re PR target/25199 (crashing code output from -mtune=pentium4 but not -mtune=pentiumpro)
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2
3         PR target/25199
4         * config/i386/i386.md (movqi_1): Only force imovx for alternative
5         5 if operand 1 is not aligned.  Undo previous constraint change.
6         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
7
8 2005-12-02  Richard Guenther  <rguenther@suse.de>
9
10         * tree.h (build): Remove prototype.
11         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
12         * tree.c (build): Remove.
13         (build0_stat): Update comment.
14
15 2005-12-02  Richard Guenther  <rguenther@suse.de>
16
17         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
18         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
19         Likewise.
20         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
21         maybe_fold_offset_to_component_ref): Likewise.
22         * tree-ssa-dom.c (thread_across_edge,
23         simplify_rhs_and_lookup_avail_expr,
24         find_equivalent_equality_comparison, record_equivalences_from_stmt):
25         Likewise.
26         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
27         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
28         lower_try_finally_switch): Likewise.
29         * tree-if-conv.c (add_to_dst_predicate_list,
30         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
31         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
32         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
33         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
34         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
35         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
36         gimplify_init_ctor_eval, gimplify_init_constructor,
37         gimplify_variable_sized_compare, gimplify_boolean_expr,
38         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
39         gimplify_expr, gimplify_body, gimplify_function_tree,
40         force_gimple_operand): Likewise.
41         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
42         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
43         mx_register_decls): Likewise.
44         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
45         get_frame_field, finalize_nesting_tree_1): Likewise.
46         * tree-inline.c (setup_one_parameter): Likewise.
47         * tree-vect-transform.c (vectorizable_condition): Likewise.
48         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
49         Likewise.
50         * tree-profile.c (tree_gen_edge_profiler): Likewise.
51         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
52         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
53         * tree-chrec.h (build_polynomial_chrec): Likewise.
54
55 2005-12-02  Richard Guenther  <rguenther@suse.de>
56
57         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
58         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
59         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
60         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
61         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
62         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
63         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
64         Likewise.
65         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
66         sh_adjust_unroll_max): Likewise.
67         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
68         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
69         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
70         Likewise.
71         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
72         Likewise.
73         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
74         Likewise.
75
76 2005-12-02  Richard Guenther  <rguenther@suse.de>
77
78         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
79         simplify_cond_using_ranges): Use buildN instead of build.
80         * tree-tailcall.c (adjust_accumulator_values,
81         adjust_return_value): Likewise.
82         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
83         generate_element_copy, generate_element_zero,
84         generate_one_element_init): Likewise.
85         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
86         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
87         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
88         perfect_nestify): Likewise.
89
90 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
91
92         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
93
94 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
95
96         * ggc.h (GGC_RESIZEVEC): New.
97
98 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
99
100         * gcc.c (execute): Improve readability.
101
102 2005-12-02  Richard Guenther  <rguenther@suse.de>
103
104         * tree-cfg.c (mark_used_vars): New function.
105         (dump_function_to_file): Dump only used VAR_DECLs.
106
107 2005-12-02  Richard Guenther  <rguenther@suse.de>
108
109         * convert.c (convert_to_integer): Fix compare for nonpositive
110         constant to use tree_int_cst_sgn <= 0.
111
112 2005-12-02  Richard Guenther  <rguenther@suse.de>
113
114         * convert.c (convert_to_integer): Use fold_convert instead
115         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
116         instead of comparing against 0.  Use build_int_cst instead
117         of converting integer_zero_node.
118
119 2005-12-02  Richard Guenther  <rguenther@suse.de>
120
121         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
122         and RROTATE_EXPR.
123  
124 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
125
126         PR target/21017
127         * combine.c (simplify_logical <IOR>): Simplify more patterns to
128         rotates.
129
130 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
131
132         PR middle-end/25176
133         * function.c (expand_function_end): Emit blockage for unwinder
134         after return label.
135
136 2005-12-01  Roger Sayle  <roger@eyesopen.com>
137
138         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
139         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
140         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
141         integer constant comparisons.
142
143 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
144             Janis Johnson  <janis187@us.ibm.com>
145             David Edelsohn  <dje@watson.ibm.com>
146             Ben Elliston  <bje@au.ibm.com>
147
148         * dfp.h, dfp.c: New files.
149         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
150         (DECNUM_H): Likewise.
151         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
152         (INCLUDES): Append $(DECNUMINC).
153         (OBJS-common): Add dfp.o.
154         (dfp.o): New rule.
155         * real.h (EXP_BITS): Pinch one bit to ..
156         (struct real_value): Add decimal field.
157         (real_format): Change table size, update documentation.
158         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
159         (real_from_string3): Declare.
160         (decimal_single_format): Declare.
161         (decimal_double_format): Declare.
162         (decimal_quad_format): Declare.
163         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
164         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
165         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
166         * real.c: Include dfp.h.
167         (normalize): Early return for decimal floats.
168         (do_add): Zero decimal field.
169         (do_compare): Call do_decimal_compare for decimal floats.
170         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
171         (real_arithmetic): Call decimal_real_arithmetic for decimal
172         floating point operands.
173         (real_identical): If a and b are of differing radix, return false.
174         (real_to_integer): Call decimal_real_to_integer if the value is a
175         decimal float.
176         (real_to_integer2): Likewise, call decimal_real_to_integer2.
177         (real_to_decimal): Likewise, call decimal_real_to_decimal.
178         (real_to_hexadecimal): Place "N/A" in the return string for
179         decimal float.
180         (real_from_string3): New variant, given a mode.
181         (real_maxval): Use decimal_real_maxval for decimal floats.
182         (round_for_format): Use decimal_round_for_format for decimals.
183         (real_convert): Use decimal_real_convert where appropriate.
184         (significand_size): Handle base 10.
185         (encode_decimal_single, decode_decimal_single,
186         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
187         decode_decimal_quad): New functions.
188         (decimal_single_format): New.
189         (decimal_double_format): New.
190         (decimal_quad_format): New.
191         * machmode.def: Add SD, DD and TD decimal floating point modes.
192         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
193         Include MODE_DECIMAL_FLOAT.
194         (DECIMAL_FLOAT_MODE_P): New.
195         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
196         * genmodes.c (struct mode_data): Add counter field.
197         (struct mode_data): Update comment for format.
198         (blank_mode): Initialise counter field.
199         (new_mode): Increment counter field for each mode defined.
200         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
201         using a format.
202         (make_complex_modes): Handle modes containing `D'.
203         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
204         (make_decimal_float_mode): New.
205         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
206         (cmp_modes): Compare counter field if other characteristics
207         similar.
208         (emit_real_format_for_mode): Support formats for decimal floats.
209         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
210         Document MODE_DECIMAL_FLOAT.
211
212 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
213
214         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
215         Delete dead code.
216
217 2005-12-01  Richard Henderson  <rth@redhat.com>
218
219         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
220
221 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
222
223         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
224
225         * config/pa/pa.c (pa_init_builtins): If we detect
226         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
227         putc_unlocked.
228
229 2005-12-01  Richard Guenther  <rguenther@suse.de>
230
231         * fold-const.c (fold_binary): Use fold_build2, not
232         fold (build (...)).
233
234 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
235
236         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
237
238         * vec.h (VEC_block_remove): New.
239
240 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
241
242         PR c/13384
243         * c-common.c (lvalue_error): Fix wording.
244
245 2005-12-01  Richard Guenther  <rguenther@suse.de>
246
247         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
248         thinko in last patch.
249
250 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
251
252         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
253         than -flat_namespace.
254
255 2005-12-01  Ben Elliston  <bje@au.ibm.com>
256
257         * mklibgcc.in: Parameterise the script to build soft float
258         functions by iterating over each type, rather than cloning the
259         code for each type.
260
261 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
262
263         PR middle-end/25158
264         * builtins.c (fold_builtin_fputs): Defer check for missing
265         replacement functions.
266
267 2005-11-30  Kean Johnston  <jkj@sco.com>
268
269         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
270         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
271
272 2005-11-30  Richard Guenther  <rguenther@suse.de>
273
274         PR tree-optimization/22501
275         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
276         function split out from ...
277         (forward_propagate_addr_expr): ... here.  Use it to propagate
278         ADDR_EXPRs to all uses.
279
280 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
281
282         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
283         * builtins.c (expand_builtin_mathfn): Use them.
284         (expand_builtin_mathfn_2): Likewise.
285         (expand_builtin_mathfn_3): Likewise.
286         (expand_builtin_int_roundingfn): Likewise.
287         (expand_builtin): Likewise.
288         (integer_valued_real_p): Likewise.
289         (fold_builtin_int_roundingfn): Likewise.
290         (fold_builtin_bitop): Likewise.
291         (fold_builtin_logarithm): Likewise.
292         (fold_builtin_1): Likewise.
293         * convert.c (convert_to_integer): Likewise.
294         * fold-const.c (negate_mathfn_p): Likewise.
295         (tree_expr_nonnegative_p): Likewise.
296
297 2005-11-30  Dale Johannesen  <dalej@apple.com>
298             Andrew Pinski  <pinskia@physics.uc.edu>
299
300         * combine.c (find_split_point):  Sign extend bitmask
301         when changing bitfield assignment to IOR of AND.
302
303 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
304
305         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
306         clobber to scratch reg.
307         (*decrement_and_branch_until_zero_no_clobber): Remove.
308         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
309         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
310         * config/ms1/ms1.opt (mmul): Remove.
311         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
312         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
313
314 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
315             Bernd Schmidt  <bernd.schmidt@analog.com>
316
317         * pa/predicates.md (symbolic_operand): Add comment.
318         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
319         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
320         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
321         (pa_secondary_reload_class): Delete.
322         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
323         and pa_secondary_reload_class.  Reorder some checks.  Update inline
324         copy of symbolic operand.
325         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
326
327 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
328
329         * loop-doloop.c (add_test): Only add jump notes if we did emit a
330         jump.
331
332 2005-11-30  Jeff Law  <law@redhat.com>
333
334         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
335         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
336
337 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
338
339         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
340         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
341         (ia64_expand_move): Adjust caller.
342
343         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
344         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
345         negate VAL.
346
347 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
348
349         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
350         Always produce an output if we can remove NEGs or canonicalize
351         (minus (minus ...)) expressions.  Provide a fast path for the
352         two-operand case.
353         (simplify_gen_binary): Do not call simplify_plus_minus.
354         (simplify_binary_operation_1): Reassociate at the end of the
355         function.
356
357 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
358
359         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
360         moves and unpack to speed up.
361
362 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
363
364         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
365         argument, they are always sparc_compare_op0 and sparc_compare_op1.
366         (gen_v9_scc): Update callers.
367         * config/sparc/sparc.md: Likewise.
368         * config/sparc/sparc-protos.h: Update extern declaration.
369
370         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
371
372 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
373
374         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
375         the if.
376
377 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
378
379         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
380         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
381         (negate_expr): Here.
382
383 2005-11-29  Ben Elliston  <bje@au.ibm.com>
384
385         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
386         Fix typo in comment.
387
388 2005-11-29  Ben Elliston  <bje@au.ibm.com>
389
390         * Makefile.in (clean-target): Depend on clean-target-libgcc.
391         (clean-target-libgcc): Import rule from the top-level Makefile.in.
392
393 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
394
395         PR middle-end/20109
396         PR middle-end/25120
397         * builtins.c (init_target_chars): New.
398         (expand_builtin_printf, expand_builtin_fprintf,
399         expand_builtin_sprintf, fold_builtin_sprintf,
400         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
401         fold_builtin_snprintf_chk, fold_builtin_printf,
402         fold_builtin_fprintf): Check for matching format strings using
403         the target charset.
404
405 2005-11-29  Paul Brook  <paul@codesourcery.com>
406
407         * config.gcc: Do not use fixproto on m68k-elf.
408
409 2005-11-28  Roger Sayle  <roger@eyesopen.com>
410
411         * expmed.c (div_cost): Replace with...
412         (sdiv_cost, udiv_cost): New.
413         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
414         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
415         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
416         (expand_divmod): Replace use of div_cost with either sdiv_cost
417         or udiv_cost depending upon the signedness of the operation.
418
419 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
420
421         PR libfortran/24991
422         * config/darwin.c (machopic_indirection_name,
423         machopic_output_indirection): Follow transparent alias chain.
424
425 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
426
427         * varasm.c (ultimate_transparent_alias_target): Add comment.
428
429 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
430
431         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
432         SET_SRC instead of XEXP where appropriate.
433
434 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
435
436         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
437         __builtin_expect.
438
439 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
440
441         * config/fp-bit.h (LSHIFT): Take shift count parameter.
442         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
443         bit at a time.
444
445 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
446
447         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
448         secondary_input_reload_class, made static.  Adapt to new
449         infrastructure.
450         (secondary_output_reload_class): Delete.
451         (TARGET_SECONDARY_RELOAD): New macro.
452         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
453         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
454
455 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
456
457         PR c++/21166
458         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
459         when its natural alignment is > BITS_PER_UNIT.
460         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
461         * c-common.c (handle_packed_attribute): Ignore packing on a field
462         whose type is naturally char aligned.
463
464 2005-11-28  Richard Guenther  <rguenther@suse.de>
465
466         * c-common.c (strict_aliasing_warning): Handle all
467         component-ref like accesses.
468
469 2005-11-28  Roger Sayle  <roger@eyesopen.com>
470             Uros Bizjak  <uros@kss-loka.si>
471
472         PR middle-end/20219
473         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
474         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
475         when flag_unsafe_math_optimizations is set and
476         we don't care about NaNs or Infinities.
477
478         Move x/expN(y) and x/pow(y,z) transformation into common
479         flag_unsafe_math_optimizations section.
480
481 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
482
483         * gcc.c (main): Change type of argv to "char **".
484
485 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
486
487         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
488         small data sections.
489         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
490         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
491         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
492         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
493         output locals to sbss if !rs6000_elf_in_small_data_p.
494         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
495
496 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
497
498         PR target/24997
499         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
500         generated by reload.
501         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
502         indexed_or_indirect_address.
503         (indexed_or_indirect_address): Don't test for base reg.  Call
504         address_operand last.  Make it a special predicate.
505
506 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
507
508         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
509
510 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
511
512         PR middle-end/24575
513         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
514         is undefined.
515         (negate_expr): Likewise.
516
517 2005-11-27  Andreas Schwab  <schwab@suse.de>
518
519         * config/m68k/m68k.c: Reindent and fix whitespace, remove
520         redundant parens.
521
522 2005-11-27  Steven Bosscher  <stevenb@suse.de>
523
524         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
525         has EH predecessor edges.
526
527 2005-11-26  Eric Christopher  <echristo@apple.com>
528
529         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
530         register stalls by zero extending to the full register.
531
532 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
533
534         * config/floatunsisf.c, config/floatunsidf.c,
535         config/floatunsixf.c, config/floatunsitf.c: New files.
536         * config/ia64/t-hpux: Add floatunsitf.c.
537         * config/ia64/ia64.c (ia64_init_libfuncs): Use
538         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
539
540 2005-11-26  Richard Henderson  <rth@redhat.com>
541
542         * c-lex.c (pragma_lex): Rename from c_lex.
543         * c-pch.c: Update for pragma_lex rename.
544         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
545         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
546         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
547         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
548         * doc/tm.texi: Likewise.
549
550 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
551
552         PR middle-end/23669
553         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
554         when overflow is undefined.
555
556 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
557
558         * doc/md.texi (Insn Canonicalizations): Refer to the
559         function commutative_operand_precedence for further rules.
560
561 2005-11-25  Roger Sayle  <roger@eyesopen.com>
562
563         PR middle-end/21309
564         * expmed.c (choose_mult_variant): Return immediately when mult_cost
565         is less than zero.  Limit mult_cost to a reasonable upper bound for
566         the synthetic multiplication sequence.
567
568 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
569
570         PR middle-end/25022
571         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
572         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
573         Lookup the explicit replacement functions for any unlocked
574         stdio builtin transformations.
575
576 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
577
578         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
579         earlyclobber.
580         * targhooks.c (default_secondary_reload): Don't require operand 2
581         for an input reload to be earlyclobber.
582
583 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
584
585         * fold-const.c (negate_mathfn_p): Fix comment and add support
586         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
587         BUILT_IN_ATANH.
588
589 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
590
591         PR middle-end/24998
592         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
593         _Q_ulltoq for unsigned conversions from SImode and DImode to
594         TFmode.
595
596 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
597
598         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
599         (__floatundidf, __floatundisf): Likewise.
600
601 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
602
603         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
604         (rs6000_override_options): Remove initialization of
605         rs6000_sr_alias_set.
606         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
607         (rs6000_emit_stack_tie): Same.
608         (emit_frame_save): Same.
609         (gen_frame_mem_offset): Same.
610         (rs6000_emit_prologue): Same.
611         (rs6000_emit_epilogue): Same.
612
613 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
614
615         PR middle-end/24989
616         * fold-const.c (fold_build): Convert bool_var != 1 and
617         bool_var == 0 to !bool_var.
618
619 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
620
621         PR middle-end/24990
622         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
623         for C being INTEGER_CST.  Likewise for !=.
624
625 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
626
627         PR middle-end/24998
628         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
629         unsigned conversions from SImode to TFmode.
630
631 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
632
633         * expr.c (expand_expr_real_1): Fix error in last change.
634
635 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
636
637         * caller-save.c: (this_insn_sets): Move into:
638         (save_call_clobbered_regs).
639         (mark_set_regs): Get this_insn_sets from data.
640
641         (save_call_clobbered_regs): Take sets of the return value by
642         sibcalls into account.
643
644 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
645         PR target/21623:
646
647         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
648         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
649         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
650         (memory_move_secondary_cost, init_reg_autoinc): Remove
651         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
652         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
653         secondary_reload_class call.
654         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
655         callers.
656         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
657         (push_secondary_reload): Use secondary_reload target hook.
658         (secondary_reload_class, scratch_reload_class): New functions.
659         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
660         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
661         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
662         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
663         (secondary_reload_class, scratch_reload_class): Declare.
664         * reload1.c: Include target.h.
665         (reload_adjust_reg_for_temp): New function.
666         (reload_adjust_reg_for_icode): Likewise.
667         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
668         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
669         call.
670         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
671         for inheritance.  Support case when both secondary & tertiary reloads
672         are for intermediate registers.
673         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
674         with secondary_reload_class call.  Support case when both secondary
675         & tertiary reloads are for intermediate registers.
676         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
677         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
678         * target.h (secondary_reload_info): New struct / typedef.
679         (struct gcc_target): New member secondary_reload.
680         * targhooks.c Include reload.h, optabs.h and recog.h.
681         (default_secondary_reload): New function.
682         * targhooks.h (default_secondary_reload): Declare.
683         * doc/tm.texi: Document secondary_reload target hook.  Update
684         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
685         * doc/md.texi: Likewise.
686
687         * sh-protos.h (sh_secondary_reload): Declare.
688         * sh.c (TARGET_SECONDARY_RELOAD): Override.
689         (sh_secondary_reload): New function.
690         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
691         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
692         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
693         (HAVE_SECONDARY_RELOADS): Define.
694         * sh.md (reload_indf): Rename to:
695         (reload_indf__frn).
696         (reload_outdf): Rename to:
697         (reload_outdf__RnFRm).
698         (reload_insf): Rename to:
699         (reload_insf__frn).
700         (reload_insi): Rename to:
701         (reload_insi__i_fpul).
702
703 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
704
705         * configure.ac: Require at least texinfo 4.4.
706         * configure: Regenerate.
707
708         * doc/install.texi (Tools/packages necessary for building GCC):
709         Update required version of texinfo to at least 4.4.
710         (Installing GCC: Building): Update required version of texinfo
711         to at least 4.4.
712         (Installing GCC: Final installation): Update required version
713         of texi2dvi to at least 4.4.
714         (Host/target specific installation notes for GCC): Update required
715         version of texinfo to at least 4.4.
716
717 2005-11-24  Richard Guenther  <rguenther@suse.de>
718         Dirk Mueller <dmueller@suse.de>
719
720         PR c++/14024
721         * c-common.h (strict_aliasing_warning): Declare.
722         * c-common.c (strict_aliasing_warning): New function,
723         split out from ...
724         * c-typeck.c (build_c_cast): ... here.
725
726 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
727
728         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
729         to order operands.
730         (swap_commutative_operands_with_target): New.
731
732 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
733
734         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
735         also when doing PRE, rather than only for global CPROP.
736
737 2005-11-24  Ben Elliston  <bje@au.ibm.com>
738
739         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
740         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
741         formatting.
742         (expand_twoval_unop): Likewise.
743         (widen_clz): Likewise.
744         (expand_parity): Likewise.
745         (expand_unop): Likewise.
746         (emit_cmp_and_jmp_insn_1): Likewise.
747         (prepare_float_lib_cmp): Likewise.
748
749 2005-11-24  Ben Elliston  <bje@au.ibm.com>
750
751         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
752         Remove unused `class' variable.
753
754 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
755
756         PR c++/21667
757         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
758         C/C++ diagnostic function warn_array_subscript_with_type_char.
759         * c-common.h (warn_array_subscript_with_type_char): Declare.
760         * c-common.c (warn_array_subscript_with_type_char): Define.
761
762 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
763
764         PR c/21668
765         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
766         compiling at the intersection of C and C++.
767
768 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
769
770         * doc/invoke.texi: For man pages, include gcc-vers.texi.
771         List @file in the option summary.  Include the libiberty
772         documentation for @file.
773         * gcc.c (main): Call expandargv.
774         * Makefile.in (gcc-vers.texi): Define srcdir.
775
776 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
777
778         * passes.c (init_optimization_passes): Document
779         sequencing of passes.
780
781 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
782
783         * config/m68k/predicates.md (pcrel_address, extend_operator,
784         post_inc_operand, pre_dec_operand): Remove redundant
785         conditionals.
786         (const_uint32_operand, const_sint32_operand): Use gcc_assert
787         instead of abort.
788         (valid_dbcc_comparison_p): Rewrite in the lisp style.
789
790 2005-11-23  Ben Elliston  <bje@au.ibm.com>
791
792         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
793
794 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
795
796         Preparatory work for PR target/21623:
797         * alpha.c (secondary_reload_class): Rename to:
798         (alpha_secondary_reload_class).
799         * alpha.h, alpha-protos.h: Likewise.
800         * mn10300.c (secondary_reload_class): Rename to:
801         (mn10300_secondary_reload_class).
802         * mn10300.h, mn10300-protos.h: Likewise.
803         * pa.c (secondary_reload_class): Rename to:
804         (pa_secondary_reload_class).
805         * pa.h, pa-protos.h: Likewise.
806         * rs6000.c (secondary_reload_class): Rename to:
807         rs6000_secondary_reload_class.
808         * rs6000.h, rs6000-protos.h: Likewise.
809
810 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
811
812         PR middle-end/22561
813         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
814
815 2005-11-22  Ian Lance Taylor  <ian@airs.com>
816
817         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
818         a mode_class.
819         (prepare_cmp_insn): Likewise.
820
821 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
822
823         PR target/23435
824         * m68k.md (zero_extendsidi2): Force operands[1] to a register
825         if both operands[0] and operands[1] are memory.
826
827 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
828
829         PR middle-end/23606
830         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
831         COMPARISON_CLASS_P and an integral types create create a new
832         expression with the new type and fold that.
833
834 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
835
836         PR target/24988
837         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
838         to SUBTARGET_OS_CPP_BUILTINS.
839
840 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
841
842         * arm.c (emit_set_insn): New function.
843         (arm_split_constant): Call it.
844         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
845         (arm_legitimize_address): Likewise.  Use plus_constant.
846         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
847         (thumb_expand_prologue): Likewise.
848         (arm_gen_load_multiple): Use VOIDmode in SET.
849         (arm_gen_store_multiple): Likewise.
850         (vfp_emit_fstmx): Likewise.  Use plus_constant.
851         (emit_multi_reg_push): Likewise.
852         (emit_sfm): Use plus_constant.
853
854 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
855
856         PR target/24954
857         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
858         typo last change.
859
860 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
861
862         PR middle-end/24950
863         * expmed.c (store_bit_field): Don't attempt to insv a field
864         larger than the reg.
865
866 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
867
868         PR target/24954
869         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
870         explicit sign extension, not a (char) cast.
871
872 2005-11-22  Ben Elliston  <bje@au.ibm.com>
873
874         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
875         GET_MODE_CLASS (x) == MODE_FLOAT.
876         * config/i386/i386.c: Likewise.
877         * config/rs6000/xcoff.h: Likewise.
878         * config/rs6000/linux64.h: Likewise.
879         * config/rs6000/rs6000.c: Likewise.
880         * config/rs6000/rs6000.h: Likewise.
881         * config/rs6000/predicates.md: Likewise.
882         * config/rs6000/sysv4.h: Likewise.
883
884 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
885
886         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
887         flag_pic is set.
888
889         * config/alpha/freebsd.h, config/alpha/linux.h,
890         config/arm/linux-elf.h, config/bfin/bfin.h,
891         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
892         config/i386/beos-elf.h, config/i386/gnu.h,
893         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
894         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
895         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
896         config/rs6000/linux64.h, config/rs6000/sysv4.h,
897         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
898         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
899         config/sparc/linux.h, config/sparc/linux64.h,
900         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
901
902         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
903         are both defined when either flag -fpic or -fPIC are used.
904
905 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
906
907         * config/fp-bit.c (clzusi): New function.
908         (si_to_float, usi_to_float): Use it to compute proper shift.
909         (usi_to_float): Preserve guard bits when shifting right.
910         * libgcc-std.ver (GCC_4.2.0): New version.
911         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
912         __floatundisf): New functions.
913         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
914         __floatundisf): Declare.
915         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
916         _floatundixf, and _floatunditf.
917         * optabs.c (expand_float): If target does not define a pattern for
918         signed or unsigned conversion, use an unsigned libcall instead of
919         a signed one.
920         (init_optabs): Initialize ufloat_optab.
921
922 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
923
924         * config/rs6000/rs6000.opt (mmulhw): New option.
925         * doc/invoke.texi (-mmulhw): Document.
926         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
927         for 405 and 440.
928         * config/rs6000/rs6000.md: Add half-word multiply and
929         multiply-accumulate instructions for 405 and 440.
930
931 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
932
933         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
934         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
935         default now includes a linker group which makes the RTEMS one nest.
936
937 2005-11-22  Ben Elliston  <bje@au.ibm.com>
938
939         * cse.c (fold_rtx): Typo fix.
940         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
941
942 2005-11-21  Richard Henderson  <rth@redhat.com>
943
944         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
945         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
946
947         * c-tree.h (lookup_name): Move declaration ...
948         * c-common.h (lookup_name): ... here.
949         * config/darwin-c.c: Include c-common.h.
950         * config/t-darwin: Update dependencies.
951
952 2005-11-22  Ben Elliston  <bje@au.ibm.com>
953
954         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
955         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
956         * genopinit.c (gen_insn): Likewise.
957         * reload.c (find_equiv_reg): Likewise.
958         * loop.c (load_mems): Likewise.
959         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
960         * cse.c (find_comparison_args, fold_rtx): Likewise.
961         * dwarf2out.c (add_const_value_attribute): Likewise.
962         * expr.c (convert_move): Likewise.
963         * recog.c (general_operand, register_operand): Likewise.
964         * reg-stack.c (replace_reg): Likewise.
965         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
966         * c-common.c (handle_vector_size_attribute): Likewise.
967         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
968         (simplify_binary_operation_1): Likewise.
969         (simplify_const_binary_operation): Likewise.
970         (simplify_relational_operation): Likewise.
971         (simplify_const_relational_operation): Likewise.
972         (simplify_immed_subreg): Likewise.
973         * emit-rtl.c (gen_lowpart_common): Likewise.
974         * expmed.c (expand_mult): Likewise.
975         * stor-layout.c (layout_type): Likewise.
976
977 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
978
979         PR target/24951
980         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
981         cst2 only for SPE vectors.
982
983 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
984
985         PR target/24953
986         * config/rs6000/predicates.md (vrsave_operation): Check
987         UNSPEC_VOLATILE value.
988
989 2005-11-21  Jan Hubicka  <jh@suse.cz>
990
991         PR tree-optimization/24653
992         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
993
994 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
995
996         * config/i386/predicates.md (ax_reg_operand): New predicate.
997         (memory_displacement_only_operand): New predicate.
998         * config/i386/i386.md ("modrm" attribute): Return 0 if one
999         operand is AX register and the other operand is memory operand
1000         with displacement only.
1001
1002 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1003
1004         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1005         if we don't care about NaNs or Infinities.
1006
1007 2005-11-20  Ian Lance Taylor  <ian@airs.com>
1008
1009         PR rtl-optimization/24883
1010         * combine.c (combinable_i3pat): When checking whether the
1011         destination of i3 is used in i3, consider paradoxical subregs.
1012
1013 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
1014
1015         PR middle-end/20583
1016         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1017
1018 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
1019
1020         * combine.c (try_combine): Do not run subst on i1src and i2src in
1021         the case of generating a PARALLEL for a comparison.
1022
1023 2005-11-20  Richard Henderson  <rth@redhat.com>
1024
1025         PR 24931
1026         * tree-sra.c (struct sra_elt): Add all_no_warning.
1027         (struct sra_walk_fns) <use>: Add use_all argument.
1028         (sra_walk_expr): Pass it.
1029         (sra_walk_modify_expr): Likewise.
1030         (scalarize_ldst): Likewise.
1031         (scan_use): Update for new argument.
1032         (mark_no_warning): New.
1033         (scalarize_use): Use it.
1034
1035 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1036
1037         * expr.c (expand_expr_real): Use usmul_optab for widening
1038         signed * unsigned multiplies.
1039         * genopinit.c (optabs): Add usmul_widen_optab.
1040         * optabs.c (init_optabs): Likewise.
1041         * optabs.h (enum optab_index): Add OTI_usmul_widen.
1042         (usmul_widen_optab): Define.
1043         * config/bfin/bfin.md (usmulhisi3): New pattern.
1044
1045         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1046
1047 2005-11-20  Graham Stott <btinternet.com>
1048
1049         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1050
1051 2005-11-20  Andreas Schwab  <schwab@suse.de>
1052
1053         PR target/24757
1054         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1055         insn.
1056
1057 2005-11-19  Richard Henderson  <rth@redhat.com>
1058
1059         PR tree-opt/24665
1060         * tree-gimple.c (is_gimple_id): Export.
1061         * tree-gimple.h (is_gimple_id): Declare.
1062         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1063         (get_default_value): Use it.
1064         (maybe_fold_stmt_indirect): Likewise.
1065
1066 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
1067
1068         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1069         than VR1 or vice-versa.
1070
1071 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
1072
1073         PR middle-end/24912
1074         PR middle-end/24750
1075         * reload.c (find_reloads_address_1): Mention dependency on
1076         gen_reload.
1077         * reload1.c (gen_reload): For IN with an unary operation, try
1078         moving inner expression to OUT if trivial SET is not valid.
1079         Confirm that the result is valid.  Move common code block into...
1080         (emit_insn_if_valid_for_reload): New function.
1081
1082 2005-11-19  Richard Guenther  <rguenther@suse.de>
1083
1084         * fold-const.c (fold_indirect_ref_1): Make sure we fold
1085         ARRAY_REFs of constant strings.
1086
1087 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
1088
1089         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1090         fatal format string.
1091
1092 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
1093
1094         * combine.c (make_compound_operation): Swap operands of
1095         commutative operation if necessary before returning.
1096
1097 2005-11-19  Richard Guenther  <rguenther@suse.de>
1098
1099         PR middle-end/23294
1100         * fold-const.c (fold_plusminus_mult_expr): New function.
1101         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1102         cases, remove now unnecessary code.
1103
1104 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
1105
1106         * gensupport.c (old_preds): Rename to std_preds, add special field.
1107         (struct old_pred_table): Rename to struct std_pred_table, add special
1108         field.
1109         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1110         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1111         (init_predicate_table): Adjust, and set along the way whether a
1112         predicate is special.
1113
1114 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
1115
1116         * BASE-VER: Change to 4.2.0.
1117
1118 2005-11-18  James E Wilson  <wilson@specifix.com>
1119
1120         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1121         returning it.
1122
1123 2005-11-18  Mike Stump  <mrs@apple.com>
1124
1125         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1126         * config/darwin-c.c (darwin_pragma_unused): Likewise.
1127         * c-decl.c (lookup_name_two) Remove.
1128         * c-tree.h (lookup_name_two): Remove.
1129         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1130         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1131         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1132         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1133
1134 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
1135
1136         PR target/24914
1137         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1138         when not generating code to use that co-processor.
1139
1140 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
1141
1142         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1143         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1144         these functions are now in tree-phinodes.c.
1145
1146 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
1147
1148         * config/bfin/bfin.md (trap): New pattern.
1149
1150 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1151
1152         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1153         on types.
1154
1155         * expr.c (expand_expr_real): Don't call record_block_change unless
1156         ib_boundaries_block is non-null
1157
1158         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1159
1160         * fold-const.c (build_range_check): Use proper type for subtraction
1161         when merging lower bound.
1162
1163 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
1164
1165         PR rtl-optimization/24497
1166         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1167         the copied insn.
1168
1169 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
1170
1171         * tree-scalar-evolution.c (expression_expensive_p): New function.
1172         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1173
1174 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1175
1176         * config/bfin/crtlibid.s: New file.
1177
1178 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1179
1180         PR target/24348
1181         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1182         when not using sjlj exceptions.
1183         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1184         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1185         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1186         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1187         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1188         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1189         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1190         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1191         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1192         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1193         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1194         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1195         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1196         defines.
1197         * config/pa/hpux-unwind.h: New file.
1198
1199 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
1200
1201         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1202         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1203         * varasm.c (do_assemble_alias): Adjust call.
1204         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1205         is defined.
1206         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1207
1208 2005-11-17  James E Wilson  <wilson@specifix.com>
1209
1210         * tree.def (FUNCTION_DECL): Correct typo in comment.
1211
1212 2005-11-17  Richard Henderson  <rth@redhat.com>
1213
1214         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1215         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1216         and DW_CFA_def_cfa_sf.
1217         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1218         (dbx_reg_number): Don't assert particular registers here.
1219         (based_loc_descr): ... do it here instead.  Fold in ...
1220         (eliminate_reg_to_offset): ... this function.
1221         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1222         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1223         * unwind-dw2.c (execute_cfa_program): Apply data align factor
1224         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1225         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1226         (instantiate_virtual_regs): Likewise.
1227         * var-tracking.c (adjust_stack_reference): Likewise.
1228         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1229
1230 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1231
1232         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1233         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1234         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1235         crtlibid.o.
1236         ($(T)crtlibid.o): New rule.
1237
1238 2005-11-16  Richard Guenther  <rguenther@suse.de>
1239
1240         PR middle-end/24851
1241         * fold-const.c (extract_array_ref): Return byte offset
1242         in all cases.
1243         (fold_binary): Fold &x[a] CMP &x[b] to
1244         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1245         behavior.
1246
1247 2005-11-16  Richard Henderson  <rth@redhat.com>
1248
1249         PR middle-end/23497
1250         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1251         parts of an SSA_NAME.
1252
1253 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
1254
1255         PR target/24861
1256         * arm.md (split for movsf with immediate): Restrict split to insns
1257         that set a general register.
1258
1259 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
1260
1261         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
1262         uw_update_context.
1263         * unwind-dw2.c (uw_advance_context): Likewise.
1264         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
1265         _Unwind_SjLj_Unregister.
1266         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1267
1268 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
1269
1270         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1271
1272 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
1273
1274         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1275         langhook to get a DImode integer type.
1276
1277 2005-11-16  Richard Henderson  <rth@redhat.com>
1278             J"orn Rennecke <joern.rennecke@st.com>
1279             Ulrich Weigand  <uweigand@de.ibm.com>
1280
1281         PR rtl-opt/24160
1282         PR target/24621
1283         * reload1.c (reg_equiv_invariant): New.
1284         (reload): Allocate, initialize, and free it.
1285         (calculate_needs_all_insns): Check it when skipping equivalence
1286         setting insns.
1287         (alter_reg): Likewise.
1288         (eliminate_regs_1): Rename from eliminate_regs.  Add new
1289         may_use_invariant argument; only use reg_equiv_invariant when true.
1290         (eliminate_regs): New.
1291         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1292         a context for which may_use_invariant may be true.
1293
1294 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
1295
1296         * fold-const.c (const_binop): Don't constant fold the operation
1297         if the result has overflowed and flag_trapping_math.
1298         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1299
1300 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
1301
1302         * config/arm/unwind-arm.c (abort): Add prototype here.
1303         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1304         (struct phase1_vrs): Add prev_sp.
1305         (unwind_phase2_forced): Save the original core registers instead of
1306         modifying entry_vrs.  Take a new flag argument for resuming unwinding
1307         and set action flags accordingly.  Always set _US_END_OF_STACK when
1308         get_eit_entry fails.  Unwind before calling the stop function.
1309         (_Unwind_GetCFA): New function.
1310         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1311         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1312         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1313         just call unwind_phase2_forced.
1314         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1315         * config/arm/unwind-arm.h (abort): Remove prototype.
1316         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1317         prototypes.
1318         (_Unwind_GetCFA): New prototype.
1319         * config/arm/pr-support.c (abort): Add prototype here.
1320         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1321         forced unwinding.
1322         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1323         not schedule the prologue with non-call exceptions and EABI.
1324
1325 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
1326
1327         * config/arm/unwind-arm.h: Reorder interface function declarations.
1328         (_URC_END_OF_STACK): New enumeration value.
1329         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1330         (struct _Unwind_Control_Block): Document reserved field use.
1331         (_Unwind_Stop_Fn): New typedef.
1332         (_Unwind_ForcedUnwind): Declare.
1333         (_Unwind_Resume_or_Rethrow): Declare.
1334         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1335         argument.  Adjust.
1336         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1337         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1338         (UCB_FORCED_STOP_ARG): New.
1339         (search_EIT_table): Update boundary condition checks.
1340         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1341         (unwind_phase2): Replace for with do..while.
1342         (unwind_phase2_forced): New.
1343         (__gnu_Unwind_RaiseException): Replace for with do..while.
1344         (__gnu_Unwind_ForcedUnwind): New.
1345         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1346         Use appropriate phase2 unwinder.
1347         (__gnu_Unwind_Resume_or_Rethrow): New.
1348         (__gnu_unwind_pr_common): Cope with forced unwinding.
1349
1350 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
1351
1352         PR target/24772
1353         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1354
1355         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1356         roundsf2): Remove "s" from mnemonic.
1357
1358 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
1359
1360         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1361         __PIC__ is defined.
1362         * config/bfin/crtn.s: Change epilogues to match.
1363         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1364         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1365         __PIC__ and __pic__.
