gcc/ChangeLog

   1 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
   2
   3         PR tree-optimization/15791
   4         * fold-const.c (extract_array_ref): New function.
   5         (fold): Fold comparisons between &a[i] and &a[j] or
   6         semantically equivalent trees.
   7
   8 2005-01-29  Jeff Law  <law@redhat.com>
   9
  10         * gcse.c (insert_expr_in_table): Revamp handling of available
  11         and anticipatable occurrence lists to avoid unnecessary list
  12         walking.
  13         (insert_set_in_table): Similarly.
  14
  15 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
  16
  17         * c-common.c (fix_string_type): Just use c_build_qualified_type to
  18         build string type.
  19         (c_build_qualified_type): Build qualified array types with
  20         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
  21         * c-decl.c (c_make_fname_decl): Build unqualified array type
  22         before qualified type.
  23         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
  24         type is qualified, not just if type itself is.  Don't apply
  25         qualifiers to array type when declarator is processed.  Apply
  26         qualifiers to field type whether or not it is an array type.
  27         Don't handle array types specially for applying qualifiers to
  28         variables.
  29         * c-typeck.c (composite_type): Build unqualified element type and
  30         array type when forming composite of array types.
  31         (common_pointer_type, comptypes, comp_target_types,
  32         type_lists_compatible_p, build_indirect_ref, build_array_ref,
  33         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
  34         types.
  35         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
  36         (args2) in variables a1 and a2.
  37
  38 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
  39
  40         * cse.c (n_elements_made, max_elements_made): Remove.
  41         (insert): Don't touch n_elements_made.
  42         (cse_main): Don't touch n_elements_made or max_elements_made.
  43
  44 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
  45
  46         PR target/15384
  47         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
  48         configuration part of dp-bit.c to be lost.
  49
  50 2005-01-28  Roger Sayle  <roger@eyesopen.com>
  51
  52         * expmed.c (expand_mult_highpart_optab): When attempting to use
  53         a non-widening multiplication in a wider mode, the operands need
  54         to be converted (zero or sign extended) to that mode.
  55
  56 2005-01-28  Ian Lance Taylor  <ian@airs.com>
  57
  58         PR middle-end/16558
  59         PR middle-end/19583
  60         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
  61         through if both operands fall through.
  62
  63 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
  64
  65         * cse.c (fold_rtx) <PC>: Don't optimize.
  66
  67 2005-01-28  Jeff Law  <law@redhat.com>
  68
  69         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
  70         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
  71
  72 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
  73
  74         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
  75         cse_reg_info_used_list_end): Remove.
  76         (cse_reg_info_list, cse_reg_info_list_free): New.
  77         (get_cse_reg_info): When allocating an instance of
  78         cse_reg_info, add it to the beginning of the cse_reg_info_list
  79         list.  Remove code to maintain cse_reg_info_used_list.
  80         (new_basic_block): Reset the free list to the beginning of
  81         cse_reg_info_list.
  82
  83 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
  84
  85         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
  86         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
  87         (frv_expand_mdpackh_builtin): New function.
  88         (frv_expand_builtin): Use it to expand __MDPACKH.
  89         * doc/extend.texi (__MDPACKH): Update documentation.
  90
  91 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
  92
  93         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
  94         SSE_FLOAT_MODE_P for use_sse computation.
  95
  96 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
  97
  98         PR target/19663
  99         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
 100
 101 2005-01-27  Richard Henderson  <rth@redhat.com>
 102
 103         * builtins.c (expand_builtin_copysign): New.
 104         (expand_builtin): Call it.
 105         * genopinit.c (optabs): Add copysign_optab.
 106         * optabs.c (init_optabs): Initialize it.
 107         (expand_copysign): New.
 108         * optabs.h (OTI_copysign, copysign_optab): New.
 109         (expand_copysign): Declare.
 110
 111         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
 112         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
 113
 114         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
 115         (ix86_expand_fp_absneg_operator): ... here.
 116         (ix86_split_copysign): New.
 117         * config/i386/i386-protos.h: Update.
 118         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
 119         (copysignsf3, copysigndf3): New.
 120
 121         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
 122         (copysignsf3, ncopysignsf3): New.
 123         (copysigndf3, ncopysigndf3): New.
 124         (copysignxf3, ncopysignxf3): New.
 125         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
 126
 127 2005-01-27  Arend Bayer  <arend.bayer@web.de>
 128             Kazu Hirata  <kazu@cs.umass.edu>
 129
 130         * cse.c: (find_best_addr): Don't call copy_rtx before calling
 131         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
 132         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
 133         NULL_RTX.
 134
 135 2005-01-27  Jeff Law  <law@redhat.com>
 136
 137         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
 138         definitions of SSA_NAMEs which are not being rewritten.
 139         (rewrite_ssa_into_ssa): Only initialize the current definition
 140         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
 141         If checking is enabled, assert that SSA_NAME_AUX is clear for all
 142         SSA_NAMEs before returning.
 143
 144 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
 145
 146         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
 147         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
 148         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
 149         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
 150         config/mips/iris6.h, config/sh/sh.c: Update copyright.
 151
 152 2005-01-27  Steven Bosscher  <stevenb@suse.de>
 153
 154         PR middle-end/17278
 155         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
 156         higher to -O2 and higher.  Likewise for tree PRE.
 157         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
 158         and better.
 159
 160 2005-01-27  Ian Lance Taylor  <ian@airs.com>
 161
 162         PR middle-end/19583
 163         * gimple-low.c (try_catch_may_fallthru): New static function.
 164         (block_may_fallthru): Handle TRY_CATCH_EXPR.
 165         * tree-inline.c (expand_call_inline): Don't warn about reaching
 166         the end of a non-void function being inlined if the function uses
 167         a return slot.
 168
 169 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
 170
 171         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
 172
 173         PR c/18946
 174         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
 175         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
 176         (implicitly_declare): Handle error_mark_node.
 177
 178 2005-01-27  Richard Henderson  <rth@redhat.com>
 179
 180         PR tree-opt/14329
 181         * tree.h (struct tree_decl): Add debug_expr_is_from.
 182         (DECL_DEBUG_EXPR_IS_FROM): New.
 183         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
 184         * dwarf2out.c (dwarf2out_var_location): Update to match.
 185         * tree-outof-ssa.c (create_temp): Likewise.
 186         * var-tracking.c (track_expr_p): Likewise.
 187         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
 188         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
 189         * toplev.c (default_tree_printer): Likewise.
 190
 191 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
 192
 193         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
 194         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
 195
 196 2005-01-27  Steven Bosscher  <stevenb@suse.de>
 197
 198         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
 199         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
 200         ASM_CLOBBERS): Add tree checks.
 201
 202         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
 203         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
 204         * c-common.def (SWITCH_STMT): Update to match.
 205         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
 206         macros instead of SWITCH_EXPR ones.
 207         * c-dump.c (c_dump_tree): Likewise.
 208         * c-gimplify.c (gimplify_switch_stmt): Likewise.
 209         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
 210
 211         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
 212
 213 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
 214
 215         * unwind-dw2.c (execute_stack_op): Add missing cases for
 216         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
 217
 218 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
 219
 220         * config.gcc (Obsolete configurations): Remove 'dummy', add
 221         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
 222         sparc-*-openbsd*.
 223
 224 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
 225
 226         PR tree-optimization/19633
 227         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
 228         CALL_EXPRs.
 229         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
 230         are no call-clobbered variables.
 231         * tree-outof-ssa.c (check_replaceable): Return false for calls
 232         with side-effects.
 233
 234 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
 235
 236         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
 237         even for variables with NULL DECL_INITIAL.
 238
 239 2005-01-26  Stuart Hastings  <stuart@apple.com>
 240
 241         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
 242
 243 2005-01-26  Richard Henderson  <rth@redhat.com>
 244
 245         PR middle-end/18008
 246         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
 247         field's type.
 248         * expr.c (store_field): Strip conversions to odd-bit-sized types
 249         if the destination field width matches.
 250
 251 2005-01-26  Richard Henderson  <rth@redhat.com>
 252
 253         * c-decl.c, expmed.c, expr.c: Revert last change.
 254
 255 2005-01-26  Richard Henderson  <rth@redhat.com>
 256
 257         PR middle-end/18008
 258         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
 259         field's type.
 260         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
 261         if we don't need the bits above those present in the current mode.
 262         * expr.c (store_field): Strip conversions to odd-bit-sized types
 263         if the destination field width matches.
 264
 265 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
 266
 267         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
 268         either -ffast-math or -funsafe-math-optimizations is in use.
 269
 270 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
 271
 272         PR target/19293
 273         PR target/19329
 274         * config/avr/avr.c (notice_update_cc): Only set condition code for
 275         ashrqi3 if shift count > 0.
 276         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
 277         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
 278         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
 279         count <= 0 as a no-op, and shift count >= width by copying zero
 280         or sign bit to all bits of the result.
 281         * config/avr/avr.md (all shifts): Add alternatives for zero shift
 282         count, with attribute "length" set to 0 and "cc" set to "none".
 283
 284 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
 285
 286         * doc/invoke.texi: Document -mTLS.
 287
 288         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
 289         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
 290         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
 291         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
 292         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
 293         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
 294         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
 295         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
 296
 297         * configure.ac: Check for a TLS capable gas.
 298
 299         * configure: Regenerate.
 300
 301 2005-01-26  Richard Henderson  <rth@redhat.com>
 302
 303         PR middle-end/18008
 304         * combine.c (make_field_assignment): Simplify store to zero_extract
 305         from a source with an overlapping mask.
 306
 307 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
 308
 309         2004-11-11  Eric Christopher  <echristo@redhat.com>
 310
 311         * config/frv/frv.md: Add fr400_integer automaton. Don't
 312         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
 313         to TYPE_MACC.
 314
 315 2005-01-26  Steven Bosscher  <stevenb@suse.de>
 316
 317         PR middle-end/16585
 318         * cfgbuild.c (make_edges): Do not clear or set
 319         current_function_has_computed_jump.
 320         * function.h (struct function): Remove the has_computed_jump field.
 321         (current_function_has_computed_jump): Do not define.
 322         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
 323         in a computed jump.  Ignore current_function_has_computed_jump.
 324
 325 2005-01-26  Richard Henderson  <rth@redhat.com>
 326
 327         PR middle-end/19515
 328         * expr.c (categorize_ctor_elements): New argument p_must_clear.
 329         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
 330         fully initialized.
 331         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
 332         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
 333         objects into static storage if they have more than one non-zero value.
 334         * tree.h (categorize_ctor_elements): Update decl.
