gcc/ChangeLog

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