gcc/ChangeLog

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