gcc/ChangeLog

   1 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
   2
   3         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
   4         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
   5         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
   6         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
   7         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
   8         __divxc3): Document.
   9
  10 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
  11
  12         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
  13         previous behaviour.
  14         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
  15         hook_bool_void_false.
  16         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
  17         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
  18
  19         * config/darwin.c (machopic_select_section): It's not defined
  20         as weak if it's only marked as weak_import.
  21
  22         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
  23         Prototype.
  24
  25         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
  26         A hidden weak object does bind locally.  Strong linkonce data
  27         counts like any other strong symbol for binding.
  28         (weak_finish_1): Don't specially handle weakrefs, they no longer
  29         arrive here.
  30         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
  31         * c-common.c (handle_alias_attribute): Allow static aliases
  32         of variables.
  33         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
  34         * gthr-dce.h: Make weakrefs static.
  35         * gthr-tpf.h: Likewise.
  36         * gthr-solaris.h: Likewise.
  37         * gthr-posix.h: Likewise.
  38         * gthr-posix95.h: Likewise.
  39         * config/darwin.c (darwin_encode_section_info): static weakref
  40         variables are not necessarily defined in this translation unit.
  41         * doc/extend.texi (Function Attributes): Mention that an alias
  42         attribute creates a definition for the thing it's attached to.
  43         Change the documentation for weakref to say that the thing
  44         it's attached to must be static.
  45
  46         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
  47         we don't go into an infinite loop.
  48
  49 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
  50
  51         * config/rs6000/predicates.md (logical_const_operand): Split
  52         out of logical_operand.
  53         (logical_operand): Use it.
  54         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
  55         logical_const_operand.
  56
  57 2005-12-05  Jan Beulich  <jbeulich@novell.com>
  58
  59         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
  60         and IX86_BUILTIN_CMPNESS.
  61         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
  62         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
  63         * config/i386/i386.md (movti_internal): Correct type attribute.
  64         Simplify mode attribute.
  65         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
  66         Correct type attribute.
  67         (absxf2): Correct operator.
  68         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
  69         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
  70         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
  71         mode attribute.
  72         (sse2_vmsqrtv2df2): Correct mode attribute.
  73
  74 2005-12-05  Jan Beulich  <jbeulich@novell.com>
  75
  76         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
  77         16 bits. Provide insn pattern for this case.
  78
  79 2005-12-05  Jan Beulich  <jbeulich@novell.com>
  80
  81         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
  82         result.
  83         (__popcountDI2): Likewise.
  84
  85 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  86
  87         PR target/25166
  88         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
  89         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
  90         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
  91         functions.
  92
  93 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
  94
  95         * c-typeck.c (null_pointer_constant_p): New function.
  96         (build_conditional_expr, build_c_cast, convert_for_assignment,
  97         build_binary_op): Use it.
  98
  99 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
 100
 101         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
 102         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
 103         CONVERT_EXPR.
 104         (check_function_arguments_recurse): Allow both NOP_EXPR and
 105         CONVERT_EXPR but check conversions preserve precision.
 106         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
 107         but check conversions preserve precision.
 108         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
 109         default case.
 110
 111 2005-12-04  Roger Sayle  <roger@eyesopen.com>
 112
 113         PR c/7776
 114         * common.opt (Wstring-literal-comparison): New command line option.
 115         * c-opts.c (c_common_handle_option): Set it with -Wall.
 116         * c-typeck.c (parser_build_binary_op): Issue warning if either
 117         operand of a comparison operator is a string literal, except for
 118         testing equality or inequality against NULL.
 119
 120         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
 121
 122 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
 123
 124         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
 125         of building a NOP_EXPR.
 126         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
 127         NOP_EXPR.
 128         * c-convert.c (convert): Use fold_convert instead of building
 129         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
 130         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
 131         #if 0 code.
 132         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
 133         NOP_EXPR the same as CONVERT_EXPR.
 134         * c-typeck.c (build_function_call): Use fold_convert instead of
 135         building a NOP_EXPR directly.
 136         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
 137
 138 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
 139
 140         PR rtl-optimization/25197
 141         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
 142         have a reg.
 143
 144 2005-12-02  Stuart Hastings  <stuart@apple.com>
 145
 146         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
 147         warning.
 148
 149 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
 150
 151         * c-typeck.c (default_function_array_conversion,
 152         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
 153         (build_conditional_expr): Apply integer_zerop to orig_op1 and
 154         orig_op2.  Don't check them for NOP_EXPR.
 155         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
 156         around integer zero.
 157
 158 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
 159
 160         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
 161         toc_save_offset, toc_size, lr_size.
 162         (rs6000_stack_info): Use memset rather than bss struct copy to init.
 163         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
 164         Adjust for removal of unused rs6000_stack_t fields.
 165         (debug_stack_info): Adjust.
 166         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
 167         first, and don't bother checking for set/inc of lr on sibcalls.
 168         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
 169
 170 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
 171
 172         PR target/25199
 173         * config/i386/i386.md (movqi_1): Only force imovx for alternative
 174         5 if operand 1 is not aligned.  Undo previous constraint change.
 175         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
 176
 177 2005-12-02  Richard Guenther  <rguenther@suse.de>
 178
 179         * tree.h (build): Remove prototype.
 180         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
 181         * tree.c (build): Remove.
 182         (build0_stat): Update comment.
 183
 184 2005-12-02  Richard Guenther  <rguenther@suse.de>
 185
 186         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
 187         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
 188         Likewise.
 189         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
 190         maybe_fold_offset_to_component_ref): Likewise.
 191         * tree-ssa-dom.c (thread_across_edge,
 192         simplify_rhs_and_lookup_avail_expr,
 193         find_equivalent_equality_comparison, record_equivalences_from_stmt):
 194         Likewise.
 195         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
 196         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
 197         lower_try_finally_switch): Likewise.
 198         * tree-if-conv.c (add_to_dst_predicate_list,
 199         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
 200         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
 201         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
 202         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
 203         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
 204         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
 205         gimplify_init_ctor_eval, gimplify_init_constructor,
 206         gimplify_variable_sized_compare, gimplify_boolean_expr,
 207         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
 208         gimplify_expr, gimplify_body, gimplify_function_tree,
 209         force_gimple_operand): Likewise.
 210         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
 211         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
 212         mx_register_decls): Likewise.
 213         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
 214         get_frame_field, finalize_nesting_tree_1): Likewise.
 215         * tree-inline.c (setup_one_parameter): Likewise.
 216         * tree-vect-transform.c (vectorizable_condition): Likewise.
 217         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
 218         Likewise.
 219         * tree-profile.c (tree_gen_edge_profiler): Likewise.
 220         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
 221         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
 222         * tree-chrec.h (build_polynomial_chrec): Likewise.
 223
 224 2005-12-02  Richard Guenther  <rguenther@suse.de>
 225
 226         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
 227         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
 228         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
 229         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
 230         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
 231         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
 232         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
 233         Likewise.
 234         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
 235         sh_adjust_unroll_max): Likewise.
 236         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
 237         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
 238         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
 239         Likewise.
 240         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
 241         Likewise.
 242         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
 243         Likewise.
 244
 245 2005-12-02  Richard Guenther  <rguenther@suse.de>
 246
 247         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
 248         simplify_cond_using_ranges): Use buildN instead of build.
 249         * tree-tailcall.c (adjust_accumulator_values,
 250         adjust_return_value): Likewise.
 251         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
 252         generate_element_copy, generate_element_zero,
 253         generate_one_element_init): Likewise.
 254         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
 255         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
 256         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
 257         perfect_nestify): Likewise.
 258
 259 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 260
 261         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
 262
 263 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 264
 265         * ggc.h (GGC_RESIZEVEC): New.
 266
 267 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 268
 269         * gcc.c (execute): Improve readability.
 270
 271 2005-12-02  Richard Guenther  <rguenther@suse.de>
 272
 273         * tree-cfg.c (mark_used_vars): New function.
 274         (dump_function_to_file): Dump only used VAR_DECLs.
 275
 276 2005-12-02  Richard Guenther  <rguenther@suse.de>
 277
 278         * convert.c (convert_to_integer): Fix compare for nonpositive
 279         constant to use tree_int_cst_sgn <= 0.
 280
 281 2005-12-02  Richard Guenther  <rguenther@suse.de>
 282
 283         * convert.c (convert_to_integer): Use fold_convert instead
 284         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
 285         instead of comparing against 0.  Use build_int_cst instead
 286         of converting integer_zero_node.
 287
 288 2005-12-02  Richard Guenther  <rguenther@suse.de>
 289
 290         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
 291         and RROTATE_EXPR.
 292
 293 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
 294
 295         PR target/21017
 296         * combine.c (simplify_logical <IOR>): Simplify more patterns to
 297         rotates.
 298
 299 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
 300
 301         PR middle-end/25176
 302         * function.c (expand_function_end): Emit blockage for unwinder
 303         after return label.
 304
 305 2005-12-01  Roger Sayle  <roger@eyesopen.com>
 306
 307         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
 308         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
 309         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
 310         integer constant comparisons.
 311
 312 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
 313             Janis Johnson  <janis187@us.ibm.com>
 314             David Edelsohn  <dje@watson.ibm.com>
 315             Ben Elliston  <bje@au.ibm.com>
 316
 317         * dfp.h, dfp.c: New files.
 318         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
 319         (DECNUM_H): Likewise.
 320         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
 321         (INCLUDES): Append $(DECNUMINC).
 322         (OBJS-common): Add dfp.o.
 323         (dfp.o): New rule.
 324         * real.h (EXP_BITS): Pinch one bit to ..
 325         (struct real_value): Add decimal field.
 326         (real_format): Change table size, update documentation.
 327         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
 328         (real_from_string3): Declare.
 329         (decimal_single_format): Declare.
 330         (decimal_double_format): Declare.
 331         (decimal_quad_format): Declare.
 332         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
 333         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
 334         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
 335         * real.c: Include dfp.h.
 336         (normalize): Early return for decimal floats.
 337         (do_add): Zero decimal field.
 338         (do_compare): Call do_decimal_compare for decimal floats.
 339         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
 340         (real_arithmetic): Call decimal_real_arithmetic for decimal
 341         floating point operands.
 342         (real_identical): If a and b are of differing radix, return false.
 343         (real_to_integer): Call decimal_real_to_integer if the value is a
 344         decimal float.
 345         (real_to_integer2): Likewise, call decimal_real_to_integer2.
 346         (real_to_decimal): Likewise, call decimal_real_to_decimal.
 347         (real_to_hexadecimal): Place "N/A" in the return string for
 348         decimal float.
 349         (real_from_string3): New variant, given a mode.
 350         (real_maxval): Use decimal_real_maxval for decimal floats.
 351         (round_for_format): Use decimal_round_for_format for decimals.
 352         (real_convert): Use decimal_real_convert where appropriate.
 353         (significand_size): Handle base 10.
 354         (encode_decimal_single, decode_decimal_single,
 355         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
 356         decode_decimal_quad): New functions.
 357         (decimal_single_format): New.
 358         (decimal_double_format): New.
 359         (decimal_quad_format): New.
 360         * machmode.def: Add SD, DD and TD decimal floating point modes.
 361         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
 362         Include MODE_DECIMAL_FLOAT.
 363         (DECIMAL_FLOAT_MODE_P): New.
 364         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
 365         * genmodes.c (struct mode_data): Add counter field.
 366         (struct mode_data): Update comment for format.
 367         (blank_mode): Initialise counter field.
 368         (new_mode): Increment counter field for each mode defined.
 369         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
 370         using a format.
 371         (make_complex_modes): Handle modes containing `D'.
 372         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
 373         (make_decimal_float_mode): New.
 374         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
 375         (cmp_modes): Compare counter field if other characteristics
 376         similar.
 377         (emit_real_format_for_mode): Support formats for decimal floats.
 378         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
 379         Document MODE_DECIMAL_FLOAT.
 380
 381 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
 382
 383         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
 384         Delete dead code.
 385
 386 2005-12-01  Richard Henderson  <rth@redhat.com>
 387
 388         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
 389
 390 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 391
 392         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
 393
 394         * config/pa/pa.c (pa_init_builtins): If we detect
 395         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
 396         putc_unlocked.
 397
 398 2005-12-01  Richard Guenther  <rguenther@suse.de>
 399
 400         * fold-const.c (fold_binary): Use fold_build2, not
 401         fold (build (...)).
 402
 403 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
 404
 405         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
 406
 407         * vec.h (VEC_block_remove): New.
 408
 409 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 410
 411         PR c/13384
 412         * c-common.c (lvalue_error): Fix wording.
 413
 414 2005-12-01  Richard Guenther  <rguenther@suse.de>
 415
 416         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
 417         thinko in last patch.
 418
 419 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
 420
 421         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
 422         than -flat_namespace.
 423
 424 2005-12-01  Ben Elliston  <bje@au.ibm.com>
 425
 426         * mklibgcc.in: Parameterise the script to build soft float
 427         functions by iterating over each type, rather than cloning the
 428         code for each type.
 429
 430 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 431
 432         PR middle-end/25158
 433         * builtins.c (fold_builtin_fputs): Defer check for missing
 434         replacement functions.
 435
 436 2005-11-30  Kean Johnston  <jkj@sco.com>
 437
 438         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
 439         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
 440
 441 2005-11-30  Richard Guenther  <rguenther@suse.de>
 442
 443         PR tree-optimization/22501
 444         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
 445         function split out from ...
 446         (forward_propagate_addr_expr): ... here.  Use it to propagate
 447         ADDR_EXPRs to all uses.
 448
 449 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 450
 451         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
 452         * builtins.c (expand_builtin_mathfn): Use them.
 453         (expand_builtin_mathfn_2): Likewise.
 454         (expand_builtin_mathfn_3): Likewise.
 455         (expand_builtin_int_roundingfn): Likewise.
 456         (expand_builtin): Likewise.
 457         (integer_valued_real_p): Likewise.
 458         (fold_builtin_int_roundingfn): Likewise.
 459         (fold_builtin_bitop): Likewise.
 460         (fold_builtin_logarithm): Likewise.
 461         (fold_builtin_1): Likewise.
 462         * convert.c (convert_to_integer): Likewise.
 463         * fold-const.c (negate_mathfn_p): Likewise.
 464         (tree_expr_nonnegative_p): Likewise.
 465
 466 2005-11-30  Dale Johannesen  <dalej@apple.com>
 467             Andrew Pinski  <pinskia@physics.uc.edu>
 468
 469         * combine.c (find_split_point):  Sign extend bitmask
 470         when changing bitfield assignment to IOR of AND.
 471
 472 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
 473
 474         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
 475         clobber to scratch reg.
 476         (*decrement_and_branch_until_zero_no_clobber): Remove.
 477         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
 478         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
 479         * config/ms1/ms1.opt (mmul): Remove.
 480         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
 481         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
 482
 483 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 484             Bernd Schmidt  <bernd.schmidt@analog.com>
 485
 486         * pa/predicates.md (symbolic_operand): Add comment.
 487         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
 488         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
 489         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
 490         (pa_secondary_reload_class): Delete.
 491         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
 492         and pa_secondary_reload_class.  Reorder some checks.  Update inline
 493         copy of symbolic operand.
 494         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
 495
 496 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
 497
 498         * loop-doloop.c (add_test): Only add jump notes if we did emit a
 499         jump.
 500
 501 2005-11-30  Jeff Law  <law@redhat.com>
 502
 503         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
 504         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
 505
 506 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
 507
 508         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
 509         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
 510         (ia64_expand_move): Adjust caller.
 511
 512         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
 513         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
 514         negate VAL.
 515
 516 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
 517
 518         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
 519         Always produce an output if we can remove NEGs or canonicalize
 520         (minus (minus ...)) expressions.  Provide a fast path for the
 521         two-operand case.
 522         (simplify_gen_binary): Do not call simplify_plus_minus.
 523         (simplify_binary_operation_1): Reassociate at the end of the
 524         function.
 525
 526 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
 527
 528         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
 529         moves and unpack to speed up.
 530
 531 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
 532
 533         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
 534         argument, they are always sparc_compare_op0 and sparc_compare_op1.
 535         (gen_v9_scc): Update callers.
 536         * config/sparc/sparc.md: Likewise.
 537         * config/sparc/sparc-protos.h: Update extern declaration.
 538
 539         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
 540
 541 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
 542
 543         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
 544         the if.
 545
 546 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
 547
 548         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
 549         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
 550         (negate_expr): Here.
 551
 552 2005-11-29  Ben Elliston  <bje@au.ibm.com>
 553
 554         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
 555         Fix typo in comment.
 556
 557 2005-11-29  Ben Elliston  <bje@au.ibm.com>
 558
 559         * Makefile.in (clean-target): Depend on clean-target-libgcc.
 560         (clean-target-libgcc): Import rule from the top-level Makefile.in.
 561
 562 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 563
 564         PR middle-end/20109
 565         PR middle-end/25120
 566         * builtins.c (init_target_chars): New.
 567         (expand_builtin_printf, expand_builtin_fprintf,
 568         expand_builtin_sprintf, fold_builtin_sprintf,
 569         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
 570         fold_builtin_snprintf_chk, fold_builtin_printf,
 571         fold_builtin_fprintf): Check for matching format strings using
 572         the target charset.
 573
 574 2005-11-29  Paul Brook  <paul@codesourcery.com>
 575
 576         * config.gcc: Do not use fixproto on m68k-elf.
 577
 578 2005-11-28  Roger Sayle  <roger@eyesopen.com>
 579
 580         * expmed.c (div_cost): Replace with...
 581         (sdiv_cost, udiv_cost): New.
 582         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
 583         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
 584         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
 585         (expand_divmod): Replace use of div_cost with either sdiv_cost
 586         or udiv_cost depending upon the signedness of the operation.
 587
 588 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
 589
 590         PR libfortran/24991
 591         * config/darwin.c (machopic_indirection_name,
 592         machopic_output_indirection): Follow transparent alias chain.
 593
 594 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
 595
 596         * varasm.c (ultimate_transparent_alias_target): Add comment.
 597
 598 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
 599
 600         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
 601         SET_SRC instead of XEXP where appropriate.
 602
 603 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
 604
 605         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
 606         __builtin_expect.
 607
 608 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
 609
 610         * config/fp-bit.h (LSHIFT): Take shift count parameter.
 611         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
 612         bit at a time.
 613
 614 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
 615
 616         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
 617         secondary_input_reload_class, made static.  Adapt to new
 618         infrastructure.
 619         (secondary_output_reload_class): Delete.
 620         (TARGET_SECONDARY_RELOAD): New macro.
 621         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
 622         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
 623
 624 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
 625
 626         PR c++/21166
 627         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
 628         when its natural alignment is > BITS_PER_UNIT.
 629         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
 630         * c-common.c (handle_packed_attribute): Ignore packing on a field
 631         whose type is naturally char aligned.
 632
 633 2005-11-28  Richard Guenther  <rguenther@suse.de>
 634
 635         * c-common.c (strict_aliasing_warning): Handle all
 636         component-ref like accesses.
 637
 638 2005-11-28  Roger Sayle  <roger@eyesopen.com>
 639             Uros Bizjak  <uros@kss-loka.si>
 640
 641         PR middle-end/20219
 642         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
 643         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
 644         when flag_unsafe_math_optimizations is set and
 645         we don't care about NaNs or Infinities.
 646
 647         Move x/expN(y) and x/pow(y,z) transformation into common
 648         flag_unsafe_math_optimizations section.
 649
 650 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
 651
 652         * gcc.c (main): Change type of argv to "char **".
 653
 654 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
 655
 656         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
 657         small data sections.
 658         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
 659         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
 660         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
 661         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
 662         output locals to sbss if !rs6000_elf_in_small_data_p.
 663         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
 664
 665 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
 666
 667         PR target/24997
 668         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
 669         generated by reload.
 670         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
 671         indexed_or_indirect_address.
 672         (indexed_or_indirect_address): Don't test for base reg.  Call
 673         address_operand last.  Make it a special predicate.
 674
 675 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
 676
 677         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
 678
 679 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
 680
 681         PR middle-end/24575
 682         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
 683         is undefined.
 684         (negate_expr): Likewise.
 685
 686 2005-11-27  Andreas Schwab  <schwab@suse.de>
 687
 688         * config/m68k/m68k.c: Reindent and fix whitespace, remove
 689         redundant parens.
 690
 691 2005-11-27  Steven Bosscher  <stevenb@suse.de>
 692
 693         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
 694         has EH predecessor edges.
 695
 696 2005-11-26  Eric Christopher  <echristo@apple.com>
 697
 698         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
 699         register stalls by zero extending to the full register.
 700
 701 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
 702
 703         * config/floatunsisf.c, config/floatunsidf.c,
 704         config/floatunsixf.c, config/floatunsitf.c: New files.
 705         * config/ia64/t-hpux: Add floatunsitf.c.
 706         * config/ia64/ia64.c (ia64_init_libfuncs): Use
 707         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
 708
 709 2005-11-26  Richard Henderson  <rth@redhat.com>
 710
 711         * c-lex.c (pragma_lex): Rename from c_lex.
 712         * c-pch.c: Update for pragma_lex rename.
 713         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
 714         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
 715         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
 716         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
 717         * doc/tm.texi: Likewise.
 718
 719 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
 720
 721         PR middle-end/23669
 722         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
 723         when overflow is undefined.
 724
 725 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
 726
 727         * doc/md.texi (Insn Canonicalizations): Refer to the
 728         function commutative_operand_precedence for further rules.
 729
 730 2005-11-25  Roger Sayle  <roger@eyesopen.com>
 731
 732         PR middle-end/21309
 733         * expmed.c (choose_mult_variant): Return immediately when mult_cost
 734         is less than zero.  Limit mult_cost to a reasonable upper bound for
 735         the synthetic multiplication sequence.
 736
 737 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 738
 739         PR middle-end/25022
 740         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
 741         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
 742         Lookup the explicit replacement functions for any unlocked
 743         stdio builtin transformations.
 744
 745 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
 746
 747         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
 748         earlyclobber.
 749         * targhooks.c (default_secondary_reload): Don't require operand 2
 750         for an input reload to be earlyclobber.
 751
 752 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 753
 754         * fold-const.c (negate_mathfn_p): Fix comment and add support
 755         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
 756         BUILT_IN_ATANH.
 757
 758 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
 759
 760         PR middle-end/24998
 761         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
 762         _Q_ulltoq for unsigned conversions from SImode and DImode to
 763         TFmode.
 764
 765 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
 766
 767         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
 768         (__floatundidf, __floatundisf): Likewise.
 769
 770 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
 771
 772         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
 773         (rs6000_override_options): Remove initialization of
 774         rs6000_sr_alias_set.
 775         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
 776         (rs6000_emit_stack_tie): Same.
 777         (emit_frame_save): Same.
 778         (gen_frame_mem_offset): Same.
 779         (rs6000_emit_prologue): Same.
 780         (rs6000_emit_epilogue): Same.
 781
 782 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
 783
 784         PR middle-end/24989
 785         * fold-const.c (fold_build): Convert bool_var != 1 and
 786         bool_var == 0 to !bool_var.
 787
 788 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
 789
 790         PR middle-end/24990
 791         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
 792         for C being INTEGER_CST.  Likewise for !=.
 793
 794 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
 795
 796         PR middle-end/24998
 797         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
 798         unsigned conversions from SImode to TFmode.
 799
 800 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
 801
 802         * expr.c (expand_expr_real_1): Fix error in last change.
 803
 804 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
 805
 806         * caller-save.c: (this_insn_sets): Move into:
 807         (save_call_clobbered_regs).
 808         (mark_set_regs): Get this_insn_sets from data.
 809
 810         (save_call_clobbered_regs): Take sets of the return value by
 811         sibcalls into account.
 812
 813 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
 814         PR target/21623:
 815
 816         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
 817         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
 818         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
 819         (memory_move_secondary_cost, init_reg_autoinc): Remove
 820         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
 821         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
 822         secondary_reload_class call.
 823         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
 824         callers.
 825         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
 826         (push_secondary_reload): Use secondary_reload target hook.
 827         (secondary_reload_class, scratch_reload_class): New functions.
 828         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
 829         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
 830         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
 831         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
 832         (secondary_reload_class, scratch_reload_class): Declare.
 833         * reload1.c: Include target.h.
 834         (reload_adjust_reg_for_temp): New function.
 835         (reload_adjust_reg_for_icode): Likewise.
 836         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
 837         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
 838         call.
 839         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
 840         for inheritance.  Support case when both secondary & tertiary reloads
 841         are for intermediate registers.
 842         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
 843         with secondary_reload_class call.  Support case when both secondary
 844         & tertiary reloads are for intermediate registers.
 845         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
 846         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
 847         * target.h (secondary_reload_info): New struct / typedef.
 848         (struct gcc_target): New member secondary_reload.
 849         * targhooks.c Include reload.h, optabs.h and recog.h.
 850         (default_secondary_reload): New function.
 851         * targhooks.h (default_secondary_reload): Declare.
 852         * doc/tm.texi: Document secondary_reload target hook.  Update
 853         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
 854         * doc/md.texi: Likewise.
 855
 856         * sh-protos.h (sh_secondary_reload): Declare.
 857         * sh.c (TARGET_SECONDARY_RELOAD): Override.
 858         (sh_secondary_reload): New function.
 859         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
 860         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
 861         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
 862         (HAVE_SECONDARY_RELOADS): Define.
 863         * sh.md (reload_indf): Rename to:
 864         (reload_indf__frn).
 865         (reload_outdf): Rename to:
 866         (reload_outdf__RnFRm).
 867         (reload_insf): Rename to:
 868         (reload_insf__frn).
 869         (reload_insi): Rename to:
 870         (reload_insi__i_fpul).
 871
 872 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
 873
 874         * configure.ac: Require at least texinfo 4.4.
 875         * configure: Regenerate.
 876
 877         * doc/install.texi (Tools/packages necessary for building GCC):
 878         Update required version of texinfo to at least 4.4.
 879         (Installing GCC: Building): Update required version of texinfo
 880         to at least 4.4.
 881         (Installing GCC: Final installation): Update required version
 882         of texi2dvi to at least 4.4.
 883         (Host/target specific installation notes for GCC): Update required
 884         version of texinfo to at least 4.4.
 885
 886 2005-11-24  Richard Guenther  <rguenther@suse.de>
 887         Dirk Mueller <dmueller@suse.de>
 888
 889         PR c++/14024
 890         * c-common.h (strict_aliasing_warning): Declare.
 891         * c-common.c (strict_aliasing_warning): New function,
 892         split out from ...
 893         * c-typeck.c (build_c_cast): ... here.
 894
 895 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
 896
 897         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
 898         to order operands.
 899         (swap_commutative_operands_with_target): New.
 900
 901 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
 902
 903         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
 904         also when doing PRE, rather than only for global CPROP.
 905
 906 2005-11-24  Ben Elliston  <bje@au.ibm.com>
 907
 908         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
 909         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
 910         formatting.
 911         (expand_twoval_unop): Likewise.
 912         (widen_clz): Likewise.
 913         (expand_parity): Likewise.
 914         (expand_unop): Likewise.
 915         (emit_cmp_and_jmp_insn_1): Likewise.
 916         (prepare_float_lib_cmp): Likewise.
 917
 918 2005-11-24  Ben Elliston  <bje@au.ibm.com>
 919
 920         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
 921         Remove unused `class' variable.
 922
 923 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 924
 925         PR c++/21667
 926         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
 927         C/C++ diagnostic function warn_array_subscript_with_type_char.
 928         * c-common.h (warn_array_subscript_with_type_char): Declare.
 929         * c-common.c (warn_array_subscript_with_type_char): Define.
 930
 931 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 932
 933         PR c/21668
 934         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
 935         compiling at the intersection of C and C++.
 936
 937 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
 938
 939         * doc/invoke.texi: For man pages, include gcc-vers.texi.
 940         List @file in the option summary.  Include the libiberty
 941         documentation for @file.
 942         * gcc.c (main): Call expandargv.
 943         * Makefile.in (gcc-vers.texi): Define srcdir.
 944
 945 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
 946
 947         * passes.c (init_optimization_passes): Document
 948         sequencing of passes.
 949
 950 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
 951
 952         * config/m68k/predicates.md (pcrel_address, extend_operator,
 953         post_inc_operand, pre_dec_operand): Remove redundant
 954         conditionals.
 955         (const_uint32_operand, const_sint32_operand): Use gcc_assert
 956         instead of abort.
 957         (valid_dbcc_comparison_p): Rewrite in the lisp style.
 958
 959 2005-11-23  Ben Elliston  <bje@au.ibm.com>
 960
 961         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
 962
 963 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
 964
 965         Preparatory work for PR target/21623:
 966         * alpha.c (secondary_reload_class): Rename to:
 967         (alpha_secondary_reload_class).
 968         * alpha.h, alpha-protos.h: Likewise.
 969         * mn10300.c (secondary_reload_class): Rename to:
 970         (mn10300_secondary_reload_class).
 971         * mn10300.h, mn10300-protos.h: Likewise.
 972         * pa.c (secondary_reload_class): Rename to:
 973         (pa_secondary_reload_class).
 974         * pa.h, pa-protos.h: Likewise.
 975         * rs6000.c (secondary_reload_class): Rename to:
 976         rs6000_secondary_reload_class.
 977         * rs6000.h, rs6000-protos.h: Likewise.
 978
 979 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
 980
 981         PR middle-end/22561
 982         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
 983
 984 2005-11-22  Ian Lance Taylor  <ian@airs.com>
 985
 986         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
 987         a mode_class.
 988         (prepare_cmp_insn): Likewise.
 989
 990 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
 991
 992         PR target/23435
 993         * m68k.md (zero_extendsidi2): Force operands[1] to a register
 994         if both operands[0] and operands[1] are memory.
 995
 996 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
 997
 998         PR middle-end/23606
 999         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1000         COMPARISON_CLASS_P and an integral types create create a new
1001         expression with the new type and fold that.
1002
1003 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1004
1005         PR target/24988
1006         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1007         to SUBTARGET_OS_CPP_BUILTINS.
1008
1009 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1010
1011         * arm.c (emit_set_insn): New function.
1012         (arm_split_constant): Call it.
1013         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1014         (arm_legitimize_address): Likewise.  Use plus_constant.
1015         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1016         (thumb_expand_prologue): Likewise.
1017         (arm_gen_load_multiple): Use VOIDmode in SET.
1018         (arm_gen_store_multiple): Likewise.
1019         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1020         (emit_multi_reg_push): Likewise.
1021         (emit_sfm): Use plus_constant.
1022
1023 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1024
1025         PR target/24954
1026         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1027         typo last change.
1028
1029 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1030
1031         PR middle-end/24950
1032         * expmed.c (store_bit_field): Don't attempt to insv a field
1033         larger than the reg.
1034
1035 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1036
1037         PR target/24954
1038         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1039         explicit sign extension, not a (char) cast.
1040
1041 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1042
1043         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1044         GET_MODE_CLASS (x) == MODE_FLOAT.
1045         * config/i386/i386.c: Likewise.
1046         * config/rs6000/xcoff.h: Likewise.
1047         * config/rs6000/linux64.h: Likewise.
1048         * config/rs6000/rs6000.c: Likewise.
1049         * config/rs6000/rs6000.h: Likewise.
1050         * config/rs6000/predicates.md: Likewise.
1051         * config/rs6000/sysv4.h: Likewise.
1052
1053 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1054
1055         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1056         flag_pic is set.
1057
1058         * config/alpha/freebsd.h, config/alpha/linux.h,
1059         config/arm/linux-elf.h, config/bfin/bfin.h,
1060         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1061         config/i386/beos-elf.h, config/i386/gnu.h,
1062         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1063         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1064         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1065         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1066         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1067         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1068         config/sparc/linux.h, config/sparc/linux64.h,
1069         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1070
1071         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1072         are both defined when either flag -fpic or -fPIC are used.
1073
1074 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1075
1076         * config/fp-bit.c (clzusi): New function.
1077         (si_to_float, usi_to_float): Use it to compute proper shift.
1078         (usi_to_float): Preserve guard bits when shifting right.
1079         * libgcc-std.ver (GCC_4.2.0): New version.
1080         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1081         __floatundisf): New functions.
1082         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1083         __floatundisf): Declare.
1084         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1085         _floatundixf, and _floatunditf.
1086         * optabs.c (expand_float): If target does not define a pattern for
1087         signed or unsigned conversion, use an unsigned libcall instead of
1088         a signed one.
1089         (init_optabs): Initialize ufloat_optab.
1090
1091 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1092
1093         * config/rs6000/rs6000.opt (mmulhw): New option.
1094         * doc/invoke.texi (-mmulhw): Document.
1095         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1096         for 405 and 440.
1097         * config/rs6000/rs6000.md: Add half-word multiply and
1098         multiply-accumulate instructions for 405 and 440.
1099
1100 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1101
1102         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1103         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1104         default now includes a linker group which makes the RTEMS one nest.
1105
1106 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1107
1108         * cse.c (fold_rtx): Typo fix.
1109         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1110
1111 2005-11-21  Richard Henderson  <rth@redhat.com>
1112
1113         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1114         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1115
1116         * c-tree.h (lookup_name): Move declaration ...
1117         * c-common.h (lookup_name): ... here.
1118         * config/darwin-c.c: Include c-common.h.
1119         * config/t-darwin: Update dependencies.
1120
1121 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1122
1123         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1124         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1125         * genopinit.c (gen_insn): Likewise.
1126         * reload.c (find_equiv_reg): Likewise.
1127         * loop.c (load_mems): Likewise.
1128         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1129         * cse.c (find_comparison_args, fold_rtx): Likewise.
1130         * dwarf2out.c (add_const_value_attribute): Likewise.
1131         * expr.c (convert_move): Likewise.
1132         * recog.c (general_operand, register_operand): Likewise.
1133         * reg-stack.c (replace_reg): Likewise.
1134         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1135         * c-common.c (handle_vector_size_attribute): Likewise.
1136         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1137         (simplify_binary_operation_1): Likewise.
1138         (simplify_const_binary_operation): Likewise.
1139         (simplify_relational_operation): Likewise.
1140         (simplify_const_relational_operation): Likewise.
1141         (simplify_immed_subreg): Likewise.
1142         * emit-rtl.c (gen_lowpart_common): Likewise.
1143         * expmed.c (expand_mult): Likewise.
1144         * stor-layout.c (layout_type): Likewise.
1145
1146 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
1147
1148         PR target/24951
1149         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1150         cst2 only for SPE vectors.
1151
1152 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
1153
1154         PR target/24953
1155         * config/rs6000/predicates.md (vrsave_operation): Check
1156         UNSPEC_VOLATILE value.
1157
1158 2005-11-21  Jan Hubicka  <jh@suse.cz>
1159
1160         PR tree-optimization/24653
1161         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1162
1163 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1164
1165         * config/i386/predicates.md (ax_reg_operand): New predicate.
1166         (memory_displacement_only_operand): New predicate.
1167         * config/i386/i386.md ("modrm" attribute): Return 0 if one
1168         operand is AX register and the other operand is memory operand
1169         with displacement only.
1170
1171 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1172
1173         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1174         if we don't care about NaNs or Infinities.
1175
1176 2005-11-20  Ian Lance Taylor  <ian@airs.com>
1177
1178         PR rtl-optimization/24883
1179         * combine.c (combinable_i3pat): When checking whether the
1180         destination of i3 is used in i3, consider paradoxical subregs.
1181
1182 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
1183
1184         PR middle-end/20583
1185         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1186
1187 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
1188
1189         * combine.c (try_combine): Do not run subst on i1src and i2src in
1190         the case of generating a PARALLEL for a comparison.
1191
1192 2005-11-20  Richard Henderson  <rth@redhat.com>
1193
1194         PR 24931
1195         * tree-sra.c (struct sra_elt): Add all_no_warning.
1196         (struct sra_walk_fns) <use>: Add use_all argument.
1197         (sra_walk_expr): Pass it.
1198         (sra_walk_modify_expr): Likewise.
1199         (scalarize_ldst): Likewise.
1200         (scan_use): Update for new argument.
1201         (mark_no_warning): New.
1202         (scalarize_use): Use it.
1203
1204 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1205
1206         * expr.c (expand_expr_real): Use usmul_optab for widening
1207         signed * unsigned multiplies.
1208         * genopinit.c (optabs): Add usmul_widen_optab.
1209         * optabs.c (init_optabs): Likewise.
1210         * optabs.h (enum optab_index): Add OTI_usmul_widen.
1211         (usmul_widen_optab): Define.
1212         * config/bfin/bfin.md (usmulhisi3): New pattern.
1213
1214         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1215
1216 2005-11-20  Graham Stott <btinternet.com>
1217
1218         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1219
1220 2005-11-20  Andreas Schwab  <schwab@suse.de>
1221
1222         PR target/24757
1223         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1224         insn.
1225
1226 2005-11-19  Richard Henderson  <rth@redhat.com>
1227
1228         PR tree-opt/24665
1229         * tree-gimple.c (is_gimple_id): Export.
1230         * tree-gimple.h (is_gimple_id): Declare.
1231         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1232         (get_default_value): Use it.
1233         (maybe_fold_stmt_indirect): Likewise.
1234
1235 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
1236
1237         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1238         than VR1 or vice-versa.
1239
1240 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
1241
1242         PR middle-end/24912
1243         PR middle-end/24750
1244         * reload.c (find_reloads_address_1): Mention dependency on
1245         gen_reload.
1246         * reload1.c (gen_reload): For IN with an unary operation, try
1247         moving inner expression to OUT if trivial SET is not valid.
1248         Confirm that the result is valid.  Move common code block into...
1249         (emit_insn_if_valid_for_reload): New function.
1250
1251 2005-11-19  Richard Guenther  <rguenther@suse.de>
1252
1253         * fold-const.c (fold_indirect_ref_1): Make sure we fold
1254         ARRAY_REFs of constant strings.
1255
1256 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
1257
1258         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1259         fatal format string.
1260
1261 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
1262
1263         * combine.c (make_compound_operation): Swap operands of
1264         commutative operation if necessary before returning.
1265
1266 2005-11-19  Richard Guenther  <rguenther@suse.de>
1267
1268         PR middle-end/23294
1269         * fold-const.c (fold_plusminus_mult_expr): New function.
1270         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1271         cases, remove now unnecessary code.
1272
1273 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
1274
1275         * gensupport.c (old_preds): Rename to std_preds, add special field.
1276         (struct old_pred_table): Rename to struct std_pred_table, add special
1277         field.
1278         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1279         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1280         (init_predicate_table): Adjust, and set along the way whether a
1281         predicate is special.
1282
1283 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
1284
1285         * BASE-VER: Change to 4.2.0.
1286
1287 2005-11-18  James E Wilson  <wilson@specifix.com>
1288
1289         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1290         returning it.
1291
1292 2005-11-18  Mike Stump  <mrs@apple.com>
1293
1294         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1295         * config/darwin-c.c (darwin_pragma_unused): Likewise.
1296         * c-decl.c (lookup_name_two) Remove.
1297         * c-tree.h (lookup_name_two): Remove.
1298         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1299         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1300         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1301         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1302
1303 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
1304
1305         PR target/24914
1306         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1307         when not generating code to use that co-processor.
