1 2005-11-04 Richard Guenther <rguenther@suse.de>
3 * tree-flow.h (ref_contains_indirect_ref): Rename to
4 array_ref_contains_indirect_ref.
5 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
6 (array_ref_contains_indirect_ref): Make comment match the code
8 (ref_contains_array_ref): Likewise.
9 * tree-ssa-structalias.c (find_func_aliases): Remove call to
10 ref_contains_indirect_ref.
11 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12 Rename calls to ref_contains_indirect_ref.
14 2005-11-04 Paul Brook <paul@codesourcery.com>
16 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
17 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
18 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
19 * config/arm/arm.md: Use match_operand in peephole input templates
20 and match_dup in peephole output templates.
22 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
24 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
27 2005-11-04 Mark Mitchell <mark@codesourcery.com>
28 Daniel Jacobowitz <dan@codesourcery.com>
30 * longlong.h (add_ssaaaa): Clobber condition code register
32 (sub_ddmmss): Likewise.
33 (umul_ppmm): Likewise.
35 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
36 Paul Brook <paul@codesourcery.com>
37 Phil Blundell <pb@reciva.com>
39 * configure.ac: Add test for ARM TLS support.
40 * configure: Regenerated.
41 * config/arm/arm-protos.h (legitimize_tls_address)
42 (arm_tls_referenced_p, tls_mentioned_p)
43 (arm_output_addr_const_extra): New prototypes.
44 (thumb_legitimize_pic_address): Delete.
45 * config/arm/arm.c: Include "gt-arm.h".
46 (enum tls_reloc): New.
47 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
48 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
49 (arm_call_tls_get_addr, legitimize_tls_address)
50 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
51 (arm_init_tls_builtins, arm_emit_tls_decoration)
52 (arm_output_addr_const_extra): New functions.
53 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
54 (TARGET_HAVE_TLS): Define.
55 (target_thread_pointer): New.
56 (arm_override_options): Handle -mtp=.
57 (legitimize_pic_address): Ignore UNSPECs.
58 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
60 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
61 (tls_get_addr_libfunc): New variable.
62 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
63 (arm_init_builtins): Call arm_init_tls_builtins.
64 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
65 (arm_encode_section_info): Call default_encode_section_info.
66 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
67 (enum arm_tp_type): New.
68 (target_thread_pointer): Add declaration.
69 (LEGITIMATE_CONSTANT_P): Handle TLS.
70 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
71 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
72 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
73 * config/arm/arm.md: Add UNSPEC_TLS.
75 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
77 (tls_load_dot_plus_eight): New insn and a peephole to create it.
78 (load_tp_hard, load_tp_soft): New insns.
80 * doc/invoke.texi (ARM Options): Document -mtp.
82 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
84 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
85 * config/arm/libunwind.S: Include "lib1funcs.asm".
86 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
87 (LIB2ADDEH): Add libunwind.S.
88 (LIB2ADDEHDEP): Add lib1funcs.asm.
89 * mklibgcc.in: Handle asm files in libgcc_eh.a.
91 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
94 * gcc/c.opt: Add a -lang-fortran option.
95 * gcc/c-opts.c: Add a lang_fortran flag.
96 (c_common_init_options): Handling the -lang-fortran option.
97 (c_common_handle_option): Add a case for Fortran options in
98 preprocessing. Remove cases for -ffixed-form and
99 -ffixed-line-length. Add a case for -lang-fortran.
101 2005-11-03 David Edelsohn <edelsohn@gnu.org>
103 * config/rs6000/rs6000.c: Include params.h
104 (optimization_options): Set max-grow-copy-bb-insns default to 16.
105 (bdesc_2arg): Delete vpkuhss and vpkuwss.
106 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
107 (UNSPEC_VPKUWSS): Delete.
108 (altivec_vpkuhss): Delete.
109 (altivec_vpkuwss): Delete.
110 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
112 (neg_eq0<mode>): Remove final condition.
113 (neg_eq<mode>): Remove condition and split-condition.
115 2005-11-04 Alan Modra <amodra@bigpond.net.au>
117 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
118 Use associated print macros.
120 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
123 * diagnostic.c (diagnostic_set_info_translated): New function.
124 (diagnostic_set_info): Use it. Add comment.
125 * diagnostic.h (diagnostic_set_info_translated): Declare.
127 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
129 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
130 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
131 reference only if 'public' is true.
132 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
133 emit the .hidden directive only if the indirect reference is public.
134 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
135 Pass it to dw2_force_const_mem.
136 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
137 * dwarf2out.c (output_cfi): Adjust calls to above function.
138 (output_call_frame_info): Likewise.
139 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
140 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
142 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
144 PR tree-optimization/24483
145 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
146 field to elts if possible.
148 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
151 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
154 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
156 Fix PR tree-optimization/24351
158 * tree-ssa-structalias.c (struct variable_info): Add
160 (get_varinfo_fc): New function to follow collapsing.
161 (new_var_info): Set collapsed_to to NULL.
162 (dump_constraint): Follow collapsing.
163 (build_constraint_graph): Handle collapsing.
164 (do_simple_structure_copy): Return false if something bad
166 (collapse_rest_of_var): New function.
167 (do_structure_copy): Collapse if do_simple_structure_copy returns
170 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
173 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
174 expressions to a statement list instead of gimplifying them.
176 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
178 PR rtl-optimization/23585
179 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
180 that can't trap plus a constant integer, if the mode has zero size.
182 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
185 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
187 ("*insv<mode>_reg_extimm"): Likewise.
189 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
192 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
193 c_common_type_for_mode returns an unnamed type.
195 2005-11-02 Richard Henderson <rth@redhat.com>
199 * dwarf2out.c (dwarf2out_reg_save_reg): New.
200 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
201 * function.c (assign_parms): Use calls.internal_arg_pointer.
202 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
204 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
205 (TARGET_CALLS): Add it.
206 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
207 * targhooks.c (default_internal_arg_pointer): New.
208 * targhooks.h (default_internal_arg_pointer): Declare.
209 * tree.h (dwarf2out_reg_save_reg): Declare.
210 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
211 * config/i386/i386.c (dbx_register_map): Add return column.
212 (dbx64_register_map, svr4_dbx_register_map): Likewise.
213 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
214 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
215 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
216 (ix86_save_reg): Save force_align_arg_pointer.
217 (ix86_emit_save_regs): Make regno unsigned.
218 (ix86_emit_save_regs_using_mov): Likewise.
219 (ix86_expand_prologue): Handle force_align_arg_pointer.
220 (ix86_expand_epilogue): Likewise.
221 * config/i386/i386.h: (dbx_register_map): Update.
222 (dbx64_register_map, svr4_dbx_register_map): Update.
223 (struct machine_function): Add force_align_arg_pointer.
224 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
225 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
226 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
228 2005-11-02 Jan Hubicka <jh@suse.cz>
231 * i386.md: Add peep2 for simplyfing array accesses.
233 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
236 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
237 * config/s390/s390.c (s390_decompose_shift_count): New function.
238 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
239 (print_shift_count_operand): Use s390_decompose_shift_count.
240 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
241 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
243 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
246 * loop.c (loop_givs_rescan): Use force_operand to expand
249 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
252 * fold-const.c (build_range_check): Use unsigned when signed
253 overflow is undefined also. If etype is subtype, make sure that
254 the subtraction is in the supertype.
256 2005-11-02 Richard Henderson <rth@redhat.com>
259 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
262 2005-11-01 Richard Henderson <rth@redhat.com>
265 * loop.c (scan_loop): Do not propagate computations to a hard
266 register destination with SMALL_REGISTER_CLASSES.
268 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
270 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
271 costs for MULT inside PLUS or MINUS.
273 2005-11-01 Bob Wilson <bob.wilson@acm.org>
275 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
276 (TRAMPOLINE_SIZE): Round up to 60.
277 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
279 2005-10-31 James E. Wilson <wilson@specifix.com>
282 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
283 ifdef. Put ifdefs around call in gen_subprogram_die.
284 (compute_frame_pointer_to_cfa_displacement): Likewise.
285 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
288 PR rtl-optimization/17356
289 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
290 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
292 2005-10-31 Jan Hubicka <jh@suse.cz>
295 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
298 * i386.c (legitimize_pic_address): Deal with large immediates.
301 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
302 from symbol names while computing checkup.
305 * predict.c (predict_loops): Do not estimate more than
306 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
307 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
309 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
311 PR tree-optimization/19097
312 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
314 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
316 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
318 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
321 * tree-inline.c (setup_one_parameter): If the init_stmt
322 is NULL, don't insert the statement.
324 2005-10-30 Jan Hubicka <jh@suse.cz>
326 PR tree-optimization/24172
327 * tree-inline.c (copy_body_r): Unshare the substituted value first.
329 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
331 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
332 constants for hosts with long != 32 bits.
334 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
337 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
339 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
341 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
342 (TARGET_MS1_16_002): New.
343 (TARGET_MS1_16_003): New.
345 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
346 ("*decrement_and_branch_until_zero_no_clobber"): New.
347 Add corresponding splitter for decrement_and_branch_until_zero
349 Key all decrement_and_branch_until_zero patterns off of
352 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
355 * tree-complex.c (extract_component): Treat RESULT_DECL
356 like the rest of the decls.
358 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
360 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
361 indirect call to _mcount if the function needs a static chain.
363 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
364 Caroline Tice <ctice@apple.com>
366 PR rtl-optimization/24460
367 * dwarf2out.c (have_switched_text_sections): New boolean variable.
368 (dwarf2out_switch_text_section): Set it to true instead of
369 incrementing separate_line_info_table_in_use.
370 (output_loc_list): Additionally test have_switched_text_sections.
371 (output_ranges): Likewise.
372 (dwarf2out_finish): Likewise.
373 * varasm.c (assemble_start_function): Do not call
374 insert_section_boundary_note.
375 (assemble_end_function): If flag_reorder_blocks_and_partition,
376 switch to the function's section before emitting the .size directive.
377 * bb-reorder.c (insert_section_boundary_note): Staticify.
378 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
379 * output.h (insert_section_boundary_note): Delete.
381 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
384 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
385 instead of pointer equality when comparing types.
387 2005-10-24 James E. Wilson <wilson@specifix.com>
389 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
390 add_dependence_list_and_free calls.
392 2005-10-24 Steven Bosscher <stevenb@suse.de>
394 * contrib.texi: Add the names of the LLNL folks who donated
395 Cray pointer support for gfortran.
397 2005-10-24 Steven Bosscher <stevenb@suse.de>
399 PR tree-optimization/24225
400 * profile.c (branch_prob): Look from end to start through a
401 basic block when looking for a locus.
403 2005-10-24 Richard Henderson <rth@redhat.com>
405 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
407 (hppa_expand_prologue): Likewise.
409 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
411 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
412 (NO_DEFERRED_PROFILE_COUNTERS): Define.
413 * pa.h (NO_PROFILE_COUNTERS): Define.
414 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
415 (funcdef_nos): New vector to hold label numbers of deferred profile
417 (output_deferred_profile_counters): New function.
418 (hppa_profile_hook): Push label number onto funcdef_nos.
419 (pa_hpux_file_end): Call output_deferred_profile_counters if
420 NO_DEFERRED_PROFILE_COUNTERS is false.
422 * pa-protos.h (get_deferred_plabel): New prototype.
423 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
425 (output_call): Adjust calls.
427 2005-10-24 Alan Modra <amodra@bigpond.net.au>
429 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
430 peculiarity of GOT/TOC section usage.
432 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
435 * c-common.c (constant_string_class_name): Add documentation.
437 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
440 * recog.c (peephole2_optimize): Increment peep2_current_count
441 only when the slot is empty.
443 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
446 * except.c (output_function_exception_table): Call
447 assemble_external_libcall if we need a personality function.
449 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
451 PR rtl-optimization/24460
452 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
453 set the basic block for barriers.
455 2005-10-21 Janis Johnson <janis187@us.ibm.com>
457 * var-tracking.c (vt_initialize): Initialize post.
459 2005-10-21 Devang Patel <dpatel@apple.com>
462 * c-common.c (vector_types_convertible_p): Check vector element type.
464 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
466 * config/sh/sh.c (prepare_move_operands): Handle the address
467 constant which is a tls symbolic address plus a constant.
469 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
472 * gcc.c (main): Use the correct counter for erroring out
473 about mulitple files.
475 2005-10-21 Alan Modra <amodra@bigpond.net.au>
478 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
479 use r2 for 64-bit tls .got access.
481 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
483 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
486 2005-10-20 Steven Bosscher <stevenb@suse.de>
488 PR tree-optimization/24307
489 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
491 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
494 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
496 * varasm.c (find_decl_and_mark_needed): After cgraph global info
497 is ready, stop marking functions, but still mark variables.
499 2005-10-20 Richard Guenther <rguenther@suse.de>
502 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
505 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
507 PR rtl-optimization/23585
508 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
509 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
510 (may_trap_p_1): New predicate extracted from...
511 (may_trap_p): ... here. Invoke may_trap_p_1.
512 (may_trap_or_fault_p): New predicate.
513 * rtl.h (may_trap_or_fault_p): Declare it.
514 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
515 instead of may_trap_p.
516 (steal_delay_list_from_fallthrough): Likewise.
517 (fill_simple_delay_slots): Likewise.
518 (fill_slots_from_thread): Likewise.
519 * function.c (pad_to_arg_alignment): Rework comment about
520 SPARC_STACK_BOUNDARY_HACK.
521 * config/sparc/sparc.h: Likewise.
523 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
525 * config/s390/s390.c (s390_expand_insv): New.
526 * config/s390/s390-protos.h (s390_expand_insv): Declare.
527 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
528 ("icm_hi"): Remove mode attribute.
529 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
531 ("*extracthi", "*extractqi"): Remove.
532 (extv<mode>", "*extzv<mode>"): New.
533 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
534 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
536 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
538 * cfgexpand.c (discover_nonconstant_array_refs_r,
539 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
540 (tree_expand_cfg): Call discover_nonconstant_array_refs.
541 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
542 discover_nonconstant_array_refs.
544 2005-10-19 Steven Bosscher <stevenb@suse.de>
547 * c-decl.c (pop_scope): Don't warn about an unused variable
548 if it is marked with TREE_NO_WARNING.
549 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
550 somenow mismatch and olddecl is to be replaced.
552 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
555 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
556 whether registers live on the edge can be saved/restored.
558 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
560 * config/sh/sh.c (fixup_mova): Skip notes.
562 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
564 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
565 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
566 (s390_can_eliminate): Handle BASE_REGNUM elimination.
567 (s390_initial_elimination_offset): Likewise.
568 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
569 register on TARGET_ZARCH targets.
570 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
571 (INITIAL_FRAME_POINTER_OFFSET): Remove.
572 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
573 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
575 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
577 * config/s390/s390.md: Comment describing output modifiers updated.
578 * config/s390/s390.c (print_operand): Likewise.
580 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
582 * config/s390/s390.c (override_options): Added check for -mstack-size
584 * doc/invoke.texi: Mention that limit in the documenation.
586 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
589 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
591 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
593 Fix PR tree-optimization/24231
595 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
596 (compute_avail): Ditto.
598 2005-10-18 Richard Henderson <rth@redhat.com>
601 * config/i386/i386.c (legitimate_constant_p): Check
602 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
604 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
605 (legitimate_pic_address_disp_p): Reorg CONST checking to make
606 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
608 (print_operand_address): Likewise.
609 * config/i386/predicates.md (x86_64_immediate_operand): Test
610 SYMBOL_REF_TLS_MODEL properly inside CONST.
611 (x86_64_zext_immediate_operand): Likewise.
612 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
613 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
614 * config/i386/i386-protos.h: Remove predicates.md entries.
616 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
618 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
619 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
621 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
622 Ian Lance Taylor <ian@airs.com>
625 * fold-const.c (fold_widened_comparison): Do not allow range based
626 constant folding when right operand cannot be unwidened.
628 2005-10-17 Richard Henderson <rth@redhat.com>
630 * builtins.c (expand_builtin_synchronize): Build a new-style asm
631 with a memory clobber.
633 2005-10-17 James E Wilson <wilson@specifix.com>
635 PR rtl-optimization/17356
636 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
637 checking for EDGE_EH.
639 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
641 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
642 the slot on an even boundary for any type with 16-byte alignment.
644 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
647 * md.texi (Modifiers) <%>: Clarify that % doesn't work
648 after register allocation.
650 2005-10-17 DJ Delorie <dj@redhat.com>
652 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
655 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
658 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
661 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
663 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
664 to 2 if it's already non-zero.
665 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
666 is set and warn about it if flag_schedule_insns is 1.
668 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
670 * config/crx/crx.md: Compare-and-branch instructions need to
673 2005-10-17 Uros Bizjak <uros@kss-loka.si>
676 * config/i386/i386.md (*pushdi2_rex64 splitter)
677 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
678 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
679 flow2 pass only when (optimize > 0 && flag_peephole2).
681 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
684 * gcc.c (have_c): New static variable.
686 (process_command): Remove declation of have_c.
687 Set have_o to 1 when handling -o.
688 (main): Add a fatel error if there are multiple
689 files specified and -o and -c/-S is passed witout
690 -combine or multiple languages.
692 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
694 Fix PR tree-optimization/22444
695 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
696 Assert that we don't hit something with subvars.
697 (setup_pointers_and_addressables): Don't add things with subvars,
698 because we'll already process the subvars for aliasing purposes.
700 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
703 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
704 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
705 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
706 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
707 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
708 swapped, alternatives for the R constraint.
711 * builtins.c (get_builtin_sync_mode): Make unlimited
712 mode_for_size request.
714 2005-10-15 Richard Henderson <rth@redhat.com>
716 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
717 (gimplify_expr): ... here.
718 (gimplify_compound_lval): Use it in initial scan loop. Allow
719 fb_lvalue in base expression.
721 2005-10-15 Richard Henderson <rth@redhat.com>
724 * builtins.c (expand_builtin_trap): Export.
725 * expr.h (expand_builtin_trap): Declare.
726 * expr.c (expand_assignment): Emit a trap for integral offsets
727 from registers that weren't reduced to bitpos.
729 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
730 (mark_array_ref_addressable): Remove.
731 * tree-flow.h (mark_array_ref_addressable): Remove.
732 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
734 2005-10-15 James E Wilson <wilson@specifix.com>
737 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
738 (add_dependence_list_and_free): Likewise.
739 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
742 2005-10-15 Diego Novillo <dnovillo@redhat.com>
746 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
747 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
749 (vrp_visit_phi_node): Only prevent infinite iterations when
750 the previous result and the new result are both VR_RANGEs.
752 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
754 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
757 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
760 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
763 2005-10-14 Per Bothner <per@bothner.com>
765 PR preprocessor/21250
766 * c-ppoutput.c (print_line): Print internal line 0 as 1.
768 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
771 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
772 overflow flags. Refactor some conditionals.
774 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
777 * tree-dfa.c (add_referenced_var): Only look at decls which
778 have TREE_CONSTANT or TREE_READONLY set instead of if
779 !TREE_PUBLIC or !TREE_CONSTANT.
781 2005-10-13 James E Wilson <wilson@specifix.com>
783 * doc/invoke.texi: For -x, add f95-cpp-input.
784 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
786 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
788 PR tree-optimization/24262
789 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
790 in loop all the time.
792 2005-10-12 Richard Henderson <rth@redhat.com>
795 * tree.h (DECL_TRANSPARENT_UNION): Remove.
796 * function.c (assign_parm_find_data_types): Don't support it.
797 * print-tree.c (print_node): Likewise.
798 * c-common.c (handle_transparent_union_attribute): Likewise.
799 Use build_duplicate_type.
800 * tree-inline.c (remap_type_1): Split out of remap_type;
801 properly remap aggregate fields.
802 (build_duplicate_type): New.
803 * doc/extend.texi (Variable Attributes): Remove documentation
804 for transparent_union.
806 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
809 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
810 (gen_stack_pointer_dec): Likewise.
812 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
816 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
818 (struct cxx): Add adjust_class_at_definition target hook.
819 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
820 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
821 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
822 hook_void_tree. Add to TARGET_CXX.
823 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
825 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
826 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
827 instead of attribute. Check for dllexport override. Warn if
828 inconsistent dll linkage. Don't lose old dllimport if decl has
829 had address referenced. Tweak lookup of dllimport atribute.
830 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
831 for target specific rules. Don't add dllimport attribute if
832 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
834 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
835 * varasm.c (initializer_constant_valid_p): Replace
836 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
840 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
841 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
842 (i[34567]86-*-mingw32*): Likewise.
844 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
845 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
847 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
848 C++-specific code. Change return value to bool.
849 (i386_pe_dllimport_p): Likewise.
850 (associated_type): Simplify and make language-independent
851 (i386_pe_encode_section_info): Replace override of ambiguous
852 dllimport symbol refs with a gcc_assert.
853 (i386_pe_valid_dllimport_attribute_p): Define.
854 * config/i386/winnt-cxx.c: New file. Define C++ versions of
855 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
856 i386_pe_adjust_class_at_definition.
857 * config/i386/winnt-stubs.c: New file. Define stub versions of
858 lang-specific functions.
