gcc/ChangeLog

   1 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
   2
   3         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
   4
   5 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
   6
   7         Fix PR middle-end/19286
   8         Fix PR debug/19267
   9         * dwarf2out.c (gen_subprogram_die): If we've already tried to
  10         output this subprogram, simply ignore this attempt to do it again.
  11         (add_abstract_origin_attribute): Don't abort trying to add the abstract
  12         origin attribute if it's not possible.
  13         (gen_block_die): Don't ignore subblocks of "unused" blocks.
  14         (decls_for_scope): Ditto.
  15         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
  16         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
  17
  18 2005-01-05  Richard Henderson  <rth@redhat.com>
  19
  20         PR target/11327
  21         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
  22         (bdesc_2arg): Use it.
  23         (ix86_expand_binop_builtin): Force operands into registers
  24         when optimizing.
  25         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
  26         ix86_expand_sse_compare, ix86_expand_sse_comi,
  27         ix86_expand_builtin): Likewise.
  28
  29 2005-01-05  Richard Henderson  <rth@redhat.com>
  30
  31         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
  32         and VEC_SELECT.
  33         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
  34         (mulv4hi3): Set itanium_class mmmul.
  35         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
  36         (fpack): Rename from fpack_sfsf.
  37
  38 2005-01-05  Richard Henderson  <rth@redhat.com>
  39
  40         PR rtl-opt/10692
  41         * reload1.c (do_input_reload): Restrict the optimization deleteing
  42         a previous output reload to RELOAD_FOR_INPUT.
  43
  44 2005-01-05  Steven Bosscher  <stevenb@suse.de>
  45
  46         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
  47         comment that we fall through after case.
  48         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
  49         (distribute_links): Likewise.
  50         * cse.c (cse_insn): Likewise.
  51         * cselib.c (cselib_invalidate_mem): Likewise.
  52         * df.c: Update comments at the top of the file.
  53         (read_modify_subreg_p): Update comments here too.
  54         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
  55         * flow.c (mark_set_1): Likewise.
  56         (mark_used_regs): Likewise.
  57         * gcse.c (mems_conflict_for_gcse_p): Likewise.
  58         (canon_list_insert): Likewise.
  59         (mark_set): Likewise.
  60         (try_replace_reg): Likewise.
  61         (store_killed_in_insn): Likewise.
  62         * loop.c (count_one_set): Likewise.
  63         (basic_induction_var): Likewise.
  64         * postreload-gcse.c (find_mem_conflicts): Likewise.
  65         * postreload.c (reload_combine_note_store): Likewise.
  66         (move2add_note_store): Likewise.
  67         * reload.c (find_equiv_reg): Likewise.
  68         (mark_referenced_resources): Likewise.
  69         * rtlanal.c (set_noop_p): Likewise.
  70         (note_stores): Likewise.
  71         (note_uses): Likewise.
  72         * sched-deps.c (sched_analyze_1): Likewise.
  73         * sched-rgn.c (check_live_1): Likewise.
  74         (update_live_1): Likewise.
  75         * config/i860/i860.c: Likewise.
  76
  77         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
  78         an lvalue.
  79         (ZERO_EXTRACT): Mention that this one can be an lvalue.
  80
  81         * doc/rtl.texi: Update documentation for bit-fields and SET.
  82
  83 2005-01-05  Roger Sayle  <roger@eyesopen.com>
  84
  85         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
  86
  87 2005-01-05  Jan Hubicka  <jh@suse.cz>
  88             Richard Henderson  <rth@redhat.com>
  89
  90         PR target/18910
  91         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
  92         with an offset.
  93
  94 2005-01-05  Richard Henderson  <rth@redhat.com>
  95
  96         PR target/12902
  97         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
  98         (sse_shufps): Change operand 3 to const_int_operand.
  99         (sse2_storelps): Fix typo in template.
 100         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
 101         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
 102         (ix86_expand_builtin): Likewise.
 103
 104 2005-01-05  Julian Brown  <julian@codesourcery.com>
 105
 106         * config/arm/arm.c (arm_return_in_memory): Treat complex types
 107         as aggregates for AAPCS ABIs.
 108
 109 2005-01-05  Stan Shebs  <shebs@apple.com>
 110
 111         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
 112         Mach-O getters if ppc64.
 113         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
 114         size argument.
 115         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
 116         signed four-byte field for global code case.
 117         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
 118
 119 2005-01-05  Roger Sayle  <roger@eyesopen.com>
 120
 121         PR middle-end/19100
 122         * c-common.c: Include real.h.
 123         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
 124         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
 125         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
 126         * Makefile.in (c-common.o): Update dependencies.
 127
 128 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
 129
 130         * c-parse.in (asm_string): Add trailing semicolon.