1308
1309 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
1310
1311         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1312         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1313         these functions are now in tree-phinodes.c.
1314
1315 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
1316
1317         * config/bfin/bfin.md (trap): New pattern.
1318
1319 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1320
1321         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1322         on types.
1323
1324         * expr.c (expand_expr_real): Don't call record_block_change unless
1325         ib_boundaries_block is non-null
1326
1327         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1328
1329         * fold-const.c (build_range_check): Use proper type for subtraction
1330         when merging lower bound.
1331
1332 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
1333
1334         PR rtl-optimization/24497
1335         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1336         the copied insn.
1337
1338 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
1339
1340         * tree-scalar-evolution.c (expression_expensive_p): New function.
1341         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1342
1343 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1344
1345         * config/bfin/crtlibid.s: New file.
1346
1347 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1348
1349         PR target/24348
1350         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1351         when not using sjlj exceptions.
1352         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1353         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1354         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1355         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1356         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1357         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1358         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1359         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1360         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1361         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1362         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1363         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1364         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1365         defines.
1366         * config/pa/hpux-unwind.h: New file.
1367
1368 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
1369
1370         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1371         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1372         * varasm.c (do_assemble_alias): Adjust call.
1373         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1374         is defined.
1375         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1376
1377 2005-11-17  James E Wilson  <wilson@specifix.com>
1378
1379         * tree.def (FUNCTION_DECL): Correct typo in comment.
1380
1381 2005-11-17  Richard Henderson  <rth@redhat.com>
1382
1383         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1384         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1385         and DW_CFA_def_cfa_sf.
1386         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1387         (dbx_reg_number): Don't assert particular registers here.
1388         (based_loc_descr): ... do it here instead.  Fold in ...
1389         (eliminate_reg_to_offset): ... this function.
1390         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1391         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1392         * unwind-dw2.c (execute_cfa_program): Apply data align factor
1393         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1394         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1395         (instantiate_virtual_regs): Likewise.
1396         * var-tracking.c (adjust_stack_reference): Likewise.
1397         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1398
1399 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1400
1401         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1402         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1403         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1404         crtlibid.o.
1405         ($(T)crtlibid.o): New rule.
1406
1407 2005-11-16  Richard Guenther  <rguenther@suse.de>
1408
1409         PR middle-end/24851
1410         * fold-const.c (extract_array_ref): Return byte offset
1411         in all cases.
1412         (fold_binary): Fold &x[a] CMP &x[b] to
1413         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1414         behavior.
1415
1416 2005-11-16  Richard Henderson  <rth@redhat.com>
1417
1418         PR middle-end/23497
1419         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1420         parts of an SSA_NAME.
1421
1422 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
1423
1424         PR target/24861
1425         * arm.md (split for movsf with immediate): Restrict split to insns
1426         that set a general register.
1427
1428 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
1429
1430         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
1431         uw_update_context.
1432         * unwind-dw2.c (uw_advance_context): Likewise.
1433         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
1434         _Unwind_SjLj_Unregister.
1435         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1436
1437 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
1438
1439         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1440
1441 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
1442
1443         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1444         langhook to get a DImode integer type.
1445
1446 2005-11-16  Richard Henderson  <rth@redhat.com>
1447             J"orn Rennecke <joern.rennecke@st.com>
1448             Ulrich Weigand  <uweigand@de.ibm.com>
1449
1450         PR rtl-opt/24160
1451         PR target/24621
1452         * reload1.c (reg_equiv_invariant): New.
1453         (reload): Allocate, initialize, and free it.
1454         (calculate_needs_all_insns): Check it when skipping equivalence
1455         setting insns.
1456         (alter_reg): Likewise.
1457         (eliminate_regs_1): Rename from eliminate_regs.  Add new
1458         may_use_invariant argument; only use reg_equiv_invariant when true.
1459         (eliminate_regs): New.
1460         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1461         a context for which may_use_invariant may be true.
1462
1463 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
1464
1465         * fold-const.c (const_binop): Don't constant fold the operation
1466         if the result has overflowed and flag_trapping_math.
1467         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1468
1469 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
1470
1471         * config/arm/unwind-arm.c (abort): Add prototype here.
1472         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1473         (struct phase1_vrs): Add prev_sp.
1474         (unwind_phase2_forced): Save the original core registers instead of
1475         modifying entry_vrs.  Take a new flag argument for resuming unwinding
1476         and set action flags accordingly.  Always set _US_END_OF_STACK when
1477         get_eit_entry fails.  Unwind before calling the stop function.
1478         (_Unwind_GetCFA): New function.
1479         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1480         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1481         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1482         just call unwind_phase2_forced.
1483         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1484         * config/arm/unwind-arm.h (abort): Remove prototype.
1485         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1486         prototypes.
1487         (_Unwind_GetCFA): New prototype.
1488         * config/arm/pr-support.c (abort): Add prototype here.
1489         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1490         forced unwinding.
1491         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1492         not schedule the prologue with non-call exceptions and EABI.
1493
1494 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
1495
1496         * config/arm/unwind-arm.h: Reorder interface function declarations.
1497         (_URC_END_OF_STACK): New enumeration value.
1498         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1499         (struct _Unwind_Control_Block): Document reserved field use.
1500         (_Unwind_Stop_Fn): New typedef.
1501         (_Unwind_ForcedUnwind): Declare.
1502         (_Unwind_Resume_or_Rethrow): Declare.
1503         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1504         argument.  Adjust.
1505         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1506         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1507         (UCB_FORCED_STOP_ARG): New.
1508         (search_EIT_table): Update boundary condition checks.
1509         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1510         (unwind_phase2): Replace for with do..while.
1511         (unwind_phase2_forced): New.
1512         (__gnu_Unwind_RaiseException): Replace for with do..while.
1513         (__gnu_Unwind_ForcedUnwind): New.
1514         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1515         Use appropriate phase2 unwinder.
1516         (__gnu_Unwind_Resume_or_Rethrow): New.
1517         (__gnu_unwind_pr_common): Cope with forced unwinding.
1518
1519 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
1520
1521         PR target/24772
1522         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1523
1524         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1525         roundsf2): Remove "s" from mnemonic.
1526
1527 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
1528
1529         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1530         __PIC__ is defined.
1531         * config/bfin/crtn.s: Change epilogues to match.
1532         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1533         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1534         __PIC__ and __pic__.
1535
1536 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
1537
1538         PR 24357
1539         * doc/invoke.texi: Distinguish between free and fixed form instead of
1540         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
1541         languages.
1542         * gcc.c (default_compilers): Remove double entries, add entries for
1543         suffixes '.F90' and '.F95'.
1544
1545 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
1546
1547         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1548         in the stack probing loop.
1549
1550 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
1551
1552         * configure.ac: Use .machine power5 not power5x.
1553         * configure: Regenerate.
1554
1555 2005-11-15  Mike Stump  <mrs@apple.com>
1556
1557         * c-decl.c (lookup_name_two): Add.
1558         * c-tree.h (lookup_name_two): Likewise.
1559         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1560         * config/darwin-c.c (darwin_pragma_unused): Likewise.
1561
1562 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
1563
1564         PR rtl-optimization/23392
1565         * regrename.c (enum scan_actions) Add mark_access.
1566         (scan_actions_name): Ditto.
1567         (scan_rtx_reg): Handle mark_access.
1568         (scan_rtx_address): Do nothing for mark_access.
1569         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1570         and regs in REG_INC notes before closing chains for dead regs.
1571         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1572         opening chains for new writes.
1573
1574 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
1575
1576         * c.opt (ffixed-line-length-none): New.
1577
1578 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
1579
1580         * mklibgcc.in: Change contents of eh_dummy.c.
1581
1582 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
1583
1584         * loop.c (scan_loop): Do not insert temporaries for hard registers.
1585
1586 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
1587
1588         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1589         of making syscalls.
1590         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
1591
1592 2005-11-15  Jan Hubicka  <jh@suse.cz>
1593
1594         * invoke.texi (large-unit-insns): Document.
1595         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1596         * params.def (large-unit-insns): New param.
1597
1598 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
1599
1600         PR target/24869
1601         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1602         special register for operand 3.  Reindent constraints to align
1603         them vertically.
1604
1605 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
1606
1607         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1608         -mpopcntb, -mfprnd. Add -mcpu=power5+.
1609         * configure.ac: Add test for FP rounding instructions.
1610         * configure: Regenerate.
1611         * config.in: Regenerate.
1612         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1613         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1614         features enabled.
1615         * config/rs6000/rs6000.opt (mfprnd): New.
1616         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1617         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1618         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1619         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1620         (TARGET_FPRND): New.
1621         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1622         UNSPEC_FRIZ): New.
1623         (btrunc<mode>2): New.
1624         (ceil<mode>2): New.
1625         (floor<mode>2): New.
1626         (round<mode>2): New.
1627
1628 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
1629
1630         * gcc.c (version_compare_spec_function): Use fatal() rather than
1631         abort().
1632
1633         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1634         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1635         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1636         as empty.
1637         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1638         link in crt2.o.
1639
1640         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1641         on -mmacosx-version-min setting.
1642
1643 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
1644
1645         PR 24840
1646         * tree-vrp.c (infer_value_range): Return false if STMT is a
1647         block terminator and its basic block has no successors.
1648
1649 2005-11-14  Mike Stump  <mrs@apple.com>
1650
1651         * config/i386/i386.c (override_options): -masm=intel isn't
1652         supported on darwin.
1653         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1654
1655 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
1656
1657         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1658         vfork after including auto-host.h.
1659
1660 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
1661
1662         PR rtl-optimization/22002
1663         * combine.c (distribute_notes): Detect cases where a reg dies
1664         two or more times in a bb, including on the insn we are combining,
1665         and place the death note on the correct range.
1666
1667 2005-11-14  Dale Johannesen  <dalej@apple.com>
1668
1669         * expmed.c (store_bit_field):  Add offset unconditionally for
1670         memory targets.
1671         (extract_bit_field):  Don't force extzv or extv operand into
1672         a register if field is too big.
1673
1674 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1675
1676         * config/arm/arm.c (pic_labelno): New.
1677         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1678         LABEL_REF.  Pass only the labelno to PIC insns.
1679         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1680         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1681         * arm.md (UNSPEC_PIC_LABEL): New constant.
1682         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1683         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1684         Use the correct label prefix.
1685
1686 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1687
1688         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1689         REQ_EQUIV note.
1690
1691 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
1692
1693         * loop-invariant.c: Include tm_p.h.
1694         * Makefile.in: Updated.
1695
1696 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1697
1698         * pa.c (store_reg): Revise generation of frame notes in large frames.
1699         (set_reg_plus_d): Likewise.
1700
1701 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
1702
1703         PR tree-optimization/24709
1704         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1705         loop check.
1706
1707 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1708
1709         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1710         and duplicate declaration of pthread_self.
1711
1712 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
1713             Ian Lance Taylor  <ian@airs.com>
1714
1715         PR middle-end/24003
1716         * calls.c (expand_call): If TARGET is a MEM and some part of the
1717         argument area has been saved, force TARGET to a register.
1718
1719 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
1720
1721         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1722         checking.
1723
1724 2005-11-13  Jason Merrill  <jason@redhat.com>
1725
1726         PR c++/22489
1727         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1728         lazily declared methods.
1729         (force_decl_die): Stop if forcing out the context already make a
1730         DIE for the decl.
1731         (force_type_die): Likewise.
1732
1733 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
1734
1735         PR middle-end/24820
1736         * builtins.c (integer_valued_real_p): Add break in
1737         REAL_CST having TREE_OVERFLOW set.
1738
1739 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
1740
1741         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1742         addressing modes during calculation of costs.
1743
1744 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
1745
1746         * function.c (assign_stack_local_1): Restrict sanity check
1747         on frame size overflow to 32-bit and above platforms.
1748
1749 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1750
1751         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1752         * config/cris/cris.c: Include reload.h.
1753         (cris_initial_elimination_offset): New function.
1754         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1755         Prototype.
1756
1757 2005-11-12  Richard Guenther  <rguenther@suse.de>
1758
1759         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1760
1761 2005-11-12  Jan Hubicka  <jh@suse.cz>
1762
1763         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1764         to compare against 0 when possible.
1765
1766 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
1767
1768         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1769         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1770         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1771         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1772         in the new order.
1773
1774 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1775
1776         * recog.c (constrain_operands) <case 'g'>: For a match, require
1777         that a non-register matches general_operand when strict >= 0.
1778
1779 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1780
1781         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1782         previous checkin.
1783
1784 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1785
1786         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1787         (memory_address_same): New.
1788         (dse_optimize_stmt): Call memory_address_same.
1789
1790 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1791
1792         PR middle-end/24750
1793         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1794         ZERO_EXTEND>: New cases.
1795
1796 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1797
1798         * longlong.h (__clz_tab): Always provide.
1799
1800 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1801
1802         PR 24265
1803         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1804         can be assigned to.
1805         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1806         before check_maybe_invariant.
1807         (move_invariant_reg): Use gen_move_insn instead of replacing
1808         SET_DEST with the temporary for the invariant.
1809         (move_loop_invariants): If checking is enabled, do internal
1810         consistency checks after completing the pass.
1811
1812 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
1813
1814         PR 24644
1815         * common.opt (Wvolatile-register-var): New.
1816         * varasm.c (make_decl_rtl): Only emit warning when option
1817         specified.  Clarify warning message.
1818         * doc/invoke.texi (Wvolatile-register-var): Document new option.
1819
1820         * doc/md.texi (copysign): Document standard named pattern.
1821
1822 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
1823
1824         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1825         bytes when align is 2.
1826         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1827         by the first instruction of the loop.
1828
1829 2005-11-11  Jason Merrill  <jason@redhat.com>
1830
1831         PR c++/24686
1832         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1833         the cleanup list.
1834
1835 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
1836
1837         PR rtl-optimization/22509
1838         * local-alloc.c (memref_used_between_p): Check whether a function call
1839         could not reference the memref.
1840
1841 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
1842
1843         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1844         algorithm so as to choose the best, not the worst, alternative.
1845         Reset accumulated register class before processing next alternative.
1846
1847 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1848
1849         PR target/24445
1850         * calls.c (expand_call): Copy a return value to a plain register
1851         if needed.
1852
1853 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
1854
1855         PR target/24778
1856         * varasm.c (assemble_name): Recompute name only for transparent
1857         aliases.
1858
1859 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
1860
1861         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1862
1863 2005-11-04  Jeff Law  <law@redhat.com>
1864
1865         PR middle-end/23181
1866         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1867         perform reassociation if the parent statement will not die as
1868         a result of the optimization.
1869
1870 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
1871
1872         * tree-ssa-alias.c (compute_may_aliases): Remove call to
1873         delete_old_heap_vars.
1874         * tree-dfa.c (referenced_var_remove): Remove function.
1875         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1876         (delete_tree_ssa): Remove call to delete_old_heapvars.
1877         Add call to delete_alias_heapvars.
1878         * tree-flow.h (referenced_var_remove): Remove prototype
1879         (init_alias_heapvars): New prototype.
1880         (delete_alias_heapvars): Ditto.
1881         * Makefile.in (tree-ssa-structalias.o): Add
1882         gt-tree-ssa-structalias.o
1883         (GTFILES): Add tree-ssa-structalias.h and
1884         tree-ssa-structalias.c.
1885         (s-gtype): Add gt-tree-ssa-structalias.h.
1886         * tree-ssa-structalias.c (heapvars): Remove.
1887         (oldheapvars): Remove.
1888         (heapvar_for_stmt): New variable.
1889         (heapvar_lookup): New function.
1890         (heapvar_insert): Ditto.
1891         (get_constraint_for): See if we have an old heapvar
1892         to reuse.
1893         (init_alias_heapvars): New function.
1894         (delete_alias_heapvars): Ditto.
1895         Add include of gt-tree-ssa-structalias.h.
1896
1897 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1898
1899         PR middle-end/22127
1900         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1901
1902 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1903
1904         * tree.c (int_fits_type_p): Only look at the base type
1905         if it has the same precision as the original type.
1906
1907 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
1908
1909         PR other/4372
1910         * varasm.c (assemble_alias): Use %q+D in the error
1911         message instead of %J and %qD.
1912
1913 2005-11-10  Richard Guenther  <rguenther@suse.de>
1914
1915         * gcse.c (free_ldst_entry): Only free hashtable if
1916         it exists.
1917
1918 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1919
1920         * function.c (assign_stack_local_1): Issue an error message if
1921         the frame size overflows in the signed target arithmetics.
1922
1923 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1924
1925         * tree.c (build_qualified_type): Chain the new type to the original
1926         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1927         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1928         (build_pointer_type_for_mode): Only return unqualified types.
1929         (build_reference_type_for_mode): Likewise.
1930
1931 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
1932
1933         * Makefile.in (gnucompare): Do comparison of all files using one of
1934         the chosen methods and only afterwards decide if just warning should
1935         be issued or comparison failure raised.
1936
1937 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1938
1939         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1940         (noce_try_abs): Negate if the comparison is reversed.
1941         Look only one instruction backwards for a REG_EQUAL note.
1942
1943 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1944
1945         PR other/4372
1946         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1947         gthr-tpf.h: Define __gthrw.  For all identifiers that might
1948         be weak, introduce weakrefs or non-weak aliases with __gthrw,
1949         and prefix all uses with __ghtrw.
1950
1951 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1952
1953         PR other/4372
1954         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1955         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
1956         * c-common.c (handle_weakref_attribute): New.
1957         (c_common_attribute_table): Add weakref.
1958         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1959         in the assembler.
1960         * configure, config.in: Rebuilt.
1961         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1962         * doc/extend.texi: Document weakref attribute.
1963         * varasm.c (ultimate_transparent_alias_target): New
1964         (assemble_name): Use it.
1965         (weak_finish_1): Split out of...
1966         (weak_finish): ... and deal with weakrefs in...
1967         (weakref_targets): ... new list.
1968         (globalize_decl): Clean up weakref_targets.
1969         (do_assemble_alias): Handle weakrefs.
1970         (finish_aliases_1): Do not reject weakrefs to external symbols.
1971         (assemble_alias): Handle weakrefs.
1972
1973 2005-11-09  Richard Guenther  <rguenther@suse.de>
1974
1975         PR tree-optimization/24716
1976         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1977         t_bool to track results from follow_ssa_edge.
1978
1979 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1980
1981         * final.c (force_source_line): New global variable.
1982         (final_scan_insn): Set it to true instead of clearing last_filename.
1983         (notice_source_line): Return true if force_source_line is true,
1984         unless source info is absent.
1985
1986 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
1987
1988         PR c/24644
1989         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1990         a linkage name for a variable if it a register variable.
1991         * c-decl.c (grokdeclarator): Global register variables
1992         should be set as PUBLIC.
1993
1994 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1995
1996         PR 24624
1997         * config/s390/s390.c (struct s390_frame_layout): New fields
1998         first_save_gpr_slot and last_save_gpr_slot.
1999         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2000         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2001         first_save_gpr and last_save_gpr with the _slot variants.
2002         (s390_register_info): Calculate first_save_gpr_slot and
2003         last_save_gpr_slot using regs_ever_live.
2004
2005 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2006
2007         PR 24623
2008         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2009         for a function containing a landing pad.
2010
2011 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2012
2013         PR 24034
2014         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2015         is live afterwards.
2016
2017 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2018
2019         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2020         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2021
2022 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2023
2024         Add ms2 support
2025         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2026         constants.
2027         (call,load,store): New insn types.
2028         (mem_access, branch_access): Adjust reservation conditions.
2029         (define_delay): Adjust condition.
2030         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2031         type.
2032         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2033         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2034         insn type.
2035         (call_internal, call_value_internal, return_internal,
2036         return_interrupt_internal, eh_return_internal, indirect_jump,
2037         tablejump): Set call insn type.
2038         (blockage, ei, di): Use appropriate unspec const.
2039         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2040         (ms1_get_attr_type): Adjust to give load & store types.
2041         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2042         backwards past a barrier.
2043         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2044         branch scheduling.
2045         (struct branch_info, struct label_info): New.
2046         (ms1_labels): New.
2047         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2048         (ms1_machine_reorg): New.
2049         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2050         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2051         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2052         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2053         (TARGET_MS2): New.
2054
2055 2005-11-09  Per Bothner  <per@bothner.com>
2056             Uros Bizjak  <uros@kss-loka.si>
2057
2058         PR c/24101
2059         * toplev.c (process_options): Initialize debug_hooks early
2060         in case lang_hooks.post_options ends up calling a debug_hook.
2061
2062 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2063
2064         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2065         DBX_REGISTER_NUMBER being contiguous.
2066
2067 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2068             Diego Novillo  <dnovillo@redhat.com>
2069
2070         PR 23046
2071         * tree-vrp.c (register_edge_assert_for): Do not register
2072         always-false predicates.
2073
2074 2005-11-08  Devang Patel <dpatel@apple.com>
2075
2076         PR tree-optimization/23115
2077         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2078         relation.
2079
2080 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2081
2082         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2083         -mcpu=440.
2084
2085 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2086
2087         Fix PR tree-optimization/23382
2088
2089         * tree-ssa-alias.c (compute_may_aliases): Call
2090         delete_old_heap_vars.
2091         * tree-dfa.c (referenced_var_remove): New function.
2092         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2093         * tree-flow.h (referenced_var_remove): Add prototype.
2094         (delete_old_heap_vars): Ditto.
2095         * tree-ssa-structalias.c (heapvars): New variable.
2096         (oldheapvars): Ditto.
2097         (get_constraint_for): Put heap vars on heapvars list.
2098         (delete_old_heap_vars): New function.
2099
2100 2005-11-08  Jason Merrill  <jason@redhat.com>
2101
2102         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2103
2104 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2105
2106         PR target/19340
2107         * reg-stack.c (reg_to_stack): Update register liveness also
2108         for flag_sched2_use_traces.
2109
2110 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2111
2112         PR target/23704
2113         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2114         override prior explicit -mno-powerpc-gfxopt.
2115
2116 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2117
2118         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2119         if the bitsize is zero.
2120         * doc/md.texi (Standard Pattern Names): Document it.
2121
2122         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2123         (TARGET_PASS_BY_REFERENCE): Likewise.
2124
2125 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2126
2127         PR rtl-optimization/24683
2128         * config/i386/i386.c (legitimize_pic_address): If constant operand
2129         to PLUS is too large, put it in a register.
2130
2131 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2132
2133         * configure.ac: Enable checking assembler dwarf2 support for bfin
2134         target.
2135         * configure: Regenerate.
2136
2137 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2138
2139         PR target/24230
2140
2141         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2142         gen_easy_vector_constant_add_self): Delete.
2143         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2144         New.
2145         (output_vec_const_move): Use gen_easy_altivec_constant.
2146         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2147         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2148         (easy_vector_constant_add_self): Rewritten.
2149         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2150         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2151         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2152         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2153         Macroize and adjust for the other changes.
2154
2155 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2156
2157         PR c/24599
2158
2159         * c-typeck.c (build_c_cast): Try using a shared constant, and see
2160         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2161
2162 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
2163
2164         PR rtl-optimization/23567
2165         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2166         (noce_process_if_block): Don't do any optimizations except
2167         if (cond) x = x; if !set_b and write into orig_x may trap
2168         or fault.  Remove the MEM_READONLY_P check.
2169
2170 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
2171
2172         PR 24670
2173         * tree-vrp.c (fix_equivalence_set): New.
2174         (extract_range_from_assert): Call it.
2175
2176 2005-11-05  Ian Lance Taylor  <ian@airs.com>
2177
2178         PR target/22432
2179         * combine.c (apply_distributive_law): Don't distribute across a
2180         vector mode subreg.
2181
2182 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
2183
2184         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2185         config/ms1/ms1.h, config/rs6000/predicates.md,
2186         config/s390/s390.c, params.def, postreload-gcse.c,
2187         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2188         tree-vrp.c, tree.c: Fix comment typos.
2189         * doc/invoke.texi: Fix typos.
2190
2191 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
2192
2193         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2194         for testing whether the data_dependence_relation contains distance
2195         vectors.  Iterate over all distance vectors of the ddr.
2196         * lambda.h: Define a vec of lambda_vector pointers.
2197         * tree-data-ref.c (dump_data_dependence_relation,
2198         dump_data_dependence_direction): Iterate over all distance and
2199         direction vectors of the ddr.
2200         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2201         DDR_DIST_VECTS.
2202         (build_classic_dist_vector, build_classic_dir_vector): Push a set
2203         of distance/direction vectors instead of a single one.
2204         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2205         lambda_vectors with a vec of lambda_vectors.
2206         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2207         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2208         DDR_NUM_DIST_VECTS): New.
2209         * tree-loop-linear.c (gather_interchange_stats): Test for the
2210         existence of distance vectors only after having checked that there
2211         is a dependence.  Iterate over all distance vectors of the ddr.
2212         (linear_transform_loops): Use dump_data_dependence_relation.
2213         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2214         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
2215         distance vectors of the ddr.
2216
2217 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2218
2219         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2220         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2221         IS_INTHANDLER; all callers changed.
2222         (n_regs_saved_by_prologue): Take interrupt handler attributes into
2223         account.
2224         (do_link, do_unlink): New argument ALL; all callers changed.
2225         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2226         If function isn't leaf, save and restore all registers.
2227         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2228         exception handler.
2229
2230 2005-11-05  Jan Hubicka  <jh@suse.cz>
2231
2232         PR rtl-optimization/23490
2233         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2234         max-flow-memory-location): Document.
2235         * flow.c: Include params.h
2236         (MAX_MEM_SET_LIST_LEN): Kill.
2237         (add_to_mem_set_list): Use new param.
2238         * cse.c (cse_basic_block): Replace 1000 by new param.
2239         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2240         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2241         * predict.c (predict_loops): Use new param.
2242         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2243
2244         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2245         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2246         Do not hold memory returned by cgraph_node_name across other call.
2247
2248 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
2249
2250         PR target/23424
2251         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2252         Disable.
2253
2254 2005-11-04  Jeff Law  <law@redhat.com>
2255
2256         PR/21883
2257         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2258         * tree-ssa-dom.c: Include params.h.
2259         (thread_across_edge): If there are too many statements in the
2260         target block, then do not thread through it.
2261         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2262         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2263
2264 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
2265
2266         PR 24627
2267         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2268         TODO_update_ssa instead of TODO_update_ssa_no_phi.
2269
2270 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
2271
2272         PR/18595
2273         * tree-scalar-evolution.c (instantiate_parameters_1,
2274         instantiate_parameters, resolve_mixers): Compute the size of an
2275         expression to be instantiated and give up the instantiation if the
2276         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2277
2278 2005-11-04  Richard Guenther  <rguenther@suse.de>
2279
2280         * tree-flow.h (ref_contains_indirect_ref): Rename to
2281         array_ref_contains_indirect_ref.
2282         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2283         (array_ref_contains_indirect_ref): Make comment match the code
2284         and vice-versa.
2285         (ref_contains_array_ref): Likewise.
2286         * tree-ssa-structalias.c (find_func_aliases): Remove call to
2287         ref_contains_indirect_ref.
2288         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2289         Rename calls to ref_contains_indirect_ref.
2290
2291 2005-11-04 Paul Brook  <paul@codesourcery.com>
2292
2293         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2294         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2295         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2296         * config/arm/arm.md: Use match_operand in peephole input templates
2297         and match_dup in peephole output templates.
2298
2299 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
2300
2301         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2302         __aeabi_uidiv.
2303
2304 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
2305             Daniel Jacobowitz  <dan@codesourcery.com>
2306
2307         * longlong.h (add_ssaaaa): Clobber condition code register
2308         in ARM version.
2309         (sub_ddmmss): Likewise.
2310         (umul_ppmm): Likewise.
2311
2312 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
2313             Paul Brook  <paul@codesourcery.com>
2314             Phil Blundell  <pb@reciva.com>
2315
2316         * configure.ac: Add test for ARM TLS support.
2317         * configure: Regenerated.
2318         * config/arm/arm-protos.h (legitimize_tls_address)
2319         (arm_tls_referenced_p, tls_mentioned_p)
2320         (arm_output_addr_const_extra): New prototypes.
2321         (thumb_legitimize_pic_address): Delete.
2322         * config/arm/arm.c: Include "gt-arm.h".
2323         (enum tls_reloc): New.
2324         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2325         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2326         (arm_call_tls_get_addr, legitimize_tls_address)
2327         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2328         (arm_init_tls_builtins, arm_emit_tls_decoration)
2329         (arm_output_addr_const_extra): New functions.
2330         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2331         (TARGET_HAVE_TLS): Define.
2332         (target_thread_pointer): New.
2333         (arm_override_options): Handle -mtp=.
2334         (legitimize_pic_address): Ignore UNSPECs.
2335         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2336         relative symbols.
2337         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2338         (tls_get_addr_libfunc): New variable.
2339         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2340         (arm_init_builtins): Call arm_init_tls_builtins.
2341         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2342         (arm_encode_section_info): Call default_encode_section_info.
2343         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2344         (enum arm_tp_type): New.
2345         (target_thread_pointer): Add declaration.
2346         (LEGITIMATE_CONSTANT_P): Handle TLS.
2347         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2348         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2349         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2350         * config/arm/arm.md: Add UNSPEC_TLS.
2351         (movsi): Handle TLS.
2352         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2353         non-PIC.
2354         (tls_load_dot_plus_eight): New insn and a peephole to create it.
2355         (load_tp_hard, load_tp_soft): New insns.
2356         * arm.opt: Add -mtp=.
2357         * doc/invoke.texi (ARM Options): Document -mtp.
2358
2359 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
2360
2361         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2362         * config/arm/libunwind.S: Include "lib1funcs.asm".
2363         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2364         (LIB2ADDEH): Add libunwind.S.
2365         (LIB2ADDEHDEP): Add lib1funcs.asm.
2366         * mklibgcc.in: Handle asm files in libgcc_eh.a.
2367
2368 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2369
2370         PR fortran/18452
2371         * gcc/c.opt: Add a -lang-fortran option.
2372         * gcc/c-opts.c: Add a lang_fortran flag.
2373         (c_common_init_options): Handling the -lang-fortran option.
2374         (c_common_handle_option): Add a case for Fortran options in
2375         preprocessing. Remove cases for -ffixed-form and
2376         -ffixed-line-length. Add a case for -lang-fortran.
2377
2378 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
2379
2380         * config/rs6000/rs6000.c: Include params.h
2381         (optimization_options): Set max-grow-copy-bb-insns default to 16.
2382         (bdesc_2arg): Delete vpkuhss and vpkuwss.
2383         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2384         (UNSPEC_VPKUWSS): Delete.
2385         (altivec_vpkuhss): Delete.
2386         (altivec_vpkuwss): Delete.
2387         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2388         final condition.
2389         (neg_eq0<mode>): Remove final condition.
2390         (neg_eq<mode>): Remove condition and split-condition.
2391
2392 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
2393
2394         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2395         Use associated print macros.
2396
2397 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
2398
2399         PR c++/17964
2400         * diagnostic.c (diagnostic_set_info_translated): New function.
2401         (diagnostic_set_info): Use it.  Add comment.
2402         * diagnostic.h (diagnostic_set_info_translated): Declare.
2403
2404 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
2405
2406         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2407         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2408         reference only if 'public' is true.
2409         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2410         emit the .hidden directive only if the indirect reference is public.
2411         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2412         Pass it to dw2_force_const_mem.
2413         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2414         * dwarf2out.c (output_cfi): Adjust calls to above function.
2415         (output_call_frame_info): Likewise.
2416         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2417         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2418
2419 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
2420
2421         PR tree-optimization/24483
2422         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2423         field to elts if possible.
2424
2425 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
2426
2427         PR middle-end/23155
2428         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2429         CONSTRUCTOR.
2430
2431 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
2432
2433         Fix PR tree-optimization/24351
2434
2435         * tree-ssa-structalias.c (struct variable_info): Add
2436         collapsed_into.
2437         (get_varinfo_fc): New function to follow collapsing.
2438         (new_var_info): Set collapsed_to to NULL.
2439         (dump_constraint): Follow collapsing.
2440         (build_constraint_graph): Handle collapsing.
2441         (do_simple_structure_copy): Return false if something bad
2442         happened.
2443         (collapse_rest_of_var): New function.
2444         (do_structure_copy): Collapse if do_simple_structure_copy returns
2445         false.
2446
2447 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
2448
2449         PR middle-end/24589
2450         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2451         expressions to a statement list instead of gimplifying them.
2452
2453 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2454
2455         PR rtl-optimization/23585
2456         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2457         that can't trap plus a constant integer, if the mode has zero size.
2458
2459 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
2460
2461         PR target/24620
2462         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2463         as operand 2.
2464         ("*insv<mode>_reg_extimm"): Likewise.
2465
2466 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
2467
2468         PR c/24329
2469         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2470         c_common_type_for_mode returns an unnamed type.
2471
2472 2005-11-02  Richard Henderson  <rth@redhat.com>
2473
2474         PR target/9350
2475         PR target/24374
2476         * dwarf2out.c (dwarf2out_reg_save_reg): New.
2477         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2478         * function.c (assign_parms): Use calls.internal_arg_pointer.
2479         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2480         code.
2481         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2482         (TARGET_CALLS): Add it.
2483         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2484         * targhooks.c (default_internal_arg_pointer): New.
2485         * targhooks.h (default_internal_arg_pointer): Declare.
2486         * tree.h (dwarf2out_reg_save_reg): Declare.
2487         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2488         * config/i386/i386.c (dbx_register_map): Add return column.
2489         (dbx64_register_map, svr4_dbx_register_map): Likewise.
2490         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2491         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2492         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2493         (ix86_save_reg): Save force_align_arg_pointer.
2494         (ix86_emit_save_regs): Make regno unsigned.
2495         (ix86_emit_save_regs_using_mov): Likewise.
2496         (ix86_expand_prologue): Handle force_align_arg_pointer.
2497         (ix86_expand_epilogue): Likewise.
2498         * config/i386/i386.h: (dbx_register_map): Update.
2499         (dbx64_register_map, svr4_dbx_register_map): Update.
2500         (struct machine_function): Add force_align_arg_pointer.
2501         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2502         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2503         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2504
2505 2005-11-02  Jan Hubicka  <jh@suse.cz>
2506
2507         PR target/23303
2508         * i386.md: Add peep2 for simplyfing array accesses.
2509
2510 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
2511
2512         PR target/24615
2513         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2514         * config/s390/s390.c (s390_decompose_shift_count): New function.
2515         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2516         (print_shift_count_operand): Use s390_decompose_shift_count.
2517         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2518         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
2519
2520 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
2521
2522         PR target/24600
2523         * loop.c (loop_givs_rescan): Use force_operand to expand
2524         complex GIVs.
2525
2526 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
2527
2528         PR 22429
2529         * fold-const.c (build_range_check): Use unsigned when signed
2530         overflow is undefined also.  If etype is subtype, make sure that
2531         the subtraction is in the supertype.
2532
2533 2005-11-02  Richard Henderson  <rth@redhat.com>
2534
2535         PR target/24178
2536         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2537         by MEM_ALIGN.
2538
2539 2005-11-01  Richard Henderson  <rth@redhat.com>
2540
2541         PR 21518
2542         * loop.c (scan_loop): Do not propagate computations to a hard
2543         register destination with SMALL_REGISTER_CLASSES.
2544
2545 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
2546
2547         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2548         costs for MULT inside PLUS or MINUS.
2549
2550 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
2551
2552         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2553         (TRAMPOLINE_SIZE): Round up to 60.
2554         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2555
2556 2005-10-31  James E. Wilson  <wilson@specifix.com>
2557
2558         PR debug/24444
2559         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2560         ifdef.  Put ifdefs around call in gen_subprogram_die.
2561         (compute_frame_pointer_to_cfa_displacement): Likewise.
2562         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2563         not defined.
2564
2565         PR rtl-optimization/17356
2566         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
2567         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2568
2569 2005-10-31  Jan Hubicka  <jh@suse.cz>
2570
2571         PR middle-end/24093
2572         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2573
2574         PR target/20928
2575         * i386.c (legitimize_pic_address): Deal with large immediates.
2576
2577         PR profile/20815
2578         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2579         from symbol names while computing checkup.
2580
2581         PR profile/24487
2582         * predict.c (predict_loops): Do not estimate more than
2583         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2584         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2585
2586 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
2587
2588         PR tree-optimization/19097
2589         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2590
2591 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
2592
2593         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2594
2595 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
2596
2597         PR middle-end/23492
2598         * tree-inline.c (setup_one_parameter): If the init_stmt
2599         is NULL, don't insert the statement.
2600
2601 2005-10-30  Jan Hubicka  <jh@suse.cz>
2602
2603         PR tree-optimization/24172
2604         * tree-inline.c (copy_body_r): Unshare the substituted value first.
2605
2606 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
2607
2608         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2609         constants for hosts with long != 32 bits.
2610
2611 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
2612
2613         PR middle-end/24093
2614         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2615
2616 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
2617
2618         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2619         (TARGET_MS1_16_002): New.
2620         (TARGET_MS1_16_003): New.
2621
2622         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2623         ("*decrement_and_branch_until_zero_no_clobber"): New.
2624         Add corresponding splitter for decrement_and_branch_until_zero
2625         instruction.
2626         Key all decrement_and_branch_until_zero patterns off of
2627         TARGET_MS1_16_003.
2628
2629 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
2630
2631         PR middle-end/24362
2632         * tree-complex.c (extract_component): Treat RESULT_DECL
2633         like the rest of the decls.
2634
2635 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
2636
2637         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2638         indirect call to _mcount if the function needs a static chain.
2639
2640 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
2641             Caroline Tice  <ctice@apple.com>
2642
2643         PR rtl-optimization/24460
2644         * dwarf2out.c (have_switched_text_sections): New boolean variable.
2645         (dwarf2out_switch_text_section): Set it to true instead of
2646         incrementing separate_line_info_table_in_use.
2647         (output_loc_list): Additionally test have_switched_text_sections.
2648         (output_ranges): Likewise.
2649         (dwarf2out_finish): Likewise.
2650         * varasm.c (assemble_start_function): Do not call
2651         insert_section_boundary_note.
2652         (assemble_end_function): If flag_reorder_blocks_and_partition,
2653         switch to the function's section before emitting the .size directive.
2654         * bb-reorder.c (insert_section_boundary_note): Staticify.
2655         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2656         * output.h (insert_section_boundary_note): Delete.
2657
2658 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
2659
2660         PR c/23103
2661         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2662         instead of pointer equality when comparing types.
2663
2664 2005-10-24  James E. Wilson  <wilson@specifix.com>
2665
2666         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2667         add_dependence_list_and_free calls.
2668
2669 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2670
2671         * contrib.texi: Add the names of the LLNL folks who donated
2672         Cray pointer support for gfortran.
2673
2674 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2675
2676         PR tree-optimization/24225
2677         * profile.c (branch_prob): Look from end to start through a
2678         basic block when looking for a locus.
2679
2680 2005-10-24  Richard Henderson  <rth@redhat.com>
2681
2682         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2683         parallel.
2684         (hppa_expand_prologue): Likewise.
2685
2686 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2687
2688         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2689         (NO_DEFERRED_PROFILE_COUNTERS): Define.
