gcc/ChangeLog

   1 2005-11-29  Ben Elliston  <bje@au.ibm.com>
   2
   3         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
   4         Fix typo in comment.
   5
   6 2005-11-29  Ben Elliston  <bje@au.ibm.com>
   7
   8         * Makefile.in (clean-target): Depend on clean-target-libgcc.
   9         (clean-target-libgcc): Import rule from the top-level Makefile.in.
  10
  11 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  12
  13         PR middle-end/20109
  14         PR middle-end/25120
  15         * builtins.c (init_target_chars): New.
  16         (expand_builtin_printf, expand_builtin_fprintf,
  17         expand_builtin_sprintf, fold_builtin_sprintf,
  18         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
  19         fold_builtin_snprintf_chk, fold_builtin_printf,
  20         fold_builtin_fprintf): Check for matching format strings using
  21         the target charset.
  22
  23 2005-11-29  Paul Brook  <paul@codesourcery.com>
  24
  25         * config.gcc: Do not use fixproto on m68k-elf.
  26
  27 2005-11-28  Roger Sayle  <roger@eyesopen.com>
  28
  29         * expmed.c (div_cost): Replace with...
  30         (sdiv_cost, udiv_cost): New.
  31         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
  32         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
  33         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
  34         (expand_divmod): Replace use of div_cost with either sdiv_cost
  35         or udiv_cost depending upon the signedness of the operation.
  36
  37 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
  38
  39         PR libfortran/24991
  40         * config/darwin.c (machopic_indirection_name,
  41         machopic_output_indirection): Follow transparent alias chain.
  42
  43 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
  44
  45         * varasm.c (ultimate_transparent_alias_target): Add comment.
  46
  47 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
  48
  49         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
  50         SET_SRC instead of XEXP where appropriate.
  51
  52 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
  53
  54         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
  55         __builtin_expect.
  56
  57 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
  58
  59         * config/fp-bit.h (LSHIFT): Take shift count parameter.
  60         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
  61         bit at a time.
  62
  63 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
  64
  65         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
  66         secondary_input_reload_class, made static.  Adapt to new
  67         infrastructure.
  68         (secondary_output_reload_class): Delete.
  69         (TARGET_SECONDARY_RELOAD): New macro.
  70         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
  71         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
  72
  73 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
  74
  75         PR c++/21166
  76         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
  77         when its natural alignment is > BITS_PER_UNIT.
  78         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
  79         * c-common.c (handle_packed_attribute): Ignore packing on a field
  80         whose type is naturally char aligned.
  81
  82 2005-11-28  Richard Guenther  <rguenther@suse.de>
  83
  84         * c-common.c (strict_aliasing_warning): Handle all
  85         component-ref like accesses.
  86
  87 2005-11-28  Roger Sayle  <roger@eyesopen.com>
  88             Uros Bizjak  <uros@kss-loka.si>
  89
  90         PR middle-end/20219
  91         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
  92         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
  93         when flag_unsafe_math_optimizations is set and
  94         we don't care about NaNs or Infinities.
  95
  96         Move x/expN(y) and x/pow(y,z) transformation into common
  97         flag_unsafe_math_optimizations section.
  98
  99 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
 100
 101         * gcc.c (main): Change type of argv to "char **".
 102
 103 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
 104
 105         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
 106         small data sections.
 107         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
 108         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
 109         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
 110         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
 111         output locals to sbss if !rs6000_elf_in_small_data_p.
 112         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
 113
 114 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
 115
 116         PR target/24997
 117         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
 118         generated by reload.
 119         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
 120         indexed_or_indirect_address.
 121         (indexed_or_indirect_address): Don't test for base reg.  Call
 122         address_operand last.  Make it a special predicate.
 123
 124 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
 125
 126         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
 127
 128 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
 129
 130         PR middle-end/24575
 131         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
 132         is undefined.
 133         (negate_expr): Likewise.
 134
 135 2005-11-27  Andreas Schwab  <schwab@suse.de>
 136
 137         * config/m68k/m68k.c: Reindent and fix whitespace, remove
 138         redundant parens.
 139
 140 2005-11-27  Steven Bosscher  <stevenb@suse.de>
 141
 142         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
 143         has EH predecessor edges.
 144
 145 2005-11-26  Eric Christopher  <echristo@apple.com>
 146
 147         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
 148         register stalls by zero extending to the full register.
 149
 150 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
 151
 152         * config/floatunsisf.c, config/floatunsidf.c,
 153         config/floatunsixf.c, config/floatunsitf.c: New files.
 154         * config/ia64/t-hpux: Add floatunsitf.c.
 155         * config/ia64/ia64.c (ia64_init_libfuncs): Use
 156         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
 157
 158 2005-11-26  Richard Henderson  <rth@redhat.com>
 159
 160         * c-lex.c (pragma_lex): Rename from c_lex.
 161         * c-pch.c: Update for pragma_lex rename.
 162         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
 163         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
 164         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
 165         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
 166         * doc/tm.texi: Likewise.
 167
 168 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
 169
 170         PR middle-end/23669
 171         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
 172         when overflow is undefined.
 173
 174 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
 175
 176         * doc/md.texi (Insn Canonicalizations): Refer to the
 177         function commutative_operand_precedence for further rules.
 178
 179 2005-11-25  Roger Sayle  <roger@eyesopen.com>
 180
 181         PR middle-end/21309
 182         * expmed.c (choose_mult_variant): Return immediately when mult_cost
 183         is less than zero.  Limit mult_cost to a reasonable upper bound for
 184         the synthetic multiplication sequence.
 185
 186 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 187
 188         PR middle-end/25022
 189         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
 190         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
 191         Lookup the explicit replacement functions for any unlocked
 192         stdio builtin transformations.
 193
 194 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
 195
 196         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
 197         earlyclobber.
 198         * targhooks.c (default_secondary_reload): Don't require operand 2
 199         for an input reload to be earlyclobber.
 200
 201 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 202
 203         * fold-const.c (negate_mathfn_p): Fix comment and add support
 204         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
 205         BUILT_IN_ATANH.
 206
 207 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
 208
 209         PR middle-end/24998
 210         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
 211         _Q_ulltoq for unsigned conversions from SImode and DImode to
 212         TFmode.
 213
 214 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
 215
 216         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
 217         (__floatundidf, __floatundisf): Likewise.
 218
 219 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
 220
 221         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
 222         (rs6000_override_options): Remove initialization of
 223         rs6000_sr_alias_set.
 224         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
 225         (rs6000_emit_stack_tie): Same.
 226         (emit_frame_save): Same.
 227         (gen_frame_mem_offset): Same.
 228         (rs6000_emit_prologue): Same.
 229         (rs6000_emit_epilogue): Same.
 230
 231 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
 232
 233         PR middle-end/24989
 234         * fold-const.c (fold_build): Convert bool_var != 1 and
 235         bool_var == 0 to !bool_var.
 236
 237 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
 238
 239         PR middle-end/24990
 240         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
 241         for C being INTEGER_CST.  Likewise for !=.
 242
 243 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
 244
 245         PR middle-end/24998
 246         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
 247         unsigned conversions from SImode to TFmode.
 248
 249 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
 250
 251         * expr.c (expand_expr_real_1): Fix error in last change.
 252
 253 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
 254
 255         * caller-save.c: (this_insn_sets): Move into:
 256         (save_call_clobbered_regs).
 257         (mark_set_regs): Get this_insn_sets from data.
 258
 259         (save_call_clobbered_regs): Take sets of the return value by
 260         sibcalls into account.
 261
 262 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
 263         PR target/21623:
 264
 265         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
 266         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
 267         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
 268         (memory_move_secondary_cost, init_reg_autoinc): Remove
 269         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
 270         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
 271         secondary_reload_class call.
 272         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
 273         callers.
 274         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
 275         (push_secondary_reload): Use secondary_reload target hook.
 276         (secondary_reload_class, scratch_reload_class): New functions.
 277         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
 278         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
 279         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
 280         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
 281         (secondary_reload_class, scratch_reload_class): Declare.
 282         * reload1.c: Include target.h.
 283         (reload_adjust_reg_for_temp): New function.
 284         (reload_adjust_reg_for_icode): Likewise.
 285         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
 286         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
 287         call.
 288         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
 289         for inheritance.  Support case when both secondary & tertiary reloads
 290         are for intermediate registers.
 291         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
 292         with secondary_reload_class call.  Support case when both secondary
 293         & tertiary reloads are for intermediate registers.
 294         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
 295         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
 296         * target.h (secondary_reload_info): New struct / typedef.
 297         (struct gcc_target): New member secondary_reload.
 298         * targhooks.c Include reload.h, optabs.h and recog.h.
 299         (default_secondary_reload): New function.
 300         * targhooks.h (default_secondary_reload): Declare.
 301         * doc/tm.texi: Document secondary_reload target hook.  Update
 302         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
 303         * doc/md.texi: Likewise.
 304
 305         * sh-protos.h (sh_secondary_reload): Declare.
 306         * sh.c (TARGET_SECONDARY_RELOAD): Override.
 307         (sh_secondary_reload): New function.
 308         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
 309         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
 310         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
 311         (HAVE_SECONDARY_RELOADS): Define.
 312         * sh.md (reload_indf): Rename to:
 313         (reload_indf__frn).
 314         (reload_outdf): Rename to:
 315         (reload_outdf__RnFRm).
 316         (reload_insf): Rename to:
 317         (reload_insf__frn).
 318         (reload_insi): Rename to:
 319         (reload_insi__i_fpul).
 320
 321 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
 322
 323         * configure.ac: Require at least texinfo 4.4.
 324         * configure: Regenerate.
 325
 326         * doc/install.texi (Tools/packages necessary for building GCC):
 327         Update required version of texinfo to at least 4.4.
 328         (Installing GCC: Building): Update required version of texinfo
 329         to at least 4.4.
 330         (Installing GCC: Final installation): Update required version
 331         of texi2dvi to at least 4.4.
 332         (Host/target specific installation notes for GCC): Update required
 333         version of texinfo to at least 4.4.
 334
 335 2005-11-24  Richard Guenther  <rguenther@suse.de>
 336         Dirk Mueller <dmueller@suse.de>
 337
 338         PR c++/14024
 339         * c-common.h (strict_aliasing_warning): Declare.
 340         * c-common.c (strict_aliasing_warning): New function,
 341         split out from ...
 342         * c-typeck.c (build_c_cast): ... here.
 343
 344 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
 345
 346         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
 347         to order operands.
 348         (swap_commutative_operands_with_target): New.
 349
 350 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
 351
 352         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
 353         also when doing PRE, rather than only for global CPROP.
 354
 355 2005-11-24  Ben Elliston  <bje@au.ibm.com>
 356
 357         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
 358         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
 359         formatting.
 360         (expand_twoval_unop): Likewise.
 361         (widen_clz): Likewise.
 362         (expand_parity): Likewise.
 363         (expand_unop): Likewise.
 364         (emit_cmp_and_jmp_insn_1): Likewise.
 365         (prepare_float_lib_cmp): Likewise.
 366
 367 2005-11-24  Ben Elliston  <bje@au.ibm.com>
 368
 369         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
 370         Remove unused `class' variable.
 371
 372 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 373
 374         PR c++/21667
 375         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
 376         C/C++ diagnostic function warn_array_subscript_with_type_char.
 377         * c-common.h (warn_array_subscript_with_type_char): Declare.
 378         * c-common.c (warn_array_subscript_with_type_char): Define.
 379
 380 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 381
 382         PR c/21668
 383         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
 384         compiling at the intersection of C and C++.
 385
 386 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
 387
 388         * doc/invoke.texi: For man pages, include gcc-vers.texi.
 389         List @file in the option summary.  Include the libiberty
 390         documentation for @file.
 391         * gcc.c (main): Call expandargv.
 392         * Makefile.in (gcc-vers.texi): Define srcdir.
 393
 394 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
 395
 396         * passes.c (init_optimization_passes): Document
 397         sequencing of passes.
 398
 399 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
 400
 401         * config/m68k/predicates.md (pcrel_address, extend_operator,
 402         post_inc_operand, pre_dec_operand): Remove redundant
 403         conditionals.
 404         (const_uint32_operand, const_sint32_operand): Use gcc_assert
 405         instead of abort.
 406         (valid_dbcc_comparison_p): Rewrite in the lisp style.
 407
 408 2005-11-23  Ben Elliston  <bje@au.ibm.com>
 409
 410         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
 411
 412 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
 413
 414         Preparatory work for PR target/21623:
 415         * alpha.c (secondary_reload_class): Rename to:
 416         (alpha_secondary_reload_class).
 417         * alpha.h, alpha-protos.h: Likewise.
 418         * mn10300.c (secondary_reload_class): Rename to:
 419         (mn10300_secondary_reload_class).
 420         * mn10300.h, mn10300-protos.h: Likewise.
 421         * pa.c (secondary_reload_class): Rename to:
 422         (pa_secondary_reload_class).
 423         * pa.h, pa-protos.h: Likewise.
 424         * rs6000.c (secondary_reload_class): Rename to:
 425         rs6000_secondary_reload_class.
 426         * rs6000.h, rs6000-protos.h: Likewise.
 427
 428 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
 429
 430         PR middle-end/22561
 431         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
 432
 433 2005-11-22  Ian Lance Taylor  <ian@airs.com>
 434
 435         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
 436         a mode_class.
 437         (prepare_cmp_insn): Likewise.
 438
 439 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
 440
 441         PR target/23435
 442         * m68k.md (zero_extendsidi2): Force operands[1] to a register
 443         if both operands[0] and operands[1] are memory.
 444
 445 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
 446
 447         PR middle-end/23606
 448         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
 449         COMPARISON_CLASS_P and an integral types create create a new
 450         expression with the new type and fold that.
 451
 452 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
 453
 454         PR target/24988
 455         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
 456         to SUBTARGET_OS_CPP_BUILTINS.
 457
 458 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
 459
 460         * arm.c (emit_set_insn): New function.
 461         (arm_split_constant): Call it.
 462         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
 463         (arm_legitimize_address): Likewise.  Use plus_constant.
 464         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
 465         (thumb_expand_prologue): Likewise.
 466         (arm_gen_load_multiple): Use VOIDmode in SET.
 467         (arm_gen_store_multiple): Likewise.
 468         (vfp_emit_fstmx): Likewise.  Use plus_constant.
 469         (emit_multi_reg_push): Likewise.
 470         (emit_sfm): Use plus_constant.
 471
 472 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
 473
 474         PR target/24954
 475         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
 476         typo last change.
 477
 478 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
 479
 480         PR middle-end/24950
 481         * expmed.c (store_bit_field): Don't attempt to insv a field
 482         larger than the reg.
 483
 484 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
 485
 486         PR target/24954
 487         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
 488         explicit sign extension, not a (char) cast.
 489
 490 2005-11-22  Ben Elliston  <bje@au.ibm.com>
 491
 492         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
 493         GET_MODE_CLASS (x) == MODE_FLOAT.
 494         * config/i386/i386.c: Likewise.
 495         * config/rs6000/xcoff.h: Likewise.
 496         * config/rs6000/linux64.h: Likewise.
 497         * config/rs6000/rs6000.c: Likewise.
 498         * config/rs6000/rs6000.h: Likewise.
 499         * config/rs6000/predicates.md: Likewise.
 500         * config/rs6000/sysv4.h: Likewise.
 501
 502 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 503
 504         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
 505         flag_pic is set.
 506
 507         * config/alpha/freebsd.h, config/alpha/linux.h,
 508         config/arm/linux-elf.h, config/bfin/bfin.h,
 509         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
 510         config/i386/beos-elf.h, config/i386/gnu.h,
 511         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
 512         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
 513         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
 514         config/rs6000/linux64.h, config/rs6000/sysv4.h,
 515         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
 516         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
 517         config/sparc/linux.h, config/sparc/linux64.h,
 518         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
 519
 520         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
 521         are both defined when either flag -fpic or -fPIC are used.
 522
 523 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
 524
 525         * config/fp-bit.c (clzusi): New function.
 526         (si_to_float, usi_to_float): Use it to compute proper shift.
 527         (usi_to_float): Preserve guard bits when shifting right.
 528         * libgcc-std.ver (GCC_4.2.0): New version.
 529         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
 530         __floatundisf): New functions.
 531         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
 532         __floatundisf): Declare.
 533         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
 534         _floatundixf, and _floatunditf.
 535         * optabs.c (expand_float): If target does not define a pattern for
 536         signed or unsigned conversion, use an unsigned libcall instead of
 537         a signed one.
 538         (init_optabs): Initialize ufloat_optab.
 539
 540 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
 541
 542         * config/rs6000/rs6000.opt (mmulhw): New option.
 543         * doc/invoke.texi (-mmulhw): Document.
 544         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
 545         for 405 and 440.
 546         * config/rs6000/rs6000.md: Add half-word multiply and
 547         multiply-accumulate instructions for 405 and 440.
 548
 549 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
 550
 551         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
 552         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
 553         default now includes a linker group which makes the RTEMS one nest.
 554
 555 2005-11-22  Ben Elliston  <bje@au.ibm.com>
 556
 557         * cse.c (fold_rtx): Typo fix.
 558         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
 559
 560 2005-11-21  Richard Henderson  <rth@redhat.com>
 561
 562         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
 563         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
 564
 565         * c-tree.h (lookup_name): Move declaration ...
 566         * c-common.h (lookup_name): ... here.
 567         * config/darwin-c.c: Include c-common.h.
 568         * config/t-darwin: Update dependencies.
 569
 570 2005-11-22  Ben Elliston  <bje@au.ibm.com>
 571
 572         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
 573         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
 574         * genopinit.c (gen_insn): Likewise.
 575         * reload.c (find_equiv_reg): Likewise.
 576         * loop.c (load_mems): Likewise.
 577         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
 578         * cse.c (find_comparison_args, fold_rtx): Likewise.
 579         * dwarf2out.c (add_const_value_attribute): Likewise.
 580         * expr.c (convert_move): Likewise.
 581         * recog.c (general_operand, register_operand): Likewise.
 582         * reg-stack.c (replace_reg): Likewise.
 583         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
 584         * c-common.c (handle_vector_size_attribute): Likewise.
 585         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
 586         (simplify_binary_operation_1): Likewise.
 587         (simplify_const_binary_operation): Likewise.
 588         (simplify_relational_operation): Likewise.
 589         (simplify_const_relational_operation): Likewise.
 590         (simplify_immed_subreg): Likewise.
 591         * emit-rtl.c (gen_lowpart_common): Likewise.
 592         * expmed.c (expand_mult): Likewise.
 593         * stor-layout.c (layout_type): Likewise.
 594
 595 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
 596
 597         PR target/24951
 598         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
 599         cst2 only for SPE vectors.
 600
 601 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
 602
 603         PR target/24953
 604         * config/rs6000/predicates.md (vrsave_operation): Check
 605         UNSPEC_VOLATILE value.
 606
 607 2005-11-21  Jan Hubicka  <jh@suse.cz>
 608
 609         PR tree-optimization/24653
 610         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
 611
 612 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
 613
 614         * config/i386/predicates.md (ax_reg_operand): New predicate.
 615         (memory_displacement_only_operand): New predicate.
 616         * config/i386/i386.md ("modrm" attribute): Return 0 if one
 617         operand is AX register and the other operand is memory operand
 618         with displacement only.
 619
 620 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
 621
 622         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
 623         if we don't care about NaNs or Infinities.
 624
 625 2005-11-20  Ian Lance Taylor  <ian@airs.com>
 626
 627         PR rtl-optimization/24883
 628         * combine.c (combinable_i3pat): When checking whether the
 629         destination of i3 is used in i3, consider paradoxical subregs.
 630
 631 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
 632
 633         PR middle-end/20583
 634         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
 635
 636 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
 637
 638         * combine.c (try_combine): Do not run subst on i1src and i2src in
 639         the case of generating a PARALLEL for a comparison.
 640
 641 2005-11-20  Richard Henderson  <rth@redhat.com>
 642
 643         PR 24931
 644         * tree-sra.c (struct sra_elt): Add all_no_warning.
 645         (struct sra_walk_fns) <use>: Add use_all argument.
 646         (sra_walk_expr): Pass it.
 647         (sra_walk_modify_expr): Likewise.
 648         (scalarize_ldst): Likewise.
 649         (scan_use): Update for new argument.
 650         (mark_no_warning): New.
 651         (scalarize_use): Use it.
 652
 653 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
 654
 655         * expr.c (expand_expr_real): Use usmul_optab for widening
 656         signed * unsigned multiplies.
 657         * genopinit.c (optabs): Add usmul_widen_optab.
 658         * optabs.c (init_optabs): Likewise.
 659         * optabs.h (enum optab_index): Add OTI_usmul_widen.
 660         (usmul_widen_optab): Define.
 661         * config/bfin/bfin.md (usmulhisi3): New pattern.
 662
 663         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
 664
 665 2005-11-20  Graham Stott <btinternet.com>
 666
 667         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
 668
 669 2005-11-20  Andreas Schwab  <schwab@suse.de>
 670
 671         PR target/24757
 672         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
 673         insn.
 674
 675 2005-11-19  Richard Henderson  <rth@redhat.com>
 676
 677         PR tree-opt/24665
 678         * tree-gimple.c (is_gimple_id): Export.
 679         * tree-gimple.h (is_gimple_id): Declare.
 680         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
 681         (get_default_value): Use it.
 682         (maybe_fold_stmt_indirect): Likewise.
 683
 684 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
 685
 686         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
 687         than VR1 or vice-versa.
 688
 689 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
 690
 691         PR middle-end/24912
 692         PR middle-end/24750
 693         * reload.c (find_reloads_address_1): Mention dependency on
 694         gen_reload.
 695         * reload1.c (gen_reload): For IN with an unary operation, try
 696         moving inner expression to OUT if trivial SET is not valid.
 697         Confirm that the result is valid.  Move common code block into...
 698         (emit_insn_if_valid_for_reload): New function.
 699
 700 2005-11-19  Richard Guenther  <rguenther@suse.de>
 701
 702         * fold-const.c (fold_indirect_ref_1): Make sure we fold
 703         ARRAY_REFs of constant strings.
 704
 705 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
 706
 707         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
 708         fatal format string.
 709
 710 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
 711
 712         * combine.c (make_compound_operation): Swap operands of
 713         commutative operation if necessary before returning.
 714
 715 2005-11-19  Richard Guenther  <rguenther@suse.de>
 716
 717         PR middle-end/23294
 718         * fold-const.c (fold_plusminus_mult_expr): New function.
 719         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
 720         cases, remove now unnecessary code.
 721
 722 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
 723
 724         * gensupport.c (old_preds): Rename to std_preds, add special field.
 725         (struct old_pred_table): Rename to struct std_pred_table, add special
 726         field.
 727         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
 728         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
 729         (init_predicate_table): Adjust, and set along the way whether a
 730         predicate is special.
 731
 732 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
 733
 734         * BASE-VER: Change to 4.2.0.
 735
 736 2005-11-18  James E Wilson  <wilson@specifix.com>
 737
 738         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
 739         returning it.
 740
 741 2005-11-18  Mike Stump  <mrs@apple.com>
 742
 743         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
 744         * config/darwin-c.c (darwin_pragma_unused): Likewise.
 745         * c-decl.c (lookup_name_two) Remove.
 746         * c-tree.h (lookup_name_two): Remove.
 747         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
 748         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
 749         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
 750         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
 751
 752 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
 753
 754         PR target/24914
 755         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
 756         when not generating code to use that co-processor.
 757
 758 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
 759
 760         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
 761         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
 762         these functions are now in tree-phinodes.c.
 763
 764 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
 765
 766         * config/bfin/bfin.md (trap): New pattern.
 767
 768 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 769
 770         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
 771         on types.
 772
 773         * expr.c (expand_expr_real): Don't call record_block_change unless
 774         ib_boundaries_block is non-null
 775
 776         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
 777
 778         * fold-const.c (build_range_check): Use proper type for subtraction
 779         when merging lower bound.
 780
 781 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
 782
 783         PR rtl-optimization/24497
 784         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
 785         the copied insn.
 786
 787 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
 788
 789         * tree-scalar-evolution.c (expression_expensive_p): New function.
 790         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
 791
 792 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
 793
 794         * config/bfin/crtlibid.s: New file.
 795
 796 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 797
 798         PR target/24348
 799         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
 800         when not using sjlj exceptions.
 801         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
 802         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
 803         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
 804         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
 805         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
 806         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
 807         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
 808         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
 809         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
 810         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
 811         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
 812         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
 813         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
 814         defines.
 815         * config/pa/hpux-unwind.h: New file.
 816
 817 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
 818
 819         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
 820         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
 821         * varasm.c (do_assemble_alias): Adjust call.
 822         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
 823         is defined.
 824         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
 825
 826 2005-11-17  James E Wilson  <wilson@specifix.com>
 827
 828         * tree.def (FUNCTION_DECL): Correct typo in comment.
 829
 830 2005-11-17  Richard Henderson  <rth@redhat.com>
 831
 832         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
 833         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
 834         and DW_CFA_def_cfa_sf.
 835         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
 836         (dbx_reg_number): Don't assert particular registers here.
 837         (based_loc_descr): ... do it here instead.  Fold in ...
 838         (eliminate_reg_to_offset): ... this function.
 839         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
 840         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
 841         * unwind-dw2.c (execute_cfa_program): Apply data align factor
 842         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
 843         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
 844         (instantiate_virtual_regs): Likewise.
 845         * var-tracking.c (adjust_stack_reference): Likewise.
 846         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
 847
 848 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
 849
 850         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
 851         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
 852         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
 853         crtlibid.o.
 854         ($(T)crtlibid.o): New rule.
 855
 856 2005-11-16  Richard Guenther  <rguenther@suse.de>
 857
 858         PR middle-end/24851
 859         * fold-const.c (extract_array_ref): Return byte offset
 860         in all cases.
 861         (fold_binary): Fold &x[a] CMP &x[b] to
 862         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
 863         behavior.
 864
 865 2005-11-16  Richard Henderson  <rth@redhat.com>
 866
 867         PR middle-end/23497
 868         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
 869         parts of an SSA_NAME.
 870
 871 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
 872
 873         PR target/24861
 874         * arm.md (split for movsf with immediate): Restrict split to insns
 875         that set a general register.
 876
 877 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
 878
 879         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
 880         uw_update_context.
 881         * unwind-dw2.c (uw_advance_context): Likewise.
 882         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
 883         _Unwind_SjLj_Unregister.
 884         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
 885
 886 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
 887
 888         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
 889
 890 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
 891
 892         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
 893         langhook to get a DImode integer type.
 894
 895 2005-11-16  Richard Henderson  <rth@redhat.com>
 896             J"orn Rennecke <joern.rennecke@st.com>
 897             Ulrich Weigand  <uweigand@de.ibm.com>
 898
 899         PR rtl-opt/24160
 900         PR target/24621
 901         * reload1.c (reg_equiv_invariant): New.
 902         (reload): Allocate, initialize, and free it.
 903         (calculate_needs_all_insns): Check it when skipping equivalence
 904         setting insns.
 905         (alter_reg): Likewise.
 906         (eliminate_regs_1): Rename from eliminate_regs.  Add new
 907         may_use_invariant argument; only use reg_equiv_invariant when true.
 908         (eliminate_regs): New.
 909         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
 910         a context for which may_use_invariant may be true.
 911
 912 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
 913
 914         * fold-const.c (const_binop): Don't constant fold the operation
 915         if the result has overflowed and flag_trapping_math.
 916         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
 917
 918 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
 919
 920         * config/arm/unwind-arm.c (abort): Add prototype here.
 921         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
 922         (struct phase1_vrs): Add prev_sp.
 923         (unwind_phase2_forced): Save the original core registers instead of
 924         modifying entry_vrs.  Take a new flag argument for resuming unwinding
 925         and set action flags accordingly.  Always set _US_END_OF_STACK when
 926         get_eit_entry fails.  Unwind before calling the stop function.
 927         (_Unwind_GetCFA): New function.
 928         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
 929         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
 930         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
 931         just call unwind_phase2_forced.
 932         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
 933         * config/arm/unwind-arm.h (abort): Remove prototype.
 934         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
 935         prototypes.
 936         (_Unwind_GetCFA): New prototype.
 937         * config/arm/pr-support.c (abort): Add prototype here.
 938         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
 939         forced unwinding.
 940         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
 941         not schedule the prologue with non-call exceptions and EABI.
 942
 943 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
 944
 945         * config/arm/unwind-arm.h: Reorder interface function declarations.
 946         (_URC_END_OF_STACK): New enumeration value.
 947         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
 948         (struct _Unwind_Control_Block): Document reserved field use.
 949         (_Unwind_Stop_Fn): New typedef.
 950         (_Unwind_ForcedUnwind): Declare.
 951         (_Unwind_Resume_or_Rethrow): Declare.
 952         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
 953         argument.  Adjust.
 954         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
 955         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
 956         (UCB_FORCED_STOP_ARG): New.
 957         (search_EIT_table): Update boundary condition checks.
 958         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
 959         (unwind_phase2): Replace for with do..while.
 960         (unwind_phase2_forced): New.
 961         (__gnu_Unwind_RaiseException): Replace for with do..while.
 962         (__gnu_Unwind_ForcedUnwind): New.
 963         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
 964         Use appropriate phase2 unwinder.
 965         (__gnu_Unwind_Resume_or_Rethrow): New.
 966         (__gnu_unwind_pr_common): Cope with forced unwinding.
 967
 968 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
 969
 970         PR target/24772
 971         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
 972
 973         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
 974         roundsf2): Remove "s" from mnemonic.
 975
 976 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
 977
 978         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
 979         __PIC__ is defined.
 980         * config/bfin/crtn.s: Change epilogues to match.
 981         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
 982         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
 983         __PIC__ and __pic__.
 984
 985 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 986
 987         PR 24357
 988         * doc/invoke.texi: Distinguish between free and fixed form instead of
 989         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
 990         languages.
 991         * gcc.c (default_compilers): Remove double entries, add entries for
 992         suffixes '.F90' and '.F95'.
 993
 994 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
 995
 996         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
 997         in the stack probing loop.
 998
 999 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
1000
1001         * configure.ac: Use .machine power5 not power5x.
1002         * configure: Regenerate.
1003
1004 2005-11-15  Mike Stump  <mrs@apple.com>
1005
1006         * c-decl.c (lookup_name_two): Add.
1007         * c-tree.h (lookup_name_two): Likewise.
1008         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1009         * config/darwin-c.c (darwin_pragma_unused): Likewise.
1010
1011 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
1012
1013         PR rtl-optimization/23392
1014         * regrename.c (enum scan_actions) Add mark_access.
1015         (scan_actions_name): Ditto.
1016         (scan_rtx_reg): Handle mark_access.
1017         (scan_rtx_address): Do nothing for mark_access.
1018         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1019         and regs in REG_INC notes before closing chains for dead regs.
1020         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1021         opening chains for new writes.
1022
1023 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
1024
1025         * c.opt (ffixed-line-length-none): New.
1026
1027 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
1028
1029         * mklibgcc.in: Change contents of eh_dummy.c.
1030
1031 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
1032
1033         * loop.c (scan_loop): Do not insert temporaries for hard registers.
1034
1035 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
1036
1037         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1038         of making syscalls.
1039         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
1040
1041 2005-11-15  Jan Hubicka  <jh@suse.cz>
1042
1043         * invoke.texi (large-unit-insns): Document.
1044         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1045         * params.def (large-unit-insns): New param.
1046
1047 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
1048
1049         PR target/24869
1050         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1051         special register for operand 3.  Reindent constraints to align
1052         them vertically.
1053
1054 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
1055
1056         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1057         -mpopcntb, -mfprnd. Add -mcpu=power5+.
1058         * configure.ac: Add test for FP rounding instructions.
1059         * configure: Regenerate.
1060         * config.in: Regenerate.
1061         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1062         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1063         features enabled.
1064         * config/rs6000/rs6000.opt (mfprnd): New.
1065         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1066         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1067         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1068         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1069         (TARGET_FPRND): New.
1070         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1071         UNSPEC_FRIZ): New.
1072         (btrunc<mode>2): New.
1073         (ceil<mode>2): New.
1074         (floor<mode>2): New.
1075         (round<mode>2): New.
1076
1077 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
1078
1079         * gcc.c (version_compare_spec_function): Use fatal() rather than
1080         abort().
1081
1082         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1083         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1084         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1085         as empty.
1086         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1087         link in crt2.o.
1088
1089         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1090         on -mmacosx-version-min setting.
1091
1092 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
1093
1094         PR 24840
1095         * tree-vrp.c (infer_value_range): Return false if STMT is a
1096         block terminator and its basic block has no successors.
1097
1098 2005-11-14  Mike Stump  <mrs@apple.com>
1099
1100         * config/i386/i386.c (override_options): -masm=intel isn't
1101         supported on darwin.
1102         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1103
1104 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
1105
1106         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1107         vfork after including auto-host.h.
1108
1109 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
1110
1111         PR rtl-optimization/22002
1112         * combine.c (distribute_notes): Detect cases where a reg dies
1113         two or more times in a bb, including on the insn we are combining,
1114         and place the death note on the correct range.
1115
1116 2005-11-14  Dale Johannesen  <dalej@apple.com>
1117
1118         * expmed.c (store_bit_field):  Add offset unconditionally for
1119         memory targets.
1120         (extract_bit_field):  Don't force extzv or extv operand into
1121         a register if field is too big.
1122
1123 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1124
1125         * config/arm/arm.c (pic_labelno): New.
1126         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1127         LABEL_REF.  Pass only the labelno to PIC insns.
1128         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1129         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1130         * arm.md (UNSPEC_PIC_LABEL): New constant.
1131         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1132         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1133         Use the correct label prefix.
1134
1135 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1136
1137         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1138         REQ_EQUIV note.
1139
1140 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
1141
1142         * loop-invariant.c: Include tm_p.h.
1143         * Makefile.in: Updated.
1144
1145 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1146
1147         * pa.c (store_reg): Revise generation of frame notes in large frames.
1148         (set_reg_plus_d): Likewise.
1149
1150 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
1151
1152         PR tree-optimization/24709
1153         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1154         loop check.
1155
1156 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1157
1158         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1159         and duplicate declaration of pthread_self.
1160
1161 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
1162             Ian Lance Taylor  <ian@airs.com>
1163
1164         PR middle-end/24003
1165         * calls.c (expand_call): If TARGET is a MEM and some part of the
1166         argument area has been saved, force TARGET to a register.
1167
1168 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
1169
1170         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1171         checking.
1172
1173 2005-11-13  Jason Merrill  <jason@redhat.com>
1174
1175         PR c++/22489
1176         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1177         lazily declared methods.
1178         (force_decl_die): Stop if forcing out the context already make a
1179         DIE for the decl.
1180         (force_type_die): Likewise.
1181
1182 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
1183
1184         PR middle-end/24820
1185         * builtins.c (integer_valued_real_p): Add break in
1186         REAL_CST having TREE_OVERFLOW set.
1187
1188 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
1189
1190         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1191         addressing modes during calculation of costs.
1192
1193 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
1194
1195         * function.c (assign_stack_local_1): Restrict sanity check
1196         on frame size overflow to 32-bit and above platforms.
1197
1198 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1199
1200         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1201         * config/cris/cris.c: Include reload.h.
1202         (cris_initial_elimination_offset): New function.
1203         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1204         Prototype.
1205
1206 2005-11-12  Richard Guenther  <rguenther@suse.de>
1207
1208         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1209
1210 2005-11-12  Jan Hubicka  <jh@suse.cz>
1211
1212         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1213         to compare against 0 when possible.
1214
1215 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
1216
1217         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1218         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1219         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1220         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1221         in the new order.
1222
1223 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1224
1225         * recog.c (constrain_operands) <case 'g'>: For a match, require
1226         that a non-register matches general_operand when strict >= 0.
1227
1228 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1229
1230         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1231         previous checkin.
1232
1233 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1234
1235         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1236         (memory_address_same): New.
1237         (dse_optimize_stmt): Call memory_address_same.
1238
1239 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1240
1241         PR middle-end/24750
1242         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1243         ZERO_EXTEND>: New cases.
1244
1245 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1246
1247         * longlong.h (__clz_tab): Always provide.
1248
1249 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1250
1251         PR 24265
1252         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1253         can be assigned to.
1254         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1255         before check_maybe_invariant.
1256         (move_invariant_reg): Use gen_move_insn instead of replacing
1257         SET_DEST with the temporary for the invariant.
1258         (move_loop_invariants): If checking is enabled, do internal
1259         consistency checks after completing the pass.
1260
1261 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
1262
1263         PR 24644
1264         * common.opt (Wvolatile-register-var): New.
1265         * varasm.c (make_decl_rtl): Only emit warning when option
1266         specified.  Clarify warning message.
1267         * doc/invoke.texi (Wvolatile-register-var): Document new option.
1268
1269         * doc/md.texi (copysign): Document standard named pattern.
1270
1271 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
1272
1273         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1274         bytes when align is 2.
1275         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1276         by the first instruction of the loop.
1277
1278 2005-11-11  Jason Merrill  <jason@redhat.com>
1279
1280         PR c++/24686
1281         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1282         the cleanup list.
1283
1284 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
1285
1286         PR rtl-optimization/22509
1287         * local-alloc.c (memref_used_between_p): Check whether a function call
1288         could not reference the memref.
1289
1290 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
1291
1292         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1293         algorithm so as to choose the best, not the worst, alternative.
1294         Reset accumulated register class before processing next alternative.
1295
1296 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1297
1298         PR target/24445
1299         * calls.c (expand_call): Copy a return value to a plain register
1300         if needed.
