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2005-11-07 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2
3         PR target/24230
4
5         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
6         gen_easy_vector_constant_add_self): Delete.
7         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
8         New.
9         (output_vec_const_move): Use gen_easy_altivec_constant.
10         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
11         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
12         (easy_vector_constant_add_self): Rewritten.
13         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
14         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
15         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
16         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
17         Macroize and adjust for the other changes.
18
19 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
20
21         PR c/24599
22
23         * c-typeck.c (build_c_cast): Try using a shared constant, and see
24         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
25
26 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
27
28         PR rtl-optimization/23567
29         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
30         (noce_process_if_block): Don't do any optimizations except
31         if (cond) x = x; if !set_b and write into orig_x may trap
32         or fault.  Remove the MEM_READONLY_P check.
33
34 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
35
36         PR 24670
37         * tree-vrp.c (fix_equivalence_set): New.
38         (extract_range_from_assert): Call it.
39
40 2005-11-05  Ian Lance Taylor  <ian@airs.com>
41
42         PR target/22432
43         * combine.c (apply_distributive_law): Don't distribute across a
44         vector mode subreg.
45
46 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
47
48         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
49         config/ms1/ms1.h, config/rs6000/predicates.md,
50         config/s390/s390.c, params.def, postreload-gcse.c,
51         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
52         tree-vrp.c, tree.c: Fix comment typos.
53         * doc/invoke.texi: Fix typos.
54
55 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
56
57         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
58         for testing whether the data_dependence_relation contains distance
59         vectors.  Iterate over all distance vectors of the ddr.
60         * lambda.h: Define a vec of lambda_vector pointers.
61         * tree-data-ref.c (dump_data_dependence_relation,
62         dump_data_dependence_direction): Iterate over all distance and
63         direction vectors of the ddr.
64         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
65         DDR_DIST_VECTS.
66         (build_classic_dist_vector, build_classic_dir_vector): Push a set
67         of distance/direction vectors instead of a single one.
68         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist 
69         lambda_vectors with a vec of lambda_vectors.
70         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
71         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
72         DDR_NUM_DIST_VECTS): New.
73         * tree-loop-linear.c (gather_interchange_stats): Test for the
74         existence of distance vectors only after having checked that there
75         is a dependence.  Iterate over all distance vectors of the ddr.
76         (linear_transform_loops): Use dump_data_dependence_relation.
77         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
78         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
79         distance vectors of the ddr.
80
81 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
82
83         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
84         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
85         IS_INTHANDLER; all callers changed.
86         (n_regs_saved_by_prologue): Take interrupt handler attributes into
87         account.
88         (do_link, do_unlink): New argument ALL; all callers changed.
89         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
90         If function isn't leaf, save and restore all registers.
91         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
92         exception handler.
93
94 2005-11-05  Jan Hubicka  <jh@suse.cz>
95
96         PR rtl-optimization/23490
97         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
98         max-flow-memory-location): Document.
99         * flow.c: Include params.h
100         (MAX_MEM_SET_LIST_LEN): Kill.
101         (add_to_mem_set_list): Use new param.
102         * cse.c (cse_basic_block): Replace 1000 by new param.
103         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
104         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
105         * predict.c (predict_loops): Use new param.
106         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
107
108         * ipa-inline.c (cgraph_decide_inlining_of_small_function, 
109         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
110         Do not hold memory returned by cgraph_node_name across other call.
111
112 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
113
114         PR target/23424
115         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
116         Disable.
117
118 2005-11-04  Jeff Law  <law@redhat.com>
119
120         PR/21883
121         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
122         * tree-ssa-dom.c: Include params.h.
123         (thread_across_edge): If there are too many statements in the
124         target block, then do not thread through it.
125         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
126         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
127
128 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
129
130         PR 24627
131         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
132         TODO_update_ssa instead of TODO_update_ssa_no_phi.
133
134 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
135
136         PR/18595
137         * tree-scalar-evolution.c (instantiate_parameters_1,
138         instantiate_parameters, resolve_mixers): Compute the size of an
139         expression to be instantiated and give up the instantiation if the
140         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
141
142 2005-11-04  Richard Guenther  <rguenther@suse.de>
143
144         * tree-flow.h (ref_contains_indirect_ref): Rename to
145         array_ref_contains_indirect_ref.
146         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
147         (array_ref_contains_indirect_ref): Make comment match the code
148         and vice-versa.
149         (ref_contains_array_ref): Likewise.
150         * tree-ssa-structalias.c (find_func_aliases): Remove call to
151         ref_contains_indirect_ref.
152         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
153         Rename calls to ref_contains_indirect_ref.
154
155 2005-11-04 Paul Brook  <paul@codesourcery.com>
156
157         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
158         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
159         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
160         * config/arm/arm.md: Use match_operand in peephole input templates
161         and match_dup in peephole output templates.
162
163 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
164
165         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
166         __aeabi_uidiv.
167
168 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
169             Daniel Jacobowitz  <dan@codesourcery.com>
170
171         * longlong.h (add_ssaaaa): Clobber condition code register
172         in ARM version.
173         (sub_ddmmss): Likewise.
174         (umul_ppmm): Likewise.
175
176 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
177             Paul Brook  <paul@codesourcery.com>
178             Phil Blundell  <pb@reciva.com>
179
180         * configure.ac: Add test for ARM TLS support.
181         * configure: Regenerated.
182         * config/arm/arm-protos.h (legitimize_tls_address)
183         (arm_tls_referenced_p, tls_mentioned_p)
184         (arm_output_addr_const_extra): New prototypes.
185         (thumb_legitimize_pic_address): Delete.
186         * config/arm/arm.c: Include "gt-arm.h".
187         (enum tls_reloc): New.
188         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
189         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
190         (arm_call_tls_get_addr, legitimize_tls_address)
191         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
192         (arm_init_tls_builtins, arm_emit_tls_decoration)
193         (arm_output_addr_const_extra): New functions.
194         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
195         (TARGET_HAVE_TLS): Define.
196         (target_thread_pointer): New.
197         (arm_override_options): Handle -mtp=.
198         (legitimize_pic_address): Ignore UNSPECs.
199         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
200         relative symbols.
201         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
202         (tls_get_addr_libfunc): New variable.
203         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
204         (arm_init_builtins): Call arm_init_tls_builtins.
205         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
206         (arm_encode_section_info): Call default_encode_section_info.
207         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
208         (enum arm_tp_type): New.
209         (target_thread_pointer): Add declaration.
210         (LEGITIMATE_CONSTANT_P): Handle TLS.
211         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
212         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
213         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
214         * config/arm/arm.md: Add UNSPEC_TLS.
215         (movsi): Handle TLS.
216         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
217         non-PIC.
218         (tls_load_dot_plus_eight): New insn and a peephole to create it.
219         (load_tp_hard, load_tp_soft): New insns.
220         * arm.opt: Add -mtp=.
221         * doc/invoke.texi (ARM Options): Document -mtp.
222
223 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
224
225         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
226         * config/arm/libunwind.S: Include "lib1funcs.asm".
227         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
228         (LIB2ADDEH): Add libunwind.S.
229         (LIB2ADDEHDEP): Add lib1funcs.asm.
230         * mklibgcc.in: Handle asm files in libgcc_eh.a.
231
232 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
233
234         PR fortran/18452
235         * gcc/c.opt: Add a -lang-fortran option.
236         * gcc/c-opts.c: Add a lang_fortran flag.
237         (c_common_init_options): Handling the -lang-fortran option.
238         (c_common_handle_option): Add a case for Fortran options in
239         preprocessing. Remove cases for -ffixed-form and
240         -ffixed-line-length. Add a case for -lang-fortran.
241
242 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
243
244         * config/rs6000/rs6000.c: Include params.h
245         (optimization_options): Set max-grow-copy-bb-insns default to 16.
246         (bdesc_2arg): Delete vpkuhss and vpkuwss.
247         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
248         (UNSPEC_VPKUWSS): Delete.
249         (altivec_vpkuhss): Delete.
250         (altivec_vpkuwss): Delete.
251         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
252         final condition.
253         (neg_eq0<mode>): Remove final condition.
254         (neg_eq<mode>): Remove condition and split-condition.
255
256 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
257
258         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
259         Use associated print macros.
260
261 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
262
263         PR c++/17964
264         * diagnostic.c (diagnostic_set_info_translated): New function.
265         (diagnostic_set_info): Use it.  Add comment.
266         * diagnostic.h (diagnostic_set_info_translated): Declare.
267
268 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
269
270         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
271         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
272         reference only if 'public' is true.
273         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
274         emit the .hidden directive only if the indirect reference is public.
275         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
276         Pass it to dw2_force_const_mem.
277         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
278         * dwarf2out.c (output_cfi): Adjust calls to above function.
279         (output_call_frame_info): Likewise.
280         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
281         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
282
283 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
284
285         PR tree-optimization/24483
286         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
287         field to elts if possible.
288
289 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
290
291         PR middle-end/23155
292         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
293         CONSTRUCTOR.
294
295 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
296
297         Fix PR tree-optimization/24351
298
299         * tree-ssa-structalias.c (struct variable_info): Add
300         collapsed_into.
301         (get_varinfo_fc): New function to follow collapsing.
302         (new_var_info): Set collapsed_to to NULL.
303         (dump_constraint): Follow collapsing.
304         (build_constraint_graph): Handle collapsing.
305         (do_simple_structure_copy): Return false if something bad
306         happened.
307         (collapse_rest_of_var): New function.
308         (do_structure_copy): Collapse if do_simple_structure_copy returns
309         false.
310         
311 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
312
313         PR middle-end/24589
314         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
315         expressions to a statement list instead of gimplifying them.
316
317 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
318
319         PR rtl-optimization/23585
320         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
321         that can't trap plus a constant integer, if the mode has zero size.
322
323 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
324
325         PR target/24620
326         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
327         as operand 2.
328         ("*insv<mode>_reg_extimm"): Likewise.
329
330 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
331
332         PR c/24329
333         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
334         c_common_type_for_mode returns an unnamed type.
335
336 2005-11-02  Richard Henderson  <rth@redhat.com>
337
338         PR target/9350
339         PR target/24374
340         * dwarf2out.c (dwarf2out_reg_save_reg): New.
341         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
342         * function.c (assign_parms): Use calls.internal_arg_pointer.
343         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
344         code.
345         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
346         (TARGET_CALLS): Add it.
347         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
348         * targhooks.c (default_internal_arg_pointer): New.
349         * targhooks.h (default_internal_arg_pointer): Declare.
350         * tree.h (dwarf2out_reg_save_reg): Declare.
351         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
352         * config/i386/i386.c (dbx_register_map): Add return column.
353         (dbx64_register_map, svr4_dbx_register_map): Likewise.
354         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
355         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
356         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
357         (ix86_save_reg): Save force_align_arg_pointer.
358         (ix86_emit_save_regs): Make regno unsigned.
359         (ix86_emit_save_regs_using_mov): Likewise.
360         (ix86_expand_prologue): Handle force_align_arg_pointer.
361         (ix86_expand_epilogue): Likewise.
362         * config/i386/i386.h: (dbx_register_map): Update.
363         (dbx64_register_map, svr4_dbx_register_map): Update.
364         (struct machine_function): Add force_align_arg_pointer.
365         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
366         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
367         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
368
369 2005-11-02  Jan Hubicka  <jh@suse.cz>
370
371         PR target/23303
372         * i386.md: Add peep2 for simplyfing array accesses.
373
374 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
375
376         PR target/24615
377         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
378         * config/s390/s390.c (s390_decompose_shift_count): New function.
379         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
380         (print_shift_count_operand): Use s390_decompose_shift_count.
381         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
382         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
383
384 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
385
386         PR target/24600
387         * loop.c (loop_givs_rescan): Use force_operand to expand
388         complex GIVs.
389
390 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
391
392         PR 22429
393         * fold-const.c (build_range_check): Use unsigned when signed
394         overflow is undefined also.  If etype is subtype, make sure that
395         the subtraction is in the supertype.
396
397 2005-11-02  Richard Henderson  <rth@redhat.com>
398
399         PR target/24178
400         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
401         by MEM_ALIGN.
402
403 2005-11-01  Richard Henderson  <rth@redhat.com>
404
405         PR 21518
406         * loop.c (scan_loop): Do not propagate computations to a hard
407         register destination with SMALL_REGISTER_CLASSES.
408
409 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
410
411         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
412         costs for MULT inside PLUS or MINUS.
413
414 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
415
416         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
417         (TRAMPOLINE_SIZE): Round up to 60.
418         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
419
420 2005-10-31  James E. Wilson  <wilson@specifix.com>
421
422         PR debug/24444
423         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
424         ifdef.  Put ifdefs around call in gen_subprogram_die.
425         (compute_frame_pointer_to_cfa_displacement): Likewise.
426         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
427         not defined.
428         
429         PR rtl-optimization/17356
430         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
431         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
432
433 2005-10-31  Jan Hubicka  <jh@suse.cz>
434
435         PR middle-end/24093
436         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
437
438         PR target/20928
439         * i386.c (legitimize_pic_address): Deal with large immediates.
440
441         PR profile/20815
442         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
443         from symbol names while computing checkup.
444
445         PR profile/24487
446         * predict.c (predict_loops): Do not estimate more than
447         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
448         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
449
450 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
451         
452         PR tree-optimization/19097
453         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
454
455 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
456
457         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
458
459 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
460
461         PR middle-end/23492
462         * tree-inline.c (setup_one_parameter): If the init_stmt
463         is NULL, don't insert the statement.
464
465 2005-10-30  Jan Hubicka  <jh@suse.cz>
466
467         PR tree-optimization/24172
468         * tree-inline.c (copy_body_r): Unshare the substituted value first.
469
470 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
471
472         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
473         constants for hosts with long != 32 bits.
474
475 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
476
477         PR middle-end/24093
478         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
479
480 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
481
482         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
483         (TARGET_MS1_16_002): New.
484         (TARGET_MS1_16_003): New.
485
486         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
487         ("*decrement_and_branch_until_zero_no_clobber"): New.
488         Add corresponding splitter for decrement_and_branch_until_zero
489         instruction.
490         Key all decrement_and_branch_until_zero patterns off of
491         TARGET_MS1_16_003.
492
493 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
494
495         PR middle-end/24362
496         * tree-complex.c (extract_component): Treat RESULT_DECL
497         like the rest of the decls.
498
499 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
500
501         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
502         indirect call to _mcount if the function needs a static chain.
503
504 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
505             Caroline Tice  <ctice@apple.com>
506
507         PR rtl-optimization/24460
508         * dwarf2out.c (have_switched_text_sections): New boolean variable.
509         (dwarf2out_switch_text_section): Set it to true instead of
510         incrementing separate_line_info_table_in_use.
511         (output_loc_list): Additionally test have_switched_text_sections.
512         (output_ranges): Likewise.
513         (dwarf2out_finish): Likewise.
514         * varasm.c (assemble_start_function): Do not call
515         insert_section_boundary_note.
516         (assemble_end_function): If flag_reorder_blocks_and_partition,
517         switch to the function's section before emitting the .size directive.
518         * bb-reorder.c (insert_section_boundary_note): Staticify.
519         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
520         * output.h (insert_section_boundary_note): Delete.
521
522 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
523
524         PR c/23103
525         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
526         instead of pointer equality when comparing types.
527
528 2005-10-24  James E. Wilson  <wilson@specifix.com>
529
530         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
531         add_dependence_list_and_free calls.
532
533 2005-10-24  Steven Bosscher  <stevenb@suse.de>
534
535         * contrib.texi: Add the names of the LLNL folks who donated
536         Cray pointer support for gfortran.
537
538 2005-10-24  Steven Bosscher  <stevenb@suse.de>
539
540         PR tree-optimization/24225
541         * profile.c (branch_prob): Look from end to start through a
542         basic block when looking for a locus.
543
544 2005-10-24  Richard Henderson  <rth@redhat.com>
545
546         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
547         parallel.
548         (hppa_expand_prologue): Likewise.
549
550 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
551
552         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
553         (NO_DEFERRED_PROFILE_COUNTERS): Define.
554         * pa.h (NO_PROFILE_COUNTERS): Define.
555         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
556         (funcdef_nos): New vector to hold label numbers of deferred profile
557         counters.
558         (output_deferred_profile_counters): New function.
559         (hppa_profile_hook): Push label number onto funcdef_nos.
560         (pa_hpux_file_end): Call output_deferred_profile_counters if
561         NO_DEFERRED_PROFILE_COUNTERS is false.
562
563         * pa-protos.h (get_deferred_plabel): New prototype.
564         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
565         Make global.
566         (output_call): Adjust calls.
567
568 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
569
570         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
571         peculiarity of GOT/TOC section usage.
572
573 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
574
575         PR objc/24435
576          * c-common.c (constant_string_class_name): Add documentation.
577
578 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
579
580         PR target/23832
581         * recog.c (peephole2_optimize): Increment peep2_current_count
582         only when the slot is empty.
583
584 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
585
586         PR ada/23957
587         * except.c (output_function_exception_table): Call
588         assemble_external_libcall if we need a personality function.
589
590 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
591
592         PR rtl-optimization/24460
593         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
594         set the basic block for barriers.
595
596 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
597
598         * var-tracking.c (vt_initialize): Initialize post.
599
600 2005-10-21  Devang Patel  <dpatel@apple.com>
601
602         PR/24220
603         * c-common.c (vector_types_convertible_p): Check vector element type.
604         
605 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
606
607         * config/sh/sh.c (prepare_move_operands): Handle the address
608         constant which is a tls symbolic address plus a constant.
609
610 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
611
612         PR driver/24473
613         * gcc.c (main): Use the correct counter for erroring out
614         about mulitple files.
615
616 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
617
618         PR target/24465
619         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
620         use r2 for 64-bit tls .got access.
621
622 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
623
624         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
625         TRUTH_OR_EXPR.
626
627 2005-10-20  Steven Bosscher  <stevenb@suse.de>
628
629         PR tree-optimization/24307
630         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
631
632 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
633
634         PR middle-end/24295
635         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
636         alias targets.
637         * varasm.c (find_decl_and_mark_needed): After cgraph global info
638         is ready, stop marking functions, but still mark variables.
639
640 2005-10-20  Richard Guenther  <rguenther@suse.de>
641
642         PR c++/24439
643         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
644         void type operands.
645
646 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
647
648         PR rtl-optimization/23585
649         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
650         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
651         (may_trap_p_1): New predicate extracted from...
652         (may_trap_p): ... here.  Invoke may_trap_p_1.
653         (may_trap_or_fault_p): New predicate.
654         * rtl.h (may_trap_or_fault_p): Declare it.
655         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
656         instead of may_trap_p.
657         (steal_delay_list_from_fallthrough): Likewise.
658         (fill_simple_delay_slots): Likewise.
659         (fill_slots_from_thread): Likewise.
660         * function.c (pad_to_arg_alignment): Rework comment about
661         SPARC_STACK_BOUNDARY_HACK.
662         * config/sparc/sparc.h: Likewise.
663
664 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
665
666         * config/s390/s390.c (s390_expand_insv): New.
667         * config/s390/s390-protos.h (s390_expand_insv): Declare.
668         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
669         ("icm_hi"): Remove mode attribute.
670         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
671         Adjust all uses.
672         ("*extracthi", "*extractqi"): Remove.
673         (extv<mode>", "*extzv<mode>"): New.
674         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
675         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
676
677 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
678
679         * cfgexpand.c (discover_nonconstant_array_refs_r,
680         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
681         (tree_expand_cfg): Call discover_nonconstant_array_refs.
682         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
683         discover_nonconstant_array_refs.
684
685 2005-10-19  Steven Bosscher  <stevenb@suse.de>
686
687         PR c/23228
688         * c-decl.c (pop_scope): Don't warn about an unused variable
689         if it is marked with TREE_NO_WARNING.
690         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
691         somenow mismatch and olddecl is to be replaced.
692
693 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
694
695         PR middle-end/23199
696         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
697         whether registers live on the edge can be saved/restored.
698
699 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
700
701         * config/sh/sh.c (fixup_mova): Skip notes.
702
703 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
704
705         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
706         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
707         (s390_can_eliminate): Handle BASE_REGNUM elimination.
708         (s390_initial_elimination_offset): Likewise.
709         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
710         register on TARGET_ZARCH targets.
711         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
712         (INITIAL_FRAME_POINTER_OFFSET): Remove.
713         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
714         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
715
716 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
717
718         * config/s390/s390.md: Comment describing output modifiers updated.
719         * config/s390/s390.c (print_operand): Likewise.
720
721 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
722
723         * config/s390/s390.c (override_options): Added check for -mstack-size
724         64k limitation.
725         * doc/invoke.texi: Mention that limit in the documenation.
726
727 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
728
729         PR #19672
730         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
731
732 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
733
734         Fix PR tree-optimization/24231
735
736         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
737         (compute_avail): Ditto.
738
739 2005-10-18  Richard Henderson  <rth@redhat.com>
740
741         PR target/24428
742         * config/i386/i386.c (legitimate_constant_p): Check
743         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
744         if LABEL_REF.
745         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
746         (legitimate_pic_address_disp_p): Reorg CONST checking to make
747         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
748         directly.
749         (print_operand_address): Likewise.
750         * config/i386/predicates.md (x86_64_immediate_operand): Test
751         SYMBOL_REF_TLS_MODEL properly inside CONST.
752         (x86_64_zext_immediate_operand): Likewise.
753         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
754         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
755         * config/i386/i386-protos.h: Remove predicates.md entries.
756
757 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
758
759         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
760         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
761
762 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
763             Ian Lance Taylor <ian@airs.com>
764
765         PR middle-end/23522
766         * fold-const.c (fold_widened_comparison): Do not allow range based
767         constant folding when right operand cannot be unwidened.
768
769 2005-10-17  Richard Henderson  <rth@redhat.com>
770
771         * builtins.c (expand_builtin_synchronize): Build a new-style asm
772         with a memory clobber.
773
774 2005-10-17  James E Wilson  <wilson@specifix.com>
775
776         PR rtl-optimization/17356
777         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
778         checking for EDGE_EH.
779
780 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
781
782         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
783         the slot on an even boundary for any type with 16-byte alignment.
784
785 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
786
787         PR target/23424
788         * md.texi (Modifiers) <%>: Clarify that % doesn't work
789         after register allocation.
790
791 2005-10-17  DJ Delorie  <dj@redhat.com>
792
793         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
794         as frame related.
795
796 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
797
798         PR c++/22551
799         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
800         overflow flags.
801
802 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
803
804         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
805         to 2 if it's already non-zero.
806         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
807         is set and warn about it if flag_schedule_insns is 1.
808
809 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
810
811         * config/crx/crx.md: Compare-and-branch instructions need to
812         invalidate CC.
813
814 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
815
816         PR target/24315
817         * config/i386/i386.md (*pushdi2_rex64 splitter)
818         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
819         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
820         flow2 pass only when (optimize > 0 && flag_peephole2).
821
822 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
823
824         PR driver/22544
825         * gcc.c (have_c): New static variable.
826         (have_o): Likewise.
827         (process_command): Remove declation of have_c.
828         Set have_o to 1 when handling -o.
829         (main): Add a fatel error if there are multiple
830         files specified and -o and -c/-S is passed witout
831         -combine or multiple languages.
832
833 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
834
835         Fix PR tree-optimization/22444
836         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
837         Assert that we don't hit something with subvars.
838         (setup_pointers_and_addressables): Don't add things with subvars,
839         because we'll already process the subvars for aliasing purposes.
840
841 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
842
843         PR target/23424
844         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
845         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
846         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
847         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
848         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
849         swapped, alternatives for the R constraint.
850
851         PR middle-end/24341
852         * builtins.c (get_builtin_sync_mode): Make unlimited
853         mode_for_size request.
854
855 2005-10-15  Richard Henderson  <rth@redhat.com>
856
857         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
858         (gimplify_expr): ... here.
859         (gimplify_compound_lval): Use it in initial scan loop.  Allow
860         fb_lvalue in base expression.
861
862 2005-10-15  Richard Henderson  <rth@redhat.com>
863
864         PR 23714
865         * builtins.c (expand_builtin_trap): Export.
866         * expr.h (expand_builtin_trap): Declare.
867         * expr.c (expand_assignment): Emit a trap for integral offsets 
868         from registers that weren't reduced to bitpos.
869
870         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
871         (mark_array_ref_addressable): Remove.
872         * tree-flow.h (mark_array_ref_addressable): Remove.
873         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
874
875 2005-10-15  James E Wilson  <wilson@specifix.com>
876
877         PR target/24232
878         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
879         (add_dependence_list_and_free): Likewise.
880         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
881         call.
882
883 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
884
885         PR 23141
886         PR 23142
887         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
888         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
889         anti-range.
890         (vrp_visit_phi_node): Only prevent infinite iterations when
891         the previous result and the new result are both VR_RANGEs.
892
893 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
894
895         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
896         function comment.
897
898 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
899
900         PR c/23439
901         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
902         to initialize loc.
903
904 2005-10-14  Per Bothner  <per@bothner.com>
905
906         PR preprocessor/21250
907         * c-ppoutput.c (print_line): Print internal line 0 as 1.
908
909 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
910
911         PR c++/22551
912         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
913         overflow flags.  Refactor some conditionals.
914
915 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
916
917         PR tree-opt/21304
918         * tree-dfa.c (add_referenced_var): Only look at decls which
919         have TREE_CONSTANT or TREE_READONLY set instead of if
920         !TREE_PUBLIC or !TREE_CONSTANT.
921
922 2005-10-13  James E Wilson  <wilson@specifix.com>
923
924         * doc/invoke.texi: For -x, add f95-cpp-input.
925         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
926
927 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
928
929         PR tree-optimization/24262
930         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
931         in loop all the time.
932
933 2005-10-12  Richard Henderson  <rth@redhat.com>
934
935         PR c/24255
936         * tree.h (DECL_TRANSPARENT_UNION): Remove.
937         * function.c (assign_parm_find_data_types): Don't support it.
938         * print-tree.c (print_node): Likewise.
939         * c-common.c (handle_transparent_union_attribute): Likewise.
940         Use build_duplicate_type.
941         * tree-inline.c (remap_type_1): Split out of remap_type;
942         properly remap aggregate fields.
943         (build_duplicate_type): New.
944         * doc/extend.texi (Variable Attributes): Remove documentation
945         for transparent_union.
946
947 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
948
949         PR target/24284
950         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
951         (gen_stack_pointer_dec): Likewise.
952
953 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
954
955         PR middle-end/21275
956         PR middle-end/21766
957         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
958         target hook.
959         (struct cxx): Add adjust_class_at_definition target hook.
960         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
961         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
962         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
963         hook_void_tree. Add to TARGET_CXX.
964         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
965         dllimport_flag.
966         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
967         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
968         instead of attribute. Check for dllexport override.  Warn if
969         inconsistent dll linkage. Don't lose old dllimport if decl has
970         had address referenced.   Tweak lookup of dllimport atribute.  
971         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
972         for target specific rules.  Don't add dllimport attribute if
973         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
974         dllimport attribute. 
975         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
976         * varasm.c (initializer_constant_valid_p): Replace
977         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
978
979         PR target/21801
980         PR target/23589
981         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
982         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
983         (i[34567]86-*-mingw32*): Likewise.
984
985         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
986         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
987                         
988         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
989         C++-specific code. Change return value to bool. 
990         (i386_pe_dllimport_p): Likewise.
991         (associated_type): Simplify and make language-independent
992         (i386_pe_encode_section_info): Replace override of ambiguous
993         dllimport symbol refs with a gcc_assert.
994         (i386_pe_valid_dllimport_attribute_p): Define.
995         * config/i386/winnt-cxx.c: New file. Define C++ versions of
996         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
997         i386_pe_adjust_class_at_definition.
998         * config/i386/winnt-stubs.c: New file. Define stub versions of
999         lang-specific functions.
1000         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1001         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
1002         i386_pe_adjust_class_at_definition.
1003         (i386_pe_valid_dllimport_attribute_p): Declare. 
1004         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1005         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1006         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1007
1008         PR target/19704
1009         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1010         dllimport attribute with test of DECL_DLLIMPORT_P.
1011
1012 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
1013
1014         * combine.c (make_extraction): Correct offset computation.
1015
1016 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
1017
1018         * config/cris/t-linux (LIMITS_H_TEST): Define.
1019
1020 2005-10-12  Richard Henderson  <rth@redhat.com>
1021
1022         PR rtl-opt/23324
1023         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1024
1025 2005-10-12  Richard Guenther  <rguenther@suse.de>
1026
1027         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1028
1029 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
1030
1031         PR c++/19964
1032         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1033         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1034         type.
1035
1036 2005-10-12  Richard Guenther  <rguenther@suse.de>
1037
1038         PR c++/23799
1039         * varasm.c (output_constant): Correct typo from previous
1040         patch by DJ.
1041
1042 2005-10-11  Ian Lance Taylor  <ian@airs.com>
1043
1044         PR rtl-optimization/13931
1045         * combine.c: Revert patch of 2003-05-14, and:
1046         (try_combine): Only set elim_i1 and elim_i2 if the destination is
1047         completely killed in the appropriate insn.
1048         (distribute_notes): Don't skip multiple hard register test for
1049         elim_i1 and elim_i2.
1050
1051 2005-10-11  Richard Henderson  <rth@redhat.com>
1052
1053         PR c/24255
1054         * c-typeck.c (convert_for_assignment): Use build_constructor_single
1055         to initialize a transparent union instead of a nop_expr.
1056
1057 2005-10-11  Richard Henderson  <rth@redhat.com>
1058
1059         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1060         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1061         (tree_ssa_dce_loop): Call scev_reset.
1062
1063         PR tree-opt/24300
1064         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1065         * tree-ssa-dce.c: Include cfgloop.h.
1066         (tree_ssa_dce_loop, pass_dce_loop): New.
1067         * tree-pass.h (pass_dce_loop): Declare it.
1068         * passes.c (init_optimization_passes): Use it.
1069
1070 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
1071
1072         PR middle-end/24263 
1073         * convert.c (convert_to_real): Revert 2005-10-05 patch.
1074         Only apply the optimization for rounding builtins if the inner
1075         cast is also an extension.
1076
1077 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
1078
1079         PR tree-opt/23946
1080         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1081         mark_new_vars_to_rename instead of update_stmt.
1082
1083 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1084
1085         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1086
1087 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
1088
1089         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1090         for setting MMX register to 0 rather than mmx.
1091
1092 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
1093
1094         PR target/12098
1095         * configure.ac: Move gas check from mips specific case to common case.
1096         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1097         * configure: Regenerate
1098         * doc/install.texi: Update.
1099
1100 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1101
1102         PR target/24284
1103         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1104
1105 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
1106
1107         * gcc.c (do_spec_1): Accept numeric characters in file name
1108         suffixes.
1109
1110 2005-10-10  Nick Clifton  <nickc@redhat.com>
1111
1112         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
1113         describing the deleted arm_gen_rotated_half_load function.
1114
1115 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1116
1117         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1118         __fpscr_values.
1119
1120 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
1121
1122         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1123         gnu_ld assignments.
1124         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1125         (EXTRA_MULTILIB_PARTS): Define.
1126         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1127         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1128         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1129         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1130         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1131         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1132
1133 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
1134
1135         PR tree-optimization/24226
1136         * tree-cfg.c (remove_bb): Clean up unreachable loops.
1137         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1138         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1139         Export.
1140
1141 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1142
1143         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1144
1145 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
1146
1147         PR target/24136
1148         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1149         Rewrite for no need for the early clobber.
1150
1151 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
1152
1153         Merge from csl-arm-branch:
1154         2005-09-07  Paul Brook  <paul@codesourcery.com>
1155         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1156         space to string.
