2005-12-29 Paul Brook <paul@codesourcery.com>
[official-gcc.git] / gcc / ChangeLog
blob32606d7694b9d63fd6f7e015be2081d923695401
1 2005-12-29  Paul Brook  <paul@codesourcery.com>
3         * config/m68k/m68k.h (RETURN_ADDR_RTX): Define.
4         * config/m68k/m68k.c (m68k_initial_elimination_offset): Remove FIXME.
5         Include offset due to FIRST_PARM_OFFSET.
7 2005-12-29  Paul Brook  <paul@codesourcery.com>
9         * config/m68k/lb1sf68.asm (__cmpdf2): Fix typo in immediate mask.
10         Create wrapper and rename body...
11         (__cmpdf2_internal): ... to this.  Return correct value for unordered
12         result.
13         (__cmpsf2): Create wrapper and rename body...
14         (__cmpsf2_internal): ... to this.  Return corerct value for unordered
15         result.
16         (__eqdf2, __nedf2, __gtdf2, __gedf2, __ltdf2, __ledf2): Use
17         __cmpdf2_internal.
18         (__eqsf2, __nesf2, __gtsf2, __gesf2, __ltsf2, __lesf2): Use
19         __cmpsf2_internal.
21 2005-12-29  Paul Brook  <paul@codesourcery.com>
23         * config/m68k/fpgnulib.c (__extendsfdf2): Handle negative zero.
24         (__truncdfsf2): Ditto.
25         (__extenddfxf2): Ditto.
26         (__truncxfdf2): Ditto.
27         * config/m68k/lb1sf68.asm (__addsf3): Return -0.0 for -0.0 + -0.0.
28         (__adddf3): Ditto.
30 2005-12-29  Daniel Jacobowitz  <dan@codesourcery.com>
31         Paul Brook  <paul@codesourcery.com>
33         * config/m68k/m68k.c (m68k_output_pic_call): Don't use bsr.l for
34         !TARGET_68020.
35         * config/m68k/t-m68kelf (EXTRA_PARTS): Remove.
36         (EXTRA_MULTILIB_PARTS): Set.
37         * config/m68k/t-uclinux (EXTRA_PARTS): Remove.
38         (EXTRA_MULTILIB_PARTS): Set.
40 2005-12-29  Alan Modra  <amodra@bigpond.net.au>
42         PR target/25572
43         * config/rs6000/rs6000.c (create_TOC_reference): Set regs_ever_live.
45 2005-12-28  Nathan Sidwell  <nathan@codesourcery.com>
47         * config.gcc (mt-*-*): Add --with-arch support.
48         (--with): Print accepted options on error.
49         * config/mt/mt.h (OPTION_DEFAULT_SPECS): Define.
51         * config/mt/mt.c (DEF_VEC_P(basic_block),
52         DEF_VEC_ALLOC_P(basic_bloc,heap)): Remove from here.
54 2005-12-28  Daniel Berlin  <dberlin@dberlin.org>
56         Fix PR tree-optimization/25394
57         * fold-const.c (fold_checksum_tree): Guard 
58         portions of checksumming with correct structure checks.
60 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
62         * global.c, tree-ssa-pre.c: Move DEF_VEC_P(basic_block) and
63         DEF_VEC_ALLOC_P(basic_block,{gc,heap}) to ...
64         * basic-block.h: ... here.
66 2005-12-27  Roger Sayle  <roger@eyesopen.com>
68         * fold-const.c (int_const_binop): Return NULL_TREE when an expression
69         can't be evaluated at compile-time (instead of calling abort).
70         Return NULL_TREE for division (and modulus) by zero.
71         (const_binop):  Return NULL_TREE for floating point operators that
72         aren't handled by real_arithmetic.
73         (fold_binary):  Eliminate "wins" variable, and "binary" label, by
74         folding operators with constant operands early.  Assert that
75         operands are non-NULL.
77 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
79         * tree-vrp.c (extract_range_from_binary_expr): Use
80         build_int_cst instead of fold_convert.
82 2005-12-26  Mark Mitchell  <mark@codesourcery.com>
84         PR c++/23171, c++/23172, c++/25417.
85         * c-decl.c (compound_literal_number): Remove.
86         (build_compound_literal): Use set_compound_literal_name.
87         * c-common.c (compound_literal_number): New variable.
88         (set_compound_literal_name): New function.
89         * c-common.h (set_compound_literal_name): Declare.
90         
91 2005-12-26  Kazu Hirata  <kazu@codesourcery.com>
93         PR tree-optimization/25125
94         * convert.c (convert_to_integer): Don't narrow the type of a
95         PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
96         is signed.
98 2005-12-26  Graham Stott  <graham.stott@btinternet.com>
100         PR middle-end/25568
101         * combine.c (simplify_shift_const_1 <case PLUS>):Fix enable-checking
102         rtl bootstrap failure.
104 2005-12-25  Kazu Hirata  <kazu@codesourcery.com>
106         * final.c (compute_alignments): Make it static.
107         * gcse.c (gcse_main, bypass_jumps): Likewise.
108         * web.c (web_main): Likewise.
109         * output.h: Remove the prototype for compute_alignments.
110         * rtl.h: Remove the prototypes for web_main, gcse_main, and
111         bypass_jumps.
113 2005-12-24  Roger Sayle  <roger@eyesopen.com>
115         * expr.c (force_operand): Use expand_fix and expand_float to
116         implement integer <-> FP conversions instead of convert_to_mode.
118 2005-12-24  Mark Mitchell  <mark@codesourcery.com>
120         PR c++/23171
121         * varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a
122         CONSTRUCTOR is invalid.
124 2005-12-23  Daniel Berlin  <dberlin@dberlin.org>
126         * tree-pass.h (pass_eliminate_useless_stores): Remove.
127         * tree-ssa-pre.c (is_copy_stmt): Ditto.
128         (follow_copies_till_vuse): Ditto.
129         (do_eustore): Ditto.
130         (gate_eustores): Ditto.
131         (pass_eliminate_useless_stores): Ditto.
132         * passes.c (init_optimization_passes): Ditto.
134 2005-12-23  Paolo Bonzini  <bonzini@gnu.org>
136         * combine.c (simplify_shift_const): Fix typo.  Use, whenever
137         applicable, simplify_const_binary_operation.
139         (simplify_shift_const): Leave only the fallback
140         case when no simplification is possible.  Extract to...
141         (simplify_shift_const_1): ... here.  Always create a new
142         RTX instead of substituting.  Remove the signed_count variable.
143         Return NULL_RTX if no substitution is possible.
145         (simplify_and_const_int): Leave only the fallback
146         case when no simplification is possible.  Extract to...
147         (simplify_and_const_int_1): ... here.  Always create a new
148         RTX instead of substituting.  Return NULL_RTX if no substitution
149         is possible.
151         (force_to_mode, simplify_comparison): Don't pass a non-NULL first
152         parameter to simplify_and_const_int and simplify_shift_const,
153         unless it is equal to the expected non-simplified result.
155 2005-12-23  Jakub Jelinek  <jakub@redhat.com>
157         PR target/25005
158         * regrename.c (replace_oldest_value_reg): Use validate_change with
159         IN_GROUP set to 1 instead of doing direct modifications.
160         (copyprop_hardreg_forward_1): Likewise.  If any replace_oldest_*
161         replacements have been performed on an instruction, use
162         apply_change_group ().
164 2005-12-23  Hans-Peter Nilsson  <hp@axis.com>
166         * config/cris/arit.c (do_31div): Clarify what "31" refers to.
167         [L_divsi3] (__Udiv): Don't use as inline function.
168         [L_modsi3] (__Umod): Ditto.
169         (__Div): Rearrange to call do_31div directly instead of __Udiv.
170         (__Mod): Similarly regarding __Umod.
172         PR target/24342
173         * config/cris/cris.c (cris_split_movdx): Add REG_INC notes for
174         emitted insns with post-increments.
175         (cris_expand_epilogue): Ditto.
177 2005-12-22  Jakub Jelinek  <jakub@redhat.com>
178             Richard Henderson  <rth@redhat.com>
180         Merge from gomp-branch.
181         * builtins.def: Move all DEF_SYNC_BUILTIN to ...
182         * sync-builtins.def: ... new file.
183         (BUILT_IN_FETCH_AND_ADD_16,
184         BUILT_IN_FETCH_AND_SUB_16, BUILT_IN_FETCH_AND_OR_16,
185         BUILT_IN_FETCH_AND_AND_16, BUILT_IN_FETCH_AND_XOR_16,
186         BUILT_IN_FETCH_AND_NAND_16, BUILT_IN_ADD_AND_FETCH_16,
187         BUILT_IN_SUB_AND_FETCH_16, BUILT_IN_OR_AND_FETCH_16,
188         BUILT_IN_AND_AND_FETCH_16, BUILT_IN_XOR_AND_FETCH_16,
189         BUILT_IN_NAND_AND_FETCH_16, BUILT_IN_BOOL_COMPARE_AND_SWAP_16,
190         BUILT_IN_VAL_COMPARE_AND_SWAP_16, BUILT_IN_LOCK_TEST_AND_SET_16,
191         BUILT_IN_LOCK_RELEASE_16): New builtins.
192         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
193         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
194         * builtins.c (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
195         * c-common.c (enum c_builtin_type): Move to top-level from
196         c_common_nodes_and_builtins enum builtin_type.
197         (builtin_types): Move from c_common_nodes_and_builtins.
198         (def_fn_type): New.
199         (c_common_nodes_and_builtins): Use it.
200         (def_builtin_1): Check for error_mark_node.
201         (sync_resolve_size): Handle also 128 bit sync builtins.
202         * Makefile.in (BUILTINS_DEF): New.  Use it instead of builtins.def.
204         * config/i386/i386.h (x86_cmpxchg8b, x86_cmpxchg16b): New decls.
205         (TARGET_CMPXCHG8B, TARGET_CMPXCHG16B): Define.
206         * config/i386/i386.c (x86_cmpxchg8b, x86_cmpxchg16b): New variables.
207         * config/i386/sync.md (CASMODE, DCASMODE): New mode macros.
208         (doublemodesuffix, DCASHMODE): New mode attrs.
209         (sync_compare_and_swap<mode>): Change into expand, use CASMODE
210         instead of IMODE, if mode is wider than a word, expand into
211         sync_double_compare_and_swap*.
212         (*sync_compare_and_swap<mode>): New insn.
213         (sync_double_compare_and_swap<mode>): Likewise.
214         (*sync_double_compare_and_swapdi_pic): Likewise.
215         (sync_compare_and_swap_cc<mode>): Use CASMODE instead of IMODE, if
216         mode is wider than a word, expand into
217         sync_double_compare_and_swap_cc*.
218         (sync_double_compare_and_swap_cc<mode>): New insn.
219         (*sync_double_compare_and_swap_ccdi_pic): Likewise.
221 2005-12-22  Richard Henderson  <rth@redhat.com>
223         * config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2.
224         (_mm_sub_si64): Likewise.
225         * config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise.
227 2005-12-23  Alan Modra  <amodra@bigpond.net.au>
229         PR rtl-optimization/25432
230         * reload1.c (eliminate_regs_in_insn): Update insn code on
231         successfully re-recognizing modified insn.
233 2005-12-22  Richard Guenther  <rguenther@suse.de>
235         * tree.c (tree_fold_gcd): Use build_int_cst where appropriate.
236         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
237         * varasm.c (array_size_for_constructor): Likewise.
238         * fold-const.c (size_diffop, invert_truthvalue,
239         optimize_bit_field_compare, make_range, build_range_check,
240         fold_cond_expr_with_comparison, fold_truthop,
241         fold_single_bit_test_into_sign_test, fold_binary): Likewise.
243 2005-12-22  Dale Johannesen  <dalej@apple.com>
245         * config/i386/sse.md (sse_movhlps):  Reverse operands for
246         2nd and 3rd alternatives.
248 2005-12-22  Andrew Pinski <pinskia@physics.uc.edu>
250         PR tree-opt/25513
251         * tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex
252         variables.
254 2005-12-22  Zdenek Dvorak <dvorakz@suse.cz>
255             Steven Bosscher <stevenb@suse.de>
257         * df.c (df_bitmaps_free): Only work for bbs for that structures are
258         allocated.
259         (df_bb_modify): Realloc tables to the new index.
260         (df_find_use): New function.
261         (df_find_def, df_reg_used): Handle subregs.
262         * df.h (df_find_use): Declare.
264         * loop-invariant.c: Include hashtab.h.
265         (struct invariant): Remove processed field, add eqto and reg fields.
266         (struct invariant_expr_entry): New.
267         (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
268         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
269         find_identical_invariants, merge_identical_invariants): New functions.
270         (create_new_invariant): Return the new invariant.  Initialize new
271         fields.
272         (find_invariants): Call merge_identical_invariants.
273         (get_inv_cost, best_gain_for_invariant, set_move_mark,
274         move_invariant_reg): Handle equivalent invariants.
275         * Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.
277 2005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
279         PR c++/23333
280         * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
281         number is a single digit '0'.
283 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
285         PR tree-optimization/23518
286         * fold-const.c (make_range): Don't move a constant to the
287         other side of the comparison if the type is signed and -fwrapv
288         is given.
290 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
292         * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
293         of vr0.type.
295 2005-12-21  Joseph S. Myers  <joseph@codesourcery.com>
297         PR middle-end/24998
298         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
299         _floatundisf.
301 2005-12-21  Andrew Haley  <aph@redhat.com>
303         PR middle-end/25121
304         * recog.c (peephole2_optimize): Don't peephole any
305         RTX_FRAME_RELATED_P insns.
307 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
309         * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
310         fold_build2 with fold_binary.
311         * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
312         Replace fold_build1 with fold_unary.
313         * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
314         with fold_binary.
316 2005-12-21  Steven Bosscher  <stevenb@suse.de>
318         PR rtl-optimization/25196
319         * postreload-gcse.c (record_last_set_info): Notice stack pointer
320         changes in push insns without REG_INC notes.
322 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
324         PR tree-optimization/25382.
325         * tree-vrp.c (extract_range_from_binary_expr): Extract a range
326         from BIT_AND_EXPR.
328 2005-12-21  Janis Johnson  <janis187@us.ibm.com>
329             Ben Elliston  <bje@au.ibm.com>
331         * configure.ac: Enable C extension for decimal float if invoked
332         with --enable-decimal-float.
333         * doc/install.texi (Configuration): Document it.
334         * configure, config.in: Regenerate.
336 2005-12-20  Mike Stump  <mrs@apple.com>
338         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
339         ambiguity between -seg_addr_table and -seg_addr_table_filename.
340         (WORD_SWITCH_TAKES_ARG): Likewise.
341         (LINK_SPEC): Likewise.
343 2005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>
345         * cfganal.c (flow_reverse_top_sort_order_compute):
346         Renamed to post_order_compute and additional parameter added which
347         allows the inclusion of entry and exit blocks into list.
348         (mark_dfs_back_edges): Fixed comment.
349         (flow_depth_first_order_compute): Renamed to
350         pre_and_rev_post_order_compute additional parameter added which
351         allows the inclusion of entry and exit blocks into list.
352         * global.c (set_up_bb_rts_numbers): Call to
353         flow_reverse_top_sort_order_compute renamed to
354         post_order_compute.
355         * var-tracking.c (vt_stack_adjustments): Fixed comment.
356         (vt_find_locations): Call to
357         flow_depth_first_order_compute renamed to
358         pre_and_rev_post_order_compute.
359         * cfgloop.c (flow_find_loops): Ditto.
360         * tree-ssa-reassoc.c (init_reassoc): Ditto.
361         * df.c (df_analyze_1, df_analyze_subcfg): Calls to
362         flow_reverse_top_sort_order_compute renamed to post_order_compute
363         and calls to flow_reverse_top_sort_order_compute renamed to
364         post_order_compute.
365         * basic_block.h: Ditto.
368 2005-12-20  Roger Sayle  <roger@eyesopen.com>
369             Paolo Bonzini  <bonzini@gnu.org>
371         PR rtl-optimization/25115
372         * gcse.c (pre_insert_copy_insn): Fall back to the sole
373         SET in the insn if there is no SET for an
374         expression that is equivalent to EXPR.
376 2005-12-20  Richard Guenther  <rguenther@suse.de>
378         PR middle-end/24306
379         * builtins.c (std_gimplify_va_arg_expr): Do not align
380         va frame for zero sized types.
381         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
383 2005-12-20  Kazu Hirata  <kazu@codesourcery.com>
385         PR tree-optimization/25501
386         * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
387         used in the PHI argument corresponding to the edge from BB to
388         DEST.
390 2005-12-20  Richard Guenther  <rguenther@suse.de>
392         Revert
393         2005-12-02  Richard Guenther  <rguenther@suse.de>
395         * tree-cfg.c (mark_used_vars): New function.
396         (dump_function_to_file): Dump only used VAR_DECLs.
398 2005-12-19  Roger Sayle  <roger@eyesopen.com>
400         * combine.c (try_combine): Improve splitting of binary operators
401         by taking advantage of reassociative transformations.
403 2005-12-19  Jeff Law  <law@redhat.com>
405         * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
406         Strip away all type conversions after simplifying the
407         condition.
409         * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
410         cases the forwarder block dominates the destination.
412 2005-12-19  DJ Delorie  <dj@redhat.com>
414         * reload1.c (spill_failure): Dump reload data to dump file.
415         (find_reload_regs): Likewise.
417 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
419         PR tree-optimization/24793
420         * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
421         original reference if there are subvars.
422         * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
424 2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
426         * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
427         Corrected basic block number calculations for changes in entry and
428         exit numbering.
429         
430 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
432         * tree-flow.h (struct var_ann_d): Change type of
433         may_aliases field to VEC(tree, gc) *.
434         (may_aliases): Declaration changed.
435         * tree-ssa-alias.c (group_aliases, add_may_alias,
436         replace_may_alias, dump_may_aliases_for,
437         is_aliased_with, add_type_alias, new_type_alias):
438         Work with VEC(tree, gc) * instead of varray.
439         * tree-flow-inline.h (may_aliases): Ditto.
440         * tree-ssa.c (verify_flow_insensitive_alias_info,
441         verify_name_tags): Ditto.
442         * tree-ssa-operands.c (add_stmt_operand): Ditto.
444 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
446         * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
447         comes back.
449 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
451         * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
452         check.
454 2005-12-19  Ben Elliston  <bje@au.ibm.com>
456         * doc/install.texi (Configuration): Typo in Fortran subheading.
458 2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
460         * config/mt/mt.md (decrement_and_branch_until_zero): Add another
461         scratch.  Correct its reload split. Adjust its peephole.
462         (doloop_end): Add additional scratch.
463         (nop): Use 'nop'.
464         * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
465         (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
466         (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
467         (mt_builtin_saveregs): Replace with ...
468         (mt_setup_incoming_varargs): ... here.  Save just the varadic
469         args.
470         (mt_va_start): Remove.
471         (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
472         (mt_machine_reorg): Split all insns here.
473         (TARGET_SETUP_INCOMING_VARARGS): Override.
474         * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
475         Set to CPU type.
476         (EXPAND_BUILTIN_VA_START): Remove.
478 2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
480         * flow.c (update_life_info, count_or_remove_death_notes): Fixed
481         latent bug that could happen if update_life_info was called with a
482         blocks parameter and the call to cleanup_cfg actually deleted one
483         of those blocks. 
485 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
487         * tree-ssa-structalias.c (update_alias_info): Remove handling
488         of may_be_aliased (SSA_NAME_VAR (op)) case.
490 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
492         * tree-flow.h (struct stmt_ann_d): Remove
493         makes_aliased_loads and makes_aliased_stores fields.
494         * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
495         and makes_aliased_loads fields.
496         * tree-ssa-dom.c (eliminate_redundant_computations): Do not
497         use makes_aliased_stores.
498         * tree-ssa-operands.c (clobbered_aliased_loads,
499         clobbered_aliased_stores, ro_call_aliased_loads): Removed.
500         (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
501         add_call_read_ops): Do not set makes_aliased_stores and
502         makes_aliased_loads fields.
503         * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
504         field.
506 2005-12-18  Geoffrey Keating  <geoffk@apple.com>
508         * config/darwin.h: Don't include darwin-sections.def to declare
509         global variables; instead create darwin_section_enum.
510         (darwin_section_enum): New.
511         (darwin_sections): New.
512         * config/darwin.c: Don't include darwin-sections.def to define
513         global variables.
514         (darwin_sections): New.
515         (output_objc_section_asm_op): Rewrite to take advantage of
516         darwin_sections.
517         (darwin_init_sections): Rewrite to use darwin_sections.
518         (machopic_output_indirection): Update for darwin_sections array.
519         (machopic_select_section): Likewise.
520         (machopic_select_rtx_section): Likewise.
521         (machopic_asm_out_constructor): Likewise.
522         (machopic_asm_out_destructor): Likewise.
523         (darwin_file_end): Likewise.
524         * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
525         * config/i386/i386.c (machopic_output_stub): Likewise.
527 2005-12-18  Richard Guenther  <rguenther@suse.de>
529         PR tree-optimization/25481
530         * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
531         don't have a varinfo for.
533 2005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
534             Janis Johnson  <janis187@us.ibm.com>
535             Ben Elliston  <bje@au.ibm.com>
537         * optabs.c (init_floating_libfuncs): Handle decimal float modes.
538         (init_optabs): Handle libfuncs for decimal float.
539         * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
540         * stor-layout.c (int_mode_for_mode): Likewise.
541         * simplify-rtx.c (simplify_immed_subreg): Likewise.
542         (simplify_unary_operation_1): Skip optimisations for decimal float
543         modes.
544         * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
545         * emit-rtl.c (gen_const_vector): Add assertion check.
546         (init_emit_once): Populate const_tiny_rtx with constants in each
547         decimal float mode.
548         * expmed.c (extract_high_half, expand_mult_highpart_optab,
549         expand_mult_highpart): Assert that mode is not a scalar float
550         mode.
551         * expr.c (convert_move): Handle conversion between decimal and
552         binary floats of the same size.
553         * convert.c (convert_to_real): Consider decimal float types when
554         folding.
555         * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
556         describe decimal floating point types.
557         
558 2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
560         PR rtl-optimization/21041
561         * reload.c (find_reloads_subreg_address): Replace paradoxical
562         subreg of MEM by widened access only if the resulting memory
563         is properly aligned, even on !STRICT_ALIGNMENT targets.
565 2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
567         * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
569 2005-12-18  Steven Bosscher  <stevenb@suse.de>
571         * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
572         the 2005-12-17 patch to renumber the entry and exit blocks.
574 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
576         * doc/objc.texi (Type encoding): Fix typo.
578 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
580         * tree-tailcall.c (find_tail_calls): Use XNEW.
581         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
582         (free_all_edge_infos): Use explicit cast to convert from void *.
583         (vrp_free): Likewise.
584         (dom_opt_finalize_block): Likewise.
585         (record_equivalences_from_incoming_edge): Likewise.
586         (thread_across_edge): Likewise.  Use XCNEWVEC.
587         (record_cond): Use XCNEW.
588         (record_conditions): Use XNEWVEC.
589         (record_edge_info): Use XCNEWVEC.
590         (lookup_avail_expr): Use XNEW.
591         (record_range): Likewise.  Use GGC_NEW.
592         * tree-nested.c (var_map_hash): Use explicit cast to convert from
593         void *.
594         (var_map_eq): Likewise.
595         (lookup_field_for_decl): Likewise.
596         (convert_nonlocal_reference): Likewise.
597         (convert_local_reference): Likewise.
598         (convert_nl_goto_reference): Likewise.
599         (convert_nl_goto_receiver): Likewise.
600         (convert_call_expr): Likewise.
601         (convert_tramp_reference): Likewise.
602         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
603         (convert_nl_goto_reference): Likewise.
604         (lookup_field_for_decl): Use GGC_NEW.
605         (create_nesting_tree): Use GGC_CNEW.
606         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
607         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
608         (create_alias_map_for): Likewise.
609         (setup_pointers_and_addressables): Use XCNEWVEC.
610         (get_ptr_info): Use GGC_NEW.
611         (used_part_map_eq): Use explicit cast to convert from void *.
612         (up_lookup): Likewise.
613         (up_insert): Use XNEW.
614         (get_or_create_used_part_for): Use XCNEW.
615         (get_tmt_for): Likewise.
616         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
617         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
618         (bitmap_set_new): Use explicit cast to convert from void *.
619         (set_new): Likewise.
620         (insert_into_set): Likewise.
621         (pool_copy_list): Likewise.
622         (phi_translate): Likewise.
623         (create_value_expr_from): Likewise.
624         (insert_aux): Use XCNEWVEC.
625         (compute_avail): Use XNEWVEC.
626         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
627         (sort_coalesce_list): Likewise.
628         (build_tree_conflict_graph): Use XCNEWVEC.
629         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
630         * tree-ssa-copy.c (init_copy_prop): Likewise.
631         (fini_copy_prop): Likewise.
632         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
633         and XCNEWVEC.
634         (record_equiv): Use XNEW.
635         (uncprop_into_successor_phis): Use explicit cast to convert from
636         void *.
637         (uncprop_initialize_block): Likewise.
639 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
641         PR tree-optimization/24378      
642         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
643         basic-block after loop-versioning. 
645 2005-12-18  Jeff Law  <law@redhat.com>
647         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
648         to simplify SWITCH_EXPR_CODE moved from here to ...
649         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
650         (tree-ssa-forward_propagate_single_use_vars): Call
651         simplify_switch_expr when appropriate.
653 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
655         * doc/objc.texi (Type encoding): Add documentation about encoding
656         complex types and _Bool.
658 2005-12-17  Paul Brook  <paul@codesourcery.com>
660         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
661         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
662         when frame_pointer_needed. 
664 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
666         * tree-vn.c (vn_add): Use XNEW.
667         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
668         (ccp_fold): Likewise.
669         (fold_stmt_r): Use explicit cast to convert from void *.
670         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
671         (new_temp_expr_table): Likewise.
672         * gimplify.c (lookup_tmp_var): Use XNEW.
673         (gimplify_asm_expr): Use explcit cast to convert from void *.
674         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
675         (get_def_blocks_for): Use XNEW.
676         (add_to_repl_tbl): Likewise.
677         (mark_def_sites): Use explicit cast to convert from void *.
678         (def_blocks_free): Likewise.
679         (mark_def_sites_initialize_block): Likewise.
680         (update_ssa): Use XNEWVEC.
681         * tree-dfa.c (create_var_ann): Use GGC_NEW.
682         (create_stmt_ann): Likewise.
683         (create_tree_ann): Likewise.
684         (referenced_var_insert): Likewise.
685         (set_default_def): Likewise.
686         (referenced_var_lookup_if_exists): Use explicit cast to convert
687         from void *.
688         (referenced_var_lookup): Likewise.
689         (default_def): Likewise.
690         (set_default_def): Likewise.
691         * tree-cfg.c (create_bb): Likewise.
692         (edge_to_cases_cleanup): Likewise.
693         (verify_node_sharing): Likewise.
694         (record_switch_edge): Use XNEW.
695         (cleanup_dead_labels): Use XCNEWVEC.
696         (tree_duplicate_sese_region): Use XNEWVEC.
697         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
698         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
699         (int_tree_map_eq): Use explicit cast to convert from void *.
700         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
701         (__gcov_execl): Likewise.
702         (__gcov_execlp): Likewise.
703         (__gcov_execle): Likewise.
704         * tree-eh.c (struct_ptr_eq): Likewise.
705         (struct_ptr_hash): Likewise.
706         (lookup_stmt_eh_region_fn): Likewise.
707         (outside_finally_tree): Likewise.
708         (find_goto_replacement): Likewise.
709         (make_eh_edge): Likewise.
710         (mark_eh_edge): Likewise.
711         (add_stmt_to_eh_region_fn): Use GGC_NEW.
712         (record_in_finally_tree): Use XNEW.
713         (maybe_record_in_goto_queue): Use XRESIZEVEC.
714         (lower_try_finally_copy): Use XCNEWVEC.
716 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
718         * tree-inline.c (copy_body_r): Use explicit cast when converting
719         from void *.
720         (copy_bb): Likewise.
721         (copy_edges_for_bb): Likewise.
722         (remap_decl_1): Likewise.
723         (estimate_num_insns_1): Likewise.
724         * cgraph.c (hash_node): Use explicit cast when converting from
725         void *.
726         (eq_node): Likewise.
727         (cgraph_create_node): Use GGC_CNEW.
728         (cgraph_create_edge): Use GGC_NEW.
729         (cgraph_remove_node): Use explicit cast when converting from void *.
730         (hash_varpool_node): Likewise.
731         (eq_varpool_node): Likewise.
732         (cgraph_varpool_node): Use GGC_CNEW.
733         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
734         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
735         (eq_scev_info): Use explicit cast when converting from void *.
736         (find_var_scev_info): Likewise.
737         (set_instantiated_value): Likewise.
738         (gather_stats_on_scev_database_1): Likewise.
739         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
740         from void *.
741         * c-pch.c (c_common_write_pch): Use XNEWVEC.
742         (c_common_read_pch): Likewise.
743         * prefix.c (save_string): Use XNEWVEC.
744         (translate_name): Use explicit cast when converting from void *.
745         * c-ppoutput.c (print_line): Use explicit cast when converting
746         from void *.
747         (pp_dir_change): Likewise.
748         * c-cppbuiltin.c (builtin_define_std): Likewise.
749         (builtin_define_with_value): Likewise.
750         (builtin_define_with_value_n): Likewise.
751         (builtin_define_with_int_value): Likewise.
752         (builtin_define_type_max): Likewise.
753         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
754         (add_path): Use XNEW.
755         * c-format.c (check_format_info_main): Use GGC_NEW.
756         (format_type_warning): Use explicit cast when converting from void *.
757         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
758         xmalloc. 
759         (start_init): Likewise.
760         * tree-flow-inline.h (first_referenced_var): Use explicit cast
761         when converting from void *.
762         (next_referenced_var): Likewise.
763         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
764         * gensupport.c (lookup_predicate): Use explicit cast to convert
765         from void *.
766         (init_predicate_table): Use XCNEW instead of xcalloc.
767         * genpreds.c (process_define_predicate): Likewise.
769 2005-12-17  Danny Berlin <dberlin@dberlin.org>
770             Kenneth Zadeck <zadeck@naturalbridge.com>
772         * basic-block.h: Changed basic block numbering so that the entry
773         block is 0 and the exit block is 1.  Changed insn iterators so
774         that they are tolerant of blocks with no insns.
775         * regrename.c (copyprop_hardreg_forward): Changed basic block
776         numbering so that the entry block is 0 and the exit block is 1.
777         * sched-ebb.c (sehedule_ebbs): Ditto.
778         * tracer.c (branch_ratio_cutoff): Ditto.
779         * cfgloopmanip.c (fix_loop_structure): Ditto.
780         * cfghooks.c (verify_flow_info): Ditto.
781         * cfg.c (compact_blocks): Ditto.
782         * reorg.c (dbr_schedule): Ditto.
783         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
784         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
785         calculate_dominance_info): Ditto.
786         * cfganal.c (create_edge_list, print_edge_list,
787         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
788         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
789         dfs_enumerate_from): Ditto.
790         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
791         * ifcvt.c (find_if_case_2): Ditto.
792         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
793         find_basic_blocks): Ditto.
794         * predict.c (predict_loops, tree_bb_level_predictions,
795         predict_paths_leading_to, propagate_freq): Ditto.
796         * lcm.c (compute_antinout_edge, compute_laterin,
797         compute_available): Ditto.
798         * function.c (thread_prologue_and_epilogue_insns): Ditto.
799         * gcse.c (gcse_main, bypass_jumps): Ditto.
800         * profile.c (compute_branch_probabilities,
801         compute_value_histograms, branch_prob): Ditto.
802         * tree-flow-inline.h (bsi_start, bsi_after_labels,
803         bsi_last): Ditto.
804         * tree-ssa-phiopt.c (tree_ssa_phiopt,
805         blocks_in_phiopt_order): Ditto.
806         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
807         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
808         * tree-dfa.c (collect_dfa_stats): Ditto.
809         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
810         * cfglayout.c (fixup_reorder_chain): Ditto.
811         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
812         partition_hot_cold_basic_blocks): Ditto.
813         * var-tracking.c (vt_find_locations): Ditto.
814         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
815         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
816         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
817         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
818         * tree-ssa-reassoc.c (init_reassoc): Ditto.
819         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
820         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
821         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
822         and removed unused reverse orders.
823         * df.h (): Ditto.
824         * combine.c: Fix document typo.
826 2005-12-17  Jan Hubicka  <jh@suse.cz>
828         * tree-flow-inline.h (set_default_def, default_def): Kill.
829         * tree-dfa.c (default_defs): New global variable.
830         (default_def, set_default_def): New functions.
831         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
832         * tree-flow.h (struct var_ann_d): Kill default_def field.
833         (set_default_def, default_def): Update prototype.
834         (default_defs): Declare.
836 2005-12-16  Jeff Law  <law@redhat.com>
838         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
839         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
840         into tree-ssa-forwprop.c.
841         (eliminate_redundant_computations): Do not call
842         simplify_rhs_and_lookup_avail_expr anymore.
843         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
844         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
845         (tree_ssa_forward_propagate_single_use_vars): Call
846         simplify_not_neg_expr appropriately.
848 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
850         PR target/20016
851         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
853 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
855         PR rtl-optimization/25456
856         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
857         info->x_start with p->x_start.
859 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
861         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
862         introduced 2005-12-16.
864 2005-12-16  Steven Bosscher  <stevenb@suse.de>
866         PR rtl-optimization/23837
867         * optabs.c (expand_binop): For a multi-word rotate, never emit
868         a REG_NO_CONFLICT block.
870 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
872         PR middle-end/25457
873         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
875         PR target/25447
876         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
877         MODE_DECIMAL_FLOAT.
879 2005-12-16  Steven Bosscher  <stevenb@suse.de>
881         * loop-invariant.c (move_loop_invariants): Add missing hunk from
882         the previous patch, to nullify df.
884 2005-12-16  Steven Bosscher  <stevenb@suse.de>
886         * reorg.c (mostly_true_jump): Clean up code depending on
887         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
888         poor man's branch prediction, instead rely on REG_BR_PROB
889         notes to be available.
891 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
893         PR rtl-optimization/24899
894         * loop.c (strength_reduce): Don't reduce giv that is not always
895         computable and where add_val or mult_val can trap.
897         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
899 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
901         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
902         names of ms1-16-002 files.
904 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
906         PR driver/20425
907         * gcc.c (for_each_path): New function.
908         (add_to_obstack, file_at_path): New functions.
909         (struct file_at_path_info, struct add_to_obstack_info): New.
910         (build_search_list): Rewrite using for_each_path.  Constify struct
911         path_prefix pointer.  Add do_multi param.  Adjust all callers.
912         (find_a_file): Similarly, but just change existing param to bool.
913         (putenv_from_prefixes): Add do_multi param, make "paths" const.
914         (do_spec_path): Delete.
915         (struct spec_path_info): New.
916         (spec_path): New function.
917         (do_spec_1): Use for_each_path for %D and %I.
918         (find_file): Adjust for find_a_file changes.
919         (main): Search multilibs for specs.  Print multilib lib path for
920         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
921         (read_specs): Search multilibs for %include and %include_noerr.
922         (is_directory): Remove second string param.  Change last param
923         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
924         check path is a dir.  Update all callers.
925         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
926         * system.h (SMALL_ARG_MAX): Poison.
927         * config.gcc: Don't define SMALL_ARG_MAX.
928         * config.host: Likewise.
929         * config.build: Likewise.
931 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
933         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
934         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
935         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
936         simplify_logical): Move simplifications that do not require
937         additional infrastructure...
938         * simplify-rtx.c (simplify_unary_operation_1,
939         simplify_binary_operation_1): ... here.
941 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
943         PR 24823
944         * flow.c (mark_used_dest_regs): New function.
945         (mark_used_regs): Call mark_used_dest_regs.
947 2005-12-16  Jeff Law  <law@redhat.com>
949         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
950         represent a use and definition of the same SSA_NAME.
952 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
953             Janis Johnson  <janis187@us.ibm.com>
954             Ben Elliston  <bje@au.ibm.com>
956         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
957         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
958         * target.h (struct gcc_target): Add decimal_float_supported_p.
959         * targhooks.c (default_scalar_mode_supported_p): Handle
960         MODE_DECIMAL_FLOAT.
961         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
962         of inf, nan, finite, isinf and isnan.
963         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
964         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
965         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
966         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
967         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
968         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
969         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
970         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
971         Pedwarn if decimal floating point types are used.  Error if
972         decimal floating point is not supported by the target.
973         (finish_declspecs): Return type from DFP typespec_word.
974         * c-typeck.c (c_common_type): Choose the decimal floating point
975         type with the greater precision when determining a common type.
976         (convert_arguments): Warn if there is a mismatch between argument
977         and prototype for decimal float types.  Warn of conversions with
978         binary float types and of precision narrowing due to prototype.
979         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
980         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
981         (c_token_starts_declspecs): Likewise.
982         (c_parser_attributes): Likewise.
983         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
984         RID_DFLOAT64, RID_DFLOAT128.
985         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
986         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
987         (shorten_compare): Convert DFP/BFP operands to a common type.
988         (c_common_modes_and_builtins): Register built-in decimal float
989         types if the target supports them.
990         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
991         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
992         inf, nan, finite, isinf and isnan builtins.
993         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
994         (builtin_define_float_constants): Assert non-decimal radix.
995         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
996         Call builtin_define_decimal_float_constants for each type.
997         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
998         flags.  Use real_from_string3, which can handle binary or decimal
999         floats.
1000         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
1001         cts_dfloat64, cts_dfloat128.
1002         * tree.c (build_common_tree_nodes_2): Add decimal float types.
1003         * tree.h (enum tree_index): Add new enumeration values
1004         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
1005         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
1006         (dfloat32_type_node): New macro.
1007         (dfloat64_type_node, dfloat128_type_node): Likewise.
1008         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
1009         (dfloat128_ptr_type_node): Likewise.
1010         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
1011         bit decimal floating point types with "df", "dd" and "dl".
1012         * c-format.h (enum format_lengths): Add new enumeration values
1013         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
1014         * c-format.c (printf_length_specs, scanf_length_specs): Add
1015         entries for H, D, DD.
1016         (print_char_table, scan_char_table): Use new entries.
1017         (asm_fprintf_char_table, gcc_diag_char_table,
1018         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
1019         length arrays.
1020         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
1021         (DECIMAL64_TYPE_SIZE): Likewise.
1022         (DECIMAL128_TYPE_SIZE): Likewise.
1023         (TARGET_DEC_EVAL_METHOD): Likewise.
1024         * doc/extend.texi (Decimal Float): New node.
1025         (Constructing Calls): Document decimal float built-ins.
1026         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
1027         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
1028         * ginclude/decfloat.h: New file.
1030 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
1032         * reload.c (find_reloads): Fix comment typo.
1033         * recog.h (recog_memoized): Correct comment.
1035 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
1037         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
1038         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
1039         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
1040         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
1041         * doc/invoke.texi, doc/tm.texi: Fix typos.
1043 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1045         * real.c (decimal_quad_format): Correct values for emin, emax.
1047 2005-12-15  DJ Delorie  <dj@redhat.com>
1049         * config/m32c/predicates.md (m32c_psi_scale): New.
1050         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
1051         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
1053 2005-12-16  Jan Hubicka  <jh@suse.cz>
1055         PR rtl-optimization/25224
1056         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
1057         tables.
1059 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
1060             Steven Bosscher <stevenb@suse.de>
1062         * loop-invariant.c (df): New global variable.
1063         (find_defs, check_dependencies, find_invariant_insn, record_uses,
1064         find_invariants_bb, find_invariants_body, find_invariants,
1065         find_invariants_to_move, move_invariants, free_inv_motion_data,
1066         move_single_loop_invariants, move_loop_invariants): Do not pass df in
1067         arguments.
1069 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
1071         * varasm.c (default_unique_section_1): Use special section
1072         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
1074 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1076         * doc/invoke.texi (Warning Options): Document -Walways-true being
1077         enabled by -Wall.
1079 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
1081         PR other/25028
1082         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
1083         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
1084         __floatunditf): Use #error if type sizes don't match requirements
1085         of implementation.
1086         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
1087         as wider floating-point type.  Use #error if type sizes don't
1088         match requirements of implementation.  Avoid overflow in computing
1089         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
1090         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
1091         (__floatundisf, __floatundidf): Likewise.
1092         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
1093         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1094         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
1095         TFmode-TImode conversions.
1096         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
1098 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1100         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
1101         Use builtin_define_with_int_value() instead of
1102         adding a new check for every new major FreeBSD version.
1104 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
1106         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
1108 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1110         * config/arm/predicates.md (call_memory_operand): New.
1111         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
1113 2005-12-15  Andrew Haley  <aph@redhat.com>
1115         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
1116         against prev_cache_entry == NULL when moving a cache entry to the
1117         head of the list.
1118         
1119 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1121         * config/mt/mt.c (mt_override_options): Require lower case
1122         architectures.  Revert accidental default to ms2.
1123         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
1124         ENDFILE_SPEC): Require lower case architectures.  Revert default
1125         to ms2.
1127         * doc/invoke.texi (MT Options): Rename and update.
1128         * doc/md.texi (MorphoTech family): Rename and update.
1130 2005-12-15  Olivier Hainque  <hainque@adacore.com>
1132         * stor-layout.c (layout_type): Don't complain about a too small
1133         an array element type size compared to its alignment when the
1134         size overflows.
1136 2005-12-15  Jan Hubicka  <jh@suse.cz>
1138         PR target/24969
1139         * i386.c (classify_argument): Properly adjust offset of bitfield for
1140         substructures.
1142 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1144         * final.c (final_scan_insn): Flip in_cold_section_p when changing
1145         between the hot and cold sections.  Use current_function_section
1146         to get the new section.
1147         * dwarf2out.c (output_line_info): Use in_cold_section_p to
1148         determine whether we are assembling hot or cold code.
1149         (secname_for_decl, dwarf2out_var_location): Likewise.
1150         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
1151         * varasm.c (last_text_section): Delete.
1152         (in_cold_section_p): New variable.
1153         (hot_function_section): New function.
1154         (current_function_section): Pass in_cold_section_p as the
1155         reloc argument to select_section.  Use it to decide between
1156         unlikely_function_section and hot_function_section.
1157         (assemble_start_function): Use switch_to_section.  Set
1158         in_cold_section_p instead of last_text_section.
1159         (assemble_end_function): Use switch_to_section.
1160         (switch_to_section): Don't set last_text_section.
1161         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
1162         argument to make the right choice between hot and cold sections.
1164 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1166         Second part of MS1->MT renaming
1167         * config/mt/mt.md (doloop_end): Call mt_add_loop.
1168         (movqi, movhi): Call mt_set_memflags.
1169         (*movdf_internal): Call mt_split_words. 
1170         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
1171         mt_set_memflags.
1172         (cmpsi): Store to mt_compare_op[01].
1173         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
1174         bungt, bunle, bunlt): Call mt_emit_cbranch.
1175         (prologue): Call mt_expand_prologue.
1176         (epilogu): Call mt_expend_epilogue.
1177         (eh_return): Call mt_expand_eh_return.
1178         (eh_epilogue): Call me_emit_eh_epilogue.
1179         (conditional_trap): Store to mt_compare_op[01].
1180         * config/mt/crti.asm: Adjust comment.
1181         * config/mt/crtn.asm: Adjust comment.
1182         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
1183         (mt_compare_op0, mt_compare_op1): Renamed.
1184         (current_frame_info, zero_frame_info): Adjust type.
1185         (mt_ucmpsi3_libcall): Renamed.
1186         (mt_flag_delayed_branch): Renamed.
1187         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
1188         (mt_nops_required, mt_nop_reasons): Renamed.
1189         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
1190         mt_debug_stack, mt_print_operand_simple_address,
1191         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
1192         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
1193         mt_function_arg_advance, mt_arg_partial_bytes,
1194         mt_pass_by_reference, mt_function_arg_boundary,
1195         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
1196         mt_legitimate_address_p): Renamed, adjusted.
1197         (mt_cpu): Renamed.
1198         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
1199         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
1200         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
1201         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
1202         mt_expand_eh_return, mt_emit_eh_prologue,
1203         mt_handl_interrupt_attribute): Renamed, adjusted.
1204         (mt_attribute_table): Renamed, adjusted.
1205         (mt_initial_elimination_offset, mt_generate_compare,
1206         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
1207         mt_secondary_reload_class, mt_function_value, mt_split_words,
1208         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
1209         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
1210         (mt_labels): Renamed.
1211         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
1212         mt_machine_reorg): Renamed, adjusted.
1213         (mt_attribute_table: Renamed.
1214         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
1215         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
1216         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
1217         * config/mt/mt.opt (march): Set mt_cpu_string.
1218         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
1219         (TARGET_CPU_CPP_BUILTINS): Adjust.
1220         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
1221         TARGET_MS2): Adjust.
1222         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
1223         (MT_MIN_INT): Renamed.
1224         (RETURN_ADDR_RTX): Adjust.
1225         (struct mt_frame_info): Renamed.
1226         (current_frame_info): Adjust type.
1227         (INITIAL_ELIMINATION_OFFSET): Adjust.
1228         (MT_NUM_ARG_REGS): Renamed.
1229         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
1230         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
1231         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
1232         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
1233         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
1234         (mt_compare_op0, mt_compare_op1): Renamed.
1235         * config/mt/mt-protos.h: Rename prototypes.
1237 2005-12-15  Richard Guenther  <rguenther@suse.de>
1239         * tree-flow.h (okay_component_ref_for_subvars): Remove.
1240         (get_ref_base_and_extent): Declare.
1241         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
1242         (get_ref_base_and_extent): New function.
1243         * tree-ssa-alias.c (find_used_portions): Use it.
1244         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1245         Likewise.
1246         * tree-ssa-operands.c (get_expr_operands): Likewise.
1248 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
1250         * combine.c: Remove force_to_mode's fourth parameter.
1251         (force_to_mode): Do not handle REG.
1252         (canon_reg_for_combine): New.
1253         (make_field_assignment): Use it where the removed argument was non-NULL.
1255 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
1257         PR target/25406
1258         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
1259         error_mark_node.  Make alignment params unsigned.
1260         * config/rs6000/rs6000-protos.h
1261         (rs6000_special_round_type_align): Update prototype.
1262         (rs6000_machopic_legitimize_pic_address): Remove arg names.
1264 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
1266         PR rtl-optimization/25310
1267         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
1268         of the eliminable register when substituting into a PLUS.
1270 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1272         PR debug/25023
1273         * config/i386/i386.c (ix86_force_to_memory): Always use
1274         SImode push for HImode in -m32.
1275         (ix86_free_from_memory): Likewise.
1277 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
1279         * gcc/config/arm/arm.md: Provide a big-endian version of the
1280         (zero_extend:SI (subreg:QI ...)) splitter.
1282 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1284         * struct-equiv.c (note_local_live): Handle hard regs with different
1285         hard_regno_nregs.