1301
1302 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
1303
1304         PR target/24778
1305         * varasm.c (assemble_name): Recompute name only for transparent
1306         aliases.
1307
1308 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
1309
1310         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1311
1312 2005-11-04  Jeff Law  <law@redhat.com>
1313
1314         PR middle-end/23181
1315         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1316         perform reassociation if the parent statement will not die as
1317         a result of the optimization.
1318
1319 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
1320
1321         * tree-ssa-alias.c (compute_may_aliases): Remove call to
1322         delete_old_heap_vars.
1323         * tree-dfa.c (referenced_var_remove): Remove function.
1324         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1325         (delete_tree_ssa): Remove call to delete_old_heapvars.
1326         Add call to delete_alias_heapvars.
1327         * tree-flow.h (referenced_var_remove): Remove prototype
1328         (init_alias_heapvars): New prototype.
1329         (delete_alias_heapvars): Ditto.
1330         * Makefile.in (tree-ssa-structalias.o): Add
1331         gt-tree-ssa-structalias.o
1332         (GTFILES): Add tree-ssa-structalias.h and
1333         tree-ssa-structalias.c.
1334         (s-gtype): Add gt-tree-ssa-structalias.h.
1335         * tree-ssa-structalias.c (heapvars): Remove.
1336         (oldheapvars): Remove.
1337         (heapvar_for_stmt): New variable.
1338         (heapvar_lookup): New function.
1339         (heapvar_insert): Ditto.
1340         (get_constraint_for): See if we have an old heapvar
1341         to reuse.
1342         (init_alias_heapvars): New function.
1343         (delete_alias_heapvars): Ditto.
1344         Add include of gt-tree-ssa-structalias.h.
1345
1346 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1347
1348         PR middle-end/22127
1349         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1350
1351 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1352
1353         * tree.c (int_fits_type_p): Only look at the base type
1354         if it has the same precision as the original type.
1355
1356 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
1357
1358         PR other/4372
1359         * varasm.c (assemble_alias): Use %q+D in the error
1360         message instead of %J and %qD.
1361
1362 2005-11-10  Richard Guenther  <rguenther@suse.de>
1363
1364         * gcse.c (free_ldst_entry): Only free hashtable if
1365         it exists.
1366
1367 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1368
1369         * function.c (assign_stack_local_1): Issue an error message if
1370         the frame size overflows in the signed target arithmetics.
1371
1372 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1373
1374         * tree.c (build_qualified_type): Chain the new type to the original
1375         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1376         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1377         (build_pointer_type_for_mode): Only return unqualified types.
1378         (build_reference_type_for_mode): Likewise.
1379
1380 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
1381
1382         * Makefile.in (gnucompare): Do comparison of all files using one of
1383         the chosen methods and only afterwards decide if just warning should
1384         be issued or comparison failure raised.
1385
1386 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1387
1388         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1389         (noce_try_abs): Negate if the comparison is reversed.
1390         Look only one instruction backwards for a REG_EQUAL note.
1391
1392 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1393
1394         PR other/4372
1395         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1396         gthr-tpf.h: Define __gthrw.  For all identifiers that might
1397         be weak, introduce weakrefs or non-weak aliases with __gthrw,
1398         and prefix all uses with __ghtrw.
1399
1400 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1401
1402         PR other/4372
1403         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1404         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
1405         * c-common.c (handle_weakref_attribute): New.
1406         (c_common_attribute_table): Add weakref.
1407         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1408         in the assembler.
1409         * configure, config.in: Rebuilt.
1410         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1411         * doc/extend.texi: Document weakref attribute.
1412         * varasm.c (ultimate_transparent_alias_target): New
1413         (assemble_name): Use it.
1414         (weak_finish_1): Split out of...
1415         (weak_finish): ... and deal with weakrefs in...
1416         (weakref_targets): ... new list.
1417         (globalize_decl): Clean up weakref_targets.
1418         (do_assemble_alias): Handle weakrefs.
1419         (finish_aliases_1): Do not reject weakrefs to external symbols.
1420         (assemble_alias): Handle weakrefs.
1421
1422 2005-11-09  Richard Guenther  <rguenther@suse.de>
1423
1424         PR tree-optimization/24716
1425         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1426         t_bool to track results from follow_ssa_edge.
1427
1428 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1429
1430         * final.c (force_source_line): New global variable.
1431         (final_scan_insn): Set it to true instead of clearing last_filename.
1432         (notice_source_line): Return true if force_source_line is true,
1433         unless source info is absent.
1434
1435 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
1436
1437         PR c/24644
1438         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1439         a linkage name for a variable if it a register variable.
1440         * c-decl.c (grokdeclarator): Global register variables
1441         should be set as PUBLIC.
1442
1443 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1444
1445         PR 24624
1446         * config/s390/s390.c (struct s390_frame_layout): New fields
1447         first_save_gpr_slot and last_save_gpr_slot.
1448         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1449         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1450         first_save_gpr and last_save_gpr with the _slot variants.
1451         (s390_register_info): Calculate first_save_gpr_slot and
1452         last_save_gpr_slot using regs_ever_live.
1453
1454 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1455
1456         PR 24623
1457         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1458         for a function containing a landing pad.
1459
1460 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1461
1462         PR 24034
1463         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1464         is live afterwards.
1465
1466 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
1467
1468         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1469         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1470
1471 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
1472
1473         Add ms2 support
1474         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1475         constants.
1476         (call,load,store): New insn types.
1477         (mem_access, branch_access): Adjust reservation conditions.
1478         (define_delay): Adjust condition.
1479         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
1480         type.
1481         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1482         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1483         insn type.
1484         (call_internal, call_value_internal, return_internal,
1485         return_interrupt_internal, eh_return_internal, indirect_jump,
1486         tablejump): Set call insn type.
1487         (blockage, ei, di): Use appropriate unspec const.
1488         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1489         (ms1_get_attr_type): Adjust to give load & store types.
1490         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
1491         backwards past a barrier.
1492         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
1493         branch scheduling.
1494         (struct branch_info, struct label_info): New.
1495         (ms1_labels): New.
1496         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1497         (ms1_machine_reorg): New.
1498         (TARGET_MACHINE_DEPENDENT_REORG): Override.
1499         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1500         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1501         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1502         (TARGET_MS2): New.
1503
1504 2005-11-09  Per Bothner  <per@bothner.com>
1505             Uros Bizjak  <uros@kss-loka.si>
1506
1507         PR c/24101
1508         * toplev.c (process_options): Initialize debug_hooks early
1509         in case lang_hooks.post_options ends up calling a debug_hook.
1510
1511 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
1512
1513         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1514         DBX_REGISTER_NUMBER being contiguous.
1515
1516 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
1517             Diego Novillo  <dnovillo@redhat.com>
1518
1519         PR 23046
1520         * tree-vrp.c (register_edge_assert_for): Do not register
1521         always-false predicates.
1522
1523 2005-11-08  Devang Patel <dpatel@apple.com>
1524
1525         PR tree-optimization/23115
1526         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1527         relation.
1528
1529 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
1530
1531         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1532         -mcpu=440.
1533
1534 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
1535
1536         Fix PR tree-optimization/23382
1537
1538         * tree-ssa-alias.c (compute_may_aliases): Call
1539         delete_old_heap_vars.
1540         * tree-dfa.c (referenced_var_remove): New function.
1541         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1542         * tree-flow.h (referenced_var_remove): Add prototype.
1543         (delete_old_heap_vars): Ditto.
1544         * tree-ssa-structalias.c (heapvars): New variable.
1545         (oldheapvars): Ditto.
1546         (get_constraint_for): Put heap vars on heapvars list.
1547         (delete_old_heap_vars): New function.
1548
1549 2005-11-08  Jason Merrill  <jason@redhat.com>
1550
1551         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1552
1553 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
1554
1555         PR target/19340
1556         * reg-stack.c (reg_to_stack): Update register liveness also
1557         for flag_sched2_use_traces.
1558
1559 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
1560
1561         PR target/23704
1562         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1563         override prior explicit -mno-powerpc-gfxopt.
1564
1565 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
1566
1567         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1568         if the bitsize is zero.
1569         * doc/md.texi (Standard Pattern Names): Document it.
1570
1571         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1572         (TARGET_PASS_BY_REFERENCE): Likewise.
1573
1574 2005-11-07  Ian Lance Taylor  <ian@airs.com>
1575
1576         PR rtl-optimization/24683
1577         * config/i386/i386.c (legitimize_pic_address): If constant operand
1578         to PLUS is too large, put it in a register.
1579
1580 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
1581
1582         * configure.ac: Enable checking assembler dwarf2 support for bfin
1583         target.
1584         * configure: Regenerate.
1585
1586 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1587
1588         PR target/24230
1589
1590         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1591         gen_easy_vector_constant_add_self): Delete.
1592         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1593         New.
1594         (output_vec_const_move): Use gen_easy_altivec_constant.
1595         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1596         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1597         (easy_vector_constant_add_self): Rewritten.
1598         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1599         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1600         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1601         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1602         Macroize and adjust for the other changes.
1603
1604 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1605
1606         PR c/24599
1607
1608         * c-typeck.c (build_c_cast): Try using a shared constant, and see
1609         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1610
1611 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
1612
1613         PR rtl-optimization/23567
1614         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1615         (noce_process_if_block): Don't do any optimizations except
1616         if (cond) x = x; if !set_b and write into orig_x may trap
1617         or fault.  Remove the MEM_READONLY_P check.
1618
1619 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
1620
1621         PR 24670
1622         * tree-vrp.c (fix_equivalence_set): New.
1623         (extract_range_from_assert): Call it.
1624
1625 2005-11-05  Ian Lance Taylor  <ian@airs.com>
1626
1627         PR target/22432
1628         * combine.c (apply_distributive_law): Don't distribute across a
1629         vector mode subreg.
1630
1631 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
1632
1633         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1634         config/ms1/ms1.h, config/rs6000/predicates.md,
1635         config/s390/s390.c, params.def, postreload-gcse.c,
1636         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1637         tree-vrp.c, tree.c: Fix comment typos.
1638         * doc/invoke.texi: Fix typos.
1639
1640 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
1641
1642         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1643         for testing whether the data_dependence_relation contains distance
1644         vectors.  Iterate over all distance vectors of the ddr.
1645         * lambda.h: Define a vec of lambda_vector pointers.
1646         * tree-data-ref.c (dump_data_dependence_relation,
1647         dump_data_dependence_direction): Iterate over all distance and
1648         direction vectors of the ddr.
1649         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1650         DDR_DIST_VECTS.
1651         (build_classic_dist_vector, build_classic_dir_vector): Push a set
1652         of distance/direction vectors instead of a single one.
1653         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1654         lambda_vectors with a vec of lambda_vectors.
1655         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1656         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1657         DDR_NUM_DIST_VECTS): New.
1658         * tree-loop-linear.c (gather_interchange_stats): Test for the
1659         existence of distance vectors only after having checked that there
1660         is a dependence.  Iterate over all distance vectors of the ddr.
1661         (linear_transform_loops): Use dump_data_dependence_relation.
1662         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1663         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
1664         distance vectors of the ddr.
1665
1666 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1667
1668         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1669         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1670         IS_INTHANDLER; all callers changed.
1671         (n_regs_saved_by_prologue): Take interrupt handler attributes into
1672         account.
1673         (do_link, do_unlink): New argument ALL; all callers changed.
1674         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1675         If function isn't leaf, save and restore all registers.
1676         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1677         exception handler.
1678
1679 2005-11-05  Jan Hubicka  <jh@suse.cz>
1680
1681         PR rtl-optimization/23490
1682         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1683         max-flow-memory-location): Document.
1684         * flow.c: Include params.h
1685         (MAX_MEM_SET_LIST_LEN): Kill.
1686         (add_to_mem_set_list): Use new param.
1687         * cse.c (cse_basic_block): Replace 1000 by new param.
1688         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1689         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1690         * predict.c (predict_loops): Use new param.
1691         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1692
1693         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1694         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1695         Do not hold memory returned by cgraph_node_name across other call.
1696
1697 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
1698
1699         PR target/23424
1700         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1701         Disable.
1702
1703 2005-11-04  Jeff Law  <law@redhat.com>
1704
1705         PR/21883
1706         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1707         * tree-ssa-dom.c: Include params.h.
1708         (thread_across_edge): If there are too many statements in the
1709         target block, then do not thread through it.
1710         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1711         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1712
1713 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
1714
1715         PR 24627
1716         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1717         TODO_update_ssa instead of TODO_update_ssa_no_phi.
1718
1719 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
1720
1721         PR/18595
1722         * tree-scalar-evolution.c (instantiate_parameters_1,
1723         instantiate_parameters, resolve_mixers): Compute the size of an
1724         expression to be instantiated and give up the instantiation if the
1725         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1726
1727 2005-11-04  Richard Guenther  <rguenther@suse.de>
1728
1729         * tree-flow.h (ref_contains_indirect_ref): Rename to
1730         array_ref_contains_indirect_ref.
1731         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1732         (array_ref_contains_indirect_ref): Make comment match the code
1733         and vice-versa.
1734         (ref_contains_array_ref): Likewise.
1735         * tree-ssa-structalias.c (find_func_aliases): Remove call to
1736         ref_contains_indirect_ref.
1737         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1738         Rename calls to ref_contains_indirect_ref.
1739
1740 2005-11-04 Paul Brook  <paul@codesourcery.com>
1741
1742         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1743         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1744         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1745         * config/arm/arm.md: Use match_operand in peephole input templates
1746         and match_dup in peephole output templates.
1747
1748 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1749
1750         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1751         __aeabi_uidiv.
1752
1753 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
1754             Daniel Jacobowitz  <dan@codesourcery.com>
1755
1756         * longlong.h (add_ssaaaa): Clobber condition code register
1757         in ARM version.
1758         (sub_ddmmss): Likewise.
1759         (umul_ppmm): Likewise.
1760
1761 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1762             Paul Brook  <paul@codesourcery.com>
1763             Phil Blundell  <pb@reciva.com>
1764
1765         * configure.ac: Add test for ARM TLS support.
1766         * configure: Regenerated.
1767         * config/arm/arm-protos.h (legitimize_tls_address)
1768         (arm_tls_referenced_p, tls_mentioned_p)
1769         (arm_output_addr_const_extra): New prototypes.
1770         (thumb_legitimize_pic_address): Delete.
1771         * config/arm/arm.c: Include "gt-arm.h".
1772         (enum tls_reloc): New.
1773         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1774         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1775         (arm_call_tls_get_addr, legitimize_tls_address)
1776         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1777         (arm_init_tls_builtins, arm_emit_tls_decoration)
1778         (arm_output_addr_const_extra): New functions.
1779         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1780         (TARGET_HAVE_TLS): Define.
1781         (target_thread_pointer): New.
1782         (arm_override_options): Handle -mtp=.
1783         (legitimize_pic_address): Ignore UNSPECs.
1784         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1785         relative symbols.
1786         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1787         (tls_get_addr_libfunc): New variable.
1788         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1789         (arm_init_builtins): Call arm_init_tls_builtins.
1790         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1791         (arm_encode_section_info): Call default_encode_section_info.
1792         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1793         (enum arm_tp_type): New.
1794         (target_thread_pointer): Add declaration.
1795         (LEGITIMATE_CONSTANT_P): Handle TLS.
1796         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1797         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1798         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1799         * config/arm/arm.md: Add UNSPEC_TLS.
1800         (movsi): Handle TLS.
1801         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1802         non-PIC.
1803         (tls_load_dot_plus_eight): New insn and a peephole to create it.
1804         (load_tp_hard, load_tp_soft): New insns.
1805         * arm.opt: Add -mtp=.
1806         * doc/invoke.texi (ARM Options): Document -mtp.
1807
1808 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1809
1810         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1811         * config/arm/libunwind.S: Include "lib1funcs.asm".
1812         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1813         (LIB2ADDEH): Add libunwind.S.
1814         (LIB2ADDEHDEP): Add lib1funcs.asm.
1815         * mklibgcc.in: Handle asm files in libgcc_eh.a.
1816
1817 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1818
1819         PR fortran/18452
1820         * gcc/c.opt: Add a -lang-fortran option.
1821         * gcc/c-opts.c: Add a lang_fortran flag.
1822         (c_common_init_options): Handling the -lang-fortran option.
1823         (c_common_handle_option): Add a case for Fortran options in
1824         preprocessing. Remove cases for -ffixed-form and
1825         -ffixed-line-length. Add a case for -lang-fortran.
1826
1827 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
1828
1829         * config/rs6000/rs6000.c: Include params.h
1830         (optimization_options): Set max-grow-copy-bb-insns default to 16.
1831         (bdesc_2arg): Delete vpkuhss and vpkuwss.
1832         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1833         (UNSPEC_VPKUWSS): Delete.
1834         (altivec_vpkuhss): Delete.
1835         (altivec_vpkuwss): Delete.
1836         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1837         final condition.
1838         (neg_eq0<mode>): Remove final condition.
1839         (neg_eq<mode>): Remove condition and split-condition.
1840
1841 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
1842
1843         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1844         Use associated print macros.
1845
1846 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
1847
1848         PR c++/17964
1849         * diagnostic.c (diagnostic_set_info_translated): New function.
1850         (diagnostic_set_info): Use it.  Add comment.
1851         * diagnostic.h (diagnostic_set_info_translated): Declare.
1852
1853 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
1854
1855         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1856         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1857         reference only if 'public' is true.
1858         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1859         emit the .hidden directive only if the indirect reference is public.
1860         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1861         Pass it to dw2_force_const_mem.
1862         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1863         * dwarf2out.c (output_cfi): Adjust calls to above function.
1864         (output_call_frame_info): Likewise.
1865         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1866         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1867
1868 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
1869
1870         PR tree-optimization/24483
1871         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1872         field to elts if possible.
1873
1874 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
1875
1876         PR middle-end/23155
1877         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1878         CONSTRUCTOR.
1879
1880 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
1881
1882         Fix PR tree-optimization/24351
1883
1884         * tree-ssa-structalias.c (struct variable_info): Add
1885         collapsed_into.
1886         (get_varinfo_fc): New function to follow collapsing.
1887         (new_var_info): Set collapsed_to to NULL.
1888         (dump_constraint): Follow collapsing.
1889         (build_constraint_graph): Handle collapsing.
1890         (do_simple_structure_copy): Return false if something bad
1891         happened.
1892         (collapse_rest_of_var): New function.
1893         (do_structure_copy): Collapse if do_simple_structure_copy returns
1894         false.
1895
1896 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
1897
1898         PR middle-end/24589
1899         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1900         expressions to a statement list instead of gimplifying them.
1901
1902 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1903
1904         PR rtl-optimization/23585
1905         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1906         that can't trap plus a constant integer, if the mode has zero size.
1907
1908 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
1909
1910         PR target/24620
1911         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1912         as operand 2.
1913         ("*insv<mode>_reg_extimm"): Likewise.
1914
1915 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
1916
1917         PR c/24329
1918         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1919         c_common_type_for_mode returns an unnamed type.
1920
1921 2005-11-02  Richard Henderson  <rth@redhat.com>
1922
1923         PR target/9350
1924         PR target/24374
1925         * dwarf2out.c (dwarf2out_reg_save_reg): New.
1926         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1927         * function.c (assign_parms): Use calls.internal_arg_pointer.
1928         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1929         code.
1930         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1931         (TARGET_CALLS): Add it.
1932         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1933         * targhooks.c (default_internal_arg_pointer): New.
1934         * targhooks.h (default_internal_arg_pointer): Declare.
1935         * tree.h (dwarf2out_reg_save_reg): Declare.
1936         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1937         * config/i386/i386.c (dbx_register_map): Add return column.
1938         (dbx64_register_map, svr4_dbx_register_map): Likewise.
1939         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1940         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1941         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1942         (ix86_save_reg): Save force_align_arg_pointer.
1943         (ix86_emit_save_regs): Make regno unsigned.
1944         (ix86_emit_save_regs_using_mov): Likewise.
1945         (ix86_expand_prologue): Handle force_align_arg_pointer.
1946         (ix86_expand_epilogue): Likewise.
1947         * config/i386/i386.h: (dbx_register_map): Update.
1948         (dbx64_register_map, svr4_dbx_register_map): Update.
1949         (struct machine_function): Add force_align_arg_pointer.
1950         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1951         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1952         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1953
1954 2005-11-02  Jan Hubicka  <jh@suse.cz>
1955
1956         PR target/23303
1957         * i386.md: Add peep2 for simplyfing array accesses.
1958
1959 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
1960
1961         PR target/24615
1962         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1963         * config/s390/s390.c (s390_decompose_shift_count): New function.
1964         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1965         (print_shift_count_operand): Use s390_decompose_shift_count.
1966         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1967         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
1968
1969 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
1970
1971         PR target/24600
1972         * loop.c (loop_givs_rescan): Use force_operand to expand
1973         complex GIVs.
1974
1975 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
1976
1977         PR 22429
1978         * fold-const.c (build_range_check): Use unsigned when signed
1979         overflow is undefined also.  If etype is subtype, make sure that
1980         the subtraction is in the supertype.
1981
1982 2005-11-02  Richard Henderson  <rth@redhat.com>
1983
1984         PR target/24178
1985         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1986         by MEM_ALIGN.
1987
1988 2005-11-01  Richard Henderson  <rth@redhat.com>
1989
1990         PR 21518
1991         * loop.c (scan_loop): Do not propagate computations to a hard
1992         register destination with SMALL_REGISTER_CLASSES.
1993
1994 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
1995
1996         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1997         costs for MULT inside PLUS or MINUS.
1998
1999 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
2000
2001         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2002         (TRAMPOLINE_SIZE): Round up to 60.
2003         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2004
2005 2005-10-31  James E. Wilson  <wilson@specifix.com>
2006
2007         PR debug/24444
2008         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2009         ifdef.  Put ifdefs around call in gen_subprogram_die.
2010         (compute_frame_pointer_to_cfa_displacement): Likewise.
2011         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2012         not defined.
2013
2014         PR rtl-optimization/17356
2015         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
2016         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2017
2018 2005-10-31  Jan Hubicka  <jh@suse.cz>
2019
2020         PR middle-end/24093
2021         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2022
2023         PR target/20928
2024         * i386.c (legitimize_pic_address): Deal with large immediates.
2025
2026         PR profile/20815
2027         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2028         from symbol names while computing checkup.
2029
2030         PR profile/24487
2031         * predict.c (predict_loops): Do not estimate more than
2032         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2033         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2034
2035 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
2036
2037         PR tree-optimization/19097
2038         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2039
2040 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
2041
2042         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2043
2044 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
2045
2046         PR middle-end/23492
2047         * tree-inline.c (setup_one_parameter): If the init_stmt
2048         is NULL, don't insert the statement.
2049
2050 2005-10-30  Jan Hubicka  <jh@suse.cz>
2051
2052         PR tree-optimization/24172
2053         * tree-inline.c (copy_body_r): Unshare the substituted value first.
2054
2055 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
2056
2057         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2058         constants for hosts with long != 32 bits.
2059
2060 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
2061
2062         PR middle-end/24093
2063         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2064
2065 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
2066
2067         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2068         (TARGET_MS1_16_002): New.
2069         (TARGET_MS1_16_003): New.
2070
2071         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2072         ("*decrement_and_branch_until_zero_no_clobber"): New.
2073         Add corresponding splitter for decrement_and_branch_until_zero
2074         instruction.
2075         Key all decrement_and_branch_until_zero patterns off of
2076         TARGET_MS1_16_003.
2077
2078 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
2079
2080         PR middle-end/24362
2081         * tree-complex.c (extract_component): Treat RESULT_DECL
2082         like the rest of the decls.
2083
2084 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
2085
2086         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2087         indirect call to _mcount if the function needs a static chain.
2088
2089 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
2090             Caroline Tice  <ctice@apple.com>
2091
2092         PR rtl-optimization/24460
2093         * dwarf2out.c (have_switched_text_sections): New boolean variable.
2094         (dwarf2out_switch_text_section): Set it to true instead of
2095         incrementing separate_line_info_table_in_use.
2096         (output_loc_list): Additionally test have_switched_text_sections.
2097         (output_ranges): Likewise.
2098         (dwarf2out_finish): Likewise.
2099         * varasm.c (assemble_start_function): Do not call
2100         insert_section_boundary_note.
2101         (assemble_end_function): If flag_reorder_blocks_and_partition,
2102         switch to the function's section before emitting the .size directive.
2103         * bb-reorder.c (insert_section_boundary_note): Staticify.
2104         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2105         * output.h (insert_section_boundary_note): Delete.
2106
2107 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
2108
2109         PR c/23103
2110         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2111         instead of pointer equality when comparing types.
2112
2113 2005-10-24  James E. Wilson  <wilson@specifix.com>
2114
2115         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2116         add_dependence_list_and_free calls.
2117
2118 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2119
2120         * contrib.texi: Add the names of the LLNL folks who donated
2121         Cray pointer support for gfortran.
2122
2123 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2124
2125         PR tree-optimization/24225
2126         * profile.c (branch_prob): Look from end to start through a
2127         basic block when looking for a locus.
2128
2129 2005-10-24  Richard Henderson  <rth@redhat.com>
2130
2131         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2132         parallel.
2133         (hppa_expand_prologue): Likewise.
2134
2135 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2136
2137         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2138         (NO_DEFERRED_PROFILE_COUNTERS): Define.
2139         * pa.h (NO_PROFILE_COUNTERS): Define.
2140         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2141         (funcdef_nos): New vector to hold label numbers of deferred profile
2142         counters.
2143         (output_deferred_profile_counters): New function.
2144         (hppa_profile_hook): Push label number onto funcdef_nos.
2145         (pa_hpux_file_end): Call output_deferred_profile_counters if
2146         NO_DEFERRED_PROFILE_COUNTERS is false.
2147
2148         * pa-protos.h (get_deferred_plabel): New prototype.
2149         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
2150         Make global.
2151         (output_call): Adjust calls.
2152
2153 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
2154
2155         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2156         peculiarity of GOT/TOC section usage.
2157
2158 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
2159
2160         PR objc/24435
2161          * c-common.c (constant_string_class_name): Add documentation.
2162
2163 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
2164
2165         PR target/23832
2166         * recog.c (peephole2_optimize): Increment peep2_current_count
2167         only when the slot is empty.
2168
2169 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2170
2171         PR ada/23957
2172         * except.c (output_function_exception_table): Call
2173         assemble_external_libcall if we need a personality function.
2174
2175 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2176
2177         PR rtl-optimization/24460
2178         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2179         set the basic block for barriers.
2180
2181 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
2182
2183         * var-tracking.c (vt_initialize): Initialize post.
2184
2185 2005-10-21  Devang Patel  <dpatel@apple.com>
2186
2187         PR/24220
2188         * c-common.c (vector_types_convertible_p): Check vector element type.
2189
2190 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2191
2192         * config/sh/sh.c (prepare_move_operands): Handle the address
2193         constant which is a tls symbolic address plus a constant.
2194
2195 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
2196
2197         PR driver/24473
2198         * gcc.c (main): Use the correct counter for erroring out
2199         about mulitple files.
2200
2201 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
2202
2203         PR target/24465
2204         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2205         use r2 for 64-bit tls .got access.
2206
2207 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
2208
2209         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2210         TRUTH_OR_EXPR.
2211
2212 2005-10-20  Steven Bosscher  <stevenb@suse.de>
2213
2214         PR tree-optimization/24307
2215         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2216
2217 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
2218
2219         PR middle-end/24295
2220         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2221         alias targets.
2222         * varasm.c (find_decl_and_mark_needed): After cgraph global info
2223         is ready, stop marking functions, but still mark variables.
2224
2225 2005-10-20  Richard Guenther  <rguenther@suse.de>
2226
2227         PR c++/24439
2228         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2229         void type operands.
2230
2231 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
2232
2233         PR rtl-optimization/23585
2234         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2235         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
2236         (may_trap_p_1): New predicate extracted from...
2237         (may_trap_p): ... here.  Invoke may_trap_p_1.
2238         (may_trap_or_fault_p): New predicate.
2239         * rtl.h (may_trap_or_fault_p): Declare it.
2240         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2241         instead of may_trap_p.
2242         (steal_delay_list_from_fallthrough): Likewise.
2243         (fill_simple_delay_slots): Likewise.
2244         (fill_slots_from_thread): Likewise.
2245         * function.c (pad_to_arg_alignment): Rework comment about
2246         SPARC_STACK_BOUNDARY_HACK.
2247         * config/sparc/sparc.h: Likewise.
2248
2249 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
2250
2251         * config/s390/s390.c (s390_expand_insv): New.
2252         * config/s390/s390-protos.h (s390_expand_insv): Declare.
2253         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2254         ("icm_hi"): Remove mode attribute.
2255         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2256         Adjust all uses.
2257         ("*extracthi", "*extractqi"): Remove.
2258         (extv<mode>", "*extzv<mode>"): New.
2259         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2260         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2261
2262 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2263
2264         * cfgexpand.c (discover_nonconstant_array_refs_r,
2265         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2266         (tree_expand_cfg): Call discover_nonconstant_array_refs.
2267         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2268         discover_nonconstant_array_refs.
2269
2270 2005-10-19  Steven Bosscher  <stevenb@suse.de>
2271
2272         PR c/23228
2273         * c-decl.c (pop_scope): Don't warn about an unused variable
2274         if it is marked with TREE_NO_WARNING.
2275         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2276         somenow mismatch and olddecl is to be replaced.
2277
2278 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
2279
2280         PR middle-end/23199
2281         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2282         whether registers live on the edge can be saved/restored.
2283
2284 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2285
2286         * config/sh/sh.c (fixup_mova): Skip notes.
2287
2288 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2289
2290         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2291         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2292         (s390_can_eliminate): Handle BASE_REGNUM elimination.
2293         (s390_initial_elimination_offset): Likewise.
2294         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2295         register on TARGET_ZARCH targets.
2296         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2297         (INITIAL_FRAME_POINTER_OFFSET): Remove.
2298         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2299         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2300
2301 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2302
2303         * config/s390/s390.md: Comment describing output modifiers updated.
2304         * config/s390/s390.c (print_operand): Likewise.
2305
2306 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2307
2308         * config/s390/s390.c (override_options): Added check for -mstack-size
2309         64k limitation.
2310         * doc/invoke.texi: Mention that limit in the documenation.
2311
2312 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
2313
2314         PR #19672
2315         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2316
2317 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
2318
2319         Fix PR tree-optimization/24231
2320
2321         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2322         (compute_avail): Ditto.
2323
2324 2005-10-18  Richard Henderson  <rth@redhat.com>
2325
2326         PR target/24428
2327         * config/i386/i386.c (legitimate_constant_p): Check
2328         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
2329         if LABEL_REF.
2330         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2331         (legitimate_pic_address_disp_p): Reorg CONST checking to make
2332         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
2333         directly.
2334         (print_operand_address): Likewise.
2335         * config/i386/predicates.md (x86_64_immediate_operand): Test
2336         SYMBOL_REF_TLS_MODEL properly inside CONST.
2337         (x86_64_zext_immediate_operand): Likewise.
2338         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2339         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2340         * config/i386/i386-protos.h: Remove predicates.md entries.
2341
2342 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
2343
2344         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2345         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2346
2347 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
2348             Ian Lance Taylor <ian@airs.com>
2349
2350         PR middle-end/23522
2351         * fold-const.c (fold_widened_comparison): Do not allow range based
2352         constant folding when right operand cannot be unwidened.
2353
2354 2005-10-17  Richard Henderson  <rth@redhat.com>
2355
2356         * builtins.c (expand_builtin_synchronize): Build a new-style asm
2357         with a memory clobber.
2358
2359 2005-10-17  James E Wilson  <wilson@specifix.com>
2360
2361         PR rtl-optimization/17356
2362         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2363         checking for EDGE_EH.
2364
2365 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2366
2367         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2368         the slot on an even boundary for any type with 16-byte alignment.
2369
2370 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
2371
2372         PR target/23424
2373         * md.texi (Modifiers) <%>: Clarify that % doesn't work
2374         after register allocation.
2375
2376 2005-10-17  DJ Delorie  <dj@redhat.com>
2377
2378         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2379         as frame related.
2380
2381 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
2382
2383         PR c++/22551
2384         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2385         overflow flags.
2386
2387 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2388
2389         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2390         to 2 if it's already non-zero.
2391         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2392         is set and warn about it if flag_schedule_insns is 1.
2393
2394 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
2395
2396         * config/crx/crx.md: Compare-and-branch instructions need to
2397         invalidate CC.
2398
2399 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
2400
2401         PR target/24315
2402         * config/i386/i386.md (*pushdi2_rex64 splitter)
2403         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2404         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2405         flow2 pass only when (optimize > 0 && flag_peephole2).
2406
2407 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
2408
2409         PR driver/22544
2410         * gcc.c (have_c): New static variable.
2411         (have_o): Likewise.
2412         (process_command): Remove declation of have_c.
2413         Set have_o to 1 when handling -o.
2414         (main): Add a fatel error if there are multiple
2415         files specified and -o and -c/-S is passed witout
2416         -combine or multiple languages.
2417
2418 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
2419
2420         Fix PR tree-optimization/22444
2421         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2422         Assert that we don't hit something with subvars.
2423         (setup_pointers_and_addressables): Don't add things with subvars,
2424         because we'll already process the subvars for aliasing purposes.
2425
2426 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
2427
2428         PR target/23424
2429         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2430         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2431         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2432         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2433         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2434         swapped, alternatives for the R constraint.
2435
2436         PR middle-end/24341
2437         * builtins.c (get_builtin_sync_mode): Make unlimited
2438         mode_for_size request.
2439
2440 2005-10-15  Richard Henderson  <rth@redhat.com>
2441
2442         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2443         (gimplify_expr): ... here.
2444         (gimplify_compound_lval): Use it in initial scan loop.  Allow
2445         fb_lvalue in base expression.
2446
2447 2005-10-15  Richard Henderson  <rth@redhat.com>
2448
2449         PR 23714
2450         * builtins.c (expand_builtin_trap): Export.
2451         * expr.h (expand_builtin_trap): Declare.
2452         * expr.c (expand_assignment): Emit a trap for integral offsets
2453         from registers that weren't reduced to bitpos.
2454
2455         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2456         (mark_array_ref_addressable): Remove.
2457         * tree-flow.h (mark_array_ref_addressable): Remove.
2458         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2459
2460 2005-10-15  James E Wilson  <wilson@specifix.com>
2461
2462         PR target/24232
2463         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
2464         (add_dependence_list_and_free): Likewise.
2465         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2466         call.
2467
2468 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
2469
2470         PR 23141
2471         PR 23142
2472         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2473         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2474         anti-range.
2475         (vrp_visit_phi_node): Only prevent infinite iterations when
2476         the previous result and the new result are both VR_RANGEs.
2477
2478 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
2479
2480         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2481         function comment.
2482
2483 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2484
2485         PR c/23439
2486         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2487         to initialize loc.
2488
2489 2005-10-14  Per Bothner  <per@bothner.com>
2490
2491         PR preprocessor/21250
2492         * c-ppoutput.c (print_line): Print internal line 0 as 1.
2493
2494 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
2495
2496         PR c++/22551
2497         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2498         overflow flags.  Refactor some conditionals.
2499
2500 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
2501
2502         PR tree-opt/21304
2503         * tree-dfa.c (add_referenced_var): Only look at decls which
2504         have TREE_CONSTANT or TREE_READONLY set instead of if
2505         !TREE_PUBLIC or !TREE_CONSTANT.
2506
2507 2005-10-13  James E Wilson  <wilson@specifix.com>
2508
2509         * doc/invoke.texi: For -x, add f95-cpp-input.
2510         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2511
2512 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
2513
2514         PR tree-optimization/24262
2515         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2516         in loop all the time.
2517
2518 2005-10-12  Richard Henderson  <rth@redhat.com>
2519
2520         PR c/24255
2521         * tree.h (DECL_TRANSPARENT_UNION): Remove.
2522         * function.c (assign_parm_find_data_types): Don't support it.
2523         * print-tree.c (print_node): Likewise.
2524         * c-common.c (handle_transparent_union_attribute): Likewise.
2525         Use build_duplicate_type.
2526         * tree-inline.c (remap_type_1): Split out of remap_type;
2527         properly remap aggregate fields.
2528         (build_duplicate_type): New.
2529         * doc/extend.texi (Variable Attributes): Remove documentation
2530         for transparent_union.
2531
2532 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2533
2534         PR target/24284
2535         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2536         (gen_stack_pointer_dec): Likewise.
2537
2538 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
2539
2540         PR middle-end/21275
2541         PR middle-end/21766
2542         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2543         target hook.
2544         (struct cxx): Add adjust_class_at_definition target hook.
2545         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2546         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2547         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2548         hook_void_tree. Add to TARGET_CXX.
2549         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2550         dllimport_flag.
2551         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2552         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2553         instead of attribute. Check for dllexport override.  Warn if
2554         inconsistent dll linkage. Don't lose old dllimport if decl has
2555         had address referenced.   Tweak lookup of dllimport atribute.
2556         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2557         for target specific rules.  Don't add dllimport attribute if
2558         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
2559         dllimport attribute.
2560         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2561         * varasm.c (initializer_constant_valid_p): Replace
2562         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2563
2564         PR target/21801
2565         PR target/23589
2566         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2567         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2568         (i[34567]86-*-mingw32*): Likewise.
2569
2570         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2571         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2572
2573         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2574         C++-specific code. Change return value to bool.
2575         (i386_pe_dllimport_p): Likewise.
