gcc/ChangeLog

   1 2005-01-27  Steven Bosscher  <stevenb@suse.de>
   2
   3         PR middle-end/17278
   4         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
   5         higher to -O2 and higher.  Likewise for tree PRE.
   6         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
   7         and better.
   8
   9 2005-01-27  Ian Lance Taylor  <ian@c2micro.com>
  10
  11         PR middle-end/19583
  12         * gimple-low.c (try_catch_may_fallthru): New static function.
  13         (block_may_fallthru): Handle TRY_CATCH_EXPR.
  14         * tree-inline.c (expand_call_inline): Don't warn about reaching
  15         the end of a non-void function being inlined if the function uses
  16         a return slot.
  17
  18 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
  19
  20         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
  21
  22         PR c/18946
  23         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
  24         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
  25         (implicitly_declare): Handle error_mark_node.
  26
  27 2005-01-27  Richard Henderson  <rth@redhat.com>
  28
  29         PR tree-opt/14329
  30         * tree.h (struct tree_decl): Add debug_expr_is_from.
  31         (DECL_DEBUG_EXPR_IS_FROM): New.
  32         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
  33         * dwarf2out.c (dwarf2out_var_location): Update to match.
  34         * tree-outof-ssa.c (create_temp): Likewise.
  35         * var-tracking.c (track_expr_p): Likewise.
  36         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
  37         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
  38         * toplev.c (default_tree_printer): Likewise.
  39
  40 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
  41
  42         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
  43         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
  44
  45 2005-01-27  Steven Bosscher  <stevenb@suse.de>
  46
  47         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
  48         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
  49         ASM_CLOBBERS): Add tree checks.
  50
  51         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
  52         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
  53         * c-common.def (SWITCH_STMT): Update to match.
  54         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
  55         macros instead of SWITCH_EXPR ones.
  56         * c-dump.c (c_dump_tree): Likewise.
  57         * c-gimplify.c (gimplify_switch_stmt): Likewise.
  58         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
  59
  60         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
  61
  62 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
  63
  64         * unwind-dw2.c (execute_stack_op): Add missing cases for
  65         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
  66
  67 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
  68
  69         * config.gcc (Obsolete configurations): Remove 'dummy', add
  70         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
  71         sparc-*-openbsd*.
  72
  73 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
  74
  75         PR tree-optimization/19633
  76         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
  77         CALL_EXPRs.
  78         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
  79         are no call-clobbered variables.
  80         * tree-outof-ssa.c (check_replaceable): Return false for calls
  81         with side-effects.
  82
  83 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
  84
  85         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
  86         even for variables with NULL DECL_INITIAL.
  87
  88 2005-01-26  Stuart Hastings  <stuart@apple.com>
  89
  90         * gcc/gimplify.c (shortcut_cond_expr): Re-compute side-effects.
  91         * gcc/testsuite/gcc.c-torture/execute/20050125-1.c: New.
  92
  93 2005-01-26  Richard Henderson  <rth@redhat.com>
  94
  95         PR middle-end/18008
  96         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
  97         field's type.
  98         * expr.c (store_field): Strip conversions to odd-bit-sized types
  99         if the destination field width matches.
 100
 101 2005-01-26  Richard Henderson  <rth@redhat.com>
 102
 103         * c-decl.c, expmed.c, expr.c: Revert last change.
 104
 105 2005-01-26  Richard Henderson  <rth@redhat.com>
 106
 107         PR middle-end/18008
 108         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
 109         field's type.
 110         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
 111         if we don't need the bits above those present in the current mode.
 112         * expr.c (store_field): Strip conversions to odd-bit-sized types
 113         if the destination field width matches.
 114
 115 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
 116
 117         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
 118         either -ffast-math or -funsafe-math-optimizations is in use.
 119
 120 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
 121
 122         PR target/19293
 123         PR target/19329
 124         * config/avr/avr.c (notice_update_cc): Only set condition code for
 125         ashrqi3 if shift count > 0.
 126         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
 127         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
 128         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
 129         count <= 0 as a no-op, and shift count >= width by copying zero
 130         or sign bit to all bits of the result.
 131         * config/avr/avr.md (all shifts): Add alternatives for zero shift
 132         count, with attribute "length" set to 0 and "cc" set to "none".
 133
 134 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
 135
 136         * doc/invoke.texi: Document -mTLS.
 137
 138         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
 139         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
 140         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
 141         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
 142         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
 143         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
 144         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
 145         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
 146
 147         * configure.ac: Check for a TLS capable gas.
 148
 149         * configure: Regenerate.
 150
 151 2005-01-26  Richard Henderson  <rth@redhat.com>
 152
 153         PR middle-end/18008
 154         * combine.c (make_field_assignment): Simplify store to zero_extract
 155         from a source with an overlapping mask.
 156
 157 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
 158
 159         2004-11-11  Eric Christopher  <echristo@redhat.com>
 160
 161         * config/frv/frv.md: Add fr400_integer automaton. Don't
 162         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
 163         to TYPE_MACC.
 164
 165 2005-01-26  Steven Bosscher  <stevenb@suse.de>
 166
 167         PR middle-end/16585
 168         * cfgbuild.c (make_edges): Do not clear or set
 169         current_function_has_computed_jump.
 170         * function.h (struct function): Remove the has_computed_jump field.
 171         (current_function_has_computed_jump): Do not define.
 172         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
 173         in a computed jump.  Ignore current_function_has_computed_jump.
 174
 175 2005-01-26  Richard Henderson  <rth@redhat.com>
 176
 177         PR middle-end/19515
 178         * expr.c (categorize_ctor_elements): New argument p_must_clear.
 179         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
 180         fully initialized.
 181         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
 182         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
 183         objects into static storage if they have more than one non-zero value.
 184         * tree.h (categorize_ctor_elements): Update decl.
 185
 186 2005-01-26  Steven Bosscher  <stevenb@suse.de>
 187
 188         PR middle-end/19616
 189         * tree.h (CALL_EXPR_TAILCALL): Add comment.
 190         * calls.c (check_sibcall_argument_overlap_1): Revert the change
 191         to this function from 2004-07-10.
 192         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
 193         the current function for tail call optimizations if the address
 194         of one of it its arguments is taken.
 195
 196 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
 197
 198         * cse.c (fold_rtx): Call equiv_constant only when necessary.
 199
 200 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
 201
 202         * function.c (expand_function_end): If current_function_calls_alloca,
 203         emit stack restore in a place that is reached when the function falls
 204         through at the end.
 205
 206 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
 207
 208         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
 209         rule to avoid matching inappropriate suffix rule.
 210
 211 2005-01-26  Jan Hubicka  <jh@suse.cz>
 212
 213         PR tree-optimization/19241
 214         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
 215
 216 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
 217
 218         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
 219         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
 220         of doubling.
 221         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
 222         <sim*>: Always use crt1.o, regardless of N in simN.
 223         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
 224         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
 225         (CRT_CALL_STATIC_FUNCTION): Remove.
 226         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
 227         use crt1.o, regardless of N in simN.
 228         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
 229         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
 230         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
 231         case isystem setting.
 232         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
 233
 234 2005-01-25  Ian Lance Taylor  <ian@airs.com>
 235
 236         * gimple-low.c (block_may_fallthru): Correct handling of
 237         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
 238
 239 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
 240
 241         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
 242         handlers to match indentation; nested under the mtune=* handler.
 243         Similar for mcpu= and march=.
 244
 245 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
 246
 247         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
 248         * config/mips/linux64.h (LIB_SPEC): Likewise.
 249         * config/mn10300/linux.h (LIB_SPEC): Likewise.
 250         * config/sh/linux.h (LIB_SPEC): Likewise.
 251
 252 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
 253
 254         * config/frv/frv.c (frv_legitimize_tls_address): New.
 255         (TARGET_HAVE_TLS): Define.
 256         (FRV_SYMBOL_REF_TLS_P): Define.
 257         (frv_override_options): Handle new register classes.
 258         (frv_legitimate_address_p): Reject tls addresses.
 259         (frv_legitimize_address): Handle TLS addresses.
 260         (gen_inlined_tls_plt): New.
 261         (gen_tlsmoff): New.
 262         (frv_legitimize_tls_address): New.
 263         (unspec_got_name): Add TLS entries.
 264         (got12_operand): Add R_FRV_TLSMOFF12 case.
 265         (frv_emit_move): Fixup TLS addresses.
 266         (frv_emit_movsi): Legitimize TLS addresses.
 267
 268         * config/frv/frv.h (MASK_BIG_TLS): New.
 269         (TARGET_BIG_TLS): New.
 270         (HAVE_AS_TLS): Define.
 271         (TARGET_SWITCHES): Add -mTLS and -mtls options.
 272         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
 273         (REG_CLASS_NAMES): Same.
 274         (REG_CLASS_CONTENTS): Same.
 275         (CONSTRAINT_LEN): New.
 276         (REG_CLASS_FROM_CONSTRAINT): New.
 277         (PREDICATE_CODES): Add symbolic_operand.
 278
 279         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
 280         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
 281         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
 282         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
 283         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
 284         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
 285         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
 286         GR9_REG, GR14_REG, LRREG.
 287         (type): Add load_or_call attribute.
 288         ("load_or_call"): New reservation.
 289         ("call_gettlsoff"): New.
 290         ("tls_indirect_call"): New.
 291         ("tls_load_gottlsoff12"): New.
 292         ("tlsoff_hilo"): New.
 293         ("tls_tlsdesc_ldd"): New.
 294         ("tls_tlsoff_ld"): New.
 295         ("tls_lddi"): New.
 296
 297         * config/frv/frv-protos.h (symbolic_operand): Protoize.
 298
 299         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
 300
 301         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
 302         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
 303         * config/frv/frv.c (TLS_BIAS): Define.
 304         (frv_output_dwarf_dtprel): New.
 305
 306 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
 307
 308         PR rtl-optimization/19579
 309         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
 310         both A and B, see if they don't clobber registers the other expr uses.
 311
 312 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
 313
 314         * real.c (do_add): Initialize signalling and canonical members.