1287 2005-12-14  Jeff Law  <law@redhat.com>
1289         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1290         to a structure containing state rather than a pointer to bool.
1291         (case ARRAY_REF): New code to handle folding some array references.
1292         (case ADDR_EXPR): Note when we are processing expressions found
1293         within an ADDRE_EXPR.
1294         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1295         for state variables rather than just a pointer to a boolean.
1296         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1297         handling of constant string references.
1299 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1301         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1302         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1303         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1304         Move other tst* patterns to retain partial order.
1306 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1308         * config/s390/s390.md ("d0", "1"): New mode attributes.
1309         ("<shift>di3", "<shift>si3"): Merge.
1310         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1311         ("ashrdi3", "ashrsi3"): Merge.
1312         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1313         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1314         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1315         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1316         ("*ashrdi3", "*ashrsi3"): Merge.
1317         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1319 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1321         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1322         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1323         ("*extendqidi2", "*extendqisi2") Merge.
1324         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1325         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1326         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1327         Move some patterns to retain partial ordering.
1329 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1331         * config/s390/s390.md ("atype", "length"): Rewrite.
1332         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1334 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1336         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1338 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1340         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1341         PARALLELs with a mode.
1343 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1345         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1346         cond_expr parameter.
1348 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1350         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1352 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1354         PR bootstrap/25397:
1356         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1357         of STACK_REGS bits.
1359         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1361 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1363         PR target/25254
1364         PR target/24188
1365         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1366         DECL_P, call get_section rather than get_named_section.  Supply
1367         section flags to it.
1369 2005-12-14  Ben Elliston  <bje@au.ibm.com>
1371         * c-common.c (c_common_truthvalue_conversion): Generalise warning
1372         for addresses converted to booleans; not just function addresses.
1373         * c-typeck.c (build_binary_op): Warn for address comparisons which
1374         can never be NULL (eg. func == NULL or &var == NULL).
1375         * common.opt (Walways-true): New option.
1376         * c-opts.c (c_common_handle_option): Set it with -Wall.
1377         * doc/invoke.texi: Document it.
1379 2005-12-13  Paul Brook  <paul@codesourcery.com>
1381         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1382         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1384 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1386         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1387         (EXTRA_MULTILIB_PARTS): Define.
1389 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1391         PR rtl-optimization/20070 / part1
1392         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1393         count_or_remove_death_notes with kill == -1.
1394         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1395         registers if PROP_POST_REGSTACK is set.
1396         (mark_used_reg): Likewise.
1397         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1398         REG_UNUSED notes for stack regs.
1399         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1400         to match rtx_equiv_p machinery.  Change caller.
1401         (outgoing_edges_match): Likewise.
1402         (try_crossjump_to_edge): Use struct_equiv_block_eq
1403         instead of flow_find_cross_jump.
1404         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1405         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1406         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1407         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1408         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1409         (insns_match_p): Update prototype.
1410         (flow_find_cross_jump): Remove prototype.
1411         (struct_equiv_block_eq, struct_equiv_init): Declare.
1412         (rtx_equiv_p, condjump_equiv_p): Likewise.
1413         * struct-equiv.c: Include reload.h.
1414         (IMPOSSIBLE_MOVE_FACTOR): Define.
1415         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1416         (struct_equiv_improve_checkpoint): Likewise.
1417         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1418         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1419         (struct_equiv_merge, find_dying_input): Likewise.
1420         (resolve_input_conflict, note_local_live): Likewise.
1421         (death_notes_match_p): Change parameters and processing
1422         to match rtx_equiv_p machinery.  Change caller.
1423         (insns_match_p): Likewise.
1424         (flow_find_cross_jump): Replace with:
1425         (struct_equiv_block_eq).
1427         Back out this change:
1428         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1429           * recog.c (verify_changes): Make it static.
1430           * recog.h: Remove the corresponding prototype.
1432 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1434         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1435         values.
1437 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1439         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1440         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
1441         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1442         TARGET_MS1_64_001 appropriately.
1443         (ms1_machine_reorg): Use TARGET_MS2.
1445 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
1447         PR debug/25023
1448         PR target/25293
1449         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1450         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1451         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1452         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1453         Set mode to SI, adjust constraints.
1454         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1455         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1456         32-bit code.
1458 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
1460         * c-cppbuiltin.c (builtin_define_float_constants): Add
1461         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1462         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1463         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1464         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1465         to "((double)%sL)" otherwise "%s".
1467 2005-12-13  Paul Brook  <paul@codesourcery.com>
1469         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1470         apcs/atpcs.
1472 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1474         * tree-flow.h: Allow compilation with a C++ compiler.
1475         (struct edge_prediction): Prefix all field names  with "ep_".
1476         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1477         (tree_predict_edge, combine_predictions_for_bb): Likewise.
1478         (remove_predictions_associated_with_edge): Likewise.
1479         
1480 2005-12-12  Jeff Law  <law@redhat.com>
1482         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1483         reassociation code.
1484         * passes.c (init_optimization_passes): Run reassociation again
1485         after loop optimizations.
1487 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1489         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1490         if necessary.
1491         (optimize_stmt): Ditto.
1492         (canonicalize_comparison): New function.
1493         * tree-ssa-operands.c (swap_tree_operands): Make external.
1494         (get_expr_operands): Stop auto-canonicalization.
1495         * tree-ssa-reassoc.c: Rewrite.
1496         (init_optimization_passes): 
1497         * tree-flow.h (swap_tree_operands): Prototype.
1498         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1500 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1502         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1503         indicate function epilogue has been output.
1504         (pa_asm_output_mi_thunk): Likewise.
1505         (output_deferred_plabels): Put plabels in readonly data section when
1506         not generating PIC code.
1507         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1508         information.  Add assert.
1509         (som_output_comdat_data_section_asm_op): New function.
1510         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1511         instead of output_section_asm_op for COMDAT sections.
1513 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1515         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1516         Fix whitespace in vincinity of to-be-installed changes.
1517         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1518         (insns_match_p): Likewise.
1520 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1522         * config.gcc (ms1): Replace with ...
1523         (mt): ... this.
1524         * config/ms1: Rename to ...
1525         * config/mt: ... here.  Rename ms1 files to mt.
1526         * config/mt/mt.c: Adjust gt-mt.h #include.
1527         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1528         (crti.o, crtn.o): Adjust file names.
1530 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1532         * varray.h: Allow compilation with a C++ compiler.
1533         (union varray_data_tag): Prefix all field names with "vdt_".
1534         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1535         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1536         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1537         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1538         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1539         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1540         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1541         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
1542         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
1543         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
1544         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
1545         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
1546         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
1547         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1548         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
1549         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
1550         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
1551         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
1552         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
1553         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
1554         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
1555         VARRAY_TOP_TREE_PTR): Likewise.
1556         * varray.c (varray_grow): Likewise.
1557         (varray_clear): Likewise.
1559 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
1561         PR target/25299
1562         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1563         alignment to doubleword if the first field is a double array.
1564         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1566 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1568         * tree-ssa-structalias.c (process_constraint): Remove code to
1569         transform addressofs into scalar.
1570         (create_variable_info_for): In whole-program IPA, globals don't
1571         point to ANYTHING by default.
1573 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1575         * timevar.def (TV_IPA_PTA): New.
1576         * tree-pass.h (pass_ipa_pta): New
1577         * tree-ssa-structalias.c: Include cgraph.h
1578         (in_ipa_mode): New.
1579         (predbitmap_obstack): New.
1580         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1581         (struct constraint_stats): Add num_edges.
1582         (new_var_info): Don't call bitmap_clear.
1583         (struct constraint_edge): Update docs.
1584         (new_constraint_edge): Remove src param.
1585         (struct constraint_graph): Add zero_weight_succs,
1586         zero_weight_preds.  Update docs.
1587         (constraint_expr_equal): Reformat.
1588         (constraint_edge_equal): Update for removal of src.
1589         (constraint_edge_less): Ditto.
1590         (constraint_edge_vec_find): Ditto.
1591         (erase_graph_self_edge): Update for removal of src and and zero
1592         weight bitmap.
1593         (clear_edges_for_node): Ditto.
1594         (add_graph_edge): Ditto.
1595         (get_graph_weights): Ditto.
1596         (allocate_graph_weights): Ditto.
1597         (merge_graph_nodes): Ditto.
1598         (int_add_graph_edge): Ditto.
1599         (valid_graph_edge): Ditto.
1600         (valid_weighted_graph_edge): Ditto.
1601         (build_constraint_graph): Ditto.
1602         (scc_visit): Ditto.
1603         (collapse_nodes): Ditto.
1604         (process_unification_queue): Ditto.
1605         (topo_visit): Ditto.
1606         (solve_graph): Ditto.
1607         (do_structure_copy): Ditto.
1608         (perform_var_substitution): Ditto.
1609         Init and release obstack.
1610         (handle_ptr_arith): Try to resolve directly.
1611         (find_func_aliases): Don't call update_alias_info here
1612         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1613         (do_sd_constraint): Add code for propagating faster.
1614         Update.
1615         (do_ds_constraint): Ditto.
1616         (count_num_arguments): New function.
1617         (create_function_info_for): Ditto.
1618         (create_variable_info_for): Handle FUNCTION_DECL.
1619         (intra_create_variable_infos): Use make_constraint_to_anything.
1620         (init_alias_vars): Init obstacks here.
1621         (need_to_solve): Handle zero weight graph changes.
1622         (compute_points_to_sets): Call update_alias_info here.
1623         (delete_points_to_sets): Free zero weight preds/succs here.
1624         (gate_ipa_pta): New.
1625         (ipa_pta_execute): New
1627 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1629         * tree-ssa-structalias.c (var_anyoffset): Removed.
1630         (anyoffset_tree): Ditto.
1631         (anyoffset_id): Ditto.
1632         (do_deref): Take vector of constraints, no return value.
1633         Update to work on vector.                
1634         (get_constraint_for): Ditto.
1635         (get_constraint_for_component_ref): Ditto.
1636         (do_structure_copy): Ditto.
1637         (handle_ptr_arith): Ditto.
1638         (find_func_aliases): Ditto.
1639         (set_uids_in_ptset): Remove anyoffset handling.
1640         (init_base_vars): Ditto.
1642 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1644         PR c++/25010
1645         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1646         DECL_EXTERNAL functions have no bodies.  Tidy.
1648 2005-12-10  Andreas Schwab  <schwab@suse.de>
1650         * except.c (switch_to_exception_section): Only define if
1651         TARGET_UNWIND_INFO is not defined.
1653 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1655         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1656         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1658 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1660         * output.h (init_section, fini_section): Delete.
1661         * varasm.c (init_section, fini_section): Delete.
1662         (init_varasm_once): Don't initialize them.
1663         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1664         there are no corresponding varasm.c variables.
1666 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1668         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1669         of EH_FRAME_SECTION_NAME into...
1670         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1671         if it is still null.
1672         * except.c (default_exception_section): Delete, moving most
1673         of the code to...
1674         (switch_to_exception_section): ...this new function.  Set
1675         exception_section if it is still null, then switch to it.
1676         (output_function_exception_table): Use switch_to_exception_section.
1677         * varasm.c (exception_section, eh_frame_section): Update comments.
1678         (get_section): Hoist use of SECTION_NAMED.
1679         (init_varasm_once): Don't set exception_section and eh_frame_section.
1680         * output.h (default_exception_section): Delete.
1681         (default_eh_frame_section): Delete.
1683 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1685         * config/bfin/bfin.c: Include "cgraph.h".
1686         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1687         Return the reg that holds the pointer to the GOT.
1688         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1689         doing stack checking.
1691 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1693         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1694         recompute_tree_invarant_for_addr_expr.
1695         Update uses everywhere.
1697 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1699         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1700         (MULTILIB_DIRNAMES): Define.
1702 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1704         PR target/25311
1705         * config/s390/s390.c (struct s390_address): New field literal_pool.
1706         (s390_decompose_address): Compute literal_pool field.  Do not 
1707         assume register %r13 is always (and solely) used as pool base.
1708         (s390_extra_constraint_str): Use literal_pool field.
1710 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1712         * config/mips/mips.c (override_options): Don't allow too small
1713         integers in FP registers.
1715 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1717         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1718         targetm.binds_local_p to check for local function calls.
1720 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1722         PR debug/24908
1723         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1724         call_used_regs can't be used to save reg in another reg.
1726 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1727             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1729         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1730         abort.
1731         * except.c (output_ttype): Likewise.
1732         * tree-object-size.c (collect_object_sizes_for): Likewise.
1733         (check_for_plus_in_loops_1): Likewise.
1734         (check_for_plus_in_loops): Likewise.
1735         (compute_object_sizes): Use gcc_unreachable instead of abort.
1737 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1739         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1740         (loop_end, loop_init, doloop_end): New insns.
1741         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1742         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1743         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1744         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1745         * config/ms1/ms1.c: #include basic-block.h
1746         (struct machine_function): Add has_loops field.
1747         (ms1_add_loop): New.
1748         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1749         (struct loop_info, struct loop_work): New.
1750         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1751         (ms1_reorg_loops): New loop optimization.
1752         (ms1_machine_reorg): Call it.
1753         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1755 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1757         PR tree-optimization/25248
1758         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1759         evolution_of_loop from the failed attempt.  Remove handling
1760         of MULT_EXPR.
1762 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1764         * tree.h (DECL_EXTERNAL): Clarify documentation.
1766 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1767             Jakub Jelinek  <jakub@redhat.com>
1769         PR target/25268
1770         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1771         argument.  Don't drop outer ANDs.
1772         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1773         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1774         prototype.
1775         * config/s390/predicates.md (setmem_operand): Remove.
1776         (shift_count_operand): Rename to...
1777         (shift_count_or_setmem_operand): ... this.  Adjust
1778         s390_decompose_shift_count caller.
1779         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1780         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1781         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1782         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1783         rotl<mode>3_and, setmem_long_and): New insns.
1784         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1785         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1786         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1787         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1788         of shift_count_operand.
1789         (setmem_long): Use shift_count_or_setmem_operand instead of
1790         setmem_operand.
1792 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1793             Andreas Tobler  <a.tobler@schweiz.ch>
1795         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1796         tr expression.
1798 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1800         * expr.c (force_operand): Use convert_to_mode for conversions.
1802 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1804         * reload.h (reg_equiv_invariant): Declare.
1805         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1806         register also when reg_equiv_invariant[R] is set.
1808 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1809             Andreas Tobler  <a.tobler@schweiz.ch>
1811         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1813 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1815         * tree-ssa-pre.c (bitmap_set_and): New function.
1816         (bitmap_set_and_compl): New function.
1817         (bitmap_set_empty_p): New function.
1818         (insert_extra_phis): New function.
1819         (compute_avail): Use insert_extra_phis.
1821 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1823         * config/s390/s390.c (s390_expand_atomic): New function.
1824         Adjust comment of helper functions.
1825         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1826         * config/s390/s390.md ("ATOMIC"): New code macro.
1827         ("atomic"): Corresponding new code attribute.
1828         ("sync_lock_test_and_set[hq]i", 
1829         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1831 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1833         * config/s390/s390.c (s390_expand_mask_and_shift, 
1834         struct alignment_context, init_alignment_context, 
1835         s390_expand_cs_hqi): New.
1836         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1837         * config/s390/s390.md ("sync_compare_and_swaphi",
1838         "sync_compare_and_swapqi"): New pattern.
1840 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1842         Fix PR tree-optimization/25291
1843         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1844         redundant and crashing check.
1846 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1848         PR target/25212
1849         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1850         tests further when !strict && reload_in_progress.
1851         (print_operand): Check that both operands of indexed address are regs.
1852         (print_operand_address): Likewise.
1853         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1854         (INT_REG_OK_FOR_BASE_P): Correct.
1856 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1858         Preparation for PR rtl-optimization/20070 / part1
1859         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1860         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1861         outgoing_edges_match.
1862         (outgoing_edges_match): Use condjump_equiv_p.
1863         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1864         into..
1865         * struct-equiv.c: New file.
1866         (death_notes_match_p) New function, broken out of insns_match_p.
1867         * Makefile.in (OBJS-common): Add struct-equiv.o.
1868         (struct-equiv.o): New target.
1870 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1872         * coretypes.h: Revert previous change.
1873         * config/darwin.h: Revert previous reversion.
1874         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1876 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1878         * coretypes.h (section): Provide dummy definition for target files.
1879         * config/darwin.h: Revert previous change.
1881 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1883         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1884         * configure.ac: Remove all.build and install-normal from target_list
1885         * configure: Regenerate.
1886         * Makefile.in (install): Don't depend on install-normal.
1888 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1890         * Makefile.in: Document the use of stamps.
1892 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1894         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1895         * Makefile.in: Add code to compute some dependencies on s-gtype
1896         automatically.  Remove the declaration of those dependencies.
1898 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1900         * gcc/reload.c (push_secondary_reload): Fix typo:
1901         s/insn_constraint/scratch_constraint/.
1903 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1905         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1907 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1909         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1910         (alpha_elf_select_rtx_section): Return the selected section rather
1911         than emitting assembly code.
1912         (alpha_write_linkage): Emit a ".link" directive directly and then
1913         set in_section to NULL.
1914         (vms_asm_out_constructor): Use switch_to_section.
1915         (vms_asm_out_destructor): Likewise.
1916         (unicosmk_output_common): Set in_section to NULL instead of calling
1917         the dummy common_section function.
1918         (unicosmk_text_section): Delete in favor of...
1919         (unicosmk_output_text_section_asm_op): ...this new function.
1920         (unicosmk_data_section): Delete in favor of...
1921         (unicosmk_output_data_section_asm_op): ...this new function.
1922         (unicosmk_init_sections): New function.
1923         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1924         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1925         the dummy ssib_section function.
1926         (unicosmk_section_buf): Delete.
1927         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1928         (unicosmk_data_section): Delete.
1929         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1930         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1931         (SECTION_FUNCTION_TEMPLATE): Delete.
1932         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1933         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1934         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1935         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1936         (TARGET_ASM_INIT_SECTIONS): Define.
1937         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1938         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1939         (link_section, literals_section): Delete.
1940         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1941         set in_section to NULL.
1943         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1944         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1945         (COMMON_SECTION): Delete.
1946         (TARGET_ASM_INIT_SECTIONS): Define.
1947         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1948         the dummy common_section function.
1949         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1950         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1951         between readonly_data_section and text_section to check whether
1952         read-only data is being put in the text section.
1953         (arm_output_function_epilogue): Use switch_to_section.
1954         (arm_elf_asm_constructor): Likewise.
1955         (thumb_call_via_reg): Replace call to in_text_section with
1956         a comparison between in_section and text_section.
1957         (arm_file_end): Use switch_to_section.
1958         (aof_text_section): Delete in favor of...
1959         (aof_output_text_section_asm_op): ...this new function.
1960         (aof_data_section): Delete in favor of...
1961         (aof_output_data_section_asm_op): ...this new function.
1962         (aof_asm_init_sections): New function.
1963         (zero_init_section): Moved from config/arm/aof.h.
1964         (aof_dump_imports, aof_file_start): Use switch_to_section.
1965         * config/arm/arm.h (thumb_call_via_label): Update comment.
1966         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1967         (common_section): Delete.
1968         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1969         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1970         global switch_to_section function instead of the old port-local one.
1971         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1972         (SWITCH_TO_SECTION_FUNCTION): Delete.
1973         (drectve_section): Redefine as a macro.
1974         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1975         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1976         switch_to_section.
1978         * config/avr/avr.c (progmem_section): New variable.
1979         (avr_output_progmem_section_asm_op): New function.
1980         (avr_asm_init_sections): New function.
1981         (avr_output_addr_vec_elt): Use switch_to_section.
1982         * config/avr/avr.h (progmem_section): Declare.
1983         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1984         (READONLY_DATA_SECTION): Delete.
1985         (TARGET_ASM_INIT_SECTIONS): Define.
1986         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1987         * config/avr/avr-protos.h (progmem_section): Delete.
1989         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1991         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1992         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1994         * config/darwin-sections.def: New file.
1995         * config/darwin.c: Define all sections in darwin-sections.def.
1996         (output_objc_section_asm_op, darwin_init_sections): New functions.
1997         (machopic_output_indirection): Use switch_to_section.
1998         (machopic_select_section): Return the selected section rather than
1999         emitting assembly code.  Replace the static function table with
2000         inline conditional expressions.  Update the tests of last_text_section
2001         and move them into the FUNCTION_DECL block.
2002         (machopic_select_rtx_section): Return the selected section rather than
2003         emitting assembly code.
2004         (machopic_asm_out_constructor, machopic_asm_out_destructor)
2005         (darwin_file_end): Use switch_to_section.
2006         * config/darwin.h: Use darwin-sections.def to declare sections.
2007         (INIT_SECTION_ASM_OP): Remove empty definition.
2008         (HAS_INIT_SECTION): Define this instead.
2009         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2010         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2011         (TARGET_ASM_EH_FRAME_SECTION): Delete.
2012         (TARGET_ASM_INIT_SECTIONS): Define.
2013         * config/darwin-protos.h (darwin_init_sections): Declare.
2014         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
2015         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
2016         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2017         (constructor_section, destructor_section, mod_init_section): Delete.
2018         (mod_term_section): Delete.
2019         (darwin_exception_section, darwin_eh_frame_section): Delete.
2020         (machopic_select_section): Return a section.
2021         (machopic_select_rtx_section): Likewise.
2022         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
2023         (const_section, const_coal_section, const_data_section): Delete.
2024         (const_data_coal_section, data_coal_section, cstring_section): Delete.
2025         (literal4_section, literal8_section, constructor_section): Delete.
2026         (mod_init_section, mod_term_section, destructor_section): Delete.
2027         (objc_class_section, objc_meta_class_section, objc_category_section)
2028         (objc_class_vars_section, objc_instance_vars_section): Delete.
2029         (objc_cls_meth_section, objc_inst_meth_section): Delete.
2030         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
2031         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
2032         (objc_symbols_section, objc_module_info_section): Delete.
2033         (objc_image_info_section, objc_protocol_section): Delete.
2034         (objc_string_object_section, objc_constant_string_object_section)
2035         (objc_class_names_section, objc_meth_var_names_section): Delete.
2036         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
2037         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2038         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
2039         (darwin_exception_section, darwin_eh_frame_section): Delete.
2040         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
2042         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
2043         (frv_asm_out_destructor): Likewise.
2044         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2045         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
2046         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
2047         get_named_section.
2048         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
2049         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
2050         (data_section): Delete.
2052         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2053         (DRECTVE_SECTION_FUNCTION): Delete.
2054         (drectve_section): Redefine as a macro that sets in_section after
2055         emitting the directive.
2056         (SWITCH_TO_SECTION_FUNCTION): Delete.
2057         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
2058         in_text_section with comparison between in_section and text_section.
2059         * config/i386/i386.c (x86_64_elf_select_section): Return the section
2060         rather than emitting assembly code.  Use get_named_section.
2061         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
2062         get_named_section.
2063         (machopic_output_stub): Use switch_to_section.
2064         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
2065         (nwld_named_section_asm_out_destructor): Use get_section and
2066         switch_to_section.
2068         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
2069         rather than emitting assembly code.
2070         (ia64_rwreloc_select_section): Likewise.
2071         (ia64_rwreloc_select_rtx_section): Likewise.
2072         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
2073         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
2074         switch_to_section.
2075         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2076         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
2078         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
2079         section rather than emitting assembly code.
2080         (iq2000_select_section): Likewise.
2081         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
2082         (sbss_section): Delete.
2084         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
2085         and get_named_section.
2086         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
2088         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
2089         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
2090         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
2091         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
2092         in_section to NULL.
2093         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2094         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2095         global switch_to_section function instead of the old port-local one.
2096         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2097         (SWITCH_SECTION_FUNCTION): Delete.
2098         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
2099         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
2100         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
2101         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
2102         in_section to NULL.
2103         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2104         global switch_to_section function instead of the old port-local one.
2105         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2107         * config/mips/mips.c (mips_file_start): Update comment.
2108         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
2109         (mips_output_aligned_decl_common): Use switch_to_section.
2110         (mips_select_rtx_section): Return the section rather than emitting
2111         assembly code.  Use get_named_section.
2112         (mips_function_rodata_section: Likewise get_section.
2113         (build_mips16_function_stub): Use switch_to_section.
2114         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
2115         (SDATA_SECTION_ASM_OP): Delete.
2116         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
2117         (EXTRA_SECTION_FUNCTIONS): Delete.
2119         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
2120         (mmix_asm_output_aligned_local): Use switch_to_section.
2122         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
2123         (som_one_only_readonly_data_section): New variables.
2124         (pa_output_function_epilogue): Set in_section to NULL instead of
2125         calling forget_section.
2126         (output_deferred_plabels): Use select_section.
2127         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
2128         of calling forget_section.
2129         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
2130         (pa_asm_output_aligned_local): Use select_section.
2131         (som_text_section_asm_op): Delete in favor of...
2132         (som_output_text_section_asm_op): ...this new function.
2133         (pa_som_asm_init_sections): New function.
2134         (pa_select_section): Return the section rather than emitting
2135         assembly code.
2136         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2137         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
2138         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
2139         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
2140         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
2141         (som_readonly_data_section, som_one_only_readonly_data_section)
2142         (som_one_only_data_section, forget_section): Delete.
2143         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
2144         (TARGET_ASM_INIT_SECTIONS): Define.
2145         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2147         * config/rs6000/rs6000.c (read_only_data_section): New variable.
2148         (private_data_section, read_only_private_data_section): New variables.
2149         (sdata2_section, toc_section): New variables.
2150         (rs6000_file_start): Use switch_to_section.
2151         (rs6000_assemble_integer): Use comparisons against in_section
2152         instead of calling in_toc_section and in_text_section.  Use
2153         unlikely_text_section_p.
2154         (rs6000_elf_output_toc_section_asm_op): New function, derived
2155         from the old rs6000/sysv4.h toc_section function.
2156         (rs6000_elf_asm_init_sections): New function.
2157         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
2158         the section rather than emitting assembly code.
2159         (machopic_output_stub): Use switch_to_section.
2160         (toc_section): Delete dummy function.
2161         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
2162         switch_to_section and get_section.
2163         (rs6000_xcoff_output_readonly_section_asm_op): New function.
2164         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
2165         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
2166         the old rs6000/xcoff.h toc_section function.
2167         (rs6000_xcoff_asm_init_sections): New function.
2168         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
2169         the section rather than emitting assembly code.
2170         (rs6000_xcoff_file_start): Use switch_to_section.
2171         (rs6000_xcoff_file_end): Likewise.
2172         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
2173         (sdata2_section, sbss_section, private_data_section): Delete.
2174         (read_only_data_section, read_only_private_data_section): Delete.
2175         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2176         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
2177         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
2178         (FINI_SECTION_FUNCTION): Delete.
2179         (TARGET_ASM_INIT_SECTIONS): Define.
2180         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2181         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2182         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
2183         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
2184         (READONLY_DATA_SECTION): Delete.
2185         (TARGET_ASM_INIT_SECTIONS): Define.
2186         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
2187         to NULL rather than no_section.
2188         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2190         * config/sh/sh.c (sh_file_start): Use switch_to_section.
2192         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
2193         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
2194         from call to current_function_section.
2196         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
2197         (bss100_section): New variable.
2198         (xstormy16_asm_output_aligned_common): Use switch_to_section.
2199         (xstormy16_asm_init_sections): New function.
2200         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
2201         switch_to_section and get_section.
2202         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
2203         from calls to current_function_section.
2204         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
2205         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
2206         (TARGET_ASM_INIT_SECTIONS): Define.
2207         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
2209         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2210         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
2211         (FINI_SECTION_FUNCTION): Delete.
2213         * config/v850/v850.c: Include gt-v850.h.
2214         (rosdata_section, rozdata_section, tdata_section, zdata_section)
2215         (zbss_section): New variables.
2216         (v850_output_aligned_bss): Use switch_to_section.
2217         (v850_asm_init_sections): New function.
2218         (v850_select_section): Return the section rather than emitting
2219         assembly code.
2220         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2221         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
2222         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
2223         (TARGET_ASM_INIT_SECTIONS): Define.
2224         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
2225         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
2226         (zbss_section): Delete.
2228         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2230         * config/vx-common.h (vxworks_exception_section): Delete.
2231         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2233         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
2234         section rather than emitting assembly code.
2235         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
2236         switch_to_section.
2238         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
2239         * coretypes.h (section): New union and typedef.
2240         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
2241         from call to current_function_section.
2242         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
2243         (dbxout_symbol_location): Use switch_to_section.
2244         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
2245         most of the code into...
2246         (default_eh_frame_section): ...here.  Return a section.
2247         (collect2_eh_frame_section): Delete, moving most of the code into..
2248         (switch_to_eh_frame_section): ...this new function.
2249         (debug_info_section, debug_abbrev_section, debug_aranges_section)
2250         (debug_macinfo_section, debug_line_section, debug_loc_section)
2251         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
2252         variables.
2253         (output_call_frame_info): Call switch_to_eh_frame_section instead of
2254         eh_frame_section.  Use switch_to_section and get_section.
2255         (dwarf2out_begin_prologue): Use switch_to_section.
2256         (AT_string_form): Check the flags in debug_str_section instead of
2257         DEBUG_STR_SECTION_FLAGS.
2258         (output_comp_unit): Use switch_to_section, get_section, and
2259         debug_info_section.
2260         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
2261         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
2262         from call to current_function_section.
2263         (dwarf2out_var_location): Use unlikely_text_section_p.
2264         (dwarf2out_source_line): Use switch_to_section.  Remove argument
2265         from call to current_function_section.
2266         (dwarf2out_start_source_file, dwarf2out_end_source_file)
2267         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
2268         debug_macinfo_section.
2269         (dwarf2out_init): Initialize the new section variables.  Use them
2270         instead of calls to named_section_flags.  Use switch_to_section.
2271         (output_indirect_string): Use switch_to_section and debug_str_section.
2272         (dwarf2out_finish): Use switch_to_section and the new section
2273         variables.
2274         * except.c (default_exception_section): Return the section instead
2275         of emitting assembly code.
2276         (output_function_exception_table): Use the global exception_section
2277         variable instead of the target hook.  Use switch_to_section.  Remove
2278         argument from call to current_function_section.
2279         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
2280         (shorten_branches): Use pointer comparisons to detect whether the
2281         text section is the same as readonly_data_section.
2282         (profile_function): Use switch_to_section.  Remove argument from
2283         call to current_function_section.
2284         (final_scan_insn): Likewise.  Update use of last_text_section.
2285         * gengtype.c (open_base_files): Add an include of output.h.
2286         * output.h (text_section, data_section, readonly_data_section)
2287         (ctors_section, dtors_section, bss_section, init_section)
2288         (fini_section, sdata_section): Turn into section pointers.
2289         (in_text_section, in_unlikely_text_section, exports_section)
2290         (drectve_section, named_section, mergeable_string_section)
2291         (last_text_section_name): Delete.
2292         (default_exception_section, default_eh_frame_section): Return sections.
2293         (SECTION_DECLARED, SECTION_NAMED): New macros.
2294         (SECTION_MACH_DEP): Bump value.
2295         (section_common, named_section, unnamed_section): New structures.
2296         (unnamed_section_callback): New typedef.
2297         (section): New union.
2298         (sbss_section, exception_section, eh_frame_section): New variables.
2299         (in_section, last_text_section): Turn into section pointers.
2300         (get_unnamed_section, get_section, get_named_section): New functions.
2301         (mergeable_constant_section, function_section): Return a section.
2302         (unlikely_text_section): Likewise.
2303         (current_function_section): Likewise.  Remove the decl argument.
2304         (unlikely_text_section_p, switch_to_section): New functions.
2305         (output_section_asm_op): New function.
2306         (set_named_section_flags, named_section_flags, named_section_real)
2307         (named_section_first_declaration): Delete.
2308         (default_select_section, default_elf_select_section): Return a section.
2309         (default_elf_select_section_1, default_function_rodata_section)
2310         (default_no_function_rodata_section, default_select_rtx_section)
2311         (default_elf_select_rtx_section): Likewise.
2312         * rtl.h (in_data_section): Delete.
2313         * sdbout.c (sdbout_one_type): Use switch_to_section.
2314         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2315         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2316         (TARGET_ASM_EH_FRAME_SECTION): Poison.
2317         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2318         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2319         (TARGET_ASM_OUT): Update after above changes.
2320         * target.h (init_sections): New hook.
2321         (exception_section, eh_frame_section): Delete.
2322         (select_section, select_rtx_section, function_rodata_section): Return
2323         a section rather than emitting assembly code.
2324         * varasm.c (text_section, data_section, readonly_data_section)
2325         (ctors_section, dtors_section, bss_section, init_section)
2326         (fini_section): Turn into section pointers.
2327         (sdata_section, sbss_section, exception_section): New variables.
2328         (eh_frame_section): New variable.
2329         (in_section): Make global and turn into a section pointer.
2330         (last_text_section): Turn into a section pointer.
2331         (unnamed_sections): New variable.
2332         (in_named_name, last_text_section_name): Delete.
2333         (EXTRA_SECTION_FUNCTIONS): Delete.
2334         (in_named_entry): Delete.
2335         (section_htab): New variable, replacing...
2336         (in_named_htab): ...this deleted variable.
2337         (section_entry_eq, section_entry_hash): New functions, based on...
2338         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2339         (get_unnamed_section, get_section): New functions.
2340         (unlikely_text_section): Return a section instead of emitting
2341         assembly code.
2342         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2343         (get_named_section_flags, named_section_first_declaration): Delete.
2344         (unlikely_text_section_p): New function.
2345         (named_section_real, named_section): Delete.
2346         (get_named_section): New function.
2347         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2348         (function_section): Return a section rather than emitting
2349         assembly code.
2350         (current_function_section): Likewise.  Remove argument.  Use
2351         last_text_section if nonnull, otherwise use function_section.
2352         (default_function_rodata_section): Return a section rather than
2353         emitting assembly code.  Use get_section.
2354         (default_no_function_rodata_section): Return a section rather than
2355         emitting assembly code.
2356         (variable_section): Use switch_to_section and get_named_section.
2357         (mergeable_string_section): Return a section rather than emitting
2358         assembly code.  Use get_section.  Make static.  Don't take special
2359         countermeasures for empty strings.
2360         (mergeable_constant_section): Return a section rather than emitting
2361         assembly code.  Use get_section.
2362         (default_named_section_asm_out_destructor): Use switch_to_section
2363         and get_section.
2364         (default_dtor_section_asm_out_destructor): Use switch_to_section.
2365         (default_named_section_asm_out_constructor): Use switch_to_section
2366         and get_section.
2367         (default_ctor_section_asm_out_constructor): Use switch_to_section.
2368         (assemble_start_function): Likewise.  Set last_text_section to
2369         NULL rather than no_section.  Change the type of save_section.
2370         (assemble_zeros, assemble_variable): Use the section flags to detect
2371         whether or not a section is text.
2372         (assemble_static_space): Use switch_to_section.
2373         (assemble_trampoline_template): Likewise.
2374         (output_constant_def_contents): Use switch_to_section and
2375         get_named_section.
2376         (output_constant_pool_1): Use switch_to_section.  Use the section
2377         flags to see whether sections contain mergeable data.
2378         (init_varasm_once): Initialize section_htab instead of in_named_htab.
2379         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
2380         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2381         whether a section has already been declared.
2382         (default_select_section, default_elf_select_section): Return a
2383         section rather than emitting assembly code.
2384         (default_elf_select_section_1): Likewise.  Use bss_section for
2385         SECCAT_BSS if nonnull.  Use get_named_section.
2386         (default_select_rtx_section): Return a section rather than
2387         emitting assembly code.
2388         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
2389         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2390         (output_section_asm_op, switch_to_section): New functions.
2391         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2392         get_named_section.
2394         * doc/tm.texi: Expand the introduction to the sections documentation.
2395         (TRAMPOLINE_SECTION): Document new interface.
2396         (SDATA_SECTION_ASM_OP): Document new macro.
2397         (READONLY_DATA_SECTION): Delete.
2398         (SDATA_SECTION_ASM_OP): Document new macro.
2399         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2400         (TARGET_ASM_INIT_SECTIONS): Document new hook.
2401         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2402         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2403         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2405 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
2407         * gcc.c (init_gcc_specs): Match braces inside conditionally
2408         compiled strings.
2410 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
2412         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2414 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
2416         PR C++/24138
2417         * tree.c (integer_all_onesp): Always return true if all bits on.
2419         * testsuite/g++.dg/init/array0.C: New.
2421 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
2423         * doc/md.texi: Adapt to implementation.
2425 2005-12-06  Andreas Schwab  <schwab@suse.de>
2427         * opts.c (decode_options): Fix typo in message.
2429 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
2431         PR other/13873
2432         * longlong.h: Merge PPC tests from upstream.
2434 2005-12-06  Richard Guenther  <rguenther@suse.de>
2436         * fold-const.c (fold_convert): Do not build and fold
2437         CONVERT_EXPR, but always use NOP_EXPR.
2439 2005-12-06  Jan Beulich  <jbeulich@novell.com>
2441         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2442         __builtin_ia32_paddq and __builtin_ia32_psubq.
2443         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2444         __builtin_ia32_pshufw.
2445         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2447 2005-12-05  James E Wilson  <wilson@specifix.com>
2449         PR target/24934
2450         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2451         is set.
2453 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
2454         
2455         * print-tree.c (print_node): Ditto.
2456         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2457         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2458         before accessing DECL_ARTIFICIAL. 
2459         Handle new tag tree codes.
2460         * tree-flow-inline.h (clear_call_clobbered): Update for tag
2461         changes.
2462         (unmodifiable_var_p): Ditto.
2463         * tree-flow.h (mem_tag_kind): Remove.
2464         (struct var_ann_d): Remove mem_tag_kind member.
2465         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2466         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2467         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2468         (group_aliases): Ditto.
2469         (setup_pointers_and_addressables): Ditto.
2470         (is_escape_site): Ditto.                                          
2471         (may_alias_p): Ditto.
2472         (create_tag_raw): New function.
2473         (create_memory_tag): Use it.
2474         (dump_alias_info): Update for tags.
2475         (may_be_aliased): Ditto.
2476         (add_type_alias): Ditto.
2477         (new_type_alias): Ditto.
2478         (create_sft): Ditto.
2479         (create_structure_vars): Ditto.
2480         * tree-ssa-ccp.c (get_default_value): Ditto.
2481         * tree-ssa-operands.c (get_expr_operands): Ditto.
2482         (add_stmt_operand): Ditto.
2483         (add_call_clobber_ops): Remove duplicated condition.
2484         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2485         tags.
2486         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2487         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2488         * tree.c (init_ttree): Update structures for new tree codes.
2489         (tree_code_size): Update sizes for new tree codes.
2490         (make_node_stat): Don't try to set common things on minimal
2491         structures.
2492         (tree_node_structure): Update for tags.
2493         (is_global_var): Ditto.
2494         * tree.def: Add new tree codes.
2495         * tree.h (MTAG_P): New macro.
2496         (TREE_MEMORY_TAG_CHECK): Ditto.
2497         (SSA_VAR_P): Update for tags.
2498         (struct tree_memory_tag): New structure.
2499         (MTAG_GLOBAL): New macro.
2500         (union tree_node): Add memory tag member.
2501         * treestruct.def (TS_MEMORY_TAG): New.
2502         
2503 2005-12-05  Dale Johannesen  <dalej@apple.com>
2505         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
2506         what was approved (PR 24323).
2508 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2510         * doc/c-tree.texi (Function Bodies): Remove description of
2511         RETURN_INIT.
2513 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2515         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2516         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2517         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2518         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2519         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2520         __divxc3): Document.
2522 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
2524         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2525         previous behaviour.
2526         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2527         hook_bool_void_false.
2528         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2529         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2531         * config/darwin.c (machopic_select_section): It's not defined
2532         as weak if it's only marked as weak_import.
2533         
2534         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2535         Prototype.
2537         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2538         A hidden weak object does bind locally.  Strong linkonce data
2539         counts like any other strong symbol for binding.
2540         (weak_finish_1): Don't specially handle weakrefs, they no longer
2541         arrive here.
2542         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2543         * c-common.c (handle_alias_attribute): Allow static aliases
2544         of variables.
2545         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2546         * gthr-dce.h: Make weakrefs static.
2547         * gthr-tpf.h: Likewise.
2548         * gthr-solaris.h: Likewise.
2549         * gthr-posix.h: Likewise.
2550         * gthr-posix95.h: Likewise.
2551         * config/darwin.c (darwin_encode_section_info): static weakref
2552         variables are not necessarily defined in this translation unit.
2553         * doc/extend.texi (Function Attributes): Mention that an alias
2554         attribute creates a definition for the thing it's attached to.
2555         Change the documentation for weakref to say that the thing
2556         it's attached to must be static.
2558         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2559         we don't go into an infinite loop.
2561 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2563         * config/rs6000/predicates.md (logical_const_operand): Split
2564         out of logical_operand.
2565         (logical_operand): Use it.
2566         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2567         logical_const_operand.
2569 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2571         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2572         and IX86_BUILTIN_CMPNESS.
2573         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2574         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2575         * config/i386/i386.md (movti_internal): Correct type attribute.
2576         Simplify mode attribute.
2577         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2578         Correct type attribute.
2579         (absxf2): Correct operator.
2580         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2581         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2582         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2583         mode attribute.
2584         (sse2_vmsqrtv2df2): Correct mode attribute.
2586 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2588         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2589         16 bits. Provide insn pattern for this case.
2591 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2593         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2594         result.
2595         (__popcountDI2): Likewise.
2597 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2599         PR target/25166
2600         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2601         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2602         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2603         functions.
2605 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2607         * c-typeck.c (null_pointer_constant_p): New function.
2608         (build_conditional_expr, build_c_cast, convert_for_assignment,
2609         build_binary_op): Use it.
2611 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2613         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2614         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2615         CONVERT_EXPR.
2616         (check_function_arguments_recurse): Allow both NOP_EXPR and
2617         CONVERT_EXPR but check conversions preserve precision.
2618         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2619         but check conversions preserve precision.
2620         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2621         default case.
2623 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2625         PR c/7776
2626         * common.opt (Wstring-literal-comparison): New command line option.
2627         * c-opts.c (c_common_handle_option): Set it with -Wall.
2628         * c-typeck.c (parser_build_binary_op): Issue warning if either
2629         operand of a comparison operator is a string literal, except for
2630         testing equality or inequality against NULL.
2632         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2634 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2636         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2637         of building a NOP_EXPR.
2638         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2639         NOP_EXPR.
2640         * c-convert.c (convert): Use fold_convert instead of building
2641         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2642         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2643         #if 0 code.
2644         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2645         NOP_EXPR the same as CONVERT_EXPR.
2646         * c-typeck.c (build_function_call): Use fold_convert instead of
2647         building a NOP_EXPR directly.
2648         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2650 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2652         PR rtl-optimization/25197
2653         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2654         have a reg.
2656 2005-12-02  Stuart Hastings  <stuart@apple.com>
2658         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2659         warning.
2661 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2663         * c-typeck.c (default_function_array_conversion,
2664         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2665         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2666         orig_op2.  Don't check them for NOP_EXPR.
2667         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2668         around integer zero.
2670 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2672         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2673         toc_save_offset, toc_size, lr_size.
2674         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2675         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2676         Adjust for removal of unused rs6000_stack_t fields.
2677         (debug_stack_info): Adjust.
2678         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2679         first, and don't bother checking for set/inc of lr on sibcalls.
2680         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2682 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2684         PR target/25199
2685         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2686         5 if operand 1 is not aligned.  Undo previous constraint change.
2687         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2689 2005-12-02  Richard Guenther  <rguenther@suse.de>
2691         * tree.h (build): Remove prototype.
2692         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2693         * tree.c (build): Remove.
2694         (build0_stat): Update comment.
2696 2005-12-02  Richard Guenther  <rguenther@suse.de>
2698         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2699         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2700         Likewise.
2701         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2702         maybe_fold_offset_to_component_ref): Likewise.
2703         * tree-ssa-dom.c (thread_across_edge,
2704         simplify_rhs_and_lookup_avail_expr,
2705         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2706         Likewise.
2707         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2708         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2709         lower_try_finally_switch): Likewise.
2710         * tree-if-conv.c (add_to_dst_predicate_list,
2711         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2712         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2713         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2714         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2715         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2716         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2717         gimplify_init_ctor_eval, gimplify_init_constructor,
2718         gimplify_variable_sized_compare, gimplify_boolean_expr,
2719         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2720         gimplify_expr, gimplify_body, gimplify_function_tree,
2721         force_gimple_operand): Likewise.
2722         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2723         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2724         mx_register_decls): Likewise.
2725         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2726         get_frame_field, finalize_nesting_tree_1): Likewise.
2727         * tree-inline.c (setup_one_parameter): Likewise.
2728         * tree-vect-transform.c (vectorizable_condition): Likewise.
2729         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2730         Likewise.
2731         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2732         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2733         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2734         * tree-chrec.h (build_polynomial_chrec): Likewise.
2736 2005-12-02  Richard Guenther  <rguenther@suse.de>
2738         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2739         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2740         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2741         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2742         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2743         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2744         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2745         Likewise.
2746         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2747         sh_adjust_unroll_max): Likewise.
2748         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2749         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2750         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2751         Likewise.
2752         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2753         Likewise.
2754         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2755         Likewise.
2757 2005-12-02  Richard Guenther  <rguenther@suse.de>
2759         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2760         simplify_cond_using_ranges): Use buildN instead of build.
2761         * tree-tailcall.c (adjust_accumulator_values,
2762         adjust_return_value): Likewise.
2763         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2764         generate_element_copy, generate_element_zero,
2765         generate_one_element_init): Likewise.
2766         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2767         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2768         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2769         perfect_nestify): Likewise.
2771 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2773         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2775 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2777         * ggc.h (GGC_RESIZEVEC): New.
2779 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2781         * gcc.c (execute): Improve readability.
2783 2005-12-02  Richard Guenther  <rguenther@suse.de>
2785         * tree-cfg.c (mark_used_vars): New function.
2786         (dump_function_to_file): Dump only used VAR_DECLs.
2788 2005-12-02  Richard Guenther  <rguenther@suse.de>
2790         * convert.c (convert_to_integer): Fix compare for nonpositive
2791         constant to use tree_int_cst_sgn <= 0.
2793 2005-12-02  Richard Guenther  <rguenther@suse.de>
2795         * convert.c (convert_to_integer): Use fold_convert instead
2796         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2797         instead of comparing against 0.  Use build_int_cst instead
2798         of converting integer_zero_node.
2800 2005-12-02  Richard Guenther  <rguenther@suse.de>
2802         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2803         and RROTATE_EXPR.
2805 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2807         PR target/21017
2808         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2809         rotates.
2811 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2813         PR middle-end/25176
2814         * function.c (expand_function_end): Emit blockage for unwinder
2815         after return label.
2817 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2819         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2820         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2821         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2822         integer constant comparisons.
