name_with_value): Handle NULL equiv bitmap by
16567         peeling the first iteration of the comparison loop.
16568         Use get_vr_for_comparison.
16569         (compare_names): Handle NULL equiv bitmaps by using fake
16570         ones.  Use get_vr_for_comparison.
16571
16572 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
16573
16574         * double-int.c (mpz_set_double_int): Moved from
16575         tree-ssa-loop-niter.c.
16576         (mpz_get_double_int): Likewise; also, add option to wrap
16577         out-of-range integers.
16578         * double-int.h: New prototypes for above.
16579         * tree.c (get_static_type_bounds): Moved from
16580         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
16581         TYPE_MAX_VALUE if they exist..
16582         * tree.h: New prototype for above.
16583         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
16584         get_type_bounds calls.
16585         (mpz_set_double_int): Move to double-int.c.
16586         (get_type_bounds): Move to tree.c, rename to
16587         get_static_type_bounds.
16588         (mpz_to_double_int): Move to double-int.c, rename to
16589         mpz_get_double_int.
16590
16591 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
16592
16593         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
16594         DIV0 exception can fall through to a normal return.
16595
16596 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
16597
16598         PR middle-end/22156
16599         Temporarily revert:
16600         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
16601         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
16602         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16603         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
16604         initialize align to silence bogus warning.
16605         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16606         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
16607         all_no_warning.
16608         (struct sra_walk_fns): Remove use_all parameter from use.
16609         (sra_hash_tree): Handle BIT_FIELD_REFs.
16610         (sra_elt_hash): Don't hash bitfld blocks.
16611         (sra_elt_eq): Skip them in parent compares as well.  Handle
16612         BIT_FIELD_REFs.
16613         (sra_walk_expr): Don't maintain or pass down use_all_p.
16614         (scan_use): Remove use_all parameter.
16615         (scalarize_use): Likewise.  Re-expand assignment to
16616         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
16617         output, and re-scalarize after output.  Don't mark anything
16618         for no warning.
16619         (scalarize_ldst): Adjust.
16620         (scalarize_walk_gimple_modify_statement): Likewise.
16621         (build_element_name_1): Handle BIT_FIELD_REFs.
16622         (instantiate_element): Don't warn for any element whose parent
16623         is used as a whole.
16624         (instantiate_missing_elements_1): Return the sra_elt.
16625         (canon_type_for_field): New.
16626         (try_instantiate_multiple_fields): New.
16627         (instantiate_missing_elemnts): Use them.
16628         (mark_no_warning): Removed.
16629         (generate_one_element_ref): Handle BIT_FIELD_REFs.
16630         (REPLDUP, sra_build_elt_assignment): New.
16631         (generate_copy_inout): Use them.
16632         (generate_element_copy): Likewise.  Handle bitfld differences.
16633         (generate_element_zero): Don't recurse for blocks.  Use
16634         sra_build_elt_assignment.
16635         (generate_one_element_int): Take elt instead of var.  Use
16636         sra_build_elt_assignment.
16637         (generate_element_init_1): Adjust.
16638         (scalarize_use, scalarize_copy): Use REPLDUP.
16639         (scalarize_ldst): Move assert before dereference.
16640         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
16641
16642 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16643
16644         PR C++/31721
16645         * tree.c (reconstruct_complex_type): Reconstruct a reference
16646         correctly.
16647         Also use the same mode for the pointer as the old pointer type.
16648
16649 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
16650
16651         * doc/trouble.texi (Interoperation): Remove note about Ultrix
16652         Fortran compiler.
16653
16654 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
16655
16656         PR rtl-optimization/31676
16657         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
16658         (df_refs_record): Call it.
16659
16660 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
16661
16662         * rtl.def (SS_ABS): New code.
16663         * config/bfin/bfin.c (print_operand): New modifier 'v'.
16664         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
16665         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
16666         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
16667         (bfin_init_builtins): Define them.
16668         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
16669         (bfin_expand_builtin): ... and handle the others here.
16670         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
16671         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
16672         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
16673         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
16674         operand is only HImode.
16675
16676 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
16677
16678         * regclass.c (scan_one_insn): Remove splitting of
16679         two address insns.
16680
16681 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
16682             Nigel Stephens  <nigel@mips.com>
16683
16684         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
16685
16686 2007-04-28  Jan Hubicka  <jh@suse.cz>
16687
16688         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
16689         insn_locators_alloc instead of insn_locators_initialize;
16690         call reset_block_changes.
16691         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
16692         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
16693         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
16694         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
16695         * config/score/score.c (th_output_mi_thunk): Likewise.
16696         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
16697         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
16698         tolerate uninitialized locator info.
16699
16700         Re-apply:
16701         * function.c (init_function_start): Don't init line number info.
16702         (expand_function_end): Update.
16703         (reset_block_changes, record_block_change, finalize_block_changes,
16704         check_block_change, free_block_changes): Kill.
16705         * function.h (reset_block_changes, record_block_change,
16706         finalize_block_changes, check_block_change, free_block_changes):
16707         Remove prototypes.
16708         (struct function): Remove ib_boundaries_block.
16709         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
16710         Use curr_insn_locator to initialize locator.
16711         (emit_line_note): Remove.
16712         * cfgexpand.c (expand_gimple_cond_expr): Update.
16713         (construct_exit_block): Likewise.
16714         (tree_expand_cfg): Initialize/finalize locators.
16715         * expr.c (expand_expr_real): Update.
16716         * cfglayout.c (line_locators_locs, line_locators_lines,
16717         file_locators_locs, file_locators_files): Remove.
16718         (set_block_levels): Move to cfgexpand.c.
16719         (insn_locators_initialize): Remove.
16720         (pass_insn_locators_initialize): Remove.
16721         (locations_locators_locs, locations_locators_vals): New static vars.
16722         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
16723         Likewise.
16724         (insn_locators_alloc, insn_locators_finalize,
16725         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16726         New functions.
16727         (locator_location): New.
16728         (locator_line, locator_file): Rewrite.
16729         * rtl.h (emit_line_note): Kill.
16730         (insn_locators_alloc, insn_locators_finalize,
16731         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16732         Declare.
16733         * tree-inline.c (initialize_cfun): Do not initialize
16734         ib_boundaries_block.
16735         * passes.c (pass_insn_locators_initialize): Remove.
16736
16737 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
16738
16739         * tree-cfg.c (move_block_to_fn): Release bb from dominance
16740         info.  Update last_basic_block correctly.
16741
16742 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
16743
16744         PR target/31701
16745         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
16746         register itself to hold the offset constant.  Tell flow the use
16747         of r4 and r5 when they are used.
16748
16749 2007-04-27  Richard Guenther  <rguenther@suse.de>
16750
16751         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
16752         if we simplified anything.
16753         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
16754         warnings until we did a simplification and the stmt was not
16755         marked as TREE_NO_WARNING.
16756
16757 2007-04-27  Mike Stump  <mrs@apple.com>
16758
16759         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
16760
16761 2007-04-27  Ian Lance Taylor  <iant@google.com>
16762
16763         PR middle-end/31710
16764         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
16765         TYPE_MAX_VALUE exist, convert them to the new type.
16766
16767 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16768
16769         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
16770         if it claims to be available.
16771         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
16772         edge is redirected.
16773         (perform_tree_ssa_dce): Always free postdominators.
16774
16775 2007-04-27  Richard Henderson  <rth@redhat.com>
16776
16777         * config/alpha/predicates.md (aligned_memory_operand): Mark
16778         as define_special_predicate.
16779         (unaligned_memory_operand, normal_memory_operand): Likewise.
16780         (reg_or_unaligned_mem_operand): Remove.
16781         (any_memory_operand): Match the documentation and check for
16782         non-renumbered pseudos during reload.
16783         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
16784         alpha_secondary_reload_class, update to new interface, make static.
16785         Handle CQImode like HImode.  Remove FP subreg check.
16786         (alpha_expand_mov): Use replace_equiv_address.
16787         (alpha_expand_mov_nobwx): Use any_memory_operand.
16788         (TARGET_SECONDARY_RELOAD): New.
16789         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
16790         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
16791         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
16792         * config/alpha/alpha.md: ... here.
16793         (RELOAD12, reloadmode): New.
16794         (movcqi): New.
16795         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
16796         Don't handle the aligned case here.
16797         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
16798         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
16799         reload_inhi_help.  Don't expect a scratch register.
16800         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
16801         reload_outhi_help.
16802         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
16803
16804 2007-04-27  Richard Guenther  <rguenther@suse.de>
16805
16806         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
16807
16808 2007-04-27  Richard Guenther  <rguenther@suse.de>
16809
16810         PR tree-optimization/30965
16811         PR tree-optimization/30978
16812         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
16813         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
16814         (find_equivalent_equality_comparison): Likewise.
16815         (simplify_cond): Likewise.
16816         (get_prop_source_stmt): New helper.
16817         (get_prop_dest_stmt): Likewise.
16818         (can_propagate_from): Likewise.
16819         (remove_prop_source_from_use): Likewise.
16820         (combine_cond_expr_cond): Likewise.
16821         (forward_propagate_comparison): New function.
16822         (forward_propagate_into_cond): Rewrite to use fold for
16823         tree combining.
16824         (tree_ssa_forward_propagate_single_use_vars): Call
16825         forward_propagate_comparison to propagate comparisons.
16826
16827 2007-04-27  Richard Guenther  <rguenther@suse.de>
16828
16829         PR tree-optimization/31715
16830         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
16831         sure to do computation on the offset in an appropriate
16832         signed type.
16833
16834 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
16835
16836         * reload.h (elimination_target_reg_p): Declare.
16837         * reload.c (find_reloads): Don't apply the reg_rtx move
16838         optimization if the SET_DEST satisfies elimination_target_reg_p.
16839         * reload1.c (elimination_target_reg_p): New function.
16840         (gen_reload): In the move/add2 fallback, make sure that op0
16841         does not overlap the destination register.
16842
16843 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16844
16845         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
16846         transform only GIMPLE_MODIFY_STMTs.
16847         * tree-complex.c (expand_complex_operations_1): Ditto.
16848         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
16849         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
16850         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
16851         branches.
16852         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
16853         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
16854         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
16855         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
16856         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
16857         slpeel_add_loop_guard): Ditto.
16858         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
16859         * lambda-code.c (perfect_nestify): Ditto.
16860         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
16861         before the first statement.
16862         * tree-optimize.c (execute_free_datastructures): Fix comments.
16863         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
16864         * tree-flow.h (disband_implicit_edges): Declaration removed.
16865         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
16866         branches.
16867         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
16868         COND_EXPRs without gotos.
16869         (disband_implicit_edges, has_label_p): Removed.
16870         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
16871         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
16872         branches.
16873         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
16874         side effects.
16875         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
16876         also for COND_EXPRs.
16877         * cfgexpand.c (label_rtx_for_bb): New function.
16878         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
16879         Use label_rtx_for_bb to find the labels.
16880         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
16881         last block.  Detect fallthru edges.
16882
16883 2007-04-26  Ian Lance Taylor  <iant@google.com>
16884
16885         PR target/28675
16886         * reload.c (find_reloads_subreg_address): If the address was valid
16887         in the original mode but not in the new mode, reload the whole
16888         address.
16889
16890 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16891
16892         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
16893         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
16894         (cleanup_control_expr_graph): Do not invalidate dominance info.
16895         Record altered blocks.
16896         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
16897         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
16898         cleanup_tree_cfg_bb): New functions.
16899         (remove_forwarder_block): Do not maintain the worklist of blocks.
16900         Record altered blocks.
16901         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
16902         not over whole cfg.
16903         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
16904         delete_unreachable_blocks if dominators are not available.
16905         * tree-inline.c (optimize_inline_calls): Free dominance information
16906         earlier.
16907         * tree-flow.h (remove_edge_and_dominated_blocks,
16908         cfgcleanup_altered_bbs): Altered.
16909         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
16910         blocks.
16911         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
16912         functions.
16913         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
16914         do not invalidate dominators.
16915
16916 2007-04-26  Anatoly Sokolov <aesok@post.ru>
16917
16918         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
16919         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
16920         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
16921         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
16922
16923 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
16924
16925         * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
16926
16927 2007-04-26  Richard Guenther  <rguenther@suse.de>
16928
16929         PR tree-optimization/31703
16930         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
16931         the right type for the target of the bittest.
16932
16933 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16934
16935         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
16936         ix86_sol10_return_in_memory.
16937
16938 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16939
16940         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
16941         variables.
16942
16943 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
16944
16945         PR c++/31598
16946         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
16947
16948         PR tree-optimization/30558
16949         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
16950         clear this_state.prev_try.
16951
16952 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16953             Mark Mitchell  <mark@codesourcery.com>
16954
16955         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
16956         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
16957         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
16958
16959 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16960
16961         PR driver/31107
16962         * doc/invoke.texi (%:print-asm-header): Document.
16963         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
16964         and -ftarget-help.
16965         (static_spec_functions): Add print-asm-header.
16966         (main): Print a banner before the --target-help linker options.
16967         (print_asm_header_spec_function): New function.
16968
16969 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
16970
16971         PR target/31403
16972         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
16973         (movsf_ie): Likewise.
16974
16975 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
16976
16977         * doc/extend.texi ([Type Traits]): Adjust per N2255.
16978
16979 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
16980
16981         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
16982         exception for divide-by-zero.
16983         (__umodsi3, __modsi3): Likewise.
16984
16985 2007-04-25  Dirk Mueller  <dmueller@suse.de>
16986
16987         * c-typeck.c (build_compound_expr): Annotate warning()
16988         call with OPT_Wunused_value.
16989         * tree-ssa.c (warn_uninit): Annotate warning with
16990         OPT_Wunintialized.
16991         * c-common.c (handle_sentinel_attribute): Annotate warning
16992         call with OPT_Wattributes.
16993
16994 2007-04-25  Thiemo Seufer  <ths@mips.com>
16995
16996         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
16997         (mips16): Fix typo.
16998         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
16999         on to the assembler.  Improve handling of -mno-mips16.  Add handling
17000         of -mno-mips3d, -mno-dsp, -mno-dspr2.
17001         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
17002         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
17003         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
17004
17005 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
17006
17007         PR target/31680
17008         * config/i386/winnt.c (i386_pe_file_end): Strip only
17009         USER_LABEL_PREFIX when writing export name.
17010
17011 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
17012
17013         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
17014         sh/elf.h, vx-common.h and vxworks.h.
17015         * config/sh/sh.h: Include config/vxworks-dummy.h.
17016         (SUBTARGET_OVERRIDE_OPTIONS): Define.
17017         (OVERRIDE_OPTIONS): Use it.
17018         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
17019         (vxworks_picreg): New pattern.
17020         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
17021         VXWORKS_OS_CPP_BUILTINS.
17022         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
17023         to their VXWORKS_* equivalents.
17024         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
17025         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
17026         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
17027         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
17028         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
17029         -mrtp/-fPIC multilibs.
17030         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
17031         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
17032         (MULTILIB_OSDIRNAMES): Delete.
17033
17034 2007-04-25  Anatoly Sokolov <aesok@post.ru>
17035
17036         PR target/18989
17037         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
17038
17039 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
17040
17041         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
17042         rounding mode to be specified by the caller.
17043         (real_to_mpfr) Likewise.
17044         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
17045         include new arguments.
17046         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
17047
17048 2007-04-24  Ian Lance Taylor  <iant@google.com>
17049
17050         PR tree-optimization/31605
17051         * tree-vrp.c (set_value_range): Check that min and max are not
17052         both overflow infinities.
17053         (set_value_range_to_value): New static function.
17054         (extract_range_from_binary_expr): Call set_value_range_to_value.
17055         (extract_range_from_cond_expr): Likewise.
17056         (extract_range_from_expr): Likewise.
17057         (extract_range_from_unary_expr): Likewise.  Don't create a range
17058         which overflows on both sides.
17059         (vrp_meet): Check for a useless range.
17060         (vrp_visit_phi_node): If we see a constant which looks like an
17061         overflow infinity, turn off the TREE_OVERFLOW flag.
17062
17063 2007-04-24  Ian Lance Taylor  <iant@google.com>
17064
17065         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
17066
17067 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
17068
17069         PR diagnostic/25923
17070         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
17071         diagnostic message is being built.
17072         * tree-pretty-print.c (dump_generic_node): Only write the
17073         formatted text into BUFFER's stream if we are not building a
17074         diagnostic message.
17075         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
17076         dump_generic_node.
17077         * Makefile.in (toplev.o): Depend on tree-pass.h.
17078
17079 2007-04-24  Ian Lance Taylor  <iant@google.com>
17080
17081         PR tree-optimization/31602
17082         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
17083         conditionals in the copied loop header.
17084         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
17085         warnings if TREE_NO_WARNING is set.
17086         * doc/invoke.texi (Warning Options): Clarify that
17087         -Wstrict-overflow does not warn about loops.
17088
17089 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
17090
17091         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
17092         expand on the comment about _Decimal128 arguments and check the
17093         integer result of the modulus operation; for 64-bit ELF ABI, ensure
17094         that _Decimal128 argument uses even/odd register pair.
17095         (function_arg): Ditto.
17096
17097 2007-04-24  Hui-May Chang <hm.chang@apple.com>
17098
17099         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
17100         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
17101
17102 2007-04-24  Richard Guenther  <rguenther@suse.de>
17103             Olga Golovanevsky  <olga@il.ibm.com>
17104
17105         * fold-const.c (multiple_of_p): Check for bottom
17106         to be zero.
17107
17108 2007-04-24  Richard Henderson  <rth@redhat.com>
17109
17110         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
17111         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
17112         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
17113         looking for non-zero bits shifted out.  Avoid a recursive call
17114         when constructing the scalar.
17115         (__floatundisf): Likewise.
17116
17117 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
17118
17119         * dwarf2out.c (field_byte_offset): Move the existing logic
17120         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
17121         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
17122
17123 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17124
17125         PR target/31641
17126         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
17127         length argument of 0 for memset.
17128         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
17129         unsigned shift instead of the signed variant.
17130
17131 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17132
17133         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
17134         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
17135         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
17136         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17137         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
17138         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
17139         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
17140         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
17141         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
17142         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
17143         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
17144         "mul<mode>3", "div<mode>3"): Insn definitions added.
17145         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
17146         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
17147         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
17148         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
17149         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
17150         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
17151         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
17152         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
17153         TARGET_FLOAT_FORMAT): Macro definitions removed.
17154         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
17155         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
17156         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
17157         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
17158         (s390_gen_rtx_const_DI): Function removed.
17159         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
17160
17161 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
17162
17163         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
17164         over an external ffs function.
17165
17166 2007-04-24  Chao-ying Fu  <fu@mips.com>
17167             Richard Sandiford  <richard@nildram.co.uk>
17168
17169         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
17170         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
17171         (smadd_widen_optab, umadd_widen_optab): Define.
17172         * optabs.c (init_optabs): Initialize smadd_widen_optab and
17173         umadd_widen_optab.
17174         * genopinit.c (optabs): Fill in smadd_widen_optab and
17175         umadd_widen_optab.
17176         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
17177         and umadd_widen_optab to implement multiply-add sequences.
17178         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
17179         (<u>maddsidi4): ...this.  Extend condition to include
17180         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
17181         of operand 0 to "ka" and use the three-operand form of madd<u>
17182         for TARGET_DSPR2.
17183         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
17184         to define_expands.
17185         * config/mips/constraints.md (ka): New register constraint.
17186
17187 2007-04-24  Jan Hubicka  <j@suse.cz>
17188
17189         Revert:
17190
17191         2007-04-23  Jan Hubicka  <jh@suse.cz>
17192         * function.c (init_function_start): Don't init line number info.
17193         (expand_function_end): Update.
17194         (reset_block_changes, record_block_change, finalize_block_changes,
17195         check_block_change, free_block_changes): Kill.
17196         * function.h (reset_block_changes, record_block_change,
17197         finalize_block_changes, check_block_change, free_block_changes):
17198         Remove prototypes.
17199         (struct function): Remove ib_boundaries_block.
17200         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17201         Use curr_insn_locator to initialize locator.
17202         (emit_line_note): Remove.
17203         * cfgexpand.c (expand_gimple_cond_expr): Update.
17204         (construct_exit_block): Likewise.
17205         (tree_expand_cfg): Initialize/finalize locators.
17206         * expr.c (expand_expr_real): Update.
17207         * cfglayout.c (line_locators_locs, line_locators_lines,
17208         file_locators_locs, file_locators_files): Remove.
17209         (set_block_levels): Move to cfgexpand.c.
17210         (insn_locators_initialize): Remove.
17211         (pass_insn_locators_initialize): Remove.
17212         (locations_locators_locs, locations_locators_vals): New static vars.
17213         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17214         Likewise.
17215         (insn_locators_alloc, insn_locators_finalize,
17216         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17217         New functions.
17218         (locator_location): New.
17219         (locator_line, locator_file): Rewrite.
17220         * rtl.h (emit_line_note): Kill.
17221         (insn_locators_alloc, insn_locators_finalize,
17222         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17223         Declare.
17224         * tree-inline.c (initialize_cfun): Do not initialize
17225         ib_boundaries_block.
17226         * passes.c (pass_insn_locators_initialize): Remove.
17227
17228 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
17229
17230         * doc/invoke.texi: Removed leading '-' from option index entries.
17231
17232 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
17233
17234         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
17235         Use phi_nodes_ptr.
17236         (create_phi_node): Use set_phi_nodes.
17237         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
17238         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
17239         (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
17240         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
17241         (bsi_start, bsi_last): Use bb_stmt_list.
17242         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
17243         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
17244         Traverse the statements using tsi iterator.
17245         * basic-block.h (struct basic_block_def): Fields stmt_list
17246         and phi_nodes moved to ...
17247         (struct tree_bb_info): ... new structure.
17248         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
17249         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
17250         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
17251         (tree_verify_flow_info): Verify that il.tree is not set for
17252         entry and exit block.
17253         (tree_split_block): Use set_bb_stmt_list.
17254
17255 2007-04-23  Mike Stump  <mrs@apple.com>
17256
17257         * config/i386/i386.c (ix86_tune_features
17258         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
17259         nocona and core2.
17260
17261 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17262
17263         * config/i386/i386.md (prefix_extra): New attribute.
17264         (length): Add prefix_extra.
17265
17266         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
17267         (sse2_movntv2di): Likewise.
17268         (sse2_cvtps2dq): Likewise.
17269         (sse2_cvtpd2pi): Likewise.
17270         (sse2_cvttpd2pi): Likewise.
17271         (*sse2_cvtpd2ps): Likewise.
17272         (*add<mode>3): Likewise.
17273         (sse2_ssadd<mode>3): Likewise.
17274         (sse2_usadd<mode>3): Likewise.
17275         (*sub<mode>3): Likewise.
17276         (sse2_sssub<mode>3): Likewise.
17277         (sse2_ussub<mode>3): Likewise.
17278         (*mulv8hi3): Likewise.
17279         (*smulv8hi3_highpart): Likewise.
17280         (*umulv8hi3_highpart): Likewise.
17281         (sse2_umulv2siv2di3): Likewise.
17282         (sse2_pmaddwd): Likewise.
17283         (ashr<mode>3): Likewise.
17284         (lshr<mode>3): Likewise.
17285         (ashl<mode>3): Likewise.
17286         (sse2_ashlti3): Likewise.
17287         (sse2_lshrti3): Likewise.
17288         (*umaxv16qi3): Likewise.
17289         (*smaxv8hi3): Likewise.
17290         (*uminv16qi3): Likewise.
17291         (*sminv8hi3): Likewise.
17292         (sse2_eq<mode>3): Likewise.
17293         (sse2_gt<mode>3): Likewise.
17294         (*and<mode>3): Likewise.
17295         (sse2_nand<mode>3): Likewise.
17296         (*ior<mode>3): Likewise.
17297         (*xor<mode>3): Likewise.
17298         (sse2_packsswb): Likewise.
17299         (sse2_packssdw): Likewise.
17300         (sse2_packuswb): Likewise.
17301         (sse2_punpckhbw): Likewise.
17302         (sse2_punpcklbw): Likewise.
17303         (sse2_punpckhwd): Likewise.
17304         (sse2_punpcklwd): Likewise.
17305         (sse2_punpckhdq): Likewise.
17306         (sse2_punpckldq): Likewise.
17307         (sse2_punpckhqdq): Likewise.
17308         (sse2_punpcklqdq): Likewise.
17309         (*sse2_pinsrw): Likewise.
17310         (*sse2_pextrw): Likewise.
17311         (sse2_pshufd_1): Likewise.
17312         (sse2_uavgv16qi3): Likewise.
17313         (sse2_uavgv8hi3): Likewise.
17314         (sse2_psadbw): Likewise.
17315         (sse2_pmovmskb): Likewise.
17316         (*sse2_maskmovdqu): Likewise.
17317         (*sse2_maskmovdqu_rex64): Likewise.
17318         (sse4a_extrqi): Likewise.
17319         (sse4a_extrq): Likewise.
17320         (sse3_lddqu): Set prefix_rep.
17321         (sse3_addsubv4sf3): Likewise.
17322         (sse3_haddv4sf3): Likewise.
17323         (sse3_hsubv4sf3): Likewise.
17324         (sse_cvtss2si): Likewise.
17325         (sse_cvtss2si_2): Likewise.
17326         (sse_cvtss2siq): Likewise.
17327         (sse_cvtss2siq_2): Likewise.
17328         (sse_cvttss2si): Likewise.
17329         (sse_cvttss2siq): Likewise.
17330         (sse2_cvttps2dq): Likewise.
17331         (sse3_movshdup): Likewise.
17332         (sse3_movsldup): Likewise.
17333         (sse2_cvtsd2si): Likewise.
17334         (sse2_cvtsd2si_2): Likewise.
17335         (sse2_cvtsd2siq): Likewise.
17336         (sse2_cvtsd2siq_2): Likewise.
17337         (sse2_cvttsd2si): Likewise.
17338         (sse2_cvttsd2siq): Likewise.
17339         (*sse2_cvtpd2dq): Likewise.
17340         (*sse2_cvttpd2dq): Likewise.
17341         (sse2_pshuflw_1): Likewise.
17342         (sse2_pshufhw_1): Likewise.
17343         (sse4a_insertqi): Likewise.
17344         (sse4a_insertq): Likewise.
17345         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
17346         (ssse3_phadddv4si3): Likewise.
17347         (ssse3_phaddswv8hi3): Likewise.
17348         (ssse3_phsubwv8hi3): Likewise.
17349         (ssse3_phsubdv4si3): Likewise.
17350         (ssse3_phsubswv8hi3): Likewise.
17351         (ssse3_pmaddubswv8hi3): Likewise.
17352         (ssse3_pmulhrswv8hi3): Likewise.
17353         (ssse3_pshufbv16qi3): Likewise.
17354         (ssse3_psign<mode>3): Likewise.
17355         (ssse3_palignrti): Likewise.
17356         (abs<mode>2): Likewise.
17357         (ssse3_phaddwv4hi3): Set prefix_extra.
17358         (ssse3_phadddv2si3): Likewise.
17359         (ssse3_phaddswv4hi3): Likewise.
17360         (ssse3_phsubwv4hi3): Likewise.
17361         (ssse3_phsubdv2si3): Likewise.
17362         (ssse3_phsubswv4hi3): Likewise.
17363         (ssse3_pmaddubswv4hi3): Likewise.
17364         (ssse3_pmulhrswv4hi3): Likewise.
17365         (ssse3_pshufbv8qi3): Likewise.
17366         (ssse3_psign<mode>3): Likewise.
17367         (ssse3_palignrdi): Likewise.
17368         (abs<mode>2): Likewise.
17369         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
17370         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
17371         (sse2_pmovmskb): Set mode to SI instead of V2DF.
17372
17373 2007-04-23  Nick Clifton  <nickc@redhat.com>
17374
17375         * params.def: Fix formatting of emacs local variables.
17376
17377 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17378
17379         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
17380         move if inter-unit move isn't allowed.
17381         Don't split moving the first element of V2DI to DI to inter-unit
17382         move if inter-unit move isn't allowed.
17383
17384 2007-04-23  Richard Guenther  <rguenther@suse.de>
17385
17386         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
17387         and CDI_POST_DOMINATORS separately.
17388
17389 2007-04-23  Nick Clifton  <nickc@redhat.com>
17390
17391         * c.opt (Wformat-contains-nul): Add warning attribute.
17392
17393 2007-04-23  Jan Hubicka  <jh@suse.cz>
17394
17395         * function.c (init_function_start): Don't init line number info.
17396         (expand_function_end): Update.
17397         (reset_block_changes, record_block_change, finalize_block_changes,
17398         check_block_change, free_block_changes): Kill.
17399         * function.h (reset_block_changes, record_block_change,
17400         finalize_block_changes, check_block_change, free_block_changes):
17401         Remove prototypes.
17402         (struct function): Remove ib_boundaries_block.
17403         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17404         Use curr_insn_locator to initialize locator.
17405         (emit_line_note): Remove.
17406         * cfgexpand.c (expand_gimple_cond_expr): Update.
17407         (construct_exit_block): Likewise.
17408         (tree_expand_cfg): Initialize/finalize locators.
17409         * expr.c (expand_expr_real): Update.
17410         * cfglayout.c (line_locators_locs, line_locators_lines,
17411         file_locators_locs, file_locators_files): Remove.
17412         (set_block_levels): Move to cfgexpand.c.
17413         (insn_locators_initialize): Remove.
17414         (pass_insn_locators_initialize): Remove.
17415         (locations_locators_locs, locations_locators_vals): New static vars.
17416         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17417         Likewise.
17418         (insn_locators_alloc, insn_locators_finalize,
17419         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17420         New functions.
17421         (locator_location): New.
17422         (locator_line, locator_file): Rewrite.
17423         * rtl.h (emit_line_note): Kill.
17424         (insn_locators_alloc, insn_locators_finalize,
17425         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17426         Declare.
17427         * tree-inline.c (initialize_cfun): Do not initialize
17428         ib_boundaries_block.
17429         * passes.c (pass_insn_locators_initialize): Remove.
17430
17431 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17432
17433         PR middle-end/31448
17434         * expr.c (reduce_to_bit_field_precision): Handle
17435         CONST_INT rtx's.
17436
17437 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
17438
17439         PR tree-optimization/24659
17440         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
17441         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
17442         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
17443         * genopinit.c (optabs): Rename vec_pack_mod_optab
17444         to vec_pack_trunc_optab.
17445         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
17446         early for scalar floating point operands for NOP_EXPR.
17447         (vectorizable_type_promotion): Ditto.
17448         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
17449         vec_pack_trunc_optab.
17450         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
17451
17452         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
17453         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
17454         Rename from VEC_PACK_MOD_EXPR.
17455         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
17456         * expr.c (expand_expr_real_1): Ditto.
17457         * tree-inline.c (estimate_num_insns_1): Ditto.
17458         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
17459
17460         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
17461         (vec_unpacks_lo_v4sf): Ditto.
17462         (vec_pack_trunc_v2df): Ditto.
17463         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
17464         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17465         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
17466
17467         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
17468         vec_pack_mod_v8hi.
17469         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17470
17471         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
17472         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
17473         packing of floating point operands.
17474         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
17475         represent unpacking of floating point operands.
17476         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
17477         [vec_unpacks_hi]: Ditto.
17478         [vec_unpacks_lo]: Ditto.
17479
17480 2007-04-22  Jan Hubicka  <jh@suse.cz>
17481
17482         * final.c (rest_of_handle_final): Call
17483         targetm.asm_out.constructor/targetm.asm_out.destructor
17484         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
17485         proper priority via decl_*_priority_insert.
17486         * c-common.c (c_expand_body): Likewise.
17487
17488 2007-04-22  Richard Guenther  <rguenther@suse.de>
17489
17490         PR tree-optimization/29789
17491         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
17492         (rewrite_reciprocal): New helper split out from
17493         determine_invariantness_stmt.
17494         (rewrite_bittest): Likewise.
17495         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
17496         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
17497         is not.
17498
17499 2007-04-22  Revital Eres  <eres@il.ibm.com>
17500
17501         * loop-unroll.c (var_to_expand): New field to support also
17502         insns of the form x = something + x.
17503         (analyze_insn_to_expand_var): Use it.
17504         (expand_var_during_unrolling): Likewise.
17505
17506 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17507
17508         * predict.c: Include pointer-set.h.
17509         (bb_predictions): New variable.
17510         (tree_predicted_by_p, tree_predict_edge,
17511         remove_predictions_associated_with_edge): Use bb_predictions map
17512         instead of bb->predictions.
17513         (clear_bb_predictions, assert_is_empty): New functions.
17514         (combine_predictions_for_bb): Use bb_predictions map.  Call
17515         clear_bb_predictions.
17516         (tree_estimate_probability): Create and free bb_predictions map.
17517         * Makefile.in (predict.o): Add pointer-set.h dependency.
17518         * basic-block.h (struct basic_block_def): Remove predictions
17519         field.
17520         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
17521
17522 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
17523
17524         PR target/31480
17525         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
17526         is null.
17527
17528 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17529
17530         * timevar.c (timevar_print): Change reference of --disable-checking to
17531         --enable-checking=release.  Also warn if assert checking is disabled.
17532
17533 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17534
17535         PR C/30265
17536         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
17537         decl as addressable if the compound literal was marked as
17538         addressable.
17539         Mark the decl as a gimple register if it is a complex or
17540         vector decl and does not live in memory.
17541
17542 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17543
17544         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
17545         (GENERIC_NEXT): New function macro.
17546         (PHI_CHAIN): Use phi_node's new chain variable.
17547         (tree_phi_node): Change tree_common to tree_base
17548         and add the chain field.
17549         * tree-phinodes.c (make_phi_node): Don't set
17550         TREE_TYPE on the new node.
17551         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
17552         instead of checking GIMPLE_TUPLE_P in chain_next.
17553         * tree-vect-transform.c
17554         (get_initial_def_for_induction): Look at
17555         PHI_RESULT_TREE for the type of the phi node.
17556         (update_vuses_to_preheader): Use PHI_CHAIN
17557         instead of TREE_CHAIN on the phi node.
17558         * tree-ssa-structalias.c (compute_points_to_sets):
17559         Likewise.
17560         (ipa_pta_execute): Likewise.
17561
17562 2007-04-21  Richard Guenther  <rguenther@suse.de>
17563
17564         PR middle-end/31136
17565         * fold-const.c (fold_unary): Call fold_convert_const on the
17566         original tree.
17567
17568 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
17569
17570         * gcse.c (store_killed_in_insn): Handle PARALLELs.
17571         (store_killed_in_pat): New.
17572
17573 2007-04-20  Richard Henderson  <rth@redhat.com>
17574
17575         PR target/31628
17576         * config/i386/i386.c (type_has_variadic_args_p): Look for any
17577         TREE_LIST with a void_type_node value, not void_list_node exactly.
17578
17579 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
17580
17581         * doc/standards.texi: Re-arrange into language-specific
17582         subsections. Add a C++ section, documenting which standards we
17583         support.
17584
17585 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17586
17587         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
17588         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
17589
17590 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
17591
17592         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
17593         ecrti.o and crtbegin.o.
17594         (LIB_DEFAULT_SPEC): Include -lc.
17595         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
17596
17597 2007-04-20  Richard Henderson  <rth@redhat.com>
17598
17599         PR target/28623
17600         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
17601         argument; update all callers.
17602         (get_unaligned_offset): New.
17603         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
17604         get_unaligned_address, just pass on the address directly.
17605         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
17606         the subreg in the helper patterns.
17607         (unaligned_extendqidi_le): Use get_unaligned_offset.
17608         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
17609         (unaligned_extendhidi_be): Likewise.
17610         (unaligned_extendhidi): Tidy.
17611         * config/alpha/alpha-protos.h: Update.
17612
17613 2007-04-20  Richard Henderson  <rth@redhat.com>
17614
17615         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
17616         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
17617         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
17618         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17619         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17620         (CPP_SPEC): Don't include %(cpp_subtarget).
17621         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
17622         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17623         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
17624
17625 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
17626
17627         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
17628         for __builtin_ia32_cmpordss.
17629
17630         PR tree-optimization/31632
17631         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
17632         and arg1 for optimizations of comparison against min/max values.
17633         Fold arg0 to arg1's type for optimizations of comparison against
17634         min+1 and max-1 values.
17635
17636 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
17637
17638         * reload.c (combine_reloads): When trying to use a dying register,
17639         check whether it's uninitialized and don't use if so.
17640
17641 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
17642
17643         * fold-const.c: Remove prototypes for native_encode_expr and
17644         native_interpret_expr.
17645         (native_encode_expr): Make non-static.
17646         (native_interpret_expr): Likewise.
17647         * tree.h: Add prototypes for the above.
17648
17649 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17650
17651         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
17652         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
17653         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
17654         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
17655         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
17656         Add length attributes.
17657
17658 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
17659
17660         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
17661         not that it is 1.
17662
17663         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
17664         __STDC_WANT_DEC_FP__.
17665
17666 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17667
17668         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
17669         for long double compatibility.
17670         * configure: Regenerate.
17671
17672 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
17673
17674         PR rtl-optimization/29841
17675         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
17676         trap instructions.
17677         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
17678         that may cause control flow transfer from being moved.
17679
17680 2007-04-18  Jan Hubicka  <jh@suse.cz>
17681
17682         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
17683         types.
17684
17685 2007-04-18  Eric Christopher  <echristo@apple.com>
17686
17687         * config/rs6000/darwin.md (load_macho_picbase): Use link register
17688         only. Update operands.
17689         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
17690         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
17691         link register to pic register.
17692
17693 2007-04-18  Dirk Mueller  <dmueller@suse.de>
17694
17695         PR diagnostic/31227
17696         * tree-vrp.c (search_for_addr_array): New.
17697         (check_array_bounds): Suppress warning about
17698         address taken of array refs if its not de-referenced.
17699
17700 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17701
17702         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
17703         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
17704
17705         * tree-vectorizer.h (NITERS_KNOWN_P): New.
17706         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
17707         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
17708
17709         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
17710         dump print.
17711         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
17712         print message.
17713         (vect_analyze_scalar_cycles): Fix indentation.
17714         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
17715         (vect_mark_relevant): Include phis in relevance analysis.
17716
17717         * tree-vect-transform.c (vect_transform_loop): Add an assert.
17718
17719 2007-04-18  Anatoly Sokolov <aesok@post.ru>
17720
17721         * config/avr/avr.c (ptrreg_to_str): Replace error() with
17722         output_operand_lossage().
17723
17724 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17725
17726         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
17727         the unused code for reduction without adjust-in-epilog to simplify the
17728         function.
17729
17730 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
17731
17732         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
17733         (S390_TDC_NEGATIVE_ZERO): New constant.
17734         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
17735         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
17736         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
17737         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
17738         (S390_TDC_POSITIVE_INFINITY): New constant.
17739         (S390_TDC_NEGATIVE_INFINITY): New constant.
17740         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
17741         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
17742         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
17743         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
17744         (S390_TDC_INFINITY): New constant.
17745         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
17746         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
17747         optimization for UNSPEC_CCZ_TO_INT.
17748         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
17749         ("*ccz_to_int"): New insn.
17750         ("isinf<mode>2"): New insn.
17751         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
17752         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
17753         (UNSPEC_CCZ_TO_INT): New constant.
17754
17755 2007-04-18  Richard Guenther  <rguenther@suse.de>
17756
17757         PR tree-optimization/19431
17758         PR tree-optimization/21463
17759         * tree-pass.h (pass_phiprop): Declare.
17760         * passes.c (init_optimization_passes): New phiprop pass.
17761         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
17762         (phivn_valid_p): New helper function.
17763         (phiprop_insert_phi): Likewise.
17764         (propagate_with_phi): Likewise.
17765         (tree_ssa_phiprop): New propagator propagating loads
17766         through phi nodes if profitable.
17767
17768 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17769
17770         * tree-vect-analyze.c (process_use): New function.
17771         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
17772         Check phis in all bbs.
17773         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
17774         assert.
17775
17776 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
17777
17778         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
17779         we use REG_EQUAL.
17780
17781 2007-04-17  Anatoly Sokolov <aesok@post.ru>
17782
17783         PR target/30483
17784         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
17785         error().
17786
17787 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
17788
17789         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
17790         on "0".
17791         (sse_vmmulv4sf3): Likewise.
17792         (sse2_vmaddv2df3): Likewise.
17793         (sse2_vmmulv2df3): Likewise.
17794
17795 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
17796
17797         PR rtl-optimization/31360
17798         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
17799         (target_reg_cost): New.
17800         (init_set_costs): Initialize target_reg_cost.  Add comments
17801         regarding the rationale of the costs.
17802         (global_cost_for_size): Renamed to...
17803         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
17804         of register pressure.
17805         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
17806         estimate_reg_pressure_cost.  Add number of ivs.
17807         (determine_set_costs): Dump target_reg_cost.
17808         * loop-invariant.c (gain_for_invariant): Use
17809         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
17810         (best_gain_for_invariant, find_invariants_to_move): Remove
17811         n_inv_uses.
17812         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
17813         (target_reg_cost): Declare.
17814         (global_cost_for_size): Declaration removed.
17815         (estimate_reg_pressure_cost): Declare.
17816
17817 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
17818
17819         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
17820         regnos into even/odd register pairs.
17821         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
17822         TDmode similar to the other floating point modes.
17823         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
17824         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
17825         define_expand's.
17826         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
17827         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
17828         (movdd_hardfloat64): Use TARGET_MFPGPR.
17829
17830 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
17831
17832         * reload1.c (delete_output_reload): Don't count output in n_inherited.
17833
17834         Revert
17835         2005-01-05  Richard Henderson  <rth@redhat.com>
17836         PR rtl-opt/10692
17837         * reload1.c (do_input_reload): Restrict the optimization deleteing
17838         a previous output reload to RELOAD_FOR_INPUT.
17839
17840 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
17841
17842         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
17843         induc_vec_info_type.
17844         (vectorizable_induction): New function declaration.
17845         * tree-vect-transform.c (get_initial_def_for_induction): No need to
17846         check if already vectorized.  Find first place in BB where new stmts
17847         can be inserted.  Takes only one argument.
17848         (vectorizable_induction): New function.
17849         (vect_transform_stmt): Add case for induc_vec_info_type to call
17850         vectorizable_induction.
17851         (vect_transform_loop): Consider phis for vectorization.
17852         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
17853         condition.
17854         (analyze_operations): Call vectorizable_induction when analyzing phis.
17855         Fix comment.
17856         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
17857         (vect_mark_relevant): Include phis in relevance analysis.
17858         (vect_mark_stmts_to_be_vectorize): Likewise.
17859         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
17860
17861 2007-04-16  Lawrence Crowl  <crowl@google.com>
17862
17863         * doc/invoke.texi (Debugging Options): Add documentation for the
17864         -femit-struct-debug options -femit-struct-debug-baseonly,
17865         -femit-struct-debug-reduced, and
17866         -femit-struct-debug-detailed[=...].
17867
17868         * c-opts.c (c_common_handle_option): Add
17869         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
17870         and OPT_femit_struct_debug_detailed_.
17871         * c.opt: Add specifications for
17872         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
17873         and -femit-struct-debug-detailed[=...].
17874         * opts.c (set_struct_debug_option): Parse the
17875         -femit-struct-debug-... options.
17876         * opts.c (matches_main_base, main_input_basename,
17877         main_input_baselength, base_of_path, matches_main_base): Add
17878         variables and functions to compare header base name to compilation
17879         unit base name.
17880         * opts.c (should_emit_struct_debug): Add to determine to emit a
17881         structure based on the option.
17882         (dump_struct_debug) Also disabled function to debug this
17883         function.
17884         * opts.c (handle_options): Save the base name of the
17885         compilation unit.
17886
17887         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
17888         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
17889         This hook indicates if a type is generic.  Set it by default
17890         to "never generic".
17891         * langhooks.h (struct lang_hooks_for_types): Add a new hook
17892         to determine if a struct type is generic or not.
17893         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
17894         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
17895         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
17896         with live C++ hook.
17897
17898         * flags.h (enum debug_info_usage): Add an enumeration to describe
17899         a program's use of a structure type.
17900         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
17901         to indicate the program's usage of the type.  Filter structs based
17902         on the -femit-struct-debug-... specification.
17903         (gen_type_die): Split into two routines, gen_type_die and
17904         gen_type_die_with_usage.  gen_type_die is now a wrapper
17905         that assumes direct usage.
17906         (gen_type_die_with_usage): Replace calls to gen_type_die
17907         with gen_type_die_with_usage adding the program usage of
17908         the referenced type.
17909         (dwarf2out_imported_module_or_decl): Suppress struct debug
17910         information using should_emit_struct_debug when appropriate.
17911
17912 2007-04-16  Ian Lance Taylor  <iant@google.com>
17913
17914         PR tree-optimization/31522
17915         * tree-vrp.c (vr_phi_edge_counts): New static variable.
17916         (vrp_initialize): Allocate vr_phi_edge_counts.
17917         (vrp_visit_phi_node): Don't push to infinity if we saw a new
17918         executable edge.  Drop test for all constants.
17919         (vrp_finalize): Free vrp_phi_edge_counts.
17920
17921         * doc/cpp.texi (Common Predefined Macros): Clarify description of
17922         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
17923
17924         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
17925         predecessors at head rather than tail.
17926
17927 2007-04-16  Matthias Klose  <doko@debian.org>
17928
17929         * config/alpha/linux.h (CPP_SPEC): Define.
17930         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
17931
17932 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
17933
17934         * function.h: Remove sequence_stack extern declaration.
17935
17936 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
17937
17938         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
17939         TARGET_FIDOA.
17940         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
17941         defined.
17942
17943 2007-04-16  Anatoly Sokolov <aesok@post.ru>
17944
17945         * config/avr/avr.c (avr_arch_types): Rearranging  array.
17946         (enum avr_arch): Add.
17947         (avr_mcu_types): Use avr_arch enumeration constants instead of
17948         numbers.
17949         * config/avr/avr.h (LINK_SPEC): Simplify.
17950
17951 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
17952
17953         * config/m68k/m68k.c (m68k_libcall_value,
17954         m68k_function_value): Use macros for register names more.
17955
17956         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
17957         instead.
17958         (M68K_REGNAME): Use A6_REG.
17959         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
17960
17961 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
17962
17963         PR middle-end/28071
17964         * sched-int.h (struct deps): Split field 'pending_lists_length' into
17965         'pending_read_list_length' and 'pending_write_list_length'.  Update
17966         comment.
17967         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
17968         to handle two length counters instead of one.  Update all uses.
17969         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
17970         two length counters instead of one.
17971         * sched-rgn.c (propagate_deps): Update to handle two length counters
17972         instead of one.
17973
17974 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
17975
17976         PR target/31582
17977         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
17978         copy of source, pass it to ix86_expand_vector_set and return
17979         it as target.
17980
17981 2007-04-16  David Ung  <davidu@mips.com>
17982             Joseph Myers  <joseph@codesourcery.com>
17983
17984         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
17985         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
17986         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
17987         Add 74K processor information.
17988         * config/mips/mips.md: Include 74k.md.
17989         (cpu): Add 74kc,74kf,74kx.
17990         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
17991         * config/mips/74k.md: New.
17992         * doc/invoke.texi (MIPS Options): Document 74K support.
17993
17994 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
17995
17996         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
17997         vectorizable_* functions.
17998         * tree-vect-transform.c (vectorizable_call): Add check for
17999         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
18000         (vectorizable_store): likewise.
18001         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
18002         Add comments.
18003         (vectorizable_operation, vectorizable_type_demotion): Likewise.
18004         (vectorizable_type_promotion, vectorizable_load): Likewise.
18005         (vectorizable_live_operation, vectorizable_condition): Likewise.
18006         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
18007         STMT_VINFO_LIVE_P.
18008         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
18009
18010 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18011
18012         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
18013         register numbers more.
18014         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
18015         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
18016         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
18017         FUNCTION_VALUE_REGNO_P): Likewise.
18018         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
18019         STATIC_CHAIN_REGNUM): Likewise.
18020         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
18021         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
18022         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
18023         * config/m68k/m68k.md (FP_REG): New.
18024
18025 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18026
18027         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
18028         alignment on fido.
18029
18030 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18031
18032         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
18033         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
18034         comment typos.
18035
18036 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18037
18038         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
18039         cold loops.
18040
18041 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18042
18043         PR c/31520
18044         * c-decl.c (finish_decl): Grab the type of the decl after the call
18045         to store_init_value.
18046
18047 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
18048
18049         * common.opt (fforward-propagate): Fix "Optimization" annotation.
18050
18051 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
18052
18053         PR c++/25874
18054         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
18055         dominators, post dominators and cleanup cfg before returning.
18056
18057 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
18058
18059         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
18060         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
18061
18062 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
18063
18064         * config.gcc: Recognize fido.
18065         * config/m68k/m68k-devices.def (fidoa): New.
18066         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
18067         __mfido__.
18068         (FL_FIDOA, TARGET_FIDOA): New.
18069         * config/m68k/m68k.opt (mfidoa): New.
18070
18071 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18072
18073         PR middle-end/31322
18074         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
18075         when a personality function is used.
18076
18077 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
18078
18079         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
18080
18081 2007-04-13  Mike Stump  <mrs@apple.com>
18082
18083         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
18084         we can...
18085         * config/darwin.opt (fapple-kext): Make C++ only.
18086         * config/darwin.c (darwin_override_options): Remove code to ensure
18087         -fapple-kext is given for C++ only.
18088
18089 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
18090
18091         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
18092         * config/mips/mips.c (override_options): Call
18093         SUBTARGET_OVERRIDE_OPTIONS, if defined.
18094
18095 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
18096
18097         * config/i386/i386.opt (msvr3-shlib): Removed.
18098
18099         * doc/invoke.texi: Remove -msvr3-shlib.
18100
18101 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
18102
18103         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
18104         with "popcnt" instruction.
18105
18106 2007-04-13  Richard Guenther  <rguenther@suse.de>
18107
18108         PR tree-optimization/21258
18109         * tree-vrp.c (compare_case_labels): New helper.
18110         (find_switch_asserts): New function.
18111         (find_assert_locations): Call it for SWITCH_EXPRs.