1366
1367 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
1368
1369         PR 24357
1370         * doc/invoke.texi: Distinguish between free and fixed form instead of
1371         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
1372         languages.
1373         * gcc.c (default_compilers): Remove double entries, add entries for
1374         suffixes '.F90' and '.F95'.
1375
1376 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
1377
1378         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1379         in the stack probing loop.
1380
1381 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
1382
1383         * configure.ac: Use .machine power5 not power5x.
1384         * configure: Regenerate.
1385
1386 2005-11-15  Mike Stump  <mrs@apple.com>
1387
1388         * c-decl.c (lookup_name_two): Add.
1389         * c-tree.h (lookup_name_two): Likewise.
1390         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1391         * config/darwin-c.c (darwin_pragma_unused): Likewise.
1392
1393 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
1394
1395         PR rtl-optimization/23392
1396         * regrename.c (enum scan_actions) Add mark_access.
1397         (scan_actions_name): Ditto.
1398         (scan_rtx_reg): Handle mark_access.
1399         (scan_rtx_address): Do nothing for mark_access.
1400         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1401         and regs in REG_INC notes before closing chains for dead regs.
1402         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1403         opening chains for new writes.
1404
1405 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
1406
1407         * c.opt (ffixed-line-length-none): New.
1408
1409 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
1410
1411         * mklibgcc.in: Change contents of eh_dummy.c.
1412
1413 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
1414
1415         * loop.c (scan_loop): Do not insert temporaries for hard registers.
1416
1417 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
1418
1419         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1420         of making syscalls.
1421         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
1422
1423 2005-11-15  Jan Hubicka  <jh@suse.cz>
1424
1425         * invoke.texi (large-unit-insns): Document.
1426         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1427         * params.def (large-unit-insns): New param.
1428
1429 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
1430
1431         PR target/24869
1432         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1433         special register for operand 3.  Reindent constraints to align
1434         them vertically.
1435
1436 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
1437
1438         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1439         -mpopcntb, -mfprnd. Add -mcpu=power5+.
1440         * configure.ac: Add test for FP rounding instructions.
1441         * configure: Regenerate.
1442         * config.in: Regenerate.
1443         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1444         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1445         features enabled.
1446         * config/rs6000/rs6000.opt (mfprnd): New.
1447         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1448         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1449         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1450         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1451         (TARGET_FPRND): New.
1452         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1453         UNSPEC_FRIZ): New.
1454         (btrunc<mode>2): New.
1455         (ceil<mode>2): New.
1456         (floor<mode>2): New.
1457         (round<mode>2): New.
1458
1459 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
1460
1461         * gcc.c (version_compare_spec_function): Use fatal() rather than
1462         abort().
1463
1464         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1465         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1466         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1467         as empty.
1468         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1469         link in crt2.o.
1470
1471         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1472         on -mmacosx-version-min setting.
1473
1474 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
1475
1476         PR 24840
1477         * tree-vrp.c (infer_value_range): Return false if STMT is a
1478         block terminator and its basic block has no successors.
1479
1480 2005-11-14  Mike Stump  <mrs@apple.com>
1481
1482         * config/i386/i386.c (override_options): -masm=intel isn't
1483         supported on darwin.
1484         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1485
1486 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
1487
1488         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1489         vfork after including auto-host.h.
1490
1491 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
1492
1493         PR rtl-optimization/22002
1494         * combine.c (distribute_notes): Detect cases where a reg dies
1495         two or more times in a bb, including on the insn we are combining,
1496         and place the death note on the correct range.
1497
1498 2005-11-14  Dale Johannesen  <dalej@apple.com>
1499
1500         * expmed.c (store_bit_field):  Add offset unconditionally for
1501         memory targets.
1502         (extract_bit_field):  Don't force extzv or extv operand into
1503         a register if field is too big.
1504
1505 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1506
1507         * config/arm/arm.c (pic_labelno): New.
1508         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1509         LABEL_REF.  Pass only the labelno to PIC insns.
1510         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1511         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1512         * arm.md (UNSPEC_PIC_LABEL): New constant.
1513         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1514         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1515         Use the correct label prefix.
1516
1517 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
1518
1519         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1520         REQ_EQUIV note.
1521
1522 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
1523
1524         * loop-invariant.c: Include tm_p.h.
1525         * Makefile.in: Updated.
1526
1527 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1528
1529         * pa.c (store_reg): Revise generation of frame notes in large frames.
1530         (set_reg_plus_d): Likewise.
1531
1532 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
1533
1534         PR tree-optimization/24709
1535         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1536         loop check.
1537
1538 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1539
1540         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1541         and duplicate declaration of pthread_self.
1542
1543 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
1544             Ian Lance Taylor  <ian@airs.com>
1545
1546         PR middle-end/24003
1547         * calls.c (expand_call): If TARGET is a MEM and some part of the
1548         argument area has been saved, force TARGET to a register.
1549
1550 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
1551
1552         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1553         checking.
1554
1555 2005-11-13  Jason Merrill  <jason@redhat.com>
1556
1557         PR c++/22489
1558         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1559         lazily declared methods.
1560         (force_decl_die): Stop if forcing out the context already make a
1561         DIE for the decl.
1562         (force_type_die): Likewise.
1563
1564 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
1565
1566         PR middle-end/24820
1567         * builtins.c (integer_valued_real_p): Add break in
1568         REAL_CST having TREE_OVERFLOW set.
1569
1570 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
1571
1572         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1573         addressing modes during calculation of costs.
1574
1575 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
1576
1577         * function.c (assign_stack_local_1): Restrict sanity check
1578         on frame size overflow to 32-bit and above platforms.
1579
1580 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1581
1582         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1583         * config/cris/cris.c: Include reload.h.
1584         (cris_initial_elimination_offset): New function.
1585         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1586         Prototype.
1587
1588 2005-11-12  Richard Guenther  <rguenther@suse.de>
1589
1590         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1591
1592 2005-11-12  Jan Hubicka  <jh@suse.cz>
1593
1594         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1595         to compare against 0 when possible.
1596
1597 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
1598
1599         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1600         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1601         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1602         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1603         in the new order.
1604
1605 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1606
1607         * recog.c (constrain_operands) <case 'g'>: For a match, require
1608         that a non-register matches general_operand when strict >= 0.
1609
1610 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1611
1612         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1613         previous checkin.
1614
1615 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1616
1617         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1618         (memory_address_same): New.
1619         (dse_optimize_stmt): Call memory_address_same.
1620
1621 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
1622
1623         PR middle-end/24750
1624         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1625         ZERO_EXTEND>: New cases.
1626
1627 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1628
1629         * longlong.h (__clz_tab): Always provide.
1630
1631 2005-11-11  Steven Bosscher  <stevenb@suse.de>
1632
1633         PR 24265
1634         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1635         can be assigned to.
1636         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1637         before check_maybe_invariant.
1638         (move_invariant_reg): Use gen_move_insn instead of replacing
1639         SET_DEST with the temporary for the invariant.
1640         (move_loop_invariants): If checking is enabled, do internal
1641         consistency checks after completing the pass.
1642
1643 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
1644
1645         PR 24644
1646         * common.opt (Wvolatile-register-var): New.
1647         * varasm.c (make_decl_rtl): Only emit warning when option
1648         specified.  Clarify warning message.
1649         * doc/invoke.texi (Wvolatile-register-var): Document new option.
1650
1651         * doc/md.texi (copysign): Document standard named pattern.
1652
1653 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
1654
1655         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1656         bytes when align is 2.
1657         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1658         by the first instruction of the loop.
1659
1660 2005-11-11  Jason Merrill  <jason@redhat.com>
1661
1662         PR c++/24686
1663         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1664         the cleanup list.
1665
1666 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
1667
1668         PR rtl-optimization/22509
1669         * local-alloc.c (memref_used_between_p): Check whether a function call
1670         could not reference the memref.
1671
1672 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
1673
1674         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1675         algorithm so as to choose the best, not the worst, alternative.
1676         Reset accumulated register class before processing next alternative.
1677
1678 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1679
1680         PR target/24445
1681         * calls.c (expand_call): Copy a return value to a plain register
1682         if needed.
1683
1684 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
1685
1686         PR target/24778
1687         * varasm.c (assemble_name): Recompute name only for transparent
1688         aliases.
1689
1690 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
1691
1692         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1693
1694 2005-11-04  Jeff Law  <law@redhat.com>
1695
1696         PR middle-end/23181
1697         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1698         perform reassociation if the parent statement will not die as
1699         a result of the optimization.
1700
1701 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
1702
1703         * tree-ssa-alias.c (compute_may_aliases): Remove call to
1704         delete_old_heap_vars.
1705         * tree-dfa.c (referenced_var_remove): Remove function.
1706         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1707         (delete_tree_ssa): Remove call to delete_old_heapvars.
1708         Add call to delete_alias_heapvars.
1709         * tree-flow.h (referenced_var_remove): Remove prototype
1710         (init_alias_heapvars): New prototype.
1711         (delete_alias_heapvars): Ditto.
1712         * Makefile.in (tree-ssa-structalias.o): Add
1713         gt-tree-ssa-structalias.o
1714         (GTFILES): Add tree-ssa-structalias.h and
1715         tree-ssa-structalias.c.
1716         (s-gtype): Add gt-tree-ssa-structalias.h.
1717         * tree-ssa-structalias.c (heapvars): Remove.
1718         (oldheapvars): Remove.
1719         (heapvar_for_stmt): New variable.
1720         (heapvar_lookup): New function.
1721         (heapvar_insert): Ditto.
1722         (get_constraint_for): See if we have an old heapvar
1723         to reuse.
1724         (init_alias_heapvars): New function.
1725         (delete_alias_heapvars): Ditto.
1726         Add include of gt-tree-ssa-structalias.h.
1727
1728 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1729
1730         PR middle-end/22127
1731         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1732
1733 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1734
1735         * tree.c (int_fits_type_p): Only look at the base type
1736         if it has the same precision as the original type.
1737
1738 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR other/4372
1741         * varasm.c (assemble_alias): Use %q+D in the error
1742         message instead of %J and %qD.
1743
1744 2005-11-10  Richard Guenther  <rguenther@suse.de>
1745
1746         * gcse.c (free_ldst_entry): Only free hashtable if
1747         it exists.
1748
1749 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1750
1751         * function.c (assign_stack_local_1): Issue an error message if
1752         the frame size overflows in the signed target arithmetics.
1753
1754 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1755
1756         * tree.c (build_qualified_type): Chain the new type to the original
1757         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1758         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1759         (build_pointer_type_for_mode): Only return unqualified types.
1760         (build_reference_type_for_mode): Likewise.
1761
1762 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
1763
1764         * Makefile.in (gnucompare): Do comparison of all files using one of
1765         the chosen methods and only afterwards decide if just warning should
1766         be issued or comparison failure raised.
1767
1768 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1769
1770         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1771         (noce_try_abs): Negate if the comparison is reversed.
1772         Look only one instruction backwards for a REG_EQUAL note.
1773
1774 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1775
1776         PR other/4372
1777         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1778         gthr-tpf.h: Define __gthrw.  For all identifiers that might
1779         be weak, introduce weakrefs or non-weak aliases with __gthrw,
1780         and prefix all uses with __ghtrw.
1781
1782 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
1783
1784         PR other/4372
1785         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1786         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
1787         * c-common.c (handle_weakref_attribute): New.
1788         (c_common_attribute_table): Add weakref.
1789         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1790         in the assembler.
1791         * configure, config.in: Rebuilt.
1792         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1793         * doc/extend.texi: Document weakref attribute.
1794         * varasm.c (ultimate_transparent_alias_target): New
1795         (assemble_name): Use it.
1796         (weak_finish_1): Split out of...
1797         (weak_finish): ... and deal with weakrefs in...
1798         (weakref_targets): ... new list.
1799         (globalize_decl): Clean up weakref_targets.
1800         (do_assemble_alias): Handle weakrefs.
1801         (finish_aliases_1): Do not reject weakrefs to external symbols.
1802         (assemble_alias): Handle weakrefs.
1803
1804 2005-11-09  Richard Guenther  <rguenther@suse.de>
1805
1806         PR tree-optimization/24716
1807         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1808         t_bool to track results from follow_ssa_edge.
1809
1810 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1811
1812         * final.c (force_source_line): New global variable.
1813         (final_scan_insn): Set it to true instead of clearing last_filename.
1814         (notice_source_line): Return true if force_source_line is true,
1815         unless source info is absent.
1816
1817 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
1818
1819         PR c/24644
1820         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1821         a linkage name for a variable if it a register variable.
1822         * c-decl.c (grokdeclarator): Global register variables
1823         should be set as PUBLIC.
1824
1825 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1826
1827         PR 24624
1828         * config/s390/s390.c (struct s390_frame_layout): New fields
1829         first_save_gpr_slot and last_save_gpr_slot.
1830         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1831         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1832         first_save_gpr and last_save_gpr with the _slot variants.
1833         (s390_register_info): Calculate first_save_gpr_slot and
1834         last_save_gpr_slot using regs_ever_live.
1835
1836 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1837
1838         PR 24623
1839         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1840         for a function containing a landing pad.
1841
1842 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1843
1844         PR 24034
1845         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1846         is live afterwards.
1847
1848 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
1849
1850         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1851         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1852
1853 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
1854
1855         Add ms2 support
1856         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1857         constants.
1858         (call,load,store): New insn types.
1859         (mem_access, branch_access): Adjust reservation conditions.
1860         (define_delay): Adjust condition.
1861         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
1862         type.
1863         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1864         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1865         insn type.
1866         (call_internal, call_value_internal, return_internal,
1867         return_interrupt_internal, eh_return_internal, indirect_jump,
1868         tablejump): Set call insn type.
1869         (blockage, ei, di): Use appropriate unspec const.
1870         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1871         (ms1_get_attr_type): Adjust to give load & store types.
1872         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
1873         backwards past a barrier.
1874         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
1875         branch scheduling.
1876         (struct branch_info, struct label_info): New.
1877         (ms1_labels): New.
1878         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1879         (ms1_machine_reorg): New.
1880         (TARGET_MACHINE_DEPENDENT_REORG): Override.
1881         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1882         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1883         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1884         (TARGET_MS2): New.
1885
1886 2005-11-09  Per Bothner  <per@bothner.com>
1887             Uros Bizjak  <uros@kss-loka.si>
1888
1889         PR c/24101
1890         * toplev.c (process_options): Initialize debug_hooks early
1891         in case lang_hooks.post_options ends up calling a debug_hook.
1892
1893 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
1894
1895         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1896         DBX_REGISTER_NUMBER being contiguous.
1897
1898 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
1899             Diego Novillo  <dnovillo@redhat.com>
1900
1901         PR 23046
1902         * tree-vrp.c (register_edge_assert_for): Do not register
1903         always-false predicates.
1904
1905 2005-11-08  Devang Patel <dpatel@apple.com>
1906
1907         PR tree-optimization/23115
1908         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1909         relation.
1910
1911 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
1912
1913         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1914         -mcpu=440.
1915
1916 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
1917
1918         Fix PR tree-optimization/23382
1919
1920         * tree-ssa-alias.c (compute_may_aliases): Call
1921         delete_old_heap_vars.
1922         * tree-dfa.c (referenced_var_remove): New function.
1923         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1924         * tree-flow.h (referenced_var_remove): Add prototype.
1925         (delete_old_heap_vars): Ditto.
1926         * tree-ssa-structalias.c (heapvars): New variable.
1927         (oldheapvars): Ditto.
1928         (get_constraint_for): Put heap vars on heapvars list.
1929         (delete_old_heap_vars): New function.
1930
1931 2005-11-08  Jason Merrill  <jason@redhat.com>
1932
1933         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1934
1935 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
1936
1937         PR target/19340
1938         * reg-stack.c (reg_to_stack): Update register liveness also
1939         for flag_sched2_use_traces.
1940
1941 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
1942
1943         PR target/23704
1944         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1945         override prior explicit -mno-powerpc-gfxopt.
1946
1947 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
1948
1949         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1950         if the bitsize is zero.
1951         * doc/md.texi (Standard Pattern Names): Document it.
1952
1953         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1954         (TARGET_PASS_BY_REFERENCE): Likewise.
1955
1956 2005-11-07  Ian Lance Taylor  <ian@airs.com>
1957
1958         PR rtl-optimization/24683
1959         * config/i386/i386.c (legitimize_pic_address): If constant operand
1960         to PLUS is too large, put it in a register.
1961
1962 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
1963
1964         * configure.ac: Enable checking assembler dwarf2 support for bfin
1965         target.
1966         * configure: Regenerate.
1967
1968 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1969
1970         PR target/24230
1971
1972         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1973         gen_easy_vector_constant_add_self): Delete.
1974         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1975         New.
1976         (output_vec_const_move): Use gen_easy_altivec_constant.
1977         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1978         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1979         (easy_vector_constant_add_self): Rewritten.
1980         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1981         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1982         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1983         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1984         Macroize and adjust for the other changes.
1985
1986 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1987
1988         PR c/24599
1989
1990         * c-typeck.c (build_c_cast): Try using a shared constant, and see
1991         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1992
1993 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
1994
1995         PR rtl-optimization/23567
1996         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1997         (noce_process_if_block): Don't do any optimizations except
1998         if (cond) x = x; if !set_b and write into orig_x may trap
1999         or fault.  Remove the MEM_READONLY_P check.
2000
2001 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
2002
2003         PR 24670
2004         * tree-vrp.c (fix_equivalence_set): New.
2005         (extract_range_from_assert): Call it.
2006
2007 2005-11-05  Ian Lance Taylor  <ian@airs.com>
2008
2009         PR target/22432
2010         * combine.c (apply_distributive_law): Don't distribute across a
2011         vector mode subreg.
2012
2013 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
2014
2015         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2016         config/ms1/ms1.h, config/rs6000/predicates.md,
2017         config/s390/s390.c, params.def, postreload-gcse.c,
2018         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2019         tree-vrp.c, tree.c: Fix comment typos.
2020         * doc/invoke.texi: Fix typos.
2021
2022 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
2023
2024         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2025         for testing whether the data_dependence_relation contains distance
2026         vectors.  Iterate over all distance vectors of the ddr.
2027         * lambda.h: Define a vec of lambda_vector pointers.
2028         * tree-data-ref.c (dump_data_dependence_relation,
2029         dump_data_dependence_direction): Iterate over all distance and
2030         direction vectors of the ddr.
2031         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2032         DDR_DIST_VECTS.
2033         (build_classic_dist_vector, build_classic_dir_vector): Push a set
2034         of distance/direction vectors instead of a single one.
2035         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2036         lambda_vectors with a vec of lambda_vectors.
2037         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2038         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2039         DDR_NUM_DIST_VECTS): New.
2040         * tree-loop-linear.c (gather_interchange_stats): Test for the
2041         existence of distance vectors only after having checked that there
2042         is a dependence.  Iterate over all distance vectors of the ddr.
2043         (linear_transform_loops): Use dump_data_dependence_relation.
2044         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2045         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
2046         distance vectors of the ddr.
2047
2048 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2049
2050         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2051         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2052         IS_INTHANDLER; all callers changed.
2053         (n_regs_saved_by_prologue): Take interrupt handler attributes into
2054         account.
2055         (do_link, do_unlink): New argument ALL; all callers changed.
2056         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2057         If function isn't leaf, save and restore all registers.
2058         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2059         exception handler.
2060
2061 2005-11-05  Jan Hubicka  <jh@suse.cz>
2062
2063         PR rtl-optimization/23490
2064         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2065         max-flow-memory-location): Document.
2066         * flow.c: Include params.h
2067         (MAX_MEM_SET_LIST_LEN): Kill.
2068         (add_to_mem_set_list): Use new param.
2069         * cse.c (cse_basic_block): Replace 1000 by new param.
2070         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2071         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2072         * predict.c (predict_loops): Use new param.
2073         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2074
2075         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2076         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2077         Do not hold memory returned by cgraph_node_name across other call.
2078
2079 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
2080
2081         PR target/23424
2082         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2083         Disable.
2084
2085 2005-11-04  Jeff Law  <law@redhat.com>
2086
2087         PR/21883
2088         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2089         * tree-ssa-dom.c: Include params.h.
2090         (thread_across_edge): If there are too many statements in the
2091         target block, then do not thread through it.
2092         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2093         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2094
2095 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
2096
2097         PR 24627
2098         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2099         TODO_update_ssa instead of TODO_update_ssa_no_phi.
2100
2101 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
2102
2103         PR/18595
2104         * tree-scalar-evolution.c (instantiate_parameters_1,
2105         instantiate_parameters, resolve_mixers): Compute the size of an
2106         expression to be instantiated and give up the instantiation if the
2107         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2108
2109 2005-11-04  Richard Guenther  <rguenther@suse.de>
2110
2111         * tree-flow.h (ref_contains_indirect_ref): Rename to
2112         array_ref_contains_indirect_ref.
2113         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2114         (array_ref_contains_indirect_ref): Make comment match the code
2115         and vice-versa.
2116         (ref_contains_array_ref): Likewise.
2117         * tree-ssa-structalias.c (find_func_aliases): Remove call to
2118         ref_contains_indirect_ref.
2119         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2120         Rename calls to ref_contains_indirect_ref.
2121
2122 2005-11-04 Paul Brook  <paul@codesourcery.com>
2123
2124         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2125         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2126         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2127         * config/arm/arm.md: Use match_operand in peephole input templates
2128         and match_dup in peephole output templates.
2129
2130 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
2131
2132         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2133         __aeabi_uidiv.
2134
2135 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
2136             Daniel Jacobowitz  <dan@codesourcery.com>
2137
2138         * longlong.h (add_ssaaaa): Clobber condition code register
2139         in ARM version.
2140         (sub_ddmmss): Likewise.
2141         (umul_ppmm): Likewise.
2142
2143 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
2144             Paul Brook  <paul@codesourcery.com>
2145             Phil Blundell  <pb@reciva.com>
2146
2147         * configure.ac: Add test for ARM TLS support.
2148         * configure: Regenerated.
2149         * config/arm/arm-protos.h (legitimize_tls_address)
2150         (arm_tls_referenced_p, tls_mentioned_p)
2151         (arm_output_addr_const_extra): New prototypes.
2152         (thumb_legitimize_pic_address): Delete.
2153         * config/arm/arm.c: Include "gt-arm.h".
2154         (enum tls_reloc): New.
2155         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2156         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2157         (arm_call_tls_get_addr, legitimize_tls_address)
2158         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2159         (arm_init_tls_builtins, arm_emit_tls_decoration)
2160         (arm_output_addr_const_extra): New functions.
2161         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2162         (TARGET_HAVE_TLS): Define.
2163         (target_thread_pointer): New.
2164         (arm_override_options): Handle -mtp=.
2165         (legitimize_pic_address): Ignore UNSPECs.
2166         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2167         relative symbols.
2168         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2169         (tls_get_addr_libfunc): New variable.
2170         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2171         (arm_init_builtins): Call arm_init_tls_builtins.
2172         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2173         (arm_encode_section_info): Call default_encode_section_info.
2174         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2175         (enum arm_tp_type): New.
2176         (target_thread_pointer): Add declaration.
2177         (LEGITIMATE_CONSTANT_P): Handle TLS.
2178         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2179         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2180         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2181         * config/arm/arm.md: Add UNSPEC_TLS.
2182         (movsi): Handle TLS.
2183         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2184         non-PIC.
2185         (tls_load_dot_plus_eight): New insn and a peephole to create it.
2186         (load_tp_hard, load_tp_soft): New insns.
2187         * arm.opt: Add -mtp=.
2188         * doc/invoke.texi (ARM Options): Document -mtp.
2189
2190 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
2191
2192         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2193         * config/arm/libunwind.S: Include "lib1funcs.asm".
2194         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2195         (LIB2ADDEH): Add libunwind.S.
2196         (LIB2ADDEHDEP): Add lib1funcs.asm.
2197         * mklibgcc.in: Handle asm files in libgcc_eh.a.
2198
2199 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2200
2201         PR fortran/18452
2202         * gcc/c.opt: Add a -lang-fortran option.
2203         * gcc/c-opts.c: Add a lang_fortran flag.
2204         (c_common_init_options): Handling the -lang-fortran option.
2205         (c_common_handle_option): Add a case for Fortran options in
2206         preprocessing. Remove cases for -ffixed-form and
2207         -ffixed-line-length. Add a case for -lang-fortran.
2208
2209 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
2210
2211         * config/rs6000/rs6000.c: Include params.h
2212         (optimization_options): Set max-grow-copy-bb-insns default to 16.
2213         (bdesc_2arg): Delete vpkuhss and vpkuwss.
2214         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2215         (UNSPEC_VPKUWSS): Delete.
2216         (altivec_vpkuhss): Delete.
2217         (altivec_vpkuwss): Delete.
2218         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2219         final condition.
2220         (neg_eq0<mode>): Remove final condition.
2221         (neg_eq<mode>): Remove condition and split-condition.
2222
2223 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
2224
2225         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2226         Use associated print macros.
2227
2228 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
2229
2230         PR c++/17964
2231         * diagnostic.c (diagnostic_set_info_translated): New function.
2232         (diagnostic_set_info): Use it.  Add comment.
2233         * diagnostic.h (diagnostic_set_info_translated): Declare.
2234
2235 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
2236
2237         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2238         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2239         reference only if 'public' is true.
2240         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2241         emit the .hidden directive only if the indirect reference is public.
2242         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2243         Pass it to dw2_force_const_mem.
2244         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2245         * dwarf2out.c (output_cfi): Adjust calls to above function.
2246         (output_call_frame_info): Likewise.
2247         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2248         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2249
2250 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
2251
2252         PR tree-optimization/24483
2253         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2254         field to elts if possible.
2255
2256 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
2257
2258         PR middle-end/23155
2259         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2260         CONSTRUCTOR.
2261
2262 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
2263
2264         Fix PR tree-optimization/24351
2265
2266         * tree-ssa-structalias.c (struct variable_info): Add
2267         collapsed_into.
2268         (get_varinfo_fc): New function to follow collapsing.
2269         (new_var_info): Set collapsed_to to NULL.
2270         (dump_constraint): Follow collapsing.
2271         (build_constraint_graph): Handle collapsing.
2272         (do_simple_structure_copy): Return false if something bad
2273         happened.
2274         (collapse_rest_of_var): New function.
2275         (do_structure_copy): Collapse if do_simple_structure_copy returns
2276         false.
2277
2278 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
2279
2280         PR middle-end/24589
2281         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2282         expressions to a statement list instead of gimplifying them.
2283
2284 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2285
2286         PR rtl-optimization/23585
2287         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2288         that can't trap plus a constant integer, if the mode has zero size.
2289
2290 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
2291
2292         PR target/24620
2293         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2294         as operand 2.
2295         ("*insv<mode>_reg_extimm"): Likewise.
2296
2297 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
2298
2299         PR c/24329
2300         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2301         c_common_type_for_mode returns an unnamed type.
2302
2303 2005-11-02  Richard Henderson  <rth@redhat.com>
2304
2305         PR target/9350
2306         PR target/24374
2307         * dwarf2out.c (dwarf2out_reg_save_reg): New.
2308         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2309         * function.c (assign_parms): Use calls.internal_arg_pointer.
2310         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2311         code.
2312         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2313         (TARGET_CALLS): Add it.
2314         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2315         * targhooks.c (default_internal_arg_pointer): New.
2316         * targhooks.h (default_internal_arg_pointer): Declare.
2317         * tree.h (dwarf2out_reg_save_reg): Declare.
2318         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2319         * config/i386/i386.c (dbx_register_map): Add return column.
2320         (dbx64_register_map, svr4_dbx_register_map): Likewise.
2321         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2322         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2323         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2324         (ix86_save_reg): Save force_align_arg_pointer.
2325         (ix86_emit_save_regs): Make regno unsigned.
2326         (ix86_emit_save_regs_using_mov): Likewise.
2327         (ix86_expand_prologue): Handle force_align_arg_pointer.
2328         (ix86_expand_epilogue): Likewise.
2329         * config/i386/i386.h: (dbx_register_map): Update.
2330         (dbx64_register_map, svr4_dbx_register_map): Update.
2331         (struct machine_function): Add force_align_arg_pointer.
2332         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2333         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2334         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2335
2336 2005-11-02  Jan Hubicka  <jh@suse.cz>
2337
2338         PR target/23303
2339         * i386.md: Add peep2 for simplyfing array accesses.
2340
2341 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
2342
2343         PR target/24615
2344         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2345         * config/s390/s390.c (s390_decompose_shift_count): New function.
2346         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2347         (print_shift_count_operand): Use s390_decompose_shift_count.
2348         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2349         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
2350
2351 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
2352
2353         PR target/24600
2354         * loop.c (loop_givs_rescan): Use force_operand to expand
2355         complex GIVs.
2356
2357 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
2358
2359         PR 22429
2360         * fold-const.c (build_range_check): Use unsigned when signed
2361         overflow is undefined also.  If etype is subtype, make sure that
2362         the subtraction is in the supertype.
2363
2364 2005-11-02  Richard Henderson  <rth@redhat.com>
2365
2366         PR target/24178
2367         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2368         by MEM_ALIGN.
2369
2370 2005-11-01  Richard Henderson  <rth@redhat.com>
2371
2372         PR 21518
2373         * loop.c (scan_loop): Do not propagate computations to a hard
2374         register destination with SMALL_REGISTER_CLASSES.
2375
2376 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
2377
2378         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2379         costs for MULT inside PLUS or MINUS.
2380
2381 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
2382
2383         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2384         (TRAMPOLINE_SIZE): Round up to 60.
2385         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2386
2387 2005-10-31  James E. Wilson  <wilson@specifix.com>
2388
2389         PR debug/24444
2390         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2391         ifdef.  Put ifdefs around call in gen_subprogram_die.
2392         (compute_frame_pointer_to_cfa_displacement): Likewise.
2393         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2394         not defined.
2395
2396         PR rtl-optimization/17356
2397         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
2398         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2399
2400 2005-10-31  Jan Hubicka  <jh@suse.cz>
2401
2402         PR middle-end/24093
2403         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2404
2405         PR target/20928
2406         * i386.c (legitimize_pic_address): Deal with large immediates.
2407
2408         PR profile/20815
2409         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2410         from symbol names while computing checkup.
2411
2412         PR profile/24487
2413         * predict.c (predict_loops): Do not estimate more than
2414         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2415         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2416
2417 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
2418
2419         PR tree-optimization/19097
2420         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2421
2422 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
2423
2424         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2425
2426 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
2427
2428         PR middle-end/23492
2429         * tree-inline.c (setup_one_parameter): If the init_stmt
2430         is NULL, don't insert the statement.
2431
2432 2005-10-30  Jan Hubicka  <jh@suse.cz>
2433
2434         PR tree-optimization/24172
2435         * tree-inline.c (copy_body_r): Unshare the substituted value first.
2436
2437 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
2438
2439         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2440         constants for hosts with long != 32 bits.
2441
2442 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
2443
2444         PR middle-end/24093
2445         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2446
2447 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
2448
2449         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2450         (TARGET_MS1_16_002): New.
2451         (TARGET_MS1_16_003): New.
2452
2453         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2454         ("*decrement_and_branch_until_zero_no_clobber"): New.
2455         Add corresponding splitter for decrement_and_branch_until_zero
2456         instruction.
2457         Key all decrement_and_branch_until_zero patterns off of
2458         TARGET_MS1_16_003.
2459
2460 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
2461
2462         PR middle-end/24362
2463         * tree-complex.c (extract_component): Treat RESULT_DECL
2464         like the rest of the decls.
2465
2466 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
2467
2468         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2469         indirect call to _mcount if the function needs a static chain.
2470
2471 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
2472             Caroline Tice  <ctice@apple.com>
2473
2474         PR rtl-optimization/24460
2475         * dwarf2out.c (have_switched_text_sections): New boolean variable.
2476         (dwarf2out_switch_text_section): Set it to true instead of
2477         incrementing separate_line_info_table_in_use.
2478         (output_loc_list): Additionally test have_switched_text_sections.
2479         (output_ranges): Likewise.
2480         (dwarf2out_finish): Likewise.
2481         * varasm.c (assemble_start_function): Do not call
2482         insert_section_boundary_note.
2483         (assemble_end_function): If flag_reorder_blocks_and_partition,
2484         switch to the function's section before emitting the .size directive.
2485         * bb-reorder.c (insert_section_boundary_note): Staticify.
2486         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2487         * output.h (insert_section_boundary_note): Delete.
2488
2489 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
2490
2491         PR c/23103
2492         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2493         instead of pointer equality when comparing types.
2494
2495 2005-10-24  James E. Wilson  <wilson@specifix.com>
2496
2497         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2498         add_dependence_list_and_free calls.
2499
2500 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2501
2502         * contrib.texi: Add the names of the LLNL folks who donated
2503         Cray pointer support for gfortran.
2504
2505 2005-10-24  Steven Bosscher  <stevenb@suse.de>
2506
2507         PR tree-optimization/24225
2508         * profile.c (branch_prob): Look from end to start through a
2509         basic block when looking for a locus.
2510
2511 2005-10-24  Richard Henderson  <rth@redhat.com>
2512
2513         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2514         parallel.
2515         (hppa_expand_prologue): Likewise.
2516
2517 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2518
2519         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2520         (NO_DEFERRED_PROFILE_COUNTERS): Define.
2521         * pa.h (NO_PROFILE_COUNTERS): Define.
2522         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2523         (funcdef_nos): New vector to hold label numbers of deferred profile
2524         counters.
2525         (output_deferred_profile_counters): New function.
2526         (hppa_profile_hook): Push label number onto funcdef_nos.
2527         (pa_hpux_file_end): Call output_deferred_profile_counters if
2528         NO_DEFERRED_PROFILE_COUNTERS is false.
2529
2530         * pa-protos.h (get_deferred_plabel): New prototype.
2531         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
2532         Make global.
2533         (output_call): Adjust calls.
2534
2535 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
2536
2537         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2538         peculiarity of GOT/TOC section usage.
2539
2540 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
2541
2542         PR objc/24435
2543          * c-common.c (constant_string_class_name): Add documentation.
2544
2545 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
2546
2547         PR target/23832
2548         * recog.c (peephole2_optimize): Increment peep2_current_count
2549         only when the slot is empty.
2550
2551 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2552
2553         PR ada/23957
2554         * except.c (output_function_exception_table): Call
2555         assemble_external_libcall if we need a personality function.
2556
2557 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2558
2559         PR rtl-optimization/24460
2560         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2561         set the basic block for barriers.
2562
2563 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
2564
2565         * var-tracking.c (vt_initialize): Initialize post.
2566
2567 2005-10-21  Devang Patel  <dpatel@apple.com>
2568
2569         PR/24220
2570         * c-common.c (vector_types_convertible_p): Check vector element type.
2571
2572 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2573
2574         * config/sh/sh.c (prepare_move_operands): Handle the address
2575         constant which is a tls symbolic address plus a constant.
2576
2577 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
2578
2579         PR driver/24473
2580         * gcc.c (main): Use the correct counter for erroring out
2581         about mulitple files.
2582
2583 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
2584
2585         PR target/24465
2586         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2587         use r2 for 64-bit tls .got access.
2588
2589 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
2590
2591         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2592         TRUTH_OR_EXPR.
2593
2594 2005-10-20  Steven Bosscher  <stevenb@suse.de>
2595
2596         PR tree-optimization/24307
2597         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2598
2599 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
2600
2601         PR middle-end/24295
2602         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2603         alias targets.
2604         * varasm.c (find_decl_and_mark_needed): After cgraph global info
2605         is ready, stop marking functions, but still mark variables.
2606
2607 2005-10-20  Richard Guenther  <rguenther@suse.de>
2608
2609         PR c++/24439
2610         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2611         void type operands.
2612
2613 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
2614
2615         PR rtl-optimization/23585
2616         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2617         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
2618         (may_trap_p_1): New predicate extracted from...
2619         (may_trap_p): ... here.  Invoke may_trap_p_1.
2620         (may_trap_or_fault_p): New predicate.
2621         * rtl.h (may_trap_or_fault_p): Declare it.
2622         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2623         instead of may_trap_p.
2624         (steal_delay_list_from_fallthrough): Likewise.
2625         (fill_simple_delay_slots): Likewise.
2626         (fill_slots_from_thread): Likewise.
2627         * function.c (pad_to_arg_alignment): Rework comment about
2628         SPARC_STACK_BOUNDARY_HACK.
2629         * config/sparc/sparc.h: Likewise.
2630
2631 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
2632
2633         * config/s390/s390.c (s390_expand_insv): New.
2634         * config/s390/s390-protos.h (s390_expand_insv): Declare.
2635         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2636         ("icm_hi"): Remove mode attribute.
2637         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2638         Adjust all uses.
2639         ("*extracthi", "*extractqi"): Remove.
2640         (extv<mode>", "*extzv<mode>"): New.
2641         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2642         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2643
2644 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2645
2646         * cfgexpand.c (discover_nonconstant_array_refs_r,
2647         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2648         (tree_expand_cfg): Call discover_nonconstant_array_refs.
2649         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2650         discover_nonconstant_array_refs.
2651
2652 2005-10-19  Steven Bosscher  <stevenb@suse.de>
2653
2654         PR c/23228
2655         * c-decl.c (pop_scope): Don't warn about an unused variable
2656         if it is marked with TREE_NO_WARNING.
2657         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2658         somenow mismatch and olddecl is to be replaced.
2659
2660 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
2661
2662         PR middle-end/23199
2663         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2664         whether registers live on the edge can be saved/restored.
2665
2666 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2667
2668         * config/sh/sh.c (fixup_mova): Skip notes.
2669
2670 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2671
2672         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2673         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2674         (s390_can_eliminate): Handle BASE_REGNUM elimination.
2675         (s390_initial_elimination_offset): Likewise.
2676         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2677         register on TARGET_ZARCH targets.
2678         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2679         (INITIAL_FRAME_POINTER_OFFSET): Remove.
2680         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2681         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2682
2683 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2684
2685         * config/s390/s390.md: Comment describing output modifiers updated.
2686         * config/s390/s390.c (print_operand): Likewise.
2687
2688 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2689
2690         * config/s390/s390.c (override_options): Added check for -mstack-size
2691         64k limitation.
2692         * doc/invoke.texi: Mention that limit in the documenation.
2693
2694 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
2695
2696         PR #19672
2697         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2698
2699 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
2700
2701         Fix PR tree-optimization/24231
2702
2703         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2704         (compute_avail): Ditto.
2705
2706 2005-10-18  Richard Henderson  <rth@redhat.com>
2707
2708         PR target/24428
2709         * config/i386/i386.c (legitimate_constant_p): Check
2710         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
2711         if LABEL_REF.