2824 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2825             Janis Johnson  <janis187@us.ibm.com>
2826             David Edelsohn  <dje@watson.ibm.com>
2827             Ben Elliston  <bje@au.ibm.com>
2829         * dfp.h, dfp.c: New files.
2830         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2831         (DECNUM_H): Likewise.
2832         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2833         (INCLUDES): Append $(DECNUMINC).
2834         (OBJS-common): Add dfp.o.
2835         (dfp.o): New rule.
2836         * real.h (EXP_BITS): Pinch one bit to ..
2837         (struct real_value): Add decimal field.
2838         (real_format): Change table size, update documentation.
2839         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2840         (real_from_string3): Declare.
2841         (decimal_single_format): Declare.
2842         (decimal_double_format): Declare.
2843         (decimal_quad_format): Declare.
2844         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2845         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2846         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2847         * real.c: Include dfp.h.
2848         (normalize): Early return for decimal floats.
2849         (do_add): Zero decimal field.
2850         (do_compare): Call do_decimal_compare for decimal floats.
2851         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2852         (real_arithmetic): Call decimal_real_arithmetic for decimal
2853         floating point operands.
2854         (real_identical): If a and b are of differing radix, return false.
2855         (real_to_integer): Call decimal_real_to_integer if the value is a
2856         decimal float.
2857         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2858         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2859         (real_to_hexadecimal): Place "N/A" in the return string for
2860         decimal float.
2861         (real_from_string3): New variant, given a mode.
2862         (real_maxval): Use decimal_real_maxval for decimal floats.
2863         (round_for_format): Use decimal_round_for_format for decimals.
2864         (real_convert): Use decimal_real_convert where appropriate.
2865         (significand_size): Handle base 10.
2866         (encode_decimal_single, decode_decimal_single,
2867         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2868         decode_decimal_quad): New functions.
2869         (decimal_single_format): New.
2870         (decimal_double_format): New.
2871         (decimal_quad_format): New.
2872         * machmode.def: Add SD, DD and TD decimal floating point modes.
2873         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2874         Include MODE_DECIMAL_FLOAT.
2875         (DECIMAL_FLOAT_MODE_P): New.
2876         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2877         * genmodes.c (struct mode_data): Add counter field.
2878         (struct mode_data): Update comment for format.
2879         (blank_mode): Initialise counter field.
2880         (new_mode): Increment counter field for each mode defined.
2881         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2882         using a format.
2883         (make_complex_modes): Handle modes containing `D'.
2884         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2885         (make_decimal_float_mode): New.
2886         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2887         (cmp_modes): Compare counter field if other characteristics
2888         similar.
2889         (emit_real_format_for_mode): Support formats for decimal floats.
2890         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2891         Document MODE_DECIMAL_FLOAT.
2893 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2895         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2896         Delete dead code.
2898 2005-12-01  Richard Henderson  <rth@redhat.com>
2900         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2902 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2904         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2906         * config/pa/pa.c (pa_init_builtins): If we detect
2907         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2908         putc_unlocked.
2910 2005-12-01  Richard Guenther  <rguenther@suse.de>
2912         * fold-const.c (fold_binary): Use fold_build2, not
2913         fold (build (...)).
2915 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2917         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2919         * vec.h (VEC_block_remove): New.
2921 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2923         PR c/13384
2924         * c-common.c (lvalue_error): Fix wording.
2926 2005-12-01  Richard Guenther  <rguenther@suse.de>
2928         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2929         thinko in last patch.
2931 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2933         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2934         than -flat_namespace.
2936 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2938         * mklibgcc.in: Parameterise the script to build soft float
2939         functions by iterating over each type, rather than cloning the
2940         code for each type.
2942 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2944         PR middle-end/25158
2945         * builtins.c (fold_builtin_fputs): Defer check for missing
2946         replacement functions.
2948 2005-11-30  Kean Johnston  <jkj@sco.com>
2950         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2951         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2953 2005-11-30  Richard Guenther  <rguenther@suse.de>
2955         PR tree-optimization/22501
2956         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2957         function split out from ...
2958         (forward_propagate_addr_expr): ... here.  Use it to propagate
2959         ADDR_EXPRs to all uses.
2961 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2963         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2964         * builtins.c (expand_builtin_mathfn): Use them.
2965         (expand_builtin_mathfn_2): Likewise.
2966         (expand_builtin_mathfn_3): Likewise.
2967         (expand_builtin_int_roundingfn): Likewise.
2968         (expand_builtin): Likewise.
2969         (integer_valued_real_p): Likewise.
2970         (fold_builtin_int_roundingfn): Likewise.
2971         (fold_builtin_bitop): Likewise.
2972         (fold_builtin_logarithm): Likewise.
2973         (fold_builtin_1): Likewise.
2974         * convert.c (convert_to_integer): Likewise.
2975         * fold-const.c (negate_mathfn_p): Likewise.
2976         (tree_expr_nonnegative_p): Likewise.
2978 2005-11-30  Dale Johannesen  <dalej@apple.com>
2979             Andrew Pinski  <pinskia@physics.uc.edu>
2981         * combine.c (find_split_point):  Sign extend bitmask
2982         when changing bitfield assignment to IOR of AND.
2984 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2986         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2987         clobber to scratch reg.
2988         (*decrement_and_branch_until_zero_no_clobber): Remove.
2989         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2990         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2991         * config/ms1/ms1.opt (mmul): Remove.
2992         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2993         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2995 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2996             Bernd Schmidt  <bernd.schmidt@analog.com>
2998         * pa/predicates.md (symbolic_operand): Add comment.
2999         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
3000         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
3001         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
3002         (pa_secondary_reload_class): Delete.
3003         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
3004         and pa_secondary_reload_class.  Reorder some checks.  Update inline
3005         copy of symbolic operand.
3006         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
3008 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
3010         * loop-doloop.c (add_test): Only add jump notes if we did emit a
3011         jump.
3013 2005-11-30  Jeff Law  <law@redhat.com>
3015         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
3016         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
3018 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
3020         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
3021         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
3022         (ia64_expand_move): Adjust caller.
3024         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
3025         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
3026         negate VAL.
3028 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
3030         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
3031         Always produce an output if we can remove NEGs or canonicalize
3032         (minus (minus ...)) expressions.  Provide a fast path for the
3033         two-operand case.
3034         (simplify_gen_binary): Do not call simplify_plus_minus.
3035         (simplify_binary_operation_1): Reassociate at the end of the
3036         function.
3038 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
3040         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
3041         moves and unpack to speed up.
3043 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
3045         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
3046         argument, they are always sparc_compare_op0 and sparc_compare_op1.
3047         (gen_v9_scc): Update callers.
3048         * config/sparc/sparc.md: Likewise.
3049         * config/sparc/sparc-protos.h: Update extern declaration.
3051         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
3053 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3055         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
3056         the if.
3058 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3060         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
3061         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
3062         (negate_expr): Here.
3064 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3066         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
3067         Fix typo in comment.
3069 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3071         * Makefile.in (clean-target): Depend on clean-target-libgcc.
3072         (clean-target-libgcc): Import rule from the top-level Makefile.in.
3074 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3076         PR middle-end/20109
3077         PR middle-end/25120
3078         * builtins.c (init_target_chars): New.
3079         (expand_builtin_printf, expand_builtin_fprintf,
3080         expand_builtin_sprintf, fold_builtin_sprintf,
3081         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3082         fold_builtin_snprintf_chk, fold_builtin_printf,
3083         fold_builtin_fprintf): Check for matching format strings using
3084         the target charset.
3086 2005-11-29  Paul Brook  <paul@codesourcery.com>
3088         * config.gcc: Do not use fixproto on m68k-elf.
3090 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3092         * expmed.c (div_cost): Replace with...
3093         (sdiv_cost, udiv_cost): New.
3094         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
3095         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
3096         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
3097         (expand_divmod): Replace use of div_cost with either sdiv_cost
3098         or udiv_cost depending upon the signedness of the operation.
3100 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3102         PR libfortran/24991
3103         * config/darwin.c (machopic_indirection_name,
3104         machopic_output_indirection): Follow transparent alias chain.
3106 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3108         * varasm.c (ultimate_transparent_alias_target): Add comment.
3110 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
3112         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
3113         SET_SRC instead of XEXP where appropriate.
3115 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3117         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
3118         __builtin_expect.
3120 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3122         * config/fp-bit.h (LSHIFT): Take shift count parameter.
3123         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
3124         bit at a time.
3126 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3128         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
3129         secondary_input_reload_class, made static.  Adapt to new
3130         infrastructure.
3131         (secondary_output_reload_class): Delete.
3132         (TARGET_SECONDARY_RELOAD): New macro.
3133         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
3134         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
3136 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
3138         PR c++/21166
3139         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
3140         when its natural alignment is > BITS_PER_UNIT.
3141         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
3142         * c-common.c (handle_packed_attribute): Ignore packing on a field
3143         whose type is naturally char aligned.
3145 2005-11-28  Richard Guenther  <rguenther@suse.de>
3147         * c-common.c (strict_aliasing_warning): Handle all
3148         component-ref like accesses.
3150 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3151             Uros Bizjak  <uros@kss-loka.si>
3153         PR middle-end/20219
3154         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
3155         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
3156         when flag_unsafe_math_optimizations is set and
3157         we don't care about NaNs or Infinities.
3159         Move x/expN(y) and x/pow(y,z) transformation into common
3160         flag_unsafe_math_optimizations section.
3162 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
3164         * gcc.c (main): Change type of argv to "char **".
3166 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3168         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
3169         small data sections.
3170         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
3171         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
3172         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
3173         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
3174         output locals to sbss if !rs6000_elf_in_small_data_p.
3175         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
3177 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3179         PR target/24997
3180         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
3181         generated by reload.
3182         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
3183         indexed_or_indirect_address.
3184         (indexed_or_indirect_address): Don't test for base reg.  Call
3185         address_operand last.  Make it a special predicate.
3187 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
3189         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
3191 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
3193         PR middle-end/24575
3194         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
3195         is undefined.
3196         (negate_expr): Likewise.
3198 2005-11-27  Andreas Schwab  <schwab@suse.de>
3200         * config/m68k/m68k.c: Reindent and fix whitespace, remove
3201         redundant parens.
3203 2005-11-27  Steven Bosscher  <stevenb@suse.de>
3205         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
3206         has EH predecessor edges.
3208 2005-11-26  Eric Christopher  <echristo@apple.com>
3210         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
3211         register stalls by zero extending to the full register.
3213 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
3215         * config/floatunsisf.c, config/floatunsidf.c,
3216         config/floatunsixf.c, config/floatunsitf.c: New files.
3217         * config/ia64/t-hpux: Add floatunsitf.c.
3218         * config/ia64/ia64.c (ia64_init_libfuncs): Use
3219         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
3221 2005-11-26  Richard Henderson  <rth@redhat.com>
3223         * c-lex.c (pragma_lex): Rename from c_lex.
3224         * c-pch.c: Update for pragma_lex rename.
3225         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
3226         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
3227         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
3228         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
3229         * doc/tm.texi: Likewise.
3231 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
3233         PR middle-end/23669
3234         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
3235         when overflow is undefined.
3237 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
3239         * doc/md.texi (Insn Canonicalizations): Refer to the
3240         function commutative_operand_precedence for further rules.
3242 2005-11-25  Roger Sayle  <roger@eyesopen.com>
3244         PR middle-end/21309
3245         * expmed.c (choose_mult_variant): Return immediately when mult_cost
3246         is less than zero.  Limit mult_cost to a reasonable upper bound for
3247         the synthetic multiplication sequence.
3249 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3251         PR middle-end/25022
3252         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3253         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
3254         Lookup the explicit replacement functions for any unlocked
3255         stdio builtin transformations.
3257 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
3259         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
3260         earlyclobber.
3261         * targhooks.c (default_secondary_reload): Don't require operand 2
3262         for an input reload to be earlyclobber.
3264 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3266         * fold-const.c (negate_mathfn_p): Fix comment and add support
3267         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
3268         BUILT_IN_ATANH.
3270 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3272         PR middle-end/24998
3273         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
3274         _Q_ulltoq for unsigned conversions from SImode and DImode to
3275         TFmode.
3277 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
3279         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
3280         (__floatundidf, __floatundisf): Likewise.
3282 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
3284         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
3285         (rs6000_override_options): Remove initialization of
3286         rs6000_sr_alias_set.
3287         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
3288         (rs6000_emit_stack_tie): Same.
3289         (emit_frame_save): Same.
3290         (gen_frame_mem_offset): Same.
3291         (rs6000_emit_prologue): Same.
3292         (rs6000_emit_epilogue): Same.
3294 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3296         PR middle-end/24989
3297         * fold-const.c (fold_build): Convert bool_var != 1 and
3298         bool_var == 0 to !bool_var.
3300 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3302         PR middle-end/24990
3303         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3304         for C being INTEGER_CST.  Likewise for !=.
3306 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3308         PR middle-end/24998
3309         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3310         unsigned conversions from SImode to TFmode.
3312 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3314         * expr.c (expand_expr_real_1): Fix error in last change.
3316 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3318         * caller-save.c: (this_insn_sets): Move into:
3319         (save_call_clobbered_regs).
3320         (mark_set_regs): Get this_insn_sets from data.
3322         (save_call_clobbered_regs): Take sets of the return value by
3323         sibcalls into account.
3325 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3326         PR target/21623:
3328         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3329         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3330         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3331         (memory_move_secondary_cost, init_reg_autoinc): Remove
3332         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3333         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3334         secondary_reload_class call.
3335         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
3336         callers.
3337         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3338         (push_secondary_reload): Use secondary_reload target hook.
3339         (secondary_reload_class, scratch_reload_class): New functions.
3340         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3341         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
3342         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3343         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3344         (secondary_reload_class, scratch_reload_class): Declare.
3345         * reload1.c: Include target.h.
3346         (reload_adjust_reg_for_temp): New function.
3347         (reload_adjust_reg_for_icode): Likewise.
3348         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3349         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3350         call.
3351         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
3352         for inheritance.  Support case when both secondary & tertiary reloads
3353         are for intermediate registers.
3354         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3355         with secondary_reload_class call.  Support case when both secondary
3356         & tertiary reloads are for intermediate registers.
3357         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3358         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3359         * target.h (secondary_reload_info): New struct / typedef.
3360         (struct gcc_target): New member secondary_reload.
3361         * targhooks.c Include reload.h, optabs.h and recog.h.
3362         (default_secondary_reload): New function.
3363         * targhooks.h (default_secondary_reload): Declare.
3364         * doc/tm.texi: Document secondary_reload target hook.  Update
3365         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3366         * doc/md.texi: Likewise.
3368         * sh-protos.h (sh_secondary_reload): Declare.
3369         * sh.c (TARGET_SECONDARY_RELOAD): Override.
3370         (sh_secondary_reload): New function.
3371         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3372         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3373         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3374         (HAVE_SECONDARY_RELOADS): Define.
3375         * sh.md (reload_indf): Rename to:
3376         (reload_indf__frn).
3377         (reload_outdf): Rename to:
3378         (reload_outdf__RnFRm).
3379         (reload_insf): Rename to:
3380         (reload_insf__frn).
3381         (reload_insi): Rename to:
3382         (reload_insi__i_fpul).
3384 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
3386         * configure.ac: Require at least texinfo 4.4.
3387         * configure: Regenerate.
3389         * doc/install.texi (Tools/packages necessary for building GCC):
3390         Update required version of texinfo to at least 4.4.
3391         (Installing GCC: Building): Update required version of texinfo
3392         to at least 4.4.
3393         (Installing GCC: Final installation): Update required version
3394         of texi2dvi to at least 4.4.
3395         (Host/target specific installation notes for GCC): Update required
3396         version of texinfo to at least 4.4.
3398 2005-11-24  Richard Guenther  <rguenther@suse.de>
3399         Dirk Mueller <dmueller@suse.de>
3401         PR c++/14024
3402         * c-common.h (strict_aliasing_warning): Declare.
3403         * c-common.c (strict_aliasing_warning): New function,
3404         split out from ...
3405         * c-typeck.c (build_c_cast): ... here.
3407 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3409         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3410         to order operands.
3411         (swap_commutative_operands_with_target): New.
3413 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3415         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3416         also when doing PRE, rather than only for global CPROP.
3418 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3420         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3421         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3422         formatting.
3423         (expand_twoval_unop): Likewise.
3424         (widen_clz): Likewise.
3425         (expand_parity): Likewise.
3426         (expand_unop): Likewise.
3427         (emit_cmp_and_jmp_insn_1): Likewise.
3428         (prepare_float_lib_cmp): Likewise.
3430 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3432         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3433         Remove unused `class' variable.
3435 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3437         PR c++/21667
3438         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
3439         C/C++ diagnostic function warn_array_subscript_with_type_char.
3440         * c-common.h (warn_array_subscript_with_type_char): Declare.
3441         * c-common.c (warn_array_subscript_with_type_char): Define.
3443 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3445         PR c/21668
3446         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3447         compiling at the intersection of C and C++.
3449 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
3451         * doc/invoke.texi: For man pages, include gcc-vers.texi.
3452         List @file in the option summary.  Include the libiberty
3453         documentation for @file.
3454         * gcc.c (main): Call expandargv.
3455         * Makefile.in (gcc-vers.texi): Define srcdir.
3457 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
3459         * passes.c (init_optimization_passes): Document
3460         sequencing of passes.
3462 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
3464         * config/m68k/predicates.md (pcrel_address, extend_operator,
3465         post_inc_operand, pre_dec_operand): Remove redundant
3466         conditionals.
3467         (const_uint32_operand, const_sint32_operand): Use gcc_assert
3468         instead of abort.
3469         (valid_dbcc_comparison_p): Rewrite in the lisp style.
3471 2005-11-23  Ben Elliston  <bje@au.ibm.com>
3473         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3475 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3477         Preparatory work for PR target/21623:
3478         * alpha.c (secondary_reload_class): Rename to:
3479         (alpha_secondary_reload_class).
3480         * alpha.h, alpha-protos.h: Likewise.
3481         * mn10300.c (secondary_reload_class): Rename to:
3482         (mn10300_secondary_reload_class).
3483         * mn10300.h, mn10300-protos.h: Likewise.
3484         * pa.c (secondary_reload_class): Rename to:
3485         (pa_secondary_reload_class).
3486         * pa.h, pa-protos.h: Likewise.
3487         * rs6000.c (secondary_reload_class): Rename to:
3488         rs6000_secondary_reload_class.
3489         * rs6000.h, rs6000-protos.h: Likewise.
3491 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3493         PR middle-end/22561
3494         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3496 2005-11-22  Ian Lance Taylor  <ian@airs.com>
3498         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3499         a mode_class.
3500         (prepare_cmp_insn): Likewise.
3502 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3504         PR target/23435
3505         * m68k.md (zero_extendsidi2): Force operands[1] to a register
3506         if both operands[0] and operands[1] are memory.
3508 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3510         PR middle-end/23606
3511         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3512         COMPARISON_CLASS_P and an integral types create create a new
3513         expression with the new type and fold that.
3515 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3517         PR target/24988
3518         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3519         to SUBTARGET_OS_CPP_BUILTINS.
3521 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3523         * arm.c (emit_set_insn): New function.
3524         (arm_split_constant): Call it.
3525         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3526         (arm_legitimize_address): Likewise.  Use plus_constant.
3527         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3528         (thumb_expand_prologue): Likewise.
3529         (arm_gen_load_multiple): Use VOIDmode in SET.
3530         (arm_gen_store_multiple): Likewise.
3531         (vfp_emit_fstmx): Likewise.  Use plus_constant.
3532         (emit_multi_reg_push): Likewise.
3533         (emit_sfm): Use plus_constant.
3535 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
3537         PR target/24954
3538         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3539         typo last change.
3541 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3543         PR middle-end/24950
3544         * expmed.c (store_bit_field): Don't attempt to insv a field
3545         larger than the reg.
3547 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3549         PR target/24954
3550         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3551         explicit sign extension, not a (char) cast.
3553 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3555         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3556         GET_MODE_CLASS (x) == MODE_FLOAT.
3557         * config/i386/i386.c: Likewise.
3558         * config/rs6000/xcoff.h: Likewise.
3559         * config/rs6000/linux64.h: Likewise.
3560         * config/rs6000/rs6000.c: Likewise.
3561         * config/rs6000/rs6000.h: Likewise.
3562         * config/rs6000/predicates.md: Likewise.
3563         * config/rs6000/sysv4.h: Likewise.
3565 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3567         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3568         flag_pic is set.
3570         * config/alpha/freebsd.h, config/alpha/linux.h,
3571         config/arm/linux-elf.h, config/bfin/bfin.h,
3572         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3573         config/i386/beos-elf.h, config/i386/gnu.h,
3574         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3575         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3576         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3577         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3578         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3579         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3580         config/sparc/linux.h, config/sparc/linux64.h,
3581         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3583         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3584         are both defined when either flag -fpic or -fPIC are used.
3586 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3588         * config/fp-bit.c (clzusi): New function.
3589         (si_to_float, usi_to_float): Use it to compute proper shift.
3590         (usi_to_float): Preserve guard bits when shifting right.
3591         * libgcc-std.ver (GCC_4.2.0): New version.
3592         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3593         __floatundisf): New functions.
3594         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3595         __floatundisf): Declare.
3596         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3597         _floatundixf, and _floatunditf.
3598         * optabs.c (expand_float): If target does not define a pattern for
3599         signed or unsigned conversion, use an unsigned libcall instead of
3600         a signed one.
3601         (init_optabs): Initialize ufloat_optab.
3603 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3605         * config/rs6000/rs6000.opt (mmulhw): New option.
3606         * doc/invoke.texi (-mmulhw): Document.
3607         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3608         for 405 and 440.
3609         * config/rs6000/rs6000.md: Add half-word multiply and
3610         multiply-accumulate instructions for 405 and 440.
3612 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3614         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3615         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3616         default now includes a linker group which makes the RTEMS one nest.
3618 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3620         * cse.c (fold_rtx): Typo fix.
3621         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3623 2005-11-21  Richard Henderson  <rth@redhat.com>
3625         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3626         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3628         * c-tree.h (lookup_name): Move declaration ...
3629         * c-common.h (lookup_name): ... here.
3630         * config/darwin-c.c: Include c-common.h.
3631         * config/t-darwin: Update dependencies.
3633 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3635         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3636         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3637         * genopinit.c (gen_insn): Likewise.
3638         * reload.c (find_equiv_reg): Likewise.
3639         * loop.c (load_mems): Likewise.
3640         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3641         * cse.c (find_comparison_args, fold_rtx): Likewise.
3642         * dwarf2out.c (add_const_value_attribute): Likewise.
3643         * expr.c (convert_move): Likewise.
3644         * recog.c (general_operand, register_operand): Likewise.
3645         * reg-stack.c (replace_reg): Likewise.
3646         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3647         * c-common.c (handle_vector_size_attribute): Likewise.
3648         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3649         (simplify_binary_operation_1): Likewise.
3650         (simplify_const_binary_operation): Likewise.
3651         (simplify_relational_operation): Likewise.
3652         (simplify_const_relational_operation): Likewise.
3653         (simplify_immed_subreg): Likewise.
3654         * emit-rtl.c (gen_lowpart_common): Likewise.
3655         * expmed.c (expand_mult): Likewise.
3656         * stor-layout.c (layout_type): Likewise.
3658 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3660         PR target/24951
3661         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3662         cst2 only for SPE vectors.
3664 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3666         PR target/24953
3667         * config/rs6000/predicates.md (vrsave_operation): Check
3668         UNSPEC_VOLATILE value.
3670 2005-11-21  Jan Hubicka  <jh@suse.cz>
3672         PR tree-optimization/24653
3673         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3675 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3677         * config/i386/predicates.md (ax_reg_operand): New predicate.
3678         (memory_displacement_only_operand): New predicate.
3679         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3680         operand is AX register and the other operand is memory operand
3681         with displacement only.
3683 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3685         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3686         if we don't care about NaNs or Infinities.
3688 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3690         PR rtl-optimization/24883
3691         * combine.c (combinable_i3pat): When checking whether the
3692         destination of i3 is used in i3, consider paradoxical subregs.
3694 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3696         PR middle-end/20583
3697         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3699 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3701         * combine.c (try_combine): Do not run subst on i1src and i2src in
3702         the case of generating a PARALLEL for a comparison.
3704 2005-11-20  Richard Henderson  <rth@redhat.com>
3706         PR 24931
3707         * tree-sra.c (struct sra_elt): Add all_no_warning.
3708         (struct sra_walk_fns) <use>: Add use_all argument.
3709         (sra_walk_expr): Pass it.
3710         (sra_walk_modify_expr): Likewise.
3711         (scalarize_ldst): Likewise.
3712         (scan_use): Update for new argument.
3713         (mark_no_warning): New.
3714         (scalarize_use): Use it.
3716 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3718         * expr.c (expand_expr_real): Use usmul_optab for widening
3719         signed * unsigned multiplies.
3720         * genopinit.c (optabs): Add usmul_widen_optab.
3721         * optabs.c (init_optabs): Likewise.
3722         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3723         (usmul_widen_optab): Define.
3724         * config/bfin/bfin.md (usmulhisi3): New pattern.
3726         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3728 2005-11-20  Graham Stott <btinternet.com>
3730         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3732 2005-11-20  Andreas Schwab  <schwab@suse.de>
3734         PR target/24757
3735         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3736         insn.
3738 2005-11-19  Richard Henderson  <rth@redhat.com>
3740         PR tree-opt/24665
3741         * tree-gimple.c (is_gimple_id): Export.
3742         * tree-gimple.h (is_gimple_id): Declare.
3743         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3744         (get_default_value): Use it.
3745         (maybe_fold_stmt_indirect): Likewise.
3747 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3749         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3750         than VR1 or vice-versa.
3752 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3754         PR middle-end/24912
3755         PR middle-end/24750
3756         * reload.c (find_reloads_address_1): Mention dependency on
3757         gen_reload.
3758         * reload1.c (gen_reload): For IN with an unary operation, try
3759         moving inner expression to OUT if trivial SET is not valid.
3760         Confirm that the result is valid.  Move common code block into...
3761         (emit_insn_if_valid_for_reload): New function.
3763 2005-11-19  Richard Guenther  <rguenther@suse.de>
3765         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3766         ARRAY_REFs of constant strings.
3768 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3770         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3771         fatal format string.
3773 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3775         * combine.c (make_compound_operation): Swap operands of
3776         commutative operation if necessary before returning.
3778 2005-11-19  Richard Guenther  <rguenther@suse.de>
3780         PR middle-end/23294
3781         * fold-const.c (fold_plusminus_mult_expr): New function.
3782         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3783         cases, remove now unnecessary code.
3785 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3787         * gensupport.c (old_preds): Rename to std_preds, add special field.
3788         (struct old_pred_table): Rename to struct std_pred_table, add special
3789         field.
3790         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3791         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3792         (init_predicate_table): Adjust, and set along the way whether a
3793         predicate is special.
3795 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3797         * BASE-VER: Change to 4.2.0.
3799 2005-11-18  James E Wilson  <wilson@specifix.com>
3801         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3802         returning it.
3804 2005-11-18  Mike Stump  <mrs@apple.com>
3806         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3807         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3808         * c-decl.c (lookup_name_two) Remove.
3809         * c-tree.h (lookup_name_two): Remove.
3810         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3811         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3812         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3813         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3815 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3817         PR target/24914
3818         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3819         when not generating code to use that co-processor.
3821 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3823         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3824         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3825         these functions are now in tree-phinodes.c.
3827 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3829         * config/bfin/bfin.md (trap): New pattern.
3831 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3833         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3834         on types.
3836         * expr.c (expand_expr_real): Don't call record_block_change unless
3837         ib_boundaries_block is non-null
3839         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3841         * fold-const.c (build_range_check): Use proper type for subtraction
3842         when merging lower bound.
3844 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3846         PR rtl-optimization/24497
3847         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3848         the copied insn.
3850 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3852         * tree-scalar-evolution.c (expression_expensive_p): New function.
3853         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3855 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3857         * config/bfin/crtlibid.s: New file.
3859 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3861         PR target/24348
3862         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3863         when not using sjlj exceptions.
3864         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3865         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3866         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3867         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3868         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3869         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3870         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3871         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3872         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3873         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3874         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3875         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3876         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3877         defines.
3878         * config/pa/hpux-unwind.h: New file.
3880 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3882         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3883         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3884         * varasm.c (do_assemble_alias): Adjust call.
3885         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3886         is defined.
3887         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3889 2005-11-17  James E Wilson  <wilson@specifix.com>
3891         * tree.def (FUNCTION_DECL): Correct typo in comment.
3893 2005-11-17  Richard Henderson  <rth@redhat.com>
3895         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3896         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3897         and DW_CFA_def_cfa_sf.
3898         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3899         (dbx_reg_number): Don't assert particular registers here.
3900         (based_loc_descr): ... do it here instead.  Fold in ...
3901         (eliminate_reg_to_offset): ... this function.
3902         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3903         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3904         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3905         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3906         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3907         (instantiate_virtual_regs): Likewise.
3908         * var-tracking.c (adjust_stack_reference): Likewise.
3909         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3911 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3913         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3914         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3915         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3916         crtlibid.o.
3917         ($(T)crtlibid.o): New rule.
3919 2005-11-16  Richard Guenther  <rguenther@suse.de>
3921         PR middle-end/24851
3922         * fold-const.c (extract_array_ref): Return byte offset
3923         in all cases.
3924         (fold_binary): Fold &x[a] CMP &x[b] to
3925         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3926         behavior.
3928 2005-11-16  Richard Henderson  <rth@redhat.com>
3930         PR middle-end/23497
3931         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3932         parts of an SSA_NAME.
3934 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3936         PR target/24861
3937         * arm.md (split for movsf with immediate): Restrict split to insns
3938         that set a general register.
3940 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3942         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3943         uw_update_context.
3944         * unwind-dw2.c (uw_advance_context): Likewise.
3945         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3946         _Unwind_SjLj_Unregister.
3947         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3949 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3951         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3953 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3955         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3956         langhook to get a DImode integer type.
3958 2005-11-16  Richard Henderson  <rth@redhat.com>
3959             J"orn Rennecke <joern.rennecke@st.com>
3960             Ulrich Weigand  <uweigand@de.ibm.com>
3962         PR rtl-opt/24160
3963         PR target/24621
3964         * reload1.c (reg_equiv_invariant): New.
3965         (reload): Allocate, initialize, and free it.
3966         (calculate_needs_all_insns): Check it when skipping equivalence
3967         setting insns.
3968         (alter_reg): Likewise.
3969         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3970         may_use_invariant argument; only use reg_equiv_invariant when true.
3971         (eliminate_regs): New.
3972         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3973         a context for which may_use_invariant may be true.
3975 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3977         * fold-const.c (const_binop): Don't constant fold the operation
3978         if the result has overflowed and flag_trapping_math.
3979         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3981 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3983         * config/arm/unwind-arm.c (abort): Add prototype here.
3984         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3985         (struct phase1_vrs): Add prev_sp.
3986         (unwind_phase2_forced): Save the original core registers instead of
3987         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3988         and set action flags accordingly.  Always set _US_END_OF_STACK when
3989         get_eit_entry fails.  Unwind before calling the stop function.
3990         (_Unwind_GetCFA): New function.
3991         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3992         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3993         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3994         just call unwind_phase2_forced.
3995         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3996         * config/arm/unwind-arm.h (abort): Remove prototype.
3997         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3998         prototypes.
3999         (_Unwind_GetCFA): New prototype.
4000         * config/arm/pr-support.c (abort): Add prototype here.
4001         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
4002         forced unwinding.
4003         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
4004         not schedule the prologue with non-call exceptions and EABI.
4006 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
4008         * config/arm/unwind-arm.h: Reorder interface function declarations.
4009         (_URC_END_OF_STACK): New enumeration value.
4010         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
4011         (struct _Unwind_Control_Block): Document reserved field use.
4012         (_Unwind_Stop_Fn): New typedef.
4013         (_Unwind_ForcedUnwind): Declare.
4014         (_Unwind_Resume_or_Rethrow): Declare.
4015         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
4016         argument.  Adjust.
4017         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
4018         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
4019         (UCB_FORCED_STOP_ARG): New.
4020         (search_EIT_table): Update boundary condition checks.
4021         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
4022         (unwind_phase2): Replace for with do..while.
4023         (unwind_phase2_forced): New.
4024         (__gnu_Unwind_RaiseException): Replace for with do..while.
4025         (__gnu_Unwind_ForcedUnwind): New.
4026         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
4027         Use appropriate phase2 unwinder.
4028         (__gnu_Unwind_Resume_or_Rethrow): New.
4029         (__gnu_unwind_pr_common): Cope with forced unwinding.
4031 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
4033         PR target/24772
4034         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
4036         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
4037         roundsf2): Remove "s" from mnemonic.
4039 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
4041         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
4042         __PIC__ is defined.
4043         * config/bfin/crtn.s: Change epilogues to match.
4044         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
4045         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
4046         __PIC__ and __pic__.
4048 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4050         PR 24357
4051         * doc/invoke.texi: Distinguish between free and fixed form instead of
4052         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
4053         languages.
4054         * gcc.c (default_compilers): Remove double entries, add entries for
4055         suffixes '.F90' and '.F95'.
4057 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
4059         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
4060         in the stack probing loop.
4062 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4064         * configure.ac: Use .machine power5 not power5x.
4065         * configure: Regenerate.
4067 2005-11-15  Mike Stump  <mrs@apple.com>
4069         * c-decl.c (lookup_name_two): Add.
4070         * c-tree.h (lookup_name_two): Likewise.
4071         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
4072         * config/darwin-c.c (darwin_pragma_unused): Likewise.
4074 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
4076         PR rtl-optimization/23392
4077         * regrename.c (enum scan_actions) Add mark_access.
4078         (scan_actions_name): Ditto.
4079         (scan_rtx_reg): Handle mark_access.
4080         (scan_rtx_address): Do nothing for mark_access.
4081         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
4082         and regs in REG_INC notes before closing chains for dead regs.
4083         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
4084         opening chains for new writes.
4086 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4088         * c.opt (ffixed-line-length-none): New.
4090 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
4092         * mklibgcc.in: Change contents of eh_dummy.c.
4094 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4096         * loop.c (scan_loop): Do not insert temporaries for hard registers.
4098 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4100         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
4101         of making syscalls.
4102         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
4104 2005-11-15  Jan Hubicka  <jh@suse.cz>
4106         * invoke.texi (large-unit-insns): Document.
4107         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
4108         * params.def (large-unit-insns): New param.
4110 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
4112         PR target/24869
4113         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
4114         special register for operand 3.  Reindent constraints to align
4115         them vertically.
4117 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
4119         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
4120         -mpopcntb, -mfprnd. Add -mcpu=power5+.
4121         * configure.ac: Add test for FP rounding instructions.
4122         * configure: Regenerate.
4123         * config.in: Regenerate.
4124         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4125         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
4126         features enabled.
4127         * config/rs6000/rs6000.opt (mfprnd): New.
4128         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
4129         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
4130         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
4131         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
4132         (TARGET_FPRND): New.
4133         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
4134         UNSPEC_FRIZ): New.
4135         (btrunc<mode>2): New.
4136         (ceil<mode>2): New.
4137         (floor<mode>2): New.
4138         (round<mode>2): New.
4140 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
4142         * gcc.c (version_compare_spec_function): Use fatal() rather than
4143         abort().
4145         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
4146         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
4147         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
4148         as empty.
4149         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
4150         link in crt2.o.
4152         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
4153         on -mmacosx-version-min setting.
4155 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
4157         PR 24840
4158         * tree-vrp.c (infer_value_range): Return false if STMT is a
4159         block terminator and its basic block has no successors.
4161 2005-11-14  Mike Stump  <mrs@apple.com>
4163         * config/i386/i386.c (override_options): -masm=intel isn't
4164         supported on darwin.
4165         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4167 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
4169         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
4170         vfork after including auto-host.h.
4172 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
4174         PR rtl-optimization/22002
4175         * combine.c (distribute_notes): Detect cases where a reg dies
4176         two or more times in a bb, including on the insn we are combining,
4177         and place the death note on the correct range.
4179 2005-11-14  Dale Johannesen  <dalej@apple.com>
4181         * expmed.c (store_bit_field):  Add offset unconditionally for
4182         memory targets.
4183         (extract_bit_field):  Don't force extzv or extv operand into
4184         a register if field is too big.
4186 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4188         * config/arm/arm.c (pic_labelno): New.
4189         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
4190         LABEL_REF.  Pass only the labelno to PIC insns.
4191         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4192         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
4193         * arm.md (UNSPEC_PIC_LABEL): New constant.
4194         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
4195         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
4196         Use the correct label prefix.
4198 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4200         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
4201         REQ_EQUIV note.
4203 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
4205         * loop-invariant.c: Include tm_p.h.
4206         * Makefile.in: Updated.
4208 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4210         * pa.c (store_reg): Revise generation of frame notes in large frames.
4211         (set_reg_plus_d): Likewise.
4213 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
4215         PR tree-optimization/24709
4216         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
4217         loop check.
4219 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4221         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
4222         and duplicate declaration of pthread_self.
4224 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
4225             Ian Lance Taylor  <ian@airs.com>
4227         PR middle-end/24003
4228         * calls.c (expand_call): If TARGET is a MEM and some part of the
4229         argument area has been saved, force TARGET to a register.
4231 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
4233         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
4234         checking.
4236 2005-11-13  Jason Merrill  <jason@redhat.com>
4238         PR c++/22489
4239         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
4240         lazily declared methods.
4241         (force_decl_die): Stop if forcing out the context already make a
4242         DIE for the decl.
4243         (force_type_die): Likewise.
4245 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
4247         PR middle-end/24820
4248         * builtins.c (integer_valued_real_p): Add break in
4249         REAL_CST having TREE_OVERFLOW set.
4251 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
4253         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
4254         addressing modes during calculation of costs.
4256 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
4258         * function.c (assign_stack_local_1): Restrict sanity check
4259         on frame size overflow to 32-bit and above platforms.
4261 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4263         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
4264         * config/cris/cris.c: Include reload.h.
4265         (cris_initial_elimination_offset): New function.
4266         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
4267         Prototype.
4269 2005-11-12  Richard Guenther  <rguenther@suse.de>
4271         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
4273 2005-11-12  Jan Hubicka  <jh@suse.cz>
4275         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
4276         to compare against 0 when possible.
4278 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
4280         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
4281         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4282         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
4283         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
4284         in the new order.
4286 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4288         * recog.c (constrain_operands) <case 'g'>: For a match, require
4289         that a non-register matches general_operand when strict >= 0.
4291 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4293         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4294         previous checkin.
4296 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4298         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4299         (memory_address_same): New.
4300         (dse_optimize_stmt): Call memory_address_same.
4302 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4304         PR middle-end/24750
4305         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4306         ZERO_EXTEND>: New cases.
4308 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4310         * longlong.h (__clz_tab): Always provide.
4312 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4314         PR 24265
4315         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4316         can be assigned to.
4317         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4318         before check_maybe_invariant.
4319         (move_invariant_reg): Use gen_move_insn instead of replacing
4320         SET_DEST with the temporary for the invariant.
4321         (move_loop_invariants): If checking is enabled, do internal
4322         consistency checks after completing the pass.
4324 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
4326         PR 24644
4327         * common.opt (Wvolatile-register-var): New.
4328         * varasm.c (make_decl_rtl): Only emit warning when option
4329         specified.  Clarify warning message.
4330         * doc/invoke.texi (Wvolatile-register-var): Document new option.
4332         * doc/md.texi (copysign): Document standard named pattern.
4334 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
4336         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4337         bytes when align is 2.
4338         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4339         by the first instruction of the loop.
4341 2005-11-11  Jason Merrill  <jason@redhat.com>
4343         PR c++/24686
4344         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4345         the cleanup list.
4347 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
4349         PR rtl-optimization/22509
4350         * local-alloc.c (memref_used_between_p): Check whether a function call
4351         could not reference the memref.
4353 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
4355         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4356         algorithm so as to choose the best, not the worst, alternative.
4357         Reset accumulated register class before processing next alternative.
4359 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4361         PR target/24445
4362         * calls.c (expand_call): Copy a return value to a plain register
4363         if needed.
4365 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
4367         PR target/24778
4368         * varasm.c (assemble_name): Recompute name only for transparent
4369         aliases.
4371 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
4373         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4375 2005-11-04  Jeff Law  <law@redhat.com>
4377         PR middle-end/23181
4378         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4379         perform reassociation if the parent statement will not die as
4380         a result of the optimization.
4382 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
4384         * tree-ssa-alias.c (compute_may_aliases): Remove call to
4385         delete_old_heap_vars.
4386         * tree-dfa.c (referenced_var_remove): Remove function.
4387         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4388         (delete_tree_ssa): Remove call to delete_old_heapvars.
4389         Add call to delete_alias_heapvars.
4390         * tree-flow.h (referenced_var_remove): Remove prototype
4391         (init_alias_heapvars): New prototype.
4392         (delete_alias_heapvars): Ditto.
4393         * Makefile.in (tree-ssa-structalias.o): Add
4394         gt-tree-ssa-structalias.o
4395         (GTFILES): Add tree-ssa-structalias.h and
4396         tree-ssa-structalias.c.
4397         (s-gtype): Add gt-tree-ssa-structalias.h.
4398         * tree-ssa-structalias.c (heapvars): Remove.
4399         (oldheapvars): Remove.
4400         (heapvar_for_stmt): New variable.
4401         (heapvar_lookup): New function.
4402         (heapvar_insert): Ditto.
4403         (get_constraint_for): See if we have an old heapvar
4404         to reuse.
4405         (init_alias_heapvars): New function.
4406         (delete_alias_heapvars): Ditto.
4407         Add include of gt-tree-ssa-structalias.h.
4409 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4411         PR middle-end/22127
4412         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4414 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
4416         * tree.c (int_fits_type_p): Only look at the base type
4417         if it has the same precision as the original type.
4419 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
4421         PR other/4372
4422         * varasm.c (assemble_alias): Use %q+D in the error
4423         message instead of %J and %qD.
4425 2005-11-10  Richard Guenther  <rguenther@suse.de>
4427         * gcse.c (free_ldst_entry): Only free hashtable if
4428         it exists.
4430 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4432         * function.c (assign_stack_local_1): Issue an error message if
4433         the frame size overflows in the signed target arithmetics.
4435 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4437         * tree.c (build_qualified_type): Chain the new type to the original
4438         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4439         a POINTER_TYPE or a REFERENCE_TYPE respectively.
4440         (build_pointer_type_for_mode): Only return unqualified types.
4441         (build_reference_type_for_mode): Likewise.
4443 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
4445         * Makefile.in (gnucompare): Do comparison of all files using one of
4446         the chosen methods and only afterwards decide if just warning should
4447         be issued or comparison failure raised.
4449 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4451         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4452         (noce_try_abs): Negate if the comparison is reversed.
4453         Look only one instruction backwards for a REG_EQUAL note.
4455 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4457         PR other/4372
4458         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4459         gthr-tpf.h: Define __gthrw.  For all identifiers that might
4460         be weak, introduce weakrefs or non-weak aliases with __gthrw,
4461         and prefix all uses with __ghtrw.
4463 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4465         PR other/4372
4466         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4467         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
4468         * c-common.c (handle_weakref_attribute): New.
4469         (c_common_attribute_table): Add weakref.
4470         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4471         in the assembler.
4472         * configure, config.in: Rebuilt.
4473         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4474         * doc/extend.texi: Document weakref attribute.
4475         * varasm.c (ultimate_transparent_alias_target): New
4476         (assemble_name): Use it.
4477         (weak_finish_1): Split out of...
4478         (weak_finish): ... and deal with weakrefs in...
4479         (weakref_targets): ... new list.
4480         (globalize_decl): Clean up weakref_targets.
4481         (do_assemble_alias): Handle weakrefs.
4482         (finish_aliases_1): Do not reject weakrefs to external symbols.
4483         (assemble_alias): Handle weakrefs.
4485 2005-11-09  Richard Guenther  <rguenther@suse.de>
4487         PR tree-optimization/24716
4488         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4489         t_bool to track results from follow_ssa_edge.
4491 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4493         * final.c (force_source_line): New global variable.
4494         (final_scan_insn): Set it to true instead of clearing last_filename.
4495         (notice_source_line): Return true if force_source_line is true,
4496         unless source info is absent.
4498 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
4500         PR c/24644
4501         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4502         a linkage name for a variable if it a register variable.
4503         * c-decl.c (grokdeclarator): Global register variables
4504         should be set as PUBLIC.
4506 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4508         PR 24624
4509         * config/s390/s390.c (struct s390_frame_layout): New fields
4510         first_save_gpr_slot and last_save_gpr_slot.
4511         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4512         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4513         first_save_gpr and last_save_gpr with the _slot variants.
4514         (s390_register_info): Calculate first_save_gpr_slot and
4515         last_save_gpr_slot using regs_ever_live.
4517 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4519         PR 24623
4520         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4521         for a function containing a landing pad.
4523 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4525         PR 24034
4526         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4527         is live afterwards.
4529 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
4531         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4532         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4534 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
4536         Add ms2 support
4537         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4538         constants.
4539         (call,load,store): New insn types.
4540         (mem_access, branch_access): Adjust reservation conditions.
4541         (define_delay): Adjust condition.
4542         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
4543         type.
4544         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4545         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4546         insn type.
4547         (call_internal, call_value_internal, return_internal,
4548         return_interrupt_internal, eh_return_internal, indirect_jump,
4549         tablejump): Set call insn type.
4550         (blockage, ei, di): Use appropriate unspec const.
4551         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4552         (ms1_get_attr_type): Adjust to give load & store types.
4553         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
4554         backwards past a barrier.
4555         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
4556         branch scheduling.
4557         (struct branch_info, struct label_info): New.
4558         (ms1_labels): New.
4559         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4560         (ms1_machine_reorg): New.
4561         (TARGET_MACHINE_DEPENDENT_REORG): Override.
4562         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4563         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4564         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4565         (TARGET_MS2): New.
4567 2005-11-09  Per Bothner  <per@bothner.com>
4568             Uros Bizjak  <uros@kss-loka.si>
4570         PR c/24101
4571         * toplev.c (process_options): Initialize debug_hooks early
4572         in case lang_hooks.post_options ends up calling a debug_hook.
4574 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
4576         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4577         DBX_REGISTER_NUMBER being contiguous.
4579 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4580             Diego Novillo  <dnovillo@redhat.com>
4582         PR 23046
4583         * tree-vrp.c (register_edge_assert_for): Do not register
4584         always-false predicates.
4586 2005-11-08  Devang Patel <dpatel@apple.com>
4588         PR tree-optimization/23115
4589         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4590         relation.
4592 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4594         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4595         -mcpu=440.
4597 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4599         Fix PR tree-optimization/23382
4601         * tree-ssa-alias.c (compute_may_aliases): Call
4602         delete_old_heap_vars.
4603         * tree-dfa.c (referenced_var_remove): New function.