18112
18113 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
18114
18115         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
18116         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
18117         check is now implied in X87_FLOAT_MODE_P.
18118         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18119         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18120         (fix_trunc<mode>_i386_fisttp): Ditto.
18121         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18122         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18123         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18124         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18125         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18126         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18127         (unnamed_splitters): Ditto.
18128         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
18129         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
18130         FIRST_SSE_REG for local functions when SSE math is enabled or
18131         for functions with sseregparm attribute.
18132         (standard_80387_constant_p): Return -1 if mode is not
18133         X87_FLOAT_MODE_P.
18134         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
18135         (ix86_expand_compare): Ditto.
18136         (ix86_expand_carry_flag_compare): Ditto.
18137         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
18138         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
18139         DECIMAL_FLOAT_MODE_P.
18140         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
18141         of SCALAR_FLOAT_MODE_P.
18142         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
18143         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
18144         checks before FLOAT_MODE_P.
18145         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
18146         before FLOAT_MODE_P.
18147         [DIV]: Ditto.
18148         [NEG]: Ditto.
18149         [ABS]: Ditto.
18150         [SQRT]: Ditto.
18151         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
18152
18153 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
18154             Charles Wilson  <libtool@cwilson.fastmail.fm>
18155
18156         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
18157         (libgcc.mvars): Don't depend on them.
18158         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
18159         * exec-tool.in: New.
18160
18161 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
18162
18163         * doc/invoke.text (--help): Document --help=common.
18164
18165 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
18166
18167         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
18168
18169 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18170
18171         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
18172         * genemit.c (main): Emit #include "integrate.h".
18173         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
18174         (LOADGP_RTP): New mips_loadgp_style.
18175         * config/mips/mips.h: Include config/vxworks-dummy.h.
18176         (TARGET_RTP_PIC): New macro.
18177         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
18178         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
18179         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
18180         for TARGET_RTP_PIC.
18181         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
18182         -mvxworks-pic when using -mrtp and a PIC option.
18183         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
18184         for RTP PIC.
18185         (mips_symbolic_constant_p, mips_symbolic_address_p)
18186         (mips_symbol_insns): Handle SYMBOL_HALF.
18187         (override_options): Warn about -G and -mrtp being used together.
18188         Initialize mips_lo_relocs[SYMBOL_HALF].
18189         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
18190         (mips_emit_loadgp): Handle LOADGP_RTP.
18191         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
18192         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
18193         (tablejump): Handle function-relative case table entries if
18194         TARGET_RTP_PIC.
18195         * config/mips/predicates.md (symbol_ref_operand): New predicate.
18196
18197 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18198
18199         * config/mips/mips.md (load_call<mode>): Allow any general register.
18200         destination.
18201         (sibcall_value_internal, sibcall_value_multiple_internal)
18202         (call_value_internal, call_value_split, call_value_multiple_internal)
18203         (call_value_multiple_split): Remove constraints from operand 0.
18204
18205 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18206
18207         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
18208         rather than loadgp_noshared.
18209         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
18210         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
18211         gen_loadgp.
18212         * config/mips/mips.md (loadgp): Rename to...
18213         (loadgp_newabi): ...this.
18214         (loadgp_noshared): Rename to...
18215         (loadgp_absolute): ...this.
18216
18217 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18218
18219         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
18220         false for locally-binding symbols.
18221         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
18222
18223 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18224
18225         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
18226         (SYMBOL_GOT_PAGE_OFST): ...this.
18227         (SYMBOL_GOT_GLOBAL): Rename to...
18228         (SYMBOL_GOT_DISP): ...this.
18229         (SYMBOL_GOTOFF_GLOBAL): Rename to...
18230         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
18231         * config/mips/mips.c (mips_global_symbol_p): New function.
18232         (mips_symbol_binds_local_p): Likewise.
18233         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
18234         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use
18235         mips_global_symbol_p and mips_symbol_binds_local_p.
18236         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
18237         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
18238         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
18239         SYMBOL_GOTOFF_DISP.
18240         (mips_ok_for_lazy_binding_p): New function.
18241         (mips_load_call_address, mips_expand_call): Use it.
18242         (mips_dangerous_for_la25_p): Likewise.
18243         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
18244         (*got_disp<mode>): Use got_disp_operand instead of
18245         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
18246         SYMBOL_GOTOFF_GLOBAL.
18247         (*got_page<mode>): Use got_page_ofst_operand instead of
18248         local_got_operand.
18249         * config/mips/predicates.md (const_call_insn_operand): Use
18250         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
18251         (global_got_operand): Rename to...
18252         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
18253         SYMBOL_GOT_GLOBAL.
18254         (local_got_operand): Rename to...
18255         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
18256         of SYMBOL_GOT_LOCAL.
18257
18258 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18259
18260         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
18261         TARGET_CALL_CLOBBERED_GP.
18262         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18263         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
18264         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
18265         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
18266         of TARGET_ABICALLS && !TARGET_NEWABI.
18267         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18268         * config/mips/mips.c (mips_load_call_address): Check
18269         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18270         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18271         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18272         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
18273         TARGET_ABICALLS && TARGET_NEWABI.
18274         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
18275         TARGET_ABICALLS.
18276         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
18277         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
18278         TARGET_ABICALLS && TARGET_NEWABI.
18279         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
18280         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
18281         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
18282         whether indirect calls must use $25.
18283         (mips_extra_live_on_entry): Check TARGET_GOT instead of
18284         TARGET_ABICALLS.
18285         * config/mips/mips.md (jal_macro): Check flag_pic and
18286         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
18287         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
18288         instead of TARGET_ABICALLS.
18289         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
18290         TARGET_ABICALLS && TARGET_OLDABI.
18291         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18292         (sibcall): In the comment above the define_insn, mention
18293         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
18294         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
18295         instead of TARGET_ABICALLS.
18296
18297 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
18298
18299         * doc/md.texi (Blackfin family constraints): Document PA and PB.
18300         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
18301         (MACFLAGS_MATCH_P): New macro.
18302         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
18303         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
18304         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
18305         the other MACFLAG constants.
18306         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
18307         (flag_machi): Tighten constraints.  Renumber some of the operands.
18308         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
18309         output template.
18310         (flag_machi_parts_acconly): New pattern.
18311         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
18312         used.
18313         (flag_macinit1hi): Tighten constraints.
18314         (flag_mul_macv2hi_parts_acconly): New pattern.
18315
18316         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
18317         Use a more efficient implementation.
18318         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
18319         inline sequences when not optimizing for size.
18320
18321         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
18322         movhi_high2low): Delete, merge functionality into...
18323         (packv2hi): ... this pattern.
18324
18325         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
18326         * config/bfin/bfin.opt (msim): New option.
18327         (mcpu=): New option.
18328         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
18329         (bfin_cpu_t): Typedef of enum bfin_cpu.
18330         (bfin_cpu_type): New declaration.
18331         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
18332         -msim and -mcpu= options.
18333         (LIB_SPEC): Likewise.
18334         * config/bfin/bfin.c (bfin_cpu_type): Define.
18335         (bfin_handle_option): Handle -mcpu= option.
18336         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
18337         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
18338         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
18339
18340 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18341
18342         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
18343         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
18344         (powerpc-wrs-vxworksae): Use ${tm_file}.
18345         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
18346         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
18347         * config/i386/vx-common.h: New file.
18348
18349 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18350
18351         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
18352         of crt0.o%s.
18353
18354 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
18355
18356         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
18357         ldxtr.
18358
18359 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
18360
18361         PR c++/31078
18362         PR c++/31103
18363         * c-common.c (c_build_qualified_type): Set canonical type
18364         appropriately.
18365
18366 2007-04-12  Richard Guenther  <rguenther@suse.de>
18367
18368         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
18369         lower bound and element size if lower bound is not zero
18370         or either of the ARRAY_REF operands is set.
18371
18372 2007-04-12  Richard Guenther  <rguenther@suse.de>
18373
18374         PR tree-optimization/24689
18375         PR tree-optimization/31307
18376         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
18377         indices by value.
18378         * gimplify.c (canonicalize_addr_expr): To be consistent with
18379         gimplify_compound_lval only set operands two and three of
18380         ARRAY_REFs if they are not gimple_min_invariant.  This makes
18381         it never at this place.
18382         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
18383
18384 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18385
18386         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
18387         null before emitting a .nsubspa directive.
18388
18389 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18390
18391         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
18392         need_to_partition_p if there are no memory statements in the
18393         function.
18394
18395 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18396
18397         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
18398         (gcd_of_steps_may_divide_p): New function.
18399         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
18400
18401 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18402
18403         * reload.c (find_reloads_toplev, find_reloads_address,
18404         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
18405         not a pointer equality test, to decide if we need to call
18406         push_reg_equiv_alt_mem.
18407
18408 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
18409
18410         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
18411         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
18412         New.
18413         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
18414
18415 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18416
18417         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
18418         vector to be positive.
18419
18420 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18421
18422         PR 30735
18423         PR 31090
18424         * doc/invoke.texi: Document --params max-aliased-vops and
18425         avg-aliased-vops.
18426         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
18427         debug_memory_partitions): Move to tree-flow.h
18428         * params.h (AVG_ALIASED_VOPS): Define.
18429         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
18430         users.
18431         (mp_info_t): Likewise.
18432         (get_mem_sym_stats_for): New.
18433         (set_memory_partition): Move from tree-flow-inline.h.
18434         (mark_non_addressable): Only clear the set of symbols for the
18435         partition if it exists.
18436         (dump_memory_partitions): Move from tree-ssa-operands.c
18437         (debug_memory_partitions): Likewise.
18438         (need_to_partition_p): New.
18439         (dump_mem_ref_stats): New.
18440         (debug_mem_ref_stats): New.
18441         (dump_mem_sym_stats): New.
18442         (debug_mem_sym_stats): New.
18443         (update_mem_sym_stats_from_stmt): New.
18444         (compare_mp_info_entries): New.
18445         (mp_info_cmp): Call it.
18446         (sort_mp_info): Change argument to a list of mem_sym_stats_t
18447         objects.
18448         (get_mpt_for): Move from tree-ssa-operands.c.
18449         (find_partition_for): New.
18450         (create_partition_for): Remove.
18451         (estimate_vop_reduction): New.
18452         (update_reference_counts): New.
18453         (build_mp_info): New.
18454         (compute_memory_partitions): Refactor.
18455         Document new heuristic.
18456         Call build_mp_info, update_reference_counts,
18457         find_partition_for and estimate_vop_reduction.
18458         (compute_may_aliases): Populate virtual operands before
18459         calling debugging dumps.
18460         (delete_mem_sym_stats): New.
18461         (delete_mem_ref_stats): New.
18462         (init_mem_ref_stats): New.
18463         (init_alias_info): Call it.
18464         (maybe_create_global_var): Remove alias_info argument.
18465         Get number of call sites and number of pure/const call sites
18466         from gimple_mem_ref_stats().
18467         (dump_alias_info): Call dump_memory_partitions first.
18468         (dump_points_to_info_for): Show how many times a pointer has
18469         been dereferenced.
18470         * opts.c (decode_options): For -O2 set --param
18471         max-aliased-vops to 500.
18472         For -O3 set --param max-aliased-vops to 1000 and --param
18473         avg-aliased-vops to 3.
18474         * fortran/options.c (gfc_init_options): Remove assignment to
18475         MAX_ALIASED_VOPS.
18476         * tree-flow-inline.h (gimple_mem_ref_stats): New.
18477         * tree-dfa.c (dump_variable): Dump memory reference
18478         statistics.
18479         Dump NO_ALIAS* settings.
18480         (referenced_var_lookup): Tidy.
18481         (mem_sym_stats): New.
18482         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
18483         and ORIG are different SSA names for a memory partition.
18484         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
18485         * tree-flow.h (struct mem_sym_stats_d): Define.
18486         (mem_sym_stats_t): Define.
18487         (struct mem_ref_stats_d): Define.
18488         (struct gimple_df): Add field mem_ref_stats.
18489         (enum noalias_state): Define.
18490         (struct var_ann_d): Add bitfield noalias_state.
18491         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
18492         debug_mem_ref_stats, debug_memory_partitions,
18493         debug_mem_sym_stats): Declare.
18494         * tree-ssa-structalias.c (update_alias_info): Update call
18495         sites, pure/const call sites and asm sites in structure
18496         returned by gimple_mem_ref_stats.
18497         Remove local variable IS_POTENTIAL_DEREF.
18498         Increase NUM_DEREFS if the memory expression is a potential
18499         dereference.
18500         Call update_mem_sym_stats_from_stmt.
18501         If the memory references memory, call
18502         update_mem_sym_stats_from_stmt for all the direct memory
18503         symbol references found.
18504         (intra_create_variable_infos): Set noalias_state field for
18505         pointer arguments according to the value of
18506         flag_argument_noalias.
18507         * tree-ssa-structalias.h (struct alias_info): Remove fields
18508         num_calls_found and num_pure_const_calls_found.
18509         (update_mem_sym_stats_from_stmt): Declare.
18510         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
18511         Set default value to 100.
18512         (PARAM_AVG_ALIASED_VOPS): Define.
18513
18514 2007-04-11  Richard Guenther  <rguenther@suse.de>
18515
18516         PR middle-end/31530
18517         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
18518         a * -b + c as c - a * b if we honor sign dependent rounding.
18519
18520 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18521
18522         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
18523         bfin_expand_strmov.
18524         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
18525         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
18526         variables.
18527         (initialize_trampoline): Don't use old-style function definition.
18528         (bfin_secondary_reload): Mark IN_P argument as unused.
18529
18530 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
18531
18532         PR tree-optimization/31343
18533         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
18534         (build_polynomial_chrec): Return a scalar when the evolution is zero.
18535         * testsuite/gcc.dg/vect/pr31343.c: New.
18536
18537 2007-04-10  Eric Christopher  <echristo@apple.com>
18538
18539         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
18540         * config/i386/i386.md (*cmpfp0): Use.
18541         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18542         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18543         (fix_trunc<mode>_i386_fisttp): Ditto.
18544         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18545         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18546         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18547         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18548         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18549         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18550         (unnamed_splitters): Ditto.
18551         * config/i386/i386.c (output_fix_trunc): Assert that
18552         we're not being passed a TFmode operand.
18553
18554 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
18555
18556         PR tree-optimization/31526
18557         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
18558         n_basic_blocks to find newly added blocks.
18559
18560 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
18561
18562         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
18563         alternative.
18564         (fix_trunc<mode>si_sse): Ditto.
18565         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
18566         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
18567         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
18568         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
18569         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
18570         expander using SSEMODEF mode macro.
18571         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
18572         expander using SSEMODEF mode macro.
18573         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
18574         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
18575         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
18576         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
18577         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
18578         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
18579         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
18580         Macroize insn using X87MODEF mode macro.
18581
18582 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
18583
18584         * config/i386/sse.md (sse2_pinsrw): Removed.
18585         (sse2_pextrw): Renamed to ...
18586         (*sse2_pextrw): This.
18587
18588 2007-04-09  Jan Hubicka  <jh@suse.cz>
18589
18590         PR target/27869
18591         * config/i386/sse.md
18592         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
18593         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
18594         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
18595         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
18596
18597 2007-04-09  Jan Hubicka  <jh@suse.cz>
18598
18599         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
18600         multiple fields of union.
18601
18602 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
18603
18604         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
18605         (create_preheaders): Check that loops are available.
18606         (fix_loop_structure): Clean up, improve comments.
18607         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
18608         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
18609         state flags.
18610         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
18611         * predict.c (tree_estimate_probability): Do not call
18612         calculate_dominance_info.  Call create_preheaders.
18613         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
18614         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
18615         flags.
18616         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
18617         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
18618         * tree-cfg.c (tree_split_edge): Make an assert more precise.
18619         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
18620         arguments.
18621
18622 2007-04-08  Jan Hubicka  <jh@suse.cz>
18623
18624         * tree.h (maybe_fold_offset_to_component_ref): Declare.
18625         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
18626         * fold-const.c (fold_unary): Use it.
18627
18628 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18629
18630         * varasm.c (assemble_variable): Remove call to
18631         lang_hooks.decls.prepare_assemble_variable.
18632         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
18633         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
18634         * langhooks.h (lang_hooks_for_decls): Remove
18635         prepare_assemble_variable.
18636
18637 2007-04-08  Mike Stump  <mrs@apple.com>
18638
18639         * config/i386/i386.c: Use inc/dec on Core2.
18640
18641 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
18642
18643         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
18644         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18645         lhd_tree_inlining_end_inlining): Remove.
18646         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
18647         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
18648         end_inlining hooks.
18649         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
18650         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18651         lhd_tree_inlining_end_inlining): Remove prototypes.
18652         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
18653         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
18654         LANG_HOOKS_TREE_INLINING_START_INLINING,
18655         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
18656
18657         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
18658         not set it.
18659
18660 2007-04-08  Anatoly Sokolov <aesok@post.ru>
18661
18662         PR target/29932
18663         * config/avr/predicates.md (io_address_operand): Delete predicate.
18664         (low_io_address_operand): Don't use 'mode' argument.
18665         (higth_io_address_operand): Rename ...
18666         (high_io_address_operand): ... to this. Don't use 'mode' argument.
18667         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
18668         for above change.
18669
18670 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
18671
18672         Revert change removing staticp.
18673
18674 2007-04-07  Anatoly Sokolov <aesok@post.ru>
18675
18676         PR target/30289
18677         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
18678         earlyclobber.
18679
18680 2007-04-07  Bruce Korb  <bkorb@gnu.org>
18681
18682         * c.opt: Add -Wformat-contains-nul.
18683         * c-format.c (set_Wformat): Set warn_format_contains_nul to the
18684           -Wformat setting.
18685         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
18686         the NUL byte warning.
18687
18688 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
18689
18690         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
18691
18692 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18693
18694         * tree.c (staticp): No longer use staticp langhook.
18695         * langhooks.c (lhd_staticp): Removed.
18696         * langhooks.h (struct lang_hooks): Remove staticp.
18697         * c-common.c (c_staticp): Remove.
18698         * c-common.h (c_staticp): Ditto.
18699         * langhooks-defs.h (lhd_staticp): Ditto.
18700         (LHD_HOOKS_STATICP): Ditto
18701         * tree.h (gcc_assert_lowered): New macro.
18702
18703 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
18704
18705         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
18706         argument "reliable".
18707         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
18708         Add argument "reliable".  Propagate it through calls.
18709         (infer_loop_bounds_from_undefined): Derive number of iterations
18710         estimates from references in blocks that do not dominate loop latch.
18711         (gcov_type_to_double_int): New function.
18712         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
18713         and expected_loop_iterations_unbounded.
18714         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
18715         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
18716         * tree-data-ref.c (estimated_loop_iterations): Export.
18717         (get_references_in_stmt): Fix -- do not return addresses of local
18718         objects.
18719         * cfgloop.h (expected_loop_iterations_unbounded,
18720         estimated_loop_iterations): Declare.
18721
18722 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
18723
18724         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
18725
18726 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18727
18728         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
18729         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
18730         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
18731         Use output_387_reg_move().
18732         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
18733         expander using X87MODEF12 mode macro.
18734         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
18735         choosing register preferences.  Use output_387_reg_move().
18736         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
18737         instead of "x".  Use output_387_reg_move().
18738         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
18739         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
18740         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
18741         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
18742         Use output_387_reg_move().
18743         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
18744         mode macro.
18745         (*truncxf?f_i387 splitter): Ditto.
18746
18747 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18748
18749         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
18750         LANG_HOOKS_SAFE_FROM_P.
18751         * expr.c (safe_from_p): Remove langhook call.
18752         * langhooks.h (lang_hooks): Remove safe_from_p.
18753         (lhd_safe_from_p): Remove prototype.
18754         * langhooks.c (lhd_safe_from_p): Remove.
18755
18756 2007-04-06  Jan Hubicka  <jh@suse.cz>
18757
18758         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
18759         functions.
18760
18761 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18762
18763         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
18764         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
18765         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
18766         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
18767         alternative.
18768         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
18769         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
18770
18771 2007-04-05  Richard Henderson  <rth@redhat.com>
18772
18773         * config/alpha/alpha.c (print_operand) [+]: Remove.
18774         (alpha_end_function): Print nop if call at end of function.
18775         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
18776         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
18777         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
18778         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
18779         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
18780         the call pattern. Update peepholes to match.
18781
18782 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
18783
18784         * doc/extend.texi (Other Builtins): Add decimal float variants
18785         of signbit.
18786         * builtins.def: Ditto.
18787         * builtins.c (expand_builtin): Ditto.
18788
18789 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
18790             H.J. Lu  <hongjiu.lu@intel.com>
18791
18792         PR target/31478
18793         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
18794         of V8HImode when calling ix86_binary_operator_ok.
18795         (sse2_pmaddwd): Call ix86_binary_operator_ok.
18796         (sdot_prodv8hi): Operands 1 and 2 must be register.
18797
18798 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18799
18800         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
18801         initialize align to silence bogus warning.
18802
18803 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18804
18805         PR middle-end/22156
18806         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
18807         all_no_warning.
18808         (struct sra_walk_fns): Remove use_all parameter from use.
18809         (sra_hash_tree): Handle BIT_FIELD_REFs.
18810         (sra_elt_hash): Don't hash bitfld blocks.
18811         (sra_elt_eq): Skip them in parent compares as well.  Handle
18812         BIT_FIELD_REFs.
18813         (sra_walk_expr): Don't maintain or pass down use_all_p.
18814         (scan_use): Remove use_all parameter.
18815         (scalarize_use): Likewise.  Re-expand assignment to
18816         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
18817         output, and re-scalarize after output.  Don't mark anything
18818         for no warning.
18819         (scalarize_ldst): Adjust.
18820         (scalarize_walk_gimple_modify_statement): Likewise.
18821         (build_element_name_1): Handle BIT_FIELD_REFs.
18822         (instantiate_element): Don't warn for any element whose parent
18823         is used as a whole.
18824         (instantiate_missing_elements_1): Return the sra_elt.
18825         (canon_type_for_field): New.
18826         (try_instantiate_multiple_fields): New.
18827         (instantiate_missing_elemnts): Use them.
18828         (mark_no_warning): Removed.
18829         (generate_one_element_ref): Handle BIT_FIELD_REFs.
18830         (REPLDUP, sra_build_elt_assignment): New.
18831         (generate_copy_inout): Use them.
18832         (generate_element_copy): Likewise.  Handle bitfld differences.
18833         (generate_element_zero): Don't recurse for blocks.  Use
18834         sra_build_elt_assignment.
18835         (generate_one_element_int): Take elt instead of var.  Use
18836         sra_build_elt_assignment.
18837         (generate_element_init_1): Adjust.
18838         (scalarize_use, scalarize_copy): Use REPLDUP.
18839         (scalarize_ldst): Move assert before dereference.
18840         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
18841
18842 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18843
18844         * regmove.c: Fix unused variable warnings due to previous commit.
18845
18846 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18847
18848         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
18849         (regmove_bb_head): Remove.
18850         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
18851         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
18852         problems with fixup_match_1.
18853         Don't initialize/free regmove_bb_head.
18854
18855         (reg_is_remote_constant_p): If an insn is in the same basic block
18856         but not before INSN, consider it remote, too.
18857
18858 2007-04-05  Anatoly Sokolov <aesok@post.ru>
18859
18860         PR target/25448
18861         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
18862         DECL_ASSEMBLER_NAME, not the DECL_NAME.
18863
18864 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
18865
18866         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
18867         (CONDITIONAL_REGISTER_USAGE): Likewise.
18868
18869 2007-04-04  Richard Henderson  <rth@redhat.com>
18870
18871         * config/alpha/lib1funcs.asm: Remove unused file.
18872
18873 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18874
18875         PR other/31356
18876         * opts.c (print_specific_help): Fix --help=<language>
18877         header line.
18878         (common_handle_option): Support --help=common.
18879
18880 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18881
18882         PR other/31353
18883         * gcc.c (main): Do not run the linker if
18884         print_subprocess_help indicates that it shouldn't be
18885         run.
18886
18887 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18888
18889         PR doc/31355
18890         * doc/invoke.texi (--help=): Document <languages> value, fix
18891         formatting in tables of values.
18892
18893 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
18894
18895         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
18896         dllimport attribute of virtual methods.
18897
18898 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
18899
18900         * config/score/crti.asm: Change _bss_start to __bss_start.
18901         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
18902         (OUTGOING_REG_PARM_STACK_SPACE) update.
18903         * config/score/score.opt: add options to make backend support
18904         score5, score5u, score7 and score7d.
18905         * config/score/score.md: Likewise.
18906         * config/score/misc.md: Likewise.
18907         * config/score/mac.md: Likewise.
18908         * doc/invoke.texi: Likewise.
18909         * doc/md.texi: update constraints define.
18910
18911 2007-04-03  Richard Henderson  <rth@redhat.com>
18912
18913         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
18914         an appropriate type, use the mode instead.
18915
18916 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
18917
18918         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
18919         Set the default --with-arch setting to mips2.
18920         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
18921         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
18922         (MULTILIB_OSDIRNAMES): Delete.
18923         (MULTILIB_DIRNAMES): Define.
18924         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
18925         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
18926         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
18927         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
18928         VXWORKS_OS_CPP_BUILTINS.
18929         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
18930         (MIPS_DEBUGGING_INFO): Undefine.
18931         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
18932
18933 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
18934
18935         PR middle-end/30704
18936         * fold-const.c (native_encode_real): Encode real.c provided longs
18937         as a series of 32-bit native integers.
18938         (native_interpret_real): Interpret buffer as a series of 32-bit
18939         native integers.
18940
18941 2007-04-03  Richard Guenther  <rguenther@suse.de>
18942
18943         * genpreds.c (write_insn_constraint_len): Write function
18944         optimized for CONSTRAINT_LEN implementation.
18945         (write_tm_preds_h): Output insn_constraint_len inline and
18946         use it for CONSTRAINT_LEN.
18947         (write_insn_preds_c): Don't output insn_constraint_len.
18948         * doc/md.texi (define_register_constraint): Document multi-letter
18949         constraints shall have the same length if they start with the same
18950         letter.
18951
18952 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
18953
18954         PR target/31175
18955         * config/i386/i386.md (isinf<mode>2): Expand only when
18956         TARGET_C99_FUNCTIONS is set.
18957
18958 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
18959
18960         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
18961         (x86_64-*-linux*): Ditto.
18962         * config/i386/i386.opt (mpc): New option.
18963         * config/i386/i386.c (overrride_options): Handle
18964         ix87_precision_string.
18965         * config/i386/crtprec.c: New file.
18966         * config/i386/t-crtpc: Ditto.
18967         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
18968         and -mpc80 options.
18969         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
18970         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
18971         crtprec32.o, crtprec64.o and crtprec80.o.
18972
18973         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
18974         and -mpc80 options.
18975         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
18976
18977 2007-04-02  Eric Christopher  <echristo@apple.com>
18978
18979         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
18980         limitations on darwin.
18981
18982 2007-04-02  Anatoly Sokolov <aesok@post.ru>
18983
18984         PR target/31137
18985         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
18986
18987 2007-04-02  Dave Korn  <dave.korn@artimi.com>
18988
18989         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
18990
18991 2007-04-02  Dave Korn  <dave.korn@artimi.com>
18992
18993         * libgcc2.h (exception_descriptor): Don't forward-declare.
18994         (__get_eh_table_language, __get_eh_table_version): Delete
18995         prototypes of long-dead functions.
18996
18997 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
18998
18999         * ebitmap.h: New file
19000         * ebitmap.c: New file
19001         * Makefile.in (ebitmap.o): New target.
19002
19003 2007-04-01  Jan Hubicka  <jh@suse.cz>
19004
19005         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
19006         before very first instruction.
19007
19008 2007-04-01  Jan Hubicka  <jh@suse.cz>
19009
19010         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
19011         waring on 64bit hosts.
19012         * bitmap.h: Fix typo in bitmap_head_def.
19013
19014 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
19015
19016         PR rtl-optimization/31391
19017         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
19018         into a DELETED_LABEL note, and the label is in an empty basic
19019         block, update BB_END as well as BB_HEAD.
19020
19021 2007-04-01  Richard Henderson  <rth@redhat.com>
19022
19023         PR tree-optimization/31169
19024         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
19025         to varying if the range is outside [0,  prec-1].
19026
19027 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
19028
19029         PR target/31388
19030         * config/mips/mips.md (load_const_gp): New insn.
19031         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
19032         the MIPS16 GP pseudo register if no_new_pseudos.
19033         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
19034
19035 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19036
19037         PR target/31364
19038         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
19039         secureplt.
19040         (call_value): Likewise.
19041
19042 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
19043             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19044
19045         PR 14737
19046         * doc/invoke.texi: (optimization options): Reword description
19047         of -ffast-math. Document its primary purpose.
19048
19049 2007-03-31  Richard Guenther  <rguenther@suse.de>
19050
19051         * omp-low.c (splay-tree.h): Include.
19052         (lookup_decl): Replace splay-tree usage by pointer-map.
19053         (maybe_lookup_decl): Likewise.
19054         (new_omp_context): Likewise.
19055         (delete_omp_context): Likewise.
19056         * gimplify.c (splay-tree.h): Include.
19057         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
19058         pointer-map.
19059         (remap_ssa_name): Likewise.
19060         (remap_decl): Likewise.
19061         (remap_type_1): Likewise.
19062         (remap_type): Likewise.
19063         (copy_body_r): Likewise.
19064         (expand_call_inline): Likewise.
19065         (clone_body): Likewise.
19066         (copy_tree_r): Likewise.
19067         (remap_save_expr): Likewise.
19068         (unsave_r): Likewise.
19069         (unsave_expr_now): Likewise.
19070         (tree_function_versioning): Likewise.
19071         (build_duplicate_type): Likewise.
19072         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
19073         (struct copy_body_data): Replace splay-tree by pointer-map.
19074         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
19075         not $(SPLAY_TREE_H).
19076         (gimplify.o): Depend on $(SPLAY_TREE_H).
19077         (omp-low.p): Likewise.
19078
19079 2007-03-31  Anatoly Sokolov <aesok@post.ru>
19080
19081         * config/avr/predicates.md (even_register_operand,
19082         odd_register_operand): New predicates.
19083         * config/avr/avr.md (movw peephole2): New.
19084         (movw_r peephole2): New.
19085
19086 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
19087
19088         * tree.h (get_signed_or_unsigned_type): New.
19089         * fold-const.c (operand_equal_for_comparison_p): Use
19090         get_signed_or_unsigned_type instead of
19091         lang_hooks.types.signed_or_unsigned_type.
19092         * expr.c (store_expr): Ditto.
19093         * langhooks.c (get_signed_or_unsigned_type): New.
19094         (lhd_signed_or_unsigned_type): New.
19095         * langhooks.h (lhd_signed_or_unsigned_type): New.
19096         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
19097
19098 2007-03-30  Richard Henderson  <rth@redhat.com>
19099
19100         * tree-ssa-loop-ivopts.c: Include target.h.
19101         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
19102         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
19103         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
19104         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
19105
19106 2007-03-30  Richard Henderson  <rth@redhat.com>
19107             Kai Tietz  <kai.tietz@onevision.com>
19108
19109         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
19110         default for 64-bit.
19111         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
19112         (TARGET_64BIT_MS_ABI): New.
19113         (DBX_REGISTER_NUMBER): Handle 64-bit.
19114         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
19115         (LONG_TYPE_SIZE): Force to 32.
19116         (REG_PARM_STACK_SPACE): New.
19117         (OUTGOING_REG_PARM_STACK_SPACE): New.
19118         (REGPARM_MAX, SSE_REGPARM_MAX): New.
19119         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
19120         (STACK_BOUNDARY): Use 128 for 64-bit.
19121         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
19122         Add 64-bit implementation.
19123         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
19124         argument unused.
19125         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
19126         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
19127         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
19128         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
19129         (ix86_handle_cconv_attribute): Don't warn when ignoring if
19130         TARGET_64BIT_MS_ABI.
19131         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
19132         (ix86_pass_by_reference): Likewise.
19133         (ix86_function_value_regno_p): Likewise.
19134         (ix86_build_builtin_va_list): Likewise.
19135         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
19136         (function_arg_advance_ms_64): New.
19137         (function_arg_advance): Call it.
19138         (function_arg_ms_64): New.
19139         (function_arg): Call it.
19140         (function_value_ms_64): New.
19141         (ix86_function_value_1): Call it.
19142         (return_in_memory_ms_64): New.
19143         (ix86_return_in_memory): Call it.
19144         (setup_incoming_varargs_ms_64): New.
19145         (ix86_setup_incoming_varargs): Call it.
19146         (ix86_expand_prologue): Handle 64-bit stack probing.
19147         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
19148         (output_pic_addr_const): Likewise.
19149         (x86_this_parameter): Likewise.
19150         (x86_output_mi_thunk): Likewise.
19151         (x86_function_profiler): Likewise.
19152         (TARGET_STRICT_ARGUMENT_NAMING): New.
19153         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
19154         (TARGET_64BIT_MS_ABI): New.
19155         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
19156         * config/i386/i386.md (allocate_stack_worker): Remove.
19157         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
19158         describe the clobber of eax without a match_scratch.
19159         (allocate_stack_worker_postreload): Remove.
19160         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
19161         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
19162         (allocate_stack_worker_rex64_postreload): Remove.
19163         (allocate_stack): Handle 64-bit.
19164         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
19165         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
19166         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
19167         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
19168         (STANDARD_STARTFILE_PREFIX_1): Likewise.
19169         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
19170         * config.build (x86_64-*-mingw*): New host.
19171         * config.host (x86_64-*-mingw*): New host.
19172         * config.gcc (x86_64-*-mingw*): New target.
19173         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
19174
19175 2007-03-30  Richard Henderson  <rth@redhat.com>
19176             Kai Tietz  <kai.tietz@onevision.com>
19177
19178         * c-pragma.c (struct def_pragma_macro_value): New.
19179         (struct def_pragma_macro): New.
19180         (pushed_macro_table): New.
19181         (dpm_hash, dpm_eq): New.
19182         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
19183         (init_pragma): Install them.
19184         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
19185
19186 2007-03-30  Anatoly Sokolov <aesok@post.ru>
19187
19188         * config/avr/avr.c (avr_override_options): Clear
19189         'flag_delete_null_pointer_checks'.
19190
19191 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
19192
19193         PR c++/26099
19194         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
19195         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
19196         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
19197         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
19198         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
19199         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
19200         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
19201         C++ extensions.
19202         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
19203
19204 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
19205
19206         * regmove.c: Move all of pass_stack_adjustments from here...
19207         * combine-stack-adj.c: ...to this new file.
19208         * Makefile.in: Add rules for combine-stack-adj.o.
19209
19210 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
19211
19212         PR tree-optimization/31383
19213         * tree-data-ref.c (affine_function_equal_p): Do not require the
19214         vectors to have the same length.
19215
19216 2007-03-30  Jan Hubicka  <jh@suse.cz>
19217
19218         PR middle-end/30700
19219         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
19220         availablility; add more sanity checking; ask varpool only about
19221         VAR_DECL.
19222
19223 2007-03-29  Richard Henderson  <rth@redhat.com>
19224
19225         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
19226         to decide, but __SIZEOF_LONG_LONG__.
19227
19228 2007-03-29  Richard Henderson  <rth@redhat.com>
19229
19230         * emutls.c (struct __emutls_array): New.
19231         (emutls_destroy): Use it instead of casting element 0 from void*.
19232         (__emutls_get_address): Likewise.
19233
19234 2007-03-29  Richard Henderson  <rth@redhat.com>
19235
19236         * varasm.c (initializer_constant_valid_p): Don't deny
19237         DECL_DLLIMPORT_P on functions.
19238
19239         * config/i386/cygming.h: Remove function declarations.
19240         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
19241         (ASM_OUTPUT_LABELREF): Remove.
19242         (COMMON_ASM_OP): Remove.
19243         (ASM_OUTPUT_COMMON): Remove.
19244         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
19245         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
19246         (ASM_DECLARE_FUNCTION_NAME): Likewise.
19247         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
19248         Rename from TARGET_ENCODE_SECTION_INFO.
19249         * config/i386/netware.h: Likewise.
19250         * config/i386/i386-protos.h: Update.
19251         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
19252         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
19253         (legitimate_constant_p): Reject dllimports.
19254         (dllimport_map, get_dllimport_decl): New.
19255         (legitimize_dllimport_symbol): New.
19256         (legitimize_address, ix86_expand_move): Use it.
19257         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
19258         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
19259         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
19260         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
19261         * config/i386/predicates.md (constant_call_address_operand): Only
19262         accept symbols; reject dllimport_p symbols.
19263         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
19264         i386_pe_maybe_record_exported_symbol.
19265         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
19266         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
19267         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
19268         trust the setting of DECL_DLLIMPORT_P.
19269         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
19270         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
19271         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
19272         tidy the argument scanning loop.
19273         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
19274         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
19275         (i386_pe_strip_name_encoding): Remove.
19276         (i386_pe_binds_local_p): New.
19277         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
19278         (i386_pe_output_labelref): Remove.
19279         (i386_pe_asm_output_aligned_decl_common): New.
19280         (i386_pe_maybe_record_exported_symbol): Rename from
19281         i386_pe_record_exported_symbol; check for dllexported symbols.
19282
19283 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
19284
19285         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
19286         add comment explaining why vsnprintf cannot be used.
19287
19288 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
19289
19290         PR tree-optimization/30666
19291         * tree.c (build_complex_type): When creating type names for DWARF2
19292         debug info, create TYPE_DECLs for TYPE_NAME instead of
19293         IDENTIFIER_NODEs.
19294         (build_common_tree_nodes_2): Use build_complex_type when building
19295         predefined complex types, to preserve canonical types.
19296
19297 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
19298
19299         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
19300         (noce_get_alt_condition): Look at it to determine whether to
19301         reverse the condition or not.
19302         (noce_get_condition): Substitute the truth for lies.
19303         (noce_find_if_block): Set the then_else_reversed field.
19304
19305 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
19306
19307         * config/fr30/fr30.md (movdi): Do not accept immediates as the
19308         destination of this insn.
19309         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
19310         than calling gen_rtx_SET directly.  Use r0 to hold the value of
19311         'address + 4' rather than a stack based temporary which can be
19312         mis-optimized away.
19313
19314 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19315
19316         * config/s390/s390.c (s390_secondary_input_reload_class,
19317         s390_secondary_output_reload_class): Functions removed.
19318         (s390_secondary_reload): New function.
19319         (TARGET_SECONDARY_RELOAD): Target macro defined.
19320         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
19321         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
19322         * config/s390/s390.md ("reload_outti", "reload_outdi",
19323         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
19324         "reload_out<mode>"): Expanders removed.
19325         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
19326         "reload<mode>_nonoffmem_out"): Expanders added.
19327
19328 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19329
19330         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
19331         action if SRC->DEST replacement failed anyway.
19332
19333 2007-03-28  Mike Stump  <mrs@apple.com>
19334
19335         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
19336         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
19337         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
19338
19339 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
19340
19341         * config.gcc: Accept barcelona as a variant of amdfam10.
19342         * config/i386/i386.c (override_options): Likewise.
19343         * doc/invoke.texi: Likewise.
19344
19345 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
19346
19347         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
19348         offsets for BIT_FIELD_REF and COMPONENT_REF.
19349
19350 2007-03-28  Richard Guenther  <rguenther@suse.de>
19351
19352         * tree.c (is_global_var): Move ...
19353         * tree-flow-inline.h (is_global_var): ... here.
19354         * tree.h (is_global_var): Remove declaration.
19355
19356 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
19357
19358         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
19359         option.
19360         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
19361         * config/i386/i386.c (ix86_tune_features): Initialize new
19362         tuning option.
19363         * config/i386/predicates.md (promotable_binary_operator): Use
19364         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
19365
19366 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
19367
19368         PR target/31380
19369         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
19370
19371 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
19372
19373         * config/fr30/fr30.md (movsi_internal): Change destination
19374         constraint from m to V and add m to the end.
19375
19376 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19377
19378         * config/sh/sh.md (movsi_i): Fix type attribute.
19379
19380 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19381
19382         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
19383         (movsf_ie): Likewise.
19384
19385 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19386
19387         * config.gcc: Add sh4-300 to multilib.
19388         * config/sh/t-mlib-sh4-300: New file.
19389
19390 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
19391
19392         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
19393         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
19394         fix_trunc<mode>di2.
19395         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
19396         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
19397         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
19398         "fixuns_trunctddi2"): Whitespace fix.
19399
19400 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
19401
19402         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
19403         the definition of struct sh_args.
19404         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
19405         CALL_COOKIE_INT_REG_GET): Likewise.
19406
19407 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
19408
19409         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
19410         transformations are applied successfully.
19411
19412 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
19413
19414         * tree.c (tree_contains_struct): Permit 512 tree codes.
19415         * tree.h (tree_contains_struct): Ditto.
19416         (MAX_TREE_CODES): Ditto.
19417         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
19418         SPARE member to store remaining padding bits.
19419
19420 2007-03-27  Anatoly Sokolov <aesok@post.ru>
19421
19422         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
19423         architecture.
19424
19425 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
19426
19427         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
19428         * configure: Regenerate.
19429
19430         * configure: Regenerate using the correct version of autoconf.
19431
19432 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
19433
19434         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
19435         pointer regs.
19436         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
19437         regs to "__SP_L__" and "__SP_H__".
19438
19439 2007-03-27  Richard Guenther  <rguenther@suse.de>
19440
19441         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
19442         computations with it with a HOST_WIDE_INT variable.
19443
19444 2007-03-26  Mike Stump  <mrs@apple.com>
19445
19446         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
19447         objective-c-header, objective-c++-header and objc++-cpp-output
19448         support.
19449         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
19450
19451 2007-03-26  Richard Henderson  <rth@redhat.com>
19452
19453         PR target/31361
19454         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
19455         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
19456         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
19457         IX86_BUILTIN_PSRLQ128): New.
19458         (ix86_init_mmx_sse_builtins): Add them.
19459         (ix86_expand_builtin): Expand them.
19460         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
19461         operand 2 be TImode.
19462         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
19463         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
19464         _mm_srli_epi64): Mark __B const.
19465         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
19466         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
19467         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
19468         new two-vector shift builtins.
19469
19470 2007-03-26  Ian Lance Taylor  <iant@google.com>
19471
19472         PR tree-optimization/31345
19473         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
19474         [+INF, +INF(OVF)] into VARYING.
19475
19476 2007-03-26  Zack Weinberg  <zackw@panix.com>
19477
19478         * gengtype-parse.c: New file.
19479         * gengtype-yacc.y: Delete.
19480         * gengtype-lex.l: Don't include gengtype-yacc.h.
19481         Define YY_DECL and yyterminate appropriately for recursive
19482         descent parser.  yylval is now a string out-parameter to yylex.
19483         (HWS, EOID): New shorthand.
19484         (IWORD): Add a couple more types.
19485         (yylex): Add a setup stanza.  Remove the complex rules for
19486         detecting GTY'ed types and typedefs; replace with simple
19487         keyword detectors.  Adjust everything for the changed
19488         definition of yylval.  Ignore all pp-directives, not just #define.
19489         (yyerror): Delete.
19490         (parse_file): Rename yybegin; do not call yyparse.
19491         (yyend): New.
19492         * gengtype.c (xasprintf): Export again.
19493         (this_file): New.  Use everywhere __FILE__ was being used.
19494         (get_lang_bitmap): Special case types defined in gengtype.c.
19495         (do_typedef, new_structure): Suppress definition of certain types.
19496         (new_structure): Improve diagnostics of duplicate definitions.
19497         Make sure location_s is associated with input.h.
19498         (nreverse_pairs, define_location_structures): New functions.
19499         (main): Improve tagging of kludge types.  Remove old kludges
19500         for input.h types; use define_location_structures.
19501         * gengtype.h: Update prototypes.  Define token codes here.
19502         * Makefile.in: Remove all references to gengtype-yacc.
19503         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
19504         and gengtype.
19505         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
19506         add GTY((skip)) to the field that's only conditionally there.
19507         * doc/install.texi: Document that Bison is no longer required
19508         unless building treelang.
19509
19510         * gengtype.c: Don't include gtyp-gen.h.
19511         (srcdir): Declare here.
19512         (base_files, lang_dir_names): Allocate dynamically.
19513         (gt_files, num_gt_files, num_lang_dirs): New globals.
19514         (measure_input_list, read_input_line, read_input_list)
19515         (set_lang_bitmap): New functions.
19516         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
19517         simplify, relying on read_input_list to set up the bitmaps.
19518         (main): Arguments are no longer unused.  Check for correct number
19519         of command line arguments, set srcdir and srcdir_len, then call
19520         read_input_list, before doing anything else.  No need to worry
19521         about duplicates in main loop.
19522         * configure.ac: Simplify the calculation of all_gtfiles.
19523         Put language tags in there.  Don't set or substitute
19524         all_gtfiles_files_langs or all_gtfiles_files_frags.
19525         * Makefile.in: Revamp the way gengtype is invoked, now that it
19526         takes a file on its command line with a much simpler format.
19527         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
19528         (GTFILES): Remove duplicates and C source files.
19529         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
19530         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
19531         * configure: Regenerate.
19532
19533         * gengtype.h: Remove all type definitions to gengtype.c; leave
19534         only definitions of options_p, type_p, and pair_p as opaque
19535         pointers.  Update prototypes.
19536         * gengtype.c: Many type definitions moved here from gengtype.h.
19537         Consolidate type definitions at the top of the file.
19538         (xvasprintf): Delete.
19539         (xasprintf): Make static.
19540         (create_nested_pointer_option): Add 'next' parameter.
19541         (create_field_all, create_field_at): New functions.
19542         (create_field): Now a thin wrapper around create_field_all.
19543         (create_optional_field): Rename create_optional_field_ and add
19544         line argument.  Original name is now a macro which supplies
19545         __LINE__.
19546         (oprintf): Use vsnprintf directly.
19547         (close_output_files): Use fatal rather than perror/exit.
19548         (note_def_vec, note_def_vec_alloc): Use create_field_at.
19549         (main): Set progname.  Don't use exit.
19550         * gengtype-yacc.y (struct_fields): Use create_field_at.
19551         (option, optionseqopt): Delete.
19552         (optionseq): Consolidate productions from option here so we
19553         can use the first argument to create_option.
19554
19555         * gengtype-lex.l: Distinguish unions from structures in the
19556         token type.  Don't call find_structure; return the tag as a string.
19557         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
19558         ENT_UNION.  Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
19559         string.  Reorganize typedef_struct production accordingly.
19560         Use create_nested_ptr_option.
19561         * gengtype.c (create_nested_ptr_option): New function.
19562         * gengtype.h: Declare it.
19563
19564         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
19565         (string_type): Don't declare.
19566         (do_scalar_typedef): Declare.
19567         (create_scalar_type): Update prototype.
19568         * gengtype.c (string_type): Make static.
19569         (scalar_nonchar, scalar_char): New.
19570         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
19571         (resolve_typedef): Use scalar_nonchar for error recovery.
19572         (create_scalar_type): Remove name_len field.  Return scalar_char
19573         or scalar_nonchar as appropriate.
19574         (adjust_field_type): Look at scalar_is_char boolean to decide whether
19575         to use string_type.
19576         (throughout): Use scalar_nonchar instead of calling
19577         create_scalar_type, whenever possible.
19578         (main): Initialize scalar_char and scalar_nonchar before calling
19579         gen_rtx_next.
19580         * gengtype-lex.l: Adjust for removal of second argument to
19581         create_scalar_type.  Use yylval.s instead of yylval.t when
19582         returning SCALAR.
19583         * gengtype-yacc.y: Type of SCALAR is string.  Call
19584         create_scalar_type from type:SCALAR rule.  Adjust for removal of
19585         second argument to create_scalar_type.
19586
19587         * vec.h: Remove all #if IN_GENGTYPE blocks.
19588         Add comment saying that changes may require adjustments to gengtype.
19589         * gengtype.c: Don't include coretypes.h or tm.h.
19590         Add comment to inclusion of errors.h.
19591         (note_def_vec, note_def_vec_alloc): New functions.
19592         * gengtype.h: Declare new functions.
19593         * gengtype-lex.l: Don't include coretypes.h.
19594         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
19595         Delete.
19596         (update_lineno): Remove unnecessary prototype.
19597         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
19598         (VEC rule): Just return VEC_TOKEN.
19599         * gengtype-yacc.y (VEC_TOKEN): New token type.
19600         (type): Add a production for VEC(a,b).
19601         * Makefile.in: Update dependencies.
19602
19603         * gengtype-lex.l: Remove rules for parsing pointer-to-function
19604         typedefs that use the old PARAMS macro.
19605
19606         * gengtype-lex.l: Remove all rules and states relating to yacc
19607         input files.
19608         * gengtype-yacc.y: Similarly.
19609         * gengtype.c (note_yacc_type): Delete function.
19610         * gengtype.h: Update prototypes.
19611
19612 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
19613
19614         * tree-pretty-print.c (dump_generic_node): Report precision of
19615         unnamed integer types.
19616
19617 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
19618
19619         * ifcvt.c (noce_try_store_flag_constants): Don't check
19620         no_new_pseudos here.
19621         (noce_try_store_flag_constants): Don't check no_new_pseudos.
19622         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
19623         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
19624         noce_try_sign_mask): Likewise.
19625         (if_convert): Check no_new_pseudos here.
19626
19627         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
19628         Remove prototypes.
19629         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
19630         (noce_get_condition): Handle new then_else_reversed argument.
19631         (noce_init_if_info): Remove, fold into noce_find_if_block.
19632         (noce_process_if_block): Take a struct noce_if_info as the
19633         argument.  Don't set up one based on ce_if_info.  Update pointer
19634         references accordingly.
19635         (cond_move_process_if_block): Likewise.
19636         (process_if_block): Removed.
19637         (find_if_block): Removed.  Move functionality two new functions,
19638         noce_find_if_block and cond_exec_find_if_block.
19639         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
19640         blocks and the symmetric IF-ELSE-JOIN case.
19641         (cond_exec_find_if_block): Also new function mostly based on old
19642         find_if_block and process_if_block.