2690         * pa.h (NO_PROFILE_COUNTERS): Define.
2691         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2692         (funcdef_nos): New vector to hold label numbers of deferred profile
2693         counters.
2694         (output_deferred_profile_counters): New function.
2695         (hppa_profile_hook): Push label number onto funcdef_nos.
2696         (pa_hpux_file_end): Call output_deferred_profile_counters if
2697         NO_DEFERRED_PROFILE_COUNTERS is false.
2698
2699         * pa-protos.h (get_deferred_plabel): New prototype.
2700         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
2701         Make global.
2702         (output_call): Adjust calls.
2703
2704 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
2705
2706         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2707         peculiarity of GOT/TOC section usage.
2708
2709 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
2710
2711         PR objc/24435
2712          * c-common.c (constant_string_class_name): Add documentation.
2713
2714 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
2715
2716         PR target/23832
2717         * recog.c (peephole2_optimize): Increment peep2_current_count
2718         only when the slot is empty.
2719
2720 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2721
2722         PR ada/23957
2723         * except.c (output_function_exception_table): Call
2724         assemble_external_libcall if we need a personality function.
2725
2726 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2727
2728         PR rtl-optimization/24460
2729         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2730         set the basic block for barriers.
2731
2732 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
2733
2734         * var-tracking.c (vt_initialize): Initialize post.
2735
2736 2005-10-21  Devang Patel  <dpatel@apple.com>
2737
2738         PR/24220
2739         * c-common.c (vector_types_convertible_p): Check vector element type.
2740
2741 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2742
2743         * config/sh/sh.c (prepare_move_operands): Handle the address
2744         constant which is a tls symbolic address plus a constant.
2745
2746 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
2747
2748         PR driver/24473
2749         * gcc.c (main): Use the correct counter for erroring out
2750         about mulitple files.
2751
2752 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
2753
2754         PR target/24465
2755         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2756         use r2 for 64-bit tls .got access.
2757
2758 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
2759
2760         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2761         TRUTH_OR_EXPR.
2762
2763 2005-10-20  Steven Bosscher  <stevenb@suse.de>
2764
2765         PR tree-optimization/24307
2766         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2767
2768 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
2769
2770         PR middle-end/24295
2771         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2772         alias targets.
2773         * varasm.c (find_decl_and_mark_needed): After cgraph global info
2774         is ready, stop marking functions, but still mark variables.
2775
2776 2005-10-20  Richard Guenther  <rguenther@suse.de>
2777
2778         PR c++/24439
2779         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2780         void type operands.
2781
2782 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
2783
2784         PR rtl-optimization/23585
2785         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2786         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
2787         (may_trap_p_1): New predicate extracted from...
2788         (may_trap_p): ... here.  Invoke may_trap_p_1.
2789         (may_trap_or_fault_p): New predicate.
2790         * rtl.h (may_trap_or_fault_p): Declare it.
2791         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2792         instead of may_trap_p.
2793         (steal_delay_list_from_fallthrough): Likewise.
2794         (fill_simple_delay_slots): Likewise.
2795         (fill_slots_from_thread): Likewise.
2796         * function.c (pad_to_arg_alignment): Rework comment about
2797         SPARC_STACK_BOUNDARY_HACK.
2798         * config/sparc/sparc.h: Likewise.
2799
2800 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
2801
2802         * config/s390/s390.c (s390_expand_insv): New.
2803         * config/s390/s390-protos.h (s390_expand_insv): Declare.
2804         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2805         ("icm_hi"): Remove mode attribute.
2806         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2807         Adjust all uses.
2808         ("*extracthi", "*extractqi"): Remove.
2809         (extv<mode>", "*extzv<mode>"): New.
2810         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2811         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2812
2813 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2814
2815         * cfgexpand.c (discover_nonconstant_array_refs_r,
2816         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2817         (tree_expand_cfg): Call discover_nonconstant_array_refs.
2818         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2819         discover_nonconstant_array_refs.
2820
2821 2005-10-19  Steven Bosscher  <stevenb@suse.de>
2822
2823         PR c/23228
2824         * c-decl.c (pop_scope): Don't warn about an unused variable
2825         if it is marked with TREE_NO_WARNING.
2826         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2827         somenow mismatch and olddecl is to be replaced.
2828
2829 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
2830
2831         PR middle-end/23199
2832         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2833         whether registers live on the edge can be saved/restored.
2834
2835 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2836
2837         * config/sh/sh.c (fixup_mova): Skip notes.
2838
2839 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2840
2841         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2842         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2843         (s390_can_eliminate): Handle BASE_REGNUM elimination.
2844         (s390_initial_elimination_offset): Likewise.
2845         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2846         register on TARGET_ZARCH targets.
2847         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2848         (INITIAL_FRAME_POINTER_OFFSET): Remove.
2849         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2850         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2851
2852 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2853
2854         * config/s390/s390.md: Comment describing output modifiers updated.
2855         * config/s390/s390.c (print_operand): Likewise.
2856
2857 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2858
2859         * config/s390/s390.c (override_options): Added check for -mstack-size
2860         64k limitation.
2861         * doc/invoke.texi: Mention that limit in the documenation.
2862
2863 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
2864
2865         PR #19672
2866         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2867
2868 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
2869
2870         Fix PR tree-optimization/24231
2871
2872         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2873         (compute_avail): Ditto.
2874
2875 2005-10-18  Richard Henderson  <rth@redhat.com>
2876
2877         PR target/24428
2878         * config/i386/i386.c (legitimate_constant_p): Check
2879         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
2880         if LABEL_REF.
2881         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2882         (legitimate_pic_address_disp_p): Reorg CONST checking to make
2883         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
2884         directly.
2885         (print_operand_address): Likewise.
2886         * config/i386/predicates.md (x86_64_immediate_operand): Test
2887         SYMBOL_REF_TLS_MODEL properly inside CONST.
2888         (x86_64_zext_immediate_operand): Likewise.
2889         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2890         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2891         * config/i386/i386-protos.h: Remove predicates.md entries.
2892
2893 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
2894
2895         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2896         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2897
2898 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
2899             Ian Lance Taylor <ian@airs.com>
2900
2901         PR middle-end/23522
2902         * fold-const.c (fold_widened_comparison): Do not allow range based
2903         constant folding when right operand cannot be unwidened.
2904
2905 2005-10-17  Richard Henderson  <rth@redhat.com>
2906
2907         * builtins.c (expand_builtin_synchronize): Build a new-style asm
2908         with a memory clobber.
2909
2910 2005-10-17  James E Wilson  <wilson@specifix.com>
2911
2912         PR rtl-optimization/17356
2913         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2914         checking for EDGE_EH.
2915
2916 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2917
2918         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2919         the slot on an even boundary for any type with 16-byte alignment.
2920
2921 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
2922
2923         PR target/23424
2924         * md.texi (Modifiers) <%>: Clarify that % doesn't work
2925         after register allocation.
2926
2927 2005-10-17  DJ Delorie  <dj@redhat.com>
2928
2929         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2930         as frame related.
2931
2932 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
2933
2934         PR c++/22551
2935         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2936         overflow flags.
2937
2938 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2939
2940         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2941         to 2 if it's already non-zero.
2942         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2943         is set and warn about it if flag_schedule_insns is 1.
2944
2945 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
2946
2947         * config/crx/crx.md: Compare-and-branch instructions need to
2948         invalidate CC.
2949
2950 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
2951
2952         PR target/24315
2953         * config/i386/i386.md (*pushdi2_rex64 splitter)
2954         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2955         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2956         flow2 pass only when (optimize > 0 && flag_peephole2).
2957
2958 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
2959
2960         PR driver/22544
2961         * gcc.c (have_c): New static variable.
2962         (have_o): Likewise.
2963         (process_command): Remove declation of have_c.
2964         Set have_o to 1 when handling -o.
2965         (main): Add a fatel error if there are multiple
2966         files specified and -o and -c/-S is passed witout
2967         -combine or multiple languages.
2968
2969 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
2970
2971         Fix PR tree-optimization/22444
2972         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2973         Assert that we don't hit something with subvars.
2974         (setup_pointers_and_addressables): Don't add things with subvars,
2975         because we'll already process the subvars for aliasing purposes.
2976
2977 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
2978
2979         PR target/23424
2980         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2981         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2982         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2983         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2984         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2985         swapped, alternatives for the R constraint.
2986
2987         PR middle-end/24341
2988         * builtins.c (get_builtin_sync_mode): Make unlimited
2989         mode_for_size request.
2990
2991 2005-10-15  Richard Henderson  <rth@redhat.com>
2992
2993         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2994         (gimplify_expr): ... here.
2995         (gimplify_compound_lval): Use it in initial scan loop.  Allow
2996         fb_lvalue in base expression.
2997
2998 2005-10-15  Richard Henderson  <rth@redhat.com>
2999
3000         PR 23714
3001         * builtins.c (expand_builtin_trap): Export.
3002         * expr.h (expand_builtin_trap): Declare.
3003         * expr.c (expand_assignment): Emit a trap for integral offsets
3004         from registers that weren't reduced to bitpos.
3005
3006         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3007         (mark_array_ref_addressable): Remove.
3008         * tree-flow.h (mark_array_ref_addressable): Remove.
3009         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3010
3011 2005-10-15  James E Wilson  <wilson@specifix.com>
3012
3013         PR target/24232
3014         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3015         (add_dependence_list_and_free): Likewise.
3016         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3017         call.
3018
3019 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3020
3021         PR 23141
3022         PR 23142
3023         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3024         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3025         anti-range.
3026         (vrp_visit_phi_node): Only prevent infinite iterations when
3027         the previous result and the new result are both VR_RANGEs.
3028
3029 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3030
3031         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3032         function comment.
3033
3034 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3035
3036         PR c/23439
3037         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3038         to initialize loc.
3039
3040 2005-10-14  Per Bothner  <per@bothner.com>
3041
3042         PR preprocessor/21250
3043         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3044
3045 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3046
3047         PR c++/22551
3048         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3049         overflow flags.  Refactor some conditionals.
3050
3051 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3052
3053         PR tree-opt/21304
3054         * tree-dfa.c (add_referenced_var): Only look at decls which
3055         have TREE_CONSTANT or TREE_READONLY set instead of if
3056         !TREE_PUBLIC or !TREE_CONSTANT.
3057
3058 2005-10-13  James E Wilson  <wilson@specifix.com>
3059
3060         * doc/invoke.texi: For -x, add f95-cpp-input.
3061         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3062
3063 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3064
3065         PR tree-optimization/24262
3066         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3067         in loop all the time.
3068
3069 2005-10-12  Richard Henderson  <rth@redhat.com>
3070
3071         PR c/24255
3072         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3073         * function.c (assign_parm_find_data_types): Don't support it.
3074         * print-tree.c (print_node): Likewise.
3075         * c-common.c (handle_transparent_union_attribute): Likewise.
3076         Use build_duplicate_type.
3077         * tree-inline.c (remap_type_1): Split out of remap_type;
3078         properly remap aggregate fields.
3079         (build_duplicate_type): New.
3080         * doc/extend.texi (Variable Attributes): Remove documentation
3081         for transparent_union.
3082
3083 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3084
3085         PR target/24284
3086         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3087         (gen_stack_pointer_dec): Likewise.
3088
3089 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3090
3091         PR middle-end/21275
3092         PR middle-end/21766
3093         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3094         target hook.
3095         (struct cxx): Add adjust_class_at_definition target hook.
3096         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3097         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3098         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3099         hook_void_tree. Add to TARGET_CXX.
3100         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3101         dllimport_flag.
3102         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3103         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3104         instead of attribute. Check for dllexport override.  Warn if
3105         inconsistent dll linkage. Don't lose old dllimport if decl has
3106         had address referenced.   Tweak lookup of dllimport atribute.
3107         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3108         for target specific rules.  Don't add dllimport attribute if
3109         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3110         dllimport attribute.
3111         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3112         * varasm.c (initializer_constant_valid_p): Replace
3113         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3114
3115         PR target/21801
3116         PR target/23589
3117         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3118         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3119         (i[34567]86-*-mingw32*): Likewise.
3120
3121         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3122         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3123
3124         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3125         C++-specific code. Change return value to bool.
3126         (i386_pe_dllimport_p): Likewise.
3127         (associated_type): Simplify and make language-independent
3128         (i386_pe_encode_section_info): Replace override of ambiguous
3129         dllimport symbol refs with a gcc_assert.
3130         (i386_pe_valid_dllimport_attribute_p): Define.
3131         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3132         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3133         i386_pe_adjust_class_at_definition.
3134         * config/i386/winnt-stubs.c: New file. Define stub versions of
3135         lang-specific functions.
3136         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3137         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3138         i386_pe_adjust_class_at_definition.
3139         (i386_pe_valid_dllimport_attribute_p): Declare.
3140         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3141         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3142         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3143
3144         PR target/19704
3145         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3146         dllimport attribute with test of DECL_DLLIMPORT_P.
3147
3148 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
3149
3150         * combine.c (make_extraction): Correct offset computation.
3151
3152 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
3153
3154         * config/cris/t-linux (LIMITS_H_TEST): Define.
3155
3156 2005-10-12  Richard Henderson  <rth@redhat.com>
3157
3158         PR rtl-opt/23324
3159         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3160
3161 2005-10-12  Richard Guenther  <rguenther@suse.de>
3162
3163         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3164
3165 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
3166
3167         PR c++/19964
3168         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3169         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3170         type.
3171
3172 2005-10-12  Richard Guenther  <rguenther@suse.de>
3173
3174         PR c++/23799
3175         * varasm.c (output_constant): Correct typo from previous
3176         patch by DJ.
3177
3178 2005-10-11  Ian Lance Taylor  <ian@airs.com>
3179
3180         PR rtl-optimization/13931
3181         * combine.c: Revert patch of 2003-05-14, and:
3182         (try_combine): Only set elim_i1 and elim_i2 if the destination is
3183         completely killed in the appropriate insn.
3184         (distribute_notes): Don't skip multiple hard register test for
3185         elim_i1 and elim_i2.
3186
3187 2005-10-11  Richard Henderson  <rth@redhat.com>
3188
3189         PR c/24255
3190         * c-typeck.c (convert_for_assignment): Use build_constructor_single
3191         to initialize a transparent union instead of a nop_expr.
3192
3193 2005-10-11  Richard Henderson  <rth@redhat.com>
3194
3195         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3196         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3197         (tree_ssa_dce_loop): Call scev_reset.
3198
3199         PR tree-opt/24300
3200         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3201         * tree-ssa-dce.c: Include cfgloop.h.
3202         (tree_ssa_dce_loop, pass_dce_loop): New.
3203         * tree-pass.h (pass_dce_loop): Declare it.
3204         * passes.c (init_optimization_passes): Use it.
3205
3206 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
3207
3208         PR middle-end/24263
3209         * convert.c (convert_to_real): Revert 2005-10-05 patch.
3210         Only apply the optimization for rounding builtins if the inner
3211         cast is also an extension.
3212
3213 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
3214
3215         PR tree-opt/23946
3216         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3217         mark_new_vars_to_rename instead of update_stmt.
3218
3219 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3220
3221         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3222
3223 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
3224
3225         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3226         for setting MMX register to 0 rather than mmx.
3227
3228 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
3229
3230         PR target/12098
3231         * configure.ac: Move gas check from mips specific case to common case.
3232         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3233         * configure: Regenerate
3234         * doc/install.texi: Update.
3235
3236 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3237
3238         PR target/24284
3239         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3240
3241 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
3242
3243         * gcc.c (do_spec_1): Accept numeric characters in file name
3244         suffixes.
3245
3246 2005-10-10  Nick Clifton  <nickc@redhat.com>
3247
3248         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
3249         describing the deleted arm_gen_rotated_half_load function.
3250
3251 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3252
3253         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3254         __fpscr_values.
3255
3256 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
3257
3258         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3259         gnu_ld assignments.
3260         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3261         (EXTRA_MULTILIB_PARTS): Define.
3262         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3263         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3264         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3265         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3266         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3267         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3268
3269 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
3270
3271         PR tree-optimization/24226
3272         * tree-cfg.c (remove_bb): Clean up unreachable loops.
3273         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3274         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3275         Export.
3276
3277 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3278
3279         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3280
3281 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
3282
3283         PR target/24136
3284         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3285         Rewrite for no need for the early clobber.
3286
3287 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
3288
3289         Merge from csl-arm-branch:
3290         2005-09-07  Paul Brook  <paul@codesourcery.com>
3291         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3292         space to string.
3293
3294         2005-04-30  Paul Brook  <paul@codesourcery.com>
3295         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3296         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3297
3298         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
3299         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3300         (arm_override_options): Use TARGET_AAPCS_BASED.
3301         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3302         (PTRDIFF_TYPE): Use int for AAPCS.
3303         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3304         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3305         (DEFAULT_SHORT_ENUMS): Delete.
3306         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3307
3308         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
3309         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3310         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3311         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3312
3313         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
3314         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3315
3316         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
3317         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3318
3319         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
3320         * config.gcc (arm*-*-linux-gnueabi): Add it.
3321         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3322         redefining it.
3323         (TARGET_OS_CPP_BUILTINS): Likeiwse.
3324         * config/arm/linux-eabi.h: New file.
3325         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3326         (LINUX_TARET_LINK_SPEC): Likewise.
3327         (LINK_SPEC): Use it.
3328         * config/arm/t-linux-eabi: New file.
3329
3330 2005-10-08  Steven Bosscher  <stevenb@suse.de>
3331
3332         PR other/22202
3333         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3334         spaces.
3335         (PARAM_SMS_DFA_HISTORY): Likewise.
3336
3337 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
3338
3339         PR middle-end/23150
3340         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3341         (load_register_parameters): Call it.
3342         (check_sibcall_argument_overlap_1): Likewise.
3343         (store_one_arg): Likewise.
3344
3345 2005-10-07  James E. Wilson  <wilson@specifix.com>
3346
3347         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3348         DImode not VECINT24 for operand 2.
3349
3350         PR target/23644
3351         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3352         -mtune-arch.
3353
3354         PR target/24193
3355         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3356         fr_spill): Use destination_operand for operand 0.
3357
3358 2005-10-07  DJ Delorie  <dj@redhat.com>
3359
3360         * varasm.c (output_constant): Limit error to expanding
3361         conversions.
3362
3363 2005-10-07  Richard Guenther  <rguenther@suse.de>
3364
3365         PR middle-end/24227
3366         * fold-const.c (fold_binary): Fix operand types during folding
3367         of X op (A, Y).  Evaluation order of the side-effects of
3368         X and A are frontend-defined, so ensure we honour that even for
3369         tcc_comparison class operands; eased by removing duplicate code.
3370
3371 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
3372
3373         * stor-layout.c (layout_type): Do not allow alignment of array
3374         elements to be greater than their size.
3375
3376 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
3377
3378         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3379         host_xmake_file.
3380         (hppa*-*-linux*): Ditto.
3381         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3382         * config/host-hpux.c: New.
3383         * config/x-hpux: New.
3384         * config/pa/x-hpux: Remove.
3385         * config/pa/x-linux: Remove.
3386         * config/pa/pa-host.c: Remove.
3387
3388 2005-10-07  Jeff Law  <law@redhat.com>
3389
3390         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3391         determine whether or not to try and thread outgoing edges.
3392
3393 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
3394
3395         * config/rs6000/rs6000.md (eqsi_power): New.
3396         (neg_eq0si): Add TARGET_POWER to final condition.
3397         (neg_eqsi): Same.
3398
3399 2005-10-06  Richard Henderson  <rth@redhat.com>
3400
3401         * config/rs6000/rs6000.c: Revert last change.
3402
3403 2005-10-06  Richard Henderson  <rth@redhat.com>
3404
3405         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3406         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3407
3408 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
3409
3410         PR middle-end/22216
3411         PR middle-end/23651
3412         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3413         out return_label and naked_return_label.
3414
3415 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
3416
3417         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3418         change.
3419
3420 2005-10-06  Richard Henderson  <rth@redhat.com>
3421
3422         PR tree-opt/22237
3423         * tree-inline.c (declare_return_variable): Handle modify_dest not
3424         being a DECL.
3425
3426 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
3427
3428         Fix PR tree-optimization/22488
3429         * tree-ssa-structalias.c (check_for_overlaps): New function.
3430         (create_variable_info_for): Use it.
3431
3432 2005-10-06  Richard Henderson  <rth@redhat.com>
3433
3434         PR debug/24070
3435         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3436         (dwarf2out_start_source_file): Print it.
3437
3438 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
3439
3440         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3441
3442 2005-10-06  Richard Henderson  <rth@redhat.com>
3443
3444         PR 23706
3445         * mode-switching.c (optimize_mode_switching): Clear transp bit
3446         for block with incomming abnormal edges.
3447
3448         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3449         (fpscr_set_from_mem): Use them.
3450         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3451         (fpscr postinc splitters): Rewrite as peephole2+split.
3452
3453 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
3454
3455         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3456         (eq<mode>_compare): Same.
3457
3458 2005-10-06  Richard Guenther  <rguenther@suse.de>
3459
3460         PR tree-optimization/24238
3461         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3462
3463 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
3464
3465         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3466         here.  Use AC_PATH_PROG for environment variables instead of
3467         test -x.
3468         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
3469         objdump also.
3470         * configure: Regenerated.
3471
3472 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
3473
3474         PR target/23783
3475         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3476         then force it into a register.
3477         (call_value): Likewise.
3478
3479 2005-10-06  Richard Henderson  <rth@redhat.com>
3480
3481         PR 24049
3482         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3483         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
3484         under pass_vectorize.
3485
3486 2005-10-05  Devang Patel  <dpatel@apple.com>
3487
3488         PR Debug/23205
3489         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3490         handling constants. Check NAMESPACE_DECL context for constants.
3491
3492 2005-10-05  Eric Christopher  <echristo@apple.com>
3493
3494         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3495
3496 2005-10-05  Richard Henderson  <rth@redhat.com>
3497
3498         PR 23714
3499         * tree-cfg.c (mark_array_ref_addressable_1): New.
3500         (mark_array_ref_addressable): New.
3501         * tree-flow.h (mark_array_ref_addressable): Declare.
3502         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3503
3504 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
3505
3506         PR middle-end/20606
3507         PR middle-end/24069
3508         * reload.c (subst_reloads): When adding a REG_LABEL to a
3509         jump instruction, also update JUMP_LABEL.
3510
3511 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
3512
3513         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3514         * bb-reorder.c (copy_bb_p): Use it.
3515         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3516
3517 2005-10-05  Richard Henderson  <rth@redhat.com>
3518
3519         PR target/23602
3520         * toplev.c (process_options): Warn about unsupported combinations
3521         of unwind tables and omit-frame-pointer.
3522         * config/i386/i386.c (override_options): Similarly.  Enable
3523         accumulate-outgoing-args if not explicitly disabled.
3524
3525 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
3526
3527         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3528         Handle big endian vs. small endian.
3529         (vec_initv2sf): Handle big endian vs. small endian.
3530         (*vec_extractv2sf_1): Ditto.
3531
3532 2005-10-05  Dale Johannesen  <dalej@apple.com>
3533
3534         * convert.c (convert_to_real):  Don't convert
3535         (float)floor(double d) to floorf((float)d).
3536
3537 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
3538
3539         * config/arm/arm.md (insv): Use gen_int_mode in more places.
3540
3541 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
3542
3543         PR tree-optimization/18587
3544         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3545         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3546         build_vuses): Change to VEC type.
3547         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3548         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3549         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3550         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3551         (get_name_decl): New.  Return DECL_UID of base variable.
3552         (operand_build_cmp): New.  qsort comparison routine.
3553         (operand_build_sort_virtual): New.  Sort virtual build vector.
3554         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3555         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3556         (FINALIZE_BASE): Use get_name_decl.
3557         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3558         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3559         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3560         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3561         direct VEC_* manipulations.
3562         (build_ssa_operands): Call operand_build_sort_virtual.
3563         (copy_virtual_operand, create_ssa_artficial_load_stmt,
3564         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3565         with direct VEC_* manipulations.
3566         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3567         with direct VEC manipulations.
3568
3569 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
3570
3571         PR tree-optimization/21419
3572         PR tree-optimization/24146
3573         PR tree-optimization/24151
3574
3575         * c-typeck.c (readonly_error): Handle USE being lv_asm.
3576         (build_asm_expr): Call it if outputs are read-only.
3577         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3578
3579 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
3580             Paolo Bonzini  <bonzini@gnu.org>
3581
3582         PR target/23809
3583
3584         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3585         enable the instructions and not just the built-ins.
3586         * doc/invoke.texi (x86 Options): Likewise.
3587
3588 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
3589
3590         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3591
3592         * doc/invoke.texi (Option Summary): Correct spelling
3593         of -mmacosx-version-min.
3594
3595 2005-10-04  Devang Patel  <dpatel@apple.com>
3596
3597         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3598         real types.
3599
3600 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
3601
3602         * tree-vect-transform.c (vect_create_epilog_for_reduction):
3603         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3604
3605 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
3606
3607         * config/s390/s390.md ("TDSI","DP"): New mode macros.
3608         ("TE","tg"): New mode attributes.
3609         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3610         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3611         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3612         dword_mode and one for GPRmode.
3613
3614 2005-10-04  Ian Lance Taylor  <ian@airs.com>
3615
3616         PR preprocessor/13726
3617         * c-ppoutput.c (cb_include): Add comments parameter, and print out
3618         any comments passed in.
3619
3620 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3621
3622         * tree.c (annotate_with_file_line): Fix typo.
3623
3624 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3625
3626         PR ada/19382
3627         * builtins.c (fold_builtin_memcmp): When constructing the pointer
3628         type used to access data in the inlined length == 1 case, use
3629         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3630         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3631
3632 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
3633
3634         * config/i386/i386.h (TARGET_FISTTP): Enable also for
3635         TARGET_SSE3 and only for TARGET_80387.
3636         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3637         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3638         Do not depend on TARGET_80387.
3639
3640 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3641
3642         * tree.c (last_annotated_node): Change type to location_t*.
3643         (annotate_with_file_line): Reflect the change of
3644         last_annotated_node type.
3645
3646 2005-10-04  Richard Guenther  <rguenther@suse.de>
3647
3648         PR c/23576
3649         * c-decl.c (grokdeclarator): Don't write to fields
3650         of error_mark_node.
3651
3652 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3653
3654         PR middle-end/23125
3655         * c-decl.c (finish_decl): Use set_user_assembler_name even for
3656         register variables.
3657         * varasm.c (make_decl_rtl): If a register variable does not
3658         have a set user assmbler name, error out.
3659         Decode the asmspec is now name+1 bypassing '*'.
3660
3661 2005-10-04  Steven Bosscher  <stevenb@suse.de>
3662
3663         PR tree-optimization/23049
3664         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3665         of a COND_EXPR is folded before calling fold on the whole rhs of a
3666         conditional assignment.
3667         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3668         document that a COND_EXPR may appear there.
3669
3670 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
3671
3672         PR 23445
3673         * tree-vrp.c (extract_range_from_assert): If the new numeric
3674         range created out of the assertion contradicts the existing
3675         numeric range of the ASSERT_EXPR variable, make the new range
3676         varying.
3677
3678 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3679
3680         * config/sh/sh.c (sh_register_move_cost): Add case for moving
3681         from T_REGS to FP register class.
3682
3683 2005-10-03  Richard Henderson  <rth@redhat.com>
3684
3685         PR 24135
3686         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3687         before creating a new one.
3688
3689 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
3690
3691         * config/rs6000/t-aix43 (LDFLAGS): New.
3692         * config/rs6000/t-aix52 (LDFLAGS): New.
3693
3694 2005-10-03  Ian Lance Taylor  <ian@airs.com>
3695
3696         * gimplify.c (find_single_pointer_decl_1): New static function.
3697         (find_single_pointer_decl): New static function.
3698         (internal_get_tmp_var): For a formal variable, set restrict base
3699         information if appropriate.
3700         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3701         return it.
3702         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3703         (DECL_GET_RESTRICT_BASE): Define.
3704         (SET_DECL_RESTRICT_BASE): Define.
3705         (decl_restrict_base_lookup): Declare.
3706         (decl_restrict_base_insert): Declare.
3707         (struct tree_decl_with_vis): Add based_on_restrict_p field.
3708         * tree.c (restrict_base_for_decl): New static variable.
3709         (init_ttree): Initialize restrict_base_for_decl.
3710         (copy_node_stat): Copy restrict base information.
3711         (decl_restrict_base_lookup): New function.
3712         (decl_restrict_base_insert): New function.
3713         (print_restrict_base_statistics): New static function.
3714         (dump_tree_statistics): Call print_restrict_base_statistics.
3715
3716 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
3717
3718         PR 24142
3719         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3720         case of anti-ranges.
3721
3722 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
3723
3724         PR c/18851
3725         * c-typeck.c (tagged_tu_seen): Rename to ...
3726         (tagged_tu_seen_cache): this and add val field.
3727         (comptypes): Move functional to comptypes_internal
3728         and free tagged_tu_seen.
3729         (comptypes_internal): New function and call comptypes_internal
3730         instead of comptypes. Speed up by sibcalling
3731         tagged_types_tu_compatible_p.
3732         (alloc_tagged_tu_seen): New function
3733         (free_all_tagged_tu_seen_up_to): New function.
3734         (tagged_types_tu_compatible_p): Return the val of the seen two
3735         types.
3736         Add that the two types are the same to tagged_tu_seen_base
3737         if they are and call comptypes_internal instead of comptypes.
3738         <case UNION_TYPE>: Speed up common type where the fields are
3739         in the same order.
3740         (function_types_compatible_p): Call comptypes_internal instead of
3741         comptypes.
3742         (type_lists_compatible_p): Likewise.
3743         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3744
3745 2005-10-02  Matthias Klose  <doko@debian.org>
3746
3747         * doc/invoke.texi: Fix typo and speling error.
3748
3749 2005-10-01  Richard Henderson  <rth@redhat.com>
3750
3751         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3752
3753 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
3754
3755         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3756         using --start-group and --end-group.
3757
3758 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3759
3760         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3761         FIXME note regarding quirky semantics.
3762
3763 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3764
3765         PR 24141
3766         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3767         non-null range as a last resort.
3768
3769 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
3770             Diego Novillo  <dnovillo@redhat.com>
3771
3772         PR 23604
3773         * tree-vrp.c (extract_range_from_assert): For !=
3774         assertions, only build an anti-range if LIMIT is a
3775         single-valued range.
3776
3777 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3778
3779         * arm.md (movqi): On thumb when optimizing, handle loading from
3780         memory by describing this as taking a subreg of a zero-extended load
3781         into an SImode register.
3782         (movhi): Likewise.
3783
3784 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
3785
3786         * reload1.c (merge_assigned_reloads): Do not change any
3787         RELOAD_FOR_OUTPUT_ADDRESS reloads.
3788
3789 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
3790
3791         * Makefile.in (LIPO_FOR_TARGET): Define.
3792         (STRIP_FOR_TARGET): Define.
3793
3794         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3795         before creating new ones.  Do symlinks before creating the actual
3796         targets.
3797
3798         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3799         to work out which multilibs are actually being built.
3800
3801 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
3802
3803         * tree-vect-transform.c, config/ms1/ms1.md,
3804         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3805         Follow spelling conventions.
3806         * doc/invoke.texi, doc/md.texi: Fix typos.
3807
3808 2005-09-30  Andrew Macleod  <amacleod@redat.com>
3809
3810         PR tree-optimization/21430
3811         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3812         use operands, and set stmt pointer if need be.
3813         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3814         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3815         present.
3816
3817 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3818
3819         PR middle-end/24053
3820         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3821
3822 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
3823
3824         * optabs.c (expand_binop): Initialize first_pass_p.
3825
3826 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
3827
3828         PR middle-end/24109
3829         * c-decl.c (c_write_global_declarations_1): If any
3830         wrapup_global_declaration_2 call returned true, restart the loop.
3831
3832 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
3833
3834         Fix PR tree-optimization/24117
3835         * tree-ssa-structalias.c (find_func_aliases): Strip nops
3836         before considering whether to use anyoffset.
3837
3838 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3839
3840         Revert this patch:
3841
3842         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3843
3844         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3845         to order operands.
3846         (swap_commutative_operands_with_target): New.
3847
3848 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3849
3850         PR c/21419
3851         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3852         read-only.
3853
3854 2005-09-29  Steven Bosscher  <stevenb@suse.de>
3855
3856         PR tree-optimization/23911
3857         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3858         and IMAGPART_EXPR too.
3859
3860 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
3861
3862         PR 17886
3863         * expmed.c (expand_shift): Move logic to reverse rotation
3864         direction when  rotating by constants ...
3865         * optabs.c (expand_binop): ... here.
3866         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3867         (ix86_rotrdi3): New pattern.
3868         (rotldi3): Handle 32-bit mode.
3869         (ix86_rotldi3): New pattern.
3870
3871 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
3872
3873         PR target/24102
3874         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3875         check for numbers that need no bit twiddle.
3876
3877 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
3878
3879         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3880         multilib to be built.
3881
3882         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3883         (stage1-start): Delete old libgcc and libunwind before moving
3884         anything into the stage directory.
3885         (stage2-start): Likewise.
3886         (stage3-start): Likewise.
3887         (stage4-start): Likewise.
3888         (stageprofile-start): Likewise.
3889         (stagefeedback-start): Likewise.
3890         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3891         header in tm_file and CPU-specific t-darwin in tmake_file.
3892         (i[34567]86-*-darwin*): Don't change tm_file.
3893         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3894         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3895         shared library stub for target OS version.
3896         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3897         (SHLIB_LINK): Don't make SHLIB_SOLINK.
3898         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3899         (libgcc_s.%.dylib): New.
3900         (LIBGCC): Define.
3901         (install-darwin-libgcc-stubs): New.
3902         (INSTALL_LIBGCC): New append.
3903         * config/i386/darwin-libgcc.10.4.ver: New.
3904         * config/i386/darwin-libgcc.10.5.ver: New.
3905         * config/i386/t-darwin: New.
3906         * config/rs6000/darwin-libgcc.10.4.ver: New.
3907         * config/rs6000/darwin-libgcc.10.5.ver: New.
3908         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3909         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3910
3911 2005-09-28  Paul Brook  <paul@codesourcery.com>
3912
3913         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3914         denormals.
3915
3916 2005-09-28  Richard Guenther  <rguenther@suse.de>
3917
3918         PR tree-optimization/23853
3919         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3920         host_integerp to verify misalignment value.
3921
3922 2005-09-28  Richard Henderson  <rth@redhat.com>
3923
3924         * builtins.c (get_builtin_sync_mode): New.
3925         (expand_builtin_sync_operation): Pass in mode argument.
3926         (expand_builtin_compare_and_swap): Likewise.
3927         (expand_builtin_lock_test_and_set): Likewise.
3928         (expand_builtin_lock_release): Likewise.
3929         (expand_builtin): Update to match.
3930
3931 2005-09-28  Nick Clifton  <nickc@redhat.com>
3932
3933         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3934         formatting.  Add check to PLUS case to ensure that the offset is
3935         within an acceptable range.
3936
3937         * config/v850/v850.md (casesi): Disable the generation of the
3938         switch pattern as it is not being handled properly at the moment.
3939
3940         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3941         for when the high words are identical.
3942
3943 2005-09-27  Richard Henderson  <rth@redhat.com>
3944
3945         * pretty-print.c (pp_base_format): Fix typo for %>.
3946
3947 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
3948             Devang Patel  <dpatel@apple.com>
3949
3950         PR tree-optimization/23625
3951         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3952         LABEL_EXPR, assertion check.
3953
3954 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
3955
3956         * optabs.c (no_conflict_move_test): Check if a result of a
3957         to-be-moved insn would be clobbered by an originally
3958         preceding insn.
3959
3960 2005-09-27  Jeff Law  <law@redhat.com>
3961
3962         * passes.c (init_optimization_passes): Replace copy propagation
3963         passes immediately after DOM with phi-only copy propagation
3964         pases.  Add phi-only copy propagation pass after first DOM pass.
3965         * tree-pass.h (pass_phi_only_copy_prop): Declare.
3966         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3967         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3968         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
3969         to init_copy_prop.  Callers updated.
3970         (do_phi_only_copy_prop): New function.
3971         (pass_phi_only_copy_prop): New pass descriptor.
3972
3973 2005-09-27  Nick Clifton  <nickc@redhat.com>
3974
3975         * libgcc2.c (__popcount_tab): Remove redundant prototype.
3976
3977 2005-09-26  Jason Merrill  <jason@redhat.com>
3978
3979         PR c++/13764
3980         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3981
3982         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3983
3984 2005-09-26  James E Wilson  <wilson@specifix.com>
3985
3986         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3987         copyright.  Add gcc copyright plus libgcc exception.
3988         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
3989         copyright.
3990         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3991
3992 2005-09-26  Jeff Law  <law@redhat.com>
3993
3994         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3995         about when to iterate.
3996
3997 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
3998
3999         PR target/23847
4000         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4001         for __complex__ double in -mcpu=G5 mode.
4002
4003 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4004
4005         PR tree-optimization/23942
4006         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4007         * tree-scalar-evolution.c: Include params.h.
4008         (t_bool): New enum.
4009         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4010         follow_ssa_edge_in_condition_phi_branch,
4011         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4012         Change return type to t_bool.  Use a parameter to limit the size of
4013         trees that are walked before stopping
4014         (analyze_evolution_in_loop): Initialize the limit to 0.
4015         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4016         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4017
4018 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4019
4020         PR middle-end/23831
4021         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4022         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4023
4024 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4025
4026         * combine.c (make_extraction): Check for valid use of subreg.
4027
4028 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4029
4030         PR target/24055
4031         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4032         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4033         ("fist<mode>2_with_temp"): Use only register operands.
4034
4035 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4036
4037         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4038         CALL_INSN_FUNCTION_USAGE.
4039
4040 2005-09-26  Richard Guenther  <rguenther@suse.de>
4041
4042         PR middle-end/15855
4043         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4044         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4045         (ldst_entry): Use the hashtable instead of list-walking.
4046         (find_rtx_in_ldst): Likewise.
4047         (free_ldst_entry): Free the hashtable.
4048         (compute_ld_motion_mems): Create the hashtable.
4049         (trim_ld_motion_mems): Remove entry from hashtable if
4050         removing it from list.
4051         (compute_store_table): Likewise^2.
4052         (store_motion): Free hashtable in case we did not see
4053         any stores.
4054
4055 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4056
4057         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4058         and arg1 if we are passing them to fold_build2.
4059
4060 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4061
4062         PR 23828
4063         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4064         a nested function.
4065
4066 2005-09-25  Richard Henderson  <rth@redhat.com>
4067
4068         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4069         SYMBOL_REF_TLS_MODEL to be correct.
4070
4071 2005-09-24  Richard Henderson  <rth@redhat.com>
4072
4073         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4074         end of function.  Reindent.
4075
4076 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4077
4078         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4079         NEGATE_EXPR/BIT_NOT_EXPR case.
4080
4081 2005-09-24  Richard Henderson  <rth@redhat.com>
4082
4083         * c-common.c (handle_mode_attribute): When not modifying in place,
4084         create subtypes for enumerations.
