gcc/ChangeLog

   1 2005-01-26  Richard Henderson  <rth@redhat.com>
   2
   3         PR middle-end/18008
   4         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
   5         field's type.
   6         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
   7         if we don't need the bits above those present in the current mode.
   8         * expr.c (store_field): Strip conversions to odd-bit-sized types
   9         if the destination field width matches.
  10
  11 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
  12
  13         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
  14         either -ffast-math or -funsafe-math-optimizations is in use.
  15
  16 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
  17
  18         PR target/19293
  19         PR target/19329
  20         * config/avr/avr.c (notice_update_cc): Only set condition code for
  21         ashrqi3 if shift count > 0.
  22         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
  23         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
  24         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
  25         count <= 0 as a no-op, and shift count >= width by copying zero
  26         or sign bit to all bits of the result.
  27         * config/avr/avr.md (all shifts): Add alternatives for zero shift
  28         count, with attribute "length" set to 0 and "cc" set to "none".
  29
  30 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
  31
  32         * doc/invoke.texi: Document -mTLS.
  33
  34         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
  35         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
  36         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
  37         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
  38         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
  39         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
  40         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
  41         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
  42
  43         * configure.ac: Check for a TLS capable gas.
  44
  45         * configure: Regenerate.
  46
  47 2005-01-26  Richard Henderson  <rth@redhat.com>
  48
  49         PR middle-end/18008
  50         * combine.c (make_field_assignment): Simplify store to zero_extract
  51         from a source with an overlapping mask.
  52
  53 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
  54
  55         2004-11-11  Eric Christopher  <echristo@redhat.com>
  56
  57         * config/frv/frv.md: Add fr400_integer automaton. Don't
  58         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
  59         to TYPE_MACC.
  60
  61 2005-01-26  Steven Bosscher  <stevenb@suse.de>
  62
  63         PR middle-end/16585
  64         * cfgbuild.c (make_edges): Do not clear or set
  65         current_function_has_computed_jump.
  66         * function.h (struct function): Remove the has_computed_jump field.
  67         (current_function_has_computed_jump): Do not define.
  68         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
  69         in a computed jump.  Ignore current_function_has_computed_jump.
  70
  71 2005-01-26  Richard Henderson  <rth@redhat.com>
  72
  73         PR middle-end/19515
  74         * expr.c (categorize_ctor_elements): New argument p_must_clear.
  75         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
  76         fully initialized.
  77         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
  78         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
  79         objects into static storage if they have more than one non-zero value.
  80         * tree.h (categorize_ctor_elements): Update decl.
  81
  82 2005-01-26  Steven Bosscher  <stevenb@suse.de>
  83
  84         PR middle-end/19616
  85         * tree.h (CALL_EXPR_TAILCALL): Add comment.
  86         * calls.c (check_sibcall_argument_overlap_1): Revert the change
  87         to this function from 2004-07-10.
  88         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
  89         the current function for tail call optimizations if the address
  90         of one of it its arguments is taken.
  91
  92 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
  93
  94         * cse.c (fold_rtx): Call equiv_constant only when necessary.
  95
  96 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
  97
  98         * function.c (expand_function_end): If current_function_calls_alloca,
  99         emit stack restore in a place that is reached when the function falls
 100         through at the end.
 101
 102 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
 103
 104         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
 105         rule to avoid matching inappropriate suffix rule.
 106
 107 2005-01-26  Jan Hubicka  <jh@suse.cz>
 108
 109         PR tree-optimization/19241
 110         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
 111
 112 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
 113
 114         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
 115         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
 116         of doubling.
 117         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
 118         <sim*>: Always use crt1.o, regardless of N in simN.
 119         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
 120         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
 121         (CRT_CALL_STATIC_FUNCTION): Remove.
 122         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
 123         use crt1.o, regardless of N in simN.
 124         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
 125         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
 126         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
 127         case isystem setting.
 128         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
 129
 130 2005-01-25  Ian Lance Taylor  <ian@airs.com>
 131
 132         * gimple-low.c (block_may_fallthru): Correct handling of
 133         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
 134
 135 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
 136
 137         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
 138         handlers to match indentation; nested under the mtune=* handler.
 139         Similar for mcpu= and march=.
 140
 141 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
 142
 143         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
 144         * config/mips/linux64.h (LIB_SPEC): Likewise.
 145         * config/mn10300/linux.h (LIB_SPEC): Likewise.
 146         * config/sh/linux.h (LIB_SPEC): Likewise.
 147
 148 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
 149
 150         * config/frv/frv.c (frv_legitimize_tls_address): New.
 151         (TARGET_HAVE_TLS): Define.
 152         (FRV_SYMBOL_REF_TLS_P): Define.
 153         (frv_override_options): Handle new register classes.
 154         (frv_legitimate_address_p): Reject tls addresses.
 155         (frv_legitimize_address): Handle TLS addresses.
 156         (gen_inlined_tls_plt): New.
 157         (gen_tlsmoff): New.
 158         (frv_legitimize_tls_address): New.
 159         (unspec_got_name): Add TLS entries.
 160         (got12_operand): Add R_FRV_TLSMOFF12 case.
 161         (frv_emit_move): Fixup TLS addresses.
 162         (frv_emit_movsi): Legitimize TLS addresses.
 163
 164         * config/frv/frv.h (MASK_BIG_TLS): New.
 165         (TARGET_BIG_TLS): New.
 166         (HAVE_AS_TLS): Define.
 167         (TARGET_SWITCHES): Add -mTLS and -mtls options.
 168         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
 169         (REG_CLASS_NAMES): Same.
 170         (REG_CLASS_CONTENTS): Same.
 171         (CONSTRAINT_LEN): New.
 172         (REG_CLASS_FROM_CONSTRAINT): New.
 173         (PREDICATE_CODES): Add symbolic_operand.
 174
 175         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
 176         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
 177         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
 178         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
 179         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
 180         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
 181         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
 182         GR9_REG, GR14_REG, LRREG.
 183         (type): Add load_or_call attribute.
 184         ("load_or_call"): New reservation.
 185         ("call_gettlsoff"): New.
 186         ("tls_indirect_call"): New.
 187         ("tls_load_gottlsoff12"): New.
 188         ("tlsoff_hilo"): New.
 189         ("tls_tlsdesc_ldd"): New.
 190         ("tls_tlsoff_ld"): New.
 191         ("tls_lddi"): New.
 192
 193         * config/frv/frv-protos.h (symbolic_operand): Protoize.
 194
 195         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
 196
 197         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
 198         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
 199         * config/frv/frv.c (TLS_BIAS): Define.
 200         (frv_output_dwarf_dtprel): New.
 201
 202 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
 203
 204         PR rtl-optimization/19579
 205         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
 206         both A and B, see if they don't clobber registers the other expr uses.
 207
 208 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
 209
 210         * real.c (do_add): Initialize signalling and canonical members.
 211
 212         * real.c (real_from_integer): Zero out destination.
 213
 214 2005-01-18  Jan Hubicka  <jh@suse.cz>
 215
 216         PR tree-optimize/19337
 217         * tree-inline.c (initialize_inlined_parameters): Copy
 218         saved_static_chain_decl only.
 219
 220 2005-01-25  Richard Henderson  <rth@redhat.com>
 221
 222         PR target/19556
 223         PR target/19584
 224         * config/i386/i386.c (x86_inter_unit_moves): Zero.
 225         (ix86_preferred_reload_class): Rewrite fp-constant section, with
 226         80387 enabled, to return a proper subclass.  Return the subset that
 227         overlaps with GENERAL_REGS for PLUS.
 228         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
 229
 230 2005-01-25  Richard Henderson  <rth@redhat.com>
 231
 232         PR middle-end/19609
 233         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
 234
 235 2005-01-25  Roger Sayle  <roger@eyesopen.com>
 236
 237         * expmed.c (choose_multiplier): Change interface to return the
 238         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
 239         (expand_divmod): Update calls to choose_multiplier.
 240
 241 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 242
 243         PR middle-end/19330
 244         * expmed.c (extract_bit_field): Use adjust_address instead of
 245         gen_lowpart when op0 is a MEM.
 246
 247 2005-01-24  Steven Bosscher  <stevenb@suse.de>
 248
 249         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
 250
 251 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
 252
 253         * config/mips/irix-csr.c: New file.
 254         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
 255         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
 256         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
 257         executables.
 258
 259 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
 260
 261         PR bootstrap/19364
 262         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
 263         sparc/elf.h, add sparc/sp-elf.h.
 264         (sparc-*-rtems*): Likewise.
 265         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
 266         tm-dwarf2.h, add sparc/sp-elf.h.
 267         (sparc86x-*-elf): Likewise.
 268         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
 269         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
 270         TARGET_OS_CPP_BUILTINS.
 271         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 272         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 273         Undefine it.
 274         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
 275         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
 276         (SWITCH_TAKES_ARG): Likewise.
 277         (LOCAL_LABEL_PREFIX): Likewise.
 278         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
 279         (TARGET_N_FORMAT_TYPES): Delete.
 280         (TARGET_FORMAT_TYPES): Likewise.
 281         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
 282         * config/sparc/elf.h: Delete.
 283         * config/sparc/sp-elf.h: New file.
 284
 285 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
 286
 287         * tree-flow-inline.h (phi_arg_from_edge): Remove.
 288         * tree-flow.h: Remove the corresponding prototype.
 289         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
 290         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
 291
 292 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
 293
 294         PR target/17751
 295         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
 296         for AIX ABI or ELF -fPIC.
 297         (rs6000_emit_load_toc_table): Don't create toc_section here.
 298         (rs6000_xcoff_file_start): Nor here.