1157
1158         2005-04-30  Paul Brook  <paul@codesourcery.com>
1159         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1160         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1161
1162         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
1163         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1164         (arm_override_options): Use TARGET_AAPCS_BASED.
1165         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1166         (PTRDIFF_TYPE): Use int for AAPCS.
1167         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1168         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1169         (DEFAULT_SHORT_ENUMS): Delete.
1170         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1171
1172         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
1173         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1174         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1175         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1176
1177         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
1178         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1179
1180         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
1181         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1182  
1183         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
1184         * config.gcc (arm*-*-linux-gnueabi): Add it.
1185         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1186         redefining it.
1187         (TARGET_OS_CPP_BUILTINS): Likeiwse.
1188         * config/arm/linux-eabi.h: New file.
1189         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1190         (LINUX_TARET_LINK_SPEC): Likewise.
1191         (LINK_SPEC): Use it.
1192         * config/arm/t-linux-eabi: New file.
1193
1194 2005-10-08  Steven Bosscher  <stevenb@suse.de>
1195
1196         PR other/22202
1197         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1198         spaces.
1199         (PARAM_SMS_DFA_HISTORY): Likewise.
1200
1201 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
1202
1203         PR middle-end/23150
1204         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1205         (load_register_parameters): Call it.
1206         (check_sibcall_argument_overlap_1): Likewise.
1207         (store_one_arg): Likewise.
1208
1209 2005-10-07  James E. Wilson  <wilson@specifix.com>
1210
1211         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1212         DImode not VECINT24 for operand 2.
1213
1214         PR target/23644
1215         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1216         -mtune-arch.
1217
1218         PR target/24193
1219         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1220         fr_spill): Use destination_operand for operand 0.
1221
1222 2005-10-07  DJ Delorie  <dj@redhat.com>
1223
1224         * varasm.c (output_constant): Limit error to expanding
1225         conversions.
1226
1227 2005-10-07  Richard Guenther  <rguenther@suse.de>
1228
1229         PR middle-end/24227
1230         * fold-const.c (fold_binary): Fix operand types during folding
1231         of X op (A, Y).  Evaluation order of the side-effects of
1232         X and A are frontend-defined, so ensure we honour that even for
1233         tcc_comparison class operands; eased by removing duplicate code.
1234
1235 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
1236
1237         * stor-layout.c (layout_type): Do not allow alignment of array
1238         elements to be greater than their size.
1239
1240 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
1241
1242         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1243         host_xmake_file.
1244         (hppa*-*-linux*): Ditto.
1245         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1246         * config/host-hpux.c: New.
1247         * config/x-hpux: New.
1248         * config/pa/x-hpux: Remove.
1249         * config/pa/x-linux: Remove.
1250         * config/pa/pa-host.c: Remove.
1251
1252 2005-10-07  Jeff Law  <law@redhat.com>
1253
1254         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1255         determine whether or not to try and thread outgoing edges.
1256
1257 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
1258
1259         * config/rs6000/rs6000.md (eqsi_power): New.
1260         (neg_eq0si): Add TARGET_POWER to final condition.
1261         (neg_eqsi): Same.
1262
1263 2005-10-06  Richard Henderson  <rth@redhat.com>
1264
1265         * config/rs6000/rs6000.c: Revert last change.
1266
1267 2005-10-06  Richard Henderson  <rth@redhat.com>
1268
1269         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1270         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1271
1272 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
1273
1274         PR middle-end/22216
1275         PR middle-end/23651
1276         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1277         out return_label and naked_return_label.
1278
1279 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
1280         
1281         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1282         change.
1283
1284 2005-10-06  Richard Henderson  <rth@redhat.com>
1285
1286         PR tree-opt/22237
1287         * tree-inline.c (declare_return_variable): Handle modify_dest not
1288         being a DECL.
1289
1290 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
1291         
1292         Fix PR tree-optimization/22488
1293         * tree-ssa-structalias.c (check_for_overlaps): New function.
1294         (create_variable_info_for): Use it.
1295
1296 2005-10-06  Richard Henderson  <rth@redhat.com>
1297
1298         PR debug/24070
1299         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1300         (dwarf2out_start_source_file): Print it.
1301
1302 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
1303
1304         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1305
1306 2005-10-06  Richard Henderson  <rth@redhat.com>
1307
1308         PR 23706
1309         * mode-switching.c (optimize_mode_switching): Clear transp bit
1310         for block with incomming abnormal edges.
1311
1312         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1313         (fpscr_set_from_mem): Use them.
1314         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1315         (fpscr postinc splitters): Rewrite as peephole2+split.
1316
1317 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
1318
1319         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1320         (eq<mode>_compare): Same.
1321
1322 2005-10-06  Richard Guenther  <rguenther@suse.de>
1323
1324         PR tree-optimization/24238
1325         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1326
1327 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
1328
1329         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1330         here.  Use AC_PATH_PROG for environment variables instead of
1331         test -x.
1332         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
1333         objdump also.
1334         * configure: Regenerated.
1335
1336 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
1337
1338         PR target/23783
1339         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1340         then force it into a register.
1341         (call_value): Likewise.
1342
1343 2005-10-06  Richard Henderson  <rth@redhat.com>
1344
1345         PR 24049
1346         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1347         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
1348         under pass_vectorize.
1349
1350 2005-10-05  Devang Patel  <dpatel@apple.com>
1351
1352         PR Debug/23205
1353         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1354         handling constants. Check NAMESPACE_DECL context for constants.
1355         
1356 2005-10-05  Eric Christopher  <echristo@apple.com>
1357
1358         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1359
1360 2005-10-05  Richard Henderson  <rth@redhat.com>
1361
1362         PR 23714
1363         * tree-cfg.c (mark_array_ref_addressable_1): New.
1364         (mark_array_ref_addressable): New.
1365         * tree-flow.h (mark_array_ref_addressable): Declare.
1366         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1367
1368 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
1369
1370         PR middle-end/20606
1371         PR middle-end/24069
1372         * reload.c (subst_reloads): When adding a REG_LABEL to a
1373         jump instruction, also update JUMP_LABEL.
1374
1375 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
1376
1377         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1378         * bb-reorder.c (copy_bb_p): Use it.
1379         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1380
1381 2005-10-05  Richard Henderson  <rth@redhat.com>
1382
1383         PR target/23602
1384         * toplev.c (process_options): Warn about unsupported combinations
1385         of unwind tables and omit-frame-pointer.
1386         * config/i386/i386.c (override_options): Similarly.  Enable
1387         accumulate-outgoing-args if not explicitly disabled.
1388
1389 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
1390
1391         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1392         Handle big endian vs. small endian.
1393         (vec_initv2sf): Handle big endian vs. small endian.
1394         (*vec_extractv2sf_1): Ditto.
1395
1396 2005-10-05  Dale Johannesen  <dalej@apple.com>
1397
1398         * convert.c (convert_to_real):  Don't convert
1399         (float)floor(double d) to floorf((float)d).
1400
1401 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
1402
1403         * config/arm/arm.md (insv): Use gen_int_mode in more places.
1404
1405 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
1406
1407         PR tree-optimization/18587
1408         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1409         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1410         build_vuses): Change to VEC type.
1411         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1412         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1413         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1414         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1415         (get_name_decl): New.  Return DECL_UID of base variable.
1416         (operand_build_cmp): New.  qsort comparison routine.
1417         (operand_build_sort_virtual): New.  Sort virtual build vector.
1418         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1419         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1420         (FINALIZE_BASE): Use get_name_decl.
1421         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1422         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1423         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1424         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1425         direct VEC_* manipulations.
1426         (build_ssa_operands): Call operand_build_sort_virtual.
1427         (copy_virtual_operand, create_ssa_artficial_load_stmt,
1428         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1429         with direct VEC_* manipulations.
1430         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1431         with direct VEC manipulations.
1432
1433 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
1434
1435         PR tree-optimization/21419
1436         PR tree-optimization/24146
1437         PR tree-optimization/24151
1438
1439         * c-typeck.c (readonly_error): Handle USE being lv_asm.
1440         (build_asm_expr): Call it if outputs are read-only.
1441         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1442
1443 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
1444             Paolo Bonzini  <bonzini@gnu.org>
1445
1446         PR target/23809
1447
1448         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1449         enable the instructions and not just the built-ins.
1450         * doc/invoke.texi (x86 Options): Likewise.
1451
1452 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
1453
1454         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1455
1456         * doc/invoke.texi (Option Summary): Correct spelling
1457         of -mmacosx-version-min.
1458
1459 2005-10-04  Devang Patel  <dpatel@apple.com>
1460
1461         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1462         real types.
1463
1464 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
1465
1466         * tree-vect-transform.c (vect_create_epilog_for_reduction):
1467         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1468
1469 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
1470
1471         * config/s390/s390.md ("TDSI","DP"): New mode macros.
1472         ("TE","tg"): New mode attributes.
1473         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1474         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1475         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1476         dword_mode and one for GPRmode.
1477
1478 2005-10-04  Ian Lance Taylor  <ian@airs.com>
1479
1480         PR preprocessor/13726
1481         * c-ppoutput.c (cb_include): Add comments parameter, and print out
1482         any comments passed in.
1483
1484 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1485
1486         * tree.c (annotate_with_file_line): Fix typo.
1487
1488 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1489
1490         PR ada/19382
1491         * builtins.c (fold_builtin_memcmp): When constructing the pointer
1492         type used to access data in the inlined length == 1 case, use
1493         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1494         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1495
1496 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
1497
1498         * config/i386/i386.h (TARGET_FISTTP): Enable also for
1499         TARGET_SSE3 and only for TARGET_80387.
1500         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1501         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1502         Do not depend on TARGET_80387.
1503
1504 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1505
1506         * tree.c (last_annotated_node): Change type to location_t*.
1507         (annotate_with_file_line): Reflect the change of
1508         last_annotated_node type.
1509
1510 2005-10-04  Richard Guenther  <rguenther@suse.de>
1511
1512         PR c/23576
1513         * c-decl.c (grokdeclarator): Don't write to fields
1514         of error_mark_node.
1515
1516 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1517
1518         PR middle-end/23125
1519         * c-decl.c (finish_decl): Use set_user_assembler_name even for
1520         register variables.
1521         * varasm.c (make_decl_rtl): If a register variable does not
1522         have a set user assmbler name, error out.
1523         Decode the asmspec is now name+1 bypassing '*'.
1524
1525 2005-10-04  Steven Bosscher  <stevenb@suse.de>
1526
1527         PR tree-optimization/23049
1528         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1529         of a COND_EXPR is folded before calling fold on the whole rhs of a
1530         conditional assignment.
1531         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1532         document that a COND_EXPR may appear there.
1533
1534 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
1535
1536         PR 23445
1537         * tree-vrp.c (extract_range_from_assert): If the new numeric
1538         range created out of the assertion contradicts the existing
1539         numeric range of the ASSERT_EXPR variable, make the new range
1540         varying.
1541
1542 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1543
1544         * config/sh/sh.c (sh_register_move_cost): Add case for moving
1545         from T_REGS to FP register class.
1546
1547 2005-10-03  Richard Henderson  <rth@redhat.com>
1548
1549         PR 24135
1550         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1551         before creating a new one.
1552
1553 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
1554
1555         * config/rs6000/t-aix43 (LDFLAGS): New.
1556         * config/rs6000/t-aix52 (LDFLAGS): New.
1557
1558 2005-10-03  Ian Lance Taylor  <ian@airs.com>
1559
1560         * gimplify.c (find_single_pointer_decl_1): New static function.
1561         (find_single_pointer_decl): New static function.
1562         (internal_get_tmp_var): For a formal variable, set restrict base
1563         information if appropriate.
1564         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1565         return it.
1566         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1567         (DECL_GET_RESTRICT_BASE): Define.
1568         (SET_DECL_RESTRICT_BASE): Define.
1569         (decl_restrict_base_lookup): Declare.
1570         (decl_restrict_base_insert): Declare.
1571         (struct tree_decl_with_vis): Add based_on_restrict_p field.
1572         * tree.c (restrict_base_for_decl): New static variable.
1573         (init_ttree): Initialize restrict_base_for_decl.
1574         (copy_node_stat): Copy restrict base information.
1575         (decl_restrict_base_lookup): New function.
1576         (decl_restrict_base_insert): New function.
1577         (print_restrict_base_statistics): New static function.
1578         (dump_tree_statistics): Call print_restrict_base_statistics.
1579
1580 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
1581
1582         PR 24142
1583         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1584         case of anti-ranges.
1585
1586 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
1587
1588         PR c/18851
1589         * c-typeck.c (tagged_tu_seen): Rename to ...
1590         (tagged_tu_seen_cache): this and add val field.
1591         (comptypes): Move functional to comptypes_internal
1592         and free tagged_tu_seen.
1593         (comptypes_internal): New function and call comptypes_internal
1594         instead of comptypes. Speed up by sibcalling
1595         tagged_types_tu_compatible_p.
1596         (alloc_tagged_tu_seen): New function
1597         (free_all_tagged_tu_seen_up_to): New function.
1598         (tagged_types_tu_compatible_p): Return the val of the seen two
1599         types.
1600         Add that the two types are the same to tagged_tu_seen_base
1601         if they are and call comptypes_internal instead of comptypes.
1602         <case UNION_TYPE>: Speed up common type where the fields are
1603         in the same order.
1604         (function_types_compatible_p): Call comptypes_internal instead of
1605         comptypes.
1606         (type_lists_compatible_p): Likewise.
1607         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1608
1609 2005-10-02  Matthias Klose  <doko@debian.org>
1610
1611         * doc/invoke.texi: Fix typo and speling error.
1612
1613 2005-10-01  Richard Henderson  <rth@redhat.com>
1614
1615         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1616
1617 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
1618
1619         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1620         using --start-group and --end-group.
1621
1622 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
1623
1624         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1625         FIXME note regarding quirky semantics.
1626
1627 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
1628
1629         PR 24141
1630         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1631         non-null range as a last resort.
1632
1633 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
1634             Diego Novillo  <dnovillo@redhat.com>
1635
1636         PR 23604
1637         * tree-vrp.c (extract_range_from_assert): For !=
1638         assertions, only build an anti-range if LIMIT is a
1639         single-valued range.
1640
1641 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
1642
1643         * arm.md (movqi): On thumb when optimizing, handle loading from
1644         memory by describing this as taking a subreg of a zero-extended load
1645         into an SImode register.
1646         (movhi): Likewise.
1647
1648 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
1649
1650         * reload1.c (merge_assigned_reloads): Do not change any
1651         RELOAD_FOR_OUTPUT_ADDRESS reloads.
1652
1653 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
1654
1655         * Makefile.in (LIPO_FOR_TARGET): Define.
1656         (STRIP_FOR_TARGET): Define.
1657
1658         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1659         before creating new ones.  Do symlinks before creating the actual
1660         targets.
1661
1662         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1663         to work out which multilibs are actually being built.
1664
1665 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
1666
1667         * tree-vect-transform.c, config/ms1/ms1.md,
1668         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1669         Follow spelling conventions.
1670         * doc/invoke.texi, doc/md.texi: Fix typos.
1671
1672 2005-09-30  Andrew Macleod  <amacleod@redat.com>
1673
1674         PR tree-optimization/21430
1675         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1676         use operands, and set stmt pointer if need be.
1677         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1678         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1679         present.
1680
1681 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1682
1683         PR middle-end/24053
1684         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1685
1686 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
1687
1688         * optabs.c (expand_binop): Initialize first_pass_p.
1689
1690 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
1691
1692         PR middle-end/24109
1693         * c-decl.c (c_write_global_declarations_1): If any
1694         wrapup_global_declaration_2 call returned true, restart the loop.
1695
1696 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
1697
1698         Fix PR tree-optimization/24117
1699         * tree-ssa-structalias.c (find_func_aliases): Strip nops
1700         before considering whether to use anyoffset.
1701
1702 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
1703
1704         Revert this patch:
1705
1706         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
1707
1708         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1709         to order operands.
1710         (swap_commutative_operands_with_target): New.
1711
1712 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
1713
1714         PR c/21419
1715         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1716         read-only.
1717
1718 2005-09-29  Steven Bosscher  <stevenb@suse.de>
1719
1720         PR tree-optimization/23911
1721         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1722         and IMAGPART_EXPR too.
1723
1724 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
1725
1726         PR 17886
1727         * expmed.c (expand_shift): Move logic to reverse rotation
1728         direction when  rotating by constants ...
1729         * optabs.c (expand_binop): ... here.
1730         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1731         (ix86_rotrdi3): New pattern.
1732         (rotldi3): Handle 32-bit mode.
1733         (ix86_rotldi3): New pattern.
1734
1735 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
1736
1737         PR target/24102
1738         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1739         check for numbers that need no bit twiddle.
1740
1741 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
1742
1743         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1744         multilib to be built.
1745
1746         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1747         (stage1-start): Delete old libgcc and libunwind before moving
1748         anything into the stage directory.
1749         (stage2-start): Likewise.
1750         (stage3-start): Likewise.
1751         (stage4-start): Likewise.
1752         (stageprofile-start): Likewise.
1753         (stagefeedback-start): Likewise.
1754         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1755         header in tm_file and CPU-specific t-darwin in tmake_file.
1756         (i[34567]86-*-darwin*): Don't change tm_file.
1757         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1758         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1759         shared library stub for target OS version.
1760         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1761         (SHLIB_LINK): Don't make SHLIB_SOLINK.
1762         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1763         (libgcc_s.%.dylib): New.
1764         (LIBGCC): Define.
1765         (install-darwin-libgcc-stubs): New.
1766         (INSTALL_LIBGCC): New append.
1767         * config/i386/darwin-libgcc.10.4.ver: New.
1768         * config/i386/darwin-libgcc.10.5.ver: New.
1769         * config/i386/t-darwin: New.
1770         * config/rs6000/darwin-libgcc.10.4.ver: New.
1771         * config/rs6000/darwin-libgcc.10.5.ver: New.
1772         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1773         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1774
1775 2005-09-28  Paul Brook  <paul@codesourcery.com>
1776
1777         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1778         denormals.
1779
1780 2005-09-28  Richard Guenther  <rguenther@suse.de>
1781
1782         PR tree-optimization/23853
1783         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1784         host_integerp to verify misalignment value.
1785
1786 2005-09-28  Richard Henderson  <rth@redhat.com>
1787
1788         * builtins.c (get_builtin_sync_mode): New.
1789         (expand_builtin_sync_operation): Pass in mode argument.
1790         (expand_builtin_compare_and_swap): Likewise.
1791         (expand_builtin_lock_test_and_set): Likewise.
1792         (expand_builtin_lock_release): Likewise.
1793         (expand_builtin): Update to match.
1794
1795 2005-09-28  Nick Clifton  <nickc@redhat.com>
1796
1797         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1798         formatting.  Add check to PLUS case to ensure that the offset is
1799         within an acceptable range.
1800
1801         * config/v850/v850.md (casesi): Disable the generation of the
1802         switch pattern as it is not being handled properly at the moment.
1803
1804         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1805         for when the high words are identical.
1806
1807 2005-09-27  Richard Henderson  <rth@redhat.com>
1808
1809         * pretty-print.c (pp_base_format): Fix typo for %>.
1810
1811 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
1812             Devang Patel  <dpatel@apple.com>
1813
1814         PR tree-optimization/23625
1815         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1816         LABEL_EXPR, assertion check.
1817
1818 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
1819
1820         * optabs.c (no_conflict_move_test): Check if a result of a
1821         to-be-moved insn would be clobbered by an originally
1822         preceding insn.
1823
1824 2005-09-27  Jeff Law  <law@redhat.com>
1825
1826         * passes.c (init_optimization_passes): Replace copy propagation
1827         passes immediately after DOM with phi-only copy propagation
1828         pases.  Add phi-only copy propagation pass after first DOM pass.
1829         * tree-pass.h (pass_phi_only_copy_prop): Declare.
1830         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1831         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1832         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
1833         to init_copy_prop.  Callers updated.
1834         (do_phi_only_copy_prop): New function.
1835         (pass_phi_only_copy_prop): New pass descriptor.
1836
1837 2005-09-27  Nick Clifton  <nickc@redhat.com>
1838
1839         * libgcc2.c (__popcount_tab): Remove redundant prototype.
1840
1841 2005-09-26  Jason Merrill  <jason@redhat.com>
1842
1843         PR c++/13764
1844         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1845
1846         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1847
1848 2005-09-26  James E Wilson  <wilson@specifix.com>
1849
1850         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1851         copyright.  Add gcc copyright plus libgcc exception.
1852         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
1853         copyright.
1854         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1855
1856 2005-09-26  Jeff Law  <law@redhat.com>
1857
1858         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1859         about when to iterate.
1860
1861 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
1862
1863         PR target/23847
1864         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1865         for __complex__ double in -mcpu=G5 mode.
1866
1867 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
1868
1869         PR tree-optimization/23942
1870         * Makefile.in (SCEV_H): Depends on PARAMS_H.
1871         * tree-scalar-evolution.c: Include params.h.
1872         (t_bool): New enum.
1873         (follow_ssa_edge, follow_ssa_edge_in_rhs,
1874         follow_ssa_edge_in_condition_phi_branch,
1875         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1876         Change return type to t_bool.  Use a parameter to limit the size of
1877         trees that are walked before stopping
1878         (analyze_evolution_in_loop): Initialize the limit to 0.
1879         (follow_ssa_edge): Give up by returning t_dont_know if the limit
1880         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1881
1882 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
1883
1884         PR middle-end/23831
1885         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1886         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1887
1888 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
1889
1890         * combine.c (make_extraction): Check for valid use of subreg.
1891
1892 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
1893
1894         PR target/24055
1895         * config/i386/i386.md ("*fistdi2_1"): New pattern.
1896         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1897         ("fist<mode>2_with_temp"): Use only register operands.
1898
1899 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
1900
1901         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1902         CALL_INSN_FUNCTION_USAGE.
1903
1904 2005-09-26  Richard Guenther  <rguenther@suse.de>
1905
1906         PR middle-end/15855
1907         * gcse.c: Include hashtab.h, define ldst entry hashtable.
1908         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1909         (ldst_entry): Use the hashtable instead of list-walking.
1910         (find_rtx_in_ldst): Likewise.
1911         (free_ldst_entry): Free the hashtable.
1912         (compute_ld_motion_mems): Create the hashtable.
1913         (trim_ld_motion_mems): Remove entry from hashtable if
1914         removing it from list.
1915         (compute_store_table): Likewise^2.
1916         (store_motion): Free hashtable in case we did not see
1917         any stores.
1918
1919 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
1920
1921         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1922         and arg1 if we are passing them to fold_build2.
1923
1924 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
1925
1926         PR 23828
1927         * config/i386/i386.c (ix86_function_regparm): Fix the test for
1928         a nested function.
1929
1930 2005-09-25  Richard Henderson  <rth@redhat.com>
1931
1932         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1933         SYMBOL_REF_TLS_MODEL to be correct.
1934
1935 2005-09-24  Richard Henderson  <rth@redhat.com>
1936
1937         * ipa-type-escape.c (discover_unique_type): Remove dead code at
1938         end of function.  Reindent.
1939
1940 2005-09-24  Ian Lance Taylor  <ian@airs.com>
1941
1942         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1943         NEGATE_EXPR/BIT_NOT_EXPR case.
1944
1945 2005-09-24  Richard Henderson  <rth@redhat.com>
1946
1947         * c-common.c (handle_mode_attribute): When not modifying in place,
1948         create subtypes for enumerations.
1949         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1950         * gimplify.c (create_tmp_from_val): Likewise.
1951
1952 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
1953
1954         * config/i386/i386.md (*tls_global_dynamic_64,
1955         *tls_local_dynamic_base_64): Add missing mode to call.
1956         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1957
1958 2005-09-24  Jan Hubicka  <jh@suse.cz>
1959
1960         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1961         (cgraph_clone_node): Likewise.
1962         * cgraph.h (cgraph_clone_edge): Update prototype.
1963         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1964         duplicated prototypes; add updating argument.
1965         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1966         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1967         updating profile.
1968         (cgraph_mark_inline_edge): Likewise.
1969         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1970         (cgraph_flatten_node): Likewise.
1971         (cgraph_decide_recursive_inlining): Likewise.
1972         (cgraph_decide_inlining_of_small_function): Likewise.
1973         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1974
1975 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
1976             Pete Steinmetz <steinmtz@us.ibm.com>
1977
1978         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1979         (rldic.): Set type to "compare".
1980         (rldicr.): Same.
1981         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
1982         mfjmpr for MFCTR/MFLR.
1983         (movdf_hardfloat64): Same.
1984         (movdf_softfloat64): Same.  Correct order of store and move types.
1985         (movti_string): Set type to store_ux/load_ux.
1986         (load_multiple): Set type to load_ux.
1987         (store_multiple): Set type to store_ux.
1988         (movmemsi): Set type to store_ux.
1989         (output_cbranch direct_return): Set type to jmpreg.
1990         (stmw): Set type to store_ux.
1991         (lmw): Set type to load_ux.
1992         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1993         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1994         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1995         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1996         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1997         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1998         (rios1-fpstore): Increase latency to 3.
1999         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2000         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2001
2002 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2003             Andrew Pinski  <pinskia@physics.uc.edu>
2004
2005         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2006         operand2 constraint to "b".
2007         (sync_<fetchop_name>di_internal): Same.
2008         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2009         to "b".
2010         (sync_old_<fetchop_name>di_internal): Same.
2011         (sync_new_<fetchop_name>si_internal): Same.
2012         (sync_new_<fetchop_name>di_internal): Same.
2013
2014 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
2015
2016         PR middle-end/23991
2017         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2018         case, define as macros.
2019
2020         PR rtl-optimization/23837
2021         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
2022         clobber / clobber match between dest and p->first.
2023
2024         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2025         (no_conflict_move_test): Update comments.
2026
2027 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2028
2029         * doc/install.texi: Update URL for Jacks.
2030         * doc/sourcebuild.texi: Likewise.
2031
2032 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
2033
2034         PR target/24007
2035         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2036         registers when choosing register preferences.
2037         (movdf_hardfloat64): Same.
2038
2039 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
2040
2041         * expmed.c (expand_shift): Don't use the target of the rotate as
2042         target for the first expanded shift insn.
2043         * testsuite/gcc.dg/20050922-1.c: Testcase added.
2044
2045 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
2046
2047         PR tree-optimization/22438
2048         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2049         preserved iv rhs rewriting specially.
2050
2051 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
2052
2053         * tree-data-ref.c (analyze_array_indexes): Only estimate when
2054         estimate_only  is true.
2055         * tree-flow.h (ref_contains_indirect_ref): New prototype.
2056         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2057         tree-ssa-structalias.c
2058         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2059         ref_contains_indirect_ref.
2060         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2061
2062 2005-09-21  DJ Delorie  <dj@redhat.com>
2063
2064         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2065         MASK_PTR_A0D0.
2066         (mn10300_return_in_memory): Support variable size types also.
2067         (mn10300_pass_by_reference): Likewise.
2068         (mn10300_function_value): New.
2069         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2070         (FUNCTION_OUTGOING_VALUE): Likewise.
2071         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2072         * doc/invoke.texi: Document it.
2073
2074 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
2075
2076         PR target/22585
2077         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2078         force integer op1 into register for XFmode compares.
2079
2080 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2081
2082         PR middle-end/23971
2083         * expmed.c (alg_code): Add alg_impossible.
2084         (alg_hash_entry): Add cost.
2085         (synth_mult): Record alg_impossible in the hash table if
2086         multiplication by a given integer is impossble within the
2087         limit.  Speed up using alg_impossible.
2088
2089 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
2090
2091         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2092         argument.  Allow and set any offset if needs_anyoffset is passed
2093         in.
2094         (get_constraint_for): Add argument here too.
2095         Pass it down.
2096         (do_structure_copy): Pass NULL to get_constraint_for.
2097         (handle_ptr_arith): Ditto.
2098         (find_func_aliases): Ditto.
2099
2100 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
2101
2102         PR rtl-optimization/23898
2103         * output.h (get_attr_min_length): Declare.
2104         * final.c (get_attr_length_1): New function, broken out of:
2105         (get_attr_length).
2106         (get_attr_min_length): New function.
2107         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2108         (duplicate_computed_gotos): Likewise.
2109         * genattr.c (insn_min_length): Generate declaration.
2110         * genattrtab.c (min_fn, min_attr_value): New functions.
2111         (make_length_attrs): Generate insn_min_length.
2112
2113 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
2114
2115         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2116
2117 2005-09-20  Richard Henderson  <rth@redhat.com>
2118
2119         PR tree-optimization/24059
2120         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2121         EXPAND_STACK_PARM.
2122
2123 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
2124
2125         * c.opt (fextended-identifiers): New.
2126         * c-opts.c (c_common_handle_option): Handle
2127         -fextended-identifiers.
2128         * doc/cpp.texi: Update documentation of extended identifiers.
2129         * doc/cppopts.texi (-fextended-identifiers): Document.
2130
2131 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
2132
2133         PR tree-optimization/23929
2134         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2135         if expr is NULL.
2136
2137         PR tree-optimization/23818
2138         * tree-stdarg.c (execute_optimize_stdarg): Call
2139         calculate_dominance_info.
2140
2141 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
2142
2143         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2144         (analyze_siv_subscript_cst_affine): Add weak SIV test.
2145         (compute_overlap_steps_for_affine_1_2): Use
2146         get_number_of_iters_for_loop.
2147         (analyze_subscript_affine_affine): Check whether difference is
2148         zero first.
2149         Use get_number_of_iters_for_loop.
2150         Check whether overlap occurs outside of bounds.
2151         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2152
2153 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
2154
2155         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2156         base register if possible.
2157
2158 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
2159
2160         PR tree-optimization/18463
2161         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2162         converting it directly is not possible.
2163         (chrec_convert_aggressive): New function.
2164         * tree-chrec.h (chrec_convert_aggressive): Declare.
2165         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2166         Fold chrec conversions aggressively if asked to.
2167         (instantiate_parameters): Modified because of changes in
2168         instantiate_parameters_1.
2169
2170 2005-09-19  Richard Henderson  <rth@redhat.com>
2171
2172         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2173         (reduc_splus_v2df): New.
2174
2175 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
2176
2177         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2178         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
2179
2180 2005-09-19  Richard Henderson  <rth@redhat.com>
2181
2182         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2183         vcondu<SSEMODE12>.
2184
2185 2005-09-19  Richard Henderson  <rth@redhat.com>
2186
2187         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2188         (ia64_expand_dot_prod_v8qi): New.
2189         * config/ia64/ia64-protos.h: Update.
2190         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2191         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2192         sdot_prodv8qi, sdot_prodv4hi): New.
2193         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2194
2195 2005-09-19  Richard Henderson  <rth@redhat.com>
2196
2197         PR 23941
2198         * real.c (exact_real_truncate): Return false if the format cannot
2199         represent the number as a normal.
2200
2201         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2202         for a memory source.
2203
2204 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
2205
2206         * tree-ssa-operands.c (swap_tree_operands): Export.
2207         * tree.h (swap_tree_operands): Declare.
2208         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2209         Call swap_tree_operands.
2210
2211 2005-09-19  Richard Henderson  <rth@redhat.com>
2212
2213         * tree-flow.h (merge_alias_info): Declare.
2214         * tree-ssa-copy.c (merge_alias_info): Export.
2215         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2216         (vect_create_data_ref_ptr): Use create_iv directly.
2217         (vectorizable_load): Use correct types for integer constants.
2218         (vect_generate_tmps_on_preheader): Likewise.
2219         (vect_gen_niters_for_prolog_loop): Likewise.
