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1 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
2
3         * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4         Remove.
5         * basic-block.h: Remove the extern for
6         rediscover_loops_after_threading.
7
8         * cfgloop.c (cancel_loop): Make it static.
9         * cfgloop.h: Remove the prototype for cancel_loop.
10
11         * flow.c (recompute_reg_usage): Make it static.
12         * rtl.h: Remove the prototype for recompute_reg_usage.
13
14 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
15
16         * recog.c (volatile_mem_p, validate_change_maybe_volatile):
17         Remove.
18         * recog.h: Remove the prototype for
19         validate_change_maybe_volatile.
20
21 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
22
23         * rtlanal.c (replace_reg): Remove.
24         * rtl.h: Remove the prototype for replace_reg.
25
26 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
27
28         * regclass.c (reg_scan_update): Remove.
29         (reg_scan_mark_refs): Remove the last argument.
30         * rtl.h: Remove the prototype for reg_scan_update.
31
32 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
33
34         * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
35         combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
36         config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
37         config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
38         df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
39         loop-invariant.c, omp-low.c, opts.c, passes.c,
40         rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
41         tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
42         tree-ssa-structalias.c, tree-ssa-threadedge.c,
43         tree-ssa-threadupdate.c, tree-vect-patterns.c,
44         tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
45         unwind-dw2.c: Fix comment typos.  Follow spelling conventions.
46
47 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
48
49         * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
50         * dwarf2out.h: Remove the prototype for
51         dwarf2out_add_library_unit_info.
52
53 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
54
55         * tree.c (add_var_to_bind_expr): Remove.
56         * tree.h: Remove the prototype for add_var_to_bind_expr.
57
58 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
59
60         * regclass.c (n_non_fixed_regs): Remove.
61         (init_reg_sets_1, globalize_reg): Remove all uses of
62         n_non_fixed_regs.
63         * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
64
65 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
66
67         * rtlanal.c (insns_safe_to_move_p): Remove.
68         * rtl.h: Remove the prototype for insns_safe_to_move_p.
69
70 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
71
72         * expmed.c (expand_mult_add): Remove.
73         * expr.h: Remove the prototype for expand_mult_add.
74
75 2006-03-04  Jakub Jelinek  <jakub@redhat.com>
76
77         * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
78         and REG_SAVED_VAL_EXP constants.
79         * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
80         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
81         Handle regs stored by value.
82         (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
83         (execute_cfa_program): Handle DW_CFA_val_offset,
84         DW_CFA_val_offset_sf and DW_CFA_val_expression.
85         (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
86         value specially.  Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
87         (uw_install_context_1): Handle target regs stored by value.
88
89 2006-03-03  Daniel Berlin  <dberlin@dberlin.org>
90
91         * tree-sra.c (tree_sra): Return todoflags;
92         (generate_one_element): Set TODO_update_smt_usage if needed.
93         (pass_sra): Remove TODO_update_smt_usage.
94         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
95         parameter.
96         (tree_ssa_forward_propagate_single_use_vars): Return
97         TODO_update_smt_usage if we need to update SMT usage.
98         (pass_forwprop): Remove TODO_update_smt_usage.
99         
100 2006-03-03  Diego Novillo  <dnovillo@redhat.com>
101
102         * tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
103         (correct_use_link): Remove reference to get_stmt_operands.
104         (update_stmt_operands): Likewise.
105         (get_modify_expr_operands): New function factored out of
106         parse_ssa_operands and get_expr_operands.
107         Try to create V_MUST_DEFs for LHS by default.
108         (get_expr_operands) <case MODIFY_EXPR>: Call
109         get_modify_expr_operands.
110         <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
111         <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
112         (parse_ssa_operands) <case MODIFY_EXPR>: Call
113         get_modify_expr_operands.
114
115 2006-03-03  Kazu Hirata  <kazu@codesourcery.com>
116
117         * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
118         * tree-flow.h: Remove the prototype for
119         referenced_var_lookup_if_exists.
120
121 2006-03-03  Steve Ellcey  <sje@cup.hp.com>
122
123         PR rtl-optimization/26345
124         PR target/19061
125         * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
126
127 2006-03-03  Roger Sayle  <roger@eyesopen.com>
128
129         PR tree-optimization/26524
130         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
131         fold_convert to create a constant of the appropriate type.
132
133 2006-03-03  Richard Sandiford  <richard@codesourcery.com>
134
135         * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
136         SYMBOL_REF_IN_BLOCK_P.
137         * doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
138         of SYMBOL_FLAG_IN_BLOCK.
139         * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
140         instead of SYMBOL_REF_IN_BLOCK_P.
141         * explow.c (use_anchored_address): Likewise.
142         * rtl.c (rtx_size): Likewise.
143         * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
144         instead of SYMBOL_FLAG_IN_BLOCK.
145         (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
146         SYMBOL_REF_IN_BLOCK_P.
147         (assemble_variable): Likewise.
148         (output_constant_def_contents): Likewise.
149         (output_constant_pool): Likewise.
150         (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
151         instead of SYMBOL_FLAG_IN_BLOCK.
152         * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
153         SYMBOL_REF_IN_BLOCK_P.
154         (SYMBOL_REF_BLOCK): Likewise.
155         (SYMBOL_REF_OFFSET): Likewise.
156         (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
157         SYMBOL_REF_IN_BLOCK_P.
158         (SYMBOL_FLAG_IN_BLOCK): Replace with...
159         (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
160         (SYMBOL_REF_IN_BLOCK_P): Replace with...
161         (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
162
163 2006-03-03  Jakub Jelinek  <jakub@redhat.com>
164
165         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
166
167 2006-03-02  Roger Sayle  <roger@eyesopen.com>
168
169         * simplify-rtx.c (simplify_unary_operation): When simplifying
170         (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
171         that we perform the right shift in the appropriate mode, and
172         then extend or truncate the result to requested mode.
173
174 2006-03-03  Zdenek Dvorak <dvorakz@suse.cz>
175
176         * gengtype.c (main): Handle double_int type.
177         * tree.h (struct tree_int_cst): Make type of int_cst double_int.
178         * double-int.c: New file.
179         * double-int.h: New file.
180         * system.h: Include doubleint.h.
181         * Makefile.in (SYSTEM_H): Include double-int.h.
182         (double-int.o): Add.
183
184 2006-03-03  Joseph S. Myers  <joseph@codesourcery.com>
185
186         PR bootstrap/26478
187         * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
188         copying over it.
189
190 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
191
192         * tree-vrp.c (remove_range_assertions): Do not update statements
193         unnecessarily.
194
195 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
196
197         * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
198         cleanup.
199         * gcse.c (rest_of_handle_gcse): Ditto.
200         * except.c (gate_handle_eh): Ditto.
201         * cfgcleanup.c (rest_of_handle_jump2): Ditto.
202         * basic-block.h (CLEANUP_PRE_LOOP): Remove.
203
204 2006-03-02  Eric Christopher  <echristo@apple.com>
205
206         * config/i386/i386.c (machopic_output_stub): Add indirection to
207         jump.
208
209 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
210
211         * loop.c: Removed.
212
213 2006-03-02  David S. Miller  <davem@sunset.davemloft.net>
214
215         Sun Niagara specific optimizations.
216         * config.gcc: Recognize niagara as target.
217         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
218         (TARGET_CPU_niagara): Define.
219         (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
220         (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
221         (CPP_CPU_SPEC): Handle -mcpu=niagara.
222         (ASM_CPU_SPEC): Likewise.
223         (PROCESSOR_NIAGARA): New enum entry.
224         (REGISTER_MOVE_COST): Handle Niagara.
225         (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
226         * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
227         (sparc_override_options): Recognize "niagara", set appropriate
228         default MASK_* values for it, and align functions to 32-bytes
229         by default just like ULTRASPARC/ULTRASPARC3.
230         (sparc_initialize_trampoline): Handle niagara like ultrasparc.
231         (sparc64_initialize_trampoline): Likewise.
232         (sparc_use_sched_lookahead): Use zero for niagara.
233         (sparc_issue_rate): Use one for niagara.
234         * config/sparc/niagara.md: New file.
235         * config/sparc/sparc.md: Include it.
236         * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
237         ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
238         when default cpu is niagara.
239         (CPP_CPU_SPEC): Handle -mcpu=niagara.
240         (ASM_CPU_SPEC): Likewise.
241         * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
242         when default cpu is niagara.
243         (ASM_CPU_SPEC): Handle -mcpu=niagara.
244         * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
245         just like v9/ultrasparc/ultrasparc3.
246         * doc/invoke.texi: Add documentation for "niagara" and improve
247         existing documentation for ultrasparc variants.
248
249 2006-03-02  Diego Novillo  <dnovillo@redhat.com>
250
251         * tree-ssa-operands.c (update_stmt_operands): Update documentation.
252
253 2006-03-02  Richard Sandiford  <richard@codesourcery.com>
254
255         * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
256         (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
257         and say that only one is needed.
258         * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
259         * target.h (have_switchable_bss_sections): New hook.
260         * explow.c (use_anchored_address): Check that the symbol is in a block.
261         * varasm.c (tls_comm_section, comm_section, lcomm_section)
262         (bss_noswitch_section): New variables.
263         (get_unnamed_section): Add SECTION_UNNAMED to the flags.
264         (get_noswitch_section): New function.
265         (get_block_for_section): Allow SECT to be null.
266         (unlikely_text_section_p): Use SECTION_STYLE.
267         (bss_initializer_p): New function.
268         (get_variable_section): Move earlier in file.  Take a new argument,
269         prefer_noswitch_p.  Move bss checks from assemble_variable to here.
270         Return one of the new *_sections in such cases.
271         (get_block_for_decl): New function, extracting some logic from
272         use_blocks_for_decl_p.
273         (change_symbol_section): Remove in favor of...
274         (change_symbol_block): ...this new function.
275         (use_blocks_for_decl_p): Remove checks now performed by
276         get_block_for_decl.
277         (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
278         (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
279         (emit_local, emit_bss, emit_common): ...these new functions.
280         Return true if the alignment was honored.
281         (emit_tls_common): New function.
282         (asm_emit_uninitialised): Delete.
283         (assemble_variable_noswitch): New function, split out from...
284         (assemble_variable): ...here.  Don't make decisions about common
285         variables here.  Globalize all public decls that go into non-common
286         sections.  Check whether SYMBOL_REF_BLOCK is null.
287         (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
288         (output_constant_pool): Likewise.
289         (init_varasm_once): Initialize the new section variables.
290         (have_global_bss_p): New function.
291         (categorize_decl_for_section): Use bss_initializer_p.
292         (switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
293         (place_block_symbol): Assert that the symbol must be in a block.
294         * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
295         (TARGET_INITIALIZER): Include it.
296         * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
297         * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
298         (SECTION_MACH_DEP): Bump by two.
299         (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
300         (unnamed_section): Mention SECTION_UNNAMED in comment.
301         (named_section): Likewise SECTION_NAMED.
302         (noswitch_section_callback): New type.
303         (noswitch_section): New structure.
304         (section): Add a noswitch_section alternative.
305         (SECTION_STYLE): New macro.
306         (tls_comm_section, comm_section, lcomm_section): Declare.
307         (bss_noswitch_section, have_global_bss_p): Declare.
308         * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
309         * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
310         Override.
311         * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
312         * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
313         Override.
314
315 2006-03-02  Daniel Berlin <dberlin@dberlin.org>
316
317         * gcc/tree-vrp.c (execute_vrp): Return value.
318         * gcc/regrename.c (rest_of_handle_regrename): Ditto.
319         * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
320         * gcc/tree-complex.c (tree_lower_complex): Ditto.
321         (tree_lower_complex_O0): Ditto.
322         * gcc/tracer.c (rest_of_handle_tracer): Ditto.
323         * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
324         * gcc/postreload.c (rest_of_handle_postreload): Ditto.
325         * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
326         (execute_tail_calls): Ditto.
327         * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
328         * gcc/tree.h (init_function_for_compilation): Ditto.
329         * gcc/ipa-cp.c (ipcp_driver): Ditto.
330         * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
331         * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
332         * gcc/final.c (compute_alignments): Ditto.
333         (rest_of_handle_final): Ditto.
334         (rest_of_handle_shorten_branches): Ditto.
335         (rest_of_clean_state): Ditto.
336         * gcc/omp-low.c (execute_expand_omp): Ditto.
337         (execute_lower_omp): Ditto.
338         * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
339         * gcc/ipa-reference.c (static_execute): Ditto.
340         * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
341         * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
342         (rest_of_handle_machine_reorg): Ditto.
343         * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
344         * gcc/flow.c (recompute_reg_usage): Ditto.
345         (rest_of_handle_remove_death_notes): Ditto.
346         (rest_of_handle_life): Ditto.
347         (rest_of_handle_flow2): Ditto.
348         * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
349         * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
350         (do_ssa_store_ccp): Ditto.
351         (execute_fold_all_builtins): Ditto.
352         * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
353         * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
354         * gcc/ipa-pure-const.c (static_execute): Ditto.
355         * gcc/cse.c (rest_of_handle_cse): Ditto.
356         (rest_of_handle_cse2): Ditto.
357         * gcc/web.c (rest_of_handle_web): Ditto.
358         * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
359         * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
360         * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
361         * gcc/tree-nrv.c (tree_nrv): Ditto.
362         (execute_return_slot_opt): Ditto.
363         * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
364         (create_structure_vars): Ditto.
365         * gcc/loop-init.c (rtl_loop_init): Ditto.
366         (rtl_loop_done): Ditto.
367         (rtl_move_loop_invariants): Ditto.
368         (rtl_unswitch): Ditto.
369         (rtl_unroll_and_peel_loops): Ditto.
370         (rtl_doloop): Ditto.
371         * gcc/gimple-low.c (lower_function_body): Ditto.
372         (mark_used_blocks): Ditto.
373         * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
374         * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
375         (cgraph_early_inlining): Ditto.
376         * gcc/global.c (rest_of_handle_global_alloc): Ditto.
377         * gcc/jump.c (cleanup_barriers): Ditto.
378         (purge_line_number_notes): Ditto.
379         * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
380         (rest_of_handle_if_after_reload): Ditto.
381         * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
382         (tree_ssa_loop_im): Ditto.
383         (tree_ssa_loop_unswitch): Ditto.
384         (tree_vectorize): Ditto.
385         (tree_linear_transform): Ditto.
386         (tree_ssa_loop_ivcanon): Ditto.
387         (tree_ssa_empty_loop): Ditto.
388         (tree_ssa_loop_bounds): Ditto.
389         (tree_complete_unroll): Ditto.
390         (tree_ssa_loop_prefetch): Ditto.
391         (tree_ssa_loop_ivopts): Ditto.
392         (tree_ssa_loop_done): Ditto.
393         * gcc/predict.c (tree_estimate_probability): Ditto.
394         * gcc/recog.c (split_all_insns_noflow): Ditto.
395         (rest_of_handle_peephole2): Ditto.
396         (rest_of_handle_split_all_insns): Ditto.
397         * gcc/tree-eh.c (lower_eh_constructs): Ditto.
398         * gcc/regmove.c (rest_of_handle_regmove): Ditto.
399         (rest_of_handle_stack_adjustments): Ditto.
400         * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
401         * gcc/function.c (instantiate_virtual_regs): Ditto.
402         (init_function_for_compilation): Ditto.
403         (rest_of_handle_check_leaf_regs): Ditto.
404         * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
405         (rest_of_handle_gcse): Ditto.
406         * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
407         * gcc/alias.c (rest_of_handle_cfg): Ditto.
408         * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
409         * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
410         * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
411         * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
412         * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
413         * gcc/tree-dfa.c (find_referenced_vars): Ditto.
414         * gcc/except.c (set_nothrow_function_flags): Ditto.
415         (convert_to_eh_region_ranges): Ditto.
416         (rest_of_handle_eh): Ditto.
417         * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
418         (remove_unnecessary_notes): Ditto.
419         * gcc/except.h (set_nothrow_function_flags): Ditto.
420         (convert_to_eh_region_ranges): Ditto.
421         * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
422         * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
423         * gcc/tree-ssa-pre.c (do_pre): Ditto.
424         (execute_fre): Ditto.
425         * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
426         (rest_of_handle_jump2): Ditto.
427         * gcc/tree-sra.c (tree_sra): Ditto.
428         * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
429         (execute_mudflap_function_decls): Ditto.
430         * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
431         (do_store_copy_prop): Ditto.
432         * gcc/ipa-prop.h (ipcp_driver): Ditto.
433         * gcc/cfglayout.c (insn_locators_initialize): Ditto.
434         * gcc/tree-ssa-forwprop.c
435         (tree_ssa_forward_propagate_single_use_vars): Ditto.
436         * gcc/cfglayout.h (insn_locators_initialize): Ditto.
437         * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
438         * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
439         (execute_late_warn_uninitialized): Ditto.
440         * gcc/rtl.h (cleanup_barriers): Ditto.
441         (split_all_insns_noflow): Ditto.
442         (purge_line_number_notes): Ditto.