 315
 316         * real.c (real_from_integer): Zero out destination.
 317
 318 2005-01-18  Jan Hubicka  <jh@suse.cz>
 319
 320         PR tree-optimize/19337
 321         * tree-inline.c (initialize_inlined_parameters): Copy
 322         saved_static_chain_decl only.
 323
 324 2005-01-25  Richard Henderson  <rth@redhat.com>
 325
 326         PR target/19556
 327         PR target/19584
 328         * config/i386/i386.c (x86_inter_unit_moves): Zero.
 329         (ix86_preferred_reload_class): Rewrite fp-constant section, with
 330         80387 enabled, to return a proper subclass.  Return the subset that
 331         overlaps with GENERAL_REGS for PLUS.
 332         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
 333
 334 2005-01-25  Richard Henderson  <rth@redhat.com>
 335
 336         PR middle-end/19609
 337         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
 338
 339 2005-01-25  Roger Sayle  <roger@eyesopen.com>
 340
 341         * expmed.c (choose_multiplier): Change interface to return the
 342         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
 343         (expand_divmod): Update calls to choose_multiplier.
 344
 345 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 346
 347         PR middle-end/19330
 348         * expmed.c (extract_bit_field): Use adjust_address instead of
 349         gen_lowpart when op0 is a MEM.
 350
 351 2005-01-24  Steven Bosscher  <stevenb@suse.de>
 352
 353         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
 354
 355 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
 356
 357         * config/mips/irix-csr.c: New file.
 358         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
 359         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
 360         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
 361         executables.
 362
 363 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
 364
 365         PR bootstrap/19364
 366         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
 367         sparc/elf.h, add sparc/sp-elf.h.
 368         (sparc-*-rtems*): Likewise.
 369         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
 370         tm-dwarf2.h, add sparc/sp-elf.h.
 371         (sparc86x-*-elf): Likewise.
 372         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
 373         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
 374         TARGET_OS_CPP_BUILTINS.
 375         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 376         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 377         Undefine it.
 378         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
 379         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
 380         (SWITCH_TAKES_ARG): Likewise.
 381         (LOCAL_LABEL_PREFIX): Likewise.
 382         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
 383         (TARGET_N_FORMAT_TYPES): Delete.
 384         (TARGET_FORMAT_TYPES): Likewise.
 385         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
 386         * config/sparc/elf.h: Delete.
 387         * config/sparc/sp-elf.h: New file.
 388
 389 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
 390
 391         * tree-flow-inline.h (phi_arg_from_edge): Remove.
 392         * tree-flow.h: Remove the corresponding prototype.
 393         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
 394         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
 395
 396 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
 397
 398         PR target/17751
 399         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
 400         for AIX ABI or ELF -fPIC.
 401         (rs6000_emit_load_toc_table): Don't create toc_section here.
 402         (rs6000_xcoff_file_start): Nor here.
 403
 404 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
 405
 406         * sh.c (ra.h): Don't #include.
 407         (hard_regs_intersect_p): New function, resurrected from ra.c.
 408
 409         * sh.c: Fix 1996 Copyright.
 410
 411 2005-01-24  Richard Henderson  <rth@redhat.com>
 412             Aldy Hernandez  <aldyh@redhat.com>
 413
 414         * regrename.c (note_sets): Handle subregs.
 415
 416 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
 417
 418         PR bootstrap/18058
 419         * genconditions.c (write_header, write_conditions): Elide file if
 420         not GCC >= 3.0.1.
 421
 422 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
 423
 424         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
 425         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
 426         Update copyright.
 427
 428 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
 429
 430         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
 431         expand_builtin_printf, expand_builtin_fprintf,
 432         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
 433         checking against POINTER_TYPE.
 434         (validate_arglist): Handle POINTER_TYPE code by checking
 435         POINTER_TYPE_P.
 436
 437 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
 438
 439         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
 440         init_rtlanal): New.
 441         (for_each_rtx): Call for_each_rtx_1.
 442         * rtl.h (init_rtlanal): Declare.
 443         * toplev.c (backend_init): Call init_rtlanal.
 444
 445 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
 446
 447         * flow.c (propagate_one_insn): Formatting.
 448
 449         PR middle-end/19551
 450         * flow.c (libcall_dead_p): Be more conservative if unsure.
 451         If there are any instructions between insn and call, see if they are
 452         all dead before saying the libcall is dead.
 453
 454 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
 455
 456         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
 457         operand constraint for operand 0.
 458
 459 2005-01-23  Richard Henderson  <rth@redhat.com>
 460
 461         PR 19486
 462         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
 463         edges leading to join block.
 464
 465 2005-01-23  Roger Sayle  <roger@eyesopen.com>
 466
 467         * expmed.c (expand_mult_highpart): Make static.  Change type of
 468         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
 469         (expand_divmod): Updates calls to expand_mult_highpart by using
 470         gen_int_mode to pass a CONST_INT rtx.
 471         * rtl.h (expand_mult_highpart): Remove prototype.
 472
 473 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
 474
 475         * flow.c (regset_bytes, regset_size): Remove.
 476
 477         * cfganal.c: Fix a reference to Harvey's paper.
 478
 479 2005-01-23  Steven Bosscher  <stevenb@suse.de>
 480
 481         PR rtl-optimization/19464
 482         * tree-optimize.c (init_tree_optimization_passes): Add one more
 483         copyrename pass just before out-of-ssa.
 484
 485 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
 486
 487         PR bootstrap/18058
 488         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
 489         * ggc-none.c (ggc_free): Define.
 490
 491 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
 492
 493         * cse.c (max_reg, max_insn_uid): Remove.
 494         (cse_main): Don't access max_reg or max_insn_uid.
 495
 496         * c-common.c (explicit_flag_signed_bitfields,
 497         lang_statement_code_p, lang_expand_function_end): Remove.
 498         * c-common.h: Remove the corresponding declarations.
 499         * c-opts.c (c_common_handle_option): Remove all write access
 500         to explicit_flag_signed_bitfields.
 501
 502         * cgraph.c (cgraph_varpool_n_nodes): Remove.
 503         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
 504         * cgraph.h: Remove the corresponding declaration.
 505
 506         * gcse.c (null_pointer_info): Remove.
 507
 508 2005-01-23  Roger Sayle  <roger@eyesopen.com>
 509             Eric Botcazou  <ebotcazou@libertysurf.fr>
 510
 511         * combine.c (simplify_logical): Only simplify logical expressions
 512         of the form ior(and(x,y),z) by the inverse distributive law if the
 513         result is cheaper than the original.
 514
 515 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
 516
 517         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
 518         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
 519         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
 520         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
 521         config/freebsd-spec.h, config/arm/arm.h,
 522         config/h8300/h8300.md, config/i386/i386.md,
 523         config/i386/predicates.md, config/i386/sse.md,
 524         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
 525         config/vax/vax.md: Fix comment typos.  Follow spelling
 526         conventions.
 527
 528 2005-01-23  Steven Bosscher  <stevenb@suse.de>
 529
 530         * gengtype.c (walk_type): Produce `not equal to' compares for loop
 531         tests, instead of `less than'.
 532
 533 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
 534
 535         * function.c (assign_parm_setup_block): When creating a new stack slot
 536         for a parameter, get its alignment from the parameter's DECL_ALIGN
 537         rather than the type's TYPE_ALIGN.  Make sure that the parameter
 538         is at least word aligned.
 539
 540 2005-01-22  Roger Sayle  <roger@eyesopen.com>
 541
 542         PR middle-end/19378
 543         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
 544
 545 2005-01-22  Richard Henderson  <rth@redhat.com>
 546
 547         PR target/19506
 548         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
 549         in both compare operands.
 550         (movdfcc_1_sse_max): Likewise.
 551         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
 552         (movdfcc_1_sse): Likewise.
 553         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
 554         scratch register as needed.
 555
 556 2005-01-22  Richard Henderson  <rth@redhat.com>
 557
 558         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
 559
 560         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
 561
 562 2005-01-22  Richard Henderson  <rth@redhat.com>
 563
 564         * genopinit.c (optabs): Use smin/smax for floating point too.
 565         * doc/md.texi: Update to match.  Clarify that floating point
 566         results are undefined for +0/-0 and NaN.
 567         * doc/rtl.texi: Likewise.
 568         * rtl.def (SMIN, SMAX): Likewise
 569         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
 570
 571         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
 572         leading 's' to the name.
 573         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
 574         smaxxf3, sminxf3): Likewise.
 575         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
 576         Likewise.
 577
 578 2005-01-22  Paul Brook  <paul@codesourcery.com>
 579
 580         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
 581
 582 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
 583
 584         * config/s390/s390.c (struct processor_costs): New fields
 585         dlgr, dlr, dr, dsgfr, dsgr.
 586         (z900_cost, z990_cost): Values for new fields.
 587         (s390_rtx_costs): New cases MEM und COMPARE in switch
 588         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
 589         DIV, MOD, UDIV, UMOD.
 590
 591 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
 592
 593         * config/s390/s390.md ("doloop_si64"): Reload input value directly
 594         into the register being decremented.
 595         ("doloop_si31", "doloop_di"): Likewise.
 596         ("*doloop_si_long"): Adapt pattern.
 597
 598 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
 599
 600         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
 601         access registers.
 602         (CLASS_MAX_NREGS): Likewise.
 603
 604 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
 605
 606         * doc/tree-ssa.texi (Statement Operands): Add example for new
 607         must-def macro. Note deprecation of old operands interface.
 608
 609 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
 610
 611         PR tree-optimization/19484
 612         * tree-cfg.c (remove_fallthru_edge): New function.
 613         (cleanup_control_flow): Remove fallthru edges from calls that are
 614         now known not to return.
 615
 616 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
 617
 618         Fix PR tree-optimization/19038
 619         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
 620         copies with loop variant ones.
 621
 622 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
 623
 624         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
 625         config/alpha/alpha-protos.h, config/alpha/alpha.h,
 626         config/alpha/alpha.md, config/alpha/predicates.md,
 627         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
 628         config/sparc/sol2.h: Update copyright.