 299
 300 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
 301
 302         * sh.c (ra.h): Don't #include.
 303         (hard_regs_intersect_p): New function, resurrected from ra.c.
 304
 305         * sh.c: Fix 1996 Copyright.
 306
 307 2005-01-24  Richard Henderson  <rth@redhat.com>
 308             Aldy Hernandez  <aldyh@redhat.com>
 309
 310         * regrename.c (note_sets): Handle subregs.
 311
 312 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
 313
 314         PR bootstrap/18058
 315         * genconditions.c (write_header, write_conditions): Elide file if
 316         not GCC >= 3.0.1.
 317
 318 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
 319
 320         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
 321         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
 322         Update copyright.
 323
 324 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
 325
 326         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
 327         expand_builtin_printf, expand_builtin_fprintf,
 328         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
 329         checking against POINTER_TYPE.
 330         (validate_arglist): Handle POINTER_TYPE code by checking
 331         POINTER_TYPE_P.
 332
 333 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
 334
 335         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
 336         init_rtlanal): New.
 337         (for_each_rtx): Call for_each_rtx_1.
 338         * rtl.h (init_rtlanal): Declare.
 339         * toplev.c (backend_init): Call init_rtlanal.
 340
 341 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
 342
 343         * flow.c (propagate_one_insn): Formatting.
 344
 345         PR middle-end/19551
 346         * flow.c (libcall_dead_p): Be more conservative if unsure.
 347         If there are any instructions between insn and call, see if they are
 348         all dead before saying the libcall is dead.
 349
 350 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
 351
 352         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
 353         operand constraint for operand 0.
 354
 355 2005-01-23  Richard Henderson  <rth@redhat.com>
 356
 357         PR 19486
 358         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
 359         edges leading to join block.
 360
 361 2005-01-23  Roger Sayle  <roger@eyesopen.com>
 362
 363         * expmed.c (expand_mult_highpart): Make static.  Change type of
 364         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
 365         (expand_divmod): Updates calls to expand_mult_highpart by using
 366         gen_int_mode to pass a CONST_INT rtx.
 367         * rtl.h (expand_mult_highpart): Remove prototype.
 368
 369 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
 370
 371         * flow.c (regset_bytes, regset_size): Remove.
 372
 373         * cfganal.c: Fix a reference to Harvey's paper.
 374
 375 2005-01-23  Steven Bosscher  <stevenb@suse.de>
 376
 377         PR rtl-optimization/19464
 378         * tree-optimize.c (init_tree_optimization_passes): Add one more
 379         copyrename pass just before out-of-ssa.
 380
 381 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
 382
 383         PR bootstrap/18058
 384         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
 385         * ggc-none.c (ggc_free): Define.
 386
 387 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
 388
 389         * cse.c (max_reg, max_insn_uid): Remove.
 390         (cse_main): Don't access max_reg or max_insn_uid.
 391
 392         * c-common.c (explicit_flag_signed_bitfields,
 393         lang_statement_code_p, lang_expand_function_end): Remove.
 394         * c-common.h: Remove the corresponding declarations.
 395         * c-opts.c (c_common_handle_option): Remove all write access
 396         to explicit_flag_signed_bitfields.
 397
 398         * cgraph.c (cgraph_varpool_n_nodes): Remove.
 399         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
 400         * cgraph.h: Remove the corresponding declaration.
 401
 402         * gcse.c (null_pointer_info): Remove.
 403
 404 2005-01-23  Roger Sayle  <roger@eyesopen.com>
 405             Eric Botcazou  <ebotcazou@libertysurf.fr>
 406
 407         * combine.c (simplify_logical): Only simplify logical expressions
 408         of the form ior(and(x,y),z) by the inverse distributive law if the
 409         result is cheaper than the original.
 410
 411 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
 412
 413         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
 414         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
 415         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
 416         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
 417         config/freebsd-spec.h, config/arm/arm.h,
 418         config/h8300/h8300.md, config/i386/i386.md,
 419         config/i386/predicates.md, config/i386/sse.md,
 420         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
 421         config/vax/vax.md: Fix comment typos.  Follow spelling
 422         conventions.
 423
 424 2005-01-23  Steven Bosscher  <stevenb@suse.de>
 425
 426         * gengtype.c (walk_type): Produce `not equal to' compares for loop
 427         tests, instead of `less than'.
 428
 429 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
 430
 431         * function.c (assign_parm_setup_block): When creating a new stack slot
 432         for a parameter, get its alignment from the parameter's DECL_ALIGN
 433         rather than the type's TYPE_ALIGN.  Make sure that the parameter
 434         is at least word aligned.
 435
 436 2005-01-22  Roger Sayle  <roger@eyesopen.com>
 437
 438         PR middle-end/19378
 439         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
 440
 441 2005-01-22  Richard Henderson  <rth@redhat.com>
 442
 443         PR target/19506
 444         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
 445         in both compare operands.
 446         (movdfcc_1_sse_max): Likewise.
 447         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
 448         (movdfcc_1_sse): Likewise.
 449         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
 450         scratch register as needed.
 451
 452 2005-01-22  Richard Henderson  <rth@redhat.com>
 453
 454         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
 455
 456         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
 457
 458 2005-01-22  Richard Henderson  <rth@redhat.com>
 459
 460         * genopinit.c (optabs): Use smin/smax for floating point too.
 461         * doc/md.texi: Update to match.  Clarify that floating point
 462         results are undefined for +0/-0 and NaN.
 463         * doc/rtl.texi: Likewise.
 464         * rtl.def (SMIN, SMAX): Likewise
 465         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
 466
 467         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
 468         leading 's' to the name.
 469         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
 470         smaxxf3, sminxf3): Likewise.
 471         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
 472         Likewise.
 473
 474 2005-01-22  Paul Brook  <paul@codesourcery.com>
 475
 476         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
 477
 478 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
 479
 480         * config/s390/s390.c (struct processor_costs): New fields
 481         dlgr, dlr, dr, dsgfr, dsgr.
 482         (z900_cost, z990_cost): Values for new fields.
 483         (s390_rtx_costs): New cases MEM und COMPARE in switch
 484         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
 485         DIV, MOD, UDIV, UMOD.
 486
 487 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
 488
 489         * config/s390/s390.md ("doloop_si64"): Reload input value directly
 490         into the register being decremented.
 491         ("doloop_si31", "doloop_di"): Likewise.
 492         ("*doloop_si_long"): Adapt pattern.
 493
 494 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
 495
 496         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
 497         access registers.
 498         (CLASS_MAX_NREGS): Likewise.
 499
 500 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
 501
 502         * doc/tree-ssa.texi (Statement Operands): Add example for new
 503         must-def macro. Note deprecation of old operands interface.
 504
 505 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
 506
 507         PR tree-optimization/19484
 508         * tree-cfg.c (remove_fallthru_edge): New function.
 509         (cleanup_control_flow): Remove fallthru edges from calls that are
 510         now known not to return.
 511
 512 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
 513
 514         Fix PR tree-optimization/19038
 515         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
 516         copies with loop variant ones.
 517
 518 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
 519
 520         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
 521         config/alpha/alpha-protos.h, config/alpha/alpha.h,
 522         config/alpha/alpha.md, config/alpha/predicates.md,
 523         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
 524         config/sparc/sol2.h: Update copyright.
 525
 526         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
 527         first label to see if it is a nonlocal label.
 528
 529 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
 530             Andrew Pinski  <pinskia@physics.uc.edu>
 531
 532         PR target/19491
 533         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
 534         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
 535
 536 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
 537
 538         * config/rs6000/rtems.h: Update copyright.
 539
 540 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
 541
 542         PR target/19548
 543         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
 544         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
 545         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
 546
 547 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 548
 549         PR c/18809
 550         * c-typeck.c (convert_arguments): Check for error_mark_node.
 551
 552 2005-01-21  Ian Lance Taylor  <ian@airs.com>
 553
 554         PR tree-optimization/13000
 555         * tree-inline.c: Include "tree-flow.h".
 556         (expand_call_inline): If warn_return_type, warn if non-void inline
 557         function falls through.
 558         * tree-cfg.c (execute_warn_function_return): Don't warn about
 559         control reaching end if TREE_NO_WARNING is set.  Set
 560         TREE_NO_WARNING.
 561         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
 562         has been lowered.
 563         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
 564         branch if we don't need one.
 565         * c-typeck.c: Include "tree-flow.h"
 566         (c_finish_bc_stmt): Don't add a goto if the current statement
 567         list doesn't fall through to the current point.
 568
 569 2005-01-21  Roger Sayle  <roger@eyesopen.com>
 570
 571         PR rtl-optimization/576
 572         * real.c (real_arithmetic): Change return type from void to bool
 573         to return an indication that the result may be inexact.
 574         * real.h (real_arithmeric): Update prototype.
 575         * fold-const.c (const_binop):  Don't constant fold floating
 576         point expressions when the user specifies -frounding-math and
 577         the result may depend upon the run-time rounding mode.
 578         (fold_convert_const_real_from_real): Clean-up.
 579         (fold_initializer): Ignore flag_rounding_math for initializers.
 580         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
 581         constant fold FP operations with flag_rounding_math if the
 582         result may depend upon the run-time rounding mode.
 583
 584 2005-01-21  Tom Tromey  <tromey@redhat.com>
 585
 586         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
 587
 588 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
 589
 590         * tree-cfg.c: Fix comment typos.
 591
 592 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
 593
 594         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
 595         around the call to rest_of_handle_branch_target_load_optimize.
 596
 597 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
 598
 599         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
 600         (sparc64-*-openbsd*): Likewise.
 601         (sparclite-*-elf*): Include tm-dwarf2.h.