859 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
860 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
861 i386_pe_adjust_class_at_definition.
862 (i386_pe_valid_dllimport_attribute_p): Declare.
863 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
864 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
865 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
868 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
869 dllimport attribute with test of DECL_DLLIMPORT_P.
871 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
873 * combine.c (make_extraction): Correct offset computation.
875 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
877 * config/cris/t-linux (LIMITS_H_TEST): Define.
879 2005-10-12 Richard Henderson <rth@redhat.com>
882 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
884 2005-10-12 Richard Guenther <rguenther@suse.de>
886 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
888 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
891 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
892 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
895 2005-10-12 Richard Guenther <rguenther@suse.de>
898 * varasm.c (output_constant): Correct typo from previous
901 2005-10-11 Ian Lance Taylor <ian@airs.com>
903 PR rtl-optimization/13931
904 * combine.c: Revert patch of 2003-05-14, and:
905 (try_combine): Only set elim_i1 and elim_i2 if the destination is
906 completely killed in the appropriate insn.
907 (distribute_notes): Don't skip multiple hard register test for
910 2005-10-11 Richard Henderson <rth@redhat.com>
913 * c-typeck.c (convert_for_assignment): Use build_constructor_single
914 to initialize a transparent union instead of a nop_expr.
916 2005-10-11 Richard Henderson <rth@redhat.com>
918 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
919 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
920 (tree_ssa_dce_loop): Call scev_reset.
923 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
924 * tree-ssa-dce.c: Include cfgloop.h.
925 (tree_ssa_dce_loop, pass_dce_loop): New.
926 * tree-pass.h (pass_dce_loop): Declare it.
927 * passes.c (init_optimization_passes): Use it.
929 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
932 * convert.c (convert_to_real): Revert 2005-10-05 patch.
933 Only apply the optimization for rounding builtins if the inner
934 cast is also an extension.
936 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
939 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
940 mark_new_vars_to_rename instead of update_stmt.
942 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
944 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
946 2005-10-11 Jakub Jelinek <jakub@redhat.com>
948 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
949 for setting MMX register to 0 rather than mmx.
951 2005-10-10 Steve Ellcey <sje@cup.hp.com>
954 * configure.ac: Move gas check from mips specific case to common case.
955 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
956 * configure: Regenerate
957 * doc/install.texi: Update.
959 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
962 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
964 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
966 * gcc.c (do_spec_1): Accept numeric characters in file name
969 2005-10-10 Nick Clifton <nickc@redhat.com>
971 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
972 describing the deleted arm_gen_rotated_half_load function.
974 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
976 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
979 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
981 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
983 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
984 (EXTRA_MULTILIB_PARTS): Define.
985 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
986 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
987 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
988 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
989 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
990 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
992 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
994 PR tree-optimization/24226
995 * tree-cfg.c (remove_bb): Clean up unreachable loops.
996 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
997 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1000 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1002 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1004 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1007 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1008 Rewrite for no need for the early clobber.
1010 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1012 Merge from csl-arm-branch:
1013 2005-09-07 Paul Brook <paul@codesourcery.com>
1014 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1017 2005-04-30 Paul Brook <paul@codesourcery.com>
1018 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1019 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1021 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1022 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1023 (arm_override_options): Use TARGET_AAPCS_BASED.
1024 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1025 (PTRDIFF_TYPE): Use int for AAPCS.
1026 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1027 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1028 (DEFAULT_SHORT_ENUMS): Delete.
1029 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1031 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1032 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1033 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1034 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1036 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1037 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1039 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1040 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1042 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1043 * config.gcc (arm*-*-linux-gnueabi): Add it.
1044 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1046 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1047 * config/arm/linux-eabi.h: New file.
1048 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1049 (LINUX_TARET_LINK_SPEC): Likewise.
1050 (LINK_SPEC): Use it.
1051 * config/arm/t-linux-eabi: New file.
1053 2005-10-08 Steven Bosscher <stevenb@suse.de>
1056 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1058 (PARAM_SMS_DFA_HISTORY): Likewise.
1060 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1063 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1064 (load_register_parameters): Call it.
1065 (check_sibcall_argument_overlap_1): Likewise.
1066 (store_one_arg): Likewise.
1068 2005-10-07 James E. Wilson <wilson@specifix.com>
1070 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1071 DImode not VECINT24 for operand 2.
1074 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1078 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1079 fr_spill): Use destination_operand for operand 0.
1081 2005-10-07 DJ Delorie <dj@redhat.com>
1083 * varasm.c (output_constant): Limit error to expanding
1086 2005-10-07 Richard Guenther <rguenther@suse.de>
1089 * fold-const.c (fold_binary): Fix operand types during folding
1090 of X op (A, Y). Evaluation order of the side-effects of
1091 X and A are frontend-defined, so ensure we honour that even for
1092 tcc_comparison class operands; eased by removing duplicate code.
1094 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1096 * stor-layout.c (layout_type): Do not allow alignment of array
1097 elements to be greater than their size.
1099 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1101 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1103 (hppa*-*-linux*): Ditto.
1104 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1105 * config/host-hpux.c: New.
1106 * config/x-hpux: New.
1107 * config/pa/x-hpux: Remove.
1108 * config/pa/x-linux: Remove.
1109 * config/pa/pa-host.c: Remove.
1111 2005-10-07 Jeff Law <law@redhat.com>
1113 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1114 determine whether or not to try and thread outgoing edges.
1116 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1118 * config/rs6000/rs6000.md (eqsi_power): New.
1119 (neg_eq0si): Add TARGET_POWER to final condition.
1122 2005-10-06 Richard Henderson <rth@redhat.com>
1124 * config/rs6000/rs6000.c: Revert last change.
1126 2005-10-06 Richard Henderson <rth@redhat.com>
1128 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1129 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1131 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1135 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1136 out return_label and naked_return_label.
1138 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1140 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1143 2005-10-06 Richard Henderson <rth@redhat.com>
1146 * tree-inline.c (declare_return_variable): Handle modify_dest not
1149 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1151 Fix PR tree-optimization/22488
1152 * tree-ssa-structalias.c (check_for_overlaps): New function.
1153 (create_variable_info_for): Use it.
1155 2005-10-06 Richard Henderson <rth@redhat.com>
1158 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1159 (dwarf2out_start_source_file): Print it.
1161 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1163 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1165 2005-10-06 Richard Henderson <rth@redhat.com>
1168 * mode-switching.c (optimize_mode_switching): Clear transp bit
1169 for block with incomming abnormal edges.
1171 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1172 (fpscr_set_from_mem): Use them.
1173 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1174 (fpscr postinc splitters): Rewrite as peephole2+split.
1176 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1178 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1179 (eq<mode>_compare): Same.
1181 2005-10-06 Richard Guenther <rguenther@suse.de>
1183 PR tree-optimization/24238
1184 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1186 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1188 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1189 here. Use AC_PATH_PROG for environment variables instead of
1191 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1193 * configure: Regenerated.
1195 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1198 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1199 then force it into a register.
1200 (call_value): Likewise.
1202 2005-10-06 Richard Henderson <rth@redhat.com>
1205 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1206 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1207 under pass_vectorize.
1209 2005-10-05 Devang Patel <dpatel@apple.com>
1212 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1213 handling constants. Check NAMESPACE_DECL context for constants.
1215 2005-10-05 Eric Christopher <echristo@apple.com>
1217 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1219 2005-10-05 Richard Henderson <rth@redhat.com>
1222 * tree-cfg.c (mark_array_ref_addressable_1): New.
1223 (mark_array_ref_addressable): New.
1224 * tree-flow.h (mark_array_ref_addressable): Declare.
1225 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1227 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1231 * reload.c (subst_reloads): When adding a REG_LABEL to a
1232 jump instruction, also update JUMP_LABEL.
1234 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1236 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1237 * bb-reorder.c (copy_bb_p): Use it.
1238 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1240 2005-10-05 Richard Henderson <rth@redhat.com>
1243 * toplev.c (process_options): Warn about unsupported combinations
1244 of unwind tables and omit-frame-pointer.
1245 * config/i386/i386.c (override_options): Similarly. Enable
1246 accumulate-outgoing-args if not explicitly disabled.
1248 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1250 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1251 Handle big endian vs. small endian.
1252 (vec_initv2sf): Handle big endian vs. small endian.
1253 (*vec_extractv2sf_1): Ditto.
1255 2005-10-05 Dale Johannesen <dalej@apple.com>
1257 * convert.c (convert_to_real): Don't convert
1258 (float)floor(double d) to floorf((float)d).
1260 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1262 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1264 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1266 PR tree-optimization/18587
1267 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1268 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1269 build_vuses): Change to VEC type.
1270 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1271 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1272 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1273 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1274 (get_name_decl): New. Return DECL_UID of base variable.
1275 (operand_build_cmp): New. qsort comparison routine.
1276 (operand_build_sort_virtual): New. Sort virtual build vector.
1277 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1278 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1279 (FINALIZE_BASE): Use get_name_decl.
1280 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1281 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1282 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1283 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1284 direct VEC_* manipulations.
1285 (build_ssa_operands): Call operand_build_sort_virtual.
1286 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1287 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1288 with direct VEC_* manipulations.
1289 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1290 with direct VEC manipulations.
1292 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1294 PR tree-optimization/21419
1295 PR tree-optimization/24146
1296 PR tree-optimization/24151
1298 * c-typeck.c (readonly_error): Handle USE being lv_asm.
1299 (build_asm_expr): Call it if outputs are read-only.
1300 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1302 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
1303 Paolo Bonzini <bonzini@gnu.org>
1307 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1308 enable the instructions and not just the built-ins.
1309 * doc/invoke.texi (x86 Options): Likewise.
1311 2005-10-04 Geoffrey Keating <geoffk@apple.com>
1313 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1315 * doc/invoke.texi (Option Summary): Correct spelling
1316 of -mmacosx-version-min.
1318 2005-10-04 Devang Patel <dpatel@apple.com>
1320 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1323 2005-10-04 Steve Ellcey <sje@cup.hp.com>
1325 * tree-vect-transform.c (vect_create_epilog_for_reduction):
1326 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1328 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
1330 * config/s390/s390.md ("TDSI","DP"): New mode macros.
1331 ("TE","tg"): New mode attributes.
1332 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1333 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1334 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1335 dword_mode and one for GPRmode.
1337 2005-10-04 Ian Lance Taylor <ian@airs.com>
1339 PR preprocessor/13726
1340 * c-ppoutput.c (cb_include): Add comments parameter, and print out
1341 any comments passed in.
1343 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1345 * tree.c (annotate_with_file_line): Fix typo.
1347 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1350 * builtins.c (fold_builtin_memcmp): When constructing the pointer
1351 type used to access data in the inlined length == 1 case, use
1352 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1353 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1355 2005-10-04 Uros Bizjak <uros@kss-loka.si>
1357 * config/i386/i386.h (TARGET_FISTTP): Enable also for
1358 TARGET_SSE3 and only for TARGET_80387.
1359 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1360 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1361 Do not depend on TARGET_80387.
1363 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1365 * tree.c (last_annotated_node): Change type to location_t*.
1366 (annotate_with_file_line): Reflect the change of
1367 last_annotated_node type.
1369 2005-10-04 Richard Guenther <rguenther@suse.de>
1372 * c-decl.c (grokdeclarator): Don't write to fields
1375 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1378 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1380 * varasm.c (make_decl_rtl): If a register variable does not
1381 have a set user assmbler name, error out.
1382 Decode the asmspec is now name+1 bypassing '*'.
1384 2005-10-04 Steven Bosscher <stevenb@suse.de>
1386 PR tree-optimization/23049
1387 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1388 of a COND_EXPR is folded before calling fold on the whole rhs of a
1389 conditional assignment.
1390 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1391 document that a COND_EXPR may appear there.
1393 2005-10-03 Diego Novillo <dnovillo@redhat.com>
1396 * tree-vrp.c (extract_range_from_assert): If the new numeric
1397 range created out of the assertion contradicts the existing
1398 numeric range of the ASSERT_EXPR variable, make the new range
1401 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
1403 * config/sh/sh.c (sh_register_move_cost): Add case for moving
1404 from T_REGS to FP register class.
1406 2005-10-03 Richard Henderson <rth@redhat.com>
1409 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1410 before creating a new one.
1412 2005-10-03 David Edelsohn <edelsohn@gnu.org>
1414 * config/rs6000/t-aix43 (LDFLAGS): New.
1415 * config/rs6000/t-aix52 (LDFLAGS): New.
1417 2005-10-03 Ian Lance Taylor <ian@airs.com>
1419 * gimplify.c (find_single_pointer_decl_1): New static function.
1420 (find_single_pointer_decl): New static function.
1421 (internal_get_tmp_var): For a formal variable, set restrict base
1422 information if appropriate.
1423 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1425 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1426 (DECL_GET_RESTRICT_BASE): Define.
1427 (SET_DECL_RESTRICT_BASE): Define.
1428 (decl_restrict_base_lookup): Declare.
1429 (decl_restrict_base_insert): Declare.
1430 (struct tree_decl_with_vis): Add based_on_restrict_p field.
1431 * tree.c (restrict_base_for_decl): New static variable.
1432 (init_ttree): Initialize restrict_base_for_decl.
1433 (copy_node_stat): Copy restrict base information.
1434 (decl_restrict_base_lookup): New function.
1435 (decl_restrict_base_insert): New function.
1436 (print_restrict_base_statistics): New static function.
1437 (dump_tree_statistics): Call print_restrict_base_statistics.
1439 2005-10-02 Diego Novillo <dnovillo@redhat.com>
1442 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1443 case of anti-ranges.
1445 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
1448 * c-typeck.c (tagged_tu_seen): Rename to ...
1449 (tagged_tu_seen_cache): this and add val field.
1450 (comptypes): Move functional to comptypes_internal
1451 and free tagged_tu_seen.
1452 (comptypes_internal): New function and call comptypes_internal
1453 instead of comptypes. Speed up by sibcalling
1454 tagged_types_tu_compatible_p.
1455 (alloc_tagged_tu_seen): New function
1456 (free_all_tagged_tu_seen_up_to): New function.
1457 (tagged_types_tu_compatible_p): Return the val of the seen two
1459 Add that the two types are the same to tagged_tu_seen_base
1460 if they are and call comptypes_internal instead of comptypes.
1461 <case UNION_TYPE>: Speed up common type where the fields are
1463 (function_types_compatible_p): Call comptypes_internal instead of
1465 (type_lists_compatible_p): Likewise.
1466 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1468 2005-10-02 Matthias Klose <doko@debian.org>
1470 * doc/invoke.texi: Fix typo and speling error.
1472 2005-10-01 Richard Henderson <rth@redhat.com>
1474 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1476 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1478 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1479 using --start-group and --end-group.
1481 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1483 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1484 FIXME note regarding quirky semantics.
1486 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1489 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1490 non-null range as a last resort.
1492 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
1493 Diego Novillo <dnovillo@redhat.com>
1496 * tree-vrp.c (extract_range_from_assert): For !=
1497 assertions, only build an anti-range if LIMIT is a
1498 single-valued range.
1500 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
1502 * arm.md (movqi): On thumb when optimizing, handle loading from
1503 memory by describing this as taking a subreg of a zero-extended load
1504 into an SImode register.
1507 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
1509 * reload1.c (merge_assigned_reloads): Do not change any
1510 RELOAD_FOR_OUTPUT_ADDRESS reloads.
1512 2005-09-30 Geoffrey Keating <geoffk@apple.com>
1514 * Makefile.in (LIPO_FOR_TARGET): Define.
1515 (STRIP_FOR_TARGET): Define.
1517 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1518 before creating new ones. Do symlinks before creating the actual
1521 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1522 to work out which multilibs are actually being built.
1524 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
1526 * tree-vect-transform.c, config/ms1/ms1.md,
1527 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1528 Follow spelling conventions.
1529 * doc/invoke.texi, doc/md.texi: Fix typos.
1531 2005-09-30 Andrew Macleod <amacleod@redat.com>
1533 PR tree-optimization/21430
1534 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1535 use operands, and set stmt pointer if need be.
1536 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1537 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1540 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1543 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1545 2005-09-29 Mark Mitchell <mark@codesourcery.com>
1547 * optabs.c (expand_binop): Initialize first_pass_p.
1549 2005-09-29 Jakub Jelinek <jakub@redhat.com>
1552 * c-decl.c (c_write_global_declarations_1): If any
1553 wrapup_global_declaration_2 call returned true, restart the loop.
1555 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
1557 Fix PR tree-optimization/24117
1558 * tree-ssa-structalias.c (find_func_aliases): Strip nops
1559 before considering whether to use anyoffset.
1561 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1565 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1567 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1569 (swap_commutative_operands_with_target): New.
1571 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1574 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1577 2005-09-29 Steven Bosscher <stevenb@suse.de>
1579 PR tree-optimization/23911
1580 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1581 and IMAGPART_EXPR too.
1583 2005-09-28 Mark Mitchell <mark@codesourcery.com>
1586 * expmed.c (expand_shift): Move logic to reverse rotation
1587 direction when rotating by constants ...
1588 * optabs.c (expand_binop): ... here.
1589 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1590 (ix86_rotrdi3): New pattern.
1591 (rotldi3): Handle 32-bit mode.
1592 (ix86_rotldi3): New pattern.
1594 2005-09-29 Alan Modra <amodra@bigpond.net.au>
1597 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1598 check for numbers that need no bit twiddle.
1600 2005-09-28 Geoffrey Keating <geoffk@apple.com>
1602 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1603 multilib to be built.
1605 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1606 (stage1-start): Delete old libgcc and libunwind before moving
1607 anything into the stage directory.
1608 (stage2-start): Likewise.
1609 (stage3-start): Likewise.
1610 (stage4-start): Likewise.
1611 (stageprofile-start): Likewise.
1612 (stagefeedback-start): Likewise.
1613 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1614 header in tm_file and CPU-specific t-darwin in tmake_file.
1615 (i[34567]86-*-darwin*): Don't change tm_file.
1616 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1617 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1618 shared library stub for target OS version.
1619 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1620 (SHLIB_LINK): Don't make SHLIB_SOLINK.
1621 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1622 (libgcc_s.%.dylib): New.
1624 (install-darwin-libgcc-stubs): New.
1625 (INSTALL_LIBGCC): New append.
1626 * config/i386/darwin-libgcc.10.4.ver: New.
1627 * config/i386/darwin-libgcc.10.5.ver: New.
1628 * config/i386/t-darwin: New.
1629 * config/rs6000/darwin-libgcc.10.4.ver: New.
1630 * config/rs6000/darwin-libgcc.10.5.ver: New.
1631 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1632 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1634 2005-09-28 Paul Brook <paul@codesourcery.com>
1636 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1639 2005-09-28 Richard Guenther <rguenther@suse.de>
1641 PR tree-optimization/23853
1642 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1643 host_integerp to verify misalignment value.
1645 2005-09-28 Richard Henderson <rth@redhat.com>
1647 * builtins.c (get_builtin_sync_mode): New.
1648 (expand_builtin_sync_operation): Pass in mode argument.
1649 (expand_builtin_compare_and_swap): Likewise.
1650 (expand_builtin_lock_test_and_set): Likewise.
1651 (expand_builtin_lock_release): Likewise.
1652 (expand_builtin): Update to match.
1654 2005-09-28 Nick Clifton <nickc@redhat.com>
1656 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1657 formatting. Add check to PLUS case to ensure that the offset is
1658 within an acceptable range.
1660 * config/v850/v850.md (casesi): Disable the generation of the
1661 switch pattern as it is not being handled properly at the moment.
1663 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1664 for when the high words are identical.
1666 2005-09-27 Richard Henderson <rth@redhat.com>
1668 * pretty-print.c (pp_base_format): Fix typo for %>.
1670 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
1671 Devang Patel <dpatel@apple.com>
1673 PR tree-optimization/23625
1674 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1675 LABEL_EXPR, assertion check.
1677 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
1679 * optabs.c (no_conflict_move_test): Check if a result of a
1680 to-be-moved insn would be clobbered by an originally
1683 2005-09-27 Jeff Law <law@redhat.com>
1685 * passes.c (init_optimization_passes): Replace copy propagation
1686 passes immediately after DOM with phi-only copy propagation
1687 pases. Add phi-only copy propagation pass after first DOM pass.
1688 * tree-pass.h (pass_phi_only_copy_prop): Declare.
1689 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1690 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1691 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
1692 to init_copy_prop. Callers updated.
1693 (do_phi_only_copy_prop): New function.
1694 (pass_phi_only_copy_prop): New pass descriptor.
1696 2005-09-27 Nick Clifton <nickc@redhat.com>
1698 * libgcc2.c (__popcount_tab): Remove redundant prototype.
1700 2005-09-26 Jason Merrill <jason@redhat.com>
1703 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1705 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1707 2005-09-26 James E Wilson <wilson@specifix.com>
1709 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1710 copyright. Add gcc copyright plus libgcc exception.
1711 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
1713 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1715 2005-09-26 Jeff Law <law@redhat.com>
1717 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1718 about when to iterate.
1720 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
1723 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1724 for __complex__ double in -mcpu=G5 mode.