 629
 630         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
 631         first label to see if it is a nonlocal label.
 632
 633 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
 634             Andrew Pinski  <pinskia@physics.uc.edu>
 635
 636         PR target/19491
 637         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
 638         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
 639
 640 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
 641
 642         * config/rs6000/rtems.h: Update copyright.
 643
 644 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
 645
 646         PR target/19548
 647         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
 648         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
 649         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
 650
 651 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 652
 653         PR c/18809
 654         * c-typeck.c (convert_arguments): Check for error_mark_node.
 655
 656 2005-01-21  Ian Lance Taylor  <ian@airs.com>
 657
 658         PR tree-optimization/13000
 659         * tree-inline.c: Include "tree-flow.h".
 660         (expand_call_inline): If warn_return_type, warn if non-void inline
 661         function falls through.
 662         * tree-cfg.c (execute_warn_function_return): Don't warn about
 663         control reaching end if TREE_NO_WARNING is set.  Set
 664         TREE_NO_WARNING.
 665         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
 666         has been lowered.
 667         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
 668         branch if we don't need one.
 669         * c-typeck.c: Include "tree-flow.h"
 670         (c_finish_bc_stmt): Don't add a goto if the current statement
 671         list doesn't fall through to the current point.
 672
 673 2005-01-21  Roger Sayle  <roger@eyesopen.com>
 674
 675         PR rtl-optimization/576
 676         * real.c (real_arithmetic): Change return type from void to bool
 677         to return an indication that the result may be inexact.
 678         * real.h (real_arithmeric): Update prototype.
 679         * fold-const.c (const_binop):  Don't constant fold floating
 680         point expressions when the user specifies -frounding-math and
 681         the result may depend upon the run-time rounding mode.
 682         (fold_convert_const_real_from_real): Clean-up.
 683         (fold_initializer): Ignore flag_rounding_math for initializers.
 684         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
 685         constant fold FP operations with flag_rounding_math if the
 686         result may depend upon the run-time rounding mode.
 687
 688 2005-01-21  Tom Tromey  <tromey@redhat.com>
 689
 690         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
 691
 692 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
 693
 694         * tree-cfg.c: Fix comment typos.
 695
 696 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
 697
 698         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
 699         around the call to rest_of_handle_branch_target_load_optimize.
 700
 701 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
 702
 703         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
 704         (sparc64-*-openbsd*): Likewise.
 705         (sparclite-*-elf*): Include tm-dwarf2.h.
 706         (sparc86x-*-elf*): Likewise.
 707         (sparc64-*-elf*): Likewise.
 708         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
 709         (DBX_DEBUGGING_INFO): Likewise.
 710         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
 711         (PREFERRED_DEBUGGING_TYPE): Likewise.
 712         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
 713         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
 714         (PREFERRED_DEBUGGING_TYPE): Likewise.
 715         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
 716         (PREFERRED_DEBUGGING_TYPE): Likewise.
 717         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
 718
 719 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
 720
 721         PR target/18701
 722         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
 723
 724 2005-01-20  Paul Brook  <paul@codesourcery.com>
 725
 726         * doc/rtl.texi: Document value extension requirements for CONST_INT.
 727
 728 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
 729
 730         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
 731         label is first in a sequence of labels.
 732
 733         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
 734
 735 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
 736             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
 737
 738         * doc/sourcebuild.texi (Test Directives): New.
 739
 740 2005-01-20  Roger Sayle  <roger@eyesopen.com>
 741
 742         * real.c (real_floor): Don't leave the result uninitialized when
 743         mode is VOIDMode, but return the unrounded intermediate value.
 744         (real_ceil): Likewise.
 745
 746 2005-01-20  Paul Brook  <paul@codesourcery.com>
 747
 748         * config/arm/arm.md (insv): Use gen_int_mode.
 749
 750 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
 751
 752         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
 753         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 754         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 755         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 756         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 757
 758 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
 759
 760         Fix PR debug/19124
 761         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
 762         fbreg, so we have to assume we can't.
 763         (loc_descriptor_from_tree_1): Ditto.
 764         (containing_function_has_frame_base): New function.
 765         (add_location_or_const_value_attribute): Use it.
 766         Also try to generate a frame_base from a single element location
 767         list.
 768
 769 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
 770
 771         PR tree-optimization/15349
 772         * timevar.def (TV_TREE_MERGE_PHI): New.
 773         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
 774         PHI_WANTED.
 775         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
 776         calls to tree_forwarder_block_p.
 777         (remove_forwarder_block_with_phi, merge_phi_nodes,
 778         gate_merge_phi, pass_merge_phi): New.
 779         * tree-optimize.c (init_tree_optimization_passes): Add
 780         pass_merge_phi.
 781         * tree-pass.h: Add an extern for pass_merge_phi;
 782
 783 2005-01-20  Richard Henderson  <rth@redhat.com>
 784
 785         PR target/19418
 786         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
 787         (_mm_castps_pd, _mm_castps_si128): New.
 788         (_mm_castsi128_ps, _mm_castsi128_pd): New.
 789
 790 2005-01-20  Richard Henderson  <rth@redhat.com>
 791
 792         PR target/19530
 793         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
 794         __builtin_ia32_vec_init_v2si.
 795         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
 796         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
 797         (ix86_init_mmx_sse_builtins): Create it.
 798         (ix86_expand_builtin): Expand it.
 799         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
 800         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
 801         (vec_extractv2si_0, vec_extractv2si_1): New.
 802
 803 2005-01-20  Richard Henderson  <rth@redhat.com>
 804
 805         PR target/16533
 806         * config/i386/i386.c (ix86_expand_push): New.
 807         * config/i386/mmx.md (push<MMXMODE>1): New.
 808         * config/i386/sse.md (push<SSEMODE>1): New.
 809         * config/i386/i386-protos.h: Update.
 810
 811 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
 812
 813         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
 814         copyright.
 815
 816 2005-01-20  Richard Henderson  <rth@redhat.com>
 817
 818         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
 819         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
 820
 821 2005-01-19  Richard Henderson  <rth@redhat.com>
 822
 823         PR target/19350
 824         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
 825         to V4SFmode in SSE1 fallback load path.
 826
 827 2005-01-19  Richard Henderson  <rth@redhat.com>
 828
 829         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
 830         in QImode expansion to ix86_expand_vector_set.
 831         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
 832
 833 2005-01-19  Richard Henderson  <rth@redhat.com>
 834
 835         PR target/19511
 836         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
 837         subclass of the input class.
 838         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
 839         Always true for cross-SSE1 classes.  Rationalize conditionals.
 840         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
 841         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
 842         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
 843         (movdi_2): Add MMX/SSE zeros.
 844         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
 845         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
 846         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
 847         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
 848         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
 849         (zero_extendsidi2_rex64_1): Remove.
 850         (MOV0 peephole): Check GENERAL_REG_P.
 851
 852 2005-01-19  Richard Henderson  <rth@redhat.com>
 853
 854         PR target/19427
 855         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
 856         shufps elements.
 857         (ix86_expand_vector_extract): Likewise.
 858
 859 2005-01-19  Richard Henderson  <rth@redhat.com>
 860
 861         PR middle-end/19304
 862         * expr.c (emit_move_change_mode): New argument force; use
 863         simplify_gen_subreg if true.
 864         (emit_move_via_alt_mode): Merge into ...
 865         (emit_move_via_integer): ... here.
 866         (emit_move_ccmode): Use emit_move_change_mode directly.
 867
 868 2005-01-19  Richard Henderson  <rth@redhat.com>
 869
 870         PR target/19518
 871         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
 872         (alpha_preferred_reload_class): Handle CONST_VECTOR.
 873         (alpha_emit_set_const_1): Add no_output parameter; don't emit
 874         rtl if true.
 875         (alpha_emit_set_const): Likewise.  Make static.
 876         (alpha_emit_set_long_const): Make static.
 877         (alpha_extract_integer): Split out from alpha_expand_mov.
 878         (alpha_split_const_mov): Likewise.
 879         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
 880         (alpha_legitimate_constant_p): New.
 881         * config/alpha/alpha-protos.h: Update.
 882         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
 883         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
 884         * config/alpha/alpha.md (movsi): Add n alternative.
 885         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
 886         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
 887         (splitters for all of the above): Use alpha_split_const_mov.
 888         * config/alpha/predicates.md (non_add_const_operand): New.
 889         (non_zero_const_operand): New.
 890         (input_operand): Use alpha_legitimate_constant_p after reload.
 891
 892 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
 893
 894         PR tree-optimization/19038
 895         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
 896         (add_candidate): Add ivs with increment in latch only if
 897         allow_ip_end_pos_p is true.
 898         (determine_iv_cost): Use empty_block_p.
 899
 900 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
 901
 902         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
 903         (compute_dominance_frontiers): Ditto.
 904
 905 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
 906
 907         PR target/19529
 908         * config/sh/t-rtems: New.
 909         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
 910
 911 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
 912
 913         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
 914         the offset of the selected field.
 915
 916 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
 917
 918         * tree-cfg.c (remove_forwarder_block): Fix the check to
 919         prevent a nonlocal label from appearing in the middle of a
 920         basic block.
 921
 922 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
 923
 924         PR rtl-optimization/19462
 925         * reorg.c (find_end_label): Create return insn only if
 926         current_function_epilogue_delay_list is empty.
 927
 928 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
 929
 930         * doc/passes.texi: Remove paragraph mentioning new-ra.
 931
 932 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
 933
 934         PR rtl-optimization/15139
 935         * combine.c: Include params.h.
 936         (count_rtxs): New function.
 937         (record_value_for_reg): If replace_rtx would replace at least
 938         2 occurrences of REG in VALUE and TEM is really large, replace REG with
 939         (clobber (const_int 0)) instead of TEM.
 940         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
 941         * params.h (MAX_LAST_VALUE_RTL): New.
 942         * Makefile.in (combine.o): Depend on $(PARAMS_H).
 943         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
 944
 945         PR c/17297
 946         * c-typeck.c (digest_init): Only call build_vector if all constructor
 947         elements are *_CST nodes.