19643         (find_if_header): Replace find_if_block call with separately
19644         guarded calls to noce_find_if_block and cond_exec_find_if_block.
19645         (find_cond_trap): Update noce_get_condition call.
19646         (dead_or_predicable): Likewise.
19647
19648 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
19649
19650         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
19651         Remove.
19652         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
19653         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
19654         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
19655         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
19656         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
19657         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
19658         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
19659         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
19660         __builtin_ia32_psrad128 builtins.
19661
19662 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
19663
19664         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
19665         * config/i386/constraints.md
19666         (define_constraint "I"): Use IN_RANGE macro.
19667         (define_constraint "J"): Ditto.
19668         (define_constraint "K"): Ditto.
19669         (define_constraint "M"): Ditto.
19670         (define_constraint "N"): Ditto.
19671         (define_constraint "O"): Ditto.
19672         * config/i386/predicates.md
19673         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
19674         (define_predicate "const_0_to_3_operand"): Ditto.
19675         (define_predicate "const_0_to_7_operand"): Ditto.
19676         (define_predicate "const_0_to_15_operand"): Ditto.
19677         (define_predicate "const_0_to_63_operand"): Ditto.
19678         (define_predicate "const_0_to_255_operand"): Ditto.
19679         (define_predicate "const_1_to_31_operand"): Ditto.
19680         (define_predicate "const_2_to_3_operand"): Ditto.
19681         (define_predicate "const_4_to_7_operand"): Ditto.
19682
19683 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19684
19685         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
19686         in SImode for save_world.
19687         * config/rs6000/altivec.md (save_world, restore_world): Convert to
19688         LR hard reg.
19689
19690 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
19691
19692         PR tree-optimization/30784
19693         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
19694         BIT_FIELD_REF.
19695
19696 2007-03-25  Revital Eres  <eres@il.ibm.com>
19697
19698         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
19699           Fold movement_possibility function into it.
19700
19701 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19702
19703         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
19704         (load_macho_picbase_{si,di}): Convert to LR hard reg.
19705         (call_indirect_nonlocal_darwin64): Same.
19706         (call_nonlocal_darwin64): Same.
19707         (call_value_indirect_nonlocal_darwin64): Same.
19708         (call_value_nonlocal_darwin64): Same.
19709         (sibcall_nonlocal_darwin64): Same.
19710         (sibcall_value_nonlocal_darwin64): Same.
19711         (sibcall_symbolic_64): Same.
19712         (sibcall_value_symbolic_64): Same.
19713         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
19714         LR pseudo.
19715         (rs6000_emit_load_toc_table): Same.
19716         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
19717         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
19718         (mull_call): Same.
19719         (divss_call): Same.
19720         (divus_call): Same.
19721         (quoss_call): Same.
19722         (quous_call): Same.
19723         (load_toc_v4_pic_si): Same
19724         (load_toc_v4_PIC_1): Same.
19725         (load_toc_v4_PIC_1b): Same.
19726         (call_indirect_aix{32,64}): Same.
19727         (call_value_indirect_aix{32,64}): Same.
19728         (call): Same.
19729         (call_value): Same.
19730         (call_local{32,64}): Same.
19731         (call_value_local{32,64}): Same.
19732         (call_indirect_nonlocal_aix{32,64}): Same.
19733         (call_nonlocal_aix{32,64}): Same.
19734         (call_value_indirect_nonlocal_aix{32,64}): Same.
19735         (call_value_nonlocal_aix{32,64}): Same.
19736         (call_indirect_nonlocal_sysv<mode>): Same.
19737         (call_nonlocal_sysv<mode>): Same.
19738         (call_value_indirect_nonlocal_sysv<mode>): Same.
19739         (call_value_nonlocal_sysv<mode>): Same.
19740         (sibcall): Same.
19741         (sibcall_local{32,64}): Same.
19742         (sibcall_value_local{32,64}): Same.
19743         (sibcall_nonlocal_aix{32,64}): Same.
19744         (sibcall_value_nonlocal_aix{32,64}): Same.
19745         (sibcall_nonlocal_sysv<mode>): Same.
19746         (sibcall_value): Same.
19747         (sibcall_value_nonlocal_sysv<mode>): Same.
19748
19749 2007-03-24  Paul Brook  <paul@codesourcery.com>
19750
19751         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
19752         * config/arm/linux-eabi.h: Remove legacy syscall hack.
19753
19754 2007-03-24  Richard Henderson  <rth@redhat.com>
19755
19756         * config/ia64/constraints.md: New file.
19757         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
19758         satisfies_constraint_?.
19759         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
19760         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
19761         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
19762         ia64_output_mi_thunk): Likewise.
19763         (ia64_const_ok_for_letter_p): Remove.
19764         (ia64_const_double_ok_for_letter_p): Remove.
19765         (ia64_extra_constraint): Remove.
19766         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
19767         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
19768         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
19769         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
19770         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
19771         EXTRA_MEMORY_CONSTRAINT): Remove.
19772         * config/ia64/ia64.md: Include constriants.md.  Replace
19773         CONST_OK_FOR_? with satisfies_constraint_?.
19774
19775 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
19776             H.J. Lu  <hongjiu.lu@intel.com>
19777
19778         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
19779         DPD or BID name.
19780         (name macros): Use DPD_BID_NAME to convert names properly.
19781
19782         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
19783         decimal floating point format.
19784         (init_floating_libfuncs): Change decimal functions so that they
19785         have a "bid_" prefix if the decimal system uses the BID format,
19786         and "dpd_" prefix if the decimal system uses the DPD format.
19787         (init_interclass_conv_libfuncs): Ditto.
19788         (init_intraclass_conv_libfuncs): Ditto.
19789
19790         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19791         using the BID format.
19792
19793         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19794         whether we are using the BID decimal format.
19795         * configure: Regenerate.
19796
19797         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19798         the compiler has decimal floating point enabled.  Define
19799         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19800         instead of DPD.
19801
19802         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19803         using the BID format.
19804
19805         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19806         whether we are using the BID decimal format.
19807         * configure: Regenerate.
19808
19809         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19810         the compiler has decimal floating point enabled.  Define
19811         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19812         instead of DPD.
19813
19814         * doc/install.texi (--enable-decimal-float): Document BID and DPD
19815         options, and that it is enabled for i386/x86_64 systems.
19816
19817         * Makefile.in (enable_decimal_float): New.
19818         (DECNUMFMT): New.
19819         (DECNUMINC): Add  -I$(DECNUMFMT).
19820         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
19821         to $(DECNUMFMT) from $(DECNUM).
19822
19823         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
19824         Substitute enable_decimal_float.
19825         * configure: Regenerated.
19826
19827         PR other/30529
19828         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
19829         unsigned long.
19830
19831         * configure.ac: Enable decimal float for x86_64-*-linux*.
19832         * configure: Regenerated.
19833
19834         PR other/30530
19835         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
19836         decimal128ClearSign to flip and clear the sign bit in decimal128.
19837         (decimal_real_maxval): Set decimal128SetSign to set the sign
19838         bit in decimal128.
19839
19840 2007-03-23  Ian Lance Taylor  <iant@google.com>
19841
19842         * fold-const.c (fold_binary): Correct warning for X - c >= X.
19843
19844 2007-03-23  Ian Lance Taylor  <iant@google.com>
19845
19846         * tree-dump.c (dump_files): Correct comment.
19847
19848 2007-03-23  Ian Lance Taylor  <iant@google.com>
19849
19850         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
19851
19852 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
19853
19854         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
19855         in cfglayout mode.  Don't go into and out of cfglayout mode.
19856         Link the blocks in the order of the constructed traces.
19857         (rest_of_handle_tracer): Adjust call to tracer.
19858         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
19859         Don't go into cfglayout mode.
19860         (rtl_loop_done): Don't go out of cfglayout mode.
19861         * cfglayout.c (relink_block_chain): New function, split out from...
19862         (fixup_reorder_chain): ...here.  Remove redundant checking.
19863         (cfg_layout_finalize): Don't clear the header, footer, and aux
19864         fields here, move the code to do so to relink_block_chain.  Likewise
19865         for free_original_copy_tables.
19866         * rtl.h (tracer): Update prototype.
19867         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
19868         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
19869         mode.  Use relink_block_chain to serialize the CFG according to the
19870         new basic block order.  Move targetm.cannot_modify_jumps_p check from
19871         here...
19872         (gate_handle_reorder_blocks): ...to here.
19873         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
19874         from here...
19875         (gate_duplicate_computed_gotos): ...to here.
19876         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
19877         something always changes when going into and out of cfglayout mode.
19878         Perform an expensive cfg cleanup while going into cfglayout mode.
19879         Always update liveness information on HAVE_conditional_execution
19880         targets.  Reserialize the basic blocks and go out of cfglayout mode.
19881         * reg-stack.c: Include cfglayout.h.
19882         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
19883         the call to reorder_basic_blocks.
19884         * basic-block.h (reorder_basic_blocks): Update prototype.
19885         (relink_block_chain): New prototype.
19886         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
19887
19888 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
19889
19890         * config/mips/mips.md (type, hazard, *movdi_32bit,
19891         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
19892         *movhi_internal, *movqi_internal, *movsf_hardfloat,
19893         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
19894         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
19895         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
19896         applicable.
19897         (movcc): Change first xfer to multi.
19898         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
19899         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
19900         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
19901         config/mips/generic.md: Change reservations using "xfer" to use
19902         "mfc,mtc".
19903         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
19904         using match_operand.
19905         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
19906         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
19907         examining mode.
19908         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
19909
19910 2007-03-22  Richard Henderson  <rth@redhat.com>
19911
19912         * config/i386/i386.c: Remove unnecessary function declarations.
19913         Move targetm definition, and all related macros, to the end of
19914         the file.  Resort some functions to put definitions before uses.
19915         (ix86_attribute_table): Make static.  Move to end of file.
19916         (ix86_gimplify_va_arg): Make static.
19917
19918 2007-03-22  Richard Henderson  <rth@redhat.com>
19919
19920         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
19921         don't increase local_regparm with force_align_arg_pointer check.
19922         (ix86_function_sseregparm): Assert 32-bit.
19923         (type_has_variadic_args_p): New.
19924         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
19925         type_has_variadic_args_p.
19926         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
19927         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
19928         use memset instead.  Do maybe_vaarg check first; skip attribute
19929         tests if true; skip attribute tests for 64-bit.
19930         (construct_container): Remove TARGET_DEBUG_ARG.
19931         (function_arg_advance_32, function_arg_advance_64): Split out ...
19932         (function_arg_advance): ... from here.
19933         (function_arg_32, function_arg_64): Split out ...
19934         (function_arg): ... from here.
19935         (ix86_pass_by_reference): Tidy.
19936         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
19937         (function_value_32): New, from parts of ix86_function_value
19938         and ix86_value_regno.
19939         (function_value_64): New, from parts of ix86_function_value
19940         and ix86_libcall_value.
19941         (ix86_function_value_1): New.
19942         (ix86_function_value, ix86_libcall_value): Use it.
19943         (return_in_memory_32, return_in_memory_64): Split out ...
19944         (ix86_return_in_memory): ... from here.
19945         (ix86_struct_value_rtx): Skip for 64-bit.
19946         (ix86_libcall_value, ix86_value_regno): Remove.
19947         (setup_incoming_varargs_64): Split out ...
19948         (ix86_setup_incoming_varargs): ... from here.
19949         (ix86_va_start): Remove TARGET_DEBUG_ARG.
19950         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
19951         * config/i386/i386-protos.h (ix86_function_value): Remove.
19952         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
19953
19954 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19955
19956         PR other/23572
19957         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
19958         infinities not supported, otherwise emit warning if -Woverflow. On
19959         underflow, emit warning if -Woverflow.
19960         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
19961         and 0 otherwise.
19962         * real.h (real_from_string): Update declaration
19963
19964 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
19965             Richard Henderson  <rth@redhat.com>
19966
19967         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
19968         * calls.c (compute_argument_block_size, expand_call,
19969         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
19970         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
19971         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
19972         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
19973         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
19974         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
19975         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
19976         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
19977         Set to 1.
19978
19979 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
19980
19981         * c-incpath.c (add_sysroot_to_chain): New.
19982         (merge_include_chains): Add sysroot argument.  Call
19983         add_sysroot_to_chain if sysrooted.
19984         (register_include_chains): Update call to merge_include_chains.
19985         * doc/cppopts.texi: Document use of '=' in include directory
19986         arguments.
19987
19988 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
19989
19990         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
19991         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
19992         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
19993         insn pattern using X87MODEF12 mode macro.
19994
19995 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
19996
19997         * regmove.c (regmove_optimize): Use reg_mentioned_p
19998         instead of reg_overlap_mentioned_p for DST.
19999
20000 2007-03-21  Mike Stump  <mrs@apple.com>
20001
20002         * c.opt: Fixup for Objective-C/C++.
20003
20004 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
20005
20006         * explow.c (convert_memory_address): Fold memory reference when
20007         POINTERS_EXTEND_UNSIGNED < 0
20008
20009 2007-03-21  Richard Henderson  <rth@redhat.com>
20010
20011         PR target/31245
20012         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
20013         * config/i386/mmintrin.h (__m64): Likewise.
20014         * config/i386/xmmintrin.h (__m128): Likewise.
20015
20016 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20017
20018         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
20019         (VXWORKS_OS_CPP_BUILTINS): Define.
20020         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
20021         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
20022
20023 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20024
20025         * rtl.h (constant_pool_reference_p): Delete.
20026         (find_constant_src): Declare.
20027         * rtlanal.c (find_constant_src): New function.
20028         * simplify-rtx.c (constant_pool_reference_p): Delete.
20029         * config/i386/i386.md: Use find_constant_src instead of
20030         constant_pool_reference_p/avoid_constant_pool_reference pairs.
20031
20032 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20033
20034         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
20035         * c-cppbuiltin.c (c_cpp_builtins): Define them.
20036
20037 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
20038
20039         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
20040         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
20041         (arm_elf_asm_constructor): Use it.
20042         (arm_elf_asm_destructor): New function.
20043
20044 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
20045
20046         * jump.c (mark_jump_label): Treat SEQUENCE specially.
20047
20048 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
20049
20050         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
20051
20052 2007-03-19  Andrew Haley  <aph@redhat.com>
20053
20054         PR tree-optimization/31264
20055         * tree-vrp.c (register_edge_assert_for_1): Don't look though
20056         VIEW_CONVERT_EXPRs.
20057
20058 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
20059
20060         PR rtl-optimization/30907
20061         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
20062         (fwprop_init): Always call loop_optimizer_initialize.
20063         (fwprop_done): Always call loop_optimizer_finalize.
20064         (fwprop): We always have loop info now.
20065         (gate_fwprop_addr): Remove.
20066         (pass_fwprop_addr): Use gate_fwprop as gate.
20067
20068         PR rtl-optimization/30841
20069         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
20070         df_chain_alloc): Call df_reorganize_refs unconditionally.
20071         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
20072         refs_organized to refs_organized_size.
20073         (df_ref_create_structure): Use refs_organized_size instead of
20074         bitmap_size if refs had been organized, and keep refs_organized_size
20075         up-to-date.
20076         * df.h (struct df_ref_info): Change refs_organized to
20077         refs_organized_size.
20078         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
20079         bitmap_size.
20080
20081 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
20082
20083         * except.c (output_function_exception_table): Do not reference the
20084         EH personality routine for functions that do not require an
20085         exception table.
20086
20087 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
20088
20089         PR c/30762
20090         * c-typeck.c (convert_for_assignment): Call comptypes for
20091         RECORD_TYPE or UNION_TYPE.
20092
20093         PR inline-asm/30505
20094         * reload1.c (reload): Do invalid ASM checking after
20095         cleanup_subreg_operands.
20096
20097 2007-03-19  Jeff Law  <law@redhat.com>
20098
20099         * tree-cfg.c (find_taken_edge): Tighten conditions for
20100         optimizing computed gotos.
20101
20102 2007-03-19  Michael Matz  <matz@suse.de>
20103
20104         * builtins.c (expand_builtin_sync_operation,
20105         expand_builtin_compare_and_swap,
20106         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
20107         correctly.
20108
20109         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
20110         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
20111         for operand 3.
20112
20113 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20114
20115         * doc/tm.texi: Add brackets around the return type of
20116         TARGET_SECONDARY_RELOAD.
20117
20118 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20119         Richard Guenther  <rguenther@suse.de>
20120
20121         PR tree-optimization/31254
20122         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
20123         Use handled_component_p () where appropriate.  Continue
20124         propagating into the rhs if we propagated into an INDIRECT_REF
20125         on the lhs.
20126
20127 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20128
20129         * config/s390/s390.md (op_type attribute): RRR instruction type added.
20130         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
20131         (xde, xdee): Mode attributes adjusted to support DFP modes.
20132         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
20133         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
20134         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
20135         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
20136         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
20137         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
20138         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
20139         numbers.
20140         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
20141         "movsf"): Insn definitions removed.
20142         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
20143         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
20144         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
20145         definitions added.
20146         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
20147         "reload_in<mode>", "reload_out<mode>"): Expander added.
20148         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
20149         Expander removed.
20150
20151 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20152
20153         * config/s390/s390.md: Only non-functional changes.  Renamed
20154         FPR mode macro to BFP all over the file.
20155
20156 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20157
20158         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
20159         (op_type attribute): RRF instruction type added.
20160         (fT0): New mode attribute.
20161         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
20162         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
20163         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
20164         instruction no secondary memory is needed when moving DFmode values
20165         between GPRs and FPRs.
20166
20167 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20168
20169         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
20170         inverted and documentation adjusted.
20171         ("mhard-dfp", "msoft-dfp"): New options.
20172         * config/s390/s390.c (s390_handle_arch_option): New architecture
20173         switch: z9-ec.
20174         (override_options): Sanity checks for the new options added.
20175         * config.gcc: New architecture switch: z9-ec.
20176         * config/s390/s390.h (processor_flags): PF_DFP added.
20177         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
20178         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
20179         when the bit is NOT set so remove it from the defaults.
20180
20181 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20182
20183         * genemit.c (main): Print include statement for dfp.h.
20184         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
20185         is not available.
20186
20187 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
20188
20189         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
20190
20191 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
20192
20193         PR target/31022
20194         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
20195         instead of PATTERN.
20196
20197 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20198
20199         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
20200         attr_length_call, output_call, output_indirect_call): Cleanup
20201         formatting of targetm calls.
20202
20203 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
20204
20205         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
20206
20207 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20208
20209         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
20210         reservation, bypass and anti-bypass descriptions for these
20211         instructions.  Update move patterns.
20212         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
20213         TYPE_FPSTORE.
20214
20215 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
20216
20217         * tree-vect-transform.c (get_initial_def_for_induction): Replace
20218         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
20219         (get_initial_def_for_reduction): Likewise.
20220
20221 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
20222
20223         Fix PR tree-optimization/29922
20224         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
20225         (get_representative): Removed.
20226         (value_dies_in_block_x): Update for rvuse removal.
20227         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
20228         (compute_antic_aux): Handle when PHI nodes appear in
20229         non-single-successors.
20230         (dump_bitmap_of_names): Removed.
20231         (compute_antic_safe): Renamed and removed rvuse calculation.
20232         Calculate only antic safe.
20233         (insert_into_preds_of_block): Remove assert.
20234         (execute_pre): Update for renamed functions.
20235         (defer_or_phi_translate_block): New function.
20236
20237 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20238
20239         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
20240         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
20241         typos.
20242         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
20243         Follow spelling conventions.
20244
20245         * tree-data-ref.h: Remove the prototype for analyze_array.
20246
20247 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
20248
20249         PR tree-optimization/31041
20250         * tree-vect-transform.c (get_initial_def_for_induction): Call
20251         force_gimple_operand.
20252
20253 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
20254
20255         * ipa-type-escape.c (look_for_casts) : Revert code to use
20256         handled_component_p due to ada test a-numaux.adb.
20257
20258 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20259
20260         * final.c (final_scan_insn): Alter the condition of a
20261         conditional trap if we have nonstandard CC.
20262
20263 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20264
20265         * configure.ac: Remove excess quoting from asm line 0 test.
20266         * configure: Rebuilt.
20267
20268 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20269
20270         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
20271         * c-common.c (convert_and_check): Move warning logic to...
20272         (warnings_for_convert_and_check): ...here. Define.
20273         * c-common.h (warnings_for_convert_and_check): Declare.
20274
20275 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20276
20277         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
20278         (output_call): Likewise.
20279
20280 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20281
20282         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
20283
20284 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20285
20286         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
20287
20288 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
20289
20290         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
20291         opteron, athlon-64 and athlon-fx processor_alias_table entries.
20292
20293 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
20294
20295         PR tree-optimization/31183
20296         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
20297         Use double_int instead of unsigned int for representing access_strides.
20298         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
20299
20300 2007-03-16  Richard Guenther  <rguenther@suse.de>
20301
20302         PR tree-optimization/31146
20303         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
20304         to allow recursion of forward_propagate_addr_expr.
20305         (forward_propagate_addr_into_variable_array_index): Likewise.
20306         (forward_propagate_addr_expr): Likewise.
20307         (tree_ssa_forward_propagate_single_use_vars): Likewise.
20308         (forward_propagate_addr_expr_1): Recurse on simple copies
20309         instead of propagating into them.  Do so for useless conversions
20310         as well.
20311         (forward_propagate_addr_expr): Clean up unused statements after
20312         recursion.
20313
20314 2007-03-16  Richard Guenther  <rguenther@suse.de>
20315
20316         * builtins.c (expand_builtin_cexpi): Use the right argument
20317         for the expansion via cexp.
20318
20319 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20320
20321         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
20322         * configure: Rebuilt.
20323
20324 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20325
20326         PR debug/29906
20327         * dwarf2out.c (force_type_die): Adjust comment.
20328         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
20329
20330 2007-03-15  DJ Delorie  <dj@redhat.com>
20331
20332         * config/frv/predicates.md (minmax_operator): Don't check operands
20333         here.
20334
20335 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20336
20337         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
20338         Update constant estimates of number of iterations.
20339         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
20340         argument renamed to "realistic".
20341         (compute_estimated_nb_iterations): Removed.
20342         (record_niter_bound): New function.
20343         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
20344         call record_nonwrapping_iv with upper = false.
20345         (infer_loop_bounds_from_signedness): Pass upper argument to
20346         record_nonwrapping_iv.
20347         (estimate_numbers_of_iterations_loop): Do not call
20348         compute_estimated_nb_iterations.  Record estimate based on profile
20349         information.  Initialize the constant estimates of number of
20350         iterations.
20351         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
20352         estimates.
20353         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
20354         number of iterations is too small.
20355         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
20356         (EST_NOT_AVAILABLE): Removed.
20357         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
20358         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
20359         fields.
20360
20361 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20362
20363         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
20364         Handle NE_EXPR guards.
20365
20366 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20367
20368         PR c++/24924
20369         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
20370         Set also -pedantic-errors by default for the  preprocessor unless
20371         -fpermissive is given.
20372
20373 2007-03-15  Richard Guenther  <rguenther@suse.de>
20374
20375         PR middle-end/29719
20376         PR middle-end/31161
20377         * builtins.c (expand_builtin_cexpi): As a fallback if we
20378         don't have builtins for sincos or cexp create a function
20379         declaration for cexp and expand to a call to that.
20380         (expand_builtin_int_roundingfn): Always fall
20381         back to floor/ceil and its variants even if they may be
20382         not available.
20383
20384 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
20385
20386         PR middle-end/31159
20387         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
20388         jump tables, move the call to delete_dead_jumptables from here...
20389         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
20390         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
20391         don't allow merging of blocks that try_redirect_by_replacing_jump
20392         also does not handle when not optimizing.
20393
20394 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20395             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
20396
20397         * config/i386/i386.md (x86_sahf_1): Correctly handle
20398         HAVE_AS_IX86_SAHF.
20399
20400 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20401
20402         PR target/31167
20403         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
20404         x86_64_general_operand as operand[2] predicate.  Remove "iF"
20405         from operand constraints and use "e" constraint instead.
20406         (*subti3_1, *subti3_1 splitter): Ditto.
20407         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
20408         operand[1] predicate.
20409
20410 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
20411
20412         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
20413         arrays, multiply the access strides by the size of the sub-array.
20414         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
20415
20416 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20417
20418         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
20419         the configured assembler supports the sahf mnemonic.
20420         * configure: Regenerate.
20421         * config.in: Regenerate.
20422
20423         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
20424         emit "sahf" or ".byte\t0x9e" as asm template.
20425
20426 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
20427
20428         PR 31018
20429         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
20430         option to replace hard coded TARGET_xxx in md file.
20431         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
20432         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20433         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
20434         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
20435         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
20436         (X86_TUNE_NOT_VECTORMODE): Ditto.
20437         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
20438         (TUNE_AVOID_VECTOR_DECODE): Ditto.
20439         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20440         (TUNE_SLOW_IMUL_IMM8): Ditto.
20441         (TUNE_MOVE_M1_VIA_OR): Ditto.
20442         (TUNE_NOT_UNPAIRABLE): Ditto.
20443         (TUNE_NOT_VECTORMODE): Ditto.
20444
20445         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
20446         options.
20447
20448         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
20449         tuning options instead of hard coded TARGET_xxx.
20450         (fix ssemode peephole2's): Ditto.
20451         (imul peephole2's): Ditto.
20452         (movsi_or): Ditto.
20453         (movdi_or_rex64): Ditto.
20454         (move peephole2): Ditto.
20455         (not peephole2's): Ditto.
20456
20457 2007-03-14  Dirk Mueller  <dmueller@suse.de>
20458
20459         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
20460         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
20461         * c-parser.c (c_parser_if_body): Always add an empty statement in case
20462         of empty body.
20463         * c-parser.c (c_parser_do_statement): Warn about empty body in
20464         do/while statement.
20465         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
20466         * doc/invoke.texi (-Wempty-body): Update documentation.
20467
20468 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20469
20470         PR c/21438
20471         * c-common.h (warn_for_div_by_zero): Declare.
20472         * c-common.c (warn_for_div_by_zero): Define.
20473         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
20474         warning.
20475
20476 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20477
20478         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
20479         to PREFIX and STANDARD_PREFIX.
20480
20481 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20482             Phil Edwards  <phil@codesourcery.com>
20483
20484         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
20485         (__gthread_once_t): Remove busy field for RTPs.
20486         (__GTHREAD_ONCE_INIT): Update accordingly.
20487
20488 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20489
20490         * doc/invoke.texi: Document VxWorks options.
20491
20492 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20493
20494         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
20495
20496 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
20497
20498         PR tree-optimization/30590
20499         * tree-nrv.c (tree_nrv): Check for the partial update of the
20500         return value.
20501
20502 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20503
20504         * flags.h (flag_random_seed): Remove declaration, in favor of...
20505         * toplev.h (get_random_seed, set_random_seed): ... these.
20506         * tree.c (get_file_function_name): Use the former.
20507         * opts.c (common_handle_option): Use the latter.
20508         * toplev.c
20509
20510 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
20511
20512         PR middle-end/31127
20513         * cse.c (cse_find_path): Do not bail out if a basic block that
20514         we already visited now becomes part of a path that starts at a
20515         different basic block.  Just disallow this, to make sure we
20516         visit each basic block at most once.
20517
20518 2007-03-13  Jan Hubicka  <jh@suse.cz>
20519
20520         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
20521         attributes, when profile esitmate is present, calls with very low
20522         frequency are cold.
20523
20524 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
20525
20526         PR tree-optimization/30730
20527         PR tree-optimization/26900
20528         * tree-ssa-loop-niter.c: Include gmp.h.
20529         (bounds): New type.
20530         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
20531         split_to_var_and_offset, determine_value_range,
20532         bound_difference_of_offsetted_base, refine_bounds_using_guard,
20533         bound_difference, bounds_add, bounds_negate,
20534         number_of_iterations_ne_max, dump_affine_iv): New functions.
20535         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20536         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
20537         difference of initial and final value of control iv to validate
20538         results.
20539         (number_of_iterations_cond): Add loop parameter.  Determine bounds
20540         on the difference of the extremes of the control iv.  Add dumps.
20541         (expand_simple_operations): Handle phi nodes.
20542         (simplify_using_initial_conditions): Do not record used conditions.
20543         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
20544         Do not set additional_info.
20545         (implies_nonnegative_p, implies_ge_p): Removed.
20546         (derive_constant_upper_bound): Do not use parameter `additional'.
20547         (record_estimate): Parameter `additional' removed.  Parameter
20548         `i_bound' added.  Do not call derive_constant_upper_bound.
20549         (record_nonwrapping_iv): Use derive_constant_upper_bound to
20550         bound the number of iterations estimate.
20551         (estimate_numbers_of_iterations_loop): Pass the estimate from
20552         the number of iterations analysis to record_estimate.
20553         * tree.h (multiple_of_p): Declare.
20554         * tree-scalar-evolution.c (expression_expensive_p): Removed.
20555         (scev_const_prop): Do not check expression_expensive_p.
20556         * fold-const.c (multiple_of_p): Exported.
20557         * double-int.c (double_int_mask): Exported.
20558         * double-int.h (double_int_mask): Declare.
20559         * tree-flow.h (struct tree_niter_desc): Removed additional_info
20560         field.  Added max field.
20561
20562 2007-03-13  David Taylor  <taylor@candd.org>
20563
20564         PR driver/12448:
20565         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
20566         default -MQ.
20567
20568 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20569
20570         PR target/31123
20571         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
20572         two unamed patterns.
20573
20574 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
20575
20576         * config/i386/i386.opt (mcx16, msahf): New options.
20577         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
20578         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
20579
20580         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
20581         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
20582         Output -mcx16 and -msahf options when corresponding bit is set.
20583
20584         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
20585         and -msahf options.
20586
20587 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20588
20589         * configure.ac: Test for assembler tolerance to # 0 "".
20590         * configure, config.in: Rebuilt.
20591         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
20592
20593 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
20594
20595         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
20596
20597         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
20598         (handle_syscall): Handle direct system calls.
20599         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
20600
20601 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20602
20603         * doc/invoke.texi: Fix cpp.info cross-reference.
20604         * doc/passes.texi: Fix gcc.info cross-reference.
20605
20606 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
20607
20608         PR tree-optimization/30835
20609         * lambda-code.c (can_convert_to_perfect_nest): Check whether
20610         bb_for_stmt is not NULL before accessing it.
20611
20612 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
20613
20614         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
20615         some multilibs.
20616
20617 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20618
20619         PR 30635
20620         * doc/install.texi: Document --enable-stage1-languages
20621
20622 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
20623
20624         * tree-pass.h (pass_into_cfg_layout_mode,
20625         pass_outof_cfg_layout_mode): Declare.
20626         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
20627         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
20628         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
20629         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
20630
20631 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
20632
20633         * c-decl.c (warn_variable_length_array): New function.
20634         Refactored from grokdeclarator to handle warn_vla
20635         and handle unnamed array case.
20636         (grokdeclarator): Refactored VLA warning case.
20637         * c.opt (Wvla): New flag.
20638         * doc/invoke.texi (Wvla): New warning.
20639
20640 2007-03-12  Richard Henderson  <rth@redhat.com>
20641
20642         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
20643         (TARGET_SECTION_TYPE_FLAGS): New.
20644
20645 2007-03-12  Richard Henderson  <rth@redhat.com>
20646
20647         * config/darwin.c (machopic_reloc_rw_mask): New.
20648         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
20649         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
20650
20651 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
20652
20653         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
20654         * cppdefault.h (cpp_PREFIX): Document.
20655         (cpp_PREFIX_len): Likewise.
20656         (cpp_EXEC_PREFIX): New variable.
20657         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
20658         * c-incpath.c (add_standard_paths): Correct logic for relocating
20659         paths within prefix.
20660
20661 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
20662
20663         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
20664         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
20665         mode macro.
20666         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
20667         fix_truncdfdi_sse using SSEMODEF mode macro.
20668         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
20669         fix_truncdfsi_sse using SSEMODEF mode macro.
20670         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
20671         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
20672
20673 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
20674
20675         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
20676         elfos.h to tm_file.
20677
20678 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
20679
20680         * tree.h : Add multiple_of_p declaration.
20681         * fold-const.c (multiple_of_p): Make multiple_of_p public.
20682         * ipa-type-escape.c (results_of_malloc): Redundant.
20683         (visited_stmts): New. Visited stmt for walk_use_def_chains.
20684         (cast_type): Extended with new members.
20685         (check_cast): Returns cast_type.
20686         (cast): New structure for data of walk_use_def_chains.
20687         (is_malloc_result, is_cast_from_non_pointer_1,
20688         is_cast_from_non_pointer,
20689         is_array_access_through_pointer_and_index): New functions.
20690         (look_for_casts): Returns cast types.
20691         (check_call): Returns void.
20692         (okay_pointer_operation): Use support of pointer plus index,
20693         pointer plus constant and allow all multiplications.
20694
20695 2007-03-11  Richard Guenther  <rguenther@suse.de>
20696
20697         PR tree-optimization/31115
20698         * tree-vrp.c (extract_range_from_binary_expr): Make sure
20699         the shift count is positive and non-anti-range for RSHIFT_EXPR.
20700         A shift count of zero is not special as with *_DIV_EXPR.
20701         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
20702         direction.
20703
20704 2007-03-11  Ian Lance Taylor  <iant@google.com>
20705
20706         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
20707         the *_DIV_EXPR codes correctly with overflow infinities.
20708
20709 2007-03-11  Ira Rosen  <irar@il.ibm.com>
20710
20711         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
20712         indicate success/failure of the analysis. Add negation to subtrahend
20713         in case of subtraction. Fail if both operands contain constants.
20714         (create_data_ref): Fail if analyze_offset fails.
20715
20716 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
20717
20718         * config/i386/i386.md (frndintxf2): Rename to ...
20719         (rintxf2): ... this. Remove expander having same name.
20720         (rintsf2, rintdf2): Implement using SSEMODEF macro.
20721         (roundsf2, rounddf2): Ditto.
20722         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
20723         (lround<mode>di2, lround<mode>si2): Ditto.
20724
20725 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
20726
20727         * lower-subreg.c: Include except.h.
20728         (decompose_multiword_subregs): Verify that the only control flow
20729         insns we can split are loads to multi-words pseudos.
20730         Handle breaking such blocks after splitting, instead of calling
20731         find_many_sub_basic_blocks.
20732
20733         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
20734         on the new basic block.  Add a lengthy comment explaining why we
20735         thought this was necessary.
20736         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
20737
20738 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
20739
20740         PR c++/30924
20741         * tree.c (walk_type_fields): Recurse into the element type of
20742         ARRAY_TYPEs if there is a pointer set.
20743
20744 2007-03-10  Dirk Mueller  <dmueller@suse.de>
20745
20746         * c-common.c (warn_logical_operator): Fix condition.
20747
20748 2007-03-10  Tobias Schlï¿½ter  <tobi@gcc.gnu.org>
20749
20750         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
20751         quotation mark.
20752         * config/darwin.c (machopic_select_section): Remove superfluous
20753         argument in call to categorize_decl_for_section.  Remove unused
20754         variable shlib.
20755
20756 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
20757
20758         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
20759         defined.
20760         * configure: Regenerate.
20761
20762 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
20763
20764         PR target/31101
20765         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
20766         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
20767         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
20768         Add LABEL_NUSES to emitted label.
20769         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
20770         branch probability value to emitted jump insn.
20771         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
20772         Do not check life information and do not re-arrange input operands
20773         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
20774
20775 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20776
20777         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
20778         the change of decode_asm_operands.
20779
20780 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20781
20782         * mode-switching.c (create_pre_exit): Skip blockage insn.
20783
20784 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
20785
20786         * tree-pass.h (TODO_update_smt_usage): Remove.
20787         Update all users.
20788         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
20789         argument SOME.
20790         Update all users.
20791
20792 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20793
20794         * pa.c (attr_length_call): Revise condition for long
20795         pc-relative branch.
20796         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
20797         local calls on the SOM target.  Don't use "LONG_PIC_PCREL" call
20798         sequence on SOM target.
20799
20800 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
20801
20802         * gcc.c: Document %{, in big comment at top.
20803         (input_suffix_matches): Remove special handling for .s and
20804         .S.
20805         (input_spec_matches): New.
20806         (handle_braces): Handle %{,.
20807         (validate_switches): ',' indicates a value which is not a switch.
20808         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
20809         to detect assembler input.
20810         * config/i386/sol2.h (CPP_SPEC): Likewise.
20811         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
20812         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
20813         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
20814         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
20815         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
20816         -m64 causes deployment target to default to 10.5.
20817         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
20818
20819 2007-03-09  Richard Henderson  <rth@redhat.com>
20820
20821         PR target/26090
20822         * target.h (targetm.asm.out.reloc_rw_mask): New.
20823         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
20824         (TARGET_ASM_OUT): Use it.
20825         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
20826         * varasm.c (categorize_decl_for_section): Remove shlib argument;
20827         use the new reloc_rw_mask target hook instead.
20828         (default_section_type_flags_1): Merge into...
20829         (default_section_type_flags): ... here.
20830         (decl_readonly_section_1): Merge into...
20831         (decl_readonly_section): ... here.
20832         (default_elf_select_section_1): Merge into...
20833         (default_elf_select_section): ... here.
20834         (default_unique_section_1): Merge into...
20835         (default_unique_section): ... here.
20836         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
20837         (default_select_rtx_section): Use it.
20838         (default_elf_select_rtx_section): Likewise.
20839         * output.h: Update to match.
20840         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
20841         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
20842         (TARGET_ASM_RELOC_RW_MASK): New.
20843         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
20844         to categorize_decl_for_section.
20845         (x86_64_elf_unique_section): Likewise.
20846         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
20847         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
20848         (TARGET_ASM_RELOC_RW_MASK): New.
20849         * config/ia64/ia64.c (ia64_rwreloc_select_section,
20850         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
20851         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
20852         (TARGET_RWRELOC): Remove.
20853         (ia64_section_type_flags): Adjust call to default_section_type_flags.
20854         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20855         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
20856         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
20857         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
20858         (rs6000_xcoff_select_section): Use decl_readonly_section.
20859         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
20860         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20861         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
20862         (TARGET_SECTION_TYPE_FLAGS): Remove.
20863         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
20864
20865 2007-03-09  Roger Sayle  <roger@eyesopen.com>
20866
20867         * fold-const.c (fold_comparison): Remove compile-time evaluation of
20868         complex constant equality/inequality comparisons for here.
20869         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
20870         known at compile-time or can be simplified to a scalar comparison.
20871         (fold_relational_const): Move compile-time evaluation of complex
20872         constant equality/inequality comparisons to here.
20873
20874 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20875
20876         PR rtl-optimization/30643
20877         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
20878         dest_addr_elt.
20879         (fold_rtx): Recurse, like before 2006-11-03.
20880
20881 2007-03-09  DJ Delorie  <dj@redhat.com>
20882
20883         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
20884         m32c-pragma.o.
20885
20886 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
20887
20888         PR tree-optimization/30375
20889         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
20890         LHS of statements is not the same.
20891         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
20892
20893 2007-03-09  Chao-ying Fu  <fu@mips.com>
20894
20895         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
20896         REV 2.
20897         * doc/invoke.texi (-mdspr2): Document new option.
20898         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
20899         New unspec for DSP REV 2.
20900         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
20901         these instructions are extended in DSP REV 2.
20902         (mips-dspr2.md): Include.
20903         * config/mips/mips.opt (mdspr2): New option.
20904         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
20905         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
20906         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
20907         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
20908         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
20909         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
20910         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
20911         and 2 builtins.
20912         (bdesc_map): Add one field of unsupported_target_flags.
20913         (bdesc_arrays): Update entries to have extra fields.  Add
20914         dsp_32only_bdesc.
20915         (mips_init_builtins): Initialize new function types.
20916         Check unsupported_target_fileds to filter out builtins.
20917         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
20918         TARGET_DSPR2.
20919         (ASM_SPEC): Pass mdspr2 to the assembler.
20920         * config/mips/mips-dspr2.md: New file.
20921
20922 2007-03-09  Sa Liu  <saliu@de.ibm.com>
20923
20924         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
20925
20926 2007-03-09  Ian Lance Taylor  <iant@google.com>
20927
20928         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
20929         argument) like -Wstrict-overflow=2.
20930         * doc/invoke.texi (Warning Options): Update documentation.
20931
20932 2007-03-09  Dirk Mueller  <dmueller@suse.de>
20933
20934         PR c++/17946
20935         * doc/invoke.texi (-Wlogical-op): Document.
20936         * common.opt (-Wlogical-op): New.
20937         * c-common.h (warn_logical_operator): Declare.
20938         * c-common.c (warn_logical_operator): Define.
20939         * c-typeck.c (parser_build_binary_op): Call
20940         warn_logical_operator.
20941
20942 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20943
20944         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
20945         * final.c (final_scan_insn): Test for non-"" file name.
20946
20947 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
20948
20949         * doc/loop.texi: Document the Omega linear constraints solver.
20950         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
20951         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
20952         omega-hash-table-size, omega-max-keys, and
20953         omega-eliminate-redundant-constraints.
20954         * tree-pass.h (pass_check_data_deps): Declared.
20955         * omega.c: New.
20956         * omega.h: New.
20957         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
20958         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
20959         pass_check_data_deps): New.
20960         * tree-data-ref.c (init_data_ref): Remove declaration.
20961         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
20962         (analyze_array): Renamed init_array_ref, move up initializations.
20963         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
20964         Removed arguments that are set to NULL.
20965         (analyze_indirect_ref): Correct indentation, correct call to
20966         init_pointer_ref.
20967         (object_analysis): Call init_array_ref instead of analyze_array.
20968         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
20969         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
20970         of DR_ACCESS_FNS_ADDR.
20971         (init_omega_eq_with_af, omega_extract_distance_vectors,
20972         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
20973         ddr_consistent_p): New.
20974         (compute_affine_dependence): Check consistency of ddrs when
20975         flag_check_data_deps is passed.
20976         (analyze_all_data_dependences): Uncomment.
20977         (tree_check_data_deps): New.
20978         * tree-data-ref.h: Include omega.h.
20979         (DR_ACCESS_FNS_ADDR): Removed.
20980         (data_dependence_relation): Add inner_loop.
20981         (DDR_INNER_LOOP): New.
20982         * common.opt (fcheck-data-deps): New.
20983         * tree-flow.h (tree_check_data_deps): Declare.
20984         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
20985         (OBJS-common): Depend on omega.o.
20986         (omega.o): Define.
20987         * passes.c (pass_check_data_deps): Scheduled.
20988         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
20989         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
20990         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
20991         PARAM_VECT_MAX_VERSION_CHECKS,
20992         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
20993
20994 2007-03-09  Richard Guenther  <rguenther@suse.de>
20995
20996         PR tree-optimization/30904
20997         PR middle-end/31058
20998         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
20999         the same way as *_DIV_EXPR.
21000
21001 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21002
21003         * recog.c (decode_asm_operands): No mixed declarations and code.
21004
21005 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21006
21007         * rtl.def (ASM_INPUT): Add location.
21008         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
21009         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
21010         (decode_asm_operands): Add loc operand.
21011         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
21012         * stmt.c (expand_asm): Rename to...
21013         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
21014         gen_rtx_ASM_INPUT_loc.
21015         (expand_asm_expr): Adjust.
21016         * recog.c (decode_asm_operands): Add loc operand.
21017         (check_asm_operands, extract_insn): Adjust.
21018         * reload1.c (maybe_fix_stack_asms): Likewise.
21019         * final.c (asm_insn_count): Likewise.
21020         (final_scan_insn): Output # line before and after asm.
21021
21022 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
21023
21024         * tree-ssa-structalias.c (variable_info): Remove
21025         finished_solution.
21026         (new_var_info): Ditto.
21027         (shared_bitmap_info_t): New structure.
21028         (shared_bitmap_table): New variable.
21029         (shared_bitmap_hash): New function.
21030         (shared_bitmap_eq): Ditto
21031         (shared_bitmap_lookup): Ditto.
21032         (shared_bitmap_add): Ditto.
21033         (merge_smts_into): Change to take bitmap directly.
21034         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
21035         (init_alias_vars): Init shared bitmap hashtable.
21036         (delete_points_to_sets): Delete shared bitmap hashtable.
21037         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
21038         is_aliased removal as a change that was still necessary was
21039         deleted.
21040
21041 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
21042
21043         * config/i386/i386.h (override_options): Conditionally disable
21044         x86_sahf for 64bit targets only.
21045
21046 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21047
21048         PR C/31072
21049         * c-decl.c (merge_decls): Don't call make_var_volatile.
21050         * varasm.c (make_var_volatile): Remove.
21051         * output.h (make_var_volatile): Remove.
21052
21053 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
21054
21055         PR tree-optimization/31085
21056         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
21057
21058 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21059
21060         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
21061         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
21062         ATTR_CONST_NOTHROW_LIST.
21063
21064         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
21065         FIX_TRUNC_EXPR.
21066
21067 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
21068
21069         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
21070
21071 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
21072
21073         PR 31013
21074         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
21075         is declared.
21076         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
21077         passed, use shared libgcc.
21078
21079 2007-03-08  Roger Sayle  <roger@eyesopen.com>
21080
21081         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
21082         instead of calling build2 with a GIMPLE_MODIFY_STMT.
21083         (honor_protect_cleanup_actions, lower_try_finally_switch):
21084         Likewise.
21085         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
21086         ifc_temp_var): Likewise.
21087         * tree-inline.c (setup_one_parameter): Likewise.
21088         * tree-mudflap.c (mf_decl_cache_locals,
21089         mf_build_check_statement_for): Likewise.
21090         * tree-nested.c (init_tmp_var, save_tmp_var,
21091         finalize_nesting_tree_1): Likewise.
21092         * tree-outof-ssa.c (insert_copy_on_edge,
21093         insert_backedge_copies): Likewise.
21094         * tree-profile.c (tree_gen_edge_profiler,
21095         tree_gen_ic_profiler): Likewise.
21096         * tree-scalar-evolution.c (scev_const_prop): Likewise.
21097         * tree-sra.c (sra_build_assignment): Likewise.
21098         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
21099         * tree-ssa-math-opts.c (insert_reciprocals,
21100         execute_cse_sincos_1): Likewise.
21101         * tree-tailcall.c (adjust_accumulator_values,
21102         adjust_return_value): Likewise.
21103         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
21104         * tree-vect-transform.c (vect_create_data_ref_ptr,
21105         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
21106         vect_create_epilog_for_reduction, vectorizable_reduction,
21107         vectorizable_call, vectorizable_conversion,
21108         vectorizable_assignment, vectorizable_operation,
21109         vectorizable_type_demotion, vect_gen_widened_results_half,
21110         vect_permute_store_chain, vectorizable_store,
21111         vect_setup_realignment, vect_permute_load_chain,
21112         vectorizable_load, vectorizable_condition,
21113         vect_create_cond_for_align_checks): Likewise.
21114         * tree-vrp.c (build_assert_expr_for): Likewise.
21115
21116 2007-03-08  Ian Lance Taylor  <iant@google.com>
21117
21118         * tree-vrp.c: Include "intl.h".
21119         (usable_range_p): New static function.
21120         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
21121         overflowed values, juts set *strict_overflow_p.
21122         (compare_values): Only return -2 if one of the operands is not a
21123         constant.
21124         (compare_ranges): Call usable_range_p.
21125         (compare_range_with_value): Likewise.
21126         (vrp_evaluate_conditional_warnv): Rename from
21127         vrp_evaluate_conditional.  Make static.  Change all callers.
21128         (vrp_evaluate_conditional): New function.
21129         (simplify_div_or_mod_using_ranges): Issue warning about reliance
21130         on signed overflow.
21131         (simplify_abs_using_ranges): Likewise.
21132         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
21133         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
21134         within_stmt parameter.
21135         * tree-ssa-propagate.c (fold_predicate_in): Update call to
21136         vrp_evaluate_conditional.
21137         * tree-ssa-threadedge.c
21138         (record_temporary_equivalences_from_stmts_at_dest): Change
21139         simplify parameter to take a second tree parameter.
21140         (simplify_control_stmt_condition): Likewise.
21141         (thread_across_edge): Likewise.
21142         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21143         (thread_across_edge): Likewise.
21144         * Makefile.in (tree-vrp.o): Depend upon intl.h.
21145
21146 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
21147
21148         * config/i386/i386.h (TARGET_SAHF): New define.
21149         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
21150         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
21151         (x86_sahf): New global variable.
21152         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
21153         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
21154         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
21155         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
21156         for 64-bit.
21157         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
21158         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
21159         when expanding fcomi/sahf based tests.
21160         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
21161         expanding sahf based alternative. Emit sahf based sequence when
21162         optimizing for code size.
21163         * config/i386/i386.md (x86_sahf_1): Do not disable for
21164         TARGET_64BIT, enable for TARGET_SAHF.
21165
21166 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
21167
21168         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
21169         spurious whitespace from error message.
21170
21171 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
21172
21173         PR c++/30852
21174         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
21175
21176 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
21177
21178         * c-decl.c (grokdeclarator): Disable warnings for anonymous
21179         bitfields.
21180         * tree-sra.c (instantiate_element): Propagate disabled warnings
21181         from the element itself to the created variable.
21182
21183 2007-03-07  Richard Henderson  <rth@redhat.com>
21184
21185         PR target/30848
21186         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
21187         silently fix up the stack in the case of a missing register.
21188
21189 2007-03-07  Paul Brook  <paul@codesourcery.com>
21190
21191         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
21192
21193 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
21194
21195         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
21196         New.
21197         (phase1_vrs): Use them.
21198         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
21199         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
21200         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
21201         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
21202         __gnu_Unwind_Restore_WMMXC if required.
21203         (_Unwind_VRS_Pop): Implement iWMMXt support.
21204         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
21205         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
21206         gnu_Unwind_Save_WMMXC): Define.
21207
21208 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21209
21210         * config/vxworks.h (vxworks_override_options): Declare.
21211         (VXWORKS_OVERRIDE_OPTIONS): Use it.
21212         * config/vxworks.c: Include target.h and toplev.h.
21213         (vxworks_override_options): New function.