2712         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2713         (legitimate_pic_address_disp_p): Reorg CONST checking to make
2714         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
2715         directly.
2716         (print_operand_address): Likewise.
2717         * config/i386/predicates.md (x86_64_immediate_operand): Test
2718         SYMBOL_REF_TLS_MODEL properly inside CONST.
2719         (x86_64_zext_immediate_operand): Likewise.
2720         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2721         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2722         * config/i386/i386-protos.h: Remove predicates.md entries.
2723
2724 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
2725
2726         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2727         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2728
2729 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
2730             Ian Lance Taylor <ian@airs.com>
2731
2732         PR middle-end/23522
2733         * fold-const.c (fold_widened_comparison): Do not allow range based
2734         constant folding when right operand cannot be unwidened.
2735
2736 2005-10-17  Richard Henderson  <rth@redhat.com>
2737
2738         * builtins.c (expand_builtin_synchronize): Build a new-style asm
2739         with a memory clobber.
2740
2741 2005-10-17  James E Wilson  <wilson@specifix.com>
2742
2743         PR rtl-optimization/17356
2744         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2745         checking for EDGE_EH.
2746
2747 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2748
2749         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2750         the slot on an even boundary for any type with 16-byte alignment.
2751
2752 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
2753
2754         PR target/23424
2755         * md.texi (Modifiers) <%>: Clarify that % doesn't work
2756         after register allocation.
2757
2758 2005-10-17  DJ Delorie  <dj@redhat.com>
2759
2760         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2761         as frame related.
2762
2763 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
2764
2765         PR c++/22551
2766         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2767         overflow flags.
2768
2769 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
2770
2771         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2772         to 2 if it's already non-zero.
2773         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2774         is set and warn about it if flag_schedule_insns is 1.
2775
2776 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
2777
2778         * config/crx/crx.md: Compare-and-branch instructions need to
2779         invalidate CC.
2780
2781 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
2782
2783         PR target/24315
2784         * config/i386/i386.md (*pushdi2_rex64 splitter)
2785         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2786         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2787         flow2 pass only when (optimize > 0 && flag_peephole2).
2788
2789 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
2790
2791         PR driver/22544
2792         * gcc.c (have_c): New static variable.
2793         (have_o): Likewise.
2794         (process_command): Remove declation of have_c.
2795         Set have_o to 1 when handling -o.
2796         (main): Add a fatel error if there are multiple
2797         files specified and -o and -c/-S is passed witout
2798         -combine or multiple languages.
2799
2800 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
2801
2802         Fix PR tree-optimization/22444
2803         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2804         Assert that we don't hit something with subvars.
2805         (setup_pointers_and_addressables): Don't add things with subvars,
2806         because we'll already process the subvars for aliasing purposes.
2807
2808 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
2809
2810         PR target/23424
2811         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2812         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2813         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2814         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2815         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2816         swapped, alternatives for the R constraint.
2817
2818         PR middle-end/24341
2819         * builtins.c (get_builtin_sync_mode): Make unlimited
2820         mode_for_size request.
2821
2822 2005-10-15  Richard Henderson  <rth@redhat.com>
2823
2824         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2825         (gimplify_expr): ... here.
2826         (gimplify_compound_lval): Use it in initial scan loop.  Allow
2827         fb_lvalue in base expression.
2828
2829 2005-10-15  Richard Henderson  <rth@redhat.com>
2830
2831         PR 23714
2832         * builtins.c (expand_builtin_trap): Export.
2833         * expr.h (expand_builtin_trap): Declare.
2834         * expr.c (expand_assignment): Emit a trap for integral offsets
2835         from registers that weren't reduced to bitpos.
2836
2837         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2838         (mark_array_ref_addressable): Remove.
2839         * tree-flow.h (mark_array_ref_addressable): Remove.
2840         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2841
2842 2005-10-15  James E Wilson  <wilson@specifix.com>
2843
2844         PR target/24232
2845         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
2846         (add_dependence_list_and_free): Likewise.
2847         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2848         call.
2849
2850 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
2851
2852         PR 23141
2853         PR 23142
2854         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2855         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2856         anti-range.
2857         (vrp_visit_phi_node): Only prevent infinite iterations when
2858         the previous result and the new result are both VR_RANGEs.
2859
2860 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
2861
2862         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2863         function comment.
2864
2865 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2866
2867         PR c/23439
2868         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2869         to initialize loc.
2870
2871 2005-10-14  Per Bothner  <per@bothner.com>
2872
2873         PR preprocessor/21250
2874         * c-ppoutput.c (print_line): Print internal line 0 as 1.
2875
2876 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
2877
2878         PR c++/22551
2879         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2880         overflow flags.  Refactor some conditionals.
2881
2882 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
2883
2884         PR tree-opt/21304
2885         * tree-dfa.c (add_referenced_var): Only look at decls which
2886         have TREE_CONSTANT or TREE_READONLY set instead of if
2887         !TREE_PUBLIC or !TREE_CONSTANT.
2888
2889 2005-10-13  James E Wilson  <wilson@specifix.com>
2890
2891         * doc/invoke.texi: For -x, add f95-cpp-input.
2892         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2893
2894 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
2895
2896         PR tree-optimization/24262
2897         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2898         in loop all the time.
2899
2900 2005-10-12  Richard Henderson  <rth@redhat.com>
2901
2902         PR c/24255
2903         * tree.h (DECL_TRANSPARENT_UNION): Remove.
2904         * function.c (assign_parm_find_data_types): Don't support it.
2905         * print-tree.c (print_node): Likewise.
2906         * c-common.c (handle_transparent_union_attribute): Likewise.
2907         Use build_duplicate_type.
2908         * tree-inline.c (remap_type_1): Split out of remap_type;
2909         properly remap aggregate fields.
2910         (build_duplicate_type): New.
2911         * doc/extend.texi (Variable Attributes): Remove documentation
2912         for transparent_union.
2913
2914 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2915
2916         PR target/24284
2917         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2918         (gen_stack_pointer_dec): Likewise.
2919
2920 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
2921
2922         PR middle-end/21275
2923         PR middle-end/21766
2924         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2925         target hook.
2926         (struct cxx): Add adjust_class_at_definition target hook.
2927         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2928         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2929         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2930         hook_void_tree. Add to TARGET_CXX.
2931         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2932         dllimport_flag.
2933         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2934         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2935         instead of attribute. Check for dllexport override.  Warn if
2936         inconsistent dll linkage. Don't lose old dllimport if decl has
2937         had address referenced.   Tweak lookup of dllimport atribute.
2938         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2939         for target specific rules.  Don't add dllimport attribute if
2940         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
2941         dllimport attribute.
2942         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2943         * varasm.c (initializer_constant_valid_p): Replace
2944         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2945
2946         PR target/21801
2947         PR target/23589
2948         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2949         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2950         (i[34567]86-*-mingw32*): Likewise.
2951
2952         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2953         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2954
2955         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2956         C++-specific code. Change return value to bool.
2957         (i386_pe_dllimport_p): Likewise.
2958         (associated_type): Simplify and make language-independent
2959         (i386_pe_encode_section_info): Replace override of ambiguous
2960         dllimport symbol refs with a gcc_assert.
2961         (i386_pe_valid_dllimport_attribute_p): Define.
2962         * config/i386/winnt-cxx.c: New file. Define C++ versions of
2963         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2964         i386_pe_adjust_class_at_definition.
2965         * config/i386/winnt-stubs.c: New file. Define stub versions of
2966         lang-specific functions.
2967         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2968         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2969         i386_pe_adjust_class_at_definition.
2970         (i386_pe_valid_dllimport_attribute_p): Declare.
2971         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2972         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2973         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2974
2975         PR target/19704
2976         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2977         dllimport attribute with test of DECL_DLLIMPORT_P.
2978
2979 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
2980
2981         * combine.c (make_extraction): Correct offset computation.
2982
2983 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
2984
2985         * config/cris/t-linux (LIMITS_H_TEST): Define.
2986
2987 2005-10-12  Richard Henderson  <rth@redhat.com>
2988
2989         PR rtl-opt/23324
2990         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2991
2992 2005-10-12  Richard Guenther  <rguenther@suse.de>
2993
2994         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2995
2996 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
2997
2998         PR c++/19964
2999         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3000         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3001         type.
3002
3003 2005-10-12  Richard Guenther  <rguenther@suse.de>
3004
3005         PR c++/23799
3006         * varasm.c (output_constant): Correct typo from previous
3007         patch by DJ.
3008
3009 2005-10-11  Ian Lance Taylor  <ian@airs.com>
3010
3011         PR rtl-optimization/13931
3012         * combine.c: Revert patch of 2003-05-14, and:
3013         (try_combine): Only set elim_i1 and elim_i2 if the destination is
3014         completely killed in the appropriate insn.
3015         (distribute_notes): Don't skip multiple hard register test for
3016         elim_i1 and elim_i2.
3017
3018 2005-10-11  Richard Henderson  <rth@redhat.com>
3019
3020         PR c/24255
3021         * c-typeck.c (convert_for_assignment): Use build_constructor_single
3022         to initialize a transparent union instead of a nop_expr.
3023
3024 2005-10-11  Richard Henderson  <rth@redhat.com>
3025
3026         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3027         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3028         (tree_ssa_dce_loop): Call scev_reset.
3029
3030         PR tree-opt/24300
3031         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3032         * tree-ssa-dce.c: Include cfgloop.h.
3033         (tree_ssa_dce_loop, pass_dce_loop): New.
3034         * tree-pass.h (pass_dce_loop): Declare it.
3035         * passes.c (init_optimization_passes): Use it.
3036
3037 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
3038
3039         PR middle-end/24263
3040         * convert.c (convert_to_real): Revert 2005-10-05 patch.
3041         Only apply the optimization for rounding builtins if the inner
3042         cast is also an extension.
3043
3044 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
3045
3046         PR tree-opt/23946
3047         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3048         mark_new_vars_to_rename instead of update_stmt.
3049
3050 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3051
3052         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3053
3054 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
3055
3056         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3057         for setting MMX register to 0 rather than mmx.
3058
3059 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
3060
3061         PR target/12098
3062         * configure.ac: Move gas check from mips specific case to common case.
3063         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3064         * configure: Regenerate
3065         * doc/install.texi: Update.
3066
3067 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3068
3069         PR target/24284
3070         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3071
3072 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
3073
3074         * gcc.c (do_spec_1): Accept numeric characters in file name
3075         suffixes.
3076
3077 2005-10-10  Nick Clifton  <nickc@redhat.com>
3078
3079         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
3080         describing the deleted arm_gen_rotated_half_load function.
3081
3082 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3083
3084         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3085         __fpscr_values.
3086
3087 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
3088
3089         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3090         gnu_ld assignments.
3091         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3092         (EXTRA_MULTILIB_PARTS): Define.
3093         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3094         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3095         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3096         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3097         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3098         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3099
3100 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
3101
3102         PR tree-optimization/24226
3103         * tree-cfg.c (remove_bb): Clean up unreachable loops.
3104         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3105         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3106         Export.
3107
3108 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3109
3110         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3111
3112 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
3113
3114         PR target/24136
3115         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3116         Rewrite for no need for the early clobber.
3117
3118 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
3119
3120         Merge from csl-arm-branch:
3121         2005-09-07  Paul Brook  <paul@codesourcery.com>
3122         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3123         space to string.
3124
3125         2005-04-30  Paul Brook  <paul@codesourcery.com>
3126         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3127         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3128
3129         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
3130         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3131         (arm_override_options): Use TARGET_AAPCS_BASED.
3132         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3133         (PTRDIFF_TYPE): Use int for AAPCS.
3134         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3135         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3136         (DEFAULT_SHORT_ENUMS): Delete.
3137         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3138
3139         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
3140         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3141         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3142         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3143
3144         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
3145         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3146
3147         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
3148         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3149
3150         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
3151         * config.gcc (arm*-*-linux-gnueabi): Add it.
3152         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3153         redefining it.
3154         (TARGET_OS_CPP_BUILTINS): Likeiwse.
3155         * config/arm/linux-eabi.h: New file.
3156         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3157         (LINUX_TARET_LINK_SPEC): Likewise.
3158         (LINK_SPEC): Use it.
3159         * config/arm/t-linux-eabi: New file.
3160
3161 2005-10-08  Steven Bosscher  <stevenb@suse.de>
3162
3163         PR other/22202
3164         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3165         spaces.
3166         (PARAM_SMS_DFA_HISTORY): Likewise.
3167
3168 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
3169
3170         PR middle-end/23150
3171         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3172         (load_register_parameters): Call it.
3173         (check_sibcall_argument_overlap_1): Likewise.
3174         (store_one_arg): Likewise.
3175
3176 2005-10-07  James E. Wilson  <wilson@specifix.com>
3177
3178         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3179         DImode not VECINT24 for operand 2.
3180
3181         PR target/23644
3182         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3183         -mtune-arch.
3184
3185         PR target/24193
3186         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3187         fr_spill): Use destination_operand for operand 0.
3188
3189 2005-10-07  DJ Delorie  <dj@redhat.com>
3190
3191         * varasm.c (output_constant): Limit error to expanding
3192         conversions.
3193
3194 2005-10-07  Richard Guenther  <rguenther@suse.de>
3195
3196         PR middle-end/24227
3197         * fold-const.c (fold_binary): Fix operand types during folding
3198         of X op (A, Y).  Evaluation order of the side-effects of
3199         X and A are frontend-defined, so ensure we honour that even for
3200         tcc_comparison class operands; eased by removing duplicate code.
3201
3202 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
3203
3204         * stor-layout.c (layout_type): Do not allow alignment of array
3205         elements to be greater than their size.
3206
3207 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
3208
3209         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3210         host_xmake_file.
3211         (hppa*-*-linux*): Ditto.
3212         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3213         * config/host-hpux.c: New.
3214         * config/x-hpux: New.
3215         * config/pa/x-hpux: Remove.
3216         * config/pa/x-linux: Remove.
3217         * config/pa/pa-host.c: Remove.
3218
3219 2005-10-07  Jeff Law  <law@redhat.com>
3220
3221         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3222         determine whether or not to try and thread outgoing edges.
3223
3224 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
3225
3226         * config/rs6000/rs6000.md (eqsi_power): New.
3227         (neg_eq0si): Add TARGET_POWER to final condition.
3228         (neg_eqsi): Same.
3229
3230 2005-10-06  Richard Henderson  <rth@redhat.com>
3231
3232         * config/rs6000/rs6000.c: Revert last change.
3233
3234 2005-10-06  Richard Henderson  <rth@redhat.com>
3235
3236         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3237         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3238
3239 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
3240
3241         PR middle-end/22216
3242         PR middle-end/23651
3243         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3244         out return_label and naked_return_label.
3245
3246 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
3247
3248         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3249         change.
3250
3251 2005-10-06  Richard Henderson  <rth@redhat.com>
3252
3253         PR tree-opt/22237
3254         * tree-inline.c (declare_return_variable): Handle modify_dest not
3255         being a DECL.
3256
3257 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
3258
3259         Fix PR tree-optimization/22488
3260         * tree-ssa-structalias.c (check_for_overlaps): New function.
3261         (create_variable_info_for): Use it.
3262
3263 2005-10-06  Richard Henderson  <rth@redhat.com>
3264
3265         PR debug/24070
3266         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3267         (dwarf2out_start_source_file): Print it.
3268
3269 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
3270
3271         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3272
3273 2005-10-06  Richard Henderson  <rth@redhat.com>
3274
3275         PR 23706
3276         * mode-switching.c (optimize_mode_switching): Clear transp bit
3277         for block with incomming abnormal edges.
3278
3279         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3280         (fpscr_set_from_mem): Use them.
3281         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3282         (fpscr postinc splitters): Rewrite as peephole2+split.
3283
3284 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
3285
3286         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3287         (eq<mode>_compare): Same.
3288
3289 2005-10-06  Richard Guenther  <rguenther@suse.de>
3290
3291         PR tree-optimization/24238
3292         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3293
3294 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
3295
3296         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3297         here.  Use AC_PATH_PROG for environment variables instead of
3298         test -x.
3299         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
3300         objdump also.
3301         * configure: Regenerated.
3302
3303 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
3304
3305         PR target/23783
3306         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3307         then force it into a register.
3308         (call_value): Likewise.
3309
3310 2005-10-06  Richard Henderson  <rth@redhat.com>
3311
3312         PR 24049
3313         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3314         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
3315         under pass_vectorize.
3316
3317 2005-10-05  Devang Patel  <dpatel@apple.com>
3318
3319         PR Debug/23205
3320         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3321         handling constants. Check NAMESPACE_DECL context for constants.
3322
3323 2005-10-05  Eric Christopher  <echristo@apple.com>
3324
3325         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3326
3327 2005-10-05  Richard Henderson  <rth@redhat.com>
3328
3329         PR 23714
3330         * tree-cfg.c (mark_array_ref_addressable_1): New.
3331         (mark_array_ref_addressable): New.
3332         * tree-flow.h (mark_array_ref_addressable): Declare.
3333         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3334
3335 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
3336
3337         PR middle-end/20606
3338         PR middle-end/24069
3339         * reload.c (subst_reloads): When adding a REG_LABEL to a
3340         jump instruction, also update JUMP_LABEL.
3341
3342 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
3343
3344         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3345         * bb-reorder.c (copy_bb_p): Use it.
3346         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3347
3348 2005-10-05  Richard Henderson  <rth@redhat.com>
3349
3350         PR target/23602
3351         * toplev.c (process_options): Warn about unsupported combinations
3352         of unwind tables and omit-frame-pointer.
3353         * config/i386/i386.c (override_options): Similarly.  Enable
3354         accumulate-outgoing-args if not explicitly disabled.
3355
3356 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
3357
3358         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3359         Handle big endian vs. small endian.
3360         (vec_initv2sf): Handle big endian vs. small endian.
3361         (*vec_extractv2sf_1): Ditto.
3362
3363 2005-10-05  Dale Johannesen  <dalej@apple.com>
3364
3365         * convert.c (convert_to_real):  Don't convert
3366         (float)floor(double d) to floorf((float)d).
3367
3368 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
3369
3370         * config/arm/arm.md (insv): Use gen_int_mode in more places.
3371
3372 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
3373
3374         PR tree-optimization/18587
3375         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3376         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3377         build_vuses): Change to VEC type.
3378         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3379         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3380         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3381         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3382         (get_name_decl): New.  Return DECL_UID of base variable.
3383         (operand_build_cmp): New.  qsort comparison routine.
3384         (operand_build_sort_virtual): New.  Sort virtual build vector.
3385         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3386         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3387         (FINALIZE_BASE): Use get_name_decl.
3388         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3389         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3390         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3391         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3392         direct VEC_* manipulations.
3393         (build_ssa_operands): Call operand_build_sort_virtual.
3394         (copy_virtual_operand, create_ssa_artficial_load_stmt,
3395         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3396         with direct VEC_* manipulations.
3397         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3398         with direct VEC manipulations.
3399
3400 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
3401
3402         PR tree-optimization/21419
3403         PR tree-optimization/24146
3404         PR tree-optimization/24151
3405
3406         * c-typeck.c (readonly_error): Handle USE being lv_asm.
3407         (build_asm_expr): Call it if outputs are read-only.
3408         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3409
3410 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
3411             Paolo Bonzini  <bonzini@gnu.org>
3412
3413         PR target/23809
3414
3415         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3416         enable the instructions and not just the built-ins.
3417         * doc/invoke.texi (x86 Options): Likewise.
3418
3419 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
3420
3421         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3422
3423         * doc/invoke.texi (Option Summary): Correct spelling
3424         of -mmacosx-version-min.
3425
3426 2005-10-04  Devang Patel  <dpatel@apple.com>
3427
3428         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3429         real types.
3430
3431 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
3432
3433         * tree-vect-transform.c (vect_create_epilog_for_reduction):
3434         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3435
3436 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
3437
3438         * config/s390/s390.md ("TDSI","DP"): New mode macros.
3439         ("TE","tg"): New mode attributes.
3440         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3441         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3442         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3443         dword_mode and one for GPRmode.
3444
3445 2005-10-04  Ian Lance Taylor  <ian@airs.com>
3446
3447         PR preprocessor/13726
3448         * c-ppoutput.c (cb_include): Add comments parameter, and print out
3449         any comments passed in.
3450
3451 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3452
3453         * tree.c (annotate_with_file_line): Fix typo.
3454
3455 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3456
3457         PR ada/19382
3458         * builtins.c (fold_builtin_memcmp): When constructing the pointer
3459         type used to access data in the inlined length == 1 case, use
3460         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3461         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3462
3463 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
3464
3465         * config/i386/i386.h (TARGET_FISTTP): Enable also for
3466         TARGET_SSE3 and only for TARGET_80387.
3467         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3468         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3469         Do not depend on TARGET_80387.
3470
3471 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3472
3473         * tree.c (last_annotated_node): Change type to location_t*.
3474         (annotate_with_file_line): Reflect the change of
3475         last_annotated_node type.
3476
3477 2005-10-04  Richard Guenther  <rguenther@suse.de>
3478
3479         PR c/23576
3480         * c-decl.c (grokdeclarator): Don't write to fields
3481         of error_mark_node.
3482
3483 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
3484
3485         PR middle-end/23125
3486         * c-decl.c (finish_decl): Use set_user_assembler_name even for
3487         register variables.
3488         * varasm.c (make_decl_rtl): If a register variable does not
3489         have a set user assmbler name, error out.
3490         Decode the asmspec is now name+1 bypassing '*'.
3491
3492 2005-10-04  Steven Bosscher  <stevenb@suse.de>
3493
3494         PR tree-optimization/23049
3495         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3496         of a COND_EXPR is folded before calling fold on the whole rhs of a
3497         conditional assignment.
3498         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3499         document that a COND_EXPR may appear there.
3500
3501 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
3502
3503         PR 23445
3504         * tree-vrp.c (extract_range_from_assert): If the new numeric
3505         range created out of the assertion contradicts the existing
3506         numeric range of the ASSERT_EXPR variable, make the new range
3507         varying.
3508
3509 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
3510
3511         * config/sh/sh.c (sh_register_move_cost): Add case for moving
3512         from T_REGS to FP register class.
3513
3514 2005-10-03  Richard Henderson  <rth@redhat.com>
3515
3516         PR 24135
3517         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3518         before creating a new one.
3519
3520 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
3521
3522         * config/rs6000/t-aix43 (LDFLAGS): New.
3523         * config/rs6000/t-aix52 (LDFLAGS): New.
3524
3525 2005-10-03  Ian Lance Taylor  <ian@airs.com>
3526
3527         * gimplify.c (find_single_pointer_decl_1): New static function.
3528         (find_single_pointer_decl): New static function.
3529         (internal_get_tmp_var): For a formal variable, set restrict base
3530         information if appropriate.
3531         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3532         return it.
3533         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3534         (DECL_GET_RESTRICT_BASE): Define.
3535         (SET_DECL_RESTRICT_BASE): Define.
3536         (decl_restrict_base_lookup): Declare.
3537         (decl_restrict_base_insert): Declare.
3538         (struct tree_decl_with_vis): Add based_on_restrict_p field.
3539         * tree.c (restrict_base_for_decl): New static variable.
3540         (init_ttree): Initialize restrict_base_for_decl.
3541         (copy_node_stat): Copy restrict base information.
3542         (decl_restrict_base_lookup): New function.
3543         (decl_restrict_base_insert): New function.
3544         (print_restrict_base_statistics): New static function.
3545         (dump_tree_statistics): Call print_restrict_base_statistics.
3546
3547 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
3548
3549         PR 24142
3550         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3551         case of anti-ranges.
3552
3553 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
3554
3555         PR c/18851
3556         * c-typeck.c (tagged_tu_seen): Rename to ...
3557         (tagged_tu_seen_cache): this and add val field.
3558         (comptypes): Move functional to comptypes_internal
3559         and free tagged_tu_seen.
3560         (comptypes_internal): New function and call comptypes_internal
3561         instead of comptypes. Speed up by sibcalling
3562         tagged_types_tu_compatible_p.
3563         (alloc_tagged_tu_seen): New function
3564         (free_all_tagged_tu_seen_up_to): New function.
3565         (tagged_types_tu_compatible_p): Return the val of the seen two
3566         types.
3567         Add that the two types are the same to tagged_tu_seen_base
3568         if they are and call comptypes_internal instead of comptypes.
3569         <case UNION_TYPE>: Speed up common type where the fields are
3570         in the same order.
3571         (function_types_compatible_p): Call comptypes_internal instead of
3572         comptypes.
3573         (type_lists_compatible_p): Likewise.
3574         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3575
3576 2005-10-02  Matthias Klose  <doko@debian.org>
3577
3578         * doc/invoke.texi: Fix typo and speling error.
3579
3580 2005-10-01  Richard Henderson  <rth@redhat.com>
3581
3582         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3583
3584 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
3585
3586         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3587         using --start-group and --end-group.
3588
3589 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3590
3591         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3592         FIXME note regarding quirky semantics.
3593
3594 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
3595
3596         PR 24141
3597         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3598         non-null range as a last resort.
3599
3600 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
3601             Diego Novillo  <dnovillo@redhat.com>
3602
3603         PR 23604
3604         * tree-vrp.c (extract_range_from_assert): For !=
3605         assertions, only build an anti-range if LIMIT is a
3606         single-valued range.
3607
3608 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3609
3610         * arm.md (movqi): On thumb when optimizing, handle loading from
3611         memory by describing this as taking a subreg of a zero-extended load
3612         into an SImode register.
3613         (movhi): Likewise.
3614
3615 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
3616
3617         * reload1.c (merge_assigned_reloads): Do not change any
3618         RELOAD_FOR_OUTPUT_ADDRESS reloads.
3619
3620 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
3621
3622         * Makefile.in (LIPO_FOR_TARGET): Define.
3623         (STRIP_FOR_TARGET): Define.
3624
3625         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3626         before creating new ones.  Do symlinks before creating the actual
3627         targets.
3628
3629         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3630         to work out which multilibs are actually being built.
3631
3632 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
3633
3634         * tree-vect-transform.c, config/ms1/ms1.md,
3635         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3636         Follow spelling conventions.
3637         * doc/invoke.texi, doc/md.texi: Fix typos.
3638
3639 2005-09-30  Andrew Macleod  <amacleod@redat.com>
3640
3641         PR tree-optimization/21430
3642         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3643         use operands, and set stmt pointer if need be.
3644         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3645         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3646         present.
3647
3648 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3649
3650         PR middle-end/24053
3651         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3652
3653 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
3654
3655         * optabs.c (expand_binop): Initialize first_pass_p.
3656
3657 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
3658
3659         PR middle-end/24109
3660         * c-decl.c (c_write_global_declarations_1): If any
3661         wrapup_global_declaration_2 call returned true, restart the loop.
3662
3663 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
3664
3665         Fix PR tree-optimization/24117
3666         * tree-ssa-structalias.c (find_func_aliases): Strip nops
3667         before considering whether to use anyoffset.
3668
3669 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3670
3671         Revert this patch:
3672
3673         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3674
3675         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3676         to order operands.
3677         (swap_commutative_operands_with_target): New.
3678
3679 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
3680
3681         PR c/21419
3682         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3683         read-only.
3684
3685 2005-09-29  Steven Bosscher  <stevenb@suse.de>
3686
3687         PR tree-optimization/23911
3688         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3689         and IMAGPART_EXPR too.
3690
3691 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
3692
3693         PR 17886
3694         * expmed.c (expand_shift): Move logic to reverse rotation
3695         direction when  rotating by constants ...
3696         * optabs.c (expand_binop): ... here.
3697         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3698         (ix86_rotrdi3): New pattern.
3699         (rotldi3): Handle 32-bit mode.
3700         (ix86_rotldi3): New pattern.
3701
3702 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
3703
3704         PR target/24102
3705         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3706         check for numbers that need no bit twiddle.
3707
3708 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
3709
3710         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3711         multilib to be built.
3712
3713         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3714         (stage1-start): Delete old libgcc and libunwind before moving
3715         anything into the stage directory.
3716         (stage2-start): Likewise.
3717         (stage3-start): Likewise.
3718         (stage4-start): Likewise.
3719         (stageprofile-start): Likewise.
3720         (stagefeedback-start): Likewise.
3721         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3722         header in tm_file and CPU-specific t-darwin in tmake_file.
3723         (i[34567]86-*-darwin*): Don't change tm_file.
3724         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3725         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3726         shared library stub for target OS version.
3727         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3728         (SHLIB_LINK): Don't make SHLIB_SOLINK.
3729         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3730         (libgcc_s.%.dylib): New.
3731         (LIBGCC): Define.
3732         (install-darwin-libgcc-stubs): New.
3733         (INSTALL_LIBGCC): New append.
3734         * config/i386/darwin-libgcc.10.4.ver: New.
3735         * config/i386/darwin-libgcc.10.5.ver: New.
3736         * config/i386/t-darwin: New.
3737         * config/rs6000/darwin-libgcc.10.4.ver: New.
3738         * config/rs6000/darwin-libgcc.10.5.ver: New.
3739         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3740         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3741
3742 2005-09-28  Paul Brook  <paul@codesourcery.com>
3743
3744         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3745         denormals.
3746
3747 2005-09-28  Richard Guenther  <rguenther@suse.de>
3748
3749         PR tree-optimization/23853
3750         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3751         host_integerp to verify misalignment value.
3752
3753 2005-09-28  Richard Henderson  <rth@redhat.com>
3754
3755         * builtins.c (get_builtin_sync_mode): New.
3756         (expand_builtin_sync_operation): Pass in mode argument.
3757         (expand_builtin_compare_and_swap): Likewise.
3758         (expand_builtin_lock_test_and_set): Likewise.
3759         (expand_builtin_lock_release): Likewise.
3760         (expand_builtin): Update to match.
3761
3762 2005-09-28  Nick Clifton  <nickc@redhat.com>
3763
3764         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3765         formatting.  Add check to PLUS case to ensure that the offset is
3766         within an acceptable range.
3767
3768         * config/v850/v850.md (casesi): Disable the generation of the
3769         switch pattern as it is not being handled properly at the moment.
3770
3771         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3772         for when the high words are identical.
3773
3774 2005-09-27  Richard Henderson  <rth@redhat.com>
3775
3776         * pretty-print.c (pp_base_format): Fix typo for %>.
3777
3778 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
3779             Devang Patel  <dpatel@apple.com>
3780
3781         PR tree-optimization/23625
3782         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3783         LABEL_EXPR, assertion check.
3784
3785 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
3786
3787         * optabs.c (no_conflict_move_test): Check if a result of a
3788         to-be-moved insn would be clobbered by an originally
3789         preceding insn.
3790
3791 2005-09-27  Jeff Law  <law@redhat.com>
3792
3793         * passes.c (init_optimization_passes): Replace copy propagation
3794         passes immediately after DOM with phi-only copy propagation
3795         pases.  Add phi-only copy propagation pass after first DOM pass.
3796         * tree-pass.h (pass_phi_only_copy_prop): Declare.
3797         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3798         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3799         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
3800         to init_copy_prop.  Callers updated.
3801         (do_phi_only_copy_prop): New function.
3802         (pass_phi_only_copy_prop): New pass descriptor.
3803
3804 2005-09-27  Nick Clifton  <nickc@redhat.com>
3805
3806         * libgcc2.c (__popcount_tab): Remove redundant prototype.
3807
3808 2005-09-26  Jason Merrill  <jason@redhat.com>
3809
3810         PR c++/13764
3811         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3812
3813         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3814
3815 2005-09-26  James E Wilson  <wilson@specifix.com>
3816
3817         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3818         copyright.  Add gcc copyright plus libgcc exception.
3819         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
3820         copyright.
3821         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3822
3823 2005-09-26  Jeff Law  <law@redhat.com>
3824
3825         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3826         about when to iterate.
3827
3828 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
3829
3830         PR target/23847
3831         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3832         for __complex__ double in -mcpu=G5 mode.
3833
3834 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
3835
3836         PR tree-optimization/23942
3837         * Makefile.in (SCEV_H): Depends on PARAMS_H.
3838         * tree-scalar-evolution.c: Include params.h.
3839         (t_bool): New enum.
3840         (follow_ssa_edge, follow_ssa_edge_in_rhs,
3841         follow_ssa_edge_in_condition_phi_branch,
3842         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3843         Change return type to t_bool.  Use a parameter to limit the size of
3844         trees that are walked before stopping
3845         (analyze_evolution_in_loop): Initialize the limit to 0.
3846         (follow_ssa_edge): Give up by returning t_dont_know if the limit
3847         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3848
3849 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
3850
3851         PR middle-end/23831
3852         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3853         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3854
3855 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
3856
3857         * combine.c (make_extraction): Check for valid use of subreg.
3858
3859 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
3860
3861         PR target/24055
3862         * config/i386/i386.md ("*fistdi2_1"): New pattern.
3863         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3864         ("fist<mode>2_with_temp"): Use only register operands.
3865
3866 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
3867
3868         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3869         CALL_INSN_FUNCTION_USAGE.
3870
3871 2005-09-26  Richard Guenther  <rguenther@suse.de>
3872
3873         PR middle-end/15855
3874         * gcse.c: Include hashtab.h, define ldst entry hashtable.
3875         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3876         (ldst_entry): Use the hashtable instead of list-walking.
3877         (find_rtx_in_ldst): Likewise.
3878         (free_ldst_entry): Free the hashtable.
3879         (compute_ld_motion_mems): Create the hashtable.
3880         (trim_ld_motion_mems): Remove entry from hashtable if
3881         removing it from list.
3882         (compute_store_table): Likewise^2.
3883         (store_motion): Free hashtable in case we did not see
3884         any stores.
3885
3886 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
3887
3888         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3889         and arg1 if we are passing them to fold_build2.
3890
3891 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
3892
3893         PR 23828
3894         * config/i386/i386.c (ix86_function_regparm): Fix the test for
3895         a nested function.
3896
3897 2005-09-25  Richard Henderson  <rth@redhat.com>
3898
3899         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3900         SYMBOL_REF_TLS_MODEL to be correct.
3901
3902 2005-09-24  Richard Henderson  <rth@redhat.com>
3903
3904         * ipa-type-escape.c (discover_unique_type): Remove dead code at
3905         end of function.  Reindent.
3906
3907 2005-09-24  Ian Lance Taylor  <ian@airs.com>
3908
3909         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3910         NEGATE_EXPR/BIT_NOT_EXPR case.
3911
3912 2005-09-24  Richard Henderson  <rth@redhat.com>
3913
3914         * c-common.c (handle_mode_attribute): When not modifying in place,
3915         create subtypes for enumerations.
3916         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3917         * gimplify.c (create_tmp_from_val): Likewise.
3918
3919 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
3920
3921         * config/i386/i386.md (*tls_global_dynamic_64,
3922         *tls_local_dynamic_base_64): Add missing mode to call.
3923         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3924
3925 2005-09-24  Jan Hubicka  <jh@suse.cz>
3926
3927         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3928         (cgraph_clone_node): Likewise.
3929         * cgraph.h (cgraph_clone_edge): Update prototype.
3930         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3931         duplicated prototypes; add updating argument.
3932         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3933         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3934         updating profile.
3935         (cgraph_mark_inline_edge): Likewise.
3936         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3937         (cgraph_flatten_node): Likewise.
3938         (cgraph_decide_recursive_inlining): Likewise.
3939         (cgraph_decide_inlining_of_small_function): Likewise.
3940         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3941
3942 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
3943             Pete Steinmetz <steinmtz@us.ibm.com>
3944
3945         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3946         (rldic.): Set type to "compare".
3947         (rldicr.): Same.
3948         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
3949         mfjmpr for MFCTR/MFLR.
3950         (movdf_hardfloat64): Same.
3951         (movdf_softfloat64): Same.  Correct order of store and move types.
3952         (movti_string): Set type to store_ux/load_ux.
3953         (load_multiple): Set type to load_ux.
3954         (store_multiple): Set type to store_ux.
3955         (movmemsi): Set type to store_ux.
3956         (output_cbranch direct_return): Set type to jmpreg.
3957         (stmw): Set type to store_ux.
3958         (lmw): Set type to load_ux.
3959         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3960         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3961         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3962         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3963         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3964         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3965         (rios1-fpstore): Increase latency to 3.
3966         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3967         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3968
3969 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
3970             Andrew Pinski  <pinskia@physics.uc.edu>
3971
3972         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3973         operand2 constraint to "b".
3974         (sync_<fetchop_name>di_internal): Same.
3975         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3976         to "b".
3977         (sync_old_<fetchop_name>di_internal): Same.
3978         (sync_new_<fetchop_name>si_internal): Same.
3979         (sync_new_<fetchop_name>di_internal): Same.
3980
3981 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
3982
3983         PR middle-end/23991
3984         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3985         case, define as macros.
3986
3987         PR rtl-optimization/23837
3988         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
3989         clobber / clobber match between dest and p->first.
3990
3991         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3992         (no_conflict_move_test): Update comments.
3993
3994 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
3995
3996         * doc/install.texi: Update URL for Jacks.
3997         * doc/sourcebuild.texi: Likewise.
3998
3999 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
4000
4001         PR target/24007
4002         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4003         registers when choosing register preferences.
4004         (movdf_hardfloat64): Same.
4005
4006 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
4007
4008         * expmed.c (expand_shift): Don't use the target of the rotate as
4009         target for the first expanded shift insn.
4010         * testsuite/gcc.dg/20050922-1.c: Testcase added.
4011
4012 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
4013
4014         PR tree-optimization/22438
4015         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4016         preserved iv rhs rewriting specially.
4017
4018 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
4019
4020         * tree-data-ref.c (analyze_array_indexes): Only estimate when
4021         estimate_only  is true.
4022         * tree-flow.h (ref_contains_indirect_ref): New prototype.
4023         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4024         tree-ssa-structalias.c
4025         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4026         ref_contains_indirect_ref.
4027         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4028
4029 2005-09-21  DJ Delorie  <dj@redhat.com>
4030
4031         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4032         MASK_PTR_A0D0.
4033         (mn10300_return_in_memory): Support variable size types also.
4034         (mn10300_pass_by_reference): Likewise.
4035         (mn10300_function_value): New.
4036         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4037         (FUNCTION_OUTGOING_VALUE): Likewise.
4038         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4039         * doc/invoke.texi: Document it.
4040
4041 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
4042
4043         PR target/22585
4044         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4045         force integer op1 into register for XFmode compares.
4046
4047 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
4048
4049         PR middle-end/23971
4050         * expmed.c (alg_code): Add alg_impossible.
4051         (alg_hash_entry): Add cost.
4052         (synth_mult): Record alg_impossible in the hash table if
4053         multiplication by a given integer is impossble within the
4054         limit.  Speed up using alg_impossible.