 948         * gimplify.c (gimplify_init_constructor): Likewise.
 949
 950         PR middle-end/19164
 951         * c-typeck.c (digest_init): Only call build_vector if inside_init
 952         is a CONSTRUCTOR.
 953
 954 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 955
 956         * toplev.c (init_asm_output): Remove dead #ifdef.
 957
 958 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 959
 960         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
 961
 962 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
 963
 964         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
 965         accessing DECL_FUNCTION_CODE.
 966         * dojump.c (do_jump): Likewise.
 967         * gimplify.c (gimplify_call_expr): Likewise.
 968         * predict.c (expr_expected_value): Likewise.
 969         (strip_builtin_expect): Likewise.
 970         * tree-inline.c (estimate_num_insns_1): Likewise.
 971         * tree-ssa-loop-im.c (stmt_cost): Likewise
 972         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
 973         (tree_expr_nonnegative_p): Likewise.
 974
 975 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
 976
 977         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
 978         variant of the load_pcrel_sym pattern.
 979         * config/sparc/sparc.md (P macro): Move to the top.
 980         (load_pcrel_sym): Macroize using P.
 981         (save_register_window): Likewise.
 982
 983 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
 984
 985         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
 986         ("sordered"): Same.
 987
 988 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
 989
 990         PR C/19472
 991         * c-typeck.c (build_asm_expr): Strip nops off
 992         input memory operands.
 993
 994 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
 995
 996         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
 997         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
 998         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
 999         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
1000
1001 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
1002
1003         PR target/19379
1004         * config/i386/i386.c (override_options): If the 80387 is disabled,
1005         then do not return FP values using FP registers.
1006
1007 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
1008
1009         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
1010         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
1011         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
1012         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
1013         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
1014         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
1015         output.h, postreload-gcse.c, postreload.c, recog.c,
1016         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
1017         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
1018         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
1019         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
1020         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
1021         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
1022         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
1023         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
1024
1025         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
1026         config/alpha/alpha.c, config/arm/vfp.md,
1027         config/i386/emmintrin.h, config/i386/i386-modes.def,
1028         config/i386/i386-protos.h, config/i386/i386.h,
1029         config/i386/pmmintrin.h, config/i386/ppro.md,
1030         config/i386/predicates.md, config/i386/xmmintrin.h,
1031         config/i860/i860.c, config/ia64/ia64-modes.def,
1032         config/ia64/ia64-protos.h, config/ia64/ia64.h,
1033         config/ia64/ia64.md, config/ia64/itanium1.md,
1034         config/ia64/itanium2.md, config/ia64/predicates.md,
1035         config/iq2000/iq2000.h, config/mips/linux64.h,
1036         config/rs6000/aix41.h, config/rs6000/aix43.h,
1037         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
1038         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1039         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
1040         config/sparc/linux64.h, config/sparc/litecoff.h,
1041         config/sparc/sp64-elf.h, config/sparc/sparc.c,
1042         config/sparc/sparc.h, config/sparc/sparc.md,
1043         config/sparc/sysv4-only.h: Update copyright.
1044
1045 2005-01-18  Richard Henderson  <rth@redhat.com>
1046
1047         PR target/19496
1048         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
1049
1050 2005-01-18  Marc Espie  <espie@openbsd.org>
1051         * config/i386/openbsdelf.h: Typo.
1052
1053 2005-01-18  Richard Henderson  <rth@redhat.com>
1054
1055         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
1056         special case for sse.
1057         * config/i386/predicates.md (sse_comparison_operator): Likewise.
1058
1059 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
1060
1061         * tree-inline.c (estimate_num_insns_1): Added cases for
1062         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
1063
1064 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
1065
1066         PR rtl-optimization/19296
1067         * combine.c (simplify_comparison): Rewrite the condition under
1068         which a non-paradoxical SUBREG of a PLUS can be lifted when
1069         compared against a constant.
1070
1071 2005-01-18  Andi Kleen <ak@muc.de>
1072
1073         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
1074         * c.opt (-Wpointer-sign): Add.
1075         * doc/invoke.texi: (-Wpointer-sign): Add.
1076
1077 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
1078
1079         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
1080         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
1081         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
1082         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
1083         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
1084         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
1085         for TARGET_MIX_SSE_I387.
1086         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
1087         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
1088         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
1089         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
1090         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
1091         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
1092         TARGET_MIX_SSE_I387.
1093         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
1094         from expander.
1095
1096 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
1097
1098         PR target/19424
1099         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
1100         Add movaps alternative for xmm reg->reg move.
1101
1102 2005-01-17  Jeff Law  <law@redhat.com>
1103
1104         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
1105         at the end of the main DOM loop rather than just before DOM exits.
1106
1107 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
1108
1109         PR tree-optimization/19121
1110         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
1111         adding aliases to a name tag, also add them to the pointer's
1112         type tag.
1113         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
1114         sensitive alias info at all.  Only check that the two pointers
1115         have compatible pointed-to sets.
1116         * tree-ssa.c (verify_name_tags): Verify that the alias set of
1117         a pointer's type tag is a superset of the alias set of the
1118         pointer's name tag.
1119
1120 2005-01-17  James E Wilson  <wilson@specifixinc.com>
1121
1122         PR target/19357
1123         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
1124         comment to document why.
1125
1126 2005-01-17  Richard Henderson  <rth@redhat.com>
1127
1128         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
1129         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
1130         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
1131         sse2_vmsminv2df3_finite): New.
1132         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
1133         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
1134         Force op1 into register.
1135
1136 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
1137
1138         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
1139         bubblestrap from always rebuilding build directory.
1140
1141 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
1142
1143         * config/s390/s390.md ("*clc"): Remove incorrect '='.
1144         ("*cmpmem_short"): Likewise.
1145
1146 2005-01-17  Steven Bosscher  <stevenb@suse.de>
1147
1148         * basic-block.h: Document BB_* flags.
1149         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
1150         use an sbitmap instead.
1151         * sched-rgn.c (compute_trg_info): Likewise.
1152
1153 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
1154
1155         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
1156         redundant target_cpu_default and extra_parts lines.  Use the default
1157         "from-abi" ISA.
1158         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
1159         (SUBTARGET_EXTRA_SPECS): Delete.
1160         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
1161         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
1162         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
1163         and "n32" for -mabi=n32.
1164
1165 2005-01-17  Ian Lance Taylor  <ian@airs.com>
1166
1167         PR c/5675
1168         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
1169         fold constant variables into initial values.
1170
1171 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
1172
1173         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
1174
1175         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
1176         through the statements backward.
1177
1178 2005-01-17  Ian Lance Taylor  <ian@airs.com>
1179
1180         PR middle-end/13127:
1181         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
1182         a variable set to the return value of the inlined function.
1183
1184 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
1185
1186         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
1187         when modes are tieable.
1188
1189 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
1190
1191         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
1192         of pthread_create to find out if threads are enabled.
1193         * gthr-posix95.h (__gthread_active_p): Likewise.
1194
1195 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
1196
1197         * common.opt (-fnew-ra): Remove.
1198         * ra*.*: Remove.
1199         * toplev.h (flag_new_regalloc): Remove.
1200         * Makefile.in (ra*.*): Don't mention.
1201         * passes.c (rest_of_handle_new_regalloc): Remove.
1202         (rest_of_handle_combine, rest_of_compilation): Always consider
1203         flag_new_regalloc as false.
1204         * doc/invoke.texi: Don't document -fnew-ra.
1205
1206 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
1207
1208         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
1209         last parameter to reg_scan.
1210         * loop.c (loop_optimize): Likewise.
1211         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
1212         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
1213         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
1214         rest_of_handle_gcse, rest_of_handle_loop_optimize,
1215         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
1216         * regclass.c (reg_scan): Likewise, for the declaration.
1217         * rtl.h (reg_scan): Likewise, for the prototype.
1218
1219 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
1220
1221         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
1222         mark_dfs_back_edges.
1223
1224 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
1225
1226         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
1227         (compute_avail): Uses don't go in tmp_gen.
1228
1229 2005-01-16  Steven Bosscher  <stevenb@suse.de>
1230
1231         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
1232         loop to look for a free slot in a page entry.
1233
1234 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1235
1236         PR target/16304
1237         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
1238         * toplev.c (compile_file): Call process_pending_assemble_output_defs
1239         just before targetm.asm_out.file_end.
1240         * tree.h (process_pending_assemble_output_defs): Declare.
1241         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
1242         New functions.
1243         (assemble_alias): Defer generation of assembly code for defines when
1244         TARGET_DEFERRED_OUTPUT_DEFS is true.
1245         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1246         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1247         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
1248
1249 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1250
1251         PR target/19336
1252         * pa.c (pa_scalar_mode_supported_p): New function.
1253         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1254         * pa.h (MIN_UNITS_PER_WORD): Add comment.
1255
1256         * pa-protos.h (prefetch_operand): Delete.
1257         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
1258         * pa.c (prefetch_operand): Delete.
1259         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
1260         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
1261         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
1262         and prefetch_nocc_operand.
1263         * pa.md (prefetch): Rework to avoid reload problems handling short
1264         displacements when a cache control completer needs to be provided.
1265         (prefetch_32, prefetch_64): Delete.
1266         (prefetch_cc, prefetch_nocc): New patterns.
1267
1268 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
1269
1270         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
1271
1272 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1273
1274         PR ada/19388
1275         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
1276         exceeds maximum alignment for global common data.
1277         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
1278         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
1279
1280 2004-01-15  Roger Sayle  <roger@eyesopen.com>
1281
1282         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
1283
1284 2004-01-15  Roger Sayle  <roger@eyesopen.com>
1285
1286         * harg-reg-set.h (reg_class_names): Prototype global array.
1287         * regclass.c (reg_class_names): Declare here and initialize to
1288         REG_CLASS_NAMES.
1289         (dump_regclass): Remove local declaration of reg_class_names.
1290         (regclass): Likewise.
1291         * cfg.c (dump_flow_info): Likewise.