443         (unshare_all_rtl): Ditto.
444         (remove_unnecessary_notes): Ditto.
445         (recompute_reg_usage): Ditto.
446         (variable_tracking_main): Ditto.
447         * gcc/integrate.c (emit_initial_value_sets): Ditto.
448         * gcc/integrate.h (emit_initial_value_sets): Ditto.
449         * gcc/tree-optimize.c (execute_free_datastructures): Ditto
450         (execute_free_cfg_annotations): Ditto.
451         (execute_fixup_cfg): Ditto.
452         (execute_cleanup_cfg_pre_ipa): Ditto.
453         (execute_cleanup_cfg_post_optimizing): Ditto.
454         (execute_init_datastructures): Ditto.
455         * gcc/tree-object-size.c (compute_object_sizes): Ditto.
456         * gcc/combine.c (rest_of_handle_combine): Ditto.
457         * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
458         * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
459         (rest_of_handle_reorder_blocks): Ditto.
460         (rest_of_handle_partition_blocks): Ditto.
461         * gcc/var-tracking.c (variable_tracking_main): Ditto.
462         * gcc/tree-profile.c (tree_profiling): Ditto.
463         * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
464         * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
465         * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
466         (rest_of_handle_sched2): Ditto.
467         * gcc/basic-block.h (free_bb_insn): Ditto.
468         * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
469         * gcc/tree-cfg.c (execute_build_cfg): Ditto.
470         (remove_useless_stmts): Ditto.
471         (split_critical_edges): Ditto.
472         (execute_warn_function_return): Ditto.
473         (execute_warn_function_noreturn): Ditto.
474         * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
475         * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
476         * gcc/passes.c (execute_one_pass): Run additional
477         todos returned by execute function.
478         * gcc/tree-pass.h (struct tree_opt_pass): Make execute
479         return a value.
480
481 2006-03-02  Richard Guenther  <rguenther@suse.de>
482
483         * tree-ssa-alias.c (find_used_portions): Consider taking
484         the address as making the variable not write-only.
485
486 2006-03-02  Nick Clifton  <nickc@redhat.com>
487
488         * config.gcc (default_use_cxa_atexit): Extend the description of
489         this configure variable.  Set its default value to "yes" for
490         Linux, NetBSD and ELF targets on the assumption that they will
491         use C libraries with the __cxa_atexit function.
492
493 2006-03-02  Ben Elliston  <bje@au.ibm.com>
494
495         * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
496         parameter as unused to suppress a build warning.
497
498 2006-03-02  Ben Elliston  <bje@au.ibm.com>
499
500         * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
501         config/dfp-bit.c.
502
503 2006-03-01  Roger Sayle  <roger@eyesopen.com>
504
505         PR other/26489
506         * gthr-posix.h (__gthrw2): Define to take three parameters, the
507         declared name, the weak reference name, and the typeof name.
508         (__gthrw): Avoid expanding the declared name suffix.
509         (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
510
511 2006-03-01  Jakub Jelinek  <jakub@redhat.com>
512
513         * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
514         from DWARF 3.
515         (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
516         DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
517         DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
518         DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
519         DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
520         (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
521         (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
522         DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
523         (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
524         DW_DS_leading_separate, DW_DS_trailing_separate): New.
525         (DW_END_default, DW_END_big, DW_END_little): New.
526         (DW_END_lo_user, DW_END_hi_user): Define.
527         (DW_LNE_lo_user, DW_LNE_hi_user): Define.
528         (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
529         (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
530         DW_LANG_D): New.
531
532 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
533
534         * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
535         Update all users.
536         * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
537         Update all users.
538         (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
539         Update all users.
540         * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
541         Update all users.
542         * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
543         to 'symbol_mem_tag'.
544         Update all users.
545         * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
546         rename.
547
548 2006-03-01  Roger Sayle  <roger@eyesopen.com>
549
550         * builtins.c (fold_builtin_copysign): Delete unreachable code.
551
552 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
553
554         PR target/25761
555         * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
556         MACHO_DYNAMIC_NO_PIC_P.
557         (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
558
559 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
560
561         PR target/26389
562         * config/darwin-protos.h (darwin_asm_output_anchor):
563         Declare.
564         * config/darwin-sections.def (cstring_section):
565         Add SECTION_MERGE to the flags.
566         (literal4_section): Likewise.
567         (literal8_section): Likewise.
568         (objc_selector_refs_section): Likewise.
569         (objc_cls_refs_section): Likewise.
570         * config/darwin.c (darwin_asm_output_anchor): New
571         function.
572         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
573
574 2006-03-01  Daniel Berlin  <dberlin@dberlin.org>
575
576         Fix PR tree-optimization/26443
577         * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
578         to todo and PROP_tmt_usage to properties_destroyed.
579         * tree-ssa-ccp.c (pass_ccp): Ditto.
580         (pass_store_ccp): Ditto.
581         * tree-ssa-dom.c (pass_dominator): Ditto.
582
583 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
584
585         * tree-ssa-operands.c: Cleanup whitespace.
586         (get_asm_expr_operands): Move before first invocation.
587         (get_indirect_ref_operands): Likewise.
588         (get_tmr_operands): Likewise.
589         (get_call_expr_operands): Likewise.
590         (append_def): Likewise.
591         (append_use): Likewise.
592         (append_v_may_def): Likewise.
593         (append_v_must_def): Likewise.
594         (add_call_clobber_ops): Likewise.
595         (add_call_read_ops): Likewise.
596         (add_stmt_operand): Likewise.
597         (add_virtual_operand): Likewise.
598         (build_ssa_operands): Likewise.
599
600 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
601
602         PR middle-end/26022
603         Revert:
604         PR middle-end/24437
605         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
606         with a call expr to ...
607         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
608
609 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
610
611         * tree-vrp.c (extract_range_from_assert): Remove special
612         handling for types with super-types.
613
614 2006-03-01  Ben Elliston  <bje@au.ibm.com>
615
616         * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
617         and powerpc64-*-linux* configurations.
618         * config/t-dfprules: New file.
619
620         * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
621         Compile dfp-bit.c from the source directory using -DWIDTH and
622         $DFP_CFLAGS to control the compilation of that file, rather than
623         generating width-specific versions in the build directory.
624         * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
625         (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
626
627 2006-02-28  Zack Weinberg  <zackw@panix.com>
628
629         * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
630         continues to work.
631
632 2006-02-28  Eric Christopher  <echristo@apple.com>
633
634         * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
635         Set up IN_LIBGCC definition of TARGET_64BIT.
636         * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
637
638 2006-02-28  Roger Sayle  <roger@eyesopen.com>
639
640         PR middle-end/14752
641         * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
642         BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
643         cases via the construction of "expr != 0".
644
645 2006-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
646
647         * alias.c (alias_invariant, alias_invariant_size): Remove.
648         (record_base_value): Remove.
649         (memrefs_conflict_p): Don't look at alias_invariant.
650         (end_alias_analysis): Don't free it.
651         * alias.h (record_base_value): Remove prototype.
652
653 2006-02-28  Paolo Bonzini  <bonzini@gnu.org>
654             Adam Nemet  <anemet@caviumnetworks.com>
655
656         * rtl.h (truncated_to_mode): Declare it.
657         (struct rtl_hooks): Add reg_truncated_to_mode hook.
658         * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
659         (RTL_HOOKS_INITIALIZER): Include it.
660         * rtlhooks.c (reg_truncated_to_mode_general): New function.
661         * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
662         reg_truncated_to_mode.
663         * rtlanal.c (truncated_to_mode): Define it.
664         * simplify-rtx.c (simplify_unary_operation_1): Use it.
665
666 2006-02-28  Jeff Law  <law@redhat.com>
667
668         * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
669         conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
670         the range allowed by TYPE_PRECISION.
671
672         * tree.h (strct phi_arg_d): Remove unused NONZERO field.
673
674 2006-02-28  Dorit Nuzman  <dorit@il.ibm.com>
675
676         PR tree-optimization/26419
677         * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
678         values of n.
679
680 2006-02-27  Zack Weinberg  <zackw@panix.com>
681
682         * doc/md.texi: Fix typo in previous change.
683
684 2006-02-27  Kenneth Zadeck <zadeck@naturalbridge.com>
685
686         * df.c: Remove.
687
688 2006-02-27  Zack Weinberg  <zackw@panix.com>
689
690         * rtl.def (define_constraint, define_register_constraint)
691         (define_memory_constraint, define_address_constraint): New MD forms.
692         * gensupport.c (process_rtx): Put define_constraint etc on the
693         predicate queue.
694         * genpreds.c (process_define_predicate): Adjust comment.  Validate
695         the name, and call validate_exp to validate the expression.
696         (mark_mode_tests, write_extract_subexp): Can assume correct input.
697         (write_predicate_expr): Likewise.  NAME argument no longer necessary;
698         all callers changed.
699         (validate_exp, needs_variable, struct constraint_data)
700         (constraints_by_letter_table, first_constraint, last_constraint_ptr)
701         (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
702         (const_dbl_constraints, constraint_max_namelen)
703         (have_register_constraints, have_memory_constraints)
704         (have_address_constraints, have_address_constraints)
705         (have_extra_constraints, have_const_int_constraints)
706         (have_const_dbl_constraints, mangle, add_constraint)
707         (process_define_constraint, process_define_register_constraint)
708         (write_enum_constraint_num, write_lookup_constraint)
709         (write_insn_constraint_len, write_regclass_for_constraint)
710         (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
711         (write_insn_extra_memory_constraint)
712         (write_insn_extra_address_constraint)
713         (write_satisfies_constraint_fns): New.
714         (write_tm_preds_h): If we have new-style constraint definitions,
715         prototype the functions generated from them, and define the
716         old constraint interface (still used by generic code) in terms of
717         those functions.
718         (write_insn_preds_c): If we have new-style constraint definitions,
719         generate all relevant functions from those definitions.
720         (main): Handle define_constraint etc.
721         * genoutput.c (struct constraint_data, indep_constraints)
722         (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
723         (mdep_constraint_len): New data structures and functions, defined
724         #ifdef USE_MD_CONSTRAINTS.
725         (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
726         (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
727         use new logic to validate operand constraints against constraint
728         definitions.
729         (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
730         defined.
731         * defaults.h: If none of the old-style constraint macros are
732         defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
733         old-style macros; and poison REG_CLASS_FROM_LETTER,
734         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
735         EXTRA_CONSTRAINT.
736         * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
737         * doc/md.texi: Document new constraint-definition mechanism and the
738         C interface it provides.  Remove references to old mechanism
739         elsewhere in the document.
740         (Machine Constraints): Use pathnames relative to gcc directory,
741         i.e. config/ARCH/FILE.  Change i386 section to refer to
742         config/i386/predicates.md; update that section to match docstrings.
743         * doc/tm.texi: Move all documentation of the old constraint-
744         definition macros to their own section, clearly mark as obsolete.
745
746         * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
747         (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
748         definitions.
749         * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
750         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
751         * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
752         constraint strings.
753         (splits and peepholes): Use satisfies_constraint_*.
754         * config/i386/i386.c (memory_address_length)
755         (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
756
757 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
758
759         * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
760         scalar operation to be put back into the loop.
761
762 2006-02-27  Jakub Jelinek  <jakub@redhat.com>
763
764         PR other/26208
765         * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
766         (extract_cie_info): Handle S flag in augmentation string.
767         (execute_cfa_program): If context->signal_frame, execute also
768         fs->pc == context->ra instructions.
769         (uw_frame_state_for): If context->signal_frame, don't subtract one
770         from context->ra to find FDE.
771         (uw_update_context_1): Set context->signal_frame to
772         fs->signal_frame.
773         (_Unwind_GetIPInfo): New function.
774         * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
775         * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
776         of _Unwind_GetIP.
777         * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
778         * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
779         * unwind-compat.c (_Unwind_GetIPInfo): New function.
780         * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
781         * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
782         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
783         * config/i386/linux-unwind.h (x86_fallback_frame_state,
784         x86_64_fallback_frame_state): Set fs->signal_frame.
785         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
786         (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
787         (frob_update_context): Likewise.  Workaround missing S flag in
788         Linux 2.6.12 - 2.6.16 kernel vDSOs.
789         * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
790         Remove the psw_addr + 1 hack.
791
792 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
793
794         * tree-ssa-structalias.c (get_constraint_for): Move code to deal
795         with aggregates here.
796         (find_func_aliases): Remove code for &<aggregate> from here.
797
798 2006-02-26  Roger Sayle  <roger@eyesopen.com>
799
800         * fold-const.c (fold_binary) <EQ_EXPR>:  Fold (~X & C) eq/ne 0 as
801         (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
802         Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
803         as (X & C) ne/eq 0.
804
805 2006-02-26  Roger Sayle  <roger@eyesopen.com>
806
807         PR middle-end/19983
808         * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
809
810 2006-02-26  Zdenek Dvorak <dvorakz@suse.cz>
811
812         * opts.c (decode_options): Do not handle flag_strength_reduce.
813         (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
814         and OPT_fstrength_reduce.
815         * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
816         flag_prefetch_loop_arrays for being nonzero.
817         * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
818         no-ops.
819         (fprefetch-loop-arrays-rtl): Removed.
820         (flag_prefetch_loop_arrays): Do not specify the value.
821
822         * doc/passes.texi: Update documentation of loop optimizer
823         passes.
824         * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
825         -frerun-loop-opt): Remove.
826
827 2006-02-26  Richard Guenther  <rguenther@suse.de>
828
829         PR tree-optimization/26421
830         * tree-ssa-alias.c (find_used_portions): Don't treat parameters
831         in function calls that are ADDR_EXPRs as using the whole structure.
832
833 2006-02-26  Steven Bosscher  <stevenb.gcc@gmail.com>
834
835         * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
836         * tree-pass.h (pass_loop_optimize): Remove.
837         * passes.c (pass_loop_optimize): Never run it.
838         * toplev.c (backend_init): Don't call init_loop.
839         * opts.c (flag_loop_optimize_set): Remove.
840         (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
841         (common_handle_option) <OPT_floop_optimize>: Remove.  Don't disable
842         the old RTL loop optimizer when profiling enabled.
843         * predict.c (tree_estimate_probability): Always strip builtin_expect.
844         * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
845         pre-headers for the sake of the old RTL loop optimizer.
846         * Makefile.in: Remove all references to loop.o.
847
848         * doc/invoke.texi: Remove all references to -floop-optimize
849         and -frerun-loop-opt.
850
851 2006-02-26  Zack Weinberg  <zackw@panix.com>
852
853         * doc/md.texi (Machine Constraints): Refer to all files with paths
854         relative to gcc directory (i.e. config/CPU/file).  Add missing
855         @table @code ... @end table to M32C subsection.
856
857 2006-02-26  Roger Sayle  <roger@eyesopen.com>
858
859         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
860         (X & 1) == 0.
861         <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
862
863 2006-02-26  Roger Sayle  <roger@eyesopen.com>
864             James A. Morrison  <phython@gcc.gnu.org>
865
866         PR middle-end/21137
867         * fold-const.c (fold_binary) <EQ_EXPR>:  Fold ((X>>C1)&C2) eq/ne 0,
868         when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
869         new constant C2<<C1, or as (X<0) or (X,false) depending upon the
870         signedness of the shift operation.
871
872 2006-02-26  Dorit Nuzman  <dorit@il.ibm.com>
873
874         PR tree-optimization/26359
875         * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
876
877 2006-02-25  Roger Sayle  <roger@eyesopen.com>
878
879         * simplify-rtx.c (simplify_relational_operation_1):  Simplify
880         (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y.  Simplify (X^Y) == Y
881         as X == 0, and some symmetry related transformations.
882         Simplify (X^C1) == C2 as X == (C1^C2).  Split long comment line.
883
884 2006-02-25  Roger Sayle  <roger@eyesopen.com>
885
886         PR middle-end/23673
887         * fold-const.c (fold_binary) <EQ_EXPR>:  Fold (X^Y) == 0 as X == Y
888         and (X^Y) != 0 as X != Y.  Fold (X^Y) == Y as X == 0, and some
889         symmetry related transformations.  Fold (X^C1) == C2 as
890         X == (C1^C2).
891
892 2006-02-25  Juergen Weigert  <jw@suse.de>
893         Richard Guenther  <rguenther@suse.de>
894
895         * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
896
897 2006-02-24  Adam Nemet  <anemet@caviumnetworks.com>
898
899         * combine.c (gen_lowpart_or_truncate): Call
900         simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
901
902 2006-02-24  Diego Novillo  <dnovillo@redhat.com>
903
904         * doc/invoke.texi: Move -fopenmp description to "Options for
905         Code Generation".
906         Remove reference to -lgomp.
907
908 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
909
910         * doc/install.texi: Require GNU tar version 1.14.
911
912 2006-02-24  Geoffrey Keating  <geoffk@apple.com>
913
914         * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
915         * doc/invoke.texi (C++ Dialect Options): Document
916         -fno-use-cxa-get-exception-ptr.
917         * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
918         * configure: Regenerate.