1726 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
1728 PR tree-optimization/23942
1729 * Makefile.in (SCEV_H): Depends on PARAMS_H.
1730 * tree-scalar-evolution.c: Include params.h.
1732 (follow_ssa_edge, follow_ssa_edge_in_rhs,
1733 follow_ssa_edge_in_condition_phi_branch,
1734 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1735 Change return type to t_bool. Use a parameter to limit the size of
1736 trees that are walked before stopping
1737 (analyze_evolution_in_loop): Initialize the limit to 0.
1738 (follow_ssa_edge): Give up by returning t_dont_know if the limit
1739 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1741 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1744 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1745 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1747 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
1749 * combine.c (make_extraction): Check for valid use of subreg.
1751 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1754 * config/i386/i386.md ("*fistdi2_1"): New pattern.
1755 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1756 ("fist<mode>2_with_temp"): Use only register operands.
1758 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
1760 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1761 CALL_INSN_FUNCTION_USAGE.
1763 2005-09-26 Richard Guenther <rguenther@suse.de>
1766 * gcse.c: Include hashtab.h, define ldst entry hashtable.
1767 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1768 (ldst_entry): Use the hashtable instead of list-walking.
1769 (find_rtx_in_ldst): Likewise.
1770 (free_ldst_entry): Free the hashtable.
1771 (compute_ld_motion_mems): Create the hashtable.
1772 (trim_ld_motion_mems): Remove entry from hashtable if
1773 removing it from list.
1774 (compute_store_table): Likewise^2.
1775 (store_motion): Free hashtable in case we did not see
1778 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
1780 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1781 and arg1 if we are passing them to fold_build2.
1783 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
1786 * config/i386/i386.c (ix86_function_regparm): Fix the test for
1789 2005-09-25 Richard Henderson <rth@redhat.com>
1791 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1792 SYMBOL_REF_TLS_MODEL to be correct.
1794 2005-09-24 Richard Henderson <rth@redhat.com>
1796 * ipa-type-escape.c (discover_unique_type): Remove dead code at
1797 end of function. Reindent.
1799 2005-09-24 Ian Lance Taylor <ian@airs.com>
1801 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1802 NEGATE_EXPR/BIT_NOT_EXPR case.
1804 2005-09-24 Richard Henderson <rth@redhat.com>
1806 * c-common.c (handle_mode_attribute): When not modifying in place,
1807 create subtypes for enumerations.
1808 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1809 * gimplify.c (create_tmp_from_val): Likewise.
1811 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
1813 * config/i386/i386.md (*tls_global_dynamic_64,
1814 *tls_local_dynamic_base_64): Add missing mode to call.
1815 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1817 2005-09-24 Jan Hubicka <jh@suse.cz>
1819 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1820 (cgraph_clone_node): Likewise.
1821 * cgraph.h (cgraph_clone_edge): Update prototype.
1822 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1823 duplicated prototypes; add updating argument.
1824 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1825 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1827 (cgraph_mark_inline_edge): Likewise.
1828 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1829 (cgraph_flatten_node): Likewise.
1830 (cgraph_decide_recursive_inlining): Likewise.
1831 (cgraph_decide_inlining_of_small_function): Likewise.
1832 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1834 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1835 Pete Steinmetz <steinmtz@us.ibm.com>
1837 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1838 (rldic.): Set type to "compare".
1840 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
1841 mfjmpr for MFCTR/MFLR.
1842 (movdf_hardfloat64): Same.
1843 (movdf_softfloat64): Same. Correct order of store and move types.
1844 (movti_string): Set type to store_ux/load_ux.
1845 (load_multiple): Set type to load_ux.
1846 (store_multiple): Set type to store_ux.
1847 (movmemsi): Set type to store_ux.
1848 (output_cbranch direct_return): Set type to jmpreg.
1849 (stmw): Set type to store_ux.
1850 (lmw): Set type to load_ux.
1851 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1852 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1853 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1854 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1855 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1856 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1857 (rios1-fpstore): Increase latency to 3.
1858 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1859 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1861 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1862 Andrew Pinski <pinskia@physics.uc.edu>
1864 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1865 operand2 constraint to "b".
1866 (sync_<fetchop_name>di_internal): Same.
1867 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1869 (sync_old_<fetchop_name>di_internal): Same.
1870 (sync_new_<fetchop_name>si_internal): Same.
1871 (sync_new_<fetchop_name>di_internal): Same.
1873 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
1876 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1877 case, define as macros.
1879 PR rtl-optimization/23837
1880 * optabs.c (no_conflict_move_test): Don't set must_stay for a
1881 clobber / clobber match between dest and p->first.
1883 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1884 (no_conflict_move_test): Update comments.
1886 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1888 * doc/install.texi: Update URL for Jacks.
1889 * doc/sourcebuild.texi: Likewise.
1891 2005-09-22 David Edelsohn <edelsohn@gnu.org>
1894 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1895 registers when choosing register preferences.
1896 (movdf_hardfloat64): Same.
1898 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
1900 * expmed.c (expand_shift): Don't use the target of the rotate as
1901 target for the first expanded shift insn.
1902 * testsuite/gcc.dg/20050922-1.c: Testcase added.
1904 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
1906 PR tree-optimization/22438
1907 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1908 preserved iv rhs rewriting specially.
1910 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
1912 * tree-data-ref.c (analyze_array_indexes): Only estimate when
1913 estimate_only is true.
1914 * tree-flow.h (ref_contains_indirect_ref): New prototype.
1915 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1916 tree-ssa-structalias.c
1917 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1918 ref_contains_indirect_ref.
1919 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1921 2005-09-21 DJ Delorie <dj@redhat.com>
1923 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1925 (mn10300_return_in_memory): Support variable size types also.
1926 (mn10300_pass_by_reference): Likewise.
1927 (mn10300_function_value): New.
1928 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1929 (FUNCTION_OUTGOING_VALUE): Likewise.
1930 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1931 * doc/invoke.texi: Document it.
1933 2005-09-21 Uros Bizjak <uros@kss-loka.si>
1936 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1937 force integer op1 into register for XFmode compares.
1939 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1942 * expmed.c (alg_code): Add alg_impossible.
1943 (alg_hash_entry): Add cost.
1944 (synth_mult): Record alg_impossible in the hash table if
1945 multiplication by a given integer is impossble within the
1946 limit. Speed up using alg_impossible.
1948 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1950 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1951 argument. Allow and set any offset if needs_anyoffset is passed
1953 (get_constraint_for): Add argument here too.
1955 (do_structure_copy): Pass NULL to get_constraint_for.
1956 (handle_ptr_arith): Ditto.
1957 (find_func_aliases): Ditto.
1959 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
1961 PR rtl-optimization/23898
1962 * output.h (get_attr_min_length): Declare.
1963 * final.c (get_attr_length_1): New function, broken out of:
1965 (get_attr_min_length): New function.
1966 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1967 (duplicate_computed_gotos): Likewise.
1968 * genattr.c (insn_min_length): Generate declaration.
1969 * genattrtab.c (min_fn, min_attr_value): New functions.
1970 (make_length_attrs): Generate insn_min_length.
1972 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1974 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1976 2005-09-20 Richard Henderson <rth@redhat.com>
1978 PR tree-optimization/24059
1979 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1982 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1984 * c.opt (fextended-identifiers): New.
1985 * c-opts.c (c_common_handle_option): Handle
1986 -fextended-identifiers.
1987 * doc/cpp.texi: Update documentation of extended identifiers.
1988 * doc/cppopts.texi (-fextended-identifiers): Document.
1990 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1992 PR tree-optimization/23929
1993 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1996 PR tree-optimization/23818
1997 * tree-stdarg.c (execute_optimize_stdarg): Call
1998 calculate_dominance_info.
2000 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2002 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2003 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2004 (compute_overlap_steps_for_affine_1_2): Use
2005 get_number_of_iters_for_loop.
2006 (analyze_subscript_affine_affine): Check whether difference is
2008 Use get_number_of_iters_for_loop.
2009 Check whether overlap occurs outside of bounds.
2010 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2012 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2014 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2015 base register if possible.
2017 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2019 PR tree-optimization/18463
2020 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2021 converting it directly is not possible.
2022 (chrec_convert_aggressive): New function.
2023 * tree-chrec.h (chrec_convert_aggressive): Declare.
2024 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2025 Fold chrec conversions aggressively if asked to.
2026 (instantiate_parameters): Modified because of changes in
2027 instantiate_parameters_1.
2029 2005-09-19 Richard Henderson <rth@redhat.com>
2031 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2032 (reduc_splus_v2df): New.
2034 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2036 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2037 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2039 2005-09-19 Richard Henderson <rth@redhat.com>
2041 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2044 2005-09-19 Richard Henderson <rth@redhat.com>
2046 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2047 (ia64_expand_dot_prod_v8qi): New.
2048 * config/ia64/ia64-protos.h: Update.
2049 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2050 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2051 sdot_prodv8qi, sdot_prodv4hi): New.
2052 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2054 2005-09-19 Richard Henderson <rth@redhat.com>
2057 * real.c (exact_real_truncate): Return false if the format cannot
2058 represent the number as a normal.
2060 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2061 for a memory source.
2063 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2065 * tree-ssa-operands.c (swap_tree_operands): Export.
2066 * tree.h (swap_tree_operands): Declare.
2067 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2068 Call swap_tree_operands.
2070 2005-09-19 Richard Henderson <rth@redhat.com>
2072 * tree-flow.h (merge_alias_info): Declare.
2073 * tree-ssa-copy.c (merge_alias_info): Export.
2074 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2075 (vect_create_data_ref_ptr): Use create_iv directly.
2076 (vectorizable_load): Use correct types for integer constants.
2077 (vect_generate_tmps_on_preheader): Likewise.
2078 (vect_gen_niters_for_prolog_loop): Likewise.
2080 2005-09-19 Steven Bosscher <stevenb@suse.de>
2082 PR rtl-optimization/23943
2083 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2085 2005-09-18 Jan Hubicka <jh@suse.cz>
2087 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2089 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2091 * varasm.c (output_constant): Do not abort on conversions to union
2092 types between different sizes.
2094 2005-09-18 Richard Guenther <rguenther@suse.de>
2097 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2100 2005-09-18 Paul Brook <paul@codesourcery.com>
2102 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2104 2005-09-17 Richard Henderson <rth@redhat.com>
2106 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2107 * tree-ssa-loop.c (pass_vect_dce): Remove.
2108 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2111 2005-09-17 Richard Henderson <rth@redhat.com>
2113 * tree-pass.h (pass_vect_dce): Declare.
2114 * passes.c (init_optimization_passes): Add it.
2115 * tree-flow.h (tree_ssa_dce): Declare.
2116 * tree-ssa-dce.c (tree_ssa_dce): Export.
2117 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2118 (gate_tree_vectorize): ... here.
2119 (pass_vect_dce): New.
2121 2005-09-17 Jan Hubicka <jh@suse.cz>
2123 * except.c (struct eh_status): Turn region_array into vec.
2124 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2125 convert_from_eh_region_ranges, find_exception_handler_labels,
2126 current_function_has_exception_handlers, assign_filter_values,
2127 build_post_landing_pads, dw2_build_landing_pads,
2128 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2129 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2130 foreach_reachable_handler, can_throw_internal_1,
2131 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2133 (duplicate_eh_region_1): Update region_array.
2134 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2136 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2139 * expmed.c (expand_mult): Substitute simple register for op0 when
2142 2005-09-17 Richard Henderson <rth@redhat.com>
2144 * expr.c (emit_move_via_integer): Add force argument, pass it on
2145 to emit_move_change_mode. Update callers.
2146 (emit_move_complex): Pass true to new force argument.
2147 * function.c (expand_function_end): Move expand_eh_return call
2148 earlier. Merge sub-word complex values into a pseudo before
2149 copying to the return hard register.
2151 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2153 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2154 between different sizes.
2156 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2160 * passes.c (init_optimization_passes): Register dump files for
2163 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2165 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2166 * config/s390/s390.c (s390_overlap_p): New function.
2167 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2168 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2171 2005-09-16 Richard Guenther <rguenther@suse.de>
2173 * ipa-pure-const.c (static_execute): Free auxiliar information.
2174 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2175 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2177 2005-09-15 DJ Delorie <dj@redhat.com>
2179 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2181 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2183 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2185 (swap_commutative_operands_with_target): New.
2187 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2189 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2192 (estimate_iters_using_array): New function.
2193 * tree-data-ref.h (estimate_iters_using_array): Prototype
2194 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2195 Use estimate_iters_using_array instead of analyze_array.
2197 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2199 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2202 2005-09-15 Michael Matz <matz@suse.de>
2204 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2206 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2208 PR tree-optimization/23835
2209 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2210 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2212 2005-09-14 Richard Henderson <rth@redhat.com>
2214 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2215 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2217 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2219 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2220 in the ARRAY_TYPE case.
2222 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2224 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2226 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2229 * tree-vect-transform.c (vectorizable_operation): Return false for
2230 scalar shift operations and for vector shift operations with
2231 non-invariant shift arguments. Use scalar tree operand op1 as
2232 a shift operand when vector shift insn pattern uses scalar shift
2234 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2236 2005-09-14 Olivier Hainque <hainque@adacore.com>
2238 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2239 value if it has side-effects.
2241 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2244 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2246 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2248 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2249 passed as NAME as if it were label at start of function code.
2251 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2253 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2256 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2258 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2259 as early clobber. Rewrite so the PIC register is not implicitly used.
2261 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2263 * tree.c (annotate_with_file_line): Compare line numbers before
2266 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2269 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2270 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2272 2005-09-13 Ian Lance Taylor <ian@airs.com>
2274 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2275 than a HOST_WIDEST_INT to gen_doloop_begin.
2277 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2279 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2281 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2283 PR tree-optimize/23817
2284 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2286 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2289 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2290 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2291 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2292 (restore_stack_nonlocal): Likewise.
2293 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2295 2005-09-12 Ian Lance Taylor <ian@airs.com>
2298 * c.opt (ffriend-injection): New C++ option.
2299 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2300 (C++ Dialect Options): Document -ffriend-injection.
2302 2005-09-12 Josh Conner <jconner@apple.com>
2305 * ipa-reference.c (static_execute): Don't mark variables in
2306 named sections TREE_READONLY.
2308 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2310 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2313 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2315 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2316 V_MUST_DEF instead of just the first_use_p.
2317 Don't mark the virtual variables for renaming on the statement which
2319 (pass_dse): Remove TODO_update_ssa.
2321 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
2324 * stor-layout.c (compute_record_mode): For records with a single
2325 field, actually check the field's mode size against the type size.
2327 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2328 registers for TARGET_SHMEDIA.
2329 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2330 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
2331 of GENERAL_REGS and FP_REGS.
2333 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
2335 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2337 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2339 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2340 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2341 are omitted. Exclude stack_tie insn too.
2343 2005-09-11 David Edelsohn <edelsohn@gnu.org>
2345 PR rtl-optimization/23098
2346 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2348 * config/rs6000/rs6000.md (movdf splitter): Use
2349 const_double_operand predicate for TARGET_POWERPC64.
2350 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2351 SYMBOL_REF method to ABI_V4.
2353 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2354 replace_equiv_address.
2355 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2356 rs6000_sr_alias_set and MEM_NOTRAP.
2357 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2359 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
2361 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2362 handle CALL_EXPR again.
2364 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
2366 * arm/predicates.md (alignable_memory_operand): Delete.
2368 2005-09-10 Richard Henderson <rth@redhat.com>
2371 * dbxout.c (dbxout_expand_expr): New.
2372 (dbxout_symbol): Use it.
2374 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
2376 * arm.c (arm_gen_rotated_half_load): Delete.
2377 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2378 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2379 (thumb_set_return_address): Likewise.
2380 (thumb_load_double_from_address): Use adjust_address.
2381 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2382 (extendhsisi2_mem, movhi_bytes): Use change_address.
2383 (movhi): Use widen_memory_access.
2384 (reload_out_df): Use replace_equiv_address.
2385 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2387 2005-09-09 Richard Henderson <rth@redhat.com>
2390 * dbxout.c: Include expr.h.
2391 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2392 (dbxout_symbol): Handle DECL_VALUE_EXPR.
2393 * Makefile.in (dbxout.o): Add EXPR_H.
2395 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
2397 PR tree-optimization/23509
2398 * tree-cfg.c (replace_uses_by): Use replace_exp.
2399 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2400 pointers have name_mem_tag or type_mem_tag set.
2402 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2404 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2405 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2406 of wrongly accessing operands.
2408 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2410 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2411 * tree-chrec.c: Include tree-scalar-evolution.h.
2412 (chrec_convert): Instantiate the base and step before calling
2413 scev_probably_wraps_p that would fail on parametric evolutions.
2414 Collect all the fails into a single section failed_to_convert,
2415 print a diagnostic, and return chrec_dont_know instead of calling
2417 * tree-scalar-evolution.c (loop_closed_phi_def): New.
2418 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2420 (scev_const_prop): Don't replace the definition of a loop closed ssa
2421 phi node by itself, or by another loop closed ssa phi node.
2422 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2423 that base and step are defined.
2425 2005-09-09 Richard Guenther <rguenther@suse.de>
2428 * fold-const.c (fold_ternary): Check truth_value_p before
2429 calling invert_truthvalue.
2431 2005-09-09 Nick Clifton <nickc@redhat.com>
2433 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2434 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2435 dimension of these arrays.
2436 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2438 * longlong.h: Only provide a prototype for the __clz_tab[] array
2439 if this header has not been included from libgcc2.h.
2440 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2442 Provide prototypes for exported functions.
2443 Use the __clz_tab[] and __popcount_tab[] arrays provided by
2446 2005-09-08 Josh Conner <jconner@apple.com>
2450 * expr.c (expand_expr_addr_expr_1): Don't invoke
2451 expand_simple_binop for EXPAND_INITIALIZER.
2453 2005-09-08 Richard Henderson <rth@redhat.com>
2456 * toplev.c (wrapup_global_declaration_1): Split out ...
2457 (wrapup_global_declaration_2): ... from ...
2458 (wrapup_global_declarations): ... here. Return bool.
2459 (check_global_declaration_1): Split out ...
2460 (check_global_declarations): from here.
2461 (emit_debug_global_declarations): New.
2462 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2463 check_global_declaration_1, emit_debug_global_declarations): Declare.
2464 * c-decl.c (c_write_global_declarations_1): Don't create a vector
2465 of decls. Call wrapup_global_declaration_1,
2466 wrapup_global_declaration_2, check_global_declaration_1 directly.
2467 (c_write_global_declarations_2): New.
2469 (c_write_global_declarations): Call c_write_global_declarations_2.
2470 * langhooks.c (write_global_declarations): Call
2471 emit_debug_global_declarations.
2473 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2474 remove decls that have DECL_RTL_SET_P.
2475 * passes.c (rest_of_decl_compilation): Invoke
2476 cgraph_varpool_finalize_decl for all but functions.
2478 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2480 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2481 the result of a conversion if the new min and max cannot be compared.
2483 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
2485 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2486 (override_options): Setting s390_sr_alias_set removed.
2487 (save_fpr, save_gprs): Set alias set to vararg or frame.
2488 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2489 s390_sr_alias_set with get_frame_alias_set ().
2490 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2491 get_varargs_alias_set ().
2493 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2497 * c-parser.c (c_parser_objc_method_definition): If the next
2498 token is not "{", error out and don't start the function.
2500 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2502 * tree-vrp.c (extract_range_from_expr): Move the check for non
2503 nullness after the check for gimple invariant.
2505 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2507 * tree.c (host_integerp, tree_low_cst): Correct function comment.
2509 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2512 * config/m32r.md (movmemsi_internal): Canonicalize order of
2513 operands in PLUS component of template.
2515 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
2517 * reload1.c (fixup_eh_region_note): Remove assertion.
2518 (fixup_abnormal_edges): Reverted removal of call to
2519 find_many_sub_basic_blocks made on 2005-08-31.
2521 2005-09-07 Richard Henderson <rth@redhat.com>
2523 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2524 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2525 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2526 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2527 rearrange for better packing.
2528 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2529 (lookup_cfa_1): Remove inline marker.
2530 (cfa_equal_p): Split out of ...
2531 (def_cfa_1): ... here. Use INVALID_REGNUM.
2532 (build_cfa_loc): Handle !cfa->indirect.
2533 (frame_pointer_cfa_offset): New.
2534 (dbx_reg_number): Assert register elimination performed; do
2535 leaf register remapping.
2536 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2537 (eliminate_reg_to_offset): New.
2538 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
2539 for verifiably local stack frame addresses; re-base to CFA.
2540 (mem_loc_descriptor): Remove can_use_fbreg argument.
2541 (concat_loc_descriptor, loc_descriptor): Likewise.
2542 (containing_function_has_frame_base): Remove.
2543 (rtl_for_decl_location): Don't do register elimination or
2544 leaf register remapping here.
2545 (secname_for_decl): Split out from ..
2546 (add_location_or_const_value_attribute): ... here.
2547 (convert_cfa_to_loc_list): New.
2548 (compute_frame_pointer_to_cfa_displacement): New.
2549 (gen_subprogram_die): Use them.