4085         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4086         * gimplify.c (create_tmp_from_val): Likewise.
4087
4088 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4089
4090         * config/i386/i386.md (*tls_global_dynamic_64,
4091         *tls_local_dynamic_base_64): Add missing mode to call.
4092         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4093
4094 2005-09-24  Jan Hubicka  <jh@suse.cz>
4095
4096         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4097         (cgraph_clone_node): Likewise.
4098         * cgraph.h (cgraph_clone_edge): Update prototype.
4099         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4100         duplicated prototypes; add updating argument.
4101         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4102         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4103         updating profile.
4104         (cgraph_mark_inline_edge): Likewise.
4105         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4106         (cgraph_flatten_node): Likewise.
4107         (cgraph_decide_recursive_inlining): Likewise.
4108         (cgraph_decide_inlining_of_small_function): Likewise.
4109         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4110
4111 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4112             Pete Steinmetz <steinmtz@us.ibm.com>
4113
4114         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4115         (rldic.): Set type to "compare".
4116         (rldicr.): Same.
4117         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4118         mfjmpr for MFCTR/MFLR.
4119         (movdf_hardfloat64): Same.
4120         (movdf_softfloat64): Same.  Correct order of store and move types.
4121         (movti_string): Set type to store_ux/load_ux.
4122         (load_multiple): Set type to load_ux.
4123         (store_multiple): Set type to store_ux.
4124         (movmemsi): Set type to store_ux.
4125         (output_cbranch direct_return): Set type to jmpreg.
4126         (stmw): Set type to store_ux.
4127         (lmw): Set type to load_ux.
4128         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4129         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4130         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4131         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4132         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4133         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4134         (rios1-fpstore): Increase latency to 3.
4135         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4136         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4137
4138 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4139             Andrew Pinski  <pinskia@physics.uc.edu>
4140
4141         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4142         operand2 constraint to "b".
4143         (sync_<fetchop_name>di_internal): Same.
4144         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4145         to "b".
4146         (sync_old_<fetchop_name>di_internal): Same.
4147         (sync_new_<fetchop_name>si_internal): Same.
4148         (sync_new_<fetchop_name>di_internal): Same.
4149
4150 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
4151
4152         PR middle-end/23991
4153         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4154         case, define as macros.
4155
4156         PR rtl-optimization/23837
4157         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
4158         clobber / clobber match between dest and p->first.
4159
4160         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4161         (no_conflict_move_test): Update comments.
4162
4163 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
4164
4165         * doc/install.texi: Update URL for Jacks.
4166         * doc/sourcebuild.texi: Likewise.
4167
4168 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
4169
4170         PR target/24007
4171         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4172         registers when choosing register preferences.
4173         (movdf_hardfloat64): Same.
4174
4175 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
4176
4177         * expmed.c (expand_shift): Don't use the target of the rotate as
4178         target for the first expanded shift insn.
4179         * testsuite/gcc.dg/20050922-1.c: Testcase added.
4180
4181 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
4182
4183         PR tree-optimization/22438
4184         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4185         preserved iv rhs rewriting specially.
4186
4187 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
4188
4189         * tree-data-ref.c (analyze_array_indexes): Only estimate when
4190         estimate_only  is true.
4191         * tree-flow.h (ref_contains_indirect_ref): New prototype.
4192         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4193         tree-ssa-structalias.c
4194         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4195         ref_contains_indirect_ref.
4196         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4197
4198 2005-09-21  DJ Delorie  <dj@redhat.com>
4199
4200         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4201         MASK_PTR_A0D0.
4202         (mn10300_return_in_memory): Support variable size types also.
4203         (mn10300_pass_by_reference): Likewise.
4204         (mn10300_function_value): New.
4205         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4206         (FUNCTION_OUTGOING_VALUE): Likewise.
4207         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4208         * doc/invoke.texi: Document it.
4209
4210 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
4211
4212         PR target/22585
4213         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4214         force integer op1 into register for XFmode compares.
4215
4216 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
4217
4218         PR middle-end/23971
4219         * expmed.c (alg_code): Add alg_impossible.
4220         (alg_hash_entry): Add cost.
4221         (synth_mult): Record alg_impossible in the hash table if
4222         multiplication by a given integer is impossble within the
4223         limit.  Speed up using alg_impossible.
4224
4225 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4226
4227         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4228         argument.  Allow and set any offset if needs_anyoffset is passed
4229         in.
4230         (get_constraint_for): Add argument here too.
4231         Pass it down.
4232         (do_structure_copy): Pass NULL to get_constraint_for.
4233         (handle_ptr_arith): Ditto.
4234         (find_func_aliases): Ditto.
4235
4236 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
4237
4238         PR rtl-optimization/23898
4239         * output.h (get_attr_min_length): Declare.
4240         * final.c (get_attr_length_1): New function, broken out of:
4241         (get_attr_length).
4242         (get_attr_min_length): New function.
4243         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4244         (duplicate_computed_gotos): Likewise.
4245         * genattr.c (insn_min_length): Generate declaration.
4246         * genattrtab.c (min_fn, min_attr_value): New functions.
4247         (make_length_attrs): Generate insn_min_length.
4248
4249 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
4250
4251         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4252
4253 2005-09-20  Richard Henderson  <rth@redhat.com>
4254
4255         PR tree-optimization/24059
4256         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4257         EXPAND_STACK_PARM.
4258
4259 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
4260
4261         * c.opt (fextended-identifiers): New.
4262         * c-opts.c (c_common_handle_option): Handle
4263         -fextended-identifiers.
4264         * doc/cpp.texi: Update documentation of extended identifiers.
4265         * doc/cppopts.texi (-fextended-identifiers): Document.
4266
4267 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
4268
4269         PR tree-optimization/23929
4270         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4271         if expr is NULL.
4272
4273         PR tree-optimization/23818
4274         * tree-stdarg.c (execute_optimize_stdarg): Call
4275         calculate_dominance_info.
4276
4277 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4278
4279         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4280         (analyze_siv_subscript_cst_affine): Add weak SIV test.
4281         (compute_overlap_steps_for_affine_1_2): Use
4282         get_number_of_iters_for_loop.
4283         (analyze_subscript_affine_affine): Check whether difference is
4284         zero first.
4285         Use get_number_of_iters_for_loop.
4286         Check whether overlap occurs outside of bounds.
4287         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4288
4289 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
4290
4291         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4292         base register if possible.
4293
4294 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
4295
4296         PR tree-optimization/18463
4297         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4298         converting it directly is not possible.
4299         (chrec_convert_aggressive): New function.
4300         * tree-chrec.h (chrec_convert_aggressive): Declare.
4301         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4302         Fold chrec conversions aggressively if asked to.
4303         (instantiate_parameters): Modified because of changes in
4304         instantiate_parameters_1.
4305
4306 2005-09-19  Richard Henderson  <rth@redhat.com>
4307
4308         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4309         (reduc_splus_v2df): New.
4310
4311 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
4312
4313         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4314         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
4315
4316 2005-09-19  Richard Henderson  <rth@redhat.com>
4317
4318         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4319         vcondu<SSEMODE12>.
4320
4321 2005-09-19  Richard Henderson  <rth@redhat.com>
4322
4323         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4324         (ia64_expand_dot_prod_v8qi): New.
4325         * config/ia64/ia64-protos.h: Update.
4326         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4327         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4328         sdot_prodv8qi, sdot_prodv4hi): New.
4329         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4330
4331 2005-09-19  Richard Henderson  <rth@redhat.com>
4332
4333         PR 23941
4334         * real.c (exact_real_truncate): Return false if the format cannot
4335         represent the number as a normal.
4336
4337         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4338         for a memory source.
4339
4340 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
4341
4342         * tree-ssa-operands.c (swap_tree_operands): Export.
4343         * tree.h (swap_tree_operands): Declare.
4344         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4345         Call swap_tree_operands.
4346
4347 2005-09-19  Richard Henderson  <rth@redhat.com>
4348
4349         * tree-flow.h (merge_alias_info): Declare.
4350         * tree-ssa-copy.c (merge_alias_info): Export.
4351         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4352         (vect_create_data_ref_ptr): Use create_iv directly.
4353         (vectorizable_load): Use correct types for integer constants.
4354         (vect_generate_tmps_on_preheader): Likewise.
4355         (vect_gen_niters_for_prolog_loop): Likewise.
4356
4357 2005-09-19  Steven Bosscher  <stevenb@suse.de>
4358
4359         PR rtl-optimization/23943
4360         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4361
4362 2005-09-18  Jan Hubicka  <jh@suse.cz>
4363
4364         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4365
4366 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
4367
4368         * varasm.c (output_constant): Do not abort on conversions to union
4369         types between different sizes.
4370
4371 2005-09-18  Richard Guenther  <rguenther@suse.de>
4372
4373         PR middle-end/23944
4374         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4375         fallback.
4376
4377 2005-09-18  Paul Brook  <paul@codesourcery.com>
4378
4379         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4380
4381 2005-09-17  Richard Henderson  <rth@redhat.com>
4382
4383         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4384         * tree-ssa-loop.c (pass_vect_dce): Remove.
4385         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4386         of pass_vectorize.
4387
4388 2005-09-17  Richard Henderson  <rth@redhat.com>
4389
4390         * tree-pass.h (pass_vect_dce): Declare.
4391         * passes.c (init_optimization_passes): Add it.
4392         * tree-flow.h (tree_ssa_dce): Declare.
4393         * tree-ssa-dce.c (tree_ssa_dce): Export.
4394         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4395         (gate_tree_vectorize): ... here.
4396         (pass_vect_dce): New.
4397
4398 2005-09-17  Jan Hubicka  <jh@suse.cz>
4399
4400         * except.c (struct eh_status): Turn region_array into vec.
4401         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4402         convert_from_eh_region_ranges, find_exception_handler_labels,
4403         current_function_has_exception_handlers, assign_filter_values,
4404         build_post_landing_pads, dw2_build_landing_pads,
4405         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4406         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4407         foreach_reachable_handler, can_throw_internal_1,
4408         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4409         region_array.
4410         (duplicate_eh_region_1): Update region_array.
4411         (duplicate_eh_regions): Resize region_array and avoid recomputing.
4412
4413 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
4414
4415         PR middle-end/22067
4416         * expmed.c (expand_mult): Substitute simple register for op0 when
4417         computing max_cost.
4418
4419 2005-09-17  Richard Henderson  <rth@redhat.com>
4420
4421         * expr.c (emit_move_via_integer): Add force argument, pass it on
4422         to emit_move_change_mode.  Update callers.
4423         (emit_move_complex): Pass true to new force argument.
4424         * function.c (expand_function_end): Move expand_eh_return call
4425         earlier.  Merge sub-word complex values into a pseudo before
4426         copying to the return hard register.
4427
4428 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
4429
4430         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4431         between different sizes.
4432
4433 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
4434
4435         PR 23903
4436
4437         * passes.c (init_optimization_passes): Register dump files for
4438         IPA passes first.
4439
4440 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
4441
4442         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4443         * config/s390/s390.c (s390_overlap_p): New function.
4444         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4445         peephole2, "*xc" peephole2): Added overlap check to the peephole2
4446         condition.
4447
4448 2005-09-16  Richard Guenther  <rguenther@suse.de>
4449
4450         * ipa-pure-const.c (static_execute): Free auxiliar information.
4451         * ipa-type-escape.c (discover_unique_type): Free temporary key.
4452         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4453
4454 2005-09-15  DJ Delorie  <dj@redhat.com>
4455
4456         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4457
4458 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4459
4460         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4461         to order operands.
4462         (swap_commutative_operands_with_target): New.
4463
4464 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
4465
4466         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4467         parameter.
4468         Update callers.
4469         (estimate_iters_using_array): New function.
4470         * tree-data-ref.h (estimate_iters_using_array): Prototype
4471         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4472         Use estimate_iters_using_array instead of analyze_array.
4473
4474 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
4475
4476         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4477         as addressable.
4478
4479 2005-09-15  Michael Matz  <matz@suse.de>
4480
4481         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4482
4483 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
4484
4485         PR tree-optimization/23835
4486         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4487         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4488
4489 2005-09-14  Richard Henderson  <rth@redhat.com>
4490
4491         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4492         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4493
4494 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
4495
4496         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4497         in the ARRAY_TYPE case.
4498
4499 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
4500
4501         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4502
4503 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
4504
4505         PR middle-end/22480
4506         * tree-vect-transform.c (vectorizable_operation): Return false for
4507         scalar shift operations and for vector shift operations with
4508         non-invariant shift arguments.  Use scalar tree operand op1 as
4509         a shift operand when vector shift insn pattern uses scalar shift
4510         operand.
4511         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4512
4513 2005-09-14  Olivier Hainque  <hainque@adacore.com>
4514
4515         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4516         value if it has side-effects.
4517
4518 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
4519
4520         PR target/22068
4521         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4522
4523 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
4524
4525         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4526         passed as NAME as if it were label at start of function code.
4527
4528 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
4529
4530         * config/sh/sh.md (*movv4sf_i): Add general register cases to
4531         the constraints.
4532
4533 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
4534
4535         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4536         as early clobber.  Rewrite so the PIC register is not implicitly used.
4537
4538 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4539
4540         * tree.c (annotate_with_file_line): Compare line numbers before
4541         file names.
4542
4543 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
4544
4545         PR target/23816
4546         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4547         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4548
4549 2005-09-13  Ian Lance Taylor  <ian@airs.com>
4550
4551         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4552         than a HOST_WIDEST_INT to gen_doloop_begin.
4553
4554 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
4555
4556         * tree-dfa.c (dump_variable): Guard against NULL annotations.
4557
4558 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
4559
4560         PR tree-optimize/23817
4561         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4562
4563 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
4564
4565         PR target/23774
4566         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4567         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
4568         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4569         (restore_stack_nonlocal): Likewise.
4570         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4571
4572 2005-09-12  Ian Lance Taylor  <ian@airs.com>
4573
4574         PR g++/7874
4575         * c.opt (ffriend-injection): New C++ option.
4576         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4577         (C++ Dialect Options): Document -ffriend-injection.
4578
4579 2005-09-12  Josh Conner  <jconner@apple.com>
4580
4581         PR middle-end/23237
4582         * ipa-reference.c (static_execute): Don't mark variables in
4583         named sections TREE_READONLY.
4584
4585 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
4586
4587         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4588         stack_tie.
4589
4590 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
4591
4592         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4593         V_MUST_DEF instead of just the first_use_p.
4594         Don't mark the virtual variables for renaming on the statement which
4595         is being removed.
4596         (pass_dse): Remove TODO_update_ssa.
4597
4598 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
4599
4600         PR middle-end/23290
4601         * stor-layout.c (compute_record_mode): For records with a single
4602         field, actually check the field's mode size against the type size.
4603
4604         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4605         registers for TARGET_SHMEDIA.
4606         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4607         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
4608         of GENERAL_REGS and FP_REGS.
4609
4610 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4611
4612         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4613
4614 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
4615
4616         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4617         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4618         are omitted.  Exclude stack_tie insn too.
4619
4620 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
4621
4622         PR rtl-optimization/23098
4623         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4624         0.0f is easy.
4625         * config/rs6000/rs6000.md (movdf splitter): Use
4626         const_double_operand predicate for TARGET_POWERPC64.
4627         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4628         SYMBOL_REF method to ABI_V4.
4629
4630         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4631         replace_equiv_address.
4632         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4633         rs6000_sr_alias_set and MEM_NOTRAP.
4634         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4635
4636 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
4637
4638         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4639         handle CALL_EXPR again.
4640
4641 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4642
4643         * arm/predicates.md (alignable_memory_operand): Delete.
4644
4645 2005-09-10  Richard Henderson  <rth@redhat.com>
4646
4647         PR debug/23806
4648         * dbxout.c (dbxout_expand_expr): New.
4649         (dbxout_symbol): Use it.
4650
4651 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
4652
4653         * arm.c (arm_gen_rotated_half_load): Delete.
4654         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4655         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4656         (thumb_set_return_address): Likewise.
4657         (thumb_load_double_from_address): Use adjust_address.
4658         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4659         (extendhsisi2_mem, movhi_bytes): Use change_address.
4660         (movhi): Use widen_memory_access.
4661         (reload_out_df): Use replace_equiv_address.
4662         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4663
4664 2005-09-09  Richard Henderson  <rth@redhat.com>
4665
4666         PR debug/20998
4667         * dbxout.c: Include expr.h.
4668         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4669         (dbxout_symbol): Handle DECL_VALUE_EXPR.
4670         * Makefile.in (dbxout.o): Add EXPR_H.
4671
4672 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
4673
4674         PR tree-optimization/23509
4675         * tree-cfg.c (replace_uses_by): Use replace_exp.
4676         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4677         pointers have name_mem_tag or type_mem_tag set.
4678
4679 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4680
4681         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4682         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4683         of wrongly accessing operands.
4684
4685 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4686
4687         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4688         * tree-chrec.c: Include tree-scalar-evolution.h.
4689         (chrec_convert): Instantiate the base and step before calling
4690         scev_probably_wraps_p that would fail on parametric evolutions.
4691         Collect all the fails into a single section failed_to_convert,
4692         print a diagnostic, and return chrec_dont_know instead of calling
4693         fold_convert.
4694         * tree-scalar-evolution.c (loop_closed_phi_def): New.
4695         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4696         phi nodes.
4697         (scev_const_prop): Don't replace the definition of a loop closed ssa
4698         phi node by itself, or by another loop closed ssa phi node.
4699         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4700         that base and step are defined.
4701
4702 2005-09-09  Richard Guenther  <rguenther@suse.de>
4703
4704         PR c++/23624
4705         * fold-const.c (fold_ternary): Check truth_value_p before
4706         calling invert_truthvalue.
4707
4708 2005-09-09  Nick Clifton  <nickc@redhat.com>
4709
4710         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4711         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4712         dimension of these arrays.
4713         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4714         these arrays.
4715         * longlong.h: Only provide a prototype for the __clz_tab[] array
4716         if this header has not been included from libgcc2.h.
4717         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4718         defining own types.
4719         Provide prototypes for exported functions.
4720         Use the __clz_tab[] and __popcount_tab[] arrays provided by
4721         libgcc2.c.
4722
4723 2005-09-08  Josh Conner  <jconner@apple.com>
4724
4725         PR c++/21135
4726         PR c++/23180
4727         * expr.c (expand_expr_addr_expr_1): Don't invoke
4728         expand_simple_binop for EXPAND_INITIALIZER.
4729
4730 2005-09-08  Richard Henderson  <rth@redhat.com>
4731
4732         PR debug/23190
4733         * toplev.c (wrapup_global_declaration_1): Split out ...
4734         (wrapup_global_declaration_2): ... from ...
4735         (wrapup_global_declarations): ... here.  Return bool.
4736         (check_global_declaration_1): Split out ...
4737         (check_global_declarations): from here.
4738         (emit_debug_global_declarations): New.
4739         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4740         check_global_declaration_1, emit_debug_global_declarations): Declare.
4741         * c-decl.c (c_write_global_declarations_1): Don't create a vector
4742         of decls.  Call wrapup_global_declaration_1,
4743         wrapup_global_declaration_2, check_global_declaration_1 directly.
4744         (c_write_global_declarations_2): New.
4745         (ext_block): New.
4746         (c_write_global_declarations): Call c_write_global_declarations_2.
4747         * langhooks.c (write_global_declarations): Call
4748         emit_debug_global_declarations.
4749
4750         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4751         remove decls that have DECL_RTL_SET_P.
4752         * passes.c (rest_of_decl_compilation): Invoke
4753         cgraph_varpool_finalize_decl for all but functions.
4754
4755 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4756
4757         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4758         the result of a conversion if the new min and max cannot be compared.
4759
4760 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
4761
4762         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4763         (override_options): Setting s390_sr_alias_set removed.
4764         (save_fpr, save_gprs): Set alias set to vararg or frame.
4765         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4766         s390_sr_alias_set with get_frame_alias_set ().
4767         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4768         get_varargs_alias_set ().
4769
4770 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4771
4772         PR objc/20574
4773         PR objc/19324
4774         * c-parser.c (c_parser_objc_method_definition): If the next
4775         token is not "{", error out and don't start the function.
4776
4777 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4778
4779         * tree-vrp.c (extract_range_from_expr): Move the check for non
4780         nullness after the check for gimple invariant.
4781
4782 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4783
4784         * tree.c (host_integerp, tree_low_cst): Correct function comment.
4785
4786 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4787
4788         PR target/23747
4789         * config/m32r.md (movmemsi_internal): Canonicalize order of
4790         operands in PLUS component of template.
4791
4792 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4793
4794         * reload1.c (fixup_eh_region_note): Remove assertion.
4795         (fixup_abnormal_edges): Reverted removal of call to
4796         find_many_sub_basic_blocks made on 2005-08-31.
4797
4798 2005-09-07  Richard Henderson  <rth@redhat.com>
4799
4800         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4801         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4802         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4803         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4804         rearrange for better packing.
4805         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4806         (lookup_cfa_1): Remove inline marker.
4807         (cfa_equal_p): Split out of ...
4808         (def_cfa_1): ... here.  Use INVALID_REGNUM.
4809         (build_cfa_loc): Handle !cfa->indirect.
4810         (frame_pointer_cfa_offset): New.
4811         (dbx_reg_number): Assert register elimination performed; do
4812         leaf register remapping.
4813         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4814         (eliminate_reg_to_offset): New.
4815         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
4816         for verifiably local stack frame addresses; re-base to CFA.
4817         (mem_loc_descriptor): Remove can_use_fbreg argument.
4818         (concat_loc_descriptor, loc_descriptor): Likewise.
4819         (containing_function_has_frame_base): Remove.
4820         (rtl_for_decl_location): Don't do register elimination or
4821         leaf register remapping here.
4822         (secname_for_decl): Split out from ..
4823         (add_location_or_const_value_attribute): ... here.
4824         (convert_cfa_to_loc_list): New.
4825         (compute_frame_pointer_to_cfa_displacement): New.
4826         (gen_subprogram_die): Use them.
4827         * tree.h (frame_base_decl): Remove.
4828         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4829         (prologue_stack_adjust): Remove.
4830         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4831         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4832         (set_frame_base_location): Remove.
4833         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4834         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4835         (vt_add_function_parameters): Don't eliminate_regs.
4836         (vt_initialize): Don't create frame_base_decl.
4837
4838 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4839
4840         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4841         version of GNU binutils for 4.x and later.
4842
4843 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
4844
4845         * ggc-page.c (ggc_push_context): Remove.
4846         (ggc_pop_context): Likewise.
4847         * ggc.h (ggc_push_context): Remove.
4848         (ggc_pop_context): Likewise.
4849
4850 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4851
4852         PR target/8973
4853         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4854         returning from an interrupt handler.
4855
4856 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4857
4858         PR target/8972
4859         * config/arc/arc.c (output_shift): Add check for loop count when
4860         optimizing.
4861
4862 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4863
4864         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4865         form manually.
4866         (abs_replacement): Likewise.
4867         (pass_phiopt): Remove TODO_update_ssa.
4868
4869 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4870
4871         PR c/23075
4872         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4873         if "return with no value, in function returning non-void" warning
4874         has been issued.
4875         * tree-cfg.c (execute_warn_function_return): Don't look at
4876         RETURN_EXPRs with TREE_NO_WARNING set.
4877
4878         PR target/22362
4879         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4880         for internal functions doesn't use registers used by global registers
4881         variables.  Use fewer register parameters if there are global register
4882         variables.
4883
4884 2005-09-06  Olivier Hainque  <hainque@adacore.com>
4885             Eric Botcazou  <ebotcazou@adacore.com>
4886
4887         PR middle-end/14997
4888         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4889         when we would be extracting outside its bit span (bitpos+bitsize
4890         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4891         Ada unchecked conversions.
4892
4893 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4894
4895         * tree-ssa-pre.c (try_look_through_load): New function.
4896         (compute_avail): Use it to try to look through loads for some
4897         more useful expressions.
4898
4899 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4900
4901         * simplify-rtx.c (simplify_binary_operation_1): Correct the
4902         condition for detecting cases like (a&a) and (a^a).
4903
4904 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
4905
4906         * common.opt: Add option ftree-vect-loop-version.
4907         * params.def: Add --param vect-max-version-checks.
4908         * doc/invoke.texi: Document ftree-vect-loop-version and
4909         --param vect-max-version-checks.
4910         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4911         may_misalign_stmts and defines for accessors.
4912         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4913         LOOP_VINFO_MAY_MISALIGN_STMTS.
4914         (destroy_loop_vec_info): VEC_free for
4915         LOOP_VINFO_MAY_MISALIGN_STMTS.
4916         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4917         Update documentation.
4918         (vect_update_misalignment_for_peel): New.
4919         (vect_enhance_data_refs_alignment): Update to choose loop
4920         peeling or loop versioning if appropriate for the (potentially)
4921         unaligned data references in the loop.
4922         (vect_analyze_data_refs_alignment): Remove call to
4923         vect_enhance_data_refs_alignment so the checks can be done
4924         earlier.
4925         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4926         and move up call to vect_analyze_data_refs_alignment.
4927         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4928         (vect_transform_loop): Add call to loop_version.
4929
4930 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4931
4932         PR rtl-optimization/23098
4933         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4934         * simplify-rtx.c (constant_pool_reference_p): New function.
4935         * rtl.h (constant_pool_reference_p): New prototype.
4936         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4937         constant_pool_reference_p in condition and
4938         avoid_constant_pool_reference in preparation statements.
4939
4940 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
4941
4942         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4943         STRICT_LOW_PART SETs.
4944
4945 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
4946
4947         PR middle-end/21460
4948         * except.c (sjlj_emit_function_enter): Find the function begin
4949         note even when it's not in first basic block.
4950
4951 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
4952
4953         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
4954         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4955         * aclocal.m4: Regenerate.
4956
4957 2005-09-05  DJ Delorie  <dj@redhat.com>
4958
4959         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4960         of macro.
4961
4962 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
4963
4964         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4965         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4966         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4967         Follow spelling conventions.
4968         * doc/invoke.texi: Follow spelling conventions.
4969
4970 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4971
4972         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4973         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4974         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4975
4976 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4977
4978         PR target/23683
4979         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4980         (output_stack_adjust): Use gen_tmp_stack_mem.
4981         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4982         (sh_set_return_address, sh_allocate_initial_value): Likewise.
4983         (sh_get_pr_initial_val): Likewise.
4984         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4985         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
4986         * sh.md (divsi_inv_m0): Use gen_const_mem.
4987         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4988         (movdf_i4+1): Use gen_tmp_stack_mem.
4989         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4990         (fpu_switch+2): Likewise.
4991         (movv4sf_i, movv16sf_i): Use adjust_address.
4992         (symGOT_load): Set MEM_NOTRAP_P bit.
4993
4994 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4995
4996         PR target/23721
4997         * pa.c (emit_move_sequence): Fix typo in last change.
4998
4999 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5000
5001         PR rtl-optimization/23454
5002         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5003         is true.
5004
5005 2005-09-03  Richard Henderson  <rth@redhat.com>
5006             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5007
5008         PR middle-end/23671
5009         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5010         gen_rtx_MEM.
5011
5012 2005-09-02  Nicolas Pitre <nico@cam.org>
5013
5014         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5015         to bit_count to 32 bits.
5016
5017 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5018
5019         PR c++/23167
5020         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5021         generating synthetic loads from volatile lvalues.
5022
5023 005-09-02  Nick Clifton  <nickc@redhat.com>
5024
5025         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5026         __ctzhi2, __clzhi2): New functions.
5027
5028 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5029
5030         PR middle-end/23547
5031         * tree-nested.c (struct var_map_elt): Mark with GTY.
5032         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5033         var_map_elt.
5034         (lookup_field_for_decl): Allocate new element in GC memory.
5035         (lookup_tramp_for_decl): Likewise.
5036         (convert_nl_goto_reference): Likewise
5037         (create_nesting_tree): Allocate info in GC memory. Likewise for
5038         info->var_map.
5039         (free_nesting_tree): Free with ggc_free instead of free.
5040         (root): New static variable.
5041         (lower_nested_functions): Remove root as local variable.  And zero out
5042         root at the end of the function.
5043
5044 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5045
5046         PR rtl-optimization/20365
5047         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5048         to short.  New member ix.
5049         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5050         (simplify_plus_minus): Initialize ix members before calling qsort.
5051
5052 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5053
5054         PR tree-optimization/23626
5055         * tree-cfg.c (replace_uses_by): Clean up eh info.
5056
5057 2005-09-01  DJ Delorie  <dj@redhat.com>
5058
5059         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5060         fprintf.
5061
5062 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5063
5064         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5065         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5066         gen_rtx_MEM.
5067
5068 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5069
5070         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5071         do not issue warning for a variable definition following
5072         a declaration.
5073
5074 2005-09-01  Richard Henderson  <rth@redhat.com>
5075
5076         PR 23668
5077         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5078         conversion to CONST_VECTOR.
5079
5080 2005-09-01  Richard Henderson  <rth@redhat.com>
5081
5082         PR 23676
5083         * reload1.c (reload_as_needed): Check !CALL_P before calling
5084         fixup_eh_region_note.
5085         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5086
5087 2005-09-01  DJ Delorie  <dj@redhat.com>
5088
5089         * varasm.c (output_constant): Let the target resolve
5090         conversions of addresses to non-default pointer sizes.
5091
5092 2005-09-01  Nicolas Pitre <nico@cam.org>
5093
5094         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5095         to alow matching ARM pre-indexed addressing mode.
5096         (arm_override_options): Remove now irrelevant comment.
5097
5098 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5099
5100         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5101         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5102         * config/i386/vxworks.h:  Likewise.
5103         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5104         * config/i386/vxworksae.h:  Likewise.
5105
5106 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5107
5108         PR tree-optimization/23410
5109         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5110         sequence is not wrapping during the first step.
5111
5112 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5113
5114         PR debug/7241
5115         * dwarf2out.c (base_type_die): Compare char_type_node with
5116         TYPE_MAIN_VARIANT (type), not type.
5117
5118 2005-09-01  Richard Guenther  <rguenther@suse.de>
5119
5120         PR tree-optimization/15366
5121         * common.opt: Add -finline-functions-called-once.
5122         Put -fearly-inlining in alphabetically ordered place.
5123         * doc/invoke.texi: Document new option.
5124         * ipa-inline.c (cgraph_decide_inlining): Honour
5125         flag_inline_functions_called_once.
5126
5127 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5128
5129         PR rtl-optimization/23478
5130         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5131         (alloc_qty): Initialize it.
5132         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5133         (combine_regs): Combine also n_throwing_calls_crossed fields.
5134         (find_free_reg): Don't attempt to caller-save pseudos crossing
5135         calls that might throw.
5136         * global.c (struct allocno): Add throwing_calls_crossed field.
5137         (global_alloc): Revert 2005-08-22 change.  Initialize
5138         throwing_calls_crossed.
5139         (find_reg): Don't attempt to caller-save pseudos crossing calls that
5140         might throw.
5141
5142 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
5143
5144         PR target/23649
5145         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5146         (mask64_operand): Reinstate code prior to 2005-06-11 change.
5147         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5148         (and64_2_operand): Tweak to use predicate.
5149         (and_operand): Adjust for mask_operand changes.
5150         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5151         (print_operand): Likewise.
5152         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5153         (mask64_1or2_operand): Delete.
5154         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5155         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5156         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5157         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5158         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5159         (rotldi3_internal4): Likewise.
5160         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5161         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5162         (ashldi3_internal7): Likewise.
5163         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5164         (ashldi3_internal, ashldi3_internal9 split): Likewise.
5165         (anddi3 split): Don't match mask64_operand.
5166         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
5167         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
5168         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
5169         't' splitter predicate.
5170         (movdi_internal64 + 2): Revert 2005-06-11 change.
5171
5172 2005-08-31  DJ Delorie  <dj@redhat.com>
5173
5174         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5175         (m32c_asm_integer): Add support for 32 bit pointers.
5176
5177 2005-08-31  Richard Henderson  <rth@redhat.com>
5178
5179         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5180         component-like references for setting MEM_NOTRAP_P.
5181
5182         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5183         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5184
5185 2005-08-31  Richard Henderson  <rth@redhat.com>
5186
5187         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5188         into a pseudo before applying gen_lowpart.
5189
5190 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
5191
5192         * doc/install.texi (Specific): Update cctools version required
5193         for full functionality.
5194         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5195         linkers as -macosx_version_min.
5196
5197 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
5198
5199         PR target/21255
5200         * sh.c (print_operand, %R and %S): Add handling of floating point
5201         registers, memory, constants and invalid operands.
5202
5203 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
5204
5205         * ipa-pure-const.c: Change dump name.
5206
5207 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5208
5209         PR target/23570
5210         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5211         to "reg_or_0_operand".
5212         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5213
5214 2005-08-31  Dale Johannesen  <dalej@apple.com>
5215
5216         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
5217         loops that count down.
5218
5219 2005-08-31  Richard Henderson  <rth@redhat.com>
5220
5221         PR rtl-opt/23601
5222         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5223         (fixup_eh_region_note): New.
5224         (reload_as_needed): Call it.
5225         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5226         don't call find_many_sub_basic_blocks; call verify_flow_info.
5227         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5228         (keep_stack_depressed): Likewise.
5229         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5230
5231 2005-08-31  Richard Henderson  <rth@redhat.com>
5232
5233         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5234         fp return matching.
5235
5236 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
5237
5238         * expr.c (expand_expr_real_1): Compare size of address
5239         mode to target's address mode size in deciding expansion of
5240         the constant address.
5241
5242 2005-08-31  Richard Guenther  <rguenther@suse.de>
5243
5244         PR middle-end/23477
5245         * expr.c (all_zeros_p): New function.
5246         (expand_expr_real_1): Handle the case of an all-zero
5247         non-addressable constructor separately.
5248
5249 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
5250
5251         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5252         arguments, adjust all callers.
5253         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5254
5255 2005-08-30  Richard Henderson  <rth@redhat.com>
5256
5257         PR target/23630
5258         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5259         whenever the mode sizes match.
5260
5261 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
5262
5263         * calls.c (load_register_parameters): Fix comment typo.
5264         * expr.c (emit_push_insn): Comment formatting.
5265
5266 2005-08-30  Ian Lance Taylor  <ian@airs.com>
5267
5268         * config/i386/x-cygwin (host-cygwin): Change dependency from
5269         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5270
5271 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
5272
5273         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5274         parts of 'vals'.
5275
5276 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
5277
5278         PR middle-end/23408
5279         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5280         call to ggc_collect.
5281
5282 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
5283
5284         PR bootstrap/21268
5285         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5286         beginning.  Remove $(INCLUDES) from all the rules, if following
5287         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5288
5289 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
5290
5291         PR middle-end/23484
5292         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5293         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5294         not constant, but maxlen is, don't set len to maxlen, rather
5295         set maxlen to len if len is a constant.
5296
5297 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
5298
5299         PR tree-optimization/23475
5300         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5301         and counts.
5302
5303 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
5304
5305         Fix PR middle-end/22455
5306
5307         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5308         Checksum only the parts of the tree that exist for the tree code.
5309
5310 2005-08-28  Dale Johannesen  <dalej@apple.com>
5311
5312         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
5313
5314 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
5315
5316         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5317
5318 2005-08-28  Richard Henderson  <rth@redhat.com>
5319
5320         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5321         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5322         of char_type_node.
5323
5324 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
5325
5326         PR ada/23593
5327         * builtins.c (get_memory_rtx): Don't strip nops
5328         in between COMPONENT_REFs.
5329
5330 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
5331
5332         PR middle-end/23463
5333         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5334         types.
5335         (gimplify_modify_expr): Check for zero sized types and gimplify the
5336         rhs and lhs as statements.
5337
5338 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
5339
5340         PR libgcj/23508
5341         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5342         state for return address column of signal frames.
5343
5344 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
5345
5346         PR target/23539
5347         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5348         bytes >= 2 not bytes == 2.
5349         (expand_block_move): Same.
5350
5351 2005-08-27  Richard Guenther  <rguenther@suse.de>
5352
5353         PR target/23575
5354         * config/i386/sse.md (sse2_movsd): Add missing closing
5355         braces.
5356
5357 2005-08-27  Paul Brook  <paul@codesourcery.com>
5358
5359         * genrecog.c (enum decision_type): Add DT_num_insns.
5360         (struct decision_test): Add u.num_insns.
5361         (add_to_sequence): Add DT_num_insns test.
5362         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5363         (write_cond, debug_decision_2): Ditto.
5364         (change_state): Assume peep2_next_insn never fails.
5365         Remove "afterward" argument.
5366         (write afterward, write_tree): Update to match.
5367         * recog.c (peep2_current_count): New variable.
5368         (peep2_next_insn): Check it.
5369         (peephole2_optimize): Set peep2_current_count.
5370         * recog.h (peep2_current_count): Declare.
5371
5372 2005-08-26  Josh Conner  <jconner@apple.com>
5373
5374         PR middle-end/23584
5375         * ipa-pure-const.c (check_tree): Check for volatile-ness
5376         when considering a dereference.
5377
5378 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
5379
5380         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5381
5382 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
5383
5384         PR rtl-optimization/23561
5385         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
5386         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5387         at most LEN bytes long memory fits into the field.
5388         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5389         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5390         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5391
5392 2005-08-26  Richard Henderson  <rth@redhat.com>
5393
5394         PR rtl-opt/23560
5395         * loop.c (biased_biv_may_wrap_p): New.
5396         (maybe_eliminate_biv_1): Use it to suppress non-equality
5397         comparison transformations.  Delete disabled code.
5398
5399 2005-08-26  Ian Lance Taylor  <ian@airs.com>
5400
5401         * combine.c (make_extraction): Avoid reference outside object.
5402
5403 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
5404
5405         * stor-layout.c (finalize_type_size): Restore behaviour for
5406         non-aggregate types to the status quo ante of the patch for
5407         pr 23467.  Document why it matters.
5408
5409 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
5410
5411         PR c/23506
5412         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5413         array by one element, initialize the BT_LAST element with NULL.
5414
5415 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
5416
5417         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5418         optimizing for size.
5419         (plus_eqsi): Same.
5420         (compare_plus_eqsi): Same.
5421         (plus_eqsi_compare): Same.
5422         (neg_eq0<mode>): Same.
5423         (neg_eq<mode>): Same.
5424
5425         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5426         PROCESSOR_POWER4.
5427
5428 2005-08-26  Nick Clifton  <nickc@redhat.com>
5429
5430         * config/v850/v850.c (ep_memory_operand): Return FALSE if
5431         TARGET_EP is not defined.
5432         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5433         TARGET_EP is enabled.
5434         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5435         * config/v850/v850.md (save_all_interrupt): Only use the EP
5436         register if TARGET_EP is defined.
5437         (restore_all_interrupt): Likewise.
5438         * config/v850/lib1funcs.asm: Update functions so that the EP
5439         register is only used if __EP__ is defined.
5440
5441 2005-08-26  David Ung  <davidu@mips.com>
5442
5443         * config/mips/mips.c (mips_expand_prologue): Handle case when
5444         generating for MIPS16 and the outgoing argument area is more than
5445         SMALL_OPERAND. Use the frame pointer as temporary to generate the
5446         add instruction.
