gcc/ChangeLog

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