 335
 336 2005-01-26  Steven Bosscher  <stevenb@suse.de>
 337
 338         PR middle-end/19616
 339         * tree.h (CALL_EXPR_TAILCALL): Add comment.
 340         * calls.c (check_sibcall_argument_overlap_1): Revert the change
 341         to this function from 2004-07-10.
 342         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
 343         the current function for tail call optimizations if the address
 344         of one of it its arguments is taken.
 345
 346 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
 347
 348         * cse.c (fold_rtx): Call equiv_constant only when necessary.
 349
 350 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
 351
 352         * function.c (expand_function_end): If current_function_calls_alloca,
 353         emit stack restore in a place that is reached when the function falls
 354         through at the end.
 355
 356 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
 357
 358         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
 359         rule to avoid matching inappropriate suffix rule.
 360
 361 2005-01-26  Jan Hubicka  <jh@suse.cz>
 362
 363         PR tree-optimization/19241
 364         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
 365
 366 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
 367
 368         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
 369         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
 370         of doubling.
 371         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
 372         <sim*>: Always use crt1.o, regardless of N in simN.
 373         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
 374         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
 375         (CRT_CALL_STATIC_FUNCTION): Remove.
 376         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
 377         use crt1.o, regardless of N in simN.
 378         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
 379         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
 380         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
 381         case isystem setting.
 382         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
 383
 384 2005-01-25  Ian Lance Taylor  <ian@airs.com>
 385
 386         * gimple-low.c (block_may_fallthru): Correct handling of
 387         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
 388
 389 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
 390
 391         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
 392         handlers to match indentation; nested under the mtune=* handler.
 393         Similar for mcpu= and march=.
 394
 395 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
 396
 397         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
 398         * config/mips/linux64.h (LIB_SPEC): Likewise.
 399         * config/mn10300/linux.h (LIB_SPEC): Likewise.
 400         * config/sh/linux.h (LIB_SPEC): Likewise.
 401
 402 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
 403
 404         * config/frv/frv.c (frv_legitimize_tls_address): New.
 405         (TARGET_HAVE_TLS): Define.
 406         (FRV_SYMBOL_REF_TLS_P): Define.
 407         (frv_override_options): Handle new register classes.
 408         (frv_legitimate_address_p): Reject tls addresses.
 409         (frv_legitimize_address): Handle TLS addresses.
 410         (gen_inlined_tls_plt): New.
 411         (gen_tlsmoff): New.
 412         (frv_legitimize_tls_address): New.
 413         (unspec_got_name): Add TLS entries.
 414         (got12_operand): Add R_FRV_TLSMOFF12 case.
 415         (frv_emit_move): Fixup TLS addresses.
 416         (frv_emit_movsi): Legitimize TLS addresses.
 417
 418         * config/frv/frv.h (MASK_BIG_TLS): New.
 419         (TARGET_BIG_TLS): New.
 420         (HAVE_AS_TLS): Define.
 421         (TARGET_SWITCHES): Add -mTLS and -mtls options.
 422         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
 423         (REG_CLASS_NAMES): Same.
 424         (REG_CLASS_CONTENTS): Same.
 425         (CONSTRAINT_LEN): New.
 426         (REG_CLASS_FROM_CONSTRAINT): New.
 427         (PREDICATE_CODES): Add symbolic_operand.
 428
 429         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
 430         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
 431         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
 432         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
 433         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
 434         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
 435         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
 436         GR9_REG, GR14_REG, LRREG.
 437         (type): Add load_or_call attribute.
 438         ("load_or_call"): New reservation.
 439         ("call_gettlsoff"): New.
 440         ("tls_indirect_call"): New.
 441         ("tls_load_gottlsoff12"): New.
 442         ("tlsoff_hilo"): New.
 443         ("tls_tlsdesc_ldd"): New.
 444         ("tls_tlsoff_ld"): New.
 445         ("tls_lddi"): New.
 446
 447         * config/frv/frv-protos.h (symbolic_operand): Protoize.
 448
 449         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
 450
 451         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
 452         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
 453         * config/frv/frv.c (TLS_BIAS): Define.
 454         (frv_output_dwarf_dtprel): New.
 455
 456 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
 457
 458         PR rtl-optimization/19579
 459         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
 460         both A and B, see if they don't clobber registers the other expr uses.
 461
 462 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
 463
 464         * real.c (do_add): Initialize signalling and canonical members.
 465
 466         * real.c (real_from_integer): Zero out destination.
 467
 468 2005-01-18  Jan Hubicka  <jh@suse.cz>
 469
 470         PR tree-optimize/19337
 471         * tree-inline.c (initialize_inlined_parameters): Copy
 472         saved_static_chain_decl only.
 473
 474 2005-01-25  Richard Henderson  <rth@redhat.com>
 475
 476         PR target/19556
 477         PR target/19584
 478         * config/i386/i386.c (x86_inter_unit_moves): Zero.
 479         (ix86_preferred_reload_class): Rewrite fp-constant section, with
 480         80387 enabled, to return a proper subclass.  Return the subset that
 481         overlaps with GENERAL_REGS for PLUS.
 482         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
 483
 484 2005-01-25  Richard Henderson  <rth@redhat.com>
 485
 486         PR middle-end/19609
 487         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
 488
 489 2005-01-25  Roger Sayle  <roger@eyesopen.com>
 490
 491         * expmed.c (choose_multiplier): Change interface to return the
 492         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
 493         (expand_divmod): Update calls to choose_multiplier.
 494
 495 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 496
 497         PR middle-end/19330
 498         * expmed.c (extract_bit_field): Use adjust_address instead of
 499         gen_lowpart when op0 is a MEM.
 500
 501 2005-01-24  Steven Bosscher  <stevenb@suse.de>
 502
 503         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
 504
 505 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
 506
 507         * config/mips/irix-csr.c: New file.
 508         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
 509         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
 510         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
 511         executables.
 512
 513 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
 514
 515         PR bootstrap/19364
 516         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
 517         sparc/elf.h, add sparc/sp-elf.h.
 518         (sparc-*-rtems*): Likewise.
 519         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
 520         tm-dwarf2.h, add sparc/sp-elf.h.
 521         (sparc86x-*-elf): Likewise.
 522         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
 523         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
 524         TARGET_OS_CPP_BUILTINS.
 525         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 526         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 527         Undefine it.
 528         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
 529         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
 530         (SWITCH_TAKES_ARG): Likewise.
 531         (LOCAL_LABEL_PREFIX): Likewise.
 532         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
 533         (TARGET_N_FORMAT_TYPES): Delete.
 534         (TARGET_FORMAT_TYPES): Likewise.
 535         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
 536         * config/sparc/elf.h: Delete.
 537         * config/sparc/sp-elf.h: New file.
 538
 539 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
 540
 541         * tree-flow-inline.h (phi_arg_from_edge): Remove.
 542         * tree-flow.h: Remove the corresponding prototype.
 543         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
 544         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
 545
 546 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
 547
 548         PR target/17751
 549         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
 550         for AIX ABI or ELF -fPIC.
 551         (rs6000_emit_load_toc_table): Don't create toc_section here.
 552         (rs6000_xcoff_file_start): Nor here.
 553
 554 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
 555
 556         * sh.c (ra.h): Don't #include.
 557         (hard_regs_intersect_p): New function, resurrected from ra.c.
 558
 559         * sh.c: Fix 1996 Copyright.
 560
 561 2005-01-24  Richard Henderson  <rth@redhat.com>
 562             Aldy Hernandez  <aldyh@redhat.com>
 563
 564         * regrename.c (note_sets): Handle subregs.
 565
 566 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
 567
 568         PR bootstrap/18058
 569         * genconditions.c (write_header, write_conditions): Elide file if
 570         not GCC >= 3.0.1.
 571
 572 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
 573
 574         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
 575         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
 576         Update copyright.
 577
 578 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
 579
 580         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
 581         expand_builtin_printf, expand_builtin_fprintf,
 582         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
 583         checking against POINTER_TYPE.
 584         (validate_arglist): Handle POINTER_TYPE code by checking
 585         POINTER_TYPE_P.
 586
 587 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
 588
 589         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
 590         init_rtlanal): New.
 591         (for_each_rtx): Call for_each_rtx_1.
 592         * rtl.h (init_rtlanal): Declare.
 593         * toplev.c (backend_init): Call init_rtlanal.
 594
 595 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
 596
 597         * flow.c (propagate_one_insn): Formatting.
 598
 599         PR middle-end/19551
 600         * flow.c (libcall_dead_p): Be more conservative if unsure.
 601         If there are any instructions between insn and call, see if they are
 602         all dead before saying the libcall is dead.
 603
 604 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
 605
 606         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
 607         operand constraint for operand 0.
 608
 609 2005-01-23  Richard Henderson  <rth@redhat.com>
 610
 611         PR 19486
 612         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
 613         edges leading to join block.
 614
 615 2005-01-23  Roger Sayle  <roger@eyesopen.com>
 616
 617         * expmed.c (expand_mult_highpart): Make static.  Change type of
 618         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
 619         (expand_divmod): Updates calls to expand_mult_highpart by using
 620         gen_int_mode to pass a CONST_INT rtx.
 621         * rtl.h (expand_mult_highpart): Remove prototype.
 622
 623 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
 624
 625         * flow.c (regset_bytes, regset_size): Remove.
 626
 627         * cfganal.c: Fix a reference to Harvey's paper.
 628
 629 2005-01-23  Steven Bosscher  <stevenb@suse.de>
 630
 631         PR rtl-optimization/19464
 632         * tree-optimize.c (init_tree_optimization_passes): Add one more
 633         copyrename pass just before out-of-ssa.
 634
 635 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
 636
 637         PR bootstrap/18058
 638         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
 639         * ggc-none.c (ggc_free): Define.
 640
 641 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
 642
 643         * cse.c (max_reg, max_insn_uid): Remove.
 644         (cse_main): Don't access max_reg or max_insn_uid.
 645
 646         * c-common.c (explicit_flag_signed_bitfields,
 647         lang_statement_code_p, lang_expand_function_end): Remove.
 648         * c-common.h: Remove the corresponding declarations.
 649         * c-opts.c (c_common_handle_option): Remove all write access
 650         to explicit_flag_signed_bitfields.
 651
 652         * cgraph.c (cgraph_varpool_n_nodes): Remove.
 653         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
 654         * cgraph.h: Remove the corresponding declaration.
 655
 656         * gcse.c (null_pointer_info): Remove.
 657
 658 2005-01-23  Roger Sayle  <roger@eyesopen.com>
 659             Eric Botcazou  <ebotcazou@libertysurf.fr>
 660
 661         * combine.c (simplify_logical): Only simplify logical expressions
 662         of the form ior(and(x,y),z) by the inverse distributive law if the
 663         result is cheaper than the original.