4604         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4605         * tree-flow.h (referenced_var_remove): Add prototype.
4606         (delete_old_heap_vars): Ditto.
4607         * tree-ssa-structalias.c (heapvars): New variable.
4608         (oldheapvars): Ditto.
4609         (get_constraint_for): Put heap vars on heapvars list.
4610         (delete_old_heap_vars): New function.
4612 2005-11-08  Jason Merrill  <jason@redhat.com>
4614         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4616 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
4618         PR target/19340
4619         * reg-stack.c (reg_to_stack): Update register liveness also
4620         for flag_sched2_use_traces.
4622 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
4624         PR target/23704
4625         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4626         override prior explicit -mno-powerpc-gfxopt.
4628 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4630         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4631         if the bitsize is zero.
4632         * doc/md.texi (Standard Pattern Names): Document it.
4634         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4635         (TARGET_PASS_BY_REFERENCE): Likewise.
4637 2005-11-07  Ian Lance Taylor  <ian@airs.com>
4639         PR rtl-optimization/24683
4640         * config/i386/i386.c (legitimize_pic_address): If constant operand
4641         to PLUS is too large, put it in a register.
4643 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
4645         * configure.ac: Enable checking assembler dwarf2 support for bfin
4646         target.
4647         * configure: Regenerate.
4649 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4651         PR target/24230
4653         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4654         gen_easy_vector_constant_add_self): Delete.
4655         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4656         New.
4657         (output_vec_const_move): Use gen_easy_altivec_constant.
4658         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4659         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4660         (easy_vector_constant_add_self): Rewritten.
4661         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4662         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4663         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4664         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4665         Macroize and adjust for the other changes.
4667 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4669         PR c/24599
4671         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4672         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4674 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4676         PR rtl-optimization/23567
4677         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4678         (noce_process_if_block): Don't do any optimizations except
4679         if (cond) x = x; if !set_b and write into orig_x may trap
4680         or fault.  Remove the MEM_READONLY_P check.
4682 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4684         PR 24670
4685         * tree-vrp.c (fix_equivalence_set): New.
4686         (extract_range_from_assert): Call it.
4688 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4690         PR target/22432
4691         * combine.c (apply_distributive_law): Don't distribute across a
4692         vector mode subreg.
4694 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4696         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4697         config/ms1/ms1.h, config/rs6000/predicates.md,
4698         config/s390/s390.c, params.def, postreload-gcse.c,
4699         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4700         tree-vrp.c, tree.c: Fix comment typos.
4701         * doc/invoke.texi: Fix typos.
4703 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4705         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4706         for testing whether the data_dependence_relation contains distance
4707         vectors.  Iterate over all distance vectors of the ddr.
4708         * lambda.h: Define a vec of lambda_vector pointers.
4709         * tree-data-ref.c (dump_data_dependence_relation,
4710         dump_data_dependence_direction): Iterate over all distance and
4711         direction vectors of the ddr.
4712         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4713         DDR_DIST_VECTS.
4714         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4715         of distance/direction vectors instead of a single one.
4716         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4717         lambda_vectors with a vec of lambda_vectors.
4718         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4719         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4720         DDR_NUM_DIST_VECTS): New.
4721         * tree-loop-linear.c (gather_interchange_stats): Test for the
4722         existence of distance vectors only after having checked that there
4723         is a dependence.  Iterate over all distance vectors of the ddr.
4724         (linear_transform_loops): Use dump_data_dependence_relation.
4725         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4726         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4727         distance vectors of the ddr.
4729 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4731         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4732         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4733         IS_INTHANDLER; all callers changed.
4734         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4735         account.
4736         (do_link, do_unlink): New argument ALL; all callers changed.
4737         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4738         If function isn't leaf, save and restore all registers.
4739         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4740         exception handler.
4742 2005-11-05  Jan Hubicka  <jh@suse.cz>
4744         PR rtl-optimization/23490
4745         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4746         max-flow-memory-location): Document.
4747         * flow.c: Include params.h
4748         (MAX_MEM_SET_LIST_LEN): Kill.
4749         (add_to_mem_set_list): Use new param.
4750         * cse.c (cse_basic_block): Replace 1000 by new param.
4751         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4752         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4753         * predict.c (predict_loops): Use new param.
4754         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4756         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4757         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4758         Do not hold memory returned by cgraph_node_name across other call.
4760 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4762         PR target/23424
4763         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4764         Disable.
4766 2005-11-04  Jeff Law  <law@redhat.com>
4768         PR/21883
4769         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4770         * tree-ssa-dom.c: Include params.h.
4771         (thread_across_edge): If there are too many statements in the
4772         target block, then do not thread through it.
4773         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4774         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4776 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4778         PR 24627
4779         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4780         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4782 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4784         PR/18595
4785         * tree-scalar-evolution.c (instantiate_parameters_1,
4786         instantiate_parameters, resolve_mixers): Compute the size of an
4787         expression to be instantiated and give up the instantiation if the
4788         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4790 2005-11-04  Richard Guenther  <rguenther@suse.de>
4792         * tree-flow.h (ref_contains_indirect_ref): Rename to
4793         array_ref_contains_indirect_ref.
4794         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4795         (array_ref_contains_indirect_ref): Make comment match the code
4796         and vice-versa.
4797         (ref_contains_array_ref): Likewise.
4798         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4799         ref_contains_indirect_ref.
4800         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4801         Rename calls to ref_contains_indirect_ref.
4803 2005-11-04 Paul Brook  <paul@codesourcery.com>
4805         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4806         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4807         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4808         * config/arm/arm.md: Use match_operand in peephole input templates
4809         and match_dup in peephole output templates.
4811 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4813         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4814         __aeabi_uidiv.
4816 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4817             Daniel Jacobowitz  <dan@codesourcery.com>
4819         * longlong.h (add_ssaaaa): Clobber condition code register
4820         in ARM version.
4821         (sub_ddmmss): Likewise.
4822         (umul_ppmm): Likewise.
4824 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4825             Paul Brook  <paul@codesourcery.com>
4826             Phil Blundell  <pb@reciva.com>
4828         * configure.ac: Add test for ARM TLS support.
4829         * configure: Regenerated.
4830         * config/arm/arm-protos.h (legitimize_tls_address)
4831         (arm_tls_referenced_p, tls_mentioned_p)
4832         (arm_output_addr_const_extra): New prototypes.
4833         (thumb_legitimize_pic_address): Delete.
4834         * config/arm/arm.c: Include "gt-arm.h".
4835         (enum tls_reloc): New.
4836         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4837         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4838         (arm_call_tls_get_addr, legitimize_tls_address)
4839         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4840         (arm_init_tls_builtins, arm_emit_tls_decoration)
4841         (arm_output_addr_const_extra): New functions.
4842         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4843         (TARGET_HAVE_TLS): Define.
4844         (target_thread_pointer): New.
4845         (arm_override_options): Handle -mtp=.
4846         (legitimize_pic_address): Ignore UNSPECs.
4847         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4848         relative symbols.
4849         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4850         (tls_get_addr_libfunc): New variable.
4851         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4852         (arm_init_builtins): Call arm_init_tls_builtins.
4853         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4854         (arm_encode_section_info): Call default_encode_section_info.
4855         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4856         (enum arm_tp_type): New.
4857         (target_thread_pointer): Add declaration.
4858         (LEGITIMATE_CONSTANT_P): Handle TLS.
4859         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4860         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4861         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4862         * config/arm/arm.md: Add UNSPEC_TLS.
4863         (movsi): Handle TLS.
4864         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4865         non-PIC.
4866         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4867         (load_tp_hard, load_tp_soft): New insns.
4868         * arm.opt: Add -mtp=.
4869         * doc/invoke.texi (ARM Options): Document -mtp.
4871 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4873         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4874         * config/arm/libunwind.S: Include "lib1funcs.asm".
4875         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4876         (LIB2ADDEH): Add libunwind.S.
4877         (LIB2ADDEHDEP): Add lib1funcs.asm.
4878         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4880 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4882         PR fortran/18452
4883         * gcc/c.opt: Add a -lang-fortran option.
4884         * gcc/c-opts.c: Add a lang_fortran flag.
4885         (c_common_init_options): Handling the -lang-fortran option.
4886         (c_common_handle_option): Add a case for Fortran options in
4887         preprocessing. Remove cases for -ffixed-form and
4888         -ffixed-line-length. Add a case for -lang-fortran.
4890 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4892         * config/rs6000/rs6000.c: Include params.h
4893         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4894         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4895         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4896         (UNSPEC_VPKUWSS): Delete.
4897         (altivec_vpkuhss): Delete.
4898         (altivec_vpkuwss): Delete.
4899         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4900         final condition.
4901         (neg_eq0<mode>): Remove final condition.
4902         (neg_eq<mode>): Remove condition and split-condition.
4904 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4906         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4907         Use associated print macros.
4909 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4911         PR c++/17964
4912         * diagnostic.c (diagnostic_set_info_translated): New function.
4913         (diagnostic_set_info): Use it.  Add comment.
4914         * diagnostic.h (diagnostic_set_info_translated): Declare.
4916 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4918         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4919         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4920         reference only if 'public' is true.
4921         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4922         emit the .hidden directive only if the indirect reference is public.
4923         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4924         Pass it to dw2_force_const_mem.
4925         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4926         * dwarf2out.c (output_cfi): Adjust calls to above function.
4927         (output_call_frame_info): Likewise.
4928         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4929         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4931 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4933         PR tree-optimization/24483
4934         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4935         field to elts if possible.
4937 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4939         PR middle-end/23155
4940         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4941         CONSTRUCTOR.
4943 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4945         Fix PR tree-optimization/24351
4947         * tree-ssa-structalias.c (struct variable_info): Add
4948         collapsed_into.
4949         (get_varinfo_fc): New function to follow collapsing.
4950         (new_var_info): Set collapsed_to to NULL.
4951         (dump_constraint): Follow collapsing.
4952         (build_constraint_graph): Handle collapsing.
4953         (do_simple_structure_copy): Return false if something bad
4954         happened.
4955         (collapse_rest_of_var): New function.
4956         (do_structure_copy): Collapse if do_simple_structure_copy returns
4957         false.
4959 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4961         PR middle-end/24589
4962         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4963         expressions to a statement list instead of gimplifying them.
4965 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4967         PR rtl-optimization/23585
4968         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4969         that can't trap plus a constant integer, if the mode has zero size.
4971 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4973         PR target/24620
4974         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4975         as operand 2.
4976         ("*insv<mode>_reg_extimm"): Likewise.
4978 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4980         PR c/24329
4981         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4982         c_common_type_for_mode returns an unnamed type.
4984 2005-11-02  Richard Henderson  <rth@redhat.com>
4986         PR target/9350
4987         PR target/24374
4988         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4989         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4990         * function.c (assign_parms): Use calls.internal_arg_pointer.
4991         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4992         code.
4993         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4994         (TARGET_CALLS): Add it.
4995         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4996         * targhooks.c (default_internal_arg_pointer): New.
4997         * targhooks.h (default_internal_arg_pointer): Declare.
4998         * tree.h (dwarf2out_reg_save_reg): Declare.
4999         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
5000         * config/i386/i386.c (dbx_register_map): Add return column.
5001         (dbx64_register_map, svr4_dbx_register_map): Likewise.
5002         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
5003         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
5004         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
5005         (ix86_save_reg): Save force_align_arg_pointer.
5006         (ix86_emit_save_regs): Make regno unsigned.
5007         (ix86_emit_save_regs_using_mov): Likewise.
5008         (ix86_expand_prologue): Handle force_align_arg_pointer.
5009         (ix86_expand_epilogue): Likewise.
5010         * config/i386/i386.h: (dbx_register_map): Update.
5011         (dbx64_register_map, svr4_dbx_register_map): Update.
5012         (struct machine_function): Add force_align_arg_pointer.
5013         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
5014         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
5015         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
5017 2005-11-02  Jan Hubicka  <jh@suse.cz>
5019         PR target/23303
5020         * i386.md: Add peep2 for simplyfing array accesses.
5022 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5024         PR target/24615
5025         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
5026         * config/s390/s390.c (s390_decompose_shift_count): New function.
5027         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
5028         (print_shift_count_operand): Use s390_decompose_shift_count.
5029         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
5030         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
5032 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5034         PR target/24600
5035         * loop.c (loop_givs_rescan): Use force_operand to expand
5036         complex GIVs.
5038 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
5040         PR 22429
5041         * fold-const.c (build_range_check): Use unsigned when signed
5042         overflow is undefined also.  If etype is subtype, make sure that
5043         the subtraction is in the supertype.
5045 2005-11-02  Richard Henderson  <rth@redhat.com>
5047         PR target/24178
5048         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
5049         by MEM_ALIGN.
5051 2005-11-01  Richard Henderson  <rth@redhat.com>
5053         PR 21518
5054         * loop.c (scan_loop): Do not propagate computations to a hard
5055         register destination with SMALL_REGISTER_CLASSES.
5057 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
5059         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
5060         costs for MULT inside PLUS or MINUS.
5062 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
5064         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
5065         (TRAMPOLINE_SIZE): Round up to 60.
5066         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
5068 2005-10-31  James E. Wilson  <wilson@specifix.com>
5070         PR debug/24444
5071         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
5072         ifdef.  Put ifdefs around call in gen_subprogram_die.
5073         (compute_frame_pointer_to_cfa_displacement): Likewise.
5074         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
5075         not defined.
5077         PR rtl-optimization/17356
5078         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
5079         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
5081 2005-10-31  Jan Hubicka  <jh@suse.cz>
5083         PR middle-end/24093
5084         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
5086         PR target/20928
5087         * i386.c (legitimize_pic_address): Deal with large immediates.
5089         PR profile/20815
5090         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
5091         from symbol names while computing checkup.
5093         PR profile/24487
5094         * predict.c (predict_loops): Do not estimate more than
5095         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
5096         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
5098 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
5100         PR tree-optimization/19097
5101         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
5103 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
5105         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
5107 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
5109         PR middle-end/23492
5110         * tree-inline.c (setup_one_parameter): If the init_stmt
5111         is NULL, don't insert the statement.
5113 2005-10-30  Jan Hubicka  <jh@suse.cz>
5115         PR tree-optimization/24172
5116         * tree-inline.c (copy_body_r): Unshare the substituted value first.
5118 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
5120         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
5121         constants for hosts with long != 32 bits.
5123 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
5125         PR middle-end/24093
5126         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
5128 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
5130         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
5131         (TARGET_MS1_16_002): New.
5132         (TARGET_MS1_16_003): New.
5134         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
5135         ("*decrement_and_branch_until_zero_no_clobber"): New.
5136         Add corresponding splitter for decrement_and_branch_until_zero
5137         instruction.
5138         Key all decrement_and_branch_until_zero patterns off of
5139         TARGET_MS1_16_003.
5141 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
5143         PR middle-end/24362
5144         * tree-complex.c (extract_component): Treat RESULT_DECL
5145         like the rest of the decls.
5147 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
5149         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
5150         indirect call to _mcount if the function needs a static chain.
5152 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
5153             Caroline Tice  <ctice@apple.com>
5155         PR rtl-optimization/24460
5156         * dwarf2out.c (have_switched_text_sections): New boolean variable.
5157         (dwarf2out_switch_text_section): Set it to true instead of
5158         incrementing separate_line_info_table_in_use.
5159         (output_loc_list): Additionally test have_switched_text_sections.
5160         (output_ranges): Likewise.
5161         (dwarf2out_finish): Likewise.
5162         * varasm.c (assemble_start_function): Do not call
5163         insert_section_boundary_note.
5164         (assemble_end_function): If flag_reorder_blocks_and_partition,
5165         switch to the function's section before emitting the .size directive.
5166         * bb-reorder.c (insert_section_boundary_note): Staticify.
5167         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
5168         * output.h (insert_section_boundary_note): Delete.
5170 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
5172         PR c/23103
5173         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
5174         instead of pointer equality when comparing types.
5176 2005-10-24  James E. Wilson  <wilson@specifix.com>
5178         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
5179         add_dependence_list_and_free calls.
5181 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5183         * contrib.texi: Add the names of the LLNL folks who donated
5184         Cray pointer support for gfortran.
5186 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5188         PR tree-optimization/24225
5189         * profile.c (branch_prob): Look from end to start through a
5190         basic block when looking for a locus.
5192 2005-10-24  Richard Henderson  <rth@redhat.com>
5194         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
5195         parallel.
5196         (hppa_expand_prologue): Likewise.
5198 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5200         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
5201         (NO_DEFERRED_PROFILE_COUNTERS): Define.
5202         * pa.h (NO_PROFILE_COUNTERS): Define.
5203         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
5204         (funcdef_nos): New vector to hold label numbers of deferred profile
5205         counters.
5206         (output_deferred_profile_counters): New function.
5207         (hppa_profile_hook): Push label number onto funcdef_nos.
5208         (pa_hpux_file_end): Call output_deferred_profile_counters if
5209         NO_DEFERRED_PROFILE_COUNTERS is false.
5211         * pa-protos.h (get_deferred_plabel): New prototype.
5212         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
5213         Make global.
5214         (output_call): Adjust calls.
5216 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
5218         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
5219         peculiarity of GOT/TOC section usage.
5221 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
5223         PR objc/24435
5224          * c-common.c (constant_string_class_name): Add documentation.
5226 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
5228         PR target/23832
5229         * recog.c (peephole2_optimize): Increment peep2_current_count
5230         only when the slot is empty.
5232 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5234         PR ada/23957
5235         * except.c (output_function_exception_table): Call
5236         assemble_external_libcall if we need a personality function.
5238 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5240         PR rtl-optimization/24460
5241         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
5242         set the basic block for barriers.
5244 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
5246         * var-tracking.c (vt_initialize): Initialize post.
5248 2005-10-21  Devang Patel  <dpatel@apple.com>
5250         PR/24220
5251         * c-common.c (vector_types_convertible_p): Check vector element type.
5253 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5255         * config/sh/sh.c (prepare_move_operands): Handle the address
5256         constant which is a tls symbolic address plus a constant.
5258 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
5260         PR driver/24473
5261         * gcc.c (main): Use the correct counter for erroring out
5262         about mulitple files.
5264 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
5266         PR target/24465
5267         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
5268         use r2 for 64-bit tls .got access.
5270 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
5272         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
5273         TRUTH_OR_EXPR.
5275 2005-10-20  Steven Bosscher  <stevenb@suse.de>
5277         PR tree-optimization/24307
5278         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
5280 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
5282         PR middle-end/24295
5283         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
5284         alias targets.
5285         * varasm.c (find_decl_and_mark_needed): After cgraph global info
5286         is ready, stop marking functions, but still mark variables.
5288 2005-10-20  Richard Guenther  <rguenther@suse.de>
5290         PR c++/24439
5291         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
5292         void type operands.
5294 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5296         PR rtl-optimization/23585
5297         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5298         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
5299         (may_trap_p_1): New predicate extracted from...
5300         (may_trap_p): ... here.  Invoke may_trap_p_1.
5301         (may_trap_or_fault_p): New predicate.
5302         * rtl.h (may_trap_or_fault_p): Declare it.
5303         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5304         instead of may_trap_p.
5305         (steal_delay_list_from_fallthrough): Likewise.
5306         (fill_simple_delay_slots): Likewise.
5307         (fill_slots_from_thread): Likewise.
5308         * function.c (pad_to_arg_alignment): Rework comment about
5309         SPARC_STACK_BOUNDARY_HACK.
5310         * config/sparc/sparc.h: Likewise.
5312 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
5314         * config/s390/s390.c (s390_expand_insv): New.
5315         * config/s390/s390-protos.h (s390_expand_insv): Declare.
5316         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5317         ("icm_hi"): Remove mode attribute.
5318         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5319         Adjust all uses.
5320         ("*extracthi", "*extractqi"): Remove.
5321         (extv<mode>", "*extzv<mode>"): New.
5322         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5323         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5325 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5327         * cfgexpand.c (discover_nonconstant_array_refs_r,
5328         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5329         (tree_expand_cfg): Call discover_nonconstant_array_refs.
5330         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5331         discover_nonconstant_array_refs.
5333 2005-10-19  Steven Bosscher  <stevenb@suse.de>
5335         PR c/23228
5336         * c-decl.c (pop_scope): Don't warn about an unused variable
5337         if it is marked with TREE_NO_WARNING.
5338         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5339         somenow mismatch and olddecl is to be replaced.
5341 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
5343         PR middle-end/23199
5344         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5345         whether registers live on the edge can be saved/restored.
5347 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
5349         * config/sh/sh.c (fixup_mova): Skip notes.
5351 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5353         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5354         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5355         (s390_can_eliminate): Handle BASE_REGNUM elimination.
5356         (s390_initial_elimination_offset): Likewise.
5357         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5358         register on TARGET_ZARCH targets.
5359         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5360         (INITIAL_FRAME_POINTER_OFFSET): Remove.
5361         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5362         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5364 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5366         * config/s390/s390.md: Comment describing output modifiers updated.
5367         * config/s390/s390.c (print_operand): Likewise.
5369 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5371         * config/s390/s390.c (override_options): Added check for -mstack-size
5372         64k limitation.
5373         * doc/invoke.texi: Mention that limit in the documenation.
5375 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
5377         PR #19672
5378         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5380 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
5382         Fix PR tree-optimization/24231
5384         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5385         (compute_avail): Ditto.
5387 2005-10-18  Richard Henderson  <rth@redhat.com>
5389         PR target/24428
5390         * config/i386/i386.c (legitimate_constant_p): Check
5391         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
5392         if LABEL_REF.
5393         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5394         (legitimate_pic_address_disp_p): Reorg CONST checking to make
5395         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
5396         directly.
5397         (print_operand_address): Likewise.
5398         * config/i386/predicates.md (x86_64_immediate_operand): Test
5399         SYMBOL_REF_TLS_MODEL properly inside CONST.
5400         (x86_64_zext_immediate_operand): Likewise.
5401         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5402         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5403         * config/i386/i386-protos.h: Remove predicates.md entries.
5405 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
5407         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5408         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5410 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
5411             Ian Lance Taylor <ian@airs.com>
5413         PR middle-end/23522
5414         * fold-const.c (fold_widened_comparison): Do not allow range based
5415         constant folding when right operand cannot be unwidened.
5417 2005-10-17  Richard Henderson  <rth@redhat.com>
5419         * builtins.c (expand_builtin_synchronize): Build a new-style asm
5420         with a memory clobber.
5422 2005-10-17  James E Wilson  <wilson@specifix.com>
5424         PR rtl-optimization/17356
5425         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5426         checking for EDGE_EH.
5428 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5430         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5431         the slot on an even boundary for any type with 16-byte alignment.
5433 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
5435         PR target/23424
5436         * md.texi (Modifiers) <%>: Clarify that % doesn't work
5437         after register allocation.
5439 2005-10-17  DJ Delorie  <dj@redhat.com>
5441         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5442         as frame related.
5444 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
5446         PR c++/22551
5447         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5448         overflow flags.
5450 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
5452         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5453         to 2 if it's already non-zero.
5454         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5455         is set and warn about it if flag_schedule_insns is 1.
5457 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
5459         * config/crx/crx.md: Compare-and-branch instructions need to
5460         invalidate CC.
5462 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
5464         PR target/24315
5465         * config/i386/i386.md (*pushdi2_rex64 splitter)
5466         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5467         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5468         flow2 pass only when (optimize > 0 && flag_peephole2).
5470 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
5472         PR driver/22544
5473         * gcc.c (have_c): New static variable.
5474         (have_o): Likewise.
5475         (process_command): Remove declation of have_c.
5476         Set have_o to 1 when handling -o.
5477         (main): Add a fatel error if there are multiple
5478         files specified and -o and -c/-S is passed witout
5479         -combine or multiple languages.
5481 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
5483         Fix PR tree-optimization/22444
5484         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5485         Assert that we don't hit something with subvars.
5486         (setup_pointers_and_addressables): Don't add things with subvars,
5487         because we'll already process the subvars for aliasing purposes.
5489 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
5491         PR target/23424
5492         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5493         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5494         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5495         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5496         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5497         swapped, alternatives for the R constraint.
5499         PR middle-end/24341
5500         * builtins.c (get_builtin_sync_mode): Make unlimited
5501         mode_for_size request.
5503 2005-10-15  Richard Henderson  <rth@redhat.com>
5505         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5506         (gimplify_expr): ... here.
5507         (gimplify_compound_lval): Use it in initial scan loop.  Allow
5508         fb_lvalue in base expression.
5510 2005-10-15  Richard Henderson  <rth@redhat.com>
5512         PR 23714
5513         * builtins.c (expand_builtin_trap): Export.
5514         * expr.h (expand_builtin_trap): Declare.
5515         * expr.c (expand_assignment): Emit a trap for integral offsets
5516         from registers that weren't reduced to bitpos.
5518         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5519         (mark_array_ref_addressable): Remove.
5520         * tree-flow.h (mark_array_ref_addressable): Remove.
5521         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5523 2005-10-15  James E Wilson  <wilson@specifix.com>
5525         PR target/24232
5526         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
5527         (add_dependence_list_and_free): Likewise.
5528         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5529         call.
5531 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
5533         PR 23141
5534         PR 23142
5535         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5536         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5537         anti-range.
5538         (vrp_visit_phi_node): Only prevent infinite iterations when
5539         the previous result and the new result are both VR_RANGEs.
5541 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
5543         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5544         function comment.
5546 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5548         PR c/23439
5549         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5550         to initialize loc.
5552 2005-10-14  Per Bothner  <per@bothner.com>
5554         PR preprocessor/21250
5555         * c-ppoutput.c (print_line): Print internal line 0 as 1.
5557 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
5559         PR c++/22551
5560         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5561         overflow flags.  Refactor some conditionals.
5563 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
5565         PR tree-opt/21304
5566         * tree-dfa.c (add_referenced_var): Only look at decls which
5567         have TREE_CONSTANT or TREE_READONLY set instead of if
5568         !TREE_PUBLIC or !TREE_CONSTANT.
5570 2005-10-13  James E Wilson  <wilson@specifix.com>
5572         * doc/invoke.texi: For -x, add f95-cpp-input.
5573         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5575 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5577         PR tree-optimization/24262
5578         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5579         in loop all the time.
5581 2005-10-12  Richard Henderson  <rth@redhat.com>
5583         PR c/24255
5584         * tree.h (DECL_TRANSPARENT_UNION): Remove.
5585         * function.c (assign_parm_find_data_types): Don't support it.
5586         * print-tree.c (print_node): Likewise.
5587         * c-common.c (handle_transparent_union_attribute): Likewise.
5588         Use build_duplicate_type.
5589         * tree-inline.c (remap_type_1): Split out of remap_type;
5590         properly remap aggregate fields.
5591         (build_duplicate_type): New.
5592         * doc/extend.texi (Variable Attributes): Remove documentation
5593         for transparent_union.
5595 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5597         PR target/24284
5598         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5599         (gen_stack_pointer_dec): Likewise.
5601 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5603         PR middle-end/21275
5604         PR middle-end/21766
5605         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5606         target hook.
5607         (struct cxx): Add adjust_class_at_definition target hook.
5608         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5609         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5610         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5611         hook_void_tree. Add to TARGET_CXX.
5612         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5613         dllimport_flag.
5614         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5615         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5616         instead of attribute. Check for dllexport override.  Warn if
5617         inconsistent dll linkage. Don't lose old dllimport if decl has
5618         had address referenced.   Tweak lookup of dllimport atribute.
5619         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5620         for target specific rules.  Don't add dllimport attribute if
5621         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5622         dllimport attribute.
5623         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5624         * varasm.c (initializer_constant_valid_p): Replace
5625         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5627         PR target/21801
5628         PR target/23589
5629         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5630         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5631         (i[34567]86-*-mingw32*): Likewise.
5633         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5634         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5636         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5637         C++-specific code. Change return value to bool.
5638         (i386_pe_dllimport_p): Likewise.
5639         (associated_type): Simplify and make language-independent
5640         (i386_pe_encode_section_info): Replace override of ambiguous
5641         dllimport symbol refs with a gcc_assert.
5642         (i386_pe_valid_dllimport_attribute_p): Define.
5643         * config/i386/winnt-cxx.c: New file. Define C++ versions of
5644         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5645         i386_pe_adjust_class_at_definition.
5646         * config/i386/winnt-stubs.c: New file. Define stub versions of
5647         lang-specific functions.
5648         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5649         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5650         i386_pe_adjust_class_at_definition.
5651         (i386_pe_valid_dllimport_attribute_p): Declare.
5652         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5653         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5654         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5656         PR target/19704
5657         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5658         dllimport attribute with test of DECL_DLLIMPORT_P.
5660 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5662         * combine.c (make_extraction): Correct offset computation.
5664 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5666         * config/cris/t-linux (LIMITS_H_TEST): Define.
5668 2005-10-12  Richard Henderson  <rth@redhat.com>
5670         PR rtl-opt/23324
5671         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5673 2005-10-12  Richard Guenther  <rguenther@suse.de>
5675         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5677 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5679         PR c++/19964
5680         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5681         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5682         type.
5684 2005-10-12  Richard Guenther  <rguenther@suse.de>
5686         PR c++/23799
5687         * varasm.c (output_constant): Correct typo from previous
5688         patch by DJ.
5690 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5692         PR rtl-optimization/13931
5693         * combine.c: Revert patch of 2003-05-14, and:
5694         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5695         completely killed in the appropriate insn.
5696         (distribute_notes): Don't skip multiple hard register test for
5697         elim_i1 and elim_i2.
5699 2005-10-11  Richard Henderson  <rth@redhat.com>
5701         PR c/24255
5702         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5703         to initialize a transparent union instead of a nop_expr.
5705 2005-10-11  Richard Henderson  <rth@redhat.com>
5707         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5708         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5709         (tree_ssa_dce_loop): Call scev_reset.
5711         PR tree-opt/24300
5712         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5713         * tree-ssa-dce.c: Include cfgloop.h.
5714         (tree_ssa_dce_loop, pass_dce_loop): New.
5715         * tree-pass.h (pass_dce_loop): Declare it.
5716         * passes.c (init_optimization_passes): Use it.
5718 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5720         PR middle-end/24263
5721         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5722         Only apply the optimization for rounding builtins if the inner
5723         cast is also an extension.
5725 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5727         PR tree-opt/23946
5728         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5729         mark_new_vars_to_rename instead of update_stmt.
5731 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5733         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5735 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5737         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5738         for setting MMX register to 0 rather than mmx.
5740 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5742         PR target/12098
5743         * configure.ac: Move gas check from mips specific case to common case.
5744         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5745         * configure: Regenerate
5746         * doc/install.texi: Update.
5748 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5750         PR target/24284
5751         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5753 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5755         * gcc.c (do_spec_1): Accept numeric characters in file name
5756         suffixes.
5758 2005-10-10  Nick Clifton  <nickc@redhat.com>
5760         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5761         describing the deleted arm_gen_rotated_half_load function.
5763 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5765         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5766         __fpscr_values.
5768 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5770         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5771         gnu_ld assignments.
5772         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5773         (EXTRA_MULTILIB_PARTS): Define.
5774         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5775         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5776         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5777         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5778         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5779         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5781 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5783         PR tree-optimization/24226
5784         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5785         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5786         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5787         Export.
5789 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5791         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5793 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5795         PR target/24136
5796         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5797         Rewrite for no need for the early clobber.
5799 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5801         Merge from csl-arm-branch:
5802         2005-09-07  Paul Brook  <paul@codesourcery.com>
5803         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5804         space to string.
5806         2005-04-30  Paul Brook  <paul@codesourcery.com>
5807         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5808         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5810         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5811         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5812         (arm_override_options): Use TARGET_AAPCS_BASED.
5813         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5814         (PTRDIFF_TYPE): Use int for AAPCS.
5815         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5816         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5817         (DEFAULT_SHORT_ENUMS): Delete.
5818         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5820         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5821         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5822         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5823         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5825         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5826         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5828         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5829         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5831         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5832         * config.gcc (arm*-*-linux-gnueabi): Add it.
5833         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5834         redefining it.
5835         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5836         * config/arm/linux-eabi.h: New file.
5837         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5838         (LINUX_TARET_LINK_SPEC): Likewise.
5839         (LINK_SPEC): Use it.
5840         * config/arm/t-linux-eabi: New file.
5842 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5844         PR other/22202
5845         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5846         spaces.
5847         (PARAM_SMS_DFA_HISTORY): Likewise.
5849 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5851         PR middle-end/23150
5852         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5853         (load_register_parameters): Call it.
5854         (check_sibcall_argument_overlap_1): Likewise.
5855         (store_one_arg): Likewise.
5857 2005-10-07  James E. Wilson  <wilson@specifix.com>
5859         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5860         DImode not VECINT24 for operand 2.
5862         PR target/23644
5863         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5864         -mtune-arch.
5866         PR target/24193
5867         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5868         fr_spill): Use destination_operand for operand 0.
5870 2005-10-07  DJ Delorie  <dj@redhat.com>
5872         * varasm.c (output_constant): Limit error to expanding
5873         conversions.
5875 2005-10-07  Richard Guenther  <rguenther@suse.de>
5877         PR middle-end/24227
5878         * fold-const.c (fold_binary): Fix operand types during folding
5879         of X op (A, Y).  Evaluation order of the side-effects of
5880         X and A are frontend-defined, so ensure we honour that even for
5881         tcc_comparison class operands; eased by removing duplicate code.
5883 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5885         * stor-layout.c (layout_type): Do not allow alignment of array
5886         elements to be greater than their size.
5888 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5890         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5891         host_xmake_file.
5892         (hppa*-*-linux*): Ditto.
5893         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5894         * config/host-hpux.c: New.
5895         * config/x-hpux: New.
5896         * config/pa/x-hpux: Remove.
5897         * config/pa/x-linux: Remove.
5898         * config/pa/pa-host.c: Remove.
5900 2005-10-07  Jeff Law  <law@redhat.com>
5902         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5903         determine whether or not to try and thread outgoing edges.
5905 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5907         * config/rs6000/rs6000.md (eqsi_power): New.
5908         (neg_eq0si): Add TARGET_POWER to final condition.
5909         (neg_eqsi): Same.
5911 2005-10-06  Richard Henderson  <rth@redhat.com>
5913         * config/rs6000/rs6000.c: Revert last change.
5915 2005-10-06  Richard Henderson  <rth@redhat.com>
5917         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5918         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5920 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5922         PR middle-end/22216
5923         PR middle-end/23651
5924         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5925         out return_label and naked_return_label.
5927 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5929         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5930         change.
5932 2005-10-06  Richard Henderson  <rth@redhat.com>
5934         PR tree-opt/22237
5935         * tree-inline.c (declare_return_variable): Handle modify_dest not
5936         being a DECL.
5938 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5940         Fix PR tree-optimization/22488
5941         * tree-ssa-structalias.c (check_for_overlaps): New function.
5942         (create_variable_info_for): Use it.
5944 2005-10-06  Richard Henderson  <rth@redhat.com>
5946         PR debug/24070
5947         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5948         (dwarf2out_start_source_file): Print it.
5950 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5952         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5954 2005-10-06  Richard Henderson  <rth@redhat.com>
5956         PR 23706
5957         * mode-switching.c (optimize_mode_switching): Clear transp bit
5958         for block with incomming abnormal edges.
5960         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5961         (fpscr_set_from_mem): Use them.
5962         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5963         (fpscr postinc splitters): Rewrite as peephole2+split.
5965 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5967         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5968         (eq<mode>_compare): Same.
5970 2005-10-06  Richard Guenther  <rguenther@suse.de>
5972         PR tree-optimization/24238
5973         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5975 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5977         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5978         here.  Use AC_PATH_PROG for environment variables instead of
5979         test -x.
5980         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5981         objdump also.
5982         * configure: Regenerated.
5984 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5986         PR target/23783
5987         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5988         then force it into a register.
5989         (call_value): Likewise.
5991 2005-10-06  Richard Henderson  <rth@redhat.com>
5993         PR 24049
5994         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5995         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5996         under pass_vectorize.
5998 2005-10-05  Devang Patel  <dpatel@apple.com>
6000         PR Debug/23205
6001         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
6002         handling constants. Check NAMESPACE_DECL context for constants.
6004 2005-10-05  Eric Christopher  <echristo@apple.com>
6006         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
6008 2005-10-05  Richard Henderson  <rth@redhat.com>
6010         PR 23714
6011         * tree-cfg.c (mark_array_ref_addressable_1): New.
6012         (mark_array_ref_addressable): New.
6013         * tree-flow.h (mark_array_ref_addressable): Declare.
6014         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
6016 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
6018         PR middle-end/20606
6019         PR middle-end/24069
6020         * reload.c (subst_reloads): When adding a REG_LABEL to a
6021         jump instruction, also update JUMP_LABEL.
6023 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
6025         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
6026         * bb-reorder.c (copy_bb_p): Use it.
6027         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
6029 2005-10-05  Richard Henderson  <rth@redhat.com>
6031         PR target/23602
6032         * toplev.c (process_options): Warn about unsupported combinations
6033         of unwind tables and omit-frame-pointer.
6034         * config/i386/i386.c (override_options): Similarly.  Enable
6035         accumulate-outgoing-args if not explicitly disabled.
6037 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
6039         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
6040         Handle big endian vs. small endian.
6041         (vec_initv2sf): Handle big endian vs. small endian.
6042         (*vec_extractv2sf_1): Ditto.
6044 2005-10-05  Dale Johannesen  <dalej@apple.com>
6046         * convert.c (convert_to_real):  Don't convert
6047         (float)floor(double d) to floorf((float)d).
6049 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
6051         * config/arm/arm.md (insv): Use gen_int_mode in more places.
6053 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
6055         PR tree-optimization/18587
6056         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
6057         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
6058         build_vuses): Change to VEC type.
6059         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
6060         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
6061         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
6062         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
6063         (get_name_decl): New.  Return DECL_UID of base variable.
6064         (operand_build_cmp): New.  qsort comparison routine.
6065         (operand_build_sort_virtual): New.  Sort virtual build vector.
6066         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
6067         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
6068         (FINALIZE_BASE): Use get_name_decl.
6069         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
6070         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
6071         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
6072         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
6073         direct VEC_* manipulations.
6074         (build_ssa_operands): Call operand_build_sort_virtual.
6075         (copy_virtual_operand, create_ssa_artficial_load_stmt,
6076         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
6077         with direct VEC_* manipulations.
6078         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
6079         with direct VEC manipulations.
6081 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
6083         PR tree-optimization/21419
6084         PR tree-optimization/24146
6085         PR tree-optimization/24151
6087         * c-typeck.c (readonly_error): Handle USE being lv_asm.
6088         (build_asm_expr): Call it if outputs are read-only.
6089         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
6091 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
6092             Paolo Bonzini  <bonzini@gnu.org>
6094         PR target/23809
6096         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
6097         enable the instructions and not just the built-ins.
6098         * doc/invoke.texi (x86 Options): Likewise.
6100 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
6102         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
6104         * doc/invoke.texi (Option Summary): Correct spelling
6105         of -mmacosx-version-min.
6107 2005-10-04  Devang Patel  <dpatel@apple.com>
6109         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
6110         real types.
6112 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
6114         * tree-vect-transform.c (vect_create_epilog_for_reduction):
6115         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
6117 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
6119         * config/s390/s390.md ("TDSI","DP"): New mode macros.
6120         ("TE","tg"): New mode attributes.
6121         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
6122         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
6123         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
6124         dword_mode and one for GPRmode.
6126 2005-10-04  Ian Lance Taylor  <ian@airs.com>
6128         PR preprocessor/13726
6129         * c-ppoutput.c (cb_include): Add comments parameter, and print out
6130         any comments passed in.
6132 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6134         * tree.c (annotate_with_file_line): Fix typo.
6136 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6138         PR ada/19382
6139         * builtins.c (fold_builtin_memcmp): When constructing the pointer
6140         type used to access data in the inlined length == 1 case, use
6141         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
6142         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
6144 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
6146         * config/i386/i386.h (TARGET_FISTTP): Enable also for
6147         TARGET_SSE3 and only for TARGET_80387.
6148         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
6149         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
6150         Do not depend on TARGET_80387.
6152 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6154         * tree.c (last_annotated_node): Change type to location_t*.
6155         (annotate_with_file_line): Reflect the change of
6156         last_annotated_node type.
6158 2005-10-04  Richard Guenther  <rguenther@suse.de>
6160         PR c/23576
6161         * c-decl.c (grokdeclarator): Don't write to fields
6162         of error_mark_node.
6164 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6166         PR middle-end/23125
6167         * c-decl.c (finish_decl): Use set_user_assembler_name even for
6168         register variables.
6169         * varasm.c (make_decl_rtl): If a register variable does not
6170         have a set user assmbler name, error out.
6171         Decode the asmspec is now name+1 bypassing '*'.
6173 2005-10-04  Steven Bosscher  <stevenb@suse.de>
6175         PR tree-optimization/23049
6176         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
6177         of a COND_EXPR is folded before calling fold on the whole rhs of a
6178         conditional assignment.
6179         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
6180         document that a COND_EXPR may appear there.
6182 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
6184         PR 23445
6185         * tree-vrp.c (extract_range_from_assert): If the new numeric
6186         range created out of the assertion contradicts the existing
6187         numeric range of the ASSERT_EXPR variable, make the new range
6188         varying.
6190 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6192         * config/sh/sh.c (sh_register_move_cost): Add case for moving
6193         from T_REGS to FP register class.
6195 2005-10-03  Richard Henderson  <rth@redhat.com>
6197         PR 24135
6198         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
6199         before creating a new one.
6201 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
6203         * config/rs6000/t-aix43 (LDFLAGS): New.
6204         * config/rs6000/t-aix52 (LDFLAGS): New.
6206 2005-10-03  Ian Lance Taylor  <ian@airs.com>
6208         * gimplify.c (find_single_pointer_decl_1): New static function.
6209         (find_single_pointer_decl): New static function.
6210         (internal_get_tmp_var): For a formal variable, set restrict base
6211         information if appropriate.
6212         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
6213         return it.
6214         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
6215         (DECL_GET_RESTRICT_BASE): Define.
6216         (SET_DECL_RESTRICT_BASE): Define.
6217         (decl_restrict_base_lookup): Declare.
6218         (decl_restrict_base_insert): Declare.
6219         (struct tree_decl_with_vis): Add based_on_restrict_p field.
6220         * tree.c (restrict_base_for_decl): New static variable.
6221         (init_ttree): Initialize restrict_base_for_decl.
6222         (copy_node_stat): Copy restrict base information.
6223         (decl_restrict_base_lookup): New function.
6224         (decl_restrict_base_insert): New function.
6225         (print_restrict_base_statistics): New static function.
6226         (dump_tree_statistics): Call print_restrict_base_statistics.
6228 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
6230         PR 24142
6231         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
6232         case of anti-ranges.
6234 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
6236         PR c/18851
6237         * c-typeck.c (tagged_tu_seen): Rename to ...
6238         (tagged_tu_seen_cache): this and add val field.
6239         (comptypes): Move functional to comptypes_internal
6240         and free tagged_tu_seen.
6241         (comptypes_internal): New function and call comptypes_internal
6242         instead of comptypes. Speed up by sibcalling
6243         tagged_types_tu_compatible_p.
6244         (alloc_tagged_tu_seen): New function
6245         (free_all_tagged_tu_seen_up_to): New function.
6246         (tagged_types_tu_compatible_p): Return the val of the seen two
6247         types.
6248         Add that the two types are the same to tagged_tu_seen_base
6249         if they are and call comptypes_internal instead of comptypes.
6250         <case UNION_TYPE>: Speed up common type where the fields are
6251         in the same order.
6252         (function_types_compatible_p): Call comptypes_internal instead of
6253         comptypes.
6254         (type_lists_compatible_p): Likewise.
6255         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
6257 2005-10-02  Matthias Klose  <doko@debian.org>
6259         * doc/invoke.texi: Fix typo and speling error.
6261 2005-10-01  Richard Henderson  <rth@redhat.com>
6263         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
6265 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
6267         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
6268         using --start-group and --end-group.
6270 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6272         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
6273         FIXME note regarding quirky semantics.
6275 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6277         PR 24141
6278         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
6279         non-null range as a last resort.
6281 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
6282             Diego Novillo  <dnovillo@redhat.com>
6284         PR 23604
6285         * tree-vrp.c (extract_range_from_assert): For !=
6286         assertions, only build an anti-range if LIMIT is a
6287         single-valued range.
6289 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6291         * arm.md (movqi): On thumb when optimizing, handle loading from
6292         memory by describing this as taking a subreg of a zero-extended load
6293         into an SImode register.
6294         (movhi): Likewise.
6296 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
6298         * reload1.c (merge_assigned_reloads): Do not change any
6299         RELOAD_FOR_OUTPUT_ADDRESS reloads.
6301 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
6303         * Makefile.in (LIPO_FOR_TARGET): Define.
6304         (STRIP_FOR_TARGET): Define.
6306         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6307         before creating new ones.  Do symlinks before creating the actual
6308         targets.
6310         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6311         to work out which multilibs are actually being built.
6313 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
6315         * tree-vect-transform.c, config/ms1/ms1.md,
6316         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6317         Follow spelling conventions.
6318         * doc/invoke.texi, doc/md.texi: Fix typos.
6320 2005-09-30  Andrew Macleod  <amacleod@redat.com>
6322         PR tree-optimization/21430
6323         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6324         use operands, and set stmt pointer if need be.
6325         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6326         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6327         present.
6329 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6331         PR middle-end/24053
6332         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6334 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
6336         * optabs.c (expand_binop): Initialize first_pass_p.
6338 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
6340         PR middle-end/24109
6341         * c-decl.c (c_write_global_declarations_1): If any
6342         wrapup_global_declaration_2 call returned true, restart the loop.
6344 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
6346         Fix PR tree-optimization/24117
6347         * tree-ssa-structalias.c (find_func_aliases): Strip nops
6348         before considering whether to use anyoffset.
6350 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6352         Revert this patch:
6354         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6356         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6357         to order operands.
6358         (swap_commutative_operands_with_target): New.
6360 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6362         PR c/21419
6363         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6364         read-only.
6366 2005-09-29  Steven Bosscher  <stevenb@suse.de>
6368         PR tree-optimization/23911
6369         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6370         and IMAGPART_EXPR too.
6372 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
6374         PR 17886
6375         * expmed.c (expand_shift): Move logic to reverse rotation
6376         direction when  rotating by constants ...
6377         * optabs.c (expand_binop): ... here.
6378         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6379         (ix86_rotrdi3): New pattern.
6380         (rotldi3): Handle 32-bit mode.
6381         (ix86_rotldi3): New pattern.
6383 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
6385         PR target/24102
6386         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6387         check for numbers that need no bit twiddle.
6389 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
6391         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6392         multilib to be built.
6394         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6395         (stage1-start): Delete old libgcc and libunwind before moving
6396         anything into the stage directory.
6397         (stage2-start): Likewise.
6398         (stage3-start): Likewise.
6399         (stage4-start): Likewise.
6400         (stageprofile-start): Likewise.
6401         (stagefeedback-start): Likewise.