5447
5448 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
5449
5450         * config/crx/crx.md: Make doloop_end pattern usage controllable
5451         via mloop-nesting=<max-nesting> command line switch. Make sure
5452         the combiner cannot use doloop_end_<mode> in an illegal way.
5453         * config/crx/crx.c: Use regs up to r6 for argument passing.
5454         Refine crx_address_cost (non cst4 displacements are expensive).
5455         * config/crx/crx.opt: Add switch for mloop-nesting=.
5456
5457 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
5458
5459         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5460         (UNSPEC_MVST): New constant.
5461
5462 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
5463
5464         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5465         Reject operands containing eliminable registers.
5466         * testsuite/gcc.dg/20050825-1.c: New testcase.
5467
5468 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
5469             Jan Hubicka  <jh@suse.cz>
5470
5471         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5472
5473 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
5474
5475         PR tree-optimization/23546
5476         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5477         and REAL_CST nodes.
5478
5479 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
5480
5481         * params.def (PARAM_MIN_SPEC_PROB): New.
5482         * sched-rgn.c (MIN_PROBABILITY): Delete.
5483         (compute_trg_info): Convert to PARAM_VALUE.
5484         * doc/invoke.texi (param): Document min-spec-prob.
5485
5486 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
5487
5488         * config/darwin.h: define __PIC__
5489         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5490         TARGET_OS_CPP_BUILTINS macro.
5491
5492 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
5493
5494         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5495         yesterday.
5496
5497 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
5498
5499         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5500         to duplicate_block.
5501         * cfghooks.c (duplicate_block): Added position where to place
5502         new block as argument.
5503         * cfghooks.h (duplicate_block): Declaration changed.
5504         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
5505         duplicate_block.
5506         * cfglayout.h (copy_bbs): Declaration changed.
5507         * cfgloop.h (loop_version): Declaration changed.
5508         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5509         position to copy_bbs.
5510         (loop_version): Pass position to duplicate_loop_to_header_edge.
5511         Add place_after argument and position new blocks according to
5512         it.
5513         * modulo-sched.c (sms_schedule): Pass place_after argument
5514         to loop_version.
5515         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5516         * tree-cfg.c (split_edge_bb_loc): New function.
5517         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5518         to determine position of new blocks.
5519         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5520         to loop_version.
5521         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5522         argument to duplicate_block.
5523         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5524         Pass position to copy_bbs.
5525
5526 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
5527
5528         * fold-const.c (ptr_difference_const): Use
5529         cst_and_fits_in_hwi instead of host_integerp.
5530
5531 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
5532
5533         * config/darwin.c (gen_pic_offset): New.
5534         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
5535         Use it.
5536
5537 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
5538
5539         PR tree-optimization/23486
5540         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5541
5542 2005-08-23  Phil Edwards  <phil@codesourcery.com>
5543
5544         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
5545         remove use_collect2.
5546         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
5547
5548         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
5549         configuration files to override the default value.
5550
5551         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
5552         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5553         * config/vx-common.h:  New file, split out from...
5554         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
5555         * config/vxworksae.h:  New file, for VxWorks AE.
5556         * config/vxworks.opt:  New file.
5557         * config/vxlib.c:  Update for VxWorks 6.
5558
5559         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
5560         other MULTILIB_* variables appropriately.
5561         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
5562         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
5563         * config/rs6000/vxworks.h:  Update for VxWorks 6.
5564         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
5565
5566 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
5567
5568         PR target/20799
5569         * config/darwin.c (machopic_select_section): Remove the hack to
5570         mark "::operator new" and "::operator delete" for coalescing
5571         even though they are not weak.
5572
5573 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
5574
5575         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5576         * configure: Regenerate.
5577
5578 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
5579
5580         PR middle-end/23517
5581         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5582         between vectors.
5583         * convert.c (convert_to_integer, convert_to_vector): Likewise.
5584         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5585         Likewise.
5586
5587 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
5588
5589         * config/rs6000/predicates.md (equality_operator): New.
5590         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5591         comparison with a large constant.
5592
5593 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
5594
5595         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5596
5597 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
5598
5599         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5600         registers is even, and we have a hardware double precision fp,
5601         align the buffer.
5602         (sh_gimplify_va_arg_expr): For floating point arguments, consider
5603         size of current argument when checking if argument was passed in
5604         registers.
5605
5606         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5607
5608         PR middle-end/23467
5609         * stor-layout.c (finalize_type_size): Dont override
5610         existing alignment with a smaller alignment from the mode.
5611
5612 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5613
5614         * lambda-code.c (lambda_vector_lexico_pos): Moved...
5615         * lambda.h (lambda_vector_lexico_pos): ... here.
5616         * tree-data-ref.c (build_classic_dist_vector): Return false when
5617         the distance vector is lexicographically negative.
5618
5619 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5620
5621         PR tree-optimization/23511
5622         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5623         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5624
5625 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
5626
5627         PR tree-optimization/22043
5628         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5629         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5630         If ALLOW_FLEXARR, handle types ending with flexible array member.
5631         Pass false as second argument to recursive count_type_elements calls.
5632         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5633         argument to count_type_elements call.
5634         * tree-sra.c (decide_block_copy): Likewise.
5635         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5636         for a constant-sized object, set cleared as well.  Pass true as
5637         second argument to count_type_elements call.
5638
5639 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5640
5641         PR target/21571
5642         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5643         from legitimate_small_data_p, and make global.  Update use.
5644         Remove forward declaration.
5645         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5646         Declare.
5647         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5648
5649 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
5650
5651         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5652         of scratch intermediates.
5653         (eq<mode>_compare): Same.
5654         (neg_eq0<mode>): New.
5655         (neg_eq<mode>): Convert to define_insn_and_split.
5656
5657 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5658
5659         PR target/23070
5660         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5661         stdarg functions, set/clear the fp marker even when no variable
5662         args are passed.
5663         * config/rs6000/sysv4.opt (mprototype): Describe.
5664
5665 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
5666
5667         PR rtl-optimization/23478
5668         * regs.h (reg_info): Add throw_calls_crossed.
5669         (REG_N_THROWING_CALLS_CROSSED): Define.
5670         * flow.c (allocate_reg_life_data): Initialize
5671         REG_N_THROWING_CALLS_CROSSED.
5672         (propagate_one_insn, attempt_auto_inc): Update
5673         REG_N_THROWING_CALLS_CROSSED.
5674         * global.c (global_alloc): Don't allocate pseudos across
5675         calls that may throw.
5676
5677 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
5678
5679         PR c/18715
5680         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5681         value is inbetween the range if we did not find an exact match.
5682
5683 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
5684
5685         * doc/invoke.texi (Option Summary): Add ms1 options.
5686         * doc/extend.texi: Document interrupt handler attribute for ms1.
5687         * doc/md.texi: Document ms1 constraints.
5688         * config.gcc: Add ms1-*-elf.
5689         * config/ms1/ms1.h: New.
5690         * config/ms1/ms1.c: New.
5691         * config/ms1/ms1.md: New.
5692         * config/ms1/ms1-protos.h: New.
5693         * config/ms1/ABI.txt: New.
5694         * config/ms1/crti.asm: New.
5695         * config/ms1/crtn.asm: New.
5696         * config/ms1/lib2extra-funcs.c: New.
5697         * config/ms1/t-ms1: New.
5698         * config/ms1/ms1.opt: New.
5699
5700 2005-08-22 Ira Rosen <irar@il.ibm.com>
5701
5702         * config/rs6000/altivec.md (xorv4sf3): New.
5703         (negv4sf2, neg<mode>2): Likewise.
5704
5705 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
5706
5707         PR target/23485
5708         * config/ia64/ia64.md (divsi3): Check divide by zero.
5709         (udivsi3): Likewise.
5710         (divdi3): Likewise.
5711         (udivdi3): Likewise.
5712
5713 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
5714
5715         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5716         up to elem_bitsize bits, not max_bitsize.
5717
5718 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5719
5720         PR tree-optimization/23433
5721         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5722         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5723
5724 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5725
5726         PR tree-optimization/23434
5727         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5728         the iteration bound is not an INTEGER_CST.
5729
5730 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
5731
5732         * tree-vect-transform.c (get_initial_def_for_reduction): Set
5733         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5734         NULL if need_epilog_adjust is false.
5735         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5736         Case 3 always peels first itration, not just for PLUS case, and no need
5737         to use scalar_initial_def here. Create an epilog adjustment only if
5738         scalar_initial_def is not NULL.
5739
5740         (vectorizable_reduction): Remove assert.
5741
5742 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
5743
5744         PR target/23485
5745         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5746         (__moddi3): Likewise.
5747         (__udivdi3): Likewise.
5748         (__umoddi3): Likewise.
5749         (__divsi3): Likewise.
5750         (__modsi3): Likewise.
5751         (__udivsi3): Likewise.
5752         (__umodsi3): Likewise.
5753
5754 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
5755
5756         * tree-pass.h (TDF_GRAPH): Define.
5757         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5758         * passes.c (finish_optimization_passes): Only call
5759         finish_graph_dump_file if TDF_GRAPH is set.
5760         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5761         NULL.  Set TDF_GRAPH bit.
5762         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5763
5764 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
5765
5766         * arm.h (arm_stack_offsets): Add locals_base field.
5767         * arm.c (arm_get_frame_offsets): Compute it.
5768         (thumb_compute_initial_elimination offset): Make the Thumb frame
5769         pointer point to the base of the local variables.
5770         (thumb_expand_prologue): Update accordingly.
5771         (thumb_expand_epilogue): Likewise.
5772
5773         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
5774         mode of clobbered scratch to DImode.  Handle a case that's known to
5775         need this.
5776
5777 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
5778
5779         * config/rs6000/rs6000.md (gt0<mode>): Delete.
5780         (gt0<mode>_compare): Delete.
5781         (neg_gt0<mode>): Delete.
5782
5783 2005-08-19  Eric Christopher  <echristo@apple.com>
5784
5785         * optabs.h: Change CTI_ to COI_.
5786         * optabs.c: Ditto.
5787
5788 2005-08-19  James E Wilson  <wilson@specifix.com>
5789
5790         * builtins.c (expand_builtin_return_addr): Set
5791         current_function_accesses_prior_frames when count != 0.  Use
5792         frame_pointer_rtx when count == 0.
5793         * function.h (struct function): Add accesses_prior_frames field.
5794         (current_function_accesses_prior_frames): Define.
5795         * reload1.c (init_elim_table): Check
5796         current_function_accesses_prior_frames.
5797         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5798
5799 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5800
5801         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5802         indicator.  Return true if the flowgraph changed during
5803         cleanup.
5804
5805 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5806
5807         PR 23476
5808         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5809         conditional expression before testing its value.
5810
5811 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5812
5813         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5814
5815 2005-08-19  Devang Patel  <dpatel@apple.com>
5816
5817         PR tree-optimization/23048
5818         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5819         third parameter. Check whether latch is dominated by exit
5820         block or not.
5821         (if_convertible_loop_p): Supply exit block itself to
5822         if_convertible_bb_p.
5823
5824 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5825
5826         PR target/23473
5827         * arm.md (arm_load_pic_register): Change argument to the mask of
5828         saved registers.  Call thumb_find_work_register if we need a
5829         scratch register on Thumb.
5830         (arm_expand_prologue): Pass empty register set to
5831         arm_load_pic_register.
5832         (thumb_expand_prologue): Pass live_regs_mask directly to
5833         arm_load_pic_register.
5834         * arm-protos.h (arm_load_pic_register): Update prototype.
5835
5836 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
5837
5838         * sh.c (find_sole_member): New function.
5839         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5840         if the record's alignment is larger than the size of its only member.
5841
5842 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5843
5844         PR target/23436
5845         * arm.c (thumb_legitimize_reload_address): New function.
5846         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5847         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5848
5849 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
5850
5851         * config/crx/crx.c: Implement crx_decompose_address. Reject
5852         symbolic displacements since CRX register relative adressing
5853         mode can't handle unsigned 32-bit values as displacements.
5854         * config/crx/crx.h: Simplify definitions, remove redundant
5855         parenthesis and obsolete macros.
5856         * config/crx/crx.opt: Add new switch for debugging addresses.
5857         * config/crx/crx-protos.h: Add new declarations for above.
5858
5859 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
5860
5861         PR middle-end/20624
5862         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5863         looking past it.
5864
5865 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5866
5867         * collect2.c (dup2): Delete.
5868         * configure.ac: Don't check for dup2.
5869
5870         * config.in, configure: Regenerate.
5871
5872 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
5873
5874         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5875         record with the type of its only member.
5876
5877 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
5878
5879         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5880         define_insn_and_split.
5881         (plus_ltu<mode>_compare): Same.
5882         (gtu<mode>_compare): Same.
5883         (plus_gtu<mode>_compare): Same.
5884
5885 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
5886
5887         PR tree-optimization/22228
5888         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5889         todo_flags_start.
5890         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5891         are recorded in vect_vnames_to_rename for renaming.
5892         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5893         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5894         in vect_vnames_to_rename.
5895         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5896         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5897
5898 2005-08-18  Jan Hubicka  <jh@suse.cz>
5899
5900         PR c++/22034
5901         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5902         info only for local statics, not for member variables.
5903
5904 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5905
5906         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5907
5908 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5909
5910         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5911
5912 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
5913
5914         PR middle-end/16045
5915         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5916
5917 2005-08-17  James E Wilson  <wilson@specifix.com>
5918
5919         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5920         array size check.
5921
5922 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
5923
5924         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5925         (leu<mode>_compare): Same.
5926         (plus_leu<mode>): Same.
5927         (neg_leu<mode>): Same.
5928         (and_neg_leu<mode): Same.
5929         (ltu<mode>_compare): Same.
5930         (plus_ltu<mode>): Same.
5931         (geu<mode>): Same.
5932         (geu<mode>_compare): Same.
5933         (plus_geu<mode>): Same.
5934         (neg_geu<mode>): Same.
5935         (and_neg_geu<mode>): Same.
5936         (plus_gt<mode>): Same.
5937         (gtu<mode>_compare): Same.
5938         (plus_gtu<mode>): Same.
5939
5940 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
5941
5942         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5943         Move call_table_data to end.  Delete spurious .text.
5944         (callt_save_all_interrupt): Fix comment typo.
5945
5946 2005-08-17  James E Wilson  <wilson@specifix.com>
5947             Kevin Winchester  <winchester@amirix.com>
5948
5949         PR target/21684
5950         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5951
5952 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
5953
5954         PR target/23268
5955         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5956         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5957
5958 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
5959
5960         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5961         record with the type of its only member if the modes don't match.
5962
5963         * varasm.c (decode_reg_name): Skip empty additional register names.
5964
5965 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
5966
5967         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5968         lsm_tmp_name_length): New.
5969         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5970         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5971
5972 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5973             Andreas Krebbel  <krebbel1@de.ibm.com>
5974
5975         * config.gcc: Added z9-109 switch.
5976         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5977         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5978         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5979         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5980         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5981         for "z9_109" cpu attribute.
5982         * config/s390/s390.c (z9_109_cost): New processor cost structure.
5983         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5984         (s390_handle_arch_option): Added z9-109 switch.
5985         (override_options): Set respective cost function for z9-109.
5986         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5987         (legitimate_reload_constant_p): Accept extended immediates.
5988         (print_operand): Three new output modifiers added: k, m and o.
5989         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5990         (s390_output_mi_thunk): Use extended immediate when possible.
5991         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5992         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5993         (CONSTRAINT_LEN): Added length of O constraint.
5994         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5995         * config/s390/s390.md ("cpu"): New value z9_109 added.
5996         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5997         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5998         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5999         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6000         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6001         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6002         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6003         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6004         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6005         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6006         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6007         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6008         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6009         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6010         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6011         immediates.
6012         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6013         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6014         insns for TARGET_EXTIMM.
6015
6016 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6017
6018         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6019
6020 2005-08-17  Nick Clifton  <nickc@redhat.com>
6021
6022         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6023         Call default_encode_section_info.
6024
6025 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6026
6027         PR tree-optimization/21574
6028         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6029         constant, return CONSTANT.
6030         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6031         (ccp_fold, visit_assignment): Likewise.
6032         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6033
6034 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6035
6036         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6037         fold_buildN instead of buildN then fold_initializer or fold.
6038         (build_unary_op): Likewise.
6039         (build_binary_op): Likewise.
6040         * fold-const.c (fold_initializer): Remove.
6041         (fold_build1_initializer): New function.
6042         (fold_build2_initializer): New function.
6043         (fold_build3_initializer): New function.
6044         * tree.h (fold_initializer): Remove.
6045         (fold_build1_initializer): New function.
6046         (fold_build2_initializer): New function.
6047         (fold_build3_initializer): New function.
6048
6049 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6050
6051         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6052         (try_move_mult_to_index): Call fold_build2 instead of build2.
6053         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6054         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6055         fold_binary_to_constant.
6056         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6057         fold (build.
6058         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6059         check if A == gcd (A, B).  Remove TYPE argument.
6060         (analyze_offset) Use fold_build2 instead of fold (build.
6061         (create_data_ref): Likewise.
6062         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6063         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6064         then fold.
6065
6066 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6067
6068         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6069         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6070
6071 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6072
6073         PR tree-opt/23402
6074         * gimplify.c (zero_sized_type): New function.
6075         (gimplify_modify_expr_rhs): If we have a zero sized type,
6076         replace the statement with an empty statement.
6077
6078 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6079
6080         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6081         fxsave.
6082
6083 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6084
6085         * doc/tm.texi (Label Output): Correct typo.
6086
6087 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6088
6089         PR target/23376
6090         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6091         force_operand will work later on using have_insn_for.
6092
6093 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6094
6095         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6096
6097 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6098
6099         PR c++/23337
6100         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6101         vector type, don't try to construct it element by element.  Add an
6102         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6103
6104 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6105
6106         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6107
6108 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6109
6110         * doc/invoke.texi (Precompiled Headers): Document some more options
6111         which are known to be safe.
6112
6113 2005-08-16  James E Wilson  <wilson@specifix.com>
6114
6115         PR tree-optimization/21105
6116         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6117         TREE_OVERFLOW check.
6118
6119 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6120
6121         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6122         (neg_ltu<mode>): Same.
6123         (gtu<mode>): Same.
6124         (neg_gtu<mode>): Same.
6125
6126 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6127
6128         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6129         (fold_builtin_isdigit): Use fold_buildN.
6130         (build_function_call_expr): Likewise.
6131         * c-typeck.c (c_finish_loop): Likewise.
6132
6133 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6134             Richard Shann <rshann@superh.com>
6135
6136         PR middle-end/20396:
6137         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6138
6139 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
6140
6141         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6142
6143 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
6144
6145         PR target/23355
6146         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6147         arm_compure_save_reg0_reg12_mask to determine when the PIC register
6148         must be saved.
6149
6150 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6151
6152         PR middle-end/23369
6153         * fold-const.c (build_range_check): Disable optimization for function
6154         pointer expressions on targets that require function pointer
6155         canonicalization.
6156
6157 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
6158
6159         * simplify-rtx.c (simplify_const_relational_operation): When
6160         extracting arguments of a COMPARE, recompute the mode as well.
6161
6162 2005-08-15  Ian Lance Taylor  <ian@airs.com>
6163
6164         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6165
6166 2005-08-15  DJ Delorie  <dj@redhat.com>
6167
6168         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6169         the stack.
6170         (movsi_splittable): Allow, but split, moves to the stack.
6171         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6172         stack.
6173
6174 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6175
6176         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6177         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6178         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6179
6180         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6181         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6182         Delete HOST_PTR_PRINTF.
6183
6184         * configure, config.in: Regenerate.
6185
6186 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
6187
6188         * config/rs6000/rs6000.md (QHSI): New mode macro.
6189         (wd): Extend mode attr for QImode and HImode
6190         (dbits): New mode attr.
6191         (zero_extend<mode>di2): Convert to mode macro.
6192
6193 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
6194
6195         PR target/21841
6196         * doc/invoke.texi (-mgnu-ld): Update description.
6197         (-mhp-ld): Ditto.
6198
6199 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6200
6201         PR 23391
6202         * Makefile.in (tree-chrec.o): Depends on real.h.
6203         * tree-chrec.c: Include real.h.
6204         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6205         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6206         * tree-scalar-evolution.c (add_to_evolution_1,
6207         interpret_rhs_modify_expr): Ditto.
6208
6209 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6210
6211         PR 23386
6212         * tree-data-ref.c (estimate_niter_from_size_of_data): When
6213         step is negative compute the estimation from init downwards to zero.
6214
6215 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
6216
6217         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6218
6219 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6220
6221         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6222         constraint.
6223         (legitimate_reload_constant_p): Fix handling of lliXX operands.
6224         Accept double-word constants that can be split.
6225         * config/s390/s390.md ("movti"): Use 'P' constraint.
6226         ("*movdi_31", "*movdf_31"): Likewise.
6227
6228 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
6229
6230         Fix PR tree-optimization/22615
6231
6232         * tree-ssa-structalias.c (solution_set_add): Handle
6233         first_vi_for_offset returning NULL.
6234         (do_da_constraint): Ditto.
6235         (do_sd_constraint): Ditto.
6236         (do_ds_constraint): Ditto
6237         (find_func_aliases): Ditto.
6238         (build_constraint_graph): RHS is allowed be ANYTHING.
6239         (first_vi_for_offset): Return NULL if we couldn't find anything at
6240         the offset.
6241
6242 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6243
6244         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6245         over memory as first operand.
6246
6247 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
6248
6249         PR target/23360
6250         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6251         available for setting it.
6252
6253 2005-08-14  Ira Rosen  <irar@il.ibm.com>
6254
6255         PR tree-optimization/23320
6256         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6257         data-refs' types instead of base object nullness. Add check for
6258         pointer type data-refs before first location comparison. Remove
6259         assert.
6260
6261 2005-08-14  Andreas Schwab  <schwab@suse.de>
6262
6263         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6264
6265 2005-08-13  James E Wilson  <wilson@specifix.com>
6266
6267         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6268         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6269         -fstack-protector-all, --param ssp-buffer-size): Document.
6270         (-Wvariadic-macros): Alphabetize.
6271         (-fsched-stalled-insns-dep): Add missing 'f'.
6272
6273         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6274         macros.
6275
6276 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
6277
6278         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6279         or indirect address operand.
6280         (EXTRA_ADDRESS_CONSTRAINT): New.
6281         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6282
6283 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
6284
6285         PR tree-optimization/22236
6286         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6287         successors and predecessors.
6288         * tree-chrec.c (chrec_convert): Before converting, check that
6289         sequences don't wrap.
6290         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6291         (analyze_array): Extern.
6292         (find_data_references_in_loop): Remove call to
6293         compute_estimated_nb_iterations.
6294         * tree-data-ref.h (analyze_array): Declared.
6295         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6296         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6297         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6298         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6299         condition.
6300         * tree-ssa-loop-ivcanon.c: Fix documentation.
6301         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6302         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6303         (infer_loop_bounds_from_undefined): New.
6304         (estimate_numbers_of_iterations_loop): Use
6305         infer_loop_bounds_from_undefined.
6306         (used_in_pointer_arithmetic_p): New.
6307         (scev_probably_wraps_p): Pass an extra parameter.  Call
6308         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
6309         (convert_step): Fix documentation.
6310         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6311         Use initial_condition_in_loop_num and evolution_part_in_loop_num
6312         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
6313         scev_probably_wraps_p.
6314
6315 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
6316
6317         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6318         (s390_register_info): Ignore clobbered_regs information for fixed
6319         registers, and only fixed registers.
6320         (s390_init_frame_layout): Remove redundant call.
6321
6322 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
6323
6324         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6325         description of -Wold-style-casts.
6326
6327 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6328             Jakub Jelinek  <jakub@redhat.com>
6329
6330         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6331         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6332         * config/s390/s390.c (print_operand): New output modifier 'G' added.
6333         (get_thread_pointer): Renamed to s390_get_thread_pointer.
6334         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6335         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6336         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6337         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6338         ("stack_protect_set", "stack_protect_test"): New expanders.
6339         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6340         "stack_protect_testdi"): New insn definitions.
6341
6342 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6343
6344         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6345
6346 2005-08-12  Paul Brook  <paul@codesourcery.com>
6347
6348         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6349
6350 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6351
6352         * config/s390/predicates.md (setmem_operand): New predicate.
6353         (shift_count_operand): Accept ANDs with special constants as
6354         operand.
6355         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6356         with special constants.
6357         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6358         shift_count_operand with setmem_operand.
6359
6360 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6361
6362         * config/s390/s390.c (s390_extract_part, s390_single_part):
6363         Type cast added.
6364         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6365         (s390_output_mi_thunk): Don't use lg on 31 bit.
6366         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6367         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6368
6369 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6370
6371         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6372         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6373         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6374         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6375         with one of the new macros.
6376
6377 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6378
6379         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6380         Don't set save_return_addr_p.
6381         (s390_register_info): Make clobbered_regs not depending on
6382         save_return_addr_p.
6383
6384 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
6385
6386         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6387         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6388
6389 2005-08-11  James E. Wilson  <wilson@specifix.com>
6390
6391         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6392
6393 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
6394
6395         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6396         locations gathered by var-tracking in single entry loc_list
6397         over loc_descriptor_from_tree.
6398
6399         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6400         pass it down to loc_descriptor.
6401         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6402         (containing_function_has_frame_base): Move earlier in the file.
6403         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6404         instead of always assuming fbreg can't be used.
6405
6406 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
6407
6408         * config/rs6000/altivec.md: Change constraint "m" to "Z".
6409         * config/rs6000/predicates.md (indexed_or_indirect_operand):
6410         Accept address wrapped in AND for Altivec.
6411         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6412         Strip AND wrapping offset address for Altivec.
6413
6414 2005-08-11  Richard Henderson  <rth@redhat.com>
6415
6416         PR middle-end/23312
6417         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6418         before using TYPE_IS_SIZETYPE.
6419
6420 2005-08-11  Richard Henderson  <rth@redhat.com>
6421
6422         PR target/22225
6423         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6424         insn types not present on ev4.
6425         (alphaev5_insn_pipe): Similarly.
6426
6427 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6428
6429         PR target/23250
6430         * arm.c (arm_override_options): If the user has selected callee-super-
6431         interworking, then enable normal interworking.
6432
6433 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6434
6435         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6436         redefinition.
6437
6438 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
6439
6440         * doc/rtl.texi: Fix two typos.
6441
6442 2005-08-11  Richard Guenther  <rguenther@suse.de>
6443
6444         PR target/23289
6445         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6446         cases where we call to/from functions returning void.
6447
6448 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
6449
6450         PR c++/23225
6451         * tree.c (build_pointer_type_for_mode): Robustify.
6452
6453 2005-08-10  James E Wilson  <wilson@specifix.com>
6454
6455         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6456         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6457
6458         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6459         "cum->".
6460
6461 2005-08-10  Eric Christopher  <echristo@apple.com>
6462
6463         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6464         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6465         V2DFmode.
6466
6467 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
6468
6469         PR target/21887
6470         * config/darwin.c (machopic_indirect_data_reference): Use a new register
6471         for the high part when generating dynamic-no-pic code.
6472
6473 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
6474
6475         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6476         (x86_64-*-linux*): Likewise.
6477
6478         * config/i386/crtfastmath.c: New file.
6479         * config/i386/t-crtfm: Likewise.
6480
6481         * config/i386/linux.h (ENDFILE_SPEC): New.
6482         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6483
6484         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6485         crtfastmath.o.
6486
6487 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
6488
6489         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6490         (vec_shl, vec_shr): Document new operations.
6491         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6492
6493 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
6494
6495         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6496         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6497         change predicate to indexed_or_indirect_address.
6498
6499 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
6500
6501         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6502         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6503         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6504         and __aeabi_uwrite8.
6505         * config/arm/unaligned-funcs.c: New file.
6506         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6507
6508 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
6509
6510         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6511         Add dump.
6512         * cfglayout.c (pass_insn_locators_initialize): Add dump.
6513         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6514         Add dump.
6515         * except.c (pass_convert_to_eh_region_ranges): Add dump.
6516         * final.c (pass_shorten_branches): Add dump.
6517         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6518         (pass_life): Rename dump.
6519         (rest_of_handle_flow2): Remove initial verify_flow_info.
6520         * function.c (pass_instantiate_virtual_regs): Add dump.
6521         * integrate.c (pass_initial_value_sets): Add dump.
6522         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6523         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6524         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6525         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6526         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6527         gate_rtl_unrool_and_peel_loops): New.
6528         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6529         rtl_doloop): Do not look at flags.
6530         * mode-switching.c (pass_mode_switching): Add dump.
6531         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6532         pass_split_before_regstack): Add dump.
6533         * regmove.c (pass_stack_adjustments): Add dump.
6534         * tree-optimize.c (pass_fixup_cfg): Add dump.
6535
6536 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6537
6538         PR 23309
6539         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6540         deciding which instruction sequence to use.
6541
6542 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
6543
6544         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6545         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6546
6547 2005-08-09  Richard Guenther  <rguenther@suse.de>
6548
6549         * c-common.c (builtin_function_2): Remove.
6550         (def_builtin_1): New function.
6551         (c_common_nodes_and_builtins): Use def_builtin_1 to
6552         build builtin functions.
6553
6554 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
6555
6556         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6557         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6558         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6559         Visual DSP.
6560
6561 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
6562
6563         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6564         fold_binary instead of fold_build2 since we don't care about the
6565         resulting tree.
6566         (loop_niter_by_eval): Likewise.
6567         (compare_trees): Likewise.
6568         (proved_non_wrapping_p): Likewise.
6569
6570 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
6571
6572         PR c/23161
6573         PR c/23165
6574         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6575         if the if is really empty.
6576
6577 2005-08-09  Steven Bosscher  <stevenb@suse.de>
6578
6579         PR tree-optimization/23234
6580         * tree-ssa-math-opts.c (place_reciprocal): New enum.
6581         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6582         argument of the new enum.
6583         (execute_cse_reciprocals): Add reciprocals for function arguments
6584         on the unique successor edge of the entry block.  Update other calls
6585         to execute_cse_reciprocals_1.
6586
6587 2005-08-08  Richard Henderson  <rth@redhat.com>
6588
6589         PR 22439
6590         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6591
6592 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
6593
6594         * expr.c (write_complex_part): Return after handling MEM.
6595
6596 2005-08-08  Josh Conner  <jconner@apple.com>
6597
6598         PR rtl-optimization/23241
6599         * combine.c (simplify_comparison): Fix error in determining
6600         whether to lift a subreg from comparison.
6601
6602 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
6603
6604         PR target/18506
6605         * config/rs6000/altivec.md (vec_init<mode>): New.
6606         (vec_set<mode>): New.
6607         (vec_extract<mode>): New.
6608         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6609         (rs6000_expand_vector_set): New.
6610         (rs6000_expand_vector_extract): New.
6611         (rs6000_legitimate_offset_address_p): Offset addresses are valid
6612         for Altivec modes before reload.
6613         (altivec_expand_vec_init_builtin): New.
6614         (get_element_number): New.
6615         (altivec_expand_vec_set_builtin): New.
6616         (altivec_expand_vec_ext_builtin): New.
6617         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6618         builtins.
6619         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6620         builtins.
6621         * config/rs6000/rs6000.h (rs6000_builtins): Add
6622         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6623         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6624         * config/rs6000/rs6000-protos.h: Declare new functions.
6625
6626 2005-08-08  Jan Hubicka  <jh@suse.cz>
6627
6628         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6629         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6630         * i386.md (movdi*): Use pic_32bit_operand.
6631         * predicates.md (pic_32bit_operand): New.
6632
6633 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
6634
6635         PR c++/21166
6636         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6637
6638 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
6639
6640         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6641         (test_for_singularity): Use fold_build2.
6642
6643 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6644
6645         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6646
6647 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
6648
6649         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6650         (COMMON_ASM_OP) Define.
6651         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6652         (ix86_encode_section_info): Likewise.
6653         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6654         SUBTARGET_ENCODE_SECTION_INFO.
6655
6656 2005-08-06  Richard Henderson  <rth@redhat.com>
6657
6658         PR 21894
6659         * tree-nested.c (convert_local_reference): Save and restore val_only
6660         around component_ref and friends.  Clear walk_subtrees by default.
6661
6662 2005-08-06  Peter O'Gorman  <peter@pogma.com>
6663
6664         PR 21366
6665         * gcc.c (process_command): Check the argument to -b has a dash.
6666         * doc/invoke.texi: Update -b and -V docs.
6667
6668 2005-08-06  James E Wilson  <wilson@specifix.com>
6669
6670         * config/mips/cross64.h, config/mips/t-cross64: Delete.
6671
6672 2005-08-06  Michael Matz  <matz@suse.de>
6673
6674         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6675         member only if only one insn is associated with the value.
6676
6677 2005-08-06  Nick Clifton  <nickc@redhat.com>
6678
6679         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6680         New define.
6681         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6682         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6683         Check symbol flags instead of symbol name mangling.
6684         (xstormy16_asm_output_aligned_common): Likewise.  Also
6685         simplify code since the bss100_section cass is the only case
6686         where the below100 code will be triggered.
6687         (xstormy16_encode_section_info): Encode below100 attribute
6688         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6689         the name.
6690         (xstormy16_strip_name_encoding): Delete - this function is no
6691         longer needed.
6692         (TARGET_STRIP_NAME_ENCODING): Undefine.
6693         * config/stormy16/stormy16-protos.h: Delete prototype for
6694         xstormy16_strip_name_encoding.
6695
6696 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
6697
6698         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6699         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6700         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6701         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6702         config/alpha/predicates.md, config/arc/arc.h,
6703         config/arm/arm.h, config/arm/ieee754-df.S,
6704         config/arm/ieee754-sf.S, config/bfin/bfin.c,
6705         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6706         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6707         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6708         config/m68hc11/m68hc11.h, config/mips/mips.c,
6709         config/mips/mips.h, config/mips/openbsd.h,
6710         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6711         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6712         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6713         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6714         config/sparc/linux.h, config/sparc/linux64.h,
6715         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6716         doc/extend.texi, doc/gcov.texi, doc/install.texi,
6717         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6718         typos.  Follow spelling conventions.
6719
6720 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
6721
6722         PR c/23113
6723         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6724         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6725         specially.  Check for side effects only for COND_EXPR.
6726         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6727         return with TREE_NO_WARNING.
6728
6729 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
6730
6731         PR rtl-optimization/23233
6732         * loop.c (combine_movables): Require the modes to be the same.
6733         (move_movables): Remove handling of cases where the replacement
6734         had a different mode to the original.
6735
6736 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
6737
6738         PR tree-optimization/23128
6739         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6740         subtraction wrap, and set TREE_OVERFLOW if they do.
6741
6742 2005-08-05  Richard Henderson  <rth@redhat.com>
6743
6744         PR 21728
6745         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6746         FORCED_LABEL labels.
6747
6748 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
6749
6750         PR middle-end/23135
6751         * reload.c (find_reloads_subreg_address): Pass down TYPE
6752         unchanged.  Change all callers except find_reloads_toplev.
6753
6754 2005-08-05  Michael Matz  <matz@suse.de>
6755
6756         * genattrtab.c (current_alternative_string): Remove.
6757         (SIMPLIFY_ALTERNATIVE): Ditto.
6758         (attr_alt_bit_p): Ditto.
6759         (alternative_name): Make const char *.
6760         (evaluate_eq_attr): Remove use of above things.
6761         (simplify_test_exp): Ditto.
6762         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6763         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6764
6765 2005-08-04  James E Wilson  <wilson@specifix.com>
6766
6767         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6768         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6769         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6770         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6771         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6772
6773 2005-08-04  Richard Henderson  <rth@redhat.com>
6774
6775         PR 21529
6776         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6777         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6778         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
6779         if we'd have to instantiate too many members.
6780
6781 2005-08-04  Richard Henderson  <rth@redhat.com>
6782
6783         PR 21291
6784         * tree-outof-ssa.c (coalesce_asm_operands): New.
6785         (coalesce_ssa_name): Use it.  Split out ...
6786         (coalesce_phi_operands, coalesce_result_decls): ... these.
6787
6788 2005-08-04  Paul Brook  <paul@codesourcery.com>
6789
6790         * read-rtl.c (read_quoted_string): Break if EOF.
6791
6792 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
6793
6794         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6795         (fold_build2): Likewise.
6796         (fold_build3): Likewise.
6797         (fold_build1_stat): New function prototype.
6798         (fold_build2_stat): Likewise.
6799         (fold_build3_stat): Likewise.
6800         * fold-const.c (fold_build1): Rename to ..
6801         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6802         through to build1_stat.
6803         (fold_build2): Rename to ..
6804         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6805         through to build2_stat.
6806         (fold_build3): Rename to ..
6807         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6808         through to build3_stat.
6809
6810 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
6811             Ian Lance Taylor  <ian@airs.com>
6812
6813         * function.c (assign_stack_local_1): Do not correct stack slot
6814         address if allocation size is smaller than mode size.
6815
6816 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
6817
6818         PR 22037
6819         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6820         (tree_merge_blocks): Propagate anything allowed by
6821         may_propagate_copy.
6822         Clarify documentation.
6823         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6824         SSA form, schedule an update if necessary.
6825
6826 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
6827
6828         * doc/install.texi (Binaries): Remove broken link to
6829         Sinix/Reliant Unix binaries.
6830
6831 2005-08-03  Richard Henderson  <rth@redhat.com>
6832
6833         PR 23221
6834         * function.c (stack_protect_epilogue): Export.
6835         * tree.h (stack_protect_epilogue): Declare.
6836         * calls.c (expand_call): Call it.
6837
6838 2005-08-03  Eric Christopher  <echristo@apple.com>
6839
6840         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6841         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6842         spec.
6843
6844 2005-08-04  Jan Hubicka  <jh@suse.cz>
6845
6846         * profile.c (branch_prob): Split edges with goto locus on them
6847         to get proper line counts.
6848         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6849
6850 2005-08-03  Paul Brook  <paul@codesourcery.com>
6851
6852         * function.c (assign_parms): Round current_function_args_size
6853         to PARM_BOUNDARY, not STACK_BOUNDARY.
6854
6855 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
6856
6857         * config/i386/i386.c (x86_elf_aligned_common)
6858         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6859
6860 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
6861
6862         PR tree-optimization/23157
6863         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6864         before emitting them.
6865
6866 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6867
6868         PR tree-optimization/19899
6869         * Makefile.in (tree-scalar-evolution.o): Add real.h.
6870         * tree-scalar-evolution.c: Include real.h.
6871         (add_to_evolution): Build constant -1 of correct type.
6872
6873 2005-08-03  Jan Hubicka  <jh@suse.cz>
6874
6875         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6876         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6877         profile updating for complette unrolling.
6878         * loop-unroll.c (peel_loop_completely): Use it.
6879         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6880         (tree_unroll_loops_completely): Disable code growing unrolling of cold
6881         loops.
6882
6883 2005-08-03  Paul Brook  <paul@codesourcery.com>
6884
6885         * combine.c (can_change_dest_mode): New function.
6886         (try_combine, simplify_set): Use it.