1292         * ra-debug.c (reg_class_names): Likewise.
1293         * regrename.c (reg_class_names): Likewise.
1294         * reload.c (reg_class_names): Likewise.
1295         * reload1.c (spill_failure): Likewise.
1296         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
1297
1298 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
1299
1300         * config/s390/s390.md ("reload_outti"): Remove predicate for
1301         output operand.  Abort if operand is not a MEM.
1302         ("reload_outdi", "reload_outdf"): Likewise.
1303
1304 2005-01-15  Marc Espie  <espie@openbsd.org>
1305
1306         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
1307         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
1308         * config/openbsd.h:  Fix C++ includes for native configurations.
1309         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
1310         Add trampoline support.
1311         * config/i386/openbsdelf.h: New.
1312
1313 2005-01-15  Marc Espie  <espie@openbsd.org>
1314
1315         * collect2.c (main): Explicitly parse -dynamic-linker option.
1316
1317 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
1318
1319         PR tree-optimization/19060
1320         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
1321         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
1322         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
1323         and handle extract_range_from_cond returning false.
1324         * fold-const.c (fold): Optimize comparisons with min/max even for
1325         width > HOST_BITS_PER_WIDE_INT.
1326
1327 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
1328
1329         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
1330         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
1331         Remove little endian multilib variants.
1332         Add mips32 multilib variant.
1333
1334 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
1335
1336         * explow.c (copy_all_reg, stabilize): Remove.
1337         * expr.h: Remove the corresponding prototypes.
1338
1339         * rtlanal.c (regs_set_between_p): Remove.
1340         * rtl.h: Remove the corresponding prototype.
1341
1342 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
1343
1344         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
1345         to rs6000_nonimmediate_operand.
1346         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
1347         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
1348         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
1349         rs6000_nonimmediate_operand.
1350         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
1351         rs6000_nonimmediate_operand.
1352
1353 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
1354
1355         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
1356
1357 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1358
1359         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
1360         on e500v2.
1361         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
1362         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
1363
1364         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
1365         (rs6k_nonimmediate_operand): New.
1366         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
1367         correctly.
1368         (legitimate_lo_sum_address_p): Same.
1369         (rs6000_legitimize_address): Same.
1370         (rs6000_legitimize_reload_address): Same.
1371         (rs6000_legitimate_address): Same.
1372         (spe_build_register_parallel): Pass DF and DC modes in a DI
1373         register.
1374
1375         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
1376         to rs6k_nonimmediate_operand.
1377
1378         * config/rs6000/spe.md ("*frob_df_di"): New.
1379         ("*frob_di_df"): New.
1380         ("*frob_di_df_2"): New.
1381         ("*mov_sidf_e500_subreg0"): New.
1382         ("*mov_sidf_e500_subreg4"): New.
1383         ("*movdf_e500_double"): Change predicate to
1384         rs6k_nonimmediate_operand.
1385
1386 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1387
1388         * postreload.c (move2add_note_store): Only call
1389         trunc_int_for_mode on scalar integers.
1390
1391 2005-01-14  Steven Bosscher  <stevenb@suse.de>
1392
1393         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
1394         replace BB_VISITED uses.
1395         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
1396         (propagate_necessity): Check the bitmap instead of BB_VISITED.
1397         (tree_dce_done): Free visited_control_parents.
1398         (perform_tree_ssa_dce): Allocate and clear it.
1399         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
1400         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
1401         instead of BB_VISITED.
1402
1403 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
1404
1405         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
1406         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
1407         Remove unused prototypes.
1408
1409 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1410
1411         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
1412         64-bit register usage.
1413         (spe_func_has_64bit_regs_p): Add FIXME note.
1414
1415 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1416
1417         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
1418         flag_finite_math_only with flag_unsafe_math_optimizations.
1419
1420 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
1421
1422         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
1423         end-of-stack check.
1424         (__tpf_eh_return): Copy TPF private stack area from the module
1425         boundary stack frame.  Add check for when module addresses are
1426         equal, but no stub address is found.
1427
1428 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
1429
1430         PR target/7525
1431         * arm.h (struct machine_function): Add call_via field.
1432         (thumb_call_via_label): Declare.
1433         * arm.c (thumb_call_via_label): New variable.
1434         (thumb_call_reg_needed): New variable.
1435         (arm_output_function_epilogue): For Thumb code, output any per-function
1436         call-indirect trampolines.
1437         (thumb_call_via_reg): New function.
1438         (arm_file_end): New function.
1439         (TARGET_ASM_FILE_END): Call arm_file_end.
1440         (aof_file_end): Likewise.
1441         * arm-protos.h (thumb_call_via_reg): Declare.
1442         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
1443         thumb_call_via_reg in normal case.
1444
1445 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
1446
1447         PR middle-end/19084
1448         PR rtl-optimization/19348
1449         * recog.c (peephole2_optimize): Do global life update if some peephole
1450         decides it doesn't need at least one of its inputs and that change
1451         influences liveness at the start of the basic block.
1452
1453         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
1454         arguments instead of 1.
1455
1456 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
1457
1458         PR middle-end/18820
1459         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
1460         zero for nested functions needing a static chain or functions
1461         with a non-constant address.
1462
1463 2005-01-13  Roger Sayle  <roger@eyesopen.com>
1464
1465         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
1466         (and (sign_extend X) C) into (zero_extend (and X C)).
1467
1468 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
1469
1470         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
1471
1472 2005-01-13  Richard Henderson  <rth@redhat.com>
1473
1474         PR target/19009
1475         PR target/19250
1476         PR target/19252
1477         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
1478         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
1479         not just TARGET_SSE.
1480         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
1481         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
1482         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
1483         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
1484         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
1485         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
1486         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
1487         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
1488         (movdicc_c_rex64): Rename with '*'.
1489         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
1490         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
1491         (movsfcc_1_387): Rename from movsfcc_1.
1492         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
1493         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
1494         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
1495         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
1496         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
1497         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
1498         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
1499         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
1500         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
1501         sse_movdfcc_const0_4): Remove.
1502         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
1503         recognize min/max early.  Update for changed sse cmove patterns.
1504         (ix86_split_sse_movcc): New.
1505         * config/i386/i386-protos.h: Update.
1506
1507 2005-01-13  Steven Bosscher  <stevenb@suse.de>
1508
1509         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
1510         (fix_stmt_v_may_defs): Likewise.
1511
1512 2005-01-13  Richard Henderson  <rth@redhat.com>
1513
1514         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
1515         for converting the mask.
1516
1517 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
1518
1519         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
1520         definition to 600.
1521
1522 2005-01-13  Richard Henderson  <rth@redhat.com>
1523
1524         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
1525         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
1526         IX86_BUILTIN_MOVDQ2Q): Remove.
1527         (IX86_BUILTIN_VEC_EXT_V4SI): New.
1528         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
1529         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
1530         shuffling.
1531         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
1532         (sse2_pextrw): Fix immediate constraint.
1533         (sse2_loadq, sse2_loadq_rex64): Remove.
1534         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
1535         Use __builtin_ia32_vec_ext_<size>.
1536         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
1537
1538 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
1539
1540         * function.c (assign_parm_setup_block): Look inside original
1541         entry_parm when inspecting PARALLEL.
1542
1543 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
1544             Joel Sherrill  <joel@oarcorp.com>
1545
1546         PR target/19399
1547         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
1548         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
1549         rtems_gxx_recursive_mutex_init.
1550         (__gthread_recursive_mutex_lock): New function.
1551         (__gthread_recursive_mutex_trylock): Likewise.
1552         (__gthread_recursive_mutex_unlock): Likewise.
1553
1554 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
1555
1556         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
1557
1558 2005-01-13  Jan Beulich  <jbeulich@novell.com>
1559
1560         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
1561         (ashrti3_internal): Indicate output is early clobber. Generate result
1562         into output rather than first input. Use move for low word of output
1563         if shift count is exactly 64.
1564         (lshrti3_internal): Likewise.
1565
1566 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
1567
1568         PR target/18329
1569         PR target/18330
1570         * reload1.c (delete_output_reload): Don't delete an output reload
1571         if the pseudo lives longer than a single basic block.  Adjust and
1572         improve wording of comment.
1573
1574 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
1575
1576         PR target/19334
1577         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
1578         of TYPE_SIZE where we mean the number of bytes.
1579
1580 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
1581
1582         * function.c (assign_parm_setup_block): Relax condition on
1583         multi-register optimization.
1584
1585 2005-01-12  Nick Clifton  <nickc@redhat.com>
1586
1587         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
1588         an "in_delay_slot" attribute of "no" to prevent them being used in
1589         delay slots.  This is forbidden because they might generate
1590         exceptions.
1591
1592 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
1593
1594         PR target/19389
1595         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
1596         with r->Y and Y->r.
1597
1598 2005-01-12  Nick Clifton  <nickc@redhat.com>
1599
1600         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
1601         passed on to GAS) but do not define, as GAS no longer supports or
1602         needs the -m2000 option.
1603
1604 2005-01-11  Roger Sayle  <roger@eyesopen.com>
1605
1606         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
1607         type as args of unprototyped builtins aren't automatically promoted.
1608         (fold_builtin_abs): Likewise.
1609
1610 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1611
1612         * Makefile.in: Set a `build-warn' variable.
1613
1614 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
1615
1616         PR tree-optimization/17949
1617         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
1618         (find_interesting_uses_address): Use it.
1619
1620 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
1621
1622         * regrename.c (kill_value): Handle subreg's that won't simplify.
1623
1624 2005-01-11  Richard Henderson  <rth@redhat.com>
1625
1626         PR target/13366
1627         * config/i386/i386.h (enum ix86_builtins): Move ...
1628         * config/i386/i386.c: ... here.
1629         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
1630         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
1631         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
1632         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
1633         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
1634         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
1635         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
1636         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
1637         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
1638         IX86_BUILTIN_LOADDDUP): Remove.
1639         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
1640         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
1641         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
1642         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
1643         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
1644         (ix86_init_builtins): Make static.