6402         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6403         header in tm_file and CPU-specific t-darwin in tmake_file.
6404         (i[34567]86-*-darwin*): Don't change tm_file.
6405         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6406         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6407         shared library stub for target OS version.
6408         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6409         (SHLIB_LINK): Don't make SHLIB_SOLINK.
6410         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6411         (libgcc_s.%.dylib): New.
6412         (LIBGCC): Define.
6413         (install-darwin-libgcc-stubs): New.
6414         (INSTALL_LIBGCC): New append.
6415         * config/i386/darwin-libgcc.10.4.ver: New.
6416         * config/i386/darwin-libgcc.10.5.ver: New.
6417         * config/i386/t-darwin: New.
6418         * config/rs6000/darwin-libgcc.10.4.ver: New.
6419         * config/rs6000/darwin-libgcc.10.5.ver: New.
6420         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6421         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6423 2005-09-28  Paul Brook  <paul@codesourcery.com>
6425         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6426         denormals.
6428 2005-09-28  Richard Guenther  <rguenther@suse.de>
6430         PR tree-optimization/23853
6431         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6432         host_integerp to verify misalignment value.
6434 2005-09-28  Richard Henderson  <rth@redhat.com>
6436         * builtins.c (get_builtin_sync_mode): New.
6437         (expand_builtin_sync_operation): Pass in mode argument.
6438         (expand_builtin_compare_and_swap): Likewise.
6439         (expand_builtin_lock_test_and_set): Likewise.
6440         (expand_builtin_lock_release): Likewise.
6441         (expand_builtin): Update to match.
6443 2005-09-28  Nick Clifton  <nickc@redhat.com>
6445         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6446         formatting.  Add check to PLUS case to ensure that the offset is
6447         within an acceptable range.
6449         * config/v850/v850.md (casesi): Disable the generation of the
6450         switch pattern as it is not being handled properly at the moment.
6452         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6453         for when the high words are identical.
6455 2005-09-27  Richard Henderson  <rth@redhat.com>
6457         * pretty-print.c (pp_base_format): Fix typo for %>.
6459 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
6460             Devang Patel  <dpatel@apple.com>
6462         PR tree-optimization/23625
6463         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6464         LABEL_EXPR, assertion check.
6466 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
6468         * optabs.c (no_conflict_move_test): Check if a result of a
6469         to-be-moved insn would be clobbered by an originally
6470         preceding insn.
6472 2005-09-27  Jeff Law  <law@redhat.com>
6474         * passes.c (init_optimization_passes): Replace copy propagation
6475         passes immediately after DOM with phi-only copy propagation
6476         pases.  Add phi-only copy propagation pass after first DOM pass.
6477         * tree-pass.h (pass_phi_only_copy_prop): Declare.
6478         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6479         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6480         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
6481         to init_copy_prop.  Callers updated.
6482         (do_phi_only_copy_prop): New function.
6483         (pass_phi_only_copy_prop): New pass descriptor.
6485 2005-09-27  Nick Clifton  <nickc@redhat.com>
6487         * libgcc2.c (__popcount_tab): Remove redundant prototype.
6489 2005-09-26  Jason Merrill  <jason@redhat.com>
6491         PR c++/13764
6492         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6494         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6496 2005-09-26  James E Wilson  <wilson@specifix.com>
6498         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6499         copyright.  Add gcc copyright plus libgcc exception.
6500         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
6501         copyright.
6502         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6504 2005-09-26  Jeff Law  <law@redhat.com>
6506         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6507         about when to iterate.
6509 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
6511         PR target/23847
6512         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6513         for __complex__ double in -mcpu=G5 mode.
6515 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
6517         PR tree-optimization/23942
6518         * Makefile.in (SCEV_H): Depends on PARAMS_H.
6519         * tree-scalar-evolution.c: Include params.h.
6520         (t_bool): New enum.
6521         (follow_ssa_edge, follow_ssa_edge_in_rhs,
6522         follow_ssa_edge_in_condition_phi_branch,
6523         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6524         Change return type to t_bool.  Use a parameter to limit the size of
6525         trees that are walked before stopping
6526         (analyze_evolution_in_loop): Initialize the limit to 0.
6527         (follow_ssa_edge): Give up by returning t_dont_know if the limit
6528         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6530 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6532         PR middle-end/23831
6533         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6534         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6536 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
6538         * combine.c (make_extraction): Check for valid use of subreg.
6540 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6542         PR target/24055
6543         * config/i386/i386.md ("*fistdi2_1"): New pattern.
6544         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6545         ("fist<mode>2_with_temp"): Use only register operands.
6547 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
6549         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6550         CALL_INSN_FUNCTION_USAGE.
6552 2005-09-26  Richard Guenther  <rguenther@suse.de>
6554         PR middle-end/15855
6555         * gcse.c: Include hashtab.h, define ldst entry hashtable.
6556         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6557         (ldst_entry): Use the hashtable instead of list-walking.
6558         (find_rtx_in_ldst): Likewise.
6559         (free_ldst_entry): Free the hashtable.
6560         (compute_ld_motion_mems): Create the hashtable.
6561         (trim_ld_motion_mems): Remove entry from hashtable if
6562         removing it from list.
6563         (compute_store_table): Likewise^2.
6564         (store_motion): Free hashtable in case we did not see
6565         any stores.
6567 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
6569         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6570         and arg1 if we are passing them to fold_build2.
6572 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6574         PR 23828
6575         * config/i386/i386.c (ix86_function_regparm): Fix the test for
6576         a nested function.
6578 2005-09-25  Richard Henderson  <rth@redhat.com>
6580         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6581         SYMBOL_REF_TLS_MODEL to be correct.
6583 2005-09-24  Richard Henderson  <rth@redhat.com>
6585         * ipa-type-escape.c (discover_unique_type): Remove dead code at
6586         end of function.  Reindent.
6588 2005-09-24  Ian Lance Taylor  <ian@airs.com>
6590         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6591         NEGATE_EXPR/BIT_NOT_EXPR case.
6593 2005-09-24  Richard Henderson  <rth@redhat.com>
6595         * c-common.c (handle_mode_attribute): When not modifying in place,
6596         create subtypes for enumerations.
6597         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6598         * gimplify.c (create_tmp_from_val): Likewise.
6600 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6602         * config/i386/i386.md (*tls_global_dynamic_64,
6603         *tls_local_dynamic_base_64): Add missing mode to call.
6604         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6606 2005-09-24  Jan Hubicka  <jh@suse.cz>
6608         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6609         (cgraph_clone_node): Likewise.
6610         * cgraph.h (cgraph_clone_edge): Update prototype.
6611         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6612         duplicated prototypes; add updating argument.
6613         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6614         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6615         updating profile.
6616         (cgraph_mark_inline_edge): Likewise.
6617         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6618         (cgraph_flatten_node): Likewise.
6619         (cgraph_decide_recursive_inlining): Likewise.
6620         (cgraph_decide_inlining_of_small_function): Likewise.
6621         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6623 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6624             Pete Steinmetz <steinmtz@us.ibm.com>
6626         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6627         (rldic.): Set type to "compare".
6628         (rldicr.): Same.
6629         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6630         mfjmpr for MFCTR/MFLR.
6631         (movdf_hardfloat64): Same.
6632         (movdf_softfloat64): Same.  Correct order of store and move types.
6633         (movti_string): Set type to store_ux/load_ux.
6634         (load_multiple): Set type to load_ux.
6635         (store_multiple): Set type to store_ux.
6636         (movmemsi): Set type to store_ux.
6637         (output_cbranch direct_return): Set type to jmpreg.
6638         (stmw): Set type to store_ux.
6639         (lmw): Set type to load_ux.
6640         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6641         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6642         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6643         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6644         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6645         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6646         (rios1-fpstore): Increase latency to 3.
6647         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6648         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6650 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6651             Andrew Pinski  <pinskia@physics.uc.edu>
6653         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6654         operand2 constraint to "b".
6655         (sync_<fetchop_name>di_internal): Same.
6656         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6657         to "b".
6658         (sync_old_<fetchop_name>di_internal): Same.
6659         (sync_new_<fetchop_name>si_internal): Same.
6660         (sync_new_<fetchop_name>di_internal): Same.
6662 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6664         PR middle-end/23991
6665         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6666         case, define as macros.
6668         PR rtl-optimization/23837
6669         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6670         clobber / clobber match between dest and p->first.
6672         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6673         (no_conflict_move_test): Update comments.
6675 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6677         * doc/install.texi: Update URL for Jacks.
6678         * doc/sourcebuild.texi: Likewise.
6680 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6682         PR target/24007
6683         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6684         registers when choosing register preferences.
6685         (movdf_hardfloat64): Same.
6687 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6689         * expmed.c (expand_shift): Don't use the target of the rotate as
6690         target for the first expanded shift insn.
6691         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6693 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6695         PR tree-optimization/22438
6696         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6697         preserved iv rhs rewriting specially.
6699 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6701         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6702         estimate_only  is true.
6703         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6704         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6705         tree-ssa-structalias.c
6706         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6707         ref_contains_indirect_ref.
6708         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6710 2005-09-21  DJ Delorie  <dj@redhat.com>
6712         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6713         MASK_PTR_A0D0.
6714         (mn10300_return_in_memory): Support variable size types also.
6715         (mn10300_pass_by_reference): Likewise.
6716         (mn10300_function_value): New.
6717         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6718         (FUNCTION_OUTGOING_VALUE): Likewise.
6719         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6720         * doc/invoke.texi: Document it.
6722 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6724         PR target/22585
6725         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6726         force integer op1 into register for XFmode compares.
6728 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6730         PR middle-end/23971
6731         * expmed.c (alg_code): Add alg_impossible.
6732         (alg_hash_entry): Add cost.
6733         (synth_mult): Record alg_impossible in the hash table if
6734         multiplication by a given integer is impossble within the
6735         limit.  Speed up using alg_impossible.
6737 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6739         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6740         argument.  Allow and set any offset if needs_anyoffset is passed
6741         in.
6742         (get_constraint_for): Add argument here too.
6743         Pass it down.
6744         (do_structure_copy): Pass NULL to get_constraint_for.
6745         (handle_ptr_arith): Ditto.
6746         (find_func_aliases): Ditto.
6748 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6750         PR rtl-optimization/23898
6751         * output.h (get_attr_min_length): Declare.
6752         * final.c (get_attr_length_1): New function, broken out of:
6753         (get_attr_length).
6754         (get_attr_min_length): New function.
6755         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6756         (duplicate_computed_gotos): Likewise.
6757         * genattr.c (insn_min_length): Generate declaration.
6758         * genattrtab.c (min_fn, min_attr_value): New functions.
6759         (make_length_attrs): Generate insn_min_length.
6761 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6763         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6765 2005-09-20  Richard Henderson  <rth@redhat.com>
6767         PR tree-optimization/24059
6768         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6769         EXPAND_STACK_PARM.
6771 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6773         * c.opt (fextended-identifiers): New.
6774         * c-opts.c (c_common_handle_option): Handle
6775         -fextended-identifiers.
6776         * doc/cpp.texi: Update documentation of extended identifiers.
6777         * doc/cppopts.texi (-fextended-identifiers): Document.
6779 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6781         PR tree-optimization/23929
6782         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6783         if expr is NULL.
6785         PR tree-optimization/23818
6786         * tree-stdarg.c (execute_optimize_stdarg): Call
6787         calculate_dominance_info.
6789 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6791         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6792         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6793         (compute_overlap_steps_for_affine_1_2): Use
6794         get_number_of_iters_for_loop.
6795         (analyze_subscript_affine_affine): Check whether difference is
6796         zero first.
6797         Use get_number_of_iters_for_loop.
6798         Check whether overlap occurs outside of bounds.
6799         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6801 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6803         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6804         base register if possible.
6806 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6808         PR tree-optimization/18463
6809         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6810         converting it directly is not possible.
6811         (chrec_convert_aggressive): New function.
6812         * tree-chrec.h (chrec_convert_aggressive): Declare.
6813         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6814         Fold chrec conversions aggressively if asked to.
6815         (instantiate_parameters): Modified because of changes in
6816         instantiate_parameters_1.
6818 2005-09-19  Richard Henderson  <rth@redhat.com>
6820         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6821         (reduc_splus_v2df): New.
6823 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6825         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6826         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6828 2005-09-19  Richard Henderson  <rth@redhat.com>
6830         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6831         vcondu<SSEMODE12>.
6833 2005-09-19  Richard Henderson  <rth@redhat.com>
6835         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6836         (ia64_expand_dot_prod_v8qi): New.
6837         * config/ia64/ia64-protos.h: Update.
6838         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6839         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6840         sdot_prodv8qi, sdot_prodv4hi): New.
6841         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6843 2005-09-19  Richard Henderson  <rth@redhat.com>
6845         PR 23941
6846         * real.c (exact_real_truncate): Return false if the format cannot
6847         represent the number as a normal.
6849         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6850         for a memory source.
6852 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6854         * tree-ssa-operands.c (swap_tree_operands): Export.
6855         * tree.h (swap_tree_operands): Declare.
6856         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6857         Call swap_tree_operands.
6859 2005-09-19  Richard Henderson  <rth@redhat.com>
6861         * tree-flow.h (merge_alias_info): Declare.
6862         * tree-ssa-copy.c (merge_alias_info): Export.
6863         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6864         (vect_create_data_ref_ptr): Use create_iv directly.
6865         (vectorizable_load): Use correct types for integer constants.
6866         (vect_generate_tmps_on_preheader): Likewise.
6867         (vect_gen_niters_for_prolog_loop): Likewise.
6869 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6871         PR rtl-optimization/23943
6872         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6874 2005-09-18  Jan Hubicka  <jh@suse.cz>
6876         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6878 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6880         * varasm.c (output_constant): Do not abort on conversions to union
6881         types between different sizes.
6883 2005-09-18  Richard Guenther  <rguenther@suse.de>
6885         PR middle-end/23944
6886         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6887         fallback.
6889 2005-09-18  Paul Brook  <paul@codesourcery.com>
6891         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6893 2005-09-17  Richard Henderson  <rth@redhat.com>
6895         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6896         * tree-ssa-loop.c (pass_vect_dce): Remove.
6897         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6898         of pass_vectorize.
6900 2005-09-17  Richard Henderson  <rth@redhat.com>
6902         * tree-pass.h (pass_vect_dce): Declare.
6903         * passes.c (init_optimization_passes): Add it.
6904         * tree-flow.h (tree_ssa_dce): Declare.
6905         * tree-ssa-dce.c (tree_ssa_dce): Export.
6906         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6907         (gate_tree_vectorize): ... here.
6908         (pass_vect_dce): New.
6910 2005-09-17  Jan Hubicka  <jh@suse.cz>
6912         * except.c (struct eh_status): Turn region_array into vec.
6913         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6914         convert_from_eh_region_ranges, find_exception_handler_labels,
6915         current_function_has_exception_handlers, assign_filter_values,
6916         build_post_landing_pads, dw2_build_landing_pads,
6917         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6918         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6919         foreach_reachable_handler, can_throw_internal_1,
6920         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6921         region_array.
6922         (duplicate_eh_region_1): Update region_array.
6923         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6925 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6927         PR middle-end/22067
6928         * expmed.c (expand_mult): Substitute simple register for op0 when
6929         computing max_cost.
6931 2005-09-17  Richard Henderson  <rth@redhat.com>
6933         * expr.c (emit_move_via_integer): Add force argument, pass it on
6934         to emit_move_change_mode.  Update callers.
6935         (emit_move_complex): Pass true to new force argument.
6936         * function.c (expand_function_end): Move expand_eh_return call
6937         earlier.  Merge sub-word complex values into a pseudo before
6938         copying to the return hard register.
6940 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6942         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6943         between different sizes.
6945 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6947         PR 23903
6949         * passes.c (init_optimization_passes): Register dump files for
6950         IPA passes first.
6952 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6954         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6955         * config/s390/s390.c (s390_overlap_p): New function.
6956         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6957         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6958         condition.
6960 2005-09-16  Richard Guenther  <rguenther@suse.de>
6962         * ipa-pure-const.c (static_execute): Free auxiliar information.
6963         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6964         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6966 2005-09-15  DJ Delorie  <dj@redhat.com>
6968         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6970 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6972         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6973         to order operands.
6974         (swap_commutative_operands_with_target): New.
6976 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6978         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6979         parameter.
6980         Update callers.
6981         (estimate_iters_using_array): New function.
6982         * tree-data-ref.h (estimate_iters_using_array): Prototype
6983         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6984         Use estimate_iters_using_array instead of analyze_array.
6986 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6988         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6989         as addressable.
6991 2005-09-15  Michael Matz  <matz@suse.de>
6993         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6995 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6997         PR tree-optimization/23835
6998         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6999         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
7001 2005-09-14  Richard Henderson  <rth@redhat.com>
7003         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
7004         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
7006 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
7008         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
7009         in the ARRAY_TYPE case.
7011 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
7013         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
7015 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
7017         PR middle-end/22480
7018         * tree-vect-transform.c (vectorizable_operation): Return false for
7019         scalar shift operations and for vector shift operations with
7020         non-invariant shift arguments.  Use scalar tree operand op1 as
7021         a shift operand when vector shift insn pattern uses scalar shift
7022         operand.
7023         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
7025 2005-09-14  Olivier Hainque  <hainque@adacore.com>
7027         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
7028         value if it has side-effects.
7030 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
7032         PR target/22068
7033         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
7035 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
7037         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
7038         passed as NAME as if it were label at start of function code.
7040 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
7042         * config/sh/sh.md (*movv4sf_i): Add general register cases to
7043         the constraints.
7045 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
7047         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
7048         as early clobber.  Rewrite so the PIC register is not implicitly used.
7050 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7052         * tree.c (annotate_with_file_line): Compare line numbers before
7053         file names.
7055 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
7057         PR target/23816
7058         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
7059         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
7061 2005-09-13  Ian Lance Taylor  <ian@airs.com>
7063         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
7064         than a HOST_WIDEST_INT to gen_doloop_begin.
7066 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
7068         * tree-dfa.c (dump_variable): Guard against NULL annotations.
7070 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
7072         PR tree-optimize/23817
7073         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
7075 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
7077         PR target/23774
7078         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
7079         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
7080         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
7081         (restore_stack_nonlocal): Likewise.
7082         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
7084 2005-09-12  Ian Lance Taylor  <ian@airs.com>
7086         PR g++/7874
7087         * c.opt (ffriend-injection): New C++ option.
7088         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
7089         (C++ Dialect Options): Document -ffriend-injection.
7091 2005-09-12  Josh Conner  <jconner@apple.com>
7093         PR middle-end/23237
7094         * ipa-reference.c (static_execute): Don't mark variables in
7095         named sections TREE_READONLY.
7097 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7099         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
7100         stack_tie.
7102 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
7104         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
7105         V_MUST_DEF instead of just the first_use_p.
7106         Don't mark the virtual variables for renaming on the statement which
7107         is being removed.
7108         (pass_dse): Remove TODO_update_ssa.
7110 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
7112         PR middle-end/23290
7113         * stor-layout.c (compute_record_mode): For records with a single
7114         field, actually check the field's mode size against the type size.
7116         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
7117         registers for TARGET_SHMEDIA.
7118         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
7119         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
7120         of GENERAL_REGS and FP_REGS.
7122 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7124         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
7126 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7128         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
7129         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
7130         are omitted.  Exclude stack_tie insn too.
7132 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
7134         PR rtl-optimization/23098
7135         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
7136         0.0f is easy.
7137         * config/rs6000/rs6000.md (movdf splitter): Use
7138         const_double_operand predicate for TARGET_POWERPC64.
7139         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
7140         SYMBOL_REF method to ABI_V4.
7142         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
7143         replace_equiv_address.
7144         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
7145         rs6000_sr_alias_set and MEM_NOTRAP.
7146         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
7148 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
7150         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
7151         handle CALL_EXPR again.
7153 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7155         * arm/predicates.md (alignable_memory_operand): Delete.
7157 2005-09-10  Richard Henderson  <rth@redhat.com>
7159         PR debug/23806
7160         * dbxout.c (dbxout_expand_expr): New.
7161         (dbxout_symbol): Use it.
7163 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
7165         * arm.c (arm_gen_rotated_half_load): Delete.
7166         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
7167         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
7168         (thumb_set_return_address): Likewise.
7169         (thumb_load_double_from_address): Use adjust_address.
7170         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
7171         (extendhsisi2_mem, movhi_bytes): Use change_address.
7172         (movhi): Use widen_memory_access.
7173         (reload_out_df): Use replace_equiv_address.
7174         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
7176 2005-09-09  Richard Henderson  <rth@redhat.com>
7178         PR debug/20998
7179         * dbxout.c: Include expr.h.
7180         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
7181         (dbxout_symbol): Handle DECL_VALUE_EXPR.
7182         * Makefile.in (dbxout.o): Add EXPR_H.
7184 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
7186         PR tree-optimization/23509
7187         * tree-cfg.c (replace_uses_by): Use replace_exp.
7188         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
7189         pointers have name_mem_tag or type_mem_tag set.
7191 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7193         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
7194         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
7195         of wrongly accessing operands.
7197 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7199         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
7200         * tree-chrec.c: Include tree-scalar-evolution.h.
7201         (chrec_convert): Instantiate the base and step before calling
7202         scev_probably_wraps_p that would fail on parametric evolutions.
7203         Collect all the fails into a single section failed_to_convert,
7204         print a diagnostic, and return chrec_dont_know instead of calling
7205         fold_convert.
7206         * tree-scalar-evolution.c (loop_closed_phi_def): New.
7207         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
7208         phi nodes.
7209         (scev_const_prop): Don't replace the definition of a loop closed ssa
7210         phi node by itself, or by another loop closed ssa phi node.
7211         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
7212         that base and step are defined.
7214 2005-09-09  Richard Guenther  <rguenther@suse.de>
7216         PR c++/23624
7217         * fold-const.c (fold_ternary): Check truth_value_p before
7218         calling invert_truthvalue.
7220 2005-09-09  Nick Clifton  <nickc@redhat.com>
7222         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
7223         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
7224         dimension of these arrays.
7225         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
7226         these arrays.
7227         * longlong.h: Only provide a prototype for the __clz_tab[] array
7228         if this header has not been included from libgcc2.h.
7229         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
7230         defining own types.
7231         Provide prototypes for exported functions.
7232         Use the __clz_tab[] and __popcount_tab[] arrays provided by
7233         libgcc2.c.
7235 2005-09-08  Josh Conner  <jconner@apple.com>
7237         PR c++/21135
7238         PR c++/23180
7239         * expr.c (expand_expr_addr_expr_1): Don't invoke
7240         expand_simple_binop for EXPAND_INITIALIZER.
7242 2005-09-08  Richard Henderson  <rth@redhat.com>
7244         PR debug/23190
7245         * toplev.c (wrapup_global_declaration_1): Split out ...
7246         (wrapup_global_declaration_2): ... from ...
7247         (wrapup_global_declarations): ... here.  Return bool.
7248         (check_global_declaration_1): Split out ...
7249         (check_global_declarations): from here.
7250         (emit_debug_global_declarations): New.
7251         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
7252         check_global_declaration_1, emit_debug_global_declarations): Declare.
7253         * c-decl.c (c_write_global_declarations_1): Don't create a vector
7254         of decls.  Call wrapup_global_declaration_1,
7255         wrapup_global_declaration_2, check_global_declaration_1 directly.
7256         (c_write_global_declarations_2): New.
7257         (ext_block): New.
7258         (c_write_global_declarations): Call c_write_global_declarations_2.
7259         * langhooks.c (write_global_declarations): Call
7260         emit_debug_global_declarations.
7262         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
7263         remove decls that have DECL_RTL_SET_P.
7264         * passes.c (rest_of_decl_compilation): Invoke
7265         cgraph_varpool_finalize_decl for all but functions.
7267 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7269         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
7270         the result of a conversion if the new min and max cannot be compared.
7272 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
7274         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
7275         (override_options): Setting s390_sr_alias_set removed.
7276         (save_fpr, save_gprs): Set alias set to vararg or frame.
7277         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
7278         s390_sr_alias_set with get_frame_alias_set ().
7279         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
7280         get_varargs_alias_set ().
7282 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7284         PR objc/20574
7285         PR objc/19324
7286         * c-parser.c (c_parser_objc_method_definition): If the next
7287         token is not "{", error out and don't start the function.
7289 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7291         * tree-vrp.c (extract_range_from_expr): Move the check for non
7292         nullness after the check for gimple invariant.
7294 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7296         * tree.c (host_integerp, tree_low_cst): Correct function comment.
7298 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7300         PR target/23747
7301         * config/m32r.md (movmemsi_internal): Canonicalize order of
7302         operands in PLUS component of template.
7304 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7306         * reload1.c (fixup_eh_region_note): Remove assertion.
7307         (fixup_abnormal_edges): Reverted removal of call to
7308         find_many_sub_basic_blocks made on 2005-08-31.
7310 2005-09-07  Richard Henderson  <rth@redhat.com>
7312         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7313         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7314         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7315         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7316         rearrange for better packing.
7317         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7318         (lookup_cfa_1): Remove inline marker.
7319         (cfa_equal_p): Split out of ...
7320         (def_cfa_1): ... here.  Use INVALID_REGNUM.
7321         (build_cfa_loc): Handle !cfa->indirect.
7322         (frame_pointer_cfa_offset): New.
7323         (dbx_reg_number): Assert register elimination performed; do
7324         leaf register remapping.
7325         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7326         (eliminate_reg_to_offset): New.
7327         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
7328         for verifiably local stack frame addresses; re-base to CFA.
7329         (mem_loc_descriptor): Remove can_use_fbreg argument.
7330         (concat_loc_descriptor, loc_descriptor): Likewise.
7331         (containing_function_has_frame_base): Remove.
7332         (rtl_for_decl_location): Don't do register elimination or
7333         leaf register remapping here.
7334         (secname_for_decl): Split out from ..
7335         (add_location_or_const_value_attribute): ... here.
7336         (convert_cfa_to_loc_list): New.
7337         (compute_frame_pointer_to_cfa_displacement): New.
7338         (gen_subprogram_die): Use them.
7339         * tree.h (frame_base_decl): Remove.
7340         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7341         (prologue_stack_adjust): Remove.
7342         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7343         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7344         (set_frame_base_location): Remove.
7345         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7346         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7347         (vt_add_function_parameters): Don't eliminate_regs.
7348         (vt_initialize): Don't create frame_base_decl.
7350 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7352         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7353         version of GNU binutils for 4.x and later.
7355 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
7357         * ggc-page.c (ggc_push_context): Remove.
7358         (ggc_pop_context): Likewise.
7359         * ggc.h (ggc_push_context): Remove.
7360         (ggc_pop_context): Likewise.
7362 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7364         PR target/8973
7365         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7366         returning from an interrupt handler.
7368 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7370         PR target/8972
7371         * config/arc/arc.c (output_shift): Add check for loop count when
7372         optimizing.
7374 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7376         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7377         form manually.
7378         (abs_replacement): Likewise.
7379         (pass_phiopt): Remove TODO_update_ssa.
7381 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7383         PR c/23075
7384         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7385         if "return with no value, in function returning non-void" warning
7386         has been issued.
7387         * tree-cfg.c (execute_warn_function_return): Don't look at
7388         RETURN_EXPRs with TREE_NO_WARNING set.
7390         PR target/22362
7391         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7392         for internal functions doesn't use registers used by global registers
7393         variables.  Use fewer register parameters if there are global register
7394         variables.
7396 2005-09-06  Olivier Hainque  <hainque@adacore.com>
7397             Eric Botcazou  <ebotcazou@adacore.com>
7399         PR middle-end/14997
7400         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7401         when we would be extracting outside its bit span (bitpos+bitsize
7402         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7403         Ada unchecked conversions.
7405 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7407         * tree-ssa-pre.c (try_look_through_load): New function.
7408         (compute_avail): Use it to try to look through loads for some
7409         more useful expressions.
7411 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7413         * simplify-rtx.c (simplify_binary_operation_1): Correct the
7414         condition for detecting cases like (a&a) and (a^a).
7416 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
7418         * common.opt: Add option ftree-vect-loop-version.
7419         * params.def: Add --param vect-max-version-checks.
7420         * doc/invoke.texi: Document ftree-vect-loop-version and
7421         --param vect-max-version-checks.
7422         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7423         may_misalign_stmts and defines for accessors.
7424         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7425         LOOP_VINFO_MAY_MISALIGN_STMTS.
7426         (destroy_loop_vec_info): VEC_free for
7427         LOOP_VINFO_MAY_MISALIGN_STMTS.
7428         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7429         Update documentation.
7430         (vect_update_misalignment_for_peel): New.
7431         (vect_enhance_data_refs_alignment): Update to choose loop
7432         peeling or loop versioning if appropriate for the (potentially)
7433         unaligned data references in the loop.
7434         (vect_analyze_data_refs_alignment): Remove call to
7435         vect_enhance_data_refs_alignment so the checks can be done
7436         earlier.
7437         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7438         and move up call to vect_analyze_data_refs_alignment.
7439         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7440         (vect_transform_loop): Add call to loop_version.
7442 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7444         PR rtl-optimization/23098
7445         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7446         * simplify-rtx.c (constant_pool_reference_p): New function.
7447         * rtl.h (constant_pool_reference_p): New prototype.
7448         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7449         constant_pool_reference_p in condition and
7450         avoid_constant_pool_reference in preparation statements.
7452 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7454         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7455         STRICT_LOW_PART SETs.
7457 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
7459         PR middle-end/21460
7460         * except.c (sjlj_emit_function_enter): Find the function begin
7461         note even when it's not in first basic block.
7463 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
7465         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
7466         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7467         * aclocal.m4: Regenerate.
7469 2005-09-05  DJ Delorie  <dj@redhat.com>
7471         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7472         of macro.
7474 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
7476         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7477         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7478         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7479         Follow spelling conventions.
7480         * doc/invoke.texi: Follow spelling conventions.
7482 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7484         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7485         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7486         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7488 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7490         PR target/23683
7491         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7492         (output_stack_adjust): Use gen_tmp_stack_mem.
7493         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7494         (sh_set_return_address, sh_allocate_initial_value): Likewise.
7495         (sh_get_pr_initial_val): Likewise.
7496         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7497         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
7498         * sh.md (divsi_inv_m0): Use gen_const_mem.
7499         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7500         (movdf_i4+1): Use gen_tmp_stack_mem.
7501         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7502         (fpu_switch+2): Likewise.
7503         (movv4sf_i, movv16sf_i): Use adjust_address.
7504         (symGOT_load): Set MEM_NOTRAP_P bit.
7506 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7508         PR target/23721
7509         * pa.c (emit_move_sequence): Fix typo in last change.
7511 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
7513         PR rtl-optimization/23454
7514         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7515         is true.
7517 2005-09-03  Richard Henderson  <rth@redhat.com>
7518             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7520         PR middle-end/23671
7521         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7522         gen_rtx_MEM.
7524 2005-09-02  Nicolas Pitre <nico@cam.org>
7526         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7527         to bit_count to 32 bits.
7529 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
7531         PR c++/23167
7532         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7533         generating synthetic loads from volatile lvalues.
7535 005-09-02  Nick Clifton  <nickc@redhat.com>
7537         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7538         __ctzhi2, __clzhi2): New functions.
7540 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
7542         PR middle-end/23547
7543         * tree-nested.c (struct var_map_elt): Mark with GTY.
7544         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
7545         var_map_elt.
7546         (lookup_field_for_decl): Allocate new element in GC memory.
7547         (lookup_tramp_for_decl): Likewise.
7548         (convert_nl_goto_reference): Likewise
7549         (create_nesting_tree): Allocate info in GC memory. Likewise for
7550         info->var_map.
7551         (free_nesting_tree): Free with ggc_free instead of free.
7552         (root): New static variable.
7553         (lower_nested_functions): Remove root as local variable.  And zero out
7554         root at the end of the function.
7556 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
7558         PR rtl-optimization/20365
7559         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7560         to short.  New member ix.
7561         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7562         (simplify_plus_minus): Initialize ix members before calling qsort.
7564 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
7566         PR tree-optimization/23626
7567         * tree-cfg.c (replace_uses_by): Clean up eh info.
7569 2005-09-01  DJ Delorie  <dj@redhat.com>
7571         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7572         fprintf.
7574 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
7576         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7577         (rs6000_split_multireg_move): Use replace_equiv_address instead of
7578         gen_rtx_MEM.
7580 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7582         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
7583         do not issue warning for a variable definition following
7584         a declaration.
7586 2005-09-01  Richard Henderson  <rth@redhat.com>
7588         PR 23668
7589         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7590         conversion to CONST_VECTOR.
7592 2005-09-01  Richard Henderson  <rth@redhat.com>
7594         PR 23676
7595         * reload1.c (reload_as_needed): Check !CALL_P before calling
7596         fixup_eh_region_note.
7597         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7599 2005-09-01  DJ Delorie  <dj@redhat.com>
7601         * varasm.c (output_constant): Let the target resolve
7602         conversions of addresses to non-default pointer sizes.
7604 2005-09-01  Nicolas Pitre <nico@cam.org>
7606         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7607         to alow matching ARM pre-indexed addressing mode.
7608         (arm_override_options): Remove now irrelevant comment.
7610 2005-09-01  Phil Edwards  <phil@codesourcery.com>
7612         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
7613         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
7614         * config/i386/vxworks.h:  Likewise.
7615         * config/i386/t-vxworksae:  New file, for VxWorks AE.
7616         * config/i386/vxworksae.h:  Likewise.
7618 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7620         PR tree-optimization/23410
7621         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7622         sequence is not wrapping during the first step.
7624 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7626         PR debug/7241
7627         * dwarf2out.c (base_type_die): Compare char_type_node with
7628         TYPE_MAIN_VARIANT (type), not type.
7630 2005-09-01  Richard Guenther  <rguenther@suse.de>
7632         PR tree-optimization/15366
7633         * common.opt: Add -finline-functions-called-once.
7634         Put -fearly-inlining in alphabetically ordered place.
7635         * doc/invoke.texi: Document new option.
7636         * ipa-inline.c (cgraph_decide_inlining): Honour
7637         flag_inline_functions_called_once.
7639 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7641         PR rtl-optimization/23478
7642         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7643         (alloc_qty): Initialize it.
7644         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7645         (combine_regs): Combine also n_throwing_calls_crossed fields.
7646         (find_free_reg): Don't attempt to caller-save pseudos crossing
7647         calls that might throw.
7648         * global.c (struct allocno): Add throwing_calls_crossed field.
7649         (global_alloc): Revert 2005-08-22 change.  Initialize
7650         throwing_calls_crossed.
7651         (find_reg): Don't attempt to caller-save pseudos crossing calls that
7652         might throw.
7654 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7656         PR target/23649
7657         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7658         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7659         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7660         (and64_2_operand): Tweak to use predicate.
7661         (and_operand): Adjust for mask_operand changes.
7662         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7663         (print_operand): Likewise.
7664         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7665         (mask64_1or2_operand): Delete.
7666         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7667         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7668         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7669         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7670         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7671         (rotldi3_internal4): Likewise.
7672         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7673         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7674         (ashldi3_internal7): Likewise.
7675         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7676         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7677         (anddi3 split): Don't match mask64_operand.
7678         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7679         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7680         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7681         't' splitter predicate.
7682         (movdi_internal64 + 2): Revert 2005-06-11 change.
7684 2005-08-31  DJ Delorie  <dj@redhat.com>
7686         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7687         (m32c_asm_integer): Add support for 32 bit pointers.
7689 2005-08-31  Richard Henderson  <rth@redhat.com>
7691         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7692         component-like references for setting MEM_NOTRAP_P.
7694         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7695         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7697 2005-08-31  Richard Henderson  <rth@redhat.com>
7699         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7700         into a pseudo before applying gen_lowpart.
7702 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7704         * doc/install.texi (Specific): Update cctools version required
7705         for full functionality.
7706         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7707         linkers as -macosx_version_min.
7709 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7711         PR target/21255
7712         * sh.c (print_operand, %R and %S): Add handling of floating point
7713         registers, memory, constants and invalid operands.
7715 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7717         * ipa-pure-const.c: Change dump name.
7719 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7721         PR target/23570
7722         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7723         to "reg_or_0_operand".
7724         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7726 2005-08-31  Dale Johannesen  <dalej@apple.com>
7728         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7729         loops that count down.
7731 2005-08-31  Richard Henderson  <rth@redhat.com>
7733         PR rtl-opt/23601
7734         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7735         (fixup_eh_region_note): New.
7736         (reload_as_needed): Call it.
7737         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7738         don't call find_many_sub_basic_blocks; call verify_flow_info.
7739         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7740         (keep_stack_depressed): Likewise.
7741         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7743 2005-08-31  Richard Henderson  <rth@redhat.com>
7745         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7746         fp return matching.
7748 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7750         * expr.c (expand_expr_real_1): Compare size of address
7751         mode to target's address mode size in deciding expansion of
7752         the constant address.
7754 2005-08-31  Richard Guenther  <rguenther@suse.de>
7756         PR middle-end/23477
7757         * expr.c (all_zeros_p): New function.
7758         (expand_expr_real_1): Handle the case of an all-zero
7759         non-addressable constructor separately.
7761 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7763         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7764         arguments, adjust all callers.
7765         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7767 2005-08-30  Richard Henderson  <rth@redhat.com>
7769         PR target/23630
7770         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7771         whenever the mode sizes match.
7773 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7775         * calls.c (load_register_parameters): Fix comment typo.
7776         * expr.c (emit_push_insn): Comment formatting.
7778 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7780         * config/i386/x-cygwin (host-cygwin): Change dependency from
7781         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7783 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7785         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7786         parts of 'vals'.
7788 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7790         PR middle-end/23408
7791         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7792         call to ggc_collect.
7794 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7796         PR bootstrap/21268
7797         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7798         beginning.  Remove $(INCLUDES) from all the rules, if following
7799         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7801 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7803         PR middle-end/23484
7804         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7805         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7806         not constant, but maxlen is, don't set len to maxlen, rather
7807         set maxlen to len if len is a constant.
7809 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7811         PR tree-optimization/23475
7812         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7813         and counts.
7815 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7817         Fix PR middle-end/22455
7819         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7820         Checksum only the parts of the tree that exist for the tree code.
7822 2005-08-28  Dale Johannesen  <dalej@apple.com>
7824         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7826 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7828         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7830 2005-08-28  Richard Henderson  <rth@redhat.com>
7832         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7833         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7834         of char_type_node.
7836 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7838         PR ada/23593
7839         * builtins.c (get_memory_rtx): Don't strip nops
7840         in between COMPONENT_REFs.
7842 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7844         PR middle-end/23463
7845         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7846         types.
7847         (gimplify_modify_expr): Check for zero sized types and gimplify the
7848         rhs and lhs as statements.
7850 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7852         PR libgcj/23508
7853         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7854         state for return address column of signal frames.
7856 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7858         PR target/23539
7859         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7860         bytes >= 2 not bytes == 2.
7861         (expand_block_move): Same.
7863 2005-08-27  Richard Guenther  <rguenther@suse.de>
7865         PR target/23575
7866         * config/i386/sse.md (sse2_movsd): Add missing closing
7867         braces.
7869 2005-08-27  Paul Brook  <paul@codesourcery.com>
7871         * genrecog.c (enum decision_type): Add DT_num_insns.
7872         (struct decision_test): Add u.num_insns.
7873         (add_to_sequence): Add DT_num_insns test.
7874         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7875         (write_cond, debug_decision_2): Ditto.
7876         (change_state): Assume peep2_next_insn never fails.
7877         Remove "afterward" argument.
7878         (write afterward, write_tree): Update to match.
7879         * recog.c (peep2_current_count): New variable.
7880         (peep2_next_insn): Check it.
7881         (peephole2_optimize): Set peep2_current_count.
7882         * recog.h (peep2_current_count): Declare.
7884 2005-08-26  Josh Conner  <jconner@apple.com>
7886         PR middle-end/23584
7887         * ipa-pure-const.c (check_tree): Check for volatile-ness
7888         when considering a dereference.
7890 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7892         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7894 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7896         PR rtl-optimization/23561
7897         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7898         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7899         at most LEN bytes long memory fits into the field.
7900         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7901         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7902         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7904 2005-08-26  Richard Henderson  <rth@redhat.com>
7906         PR rtl-opt/23560
7907         * loop.c (biased_biv_may_wrap_p): New.
7908         (maybe_eliminate_biv_1): Use it to suppress non-equality
7909         comparison transformations.  Delete disabled code.
7911 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7913         * combine.c (make_extraction): Avoid reference outside object.
7915 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7917         * stor-layout.c (finalize_type_size): Restore behaviour for
7918         non-aggregate types to the status quo ante of the patch for
7919         pr 23467.  Document why it matters.
7921 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7923         PR c/23506
7924         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7925         array by one element, initialize the BT_LAST element with NULL.
7927 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7929         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7930         optimizing for size.
7931         (plus_eqsi): Same.
7932         (compare_plus_eqsi): Same.
7933         (plus_eqsi_compare): Same.
7934         (neg_eq0<mode>): Same.
7935         (neg_eq<mode>): Same.
7937         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7938         PROCESSOR_POWER4.
7940 2005-08-26  Nick Clifton  <nickc@redhat.com>
7942         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7943         TARGET_EP is not defined.
7944         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7945         TARGET_EP is enabled.
7946         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7947         * config/v850/v850.md (save_all_interrupt): Only use the EP
7948         register if TARGET_EP is defined.
7949         (restore_all_interrupt): Likewise.
7950         * config/v850/lib1funcs.asm: Update functions so that the EP
7951         register is only used if __EP__ is defined.
7953 2005-08-26  David Ung  <davidu@mips.com>
7955         * config/mips/mips.c (mips_expand_prologue): Handle case when
7956         generating for MIPS16 and the outgoing argument area is more than
7957         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7958         add instruction.
7960 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7962         * config/crx/crx.md: Make doloop_end pattern usage controllable
7963         via mloop-nesting=<max-nesting> command line switch. Make sure
7964         the combiner cannot use doloop_end_<mode> in an illegal way.
7965         * config/crx/crx.c: Use regs up to r6 for argument passing.
7966         Refine crx_address_cost (non cst4 displacements are expensive).
7967         * config/crx/crx.opt: Add switch for mloop-nesting=.
7969 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7971         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7972         (UNSPEC_MVST): New constant.
7974 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7976         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7977         Reject operands containing eliminable registers.
7978         * testsuite/gcc.dg/20050825-1.c: New testcase.
7980 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7981             Jan Hubicka  <jh@suse.cz>
7983         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7985 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7987         PR tree-optimization/23546
7988         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7989         and REAL_CST nodes.
7991 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7993         * params.def (PARAM_MIN_SPEC_PROB): New.
7994         * sched-rgn.c (MIN_PROBABILITY): Delete.
7995         (compute_trg_info): Convert to PARAM_VALUE.
7996         * doc/invoke.texi (param): Document min-spec-prob.
7998 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
8000         * config/darwin.h: define __PIC__
8001         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
8002         TARGET_OS_CPP_BUILTINS macro.
8004 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8006         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
8007         yesterday.
8009 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8011         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
8012         to duplicate_block.
8013         * cfghooks.c (duplicate_block): Added position where to place
8014         new block as argument.
8015         * cfghooks.h (duplicate_block): Declaration changed.
8016         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
8017         duplicate_block.
8018         * cfglayout.h (copy_bbs): Declaration changed.
8019         * cfgloop.h (loop_version): Declaration changed.
8020         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
8021         position to copy_bbs.
8022         (loop_version): Pass position to duplicate_loop_to_header_edge.
8023         Add place_after argument and position new blocks according to
8024         it.
8025         * modulo-sched.c (sms_schedule): Pass place_after argument
8026         to loop_version.
8027         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
8028         * tree-cfg.c (split_edge_bb_loc): New function.
8029         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
8030         to determine position of new blocks.
8031         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
8032         to loop_version.
8033         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
8034         argument to duplicate_block.
8035         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
8036         Pass position to copy_bbs.
8038 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8040         * fold-const.c (ptr_difference_const): Use
8041         cst_and_fits_in_hwi instead of host_integerp.
8043 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8045         * config/darwin.c (gen_pic_offset): New.
8046         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
8047         Use it.
8049 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
8051         PR tree-optimization/23486
8052         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
8054 2005-08-23  Phil Edwards  <phil@codesourcery.com>
8056         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
8057         remove use_collect2.
8058         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
8060         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
8061         configuration files to override the default value.
8063         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
8064         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
8065         * config/vx-common.h:  New file, split out from...
8066         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
8067         * config/vxworksae.h:  New file, for VxWorks AE.
8068         * config/vxworks.opt:  New file.
8069         * config/vxlib.c:  Update for VxWorks 6.
8071         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
8072         other MULTILIB_* variables appropriately.
8073         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
8074         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
8075         * config/rs6000/vxworks.h:  Update for VxWorks 6.
8076         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
8078 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
8080         PR target/20799
8081         * config/darwin.c (machopic_select_section): Remove the hack to
8082         mark "::operator new" and "::operator delete" for coalescing
8083         even though they are not weak.
8085 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
8087         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
8088         * configure: Regenerate.
8090 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8092         PR middle-end/23517
8093         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
8094         between vectors.
8095         * convert.c (convert_to_integer, convert_to_vector): Likewise.
8096         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
8097         Likewise.
8099 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8101         * config/rs6000/predicates.md (equality_operator): New.
8102         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
8103         comparison with a large constant.
8105 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
8107         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
8109 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
8111         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
8112         registers is even, and we have a hardware double precision fp,
8113         align the buffer.
8114         (sh_gimplify_va_arg_expr): For floating point arguments, consider
8115         size of current argument when checking if argument was passed in
8116         registers.
8118         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
8120         PR middle-end/23467
8121         * stor-layout.c (finalize_type_size): Dont override
8122         existing alignment with a smaller alignment from the mode.
8124 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8126         * lambda-code.c (lambda_vector_lexico_pos): Moved...
8127         * lambda.h (lambda_vector_lexico_pos): ... here.
8128         * tree-data-ref.c (build_classic_dist_vector): Return false when
8129         the distance vector is lexicographically negative.
8131 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8133         PR tree-optimization/23511
8134         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
8135         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
8137 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
8139         PR tree-optimization/22043
8140         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
8141         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
8142         If ALLOW_FLEXARR, handle types ending with flexible array member.
8143         Pass false as second argument to recursive count_type_elements calls.
8144         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
8145         argument to count_type_elements call.
8146         * tree-sra.c (decide_block_copy): Likewise.
8147         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
8148         for a constant-sized object, set cleared as well.  Pass true as
8149         second argument to count_type_elements call.
8151 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8153         PR target/21571
8154         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
8155         from legitimate_small_data_p, and make global.  Update use.
8156         Remove forward declaration.
8157         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
8158         Declare.
8159         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
8161 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
8163         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
8164         of scratch intermediates.
8165         (eq<mode>_compare): Same.
8166         (neg_eq0<mode>): New.
8167         (neg_eq<mode>): Convert to define_insn_and_split.