4055
4056 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4057
4058         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4059         argument.  Allow and set any offset if needs_anyoffset is passed
4060         in.
4061         (get_constraint_for): Add argument here too.
4062         Pass it down.
4063         (do_structure_copy): Pass NULL to get_constraint_for.
4064         (handle_ptr_arith): Ditto.
4065         (find_func_aliases): Ditto.
4066
4067 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
4068
4069         PR rtl-optimization/23898
4070         * output.h (get_attr_min_length): Declare.
4071         * final.c (get_attr_length_1): New function, broken out of:
4072         (get_attr_length).
4073         (get_attr_min_length): New function.
4074         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4075         (duplicate_computed_gotos): Likewise.
4076         * genattr.c (insn_min_length): Generate declaration.
4077         * genattrtab.c (min_fn, min_attr_value): New functions.
4078         (make_length_attrs): Generate insn_min_length.
4079
4080 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
4081
4082         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4083
4084 2005-09-20  Richard Henderson  <rth@redhat.com>
4085
4086         PR tree-optimization/24059
4087         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4088         EXPAND_STACK_PARM.
4089
4090 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
4091
4092         * c.opt (fextended-identifiers): New.
4093         * c-opts.c (c_common_handle_option): Handle
4094         -fextended-identifiers.
4095         * doc/cpp.texi: Update documentation of extended identifiers.
4096         * doc/cppopts.texi (-fextended-identifiers): Document.
4097
4098 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
4099
4100         PR tree-optimization/23929
4101         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4102         if expr is NULL.
4103
4104         PR tree-optimization/23818
4105         * tree-stdarg.c (execute_optimize_stdarg): Call
4106         calculate_dominance_info.
4107
4108 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
4109
4110         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4111         (analyze_siv_subscript_cst_affine): Add weak SIV test.
4112         (compute_overlap_steps_for_affine_1_2): Use
4113         get_number_of_iters_for_loop.
4114         (analyze_subscript_affine_affine): Check whether difference is
4115         zero first.
4116         Use get_number_of_iters_for_loop.
4117         Check whether overlap occurs outside of bounds.
4118         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4119
4120 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
4121
4122         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4123         base register if possible.
4124
4125 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
4126
4127         PR tree-optimization/18463
4128         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4129         converting it directly is not possible.
4130         (chrec_convert_aggressive): New function.
4131         * tree-chrec.h (chrec_convert_aggressive): Declare.
4132         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4133         Fold chrec conversions aggressively if asked to.
4134         (instantiate_parameters): Modified because of changes in
4135         instantiate_parameters_1.
4136
4137 2005-09-19  Richard Henderson  <rth@redhat.com>
4138
4139         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4140         (reduc_splus_v2df): New.
4141
4142 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
4143
4144         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4145         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
4146
4147 2005-09-19  Richard Henderson  <rth@redhat.com>
4148
4149         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4150         vcondu<SSEMODE12>.
4151
4152 2005-09-19  Richard Henderson  <rth@redhat.com>
4153
4154         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4155         (ia64_expand_dot_prod_v8qi): New.
4156         * config/ia64/ia64-protos.h: Update.
4157         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4158         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4159         sdot_prodv8qi, sdot_prodv4hi): New.
4160         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4161
4162 2005-09-19  Richard Henderson  <rth@redhat.com>
4163
4164         PR 23941
4165         * real.c (exact_real_truncate): Return false if the format cannot
4166         represent the number as a normal.
4167
4168         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4169         for a memory source.
4170
4171 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
4172
4173         * tree-ssa-operands.c (swap_tree_operands): Export.
4174         * tree.h (swap_tree_operands): Declare.
4175         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4176         Call swap_tree_operands.
4177
4178 2005-09-19  Richard Henderson  <rth@redhat.com>
4179
4180         * tree-flow.h (merge_alias_info): Declare.
4181         * tree-ssa-copy.c (merge_alias_info): Export.
4182         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4183         (vect_create_data_ref_ptr): Use create_iv directly.
4184         (vectorizable_load): Use correct types for integer constants.
4185         (vect_generate_tmps_on_preheader): Likewise.
4186         (vect_gen_niters_for_prolog_loop): Likewise.
4187
4188 2005-09-19  Steven Bosscher  <stevenb@suse.de>
4189
4190         PR rtl-optimization/23943
4191         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4192
4193 2005-09-18  Jan Hubicka  <jh@suse.cz>
4194
4195         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4196
4197 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
4198
4199         * varasm.c (output_constant): Do not abort on conversions to union
4200         types between different sizes.
4201
4202 2005-09-18  Richard Guenther  <rguenther@suse.de>
4203
4204         PR middle-end/23944
4205         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4206         fallback.
4207
4208 2005-09-18  Paul Brook  <paul@codesourcery.com>
4209
4210         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4211
4212 2005-09-17  Richard Henderson  <rth@redhat.com>
4213
4214         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4215         * tree-ssa-loop.c (pass_vect_dce): Remove.
4216         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4217         of pass_vectorize.
4218
4219 2005-09-17  Richard Henderson  <rth@redhat.com>
4220
4221         * tree-pass.h (pass_vect_dce): Declare.
4222         * passes.c (init_optimization_passes): Add it.
4223         * tree-flow.h (tree_ssa_dce): Declare.
4224         * tree-ssa-dce.c (tree_ssa_dce): Export.
4225         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4226         (gate_tree_vectorize): ... here.
4227         (pass_vect_dce): New.
4228
4229 2005-09-17  Jan Hubicka  <jh@suse.cz>
4230
4231         * except.c (struct eh_status): Turn region_array into vec.
4232         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4233         convert_from_eh_region_ranges, find_exception_handler_labels,
4234         current_function_has_exception_handlers, assign_filter_values,
4235         build_post_landing_pads, dw2_build_landing_pads,
4236         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4237         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4238         foreach_reachable_handler, can_throw_internal_1,
4239         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4240         region_array.
4241         (duplicate_eh_region_1): Update region_array.
4242         (duplicate_eh_regions): Resize region_array and avoid recomputing.
4243
4244 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
4245
4246         PR middle-end/22067
4247         * expmed.c (expand_mult): Substitute simple register for op0 when
4248         computing max_cost.
4249
4250 2005-09-17  Richard Henderson  <rth@redhat.com>
4251
4252         * expr.c (emit_move_via_integer): Add force argument, pass it on
4253         to emit_move_change_mode.  Update callers.
4254         (emit_move_complex): Pass true to new force argument.
4255         * function.c (expand_function_end): Move expand_eh_return call
4256         earlier.  Merge sub-word complex values into a pseudo before
4257         copying to the return hard register.
4258
4259 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
4260
4261         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4262         between different sizes.
4263
4264 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
4265
4266         PR 23903
4267
4268         * passes.c (init_optimization_passes): Register dump files for
4269         IPA passes first.
4270
4271 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
4272
4273         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4274         * config/s390/s390.c (s390_overlap_p): New function.
4275         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4276         peephole2, "*xc" peephole2): Added overlap check to the peephole2
4277         condition.
4278
4279 2005-09-16  Richard Guenther  <rguenther@suse.de>
4280
4281         * ipa-pure-const.c (static_execute): Free auxiliar information.
4282         * ipa-type-escape.c (discover_unique_type): Free temporary key.
4283         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4284
4285 2005-09-15  DJ Delorie  <dj@redhat.com>
4286
4287         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4288
4289 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4290
4291         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4292         to order operands.
4293         (swap_commutative_operands_with_target): New.
4294
4295 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
4296
4297         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4298         parameter.
4299         Update callers.
4300         (estimate_iters_using_array): New function.
4301         * tree-data-ref.h (estimate_iters_using_array): Prototype
4302         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4303         Use estimate_iters_using_array instead of analyze_array.
4304
4305 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
4306
4307         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4308         as addressable.
4309
4310 2005-09-15  Michael Matz  <matz@suse.de>
4311
4312         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4313
4314 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
4315
4316         PR tree-optimization/23835
4317         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4318         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4319
4320 2005-09-14  Richard Henderson  <rth@redhat.com>
4321
4322         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4323         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4324
4325 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
4326
4327         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4328         in the ARRAY_TYPE case.
4329
4330 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
4331
4332         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4333
4334 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
4335
4336         PR middle-end/22480
4337         * tree-vect-transform.c (vectorizable_operation): Return false for
4338         scalar shift operations and for vector shift operations with
4339         non-invariant shift arguments.  Use scalar tree operand op1 as
4340         a shift operand when vector shift insn pattern uses scalar shift
4341         operand.
4342         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4343
4344 2005-09-14  Olivier Hainque  <hainque@adacore.com>
4345
4346         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4347         value if it has side-effects.
4348
4349 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
4350
4351         PR target/22068
4352         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4353
4354 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
4355
4356         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4357         passed as NAME as if it were label at start of function code.
4358
4359 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
4360
4361         * config/sh/sh.md (*movv4sf_i): Add general register cases to
4362         the constraints.
4363
4364 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
4365
4366         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4367         as early clobber.  Rewrite so the PIC register is not implicitly used.
4368
4369 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4370
4371         * tree.c (annotate_with_file_line): Compare line numbers before
4372         file names.
4373
4374 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
4375
4376         PR target/23816
4377         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4378         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4379
4380 2005-09-13  Ian Lance Taylor  <ian@airs.com>
4381
4382         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4383         than a HOST_WIDEST_INT to gen_doloop_begin.
4384
4385 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
4386
4387         * tree-dfa.c (dump_variable): Guard against NULL annotations.
4388
4389 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
4390
4391         PR tree-optimize/23817
4392         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4393
4394 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
4395
4396         PR target/23774
4397         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4398         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
4399         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4400         (restore_stack_nonlocal): Likewise.
4401         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4402
4403 2005-09-12  Ian Lance Taylor  <ian@airs.com>
4404
4405         PR g++/7874
4406         * c.opt (ffriend-injection): New C++ option.
4407         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4408         (C++ Dialect Options): Document -ffriend-injection.
4409
4410 2005-09-12  Josh Conner  <jconner@apple.com>
4411
4412         PR middle-end/23237
4413         * ipa-reference.c (static_execute): Don't mark variables in
4414         named sections TREE_READONLY.
4415
4416 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
4417
4418         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4419         stack_tie.
4420
4421 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
4422
4423         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4424         V_MUST_DEF instead of just the first_use_p.
4425         Don't mark the virtual variables for renaming on the statement which
4426         is being removed.
4427         (pass_dse): Remove TODO_update_ssa.
4428
4429 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
4430
4431         PR middle-end/23290
4432         * stor-layout.c (compute_record_mode): For records with a single
4433         field, actually check the field's mode size against the type size.
4434
4435         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4436         registers for TARGET_SHMEDIA.
4437         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4438         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
4439         of GENERAL_REGS and FP_REGS.
4440
4441 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4442
4443         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4444
4445 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
4446
4447         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4448         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4449         are omitted.  Exclude stack_tie insn too.
4450
4451 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
4452
4453         PR rtl-optimization/23098
4454         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4455         0.0f is easy.
4456         * config/rs6000/rs6000.md (movdf splitter): Use
4457         const_double_operand predicate for TARGET_POWERPC64.
4458         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4459         SYMBOL_REF method to ABI_V4.
4460
4461         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4462         replace_equiv_address.
4463         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4464         rs6000_sr_alias_set and MEM_NOTRAP.
4465         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4466
4467 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
4468
4469         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4470         handle CALL_EXPR again.
4471
4472 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4473
4474         * arm/predicates.md (alignable_memory_operand): Delete.
4475
4476 2005-09-10  Richard Henderson  <rth@redhat.com>
4477
4478         PR debug/23806
4479         * dbxout.c (dbxout_expand_expr): New.
4480         (dbxout_symbol): Use it.
4481
4482 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
4483
4484         * arm.c (arm_gen_rotated_half_load): Delete.
4485         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4486         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4487         (thumb_set_return_address): Likewise.
4488         (thumb_load_double_from_address): Use adjust_address.
4489         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4490         (extendhsisi2_mem, movhi_bytes): Use change_address.
4491         (movhi): Use widen_memory_access.
4492         (reload_out_df): Use replace_equiv_address.
4493         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4494
4495 2005-09-09  Richard Henderson  <rth@redhat.com>
4496
4497         PR debug/20998
4498         * dbxout.c: Include expr.h.
4499         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4500         (dbxout_symbol): Handle DECL_VALUE_EXPR.
4501         * Makefile.in (dbxout.o): Add EXPR_H.
4502
4503 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
4504
4505         PR tree-optimization/23509
4506         * tree-cfg.c (replace_uses_by): Use replace_exp.
4507         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4508         pointers have name_mem_tag or type_mem_tag set.
4509
4510 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4511
4512         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4513         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4514         of wrongly accessing operands.
4515
4516 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
4517
4518         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4519         * tree-chrec.c: Include tree-scalar-evolution.h.
4520         (chrec_convert): Instantiate the base and step before calling
4521         scev_probably_wraps_p that would fail on parametric evolutions.
4522         Collect all the fails into a single section failed_to_convert,
4523         print a diagnostic, and return chrec_dont_know instead of calling
4524         fold_convert.
4525         * tree-scalar-evolution.c (loop_closed_phi_def): New.
4526         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4527         phi nodes.
4528         (scev_const_prop): Don't replace the definition of a loop closed ssa
4529         phi node by itself, or by another loop closed ssa phi node.
4530         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4531         that base and step are defined.
4532
4533 2005-09-09  Richard Guenther  <rguenther@suse.de>
4534
4535         PR c++/23624
4536         * fold-const.c (fold_ternary): Check truth_value_p before
4537         calling invert_truthvalue.
4538
4539 2005-09-09  Nick Clifton  <nickc@redhat.com>
4540
4541         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4542         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4543         dimension of these arrays.
4544         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4545         these arrays.
4546         * longlong.h: Only provide a prototype for the __clz_tab[] array
4547         if this header has not been included from libgcc2.h.
4548         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4549         defining own types.
4550         Provide prototypes for exported functions.
4551         Use the __clz_tab[] and __popcount_tab[] arrays provided by
4552         libgcc2.c.
4553
4554 2005-09-08  Josh Conner  <jconner@apple.com>
4555
4556         PR c++/21135
4557         PR c++/23180
4558         * expr.c (expand_expr_addr_expr_1): Don't invoke
4559         expand_simple_binop for EXPAND_INITIALIZER.
4560
4561 2005-09-08  Richard Henderson  <rth@redhat.com>
4562
4563         PR debug/23190
4564         * toplev.c (wrapup_global_declaration_1): Split out ...
4565         (wrapup_global_declaration_2): ... from ...
4566         (wrapup_global_declarations): ... here.  Return bool.
4567         (check_global_declaration_1): Split out ...
4568         (check_global_declarations): from here.
4569         (emit_debug_global_declarations): New.
4570         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4571         check_global_declaration_1, emit_debug_global_declarations): Declare.
4572         * c-decl.c (c_write_global_declarations_1): Don't create a vector
4573         of decls.  Call wrapup_global_declaration_1,
4574         wrapup_global_declaration_2, check_global_declaration_1 directly.
4575         (c_write_global_declarations_2): New.
4576         (ext_block): New.
4577         (c_write_global_declarations): Call c_write_global_declarations_2.
4578         * langhooks.c (write_global_declarations): Call
4579         emit_debug_global_declarations.
4580
4581         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4582         remove decls that have DECL_RTL_SET_P.
4583         * passes.c (rest_of_decl_compilation): Invoke
4584         cgraph_varpool_finalize_decl for all but functions.
4585
4586 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4587
4588         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4589         the result of a conversion if the new min and max cannot be compared.
4590
4591 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
4592
4593         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4594         (override_options): Setting s390_sr_alias_set removed.
4595         (save_fpr, save_gprs): Set alias set to vararg or frame.
4596         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4597         s390_sr_alias_set with get_frame_alias_set ().
4598         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4599         get_varargs_alias_set ().
4600
4601 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4602
4603         PR objc/20574
4604         PR objc/19324
4605         * c-parser.c (c_parser_objc_method_definition): If the next
4606         token is not "{", error out and don't start the function.
4607
4608 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
4609
4610         * tree-vrp.c (extract_range_from_expr): Move the check for non
4611         nullness after the check for gimple invariant.
4612
4613 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4614
4615         * tree.c (host_integerp, tree_low_cst): Correct function comment.
4616
4617 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4618
4619         PR target/23747
4620         * config/m32r.md (movmemsi_internal): Canonicalize order of
4621         operands in PLUS component of template.
4622
4623 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4624
4625         * reload1.c (fixup_eh_region_note): Remove assertion.
4626         (fixup_abnormal_edges): Reverted removal of call to
4627         find_many_sub_basic_blocks made on 2005-08-31.
4628
4629 2005-09-07  Richard Henderson  <rth@redhat.com>
4630
4631         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4632         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4633         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4634         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4635         rearrange for better packing.
4636         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4637         (lookup_cfa_1): Remove inline marker.
4638         (cfa_equal_p): Split out of ...
4639         (def_cfa_1): ... here.  Use INVALID_REGNUM.
4640         (build_cfa_loc): Handle !cfa->indirect.
4641         (frame_pointer_cfa_offset): New.
4642         (dbx_reg_number): Assert register elimination performed; do
4643         leaf register remapping.
4644         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4645         (eliminate_reg_to_offset): New.
4646         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
4647         for verifiably local stack frame addresses; re-base to CFA.
4648         (mem_loc_descriptor): Remove can_use_fbreg argument.
4649         (concat_loc_descriptor, loc_descriptor): Likewise.
4650         (containing_function_has_frame_base): Remove.
4651         (rtl_for_decl_location): Don't do register elimination or
4652         leaf register remapping here.
4653         (secname_for_decl): Split out from ..
4654         (add_location_or_const_value_attribute): ... here.
4655         (convert_cfa_to_loc_list): New.
4656         (compute_frame_pointer_to_cfa_displacement): New.
4657         (gen_subprogram_die): Use them.
4658         * tree.h (frame_base_decl): Remove.
4659         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4660         (prologue_stack_adjust): Remove.
4661         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4662         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4663         (set_frame_base_location): Remove.
4664         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4665         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4666         (vt_add_function_parameters): Don't eliminate_regs.
4667         (vt_initialize): Don't create frame_base_decl.
4668
4669 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4670
4671         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4672         version of GNU binutils for 4.x and later.
4673
4674 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
4675
4676         * ggc-page.c (ggc_push_context): Remove.
4677         (ggc_pop_context): Likewise.
4678         * ggc.h (ggc_push_context): Remove.
4679         (ggc_pop_context): Likewise.
4680
4681 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4682
4683         PR target/8973
4684         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4685         returning from an interrupt handler.
4686
4687 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4688
4689         PR target/8972
4690         * config/arc/arc.c (output_shift): Add check for loop count when
4691         optimizing.
4692
4693 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4694
4695         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4696         form manually.
4697         (abs_replacement): Likewise.
4698         (pass_phiopt): Remove TODO_update_ssa.
4699
4700 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4701
4702         PR c/23075
4703         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4704         if "return with no value, in function returning non-void" warning
4705         has been issued.
4706         * tree-cfg.c (execute_warn_function_return): Don't look at
4707         RETURN_EXPRs with TREE_NO_WARNING set.
4708
4709         PR target/22362
4710         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4711         for internal functions doesn't use registers used by global registers
4712         variables.  Use fewer register parameters if there are global register
4713         variables.
4714
4715 2005-09-06  Olivier Hainque  <hainque@adacore.com>
4716             Eric Botcazou  <ebotcazou@adacore.com>
4717
4718         PR middle-end/14997
4719         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4720         when we would be extracting outside its bit span (bitpos+bitsize
4721         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4722         Ada unchecked conversions.
4723
4724 2005-09-06  Steven Bosscher  <stevenb@suse.de>
4725
4726         * tree-ssa-pre.c (try_look_through_load): New function.
4727         (compute_avail): Use it to try to look through loads for some
4728         more useful expressions.
4729
4730 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
4731
4732         * simplify-rtx.c (simplify_binary_operation_1): Correct the
4733         condition for detecting cases like (a&a) and (a^a).
4734
4735 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
4736
4737         * common.opt: Add option ftree-vect-loop-version.
4738         * params.def: Add --param vect-max-version-checks.
4739         * doc/invoke.texi: Document ftree-vect-loop-version and
4740         --param vect-max-version-checks.
4741         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4742         may_misalign_stmts and defines for accessors.
4743         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4744         LOOP_VINFO_MAY_MISALIGN_STMTS.
4745         (destroy_loop_vec_info): VEC_free for
4746         LOOP_VINFO_MAY_MISALIGN_STMTS.
4747         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4748         Update documentation.
4749         (vect_update_misalignment_for_peel): New.
4750         (vect_enhance_data_refs_alignment): Update to choose loop
4751         peeling or loop versioning if appropriate for the (potentially)
4752         unaligned data references in the loop.
4753         (vect_analyze_data_refs_alignment): Remove call to
4754         vect_enhance_data_refs_alignment so the checks can be done
4755         earlier.
4756         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4757         and move up call to vect_analyze_data_refs_alignment.
4758         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4759         (vect_transform_loop): Add call to loop_version.
4760
4761 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
4762
4763         PR rtl-optimization/23098
4764         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4765         * simplify-rtx.c (constant_pool_reference_p): New function.
4766         * rtl.h (constant_pool_reference_p): New prototype.
4767         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4768         constant_pool_reference_p in condition and
4769         avoid_constant_pool_reference in preparation statements.
4770
4771 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
4772
4773         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4774         STRICT_LOW_PART SETs.
4775
4776 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
4777
4778         PR middle-end/21460
4779         * except.c (sjlj_emit_function_enter): Find the function begin
4780         note even when it's not in first basic block.
4781
4782 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
4783
4784         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
4785         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4786         * aclocal.m4: Regenerate.
4787
4788 2005-09-05  DJ Delorie  <dj@redhat.com>
4789
4790         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4791         of macro.
4792
4793 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
4794
4795         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4796         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4797         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4798         Follow spelling conventions.
4799         * doc/invoke.texi: Follow spelling conventions.
4800
4801 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4802
4803         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4804         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4805         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4806
4807 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
4808
4809         PR target/23683
4810         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4811         (output_stack_adjust): Use gen_tmp_stack_mem.
4812         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4813         (sh_set_return_address, sh_allocate_initial_value): Likewise.
4814         (sh_get_pr_initial_val): Likewise.
4815         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4816         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
4817         * sh.md (divsi_inv_m0): Use gen_const_mem.
4818         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4819         (movdf_i4+1): Use gen_tmp_stack_mem.
4820         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4821         (fpu_switch+2): Likewise.
4822         (movv4sf_i, movv16sf_i): Use adjust_address.
4823         (symGOT_load): Set MEM_NOTRAP_P bit.
4824
4825 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4826
4827         PR target/23721
4828         * pa.c (emit_move_sequence): Fix typo in last change.
4829
4830 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
4831
4832         PR rtl-optimization/23454
4833         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4834         is true.
4835
4836 2005-09-03  Richard Henderson  <rth@redhat.com>
4837             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4838
4839         PR middle-end/23671
4840         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4841         gen_rtx_MEM.
4842
4843 2005-09-02  Nicolas Pitre <nico@cam.org>
4844
4845         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4846         to bit_count to 32 bits.
4847
4848 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
4849
4850         PR c++/23167
4851         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4852         generating synthetic loads from volatile lvalues.
4853
4854 005-09-02  Nick Clifton  <nickc@redhat.com>
4855
4856         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4857         __ctzhi2, __clzhi2): New functions.
4858
4859 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
4860
4861         PR middle-end/23547
4862         * tree-nested.c (struct var_map_elt): Mark with GTY.
4863         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
4864         var_map_elt.
4865         (lookup_field_for_decl): Allocate new element in GC memory.
4866         (lookup_tramp_for_decl): Likewise.
4867         (convert_nl_goto_reference): Likewise
4868         (create_nesting_tree): Allocate info in GC memory. Likewise for
4869         info->var_map.
4870         (free_nesting_tree): Free with ggc_free instead of free.
4871         (root): New static variable.
4872         (lower_nested_functions): Remove root as local variable.  And zero out
4873         root at the end of the function.
4874
4875 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
4876
4877         PR rtl-optimization/20365
4878         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4879         to short.  New member ix.
4880         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4881         (simplify_plus_minus): Initialize ix members before calling qsort.
4882
4883 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
4884
4885         PR tree-optimization/23626
4886         * tree-cfg.c (replace_uses_by): Clean up eh info.
4887
4888 2005-09-01  DJ Delorie  <dj@redhat.com>
4889
4890         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4891         fprintf.
4892
4893 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
4894
4895         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4896         (rs6000_split_multireg_move): Use replace_equiv_address instead of
4897         gen_rtx_MEM.
4898
4899 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
4900
4901         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
4902         do not issue warning for a variable definition following
4903         a declaration.
4904
4905 2005-09-01  Richard Henderson  <rth@redhat.com>
4906
4907         PR 23668
4908         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4909         conversion to CONST_VECTOR.
4910
4911 2005-09-01  Richard Henderson  <rth@redhat.com>
4912
4913         PR 23676
4914         * reload1.c (reload_as_needed): Check !CALL_P before calling
4915         fixup_eh_region_note.
4916         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4917
4918 2005-09-01  DJ Delorie  <dj@redhat.com>
4919
4920         * varasm.c (output_constant): Let the target resolve
4921         conversions of addresses to non-default pointer sizes.
4922
4923 2005-09-01  Nicolas Pitre <nico@cam.org>
4924
4925         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4926         to alow matching ARM pre-indexed addressing mode.
4927         (arm_override_options): Remove now irrelevant comment.
4928
4929 2005-09-01  Phil Edwards  <phil@codesourcery.com>
4930
4931         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
4932         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
4933         * config/i386/vxworks.h:  Likewise.
4934         * config/i386/t-vxworksae:  New file, for VxWorks AE.
4935         * config/i386/vxworksae.h:  Likewise.
4936
4937 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
4938
4939         PR tree-optimization/23410
4940         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4941         sequence is not wrapping during the first step.
4942
4943 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
4944
4945         PR debug/7241
4946         * dwarf2out.c (base_type_die): Compare char_type_node with
4947         TYPE_MAIN_VARIANT (type), not type.
4948
4949 2005-09-01  Richard Guenther  <rguenther@suse.de>
4950
4951         PR tree-optimization/15366
4952         * common.opt: Add -finline-functions-called-once.
4953         Put -fearly-inlining in alphabetically ordered place.
4954         * doc/invoke.texi: Document new option.
4955         * ipa-inline.c (cgraph_decide_inlining): Honour
4956         flag_inline_functions_called_once.
4957
4958 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
4959
4960         PR rtl-optimization/23478
4961         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4962         (alloc_qty): Initialize it.
4963         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4964         (combine_regs): Combine also n_throwing_calls_crossed fields.
4965         (find_free_reg): Don't attempt to caller-save pseudos crossing
4966         calls that might throw.
4967         * global.c (struct allocno): Add throwing_calls_crossed field.
4968         (global_alloc): Revert 2005-08-22 change.  Initialize
4969         throwing_calls_crossed.
4970         (find_reg): Don't attempt to caller-save pseudos crossing calls that
4971         might throw.
4972
4973 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
4974
4975         PR target/23649
4976         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4977         (mask64_operand): Reinstate code prior to 2005-06-11 change.
4978         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4979         (and64_2_operand): Tweak to use predicate.
4980         (and_operand): Adjust for mask_operand changes.
4981         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4982         (print_operand): Likewise.
4983         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4984         (mask64_1or2_operand): Delete.
4985         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4986         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4987         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4988         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4989         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4990         (rotldi3_internal4): Likewise.
4991         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4992         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4993         (ashldi3_internal7): Likewise.
4994         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4995         (ashldi3_internal, ashldi3_internal9 split): Likewise.
4996         (anddi3 split): Don't match mask64_operand.
4997         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
4998         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
4999         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
5000         't' splitter predicate.
5001         (movdi_internal64 + 2): Revert 2005-06-11 change.
5002
5003 2005-08-31  DJ Delorie  <dj@redhat.com>
5004
5005         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5006         (m32c_asm_integer): Add support for 32 bit pointers.
5007
5008 2005-08-31  Richard Henderson  <rth@redhat.com>
5009
5010         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5011         component-like references for setting MEM_NOTRAP_P.
5012
5013         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5014         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5015
5016 2005-08-31  Richard Henderson  <rth@redhat.com>
5017
5018         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5019         into a pseudo before applying gen_lowpart.
5020
5021 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
5022
5023         * doc/install.texi (Specific): Update cctools version required
5024         for full functionality.
5025         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5026         linkers as -macosx_version_min.
5027
5028 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
5029
5030         PR target/21255
5031         * sh.c (print_operand, %R and %S): Add handling of floating point
5032         registers, memory, constants and invalid operands.
5033
5034 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
5035
5036         * ipa-pure-const.c: Change dump name.
5037
5038 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5039
5040         PR target/23570
5041         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5042         to "reg_or_0_operand".
5043         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5044
5045 2005-08-31  Dale Johannesen  <dalej@apple.com>
5046
5047         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
5048         loops that count down.
5049
5050 2005-08-31  Richard Henderson  <rth@redhat.com>
5051
5052         PR rtl-opt/23601
5053         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5054         (fixup_eh_region_note): New.
5055         (reload_as_needed): Call it.
5056         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5057         don't call find_many_sub_basic_blocks; call verify_flow_info.
5058         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5059         (keep_stack_depressed): Likewise.
5060         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5061
5062 2005-08-31  Richard Henderson  <rth@redhat.com>
5063
5064         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5065         fp return matching.
5066
5067 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
5068
5069         * expr.c (expand_expr_real_1): Compare size of address
5070         mode to target's address mode size in deciding expansion of
5071         the constant address.
5072
5073 2005-08-31  Richard Guenther  <rguenther@suse.de>
5074
5075         PR middle-end/23477
5076         * expr.c (all_zeros_p): New function.
5077         (expand_expr_real_1): Handle the case of an all-zero
5078         non-addressable constructor separately.
5079
5080 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
5081
5082         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5083         arguments, adjust all callers.
5084         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5085
5086 2005-08-30  Richard Henderson  <rth@redhat.com>
5087
5088         PR target/23630
5089         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5090         whenever the mode sizes match.
5091
5092 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
5093
5094         * calls.c (load_register_parameters): Fix comment typo.
5095         * expr.c (emit_push_insn): Comment formatting.
5096
5097 2005-08-30  Ian Lance Taylor  <ian@airs.com>
5098
5099         * config/i386/x-cygwin (host-cygwin): Change dependency from
5100         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5101
5102 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
5103
5104         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5105         parts of 'vals'.
5106
5107 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
5108
5109         PR middle-end/23408
5110         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5111         call to ggc_collect.
5112
5113 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
5114
5115         PR bootstrap/21268
5116         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5117         beginning.  Remove $(INCLUDES) from all the rules, if following
5118         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5119
5120 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
5121
5122         PR middle-end/23484
5123         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5124         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5125         not constant, but maxlen is, don't set len to maxlen, rather
5126         set maxlen to len if len is a constant.
5127
5128 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
5129
5130         PR tree-optimization/23475
5131         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5132         and counts.
5133
5134 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
5135
5136         Fix PR middle-end/22455
5137
5138         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5139         Checksum only the parts of the tree that exist for the tree code.
5140
5141 2005-08-28  Dale Johannesen  <dalej@apple.com>
5142
5143         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
5144
5145 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
5146
5147         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5148
5149 2005-08-28  Richard Henderson  <rth@redhat.com>
5150
5151         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5152         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5153         of char_type_node.
5154
5155 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
5156
5157         PR ada/23593
5158         * builtins.c (get_memory_rtx): Don't strip nops
5159         in between COMPONENT_REFs.
5160
5161 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
5162
5163         PR middle-end/23463
5164         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5165         types.
5166         (gimplify_modify_expr): Check for zero sized types and gimplify the
5167         rhs and lhs as statements.
5168
5169 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
5170
5171         PR libgcj/23508
5172         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5173         state for return address column of signal frames.
5174
5175 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
5176
5177         PR target/23539
5178         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5179         bytes >= 2 not bytes == 2.
5180         (expand_block_move): Same.
5181
5182 2005-08-27  Richard Guenther  <rguenther@suse.de>
5183
5184         PR target/23575
5185         * config/i386/sse.md (sse2_movsd): Add missing closing
5186         braces.
5187
5188 2005-08-27  Paul Brook  <paul@codesourcery.com>
5189
5190         * genrecog.c (enum decision_type): Add DT_num_insns.
5191         (struct decision_test): Add u.num_insns.
5192         (add_to_sequence): Add DT_num_insns test.
5193         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5194         (write_cond, debug_decision_2): Ditto.
5195         (change_state): Assume peep2_next_insn never fails.
5196         Remove "afterward" argument.
5197         (write afterward, write_tree): Update to match.
5198         * recog.c (peep2_current_count): New variable.
5199         (peep2_next_insn): Check it.
5200         (peephole2_optimize): Set peep2_current_count.
5201         * recog.h (peep2_current_count): Declare.
5202
5203 2005-08-26  Josh Conner  <jconner@apple.com>
5204
5205         PR middle-end/23584
5206         * ipa-pure-const.c (check_tree): Check for volatile-ness
5207         when considering a dereference.
5208
5209 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
5210
5211         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5212
5213 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
5214
5215         PR rtl-optimization/23561
5216         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
5217         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5218         at most LEN bytes long memory fits into the field.
5219         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5220         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5221         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5222
5223 2005-08-26  Richard Henderson  <rth@redhat.com>
5224
5225         PR rtl-opt/23560
5226         * loop.c (biased_biv_may_wrap_p): New.
5227         (maybe_eliminate_biv_1): Use it to suppress non-equality
5228         comparison transformations.  Delete disabled code.
5229
5230 2005-08-26  Ian Lance Taylor  <ian@airs.com>
5231
5232         * combine.c (make_extraction): Avoid reference outside object.
5233
5234 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
5235
5236         * stor-layout.c (finalize_type_size): Restore behaviour for
5237         non-aggregate types to the status quo ante of the patch for
5238         pr 23467.  Document why it matters.
5239
5240 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
5241
5242         PR c/23506
5243         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5244         array by one element, initialize the BT_LAST element with NULL.
5245
5246 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
5247
5248         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5249         optimizing for size.
5250         (plus_eqsi): Same.
5251         (compare_plus_eqsi): Same.
5252         (plus_eqsi_compare): Same.
5253         (neg_eq0<mode>): Same.
5254         (neg_eq<mode>): Same.
5255
5256         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5257         PROCESSOR_POWER4.
5258
5259 2005-08-26  Nick Clifton  <nickc@redhat.com>
5260
5261         * config/v850/v850.c (ep_memory_operand): Return FALSE if
5262         TARGET_EP is not defined.
5263         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5264         TARGET_EP is enabled.
5265         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5266         * config/v850/v850.md (save_all_interrupt): Only use the EP
5267         register if TARGET_EP is defined.
5268         (restore_all_interrupt): Likewise.
5269         * config/v850/lib1funcs.asm: Update functions so that the EP
5270         register is only used if __EP__ is defined.
5271
5272 2005-08-26  David Ung  <davidu@mips.com>
5273
5274         * config/mips/mips.c (mips_expand_prologue): Handle case when
5275         generating for MIPS16 and the outgoing argument area is more than
5276         SMALL_OPERAND. Use the frame pointer as temporary to generate the
5277         add instruction.
5278
5279 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
5280
5281         * config/crx/crx.md: Make doloop_end pattern usage controllable
5282         via mloop-nesting=<max-nesting> command line switch. Make sure
5283         the combiner cannot use doloop_end_<mode> in an illegal way.
5284         * config/crx/crx.c: Use regs up to r6 for argument passing.
5285         Refine crx_address_cost (non cst4 displacements are expensive).
5286         * config/crx/crx.opt: Add switch for mloop-nesting=.
5287
5288 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
5289
5290         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5291         (UNSPEC_MVST): New constant.
5292
5293 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
5294
5295         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5296         Reject operands containing eliminable registers.
5297         * testsuite/gcc.dg/20050825-1.c: New testcase.
5298
5299 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
5300             Jan Hubicka  <jh@suse.cz>
5301
5302         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5303
5304 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
5305
5306         PR tree-optimization/23546
5307         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5308         and REAL_CST nodes.
5309
5310 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
5311
5312         * params.def (PARAM_MIN_SPEC_PROB): New.
5313         * sched-rgn.c (MIN_PROBABILITY): Delete.
5314         (compute_trg_info): Convert to PARAM_VALUE.
5315         * doc/invoke.texi (param): Document min-spec-prob.
5316
5317 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
5318
5319         * config/darwin.h: define __PIC__
5320         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5321         TARGET_OS_CPP_BUILTINS macro.
5322
5323 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
5324
5325         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5326         yesterday.
5327
5328 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
5329
5330         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5331         to duplicate_block.
5332         * cfghooks.c (duplicate_block): Added position where to place
5333         new block as argument.
5334         * cfghooks.h (duplicate_block): Declaration changed.
5335         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
5336         duplicate_block.
5337         * cfglayout.h (copy_bbs): Declaration changed.
5338         * cfgloop.h (loop_version): Declaration changed.
5339         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5340         position to copy_bbs.
5341         (loop_version): Pass position to duplicate_loop_to_header_edge.
5342         Add place_after argument and position new blocks according to
5343         it.
5344         * modulo-sched.c (sms_schedule): Pass place_after argument
5345         to loop_version.
5346         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5347         * tree-cfg.c (split_edge_bb_loc): New function.
5348         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5349         to determine position of new blocks.
5350         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5351         to loop_version.
5352         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5353         argument to duplicate_block.
5354         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5355         Pass position to copy_bbs.
5356
5357 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
5358
5359         * fold-const.c (ptr_difference_const): Use
5360         cst_and_fits_in_hwi instead of host_integerp.
5361
5362 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
5363
5364         * config/darwin.c (gen_pic_offset): New.
5365         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
5366         Use it.
5367
5368 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
5369
5370         PR tree-optimization/23486
5371         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5372
5373 2005-08-23  Phil Edwards  <phil@codesourcery.com>
5374
5375         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
5376         remove use_collect2.
5377         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
5378
5379         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
5380         configuration files to override the default value.
5381
5382         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
5383         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5384         * config/vx-common.h:  New file, split out from...
5385         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
5386         * config/vxworksae.h:  New file, for VxWorks AE.
5387         * config/vxworks.opt:  New file.
5388         * config/vxlib.c:  Update for VxWorks 6.
5389
5390         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
5391         other MULTILIB_* variables appropriately.
5392         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
5393         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
5394         * config/rs6000/vxworks.h:  Update for VxWorks 6.
5395         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
5396
5397 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
5398
5399         PR target/20799
5400         * config/darwin.c (machopic_select_section): Remove the hack to
5401         mark "::operator new" and "::operator delete" for coalescing
5402         even though they are not weak.