2220
2221 2005-09-19  Steven Bosscher  <stevenb@suse.de>
2222
2223         PR rtl-optimization/23943
2224         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2225
2226 2005-09-18  Jan Hubicka  <jh@suse.cz>
2227
2228         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2229
2230 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
2231
2232         * varasm.c (output_constant): Do not abort on conversions to union
2233         types between different sizes.
2234
2235 2005-09-18  Richard Guenther  <rguenther@suse.de>
2236
2237         PR middle-end/23944
2238         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2239         fallback.
2240
2241 2005-09-18  Paul Brook  <paul@codesourcery.com>
2242
2243         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2244
2245 2005-09-17  Richard Henderson  <rth@redhat.com>
2246
2247         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2248         * tree-ssa-loop.c (pass_vect_dce): Remove.
2249         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2250         of pass_vectorize.
2251
2252 2005-09-17  Richard Henderson  <rth@redhat.com>
2253
2254         * tree-pass.h (pass_vect_dce): Declare.
2255         * passes.c (init_optimization_passes): Add it.
2256         * tree-flow.h (tree_ssa_dce): Declare.
2257         * tree-ssa-dce.c (tree_ssa_dce): Export.
2258         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2259         (gate_tree_vectorize): ... here.
2260         (pass_vect_dce): New.
2261
2262 2005-09-17  Jan Hubicka  <jh@suse.cz>
2263
2264         * except.c (struct eh_status): Turn region_array into vec.
2265         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2266         convert_from_eh_region_ranges, find_exception_handler_labels,
2267         current_function_has_exception_handlers, assign_filter_values,
2268         build_post_landing_pads, dw2_build_landing_pads,
2269         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2270         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2271         foreach_reachable_handler, can_throw_internal_1,
2272         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2273         region_array.
2274         (duplicate_eh_region_1): Update region_array.
2275         (duplicate_eh_regions): Resize region_array and avoid recomputing.
2276
2277 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
2278
2279         PR middle-end/22067
2280         * expmed.c (expand_mult): Substitute simple register for op0 when
2281         computing max_cost.
2282
2283 2005-09-17  Richard Henderson  <rth@redhat.com>
2284
2285         * expr.c (emit_move_via_integer): Add force argument, pass it on
2286         to emit_move_change_mode.  Update callers.
2287         (emit_move_complex): Pass true to new force argument.
2288         * function.c (expand_function_end): Move expand_eh_return call
2289         earlier.  Merge sub-word complex values into a pseudo before
2290         copying to the return hard register.
2291
2292 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
2293
2294         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2295         between different sizes.
2296
2297 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
2298
2299         PR 23903
2300
2301         * passes.c (init_optimization_passes): Register dump files for
2302         IPA passes first.
2303
2304 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
2305
2306         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2307         * config/s390/s390.c (s390_overlap_p): New function.
2308         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2309         peephole2, "*xc" peephole2): Added overlap check to the peephole2
2310         condition.
2311
2312 2005-09-16  Richard Guenther  <rguenther@suse.de>
2313
2314         * ipa-pure-const.c (static_execute): Free auxiliar information.
2315         * ipa-type-escape.c (discover_unique_type): Free temporary key.
2316         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2317
2318 2005-09-15  DJ Delorie  <dj@redhat.com>
2319
2320         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2321
2322 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
2323
2324         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2325         to order operands.
2326         (swap_commutative_operands_with_target): New.
2327
2328 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
2329
2330         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2331         parameter.
2332         Update callers.
2333         (estimate_iters_using_array): New function.
2334         * tree-data-ref.h (estimate_iters_using_array): Prototype
2335         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2336         Use estimate_iters_using_array instead of analyze_array.
2337
2338 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
2339
2340         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2341         as addressable.
2342
2343 2005-09-15  Michael Matz  <matz@suse.de>
2344
2345         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2346
2347 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
2348
2349         PR tree-optimization/23835
2350         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2351         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2352
2353 2005-09-14  Richard Henderson  <rth@redhat.com>
2354
2355         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2356         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2357
2358 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
2359
2360         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2361         in the ARRAY_TYPE case.
2362
2363 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
2364
2365         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2366
2367 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
2368
2369         PR middle-end/22480
2370         * tree-vect-transform.c (vectorizable_operation): Return false for
2371         scalar shift operations and for vector shift operations with
2372         non-invariant shift arguments.  Use scalar tree operand op1 as
2373         a shift operand when vector shift insn pattern uses scalar shift
2374         operand.
2375         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2376
2377 2005-09-14  Olivier Hainque  <hainque@adacore.com>
2378
2379         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2380         value if it has side-effects.
2381
2382 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
2383
2384         PR target/22068
2385         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2386
2387 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
2388
2389         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2390         passed as NAME as if it were label at start of function code.
2391
2392 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
2393
2394         * config/sh/sh.md (*movv4sf_i): Add general register cases to
2395         the constraints.
2396
2397 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
2398
2399         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2400         as early clobber.  Rewrite so the PIC register is not implicitly used.
2401
2402 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2403
2404         * tree.c (annotate_with_file_line): Compare line numbers before
2405         file names.
2406
2407 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
2408
2409         PR target/23816
2410         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2411         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2412
2413 2005-09-13  Ian Lance Taylor  <ian@airs.com>
2414
2415         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2416         than a HOST_WIDEST_INT to gen_doloop_begin.
2417
2418 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
2419
2420         * tree-dfa.c (dump_variable): Guard against NULL annotations.
2421
2422 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
2423
2424         PR tree-optimize/23817
2425         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2426
2427 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
2428
2429         PR target/23774
2430         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2431         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
2432         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2433         (restore_stack_nonlocal): Likewise.
2434         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2435
2436 2005-09-12  Ian Lance Taylor  <ian@airs.com>
2437
2438         PR g++/7874
2439         * c.opt (ffriend-injection): New C++ option.
2440         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2441         (C++ Dialect Options): Document -ffriend-injection.
2442
2443 2005-09-12  Josh Conner  <jconner@apple.com>
2444
2445         PR middle-end/23237
2446         * ipa-reference.c (static_execute): Don't mark variables in
2447         named sections TREE_READONLY.
2448
2449 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
2450
2451         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2452         stack_tie.
2453
2454 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
2455
2456         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2457         V_MUST_DEF instead of just the first_use_p.
2458         Don't mark the virtual variables for renaming on the statement which
2459         is being removed.
2460         (pass_dse): Remove TODO_update_ssa.
2461
2462 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
2463
2464         PR middle-end/23290
2465         * stor-layout.c (compute_record_mode): For records with a single
2466         field, actually check the field's mode size against the type size.
2467
2468         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2469         registers for TARGET_SHMEDIA.
2470         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2471         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
2472         of GENERAL_REGS and FP_REGS.
2473
2474 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2475
2476         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2477
2478 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
2479
2480         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2481         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2482         are omitted.  Exclude stack_tie insn too.
2483
2484 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
2485
2486         PR rtl-optimization/23098
2487         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2488         0.0f is easy.
2489         * config/rs6000/rs6000.md (movdf splitter): Use
2490         const_double_operand predicate for TARGET_POWERPC64.
2491         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2492         SYMBOL_REF method to ABI_V4.
2493
2494         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2495         replace_equiv_address.
2496         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2497         rs6000_sr_alias_set and MEM_NOTRAP.
2498         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2499
2500 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
2501
2502         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2503         handle CALL_EXPR again.
2504
2505 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2506
2507         * arm/predicates.md (alignable_memory_operand): Delete.
2508
2509 2005-09-10  Richard Henderson  <rth@redhat.com>
2510
2511         PR debug/23806
2512         * dbxout.c (dbxout_expand_expr): New.
2513         (dbxout_symbol): Use it.
2514
2515 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
2516
2517         * arm.c (arm_gen_rotated_half_load): Delete.
2518         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2519         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2520         (thumb_set_return_address): Likewise.
2521         (thumb_load_double_from_address): Use adjust_address.
2522         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2523         (extendhsisi2_mem, movhi_bytes): Use change_address.
2524         (movhi): Use widen_memory_access.
2525         (reload_out_df): Use replace_equiv_address.
2526         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2527
2528 2005-09-09  Richard Henderson  <rth@redhat.com>
2529
2530         PR debug/20998
2531         * dbxout.c: Include expr.h.
2532         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2533         (dbxout_symbol): Handle DECL_VALUE_EXPR.
2534         * Makefile.in (dbxout.o): Add EXPR_H.
2535
2536 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
2537
2538         PR tree-optimization/23509
2539         * tree-cfg.c (replace_uses_by): Use replace_exp.
2540         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2541         pointers have name_mem_tag or type_mem_tag set.
2542
2543 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
2544
2545         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2546         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2547         of wrongly accessing operands.
2548
2549 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
2550
2551         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2552         * tree-chrec.c: Include tree-scalar-evolution.h.
2553         (chrec_convert): Instantiate the base and step before calling
2554         scev_probably_wraps_p that would fail on parametric evolutions.
2555         Collect all the fails into a single section failed_to_convert,
2556         print a diagnostic, and return chrec_dont_know instead of calling
2557         fold_convert.
2558         * tree-scalar-evolution.c (loop_closed_phi_def): New.
2559         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2560         phi nodes.
2561         (scev_const_prop): Don't replace the definition of a loop closed ssa
2562         phi node by itself, or by another loop closed ssa phi node.
2563         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2564         that base and step are defined.
2565
2566 2005-09-09  Richard Guenther  <rguenther@suse.de>
2567
2568         PR c++/23624
2569         * fold-const.c (fold_ternary): Check truth_value_p before
2570         calling invert_truthvalue.
2571
2572 2005-09-09  Nick Clifton  <nickc@redhat.com>
2573
2574         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2575         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2576         dimension of these arrays.
2577         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2578         these arrays.
2579         * longlong.h: Only provide a prototype for the __clz_tab[] array
2580         if this header has not been included from libgcc2.h.
2581         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2582         defining own types.
2583         Provide prototypes for exported functions.
2584         Use the __clz_tab[] and __popcount_tab[] arrays provided by
2585         libgcc2.c.
2586
2587 2005-09-08  Josh Conner  <jconner@apple.com>
2588
2589         PR c++/21135
2590         PR c++/23180
2591         * expr.c (expand_expr_addr_expr_1): Don't invoke
2592         expand_simple_binop for EXPAND_INITIALIZER.
2593
2594 2005-09-08  Richard Henderson  <rth@redhat.com>
2595
2596         PR debug/23190
2597         * toplev.c (wrapup_global_declaration_1): Split out ...
2598         (wrapup_global_declaration_2): ... from ...
2599         (wrapup_global_declarations): ... here.  Return bool.
2600         (check_global_declaration_1): Split out ...
2601         (check_global_declarations): from here.
2602         (emit_debug_global_declarations): New.
2603         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2604         check_global_declaration_1, emit_debug_global_declarations): Declare.
2605         * c-decl.c (c_write_global_declarations_1): Don't create a vector
2606         of decls.  Call wrapup_global_declaration_1,
2607         wrapup_global_declaration_2, check_global_declaration_1 directly.
2608         (c_write_global_declarations_2): New.
2609         (ext_block): New.
2610         (c_write_global_declarations): Call c_write_global_declarations_2.
2611         * langhooks.c (write_global_declarations): Call
2612         emit_debug_global_declarations.
2613
2614         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2615         remove decls that have DECL_RTL_SET_P.
2616         * passes.c (rest_of_decl_compilation): Invoke
2617         cgraph_varpool_finalize_decl for all but functions.
2618
2619 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2620
2621         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2622         the result of a conversion if the new min and max cannot be compared.
2623
2624 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
2625
2626         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2627         (override_options): Setting s390_sr_alias_set removed.
2628         (save_fpr, save_gprs): Set alias set to vararg or frame.
2629         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2630         s390_sr_alias_set with get_frame_alias_set ().
2631         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2632         get_varargs_alias_set ().
2633
2634 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
2635
2636         PR objc/20574
2637         PR objc/19324
2638         * c-parser.c (c_parser_objc_method_definition): If the next
2639         token is not "{", error out and don't start the function.
2640
2641 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
2642
2643         * tree-vrp.c (extract_range_from_expr): Move the check for non
2644         nullness after the check for gimple invariant.
2645
2646 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2647
2648         * tree.c (host_integerp, tree_low_cst): Correct function comment.
2649
2650 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2651
2652         PR target/23747
2653         * config/m32r.md (movmemsi_internal): Canonicalize order of
2654         operands in PLUS component of template.
2655
2656 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2657
2658         * reload1.c (fixup_eh_region_note): Remove assertion.
2659         (fixup_abnormal_edges): Reverted removal of call to
2660         find_many_sub_basic_blocks made on 2005-08-31.
2661
2662 2005-09-07  Richard Henderson  <rth@redhat.com>
2663
2664         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2665         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2666         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2667         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2668         rearrange for better packing.
2669         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2670         (lookup_cfa_1): Remove inline marker.
2671         (cfa_equal_p): Split out of ...
2672         (def_cfa_1): ... here.  Use INVALID_REGNUM.
2673         (build_cfa_loc): Handle !cfa->indirect.
2674         (frame_pointer_cfa_offset): New.
2675         (dbx_reg_number): Assert register elimination performed; do
2676         leaf register remapping.
2677         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2678         (eliminate_reg_to_offset): New.
2679         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
2680         for verifiably local stack frame addresses; re-base to CFA.
2681         (mem_loc_descriptor): Remove can_use_fbreg argument.
2682         (concat_loc_descriptor, loc_descriptor): Likewise.
2683         (containing_function_has_frame_base): Remove.
2684         (rtl_for_decl_location): Don't do register elimination or
2685         leaf register remapping here.
2686         (secname_for_decl): Split out from ..
2687         (add_location_or_const_value_attribute): ... here.
2688         (convert_cfa_to_loc_list): New.
2689         (compute_frame_pointer_to_cfa_displacement): New.
2690         (gen_subprogram_die): Use them.
2691         * tree.h (frame_base_decl): Remove.
2692         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2693         (prologue_stack_adjust): Remove.
2694         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2695         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2696         (set_frame_base_location): Remove.
2697         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2698         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2699         (vt_add_function_parameters): Don't eliminate_regs.
2700         (vt_initialize): Don't create frame_base_decl.
2701
2702 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2703
2704         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2705         version of GNU binutils for 4.x and later.
2706
2707 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
2708
2709         * ggc-page.c (ggc_push_context): Remove.
2710         (ggc_pop_context): Likewise.
2711         * ggc.h (ggc_push_context): Remove.
2712         (ggc_pop_context): Likewise.
2713
2714 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2715
2716         PR target/8973
2717         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2718         returning from an interrupt handler.
2719
2720 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2721
2722         PR target/8972
2723         * config/arc/arc.c (output_shift): Add check for loop count when
2724         optimizing.
2725
2726 2005-09-06  Steven Bosscher  <stevenb@suse.de>
2727
2728         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2729         form manually.
2730         (abs_replacement): Likewise.
2731         (pass_phiopt): Remove TODO_update_ssa.
2732
2733 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
2734
2735         PR c/23075
2736         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2737         if "return with no value, in function returning non-void" warning
2738         has been issued.
2739         * tree-cfg.c (execute_warn_function_return): Don't look at
2740         RETURN_EXPRs with TREE_NO_WARNING set.
2741
2742         PR target/22362
2743         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2744         for internal functions doesn't use registers used by global registers
2745         variables.  Use fewer register parameters if there are global register
2746         variables.
2747
2748 2005-09-06  Olivier Hainque  <hainque@adacore.com>
2749             Eric Botcazou  <ebotcazou@adacore.com>
2750
2751         PR middle-end/14997
2752         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2753         when we would be extracting outside its bit span (bitpos+bitsize
2754         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2755         Ada unchecked conversions.
2756
2757 2005-09-06  Steven Bosscher  <stevenb@suse.de>
2758
2759         * tree-ssa-pre.c (try_look_through_load): New function.
2760         (compute_avail): Use it to try to look through loads for some
2761         more useful expressions.
2762
2763 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
2764
2765         * simplify-rtx.c (simplify_binary_operation_1): Correct the
2766         condition for detecting cases like (a&a) and (a^a).
2767
2768 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
2769
2770         * common.opt: Add option ftree-vect-loop-version.
2771         * params.def: Add --param vect-max-version-checks.
2772         * doc/invoke.texi: Document ftree-vect-loop-version and
2773         --param vect-max-version-checks.
2774         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2775         may_misalign_stmts and defines for accessors.
2776         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2777         LOOP_VINFO_MAY_MISALIGN_STMTS.
2778         (destroy_loop_vec_info): VEC_free for
2779         LOOP_VINFO_MAY_MISALIGN_STMTS.
2780         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2781         Update documentation.
2782         (vect_update_misalignment_for_peel): New.
2783         (vect_enhance_data_refs_alignment): Update to choose loop
2784         peeling or loop versioning if appropriate for the (potentially)
2785         unaligned data references in the loop.
2786         (vect_analyze_data_refs_alignment): Remove call to
2787         vect_enhance_data_refs_alignment so the checks can be done
2788         earlier.
2789         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2790         and move up call to vect_analyze_data_refs_alignment.
2791         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2792         (vect_transform_loop): Add call to loop_version.
2793
2794 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
2795
2796         PR rtl-optimization/23098
2797         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2798         * simplify-rtx.c (constant_pool_reference_p): New function.
2799         * rtl.h (constant_pool_reference_p): New prototype.
2800         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2801         constant_pool_reference_p in condition and
2802         avoid_constant_pool_reference in preparation statements.
2803
2804 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2805
2806         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2807         STRICT_LOW_PART SETs.
2808
2809 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
2810
2811         PR middle-end/21460
2812         * except.c (sjlj_emit_function_enter): Find the function begin
2813         note even when it's not in first basic block.
2814
2815 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
2816
2817         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
2818         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2819         * aclocal.m4: Regenerate.
2820
2821 2005-09-05  DJ Delorie  <dj@redhat.com>
2822
2823         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2824         of macro.
2825
2826 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
2827
2828         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2829         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2830         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2831         Follow spelling conventions.
2832         * doc/invoke.texi: Follow spelling conventions.
2833
2834 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
2835
2836         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2837         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2838         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2839
2840 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
2841
2842         PR target/23683
2843         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2844         (output_stack_adjust): Use gen_tmp_stack_mem.
2845         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2846         (sh_set_return_address, sh_allocate_initial_value): Likewise.
2847         (sh_get_pr_initial_val): Likewise.
2848         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2849         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
2850         * sh.md (divsi_inv_m0): Use gen_const_mem.
2851         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2852         (movdf_i4+1): Use gen_tmp_stack_mem.
2853         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2854         (fpu_switch+2): Likewise.
2855         (movv4sf_i, movv16sf_i): Use adjust_address.
2856         (symGOT_load): Set MEM_NOTRAP_P bit.
2857
2858 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2859
2860         PR target/23721
2861         * pa.c (emit_move_sequence): Fix typo in last change.
2862
2863 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
2864
2865         PR rtl-optimization/23454
2866         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2867         is true.
2868
2869 2005-09-03  Richard Henderson  <rth@redhat.com>
2870             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2871
2872         PR middle-end/23671
2873         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2874         gen_rtx_MEM.
2875
2876 2005-09-02  Nicolas Pitre <nico@cam.org>
2877
2878         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2879         to bit_count to 32 bits.
2880
2881 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
2882
2883         PR c++/23167
2884         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2885         generating synthetic loads from volatile lvalues.
2886
2887 005-09-02  Nick Clifton  <nickc@redhat.com>
2888
2889         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2890         __ctzhi2, __clzhi2): New functions.
2891
2892 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
2893
2894         PR middle-end/23547
2895         * tree-nested.c (struct var_map_elt): Mark with GTY.
2896         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
2897         var_map_elt.
2898         (lookup_field_for_decl): Allocate new element in GC memory.
2899         (lookup_tramp_for_decl): Likewise.
2900         (convert_nl_goto_reference): Likewise
2901         (create_nesting_tree): Allocate info in GC memory. Likewise for
2902         info->var_map.
2903         (free_nesting_tree): Free with ggc_free instead of free.
2904         (root): New static variable.
2905         (lower_nested_functions): Remove root as local variable.  And zero out
2906         root at the end of the function.
2907
2908 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
2909
2910         PR rtl-optimization/20365
2911         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2912         to short.  New member ix.
2913         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2914         (simplify_plus_minus): Initialize ix members before calling qsort.
2915
2916 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
2917
2918         PR tree-optimization/23626
2919         * tree-cfg.c (replace_uses_by): Clean up eh info.
2920
2921 2005-09-01  DJ Delorie  <dj@redhat.com>
2922
2923         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2924         fprintf.
2925
2926 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
2927
2928         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2929         (rs6000_split_multireg_move): Use replace_equiv_address instead of
2930         gen_rtx_MEM.
2931
2932 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
2933
2934         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
2935         do not issue warning for a variable definition following
2936         a declaration.
2937
2938 2005-09-01  Richard Henderson  <rth@redhat.com>
2939
2940         PR 23668
2941         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2942         conversion to CONST_VECTOR.
2943
2944 2005-09-01  Richard Henderson  <rth@redhat.com>
2945
2946         PR 23676
2947         * reload1.c (reload_as_needed): Check !CALL_P before calling
2948         fixup_eh_region_note.
2949         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2950
2951 2005-09-01  DJ Delorie  <dj@redhat.com>
2952
2953         * varasm.c (output_constant): Let the target resolve
2954         conversions of addresses to non-default pointer sizes.
2955
2956 2005-09-01  Nicolas Pitre <nico@cam.org>
2957
2958         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2959         to alow matching ARM pre-indexed addressing mode.
2960         (arm_override_options): Remove now irrelevant comment.
2961
2962 2005-09-01  Phil Edwards  <phil@codesourcery.com>
2963
2964         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
2965         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
2966         * config/i386/vxworks.h:  Likewise.
2967         * config/i386/t-vxworksae:  New file, for VxWorks AE.
2968         * config/i386/vxworksae.h:  Likewise.
2969
2970 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
2971
2972         PR tree-optimization/23410
2973         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2974         sequence is not wrapping during the first step.
2975
2976 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
2977
2978         PR debug/7241
2979         * dwarf2out.c (base_type_die): Compare char_type_node with
2980         TYPE_MAIN_VARIANT (type), not type.
2981
2982 2005-09-01  Richard Guenther  <rguenther@suse.de>
2983
2984         PR tree-optimization/15366
2985         * common.opt: Add -finline-functions-called-once.
2986         Put -fearly-inlining in alphabetically ordered place.
2987         * doc/invoke.texi: Document new option.
2988         * ipa-inline.c (cgraph_decide_inlining): Honour
2989         flag_inline_functions_called_once.
2990
2991 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
2992
2993         PR rtl-optimization/23478
2994         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2995         (alloc_qty): Initialize it.
2996         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2997         (combine_regs): Combine also n_throwing_calls_crossed fields.
2998         (find_free_reg): Don't attempt to caller-save pseudos crossing
2999         calls that might throw.
3000         * global.c (struct allocno): Add throwing_calls_crossed field.
3001         (global_alloc): Revert 2005-08-22 change.  Initialize
3002         throwing_calls_crossed.
3003         (find_reg): Don't attempt to caller-save pseudos crossing calls that
3004         might throw.
3005
3006 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
3007
3008         PR target/23649
3009         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3010         (mask64_operand): Reinstate code prior to 2005-06-11 change.
3011         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3012         (and64_2_operand): Tweak to use predicate.
3013         (and_operand): Adjust for mask_operand changes.
3014         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3015         (print_operand): Likewise.
3016         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3017         (mask64_1or2_operand): Delete.
3018         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3019         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3020         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3021         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3022         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3023         (rotldi3_internal4): Likewise.
3024         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3025         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3026         (ashldi3_internal7): Likewise.
3027         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3028         (ashldi3_internal, ashldi3_internal9 split): Likewise.
3029         (anddi3 split): Don't match mask64_operand.
3030         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
3031         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
3032         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
3033         't' splitter predicate.
3034         (movdi_internal64 + 2): Revert 2005-06-11 change.
3035
3036 2005-08-31  DJ Delorie  <dj@redhat.com>
3037
3038         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3039         (m32c_asm_integer): Add support for 32 bit pointers.
3040
3041 2005-08-31  Richard Henderson  <rth@redhat.com>
3042
3043         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3044         component-like references for setting MEM_NOTRAP_P.
3045
3046         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3047         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3048
3049 2005-08-31  Richard Henderson  <rth@redhat.com>
3050
3051         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3052         into a pseudo before applying gen_lowpart.
3053
3054 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
3055
3056         * doc/install.texi (Specific): Update cctools version required
3057         for full functionality.
3058         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3059         linkers as -macosx_version_min.
3060
3061 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
3062
3063         PR target/21255
3064         * sh.c (print_operand, %R and %S): Add handling of floating point
3065         registers, memory, constants and invalid operands.
3066
3067 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
3068
3069         * ipa-pure-const.c: Change dump name.
3070
3071 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3072
3073         PR target/23570
3074         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3075         to "reg_or_0_operand".
3076         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3077
3078 2005-08-31  Dale Johannesen  <dalej@apple.com>
3079
3080         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
3081         loops that count down.
3082
3083 2005-08-31  Richard Henderson  <rth@redhat.com>
3084
3085         PR rtl-opt/23601
3086         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3087         (fixup_eh_region_note): New.
3088         (reload_as_needed): Call it.
3089         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3090         don't call find_many_sub_basic_blocks; call verify_flow_info.
3091         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3092         (keep_stack_depressed): Likewise.
3093         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3094
3095 2005-08-31  Richard Henderson  <rth@redhat.com>
3096
3097         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3098         fp return matching.
3099
3100 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
3101
3102         * expr.c (expand_expr_real_1): Compare size of address
3103         mode to target's address mode size in deciding expansion of
3104         the constant address.
3105
3106 2005-08-31  Richard Guenther  <rguenther@suse.de>
3107
3108         PR middle-end/23477
3109         * expr.c (all_zeros_p): New function.
3110         (expand_expr_real_1): Handle the case of an all-zero
3111         non-addressable constructor separately.
3112
3113 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
3114
3115         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3116         arguments, adjust all callers.
3117         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3118
3119 2005-08-30  Richard Henderson  <rth@redhat.com>
3120
3121         PR target/23630
3122         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3123         whenever the mode sizes match.
3124
3125 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
3126
3127         * calls.c (load_register_parameters): Fix comment typo.
3128         * expr.c (emit_push_insn): Comment formatting.
3129
3130 2005-08-30  Ian Lance Taylor  <ian@airs.com>
3131
3132         * config/i386/x-cygwin (host-cygwin): Change dependency from
3133         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3134
3135 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
3136
3137         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3138         parts of 'vals'.
3139
3140 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
3141
3142         PR middle-end/23408
3143         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3144         call to ggc_collect.
3145
3146 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
3147
3148         PR bootstrap/21268
3149         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3150         beginning.  Remove $(INCLUDES) from all the rules, if following
3151         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3152
3153 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
3154
3155         PR middle-end/23484
3156         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3157         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3158         not constant, but maxlen is, don't set len to maxlen, rather
3159         set maxlen to len if len is a constant.
3160
3161 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
3162
3163         PR tree-optimization/23475
3164         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3165         and counts.
3166
3167 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
3168
3169         Fix PR middle-end/22455
3170
3171         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3172         Checksum only the parts of the tree that exist for the tree code.
3173
3174 2005-08-28  Dale Johannesen  <dalej@apple.com>
3175
3176         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
3177
3178 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
3179
3180         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3181
3182 2005-08-28  Richard Henderson  <rth@redhat.com>
3183
3184         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3185         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3186         of char_type_node.
3187
3188 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
3189
3190         PR ada/23593
3191         * builtins.c (get_memory_rtx): Don't strip nops
3192         in between COMPONENT_REFs.
3193
3194 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
3195
3196         PR middle-end/23463
3197         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3198         types.
3199         (gimplify_modify_expr): Check for zero sized types and gimplify the
3200         rhs and lhs as statements.
3201
3202 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
3203
3204         PR libgcj/23508
3205         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3206         state for return address column of signal frames.
3207
3208 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
3209
3210         PR target/23539
3211         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3212         bytes >= 2 not bytes == 2.
3213         (expand_block_move): Same.
3214
3215 2005-08-27  Richard Guenther  <rguenther@suse.de>
3216
3217         PR target/23575
3218         * config/i386/sse.md (sse2_movsd): Add missing closing
3219         braces.
3220
3221 2005-08-27  Paul Brook  <paul@codesourcery.com>
3222
3223         * genrecog.c (enum decision_type): Add DT_num_insns.
3224         (struct decision_test): Add u.num_insns.
3225         (add_to_sequence): Add DT_num_insns test.
3226         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3227         (write_cond, debug_decision_2): Ditto.
3228         (change_state): Assume peep2_next_insn never fails.
3229         Remove "afterward" argument.
3230         (write afterward, write_tree): Update to match.
3231         * recog.c (peep2_current_count): New variable.
3232         (peep2_next_insn): Check it.
3233         (peephole2_optimize): Set peep2_current_count.
3234         * recog.h (peep2_current_count): Declare.
3235
3236 2005-08-26  Josh Conner  <jconner@apple.com>
3237
3238         PR middle-end/23584
3239         * ipa-pure-const.c (check_tree): Check for volatile-ness
3240         when considering a dereference.
3241
3242 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
3243
3244         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3245
3246 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
3247
3248         PR rtl-optimization/23561
3249         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
3250         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3251         at most LEN bytes long memory fits into the field.
3252         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3253         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3254         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3255
3256 2005-08-26  Richard Henderson  <rth@redhat.com>
3257
3258         PR rtl-opt/23560
3259         * loop.c (biased_biv_may_wrap_p): New.
3260         (maybe_eliminate_biv_1): Use it to suppress non-equality
3261         comparison transformations.  Delete disabled code.
3262
3263 2005-08-26  Ian Lance Taylor  <ian@airs.com>
3264
3265         * combine.c (make_extraction): Avoid reference outside object.
3266
3267 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
3268
3269         * stor-layout.c (finalize_type_size): Restore behaviour for
3270         non-aggregate types to the status quo ante of the patch for
3271         pr 23467.  Document why it matters.
3272
3273 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
3274
3275         PR c/23506
3276         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3277         array by one element, initialize the BT_LAST element with NULL.
3278
3279 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
3280
3281         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3282         optimizing for size.
3283         (plus_eqsi): Same.
3284         (compare_plus_eqsi): Same.
3285         (plus_eqsi_compare): Same.
3286         (neg_eq0<mode>): Same.
3287         (neg_eq<mode>): Same.
3288
3289         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3290         PROCESSOR_POWER4.
3291
3292 2005-08-26  Nick Clifton  <nickc@redhat.com>
3293
3294         * config/v850/v850.c (ep_memory_operand): Return FALSE if
3295         TARGET_EP is not defined.
3296         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3297         TARGET_EP is enabled.
3298         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3299         * config/v850/v850.md (save_all_interrupt): Only use the EP
3300         register if TARGET_EP is defined.
3301         (restore_all_interrupt): Likewise.
3302         * config/v850/lib1funcs.asm: Update functions so that the EP
3303         register is only used if __EP__ is defined.
3304
3305 2005-08-26  David Ung  <davidu@mips.com>
3306
3307         * config/mips/mips.c (mips_expand_prologue): Handle case when
3308         generating for MIPS16 and the outgoing argument area is more than
3309         SMALL_OPERAND. Use the frame pointer as temporary to generate the
3310         add instruction.
3311
3312 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
3313
3314         * config/crx/crx.md: Make doloop_end pattern usage controllable
3315         via mloop-nesting=<max-nesting> command line switch. Make sure
3316         the combiner cannot use doloop_end_<mode> in an illegal way.
3317         * config/crx/crx.c: Use regs up to r6 for argument passing.