2550 * tree.h (frame_base_decl): Remove.
2551 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2552 (prologue_stack_adjust): Remove.
2553 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2554 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2555 (set_frame_base_location): Remove.
2556 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2557 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2558 (vt_add_function_parameters): Don't eliminate_regs.
2559 (vt_initialize): Don't create frame_base_decl.
2561 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2563 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2564 version of GNU binutils for 4.x and later.
2566 2005-09-06 Mark Mitchell <mark@codesourcery.com>
2568 * ggc-page.c (ggc_push_context): Remove.
2569 (ggc_pop_context): Likewise.
2570 * ggc.h (ggc_push_context): Remove.
2571 (ggc_pop_context): Likewise.
2573 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2576 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2577 returning from an interrupt handler.
2579 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2582 * config/arc/arc.c (output_shift): Add check for loop count when
2585 2005-09-06 Steven Bosscher <stevenb@suse.de>
2587 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2589 (abs_replacement): Likewise.
2590 (pass_phiopt): Remove TODO_update_ssa.
2592 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2595 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2596 if "return with no value, in function returning non-void" warning
2598 * tree-cfg.c (execute_warn_function_return): Don't look at
2599 RETURN_EXPRs with TREE_NO_WARNING set.
2602 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2603 for internal functions doesn't use registers used by global registers
2604 variables. Use fewer register parameters if there are global register
2607 2005-09-06 Olivier Hainque <hainque@adacore.com>
2608 Eric Botcazou <ebotcazou@adacore.com>
2611 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2612 when we would be extracting outside its bit span (bitpos+bitsize
2613 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2614 Ada unchecked conversions.
2616 2005-09-06 Steven Bosscher <stevenb@suse.de>
2618 * tree-ssa-pre.c (try_look_through_load): New function.
2619 (compute_avail): Use it to try to look through loads for some
2620 more useful expressions.
2622 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2624 * simplify-rtx.c (simplify_binary_operation_1): Correct the
2625 condition for detecting cases like (a&a) and (a^a).
2627 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
2629 * common.opt: Add option ftree-vect-loop-version.
2630 * params.def: Add --param vect-max-version-checks.
2631 * doc/invoke.texi: Document ftree-vect-loop-version and
2632 --param vect-max-version-checks.
2633 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2634 may_misalign_stmts and defines for accessors.
2635 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2636 LOOP_VINFO_MAY_MISALIGN_STMTS.
2637 (destroy_loop_vec_info): VEC_free for
2638 LOOP_VINFO_MAY_MISALIGN_STMTS.
2639 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2640 Update documentation.
2641 (vect_update_misalignment_for_peel): New.
2642 (vect_enhance_data_refs_alignment): Update to choose loop
2643 peeling or loop versioning if appropriate for the (potentially)
2644 unaligned data references in the loop.
2645 (vect_analyze_data_refs_alignment): Remove call to
2646 vect_enhance_data_refs_alignment so the checks can be done
2648 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2649 and move up call to vect_analyze_data_refs_alignment.
2650 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2651 (vect_transform_loop): Add call to loop_version.
2653 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2655 PR rtl-optimization/23098
2656 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2657 * simplify-rtx.c (constant_pool_reference_p): New function.
2658 * rtl.h (constant_pool_reference_p): New prototype.
2659 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2660 constant_pool_reference_p in condition and
2661 avoid_constant_pool_reference in preparation statements.
2663 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
2665 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2666 STRICT_LOW_PART SETs.
2668 2005-09-06 Alan Modra <amodra@bigpond.net.au>
2671 * except.c (sjlj_emit_function_enter): Find the function begin
2672 note even when it's not in first basic block.
2674 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
2676 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
2677 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2678 * aclocal.m4: Regenerate.
2680 2005-09-05 DJ Delorie <dj@redhat.com>
2682 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2685 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
2687 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2688 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2689 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2690 Follow spelling conventions.
2691 * doc/invoke.texi: Follow spelling conventions.
2693 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2695 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2696 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2697 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2699 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2702 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2703 (output_stack_adjust): Use gen_tmp_stack_mem.
2704 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2705 (sh_set_return_address, sh_allocate_initial_value): Likewise.
2706 (sh_get_pr_initial_val): Likewise.
2707 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2708 (sh_initialize_trampoline): Likewise. Also use adjust_address.
2709 * sh.md (divsi_inv_m0): Use gen_const_mem.
2710 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2711 (movdf_i4+1): Use gen_tmp_stack_mem.
2712 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2713 (fpu_switch+2): Likewise.
2714 (movv4sf_i, movv16sf_i): Use adjust_address.
2715 (symGOT_load): Set MEM_NOTRAP_P bit.
2717 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2720 * pa.c (emit_move_sequence): Fix typo in last change.
2722 2005-09-03 Jakub Jelinek <jakub@redhat.com>
2724 PR rtl-optimization/23454
2725 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2728 2005-09-03 Richard Henderson <rth@redhat.com>
2729 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2732 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2735 2005-09-02 Nicolas Pitre <nico@cam.org>
2737 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2738 to bit_count to 32 bits.
2740 2005-08-31 Mark Mitchell <mark@codesourcery.com>
2743 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2744 generating synthetic loads from volatile lvalues.
2746 005-09-02 Nick Clifton <nickc@redhat.com>
2748 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2749 __ctzhi2, __clzhi2): New functions.
2751 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
2754 * tree-nested.c (struct var_map_elt): Mark with GTY.
2755 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
2757 (lookup_field_for_decl): Allocate new element in GC memory.
2758 (lookup_tramp_for_decl): Likewise.
2759 (convert_nl_goto_reference): Likewise
2760 (create_nesting_tree): Allocate info in GC memory. Likewise for
2762 (free_nesting_tree): Free with ggc_free instead of free.
2763 (root): New static variable.
2764 (lower_nested_functions): Remove root as local variable. And zero out
2765 root at the end of the function.
2767 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
2769 PR rtl-optimization/20365
2770 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2771 to short. New member ix.
2772 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2773 (simplify_plus_minus): Initialize ix members before calling qsort.
2775 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
2777 PR tree-optimization/23626
2778 * tree-cfg.c (replace_uses_by): Clean up eh info.
2780 2005-09-01 DJ Delorie <dj@redhat.com>
2782 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2785 2005-09-01 David Edelsohn <edelsohn@gnu.org>
2787 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2788 (rs6000_split_multireg_move): Use replace_equiv_address instead of
2791 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
2793 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
2794 do not issue warning for a variable definition following
2797 2005-09-01 Richard Henderson <rth@redhat.com>
2800 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2801 conversion to CONST_VECTOR.
2803 2005-09-01 Richard Henderson <rth@redhat.com>
2806 * reload1.c (reload_as_needed): Check !CALL_P before calling
2807 fixup_eh_region_note.
2808 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2810 2005-09-01 DJ Delorie <dj@redhat.com>
2812 * varasm.c (output_constant): Let the target resolve
2813 conversions of addresses to non-default pointer sizes.
2815 2005-09-01 Nicolas Pitre <nico@cam.org>
2817 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2818 to alow matching ARM pre-indexed addressing mode.
2819 (arm_override_options): Remove now irrelevant comment.
2821 2005-09-01 Phil Edwards <phil@codesourcery.com>
2823 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
2824 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
2825 * config/i386/vxworks.h: Likewise.
2826 * config/i386/t-vxworksae: New file, for VxWorks AE.
2827 * config/i386/vxworksae.h: Likewise.
2829 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
2831 PR tree-optimization/23410
2832 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2833 sequence is not wrapping during the first step.
2835 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2838 * dwarf2out.c (base_type_die): Compare char_type_node with
2839 TYPE_MAIN_VARIANT (type), not type.
2841 2005-09-01 Richard Guenther <rguenther@suse.de>
2843 PR tree-optimization/15366
2844 * common.opt: Add -finline-functions-called-once.
2845 Put -fearly-inlining in alphabetically ordered place.
2846 * doc/invoke.texi: Document new option.
2847 * ipa-inline.c (cgraph_decide_inlining): Honour
2848 flag_inline_functions_called_once.
2850 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2852 PR rtl-optimization/23478
2853 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2854 (alloc_qty): Initialize it.
2855 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2856 (combine_regs): Combine also n_throwing_calls_crossed fields.
2857 (find_free_reg): Don't attempt to caller-save pseudos crossing
2858 calls that might throw.
2859 * global.c (struct allocno): Add throwing_calls_crossed field.
2860 (global_alloc): Revert 2005-08-22 change. Initialize
2861 throwing_calls_crossed.
2862 (find_reg): Don't attempt to caller-save pseudos crossing calls that
2865 2005-09-01 Alan Modra <amodra@bigpond.net.au>
2868 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2869 (mask64_operand): Reinstate code prior to 2005-06-11 change.
2870 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2871 (and64_2_operand): Tweak to use predicate.
2872 (and_operand): Adjust for mask_operand changes.
2873 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2874 (print_operand): Likewise.
2875 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2876 (mask64_1or2_operand): Delete.
2877 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2878 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2879 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2880 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2881 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2882 (rotldi3_internal4): Likewise.
2883 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2884 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2885 (ashldi3_internal7): Likewise.
2886 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2887 (ashldi3_internal, ashldi3_internal9 split): Likewise.
2888 (anddi3 split): Don't match mask64_operand.
2889 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
2890 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
2891 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
2892 't' splitter predicate.
2893 (movdi_internal64 + 2): Revert 2005-06-11 change.
2895 2005-08-31 DJ Delorie <dj@redhat.com>
2897 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2898 (m32c_asm_integer): Add support for 32 bit pointers.
2900 2005-08-31 Richard Henderson <rth@redhat.com>
2902 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2903 component-like references for setting MEM_NOTRAP_P.
2905 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2906 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2908 2005-08-31 Richard Henderson <rth@redhat.com>
2910 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2911 into a pseudo before applying gen_lowpart.
2913 2005-08-31 Geoffrey Keating <geoffk@apple.com>
2915 * doc/install.texi (Specific): Update cctools version required
2916 for full functionality.
2917 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2918 linkers as -macosx_version_min.
2920 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
2923 * sh.c (print_operand, %R and %S): Add handling of floating point
2924 registers, memory, constants and invalid operands.
2926 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
2928 * ipa-pure-const.c: Change dump name.
2930 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2933 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2934 to "reg_or_0_operand".
2935 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2937 2005-08-31 Dale Johannesen <dalej@apple.com>
2939 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
2940 loops that count down.
2942 2005-08-31 Richard Henderson <rth@redhat.com>
2945 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2946 (fixup_eh_region_note): New.
2947 (reload_as_needed): Call it.
2948 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2949 don't call find_many_sub_basic_blocks; call verify_flow_info.
2950 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2951 (keep_stack_depressed): Likewise.
2952 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2954 2005-08-31 Richard Henderson <rth@redhat.com>
2956 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2959 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
2961 * expr.c (expand_expr_real_1): Compare size of address
2962 mode to target's address mode size in deciding expansion of
2963 the constant address.
2965 2005-08-31 Richard Guenther <rguenther@suse.de>
2968 * expr.c (all_zeros_p): New function.
2969 (expand_expr_real_1): Handle the case of an all-zero
2970 non-addressable constructor separately.
2972 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2974 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2975 arguments, adjust all callers.
2976 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2978 2005-08-30 Richard Henderson <rth@redhat.com>
2981 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2982 whenever the mode sizes match.
2984 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2986 * calls.c (load_register_parameters): Fix comment typo.
2987 * expr.c (emit_push_insn): Comment formatting.
2989 2005-08-30 Ian Lance Taylor <ian@airs.com>
2991 * config/i386/x-cygwin (host-cygwin): Change dependency from
2992 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2994 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2996 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2999 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3002 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3003 call to ggc_collect.
3005 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3008 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3009 beginning. Remove $(INCLUDES) from all the rules, if following
3010 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3012 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3015 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3016 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3017 not constant, but maxlen is, don't set len to maxlen, rather
3018 set maxlen to len if len is a constant.
3020 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3022 PR tree-optimization/23475
3023 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3026 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3028 Fix PR middle-end/22455
3030 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3031 Checksum only the parts of the tree that exist for the tree code.
3033 2005-08-28 Dale Johannesen <dalej@apple.com>
3035 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3037 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3039 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3041 2005-08-28 Richard Henderson <rth@redhat.com>
3043 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3044 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3047 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3050 * builtins.c (get_memory_rtx): Don't strip nops
3051 in between COMPONENT_REFs.
3053 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3056 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3058 (gimplify_modify_expr): Check for zero sized types and gimplify the
3059 rhs and lhs as statements.
3061 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3064 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3065 state for return address column of signal frames.
3067 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3070 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3071 bytes >= 2 not bytes == 2.
3072 (expand_block_move): Same.
3074 2005-08-27 Richard Guenther <rguenther@suse.de>
3077 * config/i386/sse.md (sse2_movsd): Add missing closing
3080 2005-08-27 Paul Brook <paul@codesourcery.com>
3082 * genrecog.c (enum decision_type): Add DT_num_insns.
3083 (struct decision_test): Add u.num_insns.
3084 (add_to_sequence): Add DT_num_insns test.
3085 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3086 (write_cond, debug_decision_2): Ditto.
3087 (change_state): Assume peep2_next_insn never fails.
3088 Remove "afterward" argument.
3089 (write afterward, write_tree): Update to match.
3090 * recog.c (peep2_current_count): New variable.
3091 (peep2_next_insn): Check it.
3092 (peephole2_optimize): Set peep2_current_count.
3093 * recog.h (peep2_current_count): Declare.
3095 2005-08-26 Josh Conner <jconner@apple.com>
3098 * ipa-pure-const.c (check_tree): Check for volatile-ness
3099 when considering a dereference.
3101 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3103 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3105 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3107 PR rtl-optimization/23561
3108 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3109 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3110 at most LEN bytes long memory fits into the field.
3111 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3112 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3113 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3115 2005-08-26 Richard Henderson <rth@redhat.com>
3118 * loop.c (biased_biv_may_wrap_p): New.
3119 (maybe_eliminate_biv_1): Use it to suppress non-equality
3120 comparison transformations. Delete disabled code.
3122 2005-08-26 Ian Lance Taylor <ian@airs.com>
3124 * combine.c (make_extraction): Avoid reference outside object.
3126 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3128 * stor-layout.c (finalize_type_size): Restore behaviour for
3129 non-aggregate types to the status quo ante of the patch for
3130 pr 23467. Document why it matters.
3132 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3135 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3136 array by one element, initialize the BT_LAST element with NULL.
3138 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3140 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3141 optimizing for size.
3143 (compare_plus_eqsi): Same.
3144 (plus_eqsi_compare): Same.
3145 (neg_eq0<mode>): Same.
3146 (neg_eq<mode>): Same.
3148 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3151 2005-08-26 Nick Clifton <nickc@redhat.com>
3153 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3154 TARGET_EP is not defined.
3155 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3156 TARGET_EP is enabled.
3157 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3158 * config/v850/v850.md (save_all_interrupt): Only use the EP
3159 register if TARGET_EP is defined.
3160 (restore_all_interrupt): Likewise.
3161 * config/v850/lib1funcs.asm: Update functions so that the EP
3162 register is only used if __EP__ is defined.
3164 2005-08-26 David Ung <davidu@mips.com>
3166 * config/mips/mips.c (mips_expand_prologue): Handle case when
3167 generating for MIPS16 and the outgoing argument area is more than
3168 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3171 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3173 * config/crx/crx.md: Make doloop_end pattern usage controllable
3174 via mloop-nesting=<max-nesting> command line switch. Make sure
3175 the combiner cannot use doloop_end_<mode> in an illegal way.
3176 * config/crx/crx.c: Use regs up to r6 for argument passing.
3177 Refine crx_address_cost (non cst4 displacements are expensive).
3178 * config/crx/crx.opt: Add switch for mloop-nesting=.
3180 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3182 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3183 (UNSPEC_MVST): New constant.
3185 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3187 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3188 Reject operands containing eliminable registers.
3189 * testsuite/gcc.dg/20050825-1.c: New testcase.
3191 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3192 Jan Hubicka <jh@suse.cz>
3194 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3196 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3198 PR tree-optimization/23546
3199 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3202 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3204 * params.def (PARAM_MIN_SPEC_PROB): New.
3205 * sched-rgn.c (MIN_PROBABILITY): Delete.
3206 (compute_trg_info): Convert to PARAM_VALUE.
3207 * doc/invoke.texi (param): Document min-spec-prob.
3209 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3211 * config/darwin.h: define __PIC__
3212 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3213 TARGET_OS_CPP_BUILTINS macro.
3215 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3217 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3220 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3222 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3224 * cfghooks.c (duplicate_block): Added position where to place
3225 new block as argument.
3226 * cfghooks.h (duplicate_block): Declaration changed.
3227 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3229 * cfglayout.h (copy_bbs): Declaration changed.
3230 * cfgloop.h (loop_version): Declaration changed.
3231 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3232 position to copy_bbs.
3233 (loop_version): Pass position to duplicate_loop_to_header_edge.
3234 Add place_after argument and position new blocks according to
3236 * modulo-sched.c (sms_schedule): Pass place_after argument
3238 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3239 * tree-cfg.c (split_edge_bb_loc): New function.
3240 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3241 to determine position of new blocks.
3242 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3244 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3245 argument to duplicate_block.
3246 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3247 Pass position to copy_bbs.
3249 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3251 * fold-const.c (ptr_difference_const): Use
3252 cst_and_fits_in_hwi instead of host_integerp.
3254 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3256 * config/darwin.c (gen_pic_offset): New.
3257 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3260 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3262 PR tree-optimization/23486
3263 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3265 2005-08-23 Phil Edwards <phil@codesourcery.com>
3267 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3268 remove use_collect2.
3269 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3271 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3272 configuration files to override the default value.
3274 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3275 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3276 * config/vx-common.h: New file, split out from...
3277 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3278 * config/vxworksae.h: New file, for VxWorks AE.
3279 * config/vxworks.opt: New file.
3280 * config/vxlib.c: Update for VxWorks 6.
3282 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3283 other MULTILIB_* variables appropriately.
3284 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3285 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3286 * config/rs6000/vxworks.h: Update for VxWorks 6.
3287 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3289 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3292 * config/darwin.c (machopic_select_section): Remove the hack to
3293 mark "::operator new" and "::operator delete" for coalescing
3294 even though they are not weak.
3296 2005-08-24 Alan Modra <amodra@bigpond.net.au>
3298 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3299 * configure: Regenerate.
3301 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3304 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3306 * convert.c (convert_to_integer, convert_to_vector): Likewise.
3307 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3310 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3312 * config/rs6000/predicates.md (equality_operator): New.
3313 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3314 comparison with a large constant.
3316 2005-08-23 Mark Mitchell <mark@codesourcery.com>
3318 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3320 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
3322 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3323 registers is even, and we have a hardware double precision fp,
3325 (sh_gimplify_va_arg_expr): For floating point arguments, consider
3326 size of current argument when checking if argument was passed in
3329 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3332 * stor-layout.c (finalize_type_size): Dont override
3333 existing alignment with a smaller alignment from the mode.
3335 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3337 * lambda-code.c (lambda_vector_lexico_pos): Moved...
3338 * lambda.h (lambda_vector_lexico_pos): ... here.
3339 * tree-data-ref.c (build_classic_dist_vector): Return false when
3340 the distance vector is lexicographically negative.
3342 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3344 PR tree-optimization/23511
3345 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3346 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3348 2005-08-23 Jakub Jelinek <jakub@redhat.com>
3350 PR tree-optimization/22043
3351 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3352 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3353 If ALLOW_FLEXARR, handle types ending with flexible array member.
3354 Pass false as second argument to recursive count_type_elements calls.
3355 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3356 argument to count_type_elements call.
3357 * tree-sra.c (decide_block_copy): Likewise.
3358 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3359 for a constant-sized object, set cleared as well. Pass true as
3360 second argument to count_type_elements call.
3362 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3365 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3366 from legitimate_small_data_p, and make global. Update use.
3367 Remove forward declaration.
3368 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3370 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3372 2005-08-23 David Edelsohn <edelsohn@gnu.org>
3374 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3375 of scratch intermediates.
3376 (eq<mode>_compare): Same.
3377 (neg_eq0<mode>): New.
3378 (neg_eq<mode>): Convert to define_insn_and_split.
3380 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3383 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3384 stdarg functions, set/clear the fp marker even when no variable
3386 * config/rs6000/sysv4.opt (mprototype): Describe.
3388 2005-08-22 Jakub Jelinek <jakub@redhat.com>
3390 PR rtl-optimization/23478
3391 * regs.h (reg_info): Add throw_calls_crossed.
3392 (REG_N_THROWING_CALLS_CROSSED): Define.
3393 * flow.c (allocate_reg_life_data): Initialize
3394 REG_N_THROWING_CALLS_CROSSED.
3395 (propagate_one_insn, attempt_auto_inc): Update
3396 REG_N_THROWING_CALLS_CROSSED.
3397 * global.c (global_alloc): Don't allocate pseudos across
3398 calls that may throw.
3400 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
3403 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3404 value is inbetween the range if we did not find an exact match.
3406 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
3408 * doc/invoke.texi (Option Summary): Add ms1 options.