5403
5404 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
5405
5406         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5407         * configure: Regenerate.
5408
5409 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
5410
5411         PR middle-end/23517
5412         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5413         between vectors.
5414         * convert.c (convert_to_integer, convert_to_vector): Likewise.
5415         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5416         Likewise.
5417
5418 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
5419
5420         * config/rs6000/predicates.md (equality_operator): New.
5421         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5422         comparison with a large constant.
5423
5424 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
5425
5426         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5427
5428 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
5429
5430         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5431         registers is even, and we have a hardware double precision fp,
5432         align the buffer.
5433         (sh_gimplify_va_arg_expr): For floating point arguments, consider
5434         size of current argument when checking if argument was passed in
5435         registers.
5436
5437         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5438
5439         PR middle-end/23467
5440         * stor-layout.c (finalize_type_size): Dont override
5441         existing alignment with a smaller alignment from the mode.
5442
5443 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5444
5445         * lambda-code.c (lambda_vector_lexico_pos): Moved...
5446         * lambda.h (lambda_vector_lexico_pos): ... here.
5447         * tree-data-ref.c (build_classic_dist_vector): Return false when
5448         the distance vector is lexicographically negative.
5449
5450 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
5451
5452         PR tree-optimization/23511
5453         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5454         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5455
5456 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
5457
5458         PR tree-optimization/22043
5459         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5460         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5461         If ALLOW_FLEXARR, handle types ending with flexible array member.
5462         Pass false as second argument to recursive count_type_elements calls.
5463         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5464         argument to count_type_elements call.
5465         * tree-sra.c (decide_block_copy): Likewise.
5466         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5467         for a constant-sized object, set cleared as well.  Pass true as
5468         second argument to count_type_elements call.
5469
5470 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5471
5472         PR target/21571
5473         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5474         from legitimate_small_data_p, and make global.  Update use.
5475         Remove forward declaration.
5476         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5477         Declare.
5478         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5479
5480 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
5481
5482         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5483         of scratch intermediates.
5484         (eq<mode>_compare): Same.
5485         (neg_eq0<mode>): New.
5486         (neg_eq<mode>): Convert to define_insn_and_split.
5487
5488 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
5489
5490         PR target/23070
5491         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5492         stdarg functions, set/clear the fp marker even when no variable
5493         args are passed.
5494         * config/rs6000/sysv4.opt (mprototype): Describe.
5495
5496 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
5497
5498         PR rtl-optimization/23478
5499         * regs.h (reg_info): Add throw_calls_crossed.
5500         (REG_N_THROWING_CALLS_CROSSED): Define.
5501         * flow.c (allocate_reg_life_data): Initialize
5502         REG_N_THROWING_CALLS_CROSSED.
5503         (propagate_one_insn, attempt_auto_inc): Update
5504         REG_N_THROWING_CALLS_CROSSED.
5505         * global.c (global_alloc): Don't allocate pseudos across
5506         calls that may throw.
5507
5508 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
5509
5510         PR c/18715
5511         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5512         value is inbetween the range if we did not find an exact match.
5513
5514 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
5515
5516         * doc/invoke.texi (Option Summary): Add ms1 options.
5517         * doc/extend.texi: Document interrupt handler attribute for ms1.
5518         * doc/md.texi: Document ms1 constraints.
5519         * config.gcc: Add ms1-*-elf.
5520         * config/ms1/ms1.h: New.
5521         * config/ms1/ms1.c: New.
5522         * config/ms1/ms1.md: New.
5523         * config/ms1/ms1-protos.h: New.
5524         * config/ms1/ABI.txt: New.
5525         * config/ms1/crti.asm: New.
5526         * config/ms1/crtn.asm: New.
5527         * config/ms1/lib2extra-funcs.c: New.
5528         * config/ms1/t-ms1: New.
5529         * config/ms1/ms1.opt: New.
5530
5531 2005-08-22 Ira Rosen <irar@il.ibm.com>
5532
5533         * config/rs6000/altivec.md (xorv4sf3): New.
5534         (negv4sf2, neg<mode>2): Likewise.
5535
5536 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
5537
5538         PR target/23485
5539         * config/ia64/ia64.md (divsi3): Check divide by zero.
5540         (udivsi3): Likewise.
5541         (divdi3): Likewise.
5542         (udivdi3): Likewise.
5543
5544 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
5545
5546         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5547         up to elem_bitsize bits, not max_bitsize.
5548
5549 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5550
5551         PR tree-optimization/23433
5552         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5553         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5554
5555 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
5556
5557         PR tree-optimization/23434
5558         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5559         the iteration bound is not an INTEGER_CST.
5560
5561 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
5562
5563         * tree-vect-transform.c (get_initial_def_for_reduction): Set
5564         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5565         NULL if need_epilog_adjust is false.
5566         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5567         Case 3 always peels first itration, not just for PLUS case, and no need
5568         to use scalar_initial_def here. Create an epilog adjustment only if
5569         scalar_initial_def is not NULL.
5570
5571         (vectorizable_reduction): Remove assert.
5572
5573 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
5574
5575         PR target/23485
5576         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5577         (__moddi3): Likewise.
5578         (__udivdi3): Likewise.
5579         (__umoddi3): Likewise.
5580         (__divsi3): Likewise.
5581         (__modsi3): Likewise.
5582         (__udivsi3): Likewise.
5583         (__umodsi3): Likewise.
5584
5585 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
5586
5587         * tree-pass.h (TDF_GRAPH): Define.
5588         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5589         * passes.c (finish_optimization_passes): Only call
5590         finish_graph_dump_file if TDF_GRAPH is set.
5591         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5592         NULL.  Set TDF_GRAPH bit.
5593         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5594
5595 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
5596
5597         * arm.h (arm_stack_offsets): Add locals_base field.
5598         * arm.c (arm_get_frame_offsets): Compute it.
5599         (thumb_compute_initial_elimination offset): Make the Thumb frame
5600         pointer point to the base of the local variables.
5601         (thumb_expand_prologue): Update accordingly.
5602         (thumb_expand_epilogue): Likewise.
5603
5604         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
5605         mode of clobbered scratch to DImode.  Handle a case that's known to
5606         need this.
5607
5608 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
5609
5610         * config/rs6000/rs6000.md (gt0<mode>): Delete.
5611         (gt0<mode>_compare): Delete.
5612         (neg_gt0<mode>): Delete.
5613
5614 2005-08-19  Eric Christopher  <echristo@apple.com>
5615
5616         * optabs.h: Change CTI_ to COI_.
5617         * optabs.c: Ditto.
5618
5619 2005-08-19  James E Wilson  <wilson@specifix.com>
5620
5621         * builtins.c (expand_builtin_return_addr): Set
5622         current_function_accesses_prior_frames when count != 0.  Use
5623         frame_pointer_rtx when count == 0.
5624         * function.h (struct function): Add accesses_prior_frames field.
5625         (current_function_accesses_prior_frames): Define.
5626         * reload1.c (init_elim_table): Check
5627         current_function_accesses_prior_frames.
5628         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5629
5630 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5631
5632         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5633         indicator.  Return true if the flowgraph changed during
5634         cleanup.
5635
5636 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5637
5638         PR 23476
5639         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5640         conditional expression before testing its value.
5641
5642 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
5643
5644         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5645
5646 2005-08-19  Devang Patel  <dpatel@apple.com>
5647
5648         PR tree-optimization/23048
5649         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5650         third parameter. Check whether latch is dominated by exit
5651         block or not.
5652         (if_convertible_loop_p): Supply exit block itself to
5653         if_convertible_bb_p.
5654
5655 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5656
5657         PR target/23473
5658         * arm.md (arm_load_pic_register): Change argument to the mask of
5659         saved registers.  Call thumb_find_work_register if we need a
5660         scratch register on Thumb.
5661         (arm_expand_prologue): Pass empty register set to
5662         arm_load_pic_register.
5663         (thumb_expand_prologue): Pass live_regs_mask directly to
5664         arm_load_pic_register.
5665         * arm-protos.h (arm_load_pic_register): Update prototype.
5666
5667 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
5668
5669         * sh.c (find_sole_member): New function.
5670         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5671         if the record's alignment is larger than the size of its only member.
5672
5673 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
5674
5675         PR target/23436
5676         * arm.c (thumb_legitimize_reload_address): New function.
5677         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5678         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5679
5680 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
5681
5682         * config/crx/crx.c: Implement crx_decompose_address. Reject
5683         symbolic displacements since CRX register relative adressing
5684         mode can't handle unsigned 32-bit values as displacements.
5685         * config/crx/crx.h: Simplify definitions, remove redundant
5686         parenthesis and obsolete macros.
5687         * config/crx/crx.opt: Add new switch for debugging addresses.
5688         * config/crx/crx-protos.h: Add new declarations for above.
5689
5690 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
5691
5692         PR middle-end/20624
5693         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5694         looking past it.
5695
5696 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5697
5698         * collect2.c (dup2): Delete.
5699         * configure.ac: Don't check for dup2.
5700
5701         * config.in, configure: Regenerate.
5702
5703 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
5704
5705         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5706         record with the type of its only member.
5707
5708 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
5709
5710         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5711         define_insn_and_split.
5712         (plus_ltu<mode>_compare): Same.
5713         (gtu<mode>_compare): Same.
5714         (plus_gtu<mode>_compare): Same.
5715
5716 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
5717
5718         PR tree-optimization/22228
5719         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5720         todo_flags_start.
5721         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5722         are recorded in vect_vnames_to_rename for renaming.
5723         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5724         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5725         in vect_vnames_to_rename.
5726         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5727         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5728
5729 2005-08-18  Jan Hubicka  <jh@suse.cz>
5730
5731         PR c++/22034
5732         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5733         info only for local statics, not for member variables.
5734
5735 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5736
5737         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5738
5739 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5740
5741         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5742
5743 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
5744
5745         PR middle-end/16045
5746         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5747
5748 2005-08-17  James E Wilson  <wilson@specifix.com>
5749
5750         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5751         array size check.
5752
5753 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
5754
5755         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5756         (leu<mode>_compare): Same.
5757         (plus_leu<mode>): Same.
5758         (neg_leu<mode>): Same.
5759         (and_neg_leu<mode): Same.
5760         (ltu<mode>_compare): Same.
5761         (plus_ltu<mode>): Same.
5762         (geu<mode>): Same.
5763         (geu<mode>_compare): Same.
5764         (plus_geu<mode>): Same.
5765         (neg_geu<mode>): Same.
5766         (and_neg_geu<mode>): Same.
5767         (plus_gt<mode>): Same.
5768         (gtu<mode>_compare): Same.
5769         (plus_gtu<mode>): Same.
5770
5771 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
5772
5773         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5774         Move call_table_data to end.  Delete spurious .text.
5775         (callt_save_all_interrupt): Fix comment typo.
5776
5777 2005-08-17  James E Wilson  <wilson@specifix.com>
5778             Kevin Winchester  <winchester@amirix.com>
5779
5780         PR target/21684
5781         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5782
5783 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
5784
5785         PR target/23268
5786         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5787         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5788
5789 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
5790
5791         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5792         record with the type of its only member if the modes don't match.
5793
5794         * varasm.c (decode_reg_name): Skip empty additional register names.
5795
5796 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
5797
5798         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5799         lsm_tmp_name_length): New.
5800         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5801         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5802
5803 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5804             Andreas Krebbel  <krebbel1@de.ibm.com>
5805
5806         * config.gcc: Added z9-109 switch.
5807         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5808         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5809         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5810         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5811         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5812         for "z9_109" cpu attribute.
5813         * config/s390/s390.c (z9_109_cost): New processor cost structure.
5814         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5815         (s390_handle_arch_option): Added z9-109 switch.
5816         (override_options): Set respective cost function for z9-109.
5817         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5818         (legitimate_reload_constant_p): Accept extended immediates.
5819         (print_operand): Three new output modifiers added: k, m and o.
5820         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5821         (s390_output_mi_thunk): Use extended immediate when possible.
5822         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5823         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5824         (CONSTRAINT_LEN): Added length of O constraint.
5825         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5826         * config/s390/s390.md ("cpu"): New value z9_109 added.
5827         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5828         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5829         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5830         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5831         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5832         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5833         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5834         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5835         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5836         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5837         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5838         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5839         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5840         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5841         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5842         immediates.
5843         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5844         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5845         insns for TARGET_EXTIMM.
5846
5847 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5848
5849         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5850
5851 2005-08-17  Nick Clifton  <nickc@redhat.com>
5852
5853         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5854         Call default_encode_section_info.
5855
5856 2005-08-17  Steven Bosscher  <stevenb@suse.de>
5857
5858         PR tree-optimization/21574
5859         * tree-ssa-ccp.c (likely_value): If the right hand side is a
5860         constant, return CONSTANT.
5861         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5862         (ccp_fold, visit_assignment): Likewise.
5863         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5864
5865 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
5866
5867         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5868         fold_buildN instead of buildN then fold_initializer or fold.
5869         (build_unary_op): Likewise.
5870         (build_binary_op): Likewise.
5871         * fold-const.c (fold_initializer): Remove.
5872         (fold_build1_initializer): New function.
5873         (fold_build2_initializer): New function.
5874         (fold_build3_initializer): New function.
5875         * tree.h (fold_initializer): Remove.
5876         (fold_build1_initializer): New function.
5877         (fold_build2_initializer): New function.
5878         (fold_build3_initializer): New function.
5879
5880 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
5881
5882         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5883         (try_move_mult_to_index): Call fold_build2 instead of build2.
5884         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5885         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5886         fold_binary_to_constant.
5887         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5888         fold (build.
5889         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5890         check if A == gcd (A, B).  Remove TYPE argument.
5891         (analyze_offset) Use fold_build2 instead of fold (build.
5892         (create_data_ref): Likewise.
5893         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5894         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5895         then fold.
5896
5897 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
5898
5899         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5900         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5901
5902 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
5903
5904         PR tree-opt/23402
5905         * gimplify.c (zero_sized_type): New function.
5906         (gimplify_modify_expr_rhs): If we have a zero sized type,
5907         replace the statement with an empty statement.
5908
5909 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5910
5911         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5912         fxsave.
5913
5914 2005-08-16  Ian Lance Taylor  <ian@airs.com>
5915
5916         * doc/tm.texi (Label Output): Correct typo.
5917
5918 2005-08-16  Steven Bosscher  <stevenb@suse.de>
5919
5920         PR target/23376
5921         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5922         force_operand will work later on using have_insn_for.
5923
5924 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5925
5926         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5927
5928 2005-08-16  Ian Lance Taylor  <ian@airs.com>
5929
5930         PR c++/23337
5931         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5932         vector type, don't try to construct it element by element.  Add an
5933         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5934
5935 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5936
5937         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5938
5939 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
5940
5941         * doc/invoke.texi (Precompiled Headers): Document some more options
5942         which are known to be safe.
5943
5944 2005-08-16  James E Wilson  <wilson@specifix.com>
5945
5946         PR tree-optimization/21105
5947         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5948         TREE_OVERFLOW check.
5949
5950 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
5951
5952         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5953         (neg_ltu<mode>): Same.
5954         (gtu<mode>): Same.
5955         (neg_gtu<mode>): Same.
5956
5957 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5958
5959         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5960         (fold_builtin_isdigit): Use fold_buildN.
5961         (build_function_call_expr): Likewise.
5962         * c-typeck.c (c_finish_loop): Likewise.
5963
5964 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
5965             Richard Shann <rshann@superh.com>
5966
5967         PR middle-end/20396:
5968         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5969
5970 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
5971
5972         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5973
5974 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
5975
5976         PR target/23355
5977         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5978         arm_compure_save_reg0_reg12_mask to determine when the PIC register
5979         must be saved.
5980
5981 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5982
5983         PR middle-end/23369
5984         * fold-const.c (build_range_check): Disable optimization for function
5985         pointer expressions on targets that require function pointer
5986         canonicalization.
5987
5988 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
5989
5990         * simplify-rtx.c (simplify_const_relational_operation): When
5991         extracting arguments of a COMPARE, recompute the mode as well.
5992
5993 2005-08-15  Ian Lance Taylor  <ian@airs.com>
5994
5995         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5996
5997 2005-08-15  DJ Delorie  <dj@redhat.com>
5998
5999         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6000         the stack.
6001         (movsi_splittable): Allow, but split, moves to the stack.
6002         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6003         stack.
6004
6005 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6006
6007         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6008         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6009         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6010
6011         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6012         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6013         Delete HOST_PTR_PRINTF.
6014
6015         * configure, config.in: Regenerate.
6016
6017 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
6018
6019         * config/rs6000/rs6000.md (QHSI): New mode macro.
6020         (wd): Extend mode attr for QImode and HImode
6021         (dbits): New mode attr.
6022         (zero_extend<mode>di2): Convert to mode macro.
6023
6024 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
6025
6026         PR target/21841
6027         * doc/invoke.texi (-mgnu-ld): Update description.
6028         (-mhp-ld): Ditto.
6029
6030 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6031
6032         PR 23391
6033         * Makefile.in (tree-chrec.o): Depends on real.h.
6034         * tree-chrec.c: Include real.h.
6035         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6036         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6037         * tree-scalar-evolution.c (add_to_evolution_1,
6038         interpret_rhs_modify_expr): Ditto.
6039
6040 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
6041
6042         PR 23386
6043         * tree-data-ref.c (estimate_niter_from_size_of_data): When
6044         step is negative compute the estimation from init downwards to zero.
6045
6046 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
6047
6048         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6049
6050 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6051
6052         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6053         constraint.
6054         (legitimate_reload_constant_p): Fix handling of lliXX operands.
6055         Accept double-word constants that can be split.
6056         * config/s390/s390.md ("movti"): Use 'P' constraint.
6057         ("*movdi_31", "*movdf_31"): Likewise.
6058
6059 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
6060
6061         Fix PR tree-optimization/22615
6062
6063         * tree-ssa-structalias.c (solution_set_add): Handle
6064         first_vi_for_offset returning NULL.
6065         (do_da_constraint): Ditto.
6066         (do_sd_constraint): Ditto.
6067         (do_ds_constraint): Ditto
6068         (find_func_aliases): Ditto.
6069         (build_constraint_graph): RHS is allowed be ANYTHING.
6070         (first_vi_for_offset): Return NULL if we couldn't find anything at
6071         the offset.
6072
6073 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
6074
6075         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6076         over memory as first operand.
6077
6078 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
6079
6080         PR target/23360
6081         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6082         available for setting it.
6083
6084 2005-08-14  Ira Rosen  <irar@il.ibm.com>
6085
6086         PR tree-optimization/23320
6087         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6088         data-refs' types instead of base object nullness. Add check for
6089         pointer type data-refs before first location comparison. Remove
6090         assert.
6091
6092 2005-08-14  Andreas Schwab  <schwab@suse.de>
6093
6094         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6095
6096 2005-08-13  James E Wilson  <wilson@specifix.com>
6097
6098         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6099         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6100         -fstack-protector-all, --param ssp-buffer-size): Document.
6101         (-Wvariadic-macros): Alphabetize.
6102         (-fsched-stalled-insns-dep): Add missing 'f'.
6103
6104         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6105         macros.
6106
6107 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
6108
6109         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6110         or indirect address operand.
6111         (EXTRA_ADDRESS_CONSTRAINT): New.
6112         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6113
6114 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
6115
6116         PR tree-optimization/22236
6117         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6118         successors and predecessors.
6119         * tree-chrec.c (chrec_convert): Before converting, check that
6120         sequences don't wrap.
6121         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6122         (analyze_array): Extern.
6123         (find_data_references_in_loop): Remove call to
6124         compute_estimated_nb_iterations.
6125         * tree-data-ref.h (analyze_array): Declared.
6126         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6127         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6128         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6129         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6130         condition.
6131         * tree-ssa-loop-ivcanon.c: Fix documentation.
6132         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6133         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6134         (infer_loop_bounds_from_undefined): New.
6135         (estimate_numbers_of_iterations_loop): Use
6136         infer_loop_bounds_from_undefined.
6137         (used_in_pointer_arithmetic_p): New.
6138         (scev_probably_wraps_p): Pass an extra parameter.  Call
6139         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
6140         (convert_step): Fix documentation.
6141         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6142         Use initial_condition_in_loop_num and evolution_part_in_loop_num
6143         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
6144         scev_probably_wraps_p.
6145
6146 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
6147
6148         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6149         (s390_register_info): Ignore clobbered_regs information for fixed
6150         registers, and only fixed registers.
6151         (s390_init_frame_layout): Remove redundant call.
6152
6153 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
6154
6155         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6156         description of -Wold-style-casts.
6157
6158 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6159             Jakub Jelinek  <jakub@redhat.com>
6160
6161         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6162         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6163         * config/s390/s390.c (print_operand): New output modifier 'G' added.
6164         (get_thread_pointer): Renamed to s390_get_thread_pointer.
6165         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6166         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6167         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6168         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6169         ("stack_protect_set", "stack_protect_test"): New expanders.
6170         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6171         "stack_protect_testdi"): New insn definitions.
6172
6173 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6174
6175         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6176
6177 2005-08-12  Paul Brook  <paul@codesourcery.com>
6178
6179         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6180
6181 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6182
6183         * config/s390/predicates.md (setmem_operand): New predicate.
6184         (shift_count_operand): Accept ANDs with special constants as
6185         operand.
6186         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6187         with special constants.
6188         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6189         shift_count_operand with setmem_operand.
6190
6191 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6192
6193         * config/s390/s390.c (s390_extract_part, s390_single_part):
6194         Type cast added.
6195         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6196         (s390_output_mi_thunk): Don't use lg on 31 bit.
6197         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6198         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6199
6200 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6201
6202         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6203         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6204         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6205         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6206         with one of the new macros.
6207
6208 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6209
6210         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6211         Don't set save_return_addr_p.
6212         (s390_register_info): Make clobbered_regs not depending on
6213         save_return_addr_p.
6214
6215 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
6216
6217         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6218         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6219
6220 2005-08-11  James E. Wilson  <wilson@specifix.com>
6221
6222         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6223
6224 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
6225
6226         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6227         locations gathered by var-tracking in single entry loc_list
6228         over loc_descriptor_from_tree.
6229
6230         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6231         pass it down to loc_descriptor.
6232         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6233         (containing_function_has_frame_base): Move earlier in the file.
6234         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6235         instead of always assuming fbreg can't be used.
6236
6237 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
6238
6239         * config/rs6000/altivec.md: Change constraint "m" to "Z".
6240         * config/rs6000/predicates.md (indexed_or_indirect_operand):
6241         Accept address wrapped in AND for Altivec.
6242         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6243         Strip AND wrapping offset address for Altivec.
6244
6245 2005-08-11  Richard Henderson  <rth@redhat.com>
6246
6247         PR middle-end/23312
6248         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6249         before using TYPE_IS_SIZETYPE.
6250
6251 2005-08-11  Richard Henderson  <rth@redhat.com>
6252
6253         PR target/22225
6254         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6255         insn types not present on ev4.
6256         (alphaev5_insn_pipe): Similarly.
6257
6258 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6259
6260         PR target/23250
6261         * arm.c (arm_override_options): If the user has selected callee-super-
6262         interworking, then enable normal interworking.
6263
6264 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6265
6266         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6267         redefinition.
6268
6269 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
6270
6271         * doc/rtl.texi: Fix two typos.
6272
6273 2005-08-11  Richard Guenther  <rguenther@suse.de>
6274
6275         PR target/23289
6276         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6277         cases where we call to/from functions returning void.
6278
6279 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
6280
6281         PR c++/23225
6282         * tree.c (build_pointer_type_for_mode): Robustify.
6283
6284 2005-08-10  James E Wilson  <wilson@specifix.com>
6285
6286         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6287         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6288
6289         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6290         "cum->".
6291
6292 2005-08-10  Eric Christopher  <echristo@apple.com>
6293
6294         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6295         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6296         V2DFmode.
6297
6298 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
6299
6300         PR target/21887
6301         * config/darwin.c (machopic_indirect_data_reference): Use a new register
6302         for the high part when generating dynamic-no-pic code.
6303
6304 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
6305
6306         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6307         (x86_64-*-linux*): Likewise.
6308
6309         * config/i386/crtfastmath.c: New file.
6310         * config/i386/t-crtfm: Likewise.
6311
6312         * config/i386/linux.h (ENDFILE_SPEC): New.
6313         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6314
6315         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6316         crtfastmath.o.
6317
6318 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
6319
6320         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6321         (vec_shl, vec_shr): Document new operations.
6322         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6323
6324 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
6325
6326         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6327         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6328         change predicate to indexed_or_indirect_address.
6329
6330 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
6331
6332         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6333         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6334         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6335         and __aeabi_uwrite8.
6336         * config/arm/unaligned-funcs.c: New file.
6337         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6338
6339 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
6340
6341         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6342         Add dump.
6343         * cfglayout.c (pass_insn_locators_initialize): Add dump.
6344         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6345         Add dump.
6346         * except.c (pass_convert_to_eh_region_ranges): Add dump.
6347         * final.c (pass_shorten_branches): Add dump.
6348         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6349         (pass_life): Rename dump.
6350         (rest_of_handle_flow2): Remove initial verify_flow_info.
6351         * function.c (pass_instantiate_virtual_regs): Add dump.
6352         * integrate.c (pass_initial_value_sets): Add dump.
6353         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6354         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6355         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6356         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6357         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6358         gate_rtl_unrool_and_peel_loops): New.
6359         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6360         rtl_doloop): Do not look at flags.
6361         * mode-switching.c (pass_mode_switching): Add dump.
6362         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6363         pass_split_before_regstack): Add dump.
6364         * regmove.c (pass_stack_adjustments): Add dump.
6365         * tree-optimize.c (pass_fixup_cfg): Add dump.
6366
6367 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6368
6369         PR 23309
6370         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6371         deciding which instruction sequence to use.
6372
6373 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
6374
6375         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6376         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6377
6378 2005-08-09  Richard Guenther  <rguenther@suse.de>
6379
6380         * c-common.c (builtin_function_2): Remove.
6381         (def_builtin_1): New function.
6382         (c_common_nodes_and_builtins): Use def_builtin_1 to
6383         build builtin functions.
6384
6385 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
6386
6387         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6388         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6389         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6390         Visual DSP.
6391
6392 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
6393
6394         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6395         fold_binary instead of fold_build2 since we don't care about the
6396         resulting tree.
6397         (loop_niter_by_eval): Likewise.
6398         (compare_trees): Likewise.
6399         (proved_non_wrapping_p): Likewise.
6400
6401 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
6402
6403         PR c/23161
6404         PR c/23165
6405         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6406         if the if is really empty.
6407
6408 2005-08-09  Steven Bosscher  <stevenb@suse.de>
6409
6410         PR tree-optimization/23234
6411         * tree-ssa-math-opts.c (place_reciprocal): New enum.
6412         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6413         argument of the new enum.
6414         (execute_cse_reciprocals): Add reciprocals for function arguments
6415         on the unique successor edge of the entry block.  Update other calls
6416         to execute_cse_reciprocals_1.
6417
6418 2005-08-08  Richard Henderson  <rth@redhat.com>
6419
6420         PR 22439
6421         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6422
6423 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
6424
6425         * expr.c (write_complex_part): Return after handling MEM.
6426
6427 2005-08-08  Josh Conner  <jconner@apple.com>
6428
6429         PR rtl-optimization/23241
6430         * combine.c (simplify_comparison): Fix error in determining
6431         whether to lift a subreg from comparison.
6432
6433 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
6434
6435         PR target/18506
6436         * config/rs6000/altivec.md (vec_init<mode>): New.
6437         (vec_set<mode>): New.
6438         (vec_extract<mode>): New.
6439         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6440         (rs6000_expand_vector_set): New.
6441         (rs6000_expand_vector_extract): New.
6442         (rs6000_legitimate_offset_address_p): Offset addresses are valid
6443         for Altivec modes before reload.
6444         (altivec_expand_vec_init_builtin): New.
6445         (get_element_number): New.
6446         (altivec_expand_vec_set_builtin): New.
6447         (altivec_expand_vec_ext_builtin): New.
6448         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6449         builtins.
6450         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6451         builtins.
6452         * config/rs6000/rs6000.h (rs6000_builtins): Add
6453         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6454         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6455         * config/rs6000/rs6000-protos.h: Declare new functions.
6456
6457 2005-08-08  Jan Hubicka  <jh@suse.cz>
6458
6459         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6460         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6461         * i386.md (movdi*): Use pic_32bit_operand.
6462         * predicates.md (pic_32bit_operand): New.
6463
6464 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
6465
6466         PR c++/21166
6467         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6468
6469 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
6470
6471         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6472         (test_for_singularity): Use fold_build2.
6473
6474 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6475
6476         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6477
6478 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
6479
6480         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6481         (COMMON_ASM_OP) Define.
6482         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6483         (ix86_encode_section_info): Likewise.
6484         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6485         SUBTARGET_ENCODE_SECTION_INFO.
6486
6487 2005-08-06  Richard Henderson  <rth@redhat.com>
6488
6489         PR 21894
6490         * tree-nested.c (convert_local_reference): Save and restore val_only
6491         around component_ref and friends.  Clear walk_subtrees by default.
6492
6493 2005-08-06  Peter O'Gorman  <peter@pogma.com>
6494
6495         PR 21366
6496         * gcc.c (process_command): Check the argument to -b has a dash.
6497         * doc/invoke.texi: Update -b and -V docs.
6498
6499 2005-08-06  James E Wilson  <wilson@specifix.com>
6500
6501         * config/mips/cross64.h, config/mips/t-cross64: Delete.
6502
6503 2005-08-06  Michael Matz  <matz@suse.de>
6504
6505         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6506         member only if only one insn is associated with the value.
6507
6508 2005-08-06  Nick Clifton  <nickc@redhat.com>
6509
6510         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6511         New define.
6512         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6513         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6514         Check symbol flags instead of symbol name mangling.
6515         (xstormy16_asm_output_aligned_common): Likewise.  Also
6516         simplify code since the bss100_section cass is the only case
6517         where the below100 code will be triggered.
6518         (xstormy16_encode_section_info): Encode below100 attribute
6519         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6520         the name.
6521         (xstormy16_strip_name_encoding): Delete - this function is no
6522         longer needed.
6523         (TARGET_STRIP_NAME_ENCODING): Undefine.
6524         * config/stormy16/stormy16-protos.h: Delete prototype for
6525         xstormy16_strip_name_encoding.
6526
6527 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
6528
6529         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6530         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6531         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6532         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6533         config/alpha/predicates.md, config/arc/arc.h,
6534         config/arm/arm.h, config/arm/ieee754-df.S,
6535         config/arm/ieee754-sf.S, config/bfin/bfin.c,
6536         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6537         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6538         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6539         config/m68hc11/m68hc11.h, config/mips/mips.c,
6540         config/mips/mips.h, config/mips/openbsd.h,
6541         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6542         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6543         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6544         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6545         config/sparc/linux.h, config/sparc/linux64.h,
6546         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6547         doc/extend.texi, doc/gcov.texi, doc/install.texi,
6548         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6549         typos.  Follow spelling conventions.
6550
6551 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
6552
6553         PR c/23113
6554         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6555         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6556         specially.  Check for side effects only for COND_EXPR.
6557         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6558         return with TREE_NO_WARNING.
6559
6560 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
6561
6562         PR rtl-optimization/23233
6563         * loop.c (combine_movables): Require the modes to be the same.
6564         (move_movables): Remove handling of cases where the replacement
6565         had a different mode to the original.
6566
6567 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
6568
6569         PR tree-optimization/23128
6570         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6571         subtraction wrap, and set TREE_OVERFLOW if they do.
6572
6573 2005-08-05  Richard Henderson  <rth@redhat.com>
6574
6575         PR 21728
6576         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6577         FORCED_LABEL labels.
6578
6579 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
6580
6581         PR middle-end/23135
6582         * reload.c (find_reloads_subreg_address): Pass down TYPE
6583         unchanged.  Change all callers except find_reloads_toplev.
6584
6585 2005-08-05  Michael Matz  <matz@suse.de>
6586
6587         * genattrtab.c (current_alternative_string): Remove.
6588         (SIMPLIFY_ALTERNATIVE): Ditto.
6589         (attr_alt_bit_p): Ditto.
6590         (alternative_name): Make const char *.
6591         (evaluate_eq_attr): Remove use of above things.
6592         (simplify_test_exp): Ditto.
6593         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6594         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6595
6596 2005-08-04  James E Wilson  <wilson@specifix.com>
6597
6598         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6599         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6600         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6601         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6602         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6603
6604 2005-08-04  Richard Henderson  <rth@redhat.com>
6605
6606         PR 21529
6607         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6608         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6609         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
6610         if we'd have to instantiate too many members.
6611
6612 2005-08-04  Richard Henderson  <rth@redhat.com>
6613
6614         PR 21291
6615         * tree-outof-ssa.c (coalesce_asm_operands): New.
6616         (coalesce_ssa_name): Use it.  Split out ...
6617         (coalesce_phi_operands, coalesce_result_decls): ... these.
6618
6619 2005-08-04  Paul Brook  <paul@codesourcery.com>
6620
6621         * read-rtl.c (read_quoted_string): Break if EOF.
6622
6623 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
6624
6625         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6626         (fold_build2): Likewise.
6627         (fold_build3): Likewise.
6628         (fold_build1_stat): New function prototype.
6629         (fold_build2_stat): Likewise.
6630         (fold_build3_stat): Likewise.
6631         * fold-const.c (fold_build1): Rename to ..
6632         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6633         through to build1_stat.
6634         (fold_build2): Rename to ..
6635         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6636         through to build2_stat.
6637         (fold_build3): Rename to ..
6638         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
6639         through to build3_stat.
6640
6641 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
6642             Ian Lance Taylor  <ian@airs.com>
6643
6644         * function.c (assign_stack_local_1): Do not correct stack slot
6645         address if allocation size is smaller than mode size.
6646
6647 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
6648
6649         PR 22037
6650         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6651         (tree_merge_blocks): Propagate anything allowed by
6652         may_propagate_copy.
6653         Clarify documentation.
6654         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6655         SSA form, schedule an update if necessary.
6656
6657 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
6658
6659         * doc/install.texi (Binaries): Remove broken link to
6660         Sinix/Reliant Unix binaries.
6661
6662 2005-08-03  Richard Henderson  <rth@redhat.com>
6663
6664         PR 23221
6665         * function.c (stack_protect_epilogue): Export.
6666         * tree.h (stack_protect_epilogue): Declare.
6667         * calls.c (expand_call): Call it.
6668
6669 2005-08-03  Eric Christopher  <echristo@apple.com>
6670
6671         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6672         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6673         spec.
6674
6675 2005-08-04  Jan Hubicka  <jh@suse.cz>
6676
6677         * profile.c (branch_prob): Split edges with goto locus on them
6678         to get proper line counts.
6679         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6680
6681 2005-08-03  Paul Brook  <paul@codesourcery.com>
6682
6683         * function.c (assign_parms): Round current_function_args_size
6684         to PARM_BOUNDARY, not STACK_BOUNDARY.
6685
6686 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
6687
6688         * config/i386/i386.c (x86_elf_aligned_common)
6689         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6690
6691 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
6692
6693         PR tree-optimization/23157
6694         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6695         before emitting them.
6696
6697 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6698
6699         PR tree-optimization/19899
6700         * Makefile.in (tree-scalar-evolution.o): Add real.h.
6701         * tree-scalar-evolution.c: Include real.h.
6702         (add_to_evolution): Build constant -1 of correct type.
6703
6704 2005-08-03  Jan Hubicka  <jh@suse.cz>
6705
6706         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6707         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6708         profile updating for complette unrolling.
6709         * loop-unroll.c (peel_loop_completely): Use it.
6710         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6711         (tree_unroll_loops_completely): Disable code growing unrolling of cold
6712         loops.
6713
6714 2005-08-03  Paul Brook  <paul@codesourcery.com>
6715
6716         * combine.c (can_change_dest_mode): New function.
6717         (try_combine, simplify_set): Use it.
6718
6719 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
6720
6721         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6722         TFmode to BLKmode.
6723
6724 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
6725
6726         * doc/install.texi (Specific): Adjust link to openavr.org.
6727         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6728         (Binaries): Adjust HP-UX Porting Center link.
6729         (Binaries): Adjust Free Software Foundation ordering link.
6730
6731 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
6732
6733         * convert.c (convert_to_integer): Use fold_build1 instead of
6734         build1 when converting an integer to an integer.
6735
6736 2005-08-02  Richard Henderson  <rth@redhat.com>
6737
6738         * combine.c (combine_instructions): Don't use reg_equal/equiv
6739         results if the mode doesn't match.
6740
6741 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
6742
6743         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6744         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6745
6746 2005-08-02  Richard Henderson  <rth@redhat.com>
6747
6748         PR 23196
6749         * explow.c (memory_address): Remove special-case for
6750         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6751
6752 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
6753
6754         PR 23164
6755         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6756         number of calls to cleanup_tree_cfg_1.
6757
6758 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
6759
6760         * doc/invoke.texi: document file extensions .F90 and .F95
6761
6762 2005-08-02  Richard Guenther  <rguenther@suse.de>
6763
6764         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6765         positive if its first argument is positive.
6766
6767 2005-08-02  Richard Guenther  <rguenther@suse.de>
6768
6769         PR tree-optimization/23177
6770         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6771         on TMR_TAG.
6772
6773 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
6774
6775         PR tree-optimization/23129
6776         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6777         varying for divisions with anti-ranges.
6778
6779 2005-08-02  Jan Hubicka  <jh@suse.cz>
6780
6781         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6782         * tree-ssa-threadupdate.c (thread_block): Add it here.
6783
6784 2005-08-01  James E Wilson  <wilson@specifix.com>
6785
6786         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6787         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6788         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6789         New.
6790         * config/mips/predicates.md (const_call_insn_operand): Add check for
6791         SYMBOL_REF_LONG_CALL_P.
6792         * doc/extend.texi (long_call): Document the new attribute.
6793
6794 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6795             Richard Henderson  <rth@redhat.com>
6796
6797         * Makefile.in (RTL_BASE_H): Add real.h.
6798         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6799         instead of memcpy.
6800         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6801         directly.
6802         * rtl.c (rtl_check_failed_code_mode): New.
6803         * rtl.h (struct rtx_def): Add u.rv.
6804         (XCMWINT, XCNMPRV): New.
6805         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6806         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6807
6808 2005-08-01  Richard Henderson  <rth@redhat.com>
6809
6810         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6811         with auto-inc codes.
6812
6813         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6814
6815 2005-08-01  Jan Hubicka  <jh@suse.cz>
6816
6817         * i386-protos.h (asm_preferred_eh_data_format): Declare.