2576         (associated_type): Simplify and make language-independent
2577         (i386_pe_encode_section_info): Replace override of ambiguous
2578         dllimport symbol refs with a gcc_assert.
2579         (i386_pe_valid_dllimport_attribute_p): Define.
2580         * config/i386/winnt-cxx.c: New file. Define C++ versions of
2581         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2582         i386_pe_adjust_class_at_definition.
2583         * config/i386/winnt-stubs.c: New file. Define stub versions of
2584         lang-specific functions.
2585         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2586         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2587         i386_pe_adjust_class_at_definition.
2588         (i386_pe_valid_dllimport_attribute_p): Declare.
2589         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2590         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2591         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2592
2593         PR target/19704
2594         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2595         dllimport attribute with test of DECL_DLLIMPORT_P.
2596
2597 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
2598
2599         * combine.c (make_extraction): Correct offset computation.
2600
2601 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
2602
2603         * config/cris/t-linux (LIMITS_H_TEST): Define.
2604
2605 2005-10-12  Richard Henderson  <rth@redhat.com>
2606
2607         PR rtl-opt/23324
2608         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2609
2610 2005-10-12  Richard Guenther  <rguenther@suse.de>
2611
2612         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2613
2614 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
2615
2616         PR c++/19964
2617         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2618         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2619         type.
2620
2621 2005-10-12  Richard Guenther  <rguenther@suse.de>
2622
2623         PR c++/23799
2624         * varasm.c (output_constant): Correct typo from previous
2625         patch by DJ.
2626
2627 2005-10-11  Ian Lance Taylor  <ian@airs.com>
2628
2629         PR rtl-optimization/13931
2630         * combine.c: Revert patch of 2003-05-14, and:
2631         (try_combine): Only set elim_i1 and elim_i2 if the destination is
2632         completely killed in the appropriate insn.
2633         (distribute_notes): Don't skip multiple hard register test for
2634         elim_i1 and elim_i2.
2635
2636 2005-10-11  Richard Henderson  <rth@redhat.com>
2637
2638         PR c/24255
2639         * c-typeck.c (convert_for_assignment): Use build_constructor_single
2640         to initialize a transparent union instead of a nop_expr.
2641
2642 2005-10-11  Richard Henderson  <rth@redhat.com>
2643
2644         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2645         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2646         (tree_ssa_dce_loop): Call scev_reset.
2647
2648         PR tree-opt/24300
2649         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2650         * tree-ssa-dce.c: Include cfgloop.h.
2651         (tree_ssa_dce_loop, pass_dce_loop): New.
2652         * tree-pass.h (pass_dce_loop): Declare it.
2653         * passes.c (init_optimization_passes): Use it.
2654
2655 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
2656
2657         PR middle-end/24263
2658         * convert.c (convert_to_real): Revert 2005-10-05 patch.
2659         Only apply the optimization for rounding builtins if the inner
2660         cast is also an extension.
2661
2662 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
2663
2664         PR tree-opt/23946
2665         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2666         mark_new_vars_to_rename instead of update_stmt.
2667
2668 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2669
2670         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2671
2672 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
2673
2674         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2675         for setting MMX register to 0 rather than mmx.
2676
2677 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
2678
2679         PR target/12098
2680         * configure.ac: Move gas check from mips specific case to common case.
2681         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2682         * configure: Regenerate
2683         * doc/install.texi: Update.
2684
2685 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2686
2687         PR target/24284
2688         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2689
2690 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
2691
2692         * gcc.c (do_spec_1): Accept numeric characters in file name
2693         suffixes.
2694
2695 2005-10-10  Nick Clifton  <nickc@redhat.com>
2696
2697         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
2698         describing the deleted arm_gen_rotated_half_load function.
2699
2700 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2701
2702         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2703         __fpscr_values.
2704
2705 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
2706
2707         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2708         gnu_ld assignments.
2709         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2710         (EXTRA_MULTILIB_PARTS): Define.
2711         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2712         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2713         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2714         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2715         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2716         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2717
2718 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
2719
2720         PR tree-optimization/24226
2721         * tree-cfg.c (remove_bb): Clean up unreachable loops.
2722         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2723         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2724         Export.
2725
2726 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2727
2728         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2729
2730 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
2731
2732         PR target/24136
2733         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2734         Rewrite for no need for the early clobber.
2735
2736 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
2737
2738         Merge from csl-arm-branch:
2739         2005-09-07  Paul Brook  <paul@codesourcery.com>
2740         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2741         space to string.
2742
2743         2005-04-30  Paul Brook  <paul@codesourcery.com>
2744         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2745         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2746
2747         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
2748         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2749         (arm_override_options): Use TARGET_AAPCS_BASED.
2750         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2751         (PTRDIFF_TYPE): Use int for AAPCS.
2752         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2753         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2754         (DEFAULT_SHORT_ENUMS): Delete.
2755         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2756
2757         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
2758         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2759         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2760         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2761
2762         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
2763         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2764
2765         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
2766         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2767
2768         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
2769         * config.gcc (arm*-*-linux-gnueabi): Add it.
2770         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2771         redefining it.
2772         (TARGET_OS_CPP_BUILTINS): Likeiwse.
2773         * config/arm/linux-eabi.h: New file.
2774         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2775         (LINUX_TARET_LINK_SPEC): Likewise.
2776         (LINK_SPEC): Use it.
2777         * config/arm/t-linux-eabi: New file.
2778
2779 2005-10-08  Steven Bosscher  <stevenb@suse.de>
2780
2781         PR other/22202
2782         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2783         spaces.
2784         (PARAM_SMS_DFA_HISTORY): Likewise.
2785
2786 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
2787
2788         PR middle-end/23150
2789         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2790         (load_register_parameters): Call it.
2791         (check_sibcall_argument_overlap_1): Likewise.
2792         (store_one_arg): Likewise.
2793
2794 2005-10-07  James E. Wilson  <wilson@specifix.com>
2795
2796         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2797         DImode not VECINT24 for operand 2.
2798
2799         PR target/23644
2800         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2801         -mtune-arch.
2802
2803         PR target/24193
2804         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2805         fr_spill): Use destination_operand for operand 0.
2806
2807 2005-10-07  DJ Delorie  <dj@redhat.com>
2808
2809         * varasm.c (output_constant): Limit error to expanding
2810         conversions.
2811
2812 2005-10-07  Richard Guenther  <rguenther@suse.de>
2813
2814         PR middle-end/24227
2815         * fold-const.c (fold_binary): Fix operand types during folding
2816         of X op (A, Y).  Evaluation order of the side-effects of
2817         X and A are frontend-defined, so ensure we honour that even for
2818         tcc_comparison class operands; eased by removing duplicate code.
2819
2820 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
2821
2822         * stor-layout.c (layout_type): Do not allow alignment of array
2823         elements to be greater than their size.
2824
2825 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
2826
2827         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2828         host_xmake_file.
2829         (hppa*-*-linux*): Ditto.
2830         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2831         * config/host-hpux.c: New.
2832         * config/x-hpux: New.
2833         * config/pa/x-hpux: Remove.
2834         * config/pa/x-linux: Remove.
2835         * config/pa/pa-host.c: Remove.
2836
2837 2005-10-07  Jeff Law  <law@redhat.com>
2838
2839         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2840         determine whether or not to try and thread outgoing edges.
2841
2842 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
2843
2844         * config/rs6000/rs6000.md (eqsi_power): New.
2845         (neg_eq0si): Add TARGET_POWER to final condition.
2846         (neg_eqsi): Same.
2847
2848 2005-10-06  Richard Henderson  <rth@redhat.com>
2849
2850         * config/rs6000/rs6000.c: Revert last change.
2851
2852 2005-10-06  Richard Henderson  <rth@redhat.com>
2853
2854         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2855         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2856
2857 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
2858
2859         PR middle-end/22216
2860         PR middle-end/23651
2861         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2862         out return_label and naked_return_label.
2863
2864 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
2865
2866         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2867         change.
2868
2869 2005-10-06  Richard Henderson  <rth@redhat.com>
2870
2871         PR tree-opt/22237
2872         * tree-inline.c (declare_return_variable): Handle modify_dest not
2873         being a DECL.
2874
2875 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
2876
2877         Fix PR tree-optimization/22488
2878         * tree-ssa-structalias.c (check_for_overlaps): New function.
2879         (create_variable_info_for): Use it.
2880
2881 2005-10-06  Richard Henderson  <rth@redhat.com>
2882
2883         PR debug/24070
2884         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2885         (dwarf2out_start_source_file): Print it.
2886
2887 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
2888
2889         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2890
2891 2005-10-06  Richard Henderson  <rth@redhat.com>
2892
2893         PR 23706
2894         * mode-switching.c (optimize_mode_switching): Clear transp bit
2895         for block with incomming abnormal edges.
2896
2897         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2898         (fpscr_set_from_mem): Use them.
2899         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2900         (fpscr postinc splitters): Rewrite as peephole2+split.
2901
2902 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
2903
2904         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2905         (eq<mode>_compare): Same.
2906
2907 2005-10-06  Richard Guenther  <rguenther@suse.de>
2908
2909         PR tree-optimization/24238
2910         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2911
2912 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
2913
2914         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2915         here.  Use AC_PATH_PROG for environment variables instead of
2916         test -x.
2917         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
2918         objdump also.
2919         * configure: Regenerated.
2920
2921 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
2922
2923         PR target/23783
2924         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2925         then force it into a register.
2926         (call_value): Likewise.
2927
2928 2005-10-06  Richard Henderson  <rth@redhat.com>
2929
2930         PR 24049
2931         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2932         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
2933         under pass_vectorize.
2934
2935 2005-10-05  Devang Patel  <dpatel@apple.com>
2936
2937         PR Debug/23205
2938         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2939         handling constants. Check NAMESPACE_DECL context for constants.
2940
2941 2005-10-05  Eric Christopher  <echristo@apple.com>
2942
2943         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2944
2945 2005-10-05  Richard Henderson  <rth@redhat.com>
2946
2947         PR 23714
2948         * tree-cfg.c (mark_array_ref_addressable_1): New.
2949         (mark_array_ref_addressable): New.
2950         * tree-flow.h (mark_array_ref_addressable): Declare.
2951         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2952
2953 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
2954
2955         PR middle-end/20606
2956         PR middle-end/24069
2957         * reload.c (subst_reloads): When adding a REG_LABEL to a
2958         jump instruction, also update JUMP_LABEL.
2959
2960 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
2961
2962         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2963         * bb-reorder.c (copy_bb_p): Use it.
2964         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2965
2966 2005-10-05  Richard Henderson  <rth@redhat.com>
2967
2968         PR target/23602
2969         * toplev.c (process_options): Warn about unsupported combinations
2970         of unwind tables and omit-frame-pointer.
2971         * config/i386/i386.c (override_options): Similarly.  Enable
2972         accumulate-outgoing-args if not explicitly disabled.
2973
2974 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
2975
2976         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2977         Handle big endian vs. small endian.
2978         (vec_initv2sf): Handle big endian vs. small endian.
2979         (*vec_extractv2sf_1): Ditto.
2980
2981 2005-10-05  Dale Johannesen  <dalej@apple.com>
2982
2983         * convert.c (convert_to_real):  Don't convert
2984         (float)floor(double d) to floorf((float)d).
2985
2986 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
2987
2988         * config/arm/arm.md (insv): Use gen_int_mode in more places.
2989
2990 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
2991
2992         PR tree-optimization/18587
2993         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2994         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2995         build_vuses): Change to VEC type.
2996         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2997         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2998         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2999         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3000         (get_name_decl): New.  Return DECL_UID of base variable.
3001         (operand_build_cmp): New.  qsort comparison routine.
3002         (operand_build_sort_virtual): New.  Sort virtual build vector.
3003         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3004         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3005         (FINALIZE_BASE): Use get_name_decl.
3006         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3007         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3008         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3009         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3010         direct VEC_* manipulations.
3011         (build_ssa_operands): Call operand_build_sort_virtual.
3012         (copy_virtual_operand, create_ssa_artficial_load_stmt,
3013         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3014         with direct VEC_* manipulations.
3015         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3016         with direct VEC manipulations.
3017
3018 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
3019
3020         PR tree-optimization/21419
3021         PR tree-optimization/24146
3022         PR tree-optimization/24151
3023
3024         * c-typeck.c (readonly_error): Handle USE being lv_asm.
3025         (build_asm_expr): Call it if outputs are read-only.
3026         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3027
3028 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
3029             Paolo Bonzini  <bonzini@gnu.org>
3030
3031         PR target/23809
3032
3033         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3034         enable the instructions and not just the built-ins.
3035         * doc/invoke.texi (x86 Options): Likewise.
3036
3037 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
3038
3039         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3040
3041         * doc/invoke.texi (Option Summary): Correct spelling
3042         of -mmacosx-version-min.
3043
3044 2005-10-04  Devang Patel  <dpatel@apple.com>
3045
3046         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3047         real types.
3048
3049 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
3050
3051         * tree-vect-transform.c (vect_create_epilog_for_reduction):
3052         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3053
3054 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
3055
3056         * config/s390/s390.md ("TDSI","DP"): New mode macros.
3057         ("TE","tg"): New mode attributes.
3058         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3059         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3060         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3061         dword_mode and one for GPRmode.
3062
3063 2005-10-04  Ian Lance Taylor  <ian@airs.com>
3064
3065         PR preprocessor/13726
3066         * c-ppoutput.c (cb_include): Add comments parameter, and print out
3067         any comments passed in.
3068
3069 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3070
3071         * tree.c (annotate_with_file_line): Fix typo.
3072
3073 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3074
3075         PR ada/19382
3076         * builtins.c (fold_builtin_memcmp): When constructing the pointer
3077         type used to access data in the inlined length == 1 case, use
3078         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3079         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3080
3081 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
3082
3083         * config/i386/i386.h (TARGET_FISTTP): Enable also for
3084         TARGET_SSE3 and only for TARGET_80387.
3085         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3086         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3087         Do not depend on TARGET_80387.
3088
3089 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3090
3091         * tree.c (last_annotated_node): Change type to location_t*.
3092         (annotate_with_file_line): Reflect the change of
3093         last_annotated_node type.
3094
3095 2005-10-04  Richard Guenther  <rguenther@suse.de>
3096
3097         PR c/23576
3098         * c-decl.c (grokdeclarator): Don't write to fields
3099         of error_mark_node.
3100
3101 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3102
3103         PR middle-end/23125
3104         * c-decl.c (finish_decl): Use set_user_assembler_name even for
3105         register variables.
3106         * varasm.c (make_decl_rtl): If a register variable does not
3107         have a set user assmbler name, error out.
3108         Decode the asmspec is now name+1 bypassing '*'.
3109
3110 2005-10-04  Steven Bosscher  <stevenb@suse.de>
3111
3112         PR tree-optimization/23049
3113         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3114         of a COND_EXPR is folded before calling fold on the whole rhs of a
3115         conditional assignment.
3116         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3117         document that a COND_EXPR may appear there.
3118
3119 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
3120
3121         PR 23445
3122         * tree-vrp.c (extract_range_from_assert): If the new numeric
3123         range created out of the assertion contradicts the existing
3124         numeric range of the ASSERT_EXPR variable, make the new range
3125         varying.
3126
3127 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3128
3129         * config/sh/sh.c (sh_register_move_cost): Add case for moving
3130         from T_REGS to FP register class.
3131
3132 2005-10-03  Richard Henderson  <rth@redhat.com>
3133
3134         PR 24135
3135         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3136         before creating a new one.
3137
3138 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
3139
3140         * config/rs6000/t-aix43 (LDFLAGS): New.
3141         * config/rs6000/t-aix52 (LDFLAGS): New.
3142
3143 2005-10-03  Ian Lance Taylor  <ian@airs.com>
3144
3145         * gimplify.c (find_single_pointer_decl_1): New static function.
3146         (find_single_pointer_decl): New static function.
3147         (internal_get_tmp_var): For a formal variable, set restrict base
3148         information if appropriate.
3149         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3150         return it.
3151         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3152         (DECL_GET_RESTRICT_BASE): Define.
3153         (SET_DECL_RESTRICT_BASE): Define.
3154         (decl_restrict_base_lookup): Declare.
3155         (decl_restrict_base_insert): Declare.
3156         (struct tree_decl_with_vis): Add based_on_restrict_p field.
3157         * tree.c (restrict_base_for_decl): New static variable.
3158         (init_ttree): Initialize restrict_base_for_decl.
3159         (copy_node_stat): Copy restrict base information.
3160         (decl_restrict_base_lookup): New function.
3161         (decl_restrict_base_insert): New function.
3162         (print_restrict_base_statistics): New static function.
3163         (dump_tree_statistics): Call print_restrict_base_statistics.
3164
3165 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
3166
3167         PR 24142
3168         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3169         case of anti-ranges.
3170
3171 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
3172
3173         PR c/18851
3174         * c-typeck.c (tagged_tu_seen): Rename to ...
3175         (tagged_tu_seen_cache): this and add val field.
3176         (comptypes): Move functional to comptypes_internal
3177         and free tagged_tu_seen.
3178         (comptypes_internal): New function and call comptypes_internal
3179         instead of comptypes. Speed up by sibcalling
3180         tagged_types_tu_compatible_p.
3181         (alloc_tagged_tu_seen): New function
3182         (free_all_tagged_tu_seen_up_to): New function.
3183         (tagged_types_tu_compatible_p): Return the val of the seen two
3184         types.
3185         Add that the two types are the same to tagged_tu_seen_base
3186         if they are and call comptypes_internal instead of comptypes.
3187         <case UNION_TYPE>: Speed up common type where the fields are
3188         in the same order.
3189         (function_types_compatible_p): Call comptypes_internal instead of
3190         comptypes.
3191         (type_lists_compatible_p): Likewise.
3192         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3193
3194 2005-10-02  Matthias Klose  <doko@debian.org>
3195
3196         * doc/invoke.texi: Fix typo and speling error.
3197
3198 2005-10-01  Richard Henderson  <rth@redhat.com>
3199
3200         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3201
3202 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
3203
3204         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3205         using --start-group and --end-group.
3206
3207 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3208
3209         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3210         FIXME note regarding quirky semantics.
3211
3212 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3213
3214         PR 24141
3215         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3216         non-null range as a last resort.
3217
3218 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
3219             Diego Novillo  <dnovillo@redhat.com>
3220
3221         PR 23604
3222         * tree-vrp.c (extract_range_from_assert): For !=
3223         assertions, only build an anti-range if LIMIT is a
3224         single-valued range.
3225
3226 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3227
3228         * arm.md (movqi): On thumb when optimizing, handle loading from
3229         memory by describing this as taking a subreg of a zero-extended load
3230         into an SImode register.
3231         (movhi): Likewise.
3232
3233 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
3234
3235         * reload1.c (merge_assigned_reloads): Do not change any
3236         RELOAD_FOR_OUTPUT_ADDRESS reloads.
3237
3238 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
3239
3240         * Makefile.in (LIPO_FOR_TARGET): Define.
3241         (STRIP_FOR_TARGET): Define.
3242
3243         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3244         before creating new ones.  Do symlinks before creating the actual
3245         targets.
3246
3247         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3248         to work out which multilibs are actually being built.
3249
3250 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
3251
3252         * tree-vect-transform.c, config/ms1/ms1.md,
3253         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3254         Follow spelling conventions.
3255         * doc/invoke.texi, doc/md.texi: Fix typos.
3256
3257 2005-09-30  Andrew Macleod  <amacleod@redat.com>
3258
3259         PR tree-optimization/21430
3260         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3261         use operands, and set stmt pointer if need be.
3262         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3263         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3264         present.
3265
3266 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3267
3268         PR middle-end/24053
3269         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3270
3271 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
3272
3273         * optabs.c (expand_binop): Initialize first_pass_p.
3274
3275 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
3276
3277         PR middle-end/24109
3278         * c-decl.c (c_write_global_declarations_1): If any
3279         wrapup_global_declaration_2 call returned true, restart the loop.
3280
3281 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
3282
3283         Fix PR tree-optimization/24117
3284         * tree-ssa-structalias.c (find_func_aliases): Strip nops
3285         before considering whether to use anyoffset.
3286
3287 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3288
3289         Revert this patch:
3290
3291         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3292
3293         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3294         to order operands.
3295         (swap_commutative_operands_with_target): New.
3296
3297 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3298
3299         PR c/21419
3300         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3301         read-only.
3302
3303 2005-09-29  Steven Bosscher  <stevenb@suse.de>
3304
3305         PR tree-optimization/23911
3306         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3307         and IMAGPART_EXPR too.
3308
3309 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
3310
3311         PR 17886
3312         * expmed.c (expand_shift): Move logic to reverse rotation
3313         direction when  rotating by constants ...
3314         * optabs.c (expand_binop): ... here.
3315         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3316         (ix86_rotrdi3): New pattern.
3317         (rotldi3): Handle 32-bit mode.
3318         (ix86_rotldi3): New pattern.
3319
3320 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
3321
3322         PR target/24102
3323         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3324         check for numbers that need no bit twiddle.
3325
3326 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
3327
3328         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3329         multilib to be built.
3330
3331         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3332         (stage1-start): Delete old libgcc and libunwind before moving
3333         anything into the stage directory.
3334         (stage2-start): Likewise.
3335         (stage3-start): Likewise.
3336         (stage4-start): Likewise.
3337         (stageprofile-start): Likewise.
3338         (stagefeedback-start): Likewise.
3339         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3340         header in tm_file and CPU-specific t-darwin in tmake_file.
3341         (i[34567]86-*-darwin*): Don't change tm_file.
3342         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3343         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3344         shared library stub for target OS version.
3345         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3346         (SHLIB_LINK): Don't make SHLIB_SOLINK.
3347         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3348         (libgcc_s.%.dylib): New.
3349         (LIBGCC): Define.
3350         (install-darwin-libgcc-stubs): New.
3351         (INSTALL_LIBGCC): New append.
3352         * config/i386/darwin-libgcc.10.4.ver: New.
3353         * config/i386/darwin-libgcc.10.5.ver: New.
3354         * config/i386/t-darwin: New.
3355         * config/rs6000/darwin-libgcc.10.4.ver: New.
3356         * config/rs6000/darwin-libgcc.10.5.ver: New.
3357         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3358         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3359
3360 2005-09-28  Paul Brook  <paul@codesourcery.com>
3361
3362         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3363         denormals.
3364
3365 2005-09-28  Richard Guenther  <rguenther@suse.de>
3366
3367         PR tree-optimization/23853
3368         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3369         host_integerp to verify misalignment value.
3370
3371 2005-09-28  Richard Henderson  <rth@redhat.com>
3372
3373         * builtins.c (get_builtin_sync_mode): New.
3374         (expand_builtin_sync_operation): Pass in mode argument.
3375         (expand_builtin_compare_and_swap): Likewise.
3376         (expand_builtin_lock_test_and_set): Likewise.
3377         (expand_builtin_lock_release): Likewise.
3378         (expand_builtin): Update to match.
3379
3380 2005-09-28  Nick Clifton  <nickc@redhat.com>
3381
3382         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3383         formatting.  Add check to PLUS case to ensure that the offset is
3384         within an acceptable range.
3385
3386         * config/v850/v850.md (casesi): Disable the generation of the
3387         switch pattern as it is not being handled properly at the moment.
3388
3389         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3390         for when the high words are identical.
3391
3392 2005-09-27  Richard Henderson  <rth@redhat.com>
3393
3394         * pretty-print.c (pp_base_format): Fix typo for %>.
3395
3396 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
3397             Devang Patel  <dpatel@apple.com>
3398
3399         PR tree-optimization/23625
3400         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3401         LABEL_EXPR, assertion check.
3402
3403 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
3404
3405         * optabs.c (no_conflict_move_test): Check if a result of a
3406         to-be-moved insn would be clobbered by an originally
3407         preceding insn.
3408
3409 2005-09-27  Jeff Law  <law@redhat.com>
3410
3411         * passes.c (init_optimization_passes): Replace copy propagation
3412         passes immediately after DOM with phi-only copy propagation
3413         pases.  Add phi-only copy propagation pass after first DOM pass.
3414         * tree-pass.h (pass_phi_only_copy_prop): Declare.
3415         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3416         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3417         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
3418         to init_copy_prop.  Callers updated.
3419         (do_phi_only_copy_prop): New function.
3420         (pass_phi_only_copy_prop): New pass descriptor.
3421
3422 2005-09-27  Nick Clifton  <nickc@redhat.com>
3423
3424         * libgcc2.c (__popcount_tab): Remove redundant prototype.
3425
3426 2005-09-26  Jason Merrill  <jason@redhat.com>
3427
3428         PR c++/13764
3429         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3430
3431         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3432
3433 2005-09-26  James E Wilson  <wilson@specifix.com>
3434
3435         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3436         copyright.  Add gcc copyright plus libgcc exception.
3437         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
3438         copyright.
3439         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3440
3441 2005-09-26  Jeff Law  <law@redhat.com>
3442
3443         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3444         about when to iterate.
3445
3446 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
3447
3448         PR target/23847
3449         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3450         for __complex__ double in -mcpu=G5 mode.
3451
3452 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
3453
3454         PR tree-optimization/23942
3455         * Makefile.in (SCEV_H): Depends on PARAMS_H.
3456         * tree-scalar-evolution.c: Include params.h.
3457         (t_bool): New enum.
3458         (follow_ssa_edge, follow_ssa_edge_in_rhs,
3459         follow_ssa_edge_in_condition_phi_branch,
3460         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3461         Change return type to t_bool.  Use a parameter to limit the size of
3462         trees that are walked before stopping
3463         (analyze_evolution_in_loop): Initialize the limit to 0.
3464         (follow_ssa_edge): Give up by returning t_dont_know if the limit
3465         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3466
3467 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
3468
3469         PR middle-end/23831
3470         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3471         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3472
3473 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
3474
3475         * combine.c (make_extraction): Check for valid use of subreg.
3476
3477 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
3478
3479         PR target/24055
3480         * config/i386/i386.md ("*fistdi2_1"): New pattern.
3481         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3482         ("fist<mode>2_with_temp"): Use only register operands.
3483
3484 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
3485
3486         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3487         CALL_INSN_FUNCTION_USAGE.
3488
3489 2005-09-26  Richard Guenther  <rguenther@suse.de>
3490
3491         PR middle-end/15855
3492         * gcse.c: Include hashtab.h, define ldst entry hashtable.
3493         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3494         (ldst_entry): Use the hashtable instead of list-walking.
3495         (find_rtx_in_ldst): Likewise.
3496         (free_ldst_entry): Free the hashtable.
3497         (compute_ld_motion_mems): Create the hashtable.
3498         (trim_ld_motion_mems): Remove entry from hashtable if
3499         removing it from list.
3500         (compute_store_table): Likewise^2.
3501         (store_motion): Free hashtable in case we did not see
3502         any stores.
3503
3504 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
3505
3506         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3507         and arg1 if we are passing them to fold_build2.
3508
3509 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
3510
3511         PR 23828
3512         * config/i386/i386.c (ix86_function_regparm): Fix the test for
3513         a nested function.
3514
3515 2005-09-25  Richard Henderson  <rth@redhat.com>
3516
3517         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3518         SYMBOL_REF_TLS_MODEL to be correct.
3519
3520 2005-09-24  Richard Henderson  <rth@redhat.com>
3521
3522         * ipa-type-escape.c (discover_unique_type): Remove dead code at
3523         end of function.  Reindent.
3524
3525 2005-09-24  Ian Lance Taylor  <ian@airs.com>
3526
3527         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3528         NEGATE_EXPR/BIT_NOT_EXPR case.
3529
3530 2005-09-24  Richard Henderson  <rth@redhat.com>
3531
3532         * c-common.c (handle_mode_attribute): When not modifying in place,
3533         create subtypes for enumerations.
3534         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3535         * gimplify.c (create_tmp_from_val): Likewise.
3536
3537 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
3538
3539         * config/i386/i386.md (*tls_global_dynamic_64,
3540         *tls_local_dynamic_base_64): Add missing mode to call.
3541         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3542
3543 2005-09-24  Jan Hubicka  <jh@suse.cz>
3544
3545         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3546         (cgraph_clone_node): Likewise.
3547         * cgraph.h (cgraph_clone_edge): Update prototype.
3548         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3549         duplicated prototypes; add updating argument.
3550         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3551         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3552         updating profile.
3553         (cgraph_mark_inline_edge): Likewise.
3554         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3555         (cgraph_flatten_node): Likewise.
3556         (cgraph_decide_recursive_inlining): Likewise.
3557         (cgraph_decide_inlining_of_small_function): Likewise.
3558         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3559
3560 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
3561             Pete Steinmetz <steinmtz@us.ibm.com>
3562
3563         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3564         (rldic.): Set type to "compare".
3565         (rldicr.): Same.
3566         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
3567         mfjmpr for MFCTR/MFLR.
3568         (movdf_hardfloat64): Same.
3569         (movdf_softfloat64): Same.  Correct order of store and move types.
3570         (movti_string): Set type to store_ux/load_ux.
3571         (load_multiple): Set type to load_ux.
3572         (store_multiple): Set type to store_ux.
3573         (movmemsi): Set type to store_ux.
3574         (output_cbranch direct_return): Set type to jmpreg.
3575         (stmw): Set type to store_ux.
3576         (lmw): Set type to load_ux.
3577         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3578         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3579         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3580         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3581         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3582         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3583         (rios1-fpstore): Increase latency to 3.
3584         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3585         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3586
3587 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
3588             Andrew Pinski  <pinskia@physics.uc.edu>
3589
3590         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3591         operand2 constraint to "b".
3592         (sync_<fetchop_name>di_internal): Same.
3593         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3594         to "b".
3595         (sync_old_<fetchop_name>di_internal): Same.
3596         (sync_new_<fetchop_name>si_internal): Same.
3597         (sync_new_<fetchop_name>di_internal): Same.
3598
3599 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
3600
3601         PR middle-end/23991
3602         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3603         case, define as macros.
3604
3605         PR rtl-optimization/23837
3606         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
3607         clobber / clobber match between dest and p->first.
3608
3609         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3610         (no_conflict_move_test): Update comments.
3611
3612 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
3613
3614         * doc/install.texi: Update URL for Jacks.
3615         * doc/sourcebuild.texi: Likewise.
3616
3617 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
3618
3619         PR target/24007
3620         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3621         registers when choosing register preferences.
3622         (movdf_hardfloat64): Same.
3623
3624 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
3625
3626         * expmed.c (expand_shift): Don't use the target of the rotate as
3627         target for the first expanded shift insn.
3628         * testsuite/gcc.dg/20050922-1.c: Testcase added.
3629
3630 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
3631
3632         PR tree-optimization/22438
3633         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3634         preserved iv rhs rewriting specially.
3635
3636 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
3637
3638         * tree-data-ref.c (analyze_array_indexes): Only estimate when
3639         estimate_only  is true.
3640         * tree-flow.h (ref_contains_indirect_ref): New prototype.
3641         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3642         tree-ssa-structalias.c
3643         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3644         ref_contains_indirect_ref.
3645         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3646
3647 2005-09-21  DJ Delorie  <dj@redhat.com>
3648
3649         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3650         MASK_PTR_A0D0.
3651         (mn10300_return_in_memory): Support variable size types also.
3652         (mn10300_pass_by_reference): Likewise.
3653         (mn10300_function_value): New.
3654         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3655         (FUNCTION_OUTGOING_VALUE): Likewise.
3656         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3657         * doc/invoke.texi: Document it.
3658
3659 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
3660
3661         PR target/22585
3662         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3663         force integer op1 into register for XFmode compares.
3664
3665 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
3666
3667         PR middle-end/23971
3668         * expmed.c (alg_code): Add alg_impossible.
3669         (alg_hash_entry): Add cost.
3670         (synth_mult): Record alg_impossible in the hash table if
3671         multiplication by a given integer is impossble within the
3672         limit.  Speed up using alg_impossible.
3673
3674 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
3675
3676         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3677         argument.  Allow and set any offset if needs_anyoffset is passed
3678         in.
3679         (get_constraint_for): Add argument here too.
3680         Pass it down.
3681         (do_structure_copy): Pass NULL to get_constraint_for.
3682         (handle_ptr_arith): Ditto.
3683         (find_func_aliases): Ditto.
3684
3685 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
3686
3687         PR rtl-optimization/23898
3688         * output.h (get_attr_min_length): Declare.
3689         * final.c (get_attr_length_1): New function, broken out of:
3690         (get_attr_length).
3691         (get_attr_min_length): New function.
3692         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3693         (duplicate_computed_gotos): Likewise.
3694         * genattr.c (insn_min_length): Generate declaration.
3695         * genattrtab.c (min_fn, min_attr_value): New functions.
3696         (make_length_attrs): Generate insn_min_length.
3697
3698 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
3699
3700         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3701
3702 2005-09-20  Richard Henderson  <rth@redhat.com>
3703
3704         PR tree-optimization/24059
3705         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3706         EXPAND_STACK_PARM.
3707
3708 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
3709
3710         * c.opt (fextended-identifiers): New.
3711         * c-opts.c (c_common_handle_option): Handle
3712         -fextended-identifiers.
3713         * doc/cpp.texi: Update documentation of extended identifiers.
3714         * doc/cppopts.texi (-fextended-identifiers): Document.
3715
3716 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
3717
3718         PR tree-optimization/23929
3719         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3720         if expr is NULL.
3721
3722         PR tree-optimization/23818
3723         * tree-stdarg.c (execute_optimize_stdarg): Call
3724         calculate_dominance_info.
3725
3726 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
3727
3728         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3729         (analyze_siv_subscript_cst_affine): Add weak SIV test.
3730         (compute_overlap_steps_for_affine_1_2): Use
3731         get_number_of_iters_for_loop.
3732         (analyze_subscript_affine_affine): Check whether difference is
3733         zero first.
3734         Use get_number_of_iters_for_loop.
3735         Check whether overlap occurs outside of bounds.
3736         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3737
3738 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
3739
3740         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3741         base register if possible.
3742
3743 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
3744
3745         PR tree-optimization/18463
3746         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3747         converting it directly is not possible.
3748         (chrec_convert_aggressive): New function.
3749         * tree-chrec.h (chrec_convert_aggressive): Declare.
3750         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3751         Fold chrec conversions aggressively if asked to.
3752         (instantiate_parameters): Modified because of changes in
3753         instantiate_parameters_1.
3754
3755 2005-09-19  Richard Henderson  <rth@redhat.com>
3756
3757         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3758         (reduc_splus_v2df): New.
3759
3760 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
3761
3762         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3763         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
3764
3765 2005-09-19  Richard Henderson  <rth@redhat.com>
3766
3767         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3768         vcondu<SSEMODE12>.
3769
3770 2005-09-19  Richard Henderson  <rth@redhat.com>
3771
3772         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3773         (ia64_expand_dot_prod_v8qi): New.
3774         * config/ia64/ia64-protos.h: Update.
3775         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3776         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3777         sdot_prodv8qi, sdot_prodv4hi): New.
3778         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3779
3780 2005-09-19  Richard Henderson  <rth@redhat.com>
3781
3782         PR 23941
3783         * real.c (exact_real_truncate): Return false if the format cannot
3784         represent the number as a normal.
3785
3786         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3787         for a memory source.
3788
3789 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
3790
3791         * tree-ssa-operands.c (swap_tree_operands): Export.
3792         * tree.h (swap_tree_operands): Declare.
3793         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3794         Call swap_tree_operands.
3795
3796 2005-09-19  Richard Henderson  <rth@redhat.com>
3797
3798         * tree-flow.h (merge_alias_info): Declare.
3799         * tree-ssa-copy.c (merge_alias_info): Export.
3800         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3801         (vect_create_data_ref_ptr): Use create_iv directly.
3802         (vectorizable_load): Use correct types for integer constants.
3803         (vect_generate_tmps_on_preheader): Likewise.
3804         (vect_gen_niters_for_prolog_loop): Likewise.
3805
3806 2005-09-19  Steven Bosscher  <stevenb@suse.de>
3807
3808         PR rtl-optimization/23943
3809         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3810
3811 2005-09-18  Jan Hubicka  <jh@suse.cz>
3812
3813         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3814
3815 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
3816
3817         * varasm.c (output_constant): Do not abort on conversions to union
3818         types between different sizes.
3819
3820 2005-09-18  Richard Guenther  <rguenther@suse.de>
3821
3822         PR middle-end/23944
3823         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3824         fallback.
3825
3826 2005-09-18  Paul Brook  <paul@codesourcery.com>
3827
3828         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3829
3830 2005-09-17  Richard Henderson  <rth@redhat.com>
3831
3832         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3833         * tree-ssa-loop.c (pass_vect_dce): Remove.
3834         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3835         of pass_vectorize.
3836
3837 2005-09-17  Richard Henderson  <rth@redhat.com>
3838
3839         * tree-pass.h (pass_vect_dce): Declare.
3840         * passes.c (init_optimization_passes): Add it.
3841         * tree-flow.h (tree_ssa_dce): Declare.
3842         * tree-ssa-dce.c (tree_ssa_dce): Export.
3843         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3844         (gate_tree_vectorize): ... here.
3845         (pass_vect_dce): New.
3846
3847 2005-09-17  Jan Hubicka  <jh@suse.cz>
3848
3849         * except.c (struct eh_status): Turn region_array into vec.
3850         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3851         convert_from_eh_region_ranges, find_exception_handler_labels,
3852         current_function_has_exception_handlers, assign_filter_values,
3853         build_post_landing_pads, dw2_build_landing_pads,
3854         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3855         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3856         foreach_reachable_handler, can_throw_internal_1,
3857         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3858         region_array.