3409 * doc/extend.texi: Document interrupt handler attribute for ms1.
3410 * doc/md.texi: Document ms1 constraints.
3411 * config.gcc: Add ms1-*-elf.
3412 * config/ms1/ms1.h: New.
3413 * config/ms1/ms1.c: New.
3414 * config/ms1/ms1.md: New.
3415 * config/ms1/ms1-protos.h: New.
3416 * config/ms1/ABI.txt: New.
3417 * config/ms1/crti.asm: New.
3418 * config/ms1/crtn.asm: New.
3419 * config/ms1/lib2extra-funcs.c: New.
3420 * config/ms1/t-ms1: New.
3421 * config/ms1/ms1.opt: New.
3423 2005-08-22 Ira Rosen <irar@il.ibm.com>
3425 * config/rs6000/altivec.md (xorv4sf3): New.
3426 (negv4sf2, neg<mode>2): Likewise.
3428 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
3431 * config/ia64/ia64.md (divsi3): Check divide by zero.
3432 (udivsi3): Likewise.
3434 (udivdi3): Likewise.
3436 2005-08-21 Jakub Jelinek <jakub@redhat.com>
3438 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3439 up to elem_bitsize bits, not max_bitsize.
3441 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3443 PR tree-optimization/23433
3444 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3445 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3447 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3449 PR tree-optimization/23434
3450 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3451 the iteration bound is not an INTEGER_CST.
3453 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
3455 * tree-vect-transform.c (get_initial_def_for_reduction): Set
3456 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3457 NULL if need_epilog_adjust is false.
3458 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3459 Case 3 always peels first itration, not just for PLUS case, and no need
3460 to use scalar_initial_def here. Create an epilog adjustment only if
3461 scalar_initial_def is not NULL.
3463 (vectorizable_reduction): Remove assert.
3465 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
3468 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3469 (__moddi3): Likewise.
3470 (__udivdi3): Likewise.
3471 (__umoddi3): Likewise.
3472 (__divsi3): Likewise.
3473 (__modsi3): Likewise.
3474 (__udivsi3): Likewise.
3475 (__umodsi3): Likewise.
3477 2005-08-20 Jakub Jelinek <jakub@redhat.com>
3479 * tree-pass.h (TDF_GRAPH): Define.
3480 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3481 * passes.c (finish_optimization_passes): Only call
3482 finish_graph_dump_file if TDF_GRAPH is set.
3483 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3484 NULL. Set TDF_GRAPH bit.
3485 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3487 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
3489 * arm.h (arm_stack_offsets): Add locals_base field.
3490 * arm.c (arm_get_frame_offsets): Compute it.
3491 (thumb_compute_initial_elimination offset): Make the Thumb frame
3492 pointer point to the base of the local variables.
3493 (thumb_expand_prologue): Update accordingly.
3494 (thumb_expand_epilogue): Likewise.
3496 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
3497 mode of clobbered scratch to DImode. Handle a case that's known to
3500 2005-08-19 David Edelsohn <edelsohn@gnu.org>
3502 * config/rs6000/rs6000.md (gt0<mode>): Delete.
3503 (gt0<mode>_compare): Delete.
3504 (neg_gt0<mode>): Delete.
3506 2005-08-19 Eric Christopher <echristo@apple.com>
3508 * optabs.h: Change CTI_ to COI_.
3511 2005-08-19 James E Wilson <wilson@specifix.com>
3513 * builtins.c (expand_builtin_return_addr): Set
3514 current_function_accesses_prior_frames when count != 0. Use
3515 frame_pointer_rtx when count == 0.
3516 * function.h (struct function): Add accesses_prior_frames field.
3517 (current_function_accesses_prior_frames): Define.
3518 * reload1.c (init_elim_table): Check
3519 current_function_accesses_prior_frames.
3520 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3522 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3524 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3525 indicator. Return true if the flowgraph changed during
3528 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3531 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3532 conditional expression before testing its value.
3534 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3536 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3538 2005-08-19 Devang Patel <dpatel@apple.com>
3540 PR tree-optimization/23048
3541 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3542 third parameter. Check whether latch is dominated by exit
3544 (if_convertible_loop_p): Supply exit block itself to
3545 if_convertible_bb_p.
3547 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3550 * arm.md (arm_load_pic_register): Change argument to the mask of
3551 saved registers. Call thumb_find_work_register if we need a
3552 scratch register on Thumb.
3553 (arm_expand_prologue): Pass empty register set to
3554 arm_load_pic_register.
3555 (thumb_expand_prologue): Pass live_regs_mask directly to
3556 arm_load_pic_register.
3557 * arm-protos.h (arm_load_pic_register): Update prototype.
3559 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
3561 * sh.c (find_sole_member): New function.
3562 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3563 if the record's alignment is larger than the size of its only member.
3565 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3568 * arm.c (thumb_legitimize_reload_address): New function.
3569 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3570 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3572 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
3574 * config/crx/crx.c: Implement crx_decompose_address. Reject
3575 symbolic displacements since CRX register relative adressing
3576 mode can't handle unsigned 32-bit values as displacements.
3577 * config/crx/crx.h: Simplify definitions, remove redundant
3578 parenthesis and obsolete macros.
3579 * config/crx/crx.opt: Add new switch for debugging addresses.
3580 * config/crx/crx-protos.h: Add new declarations for above.
3582 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
3585 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3588 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3590 * collect2.c (dup2): Delete.
3591 * configure.ac: Don't check for dup2.
3593 * config.in, configure: Regenerate.
3595 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
3597 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3598 record with the type of its only member.
3600 2005-08-18 David Edelsohn <edelsohn@gnu.org>
3602 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3603 define_insn_and_split.
3604 (plus_ltu<mode>_compare): Same.
3605 (gtu<mode>_compare): Same.
3606 (plus_gtu<mode>_compare): Same.
3608 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
3610 PR tree-optimization/22228
3611 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3613 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3614 are recorded in vect_vnames_to_rename for renaming.
3615 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3616 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3617 in vect_vnames_to_rename.
3618 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3619 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3621 2005-08-18 Jan Hubicka <jh@suse.cz>
3624 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3625 info only for local statics, not for member variables.
3627 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3629 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3631 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3633 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3635 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
3638 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3640 2005-08-17 James E Wilson <wilson@specifix.com>
3642 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3645 2005-08-17 David Edelsohn <edelsohn@gnu.org>
3647 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3648 (leu<mode>_compare): Same.
3649 (plus_leu<mode>): Same.
3650 (neg_leu<mode>): Same.
3651 (and_neg_leu<mode): Same.
3652 (ltu<mode>_compare): Same.
3653 (plus_ltu<mode>): Same.
3655 (geu<mode>_compare): Same.
3656 (plus_geu<mode>): Same.
3657 (neg_geu<mode>): Same.
3658 (and_neg_geu<mode>): Same.
3659 (plus_gt<mode>): Same.
3660 (gtu<mode>_compare): Same.
3661 (plus_gtu<mode>): Same.
3663 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
3665 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3666 Move call_table_data to end. Delete spurious .text.
3667 (callt_save_all_interrupt): Fix comment typo.
3669 2005-08-17 James E Wilson <wilson@specifix.com>
3670 Kevin Winchester <winchester@amirix.com>
3673 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3675 2005-08-17 Uros Bizjak <uros@kss-loka.si>
3678 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3679 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3681 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
3683 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3684 record with the type of its only member if the modes don't match.
3686 * varasm.c (decode_reg_name): Skip empty additional register names.
3688 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3690 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3691 lsm_tmp_name_length): New.
3692 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3693 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3695 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3696 Andreas Krebbel <krebbel1@de.ibm.com>
3698 * config.gcc: Added z9-109 switch.
3699 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3700 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3701 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3702 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3703 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3704 for "z9_109" cpu attribute.
3705 * config/s390/s390.c (z9_109_cost): New processor cost structure.
3706 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3707 (s390_handle_arch_option): Added z9-109 switch.
3708 (override_options): Set respective cost function for z9-109.
3709 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3710 (legitimate_reload_constant_p): Accept extended immediates.
3711 (print_operand): Three new output modifiers added: k, m and o.
3712 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3713 (s390_output_mi_thunk): Use extended immediate when possible.
3714 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3715 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3716 (CONSTRAINT_LEN): Added length of O constraint.
3717 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3718 * config/s390/s390.md ("cpu"): New value z9_109 added.
3719 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3720 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3721 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3722 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3723 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3724 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3725 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3726 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3727 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3728 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3729 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3730 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3731 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3732 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3733 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3735 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3736 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3737 insns for TARGET_EXTIMM.
3739 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
3741 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3743 2005-08-17 Nick Clifton <nickc@redhat.com>
3745 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3746 Call default_encode_section_info.
3748 2005-08-17 Steven Bosscher <stevenb@suse.de>
3750 PR tree-optimization/21574
3751 * tree-ssa-ccp.c (likely_value): If the right hand side is a
3752 constant, return CONSTANT.
3753 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3754 (ccp_fold, visit_assignment): Likewise.
3755 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3757 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3759 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3760 fold_buildN instead of buildN then fold_initializer or fold.
3761 (build_unary_op): Likewise.
3762 (build_binary_op): Likewise.
3763 * fold-const.c (fold_initializer): Remove.
3764 (fold_build1_initializer): New function.
3765 (fold_build2_initializer): New function.
3766 (fold_build3_initializer): New function.
3767 * tree.h (fold_initializer): Remove.
3768 (fold_build1_initializer): New function.
3769 (fold_build2_initializer): New function.
3770 (fold_build3_initializer): New function.
3772 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3774 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3775 (try_move_mult_to_index): Call fold_build2 instead of build2.
3776 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3777 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3778 fold_binary_to_constant.
3779 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3781 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3782 check if A == gcd (A, B). Remove TYPE argument.
3783 (analyze_offset) Use fold_build2 instead of fold (build.
3784 (create_data_ref): Likewise.
3785 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3786 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3789 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
3791 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3792 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3794 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
3797 * gimplify.c (zero_sized_type): New function.
3798 (gimplify_modify_expr_rhs): If we have a zero sized type,
3799 replace the statement with an empty statement.
3801 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
3803 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3806 2005-08-16 Ian Lance Taylor <ian@airs.com>
3808 * doc/tm.texi (Label Output): Correct typo.
3810 2005-08-16 Steven Bosscher <stevenb@suse.de>
3813 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3814 force_operand will work later on using have_insn_for.
3816 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3818 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3820 2005-08-16 Ian Lance Taylor <ian@airs.com>
3823 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3824 vector type, don't try to construct it element by element. Add an
3825 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3827 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3829 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3831 2005-08-16 Geoffrey Keating <geoffk@apple.com>
3833 * doc/invoke.texi (Precompiled Headers): Document some more options
3834 which are known to be safe.
3836 2005-08-16 James E Wilson <wilson@specifix.com>
3838 PR tree-optimization/21105
3839 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3840 TREE_OVERFLOW check.
3842 2005-08-16 David Edelsohn <edelsohn@gnu.org>
3844 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3845 (neg_ltu<mode>): Same.
3847 (neg_gtu<mode>): Same.
3849 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3851 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3852 (fold_builtin_isdigit): Use fold_buildN.
3853 (build_function_call_expr): Likewise.
3854 * c-typeck.c (c_finish_loop): Likewise.
3856 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
3857 Richard Shann <rshann@superh.com>
3859 PR middle-end/20396:
3860 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3862 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
3864 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3866 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
3869 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3870 arm_compure_save_reg0_reg12_mask to determine when the PIC register
3873 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3876 * fold-const.c (build_range_check): Disable optimization for function
3877 pointer expressions on targets that require function pointer
3880 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
3882 * simplify-rtx.c (simplify_const_relational_operation): When
3883 extracting arguments of a COMPARE, recompute the mode as well.
3885 2005-08-15 Ian Lance Taylor <ian@airs.com>
3887 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3889 2005-08-15 DJ Delorie <dj@redhat.com>
3891 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3893 (movsi_splittable): Allow, but split, moves to the stack.
3894 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3897 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3899 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3900 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3901 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3903 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3904 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3905 Delete HOST_PTR_PRINTF.
3907 * configure, config.in: Regenerate.
3909 2005-08-15 David Edelsohn <edelsohn@gnu.org>
3911 * config/rs6000/rs6000.md (QHSI): New mode macro.
3912 (wd): Extend mode attr for QImode and HImode
3913 (dbits): New mode attr.
3914 (zero_extend<mode>di2): Convert to mode macro.
3916 2005-08-15 Steve Ellcey <sje@cup.hp.com>
3919 * doc/invoke.texi (-mgnu-ld): Update description.
3922 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3925 * Makefile.in (tree-chrec.o): Depends on real.h.
3926 * tree-chrec.c: Include real.h.
3927 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3928 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3929 * tree-scalar-evolution.c (add_to_evolution_1,
3930 interpret_rhs_modify_expr): Ditto.
3932 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3935 * tree-data-ref.c (estimate_niter_from_size_of_data): When
3936 step is negative compute the estimation from init downwards to zero.
3938 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
3940 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3942 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3944 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3946 (legitimate_reload_constant_p): Fix handling of lliXX operands.
3947 Accept double-word constants that can be split.
3948 * config/s390/s390.md ("movti"): Use 'P' constraint.
3949 ("*movdi_31", "*movdf_31"): Likewise.
3951 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
3953 Fix PR tree-optimization/22615
3955 * tree-ssa-structalias.c (solution_set_add): Handle
3956 first_vi_for_offset returning NULL.
3957 (do_da_constraint): Ditto.
3958 (do_sd_constraint): Ditto.
3959 (do_ds_constraint): Ditto
3960 (find_func_aliases): Ditto.
3961 (build_constraint_graph): RHS is allowed be ANYTHING.
3962 (first_vi_for_offset): Return NULL if we couldn't find anything at
3965 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3967 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3968 over memory as first operand.
3970 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3973 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3974 available for setting it.
3976 2005-08-14 Ira Rosen <irar@il.ibm.com>
3978 PR tree-optimization/23320
3979 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3980 data-refs' types instead of base object nullness. Add check for
3981 pointer type data-refs before first location comparison. Remove
3984 2005-08-14 Andreas Schwab <schwab@suse.de>
3986 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3988 2005-08-13 James E Wilson <wilson@specifix.com>
3990 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3991 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3992 -fstack-protector-all, --param ssp-buffer-size): Document.
3993 (-Wvariadic-macros): Alphabetize.
3994 (-fsched-stalled-insns-dep): Add missing 'f'.
3996 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3999 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4001 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4002 or indirect address operand.
4003 (EXTRA_ADDRESS_CONSTRAINT): New.
4004 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4006 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4008 PR tree-optimization/22236
4009 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4010 successors and predecessors.
4011 * tree-chrec.c (chrec_convert): Before converting, check that
4012 sequences don't wrap.
4013 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4014 (analyze_array): Extern.
4015 (find_data_references_in_loop): Remove call to
4016 compute_estimated_nb_iterations.
4017 * tree-data-ref.h (analyze_array): Declared.
4018 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4019 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4020 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4021 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4023 * tree-ssa-loop-ivcanon.c: Fix documentation.
4024 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4025 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4026 (infer_loop_bounds_from_undefined): New.
4027 (estimate_numbers_of_iterations_loop): Use
4028 infer_loop_bounds_from_undefined.
4029 (used_in_pointer_arithmetic_p): New.
4030 (scev_probably_wraps_p): Pass an extra parameter. Call
4031 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4032 (convert_step): Fix documentation.
4033 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4034 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4035 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4036 scev_probably_wraps_p.
4038 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4040 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4041 (s390_register_info): Ignore clobbered_regs information for fixed
4042 registers, and only fixed registers.
4043 (s390_init_frame_layout): Remove redundant call.
4045 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4047 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4048 description of -Wold-style-casts.
4050 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4051 Jakub Jelinek <jakub@redhat.com>
4053 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4054 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4055 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4056 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4057 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4058 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4059 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4060 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4061 ("stack_protect_set", "stack_protect_test"): New expanders.
4062 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4063 "stack_protect_testdi"): New insn definitions.
4065 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4067 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4069 2005-08-12 Paul Brook <paul@codesourcery.com>
4071 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4073 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4075 * config/s390/predicates.md (setmem_operand): New predicate.
4076 (shift_count_operand): Accept ANDs with special constants as
4078 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4079 with special constants.
4080 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4081 shift_count_operand with setmem_operand.
4083 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4085 * config/s390/s390.c (s390_extract_part, s390_single_part):
4087 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4088 (s390_output_mi_thunk): Don't use lg on 31 bit.
4089 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4090 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4092 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4094 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4095 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4096 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4097 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4098 with one of the new macros.
4100 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4102 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4103 Don't set save_return_addr_p.
4104 (s390_register_info): Make clobbered_regs not depending on
4107 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4109 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4110 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4112 2005-08-11 James E. Wilson <wilson@specifix.com>
4114 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4116 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4118 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4119 locations gathered by var-tracking in single entry loc_list
4120 over loc_descriptor_from_tree.
4122 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4123 pass it down to loc_descriptor.
4124 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4125 (containing_function_has_frame_base): Move earlier in the file.
4126 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4127 instead of always assuming fbreg can't be used.
4129 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4131 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4132 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4133 Accept address wrapped in AND for Altivec.
4134 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4135 Strip AND wrapping offset address for Altivec.
4137 2005-08-11 Richard Henderson <rth@redhat.com>
4140 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4141 before using TYPE_IS_SIZETYPE.
4143 2005-08-11 Richard Henderson <rth@redhat.com>
4146 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4147 insn types not present on ev4.
4148 (alphaev5_insn_pipe): Similarly.
4150 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4153 * arm.c (arm_override_options): If the user has selected callee-super-
4154 interworking, then enable normal interworking.
4156 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4158 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4161 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4163 * doc/rtl.texi: Fix two typos.
4165 2005-08-11 Richard Guenther <rguenther@suse.de>
4168 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4169 cases where we call to/from functions returning void.
4171 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4174 * tree.c (build_pointer_type_for_mode): Robustify.
4176 2005-08-10 James E Wilson <wilson@specifix.com>
4178 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4179 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4181 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4184 2005-08-10 Eric Christopher <echristo@apple.com>
4186 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4187 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4190 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4193 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4194 for the high part when generating dynamic-no-pic code.
4196 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4198 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4199 (x86_64-*-linux*): Likewise.
4201 * config/i386/crtfastmath.c: New file.
4202 * config/i386/t-crtfm: Likewise.
4204 * config/i386/linux.h (ENDFILE_SPEC): New.
4205 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4207 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4210 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4212 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4213 (vec_shl, vec_shr): Document new operations.
4214 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4216 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4218 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4219 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4220 change predicate to indexed_or_indirect_address.
4222 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4224 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4225 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4226 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4227 and __aeabi_uwrite8.
4228 * config/arm/unaligned-funcs.c: New file.
4229 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4231 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4233 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4235 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4236 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4238 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4239 * final.c (pass_shorten_branches): Add dump.
4240 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4241 (pass_life): Rename dump.
4242 (rest_of_handle_flow2): Remove initial verify_flow_info.
4243 * function.c (pass_instantiate_virtual_regs): Add dump.
4244 * integrate.c (pass_initial_value_sets): Add dump.
4245 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4246 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4247 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4248 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4249 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4250 gate_rtl_unrool_and_peel_loops): New.
4251 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4252 rtl_doloop): Do not look at flags.
4253 * mode-switching.c (pass_mode_switching): Add dump.
4254 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4255 pass_split_before_regstack): Add dump.
4256 * regmove.c (pass_stack_adjustments): Add dump.
4257 * tree-optimize.c (pass_fixup_cfg): Add dump.
4259 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4262 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4263 deciding which instruction sequence to use.
4265 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4267 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4268 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4270 2005-08-09 Richard Guenther <rguenther@suse.de>
4272 * c-common.c (builtin_function_2): Remove.
4273 (def_builtin_1): New function.
4274 (c_common_nodes_and_builtins): Use def_builtin_1 to
4275 build builtin functions.
4277 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4279 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4280 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4281 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4284 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4286 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4287 fold_binary instead of fold_build2 since we don't care about the
4289 (loop_niter_by_eval): Likewise.
4290 (compare_trees): Likewise.
4291 (proved_non_wrapping_p): Likewise.
4293 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4297 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4298 if the if is really empty.
4300 2005-08-09 Steven Bosscher <stevenb@suse.de>
4302 PR tree-optimization/23234
4303 * tree-ssa-math-opts.c (place_reciprocal): New enum.
4304 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4305 argument of the new enum.
4306 (execute_cse_reciprocals): Add reciprocals for function arguments
4307 on the unique successor edge of the entry block. Update other calls
4308 to execute_cse_reciprocals_1.
4310 2005-08-08 Richard Henderson <rth@redhat.com>
4313 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4315 2005-08-08 Bob Wilson <bob.wilson@acm.org>
4317 * expr.c (write_complex_part): Return after handling MEM.
4319 2005-08-08 Josh Conner <jconner@apple.com>
4321 PR rtl-optimization/23241
4322 * combine.c (simplify_comparison): Fix error in determining
4323 whether to lift a subreg from comparison.
