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