3859         (duplicate_eh_region_1): Update region_array.
3860         (duplicate_eh_regions): Resize region_array and avoid recomputing.
3861
3862 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
3863
3864         PR middle-end/22067
3865         * expmed.c (expand_mult): Substitute simple register for op0 when
3866         computing max_cost.
3867
3868 2005-09-17  Richard Henderson  <rth@redhat.com>
3869
3870         * expr.c (emit_move_via_integer): Add force argument, pass it on
3871         to emit_move_change_mode.  Update callers.
3872         (emit_move_complex): Pass true to new force argument.
3873         * function.c (expand_function_end): Move expand_eh_return call
3874         earlier.  Merge sub-word complex values into a pseudo before
3875         copying to the return hard register.
3876
3877 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
3878
3879         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3880         between different sizes.
3881
3882 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
3883
3884         PR 23903
3885
3886         * passes.c (init_optimization_passes): Register dump files for
3887         IPA passes first.
3888
3889 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
3890
3891         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3892         * config/s390/s390.c (s390_overlap_p): New function.
3893         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3894         peephole2, "*xc" peephole2): Added overlap check to the peephole2
3895         condition.
3896
3897 2005-09-16  Richard Guenther  <rguenther@suse.de>
3898
3899         * ipa-pure-const.c (static_execute): Free auxiliar information.
3900         * ipa-type-escape.c (discover_unique_type): Free temporary key.
3901         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3902
3903 2005-09-15  DJ Delorie  <dj@redhat.com>
3904
3905         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3906
3907 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3908
3909         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3910         to order operands.
3911         (swap_commutative_operands_with_target): New.
3912
3913 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
3914
3915         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3916         parameter.
3917         Update callers.
3918         (estimate_iters_using_array): New function.
3919         * tree-data-ref.h (estimate_iters_using_array): Prototype
3920         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3921         Use estimate_iters_using_array instead of analyze_array.
3922
3923 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
3924
3925         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3926         as addressable.
3927
3928 2005-09-15  Michael Matz  <matz@suse.de>
3929
3930         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3931
3932 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
3933
3934         PR tree-optimization/23835
3935         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3936         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3937
3938 2005-09-14  Richard Henderson  <rth@redhat.com>
3939
3940         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3941         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3942
3943 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
3944
3945         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3946         in the ARRAY_TYPE case.
3947
3948 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
3949
3950         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3951
3952 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
3953
3954         PR middle-end/22480
3955         * tree-vect-transform.c (vectorizable_operation): Return false for
3956         scalar shift operations and for vector shift operations with
3957         non-invariant shift arguments.  Use scalar tree operand op1 as
3958         a shift operand when vector shift insn pattern uses scalar shift
3959         operand.
3960         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3961
3962 2005-09-14  Olivier Hainque  <hainque@adacore.com>
3963
3964         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3965         value if it has side-effects.
3966
3967 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
3968
3969         PR target/22068
3970         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3971
3972 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
3973
3974         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3975         passed as NAME as if it were label at start of function code.
3976
3977 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
3978
3979         * config/sh/sh.md (*movv4sf_i): Add general register cases to
3980         the constraints.
3981
3982 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
3983
3984         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3985         as early clobber.  Rewrite so the PIC register is not implicitly used.
3986
3987 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3988
3989         * tree.c (annotate_with_file_line): Compare line numbers before
3990         file names.
3991
3992 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
3993
3994         PR target/23816
3995         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3996         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3997
3998 2005-09-13  Ian Lance Taylor  <ian@airs.com>
3999
4000         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4001         than a HOST_WIDEST_INT to gen_doloop_begin.
4002
4003 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
4004
4005         * tree-dfa.c (dump_variable): Guard against NULL annotations.
4006
4007 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
4008
4009         PR tree-optimize/23817
4010         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4011
4012 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
4013
4014         PR target/23774
4015         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4016         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
4017         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4018         (restore_stack_nonlocal): Likewise.
4019         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4020
4021 2005-09-12  Ian Lance Taylor  <ian@airs.com>
4022
4023         PR g++/7874
4024         * c.opt (ffriend-injection): New C++ option.
4025         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4026         (C++ Dialect Options): Document -ffriend-injection.
4027
4028 2005-09-12  Josh Conner  <jconner@apple.com>
4029
4030         PR middle-end/23237
4031         * ipa-reference.c (static_execute): Don't mark variables in
4032         named sections TREE_READONLY.
4033
4034 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
4035
4036         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4037         stack_tie.
4038
4039 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
4040
4041         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4042         V_MUST_DEF instead of just the first_use_p.
4043         Don't mark the virtual variables for renaming on the statement which
4044         is being removed.
4045         (pass_dse): Remove TODO_update_ssa.
4046
4047 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
4048
4049         PR middle-end/23290
4050         * stor-layout.c (compute_record_mode): For records with a single
4051         field, actually check the field's mode size against the type size.
4052
4053         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4054         registers for TARGET_SHMEDIA.
4055         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4056         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
4057         of GENERAL_REGS and FP_REGS.
4058
4059 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4060
4061         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4062
4063 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
4064
4065         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4066         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4067         are omitted.  Exclude stack_tie insn too.
4068
4069 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
4070
4071         PR rtl-optimization/23098
4072         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4073         0.0f is easy.
4074         * config/rs6000/rs6000.md (movdf splitter): Use
4075         const_double_operand predicate for TARGET_POWERPC64.
4076         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4077         SYMBOL_REF method to ABI_V4.
4078
4079         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4080         replace_equiv_address.
4081         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4082         rs6000_sr_alias_set and MEM_NOTRAP.
4083         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4084
4085 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
4086
4087         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4088         handle CALL_EXPR again.
4089
4090 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4091
4092         * arm/predicates.md (alignable_memory_operand): Delete.
4093
4094 2005-09-10  Richard Henderson  <rth@redhat.com>
4095
4096         PR debug/23806
4097         * dbxout.c (dbxout_expand_expr): New.
4098         (dbxout_symbol): Use it.
4099
4100 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
4101
4102         * arm.c (arm_gen_rotated_half_load): Delete.
4103         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4104         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4105         (thumb_set_return_address): Likewise.
4106         (thumb_load_double_from_address): Use adjust_address.
4107         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4108         (extendhsisi2_mem, movhi_bytes): Use change_address.
4109         (movhi): Use widen_memory_access.
4110         (reload_out_df): Use replace_equiv_address.
4111         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4112
4113 2005-09-09  Richard Henderson  <rth@redhat.com>
4114
4115         PR debug/20998
4116         * dbxout.c: Include expr.h.
4117         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4118         (dbxout_symbol): Handle DECL_VALUE_EXPR.
4119         * Makefile.in (dbxout.o): Add EXPR_H.
4120
4121 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
4122
4123         PR tree-optimization/23509
4124         * tree-cfg.c (replace_uses_by): Use replace_exp.
4125         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4126         pointers have name_mem_tag or type_mem_tag set.
4127
4128 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4129
4130         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4131         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4132         of wrongly accessing operands.
4133
4134 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4135
4136         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4137         * tree-chrec.c: Include tree-scalar-evolution.h.
4138         (chrec_convert): Instantiate the base and step before calling
4139         scev_probably_wraps_p that would fail on parametric evolutions.
4140         Collect all the fails into a single section failed_to_convert,
4141         print a diagnostic, and return chrec_dont_know instead of calling
4142         fold_convert.
4143         * tree-scalar-evolution.c (loop_closed_phi_def): New.
4144         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4145         phi nodes.
4146         (scev_const_prop): Don't replace the definition of a loop closed ssa
4147         phi node by itself, or by another loop closed ssa phi node.
4148         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4149         that base and step are defined.
4150
4151 2005-09-09  Richard Guenther  <rguenther@suse.de>
4152
4153         PR c++/23624
4154         * fold-const.c (fold_ternary): Check truth_value_p before
4155         calling invert_truthvalue.
4156
4157 2005-09-09  Nick Clifton  <nickc@redhat.com>
4158
4159         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4160         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4161         dimension of these arrays.
4162         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4163         these arrays.
4164         * longlong.h: Only provide a prototype for the __clz_tab[] array
4165         if this header has not been included from libgcc2.h.
4166         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4167         defining own types.
4168         Provide prototypes for exported functions.
4169         Use the __clz_tab[] and __popcount_tab[] arrays provided by
4170         libgcc2.c.
4171
4172 2005-09-08  Josh Conner  <jconner@apple.com>
4173
4174         PR c++/21135
4175         PR c++/23180
4176         * expr.c (expand_expr_addr_expr_1): Don't invoke
4177         expand_simple_binop for EXPAND_INITIALIZER.
4178
4179 2005-09-08  Richard Henderson  <rth@redhat.com>
4180
4181         PR debug/23190
4182         * toplev.c (wrapup_global_declaration_1): Split out ...
4183         (wrapup_global_declaration_2): ... from ...
4184         (wrapup_global_declarations): ... here.  Return bool.
4185         (check_global_declaration_1): Split out ...
4186         (check_global_declarations): from here.
4187         (emit_debug_global_declarations): New.
4188         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4189         check_global_declaration_1, emit_debug_global_declarations): Declare.
4190         * c-decl.c (c_write_global_declarations_1): Don't create a vector
4191         of decls.  Call wrapup_global_declaration_1,
4192         wrapup_global_declaration_2, check_global_declaration_1 directly.
4193         (c_write_global_declarations_2): New.
4194         (ext_block): New.
4195         (c_write_global_declarations): Call c_write_global_declarations_2.
4196         * langhooks.c (write_global_declarations): Call
4197         emit_debug_global_declarations.
4198
4199         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4200         remove decls that have DECL_RTL_SET_P.
4201         * passes.c (rest_of_decl_compilation): Invoke
4202         cgraph_varpool_finalize_decl for all but functions.
4203
4204 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4205
4206         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4207         the result of a conversion if the new min and max cannot be compared.
4208
4209 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
4210
4211         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4212         (override_options): Setting s390_sr_alias_set removed.
4213         (save_fpr, save_gprs): Set alias set to vararg or frame.
4214         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4215         s390_sr_alias_set with get_frame_alias_set ().
4216         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4217         get_varargs_alias_set ().
4218
4219 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4220
4221         PR objc/20574
4222         PR objc/19324
4223         * c-parser.c (c_parser_objc_method_definition): If the next
4224         token is not "{", error out and don't start the function.
4225
4226 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4227
4228         * tree-vrp.c (extract_range_from_expr): Move the check for non
4229         nullness after the check for gimple invariant.
4230
4231 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4232
4233         * tree.c (host_integerp, tree_low_cst): Correct function comment.
4234
4235 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4236
4237         PR target/23747
4238         * config/m32r.md (movmemsi_internal): Canonicalize order of
4239         operands in PLUS component of template.
4240
4241 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4242
4243         * reload1.c (fixup_eh_region_note): Remove assertion.
4244         (fixup_abnormal_edges): Reverted removal of call to
4245         find_many_sub_basic_blocks made on 2005-08-31.
4246
4247 2005-09-07  Richard Henderson  <rth@redhat.com>
4248
4249         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4250         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4251         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4252         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4253         rearrange for better packing.
4254         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4255         (lookup_cfa_1): Remove inline marker.
4256         (cfa_equal_p): Split out of ...
4257         (def_cfa_1): ... here.  Use INVALID_REGNUM.
4258         (build_cfa_loc): Handle !cfa->indirect.
4259         (frame_pointer_cfa_offset): New.
4260         (dbx_reg_number): Assert register elimination performed; do
4261         leaf register remapping.
4262         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4263         (eliminate_reg_to_offset): New.
4264         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
4265         for verifiably local stack frame addresses; re-base to CFA.
4266         (mem_loc_descriptor): Remove can_use_fbreg argument.
4267         (concat_loc_descriptor, loc_descriptor): Likewise.
4268         (containing_function_has_frame_base): Remove.
4269         (rtl_for_decl_location): Don't do register elimination or
4270         leaf register remapping here.
4271         (secname_for_decl): Split out from ..
4272         (add_location_or_const_value_attribute): ... here.
4273         (convert_cfa_to_loc_list): New.
4274         (compute_frame_pointer_to_cfa_displacement): New.
4275         (gen_subprogram_die): Use them.
4276         * tree.h (frame_base_decl): Remove.
4277         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4278         (prologue_stack_adjust): Remove.
4279         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4280         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4281         (set_frame_base_location): Remove.
4282         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4283         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4284         (vt_add_function_parameters): Don't eliminate_regs.
4285         (vt_initialize): Don't create frame_base_decl.
4286
4287 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4288
4289         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4290         version of GNU binutils for 4.x and later.
4291
4292 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
4293
4294         * ggc-page.c (ggc_push_context): Remove.
4295         (ggc_pop_context): Likewise.
4296         * ggc.h (ggc_push_context): Remove.
4297         (ggc_pop_context): Likewise.
4298
4299 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4300
4301         PR target/8973
4302         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4303         returning from an interrupt handler.
4304
4305 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4306
4307         PR target/8972
4308         * config/arc/arc.c (output_shift): Add check for loop count when
4309         optimizing.
4310
4311 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4312
4313         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4314         form manually.
4315         (abs_replacement): Likewise.
4316         (pass_phiopt): Remove TODO_update_ssa.
4317
4318 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4319
4320         PR c/23075
4321         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4322         if "return with no value, in function returning non-void" warning
4323         has been issued.
4324         * tree-cfg.c (execute_warn_function_return): Don't look at
4325         RETURN_EXPRs with TREE_NO_WARNING set.
4326
4327         PR target/22362
4328         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4329         for internal functions doesn't use registers used by global registers
4330         variables.  Use fewer register parameters if there are global register
4331         variables.
4332
4333 2005-09-06  Olivier Hainque  <hainque@adacore.com>
4334             Eric Botcazou  <ebotcazou@adacore.com>
4335
4336         PR middle-end/14997
4337         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4338         when we would be extracting outside its bit span (bitpos+bitsize
4339         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4340         Ada unchecked conversions.
4341
4342 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4343
4344         * tree-ssa-pre.c (try_look_through_load): New function.
4345         (compute_avail): Use it to try to look through loads for some
4346         more useful expressions.
4347
4348 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4349
4350         * simplify-rtx.c (simplify_binary_operation_1): Correct the
4351         condition for detecting cases like (a&a) and (a^a).
4352
4353 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
4354
4355         * common.opt: Add option ftree-vect-loop-version.
4356         * params.def: Add --param vect-max-version-checks.
4357         * doc/invoke.texi: Document ftree-vect-loop-version and
4358         --param vect-max-version-checks.
4359         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4360         may_misalign_stmts and defines for accessors.
4361         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4362         LOOP_VINFO_MAY_MISALIGN_STMTS.
4363         (destroy_loop_vec_info): VEC_free for
4364         LOOP_VINFO_MAY_MISALIGN_STMTS.
4365         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4366         Update documentation.
4367         (vect_update_misalignment_for_peel): New.
4368         (vect_enhance_data_refs_alignment): Update to choose loop
4369         peeling or loop versioning if appropriate for the (potentially)
4370         unaligned data references in the loop.
4371         (vect_analyze_data_refs_alignment): Remove call to
4372         vect_enhance_data_refs_alignment so the checks can be done
4373         earlier.
4374         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4375         and move up call to vect_analyze_data_refs_alignment.
4376         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4377         (vect_transform_loop): Add call to loop_version.
4378
4379 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4380
4381         PR rtl-optimization/23098
4382         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4383         * simplify-rtx.c (constant_pool_reference_p): New function.
4384         * rtl.h (constant_pool_reference_p): New prototype.
4385         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4386         constant_pool_reference_p in condition and
4387         avoid_constant_pool_reference in preparation statements.
4388
4389 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
4390
4391         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4392         STRICT_LOW_PART SETs.
4393
4394 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
4395
4396         PR middle-end/21460
4397         * except.c (sjlj_emit_function_enter): Find the function begin
4398         note even when it's not in first basic block.
4399
4400 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
4401
4402         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
4403         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4404         * aclocal.m4: Regenerate.
4405
4406 2005-09-05  DJ Delorie  <dj@redhat.com>
4407
4408         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4409         of macro.
4410
4411 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
4412
4413         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4414         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4415         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4416         Follow spelling conventions.
4417         * doc/invoke.texi: Follow spelling conventions.
4418
4419 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4420
4421         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4422         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4423         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4424
4425 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4426
4427         PR target/23683
4428         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4429         (output_stack_adjust): Use gen_tmp_stack_mem.
4430         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4431         (sh_set_return_address, sh_allocate_initial_value): Likewise.
4432         (sh_get_pr_initial_val): Likewise.
4433         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4434         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
4435         * sh.md (divsi_inv_m0): Use gen_const_mem.
4436         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4437         (movdf_i4+1): Use gen_tmp_stack_mem.
4438         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4439         (fpu_switch+2): Likewise.
4440         (movv4sf_i, movv16sf_i): Use adjust_address.
4441         (symGOT_load): Set MEM_NOTRAP_P bit.
4442
4443 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4444
4445         PR target/23721
4446         * pa.c (emit_move_sequence): Fix typo in last change.
4447
4448 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
4449
4450         PR rtl-optimization/23454
4451         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4452         is true.
4453
4454 2005-09-03  Richard Henderson  <rth@redhat.com>
4455             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4456
4457         PR middle-end/23671
4458         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4459         gen_rtx_MEM.
4460
4461 2005-09-02  Nicolas Pitre <nico@cam.org>
4462
4463         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4464         to bit_count to 32 bits.
4465
4466 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
4467
4468         PR c++/23167
4469         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4470         generating synthetic loads from volatile lvalues.
4471
4472 005-09-02  Nick Clifton  <nickc@redhat.com>
4473
4474         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4475         __ctzhi2, __clzhi2): New functions.
4476
4477 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
4478
4479         PR middle-end/23547
4480         * tree-nested.c (struct var_map_elt): Mark with GTY.
4481         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
4482         var_map_elt.
4483         (lookup_field_for_decl): Allocate new element in GC memory.
4484         (lookup_tramp_for_decl): Likewise.
4485         (convert_nl_goto_reference): Likewise
4486         (create_nesting_tree): Allocate info in GC memory. Likewise for
4487         info->var_map.
4488         (free_nesting_tree): Free with ggc_free instead of free.
4489         (root): New static variable.
4490         (lower_nested_functions): Remove root as local variable.  And zero out
4491         root at the end of the function.
4492
4493 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
4494
4495         PR rtl-optimization/20365
4496         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4497         to short.  New member ix.
4498         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4499         (simplify_plus_minus): Initialize ix members before calling qsort.
4500
4501 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
4502
4503         PR tree-optimization/23626
4504         * tree-cfg.c (replace_uses_by): Clean up eh info.
4505
4506 2005-09-01  DJ Delorie  <dj@redhat.com>
4507
4508         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4509         fprintf.
4510
4511 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
4512
4513         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4514         (rs6000_split_multireg_move): Use replace_equiv_address instead of
4515         gen_rtx_MEM.
4516
4517 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
4518
4519         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
4520         do not issue warning for a variable definition following
4521         a declaration.
4522
4523 2005-09-01  Richard Henderson  <rth@redhat.com>
4524
4525         PR 23668
4526         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4527         conversion to CONST_VECTOR.
4528
4529 2005-09-01  Richard Henderson  <rth@redhat.com>
4530
4531         PR 23676
4532         * reload1.c (reload_as_needed): Check !CALL_P before calling
4533         fixup_eh_region_note.
4534         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4535
4536 2005-09-01  DJ Delorie  <dj@redhat.com>
4537
4538         * varasm.c (output_constant): Let the target resolve
4539         conversions of addresses to non-default pointer sizes.
4540
4541 2005-09-01  Nicolas Pitre <nico@cam.org>
4542
4543         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4544         to alow matching ARM pre-indexed addressing mode.
4545         (arm_override_options): Remove now irrelevant comment.
4546
4547 2005-09-01  Phil Edwards  <phil@codesourcery.com>
4548
4549         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
4550         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
4551         * config/i386/vxworks.h:  Likewise.
4552         * config/i386/t-vxworksae:  New file, for VxWorks AE.
4553         * config/i386/vxworksae.h:  Likewise.
4554
4555 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
4556
4557         PR tree-optimization/23410
4558         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4559         sequence is not wrapping during the first step.
4560
4561 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
4562
4563         PR debug/7241
4564         * dwarf2out.c (base_type_die): Compare char_type_node with
4565         TYPE_MAIN_VARIANT (type), not type.
4566
4567 2005-09-01  Richard Guenther  <rguenther@suse.de>
4568
4569         PR tree-optimization/15366
4570         * common.opt: Add -finline-functions-called-once.
4571         Put -fearly-inlining in alphabetically ordered place.
4572         * doc/invoke.texi: Document new option.
4573         * ipa-inline.c (cgraph_decide_inlining): Honour
4574         flag_inline_functions_called_once.
4575
4576 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
4577
4578         PR rtl-optimization/23478
4579         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4580         (alloc_qty): Initialize it.
4581         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4582         (combine_regs): Combine also n_throwing_calls_crossed fields.
4583         (find_free_reg): Don't attempt to caller-save pseudos crossing
4584         calls that might throw.
4585         * global.c (struct allocno): Add throwing_calls_crossed field.
4586         (global_alloc): Revert 2005-08-22 change.  Initialize
4587         throwing_calls_crossed.
4588         (find_reg): Don't attempt to caller-save pseudos crossing calls that
4589         might throw.
4590
4591 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
4592
4593         PR target/23649
4594         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4595         (mask64_operand): Reinstate code prior to 2005-06-11 change.
4596         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4597         (and64_2_operand): Tweak to use predicate.
4598         (and_operand): Adjust for mask_operand changes.
4599         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4600         (print_operand): Likewise.
4601         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4602         (mask64_1or2_operand): Delete.
4603         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4604         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4605         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4606         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4607         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4608         (rotldi3_internal4): Likewise.
4609         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4610         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4611         (ashldi3_internal7): Likewise.
4612         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4613         (ashldi3_internal, ashldi3_internal9 split): Likewise.
4614         (anddi3 split): Don't match mask64_operand.
4615         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
4616         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
4617         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
4618         't' splitter predicate.
4619         (movdi_internal64 + 2): Revert 2005-06-11 change.
4620
4621 2005-08-31  DJ Delorie  <dj@redhat.com>
4622
4623         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4624         (m32c_asm_integer): Add support for 32 bit pointers.
4625
4626 2005-08-31  Richard Henderson  <rth@redhat.com>
4627
4628         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4629         component-like references for setting MEM_NOTRAP_P.
4630
4631         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4632         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4633
4634 2005-08-31  Richard Henderson  <rth@redhat.com>
4635
4636         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4637         into a pseudo before applying gen_lowpart.
4638
4639 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
4640
4641         * doc/install.texi (Specific): Update cctools version required
4642         for full functionality.
4643         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4644         linkers as -macosx_version_min.
4645
4646 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
4647
4648         PR target/21255
4649         * sh.c (print_operand, %R and %S): Add handling of floating point
4650         registers, memory, constants and invalid operands.
4651
4652 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
4653
4654         * ipa-pure-const.c: Change dump name.
4655
4656 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4657
4658         PR target/23570
4659         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4660         to "reg_or_0_operand".
4661         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4662
4663 2005-08-31  Dale Johannesen  <dalej@apple.com>
4664
4665         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
4666         loops that count down.
4667
4668 2005-08-31  Richard Henderson  <rth@redhat.com>
4669
4670         PR rtl-opt/23601
4671         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4672         (fixup_eh_region_note): New.
4673         (reload_as_needed): Call it.
4674         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4675         don't call find_many_sub_basic_blocks; call verify_flow_info.
4676         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4677         (keep_stack_depressed): Likewise.
4678         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4679
4680 2005-08-31  Richard Henderson  <rth@redhat.com>
4681
4682         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4683         fp return matching.
4684
4685 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
4686
4687         * expr.c (expand_expr_real_1): Compare size of address
4688         mode to target's address mode size in deciding expansion of
4689         the constant address.
4690
4691 2005-08-31  Richard Guenther  <rguenther@suse.de>
4692
4693         PR middle-end/23477
4694         * expr.c (all_zeros_p): New function.
4695         (expand_expr_real_1): Handle the case of an all-zero
4696         non-addressable constructor separately.
4697
4698 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
4699
4700         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4701         arguments, adjust all callers.
4702         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4703
4704 2005-08-30  Richard Henderson  <rth@redhat.com>
4705
4706         PR target/23630
4707         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4708         whenever the mode sizes match.
4709
4710 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
4711
4712         * calls.c (load_register_parameters): Fix comment typo.
4713         * expr.c (emit_push_insn): Comment formatting.
4714
4715 2005-08-30  Ian Lance Taylor  <ian@airs.com>
4716
4717         * config/i386/x-cygwin (host-cygwin): Change dependency from
4718         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4719
4720 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
4721
4722         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4723         parts of 'vals'.
4724
4725 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
4726
4727         PR middle-end/23408
4728         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4729         call to ggc_collect.
4730
4731 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
4732
4733         PR bootstrap/21268
4734         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4735         beginning.  Remove $(INCLUDES) from all the rules, if following
4736         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4737
4738 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
4739
4740         PR middle-end/23484
4741         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4742         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4743         not constant, but maxlen is, don't set len to maxlen, rather
4744         set maxlen to len if len is a constant.
4745
4746 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
4747
4748         PR tree-optimization/23475
4749         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4750         and counts.
4751
4752 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
4753
4754         Fix PR middle-end/22455
4755
4756         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4757         Checksum only the parts of the tree that exist for the tree code.
4758
4759 2005-08-28  Dale Johannesen  <dalej@apple.com>
4760
4761         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
4762
4763 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
4764
4765         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4766
4767 2005-08-28  Richard Henderson  <rth@redhat.com>
4768
4769         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4770         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4771         of char_type_node.
4772
4773 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
4774
4775         PR ada/23593
4776         * builtins.c (get_memory_rtx): Don't strip nops
4777         in between COMPONENT_REFs.
4778
4779 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
4780
4781         PR middle-end/23463
4782         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4783         types.
4784         (gimplify_modify_expr): Check for zero sized types and gimplify the
4785         rhs and lhs as statements.
4786
4787 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
4788
4789         PR libgcj/23508
4790         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4791         state for return address column of signal frames.
4792
4793 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
4794
4795         PR target/23539
4796         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4797         bytes >= 2 not bytes == 2.
4798         (expand_block_move): Same.
4799
4800 2005-08-27  Richard Guenther  <rguenther@suse.de>
4801
4802         PR target/23575
4803         * config/i386/sse.md (sse2_movsd): Add missing closing
4804         braces.
4805
4806 2005-08-27  Paul Brook  <paul@codesourcery.com>
4807
4808         * genrecog.c (enum decision_type): Add DT_num_insns.
4809         (struct decision_test): Add u.num_insns.
4810         (add_to_sequence): Add DT_num_insns test.
4811         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4812         (write_cond, debug_decision_2): Ditto.
4813         (change_state): Assume peep2_next_insn never fails.
4814         Remove "afterward" argument.
4815         (write afterward, write_tree): Update to match.
4816         * recog.c (peep2_current_count): New variable.
4817         (peep2_next_insn): Check it.
4818         (peephole2_optimize): Set peep2_current_count.
4819         * recog.h (peep2_current_count): Declare.
4820
4821 2005-08-26  Josh Conner  <jconner@apple.com>
4822
4823         PR middle-end/23584
4824         * ipa-pure-const.c (check_tree): Check for volatile-ness
4825         when considering a dereference.
4826
4827 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
4828
4829         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4830
4831 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
4832
4833         PR rtl-optimization/23561
4834         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
4835         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4836         at most LEN bytes long memory fits into the field.
4837         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4838         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4839         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4840
4841 2005-08-26  Richard Henderson  <rth@redhat.com>
4842
4843         PR rtl-opt/23560
4844         * loop.c (biased_biv_may_wrap_p): New.
4845         (maybe_eliminate_biv_1): Use it to suppress non-equality
4846         comparison transformations.  Delete disabled code.
4847
4848 2005-08-26  Ian Lance Taylor  <ian@airs.com>
4849
4850         * combine.c (make_extraction): Avoid reference outside object.
4851
4852 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
4853
4854         * stor-layout.c (finalize_type_size): Restore behaviour for
4855         non-aggregate types to the status quo ante of the patch for
4856         pr 23467.  Document why it matters.
4857
4858 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
4859
4860         PR c/23506
4861         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4862         array by one element, initialize the BT_LAST element with NULL.
4863
4864 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
4865
4866         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4867         optimizing for size.
4868         (plus_eqsi): Same.
4869         (compare_plus_eqsi): Same.
4870         (plus_eqsi_compare): Same.
4871         (neg_eq0<mode>): Same.
4872         (neg_eq<mode>): Same.
4873
4874         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4875         PROCESSOR_POWER4.
4876
4877 2005-08-26  Nick Clifton  <nickc@redhat.com>
4878
4879         * config/v850/v850.c (ep_memory_operand): Return FALSE if
4880         TARGET_EP is not defined.
4881         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4882         TARGET_EP is enabled.
4883         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4884         * config/v850/v850.md (save_all_interrupt): Only use the EP
4885         register if TARGET_EP is defined.
4886         (restore_all_interrupt): Likewise.
4887         * config/v850/lib1funcs.asm: Update functions so that the EP
4888         register is only used if __EP__ is defined.
4889
4890 2005-08-26  David Ung  <davidu@mips.com>
4891
4892         * config/mips/mips.c (mips_expand_prologue): Handle case when
4893         generating for MIPS16 and the outgoing argument area is more than
4894         SMALL_OPERAND. Use the frame pointer as temporary to generate the
4895         add instruction.
4896
4897 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
4898
4899         * config/crx/crx.md: Make doloop_end pattern usage controllable
4900         via mloop-nesting=<max-nesting> command line switch. Make sure
4901         the combiner cannot use doloop_end_<mode> in an illegal way.
4902         * config/crx/crx.c: Use regs up to r6 for argument passing.
4903         Refine crx_address_cost (non cst4 displacements are expensive).
4904         * config/crx/crx.opt: Add switch for mloop-nesting=.
4905
4906 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
4907
4908         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4909         (UNSPEC_MVST): New constant.
4910
4911 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
4912
4913         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4914         Reject operands containing eliminable registers.
4915         * testsuite/gcc.dg/20050825-1.c: New testcase.
4916
4917 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4918             Jan Hubicka  <jh@suse.cz>
4919
4920         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4921
4922 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4923
4924         PR tree-optimization/23546
4925         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4926         and REAL_CST nodes.
4927
4928 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
4929
4930         * params.def (PARAM_MIN_SPEC_PROB): New.
4931         * sched-rgn.c (MIN_PROBABILITY): Delete.
4932         (compute_trg_info): Convert to PARAM_VALUE.
4933         * doc/invoke.texi (param): Document min-spec-prob.
4934
4935 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
4936
4937         * config/darwin.h: define __PIC__
4938         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4939         TARGET_OS_CPP_BUILTINS macro.
4940
4941 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4942
4943         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4944         yesterday.
4945
4946 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
4947
4948         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4949         to duplicate_block.
4950         * cfghooks.c (duplicate_block): Added position where to place
4951         new block as argument.
4952         * cfghooks.h (duplicate_block): Declaration changed.
4953         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
4954         duplicate_block.
4955         * cfglayout.h (copy_bbs): Declaration changed.
4956         * cfgloop.h (loop_version): Declaration changed.
4957         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4958         position to copy_bbs.
4959         (loop_version): Pass position to duplicate_loop_to_header_edge.
4960         Add place_after argument and position new blocks according to
4961         it.
4962         * modulo-sched.c (sms_schedule): Pass place_after argument
4963         to loop_version.
4964         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4965         * tree-cfg.c (split_edge_bb_loc): New function.
4966         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4967         to determine position of new blocks.
4968         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4969         to loop_version.
4970         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4971         argument to duplicate_block.
4972         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4973         Pass position to copy_bbs.
4974
4975 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
4976
4977         * fold-const.c (ptr_difference_const): Use
4978         cst_and_fits_in_hwi instead of host_integerp.
4979
4980 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4981
4982         * config/darwin.c (gen_pic_offset): New.
4983         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
4984         Use it.
4985
4986 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
4987
4988         PR tree-optimization/23486
4989         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4990
4991 2005-08-23  Phil Edwards  <phil@codesourcery.com>
4992
4993         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
4994         remove use_collect2.
4995         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
4996
4997         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
4998         configuration files to override the default value.
4999
5000         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
5001         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5002         * config/vx-common.h:  New file, split out from...
5003         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
5004         * config/vxworksae.h:  New file, for VxWorks AE.
5005         * config/vxworks.opt:  New file.
5006         * config/vxlib.c:  Update for VxWorks 6.
5007
5008         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
5009         other MULTILIB_* variables appropriately.
5010         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
5011         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
5012         * config/rs6000/vxworks.h:  Update for VxWorks 6.
5013         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
5014
5015 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
5016
5017         PR target/20799
5018         * config/darwin.c (machopic_select_section): Remove the hack to
5019         mark "::operator new" and "::operator delete" for coalescing
5020         even though they are not weak.
5021
5022 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
5023
5024         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5025         * configure: Regenerate.
5026
5027 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
5028
5029         PR middle-end/23517
5030         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5031         between vectors.
5032         * convert.c (convert_to_integer, convert_to_vector): Likewise.
5033         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5034         Likewise.
5035
5036 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
5037
5038         * config/rs6000/predicates.md (equality_operator): New.
5039         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5040         comparison with a large constant.
5041
5042 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
5043
5044         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5045
5046 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
5047
5048         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5049         registers is even, and we have a hardware double precision fp,
5050         align the buffer.
5051         (sh_gimplify_va_arg_expr): For floating point arguments, consider
5052         size of current argument when checking if argument was passed in
5053         registers.
5054
5055         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5056
5057         PR middle-end/23467
5058         * stor-layout.c (finalize_type_size): Dont override
5059         existing alignment with a smaller alignment from the mode.
5060
5061 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5062
5063         * lambda-code.c (lambda_vector_lexico_pos): Moved...
5064         * lambda.h (lambda_vector_lexico_pos): ... here.
5065         * tree-data-ref.c (build_classic_dist_vector): Return false when
5066         the distance vector is lexicographically negative.
5067
5068 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5069
5070         PR tree-optimization/23511
5071         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5072         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5073
5074 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
5075
5076         PR tree-optimization/22043
5077         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5078         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5079         If ALLOW_FLEXARR, handle types ending with flexible array member.
5080         Pass false as second argument to recursive count_type_elements calls.
5081         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5082         argument to count_type_elements call.
5083         * tree-sra.c (decide_block_copy): Likewise.
5084         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5085         for a constant-sized object, set cleared as well.  Pass true as
5086         second argument to count_type_elements call.
5087
5088 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5089
5090         PR target/21571
5091         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5092         from legitimate_small_data_p, and make global.  Update use.
5093         Remove forward declaration.
5094         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5095         Declare.
5096         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5097
5098 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
5099
5100         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5101         of scratch intermediates.
5102         (eq<mode>_compare): Same.
5103         (neg_eq0<mode>): New.
5104         (neg_eq<mode>): Convert to define_insn_and_split.
5105
5106 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5107
5108         PR target/23070
5109         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5110         stdarg functions, set/clear the fp marker even when no variable
5111         args are passed.
5112         * config/rs6000/sysv4.opt (mprototype): Describe.
5113
5114 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
5115
5116         PR rtl-optimization/23478
5117         * regs.h (reg_info): Add throw_calls_crossed.
5118         (REG_N_THROWING_CALLS_CROSSED): Define.
5119         * flow.c (allocate_reg_life_data): Initialize
5120         REG_N_THROWING_CALLS_CROSSED.
5121         (propagate_one_insn, attempt_auto_inc): Update
5122         REG_N_THROWING_CALLS_CROSSED.
5123         * global.c (global_alloc): Don't allocate pseudos across
5124         calls that may throw.
5125
5126 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
5127
5128         PR c/18715
5129         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5130         value is inbetween the range if we did not find an exact match.
5131
5132 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
5133
5134         * doc/invoke.texi (Option Summary): Add ms1 options.
5135         * doc/extend.texi: Document interrupt handler attribute for ms1.
5136         * doc/md.texi: Document ms1 constraints.
5137         * config.gcc: Add ms1-*-elf.
5138         * config/ms1/ms1.h: New.
5139         * config/ms1/ms1.c: New.
5140         * config/ms1/ms1.md: New.
5141         * config/ms1/ms1-protos.h: New.
5142         * config/ms1/ABI.txt: New.
5143         * config/ms1/crti.asm: New.
5144         * config/ms1/crtn.asm: New.
5145         * config/ms1/lib2extra-funcs.c: New.
5146         * config/ms1/t-ms1: New.
5147         * config/ms1/ms1.opt: New.
5148
5149 2005-08-22 Ira Rosen <irar@il.ibm.com>
5150
5151         * config/rs6000/altivec.md (xorv4sf3): New.
5152         (negv4sf2, neg<mode>2): Likewise.
5153
5154 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
5155
5156         PR target/23485
5157         * config/ia64/ia64.md (divsi3): Check divide by zero.
5158         (udivsi3): Likewise.
5159         (divdi3): Likewise.
5160         (udivdi3): Likewise.
5161
5162 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
5163
5164         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5165         up to elem_bitsize bits, not max_bitsize.
5166
5167 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5168
5169         PR tree-optimization/23433
5170         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5171         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5172
5173 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5174
5175         PR tree-optimization/23434
5176         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5177         the iteration bound is not an INTEGER_CST.
