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