 664
 665 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
 666
 667         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
 668         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
 669         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
 670         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
 671         config/freebsd-spec.h, config/arm/arm.h,
 672         config/h8300/h8300.md, config/i386/i386.md,
 673         config/i386/predicates.md, config/i386/sse.md,
 674         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
 675         config/vax/vax.md: Fix comment typos.  Follow spelling
 676         conventions.
 677
 678 2005-01-23  Steven Bosscher  <stevenb@suse.de>
 679
 680         * gengtype.c (walk_type): Produce `not equal to' compares for loop
 681         tests, instead of `less than'.
 682
 683 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
 684
 685         * function.c (assign_parm_setup_block): When creating a new stack slot
 686         for a parameter, get its alignment from the parameter's DECL_ALIGN
 687         rather than the type's TYPE_ALIGN.  Make sure that the parameter
 688         is at least word aligned.
 689
 690 2005-01-22  Roger Sayle  <roger@eyesopen.com>
 691
 692         PR middle-end/19378
 693         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
 694
 695 2005-01-22  Richard Henderson  <rth@redhat.com>
 696
 697         PR target/19506
 698         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
 699         in both compare operands.
 700         (movdfcc_1_sse_max): Likewise.
 701         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
 702         (movdfcc_1_sse): Likewise.
 703         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
 704         scratch register as needed.
 705
 706 2005-01-22  Richard Henderson  <rth@redhat.com>
 707
 708         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
 709
 710         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
 711
 712 2005-01-22  Richard Henderson  <rth@redhat.com>
 713
 714         * genopinit.c (optabs): Use smin/smax for floating point too.
 715         * doc/md.texi: Update to match.  Clarify that floating point
 716         results are undefined for +0/-0 and NaN.
 717         * doc/rtl.texi: Likewise.
 718         * rtl.def (SMIN, SMAX): Likewise
 719         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
 720
 721         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
 722         leading 's' to the name.
 723         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
 724         smaxxf3, sminxf3): Likewise.
 725         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
 726         Likewise.
 727
 728 2005-01-22  Paul Brook  <paul@codesourcery.com>
 729
 730         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
 731
 732 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
 733
 734         * config/s390/s390.c (struct processor_costs): New fields
 735         dlgr, dlr, dr, dsgfr, dsgr.
 736         (z900_cost, z990_cost): Values for new fields.
 737         (s390_rtx_costs): New cases MEM und COMPARE in switch
 738         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
 739         DIV, MOD, UDIV, UMOD.
 740
 741 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
 742
 743         * config/s390/s390.md ("doloop_si64"): Reload input value directly
 744         into the register being decremented.
 745         ("doloop_si31", "doloop_di"): Likewise.
 746         ("*doloop_si_long"): Adapt pattern.
 747
 748 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
 749
 750         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
 751         access registers.
 752         (CLASS_MAX_NREGS): Likewise.
 753
 754 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
 755
 756         * doc/tree-ssa.texi (Statement Operands): Add example for new
 757         must-def macro. Note deprecation of old operands interface.
 758
 759 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
 760
 761         PR tree-optimization/19484
 762         * tree-cfg.c (remove_fallthru_edge): New function.
 763         (cleanup_control_flow): Remove fallthru edges from calls that are
 764         now known not to return.
 765
 766 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
 767
 768         Fix PR tree-optimization/19038
 769         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
 770         copies with loop variant ones.
 771
 772 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
 773
 774         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
 775         config/alpha/alpha-protos.h, config/alpha/alpha.h,
 776         config/alpha/alpha.md, config/alpha/predicates.md,
 777         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
 778         config/sparc/sol2.h: Update copyright.
 779
 780         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
 781         first label to see if it is a nonlocal label.
 782
 783 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
 784             Andrew Pinski  <pinskia@physics.uc.edu>
 785
 786         PR target/19491
 787         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
 788         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
 789
 790 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
 791
 792         * config/rs6000/rtems.h: Update copyright.
 793
 794 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
 795
 796         PR target/19548
 797         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
 798         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
 799         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
 800
 801 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 802
 803         PR c/18809
 804         * c-typeck.c (convert_arguments): Check for error_mark_node.
 805
 806 2005-01-21  Ian Lance Taylor  <ian@airs.com>
 807
 808         PR tree-optimization/13000
 809         * tree-inline.c: Include "tree-flow.h".
 810         (expand_call_inline): If warn_return_type, warn if non-void inline
 811         function falls through.
 812         * tree-cfg.c (execute_warn_function_return): Don't warn about
 813         control reaching end if TREE_NO_WARNING is set.  Set
 814         TREE_NO_WARNING.
 815         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
 816         has been lowered.
 817         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
 818         branch if we don't need one.
 819         * c-typeck.c: Include "tree-flow.h"
 820         (c_finish_bc_stmt): Don't add a goto if the current statement
 821         list doesn't fall through to the current point.
 822
 823 2005-01-21  Roger Sayle  <roger@eyesopen.com>
 824
 825         PR rtl-optimization/576
 826         * real.c (real_arithmetic): Change return type from void to bool
 827         to return an indication that the result may be inexact.
 828         * real.h (real_arithmeric): Update prototype.
 829         * fold-const.c (const_binop):  Don't constant fold floating
 830         point expressions when the user specifies -frounding-math and
 831         the result may depend upon the run-time rounding mode.
 832         (fold_convert_const_real_from_real): Clean-up.
 833         (fold_initializer): Ignore flag_rounding_math for initializers.
 834         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
 835         constant fold FP operations with flag_rounding_math if the
 836         result may depend upon the run-time rounding mode.
 837
 838 2005-01-21  Tom Tromey  <tromey@redhat.com>
 839
 840         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
 841
 842 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
 843
 844         * tree-cfg.c: Fix comment typos.
 845
 846 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
 847
 848         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
 849         around the call to rest_of_handle_branch_target_load_optimize.
 850
 851 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
 852
 853         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
 854         (sparc64-*-openbsd*): Likewise.
 855         (sparclite-*-elf*): Include tm-dwarf2.h.
 856         (sparc86x-*-elf*): Likewise.
 857         (sparc64-*-elf*): Likewise.
 858         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
 859         (DBX_DEBUGGING_INFO): Likewise.
 860         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
 861         (PREFERRED_DEBUGGING_TYPE): Likewise.
 862         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
 863         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
 864         (PREFERRED_DEBUGGING_TYPE): Likewise.
 865         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
 866         (PREFERRED_DEBUGGING_TYPE): Likewise.
 867         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
 868
 869 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
 870
 871         PR target/18701
 872         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
 873
 874 2005-01-20  Paul Brook  <paul@codesourcery.com>
 875
 876         * doc/rtl.texi: Document value extension requirements for CONST_INT.
 877
 878 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
 879
 880         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
 881         label is first in a sequence of labels.
 882
 883         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
 884
 885 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
 886             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
 887
 888         * doc/sourcebuild.texi (Test Directives): New.
 889
 890 2005-01-20  Roger Sayle  <roger@eyesopen.com>
 891
 892         * real.c (real_floor): Don't leave the result uninitialized when
 893         mode is VOIDMode, but return the unrounded intermediate value.
 894         (real_ceil): Likewise.
 895
 896 2005-01-20  Paul Brook  <paul@codesourcery.com>
 897
 898         * config/arm/arm.md (insv): Use gen_int_mode.
 899
 900 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
 901
 902         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
 903         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 904         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 905         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 906         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
 907
 908 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
 909
 910         Fix PR debug/19124
 911         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
 912         fbreg, so we have to assume we can't.
 913         (loc_descriptor_from_tree_1): Ditto.
 914         (containing_function_has_frame_base): New function.
 915         (add_location_or_const_value_attribute): Use it.
 916         Also try to generate a frame_base from a single element location
 917         list.
 918
 919 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
 920
 921         PR tree-optimization/15349
 922         * timevar.def (TV_TREE_MERGE_PHI): New.
 923         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
 924         PHI_WANTED.
 925         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
 926         calls to tree_forwarder_block_p.
 927         (remove_forwarder_block_with_phi, merge_phi_nodes,
 928         gate_merge_phi, pass_merge_phi): New.
 929         * tree-optimize.c (init_tree_optimization_passes): Add
 930         pass_merge_phi.
 931         * tree-pass.h: Add an extern for pass_merge_phi;
 932
 933 2005-01-20  Richard Henderson  <rth@redhat.com>
 934
 935         PR target/19418
 936         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
 937         (_mm_castps_pd, _mm_castps_si128): New.
 938         (_mm_castsi128_ps, _mm_castsi128_pd): New.
 939
 940 2005-01-20  Richard Henderson  <rth@redhat.com>
 941
 942         PR target/19530
 943         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
 944         __builtin_ia32_vec_init_v2si.
 945         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
 946         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
 947         (ix86_init_mmx_sse_builtins): Create it.
 948         (ix86_expand_builtin): Expand it.
 949         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
 950         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
 951         (vec_extractv2si_0, vec_extractv2si_1): New.
 952
 953 2005-01-20  Richard Henderson  <rth@redhat.com>
 954
 955         PR target/16533
 956         * config/i386/i386.c (ix86_expand_push): New.
 957         * config/i386/mmx.md (push<MMXMODE>1): New.
 958         * config/i386/sse.md (push<SSEMODE>1): New.
 959         * config/i386/i386-protos.h: Update.
 960
 961 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
 962
 963         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
 964         copyright.
 965
 966 2005-01-20  Richard Henderson  <rth@redhat.com>
 967
 968         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
 969         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
 970
 971 2005-01-19  Richard Henderson  <rth@redhat.com>
 972
 973         PR target/19350
 974         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
 975         to V4SFmode in SSE1 fallback load path.
 976
 977 2005-01-19  Richard Henderson  <rth@redhat.com>
 978
 979         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
 980         in QImode expansion to ix86_expand_vector_set.
 981         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
 982
 983 2005-01-19  Richard Henderson  <rth@redhat.com>
 984
 985         PR target/19511
 986         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
 987         subclass of the input class.
 988         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
 989         Always true for cross-SSE1 classes.  Rationalize conditionals.
 990         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
 991         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
 992         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
 993         (movdi_2): Add MMX/SSE zeros.
 994         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
 995         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
 996         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
 997         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
 998         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
 999         (zero_extendsidi2_rex64_1): Remove.
1000         (MOV0 peephole): Check GENERAL_REG_P.
1001
1002 2005-01-19  Richard Henderson  <rth@redhat.com>
1003
1004         PR target/19427
1005         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
1006         shufps elements.