6887
6888 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
6889
6890         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6891         TFmode to BLKmode.
6892
6893 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
6894
6895         * doc/install.texi (Specific): Adjust link to openavr.org.
6896         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6897         (Binaries): Adjust HP-UX Porting Center link.
6898         (Binaries): Adjust Free Software Foundation ordering link.
6899
6900 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
6901
6902         * convert.c (convert_to_integer): Use fold_build1 instead of
6903         build1 when converting an integer to an integer.
6904
6905 2005-08-02  Richard Henderson  <rth@redhat.com>
6906
6907         * combine.c (combine_instructions): Don't use reg_equal/equiv
6908         results if the mode doesn't match.
6909
6910 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
6911
6912         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6913         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6914
6915 2005-08-02  Richard Henderson  <rth@redhat.com>
6916
6917         PR 23196
6918         * explow.c (memory_address): Remove special-case for
6919         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6920
6921 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
6922
6923         PR 23164
6924         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6925         number of calls to cleanup_tree_cfg_1.
6926
6927 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
6928
6929         * doc/invoke.texi: document file extensions .F90 and .F95
6930
6931 2005-08-02  Richard Guenther  <rguenther@suse.de>
6932
6933         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6934         positive if its first argument is positive.
6935
6936 2005-08-02  Richard Guenther  <rguenther@suse.de>
6937
6938         PR tree-optimization/23177
6939         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6940         on TMR_TAG.
6941
6942 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
6943
6944         PR tree-optimization/23129
6945         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6946         varying for divisions with anti-ranges.
6947
6948 2005-08-02  Jan Hubicka  <jh@suse.cz>
6949
6950         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6951         * tree-ssa-threadupdate.c (thread_block): Add it here.
6952
6953 2005-08-01  James E Wilson  <wilson@specifix.com>
6954
6955         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6956         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6957         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6958         New.
6959         * config/mips/predicates.md (const_call_insn_operand): Add check for
6960         SYMBOL_REF_LONG_CALL_P.
6961         * doc/extend.texi (long_call): Document the new attribute.
6962
6963 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6964             Richard Henderson  <rth@redhat.com>
6965
6966         * Makefile.in (RTL_BASE_H): Add real.h.
6967         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6968         instead of memcpy.
6969         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6970         directly.
6971         * rtl.c (rtl_check_failed_code_mode): New.
6972         * rtl.h (struct rtx_def): Add u.rv.
6973         (XCMWINT, XCNMPRV): New.
6974         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6975         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6976
6977 2005-08-01  Richard Henderson  <rth@redhat.com>
6978
6979         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6980         with auto-inc codes.
6981
6982         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6983
6984 2005-08-01  Jan Hubicka  <jh@suse.cz>
6985
6986         * i386-protos.h (asm_preferred_eh_data_format): Declare.
6987         * i386.c: Include dwarf2.h
6988         (asm_preferred_eh_data_format): New.
6989         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6990
6991 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6992
6993         * config/host-linux.c (linux_gt_pch_get_address): Add new name
6994         randomize_va_space for virtual address randomization control.
6995
6996 2005-08-01  Steven Bosscher  <stevenb@suse.de>
6997
6998         * common.opt (flag_ipa_cp): Put in right place to maintain
6999         alphabetic sort.
7000
7001 2005-08-01  Jan Hubicka  <jh@suse.cz>
7002
7003         * profile.c (compute_value_histograms): Fix thinko.
7004         * value-prof.c: Include toplev.h
7005         (check_counter): New function.
7006         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7007         tree_mod_subtract_transform): Add sanity check.
7008
7009 2005-08-01  Richard Guenther  <rguenther@suse.de>
7010
7011         PR tree-optimization/23133
7012         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7013         current functions parameter decls to find defs to cse
7014         reciprocals of.
7015
7016 2005-08-01  Richard Guenther  <rguenther@suse.de>
7017
7018         PR tree-optimization/23109
7019         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7020         If trapping math is in effect, use post-dominator information
7021         to check if we'd in any case reach a trapping point before
7022         doing the reciprocal insertion.
7023         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7024         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7025         expressions are invariant only if trapping math is not in effect.
7026
7027 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7028
7029         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7030         cgraph_function_versioning): New declarations.
7031         * cgraphunit.c: Add include to ipa-prop.h.
7032         (update_call_expr, cgraph_copy_node_for_versioning,
7033         cgraph_function_versioning): New functions.
7034         * integrate.c (copy_decl_for_inlining): Remove.
7035         * ipa-prop.h (ipa_replace_map): New struct.
7036         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7037         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7038         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7039         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7040         ipcp_iterate_stage, ipcp_method_scale_print,
7041         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7042         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7043         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7044         ipcp_update_bb_counts, ipcp_update_profiling,
7045         ipcp_update_edges_counts): New functions.
7046         (ipcp_method_cval_init): Remove restriction regarding local methods.
7047         (ipcp_init_stage): Add ipcp_method_compute_scale.
7048         (ipcp_insert_stage): Add versioning.
7049         (ipcp_structures_print): Add ipcp_method_scale_print.
7050         (ipcp_driver): Dump profiling info.
7051         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7052         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7053         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7054         (struct inline_data): Add versioning_p, ipa_info, new fields.
7055         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7056         declare_return_variable): Replace calls to copy_decl_for_inlining with
7057         copy_decl_for_dup.
7058         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7059         versioning support.
7060         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7061         Add argument VERSIONING.
7062         (copy_arguments_for_versioning, copy_static_chain,
7063         function_versionable_p, tree_versionable_function_p,
7064         tree_function_versioning, replace_ref_tree): New functions.
7065         * tree-inline.h: Include varray.h.
7066         (tree_versionable_function_p,  tree_function_versioning,
7067         tree copy_decl_for_dup): New declarations.
7068
7069 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7070
7071         * ipa-cp.c: New file. Contains IPCP specific functionality.
7072         * ipa-prop.h: New file. Contains structures/definitions that can be
7073         used by several interprocedural data flow optimizations (and also IPCP).
7074         * ipa-prop.c: New file.
7075         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7076         * common.opt: Add ipa-cp flag.
7077         * timevar.def: Add IPCP optimization.
7078         * tree-optimize.c (init_tree_optimization_passes): Schedule
7079         pass_ipa_cp.
7080         * tree-pass.h (pass_ipa_cp): Declare.
7081
7082 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7083
7084         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7085         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7086         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7087         config/i386/i386.c, config/mips/mips.h,
7088         config/rs6000/rs6000.h, config/sh/sh.c,
7089         config/stormy16/stormy16.c: Fix comment typos.
7090
7091 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7092
7093         PR c/22311
7094         * c-typeck.c (build_binary_op): Use common_type wrapper on
7095         shortened types.
7096         (common_type): Update comment.
7097
7098 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7099
7100         PR target/23095
7101         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7102         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7103         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7104
7105 2005-07-31  Jan Hubicka  <jh@suse.cz>
7106
7107         * pretty-print.h (pp_widest_integer): New macro.
7108         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7109         counts.
7110
7111 2005-07-31  Jan Hubicka  <jh@suse.cz>
7112
7113         * output.h (enum section_category): Export from varasm.c
7114         (categorize_decl_for_section): Likewise.
7115         * varasm.c (enum section_category): Kill.
7116         (categorize_decl_for_section): Make global.
7117         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7118         Declare.
7119         * i386.c (ix86_section_threshold): New static variable.
7120         (ix86_in_large_data_p, ix86_encode_section_info,
7121         x86_64_elf_unique_section,
7122         x86_64_elf_select_section): New functions.
7123         (TARGET_ENCODE_SECTION_INFO): Define
7124         (override_options): Enable medium model for PIC.
7125         (ix86_expand_prologue): Expand gen_set_got_rex64.
7126         (legitimate_constant_p): Handle new UNSPECs.
7127         (legitimate_pic_address_disp_p): Likewise.
7128         (legitimize_pic_address): Lower MEDIUM model addressing.
7129         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7130         (enum cmodel): Add MEDIUM_PIC.
7131         (SYMBOL_REF_FAR_ADDR_P): New macro.
7132         (SYMBOL_FLAG_FAR_ADDR): New flag.
7133         * i386.md (movdi): Support medium model.
7134         (set_got_rex64): New pattern.
7135         * i386.opt (mlarge-data-threshold): New flag.
7136         * predicates.md (zext_operand/sext_operand): Deal with medium model.
7137         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7138         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7139         TARGET_ASM_UNIQUE_SECTION): New.
7140
7141         * invoke.texi (-mlarge_data_threshold): Document
7142
7143 2005-07-31  Jan Hubicka  <jh@suse.cz>
7144
7145         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7146         (coalesce_vars): Likewise.
7147         * tree-ssa-live.c (coalesce_cost): New.
7148         (build_tree_conflict_graph): Use coalesce_cost.
7149         * tree-ssa-live.h (coalesce_cost): Declare.
7150
7151 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
7152
7153         * arm.md (all peepholes for post-increment operations): Delete.
7154         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7155         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7156         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7157         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7158         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7159
7160 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
7161
7162         * fold-const.c (tree_expr_nonnegative_p): Always return true for
7163         non-integral types.
7164
7165 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
7166
7167         PR target/22582
7168         * doc/invoke.texi: Document -rdynamic.
7169
7170 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
7171
7172         PR c/23143
7173         * c-parser.c (c_parser_parms_list_declarator): Call
7174         mark_forward_parm_decls.
7175         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7176         decls with visibility structure.
7177
7178 2005-07-30  Paul Brook  <paul@codesourcery.com>
7179
7180         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7181
7182 2005-07-30  Paul Brook  <paul@codesourcery.com>
7183
7184         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7185         prototype.
7186         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7187         value for mode.
7188         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7189
7190 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7191
7192         PR c/529
7193         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7194         nested function declarators.
7195         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7196         (grokparms): Call warn_if_shadowing for parameters used within the
7197         parameter list.
7198         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7199         not used within the parameter list.
7200         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7201
7202 2005-07-30  Jan Hubicka  <jh@suse.cz>
7203
7204         * expr.c (expand_expr_real_1): Do not load mem targets into register.
7205         * i386.c (ix86_fixup_binary_operands): Likewise.
7206         (ix86_expand_unary_operator): Likewise.
7207         (ix86_expand_fp_absneg_operator): Likewise.
7208         * optabs.c (expand_vec_cond_expr): Validate dest.
7209
7210 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7211
7212         PR c/21720
7213         * real.c (real_from_string): Also set last bit if there is a
7214         nonzero hex digit beyond GCC's internal precision after ".".
7215
7216 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
7217
7218         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7219         define_constants.  Change duplicate values to unassigned numbers.
7220         Change UNSPEC_SUBS to UNSPEC_VSUBS.
7221         (*altivec_vspltsf): New.
7222         (altivec_vperm_v4sf): Delete.
7223         (altivec_vperm_<mode>): Use mode macro V.
7224         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7225         (altivec_predicate_v4sf): Delete.
7226         (altivec_predicate_<mode>): Use mode macro V.
7227         (*altivec_lvesfx): New.
7228         (*altivec_stvesfx): New.
7229         (vec_realign_load_v4sf): Delete.
7230         (vec_realign_load_<mode>): Use mode macro V.
7231         * config/rs6000/rs6000.c (generate_set_vrsave): Use
7232         UNSPECV_SET_VRSAVE.
7233
7234 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
7235
7236         PR bootstrap/23131
7237         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7238         string.
7239         * configure: Regenerated.
7240
7241 2005-07-29  Paul Brook  <paul@codesourcery.com>
7242
7243         * doc/install.texi: Add link to GFortran binaries wiki page.
7244
7245 2005-07-29  David Ung  <davidu@mips.com>
7246
7247         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7248         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7249         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7250         * config/mips/mips.md (cpu): Add 5kf name.
7251         (includes): Includes 5k.md.
7252         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7253         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7254         -march flag.
7255
7256 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7257
7258         PR 22550
7259         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7260         (cleanup_tree_cfg): ... here.
7261         Call cleanup_tree_cfg_1 until there are no more cleanups to
7262         do.
7263
7264 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
7265
7266         * tree-vrp.c (compare_range_with_value): Return true or false
7267         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7268         EQ_EXPR respectively.
7269
7270 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
7271
7272         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7273         Fix comment typos.
7274
7275 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7276
7277         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7278         (tree_ssa_dominator_optimize): Increment it.
7279         (dump_dominator_optimization_stats): Print it.
7280
7281 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
7282             Steven Bosscher  <stevenb@suse.de>
7283
7284         PR rtl-optimization/23117
7285         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7286         when head == tail.  Tidy comment.
7287
7288 2005-07-28  Richard Henderson  <rth@redhat.com>
7289
7290         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7291         * cselib.c (rtx_equal_for_cselib_p): Likewise.
7292         * jump.c (rtx_renumbered_equal_p): Likewise.
7293         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7294         CONST_INT and CONST_DOUBLE.
7295         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7296         * reload.c (operands_match_p): Special case CONST_INT and
7297         CONST_DOUBLE; check mode earlier.
7298
7299 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7300
7301         PR c/22240
7302         * c-typeck.c (convert_for_assignment): Do not check
7303         DECL_IN_SYSTEM_HEADER on NULL fundecl.
7304
7305 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7306
7307         PR c/22192
7308         * c-typeck.c (composite_type): Prefer constant size arrays to
7309         VLAs.
7310
7311 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7312
7313         PR c/21720
7314         * real.c (real_from_string): Set last bit if there is a nonzero
7315         hex digit beyond GCC's internal precision.
7316
7317 2005-07-28  Richard Henderson  <rth@redhat.com>
7318
7319         PR rtl-opt/22619
7320         * cfgcleanup.c (try_forward_edges): Watch out for end of
7321         insn chain.
7322
7323 2005-07-28  James E Wilson  <wilson@specifixinc.com>
7324
7325         PR c/23106
7326         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7327
7328 2005-07-28  Jan Hubicka  <jh@suse.cz>
7329
7330         * Makefile.in (rtl-profile.o): Kill all traces of it.
7331         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7332         * coverage.h (rtl_coverage_counter_ref): Kill.
7333         * opts.c (flag_speculative_prefetching_set): Kill.
7334         (flag_loop_optimize_set): New.
7335         (common_handle_option): Disable loop optimizer when profiling;
7336         do not handle speculative prefetching.
7337         * passes.c (init_optimization_passes): Replace pass_profiling combo
7338         by branch_prob pass.
7339         * profile.c (compute_value_histograms): Update for simplified value
7340         profiles.
7341         (rtl_register_profile_hooks): Kill.
7342         (pass_profiling): Kill.
7343         (rest_of_handle_branch_prob): Do not profile.
7344         * toplev.c (process_options): Remove speculative prefetching.
7345         * toplev.h (flag_tree_based_profiling): Kill.
7346         * tree-profile.c (prepare_instrumented_value,
7347         tree_gen_interval_profiler, tree_gen_pow2_profiler,
7348         tree_gen_one_value_profiler, do_tree_profiling): Update for
7349         simplified datastructures.
7350         * value-prof.c: Add comment that speculative prefetching was dropped;
7351         update rest of file for simplified datastructures.
7352         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7353         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7354         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7355         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7356         rtl_mod_subtract, gen_speculative_prefetch,
7357         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7358         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7359         (gate_handle_value_profile_transformations,
7360         rest_of_handle_value_profile_transformations,
7361         pass_value_profile_transformations): Kill.
7362         * value-prof.h (histogram_value_t): Remove IL based unions.
7363         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7364         rtl_profile_hooks): Remove hooks.
7365
7366         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7367
7368         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7369         (cgraph_clone_node): Likewise.
7370         * cgraph.h (cgraph_clone_edge): Update prototype.
7371         (cgraph_clone_node): Likewise.
7372         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7373         cgraph_clone_node.
7374         (lookup_recursive_calls): Consider profile.
7375         (cgraph_decide_recursive_inlining): Fix updating; use new
7376         probability argument; use profile.
7377         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7378         * tree-inline.c (copy_bb): Update clal of clone_edge.
7379         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7380
7381         * invoke.texi (min-inline-recursive-probability): Document.
7382
7383 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
7384
7385         * doc/install.texi (Configuration): Update Valgrind homepage.
7386
7387 2005-07-28  Richard Henderson  <rth@redhat.com>
7388
7389         PR middle-end/21362
7390         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7391         labels we want to delete.
7392         (cfg_layout_merge_blocks): Likewise.
7393
7394 2005-07-28  Richard Henderson  <rth@redhat.com>
7395
7396         PR target/17692
7397         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7398         when expanding to nothing.
7399
7400 2005-07-28  Josh Conner  <jconner@apple.com>
7401
7402         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7403         (cgraph_decide_inlining_of_small_functions): Likewise.
7404
7405 2005-07-28  Josh Conner  <jconner@apple.com>
7406
7407         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
7408         direction of badness if negative.
7409         (cgraph_default_inline_p): Add reason to parameters, and assign it
7410         a value.
7411         (cgraph_decide_inlining_of_small_functions): New parameter in call
7412         to cgraph_default_inline_p.
7413         (cgraph_decide_inlining_incrementally): Likewise.
7414         * cgraphunit.c (decide_is_function_needed): Likewise.
7415         * cgraph.h (cgraph_default_inline_p): Likewise.
7416
7417 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7418
7419         * builtins.c: Fix comment typo(s).
7420         * genautomata.c: Likewise.
7421         * gimplify.c: Likewise.
7422         * tree-dfa.c: Likewise.
7423         * tree-flow-inline.h: Likewise.
7424         * tree-into-ssa.c: Likewise.
7425         * tree-ssa-alias.c: Likewise.
7426         * tree-ssa-ccp.c: Likewise.
7427         * tree-ssa-copy.c: Likewise.
7428         * tree-ssa-dce.c: Likewise.
7429         * tree-ssa-dom.c: Likewise.
7430         * tree-ssa-operands.c: Likewise.
7431         * tree-tailcall.c: Likewise.
7432         * tree-vectorizer.c: Likewise.
7433         * tree-vrp.c: Likewise.
7434         * tree.c: Likewise.
7435
7436 2005-07-28  Jeff Law  <law@redhat.com>
7437
7438         * tree-vrp.c (test_for_singularity): Extracted from  ...
7439         (simplify_cond_using_ranges): Attempt to simplify a relational
7440         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
7441
7442 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
7443
7444         PR tree-optimization/22506
7445         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7446         phis whose argument is constant.
7447
7448 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
7449
7450         PR rtl-optimization/18992
7451         Back out this patch:
7452           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7453           PR optimization/12142
7454           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7455           uses of the register in the SET_SRC.  Remove unnecessary argument.
7456
7457         Replace it with this:
7458         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7459         if flag_non_call_exceptions is set and the insn may trap, pass
7460         pc_rtx as dest for recursion.
7461         In SET_SRC part of SET case, if dest is already set, pass it down
7462         unchanged.
7463
7464 2005-07-28  Jan Hubicka  <jh@suse.cz>
7465
7466         * cfg.c (update_bb_profile_for_threading): Use RDIV.
7467         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7468         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7469         roundoff errors.
7470         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7471         profile when available.
7472
7473 2005-07-28  Jan Beulich <jbeulich@novell.com>
7474
7475         * config/ia64/ia64.c (ia64_load_pair_ok): New.
7476         (ia64_print_operand): Describe and handle 'X'.
7477         (ia64_register_move_cost): Also handle FP_REGS.
7478         (ia64_preferred_reload_class): Likewise.
7479         (ia64_secondary_reload_class): Likewise.
7480         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7481         it. Also check for ITANIUM_CLASS_FLDP.
7482         * config/ia64/ia64.h (FP_REGNO_P): New.
7483         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7484         (reg_class): Add FP_REGS.
7485         (REG_CLASS_NAMES): Adjust for it.
7486         (REG_CLASS_CONTENTS): Likewise.
7487         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7488         (REG_CLASS_FROM_LETTER): Handle 'x'.
7489         (CLASS_MAX_NREGS): Handle FP_REGS.
7490         (MEMORY_MOVE_COST): Likewise.
7491         * config/ia64/ia64.md (itanium_class): Add fldp.
7492         (type): Handle fldp.
7493         (movti_internal): More allowable operand combinations. Use ldfp8 when
7494         splitting unnecessary. Remove predicable attribute. Adjust
7495         itanium_class attribute.
7496         (smuldi3_highpart): Remove outdated comment.
7497         (mulditi3, umulditi3, rotlti3): New expanders.
7498         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7499         (absti2): Disabled new insn for future reference.
7500         Respective new splitters.
7501         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7502         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7503         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7504
7505 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
7506
7507         PR rtl-optimization/23047
7508         * simplify-rtx.c (simplify_const_relational_operation): Respect
7509         flag_wrapv for comparisons with ABS.
7510
7511 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
7512
7513         PR tree-optimization/22493
7514         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7515         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7516
7517 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
7518
7519         * config/frv/frv.opt (moptimize-membar): New.
7520
7521         * doc/invoke.texi: Document -moptimize-membar and its inverse.
7522
7523         * config/frv/frv.h: Remove machine_function definition.
7524
7525         * config/frv/frv.c (struct frv_io): New.
7526         (struct machine_function): Moved from frv.h.  Add has_membar_p.
7527         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7528         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7529         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7530         (frv_optimize_membar_global, frv_optimize_membar): New functions.
7531         (frv_reorg): Call frv_optimize_membar when appropriate.
7532         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7533         (frv_expand_builtin): Adjust calls accordingly.
7534         (frv_io_address_cookie): New function.
7535         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7536         load or store rather than a special insn.  Add ccnstant address and
7537         io-type operands to the membar.
7538         (frv_ifcvt_modify_tests): Unsign regno.
7539         (frv_ifcvt_modify_tests): Same.
7540
7541         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
7542         UNSPEC_OPTIONAL_MEMBAR constant.
7543         (builtin_read_<mode>): Delete.
7544         (builtin_write_<mode>): Delete.
7545         ("optional_membar_<mode>"): Add operand.
7546
7547         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7548         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7549         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7550         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7551         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7552         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7553         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7554         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7555         * testsuite/gcc.target/frv/all-read-write-1.c: New.
7556
7557 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7558
7559         * df.c (df_uses_record): Handle SCRATCH.
7560
7561 2005-07-28  Steven Bosscher  <stevenb@suse.de>
7562
7563         PR debug/20161
7564         * passes.c (rest_of_decl_compilation): If decl is a type and
7565         we have encountered errors, don't emit debug information.
7566
7567 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
7568
7569         * params.def: Fixed comment.
7570
7571 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
7572
7573         PR target/19885
7574         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7575         (TARGET_ASM_UNALIGNED_HI_OP): Add.
7576         (TARGET_ASM_UNALIGNED_SI_OP): Add.
7577
7578 2005-07-27  Steven Bosscher  <stevenb@suse.de>
7579
7580         PR c++/22003
7581         * varasm.c (assemble_start_function): Don't do anything that may
7582         require a CFG if the current function is a thunk.
7583
7584 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
7585
7586         * doc/install.texi (Prerequisites): Mention that perl is needed
7587         to do export control in libstdc++ targetting Darwin.
7588
7589 2005-07-27  Steven Bosscher  <stevenb@suse.de>
7590
7591         PR rtl-optimization/17808
7592         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7593         (sched_insns_conditions_mutex_p): Split out from...
7594         (add_dependence): ...here.  But don't call it from here.
7595         (add_dependence_list): Check sched_insns_conditions_mutex_p
7596         before calling add_dependence.
7597         (add_dependence_list_and_free): Likewise.
7598         (fixup_sched_groups): Likewise.
7599         (sched_analyze_1): Likewise.
7600         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7601         (sched_analyze): Likewise.
7602         (sched_analyze_insn): Likewise.
7603         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7604         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
7605         dependencies on all COND_EXEC insns to jumps ending basic blocks
7606         when doing intrablock scheduling.
7607         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7608
7609 2005-07-27  Jeff Law  <law@redhat.com>
7610
7611         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7612         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
7613         equivalency sets, correctly handle the case were vr0 has an
7614         equivalency set, but vr1 does not.
7615
7616 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
7617
7618         PR tree-optimization/23073
7619         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7620         vect_print_dump_info before fprintf.
7621
7622 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7623
7624         PR tree-optimize/22348
7625         * tree-ssa-loop-niter.c (number_of_iterations_cond):
7626         Fold the partial computation.
7627
7628 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7629
7630         PR tree-optimization/22325
7631         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7632         Declare.
7633         * tree-scalar-evolution.c (scev_const_prop): Add generic final
7634         value replacement.
7635         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7636         (force_var_cost): ... this function.
7637         (compute_phi_arg_on_exit): Export.
7638
7639 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7640
7641         PR tree-optimization/20773
7642         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7643         edge.
7644
7645 2005-07-27  Richard Guenther  <rguenther@suse.de>
7646
7647         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7648         Avoid pushing again if current struct contains only
7649         fields we decomposed.
7650
7651 2005-07-27  Jan Hubicka  <jh@suse.cz>
7652
7653         PR tree-optimization/22574
7654         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7655         not available.
7656
7657         * tree-tailcall.c (decrease_profile): New function.
7658         (eliminate_tail_call): Use it.
7659
7660         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7661         visibility flags correctly in whole program mode.
7662
7663 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
7664
7665         PR rtl-optimization/22472
7666         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7667
7668 2005-07-26  Steven Bosscher  <stevenb@suse.de>
7669
7670         PR tree-optimization/22504
7671         * tree-complex.c (expand_complex_addition): Use 'code' instead
7672         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7673
7674 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7675
7676         * config.gcc (cpu_type): Add frv case.
7677         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7678         (supported_defaults): Add fr550 case.
7679
7680 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
7681
7682         PR 22591
7683         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7684         whether a pointer of type T * may point to objects of type T *.
7685
7686 2005-07-26  DJ Delorie  <dj@redhat.com>
7687
7688         * configure: Regenerate.
7689
7690 2005-07-26  Dale Johannesen  <dalej@apple.com>
7691
7692         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
7693
7694 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
7695
7696         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7697         Clarify use of "build" in name.
7698
7699 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7700
7701         * doc/extend.texi (Raw read/write Functions): New section.
7702         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7703         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7704         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7705         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7706         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7707         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7708         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7709         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7710         * config/frv/frv.c: Add bdesc_loads global.
7711         Add bdesc_stores global.
7712         (frv_init_builtins): Add support for __builtin_{read/write}*.
7713         (frv_volatile_memref): New.
7714         (frv_expand_load_builtin): New.
7715         (frv_expand_store_builtin): New.
7716         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7717         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7718         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7719         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7720         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7721         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7722         (builtin_read_<mode>): New.
7723         (builtin_write_<mode>): New.
7724         (builtin_write64): New.
7725         (optional_membar_<mode>): New.
7726
7727 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
7728
7729         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7730         (rather than units) against HOST_BITS_PER_WIDE_INT.
7731
7732 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
7733
7734         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7735         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7736         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7737         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7738         FSF address.
7739
7740         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7741         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7742         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7743         comment typos.
7744         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7745
7746 2005-07-26  Richard Guenther  <rguenther@suse.de>
7747
7748         PR tree-optimization/22486
7749         * fold-const.c (fold_unary): Fold away useless component
7750         references of the form (T *)&T.x, if the address
7751         doesn't change.
7752
7753 2005-07-25  James E Wilson  <wilson@specifixinc.com>
7754
7755         * dwarf2out.c (add_call_src_coords_attributes): New.
7756         (gen_inlined_subroutine_die): Call it.
7757         (maybe_emit_file, init_file_table): Add comments.
7758         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7759         maybe_emit_file.
7760         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7761         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7762         * tree.h (BLOCK_SOURCE_LOCATION): New.
7763         (struct tree_block): New field locus.
7764
7765 2005-07-26  Andreas Schwab  <schwab@suse.de>
7766
7767         PR rtl-optimization/23043
7768         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7769         when allocating a struct unoccr.
7770
7771 2005-07-25  Richard Henderson  <rth@redhat.com>
7772
7773         PR 22626
7774         * tree-complex.c (gate_no_optimization): True if errors.
7775         * Makefile.in (tree-complex.o): Update dependencies.
7776
7777 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
7778
7779         * config/frv/predicates.md (integer_register_operand): Use
7780         GPR_AP_OR_PSEUDO_P.
7781
7782 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7783
7784         PR tree-opt/22484
7785         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7786         after fold.
7787         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7788
7789 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7790
7791         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7792         types when flag_unsafe_math_optimizations is true.
7793
7794 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
7795
7796         * gcc.c (option_map): Add --sysroot.
7797         (process_command): Handle --sysroot.
7798         (display_help): Document it.
7799         * doc/cppopts.tex (-isysroot): Document.
7800         * doc/invoke.texi (--sysroot): Document.
7801         * doc/install.texi (--with-build-sysroot): Document.
7802
7803         * Makefile.in (inhibit_libc): New variable.
7804         (INHIBIT_LIBC_CFLAGS): Likewise.
7805         (LIBGCC2_CFLAGS): Include
7806         $(INHIBIT_LIBC_CFLAGS).
7807         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7808         ($(T)crtbegin.o): Do not use @inhibit_libc@.
7809         ($(T)crtend.o): Likewise.
7810         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7811         ($(T)crtendS.o): Likewise.
7812         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7813         ($(T)crtendT.o): Likewise.
7814         (stmp-fixinc): Do not complain about missing headers if
7815         inhibit_libc.
7816         * configure.ac (inhibit_libc): Set it to true/false.
7817         (--with-build-sysroot): New option.  Use it to set
7818         SYSTEM_HEADER_DIR.
7819         * configure: Regenerated.
7820
7821 2005-07-25  Manfred Hollstein  <mh@suse.com>
7822
7823         * calls.c (store_one_arg): Fix unsigned comparison warning.
7824
7825 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7826
7827         PR other/22337
7828         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7829         (ggc_print_statistics): Initialize variable before use.
7830
7831 2005-07-25  Richard Guenther  <rguenther@suse.de>
7832
7833         * tree-dfa.c (mark_new_vars_to_rename): Protect against
7834         calling with a PHI_NODE argument.
7835
7836         * tree-flow-inline.h (overlap_subvar): Protect against
7837         possible overflow.
7838
7839 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
7840
7841         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7842         * configure: Regenerate.
7843
7844 2005-07-25  Ira Rosen  <irar@il.ibm.com>
7845
7846         * expr.c (highest_pow2_factor): Make extern.
7847         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7848         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7849         record_array_differ_p, array_ptr_differ_p): Likewise.
7850         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7851         additional cases. Call the above functions.
7852         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7853         base_object_differ_p when there are two base objects. Otherwise, compare
7854         base address and offset. Call may_alias_p.
7855         (dump_data_reference): Use a correct field name.
7856         (analyze_array): Make static. Initialize new data-ref fields.
7857         (analyze_indirect_ref): New function.
7858         (init_data_ref): Initialize new data-ref fields.
7859         (strip_conversion): Moved from tree-vect-analyze.c.
7860         (analyze_offset_expr, get_ptr_offset, address_analysis,
7861         object_analysis): Likewise.
7862         (analyze_offset): New function.
7863         (create_data_ref): Likewise.
7864         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7865         dimensions for ARRAY_REFs only.
7866         (build_classic_dist_vector): Make static.
7867         (access_functions_are_affine_or_constant_p): Call macro to get the
7868         address of access functions.
7869         (compute_all_dependences): Add new parameter
7870         compute_self_and_read_read_dependences. Compute self and read-read
7871         dependences if it is true.
7872         (find_data_references_in_loop): Call create_data_ref. Initialize new
7873         data-ref fields.
7874         (compute_data_dependences_for_loop): Add new parameter
7875         compute_self_and_read_read_dependences. Remove parameter nb_loops,
7876         compute nb_loops. Call compute_all_dependences,
7877         build_classic_dist_vector and build_classic_dir_vector with correct
7878         parameters.
7879         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7880         with correct parameters. Compare dimensions for ARRAY_REFs only.
7881         (free_data_refs): Call macro to free access functions.
7882         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7883         fields from stmt_vinfo.
7884         (struct base_object_info): New structure.
7885         (struct data_reference): Move fields to base_object_info. Add fields
7886         first_location and object_info for above structures. Move fields from
7887         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7888         aligned_to.  Add macros to access the new fields.
7889         Update functions declarations.
7890         * tree-flow.h (is_aliased_with): Declare.
7891         * tree-loop-linear.c (linear_transform_loops): Call
7892         compute_data_dependences_for_loop with correct parameters.
7893         * tree-ssa-alias.c (is_aliased_with): New function.
7894         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7895         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7896         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7897         vect_base_addr_differ_p, compute_subscript_distance and
7898         build_classic_dist_vector. Add printings. Check absolute value of
7899         distance.
7900         (vect_analyze_data_ref_dependences): Go through ddrs instead of
7901         data-refs.
7902         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7903         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7904         to bytes. Add printing.
7905         (vect_compute_data_refs_alignment): Go through loads and stores in one
7906         loop.
7907         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7908         vect_analyze_data_ref_access): Likewise.
7909         (vect_analyze_pointer_ref_access): Remove.
7910         (vect_address_analysis, vect_object_analysis): Likewise.
7911         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7912         and analyze data-refs in the loop.
7913         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7914         fields of data-ref instead of stmt. Add init to the offset from the
7915         base.
7916         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7917         (vect_update_init_of_dr): Likewise.
7918         (vect_update_inits_of_drs): Go through loads and stores in one loop.
7919         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7920         removed fields.
7921         (new_loop_vec_info): Initialize new fields.
7922         (destroy_loop_vec_info): Free new fields.
7923         (vect_strip_conversion): Remove.
7924         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7925         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7926         datarefs. Add new field ddrs.
7927         Add macros for the new fields access.
7928         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7929         base_aligned_p, misalignment, memtag, ptr_info and subvars.
7930         Remove their macros.
7931         * tree.h (highest_pow2_factor): Declare.
7932
7933 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
7934
7935         * calls.c (store_one_arg): Check for sibling call MEM arguments
7936         from already clobbered incoming argument area.
7937
7938 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7939
7940         * c-common.c (check_missing_format_attribute): New.
7941         * c-common.h (check_missing_format_attribute): Likewise.
7942         * c-typeck.c (convert_for_assignment): Use it.
7943
7944 2005-07-24  Andreas Schwab  <schwab@suse.de>
7945
7946         * config/m68k/m68k.md ("extendqidi2"): When source is an address
7947         register use a word move.  Correct operand of ext.w in 68000 code.
7948
7949 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
7950
7951         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7952         variables as declarations, rather than definitions.
7953
7954 2005-07-24  Ira Rosen  <irar@il.ibm.com>
7955
7956         PR tree-optimization/22526
7957         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7958         of the zero node.
7959
7960 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7961
7962         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7963         that C99 reserve for future use. Use it to define clog10,
7964         clog10f and clog10l.
7965
7966 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7967
7968         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7969         * configure.ac: Check for -Wmissing-format-attribute.
7970
7971         * configure: Regenerate.
7972
7973 2005-07-23  Richard Henderson  <rth@redhat.com>
7974
7975         PR tree-optimization/22623
7976         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7977
7978 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
7979
7980         PR target/22577
7981         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7982
7983 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7984
7985         * Makefile.in (C_TREE_H): Update dependencies.
7986         * c-tree.h: Include toplev.h.
7987         * diagnostic.h (diagnostic_set_info): Add format attribute.
7988         * rtl-error.c (diagnostic_for_asm): Likewise.
7989
7990 2005-07-23  Chao-ying Fu  <fu@mips.com>
7991
7992         * config/mips/mips-dsp.md: New file.
7993         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7994         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7995         functions.
7996         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7997         MIPS_BUILTIN_BPOSGE32.
7998         (mips_expand_builtin_direct): Add one parameter to indicate that
7999         builtin functions need to return a value.
8000         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8001         functions.
8002         (mips_regno_to_class): Add classes for 12 new DSP registers.
8003         (mips_subword): Change to check four HI registers.
8004         (mips_output_move): Output move to and from 6 new DSP accumulators.
8005         (override_options): Make sure -mdsp and -mips16 are not used together.
8006         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8007         for machine modes.
8008         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8009         when !TARGET_DSP.
8010         (print_operand): Add 'q' for printing DSP accumulators.
8011         (mips_cannot_change_mode_class): Check ACC_REGS.
8012         (mips_secondary_reload_class): Check ACC_REGS.
8013         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8014         (mips_register_move_cost): Check ACC_REGS.
8015         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8016         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8017         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8018         (dsp_bdesc): New array.
8019         (bdesc_arrays): Add DSP builtin function table.
8020         (mips_prepare_builtin_arg): Check predicate again after
8021         copy_to_mode_reg.
8022         (mips_expand_builtin): Add one more parameter to
8023         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8024         MIPS_BUILTIN_BPOSGE32.
8025         (mips_init_builtins): Initialize new function types.
8026         (mips_expand_builtin_direct): Check if builtin functions need to
8027         return a value and pass operands properly.
8028         (mips_expand_builtin_bposge): New function.
8029         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8030         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8031         (FIRST_PSEUDO_REGISTER): Increase to 188.
8032         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8033         Update for 12 new DSP registers.
8034         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8035         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8036         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8037         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8038         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8039         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8040         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8041         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8042         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8043         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8044         (REGISTER_NAMES): Add names for 12 new DSP registers.
8045         * config/mips/mips.md: Include mips-dsp.md.
8046         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8047         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8048         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8049         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8050         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8051         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8052         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8053         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8054         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8055         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8056         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8057         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8058         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8059         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8060         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8061         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8062         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8063         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8064         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8065         (UNSPEC_RDDSP): New constants.
8066         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8067         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8068         A<-d alternative.
8069         * config/mips/mips.opt (-mdsp): New option.
8070         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8071         (reg_imm10_operand): New predicates.
8072         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8073         * doc/invoke.texi (-mdsp): Document new option.
8074
8075 2005-07-22  DJ Delorie  <dj@redhat.com>
8076
8077         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8078         to warning calls.
8079         * tree-inline.c (inlinable_function_p): Likewise.
8080
8081 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8082
8083         PR debug/21828
8084         * toplev.c (check_global_declarations): Do not mark undefined
8085         variables as DECL_IGNORED_P.
8086         * varasm.c (first_global_object_name): GTY it.
8087         (weak_global_object_name): Likewise.
8088         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8089         a string to go into {weak,first}_global_object_name.
8090
8091 2005-07-22  DJ Delorie  <dj@redhat.com>
8092
8093         * c-format.c (check_function_format): Change warning control
8094         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8095
8096 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8097
8098         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8099         &PTR->FLD a dereference of PTR.
8100         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8101         a potential dereference of PTR.
8102
8103 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8104
8105         PR rtl-optimization/20370
8106         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8107         call allocate_reg_info if necessary.
8108
8109         PR rtl-optimization/21848
8110         * calls.c (emit_library_call_value_1): For const functions, add
8111         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8112
8113         PR rtl-optimization/22445
8114         * cselib.c (target.h): Include.
8115         (rtx_equal_for_cselib_p): Allow commutative matches.
8116         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8117         Remove MODE parameter.  Changed all callers.
8118
8119         PR rtl-optimization/22258
8120         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8121         New functions.
8122         (try_combine): Use likely_spilled_retval_p.
8123
8124 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8125
8126         * config.gcc: Add crx-elf support.