 131
 132 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
 133
 134         * c-parse.in (asm_string): New.  Don't allow wide strings in
 135         'asm'.
 136         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
 137         asm_string instead of STRING.
 138
 139 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
 140
 141         * c-typeck.c (constructor_no_implicit): Remove.
 142         (set_designator, process_init_element): Don't check
 143         constructor_no_implicit.
 144
 145 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
 146             Kaz Kojima  <kkojima@gcc.gnu.org>
 147
 148         PR target/16482
 149         * lcm.c (create_pre_exit): New.
 150         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
 151         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
 152
 153 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
 154
 155         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
 156         -msoft-float in target_float_switch.
 157         * arm.c (arm_override_options): Fix processing of target_float_switch.
 158
 159 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
 160
 161         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
 162         preferencing.
 163
 164 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
 165
 166         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
 167         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
 168
 169 2005-01-04  Roger Sayle  <roger@eyesopen.com>
 170
 171         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
 172         if deleting the then-block allows the test-block to fallthru to the
 173         else-block.
 174
 175 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
 176
 177         PR c/19152
 178         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
 179         after the full declaration if the are in two different TUs.
 180
 181 2005-01-04  Richard Henderson  <rth@redhat.com>
 182
 183         PR tree-opt/19158
 184         * tree-sra.c (generate_one_element_init): Just
 185         call gimplify_and_add.
 186         (generate_element_init): Record the
 187         new referenced variables and mark them for renaming
 188         and split out to ...
 189         (generate_element_init_1): This.
 190         (scalarize_init): Don't call push_gimplify_context/
 191         pop_gimplify_context.
 192
 193 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
 194
 195         * toplev.c (get_src_pwd): Handle failure of getpwd().
 196
 197 2005-01-04  Roger Sayle  <roger@eyesopen.com>
 198
 199         * fold-const.c (fold_single_bit_test): Delete unreachable handling
 200         of TRUTH_NOT_EXPR.
 201         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
 202         all the cases handled by it are inverted by invert_truthvalue.
 203
 204 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
 205
 206         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
 207         (save_register_windowsi): Likewise.
 208
 209 2005-01-04  Richard Henderson  <rth@redhat.com>
 210
 211         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
 212
 213 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
 214
 215         PR middle-end/17767
 216         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
 217         any simplifications of vector mode comparison operators.
 218         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
 219
 220 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
 221             Devang Patel  <dpatel@apple.com>
 222
 223         PR tree-optimization/18308
 224         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
 225         the operands before creating a new expression.
 226         * dojump.c (do_jump): Make drop_through_label available
 227         for all cases.  Add expansion of COND_EXPR.
 228
 229 2005-01-04  Ira Rosen  <irar@il.ibm.com>
 230
 231         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
 232         INTEGER_CST instead of TREE_CONSTANT.
 233         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
 234         instead of TREE_CONSTANT.
 235         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
 236         instead of TREE_CONSTANT.
 237
 238 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
 239
 240         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
 241
 242 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
 243
 244         PR target/19240
 245         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
 246         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
 247
 248 2005-01-03  Richard Henderson  <rth@redhat.com>
 249
 250         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
 251         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
 252         fold_convert_const_real_from_real): Split out from ...
 253         (fold_convert_const): ... here.
 254
 255 2005-01-03  Richard Henderson  <rth@redhat.com>
 256
 257         PR target/19235
 258         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
 259         (mov<MMXMODEI>_internal): Likewise.
 260         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
 261         Add V2SF case; use it for SSE1; don't use TI.
 262         (movdf_integer): Likewise.
 263         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
 264
 265 2005-01-03  Ira Rosen  <irar@il.ibm.com>
 266
 267         * tree-vectorizer.c (vect_strip_conversions): New function.
 268         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
 269         check for binary class.
 270
 271 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
 272
 273         Fix PR debug/17924
 274         Fix PR debug/19191
 275         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
 276         is a decl.
 277         * gimple-low.c (mark_blocks_with_used_vars): New function.
 278         (mark_blocks_with_used_subblocks): Ditto.
 279         (mark_used_blocks): Ditto.
 280         (pass_mark_used_blocks): New pass.
 281         * tree-inline.c: Include debug.h.
 282         (expand_call_inline): Call outlining_inline_function here.
 283         * tree-optimize.c (init_tree_optimization_passes): Add
 284         pass_mark_used_blocks.
 285         * tree-pass.h (pass_mark_used_blocks): New.
 286         * Makefile.in (tree-inline.o): Add debug.h dependency.
 287
 288 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
 289
 290         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
 291         VAR_DECLs to have weak_import attribute.
 292
 293         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
 294         'struct ucontext'.