919         * c.opt (fuse-cxa-get-exception-ptr): New.
920         * c-opts.c (c_common_handle_option): Handle
921         OPT_fuse_cxa_get_exception_ptr.
922         * c-common.c (flag_use_cxa_atexit): Update documentation.
923         (flag_use_cxa_get_exception_ptr): New.
924         * c-common.h (flag_use_cxa_get_exception_ptr): New.
925         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
926         documentation.
927         (C_COMMON_OVERRIDE_OPTIONS): New.
928
929 2006-02-24  Roger Sayle  <roger@eyesopen.com>
930
931         PR middle-end/24952
932         * combine.c (try_combine): Explicitly check whether GET_CODE is
933         a SET or a CLOBBER, instead on checking that it isn't a USE.
934
935 2006-02-24  Roger Sayle  <roger@eyesopen.com>
936
937         * fold-const.c (fold_comparison): New subroutine of fold_binary
938         containing transformations common to both the equality and
939         ordering relational operators, factored out of fold_binary.
940         (fold_binary): Separate out the equality operators (EQ_EXPR
941         and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
942         LE_EXPR and GE_EXPR), calling fold_comparison to perform the
943         transformations common to both.
944         (fold_div_compare): Fix latent bugs in the previously unreachable
945         LT_EXPR and GE_EXPR cases.
946
947 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
948
949         * config/rs6000/rs6000.c (rs6000_init_builtins): Change
950         decl libname for clog to __clog on AIX.
951
952         * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
953
954 2006-02-24  Alan Modra  <amodra@bigpond.net.au>
955
956         PR target/26453
957         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
958         output traceback table for thunks.  Localise rs6000_stack_info call.
959
960 2006-02-23  Roger Sayle  <roger@eyesopen.com>
961             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
962
963         * gthr-posix.h (__gthrw): Fix typo in comment.
964
965 2006-02-23  Geoffrey Keating  <geoffk@apple.com>
966
967         * doc/cpp.texi (Character sets): Document that we do support
968         input files to be in any character set.
969
970 2006-02-23  Jeff Law  <law@redhat.com>
971
972         * tree.h (PHI_ARG_NONZERO): Remove.
973         * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
974         (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
975         node to the new node.
976
977         PR tree-optimization/26425
978         * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
979         min/max, then assume its varying.
980
981 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
982
983         PR rtl-optimization/26316
984         * rtlanal.c (enum may_trap_p_flags): New.
985         (may_trap_p_1): Take flags instead of unaligned_mems argument.  Ignore
986         MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
987         (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
988         (may_trap_after_code_motion_p): New function.
989         * loop-invariant.c (find_identical_invariants): Fix dump formating.
990         (find_invariant_insn): Use may_trap_after_code_motion_p.
991         * rtl.h (may_trap_after_code_motion_p): Declare.
992
993 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
994
995         * emit-rtl.c (immed_double_const): Cleanup.
996
997 2006-02-23  Daniel Berlin  <dberlin@dberlin.org>
998
999         Fix PR tree-optimization/26376
1000         * tree-ssa-structalias.c (find_func_aliases):  Use get_id_for_tree,
1001         remove assert.
1002
1003 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
1004
1005         PR middle-end/26412
1006         * gimplify.c (omp_add_variable): Guard variable size decl test with
1007         DECL_SIZE (decl) check.
1008
1009 2006-02-23  Richard Guenther  <rguenther@suse.de>
1010
1011         PR middle-end/26439
1012         * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1013         like aggregate types.
1014
1015 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
1016
1017         * configure.ac: Add --with{,out}-long-double-128 configure option.
1018         (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1019         * configure: Rebuilt.
1020         * config.in: Rebuilt.
1021         * doc/install.texi (Options specification): Document
1022         --with-long-double-128.
1023
1024         * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1025         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1026         * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1027         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1028
1029 2006-02-23  Aldy Hernandez  <aldyh@redhat.com>
1030
1031         * config/s390/s390.c (override_options): Handle
1032         TARGET_DEFAULT_LONG_DOUBLE_128.
1033
1034         * config/alpha/alpha.c (override_options): Handle
1035         TARGET_DEFAULT_LONG_DOUBLE_128.
1036
1037         * config/sparc/sparc.c (sparc_override_options): Handle
1038         TARGET_DEFAULT_LONG_DOUBLE_128.
1039
1040 2006-02-22  Daniel Jacobowitz  <dan@codesourcery.com>
1041
1042         * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1043         (real-install-headers-tar, real-install-headers-cpio)
1044         (real-install-headers-cp): New targets.
1045
1046 2006-02-22  Richard Sandiford  <richard@codesourcery.com>
1047
1048         * tree.h (variable_section): Delete.
1049         * varasm.c (variable_section): Delete.
1050
1051 2006-02-22  Paolo Bonzini  <bonzini@gnu.org>
1052
1053         * install.texi: Add notes on install.texi2html.
1054         (Building in parallel): Do not use footnotes.
1055
1056 2006-02-21  Aldy Hernandez  <aldyh@redhat.com>
1057
1058         PR libgomp/26234
1059         * doc/install.texi (Configuration): Document --disable-libgomp.
1060
1061 2006-02-21  Geoffrey Keating  <geoffk@apple.com>
1062
1063         * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1064
1065 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
1066
1067         * config/i386/sse.md (vec_extractv2df_1_sse): New.
1068         (vec_extractv2df_0_sse): New.
1069
1070 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
1071
1072         * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1073         * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1074         * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1075         * dwarf2out.c (build_cfa_loc): New offset parameter.  Add it
1076         to the result of the expression.
1077         (def_cfa_1): Adjust.
1078         (frame_pointer_cfa_offset): Rename to...
1079         (frame_pointer_fb_offset): ... this.  Adjust all uses.
1080         (convert_cfa_to_loc_list): Rename to...
1081         (convert_cfa_to_fb_loc_list): ... this.  New offset parameter.
1082         Pass it on to build_cfa_loc.
1083         (compute_frame_pointer_to_cfa_displacement): Rename to...
1084         (compute_frame_pointer_to_fb_displacement): ... this.  New
1085         offset parameter.  Use it in computation.
1086         (gen_subprogram_die): Compute cfa_fb_offset with the new
1087         macro, and use it to compute the fb loc list and the
1088         displacement.
1089
1090 2006-02-21  Bernd Schmidt  <bernd.schmidt@analog.com>
1091
1092         * config/bfin/predicates.md (cc_operand): Delete predicate.  All uses
1093         replaced with register_operand.
1094         * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1095         non-DREG is expensive.
1096         * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1097         * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1098         involving memory.
1099
1100 2006-02-21  Joseph S. Myers  <joseph@codesourcery.com>
1101
1102         * doc/install.texi2html: Use set -e.
1103
1104 2006-02-21  Richard Sandiford  <richard@codesourcery.com>
1105
1106         * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1107         (ASM_OUTPUT_SHARED_LOCAL): Delete.
1108         * doc/invoke.texi (-fshared-data): Delete.
1109         * common.opt (fshared-data): Delete.
1110         * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1111         (assemble_static_space): Remove #if 0 code.
1112         * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1113         (ASM_OUTPUT_SHARED_LOCAL): Poison.
1114         * config/cris/cris.h: Remove FIXME.
1115
1116 2006-02-21  Paolo Bonzini  <bonzini@gnu.org>
1117
1118         * doc/sourcebuild.texi (Front End Directory): No more double-colon
1119         hooks.
1120
1121 2006-02-21  Jakub Jelinek  <jakub@redhat.com>
1122
1123         PR middle-end/26379
1124         * combine.c (simplify_shift_const_1): Disable nested shifts
1125         optimization for vector shifts.
1126
1127 2006-02-20  Roger Sayle  <roger@eyesopen.com>
1128
1129         PR tree-optimization/26361
1130         * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1131         of unsigned integer types.
1132
1133 2006-02-20  Sebastian Pop  <pop@cri.ensmp.fr>
1134
1135         * tree-chrec.c (eq_evolutions_p): New.
1136         * tree-chrec.h (eq_evolutions_p): Declared.
1137         * tree-data-ref.c: Fix formatting.
1138         (datadep_stats, dependence_stats): New.
1139         (gcd): Moved...
1140         (print_direction_vector): New.
1141         (dump_data_dependence_relation): Use print_direction_vector.
1142         (object_analysis, create_data_ref): Handle COMPONENT_REF.
1143         (compute_subscript_distance): Static.
1144         (initialize_data_dependence_relation): Static.  Get the number
1145         of loops surrounding the references from the callers, and initialize
1146         DDR_SIZE_VECT to nb_loops.  Use both base_addr_differ_p and
1147         base_object_differ_p analyzers.
1148         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1149         compute_overlap_steps_for_affine_1_2,
1150         analyze_subscript_affine_affine): Count the classified dependences.
1151         Print a message when a test failed.
1152         (can_use_analyze_subscript_affine_affine): New.
1153         (analyze_siv_subscript): Compute the data dependences on symbolic
1154         scevs that verify can_use_analyze_subscript_affine_affine.
1155         (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1156         (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1157         Handle symbolic scevs.
1158         (analyze_overlapping_iterations): Let symbolic affine scevs to be
1159         analyzed.
1160         (subscript_dependence_tester): Moved...
1161         (build_classic_dist_vector, build_classic_dir_vector): Don't use
1162         lambda_vector_clear on newly allocated vectors.  Get nb_loops from
1163         DDR_SIZE_VECT instead of getting it in parameter.
1164         (subscript_dependence_tester): ... here.  Take as a parameter
1165         loop_nest_depth.  Call build_classic_dist_vector and
1166         build_classic_dir_vector.
1167         (compute_affine_dependence): Update subscript_dependence_tester
1168         parameters.  Update datadep_stats counters.  Call
1169         compute_subscript_distance.
1170         (compute_self_dependence): Save the dist and dir vectors.  Call
1171         compute_subscript_distance.
1172         (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1173         (compute_all_dependences): Reorder parameters as they were before
1174         conversion to VEC.  Pass nb_loops and loop_nest_depth.  Don't call
1175         compute_subscript_distance.  Update the use of
1176         compute_affine_dependence and initialize_data_dependence_relation.
1177         (find_data_references_in_loop): Handle COMPONENT_REF.
1178         (compute_data_dependences_for_loop): Initialize dependence_stats.
1179         Don't call build_classic_dist_vector and build_classic_dir_vector.
1180         Update the parameters of initialize_data_dependence_relation and
1181         compute_all_dependences.  Print the statistics from datadep_stats.
1182         (analyze_all_data_dependences): Static.  Not used until the pass for
1183         checking the data dependences is contributed.
1184         * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1185         DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1186         (initialize_data_dependence_relation, compute_affine_dependence,
1187         analyze_all_data_dependences, compute_subscript_distance): Removed.
1188         (print_direction_vector): New.
1189         * lambda.h (gcd): ... here.
1190         (lambda_vector_gcd): Moved here from gcd_vector.
1191         * lambda-code.c (gcd, gcd_vector): Removed.
1192         (lambda_compute_target_space): Use lambda_vector_gcd.  Fix formatting.
1193         * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1194
1195 2006-02-20  Diego Novillo  <dnovillo@redhat.com>
1196
1197         * ipa-type-escape.c: Tidy some comments and white space.
1198         * tree-ssa-operands.c: Likewise.
1199
1200 2006-02-20  Andrew Pinski  <pinskia@physics.uc.edu>
1201
1202         PR tree-opt/25879
1203         * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1204         (dump_decl_name): Do not walk the decl tree chains.
1205         * tree-pass.h (TDF_CHAIN): Remove.
1206
1207 2006-02-20  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1208
1209         * Makefile.in (C): Remove
1210         (PROTO): Remove
1211         (.PHONY): Remove C and PROTO
1212
1213 2006-02-20  Roger Sayle  <roger@eyesopen.com>
1214
1215         PR middle-end/26236
1216         * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1217         deprecated CHAR_TYPE tree code.
1218
1219 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
1220
1221         * configure.ac (target_list): Add install-info, dvi, html.
1222         * configure: Regenerate.
1223
1224         * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1225         java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1226         treelang/Make-lang.in: Do not use double-colon rules.
1227
1228 2006-02-20  Daniel Berlin  <dberlin@dberlin.org>
1229
1230         * tree.h (struct tree_memory_tag): Add is_used_alone member.
1231         (TMT_USED_ALONE): New macro.
1232         * tree-pass.h (PROP_tmt_usage): New property.
1233         (TODO_update_tmt_usage): New todo.
1234         * tree-ssa-alias.c (updating_used_alone): New variable.
1235         (recalculate_used_alone): New function.
1236         (compute_may_aliases): Set updating_used_alone, call
1237         recalculate_used_alone.
1238         * tree-sra.c (pass_sra): Note that this pass destroys
1239         PROP_tmt_usage, and add TODO_update_tmt_usage.
1240         * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1241         * tree-flow.h (updating_used_alone): Prototype.
1242         (recalculate_used_alone): Ditto.
1243         * passes.c (execute_todo): Add code to set updating_used_alone,
1244         and call recalculate.
1245         * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1246         for clobber if used alone, and add assert to verify used_alone
1247         status.
1248
1249 2006-02-20  Angel Nunez Mencias  <anunez@de.ibm.com>
1250
1251         * config/s390/s390.c (legitimize_pic_address): Assertions checking
1252         for non tls symbols added.
1253         (legitimize_address): Do nothing for PLUS expressions if one of the
1254         addends is a tls symbol reference.
1255
1256 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
1257
1258         PR bootstrap/25476
1259
1260         * Makefile.in (LDFLAGS): Define from autoconf substitution.
1261
1262         * Makefile.in (BOOTSTRAPPING): New.
1263         (quickstrap): New definition if BOOTSTRAPPING=yes.
1264
1265         * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1266         * configure.ac: Substitute all_selected_languages with the languages
1267         that were configured.  For all the other variables except
1268         lang_specs_files, include all the languages in the tree.
1269         * configure: Regenerate.
1270
1271         * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1272         if there is one.  Run the commands to run fixincludes in the same
1273         subshell.
1274
1275         * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1276         * doc/install.texi: Document exact conventions for searching target tools.
1277         Document --with-build-time-tools.  Document toplevel bootstrap.  Document
1278         something more about building an Ada cross-compiler.  Don't list GNU Make
1279         requirements which affect all platforms.
1280
1281 2006-02-19  Roger Sayle  <roger@eyesopen.com>
1282
1283         PR middle-end/19543
1284         * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1285         only equivalent if the have both the same mode and precision.
1286
1287 2006-02-20  Ben Elliston  <bje@au.ibm.com>
1288
1289         * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1290
1291 2006-02-19  Roger Sayle  <roger@eyesopen.com>
1292             Steven Bosscher  <stevenb.gcc@gmail.com>
1293
1294         * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1295         constant pool references to identify stack mode constants.
1296         * rtlanal.c (constant_pool_constant_p): New predicate to check
1297         whether operand is a floating point constant in the pool.
1298         * rtl.h (constant_pool_constant_p): Prototype here.
1299         * loop.c (scan_loop): Avoid hoisting constants from the constant
1300         pool on STACK_REGS targets.
1301         (load_mems): Likewise.
1302         * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1303         loads into x87 registers expensive in terms of register pressure.
1304
1305 2006-02-19  Roger Sayle  <roger@eyesopen.com>
1306
1307         * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1308         __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1309
1310 2006-02-19  David Edelsohn  <edelsohn@gnu.org>
1311
1312         * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1313         * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1314
1315 2006-02-19  Daniel Berlin  <dberlin@dberlin.org>
1316
1317         * doc/invoke.texi: Document -fipa-pta.
1318         * common.opt: Add ipa-pta option.
1319         * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1320         (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1321         (do_ds_constraint): Ditto.
1322         (get_constraint_for): Only add to referenced_vars if
1323         referenced_vars exists.
1324         (insert_into_field_list): Rewrite to do this unsorted.
1325         (insert_into_field_list_sorted): Rename old insert_into_field_list
1326         to this.
1327         (create_function_info_for): Use insert_into_field_list_sorted.
1328         (create_variable_info_for): Rewrite so it uses unsorted version,
1329         since the field list is sorted.
1330         (intra_create_variable_infos): Only add to referenced_vars if
1331         referenced_vars exists.
1332         (ipa_pta_execute): Init heapvars, and delete when done.
1333         * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1334
1335 2006-02-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1336
1337         * doc/install.texi: Add missing `@samp'.
1338
1339 2006-02-18  Andrew Pinski <pinskia@physics.uc.edu>
1340
1341         * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1342         Use the arguments.
1343
1344 2006-02-18  Mark Wielaard  <mark@klomp.org>
1345
1346         * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1347         who added new 4.1 features, bug fixes and integration support.
1348
1349 2006-02-18  David Edelsohn  <edelsohn@gnu.org>
1350
1351         PR target/26350
1352         * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1353         MEM for ABI_V4 pic.
1354
1355 2006-02-18  Richard Sandiford  <richard@codesourcery.com>
1356
1357         * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1358         * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1359         (copy_insn_1): Likewise.  Don't copy each field individually.