 602         (sparc86x-*-elf*): Likewise.
 603         (sparc64-*-elf*): Likewise.
 604         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
 605         (DBX_DEBUGGING_INFO): Likewise.
 606         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
 607         (PREFERRED_DEBUGGING_TYPE): Likewise.
 608         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
 609         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
 610         (PREFERRED_DEBUGGING_TYPE): Likewise.
 611         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
 612         (PREFERRED_DEBUGGING_TYPE): Likewise.
 613         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
 614
 615 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
 616
 617         PR target/18701
 618         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
 619
 620 2005-01-20  Paul Brook  <paul@codesourcery.com>
 621
 622         * doc/rtl.texi: Document value extension requirements for CONST_INT.
 623
 624 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
 625
 626         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
 627         label is first in a sequence of labels.
 628
 629         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
 630
 631 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
 632             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
 633
 634         * doc/sourcebuild.texi (Test Directives): New.
 635
 636 2005-01-20  Roger Sayle  <roger@eyesopen.com>
 637
 638         * real.c (real_floor): Don't leave the result uninitialized when
 639         mode is VOIDMode, but return the unrounded intermediate value.
 640         (real_ceil): Likewise.
 641
 642 2005-01-20  Paul Brook  <paul@codesourcery.com>
 643
 644         * config/arm/arm.md (insv): Use gen_int_mode.
 645
 646 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
 647
 648         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
 649         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 650         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 651         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 652         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 653
 654 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
 655
 656         Fix PR debug/19124
 657         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
 658         fbreg, so we have to assume we can't.
 659         (loc_descriptor_from_tree_1): Ditto.
 660         (containing_function_has_frame_base): New function.
 661         (add_location_or_const_value_attribute): Use it.
 662         Also try to generate a frame_base from a single element location
 663         list.
 664
 665 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
 666
 667         PR tree-optimization/15349
 668         * timevar.def (TV_TREE_MERGE_PHI): New.
 669         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
 670         PHI_WANTED.
 671         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
 672         calls to tree_forwarder_block_p.
 673         (remove_forwarder_block_with_phi, merge_phi_nodes,
 674         gate_merge_phi, pass_merge_phi): New.
 675         * tree-optimize.c (init_tree_optimization_passes): Add
 676         pass_merge_phi.
 677         * tree-pass.h: Add an extern for pass_merge_phi;
 678
 679 2005-01-20  Richard Henderson  <rth@redhat.com>
 680
 681         PR target/19418
 682         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
 683         (_mm_castps_pd, _mm_castps_si128): New.
 684         (_mm_castsi128_ps, _mm_castsi128_pd): New.
 685
 686 2005-01-20  Richard Henderson  <rth@redhat.com>
 687
 688         PR target/19530
 689         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
 690         __builtin_ia32_vec_init_v2si.
 691         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
 692         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
 693         (ix86_init_mmx_sse_builtins): Create it.
 694         (ix86_expand_builtin): Expand it.
 695         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
 696         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
 697         (vec_extractv2si_0, vec_extractv2si_1): New.
 698
 699 2005-01-20  Richard Henderson  <rth@redhat.com>
 700
 701         PR target/16533
 702         * config/i386/i386.c (ix86_expand_push): New.
 703         * config/i386/mmx.md (push<MMXMODE>1): New.
 704         * config/i386/sse.md (push<SSEMODE>1): New.
 705         * config/i386/i386-protos.h: Update.
 706
 707 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
 708
 709         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
 710         copyright.
 711
 712 2005-01-20  Richard Henderson  <rth@redhat.com>
 713
 714         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
 715         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
 716
 717 2005-01-19  Richard Henderson  <rth@redhat.com>
 718
 719         PR target/19350
 720         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
 721         to V4SFmode in SSE1 fallback load path.
 722
 723 2005-01-19  Richard Henderson  <rth@redhat.com>
 724
 725         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
 726         in QImode expansion to ix86_expand_vector_set.
 727         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
 728
 729 2005-01-19  Richard Henderson  <rth@redhat.com>
 730
 731         PR target/19511
 732         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
 733         subclass of the input class.
 734         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
 735         Always true for cross-SSE1 classes.  Rationalize conditionals.
 736         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
 737         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
 738         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
 739         (movdi_2): Add MMX/SSE zeros.
 740         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
 741         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
 742         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
 743         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
 744         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
 745         (zero_extendsidi2_rex64_1): Remove.
 746         (MOV0 peephole): Check GENERAL_REG_P.
 747
 748 2005-01-19  Richard Henderson  <rth@redhat.com>
 749
 750         PR target/19427
 751         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
 752         shufps elements.
 753         (ix86_expand_vector_extract): Likewise.
 754
 755 2005-01-19  Richard Henderson  <rth@redhat.com>
 756
 757         PR middle-end/19304
 758         * expr.c (emit_move_change_mode): New argument force; use
 759         simplify_gen_subreg if true.
 760         (emit_move_via_alt_mode): Merge into ...
 761         (emit_move_via_integer): ... here.
 762         (emit_move_ccmode): Use emit_move_change_mode directly.
 763
 764 2005-01-19  Richard Henderson  <rth@redhat.com>
 765
 766         PR target/19518
 767         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
 768         (alpha_preferred_reload_class): Handle CONST_VECTOR.
 769         (alpha_emit_set_const_1): Add no_output parameter; don't emit
 770         rtl if true.
 771         (alpha_emit_set_const): Likewise.  Make static.
 772         (alpha_emit_set_long_const): Make static.
 773         (alpha_extract_integer): Split out from alpha_expand_mov.
 774         (alpha_split_const_mov): Likewise.
 775         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
 776         (alpha_legitimate_constant_p): New.
 777         * config/alpha/alpha-protos.h: Update.
 778         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
 779         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
 780         * config/alpha/alpha.md (movsi): Add n alternative.
 781         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
 782         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
 783         (splitters for all of the above): Use alpha_split_const_mov.
 784         * config/alpha/predicates.md (non_add_const_operand): New.
 785         (non_zero_const_operand): New.
 786         (input_operand): Use alpha_legitimate_constant_p after reload.
 787
 788 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
 789
 790         PR tree-optimization/19038
 791         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
 792         (add_candidate): Add ivs with increment in latch only if
 793         allow_ip_end_pos_p is true.
 794         (determine_iv_cost): Use empty_block_p.
 795
 796 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
 797
 798         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
 799         (compute_dominance_frontiers): Ditto.
 800
 801 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
 802
 803         PR target/19529
 804         * config/sh/t-rtems: New.
 805         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
 806
 807 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
 808
 809         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
 810         the offset of the selected field.
 811
 812 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
 813
 814         * tree-cfg.c (remove_forwarder_block): Fix the check to
 815         prevent a nonlocal label from appearing in the middle of a
 816         basic block.
 817
 818 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
 819
 820         PR rtl-optimization/19462
 821         * reorg.c (find_end_label): Create return insn only if
 822         current_function_epilogue_delay_list is empty.
 823
 824 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
 825
 826         * doc/passes.texi: Remove paragraph mentioning new-ra.
 827
 828 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
 829
 830         PR rtl-optimization/15139
 831         * combine.c: Include params.h.
 832         (count_rtxs): New function.
 833         (record_value_for_reg): If replace_rtx would replace at least
 834         2 occurrences of REG in VALUE and TEM is really large, replace REG with
 835         (clobber (const_int 0)) instead of TEM.
 836         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
 837         * params.h (MAX_LAST_VALUE_RTL): New.
 838         * Makefile.in (combine.o): Depend on $(PARAMS_H).
 839         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
 840
 841         PR c/17297
 842         * c-typeck.c (digest_init): Only call build_vector if all constructor
 843         elements are *_CST nodes.
 844         * gimplify.c (gimplify_init_constructor): Likewise.
 845
 846         PR middle-end/19164
 847         * c-typeck.c (digest_init): Only call build_vector if inside_init
 848         is a CONSTRUCTOR.
 849
 850 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 851
 852         * toplev.c (init_asm_output): Remove dead #ifdef.
 853
 854 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 855
 856         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
 857
 858 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
 859
 860         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
 861         accessing DECL_FUNCTION_CODE.
 862         * dojump.c (do_jump): Likewise.
 863         * gimplify.c (gimplify_call_expr): Likewise.
 864         * predict.c (expr_expected_value): Likewise.
 865         (strip_builtin_expect): Likewise.
 866         * tree-inline.c (estimate_num_insns_1): Likewise.
 867         * tree-ssa-loop-im.c (stmt_cost): Likewise
 868         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
 869         (tree_expr_nonnegative_p): Likewise.
 870
 871 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
 872
 873         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
 874         variant of the load_pcrel_sym pattern.
 875         * config/sparc/sparc.md (P macro): Move to the top.
 876         (load_pcrel_sym): Macroize using P.
 877         (save_register_window): Likewise.
 878
 879 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
 880
 881         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
 882         ("sordered"): Same.
 883
 884 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
 885
 886         PR C/19472
 887         * c-typeck.c (build_asm_expr): Strip nops off
 888         input memory operands.
 889
 890 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
 891
 892         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
 893         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
 894         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
 895         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
 896
 897 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
 898
 899         PR target/19379
 900         * config/i386/i386.c (override_options): If the 80387 is disabled,
 901         then do not return FP values using FP registers.