5178
5179 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
5180
5181         * tree-vect-transform.c (get_initial_def_for_reduction): Set
5182         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5183         NULL if need_epilog_adjust is false.
5184         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5185         Case 3 always peels first itration, not just for PLUS case, and no need
5186         to use scalar_initial_def here. Create an epilog adjustment only if
5187         scalar_initial_def is not NULL.
5188
5189         (vectorizable_reduction): Remove assert.
5190
5191 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
5192
5193         PR target/23485
5194         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5195         (__moddi3): Likewise.
5196         (__udivdi3): Likewise.
5197         (__umoddi3): Likewise.
5198         (__divsi3): Likewise.
5199         (__modsi3): Likewise.
5200         (__udivsi3): Likewise.
5201         (__umodsi3): Likewise.
5202
5203 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
5204
5205         * tree-pass.h (TDF_GRAPH): Define.
5206         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5207         * passes.c (finish_optimization_passes): Only call
5208         finish_graph_dump_file if TDF_GRAPH is set.
5209         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5210         NULL.  Set TDF_GRAPH bit.
5211         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5212
5213 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
5214
5215         * arm.h (arm_stack_offsets): Add locals_base field.
5216         * arm.c (arm_get_frame_offsets): Compute it.
5217         (thumb_compute_initial_elimination offset): Make the Thumb frame
5218         pointer point to the base of the local variables.
5219         (thumb_expand_prologue): Update accordingly.
5220         (thumb_expand_epilogue): Likewise.
5221
5222         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
5223         mode of clobbered scratch to DImode.  Handle a case that's known to
5224         need this.
5225
5226 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
5227
5228         * config/rs6000/rs6000.md (gt0<mode>): Delete.
5229         (gt0<mode>_compare): Delete.
5230         (neg_gt0<mode>): Delete.
5231
5232 2005-08-19  Eric Christopher  <echristo@apple.com>
5233
5234         * optabs.h: Change CTI_ to COI_.
5235         * optabs.c: Ditto.
5236
5237 2005-08-19  James E Wilson  <wilson@specifix.com>
5238
5239         * builtins.c (expand_builtin_return_addr): Set
5240         current_function_accesses_prior_frames when count != 0.  Use
5241         frame_pointer_rtx when count == 0.
5242         * function.h (struct function): Add accesses_prior_frames field.
5243         (current_function_accesses_prior_frames): Define.
5244         * reload1.c (init_elim_table): Check
5245         current_function_accesses_prior_frames.
5246         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5247
5248 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5249
5250         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5251         indicator.  Return true if the flowgraph changed during
5252         cleanup.
5253
5254 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5255
5256         PR 23476
5257         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5258         conditional expression before testing its value.
5259
5260 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5261
5262         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5263
5264 2005-08-19  Devang Patel  <dpatel@apple.com>
5265
5266         PR tree-optimization/23048
5267         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5268         third parameter. Check whether latch is dominated by exit
5269         block or not.
5270         (if_convertible_loop_p): Supply exit block itself to
5271         if_convertible_bb_p.
5272
5273 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5274
5275         PR target/23473
5276         * arm.md (arm_load_pic_register): Change argument to the mask of
5277         saved registers.  Call thumb_find_work_register if we need a
5278         scratch register on Thumb.
5279         (arm_expand_prologue): Pass empty register set to
5280         arm_load_pic_register.
5281         (thumb_expand_prologue): Pass live_regs_mask directly to
5282         arm_load_pic_register.
5283         * arm-protos.h (arm_load_pic_register): Update prototype.
5284
5285 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
5286
5287         * sh.c (find_sole_member): New function.
5288         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5289         if the record's alignment is larger than the size of its only member.
5290
5291 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5292
5293         PR target/23436
5294         * arm.c (thumb_legitimize_reload_address): New function.
5295         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5296         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5297
5298 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
5299
5300         * config/crx/crx.c: Implement crx_decompose_address. Reject
5301         symbolic displacements since CRX register relative adressing
5302         mode can't handle unsigned 32-bit values as displacements.
5303         * config/crx/crx.h: Simplify definitions, remove redundant
5304         parenthesis and obsolete macros.
5305         * config/crx/crx.opt: Add new switch for debugging addresses.
5306         * config/crx/crx-protos.h: Add new declarations for above.
5307
5308 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
5309
5310         PR middle-end/20624
5311         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5312         looking past it.
5313
5314 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5315
5316         * collect2.c (dup2): Delete.
5317         * configure.ac: Don't check for dup2.
5318
5319         * config.in, configure: Regenerate.
5320
5321 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
5322
5323         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5324         record with the type of its only member.
5325
5326 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
5327
5328         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5329         define_insn_and_split.
5330         (plus_ltu<mode>_compare): Same.
5331         (gtu<mode>_compare): Same.
5332         (plus_gtu<mode>_compare): Same.
5333
5334 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
5335
5336         PR tree-optimization/22228
5337         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5338         todo_flags_start.
5339         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5340         are recorded in vect_vnames_to_rename for renaming.
5341         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5342         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5343         in vect_vnames_to_rename.
5344         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5345         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5346
5347 2005-08-18  Jan Hubicka  <jh@suse.cz>
5348
5349         PR c++/22034
5350         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5351         info only for local statics, not for member variables.
5352
5353 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5354
5355         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5356
5357 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5358
5359         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5360
5361 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
5362
5363         PR middle-end/16045
5364         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5365
5366 2005-08-17  James E Wilson  <wilson@specifix.com>
5367
5368         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5369         array size check.
5370
5371 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
5372
5373         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5374         (leu<mode>_compare): Same.
5375         (plus_leu<mode>): Same.
5376         (neg_leu<mode>): Same.
5377         (and_neg_leu<mode): Same.
5378         (ltu<mode>_compare): Same.
5379         (plus_ltu<mode>): Same.
5380         (geu<mode>): Same.
5381         (geu<mode>_compare): Same.
5382         (plus_geu<mode>): Same.
5383         (neg_geu<mode>): Same.
5384         (and_neg_geu<mode>): Same.
5385         (plus_gt<mode>): Same.
5386         (gtu<mode>_compare): Same.
5387         (plus_gtu<mode>): Same.
5388
5389 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
5390
5391         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5392         Move call_table_data to end.  Delete spurious .text.
5393         (callt_save_all_interrupt): Fix comment typo.
5394
5395 2005-08-17  James E Wilson  <wilson@specifix.com>
5396             Kevin Winchester  <winchester@amirix.com>
5397
5398         PR target/21684
5399         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5400
5401 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
5402
5403         PR target/23268
5404         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5405         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5406
5407 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
5408
5409         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5410         record with the type of its only member if the modes don't match.
5411
5412         * varasm.c (decode_reg_name): Skip empty additional register names.
5413
5414 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
5415
5416         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5417         lsm_tmp_name_length): New.
5418         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5419         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5420
5421 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5422             Andreas Krebbel  <krebbel1@de.ibm.com>
5423
5424         * config.gcc: Added z9-109 switch.
5425         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5426         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5427         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5428         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5429         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5430         for "z9_109" cpu attribute.
5431         * config/s390/s390.c (z9_109_cost): New processor cost structure.
5432         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5433         (s390_handle_arch_option): Added z9-109 switch.
5434         (override_options): Set respective cost function for z9-109.
5435         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5436         (legitimate_reload_constant_p): Accept extended immediates.
5437         (print_operand): Three new output modifiers added: k, m and o.
5438         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5439         (s390_output_mi_thunk): Use extended immediate when possible.
5440         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5441         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5442         (CONSTRAINT_LEN): Added length of O constraint.
5443         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5444         * config/s390/s390.md ("cpu"): New value z9_109 added.
5445         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5446         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5447         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5448         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5449         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5450         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5451         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5452         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5453         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5454         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5455         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5456         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5457         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5458         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5459         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5460         immediates.
5461         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5462         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5463         insns for TARGET_EXTIMM.
5464
5465 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5466
5467         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5468
5469 2005-08-17  Nick Clifton  <nickc@redhat.com>
5470
5471         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5472         Call default_encode_section_info.
5473
5474 2005-08-17  Steven Bosscher  <stevenb@suse.de>
5475
5476         PR tree-optimization/21574
5477         * tree-ssa-ccp.c (likely_value): If the right hand side is a
5478         constant, return CONSTANT.
5479         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5480         (ccp_fold, visit_assignment): Likewise.
5481         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5482
5483 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
5484
5485         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5486         fold_buildN instead of buildN then fold_initializer or fold.
5487         (build_unary_op): Likewise.
5488         (build_binary_op): Likewise.
5489         * fold-const.c (fold_initializer): Remove.
5490         (fold_build1_initializer): New function.
5491         (fold_build2_initializer): New function.
5492         (fold_build3_initializer): New function.
5493         * tree.h (fold_initializer): Remove.
5494         (fold_build1_initializer): New function.
5495         (fold_build2_initializer): New function.
5496         (fold_build3_initializer): New function.
5497
5498 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
5499
5500         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5501         (try_move_mult_to_index): Call fold_build2 instead of build2.
5502         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5503         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5504         fold_binary_to_constant.
5505         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5506         fold (build.
5507         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5508         check if A == gcd (A, B).  Remove TYPE argument.
5509         (analyze_offset) Use fold_build2 instead of fold (build.
5510         (create_data_ref): Likewise.
5511         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5512         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5513         then fold.
5514
5515 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
5516
5517         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5518         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5519
5520 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
5521
5522         PR tree-opt/23402
5523         * gimplify.c (zero_sized_type): New function.
5524         (gimplify_modify_expr_rhs): If we have a zero sized type,
5525         replace the statement with an empty statement.
5526
5527 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5528
5529         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5530         fxsave.
5531
5532 2005-08-16  Ian Lance Taylor  <ian@airs.com>
5533
5534         * doc/tm.texi (Label Output): Correct typo.
5535
5536 2005-08-16  Steven Bosscher  <stevenb@suse.de>
5537
5538         PR target/23376
5539         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5540         force_operand will work later on using have_insn_for.
5541
5542 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5543
5544         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5545
5546 2005-08-16  Ian Lance Taylor  <ian@airs.com>
5547
5548         PR c++/23337
5549         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5550         vector type, don't try to construct it element by element.  Add an
5551         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5552
5553 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5554
5555         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5556
5557 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
5558
5559         * doc/invoke.texi (Precompiled Headers): Document some more options
5560         which are known to be safe.
5561
5562 2005-08-16  James E Wilson  <wilson@specifix.com>
5563
5564         PR tree-optimization/21105
5565         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5566         TREE_OVERFLOW check.
5567
5568 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
5569
5570         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5571         (neg_ltu<mode>): Same.
5572         (gtu<mode>): Same.
5573         (neg_gtu<mode>): Same.
5574
5575 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5576
5577         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5578         (fold_builtin_isdigit): Use fold_buildN.
5579         (build_function_call_expr): Likewise.
5580         * c-typeck.c (c_finish_loop): Likewise.
5581
5582 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
5583             Richard Shann <rshann@superh.com>
5584
5585         PR middle-end/20396:
5586         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5587
5588 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
5589
5590         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5591
5592 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
5593
5594         PR target/23355
5595         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5596         arm_compure_save_reg0_reg12_mask to determine when the PIC register
5597         must be saved.
5598
5599 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5600
5601         PR middle-end/23369
5602         * fold-const.c (build_range_check): Disable optimization for function
5603         pointer expressions on targets that require function pointer
5604         canonicalization.
5605
5606 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
5607
5608         * simplify-rtx.c (simplify_const_relational_operation): When
5609         extracting arguments of a COMPARE, recompute the mode as well.
5610
5611 2005-08-15  Ian Lance Taylor  <ian@airs.com>
5612
5613         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5614
5615 2005-08-15  DJ Delorie  <dj@redhat.com>
5616
5617         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5618         the stack.
5619         (movsi_splittable): Allow, but split, moves to the stack.
5620         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5621         stack.
5622
5623 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5624
5625         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5626         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5627         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5628
5629         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5630         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5631         Delete HOST_PTR_PRINTF.
5632
5633         * configure, config.in: Regenerate.
5634
5635 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
5636
5637         * config/rs6000/rs6000.md (QHSI): New mode macro.
5638         (wd): Extend mode attr for QImode and HImode
5639         (dbits): New mode attr.
5640         (zero_extend<mode>di2): Convert to mode macro.
5641
5642 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
5643
5644         PR target/21841
5645         * doc/invoke.texi (-mgnu-ld): Update description.
5646         (-mhp-ld): Ditto.
5647
5648 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
5649
5650         PR 23391
5651         * Makefile.in (tree-chrec.o): Depends on real.h.
5652         * tree-chrec.c: Include real.h.
5653         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5654         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5655         * tree-scalar-evolution.c (add_to_evolution_1,
5656         interpret_rhs_modify_expr): Ditto.
5657
5658 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
5659
5660         PR 23386
5661         * tree-data-ref.c (estimate_niter_from_size_of_data): When
5662         step is negative compute the estimation from init downwards to zero.
5663
5664 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
5665
5666         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5667
5668 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
5669
5670         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5671         constraint.
5672         (legitimate_reload_constant_p): Fix handling of lliXX operands.
5673         Accept double-word constants that can be split.
5674         * config/s390/s390.md ("movti"): Use 'P' constraint.
5675         ("*movdi_31", "*movdf_31"): Likewise.
5676
5677 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
5678
5679         Fix PR tree-optimization/22615
5680
5681         * tree-ssa-structalias.c (solution_set_add): Handle
5682         first_vi_for_offset returning NULL.
5683         (do_da_constraint): Ditto.
5684         (do_sd_constraint): Ditto.
5685         (do_ds_constraint): Ditto
5686         (find_func_aliases): Ditto.
5687         (build_constraint_graph): RHS is allowed be ANYTHING.
5688         (first_vi_for_offset): Return NULL if we couldn't find anything at
5689         the offset.
5690
5691 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
5692
5693         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5694         over memory as first operand.
5695
5696 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
5697
5698         PR target/23360
5699         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5700         available for setting it.
5701
5702 2005-08-14  Ira Rosen  <irar@il.ibm.com>
5703
5704         PR tree-optimization/23320
5705         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5706         data-refs' types instead of base object nullness. Add check for
5707         pointer type data-refs before first location comparison. Remove
5708         assert.
5709
5710 2005-08-14  Andreas Schwab  <schwab@suse.de>
5711
5712         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5713
5714 2005-08-13  James E Wilson  <wilson@specifix.com>
5715
5716         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5717         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5718         -fstack-protector-all, --param ssp-buffer-size): Document.
5719         (-Wvariadic-macros): Alphabetize.
5720         (-fsched-stalled-insns-dep): Add missing 'f'.
5721
5722         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5723         macros.
5724
5725 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
5726
5727         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5728         or indirect address operand.
5729         (EXTRA_ADDRESS_CONSTRAINT): New.
5730         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5731
5732 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
5733
5734         PR tree-optimization/22236
5735         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5736         successors and predecessors.
5737         * tree-chrec.c (chrec_convert): Before converting, check that
5738         sequences don't wrap.
5739         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5740         (analyze_array): Extern.
5741         (find_data_references_in_loop): Remove call to
5742         compute_estimated_nb_iterations.
5743         * tree-data-ref.h (analyze_array): Declared.
5744         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5745         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5746         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5747         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5748         condition.
5749         * tree-ssa-loop-ivcanon.c: Fix documentation.
5750         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5751         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5752         (infer_loop_bounds_from_undefined): New.
5753         (estimate_numbers_of_iterations_loop): Use
5754         infer_loop_bounds_from_undefined.
5755         (used_in_pointer_arithmetic_p): New.
5756         (scev_probably_wraps_p): Pass an extra parameter.  Call
5757         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
5758         (convert_step): Fix documentation.
5759         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5760         Use initial_condition_in_loop_num and evolution_part_in_loop_num
5761         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
5762         scev_probably_wraps_p.
5763
5764 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
5765
5766         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5767         (s390_register_info): Ignore clobbered_regs information for fixed
5768         registers, and only fixed registers.
5769         (s390_init_frame_layout): Remove redundant call.
5770
5771 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
5772
5773         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5774         description of -Wold-style-casts.
5775
5776 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5777             Jakub Jelinek  <jakub@redhat.com>
5778
5779         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5780         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5781         * config/s390/s390.c (print_operand): New output modifier 'G' added.
5782         (get_thread_pointer): Renamed to s390_get_thread_pointer.
5783         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5784         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5785         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5786         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5787         ("stack_protect_set", "stack_protect_test"): New expanders.
5788         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5789         "stack_protect_testdi"): New insn definitions.
5790
5791 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5792
5793         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5794
5795 2005-08-12  Paul Brook  <paul@codesourcery.com>
5796
5797         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5798
5799 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5800
5801         * config/s390/predicates.md (setmem_operand): New predicate.
5802         (shift_count_operand): Accept ANDs with special constants as
5803         operand.
5804         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5805         with special constants.
5806         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5807         shift_count_operand with setmem_operand.
5808
5809 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5810
5811         * config/s390/s390.c (s390_extract_part, s390_single_part):
5812         Type cast added.
5813         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5814         (s390_output_mi_thunk): Don't use lg on 31 bit.
5815         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5816         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5817
5818 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5819
5820         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5821         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5822         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5823         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5824         with one of the new macros.
5825
5826 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5827
5828         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5829         Don't set save_return_addr_p.
5830         (s390_register_info): Make clobbered_regs not depending on
5831         save_return_addr_p.
5832
5833 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
5834
5835         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5836         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5837
5838 2005-08-11  James E. Wilson  <wilson@specifix.com>
5839
5840         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5841
5842 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
5843
5844         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5845         locations gathered by var-tracking in single entry loc_list
5846         over loc_descriptor_from_tree.
5847
5848         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5849         pass it down to loc_descriptor.
5850         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5851         (containing_function_has_frame_base): Move earlier in the file.
5852         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5853         instead of always assuming fbreg can't be used.
5854
5855 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
5856
5857         * config/rs6000/altivec.md: Change constraint "m" to "Z".
5858         * config/rs6000/predicates.md (indexed_or_indirect_operand):
5859         Accept address wrapped in AND for Altivec.
5860         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5861         Strip AND wrapping offset address for Altivec.
5862
5863 2005-08-11  Richard Henderson  <rth@redhat.com>
5864
5865         PR middle-end/23312
5866         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5867         before using TYPE_IS_SIZETYPE.
5868
5869 2005-08-11  Richard Henderson  <rth@redhat.com>
5870
5871         PR target/22225
5872         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5873         insn types not present on ev4.
5874         (alphaev5_insn_pipe): Similarly.
5875
5876 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5877
5878         PR target/23250
5879         * arm.c (arm_override_options): If the user has selected callee-super-
5880         interworking, then enable normal interworking.
5881
5882 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5883
5884         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5885         redefinition.
5886
5887 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
5888
5889         * doc/rtl.texi: Fix two typos.
5890
5891 2005-08-11  Richard Guenther  <rguenther@suse.de>
5892
5893         PR target/23289
5894         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5895         cases where we call to/from functions returning void.
5896
5897 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
5898
5899         PR c++/23225
5900         * tree.c (build_pointer_type_for_mode): Robustify.
5901
5902 2005-08-10  James E Wilson  <wilson@specifix.com>
5903
5904         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5905         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5906
5907         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5908         "cum->".
5909
5910 2005-08-10  Eric Christopher  <echristo@apple.com>
5911
5912         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5913         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5914         V2DFmode.
5915
5916 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
5917
5918         PR target/21887
5919         * config/darwin.c (machopic_indirect_data_reference): Use a new register
5920         for the high part when generating dynamic-no-pic code.
5921
5922 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5923
5924         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5925         (x86_64-*-linux*): Likewise.
5926
5927         * config/i386/crtfastmath.c: New file.
5928         * config/i386/t-crtfm: Likewise.
5929
5930         * config/i386/linux.h (ENDFILE_SPEC): New.
5931         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5932
5933         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5934         crtfastmath.o.
5935
5936 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
5937
5938         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5939         (vec_shl, vec_shr): Document new operations.
5940         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5941
5942 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
5943
5944         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5945         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5946         change predicate to indexed_or_indirect_address.
5947
5948 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
5949
5950         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5951         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5952         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5953         and __aeabi_uwrite8.
5954         * config/arm/unaligned-funcs.c: New file.
5955         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5956
5957 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
5958
5959         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5960         Add dump.
5961         * cfglayout.c (pass_insn_locators_initialize): Add dump.
5962         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5963         Add dump.
5964         * except.c (pass_convert_to_eh_region_ranges): Add dump.
5965         * final.c (pass_shorten_branches): Add dump.
5966         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5967         (pass_life): Rename dump.
5968         (rest_of_handle_flow2): Remove initial verify_flow_info.
5969         * function.c (pass_instantiate_virtual_regs): Add dump.
5970         * integrate.c (pass_initial_value_sets): Add dump.
5971         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5972         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5973         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5974         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5975         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5976         gate_rtl_unrool_and_peel_loops): New.
5977         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5978         rtl_doloop): Do not look at flags.
5979         * mode-switching.c (pass_mode_switching): Add dump.
5980         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5981         pass_split_before_regstack): Add dump.
5982         * regmove.c (pass_stack_adjustments): Add dump.
5983         * tree-optimize.c (pass_fixup_cfg): Add dump.
5984
5985 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5986
5987         PR 23309
5988         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5989         deciding which instruction sequence to use.
5990
5991 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
5992
5993         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5994         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5995
5996 2005-08-09  Richard Guenther  <rguenther@suse.de>
5997
5998         * c-common.c (builtin_function_2): Remove.
5999         (def_builtin_1): New function.
6000         (c_common_nodes_and_builtins): Use def_builtin_1 to
6001         build builtin functions.
6002
6003 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
6004
6005         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6006         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6007         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6008         Visual DSP.
6009
6010 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
6011
6012         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6013         fold_binary instead of fold_build2 since we don't care about the
6014         resulting tree.
6015         (loop_niter_by_eval): Likewise.
6016         (compare_trees): Likewise.
6017         (proved_non_wrapping_p): Likewise.
6018
6019 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
6020
6021         PR c/23161
6022         PR c/23165
6023         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6024         if the if is really empty.
6025
6026 2005-08-09  Steven Bosscher  <stevenb@suse.de>
6027
6028         PR tree-optimization/23234
6029         * tree-ssa-math-opts.c (place_reciprocal): New enum.
6030         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6031         argument of the new enum.
6032         (execute_cse_reciprocals): Add reciprocals for function arguments
6033         on the unique successor edge of the entry block.  Update other calls
6034         to execute_cse_reciprocals_1.
6035
6036 2005-08-08  Richard Henderson  <rth@redhat.com>
6037
6038         PR 22439
6039         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6040
6041 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
6042
6043         * expr.c (write_complex_part): Return after handling MEM.
6044
6045 2005-08-08  Josh Conner  <jconner@apple.com>
6046
6047         PR rtl-optimization/23241
6048         * combine.c (simplify_comparison): Fix error in determining
6049         whether to lift a subreg from comparison.
6050
6051 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
6052
6053         PR target/18506
6054         * config/rs6000/altivec.md (vec_init<mode>): New.
6055         (vec_set<mode>): New.
6056         (vec_extract<mode>): New.
6057         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6058         (rs6000_expand_vector_set): New.
6059         (rs6000_expand_vector_extract): New.
6060         (rs6000_legitimate_offset_address_p): Offset addresses are valid
6061         for Altivec modes before reload.
6062         (altivec_expand_vec_init_builtin): New.
6063         (get_element_number): New.
6064         (altivec_expand_vec_set_builtin): New.
6065         (altivec_expand_vec_ext_builtin): New.
6066         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6067         builtins.
6068         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6069         builtins.
6070         * config/rs6000/rs6000.h (rs6000_builtins): Add
6071         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6072         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6073         * config/rs6000/rs6000-protos.h: Declare new functions.
6074
6075 2005-08-08  Jan Hubicka  <jh@suse.cz>
6076
6077         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6078         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6079         * i386.md (movdi*): Use pic_32bit_operand.
6080         * predicates.md (pic_32bit_operand): New.
6081
6082 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
6083
6084         PR c++/21166
6085         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6086
6087 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
6088
6089         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6090         (test_for_singularity): Use fold_build2.
6091
6092 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6093
6094         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6095
6096 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
6097
6098         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6099         (COMMON_ASM_OP) Define.
6100         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6101         (ix86_encode_section_info): Likewise.
6102         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6103         SUBTARGET_ENCODE_SECTION_INFO.
6104
6105 2005-08-06  Richard Henderson  <rth@redhat.com>
6106
6107         PR 21894
6108         * tree-nested.c (convert_local_reference): Save and restore val_only
6109         around component_ref and friends.  Clear walk_subtrees by default.
6110
6111 2005-08-06  Peter O'Gorman  <peter@pogma.com>
6112
6113         PR 21366
6114         * gcc.c (process_command): Check the argument to -b has a dash.
6115         * doc/invoke.texi: Update -b and -V docs.
6116
6117 2005-08-06  James E Wilson  <wilson@specifix.com>
6118
6119         * config/mips/cross64.h, config/mips/t-cross64: Delete.
6120
6121 2005-08-06  Michael Matz  <matz@suse.de>
6122
6123         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6124         member only if only one insn is associated with the value.
6125
6126 2005-08-06  Nick Clifton  <nickc@redhat.com>
6127
6128         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6129         New define.
6130         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6131         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6132         Check symbol flags instead of symbol name mangling.
6133         (xstormy16_asm_output_aligned_common): Likewise.  Also
6134         simplify code since the bss100_section cass is the only case
6135         where the below100 code will be triggered.
6136         (xstormy16_encode_section_info): Encode below100 attribute
6137         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6138         the name.
6139         (xstormy16_strip_name_encoding): Delete - this function is no
6140         longer needed.
6141         (TARGET_STRIP_NAME_ENCODING): Undefine.
6142         * config/stormy16/stormy16-protos.h: Delete prototype for
6143         xstormy16_strip_name_encoding.
6144
6145 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
6146
6147         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6148         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6149         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6150         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6151         config/alpha/predicates.md, config/arc/arc.h,
6152         config/arm/arm.h, config/arm/ieee754-df.S,
6153         config/arm/ieee754-sf.S, config/bfin/bfin.c,
6154         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6155         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6156         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6157         config/m68hc11/m68hc11.h, config/mips/mips.c,
6158         config/mips/mips.h, config/mips/openbsd.h,
6159         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6160         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6161         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6162         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6163         config/sparc/linux.h, config/sparc/linux64.h,
6164         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6165         doc/extend.texi, doc/gcov.texi, doc/install.texi,
6166         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6167         typos.  Follow spelling conventions.
6168
6169 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
6170
6171         PR c/23113
6172         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6173         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6174         specially.  Check for side effects only for COND_EXPR.
6175         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6176         return with TREE_NO_WARNING.
6177
6178 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
6179
6180         PR rtl-optimization/23233
6181         * loop.c (combine_movables): Require the modes to be the same.
6182         (move_movables): Remove handling of cases where the replacement
6183         had a different mode to the original.
6184
6185 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
6186
6187         PR tree-optimization/23128
6188         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6189         subtraction wrap, and set TREE_OVERFLOW if they do.
6190
6191 2005-08-05  Richard Henderson  <rth@redhat.com>
6192
6193         PR 21728
6194         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6195         FORCED_LABEL labels.
6196
6197 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
6198
6199         PR middle-end/23135
6200         * reload.c (find_reloads_subreg_address): Pass down TYPE
6201         unchanged.  Change all callers except find_reloads_toplev.
6202
6203 2005-08-05  Michael Matz  <matz@suse.de>
6204
6205         * genattrtab.c (current_alternative_string): Remove.
6206         (SIMPLIFY_ALTERNATIVE): Ditto.
6207         (attr_alt_bit_p): Ditto.
6208         (alternative_name): Make const char *.
6209         (evaluate_eq_attr): Remove use of above things.
6210         (simplify_test_exp): Ditto.
6211         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6212         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6213
6214 2005-08-04  James E Wilson  <wilson@specifix.com>
6215
6216         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6217         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6218         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6219         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6220         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6221
6222 2005-08-04  Richard Henderson  <rth@redhat.com>
6223
6224         PR 21529
6225         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6226         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6227         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
6228         if we'd have to instantiate too many members.
6229
6230 2005-08-04  Richard Henderson  <rth@redhat.com>
6231
6232         PR 21291
6233         * tree-outof-ssa.c (coalesce_asm_operands): New.
6234         (coalesce_ssa_name): Use it.  Split out ...
6235         (coalesce_phi_operands, coalesce_result_decls): ... these.
6236
6237 2005-08-04  Paul Brook  <paul@codesourcery.com>
6238
6239         * read-rtl.c (read_quoted_string): Break if EOF.
6240
6241 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
6242
6243         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6244         (fold_build2): Likewise.
6245         (fold_build3): Likewise.
6246         (fold_build1_stat): New function prototype.
6247         (fold_build2_stat): Likewise.
6248         (fold_build3_stat): Likewise.
6249         * fold-const.c (fold_build1): Rename to ..
6250         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6251         through to build1_stat.
6252         (fold_build2): Rename to ..
6253         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6254         through to build2_stat.
6255         (fold_build3): Rename to ..
6256         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6257         through to build3_stat.
6258
6259 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
6260             Ian Lance Taylor  <ian@airs.com>
6261
6262         * function.c (assign_stack_local_1): Do not correct stack slot
6263         address if allocation size is smaller than mode size.
6264
6265 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
6266
6267         PR 22037
6268         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6269         (tree_merge_blocks): Propagate anything allowed by
6270         may_propagate_copy.
6271         Clarify documentation.
6272         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6273         SSA form, schedule an update if necessary.
6274
6275 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
6276
6277         * doc/install.texi (Binaries): Remove broken link to
6278         Sinix/Reliant Unix binaries.
6279
6280 2005-08-03  Richard Henderson  <rth@redhat.com>
6281
6282         PR 23221
6283         * function.c (stack_protect_epilogue): Export.
6284         * tree.h (stack_protect_epilogue): Declare.
6285         * calls.c (expand_call): Call it.
6286
6287 2005-08-03  Eric Christopher  <echristo@apple.com>
6288
6289         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6290         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6291         spec.
6292
6293 2005-08-04  Jan Hubicka  <jh@suse.cz>
6294
6295         * profile.c (branch_prob): Split edges with goto locus on them
6296         to get proper line counts.
6297         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6298
6299 2005-08-03  Paul Brook  <paul@codesourcery.com>
6300
6301         * function.c (assign_parms): Round current_function_args_size
6302         to PARM_BOUNDARY, not STACK_BOUNDARY.
6303
6304 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
6305
6306         * config/i386/i386.c (x86_elf_aligned_common)
6307         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6308
6309 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
6310
6311         PR tree-optimization/23157
6312         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6313         before emitting them.
6314
6315 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6316
6317         PR tree-optimization/19899
6318         * Makefile.in (tree-scalar-evolution.o): Add real.h.
6319         * tree-scalar-evolution.c: Include real.h.
6320         (add_to_evolution): Build constant -1 of correct type.
6321
6322 2005-08-03  Jan Hubicka  <jh@suse.cz>
6323
6324         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6325         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6326         profile updating for complette unrolling.
6327         * loop-unroll.c (peel_loop_completely): Use it.
6328         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6329         (tree_unroll_loops_completely): Disable code growing unrolling of cold
6330         loops.
6331
6332 2005-08-03  Paul Brook  <paul@codesourcery.com>
6333
6334         * combine.c (can_change_dest_mode): New function.
6335         (try_combine, simplify_set): Use it.
6336
6337 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
6338
6339         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6340         TFmode to BLKmode.
6341
6342 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
6343
6344         * doc/install.texi (Specific): Adjust link to openavr.org.
6345         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6346         (Binaries): Adjust HP-UX Porting Center link.
6347         (Binaries): Adjust Free Software Foundation ordering link.
6348
6349 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
6350
6351         * convert.c (convert_to_integer): Use fold_build1 instead of
6352         build1 when converting an integer to an integer.
6353
6354 2005-08-02  Richard Henderson  <rth@redhat.com>
6355
6356         * combine.c (combine_instructions): Don't use reg_equal/equiv
6357         results if the mode doesn't match.
6358
6359 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
6360
6361         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6362         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6363
6364 2005-08-02  Richard Henderson  <rth@redhat.com>
6365
6366         PR 23196
6367         * explow.c (memory_address): Remove special-case for
6368         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6369
6370 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
6371
6372         PR 23164
6373         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6374         number of calls to cleanup_tree_cfg_1.
6375
6376 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
6377
6378         * doc/invoke.texi: document file extensions .F90 and .F95
6379
6380 2005-08-02  Richard Guenther  <rguenther@suse.de>
6381
6382         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6383         positive if its first argument is positive.
6384
6385 2005-08-02  Richard Guenther  <rguenther@suse.de>
6386
6387         PR tree-optimization/23177
6388         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6389         on TMR_TAG.
6390
6391 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
6392
6393         PR tree-optimization/23129
6394         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6395         varying for divisions with anti-ranges.
6396
6397 2005-08-02  Jan Hubicka  <jh@suse.cz>
6398
6399         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6400         * tree-ssa-threadupdate.c (thread_block): Add it here.
6401
6402 2005-08-01  James E Wilson  <wilson@specifix.com>
6403
6404         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6405         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6406         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6407         New.
6408         * config/mips/predicates.md (const_call_insn_operand): Add check for
6409         SYMBOL_REF_LONG_CALL_P.
6410         * doc/extend.texi (long_call): Document the new attribute.
6411
6412 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6413             Richard Henderson  <rth@redhat.com>
6414
6415         * Makefile.in (RTL_BASE_H): Add real.h.
6416         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6417         instead of memcpy.
6418         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6419         directly.
6420         * rtl.c (rtl_check_failed_code_mode): New.
6421         * rtl.h (struct rtx_def): Add u.rv.
6422         (XCMWINT, XCNMPRV): New.
6423         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6424         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6425
6426 2005-08-01  Richard Henderson  <rth@redhat.com>
6427
6428         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6429         with auto-inc codes.
6430
6431         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6432
6433 2005-08-01  Jan Hubicka  <jh@suse.cz>
6434
6435         * i386-protos.h (asm_preferred_eh_data_format): Declare.
6436         * i386.c: Include dwarf2.h
6437         (asm_preferred_eh_data_format): New.
6438         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6439
6440 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6441
6442         * config/host-linux.c (linux_gt_pch_get_address): Add new name
6443         randomize_va_space for virtual address randomization control.
6444
6445 2005-08-01  Steven Bosscher  <stevenb@suse.de>
6446
6447         * common.opt (flag_ipa_cp): Put in right place to maintain
6448         alphabetic sort.
6449
6450 2005-08-01  Jan Hubicka  <jh@suse.cz>
6451
6452         * profile.c (compute_value_histograms): Fix thinko.
6453         * value-prof.c: Include toplev.h
6454         (check_counter): New function.
6455         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6456         tree_mod_subtract_transform): Add sanity check.
6457
6458 2005-08-01  Richard Guenther  <rguenther@suse.de>
6459
6460         PR tree-optimization/23133
6461         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6462         current functions parameter decls to find defs to cse
6463         reciprocals of.
6464
6465 2005-08-01  Richard Guenther  <rguenther@suse.de>
6466
6467         PR tree-optimization/23109
6468         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6469         If trapping math is in effect, use post-dominator information
6470         to check if we'd in any case reach a trapping point before
6471         doing the reciprocal insertion.
6472         (execute_cse_reciprocals): Compute post-dominators, if necessary.
6473         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6474         expressions are invariant only if trapping math is not in effect.
6475
6476 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
6477
6478         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6479         cgraph_function_versioning): New declarations.
6480         * cgraphunit.c: Add include to ipa-prop.h.
6481         (update_call_expr, cgraph_copy_node_for_versioning,
6482         cgraph_function_versioning): New functions.
6483         * integrate.c (copy_decl_for_inlining): Remove.
6484         * ipa-prop.h (ipa_replace_map): New struct.
6485         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6486         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6487         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6488         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6489         ipcp_iterate_stage, ipcp_method_scale_print,
6490         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6491         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6492         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6493         ipcp_update_bb_counts, ipcp_update_profiling,
6494         ipcp_update_edges_counts): New functions.
6495         (ipcp_method_cval_init): Remove restriction regarding local methods.
6496         (ipcp_init_stage): Add ipcp_method_compute_scale.
6497         (ipcp_insert_stage): Add versioning.
6498         (ipcp_structures_print): Add ipcp_method_scale_print.
6499         (ipcp_driver): Dump profiling info.
6500         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6501         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6502         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6503         (struct inline_data): Add versioning_p, ipa_info, new fields.
6504         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6505         declare_return_variable): Replace calls to copy_decl_for_inlining with
6506         copy_decl_for_dup.
6507         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6508         versioning support.
6509         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6510         Add argument VERSIONING.
6511         (copy_arguments_for_versioning, copy_static_chain,
6512         function_versionable_p, tree_versionable_function_p,
6513         tree_function_versioning, replace_ref_tree): New functions.
6514         * tree-inline.h: Include varray.h.
6515         (tree_versionable_function_p,  tree_function_versioning,
6516         tree copy_decl_for_dup): New declarations.
6517
6518 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
6519
6520         * ipa-cp.c: New file. Contains IPCP specific functionality.
6521         * ipa-prop.h: New file. Contains structures/definitions that can be
6522         used by several interprocedural data flow optimizations (and also IPCP).
6523         * ipa-prop.c: New file.
6524         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6525         * common.opt: Add ipa-cp flag.
6526         * timevar.def: Add IPCP optimization.