1360         Reindent.
1361         * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1362         of RTX_SIZE.
1363         * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1364         * rtl.c (rtx_size): Rename variable to...
1365         (rtx_code_size): ...this.
1366         (rtx_size): New function.
1367         (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1368         (copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
1369         Reindent.
1370         (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1371         * rtl.h (rtx_code_size): New variable.
1372         (rtx_size): Change from a variable to a function.
1373         (RTX_SIZE): Rename to...
1374         (RTX_CODE_SIZE): ...this.
1375
1376         PR target/9703
1377         PR tree-optimization/17106
1378         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1379         (Anchored Addresses): New section.
1380         * doc/invoke.texi (-fsection-anchors): Document.
1381         * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1382         (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1383         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1384         * hooks.c (hook_bool_mode_rtx_false): New function.
1385         * hooks.h (hook_bool_mode_rtx_false): Declare.
1386         * gengtype.c (create_optional_field): New function.
1387         (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1388         SYMBOL_REF_IN_BLOCK_P is true.
1389         * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1390         (min_anchor_offset, max_anchor_offset): Likewise.
1391         (use_anchors_for_symbol_p): New hook.
1392         * toplev.c (compile_file): Call output_object_blocks.
1393         (target_supports_section_anchors_p): New function.
1394         (process_options): Check that -fsection-anchors is only used on
1395         targets that support it and when -funit-at-a-time is in effect.
1396         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1397         if the decl doesn't have one.
1398         * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1399         * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1400         of force_const_mem through use_anchored_address.
1401         (expand_expr_constant): New function.
1402         (expand_expr_addr_expr_1): Call it.  Use the same modifier when
1403         calling expand_expr for INDIRECT_REF.
1404         (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1405         for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
1406         * expr.h (use_anchored_address): Declare.
1407         * loop-unroll.c: Don't declare rtx vectors here.
1408         * explow.c: Include output.h.
1409         (validize_mem): Call use_anchored_address.
1410         (use_anchored_address): New function.
1411         * common.opt (-fsection-anchors): New switch.
1412         * varasm.c (object_block_htab, anchor_labelno): New variables.
1413         (hash_section, object_block_entry_eq, object_block_entry_hash)
1414         (use_object_blocks_p, get_block_for_section, create_block_symbol)
1415         (use_blocks_for_decl_p, change_symbol_section): New functions.
1416         (get_variable_section): New function, split out from assemble_variable.
1417         (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1418         use_blocks_for_decl_p say so.  Use change_symbol_section if the
1419         symbol has already been created.
1420         (assemble_variable_contents): New function, split out from...
1421         (assemble_variable): ...here.  Don't output any code for
1422         block symbols; just pass them to place_block_symbol.
1423         Use get_variable_section and assemble_variable_contents.
1424         (get_constant_alignment, get_constant_section, get_constant_size): New
1425         functions, split from output_constant_def_contents.
1426         (build_constant_desc): Create a block symbol if use_object_blocks_p
1427         says so.  Or into SYMBOL_REF_FLAGS.
1428         (assemble_constant_contents): New function, split from...
1429         (output_constant_def_contents): ...here.  Don't output any code
1430         for block symbols; just pass them to place_section_symbol.
1431         Use get_constant_section and get_constant_alignment.
1432         (force_const_mem): Create a block symbol if use_object_blocks_p and
1433         use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
1434         (output_constant_pool_1): Add an explicit alignment argument.
1435         Don't switch sections here.
1436         (output_constant_pool): Adjust call to output_constant_pool_1.
1437         Switch sections here instead.  Don't output anything for block symbols;
1438         just pass them to place_block_symbol.
1439         (init_varasm_once): Initialize object_block_htab.
1440         (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1441         (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1442         (place_block_symbol, get_section_anchor, output_object_block)
1443         (output_object_block_htab, output_object_blocks): New functions.
1444         * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1445         (TARGET_ASM_OUT): Include it.
1446         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1447         (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1448         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1449         (TARGET_INITIALIZER): Include them.
1450         * rtl.c (rtl_check_failed_block_symbol): New function.
1451         * rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
1452         (block_symbol, object_block): New structures.
1453         (rtx_def): Add a block_symbol field to the union.
1454         (BLOCK_SYMBOL_CHECK): New macro.
1455         (rtl_check_failed_block_symbol): Declare.
1456         (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1457         (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1458         (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1459         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1460         * output.h (output_section_symbols): Declare.
1461         (object_block): Name structure.
1462         (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1463         (default_use_anchors_for_symbol_p): Declare.
1464         * Makefile.in (RTL_BASE_H): Add vec.h.
1465         (explow.o): Depend on output.h.
1466         * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1467         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1468         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1469         (rs6000_use_blocks_for_constant_p): New function.
1470
1471 2006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1472
1473         * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1474
1475 2006-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1476
1477         PR tree-opt/25680
1478         * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1479         IMAGPART_EXPR.
1480
1481 2006-02-18  Diego Novillo  <dnovillo@redhat.com>
1482
1483         * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1484         is_aliased.
1485         Update all users.
1486
1487 2006-02-18  Jakub Jelinek  <jakub@redhat.com>
1488
1489         PR middle-end/26334
1490         * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1491         instead of DECL_REGISTER.
1492
1493 2006-02-18  Olivier Hainque  <hainque@adacore.com>
1494
1495         PR ada/13408
1496         * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1497
1498 2006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1499
1500         PR target/24837
1501         * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1502         * opth-gen.awk: Handle Var and InverseMask together.
1503         * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1504         * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1505         (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1506         (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1507         used together.
1508         (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1509         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1510         * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1511         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1512         LINUX_DYNAMIC_LINKER): Define.
1513         (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1514         * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1515         TARGET_GLIBC.
1516         * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1517         (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1518         * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1519         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1520         (TARGET_C99_FUNCTIONS): Don't define.
1521         * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1522         GLIBC_DYNAMIC_LINKER.
1523         (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1524         * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1525         GLIBC_DYNAMIC_LINKER64): Define.
1526         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1527         LINUX_DYNAMIC_LINKER64.
1528         * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1529         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1530         * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1531         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1532         * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1533         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1534         * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1535         GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1536         UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1537         (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1538         and LINUX_DYNAMIC_LINKER32.
1539         * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1540         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1541         * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1542         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1543         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1544         TARGET_GLIBC.
1545         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1546         (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1547         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1548         CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1549         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1550         (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1551         (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1552         * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1553         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1554         LINUX_DYNAMIC_LINKER): Define.
1555         (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1556         * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1557         GLIBC_DYNAMIC_LINKER64): Define.
1558         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1559         LINUX_DYNAMIC_LINKER64.
1560         * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1561         (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1562         * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1563         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1564         LINUX_DYNAMIC_LINKER): Define.
1565         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1566         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1567         * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1568         GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1569         UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1570         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1571         (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1572         (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1573         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1574         * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1575         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1576         * doc/invoke.texi (-muclibc): Remove caveat about supported
1577         targets.
1578
1579 2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1580
1581         * doc/cpp.texi (__TIMESTAMP__): Document.
1582
1583 2006-02-17  Roger Sayle  <roger@eyesopen.com>
1584
1585         PR middle-end/25600
1586         * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1587         C is one less than the width of X (and related transformations).
1588         * simplify-rtx.c (simplify_unary_operation_1): Transform
1589         (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1590         depending on STORE_FLAG_VALUE, were C is one less then the
1591         width of X.
1592
1593 2006-02-17  Daniel Berlin  <dberlin@dberlin.org>
1594
1595         Fix PR tree-optimization/26341
1596         * tree-ssa-operands.c (add_virtual_operand): Remove assert
1597         about NAME_MEMORY_TAG's.
1598
1599 2006-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1600
1601         PR target/26255
1602         * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1603         with hardware float support, and software float support.  Add fcpy
1604         alternative to hardware patterns.  Add alternatives to copy between
1605         general and floating-point registers to the 32-bit pattern.
1606         * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1607         secondary reload to load a QI or HI mode constant into a floating
1608         point register.
1609         * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1610         * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1611
1612 2006-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
1613
1614         PR target/26272
1615         * config/rs6000/darwin.md (load_macho_picbase_si): Add
1616         pc to the pattern.
1617         (load_macho_picbase_di): Likewise.
1618
1619 2006-02-16  Jeff Law  <law@redhat.com>
1620
1621         * tree-vrp.c (set_value_range_to_nonnegative): New function.
1622         (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1623         (ssa_name_nonzero_p): Likewise.
1624         (get_value_range): Return NULL if VRP is not running.
1625         (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1626         VRP routines do not discover a range.
1627         (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1628         * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1629         * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1630         (tree_expr_nonnegative_p): Similarly.
1631         * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1632         (restore_nonzero_vars_to_original_value): Remove.
1633         (unsafe_associative_fp_binop): Remove.
1634         (tree_ssa_dominator_optimize): Remove initialization and
1635         finalization of nonzero_vars and nonzero_vars_stack.
1636         (dom_opt_initialize_block): No longer push marker on
1637         nonzero_vars_stack.
1638         (dom_opt_finalize_block): No longer call
1639         restore_nonzero_vars_to_original_value.
1640         (record_equivalences_from_phis): No longer look for
1641         nonzero PHI arguments.
1642         (cprop_into_successor_phis): No longer propagate nonzero
1643         property into PHI arguments.  Lose unused argument.  Caller
1644         updated.
1645         (record_equivalences_from_stmt): No longer record nonzero
1646         values for SSA_NAMEs.
1647         (lookup_avail_expr): No longer use nonzero_vars.
1648
1649         * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1650         for sizetype when sizetype is unsigned.
1651
1652 2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
1653
1654         PR rtl-optimization/25603
1655         * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1656         (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1657         * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1658         with new meaning of SETS.
1659
1660 2006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
1661
1662         PR target/20353
1663         PR target/24578
1664         PR target/24837
1665         * config/linux.opt: New file.
1666         * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1667         LINUX_DYNAMIC_LINKER): Define.
1668         (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1669         * config.gcc (*-*-linux*): Define extra_options.
1670         (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1671         (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1672         * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1673         GLIBC_DYNAMIC_LINKER.
1674         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1675         (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1676         * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1677         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1678         * doc/invoke.texi (GNU/Linux Options): New section.
1679
1680 2006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1681
1682         * config/sparc/sparc.md (setjmp): Rewrite.
1683         (setjmp_32): Delete.
1684         (setjmp_64): Likewise.
1685
1686 2006-02-16  Daniel Berlin <dberlin@dberlin.org>
1687
1688         * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1689          previous change.
1690
1691 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
1692
1693         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1694         read-write uses.
1695
1696 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
1697
1698         PR rtl-optimization/26296
1699         * Makefile.in (loop-invariant.c): Add except.h dependency.
1700         * loop-invariant.c: Include except.h.
1701         (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1702
1703 2005-02-16  Paul Brook  <paul@codesourcery.com>
1704
1705         * reload1.c (emit_reload_insns): Invalidate dead input registers used
1706         for reloads.
1707
1708 2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
1709
1710         PR rtl-optimization/25636
1711         * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1712         when deciding whether an insn is an initializing insn.
1713
1714 2006-02-15 Daniel Berlin  <dberlin@dberlin.org>
1715
1716         * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1717         (tree_code_size): Ditto.
1718         * tree.h (struct tree_memory_tag): Remove parent_var.
1719         (struct tree_struct_field_tag): New.
1720         (SFT_OFFSET): New.
1721         (SFT_SIZE): New.
1722         (union tree_node): Add sft member.
1723         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1724         specially here.
1725         (create_sft): Add size and offset argument, set SFT_OFFSET and
1726         SFT_SIZE.
1727         (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1728         * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1729         * tree-flow-inline.h (get_subvar_at): Update for
1730         SFT_OFFSET/SFT_SIZE.
1731         (var_can_have_subvars): Ditto.
1732         (overlap_subvar): Ditto.
1733         * print-tree.c (print_node): Print out interesting things for
1734         SFT's.
1735         * tree-flow.h (struct subvar): Remove offset and size members.
1736         * tree-ssa-operands.c (get_expr_operands): Update for
1737         get_indirect_ref_operands changes.
1738         (get_indirect_ref_operands): Call add_virtual_operand instead of
1739         add_stmt_operand.  Only recurse on base var if requested.
1740         (access_can_touch_variable): New function.
1741         (add_stmt_operand): Split virtual operand handling into ...
1742         (add_virtual_operand): Here.  Add offset, size, and for_clobber
1743         arguments.  Prune alias sets.
1744         (add_call_clobber_ops): Call add_virtual_operand.
1745
1746 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
1747
1748         PR middle-end/26300
1749         * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1750
1751         * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1752         than TREE_CODE as index into omp_clause_num_ops array.
1753
1754 2006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
1755
1756         PR rtl-optimization/26184
1757         * modulo-sched.c (generate_reg_moves): Free bitmap vector
1758         uses_of_defs.
1759         * modulo-sched.c (sms_schedule): Free g_arr pointer.
1760         * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1761         must_precede, must_follow and tobe_scheduled.
1762
1763         PR other/26147
1764         * opts.c (common_handle_option): Free new_option pointer.
1765         * df-core.c (df_analyze): Free postorder pointer.
1766
1767 2006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1768
1769         * Makefile.in: Fix the examples about the use of stamps
1770
1771 2006-02-15  Michael Matz  <matz@suse.de>
1772
1773         PR middle-end/22275
1774
1775         * stor-layout.c (layout_decl): Zero-width bitfields aren't
1776         influenced by maximum_field_alignment or DECL_PACKED.
1777         (update_alignment_for_field): Ditto.
1778         (place_field): Ditto.
1779         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1780         this behaviour.
1781
1782 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
1783
1784         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1785         (debug_flow_info): Pass it.
1786         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1787         * bb-reorder.c (reorder_basic_blocks): Likewise.
1788         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1789         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1790         * flow.c (life_analysis, recompute_reg_usage): Likewise.
1791         * gcse.c (gcse_main, bypass_jumps): Likewise.
1792         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1793         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1794         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1795         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1796         * rtl.h (dump_flow_info): Adjust prototype.
1797         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1798         * var-tracking.c (variable_tracking_main): Likewise.
1799         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1800         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1801         options.
1802
1803 2006-02-15  Marcin Dalecki <martin@dalecki.de>
1804
1805         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1806         construction.
1807
1808 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
1809
1810         PR tree-optimization/26209
1811         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1812         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1813         eh edges.
1814         * tree-cfg.c (replace_uses_by): Do not alter cfg.
1815
1816 2006-02-14  Roger Sayle  <roger@eyesopen.com>
1817
1818         PR middle-end/23670
1819         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1820         (X,Y) and the corresponding symmetry related transformations.
1821         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1822         (X,Y) and its symmetry related transformations.
1823
1824 2006-02-14  Roger Sayle  <roger@eyesopen.com>
1825
1826         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1827         and GEU.
1828
1829 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
1830
1831         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1832
1833 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1834
1835         PR bootstrap/26053
1836         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1837         support COMDAT group.
1838         * configure: Regenerate.
1839
1840 2006-02-14  Roger Sayle  <roger@eyesopen.com>
1841
1842         PR middle-end/26279
1843         PR middle-end/26280
1844         PR middle-end/26283
1845         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1846
1847 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
1848
1849         Fix PR tree-optimization/26260
1850
1851         * doc/invoke.texi (max-fields-for-field-sensitive): Document
1852         param.
1853         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1854         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1855         * tree-ssa-structalias.c (create_variable_info_for): Use
1856         MAX_FIELDS_FOR_FIELD_SENSITIVE.
1857
1858 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
1859
1860         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1861         Document.
1862         * tree-ssa-loop-niter.c (number_of_iterations_ne,
1863         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1864         of the ending condition.
1865         * tree-ssa-loop-manip.c: Include params.h.
1866         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1867         tree_unroll_loop): New functions.
1868         * tree-pass.h (pass_loop_prefetch): Declare.
1869         * loop.c (rest_of_handle_loop_optimize): Test for
1870         -fprefetch-loop-arrays-rtl.
1871         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1872         * timevar.def (TV_TREE_PREFETCH): New timevar.
1873         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1874         pass_loop_prefetch): New.
1875         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1876         (cleanup_tree_cfg_loop): Call scev_reset.
1877         * common.opt (fprefetch-loop-arrays-rtl): Add.
1878         * tree-ssa-loop-prefetch.c: New file.
1879         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1880         (new_temp_expr_table): Initialize expr_vars.
1881         (free_temp_expr_table): Cleanup expr_vars.
1882         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1883         expressions from being merged into one.
1884         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1885         (struct tree_niter_desc): Add control, bound and cmp fields.
1886         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1887         Declare.
1888         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1889         (tree-cfgcleanup.o): Add SCEV_H dependency.
1890         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1891         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1892
1893 2006-02-14  Richard Guenther  <rguenther@suse.de>
1894
1895         PR tree-optimization/26258
1896         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1897         in PHI argument processing.