 902
 903 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
 904
 905         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
 906         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
 907         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
 908         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
 909         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
 910         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
 911         output.h, postreload-gcse.c, postreload.c, recog.c,
 912         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
 913         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
 914         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
 915         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
 916         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
 917         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
 918         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
 919         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
 920
 921         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
 922         config/alpha/alpha.c, config/arm/vfp.md,
 923         config/i386/emmintrin.h, config/i386/i386-modes.def,
 924         config/i386/i386-protos.h, config/i386/i386.h,
 925         config/i386/pmmintrin.h, config/i386/ppro.md,
 926         config/i386/predicates.md, config/i386/xmmintrin.h,
 927         config/i860/i860.c, config/ia64/ia64-modes.def,
 928         config/ia64/ia64-protos.h, config/ia64/ia64.h,
 929         config/ia64/ia64.md, config/ia64/itanium1.md,
 930         config/ia64/itanium2.md, config/ia64/predicates.md,
 931         config/iq2000/iq2000.h, config/mips/linux64.h,
 932         config/rs6000/aix41.h, config/rs6000/aix43.h,
 933         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
 934         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
 935         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
 936         config/sparc/linux64.h, config/sparc/litecoff.h,
 937         config/sparc/sp64-elf.h, config/sparc/sparc.c,
 938         config/sparc/sparc.h, config/sparc/sparc.md,
 939         config/sparc/sysv4-only.h: Update copyright.
 940
 941 2005-01-18  Richard Henderson  <rth@redhat.com>
 942
 943         PR target/19496
 944         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
 945
 946 2005-01-18  Marc Espie  <espie@openbsd.org>
 947         * config/i386/openbsdelf.h: Typo.
 948
 949 2005-01-18  Richard Henderson  <rth@redhat.com>
 950
 951         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
 952         special case for sse.
 953         * config/i386/predicates.md (sse_comparison_operator): Likewise.
 954
 955 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
 956
 957         * tree-inline.c (estimate_num_insns_1): Added cases for
 958         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
 959
 960 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
 961
 962         PR rtl-optimization/19296
 963         * combine.c (simplify_comparison): Rewrite the condition under
 964         which a non-paradoxical SUBREG of a PLUS can be lifted when
 965         compared against a constant.
 966
 967 2005-01-18  Andi Kleen <ak@muc.de>
 968
 969         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
 970         * c.opt (-Wpointer-sign): Add.
 971         * doc/invoke.texi: (-Wpointer-sign): Add.
 972
 973 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
 974
 975         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
 976         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
 977         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
 978         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
 979         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
 980         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
 981         for TARGET_MIX_SSE_I387.
 982         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
 983         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
 984         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
 985         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
 986         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
 987         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
 988         TARGET_MIX_SSE_I387.
 989         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
 990         from expander.
 991
 992 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
 993
 994         PR target/19424
 995         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
 996         Add movaps alternative for xmm reg->reg move.
 997
 998 2005-01-17  Jeff Law  <law@redhat.com>
 999
1000         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
1001         at the end of the main DOM loop rather than just before DOM exits.
1002
1003 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
1004
1005         PR tree-optimization/19121
1006         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
1007         adding aliases to a name tag, also add them to the pointer's
1008         type tag.
1009         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
1010         sensitive alias info at all.  Only check that the two pointers
1011         have compatible pointed-to sets.
1012         * tree-ssa.c (verify_name_tags): Verify that the alias set of
1013         a pointer's type tag is a superset of the alias set of the
1014         pointer's name tag.
1015
1016 2005-01-17  James E Wilson  <wilson@specifixinc.com>
1017
1018         PR target/19357
1019         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
1020         comment to document why.
1021
1022 2005-01-17  Richard Henderson  <rth@redhat.com>
1023
1024         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
1025         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
1026         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
1027         sse2_vmsminv2df3_finite): New.
1028         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
1029         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
1030         Force op1 into register.
1031
1032 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
1033
1034         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
1035         bubblestrap from always rebuilding build directory.
1036
1037 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
1038
1039         * config/s390/s390.md ("*clc"): Remove incorrect '='.
1040         ("*cmpmem_short"): Likewise.
1041
1042 2005-01-17  Steven Bosscher  <stevenb@suse.de>
1043
1044         * basic-block.h: Document BB_* flags.
1045         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
1046         use an sbitmap instead.
1047         * sched-rgn.c (compute_trg_info): Likewise.
1048
1049 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
1050
1051         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
1052         redundant target_cpu_default and extra_parts lines.  Use the default
1053         "from-abi" ISA.
1054         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
1055         (SUBTARGET_EXTRA_SPECS): Delete.
1056         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
1057         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
1058         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
1059         and "n32" for -mabi=n32.
1060
1061 2005-01-17  Ian Lance Taylor  <ian@airs.com>
1062
1063         PR c/5675
1064         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
1065         fold constant variables into initial values.
1066
1067 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
1068
1069         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
1070
1071         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
1072         through the statements backward.
1073
1074 2005-01-17  Ian Lance Taylor  <ian@airs.com>
1075
1076         PR middle-end/13127:
1077         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
1078         a variable set to the return value of the inlined function.
1079
1080 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
1081
1082         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
1083         when modes are tieable.
1084
1085 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
1086
1087         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
1088         of pthread_create to find out if threads are enabled.
1089         * gthr-posix95.h (__gthread_active_p): Likewise.
1090
1091 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
1092
1093         * common.opt (-fnew-ra): Remove.
1094         * ra*.*: Remove.
1095         * toplev.h (flag_new_regalloc): Remove.
1096         * Makefile.in (ra*.*): Don't mention.
1097         * passes.c (rest_of_handle_new_regalloc): Remove.
1098         (rest_of_handle_combine, rest_of_compilation): Always consider
1099         flag_new_regalloc as false.
1100         * doc/invoke.texi: Don't document -fnew-ra.
1101
1102 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
1103
1104         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
1105         last parameter to reg_scan.
1106         * loop.c (loop_optimize): Likewise.
1107         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
1108         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
1109         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
1110         rest_of_handle_gcse, rest_of_handle_loop_optimize,
1111         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
1112         * regclass.c (reg_scan): Likewise, for the declaration.
1113         * rtl.h (reg_scan): Likewise, for the prototype.
1114
1115 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
1116
1117         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
1118         mark_dfs_back_edges.
1119
1120 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
1121
1122         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
1123         (compute_avail): Uses don't go in tmp_gen.
1124
1125 2005-01-16  Steven Bosscher  <stevenb@suse.de>
1126
1127         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
1128         loop to look for a free slot in a page entry.
1129
1130 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1131
1132         PR target/16304
1133         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
1134         * toplev.c (compile_file): Call process_pending_assemble_output_defs
1135         just before targetm.asm_out.file_end.
1136         * tree.h (process_pending_assemble_output_defs): Declare.
1137         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
1138         New functions.
1139         (assemble_alias): Defer generation of assembly code for defines when
1140         TARGET_DEFERRED_OUTPUT_DEFS is true.
1141         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1142         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1143         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
1144
1145 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1146
1147         PR target/19336
1148         * pa.c (pa_scalar_mode_supported_p): New function.
1149         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1150         * pa.h (MIN_UNITS_PER_WORD): Add comment.
1151
1152         * pa-protos.h (prefetch_operand): Delete.
1153         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
1154         * pa.c (prefetch_operand): Delete.
1155         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
1156         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
1157         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
1158         and prefetch_nocc_operand.
1159         * pa.md (prefetch): Rework to avoid reload problems handling short
1160         displacements when a cache control completer needs to be provided.
1161         (prefetch_32, prefetch_64): Delete.
1162         (prefetch_cc, prefetch_nocc): New patterns.
1163
1164 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
1165
1166         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
1167
1168 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1169
1170         PR ada/19388
1171         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
1172         exceeds maximum alignment for global common data.
1173         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
1174         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
1175
1176 2004-01-15  Roger Sayle  <roger@eyesopen.com>
1177
1178         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
1179
1180 2004-01-15  Roger Sayle  <roger@eyesopen.com>
1181
1182         * harg-reg-set.h (reg_class_names): Prototype global array.
1183         * regclass.c (reg_class_names): Declare here and initialize to
1184         REG_CLASS_NAMES.
1185         (dump_regclass): Remove local declaration of reg_class_names.
1186         (regclass): Likewise.
1187         * cfg.c (dump_flow_info): Likewise.
1188         * ra-debug.c (reg_class_names): Likewise.
1189         * regrename.c (reg_class_names): Likewise.
1190         * reload.c (reg_class_names): Likewise.
1191         * reload1.c (spill_failure): Likewise.
1192         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
1193
1194 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
1195
1196         * config/s390/s390.md ("reload_outti"): Remove predicate for
1197         output operand.  Abort if operand is not a MEM.
1198         ("reload_outdi", "reload_outdf"): Likewise.
1199
1200 2005-01-15  Marc Espie  <espie@openbsd.org>
1201
1202         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
1203         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
1204         * config/openbsd.h:  Fix C++ includes for native configurations.
1205         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
1206         Add trampoline support.
1207         * config/i386/openbsdelf.h: New.
1208
1209 2005-01-15  Marc Espie  <espie@openbsd.org>
1210
1211         * collect2.c (main): Explicitly parse -dynamic-linker option.
1212
1213 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
1214
1215         PR tree-optimization/19060
1216         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
1217         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
1218         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
1219         and handle extract_range_from_cond returning false.
1220         * fold-const.c (fold): Optimize comparisons with min/max even for
1221         width > HOST_BITS_PER_WIDE_INT.
1222
1223 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
1224
1225         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
1226         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
1227         Remove little endian multilib variants.
1228         Add mips32 multilib variant.
1229
1230 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
1231
1232         * explow.c (copy_all_reg, stabilize): Remove.
1233         * expr.h: Remove the corresponding prototypes.
1234
1235         * rtlanal.c (regs_set_between_p): Remove.
1236         * rtl.h: Remove the corresponding prototype.