6818         * i386.c: Include dwarf2.h
6819         (asm_preferred_eh_data_format): New.
6820         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6821
6822 2005-08-01  Ian Lance Taylor  <ian@airs.com>
6823
6824         * config/host-linux.c (linux_gt_pch_get_address): Add new name
6825         randomize_va_space for virtual address randomization control.
6826
6827 2005-08-01  Steven Bosscher  <stevenb@suse.de>
6828
6829         * common.opt (flag_ipa_cp): Put in right place to maintain
6830         alphabetic sort.
6831
6832 2005-08-01  Jan Hubicka  <jh@suse.cz>
6833
6834         * profile.c (compute_value_histograms): Fix thinko.
6835         * value-prof.c: Include toplev.h
6836         (check_counter): New function.
6837         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6838         tree_mod_subtract_transform): Add sanity check.
6839
6840 2005-08-01  Richard Guenther  <rguenther@suse.de>
6841
6842         PR tree-optimization/23133
6843         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6844         current functions parameter decls to find defs to cse
6845         reciprocals of.
6846
6847 2005-08-01  Richard Guenther  <rguenther@suse.de>
6848
6849         PR tree-optimization/23109
6850         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6851         If trapping math is in effect, use post-dominator information
6852         to check if we'd in any case reach a trapping point before
6853         doing the reciprocal insertion.
6854         (execute_cse_reciprocals): Compute post-dominators, if necessary.
6855         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6856         expressions are invariant only if trapping math is not in effect.
6857
6858 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
6859
6860         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6861         cgraph_function_versioning): New declarations.
6862         * cgraphunit.c: Add include to ipa-prop.h.
6863         (update_call_expr, cgraph_copy_node_for_versioning,
6864         cgraph_function_versioning): New functions.
6865         * integrate.c (copy_decl_for_inlining): Remove.
6866         * ipa-prop.h (ipa_replace_map): New struct.
6867         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6868         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6869         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6870         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6871         ipcp_iterate_stage, ipcp_method_scale_print,
6872         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6873         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6874         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6875         ipcp_update_bb_counts, ipcp_update_profiling,
6876         ipcp_update_edges_counts): New functions.
6877         (ipcp_method_cval_init): Remove restriction regarding local methods.
6878         (ipcp_init_stage): Add ipcp_method_compute_scale.
6879         (ipcp_insert_stage): Add versioning.
6880         (ipcp_structures_print): Add ipcp_method_scale_print.
6881         (ipcp_driver): Dump profiling info.
6882         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6883         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6884         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6885         (struct inline_data): Add versioning_p, ipa_info, new fields.
6886         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6887         declare_return_variable): Replace calls to copy_decl_for_inlining with
6888         copy_decl_for_dup.
6889         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6890         versioning support.
6891         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6892         Add argument VERSIONING.
6893         (copy_arguments_for_versioning, copy_static_chain,
6894         function_versionable_p, tree_versionable_function_p,
6895         tree_function_versioning, replace_ref_tree): New functions.
6896         * tree-inline.h: Include varray.h.
6897         (tree_versionable_function_p,  tree_function_versioning,
6898         tree copy_decl_for_dup): New declarations.
6899
6900 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
6901
6902         * ipa-cp.c: New file. Contains IPCP specific functionality.
6903         * ipa-prop.h: New file. Contains structures/definitions that can be
6904         used by several interprocedural data flow optimizations (and also IPCP).
6905         * ipa-prop.c: New file.
6906         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6907         * common.opt: Add ipa-cp flag.
6908         * timevar.def: Add IPCP optimization.
6909         * tree-optimize.c (init_tree_optimization_passes): Schedule
6910         pass_ipa_cp.
6911         * tree-pass.h (pass_ipa_cp): Declare.
6912
6913 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
6914
6915         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6916         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6917         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6918         config/i386/i386.c, config/mips/mips.h,
6919         config/rs6000/rs6000.h, config/sh/sh.c,
6920         config/stormy16/stormy16.c: Fix comment typos.
6921
6922 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
6923
6924         PR c/22311
6925         * c-typeck.c (build_binary_op): Use common_type wrapper on
6926         shortened types.
6927         (common_type): Update comment.
6928
6929 2005-07-31  Steven Bosscher  <stevenb@suse.de>
6930
6931         PR target/23095
6932         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6933         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6934         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6935
6936 2005-07-31  Jan Hubicka  <jh@suse.cz>
6937
6938         * pretty-print.h (pp_widest_integer): New macro.
6939         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6940         counts.
6941
6942 2005-07-31  Jan Hubicka  <jh@suse.cz>
6943
6944         * output.h (enum section_category): Export from varasm.c
6945         (categorize_decl_for_section): Likewise.
6946         * varasm.c (enum section_category): Kill.
6947         (categorize_decl_for_section): Make global.
6948         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6949         Declare.
6950         * i386.c (ix86_section_threshold): New static variable.
6951         (ix86_in_large_data_p, ix86_encode_section_info,
6952         x86_64_elf_unique_section,
6953         x86_64_elf_select_section): New functions.
6954         (TARGET_ENCODE_SECTION_INFO): Define
6955         (override_options): Enable medium model for PIC.
6956         (ix86_expand_prologue): Expand gen_set_got_rex64.
6957         (legitimate_constant_p): Handle new UNSPECs.
6958         (legitimate_pic_address_disp_p): Likewise.
6959         (legitimize_pic_address): Lower MEDIUM model addressing.
6960         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6961         (enum cmodel): Add MEDIUM_PIC.
6962         (SYMBOL_REF_FAR_ADDR_P): New macro.
6963         (SYMBOL_FLAG_FAR_ADDR): New flag.
6964         * i386.md (movdi): Support medium model.
6965         (set_got_rex64): New pattern.
6966         * i386.opt (mlarge-data-threshold): New flag.
6967         * predicates.md (zext_operand/sext_operand): Deal with medium model.
6968         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6969         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6970         TARGET_ASM_UNIQUE_SECTION): New.
6971
6972         * invoke.texi (-mlarge_data_threshold): Document
6973
6974 2005-07-31  Jan Hubicka  <jh@suse.cz>
6975
6976         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6977         (coalesce_vars): Likewise.
6978         * tree-ssa-live.c (coalesce_cost): New.
6979         (build_tree_conflict_graph): Use coalesce_cost.
6980         * tree-ssa-live.h (coalesce_cost): Declare.
6981
6982 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6983
6984         * arm.md (all peepholes for post-increment operations): Delete.
6985         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6986         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6987         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6988         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6989         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6990
6991 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
6992
6993         * fold-const.c (tree_expr_nonnegative_p): Always return true for
6994         non-integral types.
6995
6996 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
6997
6998         PR target/22582
6999         * doc/invoke.texi: Document -rdynamic.
7000
7001 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
7002
7003         PR c/23143
7004         * c-parser.c (c_parser_parms_list_declarator): Call
7005         mark_forward_parm_decls.
7006         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7007         decls with visibility structure.
7008
7009 2005-07-30  Paul Brook  <paul@codesourcery.com>
7010
7011         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7012
7013 2005-07-30  Paul Brook  <paul@codesourcery.com>
7014
7015         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7016         prototype.
7017         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7018         value for mode.
7019         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7020
7021 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7022
7023         PR c/529
7024         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7025         nested function declarators.
7026         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7027         (grokparms): Call warn_if_shadowing for parameters used within the
7028         parameter list.
7029         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7030         not used within the parameter list.
7031         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7032
7033 2005-07-30  Jan Hubicka  <jh@suse.cz>
7034
7035         * expr.c (expand_expr_real_1): Do not load mem targets into register.
7036         * i386.c (ix86_fixup_binary_operands): Likewise.
7037         (ix86_expand_unary_operator): Likewise.
7038         (ix86_expand_fp_absneg_operator): Likewise.
7039         * optabs.c (expand_vec_cond_expr): Validate dest.
7040
7041 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7042
7043         PR c/21720
7044         * real.c (real_from_string): Also set last bit if there is a
7045         nonzero hex digit beyond GCC's internal precision after ".".
7046
7047 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
7048
7049         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7050         define_constants.  Change duplicate values to unassigned numbers.
7051         Change UNSPEC_SUBS to UNSPEC_VSUBS.
7052         (*altivec_vspltsf): New.
7053         (altivec_vperm_v4sf): Delete.
7054         (altivec_vperm_<mode>): Use mode macro V.
7055         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7056         (altivec_predicate_v4sf): Delete.
7057         (altivec_predicate_<mode>): Use mode macro V.
7058         (*altivec_lvesfx): New.
7059         (*altivec_stvesfx): New.
7060         (vec_realign_load_v4sf): Delete.
7061         (vec_realign_load_<mode>): Use mode macro V.
7062         * config/rs6000/rs6000.c (generate_set_vrsave): Use
7063         UNSPECV_SET_VRSAVE.
7064
7065 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
7066
7067         PR bootstrap/23131
7068         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7069         string.
7070         * configure: Regenerated.
7071
7072 2005-07-29  Paul Brook  <paul@codesourcery.com>
7073
7074         * doc/install.texi: Add link to GFortran binaries wiki page.
7075
7076 2005-07-29  David Ung  <davidu@mips.com>
7077
7078         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7079         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7080         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7081         * config/mips/mips.md (cpu): Add 5kf name.
7082         (includes): Includes 5k.md.
7083         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7084         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7085         -march flag.
7086
7087 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7088
7089         PR 22550
7090         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7091         (cleanup_tree_cfg): ... here.
7092         Call cleanup_tree_cfg_1 until there are no more cleanups to
7093         do.
7094
7095 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
7096
7097         * tree-vrp.c (compare_range_with_value): Return true or false
7098         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7099         EQ_EXPR respectively.
7100
7101 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
7102
7103         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7104         Fix comment typos.
7105
7106 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
7107
7108         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7109         (tree_ssa_dominator_optimize): Increment it.
7110         (dump_dominator_optimization_stats): Print it.
7111
7112 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
7113             Steven Bosscher  <stevenb@suse.de>
7114
7115         PR rtl-optimization/23117
7116         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7117         when head == tail.  Tidy comment.
7118
7119 2005-07-28  Richard Henderson  <rth@redhat.com>
7120
7121         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7122         * cselib.c (rtx_equal_for_cselib_p): Likewise.
7123         * jump.c (rtx_renumbered_equal_p): Likewise.
7124         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7125         CONST_INT and CONST_DOUBLE.
7126         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7127         * reload.c (operands_match_p): Special case CONST_INT and
7128         CONST_DOUBLE; check mode earlier.
7129
7130 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7131
7132         PR c/22240
7133         * c-typeck.c (convert_for_assignment): Do not check
7134         DECL_IN_SYSTEM_HEADER on NULL fundecl.
7135
7136 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7137
7138         PR c/22192
7139         * c-typeck.c (composite_type): Prefer constant size arrays to
7140         VLAs.
7141
7142 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
7143
7144         PR c/21720
7145         * real.c (real_from_string): Set last bit if there is a nonzero
7146         hex digit beyond GCC's internal precision.
7147
7148 2005-07-28  Richard Henderson  <rth@redhat.com>
7149
7150         PR rtl-opt/22619
7151         * cfgcleanup.c (try_forward_edges): Watch out for end of
7152         insn chain.
7153
7154 2005-07-28  James E Wilson  <wilson@specifixinc.com>
7155
7156         PR c/23106
7157         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7158
7159 2005-07-28  Jan Hubicka  <jh@suse.cz>
7160
7161         * Makefile.in (rtl-profile.o): Kill all traces of it.
7162         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7163         * coverage.h (rtl_coverage_counter_ref): Kill.
7164         * opts.c (flag_speculative_prefetching_set): Kill.
7165         (flag_loop_optimize_set): New.
7166         (common_handle_option): Disable loop optimizer when profiling;
7167         do not handle speculative prefetching.
7168         * passes.c (init_optimization_passes): Replace pass_profiling combo
7169         by branch_prob pass.
7170         * profile.c (compute_value_histograms): Update for simplified value
7171         profiles.
7172         (rtl_register_profile_hooks): Kill.
7173         (pass_profiling): Kill.
7174         (rest_of_handle_branch_prob): Do not profile.
7175         * toplev.c (process_options): Remove speculative prefetching.
7176         * toplev.h (flag_tree_based_profiling): Kill.
7177         * tree-profile.c (prepare_instrumented_value,
7178         tree_gen_interval_profiler, tree_gen_pow2_profiler,
7179         tree_gen_one_value_profiler, do_tree_profiling): Update for
7180         simplified datastructures.
7181         * value-prof.c: Add comment that speculative prefetching was dropped;
7182         update rest of file for simplified datastructures.
7183         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7184         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7185         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7186         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7187         rtl_mod_subtract, gen_speculative_prefetch,
7188         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7189         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7190         (gate_handle_value_profile_transformations,
7191         rest_of_handle_value_profile_transformations,
7192         pass_value_profile_transformations): Kill.
7193         * value-prof.h (histogram_value_t): Remove IL based unions.
7194         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7195         rtl_profile_hooks): Remove hooks.
7196
7197         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7198
7199         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7200         (cgraph_clone_node): Likewise.
7201         * cgraph.h (cgraph_clone_edge): Update prototype.
7202         (cgraph_clone_node): Likewise.
7203         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7204         cgraph_clone_node.
7205         (lookup_recursive_calls): Consider profile.
7206         (cgraph_decide_recursive_inlining): Fix updating; use new
7207         probability argument; use profile.
7208         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7209         * tree-inline.c (copy_bb): Update clal of clone_edge.
7210         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7211
7212         * invoke.texi (min-inline-recursive-probability): Document.
7213
7214 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
7215
7216         * doc/install.texi (Configuration): Update Valgrind homepage.
7217
7218 2005-07-28  Richard Henderson  <rth@redhat.com>
7219
7220         PR middle-end/21362
7221         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7222         labels we want to delete.
7223         (cfg_layout_merge_blocks): Likewise.
7224
7225 2005-07-28  Richard Henderson  <rth@redhat.com>
7226
7227         PR target/17692
7228         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7229         when expanding to nothing.
7230
7231 2005-07-28  Josh Conner  <jconner@apple.com>
7232
7233         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7234         (cgraph_decide_inlining_of_small_functions): Likewise.
7235
7236 2005-07-28  Josh Conner  <jconner@apple.com>
7237
7238         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
7239         direction of badness if negative.
7240         (cgraph_default_inline_p): Add reason to parameters, and assign it
7241         a value.
7242         (cgraph_decide_inlining_of_small_functions): New parameter in call
7243         to cgraph_default_inline_p.
7244         (cgraph_decide_inlining_incrementally): Likewise.
7245         * cgraphunit.c (decide_is_function_needed): Likewise.
7246         * cgraph.h (cgraph_default_inline_p): Likewise.
7247
7248 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7249
7250         * builtins.c: Fix comment typo(s).
7251         * genautomata.c: Likewise.
7252         * gimplify.c: Likewise.
7253         * tree-dfa.c: Likewise.
7254         * tree-flow-inline.h: Likewise.
7255         * tree-into-ssa.c: Likewise.
7256         * tree-ssa-alias.c: Likewise.
7257         * tree-ssa-ccp.c: Likewise.
7258         * tree-ssa-copy.c: Likewise.
7259         * tree-ssa-dce.c: Likewise.
7260         * tree-ssa-dom.c: Likewise.
7261         * tree-ssa-operands.c: Likewise.
7262         * tree-tailcall.c: Likewise.
7263         * tree-vectorizer.c: Likewise.
7264         * tree-vrp.c: Likewise.
7265         * tree.c: Likewise.
7266
7267 2005-07-28  Jeff Law  <law@redhat.com>
7268
7269         * tree-vrp.c (test_for_singularity): Extracted from  ...
7270         (simplify_cond_using_ranges): Attempt to simplify a relational
7271         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
7272
7273 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
7274
7275         PR tree-optimization/22506
7276         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7277         phis whose argument is constant.
7278
7279 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
7280
7281         PR rtl-optimization/18992
7282         Back out this patch:
7283           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7284           PR optimization/12142
7285           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7286           uses of the register in the SET_SRC.  Remove unnecessary argument.
7287
7288         Replace it with this:
7289         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7290         if flag_non_call_exceptions is set and the insn may trap, pass
7291         pc_rtx as dest for recursion.
7292         In SET_SRC part of SET case, if dest is already set, pass it down
7293         unchanged.
7294
7295 2005-07-28  Jan Hubicka  <jh@suse.cz>
7296
7297         * cfg.c (update_bb_profile_for_threading): Use RDIV.
7298         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7299         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7300         roundoff errors.
7301         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7302         profile when available.
7303
7304 2005-07-28  Jan Beulich <jbeulich@novell.com>
7305
7306         * config/ia64/ia64.c (ia64_load_pair_ok): New.
7307         (ia64_print_operand): Describe and handle 'X'.
7308         (ia64_register_move_cost): Also handle FP_REGS.
7309         (ia64_preferred_reload_class): Likewise.
7310         (ia64_secondary_reload_class): Likewise.
7311         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7312         it. Also check for ITANIUM_CLASS_FLDP.
7313         * config/ia64/ia64.h (FP_REGNO_P): New.
7314         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7315         (reg_class): Add FP_REGS.
7316         (REG_CLASS_NAMES): Adjust for it.
7317         (REG_CLASS_CONTENTS): Likewise.
7318         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7319         (REG_CLASS_FROM_LETTER): Handle 'x'.
7320         (CLASS_MAX_NREGS): Handle FP_REGS.
7321         (MEMORY_MOVE_COST): Likewise.
7322         * config/ia64/ia64.md (itanium_class): Add fldp.
7323         (type): Handle fldp.
7324         (movti_internal): More allowable operand combinations. Use ldfp8 when
7325         splitting unnecessary. Remove predicable attribute. Adjust
7326         itanium_class attribute.
7327         (smuldi3_highpart): Remove outdated comment.
7328         (mulditi3, umulditi3, rotlti3): New expanders.
7329         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7330         (absti2): Disabled new insn for future reference.
7331         Respective new splitters.
7332         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7333         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7334         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7335
7336 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
7337
7338         PR rtl-optimization/23047
7339         * simplify-rtx.c (simplify_const_relational_operation): Respect
7340         flag_wrapv for comparisons with ABS.
7341
7342 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
7343
7344         PR tree-optimization/22493
7345         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7346         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7347
7348 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
7349
7350         * config/frv/frv.opt (moptimize-membar): New.
7351
7352         * doc/invoke.texi: Document -moptimize-membar and its inverse.
7353
7354         * config/frv/frv.h: Remove machine_function definition.
7355
7356         * config/frv/frv.c (struct frv_io): New.
7357         (struct machine_function): Moved from frv.h.  Add has_membar_p.
7358         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7359         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7360         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7361         (frv_optimize_membar_global, frv_optimize_membar): New functions.
7362         (frv_reorg): Call frv_optimize_membar when appropriate.
7363         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7364         (frv_expand_builtin): Adjust calls accordingly.
7365         (frv_io_address_cookie): New function.
7366         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7367         load or store rather than a special insn.  Add ccnstant address and
7368         io-type operands to the membar.
7369         (frv_ifcvt_modify_tests): Unsign regno.
7370         (frv_ifcvt_modify_tests): Same.
7371
7372         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
7373         UNSPEC_OPTIONAL_MEMBAR constant.
7374         (builtin_read_<mode>): Delete.
7375         (builtin_write_<mode>): Delete.
7376         ("optional_membar_<mode>"): Add operand.
7377
7378         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7379         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7380         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7381         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7382         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7383         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7384         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7385         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7386         * testsuite/gcc.target/frv/all-read-write-1.c: New.
7387
7388 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7389
7390         * df.c (df_uses_record): Handle SCRATCH.
7391
7392 2005-07-28  Steven Bosscher  <stevenb@suse.de>
7393
7394         PR debug/20161
7395         * passes.c (rest_of_decl_compilation): If decl is a type and
7396         we have encountered errors, don't emit debug information.
7397
7398 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
7399
7400         * params.def: Fixed comment.
7401
7402 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
7403
7404         PR target/19885
7405         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7406         (TARGET_ASM_UNALIGNED_HI_OP): Add.
7407         (TARGET_ASM_UNALIGNED_SI_OP): Add.
7408
7409 2005-07-27  Steven Bosscher  <stevenb@suse.de>
7410
7411         PR c++/22003
7412         * varasm.c (assemble_start_function): Don't do anything that may
7413         require a CFG if the current function is a thunk.
7414
7415 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
7416
7417         * doc/install.texi (Prerequisites): Mention that perl is needed
7418         to do export control in libstdc++ targetting Darwin.
7419
7420 2005-07-27  Steven Bosscher  <stevenb@suse.de>
7421
7422         PR rtl-optimization/17808
7423         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7424         (sched_insns_conditions_mutex_p): Split out from...
7425         (add_dependence): ...here.  But don't call it from here.
7426         (add_dependence_list): Check sched_insns_conditions_mutex_p
7427         before calling add_dependence.
7428         (add_dependence_list_and_free): Likewise.
7429         (fixup_sched_groups): Likewise.
7430         (sched_analyze_1): Likewise.
7431         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7432         (sched_analyze): Likewise.
7433         (sched_analyze_insn): Likewise.
7434         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7435         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
7436         dependencies on all COND_EXEC insns to jumps ending basic blocks
7437         when doing intrablock scheduling.
7438         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7439
7440 2005-07-27  Jeff Law  <law@redhat.com>
7441
7442         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7443         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
7444         equivalency sets, correctly handle the case were vr0 has an
7445         equivalency set, but vr1 does not.
7446
7447 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
7448
7449         PR tree-optimization/23073
7450         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7451         vect_print_dump_info before fprintf.
7452
7453 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7454
7455         PR tree-optimize/22348
7456         * tree-ssa-loop-niter.c (number_of_iterations_cond):
7457         Fold the partial computation.
7458
7459 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7460
7461         PR tree-optimization/22325
7462         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7463         Declare.
7464         * tree-scalar-evolution.c (scev_const_prop): Add generic final
7465         value replacement.
7466         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7467         (force_var_cost): ... this function.
7468         (compute_phi_arg_on_exit): Export.
7469
7470 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
7471
7472         PR tree-optimization/20773
7473         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7474         edge.
7475
7476 2005-07-27  Richard Guenther  <rguenther@suse.de>
7477
7478         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7479         Avoid pushing again if current struct contains only
7480         fields we decomposed.
7481
7482 2005-07-27  Jan Hubicka  <jh@suse.cz>
7483
7484         PR tree-optimization/22574
7485         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7486         not available.
7487
7488         * tree-tailcall.c (decrease_profile): New function.
7489         (eliminate_tail_call): Use it.
7490
7491         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7492         visibility flags correctly in whole program mode.
7493
7494 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
7495
7496         PR rtl-optimization/22472
7497         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7498
7499 2005-07-26  Steven Bosscher  <stevenb@suse.de>
7500
7501         PR tree-optimization/22504
7502         * tree-complex.c (expand_complex_addition): Use 'code' instead
7503         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7504
7505 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7506
7507         * config.gcc (cpu_type): Add frv case.
7508         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7509         (supported_defaults): Add fr550 case.
7510
7511 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
7512
7513         PR 22591
7514         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7515         whether a pointer of type T * may point to objects of type T *.
7516
7517 2005-07-26  DJ Delorie  <dj@redhat.com>
7518
7519         * configure: Regenerate.
7520
7521 2005-07-26  Dale Johannesen  <dalej@apple.com>
7522
7523         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
7524
7525 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
7526
7527         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7528         Clarify use of "build" in name.
7529
7530 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
7531
7532         * doc/extend.texi (Raw read/write Functions): New section.
7533         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7534         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7535         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7536         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7537         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7538         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7539         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7540         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7541         * config/frv/frv.c: Add bdesc_loads global.
7542         Add bdesc_stores global.
7543         (frv_init_builtins): Add support for __builtin_{read/write}*.
7544         (frv_volatile_memref): New.
7545         (frv_expand_load_builtin): New.
7546         (frv_expand_store_builtin): New.
7547         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7548         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7549         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7550         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7551         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7552         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7553         (builtin_read_<mode>): New.
7554         (builtin_write_<mode>): New.
7555         (builtin_write64): New.
7556         (optional_membar_<mode>): New.
7557
7558 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
7559
7560         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7561         (rather than units) against HOST_BITS_PER_WIDE_INT.
7562
7563 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
7564
7565         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7566         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7567         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7568         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7569         FSF address.
7570
7571         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7572         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7573         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7574         comment typos.
7575         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7576
7577 2005-07-26  Richard Guenther  <rguenther@suse.de>
7578
7579         PR tree-optimization/22486
7580         * fold-const.c (fold_unary): Fold away useless component
7581         references of the form (T *)&T.x, if the address
7582         doesn't change.
7583
7584 2005-07-25  James E Wilson  <wilson@specifixinc.com>
7585
7586         * dwarf2out.c (add_call_src_coords_attributes): New.
7587         (gen_inlined_subroutine_die): Call it.
7588         (maybe_emit_file, init_file_table): Add comments.
7589         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7590         maybe_emit_file.
7591         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7592         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7593         * tree.h (BLOCK_SOURCE_LOCATION): New.
7594         (struct tree_block): New field locus.
7595
7596 2005-07-26  Andreas Schwab  <schwab@suse.de>
7597
7598         PR rtl-optimization/23043
7599         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7600         when allocating a struct unoccr.
7601
7602 2005-07-25  Richard Henderson  <rth@redhat.com>
7603
7604         PR 22626
7605         * tree-complex.c (gate_no_optimization): True if errors.
7606         * Makefile.in (tree-complex.o): Update dependencies.
7607
7608 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
7609
7610         * config/frv/predicates.md (integer_register_operand): Use
7611         GPR_AP_OR_PSEUDO_P.
7612
7613 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7614
7615         PR tree-opt/22484
7616         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7617         after fold.
7618         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7619
7620 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
7621
7622         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7623         types when flag_unsafe_math_optimizations is true.
7624
7625 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
7626
7627         * gcc.c (option_map): Add --sysroot.
7628         (process_command): Handle --sysroot.
7629         (display_help): Document it.
7630         * doc/cppopts.tex (-isysroot): Document.
7631         * doc/invoke.texi (--sysroot): Document.
7632         * doc/install.texi (--with-build-sysroot): Document.
7633
7634         * Makefile.in (inhibit_libc): New variable.
7635         (INHIBIT_LIBC_CFLAGS): Likewise.
7636         (LIBGCC2_CFLAGS): Include
7637         $(INHIBIT_LIBC_CFLAGS).
7638         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7639         ($(T)crtbegin.o): Do not use @inhibit_libc@.
7640         ($(T)crtend.o): Likewise.
7641         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7642         ($(T)crtendS.o): Likewise.
7643         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7644         ($(T)crtendT.o): Likewise.
7645         (stmp-fixinc): Do not complain about missing headers if
7646         inhibit_libc.
7647         * configure.ac (inhibit_libc): Set it to true/false.
7648         (--with-build-sysroot): New option.  Use it to set
7649         SYSTEM_HEADER_DIR.
7650         * configure: Regenerated.
7651
7652 2005-07-25  Manfred Hollstein  <mh@suse.com>
7653
7654         * calls.c (store_one_arg): Fix unsigned comparison warning.
7655
7656 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
7657
7658         PR other/22337
7659         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7660         (ggc_print_statistics): Initialize variable before use.
7661
7662 2005-07-25  Richard Guenther  <rguenther@suse.de>
7663
7664         * tree-dfa.c (mark_new_vars_to_rename): Protect against
7665         calling with a PHI_NODE argument.
7666
7667         * tree-flow-inline.h (overlap_subvar): Protect against
7668         possible overflow.
7669
7670 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
7671
7672         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7673         * configure: Regenerate.
7674
7675 2005-07-25  Ira Rosen  <irar@il.ibm.com>
7676
7677         * expr.c (highest_pow2_factor): Make extern.
7678         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7679         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7680         record_array_differ_p, array_ptr_differ_p): Likewise.
7681         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7682         additional cases. Call the above functions.
7683         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7684         base_object_differ_p when there are two base objects. Otherwise, compare
7685         base address and offset. Call may_alias_p.
7686         (dump_data_reference): Use a correct field name.
7687         (analyze_array): Make static. Initialize new data-ref fields.
7688         (analyze_indirect_ref): New function.
7689         (init_data_ref): Initialize new data-ref fields.
7690         (strip_conversion): Moved from tree-vect-analyze.c.
7691         (analyze_offset_expr, get_ptr_offset, address_analysis,
7692         object_analysis): Likewise.
7693         (analyze_offset): New function.
7694         (create_data_ref): Likewise.
7695         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7696         dimensions for ARRAY_REFs only.
7697         (build_classic_dist_vector): Make static.
7698         (access_functions_are_affine_or_constant_p): Call macro to get the
7699         address of access functions.
7700         (compute_all_dependences): Add new parameter
7701         compute_self_and_read_read_dependences. Compute self and read-read
7702         dependences if it is true.
7703         (find_data_references_in_loop): Call create_data_ref. Initialize new
7704         data-ref fields.
7705         (compute_data_dependences_for_loop): Add new parameter
7706         compute_self_and_read_read_dependences. Remove parameter nb_loops,
7707         compute nb_loops. Call compute_all_dependences,
7708         build_classic_dist_vector and build_classic_dir_vector with correct
7709         parameters.
7710         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7711         with correct parameters. Compare dimensions for ARRAY_REFs only.
7712         (free_data_refs): Call macro to free access functions.
7713         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7714         fields from stmt_vinfo.
7715         (struct base_object_info): New structure.
7716         (struct data_reference): Move fields to base_object_info. Add fields
7717         first_location and object_info for above structures. Move fields from
7718         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7719         aligned_to.  Add macros to access the new fields.
7720         Update functions declarations.
7721         * tree-flow.h (is_aliased_with): Declare.
7722         * tree-loop-linear.c (linear_transform_loops): Call
7723         compute_data_dependences_for_loop with correct parameters.
7724         * tree-ssa-alias.c (is_aliased_with): New function.
7725         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7726         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7727         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7728         vect_base_addr_differ_p, compute_subscript_distance and
7729         build_classic_dist_vector. Add printings. Check absolute value of
7730         distance.
7731         (vect_analyze_data_ref_dependences): Go through ddrs instead of
7732         data-refs.
7733         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7734         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7735         to bytes. Add printing.
7736         (vect_compute_data_refs_alignment): Go through loads and stores in one
7737         loop.
7738         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7739         vect_analyze_data_ref_access): Likewise.
7740         (vect_analyze_pointer_ref_access): Remove.
7741         (vect_address_analysis, vect_object_analysis): Likewise.
7742         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7743         and analyze data-refs in the loop.
7744         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7745         fields of data-ref instead of stmt. Add init to the offset from the
7746         base.
7747         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7748         (vect_update_init_of_dr): Likewise.
7749         (vect_update_inits_of_drs): Go through loads and stores in one loop.
7750         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7751         removed fields.
7752         (new_loop_vec_info): Initialize new fields.
7753         (destroy_loop_vec_info): Free new fields.
7754         (vect_strip_conversion): Remove.
7755         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7756         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7757         datarefs. Add new field ddrs.
7758         Add macros for the new fields access.
7759         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7760         base_aligned_p, misalignment, memtag, ptr_info and subvars.
7761         Remove their macros.
7762         * tree.h (highest_pow2_factor): Declare.
7763
7764 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
7765
7766         * calls.c (store_one_arg): Check for sibling call MEM arguments
7767         from already clobbered incoming argument area.
7768
7769 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7770
7771         * c-common.c (check_missing_format_attribute): New.
7772         * c-common.h (check_missing_format_attribute): Likewise.
7773         * c-typeck.c (convert_for_assignment): Use it.
7774
7775 2005-07-24  Andreas Schwab  <schwab@suse.de>
7776
7777         * config/m68k/m68k.md ("extendqidi2"): When source is an address
7778         register use a word move.  Correct operand of ext.w in 68000 code.
7779
7780 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
7781
7782         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7783         variables as declarations, rather than definitions.
7784
7785 2005-07-24  Ira Rosen  <irar@il.ibm.com>
7786
7787         PR tree-optimization/22526
7788         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7789         of the zero node.
7790
7791 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7792
7793         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7794         that C99 reserve for future use. Use it to define clog10,
7795         clog10f and clog10l.
7796
7797 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7798
7799         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7800         * configure.ac: Check for -Wmissing-format-attribute.
7801
7802         * configure: Regenerate.
7803
7804 2005-07-23  Richard Henderson  <rth@redhat.com>
7805
7806         PR tree-optimization/22623
7807         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7808
7809 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
7810
7811         PR target/22577
7812         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7813
7814 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7815
7816         * Makefile.in (C_TREE_H): Update dependencies.
7817         * c-tree.h: Include toplev.h.
7818         * diagnostic.h (diagnostic_set_info): Add format attribute.
7819         * rtl-error.c (diagnostic_for_asm): Likewise.
7820
7821 2005-07-23  Chao-ying Fu  <fu@mips.com>
7822
7823         * config/mips/mips-dsp.md: New file.
7824         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7825         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7826         functions.
7827         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7828         MIPS_BUILTIN_BPOSGE32.
7829         (mips_expand_builtin_direct): Add one parameter to indicate that
7830         builtin functions need to return a value.
7831         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7832         functions.
7833         (mips_regno_to_class): Add classes for 12 new DSP registers.
7834         (mips_subword): Change to check four HI registers.
7835         (mips_output_move): Output move to and from 6 new DSP accumulators.
7836         (override_options): Make sure -mdsp and -mips16 are not used together.
7837         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
7838         for machine modes.
7839         (mips_conditional_register_usage): Disable 6 new DSP accumulators
7840         when !TARGET_DSP.
7841         (print_operand): Add 'q' for printing DSP accumulators.
7842         (mips_cannot_change_mode_class): Check ACC_REGS.
7843         (mips_secondary_reload_class): Check ACC_REGS.
7844         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7845         (mips_register_move_cost): Check ACC_REGS.
7846         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7847         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7848         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7849         (dsp_bdesc): New array.
7850         (bdesc_arrays): Add DSP builtin function table.
7851         (mips_prepare_builtin_arg): Check predicate again after
7852         copy_to_mode_reg.
7853         (mips_expand_builtin): Add one more parameter to
7854         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7855         MIPS_BUILTIN_BPOSGE32.
7856         (mips_init_builtins): Initialize new function types.
7857         (mips_expand_builtin_direct): Check if builtin functions need to
7858         return a value and pass operands properly.
7859         (mips_expand_builtin_bposge): New function.
7860         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7861         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7862         (FIRST_PSEUDO_REGISTER): Increase to 188.
7863         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7864         Update for 12 new DSP registers.
7865         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7866         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7867         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7868         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7869         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7870         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7871         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7872         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7873         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7874         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7875         (REGISTER_NAMES): Add names for 12 new DSP registers.
7876         * config/mips/mips.md: Include mips-dsp.md.
7877         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7878         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7879         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7880         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7881         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7882         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7883         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7884         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7885         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7886         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7887         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7888         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7889         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7890         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7891         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7892         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7893         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7894         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7895         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7896         (UNSPEC_RDDSP): New constants.
7897         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7898         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
7899         A<-d alternative.
7900         * config/mips/mips.opt (-mdsp): New option.
7901         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7902         (reg_imm10_operand): New predicates.
7903         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7904         * doc/invoke.texi (-mdsp): Document new option.
7905
7906 2005-07-22  DJ Delorie  <dj@redhat.com>
7907
7908         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7909         to warning calls.
7910         * tree-inline.c (inlinable_function_p): Likewise.
7911
7912 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
7913
7914         PR debug/21828
7915         * toplev.c (check_global_declarations): Do not mark undefined
7916         variables as DECL_IGNORED_P.
7917         * varasm.c (first_global_object_name): GTY it.
7918         (weak_global_object_name): Likewise.
7919         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7920         a string to go into {weak,first}_global_object_name.
7921
7922 2005-07-22  DJ Delorie  <dj@redhat.com>
7923
7924         * c-format.c (check_function_format): Change warning control
7925         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7926
7927 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
7928
7929         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7930         &PTR->FLD a dereference of PTR.
7931         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7932         a potential dereference of PTR.
7933
7934 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
7935
7936         PR rtl-optimization/20370
7937         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7938         call allocate_reg_info if necessary.
7939
7940         PR rtl-optimization/21848
7941         * calls.c (emit_library_call_value_1): For const functions, add
7942         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7943
7944         PR rtl-optimization/22445
7945         * cselib.c (target.h): Include.
7946         (rtx_equal_for_cselib_p): Allow commutative matches.
7947         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7948         Remove MODE parameter.  Changed all callers.
7949
7950         PR rtl-optimization/22258
7951         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7952         New functions.
7953         (try_combine): Use likely_spilled_retval_p.
7954
7955 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
7956
7957         * config.gcc: Add crx-elf support.
7958
7959         * doc/contrib.texi: Mention crx.
7960         * doc/extend.texi: Document crx extensions.
7961         * doc/install.texi: Document crx install.
7962         * doc/invoke.texi: Document crx options.
7963         * doc/md.texi: Document crx constraints.
7964
7965         * config/crx/crx-protos.h: New file.
7966         * config/crx/crx.c: New file.
7967         * config/crx/crx.h: New file.
7968         * config/crx/crx.md: New file.
7969         * config/crx/crx.opt: New file.
7970         * config/crx/t-crx: New file.
7971
7972 2005-07-22  Manfred Hollstein  <mh@suse.com>
7973
7974         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7975         warnings.
7976         (int_add_graph_edge): Likewise.
7977         (collapse_nodes): Likewise.
7978         (process_unification_queue): Likewise.
7979
7980 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7981             Laurent GUERBY  <laurent@guerby.net>
7982
7983         PR tree-optimization/22336
7984         * function.c (record_block_change): Check for
7985         cfun->ib_boundaries_block.
7986
7987 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
7988
7989         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7990         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7991
7992 2005-07-21  DJ Delorie  <dj@redhat.com>
7993
7994         * toplev.c (warn_deprecated_use): Add warning control to warning
7995         call.
7996         * c-typeck.c (parser_build_binary_op): Likewise.
7997         (c_finish_if_stmt): Likewise.
7998         * c-common.c (check_function_sentinel): Likewise.
7999         (check_nonnull_arg): Likewise.
8000
8001 2005-07-21  Richard Henderson  <rth@redhat.com>
8002
8003         PR tree-opt/22504
8004         * tree-complex.c (complex_ssa_name_components): New.
8005         (cvc_lookup): Allow entry not found.
8006         (create_components): Remove.
8007         (create_one_component_var, get_component_var): New.
8008         (get_component_ssa_name, set_component_ssa_name): New.
8009         (extract_component): Use get_component_ssa_name.
