gcc/ChangeLog

   1 2005-01-06  Roger Sayle  <roger@eyesopen.com>
   2
   3         PR target/6077
   4         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
   5         and %{.S:...} (and their negative variants) to test whether the
   6         input file is assembler or pre-processed-assembler independent of
   7         the actual filename extension.
   8
   9 2005-01-06  Roger Sayle  <roger@eyesopen.com>
  10
  11         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
  12         of sign or zero extended values.
  13
  14 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
  15
  16         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
  17         for IBM long double format correctly.
  18
  19 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
  20
  21         Fix PR tree-optimization/18792
  22
  23         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
  24         to first_loop_depth, and use loop depth instead of loop number.
  25         (build_classic_dir_vector): Ditto.
  26         (compute_data_dependences_for_loop): Use depth, not loop number.
  27         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
  28         number. Pass in loops, instead of loop numbers.
  29         (gather_interchange_stats): Ditto.
  30         (linear_transform_loops): Ditto.
  31
  32 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
  33
  34         PR rtl-opt/13299
  35         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
  36         biv_fits_mode_p, extension_within_bounds_p): New functions.
  37         (check_ext_dependent_givs): Use them.
  38
  39 2005-01-06  Roger Sayle  <roger@eyesopen.com>
  40
  41         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
  42         more than one barrier, in which case we should delete them all.
  43
  44 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
  45
  46         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
  47
  48 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
  49
  50         Fix PR middle-end/19286
  51         Fix PR debug/19267
  52         * dwarf2out.c (gen_subprogram_die): If we've already tried to
  53         output this subprogram, simply ignore this attempt to do it again.
  54         (add_abstract_origin_attribute): Don't abort trying to add the abstract
  55         origin attribute if it's not possible.
  56         (gen_block_die): Don't ignore subblocks of "unused" blocks.
  57         (decls_for_scope): Ditto.
  58         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
  59         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
  60
  61 2005-01-05  Richard Henderson  <rth@redhat.com>
  62
  63         PR target/11327
  64         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
  65         (bdesc_2arg): Use it.
  66         (ix86_expand_binop_builtin): Force operands into registers
  67         when optimizing.
  68         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
  69         ix86_expand_sse_compare, ix86_expand_sse_comi,
  70         ix86_expand_builtin): Likewise.
  71
  72 2005-01-05  Richard Henderson  <rth@redhat.com>
  73
  74         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
  75         and VEC_SELECT.
  76         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
  77         (mulv4hi3): Set itanium_class mmmul.
  78         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
  79         (fpack): Rename from fpack_sfsf.
  80
  81 2005-01-05  Richard Henderson  <rth@redhat.com>
  82
  83         PR rtl-opt/10692
  84         * reload1.c (do_input_reload): Restrict the optimization deleteing
  85         a previous output reload to RELOAD_FOR_INPUT.
  86
  87 2005-01-05  Steven Bosscher  <stevenb@suse.de>
  88
  89         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
  90         comment that we fall through after case.
  91         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
  92         (distribute_links): Likewise.
  93         * cse.c (cse_insn): Likewise.
  94         * cselib.c (cselib_invalidate_mem): Likewise.
  95         * df.c: Update comments at the top of the file.
  96         (read_modify_subreg_p): Update comments here too.
  97         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
  98         * flow.c (mark_set_1): Likewise.
  99         (mark_used_regs): Likewise.
 100         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 101         (canon_list_insert): Likewise.
 102         (mark_set): Likewise.
 103         (try_replace_reg): Likewise.
 104         (store_killed_in_insn): Likewise.
 105         * loop.c (count_one_set): Likewise.
 106         (basic_induction_var): Likewise.
 107         * postreload-gcse.c (find_mem_conflicts): Likewise.
 108         * postreload.c (reload_combine_note_store): Likewise.
 109         (move2add_note_store): Likewise.