1645         (ix86_init_mmx_sse_builtins): Update for changed builtins.
1646         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
1647         if all the modes match.  Otherwise, fake it.
1648         (get_element_number, ix86_expand_vec_init_builtin,
1649         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
1650         (ix86_expand_builtin): Make static.  Update for changed builtins.
1651         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
1652         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
1653         (ix86_expand_vector_init_duplicate): New.
1654         (ix86_expand_vector_init_low_nonzero): New.
1655         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
1656         Split out from ix86_expand_vector_init; handle integer modes.
1657         (ix86_expand_vector_init): Use them.
1658         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
1659         * config/i386/i386-protos.h: Update.
1660         * config/i386/predicates.md (reg_or_0_operand): New.
1661         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
1662         (movv2sf_internal): Likewise.  And a splitter to match them all.
1663         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
1664         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
1665         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
1666         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
1667         (mmx_pinsrw): Fix operand ordering.
1668         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
1669         rather than sse_loadss expander.
1670         (movv2df splitter): Similarly.
1671         (sse_loadss, sse_loadlss): Remove.
1672         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
1673         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
1674         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
1675         (sse3_movddup): Rename with '*'.
1676         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
1677         (sse2_loadsd): Remove.
1678         (vec_dupv2df_sse3): Rename from sse3_loadddup.
1679         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
1680         (sse2_pinsrw): Fix argument ordering.
1681         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
1682         (sse2_stored): Remove 'r' destination.
1683         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
1684         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
1685         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
1686         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
1687         vec_extractv16qi, vec_initv16qi): New.
1688
1689         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
1690         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
1691         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
1692         constructor form.
1693         (_mm_load_pd, _mm_store_pd): Use plain dereference.
1694         (_mm_load_si128, _mm_store_si128): Likewise.
1695         (_mm_load1_pd): Use _mm_set1_pd.
1696         (_mm_load_sd): Use _mm_set_sd.
1697         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
1698         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
1699         (_mm_set_epi64): Use _mm_set_epi64x.
1700         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
1701         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
1702         _mm_setr_epi8): Use _mm_set_foo form.
1703         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
1704         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
1705         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
1706         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
1707         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
1708         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
1709         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
1710         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
1711         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
1712         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
1713         (_mm_movedup_pd): Use _mm_shuffle_pd.
1714         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
1715         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
1716         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
1717         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
1718         Use _mm_setzero_ps.
1719         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
1720         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
1721         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
1722         (_mm_store_ps): Use raw dereference.
1723         (_mm_store1_ps): Use _mm_storeu_ps.
1724         (_mm_storer_ps): Use _mm_store_ps.
1725         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
1726         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
1727
1728 2005-01-11  Stan Shebs  <shebs@apple.com>
1729
1730         * config/rs6000/rs6000.c (machopic_output_stub): Issue
1731         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
1732
1733 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
1734
1735         PR target/18761
1736         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
1737         Skip all DECLs except for FIELD_DECLs.
1738
1739 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
1740
1741         * config/s390/s390.c (override_options): Return error if
1742         -mbackchain, -mpacked-stack and -mhard-float are used together.
1743         (s390_va_start): Remove the backchain && packed-stack special case.
1744         (s390_gimplify_va_arg): Likewise.
1745         * doc/invoke.texi: Remove the ABI incompatibility note.
1746
1747 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
1748
1749         * config/s390/s390.c (struct s390_frame_layout): Remove
1750         save_backchain_p.
1751         (s390_frame_info, s390_emit_prologue): Replace occurrences of
1752         save_backchain_p with TARGET_BACKCHAIN.
1753
1754 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
1755
1756         PR target/18916
1757         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
1758         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
1759         * function.c (locate_and_pad_parm): Set new field.
1760         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
1761         Tweak where_pad test to include "none".  Always set mem align for
1762         stack_parm.
1763         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
1764         not sufficient for type.
1765         (assign_parm_setup_block): If stack_parm is zero on entry, always
1766         make a new stack local.  Block move old stack parm if necessary
1767         to new aligned stack local.
1768         (assign_parm_setup_stack): Use a block move to handle
1769         potentially misaligned entry_parm.
1770         (assign_parms_unsplit_complex): Specify required alignment when
1771         creating stack local.
1772         * calls.c (compute_argument_addresses): Override alignment of stack
1773         arg calculated from its type with the alignment given by
1774         FUNCTION_ARG_BOUNDARY.
1775         (store_one_arg): Likewise.
1776
1777 2005-01-11  Jan Beulich  <jbeulich@novell.com>
1778
1779         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
1780         Change respective itanium_class attribute to ialu.
1781         (shladdp4_internal): New.
1782         * config/ia64/predicates.md (shladd_log2_operand): New.
1783
1784 2005-01-11  Richard Henderson  <rth@redhat.com>
1785
1786         * expr.c (store_constructor): Use rtvec_alloc instead of
1787         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
1788
1789 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
1790
1791         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
1792
1793 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
1794
1795         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
1796         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
1797         (TARGET_RWRELOC): Define.
1798         (ia64_rwreloc_section_type_flags): Delete.
1799         (ia64_section_type_flags): New function.
1800         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
1801         (TARGET_RWRELOC): Define.
1802
1803 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
1804
1805         PR target/18987
1806         * config/ia64/ia64.c (process_set): For alloc insn, only call
1807         process_epilogue is !frame_pointer_needed.
1808
1809 2005-01-10  Roger Sayle  <roger@eyesopen.com>
1810
1811         PR c++/19355
1812         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
1813         unary operator and can't be treated as a binary/comparison operator.
1814
1815 2005-01-10  Richard Henderson  <rth@redhat.com>
1816
1817         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
1818         (ix86_return_in_memory): Likewise.
1819         (function_arg_advance):  Likewise.  Mirror structure in function_arg
1820         for choosing register to advance.
1821
1822 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
1823
1824         * tree-vectorizer.c, tree.def: Fix comment typos.
1825
1826 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
1827
1828         * config/s390/s390.c (struct processor_costs): 4 new fields:
1829         ddbr, ddr, debr, der.
1830         (s390_rtx_costs): More precise handling of divide instructions.
1831
1832 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
1833
1834         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
1835
1836 2005-01-10  Jan Beulich  <jbeulich@novell.com>
1837
1838         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
1839         names resulting from -ffunction-sections/-fdata-sections and linkonce
1840         ones.
1841         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
1842         based on the section name. Rearrange the section name comparison logic
1843         slightly so that each section name is compared against at most once.
1844
1845 2005-01-10  Ben Elliston  <bje@au.ibm.com>
1846
1847         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
1848         targets for which -fPIC reduces limitations on the GOT size.
1849
1850 2005-01-09  Falk Hueffner  <falk@debian.org>
1851
1852         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
1853         X/C1 cmpop C2.
1854
1855 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
1856
1857         PR target/18720
1858         * collect2.c (main): Set aixrtl_flag for -brtl option.
1859         (resolve_lib_name): Search for .so file extension before .a
1860         if aixrtl_flag set.
1861
1862 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
1863
1864         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
1865         (vect_analyze_data_refs_alignment): Add dump prints.
1866
1867 2005-01-09  Ira Rosen  <irar@il.ibm.com>
1868
1869         * tree-vectorizer.c (vect_analyze_offset_expr): Use
1870         expr_invariant_in_loop_p.
1871         Initialize outputs first thing in the function.
1872         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
1873         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
1874         (vect_analyze_pointer_ref_access): Check that the initial condition of
1875         the access function is loop invariant.
1876
1877 2005-01-09  Richard Henderson  <rth@redhat.com>
1878
1879         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
1880         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
1881         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
1882         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
1883         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
1884         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
1885         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
1886         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
1887         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
1888         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1889         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1890         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
1891         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
1892         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
1893         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
1894         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
1895         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1896         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1897         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
1898         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
1899         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
1900         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
1901         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
1902         mmx_ prefix.
1903         (mmx_clrdi, pavgusb): Remove.
1904         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
1905         with leading sse_ prefix.
1906         * config/i386/sse.md: Receive them.
1907         * config/i386/mmx.md: New file.
1908         (MMXMODE12, MMXMODE24, mmxvecsize): New.
1909         (subrv2sf3): Turn into expander for normal subtraction.
1910         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
1911         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
1912         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
1913         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
1914         commutative; use ix86_binary_operator_ok.
1915         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
1916         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
1917         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
1918         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
1919         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
1920         Macroize from existing patterns; use ix86_binary_operator_ok.
1921         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
1922         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
1923         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
1924         with vec_select+vec_concat.
1925         (mmx_pshufw, mmx_pshufw_1): Likewise.
1926         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
1927         (mmx_uavgv4hi3): Model correctly.
1928         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
1929         _mm_xor_si64): Remove casts.
1930
1931 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
1932
1933         PR tree-optimization/19224
1934         * tree-scalar-evolution.c (get_instantiated_value,
1935         set_instantiated_value): New functions.
1936         (instantiate_parameters_1): Cache the results.
1937         (instantiate_parameters, resolve_mixers): Initialize and free
1938         the cache.
1939
1940 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
1941
1942         * config/i386/i386.md (addhi_4): Correct reference in comment.
1943         (addqi_4): Same.
1944
1945 2005-01-08  Richard Henderson  <rth@redhat.com>
1946
1947         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
1948         (_mm_cvtsi128_si64x): Likewise.
1949         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
1950         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
1951         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
1952         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
1953         * config/i386/i386-protos.h: Update.
1954         * config/i386/i386.c (print_operand): Add 'H'.
1955         (ix86_fixup_binary_operands): Split out from ...
1956         (ix86_expand_binary_operator): ... here.
1957         (ix86_fixup_binary_operands_no_copy): New.
1958         (ix86_expand_fp_absneg_operator): Handle vector mode results.
1959         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
1960         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
1961         (safe_vector_operand): Use CONST0_RTX.
1962         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
1963         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
1964         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
1965         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
1966         special cases.
1967         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
1968         (IX86_BUILTIN_CMPNGESS): New.
1969         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
1970         (attr type): Add sselog1.