3318         Refine crx_address_cost (non cst4 displacements are expensive).
3319         * config/crx/crx.opt: Add switch for mloop-nesting=.
3320
3321 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
3322
3323         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3324         (UNSPEC_MVST): New constant.
3325
3326 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
3327
3328         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3329         Reject operands containing eliminable registers.
3330         * testsuite/gcc.dg/20050825-1.c: New testcase.
3331
3332 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3333             Jan Hubicka  <jh@suse.cz>
3334
3335         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3336
3337 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3338
3339         PR tree-optimization/23546
3340         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3341         and REAL_CST nodes.
3342
3343 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
3344
3345         * params.def (PARAM_MIN_SPEC_PROB): New.
3346         * sched-rgn.c (MIN_PROBABILITY): Delete.
3347         (compute_trg_info): Convert to PARAM_VALUE.
3348         * doc/invoke.texi (param): Document min-spec-prob.
3349
3350 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
3351
3352         * config/darwin.h: define __PIC__
3353         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3354         TARGET_OS_CPP_BUILTINS macro.
3355
3356 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3357
3358         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3359         yesterday.
3360
3361 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
3362
3363         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3364         to duplicate_block.
3365         * cfghooks.c (duplicate_block): Added position where to place
3366         new block as argument.
3367         * cfghooks.h (duplicate_block): Declaration changed.
3368         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
3369         duplicate_block.
3370         * cfglayout.h (copy_bbs): Declaration changed.
3371         * cfgloop.h (loop_version): Declaration changed.
3372         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3373         position to copy_bbs.
3374         (loop_version): Pass position to duplicate_loop_to_header_edge.
3375         Add place_after argument and position new blocks according to
3376         it.
3377         * modulo-sched.c (sms_schedule): Pass place_after argument
3378         to loop_version.
3379         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3380         * tree-cfg.c (split_edge_bb_loc): New function.
3381         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3382         to determine position of new blocks.
3383         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3384         to loop_version.
3385         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3386         argument to duplicate_block.
3387         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3388         Pass position to copy_bbs.
3389
3390 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
3391
3392         * fold-const.c (ptr_difference_const): Use
3393         cst_and_fits_in_hwi instead of host_integerp.
3394
3395 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3396
3397         * config/darwin.c (gen_pic_offset): New.
3398         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
3399         Use it.
3400
3401 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
3402
3403         PR tree-optimization/23486
3404         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3405
3406 2005-08-23  Phil Edwards  <phil@codesourcery.com>
3407
3408         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
3409         remove use_collect2.
3410         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
3411
3412         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
3413         configuration files to override the default value.
3414
3415         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
3416         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3417         * config/vx-common.h:  New file, split out from...
3418         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
3419         * config/vxworksae.h:  New file, for VxWorks AE.
3420         * config/vxworks.opt:  New file.
3421         * config/vxlib.c:  Update for VxWorks 6.
3422
3423         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
3424         other MULTILIB_* variables appropriately.
3425         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
3426         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
3427         * config/rs6000/vxworks.h:  Update for VxWorks 6.
3428         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
3429
3430 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
3431
3432         PR target/20799
3433         * config/darwin.c (machopic_select_section): Remove the hack to
3434         mark "::operator new" and "::operator delete" for coalescing
3435         even though they are not weak.
3436
3437 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
3438
3439         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3440         * configure: Regenerate.
3441
3442 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
3443
3444         PR middle-end/23517
3445         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3446         between vectors.
3447         * convert.c (convert_to_integer, convert_to_vector): Likewise.
3448         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3449         Likewise.
3450
3451 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
3452
3453         * config/rs6000/predicates.md (equality_operator): New.
3454         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3455         comparison with a large constant.
3456
3457 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
3458
3459         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3460
3461 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
3462
3463         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3464         registers is even, and we have a hardware double precision fp,
3465         align the buffer.
3466         (sh_gimplify_va_arg_expr): For floating point arguments, consider
3467         size of current argument when checking if argument was passed in
3468         registers.
3469
3470         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3471
3472         PR middle-end/23467
3473         * stor-layout.c (finalize_type_size): Dont override
3474         existing alignment with a smaller alignment from the mode.
3475
3476 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
3477
3478         * lambda-code.c (lambda_vector_lexico_pos): Moved...
3479         * lambda.h (lambda_vector_lexico_pos): ... here.
3480         * tree-data-ref.c (build_classic_dist_vector): Return false when
3481         the distance vector is lexicographically negative.
3482
3483 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
3484
3485         PR tree-optimization/23511
3486         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3487         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3488
3489 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
3490
3491         PR tree-optimization/22043
3492         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3493         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3494         If ALLOW_FLEXARR, handle types ending with flexible array member.
3495         Pass false as second argument to recursive count_type_elements calls.
3496         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3497         argument to count_type_elements call.
3498         * tree-sra.c (decide_block_copy): Likewise.
3499         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3500         for a constant-sized object, set cleared as well.  Pass true as
3501         second argument to count_type_elements call.
3502
3503 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
3504
3505         PR target/21571
3506         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3507         from legitimate_small_data_p, and make global.  Update use.
3508         Remove forward declaration.
3509         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3510         Declare.
3511         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3512
3513 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
3514
3515         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3516         of scratch intermediates.
3517         (eq<mode>_compare): Same.
3518         (neg_eq0<mode>): New.
3519         (neg_eq<mode>): Convert to define_insn_and_split.
3520
3521 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
3522
3523         PR target/23070
3524         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3525         stdarg functions, set/clear the fp marker even when no variable
3526         args are passed.
3527         * config/rs6000/sysv4.opt (mprototype): Describe.
3528
3529 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
3530
3531         PR rtl-optimization/23478
3532         * regs.h (reg_info): Add throw_calls_crossed.
3533         (REG_N_THROWING_CALLS_CROSSED): Define.
3534         * flow.c (allocate_reg_life_data): Initialize
3535         REG_N_THROWING_CALLS_CROSSED.
3536         (propagate_one_insn, attempt_auto_inc): Update
3537         REG_N_THROWING_CALLS_CROSSED.
3538         * global.c (global_alloc): Don't allocate pseudos across
3539         calls that may throw.
3540
3541 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
3542
3543         PR c/18715
3544         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3545         value is inbetween the range if we did not find an exact match.
3546
3547 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
3548
3549         * doc/invoke.texi (Option Summary): Add ms1 options.
3550         * doc/extend.texi: Document interrupt handler attribute for ms1.
3551         * doc/md.texi: Document ms1 constraints.
3552         * config.gcc: Add ms1-*-elf.
3553         * config/ms1/ms1.h: New.
3554         * config/ms1/ms1.c: New.
3555         * config/ms1/ms1.md: New.
3556         * config/ms1/ms1-protos.h: New.
3557         * config/ms1/ABI.txt: New.
3558         * config/ms1/crti.asm: New.
3559         * config/ms1/crtn.asm: New.
3560         * config/ms1/lib2extra-funcs.c: New.
3561         * config/ms1/t-ms1: New.
3562         * config/ms1/ms1.opt: New.
3563
3564 2005-08-22 Ira Rosen <irar@il.ibm.com>
3565
3566         * config/rs6000/altivec.md (xorv4sf3): New.
3567         (negv4sf2, neg<mode>2): Likewise.
3568
3569 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
3570
3571         PR target/23485
3572         * config/ia64/ia64.md (divsi3): Check divide by zero.
3573         (udivsi3): Likewise.
3574         (divdi3): Likewise.
3575         (udivdi3): Likewise.
3576
3577 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
3578
3579         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3580         up to elem_bitsize bits, not max_bitsize.
3581
3582 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
3583
3584         PR tree-optimization/23433
3585         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3586         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3587
3588 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
3589
3590         PR tree-optimization/23434
3591         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3592         the iteration bound is not an INTEGER_CST.
3593
3594 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
3595
3596         * tree-vect-transform.c (get_initial_def_for_reduction): Set
3597         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3598         NULL if need_epilog_adjust is false.
3599         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3600         Case 3 always peels first itration, not just for PLUS case, and no need
3601         to use scalar_initial_def here. Create an epilog adjustment only if
3602         scalar_initial_def is not NULL.
3603
3604         (vectorizable_reduction): Remove assert.
3605
3606 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
3607
3608         PR target/23485
3609         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3610         (__moddi3): Likewise.
3611         (__udivdi3): Likewise.
3612         (__umoddi3): Likewise.
3613         (__divsi3): Likewise.
3614         (__modsi3): Likewise.
3615         (__udivsi3): Likewise.
3616         (__umodsi3): Likewise.
3617
3618 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
3619
3620         * tree-pass.h (TDF_GRAPH): Define.
3621         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3622         * passes.c (finish_optimization_passes): Only call
3623         finish_graph_dump_file if TDF_GRAPH is set.
3624         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3625         NULL.  Set TDF_GRAPH bit.
3626         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3627
3628 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
3629
3630         * arm.h (arm_stack_offsets): Add locals_base field.
3631         * arm.c (arm_get_frame_offsets): Compute it.
3632         (thumb_compute_initial_elimination offset): Make the Thumb frame
3633         pointer point to the base of the local variables.
3634         (thumb_expand_prologue): Update accordingly.
3635         (thumb_expand_epilogue): Likewise.
3636
3637         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
3638         mode of clobbered scratch to DImode.  Handle a case that's known to
3639         need this.
3640
3641 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
3642
3643         * config/rs6000/rs6000.md (gt0<mode>): Delete.
3644         (gt0<mode>_compare): Delete.
3645         (neg_gt0<mode>): Delete.
3646
3647 2005-08-19  Eric Christopher  <echristo@apple.com>
3648
3649         * optabs.h: Change CTI_ to COI_.
3650         * optabs.c: Ditto.
3651
3652 2005-08-19  James E Wilson  <wilson@specifix.com>
3653
3654         * builtins.c (expand_builtin_return_addr): Set
3655         current_function_accesses_prior_frames when count != 0.  Use
3656         frame_pointer_rtx when count == 0.
3657         * function.h (struct function): Add accesses_prior_frames field.
3658         (current_function_accesses_prior_frames): Define.
3659         * reload1.c (init_elim_table): Check
3660         current_function_accesses_prior_frames.
3661         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3662
3663 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
3664
3665         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3666         indicator.  Return true if the flowgraph changed during
3667         cleanup.
3668
3669 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
3670
3671         PR 23476
3672         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3673         conditional expression before testing its value.
3674
3675 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
3676
3677         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3678
3679 2005-08-19  Devang Patel  <dpatel@apple.com>
3680
3681         PR tree-optimization/23048
3682         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3683         third parameter. Check whether latch is dominated by exit
3684         block or not.
3685         (if_convertible_loop_p): Supply exit block itself to
3686         if_convertible_bb_p.
3687
3688 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
3689
3690         PR target/23473
3691         * arm.md (arm_load_pic_register): Change argument to the mask of
3692         saved registers.  Call thumb_find_work_register if we need a
3693         scratch register on Thumb.
3694         (arm_expand_prologue): Pass empty register set to
3695         arm_load_pic_register.
3696         (thumb_expand_prologue): Pass live_regs_mask directly to
3697         arm_load_pic_register.
3698         * arm-protos.h (arm_load_pic_register): Update prototype.
3699
3700 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
3701
3702         * sh.c (find_sole_member): New function.
3703         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3704         if the record's alignment is larger than the size of its only member.
3705
3706 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
3707
3708         PR target/23436
3709         * arm.c (thumb_legitimize_reload_address): New function.
3710         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3711         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3712
3713 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
3714
3715         * config/crx/crx.c: Implement crx_decompose_address. Reject
3716         symbolic displacements since CRX register relative adressing
3717         mode can't handle unsigned 32-bit values as displacements.
3718         * config/crx/crx.h: Simplify definitions, remove redundant
3719         parenthesis and obsolete macros.
3720         * config/crx/crx.opt: Add new switch for debugging addresses.
3721         * config/crx/crx-protos.h: Add new declarations for above.
3722
3723 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
3724
3725         PR middle-end/20624
3726         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3727         looking past it.
3728
3729 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3730
3731         * collect2.c (dup2): Delete.
3732         * configure.ac: Don't check for dup2.
3733
3734         * config.in, configure: Regenerate.
3735
3736 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
3737
3738         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3739         record with the type of its only member.
3740
3741 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
3742
3743         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3744         define_insn_and_split.
3745         (plus_ltu<mode>_compare): Same.
3746         (gtu<mode>_compare): Same.
3747         (plus_gtu<mode>_compare): Same.
3748
3749 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
3750
3751         PR tree-optimization/22228
3752         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3753         todo_flags_start.
3754         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3755         are recorded in vect_vnames_to_rename for renaming.
3756         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3757         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3758         in vect_vnames_to_rename.
3759         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3760         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3761
3762 2005-08-18  Jan Hubicka  <jh@suse.cz>
3763
3764         PR c++/22034
3765         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3766         info only for local statics, not for member variables.
3767
3768 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3769
3770         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3771
3772 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3773
3774         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3775
3776 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
3777
3778         PR middle-end/16045
3779         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3780
3781 2005-08-17  James E Wilson  <wilson@specifix.com>
3782
3783         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3784         array size check.
3785
3786 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
3787
3788         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3789         (leu<mode>_compare): Same.
3790         (plus_leu<mode>): Same.
3791         (neg_leu<mode>): Same.
3792         (and_neg_leu<mode): Same.
3793         (ltu<mode>_compare): Same.
3794         (plus_ltu<mode>): Same.
3795         (geu<mode>): Same.
3796         (geu<mode>_compare): Same.
3797         (plus_geu<mode>): Same.
3798         (neg_geu<mode>): Same.
3799         (and_neg_geu<mode>): Same.
3800         (plus_gt<mode>): Same.
3801         (gtu<mode>_compare): Same.
3802         (plus_gtu<mode>): Same.
3803
3804 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
3805
3806         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3807         Move call_table_data to end.  Delete spurious .text.
3808         (callt_save_all_interrupt): Fix comment typo.
3809
3810 2005-08-17  James E Wilson  <wilson@specifix.com>
3811             Kevin Winchester  <winchester@amirix.com>
3812
3813         PR target/21684
3814         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3815
3816 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
3817
3818         PR target/23268
3819         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3820         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3821
3822 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
3823
3824         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3825         record with the type of its only member if the modes don't match.
3826
3827         * varasm.c (decode_reg_name): Skip empty additional register names.
3828
3829 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
3830
3831         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3832         lsm_tmp_name_length): New.
3833         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3834         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3835
3836 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3837             Andreas Krebbel  <krebbel1@de.ibm.com>
3838
3839         * config.gcc: Added z9-109 switch.
3840         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3841         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3842         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3843         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3844         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3845         for "z9_109" cpu attribute.
3846         * config/s390/s390.c (z9_109_cost): New processor cost structure.
3847         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3848         (s390_handle_arch_option): Added z9-109 switch.
3849         (override_options): Set respective cost function for z9-109.
3850         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3851         (legitimate_reload_constant_p): Accept extended immediates.
3852         (print_operand): Three new output modifiers added: k, m and o.
3853         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3854         (s390_output_mi_thunk): Use extended immediate when possible.
3855         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3856         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3857         (CONSTRAINT_LEN): Added length of O constraint.
3858         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3859         * config/s390/s390.md ("cpu"): New value z9_109 added.
3860         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3861         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3862         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3863         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3864         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3865         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3866         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3867         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3868         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3869         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3870         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3871         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3872         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3873         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3874         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3875         immediates.
3876         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3877         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3878         insns for TARGET_EXTIMM.
3879
3880 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3881
3882         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3883
3884 2005-08-17  Nick Clifton  <nickc@redhat.com>
3885
3886         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3887         Call default_encode_section_info.
3888
3889 2005-08-17  Steven Bosscher  <stevenb@suse.de>
3890
3891         PR tree-optimization/21574
3892         * tree-ssa-ccp.c (likely_value): If the right hand side is a
3893         constant, return CONSTANT.
3894         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3895         (ccp_fold, visit_assignment): Likewise.
3896         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3897
3898 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
3899
3900         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3901         fold_buildN instead of buildN then fold_initializer or fold.
3902         (build_unary_op): Likewise.
3903         (build_binary_op): Likewise.
3904         * fold-const.c (fold_initializer): Remove.
3905         (fold_build1_initializer): New function.
3906         (fold_build2_initializer): New function.
3907         (fold_build3_initializer): New function.
3908         * tree.h (fold_initializer): Remove.
3909         (fold_build1_initializer): New function.
3910         (fold_build2_initializer): New function.
3911         (fold_build3_initializer): New function.
3912
3913 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
3914
3915         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3916         (try_move_mult_to_index): Call fold_build2 instead of build2.
3917         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3918         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3919         fold_binary_to_constant.
3920         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3921         fold (build.
3922         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3923         check if A == gcd (A, B).  Remove TYPE argument.
3924         (analyze_offset) Use fold_build2 instead of fold (build.
3925         (create_data_ref): Likewise.
3926         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3927         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3928         then fold.
3929
3930 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
3931
3932         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3933         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3934
3935 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
3936
3937         PR tree-opt/23402
3938         * gimplify.c (zero_sized_type): New function.
3939         (gimplify_modify_expr_rhs): If we have a zero sized type,
3940         replace the statement with an empty statement.
3941
3942 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
3943
3944         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3945         fxsave.
3946
3947 2005-08-16  Ian Lance Taylor  <ian@airs.com>
3948
3949         * doc/tm.texi (Label Output): Correct typo.
3950
3951 2005-08-16  Steven Bosscher  <stevenb@suse.de>
3952
3953         PR target/23376
3954         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3955         force_operand will work later on using have_insn_for.
3956
3957 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3958
3959         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3960
3961 2005-08-16  Ian Lance Taylor  <ian@airs.com>
3962
3963         PR c++/23337
3964         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3965         vector type, don't try to construct it element by element.  Add an
3966         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3967
3968 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3969
3970         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3971
3972 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
3973
3974         * doc/invoke.texi (Precompiled Headers): Document some more options
3975         which are known to be safe.
3976
3977 2005-08-16  James E Wilson  <wilson@specifix.com>
3978
3979         PR tree-optimization/21105
3980         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3981         TREE_OVERFLOW check.
3982
3983 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
3984
3985         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3986         (neg_ltu<mode>): Same.
3987         (gtu<mode>): Same.
3988         (neg_gtu<mode>): Same.
3989
3990 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3991
3992         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3993         (fold_builtin_isdigit): Use fold_buildN.
3994         (build_function_call_expr): Likewise.
3995         * c-typeck.c (c_finish_loop): Likewise.
3996
3997 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
3998             Richard Shann <rshann@superh.com>
3999
4000         PR middle-end/20396:
4001         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4002
4003 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
4004
4005         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4006
4007 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
4008
4009         PR target/23355
4010         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4011         arm_compure_save_reg0_reg12_mask to determine when the PIC register
4012         must be saved.
4013
4014 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4015
4016         PR middle-end/23369
4017         * fold-const.c (build_range_check): Disable optimization for function
4018         pointer expressions on targets that require function pointer
4019         canonicalization.
4020
4021 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
4022
4023         * simplify-rtx.c (simplify_const_relational_operation): When
4024         extracting arguments of a COMPARE, recompute the mode as well.
4025
4026 2005-08-15  Ian Lance Taylor  <ian@airs.com>
4027
4028         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4029
4030 2005-08-15  DJ Delorie  <dj@redhat.com>
4031
4032         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4033         the stack.
4034         (movsi_splittable): Allow, but split, moves to the stack.
4035         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4036         stack.
4037
4038 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4039
4040         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4041         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4042         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4043
4044         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4045         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4046         Delete HOST_PTR_PRINTF.
4047
4048         * configure, config.in: Regenerate.
4049
4050 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
4051
4052         * config/rs6000/rs6000.md (QHSI): New mode macro.
4053         (wd): Extend mode attr for QImode and HImode
4054         (dbits): New mode attr.
4055         (zero_extend<mode>di2): Convert to mode macro.
4056
4057 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
4058
4059         PR target/21841
4060         * doc/invoke.texi (-mgnu-ld): Update description.
4061         (-mhp-ld): Ditto.
4062
4063 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
4064
4065         PR 23391
4066         * Makefile.in (tree-chrec.o): Depends on real.h.
4067         * tree-chrec.c: Include real.h.
4068         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4069         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4070         * tree-scalar-evolution.c (add_to_evolution_1,
4071         interpret_rhs_modify_expr): Ditto.
4072
4073 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
4074
4075         PR 23386
4076         * tree-data-ref.c (estimate_niter_from_size_of_data): When
4077         step is negative compute the estimation from init downwards to zero.
4078
4079 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
4080
4081         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4082
4083 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
4084
4085         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4086         constraint.
4087         (legitimate_reload_constant_p): Fix handling of lliXX operands.
4088         Accept double-word constants that can be split.
4089         * config/s390/s390.md ("movti"): Use 'P' constraint.
4090         ("*movdi_31", "*movdf_31"): Likewise.
4091
4092 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
4093
4094         Fix PR tree-optimization/22615
4095
4096         * tree-ssa-structalias.c (solution_set_add): Handle
4097         first_vi_for_offset returning NULL.
4098         (do_da_constraint): Ditto.
4099         (do_sd_constraint): Ditto.
4100         (do_ds_constraint): Ditto
4101         (find_func_aliases): Ditto.
4102         (build_constraint_graph): RHS is allowed be ANYTHING.
4103         (first_vi_for_offset): Return NULL if we couldn't find anything at
4104         the offset.
4105
4106 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
4107
4108         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4109         over memory as first operand.
4110
4111 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
4112
4113         PR target/23360
4114         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4115         available for setting it.
4116
4117 2005-08-14  Ira Rosen  <irar@il.ibm.com>
4118
4119         PR tree-optimization/23320
4120         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4121         data-refs' types instead of base object nullness. Add check for
4122         pointer type data-refs before first location comparison. Remove
4123         assert.
4124
4125 2005-08-14  Andreas Schwab  <schwab@suse.de>
4126
4127         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4128
4129 2005-08-13  James E Wilson  <wilson@specifix.com>
4130
4131         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4132         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4133         -fstack-protector-all, --param ssp-buffer-size): Document.
4134         (-Wvariadic-macros): Alphabetize.
4135         (-fsched-stalled-insns-dep): Add missing 'f'.
4136
4137         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4138         macros.
4139
4140 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
4141
4142         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4143         or indirect address operand.
4144         (EXTRA_ADDRESS_CONSTRAINT): New.
4145         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4146
4147 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
4148
4149         PR tree-optimization/22236
4150         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4151         successors and predecessors.
4152         * tree-chrec.c (chrec_convert): Before converting, check that
4153         sequences don't wrap.
4154         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4155         (analyze_array): Extern.
4156         (find_data_references_in_loop): Remove call to
4157         compute_estimated_nb_iterations.
4158         * tree-data-ref.h (analyze_array): Declared.
4159         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4160         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4161         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4162         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4163         condition.
4164         * tree-ssa-loop-ivcanon.c: Fix documentation.
4165         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4166         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4167         (infer_loop_bounds_from_undefined): New.
4168         (estimate_numbers_of_iterations_loop): Use
4169         infer_loop_bounds_from_undefined.
4170         (used_in_pointer_arithmetic_p): New.
4171         (scev_probably_wraps_p): Pass an extra parameter.  Call
4172         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
4173         (convert_step): Fix documentation.
4174         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4175         Use initial_condition_in_loop_num and evolution_part_in_loop_num
4176         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
4177         scev_probably_wraps_p.
4178
4179 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
4180
4181         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4182         (s390_register_info): Ignore clobbered_regs information for fixed
4183         registers, and only fixed registers.
4184         (s390_init_frame_layout): Remove redundant call.
4185
4186 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
4187
4188         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4189         description of -Wold-style-casts.
4190
4191 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4192             Jakub Jelinek  <jakub@redhat.com>
4193
4194         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4195         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4196         * config/s390/s390.c (print_operand): New output modifier 'G' added.
4197         (get_thread_pointer): Renamed to s390_get_thread_pointer.
4198         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4199         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4200         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4201         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4202         ("stack_protect_set", "stack_protect_test"): New expanders.
4203         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4204         "stack_protect_testdi"): New insn definitions.
4205
4206 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4207
4208         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4209
4210 2005-08-12  Paul Brook  <paul@codesourcery.com>
4211
4212         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4213
4214 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4215
4216         * config/s390/predicates.md (setmem_operand): New predicate.
4217         (shift_count_operand): Accept ANDs with special constants as
4218         operand.
4219         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4220         with special constants.
4221         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4222         shift_count_operand with setmem_operand.
4223
4224 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4225
4226         * config/s390/s390.c (s390_extract_part, s390_single_part):
4227         Type cast added.
4228         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4229         (s390_output_mi_thunk): Don't use lg on 31 bit.
4230         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4231         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4232
4233 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4234
4235         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4236         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4237         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4238         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4239         with one of the new macros.
4240
4241 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4242
4243         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4244         Don't set save_return_addr_p.
4245         (s390_register_info): Make clobbered_regs not depending on
4246         save_return_addr_p.
4247
4248 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4249
4250         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4251         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4252
4253 2005-08-11  James E. Wilson  <wilson@specifix.com>
4254
4255         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4256
4257 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
4258
4259         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4260         locations gathered by var-tracking in single entry loc_list
4261         over loc_descriptor_from_tree.
4262
4263         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4264         pass it down to loc_descriptor.
4265         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4266         (containing_function_has_frame_base): Move earlier in the file.
4267         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4268         instead of always assuming fbreg can't be used.
4269
4270 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
4271
4272         * config/rs6000/altivec.md: Change constraint "m" to "Z".
4273         * config/rs6000/predicates.md (indexed_or_indirect_operand):
4274         Accept address wrapped in AND for Altivec.
4275         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4276         Strip AND wrapping offset address for Altivec.
4277
4278 2005-08-11  Richard Henderson  <rth@redhat.com>
4279
4280         PR middle-end/23312
4281         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4282         before using TYPE_IS_SIZETYPE.
4283
4284 2005-08-11  Richard Henderson  <rth@redhat.com>
4285
4286         PR target/22225
4287         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4288         insn types not present on ev4.
4289         (alphaev5_insn_pipe): Similarly.
4290
4291 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4292
4293         PR target/23250
4294         * arm.c (arm_override_options): If the user has selected callee-super-
4295         interworking, then enable normal interworking.
4296
4297 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4298
4299         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4300         redefinition.
4301
4302 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
4303
4304         * doc/rtl.texi: Fix two typos.
4305
4306 2005-08-11  Richard Guenther  <rguenther@suse.de>
4307
4308         PR target/23289
4309         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4310         cases where we call to/from functions returning void.
4311
4312 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
4313
4314         PR c++/23225
4315         * tree.c (build_pointer_type_for_mode): Robustify.
4316
4317 2005-08-10  James E Wilson  <wilson@specifix.com>
4318
4319         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4320         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4321
4322         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4323         "cum->".
4324
4325 2005-08-10  Eric Christopher  <echristo@apple.com>
4326
4327         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4328         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4329         V2DFmode.
4330
4331 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
4332
4333         PR target/21887
4334         * config/darwin.c (machopic_indirect_data_reference): Use a new register
4335         for the high part when generating dynamic-no-pic code.
4336
4337 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
4338
4339         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4340         (x86_64-*-linux*): Likewise.
4341
4342         * config/i386/crtfastmath.c: New file.
4343         * config/i386/t-crtfm: Likewise.
4344
4345         * config/i386/linux.h (ENDFILE_SPEC): New.
4346         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4347
4348         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4349         crtfastmath.o.
4350
4351 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
4352
4353         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4354         (vec_shl, vec_shr): Document new operations.
4355         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4356
4357 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
4358
4359         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4360         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4361         change predicate to indexed_or_indirect_address.
4362
4363 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
4364
4365         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4366         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4367         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4368         and __aeabi_uwrite8.
4369         * config/arm/unaligned-funcs.c: New file.
4370         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4371
4372 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
4373
4374         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4375         Add dump.
4376         * cfglayout.c (pass_insn_locators_initialize): Add dump.
4377         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4378         Add dump.
4379         * except.c (pass_convert_to_eh_region_ranges): Add dump.
4380         * final.c (pass_shorten_branches): Add dump.
4381         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4382         (pass_life): Rename dump.
4383         (rest_of_handle_flow2): Remove initial verify_flow_info.
4384         * function.c (pass_instantiate_virtual_regs): Add dump.
4385         * integrate.c (pass_initial_value_sets): Add dump.
4386         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4387         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4388         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4389         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4390         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4391         gate_rtl_unrool_and_peel_loops): New.
4392         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4393         rtl_doloop): Do not look at flags.
4394         * mode-switching.c (pass_mode_switching): Add dump.
4395         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4396         pass_split_before_regstack): Add dump.
4397         * regmove.c (pass_stack_adjustments): Add dump.
4398         * tree-optimize.c (pass_fixup_cfg): Add dump.
4399
4400 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4401
4402         PR 23309
4403         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4404         deciding which instruction sequence to use.
4405
4406 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
4407
4408         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4409         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4410
4411 2005-08-09  Richard Guenther  <rguenther@suse.de>
4412
4413         * c-common.c (builtin_function_2): Remove.
4414         (def_builtin_1): New function.
4415         (c_common_nodes_and_builtins): Use def_builtin_1 to
4416         build builtin functions.
4417
4418 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
4419
4420         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4421         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4422         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4423         Visual DSP.
4424
4425 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
4426
4427         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4428         fold_binary instead of fold_build2 since we don't care about the
4429         resulting tree.
4430         (loop_niter_by_eval): Likewise.
4431         (compare_trees): Likewise.
4432         (proved_non_wrapping_p): Likewise.
4433
4434 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
4435
4436         PR c/23161
4437         PR c/23165
4438         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4439         if the if is really empty.
4440
4441 2005-08-09  Steven Bosscher  <stevenb@suse.de>
4442
4443         PR tree-optimization/23234
4444         * tree-ssa-math-opts.c (place_reciprocal): New enum.
4445         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4446         argument of the new enum.
4447         (execute_cse_reciprocals): Add reciprocals for function arguments
4448         on the unique successor edge of the entry block.  Update other calls
4449         to execute_cse_reciprocals_1.
4450
4451 2005-08-08  Richard Henderson  <rth@redhat.com>
4452
4453         PR 22439
4454         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4455
4456 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
4457
4458         * expr.c (write_complex_part): Return after handling MEM.
4459
4460 2005-08-08  Josh Conner  <jconner@apple.com>
4461
4462         PR rtl-optimization/23241
4463         * combine.c (simplify_comparison): Fix error in determining
4464         whether to lift a subreg from comparison.
4465
4466 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
4467
4468         PR target/18506
4469         * config/rs6000/altivec.md (vec_init<mode>): New.
4470         (vec_set<mode>): New.
4471         (vec_extract<mode>): New.
4472         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4473         (rs6000_expand_vector_set): New.
4474         (rs6000_expand_vector_extract): New.
4475         (rs6000_legitimate_offset_address_p): Offset addresses are valid
4476         for Altivec modes before reload.
4477         (altivec_expand_vec_init_builtin): New.
4478         (get_element_number): New.
4479         (altivec_expand_vec_set_builtin): New.
4480         (altivec_expand_vec_ext_builtin): New.
4481         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4482         builtins.
4483         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4484         builtins.
4485         * config/rs6000/rs6000.h (rs6000_builtins): Add
4486         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4487         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4488         * config/rs6000/rs6000-protos.h: Declare new functions.
4489
4490 2005-08-08  Jan Hubicka  <jh@suse.cz>
4491
4492         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4493         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4494         * i386.md (movdi*): Use pic_32bit_operand.
4495         * predicates.md (pic_32bit_operand): New.
4496
4497 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
4498
4499         PR c++/21166
4500         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4501
4502 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
4503
4504         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4505         (test_for_singularity): Use fold_build2.
