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