21214         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
21215
21216 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
21217
21218         * config/s390/s390.c (override_options): Don't emit an error when
21219         -mstack-size is used without providing -mstack-guard.
21220         (s390_emit_prologue): Choose stack_guard value automatically if not
21221         provided via command line.
21222         * doc/invoke.texi: Adjust description of -mstack-guard and
21223         -mstack-size.
21224
21225 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21226
21227         * config/i386/i386.c (output_set_got): Add a GOT initialization
21228         sequence for VxWorks PIC.
21229         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
21230         around labels as well as symbols.  Use gotoff_operand instead
21231         of local_symbolic_operand.
21232         (legitimize_pic_address): Use gotoff_operand instead of
21233         local_symbolic_operand.  Use @GOT accesses for labels as
21234         well as symbols.
21235         (ix86_output_addr_diff_elt): Use PC-relative rather than
21236         GP-relative offsets for VxWorks PIC.
21237         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
21238         no_new_pseudos.  Check whether the returned register is op0.
21239         * config/i386/i386.md (tablejump): Use PC-relative rather than
21240         GP-relative offsets for VxWorks PIC.
21241         * config/i386/predicates.md (gotoff_operand): New predicate.
21242
21243 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21244
21245         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
21246         before defining.
21247         * config/vxworks-dummy.h: New file.
21248         * config/i386/i386.h: Include it.
21249
21250 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
21251
21252         * dwarf2out.c (is_inlined_entry_point): New
21253         (add_high_low_attributes): Emit DW_AT_entry_pc along with
21254         DW_AT_ranges if the first subblock is the entry point.
21255
21256 2007-03-06  David Daney  <ddaney@avtrex.com>
21257
21258         * doc/install.texi (mips-*-*): Change recommended binutils
21259         version.
21260
21261 2007-03-06  Anatoly Sokolov <aesok@post.ru>
21262
21263         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
21264         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
21265         devices.
21266         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
21267         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
21268
21269 2007-03-06  Jan Hubicka  <jh@suse.cz>
21270
21271         * errors.h (warning, error, fatal, internal_error): Mark as cold.
21272         * predict.c (maybe_hot_bb): Cold functions are never hot; hot
21273         functions are hot.
21274         (probably_cold_bb_p): Cold functions are cold.
21275         (probably_never_executed_bb_p): Cold functions are cold.
21276         (tree_bb_level_predictions): Predict calls to cold functions as not
21277         taken.
21278         (compute_function_frequency): Check hot/cold attributes.
21279         * function.h (function_frequency): Update comments.
21280         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
21281         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
21282         (c_common_att): Add cold and hot.
21283
21284         * doc/extend.texi (hot,cold attributes): Document.
21285
21286 2007-03-06  Andrew Haley  <aph@redhat.com>
21287
21288         * function.c (expand_function_end): Move blockage to just after we
21289         emit the label for the naked return from the function.
21290
21291 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21292
21293         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
21294         before redefining.
21295
21296 2007-03-06  Jan Hubicka  <jh@suse.cz>
21297
21298         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
21299         loaded for constant large models.  Non-large 64bit PIC can do.
21300         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
21301         * cmodel.h: Add LARGE PIC.
21302         * i386.md (UNSPEC_PLTOFF): New.
21303         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
21304         unspecs as needed.
21305         (*call_1_rex64): Disable for large models.
21306         (*call_1_rex64_large): New.
21307         (*call_value_1_rex64): Disable for large models.
21308         (*call_value_1_rex64_large): New.
21309         (set_rip_rex4): New.
21310         (set_got_offset_rex64): New.
21311         * predicates.md (constant_call_address_operand): For large model
21312         constant calls are not possible.
21313         * i386-protos.h (construct_plt_address): Declare.
21314         * i386.c (override_options): Accept large models.
21315         (ix86_expand_prologue): Expand large PIC GOT pointer load.
21316         (legitimate_constant_p): Add new UNSPECs.
21317         (legitimate_pic_operand_p): Likewise.
21318         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
21319         (legitimize_pic_address): Do easy RIP relative way for TLS only for
21320         non-large model.
21321         (output_pic_addr_const): Add PLTOFF.
21322         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
21323         (ix86_expand_move): Legitimize pic address when in PIC mode.
21324         (construct_plt_address): New function.
21325         (ix86_expand_call): Offload the address to register and use GOT
21326         pointer for large model.
21327         * invoke.texi (mcmodel=large): Update documentation.
21328
21329 2007-03-06  Richard Henderson  <rth@redhat.com>
21330
21331         * config/i386/i386.c (x86_use_leave, x86_push_memory,
21332         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
21333         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
21334         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
21335         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
21336         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
21337         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
21338         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
21339         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
21340         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21341         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21342         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
21343         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21344         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21345         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
21346         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
21347         x86_schedule, x86_use_bt, x86_pad_returns,
21348         x86_use_xchgb): Merge into ...
21349         (ix86_tune_features): ... here.  New array.
21350         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21351         x86_bswap): Merge into ...
21352         (ix86_arch_features): ... here.  New array.
21353         (x86_3dnow_a): Remove.
21354         (x86_accumulate_outgoing_args): Make static.
21355         (x86_arch_always_fancy_math_387): Make static.
21356         (ix86_tune_mask, ix86_arch_mask): Move ...
21357         (override_options): ... to local variables here.  Apply the
21358         appropriate mask to each element of ix86_arch_features and
21359         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
21360         as were done in the old macros.
21361         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
21362         * config/i386/i386.h (x86_use_leave, x86_push_memory,
21363         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
21364         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
21365         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
21366         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
21367         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
21368         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
21369         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
21370         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
21371         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
21372         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21373         x86_accumulate_outgoing_args, x86_prologue_using_move,
21374         x86_epilogue_using_move, x86_decompose_lea,
21375         x86_arch_always_fancy_math_387, x86_shift1,
21376         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21377         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21378         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
21379         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21380         x86_use_incdec, x86_pad_returns, x86_bswap,
21381         x86_partial_flag_reg_stall): Remove.
21382         (enum ix86_tune_indices): New.
21383         (ix86_tune_features): New.
21384         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
21385         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
21386         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
21387         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
21388         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
21389         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
21390         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
21391         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
21392         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
21393         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
21394         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
21395         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
21396         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
21397         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
21398         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
21399         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
21400         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
21401         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
21402         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
21403         TARGET_EXT_80387_CONSTANTS): Use it.
21404         (enum ix86_arch_indices): New.
21405         (ix86_arch_features): New.
21406         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
21407         TARGET_BSWAP): Use it.
21408         (ix86_tune_mask, ix86_arch_mask): Remove.
21409
21410 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
21411
21412         PR bootstrap/31020
21413         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
21414         Define using $${sysroot_headers_suffix}.
21415         * configure: Regenerate.
21416         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
21417         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
21418         defined.
21419         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
21420         * gcc.c (print_sysroot_headers_suffix): New.
21421         (option_map): Include --print-sysroot-headers-suffix.
21422         (display_help): Mention -print-sysroot-headers-suffix.
21423         (process_command): Handle -print-sysroot-headers-suffix.
21424         (do_spec_1): Append multilib directory to include-fixed path if
21425         sysroot suffixes in use.
21426         (main): Handle -print-sysroot-headers-suffix.
21427         * Makefile.in (start.encap): Don't depend on xlimits.h
21428         (xlimits.h): Remove.
21429         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
21430         limits.h for each multilib in fixinc_list.
21431         (fixinc_list, s-fixinc_list): New.
21432         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
21433         generate them for each multilib in fixinc_list.
21434         (stmp-fixproto): Use include-fixed.  Run fixproto for each
21435         multilib in fixinc_list.
21436         (mostlyclean): Don't remove xlimits.h.
21437         (clean): Remove include-fixed.
21438         (real-install-headers-tar, real-install-headers-cpio,
21439         real-install-headers-cp): Don't copy include, only include-fixed.
21440         (install-mkheaders): Depend on fixinc_list.  Don't depend on
21441         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
21442         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
21443         SYSTEM_HEADER_DIR setting in mkheaders.conf.
21444
21445 2007-03-06  Jan Hubicka  <jh@suse.cz>
21446
21447         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
21448         NANs easilly.
21449
21450 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21451
21452         * configure.ac: Allow tm_file to contain build-directory files.
21453         * configure: Regenerate.
21454         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
21455         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
21456         * config/m68k/print-sysroot-suffix.sh: New file.
21457
21458 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21459
21460         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
21461         of pic_offset_table_rtx if reload_completed.
21462         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
21463         PIC_OFFSET_TABLE_REGNUM.
21464         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
21465         return true.
21466         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
21467         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
21468
21469 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21470
21471         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21472         functions that call eh_return.
21473
21474 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21475
21476         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21477         functions that need a constant pool.
21478
21479 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21480
21481         PR target/28181
21482         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
21483         (m68k_preferred_reload_class): Likewise.
21484         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
21485         (SECONDARY_RELOAD_CLASS): Define.
21486         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
21487         (LIMIT_RELOAD_CLASS): Delete.
21488         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
21489         registers from storing bytes.
21490         (m68k_secondary_reload_class): New function.
21491         (m68k_preferred_reload_class): Likewise.
21492
21493 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21494
21495         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
21496         leaf functions.
21497         (m68k_expand_prologue): Likewise.
21498
21499 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21500
21501         * config/m68k/m68k-protos.h (output_sibcall): Declare.
21502         (mips_expand_epilogue): Add a bool parameter.
21503         (m68k_legitimize_sibcall_address): Declare.
21504         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
21505         (m68k_expand_epilogue): Add a parameter to select between sibling
21506         and normal epilogues.  Only generate a return for the latter.
21507         (m68k_ok_for_sibcall_p): New function.
21508         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
21509         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
21510         (sibcall_value, *sibcall_value): Likewise.
21511         (*call, *call_value): Require !SIBLING_CALL_P.
21512         (epilogue): Update call to m68k_expand_epilogue.
21513         (sibcall_epilogue): New pattern.
21514         * config/m68k/predicates.md (const_call_operand): Say that this
21515         predicate applies to sibling calls too.
21516         (sibcall_operand): New predicate.
21517
21518 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21519
21520         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
21521         alternatives as movsi_cf.
21522         (movsf_cf_hard): Add commentary.
21523
21524 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
21525             Richard Sandiford  <richard@codesourcery.com>
21526
21527         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
21528         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
21529         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
21530         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
21531         as being live on exit from an interrupt function.
21532         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
21533         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
21534         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
21535         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
21536         (m68k_interrupt_function_p): Globalize.
21537         (m68k_compute_frame_layout): Remove reverse mask code.
21538         (m68k_emit_movem, m68k_set_frame_related): New functions.
21539         (m68k_output_function_prologue): Delete in favor of...
21540         (m68k_expand_prologue): ...this new function.
21541         (m68k_output_function_epilogue): Delete in favor of...
21542         (m68k_expand_epilogue): ...this new function.
21543         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
21544         functions.
21545         (print_operand): Handle %?.
21546         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
21547         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
21548         (prologue, epilogue): New patterns.
21549         (return): Turn into a define_expand.
21550         (*return): New pattern, derived from old "return" pattern.  Use rte
21551         rather than rts for interrupt functions.  Only use rtd if the pop
21552         count is nonzero.
21553         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
21554         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
21555         (link, *link, unlink, *unlink, load_got): Likewise.
21556
21557 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21558
21559         PR target/23482
21560         PR target/17114
21561         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
21562         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
21563         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
21564         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
21565         and m68k_matches_u_p.
21566         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
21567         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
21568         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
21569         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
21570         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
21571         (REG_STRICT_P): New macro.
21572         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
21573         PCREL_GENERAL_OPERAND_OK.
21574         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
21575         m68k_legitimate_base_reg_p.
21576         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
21577         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
21578         (PIC_CASE_VECTOR_ADDRESS): Update comment.
21579         * config/m68k/m68k.c (m68k_address): New structure.
21580         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
21581         (m68k_decompose_index, m68k_legitimate_constant_address_p)
21582         (m68k_jump_table_ref_p, m68k_decompose_address)
21583         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
21584         (m68k_matches_u_p): New functions.
21585         (print_operand_address): Rewrite to use m68k_decompose_index.
21586
21587 2007-03-05  David Taylor  <dtaylor@emc.com>
21588
21589         * gcc.c: Correct copyright date in --version output.
21590
21591 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21592
21593         * pa.md: In unamed move patterns, disparge copies between general
21594         and floating point registers using '?' modifier.  Don't include 'f'
21595         constraint for register preferences in DImode, SImode, HImode and
21596         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
21597         Remove constraints for copies between general and floating registers
21598         in soft-float DFmode pattern.
21599         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
21600         floating register.
21601         (movsf): Likewise.
21602
21603 2007-03-05  Mike Stump  <mrs@apple.com>
21604
21605         * c-common.c (targetcm): Add.
21606         * c-opts.c (c_common_handle_option): Handle language specific
21607         target options.
21608         * opts.c (handle_option): Verify language for target options, if
21609         any are given.
21610         * opth-gen.awk: Add CL_LANG_ALL.
21611         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
21612         (TARGETCM_INITIALIZER): Add.
21613         * target.h (struct gcc_targetcm): Add.
21614         (targetcm): Add.
21615         * targhooks.c (default_handle_c_option): Add.
21616         * targhooks.h (default_handle_c_option): Add.
21617         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
21618
21619         * config/darwin.opt (iframework): Add.
21620         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
21621         * config/darwin-c.c (handle_c_option): Add.
21622         (TARGET_HANDLE_C_OPTION): Add.
21623         (targetcm): Add.
21624         * doc/invoke.texi (Darwin Options): Add -iframework.
21625
21626 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21627
21628         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
21629         conversion.
21630
21631 2007-03-05  Ian Lance Taylor  <iant@google.com>
21632
21633         * c.opt (fgnu89-inline): New option.
21634         * c-opts.c (c_common_post_options): Set default value for
21635         flag_gnu89_inline.
21636         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
21637         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
21638         inline functions.
21639         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
21640         (grokdeclarator, start_function): Likewise.
21641         * c-cppbuiltin.c (c_cpp_builtins): Define either
21642         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
21643         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
21644         (C Dialect Options): Document -fgnu89-inline.
21645         * doc/extend.texi (Function Attributes): Explain what the
21646         gnu_inline attribute does.
21647         * doc/cpp.texi (Common Predefined Macros): Document
21648         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
21649
21650 2007-03-05  Ian Lance Taylor  <iant@google.com>
21651
21652         PR tree-optimization/31034
21653         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
21654         half-range if the other side is an overflow infinity.
21655
21656 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
21657
21658         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
21659         (bfin*-linux-uclibc*): New configuration.
21660         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
21661         defining.
21662         * config/bfin/linux.h: New file.
21663         * config/bfin/libgcc-bfin.ver: New file.
21664         * config/bfin/t-bfin-uclinux: New file.
21665         * config/bfin/t-bfin-linux: New file.
21666         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
21667         (TARGET_OS_CPP_BUILTINS): New macro.
21668
21669 2007-03-05  Richard Guenther  <rguenther@suse.de>
21670
21671         * fold-const.c (fold_binary): Remove duplicate folding
21672         of comparison of non-null ADDR_EXPR against null.
21673
21674 2007-03-05  Richard Guenther  <rguenther@suse.de>
21675             Dorit Nuzman  <dorit@il.ibm.com>
21676
21677         PR tree-optimization/26420
21678         * tree-vectorizer.c (vectorize_loops): Bail out early if there
21679         are no loops in the function.  Only print the number of
21680         vectorized loops if it is greater than zero or we are supposed
21681         to print information about unvectorized loops.
21682
21683 2007-03-05  Revital Eres  <eres@il.ibm.com>
21684
21685         * gcc.dg/var-expand1.c: New test.
21686         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
21687         when an accumulator is expanded.
21688
21689 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21690
21691         PR other/30465
21692         * c-common.c (convert_and_check): Don't give warnings for
21693         conversion if 'expr' already overflowed.
21694
21695 2007-03-04  Roger Sayle  <roger@eyesopen.com>
21696
21697         PR middle-end/30744
21698         * fold-const.c (fold_comparison): Enforce type consistency when
21699         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
21700
21701 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
21702
21703         * tree-ssa-address.c (create_mem_ref): Do not put an expression
21704         containing a cast to the base of TARGET_MEM_REF.
21705
21706 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
21707
21708         * tree.c (tree_contains_struct_check_failed): Remove spurious
21709         whitespace from error message.
21710
21711 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
21712
21713         PR target/30406
21714         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
21715         instead of precision.
21716
21717 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
21718             Nathan Sidwell  <nathan@codesourcery.com>
21719
21720         * emit-rtl.c (find_auto_inc): New.
21721         (try_split): recreate REG_INC notes,
21722         Use regular for loops rather than whiles.
21723
21724 2007-03-03  Andreas Schwab  <schwab@suse.de>
21725
21726         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
21727         * configure: Regenerate.
21728
21729 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21730
21731         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
21732         flag_rounding_math, not flag_unsafe_math_optimizations.
21733
21734         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
21735         fold_build2.
21736         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
21737         alpha_fold_vector_minmax): Likewise.
21738         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
21739         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
21740
21741 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21742
21743         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
21744         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
21745         if the lhs has side-effects.
21746         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
21747
21748 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21749
21750         * config/i386/i386.h (TUNEMASK): Remove define.
21751         (ARCHMASK): Remove define.
21752         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
21753          Use ix86_arch_mask variable instead of ARCHMASK.
21754         * config/i386/i386.c (override_options): Ditto.
21755         (standard_80387_constant_p): Ditto.
21756
21757 2007-03-02  Ian Lance Taylor  <iant@google.com>
21758
21759         Used signed infinities in VRP.
21760         * tree-vrp.c (uses_overflow_infinity): New static function.
21761         (supports_overflow_infinity): New static function.
21762         (make_overflow_infinity): New static function.
21763         (negative_overflow_infinity): New static function.
21764         (positive_overflow_infinity): New static function.
21765         (is_negative_overflow_infinity): New static function.
21766         (is_positive_overflow_infinity): New static function.
21767         (is_overflow_infinity): New static function.
21768         (overflow_infinity_range_p): New static function.
21769         (compare_values_warnv): New function split out of compare_values.
21770         (compare_value): Call it.
21771         (set_value_range_to_nonnegative): Add overflow_infinity
21772         parameter.  Change caller.
21773         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
21774         Change callers.
21775         (vrp_expr_computes_nonzero): Likewise.
21776         (compare_ranges, compare_range_with_value): Likewise.
21777         (compare_name_with_value, compare_names): Likewise.
21778         (vrp_evaluate_conditional): Likewise.
21779         (set_value_range): Handle infinity
21780         (vrp_operand_equal_p, operand_less_p): Likewise.
21781         (extract_range_from_assert): Likewise.
21782         (vrp_int_const_binop): Likewise.
21783         (extract_range_from_binary_expr): Likewise.
21784         (extract_range_from_unary_expr): Likewise.
21785         (extract_range_from_comparison): Likewise.
21786         (extract_range_from_expr): Likewise.
21787         (dump_value_range): Likewise.
21788         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
21789         (test_for_singularity): Likewise.
21790         (vrp_int_const_binop): Remove inline qualifier.
21791         (adjust_range_with_scev): Add comment.
21792         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21793
21794 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
21795
21796         * tree-ssa-structalias.c (could_have_pointers): Tidy.
21797         (get_constraint_for): Likewise.
21798         (do_structure_copy): Likewise.
21799         (find_func_aliases): Fix references to MODIFY_EXPR.
21800         (intra_create_variable_infos): Tidy.
21801         * tree-ssa-operands.c (add_virtual_operand): Add argument
21802         IS_CALL_SITE.
21803         When adding members of alias sets, if IS_CALL_SITE is true and
21804         the symbol is not call-clobbered, skip it.
21805         Adjust all callers.
21806
21807 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21808
21809         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
21810         entry by means of emit_insn_at_entry.
21811
21812 2007-03-02  Richard Henderson  <rth@redhat.com>
21813
21814         * expr.h (promoted_input_arg): Remove decl.
21815         * function.c (promoted_input_arg): Merge into ...
21816         * combine.c (setup_incoming_promotions): ... only caller.
21817         Rearrange to avoid double loop.
21818
21819 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21820             Peter Bergner  <bergner@vnet.ibm.com>
21821             Janis Johnson  <janis187@us.ibm.com>
21822
21823         * config/rs6000/dfp.md: New file.
21824         * config/rs6000/rs6000.md: Include dfp.md.
21825         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
21826         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
21827         and TDmode decimal float modes in FP registers.
21828         (num_insns_constant): Likewise.
21829         (rs6000_legitimate_offset_address_p): Likewise.
21830         (rs6000_legitimize_address): Likewise.
21831         (rs6000_legitimize_reload_address): Likewise.
21832         (rs6000_legitimate_address): Likewise.
21833         (rs6000_emit_move): Likewise.
21834         (function_arg_boundary): Likewise.
21835         (function_arg_advance): Likewise.
21836         (rs6000_darwin64_record_arg_recurse): Likewise.
21837         (function_arg): Likewise.
21838         (rs6000_gimplify_va_arg): Likewise.
21839         (rs6000_split_multireg_move): Likewise.
21840         (rs6000_output_function_epilogue): Likewise.
21841         (rs6000_output_function_epilogue): Likewise.
21842         (rs6000_register_move_cost): Likewise.
21843         (rs6000_function_value): Likewise.
21844         (rs6000_libcall_value): Likewise.
21845
21846 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21847
21848         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
21849
21850 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21851
21852         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
21853         Use $MULTIDIR to choose between the kernel and RTP headers,
21854         and use $WIND_BASE and $WIND_USR to locate them.
21855
21856 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21857
21858         * config/i386/i386.c (override_options): Put initialization of
21859         ix86_tune_mask and ix86_arch_mask to the correct place.
21860
21861 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21862             Michael Meissner  <michael.meissner@amd.com>
21863
21864         PR target/31019
21865         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
21866         (ARCHMASK): Define.
21867         (TARGET_CMOVE): Use ARCHMASK.
21868         (TARGET_CMPXCHG): Ditto.
21869         (TARGET_CMPXCHG8B): Ditto.
21870         (TARGET_XADD): Ditto.
21871         (TARGET_BSWAP): Ditto.
21872         * config/i386/i386.c (ix86_tune_mask): New global variable.
21873         (ix86_arch_mask): Ditto.
21874         (override_options): Initialize ix86_tune_mask and
21875         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
21876         target_flags.
21877
21878 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21879
21880         PR 30992
21881         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
21882
21883 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
21884
21885         * target.h (init_dwarf_reg_sizes_extra): New target hook.
21886         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
21887         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
21888         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
21889         hook.
21890         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
21891         rs6000_init_dwarf_reg_sizes_extra): New.
21892         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
21893         SPE register high parts.
21894
21895 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
21896
21897         * Makefile.in: Add install-pdf target as
21898         copied from automake v1.10 rules.
21899         * configure.ac: Add install-pdf to target list.
21900         * configure: Regenerate.
21901
21902 2007-03-01  Paul Brook  <paul@codesourcery.com>
21903
21904         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
21905         modes to LDRD for DImode.
21906         (output_move_double): Fixup out of range ldrd/strd.
21907         (vfp_secondary_reload_class): Rename...
21908         (coproc_secondary_reload_class): ... to this.  Add wb argument.
21909         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
21910         coproc_secondary_reload_class for CLASS_IWMMXT.
21911         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
21912         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
21913
21914 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
21915
21916         * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
21917         unroll factor by the estimated number of iterations.
21918         (loop_prefetch_arrays): Do not prefetch in loops that iterate less
21919         than prefetch latency.
21920
21921         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
21922         decode_caches_intel, detect_caches_intel): New functions.
21923         (host_detect_local_cpu): Use detect_caches_amd and
21924         detect_caches_intel.
21925
21926 2007-03-01  Richard Henderson  <rth@redhat.com>
21927
21928         * expr.c (emit_move_complex_push): Export.
21929         (emit_move_complex_parts): Split out from ...
21930         (emit_move_complex): ... here.
21931         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
21932         * config/i386/i386.md (movcdi): New.
21933
21934 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
21935
21936         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
21937         size of mode1 to check for tieable modes in MMX case.
21938
21939 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
21940
21941         * Makefile.in (rtlanal.o): Depend on tree.h.
21942         * rtl.h (offset_within_section_p, split_const): Declare.
21943         * rtlanal.c: Include tree.h.
21944         (offset_within_block_p): New function, taken from
21945         mips_offset_within_object_p.
21946         (split_const): New function, taken from mips_split_const.
21947         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
21948         Declare.
21949         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
21950         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
21951         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
21952         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
21953         (m68k_illegitimate_symbolic_constant_p): New function.
21954         * config/m68k/m68k.md (movsi): Remove misleading predicates.
21955         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
21956         symbolic constant that might be outside the symbol's section,
21957         move the symbol first and then add the offset.
21958         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
21959         Override.
21960         * config/mips/mips.c (mips_split_const): Delete.
21961         (mips_offset_within_object_p): Delete.
21962         (mips_symbolic_constant_p): Use offset_within_section_p and
21963         split_const instead of mips_offset_within_object_p and
21964         mips_split_const.
21965         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
21966         (mips_legitimize_const_move, print_operand_reloc)
21967         (mips_dangerous_for_la25_p): Use split_const instead of
21968         mips_split_const.
21969
21970 2007-02-28  Eric Christopher  <echristo@apple.com>
21971
21972         * Makefile.in (install-include-dir): Don't rm -rf include.
21973
21974 2007-02-28  Richard Guenther  <rguenther@suse.de>
21975
21976         PR middle-end/30364
21977         * fold-const.c (fold_binary): Do not associate expressions
21978         with more than one variable for integer types that do not wrap.
21979
21980 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
21981
21982         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
21983         Delete, and replace with...
21984         (fold_builtin_call_array): This.  Update callers to use it.
21985         * fold-const.c (fold_build_call_list): Delete, and replace with...
21986         (fold_build_call_array): This.
21987         (fold_build_call_list_initializer): Delete, and replace with...
21988         (fold_build_call_array_initializer): This.
21989         * tree.h: Update declarations to reflect above changes.
21990
21991         * c-typeck.c (build_function_call): Store converted arguments
21992         in a stack-allocated array instead of building a list.
21993         (convert_arguments): Store arguments in the array passed in as an
21994         argument, and return the actual number of arguments.
21995         * c-format.c: (check_function_format): Pass arguments in an
21996         array instead of a list.
21997         * c-common.c (check_function_nonnull): Likewise.
21998         (check_function_sentinel): Likewise.
21999         (check_function_arguments): Likewise.
22000         * c-common.h: Update declarations to reflect above changes.
22001
22002 2007-02-28  Jan Hubicka  <jh@suse.cz>
22003
22004         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
22005         PRED_NEGATIVE_RETURN): Update outcomes.
22006
22007 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
22008
22009         * calls.c (emit_library_call_value_1): Handle partial registers
22010         correctly when building up CALL_INSN_FUNCTION_USAGE.
22011
22012 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22013
22014         * pa/predicates.md (move_src_operand): Allow zero for mode.
22015         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
22016         move pattern.
22017
22018 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
22019
22020         PR target/30970
22021         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
22022         *movv2df_internal): Enable pattern only for valid operand
22023         combinations.
22024         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
22025         tie only 128bit modes. For MMX registers, tie only 64bit modes.
22026
22027 2007-02-27  Mike Stump  <mrs@apple.com>
22028
22029         * config/darwin-crt3.c: Avoid compilation when compiling for a
22030         kext multilib.
22031
22032 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
22033
22034         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
22035         FIXED_INCLUDE_DIR.
22036         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
22037         for fixed headers and limits.h.
22038         (install-include-dir, install-headers-tar, install-headers-cpio,
22039         install-headers-cp, real-install-headers-tar,
22040         real-install-headers-cpio, real-install-headers-cp): Handle
22041         include-fixed as well as include.
22042         (install-mkheaders): Don't install files that go only in include
22043         not include-fixed.
22044         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
22045         from GCC_INCLUDE_DIR.
22046         * gcc.c (process_command): Remove special -BstageN/ handling.
22047         (do_spec_1): Add include-fixed directories.
22048
22049 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22050
22051         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
22052         _smulsi3_highpart.
22053         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
22054         New functions.
22055         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
22056         patterns.
22057
22058 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
22059
22060         * c-common.c (get_priority): Add check for
22061         SUPPORTS_INIT_PRIORITY.
22062
22063 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22064
22065         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
22066
22067         * config/bfin/bfin.c: Include "cfglayout.h".
22068         (MAX_LSETUP_DISTANCE): New macro.
22069         (struct loop_info): New members incoming, incoming_src and
22070         incoming_dest.  Delete member predecessor.
22071         (length_for_loop): New function.
22072         (bfin_optimize_loop): Handle more different loop structures.
22073         (bfin_discover_loop): Rework detection of predecessor blocks by
22074         examining incoming edges.
22075         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
22076         bfin_reorg_loops.
22077         (bfin_reorder_loops): New function.
22078         (bfin_reorg_loops): Use these three new functions.
22079
22080         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
22081         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
22082         (CONSTRAINT_LEN): Add entry for 'q'.
22083         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
22084         Add 'q' constraints.
22085         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
22086         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
22087
22088         * config/bfin/bfin.md (add_with_carry): New pattern.
22089         (s_or_u, su_optab, su_modifier): New code macros/attrs.
22090         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
22091         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
22092         support unsigned multiplies too.  Removed incorrect commutativity from
22093         operand 1 constraint where appropriate.
22094         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
22095         patterns.
22096         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
22097         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
22098         New patterns.
22099         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
22100         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
22101         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
22102         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
22103         usmulhisi_hh_huh): New patterns.
22104
22105         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
22106         lshifthi3): Fix output template to use half reg for operand 2.
22107
22108         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
22109         instead of R2.
22110
22111         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
22112
22113 2007-02-27  Andreas Schwab  <schwab@suse.de>
22114
22115         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
22116
22117 2007-02-27  Jan Hubicka  <jh@suse.cz>
22118
22119         * predict.c (last_basic_block_p): Remove.
22120         (tree_estimate_probability): Update return heuristic for commonized
22121         return blocks.
22122
22123 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
22124
22125         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
22126
22127 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
22128
22129         * doc/include/gcc-common.texi (versionsubtitle): New macro.
22130         * doc/cpp.texi: Standardize title page.
22131         * doc/cppinternals.texi: Likewise.
22132         * doc/gcc.texi: Standardize title page, remove version number
22133         from copyright page.
22134         * doc/gccint.texi: Likewise.
22135         * doc/install.texi: Standardize title page, add table of
22136         contents.
22137
22138 2007-02-26  Jan Hubicka  <jh@suse.cz>
22139
22140         * predict.def: Set outcomes according to more recent results.
22141         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
22142         Remove dead predictors.
22143         * predict.c (return_prediction): Fix pasto.
22144
22145 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22146
22147         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
22148         change; avoid a memory leak when returning early.
22149
22150 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
22151
22152         * c-decl.c (static_ctors): Move to c-common.c.
22153         (static_dtors): Likewise.
22154         (finish_function): Use c_record_cdtor_fn.
22155         (build_cdtor): Move to c-common.c.
22156         (c_write_global_declarations): Use c_build_cdtor_fns.
22157         * c-common.h (static_ctors): Declare.
22158         (static_dtors): Likewise.
22159         (c_record_cdtor_fn): Likewise.
22160         (c_build_cdtor_fns): Likewise.
22161         * c-common.c (static_ctors): New variable.
22162         (static_dtors): Likewise.
22163         (c_record_cdtor_fn): New function.
22164         (build_cdtor): Move from c-decl.c
22165         (c_build_cdtor_fns): New function.
22166
22167         * output.h (assemble_addr_to_section): Declare.
22168         (get_cdtor_priority_section): Likewise.
22169         * varasm.c (assemble_addr_to_section): New function.
22170         (get_cdtor_priority_section): Likewise.
22171         (default_named_section_asm_out_destructor): Use them.
22172         (destor_dtor_section_asm_out_destructor): Likewise.
22173         (default_named_section_asm_out_constructor): Likewise.
22174         (default_ctor_section_asm_out_constructor): Likewise.
22175         * config.gcc (*-*-vxworks*): Include vxworks.o.
22176         * config/t-vxworks (vxworks.o): New target.
22177         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
22178         (TARGET_ASM_CONSTRUCTOR): Define.
22179         (TARGET_ASM_DESTRUCTOR): Likewise.
22180         (vxworks_asm_out_constructor): Declare.
22181         (vxworks_asm_out_destructor): Likewise.
22182
22183         * c-common.c (get_priority): Check that we have not just an
22184         INTEGER_CST, but an integer constant with integeral type.
22185
22186 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
22187
22188         PR tree-optimization/30938
22189         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
22190         use &dt[nargs-1] instead of &dt[nargs] in the call to
22191         vect_is_simple_use().
22192
22193 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
22194
22195         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
22196         from register elimination as PRE_MODIFY / POST_MODIFY increments.
22197         Do not attempt to handle MEM inside auto-inc expressions.
22198         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
22199         of a register modified by an auto-inc expression.  However, do handle
22200         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
22201         (elimination_effects): Prohibit elimination of a register modified
22202         by an auto-inc expression.  Disable register elimination rules whose
22203         target register is modified by an auto-inc expression with variable
22204         increment.
22205
22206 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
22207
22208         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
22209         off-by-one error.
22210         (array_at_struct_end_p): New function.
22211         (idx_infer_loop_bounds): Use it.
22212         (estimate_numbers_of_iterations_loop): Export.
22213         * predict.c (predict_loops): Use estimated_loop_iterations_int.
22214         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
22215         (tree_estimate_probability): Call record_loop_exits.
22216         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
22217         (estimated_loop_iterations, estimated_loop_iterations_int,
22218         estimated_loop_iterations_tree): New functions.
22219         (analyze_siv_subscript_cst_affine,
22220         compute_overlap_steps_for_affine_1_2,
22221         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
22222         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
22223         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
22224         (PRED_LOOP_ITERATIONS_GUESSED): New.
22225         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
22226         * cfgloop.h (estimate_numbers_of_iterations_loop,
22227         estimated_loop_iterations_int): Declare.
22228
22229 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
22230
22231         * doc/extend.texi: Document optional priority argument to
22232         constructors and destructors.
22233         * tree.c (init_priority_for_decl): Adjust GTY markers.
22234         (init_ttree): Use priority-info hash functions for
22235         init_priority_for_decl.
22236         (tree_map_eq): Rename to ...
22237         (tree_map_base_eq): ... this.
22238         (tree_map_marked_p): Rename to ...
22239         (tree_map_base_marked_p): ... this.
22240         (tree_map_base_hash): New function.
22241         (decl_init_priority_lookup): Rework.
22242         (decl_fini_priority_lookup): New function.
22243         (decl_priority_info): New function.
22244         (decl_init_priority_insert): Use it.
22245         (decl_fini_priority_insert): Likewise.
22246         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
22247         hierarchy.
22248         (decl_restrict_base_insert): Likewise.
22249         (decl_debug_expr_insert): Likewise.
22250         (decl_value_expr_lookup): Likewise.
22251         (decl_value_expr_insert): Likewise.
22252         * tree.h (priority_type): New type.
22253         (decl_init_priority_lookup): Use priority_type.
22254         (decl_fini_priority_lookup): New function.
22255         (decl_init_priority_insert): Use priority_type.
22256         (decl_fini_priority_insert): New function.
22257         (DECL_HAS_INIT_PRIORITY): Tweak comments.
22258         (DECL_INIT_PRIORITY): Likewise.
22259         (SET_DECL_INIT_PRIORITY): Add comment.
22260         (DECL_FINI_PRIORITY): New macro.
22261         (SET_DECL_FINI_PRIORITY): Likewise.
22262         (DEFAULT_INIT_PRIORITY): Document.
22263         (MAX_INIT_PRIORITY): Likewise.
22264         (MAX_RESERVED_INIT_PRIORITY): Likewise.
22265         (tree_map_base): New type.
22266         (tree_map_base_eq): New function.
22267         (tree_map_base_hash): Likewise.
22268         (tree_map_base_marked_p): Likewise.
22269         (tree_map): Inherit from tree_map_base.
22270         (tree_map_eq): Make it a macro.
22271         (tree_map_marked_p): Likewise.
22272         (tree_int_map): Inherit from tree_map_base.
22273         (tree_int_map_eq): Make it a macro.
22274         (tree_int_map_hash): Likewise.
22275         (tree_int_map_marked_p): Likewise.
22276         (tree_priority_map): New type.
22277         (tree_priority_map_eq): New macro.
22278         (tree_priority_map_hash): Likewise.
22279         (tree_priority_map_marked_p): Likewise.
22280         * varasm.c (emults_decl): Adjust for refactoring of tree_map
22281         hierarchy.
22282         (emutls_common_1): Likewise.
22283         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
22284         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
22285         of tree_map hierarchy.
22286         * tree-cfg.c (move_stmt_r): Likewise.
22287         (new_label_mapper): Likewise.
22288         * c-tree.h (c_expand_body): Move to ...
22289         * c-common.h (c_expand_body): ... here.
22290         * c-decl.c (c_expand_body): Move to ...
22291         * c-common.c (c_expand_body): ... here.
22292         (c_common_attribute_table): Allow 1 argument for the constructor
22293         and destructor attributes.
22294         (get_priority): New function.
22295         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
22296         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
22297
22298 2007-02-24  Jan Hubicka  <jh@suse.cz>
22299
22300         PR middle-end/30509
22301         * tree-inline.c (copy_bb): Produce exact copy of EH info when
22302         copying for inlining.
22303
22304 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22305             Jan Hubicka  <jh@suse.cz>
22306
22307         PR target/30778
22308         * i386.c (counter_mode): New function.
22309         (expand_set_or_movmem_via_loop): Use it.
22310         (expand_movmem_epilogue): Likewise; fix pasto.
22311         (ix86_expand_movmem): Do emit guard even for constant counts.
22312         (ix86_expand_setmem): Likewise.
22313
22314 2007-02-25  Nick Clifton  <nickc@redhat.com>
22315
22316         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
22317         (JUMP_TABLES_IN_TEXT_SECTION): Define.
22318
22319 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22320
22321         PR target/30770
22322         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
22323         count argument with 0x10, not with 0x16.
22324         (expand_setmem_epilogue): Ditto.
22325
22326 2007-02-24  Mike Stump  <mrs@apple.com>
22327
22328         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
22329         symbols.
22330
22331 2007-02-24  Richard Guenther  <rguenther@suse.de>
22332
22333         PR middle-end/30951
22334         * fold-const.c (fold_binary): Fold x +- CST op x for
22335         EQ_EXPR and NE_EXPR.
22336
22337 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22338
22339         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
22340
22341 2007-02-24  Jan Hubicka  <jh@suse.cz>
22342
22343         * cgraphunit.c (decide_is_function_needed): Honor
22344         -fkeep-inline-functions.
22345
22346 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22347
22348         * builtins.c (fold_builtin_modf): New.
22349         (fold_builtin_2): Use it.
22350
22351 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
22352
22353         * loop-iv.c (implies_p): Detect additional cases where A implies B.
22354         (determine_max_iter): Take additional LOOP arg; all callers changed.
22355         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
22356         one using simplifications.
22357         (simplify_using_initial_values): Return if the expression becomes
22358         invalid due to altered regs.
22359
22360 2007-02-23  DJ Delorie  <dj@redhat.com>
22361
22362         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
22363
22364 2007-02-23  Mike Stump  <mrs@apple.com>
22365
22366         * tlink.c (scan_linker_output): Parse linker messages from
22367         darwin9's linker better.
22368
22369 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
22370
22371         PR debug/29614
22372         * varpool.c (varpool_assemble_pending_decls): Set
22373         varpool_last_needed_node to null.
22374
22375 2007-02-23  DJ Delorie  <dj@redhat.com>
22376
22377         * config/i386/i386.c (ix86_data_alignment): Don't specify an
22378         alignment bigger than the object file can handle.
22379
22380 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
22381
22382         PR target/30825
22383         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
22384         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
22385         (*movsf_1): Penalize MMX moves.
22386
22387 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
22388
22389         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
22390         2^32-1 or more times unless flag_unsafe_loop_optimizations.
22391
22392         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
22393
22394 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22395
22396         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
22397         (fold_builtin_1): Use them.
22398         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
22399         BUILT_IN_SIGNIFICAND.
22400
22401 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
22402
22403         * config/i386/i386.c (bdesc_1arg): Initialize
22404         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
22405         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
22406         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
22407         and IX86_BUILTIN_MOVSLDUP.
22408
22409 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
22410
22411         PR rtl-optimization/30841
22412         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
22413
22414 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22415
22416         * builtins.c (fold_builtin_frexp): New.
22417         (fold_builtin_2): Use it.
22418
22419 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
22420
22421         * doc/invoke.texi (Spec Files): Document getenv spec function.
22422
22423         * gcc.c (getenv_spec_function): New function.
22424         (static_spec_functions): Add it.
22425         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
22426         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
22427         header files.
22428
22429 2007-02-22  Michael Matz  <matz@suse.de
22430
22431         PR c++/29433
22432         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
22433         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
22434
22435 2007-02-22  Ian Lance Taylor  <iant@google.com>
22436
22437         PR debug/30898
22438         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
22439         (mem_loc_descriptor): Call it.
22440
22441 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
22442             Ira Rosen  <irar@il.ibm.com>
22443
22444         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
22445
22446 2007-02-22  Ira Rosen  <irar@il.ibm.com>
22447
22448         PR tree-optimization/30843
22449         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
22450         stores only after all the group is vectorized.
22451
22452 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
22453
22454         PR tree-optimization/30858
22455         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
22456         in the reduction cycle have a single use in the loop.
22457         * tree-vectorizer.h (relevant): Add documentation.
22458
22459 2007-02-20  Mike Stump  <mrs@apple.com>
22460
22461         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
22462         * configure: Regenerate.
22463
22464 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22465
22466         Change the defaults of some parameters and options.
22467         * config/spu/spu-protos.h (spu_optimization_options): Declare.
22468         * config/spu/spu.c (spu_optimization_options): Add.
22469         (spu_override_options): Change params in spu_optimization_options.
22470         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
22471
22472         Register 127 is only 16 byte aligned when used as a frame pointer.
22473         * config/spu/spu-protos.h (spu_init_expanders): Declare.
22474         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
22475         HARD_FRAME_POINTER_REGNUM.
22476         (spu_legitimate_address): Use regno_aligned_for_reload.
22477         (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
22478         aligned when frame_pointer_needed is true.
22479         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
22480         to 8 bits.
22481         * config/spu/spu.h (INIT_EXPANDERS): Define.
22482
22483         Make sure shift and rotate instructions have valid immediate operands.
22484         * config/spu/predicates.md (spu_shift_operand): Remove.
22485         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
22486         * config/spu/constraints.md (W, O): Extend range.
22487         * config/spu/spu.md (umask, nmask): Define.
22488         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
22489         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
22490         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
22491         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
22492         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
22493         (lshr<mode>3_reg): Fix rtl description.
22494
22495         Make sure mulhisi immediate operands are valid.
22496         * config/spu/predicates.md (imm_K_operand): Add.
22497         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
22498
22499         Generate constants using fsmbi and andi.
22500         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
22501         (print_operand, spu_split_immediate, classify_immediate,
22502         fsmbi_const_p): Handle IC_FSMBI2.
22503
22504         Correctly handle a CONST_VECTOR containing symbols.
22505         * config/spu/spu.c (print_operand): Handle HIGH correctly.
22506         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
22507         (immediate_load_p): Allow symbols that use 2 instructions to create.
22508         (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
22509         with symbols when flag_pic is set.
22510         (const_vector_immediate_p): New.
22511         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
22512         accept a CONST_VECTOR with symbols.
22513         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
22514         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
22515         correctly.
22516         * config/spu/spu.md (high, low): Delete.
22517         (low_<mode>): Define.
22518
22519         Remove INTRmode and INTR_REGNUM, which didn't work.
22520         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
22521         of INTR_REGNUM.
22522         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
22523         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
22524         peephole2 pattern): Don't use INTR or 131.
22525         (movintrcc): Delete.
22526         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
22527         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
22528         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
22529         (UNSPEC_SET_INTR): Add.
22530         * config/spu/spu-modes.def (INTR): Remove.
22531
22532         More accurate warnings about run-time relocations.
22533         * config/spu/spu.c (reloc_diagnostic): Test in_section.
22534
22535         Correctly warn about immediate arguments to specific intrinsics.
22536         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
22537         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
22538         the instruction predicate.
22539
22540         Fix tree check errors with latest update.
22541         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
22542         CALL_EXPR_ARG.
22543         (spu_expand_builtin): Use CALL_EXPR_FN.
22544
22545         Add missing specific intrinsics.
22546         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
22547         si_bislede.
22548         * config/spu/spu_internals.h: Ditto.
22549
22550         Fix incorrect operand modifiers.
22551         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
22552         * config/spu/spu.md (xor<mode>3): Change %S to %J.
22553
22554         Optimize one case of zero_extend of a vec_select.
22555         * config/spu/spu.md (_vec_extractv8hi_ze): Add.
22556
22557         Accept any immediate for hbr.
22558         * config/spu/spu.md (hbr): Change s constraints to i.
22559
22560 2007-02-21  Paul Brook  <paul@codesourcery.com>
22561
22562         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
22563         condexec_count when skipping USE and CLOBBER.
22564
22565 2007-02-21  Nick Clifton  <nickc@redhat.com>
22566
22567         * common.opt (Warray-bounds): Add Warning attribute.
22568         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
22569         Likewise.
22570         (fsized-zeroes): Add Optimization attribute.
22571         (fsplit-wide-types, ftree-scev-cprop): Likewise.
22572         * c.opt (Wc++0x-compat): Add Warning attribute.
22573
22574 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
22575
22576         PR middle-end/30761
22577         * reload1.c (eliminate_regs_in_insn): In the single_set special
22578         case, attempt to re-recognize the insn before falling back to
22579         having reload fix it up.
22580
22581 2007-02-20  Eric Christopher  <echristo@gmail.com>
22582
22583         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
22584         Rewrite accordingly.
22585         (frv_read_iacc_argument): Ditto.
22586         (frv_expand_set_builtin): Take a call instead of arglist, update for
22587         above changes.
22588         (frv_expand_unop_builtin): Ditto.
22589         (frv_expand_binop_builtin): Ditto.
22590         (frv_expand_cut_builtin): Ditto.
22591         (frv_expand_binopimm_builtin): Ditto.
22592         (frv_expand_voidbinop_builtin): Ditto.
22593         (frv_expand_int_void2arg): Ditto.
22594         (frv_expand_prefetches): Ditto.
22595         (frv_expand_voidtriop_builtin): Ditto.
22596         (frv_expand_voidaccop_builtin): Ditto.
22597         (frv_expand_load_builtin): Ditto.
22598         (frv_expand_store_builtin): Ditto.
22599         (frv_expand_mdpackh_builtin): Ditto.
22600         (frv_expand_mclracc_builtin): Ditto.
22601         (frv_expand_mrdacc_builtin): Ditto.
22602         (frv_expand_mwtacc_builtin): Ditto.
22603         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
22604         calls for above.
22605
22606 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
22607
22608         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
22609         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
22610         cmpb instruction.
22611         (HAVE_GAS_DFP): Check for assembler support of decimal floating
22612         point instructions.
22613         * configure: Regenerate.
22614         * config.in: Regenerate.
22615         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
22616         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
22617         masks to power6 and power6x and to POWERPC_MASKS.
22618         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
22619         _ARCH_PWR6.
22620         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
22621         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
22622         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
22623         Access PROTOTYPE as variable, not mask.
22624
22625 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22626
22627         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
22628         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
22629         * combine.c (adjust_for_new_dest): Use it.
22630         * postreload.c (reload_combine): Likewise.
22631
22632 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22633
22634         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
22635         notes on an insn with multiple sets, even if single_set returns
22636         non-NULL for that insn.
22637
22638 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22639
22640         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
22641         scalbn and scalbln.
22642
22643 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
22644
22645         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
22646         if user didn't pass it.
22647         * config/i386/darwin.h (CC1_SPEC): Likewise.
22648         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
22649         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
22650         -mmacosx-version-min.
22651
22652 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22653             Uros Bizjak  <ubizjak@gmail.com>
22654
22655         * optabs.h (enum optab_index): Add new OTI_scalb.
22656         (scalb_optab): Define corresponding macro.
22657         * optabs.c (init_optabs): Initialize scalb_optab.
22658         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
22659         patterns.
22660         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
22661         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
22662         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
22663         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
22664         flag_unsafe_math_optimizations is set.
22665
22666         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
22667         to implement scalbf, scalb and scalbl built-ins as inline x87
22668         intrinsics.
22669
22670 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22671             DJ Delorie <dj@redhat.com>
22672
22673         PR other/30824
22674         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
22675         (diagnostic_report_diagnostic): ... here, and turn them into real
22676         errors. If warnings are inhibited, no need to do anything.
22677
22678 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
22679
22680         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
22681         better code generation.
22682
22683 2007-02-20  Ben Elliston  <bje@au.ibm.com>
22684
22685         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
22686
22687 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
22688
22689         * config/alpha/alpha.c, config/alpha/alpha.md,
22690         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
22691         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
22692         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
22693         config/arm/lib1funcs.asm: Follow spelling conventions.
22694
22695         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
22696         config/fr30/fr30.md, config/i386/i386.h,
22697         config/iq2000/iq2000.h, config/iq2000/predicates.md,
22698         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
22699         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
22700         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
22701         config/rs6000/altivec.md, config/rs6000/rs6000.c,
22702         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
22703         config/sparc/sparc.c, config/sparc/sparc.h,
22704         config/sparc/sparc.md, config/spu/constraints.md,
22705         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
22706         conventions.
22707
22708 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
22709
22710         PR target/29943
22711         * varasm.c (use_blocks_for_decl_p): Return false for decls with
22712         alias attribute.
22713
22714 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22715
22716         * doc/invoke.texi (-ftree-lrs): Remove.
22717
22718 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
22719
22720         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
22721         NULL.
22722
22723 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
22724
22725         * config/ia64/ia64.c (ia64_expand_builtin): Use the
22726         new CALL_EXPR_FN macro for retrieving the function
22727         declaration of the input expression.