4506
4507 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4508
4509         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4510
4511 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
4512
4513         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4514         (COMMON_ASM_OP) Define.
4515         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4516         (ix86_encode_section_info): Likewise.
4517         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4518         SUBTARGET_ENCODE_SECTION_INFO.
4519
4520 2005-08-06  Richard Henderson  <rth@redhat.com>
4521
4522         PR 21894
4523         * tree-nested.c (convert_local_reference): Save and restore val_only
4524         around component_ref and friends.  Clear walk_subtrees by default.
4525
4526 2005-08-06  Peter O'Gorman  <peter@pogma.com>
4527
4528         PR 21366
4529         * gcc.c (process_command): Check the argument to -b has a dash.
4530         * doc/invoke.texi: Update -b and -V docs.
4531
4532 2005-08-06  James E Wilson  <wilson@specifix.com>
4533
4534         * config/mips/cross64.h, config/mips/t-cross64: Delete.
4535
4536 2005-08-06  Michael Matz  <matz@suse.de>
4537
4538         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4539         member only if only one insn is associated with the value.
4540
4541 2005-08-06  Nick Clifton  <nickc@redhat.com>
4542
4543         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4544         New define.
4545         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4546         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4547         Check symbol flags instead of symbol name mangling.
4548         (xstormy16_asm_output_aligned_common): Likewise.  Also
4549         simplify code since the bss100_section cass is the only case
4550         where the below100 code will be triggered.
4551         (xstormy16_encode_section_info): Encode below100 attribute
4552         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4553         the name.
4554         (xstormy16_strip_name_encoding): Delete - this function is no
4555         longer needed.
4556         (TARGET_STRIP_NAME_ENCODING): Undefine.
4557         * config/stormy16/stormy16-protos.h: Delete prototype for
4558         xstormy16_strip_name_encoding.
4559
4560 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
4561
4562         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4563         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4564         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4565         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4566         config/alpha/predicates.md, config/arc/arc.h,
4567         config/arm/arm.h, config/arm/ieee754-df.S,
4568         config/arm/ieee754-sf.S, config/bfin/bfin.c,
4569         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4570         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4571         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4572         config/m68hc11/m68hc11.h, config/mips/mips.c,
4573         config/mips/mips.h, config/mips/openbsd.h,
4574         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4575         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4576         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4577         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4578         config/sparc/linux.h, config/sparc/linux64.h,
4579         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4580         doc/extend.texi, doc/gcov.texi, doc/install.texi,
4581         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4582         typos.  Follow spelling conventions.
4583
4584 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
4585
4586         PR c/23113
4587         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4588         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4589         specially.  Check for side effects only for COND_EXPR.
4590         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4591         return with TREE_NO_WARNING.
4592
4593 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
4594
4595         PR rtl-optimization/23233
4596         * loop.c (combine_movables): Require the modes to be the same.
4597         (move_movables): Remove handling of cases where the replacement
4598         had a different mode to the original.
4599
4600 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
4601
4602         PR tree-optimization/23128
4603         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4604         subtraction wrap, and set TREE_OVERFLOW if they do.
4605
4606 2005-08-05  Richard Henderson  <rth@redhat.com>
4607
4608         PR 21728
4609         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4610         FORCED_LABEL labels.
4611
4612 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
4613
4614         PR middle-end/23135
4615         * reload.c (find_reloads_subreg_address): Pass down TYPE
4616         unchanged.  Change all callers except find_reloads_toplev.
4617
4618 2005-08-05  Michael Matz  <matz@suse.de>
4619
4620         * genattrtab.c (current_alternative_string): Remove.
4621         (SIMPLIFY_ALTERNATIVE): Ditto.
4622         (attr_alt_bit_p): Ditto.
4623         (alternative_name): Make const char *.
4624         (evaluate_eq_attr): Remove use of above things.
4625         (simplify_test_exp): Ditto.
4626         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4627         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4628
4629 2005-08-04  James E Wilson  <wilson@specifix.com>
4630
4631         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4632         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4633         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4634         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4635         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4636
4637 2005-08-04  Richard Henderson  <rth@redhat.com>
4638
4639         PR 21529
4640         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4641         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4642         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
4643         if we'd have to instantiate too many members.
4644
4645 2005-08-04  Richard Henderson  <rth@redhat.com>
4646
4647         PR 21291
4648         * tree-outof-ssa.c (coalesce_asm_operands): New.
4649         (coalesce_ssa_name): Use it.  Split out ...
4650         (coalesce_phi_operands, coalesce_result_decls): ... these.
4651
4652 2005-08-04  Paul Brook  <paul@codesourcery.com>
4653
4654         * read-rtl.c (read_quoted_string): Break if EOF.
4655
4656 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
4657
4658         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
4659         (fold_build2): Likewise.
4660         (fold_build3): Likewise.
4661         (fold_build1_stat): New function prototype.
4662         (fold_build2_stat): Likewise.
4663         (fold_build3_stat): Likewise.
4664         * fold-const.c (fold_build1): Rename to ..
4665         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
4666         through to build1_stat.
4667         (fold_build2): Rename to ..
4668         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
4669         through to build2_stat.
4670         (fold_build3): Rename to ..
4671         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
4672         through to build3_stat.
4673
4674 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
4675             Ian Lance Taylor  <ian@airs.com>
4676
4677         * function.c (assign_stack_local_1): Do not correct stack slot
4678         address if allocation size is smaller than mode size.
4679
4680 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
4681
4682         PR 22037
4683         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
4684         (tree_merge_blocks): Propagate anything allowed by
4685         may_propagate_copy.
4686         Clarify documentation.
4687         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
4688         SSA form, schedule an update if necessary.
4689
4690 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
4691
4692         * doc/install.texi (Binaries): Remove broken link to
4693         Sinix/Reliant Unix binaries.
4694
4695 2005-08-03  Richard Henderson  <rth@redhat.com>
4696
4697         PR 23221
4698         * function.c (stack_protect_epilogue): Export.
4699         * tree.h (stack_protect_epilogue): Declare.
4700         * calls.c (expand_call): Call it.
4701
4702 2005-08-03  Eric Christopher  <echristo@apple.com>
4703
4704         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4705         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4706         spec.
4707
4708 2005-08-04  Jan Hubicka  <jh@suse.cz>
4709
4710         * profile.c (branch_prob): Split edges with goto locus on them
4711         to get proper line counts.
4712         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
4713
4714 2005-08-03  Paul Brook  <paul@codesourcery.com>
4715
4716         * function.c (assign_parms): Round current_function_args_size
4717         to PARM_BOUNDARY, not STACK_BOUNDARY.
4718
4719 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
4720
4721         * config/i386/i386.c (x86_elf_aligned_common)
4722         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4723
4724 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
4725
4726         PR tree-optimization/23157
4727         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
4728         before emitting them.
4729
4730 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4731
4732         PR tree-optimization/19899
4733         * Makefile.in (tree-scalar-evolution.o): Add real.h.
4734         * tree-scalar-evolution.c: Include real.h.
4735         (add_to_evolution): Build constant -1 of correct type.
4736
4737 2005-08-03  Jan Hubicka  <jh@suse.cz>
4738
4739         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4740         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4741         profile updating for complette unrolling.
4742         * loop-unroll.c (peel_loop_completely): Use it.
4743         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4744         (tree_unroll_loops_completely): Disable code growing unrolling of cold
4745         loops.
4746
4747 2005-08-03  Paul Brook  <paul@codesourcery.com>
4748
4749         * combine.c (can_change_dest_mode): New function.
4750         (try_combine, simplify_set): Use it.
4751
4752 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
4753
4754         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4755         TFmode to BLKmode.
4756
4757 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
4758
4759         * doc/install.texi (Specific): Adjust link to openavr.org.
4760         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4761         (Binaries): Adjust HP-UX Porting Center link.
4762         (Binaries): Adjust Free Software Foundation ordering link.
4763
4764 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
4765
4766         * convert.c (convert_to_integer): Use fold_build1 instead of
4767         build1 when converting an integer to an integer.
4768
4769 2005-08-02  Richard Henderson  <rth@redhat.com>
4770
4771         * combine.c (combine_instructions): Don't use reg_equal/equiv
4772         results if the mode doesn't match.
4773
4774 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
4775
4776         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4777         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4778
4779 2005-08-02  Richard Henderson  <rth@redhat.com>
4780
4781         PR 23196
4782         * explow.c (memory_address): Remove special-case for
4783         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4784
4785 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
4786
4787         PR 23164
4788         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4789         number of calls to cleanup_tree_cfg_1.
4790
4791 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
4792
4793         * doc/invoke.texi: document file extensions .F90 and .F95
4794
4795 2005-08-02  Richard Guenther  <rguenther@suse.de>
4796
4797         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4798         positive if its first argument is positive.
4799
4800 2005-08-02  Richard Guenther  <rguenther@suse.de>
4801
4802         PR tree-optimization/23177
4803         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4804         on TMR_TAG.
4805
4806 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
4807
4808         PR tree-optimization/23129
4809         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4810         varying for divisions with anti-ranges.
4811
4812 2005-08-02  Jan Hubicka  <jh@suse.cz>
4813
4814         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4815         * tree-ssa-threadupdate.c (thread_block): Add it here.
4816
4817 2005-08-01  James E Wilson  <wilson@specifix.com>
4818
4819         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4820         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4821         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4822         New.
4823         * config/mips/predicates.md (const_call_insn_operand): Add check for
4824         SYMBOL_REF_LONG_CALL_P.
4825         * doc/extend.texi (long_call): Document the new attribute.
4826
4827 2005-08-01  Ian Lance Taylor  <ian@airs.com>
4828             Richard Henderson  <rth@redhat.com>
4829
4830         * Makefile.in (RTL_BASE_H): Add real.h.
4831         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4832         instead of memcpy.
4833         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4834         directly.
4835         * rtl.c (rtl_check_failed_code_mode): New.
4836         * rtl.h (struct rtx_def): Add u.rv.
4837         (XCMWINT, XCNMPRV): New.
4838         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4839         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4840
4841 2005-08-01  Richard Henderson  <rth@redhat.com>
4842
4843         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4844         with auto-inc codes.
4845
4846         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4847
4848 2005-08-01  Jan Hubicka  <jh@suse.cz>
4849
4850         * i386-protos.h (asm_preferred_eh_data_format): Declare.
4851         * i386.c: Include dwarf2.h
4852         (asm_preferred_eh_data_format): New.
4853         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4854
4855 2005-08-01  Ian Lance Taylor  <ian@airs.com>
4856
4857         * config/host-linux.c (linux_gt_pch_get_address): Add new name
4858         randomize_va_space for virtual address randomization control.
4859
4860 2005-08-01  Steven Bosscher  <stevenb@suse.de>
4861
4862         * common.opt (flag_ipa_cp): Put in right place to maintain
4863         alphabetic sort.
4864
4865 2005-08-01  Jan Hubicka  <jh@suse.cz>
4866
4867         * profile.c (compute_value_histograms): Fix thinko.
4868         * value-prof.c: Include toplev.h
4869         (check_counter): New function.
4870         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4871         tree_mod_subtract_transform): Add sanity check.
4872
4873 2005-08-01  Richard Guenther  <rguenther@suse.de>
4874
4875         PR tree-optimization/23133
4876         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4877         current functions parameter decls to find defs to cse
4878         reciprocals of.
4879
4880 2005-08-01  Richard Guenther  <rguenther@suse.de>
4881
4882         PR tree-optimization/23109
4883         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4884         If trapping math is in effect, use post-dominator information
4885         to check if we'd in any case reach a trapping point before
4886         doing the reciprocal insertion.
4887         (execute_cse_reciprocals): Compute post-dominators, if necessary.
4888         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4889         expressions are invariant only if trapping math is not in effect.
4890
4891 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
4892
4893         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4894         cgraph_function_versioning): New declarations.
4895         * cgraphunit.c: Add include to ipa-prop.h.
4896         (update_call_expr, cgraph_copy_node_for_versioning,
4897         cgraph_function_versioning): New functions.
4898         * integrate.c (copy_decl_for_inlining): Remove.
4899         * ipa-prop.h (ipa_replace_map): New struct.
4900         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4901         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4902         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4903         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4904         ipcp_iterate_stage, ipcp_method_scale_print,
4905         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4906         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4907         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4908         ipcp_update_bb_counts, ipcp_update_profiling,
4909         ipcp_update_edges_counts): New functions.
4910         (ipcp_method_cval_init): Remove restriction regarding local methods.
4911         (ipcp_init_stage): Add ipcp_method_compute_scale.
4912         (ipcp_insert_stage): Add versioning.
4913         (ipcp_structures_print): Add ipcp_method_scale_print.
4914         (ipcp_driver): Dump profiling info.
4915         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4916         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4917         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4918         (struct inline_data): Add versioning_p, ipa_info, new fields.
4919         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4920         declare_return_variable): Replace calls to copy_decl_for_inlining with
4921         copy_decl_for_dup.
4922         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4923         versioning support.
4924         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4925         Add argument VERSIONING.
4926         (copy_arguments_for_versioning, copy_static_chain,
4927         function_versionable_p, tree_versionable_function_p,
4928         tree_function_versioning, replace_ref_tree): New functions.
4929         * tree-inline.h: Include varray.h.
4930         (tree_versionable_function_p,  tree_function_versioning,
4931         tree copy_decl_for_dup): New declarations.
4932
4933 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
4934
4935         * ipa-cp.c: New file. Contains IPCP specific functionality.
4936         * ipa-prop.h: New file. Contains structures/definitions that can be
4937         used by several interprocedural data flow optimizations (and also IPCP).
4938         * ipa-prop.c: New file.
4939         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4940         * common.opt: Add ipa-cp flag.
4941         * timevar.def: Add IPCP optimization.
4942         * tree-optimize.c (init_tree_optimization_passes): Schedule
4943         pass_ipa_cp.
4944         * tree-pass.h (pass_ipa_cp): Declare.
4945
4946 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
4947
4948         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4949         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4950         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4951         config/i386/i386.c, config/mips/mips.h,
4952         config/rs6000/rs6000.h, config/sh/sh.c,
4953         config/stormy16/stormy16.c: Fix comment typos.
4954
4955 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
4956
4957         PR c/22311
4958         * c-typeck.c (build_binary_op): Use common_type wrapper on
4959         shortened types.
4960         (common_type): Update comment.
4961
4962 2005-07-31  Steven Bosscher  <stevenb@suse.de>
4963
4964         PR target/23095
4965         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4966         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4967         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4968
4969 2005-07-31  Jan Hubicka  <jh@suse.cz>
4970
4971         * pretty-print.h (pp_widest_integer): New macro.
4972         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4973         counts.
4974
4975 2005-07-31  Jan Hubicka  <jh@suse.cz>
4976
4977         * output.h (enum section_category): Export from varasm.c
4978         (categorize_decl_for_section): Likewise.
4979         * varasm.c (enum section_category): Kill.
4980         (categorize_decl_for_section): Make global.
4981         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4982         Declare.
4983         * i386.c (ix86_section_threshold): New static variable.
4984         (ix86_in_large_data_p, ix86_encode_section_info,
4985         x86_64_elf_unique_section,
4986         x86_64_elf_select_section): New functions.
4987         (TARGET_ENCODE_SECTION_INFO): Define
4988         (override_options): Enable medium model for PIC.
4989         (ix86_expand_prologue): Expand gen_set_got_rex64.
4990         (legitimate_constant_p): Handle new UNSPECs.
4991         (legitimate_pic_address_disp_p): Likewise.
4992         (legitimize_pic_address): Lower MEDIUM model addressing.
4993         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4994         (enum cmodel): Add MEDIUM_PIC.
4995         (SYMBOL_REF_FAR_ADDR_P): New macro.
4996         (SYMBOL_FLAG_FAR_ADDR): New flag.
4997         * i386.md (movdi): Support medium model.
4998         (set_got_rex64): New pattern.
4999         * i386.opt (mlarge-data-threshold): New flag.
5000         * predicates.md (zext_operand/sext_operand): Deal with medium model.
5001         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5002         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5003         TARGET_ASM_UNIQUE_SECTION): New.
5004
5005         * invoke.texi (-mlarge_data_threshold): Document
5006
5007 2005-07-31  Jan Hubicka  <jh@suse.cz>
5008
5009         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5010         (coalesce_vars): Likewise.
5011         * tree-ssa-live.c (coalesce_cost): New.
5012         (build_tree_conflict_graph): Use coalesce_cost.
5013         * tree-ssa-live.h (coalesce_cost): Declare.
5014
5015 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5016
5017         * arm.md (all peepholes for post-increment operations): Delete.
5018         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5019         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5020         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5021         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5022         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5023
5024 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
5025
5026         * fold-const.c (tree_expr_nonnegative_p): Always return true for
5027         non-integral types.
5028
5029 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
5030
5031         PR target/22582
5032         * doc/invoke.texi: Document -rdynamic.
5033
5034 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
5035
5036         PR c/23143
5037         * c-parser.c (c_parser_parms_list_declarator): Call
5038         mark_forward_parm_decls.
5039         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5040         decls with visibility structure.
5041
5042 2005-07-30  Paul Brook  <paul@codesourcery.com>
5043
5044         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5045
5046 2005-07-30  Paul Brook  <paul@codesourcery.com>
5047
5048         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5049         prototype.
5050         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5051         value for mode.
5052         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5053
5054 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5055
5056         PR c/529
5057         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5058         nested function declarators.
5059         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5060         (grokparms): Call warn_if_shadowing for parameters used within the
5061         parameter list.
5062         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5063         not used within the parameter list.
5064         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5065
5066 2005-07-30  Jan Hubicka  <jh@suse.cz>
5067
5068         * expr.c (expand_expr_real_1): Do not load mem targets into register.
5069         * i386.c (ix86_fixup_binary_operands): Likewise.
5070         (ix86_expand_unary_operator): Likewise.
5071         (ix86_expand_fp_absneg_operator): Likewise.
5072         * optabs.c (expand_vec_cond_expr): Validate dest.
5073
5074 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5075
5076         PR c/21720
5077         * real.c (real_from_string): Also set last bit if there is a
5078         nonzero hex digit beyond GCC's internal precision after ".".
5079
5080 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
5081
5082         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5083         define_constants.  Change duplicate values to unassigned numbers.
5084         Change UNSPEC_SUBS to UNSPEC_VSUBS.
5085         (*altivec_vspltsf): New.
5086         (altivec_vperm_v4sf): Delete.
5087         (altivec_vperm_<mode>): Use mode macro V.
5088         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5089         (altivec_predicate_v4sf): Delete.
5090         (altivec_predicate_<mode>): Use mode macro V.
5091         (*altivec_lvesfx): New.
5092         (*altivec_stvesfx): New.
5093         (vec_realign_load_v4sf): Delete.
5094         (vec_realign_load_<mode>): Use mode macro V.
5095         * config/rs6000/rs6000.c (generate_set_vrsave): Use
5096         UNSPECV_SET_VRSAVE.
5097
5098 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
5099
5100         PR bootstrap/23131
5101         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5102         string.
5103         * configure: Regenerated.
5104
5105 2005-07-29  Paul Brook  <paul@codesourcery.com>
5106
5107         * doc/install.texi: Add link to GFortran binaries wiki page.
5108
5109 2005-07-29  David Ung  <davidu@mips.com>
5110
5111         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5112         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5113         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5114         * config/mips/mips.md (cpu): Add 5kf name.
5115         (includes): Includes 5k.md.
5116         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5117         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5118         -march flag.
5119
5120 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
5121
5122         PR 22550
5123         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5124         (cleanup_tree_cfg): ... here.
5125         Call cleanup_tree_cfg_1 until there are no more cleanups to
5126         do.
5127
5128 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
5129
5130         * tree-vrp.c (compare_range_with_value): Return true or false
5131         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5132         EQ_EXPR respectively.
5133
5134 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
5135
5136         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5137         Fix comment typos.
5138
5139 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
5140
5141         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5142         (tree_ssa_dominator_optimize): Increment it.
5143         (dump_dominator_optimization_stats): Print it.
5144
5145 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
5146             Steven Bosscher  <stevenb@suse.de>
5147
5148         PR rtl-optimization/23117
5149         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5150         when head == tail.  Tidy comment.
5151
5152 2005-07-28  Richard Henderson  <rth@redhat.com>
5153
5154         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5155         * cselib.c (rtx_equal_for_cselib_p): Likewise.
5156         * jump.c (rtx_renumbered_equal_p): Likewise.
5157         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5158         CONST_INT and CONST_DOUBLE.
5159         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5160         * reload.c (operands_match_p): Special case CONST_INT and
5161         CONST_DOUBLE; check mode earlier.
5162
5163 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5164
5165         PR c/22240
5166         * c-typeck.c (convert_for_assignment): Do not check
5167         DECL_IN_SYSTEM_HEADER on NULL fundecl.
5168
5169 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5170
5171         PR c/22192
5172         * c-typeck.c (composite_type): Prefer constant size arrays to
5173         VLAs.
5174
5175 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5176
5177         PR c/21720
5178         * real.c (real_from_string): Set last bit if there is a nonzero
5179         hex digit beyond GCC's internal precision.
5180
5181 2005-07-28  Richard Henderson  <rth@redhat.com>
5182
5183         PR rtl-opt/22619
5184         * cfgcleanup.c (try_forward_edges): Watch out for end of
5185         insn chain.
5186
5187 2005-07-28  James E Wilson  <wilson@specifixinc.com>
5188
5189         PR c/23106
5190         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5191
5192 2005-07-28  Jan Hubicka  <jh@suse.cz>
5193
5194         * Makefile.in (rtl-profile.o): Kill all traces of it.
5195         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5196         * coverage.h (rtl_coverage_counter_ref): Kill.
5197         * opts.c (flag_speculative_prefetching_set): Kill.
5198         (flag_loop_optimize_set): New.
5199         (common_handle_option): Disable loop optimizer when profiling;
5200         do not handle speculative prefetching.
5201         * passes.c (init_optimization_passes): Replace pass_profiling combo
5202         by branch_prob pass.
5203         * profile.c (compute_value_histograms): Update for simplified value
5204         profiles.
5205         (rtl_register_profile_hooks): Kill.
5206         (pass_profiling): Kill.
5207         (rest_of_handle_branch_prob): Do not profile.
5208         * toplev.c (process_options): Remove speculative prefetching.
5209         * toplev.h (flag_tree_based_profiling): Kill.
5210         * tree-profile.c (prepare_instrumented_value,
5211         tree_gen_interval_profiler, tree_gen_pow2_profiler,
5212         tree_gen_one_value_profiler, do_tree_profiling): Update for
5213         simplified datastructures.
5214         * value-prof.c: Add comment that speculative prefetching was dropped;
5215         update rest of file for simplified datastructures.
5216         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5217         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5218         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5219         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5220         rtl_mod_subtract, gen_speculative_prefetch,
5221         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5222         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5223         (gate_handle_value_profile_transformations,
5224         rest_of_handle_value_profile_transformations,
5225         pass_value_profile_transformations): Kill.
5226         * value-prof.h (histogram_value_t): Remove IL based unions.
5227         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5228         rtl_profile_hooks): Remove hooks.
5229
5230         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5231
5232         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5233         (cgraph_clone_node): Likewise.
5234         * cgraph.h (cgraph_clone_edge): Update prototype.
5235         (cgraph_clone_node): Likewise.
5236         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5237         cgraph_clone_node.
5238         (lookup_recursive_calls): Consider profile.
5239         (cgraph_decide_recursive_inlining): Fix updating; use new
5240         probability argument; use profile.
5241         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5242         * tree-inline.c (copy_bb): Update clal of clone_edge.
5243         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5244
5245         * invoke.texi (min-inline-recursive-probability): Document.
5246
5247 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
5248
5249         * doc/install.texi (Configuration): Update Valgrind homepage.
5250
5251 2005-07-28  Richard Henderson  <rth@redhat.com>
5252
5253         PR middle-end/21362
5254         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5255         labels we want to delete.
5256         (cfg_layout_merge_blocks): Likewise.
5257
5258 2005-07-28  Richard Henderson  <rth@redhat.com>
5259
5260         PR target/17692
5261         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5262         when expanding to nothing.
5263
5264 2005-07-28  Josh Conner  <jconner@apple.com>
5265
5266         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5267         (cgraph_decide_inlining_of_small_functions): Likewise.
5268
5269 2005-07-28  Josh Conner  <jconner@apple.com>
5270
5271         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
5272         direction of badness if negative.
5273         (cgraph_default_inline_p): Add reason to parameters, and assign it
5274         a value.
5275         (cgraph_decide_inlining_of_small_functions): New parameter in call
5276         to cgraph_default_inline_p.
5277         (cgraph_decide_inlining_incrementally): Likewise.
5278         * cgraphunit.c (decide_is_function_needed): Likewise.
5279         * cgraph.h (cgraph_default_inline_p): Likewise.
5280
5281 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5282
5283         * builtins.c: Fix comment typo(s).
5284         * genautomata.c: Likewise.
5285         * gimplify.c: Likewise.
5286         * tree-dfa.c: Likewise.
5287         * tree-flow-inline.h: Likewise.
5288         * tree-into-ssa.c: Likewise.
5289         * tree-ssa-alias.c: Likewise.
5290         * tree-ssa-ccp.c: Likewise.
5291         * tree-ssa-copy.c: Likewise.
5292         * tree-ssa-dce.c: Likewise.
5293         * tree-ssa-dom.c: Likewise.
5294         * tree-ssa-operands.c: Likewise.
5295         * tree-tailcall.c: Likewise.
5296         * tree-vectorizer.c: Likewise.
5297         * tree-vrp.c: Likewise.
5298         * tree.c: Likewise.
5299
5300 2005-07-28  Jeff Law  <law@redhat.com>
5301
5302         * tree-vrp.c (test_for_singularity): Extracted from  ...
5303         (simplify_cond_using_ranges): Attempt to simplify a relational
5304         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
5305
5306 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
5307
5308         PR tree-optimization/22506
5309         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5310         phis whose argument is constant.
5311
5312 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
5313
5314         PR rtl-optimization/18992
5315         Back out this patch:
5316           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5317           PR optimization/12142
5318           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5319           uses of the register in the SET_SRC.  Remove unnecessary argument.
5320
5321         Replace it with this:
5322         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5323         if flag_non_call_exceptions is set and the insn may trap, pass
5324         pc_rtx as dest for recursion.
5325         In SET_SRC part of SET case, if dest is already set, pass it down
5326         unchanged.
5327
5328 2005-07-28  Jan Hubicka  <jh@suse.cz>
5329
5330         * cfg.c (update_bb_profile_for_threading): Use RDIV.
5331         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5332         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5333         roundoff errors.
5334         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5335         profile when available.
5336
5337 2005-07-28  Jan Beulich <jbeulich@novell.com>
5338
5339         * config/ia64/ia64.c (ia64_load_pair_ok): New.
5340         (ia64_print_operand): Describe and handle 'X'.
5341         (ia64_register_move_cost): Also handle FP_REGS.
5342         (ia64_preferred_reload_class): Likewise.
5343         (ia64_secondary_reload_class): Likewise.
5344         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5345         it. Also check for ITANIUM_CLASS_FLDP.
5346         * config/ia64/ia64.h (FP_REGNO_P): New.
5347         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5348         (reg_class): Add FP_REGS.
5349         (REG_CLASS_NAMES): Adjust for it.
5350         (REG_CLASS_CONTENTS): Likewise.
5351         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5352         (REG_CLASS_FROM_LETTER): Handle 'x'.
5353         (CLASS_MAX_NREGS): Handle FP_REGS.
5354         (MEMORY_MOVE_COST): Likewise.
5355         * config/ia64/ia64.md (itanium_class): Add fldp.
5356         (type): Handle fldp.
5357         (movti_internal): More allowable operand combinations. Use ldfp8 when
5358         splitting unnecessary. Remove predicable attribute. Adjust
5359         itanium_class attribute.
5360         (smuldi3_highpart): Remove outdated comment.
5361         (mulditi3, umulditi3, rotlti3): New expanders.
5362         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5363         (absti2): Disabled new insn for future reference.
5364         Respective new splitters.
5365         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5366         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5367         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5368
5369 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
5370
5371         PR rtl-optimization/23047
5372         * simplify-rtx.c (simplify_const_relational_operation): Respect
5373         flag_wrapv for comparisons with ABS.
5374
5375 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
5376
5377         PR tree-optimization/22493
5378         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5379         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5380
5381 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
5382
5383         * config/frv/frv.opt (moptimize-membar): New.
5384
5385         * doc/invoke.texi: Document -moptimize-membar and its inverse.
5386
5387         * config/frv/frv.h: Remove machine_function definition.
5388
5389         * config/frv/frv.c (struct frv_io): New.
5390         (struct machine_function): Moved from frv.h.  Add has_membar_p.
5391         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5392         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5393         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5394         (frv_optimize_membar_global, frv_optimize_membar): New functions.
5395         (frv_reorg): Call frv_optimize_membar when appropriate.
5396         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5397         (frv_expand_builtin): Adjust calls accordingly.
5398         (frv_io_address_cookie): New function.
5399         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5400         load or store rather than a special insn.  Add ccnstant address and
5401         io-type operands to the membar.
5402         (frv_ifcvt_modify_tests): Unsign regno.
5403         (frv_ifcvt_modify_tests): Same.
5404
5405         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
5406         UNSPEC_OPTIONAL_MEMBAR constant.
5407         (builtin_read_<mode>): Delete.
5408         (builtin_write_<mode>): Delete.
5409         ("optional_membar_<mode>"): Add operand.
5410
5411         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5412         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5413         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5414         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5415         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5416         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5417         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5418         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5419         * testsuite/gcc.target/frv/all-read-write-1.c: New.
5420
5421 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5422
5423         * df.c (df_uses_record): Handle SCRATCH.
5424
5425 2005-07-28  Steven Bosscher  <stevenb@suse.de>
5426
5427         PR debug/20161
5428         * passes.c (rest_of_decl_compilation): If decl is a type and
5429         we have encountered errors, don't emit debug information.
5430
5431 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
5432
5433         * params.def: Fixed comment.
5434
5435 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
5436
5437         PR target/19885
5438         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5439         (TARGET_ASM_UNALIGNED_HI_OP): Add.
5440         (TARGET_ASM_UNALIGNED_SI_OP): Add.
5441
5442 2005-07-27  Steven Bosscher  <stevenb@suse.de>
5443
5444         PR c++/22003
5445         * varasm.c (assemble_start_function): Don't do anything that may
5446         require a CFG if the current function is a thunk.
5447
5448 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
5449
5450         * doc/install.texi (Prerequisites): Mention that perl is needed
5451         to do export control in libstdc++ targetting Darwin.
5452
5453 2005-07-27  Steven Bosscher  <stevenb@suse.de>
5454
5455         PR rtl-optimization/17808
5456         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5457         (sched_insns_conditions_mutex_p): Split out from...
5458         (add_dependence): ...here.  But don't call it from here.
5459         (add_dependence_list): Check sched_insns_conditions_mutex_p
5460         before calling add_dependence.
5461         (add_dependence_list_and_free): Likewise.
5462         (fixup_sched_groups): Likewise.
5463         (sched_analyze_1): Likewise.
5464         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5465         (sched_analyze): Likewise.
5466         (sched_analyze_insn): Likewise.
5467         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5468         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
5469         dependencies on all COND_EXEC insns to jumps ending basic blocks
5470         when doing intrablock scheduling.
5471         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5472
5473 2005-07-27  Jeff Law  <law@redhat.com>
5474
5475         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5476         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
5477         equivalency sets, correctly handle the case were vr0 has an
5478         equivalency set, but vr1 does not.