1971         (attr unit, attr memory): Handle it.
1972         (movti, movti_internal, movti_rex64): Move near other integer moves.
1973         (movtf, movtf_internal): Move near other fp moves.
1974         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
1975         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
1976         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
1977         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
1978         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
1979         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
1980         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
1981         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
1982         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
1983         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
1984         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
1985         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
1986         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
1987         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
1988         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
1989         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
1990         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
1991         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
1992         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
1993         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
1994         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
1995         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
1996         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
1997         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
1998         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
1999         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
2000         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
2001         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
2002         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
2003         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
2004         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
2005         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
2006         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
2007         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
2008         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
2009         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
2010         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
2011         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
2012         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
2013         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
2014         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
2015         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
2016         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
2017         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
2018         same time.
2019         (SSEPUSH, push<SSEPUSH>): Remove.
2020         (MMXPUSH, push<MMXPUSH>): Remove.
2021         (sse_movaps, sse_movaps_1, sse_movups): Remove.
2022         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
2023         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
2024         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
2025         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
2026         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
2027         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
2028         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
2029         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
2030         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
2031         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
2032         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
2033         (ppro_sse_log_V4SF): Handle sselog1.
2034         * config/i386/predicates.md (const_0_to_1_operand): New.
2035         (const_0_to_255_mul_8_operand): New.
2036         (const_1_to_31_operand): Rename from const_int_1_31_operand.
2037         (const_2_to_3_operand, const_4_to_7_operand): New.
2038         * config/i386/sse.md: New file.
2039         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
2040         (sse_movups): Rename from sse_movups_1.
2041         (sse_loadlss): Rename from sse_loadss_1.
2042         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
2043         from the name.
2044         (negv4sf2): Use ix86_expand_fp_absneg_operator.
2045         (absv4sf2, negv2df, absv2df): New.
2046         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
2047         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
2048         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
2049         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
2050         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
2051         (sse3_addsubv4sf3): Model correctly.
2052         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
2053         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
2054         (sse_movhlps): Model with vec_select+vec_concat.
2055         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
2056         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
2057         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
2058         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
2059         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
2060         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
2061         sse2_pshufhw_1): Likewise.
2062         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
2063         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
2064         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
2065         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
2066         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
2067         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
2068         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
2069         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
2070         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
2071         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
2072         sminv8hi3): Mark commutative
2073         operands.  Use ix86_binary_operator_ok.
2074         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
2075         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
2076         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
2077         sse2_punpcklqdq): Allow operand2 in memory.
2078         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
2079         sse2_movsd): Add memory alternatives.
2080         (sse_storelps): Turn expander into an insn; split after reload.
2081         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
2082         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
2083
2084 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2085
2086         * configure.ac (DWARF-2 debug_line): Use objdump.
2087         * configure: Regenerate.
2088
2089 2005-01-08  Jeff Law  <law@redhat.com>
2090             Diego Novillo  <dnovillo@redhat.com>
2091
2092         PR tree-optimization/18241
2093         * tree-nrv.c (tree_nrv): Ignore volatile return values.
2094         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
2095         statements with volatile operands.
2096         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
2097         operands after marking a statement with has_volatile_ops.
2098
2099 2005-01-08  Roger Sayle  <roger@eyesopen.com>
2100
2101         * tree.c (int_fits_type_p): Always honor integer constant
2102         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
2103
2104 2005-01-08  Roger Sayle  <roger@eyesopen.com>
2105
2106         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
2107         the latent bug in rtl_delete_block has been resolved.
2108
2109 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
2110
2111         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
2112         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
2113
2114 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
2115
2116         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
2117         library as @multilib_dir@/$(SHLIB_SONAME).
2118
2119 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2120
2121         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
2122         * configure: Regenerate.
2123
2124 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
2125
2126         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
2127         TYPE_MODE.
2128
2129 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
2130
2131         PR target/13674
2132         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2133         Convert non-word aligned offset address using ld/std into
2134         indirect address.
2135
2136 2005-01-07  Richard Henderson  <rth@redhat.com>
2137
2138         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
2139
2140 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
2141
2142         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
2143
2144 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
2145
2146         PR tree-optimization/19283
2147         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
2148         is not shorter than the original type.
2149
2150         PR rtl-optimization/19012
2151         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
2152
2153         PR rtl-optimization/18861
2154         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
2155         (FULL_STATE): Define.
2156         (mark_tablejump_edge): New function.
2157         (purge_dead_tablejump_edges): New function.
2158         (find_bb_boundaries): Use it.
2159
2160         PR tree-optimization/18828
2161         * builtins.c (expand_builtin_next_arg): Remove argument and all
2162         the argument checking.
2163         (expand_builtin): Adjust caller.
2164         (expand_builtin_va_start): Likewise.  Remove error for too many
2165         arguments.
2166         (fold_builtin_next_arg): Issue error for too many arguments.
2167         After checking arguments, replace them with magic arguments that
2168         prevent further checking of the args.
2169
2170 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2171
2172         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
2173
2174 2005-01-06  Roger Sayle  <roger@eyesopen.com>
2175
2176         PR target/6077
2177         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
2178         and %{.S:...} (and their negative variants) to test whether the
2179         input file is assembler or pre-processed-assembler independent of
2180         the actual filename extension.
2181
2182 2005-01-06  Roger Sayle  <roger@eyesopen.com>
2183
2184         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
2185         of sign or zero extended values.
2186
2187 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
2188
2189         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
2190         for IBM long double format correctly.
2191
2192 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
2193
2194         Fix PR tree-optimization/18792
2195
2196         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
2197         to first_loop_depth, and use loop depth instead of loop number.
2198         (build_classic_dir_vector): Ditto.
2199         (compute_data_dependences_for_loop): Use depth, not loop number.
2200         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
2201         number. Pass in loops, instead of loop numbers.
2202         (gather_interchange_stats): Ditto.
2203         (linear_transform_loops): Ditto.
2204
2205 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
2206
2207         PR rtl-opt/13299
2208         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
2209         biv_fits_mode_p, extension_within_bounds_p): New functions.
2210         (check_ext_dependent_givs): Use them.
2211
2212 2005-01-06  Roger Sayle  <roger@eyesopen.com>
2213
2214         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
2215         more than one barrier, in which case we should delete them all.
2216
2217 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
2218
2219         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
2220
2221 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
2222
2223         Fix PR middle-end/19286
2224         Fix PR debug/19267
2225         * dwarf2out.c (gen_subprogram_die): If we've already tried to
2226         output this subprogram, simply ignore this attempt to do it again.
2227         (add_abstract_origin_attribute): Don't abort trying to add the abstract
2228         origin attribute if it's not possible.
2229         (gen_block_die): Don't ignore subblocks of "unused" blocks.
2230         (decls_for_scope): Ditto.
2231         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
2232         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
2233
2234 2005-01-05  Richard Henderson  <rth@redhat.com>
2235
2236         PR target/11327
2237         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
2238         (bdesc_2arg): Use it.
2239         (ix86_expand_binop_builtin): Force operands into registers
2240         when optimizing.
2241         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
2242         ix86_expand_sse_compare, ix86_expand_sse_comi,
2243         ix86_expand_builtin): Likewise.
2244
2245 2005-01-05  Richard Henderson  <rth@redhat.com>
2246
2247         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
2248         and VEC_SELECT.
2249         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
2250         (mulv4hi3): Set itanium_class mmmul.
2251         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
2252         (fpack): Rename from fpack_sfsf.
2253
2254 2005-01-05  Richard Henderson  <rth@redhat.com>
2255
2256         PR rtl-opt/10692
2257         * reload1.c (do_input_reload): Restrict the optimization deleteing
2258         a previous output reload to RELOAD_FOR_INPUT.
2259
2260 2005-01-05  Steven Bosscher  <stevenb@suse.de>
2261
2262         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
2263         comment that we fall through after case.
2264         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
2265         (distribute_links): Likewise.
2266         * cse.c (cse_insn): Likewise.
2267         * cselib.c (cselib_invalidate_mem): Likewise.
2268         * df.c: Update comments at the top of the file.
2269         (read_modify_subreg_p): Update comments here too.
2270         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
2271         * flow.c (mark_set_1): Likewise.
2272         (mark_used_regs): Likewise.
2273         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2274         (canon_list_insert): Likewise.
2275         (mark_set): Likewise.
2276         (try_replace_reg): Likewise.
2277         (store_killed_in_insn): Likewise.
2278         * loop.c (count_one_set): Likewise.
2279         (basic_induction_var): Likewise.
2280         * postreload-gcse.c (find_mem_conflicts): Likewise.
2281         * postreload.c (reload_combine_note_store): Likewise.
2282         (move2add_note_store): Likewise.
2283         * reload.c (find_equiv_reg): Likewise.
2284         (mark_referenced_resources): Likewise.
2285         * rtlanal.c (set_noop_p): Likewise.
2286         (note_stores): Likewise.
2287         (note_uses): Likewise.
2288         * sched-deps.c (sched_analyze_1): Likewise.
2289         * sched-rgn.c (check_live_1): Likewise.
2290         (update_live_1): Likewise.
2291         * config/i860/i860.c: Likewise.
2292
2293         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
2294         an lvalue.
2295         (ZERO_EXTRACT): Mention that this one can be an lvalue.
2296
2297         * doc/rtl.texi: Update documentation for bit-fields and SET.
2298
2299 2005-01-05  Roger Sayle  <roger@eyesopen.com>
2300
2301         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
2302
2303 2005-01-05  Jan Hubicka  <jh@suse.cz>
2304             Richard Henderson  <rth@redhat.com>
2305
2306         PR target/18910
2307         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
2308         with an offset.
2309
2310 2005-01-05  Richard Henderson  <rth@redhat.com>
2311
2312         PR target/12902
2313         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
2314         (sse_shufps): Change operand 3 to const_int_operand.
2315         (sse2_storelps): Fix typo in template.
2316         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
2317         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
2318         (ix86_expand_builtin): Likewise.