6527         * tree-optimize.c (init_tree_optimization_passes): Schedule
6528         pass_ipa_cp.
6529         * tree-pass.h (pass_ipa_cp): Declare.
6530
6531 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
6532
6533         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6534         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6535         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6536         config/i386/i386.c, config/mips/mips.h,
6537         config/rs6000/rs6000.h, config/sh/sh.c,
6538         config/stormy16/stormy16.c: Fix comment typos.
6539
6540 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
6541
6542         PR c/22311
6543         * c-typeck.c (build_binary_op): Use common_type wrapper on
6544         shortened types.
6545         (common_type): Update comment.
6546
6547 2005-07-31  Steven Bosscher  <stevenb@suse.de>
6548
6549         PR target/23095
6550         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6551         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6552         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6553
6554 2005-07-31  Jan Hubicka  <jh@suse.cz>
6555
6556         * pretty-print.h (pp_widest_integer): New macro.
6557         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6558         counts.
6559
6560 2005-07-31  Jan Hubicka  <jh@suse.cz>
6561
6562         * output.h (enum section_category): Export from varasm.c
6563         (categorize_decl_for_section): Likewise.
6564         * varasm.c (enum section_category): Kill.
6565         (categorize_decl_for_section): Make global.
6566         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6567         Declare.
6568         * i386.c (ix86_section_threshold): New static variable.
6569         (ix86_in_large_data_p, ix86_encode_section_info,
6570         x86_64_elf_unique_section,
6571         x86_64_elf_select_section): New functions.
6572         (TARGET_ENCODE_SECTION_INFO): Define
6573         (override_options): Enable medium model for PIC.
6574         (ix86_expand_prologue): Expand gen_set_got_rex64.
6575         (legitimate_constant_p): Handle new UNSPECs.
6576         (legitimate_pic_address_disp_p): Likewise.
6577         (legitimize_pic_address): Lower MEDIUM model addressing.
6578         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6579         (enum cmodel): Add MEDIUM_PIC.
6580         (SYMBOL_REF_FAR_ADDR_P): New macro.
6581         (SYMBOL_FLAG_FAR_ADDR): New flag.
6582         * i386.md (movdi): Support medium model.
6583         (set_got_rex64): New pattern.
6584         * i386.opt (mlarge-data-threshold): New flag.
6585         * predicates.md (zext_operand/sext_operand): Deal with medium model.
6586         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6587         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6588         TARGET_ASM_UNIQUE_SECTION): New.
6589
6590         * invoke.texi (-mlarge_data_threshold): Document
6591
6592 2005-07-31  Jan Hubicka  <jh@suse.cz>
6593
6594         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6595         (coalesce_vars): Likewise.
6596         * tree-ssa-live.c (coalesce_cost): New.
6597         (build_tree_conflict_graph): Use coalesce_cost.
6598         * tree-ssa-live.h (coalesce_cost): Declare.
6599
6600 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6601
6602         * arm.md (all peepholes for post-increment operations): Delete.
6603         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6604         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6605         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6606         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6607         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6608
6609 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
6610
6611         * fold-const.c (tree_expr_nonnegative_p): Always return true for
6612         non-integral types.
6613
6614 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
6615
6616         PR target/22582
6617         * doc/invoke.texi: Document -rdynamic.
6618
6619 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
6620
6621         PR c/23143
6622         * c-parser.c (c_parser_parms_list_declarator): Call
6623         mark_forward_parm_decls.
6624         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6625         decls with visibility structure.
6626
6627 2005-07-30  Paul Brook  <paul@codesourcery.com>
6628
6629         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6630
6631 2005-07-30  Paul Brook  <paul@codesourcery.com>
6632
6633         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6634         prototype.
6635         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6636         value for mode.
6637         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6638
6639 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6640
6641         PR c/529
6642         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6643         nested function declarators.
6644         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6645         (grokparms): Call warn_if_shadowing for parameters used within the
6646         parameter list.
6647         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6648         not used within the parameter list.
6649         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6650
6651 2005-07-30  Jan Hubicka  <jh@suse.cz>
6652
6653         * expr.c (expand_expr_real_1): Do not load mem targets into register.
6654         * i386.c (ix86_fixup_binary_operands): Likewise.
6655         (ix86_expand_unary_operator): Likewise.
6656         (ix86_expand_fp_absneg_operator): Likewise.
6657         * optabs.c (expand_vec_cond_expr): Validate dest.
6658
6659 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6660
6661         PR c/21720
6662         * real.c (real_from_string): Also set last bit if there is a
6663         nonzero hex digit beyond GCC's internal precision after ".".
6664
6665 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
6666
6667         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6668         define_constants.  Change duplicate values to unassigned numbers.
6669         Change UNSPEC_SUBS to UNSPEC_VSUBS.
6670         (*altivec_vspltsf): New.
6671         (altivec_vperm_v4sf): Delete.
6672         (altivec_vperm_<mode>): Use mode macro V.
6673         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6674         (altivec_predicate_v4sf): Delete.
6675         (altivec_predicate_<mode>): Use mode macro V.
6676         (*altivec_lvesfx): New.
6677         (*altivec_stvesfx): New.
6678         (vec_realign_load_v4sf): Delete.
6679         (vec_realign_load_<mode>): Use mode macro V.
6680         * config/rs6000/rs6000.c (generate_set_vrsave): Use
6681         UNSPECV_SET_VRSAVE.
6682
6683 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
6684
6685         PR bootstrap/23131
6686         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6687         string.
6688         * configure: Regenerated.
6689
6690 2005-07-29  Paul Brook  <paul@codesourcery.com>
6691
6692         * doc/install.texi: Add link to GFortran binaries wiki page.
6693
6694 2005-07-29  David Ung  <davidu@mips.com>
6695
6696         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6697         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6698         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6699         * config/mips/mips.md (cpu): Add 5kf name.
6700         (includes): Includes 5k.md.
6701         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6702         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6703         -march flag.
6704
6705 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
6706
6707         PR 22550
6708         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6709         (cleanup_tree_cfg): ... here.
6710         Call cleanup_tree_cfg_1 until there are no more cleanups to
6711         do.
6712
6713 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
6714
6715         * tree-vrp.c (compare_range_with_value): Return true or false
6716         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6717         EQ_EXPR respectively.
6718
6719 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
6720
6721         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6722         Fix comment typos.
6723
6724 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
6725
6726         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6727         (tree_ssa_dominator_optimize): Increment it.
6728         (dump_dominator_optimization_stats): Print it.
6729
6730 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
6731             Steven Bosscher  <stevenb@suse.de>
6732
6733         PR rtl-optimization/23117
6734         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6735         when head == tail.  Tidy comment.
6736
6737 2005-07-28  Richard Henderson  <rth@redhat.com>
6738
6739         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6740         * cselib.c (rtx_equal_for_cselib_p): Likewise.
6741         * jump.c (rtx_renumbered_equal_p): Likewise.
6742         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6743         CONST_INT and CONST_DOUBLE.
6744         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6745         * reload.c (operands_match_p): Special case CONST_INT and
6746         CONST_DOUBLE; check mode earlier.
6747
6748 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6749
6750         PR c/22240
6751         * c-typeck.c (convert_for_assignment): Do not check
6752         DECL_IN_SYSTEM_HEADER on NULL fundecl.
6753
6754 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6755
6756         PR c/22192
6757         * c-typeck.c (composite_type): Prefer constant size arrays to
6758         VLAs.
6759
6760 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6761
6762         PR c/21720
6763         * real.c (real_from_string): Set last bit if there is a nonzero
6764         hex digit beyond GCC's internal precision.
6765
6766 2005-07-28  Richard Henderson  <rth@redhat.com>
6767
6768         PR rtl-opt/22619
6769         * cfgcleanup.c (try_forward_edges): Watch out for end of
6770         insn chain.
6771
6772 2005-07-28  James E Wilson  <wilson@specifixinc.com>
6773
6774         PR c/23106
6775         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6776
6777 2005-07-28  Jan Hubicka  <jh@suse.cz>
6778
6779         * Makefile.in (rtl-profile.o): Kill all traces of it.
6780         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6781         * coverage.h (rtl_coverage_counter_ref): Kill.
6782         * opts.c (flag_speculative_prefetching_set): Kill.
6783         (flag_loop_optimize_set): New.
6784         (common_handle_option): Disable loop optimizer when profiling;
6785         do not handle speculative prefetching.
6786         * passes.c (init_optimization_passes): Replace pass_profiling combo
6787         by branch_prob pass.
6788         * profile.c (compute_value_histograms): Update for simplified value
6789         profiles.
6790         (rtl_register_profile_hooks): Kill.
6791         (pass_profiling): Kill.
6792         (rest_of_handle_branch_prob): Do not profile.
6793         * toplev.c (process_options): Remove speculative prefetching.
6794         * toplev.h (flag_tree_based_profiling): Kill.
6795         * tree-profile.c (prepare_instrumented_value,
6796         tree_gen_interval_profiler, tree_gen_pow2_profiler,
6797         tree_gen_one_value_profiler, do_tree_profiling): Update for
6798         simplified datastructures.
6799         * value-prof.c: Add comment that speculative prefetching was dropped;
6800         update rest of file for simplified datastructures.
6801         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6802         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6803         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6804         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6805         rtl_mod_subtract, gen_speculative_prefetch,
6806         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6807         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6808         (gate_handle_value_profile_transformations,
6809         rest_of_handle_value_profile_transformations,
6810         pass_value_profile_transformations): Kill.
6811         * value-prof.h (histogram_value_t): Remove IL based unions.
6812         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6813         rtl_profile_hooks): Remove hooks.
6814
6815         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6816
6817         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6818         (cgraph_clone_node): Likewise.
6819         * cgraph.h (cgraph_clone_edge): Update prototype.
6820         (cgraph_clone_node): Likewise.
6821         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6822         cgraph_clone_node.
6823         (lookup_recursive_calls): Consider profile.
6824         (cgraph_decide_recursive_inlining): Fix updating; use new
6825         probability argument; use profile.
6826         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6827         * tree-inline.c (copy_bb): Update clal of clone_edge.
6828         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6829
6830         * invoke.texi (min-inline-recursive-probability): Document.
6831
6832 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
6833
6834         * doc/install.texi (Configuration): Update Valgrind homepage.
6835
6836 2005-07-28  Richard Henderson  <rth@redhat.com>
6837
6838         PR middle-end/21362
6839         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6840         labels we want to delete.
6841         (cfg_layout_merge_blocks): Likewise.
6842
6843 2005-07-28  Richard Henderson  <rth@redhat.com>
6844
6845         PR target/17692
6846         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6847         when expanding to nothing.
6848
6849 2005-07-28  Josh Conner  <jconner@apple.com>
6850
6851         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6852         (cgraph_decide_inlining_of_small_functions): Likewise.
6853
6854 2005-07-28  Josh Conner  <jconner@apple.com>
6855
6856         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
6857         direction of badness if negative.
6858         (cgraph_default_inline_p): Add reason to parameters, and assign it
6859         a value.
6860         (cgraph_decide_inlining_of_small_functions): New parameter in call
6861         to cgraph_default_inline_p.
6862         (cgraph_decide_inlining_incrementally): Likewise.
6863         * cgraphunit.c (decide_is_function_needed): Likewise.
6864         * cgraph.h (cgraph_default_inline_p): Likewise.
6865
6866 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6867
6868         * builtins.c: Fix comment typo(s).
6869         * genautomata.c: Likewise.
6870         * gimplify.c: Likewise.
6871         * tree-dfa.c: Likewise.
6872         * tree-flow-inline.h: Likewise.
6873         * tree-into-ssa.c: Likewise.
6874         * tree-ssa-alias.c: Likewise.
6875         * tree-ssa-ccp.c: Likewise.
6876         * tree-ssa-copy.c: Likewise.
6877         * tree-ssa-dce.c: Likewise.
6878         * tree-ssa-dom.c: Likewise.
6879         * tree-ssa-operands.c: Likewise.
6880         * tree-tailcall.c: Likewise.
6881         * tree-vectorizer.c: Likewise.
6882         * tree-vrp.c: Likewise.
6883         * tree.c: Likewise.
6884
6885 2005-07-28  Jeff Law  <law@redhat.com>
6886
6887         * tree-vrp.c (test_for_singularity): Extracted from  ...
6888         (simplify_cond_using_ranges): Attempt to simplify a relational
6889         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
6890
6891 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
6892
6893         PR tree-optimization/22506
6894         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6895         phis whose argument is constant.
6896
6897 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
6898
6899         PR rtl-optimization/18992
6900         Back out this patch:
6901           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6902           PR optimization/12142
6903           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6904           uses of the register in the SET_SRC.  Remove unnecessary argument.
6905
6906         Replace it with this:
6907         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6908         if flag_non_call_exceptions is set and the insn may trap, pass
6909         pc_rtx as dest for recursion.
6910         In SET_SRC part of SET case, if dest is already set, pass it down
6911         unchanged.
6912
6913 2005-07-28  Jan Hubicka  <jh@suse.cz>
6914
6915         * cfg.c (update_bb_profile_for_threading): Use RDIV.
6916         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6917         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6918         roundoff errors.
6919         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6920         profile when available.
6921
6922 2005-07-28  Jan Beulich <jbeulich@novell.com>
6923
6924         * config/ia64/ia64.c (ia64_load_pair_ok): New.
6925         (ia64_print_operand): Describe and handle 'X'.
6926         (ia64_register_move_cost): Also handle FP_REGS.
6927         (ia64_preferred_reload_class): Likewise.
6928         (ia64_secondary_reload_class): Likewise.
6929         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6930         it. Also check for ITANIUM_CLASS_FLDP.
6931         * config/ia64/ia64.h (FP_REGNO_P): New.
6932         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6933         (reg_class): Add FP_REGS.
6934         (REG_CLASS_NAMES): Adjust for it.
6935         (REG_CLASS_CONTENTS): Likewise.
6936         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6937         (REG_CLASS_FROM_LETTER): Handle 'x'.
6938         (CLASS_MAX_NREGS): Handle FP_REGS.
6939         (MEMORY_MOVE_COST): Likewise.
6940         * config/ia64/ia64.md (itanium_class): Add fldp.
6941         (type): Handle fldp.
6942         (movti_internal): More allowable operand combinations. Use ldfp8 when
6943         splitting unnecessary. Remove predicable attribute. Adjust
6944         itanium_class attribute.
6945         (smuldi3_highpart): Remove outdated comment.
6946         (mulditi3, umulditi3, rotlti3): New expanders.
6947         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6948         (absti2): Disabled new insn for future reference.
6949         Respective new splitters.
6950         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6951         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6952         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6953
6954 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
6955
6956         PR rtl-optimization/23047
6957         * simplify-rtx.c (simplify_const_relational_operation): Respect
6958         flag_wrapv for comparisons with ABS.
6959
6960 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
6961
6962         PR tree-optimization/22493
6963         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6964         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6965
6966 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
6967
6968         * config/frv/frv.opt (moptimize-membar): New.
6969
6970         * doc/invoke.texi: Document -moptimize-membar and its inverse.
6971
6972         * config/frv/frv.h: Remove machine_function definition.
6973
6974         * config/frv/frv.c (struct frv_io): New.
6975         (struct machine_function): Moved from frv.h.  Add has_membar_p.
6976         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6977         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6978         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6979         (frv_optimize_membar_global, frv_optimize_membar): New functions.
6980         (frv_reorg): Call frv_optimize_membar when appropriate.
6981         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6982         (frv_expand_builtin): Adjust calls accordingly.
6983         (frv_io_address_cookie): New function.
6984         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6985         load or store rather than a special insn.  Add ccnstant address and
6986         io-type operands to the membar.
6987         (frv_ifcvt_modify_tests): Unsign regno.
6988         (frv_ifcvt_modify_tests): Same.
6989
6990         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
6991         UNSPEC_OPTIONAL_MEMBAR constant.
6992         (builtin_read_<mode>): Delete.
6993         (builtin_write_<mode>): Delete.
6994         ("optional_membar_<mode>"): Add operand.
6995
6996         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6997         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6998         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6999         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7000         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7001         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7002         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7003         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7004         * testsuite/gcc.target/frv/all-read-write-1.c: New.
7005
7006 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7007
7008         * df.c (df_uses_record): Handle SCRATCH.
7009
7010 2005-07-28  Steven Bosscher  <stevenb@suse.de>
7011
7012         PR debug/20161
7013         * passes.c (rest_of_decl_compilation): If decl is a type and
7014         we have encountered errors, don't emit debug information.
7015
7016 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
7017
7018         * params.def: Fixed comment.
7019
7020 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
7021
7022         PR target/19885
7023         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7024         (TARGET_ASM_UNALIGNED_HI_OP): Add.
7025         (TARGET_ASM_UNALIGNED_SI_OP): Add.
7026
7027 2005-07-27  Steven Bosscher  <stevenb@suse.de>
7028
7029         PR c++/22003
7030         * varasm.c (assemble_start_function): Don't do anything that may
7031         require a CFG if the current function is a thunk.
7032
7033 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
7034
7035         * doc/install.texi (Prerequisites): Mention that perl is needed
7036         to do export control in libstdc++ targetting Darwin.
7037
7038 2005-07-27  Steven Bosscher  <stevenb@suse.de>
7039
7040         PR rtl-optimization/17808
7041         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7042         (sched_insns_conditions_mutex_p): Split out from...
7043         (add_dependence): ...here.  But don't call it from here.
7044         (add_dependence_list): Check sched_insns_conditions_mutex_p
7045         before calling add_dependence.
7046         (add_dependence_list_and_free): Likewise.
7047         (fixup_sched_groups): Likewise.
7048         (sched_analyze_1): Likewise.
7049         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7050         (sched_analyze): Likewise.
7051         (sched_analyze_insn): Likewise.
7052         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7053         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
7054         dependencies on all COND_EXEC insns to jumps ending basic blocks
7055         when doing intrablock scheduling.
7056         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7057
7058 2005-07-27  Jeff Law  <law@redhat.com>
7059
7060         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7061         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
7062         equivalency sets, correctly handle the case were vr0 has an
7063         equivalency set, but vr1 does not.
7064
7065 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
7066
7067         PR tree-optimization/23073
7068         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7069         vect_print_dump_info before fprintf.
7070
7071 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7072
7073         PR tree-optimize/22348
7074         * tree-ssa-loop-niter.c (number_of_iterations_cond):
7075         Fold the partial computation.
7076
7077 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7078
7079         PR tree-optimization/22325
7080         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7081         Declare.
7082         * tree-scalar-evolution.c (scev_const_prop): Add generic final
7083         value replacement.
7084         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7085         (force_var_cost): ... this function.
7086         (compute_phi_arg_on_exit): Export.
7087
7088 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7089
7090         PR tree-optimization/20773
7091         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7092         edge.
7093
7094 2005-07-27  Richard Guenther  <rguenther@suse.de>
7095
7096         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7097         Avoid pushing again if current struct contains only
7098         fields we decomposed.
7099
7100 2005-07-27  Jan Hubicka  <jh@suse.cz>
7101
7102         PR tree-optimization/22574
7103         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7104         not available.
7105
7106         * tree-tailcall.c (decrease_profile): New function.
7107         (eliminate_tail_call): Use it.
7108
7109         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7110         visibility flags correctly in whole program mode.
7111
7112 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
7113
7114         PR rtl-optimization/22472
7115         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7116
7117 2005-07-26  Steven Bosscher  <stevenb@suse.de>
7118
7119         PR tree-optimization/22504
7120         * tree-complex.c (expand_complex_addition): Use 'code' instead
7121         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7122
7123 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7124
7125         * config.gcc (cpu_type): Add frv case.
7126         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7127         (supported_defaults): Add fr550 case.
7128
7129 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
7130
7131         PR 22591
7132         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7133         whether a pointer of type T * may point to objects of type T *.
7134
7135 2005-07-26  DJ Delorie  <dj@redhat.com>
7136
7137         * configure: Regenerate.
7138
7139 2005-07-26  Dale Johannesen  <dalej@apple.com>
7140
7141         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
7142
7143 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
7144
7145         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7146         Clarify use of "build" in name.
7147
7148 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7149
7150         * doc/extend.texi (Raw read/write Functions): New section.
7151         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7152         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7153         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7154         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7155         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7156         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7157         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7158         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7159         * config/frv/frv.c: Add bdesc_loads global.
7160         Add bdesc_stores global.
7161         (frv_init_builtins): Add support for __builtin_{read/write}*.
7162         (frv_volatile_memref): New.
7163         (frv_expand_load_builtin): New.
7164         (frv_expand_store_builtin): New.
7165         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7166         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7167         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7168         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7169         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7170         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7171         (builtin_read_<mode>): New.
7172         (builtin_write_<mode>): New.
7173         (builtin_write64): New.
7174         (optional_membar_<mode>): New.
7175
7176 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
7177
7178         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7179         (rather than units) against HOST_BITS_PER_WIDE_INT.
7180
7181 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
7182
7183         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7184         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7185         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7186         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7187         FSF address.
7188
7189         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7190         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7191         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7192         comment typos.
7193         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7194
7195 2005-07-26  Richard Guenther  <rguenther@suse.de>
7196
7197         PR tree-optimization/22486
7198         * fold-const.c (fold_unary): Fold away useless component
7199         references of the form (T *)&T.x, if the address
7200         doesn't change.
7201
7202 2005-07-25  James E Wilson  <wilson@specifixinc.com>
7203
7204         * dwarf2out.c (add_call_src_coords_attributes): New.
7205         (gen_inlined_subroutine_die): Call it.
7206         (maybe_emit_file, init_file_table): Add comments.
7207         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7208         maybe_emit_file.
7209         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7210         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7211         * tree.h (BLOCK_SOURCE_LOCATION): New.
7212         (struct tree_block): New field locus.
7213
7214 2005-07-26  Andreas Schwab  <schwab@suse.de>
7215
7216         PR rtl-optimization/23043
7217         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7218         when allocating a struct unoccr.
7219
7220 2005-07-25  Richard Henderson  <rth@redhat.com>
7221
7222         PR 22626
7223         * tree-complex.c (gate_no_optimization): True if errors.
7224         * Makefile.in (tree-complex.o): Update dependencies.
7225
7226 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
7227
7228         * config/frv/predicates.md (integer_register_operand): Use
7229         GPR_AP_OR_PSEUDO_P.
7230
7231 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7232
7233         PR tree-opt/22484
7234         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7235         after fold.
7236         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7237
7238 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7239
7240         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7241         types when flag_unsafe_math_optimizations is true.
7242
7243 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
7244
7245         * gcc.c (option_map): Add --sysroot.
7246         (process_command): Handle --sysroot.
7247         (display_help): Document it.
7248         * doc/cppopts.tex (-isysroot): Document.
7249         * doc/invoke.texi (--sysroot): Document.
7250         * doc/install.texi (--with-build-sysroot): Document.
7251
7252         * Makefile.in (inhibit_libc): New variable.
7253         (INHIBIT_LIBC_CFLAGS): Likewise.
7254         (LIBGCC2_CFLAGS): Include
7255         $(INHIBIT_LIBC_CFLAGS).
7256         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7257         ($(T)crtbegin.o): Do not use @inhibit_libc@.
7258         ($(T)crtend.o): Likewise.
7259         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7260         ($(T)crtendS.o): Likewise.
7261         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7262         ($(T)crtendT.o): Likewise.
7263         (stmp-fixinc): Do not complain about missing headers if
7264         inhibit_libc.
7265         * configure.ac (inhibit_libc): Set it to true/false.
7266         (--with-build-sysroot): New option.  Use it to set
7267         SYSTEM_HEADER_DIR.
7268         * configure: Regenerated.
7269
7270 2005-07-25  Manfred Hollstein  <mh@suse.com>
7271
7272         * calls.c (store_one_arg): Fix unsigned comparison warning.
7273
7274 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7275
7276         PR other/22337
7277         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7278         (ggc_print_statistics): Initialize variable before use.
7279
7280 2005-07-25  Richard Guenther  <rguenther@suse.de>
7281
7282         * tree-dfa.c (mark_new_vars_to_rename): Protect against
7283         calling with a PHI_NODE argument.
7284
7285         * tree-flow-inline.h (overlap_subvar): Protect against
7286         possible overflow.
7287
7288 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
7289
7290         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7291         * configure: Regenerate.
7292
7293 2005-07-25  Ira Rosen  <irar@il.ibm.com>
7294
7295         * expr.c (highest_pow2_factor): Make extern.
7296         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7297         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7298         record_array_differ_p, array_ptr_differ_p): Likewise.
7299         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7300         additional cases. Call the above functions.
7301         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7302         base_object_differ_p when there are two base objects. Otherwise, compare
7303         base address and offset. Call may_alias_p.
7304         (dump_data_reference): Use a correct field name.
7305         (analyze_array): Make static. Initialize new data-ref fields.
7306         (analyze_indirect_ref): New function.
7307         (init_data_ref): Initialize new data-ref fields.
7308         (strip_conversion): Moved from tree-vect-analyze.c.
7309         (analyze_offset_expr, get_ptr_offset, address_analysis,
7310         object_analysis): Likewise.
7311         (analyze_offset): New function.
7312         (create_data_ref): Likewise.
7313         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7314         dimensions for ARRAY_REFs only.
7315         (build_classic_dist_vector): Make static.
7316         (access_functions_are_affine_or_constant_p): Call macro to get the
7317         address of access functions.
7318         (compute_all_dependences): Add new parameter
7319         compute_self_and_read_read_dependences. Compute self and read-read
7320         dependences if it is true.
7321         (find_data_references_in_loop): Call create_data_ref. Initialize new
7322         data-ref fields.
7323         (compute_data_dependences_for_loop): Add new parameter
7324         compute_self_and_read_read_dependences. Remove parameter nb_loops,
7325         compute nb_loops. Call compute_all_dependences,
7326         build_classic_dist_vector and build_classic_dir_vector with correct
7327         parameters.
7328         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7329         with correct parameters. Compare dimensions for ARRAY_REFs only.
7330         (free_data_refs): Call macro to free access functions.
7331         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7332         fields from stmt_vinfo.
7333         (struct base_object_info): New structure.
7334         (struct data_reference): Move fields to base_object_info. Add fields
7335         first_location and object_info for above structures. Move fields from
7336         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7337         aligned_to.  Add macros to access the new fields.
7338         Update functions declarations.
7339         * tree-flow.h (is_aliased_with): Declare.
7340         * tree-loop-linear.c (linear_transform_loops): Call
7341         compute_data_dependences_for_loop with correct parameters.
7342         * tree-ssa-alias.c (is_aliased_with): New function.
7343         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7344         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7345         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7346         vect_base_addr_differ_p, compute_subscript_distance and
7347         build_classic_dist_vector. Add printings. Check absolute value of
7348         distance.
7349         (vect_analyze_data_ref_dependences): Go through ddrs instead of
7350         data-refs.
7351         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7352         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7353         to bytes. Add printing.
7354         (vect_compute_data_refs_alignment): Go through loads and stores in one
7355         loop.
7356         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7357         vect_analyze_data_ref_access): Likewise.
7358         (vect_analyze_pointer_ref_access): Remove.
7359         (vect_address_analysis, vect_object_analysis): Likewise.
7360         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7361         and analyze data-refs in the loop.
7362         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7363         fields of data-ref instead of stmt. Add init to the offset from the
7364         base.
7365         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7366         (vect_update_init_of_dr): Likewise.
7367         (vect_update_inits_of_drs): Go through loads and stores in one loop.
7368         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7369         removed fields.
7370         (new_loop_vec_info): Initialize new fields.
7371         (destroy_loop_vec_info): Free new fields.
7372         (vect_strip_conversion): Remove.
7373         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7374         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7375         datarefs. Add new field ddrs.
7376         Add macros for the new fields access.
7377         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7378         base_aligned_p, misalignment, memtag, ptr_info and subvars.
7379         Remove their macros.
7380         * tree.h (highest_pow2_factor): Declare.
7381
7382 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
7383
7384         * calls.c (store_one_arg): Check for sibling call MEM arguments
7385         from already clobbered incoming argument area.
7386
7387 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7388
7389         * c-common.c (check_missing_format_attribute): New.
7390         * c-common.h (check_missing_format_attribute): Likewise.
7391         * c-typeck.c (convert_for_assignment): Use it.
7392
7393 2005-07-24  Andreas Schwab  <schwab@suse.de>
7394
7395         * config/m68k/m68k.md ("extendqidi2"): When source is an address
7396         register use a word move.  Correct operand of ext.w in 68000 code.
7397
7398 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
7399
7400         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7401         variables as declarations, rather than definitions.
7402
7403 2005-07-24  Ira Rosen  <irar@il.ibm.com>
7404
7405         PR tree-optimization/22526
7406         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7407         of the zero node.
7408
7409 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7410
7411         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7412         that C99 reserve for future use. Use it to define clog10,
7413         clog10f and clog10l.
7414
7415 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7416
7417         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7418         * configure.ac: Check for -Wmissing-format-attribute.
7419
7420         * configure: Regenerate.
7421
7422 2005-07-23  Richard Henderson  <rth@redhat.com>
7423
7424         PR tree-optimization/22623
7425         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7426
7427 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
7428
7429         PR target/22577
7430         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7431
7432 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7433
7434         * Makefile.in (C_TREE_H): Update dependencies.
7435         * c-tree.h: Include toplev.h.
7436         * diagnostic.h (diagnostic_set_info): Add format attribute.
7437         * rtl-error.c (diagnostic_for_asm): Likewise.
7438
7439 2005-07-23  Chao-ying Fu  <fu@mips.com>
7440
7441         * config/mips/mips-dsp.md: New file.
7442         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7443         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7444         functions.
7445         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7446         MIPS_BUILTIN_BPOSGE32.
7447         (mips_expand_builtin_direct): Add one parameter to indicate that
7448         builtin functions need to return a value.
7449         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7450         functions.
7451         (mips_regno_to_class): Add classes for 12 new DSP registers.
7452         (mips_subword): Change to check four HI registers.
7453         (mips_output_move): Output move to and from 6 new DSP accumulators.
7454         (override_options): Make sure -mdsp and -mips16 are not used together.
7455         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
7456         for machine modes.
7457         (mips_conditional_register_usage): Disable 6 new DSP accumulators
7458         when !TARGET_DSP.
7459         (print_operand): Add 'q' for printing DSP accumulators.
7460         (mips_cannot_change_mode_class): Check ACC_REGS.
7461         (mips_secondary_reload_class): Check ACC_REGS.
7462         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7463         (mips_register_move_cost): Check ACC_REGS.
7464         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7465         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7466         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7467         (dsp_bdesc): New array.
7468         (bdesc_arrays): Add DSP builtin function table.
7469         (mips_prepare_builtin_arg): Check predicate again after
7470         copy_to_mode_reg.
7471         (mips_expand_builtin): Add one more parameter to
7472         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7473         MIPS_BUILTIN_BPOSGE32.
7474         (mips_init_builtins): Initialize new function types.
7475         (mips_expand_builtin_direct): Check if builtin functions need to
7476         return a value and pass operands properly.
7477         (mips_expand_builtin_bposge): New function.
7478         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7479         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7480         (FIRST_PSEUDO_REGISTER): Increase to 188.
7481         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7482         Update for 12 new DSP registers.
7483         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7484         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7485         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7486         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7487         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7488         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7489         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7490         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7491         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7492         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7493         (REGISTER_NAMES): Add names for 12 new DSP registers.
7494         * config/mips/mips.md: Include mips-dsp.md.
7495         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7496         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7497         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7498         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7499         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7500         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7501         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7502         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7503         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7504         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7505         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7506         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7507         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7508         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7509         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7510         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7511         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7512         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7513         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7514         (UNSPEC_RDDSP): New constants.
7515         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7516         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
7517         A<-d alternative.
7518         * config/mips/mips.opt (-mdsp): New option.
7519         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7520         (reg_imm10_operand): New predicates.
7521         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7522         * doc/invoke.texi (-mdsp): Document new option.
7523
7524 2005-07-22  DJ Delorie  <dj@redhat.com>
7525
7526         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7527         to warning calls.
7528         * tree-inline.c (inlinable_function_p): Likewise.
7529
7530 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
7531
7532         PR debug/21828
7533         * toplev.c (check_global_declarations): Do not mark undefined
7534         variables as DECL_IGNORED_P.
7535         * varasm.c (first_global_object_name): GTY it.
7536         (weak_global_object_name): Likewise.
7537         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7538         a string to go into {weak,first}_global_object_name.
7539
7540 2005-07-22  DJ Delorie  <dj@redhat.com>
7541
7542         * c-format.c (check_function_format): Change warning control
7543         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7544
7545 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
7546
7547         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7548         &PTR->FLD a dereference of PTR.
7549         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7550         a potential dereference of PTR.
7551
7552 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
7553
7554         PR rtl-optimization/20370
7555         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7556         call allocate_reg_info if necessary.
7557
7558         PR rtl-optimization/21848
7559         * calls.c (emit_library_call_value_1): For const functions, add
7560         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7561
7562         PR rtl-optimization/22445
7563         * cselib.c (target.h): Include.
7564         (rtx_equal_for_cselib_p): Allow commutative matches.
7565         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7566         Remove MODE parameter.  Changed all callers.
7567
7568         PR rtl-optimization/22258
7569         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7570         New functions.
7571         (try_combine): Use likely_spilled_retval_p.
7572
7573 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
7574
7575         * config.gcc: Add crx-elf support.
7576
7577         * doc/contrib.texi: Mention crx.
7578         * doc/extend.texi: Document crx extensions.
7579         * doc/install.texi: Document crx install.
7580         * doc/invoke.texi: Document crx options.
7581         * doc/md.texi: Document crx constraints.
7582
7583         * config/crx/crx-protos.h: New file.
7584         * config/crx/crx.c: New file.
7585         * config/crx/crx.h: New file.
7586         * config/crx/crx.md: New file.
7587         * config/crx/crx.opt: New file.
7588         * config/crx/t-crx: New file.
7589
7590 2005-07-22  Manfred Hollstein  <mh@suse.com>
7591
7592         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7593         warnings.
7594         (int_add_graph_edge): Likewise.
7595         (collapse_nodes): Likewise.
7596         (process_unification_queue): Likewise.
7597
7598 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7599             Laurent GUERBY  <laurent@guerby.net>
7600
7601         PR tree-optimization/22336
7602         * function.c (record_block_change): Check for
7603         cfun->ib_boundaries_block.
7604
7605 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
7606
7607         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7608         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7609
7610 2005-07-21  DJ Delorie  <dj@redhat.com>
7611
7612         * toplev.c (warn_deprecated_use): Add warning control to warning
7613         call.
7614         * c-typeck.c (parser_build_binary_op): Likewise.
7615         (c_finish_if_stmt): Likewise.
7616         * c-common.c (check_function_sentinel): Likewise.
7617         (check_nonnull_arg): Likewise.
7618
7619 2005-07-21  Richard Henderson  <rth@redhat.com>
7620
7621         PR tree-opt/22504
7622         * tree-complex.c (complex_ssa_name_components): New.
7623         (cvc_lookup): Allow entry not found.
7624         (create_components): Remove.
7625         (create_one_component_var, get_component_var): New.
7626         (get_component_ssa_name, set_component_ssa_name): New.
7627         (extract_component): Use get_component_ssa_name.
7628         (update_complex_components): Use set_component_ssa_name.
7629         (update_complex_components_on_edge): Likewise.
7630         (update_phi_components): Create new PHI nodes directly, instead
7631         of adding insns to edges.
7632         (tree_lower_complex): Allocate and free complex_variable_components
7633         and complex_ssa_name_components here.
7634
7635 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
7636
7637         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7638         revert to returning false.
7639
7640 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
7641
7642         PR target/21149
7643         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7644
7645 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
7646
7647         PR target/22576
7648         * config/i386/i386.md (cmpxf): Change operand constraints
7649         to "nonmemory_operand".
7650
7651 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7652
7653         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7654
7655 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7656
7657         PR middle-end/21180
7658         * fold-const.c (fold_build1): Add checksum for the operands.
7659         (fold_build2): Likewise.
7660         (fold_build3): Likewise.
7661
7662 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7663
7664         PR middle-end/19055
7665         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7666
7667 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7668
7669         * common.opt (-fforward-propagate): Committed by mistake,
7670         removed.
7671
7672 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7673
7674         * reg-stack.c: Fix comment typo(s).
7675         * tree-ssa-operands.c: Likewise.
7676         * tree-vectorizer: Likewise.
7677
7678 2005-07-21  Nick Clifton  <nickc@redhat.com>
7679
7680         * config/sh/symbian.c: Replace C++ style line comments with C
7681         style line comments.
7682         (symbian_add_attribute): Do not use a ? operator on the LHS of
7683         an assignment.
7684         (sh_symbian_handle_dll_attribute): Change the type of the
7685         method vector to "VEC(tree,gc)*" and use vector accessor
7686         macros to walk over the elements.
7687         (symbian_export_vtable_and_rtti_p): Likewise.
7688         (symbian_class_needs_attribute_p): Likewise.
7689
7690 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7691
7692         PR target/22085
7693         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7694         initialize targetm.resolve_overloaded_builtin here.
7695         (altivec_expand_overloaded_builtin): Make it non-static.
7696         * config/rs6000/rs6000-protos.h
7697         (altivec_expand_overloaded_builtin): New prototype.
7698         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7699         targetm.resolve_overloaded_builtin here.
7700         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7701
7702 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7703             Zdenek Dvorak  <dvorakz@suse.cz>
7704
7705         PR tree-optimization/19210
7706         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7707         New.