5479
5480 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
5481
5482         PR tree-optimization/23073
5483         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5484         vect_print_dump_info before fprintf.
5485
5486 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5487
5488         PR tree-optimize/22348
5489         * tree-ssa-loop-niter.c (number_of_iterations_cond):
5490         Fold the partial computation.
5491
5492 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5493
5494         PR tree-optimization/22325
5495         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5496         Declare.
5497         * tree-scalar-evolution.c (scev_const_prop): Add generic final
5498         value replacement.
5499         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5500         (force_var_cost): ... this function.
5501         (compute_phi_arg_on_exit): Export.
5502
5503 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5504
5505         PR tree-optimization/20773
5506         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5507         edge.
5508
5509 2005-07-27  Richard Guenther  <rguenther@suse.de>
5510
5511         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5512         Avoid pushing again if current struct contains only
5513         fields we decomposed.
5514
5515 2005-07-27  Jan Hubicka  <jh@suse.cz>
5516
5517         PR tree-optimization/22574
5518         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5519         not available.
5520
5521         * tree-tailcall.c (decrease_profile): New function.
5522         (eliminate_tail_call): Use it.
5523
5524         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5525         visibility flags correctly in whole program mode.
5526
5527 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
5528
5529         PR rtl-optimization/22472
5530         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5531
5532 2005-07-26  Steven Bosscher  <stevenb@suse.de>
5533
5534         PR tree-optimization/22504
5535         * tree-complex.c (expand_complex_addition): Use 'code' instead
5536         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5537
5538 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
5539
5540         * config.gcc (cpu_type): Add frv case.
5541         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5542         (supported_defaults): Add fr550 case.
5543
5544 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
5545
5546         PR 22591
5547         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5548         whether a pointer of type T * may point to objects of type T *.
5549
5550 2005-07-26  DJ Delorie  <dj@redhat.com>
5551
5552         * configure: Regenerate.
5553
5554 2005-07-26  Dale Johannesen  <dalej@apple.com>
5555
5556         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
5557
5558 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
5559
5560         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5561         Clarify use of "build" in name.
5562
5563 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
5564
5565         * doc/extend.texi (Raw read/write Functions): New section.
5566         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5567         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5568         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5569         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5570         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5571         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5572         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5573         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5574         * config/frv/frv.c: Add bdesc_loads global.
5575         Add bdesc_stores global.
5576         (frv_init_builtins): Add support for __builtin_{read/write}*.
5577         (frv_volatile_memref): New.
5578         (frv_expand_load_builtin): New.
5579         (frv_expand_store_builtin): New.
5580         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5581         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5582         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5583         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5584         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5585         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5586         (builtin_read_<mode>): New.
5587         (builtin_write_<mode>): New.
5588         (builtin_write64): New.
5589         (optional_membar_<mode>): New.
5590
5591 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
5592
5593         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5594         (rather than units) against HOST_BITS_PER_WIDE_INT.
5595
5596 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
5597
5598         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5599         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5600         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5601         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5602         FSF address.
5603
5604         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5605         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5606         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5607         comment typos.
5608         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5609
5610 2005-07-26  Richard Guenther  <rguenther@suse.de>
5611
5612         PR tree-optimization/22486
5613         * fold-const.c (fold_unary): Fold away useless component
5614         references of the form (T *)&T.x, if the address
5615         doesn't change.
5616
5617 2005-07-25  James E Wilson  <wilson@specifixinc.com>
5618
5619         * dwarf2out.c (add_call_src_coords_attributes): New.
5620         (gen_inlined_subroutine_die): Call it.
5621         (maybe_emit_file, init_file_table): Add comments.
5622         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5623         maybe_emit_file.
5624         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5625         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5626         * tree.h (BLOCK_SOURCE_LOCATION): New.
5627         (struct tree_block): New field locus.
5628
5629 2005-07-26  Andreas Schwab  <schwab@suse.de>
5630
5631         PR rtl-optimization/23043
5632         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5633         when allocating a struct unoccr.
5634
5635 2005-07-25  Richard Henderson  <rth@redhat.com>
5636
5637         PR 22626
5638         * tree-complex.c (gate_no_optimization): True if errors.
5639         * Makefile.in (tree-complex.o): Update dependencies.
5640
5641 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
5642
5643         * config/frv/predicates.md (integer_register_operand): Use
5644         GPR_AP_OR_PSEUDO_P.
5645
5646 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
5647
5648         PR tree-opt/22484
5649         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
5650         after fold.
5651         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
5652
5653 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
5654
5655         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
5656         types when flag_unsafe_math_optimizations is true.
5657
5658 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
5659
5660         * gcc.c (option_map): Add --sysroot.
5661         (process_command): Handle --sysroot.
5662         (display_help): Document it.
5663         * doc/cppopts.tex (-isysroot): Document.
5664         * doc/invoke.texi (--sysroot): Document.
5665         * doc/install.texi (--with-build-sysroot): Document.
5666
5667         * Makefile.in (inhibit_libc): New variable.
5668         (INHIBIT_LIBC_CFLAGS): Likewise.
5669         (LIBGCC2_CFLAGS): Include
5670         $(INHIBIT_LIBC_CFLAGS).
5671         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
5672         ($(T)crtbegin.o): Do not use @inhibit_libc@.
5673         ($(T)crtend.o): Likewise.
5674         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
5675         ($(T)crtendS.o): Likewise.
5676         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
5677         ($(T)crtendT.o): Likewise.
5678         (stmp-fixinc): Do not complain about missing headers if
5679         inhibit_libc.
5680         * configure.ac (inhibit_libc): Set it to true/false.
5681         (--with-build-sysroot): New option.  Use it to set
5682         SYSTEM_HEADER_DIR.
5683         * configure: Regenerated.
5684
5685 2005-07-25  Manfred Hollstein  <mh@suse.com>
5686
5687         * calls.c (store_one_arg): Fix unsigned comparison warning.
5688
5689 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5690
5691         PR other/22337
5692         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5693         (ggc_print_statistics): Initialize variable before use.
5694
5695 2005-07-25  Richard Guenther  <rguenther@suse.de>
5696
5697         * tree-dfa.c (mark_new_vars_to_rename): Protect against
5698         calling with a PHI_NODE argument.
5699
5700         * tree-flow-inline.h (overlap_subvar): Protect against
5701         possible overflow.
5702
5703 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
5704
5705         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5706         * configure: Regenerate.
5707
5708 2005-07-25  Ira Rosen  <irar@il.ibm.com>
5709
5710         * expr.c (highest_pow2_factor): Make extern.
5711         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
5712         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5713         record_array_differ_p, array_ptr_differ_p): Likewise.
5714         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5715         additional cases. Call the above functions.
5716         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5717         base_object_differ_p when there are two base objects. Otherwise, compare
5718         base address and offset. Call may_alias_p.
5719         (dump_data_reference): Use a correct field name.
5720         (analyze_array): Make static. Initialize new data-ref fields.
5721         (analyze_indirect_ref): New function.
5722         (init_data_ref): Initialize new data-ref fields.
5723         (strip_conversion): Moved from tree-vect-analyze.c.
5724         (analyze_offset_expr, get_ptr_offset, address_analysis,
5725         object_analysis): Likewise.
5726         (analyze_offset): New function.
5727         (create_data_ref): Likewise.
5728         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
5729         dimensions for ARRAY_REFs only.
5730         (build_classic_dist_vector): Make static.
5731         (access_functions_are_affine_or_constant_p): Call macro to get the
5732         address of access functions.
5733         (compute_all_dependences): Add new parameter
5734         compute_self_and_read_read_dependences. Compute self and read-read
5735         dependences if it is true.
5736         (find_data_references_in_loop): Call create_data_ref. Initialize new
5737         data-ref fields.
5738         (compute_data_dependences_for_loop): Add new parameter
5739         compute_self_and_read_read_dependences. Remove parameter nb_loops,
5740         compute nb_loops. Call compute_all_dependences,
5741         build_classic_dist_vector and build_classic_dir_vector with correct
5742         parameters.
5743         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5744         with correct parameters. Compare dimensions for ARRAY_REFs only.
5745         (free_data_refs): Call macro to free access functions.
5746         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5747         fields from stmt_vinfo.
5748         (struct base_object_info): New structure.
5749         (struct data_reference): Move fields to base_object_info. Add fields
5750         first_location and object_info for above structures. Move fields from
5751         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5752         aligned_to.  Add macros to access the new fields.
5753         Update functions declarations.
5754         * tree-flow.h (is_aliased_with): Declare.
5755         * tree-loop-linear.c (linear_transform_loops): Call
5756         compute_data_dependences_for_loop with correct parameters.
5757         * tree-ssa-alias.c (is_aliased_with): New function.
5758         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5759         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5760         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5761         vect_base_addr_differ_p, compute_subscript_distance and
5762         build_classic_dist_vector. Add printings. Check absolute value of
5763         distance.
5764         (vect_analyze_data_ref_dependences): Go through ddrs instead of
5765         data-refs.
5766         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5767         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5768         to bytes. Add printing.
5769         (vect_compute_data_refs_alignment): Go through loads and stores in one
5770         loop.
5771         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5772         vect_analyze_data_ref_access): Likewise.
5773         (vect_analyze_pointer_ref_access): Remove.
5774         (vect_address_analysis, vect_object_analysis): Likewise.
5775         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5776         and analyze data-refs in the loop.
5777         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5778         fields of data-ref instead of stmt. Add init to the offset from the
5779         base.
5780         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5781         (vect_update_init_of_dr): Likewise.
5782         (vect_update_inits_of_drs): Go through loads and stores in one loop.
5783         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5784         removed fields.
5785         (new_loop_vec_info): Initialize new fields.
5786         (destroy_loop_vec_info): Free new fields.
5787         (vect_strip_conversion): Remove.
5788         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5789         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5790         datarefs. Add new field ddrs.
5791         Add macros for the new fields access.
5792         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5793         base_aligned_p, misalignment, memtag, ptr_info and subvars.
5794         Remove their macros.
5795         * tree.h (highest_pow2_factor): Declare.
5796
5797 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
5798
5799         * calls.c (store_one_arg): Check for sibling call MEM arguments
5800         from already clobbered incoming argument area.
5801
5802 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5803
5804         * c-common.c (check_missing_format_attribute): New.
5805         * c-common.h (check_missing_format_attribute): Likewise.
5806         * c-typeck.c (convert_for_assignment): Use it.
5807
5808 2005-07-24  Andreas Schwab  <schwab@suse.de>
5809
5810         * config/m68k/m68k.md ("extendqidi2"): When source is an address
5811         register use a word move.  Correct operand of ext.w in 68000 code.
5812
5813 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
5814
5815         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5816         variables as declarations, rather than definitions.
5817
5818 2005-07-24  Ira Rosen  <irar@il.ibm.com>
5819
5820         PR tree-optimization/22526
5821         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5822         of the zero node.
5823
5824 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5825
5826         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5827         that C99 reserve for future use. Use it to define clog10,
5828         clog10f and clog10l.
5829
5830 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5831
5832         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5833         * configure.ac: Check for -Wmissing-format-attribute.
5834
5835         * configure: Regenerate.
5836
5837 2005-07-23  Richard Henderson  <rth@redhat.com>
5838
5839         PR tree-optimization/22623
5840         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5841
5842 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
5843
5844         PR target/22577
5845         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5846
5847 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5848
5849         * Makefile.in (C_TREE_H): Update dependencies.
5850         * c-tree.h: Include toplev.h.
5851         * diagnostic.h (diagnostic_set_info): Add format attribute.
5852         * rtl-error.c (diagnostic_for_asm): Likewise.
5853
5854 2005-07-23  Chao-ying Fu  <fu@mips.com>
5855
5856         * config/mips/mips-dsp.md: New file.
5857         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5858         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5859         functions.
5860         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5861         MIPS_BUILTIN_BPOSGE32.
5862         (mips_expand_builtin_direct): Add one parameter to indicate that
5863         builtin functions need to return a value.
5864         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5865         functions.
5866         (mips_regno_to_class): Add classes for 12 new DSP registers.
5867         (mips_subword): Change to check four HI registers.
5868         (mips_output_move): Output move to and from 6 new DSP accumulators.
5869         (override_options): Make sure -mdsp and -mips16 are not used together.
5870         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
5871         for machine modes.
5872         (mips_conditional_register_usage): Disable 6 new DSP accumulators
5873         when !TARGET_DSP.
5874         (print_operand): Add 'q' for printing DSP accumulators.
5875         (mips_cannot_change_mode_class): Check ACC_REGS.
5876         (mips_secondary_reload_class): Check ACC_REGS.
5877         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5878         (mips_register_move_cost): Check ACC_REGS.
5879         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5880         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5881         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5882         (dsp_bdesc): New array.
5883         (bdesc_arrays): Add DSP builtin function table.
5884         (mips_prepare_builtin_arg): Check predicate again after
5885         copy_to_mode_reg.
5886         (mips_expand_builtin): Add one more parameter to
5887         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5888         MIPS_BUILTIN_BPOSGE32.
5889         (mips_init_builtins): Initialize new function types.
5890         (mips_expand_builtin_direct): Check if builtin functions need to
5891         return a value and pass operands properly.
5892         (mips_expand_builtin_bposge): New function.
5893         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5894         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5895         (FIRST_PSEUDO_REGISTER): Increase to 188.
5896         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5897         Update for 12 new DSP registers.
5898         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5899         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5900         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5901         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5902         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5903         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5904         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5905         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5906         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5907         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5908         (REGISTER_NAMES): Add names for 12 new DSP registers.
5909         * config/mips/mips.md: Include mips-dsp.md.
5910         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5911         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5912         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5913         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5914         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5915         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5916         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5917         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5918         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5919         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5920         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5921         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5922         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5923         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5924         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5925         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5926         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5927         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5928         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5929         (UNSPEC_RDDSP): New constants.
5930         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5931         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
5932         A<-d alternative.
5933         * config/mips/mips.opt (-mdsp): New option.
5934         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5935         (reg_imm10_operand): New predicates.
5936         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5937         * doc/invoke.texi (-mdsp): Document new option.
5938
5939 2005-07-22  DJ Delorie  <dj@redhat.com>
5940
5941         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5942         to warning calls.
5943         * tree-inline.c (inlinable_function_p): Likewise.
5944
5945 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
5946
5947         PR debug/21828
5948         * toplev.c (check_global_declarations): Do not mark undefined
5949         variables as DECL_IGNORED_P.
5950         * varasm.c (first_global_object_name): GTY it.
5951         (weak_global_object_name): Likewise.
5952         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5953         a string to go into {weak,first}_global_object_name.
5954
5955 2005-07-22  DJ Delorie  <dj@redhat.com>
5956
5957         * c-format.c (check_function_format): Change warning control
5958         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5959
5960 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
5961
5962         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5963         &PTR->FLD a dereference of PTR.
5964         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5965         a potential dereference of PTR.
5966
5967 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
5968
5969         PR rtl-optimization/20370
5970         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5971         call allocate_reg_info if necessary.
5972
5973         PR rtl-optimization/21848
5974         * calls.c (emit_library_call_value_1): For const functions, add
5975         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5976
5977         PR rtl-optimization/22445
5978         * cselib.c (target.h): Include.
5979         (rtx_equal_for_cselib_p): Allow commutative matches.
5980         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5981         Remove MODE parameter.  Changed all callers.
5982
5983         PR rtl-optimization/22258
5984         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5985         New functions.
5986         (try_combine): Use likely_spilled_retval_p.
5987
5988 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
5989
5990         * config.gcc: Add crx-elf support.
5991
5992         * doc/contrib.texi: Mention crx.
5993         * doc/extend.texi: Document crx extensions.
5994         * doc/install.texi: Document crx install.
5995         * doc/invoke.texi: Document crx options.
5996         * doc/md.texi: Document crx constraints.
5997
5998         * config/crx/crx-protos.h: New file.
5999         * config/crx/crx.c: New file.
6000         * config/crx/crx.h: New file.
6001         * config/crx/crx.md: New file.
6002         * config/crx/crx.opt: New file.
6003         * config/crx/t-crx: New file.
6004
6005 2005-07-22  Manfred Hollstein  <mh@suse.com>
6006
6007         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6008         warnings.
6009         (int_add_graph_edge): Likewise.
6010         (collapse_nodes): Likewise.
6011         (process_unification_queue): Likewise.
6012
6013 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6014             Laurent GUERBY  <laurent@guerby.net>
6015
6016         PR tree-optimization/22336
6017         * function.c (record_block_change): Check for
6018         cfun->ib_boundaries_block.
6019
6020 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
6021
6022         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6023         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6024
6025 2005-07-21  DJ Delorie  <dj@redhat.com>
6026
6027         * toplev.c (warn_deprecated_use): Add warning control to warning
6028         call.
6029         * c-typeck.c (parser_build_binary_op): Likewise.
6030         (c_finish_if_stmt): Likewise.
6031         * c-common.c (check_function_sentinel): Likewise.
6032         (check_nonnull_arg): Likewise.
6033
6034 2005-07-21  Richard Henderson  <rth@redhat.com>
6035
6036         PR tree-opt/22504
6037         * tree-complex.c (complex_ssa_name_components): New.
6038         (cvc_lookup): Allow entry not found.
6039         (create_components): Remove.
6040         (create_one_component_var, get_component_var): New.
6041         (get_component_ssa_name, set_component_ssa_name): New.
6042         (extract_component): Use get_component_ssa_name.
6043         (update_complex_components): Use set_component_ssa_name.
6044         (update_complex_components_on_edge): Likewise.
6045         (update_phi_components): Create new PHI nodes directly, instead
6046         of adding insns to edges.
6047         (tree_lower_complex): Allocate and free complex_variable_components
6048         and complex_ssa_name_components here.
6049
6050 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
6051
6052         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6053         revert to returning false.
6054
6055 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
6056
6057         PR target/21149
6058         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6059
6060 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
6061
6062         PR target/22576
6063         * config/i386/i386.md (cmpxf): Change operand constraints
6064         to "nonmemory_operand".
6065
6066 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6067
6068         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6069
6070 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6071
6072         PR middle-end/21180
6073         * fold-const.c (fold_build1): Add checksum for the operands.
6074         (fold_build2): Likewise.
6075         (fold_build3): Likewise.
6076
6077 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6078
6079         PR middle-end/19055
6080         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6081
6082 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6083
6084         * common.opt (-fforward-propagate): Committed by mistake,
6085         removed.
6086
6087 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6088
6089         * reg-stack.c: Fix comment typo(s).
6090         * tree-ssa-operands.c: Likewise.
6091         * tree-vectorizer: Likewise.
6092
6093 2005-07-21  Nick Clifton  <nickc@redhat.com>
6094
6095         * config/sh/symbian.c: Replace C++ style line comments with C
6096         style line comments.
6097         (symbian_add_attribute): Do not use a ? operator on the LHS of
6098         an assignment.
6099         (sh_symbian_handle_dll_attribute): Change the type of the
6100         method vector to "VEC(tree,gc)*" and use vector accessor
6101         macros to walk over the elements.
6102         (symbian_export_vtable_and_rtti_p): Likewise.
6103         (symbian_class_needs_attribute_p): Likewise.
6104
6105 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6106
6107         PR target/22085
6108         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6109         initialize targetm.resolve_overloaded_builtin here.
6110         (altivec_expand_overloaded_builtin): Make it non-static.
6111         * config/rs6000/rs6000-protos.h
6112         (altivec_expand_overloaded_builtin): New prototype.
6113         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6114         targetm.resolve_overloaded_builtin here.
6115         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6116
6117 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6118             Zdenek Dvorak  <dvorakz@suse.cz>
6119
6120         PR tree-optimization/19210
6121         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6122         New.
6123         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6124         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6125         rely on unproven assumptions.
6126         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6127         * tree-flow.h (number_of_iterations_exit): Add final parameter.
6128         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6129         to number_of_iterations_exit.
6130         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6131         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6132         * tree-ssa-loop-niter.c (find_loop_niter,
6133         estimate_numbers_of_iterations_loop): Likewise.
6134         (number_of_iterations_exit): Honor the new options.
6135         * doc/invoke.texi (Wunsafe-loop-optimizations,
6136         funsafe-loop-optimizations): Document them.
6137
6138 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
6139
6140         PR rtl-optimization/22167
6141         * gcse.c (hoist_code): Fix hoist_exprs[] check.
6142
6143 2005-07-20  Adam Nemet  <anemet@lnxw.com>
6144
6145         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6146         __do_global_dtors_aux longcall.
6147
6148 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
6149
6150         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6151         (old_special_pred_table): Don't reference
6152         SPECIAL_MODE_PREDICATES.
6153         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6154         * config/arc/arc.h: Don't mention PREDICATE_CODES.
6155         * config/sh/predicates.h: Don't mention
6156         SPECIAL_MODE_PREDICATES.
6157         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6158         Remove.
6159
6160 2005-07-20  DJ Delorie  <dj@redhat.com>
6161
6162         * config.gcc: Add m32c-elf support.
6163
6164         * doc/contrib.texi: Mention m32c.
6165         * doc/extend.texi: Document m32c extensions.
6166         * doc/install.texi: Mention m32c.
6167         * doc/invoke.texi: Document m32c options.
6168         * doc/md.texi: Document m32c constraints.
6169
6170         * config/m32c/addsub.md: New file.
6171         * config/m32c/bitops.md: New file.
6172         * config/m32c/cond.md: New file.
6173         * config/m32c/jump.md: New file.
6174         * config/m32c/m32c-lib1.S: New file.
6175         * config/m32c/m32c-lib2.c: New file.
6176         * config/m32c/m32c-modes.def: New file.
6177         * config/m32c/m32c-pragma.c: New file.
6178         * config/m32c/m32c-protos.h: New file.
6179         * config/m32c/m32c.abi: New file.
6180         * config/m32c/m32c.c: New file.
6181         * config/m32c/m32c.h: New file.
6182         * config/m32c/m32c.md: New file.
6183         * config/m32c/m32c.opt: New file.
6184         * config/m32c/minmax.md: New file.
6185         * config/m32c/mov.md: New file.
6186         * config/m32c/muldiv.md: New file.
6187         * config/m32c/predicates.md: New file.
6188         * config/m32c/prologue.md: New file.
6189         * config/m32c/shift.md: New file.
6190         * config/m32c/t-m32c: New file.
6191
6192 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6193
6194         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6195         (stack_protect_set, stack_protect_test): New expanders.
6196         (stack_protect_set_si, stack_protect_set_si_media,
6197         stack_protect_set_di_media, stack_protect_test_si,
6198         stack_protect_test_si_media, stack_protect_test_di_media):
6199         New insns.
6200
6201 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
6202
6203         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6204
6205 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
6206
6207         * tree.h (tree_expr_nonzero_p): Export.
6208         * fold-const.c (tree_expr_nonzero_p): Likewise.
6209         Return true for CALL_EXPRs that are alloca calls.
6210         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6211         against zero.
6212         * tree-flow.h (expr_computes_nonzero): Remove.
6213         * tree-vrp.c (expr_computes_nonzero): Remove.
6214         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6215         (extract_range_from_unary_expr): Likewise.
6216         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6217         tree_expr_nonzero_p.
6218
6219 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
6220
6221         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6222         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
6223         extra arg "picreg" and use it instead of pic_offset_table_rtx.
6224         All callers changed.
6225         (frame_related_constant_load): New arg "related" which controls
6226         setting of RTX_FRAME_RELATED_P.  All callers changed.
6227         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6228         (bfin_expand_prologue): Add stack limit checking.
6229         * config/bfin/bfin.md (trapifcc): New pattern.
6230
6231         * config/bfin/bfin.c: Include "langhooks.h".
6232         (def_builtin): Go through lang_hooks to call builtin_function.
6233
6234         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6235         * config/bfin/predicates.md (symbol_ref_operand): New.
6236         (call_insn_operand): Delete.  All callers changed to use
6237         register_no_elim_operand.
6238         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6239         call_cookie field.
6240         (function_arg): Use it to generate the call's operand 2.
6241         (bfin_longcall_p): New function.
6242         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
6243         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
6244         determine if the address needs to be in a REG.
6245         (bfin_handle_longcall_attribute): New function.
6246         (bfin_attribute_table): Add "longcall" and "shortcall".
6247         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6248         (CUMULATIVE_ARGS): New member call_cookie.
6249         (PREDICATE_CODES): Add symbol_ref_operand.
6250         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6251         extra USE to the pattern.
6252         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6253         New patterns, split off call_insn, sibcall_insn, call_value_insn and
6254         sibcall_value_insn; now the new patterns handle direct calls and the
6255         old ones indirect calls.
6256         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6257
6258 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
6259
6260         * doc/trouble.texi: Update section on handling of empty loops.
6261
6262 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
6263
6264         * config.gcc: Remove support for sparc-*-openbsd*,
6265         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6266         ns32k-*-netbsd*.
6267         * config.host: Remove support for i860-*-sysv4* as a host.
6268         * config/i860/*, config/ip2k/*, config/ns32k/*,
6269         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6270         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6271         mention obsolete ports.
6272
6273 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6274
6275         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6276         soft frame pointer.
6277         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6278         of frame_pointer_rtx.
6279         (sh_expand_epilogue): Likewise.
6280         (sh_set_return_address): Likewise.
6281         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6282         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
6283         offsets from FRAME_POINTER_REGNUM.
6284         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6285         (sh_register_names): Add initializer for sfp.
6286         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6287         (VALID_REGISTER_P): Likewise.
6288         (FIRST_PSEUDO_REGISTER): Update.
6289         (DWARF_FRAME_REGISTERS): Define.
6290         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6291         (HARD_FRAME_POINTER_REGNUM): Define.
6292         (FRAME_POINTER_REGNUM): Redefine.
6293         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6294         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
6295         from FRAME_POINTER_REGNUM.
6296         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6297         FRAME_POINTER_REGNUM.
6298         (REG_CLASS_CONTENTS): Add sfp.
6299         (REG_ALLOC_ORDER): Likewise.
6300         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
6301         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6302         of frame_pointer_rtx.
6303         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6304
6305 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
6306
6307         * fold-const.c (tree_expr_nonnegative_p): Only return true for
6308         ABS_EXPR when flag_wrapv is false because of INT_MIN.
6309         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6310         of an ABS_EXPR.
6311         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6312         ABS_EXPR<x>.
6313
6314 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
6315
6316         Make CONSTRUCTOR use VEC to store initializers.
6317         * c-common.c (complete_array_type): Update to cope with VEC in
6318         CONSTRUCTOR_ELTS.
6319         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6320         (pp_c_constructor_elts): New function.
6321         * c-pretty-print.h (pp_c_constructor_elts): Declare.
6322         * c-typeck.c (build_function_call, build_c_cast, digest_init,
6323         struct constructor_stack, struct initializer_stack,
6324         constructor_elements, push_init_level, pop_init_level,
6325         add_pending_init, find_init_member, output_init_element): Update to
6326         cope with VEC in CONSTRUCTOR_ELTS.
6327         * coverage.c (build_fn_info_value, build_ctr_info_value,
6328         build_gcov_info): Likewise.
6329         * expr.c (categorize_ctor_elements_1, store_constructor,
6330         expand_expr_real_1): Likewise.
6331         * fold-const.c (fold_ternary): Likewise.
6332         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6333         gimplify_init_constructor, gimplify_expr): Likewise.
6334         * tree-dump.c (dequeue_and_dump): Likewise.
6335         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6336         node.
6337         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6338         CONSTRUCTOR_ELTS.
6339         * tree-sra.c (generate_element_init_1): Likewise.
6340         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6341         * tree-ssa-operands.c (get_expr_operands): Likewise.
6342         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6343         * tree-vect-transform.c (vect_get_vec_def_for_operand):
6344         (get_initial_def_for_reduction): Likewise.
6345         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6346         value handle in annotations.
6347         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6348         tree_node_structure): Add support for constr_kind.
6349         (build_vector_from_ctor, build_constructor_single,
6350         build_constructor_from_list): New functions.
6351         (build_constructor): Update to take a VEC instead of a TREE_LIST.
6352         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6353         Update to cope with VEC in CONSTRUCTOR_ELTS.
6354         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6355         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6356         CONSTRUCTOR_APPEND_ELT): New macros.
6357         (struct constructor_elt, struct tree_constructor): New data types.
6358         (union tree_node): Add tree_constructor field.
6359         * treestruct.def: Define TS_CONSTRUCTOR.
6360         * varasm.c (const_hash_1, compare_constant, copy_constant,
6361         compute_reloc_for_constant, output_addressed_constants,
6362         initializer_constant_valid_p, output_constant,
6363         array_size_for_constructor, output_constructor): Update to cope with
6364         VEC in CONSTRUCTOR_ELTS.
6365         * vec.h (VEC_empty, VEC_copy): New macros.
6366
6367 2005-07-19  Devang Patel  <dpatel@apple.com>
6368
6369         * dbxout.c (dbxout_type): Check Objective-C++ lang.
6370
6371 2005-07-19  Richard Henderson  <rth@redhat.com>
6372
6373         PR tree-opt/22278
6374         * gimplify.c (gimplify_expr): Use main variant type for the temp
6375         destination for a discarded volatile read.
6376         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6377         casts between non-void types that change volatility.
6378
6379 2005-07-15  DJ Delorie  <dj@redhat.com>
6380
6381         * toplev.h: Add comment about the first parameter for warning().
6382         * errors.h: Likewise.
6383
6384         * c.opt (Wpragmas): New.
6385         * doc/invoke.texi: Document it.
6386
6387         * function.c (do_warn_unused_parameter): Add warning control to
6388         warning call.
6389         * c-decl.c (warn_if_shadowing): Likewise.
6390         * c-lex.c (cb_def_pragma): Likewise.
6391         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6392         (pop_alignment): Likewise.
6393         (handle_pragma_pack): Likewise.
6394         (apply_pragma_weak): Likewise.
6395         (handle_pragma_weak): Likewise.
6396         (handle_pragma_redefine_extname): Likewise.
6397         (add_to_renaming_pragma_list): Likewise.
6398         (handle_pragma_extern_prefix): Likewise.
6399         (maybe_apply_renaming_pragma): Likewise.
6400         (handle_pragma_visibility): Likewise.
6401
6402         * config/c4x/c4x-c.c (BAD): Likewise.
6403         (c4x_parse_pragma): Likewise.
6404         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6405         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6406         (rs6000_pragma_longcall): Likewise.
6407         * config/v850/v850-c.c (pop_data_area): Likewise.
6408         (ghs_pragma_section): Likewise.
6409         (ghs_pragma_section): Likewise.
6410         (ghs_pragma_interrupt): Likewise.
6411         (ghs_pragma_starttda): Likewise.
6412         (ghs_pragma_startsda): Likewise.
6413         (ghs_pragma_startzda): Likewise.
6414         (ghs_pragma_endtda): Likewise.
6415         (ghs_pragma_endsda): Likewise.
6416         (ghs_pragma_endzda): Likewise.
6417
6418 2005-07-19  Danny Berlin <dberlin@dberlin.org>
6419             Kenneth Zadeck <zadeck@naturalbridge.com>
6420
6421         * Makefile.in: Removed tree-promote-statics.c
6422         * tree-promote-statics.c: Removed.
6423         * common.opt: Removed flag-promote-statics.
6424         * opts.c: Ditto.
6425         * passes.c: Removed tree-promote-statics pass.
6426         * tree-pass.h: Ditto.
6427         * timevar.def: Removed TV_PROMOTE_STATICS.
6428
6429
6430 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
6431
6432         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6433         and *-*-freebsd9.
6434         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6435
6436 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6437
6438         PR c/22476
6439         * c-common.c (check_function_arguments): Call
6440         'check_function_format' if either -Wformat or
6441         -Wmissing-format-attribute are specified.
6442         * c-format.c (check_function_format): Check -Wformat before
6443         calling 'check_format_info'.