22728
22729 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22730
22731         * c.opt (Waddress): New.
22732         * common.opt (Walways-true): Delete.
22733         (Wstring-literal-comparison): Delete.
22734         * doc/invoke.texi (Warning Options): Delete -Walways-true and
22735         -Wstring-literal-comparison. Add -Waddress.
22736         (Waddress): New.
22737         (Walways-true): Delete.
22738         (Wstring-literal-comparison): Delete.
22739         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
22740         consistently instead of -Walways-true in example.
22741         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
22742         * c-typeck.c (parser_build_binary_op): Replace
22743         -Wstring-literal-comparison and -Walways-true with -Waddress.
22744         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
22745         with -Waddress.
22746
22747 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22748
22749         * tree-cfg.c (dump_function_to_file): Be prepared for functions
22750         without DECL_STRUCT_FUNCTION initialized.
22751
22752 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22753
22754         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
22755         due to calls to functions taking pointers as parameters.
22756
22757 2007-02-19  Richard Henderson  <rth@redhat.com>
22758
22759         PR debug/29558
22760         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
22761         in memory.
22762
22763 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
22764
22765         * config/s390/s390.c (s390_call_saved_register_used,
22766         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
22767         accessed to the new scheme.
22768
22769 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
22770
22771         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
22772         (cris_print_index, cris_print_operand, cris_print_operand_address)
22773         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
22774         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
22775         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
22776         GET_CODE () == xxx.
22777         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
22778         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
22779         GO_IF_LEGITIMATE_ADDRESS): Ditto.
22780         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
22781         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
22782         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
22783         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
22784         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
22785         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
22786         (uminsi3, call, call_value): Ditto.
22787         (define_split: indir_to_reg_split, unnamed): Ditto.
22788
22789 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
22790
22791         PR tree-optimization/30975
22792         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
22793         wrong assert.
22794
22795 2007-02-18  Eric Christopher  <echristo@gmail.com>
22796
22797         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
22798         Remove use of arglist.
22799         (mips_expand_builtin): Remove use of arglist, pass in expr.
22800         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
22801         (mips_expand_builtin_movtf): Ditto.
22802         (mips_expand_builtin_compare): Ditto.
22803
22804 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22805
22806         * tree-sra.c (sra_build_assignment): Replace assertion
22807         checking with a comment explaining why it can't be done.
22808
22809 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22810
22811         PR middle-end/30833
22812         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
22813         during CALL_EXPR representation conversion.
22814         * tree-ssa-propagate.c (set_rhs): Likewise.
22815
22816 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22817
22818         * tree-sra.c (sra_build_assignment): Disable assertion checking
22819         for now.
22820
22821 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22822
22823         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
22824         instead of calling build2 with a GIMPLE_MODIFY_STMT.
22825         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
22826         Likewise.
22827         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
22828         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
22829         gimplify_init_ctor_eval_range, gimple_push_cleanup,
22830         gimplify_omp_for, gimplify_omp_atomic_pipeline,
22831         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
22832         force_gimple_operand): Likewise.
22833         * ipa-cp.c (constant_val_insert): Likewise.
22834         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
22835         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
22836         perfect_nestify): Likewise.
22837         * langhooks.c (lhd_omp_assignment): Likewise.
22838         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
22839         lower_copyprivate_clauses, lower_send_clauses,
22840         lower_send_shared_vars, expand_parallel_call,
22841         expand_omp_for_generic, expand_omp_for_static_nochunk,
22842         expand_omp_for_static_chunk, expand_omp_sections,
22843         lower_omp_single_copy, lower_omp_for_lastprivate,
22844         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
22845         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
22846         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
22847         Likewise.
22848
22849 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22850
22851         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
22852         config/sh/sh.md: Follow spelling conventions.
22853
22854         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
22855         config/frv/predicates.md: Follow spelling conventions.
22856
22857         * config/m68k/linux-unwind.h: Fix a comment typo.
22858         * target.h: Follow spelling conventions.
22859
22860 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22861
22862         PR rtl-optimization/28173
22863         * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
22864         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
22865         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
22866         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
22867         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
22868
22869 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22870
22871         * builtins.c (fold_builtin_load_exponent): New.
22872         (fold_builtin_2): Use it.
22873
22874 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
22875
22876         PR rtl-optimization/30773
22877         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
22878         if we fail to attach a REG_EQUIV note.
22879
22880 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
22881             Roger Sayle  <roger@eyesopen.com>
22882
22883         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
22884
22885 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22886
22887         * calls.c (initialize_argument_information): Pass original EXP
22888         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
22889         code to split complex arguments here, as part of initializing the
22890         ARGS array.
22891         (expand_call): Remove code that builds a list of arguments and
22892         inserts implicit arguments into it.  Instead, just count how many
22893         implicit arguments there will be so we can determine the size of
22894         the ARGS array, and let initialize_argument_information do the work.
22895         (split_complex_values): Delete unused function.
22896
22897 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
22898
22899         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
22900
22901 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
22902
22903         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
22904         for arg pointer based indexed addressing.
22905
22906 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
22907
22908         * config/ia64/ia64.h, config/ia64/ia64.md,
22909         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
22910         spelling conventions.
22911
22912 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22913
22914         * config/m68k/m68k.c (split_di): New.
22915         * config/m68k/m68k-protos.h: Declare split_di.
22916         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
22917           Improve predicate handling and split constant shifts.
22918
22919 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22920
22921         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
22922         parameter for register bitfield operations, general predicates
22923         cleanup
22924
22925 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22926
22927         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
22928         * config/m68k/linux-unwind.h: New file.
22929
22930 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
22931
22932         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
22933         config/i386/athlon.md, config/ia64/ia64.md,
22934         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
22935         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
22936         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
22937         tree-ssa-loop-niter.c, tree-vect-analyze.c,
22938         tree-vect-transform.c: Fix comment typos.
22939
22940 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
22941
22942         * sched-deps.c (find_insn_list): Remove.
22943         * sched-int.h: Remove the prototype for find_insn_list.
22944
22945 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
22946
22947         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
22948         to linker.
22949         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
22950         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
22951         darwin_rs6000_override_options.
22952         (C_COMMON_OVERRIDE_OPTIONS): Expect
22953         darwin_macosx_version_min to be non-NULL always.
22954         (TARGET_C99_FUNCTIONS): Likewise.
22955         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
22956         (DARWIN_MINVERSION_SPEC): New.
22957         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
22958         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
22959         to cc1*.
22960         (DARWIN_MINVERSION_SPEC): New.
22961         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
22962         value.
22963         * config/darwin-c.c (darwin_cpp_builtins): Expect
22964         darwin_macosx_version_min to be non-NULL always.
22965
22966         * config/rs6000/rs6000.c: Clean up trailing whitespace.
22967
22968 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
22969
22970         * config/i386/i386.h (x86_use_xchgb): New.
22971         (TARGET_USE_XCHGB): New macro.
22972         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
22973         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
22974         Split after reload into bswaphi for shifts of 8.
22975         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
22976         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
22977         or when optimizing for size.
22978
22979 2007-02-16  Richard Guenther  <rguenther@suse.de>
22980             Christian Bruel  <christian.bruel@st.com>
22981
22982         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
22983         DECLs but prefer SSA_NAMEs over DECLs.
22984
22985 2007-02-16  Richard Guenther  <rguenther@suse.de>
22986
22987         * tree-flow-inline.h (single_imm_use_p): Remove.
22988         (zero_imm_uses_p): Likewise.
22989         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
22990         instead of single_imm_use_p.
22991         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
22992         zero_imm_uses_p.
22993
22994 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22995
22996         PR other/27843
22997         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
22998         nested double- and backquotes.
22999
23000 2007-02-15  Roger Sayle  <roger@eyesopen.com>
23001
23002         PR middle-end/30391
23003         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
23004         should be unreachable.
23005         (build2_stat): Allow construction of MODIFY_EXPR at any time.
23006         For the time being redirect GIMPLE_MODIFY_STMT to the new
23007         (renamed) build_gimple_modify_stmt_stat.
23008         (build2_gimple_stat): Rename to...
23009         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
23010         Always build a GIMPLE_MODIFY_STMT node.
23011         * tree.h (build2_gimple, build2_gimple_stat): Delete.
23012         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
23013         declarations.
23014
23015         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
23016         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
23017         * tree-complex.c (set_component_ssa_name, expand_complex_move,
23018         expand_complex_div_wide): Likewise.
23019         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
23020         * tree-ssa-loop-im.c (schedule_sm): Likewise.
23021         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
23022         * tree-ssa-loop-manip.c (create_iv): Likewise.
23023         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
23024         abs_replacement): Likewise.
23025         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
23026         realify_fake_stores): Likewise.
23027
23028         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
23029         node rather than a GIMPLE_MODIFY_STMT node.
23030         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
23031         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
23032         Likewise.
23033         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
23034         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
23035         GIMPLE_MODIFY_STMT.
23036
23037 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23038
23039         PR middle-end/30433
23040         * fold-const.c (fold_comparison): Add back the
23041         folding of constant complex comparisions.
23042
23043 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23044
23045         PR middle-end/30729
23046         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
23047         effects unknown to this function, return early.
23048
23049 2007-02-15  Ian Lance Taylor  <iant@google.com>
23050
23051         * lower-subreg.c (move_eh_region_note): New static function.
23052         (resolve_simple_move): Call it.
23053         (decompose_multiword_subregs): Track blocks for which we resolve a
23054         simple move which is also a control flow insn.  Pass them to
23055         find_many_sub_basic_blocks.
23056         (pass_lower_subreg): Add TODO_verify_flow.
23057         (pass_lower_subreg2): Likewise.
23058
23059 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23060             Brooks Moses  <brooks.moses@codesourcery.com>
23061             Lee Millward  <lee.millward@codesourcery.com>
23062
23063         * tree.h (enum tree_code_class): Add tcc_vl_exp.
23064         (VL_EXP_CLASS_P): New.
23065         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
23066         TREE_CODE_LENGTH.
23067         (TREE_OPERAND_CHECK_CODE): Likewise.
23068         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
23069         (TREE_RTL_OPERAND_CHECK): Likewise.
23070         (tree_operand_check_failed): Make second parameter the whole tree
23071         instead of its code.  Fixed callers.
23072         (VL_EXP_CHECK): New.
23073         (TREE_OPERAND_LENGTH): New.
23074         (VL_EXP_OPERAND_LENGTH): New.
23075         (CALL_EXPR_FN): New.
23076         (CALL_EXPR_STATIC_CHAIN): New.
23077         (CALL_EXPR_ARGS): New.
23078         (CALL_EXPR_ARG): New.
23079         (call_expr_nargs): New.
23080         (CALL_EXPR_ARGP): New.
23081         (build_nt_call_list): Declare.
23082         (build_vl_exp_stat): Declare.
23083         (build_vl_exp): New.
23084         (build_call_list): Declare.
23085         (build_call_nary): Declare.
23086         (build_call_valist): Declare.
23087         (build_call_array): Declare.
23088         (call_expr_arg): Declare.
23089         (call_expr_argp): Declare.
23090         (call_expr_arglist): Declare.
23091         (fold_build_call_list): Declare.
23092         (fold_build_call_list_initializer): Declare.
23093         (fold_call_expr): Declare to replace fold_builtin.
23094         (fold_builtin_fputs): Update to agree with modified definition.
23095         (fold_builtin_strcpy): Likewise.
23096         (fold_builtin_strncpy): Likewise.
23097         (fold_builtin_memory_chk): Likewise.
23098         (fold_builtin_stxcpy_chk): Likewise.
23099         (fold_builtin_strncpy_chk): Likewise.
23100         (fold_builtin_next_arg): Likewise.
23101         (fold_build_call_expr): Declare.
23102         (fold_builtin_call_list): Declare.
23103         (fold_builtin_call_valist): Declare.
23104         (build_call_expr): Declare.
23105         (validate_arglist): Update to agree with modified definition.
23106         (tree_operand_length): New.
23107         (call_expr_arg_iterator): New.
23108         (init_call_expr_arg_iterator): New.
23109         (next_call_expr_arg): New.
23110         (first_call_expr_arg): New.
23111         (more_call_expr_args_p): New.
23112         (FOR_EACH_CALL_EXPR_ARG): New.
23113
23114         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
23115         and tcc_gimple_stmt.
23116         (tree_code_size): Update documentation.  Use sizeof (tree) rather
23117         than sizeof (char *).
23118         (tree_size): Likewise.  Add case for tcc_vl_exp.
23119         (tree_node_structure): Add case for tcc_vl_exp.
23120         (contains_placeholder_p): Likewise.
23121         (substitute_in_expr): Likewise.
23122         (substitute_placeholder_in_expr): Likewise.
23123         (stabilize_reference_1): Likewise.
23124         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
23125         to diagnose breakage of this interface for constructing CALL_EXPRs.
23126         (build_nt): Add similar assertion here.
23127         (build_nt_call_list): New.
23128         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
23129         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
23130         TREE_CODE_LENGTH.
23131         (get_callee_fndecl): Use new CALL_EXPR accessors.
23132         (tree_operand_check_failed): Change parameters to pass entire node
23133         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
23134         (process_call_operands): New.
23135         (build_vl_exp_stat): New.
23136         (build_call_list): New.
23137         (build_call_nary): New.
23138         (build_call_valist): New.
23139         (build_call_array): New.
23140         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23141         (call_expr_arglist): New.
23142
23143         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
23144         tcc_vl_exp instead of a fixed-size tcc_expression.
23145
23146         * doc/c-tree.texi (CALL_EXPR): Document new representation and
23147         accessors for CALL_EXPRs.
23148         (AGGR_INIT_EXPR): Likewise.
23149
23150 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23151             Brooks Moses  <brooks.moses@codesourcery.com>
23152             Lee Millward  <lee.millward@codesourcery.com>
23153
23154         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
23155         (expand_builtin_nonlocal_goto): Change parameter to be entire
23156         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
23157         (expand_builtin_prefetch): Likewise.
23158         (expand_builtin_classify_type): Likewise.
23159         (mathfn_built_in): Return NULL_TREE instead of 0.
23160         (expand_errno_check): Use new CALL_EXPR accessors.
23161         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
23162         Return NULL_RTX instead of 0.
23163         (expand_builtin_mathfn_2): Likewise.
23164         (expand_builtin_mathfn_3): Likewise.
23165         (expand_builtin_interclass_mathfn): Likewise.
23166         (expand_builtin_sincos): Likewise.
23167         (expand_builtin_cexpi): Likewise.
23168         (expand_builtin_int_roundingfn): Likewise.
23169         (expand_builtin_int_roundingfn_2): Likewise.
23170         (expand_builtin_pow): Likewise.
23171         (expand_builtin_powi): Likewise.
23172         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
23173         of arglist, fixing callers appropriately.  Use new CALL_EXPR
23174         accessors and constructors.  Return NULL_RTX instead of 0.
23175         (expand_builtin_strstr): Likewise.
23176         (expand_builtin_strchr): Likewise.
23177         (expand_builtin_strrchr): Likewise.
23178         (expand_builtin_strpbrk): Likewise.
23179         (expand_builtin_memcpy): Likewise.
23180         (expand_builtin_mempcpy): Likewise.
23181         (expand_builtin_mempcpy_args): New.
23182         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
23183         (expand_builtin_memmove_args): New.
23184         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
23185         (expand_movstr): Likewise.
23186         (expand_builtin_strcpy): Likewise.
23187         (expand_builtin_strcpy_args): New.
23188         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
23189         (expand_builtin_strncpy): Likewise.
23190         (expand_builtin_memset): Likewise.
23191         (expand_builtin_memset_args): New.
23192         (expand_builtin_bzero): Similarly to expand_builtin_memset.
23193         (expand_builtin_memcmp): Likewise.
23194         (expand_builtin_strcmp): Likewise.
23195         (expand_builtin_strncmp): Likewise.
23196         (expand_builtin_strcat): Likewise.
23197         (expand_builtin_strncat): Likewise.
23198         (expand_builtin_strspn): Likewise.
23199         (expand_builtin_strcspn): Likewise.
23200         (expand_builtin_args_info): Likewise.
23201         (expand_builtin_va_start): Likewise.
23202         (gimplify_va_arg_expr): Likewise.
23203         (expand_builtin_va_end): Likewise.
23204         (expand_builtin_va_copy): Likewise.
23205         (expand_builtin_frame_address): Likewise.
23206         (expand_builtin_alloca): Likewise.
23207         (expand_builtin_bswap): Likewise.
23208         (expand_builtin_unop): Likewise.
23209         (expand_builtin_fputs): Likewise.
23210         (expand_builtin_expect): Likewise.
23211         (expand_builtin_fabs): Likewise.
23212         (expand_builtin_copysign): Likewise.
23213         (expand_builtin_printf): Likewise.
23214         (expand_builtin_fprintf): Likewise.
23215         (expand_builtin_sprintf): Likewise.
23216         (expand_builtin_init_trampoline): Likewise.
23217         (expand_builtin_signbit): Likewise.
23218         (expand_builtin_fork_or_exec): Likewise.
23219         (expand_builtin_sync_operation): Likewise.
23220         (expand_builtin_compare_and_swap): Likewise.
23221         (expand_builtin_lock_test_and_set): Likewise.
23222         (expand_builtin_lock_release): Likewise.
23223         (expand_builtin): Likewise.
23224         (builtin_mathfn_code): Likewise.
23225
23226         (fold_builtin_constant_p): Pass call arguments individually instead
23227         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23228         accessors and constructors.  Return NULL_TREE instead of 0.
23229         (fold_builtin_expect): Likewise.
23230         (fold_builtin_classify_type): Likewise.
23231         (fold_builtin_strlen): Likewise.
23232         (fold_builtin_nan): Likewise.
23233         (integer_valued_real_p): Likewise.
23234         (fold_trunc_transparent_mathfn): Likewise.
23235         (fold_fixed_mathfn): Likewise.
23236         (fold_builtin_cabs): Likewise.
23237         (fold_builtin_sqrt): Likewise.
23238         (fold_builtin_cbrt): Likewise.
23239         (fold_builtin_cos): Likewise.
23240         (fold_builtin_cosh): Likewise.
23241         (fold_builtin_tan): Likewise.
23242         (fold_builtin_sincos): Likewise.
23243         (fold_builtin_cexp): Likewise.
23244         (fold_builtin_trunc): Likewise.
23245         (fold_builtin_floor): Likewise.
23246         (fold_builtin_ceil): Likewise.
23247         (fold_builtin_round): Likewise.
23248         (fold_builtin_int_roundingfn): Likewise.
23249         (fold_builtin_bitop): Likewise.
23250         (fold_builtin_bswap): Likewise.
23251         (fold_builtin_logarithm): Likewise.
23252         (fold_builtin_hypot): Likewise.
23253         (fold_builtin_pow): Likewise.
23254         (fold_builtin_powi): Likewise.
23255         (fold_builtin_exponent): Likewise.
23256         (fold_builtin_memset): Likewise.
23257         (fold_builtin_bzero): Likewise.
23258         (fold_builtin_memory_op): Likewise.
23259         (fold_builtin_bcopy): Deleted; call site changed to invoke
23260         fold_builtin_memory_op directly.
23261         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
23262         (fold_builtin_strncpy): Likewise.
23263         (fold_builtin_memcmp): Likewise.
23264         (fold_builtin_strcmp): Likewise.
23265         (fold_builtin_strncmp): Likewise.
23266         (fold_builtin_signbit): Likewise.
23267         (fold_builtin_copysign): Likewise.
23268         (fold_builtin_isascii): Likewise.
23269         (fold_builtin_toascii): Likewise.
23270         (fold_builtin_isdigit): Likewise.
23271         (fold_builtin_fabs): Likewise.
23272         (fold_builtin_abs): Likewise.
23273         (fold_builtin_fmin_fmax): Likewise.
23274         (fold_builtin_carg): Likewise.
23275         (fold_builtin_classify): Likewise.
23276         (fold_builtin_unordered_cmp): Likewise.
23277
23278         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
23279         New functions split out from fold_builtin_1.
23280         (fold_builtin_n): New.
23281         (fold_builtin_varargs): New.
23282         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
23283         instead.
23284         (fold_call_expr): New.
23285         (build_function_call_expr): Rewrite to use new helper function.
23286         (fold_builtin_call_list): New.
23287         (build_call_expr): New.
23288         (fold_builtin_call_valist): New.
23289         (rewrite_call_expr): New.
23290         (validate_arg): New.
23291         (validate_arglist): Change parameter to be entire CALL_EXPR instead
23292         of an arglist.  Change return type to bool.  Use new CALL_EXPR
23293         accessors.
23294
23295         (fold_builtin_strstr): Pass call arguments individually instead
23296         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23297         accessors and constructors.  Return NULL_TREE instead of 0.
23298         (fold_builtin_strchr): Likewise.
23299         (fold_builtin_strrchr): Likewise.
23300         (fold_builtin_strpbrk): Likewise.
23301         (fold_builtin_strcat): Likewise.
23302         (fold_builtin_strncat): Likewise.
23303         (fold_builtin_strspn): Likewise.
23304         (fold_builtin_strcspn): Likewise.
23305         (fold_builtin_fputs): Likewise.
23306         (fold_builtin_next_arg): Likewise.
23307         (fold_builtin_sprintf): Likewise.
23308
23309         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
23310         NULL_RTX instead of 0.
23311         (expand_builtin_memory_chk): Likewise.
23312         (maybe_emit_chk_warning): Likewise.
23313         (maybe_emit_sprintf_chk_warning): Likewise.
23314
23315         (fold_builtin_object_size): Pass call arguments individually instead
23316         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23317         accessors and constructors.  Return NULL_TREE instead of 0.
23318         (fold_builtin_memory_chk): Likewise.
23319         (fold_builtin_stxcpy_chk): Likewise.
23320         (fold_builtin_strncpy_chk): Likewise.
23321         (fold_builtin_strcat_chk): Likewise.
23322         (fold_builtin_strcat_chk): Likewise.
23323         (fold_builtin_strncat_chk): Likewise.
23324         (fold_builtin_sprintf_chk): Likewise.
23325         (fold_builtin_snprintf_chk): Likewise.
23326         (fold_builtin_printf): Likewise.
23327         (fold_builtin_vprintf): Likewise.
23328
23329         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
23330         constructors.
23331         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
23332         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23333         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
23334         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
23335         (fold_unary): Likewise.
23336         (fold_binary): Likewise.
23337         (fold_ternary): Remove CALL_EXPR case, since they are no longer
23338         ternary expressions.
23339         (fold): Add logic for tcc_vl_exp.
23340         (fold_checksum_tree): Make it know about tcc_vl_exp.  Use
23341         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23342         (fold_build3_stat): Add assertion to flag broken interface for
23343         constructing CALL_EXPRs.
23344         (fold_build_call_list): New.
23345         (fold_build_call_list_initializer): New.
23346         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
23347         constructors.
23348         (fold_strip_sign_ops): Likewise.
23349
23350 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23351             Brooks Moses  <brooks.moses@codesourcery.com>
23352             Lee Millward  <lee.millward@codesourcery.com>
23353
23354         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
23355         accessors and dump arguments explicitly.
23356
23357         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
23358         TREE_CODE_LENGTH.
23359         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
23360         explicitly.
23361         (print_call_name): Use new CALL_EXPR accessors.
23362
23363         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
23364         CALL_EXPR arguments explicitly instead of as a list.  Use
23365         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23366
23367         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
23368         (vrp_visit_stmt): Likewise.
23369
23370         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
23371         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
23372         TREE_CODE_LENGTH.
23373         (force_move_till_expr): Likewise.
23374
23375         * targhooks.c (default_external_stack_protect_fail): Use
23376         build_call_expr instead of build_function_call_expr.
23377         (default_hidden_stack_protect_fail): Likewise.
23378
23379         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
23380         build the call.
23381
23382         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
23383         and walk arguments explicitly.
23384
23385         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
23386         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23387         (expand_simple_operations): Likewise.
23388         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
23389
23390         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
23391         of TREE_CODE_LENGTH.
23392         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
23393
23394         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
23395         instead of TREE_CODE_LENGTH.
23396
23397         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
23398         (tree_ic_transform): Likewise.
23399         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
23400         parameter instead of arglist.  Fix callers.
23401         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
23402         (tree_stringops_transform): Likewise.
23403         (tree_indirect_call_to_profile): Likewise.
23404         (tree_stringops_values_to_profile): Likewise.
23405
23406         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
23407         (eliminate_tail_call): Likewise.
23408
23409         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
23410
23411         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
23412         Use TREE_OPERAND_LENGTH and generalize to handle any number of
23413         operands.
23414         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
23415
23416         * omp-low.c (build_omp_barrier): Use build_call_expr.
23417         (lower_rec_input_clauses): Likewise.
23418         (lower_reduction_clauses): Likewise.
23419         (expand_parallel_call): Likewise.
23420         (maybe_catch_exception): Likewise.
23421         (expand_omp_for_generic): Likewise.
23422         (expand_omp_for_static_nochunk): Likewise.
23423         (expand_omp_sections): Likewise.
23424         (lower_omp_single_simple): Likewise.
23425         (lower_omp_single_copy): Likewise.
23426         (lower_omp_master): Likewise.
23427         (lower_omp_ordered): Likewise.
23428         (lower_omp_critical): Likewise.
23429
23430         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
23431         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
23432
23433         * tree-gimple.c (is_gimple_call_addr): Fix doc.
23434         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
23435         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
23436
23437         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
23438         and generalize to handle any number of operands.
23439         (chrec_contains_undetermined): Likewise.
23440         (tree_contains_chrecs): Likewise.
23441         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
23442
23443         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
23444
23445         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
23446         fold_call_expr instead of fold_builtin.
23447         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
23448         match declarations there.
23449         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
23450         updates.
23451
23452         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
23453         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23454
23455         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
23456         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
23457
23458         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
23459         accessors.
23460
23461         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
23462         (execute_cse_sincos): Use new CALL_EXPR accessors.
23463
23464         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
23465
23466         * gimple-low.c (lower_function_body): Use build_call_expr.
23467         (lower_builtin_setjmp): Likewise.
23468
23469         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
23470         (set_storage_via_libcall): Likewise.
23471         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
23472         instead of TREE_CODE_LENGTH.
23473         (expand_expr_real_1): Use new CALL_EXPR accessors.
23474
23475         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
23476         generalize to handle any number of operands.
23477         (TB_parent_eq): Likewise.
23478
23479         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
23480         (strip_builtin_expect): Likewise.
23481
23482         * function.c (gimplify_parameters): Use build_call_expr.
23483
23484         * tree-vectorizer.c (vect_is_simple_reduction): Use
23485         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23486
23487         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
23488         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
23489
23490         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
23491         iterators.
23492
23493         * gimplify.c (build_stack_save_restore): Use build_call_expr.
23494         (gimplify_decl_expr): Likewise.
23495         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
23496         Use new CALL_EXPR iterators.
23497         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
23498         (gimplify_modify_expr_to_memset): Likewise.
23499         (gimplify_variable_sized_compare): Likewise.
23500         (gimplify_omp_atomic_fetch_op): Likewise.
23501         (gimplify_omp_atomic_pipeline): Likewise.
23502         (gimplify_omp_atomic_mutex): Likewise.
23503         (gimplify_function_tree): Likewise.
23504
23505         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
23506         (call_expr_flags): Likewise.
23507         (expand_call): Likewise.
23508
23509         * except.c (expand_builtin_eh_return_data_regno): Pass entire
23510         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23511         accessors.
23512
23513         * coverage.c (create_coverage): Use build_call_expr.
23514
23515         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
23516         (temp_call_expr_obstack): New.
23517         (pool_copy_list): Delete.
23518         (temp_copy_call_expr): New.
23519         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
23520         CALL_EXPR accessors.  Get rid of special goo for copying argument
23521         lists and use temp_copy_call_expr instead.
23522         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
23523         CALL_EXPR accessors.
23524         (create_expression_by_pieces): Likewise.  Use build_call_array
23525         to construct the result instead of fold_build3.
23526         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
23527         dealing with argument lists.
23528         (init_pre): Remove references to expression_node_pool and
23529         list_node_pool.  Init temp_call_expr_obstack instead.
23530         (fini_pre): Remove references to expression_node_pool and
23531         list_node_pool.
23532
23533         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
23534         and walk arguments explicitly instead of as a list.
23535
23536         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
23537         (mx_register_decls): Likewise.
23538         (mudflap_register_call): Likewise.
23539         (mudflap_finish_file): Likewise.
23540
23541         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
23542         (ipa_callsite_compute_param): Likewise.
23543
23544         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
23545         accessors and constructor.
23546
23547         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
23548         accessors and constructor.
23549         (convert_tramp_reference): Likewise.
23550         (convert_call_expr): Likewise.
23551         (finalize_nesting_tree_1): Likewise.
23552
23553         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
23554         accessors.
23555
23556         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
23557
23558         * tree-inline.c (initialize_inlined_parameters): Pass entire
23559         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23560         accessors.
23561         (estimate_num_insns_1): Use new CALL_EXPR accessors.
23562         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
23563
23564         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
23565         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23566         (vectorizable_reduction): Likewise.
23567         (vectorizable_call): Use new CALL_EXPR iterators.
23568         (vectorizable_conversion): Use build_call_expr.
23569         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
23570         (vect_gen_widened_results_half): Use build_call_expr.
23571         (vect_setup_realignment): Likewise.
23572         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
23573
23574         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
23575         (pass_through_call): Likewise.
23576         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
23577         fold_builtin.
23578
23579         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
23580         (tree_gen_pow2_profiler): Likewise.
23581         (tree_gen_one_value_profiler): Likewise.
23582         (tree_gen_ic_func_profiler): Likewise.
23583         (tree_gen_average_profiler): Likewise.
23584         (tree_gen_ior_profiler): Likewise.
23585
23586         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
23587         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
23588         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23589
23590         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
23591         of TREE_CODE_LENGTH.
23592
23593         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
23594         of TREE_CODE_LENGTH.
23595
23596         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
23597         constructor.
23598         (convert_to_integer): Likewise.
23599
23600         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
23601         accessors.
23602
23603 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23604             Brooks Moses  <brooks.moses@codesourcery.com>
23605             Lee Millward  <lee.millward@codesourcery.com>
23606
23607         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
23608         accessors.
23609         * config/frv/frv.c (frv_expand_builtin): Likewise.
23610         * config/s390/s390.c (s390_expand_builtin): Likewise.
23611
23612         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
23613         (sparc_expand_builtin): Use new CALL_EXPR accessors.
23614
23615         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
23616         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
23617         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
23618         (ix86_expand_store_builtin): Likewise.
23619         (ix86_expand_unop_builtin): Likewise.
23620         (ix86_expand_unop1_builtin): Likewise.
23621         (ix86_expand_sse_compare): Likewise.
23622         (ix86_expand_sse_comi): Likewise.
23623         (ix86_expand_vec_init_builtin): Likewise.
23624         (ix86_expand_vec_ext_builtin): Likewise.
23625         (ix86_expand_vec_set_builtin): Likewise.
23626         (ix86_expand_builtin): Use new CALL_EXPR accessors.
23627
23628         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
23629         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
23630
23631         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
23632         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23633         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
23634
23635         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
23636         build_call_expr.
23637         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
23638         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
23639         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23640         (altivec_expand_abs_builtin): Likewise.
23641         (rs6000_expand_binop_builtin): Likewise.
23642         (altivec_expand_predicate_builtin): Likewise.
23643         (altivec_expand_lv_builtin): Likewise.
23644         (spe_expand_stv_builtin): Likewise.
23645         (altivec_expand_stv_builtin): Likewise.
23646         (rs6000_expand_ternop_builtin): Likewise.
23647         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
23648         (altivec_expand_st_builtin): Likewise.
23649         (altivec_expand_dst_builtin): Likewise.
23650         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
23651         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23652         (altivec_expand_vec_set_builtin): Likewise.
23653         (altivec_expand_vec_ext_builtin): Likewise.
23654         (altivec_expand_builtin): Use new CALL_EXPR accessors.
23655         (spe_expand_builtin): Likewise.
23656         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
23657         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23658         (spe_expand_evsel_builtin): Likewise.
23659         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
23660         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
23661
23662         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
23663         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23664         (arm_expand_unop_builtin): Likewise.
23665         (arm_expand_builtin): Use new CALL_EXPR accessors.
23666
23667         * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
23668         accessors.
23669
23670         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
23671         CALL_EXPR instead of arglist.  Use new CALL_EXPR accessors.
23672         Fix callers.
23673         (bfin_expand_unop_builtin): Likewise.
23674         (bfin_expand_builtin): Use new CALL_EXPR accessors.
23675
23676 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23677             Brooks Moses  <brooks.moses@codesourcery.com>
23678             Lee Millward  <lee.millward@codesourcery.com>
23679
23680         * c-semantics.c (build_stmt): Add internal diagnostic check.
23681
23682         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
23683         accessors.  Print arguments explicitly instead of as a list.
23684
23685         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
23686
23687         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
23688         (c_finish_omp_flish): Likewise.
23689
23690         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
23691         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
23692         instead of TREE_CODE_LENGTH.
23693         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
23694         (c_warn_unused_result): Likewise.
23695
23696 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23697
23698         PR c/26494
23699         * doc/invoke.texi (Warning Options): Remove
23700         -Werror-implicit-function-declaration.
23701         (Wimplicit-function-declaration): Update description.
23702         * opts.c (common_handle_option): Move handling of -Werror=* to...
23703         (enable_warning_as_error): ...here.
23704         * opts.h (enable_warning_as_error): Declare.
23705         * c-decl.c (implicit_decl_warning): Unless
23706         -Wno-implicit-function-declaration is given, emit a pedwarn if
23707         -std=c99 or emit a warning if -Wimplicit-function-declaration.
23708         * c.opt (Wimplicit-function-declaration): Replace
23709         mesg_implicit_function_declaration with
23710         warn_implicit_function_declaration.
23711         * c-opts.c (c_common_handle_option):
23712         -Werror-implicit-function-declaration is exactly equal as
23713         -Werror=implicit-function-declaration.
23714         (set_Wimplicit): Replace mesg_implicit_function_declaration with
23715         warn_implicit_function_declaration.
23716         (c_common_post_options): -Wimplict-function-declaration is enabled
23717         by default by -std=c99, otherwise is disabled by default.
23718         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
23719
23720 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23721
23722         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
23723         DECL on the rhs to a DECL on the lhs for debug info purposes if the
23724         former is ignored but not the latter.
23725
23726 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23727
23728         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
23729         is made and the reference doesn't use the alias set of its type,
23730         do not create the temporary using that type.
23731
23732 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
23733
23734         * jump.c: Remove prototypes for delete_computation and
23735         delete_prior_computation.
23736
23737 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23738
23739         * jump.c (get_label_after): Delete.
23740         (get_label_before, delete_computation, delete_jump,
23741         delete_prior_computation, follow_jumps): Move...
23742         * reorg.c (delete_computation, delete_prior_computation): ... here...
23743         (get_label_before, delete_jump): ... making these static ...
23744         (follow_jumps): ... and simplifying this since it only runs after
23745         reload.
23746         * rtl.h (get_label_after, get_label_before, delete_jump,
23747         follow_jumps): Delete prototypes.
23748
23749 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23750
23751         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
23752
23753 2007-02-15  Nick Clifton  <nickc@redhat.com>
23754
23755         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
23756         order to prevent it from being munged by the target.
23757
23758 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
23759
23760         * config/i386/i386.md: Remove misleading comment.
23761
23762 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23763
23764         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
23765         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
23766         invalid patterns.
23767
23768 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23769
23770         * tree-sra.c (instantiate_missing_elements): Canonicalize
23771         bit-field types.
23772         (sra_build_assignment): New.
23773         (generate_copy_inout, generate_element_copy,
23774         generate_element_zero, generate_one_element_init): Use it.
23775
23776 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23777
23778         * tree-sra.c (instantiate_missing_elements): Canonicalize
23779         bit-field types.
23780         (sra_build_assignment): New.
23781         (generate_copy_inout, generate_element_copy,
23782         generate_element_zero, generate_one_element_init): Use it.
23783
23784 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23785
23786         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
23787         limbo die nodes.
23788
23789 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
23790
23791         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
23792         types as aggregates not scalars.
23793         * function.c (assign_stack_temp_for_type): Likewise.
23794
23795 2007-02-14  Roger Sayle  <roger@eyesopen.com>
23796             Zdenek Dvorak  <dvorakz@suse.cz>
23797
23798         * tree-dump.c (dump_switch_p_1): Require exact match of the option
23799         name.
23800
23801 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
23802
23803         * passes.c (next_pass_1): Clear the next field of the copied
23804         pass structure.
23805
23806 2007-02-14  Richard Henderson  <rth@redhat.com>
23807
23808         * tree-sra.c (early_sra): New.
23809         (decl_can_be_decomposed_p): Deny va_list if early_sra.
23810         (tree_sra_early, pass_sra_early): New.
23811         * tree-pass.h (pass_sra_early): Declare.
23812         * passes.c (init_optimization_passes): Use it.
23813
23814 2007-02-14  Richard Guenther  <rguenther@suse.de>
23815
23816         * flags.h (issue_strict_overflow_warning): Convert to a macro.
23817
23818 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
23819
23820          PR tree-optimization/30771
23821         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
23822         also phi nodes.
23823         (vect_analyze_operations): Induction phis can now be marked as
23824         used_in_loop.
23825         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
23826         Update documentation accordingly.
23827
23828 2007-02-14  Nick Clifton  <nickc@redhat.com>
23829
23830         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
23831         most 3 arguments are supported.
23832         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
23833
23834 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
23835
23836         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
23837         Ensure dst->current is valid.
23838
23839 2007-02-13  Paul Brook  <paul@codesourcery.com>
23840
23841         * config.gcc: Add arm*-*-uclinux-*eabi.
23842         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
23843         (SUBTARGET_EXTRA_LINK_SPEC): Define.
23844         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
23845         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
23846         (LINK_SPEC): Define.
23847         (LIB_SPEC): Define.
23848         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
23849         register.
23850         * config/arm/uclinux-eabi.h: New file.
23851         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
23852         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
23853         based targets.
23854
23855 2007-02-13  Ian Lance Taylor  <iant@google.com>
23856
23857         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
23858         * flags.h (warn_strict_overflow): Declare.
23859         (enum warn_strict_overflow_code): Define.
23860         (issue_strict_overflow_warning): New static inline function.
23861         * opts.c (warn_strict_overflow): New variable.
23862         (common_handle_option): Handle OPT_Wstrict_overflow and
23863         OPT_Wstrict_overflow_.
23864         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
23865         OPT_Wall.
23866         * fold-const.c: Include intl.h.
23867         (fold_deferring_overflow_warnings): New static variable.
23868         (fold_deferred_overflow_warning): New static variable.
23869         (fold_deferred_overflow_code): New static variable.
23870         (fold_defer_overflow_warnings): New function.
23871         (fold_undefer_overflow_warnings): New function.
23872         (fold_undefer_and_ignore_overflow_warnings): New function.
23873         (fold_deferring_overflow_warnings_p): New function.
23874         (fold_overflow_warning): New static function.
23875         (make_range): Add strict_overflow_p parameter.  Change all
23876         callers.
23877         (extract_muldiv, extract_muldiv_1): Likewise.
23878         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
23879         tree_expr_nonnegative_p.
23880         (fold_negate_expr): Call fold_overflow_warning.
23881         (fold_range_test): Likewise.
23882         (fold_comparison): Likewise.
23883         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
23884         instead of tree_expr_nonnegative_p.
23885         (tree_expr_nonnegative_warnv_p): Rename from
23886         tree_expr_nonnegative_p, add strict_overflow_p parameter.
23887         (tree_expr_nonnegative_p): New function.
23888         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
23889         strict_overflow_p parameter.
23890         (tree_expr_nonzero_p): New function.
23891         * passes.c (verify_interpass_invariants): New static function.
23892         (execute_one_pass): Call it.
23893         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
23894         warnings.
23895         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
23896         (estimate_numbers_of_iterations): Likewise.
23897         (scev_probably_wraps_p): Likewise.
23898         * tree-ssa-ccp.c: Include "toplev.h".
23899         (evaluate_stmt): Defer fold overflow warnings until we know we are
23900         going to optimize.
23901         (struct fold_stmt_r_data): Add stmt field.
23902         (fold_stmt_r): Defer fold overflow warnings until we know we
23903         optimized.
23904         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
23905         (fold_stmt_inplace): Likewise.
23906         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
23907         (cleanup_control_expr_graph): Defer fold overflow warnings until
23908         we know we are going to optimize.
23909         * tree-cfg.c (fold_cond_expr_cond): Likewise.
23910         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
23911         Likewise.
23912         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
23913         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
23914         * tree-ssa-loop-manip.c (create_iv): Likewise.
23915         * c-typeck.c (build_conditional_expr): Likewise.
23916         (build_binary_op): Likewise.
23917         * tree-vrp.c (vrp_expr_computes_nonzero): Call
23918         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
23919         (extract_range_from_unary_expr): Likewise.
23920         * simplify-rtx.c (simplify_const_relational_operation): Warn when
23921         assuming that signed overflow does not occur.
23922         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
23923         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
23924         (fold_defer_overflow_warnings): Declare.
23925         (fold_undefer_overflow_warnings): Declare.
23926         (fold_undefer_and_ignore_overflow_warnings): Declare.
23927         (fold_deferring_overflow_warnings_p): Declare.
23928         (tree_expr_nonzero_warnv_p): Declare.
23929         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
23930         of warning options.
23931         (Warning Options): Document -Wstrict-overflow.
23932         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
23933         (tree-ssa-ccp.o): Likewise.
23934         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
23935         (fold-const.o): Depend on intl.h.
23936
23937 2007-02-13  Ian Lance Taylor  <iant@google.com>
23938
23939         PR middle-end/30751
23940         * lower-subreg.c (resolve_simple_move): Decompose subregs in
23941         addresses.
23942
23943 2007-02-13  Stuart Hastings  <stuart@apple.com>
23944
23945         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
23946
23947 2007-02-13  Richard Henderson  <rth@redhat.com>
23948
23949         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
23950         handled_component_p before looking for the indirect_ref.
23951
23952 2007-02-13  Richard Henderson  <rth@redhat.com>
23953
23954         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
23955         remove flags clobber.
23956         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
23957         (bswaphi_lowpart): New.
23958         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
23959         remove TARGET_BSWAP test.  Delete expander of the same name.
23960
23961         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
23962         (expand_unop): Use them.
23963
23964 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
23965
23966         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
23967         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
23968         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
23969         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
23970         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
23971         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
23972         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
23973         assembler dialect choice from asm templates.
23974
23975 2007-02-12  Richard Henderson  <rth@redhat.com>
23976
23977         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
23978         (fixuns_trunc<SSEMODEF>si2): Use it.
23979         * config/i386/sse.md (vec_setv4sf_0): Export.
23980         * config/i386/i386.c (ix86_build_const_vector): Export.
23981         (ix86_split_convert_uns_si_sse): Rename from
23982         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
23983         * config/i386/i386-protos.h: Update.
23984
23985 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23986
23987         PR c/29521
23988         * c-typeck.c (c_finish_return): Improve warning message.
23989
23990 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23991
23992         * alias.c (find_symbolic_term): Delete unused function.
23993
23994 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
23995
23996         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
23997         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
23998         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
23999
24000 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
24001
24002         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
24003         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
24004         the function, temporarily point the debug interface to the null one.
24005
24006 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
24007
24008         * dwarf2out.c (round_up_to_align): New static function.
24009         (field_byte_offset): Use it to round the offset.
24010
24011 2007-02-12  Richard Henderson  <rth@redhat.com>
24012
24013         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
24014         (inswl_const): Export.
24015
24016 2007-02-12  Richard Henderson  <rth@redhat.com>
24017
24018         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
24019         result mode of the libcall, convert back to outmode.
24020
24021 2007-02-12  Roger Sayle  <roger@eyesopen.com>
24022
24023         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
24024         (bswapdi2): New define_expand to implement 32-bit implementation.
24025
24026 2007-02-12  Nick Clifton  <nickc@redhat.com>
24027
24028         * doc/invoke.texi (Overall Options): Document --help=.
24029         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
24030         (cc1_options): Pass --help= on to cc1.
24031         (display_help): Add description of --help=.
24032         (process_command): Add code to handle --help=.  Allow translated
24033         --help and --target-help switches to be passed on to compiler
24034         sub-process.
24035         (main): Remove unused if statement.
24036         * opts.c (columns): Remove.
24037         (LEFT_COLUMN): Define.
24038         (wrap_help): Add columns argument.
24039         (print_filtered_help): Change parameters to be an include bitmask,
24040         an exclude bitmask, an any bitmask and the column width.  Move the
24041         code to display the params list here.  Add code to display the
24042         status of options rather than their descriptions if the quiet flag
24043         is not active.
24044         (print_specific_help): Change parameters to be an include bitmask,
24045         an exclude bitmask and an any bitmask.  Move code to look up the
24046         column width here.  Decide upon the title for an options listing.
24047         (common_handle_options): Add code to handle --help=.  Adapt code
24048         for --help and --target-help to use the revised form of the
24049         print_specific_help function.
24050         (print_help): Delete.
24051         (print_param_help): Delete.
24052         (print_switch): Delete.
24053         * opts.h (cl_lang_count): Add prototype.
24054         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
24055         CL_MAX_OPTION_CLASS): New defines.
24056         * optc-gen.awk: Add construction of cl_lang_count.
24057         * c.opt: Add Warning attribute to warning options and Optimization
24058         attribute to optimization options.
24059         * common.opt: Likewise.
24060         Add --help=.
24061         Add -fhelp and -ftarget-help as aliases for the transformed --help
24062         and --target-help options.
24063         * opt-functions.awk: Add code to handle Warning and Optimization
24064         attributes.
24065
24066 2007-02-12  Richard Henderson  <rth@redhat.com>
24067
24068         * config/alpha/constraints.md: New file.
24069         * config/alpha/alpha.c: Include tm-constrs.h.
24070         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
24071         alpha_extra_constraint): Remove.
24072         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
24073         * config/alpha/alpha-protos.h: Update.
24074         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
24075         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
24076         (EXTRA_CONSTRAINT): Remove.
24077         * config/alpha/alpha.md: Include constraints.md.
24078         (adddi splitter): Use satisfies_constraint_*.
24079         * config/alpha/predicates.md (add_operand): Likewise.
24080         (sext_add_operand, addition_operation): Likewise.
24081
24082 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
24083
24084         PR tree-optimization/29145
24085         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
24086         in our handling of restrict qualified pointers.
24087
24088 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24089
24090         PR middle-end/7651
24091         * doc/invoke.texi (Wunused-value): Update description.
24092         (Wextra): Delete item.
24093         * opts.c (set_Wextra): Don't use the value of Wextra to set the
24094         value of Wunused-value.
24095         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
24096         (c_finish_stmt_expr): Don't check extra_warnings.
24097         (emit_side_effect_warnings): The caller is responsible to check
24098         warn_unused_value.
24099
24100 2007-02-11  Roger Sayle  <roger@eyesopen.com>
24101             Matt Thomas  <matt@3am-software.com>
24102
24103         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
24104
24105 2007-02-11  Roger Sayle  <roger@eyesopen.com>
24106
24107         * simplify-rtx.c (simplify_relational_operation_1): Optimize
24108         comparisons of POPCOUNT against zero.
24109         (simplify_const_relational_operation): Likewise.
24110
24111 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24112
24113         * doc/invoke.texi (Wextra): Delete outdated paragraph.
24114
24115 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24116
24117         * dwarf2out.c (root_type): Delete unused function.
24118
24119 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24120
24121         * genattrtab.c (contained_in_p): Delete unused function.
24122         (write_expr_attr_cache): Likewise.
24123
24124 2007-02-11  Jan Hubicka  <jh@suse.cz>
24125
24126         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
24127         previous patch.
24128
24129 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
24130
24131         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
24132         to add the REG_EQ* note.
24133         * see.c (see_merge_one_use_extension): Likewise.
24134         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
24135         turn REG_EQUAL notes into REG_EQUIV notes if the target
24136         register may have more than one set.
24137         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
24138         * gcse.c (try_replace_reg): Likewise.
24139         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
24140         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
24141         more than one REG_EQUIV note.
24142         * reload1.c (gen_reload): Use set_unique_reg_note.
24143
24144 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
24145
24146         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
24147         (ix86_builtin_conversion): New function.
24148
24149 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
24150
24151         PR target/29487
24152         * tree.h (DECL_REPLACEABLE_P): New macro.
24153         * except.c (set_nothrow_function_flags): Likewise.
24154
24155 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
24156             Ira Rosen  <irar@il.ibm.com>
24157             Dorit Nuzman  <dorit@il.ibm.com>
24158
24159         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
24160         * targhooks.c (default_builtin_vectorized_conversion): New.
24161         * targhooks.h (default_builtin_vectorized_function): New declaration.
24162         * target.h (struct vectorize): Add builtin_conversion field.
24163         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
24164         stmt_vec_info_type value.
24165         (vectorizable_conversion): New declaration.
24166         * tree-vect-analyze.c (vect_analyze_operations): Add
24167         vectorizable_conversion call.
24168         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
24169         * tree-vect-transform.c (vectorizable_conversion): New function.
24170         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
24171         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
24172         mode.
24173         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
24174         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
24175         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
24176         or ALTIVEC_BUILTIN_VCFSX.
24177
24178 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24179
24180         PR target/30634
24181         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
24182         CONST_DOUBLE and operand 0 is a hard register.
24183         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
24184         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
24185         is a hard floating-point register.
24186
24187 2007-02-10  Richard Henderson  <rth@redhat.com>
24188             Jakub Jelinek  <jakub@redhat.com>
24189             Alexandre Oliva  <aoliva@redhat.com>
24190
24191         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
24192         * builtin-types.def (BT_WORD): Make unsigned.
24193         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
24194         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
24195         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
24196         * c-decl.c (grokdeclarator): Don't error if !have_tls.
24197         * c-parser.c (c_parser_omp_threadprivate): Likewise.
24198         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
24199         emulated tls.
24200         * expr.c (emutls_var_address): New.