1898
1899 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
1900
1901         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1902         new expression in the requested machine mode.
1903
1904 2006-02-13  Roger Sayle  <roger@eyesopen.com>
1905
1906         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1907         directly, instead let do_compare_rtx_and_jump handle this for us.
1908         * expr.c (expand_expr_real_1): Likewise.
1909         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
1910         before do_jump_by_parts_greater.
1911         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1912         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1913
1914 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1915
1916         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1917
1918 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
1919
1920         PR rtl-optimization/26235
1921         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1922         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
1923         format.
1924
1925 2006-02-13  Jeff Law  <law@redhat.com>
1926
1927         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1928         TRUTH_XOR_EPR.
1929
1930 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
1931
1932         PR middle-end/26092
1933         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1934         twice if decl is a builtin.  When trying again, call get_callee_fndecl
1935         first to verify it is still a builtin.
1936
1937 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
1938
1939         * dwarf2out.c (base_type_die): Don't add AT_name here.
1940         (subrange_type_die): Don't add AT_name here.
1941         (modified_type_die): Rearrange code flow.  Do add AT_name here.
1942
1943 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
1944
1945         PR rtl-optimization/26247
1946         PR rtl-optimization/26248
1947         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1948
1949 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
1950
1951         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1952         * config/fixtfdi.c: Likewise.
1953         * config/fixunstfdi.c: Likewise.
1954         * config/floatditf.c: Likewise.
1955
1956 2006-02-13  Roger Sayle  <roger@eyesopen.com>
1957
1958         PR middle-end/24427
1959         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1960         into (X,C2) if C1 is a subset of the bits of C2.  Transform
1961         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
1962         (X&(C1&~C2))|C2.
1963         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1964
1965 2006-02-13  Josh Conner  <jconner@apple.com>
1966
1967         PR target/25376
1968         * varasm.c (function_section): Check for section name before
1969         calling select_section on targets that define
1970         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
1971         unlikely_text_section instead of hot_function_section if
1972         first_function_block_is_cold.
1973
1974 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
1975
1976         PR middle-end/25335
1977         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1978
1979 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
1980
1981         PR rtl-optimization/26222
1982         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1983         after tree->rtl expansion.
1984         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1985         before passing it to emit_move_insn.
1986
1987 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1988
1989         * doc/invoke.texi (-Write-strings): Document that it is enabled by
1990         default.
1991         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1992         Clarify documentation.
1993         * c-common.h (warn_write_strings): Remove.
1994         * c-common.c (warn_write_strings): Likewise.
1995         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1996         default for C++.
1997
1998 2006-02-12  Roger Sayle  <roger@eyesopen.com>
1999
2000         PR middle-end/25724
2001         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2002         (do_jump_parts_zero_rtx): New function renamed from
2003         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
2004         (do_jump_parts_equality_rtx): New function split out from
2005         do_jump_parts_equality.  Old implementation renamed as above.
2006         Call do_jump_parts_zero_rtx if either operand is zero.
2007         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2008         do all of the heavy lifting.
2009         (do_compare_rtx_and_jump): Handle multi-word comparisons by
2010         calling either do_jump_by_parts_greater_rtx or
2011         do_jump_by_parts_equality_rtx.
2012         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2013         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2014         moved to do_compare_rtx_and_jump, call it directly.
2015         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
2016         mode argument.  Call do_compare_rtx_and_jump.
2017         (emit_case_nodes): Update calls to do_jump_if_equal.
2018
2019 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
2020
2021         PR rtl-optimization/26225
2022         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2023
2024 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
2025
2026         PR rtl-optimization/26232
2027         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2028
2029 2006-02-11  Jason Merrill  <jason@redhat.com>
2030
2031         PR tree-opt/24365
2032         * tree-inline.c (declare_return_variable): Just don't use the
2033         modify target if it's a gimple complex reg and the return slot
2034         isn't.
2035
2036 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2037
2038         * doc/contrib.texi: Update my entry.
2039
2040 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
2041
2042         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2043
2044 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
2045
2046         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2047         expensive.
2048
2049 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
2050
2051         * doc/invoke.texi (-floop-optimize2): Removed.
2052         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2053         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2054         Test flag_branch_on_count_reg only if HAVE_doloop_end.
2055         * common.opt (floop-optimize2): Removed.
2056         (fmove-loop-invariants): Enabled by default.
2057
2058 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
2059
2060         * tree-if-conv.c (combine_blocks): Free the result of
2061         get_loop_exit_edges.
2062
2063 2006-02-10  Jeff Law  <law@redhat.com>
2064
2065         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2066
2067         PR tree-optimization/26213
2068         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2069         loop trying to follow SSA_NAME_VALUE chains.
2070
2071 2006-02-10  Richard Guenther  <rguenther@suse.de>
2072
2073         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2074         deal with structures that end in implicitly variable sized arrays.
2075
2076 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
2077
2078         PR rtl-optimization/24762
2079         * df-scan.c (df_bb_refs_record): Record correct registers defined on
2080         eh edges.
2081
2082 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
2083
2084         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2085         (struct ivopts_data): Add regs_used field.
2086         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2087         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2088         instead of loop_data->regs_used;
2089         (free_loop_data): Do not free aux fields for loops.
2090         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2091         and tree_ssa_iv_optimize_finalize.
2092
2093 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2094
2095         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2096
2097 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
2098
2099         PR target/26141
2100         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2101         computing the effective result type.
2102
2103 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
2104
2105         PR inline-asm/16194
2106         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2107         (tree_overlaps_hard_reg_set): Declare.
2108         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
2109         type and signature to match function type expected by walk_tree.
2110         (tree_overlaps_hard_reg_set): New function.
2111         (decl_conflicts_with_clobbers_p): Rename to:
2112         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
2113         Use tree_overlaps_hard_reg_set.  Changed caller.
2114         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2115         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2116         * cris.c (cris_md_asm_clobbers): Likewise.
2117
2118 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
2119
2120         * reload1.c (emit_input_reload_insns): Delete code that tries to
2121         inherit using find_equiv_reg.
2122
2123 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2124
2125         * c-common.h (flag_const_strings): Don't declare.
2126         * c-common.c (flag_const_strings): Remove.
2127         * c.opt (fconst_strings): Remove.
2128         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2129         <OPT_Wwrite_strings>: Don't set flag_const_strings.
2130         (c_common_init_options): Don't set flag_const_strings.
2131         * doc/invoke.texi (-fno-const-strings): Remove documentation.
2132
2133 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
2134
2135         * arm.md (tlobits_cbranch): New pattern.
2136         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2137         testing a single bit.
2138
2139 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
2140
2141         PR tree-opt/26179
2142         * tree-ssa-pre.c (create_component_ref_by_pieces):
2143         Handle RETURN_DECL like VAR_DECL.
2144
2145 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
2146
2147         PR middle-end/26134
2148         * fold-const.c (fold_indirect_ref_1): Fold
2149         "*(foo *)&complexfoo" to "__real__ complexfoo"
2150         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2151
2152 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
2153
2154         * tree-flow-inline.h (var_can_have_subvars):
2155         Volatile variables should not have subvariables.
2156
2157 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
2158
2159         PR 26180
2160         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2161         multiplying unsigned values.
2162         Tidy comments.
2163
2164 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2165
2166         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2167
2168 2006-02-08  Jason Merrill  <jason@redhat.com>
2169
2170         PR c++/25979
2171         * tree.def: Elaborate on difference from MODIFY_EXPR.
2172         * doc/c-tree.texi (INIT_EXPR): Likewise.
2173         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2174         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2175         (gimplify_target_expr): Likewise.
2176         (gimplify_cond_expr): Remove target handling.
2177         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2178         (gimplify_expr): Clobber it here.
2179         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2180         Do return slot optimization if we have an INIT_EXPR.
2181
2182         PR tree-opt/24365
2183         * tree-inline.c (declare_return_variable): Also clear
2184         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2185
2186         PR c++/16405
2187         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2188
2189         PR middle-end/22439
2190         * gimplify.c (gimplify_one_sizepos): Fix typo.
2191
2192 2006-02-08  Jeff Law  <law@redhat.com>
2193
2194         PR tree-optimization/21417
2195         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2196         across a backedge if the control statement at the end of the
2197         block is data dependent on other statements in the same block.
2198         (record_temporary_equivalences_from_stmts): Remove over-conservative
2199         test for threading across backedges.
2200
2201         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2202         control statement, handle all three special cases in the same
2203         manner as they all have the same desired solution.  No longer
2204         special case edge flag updating when the post dominator is
2205         the exit block.
2206
2207 2006-02-08  Roger Sayle  <roger@eyesopen.com>
2208
2209         * tree.def (CHAR_TYPE): Remove.
2210         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2211         * dwarf2out.c (base_type_die, is_base_type): Likewise.
2212         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2213         (gen_string_type_die): Delete unreachable function.
2214
2215         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2216         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2217         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2218         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2219         * builtins.c (type_to_class): Likewise.
2220         * fold-const.c (fold_convert, build_range_check,
2221         merge_ranges): Likewise.
2222         * expr.c (count_type_elements): Likewise.
2223         * c-pretty-print.c (pp_c_type_specifier): Likewise.
2224         * stor-layout.c (layout_type): Likewise.
2225         * ipa-type-escape.c (type_to_consider): Likewise.
2226         * gimplify.c (omp_firstprivatize_type_sizes,
2227         gimplify_type_sizes): Likewise.
2228         * explow.c (promote_mode): Likewise.
2229         * tree-sra.c (is_sra_scalar_type): Likewise.
2230         * varasm.c (output_constant): Likewise.
2231         * tree-inline.c (remap_type_1): Likewise.
2232         * convert.c (convert_to_pointer, convert_to_real,
2233         convert_to_integer, convert_to_complex): Likewise.
2234
2235 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
2236
2237         * df-scan.c (df_def_record_1): A set destination may
2238         be a parallel regardless of mode.
2239
2240 2006-02-08  Roger Sayle  <roger@eyesopen.com>
2241
2242         PR target/22209
2243         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2244         * config/mips/_tilib.c: Remove.
2245         * config/fixtfdi.c: New libgcc source file.
2246         * config/fixunstfdi.c: New source file.
2247         * config/floatditf.c: New source file.
2248         * config/floatunditf.c: New souce file.
2249         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2250         files above instead of config/mips/_tilib.c.
2251         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2252
2253 2006-02-08  Jeff Law  <law@redhat.com>
2254
2255         PR tree-optimization/26169
2256         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2257         threading jumps.
2258
2259 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
2260
2261         * df.h (DF_REG_SIZE): Return the length of the initialized
2262         part of the array.
2263
2264 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
2265
2266         * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2267         __muldf3): Return a correctly signed zero.
2268
2269 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
2270
2271         * passes.c (register_one_dump_file): Accept the current properties
2272         instead of pass number.  Adjust call to dump_register.  Remove
2273         duplicated code.
2274         (register_dump_files): Now a wrapper around...
2275         (register_dump_files_1): ... this one.  Do not modify the pass
2276         structure.
2277         (next_pass_1): Cosmetic fix.
2278         (execute_todo): Keep second parameter only.  Use curr_properties
2279         instead of fetching it from the pass structure.  Check and set
2280         last_verified.
2281         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
2282         instead of fetching it from the pass structure.  Fix calls to
2283         execute_todo.  Update curr_properties and initialize .vcg RTL dump
2284         after running the pass.  Reset last_verified.
2285         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
2286         at the beginning.
2287         (FIRST_AUTO_NUMBERED_DUMP): New.
2288         (dump_register): Remove "num" parameter, assign it within the
2289         function.
2290         (get_dump_file_name): Modify template for dumps.
2291         * tree-dump.h (dump_register): Adjust prototype.
2292         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2293         (PROP_trees): Add PROP_gimple_lomp.
2294         (TODO_set_props): New.
2295         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2296         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2297         * cfgexpand.c (pass_expand): Destroy PROP_trees.
2298
2299 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
2300
2301         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2302         (sparc64-*-linux*): Likewise.
2303         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2304         * config/sparc/t-linux: New file.
2305         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2306         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2307         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2308         -m32 -mlong-double-128.
2309
2310         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2311         * config/alpha/t-linux: New file.
2312         * config/alpha/libgcc-alpha-ldbl.ver: New file.
2313
2314         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2315         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2316         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2317         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2318         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2319         (CPP_ARCH32_SPEC): Remove.
2320
2321 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
2322
2323         PR tree-optimization/26145
2324         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2325         bbs pointer.
2326
2327 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2328
2329         PR target/26109
2330         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2331         >= 240000 when generating code for SOM runtime.
2332         (output_indirect_call): Don't use "b,l" instruction for indirect calls
2333         to $$dyncall when generating code for SOM runtime..
2334
2335 2006-02-07  Dirk Mueller  <dmueller@suse.com>
2336
2337         PR c++/18150
2338         * doc/invoke.texi (-Wsequence-point): Update documentation
2339         that -Wsequence-point is implemented for C++ as well.
2340
2341 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2342
2343         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2344         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2345         (LIB_SPEC): Likewise.
2346         * doc/invoke.texi (SPARC options): Document -pthread.
2347
2348 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
2349
2350         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2351         PIC addresses.
2352
2353 2006-02-07  Roger Sayle  <roger@eyesopen.com>
2354
2355         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2356         Correct comment describing BOOLEAN_TYPE.
2357
2358 2006-02-07  Dirk Mueller  <dmueller@suse.com>
2359
2360         * c.opt: C++ frontend supports -Wdiv-by-zero.
2361         * c-opts.c (c_common_handle_option): Remove dead case.
2362
2363 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2364
2365         * configure.ac (TLS assembler check): Do not enable TLS by
2366         default on SPARC/Solaris before version 10.
2367         * configure: Regenerate.
2368
2369 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
2370
2371         * doc/invoke.texi (xl-compat): Document conversion and support
2372         routine names.
2373
2374 2006-02-07  Jeff Law  <law@redhat.com>
2375
2376         * tree-vrp.c (find_conditional_asserts): Update comments.
2377         (simplify_stmt_for_jump_threading): New.
2378         (identify_jump_threads, finalize_jump_threads): New.
2379         (vrp_finalize): Call identify_jump_threads.
2380         (execute_vrp): Call finalize_jump_threads.
2381         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2382         (vrp_element, vrp_data, vrp_element_p): Remove.
2383         (vrp_hash_elt, vrp_variables_stack): Remove.
2384         (vrp_hash, vrp_eq, record_range): Remove.
2385         (simplify_cond_and_lookup_avail_expr): Remove.
2386         (extract_range_from_cond): Remove.
2387         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2388         (simplify_stmt_for_jump_threading): New.
2389         (dom_thread_across_edge): New wrapper.
2390         (tree_ssa_dominator_optimize): No longer initialize or
2391         finalize any of the VRP datastructures.  Remove iteration
2392         step and simplify as a result of removal of iteration step.
2393         (pass_dominator): Perform a cfg cleanup after DOM.
2394         (dom_opt_finalize_block): Use the new common routines
2395         for threading jumps.  Simplify stack management slightly.
2396         No longer need to unwind VRP state.
2397         (record_equivalences_from_incoming_edge): No longer record
2398         VRP information.
2399         (eliminate_redundant_computations): No longer call
2400         simplify_cond_and_lookup_avail_expr.
2401         * tree-flow.h (potentially_threadable_block): Prototype.
2402         (thread_across_edge): Likewise.
2403         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
2404         (tree-ssa-threadedge.o): Add dependencies.
2405         * tree-ssa-threadedge.c: New file.
2406         * passes.c (init_optimization_passes): Merge PHIs before
2407         calling VRP.  Run VRP again late in the SSA optimization pipeline.
2408
2409 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2410
2411         * df-core.c (df_set_blocks): Do not dereference function pointers.
2412         (df_finish1): Likewise.
2413         (df_hybrid_search_forward): Likewise.
2414         (df_hybrid_search_backward): Likewise.
2415         (df_iterative_dataflow): Likewise.
2416         (df_analyze_problem): Likewise.
2417         (df_compact_blocks): Likewise.
2418         (df_dump): Likewise.
2419         * df-scan.c (df_rescan_blocks): Likewise.
2420         (df_record_entry_block_defs): Likewise.
2421
2422         * genconditions.c (write_conditions): Guard the definition of
2423         'insn_conditions' with the check on GCC version.
2424         (write_writer): Guard the traversal 'insn_conditions' with
2425         the check on GCC version.
2426
2427 2006-02-07  Richard Guenther  <rguenther@suse.de>
2428
2429         PR c++/26140
2430         Revert
2431         2006-01-30  Richard Guenther  <rguenther@suse.de>
2432         PR c++/23372
2433         * gimplify.c (gimplify_target_expr): Handle easy cases
2434         without creating a temporary.
2435
2436 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
2437
2438         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2439         use of float in probability computations.  Use edge probabilities
2440         in place of statically computed probabilities.
2441         (min_spec_prob): New static variable.
2442         (schedule_insns): Initialize it.
2443         (GET_SRC_PROB): Removed.