6444         * c-opts.c (c_common_post_options): Don't warn for
6445         -Wmissing-format-attribute without -Wformat.
6446         * c-typeck.c (convert_for_assignment): Detect additional cases for
6447         -Wmissing-format-attribute.
6448         * doc/invoke.texi (-Wmissing-format-attribute): Document new
6449         behavior.
6450
6451 2005-07-19  Richard Guenther  <rguenther@suse.de>
6452
6453         * config/i386/i386.md (lrint<mode>2): Use temporary
6454         instead of clobbering non-existent memory.
6455
6456 2005-07-19  Nick Clifton  <nickc@redhat.com>
6457
6458         * config/avr/avr.c (legitimate_address_p): Fix debugging print
6459         statement to avoid displaying ASCII control characters.
6460
6461 2005-07-19  Ben Elliston  <bje@au.ibm.com>
6462
6463         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6464         * cfganal.c (find_edge_index): Ditto.
6465         * combine.c (combine_instructions): Ditto.
6466         * ddg.c (create_scc): Ditto.
6467         (find_successors): Ditto.
6468         (find_predecessors): Ditto.
6469         (find_nodes_on_paths): Ditto.
6470         (longest_simple_path): Ditto.
6471         * flow.c (update_life_info): Ditto.
6472         (count_or_remove_death_notes): Ditto.
6473         (clear_log_links): Ditto.
6474         * modulo-sched.c (generate_reg_moves): Ditto.
6475         (find_max_asap): Ditto.
6476         (find_max_hv_min_mob): Ditto.
6477         (find_max_dv_min_mob): Ditto.
6478         * sbitmap.c (sbitmap_first_set_bit): Ditto.
6479         * sched-rgn.c (extract_edgelst): Ditto.
6480         * tree-into-ssa.c (prepare_names_to_update): Ditto.
6481         (dump_update_ssa): Ditto.
6482         (ssa_names_to_replace) Ditto.
6483         (switch_virtuals_to_full_rewrite): Ditto.
6484         (update_ssa): Ditto.
6485         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6486
6487 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
6488
6489         Fix PR tree-optimization/22483
6490
6491         * tree-complex.c (create_components): Use
6492         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6493         * tree-flow-inline.h (fill_referenced_var_vec): New function.
6494         * tree-flow.h (safe_referenced_var_iterator): New structure.
6495         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6496         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6497         safe_referenced_var iterator.
6498         (add_type_alias): Ditto.
6499
6500 2005-07-19  Steven Bosscher  <stevenb@suse.de>
6501
6502         * loop-init.c (rest_of_handle_loop2): Remove.
6503         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6504         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6505         (pass_rtl_loop_init, pass_rtl_loop_done,
6506         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6507         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6508         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6509         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6510         pass_tree_loop_done, and pass_tree_unswitch.
6511         (gate_loop): Rename to gate_tree_loop.
6512         * passes.c (init_optimization_passes): Update for renamed tree
6513         loop passes.  Add the new loop2 passes as subpasses of loop2.
6514         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6515         Update for the renamed tree loop passes.
6516
6517 2005-07-18  Ian Lance Taylor  <ian@airs.com>
6518
6519         PR middle-end/22057
6520         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6521         blocks when optimizing.
6522
6523 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
6524
6525         * common.opt (frename-registers): Initialize to 2.
6526         (fweb): Ditto.
6527         (fgcse-after-reload): Ditto.
6528         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6529         (process_options): Only change flag_web, flag_rename_registers,
6530         and flag_rerun_cse_after_loop if not explicitly set by user.
6531
6532 2005-07-18  Jan Beulich  <jbeulich@novell.com>
6533
6534         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6535         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6536         in 64-bit mode the same as DImode in 32-bit mode.
6537         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6538         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6539         mode. Add new mode parameter.
6540         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6541         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6542         x86_64_shift_adj): New expanders.
6543         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6544         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6545         insns.
6546         Respective new splitters. Use renamed shift splitter helpers in 32-bit
6547         DImode shift splitters.
6548         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6549         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6550         mode parameter.
6551
6552 2005-07-18  Jan Beulich  <jbeulich@novell.com>
6553
6554         * i386.md (movdi_extzv_1): New.
6555         (zero_extendhidi2): Combine alternatives and never force use of
6556         REX64 prefix.
6557         (zero_extendqidi2): Likewise. Don't restrict input selection.
6558
6559 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6560
6561         Fix PR tree-optimization/22531
6562         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
6563          moment.
6564
6565 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6566
6567         * tree-promote-statics.c (pass_promote_statics): Change dump file
6568          name.
6569
6570 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6571
6572         * tree-optimize.c (init_tree_optimization_passes): Add
6573         pass_eliminate_useless_stores pass.
6574         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6575         * tree-ssa-pre.c (is_copy_stmt): New function.
6576         (follow_copies_till_vuse): Ditto.
6577         (do_eustores): Ditto.
6578         (gate_eustores): Ditto.
6579
6580 2005-07-16  Richard Henderson  <rth@redhat.com>
6581
6582         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6583
6584 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6585            Kenneth Zadeck <zadeck@naturalbridge.com>
6586
6587         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6588         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6589         ipa-type-escape.h, tree-promote-statics.c
6590         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6591         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6592         tree-promote-statics.c: new files.
6593         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6594         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6595         int nonlocal_set_p, mark_constant_function): Deleted.
6596         (rest_of_handle_cfg): Removed call to mark_constant_function.
6597         (nonoverlapping_component_refs_p): Added calls to support
6598         type based aliasing.
6599         * tree-ssa-alias.c (may_alias_p,
6600         compute_flow_insensitive_aliasing): Ditto.
6601         * calls.c (flags_from_decl_or_type): Removed reference to
6602         cgraph_rtl_info.
6603         * c-typeck.c (convert_arguments): Make builtins tolerant of having
6604         too many arguments.  This is necessary for Spec 2000.
6605         * cgraph.h (const_function, pure_function): Removed.
6606         * common.opt: Added "fipa-pure-const", "fipa-reference",
6607         "fipa-type-escape", and "ftree-promote-static".
6608         * opts.c: Ditto.
6609         * passes.c: Added ipa and tree-promote-statics passes.
6610         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6611         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6612         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6613         * tree-flow.h: Added exposed sra calls and addition of
6614         reference_vars_info field for FUNCTION_DECLS.
6615         * tree-pass.h: Added passes.
6616         * tree-sra.c: (sra_init_cache): New function.
6617         (sra_insert_before, sra_insert_after) Made public.
6618         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6619         and made public.
6620         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6621         aliasing. (may_alias_p): Added code to use type escape analysis to
6622         improve alias sets.
6623         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6624         code to prune clobbers of static variables based on information
6625         produced in ipa-reference pass.  Changed call clobbering so that
6626         statics are not marked as clobbered if the call does not clobber
6627         them.
6628
6629 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
6630
6631         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6632         too.
6633
6634 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
6635
6636         * doc/install.texi (*-*-solaris2*): Document recommended version
6637         of GNU binutils and mention GNU linker problem on Solaris 10.
6638
6639 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
6640
6641         PR c/22421
6642         * c-decl.c (c_build_bitfield_integer_type): New function.
6643         (finish_struct): Call it.
6644         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
6645
6646 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6647
6648         * c-typeck.c (digest_init): Call 'convert_for_assignment'
6649         before returning.
6650
6651 2005-07-16  Jan Hubicka  <jh@suse.cz>
6652
6653         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
6654         (scale_bbs_frequencies_int): Watch roundoff errors.
6655         * predict.c (return_prediction): Initialize return_stmt.
6656
6657 2005-07-16  Jan Hubicka  <jh@suse.cz>
6658
6659         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
6660         after RTL profiling.
6661
6662 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
6663
6664         PR middle-end/22398
6665         * fold-const.c (build_range_check): Convert high/low to etype
6666         if we are only comparing against exp.
6667
6668 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
6669
6670         Fix PR tree-optimization/22376
6671         * tree-ssa-structalias.c (build_constraint_graph): We really meant
6672         special var here.
6673         (need_to_solve): New function.
6674         (compute_points_to_sets): Use it.
6675
6676 2005-07-15  Jan Hubicka  <jh@suse.cz>
6677
6678         * cfg.c (update_bb_profile_for_threading): More diagnostic.
6679         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
6680
6681 2005-07-15  Richard Guenther  <rguenther@suse.de>
6682
6683         * c-common.c (handle_flatten_attribute): New function.
6684         Add flatten function attribute.
6685         * doc/extend.texi: Document flatten function attribute.
6686         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
6687         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
6688         New functions.
6689         (cgraph_decide_inlining): Handle functions with flatten
6690         attribute.
6691
6692 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
6693
6694         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6695         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6696         UNSPEC_XCHG, UNSPEC_AND): New.
6697         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6698         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6699         * config/rs6000/sync.md (FETCHOP): New code macro.
6700         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6701         New code attrs.
6702         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6703         (sync_compare_and_swap<mode>): Same.
6704         (sync_lock_test_and_set<mode>): Same.
6705         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6706         for QImode and HImode, and not PPC405.
6707         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6708         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6709         (sync_<fetchop>{si,di}_internal): New.
6710         (sync_nand{si,di}_internal): New.
6711         (sync_old_<fetchop>{si,di}_internal): New.
6712         (sync_old_nand{si,di}_internal): New
6713         (sync_new_<fetchop>{si,di}_internal): New.
6714         (sync_new_nand{si,di}_internal): New.
6715         (atomic_and{si,di}): New.
6716         (sync_new_nand{si,di}_internal): New.
6717         (atomic_and{si,di}): New.
6718         (sync_add<mode>_internal): Delete.
6719         (sync_addshort_internal): Use unspec instead of unspec_volatile.
6720         (sync_sub<mode>_internal): Delte.
6721         (sync_subshort_internal): New.
6722         (sync_andsi_internal): Use unspec instead of unspec_volatile.
6723         (sync_anddi_internal): Delete.
6724         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6725         (sync_booldi_internal): Delete.
6726         (sync_boolc<mode>_internal): Delete.
6727         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
6728         (sync_boolc<mode>_internal2): Delete.
6729         (sync_boolcc<mode>_internal): Delete.
6730         (isync, lwsync): Use unspec instead of unspec_volatile.
6731         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6732         Revert UNSPEC_VOLATILE.
6733         (rs6000_split_atomic_op): New.
6734         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6735
6736 2005-07-14  Eric Christopher  <echristo@redhat.com>
6737
6738         * config/mips/mips.c (mips_canonicalize_comparison): Cast
6739         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6740
6741 2005-07-14  Eric Christopher  <echristo@redhat.com>
6742
6743         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6744
6745 2005-07-14  Steven Bosscher  <stevenb@suse.de>
6746
6747         PR tree-optimization/22230
6748         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6749         the computation of the four cross productions for "range op range".
6750
6751 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
6752             Ulrich Weigand  <uweigand@de.ibm.com>
6753
6754         PR target/20126
6755         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6756         in some insn.
6757
6758 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
6759
6760         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6761
6762 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
6763
6764         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6765
6766 2005-07-14  Richard Guenther  <rguenther@suse.de>
6767
6768         PR middle-end/22347
6769         * config/i386/i386-protos.h (ix86_function_value): Change
6770         prototype to match new target hook.
6771         * config/i386/i386.c (ix86_value_regno): Change prototype
6772         to take extra type argument.
6773         (TARGET_FUNCTION_VALUE): Define.
6774         (ix86_function_ok_for_sibcall): Pass extra argument to
6775         ix86_value_regno, check return slot rtx for exact match.
6776         (ix86_function_value): Take extra parameter.  Dispatch to
6777         ix86_value_regno with fndecl/fntype as provided.
6778         (ix86_value_regno): Handle extra type argument.
6779         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6780
6781         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6782         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6783         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6784         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6785         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6786
6787 2005-07-14  Richard Guenther  <rguenther@suse.de>
6788
6789         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6790         * calls.c (expand_call): Pass fntype to hard_function_value.
6791         (emit_library_call_value_1): Likewise.
6792         * explow.c: Include target.h.
6793         (hard_function_value): Take extra argument, the fntype.
6794         Use new target hook for function_value.
6795         * expr.h (hard_function_value): Change prototype.
6796         * function.c (aggregate_value_p): Pass 0 as fntype to
6797         hard_function_value.
6798         (assign_parms): Use new target hook for function_value.
6799         Pass 0 as fntype to hard_function_value.
6800         (expand_function_end): Likewise.
6801         * reg-stack.c: Include target.h.
6802         (stack_result): Use new target hook for function_value.
6803         * target-def.h: New target hook function_value.
6804         * target.h: Likewise.
6805         * targhooks.c (default_function_value): New function.
6806         * targhooks.h (default_function_value): Declare.
6807
6808 2005-07-13  Ian Lance Taylor  <ian@airs.com>
6809
6810         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6811
6812 2005-07-14  Jan Hubicka  <jh@suse.cz>
6813
6814         * tree-dfa.c (dump_variable): Use default_def function.
6815         * tree-ssa-alias.c (dump_points_to_info): Likewise.
6816         * tree-ssa.c (verify_use): Likewise.
6817         * tree-ssanames.c (release_ssa_name): Likewise.
6818         * tree-tailcall.c (eliminate_tail_call): Likewise.
6819         (tree_optimize_tail_calls_1): Likewise.
6820         * tree-vrp.c (get_value_range): Likewise.
6821
6822 2005-07-14  Ben Elliston  <bje@au.ibm.com>
6823
6824         * gcc.c (main): Compare language[0] with '*' when iterating over
6825         the infiles.
6826
6827 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
6828
6829         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6830         "s390_emit_compare".  Add handling of CCZ1mode.
6831         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6832         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6833         checking.
6834         (s390_branch_condition_mask): Add CCZ1mode handling.
6835         * config/s390/s390.md: ("seq", "*seq"): New pattern.
6836         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6837         Use CCZ1mode instead of CCZmode.
6838         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
6839
6840 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
6841
6842         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6843         pattern.
6844         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6845
6846 2005-07-13  Eric Christopher  <echristo@redhat.com>
6847
6848         * config/mips/mips.c (mips_canonicalize_comparison): New.
6849         (mips_emit_int_relational): Use.
6850
6851 2005-07-13  Eric Christopher  <echristo@redhat.com>
6852
6853         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6854         static extra parts.
6855         * config/s390/s390.md: Include tpf.md. Move tpf specific
6856         patterns...
6857         * config/s390/tpf.md: To here.
6858         * config/s390/s390.opt: Move tpf specific options...
6859         * config/s390/tpf.opt: to here. Add mmain option.
6860         * config/s390/tpf-unwind.h: Remove unnecessary defines.
6861         * config/s390/tpf.h: Rewrite.
6862
6863 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
6864
6865         * doc/tm.texi: Remove @xref{Cross-profiling}.
6866
6867 2005-07-13  Jeff Law  <law@redhat.com>
6868
6869         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6870         expressions, test their _DECL operands for pointer equality rather
6871         than using operand_equal_p.
6872
6873 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
6874
6875         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6876         (TARGET_POSIX_IO): This.
6877         * config/darwin.h: Likewise.
6878         * config/freebsd.h: Likewise.
6879         * config/linux.h: Likewise.
6880         * config/lynx.h: Likewise.
6881         * config/netbsd.h: Likewise.
6882         * config/rs6000/linux64.h: Likewise.
6883         * config/rs6000/linux.h: Likewise.
6884         * config/s390/tpf.h: Likewise.
6885         * config/sh/embed-elf.h: Likewise.
6886         * config/sparc/linux64.h: Likewise.
6887         * config/sparc/linux.h: Likewise.
6888         * config/svr4.h: Likewise.
6889         * gcov-io.h: Likewise.
6890
6891         * doc/tm.texi: Updated.
6892
6893         * libgcov.c (create_file_directory): Defined only if
6894         TARGET_POSIX_IO is defined.
6895         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6896         is defined.
6897
6898 2005-07-13  Jan Hubicka  <jh@suse.cz>
6899
6900         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6901
6902 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
6903
6904         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6905         structure as argument.
6906
6907 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
6908
6909         PR tree-optimization/21921
6910         * tree-iterator.c (tsi_link_before): Support the case when
6911         tsi_end_p (tsi) == true.
6912
6913 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6914
6915         PR tree-optimization/22442
6916         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6917         correctly.
6918
6919 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
6920
6921         PR rtl-optimization/20376
6922         * toplev.c (process_options): Enable -fweb and -frename-registers when
6923         unrolling.
6924         * doc/invoke.texi: Update the information about when -fweb and
6925         -frename-registers are enabled.
6926
6927 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6928
6929         PR tree-opt/21840
6930         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6931         if *rhs_p is not a SSA_NAME.
6932
6933 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
6934
6935         Fix PR tree-optimization/22422
6936         * tree-ssa-structalias.c (struct variable_info): Add flag for
6937         special vars.
6938         (get_varinfo): Now a static function.
6939         (new_varinfo): init has_union and is_special_var to false.
6940         (solution_set_add): Check has_union.
6941         (do_da_constraint): Move temporary variable so it gets reset
6942         properly.
6943         Also check for special variable.
6944         (do_ds_constraint): Ditto.
6945         (do_sd_constraint): Ditto.
6946         (do_structure_copy): Check for special variable.
6947         (find_func_aliases): Ditto.
6948         (init_base_vars): Set special vars properly.
6949
6950 2005-07-13  Jan Hubicka  <jh@suse.cz>
6951
6952         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6953         do unit-at-a-time.
6954
6955         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6956         (get_expr_operands): Fix thinko wrt flags and subvars.
6957
6958         PR tree-optimize/22379
6959         * tree-inline.c (expand_call_inline): Do not output sorry in early
6960         inlining.
6961
6962 2005-07-12  Dale Johannesen  <dalej@apple.com>
6963
6964         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
6965
6966 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
6967
6968         PR bootstrap/21704
6969         * host-linux.h: Include limits.h.
6970
6971 2005-07-12  Dale Johannesen  <dalej@apple.com>
6972
6973         * expr.c (compress_float_constant):  Add cost check.
6974         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
6975
6976 2005-07-12  Dale Johannesen  <dalej@apple.com>
6977
6978         * gcc.target/i386/compress-float-sse.c:  New.
6979         * gcc.target/i386/compress-float-sse-pic.c:  New.
6980         * gcc.target/i386/compress-float-387.c:  New.
6981         * gcc.target/i386/compress-float-387-pic.c:  New.
6982         * gcc.dg/compress-float-ppc.c:  New.
6983         * gcc.dg/compress-float-ppc-pic.c:  New.
6984
6985 2005-07-12  Eric Christopher  <echristo@redhat.com>
6986
6987         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6988         static extra parts.
6989         * config/s390/s390.md: Include tpf.md. Move tpf specific
6990         patterns...
6991         * config/s390/tpf.md: To here.
6992         * config/s390/s390.opt: Move tpf specific options...
6993         * config/s390/tpf.opt: to here. Add mmain option.
6994         * config/s390/tpf-unwind.h: Remove unnecessary defines.
6995         * config/s390/tpf.h: Rewrite.
6996
6997 2005-07-12  Eric Christopher  <echristo@redhat.com>
6998
6999         * gcc.c (struct infile): Update comment for language.
7000         (main): Rewrite input file resetting code.
7001
7002 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7003
7004         PR tree-opt/22335
7005         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7006         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
7007         (lookup_avail_expr): Use constant_boolean_node instead
7008         of boolean_false_node/boolean_true_node.
7009
7010 2005-07-12  Ben Elliston  <bje@au.ibm.com>
7011
7012         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7013         and use it when printing num_edges.
7014
7015 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7016
7017         * doc/extend.texi (Blackfin Built-in Functions): New section.
7018         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7019         @opindex.
7020
7021 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
7022
7023         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7024         s/cmpstrsi/cmpstrnsi
7025         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7026         'cmpstrnsi'.
7027         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7028         (init_optabs): Initialize cmpstrn_optab.
7029         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7030         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7031         * expr.c: (enum insn_code cmpstrn_optab): Declare.
7032         * config/i386/i386.md: s/cmpstr/cmpstrn
7033         * config/c4x/c4x.md: s/cmpstr/cmpstrn
7034         * doc/md.texi: Update documentation.
7035
7036 2005-07-11  Richard Henderson  <rth@redhat.com>
7037
7038         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7039         build_va_arg_indirect_ref.
7040         (alpha_gimplify_va_arg): Likewise.
7041         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7042         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7043         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7044         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7045         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7046         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7047         Likewise.
7048         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7049
7050 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7051
7052         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7053         * passes.c (init_optimization_passes): Add pass_empty_loop.
7054         * tree-pass.h (pass_empty_loop): Declare.
7055         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7056         try_remove_empty_loop, remove_empty_loops): New functions.
7057         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7058         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7059
7060 2005-07-12  Peter Barada  <peter@the-baradas.com>
7061
7062         PR middle-end/16719
7063         PR middle-end/18421
7064         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7065         in address registers.
7066         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7067         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7068         alternative of addsi3_5200.
7069
7070 2005-07-11  Ian Lance Taylor  <ian@airs.com>
7071
7072         * config/mips/mips.md (ffs<mode>2): Remove.
7073
7074 2005-07-11  Ian Lance Taylor  <ian@airs.com>
7075
7076         * doc/tree-ssa.texi (Cleanups): Improve description of
7077         TRY_FINALLY_EXPR.
7078         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7079
7080 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
7081
7082         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7083         * tree.h (DECL_ARGUMENT_FLD): New macro.
7084
7085 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
7086
7087         Fix PR tree-optimization/22404
7088
7089         * tree-ssa-structalias.c (create_variable_info_for): Use
7090         correct offset.
7091
7092 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
7093
7094         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7095         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7096         for second comparison operand.
7097         * config/bfin/predicates.md (reg_or_const_int_operand): New.
7098
7099         * config/bfin/bfin.md (define_attr "type"): Add "sync".
7100         (define_insn_reservation "alu"): Likewise.
7101         (csync, ssync): Now of type sync.
7102         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7103         -mcsync-anomaly -mspecld-anomaly.
7104         * config/bfin/bfin.opt (mcsync): Remove.
7105         (mcsync-anomaly, mspecld-anomaly): Add.
7106         * config/bfin/bfin.c: Include "insn-codes.h".
7107         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7108         (TARGET_DEFAULT_TARGET_FLAGS): New.
7109         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7110
7111 2005-07-11  Steven Bosscher  <stevenb@suse.de>
7112
7113         * basic-block.h: Give the BB flags enum a name, bb_flags.
7114         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7115         * cfgcleanup.c (enum bb_flags): Remove here.
7116         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7117         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7118         (update_forwarder_flag): Likewise.
7119         (thread_jump): Likewise.
7120         (try_forward_edges): Likewise.
7121         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
7122         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
7123         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7124
7125 2005-07-11  Richard Guenther  <rguenther@suse.de>
7126
7127         * config/i386/i386.opt: New target option -msseregparm.
7128         * config/i386/i386.c (override_options): Error out for
7129         -msseregparm but no SSE support.
7130         (ix86_function_sseregparm): Check for global sseregparm.
7131         * doc/invoke.texi: Document -msseregparm.
7132
7133 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7134
7135         * config.gcc (m32r-*-linux*): Use the default extra_parts.
7136         (m32rle-*-linux*): Ditto.
7137
7138 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
7139
7140         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7141         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7142         bytes.
7143
7144 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7145
7146         PR middle-end/22239
7147         PR target/20126
7148         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7149         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7150
7151 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
7152
7153         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7154         (varmap): Heapify varmap.
7155         (constraints): Heapify constraints.
7156         (struct constraint_graph): Heapify succs and preds.
7157         (constraint_vec_find): Update for heapification.
7158         (constraint_set_union): Ditto.
7159         (insert_into_complex): Ditto.
7160         (constraint_edge_vec_find): Ditto.
7161         (erase_graph_self_edge): Ditto.
7162         (add_graph_edge): Ditto.
7163         (get_graph_weights): Ditto.
7164         (merge_graph_nodes): Ditto.
7165         (build_constraint_graph): Ditto.
7166         (topo_visit): Ditto.
7167         (solve_graph): Ditto.
7168         (create_variable_info_for): Ditto.
7169         (init_base_vars): Ditto.
7170         (delete_points_to_sets): Free graph, varmap, and complex constraints.
7171         (condese_varmap_nodes): Free complex vector.
7172         (clear_edges_for_node): Clear succs and preds vector.
7173
7174 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
7175
7176         * tree-ssa-structalias.c (update_alias_info): Change counting of
7177         references to not include vdefs.
7178
7179 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
7180
7181         * tree-ssa-alias.c (free_used_part_map): Add missing free.
7182         (up_insert): Ditto.
7183
7184 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7185
7186         * pa.c (pa_commutative_p): Make PLUS commutative when
7187         TARGET_NO_SPACE_REGS is true.
7188
7189 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
7190
7191         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7192         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7193         * tree-dfa.c (dump_subvars_for): New.
7194         (debug_subvars_for): New.
7195         (dump_variable): Show subvariables if VAR has them.
7196         * tree-flow-inline.h (get_subvar_at): New.
7197         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7198         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7199         Update all users.
7200         (struct subvar): Change fields offset and size to unsigned
7201         HOST_WIDE_INT.
7202         (dump_subvars_for): Declare.
7203         (debug_subvars_for): Declare.
7204         (get_subvar_at): Declare.
7205         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7206         to unsigned HOST_WIDE_INT *.
7207         (overlap_subvar): Likewise.
7208         * tree-gimple.c (is_gimple_reg): Always return false for
7209         SFTs and memory tags.
7210         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7211         Update all callers.
7212         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7213         (compute_may_aliases): Call compute_points_to_sets.
7214         (collect_points_to_info_for): Remove.
7215         (compute_points_to_and_addr_escape): Remove.
7216         (delete_alias_info): Call delete_points_to_sets.
7217         (compute_flow_sensitive_aliasing): If the call to
7218         find_what_p_points_to returns false, call set_pt_anything.
7219         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7220         (set_pt_anything): Clear pi->pt_vars.
7221         (set_pt_malloc): Remove.
7222         (merge_pointed_to_info): Remove.
7223         (add_pointed_to_expr): Remove.
7224         (add_pointed_to_var): Remove.
7225         (collect_points_to_info_r): Remove.
7226         (is_escape_site): Make extern.
7227         (create_sft): New.
7228         (create_overlap_variables_for): Call it.
7229         * tree-ssa-copy.c (merge_alias_info): Never merge
7230         flow-sensitive alias information.
7231         * tree-ssa-operands.c (get_expr_operands): Adjust variables
7232         offset and size to be unsigned HOST_WIDE_INT.
7233         (add_to_addressable_set): Rename from note_addressable.
7234         Set TREE_ADDRESSABLE as the variables are added to the set.
7235         Update all users.
7236         (add_stmt_operand): Do not try to micro-optimize unmodifiable
7237         operands into VUSEs when adding V_MAY_DEFs for members in an
7238         alias set.
7239         * tree-ssa-operands.h (add_to_addressable_set): Declare.
7240         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7241         (struct variable_info): Add bitfield is_heap_var.
7242         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7243         (new_var_info): Initialize is_heap_var.
7244         (get_constraint_for): Add HEAP variables to the symbol table.
7245         Mark them with is_heap_var.
7246         (update_alias_info): New.  Taken mostly from the old
7247         compute_points_to_and_addr_escape.
7248         (handle_ptr_arith): New.
7249         (find_func_aliases): Call update_alias_info.
7250         Call handle_ptr_info for tcc_binary expressions.
7251         Call mark_stmt_modified.
7252         (create_variable_info_for): If DECL has subvars, do not create
7253         variables for its subvars.  Always add all the fields.
7254         (set_uids_in_ptset): If the solution includes ANYOFFSET and
7255         SFTs, then add all the SFTs of the structure.
7256         If VI->DECL is an aggregate with subvariables, add the SFT at
7257         VI->OFFSET.
7258         (find_what_p_points_to): If VI is an artificial variable,
7259         translate to bitfields in SSA_NAME_PTR_INFO.
7260         If the solution is empty, set pi->pt_vars to NULL
7261         (init_base_vars): Create ANYOFFSET.
7262         (compute_points_to_sets): Rename from create_alias_vars.
7263         Make extern.
7264         (pass_build_pta): Remove.
7265         (delete_points_to_sets): Rename from delete_alias_vars.
7266         (pass_del_pta): Remove.
7267         * tree-ssa-structalias.h (struct alias_info): Move from
7268         tree-ssa-alias.h.
7269         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7270         NUM_REFERENCES_SET): Likewise.
7271         (compute_points_to_sets, delete_points_to_sets): Declare.
7272
7273 2005-07-09  Richard Henderson  <rth@redhat.com>
7274
7275         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7276         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7277         alpha_split_lock_test_and_set_12): New functions.
7278         * config/alpha/alpha-protos.h: Update.
7279         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7280         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7281         * config/alpha/sync.md (I12MODE): New.
7282         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7283         (sync_<fetchop_name><I48MODE>): Likewise.
7284         (sync_nand<I48MODE>): Likewise.
7285         (sync_old_<fetchop_name><I48MODE>): Likewise.
7286         (sync_new_<fetchop_name><I48MODE>): Likewise.
7287         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7288         (sync_compare_and_swap<I48MODE>): Likewise.
7289         (sync_lock_test_and_set<I48MODE>): Likewise.
7290         (sync_compare_and_swap<I12MODE>): New.
7291         (sync_compare_and_swap<I12MODE>_1): New.
7292         (sync_lock_test_and_set<I12MODE>): New.
7293         (sync_lock_test_and_set<I12MODE>_1): New.
7294
7295 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
7296
7297         PR 21356
7298         PR 22332
7299         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7300
7301 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
7302
7303         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7304         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7305
7306 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
7307
7308         PR target/21656
7309         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7310
7311 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
7312
7313         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7314         memory_operand constraint.
7315         (store_conditional_<mode>): Same.
7316         (sync_compare_and_swap<mode>): Same.
7317         (sync_lock_test_and_set<mode>): Same.
7318
7319 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
7320
7321         Rewrite PIC support to more closely model actual instructions.
7322         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7323         (cris_symbol): Remove prototypes for removed functions.
7324         (cris_pic_symbol_type_of, cris_valid_pic_const)
7325         (cris_expand_pic_call_address): Prototypes for new functions.
7326         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7327         variable.
7328         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7329         modifiers.
7330         <case ':'>: Add case for new punctuation character.
7331         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7332         emitting (extra) PIC modifier.
7333         <case UNSPEC>: Do not assert for PLT.
7334         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7335         (cris_expand_prologue, cris_expand_epilogue): Check
7336         for pic_offset_table_rtx usage instead of taking
7337         current_function_uses_pic_offset_table as the final word.
7338         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7339         Remove flag_pic difference.
7340         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7341         the moral equivalents of...
7342         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7343         functions.
7344         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7345         (cris_handle_option): Mark ARG as unused.
7346         (cris_expand_pic_call_address): New worker function for "call",
7347         "call_value".
7348         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7349         output PIC constructs here.
7350         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7351         as symbol-specific modifers, not whole or part of operands.
7352         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7353         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7354         constants and flag_pic.
7355         (CONSTANT_INDEX_P): Adjust for new functions.
7356         (enum cris_pic_symbol_type): New helper type.
7357         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7358         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7359         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7360         define_constants.
7361         ("movsi"): Emit actual instructions for GOT and relative access.
7362         ("*movsi_got_load"): New pattern to set up the register holding
7363         the GOT pointer.
7364         ("*movsi_internal"): Operand 1 is not a plain general_operand.
7365         Adjust FIXME for 'S'.
7366         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7367         Use "movs" for -fpic cases.
7368         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7369         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7370         ("call", "call_value"): Just call cris_expand_pic_call_address for
7371         PIC addresses.
7372         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7373         Remove special pattern.