 110         * reload.c (find_equiv_reg): Likewise.
 111         (mark_referenced_resources): Likewise.
 112         * rtlanal.c (set_noop_p): Likewise.
 113         (note_stores): Likewise.
 114         (note_uses): Likewise.
 115         * sched-deps.c (sched_analyze_1): Likewise.
 116         * sched-rgn.c (check_live_1): Likewise.
 117         (update_live_1): Likewise.
 118         * config/i860/i860.c: Likewise.
 119
 120         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
 121         an lvalue.
 122         (ZERO_EXTRACT): Mention that this one can be an lvalue.
 123
 124         * doc/rtl.texi: Update documentation for bit-fields and SET.
 125
 126 2005-01-05  Roger Sayle  <roger@eyesopen.com>
 127
 128         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
 129
 130 2005-01-05  Jan Hubicka  <jh@suse.cz>
 131             Richard Henderson  <rth@redhat.com>
 132
 133         PR target/18910
 134         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
 135         with an offset.
 136
 137 2005-01-05  Richard Henderson  <rth@redhat.com>
 138
 139         PR target/12902
 140         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
 141         (sse_shufps): Change operand 3 to const_int_operand.
 142         (sse2_storelps): Fix typo in template.
 143         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
 144         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
 145         (ix86_expand_builtin): Likewise.
 146
 147 2005-01-05  Julian Brown  <julian@codesourcery.com>
 148
 149         * config/arm/arm.c (arm_return_in_memory): Treat complex types
 150         as aggregates for AAPCS ABIs.
 151
 152 2005-01-05  Stan Shebs  <shebs@apple.com>
 153
 154         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
 155         Mach-O getters if ppc64.
 156         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
 157         size argument.
 158         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
 159         signed four-byte field for global code case.
 160         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
 161
 162 2005-01-05  Roger Sayle  <roger@eyesopen.com>
 163
 164         PR middle-end/19100
 165         * c-common.c: Include real.h.
 166         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
 167         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
 168         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
 169         * Makefile.in (c-common.o): Update dependencies.
 170
 171 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
 172
 173         * c-parse.in (asm_string): Add trailing semicolon.
 174
 175 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
 176
 177         * c-parse.in (asm_string): New.  Don't allow wide strings in
 178         'asm'.
 179         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
 180         asm_string instead of STRING.
 181
 182 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
 183
 184         * c-typeck.c (constructor_no_implicit): Remove.
 185         (set_designator, process_init_element): Don't check
 186         constructor_no_implicit.
 187
 188 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
 189             Kaz Kojima  <kkojima@gcc.gnu.org>
 190
 191         PR target/16482
 192         * lcm.c (create_pre_exit): New.
 193         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
 194         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
 195
 196 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
 197
 198         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
 199         -msoft-float in target_float_switch.
 200         * arm.c (arm_override_options): Fix processing of target_float_switch.
 201
 202 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
 203
 204         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
 205         preferencing.
 206
 207 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
 208
 209         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
 210         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
 211
 212 2005-01-04  Roger Sayle  <roger@eyesopen.com>
 213
 214         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
 215         if deleting the then-block allows the test-block to fallthru to the
 216         else-block.
 217
 218 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
 219
 220         PR c/19152
 221         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
 222         after the full declaration if the are in two different TUs.
 223
 224 2005-01-04  Richard Henderson  <rth@redhat.com>
 225
 226         PR tree-opt/19158
 227         * tree-sra.c (generate_one_element_init): Just
 228         call gimplify_and_add.
 229         (generate_element_init): Record the
 230         new referenced variables and mark them for renaming
 231         and split out to ...
 232         (generate_element_init_1): This.
 233         (scalarize_init): Don't call push_gimplify_context/
 234         pop_gimplify_context.
 235
 236 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
 237
 238         * toplev.c (get_src_pwd): Handle failure of getpwd().