8169 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8171         PR target/23070
8172         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
8173         stdarg functions, set/clear the fp marker even when no variable
8174         args are passed.
8175         * config/rs6000/sysv4.opt (mprototype): Describe.
8177 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
8179         PR rtl-optimization/23478
8180         * regs.h (reg_info): Add throw_calls_crossed.
8181         (REG_N_THROWING_CALLS_CROSSED): Define.
8182         * flow.c (allocate_reg_life_data): Initialize
8183         REG_N_THROWING_CALLS_CROSSED.
8184         (propagate_one_insn, attempt_auto_inc): Update
8185         REG_N_THROWING_CALLS_CROSSED.
8186         * global.c (global_alloc): Don't allocate pseudos across
8187         calls that may throw.
8189 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
8191         PR c/18715
8192         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
8193         value is inbetween the range if we did not find an exact match.
8195 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
8197         * doc/invoke.texi (Option Summary): Add ms1 options.
8198         * doc/extend.texi: Document interrupt handler attribute for ms1.
8199         * doc/md.texi: Document ms1 constraints.
8200         * config.gcc: Add ms1-*-elf.
8201         * config/ms1/ms1.h: New.
8202         * config/ms1/ms1.c: New.
8203         * config/ms1/ms1.md: New.
8204         * config/ms1/ms1-protos.h: New.
8205         * config/ms1/ABI.txt: New.
8206         * config/ms1/crti.asm: New.
8207         * config/ms1/crtn.asm: New.
8208         * config/ms1/lib2extra-funcs.c: New.
8209         * config/ms1/t-ms1: New.
8210         * config/ms1/ms1.opt: New.
8212 2005-08-22 Ira Rosen <irar@il.ibm.com>
8214         * config/rs6000/altivec.md (xorv4sf3): New.
8215         (negv4sf2, neg<mode>2): Likewise.
8217 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
8219         PR target/23485
8220         * config/ia64/ia64.md (divsi3): Check divide by zero.
8221         (udivsi3): Likewise.
8222         (divdi3): Likewise.
8223         (udivdi3): Likewise.
8225 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
8227         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
8228         up to elem_bitsize bits, not max_bitsize.
8230 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8232         PR tree-optimization/23433
8233         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
8234         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
8236 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8238         PR tree-optimization/23434
8239         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
8240         the iteration bound is not an INTEGER_CST.
8242 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
8244         * tree-vect-transform.c (get_initial_def_for_reduction): Set
8245         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
8246         NULL if need_epilog_adjust is false.
8247         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
8248         Case 3 always peels first itration, not just for PLUS case, and no need
8249         to use scalar_initial_def here. Create an epilog adjustment only if
8250         scalar_initial_def is not NULL.
8252         (vectorizable_reduction): Remove assert.
8254 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
8256         PR target/23485
8257         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
8258         (__moddi3): Likewise.
8259         (__udivdi3): Likewise.
8260         (__umoddi3): Likewise.
8261         (__divsi3): Likewise.
8262         (__modsi3): Likewise.
8263         (__udivsi3): Likewise.
8264         (__umodsi3): Likewise.
8266 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
8268         * tree-pass.h (TDF_GRAPH): Define.
8269         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
8270         * passes.c (finish_optimization_passes): Only call
8271         finish_graph_dump_file if TDF_GRAPH is set.
8272         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
8273         NULL.  Set TDF_GRAPH bit.
8274         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
8276 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
8278         * arm.h (arm_stack_offsets): Add locals_base field.
8279         * arm.c (arm_get_frame_offsets): Compute it.
8280         (thumb_compute_initial_elimination offset): Make the Thumb frame
8281         pointer point to the base of the local variables.
8282         (thumb_expand_prologue): Update accordingly.
8283         (thumb_expand_epilogue): Likewise.
8285         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
8286         mode of clobbered scratch to DImode.  Handle a case that's known to
8287         need this.
8289 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
8291         * config/rs6000/rs6000.md (gt0<mode>): Delete.
8292         (gt0<mode>_compare): Delete.
8293         (neg_gt0<mode>): Delete.
8295 2005-08-19  Eric Christopher  <echristo@apple.com>
8297         * optabs.h: Change CTI_ to COI_.
8298         * optabs.c: Ditto.
8300 2005-08-19  James E Wilson  <wilson@specifix.com>
8302         * builtins.c (expand_builtin_return_addr): Set
8303         current_function_accesses_prior_frames when count != 0.  Use
8304         frame_pointer_rtx when count == 0.
8305         * function.h (struct function): Add accesses_prior_frames field.
8306         (current_function_accesses_prior_frames): Define.
8307         * reload1.c (init_elim_table): Check
8308         current_function_accesses_prior_frames.
8309         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8311 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8313         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8314         indicator.  Return true if the flowgraph changed during
8315         cleanup.
8317 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8319         PR 23476
8320         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8321         conditional expression before testing its value.
8323 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8325         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8327 2005-08-19  Devang Patel  <dpatel@apple.com>
8329         PR tree-optimization/23048
8330         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8331         third parameter. Check whether latch is dominated by exit
8332         block or not.
8333         (if_convertible_loop_p): Supply exit block itself to
8334         if_convertible_bb_p.
8336 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8338         PR target/23473
8339         * arm.md (arm_load_pic_register): Change argument to the mask of
8340         saved registers.  Call thumb_find_work_register if we need a
8341         scratch register on Thumb.
8342         (arm_expand_prologue): Pass empty register set to
8343         arm_load_pic_register.
8344         (thumb_expand_prologue): Pass live_regs_mask directly to
8345         arm_load_pic_register.
8346         * arm-protos.h (arm_load_pic_register): Update prototype.
8348 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
8350         * sh.c (find_sole_member): New function.
8351         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8352         if the record's alignment is larger than the size of its only member.
8354 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8356         PR target/23436
8357         * arm.c (thumb_legitimize_reload_address): New function.
8358         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8359         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8361 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
8363         * config/crx/crx.c: Implement crx_decompose_address. Reject
8364         symbolic displacements since CRX register relative adressing
8365         mode can't handle unsigned 32-bit values as displacements.
8366         * config/crx/crx.h: Simplify definitions, remove redundant
8367         parenthesis and obsolete macros.
8368         * config/crx/crx.opt: Add new switch for debugging addresses.
8369         * config/crx/crx-protos.h: Add new declarations for above.
8371 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
8373         PR middle-end/20624
8374         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8375         looking past it.
8377 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8379         * collect2.c (dup2): Delete.
8380         * configure.ac: Don't check for dup2.
8382         * config.in, configure: Regenerate.
8384 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
8386         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8387         record with the type of its only member.
8389 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
8391         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8392         define_insn_and_split.
8393         (plus_ltu<mode>_compare): Same.
8394         (gtu<mode>_compare): Same.
8395         (plus_gtu<mode>_compare): Same.
8397 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
8399         PR tree-optimization/22228
8400         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8401         todo_flags_start.
8402         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8403         are recorded in vect_vnames_to_rename for renaming.
8404         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8405         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8406         in vect_vnames_to_rename.
8407         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8408         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8410 2005-08-18  Jan Hubicka  <jh@suse.cz>
8412         PR c++/22034
8413         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8414         info only for local statics, not for member variables.
8416 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8418         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8420 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8422         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8424 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
8426         PR middle-end/16045
8427         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8429 2005-08-17  James E Wilson  <wilson@specifix.com>
8431         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8432         array size check.
8434 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
8436         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8437         (leu<mode>_compare): Same.
8438         (plus_leu<mode>): Same.
8439         (neg_leu<mode>): Same.
8440         (and_neg_leu<mode): Same.
8441         (ltu<mode>_compare): Same.
8442         (plus_ltu<mode>): Same.
8443         (geu<mode>): Same.
8444         (geu<mode>_compare): Same.
8445         (plus_geu<mode>): Same.
8446         (neg_geu<mode>): Same.
8447         (and_neg_geu<mode>): Same.
8448         (plus_gt<mode>): Same.
8449         (gtu<mode>_compare): Same.
8450         (plus_gtu<mode>): Same.
8452 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
8454         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8455         Move call_table_data to end.  Delete spurious .text.
8456         (callt_save_all_interrupt): Fix comment typo.
8458 2005-08-17  James E Wilson  <wilson@specifix.com>
8459             Kevin Winchester  <winchester@amirix.com>
8461         PR target/21684
8462         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8464 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
8466         PR target/23268
8467         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8468         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8470 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
8472         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8473         record with the type of its only member if the modes don't match.
8475         * varasm.c (decode_reg_name): Skip empty additional register names.
8477 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
8479         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8480         lsm_tmp_name_length): New.
8481         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8482         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8484 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8485             Andreas Krebbel  <krebbel1@de.ibm.com>
8487         * config.gcc: Added z9-109 switch.
8488         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8489         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8490         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8491         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8492         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8493         for "z9_109" cpu attribute.
8494         * config/s390/s390.c (z9_109_cost): New processor cost structure.
8495         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8496         (s390_handle_arch_option): Added z9-109 switch.
8497         (override_options): Set respective cost function for z9-109.
8498         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8499         (legitimate_reload_constant_p): Accept extended immediates.
8500         (print_operand): Three new output modifiers added: k, m and o.
8501         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8502         (s390_output_mi_thunk): Use extended immediate when possible.
8503         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8504         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8505         (CONSTRAINT_LEN): Added length of O constraint.
8506         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8507         * config/s390/s390.md ("cpu"): New value z9_109 added.
8508         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8509         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8510         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8511         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8512         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8513         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8514         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8515         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8516         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8517         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8518         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8519         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8520         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8521         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8522         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8523         immediates.
8524         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8525         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8526         insns for TARGET_EXTIMM.
8528 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8530         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8532 2005-08-17  Nick Clifton  <nickc@redhat.com>
8534         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8535         Call default_encode_section_info.
8537 2005-08-17  Steven Bosscher  <stevenb@suse.de>
8539         PR tree-optimization/21574
8540         * tree-ssa-ccp.c (likely_value): If the right hand side is a
8541         constant, return CONSTANT.
8542         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8543         (ccp_fold, visit_assignment): Likewise.
8544         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8546 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8548         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8549         fold_buildN instead of buildN then fold_initializer or fold.
8550         (build_unary_op): Likewise.
8551         (build_binary_op): Likewise.
8552         * fold-const.c (fold_initializer): Remove.
8553         (fold_build1_initializer): New function.
8554         (fold_build2_initializer): New function.
8555         (fold_build3_initializer): New function.
8556         * tree.h (fold_initializer): Remove.
8557         (fold_build1_initializer): New function.
8558         (fold_build2_initializer): New function.
8559         (fold_build3_initializer): New function.
8561 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8563         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8564         (try_move_mult_to_index): Call fold_build2 instead of build2.
8565         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8566         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8567         fold_binary_to_constant.
8568         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8569         fold (build.
8570         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8571         check if A == gcd (A, B).  Remove TYPE argument.
8572         (analyze_offset) Use fold_build2 instead of fold (build.
8573         (create_data_ref): Likewise.
8574         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8575         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8576         then fold.
8578 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8580         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8581         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8583 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8585         PR tree-opt/23402
8586         * gimplify.c (zero_sized_type): New function.
8587         (gimplify_modify_expr_rhs): If we have a zero sized type,
8588         replace the statement with an empty statement.
8590 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8592         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8593         fxsave.
8595 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8597         * doc/tm.texi (Label Output): Correct typo.
8599 2005-08-16  Steven Bosscher  <stevenb@suse.de>
8601         PR target/23376
8602         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8603         force_operand will work later on using have_insn_for.
8605 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8607         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8609 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8611         PR c++/23337
8612         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8613         vector type, don't try to construct it element by element.  Add an
8614         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8616 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8618         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8620 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
8622         * doc/invoke.texi (Precompiled Headers): Document some more options
8623         which are known to be safe.
8625 2005-08-16  James E Wilson  <wilson@specifix.com>
8627         PR tree-optimization/21105
8628         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8629         TREE_OVERFLOW check.
8631 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
8633         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8634         (neg_ltu<mode>): Same.
8635         (gtu<mode>): Same.
8636         (neg_gtu<mode>): Same.
8638 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8640         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8641         (fold_builtin_isdigit): Use fold_buildN.
8642         (build_function_call_expr): Likewise.
8643         * c-typeck.c (c_finish_loop): Likewise.
8645 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8646             Richard Shann <rshann@superh.com>
8648         PR middle-end/20396:
8649         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8651 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8653         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8655 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8657         PR target/23355
8658         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8659         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8660         must be saved.
8662 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8664         PR middle-end/23369
8665         * fold-const.c (build_range_check): Disable optimization for function
8666         pointer expressions on targets that require function pointer
8667         canonicalization.
8669 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8671         * simplify-rtx.c (simplify_const_relational_operation): When
8672         extracting arguments of a COMPARE, recompute the mode as well.
8674 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8676         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8678 2005-08-15  DJ Delorie  <dj@redhat.com>
8680         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8681         the stack.
8682         (movsi_splittable): Allow, but split, moves to the stack.
8683         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8684         stack.
8686 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8688         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8689         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8690         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8692         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8693         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8694         Delete HOST_PTR_PRINTF.
8696         * configure, config.in: Regenerate.
8698 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8700         * config/rs6000/rs6000.md (QHSI): New mode macro.
8701         (wd): Extend mode attr for QImode and HImode
8702         (dbits): New mode attr.
8703         (zero_extend<mode>di2): Convert to mode macro.
8705 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8707         PR target/21841
8708         * doc/invoke.texi (-mgnu-ld): Update description.
8709         (-mhp-ld): Ditto.
8711 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8713         PR 23391
8714         * Makefile.in (tree-chrec.o): Depends on real.h.
8715         * tree-chrec.c: Include real.h.
8716         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8717         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8718         * tree-scalar-evolution.c (add_to_evolution_1,
8719         interpret_rhs_modify_expr): Ditto.
8721 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8723         PR 23386
8724         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8725         step is negative compute the estimation from init downwards to zero.
8727 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8729         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8731 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8733         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8734         constraint.
8735         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8736         Accept double-word constants that can be split.
8737         * config/s390/s390.md ("movti"): Use 'P' constraint.
8738         ("*movdi_31", "*movdf_31"): Likewise.
8740 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8742         Fix PR tree-optimization/22615
8744         * tree-ssa-structalias.c (solution_set_add): Handle
8745         first_vi_for_offset returning NULL.
8746         (do_da_constraint): Ditto.
8747         (do_sd_constraint): Ditto.
8748         (do_ds_constraint): Ditto
8749         (find_func_aliases): Ditto.
8750         (build_constraint_graph): RHS is allowed be ANYTHING.
8751         (first_vi_for_offset): Return NULL if we couldn't find anything at
8752         the offset.
8754 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8756         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8757         over memory as first operand.
8759 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8761         PR target/23360
8762         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8763         available for setting it.
8765 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8767         PR tree-optimization/23320
8768         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8769         data-refs' types instead of base object nullness. Add check for
8770         pointer type data-refs before first location comparison. Remove
8771         assert.
8773 2005-08-14  Andreas Schwab  <schwab@suse.de>
8775         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8777 2005-08-13  James E Wilson  <wilson@specifix.com>
8779         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8780         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8781         -fstack-protector-all, --param ssp-buffer-size): Document.
8782         (-Wvariadic-macros): Alphabetize.
8783         (-fsched-stalled-insns-dep): Add missing 'f'.
8785         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8786         macros.
8788 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8790         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8791         or indirect address operand.
8792         (EXTRA_ADDRESS_CONSTRAINT): New.
8793         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8795 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8797         PR tree-optimization/22236
8798         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8799         successors and predecessors.
8800         * tree-chrec.c (chrec_convert): Before converting, check that
8801         sequences don't wrap.
8802         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8803         (analyze_array): Extern.
8804         (find_data_references_in_loop): Remove call to
8805         compute_estimated_nb_iterations.
8806         * tree-data-ref.h (analyze_array): Declared.
8807         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8808         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8809         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8810         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8811         condition.
8812         * tree-ssa-loop-ivcanon.c: Fix documentation.
8813         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8814         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8815         (infer_loop_bounds_from_undefined): New.
8816         (estimate_numbers_of_iterations_loop): Use
8817         infer_loop_bounds_from_undefined.
8818         (used_in_pointer_arithmetic_p): New.
8819         (scev_probably_wraps_p): Pass an extra parameter.  Call
8820         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8821         (convert_step): Fix documentation.
8822         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8823         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8824         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8825         scev_probably_wraps_p.
8827 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8829         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8830         (s390_register_info): Ignore clobbered_regs information for fixed
8831         registers, and only fixed registers.
8832         (s390_init_frame_layout): Remove redundant call.
8834 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8836         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8837         description of -Wold-style-casts.
8839 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8840             Jakub Jelinek  <jakub@redhat.com>
8842         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8843         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8844         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8845         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8846         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8847         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8848         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8849         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8850         ("stack_protect_set", "stack_protect_test"): New expanders.
8851         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8852         "stack_protect_testdi"): New insn definitions.
8854 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8856         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8858 2005-08-12  Paul Brook  <paul@codesourcery.com>
8860         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8862 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8864         * config/s390/predicates.md (setmem_operand): New predicate.
8865         (shift_count_operand): Accept ANDs with special constants as
8866         operand.
8867         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8868         with special constants.
8869         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8870         shift_count_operand with setmem_operand.
8872 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8874         * config/s390/s390.c (s390_extract_part, s390_single_part):
8875         Type cast added.
8876         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8877         (s390_output_mi_thunk): Don't use lg on 31 bit.
8878         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8879         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8881 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8883         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8884         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8885         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8886         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8887         with one of the new macros.
8889 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8891         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8892         Don't set save_return_addr_p.
8893         (s390_register_info): Make clobbered_regs not depending on
8894         save_return_addr_p.
8896 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8898         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8899         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8901 2005-08-11  James E. Wilson  <wilson@specifix.com>
8903         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8905 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8907         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8908         locations gathered by var-tracking in single entry loc_list
8909         over loc_descriptor_from_tree.
8911         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8912         pass it down to loc_descriptor.
8913         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8914         (containing_function_has_frame_base): Move earlier in the file.
8915         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8916         instead of always assuming fbreg can't be used.
8918 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8920         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8921         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8922         Accept address wrapped in AND for Altivec.
8923         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8924         Strip AND wrapping offset address for Altivec.
8926 2005-08-11  Richard Henderson  <rth@redhat.com>
8928         PR middle-end/23312
8929         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8930         before using TYPE_IS_SIZETYPE.
8932 2005-08-11  Richard Henderson  <rth@redhat.com>
8934         PR target/22225
8935         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8936         insn types not present on ev4.
8937         (alphaev5_insn_pipe): Similarly.
8939 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8941         PR target/23250
8942         * arm.c (arm_override_options): If the user has selected callee-super-
8943         interworking, then enable normal interworking.
8945 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8947         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8948         redefinition.
8950 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8952         * doc/rtl.texi: Fix two typos.
8954 2005-08-11  Richard Guenther  <rguenther@suse.de>
8956         PR target/23289
8957         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8958         cases where we call to/from functions returning void.
8960 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8962         PR c++/23225
8963         * tree.c (build_pointer_type_for_mode): Robustify.
8965 2005-08-10  James E Wilson  <wilson@specifix.com>
8967         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8968         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8970         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8971         "cum->".
8973 2005-08-10  Eric Christopher  <echristo@apple.com>
8975         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8976         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8977         V2DFmode.
8979 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8981         PR target/21887
8982         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8983         for the high part when generating dynamic-no-pic code.
8985 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8987         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8988         (x86_64-*-linux*): Likewise.
8990         * config/i386/crtfastmath.c: New file.
8991         * config/i386/t-crtfm: Likewise.
8993         * config/i386/linux.h (ENDFILE_SPEC): New.
8994         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8996         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8997         crtfastmath.o.
8999 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
9001         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
9002         (vec_shl, vec_shr): Document new operations.
9003         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
9005 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
9007         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
9008         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
9009         change predicate to indexed_or_indirect_address.
9011 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
9013         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
9014         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
9015         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
9016         and __aeabi_uwrite8.
9017         * config/arm/unaligned-funcs.c: New file.
9018         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
9020 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
9022         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
9023         Add dump.
9024         * cfglayout.c (pass_insn_locators_initialize): Add dump.
9025         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
9026         Add dump.
9027         * except.c (pass_convert_to_eh_region_ranges): Add dump.
9028         * final.c (pass_shorten_branches): Add dump.
9029         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
9030         (pass_life): Rename dump.
9031         (rest_of_handle_flow2): Remove initial verify_flow_info.
9032         * function.c (pass_instantiate_virtual_regs): Add dump.
9033         * integrate.c (pass_initial_value_sets): Add dump.
9034         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
9035         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
9036         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
9037         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
9038         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
9039         gate_rtl_unrool_and_peel_loops): New.
9040         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
9041         rtl_doloop): Do not look at flags.
9042         * mode-switching.c (pass_mode_switching): Add dump.
9043         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
9044         pass_split_before_regstack): Add dump.
9045         * regmove.c (pass_stack_adjustments): Add dump.
9046         * tree-optimize.c (pass_fixup_cfg): Add dump.
9048 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9050         PR 23309
9051         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
9052         deciding which instruction sequence to use.
9054 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
9056         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
9057         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
9059 2005-08-09  Richard Guenther  <rguenther@suse.de>
9061         * c-common.c (builtin_function_2): Remove.
9062         (def_builtin_1): New function.
9063         (c_common_nodes_and_builtins): Use def_builtin_1 to
9064         build builtin functions.
9066 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
9068         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
9069         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9070         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
9071         Visual DSP.
9073 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9075         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
9076         fold_binary instead of fold_build2 since we don't care about the
9077         resulting tree.
9078         (loop_niter_by_eval): Likewise.
9079         (compare_trees): Likewise.
9080         (proved_non_wrapping_p): Likewise.
9082 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9084         PR c/23161
9085         PR c/23165
9086         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
9087         if the if is really empty.
9089 2005-08-09  Steven Bosscher  <stevenb@suse.de>
9091         PR tree-optimization/23234
9092         * tree-ssa-math-opts.c (place_reciprocal): New enum.
9093         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
9094         argument of the new enum.
9095         (execute_cse_reciprocals): Add reciprocals for function arguments
9096         on the unique successor edge of the entry block.  Update other calls
9097         to execute_cse_reciprocals_1.
9099 2005-08-08  Richard Henderson  <rth@redhat.com>
9101         PR 22439
9102         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
9104 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
9106         * expr.c (write_complex_part): Return after handling MEM.
9108 2005-08-08  Josh Conner  <jconner@apple.com>
9110         PR rtl-optimization/23241
9111         * combine.c (simplify_comparison): Fix error in determining
9112         whether to lift a subreg from comparison.
9114 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
9116         PR target/18506
9117         * config/rs6000/altivec.md (vec_init<mode>): New.
9118         (vec_set<mode>): New.
9119         (vec_extract<mode>): New.
9120         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
9121         (rs6000_expand_vector_set): New.
9122         (rs6000_expand_vector_extract): New.
9123         (rs6000_legitimate_offset_address_p): Offset addresses are valid
9124         for Altivec modes before reload.
9125         (altivec_expand_vec_init_builtin): New.
9126         (get_element_number): New.
9127         (altivec_expand_vec_set_builtin): New.
9128         (altivec_expand_vec_ext_builtin): New.
9129         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
9130         builtins.
9131         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
9132         builtins.
9133         * config/rs6000/rs6000.h (rs6000_builtins): Add
9134         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
9135         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
9136         * config/rs6000/rs6000-protos.h: Declare new functions.
9138 2005-08-08  Jan Hubicka  <jh@suse.cz>
9140         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
9141         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
9142         * i386.md (movdi*): Use pic_32bit_operand.
9143         * predicates.md (pic_32bit_operand): New.
9145 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
9147         PR c++/21166
9148         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
9150 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
9152         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
9153         (test_for_singularity): Use fold_build2.
9155 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9157         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
9159 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
9161         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9162         (COMMON_ASM_OP) Define.
9163         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
9164         (ix86_encode_section_info): Likewise.
9165         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
9166         SUBTARGET_ENCODE_SECTION_INFO.
9168 2005-08-06  Richard Henderson  <rth@redhat.com>
9170         PR 21894
9171         * tree-nested.c (convert_local_reference): Save and restore val_only
9172         around component_ref and friends.  Clear walk_subtrees by default.
9174 2005-08-06  Peter O'Gorman  <peter@pogma.com>
9176         PR 21366
9177         * gcc.c (process_command): Check the argument to -b has a dash.
9178         * doc/invoke.texi: Update -b and -V docs.
9180 2005-08-06  James E Wilson  <wilson@specifix.com>
9182         * config/mips/cross64.h, config/mips/t-cross64: Delete.
9184 2005-08-06  Michael Matz  <matz@suse.de>
9186         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
9187         member only if only one insn is associated with the value.
9189 2005-08-06  Nick Clifton  <nickc@redhat.com>
9191         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
9192         New define.
9193         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
9194         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
9195         Check symbol flags instead of symbol name mangling.
9196         (xstormy16_asm_output_aligned_common): Likewise.  Also
9197         simplify code since the bss100_section cass is the only case
9198         where the below100 code will be triggered.
9199         (xstormy16_encode_section_info): Encode below100 attribute
9200         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
9201         the name.
9202         (xstormy16_strip_name_encoding): Delete - this function is no
9203         longer needed.
9204         (TARGET_STRIP_NAME_ENCODING): Undefine.
9205         * config/stormy16/stormy16-protos.h: Delete prototype for
9206         xstormy16_strip_name_encoding.
9208 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
9210         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
9211         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
9212         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
9213         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
9214         config/alpha/predicates.md, config/arc/arc.h,
9215         config/arm/arm.h, config/arm/ieee754-df.S,
9216         config/arm/ieee754-sf.S, config/bfin/bfin.c,
9217         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
9218         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
9219         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
9220         config/m68hc11/m68hc11.h, config/mips/mips.c,
9221         config/mips/mips.h, config/mips/openbsd.h,
9222         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
9223         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
9224         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
9225         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
9226         config/sparc/linux.h, config/sparc/linux64.h,
9227         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
9228         doc/extend.texi, doc/gcov.texi, doc/install.texi,
9229         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
9230         typos.  Follow spelling conventions.
9232 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
9234         PR c/23113
9235         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
9236         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
9237         specially.  Check for side effects only for COND_EXPR.
9238         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
9239         return with TREE_NO_WARNING.
9241 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
9243         PR rtl-optimization/23233
9244         * loop.c (combine_movables): Require the modes to be the same.
9245         (move_movables): Remove handling of cases where the replacement
9246         had a different mode to the original.
9248 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
9250         PR tree-optimization/23128
9251         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
9252         subtraction wrap, and set TREE_OVERFLOW if they do.
9254 2005-08-05  Richard Henderson  <rth@redhat.com>
9256         PR 21728
9257         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
9258         FORCED_LABEL labels.
9260 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
9262         PR middle-end/23135
9263         * reload.c (find_reloads_subreg_address): Pass down TYPE
9264         unchanged.  Change all callers except find_reloads_toplev.
9266 2005-08-05  Michael Matz  <matz@suse.de>
9268         * genattrtab.c (current_alternative_string): Remove.
9269         (SIMPLIFY_ALTERNATIVE): Ditto.
9270         (attr_alt_bit_p): Ditto.
9271         (alternative_name): Make const char *.
9272         (evaluate_eq_attr): Remove use of above things.
9273         (simplify_test_exp): Ditto.
9274         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
9275         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
9277 2005-08-04  James E Wilson  <wilson@specifix.com>
9279         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
9280         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
9281         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
9282         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
9283         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
9285 2005-08-04  Richard Henderson  <rth@redhat.com>
9287         PR 21529
9288         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9289         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
9290         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
9291         if we'd have to instantiate too many members.
9293 2005-08-04  Richard Henderson  <rth@redhat.com>
9295         PR 21291
9296         * tree-outof-ssa.c (coalesce_asm_operands): New.
9297         (coalesce_ssa_name): Use it.  Split out ...
9298         (coalesce_phi_operands, coalesce_result_decls): ... these.
9300 2005-08-04  Paul Brook  <paul@codesourcery.com>
9302         * read-rtl.c (read_quoted_string): Break if EOF.
9304 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
9306         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9307         (fold_build2): Likewise.
9308         (fold_build3): Likewise.
9309         (fold_build1_stat): New function prototype.
9310         (fold_build2_stat): Likewise.
9311         (fold_build3_stat): Likewise.
9312         * fold-const.c (fold_build1): Rename to ..
9313         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9314         through to build1_stat.
9315         (fold_build2): Rename to ..
9316         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9317         through to build2_stat.
9318         (fold_build3): Rename to ..
9319         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9320         through to build3_stat.
9322 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
9323             Ian Lance Taylor  <ian@airs.com>
9325         * function.c (assign_stack_local_1): Do not correct stack slot
9326         address if allocation size is smaller than mode size.
9328 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
9330         PR 22037
9331         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9332         (tree_merge_blocks): Propagate anything allowed by
9333         may_propagate_copy.
9334         Clarify documentation.
9335         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9336         SSA form, schedule an update if necessary.
9338 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
9340         * doc/install.texi (Binaries): Remove broken link to
9341         Sinix/Reliant Unix binaries.
9343 2005-08-03  Richard Henderson  <rth@redhat.com>
9345         PR 23221
9346         * function.c (stack_protect_epilogue): Export.
9347         * tree.h (stack_protect_epilogue): Declare.
9348         * calls.c (expand_call): Call it.
9350 2005-08-03  Eric Christopher  <echristo@apple.com>
9352         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9353         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9354         spec.
9356 2005-08-04  Jan Hubicka  <jh@suse.cz>
9358         * profile.c (branch_prob): Split edges with goto locus on them
9359         to get proper line counts.
9360         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9362 2005-08-03  Paul Brook  <paul@codesourcery.com>
9364         * function.c (assign_parms): Round current_function_args_size
9365         to PARM_BOUNDARY, not STACK_BOUNDARY.
9367 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
9369         * config/i386/i386.c (x86_elf_aligned_common)
9370         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9372 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
9374         PR tree-optimization/23157
9375         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9376         before emitting them.
9378 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9380         PR tree-optimization/19899
9381         * Makefile.in (tree-scalar-evolution.o): Add real.h.
9382         * tree-scalar-evolution.c: Include real.h.
9383         (add_to_evolution): Build constant -1 of correct type.
9385 2005-08-03  Jan Hubicka  <jh@suse.cz>
9387         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9388         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9389         profile updating for complette unrolling.
9390         * loop-unroll.c (peel_loop_completely): Use it.
9391         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9392         (tree_unroll_loops_completely): Disable code growing unrolling of cold
9393         loops.
9395 2005-08-03  Paul Brook  <paul@codesourcery.com>
9397         * combine.c (can_change_dest_mode): New function.
9398         (try_combine, simplify_set): Use it.
9400 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
9402         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9403         TFmode to BLKmode.
9405 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
9407         * doc/install.texi (Specific): Adjust link to openavr.org.
9408         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9409         (Binaries): Adjust HP-UX Porting Center link.
9410         (Binaries): Adjust Free Software Foundation ordering link.
9412 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
9414         * convert.c (convert_to_integer): Use fold_build1 instead of
9415         build1 when converting an integer to an integer.
9417 2005-08-02  Richard Henderson  <rth@redhat.com>
9419         * combine.c (combine_instructions): Don't use reg_equal/equiv
9420         results if the mode doesn't match.
9422 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
9424         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9425         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9427 2005-08-02  Richard Henderson  <rth@redhat.com>
9429         PR 23196
9430         * explow.c (memory_address): Remove special-case for
9431         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9433 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
9435         PR 23164
9436         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9437         number of calls to cleanup_tree_cfg_1.
9439 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
9441         * doc/invoke.texi: document file extensions .F90 and .F95
9443 2005-08-02  Richard Guenther  <rguenther@suse.de>
9445         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9446         positive if its first argument is positive.
9448 2005-08-02  Richard Guenther  <rguenther@suse.de>
9450         PR tree-optimization/23177
9451         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9452         on TMR_TAG.
9454 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
9456         PR tree-optimization/23129
9457         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9458         varying for divisions with anti-ranges.
9460 2005-08-02  Jan Hubicka  <jh@suse.cz>
9462         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9463         * tree-ssa-threadupdate.c (thread_block): Add it here.
9465 2005-08-01  James E Wilson  <wilson@specifix.com>
9467         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9468         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9469         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9470         New.
9471         * config/mips/predicates.md (const_call_insn_operand): Add check for
9472         SYMBOL_REF_LONG_CALL_P.
9473         * doc/extend.texi (long_call): Document the new attribute.
9475 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9476             Richard Henderson  <rth@redhat.com>
9478         * Makefile.in (RTL_BASE_H): Add real.h.
9479         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9480         instead of memcpy.
9481         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9482         directly.
9483         * rtl.c (rtl_check_failed_code_mode): New.
9484         * rtl.h (struct rtx_def): Add u.rv.
9485         (XCMWINT, XCNMPRV): New.
9486         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9487         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9489 2005-08-01  Richard Henderson  <rth@redhat.com>
9491         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9492         with auto-inc codes.
9494         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9496 2005-08-01  Jan Hubicka  <jh@suse.cz>
9498         * i386-protos.h (asm_preferred_eh_data_format): Declare.
9499         * i386.c: Include dwarf2.h
9500         (asm_preferred_eh_data_format): New.
9501         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9503 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9505         * config/host-linux.c (linux_gt_pch_get_address): Add new name
9506         randomize_va_space for virtual address randomization control.
9508 2005-08-01  Steven Bosscher  <stevenb@suse.de>
9510         * common.opt (flag_ipa_cp): Put in right place to maintain
9511         alphabetic sort.
9513 2005-08-01  Jan Hubicka  <jh@suse.cz>
9515         * profile.c (compute_value_histograms): Fix thinko.
9516         * value-prof.c: Include toplev.h
9517         (check_counter): New function.
9518         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9519         tree_mod_subtract_transform): Add sanity check.
9521 2005-08-01  Richard Guenther  <rguenther@suse.de>
9523         PR tree-optimization/23133
9524         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9525         current functions parameter decls to find defs to cse
9526         reciprocals of.
9528 2005-08-01  Richard Guenther  <rguenther@suse.de>
9530         PR tree-optimization/23109
9531         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9532         If trapping math is in effect, use post-dominator information
9533         to check if we'd in any case reach a trapping point before
9534         doing the reciprocal insertion.
9535         (execute_cse_reciprocals): Compute post-dominators, if necessary.
9536         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9537         expressions are invariant only if trapping math is not in effect.
9539 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9541         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9542         cgraph_function_versioning): New declarations.
9543         * cgraphunit.c: Add include to ipa-prop.h.
9544         (update_call_expr, cgraph_copy_node_for_versioning,
9545         cgraph_function_versioning): New functions.
9546         * integrate.c (copy_decl_for_inlining): Remove.
9547         * ipa-prop.h (ipa_replace_map): New struct.
9548         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9549         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9550         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9551         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9552         ipcp_iterate_stage, ipcp_method_scale_print,
9553         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9554         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9555         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9556         ipcp_update_bb_counts, ipcp_update_profiling,
9557         ipcp_update_edges_counts): New functions.
9558         (ipcp_method_cval_init): Remove restriction regarding local methods.
9559         (ipcp_init_stage): Add ipcp_method_compute_scale.
9560         (ipcp_insert_stage): Add versioning.
9561         (ipcp_structures_print): Add ipcp_method_scale_print.
9562         (ipcp_driver): Dump profiling info.
9563         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9564         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9565         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9566         (struct inline_data): Add versioning_p, ipa_info, new fields.
9567         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9568         declare_return_variable): Replace calls to copy_decl_for_inlining with
9569         copy_decl_for_dup.
9570         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9571         versioning support.
9572         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9573         Add argument VERSIONING.
9574         (copy_arguments_for_versioning, copy_static_chain,
9575         function_versionable_p, tree_versionable_function_p,
9576         tree_function_versioning, replace_ref_tree): New functions.
9577         * tree-inline.h: Include varray.h.
9578         (tree_versionable_function_p,  tree_function_versioning,
9579         tree copy_decl_for_dup): New declarations.
9581 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9583         * ipa-cp.c: New file. Contains IPCP specific functionality.
9584         * ipa-prop.h: New file. Contains structures/definitions that can be
9585         used by several interprocedural data flow optimizations (and also IPCP).
9586         * ipa-prop.c: New file.
9587         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9588         * common.opt: Add ipa-cp flag.
9589         * timevar.def: Add IPCP optimization.
9590         * tree-optimize.c (init_tree_optimization_passes): Schedule
9591         pass_ipa_cp.
9592         * tree-pass.h (pass_ipa_cp): Declare.
9594 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9596         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9597         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9598         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9599         config/i386/i386.c, config/mips/mips.h,
9600         config/rs6000/rs6000.h, config/sh/sh.c,
9601         config/stormy16/stormy16.c: Fix comment typos.
9603 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9605         PR c/22311
9606         * c-typeck.c (build_binary_op): Use common_type wrapper on
9607         shortened types.
9608         (common_type): Update comment.
9610 2005-07-31  Steven Bosscher  <stevenb@suse.de>
9612         PR target/23095
9613         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9614         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9615         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9617 2005-07-31  Jan Hubicka  <jh@suse.cz>
9619         * pretty-print.h (pp_widest_integer): New macro.
9620         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9621         counts.
9623 2005-07-31  Jan Hubicka  <jh@suse.cz>
9625         * output.h (enum section_category): Export from varasm.c
9626         (categorize_decl_for_section): Likewise.
9627         * varasm.c (enum section_category): Kill.
9628         (categorize_decl_for_section): Make global.
9629         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9630         Declare.
9631         * i386.c (ix86_section_threshold): New static variable.
9632         (ix86_in_large_data_p, ix86_encode_section_info,
9633         x86_64_elf_unique_section,
9634         x86_64_elf_select_section): New functions.
9635         (TARGET_ENCODE_SECTION_INFO): Define
9636         (override_options): Enable medium model for PIC.
9637         (ix86_expand_prologue): Expand gen_set_got_rex64.
9638         (legitimate_constant_p): Handle new UNSPECs.
9639         (legitimate_pic_address_disp_p): Likewise.
9640         (legitimize_pic_address): Lower MEDIUM model addressing.
9641         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9642         (enum cmodel): Add MEDIUM_PIC.
9643         (SYMBOL_REF_FAR_ADDR_P): New macro.
9644         (SYMBOL_FLAG_FAR_ADDR): New flag.
9645         * i386.md (movdi): Support medium model.
9646         (set_got_rex64): New pattern.
9647         * i386.opt (mlarge-data-threshold): New flag.
9648         * predicates.md (zext_operand/sext_operand): Deal with medium model.
9649         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9650         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9651         TARGET_ASM_UNIQUE_SECTION): New.
9653         * invoke.texi (-mlarge_data_threshold): Document
9655 2005-07-31  Jan Hubicka  <jh@suse.cz>
9657         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9658         (coalesce_vars): Likewise.
9659         * tree-ssa-live.c (coalesce_cost): New.
9660         (build_tree_conflict_graph): Use coalesce_cost.
9661         * tree-ssa-live.h (coalesce_cost): Declare.
9663 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9665         * arm.md (all peepholes for post-increment operations): Delete.
9666         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9667         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9668         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9669         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9670         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9672 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9674         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9675         non-integral types.
9677 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9679         PR target/22582
9680         * doc/invoke.texi: Document -rdynamic.
9682 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9684         PR c/23143
9685         * c-parser.c (c_parser_parms_list_declarator): Call
9686         mark_forward_parm_decls.
9687         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9688         decls with visibility structure.
9690 2005-07-30  Paul Brook  <paul@codesourcery.com>
9692         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9694 2005-07-30  Paul Brook  <paul@codesourcery.com>
9696         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9697         prototype.
9698         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9699         value for mode.
9700         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9702 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9704         PR c/529
9705         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9706         nested function declarators.
9707         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9708         (grokparms): Call warn_if_shadowing for parameters used within the
9709         parameter list.
9710         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9711         not used within the parameter list.
9712         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9714 2005-07-30  Jan Hubicka  <jh@suse.cz>
9716         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9717         * i386.c (ix86_fixup_binary_operands): Likewise.
9718         (ix86_expand_unary_operator): Likewise.
9719         (ix86_expand_fp_absneg_operator): Likewise.
9720         * optabs.c (expand_vec_cond_expr): Validate dest.
9722 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9724         PR c/21720
9725         * real.c (real_from_string): Also set last bit if there is a
9726         nonzero hex digit beyond GCC's internal precision after ".".
9728 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9730         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9731         define_constants.  Change duplicate values to unassigned numbers.
9732         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9733         (*altivec_vspltsf): New.
9734         (altivec_vperm_v4sf): Delete.
9735         (altivec_vperm_<mode>): Use mode macro V.
9736         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9737         (altivec_predicate_v4sf): Delete.
9738         (altivec_predicate_<mode>): Use mode macro V.
9739         (*altivec_lvesfx): New.
9740         (*altivec_stvesfx): New.
9741         (vec_realign_load_v4sf): Delete.
9742         (vec_realign_load_<mode>): Use mode macro V.
9743         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9744         UNSPECV_SET_VRSAVE.
9746 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9748         PR bootstrap/23131
9749         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9750         string.
9751         * configure: Regenerated.
9753 2005-07-29  Paul Brook  <paul@codesourcery.com>
9755         * doc/install.texi: Add link to GFortran binaries wiki page.
9757 2005-07-29  David Ung  <davidu@mips.com>
9759         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9760         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9761         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9762         * config/mips/mips.md (cpu): Add 5kf name.
9763         (includes): Includes 5k.md.
9764         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9765         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9766         -march flag.
9768 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9770         PR 22550
9771         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9772         (cleanup_tree_cfg): ... here.
9773         Call cleanup_tree_cfg_1 until there are no more cleanups to
9774         do.
9776 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9778         * tree-vrp.c (compare_range_with_value): Return true or false
9779         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9780         EQ_EXPR respectively.
9782 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9784         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9785         Fix comment typos.
9787 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9789         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9790         (tree_ssa_dominator_optimize): Increment it.
9791         (dump_dominator_optimization_stats): Print it.
9793 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9794             Steven Bosscher  <stevenb@suse.de>
9796         PR rtl-optimization/23117
9797         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9798         when head == tail.  Tidy comment.
9800 2005-07-28  Richard Henderson  <rth@redhat.com>
9802         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9803         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9804         * jump.c (rtx_renumbered_equal_p): Likewise.
9805         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9806         CONST_INT and CONST_DOUBLE.
9807         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9808         * reload.c (operands_match_p): Special case CONST_INT and
9809         CONST_DOUBLE; check mode earlier.
9811 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9813         PR c/22240
9814         * c-typeck.c (convert_for_assignment): Do not check
9815         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9817 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9819         PR c/22192
9820         * c-typeck.c (composite_type): Prefer constant size arrays to
9821         VLAs.
9823 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9825         PR c/21720
9826         * real.c (real_from_string): Set last bit if there is a nonzero
9827         hex digit beyond GCC's internal precision.
9829 2005-07-28  Richard Henderson  <rth@redhat.com>
9831         PR rtl-opt/22619
9832         * cfgcleanup.c (try_forward_edges): Watch out for end of
9833         insn chain.
9835 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9837         PR c/23106
9838         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9840 2005-07-28  Jan Hubicka  <jh@suse.cz>
9842         * Makefile.in (rtl-profile.o): Kill all traces of it.
9843         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9844         * coverage.h (rtl_coverage_counter_ref): Kill.
9845         * opts.c (flag_speculative_prefetching_set): Kill.
9846         (flag_loop_optimize_set): New.
9847         (common_handle_option): Disable loop optimizer when profiling;
9848         do not handle speculative prefetching.
9849         * passes.c (init_optimization_passes): Replace pass_profiling combo
9850         by branch_prob pass.
9851         * profile.c (compute_value_histograms): Update for simplified value
9852         profiles.
9853         (rtl_register_profile_hooks): Kill.
9854         (pass_profiling): Kill.
9855         (rest_of_handle_branch_prob): Do not profile.
9856         * toplev.c (process_options): Remove speculative prefetching.
9857         * toplev.h (flag_tree_based_profiling): Kill.
9858         * tree-profile.c (prepare_instrumented_value,
9859         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9860         tree_gen_one_value_profiler, do_tree_profiling): Update for
9861         simplified datastructures.
9862         * value-prof.c: Add comment that speculative prefetching was dropped;
9863         update rest of file for simplified datastructures.
9864         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9865         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9866         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9867         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9868         rtl_mod_subtract, gen_speculative_prefetch,
9869         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9870         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9871         (gate_handle_value_profile_transformations,
9872         rest_of_handle_value_profile_transformations,
9873         pass_value_profile_transformations): Kill.
9874         * value-prof.h (histogram_value_t): Remove IL based unions.
9875         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9876         rtl_profile_hooks): Remove hooks.
9878         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9880         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9881         (cgraph_clone_node): Likewise.
9882         * cgraph.h (cgraph_clone_edge): Update prototype.
9883         (cgraph_clone_node): Likewise.
9884         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9885         cgraph_clone_node.
9886         (lookup_recursive_calls): Consider profile.
9887         (cgraph_decide_recursive_inlining): Fix updating; use new
9888         probability argument; use profile.
9889         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9890         * tree-inline.c (copy_bb): Update clal of clone_edge.
9891         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9893         * invoke.texi (min-inline-recursive-probability): Document.
9895 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9897         * doc/install.texi (Configuration): Update Valgrind homepage.
9899 2005-07-28  Richard Henderson  <rth@redhat.com>
9901         PR middle-end/21362
9902         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9903         labels we want to delete.
9904         (cfg_layout_merge_blocks): Likewise.
9906 2005-07-28  Richard Henderson  <rth@redhat.com>
9908         PR target/17692
9909         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9910         when expanding to nothing.
9912 2005-07-28  Josh Conner  <jconner@apple.com>
9914         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9915         (cgraph_decide_inlining_of_small_functions): Likewise.
9917 2005-07-28  Josh Conner  <jconner@apple.com>
9919         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9920         direction of badness if negative.
9921         (cgraph_default_inline_p): Add reason to parameters, and assign it
9922         a value.
9923         (cgraph_decide_inlining_of_small_functions): New parameter in call
9924         to cgraph_default_inline_p.
9925         (cgraph_decide_inlining_incrementally): Likewise.
9926         * cgraphunit.c (decide_is_function_needed): Likewise.
9927         * cgraph.h (cgraph_default_inline_p): Likewise.
9929 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9931         * builtins.c: Fix comment typo(s).
9932         * genautomata.c: Likewise.
9933         * gimplify.c: Likewise.
9934         * tree-dfa.c: Likewise.
9935         * tree-flow-inline.h: Likewise.
9936         * tree-into-ssa.c: Likewise.
9937         * tree-ssa-alias.c: Likewise.
9938         * tree-ssa-ccp.c: Likewise.
9939         * tree-ssa-copy.c: Likewise.
9940         * tree-ssa-dce.c: Likewise.