1007         (ix86_expand_vector_extract): Likewise.
1008
1009 2005-01-19  Richard Henderson  <rth@redhat.com>
1010
1011         PR middle-end/19304
1012         * expr.c (emit_move_change_mode): New argument force; use
1013         simplify_gen_subreg if true.
1014         (emit_move_via_alt_mode): Merge into ...
1015         (emit_move_via_integer): ... here.
1016         (emit_move_ccmode): Use emit_move_change_mode directly.
1017
1018 2005-01-19  Richard Henderson  <rth@redhat.com>
1019
1020         PR target/19518
1021         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
1022         (alpha_preferred_reload_class): Handle CONST_VECTOR.
1023         (alpha_emit_set_const_1): Add no_output parameter; don't emit
1024         rtl if true.
1025         (alpha_emit_set_const): Likewise.  Make static.
1026         (alpha_emit_set_long_const): Make static.
1027         (alpha_extract_integer): Split out from alpha_expand_mov.
1028         (alpha_split_const_mov): Likewise.
1029         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
1030         (alpha_legitimate_constant_p): New.
1031         * config/alpha/alpha-protos.h: Update.
1032         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
1033         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
1034         * config/alpha/alpha.md (movsi): Add n alternative.
1035         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
1036         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
1037         (splitters for all of the above): Use alpha_split_const_mov.
1038         * config/alpha/predicates.md (non_add_const_operand): New.
1039         (non_zero_const_operand): New.
1040         (input_operand): Use alpha_legitimate_constant_p after reload.
1041
1042 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
1043
1044         PR tree-optimization/19038
1045         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
1046         (add_candidate): Add ivs with increment in latch only if
1047         allow_ip_end_pos_p is true.
1048         (determine_iv_cost): Use empty_block_p.
1049
1050 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
1051
1052         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
1053         (compute_dominance_frontiers): Ditto.
1054
1055 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
1056
1057         PR target/19529
1058         * config/sh/t-rtems: New.
1059         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
1060
1061 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
1062
1063         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
1064         the offset of the selected field.
1065
1066 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
1067
1068         * tree-cfg.c (remove_forwarder_block): Fix the check to
1069         prevent a nonlocal label from appearing in the middle of a
1070         basic block.
1071
1072 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
1073
1074         PR rtl-optimization/19462
1075         * reorg.c (find_end_label): Create return insn only if
1076         current_function_epilogue_delay_list is empty.
1077
1078 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
1079
1080         * doc/passes.texi: Remove paragraph mentioning new-ra.
1081
1082 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
1083
1084         PR rtl-optimization/15139
1085         * combine.c: Include params.h.
1086         (count_rtxs): New function.
1087         (record_value_for_reg): If replace_rtx would replace at least
1088         2 occurrences of REG in VALUE and TEM is really large, replace REG with
1089         (clobber (const_int 0)) instead of TEM.
1090         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
1091         * params.h (MAX_LAST_VALUE_RTL): New.
1092         * Makefile.in (combine.o): Depend on $(PARAMS_H).
1093         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
1094
1095         PR c/17297
1096         * c-typeck.c (digest_init): Only call build_vector if all constructor
1097         elements are *_CST nodes.
1098         * gimplify.c (gimplify_init_constructor): Likewise.
1099
1100         PR middle-end/19164
1101         * c-typeck.c (digest_init): Only call build_vector if inside_init
1102         is a CONSTRUCTOR.
1103
1104 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
1105
1106         * toplev.c (init_asm_output): Remove dead #ifdef.
1107
1108 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1109
1110         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
1111
1112 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
1113
1114         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
1115         accessing DECL_FUNCTION_CODE.
1116         * dojump.c (do_jump): Likewise.
1117         * gimplify.c (gimplify_call_expr): Likewise.
1118         * predict.c (expr_expected_value): Likewise.
1119         (strip_builtin_expect): Likewise.
1120         * tree-inline.c (estimate_num_insns_1): Likewise.
1121         * tree-ssa-loop-im.c (stmt_cost): Likewise
1122         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
1123         (tree_expr_nonnegative_p): Likewise.
1124
1125 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
1126
1127         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
1128         variant of the load_pcrel_sym pattern.
1129         * config/sparc/sparc.md (P macro): Move to the top.
1130         (load_pcrel_sym): Macroize using P.
1131         (save_register_window): Likewise.
1132
1133 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
1134
1135         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
1136         ("sordered"): Same.
1137
1138 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1139
1140         PR C/19472
1141         * c-typeck.c (build_asm_expr): Strip nops off
1142         input memory operands.
1143
1144 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
1145
1146         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
1147         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
1148         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
1149         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
1150
1151 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
1152
1153         PR target/19379
1154         * config/i386/i386.c (override_options): If the 80387 is disabled,
1155         then do not return FP values using FP registers.
1156
1157 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
1158
1159         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
1160         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
1161         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
1162         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
1163         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
1164         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
1165         output.h, postreload-gcse.c, postreload.c, recog.c,
1166         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
1167         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
1168         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
1169         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
1170         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
1171         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
1172         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
1173         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
1174
1175         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
1176         config/alpha/alpha.c, config/arm/vfp.md,
1177         config/i386/emmintrin.h, config/i386/i386-modes.def,
1178         config/i386/i386-protos.h, config/i386/i386.h,
1179         config/i386/pmmintrin.h, config/i386/ppro.md,
1180         config/i386/predicates.md, config/i386/xmmintrin.h,
1181         config/i860/i860.c, config/ia64/ia64-modes.def,
1182         config/ia64/ia64-protos.h, config/ia64/ia64.h,
1183         config/ia64/ia64.md, config/ia64/itanium1.md,
1184         config/ia64/itanium2.md, config/ia64/predicates.md,
1185         config/iq2000/iq2000.h, config/mips/linux64.h,
1186         config/rs6000/aix41.h, config/rs6000/aix43.h,
1187         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
1188         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1189         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
1190         config/sparc/linux64.h, config/sparc/litecoff.h,
1191         config/sparc/sp64-elf.h, config/sparc/sparc.c,
1192         config/sparc/sparc.h, config/sparc/sparc.md,
1193         config/sparc/sysv4-only.h: Update copyright.
1194
1195 2005-01-18  Richard Henderson  <rth@redhat.com>
1196
1197         PR target/19496
1198         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
1199
1200 2005-01-18  Marc Espie  <espie@openbsd.org>
1201         * config/i386/openbsdelf.h: Typo.
1202
1203 2005-01-18  Richard Henderson  <rth@redhat.com>
1204
1205         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
1206         special case for sse.
1207         * config/i386/predicates.md (sse_comparison_operator): Likewise.
1208
1209 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
1210
1211         * tree-inline.c (estimate_num_insns_1): Added cases for
1212         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
1213
1214 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
1215
1216         PR rtl-optimization/19296
1217         * combine.c (simplify_comparison): Rewrite the condition under
1218         which a non-paradoxical SUBREG of a PLUS can be lifted when
1219         compared against a constant.
1220
1221 2005-01-18  Andi Kleen <ak@muc.de>
1222
1223         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
1224         * c.opt (-Wpointer-sign): Add.
1225         * doc/invoke.texi: (-Wpointer-sign): Add.
1226
1227 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
1228
1229         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
1230         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
1231         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
1232         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
1233         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
1234         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
1235         for TARGET_MIX_SSE_I387.
1236         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
1237         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
1238         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
1239         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
1240         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
1241         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
1242         TARGET_MIX_SSE_I387.
1243         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
1244         from expander.
1245
1246 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
1247
1248         PR target/19424
1249         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
1250         Add movaps alternative for xmm reg->reg move.
1251
1252 2005-01-17  Jeff Law  <law@redhat.com>
1253
1254         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
1255         at the end of the main DOM loop rather than just before DOM exits.
1256
1257 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
1258
1259         PR tree-optimization/19121
1260         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
1261         adding aliases to a name tag, also add them to the pointer's
1262         type tag.
1263         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
1264         sensitive alias info at all.  Only check that the two pointers
1265         have compatible pointed-to sets.
1266         * tree-ssa.c (verify_name_tags): Verify that the alias set of
1267         a pointer's type tag is a superset of the alias set of the
1268         pointer's name tag.
1269
1270 2005-01-17  James E Wilson  <wilson@specifixinc.com>
1271
1272         PR target/19357
1273         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
1274         comment to document why.
1275
1276 2005-01-17  Richard Henderson  <rth@redhat.com>
1277
1278         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
1279         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
1280         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
1281         sse2_vmsminv2df3_finite): New.
1282         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
1283         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
1284         Force op1 into register.
1285
1286 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
1287
1288         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
1289         bubblestrap from always rebuilding build directory.
1290
1291 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
1292
1293         * config/s390/s390.md ("*clc"): Remove incorrect '='.
1294         ("*cmpmem_short"): Likewise.
1295
1296 2005-01-17  Steven Bosscher  <stevenb@suse.de>
1297
1298         * basic-block.h: Document BB_* flags.
1299         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
1300         use an sbitmap instead.
1301         * sched-rgn.c (compute_trg_info): Likewise.
1302
1303 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
1304
1305         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
1306         redundant target_cpu_default and extra_parts lines.  Use the default
1307         "from-abi" ISA.
1308         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
1309         (SUBTARGET_EXTRA_SPECS): Delete.
1310         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
1311         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
1312         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
1313         and "n32" for -mabi=n32.
1314
1315 2005-01-17  Ian Lance Taylor  <ian@airs.com>
1316
1317         PR c/5675
1318         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
1319         fold constant variables into initial values.
1320
1321 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
1322
1323         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
1324
1325         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
1326         through the statements backward.
1327
1328 2005-01-17  Ian Lance Taylor  <ian@airs.com>
1329
1330         PR middle-end/13127:
1331         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
1332         a variable set to the return value of the inlined function.
1333
1334 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
1335
1336         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
1337         when modes are tieable.
1338
1339 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
1340
1341         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
1342         of pthread_create to find out if threads are enabled.
1343         * gthr-posix95.h (__gthread_active_p): Likewise.
1344
1345 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
1346
1347         * common.opt (-fnew-ra): Remove.
1348         * ra*.*: Remove.
1349         * toplev.h (flag_new_regalloc): Remove.
1350         * Makefile.in (ra*.*): Don't mention.
1351         * passes.c (rest_of_handle_new_regalloc): Remove.
1352         (rest_of_handle_combine, rest_of_compilation): Always consider
1353         flag_new_regalloc as false.
1354         * doc/invoke.texi: Don't document -fnew-ra.
1355
1356 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
1357
1358         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
1359         last parameter to reg_scan.
1360         * loop.c (loop_optimize): Likewise.