8010         (update_complex_components): Use set_component_ssa_name.
8011         (update_complex_components_on_edge): Likewise.
8012         (update_phi_components): Create new PHI nodes directly, instead
8013         of adding insns to edges.
8014         (tree_lower_complex): Allocate and free complex_variable_components
8015         and complex_ssa_name_components here.
8016
8017 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
8018
8019         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8020         revert to returning false.
8021
8022 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8023
8024         PR target/21149
8025         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8026
8027 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
8028
8029         PR target/22576
8030         * config/i386/i386.md (cmpxf): Change operand constraints
8031         to "nonmemory_operand".
8032
8033 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8034
8035         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8036
8037 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8038
8039         PR middle-end/21180
8040         * fold-const.c (fold_build1): Add checksum for the operands.
8041         (fold_build2): Likewise.
8042         (fold_build3): Likewise.
8043
8044 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
8045
8046         PR middle-end/19055
8047         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8048
8049 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8050
8051         * common.opt (-fforward-propagate): Committed by mistake,
8052         removed.
8053
8054 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8055
8056         * reg-stack.c: Fix comment typo(s).
8057         * tree-ssa-operands.c: Likewise.
8058         * tree-vectorizer: Likewise.
8059
8060 2005-07-21  Nick Clifton  <nickc@redhat.com>
8061
8062         * config/sh/symbian.c: Replace C++ style line comments with C
8063         style line comments.
8064         (symbian_add_attribute): Do not use a ? operator on the LHS of
8065         an assignment.
8066         (sh_symbian_handle_dll_attribute): Change the type of the
8067         method vector to "VEC(tree,gc)*" and use vector accessor
8068         macros to walk over the elements.
8069         (symbian_export_vtable_and_rtti_p): Likewise.
8070         (symbian_class_needs_attribute_p): Likewise.
8071
8072 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8073
8074         PR target/22085
8075         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8076         initialize targetm.resolve_overloaded_builtin here.
8077         (altivec_expand_overloaded_builtin): Make it non-static.
8078         * config/rs6000/rs6000-protos.h
8079         (altivec_expand_overloaded_builtin): New prototype.
8080         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8081         targetm.resolve_overloaded_builtin here.
8082         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8083
8084 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
8085             Zdenek Dvorak  <dvorakz@suse.cz>
8086
8087         PR tree-optimization/19210
8088         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8089         New.
8090         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8091         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8092         rely on unproven assumptions.
8093         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8094         * tree-flow.h (number_of_iterations_exit): Add final parameter.
8095         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8096         to number_of_iterations_exit.
8097         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8098         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8099         * tree-ssa-loop-niter.c (find_loop_niter,
8100         estimate_numbers_of_iterations_loop): Likewise.
8101         (number_of_iterations_exit): Honor the new options.
8102         * doc/invoke.texi (Wunsafe-loop-optimizations,
8103         funsafe-loop-optimizations): Document them.
8104
8105 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
8106
8107         PR rtl-optimization/22167
8108         * gcse.c (hoist_code): Fix hoist_exprs[] check.
8109
8110 2005-07-20  Adam Nemet  <anemet@lnxw.com>
8111
8112         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8113         __do_global_dtors_aux longcall.
8114
8115 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
8116
8117         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8118         (old_special_pred_table): Don't reference
8119         SPECIAL_MODE_PREDICATES.
8120         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8121         * config/arc/arc.h: Don't mention PREDICATE_CODES.
8122         * config/sh/predicates.h: Don't mention
8123         SPECIAL_MODE_PREDICATES.
8124         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8125         Remove.
8126
8127 2005-07-20  DJ Delorie  <dj@redhat.com>
8128
8129         * config.gcc: Add m32c-elf support.
8130
8131         * doc/contrib.texi: Mention m32c.
8132         * doc/extend.texi: Document m32c extensions.
8133         * doc/install.texi: Mention m32c.
8134         * doc/invoke.texi: Document m32c options.
8135         * doc/md.texi: Document m32c constraints.
8136
8137         * config/m32c/addsub.md: New file.
8138         * config/m32c/bitops.md: New file.
8139         * config/m32c/cond.md: New file.
8140         * config/m32c/jump.md: New file.
8141         * config/m32c/m32c-lib1.S: New file.
8142         * config/m32c/m32c-lib2.c: New file.
8143         * config/m32c/m32c-modes.def: New file.
8144         * config/m32c/m32c-pragma.c: New file.
8145         * config/m32c/m32c-protos.h: New file.
8146         * config/m32c/m32c.abi: New file.
8147         * config/m32c/m32c.c: New file.
8148         * config/m32c/m32c.h: New file.
8149         * config/m32c/m32c.md: New file.
8150         * config/m32c/m32c.opt: New file.
8151         * config/m32c/minmax.md: New file.
8152         * config/m32c/mov.md: New file.
8153         * config/m32c/muldiv.md: New file.
8154         * config/m32c/predicates.md: New file.
8155         * config/m32c/prologue.md: New file.
8156         * config/m32c/shift.md: New file.
8157         * config/m32c/t-m32c: New file.
8158
8159 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8160
8161         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8162         (stack_protect_set, stack_protect_test): New expanders.
8163         (stack_protect_set_si, stack_protect_set_si_media,
8164         stack_protect_set_di_media, stack_protect_test_si,
8165         stack_protect_test_si_media, stack_protect_test_di_media):
8166         New insns.
8167
8168 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
8169
8170         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8171
8172 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
8173
8174         * tree.h (tree_expr_nonzero_p): Export.
8175         * fold-const.c (tree_expr_nonzero_p): Likewise.
8176         Return true for CALL_EXPRs that are alloca calls.
8177         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8178         against zero.
8179         * tree-flow.h (expr_computes_nonzero): Remove.
8180         * tree-vrp.c (expr_computes_nonzero): Remove.
8181         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8182         (extract_range_from_unary_expr): Likewise.
8183         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8184         tree_expr_nonzero_p.
8185
8186 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
8187
8188         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8189         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
8190         extra arg "picreg" and use it instead of pic_offset_table_rtx.
8191         All callers changed.
8192         (frame_related_constant_load): New arg "related" which controls
8193         setting of RTX_FRAME_RELATED_P.  All callers changed.
8194         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8195         (bfin_expand_prologue): Add stack limit checking.
8196         * config/bfin/bfin.md (trapifcc): New pattern.
8197
8198         * config/bfin/bfin.c: Include "langhooks.h".
8199         (def_builtin): Go through lang_hooks to call builtin_function.
8200
8201         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8202         * config/bfin/predicates.md (symbol_ref_operand): New.
8203         (call_insn_operand): Delete.  All callers changed to use
8204         register_no_elim_operand.
8205         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8206         call_cookie field.
8207         (function_arg): Use it to generate the call's operand 2.
8208         (bfin_longcall_p): New function.
8209         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
8210         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
8211         determine if the address needs to be in a REG.
8212         (bfin_handle_longcall_attribute): New function.
8213         (bfin_attribute_table): Add "longcall" and "shortcall".
8214         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8215         (CUMULATIVE_ARGS): New member call_cookie.
8216         (PREDICATE_CODES): Add symbol_ref_operand.
8217         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8218         extra USE to the pattern.
8219         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8220         New patterns, split off call_insn, sibcall_insn, call_value_insn and
8221         sibcall_value_insn; now the new patterns handle direct calls and the
8222         old ones indirect calls.
8223         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8224
8225 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
8226
8227         * doc/trouble.texi: Update section on handling of empty loops.
8228
8229 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
8230
8231         * config.gcc: Remove support for sparc-*-openbsd*,
8232         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8233         ns32k-*-netbsd*.
8234         * config.host: Remove support for i860-*-sysv4* as a host.
8235         * config/i860/*, config/ip2k/*, config/ns32k/*,
8236         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8237         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8238         mention obsolete ports.
8239
8240 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8241
8242         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8243         soft frame pointer.
8244         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8245         of frame_pointer_rtx.
8246         (sh_expand_epilogue): Likewise.
8247         (sh_set_return_address): Likewise.
8248         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8249         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
8250         offsets from FRAME_POINTER_REGNUM.
8251         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8252         (sh_register_names): Add initializer for sfp.
8253         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8254         (VALID_REGISTER_P): Likewise.
8255         (FIRST_PSEUDO_REGISTER): Update.
8256         (DWARF_FRAME_REGISTERS): Define.
8257         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8258         (HARD_FRAME_POINTER_REGNUM): Define.
8259         (FRAME_POINTER_REGNUM): Redefine.
8260         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8261         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
8262         from FRAME_POINTER_REGNUM.
8263         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8264         FRAME_POINTER_REGNUM.
8265         (REG_CLASS_CONTENTS): Add sfp.
8266         (REG_ALLOC_ORDER): Likewise.
8267         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
8268         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8269         of frame_pointer_rtx.
8270         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8271
8272 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
8273
8274         * fold-const.c (tree_expr_nonnegative_p): Only return true for
8275         ABS_EXPR when flag_wrapv is false because of INT_MIN.
8276         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8277         of an ABS_EXPR.
8278         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8279         ABS_EXPR<x>.
8280
8281 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
8282
8283         Make CONSTRUCTOR use VEC to store initializers.
8284         * c-common.c (complete_array_type): Update to cope with VEC in
8285         CONSTRUCTOR_ELTS.
8286         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8287         (pp_c_constructor_elts): New function.
8288         * c-pretty-print.h (pp_c_constructor_elts): Declare.
8289         * c-typeck.c (build_function_call, build_c_cast, digest_init,
8290         struct constructor_stack, struct initializer_stack,
8291         constructor_elements, push_init_level, pop_init_level,
8292         add_pending_init, find_init_member, output_init_element): Update to
8293         cope with VEC in CONSTRUCTOR_ELTS.
8294         * coverage.c (build_fn_info_value, build_ctr_info_value,
8295         build_gcov_info): Likewise.
8296         * expr.c (categorize_ctor_elements_1, store_constructor,
8297         expand_expr_real_1): Likewise.
8298         * fold-const.c (fold_ternary): Likewise.
8299         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8300         gimplify_init_constructor, gimplify_expr): Likewise.
8301         * tree-dump.c (dequeue_and_dump): Likewise.
8302         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8303         node.
8304         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8305         CONSTRUCTOR_ELTS.
8306         * tree-sra.c (generate_element_init_1): Likewise.
8307         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8308         * tree-ssa-operands.c (get_expr_operands): Likewise.
8309         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8310         * tree-vect-transform.c (vect_get_vec_def_for_operand):
8311         (get_initial_def_for_reduction): Likewise.
8312         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8313         value handle in annotations.
8314         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8315         tree_node_structure): Add support for constr_kind.
8316         (build_vector_from_ctor, build_constructor_single,
8317         build_constructor_from_list): New functions.
8318         (build_constructor): Update to take a VEC instead of a TREE_LIST.
8319         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8320         Update to cope with VEC in CONSTRUCTOR_ELTS.
8321         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8322         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8323         CONSTRUCTOR_APPEND_ELT): New macros.
8324         (struct constructor_elt, struct tree_constructor): New data types.
8325         (union tree_node): Add tree_constructor field.
8326         * treestruct.def: Define TS_CONSTRUCTOR.
8327         * varasm.c (const_hash_1, compare_constant, copy_constant,
8328         compute_reloc_for_constant, output_addressed_constants,
8329         initializer_constant_valid_p, output_constant,
8330         array_size_for_constructor, output_constructor): Update to cope with
8331         VEC in CONSTRUCTOR_ELTS.
8332         * vec.h (VEC_empty, VEC_copy): New macros.
8333
8334 2005-07-19  Devang Patel  <dpatel@apple.com>
8335
8336         * dbxout.c (dbxout_type): Check Objective-C++ lang.
8337
8338 2005-07-19  Richard Henderson  <rth@redhat.com>
8339
8340         PR tree-opt/22278
8341         * gimplify.c (gimplify_expr): Use main variant type for the temp
8342         destination for a discarded volatile read.
8343         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8344         casts between non-void types that change volatility.
8345
8346 2005-07-15  DJ Delorie  <dj@redhat.com>
8347
8348         * toplev.h: Add comment about the first parameter for warning().
8349         * errors.h: Likewise.
8350
8351         * c.opt (Wpragmas): New.
8352         * doc/invoke.texi: Document it.
8353
8354         * function.c (do_warn_unused_parameter): Add warning control to
8355         warning call.
8356         * c-decl.c (warn_if_shadowing): Likewise.
8357         * c-lex.c (cb_def_pragma): Likewise.
8358         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8359         (pop_alignment): Likewise.
8360         (handle_pragma_pack): Likewise.
8361         (apply_pragma_weak): Likewise.
8362         (handle_pragma_weak): Likewise.
8363         (handle_pragma_redefine_extname): Likewise.
8364         (add_to_renaming_pragma_list): Likewise.
8365         (handle_pragma_extern_prefix): Likewise.
8366         (maybe_apply_renaming_pragma): Likewise.
8367         (handle_pragma_visibility): Likewise.
8368
8369         * config/c4x/c4x-c.c (BAD): Likewise.
8370         (c4x_parse_pragma): Likewise.
8371         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8372         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8373         (rs6000_pragma_longcall): Likewise.
8374         * config/v850/v850-c.c (pop_data_area): Likewise.
8375         (ghs_pragma_section): Likewise.
8376         (ghs_pragma_section): Likewise.
8377         (ghs_pragma_interrupt): Likewise.
8378         (ghs_pragma_starttda): Likewise.
8379         (ghs_pragma_startsda): Likewise.
8380         (ghs_pragma_startzda): Likewise.
8381         (ghs_pragma_endtda): Likewise.
8382         (ghs_pragma_endsda): Likewise.
8383         (ghs_pragma_endzda): Likewise.
8384
8385 2005-07-19  Danny Berlin <dberlin@dberlin.org>
8386             Kenneth Zadeck <zadeck@naturalbridge.com>
8387
8388         * Makefile.in: Removed tree-promote-statics.c
8389         * tree-promote-statics.c: Removed.
8390         * common.opt: Removed flag-promote-statics.
8391         * opts.c: Ditto.
8392         * passes.c: Removed tree-promote-statics pass.
8393         * tree-pass.h: Ditto.
8394         * timevar.def: Removed TV_PROMOTE_STATICS.
8395
8396
8397 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
8398
8399         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8400         and *-*-freebsd9.
8401         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8402
8403 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8404
8405         PR c/22476
8406         * c-common.c (check_function_arguments): Call
8407         'check_function_format' if either -Wformat or
8408         -Wmissing-format-attribute are specified.
8409         * c-format.c (check_function_format): Check -Wformat before
8410         calling 'check_format_info'.
8411         * c-opts.c (c_common_post_options): Don't warn for
8412         -Wmissing-format-attribute without -Wformat.
8413         * c-typeck.c (convert_for_assignment): Detect additional cases for
8414         -Wmissing-format-attribute.
8415         * doc/invoke.texi (-Wmissing-format-attribute): Document new
8416         behavior.
8417
8418 2005-07-19  Richard Guenther  <rguenther@suse.de>
8419
8420         * config/i386/i386.md (lrint<mode>2): Use temporary
8421         instead of clobbering non-existent memory.
8422
8423 2005-07-19  Nick Clifton  <nickc@redhat.com>
8424
8425         * config/avr/avr.c (legitimate_address_p): Fix debugging print
8426         statement to avoid displaying ASCII control characters.
8427
8428 2005-07-19  Ben Elliston  <bje@au.ibm.com>
8429
8430         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8431         * cfganal.c (find_edge_index): Ditto.
8432         * combine.c (combine_instructions): Ditto.
8433         * ddg.c (create_scc): Ditto.
8434         (find_successors): Ditto.
8435         (find_predecessors): Ditto.
8436         (find_nodes_on_paths): Ditto.
8437         (longest_simple_path): Ditto.
8438         * flow.c (update_life_info): Ditto.
8439         (count_or_remove_death_notes): Ditto.
8440         (clear_log_links): Ditto.
8441         * modulo-sched.c (generate_reg_moves): Ditto.
8442         (find_max_asap): Ditto.
8443         (find_max_hv_min_mob): Ditto.
8444         (find_max_dv_min_mob): Ditto.
8445         * sbitmap.c (sbitmap_first_set_bit): Ditto.
8446         * sched-rgn.c (extract_edgelst): Ditto.
8447         * tree-into-ssa.c (prepare_names_to_update): Ditto.
8448         (dump_update_ssa): Ditto.
8449         (ssa_names_to_replace) Ditto.
8450         (switch_virtuals_to_full_rewrite): Ditto.
8451         (update_ssa): Ditto.
8452         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8453
8454 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
8455
8456         Fix PR tree-optimization/22483
8457
8458         * tree-complex.c (create_components): Use
8459         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8460         * tree-flow-inline.h (fill_referenced_var_vec): New function.
8461         * tree-flow.h (safe_referenced_var_iterator): New structure.
8462         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8463         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8464         safe_referenced_var iterator.
8465         (add_type_alias): Ditto.
8466
8467 2005-07-19  Steven Bosscher  <stevenb@suse.de>
8468
8469         * loop-init.c (rest_of_handle_loop2): Remove.
8470         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8471         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8472         (pass_rtl_loop_init, pass_rtl_loop_done,
8473         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8474         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8475         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8476         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8477         pass_tree_loop_done, and pass_tree_unswitch.
8478         (gate_loop): Rename to gate_tree_loop.
8479         * passes.c (init_optimization_passes): Update for renamed tree
8480         loop passes.  Add the new loop2 passes as subpasses of loop2.
8481         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8482         Update for the renamed tree loop passes.
8483
8484 2005-07-18  Ian Lance Taylor  <ian@airs.com>
8485
8486         PR middle-end/22057
8487         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8488         blocks when optimizing.
8489
8490 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
8491
8492         * common.opt (frename-registers): Initialize to 2.
8493         (fweb): Ditto.
8494         (fgcse-after-reload): Ditto.
8495         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8496         (process_options): Only change flag_web, flag_rename_registers,
8497         and flag_rerun_cse_after_loop if not explicitly set by user.
8498
8499 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8500
8501         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8502         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8503         in 64-bit mode the same as DImode in 32-bit mode.
8504         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8505         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8506         mode. Add new mode parameter.
8507         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8508         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8509         x86_64_shift_adj): New expanders.
8510         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8511         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8512         insns.
8513         Respective new splitters. Use renamed shift splitter helpers in 32-bit
8514         DImode shift splitters.
8515         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8516         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8517         mode parameter.
8518
8519 2005-07-18  Jan Beulich  <jbeulich@novell.com>
8520
8521         * i386.md (movdi_extzv_1): New.
8522         (zero_extendhidi2): Combine alternatives and never force use of
8523         REX64 prefix.
8524         (zero_extendqidi2): Likewise. Don't restrict input selection.
8525
8526 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8527
8528         Fix PR tree-optimization/22531
8529         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
8530          moment.
8531
8532 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8533
8534         * tree-promote-statics.c (pass_promote_statics): Change dump file
8535          name.
8536
8537 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
8538
8539         * tree-optimize.c (init_tree_optimization_passes): Add
8540         pass_eliminate_useless_stores pass.
8541         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8542         * tree-ssa-pre.c (is_copy_stmt): New function.
8543         (follow_copies_till_vuse): Ditto.
8544         (do_eustores): Ditto.
8545         (gate_eustores): Ditto.
8546
8547 2005-07-16  Richard Henderson  <rth@redhat.com>
8548
8549         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8550
8551 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8552            Kenneth Zadeck <zadeck@naturalbridge.com>
8553
8554         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8555         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8556         ipa-type-escape.h, tree-promote-statics.c
8557         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8558         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8559         tree-promote-statics.c: new files.
8560         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8561         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8562         int nonlocal_set_p, mark_constant_function): Deleted.
8563         (rest_of_handle_cfg): Removed call to mark_constant_function.
8564         (nonoverlapping_component_refs_p): Added calls to support
8565         type based aliasing.
8566         * tree-ssa-alias.c (may_alias_p,
8567         compute_flow_insensitive_aliasing): Ditto.
8568         * calls.c (flags_from_decl_or_type): Removed reference to
8569         cgraph_rtl_info.
8570         * c-typeck.c (convert_arguments): Make builtins tolerant of having
8571         too many arguments.  This is necessary for Spec 2000.
8572         * cgraph.h (const_function, pure_function): Removed.
8573         * common.opt: Added "fipa-pure-const", "fipa-reference",
8574         "fipa-type-escape", and "ftree-promote-static".
8575         * opts.c: Ditto.
8576         * passes.c: Added ipa and tree-promote-statics passes.
8577         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8578         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8579         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8580         * tree-flow.h: Added exposed sra calls and addition of
8581         reference_vars_info field for FUNCTION_DECLS.
8582         * tree-pass.h: Added passes.
8583         * tree-sra.c: (sra_init_cache): New function.
8584         (sra_insert_before, sra_insert_after) Made public.
8585         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8586         and made public.
8587         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8588         aliasing. (may_alias_p): Added code to use type escape analysis to
8589         improve alias sets.
8590         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8591         code to prune clobbers of static variables based on information
8592         produced in ipa-reference pass.  Changed call clobbering so that
8593         statics are not marked as clobbered if the call does not clobber
8594         them.
8595
8596 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
8597
8598         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8599         too.
8600
8601 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8602
8603         * doc/install.texi (*-*-solaris2*): Document recommended version
8604         of GNU binutils and mention GNU linker problem on Solaris 10.
8605
8606 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
8607
8608         PR c/22421
8609         * c-decl.c (c_build_bitfield_integer_type): New function.
8610         (finish_struct): Call it.
8611         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8612
8613 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8614
8615         * c-typeck.c (digest_init): Call 'convert_for_assignment'
8616         before returning.
8617
8618 2005-07-16  Jan Hubicka  <jh@suse.cz>
8619
8620         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8621         (scale_bbs_frequencies_int): Watch roundoff errors.
8622         * predict.c (return_prediction): Initialize return_stmt.
8623
8624 2005-07-16  Jan Hubicka  <jh@suse.cz>
8625
8626         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8627         after RTL profiling.
8628
8629 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
8630
8631         PR middle-end/22398
8632         * fold-const.c (build_range_check): Convert high/low to etype
8633         if we are only comparing against exp.
8634
8635 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
8636
8637         Fix PR tree-optimization/22376
8638         * tree-ssa-structalias.c (build_constraint_graph): We really meant
8639         special var here.
8640         (need_to_solve): New function.
8641         (compute_points_to_sets): Use it.
8642
8643 2005-07-15  Jan Hubicka  <jh@suse.cz>
8644
8645         * cfg.c (update_bb_profile_for_threading): More diagnostic.
8646         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8647
8648 2005-07-15  Richard Guenther  <rguenther@suse.de>
8649
8650         * c-common.c (handle_flatten_attribute): New function.
8651         Add flatten function attribute.
8652         * doc/extend.texi: Document flatten function attribute.
8653         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8654         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8655         New functions.
8656         (cgraph_decide_inlining): Handle functions with flatten
8657         attribute.
8658
8659 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
8660
8661         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8662         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8663         UNSPEC_XCHG, UNSPEC_AND): New.
8664         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8665         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8666         * config/rs6000/sync.md (FETCHOP): New code macro.
8667         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8668         New code attrs.
8669         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8670         (sync_compare_and_swap<mode>): Same.
8671         (sync_lock_test_and_set<mode>): Same.
8672         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8673         for QImode and HImode, and not PPC405.
8674         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8675         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8676         (sync_<fetchop>{si,di}_internal): New.
8677         (sync_nand{si,di}_internal): New.
8678         (sync_old_<fetchop>{si,di}_internal): New.
8679         (sync_old_nand{si,di}_internal): New
8680         (sync_new_<fetchop>{si,di}_internal): New.
8681         (sync_new_nand{si,di}_internal): New.
8682         (atomic_and{si,di}): New.
8683         (sync_new_nand{si,di}_internal): New.
8684         (atomic_and{si,di}): New.
8685         (sync_add<mode>_internal): Delete.
8686         (sync_addshort_internal): Use unspec instead of unspec_volatile.
8687         (sync_sub<mode>_internal): Delte.
8688         (sync_subshort_internal): New.
8689         (sync_andsi_internal): Use unspec instead of unspec_volatile.
8690         (sync_anddi_internal): Delete.
8691         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8692         (sync_booldi_internal): Delete.
8693         (sync_boolc<mode>_internal): Delete.
8694         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8695         (sync_boolc<mode>_internal2): Delete.
8696         (sync_boolcc<mode>_internal): Delete.
8697         (isync, lwsync): Use unspec instead of unspec_volatile.
8698         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8699         Revert UNSPEC_VOLATILE.
8700         (rs6000_split_atomic_op): New.
8701         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8702
8703 2005-07-14  Eric Christopher  <echristo@redhat.com>
8704
8705         * config/mips/mips.c (mips_canonicalize_comparison): Cast
8706         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8707
8708 2005-07-14  Eric Christopher  <echristo@redhat.com>
8709
8710         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8711
8712 2005-07-14  Steven Bosscher  <stevenb@suse.de>
8713
8714         PR tree-optimization/22230
8715         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8716         the computation of the four cross productions for "range op range".
8717
8718 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
8719             Ulrich Weigand  <uweigand@de.ibm.com>
8720
8721         PR target/20126
8722         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8723         in some insn.
8724
8725 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8726
8727         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8728
8729 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
8730
8731         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8732
8733 2005-07-14  Richard Guenther  <rguenther@suse.de>
8734
8735         PR middle-end/22347
8736         * config/i386/i386-protos.h (ix86_function_value): Change
8737         prototype to match new target hook.
8738         * config/i386/i386.c (ix86_value_regno): Change prototype
8739         to take extra type argument.
8740         (TARGET_FUNCTION_VALUE): Define.
8741         (ix86_function_ok_for_sibcall): Pass extra argument to
8742         ix86_value_regno, check return slot rtx for exact match.
8743         (ix86_function_value): Take extra parameter.  Dispatch to
8744         ix86_value_regno with fndecl/fntype as provided.
8745         (ix86_value_regno): Handle extra type argument.
8746         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8747
8748         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8749         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8750         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8751         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8752         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8753
8754 2005-07-14  Richard Guenther  <rguenther@suse.de>
8755
8756         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8757         * calls.c (expand_call): Pass fntype to hard_function_value.
8758         (emit_library_call_value_1): Likewise.
8759         * explow.c: Include target.h.
8760         (hard_function_value): Take extra argument, the fntype.
8761         Use new target hook for function_value.
8762         * expr.h (hard_function_value): Change prototype.
8763         * function.c (aggregate_value_p): Pass 0 as fntype to
8764         hard_function_value.
8765         (assign_parms): Use new target hook for function_value.
8766         Pass 0 as fntype to hard_function_value.
8767         (expand_function_end): Likewise.
8768         * reg-stack.c: Include target.h.
8769         (stack_result): Use new target hook for function_value.
8770         * target-def.h: New target hook function_value.
8771         * target.h: Likewise.
8772         * targhooks.c (default_function_value): New function.
8773         * targhooks.h (default_function_value): Declare.
8774
8775 2005-07-13  Ian Lance Taylor  <ian@airs.com>
8776
8777         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8778
8779 2005-07-14  Jan Hubicka  <jh@suse.cz>
8780
8781         * tree-dfa.c (dump_variable): Use default_def function.
8782         * tree-ssa-alias.c (dump_points_to_info): Likewise.
8783         * tree-ssa.c (verify_use): Likewise.
8784         * tree-ssanames.c (release_ssa_name): Likewise.
8785         * tree-tailcall.c (eliminate_tail_call): Likewise.
8786         (tree_optimize_tail_calls_1): Likewise.
8787         * tree-vrp.c (get_value_range): Likewise.
8788
8789 2005-07-14  Ben Elliston  <bje@au.ibm.com>
8790
8791         * gcc.c (main): Compare language[0] with '*' when iterating over
8792         the infiles.
8793
8794 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8795
8796         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8797         "s390_emit_compare".  Add handling of CCZ1mode.
8798         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8799         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8800         checking.
8801         (s390_branch_condition_mask): Add CCZ1mode handling.
8802         * config/s390/s390.md: ("seq", "*seq"): New pattern.
8803         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8804         Use CCZ1mode instead of CCZmode.
8805         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
8806
8807 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
8808
8809         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8810         pattern.
8811         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8812
8813 2005-07-13  Eric Christopher  <echristo@redhat.com>
8814
8815         * config/mips/mips.c (mips_canonicalize_comparison): New.
8816         (mips_emit_int_relational): Use.
8817
8818 2005-07-13  Eric Christopher  <echristo@redhat.com>
8819
8820         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8821         static extra parts.
8822         * config/s390/s390.md: Include tpf.md. Move tpf specific
8823         patterns...
8824         * config/s390/tpf.md: To here.
8825         * config/s390/s390.opt: Move tpf specific options...
8826         * config/s390/tpf.opt: to here. Add mmain option.
8827         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8828         * config/s390/tpf.h: Rewrite.
8829
8830 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
8831
8832         * doc/tm.texi: Remove @xref{Cross-profiling}.
8833
8834 2005-07-13  Jeff Law  <law@redhat.com>
8835
8836         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8837         expressions, test their _DECL operands for pointer equality rather
8838         than using operand_equal_p.
8839
8840 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
8841
8842         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8843         (TARGET_POSIX_IO): This.
8844         * config/darwin.h: Likewise.
8845         * config/freebsd.h: Likewise.
8846         * config/linux.h: Likewise.
8847         * config/lynx.h: Likewise.
8848         * config/netbsd.h: Likewise.
8849         * config/rs6000/linux64.h: Likewise.
8850         * config/rs6000/linux.h: Likewise.
8851         * config/s390/tpf.h: Likewise.
8852         * config/sh/embed-elf.h: Likewise.
8853         * config/sparc/linux64.h: Likewise.
8854         * config/sparc/linux.h: Likewise.
8855         * config/svr4.h: Likewise.
8856         * gcov-io.h: Likewise.
8857
8858         * doc/tm.texi: Updated.
8859
8860         * libgcov.c (create_file_directory): Defined only if
8861         TARGET_POSIX_IO is defined.
8862         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8863         is defined.
8864
8865 2005-07-13  Jan Hubicka  <jh@suse.cz>
8866
8867         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8868
8869 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
8870
8871         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8872         structure as argument.
8873
8874 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
8875
8876         PR tree-optimization/21921
8877         * tree-iterator.c (tsi_link_before): Support the case when
8878         tsi_end_p (tsi) == true.
8879
8880 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8881
8882         PR tree-optimization/22442
8883         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8884         correctly.
8885
8886 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8887
8888         PR rtl-optimization/20376
8889         * toplev.c (process_options): Enable -fweb and -frename-registers when
8890         unrolling.
8891         * doc/invoke.texi: Update the information about when -fweb and
8892         -frename-registers are enabled.
8893
8894 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8895
8896         PR tree-opt/21840
8897         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8898         if *rhs_p is not a SSA_NAME.
8899
8900 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
8901
8902         Fix PR tree-optimization/22422
8903         * tree-ssa-structalias.c (struct variable_info): Add flag for
8904         special vars.
8905         (get_varinfo): Now a static function.
8906         (new_varinfo): init has_union and is_special_var to false.
8907         (solution_set_add): Check has_union.
8908         (do_da_constraint): Move temporary variable so it gets reset
8909         properly.
8910         Also check for special variable.
8911         (do_ds_constraint): Ditto.
8912         (do_sd_constraint): Ditto.
8913         (do_structure_copy): Check for special variable.
8914         (find_func_aliases): Ditto.
8915         (init_base_vars): Set special vars properly.
8916
8917 2005-07-13  Jan Hubicka  <jh@suse.cz>
8918
8919         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8920         do unit-at-a-time.
8921
8922         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8923         (get_expr_operands): Fix thinko wrt flags and subvars.
8924
8925         PR tree-optimize/22379
8926         * tree-inline.c (expand_call_inline): Do not output sorry in early
8927         inlining.
8928
8929 2005-07-12  Dale Johannesen  <dalej@apple.com>
8930
8931         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
8932
8933 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8934
8935         PR bootstrap/21704
8936         * host-linux.h: Include limits.h.
8937
8938 2005-07-12  Dale Johannesen  <dalej@apple.com>
8939
8940         * expr.c (compress_float_constant):  Add cost check.
8941         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
8942
8943 2005-07-12  Dale Johannesen  <dalej@apple.com>
8944
8945         * gcc.target/i386/compress-float-sse.c:  New.
8946         * gcc.target/i386/compress-float-sse-pic.c:  New.
8947         * gcc.target/i386/compress-float-387.c:  New.
8948         * gcc.target/i386/compress-float-387-pic.c:  New.
8949         * gcc.dg/compress-float-ppc.c:  New.
8950         * gcc.dg/compress-float-ppc-pic.c:  New.
8951
8952 2005-07-12  Eric Christopher  <echristo@redhat.com>
8953
8954         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8955         static extra parts.
8956         * config/s390/s390.md: Include tpf.md. Move tpf specific
8957         patterns...
8958         * config/s390/tpf.md: To here.
8959         * config/s390/s390.opt: Move tpf specific options...
8960         * config/s390/tpf.opt: to here. Add mmain option.
8961         * config/s390/tpf-unwind.h: Remove unnecessary defines.
8962         * config/s390/tpf.h: Rewrite.
8963
8964 2005-07-12  Eric Christopher  <echristo@redhat.com>
8965
8966         * gcc.c (struct infile): Update comment for language.
8967         (main): Rewrite input file resetting code.
8968
8969 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
8970
8971         PR tree-opt/22335
8972         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8973         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
8974         (lookup_avail_expr): Use constant_boolean_node instead
8975         of boolean_false_node/boolean_true_node.
8976
8977 2005-07-12  Ben Elliston  <bje@au.ibm.com>
8978
8979         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8980         and use it when printing num_edges.
8981
8982 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
8983
8984         * doc/extend.texi (Blackfin Built-in Functions): New section.
8985         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8986         @opindex.
8987
8988 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
8989
8990         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8991         s/cmpstrsi/cmpstrnsi
8992         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8993         'cmpstrnsi'.
8994         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8995         (init_optabs): Initialize cmpstrn_optab.
8996         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8997         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8998         * expr.c: (enum insn_code cmpstrn_optab): Declare.
8999         * config/i386/i386.md: s/cmpstr/cmpstrn
9000         * config/c4x/c4x.md: s/cmpstr/cmpstrn
9001         * doc/md.texi: Update documentation.
9002
9003 2005-07-11  Richard Henderson  <rth@redhat.com>
9004
9005         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9006         build_va_arg_indirect_ref.
9007         (alpha_gimplify_va_arg): Likewise.
9008         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9009         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9010         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9011         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9012         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9013         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9014         Likewise.
9015         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9016
9017 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9018
9019         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9020         * passes.c (init_optimization_passes): Add pass_empty_loop.
9021         * tree-pass.h (pass_empty_loop): Declare.
9022         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9023         try_remove_empty_loop, remove_empty_loops): New functions.
9024         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9025         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9026
9027 2005-07-12  Peter Barada  <peter@the-baradas.com>
9028
9029         PR middle-end/16719
9030         PR middle-end/18421
9031         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9032         in address registers.
9033         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9034         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9035         alternative of addsi3_5200.
9036
9037 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9038
9039         * config/mips/mips.md (ffs<mode>2): Remove.
9040
9041 2005-07-11  Ian Lance Taylor  <ian@airs.com>
9042
9043         * doc/tree-ssa.texi (Cleanups): Improve description of
9044         TRY_FINALLY_EXPR.
9045         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9046
9047 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9048
9049         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9050         * tree.h (DECL_ARGUMENT_FLD): New macro.
9051
9052 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
9053
9054         Fix PR tree-optimization/22404
9055
9056         * tree-ssa-structalias.c (create_variable_info_for): Use
9057         correct offset.
9058
9059 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
9060
9061         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9062         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9063         for second comparison operand.
9064         * config/bfin/predicates.md (reg_or_const_int_operand): New.
9065
9066         * config/bfin/bfin.md (define_attr "type"): Add "sync".
9067         (define_insn_reservation "alu"): Likewise.
9068         (csync, ssync): Now of type sync.
9069         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9070         -mcsync-anomaly -mspecld-anomaly.
9071         * config/bfin/bfin.opt (mcsync): Remove.
9072         (mcsync-anomaly, mspecld-anomaly): Add.
9073         * config/bfin/bfin.c: Include "insn-codes.h".
9074         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9075         (TARGET_DEFAULT_TARGET_FLAGS): New.
9076         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9077
9078 2005-07-11  Steven Bosscher  <stevenb@suse.de>
9079
9080         * basic-block.h: Give the BB flags enum a name, bb_flags.
9081         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9082         * cfgcleanup.c (enum bb_flags): Remove here.
9083         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9084         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9085         (update_forwarder_flag): Likewise.
9086         (thread_jump): Likewise.
9087         (try_forward_edges): Likewise.
9088         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
9089         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
9090         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9091
9092 2005-07-11  Richard Guenther  <rguenther@suse.de>
9093
9094         * config/i386/i386.opt: New target option -msseregparm.
9095         * config/i386/i386.c (override_options): Error out for
9096         -msseregparm but no SSE support.
9097         (ix86_function_sseregparm): Check for global sseregparm.
9098         * doc/invoke.texi: Document -msseregparm.
9099
9100 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9101
9102         * config.gcc (m32r-*-linux*): Use the default extra_parts.
9103         (m32rle-*-linux*): Ditto.
9104
9105 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
9106
9107         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9108         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9109         bytes.
9110
9111 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9112
9113         PR middle-end/22239
9114         PR target/20126
9115         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9116         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9117
9118 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
9119
9120         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9121         (varmap): Heapify varmap.
9122         (constraints): Heapify constraints.
9123         (struct constraint_graph): Heapify succs and preds.
9124         (constraint_vec_find): Update for heapification.
9125         (constraint_set_union): Ditto.
9126         (insert_into_complex): Ditto.
9127         (constraint_edge_vec_find): Ditto.
9128         (erase_graph_self_edge): Ditto.
9129         (add_graph_edge): Ditto.
9130         (get_graph_weights): Ditto.
9131         (merge_graph_nodes): Ditto.
9132         (build_constraint_graph): Ditto.
9133         (topo_visit): Ditto.
9134         (solve_graph): Ditto.
9135         (create_variable_info_for): Ditto.
9136         (init_base_vars): Ditto.
9137         (delete_points_to_sets): Free graph, varmap, and complex constraints.
9138         (condese_varmap_nodes): Free complex vector.
9139         (clear_edges_for_node): Clear succs and preds vector.
9140
9141 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
9142
9143         * tree-ssa-structalias.c (update_alias_info): Change counting of
9144         references to not include vdefs.
9145
9146 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
9147
9148         * tree-ssa-alias.c (free_used_part_map): Add missing free.