4325 2005-08-08 David Edelsohn <edelsohn@gnu.org>
4328 * config/rs6000/altivec.md (vec_init<mode>): New.
4329 (vec_set<mode>): New.
4330 (vec_extract<mode>): New.
4331 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4332 (rs6000_expand_vector_set): New.
4333 (rs6000_expand_vector_extract): New.
4334 (rs6000_legitimate_offset_address_p): Offset addresses are valid
4335 for Altivec modes before reload.
4336 (altivec_expand_vec_init_builtin): New.
4337 (get_element_number): New.
4338 (altivec_expand_vec_set_builtin): New.
4339 (altivec_expand_vec_ext_builtin): New.
4340 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4342 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4344 * config/rs6000/rs6000.h (rs6000_builtins): Add
4345 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4346 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4347 * config/rs6000/rs6000-protos.h: Declare new functions.
4349 2005-08-08 Jan Hubicka <jh@suse.cz>
4351 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4352 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4353 * i386.md (movdi*): Use pic_32bit_operand.
4354 * predicates.md (pic_32bit_operand): New.
4356 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
4359 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4361 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
4363 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4364 (test_for_singularity): Use fold_build2.
4366 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4368 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4370 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
4372 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4373 (COMMON_ASM_OP) Define.
4374 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4375 (ix86_encode_section_info): Likewise.
4376 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4377 SUBTARGET_ENCODE_SECTION_INFO.
4379 2005-08-06 Richard Henderson <rth@redhat.com>
4382 * tree-nested.c (convert_local_reference): Save and restore val_only
4383 around component_ref and friends. Clear walk_subtrees by default.
4385 2005-08-06 Peter O'Gorman <peter@pogma.com>
4388 * gcc.c (process_command): Check the argument to -b has a dash.
4389 * doc/invoke.texi: Update -b and -V docs.
4391 2005-08-06 James E Wilson <wilson@specifix.com>
4393 * config/mips/cross64.h, config/mips/t-cross64: Delete.
4395 2005-08-06 Michael Matz <matz@suse.de>
4397 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4398 member only if only one insn is associated with the value.
4400 2005-08-06 Nick Clifton <nickc@redhat.com>
4402 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4404 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4405 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4406 Check symbol flags instead of symbol name mangling.
4407 (xstormy16_asm_output_aligned_common): Likewise. Also
4408 simplify code since the bss100_section cass is the only case
4409 where the below100 code will be triggered.
4410 (xstormy16_encode_section_info): Encode below100 attribute
4411 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4413 (xstormy16_strip_name_encoding): Delete - this function is no
4415 (TARGET_STRIP_NAME_ENCODING): Undefine.
4416 * config/stormy16/stormy16-protos.h: Delete prototype for
4417 xstormy16_strip_name_encoding.
4419 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
4421 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4422 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4423 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4424 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4425 config/alpha/predicates.md, config/arc/arc.h,
4426 config/arm/arm.h, config/arm/ieee754-df.S,
4427 config/arm/ieee754-sf.S, config/bfin/bfin.c,
4428 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4429 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4430 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4431 config/m68hc11/m68hc11.h, config/mips/mips.c,
4432 config/mips/mips.h, config/mips/openbsd.h,
4433 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4434 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4435 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4436 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4437 config/sparc/linux.h, config/sparc/linux64.h,
4438 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4439 doc/extend.texi, doc/gcov.texi, doc/install.texi,
4440 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4441 typos. Follow spelling conventions.
4443 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
4446 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4447 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4448 specially. Check for side effects only for COND_EXPR.
4449 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4450 return with TREE_NO_WARNING.
4452 2005-08-06 Richard Sandiford <richard@codesourcery.com>
4454 PR rtl-optimization/23233
4455 * loop.c (combine_movables): Require the modes to be the same.
4456 (move_movables): Remove handling of cases where the replacement
4457 had a different mode to the original.
4459 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
4461 PR tree-optimization/23128
4462 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4463 subtraction wrap, and set TREE_OVERFLOW if they do.
4465 2005-08-05 Richard Henderson <rth@redhat.com>
4468 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4469 FORCED_LABEL labels.
4471 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
4474 * reload.c (find_reloads_subreg_address): Pass down TYPE
4475 unchanged. Change all callers except find_reloads_toplev.
4477 2005-08-05 Michael Matz <matz@suse.de>
4479 * genattrtab.c (current_alternative_string): Remove.
4480 (SIMPLIFY_ALTERNATIVE): Ditto.
4481 (attr_alt_bit_p): Ditto.
4482 (alternative_name): Make const char *.
4483 (evaluate_eq_attr): Remove use of above things.
4484 (simplify_test_exp): Ditto.
4485 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4486 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4488 2005-08-04 James E Wilson <wilson@specifix.com>
4490 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4491 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4492 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4493 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4494 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4496 2005-08-04 Richard Henderson <rth@redhat.com>
4499 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4500 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4501 * tree-sra.c (decide_block_copy): Use it. Disable element copy
4502 if we'd have to instantiate too many members.
4504 2005-08-04 Richard Henderson <rth@redhat.com>
4507 * tree-outof-ssa.c (coalesce_asm_operands): New.
4508 (coalesce_ssa_name): Use it. Split out ...
4509 (coalesce_phi_operands, coalesce_result_decls): ... these.
4511 2005-08-04 Paul Brook <paul@codesourcery.com>
4513 * read-rtl.c (read_quoted_string): Break if EOF.
4515 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
4517 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
4518 (fold_build2): Likewise.
4519 (fold_build3): Likewise.
4520 (fold_build1_stat): New function prototype.
4521 (fold_build2_stat): Likewise.
4522 (fold_build3_stat): Likewise.
4523 * fold-const.c (fold_build1): Rename to ..
4524 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4525 through to build1_stat.
4526 (fold_build2): Rename to ..
4527 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4528 through to build2_stat.
4529 (fold_build3): Rename to ..
4530 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4531 through to build3_stat.
4533 2005-08-04 David Edelsohn <edelsohn@gnu.org>
4534 Ian Lance Taylor <ian@airs.com>
4536 * function.c (assign_stack_local_1): Do not correct stack slot
4537 address if allocation size is smaller than mode size.
4539 2005-08-04 Diego Novillo <dnovillo@redhat.com>
4542 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
4543 (tree_merge_blocks): Propagate anything allowed by
4545 Clarify documentation.
4546 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
4547 SSA form, schedule an update if necessary.
4549 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
4551 * doc/install.texi (Binaries): Remove broken link to
4552 Sinix/Reliant Unix binaries.
4554 2005-08-03 Richard Henderson <rth@redhat.com>
4557 * function.c (stack_protect_epilogue): Export.
4558 * tree.h (stack_protect_epilogue): Declare.
4559 * calls.c (expand_call): Call it.
4561 2005-08-03 Eric Christopher <echristo@apple.com>
4563 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4564 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4567 2005-08-04 Jan Hubicka <jh@suse.cz>
4569 * profile.c (branch_prob): Split edges with goto locus on them
4570 to get proper line counts.
4571 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
4573 2005-08-03 Paul Brook <paul@codesourcery.com>
4575 * function.c (assign_parms): Round current_function_args_size
4576 to PARM_BOUNDARY, not STACK_BOUNDARY.
4578 2005-08-03 Geoffrey Keating <geoffk@apple.com>
4580 * config/i386/i386.c (x86_elf_aligned_common)
4581 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4583 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
4585 PR tree-optimization/23157
4586 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
4587 before emitting them.
4589 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4591 PR tree-optimization/19899
4592 * Makefile.in (tree-scalar-evolution.o): Add real.h.
4593 * tree-scalar-evolution.c: Include real.h.
4594 (add_to_evolution): Build constant -1 of correct type.
4596 2005-08-03 Jan Hubicka <jh@suse.cz>
4598 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4599 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4600 profile updating for complette unrolling.
4601 * loop-unroll.c (peel_loop_completely): Use it.
4602 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4603 (tree_unroll_loops_completely): Disable code growing unrolling of cold
4606 2005-08-03 Paul Brook <paul@codesourcery.com>
4608 * combine.c (can_change_dest_mode): New function.
4609 (try_combine, simplify_set): Use it.
4611 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
4613 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4616 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
4618 * doc/install.texi (Specific): Adjust link to openavr.org.
4619 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4620 (Binaries): Adjust HP-UX Porting Center link.
4621 (Binaries): Adjust Free Software Foundation ordering link.
4623 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
4625 * convert.c (convert_to_integer): Use fold_build1 instead of
4626 build1 when converting an integer to an integer.
4628 2005-08-02 Richard Henderson <rth@redhat.com>
4630 * combine.c (combine_instructions): Don't use reg_equal/equiv
4631 results if the mode doesn't match.
4633 2005-08-02 Mark Mitchell <mark@codesourcery.com>
4635 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4636 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4638 2005-08-02 Richard Henderson <rth@redhat.com>
4641 * explow.c (memory_address): Remove special-case for
4642 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4644 2005-08-02 Diego Novillo <dnovillo@redhat.com>
4647 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4648 number of calls to cleanup_tree_cfg_1.
4650 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
4652 * doc/invoke.texi: document file extensions .F90 and .F95
4654 2005-08-02 Richard Guenther <rguenther@suse.de>
4656 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4657 positive if its first argument is positive.
4659 2005-08-02 Richard Guenther <rguenther@suse.de>
4661 PR tree-optimization/23177
4662 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4665 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
4667 PR tree-optimization/23129
4668 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4669 varying for divisions with anti-ranges.
4671 2005-08-02 Jan Hubicka <jh@suse.cz>
4673 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4674 * tree-ssa-threadupdate.c (thread_block): Add it here.
4676 2005-08-01 James E Wilson <wilson@specifix.com>
4678 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4679 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4680 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4682 * config/mips/predicates.md (const_call_insn_operand): Add check for
4683 SYMBOL_REF_LONG_CALL_P.
4684 * doc/extend.texi (long_call): Document the new attribute.
4686 2005-08-01 Ian Lance Taylor <ian@airs.com>
4687 Richard Henderson <rth@redhat.com>
4689 * Makefile.in (RTL_BASE_H): Add real.h.
4690 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4692 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4694 * rtl.c (rtl_check_failed_code_mode): New.
4695 * rtl.h (struct rtx_def): Add u.rv.
4696 (XCMWINT, XCNMPRV): New.
4697 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4698 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4700 2005-08-01 Richard Henderson <rth@redhat.com>
4702 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4703 with auto-inc codes.
4705 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4707 2005-08-01 Jan Hubicka <jh@suse.cz>
4709 * i386-protos.h (asm_preferred_eh_data_format): Declare.
4710 * i386.c: Include dwarf2.h
4711 (asm_preferred_eh_data_format): New.
4712 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4714 2005-08-01 Ian Lance Taylor <ian@airs.com>
4716 * config/host-linux.c (linux_gt_pch_get_address): Add new name
4717 randomize_va_space for virtual address randomization control.
4719 2005-08-01 Steven Bosscher <stevenb@suse.de>
4721 * common.opt (flag_ipa_cp): Put in right place to maintain
4724 2005-08-01 Jan Hubicka <jh@suse.cz>
4726 * profile.c (compute_value_histograms): Fix thinko.
4727 * value-prof.c: Include toplev.h
4728 (check_counter): New function.
4729 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4730 tree_mod_subtract_transform): Add sanity check.
4732 2005-08-01 Richard Guenther <rguenther@suse.de>
4734 PR tree-optimization/23133
4735 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4736 current functions parameter decls to find defs to cse
4739 2005-08-01 Richard Guenther <rguenther@suse.de>
4741 PR tree-optimization/23109
4742 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4743 If trapping math is in effect, use post-dominator information
4744 to check if we'd in any case reach a trapping point before
4745 doing the reciprocal insertion.
4746 (execute_cse_reciprocals): Compute post-dominators, if necessary.
4747 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4748 expressions are invariant only if trapping math is not in effect.
4750 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4752 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4753 cgraph_function_versioning): New declarations.
4754 * cgraphunit.c: Add include to ipa-prop.h.
4755 (update_call_expr, cgraph_copy_node_for_versioning,
4756 cgraph_function_versioning): New functions.
4757 * integrate.c (copy_decl_for_inlining): Remove.
4758 * ipa-prop.h (ipa_replace_map): New struct.
4759 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4760 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4761 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4762 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4763 ipcp_iterate_stage, ipcp_method_scale_print,
4764 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4765 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4766 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4767 ipcp_update_bb_counts, ipcp_update_profiling,
4768 ipcp_update_edges_counts): New functions.
4769 (ipcp_method_cval_init): Remove restriction regarding local methods.
4770 (ipcp_init_stage): Add ipcp_method_compute_scale.
4771 (ipcp_insert_stage): Add versioning.
4772 (ipcp_structures_print): Add ipcp_method_scale_print.
4773 (ipcp_driver): Dump profiling info.
4774 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4775 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4776 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4777 (struct inline_data): Add versioning_p, ipa_info, new fields.
4778 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4779 declare_return_variable): Replace calls to copy_decl_for_inlining with
4781 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4783 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4784 Add argument VERSIONING.
4785 (copy_arguments_for_versioning, copy_static_chain,
4786 function_versionable_p, tree_versionable_function_p,
4787 tree_function_versioning, replace_ref_tree): New functions.
4788 * tree-inline.h: Include varray.h.
4789 (tree_versionable_function_p, tree_function_versioning,
4790 tree copy_decl_for_dup): New declarations.
4792 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4794 * ipa-cp.c: New file. Contains IPCP specific functionality.
4795 * ipa-prop.h: New file. Contains structures/definitions that can be
4796 used by several interprocedural data flow optimizations (and also IPCP).
4797 * ipa-prop.c: New file.
4798 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4799 * common.opt: Add ipa-cp flag.
4800 * timevar.def: Add IPCP optimization.
4801 * tree-optimize.c (init_tree_optimization_passes): Schedule
4803 * tree-pass.h (pass_ipa_cp): Declare.
4805 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
4807 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4808 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4809 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4810 config/i386/i386.c, config/mips/mips.h,
4811 config/rs6000/rs6000.h, config/sh/sh.c,
4812 config/stormy16/stormy16.c: Fix comment typos.
4814 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
4817 * c-typeck.c (build_binary_op): Use common_type wrapper on
4819 (common_type): Update comment.
4821 2005-07-31 Steven Bosscher <stevenb@suse.de>
4824 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4825 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4826 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4828 2005-07-31 Jan Hubicka <jh@suse.cz>
4830 * pretty-print.h (pp_widest_integer): New macro.
4831 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4834 2005-07-31 Jan Hubicka <jh@suse.cz>
4836 * output.h (enum section_category): Export from varasm.c
4837 (categorize_decl_for_section): Likewise.
4838 * varasm.c (enum section_category): Kill.
4839 (categorize_decl_for_section): Make global.
4840 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4842 * i386.c (ix86_section_threshold): New static variable.
4843 (ix86_in_large_data_p, ix86_encode_section_info,
4844 x86_64_elf_unique_section,
4845 x86_64_elf_select_section): New functions.
4846 (TARGET_ENCODE_SECTION_INFO): Define
4847 (override_options): Enable medium model for PIC.
4848 (ix86_expand_prologue): Expand gen_set_got_rex64.
4849 (legitimate_constant_p): Handle new UNSPECs.
4850 (legitimate_pic_address_disp_p): Likewise.
4851 (legitimize_pic_address): Lower MEDIUM model addressing.
4852 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4853 (enum cmodel): Add MEDIUM_PIC.
4854 (SYMBOL_REF_FAR_ADDR_P): New macro.
4855 (SYMBOL_FLAG_FAR_ADDR): New flag.
4856 * i386.md (movdi): Support medium model.
4857 (set_got_rex64): New pattern.
4858 * i386.opt (mlarge-data-threshold): New flag.
4859 * predicates.md (zext_operand/sext_operand): Deal with medium model.
4860 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4861 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4862 TARGET_ASM_UNIQUE_SECTION): New.
4864 * invoke.texi (-mlarge_data_threshold): Document
4866 2005-07-31 Jan Hubicka <jh@suse.cz>
4868 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4869 (coalesce_vars): Likewise.
4870 * tree-ssa-live.c (coalesce_cost): New.
4871 (build_tree_conflict_graph): Use coalesce_cost.
4872 * tree-ssa-live.h (coalesce_cost): Declare.
4874 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
4876 * arm.md (all peepholes for post-increment operations): Delete.
4877 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4878 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4879 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4880 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4881 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4883 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
4885 * fold-const.c (tree_expr_nonnegative_p): Always return true for
4888 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
4891 * doc/invoke.texi: Document -rdynamic.
4893 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
4896 * c-parser.c (c_parser_parms_list_declarator): Call
4897 mark_forward_parm_decls.
4898 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4899 decls with visibility structure.
4901 2005-07-30 Paul Brook <paul@codesourcery.com>
4903 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4905 2005-07-30 Paul Brook <paul@codesourcery.com>
4907 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4909 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4911 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4913 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4916 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4917 nested function declarators.
4918 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4919 (grokparms): Call warn_if_shadowing for parameters used within the
4921 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4922 not used within the parameter list.
4923 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4925 2005-07-30 Jan Hubicka <jh@suse.cz>
4927 * expr.c (expand_expr_real_1): Do not load mem targets into register.
4928 * i386.c (ix86_fixup_binary_operands): Likewise.
4929 (ix86_expand_unary_operator): Likewise.
4930 (ix86_expand_fp_absneg_operator): Likewise.
4931 * optabs.c (expand_vec_cond_expr): Validate dest.
4933 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4936 * real.c (real_from_string): Also set last bit if there is a
4937 nonzero hex digit beyond GCC's internal precision after ".".
4939 2005-07-29 David Edelsohn <edelsohn@gnu.org>
4941 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4942 define_constants. Change duplicate values to unassigned numbers.
4943 Change UNSPEC_SUBS to UNSPEC_VSUBS.
4944 (*altivec_vspltsf): New.
4945 (altivec_vperm_v4sf): Delete.
4946 (altivec_vperm_<mode>): Use mode macro V.
4947 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4948 (altivec_predicate_v4sf): Delete.
4949 (altivec_predicate_<mode>): Use mode macro V.
4950 (*altivec_lvesfx): New.
4951 (*altivec_stvesfx): New.
4952 (vec_realign_load_v4sf): Delete.
4953 (vec_realign_load_<mode>): Use mode macro V.
4954 * config/rs6000/rs6000.c (generate_set_vrsave): Use
4957 2005-07-29 Mark Mitchell <mark@codesourcery.com>
4960 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4962 * configure: Regenerated.
4964 2005-07-29 Paul Brook <paul@codesourcery.com>
4966 * doc/install.texi: Add link to GFortran binaries wiki page.
4968 2005-07-29 David Ung <davidu@mips.com>
4970 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4971 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4972 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4973 * config/mips/mips.md (cpu): Add 5kf name.
4974 (includes): Includes 5k.md.
4975 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4976 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4979 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4982 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4983 (cleanup_tree_cfg): ... here.
4984 Call cleanup_tree_cfg_1 until there are no more cleanups to
4987 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
4989 * tree-vrp.c (compare_range_with_value): Return true or false
4990 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4991 EQ_EXPR respectively.
4993 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
4995 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4998 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5000 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5001 (tree_ssa_dominator_optimize): Increment it.
5002 (dump_dominator_optimization_stats): Print it.
5004 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5005 Steven Bosscher <stevenb@suse.de>
5007 PR rtl-optimization/23117
5008 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5009 when head == tail. Tidy comment.
5011 2005-07-28 Richard Henderson <rth@redhat.com>
5013 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5014 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5015 * jump.c (rtx_renumbered_equal_p): Likewise.
5016 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5017 CONST_INT and CONST_DOUBLE.
5018 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5019 * reload.c (operands_match_p): Special case CONST_INT and
5020 CONST_DOUBLE; check mode earlier.
5022 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5025 * c-typeck.c (convert_for_assignment): Do not check
5026 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5028 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5031 * c-typeck.c (composite_type): Prefer constant size arrays to
5034 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5037 * real.c (real_from_string): Set last bit if there is a nonzero
5038 hex digit beyond GCC's internal precision.
5040 2005-07-28 Richard Henderson <rth@redhat.com>
5043 * cfgcleanup.c (try_forward_edges): Watch out for end of
5046 2005-07-28 James E Wilson <wilson@specifixinc.com>
5049 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5051 2005-07-28 Jan Hubicka <jh@suse.cz>
5053 * Makefile.in (rtl-profile.o): Kill all traces of it.
5054 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5055 * coverage.h (rtl_coverage_counter_ref): Kill.
5056 * opts.c (flag_speculative_prefetching_set): Kill.
5057 (flag_loop_optimize_set): New.
5058 (common_handle_option): Disable loop optimizer when profiling;
5059 do not handle speculative prefetching.
5060 * passes.c (init_optimization_passes): Replace pass_profiling combo
5061 by branch_prob pass.
5062 * profile.c (compute_value_histograms): Update for simplified value
5064 (rtl_register_profile_hooks): Kill.
5065 (pass_profiling): Kill.
5066 (rest_of_handle_branch_prob): Do not profile.
5067 * toplev.c (process_options): Remove speculative prefetching.