7708         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7709         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7710         rely on unproven assumptions.
7711         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7712         * tree-flow.h (number_of_iterations_exit): Add final parameter.
7713         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7714         to number_of_iterations_exit.
7715         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7716         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7717         * tree-ssa-loop-niter.c (find_loop_niter,
7718         estimate_numbers_of_iterations_loop): Likewise.
7719         (number_of_iterations_exit): Honor the new options.
7720         * doc/invoke.texi (Wunsafe-loop-optimizations,
7721         funsafe-loop-optimizations): Document them.
7722
7723 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
7724
7725         PR rtl-optimization/22167
7726         * gcse.c (hoist_code): Fix hoist_exprs[] check.
7727
7728 2005-07-20  Adam Nemet  <anemet@lnxw.com>
7729
7730         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7731         __do_global_dtors_aux longcall.
7732
7733 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
7734
7735         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7736         (old_special_pred_table): Don't reference
7737         SPECIAL_MODE_PREDICATES.
7738         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7739         * config/arc/arc.h: Don't mention PREDICATE_CODES.
7740         * config/sh/predicates.h: Don't mention
7741         SPECIAL_MODE_PREDICATES.
7742         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7743         Remove.
7744
7745 2005-07-20  DJ Delorie  <dj@redhat.com>
7746
7747         * config.gcc: Add m32c-elf support.
7748
7749         * doc/contrib.texi: Mention m32c.
7750         * doc/extend.texi: Document m32c extensions.
7751         * doc/install.texi: Mention m32c.
7752         * doc/invoke.texi: Document m32c options.
7753         * doc/md.texi: Document m32c constraints.
7754
7755         * config/m32c/addsub.md: New file.
7756         * config/m32c/bitops.md: New file.
7757         * config/m32c/cond.md: New file.
7758         * config/m32c/jump.md: New file.
7759         * config/m32c/m32c-lib1.S: New file.
7760         * config/m32c/m32c-lib2.c: New file.
7761         * config/m32c/m32c-modes.def: New file.
7762         * config/m32c/m32c-pragma.c: New file.
7763         * config/m32c/m32c-protos.h: New file.
7764         * config/m32c/m32c.abi: New file.
7765         * config/m32c/m32c.c: New file.
7766         * config/m32c/m32c.h: New file.
7767         * config/m32c/m32c.md: New file.
7768         * config/m32c/m32c.opt: New file.
7769         * config/m32c/minmax.md: New file.
7770         * config/m32c/mov.md: New file.
7771         * config/m32c/muldiv.md: New file.
7772         * config/m32c/predicates.md: New file.
7773         * config/m32c/prologue.md: New file.
7774         * config/m32c/shift.md: New file.
7775         * config/m32c/t-m32c: New file.
7776
7777 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7778
7779         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7780         (stack_protect_set, stack_protect_test): New expanders.
7781         (stack_protect_set_si, stack_protect_set_si_media,
7782         stack_protect_set_di_media, stack_protect_test_si,
7783         stack_protect_test_si_media, stack_protect_test_di_media):
7784         New insns.
7785
7786 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
7787
7788         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7789
7790 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
7791
7792         * tree.h (tree_expr_nonzero_p): Export.
7793         * fold-const.c (tree_expr_nonzero_p): Likewise.
7794         Return true for CALL_EXPRs that are alloca calls.
7795         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7796         against zero.
7797         * tree-flow.h (expr_computes_nonzero): Remove.
7798         * tree-vrp.c (expr_computes_nonzero): Remove.
7799         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7800         (extract_range_from_unary_expr): Likewise.
7801         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7802         tree_expr_nonzero_p.
7803
7804 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
7805
7806         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7807         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
7808         extra arg "picreg" and use it instead of pic_offset_table_rtx.
7809         All callers changed.
7810         (frame_related_constant_load): New arg "related" which controls
7811         setting of RTX_FRAME_RELATED_P.  All callers changed.
7812         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7813         (bfin_expand_prologue): Add stack limit checking.
7814         * config/bfin/bfin.md (trapifcc): New pattern.
7815
7816         * config/bfin/bfin.c: Include "langhooks.h".
7817         (def_builtin): Go through lang_hooks to call builtin_function.
7818
7819         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7820         * config/bfin/predicates.md (symbol_ref_operand): New.
7821         (call_insn_operand): Delete.  All callers changed to use
7822         register_no_elim_operand.
7823         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7824         call_cookie field.
7825         (function_arg): Use it to generate the call's operand 2.
7826         (bfin_longcall_p): New function.
7827         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
7828         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
7829         determine if the address needs to be in a REG.
7830         (bfin_handle_longcall_attribute): New function.
7831         (bfin_attribute_table): Add "longcall" and "shortcall".
7832         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7833         (CUMULATIVE_ARGS): New member call_cookie.
7834         (PREDICATE_CODES): Add symbol_ref_operand.
7835         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7836         extra USE to the pattern.
7837         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7838         New patterns, split off call_insn, sibcall_insn, call_value_insn and
7839         sibcall_value_insn; now the new patterns handle direct calls and the
7840         old ones indirect calls.
7841         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7842
7843 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
7844
7845         * doc/trouble.texi: Update section on handling of empty loops.
7846
7847 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
7848
7849         * config.gcc: Remove support for sparc-*-openbsd*,
7850         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7851         ns32k-*-netbsd*.
7852         * config.host: Remove support for i860-*-sysv4* as a host.
7853         * config/i860/*, config/ip2k/*, config/ns32k/*,
7854         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7855         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7856         mention obsolete ports.
7857
7858 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7859
7860         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7861         soft frame pointer.
7862         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7863         of frame_pointer_rtx.
7864         (sh_expand_epilogue): Likewise.
7865         (sh_set_return_address): Likewise.
7866         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7867         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
7868         offsets from FRAME_POINTER_REGNUM.
7869         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7870         (sh_register_names): Add initializer for sfp.
7871         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7872         (VALID_REGISTER_P): Likewise.
7873         (FIRST_PSEUDO_REGISTER): Update.
7874         (DWARF_FRAME_REGISTERS): Define.
7875         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7876         (HARD_FRAME_POINTER_REGNUM): Define.
7877         (FRAME_POINTER_REGNUM): Redefine.
7878         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7879         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
7880         from FRAME_POINTER_REGNUM.
7881         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7882         FRAME_POINTER_REGNUM.
7883         (REG_CLASS_CONTENTS): Add sfp.
7884         (REG_ALLOC_ORDER): Likewise.
7885         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
7886         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7887         of frame_pointer_rtx.
7888         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7889
7890 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
7891
7892         * fold-const.c (tree_expr_nonnegative_p): Only return true for
7893         ABS_EXPR when flag_wrapv is false because of INT_MIN.
7894         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7895         of an ABS_EXPR.
7896         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7897         ABS_EXPR<x>.
7898
7899 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
7900
7901         Make CONSTRUCTOR use VEC to store initializers.
7902         * c-common.c (complete_array_type): Update to cope with VEC in
7903         CONSTRUCTOR_ELTS.
7904         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7905         (pp_c_constructor_elts): New function.
7906         * c-pretty-print.h (pp_c_constructor_elts): Declare.
7907         * c-typeck.c (build_function_call, build_c_cast, digest_init,
7908         struct constructor_stack, struct initializer_stack,
7909         constructor_elements, push_init_level, pop_init_level,
7910         add_pending_init, find_init_member, output_init_element): Update to
7911         cope with VEC in CONSTRUCTOR_ELTS.
7912         * coverage.c (build_fn_info_value, build_ctr_info_value,
7913         build_gcov_info): Likewise.
7914         * expr.c (categorize_ctor_elements_1, store_constructor,
7915         expand_expr_real_1): Likewise.
7916         * fold-const.c (fold_ternary): Likewise.
7917         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7918         gimplify_init_constructor, gimplify_expr): Likewise.
7919         * tree-dump.c (dequeue_and_dump): Likewise.
7920         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7921         node.
7922         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7923         CONSTRUCTOR_ELTS.
7924         * tree-sra.c (generate_element_init_1): Likewise.
7925         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7926         * tree-ssa-operands.c (get_expr_operands): Likewise.
7927         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7928         * tree-vect-transform.c (vect_get_vec_def_for_operand):
7929         (get_initial_def_for_reduction): Likewise.
7930         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7931         value handle in annotations.
7932         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7933         tree_node_structure): Add support for constr_kind.
7934         (build_vector_from_ctor, build_constructor_single,
7935         build_constructor_from_list): New functions.
7936         (build_constructor): Update to take a VEC instead of a TREE_LIST.
7937         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7938         Update to cope with VEC in CONSTRUCTOR_ELTS.
7939         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7940         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7941         CONSTRUCTOR_APPEND_ELT): New macros.
7942         (struct constructor_elt, struct tree_constructor): New data types.
7943         (union tree_node): Add tree_constructor field.
7944         * treestruct.def: Define TS_CONSTRUCTOR.
7945         * varasm.c (const_hash_1, compare_constant, copy_constant,
7946         compute_reloc_for_constant, output_addressed_constants,
7947         initializer_constant_valid_p, output_constant,
7948         array_size_for_constructor, output_constructor): Update to cope with
7949         VEC in CONSTRUCTOR_ELTS.
7950         * vec.h (VEC_empty, VEC_copy): New macros.
7951
7952 2005-07-19  Devang Patel  <dpatel@apple.com>
7953
7954         * dbxout.c (dbxout_type): Check Objective-C++ lang.
7955
7956 2005-07-19  Richard Henderson  <rth@redhat.com>
7957
7958         PR tree-opt/22278
7959         * gimplify.c (gimplify_expr): Use main variant type for the temp
7960         destination for a discarded volatile read.
7961         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7962         casts between non-void types that change volatility.
7963
7964 2005-07-15  DJ Delorie  <dj@redhat.com>
7965
7966         * toplev.h: Add comment about the first parameter for warning().
7967         * errors.h: Likewise.
7968
7969         * c.opt (Wpragmas): New.
7970         * doc/invoke.texi: Document it.
7971
7972         * function.c (do_warn_unused_parameter): Add warning control to
7973         warning call.
7974         * c-decl.c (warn_if_shadowing): Likewise.
7975         * c-lex.c (cb_def_pragma): Likewise.
7976         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7977         (pop_alignment): Likewise.
7978         (handle_pragma_pack): Likewise.
7979         (apply_pragma_weak): Likewise.
7980         (handle_pragma_weak): Likewise.
7981         (handle_pragma_redefine_extname): Likewise.
7982         (add_to_renaming_pragma_list): Likewise.
7983         (handle_pragma_extern_prefix): Likewise.
7984         (maybe_apply_renaming_pragma): Likewise.
7985         (handle_pragma_visibility): Likewise.
7986
7987         * config/c4x/c4x-c.c (BAD): Likewise.
7988         (c4x_parse_pragma): Likewise.
7989         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7990         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7991         (rs6000_pragma_longcall): Likewise.
7992         * config/v850/v850-c.c (pop_data_area): Likewise.
7993         (ghs_pragma_section): Likewise.
7994         (ghs_pragma_section): Likewise.
7995         (ghs_pragma_interrupt): Likewise.
7996         (ghs_pragma_starttda): Likewise.
7997         (ghs_pragma_startsda): Likewise.
7998         (ghs_pragma_startzda): Likewise.
7999         (ghs_pragma_endtda): Likewise.
8000         (ghs_pragma_endsda): Likewise.
8001         (ghs_pragma_endzda): Likewise.
8002
8003 2005-07-19  Danny Berlin <dberlin@dberlin.org>
8004             Kenneth Zadeck <zadeck@naturalbridge.com>
8005
8006         * Makefile.in: Removed tree-promote-statics.c
8007         * tree-promote-statics.c: Removed.
8008         * common.opt: Removed flag-promote-statics.
8009         * opts.c: Ditto.
8010         * passes.c: Removed tree-promote-statics pass.
8011         * tree-pass.h: Ditto.
8012         * timevar.def: Removed TV_PROMOTE_STATICS.
8013
8014
8015 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
8016
8017         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8018         and *-*-freebsd9.
8019         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8020
8021 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8022
8023         PR c/22476
8024         * c-common.c (check_function_arguments): Call
8025         'check_function_format' if either -Wformat or
8026         -Wmissing-format-attribute are specified.
8027         * c-format.c (check_function_format): Check -Wformat before
8028         calling 'check_format_info'.
8029         * c-opts.c (c_common_post_options): Don't warn for
8030         -Wmissing-format-attribute without -Wformat.
8031         * c-typeck.c (convert_for_assignment): Detect additional cases for
8032         -Wmissing-format-attribute.
8033         * doc/invoke.texi (-Wmissing-format-attribute): Document new
8034         behavior.
8035
8036 2005-07-19  Richard Guenther  <rguenther@suse.de>
8037
8038         * config/i386/i386.md (lrint<mode>2): Use temporary
8039         instead of clobbering non-existent memory.
8040
8041 2005-07-19  Nick Clifton  <nickc@redhat.com>
8042
8043         * config/avr/avr.c (legitimate_address_p): Fix debugging print
8044         statement to avoid displaying ASCII control characters.
8045
8046 2005-07-19  Ben Elliston  <bje@au.ibm.com>
8047
8048         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8049         * cfganal.c (find_edge_index): Ditto.
8050         * combine.c (combine_instructions): Ditto.
8051         * ddg.c (create_scc): Ditto.
8052         (find_successors): Ditto.
8053         (find_predecessors): Ditto.
8054         (find_nodes_on_paths): Ditto.
8055         (longest_simple_path): Ditto.
8056         * flow.c (update_life_info): Ditto.
8057         (count_or_remove_death_notes): Ditto.
8058         (clear_log_links): Ditto.
8059         * modulo-sched.c (generate_reg_moves): Ditto.
8060         (find_max_asap): Ditto.
8061         (find_max_hv_min_mob): Ditto.
8062         (find_max_dv_min_mob): Ditto.
8063         * sbitmap.c (sbitmap_first_set_bit): Ditto.
8064         * sched-rgn.c (extract_edgelst): Ditto.
8065         * tree-into-ssa.c (prepare_names_to_update): Ditto.
8066         (dump_update_ssa): Ditto.
8067         (ssa_names_to_replace) Ditto.
8068         (switch_virtuals_to_full_rewrite): Ditto.
8069         (update_ssa): Ditto.
8070         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8071
8072 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
8073
8074         Fix PR tree-optimization/22483
8075
8076         * tree-complex.c (create_components): Use
8077         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8078         * tree-flow-inline.h (fill_referenced_var_vec): New function.
8079         * tree-flow.h (safe_referenced_var_iterator): New structure.
8080         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8081         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8082         safe_referenced_var iterator.
8083         (add_type_alias): Ditto.
8084
8085 2005-07-19  Steven Bosscher  <stevenb@suse.de>
8086
8087         * loop-init.c (rest_of_handle_loop2): Remove.
8088         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8089         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8090         (pass_rtl_loop_init, pass_rtl_loop_done,
8091         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8092         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8093         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8094         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8095         pass_tree_loop_done, and pass_tree_unswitch.
8096         (gate_loop): Rename to gate_tree_loop.
8097         * passes.c (init_optimization_passes): Update for renamed tree
8098         loop passes.  Add the new loop2 passes as subpasses of loop2.
8099         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8100         Update for the renamed tree loop passes.
8101
8102 2005-07-18  Ian Lance Taylor  <ian@airs.com>
8103
8104         PR middle-end/22057
8105         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8106         blocks when optimizing.
8107
8108 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
8109
8110         * common.opt (frename-registers): Initialize to 2.
8111         (fweb): Ditto.
8112         (fgcse-after-reload): Ditto.
8113         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8114         (process_options): Only change flag_web, flag_rename_registers,
8115         and flag_rerun_cse_after_loop if not explicitly set by user.
8116
8117 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8118
8119         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8120         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8121         in 64-bit mode the same as DImode in 32-bit mode.
8122         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8123         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8124         mode. Add new mode parameter.
8125         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8126         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8127         x86_64_shift_adj): New expanders.
8128         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8129         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8130         insns.
8131         Respective new splitters. Use renamed shift splitter helpers in 32-bit
8132         DImode shift splitters.
8133         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8134         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8135         mode parameter.
8136
8137 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8138
8139         * i386.md (movdi_extzv_1): New.
8140         (zero_extendhidi2): Combine alternatives and never force use of
8141         REX64 prefix.
8142         (zero_extendqidi2): Likewise. Don't restrict input selection.
8143
8144 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8145
8146         Fix PR tree-optimization/22531
8147         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
8148          moment.
8149
8150 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8151
8152         * tree-promote-statics.c (pass_promote_statics): Change dump file
8153          name.
8154
8155 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8156
8157         * tree-optimize.c (init_tree_optimization_passes): Add
8158         pass_eliminate_useless_stores pass.
8159         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8160         * tree-ssa-pre.c (is_copy_stmt): New function.
8161         (follow_copies_till_vuse): Ditto.
8162         (do_eustores): Ditto.
8163         (gate_eustores): Ditto.
8164
8165 2005-07-16  Richard Henderson  <rth@redhat.com>
8166
8167         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8168
8169 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8170            Kenneth Zadeck <zadeck@naturalbridge.com>
8171
8172         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8173         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8174         ipa-type-escape.h, tree-promote-statics.c
8175         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8176         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8177         tree-promote-statics.c: new files.
8178         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8179         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8180         int nonlocal_set_p, mark_constant_function): Deleted.
8181         (rest_of_handle_cfg): Removed call to mark_constant_function.
8182         (nonoverlapping_component_refs_p): Added calls to support
8183         type based aliasing.
8184         * tree-ssa-alias.c (may_alias_p,
8185         compute_flow_insensitive_aliasing): Ditto.
8186         * calls.c (flags_from_decl_or_type): Removed reference to
8187         cgraph_rtl_info.
8188         * c-typeck.c (convert_arguments): Make builtins tolerant of having
8189         too many arguments.  This is necessary for Spec 2000.
8190         * cgraph.h (const_function, pure_function): Removed.
8191         * common.opt: Added "fipa-pure-const", "fipa-reference",
8192         "fipa-type-escape", and "ftree-promote-static".
8193         * opts.c: Ditto.
8194         * passes.c: Added ipa and tree-promote-statics passes.
8195         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8196         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8197         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8198         * tree-flow.h: Added exposed sra calls and addition of
8199         reference_vars_info field for FUNCTION_DECLS.
8200         * tree-pass.h: Added passes.
8201         * tree-sra.c: (sra_init_cache): New function.
8202         (sra_insert_before, sra_insert_after) Made public.
8203         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8204         and made public.
8205         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8206         aliasing. (may_alias_p): Added code to use type escape analysis to
8207         improve alias sets.
8208         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8209         code to prune clobbers of static variables based on information
8210         produced in ipa-reference pass.  Changed call clobbering so that
8211         statics are not marked as clobbered if the call does not clobber
8212         them.
8213
8214 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
8215
8216         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8217         too.
8218
8219 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8220
8221         * doc/install.texi (*-*-solaris2*): Document recommended version
8222         of GNU binutils and mention GNU linker problem on Solaris 10.
8223
8224 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
8225
8226         PR c/22421
8227         * c-decl.c (c_build_bitfield_integer_type): New function.
8228         (finish_struct): Call it.
8229         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8230
8231 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8232
8233         * c-typeck.c (digest_init): Call 'convert_for_assignment'
8234         before returning.
8235
8236 2005-07-16  Jan Hubicka  <jh@suse.cz>
8237
8238         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8239         (scale_bbs_frequencies_int): Watch roundoff errors.
8240         * predict.c (return_prediction): Initialize return_stmt.
8241
8242 2005-07-16  Jan Hubicka  <jh@suse.cz>
8243
8244         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8245         after RTL profiling.
8246
8247 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
8248
8249         PR middle-end/22398
8250         * fold-const.c (build_range_check): Convert high/low to etype
8251         if we are only comparing against exp.
8252
8253 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
8254
8255         Fix PR tree-optimization/22376
8256         * tree-ssa-structalias.c (build_constraint_graph): We really meant
8257         special var here.
8258         (need_to_solve): New function.
8259         (compute_points_to_sets): Use it.
8260
8261 2005-07-15  Jan Hubicka  <jh@suse.cz>
8262
8263         * cfg.c (update_bb_profile_for_threading): More diagnostic.
8264         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8265
8266 2005-07-15  Richard Guenther  <rguenther@suse.de>
8267
8268         * c-common.c (handle_flatten_attribute): New function.
8269         Add flatten function attribute.
8270         * doc/extend.texi: Document flatten function attribute.
8271         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8272         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8273         New functions.
8274         (cgraph_decide_inlining): Handle functions with flatten
8275         attribute.
8276
8277 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
8278
8279         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8280         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8281         UNSPEC_XCHG, UNSPEC_AND): New.
8282         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8283         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8284         * config/rs6000/sync.md (FETCHOP): New code macro.
8285         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8286         New code attrs.
8287         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8288         (sync_compare_and_swap<mode>): Same.
8289         (sync_lock_test_and_set<mode>): Same.
8290         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8291         for QImode and HImode, and not PPC405.
8292         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8293         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8294         (sync_<fetchop>{si,di}_internal): New.
8295         (sync_nand{si,di}_internal): New.
8296         (sync_old_<fetchop>{si,di}_internal): New.
8297         (sync_old_nand{si,di}_internal): New
8298         (sync_new_<fetchop>{si,di}_internal): New.
8299         (sync_new_nand{si,di}_internal): New.
8300         (atomic_and{si,di}): New.
8301         (sync_new_nand{si,di}_internal): New.
8302         (atomic_and{si,di}): New.
8303         (sync_add<mode>_internal): Delete.
8304         (sync_addshort_internal): Use unspec instead of unspec_volatile.
8305         (sync_sub<mode>_internal): Delte.
8306         (sync_subshort_internal): New.
8307         (sync_andsi_internal): Use unspec instead of unspec_volatile.
8308         (sync_anddi_internal): Delete.
8309         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8310         (sync_booldi_internal): Delete.
8311         (sync_boolc<mode>_internal): Delete.
8312         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8313         (sync_boolc<mode>_internal2): Delete.
8314         (sync_boolcc<mode>_internal): Delete.
8315         (isync, lwsync): Use unspec instead of unspec_volatile.
8316         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8317         Revert UNSPEC_VOLATILE.
8318         (rs6000_split_atomic_op): New.
8319         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8320
8321 2005-07-14  Eric Christopher  <echristo@redhat.com>
8322
8323         * config/mips/mips.c (mips_canonicalize_comparison): Cast
8324         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8325
8326 2005-07-14  Eric Christopher  <echristo@redhat.com>
8327
8328         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8329
8330 2005-07-14  Steven Bosscher  <stevenb@suse.de>
8331
8332         PR tree-optimization/22230
8333         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8334         the computation of the four cross productions for "range op range".
8335
8336 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
8337             Ulrich Weigand  <uweigand@de.ibm.com>
8338
8339         PR target/20126
8340         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8341         in some insn.
8342
8343 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8344
8345         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8346
8347 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
8348
8349         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8350
8351 2005-07-14  Richard Guenther  <rguenther@suse.de>
8352
8353         PR middle-end/22347
8354         * config/i386/i386-protos.h (ix86_function_value): Change
8355         prototype to match new target hook.
8356         * config/i386/i386.c (ix86_value_regno): Change prototype
8357         to take extra type argument.
8358         (TARGET_FUNCTION_VALUE): Define.
8359         (ix86_function_ok_for_sibcall): Pass extra argument to
8360         ix86_value_regno, check return slot rtx for exact match.
8361         (ix86_function_value): Take extra parameter.  Dispatch to
8362         ix86_value_regno with fndecl/fntype as provided.
8363         (ix86_value_regno): Handle extra type argument.
8364         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8365
8366         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8367         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8368         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8369         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8370         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8371
8372 2005-07-14  Richard Guenther  <rguenther@suse.de>
8373
8374         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8375         * calls.c (expand_call): Pass fntype to hard_function_value.
8376         (emit_library_call_value_1): Likewise.
8377         * explow.c: Include target.h.
8378         (hard_function_value): Take extra argument, the fntype.
8379         Use new target hook for function_value.
8380         * expr.h (hard_function_value): Change prototype.
8381         * function.c (aggregate_value_p): Pass 0 as fntype to
8382         hard_function_value.
8383         (assign_parms): Use new target hook for function_value.
8384         Pass 0 as fntype to hard_function_value.
8385         (expand_function_end): Likewise.
8386         * reg-stack.c: Include target.h.
8387         (stack_result): Use new target hook for function_value.
8388         * target-def.h: New target hook function_value.
8389         * target.h: Likewise.
8390         * targhooks.c (default_function_value): New function.
8391         * targhooks.h (default_function_value): Declare.
8392
8393 2005-07-13  Ian Lance Taylor  <ian@airs.com>
8394
8395         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8396
8397 2005-07-14  Jan Hubicka  <jh@suse.cz>
8398
8399         * tree-dfa.c (dump_variable): Use default_def function.
8400         * tree-ssa-alias.c (dump_points_to_info): Likewise.
8401         * tree-ssa.c (verify_use): Likewise.
8402         * tree-ssanames.c (release_ssa_name): Likewise.
8403         * tree-tailcall.c (eliminate_tail_call): Likewise.
8404         (tree_optimize_tail_calls_1): Likewise.
8405         * tree-vrp.c (get_value_range): Likewise.
8406
8407 2005-07-14  Ben Elliston  <bje@au.ibm.com>
8408
8409         * gcc.c (main): Compare language[0] with '*' when iterating over
8410         the infiles.
8411
8412 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8413
8414         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8415         "s390_emit_compare".  Add handling of CCZ1mode.
8416         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8417         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8418         checking.
8419         (s390_branch_condition_mask): Add CCZ1mode handling.
8420         * config/s390/s390.md: ("seq", "*seq"): New pattern.
8421         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8422         Use CCZ1mode instead of CCZmode.
8423         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
8424
8425 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8426
8427         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8428         pattern.
8429         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8430
8431 2005-07-13  Eric Christopher  <echristo@redhat.com>
8432
8433         * config/mips/mips.c (mips_canonicalize_comparison): New.
8434         (mips_emit_int_relational): Use.
8435
8436 2005-07-13  Eric Christopher  <echristo@redhat.com>
8437
8438         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8439         static extra parts.
8440         * config/s390/s390.md: Include tpf.md. Move tpf specific
8441         patterns...
8442         * config/s390/tpf.md: To here.
8443         * config/s390/s390.opt: Move tpf specific options...
8444         * config/s390/tpf.opt: to here. Add mmain option.
8445         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8446         * config/s390/tpf.h: Rewrite.
8447
8448 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
8449
8450         * doc/tm.texi: Remove @xref{Cross-profiling}.
8451
8452 2005-07-13  Jeff Law  <law@redhat.com>
8453
8454         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8455         expressions, test their _DECL operands for pointer equality rather
8456         than using operand_equal_p.
8457
8458 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
8459
8460         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8461         (TARGET_POSIX_IO): This.
8462         * config/darwin.h: Likewise.
8463         * config/freebsd.h: Likewise.
8464         * config/linux.h: Likewise.
8465         * config/lynx.h: Likewise.
8466         * config/netbsd.h: Likewise.
8467         * config/rs6000/linux64.h: Likewise.
8468         * config/rs6000/linux.h: Likewise.
8469         * config/s390/tpf.h: Likewise.
8470         * config/sh/embed-elf.h: Likewise.
8471         * config/sparc/linux64.h: Likewise.
8472         * config/sparc/linux.h: Likewise.
8473         * config/svr4.h: Likewise.
8474         * gcov-io.h: Likewise.
8475
8476         * doc/tm.texi: Updated.
8477
8478         * libgcov.c (create_file_directory): Defined only if
8479         TARGET_POSIX_IO is defined.
8480         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8481         is defined.
8482
8483 2005-07-13  Jan Hubicka  <jh@suse.cz>
8484
8485         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8486
8487 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
8488
8489         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8490         structure as argument.
8491
8492 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
8493
8494         PR tree-optimization/21921
8495         * tree-iterator.c (tsi_link_before): Support the case when
8496         tsi_end_p (tsi) == true.
8497
8498 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8499
8500         PR tree-optimization/22442
8501         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8502         correctly.
8503
8504 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8505
8506         PR rtl-optimization/20376
8507         * toplev.c (process_options): Enable -fweb and -frename-registers when
8508         unrolling.
8509         * doc/invoke.texi: Update the information about when -fweb and
8510         -frename-registers are enabled.
8511
8512 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8513
8514         PR tree-opt/21840
8515         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8516         if *rhs_p is not a SSA_NAME.
8517
8518 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
8519
8520         Fix PR tree-optimization/22422
8521         * tree-ssa-structalias.c (struct variable_info): Add flag for
8522         special vars.
8523         (get_varinfo): Now a static function.
8524         (new_varinfo): init has_union and is_special_var to false.
8525         (solution_set_add): Check has_union.
8526         (do_da_constraint): Move temporary variable so it gets reset
8527         properly.
8528         Also check for special variable.
8529         (do_ds_constraint): Ditto.
8530         (do_sd_constraint): Ditto.
8531         (do_structure_copy): Check for special variable.
8532         (find_func_aliases): Ditto.
8533         (init_base_vars): Set special vars properly.
8534
8535 2005-07-13  Jan Hubicka  <jh@suse.cz>
8536
8537         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8538         do unit-at-a-time.
8539
8540         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8541         (get_expr_operands): Fix thinko wrt flags and subvars.
8542
8543         PR tree-optimize/22379
8544         * tree-inline.c (expand_call_inline): Do not output sorry in early
8545         inlining.
8546
8547 2005-07-12  Dale Johannesen  <dalej@apple.com>
8548
8549         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
8550
8551 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8552
8553         PR bootstrap/21704
8554         * host-linux.h: Include limits.h.
8555
8556 2005-07-12  Dale Johannesen  <dalej@apple.com>
8557
8558         * expr.c (compress_float_constant):  Add cost check.
8559         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
8560
8561 2005-07-12  Dale Johannesen  <dalej@apple.com>
8562
8563         * gcc.target/i386/compress-float-sse.c:  New.
8564         * gcc.target/i386/compress-float-sse-pic.c:  New.
8565         * gcc.target/i386/compress-float-387.c:  New.
8566         * gcc.target/i386/compress-float-387-pic.c:  New.
8567         * gcc.dg/compress-float-ppc.c:  New.
8568         * gcc.dg/compress-float-ppc-pic.c:  New.
8569
8570 2005-07-12  Eric Christopher  <echristo@redhat.com>
8571
8572         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8573         static extra parts.
8574         * config/s390/s390.md: Include tpf.md. Move tpf specific
8575         patterns...
8576         * config/s390/tpf.md: To here.
8577         * config/s390/s390.opt: Move tpf specific options...
8578         * config/s390/tpf.opt: to here. Add mmain option.
8579         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8580         * config/s390/tpf.h: Rewrite.
8581
8582 2005-07-12  Eric Christopher  <echristo@redhat.com>
8583
8584         * gcc.c (struct infile): Update comment for language.
8585         (main): Rewrite input file resetting code.
8586
8587 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8588
8589         PR tree-opt/22335
8590         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8591         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
8592         (lookup_avail_expr): Use constant_boolean_node instead
8593         of boolean_false_node/boolean_true_node.
8594
8595 2005-07-12  Ben Elliston  <bje@au.ibm.com>
8596
8597         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8598         and use it when printing num_edges.
8599
8600 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
8601
8602         * doc/extend.texi (Blackfin Built-in Functions): New section.
8603         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8604         @opindex.
8605
8606 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
8607
8608         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8609         s/cmpstrsi/cmpstrnsi
8610         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8611         'cmpstrnsi'.
8612         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8613         (init_optabs): Initialize cmpstrn_optab.
8614         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8615         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8616         * expr.c: (enum insn_code cmpstrn_optab): Declare.
8617         * config/i386/i386.md: s/cmpstr/cmpstrn
8618         * config/c4x/c4x.md: s/cmpstr/cmpstrn
8619         * doc/md.texi: Update documentation.
8620
8621 2005-07-11  Richard Henderson  <rth@redhat.com>
8622
8623         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8624         build_va_arg_indirect_ref.
8625         (alpha_gimplify_va_arg): Likewise.
8626         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8627         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8628         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8629         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8630         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8631         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8632         Likewise.
8633         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8634
8635 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8636
8637         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8638         * passes.c (init_optimization_passes): Add pass_empty_loop.
8639         * tree-pass.h (pass_empty_loop): Declare.
8640         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8641         try_remove_empty_loop, remove_empty_loops): New functions.
8642         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8643         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8644
8645 2005-07-12  Peter Barada  <peter@the-baradas.com>
8646
8647         PR middle-end/16719
8648         PR middle-end/18421
8649         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8650         in address registers.
8651         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8652         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8653         alternative of addsi3_5200.
8654
8655 2005-07-11  Ian Lance Taylor  <ian@airs.com>
8656
8657         * config/mips/mips.md (ffs<mode>2): Remove.
8658
8659 2005-07-11  Ian Lance Taylor  <ian@airs.com>
8660
8661         * doc/tree-ssa.texi (Cleanups): Improve description of
8662         TRY_FINALLY_EXPR.
8663         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8664
8665 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
8666
8667         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8668         * tree.h (DECL_ARGUMENT_FLD): New macro.
8669
8670 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
8671
8672         Fix PR tree-optimization/22404
8673
8674         * tree-ssa-structalias.c (create_variable_info_for): Use
8675         correct offset.
8676
8677 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
8678
8679         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8680         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8681         for second comparison operand.
8682         * config/bfin/predicates.md (reg_or_const_int_operand): New.
8683
8684         * config/bfin/bfin.md (define_attr "type"): Add "sync".
8685         (define_insn_reservation "alu"): Likewise.
8686         (csync, ssync): Now of type sync.
8687         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8688         -mcsync-anomaly -mspecld-anomaly.
8689         * config/bfin/bfin.opt (mcsync): Remove.
8690         (mcsync-anomaly, mspecld-anomaly): Add.
8691         * config/bfin/bfin.c: Include "insn-codes.h".
8692         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8693         (TARGET_DEFAULT_TARGET_FLAGS): New.
8694         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8695
8696 2005-07-11  Steven Bosscher  <stevenb@suse.de>
8697
8698         * basic-block.h: Give the BB flags enum a name, bb_flags.
8699         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8700         * cfgcleanup.c (enum bb_flags): Remove here.
8701         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8702         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8703         (update_forwarder_flag): Likewise.
8704         (thread_jump): Likewise.
8705         (try_forward_edges): Likewise.
8706         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
8707         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
8708         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8709
8710 2005-07-11  Richard Guenther  <rguenther@suse.de>
8711
8712         * config/i386/i386.opt: New target option -msseregparm.
8713         * config/i386/i386.c (override_options): Error out for
8714         -msseregparm but no SSE support.
8715         (ix86_function_sseregparm): Check for global sseregparm.
8716         * doc/invoke.texi: Document -msseregparm.
8717
8718 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8719
8720         * config.gcc (m32r-*-linux*): Use the default extra_parts.
8721         (m32rle-*-linux*): Ditto.
8722
8723 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
8724
8725         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8726         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8727         bytes.
8728
8729 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8730
8731         PR middle-end/22239
8732         PR target/20126
8733         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8734         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8735
8736 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
8737
8738         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8739         (varmap): Heapify varmap.
8740         (constraints): Heapify constraints.
8741         (struct constraint_graph): Heapify succs and preds.
8742         (constraint_vec_find): Update for heapification.
8743         (constraint_set_union): Ditto.
8744         (insert_into_complex): Ditto.
8745         (constraint_edge_vec_find): Ditto.
8746         (erase_graph_self_edge): Ditto.
8747         (add_graph_edge): Ditto.
8748         (get_graph_weights): Ditto.
8749         (merge_graph_nodes): Ditto.
8750         (build_constraint_graph): Ditto.
8751         (topo_visit): Ditto.
8752         (solve_graph): Ditto.
8753         (create_variable_info_for): Ditto.
8754         (init_base_vars): Ditto.
8755         (delete_points_to_sets): Free graph, varmap, and complex constraints.
8756         (condese_varmap_nodes): Free complex vector.
8757         (clear_edges_for_node): Clear succs and preds vector.
8758
8759 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
8760
8761         * tree-ssa-structalias.c (update_alias_info): Change counting of
8762         references to not include vdefs.
8763
8764 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
8765
8766         * tree-ssa-alias.c (free_used_part_map): Add missing free.
8767         (up_insert): Ditto.
8768
8769 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8770
8771         * pa.c (pa_commutative_p): Make PLUS commutative when
8772         TARGET_NO_SPACE_REGS is true.
8773
8774 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
8775
8776         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8777         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8778         * tree-dfa.c (dump_subvars_for): New.
8779         (debug_subvars_for): New.
8780         (dump_variable): Show subvariables if VAR has them.
8781         * tree-flow-inline.h (get_subvar_at): New.
8782         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8783         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8784         Update all users.
8785         (struct subvar): Change fields offset and size to unsigned
8786         HOST_WIDE_INT.
8787         (dump_subvars_for): Declare.
8788         (debug_subvars_for): Declare.
8789         (get_subvar_at): Declare.
8790         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8791         to unsigned HOST_WIDE_INT *.
8792         (overlap_subvar): Likewise.
8793         * tree-gimple.c (is_gimple_reg): Always return false for
8794         SFTs and memory tags.
8795         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8796         Update all callers.
8797         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8798         (compute_may_aliases): Call compute_points_to_sets.
8799         (collect_points_to_info_for): Remove.
8800         (compute_points_to_and_addr_escape): Remove.