2444         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2445
2446 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
2447
2448         PR debug/24444
2449         * config/ia64/unwind-ia64.c: Revert last change.
2450         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2451         (INCOMING_FRAME_SP_OFFSET): Define.
2452
2453 2006-02-06  Roger Sayle  <roger@eyesopen.com>
2454
2455         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2456
2457 2006-02-07  Ben Elliston  <bje@au.ibm.com>
2458
2459         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2460         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2461         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2462         (ix86_return_in_memory): Handle TDmode.
2463         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2464         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2465
2466 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
2467
2468         * reorg.c (dbr_schedule): Use dump_file instead of file.
2469
2470 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
2471
2472         PR target/25917
2473         * config/ia64/predicates.md (extr_len_operand): New predicate.
2474         * config/ia64/ia64.md (extv): Tighten constraints.
2475         (extzv): Ditto.
2476         (*tbit_and_2): Ditto.
2477         (*tbit_and_3): Ditto.
2478         (*tbit_or_2): Ditto.
2479         (*tbit_or_3): Ditto.
2480         (*bit_zero): Ditto.
2481         (*bit_one): Ditto.
2482
2483 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
2484
2485         PR target/23359
2486         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2487
2488 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2489
2490         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2491         loop_optimizer_init and loop_optimizer_finalize
2492         * tree-ssa-sink.c (execute_sink_code): Ditto.
2493         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2494         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2495         tree_ssa_loop_done): Ditto.
2496         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2497         * sched-ebb.c: Include output.h.
2498         (schedule_ebbs): Do not use dump argument.
2499         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2500         * loop.c (loop_dump_stream): Removed.
2501         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2502         argument.
2503         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2504         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2505         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2506         loop_iterations, strength_reduce, record_biv, record_giv,
2507         final_giv_value, check_final_value, check_ext_dependent_givs,
2508         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2509         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2510         dump_file instead of loop_dump_stream.
2511         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2512         argument dump_file.
2513         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2514         dump argument.
2515         * flow.c (life_analysis, rest_of_handle_life): Ditto.
2516         * haifa-sched.c: Include output.h
2517         (schedule_insns, sched_init): Do not use dump argument.
2518         * mode-switching.c (optimize_mode_switching): Ditto.
2519         * modulo-sched.c (stats_file): Removed.
2520         (print_node_sched_params): Do not call argument dump_file.
2521         (sms_schedule_by_order, loop_canon_p, sms_schedule,
2522         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
2523         of stats_file.
2524         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2525         use dump argument.
2526         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2527         rtl_loop_init, rtl_loop_done): Ditto.
2528         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2529         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2530         Ditto.
2531         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2532         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2533         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2534         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2535         * emit-rtl.c (renumber_insns): Ditto.
2536         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2537         expand_gimple_basic_block, tree_expand_cfg): Ditto.
2538         * regclass.c (regclass): Ditto.
2539         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2540         remove_ssa_form, rewrite_out_of_ssa): Ditto.
2541         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2542         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2543         Ditto.
2544         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2545         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2546         to regclass.
2547         * gcse.c (gcse_file, debug_stderr): Removed.
2548         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2549         rest_of_handle_gcse): Do not use dump argument.
2550         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2551         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2552         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2553         compute_code_hoist_vbeinout, compute_code_hoist_data,
2554         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2555         compute_store_table, build_store_vectors, insert_insn_start_bb,
2556         insert_store, remove_reachable_equiv_notes, replace_store_insn,
2557         store_motion): Use dump_file instead of gcse_file.
2558         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2559         * profile.c (profile_dump_file): Removed.
2560         (branch_prob): Use dump_file instead of profile_dump_file.
2561         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2562         dump_file.
2563         * tree-ssa-copy.c (dump_copy_of): Ditto.
2564         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2565         dump file to life_analysis.
2566         * bt-load.c (branch_target_load_optimize): Ditto.
2567         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2568         renumber_insns.
2569         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2570         regclass, dbr_schedule): Declaration changed.
2571         * sched-int.h (sched_init): Declaration changed.
2572         * tree-profile.c (tree_profile_dump_file): Removed.
2573         (tree_profile_hooks): Removed profile_dump_file hook.
2574         * rtl-profile (rtl_profile_dump_file): Removed.
2575         (rtl_profile_hooks): emoved profile_dump_file hook.
2576         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2577         changed.
2578         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2579         * tree-cfg.c (build_tree_cfg): Ditto.
2580         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2581         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2582         Declaration changed.
2583         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2584         life_analysis and schedule_insns.
2585         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2586         life_analysis.
2587         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2588         dbr_schedule.
2589         * config/mips/mips.c (mips_reorg): Ditto.
2590         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2591         schedule_ebbs.
2592
2593 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
2594
2595         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2596         (s390_mangle_fundamental_type): New.
2597         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2598         Define.
2599
2600         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2601         (alpha_mangle_fundamental_type): New.
2602         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2603         Define.
2604
2605         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2606         Define.
2607         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2608         Define.
2609         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2610         (sparc_mangle_fundamental_type): New.
2611
2612 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
2613
2614         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2615         (s390x-*-linux*): Likewise.
2616         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2617         * config/s390/t-linux: New file.
2618
2619 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
2620
2621         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2622         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2623
2624 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
2625
2626         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2627         (ANTIC_SAFE_LOADS): New macro.
2628         (find_or_generate_expression): Add prototype.
2629         (set_contains_value): Allow null set for sake of not always having
2630         to allocate ANTIC_SAFE_LOADS.
2631         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2632         Allow COMPONENT_REF too.
2633         (valid_in_set): Allow COMPONENT_REF.
2634         Check ANTIC_SAFE_LOADS too.
2635         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2636         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2637         rename.
2638         (can_PRE_operation): Add COMPONENT_REF.
2639         (create_component_ref_by_pieces): New function.
2640         (create_expression_by_pieces): Use create_component_ref_by_pieces.
2641         (insert_aux): Move AGGREGATE_TYPE_P check here.
2642         (compute_avail): Set bb local stmt uids.
2643         (pass_pre): Use TODO_update_ssa_only_virtuals.
2644
2645 2006-02-06  Ben Elliston  <bje@au.ibm.com>
2646
2647         * configure.ac: Unconditionally disable decimal float by default.
2648         * configure: Regenerate.
2649
2650 2006-02-06  Ben Elliston  <bje@au.ibm.com>
2651
2652         * read-rtl.c (read_name): Terminate reading on EOF.
2653
2654 2006-02-06  Ben Elliston  <bje@au.ibm.com>
2655
2656         * dfp.c (decimal_real_arithmetic): Change second argument type
2657         from int to enum tree_code. Do not always return true, but now
2658         return result of any call to decimal_do helper functions.
2659         * dfp.h (decimal_real_arithmetic): Update prototype.
2660
2661 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2662
2663         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2664
2665 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
2666
2667         PR tree-opt/25251
2668         * tree-cfg.c (cleanup_dead_labels): Also don't remove
2669         forced labels.
2670
2671 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2672
2673         * tree-vrp.c (cfg_loops): Removed.
2674         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2675         Use current_loops instead of cfg_loops.  Pass flags to
2676         loop_optimizer_init.
2677         * cfgloopmanip.c (fix_loop_structure): Update only available
2678         information.
2679         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2680         loop_optimizer_init.
2681         * modulo-sched.c (build_loops_structure): Removed.
2682         (sms_schedule): Use loop_optimizer_init.
2683         * loop-init.c (loop_optimizer_init): Use flags to determine
2684         which properties of loops to prepare.
2685         (rtl_loop_init): Pass flags to loop_optimizer_init.
2686         * tree-ssa-sink.c (execute_sink_code): Ditto.
2687         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2688         * tree-ssa-pre.c (init_pre): Ditto.
2689         * cfgloop.h (LOOPS_NORMAL): New.
2690         (loop_optimizer_init): Declaration changed.
2691
2692 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2693
2694         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2695         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2696         pa/t-pa.
2697         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2698         pa/t-pa.
2699         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2700         pa/x-ada.
2701         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2702         * pa/t-pa64: Delete quadlib.c rule.
2703         * pa/x-ada: Revert last change.
2704         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
2705
2706 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2707
2708         PR rtl-optimization/26087
2709         * rtlanal.c (canonicalize_condition): Do not cross basic block
2710         boundaries.
2711
2712 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
2713
2714         PR debug/24444
2715         * config/ia64/ia64.c: Include debug.h.
2716         (MAX_ARTIFICIAL_LABEL_BYTES): New.
2717         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2718         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2719         (process_epilogue, process_set, process_for_unwind_directive):
2720         Output unwind info only if requested.  Add CFA info if requested.
2721         Add new arguments as needed.  Adjust callers.
2722         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2723         incorrect default.
2724         (DWARF2_FRAME_INFO): Define to zero.
2725         * config/ia64/unwind-ia64.c: Remove code that compensated for
2726         the CFA offset error fixed above.
2727         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2728         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2729         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2730         -funwind-tables and -fexceptions to enable frame info.
2731         (dwarf2out_frame_init): Define initial CFA even if
2732         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
2733         DWARF2_UNWIND_INFO is nonzero, not just defined.
2734         (dwarf2out_frame_finish): Output non-EH call frame info only
2735         if DWARF2_FRAME_INFO is nonzero.
2736         (convert_cfa_to_loc_list,
2737         compute_frame_pointer_to_cfa_displacement): Define even if
2738         unwind info is not supported.
2739         (gen_subprogram_die): Use the above unconditionally.  Remove
2740         legacy alternate code.
2741         * toplev.c (compile_file): Compile in call to
2742         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2743         (lang_dependent_init): Ditto for dwarf2out_frame_init.
2744
2745 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
2746             Jakub Jelinek  <jakub@redhat.com>
2747
2748         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2749         IBM extended float format long double as "g" on powerpc*-linux.
2750
2751 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2752
2753         PR target/25926
2754         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2755         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2756
2757 2006-02-03  Jason Merrill  <jason@redhat.com>
2758
2759         PR c++/25979
2760         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2761
2762         PR middle-end/25977
2763         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2764         on the return slot if it's an NRV.
2765
2766 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
2767
2768         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2769         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2770         rewrite_use): Do not handle USE_OUTER.
2771         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2772         add_iv_outer_candidates, may_replace_final_value,
2773         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2774         (find_interesting_uses_op): Functionality of
2775         find_interesting_uses_outer_or_nonlin moved here.
2776         (find_interesting_uses_outside): Use find_interesting_uses_op.
2777
2778 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
2779
2780         PR target/25960
2781         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2782
2783 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
2784             Ulrich Weigand  <uweigand@de.ibm.com>
2785
2786         PR target/25864
2787         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2788         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2789         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2790         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2791         and dxr fields.
2792         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2793         (s390_rtx_costs): Use the new fields to calculate rtx costs.
2794         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2795         Define secondary reloads for TFmode moves.
2796         (constant_modes): Add TFmode.
2797         (NR_C_MODES): Set to 8.
2798         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2799         builtin define.
2800         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2801         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2802         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2803         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2804         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2805         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2806         (FPR mode macro): Add TFmode.
2807         (DSF mode macro): New.
2808         (<de>, <dee> mode attributes): Removed.
2809         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2810         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2811         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2812         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2813         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2814         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2815         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2816         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2817         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2818         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2819         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2820         "*negabs<mode>2", "sqrt<mode>2"):
2821         Changed <de> to <xde>. R constraint replaced by <Rf>.
2822         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2823         <Rf>.
2824         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2825         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2826         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2827         splitters.
2828         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2829         "extenddftf2", "extendsftf2"): New expanders.
2830         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2831         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2832         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2833         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2834         New options.
2835         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2836         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2837         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2838         __floatditf): Add a GCC_4.1.0 symbol version tag.
2839         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2840         the new options.
2841
2842 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
2843
2844         PR target/25377
2845         * config/i386/i386.c (ix86_function_ok_for_sibcall):
2846         Use targetm.binds_local_p instead of TREE_PUBLIC.
2847
2848 2006-02-02  Roger Sayle  <roger@eyesopen.com>
2849
2850         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2851         on INTEGER_TYPEs to indicate that it denotes a character type.
2852         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2853         signed_char_type_node, unsigned_char_type_node and char_type_node.
2854         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2855         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
2856         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2857
2858 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
2859             Daniel Berlin  <dberlin@dberlin.org>
2860
2861         * tree-tailcall.c (arg_needs_copy_p): New function.
2862         (eliminate_tail_call): Use arg_needs_copy_p.
2863         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2864         (add_virtual_phis): New function.
2865
2866 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
2867
2868         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2869         #ignore instead of #scratch for %g7 .register directive.
2870
2871 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
2872
2873         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2874         object files.
2875
2876 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
2877
2878         * flow.c (calculate_global_regs_live): Assert that there aren't any
2879         EDGE_FAKE edges.
2880
2881 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
2882
2883         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2884         what its name says.
2885         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2886         bsi_after_labels iterator.
2887         * tree-if-conv.c (find_phi_replacement_condition,
2888         replace_phi_with_cond_modify_expr): Likewise.
2889         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2890         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2891
2892 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
2893
2894         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2895
2896 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
2897
2898         PR 25990
2899         * tree-cfg.c (move_block_to_fn): Clear out the basic block
2900         array after growing it.
2901
2902 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
2903
2904         PR middle-end/24901
2905         * fold-const.c (fold_checksum_tree): Change type of buf.
2906
2907 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
2908
2909         * reload.c (push_secondary_reload): Initialize t_icode.
2910
2911 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
2912
2913         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2914         -msoft-float -mlong-double-128 only issue a warning, but don't
2915         swich to DFmode long double.
2916
2917 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
2918
2919         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2920         has a constant equivalent, iterate over equivalents for arg0,
2921         calling simplify_relational_operation and if there's a result
2922         cheaper than X, apply fold_rtx and return the result.
2923
2924 2006-02-01  Jan Hubicka  <jh@suse.cz>
2925
2926         * opts.c (no_unit_at_a_time_default): New global variable.
2927         (decode_options): Use it.
2928         * opts.h (no_unit_at_a_time_default): Declare.
2929
2930 2006-02-01  Paul Brook  <paul@codesourcery.com>
2931
2932         * function.c (assign_parm_setup_reg): Use function argument promotion
2933         rules.
2934         * expr.c (expand_expr_real_1): Use function argument promotion rules
2935         for PARM_DECLs.
2936
2937 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
2938
2939         * gcc.c (process_command): Change j to 'unsigned int'.
2940
2941 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2942
2943         PR middle-end/26001
2944         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2945         Use the corrected index for the character
2946         out of the string constant.
2947
2948 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2949
2950         * mode-switching.c (optimize_mode_switching): Fix size
2951         allocated for bb_info[n_entities].
2952
2953 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2954
2955         * gcc.c (main): Correct type that is allocated for
2956         explicit_link_files.
2957
2958 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
2959
2960         * config/s390/s390.c (init_alignment_context): Set
2961         ALIAS_SET_MEMORY_BARRIER on the MEM.
2962         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2963
2964 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
2965
2966         PR middle-end/25933
2967         * loop-unroll.c (unroll_loop_runtime_iterations): Free
2968         dom_bbs pointer.
2969         * tree-ssa-live.c (type_var_init): Allocate bitmap after
2970         call to tpa_init.
2971
2972 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
2973
2974         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2975         * regrename.c: Ditto.
2976         * tree-ssa-loop-im.c: Ditto.
2977         * tree-dump.c: Ditto.
2978         * tree-complex.c: Ditto.
2979         * genrecog.c: Ditto.
2980         * tree-ssa-threadupdate.c: Ditto.
2981         * tracer.c: Ditto.
2982         * java/class.c: Ditto.
2983         * java/jcf-parse.c: Ditto.
2984         * java/resource.c: Ditto.
2985         * java/except.c: Ditto.
2986         * java/jvspec.c: Ditto.
2987         * java/jcf-write.c: Ditto.
2988         * java/jcf-path.c: Ditto.
2989         * java/gjavah.c: Ditto.
2990         * java/zextract.c: Ditto.
2991         * java/jcf-io.c: Ditto.
2992         * java/jcf.h: Ditto.
2993         * java/buffer.c: Ditto.
2994         * java/lang.c: Ditto.
2995         * java/parse-scan.y: Ditto.
2996         * java/lex.c: Ditto.
2997         * java/lex.h: Ditto.
2998         * cfgloopmanip.c: Ditto.
2999         * postreload-gcse.c: Ditto.
3000         * tree-ssa-loop-manip.c: Ditto.
3001         * postreload.c: Ditto.
3002         * tree-ssa-loop-ch.c: Ditto.
3003         * loop.c: Ditto.
3004         * ipa-cp.c: Ditto.
3005         * cppspec.c: Ditto.
3006         * diagnostic.c: Ditto.
3007         * final.c: Ditto.
3008         * genoutput.c: Ditto.
3009         * gcc.c: Ditto.
3010         * cfghooks.c: Ditto.
3011         * cfgloopanal.c: Ditto.
3012         * objc/objc-act.c: Ditto.
3013         * gcov.c: Ditto.