5068 * toplev.h (flag_tree_based_profiling): Kill.
5069 * tree-profile.c (prepare_instrumented_value,
5070 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5071 tree_gen_one_value_profiler, do_tree_profiling): Update for
5072 simplified datastructures.
5073 * value-prof.c: Add comment that speculative prefetching was dropped;
5074 update rest of file for simplified datastructures.
5075 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5076 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5077 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5078 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5079 rtl_mod_subtract, gen_speculative_prefetch,
5080 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5081 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5082 (gate_handle_value_profile_transformations,
5083 rest_of_handle_value_profile_transformations,
5084 pass_value_profile_transformations): Kill.
5085 * value-prof.h (histogram_value_t): Remove IL based unions.
5086 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5087 rtl_profile_hooks): Remove hooks.
5089 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5091 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5092 (cgraph_clone_node): Likewise.
5093 * cgraph.h (cgraph_clone_edge): Update prototype.
5094 (cgraph_clone_node): Likewise.
5095 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5097 (lookup_recursive_calls): Consider profile.
5098 (cgraph_decide_recursive_inlining): Fix updating; use new
5099 probability argument; use profile.
5100 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5101 * tree-inline.c (copy_bb): Update clal of clone_edge.
5102 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5104 * invoke.texi (min-inline-recursive-probability): Document.
5106 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5108 * doc/install.texi (Configuration): Update Valgrind homepage.
5110 2005-07-28 Richard Henderson <rth@redhat.com>
5113 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5114 labels we want to delete.
5115 (cfg_layout_merge_blocks): Likewise.
5117 2005-07-28 Richard Henderson <rth@redhat.com>
5120 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5121 when expanding to nothing.
5123 2005-07-28 Josh Conner <jconner@apple.com>
5125 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5126 (cgraph_decide_inlining_of_small_functions): Likewise.
5128 2005-07-28 Josh Conner <jconner@apple.com>
5130 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5131 direction of badness if negative.
5132 (cgraph_default_inline_p): Add reason to parameters, and assign it
5134 (cgraph_decide_inlining_of_small_functions): New parameter in call
5135 to cgraph_default_inline_p.
5136 (cgraph_decide_inlining_incrementally): Likewise.
5137 * cgraphunit.c (decide_is_function_needed): Likewise.
5138 * cgraph.h (cgraph_default_inline_p): Likewise.
5140 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5142 * builtins.c: Fix comment typo(s).
5143 * genautomata.c: Likewise.
5144 * gimplify.c: Likewise.
5145 * tree-dfa.c: Likewise.
5146 * tree-flow-inline.h: Likewise.
5147 * tree-into-ssa.c: Likewise.
5148 * tree-ssa-alias.c: Likewise.
5149 * tree-ssa-ccp.c: Likewise.
5150 * tree-ssa-copy.c: Likewise.
5151 * tree-ssa-dce.c: Likewise.
5152 * tree-ssa-dom.c: Likewise.
5153 * tree-ssa-operands.c: Likewise.
5154 * tree-tailcall.c: Likewise.
5155 * tree-vectorizer.c: Likewise.
5156 * tree-vrp.c: Likewise.
5159 2005-07-28 Jeff Law <law@redhat.com>
5161 * tree-vrp.c (test_for_singularity): Extracted from ...
5162 (simplify_cond_using_ranges): Attempt to simplify a relational
5163 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5165 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5167 PR tree-optimization/22506
5168 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5169 phis whose argument is constant.
5171 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5173 PR rtl-optimization/18992
5174 Back out this patch:
5175 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5176 PR optimization/12142
5177 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5178 uses of the register in the SET_SRC. Remove unnecessary argument.
5180 Replace it with this:
5181 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5182 if flag_non_call_exceptions is set and the insn may trap, pass
5183 pc_rtx as dest for recursion.
5184 In SET_SRC part of SET case, if dest is already set, pass it down
5187 2005-07-28 Jan Hubicka <jh@suse.cz>
5189 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5190 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5191 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5193 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5194 profile when available.
5196 2005-07-28 Jan Beulich <jbeulich@novell.com>
5198 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5199 (ia64_print_operand): Describe and handle 'X'.
5200 (ia64_register_move_cost): Also handle FP_REGS.
5201 (ia64_preferred_reload_class): Likewise.
5202 (ia64_secondary_reload_class): Likewise.
5203 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5204 it. Also check for ITANIUM_CLASS_FLDP.
5205 * config/ia64/ia64.h (FP_REGNO_P): New.
5206 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5207 (reg_class): Add FP_REGS.
5208 (REG_CLASS_NAMES): Adjust for it.
5209 (REG_CLASS_CONTENTS): Likewise.
5210 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5211 (REG_CLASS_FROM_LETTER): Handle 'x'.
5212 (CLASS_MAX_NREGS): Handle FP_REGS.
5213 (MEMORY_MOVE_COST): Likewise.
5214 * config/ia64/ia64.md (itanium_class): Add fldp.
5215 (type): Handle fldp.
5216 (movti_internal): More allowable operand combinations. Use ldfp8 when
5217 splitting unnecessary. Remove predicable attribute. Adjust
5218 itanium_class attribute.
5219 (smuldi3_highpart): Remove outdated comment.
5220 (mulditi3, umulditi3, rotlti3): New expanders.
5221 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5222 (absti2): Disabled new insn for future reference.
5223 Respective new splitters.
5224 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5225 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5226 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5228 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5230 PR rtl-optimization/23047
5231 * simplify-rtx.c (simplify_const_relational_operation): Respect
5232 flag_wrapv for comparisons with ABS.
5234 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5236 PR tree-optimization/22493
5237 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5238 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5240 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5242 * config/frv/frv.opt (moptimize-membar): New.
5244 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5246 * config/frv/frv.h: Remove machine_function definition.
5248 * config/frv/frv.c (struct frv_io): New.
5249 (struct machine_function): Moved from frv.h. Add has_membar_p.
5250 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5251 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5252 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5253 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5254 (frv_reorg): Call frv_optimize_membar when appropriate.
5255 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5256 (frv_expand_builtin): Adjust calls accordingly.
5257 (frv_io_address_cookie): New function.
5258 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5259 load or store rather than a special insn. Add ccnstant address and
5260 io-type operands to the membar.
5261 (frv_ifcvt_modify_tests): Unsign regno.
5262 (frv_ifcvt_modify_tests): Same.
5264 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5265 UNSPEC_OPTIONAL_MEMBAR constant.
5266 (builtin_read_<mode>): Delete.
5267 (builtin_write_<mode>): Delete.
5268 ("optional_membar_<mode>"): Add operand.
5270 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5271 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5272 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5273 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5274 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5275 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5276 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5277 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5278 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5280 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5282 * df.c (df_uses_record): Handle SCRATCH.
5284 2005-07-28 Steven Bosscher <stevenb@suse.de>
5287 * passes.c (rest_of_decl_compilation): If decl is a type and
5288 we have encountered errors, don't emit debug information.
5290 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5292 * params.def: Fixed comment.
5294 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
5297 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5298 (TARGET_ASM_UNALIGNED_HI_OP): Add.
5299 (TARGET_ASM_UNALIGNED_SI_OP): Add.
5301 2005-07-27 Steven Bosscher <stevenb@suse.de>
5304 * varasm.c (assemble_start_function): Don't do anything that may
5305 require a CFG if the current function is a thunk.
5307 2005-07-25 Geoffrey Keating <geoffk@apple.com>
5309 * doc/install.texi (Prerequisites): Mention that perl is needed
5310 to do export control in libstdc++ targetting Darwin.
5312 2005-07-27 Steven Bosscher <stevenb@suse.de>
5314 PR rtl-optimization/17808
5315 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5316 (sched_insns_conditions_mutex_p): Split out from...
5317 (add_dependence): ...here. But don't call it from here.
5318 (add_dependence_list): Check sched_insns_conditions_mutex_p
5319 before calling add_dependence.
5320 (add_dependence_list_and_free): Likewise.
5321 (fixup_sched_groups): Likewise.
5322 (sched_analyze_1): Likewise.
5323 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5324 (sched_analyze): Likewise.
5325 (sched_analyze_insn): Likewise.
5326 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5327 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
5328 dependencies on all COND_EXEC insns to jumps ending basic blocks
5329 when doing intrablock scheduling.
5330 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5332 2005-07-27 Jeff Law <law@redhat.com>
5334 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5335 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
5336 equivalency sets, correctly handle the case were vr0 has an
5337 equivalency set, but vr1 does not.
5339 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
5341 PR tree-optimization/23073
5342 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5343 vect_print_dump_info before fprintf.
5345 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5347 PR tree-optimize/22348
5348 * tree-ssa-loop-niter.c (number_of_iterations_cond):
5349 Fold the partial computation.
5351 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5353 PR tree-optimization/22325
5354 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5356 * tree-scalar-evolution.c (scev_const_prop): Add generic final
5358 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5359 (force_var_cost): ... this function.
5360 (compute_phi_arg_on_exit): Export.
5362 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5364 PR tree-optimization/20773
5365 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5368 2005-07-27 Richard Guenther <rguenther@suse.de>
5370 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5371 Avoid pushing again if current struct contains only
5372 fields we decomposed.
5374 2005-07-27 Jan Hubicka <jh@suse.cz>
5376 PR tree-optimization/22574
5377 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5380 * tree-tailcall.c (decrease_profile): New function.
5381 (eliminate_tail_call): Use it.
5383 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5384 visibility flags correctly in whole program mode.
5386 2005-07-26 Steve Ellcey <sje@cup.hp.com>
5388 PR rtl-optimization/22472
5389 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5391 2005-07-26 Steven Bosscher <stevenb@suse.de>
5393 PR tree-optimization/22504
5394 * tree-complex.c (expand_complex_addition): Use 'code' instead
5395 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5397 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5399 * config.gcc (cpu_type): Add frv case.
5400 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5401 (supported_defaults): Add fr550 case.
5403 2005-07-26 Diego Novillo <dnovillo@redhat.com>
5406 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5407 whether a pointer of type T * may point to objects of type T *.
5409 2005-07-26 DJ Delorie <dj@redhat.com>
5411 * configure: Regenerate.
5413 2005-07-26 Dale Johannesen <dalej@apple.com>
5415 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
5417 2005-07-26 Mark Mitchell <mark@codesourcery.com>
5419 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5420 Clarify use of "build" in name.
5422 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5424 * doc/extend.texi (Raw read/write Functions): New section.
5425 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5426 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5427 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5428 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5429 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5430 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5431 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5432 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5433 * config/frv/frv.c: Add bdesc_loads global.
5434 Add bdesc_stores global.
5435 (frv_init_builtins): Add support for __builtin_{read/write}*.
5436 (frv_volatile_memref): New.
5437 (frv_expand_load_builtin): New.
5438 (frv_expand_store_builtin): New.
5439 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5440 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5441 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5442 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5443 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5444 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5445 (builtin_read_<mode>): New.
5446 (builtin_write_<mode>): New.
5447 (builtin_write64): New.
5448 (optional_membar_<mode>): New.
5450 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
5452 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5453 (rather than units) against HOST_BITS_PER_WIDE_INT.
5455 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
5457 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5458 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5459 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5460 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5463 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5464 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5465 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5467 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5469 2005-07-26 Richard Guenther <rguenther@suse.de>
5471 PR tree-optimization/22486
5472 * fold-const.c (fold_unary): Fold away useless component
5473 references of the form (T *)&T.x, if the address
5476 2005-07-25 James E Wilson <wilson@specifixinc.com>
5478 * dwarf2out.c (add_call_src_coords_attributes): New.
5479 (gen_inlined_subroutine_die): Call it.
5480 (maybe_emit_file, init_file_table): Add comments.
5481 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5483 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5484 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5485 * tree.h (BLOCK_SOURCE_LOCATION): New.
5486 (struct tree_block): New field locus.
5488 2005-07-26 Andreas Schwab <schwab@suse.de>
5490 PR rtl-optimization/23043
5491 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5492 when allocating a struct unoccr.
5494 2005-07-25 Richard Henderson <rth@redhat.com>
5497 * tree-complex.c (gate_no_optimization): True if errors.
5498 * Makefile.in (tree-complex.o): Update dependencies.
5500 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
5502 * config/frv/predicates.md (integer_register_operand): Use
5505 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5508 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
5510 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
5512 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5514 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
5515 types when flag_unsafe_math_optimizations is true.
5517 2005-07-25 Mark Mitchell <mark@codesourcery.com>
5519 * gcc.c (option_map): Add --sysroot.
5520 (process_command): Handle --sysroot.
5521 (display_help): Document it.
5522 * doc/cppopts.tex (-isysroot): Document.
5523 * doc/invoke.texi (--sysroot): Document.
5524 * doc/install.texi (--with-build-sysroot): Document.
5526 * Makefile.in (inhibit_libc): New variable.
5527 (INHIBIT_LIBC_CFLAGS): Likewise.
5528 (LIBGCC2_CFLAGS): Include
5529 $(INHIBIT_LIBC_CFLAGS).
5530 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
5531 ($(T)crtbegin.o): Do not use @inhibit_libc@.
5532 ($(T)crtend.o): Likewise.
5533 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
5534 ($(T)crtendS.o): Likewise.
5535 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
5536 ($(T)crtendT.o): Likewise.
5537 (stmp-fixinc): Do not complain about missing headers if
5539 * configure.ac (inhibit_libc): Set it to true/false.
5540 (--with-build-sysroot): New option. Use it to set
5542 * configure: Regenerated.
5544 2005-07-25 Manfred Hollstein <mh@suse.com>
5546 * calls.c (store_one_arg): Fix unsigned comparison warning.
5548 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5551 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5552 (ggc_print_statistics): Initialize variable before use.
5554 2005-07-25 Richard Guenther <rguenther@suse.de>
5556 * tree-dfa.c (mark_new_vars_to_rename): Protect against
5557 calling with a PHI_NODE argument.
5559 * tree-flow-inline.h (overlap_subvar): Protect against
5562 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
5564 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5565 * configure: Regenerate.
5567 2005-07-25 Ira Rosen <irar@il.ibm.com>
5569 * expr.c (highest_pow2_factor): Make extern.
5570 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
5571 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5572 record_array_differ_p, array_ptr_differ_p): Likewise.
5573 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5574 additional cases. Call the above functions.
5575 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5576 base_object_differ_p when there are two base objects. Otherwise, compare
5577 base address and offset. Call may_alias_p.
5578 (dump_data_reference): Use a correct field name.
5579 (analyze_array): Make static. Initialize new data-ref fields.
5580 (analyze_indirect_ref): New function.
5581 (init_data_ref): Initialize new data-ref fields.
5582 (strip_conversion): Moved from tree-vect-analyze.c.
5583 (analyze_offset_expr, get_ptr_offset, address_analysis,
5584 object_analysis): Likewise.
5585 (analyze_offset): New function.
5586 (create_data_ref): Likewise.
5587 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
5588 dimensions for ARRAY_REFs only.
5589 (build_classic_dist_vector): Make static.
5590 (access_functions_are_affine_or_constant_p): Call macro to get the
5591 address of access functions.
5592 (compute_all_dependences): Add new parameter
5593 compute_self_and_read_read_dependences. Compute self and read-read
5594 dependences if it is true.
5595 (find_data_references_in_loop): Call create_data_ref. Initialize new
5597 (compute_data_dependences_for_loop): Add new parameter
5598 compute_self_and_read_read_dependences. Remove parameter nb_loops,
5599 compute nb_loops. Call compute_all_dependences,
5600 build_classic_dist_vector and build_classic_dir_vector with correct
5602 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5603 with correct parameters. Compare dimensions for ARRAY_REFs only.
5604 (free_data_refs): Call macro to free access functions.
5605 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5606 fields from stmt_vinfo.
5607 (struct base_object_info): New structure.
5608 (struct data_reference): Move fields to base_object_info. Add fields
5609 first_location and object_info for above structures. Move fields from
5610 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5611 aligned_to. Add macros to access the new fields.
5612 Update functions declarations.
5613 * tree-flow.h (is_aliased_with): Declare.
5614 * tree-loop-linear.c (linear_transform_loops): Call
5615 compute_data_dependences_for_loop with correct parameters.
5616 * tree-ssa-alias.c (is_aliased_with): New function.
5617 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5618 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5619 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5620 vect_base_addr_differ_p, compute_subscript_distance and
5621 build_classic_dist_vector. Add printings. Check absolute value of
5623 (vect_analyze_data_ref_dependences): Go through ddrs instead of
5625 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5626 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5627 to bytes. Add printing.
5628 (vect_compute_data_refs_alignment): Go through loads and stores in one
5630 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5631 vect_analyze_data_ref_access): Likewise.
5632 (vect_analyze_pointer_ref_access): Remove.
5633 (vect_address_analysis, vect_object_analysis): Likewise.
5634 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5635 and analyze data-refs in the loop.
5636 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5637 fields of data-ref instead of stmt. Add init to the offset from the
5639 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5640 (vect_update_init_of_dr): Likewise.
5641 (vect_update_inits_of_drs): Go through loads and stores in one loop.
5642 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5644 (new_loop_vec_info): Initialize new fields.
5645 (destroy_loop_vec_info): Free new fields.
5646 (vect_strip_conversion): Remove.
5647 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5648 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5649 datarefs. Add new field ddrs.
5650 Add macros for the new fields access.
5651 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5652 base_aligned_p, misalignment, memtag, ptr_info and subvars.
5653 Remove their macros.
5654 * tree.h (highest_pow2_factor): Declare.
5656 2005-07-25 Jakub Jelinek <jakub@redhat.com>
5658 * calls.c (store_one_arg): Check for sibling call MEM arguments
5659 from already clobbered incoming argument area.
5661 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5663 * c-common.c (check_missing_format_attribute): New.
5664 * c-common.h (check_missing_format_attribute): Likewise.
5665 * c-typeck.c (convert_for_assignment): Use it.
5667 2005-07-24 Andreas Schwab <schwab@suse.de>
5669 * config/m68k/m68k.md ("extendqidi2"): When source is an address
5670 register use a word move. Correct operand of ext.w in 68000 code.
5672 2005-07-23 Mark Mitchell <mark@codesourcery.com>
5674 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5675 variables as declarations, rather than definitions.
5677 2005-07-24 Ira Rosen <irar@il.ibm.com>
5679 PR tree-optimization/22526
5680 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5683 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5685 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5686 that C99 reserve for future use. Use it to define clog10,
5687 clog10f and clog10l.
5689 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5691 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5692 * configure.ac: Check for -Wmissing-format-attribute.
5694 * configure: Regenerate.
5696 2005-07-23 Richard Henderson <rth@redhat.com>
5698 PR tree-optimization/22623
5699 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5701 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
5704 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5706 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5708 * Makefile.in (C_TREE_H): Update dependencies.
5709 * c-tree.h: Include toplev.h.
5710 * diagnostic.h (diagnostic_set_info): Add format attribute.
5711 * rtl-error.c (diagnostic_for_asm): Likewise.
5713 2005-07-23 Chao-ying Fu <fu@mips.com>
5715 * config/mips/mips-dsp.md: New file.
5716 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5717 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5719 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5720 MIPS_BUILTIN_BPOSGE32.
5721 (mips_expand_builtin_direct): Add one parameter to indicate that
5722 builtin functions need to return a value.
5723 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5725 (mips_regno_to_class): Add classes for 12 new DSP registers.
5726 (mips_subword): Change to check four HI registers.
5727 (mips_output_move): Output move to and from 6 new DSP accumulators.
5728 (override_options): Make sure -mdsp and -mips16 are not used together.
5729 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
5731 (mips_conditional_register_usage): Disable 6 new DSP accumulators
5733 (print_operand): Add 'q' for printing DSP accumulators.
5734 (mips_cannot_change_mode_class): Check ACC_REGS.
5735 (mips_secondary_reload_class): Check ACC_REGS.
5736 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5737 (mips_register_move_cost): Check ACC_REGS.
5738 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5739 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5740 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5741 (dsp_bdesc): New array.
5742 (bdesc_arrays): Add DSP builtin function table.
5743 (mips_prepare_builtin_arg): Check predicate again after
5745 (mips_expand_builtin): Add one more parameter to
5746 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5747 MIPS_BUILTIN_BPOSGE32.
5748 (mips_init_builtins): Initialize new function types.
5749 (mips_expand_builtin_direct): Check if builtin functions need to
5750 return a value and pass operands properly.
5751 (mips_expand_builtin_bposge): New function.
5752 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5753 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5754 (FIRST_PSEUDO_REGISTER): Increase to 188.
5755 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5756 Update for 12 new DSP registers.
5757 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5758 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5759 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5760 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5761 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5762 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5763 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5764 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5765 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5766 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5767 (REGISTER_NAMES): Add names for 12 new DSP registers.
5768 * config/mips/mips.md: Include mips-dsp.md.
5769 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5770 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5771 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5772 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5773 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5774 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5775 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5776 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5777 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5778 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5779 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5780 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5781 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5782 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5783 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5784 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5785 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5786 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5787 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5788 (UNSPEC_RDDSP): New constants.
5789 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5790 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
5792 * config/mips/mips.opt (-mdsp): New option.