 295
 296 2004-01-03  Steven Bosscher  <stevenb@suse.de>
 297
 298         * passes.c (rest_of_compilation): Don't run regmove if only
 299         flag_expensive_optimizations, require flag_regmove instead.
 300
 301 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
 302
 303         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
 304         register "sparc".
 305         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
 306         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 307         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
 308         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 309
 310 2005-01-03  Richard Henderson  <rth@redhat.com>
 311
 312         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
 313         (ia64_const_ok_for_letter_p): New.
 314         (ia64_const_double_ok_for_letter_p): New.
 315         (ia64_extra_constraint): New.
 316         (ia64_expand_vecint_compare): New.
 317         (ia64_expand_vcondu_v2si): New.
 318         (ia64_expand_vecint_cmov): New.
 319         (ia64_expand_vecint_minmax): New.
 320         (ia64_print_operand): Add 'v'.
 321         (ia64_preferred_reload_class): New.
 322         (ia64_vector_mode_supported_p): New.
 323         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
 324         (PREFERRED_RELOAD_CLASS): Move to function.
 325         (CONST_OK_FOR_LETTER_P): Move to function.
 326         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
 327         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
 328         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
 329         (EXTRA_CONSTRAINT): Move to function.
 330         * config/ia64/ia64.md: Include vect.md.
 331         (itanium_class): Add mmalua.
 332         (type): Handle it.
 333         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
 334         (1b_mmalua): New.
 335         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
 336         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
 337         CONST0_RTX.
 338         (const_int_2bit_operand): New.
 339         (fr_reg_or_0_operand): New.
 340         * config/ia64/ia64-modes.def: Add vector modes.
 341         * config/ia64/ia64-protos.h: Update.
 342         * config/ia64/vect.md: New file.
 343
 344 2005-01-03  Richard Henderson  <rth@redhat.com>
 345
 346         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
 347
 348 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
 349
 350         PR target/19236
 351         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
 352         to SFmode.
 353         (log1pdf2): Change mode of operands[0,1] to DFmode.
 354
 355 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
 356
 357         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
 358         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
 359         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
 360         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
 361         SPARC_RELAXED_ORDERING.
 362
 363 2005-01-03  Richard Henderson  <rth@redhat.com>
 364             Uros Bizjak  <uros@kss-loka.si>
 365
 366         PR target/14631
 367         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
 368         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
 369         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
 370         handling.
 371         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
 372         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
 373         const_pow2_1_to_128_operand): New predicates.
 374
 375 2005-01-02  Greg McGary  <greg@mcgary.org>
 376
 377         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
 378         anonymous decls.
 379         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
 380         object.  [ptr_type]: Remove unused variable.
 381         Remember nearest addressable array-element or record-component
 382         when checking bitfield components.  Tolerate empty BIND_EXPR.
 383
 384 2005-01-01  Richard Henderson  <rth@redhat.com>
 385
 386         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
 387         that don't narrow the value.  Fail for other conversions.
 388
 389 2005-01-01  Richard Henderson  <rth@redhat.com>
 390
 391         PR c/19031
 392         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
 393         * c-lang.c (finish_file): Don't do it here.
 394         * objc/objc-act.c (objc_finish_file): Likewise.
 395
 396         * cgraph.c (decl_assembler_name_equal): New.
 397         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
 398         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
 399         * cgraph.h (struct cgraph_varpool_node): Add next.
 400         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
 401         * varasm.c (assemble_alias): Mark the target as needed.
 402
 403 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
 404
 405         PR middle-end/19221
 406         * function.c (get_arg_pointer_save_area): Use entry_of_function
 407         instead of get_insns.
 408
 409 2005-01-01  Roger Sayle  <roger@eyesopen.com>
 410             Andrew Pinski  <pinskia@physics.uc.edu>
 411             James E. Wilson  <wilson@specifixinc.com>
 412
 413         PR rtl-optimization/12092
 414         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
 415         is zero.
 416
 417 2005-01-01  Roger Sayle  <roger@eyesopen.com>
 418             Olivier Hainque  <hainque@act-europe.fr>
 419
 420         * tree.c (int_fits_type_p): A narrower type always fits in a
 421         wider one, except for negative values into unsigned types.
 422
 423 2005-01-01  Roger Sayle  <roger@eyesopen.com>
 424
 425         * tree.c (int_fits_type_p): Compare the result of force_fit_type
 426         with the original constant rather than require TREE_OVERFLOW.
 427
 428 2005-01-01  Steven Bosscher  <stevenb@suse.de>
 429
 430         PR middle-end/17544
 431         * c-decl.c (finish_function): If compiling C99, annotate the
 432         compiler generated return with the current file name and line 0.
 433         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
 434         the source line is greater than 0.
 435         (remove_bb): Likewise.
 436
 437 See ChangeLog.12 for earlier changes.