24201         (expand_expr_real_1): Expand emulated tls.
24202         (expand_expr_addr_expr_1): Likewise.
24203         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
24204         * output.h (emutls_finish): Declare.
24205         * toplev.c (compile_file): Call it.
24206         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
24207         address before wrapping in CONST.
24208         * varasm.c (emutls_htab, emutls_object_type): New.
24209         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
24210         (get_emutls_object_name, get_emutls_object_type): New.
24211         (get_emutls_init_templ_addr, emutls_decl): New.
24212         (emutls_common_1, emutls_finish): New.
24213         (assemble_variable): When emulating tls, swap decls; generate
24214         constructor for the emutls objects.
24215         (do_assemble_alias): When emulating tls, swap decl and target name.
24216         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
24217         for emulated tls.
24218         * varpool.c (decide_is_variable_needed): Look at force_output.
24219         Recurse for emulated tls.
24220         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
24221         with decide_is_variable_needed.
24222         * emutls.c: New file.
24223         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
24224         tls_object for real tls.
24225
24226 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
24227
24228         PR rtl-optimization/29599
24229         * reload1.c (eliminate_regs_in_insn): Take the destination
24230         mode into account when computing the offset.
24231
24232 2007-02-09  Stuart Hastings  <stuart@apple.com>
24233             Richard Henderson  <rth@redhat.com>
24234
24235         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24236         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24237         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
24238         fixuns_truncdfhi2): New.
24239         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
24240         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
24241         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
24242         (floatunssidf2): Allow nonimmediate source.
24243         * config/i386/sse.md (movdi_to_sse): New.
24244         (vec_concatv2di): Drop '*'.
24245         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
24246         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24247         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
24248         New.
24249         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
24250         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24251         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
24252         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
24253         (ix86_build_signbit_mask): Fix decl of v, refactor to call
24254         ix86_build_const_vector.
24255         (x86_emit_floatuns): Rewrite.
24256
24257 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24258
24259         * genautomata.c (longest_path_length): Delete unused function.
24260         (struct state): Delete unused longest_path_length.
24261         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
24262         (get_free_state): Delete unused.
24263
24264 2007-02-09  Jan Hubicka  <jh@suse.cz>
24265
24266         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
24267         * doc/invoke.texi (inline-unit-growth): Update default value.
24268
24269         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
24270         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
24271         (rebuild_cgraph_edges): Likewise.
24272         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
24273         (dump_cgraph_node): Dump frequencies.
24274         (cgraph_clone_edge): Add frequency scales.
24275         (cgraph_clone_node): Add freuqnecy.
24276         * cgraph.h (cgraph_edge): Add freuqnecy argument.
24277         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
24278         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
24279         * tree-pass.h (TODO_rebuild_frequencies): New constant.
24280         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
24281         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
24282         (save_inline_function_body): Likewise.
24283         * ipa-inline.c: inluce rtl.h
24284         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
24285         (cgraph_edge_badness): Use frequencies.
24286         (cgraph_decide_recursive_inlining): Update clonning.
24287         (cgraph_decide_inlining_of_small_function): Dump frequency.
24288         * predict.c (estimate_bb_frequencies): Export.
24289         * predict.h (estimate_bb_frequencies): Declare.
24290         * tree-inline.c (copy_bb): Watch overflows.
24291         (expand_call_inline): Update call of cgraph_create_edge.
24292         (optimize_inline_calls): Use TODO flags to update frequnecies.
24293         * passes.h: Include predict.h
24294         (init_optimization_passes): Move profile ahead.
24295         (execute_function_todo): Handle TODO_rebuild_frequencies.
24296
24297 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24298
24299         * config/alpha/alpha.c (emit_insxl): Force the first operand of
24300         the insbl or inswl pattern into a register.
24301
24302 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24303
24304         * config/ia64/ia64.md (bswapdi2): New define_insn.
24305
24306 2007-02-09  Richard Henderson  <rth@redhat.com>
24307
24308         * config/i386/constraints.md (Ym): New constraint.
24309         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
24310         (movdi_1_rex64): Split sse and xmm general register moves from
24311         memory move alternatives.  Use conditional register constraints.
24312         (movsf_1, movdf_integer): Likewise.
24313         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
24314         (movdf_integer_rex64): New.
24315         (pushsf_rex64): Fix output constraints.
24316         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
24317         (sse2_stored): Likewise.
24318         (sse2_storeq_rex64): New.
24319         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
24320         amd and not generic.
24321         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
24322         for optimize_size.  Remove SF/DFmode hack.
24323
24324 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
24325
24326         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
24327         (bit_SSE4a): New.
24328
24329 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
24330             Richard Sandiford  <richard@codesourcery.com>
24331
24332         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
24333         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
24334         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
24335         m68k/t-mlib to tmake_file.
24336         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
24337         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
24338         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
24339         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
24340         variable is not empty, add t-$m68k_arch_family to tmake_file.
24341         Add t-mlibs to tmake_file.
24342         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
24343         * config/m68k/t-cf: New file.
24344         * config/m68k/t-m68k: Likewise.
24345         * config/m68k/t-mlibs: Likewise.
24346         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24347         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24348         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24349         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24350         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
24351         Delete.
24352         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
24353         (INSTALL_LIBGCC): Delete.
24354         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24355         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24356         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24357         (M68K_MLIB_CPU): Define.
24358         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24359         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24360         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
24361
24362 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
24363             Richard Guenther  <rguenther@suse.de>
24364
24365         PR middle-end/23361
24366         * fold-const.c (fold_comparison): Handle obfuscated comparisons
24367         against INT_MIN/INT_MAX.
24368         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
24369         file if a loop is removed.
24370
24371 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
24372
24373         * calls.c (store_one_arg): Pass correct alignment to
24374         emit_push_insn for non-BLKmode values.
24375         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
24376         unaligned stack slot via a suitably aligned slot.
24377
24378 2007-02-08  DJ Delorie  <dj@redhat.com>
24379
24380         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
24381         warnings.
24382         (legal_subregs): Use unsigned char, make const.
24383         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
24384
24385 2007-02-08  Paul Brook  <paul@codesourcery.com>
24386
24387         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
24388         special interworking needed.
24389
24390 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
24391
24392         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
24393         conditional to __SSE2__.
24394         (Entries below should have been added to first ChangeLog
24395         entry for amdfam10 dated 2007-02-05)
24396         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
24397         defined.
24398         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
24399         defined.
24400         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
24401         defined.
24402
24403 2007-02-08  DJ Delorie  <dj@redhat.com>
24404
24405         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
24406         * config/m32c/m32c.c (legal_subregs): New.
24407         (m32c_illegal_subreg_p): New.
24408         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
24409         unsupported subregs of hard regs.
24410
24411 2007-02-08  Jan Hubicka  <jh@suse.cz>
24412
24413         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
24414         the same one; always update histograms.
24415
24416 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24417
24418         * passes.c (init_optimization_passes): Tidy comment.
24419
24420 2007-02-08  Roger Sayle  <roger@eyesopen.com>
24421
24422         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
24423         strip zero_extend, bswap and rotates from POCOUNT's argument.
24424         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
24425         zero_extend and rotates from PARITY's argument.
24426         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
24427         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
24428         of an integer constant at compile-time.
24429
24430 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24431
24432         PR 30562
24433         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
24434         Update all users.
24435         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
24436         users.
24437         (init_alias_info):
24438         * tree-ssa-live.c (remove_unused_locals): Do not remove
24439         TREE_ADDRESSABLE variables.
24440         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
24441         * tree-ssa-operands.c (add_virtual_operand): Remove argument
24442         FOR_CLOBBER.  Update all users.
24443         If VAR has an associated alias set, add a virtual operand for
24444         it if no alias is found to conflict with the memory reference.
24445
24446 2007-02-07  Jan Hubicka  <jh@suse.cz>
24447             Robert Kidd <rkidd@crhc.uiuc.edu>
24448
24449         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
24450
24451 2007-02-07  Ian Lance Taylor  <iant@google.com>
24452
24453         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
24454
24455 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24456
24457         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
24458         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
24459         tablejumpdi, movsi_to_cr_one): Remove constraints from
24460         define_expand's match_operands.
24461
24462 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24463
24464         * global.c (compute_regsets): Move declatation of "i" inside of
24465         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
24466
24467 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
24468
24469         PR c++/30703
24470         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
24471         of INDIRECT_REF <RESULT_DECL>.
24472
24473         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
24474
24475 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
24476             Kaz Kojima  <kkojima@gcc.gnu.org>
24477
24478         PR target/29746
24479         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
24480         properly.
24481         (sh_initialize_trampoline): Add parentheses to avoid a warning.
24482
24483 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
24484
24485         * doc/loop.texi: Document possibility not to perform disambiguation
24486         of loops with multiple latches.
24487         * cfgloopmanip.c (alp_enum_p): Removed.
24488         (add_loop): Handle subloops.  Use get_loop_body_with_size.
24489         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
24490         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
24491         the new forwarder block.
24492         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
24493         Handle the case latch is NULL.
24494         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
24495         modifications when marking loop exits.
24496         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
24497         be modified.
24498         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
24499         disambiguate_loops_with_multiple_latches.
24500         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
24501         before fix_loop_structure.
24502         * cfgloop.c: Include pointer-set.h and output.h.
24503         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
24504         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
24505         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
24506         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
24507         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
24508         disambiguate_multiple_latches, get_loop_body_with_size,
24509         disambiguate_loops_with_multiple_latches): New functions.
24510         (flow_loop_dump): Dump multiple latch edges.
24511         (flow_loop_nodes_find): Handle loops with multiple latches.
24512         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
24513         (glb_enum_p): Modified.
24514         (get_loop_body): Use get_loop_body_with_size.
24515         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
24516         (AVOID_CFG_MODIFICATIONS): New constant.
24517         (disambiguate_loops_with_multiple_latches, add_loop,
24518         get_loop_body_with_size): Declare.
24519         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
24520
24521 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
24522
24523         PR inline-asm/28686
24524         * global.c (compute_regsets): New function.
24525         (global_alloc): Refactored ELIMINABLE_REGSET
24526         and NO_GLOBAL_ALLOC_REGS computation out.
24527         (rest_of_handle_global_alloc): Call compute_regsets()
24528         for non-optimizing case.
24529
24530 2007-02-06  Richard Henderson  <rth@redhat.com>
24531
24532         * config/i386/constraints.md (Y2): Rename from Y.
24533         (Yi): New constraint.
24534         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
24535         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
24536         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
24537         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
24538         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
24539         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
24540         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
24541         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
24542         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
24543         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
24544         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
24545         vec_extractv2si_1): Change Y constraints to Y2.
24546         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
24547         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
24548         Change Y constraints to Y2.
24549         (sse2_loadld): Change Y constraints to x.
24550
24551 2007-02-06  Roger Sayle  <roger@eyesopen.com>
24552
24553         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
24554         (parity<mode>2): New define_expand using rs6000_emit_parity.
24555         * config/rs6000/rs6000.c (rs6000_emit_popcount,
24556         rs6000_emit_parity): New functions.
24557         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
24558         rs6000_emit_parity): Prototype here.
24559
24560 2007-02-06  Ian Lance Taylor  <iant@google.com>
24561
24562         * lower-subreg.c (simple_move_operand): Reject CONST.
24563         (resolve_clobber): Call validate_change rather than directly
24564         assigning to XEXP (pat, 0).
24565
24566 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24567
24568         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
24569         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
24570         (tree-cfg.o): Remove hashtab.h dependency.
24571
24572         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
24573         (struct ivopts_data): Change niters to pointer_map_t.
24574         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
24575         (niter_for_exit): Create pointer_map on demand.  Change for
24576         pointer_map API.
24577         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
24578         (free_loop_data): Destroy data->niters if created and reset field.
24579         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
24580         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
24581
24582         * tree-ssa-reassoc.c: Include pointer-set.h.
24583         (bb_rank): Change to long *.
24584         (operand_rank): Change to pointer_map_t.
24585         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
24586         (insert_operand_rank): Accept long.
24587         (operand_entry_hash, operand_entry_eq): Remove.
24588         (get_rank): Return long.  Adjust for changes above.
24589         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
24590         and operand_rank.
24591         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
24592
24593         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
24594         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
24595         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
24596         is not NULL.
24597         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
24598         directly since it cannot be NULL.
24599         (get_vi_for_tree): Rewrite for pointer_map API.
24600         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
24601         (init_alias_vars): Create vi_for_tree as pointer_map.
24602         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
24603
24604         * tree-cfg.c: Don't include hashtab.h.
24605         (edge_to_cases): Declare as pointer_map.
24606         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
24607         Delete.
24608         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
24609         (start_recording_case_labels): Create edge_to_cases as pointer_map.
24610         (end_recoding_case_labels): Cleanup edge_to_cases manually before
24611         destroying it.
24612         (record_switch_edge): Delete.
24613         (get_cases_for_edge): Adjust for pointer_map API, inline
24614         record_switch_edge (rewritten for new API), remove goto.
24615
24616 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24617
24618         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
24619         * tree-nested.c: Include pointer-set.h.
24620         (var_map_elt, var_map_eq, var_map_hash): Delete.
24621         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
24622         to pointer_map_t's.
24623         (nesting_info_bitmap_obstack): New.
24624         (lookup_field_for_decl): Adjust for pointer_map API.
24625         (lookup_tramp_for_decl): Adjust for pointer_map API.
24626         (get_nonlocal_debug_decl): Adjust for pointer_map API.
24627         (get_local_debug_decl): Adjust for pointer_map API.
24628         (convert_nl_goto_reference): Adjust for pointer_map API.
24629         (convert_nl_goto_receiver): Adjust for pointer_map API.
24630         (create_nesting_tree): Create outside GGC space.  Create bitmap on
24631         the new obstack.  Create field_map and var_map as pointer_maps.
24632         (free_nesting_tree): Adjust for changes to create_nesting_tree.
24633         (root): Delete.
24634         (lower_nested_functions): Move root here, no need to NULL it.
24635         Initialize and release the obstack.
24636
24637 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
24638
24639         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
24640         Remove prototypes and make them non-static.
24641         (struct tree_int_map): Remove.
24642         * tree.h (struct tree_int_map): Move here, turning TO into an
24643         unsigned int.
24644         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
24645
24646         * tree.h (TREE_COMPLEXITY): Remove.
24647         (struct tree_exp): Remove complexity field.
24648         * tree.c (build1_stat): Don't set it.
24649
24650 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
24651             Victor Kaplansky  <victork@il.ibm.com>
24652
24653         * tree-vectorizer.c (vect_is_simple_use): Support induction.
24654         (vect_is_simple_reduction): Support reduction with induction as
24655         one of the operands.
24656         (vect_is_simple_iv_evolution): Fix formatting.
24657         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
24658         formatting.  Don't mark induction phis for vectorization.
24659         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
24660         * tree-vect-transform.c (get_initial_def_for_induction): New function.
24661         (vect_get_vec_def_for_operand): Support induction.
24662         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
24663         induction case.
24664         (vectorizable_reduction): Support reduction with induction as one of
24665         the operands.
24666         (vectorizable_type_demotion): Use def-type of stmt argument rather
24667         than dummy def-type.
24668
24669         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
24670         flag_tree_scev_cprop.
24671         * common.opt (tree-scev-cprop): New flag.
24672
24673         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
24674         call to vect_get_new_vect_var.
24675
24676 2007-02-06  Ira Rosen  <irar@il.ibm.com>
24677
24678         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
24679         vectype is not NULL.
24680         (vect_pattern_recog_1): Likewise.
24681
24682 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24683
24684         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
24685         (fold_negate_expr): Likewise.
24686
24687 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
24688
24689         PR debug/30189
24690         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
24691         even if cv-qualification is the same.
24692
24693 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
24694
24695         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
24696         __enable_execute_stack on completion.
24697
24698 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24699
24700         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
24701         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
24702         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
24703         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
24704         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
24705         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
24706         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
24707         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
24708
24709 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24710
24711         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
24712         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
24713         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
24714         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
24715         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
24716         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
24717         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
24718         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
24719         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
24720         umuldi3_highpart_rex64, umulsi3_highpart_insn,
24721         umulsi3_highpart_zext, smuldi3_highpart_rex64,
24722         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
24723         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
24724         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
24725         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
24726         sqrtextenddfxf2_i387): Added amdfam10_decode.
24727
24728         * config/i386/athlon.md (athlon_idirect_amdfam10,
24729         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
24730         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
24731         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
24732         athlon_ivector_store_amdfam10): New define_insn_reservation.
24733         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
24734         amdfam10.
24735
24736 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24737
24738         * config/i386/athlon.md (athlon_call_amdfam10,
24739         athlon_pop_amdfam10, athlon_lea_amdfam10): New
24740         define_insn_reservation.
24741         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
24742         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
24743         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
24744
24745 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24746
24747         * config/i386/athlon.md (athlon_sseld_amdfam10,
24748         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
24749         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
24750
24751 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24752
24753         * config/i386/athlon.md (athlon_sseins_amdfam10): New
24754         define_insn_reservation.
24755         * config/i386/i386.md (sseins): Added sseins to define_attr type
24756         and define_attr unit.
24757         * config/i386/sse.md: Set type attribute to sseins for insertq
24758         and insertqi.
24759
24760 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24761
24762         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
24763         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
24764         ssecomi_load_amdfam10, ssecomi_amdfam10,
24765         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
24766         define_insn_reservation.
24767         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
24768
24769 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24770
24771         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
24772         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
24773         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
24774         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
24775         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
24776         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
24777         define_insn_reservation.
24778
24779         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
24780         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
24781         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
24782         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
24783         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
24784
24785 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24786
24787         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
24788         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
24789         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
24790         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
24791         athlon_ssemul_load_k8): Added amdfam10.
24792
24793 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24794
24795         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
24796         (x86_sse_unaligned_move_optimal): New variable.
24797
24798         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
24799         m_AMDFAM10.
24800         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
24801         for unaligned vector SSE double/single precision loads for AMDFAM10.
24802
24803 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24804
24805         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
24806         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
24807         Define TARGET_CPU_DEFAULT_amdfam10.
24808         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
24809         (processor_type): Add PROCESSOR_AMDFAM10.
24810
24811         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
24812         processor_type in config/i386/i386.h.
24813         Enable imul peepholes for TARGET_AMDFAM10.
24814
24815         * config.gcc: Add support for --with-cpu option for amdfam10.
24816
24817         * config/i386/i386.c (amdfam10_cost): New variable.
24818         (m_AMDFAM10): New macro.
24819         (m_ATHLON_K8_AMDFAM10): New macro.
24820         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
24821         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
24822         x86_promote_QImode, x86_integer_DFmode_moves,
24823         x86_partial_reg_dependency, x86_memory_mismatch_stall,
24824         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
24825         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
24826         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
24827         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
24828         Enable/disable for amdfam10.
24829         (override_options): Add amdfam10_cost to processor_target_table.
24830         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
24831         processor_alias_table.
24832         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
24833         (ix86_adjust_cost): Add code for amdfam10.
24834
24835 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24836
24837         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
24838         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
24839         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
24840         * config/i386/i386.h: Add builtin definition for SSE4A.
24841         * config/i386/i386.md: Add support for ABM instructions
24842         (popcnt and lzcnt).
24843         * config/i386/sse.md: Add support for SSE4A instructions
24844         (movntss, movntsd, extrq, insertq).
24845         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
24846         Add -march=amdfam10 flag.
24847         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
24848         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
24849         and amdfam10.
24850         * doc/extend.texi: Add documentation for SSE4A builtins.
24851
24852 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
24853
24854         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
24855
24856 2007-02-05  Richard Guenther  <rguenther@suse.de>
24857
24858         * tree-vectorizer.h (vectorizable_function): Add argument type
24859         argument, change return type.
24860         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
24861         * tree-vect-transform.c (vectorizable_function): Handle extra
24862         argument, return vectorized function decl.
24863         (build_vectorized_function_call): Remove.
24864         (vectorizable_call): Handle calls with result and argument types
24865         differing.  Handle loop vectorization factor correctly.
24866         * targhooks.c (default_builtin_vectorized_function): Adjust for
24867         extra argument.
24868         * targhooks.h (default_builtin_vectorized_function): Likewise.
24869         * target.h (builtin_vectorized_function): Add argument type
24870         argument.
24871         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
24872         extra argument, allow vectorizing of lrintf.
24873         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
24874         documentation of target hook.
24875
24876 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
24877
24878         PR target/30665
24879         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
24880         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
24881         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
24882
24883 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24884
24885         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
24886         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
24887         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
24888         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
24889         before canonicalizing sincos to cexpi.
24890         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
24891
24892 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24893
24894         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
24895         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
24896         (alpha_init_builtins): Use alpha_add_builtins to process tables.
24897
24898 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24899
24900         * mips-tfile.c (initialize_init_file): Correct endianness test.
24901
24902 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
24903
24904         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
24905         the 'y' constraint.
24906
24907 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
24908
24909         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
24910         saves in a PARALLEL before the register assignments.
24911
24912 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
24913
24914         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
24915         DWARF_FRAME_RETURN_COLUMN to be a general register.
24916         * dwarf2out.c (init_return_column_size): New function, split from...
24917         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
24918         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
24919         to be nongeneral registers.
24920         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
24921         integer registers.
24922         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
24923         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
24924
24925 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
24926
24927         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
24928
24929 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
24930
24931         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
24932         (remove_path): Use can_remove_branch_p and remove_branch instead
24933         of loop_delete_branch_edge.
24934         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
24935         (tree_transform_and_unroll_loop): Remove dead branches immediately.
24936         Update profile using scale_dominated_blocks_in_loop.
24937         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
24938         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
24939         (can_remove_branch_p, remove_branch): Declare.
24940         * tree-cfg.c (tree_can_remove_branch_p): New function.
24941         (tree_cfg_hooks): Add tree_can_remove_branch_p.
24942         * cfgrtl.c (rtl_can_remove_branch_p): New function.
24943         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
24944
24945 2007-02-05  Jan Hubicka  <jh@suse.cz>
24946
24947         PR middle-end/30696
24948         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
24949         nodes in cgraph, don't remove offline copy of the function.
24950
24951 2007-02-04  Jan Hubicka  <jh@suse.cz>
24952
24953         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
24954         vectors might cause maybe_lookup_element_for_expr to be called
24955         on non-sra-candidate.
24956
24957 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24958
24959         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
24960         config/bfin/bfin.md, config/bfin/predicates.md: Follow
24961         spelling conventions.
24962
24963 2007-02-04  Richard Guenther  <rguenther@suse.de>
24964
24965         PR middle-end/30636
24966         * fold-const.c (try_move_mult_to_index): Make sure to not
24967         overflow one dimension of a multi-dimensional array access.
24968
24969 2007-02-04  Jan Hubicka  <jh@suse.cz>
24970
24971         * passes.c (init_optimization_passes): Reindent.
24972
24973 2007-02-04  Jan Hubicka  <jh@suse.cz>
24974             Eric Botcazou  <ebotcazou@adacore.com>
24975
24976         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
24977         (execute_fixup_cfg): Break out the abnormal goto code.
24978         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
24979         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
24980         (optimize_inline_calls): Call make_nonlocal_label_edges.
24981
24982 2007-02-04  Jan Hubicka  <jh@suse.cz>
24983
24984         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
24985         true when something was changed.
24986         (rename_ssa_copies): When something was changed, do
24987         TODO_remove_unused_locals.
24988         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
24989         add TODO_remove_unused_locals when instruction was removed.
24990
24991 2007-02-04  Jan Hubicka  <jh@suse.cz>
24992
24993         * ipa-inline.c (try_inline): Improve debug output; work on already
24994         inline edges too.
24995         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
24996         call try_inline for already inlined edges too when flattening;
24997         inline also functions that make callee growth but overall unit size
24998         reduce.
24999
25000 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25001
25002         * config/m32c/bitops.md, config/m32c/jump.md,
25003         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
25004         config/m32r/m32r.h, config/m32r/m32r.md,
25005         config/m32r/predicates.md, config/m68hc11/larith.asm,
25006         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
25007         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
25008         config/mips/mips-protos.h, config/mips/mips.c,
25009         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
25010         config/mn10300/mn10300.h, config/mn10300/predicates.md,
25011         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
25012         spelling conventions.
25013
25014         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
25015         Follow spelling conventions.
25016
25017 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
25018
25019         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
25020         warn about C++0x compatibility.
25021
25022 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25023
25024         * config/h8300/h8300.c, config/h8300/h8300.h,
25025         config/h8300/h8300.md: Follow spelling conventions.
25026
25027 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
25028
25029         PR middle-end/30667
25030         * combine.c (try_combine): Do not substitute source operand
25031         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
25032
25033 2007-02-03  Jan Hubicka  <jh@suse.cz>
25034
25035         PR gcov-profile/30650
25036         * value-prof.c (stringop_block_profile): Fix handling of size counter;
25037         do not divide by zero for never executed counters.
25038         (tree_find_values_to_profile): Fix counters.
25039         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
25040
25041 2007-02-03  Ian Lance Taylor  <iant@google.com>
25042
25043         * lower-subreg.c (simple_move_operand): New static function,
25044         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
25045         operands.
25046         (simple_move): Call simple_move_operand.
25047         (find_decomposable_subregs): Add special handling of MEMs.
25048         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
25049         meaning of return value.  If we see a hard register, test whether
25050         it can store a word_mode value.  Change all callers.
25051
25052 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
25053
25054         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
25055         ftrapv insns and expanders.
25056         (subdi3): Change define_expand operand 1 to arith11_operand, and
25057         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
25058         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
25059         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
25060         respectively.
25061
25062         PR middle-end/30174
25063         * varasm.c (notice_global_symbol): Treat global objects as weak when
25064         flag_shlib is true.
25065
25066 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25067
25068         * emit-rtl.c (dconstpi): Delete.
25069         (dconstsqrt2): New.
25070         (init_emit_once): Delete dconstpi and init dconstsqrt2.
25071         * real.h (dconstpi): Delete.
25072         (dconstsqrt2): New.
25073         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
25074         (fold_builtin_hypot): Likewise.
25075
25076 2007-02-03  Tom Tromey  <tromey@redhat.com>
25077
25078         PR driver/30246
25079         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
25080         -gcoff3, -gxcoff3, -gvms3 implies -dD.
25081
25082 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
25083
25084         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
25085         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
25086         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
25087         config/rs6000/cell.md, config/rs6000/darwin.h,
25088         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
25089         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
25090         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
25091         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
25092         typos.  Follow spelling conventions.
25093         * doc/invoke.texi: Follow spelling conventions.
25094
25095 2007-02-03  Roger Sayle  <roger@eyesopen.com>
25096
25097         * simplify-rtx.c (simplify_relational_operation_1): Implement some
25098         canonicalization transformations that attempt to simplify integer
25099         constant comparisons to become comparisons against zero.
25100
25101 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25102
25103         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
25104         fabs(x)*sqrt(2).
25105         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
25106         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
25107
25108 2007-02-02  Mike Stump  <mrs@apple.com>
25109
25110         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
25111         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
25112         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
25113         generate a branch island.
25114
25115 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
25116
25117         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
25118         (xtensa_legitimate_address_p): New.
25119         (xtensa_legitimize_address): New.
25120         (xtensa_output_addr_const_extra): New.
25121         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
25122         (BASE_REG_P): New.
25123         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
25124         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
25125         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
25126         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
25127         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
25128         (xtensa_legitimize_address): New.
25129         (xtensa_output_addr_const_extra): New.
25130
25131 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
25132
25133         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
25134
25135 2007-02-02  Ian Lance Taylor  <iant@google.com>
25136
25137         * expmed.c (expand_divmod): Add comment.
25138
25139 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
25140
25141         * emit-rtl.c (renumber_insns): Remove.
25142         * flags.h: Remove the extern for flag_renumber_insns.
25143         * rtl.h: Remove the prototype for renumber_insns.
25144         * toplev.c (flag_renumber_insns): Remove.
25145
25146 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
25147
25148         Revert for x86 darwin:
25149         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
25150
25151         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
25152         code before the following patch under TARGET_MACHO.
25153         (ix86_function_value_regno_p): Likewise.
25154
25155 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25156
25157         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
25158         COMPLEX_EXPR.
25159
25160 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
25161
25162         PR target/29682
25163         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
25164         loads to general or fp registers.  Add comments.
25165         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
25166
25167 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
25168
25169         * pointer-set.c (insert_aux): Only return insertion slot.
25170         (pointer_set_insert): Adjust.
25171         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
25172         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
25173         pointer_map_traverse): New.
25174         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
25175         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
25176         pointer_map_contains, pointer_map_traverse): Declare.
25177
25178 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
25179
25180         PR middle-end/30473
25181         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
25182         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
25183
25184 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
25185
25186         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
25187
25188         (struct _dep): New type.
25189         (dep_t): New typedef.
25190         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
25191         (DEP_STATUS): New access macro.  The macro with the same name was
25192         renamed to DEP_LINK_STATUS.
25193         (dep_init): Declare function
25194
25195         (struct _dep_link): New type.
25196         (dep_link_t): New typedef.
25197         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
25198         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
25199         (DEP_LINK_STATUS): New macro.
25200         (debug_dep_links): New debug function.
25201
25202         (struct _deps_list): New type.
25203         (deps_list_t): New typedef.
25204         (DEPS_LIST_FIRST): New access macro.
25205         (FOR_EACH_DEP_LINK): New cycle macro.
25206         (create_deps_list, free_deps_list, delete_deps_list): Declare
25207         functions.
25208         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
25209         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
25210         (copy_deps_list_change_con): Ditto.
25211
25212         (move_dep_link): Declare function.
25213
25214         (struct _dep_node): New type.
25215         (dep_node_t): New typedef.
25216         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
25217
25218         (struct haifa_insn_data.back_deps): New field to hold backward
25219         dependencies of the insn.
25220         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
25221         to deps_list_t.
25222         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
25223         Change its type to deps_list_t.
25224         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
25225         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
25226         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
25227
25228         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
25229
25230         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
25231
25232         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
25233         and all callers.
25234         (dep_cost): Declare.
25235
25236         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
25237         (ds_to_dk, dk_to_ds): New functions.
25238
25239         (init_dep_1): New static function.
25240         (init_dep): New function.
25241         (copy_dep): New static function.
25242
25243         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
25244         functions.
25245         (detach_dep_link): New static function.
25246         (move_dep_link): New function.
25247
25248         (dep_links_consistent_p, dump_dep_links): New static functions.
25249         (debug_dep_links): New debugging function.
25250
25251         (deps_obstack, dl_obstack, dn_obstack): New static variables.
25252
25253         (alloc_deps_list, init_deps_list): New static functions.
25254         (create_deps_list): New function.
25255         (clear_deps_list): New static function.
25256         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
25257         (deps_list_consistent_p, dump_deps_list): New static functions.
25258         (debug_deps_list): New function.
25259         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
25260         functions.
25261         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
25262
25263         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
25264         use new scheduler dependencies lists.
25265         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
25266         (sched_analyze): Ditto.  Initialize dependencies lists.
25267         (add_forw_dep, compute_forward_dependences): Update to use new
25268         scheduler dependencies lists.
25269
25270         (init_dependency_caches): Init deps_obstack.
25271         (free_dependency_caches): Free deps_obstack.
25272
25273         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
25274         new scheduler dependencies lists.
25275         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
25276         (add_back_forw_dep, delete_back_forw_dep): Ditto.
25277
25278         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
25279         Update to use new scheduler dependencies lists.
25280         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
25281         (debug_dependencies): Ditto.
25282         (schedule_region): Update comments.
25283
25284         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
25285         scheduler dependencies lists.
25286         (schedule_ebb): Update comments.
25287
25288         * rtl.def (DEPS_LIST): Remove.
25289
25290         * lists.c (unused_deps_list): Remove.
25291         (free_list): Update assertions.
25292
25293         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
25294         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25295
25296         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
25297         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25298
25299         * haifa-sched.c (comments): Update.
25300         (insn_cost1): Remove.  Inline the code into insn_cost ().
25301         (insn_cost): Update to use new scheduler dependencies lists.  Move
25302         processing of the dependency cost to dep_cost ().
25303         (dep_cost): New function.  Use it instead of insn_cost () when
25304         evaluating cost of the dependency.  Use compatible interface to
25305         interact with the target.
25306         (priority): Update to use new scheduler dependencies lists.
25307         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
25308         with greater number of insns that depend on the insn.
25309         (schedule_insn): Update to use new scheduler dependencies lists.  Add
25310         code to free backward dependencies lists.  Inline and optimize code
25311         from resolve_dep () - see PR28071.
25312         (ok_for_early_queue_removal): Update to use new scheduler dependencies
25313         lists.  Update call to targetm.sched.is_costly_dependence hook.
25314
25315         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
25316         scheduler dependencies lists.
25317
25318         (resolve_dep): Remove.  Move the logic to schedule_insn ().
25319         (init_h_i_d): Initialize dependencies lists.
25320
25321         (process_insn_depend_be_in_spec): Rename to
25322         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
25323         dependencies lists.
25324         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
25325         Update to use new scheduler dependencies lists.
25326         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
25327
25328         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
25329         new scheduler dependencies lists.
25330         (build_intra_loop_deps): Ditto.
25331
25332         * target.h (struct _dep): Declare to use in
25333         gcc_target.sched.is_costly_dependence.
25334         (struct gcc_target.sched.adjust_cost): Fix typo.
25335         (struct gcc_target.sched.is_costly_dependence): Change signature to
25336         use single dep_t parameter instead of an equivalent triad.
25337         (struct gcc_target.sched.adjust_cost_2): Remove.
25338
25339         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
25340
25341         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
25342
25343         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
25344         documentation.
25345         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
25346
25347         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
25348         (REG_DEP_TRUE): Document.
25349
25350         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
25351         Change signature to correspond to the targetm.sched.adjust_cost hook.
25352         Update use in TARGET_SCHED_ADJUST_COST_2.
25353         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
25354         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
25355         new scheduler dependencies lists.
25356         (ia64_gen_check): Ditto.
25357
25358         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
25359         scheduler dependencies lists.
25360
25361         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
25362         signature to correspond to the targetm.sched.is_costly_dependence hook.
25363         (is_costly_group): Update to use new scheduler dependencies lists.
25364
25365         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
25366         instead of INSN_COST () macro.
25367
25368 2007-02-01  Ian Lance Taylor  <iant@google.com>
25369
25370         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
25371
25372 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
25373
25374         * pa.md (tp_load): Correct mfctl instruction syntax.
25375
25376 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
25377
25378         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
25379         altivec_padding_size calculation on AIX.  Improve comment, add
25380         assert to verify that it's right.
25381
25382         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
25383         64-bit.
25384
25385 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
25386
25387         PR inline-asm/28686
25388         * global.c (global_alloc): Add mising initialization of
25389         ELIMINABLE_REGSET.
25390
25391 2007-02-01  Roger Sayle  <roger@eyesopen.com>
25392
25393         * alias.c (init_alias_analysis): Correct whitespace.
25394         * bb-reorder.c (fix_edges_for_rarely_executed_code,
25395         partition_hot_cold_basic_blocks): Likewise.
25396         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
25397         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
25398         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
25399         fold_builtin_snprintf_chk, fold_builtin_printf,
25400         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
25401         do_mpfr_arg3, do_mpfr_sincos): Likewise.
25402         * cfgcleanup.c (cleanup_cfg): Likewise.
25403         * cfgexpand.c (tree_expand_cfg): Likewise.
25404         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
25405         * function.c (get_next_funcdef_no): Likewise.
25406         * gengtype.c (main): Likewise.
25407         * genmodes.c (main): Likewise.
25408         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
25409         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
25410         * ifcvt.c (noce_emit_move_insn): Likewise.
25411         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
25412         Likewise.
25413         * stor-layout.c (get_best_mode): Likewise.
25414         * tree-ssa-loop-niter.c (get_val_for): Likewise.
25415         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
25416         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
25417         perform_var_substitution, solve_graph): Likewise.
25418         * tree-vrp.c (vrp_finalize): Likewise.
25419
25420 2007-02-01  Ian Lance Taylor  <iant@google.com>
25421
25422         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
25423         high part of a paradoxical subreg, return a constant zero.
25424
25425 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
25426
25427         * toplev.c (lang_dependent_init): Call init_set_costs.
25428         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
25429
25430 2007-02-01  Richard Guenther  <rguenther@suse.de>
25431
25432         PR middle-end/30656
25433         * fold-const.c (fold_negate_expr): Allow negating a
25434         constant if overflow does not change.
25435
25436 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25437
25438         * doc/c-tree.texi (Expression trees): Improve markup.
25439         * doc/tm.texi (Register Classes, Addressing Modes)
25440         (Floating Point): Fix spacing after abbreviations.  Fix some
25441         typos.
25442
25443 2007-02-01  Ben Elliston  <bje@au.ibm.com>
25444
25445         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
25446         * doc/contrib.texi: Likewise.
25447         * doc/install.texi: Likewise.
25448
25449 2007-01-31  Richard Henderson  <rth@redhat.com>
25450             Ian Lance Taylor  <iant@google.com>
25451
25452         * lower-subreg.c: New file.
25453         * rtl.def (CONCATN): Define.
25454         * passes.c (init_optimization_passes): Add pass_lower_subreg and
25455         pass_lower_subreg2.
25456         * emit-rtl.c (update_reg_offset): New static function, broken out
25457         of gen_rtx_REG_offset.
25458         (gen_rtx_REG_offset): Call update_reg_offset.
25459         (gen_reg_rtx_offset): New function.
25460         * regclass.c: Revert patch of 2006-03-05, restoring
25461         reg_scan_update.
25462         (clear_reg_info_regno): New function.
25463         * dwarf2out.c (concatn_loc_descriptor): New static function.
25464         (loc_descriptor): Handle CONCATN.
25465         * common.opt (fsplit_wide_types): New option.
25466         * opts.c (decode_options): Set flag_split_wide_types when
25467         optimizing.
25468         * timevar.def (TV_LOWER_SUBREG): Define.
25469         * rtl.h (gen_reg_rtx_offset): Declare.
25470         (reg_scan_update): Declare.
25471         * regs.h (clear_reg_info_regno): Declare.
25472         * tree-pass.h (pass_lower_subreg): Declare.
25473         (pass_lower_subreg2): Declare.
25474         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
25475         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
25476         -fsplit-wide-types.
25477         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
25478         * Makefile.in (OBJS-common): Add lower-subreg.o.
25479         (lower-subreg.o): New target.
25480
25481 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25482
25483         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
25484
25485 2007-01-31  Anatoly Sokolov <aesok@post.ru>
25486
25487         PR target/19087
25488         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
25489
25490 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25491
25492         PR middle-end/29335
25493         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
25494
25495 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
25496
25497         * cfgloop.h: Include vec-prim.h.
25498         (enum li_flags): Remove LI_ONLY_OLD.
25499         (loop_iterator): Changed.
25500         (fel_next, fel_init): Iterate over loop tree.
25501         (FOR_EACH_LOOP_BREAK): New macro.
25502         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
25503         FOR_EACH_LOOP.
25504         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
25505         * modulo-sched.c (sms_schedule): Ditto.
25506         * tree-vectorizer.c (vectorize_loops): Ditto.
25507         * doc/loop.texi: Update information on loop numbering and behavior of
25508         FOR_EACH_LOOP wrto new loops.
25509         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
25510         add_to_evolution_1): Test nestedness of loops instead of comparing
25511         their numbers.
25512         * tree-chrec.c (chrec_fold_plus_poly_poly,
25513         chrec_fold_multiply_poly_poly, chrec_evaluate,
25514         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
25515         reset_evolution_in_loop): Ditto.
25516         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
25517
25518 2007-01-31  Dirk Mueller  <dmueller@suse.de>
25519
25520         * c-common.c (warn_about_parentheses): Separate warning about
25521         un-parenthized sequence of comparison operators from the one
25522         which is supposed to warn about x <= y <= z.
25523
25524 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
25525
25526         * optabs.h (enum optab_index): Add new OTI_isinf.
25527         (isinf_optab): Define corresponding macro.
25528         * optabs.c (init_optabs): Initialize isinf_optab.
25529         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
25530         patterns.
25531         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
25532         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
25533         using isinf_optab.
25534         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
25535         expand_builtin_interclass_mathfn.
25536         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
25537         * config/i386/i386.md (UNSPEC_FXAM): New constant.
25538         (fxam<mode>2_i387): New insn pattern.
25539         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
25540         built-in functions as x87 inline asm.
25541
25542 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25543
25544         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
25545
25546 2007-01-30  Eric Christopher  <echristo@apple.com>
25547
25548         * config.gcc: Add geode.
25549
25550 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25551
25552         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
25553         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
25554         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
25555         value-prof.c: Fix comment typos.
25556
25557 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25558
25559         PR c++/24745
25560         * doc/invoke.texi (Wpointer-arith): Document warning.
25561
25562 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
25563
25564         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
25565         the list of discrepancies from the draft TR.
25566
25567 2007-01-30  Dirk Mueller  <dmueller@suse.de>
25568
25569         PR c++/30601
25570         * doc/invoke.texi (-Wreturn-type): Update description to
25571         match new behavior.
25572
25573 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
25574
25575         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
25576
25577 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
25578
25579         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
25580         to handle optabs that operate on floating point input argument and
25581         output to integer output.
25582         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
25583         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
25584         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
25585         expand_builtin_interclass_mathfn ().
25586         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
25587         (ilogbsi2): Remove.
25588         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
25589         ilogbl built-in functions as x87 intrinsics.
25590
25591 2007-01-30  Richard Guenther  <rguenther@suse.de>
25592
25593         PR middle-end/27657
25594         * dwarf2out.c (reference_to_unused): Query varpool if the
25595         variable was output.
25596
25597 2007-01-30  Richard Guenther  <rguenther@suse.de>
25598
25599         PR middle-end/30313
25600         * passes.c (execute_one_pass): Reset in_gimple_form to not
25601         confuse non-unit-at-a-time mode.
25602
25603 2007-01-29  Roger Sayle  <roger@eyesopen.com>
25604             Richard Guenther  <rguenther@suse.de>
25605
25606         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
25607         avoid undefined behaviour on overflow.  Use force_fit_type_double
25608         to construct the constant with the specified TREE_OVERFLOW.
25609
25610 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25611
25612         * config/dfp-bit.c: Add parameterized support for fp exceptions.
25613         * config/dfp-bit.h: Ditto.
25614
25615 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25616
25617         * c-decl.c (pop_scope): Replace warnings with call to
25618         warn_for_unused_label.
25619         * c-common.h (warn_for_unused_label): Declare.
25620         * c-common.c (warn_for_unused_label): Define.
25621
25622 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25623
25624         * tree-optimize.c (update_inlined_to_pointers): Delete unused
25625         function.
25626
25627 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25628
25629         * Makefile.in (USER_H): Remove decfloat.h.
25630         * ginclude/decfloat.h: Delete, moving contents to ...
25631         * ginclude/float.h: Add support for decimal floating point,
25632         guarded by __STDC_WANT_DEC_FP__.
25633
25634 2007-01-29  Mike Stump  <mrs@apple.com>
25635
25636         * doc/gccint.texi (Top): Rename Loop Representation to Loop
25637         Analysis and Representation to resolve case insensitive conflict.
25638         * doc/loop.texi (Loop Analysis and Representation): Likewise.
25639
25640 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
25641
25642         * tree.h (struct tree_memory_tag): Add aliases member.
25643         (MTAG_ALIASES): New macro.
25644         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
25645         (add_may_alias): Remove pointer-set. Update for may_aliases being
25646         a bitmap.
25647         (mark_aliases_call_clobbered): Update for may_aliases being a
25648         bitmap.
25649         (compute_tag_properties): Ditto.
25650         (create_partition_for): Ditto.
25651         (compute_memory_partitions): Ditto.
25652         (dump_may_aliases_for): Ditto.
25653         (is_aliased_with): Ditto.
25654         (add_may_alias_for_new_tag): Ditto.
25655         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
25656         (compute_is_aliased): New function.
25657         (compute_may_aliases): Call compute_is_aliased).
25658         (init_alias_info): Initialize alias_bitmap_obstack.
25659         (union_alias_set_into): New function.
25660         (compute_flow_sensitive_aliasing): Use union_aliases_into.
25661         (have_common_aliases_p): Rewrite to take two bitmaps and use
25662         intersection.
25663         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
25664         Update for bitmaps.
25665         (finalize_ref_all_pointers): Update for add_may_alias changes.
25666         (new_type_alias): Ditto.
25667         * tree-flow-inline.h (may_aliases): Return a bitmap.
25668         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
25669         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
25670         may_aliases being a bitmap.
25671         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
25672         may_aliases now returns a bitmap.
25673         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
25674         being a bitmap.
25675         * tree-ssa-operands.c (add_virtual_operand): Update for
25676         may_aliases being a bitmap.
25677
25678 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
25679
25680         PR tree-optimization/30630
25681         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
25682         variable as changed.
25683
25684 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
25685
25686         PR c++/28266
25687         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
25688         expanded only once even if an error occurs.
25689
25690 2007-01-29  Ben Elliston  <bje@au.ibm.com>
25691
25692         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
25693         (__gcov_average_profiler): Likewise.
25694         (__gcov_ior_profiler): Likewise.
25695         (__gcov_merge_ior): Likewise.
25696
25697 2007-01-28  Jan Hubicka  <jh@suse.cz>
25698
25699         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
25700         * value-prof.c (stringop_block_profile): Likewise.
25701
25702 2007-01-28  Jan Hubicka  <jh@suse.cz>
25703
25704         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
25705         Add variant handling histograms; add wrapper.
25706         (clear_storage_via_libcall): Export.
25707         (emit_block_move_hints): Break out from ...; add histograms.
25708         (emit_block_move): ... this one.
25709         (clear_storage_hints): Break out from ...; add histograms.
25710         (clear_storage): ... this one.
25711         (set_storage_via_memset): Handle histogram.
25712         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
25713         (clear_storage_hints, clear_storage_via_libcall): Declare.
25714         (set_storage_via_setmem): Update prototype.
25715         * doc/md.texi (movmem, setmem): Document new arguments.
25716
25717         * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
25718         Add new histograms.
25719         (stringop_block_profile): New global function.
25720         (tree_stringops_values_to_profile): Profile block size and alignment.
25721         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
25722         HIST_TYPE_IOR.
25723         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
25724         (stringop_block_profile): Declare.
25725         * builtins.c: Include value-prof.h.
25726         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
25727         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
25728         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
25729         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
25730         * profile.c (instrument_values): Add new counters.
25731         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
25732         calls.
25733         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
25734         (tree_init_edge_profiler): Build new profilers.
25735         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
25736         (pass_tree_profile): Add dump.
25737         (tree_profile_hooks): Update.
25738         * Makefile.in (LIBGCOV): Add new constants.
25739         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
25740         __gcov_ior_profiler): New.
25741         * i386.md (movmem/setmem expanders): Add new optional arguments.
25742
25743 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
25744
25745         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
25746
25747 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25748
25749         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
25750         (tree_unswitch_single_loop): Pass eni_size_weights to
25751         tree_num_loop_insns.
25752         * tree-ssa-loop-manip.c: Include tree-inline.h.
25753         (can_unroll_loop_p): Pass eni_size_weights to
25754         tree_num_loop_insns.
25755         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
25756         Pass eni_size_weights to estimate_num_insns.
25757         * tree.h (init_inline_once): Export.
25758         * toplev.c (backend_init): Call init_inline_once.
25759         * cgraphunit.c (cgraph_process_new_functions,
25760         cgraph_analyze_function): Pass eni_inlining_weights to
25761         estimate_num_insns.
25762         * ipa-inline.c (compute_inline_parameters): Ditto.
25763         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
25764         to estimate_num_insns.
25765         (try_unroll_loop_completely): Pass eni_size_weights to
25766         tree_num_loop_insns.
25767         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
25768         ot estimate_num_insns.
25769         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
25770         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
25771         * tree-inline.c (eni_inlining_weights, eni_size_weights,
25772         eni_time_weights): New variables.
25773         (init_inline_once): Initialize them.
25774         (struct eni_data): Mew.
25775         (estimate_num_insns_1, estimate_num_insns): Use weights.
25776         * tree-inline.h (struct eni_weights_d): New.
25777         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
25778         (estimate_num_insns): Declaration changed.
25779         * cfgloop.h (tree_num_loop_insns): Declaration changed.
25780         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
25781         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
25782
25783 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25784
25785         * tree-data-ref.c (conflict_fn): Assert that the number of affine
25786         relations in the conflict function is valid.
25787
25788 2007-01-27  Ian Lance Taylor  <iant@google.com>
25789
25790         * common.opt: Add fstrict-overflow.
25791         * opts.c (decode_options): Set flag_strict_overflow if -O2.
25792         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
25793         (TYPE_OVERFLOW_UNDEFINED): Define.
25794         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
25795         Replace all uses.
25796         * tree.h (TYPE_TRAP_SIGNED): Don't define.
25797         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
25798         (fold_negate_expr): Likewise.
25799         (make_range): Likewise.
25800         (extract_muldiv_1): Likewise.
25801         (maybe_canonicalize_comparison): Likewise.
25802         (fold_comparison): Likewise.
25803         (fold_binary): Likewise.
25804         (tree_expr_nonnegative_p): Likewise.
25805         (tree_expr_nonzero_p): Likewise.
25806         * tree-vrp.c (compare_values): Likewise.
25807         (extract_range_from_binary_expr): Likewise.
25808         (extract_range_from_unary_expr): Likewise.
25809         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
25810         Likewise.
25811         (nowrap_type_p): Likewise.
25812         * tree-scalar-evolution.c (simple_iv): Likewise.
25813         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
25814         (build_range_check): Likewise.
25815         (extract_muldiv_1): Likewise.
25816         (fold_comparison): Likewise.
25817         * tree-vrp.c (vrp_int_const_binop): Likewise.
25818         (extract_range_from_unary_expr): Likewise.
25819         * convert.c (convert_to_integer): Likewise.
25820         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
25821         (fold_comparison): Likewise.
25822         (fold_binary): Likewise.
25823         * optabs.c (optab_for_tree_code): Likewise.
25824         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
25825         * simplify-rtx.c (simplify_const_relational_operation): Check
25826         flag_strict_overflow and flag_trapv.