8127
8128         * doc/contrib.texi: Mention crx.
8129         * doc/extend.texi: Document crx extensions.
8130         * doc/install.texi: Document crx install.
8131         * doc/invoke.texi: Document crx options.
8132         * doc/md.texi: Document crx constraints.
8133
8134         * config/crx/crx-protos.h: New file.
8135         * config/crx/crx.c: New file.
8136         * config/crx/crx.h: New file.
8137         * config/crx/crx.md: New file.
8138         * config/crx/crx.opt: New file.
8139         * config/crx/t-crx: New file.
8140
8141 2005-07-22  Manfred Hollstein  <mh@suse.com>
8142
8143         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8144         warnings.
8145         (int_add_graph_edge): Likewise.
8146         (collapse_nodes): Likewise.
8147         (process_unification_queue): Likewise.
8148
8149 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8150             Laurent GUERBY  <laurent@guerby.net>
8151
8152         PR tree-optimization/22336
8153         * function.c (record_block_change): Check for
8154         cfun->ib_boundaries_block.
8155
8156 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
8157
8158         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8159         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8160
8161 2005-07-21  DJ Delorie  <dj@redhat.com>
8162
8163         * toplev.c (warn_deprecated_use): Add warning control to warning
8164         call.
8165         * c-typeck.c (parser_build_binary_op): Likewise.
8166         (c_finish_if_stmt): Likewise.
8167         * c-common.c (check_function_sentinel): Likewise.
8168         (check_nonnull_arg): Likewise.
8169
8170 2005-07-21  Richard Henderson  <rth@redhat.com>
8171
8172         PR tree-opt/22504
8173         * tree-complex.c (complex_ssa_name_components): New.
8174         (cvc_lookup): Allow entry not found.
8175         (create_components): Remove.
8176         (create_one_component_var, get_component_var): New.
8177         (get_component_ssa_name, set_component_ssa_name): New.
8178         (extract_component): Use get_component_ssa_name.
8179         (update_complex_components): Use set_component_ssa_name.
8180         (update_complex_components_on_edge): Likewise.
8181         (update_phi_components): Create new PHI nodes directly, instead
8182         of adding insns to edges.
8183         (tree_lower_complex): Allocate and free complex_variable_components
8184         and complex_ssa_name_components here.
8185
8186 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
8187
8188         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8189         revert to returning false.
8190
8191 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8192
8193         PR target/21149
8194         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8195
8196 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8197
8198         PR target/22576
8199         * config/i386/i386.md (cmpxf): Change operand constraints
8200         to "nonmemory_operand".
8201
8202 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8203
8204         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8205
8206 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8207
8208         PR middle-end/21180
8209         * fold-const.c (fold_build1): Add checksum for the operands.
8210         (fold_build2): Likewise.
8211         (fold_build3): Likewise.
8212
8213 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8214
8215         PR middle-end/19055
8216         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8217
8218 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8219
8220         * common.opt (-fforward-propagate): Committed by mistake,
8221         removed.
8222
8223 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8224
8225         * reg-stack.c: Fix comment typo(s).
8226         * tree-ssa-operands.c: Likewise.
8227         * tree-vectorizer: Likewise.
8228
8229 2005-07-21  Nick Clifton  <nickc@redhat.com>
8230
8231         * config/sh/symbian.c: Replace C++ style line comments with C
8232         style line comments.
8233         (symbian_add_attribute): Do not use a ? operator on the LHS of
8234         an assignment.
8235         (sh_symbian_handle_dll_attribute): Change the type of the
8236         method vector to "VEC(tree,gc)*" and use vector accessor
8237         macros to walk over the elements.
8238         (symbian_export_vtable_and_rtti_p): Likewise.
8239         (symbian_class_needs_attribute_p): Likewise.
8240
8241 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8242
8243         PR target/22085
8244         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8245         initialize targetm.resolve_overloaded_builtin here.
8246         (altivec_expand_overloaded_builtin): Make it non-static.
8247         * config/rs6000/rs6000-protos.h
8248         (altivec_expand_overloaded_builtin): New prototype.
8249         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8250         targetm.resolve_overloaded_builtin here.
8251         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8252
8253 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8254             Zdenek Dvorak  <dvorakz@suse.cz>
8255
8256         PR tree-optimization/19210
8257         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8258         New.
8259         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8260         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8261         rely on unproven assumptions.
8262         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8263         * tree-flow.h (number_of_iterations_exit): Add final parameter.
8264         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8265         to number_of_iterations_exit.
8266         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8267         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8268         * tree-ssa-loop-niter.c (find_loop_niter,
8269         estimate_numbers_of_iterations_loop): Likewise.
8270         (number_of_iterations_exit): Honor the new options.
8271         * doc/invoke.texi (Wunsafe-loop-optimizations,
8272         funsafe-loop-optimizations): Document them.
8273
8274 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
8275
8276         PR rtl-optimization/22167
8277         * gcse.c (hoist_code): Fix hoist_exprs[] check.
8278
8279 2005-07-20  Adam Nemet  <anemet@lnxw.com>
8280
8281         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8282         __do_global_dtors_aux longcall.
8283
8284 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
8285
8286         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8287         (old_special_pred_table): Don't reference
8288         SPECIAL_MODE_PREDICATES.
8289         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8290         * config/arc/arc.h: Don't mention PREDICATE_CODES.
8291         * config/sh/predicates.h: Don't mention
8292         SPECIAL_MODE_PREDICATES.
8293         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8294         Remove.
8295
8296 2005-07-20  DJ Delorie  <dj@redhat.com>
8297
8298         * config.gcc: Add m32c-elf support.
8299
8300         * doc/contrib.texi: Mention m32c.
8301         * doc/extend.texi: Document m32c extensions.
8302         * doc/install.texi: Mention m32c.
8303         * doc/invoke.texi: Document m32c options.
8304         * doc/md.texi: Document m32c constraints.
8305
8306         * config/m32c/addsub.md: New file.
8307         * config/m32c/bitops.md: New file.
8308         * config/m32c/cond.md: New file.
8309         * config/m32c/jump.md: New file.
8310         * config/m32c/m32c-lib1.S: New file.
8311         * config/m32c/m32c-lib2.c: New file.
8312         * config/m32c/m32c-modes.def: New file.
8313         * config/m32c/m32c-pragma.c: New file.
8314         * config/m32c/m32c-protos.h: New file.
8315         * config/m32c/m32c.abi: New file.
8316         * config/m32c/m32c.c: New file.
8317         * config/m32c/m32c.h: New file.
8318         * config/m32c/m32c.md: New file.
8319         * config/m32c/m32c.opt: New file.
8320         * config/m32c/minmax.md: New file.
8321         * config/m32c/mov.md: New file.
8322         * config/m32c/muldiv.md: New file.
8323         * config/m32c/predicates.md: New file.
8324         * config/m32c/prologue.md: New file.
8325         * config/m32c/shift.md: New file.
8326         * config/m32c/t-m32c: New file.
8327
8328 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8329
8330         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8331         (stack_protect_set, stack_protect_test): New expanders.
8332         (stack_protect_set_si, stack_protect_set_si_media,
8333         stack_protect_set_di_media, stack_protect_test_si,
8334         stack_protect_test_si_media, stack_protect_test_di_media):
8335         New insns.
8336
8337 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
8338
8339         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8340
8341 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
8342
8343         * tree.h (tree_expr_nonzero_p): Export.
8344         * fold-const.c (tree_expr_nonzero_p): Likewise.
8345         Return true for CALL_EXPRs that are alloca calls.
8346         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8347         against zero.
8348         * tree-flow.h (expr_computes_nonzero): Remove.
8349         * tree-vrp.c (expr_computes_nonzero): Remove.
8350         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8351         (extract_range_from_unary_expr): Likewise.
8352         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8353         tree_expr_nonzero_p.
8354
8355 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
8356
8357         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8358         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
8359         extra arg "picreg" and use it instead of pic_offset_table_rtx.
8360         All callers changed.
8361         (frame_related_constant_load): New arg "related" which controls
8362         setting of RTX_FRAME_RELATED_P.  All callers changed.
8363         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8364         (bfin_expand_prologue): Add stack limit checking.
8365         * config/bfin/bfin.md (trapifcc): New pattern.
8366
8367         * config/bfin/bfin.c: Include "langhooks.h".
8368         (def_builtin): Go through lang_hooks to call builtin_function.
8369
8370         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8371         * config/bfin/predicates.md (symbol_ref_operand): New.
8372         (call_insn_operand): Delete.  All callers changed to use
8373         register_no_elim_operand.
8374         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8375         call_cookie field.
8376         (function_arg): Use it to generate the call's operand 2.
8377         (bfin_longcall_p): New function.
8378         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
8379         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
8380         determine if the address needs to be in a REG.
8381         (bfin_handle_longcall_attribute): New function.
8382         (bfin_attribute_table): Add "longcall" and "shortcall".
8383         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8384         (CUMULATIVE_ARGS): New member call_cookie.
8385         (PREDICATE_CODES): Add symbol_ref_operand.
8386         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8387         extra USE to the pattern.
8388         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8389         New patterns, split off call_insn, sibcall_insn, call_value_insn and
8390         sibcall_value_insn; now the new patterns handle direct calls and the
8391         old ones indirect calls.
8392         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8393
8394 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
8395
8396         * doc/trouble.texi: Update section on handling of empty loops.
8397
8398 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
8399
8400         * config.gcc: Remove support for sparc-*-openbsd*,
8401         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8402         ns32k-*-netbsd*.
8403         * config.host: Remove support for i860-*-sysv4* as a host.
8404         * config/i860/*, config/ip2k/*, config/ns32k/*,
8405         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8406         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8407         mention obsolete ports.
8408
8409 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8410
8411         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8412         soft frame pointer.
8413         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8414         of frame_pointer_rtx.
8415         (sh_expand_epilogue): Likewise.
8416         (sh_set_return_address): Likewise.
8417         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8418         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
8419         offsets from FRAME_POINTER_REGNUM.
8420         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8421         (sh_register_names): Add initializer for sfp.
8422         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8423         (VALID_REGISTER_P): Likewise.
8424         (FIRST_PSEUDO_REGISTER): Update.
8425         (DWARF_FRAME_REGISTERS): Define.
8426         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8427         (HARD_FRAME_POINTER_REGNUM): Define.
8428         (FRAME_POINTER_REGNUM): Redefine.
8429         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8430         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
8431         from FRAME_POINTER_REGNUM.
8432         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8433         FRAME_POINTER_REGNUM.
8434         (REG_CLASS_CONTENTS): Add sfp.
8435         (REG_ALLOC_ORDER): Likewise.
8436         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
8437         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8438         of frame_pointer_rtx.
8439         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8440
8441 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
8442
8443         * fold-const.c (tree_expr_nonnegative_p): Only return true for
8444         ABS_EXPR when flag_wrapv is false because of INT_MIN.
8445         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8446         of an ABS_EXPR.
8447         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8448         ABS_EXPR<x>.
8449
8450 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
8451
8452         Make CONSTRUCTOR use VEC to store initializers.
8453         * c-common.c (complete_array_type): Update to cope with VEC in
8454         CONSTRUCTOR_ELTS.
8455         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8456         (pp_c_constructor_elts): New function.
8457         * c-pretty-print.h (pp_c_constructor_elts): Declare.
8458         * c-typeck.c (build_function_call, build_c_cast, digest_init,
8459         struct constructor_stack, struct initializer_stack,
8460         constructor_elements, push_init_level, pop_init_level,
8461         add_pending_init, find_init_member, output_init_element): Update to
8462         cope with VEC in CONSTRUCTOR_ELTS.
8463         * coverage.c (build_fn_info_value, build_ctr_info_value,
8464         build_gcov_info): Likewise.
8465         * expr.c (categorize_ctor_elements_1, store_constructor,
8466         expand_expr_real_1): Likewise.
8467         * fold-const.c (fold_ternary): Likewise.
8468         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8469         gimplify_init_constructor, gimplify_expr): Likewise.
8470         * tree-dump.c (dequeue_and_dump): Likewise.
8471         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8472         node.
8473         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8474         CONSTRUCTOR_ELTS.
8475         * tree-sra.c (generate_element_init_1): Likewise.
8476         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8477         * tree-ssa-operands.c (get_expr_operands): Likewise.
8478         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8479         * tree-vect-transform.c (vect_get_vec_def_for_operand):
8480         (get_initial_def_for_reduction): Likewise.
8481         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8482         value handle in annotations.
8483         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8484         tree_node_structure): Add support for constr_kind.
8485         (build_vector_from_ctor, build_constructor_single,
8486         build_constructor_from_list): New functions.
8487         (build_constructor): Update to take a VEC instead of a TREE_LIST.
8488         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8489         Update to cope with VEC in CONSTRUCTOR_ELTS.
8490         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8491         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8492         CONSTRUCTOR_APPEND_ELT): New macros.
8493         (struct constructor_elt, struct tree_constructor): New data types.
8494         (union tree_node): Add tree_constructor field.
8495         * treestruct.def: Define TS_CONSTRUCTOR.
8496         * varasm.c (const_hash_1, compare_constant, copy_constant,
8497         compute_reloc_for_constant, output_addressed_constants,
8498         initializer_constant_valid_p, output_constant,
8499         array_size_for_constructor, output_constructor): Update to cope with
8500         VEC in CONSTRUCTOR_ELTS.
8501         * vec.h (VEC_empty, VEC_copy): New macros.
8502
8503 2005-07-19  Devang Patel  <dpatel@apple.com>
8504
8505         * dbxout.c (dbxout_type): Check Objective-C++ lang.
8506
8507 2005-07-19  Richard Henderson  <rth@redhat.com>
8508
8509         PR tree-opt/22278
8510         * gimplify.c (gimplify_expr): Use main variant type for the temp
8511         destination for a discarded volatile read.
8512         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8513         casts between non-void types that change volatility.
8514
8515 2005-07-15  DJ Delorie  <dj@redhat.com>
8516
8517         * toplev.h: Add comment about the first parameter for warning().
8518         * errors.h: Likewise.
8519
8520         * c.opt (Wpragmas): New.
8521         * doc/invoke.texi: Document it.
8522
8523         * function.c (do_warn_unused_parameter): Add warning control to
8524         warning call.
8525         * c-decl.c (warn_if_shadowing): Likewise.
8526         * c-lex.c (cb_def_pragma): Likewise.
8527         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8528         (pop_alignment): Likewise.
8529         (handle_pragma_pack): Likewise.
8530         (apply_pragma_weak): Likewise.
8531         (handle_pragma_weak): Likewise.
8532         (handle_pragma_redefine_extname): Likewise.
8533         (add_to_renaming_pragma_list): Likewise.
8534         (handle_pragma_extern_prefix): Likewise.
8535         (maybe_apply_renaming_pragma): Likewise.
8536         (handle_pragma_visibility): Likewise.
8537
8538         * config/c4x/c4x-c.c (BAD): Likewise.
8539         (c4x_parse_pragma): Likewise.
8540         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8541         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8542         (rs6000_pragma_longcall): Likewise.
8543         * config/v850/v850-c.c (pop_data_area): Likewise.
8544         (ghs_pragma_section): Likewise.
8545         (ghs_pragma_section): Likewise.
8546         (ghs_pragma_interrupt): Likewise.
8547         (ghs_pragma_starttda): Likewise.
8548         (ghs_pragma_startsda): Likewise.
8549         (ghs_pragma_startzda): Likewise.
8550         (ghs_pragma_endtda): Likewise.
8551         (ghs_pragma_endsda): Likewise.
8552         (ghs_pragma_endzda): Likewise.
8553
8554 2005-07-19  Danny Berlin <dberlin@dberlin.org>
8555             Kenneth Zadeck <zadeck@naturalbridge.com>
8556
8557         * Makefile.in: Removed tree-promote-statics.c
8558         * tree-promote-statics.c: Removed.
8559         * common.opt: Removed flag-promote-statics.
8560         * opts.c: Ditto.
8561         * passes.c: Removed tree-promote-statics pass.
8562         * tree-pass.h: Ditto.
8563         * timevar.def: Removed TV_PROMOTE_STATICS.
8564
8565
8566 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
8567
8568         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8569         and *-*-freebsd9.
8570         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8571
8572 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8573
8574         PR c/22476
8575         * c-common.c (check_function_arguments): Call
8576         'check_function_format' if either -Wformat or
8577         -Wmissing-format-attribute are specified.
8578         * c-format.c (check_function_format): Check -Wformat before
8579         calling 'check_format_info'.
8580         * c-opts.c (c_common_post_options): Don't warn for
8581         -Wmissing-format-attribute without -Wformat.
8582         * c-typeck.c (convert_for_assignment): Detect additional cases for
8583         -Wmissing-format-attribute.
8584         * doc/invoke.texi (-Wmissing-format-attribute): Document new
8585         behavior.
8586
8587 2005-07-19  Richard Guenther  <rguenther@suse.de>
8588
8589         * config/i386/i386.md (lrint<mode>2): Use temporary
8590         instead of clobbering non-existent memory.
8591
8592 2005-07-19  Nick Clifton  <nickc@redhat.com>
8593
8594         * config/avr/avr.c (legitimate_address_p): Fix debugging print
8595         statement to avoid displaying ASCII control characters.
8596
8597 2005-07-19  Ben Elliston  <bje@au.ibm.com>
8598
8599         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8600         * cfganal.c (find_edge_index): Ditto.
8601         * combine.c (combine_instructions): Ditto.
8602         * ddg.c (create_scc): Ditto.
8603         (find_successors): Ditto.
8604         (find_predecessors): Ditto.
8605         (find_nodes_on_paths): Ditto.
8606         (longest_simple_path): Ditto.
8607         * flow.c (update_life_info): Ditto.
8608         (count_or_remove_death_notes): Ditto.
8609         (clear_log_links): Ditto.
8610         * modulo-sched.c (generate_reg_moves): Ditto.
8611         (find_max_asap): Ditto.
8612         (find_max_hv_min_mob): Ditto.
8613         (find_max_dv_min_mob): Ditto.
8614         * sbitmap.c (sbitmap_first_set_bit): Ditto.
8615         * sched-rgn.c (extract_edgelst): Ditto.
8616         * tree-into-ssa.c (prepare_names_to_update): Ditto.
8617         (dump_update_ssa): Ditto.
8618         (ssa_names_to_replace) Ditto.
8619         (switch_virtuals_to_full_rewrite): Ditto.
8620         (update_ssa): Ditto.
8621         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8622
8623 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
8624
8625         Fix PR tree-optimization/22483
8626
8627         * tree-complex.c (create_components): Use
8628         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8629         * tree-flow-inline.h (fill_referenced_var_vec): New function.
8630         * tree-flow.h (safe_referenced_var_iterator): New structure.
8631         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8632         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8633         safe_referenced_var iterator.
8634         (add_type_alias): Ditto.
8635
8636 2005-07-19  Steven Bosscher  <stevenb@suse.de>
8637
8638         * loop-init.c (rest_of_handle_loop2): Remove.
8639         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8640         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8641         (pass_rtl_loop_init, pass_rtl_loop_done,
8642         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8643         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8644         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8645         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8646         pass_tree_loop_done, and pass_tree_unswitch.
8647         (gate_loop): Rename to gate_tree_loop.
8648         * passes.c (init_optimization_passes): Update for renamed tree
8649         loop passes.  Add the new loop2 passes as subpasses of loop2.
8650         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8651         Update for the renamed tree loop passes.
8652
8653 2005-07-18  Ian Lance Taylor  <ian@airs.com>
8654
8655         PR middle-end/22057
8656         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8657         blocks when optimizing.
8658
8659 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
8660
8661         * common.opt (frename-registers): Initialize to 2.
8662         (fweb): Ditto.
8663         (fgcse-after-reload): Ditto.
8664         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8665         (process_options): Only change flag_web, flag_rename_registers,
8666         and flag_rerun_cse_after_loop if not explicitly set by user.
8667
8668 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8669
8670         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8671         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8672         in 64-bit mode the same as DImode in 32-bit mode.
8673         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8674         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8675         mode. Add new mode parameter.
8676         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8677         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8678         x86_64_shift_adj): New expanders.
8679         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8680         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8681         insns.
8682         Respective new splitters. Use renamed shift splitter helpers in 32-bit
8683         DImode shift splitters.
8684         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8685         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8686         mode parameter.
8687
8688 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8689
8690         * i386.md (movdi_extzv_1): New.
8691         (zero_extendhidi2): Combine alternatives and never force use of
8692         REX64 prefix.
8693         (zero_extendqidi2): Likewise. Don't restrict input selection.
8694
8695 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8696
8697         Fix PR tree-optimization/22531
8698         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
8699          moment.
8700
8701 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8702
8703         * tree-promote-statics.c (pass_promote_statics): Change dump file
8704          name.
8705
8706 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8707
8708         * tree-optimize.c (init_tree_optimization_passes): Add
8709         pass_eliminate_useless_stores pass.
8710         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8711         * tree-ssa-pre.c (is_copy_stmt): New function.
8712         (follow_copies_till_vuse): Ditto.
8713         (do_eustores): Ditto.
8714         (gate_eustores): Ditto.
8715
8716 2005-07-16  Richard Henderson  <rth@redhat.com>
8717
8718         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8719
8720 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8721            Kenneth Zadeck <zadeck@naturalbridge.com>
8722
8723         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8724         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8725         ipa-type-escape.h, tree-promote-statics.c
8726         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8727         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8728         tree-promote-statics.c: new files.
8729         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8730         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8731         int nonlocal_set_p, mark_constant_function): Deleted.
8732         (rest_of_handle_cfg): Removed call to mark_constant_function.
8733         (nonoverlapping_component_refs_p): Added calls to support
8734         type based aliasing.
8735         * tree-ssa-alias.c (may_alias_p,
8736         compute_flow_insensitive_aliasing): Ditto.
8737         * calls.c (flags_from_decl_or_type): Removed reference to
8738         cgraph_rtl_info.
8739         * c-typeck.c (convert_arguments): Make builtins tolerant of having
8740         too many arguments.  This is necessary for Spec 2000.
8741         * cgraph.h (const_function, pure_function): Removed.
8742         * common.opt: Added "fipa-pure-const", "fipa-reference",
8743         "fipa-type-escape", and "ftree-promote-static".
8744         * opts.c: Ditto.
8745         * passes.c: Added ipa and tree-promote-statics passes.
8746         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8747         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8748         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8749         * tree-flow.h: Added exposed sra calls and addition of
8750         reference_vars_info field for FUNCTION_DECLS.
8751         * tree-pass.h: Added passes.
8752         * tree-sra.c: (sra_init_cache): New function.
8753         (sra_insert_before, sra_insert_after) Made public.
8754         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8755         and made public.
8756         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8757         aliasing. (may_alias_p): Added code to use type escape analysis to
8758         improve alias sets.
8759         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8760         code to prune clobbers of static variables based on information
8761         produced in ipa-reference pass.  Changed call clobbering so that
8762         statics are not marked as clobbered if the call does not clobber
8763         them.
8764
8765 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
8766
8767         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8768         too.
8769
8770 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8771
8772         * doc/install.texi (*-*-solaris2*): Document recommended version
8773         of GNU binutils and mention GNU linker problem on Solaris 10.
8774
8775 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
8776
8777         PR c/22421
8778         * c-decl.c (c_build_bitfield_integer_type): New function.
8779         (finish_struct): Call it.
8780         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8781
8782 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8783
8784         * c-typeck.c (digest_init): Call 'convert_for_assignment'
8785         before returning.
8786
8787 2005-07-16  Jan Hubicka  <jh@suse.cz>
8788
8789         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8790         (scale_bbs_frequencies_int): Watch roundoff errors.
8791         * predict.c (return_prediction): Initialize return_stmt.
8792
8793 2005-07-16  Jan Hubicka  <jh@suse.cz>
8794
8795         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8796         after RTL profiling.
8797
8798 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
8799
8800         PR middle-end/22398
8801         * fold-const.c (build_range_check): Convert high/low to etype
8802         if we are only comparing against exp.
8803
8804 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
8805
8806         Fix PR tree-optimization/22376
8807         * tree-ssa-structalias.c (build_constraint_graph): We really meant
8808         special var here.
8809         (need_to_solve): New function.
8810         (compute_points_to_sets): Use it.
8811
8812 2005-07-15  Jan Hubicka  <jh@suse.cz>
8813
8814         * cfg.c (update_bb_profile_for_threading): More diagnostic.
8815         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8816
8817 2005-07-15  Richard Guenther  <rguenther@suse.de>
8818
8819         * c-common.c (handle_flatten_attribute): New function.
8820         Add flatten function attribute.
8821         * doc/extend.texi: Document flatten function attribute.
8822         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8823         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8824         New functions.
8825         (cgraph_decide_inlining): Handle functions with flatten
8826         attribute.
8827
8828 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
8829
8830         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8831         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8832         UNSPEC_XCHG, UNSPEC_AND): New.
8833         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8834         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8835         * config/rs6000/sync.md (FETCHOP): New code macro.
8836         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8837         New code attrs.
8838         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8839         (sync_compare_and_swap<mode>): Same.
8840         (sync_lock_test_and_set<mode>): Same.
8841         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8842         for QImode and HImode, and not PPC405.
8843         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8844         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8845         (sync_<fetchop>{si,di}_internal): New.
8846         (sync_nand{si,di}_internal): New.
8847         (sync_old_<fetchop>{si,di}_internal): New.
8848         (sync_old_nand{si,di}_internal): New
8849         (sync_new_<fetchop>{si,di}_internal): New.
8850         (sync_new_nand{si,di}_internal): New.
8851         (atomic_and{si,di}): New.
8852         (sync_new_nand{si,di}_internal): New.
8853         (atomic_and{si,di}): New.
8854         (sync_add<mode>_internal): Delete.
8855         (sync_addshort_internal): Use unspec instead of unspec_volatile.
8856         (sync_sub<mode>_internal): Delte.
8857         (sync_subshort_internal): New.
8858         (sync_andsi_internal): Use unspec instead of unspec_volatile.
8859         (sync_anddi_internal): Delete.
8860         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8861         (sync_booldi_internal): Delete.
8862         (sync_boolc<mode>_internal): Delete.
8863         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8864         (sync_boolc<mode>_internal2): Delete.
8865         (sync_boolcc<mode>_internal): Delete.
8866         (isync, lwsync): Use unspec instead of unspec_volatile.
8867         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8868         Revert UNSPEC_VOLATILE.
8869         (rs6000_split_atomic_op): New.
8870         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8871
8872 2005-07-14  Eric Christopher  <echristo@redhat.com>
8873
8874         * config/mips/mips.c (mips_canonicalize_comparison): Cast
8875         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8876
8877 2005-07-14  Eric Christopher  <echristo@redhat.com>
8878
8879         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8880
8881 2005-07-14  Steven Bosscher  <stevenb@suse.de>
8882
8883         PR tree-optimization/22230
8884         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8885         the computation of the four cross productions for "range op range".
8886
8887 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
8888             Ulrich Weigand  <uweigand@de.ibm.com>
8889
8890         PR target/20126
8891         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8892         in some insn.
8893
8894 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8895
8896         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8897
8898 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
8899
8900         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8901
8902 2005-07-14  Richard Guenther  <rguenther@suse.de>
8903
8904         PR middle-end/22347
8905         * config/i386/i386-protos.h (ix86_function_value): Change
8906         prototype to match new target hook.
8907         * config/i386/i386.c (ix86_value_regno): Change prototype
8908         to take extra type argument.
8909         (TARGET_FUNCTION_VALUE): Define.
8910         (ix86_function_ok_for_sibcall): Pass extra argument to
8911         ix86_value_regno, check return slot rtx for exact match.
8912         (ix86_function_value): Take extra parameter.  Dispatch to
8913         ix86_value_regno with fndecl/fntype as provided.
8914         (ix86_value_regno): Handle extra type argument.
8915         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8916
8917         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8918         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8919         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8920         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8921         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8922
8923 2005-07-14  Richard Guenther  <rguenther@suse.de>
8924
8925         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8926         * calls.c (expand_call): Pass fntype to hard_function_value.
8927         (emit_library_call_value_1): Likewise.
8928         * explow.c: Include target.h.
8929         (hard_function_value): Take extra argument, the fntype.
8930         Use new target hook for function_value.
8931         * expr.h (hard_function_value): Change prototype.
8932         * function.c (aggregate_value_p): Pass 0 as fntype to
8933         hard_function_value.
8934         (assign_parms): Use new target hook for function_value.
8935         Pass 0 as fntype to hard_function_value.
8936         (expand_function_end): Likewise.
8937         * reg-stack.c: Include target.h.
8938         (stack_result): Use new target hook for function_value.
8939         * target-def.h: New target hook function_value.
8940         * target.h: Likewise.
8941         * targhooks.c (default_function_value): New function.
8942         * targhooks.h (default_function_value): Declare.
8943
8944 2005-07-13  Ian Lance Taylor  <ian@airs.com>
8945
8946         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8947
8948 2005-07-14  Jan Hubicka  <jh@suse.cz>
8949
8950         * tree-dfa.c (dump_variable): Use default_def function.
8951         * tree-ssa-alias.c (dump_points_to_info): Likewise.
8952         * tree-ssa.c (verify_use): Likewise.
8953         * tree-ssanames.c (release_ssa_name): Likewise.
8954         * tree-tailcall.c (eliminate_tail_call): Likewise.
8955         (tree_optimize_tail_calls_1): Likewise.
8956         * tree-vrp.c (get_value_range): Likewise.
8957
8958 2005-07-14  Ben Elliston  <bje@au.ibm.com>
8959
8960         * gcc.c (main): Compare language[0] with '*' when iterating over
8961         the infiles.
8962
8963 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8964
8965         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8966         "s390_emit_compare".  Add handling of CCZ1mode.
8967         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8968         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8969         checking.
8970         (s390_branch_condition_mask): Add CCZ1mode handling.
8971         * config/s390/s390.md: ("seq", "*seq"): New pattern.
8972         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8973         Use CCZ1mode instead of CCZmode.
8974         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
8975
8976 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8977
8978         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8979         pattern.
8980         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8981
8982 2005-07-13  Eric Christopher  <echristo@redhat.com>
8983
8984         * config/mips/mips.c (mips_canonicalize_comparison): New.
8985         (mips_emit_int_relational): Use.
8986
8987 2005-07-13  Eric Christopher  <echristo@redhat.com>
8988
8989         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8990         static extra parts.
8991         * config/s390/s390.md: Include tpf.md. Move tpf specific
8992         patterns...
8993         * config/s390/tpf.md: To here.
8994         * config/s390/s390.opt: Move tpf specific options...
8995         * config/s390/tpf.opt: to here. Add mmain option.
8996         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8997         * config/s390/tpf.h: Rewrite.
8998
8999 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9000
9001         * doc/tm.texi: Remove @xref{Cross-profiling}.
9002
9003 2005-07-13  Jeff Law  <law@redhat.com>
9004
9005         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9006         expressions, test their _DECL operands for pointer equality rather
9007         than using operand_equal_p.
9008
9009 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9010
9011         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9012         (TARGET_POSIX_IO): This.
9013         * config/darwin.h: Likewise.
9014         * config/freebsd.h: Likewise.
9015         * config/linux.h: Likewise.
9016         * config/lynx.h: Likewise.
9017         * config/netbsd.h: Likewise.
9018         * config/rs6000/linux64.h: Likewise.
9019         * config/rs6000/linux.h: Likewise.
9020         * config/s390/tpf.h: Likewise.
9021         * config/sh/embed-elf.h: Likewise.
9022         * config/sparc/linux64.h: Likewise.
9023         * config/sparc/linux.h: Likewise.
9024         * config/svr4.h: Likewise.
9025         * gcov-io.h: Likewise.
9026
9027         * doc/tm.texi: Updated.
9028
9029         * libgcov.c (create_file_directory): Defined only if
9030         TARGET_POSIX_IO is defined.
9031         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9032         is defined.
9033
9034 2005-07-13  Jan Hubicka  <jh@suse.cz>
9035
9036         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9037
9038 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9039
9040         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9041         structure as argument.
9042
9043 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9044
9045         PR tree-optimization/21921
9046         * tree-iterator.c (tsi_link_before): Support the case when
9047         tsi_end_p (tsi) == true.
9048
9049 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9050
9051         PR tree-optimization/22442
9052         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9053         correctly.
9054
9055 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9056
9057         PR rtl-optimization/20376
9058         * toplev.c (process_options): Enable -fweb and -frename-registers when
9059         unrolling.
9060         * doc/invoke.texi: Update the information about when -fweb and
9061         -frename-registers are enabled.
9062
9063 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9064
9065         PR tree-opt/21840
9066         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9067         if *rhs_p is not a SSA_NAME.
9068
9069 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9070
9071         Fix PR tree-optimization/22422
9072         * tree-ssa-structalias.c (struct variable_info): Add flag for
9073         special vars.
9074         (get_varinfo): Now a static function.
9075         (new_varinfo): init has_union and is_special_var to false.
9076         (solution_set_add): Check has_union.
9077         (do_da_constraint): Move temporary variable so it gets reset
9078         properly.
9079         Also check for special variable.
9080         (do_ds_constraint): Ditto.
9081         (do_sd_constraint): Ditto.
9082         (do_structure_copy): Check for special variable.
9083         (find_func_aliases): Ditto.
9084         (init_base_vars): Set special vars properly.
9085
9086 2005-07-13  Jan Hubicka  <jh@suse.cz>
9087
9088         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9089         do unit-at-a-time.
9090
9091         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9092         (get_expr_operands): Fix thinko wrt flags and subvars.
9093
9094         PR tree-optimize/22379
9095         * tree-inline.c (expand_call_inline): Do not output sorry in early
9096         inlining.
9097
9098 2005-07-12  Dale Johannesen  <dalej@apple.com>
9099
9100         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9101
9102 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9103
9104         PR bootstrap/21704
9105         * host-linux.h: Include limits.h.
9106
9107 2005-07-12  Dale Johannesen  <dalej@apple.com>
9108
9109         * expr.c (compress_float_constant):  Add cost check.
9110         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9111
9112 2005-07-12  Dale Johannesen  <dalej@apple.com>
9113
9114         * gcc.target/i386/compress-float-sse.c:  New.
9115         * gcc.target/i386/compress-float-sse-pic.c:  New.
9116         * gcc.target/i386/compress-float-387.c:  New.
9117         * gcc.target/i386/compress-float-387-pic.c:  New.
9118         * gcc.dg/compress-float-ppc.c:  New.
9119         * gcc.dg/compress-float-ppc-pic.c:  New.
9120
9121 2005-07-12  Eric Christopher  <echristo@redhat.com>
9122
9123         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9124         static extra parts.
9125         * config/s390/s390.md: Include tpf.md. Move tpf specific
9126         patterns...
9127         * config/s390/tpf.md: To here.
9128         * config/s390/s390.opt: Move tpf specific options...
9129         * config/s390/tpf.opt: to here. Add mmain option.
9130         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9131         * config/s390/tpf.h: Rewrite.
9132
9133 2005-07-12  Eric Christopher  <echristo@redhat.com>
9134
9135         * gcc.c (struct infile): Update comment for language.
9136         (main): Rewrite input file resetting code.
9137
9138 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9139
9140         PR tree-opt/22335
9141         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9142         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
9143         (lookup_avail_expr): Use constant_boolean_node instead
9144         of boolean_false_node/boolean_true_node.
9145
9146 2005-07-12  Ben Elliston  <bje@au.ibm.com>
9147
9148         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9149         and use it when printing num_edges.
9150
9151 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
9152
9153         * doc/extend.texi (Blackfin Built-in Functions): New section.
9154         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9155         @opindex.
9156
9157 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
9158
9159         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9160         s/cmpstrsi/cmpstrnsi
9161         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9162         'cmpstrnsi'.
9163         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9164         (init_optabs): Initialize cmpstrn_optab.
9165         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9166         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9167         * expr.c: (enum insn_code cmpstrn_optab): Declare.
9168         * config/i386/i386.md: s/cmpstr/cmpstrn
9169         * config/c4x/c4x.md: s/cmpstr/cmpstrn
9170         * doc/md.texi: Update documentation.
9171
9172 2005-07-11  Richard Henderson  <rth@redhat.com>
9173
9174         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9175         build_va_arg_indirect_ref.
9176         (alpha_gimplify_va_arg): Likewise.
9177         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9178         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9179         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9180         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9181         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9182         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9183         Likewise.
9184         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9185
9186 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9187
9188         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9189         * passes.c (init_optimization_passes): Add pass_empty_loop.
9190         * tree-pass.h (pass_empty_loop): Declare.
9191         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9192         try_remove_empty_loop, remove_empty_loops): New functions.
9193         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9194         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9195
9196 2005-07-12  Peter Barada  <peter@the-baradas.com>
9197
9198         PR middle-end/16719
9199         PR middle-end/18421
9200         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9201         in address registers.
9202         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9203         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9204         alternative of addsi3_5200.
9205
9206 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9207
9208         * config/mips/mips.md (ffs<mode>2): Remove.
9209
9210 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9211
9212         * doc/tree-ssa.texi (Cleanups): Improve description of
9213         TRY_FINALLY_EXPR.
9214         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9215
9216 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9217
9218         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9219         * tree.h (DECL_ARGUMENT_FLD): New macro.
9220
9221 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9222
9223         Fix PR tree-optimization/22404
9224
9225         * tree-ssa-structalias.c (create_variable_info_for): Use
9226         correct offset.
9227
9228 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
9229
9230         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9231         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9232         for second comparison operand.
9233         * config/bfin/predicates.md (reg_or_const_int_operand): New.
9234
9235         * config/bfin/bfin.md (define_attr "type"): Add "sync".
9236         (define_insn_reservation "alu"): Likewise.
9237         (csync, ssync): Now of type sync.
9238         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9239         -mcsync-anomaly -mspecld-anomaly.
9240         * config/bfin/bfin.opt (mcsync): Remove.
9241         (mcsync-anomaly, mspecld-anomaly): Add.
9242         * config/bfin/bfin.c: Include "insn-codes.h".
9243         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9244         (TARGET_DEFAULT_TARGET_FLAGS): New.
9245         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9246
9247 2005-07-11  Steven Bosscher  <stevenb@suse.de>
9248
9249         * basic-block.h: Give the BB flags enum a name, bb_flags.
9250         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9251         * cfgcleanup.c (enum bb_flags): Remove here.
9252         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9253         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9254         (update_forwarder_flag): Likewise.
9255         (thread_jump): Likewise.
9256         (try_forward_edges): Likewise.
9257         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
9258         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
9259         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9260
9261 2005-07-11  Richard Guenther  <rguenther@suse.de>
9262
9263         * config/i386/i386.opt: New target option -msseregparm.
9264         * config/i386/i386.c (override_options): Error out for
9265         -msseregparm but no SSE support.
9266         (ix86_function_sseregparm): Check for global sseregparm.
9267         * doc/invoke.texi: Document -msseregparm.
9268
9269 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9270
9271         * config.gcc (m32r-*-linux*): Use the default extra_parts.
9272         (m32rle-*-linux*): Ditto.
9273
9274 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
9275
9276         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9277         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9278         bytes.