9941         * tree-ssa-dom.c: Likewise.
9942         * tree-ssa-operands.c: Likewise.
9943         * tree-tailcall.c: Likewise.
9944         * tree-vectorizer.c: Likewise.
9945         * tree-vrp.c: Likewise.
9946         * tree.c: Likewise.
9948 2005-07-28  Jeff Law  <law@redhat.com>
9950         * tree-vrp.c (test_for_singularity): Extracted from  ...
9951         (simplify_cond_using_ranges): Attempt to simplify a relational
9952         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9954 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9956         PR tree-optimization/22506
9957         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9958         phis whose argument is constant.
9960 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9962         PR rtl-optimization/18992
9963         Back out this patch:
9964           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9965           PR optimization/12142
9966           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9967           uses of the register in the SET_SRC.  Remove unnecessary argument.
9969         Replace it with this:
9970         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9971         if flag_non_call_exceptions is set and the insn may trap, pass
9972         pc_rtx as dest for recursion.
9973         In SET_SRC part of SET case, if dest is already set, pass it down
9974         unchanged.
9976 2005-07-28  Jan Hubicka  <jh@suse.cz>
9978         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9979         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9980         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9981         roundoff errors.
9982         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9983         profile when available.
9985 2005-07-28  Jan Beulich <jbeulich@novell.com>
9987         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9988         (ia64_print_operand): Describe and handle 'X'.
9989         (ia64_register_move_cost): Also handle FP_REGS.
9990         (ia64_preferred_reload_class): Likewise.
9991         (ia64_secondary_reload_class): Likewise.
9992         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9993         it. Also check for ITANIUM_CLASS_FLDP.
9994         * config/ia64/ia64.h (FP_REGNO_P): New.
9995         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9996         (reg_class): Add FP_REGS.
9997         (REG_CLASS_NAMES): Adjust for it.
9998         (REG_CLASS_CONTENTS): Likewise.
9999         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
10000         (REG_CLASS_FROM_LETTER): Handle 'x'.
10001         (CLASS_MAX_NREGS): Handle FP_REGS.
10002         (MEMORY_MOVE_COST): Likewise.
10003         * config/ia64/ia64.md (itanium_class): Add fldp.
10004         (type): Handle fldp.
10005         (movti_internal): More allowable operand combinations. Use ldfp8 when
10006         splitting unnecessary. Remove predicable attribute. Adjust
10007         itanium_class attribute.
10008         (smuldi3_highpart): Remove outdated comment.
10009         (mulditi3, umulditi3, rotlti3): New expanders.
10010         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
10011         (absti2): Disabled new insn for future reference.
10012         Respective new splitters.
10013         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
10014         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
10015         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
10017 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
10019         PR rtl-optimization/23047
10020         * simplify-rtx.c (simplify_const_relational_operation): Respect
10021         flag_wrapv for comparisons with ABS.
10023 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
10025         PR tree-optimization/22493
10026         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
10027         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
10029 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
10031         * config/frv/frv.opt (moptimize-membar): New.
10033         * doc/invoke.texi: Document -moptimize-membar and its inverse.
10035         * config/frv/frv.h: Remove machine_function definition.
10037         * config/frv/frv.c (struct frv_io): New.
10038         (struct machine_function): Moved from frv.h.  Add has_membar_p.
10039         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
10040         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
10041         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
10042         (frv_optimize_membar_global, frv_optimize_membar): New functions.
10043         (frv_reorg): Call frv_optimize_membar when appropriate.
10044         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
10045         (frv_expand_builtin): Adjust calls accordingly.
10046         (frv_io_address_cookie): New function.
10047         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
10048         load or store rather than a special insn.  Add ccnstant address and
10049         io-type operands to the membar.
10050         (frv_ifcvt_modify_tests): Unsign regno.
10051         (frv_ifcvt_modify_tests): Same.
10053         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
10054         UNSPEC_OPTIONAL_MEMBAR constant.
10055         (builtin_read_<mode>): Delete.
10056         (builtin_write_<mode>): Delete.
10057         ("optional_membar_<mode>"): Add operand.
10059         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
10060         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
10061         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
10062         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
10063         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
10064         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
10065         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
10066         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
10067         * testsuite/gcc.target/frv/all-read-write-1.c: New.
10069 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10071         * df.c (df_uses_record): Handle SCRATCH.
10073 2005-07-28  Steven Bosscher  <stevenb@suse.de>
10075         PR debug/20161
10076         * passes.c (rest_of_decl_compilation): If decl is a type and
10077         we have encountered errors, don't emit debug information.
10079 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
10081         * params.def: Fixed comment.
10083 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
10085         PR target/19885
10086         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
10087         (TARGET_ASM_UNALIGNED_HI_OP): Add.
10088         (TARGET_ASM_UNALIGNED_SI_OP): Add.
10090 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10092         PR c++/22003
10093         * varasm.c (assemble_start_function): Don't do anything that may
10094         require a CFG if the current function is a thunk.
10096 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
10098         * doc/install.texi (Prerequisites): Mention that perl is needed
10099         to do export control in libstdc++ targetting Darwin.
10101 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10103         PR rtl-optimization/17808
10104         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
10105         (sched_insns_conditions_mutex_p): Split out from...
10106         (add_dependence): ...here.  But don't call it from here.
10107         (add_dependence_list): Check sched_insns_conditions_mutex_p
10108         before calling add_dependence.
10109         (add_dependence_list_and_free): Likewise.
10110         (fixup_sched_groups): Likewise.
10111         (sched_analyze_1): Likewise.
10112         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
10113         (sched_analyze): Likewise.
10114         (sched_analyze_insn): Likewise.
10115         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
10116         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
10117         dependencies on all COND_EXEC insns to jumps ending basic blocks
10118         when doing intrablock scheduling.
10119         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
10121 2005-07-27  Jeff Law  <law@redhat.com>
10123         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
10124         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
10125         equivalency sets, correctly handle the case were vr0 has an
10126         equivalency set, but vr1 does not.
10128 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
10130         PR tree-optimization/23073
10131         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
10132         vect_print_dump_info before fprintf.
10134 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10136         PR tree-optimize/22348
10137         * tree-ssa-loop-niter.c (number_of_iterations_cond):
10138         Fold the partial computation.
10140 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10142         PR tree-optimization/22325
10143         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
10144         Declare.
10145         * tree-scalar-evolution.c (scev_const_prop): Add generic final
10146         value replacement.
10147         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
10148         (force_var_cost): ... this function.
10149         (compute_phi_arg_on_exit): Export.
10151 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10153         PR tree-optimization/20773
10154         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
10155         edge.
10157 2005-07-27  Richard Guenther  <rguenther@suse.de>
10159         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
10160         Avoid pushing again if current struct contains only
10161         fields we decomposed.
10163 2005-07-27  Jan Hubicka  <jh@suse.cz>
10165         PR tree-optimization/22574
10166         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
10167         not available.
10169         * tree-tailcall.c (decrease_profile): New function.
10170         (eliminate_tail_call): Use it.
10172         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
10173         visibility flags correctly in whole program mode.
10175 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
10177         PR rtl-optimization/22472
10178         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
10180 2005-07-26  Steven Bosscher  <stevenb@suse.de>
10182         PR tree-optimization/22504
10183         * tree-complex.c (expand_complex_addition): Use 'code' instead
10184         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
10186 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10188         * config.gcc (cpu_type): Add frv case.
10189         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
10190         (supported_defaults): Add fr550 case.
10192 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
10194         PR 22591
10195         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
10196         whether a pointer of type T * may point to objects of type T *.
10198 2005-07-26  DJ Delorie  <dj@redhat.com>
10200         * configure: Regenerate.
10202 2005-07-26  Dale Johannesen  <dalej@apple.com>
10204         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
10206 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
10208         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
10209         Clarify use of "build" in name.
10211 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10213         * doc/extend.texi (Raw read/write Functions): New section.
10214         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
10215         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
10216         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
10217         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
10218         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
10219         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
10220         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
10221         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
10222         * config/frv/frv.c: Add bdesc_loads global.
10223         Add bdesc_stores global.
10224         (frv_init_builtins): Add support for __builtin_{read/write}*.
10225         (frv_volatile_memref): New.
10226         (frv_expand_load_builtin): New.
10227         (frv_expand_store_builtin): New.
10228         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
10229         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
10230         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
10231         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
10232         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
10233         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
10234         (builtin_read_<mode>): New.
10235         (builtin_write_<mode>): New.
10236         (builtin_write64): New.
10237         (optional_membar_<mode>): New.
10239 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
10241         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
10242         (rather than units) against HOST_BITS_PER_WIDE_INT.
10244 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
10246         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
10247         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
10248         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
10249         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
10250         FSF address.
10252         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
10253         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
10254         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
10255         comment typos.
10256         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
10258 2005-07-26  Richard Guenther  <rguenther@suse.de>
10260         PR tree-optimization/22486
10261         * fold-const.c (fold_unary): Fold away useless component
10262         references of the form (T *)&T.x, if the address
10263         doesn't change.
10265 2005-07-25  James E Wilson  <wilson@specifixinc.com>
10267         * dwarf2out.c (add_call_src_coords_attributes): New.
10268         (gen_inlined_subroutine_die): Call it.
10269         (maybe_emit_file, init_file_table): Add comments.
10270         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
10271         maybe_emit_file.
10272         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
10273         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
10274         * tree.h (BLOCK_SOURCE_LOCATION): New.
10275         (struct tree_block): New field locus.
10277 2005-07-26  Andreas Schwab  <schwab@suse.de>
10279         PR rtl-optimization/23043
10280         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
10281         when allocating a struct unoccr.
10283 2005-07-25  Richard Henderson  <rth@redhat.com>
10285         PR 22626
10286         * tree-complex.c (gate_no_optimization): True if errors.
10287         * Makefile.in (tree-complex.o): Update dependencies.
10289 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
10291         * config/frv/predicates.md (integer_register_operand): Use
10292         GPR_AP_OR_PSEUDO_P.
10294 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10296         PR tree-opt/22484
10297         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10298         after fold.
10299         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10301 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10303         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10304         types when flag_unsafe_math_optimizations is true.
10306 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
10308         * gcc.c (option_map): Add --sysroot.
10309         (process_command): Handle --sysroot.
10310         (display_help): Document it.
10311         * doc/cppopts.tex (-isysroot): Document.
10312         * doc/invoke.texi (--sysroot): Document.
10313         * doc/install.texi (--with-build-sysroot): Document.
10315         * Makefile.in (inhibit_libc): New variable.
10316         (INHIBIT_LIBC_CFLAGS): Likewise.
10317         (LIBGCC2_CFLAGS): Include
10318         $(INHIBIT_LIBC_CFLAGS).
10319         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10320         ($(T)crtbegin.o): Do not use @inhibit_libc@.
10321         ($(T)crtend.o): Likewise.
10322         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10323         ($(T)crtendS.o): Likewise.
10324         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10325         ($(T)crtendT.o): Likewise.
10326         (stmp-fixinc): Do not complain about missing headers if
10327         inhibit_libc.
10328         * configure.ac (inhibit_libc): Set it to true/false.
10329         (--with-build-sysroot): New option.  Use it to set
10330         SYSTEM_HEADER_DIR.
10331         * configure: Regenerated.
10333 2005-07-25  Manfred Hollstein  <mh@suse.com>
10335         * calls.c (store_one_arg): Fix unsigned comparison warning.
10337 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10339         PR other/22337
10340         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10341         (ggc_print_statistics): Initialize variable before use.
10343 2005-07-25  Richard Guenther  <rguenther@suse.de>
10345         * tree-dfa.c (mark_new_vars_to_rename): Protect against
10346         calling with a PHI_NODE argument.
10348         * tree-flow-inline.h (overlap_subvar): Protect against
10349         possible overflow.
10351 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
10353         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10354         * configure: Regenerate.
10356 2005-07-25  Ira Rosen  <irar@il.ibm.com>
10358         * expr.c (highest_pow2_factor): Make extern.
10359         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10360         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10361         record_array_differ_p, array_ptr_differ_p): Likewise.
10362         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10363         additional cases. Call the above functions.
10364         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10365         base_object_differ_p when there are two base objects. Otherwise, compare
10366         base address and offset. Call may_alias_p.
10367         (dump_data_reference): Use a correct field name.
10368         (analyze_array): Make static. Initialize new data-ref fields.
10369         (analyze_indirect_ref): New function.
10370         (init_data_ref): Initialize new data-ref fields.
10371         (strip_conversion): Moved from tree-vect-analyze.c.
10372         (analyze_offset_expr, get_ptr_offset, address_analysis,
10373         object_analysis): Likewise.
10374         (analyze_offset): New function.
10375         (create_data_ref): Likewise.
10376         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10377         dimensions for ARRAY_REFs only.
10378         (build_classic_dist_vector): Make static.
10379         (access_functions_are_affine_or_constant_p): Call macro to get the
10380         address of access functions.
10381         (compute_all_dependences): Add new parameter
10382         compute_self_and_read_read_dependences. Compute self and read-read
10383         dependences if it is true.
10384         (find_data_references_in_loop): Call create_data_ref. Initialize new
10385         data-ref fields.
10386         (compute_data_dependences_for_loop): Add new parameter
10387         compute_self_and_read_read_dependences. Remove parameter nb_loops,
10388         compute nb_loops. Call compute_all_dependences,
10389         build_classic_dist_vector and build_classic_dir_vector with correct
10390         parameters.
10391         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10392         with correct parameters. Compare dimensions for ARRAY_REFs only.
10393         (free_data_refs): Call macro to free access functions.
10394         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10395         fields from stmt_vinfo.
10396         (struct base_object_info): New structure.
10397         (struct data_reference): Move fields to base_object_info. Add fields
10398         first_location and object_info for above structures. Move fields from
10399         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10400         aligned_to.  Add macros to access the new fields.
10401         Update functions declarations.
10402         * tree-flow.h (is_aliased_with): Declare.
10403         * tree-loop-linear.c (linear_transform_loops): Call
10404         compute_data_dependences_for_loop with correct parameters.
10405         * tree-ssa-alias.c (is_aliased_with): New function.
10406         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10407         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10408         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10409         vect_base_addr_differ_p, compute_subscript_distance and
10410         build_classic_dist_vector. Add printings. Check absolute value of
10411         distance.
10412         (vect_analyze_data_ref_dependences): Go through ddrs instead of
10413         data-refs.
10414         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10415         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10416         to bytes. Add printing.
10417         (vect_compute_data_refs_alignment): Go through loads and stores in one
10418         loop.
10419         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10420         vect_analyze_data_ref_access): Likewise.
10421         (vect_analyze_pointer_ref_access): Remove.
10422         (vect_address_analysis, vect_object_analysis): Likewise.
10423         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10424         and analyze data-refs in the loop.
10425         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10426         fields of data-ref instead of stmt. Add init to the offset from the
10427         base.
10428         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10429         (vect_update_init_of_dr): Likewise.
10430         (vect_update_inits_of_drs): Go through loads and stores in one loop.
10431         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10432         removed fields.
10433         (new_loop_vec_info): Initialize new fields.
10434         (destroy_loop_vec_info): Free new fields.
10435         (vect_strip_conversion): Remove.
10436         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10437         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10438         datarefs. Add new field ddrs.
10439         Add macros for the new fields access.
10440         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10441         base_aligned_p, misalignment, memtag, ptr_info and subvars.
10442         Remove their macros.
10443         * tree.h (highest_pow2_factor): Declare.
10445 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
10447         * calls.c (store_one_arg): Check for sibling call MEM arguments
10448         from already clobbered incoming argument area.
10450 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10452         * c-common.c (check_missing_format_attribute): New.
10453         * c-common.h (check_missing_format_attribute): Likewise.
10454         * c-typeck.c (convert_for_assignment): Use it.
10456 2005-07-24  Andreas Schwab  <schwab@suse.de>
10458         * config/m68k/m68k.md ("extendqidi2"): When source is an address
10459         register use a word move.  Correct operand of ext.w in 68000 code.
10461 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
10463         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10464         variables as declarations, rather than definitions.
10466 2005-07-24  Ira Rosen  <irar@il.ibm.com>
10468         PR tree-optimization/22526
10469         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10470         of the zero node.
10472 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10474         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10475         that C99 reserve for future use. Use it to define clog10,
10476         clog10f and clog10l.
10478 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10480         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10481         * configure.ac: Check for -Wmissing-format-attribute.
10483         * configure: Regenerate.
10485 2005-07-23  Richard Henderson  <rth@redhat.com>
10487         PR tree-optimization/22623
10488         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10490 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
10492         PR target/22577
10493         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10495 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10497         * Makefile.in (C_TREE_H): Update dependencies.
10498         * c-tree.h: Include toplev.h.
10499         * diagnostic.h (diagnostic_set_info): Add format attribute.
10500         * rtl-error.c (diagnostic_for_asm): Likewise.
10502 2005-07-23  Chao-ying Fu  <fu@mips.com>
10504         * config/mips/mips-dsp.md: New file.
10505         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10506         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10507         functions.
10508         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10509         MIPS_BUILTIN_BPOSGE32.
10510         (mips_expand_builtin_direct): Add one parameter to indicate that
10511         builtin functions need to return a value.
10512         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10513         functions.
10514         (mips_regno_to_class): Add classes for 12 new DSP registers.
10515         (mips_subword): Change to check four HI registers.
10516         (mips_output_move): Output move to and from 6 new DSP accumulators.
10517         (override_options): Make sure -mdsp and -mips16 are not used together.
10518         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
10519         for machine modes.
10520         (mips_conditional_register_usage): Disable 6 new DSP accumulators
10521         when !TARGET_DSP.
10522         (print_operand): Add 'q' for printing DSP accumulators.
10523         (mips_cannot_change_mode_class): Check ACC_REGS.
10524         (mips_secondary_reload_class): Check ACC_REGS.
10525         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10526         (mips_register_move_cost): Check ACC_REGS.
10527         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10528         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10529         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10530         (dsp_bdesc): New array.
10531         (bdesc_arrays): Add DSP builtin function table.
10532         (mips_prepare_builtin_arg): Check predicate again after
10533         copy_to_mode_reg.
10534         (mips_expand_builtin): Add one more parameter to
10535         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10536         MIPS_BUILTIN_BPOSGE32.
10537         (mips_init_builtins): Initialize new function types.
10538         (mips_expand_builtin_direct): Check if builtin functions need to
10539         return a value and pass operands properly.
10540         (mips_expand_builtin_bposge): New function.
10541         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10542         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10543         (FIRST_PSEUDO_REGISTER): Increase to 188.
10544         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10545         Update for 12 new DSP registers.
10546         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10547         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10548         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10549         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10550         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10551         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10552         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10553         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10554         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10555         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10556         (REGISTER_NAMES): Add names for 12 new DSP registers.
10557         * config/mips/mips.md: Include mips-dsp.md.
10558         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10559         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10560         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10561         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10562         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10563         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10564         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10565         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10566         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10567         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10568         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10569         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10570         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10571         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10572         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10573         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10574         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10575         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10576         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10577         (UNSPEC_RDDSP): New constants.
10578         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10579         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10580         A<-d alternative.
10581         * config/mips/mips.opt (-mdsp): New option.
10582         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10583         (reg_imm10_operand): New predicates.
10584         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10585         * doc/invoke.texi (-mdsp): Document new option.
10587 2005-07-22  DJ Delorie  <dj@redhat.com>
10589         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10590         to warning calls.
10591         * tree-inline.c (inlinable_function_p): Likewise.
10593 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
10595         PR debug/21828
10596         * toplev.c (check_global_declarations): Do not mark undefined
10597         variables as DECL_IGNORED_P.
10598         * varasm.c (first_global_object_name): GTY it.
10599         (weak_global_object_name): Likewise.
10600         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10601         a string to go into {weak,first}_global_object_name.
10603 2005-07-22  DJ Delorie  <dj@redhat.com>
10605         * c-format.c (check_function_format): Change warning control
10606         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10608 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
10610         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10611         &PTR->FLD a dereference of PTR.
10612         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10613         a potential dereference of PTR.
10615 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10617         PR rtl-optimization/20370
10618         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10619         call allocate_reg_info if necessary.
10621         PR rtl-optimization/21848
10622         * calls.c (emit_library_call_value_1): For const functions, add
10623         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10625         PR rtl-optimization/22445
10626         * cselib.c (target.h): Include.
10627         (rtx_equal_for_cselib_p): Allow commutative matches.
10628         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10629         Remove MODE parameter.  Changed all callers.
10631         PR rtl-optimization/22258
10632         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10633         New functions.
10634         (try_combine): Use likely_spilled_retval_p.
10636 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10638         * config.gcc: Add crx-elf support.
10640         * doc/contrib.texi: Mention crx.
10641         * doc/extend.texi: Document crx extensions.
10642         * doc/install.texi: Document crx install.
10643         * doc/invoke.texi: Document crx options.
10644         * doc/md.texi: Document crx constraints.
10646         * config/crx/crx-protos.h: New file.
10647         * config/crx/crx.c: New file.
10648         * config/crx/crx.h: New file.
10649         * config/crx/crx.md: New file.
10650         * config/crx/crx.opt: New file.
10651         * config/crx/t-crx: New file.
10653 2005-07-22  Manfred Hollstein  <mh@suse.com>
10655         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10656         warnings.
10657         (int_add_graph_edge): Likewise.
10658         (collapse_nodes): Likewise.
10659         (process_unification_queue): Likewise.
10661 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10662             Laurent GUERBY  <laurent@guerby.net>
10664         PR tree-optimization/22336
10665         * function.c (record_block_change): Check for
10666         cfun->ib_boundaries_block.
10668 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10670         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10671         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10673 2005-07-21  DJ Delorie  <dj@redhat.com>
10675         * toplev.c (warn_deprecated_use): Add warning control to warning
10676         call.
10677         * c-typeck.c (parser_build_binary_op): Likewise.
10678         (c_finish_if_stmt): Likewise.
10679         * c-common.c (check_function_sentinel): Likewise.
10680         (check_nonnull_arg): Likewise.
10682 2005-07-21  Richard Henderson  <rth@redhat.com>
10684         PR tree-opt/22504
10685         * tree-complex.c (complex_ssa_name_components): New.
10686         (cvc_lookup): Allow entry not found.
10687         (create_components): Remove.
10688         (create_one_component_var, get_component_var): New.
10689         (get_component_ssa_name, set_component_ssa_name): New.
10690         (extract_component): Use get_component_ssa_name.
10691         (update_complex_components): Use set_component_ssa_name.
10692         (update_complex_components_on_edge): Likewise.
10693         (update_phi_components): Create new PHI nodes directly, instead
10694         of adding insns to edges.
10695         (tree_lower_complex): Allocate and free complex_variable_components
10696         and complex_ssa_name_components here.
10698 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10700         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10701         revert to returning false.
10703 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10705         PR target/21149
10706         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10708 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10710         PR target/22576
10711         * config/i386/i386.md (cmpxf): Change operand constraints
10712         to "nonmemory_operand".
10714 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10716         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10718 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10720         PR middle-end/21180
10721         * fold-const.c (fold_build1): Add checksum for the operands.
10722         (fold_build2): Likewise.
10723         (fold_build3): Likewise.
10725 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10727         PR middle-end/19055
10728         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10730 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10732         * common.opt (-fforward-propagate): Committed by mistake,
10733         removed.
10735 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10737         * reg-stack.c: Fix comment typo(s).
10738         * tree-ssa-operands.c: Likewise.
10739         * tree-vectorizer: Likewise.
10741 2005-07-21  Nick Clifton  <nickc@redhat.com>
10743         * config/sh/symbian.c: Replace C++ style line comments with C
10744         style line comments.
10745         (symbian_add_attribute): Do not use a ? operator on the LHS of
10746         an assignment.
10747         (sh_symbian_handle_dll_attribute): Change the type of the
10748         method vector to "VEC(tree,gc)*" and use vector accessor
10749         macros to walk over the elements.
10750         (symbian_export_vtable_and_rtti_p): Likewise.
10751         (symbian_class_needs_attribute_p): Likewise.
10753 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10755         PR target/22085
10756         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10757         initialize targetm.resolve_overloaded_builtin here.
10758         (altivec_expand_overloaded_builtin): Make it non-static.
10759         * config/rs6000/rs6000-protos.h
10760         (altivec_expand_overloaded_builtin): New prototype.
10761         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10762         targetm.resolve_overloaded_builtin here.
10763         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10765 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10766             Zdenek Dvorak  <dvorakz@suse.cz>
10768         PR tree-optimization/19210
10769         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10770         New.
10771         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10772         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10773         rely on unproven assumptions.
10774         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10775         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10776         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10777         to number_of_iterations_exit.
10778         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10779         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10780         * tree-ssa-loop-niter.c (find_loop_niter,
10781         estimate_numbers_of_iterations_loop): Likewise.
10782         (number_of_iterations_exit): Honor the new options.
10783         * doc/invoke.texi (Wunsafe-loop-optimizations,
10784         funsafe-loop-optimizations): Document them.
10786 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10788         PR rtl-optimization/22167
10789         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10791 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10793         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10794         __do_global_dtors_aux longcall.
10796 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10798         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10799         (old_special_pred_table): Don't reference
10800         SPECIAL_MODE_PREDICATES.
10801         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10802         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10803         * config/sh/predicates.h: Don't mention
10804         SPECIAL_MODE_PREDICATES.
10805         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10806         Remove.
10808 2005-07-20  DJ Delorie  <dj@redhat.com>
10810         * config.gcc: Add m32c-elf support.
10812         * doc/contrib.texi: Mention m32c.
10813         * doc/extend.texi: Document m32c extensions.
10814         * doc/install.texi: Mention m32c.
10815         * doc/invoke.texi: Document m32c options.
10816         * doc/md.texi: Document m32c constraints.
10818         * config/m32c/addsub.md: New file.
10819         * config/m32c/bitops.md: New file.
10820         * config/m32c/cond.md: New file.
10821         * config/m32c/jump.md: New file.
10822         * config/m32c/m32c-lib1.S: New file.
10823         * config/m32c/m32c-lib2.c: New file.
10824         * config/m32c/m32c-modes.def: New file.
10825         * config/m32c/m32c-pragma.c: New file.
10826         * config/m32c/m32c-protos.h: New file.
10827         * config/m32c/m32c.abi: New file.
10828         * config/m32c/m32c.c: New file.
10829         * config/m32c/m32c.h: New file.
10830         * config/m32c/m32c.md: New file.
10831         * config/m32c/m32c.opt: New file.
10832         * config/m32c/minmax.md: New file.
10833         * config/m32c/mov.md: New file.
10834         * config/m32c/muldiv.md: New file.
10835         * config/m32c/predicates.md: New file.
10836         * config/m32c/prologue.md: New file.
10837         * config/m32c/shift.md: New file.
10838         * config/m32c/t-m32c: New file.
10840 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10842         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10843         (stack_protect_set, stack_protect_test): New expanders.
10844         (stack_protect_set_si, stack_protect_set_si_media,
10845         stack_protect_set_di_media, stack_protect_test_si,
10846         stack_protect_test_si_media, stack_protect_test_di_media):
10847         New insns.
10849 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10851         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10853 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10855         * tree.h (tree_expr_nonzero_p): Export.
10856         * fold-const.c (tree_expr_nonzero_p): Likewise.
10857         Return true for CALL_EXPRs that are alloca calls.
10858         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10859         against zero.
10860         * tree-flow.h (expr_computes_nonzero): Remove.
10861         * tree-vrp.c (expr_computes_nonzero): Remove.
10862         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10863         (extract_range_from_unary_expr): Likewise.
10864         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10865         tree_expr_nonzero_p.
10867 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10869         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10870         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10871         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10872         All callers changed.
10873         (frame_related_constant_load): New arg "related" which controls
10874         setting of RTX_FRAME_RELATED_P.  All callers changed.
10875         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10876         (bfin_expand_prologue): Add stack limit checking.
10877         * config/bfin/bfin.md (trapifcc): New pattern.
10879         * config/bfin/bfin.c: Include "langhooks.h".
10880         (def_builtin): Go through lang_hooks to call builtin_function.
10882         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10883         * config/bfin/predicates.md (symbol_ref_operand): New.
10884         (call_insn_operand): Delete.  All callers changed to use
10885         register_no_elim_operand.
10886         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10887         call_cookie field.
10888         (function_arg): Use it to generate the call's operand 2.
10889         (bfin_longcall_p): New function.
10890         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10891         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10892         determine if the address needs to be in a REG.
10893         (bfin_handle_longcall_attribute): New function.
10894         (bfin_attribute_table): Add "longcall" and "shortcall".
10895         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10896         (CUMULATIVE_ARGS): New member call_cookie.
10897         (PREDICATE_CODES): Add symbol_ref_operand.
10898         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10899         extra USE to the pattern.
10900         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10901         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10902         sibcall_value_insn; now the new patterns handle direct calls and the
10903         old ones indirect calls.
10904         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10906 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10908         * doc/trouble.texi: Update section on handling of empty loops.
10910 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10912         * config.gcc: Remove support for sparc-*-openbsd*,
10913         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10914         ns32k-*-netbsd*.
10915         * config.host: Remove support for i860-*-sysv4* as a host.
10916         * config/i860/*, config/ip2k/*, config/ns32k/*,
10917         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10918         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10919         mention obsolete ports.
10921 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10923         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10924         soft frame pointer.
10925         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10926         of frame_pointer_rtx.
10927         (sh_expand_epilogue): Likewise.
10928         (sh_set_return_address): Likewise.
10929         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10930         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10931         offsets from FRAME_POINTER_REGNUM.
10932         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10933         (sh_register_names): Add initializer for sfp.
10934         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10935         (VALID_REGISTER_P): Likewise.
10936         (FIRST_PSEUDO_REGISTER): Update.
10937         (DWARF_FRAME_REGISTERS): Define.
10938         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10939         (HARD_FRAME_POINTER_REGNUM): Define.
10940         (FRAME_POINTER_REGNUM): Redefine.
10941         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10942         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10943         from FRAME_POINTER_REGNUM.
10944         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10945         FRAME_POINTER_REGNUM.
10946         (REG_CLASS_CONTENTS): Add sfp.
10947         (REG_ALLOC_ORDER): Likewise.
10948         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10949         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10950         of frame_pointer_rtx.
10951         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10953 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10955         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10956         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10957         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10958         of an ABS_EXPR.
10959         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10960         ABS_EXPR<x>.
10962 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10964         Make CONSTRUCTOR use VEC to store initializers.
10965         * c-common.c (complete_array_type): Update to cope with VEC in
10966         CONSTRUCTOR_ELTS.
10967         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10968         (pp_c_constructor_elts): New function.
10969         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10970         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10971         struct constructor_stack, struct initializer_stack,
10972         constructor_elements, push_init_level, pop_init_level,
10973         add_pending_init, find_init_member, output_init_element): Update to
10974         cope with VEC in CONSTRUCTOR_ELTS.
10975         * coverage.c (build_fn_info_value, build_ctr_info_value,
10976         build_gcov_info): Likewise.
10977         * expr.c (categorize_ctor_elements_1, store_constructor,
10978         expand_expr_real_1): Likewise.
10979         * fold-const.c (fold_ternary): Likewise.
10980         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10981         gimplify_init_constructor, gimplify_expr): Likewise.
10982         * tree-dump.c (dequeue_and_dump): Likewise.
10983         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10984         node.
10985         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10986         CONSTRUCTOR_ELTS.
10987         * tree-sra.c (generate_element_init_1): Likewise.
10988         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10989         * tree-ssa-operands.c (get_expr_operands): Likewise.
10990         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10991         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10992         (get_initial_def_for_reduction): Likewise.
10993         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10994         value handle in annotations.
10995         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10996         tree_node_structure): Add support for constr_kind.
10997         (build_vector_from_ctor, build_constructor_single,
10998         build_constructor_from_list): New functions.
10999         (build_constructor): Update to take a VEC instead of a TREE_LIST.
11000         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
11001         Update to cope with VEC in CONSTRUCTOR_ELTS.
11002         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
11003         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
11004         CONSTRUCTOR_APPEND_ELT): New macros.
11005         (struct constructor_elt, struct tree_constructor): New data types.
11006         (union tree_node): Add tree_constructor field.
11007         * treestruct.def: Define TS_CONSTRUCTOR.
11008         * varasm.c (const_hash_1, compare_constant, copy_constant,
11009         compute_reloc_for_constant, output_addressed_constants,
11010         initializer_constant_valid_p, output_constant,
11011         array_size_for_constructor, output_constructor): Update to cope with
11012         VEC in CONSTRUCTOR_ELTS.
11013         * vec.h (VEC_empty, VEC_copy): New macros.
11015 2005-07-19  Devang Patel  <dpatel@apple.com>
11017         * dbxout.c (dbxout_type): Check Objective-C++ lang.
11019 2005-07-19  Richard Henderson  <rth@redhat.com>
11021         PR tree-opt/22278
11022         * gimplify.c (gimplify_expr): Use main variant type for the temp
11023         destination for a discarded volatile read.
11024         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
11025         casts between non-void types that change volatility.
11027 2005-07-15  DJ Delorie  <dj@redhat.com>
11029         * toplev.h: Add comment about the first parameter for warning().
11030         * errors.h: Likewise.
11032         * c.opt (Wpragmas): New.
11033         * doc/invoke.texi: Document it.
11035         * function.c (do_warn_unused_parameter): Add warning control to
11036         warning call.
11037         * c-decl.c (warn_if_shadowing): Likewise.
11038         * c-lex.c (cb_def_pragma): Likewise.
11039         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
11040         (pop_alignment): Likewise.
11041         (handle_pragma_pack): Likewise.
11042         (apply_pragma_weak): Likewise.
11043         (handle_pragma_weak): Likewise.
11044         (handle_pragma_redefine_extname): Likewise.
11045         (add_to_renaming_pragma_list): Likewise.
11046         (handle_pragma_extern_prefix): Likewise.
11047         (maybe_apply_renaming_pragma): Likewise.
11048         (handle_pragma_visibility): Likewise.
11050         * config/c4x/c4x-c.c (BAD): Likewise.
11051         (c4x_parse_pragma): Likewise.
11052         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
11053         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
11054         (rs6000_pragma_longcall): Likewise.
11055         * config/v850/v850-c.c (pop_data_area): Likewise.
11056         (ghs_pragma_section): Likewise.
11057         (ghs_pragma_section): Likewise.
11058         (ghs_pragma_interrupt): Likewise.
11059         (ghs_pragma_starttda): Likewise.
11060         (ghs_pragma_startsda): Likewise.
11061         (ghs_pragma_startzda): Likewise.
11062         (ghs_pragma_endtda): Likewise.
11063         (ghs_pragma_endsda): Likewise.
11064         (ghs_pragma_endzda): Likewise.
11066 2005-07-19  Danny Berlin <dberlin@dberlin.org>
11067             Kenneth Zadeck <zadeck@naturalbridge.com>
11069         * Makefile.in: Removed tree-promote-statics.c
11070         * tree-promote-statics.c: Removed.
11071         * common.opt: Removed flag-promote-statics.
11072         * opts.c: Ditto.
11073         * passes.c: Removed tree-promote-statics pass.
11074         * tree-pass.h: Ditto.
11075         * timevar.def: Removed TV_PROMOTE_STATICS.
11078 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
11080         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
11081         and *-*-freebsd9.
11082         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
11084 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11086         PR c/22476
11087         * c-common.c (check_function_arguments): Call
11088         'check_function_format' if either -Wformat or
11089         -Wmissing-format-attribute are specified.
11090         * c-format.c (check_function_format): Check -Wformat before
11091         calling 'check_format_info'.
11092         * c-opts.c (c_common_post_options): Don't warn for
11093         -Wmissing-format-attribute without -Wformat.
11094         * c-typeck.c (convert_for_assignment): Detect additional cases for
11095         -Wmissing-format-attribute.
11096         * doc/invoke.texi (-Wmissing-format-attribute): Document new
11097         behavior.
11099 2005-07-19  Richard Guenther  <rguenther@suse.de>
11101         * config/i386/i386.md (lrint<mode>2): Use temporary
11102         instead of clobbering non-existent memory.
11104 2005-07-19  Nick Clifton  <nickc@redhat.com>
11106         * config/avr/avr.c (legitimate_address_p): Fix debugging print
11107         statement to avoid displaying ASCII control characters.
11109 2005-07-19  Ben Elliston  <bje@au.ibm.com>
11111         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
11112         * cfganal.c (find_edge_index): Ditto.
11113         * combine.c (combine_instructions): Ditto.
11114         * ddg.c (create_scc): Ditto.
11115         (find_successors): Ditto.
11116         (find_predecessors): Ditto.
11117         (find_nodes_on_paths): Ditto.
11118         (longest_simple_path): Ditto.
11119         * flow.c (update_life_info): Ditto.
11120         (count_or_remove_death_notes): Ditto.
11121         (clear_log_links): Ditto.
11122         * modulo-sched.c (generate_reg_moves): Ditto.
11123         (find_max_asap): Ditto.
11124         (find_max_hv_min_mob): Ditto.
11125         (find_max_dv_min_mob): Ditto.
11126         * sbitmap.c (sbitmap_first_set_bit): Ditto.
11127         * sched-rgn.c (extract_edgelst): Ditto.
11128         * tree-into-ssa.c (prepare_names_to_update): Ditto.
11129         (dump_update_ssa): Ditto.
11130         (ssa_names_to_replace) Ditto.
11131         (switch_virtuals_to_full_rewrite): Ditto.
11132         (update_ssa): Ditto.
11133         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
11135 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
11137         Fix PR tree-optimization/22483
11139         * tree-complex.c (create_components): Use
11140         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
11141         * tree-flow-inline.h (fill_referenced_var_vec): New function.
11142         * tree-flow.h (safe_referenced_var_iterator): New structure.
11143         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
11144         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
11145         safe_referenced_var iterator.
11146         (add_type_alias): Ditto.
11148 2005-07-19  Steven Bosscher  <stevenb@suse.de>
11150         * loop-init.c (rest_of_handle_loop2): Remove.
11151         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
11152         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
11153         (pass_rtl_loop_init, pass_rtl_loop_done,
11154         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
11155         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
11156         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
11157         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
11158         pass_tree_loop_done, and pass_tree_unswitch.
11159         (gate_loop): Rename to gate_tree_loop.
11160         * passes.c (init_optimization_passes): Update for renamed tree
11161         loop passes.  Add the new loop2 passes as subpasses of loop2.
11162         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
11163         Update for the renamed tree loop passes.
11165 2005-07-18  Ian Lance Taylor  <ian@airs.com>
11167         PR middle-end/22057
11168         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
11169         blocks when optimizing.
11171 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
11173         * common.opt (frename-registers): Initialize to 2.
11174         (fweb): Ditto.
11175         (fgcse-after-reload): Ditto.
11176         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
11177         (process_options): Only change flag_web, flag_rename_registers,
11178         and flag_rerun_cse_after_loop if not explicitly set by user.
11180 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11182         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
11183         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
11184         in 64-bit mode the same as DImode in 32-bit mode.
11185         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
11186         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
11187         mode. Add new mode parameter.
11188         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
11189         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
11190         x86_64_shift_adj): New expanders.
11191         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
11192         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
11193         insns.
11194         Respective new splitters. Use renamed shift splitter helpers in 32-bit
11195         DImode shift splitters.
11196         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
11197         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
11198         mode parameter.
11200 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11202         * i386.md (movdi_extzv_1): New.
11203         (zero_extendhidi2): Combine alternatives and never force use of
11204         REX64 prefix.
11205         (zero_extendqidi2): Likewise. Don't restrict input selection.
11207 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11209         Fix PR tree-optimization/22531
11210         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
11211          moment.
11213 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11215         * tree-promote-statics.c (pass_promote_statics): Change dump file
11216          name.
11218 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11220         * tree-optimize.c (init_tree_optimization_passes): Add
11221         pass_eliminate_useless_stores pass.
11222         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
11223         * tree-ssa-pre.c (is_copy_stmt): New function.
11224         (follow_copies_till_vuse): Ditto.
11225         (do_eustores): Ditto.
11226         (gate_eustores): Ditto.
11228 2005-07-16  Richard Henderson  <rth@redhat.com>
11230         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
11232 2005-07-16 Danny Berlin <dberlin@dberlin.org>
11233            Kenneth Zadeck <zadeck@naturalbridge.com>
11235         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
11236         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
11237         ipa-type-escape.h, tree-promote-statics.c
11238         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
11239         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
11240         tree-promote-statics.c: new files.
11241         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
11242         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
11243         int nonlocal_set_p, mark_constant_function): Deleted.
11244         (rest_of_handle_cfg): Removed call to mark_constant_function.
11245         (nonoverlapping_component_refs_p): Added calls to support
11246         type based aliasing.
11247         * tree-ssa-alias.c (may_alias_p,
11248         compute_flow_insensitive_aliasing): Ditto.
11249         * calls.c (flags_from_decl_or_type): Removed reference to
11250         cgraph_rtl_info.
11251         * c-typeck.c (convert_arguments): Make builtins tolerant of having
11252         too many arguments.  This is necessary for Spec 2000.
11253         * cgraph.h (const_function, pure_function): Removed.
11254         * common.opt: Added "fipa-pure-const", "fipa-reference",
11255         "fipa-type-escape", and "ftree-promote-static".
11256         * opts.c: Ditto.
11257         * passes.c: Added ipa and tree-promote-statics passes.
11258         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
11259         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
11260         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
11261         * tree-flow.h: Added exposed sra calls and addition of
11262         reference_vars_info field for FUNCTION_DECLS.
11263         * tree-pass.h: Added passes.
11264         * tree-sra.c: (sra_init_cache): New function.
11265         (sra_insert_before, sra_insert_after) Made public.
11266         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
11267         and made public.
11268         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
11269         aliasing. (may_alias_p): Added code to use type escape analysis to
11270         improve alias sets.
11271         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
11272         code to prune clobbers of static variables based on information
11273         produced in ipa-reference pass.  Changed call clobbering so that
11274         statics are not marked as clobbered if the call does not clobber
11275         them.
11277 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
11279         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
11280         too.
11282 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11284         * doc/install.texi (*-*-solaris2*): Document recommended version
11285         of GNU binutils and mention GNU linker problem on Solaris 10.
11287 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
11289         PR c/22421
11290         * c-decl.c (c_build_bitfield_integer_type): New function.
11291         (finish_struct): Call it.
11292         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11294 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11296         * c-typeck.c (digest_init): Call 'convert_for_assignment'
11297         before returning.
11299 2005-07-16  Jan Hubicka  <jh@suse.cz>
11301         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
11302         (scale_bbs_frequencies_int): Watch roundoff errors.
11303         * predict.c (return_prediction): Initialize return_stmt.
11305 2005-07-16  Jan Hubicka  <jh@suse.cz>
11307         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11308         after RTL profiling.
11310 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
11312         PR middle-end/22398
11313         * fold-const.c (build_range_check): Convert high/low to etype
11314         if we are only comparing against exp.
11316 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
11318         Fix PR tree-optimization/22376
11319         * tree-ssa-structalias.c (build_constraint_graph): We really meant
11320         special var here.
11321         (need_to_solve): New function.
11322         (compute_points_to_sets): Use it.
11324 2005-07-15  Jan Hubicka  <jh@suse.cz>
11326         * cfg.c (update_bb_profile_for_threading): More diagnostic.
11327         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11329 2005-07-15  Richard Guenther  <rguenther@suse.de>
11331         * c-common.c (handle_flatten_attribute): New function.
11332         Add flatten function attribute.
11333         * doc/extend.texi: Document flatten function attribute.
11334         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11335         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11336         New functions.
11337         (cgraph_decide_inlining): Handle functions with flatten
11338         attribute.
11340 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
11342         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11343         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11344         UNSPEC_XCHG, UNSPEC_AND): New.
11345         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11346         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11347         * config/rs6000/sync.md (FETCHOP): New code macro.
11348         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11349         New code attrs.
11350         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11351         (sync_compare_and_swap<mode>): Same.
11352         (sync_lock_test_and_set<mode>): Same.
11353         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11354         for QImode and HImode, and not PPC405.
11355         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11356         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11357         (sync_<fetchop>{si,di}_internal): New.
11358         (sync_nand{si,di}_internal): New.
11359         (sync_old_<fetchop>{si,di}_internal): New.
11360         (sync_old_nand{si,di}_internal): New
11361         (sync_new_<fetchop>{si,di}_internal): New.
11362         (sync_new_nand{si,di}_internal): New.
11363         (atomic_and{si,di}): New.
11364         (sync_new_nand{si,di}_internal): New.
11365         (atomic_and{si,di}): New.
11366         (sync_add<mode>_internal): Delete.
11367         (sync_addshort_internal): Use unspec instead of unspec_volatile.
11368         (sync_sub<mode>_internal): Delte.
11369         (sync_subshort_internal): New.
11370         (sync_andsi_internal): Use unspec instead of unspec_volatile.
11371         (sync_anddi_internal): Delete.
11372         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11373         (sync_booldi_internal): Delete.
11374         (sync_boolc<mode>_internal): Delete.
11375         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11376         (sync_boolc<mode>_internal2): Delete.
11377         (sync_boolcc<mode>_internal): Delete.
11378         (isync, lwsync): Use unspec instead of unspec_volatile.
11379         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11380         Revert UNSPEC_VOLATILE.
11381         (rs6000_split_atomic_op): New.
11382         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11384 2005-07-14  Eric Christopher  <echristo@redhat.com>
11386         * config/mips/mips.c (mips_canonicalize_comparison): Cast
11387         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11389 2005-07-14  Eric Christopher  <echristo@redhat.com>
11391         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11393 2005-07-14  Steven Bosscher  <stevenb@suse.de>
11395         PR tree-optimization/22230
11396         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11397         the computation of the four cross productions for "range op range".
11399 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
11400             Ulrich Weigand  <uweigand@de.ibm.com>
11402         PR target/20126
11403         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11404         in some insn.
11406 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11408         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11410 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
11412         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11414 2005-07-14  Richard Guenther  <rguenther@suse.de>
11416         PR middle-end/22347
11417         * config/i386/i386-protos.h (ix86_function_value): Change
11418         prototype to match new target hook.
11419         * config/i386/i386.c (ix86_value_regno): Change prototype
11420         to take extra type argument.
11421         (TARGET_FUNCTION_VALUE): Define.
11422         (ix86_function_ok_for_sibcall): Pass extra argument to
11423         ix86_value_regno, check return slot rtx for exact match.
11424         (ix86_function_value): Take extra parameter.  Dispatch to
11425         ix86_value_regno with fndecl/fntype as provided.
11426         (ix86_value_regno): Handle extra type argument.
11427         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11429         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11430         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11431         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11432         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11433         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11435 2005-07-14  Richard Guenther  <rguenther@suse.de>
11437         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11438         * calls.c (expand_call): Pass fntype to hard_function_value.
11439         (emit_library_call_value_1): Likewise.
11440         * explow.c: Include target.h.
11441         (hard_function_value): Take extra argument, the fntype.
11442         Use new target hook for function_value.
11443         * expr.h (hard_function_value): Change prototype.