3014         * genextract.c: Ditto.
3015         * genautomata.c: Ditto.
3016         * pretty-print.c: Ditto.
3017         * genemit.c: Ditto.
3018         * cgraphunit.c: Ditto.
3019         * flow.c: Ditto.
3020         * df-scan.c: Ditto.
3021         * haifa-sched.c: Ditto.
3022         * dominance.c: Ditto.
3023         * dbxout.c: Ditto.
3024         * tree-ssa-loop-ivopts.c: Ditto.
3025         * df-core.c: Ditto.
3026         * mode-switching.c: Ditto.
3027         * modulo-sched.c: Ditto.
3028         * graph.c: Ditto.
3029         * ipa-pure-const.c: Ditto.
3030         * cse.c: Ditto.
3031         * fix-header.c: Ditto.
3032         * web.c: Ditto.
3033         * tree-stdarg.c: Ditto.
3034         * ipa-utils.c: Ditto.
3035         * loop-init.c: Ditto.
3036         * ipa-inline.c: Ditto.
3037         * cfganal.c: Ditto.
3038         * global.c: Ditto.
3039         * alloc-pool.c: Ditto.
3040         * dwarf2out.c: Ditto.
3041         * opts.c: Ditto.
3042         * genattrtab.c: Ditto.
3043         * tree-ssa-loop-ivcanon.c: Ditto.
3044         * predict.c: Ditto.
3045         * timevar.c: Ditto.
3046         * lcm.c: Ditto.
3047         * fortran/gfortranspec.c: Ditto.
3048         * regmove.c: Ditto.
3049         * local-alloc.c: Ditto.
3050         * langhooks.c: Ditto.
3051         * function.c: Ditto.
3052         * tree-vectorizer.c: Ditto.
3053         * gcse.c: Ditto.
3054         * ipa-type-escape.c: Ditto.
3055         * alias.c: Ditto.
3056         * tree-if-conv.c: Ditto.
3057         * profile.c: Ditto.
3058         * ipa.c: Ditto.
3059         * tree-data-ref.c: Ditto.
3060         * loop-unroll.c: Ditto.
3061         * treelang/treetree.c: Ditto.
3062         * calls.c: Ditto.
3063         * bt-load.c: Ditto.
3064         * ggc-common.c: Ditto.
3065         * except.c: Ditto.
3066         * coverage.c: Ditto.
3067         * cselib.c: Ditto.
3068         * tree-cfgcleanup.c: Ditto.
3069         * tree-ssa-pre.c: Ditto.
3070         * cfgcleanup.c: Ditto.
3071         * loop-invariant.c: Ditto.
3072         * loop-iv.c: Ditto.
3073         * ipa-prop.c: Ditto.
3074         * print-tree.c: Ditto.
3075         * conflict.c: Ditto.
3076         * ggc-page.c: Ditto.
3077         * sched-deps.c: Ditto.
3078         * regclass.c: Ditto.
3079         * tree-object-size.c: Ditto.
3080         * combine.c: Ditto.
3081         * bb-reorder.c: Ditto.
3082         * resource.c: Ditto.
3083         * var-tracking.c: Ditto.
3084         * cfgloop.c: Ditto.
3085         * df-problems.c: Ditto.
3086         * reg-stack.c: Ditto.
3087         * tlink.c: Ditto.
3088         * gccspec.c: Ditto.
3089         * sched-rgn.c: Ditto.
3090         * tree-ssa-structalias.c: Ditto.
3091         * tree-ssa-reassoc.c: Ditto.
3092         * config/darwin-c.c: Ditto.
3093         * config/darwin.c: Ditto.
3094         * config/arm/arm.c: Ditto.
3095         * cfgrtl.c: Ditto.
3096         * collect2.c: Ditto.
3097         * reload1.c: Ditto.
3098
3099 2006-01-31  Nicolas Pitre  <nico@cam.org>
3100
3101         * arm.md (smaxsi3): Make aware of smax_m1.
3102         (smax_m1): New.
3103
3104 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
3105
3106         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3107
3108 2006-01-31  Richard Guenther  <rguenther@suse.de>
3109
3110         * doc/invoke.texi (-msselibm): Document.
3111         * target.h (expand_library_builtin): New target hook.
3112         * builtins.c (expand_builtin): Use expand_library_builtin.
3113         (default_expand_library_builtin): New function.
3114         * gcc.c (LINK_GCC_MATH_SPEC): Define.
3115         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3116         (link_gcc_math_spec): Declare.
3117         (static_specs): Add link_gcc_math_spec.
3118         * expr.h (default_expand_library_builtin): Declare.
3119         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3120         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3121         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3122         * config/i386/i386.opt (msselibm): New target option.
3123         * config/i386/i386.c (ix86_builtin_function_variants): New array.
3124         (ix86_init_sse_abi_builtins): New function.
3125         (ix86_expand_library_builtin): Likewise.
3126         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3127         (override_options): Handle error conditions wrt -msselibm.
3128         (ix86_builtins): Add function codes for SSE2 ABI builtins.
3129         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3130         * doc/extend.texi (__builtin_sse2_*): Document new target specific
3131         builtins.
3132
3133 2006-01-31  Richard Guenther  <rguenther@suse.de>
3134         Paolo Bonzini  <bonzini@gnu.org>
3135
3136         * doc/install.texi (--disable-libgcc-math): Document.
3137
3138 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
3139
3140         * expr.h (expand_normal): new inline function.
3141         * builtins.c: use it, use EXPAND_NORMAL explicitely.
3142         * dojump.c: use it.
3143         * dwarf2out.c: use it.
3144         * expr.c: use it.
3145         * calls.c: use it.
3146         * expmed.c: use it.
3147         * except.c: use it.
3148         * config/sparc/sparc.c: use it.
3149         * config/i386/i386.c: use it.
3150         * config/rs6000/rs6000.c: use it.
3151         * config/arm/arm.c: use it.
3152         * config/mips/mips.c: use it.
3153         * stmt.c: use it, use EXPAND_NORMAL explicitely.
3154
3155 2006-01-30  Roger Sayle  <roger@eyesopen.com>
3156
3157         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3158         argv to the appropriate type.
3159
3160 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
3161
3162         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3163         unreachable code.
3164
3165 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
3166
3167         PR target/26018
3168         * config/s390/s390.c (struct machine_function): New flag
3169         decomposed_literal_pool_addresses_ok_p.
3170         (s390_reorg): Set it before final stage of literal pool transforms.
3171         (s390_decompose_address): Only accept displacements of the form
3172         (minus (label_ref ...) (label_ref ...)) if that flag is set.
3173
3174 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
3175
3176         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3177         the comparison routine return.
3178
3179 2006-01-30  Michael Matz  <matz@suse.de>
3180
3181         * global.c (find_reg): Only evict for global regs.
3182         Take n_refs into account and dump more info.
3183
3184 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
3185
3186         PR target/14798:
3187         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3188         (pragma_trap, pragma_nosave_low_regs): Likewise.
3189         (current_function_anonymous_args): Likewise.
3190         (sh_deferred_function_attributes): New variable.
3191         (sh_deferred_function_attributes_tail): Likewise.
3192         (print_operand): For '@', look up trap_exit attribute.
3193         (calc_live_regs): Look up trapa_handler attribute.  For trapa
3194         handlers, save/restore fpscr, but don't do any other
3195         interrupt-specific saves.
3196         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3197         Fix check for partially saved registers to check for SHmedia.
3198         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3199         (sh_output_function_epilogue): Don't clear any of the removed
3200         variables.
3201         (sh_insert_attributes): Don't check pragma_interrupt.
3202         Insert deferred attributes.  Check that interrupt attribute is
3203         present for other attributes that require its presence.
3204         (sh_attribute_table): Add new attributes trapa_handler and
3205         nosave_low_regs.
3206         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3207         Don't check for pragma_interrupt.  Don't store argument.
3208         * sh.h (pragma_interrupt, sp_switch): Don't declare.
3209         (sh_deferred_function_attributes): Declare.
3210         (sh_deferred_function_attributes_tail): Likewise.
3211         * sh.md (sp_switch_1): Add operand.  Change generator caller.
3212         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3213         (*return_i): Don't use when trap_exit attribute is in effect.
3214         (*return_trapa): New insn pattern.
3215         * sh-c.c: New file.
3216         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3217         setting c_target_objs and cxx_target_objs.
3218         * t-sh: Add rule for sh-c.o.
3219
3220 2006-01-30  Richard Guenther  <rguenther@suse.de>
3221
3222         PR c++/23372
3223         * gimplify.c (gimplify_target_expr): Handle easy cases
3224         without creating a temporary.
3225
3226 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
3227
3228         * vec.h (safe_grow): Remove duplicated line.
3229
3230 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
3231
3232         PR 25874
3233         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3234         (expand_omp): ... here.
3235         (expand_omp_parallel): Only remove barriers for combined
3236         parallel+workshare constructs.
3237
3238 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
3239
3240         Revert
3241
3242         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3243         * tree.c (build_qualified_type): Chain the new type to the original
3244         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3245         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3246         (build_pointer_type_for_mode): Only return unqualified types.
3247         (build_reference_type_for_mode): Likewise.
3248
3249 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
3250
3251         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3252         * Makefile.in (CXX_COMPAT_WARN): Define.
3253         * configure: Regenerate.
3254
3255 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
3256
3257         PR tree-opt/25911
3258         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3259         to an if check.
3260
3261 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3262
3263         * toplev.c: Fix thinko.
3264
3265 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3266             Marcin Dalecki  <martin@dalecki.de>
3267
3268         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3269         (push_srcloc): Use XNEW.
3270         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3271
3272 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
3273
3274         * df-core.c (df_set_blocks): Deleted all variable.
3275
3276 2006-01-28  Ian Lance Taylor  <ian@airs.com>
3277
3278         * cgraphunit.c (cgraph_assemble_pending_functions): Call
3279         cgraph_output_pending_asms.
3280
3281 2006-01-28  Zack Weinberg  <zackw@panix.com>
3282
3283         * c.opt: Add -W(no-)overlength-strings.
3284         * doc/invoke.texi: Document it.
3285         * c-opts.c (c_common_handle_option): -pedantic implies
3286         -Woverlength-strings, if not explicitly disabled already.
3287         (c_common_post_options): -Woverlength-strings defaults to off, and
3288         is always off for C++.
3289         * c-common.c (fix_string_type): Issue warning about strings longer
3290         than is portable only if warn_overlength_strings.  Rearrange code
3291         a little for clarity.
3292         * configure.in: Check for -Wno-overlength-strings as well before
3293         enabling -pedantic in stage 1.
3294         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3295         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3296
3297         * genconditions.c (write_header, write_one_condition)
3298         (write_conditions, write_writer): Consolidate very long strings
3299         that were broken up to fit in C89 portable limit.  Don't use
3300         printf when fputs will do.
3301
3302 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
3303
3304         * combine.c (simplify_comparison <AND>): Check
3305         TRULY_NOOP_TRUNCATION before start using a subreg.
3306
3307         * config/mips/mips.md (*branch_zero<mode>,
3308         *branch_zero<mode>_inverted, *branch_equality<mode>,
3309         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3310         Remove mode check from comparisons.
3311
3312 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
3313
3314         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3315
3316 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
3317
3318         * expmed.c (const_mult_add_overflow_p): Remove.
3319         * expr.h: Remove the prototype for const_mult_add_overflow_p.
3320
3321         * recog.c (validate_replace_rtx_subexp): Remove.
3322         * recog.h: Remove the prototype for
3323         validate_replace_rtx_subexp.
3324
3325         * integrate.h: Remove the prototype for
3326         copy_decl_for_inlining.
3327         * rtl.h: Remove the prototype for mark_constant_function.
3328         * tree-vectorizer.h: Remove the prototype for
3329         vect_strip_conversion.
3330
3331         * modulo-sched.c (create_partial_schedule,
3332         free_partial_schedule, reset_partial_schedule): Make them
3333         static.
3334
3335         * hooks.c (hook_bool_rtx_int_false): Remove.
3336         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3337
3338 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
3339
3340         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3341         and -mlong-double-128 are incompatible.
3342         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3343         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3344         (TARGET_LIBGCC2_CFLAGS): Define.
3345         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3346         (TARGET_LIBGCC2_CFLAGS): Same.
3347         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3348
3349 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
3350
3351         PR c/19606.
3352         * c-typeck.c (build_binary_op): Perform implicit casts of
3353         operands before shortening them.
3354
3355         * cfgloopmanip.c (split_loop_bb): Remove.
3356         * cfgloop.h: Remove the prototype for split_loop_bb.
3357
3358         * cfgloop.c (flow_loop_outside_edge_p): Remove.
3359         * cfgloop.h: Remove the prototype for
3360         flow_loop_outside_edge_p.
3361
3362         * emit-rtl.c (init_virtual_regs): Make it static.
3363         * function.h: Remove the prototype for init_virtual_regs.
3364
3365         * recog.c (peephole2_optimize): Make it static.
3366         * recog.h: Remove the prototype for peephole2_optimize.
3367
3368 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3369
3370         * df-scan.c (df_record_entry_block_defs): Check if
3371         INCOMING_RETURN_ADDR_RTX is defined.
3372
3373 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
3374             Kenneth Zadeck <zadeck@naturalbridge.com>
3375
3376         PR rtl-optimization/24762
3377         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3378         * targhooks.c (hook_void_bitmap): New hook prototype.
3379         * targhoohs.h (hook_void_bitmap): Ditto.
3380         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3381         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3382         * target.h (live_on_entry): New function pointer.
3383         * df-scan.c (df_all_hard_regs): Removed.
3384         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3385         (df_scan_free_internal): Added df->entry_block_defs.
3386         (df_scan_alloc): Ditto.
3387         (df_scan_dump): Ditto.
3388         (df_uses_record): Plumbed flag field properly thru calls.
3389         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3390         This part fixes PR24762.
3391         (df_bb_refs_record): Added code to make the frame and arg
3392         pointers live in EH blocks.
3393         (df_refs_record): Added call to df_record_entry_block_defs.
3394         (df_record_entry_block_defs): New function.
3395         * df-core.c: Added comments to describe new artifical defs.
3396         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3397         (entry_block_defs): New field in struct df.
3398         (df_all_hard_regs): Deleted.
3399         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3400         * df-problems.c (df_ru_bb_local_compute_process_def):
3401         Added code to handle artifical defs in the entry to a function.
3402         (df_ru_bb_local_compute): Ditto.
3403         (df_rd_bb_local_compute_process_def):  Ditto.
3404         (df_rd_bb_local_compute): Ditto.
3405         (df_lr_bb_local_compute): Ditto.
3406         (df_ur_bb_local_compute): Ditto.
3407         (df_urec_bb_local_compute):  Ditto.
3408         (df_chain_create_bb):  Ditto.
3409         (df_ur_local_finalize): Removed entry.
3410         (df_urec_init): Ditto.
3411         (df_urec_local_finalize): Ditto.
3412         (df_ri_bb_compute): Added detection of last use of pseudos.
3413         * Makefile.in (df-scan.o): Updated dependencies.
3414         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3415         * config/mips/mips.c (mips_set_live_on_entry): Added.
3416         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3417         for target hook.
3418         * dce.c (marked_insn_p): Added code to handle artifical defs.
3419
3420 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3421
3422         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3423         intrinsic.
3424         (_mm_cvtsi128_si64): Likewise.
3425         (_mm_cvtsd_si64): Likewise.
3426         (_mm_cvttsd_si64): Likewise.
3427         (_mm_cvtsi64_sd): Likewise.
3428         (_mm_cvtsi64_si128): Likewise.
3429         * config/i386/mmintrin.h (_m_from_int64): Likewise.
3430         (_mm_cvtsi64_m64): Likewise.
3431         (_m_to_int64): Likewise.
3432         (_mm_cvtm64_si64): Likewise.
3433         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3434         (_mm_cvttss_si64): Likewise.
3435         (_mm_cvtsi64_ss): Likewise.
3436         (_mm_cvtss_f32): Likewise.
3437
3438 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
3439
3440         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3441         for pragma redefine_extname.
3442
3443 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
3444
3445         PR target/25864
3446         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3447         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3448         -mno-minimal-toc to previous content.
3449         (bispecs): Remove goal.
3450         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3451         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3452         compatibility aliases on powerpc-*-*gnu*.
3453         * config/rs6000/libgcc-ppc-glibc.ver: New file.
3454         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3455         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3456         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3457         (ldblspecs): New goal.
3458         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3459         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3460         _df_to_tf.
3461         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3462         L_sf_to_tf or L_df_to_tf is defined.
3463
3464 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
3465             Alan Modra  <amodra@bigpond.net.au>
3466
3467         PR target/25864
3468         * config/rs6000/linux.h (POWERPC_LINUX): Define.
3469         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3470         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3471         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3472         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3473         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3474         (rs6000_override_options): Initialize rs6000_ieeequad.
3475         Initialize TFmode format to ibm_extended_format if not
3476         TARGET_IEEEQUAD.
3477         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3478         ieeelongdouble.