25827         (simplify_const_relational_operation): Likewise.
25828         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
25829         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
25830         -fstrict-overflow.
25831
25832 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25833
25834         * tree.c (tree_fold_gcd): Delete.
25835         * tree.h (tree_fold_gcd): Remove prototype.
25836         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
25837         test whether one constant integer is a multiple of another.  Instead
25838         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
25839         * fold-const.c (multiple_of_p): We've determined both TOP and
25840         BOTTOM are integer constants so we can call int_const_binop directly
25841         instead of the more generic const_binop.
25842
25843 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25844
25845         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
25846         1*X check that the constant hasn't overflowed, to preserve the
25847         TREE_OVERFLOW bit.
25848         (round_up): Provide an efficient implementation when rouding-up an
25849         INTEGER_CST to a power-of-two.
25850
25851 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25852
25853         * doc/sourcebuild.texi: Add comma for clarity.
25854         * doc/extend.texi: Fix some typos.
25855         * doc/passes.texi: Likewise.
25856         * doc/cppinternals.texi: Likewise.
25857         * doc/c-tree.texi: Likewise.
25858         * doc/tree-ssa.texi: Likewise.
25859         * doc/install.texi: Likewise.
25860
25861 2007-01-27  Jan Hubicka  <jh@suse.cz>
25862
25863         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
25864         (pass_sra): Do not require alias information.
25865         * passes.c (init_optimization_passes): Add SRA
25866
25867 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
25868
25869         * tracer.c (rest_of_handle_tracer): We already cleaned
25870         up the CFG in tracer() so don't do it here again.
25871         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
25872         cleanup_cfg here, either.  And don't call renumber_insns.
25873
25874         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
25875         and BB_HEAD are in the insn stream here.  Instead make sure
25876         that BB_INSN is valid on all insns.  Also, do check here that
25877         there are no pending branch predictions...
25878         (rtl_verify_flow_info): ...instead of doing it here.  Checks
25879         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
25880         here.
25881
25882 2007-01-26  Roger Sayle  <roger@eyesopen.com>
25883
25884         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
25885         function to simplify/factorize operand order canonicalization.
25886         (ix86_fixup_binary_operands): Reorganize using the above function.
25887         (ix86_binary_operator_ok): Likewise.
25888
25889 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
25890
25891         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
25892         file scope from optimize_attrs.
25893         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
25894         up search.
25895         (optimize_attrs): Clear insn_code_values after freeing it.
25896
25897 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
25898
25899         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
25900         a parts.base assignment.
25901
25902 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
25903
25904         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
25905         (compute_subscript_distance, initialize_data_dependence_relation,
25906         finalize_ddr_dependent, analyze_ziv_subscript,
25907         analyze_siv_subscript_cst_affine,
25908         compute_overlap_steps_for_affine_univar,
25909         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
25910         analyze_siv_subscript, analyze_miv_subscript,
25911         analyze_overlapping_iterations, subscript_dependence_tester_1,
25912         compute_self_dependence, free_dependence_relation): Work
25913         with affine_fn instead of chrecs.
25914         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
25915         common_affine_function, affine_function_base,
25916         affine_function_constant_p, affine_fn_op, affine_fn_plus,
25917         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
25918         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
25919         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
25920         (all_chrecs_equal_p): Removed.
25921         * tree-data-ref.h (affine_fn, conflict_function): New types.
25922         (struct subscript): Change type of conflicting_iterations_in_a
25923         and conflicting_iterations_in_b.
25924
25925 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
25926
25927         PR other/30182
25928         * config/pa/pa.h (TARGET_HPUX_11): New.
25929         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
25930         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
25931
25932 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
25933         Richard Guenther  <rguenther@suse.de>
25934
25935         * tree-ssa-structalias.c (solve_graph): Handle case
25936         we merged the variable to another.
25937
25938 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25939
25940         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
25941         functions.
25942
25943         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
25944         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
25945
25946 2007-01-25  DJ Delorie  <dj@redhat.com>
25947
25948         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
25949         allow changes to modes which don't fit in those registers.
25950
25951         * reload1.c (choose_reload_regs): Check for invalid subregs before
25952         computing their locations, not after.
25953
25954 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
25955
25956         PR 25127
25957         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
25958         save Altivec registers in an eh_return function.
25959         (compute_vrsave_mask): Likewise.
25960         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
25961         for saving Altivec registers.
25962         (rs6000_emit_prologue): Don't allocate stack twice in
25963         eh_return function.  Correct expected value of altivec_save_offset
25964         when using save_world.  Describe save of R0 to stack when using
25965         save_world.  Describe stack pointer adjustment when using
25966         save_world.  Remove duplicated eh_return parameter register saving.
25967         Update sp_offset variable after save_world.
25968         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
25969         darwin-world.asm.
25970         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
25971         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
25972         implies Altivec.
25973
25974 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
25975
25976         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
25977
25978 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
25979
25980         PR other/30182
25981         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
25982         * config/ia64/ia64.c (ia64_init_builtins): Ditto.
25983
25984 2007-01-25  Richard Guenther  <rguenther@suse.de>
25985
25986         * doc/invoke.texi (-Wcoverage-mismatch): Document.
25987         * common.opt (-Wcoverage-mismatch): New warning option.
25988         * coverage.c (get_coverage_counts): Ignore coverage mismatch
25989         if -Wcoverage-mismatch is given.
25990
25991 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
25992
25993         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
25994         (ipcp_driver): Change to static definition.
25995         Add dumping of the ifunctions.
25996         (constant_val_insert): Remove unused parameter. Support for SSA.
25997         (ipcp_propagate_const): Support for SSA.
25998         (ipcp_profile_bb_print): Print only analyzed nodes.
25999         (ipcp_replace_map_create): Remove support for Fortran constant
26000         for now.
26001         * ipa-prop.c (ipa_method_modify_stmt,
26002         ipa_callsite_compute_param): Support for SSA.
26003         * ipa-prop.h (ipcp_driver): Remove declaration.
26004         (IS_VALID_TREE_MAP_INDEX): Add define.
26005
26006 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
26007
26008         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
26009
26010 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26011
26012         PR middle-end/30447
26013         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
26014         constant argument to cabs and do it without checking for
26015         -funsafe-math-optimizations.
26016
26017 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
26018
26019         * c-common.h (RID_FIRST_CXX0X): New.
26020         (RID_LAST_CXX0X): New.
26021         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
26022         by -Wall.
26023         * c.opt (Wc++0x-compat): New.
26024         * doc/invoke.texi (-Wc++0x-compat): Document.
26025
26026 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26027
26028         * builtins.c (fold_builtin_carg): New.
26029         (fold_builtin_1): Use it.
26030
26031 2007-01-24  Jan Hubicka  <jh@suse.cz>
26032
26033         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
26034
26035         * ipa-inline.c (initial_insns, max_insns): Delete.
26036         (compute_max_insns): New function.
26037         (cgraph_decide_inlining_of_small_function): Use it; take minimal
26038         amount of insns as base for code growth.
26039         (cgraph_decide_inlining): Make initial_insns local; do not compute
26040         max_insns.
26041         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
26042         * doc/invoke.texi (inline-unit-growth): Update docs.
26043
26044 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
26045
26046         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
26047         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
26048         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
26049         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
26050         for CPUs that have PTA_CX16 set.
26051
26052         PR middle-end/27416
26053         * gimplify.c (omp_check_private): New function.
26054         (gimplify_scan_omp_clauses): Use it for
26055         firstprivate/lastprivate/reduction.
26056
26057         PR middle-end/30494
26058         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
26059         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
26060
26061         PR middle-end/30421
26062         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
26063         If lower_lastprivate_clauses emits some statements, append them
26064         to dlist rather than body_p and to body_p append an initializer.
26065         (lower_omp_for): Adjust caller.
26066
26067 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
26068
26069         * target.h (globalize_decl_name): New.
26070         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
26071         * output.h (default_globalize_decl_name): New.
26072         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
26073         globalize_label.
26074         (globalize_decl): Ditto.
26075         (default_globalize_decl_name): New.
26076         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
26077         (ia64_handle_version_id_attribute): New.
26078         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
26079         (ia64_asm_output_external): Use globalize_decl_name instead
26080         of globalize_label.
26081         * doc/extend.texi (version_id): New pragma.
26082         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
26083
26084 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
26085
26086         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
26087         _uleb128_t and _Unwind_SWord with _sleb128_t.
26088         * unwind-dw2.c (extract_cie_info, execute_stack_op,
26089         execute_cfa_program, uw_frame_state_for, uw_update_context_1):
26090         Likewise.
26091         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
26092         * unwind-pe.h (read_uleb128, read_sleb128,
26093         read_encoded_value_with_base): Likewise.
26094         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
26095
26096 2007-01-24  Richard Guenther  <rguenther@suse.de>
26097
26098         * builtins.c (expand_builtin_cexpi): Get the fndecl
26099         for cexp in the correct way.
26100
26101 2007-01-24  Jan Hubicka  <jh@suse.cz>
26102
26103         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
26104         of calls.
26105
26106 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
26107
26108         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
26109         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
26110         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
26111         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
26112         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
26113         __SIZEOF_PTRDIFF_T__.
26114         * doc/cpp.texi: Documentation for the new builtin macros added.
26115
26116 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
26117
26118         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
26119         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
26120         instead of operands[2] to avoid access past the end of array.
26121
26122 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
26123
26124         * reload1.c (emit_reload_insns): Pass the reload register
26125         for a non-spill output reload through forget_old_reloads_1.
26126
26127 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
26128
26129         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
26130         _SOFT_DOUBLE if doubles use software floating-point.
26131         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
26132         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
26133         * config/rs6000/darwin-ldouble.c: Also compile functions for
26134         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
26135         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
26136         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
26137         commented-out long double override.
26138         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
26139         * config/rs6000/eabispe.h: Likewise.
26140         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
26141         long double for non-SPE.
26142         (rs6000_handle_option): Likewise.
26143         (invalid_e500_subreg): Disallow more subregs involding DImode,
26144         DFmode, TImode or TFmode.
26145         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
26146         E500 double.
26147         (legitimate_lo_sum_address_p): Also check for TFmode for E500
26148         double.
26149         (rs6000_legitimize_address): Also handle TFmode for E500 double.
26150         (rs6000_legitimize_reload_address): Also handle TFmode for E500
26151         double.
26152         (rs6000_legitimate_address): Also check for TFmode for E500
26153         double.
26154         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
26155         (spe_build_register_parallel): Handle TFmode and TCmode.
26156         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
26157         double.
26158         (function_arg): Handle TFmode and TCmode for E500 double.
26159         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
26160         in general.
26161         (print_operand): Handle TFmode and TImode for %y.
26162         (rs6000_generate_compare): Handle TFmode comparisons for E500
26163         double.
26164         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
26165         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
26166         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
26167         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
26168         TFmode for E500 double.
26169         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
26170         (floatsidf2): Enable for E500 double.
26171         (movtf_softfloat): Use rs6000_nonimmediate_operand.
26172         (extenddftf2): Change to extenddftf2_fprs.
26173         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
26174         depending on TARGET_E500_DOUBLE.
26175         (extendsftf2): Enable for E500 double.
26176         (trunctfdf2): Enable for E500 double.
26177         (trunctfsf2): Change to trunctfsf2_fprs.
26178         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
26179         depending on TARGET_E500_DOUBLE.
26180         (floatsitf2): Enable for E500 double.
26181         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
26182         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
26183         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
26184         (negtf2): Change to negtf2_internal.
26185         (negtf2): New expander.
26186         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
26187         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
26188         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
26189         (movdi_internal32): Use rs6000_nonimmediate_operand.
26190         (unnamed splitter): Likewise.
26191         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
26192         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
26193         (SPE64TF, DITI): New mode macros.
26194         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
26195         modes.
26196         (frob_tf_ti): New.
26197         (frob_<mode>_di_2): New.
26198         (frob_tf_di_8_2): New.
26199         (frob_di_df): Change to frob_di_<mode>; allow more modes.
26200         (frob_ti_tf): New.
26201         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
26202         more modes.
26203         (frob_ti_<mode>_8_2): New.
26204         (frob_ti_tf_2): New.
26205         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
26206         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
26207         TFmode.
26208         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
26209         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
26210         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
26211         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
26212         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
26213         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
26214         tsttflt_gp): New.
26215
26216 2007-01-23  Ian Lance Taylor  <iant@google.com>
26217
26218         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
26219         insn-*.o first.
26220         (OBJS-archive): Reformat, alphabetize.
26221         (OBJS): Change out_object_file to OBJS-md.
26222
26223 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
26224
26225         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
26226         JUMP_P and CALL_P predicates where applicable.
26227         * config/i386/i386.c: Ditto.
26228         * config/i386/i386.md: Ditto.
26229         * config/i386/mmx.md: Ditto.
26230         * config/i386/predicates.md: Ditto.
26231
26232 2007-01-22  Andreas Schwab  <schwab@suse.de>
26233
26234         * config/m68k/m68k.h: Fix comment.
26235
26236 2007-01-22  Jan Hubicka  <jh@suse.cz>
26237
26238         * passes.c (init_optimization_passes): Do not rerun
26239         pass_early_warn_uninitialized.
26240
26241 2007-01-22  Richard Guenther  <rguenther@suse.de>
26242
26243         PR tree-optimization/30038
26244         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
26245         function.
26246         (execute_cse_sincos_1): Likewise.
26247         (execute_cse_sincos): Likewise.
26248         (gate_cse_sincos): Likewise.
26249         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
26250         the cexpi() canonicalization of sincos().
26251         * tree-pass.h (pass_cse_sincos): Declare.
26252         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
26253
26254 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
26255
26256         PR rtl-optimization/29329
26257         * combine.c (replaced_rhs_insn): Rename to i2mod.
26258         (replaced_rhs_value): Rename to i2mod_new_rhs.
26259         (i2mod_old_rhs): New global variable.
26260         (combine_instructions): Adjust for above change.  Save a copy of
26261         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
26262         note are substituted in the second instruction.
26263         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
26264         ditch the note if it pertains to the second eliminated register
26265         and this register is mentioned in i2mod_old_rhs.
26266
26267         Revert:
26268         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
26269
26270         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
26271         the insn to which the note was originally attached.
26272
26273 2007-01-21  Jan Hubicka  <jh@suse.cz>
26274
26275         * ipa-inline.c (inlining_mode): Comment, move up.
26276         (cgraph_decide_inlining_incrementally): Do not perform inlining
26277         itself; fix handling of flattening of self recursive functions.
26278         (cgraph_find_cycles): Remove.
26279         (cgraph_flatten_node): Remove.
26280         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
26281         (try_inline): New function.
26282         (cgraph_early_inlining): Update call of
26283         cgraph_decide_inlining_incrementally.  Apply inlining here.
26284         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
26285
26286 2007-01-21  Dirk Mueller  <dmueller@suse.de>
26287
26288         PR bootstrap/30511
26289         * tree-vrp.c (check_array_bounds): do not warn
26290         about ADDR_EXPR's of ARRAY_REF's which are immediately
26291         used in binary expressions.
26292
26293 2007-01-21  Ira Rosen  <irar@il.ibm.com>
26294
26295         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
26296         read_write_dep and macros for its access.
26297         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
26298         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
26299         argument, call vect_check_interleaving for every independent pair of
26300         data-refs. Mark loads that access the same memory location as a store
26301         in the loop.
26302         (vect_check_dependences): Remove.
26303         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
26304         call, fix the call to vect_analyze_data_ref_dependence.
26305         (vect_analyze_data_ref_access): For statements that access the same
26306         data-ref, check that they are not stores; for loads, check that there
26307         is no store that access the same location.
26308
26309 2007-01-20  Roger Sayle  <roger@eyesopen.com>
26310             Joseph Myers  <joseph@codesourcery.com>
26311
26312         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
26313         (-fdump-rtl-stack): Likewise.
26314         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
26315         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
26316         (-mpt-fixed): Use @minus{} for minus sign.
26317         (Using Precompiled Headers): Fix under/overfull hbox.
26318
26319 2007-01-20  Jan Hubicka  <jh@suse.cz>
26320
26321         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
26322         place within annotation.
26323
26324 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
26325
26326         * pa.c (output_move_double): Change array size of xoperands to 4.
26327
26328 2007-01-20  Jan Hubicka  <jh@suse.cz>
26329
26330         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
26331         as temporary.
26332
26333 2007-01-19  Ian Lance Taylor  <iant@google.com>
26334
26335         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
26336         constant to unsigned HOST_WIDE_INT before negating.
26337
26338 2007-01-19  Ian Lance Taylor  <iant@google.com>
26339
26340         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
26341         to unsigned.
26342         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
26343         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26344         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
26345         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
26346         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26347         (realloc_vdef, realloc_vuse): Change second parameter to
26348         unsigned.
26349         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
26350         fields to unsigned.
26351         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
26352         unsigned. Change x and lim locals to unsigned.
26353         (realloc_vdef, realloc_vuse): Change num_elem parameter to
26354         unsigned.
26355         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
26356         (copy_virtual_operands): Change i and n locals to unsigned.
26357
26358 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26359
26360         PR middle-end/29335
26361         * builtins.c (fold_builtin_1): Handle builtin fdim.
26362
26363 2007-01-20  Jan Hubicka  <jh@suse.cz>
26364
26365         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
26366         * tree-ssa-structalias.c (compute_points_to_sets): Do call
26367         init_alias_heapvars.
26368         (init_alias_heapvars): Initialize only when not already initialized.
26369         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
26370
26371 2007-01-19  Roger Sayle  <roger@eyesopen.com>
26372
26373         * common.opt (fsigned-zeros): New command line option.
26374         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
26375         of flag_unsafe_math_optimizations.
26376         * opts.c (set_fast_math_flags): The -ffast-math command line option
26377         implies -fno-signed-zeros.
26378         (fast_math_flags_set_p): Likewise.
26379
26380         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
26381         the documentation of -ffast-math appropriately.  Wrap long lines.
26382
26383 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
26384
26385         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
26386         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
26387
26388 2007-01-19  Tomas Bily  <tbily@suse.cz>
26389
26390         * cgraphunit.c (cgraph_finalize_function): Updating of pid
26391         * tree-profile.c:
26392         (tree_init_ic_make_global_vars): New function
26393         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
26394         (tree_gen_ic_profiler): New function
26395         (tree_gen_ic_func_profiler): New function
26396         (tree_profiling): Added calling of tree_gen_ic_func_profiler
26397         (tree_profile_hooks): Added hook for indirec/virtual calls
26398         * value-prof.c (tree_find_values_to_profile): New case for
26399         indirect calls
26400         (tree_values_to_profile): Call for determining indirect/virtual
26401         counters
26402         (tree_indirect_call_to_profile): New function
26403         (tree_ic_transform): New function
26404         (tree_ic): New function
26405         (find_func_by_pid): New function
26406         (init_pid_map): New function
26407         (tree_value_profile_transformations): Added check for
26408         indirect/virtual call transformation
26409         * value-prof.h (enum hist_type): New counter type for
26410         indirect/virtual calls
26411         (profile_hooks): Added new hook for profiling indirect/virtual
26412         calls
26413         * profile.c (instrument_values): New case for indirect/virtual
26414         call added
26415         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
26416         (GCOV_COUNTER_V_INDIR): New counter type
26417         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
26418         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
26419         call added
26420         * cgraph.c: Definition of cgraph_max_pid
26421         (cgraph_create_node): Default init of pid attribute
26422         * cgraph.h: Declaration of cgraph_max_pid
26423         (struct cgraph_node): Added pid attribute
26424         * libgcov.c (__gcov_indirect_call_profiler): New function
26425         (__gcov_one_value_profiler_body): New function
26426         (__gcov_one_value_profiler): Body was moved to
26427         __gcov_one_value_profiler_body and calls it
26428
26429 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
26430
26431         * doc/gty.texi (Options): Document the mark_hook option to GTY.
26432         * gengtype.c (write_types_data, write_func_for_structure,
26433         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
26434         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
26435         (walk_type, write_func_for_structure): Generate the mark_hook if
26436         needed.
26437
26438 2007-01-19  Jan Hubicka  <jh@suse.cz>
26439
26440         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
26441         'early' argument take inlining mode argument specifying whether to
26442         inline for size/speeed or all functions; add support for flattening;
26443         improve dumpting.
26444         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
26445
26446 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26447
26448         PR c++/17947
26449         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
26450         the name of the declared identifier.
26451
26452 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26453
26454         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
26455         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
26456         duplicate evaluation.
26457
26458 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26459
26460         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
26461         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
26462         to XFMode, use acosxf2 and truncate result to requested mode.
26463         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
26464         (asin<mode>2): Similarly, with asin expanders.
26465         (*fscalexf4_i387): Rename from *fscalexf4.
26466         (expNcorexf3): New expander.
26467         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
26468         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
26469         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
26470         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
26471         patterns for SSE math.
26472         (exp10<mode>2): Similarly, with exp10 expanders.
26473         (exp2<mode>2): Similarly, with exp2 expanders.
26474         (expm1<mode>2): Similarly, with expm1 expanders.
26475         (ldexp<mode>3): Similarly, with ldexp expanders.
26476         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
26477         Use gen_truncxf<mode>2_i387_noop to truncate result.
26478
26479 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26480
26481         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
26482         for ColdFire targets.
26483
26484 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
26485             Richard Sandiford  <richard@codesourcery.com>
26486
26487         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
26488         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
26489         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
26490         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
26491         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26492         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26493
26494 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26495
26496         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
26497         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
26498         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
26499         (*adddi_dilshr32_cf): New pattern.
26500         (adddi3, subdi3): Remove first alternatives.
26501
26502 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26503
26504         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
26505         implemented using move.l, do not use its cc result for floating-point
26506         comparisons.
26507
26508 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26509
26510         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
26511         from accepting 's' constraints if flag_pic.
26512
26513 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26514
26515         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
26516         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
26517         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
26518         condition from TARGET_68881 to TARGET_HARD_FLOAT.
26519
26520 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
26521
26522         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
26523         ColdFire alternatives.
26524         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
26525         * config/m68k/m68k.md (clzsi2): Define for ColdFire
26526         architectures that support ff1 instruction.
26527
26528 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26529             Julian Brown  <julian@codesourcery.com>
26530
26531         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
26532         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
26533         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
26534         Add commentary.
26535
26536 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26537
26538         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
26539         and return a bool.
26540         (output_move_const_into_data_reg, output_move_simode_const): Delete.
26541         * config/m68k/m68k.c (const_method, const_int_cost): Take a
26542         HOST_WIDE_INT instead of an rtx.
26543         (m68k_rtx_costs): Update call accordingly.
26544         (output_move_const_into_data_reg): Likewise.  Fix formatting.
26545         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
26546         Return a bool.
26547         (output_move_simode_const): Update calls after above changes.
26548         Rework to use automatic variables and predicates like MEM_P.
26549         * config/m68k/m68k.md (pushexthisi_const): Update call to
26550         valid_mov3q_const.
26551
26552 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26553
26554         * tree-ssa-alias.c (perform_var_substitution): Fix typo
26555         in dump_flags test.
26556
26557 2007-01-19  Richard Guenther  <rguenther@suse.de>
26558
26559         * builtins.c (expand_builtin_cexpi): Fall back to expanding
26560         via cexp in case sincos is not available.
26561
26562 2007-01-19  Richard Guenther  <rguenther@suse.de>
26563
26564         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
26565         * defaults.h (TARGET_HAS_SINCOS): Default to off.
26566         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
26567         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
26568         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
26569         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
26570         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
26571         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
26572
26573 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26574
26575         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
26576         New insn patterns.
26577         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
26578         (atan2xf3): Directly generate RTL pattern.
26579         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
26580         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26581         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26582         disable patterns for SSE math.
26583         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
26584         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26585         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26586         disable patterns for SSE math.
26587
26588 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
26589
26590         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
26591
26592 2007-01-18  Roger Sayle  <roger@eyesopen.com>
26593
26594         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
26595         VIEW_CONVERT_EXPR to the same type as it's operand.
26596
26597 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
26598
26599         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
26600         configured for long double 128.
26601
26602 2007-01-18  Mike Stump  <mrs@apple.com>
26603
26604         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
26605         error.
26606
26607 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
26608
26609         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
26610         type correct.
26611
26612 2007-01-18  Jan Hubicka  <jh@suse.cz>
26613
26614         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
26615         greater than NUM_VOP_FREE_BUCKETS.
26616
26617 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
26618
26619         * tree-ssa-structalias.c: Update comments.
26620         (ptabitmap_obstack): Removed.
26621         (pta_obstack): New.
26622         (oldpta_obstack): Ditto.
26623         (stats): Add a few members.
26624         (struct variable_info): Remove node, complex, address_taken, and
26625         indirect_target members. Add oldsolution member.
26626         (new_var_info): Do not initialize removed members.
26627         (constraint_expr_type): Remove INCLUDES.
26628         (constraint_graph): Add size, implicit_preds, rep,
26629         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
26630         (FIRST_REF_NODE): New macro.
26631         (LAST_REF_NODE): Ditto.
26632         (FIRST_ADDR_NODE): Ditto.
26633         (find): New function.
26634         (unite): Ditto.
26635         (dump_constraint): Do not handle INCLUDES.
26636         (insert_into_complex): Do not insert duplicate constraints.
26637         (condense_varmap_nodes): Renamed and rewritten into ...
26638         (merge_node_constraints): This. Also fix bug in handling of
26639         offseted copy constraints.
26640         (clear_edges_for_node): No longer need to deal with preds at all,
26641         or removing associated preds/succs.
26642         (merge_graph_nodes): Deal with indirect_cycles.
26643         Don't deal with predecessors.
26644         (add_implicit_graph_edge): New function.
26645         (add_pred_graph_edge): Ditto.
26646         (add_graph_edge): Don't deal with predecessors.
26647         (build_constraint_graph): Removed.
26648         (build_pred_graph): New function.
26649         (build_succ_graph): Ditto.
26650         (struct scc_info): Removed in_component. Added roots, dfs, and
26651         node_mapping. Remove visited_index, unification_queue.
26652         (scc_visit): Deal with union-find we do now.
26653         Deal with cycles with REF nodes.
26654         (collapse_nodes): Renamed and rewritten to ...
26655         (unify_nodes): This.
26656         (process_unification_queue): Removed.
26657         (topo_visit): Cleanup
26658         (do_da_constraint): Use find.
26659         (do_sd_constraint): Ditto.
26660         (do_ds_constraint): Ditto.
26661         (do_complex_constraint): Ditto.
26662         (init_scc_info): Update for removed and added members.
26663         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
26664         (find_indirect_cycles): This.
26665         (equivalence_class): New variable.
26666         (label_visit): New function.
26667         (perform_variable_substitution): Rewritten.
26668         (free_var_substitution_info): New function.
26669         (find_equivalent_node): Ditto.
26670         (move_complex_constraints): Ditto.
26671         (eliminate_indirect_cycles): Ditto.
26672         (solve_graph): Only propagate changed bits.
26673         Use indirect cycle elimination.
26674         Use find.
26675         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
26676         (tree_id_eq): Renamed to ...
26677         (tree_vi_eq): This. Update for member change
26678         (insert_id_for_tree): Renamed and rewritten to ...
26679         (insert_vi_for_tree): This.
26680         (lookup_id_for_tree): Renamed and rewritten to ...
26681         (lookup_vi_for_tree): This.
26682         (get_id_for_tree): Renamed and rewritten to ...
26683         (get_vi_for_tree): Ditto.
26684         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
26685         (process_constraint): Don't handle INCLUDES.
26686         Remove special ADDRESSOF case.
26687         (find_func_aliases): Rewrite to use vi functions instead of id
26688         ones.
26689         (create_function_info_for): Ditto.
26690         (create_variable_info_for): Ditto.
26691         (intra_create_variable_infos): Ditto.
26692         (merge_smts_into): Ditto.
26693         (find_what_p_points_to): Ditto.
26694         (init_base_vars): Ditto.
26695         (init_alias_vars): Ditto.
26696         (remove_preds_and_fake_succs): New function.
26697         (dump_sa_points_to_info): Dump new stats.
26698         (dump_solution_for_var): Use find.
26699         (set_used_smts): Fix formatting.
26700         (compute_points_to_sets): Updated for new functions.
26701         (ipa_pta_execute): Ditto.
26702
26703 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26704             Richard Sandiford  <richard@codesourcery.com>
26705
26706         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
26707         parallels.
26708         * calls.c (expand_call): If the return value is a PARALLEL,
26709         extract its first member.
26710         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
26711         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26712         use FUNCTION_EXTRA_EPILOGUE.
26713         (m68k_function_value): Return a PARALLEL if the return value
26714         is of a pointer type.
26715         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
26716         (FUNCTION_EXTRA_EPILOGUE): Remove.
26717         * config/m68k/m68k.md (D0_REG): New constant.
26718
26719 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26720
26721         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26722         output a NOP for empty epilogues.
26723
26724 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26725
26726         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
26727         before function.  Extend register save check to include all
26728         registers, not just integer ones.
26729
26730 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26731
26732         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
26733         (m68k_use_return_insn): ...this.
26734         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
26735         * config/m68k/m68k.c (use_return_insn): Rename to...
26736         (m68k_use_return_insn): ...this.
26737         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
26738         of USE_RETURN_INSN.
26739
26740 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26741
26742         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
26743         nearest even, fix denormal rounding overflow.
26744
26745 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26746
26747         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
26748         f%$smove and f%$move.
26749         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
26750         (extendsfdf2_cf): Use fdmove instead of f%&move.
26751         (truncdfsf2_cf): Use fsmove instead of f%$smove.
26752         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
26753
26754 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26755
26756         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
26757         GPR<-GPR moves.
26758
26759 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26760
26761         * real.h (real_format): Add a canonical_nan_lsbs_set field.
26762         (coldfire_single_format): Declare.
26763         (coldfire_double_format): Likewise.
26764         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
26765         of qnan_msb_set to determine the lower bits of a canonical
26766         NaN significand.
26767         (encode_ieee_double): Likewise.
26768         (encode_ieee_quad): Likewise.
26769         (ieee_single_format): Initialize canonical_nan_lsbs_set.
26770         (mips_single_format): Likewise.
26771         (ieee_double_format): Likewise.
26772         (mips_double_format): Likewise.
26773         (ieee_extended_motorola_format): Likewise.
26774         (ieee_extended_intel_96_format): Likewise.
26775         (ieee_extended_intel_128_format): Likewise.
26776         (ieee_extended_intel_96_round_53_format): Likewise.
26777         (ibm_extended_format): Likewise.
26778         (mips_extended_format): Likewise.
26779         (ieee_quad_format): Likewise.
26780         (mips_quad_format): Likewise.
26781         (vax_f_format): Likewise.
26782         (vax_d_format): Likewise.
26783         (vax_g_format): Likewise.
26784         (i370_single_format): Likewise.
26785         (i370_double_format): Likewise.
26786         (decimal_single_format): Likewise.
26787         (decimal_double_format): Likewise.
26788         (decimal_quad_format): Likewise.
26789         (c4x_single_format): Likewise.
26790         (c4x_extended_format): Likewise.
26791         (real_internal_format): Likewise.
26792         (coldfire_single_format): New real_format.
26793         (coldfire_double_format): Likewise.
26794         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
26795         canonical_nan_lsbs_set.
26796         (pdp11_d_format): Likewise.
26797         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
26798         if TARGET_COLDFIRE_CPU.
26799
26800 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26801
26802         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
26803         (output_call, m68k_legitimize_call_address): Declare.
26804         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
26805         parenthesees.  Add support for a 'W' constraint.
26806         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
26807         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
26808         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
26809         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
26810         variables.
26811         (override_options): Initialize them.  Do not set flag_no_function_cse
26812         for TARGET_ID_SHARED_LIBRARY.
26813         (m68k_output_pic_call): Delete.
26814         (m68k_legitimize_call_address): New function.
26815         (print_operand): Remove the %o prefix.  Handle the %p prefix.
26816         (output_call): New function.
26817         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
26818         target address from the GOT if symbolic jumps are not allowed.
26819         * config/m68k/m68k.md (call, general_operand): Do not set
26820         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
26821         Merge separate flag_pic and !flag_pic define_insns into...
26822         (*call, *call_value): ...these new patterns.  Match the address
26823         rather than the containing MEM and require it to be a call_operand.
26824         Use output_call to generate the asm template.
26825         * config/m68k/predicates.md (const_call_operand): New predicate.
26826         (call_operand): Likewise.
26827
26828 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26829
26830         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
26831         (STACK_GROWS_DOWNWARD): Define to 1.
26832         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
26833         comments, emphasizing that these values are only defaults.
26834         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
26835         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
26836
26837 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26838
26839         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
26840
26841 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26842             Richard Sandiford  <richard@codesourcery.com>
26843
26844         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
26845         (FP_REGNO_P): New macros.
26846         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
26847         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
26848         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
26849         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
26850
26851 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26852
26853         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26854         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
26855         to $tmake_file.
26856         * config/m68k/t-floatlib: New file, extracting common code from...
26857         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
26858         * config/m68k/t-uclinux: Here.
26859         * config/m68k/fpgnulib.c: Do not compile extendeed precision
26860         routines on ColdFire targets.
26861
26862 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26863
26864         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26865         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
26866         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
26867         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
26868         explicitly set MOTOROLA to 1.
26869         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
26870
26871 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26872             Nathan Sidwell  <nathan@codesourcery.com>
26873
26874         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
26875         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
26876         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
26877         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
26878         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
26879         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
26880         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
26881         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
26882         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
26883         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26884         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
26885         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
26886         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
26887         (DBX_REGISTER_NUMBER): Delete.
26888         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
26889         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26890         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
26891
26892 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26893
26894         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
26895         * config/flat.h: New file.
26896         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
26897         OBJECT_FORMAT_FLAT.
26898         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
26899         indirect references for -msep-data or -mid-shared-library.
26900         Do not use PC-relative code addresses either.
26901         * config/m68k/m68k.c (override_options): Restrict -fPIC error
26902         to -mpcrel.
26903         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
26904         for shared libraries and crt1.o for executables.  Use crti.o and
26905         crtbegin.o.
26906         (ENDFILE_SPEC): Use crtend.o and crtn.o.
26907         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
26908         Do not add -elf2flt or -shared-lib-id options here.
26909         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
26910         Pass -shared-lib-id if -mid-shared-library, taking the library
26911         identifier from -mshared-library-id if given, otherwise
26912         defaulting to 0.
26913         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
26914         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
26915         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
26916         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
26917         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
26918         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
26919         and crtend.o.
26920         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
26921         jump sequence for ISA A and ISA A+.
26922         (PICJUMP): Likewise.
26923
26924 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26925
26926         * config.gcc (m68k-*-uclinux*): Base the port on the common
26927         and m68k GNU/Linux files rather than on the generic ELF ones.
26928         * config/m68k/uclinux.h (TARGET_VERSION): Override.
26929         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
26930
26931 2007-01-18  Julian Brown  <julian@codesourcery.com>
26932             Richard Sandiford  <richard@codesourcery.com>
26933
26934         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
26935         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
26936         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
26937         before redefining.
26938         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
26939         80 unconditionally.
26940         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
26941
26942 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26943
26944         * doc/install.texi: Document m68k-uclinuxoldabi.
26945         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
26946         * config/m68k/uclinux-oldabi.h: New file, copied from
26947         config/m68k/uclinux.h.
26948
26949 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
26950
26951         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
26952         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
26953         (m32r_compute_frame_size): Use unsigned for regno.
26954         (m32r_reload_lr): Use gen_frame_mem.
26955         (pop): New.
26956         (m32r_output_function_epilogue): Don't output the function epilogue
26957         textually here.
26958         (m32r_expand_epilogue): New.
26959         (direct_return): Return false if the function has the interrupt
26960         attribute.
26961         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
26962         * config/m32r/m32r.md (epilogue): New expander.
26963         (return_lr, return_rte): New insns.
26964         (return): Make it expander.
26965         (return_normal): New expander.
26966
26967 2007-01-18  Josh Conner  <jconner@apple.com>
26968
26969         PR target/30485
26970         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
26971         support for UNLE, UNLT, UNGE, and UNGT.
26972
26973 2007-01-18  Jan Hubicka  <jh@suse.cz>
26974
26975         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
26976         * tree-tailcall (add_virtual_phis): Likewise.
26977         (optimize_tail_call): Return TODOs.
26978         (execute_tail_calls): Return TODOs.
26979         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
26980         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
26981         changed.
26982         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
26983         Cleanup cfg using TODO.
26984         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
26985         * passes.c (execute_function_todo): When cleanup did something, remove
26986         unused locals.
26987         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
26988         (make_edges): Don't cleanup_cfg.
26989
26990 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
26991
26992         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
26993         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
26994         operate on the top of stack.
26995         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
26996         register handling of instructions that output to the second
26997         stack slot.
26998         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
26999         (move_for_stack_reg): Special-case check for dead destination
27000         stack slot for constant load of 1.0 inside UNSPEC_TAN.
27001
27002         * config/i386/i386.md (UNSPEC_TAN): New constant.
27003         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
27004         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
27005         to correctly model move of constant 1.0 to top stack slot.
27006         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
27007         (unnamed peephole2 pattern): Remove corresponding peephole2
27008         pattern that optimizes tan insn and loading of constant 1.0.
27009         (tanxf2): Use fptanxf4_i387.
27010         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
27011         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
27012         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
27013         disable patterns for SSE math.
27014         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
27015         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
27016
27017 2007-01-18  Dirk Mueller  <dmueller@suse.de>
27018             Richard Guenther <rguenther@suse.de>
27019
27020         PR diagnostic/8268
27021         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
27022         * common.opt (Warray-bounds): Add new warning option.
27023         * c-opts.c (c_common_handle_option): Define -Warray-bounds
27024         if -Wall is given.
27025         * Makefile.in: make tree-vrp.o depend on toplev.h
27026         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
27027         is enabled.
27028         (check_array_refs, check_array_bounds, check_array_ref): New.
27029
27030 2007-01-18  Jan Hubicka  <jh@suse.cz>
27031
27032         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
27033         (execute_ssa_ccp): Return flags conditionally.
27034         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
27035         changed.
27036         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
27037
27038 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
27039
27040         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
27041         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
27042
27043         * Makefile.c (GTFILES): Add cfglayout.h.
27044         * gengtype.c (open_base_files): Likewise.
27045         * cfglayout.c (cfg_layout_function_footer,
27046         cfg_layout_function_header) Reindent to make gengtype happy.
27047         * cfglayout.h (cfg_layout_function_footer,
27048         cfg_layout_function_header): Add GTY(()) marker.
27049
27050         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
27051
27052 2007-01-18  Ben Elliston  <bje@au.ibm.com>
27053
27054         * genautomata.c (write_automata): Include xstrerror output in the
27055         error message if writing the DFA description file fails.
27056
27057 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
27058
27059         * config/mips/mips-protos.h (mips_output_external): Make it
27060         return void.
27061         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
27062         * config/mips/mips.c (irix_output_external_libcall): Likewise.
27063         (extern_list): Likewise.
27064         (extern_head): Likewise.
27065         (TARGET_ASM_FILE_END): Likewise.
27066         (mips_file_end): Likewise.
27067         (mips_output_external): Rewritten.
27068
27069 2007-01-18  Ben Elliston  <bje@au.ibm.com>
27070
27071         * genpreds.c (write_insn_preds_c): Only write out the function
27072         body for regclass_for_constraint if we have register constraints.
27073
27074 2007-01-17  Tom Tromey  <tromey@redhat.com>
27075
27076         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
27077         * doc/install.texi (Testing): Use sourceware.org.
27078         (Binaries): Likewise.
27079         (Specific): Likewise.
27080         * doc/contrib.texi (Contributors): Use sourceware.org.
27081
27082 2007-01-17  Anatoly Sokolov <aesok@post.ru>
27083
27084         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
27085         (AVR_ENHANCED): Rename to ...
27086         (AVR_HAVE_MUL): ... new.
27087         (avr_enhanced_p): Rename to ...
27088         (avr_have_mul_p): ... new.
27089         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
27090         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
27091         * config/avr/avr.c (avr_enhanced_p): Rename to ...
27092         (avr_have_mul_p): ... new.
27093         (base_arch_s): Rename 'enhanced' to 'have_mul'.
27094         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
27095         'avr_enhanced_p' and 'enhanced'.
27096         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
27097         AVR_HAVE_MUL instead of AVR_ENHANCED.
27098         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
27099         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
27100         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
27101         instead of AVR_ENHANCED.
27102         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
27103         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
27104         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
27105
27106 2007-01-17  Ian Lance Taylor  <iant@google.com>
27107
27108         * vec.h (VEC_reserve_exact): Define.
27109         (vec_gc_p_reserve_exact): Declare.
27110         (vec_gc_o_reserve_exact): Declare.
27111         (vec_heap_p_reserve_exact): Declare.
27112         (vec_heap_o_reserve_exact): Declare.
27113         (VEC_OP (T,A,reserve_exact)): New static inline function, three
27114         versions.
27115         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
27116         negative parameter.
27117         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
27118         (VEC_OP (T,A,copy)) [all versions]: Likewise.
27119         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
27120         * vec.c (calculate_allocation): Add exact parameter.  Change all
27121         callers.
27122         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
27123         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
27124         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
27125         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
27126         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
27127         (vec_heap_p_reserve_exact): New function.
27128         (vec_heap_o_reserve_exact): New function.
27129
27130 2007-01-17  Jan Hubicka  <jh@suse.cz>
27131
27132         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
27133
27134 2007-01-17  Eric Christopher  <echristo@apple.com>
27135
27136         * config.gcc: Support core2 processor.
27137
27138 2007-01-16  Jan Hubicka  <jh@suse.cz>
27139
27140         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
27141         the names, just unlink the chain so we don't crash on dangling
27142         pointers
27143         to dead SSA names.
27144
27145 2007-01-16  Jan Hubicka  <jh@suse.cz>
27146
27147         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
27148         * tree-pass.h: Reorder to make IPA passes appear toegher.
27149         (pass_early_inline, pass_inline_parameters, pass_apply_inline):
27150         Declare.
27151         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
27152         parameters, do not call early inliner.
27153         * ipa-inline.c: Update comments.  Include tree-flow.h
27154         (cgraph_decide_inlining): Do not compute inlining parameters.
27155         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
27156         be called with function context set up.
27157         (pass_ipa_inline): Remove unreachable functions before pass.
27158         (cgraph_early_inlining): Simplify assuming to be called from the
27159         PM as local pass.
27160         (pass_early_inline): New pass.
27161         (cgraph_gate_ipa_early_inlining): New gate.
27162         (pass_ipa_early_inline): Turn into simple wrapper.
27163         (compute_inline_parameters): New function.
27164         (gate_inline_passes): New gate.
27165         (pass_inline_parameters): New pass.
27166         (apply_inline): Move here from tree-optimize.c
27167         (pass_apply_inline): New pass.
27168         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
27169         transforming.
27170         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
27171         doing them by hand.
27172         (tree_function_versioning): Do not allocate dummy struct function.
27173         * tree-inline.h (optimize_inline_calls): Update prototype.
27174         * tree-optimize.c (execute_fixup_cfg): Export.
27175         (pass_fixup_cfg): Remove
27176         (tree_rest_of_compilation): Do not apply inlines.
27177         * tree-flow.h (execute_fixup_cfg): Declare.
27178         * Makefile.in (gt-passes.c): New.
27179         * passes.c: Include gt-passes.h
27180         (init_optimization_passes): New passes.
27181         (nnodes, order): New static vars.
27182         (do_per_function_toporder): New function.
27183         (execute_one_pass): Dump current pass here.
27184         (execute_ipa_pass_list): Don't dump current pass here.
27185
27186 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
27187
27188         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
27189         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
27190
27191 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
27192
27193         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
27194         (strong_alias): Define.
27195         (__gcc_qmul): Provide non-FMA for soft-float.
27196         (__gcc_qdiv): Same.
27197         (__gcc_qneg): New.
27198         (__gcc_qeq): New.
27199         (__gcc_qle): New.
27200         (__gcc_qge): New.
27201         (__gcc_qunord): New.
27202         (__gcc_stoq): New.
27203         (__gcc_dtoq): New.
27204         (__gcc_qtos): New.
27205         (__gcc_qtod): New.
27206         (__gcc_qtoi): New.
27207         (__gcc_qtou): New.
27208         (__gcc_itoq): New.
27209         (__gcc_utoq): New.
27210         (fmsub): New.
27211         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
27212         soft-float functions.
27213         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
27214         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
27215         about long double soft float.
27216
27217 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
27218             Tehila Meyzels  <tehila@il.ibm.com>
27219
27220         * tree-vectorizer.h (is_pattern_stmt_p): New.
27221         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
27222         formatting (tabs instead of spaces). Cleanup and clarify setting
27223         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
27224         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
27225         (vectorizable_type_demotion): Check that types are integral.
27226         (vectorizable_type_promotion): Likewise.
27227         (vectorizable_store): Fix typo.  Eliminate new-line at end of
27228         comments.
27229
27230 2007-01-16  Jan Hubicka  <jh@suse.cz>
27231
27232         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
27233         cgraph edges too.
27234
27235 2007-01-15  Eric Christopher  <echristo@apple.com>
27236
27237         * ifcvt.c: Include vec.h, vecprim.h.
27238         (check_cond_move_block): New argument regs.
27239         Reorganize. Add registers used to regs.
27240         (cond_move_process_if_block): Use regs set above as
27241         loop bounds.
27242
27243 2007-01-15  Eric Christopher  <echristo@apple.com>
27244
27245         * config/darwin.h: Update copyright.
27246         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
27247         (LINK_COMMAND_SPEC): Add -u.
27248         (LINK_SPEC): Fix umbrella for above.
27249
27250 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
27251
27252         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
27253         glibc CVS.
27254
27255 2007-01-15  Tom Tromey  <tromey@redhat.com>
27256
27257         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
27258         * doc/install.texi (Testing): Don't mention jacks.
27259         (Configuration): Document --enable-java-maintainer-mode.  Move
27260         --with-java-home to libgcj-specific section.  Document
27261         --with-ecj-jar.
27262         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
27263
27264 2007-01-15  Jan Hubicka  <jh@suse.cz>
27265
27266         * tree-ssa-dce.c (DCE_TODOs): New.
27267         (propagate_necessity): Return if something changed.
27268         (eliminate_unnecessary_stmts): Likewise.
27269         (perform_tree_ssa_dce): Return TODO flags when needed.
27270         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
27271
27272 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
27273
27274         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
27275         (fyl2x_extend<mode>xf3_i387): New insn pattern.
27276         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
27277         patterns using X87MODEF12 mode macro.  Extend operand 1
27278         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
27279         (log10<mode>2): Ditto.
27280         (log2<mode>2): Ditto.
27281         (log1p<mode>2): Ditto.
27282         (logb<mode>2): Ditto.
27283         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
27284         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
27285         (*fxtractxf3_i387): Rename from *fxtractxf3.
27286         (fxtract_extend<mode>xf3_i387): New insn pattern.
27287         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
27288         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
27289         and gen_fyl2xxf3_i387().
27290
27291 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
27292
27293         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
27294         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
27295         get_loop_exit_edges.  Changed return type to bool.
27296         * cfgloop.h (fix_loop_placement): Declaration removed.
27297
27298 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
27299
27300         * param.h (MIN_VECT_LOOP_BOUND): New.
27301         * params.def (MIN_VECT_LOOP_BOUND): New.
27302         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
27303         argument - minimum threshold for number of iterations.
27304         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
27305         argument to declaration.
27306         * tree-vect-analyze.c (vect_analyze_operations): Check value of
27307         MIN_VECT_LOOP_BOUND.
27308         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
27309         slpeel_tree_peel_loop_to_edge with additional argument.
27310         (vect_do_peeling_for_alignment): Likewise.
27311         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
27312
27313 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
27314
27315         PR target/30413
27316         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
27317         operands of size 1.
27318
27319 2007-01-14  Jan Hubicka  <jh@suse.cz>
27320
27321         * tree-dfa.c (remove_referenced_var): New function.
27322         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
27323         prune referenced vars list too.
27324         * tree-flow.h (remove_referenced_var): Declare.
27325
27326 2007-01-14  Jan Hubicka  <jh@suse.cz>
27327
27328         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
27329         separately.
27330         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
27331         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
27332         * except.h (verify_eh_throw_table_statements): Kill prototype.
27333         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
27334         into call exrepssions.
27335         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
27336         eh trhow verifier.
27337         * tree-cfg.c: Include pointer-set.h.
27338         (verify_node_sharing): Work on pointer set.
27339         (verify_eh_throw_stmt_node): New.
27340         (verify_stmts): Use pointers sets, verify throw_stmt.
27341
27342 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
27343
27344         * ipa-reference.c (analyze_function): Consider also addresses taken
27345         in phi nodes.
27346
27347 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27348
27349         * c-typeck.c (null_pointer_constant_p): Replace use of
27350         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27351         (build_c_cast): Likewise.
27352
27353 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27354
27355         * tree.h (force_fit_type_double): Remove unused final argument.
27356         * c-common.c (constant_expression_warning): Replace use of
27357         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27358         (convert_and_check): Likewise.
27359         (shorten_compare): Update call to force_fit_type_double.
27360         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
27361         * convert.c (convert_to_pointer): Update call to
27362         force_fit_type_double.
27363         * fold-const.c (force_fit_type_double): Remove overflowed_const
27364         argument.
27365         (int_const_binop, fold_convert_const_int_from_int,
27366         fold_convert_const_int_from_real, fold_div_compare,
27367         fold_sign_changed_comparison, fold_unary, fold_negate_const,
27368         fold_abs_const, fold_not_const): Remove the final argument from
27369         calls to force_fit_type_double.
27370
27371 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
27372
27373         * configure.ac: Set insn to "nop" for spu-*-* also.
27374         * configure: Regenerate.
27375
27376 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
27377
27378         * builtins.def : Add BUILT_IN_FREE.
27379
27380 2007-01-12  Jan Hubicka  <jh@suse.cz>
27381
27382         PR tree-optimization/30443
27383         * tree-inline.c (tree_function_versioning): Do not optimize when
27384         cloning for inlining.