1237
1238 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
1239
1240         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
1241         to rs6000_nonimmediate_operand.
1242         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
1243         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
1244         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
1245         rs6000_nonimmediate_operand.
1246         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
1247         rs6000_nonimmediate_operand.
1248
1249 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
1250
1251         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
1252
1253 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1254
1255         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
1256         on e500v2.
1257         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
1258         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
1259
1260         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
1261         (rs6k_nonimmediate_operand): New.
1262         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
1263         correctly.
1264         (legitimate_lo_sum_address_p): Same.
1265         (rs6000_legitimize_address): Same.
1266         (rs6000_legitimize_reload_address): Same.
1267         (rs6000_legitimate_address): Same.
1268         (spe_build_register_parallel): Pass DF and DC modes in a DI
1269         register.
1270
1271         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
1272         to rs6k_nonimmediate_operand.
1273
1274         * config/rs6000/spe.md ("*frob_df_di"): New.
1275         ("*frob_di_df"): New.
1276         ("*frob_di_df_2"): New.
1277         ("*mov_sidf_e500_subreg0"): New.
1278         ("*mov_sidf_e500_subreg4"): New.
1279         ("*movdf_e500_double"): Change predicate to
1280         rs6k_nonimmediate_operand.
1281
1282 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1283
1284         * postreload.c (move2add_note_store): Only call
1285         trunc_int_for_mode on scalar integers.
1286
1287 2005-01-14  Steven Bosscher  <stevenb@suse.de>
1288
1289         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
1290         replace BB_VISITED uses.
1291         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
1292         (propagate_necessity): Check the bitmap instead of BB_VISITED.
1293         (tree_dce_done): Free visited_control_parents.
1294         (perform_tree_ssa_dce): Allocate and clear it.
1295         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
1296         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
1297         instead of BB_VISITED.
1298
1299 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
1300
1301         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
1302         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
1303         Remove unused prototypes.
1304
1305 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1306
1307         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
1308         64-bit register usage.
1309         (spe_func_has_64bit_regs_p): Add FIXME note.
1310
1311 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1312
1313         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
1314         flag_finite_math_only with flag_unsafe_math_optimizations.
1315
1316 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
1317
1318         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
1319         end-of-stack check.
1320         (__tpf_eh_return): Copy TPF private stack area from the module
1321         boundary stack frame.  Add check for when module addresses are
1322         equal, but no stub address is found.
1323
1324 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
1325
1326         PR target/7525
1327         * arm.h (struct machine_function): Add call_via field.
1328         (thumb_call_via_label): Declare.
1329         * arm.c (thumb_call_via_label): New variable.
1330         (thumb_call_reg_needed): New variable.
1331         (arm_output_function_epilogue): For Thumb code, output any per-function
1332         call-indirect trampolines.
1333         (thumb_call_via_reg): New function.
1334         (arm_file_end): New function.
1335         (TARGET_ASM_FILE_END): Call arm_file_end.
1336         (aof_file_end): Likewise.
1337         * arm-protos.h (thumb_call_via_reg): Declare.
1338         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
1339         thumb_call_via_reg in normal case.
1340
1341 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
1342
1343         PR middle-end/19084
1344         PR rtl-optimization/19348
1345         * recog.c (peephole2_optimize): Do global life update if some peephole
1346         decides it doesn't need at least one of its inputs and that change
1347         influences liveness at the start of the basic block.
1348
1349         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
1350         arguments instead of 1.
1351
1352 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
1353
1354         PR middle-end/18820
1355         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
1356         zero for nested functions needing a static chain or functions
1357         with a non-constant address.
1358
1359 2005-01-13  Roger Sayle  <roger@eyesopen.com>
1360
1361         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
1362         (and (sign_extend X) C) into (zero_extend (and X C)).
1363
1364 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
1365
1366         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
1367
1368 2005-01-13  Richard Henderson  <rth@redhat.com>
1369
1370         PR target/19009
1371         PR target/19250
1372         PR target/19252
1373         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
1374         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
1375         not just TARGET_SSE.
1376         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
1377         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
1378         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
1379         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
1380         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
1381         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
1382         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
1383         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
1384         (movdicc_c_rex64): Rename with '*'.
1385         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
1386         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
1387         (movsfcc_1_387): Rename from movsfcc_1.
1388         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
1389         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
1390         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
1391         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
1392         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
1393         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
1394         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
1395         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
1396         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
1397         sse_movdfcc_const0_4): Remove.
1398         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
1399         recognize min/max early.  Update for changed sse cmove patterns.
1400         (ix86_split_sse_movcc): New.
1401         * config/i386/i386-protos.h: Update.
1402
1403 2005-01-13  Steven Bosscher  <stevenb@suse.de>
1404
1405         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
1406         (fix_stmt_v_may_defs): Likewise.
1407
1408 2005-01-13  Richard Henderson  <rth@redhat.com>
1409
1410         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
1411         for converting the mask.
1412
1413 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
1414
1415         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
1416         definition to 600.
1417
1418 2005-01-13  Richard Henderson  <rth@redhat.com>
1419
1420         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
1421         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
1422         IX86_BUILTIN_MOVDQ2Q): Remove.
1423         (IX86_BUILTIN_VEC_EXT_V4SI): New.
1424         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
1425         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
1426         shuffling.
1427         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
1428         (sse2_pextrw): Fix immediate constraint.
1429         (sse2_loadq, sse2_loadq_rex64): Remove.
1430         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
1431         Use __builtin_ia32_vec_ext_<size>.
1432         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
1433
1434 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
1435
1436         * function.c (assign_parm_setup_block): Look inside original
1437         entry_parm when inspecting PARALLEL.
1438
1439 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
1440             Joel Sherrill  <joel@oarcorp.com>
1441
1442         PR target/19399
1443         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
1444         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
1445         rtems_gxx_recursive_mutex_init.
1446         (__gthread_recursive_mutex_lock): New function.
1447         (__gthread_recursive_mutex_trylock): Likewise.
1448         (__gthread_recursive_mutex_unlock): Likewise.
1449
1450 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
1451
1452         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
1453
1454 2005-01-13  Jan Beulich  <jbeulich@novell.com>
1455
1456         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
1457         (ashrti3_internal): Indicate output is early clobber. Generate result
1458         into output rather than first input. Use move for low word of output
1459         if shift count is exactly 64.
1460         (lshrti3_internal): Likewise.
1461
1462 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
1463
1464         PR target/18329
1465         PR target/18330
1466         * reload1.c (delete_output_reload): Don't delete an output reload
1467         if the pseudo lives longer than a single basic block.  Adjust and
1468         improve wording of comment.
1469
1470 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
1471
1472         PR target/19334
1473         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
1474         of TYPE_SIZE where we mean the number of bytes.
1475
1476 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
1477
1478         * function.c (assign_parm_setup_block): Relax condition on
1479         multi-register optimization.
1480
1481 2005-01-12  Nick Clifton  <nickc@redhat.com>
1482
1483         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
1484         an "in_delay_slot" attribute of "no" to prevent them being used in
1485         delay slots.  This is forbidden because they might generate
1486         exceptions.
1487
1488 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
1489
1490         PR target/19389
1491         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
1492         with r->Y and Y->r.
1493
1494 2005-01-12  Nick Clifton  <nickc@redhat.com>
1495
1496         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
1497         passed on to GAS) but do not define, as GAS no longer supports or
1498         needs the -m2000 option.
1499
1500 2005-01-11  Roger Sayle  <roger@eyesopen.com>
1501
1502         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
1503         type as args of unprototyped builtins aren't automatically promoted.
1504         (fold_builtin_abs): Likewise.
1505
1506 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1507
1508         * Makefile.in: Set a `build-warn' variable.
1509
1510 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
1511
1512         PR tree-optimization/17949
1513         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
1514         (find_interesting_uses_address): Use it.
1515
1516 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
1517
1518         * regrename.c (kill_value): Handle subreg's that won't simplify.
1519
1520 2005-01-11  Richard Henderson  <rth@redhat.com>
1521
1522         PR target/13366
1523         * config/i386/i386.h (enum ix86_builtins): Move ...
1524         * config/i386/i386.c: ... here.
1525         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
1526         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
1527         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
1528         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
1529         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
1530         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
1531         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
1532         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
1533         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
1534         IX86_BUILTIN_LOADDDUP): Remove.
1535         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
1536         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
1537         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
1538         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
1539         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
1540         (ix86_init_builtins): Make static.
1541         (ix86_init_mmx_sse_builtins): Update for changed builtins.
1542         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
1543         if all the modes match.  Otherwise, fake it.
1544         (get_element_number, ix86_expand_vec_init_builtin,
1545         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
1546         (ix86_expand_builtin): Make static.  Update for changed builtins.
1547         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
1548         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
1549         (ix86_expand_vector_init_duplicate): New.
1550         (ix86_expand_vector_init_low_nonzero): New.
1551         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
1552         Split out from ix86_expand_vector_init; handle integer modes.
1553         (ix86_expand_vector_init): Use them.
1554         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
1555         * config/i386/i386-protos.h: Update.
1556         * config/i386/predicates.md (reg_or_0_operand): New.
1557         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
1558         (movv2sf_internal): Likewise.  And a splitter to match them all.
1559         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
1560         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
1561         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
1562         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
1563         (mmx_pinsrw): Fix operand ordering.
1564         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
1565         rather than sse_loadss expander.
1566         (movv2df splitter): Similarly.
1567         (sse_loadss, sse_loadlss): Remove.
1568         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
1569         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
1570         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
1571         (sse3_movddup): Rename with '*'.
1572         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
1573         (sse2_loadsd): Remove.