3479         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3480         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3481         (function_arg_advance): IBM long double passed in two FPRs, not
3482         split.
3483         (function_arg): IBM long double passed in FPRs.
3484         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3485         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3486         Only multireg GPR aligned.
3487         (rs6000_init_libfuncs): Enable IBM long double functions if not
3488         IEEEQUAD.
3489         (rs6000_generate_compare): Use IBM long double compare if not
3490         TARGET_IEEEQUAD.
3491         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3492         (TARGET_IEEEQUAD): Define.
3493         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3494         not TARGET_IEEEQUAD.
3495         * config/rs6000/rs6000.md: Enable TFmode patterns if
3496         !TARGET_IEEEQUAD.
3497         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3498         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3499         and -mlong-double-128 are incompatible.
3500         * doc/invoke.texi (-mabi): Collect options together.  Add
3501         ibmlongdouble and ieeelongdouble.
3502
3503 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
3504
3505         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3506         opaque type.
3507         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3508         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3509         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3510         * rtl.h (rtunion_def): Remove rt_ptr.
3511         (X0PTR): Delete.
3512         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3513         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3514         * config/i386/winnt.c (i386_pe_mark_dllexport)
3515         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3516
3517 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3518
3519         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3520
3521 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
3522
3523         PR other/24829
3524         PR target/24831
3525         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3526         pthread_key_delete.  From John David Anglin.  gthrw-ify
3527         pthread_getunique_np only if it it's not a macro.  Delete
3528         UNUSED macro.
3529         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3530         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3531         __gthread_objc_condition_signal, __gthread_key_delete): Add
3532         "__attribute__ ((__unused__))" to unused arguments.
3533         (__gthread_recursive_mutex_init_function): Add missing return.
3534         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3535         gthr-posix95.h: Use macro-based approach for name redirection
3536         on targets missing weakref.
3537
3538 2006-01-26  Zack Weinberg  <zackw@panix.com>
3539
3540         * genconditions.c (write_header): In generated code, #ifdef out
3541         all includes and fake declarations, except includes of bconfig.h
3542         and system.h, unless GCC_VERSION >= 3001.  Do not include
3543         gensupport.h in any case.
3544         (write_conditions): Generate a definition of struct c_test.  Add
3545         a comment to the generated #endif.
3546         (write_one_condition): Escape backslashes in string too.
3547         (write_writer): Generated code must escape backslashes and quote
3548         marks (but not newlines) in the strings it writes.
3549         * Makefile.in (build/gencondmd.o): Update dependencies.
3550
3551 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
3552
3553         PR target/25961
3554         * Makefile.in (insn-automata.o): Add header file dependencies.
3555         * genautomata.c: Add includes.
3556
3557 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
3558
3559         PR target/25961
3560         * Makefile.in (insn-automata.o): Add -Wno-error flag.
3561
3562 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
3563
3564         * configure.ac: Expect target tools paths to be passed from the toplevel
3565         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
3566         AS_SET_VAR_IF.
3567         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3568
3569 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
3570
3571         PR c/25892
3572         * c.opt (Wpointer-sign): Init to -1.
3573         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3574         OPT_pedantic, to 0 otherwise.
3575         * doc/invoke.texi: Update.
3576
3577 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
3578
3579         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3580         constants provided by 80387 instructions in the destination mode.
3581
3582 2006-01-26  Richard Guenther  <rguenther@suse.de>
3583             Andrew Pinski  <pinskia@physics.uc.edu>
3584
3585         PR tree-opt/21470
3586         partial PR tree-opt/17064
3587         * tree-ssa-structalias.c (intra_create_variable_infos):
3588         Create heap variables for incoming parameters if
3589         flag_argument_noalias > 1.
3590         (find_what_p_points_to): Look through default defs of
3591         parameter decls.
3592
3593 2006-01-26  Jeff Law  <law@redhat.com>
3594
3595         PR ada/25900
3596         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3597         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3598         within the VR_RANGE, use the VR_RANGE as the result, not the
3599         VR_ANTI_RANGE.
3600         (adjust_range_with_scev): Reject ranges from SCEV which are out of
3601         bounds for the type.
3602
3603 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
3604
3605         * tree-ssa-alias.c (maybe_create_global_var): Change
3606         subvar walking to an assertion that we don't have subvar'd variables.
3607
3608 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
3609
3610         PR C/25861
3611         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3612         Use a new variable, inner.  PARM_DECLs are always non-weak.
3613
3614 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
3615
3616         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3617         --disable-checking.
3618
3619 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
3620
3621         * config/mips/mips.md (*clear_upper32): New combiner pattern.
3622
3623 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
3624
3625         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3626         (smax_insn, smin_insn, smax_0, smin_0): New.
3627
3628 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
3629
3630         PR target/25947
3631         * config/cris/cris.c (cris_order_for_addsi3): New function.
3632         * config/cris/cris-protos.h: Prototype it.
3633         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3634         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3635         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3636         (split for "op.S1 [rx=rx+i],ry (swapped)")
3637         (split for "op(s|u).S1 [rx=rx+i],ry")
3638         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3639         Apply cris_order_for_addsi3 when generating addsi3 insns.
3640
3641 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
3642
3643         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3644         (TREE_BLOCK): Add call to EXPR_CHECK.
3645
3646 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
3647
3648         PR 25886
3649         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3650         * tree-pretty-print.c (dump_omp_clause): Extract from ...
3651         (dump_omp_clauses): ... here.
3652         (dump_generic_node): Handle OMP_CLAUSE.
3653         * tree.c (omp_clause_num_ops): New.
3654         (omp_clause_code_name): New.
3655         (tree_code_size): Handle OMP_CLAUSE.
3656         (tree_size): Likewise.
3657         (make_node): Document handling of OMP_CLAUSE.
3658         (tree_node_structure): Handle OMP_CLAUSE.
3659         (omp_clause_check_failed): New.
3660         (omp_clause_range_check_failed): New.
3661         (omp_clause_operand_check_failed): New.
3662         (build_omp_clause): New.
3663         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3664         * tree.h (enum omp_clause_code): Declare.
3665         (OMP_CLAUSE_SUBCODE_CHECK): Define.
3666         (OMP_CLAUSE_RANGE_CHECK): Define.
3667         (OMP_CLAUSE_ELT_CHECK): Define.
3668         (omp_clause_check_failed): Declare.
3669         (omp_clause_operand_check_failed): Declare.
3670         (omp_clause_range_check_failed): Declare.
3671         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3672         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3673         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3674         (OMP_CLAUSE_LASTPRIVATE): Likewise.
3675         (OMP_CLAUSE_IF_EXPR): Likewise.
3676         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3677         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3678         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3679         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3680         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3681         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3682         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3683         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3684         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3685         (OMP_CLAUSE_CODE): Define.
3686         (OMP_CLAUSE_SET_CODE): Define.
3687         (OMP_CLAUSE_CODE): Define.
3688         (OMP_CLAUSE_OPERAND): Define.
3689         (struct tree_omp_clause): Declare.
3690         (union tree_node): Add field 'omp_clause'.
3691         * treestruct.def (TS_OMP_CLAUSE): Define.
3692         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3693         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3694         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3695         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3696         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3697         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3698         (OMP_CLAUSE): Define.
3699         * print-tree.c (print_node): Handle OMP_CLAUSE.
3700         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3701         * c-typeck.c: Likewise.
3702         * gimplify.c: Likewise.
3703         * c-omp.c: Likewise.
3704         * tree-nested.c: Likewise.
3705         * tree-inline.c: Likewise.
3706         * c-parser.c: Likewise.
3707         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3708         clauses.
3709
3710 2006-01-25  Roger Sayle  <roger@eyesopen.com>
3711
3712         PR rtl-optimization/25703
3713         * combine.c (try_combine): Handle zero_extract and strict_low_part
3714         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3715
3716 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
3717
3718         * global.c: Fix comment typos.
3719
3720 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
3721
3722         PR target/25758
3723         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3724         Use output_addr_const instead of assemble_name.
3725
3726 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
3727
3728         * Makefile.in (sched-vis.o): Update dependencies.
3729         * haifa-sched.c (sched_finish): Clear current_sched_info.
3730         * cfg.c (dump_bb_info): New, split from dump_flow_info.
3731         (dump_flow_info): Call it.
3732         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3733         a slim RTL dump.
3734         * basic-block.h (dump_bb_info): Declare.
3735         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3736         option, and apply options only for dump files whose TDF_RTL,
3737         TDF_TREE, or TDF_IPA bits match.
3738         * rtl.h: Declare new functions exported from sched-vis.c.
3739         * sched-vis.c: Enable also if scheduling is not used.
3740         (print_value): Print the mode of registers if not inside scheduling.
3741         (print_insn): Make it work outside the scheduler.  Beautify the output
3742         a bit.
3743         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3744
3745 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
3746
3747         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3748         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3749         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3750         depending on the value of CONSTANT_POOL_ADDRESS_P.
3751         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3752         SYMBOL_REF_DECL.
3753         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3754         rather than SYMBOL_REF_DECL.
3755         (rtx_constant_pool): Remove const_rtx_sym_htab.
3756         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3757         (init_varasm_status): Don't initialize const_rtx_sym_htab.
3758         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3759         Remove handling of const_rtx_sym_htab.
3760         (find_pool_constant): Delete.
3761         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3762         rather than find_pool_constant.
3763         (get_pool_constant_for_function): Delete.
3764         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3765         find_pool_constant.
3766         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3767         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3768         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3769         (SYMBOL_REF_CONSTANT): New macro.
3770         (get_pool_constant_for_function): Delete.
3771         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3772         rather than SYMBOL_REF_DECL.
3773         (i386_pe_mark_dllimport): Likewise.
3774         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3775         rather than SYMBOL_REF_DECL.
3776         * config/darwin.c (machopic_indirect_data_reference): Likewise.
3777         (machopic_indirect_call_target): Likewise.
3778
3779 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
3780
3781         * flow.c (delete_noop_moves): Add missing EOL to dump message.
3782
3783 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
3784
3785         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3786
3787 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3788
3789         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3790
3791 2006-01-24  David Daney  <ddaney@avtrex.com>
3792
3793         PR java/25816
3794         * configure.ac (enable_tls): New enable option.
3795         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3796         * configure: Regenerate.
3797         * doc/install.texi (--enable-tls): Document new option.
3798         (--disable-tls): Ditto.
3799
3800 2006-01-24  Richard Henderson  <rth@redehat.com>
3801
3802         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3803         * alias.c (true_dependence): Respect it.
3804         (canon_true_dependence, write_dependence_p): Likewise.
3805         * builtins.c (get_builtin_sync_mem): Set it.
3806
3807 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
3808
3809         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3810         efficient way.
3811
3812 2006-01-24  DJ Delorie  <dj@redhat.com>
3813
3814         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3815         for storing constants in single-bit bitfields.
3816
3817 2006-01-25  Ben Elliston  <bje@au.ibm.com>
3818
3819         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3820
3821 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
3822
3823         PR tree-opt/25860
3824         * tree-ssa-pre.c (phi_translate): Return NULL
3825         for AGGREGATE_TYPE's.
3826
3827 2006-01-24  Zack Weinberg  <zackw@panix.com>
3828
3829         * genautomata.c (process_state_for_insn_equiv_partition):
3830         Use xcalloc for insn_arcs_array.
3831         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3832         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3833
3834 2006-01-24  Richard Henderson  <rth@redhat.com>
3835
3836         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3837         update all callers.
3838
3839 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
3840
3841         PR rtl-optimization/25890
3842         PR rtl-optimization/25905
3843         * combine.c (expand_compound_operation, expand_field_assignment):
3844         Fail if the bitfield's final position is out of bounds.
3845
3846 2006-01-24  Ian Lance Taylor  <ian@airs.com>
3847
3848         PR middle-end/25930
3849         * cgraphunit.c (cgraph_output_in_order): Don't clear
3850         cgraph_asm_nodes until after asm strings have been output.
3851
3852 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
3853
3854         * fix-header.c (read_scan_file): Add new parameter imultilib when
3855         calling register_include_chains.
3856
3857 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
3858
3859         * omp-low.c: Update documentation.
3860
3861 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
3862             Daniel Berlin  <dberlin@dberlin.org>
3863
3864         PR tree-opt/25315
3865         PR tree-opt/25857
3866         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3867         return from the function.
3868
3869 2006-01-22  Zack Weinberg  <zackw@panix.com>
3870
3871         * rtl.def (match_code): Add second argument.
3872         * genpreds.c (write_extract_subexp): New function.
3873         (write_match_code): Add path argument.  Use write_extract_subexp.
3874         (write_predicate_expr): Pass path to write_match_code.
3875         (mark_mode_tests): MATCH_CODE applied to a subexpression does
3876         not perform a mode test.
3877         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3878         a subexpression does not constrain the top-level code set.
3879         * read-rtl.c (read_rtx_variadic): New function.
3880         (read_rtx_1): Use it; allow AND and IOR to be variadic.
3881         * doc/md.texi: Document new notation.
3882         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3883         (cmpsi_operand): ... here, using new notation.
3884
3885 2006-01-22  Zack Weinberg  <zackw@panix.com>
3886
3887         * varray.c: Remove GENERATOR_FILE #ifdefs.
3888
3889 2006-01-22  Zack Weinberg  <zackw@panix.com>
3890
3891         * genautomata.c (output_reserved_units_table): Emit nothing if
3892         description->query_units_num is zero.  Remove extra blank line.
3893         (output_cpu_unit_reservation_p): Short circuit
3894         if description->query_units_num is zero.
3895
3896 2006-01-22  Zack Weinberg  <zackw@panix.com>
3897
3898         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
3899         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
3900         nor any of the random handful of variables that used to be necessary
3901         when this program was linked with rtlanal.o.  Prune set of forward
3902         function declarations.
3903         (struct attr_desc): Remove static_p field.
3904         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3905         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3906         (attr_string): Do not read the character one past the length of
3907         the string.
3908         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3909         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3910         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3911         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3912         (make_automaton_attrs): New.
3913         (main): Do not call into genautomata.  Call local gen_bypass
3914         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
3915         Remove special case for insn_alts.
3916         * genautomata.c: Include gensupport.h; not genattrtab.h nor
3917         varray.h (leftover from previous change).  Prune set of forward
3918         function declarations.  Remove state_alts fields from all
3919         structures.  Remove state_alts_table from struct automaton.
3920         Make everything except main static.  Do not maintain num_dfa_decls.
3921         Do not maintain state_alts fields of various structures.
3922         (process_decls): Don't validate condexp for dm_insn_reserv decls.
3923         (add_arc): Remove state_alts argument.  All callers updated.
3924         (output_reserved_units_table): Emit #ifdef here...
3925         (output_tables): ...not here.  Don't generate state_alts tables.
3926         (expand_automata): Don't generate attributes.
3927         (write_automata): Don't generate state_alts functions.
3928         (main): New function.
3929         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3930         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3931         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3932         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3933         (BYPASS_P_FUNC_NAME, output_state_alts_table)
3934         (output_automata_list_state_alts_code, output_internal_state_alts_func)
3935         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3936         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3937         Delete.
3938         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3939         * genattrtab.h: Delete file.
3940         * Makefile.in (OBJS-common): Add insn-automata.o.
3941         (insn-automata.o): New rule.
3942         (simple_generated_c): Add insn-automata.c.
3943         (build/genattrtab.o, build/genautomata.o): Update dependencies.
3944         (genprogmd): Add automata.
3945         (build/genattrtab): Needs no extra objects nor libraries.
3946         (build/genautomata): Needs build/vec.o and -lm.
3947
3948 2006-01-22  Zack Weinberg  <zackw@panix.com>
3949
3950         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3951         (output_dfa_max_issue_rate, locked_states_num): Delete.
3952         (struct automaton): Add locked_states field.
3953         (output_dead_lock_vect): Save number of locked states in
3954         automaton->locked_states.  If it is zero, don't print anything.
3955         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3956         (output_internal_dead_lock_func): Only test the dead_lock_vect
3957         for automata that have locked states.
3958         (output_statistics): Always print the number of locked states for
3959         each automaton.  Calculate total number of locked states here.
3960         (write_automata): Don't call output_dfa_max_issue_rate.
3961         * genattrtab.c: Define length_unit_log as a const variable.
3962         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
3963         max_insn_queue_index const.
3964         * final.c (length_unit_log): Declare const.
3965         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3966
3967 2006-01-22  Zack Weinberg  <zackw@panix.com>
3968
3969         * genautomata.c:  Include vec.h, not varray.h.
3970         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3971         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
3972         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
3973         VEC_* macros operating on appropriately typed vectors, or to
3974         malloced arrays when the size is known in advance.  Const-ify
3975         many char* variables and function arguments.  No functional changes.
3976         * Makefile.in (build/varray.o): Delete rule.
3977         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3978         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3979
3980 2006-01-22  Zack Weinberg  <zackw@panix.com>
3981
3982         * gensupport.c: Define get_insn_name and record_insn_name here.
3983         (read_md_rtx): C