8801         (delete_alias_info): Call delete_points_to_sets.
8802         (compute_flow_sensitive_aliasing): If the call to
8803         find_what_p_points_to returns false, call set_pt_anything.
8804         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8805         (set_pt_anything): Clear pi->pt_vars.
8806         (set_pt_malloc): Remove.
8807         (merge_pointed_to_info): Remove.
8808         (add_pointed_to_expr): Remove.
8809         (add_pointed_to_var): Remove.
8810         (collect_points_to_info_r): Remove.
8811         (is_escape_site): Make extern.
8812         (create_sft): New.
8813         (create_overlap_variables_for): Call it.
8814         * tree-ssa-copy.c (merge_alias_info): Never merge
8815         flow-sensitive alias information.
8816         * tree-ssa-operands.c (get_expr_operands): Adjust variables
8817         offset and size to be unsigned HOST_WIDE_INT.
8818         (add_to_addressable_set): Rename from note_addressable.
8819         Set TREE_ADDRESSABLE as the variables are added to the set.
8820         Update all users.
8821         (add_stmt_operand): Do not try to micro-optimize unmodifiable
8822         operands into VUSEs when adding V_MAY_DEFs for members in an
8823         alias set.
8824         * tree-ssa-operands.h (add_to_addressable_set): Declare.
8825         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8826         (struct variable_info): Add bitfield is_heap_var.
8827         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8828         (new_var_info): Initialize is_heap_var.
8829         (get_constraint_for): Add HEAP variables to the symbol table.
8830         Mark them with is_heap_var.
8831         (update_alias_info): New.  Taken mostly from the old
8832         compute_points_to_and_addr_escape.
8833         (handle_ptr_arith): New.
8834         (find_func_aliases): Call update_alias_info.
8835         Call handle_ptr_info for tcc_binary expressions.
8836         Call mark_stmt_modified.
8837         (create_variable_info_for): If DECL has subvars, do not create
8838         variables for its subvars.  Always add all the fields.
8839         (set_uids_in_ptset): If the solution includes ANYOFFSET and
8840         SFTs, then add all the SFTs of the structure.
8841         If VI->DECL is an aggregate with subvariables, add the SFT at
8842         VI->OFFSET.
8843         (find_what_p_points_to): If VI is an artificial variable,
8844         translate to bitfields in SSA_NAME_PTR_INFO.
8845         If the solution is empty, set pi->pt_vars to NULL
8846         (init_base_vars): Create ANYOFFSET.
8847         (compute_points_to_sets): Rename from create_alias_vars.
8848         Make extern.
8849         (pass_build_pta): Remove.
8850         (delete_points_to_sets): Rename from delete_alias_vars.
8851         (pass_del_pta): Remove.
8852         * tree-ssa-structalias.h (struct alias_info): Move from
8853         tree-ssa-alias.h.
8854         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8855         NUM_REFERENCES_SET): Likewise.
8856         (compute_points_to_sets, delete_points_to_sets): Declare.
8857
8858 2005-07-09  Richard Henderson  <rth@redhat.com>
8859
8860         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8861         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8862         alpha_split_lock_test_and_set_12): New functions.
8863         * config/alpha/alpha-protos.h: Update.
8864         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8865         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8866         * config/alpha/sync.md (I12MODE): New.
8867         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8868         (sync_<fetchop_name><I48MODE>): Likewise.
8869         (sync_nand<I48MODE>): Likewise.
8870         (sync_old_<fetchop_name><I48MODE>): Likewise.
8871         (sync_new_<fetchop_name><I48MODE>): Likewise.
8872         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8873         (sync_compare_and_swap<I48MODE>): Likewise.
8874         (sync_lock_test_and_set<I48MODE>): Likewise.
8875         (sync_compare_and_swap<I12MODE>): New.
8876         (sync_compare_and_swap<I12MODE>_1): New.
8877         (sync_lock_test_and_set<I12MODE>): New.
8878         (sync_lock_test_and_set<I12MODE>_1): New.
8879
8880 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
8881
8882         PR 21356
8883         PR 22332
8884         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8885
8886 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
8887
8888         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8889         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8890
8891 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
8892
8893         PR target/21656
8894         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8895
8896 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
8897
8898         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8899         memory_operand constraint.
8900         (store_conditional_<mode>): Same.
8901         (sync_compare_and_swap<mode>): Same.
8902         (sync_lock_test_and_set<mode>): Same.
8903
8904 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
8905
8906         Rewrite PIC support to more closely model actual instructions.
8907         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8908         (cris_symbol): Remove prototypes for removed functions.
8909         (cris_pic_symbol_type_of, cris_valid_pic_const)
8910         (cris_expand_pic_call_address): Prototypes for new functions.
8911         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8912         variable.
8913         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8914         modifiers.
8915         <case ':'>: Add case for new punctuation character.
8916         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8917         emitting (extra) PIC modifier.
8918         <case UNSPEC>: Do not assert for PLT.
8919         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8920         (cris_expand_prologue, cris_expand_epilogue): Check
8921         for pic_offset_table_rtx usage instead of taking
8922         current_function_uses_pic_offset_table as the final word.
8923         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8924         Remove flag_pic difference.
8925         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8926         the moral equivalents of...
8927         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8928         functions.
8929         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8930         (cris_handle_option): Mark ARG as unused.
8931         (cris_expand_pic_call_address): New worker function for "call",
8932         "call_value".
8933         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8934         output PIC constructs here.
8935         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8936         as symbol-specific modifers, not whole or part of operands.
8937         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8938         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8939         constants and flag_pic.
8940         (CONSTANT_INDEX_P): Adjust for new functions.
8941         (enum cris_pic_symbol_type): New helper type.
8942         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8943         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8944         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8945         define_constants.
8946         ("movsi"): Emit actual instructions for GOT and relative access.
8947         ("*movsi_got_load"): New pattern to set up the register holding
8948         the GOT pointer.
8949         ("*movsi_internal"): Operand 1 is not a plain general_operand.
8950         Adjust FIXME for 'S'.
8951         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8952         Use "movs" for -fpic cases.
8953         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8954         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8955         ("call", "call_value"): Just call cris_expand_pic_call_address for
8956         PIC addresses.
8957         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8958         Remove special pattern.
8959         ("*expanded_call_side", "*expanded_call_value_side"): New
8960         patterns.
8961         (gotplt-to-plt, gotplt-to-plt-side-call)
8962         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8963         peephole2:s.
8964         * config/cris/cris/predicates.md
8965         ("cris_general_operand_or_gotless_symbol"): Remove unused
8966         predicate.
8967         ("cris_general_operand_or_symbol"): Adjust for new functions.
8968
8969 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
8970
8971         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8972
8973 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
8974
8975         * Makefile.in (TREE_H): Add treestruct.def.
8976         (c-decl.o): Add pointer-set.h
8977         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8978         visibility on regular DECL's.
8979         (merge_decls): Fix the copying of decl nodes of various types for
8980         the new structures.  Don't update RTL, section name, weak status,
8981         etc, on DECL's without RTL.
8982         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8983         Don't check volatile on non-variable types.
8984         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8985         to check whether we have seen arguments.
8986         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8987         flag is checked before field (flag is common, field is not).
8988         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
8989         TS_DECL_COMMON could have an origin.
8990         (add_location_or_const_value_attribute): Don't check section name
8991         on non-var/function decls.
8992         (dwarf2out_var_location): Reverse order of tests.
8993         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8994         with DECL_WRTL_CHECK.
8995         * expmed.c (make_tree): rtl is now in decl_with_rtl.
8996         * fold-const.c (fold_binary): Don't check weakness on
8997         non-var/function decls.
8998         (tree_expr_nonzero_p): Ditto.
8999         (fold_checksum_tree): Use tree_decl_extra as sizeof
9000         buffer.
9001         * ggc-page.c (extra_order_size_table): Add sizes for
9002         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
9003         tree_field_decl.
9004         * gimplify.c (gimplify_bind_expr): Only set
9005         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9006         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9007         without RTL.
9008         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9009         * langhooks.h (init_ts). New langhook.
9010         * passes.c (rest_of_decl_compilation): Reverse order of tests.
9011         * print-tree.c (print_node): Update to only print fields that
9012         exist in the structures the passed decl has.
9013         * toplev.c (wrapup_global_declarations): Don't reset
9014         DECL_DEFER_OUTPUT on DECL's that don't contain it.
9015         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9016         * tree-inline.c (remap_decl): Ditto.
9017         * tree-outof-ssa.c (create_temp): Reverse order of tests.
9018         * tree-pretty-print.c (print_declaration): Don't print
9019         DECL_REGISTER on things that don't contain it.
9020         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9021         non-var/function decls.
9022         * tree.c (tree_contains_struct): New structure.
9023         (init_priority_for_decl): New hashtable.
9024         (tree_int_map): New structure.
9025         (tree_int_map_eq): New function.
9026         (tree_int_map_marked_p): Ditto.
9027         (tree_int_map_hash): Ditto.
9028         (tree_map): Move to tree.h.
9029         (tree_map_eq): Externalize.
9030         (tree_map_hash): Ditto.
9031         (tree_map_marked_p): Ditto.
9032         (init_ttree): Set up tree_contains_struct and call langhook.
9033         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9034         (tree_code_size): Update for new structures.
9035         (tree_node_structure): Update for new structures.
9036         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9037         without the field.
9038         (copy_node_stat):  Copy init priority.
9039         (build_decl_stat): Ditto for visibility.
9040         (ts_enum_names): New.
9041         (tree_contains_struct_check_failed): New function.
9042         (decl_init_priority_lookup): Ditto.
9043         (decl_init_priority_insert): Ditto.
9044         * treestruct.def: New file.
9045         * tree.h (CODE_CONTAINS_STRUCT): New macro.
9046         (CONTAINS_STRUCT_CHECK): Ditto.
9047         (tree_contains_struct_check_failed): New prototype.
9048         (DECL_CHECK): Removed.
9049         (DECL_MINIMAL_CHECK): New.
9050         (DECL_COMMON_CHECK): Ditto.
9051         (DECL_WRTL_CHECK): Ditto.
9052         (DECL_NON_COMMON_CHECK): Ditto.
9053         (DECL_WITH_VIS_CHECK): Ditto.
9054         (VAR_OR_FUNCTION_DECL_P): Ditto
9055         (struct tree_decl_minimal): New structure.
9056         (struct tree_decl_common): Ditto.
9057         (struct tree_decl_with_rtl): Ditto.
9058         (struct tree_decl_with_vis): Ditto.
9059         (struct tree_decl_non_common): Ditto.
9060         (struct tree_field_decl): Ditto.
9061         (struct tree_parm_decl): Ditto.
9062         (struct tree_var_decl): Ditto.
9063         (struct tree_function_decl): Ditto.
9064         (struct tree_const_decl): Ditto.
9065         (struct tree_result_decl): Ditto.
9066         (union tree_node): Add new structures.
9067         * var-tracking.c (track_expr_p): Reverse order of tests.
9068
9069         * doc/c-tree.texi: Add documentation on DECL node internal structure.
9070
9071 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9072
9073         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9074         * system.h: Poison FINALIZE_PIC.
9075         * doc/tm.texi (FINALIZE_PIC): Remove.
9076
9077 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9078
9079         PR tree-opt/22329
9080         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9081         to the correct type if we have a MODIFY_EXPR.
9082
9083 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9084
9085         PR tree-optimization/22360
9086         * tree.c (upper_bound_in_type): Fix calculations for casting
9087         to a non-wider signed type and casting a signed value to a
9088         wider unsigned type.
9089         (lower_bound_in_type): Fix calculations for casting to a
9090         non-wider signed type.
9091
9092         PR tree-optimization/20139
9093         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9094         release_defs.
9095         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9096         fold_cond_expr_cond.
9097         * tree-ssanames.c (release_defs): Assert in_ssa_p.
9098         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9099
9100 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9101
9102         PR tree-opt/22356
9103         * tree-complex.c (expand_complex_libcall): Produce
9104         REALPART_EXPR/IMAGPART_EXPR with the correct type.
9105
9106 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
9107
9108         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9109         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9110         b" assert and inserted fastpath code for this case.
9111         (bitmap_ior): Removed "a != b" assert.
9112
9113 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9114
9115         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9116         (ENDFILE_SPEC): Likewise.
9117         * config/m32r/m32r.h (ASM_SPEC): Likewise.
9118
9119         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9120         a large stack frame at epilogue.
9121
9122 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
9123
9124         * final.c: Include sdbout.h when required.
9125
9126 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
9127
9128         * config.gcc (*-*-darwin*): Only one target-specific header file
9129         for generic darwin.
9130         (powerpc-*-darwin*): Add version-specific header files.
9131         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9132         * config.in: Regenerate.
9133         * configure: Regenerate.
9134         * gcc.c: Include xregex.h.
9135         (version_compare_spec_function): New.
9136         (spec_function): Add version-compare.
9137         (replace_outfile_spec_function): Reformat comment.
9138         (compare_version_strings): New.
9139         * config/darwin-c.c (version_as_macro): New.
9140         (builtin_define): New.
9141         (darwin_cpp_builtins): New.
9142         * config/darwin-protos.h (darwin_cpp_builtins): New.
9143         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9144         (LIB_SPEC): Make unconditional, update comment.
9145         (TARGET_C99_FUNCTIONS): Define.
9146         * config/darwin.opt: Sort.
9147         (mmacosx-version-min=): New.
9148         * config/darwin7.h: Delete.
9149         * config/darwin8.h: Delete.
9150         * config/i386/darwin.h (): Call darwin_cpp_builtins.
9151         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9152         (TARGET_C99_FUNCTIONS): Define.
9153         * config/rs6000/darwin7.h: New.
9154         * config/rs6000/darwin8.h: New.
9155         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9156         (-mmacosx-version-min): Document.
9157
9158 2005-07-07  Ian Lance Taylor  <ian@airs.com>
9159
9160         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9161
9162 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
9163
9164         PR middle-end/22239
9165         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9166
9167 2005-07-07  Khem Raj  <kraj@mvista.com>
9168
9169         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9170         in bytes, not words.
9171
9172 2005-07-07  Paul Brook  <paul@codesourcery.com>
9173
9174         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9175         DEFAULT_FUNCTION_ARG_PADDING to upward.
9176
9177 2005-07-07  Richard Henderson  <rth@redhat.com>
9178
9179         * function.c (locate_and_pad_parm): Record parameter alignment in
9180         stack_alignment_needed.
9181
9182 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
9183
9184         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9185         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9186         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9187         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9188         (define_attr "type"): Add isync, sync, load_l, store_c.
9189         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9190         Create scratch volatile MEM.
9191         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
9192         sync.
9193         (load_locked_<mode>): New.
9194         (store_conditional_<mode>): New.
9195         (sync_compare_and_swap<mode>): Replace with splitter.
9196         (sync_lock_test_and_set<mode>): Replace with splitter.
9197         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9198         and UNSPECV_ISYNC.
9199         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
9200         is ics.  Attribute isync.
9201         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
9202         lwsync.
9203         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9204         and UNSPECV_SYNC_OP.
9205         (emit_unlikely_jump): New.
9206         (emit_load_locked): New.
9207         (emit_store_conditional): New.
9208         (rs6000_split_compare_and_swap): New.
9209         (rs6000_split_lock_test_and_set): New.
9210         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9211         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9212         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9213         rs6000_split_lock_test_and_set): Declare.
9214         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9215         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9216         store_c, isync, sync.
9217
9218 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
9219
9220         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9221         filenames to gtyp-gen.h.
9222         (s-typ-gen): Use it in place of for loops.
9223
9224 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
9225
9226         * hooks.c (hook_bool_rtx_int_false): New function.
9227         * hooks.h (hook_bool_rtx_int_false): Declare.
9228         * target-def.h (TARGET_COMMUTATIVE_P): Define.
9229         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9230         * target.h (struct gcc_target): Add commutative_p member.
9231         * targhooks.c (hook_bool_rtx_commutative_p): New function.
9232         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9233         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9234         (pa_commutative_p): New function.
9235         * jump.c (target.h): Include.
9236         (rtx_renumbered_equal_p): Use targetm.commutative_p.
9237         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9238
9239 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9240
9241         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9242         (s390_expand_setmem): New.
9243         * config/s390/s390.c: Likewise.
9244         (print_shift_count_operand): Truncate to 12 bits instead of 6.
9245         Adapt comments.
9246         * config/s390/s390.md: ("setmem<mode>"): Accept character as
9247         general_operand.  Call new function "s390_expand_setmem".
9248         ("clrmem_long", "*clrmem_long"): Rewrite to ...
9249         ("setmem_long", "*setmem_long"): ... this.
9250
9251 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9252
9253         * config/s390/s390.c: (optimization_options): Enable
9254         TARGET_MVCLE at -Os.
9255         * doc/invoke.texi: Document changes in default behaviour.
9256         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9257
9258 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9259
9260         * expr.c: (set_storage_via_setmem): Convert opchar to mode
9261         defined by back-end.
9262
9263 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
9264
9265         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9266         all sets in the pattern.
9267         * config/rs6000/rs6000.md (stack_protect_testsi,
9268         stack_protect_testdi): Likewise.
9269
9270 2005-07-06  Jeff Law  <law@redhat.com>
9271
9272         * tree-vrp.c (simplify_using_ranges): Kill.
9273         (vrp_finalize): Remove call to simplify_using_ranges.
9274         (simplify_stmt_using_ranges): New function extracted from
9275         simplify_using_ranges.
9276         (simplify_div_or_mod_using_ranges): Likewise.
9277         (simplify_abs_using_ranges): Likewise.
9278         (simplify_cond_using_ranges): New function.
9279         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9280         * tree-ssa-propagate.c (substitute_and_fold): Call
9281         simplify_stmt_using_ranges if we have range information.
9282
9283 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
9284
9285         * config/ia64/ia64.c (ia64_reorg): Check optimize before
9286         ia64_flag_schedule_isns2.
9287
9288         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9289         reading/writing general registers.
9290         (ia64_function_arg): Revert 2005-06-18 change.
9291
9292 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
9293
9294         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9295         (legitimize_tls_address): Use gcc_unreachable instead of abort.
9296
9297 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
9298
9299         * function.c (expand_function_end): Revert part of 2005-06-27
9300         patch.  Do sjlj_emit_function_exit_after after return_label.
9301
9302 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9303
9304         * doc/install.texi (--disable-libssp): New.
9305
9306 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
9307
9308         * doc/invoke.texi: Update -fforce-mem documentation.
9309         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9310         code for -fforce-mem.
9311         * expmed.c: (store_bit_field,store_fixed_bit_field,
9312         extract_bit_field): Ditto.
9313         * expr.c: (convert_move): Ditto.
9314         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9315         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9316         emit_conditional_add,expand_float,expand_fix): Ditto.
9317         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9318         (common_handle_option): Issue warning when -fforce-mem specified.
9319
9320 2005-07-06  Paul Brook  <paul@codesourcery.com>
9321
9322         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9323         argument is empty.
9324         * configure: Regenerate.
9325
9326 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
9327
9328         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9329
9330 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
9331
9332         Fix PR tree-optimization/22319
9333         Fix PR tree-optimization/22140
9334         Fix PR tree-optimization/22310
9335
9336         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9337         variable sized types.
9338         Use correct type for intermediate structure on *a = *b structure
9339         copies.
9340
9341 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9342
9343         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9344         Remove.
9345         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9346         (machine_function): Move typedef to...
9347         * config/rs6000/rs6000.c (machine_function): ... here.  Add
9348         varargs_save_offset field.
9349         (rs6000_stack_t): Remove varargs_size field.
9350         (setup_incoming_varargs): Allocate varargs save area using
9351         assign_stack_local, try to make it as small as possible.
9352         Save offset from virtual_stack_vars_rtx to the save area
9353         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
9354         instead of magic 8 when fp word byte size is used.
9355         (rs6000_va_start): Use cfun->machine->varargs_save_offset
9356         instead of -RS6000_VARARGS_SIZE.
9357         (rs6000_stack_info, debug_stack_info,
9358         rs6000_initial_elimination_offset): Remove all traces of
9359         varargs_size.
9360         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9361         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9362         RS6000_VARARGS_AREA.
9363
9364 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
9365
9366         PR tree-optimization/21963
9367         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9368         constant_multiple_of in the same way get_computation_cost_at does.
9369
9370 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9371
9372         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9373         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9374         (gen_compare_reg): If sparc_compare_emitted is set, clear it
9375         and return its previous value.
9376         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9377         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9378         constants.
9379         (stack_protect_set, stack_protect_test): New expanders.
9380         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9381         stack_protect_testdi): New insns.
9382         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9383         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9384
9385 2005-07-06  Jeff Law  <law@redhat.com>
9386
9387         * tree-ssa-dce.c (cfg_altered): New global.
9388         (tree_dce_init): Initialize cfg_altered.
9389         (remove_dead_stmt): If we remove an edge in the CFG, then set
9390         CFG_ALTERED.
9391         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9392         the dominators.
9393
9394 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9395
9396         * Makefile.in (stamp-collect-ld): Use
9397         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
9398         ./collect-ld if it already exists.
9399         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9400         Don't remove ./nm if it already exists.
9401
9402 2005-07-05  Devang Patel  <dpatel@apple.com>
9403
9404         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9405         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9406         * tree-vectorizer.c (vect_loop_location): New.
9407         (vect_print_dump_info): Use vect_loop_location.
9408         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9409         (vectorize_loops): Set vect_loop_location.
9410         * tree-vect-analyze.c (vect_analyze_offset_expr,
9411         vect_determin_vectorization_factor, vect_analyze_operations,
9412         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9413         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9414         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9415         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9416         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9417         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9418         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9419         vect_analyze_loop): Adjust vect_print_dump_info API.
9420         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9421         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9422         vect_finish_stmt_generation, vectorizable_assignment,
9423         vectorizable_operation, vectorizable_store, vectorizable_load,
9424         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9425         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9426         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9427         vect_transform_loop): Same.
9428         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9429         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9430         Same.
9431
9432 2005-07-05  Randolph Chung  <tausq@debian.org>
9433
9434         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9435         * configure: Regenerate.
9436         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9437         (pa_tls_referenced_p): Declare.
9438         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9439         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9440         (legitimize_tls_address): New.
9441         (hppa_legitimize_address): Handle TLS addresses.
9442         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9443         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9444         (emit_move_sequence): Handle TLS addresses.
9445         (pa_encode_section_info): Call default handler to handle common
9446         sections.
9447         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9448         (CONSTANT_ADDRESS_P): Reject TLS operands.
9449         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9450         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9451         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9452         (UNSPEC_TLSLE): Define new constants.
9453         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9454         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9455         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9456         (tie_symbolic_operand, tle_symbolic_operand): New
9457
9458 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
9459
9460         * aclocal.m4: Update macros for autoconf 2.59 style.
9461         * configure.ac: Likewise.
9462
9463 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9464
9465         * pa.c (function_value): Handle small aggregates on 32-bit targets.
9466         (function_arg): Pass small aggregates in general registers on 32-bit
9467         targets.
9468         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9469
9470 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
9471
9472         * Makefile.in (final.o): Fix dependencies.
9473
9474 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
9475
9476         PR c/22013
9477         PR c/22098
9478         * langhooks.h (struct lang_hooks): Add expr_to_decl.
9479         * langhooks.c (lhd_expr_to_decl): New.
9480         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9481         New.
9482         (LANG_HOOKS_INITIALIZER): Update.
9483         * tree.c (recompute_tree_invarant_for_addr_expr): Call
9484         expr_to_decl langhook.
9485         * c-tree.h (c_expr_to_decl): Declare.
9486         * c-typeck.c (c_expr_to_decl): New.
9487         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9488         specially.
9489         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9490
9491 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
9492
9493         PR c/22308
9494         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9495         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9496
9497 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
9498
9499         * Makefile.in: Adjust dependencies.
9500         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9501         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9502         * alias.c (rest_of_handle_cfg, pass_cfg): New.
9503         * bb-reorder.c (duplicate_computed_gotos): Make it static.
9504         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9505         rest_of_compilation.
9506
9507         * bb-reorder.c (gate_duplicate_computed_gotos,
9508         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9509         rest_of_handle_reorder_blocks, pass_reorder_blocks,
9510         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9511         pass_partition_blocks): New.
9512         * bt-load.c (gate_handle_branch_target_load_optimize,
9513         rest_of_handle_branch_target_load_optimize,
9514         pass_branch_target_load_optimize): New.
9515         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9516         pass_jump2): New.
9517         * cfglayout.c (pass_insn_locators_initialize): New.
9518         * cfgrtl.c (pass_free_cfg): New.
9519         * combine.c (gate_handle_combine, rest_of_handle_combine,
9520         pass_combine): New.
9521         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9522         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9523         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9524         * except.c (pass_set_nothrow_function_flags,
9525         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9526         pass_rtl_eh): New.
9527         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9528         rest_of_handle_shorten_branches, pass_shorten_branches,
9529         rest_of_clean_state, pass_clean_state): New.
9530         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9531         rest_of_handle_remove_death_notes, pass_remove_death_notes,
9532         rest_of_handle_life, pass_life, rest_of_handle_flow2,
9533         pass_flow2): New.
9534         * function.c (pass_instantiate_virtual_regs, pass_init_function,
9535         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9536         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9537         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9538         pass_gcse): New.
9539         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9540         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9541         pass_rtl_ifcvt, gate_handle_if_after_combine,
9542         rest_of_handle_if_after_combine, pass_if_after_combine,
9543         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9544         pass_if_after_reload): New.
9545         * integrate.c (pass_initial_value_sets): New.
9546         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9547         pass_purge_lineno_notes): New.
9548         * mode-switching.c (rest_of_handle_mode_switching,
9549         pass_mode_switching): New.
9550         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9551         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9552         pass_loop2): New.
9553         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9554         pass_loop_optimize): New.
9555         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9556         pass_sms): New.
9557         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9558         pass_gcse2): New.
9559         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9560         pass_postreload_cse): New.
9561         * profile.c (gate_handle_profiling, pass_profiling,
9562         rest_of_handle_branch_prob, pass_branch_prob): New.
9563         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9564         pass_split_before_regstack, gate_handle_split_before_regstack,
9565         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9566         rest_of_handle_split_all_insns, pass_split_all_insns): New.
9567         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9568         pass_stack_regs): New.
9569         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9570         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9571         pass_stack_adjustments): New.
9572         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9573         pass_regrename): New.
9574         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9575         pass_delay_slots, gate_handle_machine_reorg,
9576         rest_of_handle_machine_reorg, pass_machine_reorg): New.
9577         * rtl.h (extern void purge_line_number_notes): New.
9578         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9579         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9580         pass_sched2): New.
9581         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9582         pass_tracer): New.
9583         * value-prof.c (gate_handle_value_profile_transformations,
9584         rest_of_handle_value_profile_transformations,
9585         pass_value_profile_transformations): New.
9586         * var-tracking.c (gate_handle_var_tracking,
9587         pass_variable_tracking): New.
9588         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9589
9590         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9591         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9592         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9593         rest_of_handle_old_regalloc, rest_of_handle_regrename,
9594         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9595         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9596         rest_of_handle_gcse2, rest_of_handle_regmove,
9597         rest_of_handle_tracer, rest_of_handle_if_conversion,
9598         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9599         rest_of_handle_web, rest_of_handle_branch_prob,
9600         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9601         rest_of_handle_jump_bypass, rest_of_handle_combine,
9602         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9603         rest_of_handle_gcse, rest_of_handle_loop_optimize,
9604         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9605         rest_of_handle_mode_switching, rest_of_handle_jump,
9606         rest_of_handle_eh, rest_of_handle_stack_adjustments,
9607         rest_of_handle_flow2, rest_of_handle_jump2,
9608         rest_of_handle_peephole2, rest_of_handle_postreload,
9609         rest_of_handle_shorten_branches, rest_of_clean_state,
9610         rest_of_compilation): Remove.
9611
9612         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9613         * passes.c (dump_flags, in_gimple_form, all_passes,
9614         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9615         register_dump_files, next_pass_1, last_verified, execute_todo,
9616         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9617         from tree-optimize.c.
9618         (init_optimization_passes): Moved from tree-optimize.c,
9619         adding the RTL optimizations.
9620         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9621         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9622         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9623         register_dump_files, next_pass_1, last_verified, execute_todo,
9624         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9625         init_tree_optimization_passes, ipa_passes): Delete.
9626         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9627         the RTL dumps.
9628         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9629         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9630         from tree.h.
9631         (ipa_passes): Remove.
9632         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9633         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9634         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9635         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9636         (dump_info_p, dump_flag): Moved to tree-dump.h.
9637
9638         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9639         cgraph.c, opts.c.
9640         * passes.c (finish_optimization_passes): Use dump_begin
9641         and dump_end, TDI_end.
9642         (gate_rest_of_compilation): New.
9643         (pass_rest_of_compilation): Use it.
9644         (gate_postreload, pass_postreload): New.
9645         * toplev.c (general_init): Rename init_tree_optimization_passes.
9646         * toplev.h (init_tree_optimization_passes): Rename to
9647         init_optimizations_passes.
9648         * tree-dump.c (dump_flag): Make static.
9649         (dump_files): Remove RTL dumps.
9650         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9651         pass_cleanup_cfg, pass_free_cfg_annotations,
9652         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9653         pass_init_datastructures, pass_fixup_cfg): Make non-static.
9654         * tree-pretty-print.c: Include tree-pass.h.
9655         * cgraph.c: Include tree-dump.h.
9656
9657 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
9658
9659         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9660         Only fall back to saying it points to readonly memory if
9661         we can't do better.
9662
9663 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9664
9665         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9666         * config/m32r/m32r.c (m32r_compute_frame_size,
9667         m32r_expand_prologue): Take current_function_profile into
9668         account whenever we reference
9669         current_function_uses_pic_offset_table.
9670         (m32r_finalize_pic): Remove.
9671         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9672
9673 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
9674
9675         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9676         instead of $<.  Don't remove ./as if it already exists.
9677
9678 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9679
9680         PR target/21723
9681         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9682         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9683         for complex modes when generating code for PA 1.0.
9684         (VALID_FP_MODE_P): New macro.
9685         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
9686         sets for all general and floating point modes.  Align wide floating
9687         point modes to even register boundaries to comply with architectural
9688         requirements.
9689         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9690         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9691         (VALID_FP_MODE_P): New macro.
9692         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
9693         sets for all general and floating point modes.  Align wide floating
9694         point modes to even register boundaries to comply with architectural
9695         requirements.
9696
9697 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9698
9699         * tree-dump.c (dump_files): Initialize dump number for .cgraph
9700         to 0.
9701
9702 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9703
9704         * tree-ssa-structalias.c: Don't include expr.h.
9705
9706 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9707
9708         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9709         comments.
9710
9711 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
9712
9713         Fix PR tree-optimization/22279
9714
9715         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9716         correct operator.
9717
9718 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
9719
9720         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9721
9722 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
9723
9724         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9725         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9726         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9727         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9728         config/stormy16/stormy16.c, config/v850/v850.c,
9729         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9730         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9731         Avoid "." or "\n" at end of diagnostics and capital letters at
9732         start of diagnostics.
9733         * combine.c, cse.c: Don't translate dump file output.
9734         * toplev.c (print_version): Only translate output if going to
9735         stderr.
9736
9737 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
9738
9739         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9740         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9741         typos.
9742
9743 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9744
9745         * pa.c (fix_range): Fix typo in comment.
9746
9747 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
9748
9749         * tree-vrp.c (extract_range_from_assert): Replace
9750         fold (build (...)) with fold_build2.
9751
9752 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9753
9754         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9755         gcc_gfc_char_table, init_dynamic_gfc_info): New.
9756         (format_types_orig, handle_format_attribute): Add support for
9757         format "gcc_gfc".
9758
9759 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9760
9761         * varasm.c (assemble_variable): Fix format specifier thinko.
9762
9763 2005-07-03  Ira Rosen  <irar@il.ibm.com>
9764
9765         PR tree-optimization/22029 (and 22135)
9766         * tree-pretty-print.c (dump_generic_node): Check that the node is not
9767         a phi node before calling dump_vops.
9768
9769 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9770
9771         * tree-dump.h (dump_string_field): Declare.
9772         * tree-dump.c: Use it instead of dump_string.
9773         (dump_string_field): Make non-static.
9774
9775 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
9776
9777         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9778         up the minimal CFG stuff always when optimize > 0.  Call
9779         split_all_insns_noflow in PIC case if needed.
9780
9781 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9782             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9783
9784         PR c++/18279
9785         * c-decl.c (c_write_global_declarations): Dump contents of
9786         external scope to.
9787         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9788         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9789         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9790         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9791         is enabled.
9792
9793 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
9794
9795         * c-common.h (GCC_DIAG_STYLE): Define.
9796         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
9797         version for format checking to 4.1.
9798         * c-format.c: Include toplev.h after c-common.h.
9799         (enum format_type): Add gcc_tdiag_format_type.
9800         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9801         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9802         (format_types_orig): Add gcc_tdiag.
9803         (init_dynamic_diag_info): Support gcc_tdiag formats.
9804         (handle_format_attribute): Likewise.
9805         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9806         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
9807         version for format checking to 4.1.
9808         (warning0, warning, error, pedwarn, sorry): Use
9809         ATTRIBUTE_GCC_DIAG.
9810         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9811         (finish_aliases_1): Do not use %qE.
9812         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9813         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9814         Correct format bugs.
9815         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9816         parameter to unsigned HOST_WIDE_INT.
9817         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9818
9819 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
9820
9821         PR middle-end/21742
9822         * expr.c (write_complex_part): Use adjust_address for MEM.
9823         (read_complex_part): Same.
9824
9825 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
9826
9827         Fix PR tree-optimization/22280
9828
9829         * tree-sra.c (generate_element_init): Remove useless loop.
9830
9831 2005-07-02  Richard Henderson  <rth@redhat.com>
9832
9833         * config/alpha/alpha.c (alpha_legitimize_address): Check for
9834         TLS_MODEL_NONE.
9835         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9836
9837 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
9838
9839         PR middle-end/14490
9840         * fold-const.c (fold_binary): Handle the return value of
9841         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9842         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9843
9844 2005-07-02  Jeff Law  <law@redhat.com>
9845
9846         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9847         a eliminate type conversion which feeds an equality comparison
9848         if the original type or either operand in the comparison is a
9849         function pointer.
9850
9851 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
9852
9853         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9854         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9855         texts.
9856         * config/avr/avr.c: Do not use '`' as left quote.
9857         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9858         Remove "." from end of diagnostics.  Make diagnostics start with
9859         lowercase letter.
9860
9861 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
9862             Joseph S. Myers  <joseph@codesourcery.com>
9863
9864         * toplev.c (default_tree_printer): Handle setting location with
9865         '+' flag.
9866         * c-objc.common.c (c_tree_printer): Likewise.
9867         * c-format.c (gcc_diag_flag_specs): Add '+'.
9868         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9869         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9870         formats.
9871         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9872         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9873         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9874         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9875         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9876         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
9877         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
9878         format arguments where %J is used without %D.
9879
9880 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
9881
9882         * gcc.c (LINK_SSP_SPEC): Define.
9883         (link_ssp_spec): New variable.
9884         (LINK_COMMAND_SPEC): Add %(link_ssp).
9885         (static_specs): Add link_ssp_spec.
9886         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9887         * configure: Rebuilt.
9888         * config.in: Rebuilt.
9889
9890         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9891         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9892         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9893         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9894         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9895         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9896         -0x7008(2) instead of reading __stack_chk_guard variable.
9897         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9898         number.
9899         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9900         (stack_protect_set, stack_protect_test): Use *_tls* patterns
9901         if TARGET_THREAD_SSP_OFFSET is defined.
9902         (stack_tls_protect_set_si, stack_tls_protect_set_di,
9903         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9904
9905         Revert:
9906         2005-06-27  Richard Henderson  <rth@redhat.com>
9907         * libgcc-std.ver (GCC_4.1.0): New.
9908         * libgcc.h (__stack_chk_guard): Declare.
9909         (__stack_chk_fail, __stack_chk_fail_local): Declare.
9910         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9911         * mklibgcc.in (lib2funcs): Add them.
9912
9913 2005-07-01  Richard Henderson  <rth@redhat.com>
9914
9915         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9916         void * before struct sigcontext *.
9917         (x86_fallback_frame_state): Likewise.
9918
9919 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
9920
9921         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9922
9923 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
9924
9925         PR tree-opt/22269
9926         * tree-ssa-reassoc.c (should_transpose): Fix which operand
9927         we check for SSA_NAME for.
9928
9929 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
9930
9931         Fix PR tree-optimization/22071
9932
9933         * tree-ssa-structalias.c (offset_overlaps_with_access): New
9934         function.
9935         (get_constraint_for_component_ref): Use it.
9936
9937 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
9938
9939         PR other/22264
9940         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9941         print out the last new line.
9942
9943 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
9944
9945         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9946         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9947         * config/cris/cris.c (cris_conditional_register_usage): Adjust
9948         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9949         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9950         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9951         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9952         (enum reg_class): New member CC0_REGS.
9953         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9954         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9955         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9956         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9957         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9958         Adjust for register now described.
9959
9960 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
9961
9962         PR target/22262
9963         * config/i386/i386.md (stack_protect_test_si,
9964         stack_protect_test_di): Add earlyclobber for scratch 3.
9965         * config/rs6000/rs6000.md (stack_protect_testsi,
9966         stack_protect_testdi): Add earlyclobber for scratch 3,
9967         remove earlyclobber from scratch 4.
9968
9969 Older entries for 2005 can be found in ChangeLog-2005.