1361         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
1362         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
1363         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
1364         rest_of_handle_gcse, rest_of_handle_loop_optimize,
1365         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
1366         * regclass.c (reg_scan): Likewise, for the declaration.
1367         * rtl.h (reg_scan): Likewise, for the prototype.
1368
1369 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
1370
1371         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
1372         mark_dfs_back_edges.
1373
1374 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
1375
1376         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
1377         (compute_avail): Uses don't go in tmp_gen.
1378
1379 2005-01-16  Steven Bosscher  <stevenb@suse.de>
1380
1381         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
1382         loop to look for a free slot in a page entry.
1383
1384 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1385
1386         PR target/16304
1387         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
1388         * toplev.c (compile_file): Call process_pending_assemble_output_defs
1389         just before targetm.asm_out.file_end.
1390         * tree.h (process_pending_assemble_output_defs): Declare.
1391         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
1392         New functions.
1393         (assemble_alias): Defer generation of assembly code for defines when
1394         TARGET_DEFERRED_OUTPUT_DEFS is true.
1395         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1396         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
1397         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
1398
1399 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1400
1401         PR target/19336
1402         * pa.c (pa_scalar_mode_supported_p): New function.
1403         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1404         * pa.h (MIN_UNITS_PER_WORD): Add comment.
1405
1406         * pa-protos.h (prefetch_operand): Delete.
1407         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
1408         * pa.c (prefetch_operand): Delete.
1409         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
1410         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
1411         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
1412         and prefetch_nocc_operand.
1413         * pa.md (prefetch): Rework to avoid reload problems handling short
1414         displacements when a cache control completer needs to be provided.
1415         (prefetch_32, prefetch_64): Delete.
1416         (prefetch_cc, prefetch_nocc): New patterns.
1417
1418 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
1419
1420         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
1421
1422 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1423
1424         PR ada/19388
1425         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
1426         exceeds maximum alignment for global common data.
1427         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
1428         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
1429
1430 2004-01-15  Roger Sayle  <roger@eyesopen.com>
1431
1432         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
1433
1434 2004-01-15  Roger Sayle  <roger@eyesopen.com>
1435
1436         * harg-reg-set.h (reg_class_names): Prototype global array.
1437         * regclass.c (reg_class_names): Declare here and initialize to
1438         REG_CLASS_NAMES.
1439         (dump_regclass): Remove local declaration of reg_class_names.
1440         (regclass): Likewise.
1441         * cfg.c (dump_flow_info): Likewise.
1442         * ra-debug.c (reg_class_names): Likewise.
1443         * regrename.c (reg_class_names): Likewise.
1444         * reload.c (reg_class_names): Likewise.
1445         * reload1.c (spill_failure): Likewise.
1446         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
1447
1448 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
1449
1450         * config/s390/s390.md ("reload_outti"): Remove predicate for
1451         output operand.  Abort if operand is not a MEM.
1452         ("reload_outdi", "reload_outdf"): Likewise.
1453
1454 2005-01-15  Marc Espie  <espie@openbsd.org>
1455
1456         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
1457         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
1458         * config/openbsd.h:  Fix C++ includes for native configurations.
1459         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
1460         Add trampoline support.
1461         * config/i386/openbsdelf.h: New.
1462
1463 2005-01-15  Marc Espie  <espie@openbsd.org>
1464
1465         * collect2.c (main): Explicitly parse -dynamic-linker option.
1466
1467 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
1468
1469         PR tree-optimization/19060
1470         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
1471         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
1472         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
1473         and handle extract_range_from_cond returning false.
1474         * fold-const.c (fold): Optimize comparisons with min/max even for
1475         width > HOST_BITS_PER_WIDE_INT.
1476
1477 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
1478
1479         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
1480         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
1481         Remove little endian multilib variants.
1482         Add mips32 multilib variant.
1483
1484 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
1485
1486         * explow.c (copy_all_reg, stabilize): Remove.
1487         * expr.h: Remove the corresponding prototypes.
1488
1489         * rtlanal.c (regs_set_between_p): Remove.
1490         * rtl.h: Remove the corresponding prototype.
1491
1492 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
1493
1494         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
1495         to rs6000_nonimmediate_operand.
1496         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
1497         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
1498         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
1499         rs6000_nonimmediate_operand.
1500         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
1501         rs6000_nonimmediate_operand.
1502
1503 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
1504
1505         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
1506
1507 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1508
1509         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
1510         on e500v2.
1511         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
1512         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
1513
1514         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
1515         (rs6k_nonimmediate_operand): New.
1516         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
1517         correctly.
1518         (legitimate_lo_sum_address_p): Same.
1519         (rs6000_legitimize_address): Same.
1520         (rs6000_legitimize_reload_address): Same.
1521         (rs6000_legitimate_address): Same.
1522         (spe_build_register_parallel): Pass DF and DC modes in a DI
1523         register.
1524
1525         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
1526         to rs6k_nonimmediate_operand.
1527
1528         * config/rs6000/spe.md ("*frob_df_di"): New.
1529         ("*frob_di_df"): New.
1530         ("*frob_di_df_2"): New.
1531         ("*mov_sidf_e500_subreg0"): New.
1532         ("*mov_sidf_e500_subreg4"): New.
1533         ("*movdf_e500_double"): Change predicate to
1534         rs6k_nonimmediate_operand.
1535
1536 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1537
1538         * postreload.c (move2add_note_store): Only call
1539         trunc_int_for_mode on scalar integers.
1540
1541 2005-01-14  Steven Bosscher  <stevenb@suse.de>
1542
1543         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
1544         replace BB_VISITED uses.
1545         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
1546         (propagate_necessity): Check the bitmap instead of BB_VISITED.
1547         (tree_dce_done): Free visited_control_parents.
1548         (perform_tree_ssa_dce): Allocate and clear it.
1549         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
1550         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
1551         instead of BB_VISITED.
1552
1553 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
1554
1555         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
1556         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
1557         Remove unused prototypes.
1558
1559 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1560
1561         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
1562         64-bit register usage.
1563         (spe_func_has_64bit_regs_p): Add FIXME note.
1564
1565 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
1566
1567         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
1568         flag_finite_math_only with flag_unsafe_math_optimizations.
1569
1570 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
1571
1572         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
1573         end-of-stack check.
1574         (__tpf_eh_return): Copy TPF private stack area from the module
1575         boundary stack frame.  Add check for when module addresses are
1576         equal, but no stub address is found.
1577
1578 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
1579
1580         PR target/7525
1581         * arm.h (struct machine_function): Add call_via field.
1582         (thumb_call_via_label): Declare.
1583         * arm.c (thumb_call_via_label): New variable.
1584         (thumb_call_reg_needed): New variable.
1585         (arm_output_function_epilogue): For Thumb code, output any per-function
1586         call-indirect trampolines.
1587         (thumb_call_via_reg): New function.
1588         (arm_file_end): New function.
1589         (TARGET_ASM_FILE_END): Call arm_file_end.
1590         (aof_file_end): Likewise.
1591         * arm-protos.h (thumb_call_via_reg): Declare.
1592         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
1593         thumb_call_via_reg in normal case.
1594
1595 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
1596
1597         PR middle-end/19084
1598         PR rtl-optimization/19348
1599         * recog.c (peephole2_optimize): Do global life update if some peephole
1600         decides it doesn't need at least one of its inputs and that change
1601         influences liveness at the start of the basic block.
1602
1603         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
1604         arguments instead of 1.
1605
1606 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
1607
1608         PR middle-end/18820
1609         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
1610         zero for nested functions needing a static chain or functions
1611         with a non-constant address.
1612
1613 2005-01-13  Roger Sayle  <roger@eyesopen.com>
1614
1615         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
1616         (and (sign_extend X) C) into (zero_extend (and X C)).
1617
1618 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
1619
1620         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
1621
1622 2005-01-13  Richard Henderson  <rth@redhat.com>
1623
1624         PR target/19009
1625         PR target/19250
1626         PR target/19252
1627         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
1628         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
1629         not just TARGET_SSE.
1630         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
1631         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
1632         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
1633         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
1634         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
1635         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
1636         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
1637         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
1638         (movdicc_c_rex64): Rename with '*'.
1639         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
1640         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
1641         (movsfcc_1_387): Rename from movsfcc_1.
1642         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
1643         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
1644         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
1645         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
1646         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
1647         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
1648         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
1649         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
1650         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
1651         sse_movdfcc_const0_4): Remove.
1652         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
1653         recognize min/max early.  Update for changed sse cmove patterns.
1654         (ix86_split_sse_movcc): New.
1655         * config/i386/i386-protos.h: Update.
1656
1657 2005-01-13  Steven Bosscher  <stevenb@suse.de>
1658
1659         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
1660         (fix_stmt_v_may_defs): Likewise.
1661
1662 2005-01-13  Richard Henderson  <rth@redhat.com>
1663
1664         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
1665         for converting the mask.
1666
1667 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
1668
1669         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
1670         definition to 600.
1671
1672 2005-01-13  Richard Henderson  <rth@redhat.com>
1673
1674         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
1675         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
1676         IX86_BUILTIN_MOVDQ2Q): Remove.
1677         (IX86_BUILTIN_VEC_EXT_V4SI): New.
1678         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
1679         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
1680         shuffling.
1681         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
1682         (sse2_pextrw): Fix immediate constraint.
1683         (sse2_loadq, sse2_loadq_rex64): Remove.
1684         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
1685         Use __builtin_ia32_vec_ext_<size>.
1686         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
1687
1688 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
1689
1690         * function.c (assign_parm_setup_block): Look inside original
1691         entry_parm when inspecting PARALLEL.
1692
1693 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
1694             Joel Sherrill  <joel@oarcorp.com>
1695
1696         PR target/19399
1697         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
1698         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
1699         rtems_gxx_recursive_mutex_init.
1700         (__gthread_recursive_mutex_lock): New function.
1701         (__gthread_recursive_mutex_trylock): Likewise.
1702         (__gthread_recursive_mutex_unlock): Likewise.
1703
1704 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
1705
1706         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
1707
1708 2005-01-13  Jan Beulich  <jbeulich@novell.com>
1709
1710         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
1711         (ashrti3_internal): Indicate output is early clobber. Generate result
1712         into output rather than first input. Use move for low word of output
1713         if shift count is exactly 64.
1714         (lshrti3_internal): Likewise.
1715
1716 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
1717
1718         PR target/18329
1719         PR target/18330
1720         * reload1.c (delete_output_reload): Don't delete an output reload
1721         if the pseudo lives longer than a single basic block.  Adjust and
1722         improve wording of comment.