7374         ("*expanded_call_side", "*expanded_call_value_side"): New
7375         patterns.
7376         (gotplt-to-plt, gotplt-to-plt-side-call)
7377         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7378         peephole2:s.
7379         * config/cris/cris/predicates.md
7380         ("cris_general_operand_or_gotless_symbol"): Remove unused
7381         predicate.
7382         ("cris_general_operand_or_symbol"): Adjust for new functions.
7383
7384 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7385
7386         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7387
7388 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
7389
7390         * Makefile.in (TREE_H): Add treestruct.def.
7391         (c-decl.o): Add pointer-set.h
7392         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7393         visibility on regular DECL's.
7394         (merge_decls): Fix the copying of decl nodes of various types for
7395         the new structures.  Don't update RTL, section name, weak status,
7396         etc, on DECL's without RTL.
7397         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7398         Don't check volatile on non-variable types.
7399         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7400         to check whether we have seen arguments.
7401         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7402         flag is checked before field (flag is common, field is not).
7403         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
7404         TS_DECL_COMMON could have an origin.
7405         (add_location_or_const_value_attribute): Don't check section name
7406         on non-var/function decls.
7407         (dwarf2out_var_location): Reverse order of tests.
7408         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7409         with DECL_WRTL_CHECK.
7410         * expmed.c (make_tree): rtl is now in decl_with_rtl.
7411         * fold-const.c (fold_binary): Don't check weakness on
7412         non-var/function decls.
7413         (tree_expr_nonzero_p): Ditto.
7414         (fold_checksum_tree): Use tree_decl_extra as sizeof
7415         buffer.
7416         * ggc-page.c (extra_order_size_table): Add sizes for
7417         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
7418         tree_field_decl.
7419         * gimplify.c (gimplify_bind_expr): Only set
7420         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7421         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7422         without RTL.
7423         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7424         * langhooks.h (init_ts). New langhook.
7425         * passes.c (rest_of_decl_compilation): Reverse order of tests.
7426         * print-tree.c (print_node): Update to only print fields that
7427         exist in the structures the passed decl has.
7428         * toplev.c (wrapup_global_declarations): Don't reset
7429         DECL_DEFER_OUTPUT on DECL's that don't contain it.
7430         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7431         * tree-inline.c (remap_decl): Ditto.
7432         * tree-outof-ssa.c (create_temp): Reverse order of tests.
7433         * tree-pretty-print.c (print_declaration): Don't print
7434         DECL_REGISTER on things that don't contain it.
7435         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7436         non-var/function decls.
7437         * tree.c (tree_contains_struct): New structure.
7438         (init_priority_for_decl): New hashtable.
7439         (tree_int_map): New structure.
7440         (tree_int_map_eq): New function.
7441         (tree_int_map_marked_p): Ditto.
7442         (tree_int_map_hash): Ditto.
7443         (tree_map): Move to tree.h.
7444         (tree_map_eq): Externalize.
7445         (tree_map_hash): Ditto.
7446         (tree_map_marked_p): Ditto.
7447         (init_ttree): Set up tree_contains_struct and call langhook.
7448         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7449         (tree_code_size): Update for new structures.
7450         (tree_node_structure): Update for new structures.
7451         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7452         without the field.
7453         (copy_node_stat):  Copy init priority.
7454         (build_decl_stat): Ditto for visibility.
7455         (ts_enum_names): New.
7456         (tree_contains_struct_check_failed): New function.
7457         (decl_init_priority_lookup): Ditto.
7458         (decl_init_priority_insert): Ditto.
7459         * treestruct.def: New file.
7460         * tree.h (CODE_CONTAINS_STRUCT): New macro.
7461         (CONTAINS_STRUCT_CHECK): Ditto.
7462         (tree_contains_struct_check_failed): New prototype.
7463         (DECL_CHECK): Removed.
7464         (DECL_MINIMAL_CHECK): New.
7465         (DECL_COMMON_CHECK): Ditto.
7466         (DECL_WRTL_CHECK): Ditto.
7467         (DECL_NON_COMMON_CHECK): Ditto.
7468         (DECL_WITH_VIS_CHECK): Ditto.
7469         (VAR_OR_FUNCTION_DECL_P): Ditto
7470         (struct tree_decl_minimal): New structure.
7471         (struct tree_decl_common): Ditto.
7472         (struct tree_decl_with_rtl): Ditto.
7473         (struct tree_decl_with_vis): Ditto.
7474         (struct tree_decl_non_common): Ditto.
7475         (struct tree_field_decl): Ditto.
7476         (struct tree_parm_decl): Ditto.
7477         (struct tree_var_decl): Ditto.
7478         (struct tree_function_decl): Ditto.
7479         (struct tree_const_decl): Ditto.
7480         (struct tree_result_decl): Ditto.
7481         (union tree_node): Add new structures.
7482         * var-tracking.c (track_expr_p): Reverse order of tests.
7483
7484         * doc/c-tree.texi: Add documentation on DECL node internal structure.
7485
7486 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
7487
7488         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7489         * system.h: Poison FINALIZE_PIC.
7490         * doc/tm.texi (FINALIZE_PIC): Remove.
7491
7492 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7493
7494         PR tree-opt/22329
7495         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7496         to the correct type if we have a MODIFY_EXPR.
7497
7498 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
7499
7500         PR tree-optimization/22360
7501         * tree.c (upper_bound_in_type): Fix calculations for casting
7502         to a non-wider signed type and casting a signed value to a
7503         wider unsigned type.
7504         (lower_bound_in_type): Fix calculations for casting to a
7505         non-wider signed type.
7506
7507         PR tree-optimization/20139
7508         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7509         release_defs.
7510         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7511         fold_cond_expr_cond.
7512         * tree-ssanames.c (release_defs): Assert in_ssa_p.
7513         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7514
7515 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7516
7517         PR tree-opt/22356
7518         * tree-complex.c (expand_complex_libcall): Produce
7519         REALPART_EXPR/IMAGPART_EXPR with the correct type.
7520
7521 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
7522
7523         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7524         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7525         b" assert and inserted fastpath code for this case.
7526         (bitmap_ior): Removed "a != b" assert.
7527
7528 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7529
7530         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7531         (ENDFILE_SPEC): Likewise.
7532         * config/m32r/m32r.h (ASM_SPEC): Likewise.
7533
7534         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7535         a large stack frame at epilogue.
7536
7537 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
7538
7539         * final.c: Include sdbout.h when required.
7540
7541 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
7542
7543         * config.gcc (*-*-darwin*): Only one target-specific header file
7544         for generic darwin.
7545         (powerpc-*-darwin*): Add version-specific header files.
7546         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7547         * config.in: Regenerate.
7548         * configure: Regenerate.
7549         * gcc.c: Include xregex.h.
7550         (version_compare_spec_function): New.
7551         (spec_function): Add version-compare.
7552         (replace_outfile_spec_function): Reformat comment.
7553         (compare_version_strings): New.
7554         * config/darwin-c.c (version_as_macro): New.
7555         (builtin_define): New.
7556         (darwin_cpp_builtins): New.
7557         * config/darwin-protos.h (darwin_cpp_builtins): New.
7558         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7559         (LIB_SPEC): Make unconditional, update comment.
7560         (TARGET_C99_FUNCTIONS): Define.
7561         * config/darwin.opt: Sort.
7562         (mmacosx-version-min=): New.
7563         * config/darwin7.h: Delete.
7564         * config/darwin8.h: Delete.
7565         * config/i386/darwin.h (): Call darwin_cpp_builtins.
7566         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7567         (TARGET_C99_FUNCTIONS): Define.
7568         * config/rs6000/darwin7.h: New.
7569         * config/rs6000/darwin8.h: New.
7570         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7571         (-mmacosx-version-min): Document.
7572
7573 2005-07-07  Ian Lance Taylor  <ian@airs.com>
7574
7575         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7576
7577 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
7578
7579         PR middle-end/22239
7580         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7581
7582 2005-07-07  Khem Raj  <kraj@mvista.com>
7583
7584         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7585         in bytes, not words.
7586
7587 2005-07-07  Paul Brook  <paul@codesourcery.com>
7588
7589         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7590         DEFAULT_FUNCTION_ARG_PADDING to upward.
7591
7592 2005-07-07  Richard Henderson  <rth@redhat.com>
7593
7594         * function.c (locate_and_pad_parm): Record parameter alignment in
7595         stack_alignment_needed.
7596
7597 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
7598
7599         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7600         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7601         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7602         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7603         (define_attr "type"): Add isync, sync, load_l, store_c.
7604         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7605         Create scratch volatile MEM.
7606         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
7607         sync.
7608         (load_locked_<mode>): New.
7609         (store_conditional_<mode>): New.
7610         (sync_compare_and_swap<mode>): Replace with splitter.
7611         (sync_lock_test_and_set<mode>): Replace with splitter.
7612         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7613         and UNSPECV_ISYNC.
7614         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
7615         is ics.  Attribute isync.
7616         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
7617         lwsync.
7618         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7619         and UNSPECV_SYNC_OP.
7620         (emit_unlikely_jump): New.
7621         (emit_load_locked): New.
7622         (emit_store_conditional): New.
7623         (rs6000_split_compare_and_swap): New.
7624         (rs6000_split_lock_test_and_set): New.
7625         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7626         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7627         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7628         rs6000_split_lock_test_and_set): Declare.
7629         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7630         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7631         store_c, isync, sync.
7632
7633 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
7634
7635         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7636         filenames to gtyp-gen.h.
7637         (s-typ-gen): Use it in place of for loops.
7638
7639 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
7640
7641         * hooks.c (hook_bool_rtx_int_false): New function.
7642         * hooks.h (hook_bool_rtx_int_false): Declare.
7643         * target-def.h (TARGET_COMMUTATIVE_P): Define.
7644         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
7645         * target.h (struct gcc_target): Add commutative_p member.
7646         * targhooks.c (hook_bool_rtx_commutative_p): New function.
7647         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
7648         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
7649         (pa_commutative_p): New function.
7650         * jump.c (target.h): Include.
7651         (rtx_renumbered_equal_p): Use targetm.commutative_p.
7652         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
7653
7654 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
7655
7656         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
7657         (s390_expand_setmem): New.
7658         * config/s390/s390.c: Likewise.
7659         (print_shift_count_operand): Truncate to 12 bits instead of 6.
7660         Adapt comments.
7661         * config/s390/s390.md: ("setmem<mode>"): Accept character as
7662         general_operand.  Call new function "s390_expand_setmem".
7663         ("clrmem_long", "*clrmem_long"): Rewrite to ...
7664         ("setmem_long", "*setmem_long"): ... this.
7665
7666 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
7667
7668         * config/s390/s390.c: (optimization_options): Enable
7669         TARGET_MVCLE at -Os.
7670         * doc/invoke.texi: Document changes in default behaviour.
7671         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
7672
7673 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
7674
7675         * expr.c: (set_storage_via_setmem): Convert opchar to mode
7676         defined by back-end.
7677
7678 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
7679
7680         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
7681         all sets in the pattern.
7682         * config/rs6000/rs6000.md (stack_protect_testsi,
7683         stack_protect_testdi): Likewise.
7684
7685 2005-07-06  Jeff Law  <law@redhat.com>
7686
7687         * tree-vrp.c (simplify_using_ranges): Kill.
7688         (vrp_finalize): Remove call to simplify_using_ranges.
7689         (simplify_stmt_using_ranges): New function extracted from
7690         simplify_using_ranges.
7691         (simplify_div_or_mod_using_ranges): Likewise.
7692         (simplify_abs_using_ranges): Likewise.
7693         (simplify_cond_using_ranges): New function.
7694         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7695         * tree-ssa-propagate.c (substitute_and_fold): Call
7696         simplify_stmt_using_ranges if we have range information.
7697
7698 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
7699
7700         * config/ia64/ia64.c (ia64_reorg): Check optimize before
7701         ia64_flag_schedule_isns2.
7702
7703         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7704         reading/writing general registers.
7705         (ia64_function_arg): Revert 2005-06-18 change.
7706
7707 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
7708
7709         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
7710         (legitimize_tls_address): Use gcc_unreachable instead of abort.
7711
7712 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
7713
7714         * function.c (expand_function_end): Revert part of 2005-06-27
7715         patch.  Do sjlj_emit_function_exit_after after return_label.
7716
7717 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
7718
7719         * doc/install.texi (--disable-libssp): New.
7720
7721 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
7722
7723         * doc/invoke.texi: Update -fforce-mem documentation.
7724         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7725         code for -fforce-mem.
7726         * expmed.c: (store_bit_field,store_fixed_bit_field,
7727         extract_bit_field): Ditto.
7728         * expr.c: (convert_move): Ditto.
7729         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
7730         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7731         emit_conditional_add,expand_float,expand_fix): Ditto.
7732         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7733         (common_handle_option): Issue warning when -fforce-mem specified.
7734
7735 2005-07-06  Paul Brook  <paul@codesourcery.com>
7736
7737         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7738         argument is empty.
7739         * configure: Regenerate.
7740
7741 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
7742
7743         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7744
7745 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
7746
7747         Fix PR tree-optimization/22319
7748         Fix PR tree-optimization/22140
7749         Fix PR tree-optimization/22310
7750
7751         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7752         variable sized types.
7753         Use correct type for intermediate structure on *a = *b structure
7754         copies.
7755
7756 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
7757
7758         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7759         Remove.
7760         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7761         (machine_function): Move typedef to...
7762         * config/rs6000/rs6000.c (machine_function): ... here.  Add
7763         varargs_save_offset field.
7764         (rs6000_stack_t): Remove varargs_size field.
7765         (setup_incoming_varargs): Allocate varargs save area using
7766         assign_stack_local, try to make it as small as possible.
7767         Save offset from virtual_stack_vars_rtx to the save area
7768         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
7769         instead of magic 8 when fp word byte size is used.
7770         (rs6000_va_start): Use cfun->machine->varargs_save_offset
7771         instead of -RS6000_VARARGS_SIZE.
7772         (rs6000_stack_info, debug_stack_info,
7773         rs6000_initial_elimination_offset): Remove all traces of
7774         varargs_size.
7775         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7776         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7777         RS6000_VARARGS_AREA.
7778
7779 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
7780
7781         PR tree-optimization/21963
7782         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7783         constant_multiple_of in the same way get_computation_cost_at does.
7784
7785 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
7786
7787         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7788         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7789         (gen_compare_reg): If sparc_compare_emitted is set, clear it
7790         and return its previous value.
7791         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7792         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7793         constants.
7794         (stack_protect_set, stack_protect_test): New expanders.
7795         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7796         stack_protect_testdi): New insns.
7797         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7798         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7799
7800 2005-07-06  Jeff Law  <law@redhat.com>
7801
7802         * tree-ssa-dce.c (cfg_altered): New global.
7803         (tree_dce_init): Initialize cfg_altered.
7804         (remove_dead_stmt): If we remove an edge in the CFG, then set
7805         CFG_ALTERED.
7806         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7807         the dominators.
7808
7809 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
7810
7811         * Makefile.in (stamp-collect-ld): Use
7812         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
7813         ./collect-ld if it already exists.
7814         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7815         Don't remove ./nm if it already exists.
7816
7817 2005-07-05  Devang Patel  <dpatel@apple.com>
7818
7819         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7820         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7821         * tree-vectorizer.c (vect_loop_location): New.
7822         (vect_print_dump_info): Use vect_loop_location.
7823         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7824         (vectorize_loops): Set vect_loop_location.
7825         * tree-vect-analyze.c (vect_analyze_offset_expr,
7826         vect_determin_vectorization_factor, vect_analyze_operations,
7827         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7828         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7829         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7830         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7831         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7832         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7833         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7834         vect_analyze_loop): Adjust vect_print_dump_info API.
7835         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7836         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7837         vect_finish_stmt_generation, vectorizable_assignment,
7838         vectorizable_operation, vectorizable_store, vectorizable_load,
7839         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7840         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7841         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7842         vect_transform_loop): Same.
7843         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7844         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7845         Same.
7846
7847 2005-07-05  Randolph Chung  <tausq@debian.org>
7848
7849         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7850         * configure: Regenerate.
7851         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7852         (pa_tls_referenced_p): Declare.
7853         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7854         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7855         (legitimize_tls_address): New.
7856         (hppa_legitimize_address): Handle TLS addresses.
7857         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7858         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7859         (emit_move_sequence): Handle TLS addresses.
7860         (pa_encode_section_info): Call default handler to handle common
7861         sections.
7862         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7863         (CONSTANT_ADDRESS_P): Reject TLS operands.
7864         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7865         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7866         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7867         (UNSPEC_TLSLE): Define new constants.
7868         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7869         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7870         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7871         (tie_symbolic_operand, tle_symbolic_operand): New
7872
7873 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
7874
7875         * aclocal.m4: Update macros for autoconf 2.59 style.
7876         * configure.ac: Likewise.
7877
7878 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7879
7880         * pa.c (function_value): Handle small aggregates on 32-bit targets.
7881         (function_arg): Pass small aggregates in general registers on 32-bit
7882         targets.
7883         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7884
7885 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
7886
7887         * Makefile.in (final.o): Fix dependencies.
7888
7889 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
7890
7891         PR c/22013
7892         PR c/22098
7893         * langhooks.h (struct lang_hooks): Add expr_to_decl.
7894         * langhooks.c (lhd_expr_to_decl): New.
7895         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7896         New.
7897         (LANG_HOOKS_INITIALIZER): Update.
7898         * tree.c (recompute_tree_invarant_for_addr_expr): Call
7899         expr_to_decl langhook.
7900         * c-tree.h (c_expr_to_decl): Declare.
7901         * c-typeck.c (c_expr_to_decl): New.
7902         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7903         specially.
7904         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7905
7906 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
7907
7908         PR c/22308
7909         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7910         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7911
7912 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
7913
7914         * Makefile.in: Adjust dependencies.
7915         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7916         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7917         * alias.c (rest_of_handle_cfg, pass_cfg): New.
7918         * bb-reorder.c (duplicate_computed_gotos): Make it static.
7919         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7920         rest_of_compilation.
7921
7922         * bb-reorder.c (gate_duplicate_computed_gotos,
7923         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7924         rest_of_handle_reorder_blocks, pass_reorder_blocks,
7925         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7926         pass_partition_blocks): New.
7927         * bt-load.c (gate_handle_branch_target_load_optimize,
7928         rest_of_handle_branch_target_load_optimize,
7929         pass_branch_target_load_optimize): New.
7930         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7931         pass_jump2): New.
7932         * cfglayout.c (pass_insn_locators_initialize): New.
7933         * cfgrtl.c (pass_free_cfg): New.
7934         * combine.c (gate_handle_combine, rest_of_handle_combine,
7935         pass_combine): New.
7936         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7937         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7938         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7939         * except.c (pass_set_nothrow_function_flags,
7940         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7941         pass_rtl_eh): New.
7942         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7943         rest_of_handle_shorten_branches, pass_shorten_branches,
7944         rest_of_clean_state, pass_clean_state): New.
7945         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7946         rest_of_handle_remove_death_notes, pass_remove_death_notes,
7947         rest_of_handle_life, pass_life, rest_of_handle_flow2,
7948         pass_flow2): New.
7949         * function.c (pass_instantiate_virtual_regs, pass_init_function,
7950         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7951         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7952         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7953         pass_gcse): New.
7954         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7955         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7956         pass_rtl_ifcvt, gate_handle_if_after_combine,
7957         rest_of_handle_if_after_combine, pass_if_after_combine,
7958         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7959         pass_if_after_reload): New.
7960         * integrate.c (pass_initial_value_sets): New.
7961         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7962         pass_purge_lineno_notes): New.
7963         * mode-switching.c (rest_of_handle_mode_switching,
7964         pass_mode_switching): New.
7965         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7966         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7967         pass_loop2): New.
7968         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7969         pass_loop_optimize): New.
7970         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7971         pass_sms): New.
7972         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7973         pass_gcse2): New.
7974         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7975         pass_postreload_cse): New.
7976         * profile.c (gate_handle_profiling, pass_profiling,
7977         rest_of_handle_branch_prob, pass_branch_prob): New.
7978         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7979         pass_split_before_regstack, gate_handle_split_before_regstack,
7980         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7981         rest_of_handle_split_all_insns, pass_split_all_insns): New.
7982         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7983         pass_stack_regs): New.
7984         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7985         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7986         pass_stack_adjustments): New.
7987         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7988         pass_regrename): New.
7989         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7990         pass_delay_slots, gate_handle_machine_reorg,
7991         rest_of_handle_machine_reorg, pass_machine_reorg): New.
7992         * rtl.h (extern void purge_line_number_notes): New.
7993         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7994         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7995         pass_sched2): New.
7996         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7997         pass_tracer): New.
7998         * value-prof.c (gate_handle_value_profile_transformations,
7999         rest_of_handle_value_profile_transformations,
8000         pass_value_profile_transformations): New.
8001         * var-tracking.c (gate_handle_var_tracking,
8002         pass_variable_tracking): New.
8003         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8004
8005         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8006         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8007         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8008         rest_of_handle_old_regalloc, rest_of_handle_regrename,
8009         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8010         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8011         rest_of_handle_gcse2, rest_of_handle_regmove,
8012         rest_of_handle_tracer, rest_of_handle_if_conversion,
8013         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8014         rest_of_handle_web, rest_of_handle_branch_prob,
8015         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8016         rest_of_handle_jump_bypass, rest_of_handle_combine,
8017         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8018         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8019         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8020         rest_of_handle_mode_switching, rest_of_handle_jump,
8021         rest_of_handle_eh, rest_of_handle_stack_adjustments,
8022         rest_of_handle_flow2, rest_of_handle_jump2,
8023         rest_of_handle_peephole2, rest_of_handle_postreload,
8024         rest_of_handle_shorten_branches, rest_of_clean_state,
8025         rest_of_compilation): Remove.
8026
8027         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8028         * passes.c (dump_flags, in_gimple_form, all_passes,
8029         all_ipa_passes, all_lowering_passes, register_one_dump_file,
8030         register_dump_files, next_pass_1, last_verified, execute_todo,
8031         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8032         from tree-optimize.c.
8033         (init_optimization_passes): Moved from tree-optimize.c,
8034         adding the RTL optimizations.
8035         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8036         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8037         all_ipa_passes, all_lowering_passes, register_one_dump_file,
8038         register_dump_files, next_pass_1, last_verified, execute_todo,
8039         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8040         init_tree_optimization_passes, ipa_passes): Delete.
8041         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8042         the RTL dumps.
8043         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8044         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8045         from tree.h.
8046         (ipa_passes): Remove.
8047         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8048         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8049         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8050         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8051         (dump_info_p, dump_flag): Moved to tree-dump.h.
8052
8053         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8054         cgraph.c, opts.c.
8055         * passes.c (finish_optimization_passes): Use dump_begin
8056         and dump_end, TDI_end.
8057         (gate_rest_of_compilation): New.
8058         (pass_rest_of_compilation): Use it.
8059         (gate_postreload, pass_postreload): New.
8060         * toplev.c (general_init): Rename init_tree_optimization_passes.
8061         * toplev.h (init_tree_optimization_passes): Rename to
8062         init_optimizations_passes.
8063         * tree-dump.c (dump_flag): Make static.
8064         (dump_files): Remove RTL dumps.
8065         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8066         pass_cleanup_cfg, pass_free_cfg_annotations,
8067         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8068         pass_init_datastructures, pass_fixup_cfg): Make non-static.
8069         * tree-pretty-print.c: Include tree-pass.h.
8070         * cgraph.c: Include tree-dump.h.
8071
8072 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
8073
8074         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8075         Only fall back to saying it points to readonly memory if
8076         we can't do better.
8077
8078 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
8079
8080         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8081         * config/m32r/m32r.c (m32r_compute_frame_size,
8082         m32r_expand_prologue): Take current_function_profile into
8083         account whenever we reference
8084         current_function_uses_pic_offset_table.
8085         (m32r_finalize_pic): Remove.
8086         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8087
8088 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
8089
8090         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8091         instead of $<.  Don't remove ./as if it already exists.
8092
8093 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8094
8095         PR target/21723
8096         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8097         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8098         for complex modes when generating code for PA 1.0.
8099         (VALID_FP_MODE_P): New macro.
8100         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
8101         sets for all general and floating point modes.  Align wide floating
8102         point modes to even register boundaries to comply with architectural
8103         requirements.
8104         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8105         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8106         (VALID_FP_MODE_P): New macro.
8107         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
8108         sets for all general and floating point modes.  Align wide floating
8109         point modes to even register boundaries to comply with architectural
8110         requirements.
8111
8112 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8113
8114         * tree-dump.c (dump_files): Initialize dump number for .cgraph
8115         to 0.
8116
8117 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8118
8119         * tree-ssa-structalias.c: Don't include expr.h.
8120
8121 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8122
8123         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8124         comments.
8125
8126 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
8127
8128         Fix PR tree-optimization/22279
8129
8130         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8131         correct operator.
8132
8133 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
8134
8135         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8136
8137 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
8138
8139         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8140         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8141         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8142         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8143         config/stormy16/stormy16.c, config/v850/v850.c,
8144         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8145         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8146         Avoid "." or "\n" at end of diagnostics and capital letters at
8147         start of diagnostics.
8148         * combine.c, cse.c: Don't translate dump file output.
8149         * toplev.c (print_version): Only translate output if going to
8150         stderr.
8151
8152 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
8153
8154         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8155         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8156         typos.
8157
8158 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8159
8160         * pa.c (fix_range): Fix typo in comment.
8161
8162 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
8163
8164         * tree-vrp.c (extract_range_from_assert): Replace
8165         fold (build (...)) with fold_build2.
8166
8167 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8168
8169         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8170         gcc_gfc_char_table, init_dynamic_gfc_info): New.
8171         (format_types_orig, handle_format_attribute): Add support for
8172         format "gcc_gfc".
8173
8174 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8175
8176         * varasm.c (assemble_variable): Fix format specifier thinko.
8177
8178 2005-07-03  Ira Rosen  <irar@il.ibm.com>
8179
8180         PR tree-optimization/22029 (and 22135)
8181         * tree-pretty-print.c (dump_generic_node): Check that the node is not
8182         a phi node before calling dump_vops.
8183
8184 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8185
8186         * tree-dump.h (dump_string_field): Declare.
8187         * tree-dump.c: Use it instead of dump_string.
8188         (dump_string_field): Make non-static.
8189
8190 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8191
8192         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8193         up the minimal CFG stuff always when optimize > 0.  Call
8194         split_all_insns_noflow in PIC case if needed.
8195
8196 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8197             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8198
8199         PR c++/18279
8200         * c-decl.c (c_write_global_declarations): Dump contents of
8201         external scope to.
8202         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8203         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8204         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8205         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8206         is enabled.
8207
8208 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
8209
8210         * c-common.h (GCC_DIAG_STYLE): Define.
8211         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
8212         version for format checking to 4.1.
8213         * c-format.c: Include toplev.h after c-common.h.
8214         (enum format_type): Add gcc_tdiag_format_type.
8215         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8216         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8217         (format_types_orig): Add gcc_tdiag.
8218         (init_dynamic_diag_info): Support gcc_tdiag formats.
8219         (handle_format_attribute): Likewise.
8220         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8221         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
8222         version for format checking to 4.1.
8223         (warning0, warning, error, pedwarn, sorry): Use
8224         ATTRIBUTE_GCC_DIAG.
8225         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8226         (finish_aliases_1): Do not use %qE.
8227         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8228         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8229         Correct format bugs.
8230         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8231         parameter to unsigned HOST_WIDE_INT.
8232         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8233
8234 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
8235
8236         PR middle-end/21742
8237         * expr.c (write_complex_part): Use adjust_address for MEM.
8238         (read_complex_part): Same.
8239
8240 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
8241
8242         Fix PR tree-optimization/22280
8243
8244         * tree-sra.c (generate_element_init): Remove useless loop.
8245
8246 2005-07-02  Richard Henderson  <rth@redhat.com>
8247
8248         * config/alpha/alpha.c (alpha_legitimize_address): Check for
8249         TLS_MODEL_NONE.
8250         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8251
8252 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
8253
8254         PR middle-end/14490
8255         * fold-const.c (fold_binary): Handle the return value of
8256         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8257         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8258
8259 2005-07-02  Jeff Law  <law@redhat.com>
8260
8261         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8262         a eliminate type conversion which feeds an equality comparison
8263         if the original type or either operand in the comparison is a
8264         function pointer.
8265
8266 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
8267
8268         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8269         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8270         texts.
8271         * config/avr/avr.c: Do not use '`' as left quote.
8272         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8273         Remove "." from end of diagnostics.  Make diagnostics start with
8274         lowercase letter.
8275
8276 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
8277             Joseph S. Myers  <joseph@codesourcery.com>
8278
8279         * toplev.c (default_tree_printer): Handle setting location with
8280         '+' flag.
8281         * c-objc.common.c (c_tree_printer): Likewise.
8282         * c-format.c (gcc_diag_flag_specs): Add '+'.
8283         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8284         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8285         formats.
8286         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8287         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8288         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8289         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8290         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8291         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
8292         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
8293         format arguments where %J is used without %D.
8294
8295 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
8296
8297         * gcc.c (LINK_SSP_SPEC): Define.
8298         (link_ssp_spec): New variable.
8299         (LINK_COMMAND_SPEC): Add %(link_ssp).
8300         (static_specs): Add link_ssp_spec.
8301         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8302         * configure: Rebuilt.
8303         * config.in: Rebuilt.
8304
8305         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8306         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8307         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8308         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8309         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8310         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8311         -0x7008(2) instead of reading __stack_chk_guard variable.
8312         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8313         number.
8314         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8315         (stack_protect_set, stack_protect_test): Use *_tls* patterns
8316         if TARGET_THREAD_SSP_OFFSET is defined.
8317         (stack_tls_protect_set_si, stack_tls_protect_set_di,
8318         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8319
8320         Revert:
8321         2005-06-27  Richard Henderson  <rth@redhat.com>
8322         * libgcc-std.ver (GCC_4.1.0): New.
8323         * libgcc.h (__stack_chk_guard): Declare.
8324         (__stack_chk_fail, __stack_chk_fail_local): Declare.
8325         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8326         * mklibgcc.in (lib2funcs): Add them.
8327
8328 2005-07-01  Richard Henderson  <rth@redhat.com>
8329
8330         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8331         void * before struct sigcontext *.
8332         (x86_fallback_frame_state): Likewise.
8333
8334 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
8335
8336         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8337
8338 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
8339
8340         PR tree-opt/22269
8341         * tree-ssa-reassoc.c (should_transpose): Fix which operand
8342         we check for SSA_NAME for.
8343
8344 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
8345
8346         Fix PR tree-optimization/22071
8347
8348         * tree-ssa-structalias.c (offset_overlaps_with_access): New
8349         function.
8350         (get_constraint_for_component_ref): Use it.
8351
8352 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
8353
8354         PR other/22264
8355         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8356         print out the last new line.
8357
8358 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
8359
8360         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8361         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8362         * config/cris/cris.c (cris_conditional_register_usage): Adjust
8363         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8364         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8365         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8366         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8367         (enum reg_class): New member CC0_REGS.
8368         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8369         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8370         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8371         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8372         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8373         Adjust for register now described.
8374
8375 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
8376
8377         PR target/22262
8378         * config/i386/i386.md (stack_protect_test_si,
8379         stack_protect_test_di): Add earlyclobber for scratch 3.
8380         * config/rs6000/rs6000.md (stack_protect_testsi,
8381         stack_protect_testdi): Add earlyclobber for scratch 3,
8382         remove earlyclobber from scratch 4.
8383
8384 Older entries for 2005 can be found in ChangeLog-2005.