9279
9280 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9281
9282         PR middle-end/22239
9283         PR target/20126
9284         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9285         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9286
9287 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
9288
9289         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9290         (varmap): Heapify varmap.
9291         (constraints): Heapify constraints.
9292         (struct constraint_graph): Heapify succs and preds.
9293         (constraint_vec_find): Update for heapification.
9294         (constraint_set_union): Ditto.
9295         (insert_into_complex): Ditto.
9296         (constraint_edge_vec_find): Ditto.
9297         (erase_graph_self_edge): Ditto.
9298         (add_graph_edge): Ditto.
9299         (get_graph_weights): Ditto.
9300         (merge_graph_nodes): Ditto.
9301         (build_constraint_graph): Ditto.
9302         (topo_visit): Ditto.
9303         (solve_graph): Ditto.
9304         (create_variable_info_for): Ditto.
9305         (init_base_vars): Ditto.
9306         (delete_points_to_sets): Free graph, varmap, and complex constraints.
9307         (condese_varmap_nodes): Free complex vector.
9308         (clear_edges_for_node): Clear succs and preds vector.
9309
9310 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
9311
9312         * tree-ssa-structalias.c (update_alias_info): Change counting of
9313         references to not include vdefs.
9314
9315 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
9316
9317         * tree-ssa-alias.c (free_used_part_map): Add missing free.
9318         (up_insert): Ditto.
9319
9320 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9321
9322         * pa.c (pa_commutative_p): Make PLUS commutative when
9323         TARGET_NO_SPACE_REGS is true.
9324
9325 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
9326
9327         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9328         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9329         * tree-dfa.c (dump_subvars_for): New.
9330         (debug_subvars_for): New.
9331         (dump_variable): Show subvariables if VAR has them.
9332         * tree-flow-inline.h (get_subvar_at): New.
9333         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9334         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9335         Update all users.
9336         (struct subvar): Change fields offset and size to unsigned
9337         HOST_WIDE_INT.
9338         (dump_subvars_for): Declare.
9339         (debug_subvars_for): Declare.
9340         (get_subvar_at): Declare.
9341         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9342         to unsigned HOST_WIDE_INT *.
9343         (overlap_subvar): Likewise.
9344         * tree-gimple.c (is_gimple_reg): Always return false for
9345         SFTs and memory tags.
9346         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9347         Update all callers.
9348         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9349         (compute_may_aliases): Call compute_points_to_sets.
9350         (collect_points_to_info_for): Remove.
9351         (compute_points_to_and_addr_escape): Remove.
9352         (delete_alias_info): Call delete_points_to_sets.
9353         (compute_flow_sensitive_aliasing): If the call to
9354         find_what_p_points_to returns false, call set_pt_anything.
9355         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9356         (set_pt_anything): Clear pi->pt_vars.
9357         (set_pt_malloc): Remove.
9358         (merge_pointed_to_info): Remove.
9359         (add_pointed_to_expr): Remove.
9360         (add_pointed_to_var): Remove.
9361         (collect_points_to_info_r): Remove.
9362         (is_escape_site): Make extern.
9363         (create_sft): New.
9364         (create_overlap_variables_for): Call it.
9365         * tree-ssa-copy.c (merge_alias_info): Never merge
9366         flow-sensitive alias information.
9367         * tree-ssa-operands.c (get_expr_operands): Adjust variables
9368         offset and size to be unsigned HOST_WIDE_INT.
9369         (add_to_addressable_set): Rename from note_addressable.
9370         Set TREE_ADDRESSABLE as the variables are added to the set.
9371         Update all users.
9372         (add_stmt_operand): Do not try to micro-optimize unmodifiable
9373         operands into VUSEs when adding V_MAY_DEFs for members in an
9374         alias set.
9375         * tree-ssa-operands.h (add_to_addressable_set): Declare.
9376         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9377         (struct variable_info): Add bitfield is_heap_var.
9378         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9379         (new_var_info): Initialize is_heap_var.
9380         (get_constraint_for): Add HEAP variables to the symbol table.
9381         Mark them with is_heap_var.
9382         (update_alias_info): New.  Taken mostly from the old
9383         compute_points_to_and_addr_escape.
9384         (handle_ptr_arith): New.
9385         (find_func_aliases): Call update_alias_info.
9386         Call handle_ptr_info for tcc_binary expressions.
9387         Call mark_stmt_modified.
9388         (create_variable_info_for): If DECL has subvars, do not create
9389         variables for its subvars.  Always add all the fields.
9390         (set_uids_in_ptset): If the solution includes ANYOFFSET and
9391         SFTs, then add all the SFTs of the structure.
9392         If VI->DECL is an aggregate with subvariables, add the SFT at
9393         VI->OFFSET.
9394         (find_what_p_points_to): If VI is an artificial variable,
9395         translate to bitfields in SSA_NAME_PTR_INFO.
9396         If the solution is empty, set pi->pt_vars to NULL
9397         (init_base_vars): Create ANYOFFSET.
9398         (compute_points_to_sets): Rename from create_alias_vars.
9399         Make extern.
9400         (pass_build_pta): Remove.
9401         (delete_points_to_sets): Rename from delete_alias_vars.
9402         (pass_del_pta): Remove.
9403         * tree-ssa-structalias.h (struct alias_info): Move from
9404         tree-ssa-alias.h.
9405         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9406         NUM_REFERENCES_SET): Likewise.
9407         (compute_points_to_sets, delete_points_to_sets): Declare.
9408
9409 2005-07-09  Richard Henderson  <rth@redhat.com>
9410
9411         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9412         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9413         alpha_split_lock_test_and_set_12): New functions.
9414         * config/alpha/alpha-protos.h: Update.
9415         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9416         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9417         * config/alpha/sync.md (I12MODE): New.
9418         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9419         (sync_<fetchop_name><I48MODE>): Likewise.
9420         (sync_nand<I48MODE>): Likewise.
9421         (sync_old_<fetchop_name><I48MODE>): Likewise.
9422         (sync_new_<fetchop_name><I48MODE>): Likewise.
9423         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9424         (sync_compare_and_swap<I48MODE>): Likewise.
9425         (sync_lock_test_and_set<I48MODE>): Likewise.
9426         (sync_compare_and_swap<I12MODE>): New.
9427         (sync_compare_and_swap<I12MODE>_1): New.
9428         (sync_lock_test_and_set<I12MODE>): New.
9429         (sync_lock_test_and_set<I12MODE>_1): New.
9430
9431 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
9432
9433         PR 21356
9434         PR 22332
9435         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9436
9437 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
9438
9439         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9440         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9441
9442 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
9443
9444         PR target/21656
9445         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9446
9447 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
9448
9449         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9450         memory_operand constraint.
9451         (store_conditional_<mode>): Same.
9452         (sync_compare_and_swap<mode>): Same.
9453         (sync_lock_test_and_set<mode>): Same.
9454
9455 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
9456
9457         Rewrite PIC support to more closely model actual instructions.
9458         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9459         (cris_symbol): Remove prototypes for removed functions.
9460         (cris_pic_symbol_type_of, cris_valid_pic_const)
9461         (cris_expand_pic_call_address): Prototypes for new functions.
9462         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9463         variable.
9464         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9465         modifiers.
9466         <case ':'>: Add case for new punctuation character.
9467         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9468         emitting (extra) PIC modifier.
9469         <case UNSPEC>: Do not assert for PLT.
9470         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9471         (cris_expand_prologue, cris_expand_epilogue): Check
9472         for pic_offset_table_rtx usage instead of taking
9473         current_function_uses_pic_offset_table as the final word.
9474         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9475         Remove flag_pic difference.
9476         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9477         the moral equivalents of...
9478         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9479         functions.
9480         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9481         (cris_handle_option): Mark ARG as unused.
9482         (cris_expand_pic_call_address): New worker function for "call",
9483         "call_value".
9484         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9485         output PIC constructs here.
9486         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9487         as symbol-specific modifers, not whole or part of operands.
9488         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9489         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9490         constants and flag_pic.
9491         (CONSTANT_INDEX_P): Adjust for new functions.
9492         (enum cris_pic_symbol_type): New helper type.
9493         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9494         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9495         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9496         define_constants.
9497         ("movsi"): Emit actual instructions for GOT and relative access.
9498         ("*movsi_got_load"): New pattern to set up the register holding
9499         the GOT pointer.
9500         ("*movsi_internal"): Operand 1 is not a plain general_operand.
9501         Adjust FIXME for 'S'.
9502         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9503         Use "movs" for -fpic cases.
9504         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9505         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9506         ("call", "call_value"): Just call cris_expand_pic_call_address for
9507         PIC addresses.
9508         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9509         Remove special pattern.
9510         ("*expanded_call_side", "*expanded_call_value_side"): New
9511         patterns.
9512         (gotplt-to-plt, gotplt-to-plt-side-call)
9513         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9514         peephole2:s.
9515         * config/cris/cris/predicates.md
9516         ("cris_general_operand_or_gotless_symbol"): Remove unused
9517         predicate.
9518         ("cris_general_operand_or_symbol"): Adjust for new functions.
9519
9520 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9521
9522         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9523
9524 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
9525
9526         * Makefile.in (TREE_H): Add treestruct.def.
9527         (c-decl.o): Add pointer-set.h
9528         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9529         visibility on regular DECL's.
9530         (merge_decls): Fix the copying of decl nodes of various types for
9531         the new structures.  Don't update RTL, section name, weak status,
9532         etc, on DECL's without RTL.
9533         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9534         Don't check volatile on non-variable types.
9535         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9536         to check whether we have seen arguments.
9537         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9538         flag is checked before field (flag is common, field is not).
9539         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
9540         TS_DECL_COMMON could have an origin.
9541         (add_location_or_const_value_attribute): Don't check section name
9542         on non-var/function decls.
9543         (dwarf2out_var_location): Reverse order of tests.
9544         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9545         with DECL_WRTL_CHECK.
9546         * expmed.c (make_tree): rtl is now in decl_with_rtl.
9547         * fold-const.c (fold_binary): Don't check weakness on
9548         non-var/function decls.
9549         (tree_expr_nonzero_p): Ditto.
9550         (fold_checksum_tree): Use tree_decl_extra as sizeof
9551         buffer.
9552         * ggc-page.c (extra_order_size_table): Add sizes for
9553         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
9554         tree_field_decl.
9555         * gimplify.c (gimplify_bind_expr): Only set
9556         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9557         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9558         without RTL.
9559         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9560         * langhooks.h (init_ts). New langhook.
9561         * passes.c (rest_of_decl_compilation): Reverse order of tests.
9562         * print-tree.c (print_node): Update to only print fields that
9563         exist in the structures the passed decl has.
9564         * toplev.c (wrapup_global_declarations): Don't reset
9565         DECL_DEFER_OUTPUT on DECL's that don't contain it.
9566         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9567         * tree-inline.c (remap_decl): Ditto.
9568         * tree-outof-ssa.c (create_temp): Reverse order of tests.
9569         * tree-pretty-print.c (print_declaration): Don't print
9570         DECL_REGISTER on things that don't contain it.
9571         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9572         non-var/function decls.
9573         * tree.c (tree_contains_struct): New structure.
9574         (init_priority_for_decl): New hashtable.
9575         (tree_int_map): New structure.
9576         (tree_int_map_eq): New function.
9577         (tree_int_map_marked_p): Ditto.
9578         (tree_int_map_hash): Ditto.
9579         (tree_map): Move to tree.h.
9580         (tree_map_eq): Externalize.
9581         (tree_map_hash): Ditto.
9582         (tree_map_marked_p): Ditto.
9583         (init_ttree): Set up tree_contains_struct and call langhook.
9584         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9585         (tree_code_size): Update for new structures.
9586         (tree_node_structure): Update for new structures.
9587         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9588         without the field.
9589         (copy_node_stat):  Copy init priority.
9590         (build_decl_stat): Ditto for visibility.
9591         (ts_enum_names): New.
9592         (tree_contains_struct_check_failed): New function.
9593         (decl_init_priority_lookup): Ditto.
9594         (decl_init_priority_insert): Ditto.
9595         * treestruct.def: New file.
9596         * tree.h (CODE_CONTAINS_STRUCT): New macro.
9597         (CONTAINS_STRUCT_CHECK): Ditto.
9598         (tree_contains_struct_check_failed): New prototype.
9599         (DECL_CHECK): Removed.
9600         (DECL_MINIMAL_CHECK): New.
9601         (DECL_COMMON_CHECK): Ditto.
9602         (DECL_WRTL_CHECK): Ditto.
9603         (DECL_NON_COMMON_CHECK): Ditto.
9604         (DECL_WITH_VIS_CHECK): Ditto.
9605         (VAR_OR_FUNCTION_DECL_P): Ditto
9606         (struct tree_decl_minimal): New structure.
9607         (struct tree_decl_common): Ditto.
9608         (struct tree_decl_with_rtl): Ditto.
9609         (struct tree_decl_with_vis): Ditto.
9610         (struct tree_decl_non_common): Ditto.
9611         (struct tree_field_decl): Ditto.
9612         (struct tree_parm_decl): Ditto.
9613         (struct tree_var_decl): Ditto.
9614         (struct tree_function_decl): Ditto.
9615         (struct tree_const_decl): Ditto.
9616         (struct tree_result_decl): Ditto.
9617         (union tree_node): Add new structures.
9618         * var-tracking.c (track_expr_p): Reverse order of tests.
9619
9620         * doc/c-tree.texi: Add documentation on DECL node internal structure.
9621
9622 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9623
9624         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9625         * system.h: Poison FINALIZE_PIC.
9626         * doc/tm.texi (FINALIZE_PIC): Remove.
9627
9628 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9629
9630         PR tree-opt/22329
9631         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9632         to the correct type if we have a MODIFY_EXPR.
9633
9634 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9635
9636         PR tree-optimization/22360
9637         * tree.c (upper_bound_in_type): Fix calculations for casting
9638         to a non-wider signed type and casting a signed value to a
9639         wider unsigned type.
9640         (lower_bound_in_type): Fix calculations for casting to a
9641         non-wider signed type.
9642
9643         PR tree-optimization/20139
9644         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9645         release_defs.
9646         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9647         fold_cond_expr_cond.
9648         * tree-ssanames.c (release_defs): Assert in_ssa_p.
9649         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9650
9651 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9652
9653         PR tree-opt/22356
9654         * tree-complex.c (expand_complex_libcall): Produce
9655         REALPART_EXPR/IMAGPART_EXPR with the correct type.
9656
9657 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
9658
9659         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9660         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9661         b" assert and inserted fastpath code for this case.
9662         (bitmap_ior): Removed "a != b" assert.
9663
9664 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9665
9666         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9667         (ENDFILE_SPEC): Likewise.
9668         * config/m32r/m32r.h (ASM_SPEC): Likewise.
9669
9670         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9671         a large stack frame at epilogue.
9672
9673 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
9674
9675         * final.c: Include sdbout.h when required.
9676
9677 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
9678
9679         * config.gcc (*-*-darwin*): Only one target-specific header file
9680         for generic darwin.
9681         (powerpc-*-darwin*): Add version-specific header files.
9682         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9683         * config.in: Regenerate.
9684         * configure: Regenerate.
9685         * gcc.c: Include xregex.h.
9686         (version_compare_spec_function): New.
9687         (spec_function): Add version-compare.
9688         (replace_outfile_spec_function): Reformat comment.
9689         (compare_version_strings): New.
9690         * config/darwin-c.c (version_as_macro): New.
9691         (builtin_define): New.
9692         (darwin_cpp_builtins): New.
9693         * config/darwin-protos.h (darwin_cpp_builtins): New.
9694         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9695         (LIB_SPEC): Make unconditional, update comment.
9696         (TARGET_C99_FUNCTIONS): Define.
9697         * config/darwin.opt: Sort.
9698         (mmacosx-version-min=): New.
9699         * config/darwin7.h: Delete.
9700         * config/darwin8.h: Delete.
9701         * config/i386/darwin.h (): Call darwin_cpp_builtins.
9702         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9703         (TARGET_C99_FUNCTIONS): Define.
9704         * config/rs6000/darwin7.h: New.
9705         * config/rs6000/darwin8.h: New.
9706         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9707         (-mmacosx-version-min): Document.
9708
9709 2005-07-07  Ian Lance Taylor  <ian@airs.com>
9710
9711         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9712
9713 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
9714
9715         PR middle-end/22239
9716         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9717
9718 2005-07-07  Khem Raj  <kraj@mvista.com>
9719
9720         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9721         in bytes, not words.
9722
9723 2005-07-07  Paul Brook  <paul@codesourcery.com>
9724
9725         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9726         DEFAULT_FUNCTION_ARG_PADDING to upward.
9727
9728 2005-07-07  Richard Henderson  <rth@redhat.com>
9729
9730         * function.c (locate_and_pad_parm): Record parameter alignment in
9731         stack_alignment_needed.
9732
9733 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
9734
9735         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9736         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9737         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9738         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9739         (define_attr "type"): Add isync, sync, load_l, store_c.
9740         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9741         Create scratch volatile MEM.
9742         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
9743         sync.
9744         (load_locked_<mode>): New.
9745         (store_conditional_<mode>): New.
9746         (sync_compare_and_swap<mode>): Replace with splitter.
9747         (sync_lock_test_and_set<mode>): Replace with splitter.
9748         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9749         and UNSPECV_ISYNC.
9750         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
9751         is ics.  Attribute isync.
9752         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
9753         lwsync.
9754         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9755         and UNSPECV_SYNC_OP.
9756         (emit_unlikely_jump): New.
9757         (emit_load_locked): New.
9758         (emit_store_conditional): New.
9759         (rs6000_split_compare_and_swap): New.
9760         (rs6000_split_lock_test_and_set): New.
9761         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9762         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9763         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9764         rs6000_split_lock_test_and_set): Declare.
9765         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9766         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9767         store_c, isync, sync.
9768
9769 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
9770
9771         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9772         filenames to gtyp-gen.h.
9773         (s-typ-gen): Use it in place of for loops.
9774
9775 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
9776
9777         * hooks.c (hook_bool_rtx_int_false): New function.
9778         * hooks.h (hook_bool_rtx_int_false): Declare.
9779         * target-def.h (TARGET_COMMUTATIVE_P): Define.
9780         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9781         * target.h (struct gcc_target): Add commutative_p member.
9782         * targhooks.c (hook_bool_rtx_commutative_p): New function.
9783         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9784         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9785         (pa_commutative_p): New function.
9786         * jump.c (target.h): Include.
9787         (rtx_renumbered_equal_p): Use targetm.commutative_p.
9788         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9789
9790 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9791
9792         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9793         (s390_expand_setmem): New.
9794         * config/s390/s390.c: Likewise.
9795         (print_shift_count_operand): Truncate to 12 bits instead of 6.
9796         Adapt comments.
9797         * config/s390/s390.md: ("setmem<mode>"): Accept character as
9798         general_operand.  Call new function "s390_expand_setmem".
9799         ("clrmem_long", "*clrmem_long"): Rewrite to ...
9800         ("setmem_long", "*setmem_long"): ... this.
9801
9802 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9803
9804         * config/s390/s390.c: (optimization_options): Enable
9805         TARGET_MVCLE at -Os.
9806         * doc/invoke.texi: Document changes in default behaviour.
9807         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9808
9809 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9810
9811         * expr.c: (set_storage_via_setmem): Convert opchar to mode
9812         defined by back-end.
9813
9814 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
9815
9816         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9817         all sets in the pattern.
9818         * config/rs6000/rs6000.md (stack_protect_testsi,
9819         stack_protect_testdi): Likewise.
9820
9821 2005-07-06  Jeff Law  <law@redhat.com>
9822
9823         * tree-vrp.c (simplify_using_ranges): Kill.
9824         (vrp_finalize): Remove call to simplify_using_ranges.
9825         (simplify_stmt_using_ranges): New function extracted from
9826         simplify_using_ranges.
9827         (simplify_div_or_mod_using_ranges): Likewise.
9828         (simplify_abs_using_ranges): Likewise.
9829         (simplify_cond_using_ranges): New function.
9830         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9831         * tree-ssa-propagate.c (substitute_and_fold): Call
9832         simplify_stmt_using_ranges if we have range information.
9833
9834 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
9835
9836         * config/ia64/ia64.c (ia64_reorg): Check optimize before
9837         ia64_flag_schedule_isns2.
9838
9839         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9840         reading/writing general registers.
9841         (ia64_function_arg): Revert 2005-06-18 change.
9842
9843 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
9844
9845         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9846         (legitimize_tls_address): Use gcc_unreachable instead of abort.
9847
9848 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
9849
9850         * function.c (expand_function_end): Revert part of 2005-06-27
9851         patch.  Do sjlj_emit_function_exit_after after return_label.
9852
9853 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9854
9855         * doc/install.texi (--disable-libssp): New.
9856
9857 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
9858
9859         * doc/invoke.texi: Update -fforce-mem documentation.
9860         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9861         code for -fforce-mem.
9862         * expmed.c: (store_bit_field,store_fixed_bit_field,
9863         extract_bit_field): Ditto.
9864         * expr.c: (convert_move): Ditto.
9865         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9866         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9867         emit_conditional_add,expand_float,expand_fix): Ditto.
9868         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9869         (common_handle_option): Issue warning when -fforce-mem specified.
9870
9871 2005-07-06  Paul Brook  <paul@codesourcery.com>
9872
9873         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9874         argument is empty.
9875         * configure: Regenerate.
9876
9877 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
9878
9879         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9880
9881 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
9882
9883         Fix PR tree-optimization/22319
9884         Fix PR tree-optimization/22140
9885         Fix PR tree-optimization/22310
9886
9887         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9888         variable sized types.
9889         Use correct type for intermediate structure on *a = *b structure
9890         copies.
9891
9892 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9893
9894         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9895         Remove.
9896         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9897         (machine_function): Move typedef to...
9898         * config/rs6000/rs6000.c (machine_function): ... here.  Add
9899         varargs_save_offset field.
9900         (rs6000_stack_t): Remove varargs_size field.
9901         (setup_incoming_varargs): Allocate varargs save area using
9902         assign_stack_local, try to make it as small as possible.
9903         Save offset from virtual_stack_vars_rtx to the save area
9904         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
9905         instead of magic 8 when fp word byte size is used.
9906         (rs6000_va_start): Use cfun->machine->varargs_save_offset
9907         instead of -RS6000_VARARGS_SIZE.
9908         (rs6000_stack_info, debug_stack_info,
9909         rs6000_initial_elimination_offset): Remove all traces of
9910         varargs_size.
9911         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9912         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9913         RS6000_VARARGS_AREA.
9914
9915 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
9916
9917         PR tree-optimization/21963
9918         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9919         constant_multiple_of in the same way get_computation_cost_at does.
9920
9921 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9922
9923         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9924         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9925         (gen_compare_reg): If sparc_compare_emitted is set, clear it
9926         and return its previous value.
9927         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9928         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9929         constants.
9930         (stack_protect_set, stack_protect_test): New expanders.
9931         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9932         stack_protect_testdi): New insns.
9933         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9934         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9935
9936 2005-07-06  Jeff Law  <law@redhat.com>
9937
9938         * tree-ssa-dce.c (cfg_altered): New global.
9939         (tree_dce_init): Initialize cfg_altered.
9940         (remove_dead_stmt): If we remove an edge in the CFG, then set
9941         CFG_ALTERED.
9942         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9943         the dominators.
9944
9945 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9946
9947         * Makefile.in (stamp-collect-ld): Use
9948         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
9949         ./collect-ld if it already exists.
9950         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9951         Don't remove ./nm if it already exists.
9952
9953 2005-07-05  Devang Patel  <dpatel@apple.com>
9954
9955         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9956         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9957         * tree-vectorizer.c (vect_loop_location): New.
9958         (vect_print_dump_info): Use vect_loop_location.
9959         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9960         (vectorize_loops): Set vect_loop_location.
9961         * tree-vect-analyze.c (vect_analyze_offset_expr,
9962         vect_determin_vectorization_factor, vect_analyze_operations,
9963         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9964         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9965         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9966         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9967         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9968         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9969         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9970         vect_analyze_loop): Adjust vect_print_dump_info API.
9971         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9972         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9973         vect_finish_stmt_generation, vectorizable_assignment,
9974         vectorizable_operation, vectorizable_store, vectorizable_load,
9975         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9976         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9977         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9978         vect_transform_loop): Same.
9979         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9980         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9981         Same.
9982
9983 2005-07-05  Randolph Chung  <tausq@debian.org>
9984
9985         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9986         * configure: Regenerate.
9987         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9988         (pa_tls_referenced_p): Declare.
9989         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9990         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9991         (legitimize_tls_address): New.
9992         (hppa_legitimize_address): Handle TLS addresses.
9993         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9994         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9995         (emit_move_sequence): Handle TLS addresses.
9996         (pa_encode_section_info): Call default handler to handle common
9997         sections.
9998         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9999         (CONSTANT_ADDRESS_P): Reject TLS operands.
10000         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10001         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10002         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10003         (UNSPEC_TLSLE): Define new constants.
10004         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10005         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10006         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10007         (tie_symbolic_operand, tle_symbolic_operand): New
10008
10009 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10010
10011         * aclocal.m4: Update macros for autoconf 2.59 style.
10012         * configure.ac: Likewise.
10013
10014 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10015
10016         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10017         (function_arg): Pass small aggregates in general registers on 32-bit
10018         targets.
10019         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10020
10021 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10022
10023         * Makefile.in (final.o): Fix dependencies.
10024
10025 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10026
10027         PR c/22013
10028         PR c/22098
10029         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10030         * langhooks.c (lhd_expr_to_decl): New.
10031         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10032         New.
10033         (LANG_HOOKS_INITIALIZER): Update.
10034         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10035         expr_to_decl langhook.
10036         * c-tree.h (c_expr_to_decl): Declare.
10037         * c-typeck.c (c_expr_to_decl): New.
10038         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10039         specially.
10040         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10041
10042 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10043
10044         PR c/22308
10045         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10046         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10047
10048 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10049
10050         * Makefile.in: Adjust dependencies.
10051         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10052         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10053         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10054         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10055         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10056         rest_of_compilation.
10057
10058         * bb-reorder.c (gate_duplicate_computed_gotos,
10059         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10060         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10061         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10062         pass_partition_blocks): New.
10063         * bt-load.c (gate_handle_branch_target_load_optimize,
10064         rest_of_handle_branch_target_load_optimize,
10065         pass_branch_target_load_optimize): New.
10066         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10067         pass_jump2): New.
10068         * cfglayout.c (pass_insn_locators_initialize): New.
10069         * cfgrtl.c (pass_free_cfg): New.
10070         * combine.c (gate_handle_combine, rest_of_handle_combine,
10071         pass_combine): New.
10072         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10073         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10074         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10075         * except.c (pass_set_nothrow_function_flags,
10076         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10077         pass_rtl_eh): New.
10078         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10079         rest_of_handle_shorten_branches, pass_shorten_branches,
10080         rest_of_clean_state, pass_clean_state): New.
10081         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10082         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10083         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10084         pass_flow2): New.
10085         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10086         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10087         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10088         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10089         pass_gcse): New.
10090         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10091         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10092         pass_rtl_ifcvt, gate_handle_if_after_combine,
10093         rest_of_handle_if_after_combine, pass_if_after_combine,
10094         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10095         pass_if_after_reload): New.
10096         * integrate.c (pass_initial_value_sets): New.
10097         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10098         pass_purge_lineno_notes): New.
10099         * mode-switching.c (rest_of_handle_mode_switching,
10100         pass_mode_switching): New.
10101         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10102         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10103         pass_loop2): New.
10104         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10105         pass_loop_optimize): New.
10106         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10107         pass_sms): New.
10108         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10109         pass_gcse2): New.
10110         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10111         pass_postreload_cse): New.
10112         * profile.c (gate_handle_profiling, pass_profiling,
10113         rest_of_handle_branch_prob, pass_branch_prob): New.
10114         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10115         pass_split_before_regstack, gate_handle_split_before_regstack,
10116         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10117         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10118         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10119         pass_stack_regs): New.
10120         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10121         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10122         pass_stack_adjustments): New.
10123         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10124         pass_regrename): New.
10125         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10126         pass_delay_slots, gate_handle_machine_reorg,
10127         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10128         * rtl.h (extern void purge_line_number_notes): New.
10129         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10130         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10131         pass_sched2): New.
10132         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10133         pass_tracer): New.
10134         * value-prof.c (gate_handle_value_profile_transformations,
10135         rest_of_handle_value_profile_transformations,
10136         pass_value_profile_transformations): New.
10137         * var-tracking.c (gate_handle_var_tracking,
10138         pass_variable_tracking): New.
10139         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10140
10141         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10142         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10143         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10144         rest_of_handle_old_regalloc, rest_of_handle_regrename,
10145         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10146         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10147         rest_of_handle_gcse2, rest_of_handle_regmove,
10148         rest_of_handle_tracer, rest_of_handle_if_conversion,
10149         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10150         rest_of_handle_web, rest_of_handle_branch_prob,
10151         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10152         rest_of_handle_jump_bypass, rest_of_handle_combine,
10153         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10154         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10155         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10156         rest_of_handle_mode_switching, rest_of_handle_jump,
10157         rest_of_handle_eh, rest_of_handle_stack_adjustments,
10158         rest_of_handle_flow2, rest_of_handle_jump2,
10159         rest_of_handle_peephole2, rest_of_handle_postreload,
10160         rest_of_handle_shorten_branches, rest_of_clean_state,
10161         rest_of_compilation): Remove.
10162
10163         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10164         * passes.c (dump_flags, in_gimple_form, all_passes,
10165         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10166         register_dump_files, next_pass_1, last_verified, execute_todo,
10167         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10168         from tree-optimize.c.
10169         (init_optimization_passes): Moved from tree-optimize.c,
10170         adding the RTL optimizations.
10171         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10172         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10173         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10174         register_dump_files, next_pass_1, last_verified, execute_todo,
10175         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10176         init_tree_optimization_passes, ipa_passes): Delete.
10177         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10178         the RTL dumps.
10179         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10180         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10181         from tree.h.
10182         (ipa_passes): Remove.
10183         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10184         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10185         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10186         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10187         (dump_info_p, dump_flag): Moved to tree-dump.h.
10188
10189         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10190         cgraph.c, opts.c.
10191         * passes.c (finish_optimization_passes): Use dump_begin
10192         and dump_end, TDI_end.
10193         (gate_rest_of_compilation): New.
10194         (pass_rest_of_compilation): Use it.
10195         (gate_postreload, pass_postreload): New.
10196         * toplev.c (general_init): Rename init_tree_optimization_passes.
10197         * toplev.h (init_tree_optimization_passes): Rename to
10198         init_optimizations_passes.
10199         * tree-dump.c (dump_flag): Make static.
10200         (dump_files): Remove RTL dumps.
10201         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10202         pass_cleanup_cfg, pass_free_cfg_annotations,
10203         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10204         pass_init_datastructures, pass_fixup_cfg): Make non-static.
10205         * tree-pretty-print.c: Include tree-pass.h.
10206         * cgraph.c: Include tree-dump.h.
10207
10208 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10209
10210         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10211         Only fall back to saying it points to readonly memory if
10212         we can't do better.
10213
10214 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10215
10216         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10217         * config/m32r/m32r.c (m32r_compute_frame_size,
10218         m32r_expand_prologue): Take current_function_profile into
10219         account whenever we reference
10220         current_function_uses_pic_offset_table.
10221         (m32r_finalize_pic): Remove.
10222         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10223
10224 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
10225
10226         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10227         instead of $<.  Don't remove ./as if it already exists.
10228
10229 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10230
10231         PR target/21723
10232         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10233         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10234         for complex modes when generating code for PA 1.0.
10235         (VALID_FP_MODE_P): New macro.
10236         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10237         sets for all general and floating point modes.  Align wide floating
10238         point modes to even register boundaries to comply with architectural
10239         requirements.
10240         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10241         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10242         (VALID_FP_MODE_P): New macro.
10243         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10244         sets for all general and floating point modes.  Align wide floating
10245         point modes to even register boundaries to comply with architectural
10246         requirements.
10247
10248 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10249
10250         * tree-dump.c (dump_files): Initialize dump number for .cgraph
10251         to 0.
10252
10253 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10254
10255         * tree-ssa-structalias.c: Don't include expr.h.
10256
10257 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10258
10259         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10260         comments.
10261
10262 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10263
10264         Fix PR tree-optimization/22279
10265
10266         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10267         correct operator.
10268
10269 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
10270
10271         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10272
10273 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
10274
10275         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10276         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10277         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10278         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10279         config/stormy16/stormy16.c, config/v850/v850.c,
10280         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10281         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10282         Avoid "." or "\n" at end of diagnostics and capital letters at
10283         start of diagnostics.
10284         * combine.c, cse.c: Don't translate dump file output.
10285         * toplev.c (print_version): Only translate output if going to
10286         stderr.
10287
10288 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
10289
10290         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10291         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10292         typos.
10293
10294 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10295
10296         * pa.c (fix_range): Fix typo in comment.
10297
10298 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
10299
10300         * tree-vrp.c (extract_range_from_assert): Replace
10301         fold (build (...)) with fold_build2.
10302
10303 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10304
10305         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10306         gcc_gfc_char_table, init_dynamic_gfc_info): New.
10307         (format_types_orig, handle_format_attribute): Add support for
10308         format "gcc_gfc".
10309
10310 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10311
10312         * varasm.c (assemble_variable): Fix format specifier thinko.
10313
10314 2005-07-03  Ira Rosen  <irar@il.ibm.com>
10315
10316         PR tree-optimization/22029 (and 22135)
10317         * tree-pretty-print.c (dump_generic_node): Check that the node is not
10318         a phi node before calling dump_vops.
10319
10320 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10321
10322         * tree-dump.h (dump_string_field): Declare.
10323         * tree-dump.c: Use it instead of dump_string.
10324         (dump_string_field): Make non-static.
10325
10326 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10327
10328         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10329         up the minimal CFG stuff always when optimize > 0.  Call
10330         split_all_insns_noflow in PIC case if needed.
10331
10332 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10333             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10334
10335         PR c++/18279
10336         * c-decl.c (c_write_global_declarations): Dump contents of
10337         external scope to.
10338         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10339         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10340         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10341         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10342         is enabled.
10343
10344 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
10345
10346         * c-common.h (GCC_DIAG_STYLE): Define.
10347         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
10348         version for format checking to 4.1.
10349         * c-format.c: Include toplev.h after c-common.h.
10350         (enum format_type): Add gcc_tdiag_format_type.
10351         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10352         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10353         (format_types_orig): Add gcc_tdiag.
10354         (init_dynamic_diag_info): Support gcc_tdiag formats.
10355         (handle_format_attribute): Likewise.
10356         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10357         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
10358         version for format checking to 4.1.
10359         (warning0, warning, error, pedwarn, sorry): Use
10360         ATTRIBUTE_GCC_DIAG.
10361         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10362         (finish_aliases_1): Do not use %qE.
10363         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10364         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10365         Correct format bugs.
10366         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10367         parameter to unsigned HOST_WIDE_INT.
10368         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10369
10370 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
10371
10372         PR middle-end/21742
10373         * expr.c (write_complex_part): Use adjust_address for MEM.
10374         (read_complex_part): Same.
10375
10376 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
10377
10378         Fix PR tree-optimization/22280
10379
10380         * tree-sra.c (generate_element_init): Remove useless loop.
10381
10382 2005-07-02  Richard Henderson  <rth@redhat.com>
10383
10384         * config/alpha/alpha.c (alpha_legitimize_address): Check for
10385         TLS_MODEL_NONE.
10386         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10387
10388 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
10389
10390         PR middle-end/14490
10391         * fold-const.c (fold_binary): Handle the return value of
10392         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10393         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10394
10395 2005-07-02  Jeff Law  <law@redhat.com>
10396
10397         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10398         a eliminate type conversion which feeds an equality comparison
10399         if the original type or either operand in the comparison is a
10400         function pointer.
10401
10402 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
10403
10404         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10405         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10406         texts.
10407         * config/avr/avr.c: Do not use '`' as left quote.
10408         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10409         Remove "." from end of diagnostics.  Make diagnostics start with
10410         lowercase letter.
10411
10412 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
10413             Joseph S. Myers  <joseph@codesourcery.com>
10414
10415         * toplev.c (default_tree_printer): Handle setting location with
10416         '+' flag.
10417         * c-objc.common.c (c_tree_printer): Likewise.
10418         * c-format.c (gcc_diag_flag_specs): Add '+'.
10419         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10420         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10421         formats.
10422         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10423         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10424         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10425         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10426         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10427         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
10428         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
10429         format arguments where %J is used without %D.
10430
10431 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
10432
10433         * gcc.c (LINK_SSP_SPEC): Define.
10434         (link_ssp_spec): New variable.
10435         (LINK_COMMAND_SPEC): Add %(link_ssp).
10436         (static_specs): Add link_ssp_spec.
10437         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10438         * configure: Rebuilt.
10439         * config.in: Rebuilt.
10440
10441         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10442         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10443         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10444         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10445         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10446         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10447         -0x7008(2) instead of reading __stack_chk_guard variable.
10448         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10449         number.
10450         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10451         (stack_protect_set, stack_protect_test): Use *_tls* patterns
10452         if TARGET_THREAD_SSP_OFFSET is defined.
10453         (stack_tls_protect_set_si, stack_tls_protect_set_di,
10454         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10455
10456         Revert:
10457         2005-06-27  Richard Henderson  <rth@redhat.com>
10458         * libgcc-std.ver (GCC_4.1.0): New.
10459         * libgcc.h (__stack_chk_guard): Declare.
10460         (__stack_chk_fail, __stack_chk_fail_local): Declare.
10461         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10462         * mklibgcc.in (lib2funcs): Add them.
10463
10464 2005-07-01  Richard Henderson  <rth@redhat.com>
10465
10466         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10467         void * before struct sigcontext *.
10468         (x86_fallback_frame_state): Likewise.
10469
10470 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
10471
10472         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10473
10474 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
10475
10476         PR tree-opt/22269
10477         * tree-ssa-reassoc.c (should_transpose): Fix which operand
10478         we check for SSA_NAME for.
10479
10480 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
10481
10482         Fix PR tree-optimization/22071
10483
10484         * tree-ssa-structalias.c (offset_overlaps_with_access): New
10485         function.
10486         (get_constraint_for_component_ref): Use it.
10487
10488 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
10489
10490         PR other/22264
10491         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10492         print out the last new line.
10493
10494 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
10495
10496         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10497         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10498         * config/cris/cris.c (cris_conditional_register_usage): Adjust
10499         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10500         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10501         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10502         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10503         (enum reg_class): New member CC0_REGS.
10504         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10505         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10506         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10507         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10508         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10509         Adjust for register now described.
10510
10511 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
10512
10513         PR target/22262
10514         * config/i386/i386.md (stack_protect_test_si,
10515         stack_protect_test_di): Add earlyclobber for scratch 3.
10516         * config/rs6000/rs6000.md (stack_protect_testsi,
10517         stack_protect_testdi): Add earlyclobber for scratch 3,
10518         remove earlyclobber from scratch 4.
10519
10520 Older entries for 2005 can be found in ChangeLog-2005.