1723
1724 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
1725
1726         PR target/19334
1727         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
1728         of TYPE_SIZE where we mean the number of bytes.
1729
1730 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
1731
1732         * function.c (assign_parm_setup_block): Relax condition on
1733         multi-register optimization.
1734
1735 2005-01-12  Nick Clifton  <nickc@redhat.com>
1736
1737         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
1738         an "in_delay_slot" attribute of "no" to prevent them being used in
1739         delay slots.  This is forbidden because they might generate
1740         exceptions.
1741
1742 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
1743
1744         PR target/19389
1745         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
1746         with r->Y and Y->r.
1747
1748 2005-01-12  Nick Clifton  <nickc@redhat.com>
1749
1750         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
1751         passed on to GAS) but do not define, as GAS no longer supports or
1752         needs the -m2000 option.
1753
1754 2005-01-11  Roger Sayle  <roger@eyesopen.com>
1755
1756         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
1757         type as args of unprototyped builtins aren't automatically promoted.
1758         (fold_builtin_abs): Likewise.
1759
1760 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1761
1762         * Makefile.in: Set a `build-warn' variable.
1763
1764 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
1765
1766         PR tree-optimization/17949
1767         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
1768         (find_interesting_uses_address): Use it.
1769
1770 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
1771
1772         * regrename.c (kill_value): Handle subreg's that won't simplify.
1773
1774 2005-01-11  Richard Henderson  <rth@redhat.com>
1775
1776         PR target/13366
1777         * config/i386/i386.h (enum ix86_builtins): Move ...
1778         * config/i386/i386.c: ... here.
1779         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
1780         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
1781         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
1782         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
1783         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
1784         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
1785         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
1786         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
1787         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
1788         IX86_BUILTIN_LOADDDUP): Remove.
1789         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
1790         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
1791         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
1792         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
1793         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
1794         (ix86_init_builtins): Make static.
1795         (ix86_init_mmx_sse_builtins): Update for changed builtins.
1796         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
1797         if all the modes match.  Otherwise, fake it.
1798         (get_element_number, ix86_expand_vec_init_builtin,
1799         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
1800         (ix86_expand_builtin): Make static.  Update for changed builtins.
1801         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
1802         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
1803         (ix86_expand_vector_init_duplicate): New.
1804         (ix86_expand_vector_init_low_nonzero): New.
1805         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
1806         Split out from ix86_expand_vector_init; handle integer modes.
1807         (ix86_expand_vector_init): Use them.
1808         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
1809         * config/i386/i386-protos.h: Update.
1810         * config/i386/predicates.md (reg_or_0_operand): New.
1811         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
1812         (movv2sf_internal): Likewise.  And a splitter to match them all.
1813         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
1814         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
1815         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
1816         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
1817         (mmx_pinsrw): Fix operand ordering.
1818         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
1819         rather than sse_loadss expander.
1820         (movv2df splitter): Similarly.
1821         (sse_loadss, sse_loadlss): Remove.
1822         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
1823         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
1824         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
1825         (sse3_movddup): Rename with '*'.
1826         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
1827         (sse2_loadsd): Remove.
1828         (vec_dupv2df_sse3): Rename from sse3_loadddup.
1829         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
1830         (sse2_pinsrw): Fix argument ordering.
1831         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
1832         (sse2_stored): Remove 'r' destination.
1833         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
1834         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
1835         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
1836         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
1837         vec_extractv16qi, vec_initv16qi): New.
1838
1839         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
1840         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
1841         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
1842         constructor form.
1843         (_mm_load_pd, _mm_store_pd): Use plain dereference.
1844         (_mm_load_si128, _mm_store_si128): Likewise.
1845         (_mm_load1_pd): Use _mm_set1_pd.
1846         (_mm_load_sd): Use _mm_set_sd.
1847         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
1848         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
1849         (_mm_set_epi64): Use _mm_set_epi64x.
1850         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
1851         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
1852         _mm_setr_epi8): Use _mm_set_foo form.
1853         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
1854         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
1855         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
1856         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
1857         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
1858         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
1859         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
1860         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
1861         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
1862         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
1863         (_mm_movedup_pd): Use _mm_shuffle_pd.
1864         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
1865         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
1866         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
1867         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
1868         Use _mm_setzero_ps.
1869         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
1870         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
1871         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
1872         (_mm_store_ps): Use raw dereference.
1873         (_mm_store1_ps): Use _mm_storeu_ps.
1874         (_mm_storer_ps): Use _mm_store_ps.
1875         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
1876         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
1877
1878 2005-01-11  Stan Shebs  <shebs@apple.com>
1879
1880         * config/rs6000/rs6000.c (machopic_output_stub): Issue
1881         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
1882
1883 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
1884
1885         PR target/18761
1886         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
1887         Skip all DECLs except for FIELD_DECLs.
1888
1889 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
1890
1891         * config/s390/s390.c (override_options): Return error if
1892         -mbackchain, -mpacked-stack and -mhard-float are used together.
1893         (s390_va_start): Remove the backchain && packed-stack special case.
1894         (s390_gimplify_va_arg): Likewise.
1895         * doc/invoke.texi: Remove the ABI incompatibility note.
1896
1897 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
1898
1899         * config/s390/s390.c (struct s390_frame_layout): Remove
1900         save_backchain_p.
1901         (s390_frame_info, s390_emit_prologue): Replace occurrences of
1902         save_backchain_p with TARGET_BACKCHAIN.
1903
1904 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
1905
1906         PR target/18916
1907         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
1908         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
1909         * function.c (locate_and_pad_parm): Set new field.
1910         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
1911         Tweak where_pad test to include "none".  Always set mem align for
1912         stack_parm.
1913         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
1914         not sufficient for type.
1915         (assign_parm_setup_block): If stack_parm is zero on entry, always
1916         make a new stack local.  Block move old stack parm if necessary
1917         to new aligned stack local.
1918         (assign_parm_setup_stack): Use a block move to handle
1919         potentially misaligned entry_parm.
1920         (assign_parms_unsplit_complex): Specify required alignment when
1921         creating stack local.
1922         * calls.c (compute_argument_addresses): Override alignment of stack
1923         arg calculated from its type with the alignment given by
1924         FUNCTION_ARG_BOUNDARY.
1925         (store_one_arg): Likewise.
1926
1927 2005-01-11  Jan Beulich  <jbeulich@novell.com>
1928
1929         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
1930         Change respective itanium_class attribute to ialu.
1931         (shladdp4_internal): New.
1932         * config/ia64/predicates.md (shladd_log2_operand): New.
1933
1934 2005-01-11  Richard Henderson  <rth@redhat.com>
1935
1936         * expr.c (store_constructor): Use rtvec_alloc instead of
1937         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
1938
1939 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
1940
1941         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
1942
1943 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
1944
1945         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
1946         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
1947         (TARGET_RWRELOC): Define.
1948         (ia64_rwreloc_section_type_flags): Delete.
1949         (ia64_section_type_flags): New function.
1950         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
1951         (TARGET_RWRELOC): Define.
1952
1953 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
1954
1955         PR target/18987
1956         * config/ia64/ia64.c (process_set): For alloc insn, only call
1957         process_epilogue is !frame_pointer_needed.
1958
1959 2005-01-10  Roger Sayle  <roger@eyesopen.com>
1960
1961         PR c++/19355
1962         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
1963         unary operator and can't be treated as a binary/comparison operator.
1964
1965 2005-01-10  Richard Henderson  <rth@redhat.com>
1966
1967         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
1968         (ix86_return_in_memory): Likewise.
1969         (function_arg_advance):  Likewise.  Mirror structure in function_arg
1970         for choosing register to advance.
1971
1972 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
1973
1974         * tree-vectorizer.c, tree.def: Fix comment typos.
1975
1976 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
1977
1978         * config/s390/s390.c (struct processor_costs): 4 new fields:
1979         ddbr, ddr, debr, der.
1980         (s390_rtx_costs): More precise handling of divide instructions.
1981
1982 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
1983
1984         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
1985
1986 2005-01-10  Jan Beulich  <jbeulich@novell.com>
1987
1988         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
1989         names resulting from -ffunction-sections/-fdata-sections and linkonce
1990         ones.
1991         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
1992         based on the section name. Rearrange the section name comparison logic
1993         slightly so that each section name is compared against at most once.
1994
1995 2005-01-10  Ben Elliston  <bje@au.ibm.com>
1996
1997         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
1998         targets for which -fPIC reduces limitations on the GOT size.
1999
2000 2005-01-09  Falk Hueffner  <falk@debian.org>
2001
2002         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
2003         X/C1 cmpop C2.
2004
2005 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
2006
2007         PR target/18720
2008         * collect2.c (main): Set aixrtl_flag for -brtl option.
2009         (resolve_lib_name): Search for .so file extension before .a
2010         if aixrtl_flag set.
2011
2012 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
2013
2014         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
2015         (vect_analyze_data_refs_alignment): Add dump prints.
2016
2017 2005-01-09  Ira Rosen  <irar@il.ibm.com>
2018
2019         * tree-vectorizer.c (vect_analyze_offset_expr): Use
2020         expr_invariant_in_loop_p.
2021         Initialize outputs first thing in the function.
2022         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
2023         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
2024         (vect_analyze_pointer_ref_access): Check that the initial condition of
2025         the access function is loop invariant.
2026
2027 2005-01-09  Richard Henderson  <rth@redhat.com>
2028
2029         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
2030         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
2031         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
2032         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
2033         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
2034         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
2035         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
2036         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
2037         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
2038         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
2039         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
2040         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
2041         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
2042         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
2043         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
2044         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
2045         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
2046         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
2047         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
2048         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
2049         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
2050         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
2051         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
2052         mmx_ prefix.
2053         (mmx_clrdi, pavgusb): Remove.
2054         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
2055         with leading sse_ prefix.
2056         * config/i386/sse.md: Receive them.
2057         * config/i386/mmx.md: New file.
2058         (MMXMODE12, MMXMODE24, mmxvecsize): New.
2059         (subrv2sf3): Turn into expander for normal subtraction.
2060         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
2061         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
2062         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
2063         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
2064         commutative; use ix86_binary_operator_ok.
2065         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
2066         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
2067         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
2068         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
2069         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
2070         Macroize from existing patterns; use ix86_binary_operator_ok.
2071         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
2072         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
2073         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
2074         with vec_select+vec_concat.
2075         (mmx_pshufw, mmx_pshufw_1): Likewise.
2076         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
2077         (mmx_uavgv4hi3): Model correctly.
2078         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
2079         _mm_xor_si64): Remove casts.
2080
2081 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
2082
2083         PR tree-optimization/19224
2084         * tree-scalar-evolution.c (get_instantiated_value,
2085         set_instantiated_value): New functions.