2319
2320 2005-01-05  Julian Brown  <julian@codesourcery.com>
2321
2322         * config/arm/arm.c (arm_return_in_memory): Treat complex types
2323         as aggregates for AAPCS ABIs.
2324
2325 2005-01-05  Stan Shebs  <shebs@apple.com>
2326
2327         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
2328         Mach-O getters if ppc64.
2329         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
2330         size argument.
2331         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2332         signed four-byte field for global code case.
2333         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
2334
2335 2005-01-05  Roger Sayle  <roger@eyesopen.com>
2336
2337         PR middle-end/19100
2338         * c-common.c: Include real.h.
2339         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
2340         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
2341         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
2342         * Makefile.in (c-common.o): Update dependencies.
2343
2344 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
2345
2346         * c-parse.in (asm_string): Add trailing semicolon.
2347
2348 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
2349
2350         * c-parse.in (asm_string): New.  Don't allow wide strings in
2351         'asm'.
2352         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
2353         asm_string instead of STRING.
2354
2355 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
2356
2357         * c-typeck.c (constructor_no_implicit): Remove.
2358         (set_designator, process_init_element): Don't check
2359         constructor_no_implicit.
2360
2361 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
2362             Kaz Kojima  <kkojima@gcc.gnu.org>
2363
2364         PR target/16482
2365         * lcm.c (create_pre_exit): New.
2366         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
2367         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
2368
2369 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
2370
2371         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
2372         -msoft-float in target_float_switch.
2373         * arm.c (arm_override_options): Fix processing of target_float_switch.
2374
2375 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
2376
2377         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
2378         preferencing.
2379
2380 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
2381
2382         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
2383         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
2384
2385 2005-01-04  Roger Sayle  <roger@eyesopen.com>
2386
2387         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
2388         if deleting the then-block allows the test-block to fallthru to the
2389         else-block.
2390
2391 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
2392
2393         PR c/19152
2394         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
2395         after the full declaration if the are in two different TUs.
2396
2397 2005-01-04  Richard Henderson  <rth@redhat.com>
2398
2399         PR tree-opt/19158
2400         * tree-sra.c (generate_one_element_init): Just
2401         call gimplify_and_add.
2402         (generate_element_init): Record the
2403         new referenced variables and mark them for renaming
2404         and split out to ...
2405         (generate_element_init_1): This.
2406         (scalarize_init): Don't call push_gimplify_context/
2407         pop_gimplify_context.
2408
2409 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
2410
2411         * toplev.c (get_src_pwd): Handle failure of getpwd().
2412
2413 2005-01-04  Roger Sayle  <roger@eyesopen.com>
2414
2415         * fold-const.c (fold_single_bit_test): Delete unreachable handling
2416         of TRUTH_NOT_EXPR.
2417         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
2418         all the cases handled by it are inverted by invert_truthvalue.
2419
2420 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2421
2422         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
2423         (save_register_windowsi): Likewise.
2424
2425 2005-01-04  Richard Henderson  <rth@redhat.com>
2426
2427         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
2428
2429 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
2430
2431         PR middle-end/17767
2432         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
2433         any simplifications of vector mode comparison operators.
2434         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
2435
2436 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
2437             Devang Patel  <dpatel@apple.com>
2438
2439         PR tree-optimization/18308
2440         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
2441         the operands before creating a new expression.
2442         * dojump.c (do_jump): Make drop_through_label available
2443         for all cases.  Add expansion of COND_EXPR.
2444
2445 2005-01-04  Ira Rosen  <irar@il.ibm.com>
2446
2447         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
2448         INTEGER_CST instead of TREE_CONSTANT.
2449         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
2450         instead of TREE_CONSTANT.
2451         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
2452         instead of TREE_CONSTANT.
2453
2454 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2455
2456         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
2457
2458 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
2459
2460         PR target/19240
2461         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
2462         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
2463
2464 2005-01-03  Richard Henderson  <rth@redhat.com>
2465
2466         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
2467         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
2468         fold_convert_const_real_from_real): Split out from ...
2469         (fold_convert_const): ... here.
2470
2471 2005-01-03  Richard Henderson  <rth@redhat.com>
2472
2473         PR target/19235
2474         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
2475         (mov<MMXMODEI>_internal): Likewise.
2476         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
2477         Add V2SF case; use it for SSE1; don't use TI.
2478         (movdf_integer): Likewise.
2479         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
2480
2481 2005-01-03  Ira Rosen  <irar@il.ibm.com>
2482
2483         * tree-vectorizer.c (vect_strip_conversions): New function.
2484         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
2485         check for binary class.
2486
2487 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
2488
2489         Fix PR debug/17924
2490         Fix PR debug/19191
2491         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
2492         is a decl.
2493         * gimple-low.c (mark_blocks_with_used_vars): New function.
2494         (mark_blocks_with_used_subblocks): Ditto.
2495         (mark_used_blocks): Ditto.
2496         (pass_mark_used_blocks): New pass.
2497         * tree-inline.c: Include debug.h.
2498         (expand_call_inline): Call outlining_inline_function here.
2499         * tree-optimize.c (init_tree_optimization_passes): Add
2500         pass_mark_used_blocks.
2501         * tree-pass.h (pass_mark_used_blocks): New.
2502         * Makefile.in (tree-inline.o): Add debug.h dependency.
2503
2504 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
2505
2506         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
2507         VAR_DECLs to have weak_import attribute.
2508
2509         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
2510         'struct ucontext'.
2511
2512 2004-01-03  Steven Bosscher  <stevenb@suse.de>
2513
2514         * passes.c (rest_of_compilation): Don't run regmove if only
2515         flag_expensive_optimizations, require flag_regmove instead.
2516
2517 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2518
2519         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
2520         register "sparc".
2521         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
2522         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2523         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
2524         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2525
2526 2005-01-03  Richard Henderson  <rth@redhat.com>
2527
2528         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
2529         (ia64_const_ok_for_letter_p): New.
2530         (ia64_const_double_ok_for_letter_p): New.
2531         (ia64_extra_constraint): New.
2532         (ia64_expand_vecint_compare): New.
2533         (ia64_expand_vcondu_v2si): New.
2534         (ia64_expand_vecint_cmov): New.
2535         (ia64_expand_vecint_minmax): New.
2536         (ia64_print_operand): Add 'v'.
2537         (ia64_preferred_reload_class): New.
2538         (ia64_vector_mode_supported_p): New.
2539         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
2540         (PREFERRED_RELOAD_CLASS): Move to function.
2541         (CONST_OK_FOR_LETTER_P): Move to function.
2542         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
2543         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
2544         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
2545         (EXTRA_CONSTRAINT): Move to function.
2546         * config/ia64/ia64.md: Include vect.md.
2547         (itanium_class): Add mmalua.
2548         (type): Handle it.
2549         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
2550         (1b_mmalua): New.
2551         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
2552         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
2553         CONST0_RTX.
2554         (const_int_2bit_operand): New.
2555         (fr_reg_or_0_operand): New.
2556         * config/ia64/ia64-modes.def: Add vector modes.
2557         * config/ia64/ia64-protos.h: Update.
2558         * config/ia64/vect.md: New file.
2559
2560 2005-01-03  Richard Henderson  <rth@redhat.com>
2561
2562         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
2563
2564 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
2565
2566         PR target/19236
2567         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
2568         to SFmode.
2569         (log1pdf2): Change mode of operands[0,1] to DFmode.
2570
2571 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2572
2573         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
2574         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
2575         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
2576         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
2577         SPARC_RELAXED_ORDERING.
2578
2579 2005-01-03  Richard Henderson  <rth@redhat.com>
2580             Uros Bizjak  <uros@kss-loka.si>
2581
2582         PR target/14631
2583         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
2584         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
2585         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
2586         handling.
2587         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
2588         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
2589         const_pow2_1_to_128_operand): New predicates.
2590
2591 2005-01-02  Greg McGary  <greg@mcgary.org>
2592
2593         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
2594         anonymous decls.
2595         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
2596         object.  [ptr_type]: Remove unused variable.
2597         Remember nearest addressable array-element or record-component
2598         when checking bitfield components.  Tolerate empty BIND_EXPR.
2599
2600 2005-01-01  Richard Henderson  <rth@redhat.com>
2601
2602         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
2603         that don't narrow the value.  Fail for other conversions.
2604
2605 2005-01-01  Richard Henderson  <rth@redhat.com>
2606
2607         PR c/19031
2608         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
2609         * c-lang.c (finish_file): Don't do it here.
2610         * objc/objc-act.c (objc_finish_file): Likewise.
2611
2612         * cgraph.c (decl_assembler_name_equal): New.
2613         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
2614         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
2615         * cgraph.h (struct cgraph_varpool_node): Add next.
2616         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
2617         * varasm.c (assemble_alias): Mark the target as needed.
2618
2619 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
2620
2621         PR middle-end/19221
2622         * function.c (get_arg_pointer_save_area): Use entry_of_function
2623         instead of get_insns.
2624
2625 2005-01-01  Roger Sayle  <roger@eyesopen.com>
2626             Andrew Pinski  <pinskia@physics.uc.edu>
2627             James E. Wilson  <wilson@specifixinc.com>
2628
2629         PR rtl-optimization/12092
2630         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
2631         is zero.
2632
2633 2005-01-01  Roger Sayle  <roger@eyesopen.com>
2634             Olivier Hainque  <hainque@act-europe.fr>
2635
2636         * tree.c (int_fits_type_p): A narrower type always fits in a
2637         wider one, except for negative values into unsigned types.
2638
2639 2005-01-01  Roger Sayle  <roger@eyesopen.com>
2640
2641         * tree.c (int_fits_type_p): Compare the result of force_fit_type
2642         with the original constant rather than require TREE_OVERFLOW.
2643
2644 2005-01-01  Steven Bosscher  <stevenb@suse.de>
2645
2646         PR middle-end/17544
2647         * c-decl.c (finish_function): If compiling C99, annotate the
2648         compiler generated return with the current file name and line 0.
2649         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
2650         the source line is greater than 0.
2651         (remove_bb): Likewise.
2652
2653 See ChangeLog.12 for earlier changes.