gcc/ChangeLog

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