1574         (vec_dupv2df_sse3): Rename from sse3_loadddup.
1575         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
1576         (sse2_pinsrw): Fix argument ordering.
1577         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
1578         (sse2_stored): Remove 'r' destination.
1579         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
1580         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
1581         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
1582         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
1583         vec_extractv16qi, vec_initv16qi): New.
1584
1585         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
1586         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
1587         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
1588         constructor form.
1589         (_mm_load_pd, _mm_store_pd): Use plain dereference.
1590         (_mm_load_si128, _mm_store_si128): Likewise.
1591         (_mm_load1_pd): Use _mm_set1_pd.
1592         (_mm_load_sd): Use _mm_set_sd.
1593         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
1594         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
1595         (_mm_set_epi64): Use _mm_set_epi64x.
1596         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
1597         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
1598         _mm_setr_epi8): Use _mm_set_foo form.
1599         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
1600         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
1601         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
1602         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
1603         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
1604         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
1605         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
1606         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
1607         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
1608         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
1609         (_mm_movedup_pd): Use _mm_shuffle_pd.
1610         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
1611         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
1612         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
1613         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
1614         Use _mm_setzero_ps.
1615         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
1616         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
1617         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
1618         (_mm_store_ps): Use raw dereference.
1619         (_mm_store1_ps): Use _mm_storeu_ps.
1620         (_mm_storer_ps): Use _mm_store_ps.
1621         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
1622         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
1623
1624 2005-01-11  Stan Shebs  <shebs@apple.com>
1625
1626         * config/rs6000/rs6000.c (machopic_output_stub): Issue
1627         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
1628
1629 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
1630
1631         PR target/18761
1632         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
1633         Skip all DECLs except for FIELD_DECLs.
1634
1635 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
1636
1637         * config/s390/s390.c (override_options): Return error if
1638         -mbackchain, -mpacked-stack and -mhard-float are used together.
1639         (s390_va_start): Remove the backchain && packed-stack special case.
1640         (s390_gimplify_va_arg): Likewise.
1641         * doc/invoke.texi: Remove the ABI incompatibility note.
1642
1643 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
1644
1645         * config/s390/s390.c (struct s390_frame_layout): Remove
1646         save_backchain_p.
1647         (s390_frame_info, s390_emit_prologue): Replace occurrences of
1648         save_backchain_p with TARGET_BACKCHAIN.
1649
1650 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
1651
1652         PR target/18916
1653         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
1654         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
1655         * function.c (locate_and_pad_parm): Set new field.
1656         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
1657         Tweak where_pad test to include "none".  Always set mem align for
1658         stack_parm.
1659         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
1660         not sufficient for type.
1661         (assign_parm_setup_block): If stack_parm is zero on entry, always
1662         make a new stack local.  Block move old stack parm if necessary
1663         to new aligned stack local.
1664         (assign_parm_setup_stack): Use a block move to handle
1665         potentially misaligned entry_parm.
1666         (assign_parms_unsplit_complex): Specify required alignment when
1667         creating stack local.
1668         * calls.c (compute_argument_addresses): Override alignment of stack
1669         arg calculated from its type with the alignment given by
1670         FUNCTION_ARG_BOUNDARY.
1671         (store_one_arg): Likewise.
1672
1673 2005-01-11  Jan Beulich  <jbeulich@novell.com>
1674
1675         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
1676         Change respective itanium_class attribute to ialu.
1677         (shladdp4_internal): New.
1678         * config/ia64/predicates.md (shladd_log2_operand): New.
1679
1680 2005-01-11  Richard Henderson  <rth@redhat.com>
1681
1682         * expr.c (store_constructor): Use rtvec_alloc instead of
1683         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
1684
1685 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
1686
1687         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
1688
1689 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
1690
1691         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
1692         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
1693         (TARGET_RWRELOC): Define.
1694         (ia64_rwreloc_section_type_flags): Delete.
1695         (ia64_section_type_flags): New function.
1696         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
1697         (TARGET_RWRELOC): Define.
1698
1699 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
1700
1701         PR target/18987
1702         * config/ia64/ia64.c (process_set): For alloc insn, only call
1703         process_epilogue is !frame_pointer_needed.
1704
1705 2005-01-10  Roger Sayle  <roger@eyesopen.com>
1706
1707         PR c++/19355
1708         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
1709         unary operator and can't be treated as a binary/comparison operator.
1710
1711 2005-01-10  Richard Henderson  <rth@redhat.com>
1712
1713         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
1714         (ix86_return_in_memory): Likewise.
1715         (function_arg_advance):  Likewise.  Mirror structure in function_arg
1716         for choosing register to advance.
1717
1718 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
1719
1720         * tree-vectorizer.c, tree.def: Fix comment typos.
1721
1722 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
1723
1724         * config/s390/s390.c (struct processor_costs): 4 new fields:
1725         ddbr, ddr, debr, der.
1726         (s390_rtx_costs): More precise handling of divide instructions.
1727
1728 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
1729
1730         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
1731
1732 2005-01-10  Jan Beulich  <jbeulich@novell.com>
1733
1734         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
1735         names resulting from -ffunction-sections/-fdata-sections and linkonce
1736         ones.
1737         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
1738         based on the section name. Rearrange the section name comparison logic
1739         slightly so that each section name is compared against at most once.
1740
1741 2005-01-10  Ben Elliston  <bje@au.ibm.com>
1742
1743         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
1744         targets for which -fPIC reduces limitations on the GOT size.
1745
1746 2005-01-09  Falk Hueffner  <falk@debian.org>
1747
1748         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
1749         X/C1 cmpop C2.
1750
1751 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
1752
1753         PR target/18720
1754         * collect2.c (main): Set aixrtl_flag for -brtl option.
1755         (resolve_lib_name): Search for .so file extension before .a
1756         if aixrtl_flag set.
1757
1758 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
1759
1760         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
1761         (vect_analyze_data_refs_alignment): Add dump prints.
1762
1763 2005-01-09  Ira Rosen  <irar@il.ibm.com>
1764
1765         * tree-vectorizer.c (vect_analyze_offset_expr): Use
1766         expr_invariant_in_loop_p.
1767         Initialize outputs first thing in the function.
1768         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
1769         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
1770         (vect_analyze_pointer_ref_access): Check that the initial condition of
1771         the access function is loop invariant.
1772
1773 2005-01-09  Richard Henderson  <rth@redhat.com>
1774
1775         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
1776         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
1777         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
1778         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
1779         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
1780         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
1781         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
1782         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
1783         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
1784         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1785         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1786         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
1787         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
1788         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
1789         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
1790         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
1791         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1792         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1793         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
1794         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
1795         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
1796         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
1797         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
1798         mmx_ prefix.
1799         (mmx_clrdi, pavgusb): Remove.
1800         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
1801         with leading sse_ prefix.
1802         * config/i386/sse.md: Receive them.
1803         * config/i386/mmx.md: New file.
1804         (MMXMODE12, MMXMODE24, mmxvecsize): New.
1805         (subrv2sf3): Turn into expander for normal subtraction.
1806         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
1807         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
1808         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
1809         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
1810         commutative; use ix86_binary_operator_ok.
1811         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
1812         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
1813         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
1814         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
1815         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
1816         Macroize from existing patterns; use ix86_binary_operator_ok.
1817         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
1818         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
1819         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
1820         with vec_select+vec_concat.
1821         (mmx_pshufw, mmx_pshufw_1): Likewise.
1822         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
1823         (mmx_uavgv4hi3): Model correctly.
1824         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
1825         _mm_xor_si64): Remove casts.
1826
1827 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
1828
1829         PR tree-optimization/19224
1830         * tree-scalar-evolution.c (get_instantiated_value,
1831         set_instantiated_value): New functions.
1832         (instantiate_parameters_1): Cache the results.
1833         (instantiate_parameters, resolve_mixers): Initialize and free
1834         the cache.
1835
1836 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
1837
1838         * config/i386/i386.md (addhi_4): Correct reference in comment.
1839         (addqi_4): Same.
1840
1841 2005-01-08  Richard Henderson  <rth@redhat.com>
1842
1843         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
1844         (_mm_cvtsi128_si64x): Likewise.
1845         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
1846         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
1847         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
1848         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
1849         * config/i386/i386-protos.h: Update.
1850         * config/i386/i386.c (print_operand): Add 'H'.
1851         (ix86_fixup_binary_operands): Split out from ...
1852         (ix86_expand_binary_operator): ... here.
1853         (ix86_fixup_binary_operands_no_copy): New.
1854         (ix86_expand_fp_absneg_operator): Handle vector mode results.
1855         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
1856         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
1857         (safe_vector_operand): Use CONST0_RTX.
1858         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
1859         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
1860         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
1861         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
1862         special cases.
1863         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
1864         (IX86_BUILTIN_CMPNGESS): New.
1865         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
1866         (attr type): Add sselog1.
1867         (attr unit, attr memory): Handle it.
1868         (movti, movti_internal, movti_rex64): Move near other integer moves.
1869         (movtf, movtf_internal): Move near other fp moves.
1870         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
1871         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
1872         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
1873         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
1874         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
1875         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
1876         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
1877         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
1878         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
1879         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
1880         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
1881         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
1882         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
1883         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
1884         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
1885         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
1886         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
1887         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
1888         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
1889         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
1890         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
1891         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
1892         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
1893         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
1894         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
1895         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
1896         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
1897         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
1898         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
1899         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
1900         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
1901         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
1902         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
1903         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
1904         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
1905         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
1906         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
1907         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
1908         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
1909         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
1910         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
1911         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
1912         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
1913         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
1914         same time.
1915         (SSEPUSH, push<SSEPUSH>): Remove.