9149         (up_insert): Ditto.
9150
9151 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9152
9153         * pa.c (pa_commutative_p): Make PLUS commutative when
9154         TARGET_NO_SPACE_REGS is true.
9155
9156 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
9157
9158         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9159         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9160         * tree-dfa.c (dump_subvars_for): New.
9161         (debug_subvars_for): New.
9162         (dump_variable): Show subvariables if VAR has them.
9163         * tree-flow-inline.h (get_subvar_at): New.
9164         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9165         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9166         Update all users.
9167         (struct subvar): Change fields offset and size to unsigned
9168         HOST_WIDE_INT.
9169         (dump_subvars_for): Declare.
9170         (debug_subvars_for): Declare.
9171         (get_subvar_at): Declare.
9172         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9173         to unsigned HOST_WIDE_INT *.
9174         (overlap_subvar): Likewise.
9175         * tree-gimple.c (is_gimple_reg): Always return false for
9176         SFTs and memory tags.
9177         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9178         Update all callers.
9179         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9180         (compute_may_aliases): Call compute_points_to_sets.
9181         (collect_points_to_info_for): Remove.
9182         (compute_points_to_and_addr_escape): Remove.
9183         (delete_alias_info): Call delete_points_to_sets.
9184         (compute_flow_sensitive_aliasing): If the call to
9185         find_what_p_points_to returns false, call set_pt_anything.
9186         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9187         (set_pt_anything): Clear pi->pt_vars.
9188         (set_pt_malloc): Remove.
9189         (merge_pointed_to_info): Remove.
9190         (add_pointed_to_expr): Remove.
9191         (add_pointed_to_var): Remove.
9192         (collect_points_to_info_r): Remove.
9193         (is_escape_site): Make extern.
9194         (create_sft): New.
9195         (create_overlap_variables_for): Call it.
9196         * tree-ssa-copy.c (merge_alias_info): Never merge
9197         flow-sensitive alias information.
9198         * tree-ssa-operands.c (get_expr_operands): Adjust variables
9199         offset and size to be unsigned HOST_WIDE_INT.
9200         (add_to_addressable_set): Rename from note_addressable.
9201         Set TREE_ADDRESSABLE as the variables are added to the set.
9202         Update all users.
9203         (add_stmt_operand): Do not try to micro-optimize unmodifiable
9204         operands into VUSEs when adding V_MAY_DEFs for members in an
9205         alias set.
9206         * tree-ssa-operands.h (add_to_addressable_set): Declare.
9207         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9208         (struct variable_info): Add bitfield is_heap_var.
9209         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9210         (new_var_info): Initialize is_heap_var.
9211         (get_constraint_for): Add HEAP variables to the symbol table.
9212         Mark them with is_heap_var.
9213         (update_alias_info): New.  Taken mostly from the old
9214         compute_points_to_and_addr_escape.
9215         (handle_ptr_arith): New.
9216         (find_func_aliases): Call update_alias_info.
9217         Call handle_ptr_info for tcc_binary expressions.
9218         Call mark_stmt_modified.
9219         (create_variable_info_for): If DECL has subvars, do not create
9220         variables for its subvars.  Always add all the fields.
9221         (set_uids_in_ptset): If the solution includes ANYOFFSET and
9222         SFTs, then add all the SFTs of the structure.
9223         If VI->DECL is an aggregate with subvariables, add the SFT at
9224         VI->OFFSET.
9225         (find_what_p_points_to): If VI is an artificial variable,
9226         translate to bitfields in SSA_NAME_PTR_INFO.
9227         If the solution is empty, set pi->pt_vars to NULL
9228         (init_base_vars): Create ANYOFFSET.
9229         (compute_points_to_sets): Rename from create_alias_vars.
9230         Make extern.
9231         (pass_build_pta): Remove.
9232         (delete_points_to_sets): Rename from delete_alias_vars.
9233         (pass_del_pta): Remove.
9234         * tree-ssa-structalias.h (struct alias_info): Move from
9235         tree-ssa-alias.h.
9236         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9237         NUM_REFERENCES_SET): Likewise.
9238         (compute_points_to_sets, delete_points_to_sets): Declare.
9239
9240 2005-07-09  Richard Henderson  <rth@redhat.com>
9241
9242         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9243         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9244         alpha_split_lock_test_and_set_12): New functions.
9245         * config/alpha/alpha-protos.h: Update.
9246         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9247         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9248         * config/alpha/sync.md (I12MODE): New.
9249         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9250         (sync_<fetchop_name><I48MODE>): Likewise.
9251         (sync_nand<I48MODE>): Likewise.
9252         (sync_old_<fetchop_name><I48MODE>): Likewise.
9253         (sync_new_<fetchop_name><I48MODE>): Likewise.
9254         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9255         (sync_compare_and_swap<I48MODE>): Likewise.
9256         (sync_lock_test_and_set<I48MODE>): Likewise.
9257         (sync_compare_and_swap<I12MODE>): New.
9258         (sync_compare_and_swap<I12MODE>_1): New.
9259         (sync_lock_test_and_set<I12MODE>): New.
9260         (sync_lock_test_and_set<I12MODE>_1): New.
9261
9262 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
9263
9264         PR 21356
9265         PR 22332
9266         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9267
9268 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
9269
9270         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9271         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9272
9273 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
9274
9275         PR target/21656
9276         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9277
9278 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
9279
9280         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9281         memory_operand constraint.
9282         (store_conditional_<mode>): Same.
9283         (sync_compare_and_swap<mode>): Same.
9284         (sync_lock_test_and_set<mode>): Same.
9285
9286 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
9287
9288         Rewrite PIC support to more closely model actual instructions.
9289         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9290         (cris_symbol): Remove prototypes for removed functions.
9291         (cris_pic_symbol_type_of, cris_valid_pic_const)
9292         (cris_expand_pic_call_address): Prototypes for new functions.
9293         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9294         variable.
9295         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9296         modifiers.
9297         <case ':'>: Add case for new punctuation character.
9298         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9299         emitting (extra) PIC modifier.
9300         <case UNSPEC>: Do not assert for PLT.
9301         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9302         (cris_expand_prologue, cris_expand_epilogue): Check
9303         for pic_offset_table_rtx usage instead of taking
9304         current_function_uses_pic_offset_table as the final word.
9305         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9306         Remove flag_pic difference.
9307         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9308         the moral equivalents of...
9309         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9310         functions.
9311         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9312         (cris_handle_option): Mark ARG as unused.
9313         (cris_expand_pic_call_address): New worker function for "call",
9314         "call_value".
9315         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9316         output PIC constructs here.
9317         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9318         as symbol-specific modifers, not whole or part of operands.
9319         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9320         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9321         constants and flag_pic.
9322         (CONSTANT_INDEX_P): Adjust for new functions.
9323         (enum cris_pic_symbol_type): New helper type.
9324         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9325         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9326         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9327         define_constants.
9328         ("movsi"): Emit actual instructions for GOT and relative access.
9329         ("*movsi_got_load"): New pattern to set up the register holding
9330         the GOT pointer.
9331         ("*movsi_internal"): Operand 1 is not a plain general_operand.
9332         Adjust FIXME for 'S'.
9333         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9334         Use "movs" for -fpic cases.
9335         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9336         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9337         ("call", "call_value"): Just call cris_expand_pic_call_address for
9338         PIC addresses.
9339         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9340         Remove special pattern.
9341         ("*expanded_call_side", "*expanded_call_value_side"): New
9342         patterns.
9343         (gotplt-to-plt, gotplt-to-plt-side-call)
9344         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9345         peephole2:s.
9346         * config/cris/cris/predicates.md
9347         ("cris_general_operand_or_gotless_symbol"): Remove unused
9348         predicate.
9349         ("cris_general_operand_or_symbol"): Adjust for new functions.
9350
9351 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9352
9353         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9354
9355 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
9356
9357         * Makefile.in (TREE_H): Add treestruct.def.
9358         (c-decl.o): Add pointer-set.h
9359         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9360         visibility on regular DECL's.
9361         (merge_decls): Fix the copying of decl nodes of various types for
9362         the new structures.  Don't update RTL, section name, weak status,
9363         etc, on DECL's without RTL.
9364         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9365         Don't check volatile on non-variable types.
9366         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9367         to check whether we have seen arguments.
9368         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9369         flag is checked before field (flag is common, field is not).
9370         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
9371         TS_DECL_COMMON could have an origin.
9372         (add_location_or_const_value_attribute): Don't check section name
9373         on non-var/function decls.
9374         (dwarf2out_var_location): Reverse order of tests.
9375         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9376         with DECL_WRTL_CHECK.
9377         * expmed.c (make_tree): rtl is now in decl_with_rtl.
9378         * fold-const.c (fold_binary): Don't check weakness on
9379         non-var/function decls.
9380         (tree_expr_nonzero_p): Ditto.
9381         (fold_checksum_tree): Use tree_decl_extra as sizeof
9382         buffer.
9383         * ggc-page.c (extra_order_size_table): Add sizes for
9384         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
9385         tree_field_decl.
9386         * gimplify.c (gimplify_bind_expr): Only set
9387         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9388         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9389         without RTL.
9390         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9391         * langhooks.h (init_ts). New langhook.
9392         * passes.c (rest_of_decl_compilation): Reverse order of tests.
9393         * print-tree.c (print_node): Update to only print fields that
9394         exist in the structures the passed decl has.
9395         * toplev.c (wrapup_global_declarations): Don't reset
9396         DECL_DEFER_OUTPUT on DECL's that don't contain it.
9397         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9398         * tree-inline.c (remap_decl): Ditto.
9399         * tree-outof-ssa.c (create_temp): Reverse order of tests.
9400         * tree-pretty-print.c (print_declaration): Don't print
9401         DECL_REGISTER on things that don't contain it.
9402         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9403         non-var/function decls.
9404         * tree.c (tree_contains_struct): New structure.
9405         (init_priority_for_decl): New hashtable.
9406         (tree_int_map): New structure.
9407         (tree_int_map_eq): New function.
9408         (tree_int_map_marked_p): Ditto.
9409         (tree_int_map_hash): Ditto.
9410         (tree_map): Move to tree.h.
9411         (tree_map_eq): Externalize.
9412         (tree_map_hash): Ditto.
9413         (tree_map_marked_p): Ditto.
9414         (init_ttree): Set up tree_contains_struct and call langhook.
9415         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9416         (tree_code_size): Update for new structures.
9417         (tree_node_structure): Update for new structures.
9418         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9419         without the field.
9420         (copy_node_stat):  Copy init priority.
9421         (build_decl_stat): Ditto for visibility.
9422         (ts_enum_names): New.
9423         (tree_contains_struct_check_failed): New function.
9424         (decl_init_priority_lookup): Ditto.
9425         (decl_init_priority_insert): Ditto.
9426         * treestruct.def: New file.
9427         * tree.h (CODE_CONTAINS_STRUCT): New macro.
9428         (CONTAINS_STRUCT_CHECK): Ditto.
9429         (tree_contains_struct_check_failed): New prototype.
9430         (DECL_CHECK): Removed.
9431         (DECL_MINIMAL_CHECK): New.
9432         (DECL_COMMON_CHECK): Ditto.
9433         (DECL_WRTL_CHECK): Ditto.
9434         (DECL_NON_COMMON_CHECK): Ditto.
9435         (DECL_WITH_VIS_CHECK): Ditto.
9436         (VAR_OR_FUNCTION_DECL_P): Ditto
9437         (struct tree_decl_minimal): New structure.
9438         (struct tree_decl_common): Ditto.
9439         (struct tree_decl_with_rtl): Ditto.
9440         (struct tree_decl_with_vis): Ditto.
9441         (struct tree_decl_non_common): Ditto.
9442         (struct tree_field_decl): Ditto.
9443         (struct tree_parm_decl): Ditto.
9444         (struct tree_var_decl): Ditto.
9445         (struct tree_function_decl): Ditto.
9446         (struct tree_const_decl): Ditto.
9447         (struct tree_result_decl): Ditto.
9448         (union tree_node): Add new structures.
9449         * var-tracking.c (track_expr_p): Reverse order of tests.
9450
9451         * doc/c-tree.texi: Add documentation on DECL node internal structure.
9452
9453 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9454
9455         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9456         * system.h: Poison FINALIZE_PIC.
9457         * doc/tm.texi (FINALIZE_PIC): Remove.
9458
9459 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9460
9461         PR tree-opt/22329
9462         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9463         to the correct type if we have a MODIFY_EXPR.
9464
9465 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
9466
9467         PR tree-optimization/22360
9468         * tree.c (upper_bound_in_type): Fix calculations for casting
9469         to a non-wider signed type and casting a signed value to a
9470         wider unsigned type.
9471         (lower_bound_in_type): Fix calculations for casting to a
9472         non-wider signed type.
9473
9474         PR tree-optimization/20139
9475         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9476         release_defs.
9477         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9478         fold_cond_expr_cond.
9479         * tree-ssanames.c (release_defs): Assert in_ssa_p.
9480         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9481
9482 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
9483
9484         PR tree-opt/22356
9485         * tree-complex.c (expand_complex_libcall): Produce
9486         REALPART_EXPR/IMAGPART_EXPR with the correct type.
9487
9488 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
9489
9490         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9491         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9492         b" assert and inserted fastpath code for this case.
9493         (bitmap_ior): Removed "a != b" assert.
9494
9495 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9496
9497         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9498         (ENDFILE_SPEC): Likewise.
9499         * config/m32r/m32r.h (ASM_SPEC): Likewise.
9500
9501         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9502         a large stack frame at epilogue.
9503
9504 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
9505
9506         * final.c: Include sdbout.h when required.
9507
9508 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
9509
9510         * config.gcc (*-*-darwin*): Only one target-specific header file
9511         for generic darwin.
9512         (powerpc-*-darwin*): Add version-specific header files.
9513         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9514         * config.in: Regenerate.
9515         * configure: Regenerate.
9516         * gcc.c: Include xregex.h.
9517         (version_compare_spec_function): New.
9518         (spec_function): Add version-compare.
9519         (replace_outfile_spec_function): Reformat comment.
9520         (compare_version_strings): New.
9521         * config/darwin-c.c (version_as_macro): New.
9522         (builtin_define): New.
9523         (darwin_cpp_builtins): New.
9524         * config/darwin-protos.h (darwin_cpp_builtins): New.
9525         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9526         (LIB_SPEC): Make unconditional, update comment.
9527         (TARGET_C99_FUNCTIONS): Define.
9528         * config/darwin.opt: Sort.
9529         (mmacosx-version-min=): New.
9530         * config/darwin7.h: Delete.
9531         * config/darwin8.h: Delete.
9532         * config/i386/darwin.h (): Call darwin_cpp_builtins.
9533         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9534         (TARGET_C99_FUNCTIONS): Define.
9535         * config/rs6000/darwin7.h: New.
9536         * config/rs6000/darwin8.h: New.
9537         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9538         (-mmacosx-version-min): Document.
9539
9540 2005-07-07  Ian Lance Taylor  <ian@airs.com>
9541
9542         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9543
9544 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
9545
9546         PR middle-end/22239
9547         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9548
9549 2005-07-07  Khem Raj  <kraj@mvista.com>
9550
9551         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9552         in bytes, not words.
9553
9554 2005-07-07  Paul Brook  <paul@codesourcery.com>
9555
9556         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9557         DEFAULT_FUNCTION_ARG_PADDING to upward.
9558
9559 2005-07-07  Richard Henderson  <rth@redhat.com>
9560
9561         * function.c (locate_and_pad_parm): Record parameter alignment in
9562         stack_alignment_needed.
9563
9564 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
9565
9566         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9567         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9568         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9569         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9570         (define_attr "type"): Add isync, sync, load_l, store_c.
9571         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9572         Create scratch volatile MEM.
9573         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
9574         sync.
9575         (load_locked_<mode>): New.
9576         (store_conditional_<mode>): New.
9577         (sync_compare_and_swap<mode>): Replace with splitter.
9578         (sync_lock_test_and_set<mode>): Replace with splitter.
9579         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9580         and UNSPECV_ISYNC.
9581         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
9582         is ics.  Attribute isync.
9583         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
9584         lwsync.
9585         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9586         and UNSPECV_SYNC_OP.
9587         (emit_unlikely_jump): New.
9588         (emit_load_locked): New.
9589         (emit_store_conditional): New.
9590         (rs6000_split_compare_and_swap): New.
9591         (rs6000_split_lock_test_and_set): New.
9592         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9593         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9594         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9595         rs6000_split_lock_test_and_set): Declare.
9596         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9597         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9598         store_c, isync, sync.
9599
9600 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
9601
9602         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9603         filenames to gtyp-gen.h.
9604         (s-typ-gen): Use it in place of for loops.
9605
9606 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
9607
9608         * hooks.c (hook_bool_rtx_int_false): New function.
9609         * hooks.h (hook_bool_rtx_int_false): Declare.
9610         * target-def.h (TARGET_COMMUTATIVE_P): Define.
9611         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9612         * target.h (struct gcc_target): Add commutative_p member.
9613         * targhooks.c (hook_bool_rtx_commutative_p): New function.
9614         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9615         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9616         (pa_commutative_p): New function.
9617         * jump.c (target.h): Include.
9618         (rtx_renumbered_equal_p): Use targetm.commutative_p.
9619         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9620
9621 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9622
9623         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9624         (s390_expand_setmem): New.
9625         * config/s390/s390.c: Likewise.
9626         (print_shift_count_operand): Truncate to 12 bits instead of 6.
9627         Adapt comments.
9628         * config/s390/s390.md: ("setmem<mode>"): Accept character as
9629         general_operand.  Call new function "s390_expand_setmem".
9630         ("clrmem_long", "*clrmem_long"): Rewrite to ...
9631         ("setmem_long", "*setmem_long"): ... this.
9632
9633 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9634
9635         * config/s390/s390.c: (optimization_options): Enable
9636         TARGET_MVCLE at -Os.
9637         * doc/invoke.texi: Document changes in default behaviour.
9638         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9639
9640 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
9641
9642         * expr.c: (set_storage_via_setmem): Convert opchar to mode
9643         defined by back-end.
9644
9645 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
9646
9647         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9648         all sets in the pattern.
9649         * config/rs6000/rs6000.md (stack_protect_testsi,
9650         stack_protect_testdi): Likewise.
9651
9652 2005-07-06  Jeff Law  <law@redhat.com>
9653
9654         * tree-vrp.c (simplify_using_ranges): Kill.
9655         (vrp_finalize): Remove call to simplify_using_ranges.
9656         (simplify_stmt_using_ranges): New function extracted from
9657         simplify_using_ranges.
9658         (simplify_div_or_mod_using_ranges): Likewise.
9659         (simplify_abs_using_ranges): Likewise.
9660         (simplify_cond_using_ranges): New function.
9661         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9662         * tree-ssa-propagate.c (substitute_and_fold): Call
9663         simplify_stmt_using_ranges if we have range information.
9664
9665 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
9666
9667         * config/ia64/ia64.c (ia64_reorg): Check optimize before
9668         ia64_flag_schedule_isns2.
9669
9670         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9671         reading/writing general registers.
9672         (ia64_function_arg): Revert 2005-06-18 change.
9673
9674 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
9675
9676         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9677         (legitimize_tls_address): Use gcc_unreachable instead of abort.
9678
9679 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
9680
9681         * function.c (expand_function_end): Revert part of 2005-06-27
9682         patch.  Do sjlj_emit_function_exit_after after return_label.
9683
9684 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9685
9686         * doc/install.texi (--disable-libssp): New.
9687
9688 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
9689
9690         * doc/invoke.texi: Update -fforce-mem documentation.
9691         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9692         code for -fforce-mem.
9693         * expmed.c: (store_bit_field,store_fixed_bit_field,
9694         extract_bit_field): Ditto.
9695         * expr.c: (convert_move): Ditto.
9696         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9697         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9698         emit_conditional_add,expand_float,expand_fix): Ditto.
9699         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9700         (common_handle_option): Issue warning when -fforce-mem specified.
9701
9702 2005-07-06  Paul Brook  <paul@codesourcery.com>
9703
9704         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9705         argument is empty.
9706         * configure: Regenerate.
9707
9708 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
9709
9710         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9711
9712 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
9713
9714         Fix PR tree-optimization/22319
9715         Fix PR tree-optimization/22140
9716         Fix PR tree-optimization/22310
9717
9718         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9719         variable sized types.
9720         Use correct type for intermediate structure on *a = *b structure
9721         copies.
9722
9723 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9724
9725         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9726         Remove.
9727         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9728         (machine_function): Move typedef to...
9729         * config/rs6000/rs6000.c (machine_function): ... here.  Add
9730         varargs_save_offset field.
9731         (rs6000_stack_t): Remove varargs_size field.
9732         (setup_incoming_varargs): Allocate varargs save area using
9733         assign_stack_local, try to make it as small as possible.
9734         Save offset from virtual_stack_vars_rtx to the save area
9735         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
9736         instead of magic 8 when fp word byte size is used.
9737         (rs6000_va_start): Use cfun->machine->varargs_save_offset
9738         instead of -RS6000_VARARGS_SIZE.
9739         (rs6000_stack_info, debug_stack_info,
9740         rs6000_initial_elimination_offset): Remove all traces of
9741         varargs_size.
9742         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9743         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9744         RS6000_VARARGS_AREA.
9745
9746 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
9747
9748         PR tree-optimization/21963
9749         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9750         constant_multiple_of in the same way get_computation_cost_at does.
9751
9752 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
9753
9754         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9755         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9756         (gen_compare_reg): If sparc_compare_emitted is set, clear it
9757         and return its previous value.
9758         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9759         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9760         constants.
9761         (stack_protect_set, stack_protect_test): New expanders.
9762         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9763         stack_protect_testdi): New insns.
9764         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9765         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9766
9767 2005-07-06  Jeff Law  <law@redhat.com>
9768
9769         * tree-ssa-dce.c (cfg_altered): New global.
9770         (tree_dce_init): Initialize cfg_altered.
9771         (remove_dead_stmt): If we remove an edge in the CFG, then set
9772         CFG_ALTERED.
9773         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9774         the dominators.
9775
9776 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
9777
9778         * Makefile.in (stamp-collect-ld): Use
9779         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
9780         ./collect-ld if it already exists.
9781         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9782         Don't remove ./nm if it already exists.
9783
9784 2005-07-05  Devang Patel  <dpatel@apple.com>
9785
9786         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9787         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9788         * tree-vectorizer.c (vect_loop_location): New.
9789         (vect_print_dump_info): Use vect_loop_location.
9790         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9791         (vectorize_loops): Set vect_loop_location.
9792         * tree-vect-analyze.c (vect_analyze_offset_expr,
9793         vect_determin_vectorization_factor, vect_analyze_operations,
9794         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9795         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9796         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9797         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9798         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9799         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9800         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9801         vect_analyze_loop): Adjust vect_print_dump_info API.
9802         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9803         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9804         vect_finish_stmt_generation, vectorizable_assignment,
9805         vectorizable_operation, vectorizable_store, vectorizable_load,
9806         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9807         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9808         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9809         vect_transform_loop): Same.
9810         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9811         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9812         Same.
9813
9814 2005-07-05  Randolph Chung  <tausq@debian.org>
9815
9816         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9817         * configure: Regenerate.
9818         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9819         (pa_tls_referenced_p): Declare.
9820         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9821         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9822         (legitimize_tls_address): New.
9823         (hppa_legitimize_address): Handle TLS addresses.
9824         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9825         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9826         (emit_move_sequence): Handle TLS addresses.
9827         (pa_encode_section_info): Call default handler to handle common
9828         sections.
9829         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9830         (CONSTANT_ADDRESS_P): Reject TLS operands.
9831         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9832         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9833         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9834         (UNSPEC_TLSLE): Define new constants.
9835         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9836         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9837         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9838         (tie_symbolic_operand, tle_symbolic_operand): New
9839
9840 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
9841
9842         * aclocal.m4: Update macros for autoconf 2.59 style.
9843         * configure.ac: Likewise.
9844
9845 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9846
9847         * pa.c (function_value): Handle small aggregates on 32-bit targets.
9848         (function_arg): Pass small aggregates in general registers on 32-bit
9849         targets.
9850         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9851
9852 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
9853
9854         * Makefile.in (final.o): Fix dependencies.
9855
9856 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
9857
9858         PR c/22013
9859         PR c/22098
9860         * langhooks.h (struct lang_hooks): Add expr_to_decl.
9861         * langhooks.c (lhd_expr_to_decl): New.
9862         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9863         New.
9864         (LANG_HOOKS_INITIALIZER): Update.
9865         * tree.c (recompute_tree_invarant_for_addr_expr): Call
9866         expr_to_decl langhook.
9867         * c-tree.h (c_expr_to_decl): Declare.
9868         * c-typeck.c (c_expr_to_decl): New.
9869         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9870         specially.
9871         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9872
9873 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
9874
9875         PR c/22308
9876         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9877         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9878
9879 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
9880
9881         * Makefile.in: Adjust dependencies.
9882         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9883         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9884         * alias.c (rest_of_handle_cfg, pass_cfg): New.
9885         * bb-reorder.c (duplicate_computed_gotos): Make it static.
9886         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9887         rest_of_compilation.
9888
9889         * bb-reorder.c (gate_duplicate_computed_gotos,
9890         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9891         rest_of_handle_reorder_blocks, pass_reorder_blocks,
9892         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9893         pass_partition_blocks): New.
9894         * bt-load.c (gate_handle_branch_target_load_optimize,
9895         rest_of_handle_branch_target_load_optimize,
9896         pass_branch_target_load_optimize): New.
9897         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9898         pass_jump2): New.
9899         * cfglayout.c (pass_insn_locators_initialize): New.
9900         * cfgrtl.c (pass_free_cfg): New.
9901         * combine.c (gate_handle_combine, rest_of_handle_combine,
9902         pass_combine): New.
9903         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9904         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9905         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9906         * except.c (pass_set_nothrow_function_flags,
9907         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9908         pass_rtl_eh): New.
9909         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9910         rest_of_handle_shorten_branches, pass_shorten_branches,
9911         rest_of_clean_state, pass_clean_state): New.
9912         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9913         rest_of_handle_remove_death_notes, pass_remove_death_notes,
9914         rest_of_handle_life, pass_life, rest_of_handle_flow2,
9915         pass_flow2): New.
9916         * function.c (pass_instantiate_virtual_regs, pass_init_function,
9917         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9918         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9919         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9920         pass_gcse): New.
9921         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9922         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9923         pass_rtl_ifcvt, gate_handle_if_after_combine,
9924         rest_of_handle_if_after_combine, pass_if_after_combine,
9925         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9926         pass_if_after_reload): New.
9927         * integrate.c (pass_initial_value_sets): New.
9928         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9929         pass_purge_lineno_notes): New.
9930         * mode-switching.c (rest_of_handle_mode_switching,
9931         pass_mode_switching): New.
9932         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9933         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9934         pass_loop2): New.
9935         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9936         pass_loop_optimize): New.
9937         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9938         pass_sms): New.
9939         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9940         pass_gcse2): New.
9941         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9942         pass_postreload_cse): New.
9943         * profile.c (gate_handle_profiling, pass_profiling,
9944         rest_of_handle_branch_prob, pass_branch_prob): New.
9945         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9946         pass_split_before_regstack, gate_handle_split_before_regstack,
9947         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9948         rest_of_handle_split_all_insns, pass_split_all_insns): New.
9949         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9950         pass_stack_regs): New.
9951         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9952         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9953         pass_stack_adjustments): New.
9954         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9955         pass_regrename): New.
9956         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9957         pass_delay_slots, gate_handle_machine_reorg,
9958         rest_of_handle_machine_reorg, pass_machine_reorg): New.
9959         * rtl.h (extern void purge_line_number_notes): New.
9960         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9961         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9962         pass_sched2): New.
9963         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9964         pass_tracer): New.
9965         * value-prof.c (gate_handle_value_profile_transformations,
9966         rest_of_handle_value_profile_transformations,
9967         pass_value_profile_transformations): New.
9968         * var-tracking.c (gate_handle_var_tracking,
9969         pass_variable_tracking): New.
9970         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9971
9972         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9973         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9974         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9975         rest_of_handle_old_regalloc, rest_of_handle_regrename,
9976         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9977         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9978         rest_of_handle_gcse2, rest_of_handle_regmove,
9979         rest_of_handle_tracer, rest_of_handle_if_conversion,
9980         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9981         rest_of_handle_web, rest_of_handle_branch_prob,
9982         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9983         rest_of_handle_jump_bypass, rest_of_handle_combine,
9984         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9985         rest_of_handle_gcse, rest_of_handle_loop_optimize,
9986         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9987         rest_of_handle_mode_switching, rest_of_handle_jump,
9988         rest_of_handle_eh, rest_of_handle_stack_adjustments,
9989         rest_of_handle_flow2, rest_of_handle_jump2,
9990         rest_of_handle_peephole2, rest_of_handle_postreload,
9991         rest_of_handle_shorten_branches, rest_of_clean_state,
9992         rest_of_compilation): Remove.
9993
9994         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9995         * passes.c (dump_flags, in_gimple_form, all_passes,
9996         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9997         register_dump_files, next_pass_1, last_verified, execute_todo,
9998         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9999         from tree-optimize.c.
10000         (init_optimization_passes): Moved from tree-optimize.c,
10001         adding the RTL optimizations.
10002         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10003         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10004         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10005         register_dump_files, next_pass_1, last_verified, execute_todo,
10006         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10007         init_tree_optimization_passes, ipa_passes): Delete.
10008         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10009         the RTL dumps.
10010         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10011         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10012         from tree.h.
10013         (ipa_passes): Remove.
10014         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10015         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10016         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10017         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10018         (dump_info_p, dump_flag): Moved to tree-dump.h.
10019
10020         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10021         cgraph.c, opts.c.
10022         * passes.c (finish_optimization_passes): Use dump_begin
10023         and dump_end, TDI_end.
10024         (gate_rest_of_compilation): New.
10025         (pass_rest_of_compilation): Use it.
10026         (gate_postreload, pass_postreload): New.
10027         * toplev.c (general_init): Rename init_tree_optimization_passes.
10028         * toplev.h (init_tree_optimization_passes): Rename to
10029         init_optimizations_passes.
10030         * tree-dump.c (dump_flag): Make static.
10031         (dump_files): Remove RTL dumps.
10032         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10033         pass_cleanup_cfg, pass_free_cfg_annotations,
10034         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10035         pass_init_datastructures, pass_fixup_cfg): Make non-static.
10036         * tree-pretty-print.c: Include tree-pass.h.
10037         * cgraph.c: Include tree-dump.h.
10038
10039 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10040
10041         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10042         Only fall back to saying it points to readonly memory if
10043         we can't do better.
10044
10045 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10046
10047         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10048         * config/m32r/m32r.c (m32r_compute_frame_size,
10049         m32r_expand_prologue): Take current_function_profile into
10050         account whenever we reference
10051         current_function_uses_pic_offset_table.
10052         (m32r_finalize_pic): Remove.
10053         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10054
10055 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
10056
10057         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10058         instead of $<.  Don't remove ./as if it already exists.
10059
10060 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10061
10062         PR target/21723
10063         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10064         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10065         for complex modes when generating code for PA 1.0.
10066         (VALID_FP_MODE_P): New macro.
10067         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10068         sets for all general and floating point modes.  Align wide floating
10069         point modes to even register boundaries to comply with architectural
10070         requirements.
10071         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10072         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10073         (VALID_FP_MODE_P): New macro.
10074         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
10075         sets for all general and floating point modes.  Align wide floating
10076         point modes to even register boundaries to comply with architectural
10077         requirements.
10078
10079 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10080
10081         * tree-dump.c (dump_files): Initialize dump number for .cgraph
10082         to 0.
10083
10084 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10085
10086         * tree-ssa-structalias.c: Don't include expr.h.
10087
10088 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
10089
10090         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10091         comments.
10092
10093 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
10094
10095         Fix PR tree-optimization/22279
10096
10097         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10098         correct operator.
10099
10100 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
10101
10102         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10103
10104 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
10105
10106         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10107         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10108         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10109         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10110         config/stormy16/stormy16.c, config/v850/v850.c,
10111         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10112         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10113         Avoid "." or "\n" at end of diagnostics and capital letters at
10114         start of diagnostics.
10115         * combine.c, cse.c: Don't translate dump file output.
10116         * toplev.c (print_version): Only translate output if going to
10117         stderr.
10118
10119 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
10120
10121         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10122         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10123         typos.
10124
10125 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10126
10127         * pa.c (fix_range): Fix typo in comment.
10128
10129 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
10130
10131         * tree-vrp.c (extract_range_from_assert): Replace
10132         fold (build (...)) with fold_build2.
10133
10134 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10135
10136         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10137         gcc_gfc_char_table, init_dynamic_gfc_info): New.
10138         (format_types_orig, handle_format_attribute): Add support for
10139         format "gcc_gfc".
10140
10141 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10142
10143         * varasm.c (assemble_variable): Fix format specifier thinko.
10144
10145 2005-07-03  Ira Rosen  <irar@il.ibm.com>
10146
10147         PR tree-optimization/22029 (and 22135)
10148         * tree-pretty-print.c (dump_generic_node): Check that the node is not
10149         a phi node before calling dump_vops.
10150
10151 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10152
10153         * tree-dump.h (dump_string_field): Declare.
10154         * tree-dump.c: Use it instead of dump_string.
10155         (dump_string_field): Make non-static.
10156
10157 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10158
10159         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10160         up the minimal CFG stuff always when optimize > 0.  Call
10161         split_all_insns_noflow in PIC case if needed.
10162
10163 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10164             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10165
10166         PR c++/18279
10167         * c-decl.c (c_write_global_declarations): Dump contents of
10168         external scope to.
10169         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10170         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10171         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10172         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10173         is enabled.
10174
10175 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
10176
10177         * c-common.h (GCC_DIAG_STYLE): Define.
10178         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
10179         version for format checking to 4.1.
10180         * c-format.c: Include toplev.h after c-common.h.
10181         (enum format_type): Add gcc_tdiag_format_type.
10182         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10183         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10184         (format_types_orig): Add gcc_tdiag.
10185         (init_dynamic_diag_info): Support gcc_tdiag formats.
10186         (handle_format_attribute): Likewise.
10187         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10188         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
10189         version for format checking to 4.1.
10190         (warning0, warning, error, pedwarn, sorry): Use
10191         ATTRIBUTE_GCC_DIAG.
10192         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10193         (finish_aliases_1): Do not use %qE.
10194         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10195         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10196         Correct format bugs.
10197         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10198         parameter to unsigned HOST_WIDE_INT.
10199         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10200
10201 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
10202
10203         PR middle-end/21742
10204         * expr.c (write_complex_part): Use adjust_address for MEM.
10205         (read_complex_part): Same.
10206
10207 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
10208
10209         Fix PR tree-optimization/22280
10210
10211         * tree-sra.c (generate_element_init): Remove useless loop.
10212
10213 2005-07-02  Richard Henderson  <rth@redhat.com>
10214
10215         * config/alpha/alpha.c (alpha_legitimize_address): Check for
10216         TLS_MODEL_NONE.
10217         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10218
10219 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
10220
10221         PR middle-end/14490
10222         * fold-const.c (fold_binary): Handle the return value of
10223         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10224         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10225
10226 2005-07-02  Jeff Law  <law@redhat.com>
10227
10228         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10229         a eliminate type conversion which feeds an equality comparison
10230         if the original type or either operand in the comparison is a
10231         function pointer.
10232
10233 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
10234
10235         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10236         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10237         texts.
10238         * config/avr/avr.c: Do not use '`' as left quote.
10239         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10240         Remove "." from end of diagnostics.  Make diagnostics start with
10241         lowercase letter.
10242
10243 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
10244             Joseph S. Myers  <joseph@codesourcery.com>
10245
10246         * toplev.c (default_tree_printer): Handle setting location with
10247         '+' flag.
10248         * c-objc.common.c (c_tree_printer): Likewise.
10249         * c-format.c (gcc_diag_flag_specs): Add '+'.
10250         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10251         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10252         formats.
10253         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10254         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10255         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10256         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10257         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10258         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
10259         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
10260         format arguments where %J is used without %D.
10261
10262 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
10263
10264         * gcc.c (LINK_SSP_SPEC): Define.
10265         (link_ssp_spec): New variable.
10266         (LINK_COMMAND_SPEC): Add %(link_ssp).
10267         (static_specs): Add link_ssp_spec.
10268         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10269         * configure: Rebuilt.
10270         * config.in: Rebuilt.
10271
10272         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10273         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10274         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10275         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10276         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10277         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10278         -0x7008(2) instead of reading __stack_chk_guard variable.
10279         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10280         number.
10281         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10282         (stack_protect_set, stack_protect_test): Use *_tls* patterns
10283         if TARGET_THREAD_SSP_OFFSET is defined.
10284         (stack_tls_protect_set_si, stack_tls_protect_set_di,
10285         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10286
10287         Revert:
10288         2005-06-27  Richard Henderson  <rth@redhat.com>
10289         * libgcc-std.ver (GCC_4.1.0): New.
10290         * libgcc.h (__stack_chk_guard): Declare.
10291         (__stack_chk_fail, __stack_chk_fail_local): Declare.
10292         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10293         * mklibgcc.in (lib2funcs): Add them.
10294
10295 2005-07-01  Richard Henderson  <rth@redhat.com>
10296
10297         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10298         void * before struct sigcontext *.
10299         (x86_fallback_frame_state): Likewise.
10300
10301 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
10302
10303         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10304
10305 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
10306
10307         PR tree-opt/22269
10308         * tree-ssa-reassoc.c (should_transpose): Fix which operand
10309         we check for SSA_NAME for.
10310
10311 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
10312
10313         Fix PR tree-optimization/22071
10314
10315         * tree-ssa-structalias.c (offset_overlaps_with_access): New
10316         function.
10317         (get_constraint_for_component_ref): Use it.
10318
10319 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
10320
10321         PR other/22264
10322         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10323         print out the last new line.
10324
10325 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
10326
10327         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10328         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10329         * config/cris/cris.c (cris_conditional_register_usage): Adjust
10330         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10331         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10332         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10333         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10334         (enum reg_class): New member CC0_REGS.
10335         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10336         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10337         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10338         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10339         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10340         Adjust for register now described.
10341
10342 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
10343
10344         PR target/22262
10345         * config/i386/i386.md (stack_protect_test_si,
10346         stack_protect_test_di): Add earlyclobber for scratch 3.
10347         * config/rs6000/rs6000.md (stack_protect_testsi,
10348         stack_protect_testdi): Add earlyclobber for scratch 3,
10349         remove earlyclobber from scratch 4.
10350
10351 Older entries for 2005 can be found in ChangeLog-2005.