2086         (instantiate_parameters_1): Cache the results.
2087         (instantiate_parameters, resolve_mixers): Initialize and free
2088         the cache.
2089
2090 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
2091
2092         * config/i386/i386.md (addhi_4): Correct reference in comment.
2093         (addqi_4): Same.
2094
2095 2005-01-08  Richard Henderson  <rth@redhat.com>
2096
2097         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
2098         (_mm_cvtsi128_si64x): Likewise.
2099         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
2100         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
2101         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
2102         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
2103         * config/i386/i386-protos.h: Update.
2104         * config/i386/i386.c (print_operand): Add 'H'.
2105         (ix86_fixup_binary_operands): Split out from ...
2106         (ix86_expand_binary_operator): ... here.
2107         (ix86_fixup_binary_operands_no_copy): New.
2108         (ix86_expand_fp_absneg_operator): Handle vector mode results.
2109         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
2110         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
2111         (safe_vector_operand): Use CONST0_RTX.
2112         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
2113         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
2114         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
2115         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
2116         special cases.
2117         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
2118         (IX86_BUILTIN_CMPNGESS): New.
2119         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
2120         (attr type): Add sselog1.
2121         (attr unit, attr memory): Handle it.
2122         (movti, movti_internal, movti_rex64): Move near other integer moves.
2123         (movtf, movtf_internal): Move near other fp moves.
2124         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
2125         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
2126         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
2127         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
2128         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
2129         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
2130         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
2131         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
2132         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
2133         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
2134         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
2135         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
2136         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
2137         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
2138         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
2139         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
2140         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
2141         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
2142         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
2143         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
2144         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
2145         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
2146         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
2147         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
2148         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
2149         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
2150         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
2151         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
2152         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
2153         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
2154         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
2155         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
2156         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
2157         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
2158         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
2159         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
2160         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
2161         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
2162         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
2163         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
2164         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
2165         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
2166         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
2167         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
2168         same time.
2169         (SSEPUSH, push<SSEPUSH>): Remove.
2170         (MMXPUSH, push<MMXPUSH>): Remove.
2171         (sse_movaps, sse_movaps_1, sse_movups): Remove.
2172         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
2173         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
2174         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
2175         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
2176         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
2177         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
2178         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
2179         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
2180         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
2181         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
2182         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
2183         (ppro_sse_log_V4SF): Handle sselog1.
2184         * config/i386/predicates.md (const_0_to_1_operand): New.
2185         (const_0_to_255_mul_8_operand): New.
2186         (const_1_to_31_operand): Rename from const_int_1_31_operand.
2187         (const_2_to_3_operand, const_4_to_7_operand): New.
2188         * config/i386/sse.md: New file.
2189         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
2190         (sse_movups): Rename from sse_movups_1.
2191         (sse_loadlss): Rename from sse_loadss_1.
2192         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
2193         from the name.
2194         (negv4sf2): Use ix86_expand_fp_absneg_operator.
2195         (absv4sf2, negv2df, absv2df): New.
2196         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
2197         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
2198         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
2199         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
2200         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
2201         (sse3_addsubv4sf3): Model correctly.
2202         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
2203         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
2204         (sse_movhlps): Model with vec_select+vec_concat.
2205         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
2206         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
2207         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
2208         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
2209         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
2210         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
2211         sse2_pshufhw_1): Likewise.
2212         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
2213         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
2214         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
2215         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
2216         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
2217         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
2218         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
2219         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
2220         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
2221         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
2222         sminv8hi3): Mark commutative
2223         operands.  Use ix86_binary_operator_ok.
2224         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
2225         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
2226         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
2227         sse2_punpcklqdq): Allow operand2 in memory.
2228         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
2229         sse2_movsd): Add memory alternatives.
2230         (sse_storelps): Turn expander into an insn; split after reload.
2231         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
2232         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
2233
2234 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2235
2236         * configure.ac (DWARF-2 debug_line): Use objdump.
2237         * configure: Regenerate.
2238
2239 2005-01-08  Jeff Law  <law@redhat.com>
2240             Diego Novillo  <dnovillo@redhat.com>
2241
2242         PR tree-optimization/18241
2243         * tree-nrv.c (tree_nrv): Ignore volatile return values.
2244         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
2245         statements with volatile operands.
2246         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
2247         operands after marking a statement with has_volatile_ops.
2248
2249 2005-01-08  Roger Sayle  <roger@eyesopen.com>
2250
2251         * tree.c (int_fits_type_p): Always honor integer constant
2252         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
2253
2254 2005-01-08  Roger Sayle  <roger@eyesopen.com>
2255
2256         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
2257         the latent bug in rtl_delete_block has been resolved.
2258
2259 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
2260
2261         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
2262         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
2263
2264 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
2265
2266         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
2267         library as @multilib_dir@/$(SHLIB_SONAME).
2268
2269 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2270
2271         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
2272         * configure: Regenerate.
2273
2274 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
2275
2276         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
2277         TYPE_MODE.
2278
2279 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
2280
2281         PR target/13674
2282         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2283         Convert non-word aligned offset address using ld/std into
2284         indirect address.
2285
2286 2005-01-07  Richard Henderson  <rth@redhat.com>
2287
2288         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
2289
2290 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
2291
2292         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
2293
2294 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
2295
2296         PR tree-optimization/19283
2297         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
2298         is not shorter than the original type.
2299
2300         PR rtl-optimization/19012
2301         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
2302
2303         PR rtl-optimization/18861
2304         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
2305         (FULL_STATE): Define.
2306         (mark_tablejump_edge): New function.
2307         (purge_dead_tablejump_edges): New function.
2308         (find_bb_boundaries): Use it.
2309
2310         PR tree-optimization/18828
2311         * builtins.c (expand_builtin_next_arg): Remove argument and all
2312         the argument checking.
2313         (expand_builtin): Adjust caller.
2314         (expand_builtin_va_start): Likewise.  Remove error for too many
2315         arguments.
2316         (fold_builtin_next_arg): Issue error for too many arguments.
2317         After checking arguments, replace them with magic arguments that
2318         prevent further checking of the args.
2319
2320 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2321
2322         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
2323
2324 2005-01-06  Roger Sayle  <roger@eyesopen.com>
2325
2326         PR target/6077
2327         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
2328         and %{.S:...} (and their negative variants) to test whether the
2329         input file is assembler or pre-processed-assembler independent of
2330         the actual filename extension.
2331
2332 2005-01-06  Roger Sayle  <roger@eyesopen.com>
2333
2334         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
2335         of sign or zero extended values.
2336
2337 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
2338
2339         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
2340         for IBM long double format correctly.
2341
2342 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
2343
2344         Fix PR tree-optimization/18792
2345
2346         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
2347         to first_loop_depth, and use loop depth instead of loop number.
2348         (build_classic_dir_vector): Ditto.
2349         (compute_data_dependences_for_loop): Use depth, not loop number.
2350         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
2351         number. Pass in loops, instead of loop numbers.
2352         (gather_interchange_stats): Ditto.
2353         (linear_transform_loops): Ditto.
2354
2355 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
2356
2357         PR rtl-opt/13299
2358         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
2359         biv_fits_mode_p, extension_within_bounds_p): New functions.
2360         (check_ext_dependent_givs): Use them.
2361
2362 2005-01-06  Roger Sayle  <roger@eyesopen.com>
2363
2364         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
2365         more than one barrier, in which case we should delete them all.
2366
2367 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
2368
2369         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
2370
2371 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
2372
2373         Fix PR middle-end/19286
2374         Fix PR debug/19267
2375         * dwarf2out.c (gen_subprogram_die): If we've already tried to
2376         output this subprogram, simply ignore this attempt to do it again.
2377         (add_abstract_origin_attribute): Don't abort trying to add the abstract
2378         origin attribute if it's not possible.
2379         (gen_block_die): Don't ignore subblocks of "unused" blocks.
2380         (decls_for_scope): Ditto.
2381         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
2382         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
2383
2384 2005-01-05  Richard Henderson  <rth@redhat.com>
2385
2386         PR target/11327
2387         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
2388         (bdesc_2arg): Use it.
2389         (ix86_expand_binop_builtin): Force operands into registers
2390         when optimizing.
2391         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
2392         ix86_expand_sse_compare, ix86_expand_sse_comi,
2393         ix86_expand_builtin): Likewise.
2394
2395 2005-01-05  Richard Henderson  <rth@redhat.com>
2396
2397         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
2398         and VEC_SELECT.
2399         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
2400         (mulv4hi3): Set itanium_class mmmul.
2401         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
2402         (fpack): Rename from fpack_sfsf.
2403
2404 2005-01-05  Richard Henderson  <rth@redhat.com>
2405
2406         PR rtl-opt/10692
2407         * reload1.c (do_input_reload): Restrict the optimization deleteing
2408         a previous output reload to RELOAD_FOR_INPUT.
2409
2410 2005-01-05  Steven Bosscher  <stevenb@suse.de>
2411
2412         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
2413         comment that we fall through after case.
2414         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
2415         (distribute_links): Likewise.
2416         * cse.c (cse_insn): Likewise.
2417         * cselib.c (cselib_invalidate_mem): Likewise.
2418         * df.c: Update comments at the top of the file.
2419         (read_modify_subreg_p): Update comments here too.
2420         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
2421         * flow.c (mark_set_1): Likewise.
2422         (mark_used_regs): Likewise.
2423         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2424         (canon_list_insert): Likewise.
2425         (mark_set): Likewise.
2426         (try_replace_reg): Likewise.
2427         (store_killed_in_insn): Likewise.
2428         * loop.c (count_one_set): Likewise.
2429         (basic_induction_var): Likewise.
2430         * postreload-gcse.c (find_mem_conflicts): Likewise.
2431         * postreload.c (reload_combine_note_store): Likewise.
2432         (move2add_note_store): Likewise.
2433         * reload.c (find_equiv_reg): Likewise.
2434         (mark_referenced_resources): Likewise.
2435         * rtlanal.c (set_noop_p): Likewise.
2436         (note_stores): Likewise.
2437         (note_uses): Likewise.
2438         * sched-deps.c (sched_analyze_1): Likewise.
2439         * sched-rgn.c (check_live_1): Likewise.
2440         (update_live_1): Likewise.
2441         * config/i860/i860.c: Likewise.
2442
2443         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
2444         an lvalue.
2445         (ZERO_EXTRACT): Mention that this one can be an lvalue.
2446
2447         * doc/rtl.texi: Update documentation for bit-fields and SET.