11444         * function.c (aggregate_value_p): Pass 0 as fntype to
11445         hard_function_value.
11446         (assign_parms): Use new target hook for function_value.
11447         Pass 0 as fntype to hard_function_value.
11448         (expand_function_end): Likewise.
11449         * reg-stack.c: Include target.h.
11450         (stack_result): Use new target hook for function_value.
11451         * target-def.h: New target hook function_value.
11452         * target.h: Likewise.
11453         * targhooks.c (default_function_value): New function.
11454         * targhooks.h (default_function_value): Declare.
11456 2005-07-13  Ian Lance Taylor  <ian@airs.com>
11458         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11460 2005-07-14  Jan Hubicka  <jh@suse.cz>
11462         * tree-dfa.c (dump_variable): Use default_def function.
11463         * tree-ssa-alias.c (dump_points_to_info): Likewise.
11464         * tree-ssa.c (verify_use): Likewise.
11465         * tree-ssanames.c (release_ssa_name): Likewise.
11466         * tree-tailcall.c (eliminate_tail_call): Likewise.
11467         (tree_optimize_tail_calls_1): Likewise.
11468         * tree-vrp.c (get_value_range): Likewise.
11470 2005-07-14  Ben Elliston  <bje@au.ibm.com>
11472         * gcc.c (main): Compare language[0] with '*' when iterating over
11473         the infiles.
11475 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11477         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11478         "s390_emit_compare".  Add handling of CCZ1mode.
11479         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11480         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11481         checking.
11482         (s390_branch_condition_mask): Add CCZ1mode handling.
11483         * config/s390/s390.md: ("seq", "*seq"): New pattern.
11484         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11485         Use CCZ1mode instead of CCZmode.
11486         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
11488 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11490         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11491         pattern.
11492         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11494 2005-07-13  Eric Christopher  <echristo@redhat.com>
11496         * config/mips/mips.c (mips_canonicalize_comparison): New.
11497         (mips_emit_int_relational): Use.
11499 2005-07-13  Eric Christopher  <echristo@redhat.com>
11501         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11502         static extra parts.
11503         * config/s390/s390.md: Include tpf.md. Move tpf specific
11504         patterns...
11505         * config/s390/tpf.md: To here.
11506         * config/s390/s390.opt: Move tpf specific options...
11507         * config/s390/tpf.opt: to here. Add mmain option.
11508         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11509         * config/s390/tpf.h: Rewrite.
11511 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11513         * doc/tm.texi: Remove @xref{Cross-profiling}.
11515 2005-07-13  Jeff Law  <law@redhat.com>
11517         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11518         expressions, test their _DECL operands for pointer equality rather
11519         than using operand_equal_p.
11521 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11523         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11524         (TARGET_POSIX_IO): This.
11525         * config/darwin.h: Likewise.
11526         * config/freebsd.h: Likewise.
11527         * config/linux.h: Likewise.
11528         * config/lynx.h: Likewise.
11529         * config/netbsd.h: Likewise.
11530         * config/rs6000/linux64.h: Likewise.
11531         * config/rs6000/linux.h: Likewise.
11532         * config/s390/tpf.h: Likewise.
11533         * config/sh/embed-elf.h: Likewise.
11534         * config/sparc/linux64.h: Likewise.
11535         * config/sparc/linux.h: Likewise.
11536         * config/svr4.h: Likewise.
11537         * gcov-io.h: Likewise.
11539         * doc/tm.texi: Updated.
11541         * libgcov.c (create_file_directory): Defined only if
11542         TARGET_POSIX_IO is defined.
11543         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11544         is defined.
11546 2005-07-13  Jan Hubicka  <jh@suse.cz>
11548         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11550 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
11552         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11553         structure as argument.
11555 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
11557         PR tree-optimization/21921
11558         * tree-iterator.c (tsi_link_before): Support the case when
11559         tsi_end_p (tsi) == true.
11561 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11563         PR tree-optimization/22442
11564         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11565         correctly.
11567 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11569         PR rtl-optimization/20376
11570         * toplev.c (process_options): Enable -fweb and -frename-registers when
11571         unrolling.
11572         * doc/invoke.texi: Update the information about when -fweb and
11573         -frename-registers are enabled.
11575 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11577         PR tree-opt/21840
11578         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11579         if *rhs_p is not a SSA_NAME.
11581 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11583         Fix PR tree-optimization/22422
11584         * tree-ssa-structalias.c (struct variable_info): Add flag for
11585         special vars.
11586         (get_varinfo): Now a static function.
11587         (new_varinfo): init has_union and is_special_var to false.
11588         (solution_set_add): Check has_union.
11589         (do_da_constraint): Move temporary variable so it gets reset
11590         properly.
11591         Also check for special variable.
11592         (do_ds_constraint): Ditto.
11593         (do_sd_constraint): Ditto.
11594         (do_structure_copy): Check for special variable.
11595         (find_func_aliases): Ditto.
11596         (init_base_vars): Set special vars properly.
11598 2005-07-13  Jan Hubicka  <jh@suse.cz>
11600         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11601         do unit-at-a-time.
11603         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11604         (get_expr_operands): Fix thinko wrt flags and subvars.
11606         PR tree-optimize/22379
11607         * tree-inline.c (expand_call_inline): Do not output sorry in early
11608         inlining.
11610 2005-07-12  Dale Johannesen  <dalej@apple.com>
11612         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
11614 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11616         PR bootstrap/21704
11617         * host-linux.h: Include limits.h.
11619 2005-07-12  Dale Johannesen  <dalej@apple.com>
11621         * expr.c (compress_float_constant):  Add cost check.
11622         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
11624 2005-07-12  Dale Johannesen  <dalej@apple.com>
11626         * gcc.target/i386/compress-float-sse.c:  New.
11627         * gcc.target/i386/compress-float-sse-pic.c:  New.
11628         * gcc.target/i386/compress-float-387.c:  New.
11629         * gcc.target/i386/compress-float-387-pic.c:  New.
11630         * gcc.dg/compress-float-ppc.c:  New.
11631         * gcc.dg/compress-float-ppc-pic.c:  New.
11633 2005-07-12  Eric Christopher  <echristo@redhat.com>
11635         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11636         static extra parts.
11637         * config/s390/s390.md: Include tpf.md. Move tpf specific
11638         patterns...
11639         * config/s390/tpf.md: To here.
11640         * config/s390/s390.opt: Move tpf specific options...
11641         * config/s390/tpf.opt: to here. Add mmain option.
11642         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11643         * config/s390/tpf.h: Rewrite.
11645 2005-07-12  Eric Christopher  <echristo@redhat.com>
11647         * gcc.c (struct infile): Update comment for language.
11648         (main): Rewrite input file resetting code.
11650 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11652         PR tree-opt/22335
11653         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11654         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11655         (lookup_avail_expr): Use constant_boolean_node instead
11656         of boolean_false_node/boolean_true_node.
11658 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11660         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11661         and use it when printing num_edges.
11663 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11665         * doc/extend.texi (Blackfin Built-in Functions): New section.
11666         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11667         @opindex.
11669 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11671         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11672         s/cmpstrsi/cmpstrnsi
11673         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11674         'cmpstrnsi'.
11675         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11676         (init_optabs): Initialize cmpstrn_optab.
11677         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11678         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11679         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11680         * config/i386/i386.md: s/cmpstr/cmpstrn
11681         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11682         * doc/md.texi: Update documentation.
11684 2005-07-11  Richard Henderson  <rth@redhat.com>
11686         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11687         build_va_arg_indirect_ref.
11688         (alpha_gimplify_va_arg): Likewise.
11689         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11690         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11691         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11692         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11693         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11694         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11695         Likewise.
11696         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11698 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11700         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11701         * passes.c (init_optimization_passes): Add pass_empty_loop.
11702         * tree-pass.h (pass_empty_loop): Declare.
11703         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11704         try_remove_empty_loop, remove_empty_loops): New functions.
11705         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11706         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11708 2005-07-12  Peter Barada  <peter@the-baradas.com>
11710         PR middle-end/16719
11711         PR middle-end/18421
11712         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11713         in address registers.
11714         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11715         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11716         alternative of addsi3_5200.
11718 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11720         * config/mips/mips.md (ffs<mode>2): Remove.
11722 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11724         * doc/tree-ssa.texi (Cleanups): Improve description of
11725         TRY_FINALLY_EXPR.
11726         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11728 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11730         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11731         * tree.h (DECL_ARGUMENT_FLD): New macro.
11733 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11735         Fix PR tree-optimization/22404
11737         * tree-ssa-structalias.c (create_variable_info_for): Use
11738         correct offset.
11740 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11742         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11743         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11744         for second comparison operand.
11745         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11747         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11748         (define_insn_reservation "alu"): Likewise.
11749         (csync, ssync): Now of type sync.
11750         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11751         -mcsync-anomaly -mspecld-anomaly.
11752         * config/bfin/bfin.opt (mcsync): Remove.
11753         (mcsync-anomaly, mspecld-anomaly): Add.
11754         * config/bfin/bfin.c: Include "insn-codes.h".
11755         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11756         (TARGET_DEFAULT_TARGET_FLAGS): New.
11757         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11759 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11761         * basic-block.h: Give the BB flags enum a name, bb_flags.
11762         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11763         * cfgcleanup.c (enum bb_flags): Remove here.
11764         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11765         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11766         (update_forwarder_flag): Likewise.
11767         (thread_jump): Likewise.
11768         (try_forward_edges): Likewise.
11769         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11770         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11771         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11773 2005-07-11  Richard Guenther  <rguenther@suse.de>
11775         * config/i386/i386.opt: New target option -msseregparm.
11776         * config/i386/i386.c (override_options): Error out for
11777         -msseregparm but no SSE support.
11778         (ix86_function_sseregparm): Check for global sseregparm.
11779         * doc/invoke.texi: Document -msseregparm.
11781 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11783         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11784         (m32rle-*-linux*): Ditto.
11786 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11788         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11789         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11790         bytes.
11792 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11794         PR middle-end/22239
11795         PR target/20126
11796         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11797         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11799 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11801         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11802         (varmap): Heapify varmap.
11803         (constraints): Heapify constraints.
11804         (struct constraint_graph): Heapify succs and preds.
11805         (constraint_vec_find): Update for heapification.
11806         (constraint_set_union): Ditto.
11807         (insert_into_complex): Ditto.
11808         (constraint_edge_vec_find): Ditto.
11809         (erase_graph_self_edge): Ditto.
11810         (add_graph_edge): Ditto.
11811         (get_graph_weights): Ditto.
11812         (merge_graph_nodes): Ditto.
11813         (build_constraint_graph): Ditto.
11814         (topo_visit): Ditto.
11815         (solve_graph): Ditto.
11816         (create_variable_info_for): Ditto.
11817         (init_base_vars): Ditto.
11818         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11819         (condese_varmap_nodes): Free complex vector.
11820         (clear_edges_for_node): Clear succs and preds vector.
11822 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11824         * tree-ssa-structalias.c (update_alias_info): Change counting of
11825         references to not include vdefs.
11827 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11829         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11830         (up_insert): Ditto.
11832 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11834         * pa.c (pa_commutative_p): Make PLUS commutative when
11835         TARGET_NO_SPACE_REGS is true.
11837 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11839         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11840         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11841         * tree-dfa.c (dump_subvars_for): New.
11842         (debug_subvars_for): New.
11843         (dump_variable): Show subvariables if VAR has them.
11844         * tree-flow-inline.h (get_subvar_at): New.
11845         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11846         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11847         Update all users.
11848         (struct subvar): Change fields offset and size to unsigned
11849         HOST_WIDE_INT.
11850         (dump_subvars_for): Declare.
11851         (debug_subvars_for): Declare.
11852         (get_subvar_at): Declare.
11853         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11854         to unsigned HOST_WIDE_INT *.
11855         (overlap_subvar): Likewise.
11856         * tree-gimple.c (is_gimple_reg): Always return false for
11857         SFTs and memory tags.
11858         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11859         Update all callers.
11860         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11861         (compute_may_aliases): Call compute_points_to_sets.
11862         (collect_points_to_info_for): Remove.
11863         (compute_points_to_and_addr_escape): Remove.
11864         (delete_alias_info): Call delete_points_to_sets.
11865         (compute_flow_sensitive_aliasing): If the call to
11866         find_what_p_points_to returns false, call set_pt_anything.
11867         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11868         (set_pt_anything): Clear pi->pt_vars.
11869         (set_pt_malloc): Remove.
11870         (merge_pointed_to_info): Remove.
11871         (add_pointed_to_expr): Remove.
11872         (add_pointed_to_var): Remove.
11873         (collect_points_to_info_r): Remove.
11874         (is_escape_site): Make extern.
11875         (create_sft): New.
11876         (create_overlap_variables_for): Call it.
11877         * tree-ssa-copy.c (merge_alias_info): Never merge
11878         flow-sensitive alias information.
11879         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11880         offset and size to be unsigned HOST_WIDE_INT.
11881         (add_to_addressable_set): Rename from note_addressable.
11882         Set TREE_ADDRESSABLE as the variables are added to the set.
11883         Update all users.
11884         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11885         operands into VUSEs when adding V_MAY_DEFs for members in an
11886         alias set.
11887         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11888         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11889         (struct variable_info): Add bitfield is_heap_var.
11890         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11891         (new_var_info): Initialize is_heap_var.
11892         (get_constraint_for): Add HEAP variables to the symbol table.
11893         Mark them with is_heap_var.
11894         (update_alias_info): New.  Taken mostly from the old
11895         compute_points_to_and_addr_escape.
11896         (handle_ptr_arith): New.
11897         (find_func_aliases): Call update_alias_info.
11898         Call handle_ptr_info for tcc_binary expressions.
11899         Call mark_stmt_modified.
11900         (create_variable_info_for): If DECL has subvars, do not create
11901         variables for its subvars.  Always add all the fields.
11902         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11903         SFTs, then add all the SFTs of the structure.
11904         If VI->DECL is an aggregate with subvariables, add the SFT at
11905         VI->OFFSET.
11906         (find_what_p_points_to): If VI is an artificial variable,
11907         translate to bitfields in SSA_NAME_PTR_INFO.
11908         If the solution is empty, set pi->pt_vars to NULL
11909         (init_base_vars): Create ANYOFFSET.
11910         (compute_points_to_sets): Rename from create_alias_vars.
11911         Make extern.
11912         (pass_build_pta): Remove.
11913         (delete_points_to_sets): Rename from delete_alias_vars.
11914         (pass_del_pta): Remove.
11915         * tree-ssa-structalias.h (struct alias_info): Move from
11916         tree-ssa-alias.h.
11917         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11918         NUM_REFERENCES_SET): Likewise.
11919         (compute_points_to_sets, delete_points_to_sets): Declare.
11921 2005-07-09  Richard Henderson  <rth@redhat.com>
11923         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11924         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11925         alpha_split_lock_test_and_set_12): New functions.
11926         * config/alpha/alpha-protos.h: Update.
11927         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11928         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11929         * config/alpha/sync.md (I12MODE): New.
11930         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11931         (sync_<fetchop_name><I48MODE>): Likewise.
11932         (sync_nand<I48MODE>): Likewise.
11933         (sync_old_<fetchop_name><I48MODE>): Likewise.
11934         (sync_new_<fetchop_name><I48MODE>): Likewise.
11935         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11936         (sync_compare_and_swap<I48MODE>): Likewise.
11937         (sync_lock_test_and_set<I48MODE>): Likewise.
11938         (sync_compare_and_swap<I12MODE>): New.
11939         (sync_compare_and_swap<I12MODE>_1): New.
11940         (sync_lock_test_and_set<I12MODE>): New.
11941         (sync_lock_test_and_set<I12MODE>_1): New.
11943 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11945         PR 21356
11946         PR 22332
11947         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11949 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11951         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11952         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11954 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11956         PR target/21656
11957         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11959 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11961         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11962         memory_operand constraint.
11963         (store_conditional_<mode>): Same.
11964         (sync_compare_and_swap<mode>): Same.
11965         (sync_lock_test_and_set<mode>): Same.
11967 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11969         Rewrite PIC support to more closely model actual instructions.
11970         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11971         (cris_symbol): Remove prototypes for removed functions.
11972         (cris_pic_symbol_type_of, cris_valid_pic_const)
11973         (cris_expand_pic_call_address): Prototypes for new functions.
11974         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11975         variable.
11976         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11977         modifiers.
11978         <case ':'>: Add case for new punctuation character.
11979         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11980         emitting (extra) PIC modifier.
11981         <case UNSPEC>: Do not assert for PLT.
11982         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11983         (cris_expand_prologue, cris_expand_epilogue): Check
11984         for pic_offset_table_rtx usage instead of taking
11985         current_function_uses_pic_offset_table as the final word.
11986         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11987         Remove flag_pic difference.
11988         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11989         the moral equivalents of...
11990         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11991         functions.
11992         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11993         (cris_handle_option): Mark ARG as unused.
11994         (cris_expand_pic_call_address): New worker function for "call",
11995         "call_value".
11996         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11997         output PIC constructs here.
11998         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11999         as symbol-specific modifers, not whole or part of operands.
12000         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
12001         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
12002         constants and flag_pic.
12003         (CONSTANT_INDEX_P): Adjust for new functions.
12004         (enum cris_pic_symbol_type): New helper type.
12005         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
12006         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
12007         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
12008         define_constants.
12009         ("movsi"): Emit actual instructions for GOT and relative access.
12010         ("*movsi_got_load"): New pattern to set up the register holding
12011         the GOT pointer.
12012         ("*movsi_internal"): Operand 1 is not a plain general_operand.
12013         Adjust FIXME for 'S'.
12014         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
12015         Use "movs" for -fpic cases.
12016         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
12017         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
12018         ("call", "call_value"): Just call cris_expand_pic_call_address for
12019         PIC addresses.
12020         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
12021         Remove special pattern.
12022         ("*expanded_call_side", "*expanded_call_value_side"): New
12023         patterns.
12024         (gotplt-to-plt, gotplt-to-plt-side-call)
12025         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
12026         peephole2:s.
12027         * config/cris/cris/predicates.md
12028         ("cris_general_operand_or_gotless_symbol"): Remove unused
12029         predicate.
12030         ("cris_general_operand_or_symbol"): Adjust for new functions.
12032 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12034         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
12036 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
12038         * Makefile.in (TREE_H): Add treestruct.def.
12039         (c-decl.o): Add pointer-set.h
12040         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
12041         visibility on regular DECL's.
12042         (merge_decls): Fix the copying of decl nodes of various types for
12043         the new structures.  Don't update RTL, section name, weak status,
12044         etc, on DECL's without RTL.
12045         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
12046         Don't check volatile on non-variable types.
12047         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
12048         to check whether we have seen arguments.
12049         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
12050         flag is checked before field (flag is common, field is not).
12051         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
12052         TS_DECL_COMMON could have an origin.
12053         (add_location_or_const_value_attribute): Don't check section name
12054         on non-var/function decls.
12055         (dwarf2out_var_location): Reverse order of tests.
12056         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
12057         with DECL_WRTL_CHECK.
12058         * expmed.c (make_tree): rtl is now in decl_with_rtl.
12059         * fold-const.c (fold_binary): Don't check weakness on
12060         non-var/function decls.
12061         (tree_expr_nonzero_p): Ditto.
12062         (fold_checksum_tree): Use tree_decl_extra as sizeof
12063         buffer.
12064         * ggc-page.c (extra_order_size_table): Add sizes for
12065         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
12066         tree_field_decl.
12067         * gimplify.c (gimplify_bind_expr): Only set
12068         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
12069         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
12070         without RTL.
12071         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
12072         * langhooks.h (init_ts). New langhook.
12073         * passes.c (rest_of_decl_compilation): Reverse order of tests.
12074         * print-tree.c (print_node): Update to only print fields that
12075         exist in the structures the passed decl has.
12076         * toplev.c (wrapup_global_declarations): Don't reset
12077         DECL_DEFER_OUTPUT on DECL's that don't contain it.
12078         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
12079         * tree-inline.c (remap_decl): Ditto.
12080         * tree-outof-ssa.c (create_temp): Reverse order of tests.
12081         * tree-pretty-print.c (print_declaration): Don't print
12082         DECL_REGISTER on things that don't contain it.
12083         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
12084         non-var/function decls.
12085         * tree.c (tree_contains_struct): New structure.
12086         (init_priority_for_decl): New hashtable.
12087         (tree_int_map): New structure.
12088         (tree_int_map_eq): New function.
12089         (tree_int_map_marked_p): Ditto.
12090         (tree_int_map_hash): Ditto.
12091         (tree_map): Move to tree.h.
12092         (tree_map_eq): Externalize.
12093         (tree_map_hash): Ditto.
12094         (tree_map_marked_p): Ditto.
12095         (init_ttree): Set up tree_contains_struct and call langhook.
12096         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
12097         (tree_code_size): Update for new structures.
12098         (tree_node_structure): Update for new structures.
12099         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
12100         without the field.
12101         (copy_node_stat):  Copy init priority.
12102         (build_decl_stat): Ditto for visibility.
12103         (ts_enum_names): New.
12104         (tree_contains_struct_check_failed): New function.
12105         (decl_init_priority_lookup): Ditto.
12106         (decl_init_priority_insert): Ditto.
12107         * treestruct.def: New file.
12108         * tree.h (CODE_CONTAINS_STRUCT): New macro.
12109         (CONTAINS_STRUCT_CHECK): Ditto.
12110         (tree_contains_struct_check_failed): New prototype.
12111         (DECL_CHECK): Removed.
12112         (DECL_MINIMAL_CHECK): New.
12113         (DECL_COMMON_CHECK): Ditto.
12114         (DECL_WRTL_CHECK): Ditto.
12115         (DECL_NON_COMMON_CHECK): Ditto.
12116         (DECL_WITH_VIS_CHECK): Ditto.
12117         (VAR_OR_FUNCTION_DECL_P): Ditto
12118         (struct tree_decl_minimal): New structure.
12119         (struct tree_decl_common): Ditto.
12120         (struct tree_decl_with_rtl): Ditto.
12121         (struct tree_decl_with_vis): Ditto.
12122         (struct tree_decl_non_common): Ditto.
12123         (struct tree_field_decl): Ditto.
12124         (struct tree_parm_decl): Ditto.
12125         (struct tree_var_decl): Ditto.
12126         (struct tree_function_decl): Ditto.
12127         (struct tree_const_decl): Ditto.
12128         (struct tree_result_decl): Ditto.
12129         (union tree_node): Add new structures.
12130         * var-tracking.c (track_expr_p): Reverse order of tests.
12132         * doc/c-tree.texi: Add documentation on DECL node internal structure.
12134 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12136         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
12137         * system.h: Poison FINALIZE_PIC.
12138         * doc/tm.texi (FINALIZE_PIC): Remove.
12140 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12142         PR tree-opt/22329
12143         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
12144         to the correct type if we have a MODIFY_EXPR.
12146 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12148         PR tree-optimization/22360
12149         * tree.c (upper_bound_in_type): Fix calculations for casting
12150         to a non-wider signed type and casting a signed value to a
12151         wider unsigned type.
12152         (lower_bound_in_type): Fix calculations for casting to a
12153         non-wider signed type.
12155         PR tree-optimization/20139
12156         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
12157         release_defs.
12158         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
12159         fold_cond_expr_cond.
12160         * tree-ssanames.c (release_defs): Assert in_ssa_p.
12161         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
12163 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12165         PR tree-opt/22356
12166         * tree-complex.c (expand_complex_libcall): Produce
12167         REALPART_EXPR/IMAGPART_EXPR with the correct type.
12169 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
12171         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
12172         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
12173         b" assert and inserted fastpath code for this case.
12174         (bitmap_ior): Removed "a != b" assert.
12176 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12178         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
12179         (ENDFILE_SPEC): Likewise.
12180         * config/m32r/m32r.h (ASM_SPEC): Likewise.
12182         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
12183         a large stack frame at epilogue.
12185 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
12187         * final.c: Include sdbout.h when required.
12189 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
12191         * config.gcc (*-*-darwin*): Only one target-specific header file
12192         for generic darwin.
12193         (powerpc-*-darwin*): Add version-specific header files.
12194         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
12195         * config.in: Regenerate.
12196         * configure: Regenerate.
12197         * gcc.c: Include xregex.h.
12198         (version_compare_spec_function): New.
12199         (spec_function): Add version-compare.
12200         (replace_outfile_spec_function): Reformat comment.
12201         (compare_version_strings): New.
12202         * config/darwin-c.c (version_as_macro): New.
12203         (builtin_define): New.
12204         (darwin_cpp_builtins): New.
12205         * config/darwin-protos.h (darwin_cpp_builtins): New.
12206         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
12207         (LIB_SPEC): Make unconditional, update comment.
12208         (TARGET_C99_FUNCTIONS): Define.
12209         * config/darwin.opt: Sort.
12210         (mmacosx-version-min=): New.
12211         * config/darwin7.h: Delete.
12212         * config/darwin8.h: Delete.
12213         * config/i386/darwin.h (): Call darwin_cpp_builtins.
12214         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
12215         (TARGET_C99_FUNCTIONS): Define.
12216         * config/rs6000/darwin7.h: New.
12217         * config/rs6000/darwin8.h: New.
12218         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
12219         (-mmacosx-version-min): Document.
12221 2005-07-07  Ian Lance Taylor  <ian@airs.com>
12223         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
12225 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
12227         PR middle-end/22239
12228         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
12230 2005-07-07  Khem Raj  <kraj@mvista.com>
12232         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
12233         in bytes, not words.
12235 2005-07-07  Paul Brook  <paul@codesourcery.com>
12237         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
12238         DEFAULT_FUNCTION_ARG_PADDING to upward.
12240 2005-07-07  Richard Henderson  <rth@redhat.com>
12242         * function.c (locate_and_pad_parm): Record parameter alignment in
12243         stack_alignment_needed.
12245 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
12247         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
12248         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
12249         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
12250         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
12251         (define_attr "type"): Add isync, sync, load_l, store_c.
12252         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
12253         Create scratch volatile MEM.
12254         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
12255         sync.
12256         (load_locked_<mode>): New.
12257         (store_conditional_<mode>): New.
12258         (sync_compare_and_swap<mode>): Replace with splitter.
12259         (sync_lock_test_and_set<mode>): Replace with splitter.
12260         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
12261         and UNSPECV_ISYNC.
12262         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
12263         is ics.  Attribute isync.
12264         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
12265         lwsync.
12266         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
12267         and UNSPECV_SYNC_OP.
12268         (emit_unlikely_jump): New.
12269         (emit_load_locked): New.
12270         (emit_store_conditional): New.
12271         (rs6000_split_compare_and_swap): New.
12272         (rs6000_split_lock_test_and_set): New.
12273         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
12274         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
12275         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
12276         rs6000_split_lock_test_and_set): Declare.
12277         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
12278         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
12279         store_c, isync, sync.
12281 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
12283         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
12284         filenames to gtyp-gen.h.
12285         (s-typ-gen): Use it in place of for loops.
12287 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
12289         * hooks.c (hook_bool_rtx_int_false): New function.
12290         * hooks.h (hook_bool_rtx_int_false): Declare.
12291         * target-def.h (TARGET_COMMUTATIVE_P): Define.
12292         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12293         * target.h (struct gcc_target): Add commutative_p member.
12294         * targhooks.c (hook_bool_rtx_commutative_p): New function.
12295         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
12296         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
12297         (pa_commutative_p): New function.
12298         * jump.c (target.h): Include.
12299         (rtx_renumbered_equal_p): Use targetm.commutative_p.
12300         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12302 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12304         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12305         (s390_expand_setmem): New.
12306         * config/s390/s390.c: Likewise.
12307         (print_shift_count_operand): Truncate to 12 bits instead of 6.
12308         Adapt comments.
12309         * config/s390/s390.md: ("setmem<mode>"): Accept character as
12310         general_operand.  Call new function "s390_expand_setmem".
12311         ("clrmem_long", "*clrmem_long"): Rewrite to ...
12312         ("setmem_long", "*setmem_long"): ... this.
12314 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12316         * config/s390/s390.c: (optimization_options): Enable
12317         TARGET_MVCLE at -Os.
12318         * doc/invoke.texi: Document changes in default behaviour.
12319         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12321 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12323         * expr.c: (set_storage_via_setmem): Convert opchar to mode
12324         defined by back-end.
12326 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
12328         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12329         all sets in the pattern.
12330         * config/rs6000/rs6000.md (stack_protect_testsi,
12331         stack_protect_testdi): Likewise.
12333 2005-07-06  Jeff Law  <law@redhat.com>
12335         * tree-vrp.c (simplify_using_ranges): Kill.
12336         (vrp_finalize): Remove call to simplify_using_ranges.
12337         (simplify_stmt_using_ranges): New function extracted from
12338         simplify_using_ranges.
12339         (simplify_div_or_mod_using_ranges): Likewise.
12340         (simplify_abs_using_ranges): Likewise.
12341         (simplify_cond_using_ranges): New function.
12342         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12343         * tree-ssa-propagate.c (substitute_and_fold): Call
12344         simplify_stmt_using_ranges if we have range information.
12346 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
12348         * config/ia64/ia64.c (ia64_reorg): Check optimize before
12349         ia64_flag_schedule_isns2.
12351         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12352         reading/writing general registers.
12353         (ia64_function_arg): Revert 2005-06-18 change.
12355 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
12357         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12358         (legitimize_tls_address): Use gcc_unreachable instead of abort.
12360 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
12362         * function.c (expand_function_end): Revert part of 2005-06-27
12363         patch.  Do sjlj_emit_function_exit_after after return_label.
12365 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12367         * doc/install.texi (--disable-libssp): New.
12369 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
12371         * doc/invoke.texi: Update -fforce-mem documentation.
12372         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12373         code for -fforce-mem.
12374         * expmed.c: (store_bit_field,store_fixed_bit_field,
12375         extract_bit_field): Ditto.
12376         * expr.c: (convert_move): Ditto.
12377         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12378         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12379         emit_conditional_add,expand_float,expand_fix): Ditto.
12380         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12381         (common_handle_option): Issue warning when -fforce-mem specified.
12383 2005-07-06  Paul Brook  <paul@codesourcery.com>
12385         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12386         argument is empty.
12387         * configure: Regenerate.
12389 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
12391         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12393 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
12395         Fix PR tree-optimization/22319
12396         Fix PR tree-optimization/22140
12397         Fix PR tree-optimization/22310
12399         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12400         variable sized types.
12401         Use correct type for intermediate structure on *a = *b structure
12402         copies.
12404 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12406         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12407         Remove.
12408         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12409         (machine_function): Move typedef to...
12410         * config/rs6000/rs6000.c (machine_function): ... here.  Add
12411         varargs_save_offset field.
12412         (rs6000_stack_t): Remove varargs_size field.
12413         (setup_incoming_varargs): Allocate varargs save area using
12414         assign_stack_local, try to make it as small as possible.
12415         Save offset from virtual_stack_vars_rtx to the save area
12416         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
12417         instead of magic 8 when fp word byte size is used.
12418         (rs6000_va_start): Use cfun->machine->varargs_save_offset
12419         instead of -RS6000_VARARGS_SIZE.
12420         (rs6000_stack_info, debug_stack_info,
12421         rs6000_initial_elimination_offset): Remove all traces of
12422         varargs_size.
12423         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12424         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12425         RS6000_VARARGS_AREA.
12427 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
12429         PR tree-optimization/21963
12430         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12431         constant_multiple_of in the same way get_computation_cost_at does.
12433 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12435         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12436         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12437         (gen_compare_reg): If sparc_compare_emitted is set, clear it
12438         and return its previous value.
12439         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12440         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12441         constants.
12442         (stack_protect_set, stack_protect_test): New expanders.
12443         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12444         stack_protect_testdi): New insns.
12445         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12446         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12448 2005-07-06  Jeff Law  <law@redhat.com>
12450         * tree-ssa-dce.c (cfg_altered): New global.
12451         (tree_dce_init): Initialize cfg_altered.
12452         (remove_dead_stmt): If we remove an edge in the CFG, then set
12453         CFG_ALTERED.
12454         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12455         the dominators.
12457 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12459         * Makefile.in (stamp-collect-ld): Use
12460         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
12461         ./collect-ld if it already exists.
12462         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12463         Don't remove ./nm if it already exists.
12465 2005-07-05  Devang Patel  <dpatel@apple.com>
12467         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12468         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12469         * tree-vectorizer.c (vect_loop_location): New.
12470         (vect_print_dump_info): Use vect_loop_location.
12471         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12472         (vectorize_loops): Set vect_loop_location.
12473         * tree-vect-analyze.c (vect_analyze_offset_expr,
12474         vect_determin_vectorization_factor, vect_analyze_operations,
12475         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12476         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12477         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12478         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12479         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12480         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12481         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12482         vect_analyze_loop): Adjust vect_print_dump_info API.
12483         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12484         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12485         vect_finish_stmt_generation, vectorizable_assignment,
12486         vectorizable_operation, vectorizable_store, vectorizable_load,
12487         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12488         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12489         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12490         vect_transform_loop): Same.
12491         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12492         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12493         Same.
12495 2005-07-05  Randolph Chung  <tausq@debian.org>
12497         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12498         * configure: Regenerate.
12499         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12500         (pa_tls_referenced_p): Declare.
12501         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12502         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12503         (legitimize_tls_address): New.
12504         (hppa_legitimize_address): Handle TLS addresses.
12505         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12506         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12507         (emit_move_sequence): Handle TLS addresses.
12508         (pa_encode_section_info): Call default handler to handle common
12509         sections.
12510         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12511         (CONSTANT_ADDRESS_P): Reject TLS operands.
12512         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12513         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12514         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12515         (UNSPEC_TLSLE): Define new constants.
12516         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12517         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12518         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12519         (tie_symbolic_operand, tle_symbolic_operand): New
12521 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
12523         * aclocal.m4: Update macros for autoconf 2.59 style.
12524         * configure.ac: Likewise.
12526 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12528         * pa.c (function_value): Handle small aggregates on 32-bit targets.
12529         (function_arg): Pass small aggregates in general registers on 32-bit
12530         targets.
12531         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12533 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
12535         * Makefile.in (final.o): Fix dependencies.
12537 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12539         PR c/22013
12540         PR c/22098
12541         * langhooks.h (struct lang_hooks): Add expr_to_decl.
12542         * langhooks.c (lhd_expr_to_decl): New.
12543         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12544         New.
12545         (LANG_HOOKS_INITIALIZER): Update.
12546         * tree.c (recompute_tree_invarant_for_addr_expr): Call
12547         expr_to_decl langhook.
12548         * c-tree.h (c_expr_to_decl): Declare.
12549         * c-typeck.c (c_expr_to_decl): New.
12550         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12551         specially.
12552         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12554 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12556         PR c/22308
12557         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12558         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12560 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
12562         * Makefile.in: Adjust dependencies.
12563         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12564         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12565         * alias.c (rest_of_handle_cfg, pass_cfg): New.
12566         * bb-reorder.c (duplicate_computed_gotos): Make it static.
12567         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12568         rest_of_compilation.
12570         * bb-reorder.c (gate_duplicate_computed_gotos,
12571         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12572         rest_of_handle_reorder_blocks, pass_reorder_blocks,
12573         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12574         pass_partition_blocks): New.
12575         * bt-load.c (gate_handle_branch_target_load_optimize,
12576         rest_of_handle_branch_target_load_optimize,
12577         pass_branch_target_load_optimize): New.
12578         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12579         pass_jump2): New.
12580         * cfglayout.c (pass_insn_locators_initialize): New.
12581         * cfgrtl.c (pass_free_cfg): New.
12582         * combine.c (gate_handle_combine, rest_of_handle_combine,
12583         pass_combine): New.
12584         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12585         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12586         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12587         * except.c (pass_set_nothrow_function_flags,
12588         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12589         pass_rtl_eh): New.
12590         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12591         rest_of_handle_shorten_branches, pass_shorten_branches,
12592         rest_of_clean_state, pass_clean_state): New.
12593         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12594         rest_of_handle_remove_death_notes, pass_remove_death_notes,
12595         rest_of_handle_life, pass_life, rest_of_handle_flow2,
12596         pass_flow2): New.
12597         * function.c (pass_instantiate_virtual_regs, pass_init_function,
12598         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12599         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12600         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12601         pass_gcse): New.
12602         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12603         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12604         pass_rtl_ifcvt, gate_handle_if_after_combine,
12605         rest_of_handle_if_after_combine, pass_if_after_combine,
12606         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12607         pass_if_after_reload): New.
12608         * integrate.c (pass_initial_value_sets): New.
12609         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12610         pass_purge_lineno_notes): New.
12611         * mode-switching.c (rest_of_handle_mode_switching,
12612         pass_mode_switching): New.
12613         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12614         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12615         pass_loop2): New.
12616         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12617         pass_loop_optimize): New.
12618         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12619         pass_sms): New.
12620         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12621         pass_gcse2): New.
12622         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12623         pass_postreload_cse): New.
12624         * profile.c (gate_handle_profiling, pass_profiling,
12625         rest_of_handle_branch_prob, pass_branch_prob): New.
12626         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12627         pass_split_before_regstack, gate_handle_split_before_regstack,
12628         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12629         rest_of_handle_split_all_insns, pass_split_all_insns): New.
12630         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12631         pass_stack_regs): New.
12632         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12633         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12634         pass_stack_adjustments): New.
12635         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12636         pass_regrename): New.
12637         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12638         pass_delay_slots, gate_handle_machine_reorg,
12639         rest_of_handle_machine_reorg, pass_machine_reorg): New.
12640         * rtl.h (extern void purge_line_number_notes): New.
12641         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12642         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12643         pass_sched2): New.
12644         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12645         pass_tracer): New.
12646         * value-prof.c (gate_handle_value_profile_transformations,
12647         rest_of_handle_value_profile_transformations,
12648         pass_value_profile_transformations): New.
12649         * var-tracking.c (gate_handle_var_tracking,
12650         pass_variable_tracking): New.
12651         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12653         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12654         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12655         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12656         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12657         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12658         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12659         rest_of_handle_gcse2, rest_of_handle_regmove,
12660         rest_of_handle_tracer, rest_of_handle_if_conversion,
12661         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12662         rest_of_handle_web, rest_of_handle_branch_prob,
12663         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12664         rest_of_handle_jump_bypass, rest_of_handle_combine,
12665         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12666         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12667         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12668         rest_of_handle_mode_switching, rest_of_handle_jump,
12669         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12670         rest_of_handle_flow2, rest_of_handle_jump2,
12671         rest_of_handle_peephole2, rest_of_handle_postreload,
12672         rest_of_handle_shorten_branches, rest_of_clean_state,
12673         rest_of_compilation): Remove.
12675         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12676         * passes.c (dump_flags, in_gimple_form, all_passes,
12677         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12678         register_dump_files, next_pass_1, last_verified, execute_todo,
12679         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12680         from tree-optimize.c.
12681         (init_optimization_passes): Moved from tree-optimize.c,
12682         adding the RTL optimizations.
12683         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12684         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12685         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12686         register_dump_files, next_pass_1, last_verified, execute_todo,
12687         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12688         init_tree_optimization_passes, ipa_passes): Delete.
12689         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12690         the RTL dumps.
12691         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12692         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12693         from tree.h.
12694         (ipa_passes): Remove.
12695         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12696         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12697         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12698         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12699         (dump_info_p, dump_flag): Moved to tree-dump.h.
12701         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12702         cgraph.c, opts.c.
12703         * passes.c (finish_optimization_passes): Use dump_begin
12704         and dump_end, TDI_end.
12705         (gate_rest_of_compilation): New.
12706         (pass_rest_of_compilation): Use it.
12707         (gate_postreload, pass_postreload): New.
12708         * toplev.c (general_init): Rename init_tree_optimization_passes.
12709         * toplev.h (init_tree_optimization_passes): Rename to
12710         init_optimizations_passes.
12711         * tree-dump.c (dump_flag): Make static.
12712         (dump_files): Remove RTL dumps.
12713         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12714         pass_cleanup_cfg, pass_free_cfg_annotations,
12715         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12716         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12717         * tree-pretty-print.c: Include tree-pass.h.
12718         * cgraph.c: Include tree-dump.h.
12720 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12722         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12723         Only fall back to saying it points to readonly memory if
12724         we can't do better.
12726 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12728         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12729         * config/m32r/m32r.c (m32r_compute_frame_size,
12730         m32r_expand_prologue): Take current_function_profile into
12731         account whenever we reference
12732         current_function_uses_pic_offset_table.
12733         (m32r_finalize_pic): Remove.
12734         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12736 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12738         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12739         instead of $<.  Don't remove ./as if it already exists.
12741 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12743         PR target/21723
12744         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12745         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12746         for complex modes when generating code for PA 1.0.
12747         (VALID_FP_MODE_P): New macro.
12748         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12749         sets for all general and floating point modes.  Align wide floating
12750         point modes to even register boundaries to comply with architectural
12751         requirements.
12752         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12753         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12754         (VALID_FP_MODE_P): New macro.
12755         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12756         sets for all general and floating point modes.  Align wide floating
12757         point modes to even register boundaries to comply with architectural
12758         requirements.
12760 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12762         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12763         to 0.
12765 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12767         * tree-ssa-structalias.c: Don't include expr.h.
12769 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12771         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12772         comments.
12774 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12776         Fix PR tree-optimization/22279
12778         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12779         correct operator.
12781 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12783         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12785 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12787         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12788         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12789         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12790         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12791         config/stormy16/stormy16.c, config/v850/v850.c,
12792         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12793         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12794         Avoid "." or "\n" at end of diagnostics and capital letters at
12795         start of diagnostics.
12796         * combine.c, cse.c: Don't translate dump file output.
12797         * toplev.c (print_version): Only translate output if going to
12798         stderr.
12800 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12802         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12803         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12804         typos.
12806 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12808         * pa.c (fix_range): Fix typo in comment.
12810 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12812         * tree-vrp.c (extract_range_from_assert): Replace
12813         fold (build (...)) with fold_build2.
12815 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12817         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12818         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12819         (format_types_orig, handle_format_attribute): Add support for
12820         format "gcc_gfc".
12822 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12824         * varasm.c (assemble_variable): Fix format specifier thinko.
12826 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12828         PR tree-optimization/22029 (and 22135)
12829         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12830         a phi node before calling dump_vops.
12832 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12834         * tree-dump.h (dump_string_field): Declare.
12835         * tree-dump.c: Use it instead of dump_string.
12836         (dump_string_field): Make non-static.
12838 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12840         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12841         up the minimal CFG stuff always when optimize > 0.  Call
12842         split_all_insns_noflow in PIC case if needed.
12844 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12845             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12847         PR c++/18279
12848         * c-decl.c (c_write_global_declarations): Dump contents of
12849         external scope to.
12850         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12851         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12852         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12853         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12854         is enabled.
12856 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12858         * c-common.h (GCC_DIAG_STYLE): Define.
12859         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12860         version for format checking to 4.1.
12861         * c-format.c: Include toplev.h after c-common.h.
12862         (enum format_type): Add gcc_tdiag_format_type.
12863         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12864         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12865         (format_types_orig): Add gcc_tdiag.
12866         (init_dynamic_diag_info): Support gcc_tdiag formats.
12867         (handle_format_attribute): Likewise.
12868         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12869         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12870         version for format checking to 4.1.
12871         (warning0, warning, error, pedwarn, sorry): Use
12872         ATTRIBUTE_GCC_DIAG.
12873         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12874         (finish_aliases_1): Do not use %qE.
12875         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12876         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12877         Correct format bugs.
12878         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12879         parameter to unsigned HOST_WIDE_INT.
12880         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12882 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12884         PR middle-end/21742
12885         * expr.c (write_complex_part): Use adjust_address for MEM.
12886         (read_complex_part): Same.
12888 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12890         Fix PR tree-optimization/22280
12892         * tree-sra.c (generate_element_init): Remove useless loop.
12894 2005-07-02  Richard Henderson  <rth@redhat.com>
12896         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12897         TLS_MODEL_NONE.
12898         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12900 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12902         PR middle-end/14490
12903         * fold-const.c (fold_binary): Handle the return value of
12904         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12905         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12907 2005-07-02  Jeff Law  <law@redhat.com>
12909         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12910         a eliminate type conversion which feeds an equality comparison
12911         if the original type or either operand in the comparison is a
12912         function pointer.
12914 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12916         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12917         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12918         texts.
12919         * config/avr/avr.c: Do not use '`' as left quote.
12920         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12921         Remove "." from end of diagnostics.  Make diagnostics start with
12922         lowercase letter.
12924 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12925             Joseph S. Myers  <joseph@codesourcery.com>
12927         * toplev.c (default_tree_printer): Handle setting location with
12928         '+' flag.
12929         * c-objc.common.c (c_tree_printer): Likewise.
12930         * c-format.c (gcc_diag_flag_specs): Add '+'.
12931         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12932         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12933         formats.
12934         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12935         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12936         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12937         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12938         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12939         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12940         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12941         format arguments where %J is used without %D.
12943 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12945         * gcc.c (LINK_SSP_SPEC): Define.
12946         (link_ssp_spec): New variable.
12947         (LINK_COMMAND_SPEC): Add %(link_ssp).
12948         (static_specs): Add link_ssp_spec.
12949         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12950         * configure: Rebuilt.
12951         * config.in: Rebuilt.
12953         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12954         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12955         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12956         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12957         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12958         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12959         -0x7008(2) instead of reading __stack_chk_guard variable.
12960         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12961         number.
12962         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12963         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12964         if TARGET_THREAD_SSP_OFFSET is defined.
12965         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12966         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12968         Revert:
12969         2005-06-27  Richard Henderson  <rth@redhat.com>
12970         * libgcc-std.ver (GCC_4.1.0): New.
12971         * libgcc.h (__stack_chk_guard): Declare.
12972         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12973         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12974         * mklibgcc.in (lib2funcs): Add them.
12976 2005-07-01  Richard Henderson  <rth@redhat.com>
12978         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12979         void * before struct sigcontext *.
12980         (x86_fallback_frame_state): Likewise.
12982 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12984         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12986 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12988         PR tree-opt/22269
12989         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12990         we check for SSA_NAME for.
12992 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12994         Fix PR tree-optimization/22071
12996         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12997         function.
12998         (get_constraint_for_component_ref): Use it.
13000 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
13002         PR other/22264
13003         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
13004         print out the last new line.
13006 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
13008         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
13009         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
13010         * config/cris/cris.c (cris_conditional_register_usage): Adjust
13011         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
13012         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
13013         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
13014         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
13015         (enum reg_class): New member CC0_REGS.
13016         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
13017         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
13018         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
13019         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
13020         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
13021         Adjust for register now described.
13023 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
13025         PR target/22262
13026         * config/i386/i386.md (stack_protect_test_si,
13027         stack_protect_test_di): Add earlyclobber for scratch 3.
13028         * config/rs6000/rs6000.md (stack_protect_testsi,
13029         stack_protect_testdi): Add earlyclobber for scratch 3,
13030         remove earlyclobber from scratch 4.
13032 Older entries for 2005 can be found in ChangeLog-2005.