 239
 240 2005-01-04  Roger Sayle  <roger@eyesopen.com>
 241
 242         * fold-const.c (fold_single_bit_test): Delete unreachable handling
 243         of TRUTH_NOT_EXPR.
 244         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
 245         all the cases handled by it are inverted by invert_truthvalue.
 246
 247 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
 248
 249         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
 250         (save_register_windowsi): Likewise.
 251
 252 2005-01-04  Richard Henderson  <rth@redhat.com>
 253
 254         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
 255
 256 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
 257
 258         PR middle-end/17767
 259         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
 260         any simplifications of vector mode comparison operators.
 261         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
 262
 263 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
 264             Devang Patel  <dpatel@apple.com>
 265
 266         PR tree-optimization/18308
 267         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
 268         the operands before creating a new expression.
 269         * dojump.c (do_jump): Make drop_through_label available
 270         for all cases.  Add expansion of COND_EXPR.
 271
 272 2005-01-04  Ira Rosen  <irar@il.ibm.com>
 273
 274         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
 275         INTEGER_CST instead of TREE_CONSTANT.
 276         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
 277         instead of TREE_CONSTANT.
 278         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
 279         instead of TREE_CONSTANT.
 280
 281 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
 282
 283         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
 284
 285 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
 286
 287         PR target/19240
 288         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
 289         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
 290
 291 2005-01-03  Richard Henderson  <rth@redhat.com>
 292
 293         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
 294         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
 295         fold_convert_const_real_from_real): Split out from ...
 296         (fold_convert_const): ... here.
 297
 298 2005-01-03  Richard Henderson  <rth@redhat.com>
 299
 300         PR target/19235
 301         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
 302         (mov<MMXMODEI>_internal): Likewise.
 303         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
 304         Add V2SF case; use it for SSE1; don't use TI.
 305         (movdf_integer): Likewise.
 306         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
 307
 308 2005-01-03  Ira Rosen  <irar@il.ibm.com>
 309
 310         * tree-vectorizer.c (vect_strip_conversions): New function.
 311         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
 312         check for binary class.
 313
 314 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
 315
 316         Fix PR debug/17924
 317         Fix PR debug/19191
 318         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
 319         is a decl.
 320         * gimple-low.c (mark_blocks_with_used_vars): New function.
 321         (mark_blocks_with_used_subblocks): Ditto.
 322         (mark_used_blocks): Ditto.
 323         (pass_mark_used_blocks): New pass.
 324         * tree-inline.c: Include debug.h.
 325         (expand_call_inline): Call outlining_inline_function here.
 326         * tree-optimize.c (init_tree_optimization_passes): Add
 327         pass_mark_used_blocks.
 328         * tree-pass.h (pass_mark_used_blocks): New.
 329         * Makefile.in (tree-inline.o): Add debug.h dependency.
 330
 331 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
 332
 333         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
 334         VAR_DECLs to have weak_import attribute.
 335
 336         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
 337         'struct ucontext'.
 338
 339 2004-01-03  Steven Bosscher  <stevenb@suse.de>
 340
 341         * passes.c (rest_of_compilation): Don't run regmove if only
 342         flag_expensive_optimizations, require flag_regmove instead.
 343
 344 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
 345
 346         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
 347         register "sparc".
 348         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
 349         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 350         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
 351         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
 352
 353 2005-01-03  Richard Henderson  <rth@redhat.com>
 354
 355         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
 356         (ia64_const_ok_for_letter_p): New.
 357         (ia64_const_double_ok_for_letter_p): New.
 358         (ia64_extra_constraint): New.
 359         (ia64_expand_vecint_compare): New.
 360         (ia64_expand_vcondu_v2si): New.
 361         (ia64_expand_vecint_cmov): New.
 362         (ia64_expand_vecint_minmax): New.
 363         (ia64_print_operand): Add 'v'.
 364         (ia64_preferred_reload_class): New.
 365         (ia64_vector_mode_supported_p): New.