2448
2449 2005-01-05  Roger Sayle  <roger@eyesopen.com>
2450
2451         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
2452
2453 2005-01-05  Jan Hubicka  <jh@suse.cz>
2454             Richard Henderson  <rth@redhat.com>
2455
2456         PR target/18910
2457         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
2458         with an offset.
2459
2460 2005-01-05  Richard Henderson  <rth@redhat.com>
2461
2462         PR target/12902
2463         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
2464         (sse_shufps): Change operand 3 to const_int_operand.
2465         (sse2_storelps): Fix typo in template.
2466         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
2467         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
2468         (ix86_expand_builtin): Likewise.
2469
2470 2005-01-05  Julian Brown  <julian@codesourcery.com>
2471
2472         * config/arm/arm.c (arm_return_in_memory): Treat complex types
2473         as aggregates for AAPCS ABIs.
2474
2475 2005-01-05  Stan Shebs  <shebs@apple.com>
2476
2477         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
2478         Mach-O getters if ppc64.
2479         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
2480         size argument.
2481         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2482         signed four-byte field for global code case.
2483         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
2484
2485 2005-01-05  Roger Sayle  <roger@eyesopen.com>
2486
2487         PR middle-end/19100
2488         * c-common.c: Include real.h.
2489         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
2490         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
2491         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
2492         * Makefile.in (c-common.o): Update dependencies.
2493
2494 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
2495
2496         * c-parse.in (asm_string): Add trailing semicolon.
2497
2498 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
2499
2500         * c-parse.in (asm_string): New.  Don't allow wide strings in
2501         'asm'.
2502         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
2503         asm_string instead of STRING.
2504
2505 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
2506
2507         * c-typeck.c (constructor_no_implicit): Remove.
2508         (set_designator, process_init_element): Don't check
2509         constructor_no_implicit.
2510
2511 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
2512             Kaz Kojima  <kkojima@gcc.gnu.org>
2513
2514         PR target/16482
2515         * lcm.c (create_pre_exit): New.
2516         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
2517         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
2518
2519 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
2520
2521         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
2522         -msoft-float in target_float_switch.
2523         * arm.c (arm_override_options): Fix processing of target_float_switch.
2524
2525 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
2526
2527         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
2528         preferencing.
2529
2530 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
2531
2532         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
2533         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
2534
2535 2005-01-04  Roger Sayle  <roger@eyesopen.com>
2536
2537         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
2538         if deleting the then-block allows the test-block to fallthru to the
2539         else-block.
2540
2541 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
2542
2543         PR c/19152
2544         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
2545         after the full declaration if the are in two different TUs.
2546
2547 2005-01-04  Richard Henderson  <rth@redhat.com>
2548
2549         PR tree-opt/19158
2550         * tree-sra.c (generate_one_element_init): Just
2551         call gimplify_and_add.
2552         (generate_element_init): Record the
2553         new referenced variables and mark them for renaming
2554         and split out to ...
2555         (generate_element_init_1): This.
2556         (scalarize_init): Don't call push_gimplify_context/
2557         pop_gimplify_context.
2558
2559 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
2560
2561         * toplev.c (get_src_pwd): Handle failure of getpwd().
2562
2563 2005-01-04  Roger Sayle  <roger@eyesopen.com>
2564
2565         * fold-const.c (fold_single_bit_test): Delete unreachable handling
2566         of TRUTH_NOT_EXPR.
2567         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
2568         all the cases handled by it are inverted by invert_truthvalue.
2569
2570 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2571
2572         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
2573         (save_register_windowsi): Likewise.
2574
2575 2005-01-04  Richard Henderson  <rth@redhat.com>
2576
2577         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
2578
2579 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
2580
2581         PR middle-end/17767
2582         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
2583         any simplifications of vector mode comparison operators.
2584         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
2585
2586 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
2587             Devang Patel  <dpatel@apple.com>
2588
2589         PR tree-optimization/18308
2590         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
2591         the operands before creating a new expression.
2592         * dojump.c (do_jump): Make drop_through_label available
2593         for all cases.  Add expansion of COND_EXPR.
2594
2595 2005-01-04  Ira Rosen  <irar@il.ibm.com>
2596
2597         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
2598         INTEGER_CST instead of TREE_CONSTANT.
2599         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
2600         instead of TREE_CONSTANT.
2601         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
2602         instead of TREE_CONSTANT.
2603
2604 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2605
2606         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
2607
2608 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
2609
2610         PR target/19240
2611         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
2612         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
2613
2614 2005-01-03  Richard Henderson  <rth@redhat.com>
2615
2616         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
2617         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
2618         fold_convert_const_real_from_real): Split out from ...
2619         (fold_convert_const): ... here.
2620
2621 2005-01-03  Richard Henderson  <rth@redhat.com>
2622
2623         PR target/19235
2624         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
2625         (mov<MMXMODEI>_internal): Likewise.
2626         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
2627         Add V2SF case; use it for SSE1; don't use TI.
2628         (movdf_integer): Likewise.
2629         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
2630
2631 2005-01-03  Ira Rosen  <irar@il.ibm.com>
2632
2633         * tree-vectorizer.c (vect_strip_conversions): New function.
2634         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
2635         check for binary class.
2636
2637 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
2638
2639         Fix PR debug/17924
2640         Fix PR debug/19191
2641         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
2642         is a decl.
2643         * gimple-low.c (mark_blocks_with_used_vars): New function.
2644         (mark_blocks_with_used_subblocks): Ditto.
2645         (mark_used_blocks): Ditto.
2646         (pass_mark_used_blocks): New pass.
2647         * tree-inline.c: Include debug.h.
2648         (expand_call_inline): Call outlining_inline_function here.
2649         * tree-optimize.c (init_tree_optimization_passes): Add
2650         pass_mark_used_blocks.
2651         * tree-pass.h (pass_mark_used_blocks): New.
2652         * Makefile.in (tree-inline.o): Add debug.h dependency.
2653
2654 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
2655
2656         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
2657         VAR_DECLs to have weak_import attribute.
2658
2659         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
2660         'struct ucontext'.
2661
2662 2004-01-03  Steven Bosscher  <stevenb@suse.de>
2663
2664         * passes.c (rest_of_compilation): Don't run regmove if only
2665         flag_expensive_optimizations, require flag_regmove instead.
2666
2667 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2668
2669         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
2670         register "sparc".
2671         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
2672         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2673         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
2674         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2675
2676 2005-01-03  Richard Henderson  <rth@redhat.com>
2677
2678         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
2679         (ia64_const_ok_for_letter_p): New.
2680         (ia64_const_double_ok_for_letter_p): New.
2681         (ia64_extra_constraint): New.
2682         (ia64_expand_vecint_compare): New.
2683         (ia64_expand_vcondu_v2si): New.
2684         (ia64_expand_vecint_cmov): New.
2685         (ia64_expand_vecint_minmax): New.
2686         (ia64_print_operand): Add 'v'.
2687         (ia64_preferred_reload_class): New.
2688         (ia64_vector_mode_supported_p): New.
2689         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
2690         (PREFERRED_RELOAD_CLASS): Move to function.
2691         (CONST_OK_FOR_LETTER_P): Move to function.
2692         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
2693         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
2694         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
2695         (EXTRA_CONSTRAINT): Move to function.
2696         * config/ia64/ia64.md: Include vect.md.
2697         (itanium_class): Add mmalua.
2698         (type): Handle it.
2699         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
2700         (1b_mmalua): New.
2701         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
2702         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
2703         CONST0_RTX.
2704         (const_int_2bit_operand): New.
2705         (fr_reg_or_0_operand): New.
2706         * config/ia64/ia64-modes.def: Add vector modes.
2707         * config/ia64/ia64-protos.h: Update.
2708         * config/ia64/vect.md: New file.
2709
2710 2005-01-03  Richard Henderson  <rth@redhat.com>
2711
2712         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
2713
2714 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
2715
2716         PR target/19236
2717         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
2718         to SFmode.
2719         (log1pdf2): Change mode of operands[0,1] to DFmode.
2720
2721 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2722
2723         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
2724         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
2725         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
2726         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
2727         SPARC_RELAXED_ORDERING.
2728
2729 2005-01-03  Richard Henderson  <rth@redhat.com>
2730             Uros Bizjak  <uros@kss-loka.si>
2731
2732         PR target/14631
2733         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
2734         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
2735         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
2736         handling.
2737         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
2738         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
2739         const_pow2_1_to_128_operand): New predicates.
2740
2741 2005-01-02  Greg McGary  <greg@mcgary.org>
2742
2743         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
2744         anonymous decls.
2745         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
2746         object.  [ptr_type]: Remove unused variable.
2747         Remember nearest addressable array-element or record-component
2748         when checking bitfield components.  Tolerate empty BIND_EXPR.
2749
2750 2005-01-01  Richard Henderson  <rth@redhat.com>
2751
2752         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
2753         that don't narrow the value.  Fail for other conversions.
2754
2755 2005-01-01  Richard Henderson  <rth@redhat.com>
2756
2757         PR c/19031
2758         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
2759         * c-lang.c (finish_file): Don't do it here.
2760         * objc/objc-act.c (objc_finish_file): Likewise.
2761
2762         * cgraph.c (decl_assembler_name_equal): New.
2763         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
2764         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
2765         * cgraph.h (struct cgraph_varpool_node): Add next.
2766         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
2767         * varasm.c (assemble_alias): Mark the target as needed.
2768
2769 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
2770
2771         PR middle-end/19221
2772         * function.c (get_arg_pointer_save_area): Use entry_of_function
2773         instead of get_insns.
2774
2775 2005-01-01  Roger Sayle  <roger@eyesopen.com>
2776             Andrew Pinski  <pinskia@physics.uc.edu>
2777             James E. Wilson  <wilson@specifixinc.com>
2778
2779         PR rtl-optimization/12092
2780         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
2781         is zero.
2782
2783 2005-01-01  Roger Sayle  <roger@eyesopen.com>
2784             Olivier Hainque  <hainque@act-europe.fr>
2785
2786         * tree.c (int_fits_type_p): A narrower type always fits in a
2787         wider one, except for negative values into unsigned types.
2788
2789 2005-01-01  Roger Sayle  <roger@eyesopen.com>
2790
2791         * tree.c (int_fits_type_p): Compare the result of force_fit_type
2792         with the original constant rather than require TREE_OVERFLOW.
2793
2794 2005-01-01  Steven Bosscher  <stevenb@suse.de>
2795
2796         PR middle-end/17544
2797         * c-decl.c (finish_function): If compiling C99, annotate the
2798         compiler generated return with the current file name and line 0.
2799         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
2800         the source line is greater than 0.
2801         (remove_bb): Likewise.
2802
2803 See ChangeLog.12 for earlier changes.