1916         (MMXPUSH, push<MMXPUSH>): Remove.
1917         (sse_movaps, sse_movaps_1, sse_movups): Remove.
1918         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
1919         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
1920         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
1921         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
1922         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
1923         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
1924         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
1925         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
1926         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
1927         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
1928         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
1929         (ppro_sse_log_V4SF): Handle sselog1.
1930         * config/i386/predicates.md (const_0_to_1_operand): New.
1931         (const_0_to_255_mul_8_operand): New.
1932         (const_1_to_31_operand): Rename from const_int_1_31_operand.
1933         (const_2_to_3_operand, const_4_to_7_operand): New.
1934         * config/i386/sse.md: New file.
1935         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
1936         (sse_movups): Rename from sse_movups_1.
1937         (sse_loadlss): Rename from sse_loadss_1.
1938         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
1939         from the name.
1940         (negv4sf2): Use ix86_expand_fp_absneg_operator.
1941         (absv4sf2, negv2df, absv2df): New.
1942         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
1943         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
1944         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
1945         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
1946         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
1947         (sse3_addsubv4sf3): Model correctly.
1948         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
1949         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
1950         (sse_movhlps): Model with vec_select+vec_concat.
1951         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
1952         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
1953         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
1954         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
1955         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
1956         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
1957         sse2_pshufhw_1): Likewise.
1958         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
1959         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
1960         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
1961         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
1962         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
1963         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
1964         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
1965         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
1966         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
1967         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
1968         sminv8hi3): Mark commutative
1969         operands.  Use ix86_binary_operator_ok.
1970         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
1971         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
1972         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
1973         sse2_punpcklqdq): Allow operand2 in memory.
1974         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
1975         sse2_movsd): Add memory alternatives.
1976         (sse_storelps): Turn expander into an insn; split after reload.
1977         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
1978         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
1979
1980 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1981
1982         * configure.ac (DWARF-2 debug_line): Use objdump.
1983         * configure: Regenerate.
1984
1985 2005-01-08  Jeff Law  <law@redhat.com>
1986             Diego Novillo  <dnovillo@redhat.com>
1987
1988         PR tree-optimization/18241
1989         * tree-nrv.c (tree_nrv): Ignore volatile return values.
1990         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
1991         statements with volatile operands.
1992         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
1993         operands after marking a statement with has_volatile_ops.
1994
1995 2005-01-08  Roger Sayle  <roger@eyesopen.com>
1996
1997         * tree.c (int_fits_type_p): Always honor integer constant
1998         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
1999
2000 2005-01-08  Roger Sayle  <roger@eyesopen.com>
2001
2002         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
2003         the latent bug in rtl_delete_block has been resolved.
2004
2005 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
2006
2007         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
2008         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
2009
2010 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
2011
2012         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
2013         library as @multilib_dir@/$(SHLIB_SONAME).
2014
2015 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2016
2017         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
2018         * configure: Regenerate.
2019
2020 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
2021
2022         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
2023         TYPE_MODE.
2024
2025 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
2026
2027         PR target/13674
2028         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2029         Convert non-word aligned offset address using ld/std into
2030         indirect address.
2031
2032 2005-01-07  Richard Henderson  <rth@redhat.com>
2033
2034         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
2035
2036 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
2037
2038         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
2039
2040 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
2041
2042         PR tree-optimization/19283
2043         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
2044         is not shorter than the original type.
2045
2046         PR rtl-optimization/19012
2047         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
2048
2049         PR rtl-optimization/18861
2050         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
2051         (FULL_STATE): Define.
2052         (mark_tablejump_edge): New function.
2053         (purge_dead_tablejump_edges): New function.
2054         (find_bb_boundaries): Use it.
2055
2056         PR tree-optimization/18828
2057         * builtins.c (expand_builtin_next_arg): Remove argument and all
2058         the argument checking.
2059         (expand_builtin): Adjust caller.
2060         (expand_builtin_va_start): Likewise.  Remove error for too many
2061         arguments.
2062         (fold_builtin_next_arg): Issue error for too many arguments.
2063         After checking arguments, replace them with magic arguments that
2064         prevent further checking of the args.
2065
2066 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2067
2068         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
2069
2070 2005-01-06  Roger Sayle  <roger@eyesopen.com>
2071
2072         PR target/6077
2073         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
2074         and %{.S:...} (and their negative variants) to test whether the
2075         input file is assembler or pre-processed-assembler independent of
2076         the actual filename extension.
2077
2078 2005-01-06  Roger Sayle  <roger@eyesopen.com>
2079
2080         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
2081         of sign or zero extended values.
2082
2083 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
2084
2085         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
2086         for IBM long double format correctly.
2087
2088 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
2089
2090         Fix PR tree-optimization/18792
2091
2092         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
2093         to first_loop_depth, and use loop depth instead of loop number.
2094         (build_classic_dir_vector): Ditto.
2095         (compute_data_dependences_for_loop): Use depth, not loop number.
2096         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
2097         number. Pass in loops, instead of loop numbers.
2098         (gather_interchange_stats): Ditto.
2099         (linear_transform_loops): Ditto.
2100
2101 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
2102
2103         PR rtl-opt/13299
2104         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
2105         biv_fits_mode_p, extension_within_bounds_p): New functions.
2106         (check_ext_dependent_givs): Use them.
2107
2108 2005-01-06  Roger Sayle  <roger@eyesopen.com>
2109
2110         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
2111         more than one barrier, in which case we should delete them all.
2112
2113 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
2114
2115         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
2116
2117 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
2118
2119         Fix PR middle-end/19286
2120         Fix PR debug/19267
2121         * dwarf2out.c (gen_subprogram_die): If we've already tried to
2122         output this subprogram, simply ignore this attempt to do it again.
2123         (add_abstract_origin_attribute): Don't abort trying to add the abstract
2124         origin attribute if it's not possible.
2125         (gen_block_die): Don't ignore subblocks of "unused" blocks.
2126         (decls_for_scope): Ditto.
2127         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
2128         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
2129
2130 2005-01-05  Richard Henderson  <rth@redhat.com>
2131
2132         PR target/11327
2133         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
2134         (bdesc_2arg): Use it.
2135         (ix86_expand_binop_builtin): Force operands into registers
2136         when optimizing.
2137         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
2138         ix86_expand_sse_compare, ix86_expand_sse_comi,
2139         ix86_expand_builtin): Likewise.
2140
2141 2005-01-05  Richard Henderson  <rth@redhat.com>
2142
2143         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
2144         and VEC_SELECT.
2145         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
2146         (mulv4hi3): Set itanium_class mmmul.
2147         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
2148         (fpack): Rename from fpack_sfsf.
2149
2150 2005-01-05  Richard Henderson  <rth@redhat.com>
2151
2152         PR rtl-opt/10692
2153         * reload1.c (do_input_reload): Restrict the optimization deleteing
2154         a previous output reload to RELOAD_FOR_INPUT.
2155
2156 2005-01-05  Steven Bosscher  <stevenb@suse.de>
2157
2158         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
2159         comment that we fall through after case.
2160         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
2161         (distribute_links): Likewise.
2162         * cse.c (cse_insn): Likewise.
2163         * cselib.c (cselib_invalidate_mem): Likewise.
2164         * df.c: Update comments at the top of the file.
2165         (read_modify_subreg_p): Update comments here too.
2166         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
2167         * flow.c (mark_set_1): Likewise.
2168         (mark_used_regs): Likewise.
2169         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2170         (canon_list_insert): Likewise.
2171         (mark_set): Likewise.
2172         (try_replace_reg): Likewise.
2173         (store_killed_in_insn): Likewise.
2174         * loop.c (count_one_set): Likewise.
2175         (basic_induction_var): Likewise.
2176         * postreload-gcse.c (find_mem_conflicts): Likewise.
2177         * postreload.c (reload_combine_note_store): Likewise.
2178         (move2add_note_store): Likewise.
2179         * reload.c (find_equiv_reg): Likewise.
2180         (mark_referenced_resources): Likewise.
2181         * rtlanal.c (set_noop_p): Likewise.
2182         (note_stores): Likewise.
2183         (note_uses): Likewise.
2184         * sched-deps.c (sched_analyze_1): Likewise.
2185         * sched-rgn.c (check_live_1): Likewise.
2186         (update_live_1): Likewise.
2187         * config/i860/i860.c: Likewise.
2188
2189         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
2190         an lvalue.
2191         (ZERO_EXTRACT): Mention that this one can be an lvalue.
2192
2193         * doc/rtl.texi: Update documentation for bit-fields and SET.
2194
2195 2005-01-05  Roger Sayle  <roger@eyesopen.com>
2196
2197         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
2198
2199 2005-01-05  Jan Hubicka  <jh@suse.cz>
2200             Richard Henderson  <rth@redhat.com>
2201
2202         PR target/18910
2203         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
2204         with an offset.
2205
2206 2005-01-05  Richard Henderson  <rth@redhat.com>
2207
2208         PR target/12902
2209         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
2210         (sse_shufps): Change operand 3 to const_int_operand.
2211         (sse2_storelps): Fix typo in template.
2212         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
2213         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
2214         (ix86_expand_builtin): Likewise.
2215
2216 2005-01-05  Julian Brown  <julian@codesourcery.com>
2217
2218         * config/arm/arm.c (arm_return_in_memory): Treat complex types
2219         as aggregates for AAPCS ABIs.
2220
2221 2005-01-05  Stan Shebs  <shebs@apple.com>
2222
2223         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
2224         Mach-O getters if ppc64.
2225         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
2226         size argument.
2227         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2228         signed four-byte field for global code case.