27385
27386 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
27387
27388         * doc/loop.texi: Document recording of loop exits.
27389         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
27390         (update_single_exits_after_duplication,
27391         update_single_exit_for_duplicated_loop,
27392         update_single_exit_for_duplicated_loops): Removed.
27393         (duplicate_loop_to_header_edge): Do not call
27394         update_single_exits_after_duplication and
27395         update_single_exit_for_duplicated_loops.
27396         (loop_version): Do not update single_exit information.
27397         (fix_loop_structure): Use record_loop_exits instead of
27398         mark_single_exit_loops.
27399         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
27400         the lists of loop exits.
27401         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
27402         split_edge, merge_blocks): Update the lists of loop exits.
27403         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
27404         loop_optimizer_init.
27405         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
27406         of mark_single_exit_loops.
27407         (loop_optimizer_finalize): Call release_recorded_exits.
27408         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
27409         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
27410         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
27411         update single exit information.
27412         * lambda-code.c (perfect_nestify): Ditto.
27413         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
27414         (mark_single_exit_loops): Removed.
27415         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
27416         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
27417         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
27418         functions.
27419         (get_loop_exit_edges, single_exit): Use recorded exit lists.
27420         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
27421         (verify_loop_structure): Verify consistency of the exit lists.
27422         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
27423         (set_single_exit): Removed.
27424         * cfgloop.h (struct loop_exit): New function.
27425         (struct loop): single_exit_ field replaced by exits field.
27426         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
27427         LOOPS_HAVE_RECORDED_EXITS.
27428         (struct loops): Added exits hash.
27429         (mark_single_exit_loops, set_single_exit): Declaration removed.
27430         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
27431
27432 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27433
27434         * doc/invoke.texi: Avoid use of @headitem.
27435
27436 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27437
27438         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
27439
27440 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27441
27442         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
27443         list of targets.
27444
27445 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27446             Richard Sandiford  <richard@codesourcery.com>
27447
27448         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
27449         * config/m68k/m68k.opt: Resort options.
27450         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
27451
27452 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27453             Richard Sandiford  <richard@codesourcery.com>
27454
27455         * doc/invoke.texi: Document the macros that are defined by
27456         m68k's -mtune and -mhard-float options.
27457         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
27458         (m68k_cpp_cpu_family): Likewise.
27459         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
27460         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
27461         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
27462         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
27463         (m68k_cpp_cpu_family): Likewise.
27464
27465 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27466
27467         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
27468         macros besides mc68000 as tuning macros.  Use a switch statement
27469         to set them and mcpu32.
27470
27471 2007-01-12  Julian Brown  <julian@codesourcery.com>
27472
27473         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
27474         (TARGET_68040_ONLY): Rename to...
27475         (TARGET_68040): ...this.
27476         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
27477         * config/m68k/m68k.md: Likewise.
27478
27479 2007-01-12  Julian Brown  <julian@codesourcery.com>
27480             Nathan Sidwell  <nathan@codesourcery.com>
27481             Richard Sandiford  <richard@codesourcery.com>
27482
27483         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
27484         the -mcpu= argument associated with the --with-cpu setting.
27485         Define M68K_DEFAULT_TUNE to the default -mtune= option,
27486         if different from the one implied by the -mcpu setting.
27487         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
27488         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
27489         * doc/invoke.texi: Mention ColdFire in the introduction to the
27490         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
27491         -mno-div and -mhard-float options.  Make -m68881 a synonym for
27492         -mhard-float.  Document the previously-undocumented -m5206e,
27493         -m528x, -m5307 and -m5407 options.  Tweak the existing option
27494         documentation for consistency.
27495         * doc/install.texi: Mention new --with-cpu arguments.
27496         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
27497         default CPU if neither -mcpu nor -march are specified.
27498         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
27499         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
27500         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
27501         using m68k_tune to decide between families that implement the
27502         same ISA.  Use m68k_tune to set __mcfv4e__.
27503         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
27504         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
27505         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
27506         (FL_ISA_C, FL_ISA_MMU): New macros.
27507         (MASK_COLDFIRE): Delete.
27508         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
27509         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
27510         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
27511         (TARGET_HARD_FLOAT): Do not define here.
27512         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
27513         (TUNE_68000): New macro.
27514         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
27515         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
27516         (TUNE_CFV2): Redefine in terms of m68k_tune.
27517         (uarch_type, target_device, fpu_type): New enums.
27518         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
27519         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
27520         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
27521         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
27522         (FL_FOR_isa_c): New macros.
27523         (m68k_isa): New enum.
27524         (m68k_target_selection): New structure.
27525         (all_devices, all_isas, all_microarchs): New tables.
27526         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
27527         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
27528         (MASK_ALL_CPU_BITS): Delete.
27529         (m68k_find_selection): New function.
27530         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
27531         Map the legacy target options to a combination of the new ones.
27532         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
27533         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
27534         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
27535         settings.
27536         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
27537         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
27538         properties.
27539         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
27540         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
27541         * config/m68k/m68k-devices.def: New file.
27542
27543 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27544             Nathan Sidwell  <nathan@codesourcery.com>
27545
27546         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
27547         (SUBTARGET_EXTRA_SPECS): New macros.
27548         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
27549         use %(asm_cpu_spec) instead.
27550         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
27551         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
27552         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
27553         (EXTRA_SPECS): Rename to...
27554         (SUBTARGET_EXTRA_SPECS): ...this.
27555
27556 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27557             Richard Sandiford  <richard@codesourcery.com>
27558             Julian Brown  <julian@codesourcery.com>
27559
27560         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27561         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
27562         to the configuration's default CPU.
27563         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
27564         Remove default masks.
27565         (m680[012]0-*-*): Set the default with_cpu to the first part of
27566         the target name.
27567         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
27568         (m68k*-*-linux): Extend the --with-cpu handling to...
27569         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
27570         and m68010.  Don't set target_cpu_default2.
27571         * doc/install.texi: Document --with-cpu for m68k.
27572         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
27573         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
27574         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
27575         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
27576         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
27577         (ASM_SPEC): Remove use of %(asm_cpu_default).
27578         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
27579         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
27580         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
27581         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
27582         __HAVE_FPU__ if TARGET_HARD_FLOAT.
27583         (TARGET_DEFAULT): Delete.
27584         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
27585         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
27586         (CPP_CPU_SPEC): Delete.
27587         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
27588         the appropriate string.
27589         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
27590         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
27591         (ASM_SPEC): Don't use %(asm_default_spec).
27592         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
27593         TARGET_DEFAULT and add MASK_68881.
27594         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
27595
27596 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27597
27598         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
27599         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
27600         MASK_68010 alongside MASK_68020.
27601         * doc/invoke.texi: Document -m68010.
27602         * config/m68k/m68k.opt (m68010): New.
27603         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
27604         if TUNE_68010.
27605         (TUNE_68010): New macro.
27606         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
27607         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
27608         (M68K_CPU_m68332): Add MASK_68010.
27609         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
27610         fallback definition.
27611         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
27612         defines.
27613         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
27614         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
27615         to all entries that use MASK_68020.
27616         (output_move_simode_const, output_move_himode, output_move_qimode)
27617         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
27618         instead of TARGET_68020 to select clr behavior.  Remove comment
27619         about there being no TARGET_68010.
27620         * config/m68k/m68k.md: Likewise throughout.
27621
27622 2007-01-12  Julian Brown  <julian@codesourcery.com>
27623
27624         * config/m68k/m68k.h (TARGET_ISAB): New macro.
27625         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
27626         * config/m68k/m68k.md: Likewise.
27627
27628 2007-01-12  Julian Brown  <julian@codesourcery.com>
27629
27630         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
27631         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
27632
27633 2007-01-12  Julian Brown  <julian@codesourcery.com>
27634
27635         * config/m68k/m68k.h (TUNE_68040_60): New macro.
27636         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
27637         * config/m68k/m68k.md: Likewise.
27638
27639 2007-01-12  Julian Brown  <julian@codesourcery.com>
27640             Richard Sandiford  <richard@codesourcery.com>
27641
27642         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
27643         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
27644         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
27645         TARGET_CPU32.
27646         (TARGET_CPU32): Rename to...
27647         (TUNE_CPU32): ...this.
27648         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
27649         (TUNE_CFV2): New macros.
27650         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
27651         remove conditions that are implied by TARGET_68020.
27652         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
27653         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
27654         (m68k_output_function_epilogue): Likewise.
27655         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
27656         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
27657         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
27658         non-68000 timings.  Refactor multiplication and division costs.
27659         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
27660         TUNE_CPU32 instead of TARGET_CPU32.
27661         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
27662         and TUNE_68060 instead of TARGET_68060.
27663         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
27664         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
27665         TARGET_CPU32.
27666         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
27667         && !TARGET_COLDFIRE" to choose between moveq and clr.
27668         Likewise in the unnamed movsf pattern.
27669         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
27670         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
27671         ashiftrt pattern.
27672
27673 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27674
27675         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
27676         of tabbing before backslashes.
27677
27678 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27679
27680         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
27681         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
27682         (ASM_OUTPUT_INTERNAL_LABEL): Define.
27683
27684 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27685
27686         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
27687         find_interesting_uses_cond.
27688         (find_interesting_uses_cond): Use extract_cond_operands.
27689         (rewrite_use_compare): Use extract_cond_operands and
27690         force_gimple_operand_bsi.  Do not call update_stmt.
27691         (determine_use_iv_cost_condition): Use extract_cond_operands.
27692         Return cheaper of using original bound and changing the exit bound.
27693
27694 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27695
27696         PR tree-optimization/29516
27697         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
27698         most_expensive_mult_to_index, addr_to_parts,
27699         create_mem_ref, maybe_fold_tmr): Make the type of
27700         fields of TARGET_MEM_REF sizetype.
27701         (move_fixed_address_to_symbol, move_pointer_to_base):
27702         New functions.
27703         * tree.def (TARGET_MEM_REF): Add comment on types of
27704         the operands.
27705
27706 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
27707
27708         * c-common.c (vector_types_convertible_p): Treat opaque types as
27709         always convertible if they have the same size, but not otherwise.
27710
27711 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
27712
27713         * ifcvt.c (struct noce_if_info): Add comments to the fields.
27714         Remove the b_unconditional field.
27715         (noce_try_sign_mask): Do not look at b_unconditional.
27716         (noce_process_if_block): Do not use merge_if_blocks.  Update
27717         the CFG here.  Do not set b_unconditional.
27718         (cond_move_process_if_block): Likewise.
27719         (find_cond_trap): Likewise.
27720         (check_cond_move_block): Require simple jump insns at the end
27721         of the basic block.
27722
27723 2007-01-11  Jan Hubicka  <jh@suse.cz>
27724
27725         PR tree-optimization/1046
27726         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
27727         when alias info is not ready.
27728         (pass_tail_recursion): Do not require aliasing.
27729         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
27730         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
27731         * tree-ssa-copy.c (pass_copy_prop): Likewise.
27732         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
27733         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
27734         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
27735         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
27736         before inlining.
27737         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
27738         When aliasing is not build, mark statement as volatile.
27739
27740 2007-01-11  Tom Tromey  <tromey@redhat.com>
27741
27742         PR preprocessor/15185, PR preprocessor/20989:
27743         * doc/cppopts.texi <-MT>: Update description of algorithm for
27744         computing default target.
27745         <-M, -MD>: Reword "basename" text.
27746
27747 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27748
27749         * builtins.c (expand_builtin_pow, expand_builtin_powi,
27750         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
27751         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
27752         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
27753         fold_builtin_bswap, real_constp, fold_builtin_pow,
27754         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
27755         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
27756         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27757         * convert.c (convert_to_pointer): Likewise.
27758         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
27759         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
27760         const_binop, fold_convert_const_int_from_int,
27761         fold_convert_const_int_from_real,
27762         fold_convert_const_real_from_real, sign_bit_p,
27763         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
27764         fold_sign_changed_comparison, fold_unary, fold_comparison,
27765         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
27766         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
27767         * print-tree.c (print_node_brief, print_node): Likewise.
27768         * stor-layout.c (place_field, layout_type): Likewise.
27769         * tree-chrec.c (keep_cast): Likewise.
27770         * tree.c (build_vector, build_real, build_real_from_int_cst,
27771         build_complex): Likewise.
27772
27773 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27774
27775         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
27776         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
27777
27778 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
27779
27780         * configure.ac (strict1_warn): Rename to strict_warn.
27781         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
27782         cc_set_by_configure, quoted_cc_set_by_configure,
27783         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
27784         all_boot_languages, all_stagestuff): Remove.
27785         (target_list): Remove bootstrap targets.
27786         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
27787         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
27788         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
27789         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
27790         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
27791         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
27792         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
27793         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
27794         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
27795         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
27796         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
27797         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
27798         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
27799         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
27800         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
27801         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
27802         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
27803         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
27804         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
27805         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
27806         (mostlyclean): Adjust.
27807         (clean, distclean): Don't mention bootstrap stuff.
27808         * configure: Regenerate.
27809         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
27810         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
27811         treelang/config-lang.in (stagestuff): Remove.
27812         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
27813         stageprofile, stagefeedback, stagestuff): Remove mention.
27814
27815 2007-01-11  Nick Clifton  <nickc@redhat.com>
27816
27817         * config/mcore/predicates.md (mcore_general_movesrc_operand):
27818         Accept CONSTs.
27819         (mcore_general_movdst_operand): Do not accept CONST_INTs.
27820         (mcore_arith_K_S_operand): Run the test for the S constraint not
27821         the test for the M constraint.
27822         (mcore_addsub_operand): Do not accept integer values that are
27823         larger than 32 bits.
27824         * config/mcore/mcore.md: Remove unused constraints from split.
27825         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
27826         (addsi3): Likewise.
27827         (allocate_stack): Likewise.
27828         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
27829         operands to 32 bits.
27830         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
27831         INTVAL.
27832         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
27833         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
27834         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
27835         mcore_output_bclri, mcore_output_andn, output_inline_const,
27836         mcore_output_move, mcore_output_movedouble): Likewise.
27837         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
27838         (output_inline_const): Likewise.
27839         (output_inline_const): Fix format strings used in sprintf
27840         statements.
27841         * config/mcore/mcore-protos.h: Update prototypes for changed
27842         functions in mcore.c.
27843         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
27844         HOST_WIDE_INT and not int.
27845         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
27846         CONST_OK_FOR_N): Likewise.
27847         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
27848         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
27849         an INTVAL.
27850
27851 2007-01-10  Jan Hubicka  <jh@suse.cz>
27852
27853         * tree-vrp.c (remove_range_assertions): Release defs.
27854         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
27855         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
27856
27857 2007-01-10  Paul Brook  <paul@codesourcery.com>
27858
27859         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
27860         * config/arm/arm.md (mulsi3subsi): New insn.
27861
27862 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
27863
27864         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
27865         (tree_transform_and_unroll_loop): New.
27866         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
27867         Declare.
27868
27869 2007-01-10  Robert Kennedy <jimbob@google.com>
27870
27871         * fold-const.c (fold_comparison): Fold comparisons like (x *
27872         1000 < 0) to (x < 0).
27873
27874 2007-01-10  Ian Lance Taylor  <iant@google.com>
27875
27876         * tree-pretty-print.c (dump_generic_node): Print parentheses when
27877         operands have the same priority.
27878
27879 2007-01-10  Tom Tromey  <tromey@redhat.com>
27880
27881         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
27882         (fold_binary): Likewise.
27883         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
27884         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
27885         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
27886         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
27887         * langhooks.h (struct lang_hooks): Removed field
27888         'can_use_bit_fields_p'.
27889
27890 2007-01-10  Ralf CorsÃÂ©pius <ralf.corsepius@rtems.org>
27891
27892         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
27893
27894 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
27895
27896         * function.c (get_last_funcdef_no): New function.
27897         * function.h (get_last_funcdef_no): Declare.
27898         * tree-inline.c (initialize_cfun): Add initialization.
27899         (tree_function_versioning): Cleanup.
27900
27901 2007-01-10  Jan Hubicka  <jh@suse.cz>
27902
27903         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
27904         PHIs.
27905
27906 2007-01-10  Sa Liu  <saliu@de.ibm.com>
27907             Ben Elliston  <bje@au.ibm.com>
27908
27909         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
27910         for SAVE_NONLOCAL and Pmode for any other save level.
27911         * spu-protos.h (spu_restore_stack_block): Declare.
27912         * spu.md (save_stack_block): Remove.
27913         (restore_stack_block): Call spu_restore_stack_block.
27914         * spu.c (spu_restore_stack_block): New function.
27915         (spu_expand_epilogue): Remove old comment.
27916
27917 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
27918
27919         PR tree-optimization/30322
27920         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
27921         (cand_value_at): Return the value as aff_tree.
27922         (may_eliminate_iv): Convert the bound from aff_tree to tree.
27923         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
27924         aff_combination_mult): New functions.
27925         (aff_combination_add): Use aff_combination_add_cst.
27926         (aff_combination_convert): Allow conversions to a wider type.
27927         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
27928         * tree-affine.h (aff_combination_mult): Declare.
27929
27930 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
27931
27932         * doc/tm.texi: Update documentation to reflect reality of exec
27933         and start file search behaviours. Update copyright year.
27934         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
27935         header file directories.
27936
27937 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
27938
27939         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
27940         (*cosxf2): Rename to cosxf2_i387.
27941         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
27942         using X87MODEF12 mode macro. Rename patterns to
27943         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
27944         for SSE math.
27945         (*cosdf2, *cossf2): Ditto.
27946         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
27947         to match extended input operands.
27948         (sincos<mode>3): New expander.
27949         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
27950         insn patterns and corresponding splitters.
27951
27952 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
27953
27954         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
27955         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
27956
27957 2007-01-09  Nicolas Pitre  <nico@cam.org>
27958
27959         PR target/30173
27960         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
27961
27962 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
27963
27964         * target.h (struct gcc_target): New field library_rtti_comdat.
27965         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
27966         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
27967         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
27968         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
27969
27970 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
27971
27972         * doc/invoke.texi (Optimize Options): Correct description of -O0.
27973
27974 2007-01-08  Richard Guenther  <rguenther@suse.de>
27975
27976         * tree.h (force_fit_type_double): Export.
27977         (force_fit_type): Remove.
27978         * fold-const.c (force_fit_type_double): New function.
27979         (force_fit_type): Remove.
27980         (int_const_binop): Use it.
27981         (fold_convert_const_int_from_int): Likewise.
27982         (fold_convert_const_int_from_real): Likewise.
27983         (fold_div_compare): Likewise.
27984         (fold_sign_changed_comparison): Likewise.
27985         (fold_unary): Likewise.
27986         (fold_negate_const): Likewise.
27987         (fold_abs_const): Likewise.
27988         (fold_not_const): Likewise.
27989         * c-common.c (shorten_compare): Use force_fit_type_double.
27990         * convert.c (convert_to_pointer): Likewise.
27991
27992 2007-01-08  Richard Guenther  <rguenther@suse.de>
27993
27994         * tree.h (build_int_cst_wide_type): Export.
27995         * tree.c (build_int_cst_wide_type): New function.
27996         (build_int_cst_wide): Fix comment.
27997         * builtins.c (fold_builtin_object_size): Use build_int_cst
27998         to build -1 or 0 of the correct type.  Use fit_double_type
27999         to check for overflow.
28000         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
28001         to build the mask.
28002         (decode_field_reference): Likewise.
28003         (all_ones_mask_p): Likewise.
28004         (native_interpret_int): Use build_int_cst_wide_type.
28005         (fold_binary): Use build_int_cst_type to build an all-ones
28006         value.
28007         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
28008
28009 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
28010
28011         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
28012
28013 2007-01-09  Ben Elliston  <bje@au.ibm.com>
28014
28015         * genautomata.c (STATS_OPTION): New option.
28016         (stats_flag): New flag.
28017         (gen_automata_option): Handle it.
28018         (initiate_automaton_gen): Ditto.
28019         (write_automata): Output statistics only if stats_flag is
28020         set. Likewise, output time statistics only if time_flag is set.
28021         * doc/md.texi (Processor pipeline description): Document new flag.
28022
28023 2007-01-08  Richard Guenther  <rguenther@suse.de>
28024
28025         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
28026         * tree.c (build_int_cst_type): Likewise.
28027         (size_in_bytes): Don't call force_fit_type on the result.
28028         (int_fits_type_p): Use fit_double_type.
28029         * fold-const.c (fit_double_type): New function.
28030         (force_fit_type): Use it.
28031         * tree.h (fit_double_type): Export.
28032
28033 2007-01-08  Jan Hubicka  <jh@suse.cz>
28034
28035         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
28036         * ipa.c (function_and_variable_visibility): Fix return type.
28037
28038 2007-01-08  Richard Guenther  <rguenther@suse.de>
28039
28040         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
28041         of offset to build the index.
28042         * tree-pretty-print.c (dump_generic_node): Don't build negated
28043         const just for printing.
28044         * c-pretty-print.c (pp_c_integer_constant): Likewise.
28045         * builtins.c (fold_builtin_int_roundingfn): Check if result
28046         fits the type by using force_fit_type and comparing the result.
28047         * predict.c (predict_loops): Use compare_tree_int for comparison.
28048         * tree.c (build_int_cst): Fall back to integer_type_node for
28049         NULL_TREE type.
28050         (build_int_cst_wide): Assert type is non-null.
28051
28052 2007-01-08  Roberto Costa  <roberto.costa@st.com>
28053
28054         * tree-vrp.c (extract_range_from_cond_expr): New.
28055         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
28056         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
28057         as expressions.
28058         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
28059         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
28060         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
28061         used as expressions.
28062         * tree-object-size.c (cond_expr_object_size): New.
28063         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
28064
28065 2007-01-08  Jan Hubicka  <jh@suse.cz>
28066
28067         * tree-ssa-forwprop.c (forward_propagate_into_cond,
28068         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
28069         statement.
28070
28071 2007-01-08  Richard Guenther  <rguenther@suse.de>
28072
28073         PR tree-optimization/23603
28074         * tree-vrp.c (set_value_range_to_truthvalue): New function.
28075         (extract_range_from_binary): Fall back to truthvalue instead of
28076         varying for TRUTH_*_EXPR.
28077         (extract_range_from_comparison): Fall back to truthvalue instead of
28078         varying.
28079         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
28080         if all visited PHI values were constant.
28081
28082 2007-01-08  Jan Hubicka  <jh@suse.cz>
28083
28084         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
28085         (cgraph_analyze_function): break out from ...
28086         (cgraph_finalize_compilation_unit): ... here.
28087         (cgraph_expand_function): Remove forgoten commented out line.
28088         (cgraph_optimize): Analyze functions.
28089
28090 2007-01-08  Jan Hubicka  <jh@suse.cz>
28091
28092         * tree-pas.h (TODO_remove_function): New flag.
28093         (TODO_update*): Renumber.
28094         (pass_ipa_increase_alignment,
28095         pass_ipa_function_and_variable_visibility): New passes.
28096         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
28097         (cgraph_function_and_variable_visibility): Move to ipa.c
28098         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
28099         cgraph_increase_alignment.
28100         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
28101         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
28102         calling tree-inline.
28103         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
28104         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
28105         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
28106         (gate_increase_alignment): New function.
28107         (pass_ipa_increase_alignment): New pass.
28108         * ipa.c: Inline tree-pass.h and timevar.h
28109         (function_and_variable_visibility): Move here from cgraphunit.c
28110         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
28111         * passes.c (init_optimization_passes): Add the two new passes.
28112         (execute_todo): Handle cgraph_remove_functions.
28113
28114 2007-01-08  Nick Clifton  <nickc@redhat.com>
28115
28116         * config/frv/predicates.md (reg_or_0_operand): Accept
28117         CONST_DOUBLEs.
28118
28119 2007-01-08  Ralf CorsÃÂ©pius <ralf.corsepius@rtems.org>
28120
28121         * config/bfin/rtems.h, config/bfin/t-rtems: New.
28122         * config.gcc: Add bfin*-rtems*.
28123
28124 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
28125
28126         * c.opt: Add -flax-vector-conversions.
28127         * c-typeck.c (convert_for_assignment): Pass flag to
28128         vector_types_convertible_p to allow emission of note.
28129         (digest_init): Likewise.
28130         * c-opts.c: Handle -flax-vector-conversions.
28131         * c-common.c (flag_lax_vector_conversions): New.
28132         (vector_types_convertible_p): Unless -flax-vector conversions
28133         has been passed, disallow conversions between vectors with
28134         differing numbers of subparts and/or element types.  If such
28135         a conversion is disallowed, possibly emit a note on the first
28136         occasion only to inform the user of -flax-vector-conversions.
28137         The new last argument specifies this.
28138         * c-common.h (flag_lax_vector_conversions): New.
28139         (vector_types_convertible_p): Add extra argument.
28140         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
28141         char_type_node for V*QI type vectors.
28142         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
28143         Update to satisfy new typechecking rules.
28144         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
28145         C and C++ variants.
28146         * doc/invoke.texi (C Dialect Options): Document
28147         -flax-vector-conversions.
28148
28149 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
28150
28151         PR tree-optimization/29877
28152         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
28153         a register variable on the RHS to not be replaceable.
28154
28155 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
28156         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
28157         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
28158         const_simm15, const_pow2, const_npow2): Added.
28159         * config/score/misc.md (insv, extv, extzv, movmemsi,
28160         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
28161         * config/score/score.c (score_address_cost, score_select_cc_mode):
28162         Added.
28163         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
28164         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
28165         Update score_print_operand.
28166         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
28167         Adjust register allocate order and update some macro define.
28168         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
28169         mdx_block_move_straight, mdx_block_move_loop_head,
28170         mdx_block_move_loop_body, mdx_block_move_loop_foot,
28171         mdx_block_move_loop, mdx_block_move): Added.
28172         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
28173         mdp_limm): Updated and fix some bug and typo.
28174         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
28175         (movsf, movdf, doloop_end): Added.
28176
28177 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
28178
28179         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
28180         config/arm/thumb2.md: Fix comment typos.
28181         * doc/extend.texi: Fix a typo.
28182
28183 2007-01-07  Eric Christopher  <echristo@apple.com>
28184
28185         * configure.ac: Check for __stack_chk_fail for darwin.
28186         * configure: Regenerate.
28187
28188 2007-01-07  Richard Guenther  <rguenther@suse.de>
28189
28190         * tree-vrp.c (extract_range_from_assert): CSE calls to
28191         compare_values where possible.
28192         (extract_range_from_unary_expr): Likewise.
28193
28194 2007-01-07  Anatoly Sokolov <aesok@post.ru>
28195
28196         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
28197         * config/avr/avr.c (call_insn_operand): Delete function.
28198         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
28199         instead of register number. Use predicates.
28200         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
28201         call_insn_operand): Add.
28202
28203 2007-01-06  Jan Hubicka  <jh@suse.cz>
28204
28205         * tree-pass.h (pass_build_cgraph_edges): Declare.
28206         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
28207         (visited_nodes): Remove.
28208         (cgraph_create_edges): Move to cgraphbuild.c; rename to
28209         build_cgrpah_edges; make visited_nodes local.
28210         (cgraph_process_new_functions): DO not call initialize_inline_failed.
28211         (record_references_in_initializer): Move to cgraphbuild.c
28212         (initialize_inline_failed, rebuild_cgraph_edges,
28213         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
28214         (verify_cgraph_node): Make visited_nodes local.
28215         (cgraph_analyze_function): Do not call cgraph_create_edges and
28216         initialize_inline_failed.
28217         (cgraph_expand_function): Do not call cgraph_lower_function;
28218         assert that function is already lowered.
28219         * Makefile.in (cgraphbuild.o): New.
28220         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
28221         at the end of lowering passes.
28222
28223 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
28224
28225         * ifcvt.c (cond_move_convert_if_block): New function, code
28226         factored out from...
28227         (cond_move_process_if_block): ...here.  Call the new function
28228         on the THEN and ELSE blocks.
28229         (merge_if_block): Do not copy global_live_at_end, merge_blocks
28230         already takes care of this.
28231
28232 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28233
28234         PR c/19978
28235         * tree.h (TREE_OVERFLOW_P): New.
28236         * c-typeck.c (parser_build_unary_op): Warn only if result
28237         overflowed and operands did not.
28238         (parser_build_binary_op): Likewise.
28239         (convert_for_assignment): Remove redundant overflow_warning.
28240         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
28241
28242 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28243
28244         * c-typeck.c (store_init_value): Split over two lines to follow
28245         the GNU coding style.
28246
28247 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
28248
28249         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
28250         __GXX_EXPERIMENTAL_CXX0X__.
28251         * doc/cpp.texi: Same.
28252
28253 2007-01-05  Richard Guenther  <rguenther@suse.de>
28254
28255         PR middle-end/27826
28256         * tree.c (get_narrower): Do not construct COMPONENT_REFs
28257         with mismatched types.  Instead explicitly build a
28258         conversion NOP_EXPR.
28259
28260 2007-01-05  Ian Lance Taylor  <iant@google.com>
28261
28262         * c-common.c (decl_with_nonnull_addr_p): New function.
28263         (c_common_truthvalue_conversion): Call it.
28264         * c-typeck.c (build_binary_op): Likewise.
28265         * c-common.h (decl_with_nonnull_addr_p): Declare.
28266
28267 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
28268
28269         PR c/30360
28270         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
28271         denom against 0.0.
28272
28273 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
28274
28275         * doc/install.texi (Final install): Document the fact that
28276         the GNAT runtime should not be stripped.
28277
28278 2007-01-04  Jan Hubicka  <jh@suse.cz>
28279
28280         * tree-inline.c (fold_marked_statements): Update operand caches
28281         and EH after folding
28282
28283 2007-01-04  Ian Lance Taylor  <iant@google.com>
28284
28285         * c-common.c (check_function_nonnull): Whitespace fix.
28286
28287 2007-01-04  Jan Hubicka  <jh@suse.cz>
28288
28289         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
28290         comitted older version of patch.
28291         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
28292         function, celanup cfg and collect garbage.
28293
28294 2007-01-04  Mike Stump  <mrs@apple.com>
28295
28296         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
28297         (clean): Likewise.
28298
28299 2007-01-04  Eric Christopher  <echristo@apple.com>
28300
28301         * libgcc2.c (__bswapsi2): Use SItype.
28302         (__bswapdi2): Use DItype.
28303         * libgcc2.h: Update for above.
28304
28305 2007-01-04  Paul Brook  <paul@codesourcery.com>
28306
28307         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
28308         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
28309         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
28310         umulsidi3, umulsidi3adddi, smulsi3_highpart,
28311         umulsi3_highpart): Make conditional on !arm_arch6.
28312         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
28313         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
28314         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
28315         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
28316         umulsi3_highpart_v6): New insns.
28317
28318 2007-01-04  Roger Sayle  <roger@eyesopen.com>
28319
28320         * fold-const.c (fold_convert): When casting an expression to void,
28321         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
28322         have a type.  Instead of attempting to build a NOP_EXPR, return
28323         these "special" trees directly.
28324
28325 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
28326
28327         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
28328         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
28329         rs6000_cost->fp not 0 as adjustment for outer NEG.
28330
28331 2007-01-04  Jan Hubicka  <jh@suse.cz>
28332
28333         * cgraph.c (cgraph_release_function_body): New function.
28334         (cgraph_remove_node): Use it.
28335         * cgraph.h (cgraph_release_function_body): Declare.
28336         * cgraphunit.c (cgraph_expand_function): Use it.
28337         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
28338         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
28339         is initialized and while compilation of other function is running.
28340         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
28341         statement CFG annotations from here to ...
28342         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
28343
28344 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
28345
28346         * cfgloop.h (enum li_flags): Make the constants powers of two.
28347
28348 2007-01-04  Jan Hubicka  <jh@suse.cz>
28349
28350         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
28351         set.
28352         (fold_marked_statements): New function.
28353         (optimize_inline_calls, tree_function_versioning): Fold new statements.
28354         * tree-inline.h (copy_body_data): Add statements_to_fold.
28355
28356 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
28357
28358         * config.gcc: Mention libgcc/config.host.
28359         * Makefile.in: Update comments mentioning libgcc.
28360         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
28361         (all.cross, start.encap, rest.encap, rest.cross): Update
28362         dependencies for libgcc move.
28363         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
28364         (clean-target, clean-target-libgcc): Delete.
28365         (srcdirify, GCC_EXTRA_PARTS): New macros.
28366         (libgcc-support, libgcc.mvars): New rules.
28367         (distclean): Remove mention of mklibgcc.
28368         (install): Don't reference INSTALL_LIBGCC.
28369         (install-common): Don't reference EXTRA_PARTS.
28370         (install-libgcc, install-multilib): Delete rules.
28371         * mklibgcc.in: Delete file.
28372         * doc/configfiles.texi: Don't mention mklibgcc.
28373
28374         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
28375         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
28376         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
28377         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
28378         (mklibgcc, ldblspecs): Likewise.
28379
28380         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
28381         (posixpre.def): Use $(T).
28382         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
28383         (SHLIB_SRC, SHLIB_INSTALL): Delete.
28384         (SHLIB_LINK): Make dummy.
28385         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
28386
28387         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
28388
28389         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
28390         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
28391         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
28392         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
28393
28394         * configure.ac (all_outputs): Remove mklibgcc.
28395         * configure: Regenerated.
28396
28397 2007-01-03  Josh Conner  <jconner@apple.com>
28398
28399         PR middle-end/29683
28400         * calls.c (compute_argument_addresses): Set stack and stack_slot
28401         for partial args, too.
28402         (store_one_arg): Use locate.size.constant for the size when
28403         generating a save_area.
28404
28405 2007-01-03  Robert Kennedy <jimbob@google.com>
28406
28407         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
28408         whose definitions are deleted due to basic block merging.
28409
28410 2007-01-03  Paul Brook  <paul@codesourcery.com>
28411
28412         PR target/16634
28413         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
28414         functions.
28415         (use_return_insn): Return 0 for Thumb interrupt functions.
28416         (print_multi_reg): Add rfe argument for IRQ returns.
28417         (arm_output_epilogue): Pop interrupt return address directly into PC.
28418         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
28419
28420 2007-01-03  Paul Brook  <paul@codesourcery.com>
28421
28422         Merge from sourcerygxx-4_1.
28423         * config/arm/thumb2.md: New file.
28424         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
28425         Thumb-2.
28426         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
28427         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28428         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
28429         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
28430         tables.
28431         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28432         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
28433         comptibility.
28434         * config/arm/ieee754-sf.S: Ditto.
28435         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
28436         (thumb1_base_register_rtx_p): ... to this.
28437         (thumb_index_register_rtx_p): Rename...
28438         (thumb1_index_register_rtx_p): ... to this.
28439         (thumb_output_function_prologue): Rename...
28440         (thumb1_output_function_prologue): ... to this.
28441         (thumb_legitimate_address_p): Rename...
28442         (thumb1_legitimate_address_p): ... to this.
28443         (thumb_rtx_costs): Rename...
28444         (thumb1_rtx_costs): ... to this.
28445         (thumb_compute_save_reg_mask): Rename...
28446         (thumb1_compute_save_reg_mask): ... to this.
28447         (thumb_final_prescan_insn): Rename...
28448         (thumb1_final_prescan_insn): ... to this.
28449         (thumb_expand_epilogue): Rename...
28450         (thumb1_expand_epilogue): ... to this.
28451         (arm_unwind_emit_stm): Rename...
28452         (arm_unwind_emit_sequence): ... to this.
28453         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
28454         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
28455         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
28456         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
28457         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
28458         thumb2_output_casesi): New functions.
28459         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
28460         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
28461         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
28462         THUMB2_WORK_REGS): Define.
28463         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
28464         arm_condexec_mask, arm_condexec_masklen)): New variables.
28465         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
28466         (arm_override_options): Check new CPU capabilities.
28467         Set new architecture flag variables.
28468         (arm_isr_value): Handle v7m interrupt functions.
28469         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
28470         Thumb-2.
28471         (const_ok_for_arm): Handle Thumb-2 constants.
28472         (arm_gen_constant): Ditto.  Use movw when available.
28473         (arm_function_ok_for_sibcall): Return false for v7m interrupt
28474         functions.
28475         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
28476         (thumb_find_work_register, arm_load_pic_register,
28477         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
28478         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
28479         print_multi_reg, output_mov_long_double_fpa_from_arm,
28480         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
28481         output_mov_double_fpa_from_arm, output_move_double,
28482         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
28483         output_return_instruction, arm_output_function_prologue,
28484         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
28485         arm_output_mi_thunk, thumb_set_return_address): Ditto.
28486         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
28487         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
28488         (arithmetic_instr, shift_op): Use arm_shift_nmem.
28489         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
28490         '!' and 'L'.
28491         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
28492         (thumb_expand_prologue): Use thumb_set_frame_pointer.
28493         (arm_file_start): Output directive for unified syntax.
28494         (arm_unwind_emit_set): Handle stack alignment instruction.
28495         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
28496         Add v6t2, v7, v7a, v7r and v7m.
28497         (RETLDM): Add Thumb-2 code.
28498         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
28499         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
28500         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
28501         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
28502         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
28503         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
28504         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
28505         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
28506         ADJUST_INSN_LENGTH): Define.
28507         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
28508         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
28509         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
28510         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
28511         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
28512         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
28513         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
28514         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
28515         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
28516         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
28517         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
28518         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
28519         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
28520         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
28521         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
28522         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
28523         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
28524         cortex-m3.
28525         * config/arm/arm-tune.md: Regenerate.
28526         * config/arm/arm-protos.h: Update prototypes.
28527         * config/arm/vfp.md: Enable patterns for Thumb-2.
28528         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
28529         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
28530         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
28531         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
28532         * config/arm/libunwind.S: Add Thumb-2 code.
28533         * config/arm/constraints.md: Update include Thumb-2.
28534         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
28535         * config/arm/ieee754-df.S: Ditto.
28536         * config/arm/bpabi.S: Ditto.
28537         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
28538         * config/arm/predicates.md (low_register_operand,
28539         low_reg_or_int_operand, thumb_16bit_operator): New.
28540         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
28541         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
28542         * config/arm/t-arm-elf: Add armv7 multilib.
28543         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
28544         Include thumb2.md.
28545         (UNSPEC_STACK_ALIGN, ce_count): New.
28546         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
28547         arm_zero_extendsidi2, arm_zero_extendqidi2): New
28548         insns/expanders.
28549         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
28550         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
28551         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
28552         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
28553         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
28554         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
28555         insns.
28556         * doc/extend.texi: Document ARMv7-M interrupt functions.
28557         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
28558
28559 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
28560
28561         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
28562         (struct _Unwind_Context): Rename args_size to flags, remove
28563         signal_frame field, add a new args_size field and version field.
28564         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
28565         _Unwind_IsExtendedContext): New inline functions.
28566         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
28567         Assume by_value array is only present if _Unwind_IsExtendedContext.
28568         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
28569         _Unwind_IsSignalFrame.
28570         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
28571         (uw_update_context_1): Use _Unwind_SetSignalFrame.
28572         (uw_init_context_1): Initialize context->flags to
28573         EXTENDED_CONTEXT_BIT.
28574         * config/rs6000/linux-unwind.h (frob_update_context): Use
28575         _Unwind_SetSignalFrame.
28576
28577 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28578
28579         PR middle-end/30353
28580         * gimplify.c (gimplify_modify_expr_complex_part): Move below
28581         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
28582         the value.
28583
28584 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
28585
28586         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
28587         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
28588         RET, AT_SP): Remove.
28589         * config/i386/i386.md (*sse_prologue_save_insn): Use return
28590         instead of RET.
28591
28592         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28593         * cfgbuild.c (find_basic_blocks): Likewise.
28594         * cfgrtl.c (rtl_create_basic_block): Likewise.
28595         * function.c (temp_slots_at_level): Likewise.
28596         * reg-stack.c (stack_regs_mentioned): Likewise.
28597         * regclass.c (allocate_reg_info): Likewise.
28598         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28599         set_bb_for_stmt, move_block_to_fn): Likewise.
28600         * tree-complex.c (tree_lower_complex): Likewise.
28601         * vec.h (VEC_safe_grow_cleared): New.
28602
28603         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
28604
28605 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
28606
28607         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
28608         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
28609         to loop_version.
28610         * cfgloopmanip.c (scale_loop_frequencies): Export.
28611         (loopify): Scale the frequencies by prescribed coefficients.
28612         (set_zero_probability): New function.
28613         (duplicate_loop_to_header_edge): Improve updating of frequencies.
28614         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
28615         and frequencies according to arguments.
28616         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
28617         correctly.
28618         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
28619         * modulo-sched.c (sms_schedule): Set probabilities for entering
28620         versioned loop correctly.
28621         * tree-vect-transform.c (vect_transform_loop): Ditto.
28622         * cfgloop.h (loopify, loop_version): Declaration changed.
28623         (scale_loop_frequencies): Declared.
28624
28625 2007-01-02  Jan Hubicka  <jh@suse.cz>
28626
28627         * cgraph.c: Include tree-flow.h
28628         (cgraph_add_new-function): Handle IPA_SSA mode; execute
28629         early_local_passes.
28630         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
28631         * tree-pass.h (pass_all_early_optimizations): Declare.
28632         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
28633         early_local_passes.
28634         (cgraph_analyze_function): Do early_local_passes.
28635         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28636         Do not add referenced vars.
28637         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
28638         SSA form.
28639         (gate_all_early_local_passes): New gate.
28640         (pass_early_local_passes): Use new gate.
28641         (execute_early_local_optimizations): New functions.
28642         (gate_all_early_optimizations): New gate.
28643         (pass_all_early_optimizations): New pass.
28644         (execute_free_datastructures): Free SSA only when initialized.
28645         (gate_init_datastructures): Init only when optimizing.
28646         (tree_lowering_passes): Do early local passes when called late.
28647         * tree-profile.c (do_tree_profiling): Don't profile functions added
28648         late.
28649         (do_early_tree_profiling, pass_early_tree_profile): Kill.
28650         * tree-cfg.c (update_modified_stmts): Do not update when operands are
28651         not active.
28652         * passes.c (init_optimizations_passes): Reorder so we go into SSA
28653         during early_local_passes.
28654         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
28655
28656
28657 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28658
28659         * Makefile.in: Update copyright year.
28660
28661 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28662
28663         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
28664         in $(lang_checks) and check-consistency targets.
28665
28666 2007-01-02  Jan Hubicka  <jh@suse.cz>
28667
28668         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28669         Do not add referenced vars.
28670         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
28671         are not active.
28672         * passes.c (init_optimization_passes): Put mudflap_2 after
28673         free_datastructures.
28674
28675 2007-01-02  Jan Hubicka  <jh@suse.cz>
28676
28677         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
28678         Set NOTHROW flag on call statements proved to be nothrow.
28679         Update statement of local calls so new pure/const functions are
28680         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
28681         goto receivers.
28682         (tree_rest_of_compilation): Register hooks and initialize bitmap
28683         early. Do not set after_inlining flag.
28684
28685 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
28686
28687         * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
28688         HOST_BITS_PER_LONGLONG
28689
28690 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
28691
28692         PR c/19977
28693         * c-typeck.c (store_init_value): Don't emit pedantic overflow
28694         warning for non-static initializers.
28695
28696 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
28697
28698         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
28699         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
28700         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
28701         Always use set_unique_reg_note to add REG_EQUAL notes.
28702
28703 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28704
28705         Revert:
28706         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28707
28708         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28709         * cfgbuild.c (find_basic_blocks): Likewise.
28710         * cfgrtl.c (rtl_create_basic_block): Likewise.
28711         * function.c (temp_slots_at_level): Likewise.
28712         * reg-stack.c (stack_regs_mentioned): Likewise.
28713         * regclass.c (allocate_reg_info): Likewise.
28714         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28715         set_bb_for_stmt, move_block_to_fn): Likewise.
28716         * tree-complex.c (tree_lower_complex): Likewise.
28717         * vec.h (VEC_safe_grow_cleared): New.
28718
28719 2007-01-02  Ian Lance Taylor  <iant@google.com>
28720
28721         * c-common.c (c_common_truthvalue_conversion): When warning about
28722         using an assignment as a truth value, set TREE_NO_WARNING.
28723
28724 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28725
28726         PR middle-end/7651
28727         * c.opt (Wold-style-declaration): New.
28728         * doc/invoke.texi (C-only Warning Options): New.
28729         (Wold-style-declaration): Document it.
28730         (Wextra): Enabled by -Wextra.
28731         * c-opts.c (c_common_post_options): Enabled by -Wextra.
28732         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
28733         -Wold-style-declaration.
28734
28735 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28736
28737         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28738         * cfgbuild.c (find_basic_blocks): Likewise.
28739         * cfgrtl.c (rtl_create_basic_block): Likewise.
28740         * function.c (temp_slots_at_level): Likewise.
28741         * reg-stack.c (stack_regs_mentioned): Likewise.
28742         * regclass.c (allocate_reg_info): Likewise.
28743         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28744         set_bb_for_stmt, move_block_to_fn): Likewise.
28745         * tree-complex.c (tree_lower_complex): Likewise.
28746         * vec.h (VEC_safe_grow_cleared): New.
28747
28748 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
28749
28750         * c-common.c (c_common_nodes_and_builtins): Since variants of
28751         void_type_node get built before it is given a name, we need to
28752         give those variants the name, too.
28753         (complete_array_type): We need to work with the canonical main
28754         type of the array, from which we will build the qualified version.
28755         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
28756         * print-tree.c (print_node): Display canonical type information
28757         for each type.
28758         * stor-layout.c (layout_type): When we don't know the
28759         alignment of a type for which we're building an array, we end up
28760         guessing wrong, so make the type require structural equality.
28761         * tree.c (make_node_stat): When we build a new type, it is its
28762         own canonical type.
28763         (build_type_attribute_qual_variant): When building an attribute
28764         variant, its canonical type is the non-attribute variant. However,
28765         if the attributes are target-dependent and they differ, we need to
28766         use structural equality checks for this type.
28767         (build_qualified_type): A qualified type is not equivalent to its
28768         unqualified variant; set the canonical type appropriately.
28769         (build_distinct_type_copy): When building a distinct type from
28770         another type, the new type is its own canonical type.
28771         (build_variant_type_copy): When building a new type variant, we
28772         assume that it is equivalent to the original type.
28773         (build_pointer_type_for_mode): When building a pointer type, also
28774         build a canonical type pointer.
28775         (build_reference_type_for_mode): When building a reference type,
28776         also build a canonical type reference.
28777         (build_index_type): When we can't hash an index type (e.g.,
28778         because its maximum value is negative), the index type requires
28779         structural equality tests.
28780         (build_array_type): Build the canonical form of an array type.
28781         (build_function_type): Function types require structural equality,
28782         because they contain default arguments, attributes, etc.
28783         (build_method_type_directly): Ditto for method types.
28784         (build_offset_type): Build the canonical offset type.
28785         (build_complex_type): Build the canonical vector type.
28786         (make_vector_type): Build the canonical vector type.
28787         * tree.h (TYPE_CANONICAL): New.
28788         (TYPE_STRUCTURAL_EQUALITY_P): New.
28789         (SET_TYPE_STRUCTURAL_EQUALITY): New.
28790         (struct tree_type): Added "canonical" field.
28791         * params.h (VERIFY_CANONICAL_TYPES): New.
28792         * doc/c-tree.texi (TYPE_CANONICAL): Document.
28793         (TYPE_STRUCTURAL_EQUALITY_P): Document.
28794         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
28795         * doc/invoke.texi (verify-canonical-types): Document --param
28796         parameter for verifying canonical types.
28797
28798 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28799
28800         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
28801         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
28802         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
28803         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
28804         tm_file.
28805         * config/rs6000/e500.h: New.
28806         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
28807         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
28808         Remove.
28809         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
28810         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
28811         TARGET_E500_DOUBLE): Remove.
28812         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
28813         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
28814         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
28815         * config/rs6000/rs6000.c (rs6000_override_options): Use
28816         CHECK_E500_OPTIONS.
28817
28818 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28819
28820         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
28821         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
28822         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
28823         rs6000_emit_cmove): Don't check TARGET_E500.
28824         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
28825         sordered): Don't check TARGET_E500.
28826
28827 2007-01-01  Eric Christopher  <echristo@apple.com>
28828
28829         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
28830         HARD_REGISTER_NUM_P.
28831
28832 2007-01-01  Roger Sayle  <roger@eyesopen.com>
28833
28834         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
28835         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
28836         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
28837         eq/ne Y".
28838
28839 2007-01-01  Mike Stump  <mrs@apple.com>
28840
28841         * configure.ac: Remove support for building with Apple's gcc-3.1.
28842
28843 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28844
28845         PR middle-end/30311
28846         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
28847         REG is a hard register.  Do not modify REG before calling
28848         subreg_nregs.
28849         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
28850         multiple of the size of YMODE for certain lowpart cases.
28851
28852 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28853
28854         PR middle-end/30253
28855         * gimplify (voidify_wrapper_expr): Update for
28856         GIMPLE_MODIFY_STMT.
28857
28858 2007-01-01  Andreas Schwab  <schwab@suse.de>
28859
28860         PR target/29166
28861         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
28862         save of BR0 in extra_spill_size instead of spill_size.
28863         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
28864         area.
28865         (ia64_expand_epilogue): Restore BR0 from its new location.
28866
28867 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28868
28869         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
28870         Use a temporary variable if the left hand side is not a gimple
28871         register.
28872
28873 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28874
28875         * gimplify.c (gimplify_return_expr): Make the temporary variable
28876         for the return expression, a gimple register variable.
28877
28878 2007-01-01  Jan Hubicka  <jh@suse.cz>
28879
28880         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
28881         INSN_LIST.
28882
28883 2007-01-01  Mike Stump  <mrs@apple.com>
28884
28885         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
28886         .literal16.
28887         * config/darwin.c (machopic_select_rtx_section): Use
28888         HAVE_GAS_LITERAL16.
28889         (darwin_mergeable_constant_section): Likewise.
28890         * configure: Regenerate.
28891         * config.in: Regenerate.
28892
28893 2007-01-01  Jan Hubicka  <jh@suse.cz>
28894             Andrew Pinski  <pinskia@gmail.com>
28895
28896         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
28897         before starting IPA passes.