gcc/ChangeLog

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