2229         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
2230
2231 2005-01-05  Roger Sayle  <roger@eyesopen.com>
2232
2233         PR middle-end/19100
2234         * c-common.c: Include real.h.
2235         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
2236         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
2237         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
2238         * Makefile.in (c-common.o): Update dependencies.
2239
2240 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
2241
2242         * c-parse.in (asm_string): Add trailing semicolon.
2243
2244 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
2245
2246         * c-parse.in (asm_string): New.  Don't allow wide strings in
2247         'asm'.
2248         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
2249         asm_string instead of STRING.
2250
2251 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
2252
2253         * c-typeck.c (constructor_no_implicit): Remove.
2254         (set_designator, process_init_element): Don't check
2255         constructor_no_implicit.
2256
2257 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
2258             Kaz Kojima  <kkojima@gcc.gnu.org>
2259
2260         PR target/16482
2261         * lcm.c (create_pre_exit): New.
2262         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
2263         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
2264
2265 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
2266
2267         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
2268         -msoft-float in target_float_switch.
2269         * arm.c (arm_override_options): Fix processing of target_float_switch.
2270
2271 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
2272
2273         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
2274         preferencing.
2275
2276 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
2277
2278         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
2279         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
2280
2281 2005-01-04  Roger Sayle  <roger@eyesopen.com>
2282
2283         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
2284         if deleting the then-block allows the test-block to fallthru to the
2285         else-block.
2286
2287 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
2288
2289         PR c/19152
2290         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
2291         after the full declaration if the are in two different TUs.
2292
2293 2005-01-04  Richard Henderson  <rth@redhat.com>
2294
2295         PR tree-opt/19158
2296         * tree-sra.c (generate_one_element_init): Just
2297         call gimplify_and_add.
2298         (generate_element_init): Record the
2299         new referenced variables and mark them for renaming
2300         and split out to ...
2301         (generate_element_init_1): This.
2302         (scalarize_init): Don't call push_gimplify_context/
2303         pop_gimplify_context.
2304
2305 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
2306
2307         * toplev.c (get_src_pwd): Handle failure of getpwd().
2308
2309 2005-01-04  Roger Sayle  <roger@eyesopen.com>
2310
2311         * fold-const.c (fold_single_bit_test): Delete unreachable handling
2312         of TRUTH_NOT_EXPR.
2313         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
2314         all the cases handled by it are inverted by invert_truthvalue.
2315
2316 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2317
2318         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
2319         (save_register_windowsi): Likewise.
2320
2321 2005-01-04  Richard Henderson  <rth@redhat.com>
2322
2323         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
2324
2325 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
2326
2327         PR middle-end/17767
2328         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
2329         any simplifications of vector mode comparison operators.
2330         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
2331
2332 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
2333             Devang Patel  <dpatel@apple.com>
2334
2335         PR tree-optimization/18308
2336         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
2337         the operands before creating a new expression.
2338         * dojump.c (do_jump): Make drop_through_label available
2339         for all cases.  Add expansion of COND_EXPR.
2340
2341 2005-01-04  Ira Rosen  <irar@il.ibm.com>
2342
2343         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
2344         INTEGER_CST instead of TREE_CONSTANT.
2345         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
2346         instead of TREE_CONSTANT.
2347         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
2348         instead of TREE_CONSTANT.
2349
2350 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2351
2352         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
2353
2354 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
2355
2356         PR target/19240
2357         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
2358         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
2359
2360 2005-01-03  Richard Henderson  <rth@redhat.com>
2361
2362         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
2363         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
2364         fold_convert_const_real_from_real): Split out from ...
2365         (fold_convert_const): ... here.
2366
2367 2005-01-03  Richard Henderson  <rth@redhat.com>
2368
2369         PR target/19235
2370         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
2371         (mov<MMXMODEI>_internal): Likewise.
2372         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
2373         Add V2SF case; use it for SSE1; don't use TI.
2374         (movdf_integer): Likewise.
2375         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
2376
2377 2005-01-03  Ira Rosen  <irar@il.ibm.com>
2378
2379         * tree-vectorizer.c (vect_strip_conversions): New function.
2380         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
2381         check for binary class.
2382
2383 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
2384
2385         Fix PR debug/17924
2386         Fix PR debug/19191
2387         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
2388         is a decl.
2389         * gimple-low.c (mark_blocks_with_used_vars): New function.
2390         (mark_blocks_with_used_subblocks): Ditto.
2391         (mark_used_blocks): Ditto.
2392         (pass_mark_used_blocks): New pass.
2393         * tree-inline.c: Include debug.h.
2394         (expand_call_inline): Call outlining_inline_function here.
2395         * tree-optimize.c (init_tree_optimization_passes): Add
2396         pass_mark_used_blocks.
2397         * tree-pass.h (pass_mark_used_blocks): New.
2398         * Makefile.in (tree-inline.o): Add debug.h dependency.
2399
2400 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
2401
2402         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
2403         VAR_DECLs to have weak_import attribute.
2404
2405         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
2406         'struct ucontext'.
2407
2408 2004-01-03  Steven Bosscher  <stevenb@suse.de>
2409
2410         * passes.c (rest_of_compilation): Don't run regmove if only
2411         flag_expensive_optimizations, require flag_regmove instead.
2412
2413 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2414
2415         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
2416         register "sparc".
2417         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
2418         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2419         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
2420         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2421
2422 2005-01-03  Richard Henderson  <rth@redhat.com>
2423
2424         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
2425         (ia64_const_ok_for_letter_p): New.
2426         (ia64_const_double_ok_for_letter_p): New.
2427         (ia64_extra_constraint): New.
2428         (ia64_expand_vecint_compare): New.
2429         (ia64_expand_vcondu_v2si): New.
2430         (ia64_expand_vecint_cmov): New.
2431         (ia64_expand_vecint_minmax): New.
2432         (ia64_print_operand): Add 'v'.
2433         (ia64_preferred_reload_class): New.
2434         (ia64_vector_mode_supported_p): New.
2435         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
2436         (PREFERRED_RELOAD_CLASS): Move to function.
2437         (CONST_OK_FOR_LETTER_P): Move to function.
2438         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
2439         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
2440         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
2441         (EXTRA_CONSTRAINT): Move to function.
2442         * config/ia64/ia64.md: Include vect.md.
2443         (itanium_class): Add mmalua.
2444         (type): Handle it.
2445         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
2446         (1b_mmalua): New.
2447         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
2448         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
2449         CONST0_RTX.
2450         (const_int_2bit_operand): New.
2451         (fr_reg_or_0_operand): New.
2452         * config/ia64/ia64-modes.def: Add vector modes.
2453         * config/ia64/ia64-protos.h: Update.
2454         * config/ia64/vect.md: New file.
2455
2456 2005-01-03  Richard Henderson  <rth@redhat.com>
2457
2458         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
2459
2460 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
2461
2462         PR target/19236
2463         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
2464         to SFmode.
2465         (log1pdf2): Change mode of operands[0,1] to DFmode.
2466
2467 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2468
2469         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
2470         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
2471         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
2472         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
2473         SPARC_RELAXED_ORDERING.
2474
2475 2005-01-03  Richard Henderson  <rth@redhat.com>
2476             Uros Bizjak  <uros@kss-loka.si>
2477
2478         PR target/14631
2479         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
2480         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
2481         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
2482         handling.
2483         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
2484         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
2485         const_pow2_1_to_128_operand): New predicates.
2486
2487 2005-01-02  Greg McGary  <greg@mcgary.org>
2488
2489         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
2490         anonymous decls.
2491         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
2492         object.  [ptr_type]: Remove unused variable.
2493         Remember nearest addressable array-element or record-component
2494         when checking bitfield components.  Tolerate empty BIND_EXPR.
2495
2496 2005-01-01  Richard Henderson  <rth@redhat.com>
2497
2498         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
2499         that don't narrow the value.  Fail for other conversions.
2500
2501 2005-01-01  Richard Henderson  <rth@redhat.com>
2502
2503         PR c/19031
2504         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
2505         * c-lang.c (finish_file): Don't do it here.
2506         * objc/objc-act.c (objc_finish_file): Likewise.
2507
2508         * cgraph.c (decl_assembler_name_equal): New.
2509         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
2510         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
2511         * cgraph.h (struct cgraph_varpool_node): Add next.
2512         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
2513         * varasm.c (assemble_alias): Mark the target as needed.
2514
2515 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
2516
2517         PR middle-end/19221
2518         * function.c (get_arg_pointer_save_area): Use entry_of_function
2519         instead of get_insns.
2520
2521 2005-01-01  Roger Sayle  <roger@eyesopen.com>
2522             Andrew Pinski  <pinskia@physics.uc.edu>
2523             James E. Wilson  <wilson@specifixinc.com>
2524
2525         PR rtl-optimization/12092
2526         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
2527         is zero.
2528
2529 2005-01-01  Roger Sayle  <roger@eyesopen.com>
2530             Olivier Hainque  <hainque@act-europe.fr>
2531
2532         * tree.c (int_fits_type_p): A narrower type always fits in a
2533         wider one, except for negative values into unsigned types.
2534
2535 2005-01-01  Roger Sayle  <roger@eyesopen.com>
2536
2537         * tree.c (int_fits_type_p): Compare the result of force_fit_type
2538         with the original constant rather than require TREE_OVERFLOW.
2539
2540 2005-01-01  Steven Bosscher  <stevenb@suse.de>
2541
2542         PR middle-end/17544
2543         * c-decl.c (finish_function): If compiling C99, annotate the
2544         compiler generated return with the current file name and line 0.
2545         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
2546         the source line is greater than 0.
2547         (remove_bb): Likewise.
2548
2549 See ChangeLog.12 for earlier changes.