 366         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
 367         (PREFERRED_RELOAD_CLASS): Move to function.
 368         (CONST_OK_FOR_LETTER_P): Move to function.
 369         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
 370         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
 371         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
 372         (EXTRA_CONSTRAINT): Move to function.
 373         * config/ia64/ia64.md: Include vect.md.
 374         (itanium_class): Add mmalua.
 375         (type): Handle it.
 376         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
 377         (1b_mmalua): New.
 378         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
 379         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
 380         CONST0_RTX.
 381         (const_int_2bit_operand): New.
 382         (fr_reg_or_0_operand): New.
 383         * config/ia64/ia64-modes.def: Add vector modes.
 384         * config/ia64/ia64-protos.h: Update.
 385         * config/ia64/vect.md: New file.
 386
 387 2005-01-03  Richard Henderson  <rth@redhat.com>
 388
 389         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
 390
 391 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
 392
 393         PR target/19236
 394         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
 395         to SFmode.
 396         (log1pdf2): Change mode of operands[0,1] to DFmode.
 397
 398 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
 399
 400         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
 401         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
 402         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
 403         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
 404         SPARC_RELAXED_ORDERING.
 405
 406 2005-01-03  Richard Henderson  <rth@redhat.com>
 407             Uros Bizjak  <uros@kss-loka.si>
 408
 409         PR target/14631
 410         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
 411         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
 412         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
 413         handling.
 414         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
 415         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
 416         const_pow2_1_to_128_operand): New predicates.
 417
 418 2005-01-02  Greg McGary  <greg@mcgary.org>
 419
 420         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
 421         anonymous decls.
 422         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
 423         object.  [ptr_type]: Remove unused variable.
 424         Remember nearest addressable array-element or record-component
 425         when checking bitfield components.  Tolerate empty BIND_EXPR.
 426
 427 2005-01-01  Richard Henderson  <rth@redhat.com>
 428
 429         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
 430         that don't narrow the value.  Fail for other conversions.
 431
 432 2005-01-01  Richard Henderson  <rth@redhat.com>
 433
 434         PR c/19031
 435         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
 436         * c-lang.c (finish_file): Don't do it here.
 437         * objc/objc-act.c (objc_finish_file): Likewise.
 438
 439         * cgraph.c (decl_assembler_name_equal): New.
 440         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
 441         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
 442         * cgraph.h (struct cgraph_varpool_node): Add next.
 443         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
 444         * varasm.c (assemble_alias): Mark the target as needed.
 445
 446 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
 447
 448         PR middle-end/19221
 449         * function.c (get_arg_pointer_save_area): Use entry_of_function
 450         instead of get_insns.
 451
 452 2005-01-01  Roger Sayle  <roger@eyesopen.com>
 453             Andrew Pinski  <pinskia@physics.uc.edu>
 454             James E. Wilson  <wilson@specifixinc.com>
 455
 456         PR rtl-optimization/12092
 457         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
 458         is zero.
 459
 460 2005-01-01  Roger Sayle  <roger@eyesopen.com>
 461             Olivier Hainque  <hainque@act-europe.fr>
 462
 463         * tree.c (int_fits_type_p): A narrower type always fits in a
 464         wider one, except for negative values into unsigned types.
 465
 466 2005-01-01  Roger Sayle  <roger@eyesopen.com>
 467
 468         * tree.c (int_fits_type_p): Compare the result of force_fit_type
 469         with the original constant rather than require TREE_OVERFLOW.
 470
 471 2005-01-01  Steven Bosscher  <stevenb@suse.de>
 472
 473         PR middle-end/17544
 474         * c-decl.c (finish_function): If compiling C99, annotate the
 475         compiler generated return with the current file name and line 0.
 476         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
 477         the source line is greater than 0.
 478         (remove_bb): Likewise.
 479
 480 See ChangeLog.12 for earlier changes.