5793 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5794 (reg_imm10_operand): New predicates.
5795 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5796 * doc/invoke.texi (-mdsp): Document new option.
5798 2005-07-22 DJ Delorie <dj@redhat.com>
5800 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5802 * tree-inline.c (inlinable_function_p): Likewise.
5804 2005-07-22 Mark Mitchell <mark@codesourcery.com>
5807 * toplev.c (check_global_declarations): Do not mark undefined
5808 variables as DECL_IGNORED_P.
5809 * varasm.c (first_global_object_name): GTY it.
5810 (weak_global_object_name): Likewise.
5811 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5812 a string to go into {weak,first}_global_object_name.
5814 2005-07-22 DJ Delorie <dj@redhat.com>
5816 * c-format.c (check_function_format): Change warning control
5817 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5819 2005-07-22 Diego Novillo <dnovillo@redhat.com>
5821 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5822 &PTR->FLD a dereference of PTR.
5823 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5824 a potential dereference of PTR.
5826 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
5828 PR rtl-optimization/20370
5829 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5830 call allocate_reg_info if necessary.
5832 PR rtl-optimization/21848
5833 * calls.c (emit_library_call_value_1): For const functions, add
5834 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5836 PR rtl-optimization/22445
5837 * cselib.c (target.h): Include.
5838 (rtx_equal_for_cselib_p): Allow commutative matches.
5839 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5840 Remove MODE parameter. Changed all callers.
5842 PR rtl-optimization/22258
5843 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5845 (try_combine): Use likely_spilled_retval_p.
5847 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
5849 * config.gcc: Add crx-elf support.
5851 * doc/contrib.texi: Mention crx.
5852 * doc/extend.texi: Document crx extensions.
5853 * doc/install.texi: Document crx install.
5854 * doc/invoke.texi: Document crx options.
5855 * doc/md.texi: Document crx constraints.
5857 * config/crx/crx-protos.h: New file.
5858 * config/crx/crx.c: New file.
5859 * config/crx/crx.h: New file.
5860 * config/crx/crx.md: New file.
5861 * config/crx/crx.opt: New file.
5862 * config/crx/t-crx: New file.
5864 2005-07-22 Manfred Hollstein <mh@suse.com>
5866 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5868 (int_add_graph_edge): Likewise.
5869 (collapse_nodes): Likewise.
5870 (process_unification_queue): Likewise.
5872 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5873 Laurent GUERBY <laurent@guerby.net>
5875 PR tree-optimization/22336
5876 * function.c (record_block_change): Check for
5877 cfun->ib_boundaries_block.
5879 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
5881 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5882 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5884 2005-07-21 DJ Delorie <dj@redhat.com>
5886 * toplev.c (warn_deprecated_use): Add warning control to warning
5888 * c-typeck.c (parser_build_binary_op): Likewise.
5889 (c_finish_if_stmt): Likewise.
5890 * c-common.c (check_function_sentinel): Likewise.
5891 (check_nonnull_arg): Likewise.
5893 2005-07-21 Richard Henderson <rth@redhat.com>
5896 * tree-complex.c (complex_ssa_name_components): New.
5897 (cvc_lookup): Allow entry not found.
5898 (create_components): Remove.
5899 (create_one_component_var, get_component_var): New.
5900 (get_component_ssa_name, set_component_ssa_name): New.
5901 (extract_component): Use get_component_ssa_name.
5902 (update_complex_components): Use set_component_ssa_name.
5903 (update_complex_components_on_edge): Likewise.
5904 (update_phi_components): Create new PHI nodes directly, instead
5905 of adding insns to edges.
5906 (tree_lower_complex): Allocate and free complex_variable_components
5907 and complex_ssa_name_components here.
5909 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
5911 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5912 revert to returning false.
5914 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5917 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5919 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5922 * config/i386/i386.md (cmpxf): Change operand constraints
5923 to "nonmemory_operand".
5925 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5927 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5929 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5932 * fold-const.c (fold_build1): Add checksum for the operands.
5933 (fold_build2): Likewise.
5934 (fold_build3): Likewise.
5936 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5939 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5941 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5943 * common.opt (-fforward-propagate): Committed by mistake,
5946 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5948 * reg-stack.c: Fix comment typo(s).
5949 * tree-ssa-operands.c: Likewise.
5950 * tree-vectorizer: Likewise.
5952 2005-07-21 Nick Clifton <nickc@redhat.com>
5954 * config/sh/symbian.c: Replace C++ style line comments with C
5955 style line comments.
5956 (symbian_add_attribute): Do not use a ? operator on the LHS of
5958 (sh_symbian_handle_dll_attribute): Change the type of the
5959 method vector to "VEC(tree,gc)*" and use vector accessor
5960 macros to walk over the elements.
5961 (symbian_export_vtable_and_rtti_p): Likewise.
5962 (symbian_class_needs_attribute_p): Likewise.
5964 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5967 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5968 initialize targetm.resolve_overloaded_builtin here.
5969 (altivec_expand_overloaded_builtin): Make it non-static.
5970 * config/rs6000/rs6000-protos.h
5971 (altivec_expand_overloaded_builtin): New prototype.
5972 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5973 targetm.resolve_overloaded_builtin here.
5974 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5976 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5977 Zdenek Dvorak <dvorakz@suse.cz>
5979 PR tree-optimization/19210
5980 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5982 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5983 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5984 rely on unproven assumptions.
5985 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5986 * tree-flow.h (number_of_iterations_exit): Add final parameter.
5987 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5988 to number_of_iterations_exit.
5989 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5990 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5991 * tree-ssa-loop-niter.c (find_loop_niter,
5992 estimate_numbers_of_iterations_loop): Likewise.
5993 (number_of_iterations_exit): Honor the new options.
5994 * doc/invoke.texi (Wunsafe-loop-optimizations,
5995 funsafe-loop-optimizations): Document them.
5997 2005-07-21 Richard Sandiford <richard@codesourcery.com>
5999 PR rtl-optimization/22167
6000 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6002 2005-07-20 Adam Nemet <anemet@lnxw.com>
6004 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6005 __do_global_dtors_aux longcall.
6007 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6009 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6010 (old_special_pred_table): Don't reference
6011 SPECIAL_MODE_PREDICATES.
6012 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6013 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6014 * config/sh/predicates.h: Don't mention
6015 SPECIAL_MODE_PREDICATES.
6016 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6019 2005-07-20 DJ Delorie <dj@redhat.com>
6021 * config.gcc: Add m32c-elf support.
6023 * doc/contrib.texi: Mention m32c.
6024 * doc/extend.texi: Document m32c extensions.
6025 * doc/install.texi: Mention m32c.
6026 * doc/invoke.texi: Document m32c options.
6027 * doc/md.texi: Document m32c constraints.
6029 * config/m32c/addsub.md: New file.
6030 * config/m32c/bitops.md: New file.
6031 * config/m32c/cond.md: New file.
6032 * config/m32c/jump.md: New file.
6033 * config/m32c/m32c-lib1.S: New file.
6034 * config/m32c/m32c-lib2.c: New file.
6035 * config/m32c/m32c-modes.def: New file.
6036 * config/m32c/m32c-pragma.c: New file.
6037 * config/m32c/m32c-protos.h: New file.
6038 * config/m32c/m32c.abi: New file.
6039 * config/m32c/m32c.c: New file.
6040 * config/m32c/m32c.h: New file.
6041 * config/m32c/m32c.md: New file.
6042 * config/m32c/m32c.opt: New file.
6043 * config/m32c/minmax.md: New file.
6044 * config/m32c/mov.md: New file.
6045 * config/m32c/muldiv.md: New file.
6046 * config/m32c/predicates.md: New file.
6047 * config/m32c/prologue.md: New file.
6048 * config/m32c/shift.md: New file.
6049 * config/m32c/t-m32c: New file.
6051 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6053 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6054 (stack_protect_set, stack_protect_test): New expanders.
6055 (stack_protect_set_si, stack_protect_set_si_media,
6056 stack_protect_set_di_media, stack_protect_test_si,
6057 stack_protect_test_si_media, stack_protect_test_di_media):
6060 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6062 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6064 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6066 * tree.h (tree_expr_nonzero_p): Export.
6067 * fold-const.c (tree_expr_nonzero_p): Likewise.
6068 Return true for CALL_EXPRs that are alloca calls.
6069 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6071 * tree-flow.h (expr_computes_nonzero): Remove.
6072 * tree-vrp.c (expr_computes_nonzero): Remove.
6073 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6074 (extract_range_from_unary_expr): Likewise.
6075 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6076 tree_expr_nonzero_p.
6078 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6080 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6081 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6082 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6083 All callers changed.
6084 (frame_related_constant_load): New arg "related" which controls
6085 setting of RTX_FRAME_RELATED_P. All callers changed.
6086 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6087 (bfin_expand_prologue): Add stack limit checking.
6088 * config/bfin/bfin.md (trapifcc): New pattern.
6090 * config/bfin/bfin.c: Include "langhooks.h".
6091 (def_builtin): Go through lang_hooks to call builtin_function.
6093 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6094 * config/bfin/predicates.md (symbol_ref_operand): New.
6095 (call_insn_operand): Delete. All callers changed to use
6096 register_no_elim_operand.
6097 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6099 (function_arg): Use it to generate the call's operand 2.
6100 (bfin_longcall_p): New function.
6101 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6102 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6103 determine if the address needs to be in a REG.
6104 (bfin_handle_longcall_attribute): New function.
6105 (bfin_attribute_table): Add "longcall" and "shortcall".
6106 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6107 (CUMULATIVE_ARGS): New member call_cookie.
6108 (PREDICATE_CODES): Add symbol_ref_operand.
6109 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6110 extra USE to the pattern.
6111 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6112 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6113 sibcall_value_insn; now the new patterns handle direct calls and the
6114 old ones indirect calls.
6115 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6117 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6119 * doc/trouble.texi: Update section on handling of empty loops.
6121 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6123 * config.gcc: Remove support for sparc-*-openbsd*,
6124 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6126 * config.host: Remove support for i860-*-sysv4* as a host.
6127 * config/i860/*, config/ip2k/*, config/ns32k/*,
6128 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6129 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6130 mention obsolete ports.
6132 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6134 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6136 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6137 of frame_pointer_rtx.
6138 (sh_expand_epilogue): Likewise.
6139 (sh_set_return_address): Likewise.
6140 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6141 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6142 offsets from FRAME_POINTER_REGNUM.
6143 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6144 (sh_register_names): Add initializer for sfp.
6145 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6146 (VALID_REGISTER_P): Likewise.
6147 (FIRST_PSEUDO_REGISTER): Update.
6148 (DWARF_FRAME_REGISTERS): Define.
6149 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6150 (HARD_FRAME_POINTER_REGNUM): Define.
6151 (FRAME_POINTER_REGNUM): Redefine.
6152 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6153 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6154 from FRAME_POINTER_REGNUM.
6155 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6156 FRAME_POINTER_REGNUM.
6157 (REG_CLASS_CONTENTS): Add sfp.
6158 (REG_ALLOC_ORDER): Likewise.
6159 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6160 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6161 of frame_pointer_rtx.
6162 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6164 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6166 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6167 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6168 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6170 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6173 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6175 Make CONSTRUCTOR use VEC to store initializers.
6176 * c-common.c (complete_array_type): Update to cope with VEC in
6178 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6179 (pp_c_constructor_elts): New function.
6180 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6181 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6182 struct constructor_stack, struct initializer_stack,
6183 constructor_elements, push_init_level, pop_init_level,
6184 add_pending_init, find_init_member, output_init_element): Update to
6185 cope with VEC in CONSTRUCTOR_ELTS.
6186 * coverage.c (build_fn_info_value, build_ctr_info_value,
6187 build_gcov_info): Likewise.
6188 * expr.c (categorize_ctor_elements_1, store_constructor,
6189 expand_expr_real_1): Likewise.
6190 * fold-const.c (fold_ternary): Likewise.
6191 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6192 gimplify_init_constructor, gimplify_expr): Likewise.
6193 * tree-dump.c (dequeue_and_dump): Likewise.
6194 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6196 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6198 * tree-sra.c (generate_element_init_1): Likewise.
6199 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6200 * tree-ssa-operands.c (get_expr_operands): Likewise.
6201 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6202 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6203 (get_initial_def_for_reduction): Likewise.
6204 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6205 value handle in annotations.
6206 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6207 tree_node_structure): Add support for constr_kind.
6208 (build_vector_from_ctor, build_constructor_single,
6209 build_constructor_from_list): New functions.
6210 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6211 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6212 Update to cope with VEC in CONSTRUCTOR_ELTS.
6213 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6214 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6215 CONSTRUCTOR_APPEND_ELT): New macros.
6216 (struct constructor_elt, struct tree_constructor): New data types.
6217 (union tree_node): Add tree_constructor field.
6218 * treestruct.def: Define TS_CONSTRUCTOR.
6219 * varasm.c (const_hash_1, compare_constant, copy_constant,
6220 compute_reloc_for_constant, output_addressed_constants,
6221 initializer_constant_valid_p, output_constant,
6222 array_size_for_constructor, output_constructor): Update to cope with
6223 VEC in CONSTRUCTOR_ELTS.
6224 * vec.h (VEC_empty, VEC_copy): New macros.
6226 2005-07-19 Devang Patel <dpatel@apple.com>
6228 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6230 2005-07-19 Richard Henderson <rth@redhat.com>
6233 * gimplify.c (gimplify_expr): Use main variant type for the temp
6234 destination for a discarded volatile read.
6235 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6236 casts between non-void types that change volatility.
6238 2005-07-15 DJ Delorie <dj@redhat.com>
6240 * toplev.h: Add comment about the first parameter for warning().
6241 * errors.h: Likewise.
6243 * c.opt (Wpragmas): New.
6244 * doc/invoke.texi: Document it.
6246 * function.c (do_warn_unused_parameter): Add warning control to
6248 * c-decl.c (warn_if_shadowing): Likewise.
6249 * c-lex.c (cb_def_pragma): Likewise.
6250 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6251 (pop_alignment): Likewise.
6252 (handle_pragma_pack): Likewise.
6253 (apply_pragma_weak): Likewise.
6254 (handle_pragma_weak): Likewise.
6255 (handle_pragma_redefine_extname): Likewise.
6256 (add_to_renaming_pragma_list): Likewise.
6257 (handle_pragma_extern_prefix): Likewise.
6258 (maybe_apply_renaming_pragma): Likewise.
6259 (handle_pragma_visibility): Likewise.
6261 * config/c4x/c4x-c.c (BAD): Likewise.
6262 (c4x_parse_pragma): Likewise.
6263 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6264 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6265 (rs6000_pragma_longcall): Likewise.
6266 * config/v850/v850-c.c (pop_data_area): Likewise.
6267 (ghs_pragma_section): Likewise.
6268 (ghs_pragma_section): Likewise.
6269 (ghs_pragma_interrupt): Likewise.
6270 (ghs_pragma_starttda): Likewise.
6271 (ghs_pragma_startsda): Likewise.
6272 (ghs_pragma_startzda): Likewise.
6273 (ghs_pragma_endtda): Likewise.
6274 (ghs_pragma_endsda): Likewise.
6275 (ghs_pragma_endzda): Likewise.
6277 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6278 Kenneth Zadeck <zadeck@naturalbridge.com>
6280 * Makefile.in: Removed tree-promote-statics.c
6281 * tree-promote-statics.c: Removed.
6282 * common.opt: Removed flag-promote-statics.
6284 * passes.c: Removed tree-promote-statics pass.
6285 * tree-pass.h: Ditto.
6286 * timevar.def: Removed TV_PROMOTE_STATICS.
6289 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6291 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6293 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6295 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6298 * c-common.c (check_function_arguments): Call
6299 'check_function_format' if either -Wformat or
6300 -Wmissing-format-attribute are specified.
6301 * c-format.c (check_function_format): Check -Wformat before
6302 calling 'check_format_info'.
6303 * c-opts.c (c_common_post_options): Don't warn for
6304 -Wmissing-format-attribute without -Wformat.
6305 * c-typeck.c (convert_for_assignment): Detect additional cases for
6306 -Wmissing-format-attribute.
6307 * doc/invoke.texi (-Wmissing-format-attribute): Document new
6310 2005-07-19 Richard Guenther <rguenther@suse.de>
6312 * config/i386/i386.md (lrint<mode>2): Use temporary
6313 instead of clobbering non-existent memory.
6315 2005-07-19 Nick Clifton <nickc@redhat.com>
6317 * config/avr/avr.c (legitimate_address_p): Fix debugging print
6318 statement to avoid displaying ASCII control characters.
6320 2005-07-19 Ben Elliston <bje@au.ibm.com>
6322 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6323 * cfganal.c (find_edge_index): Ditto.
6324 * combine.c (combine_instructions): Ditto.
6325 * ddg.c (create_scc): Ditto.
6326 (find_successors): Ditto.
6327 (find_predecessors): Ditto.
6328 (find_nodes_on_paths): Ditto.
6329 (longest_simple_path): Ditto.
6330 * flow.c (update_life_info): Ditto.
6331 (count_or_remove_death_notes): Ditto.
6332 (clear_log_links): Ditto.
6333 * modulo-sched.c (generate_reg_moves): Ditto.
6334 (find_max_asap): Ditto.
6335 (find_max_hv_min_mob): Ditto.
6336 (find_max_dv_min_mob): Ditto.
6337 * sbitmap.c (sbitmap_first_set_bit): Ditto.
6338 * sched-rgn.c (extract_edgelst): Ditto.
6339 * tree-into-ssa.c (prepare_names_to_update): Ditto.
6340 (dump_update_ssa): Ditto.
6341 (ssa_names_to_replace) Ditto.
6342 (switch_virtuals_to_full_rewrite): Ditto.
6343 (update_ssa): Ditto.
6344 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6346 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
6348 Fix PR tree-optimization/22483
6350 * tree-complex.c (create_components): Use
6351 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6352 * tree-flow-inline.h (fill_referenced_var_vec): New function.
6353 * tree-flow.h (safe_referenced_var_iterator): New structure.
6354 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6355 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6356 safe_referenced_var iterator.
6357 (add_type_alias): Ditto.
6359 2005-07-19 Steven Bosscher <stevenb@suse.de>
6361 * loop-init.c (rest_of_handle_loop2): Remove.
6362 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6363 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6364 (pass_rtl_loop_init, pass_rtl_loop_done,
6365 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6366 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6367 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6368 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6369 pass_tree_loop_done, and pass_tree_unswitch.
6370 (gate_loop): Rename to gate_tree_loop.
6371 * passes.c (init_optimization_passes): Update for renamed tree
6372 loop passes. Add the new loop2 passes as subpasses of loop2.
6373 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6374 Update for the renamed tree loop passes.
6376 2005-07-18 Ian Lance Taylor <ian@airs.com>
6379 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6380 blocks when optimizing.
6382 2005-07-18 Steve Ellcey <sje@cup.hp.com>
6384 * common.opt (frename-registers): Initialize to 2.
6386 (fgcse-after-reload): Ditto.
6387 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6388 (process_options): Only change flag_web, flag_rename_registers,
6389 and flag_rerun_cse_after_loop if not explicitly set by user.
6391 2005-07-18 Jan Beulich <jbeulich@novell.com>
6393 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6394 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6395 in 64-bit mode the same as DImode in 32-bit mode.
6396 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6397 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6398 mode. Add new mode parameter.
6399 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6400 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6401 x86_64_shift_adj): New expanders.
6402 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6403 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6405 Respective new splitters. Use renamed shift splitter helpers in 32-bit
6406 DImode shift splitters.
6407 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6408 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6411 2005-07-18 Jan Beulich <jbeulich@novell.com>
6413 * i386.md (movdi_extzv_1): New.
6414 (zero_extendhidi2): Combine alternatives and never force use of
6416 (zero_extendqidi2): Likewise. Don't restrict input selection.
6418 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6420 Fix PR tree-optimization/22531
6421 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
6424 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6426 * tree-promote-statics.c (pass_promote_statics): Change dump file
6429 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6431 * tree-optimize.c (init_tree_optimization_passes): Add
6432 pass_eliminate_useless_stores pass.
6433 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6434 * tree-ssa-pre.c (is_copy_stmt): New function.
6435 (follow_copies_till_vuse): Ditto.
6436 (do_eustores): Ditto.
6437 (gate_eustores): Ditto.
6439 2005-07-16 Richard Henderson <rth@redhat.com>
6441 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6443 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6444 Kenneth Zadeck <zadeck@naturalbridge.com>
6446 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6447 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6448 ipa-type-escape.h, tree-promote-statics.c
6449 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6450 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6451 tree-promote-statics.c: new files.
6452 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6453 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6454 int nonlocal_set_p, mark_constant_function): Deleted.
6455 (rest_of_handle_cfg): Removed call to mark_constant_function.
6456 (nonoverlapping_component_refs_p): Added calls to support
6457 type based aliasing.
6458 * tree-ssa-alias.c (may_alias_p,
6459 compute_flow_insensitive_aliasing): Ditto.
6460 * calls.c (flags_from_decl_or_type): Removed reference to
6462 * c-typeck.c (convert_arguments): Make builtins tolerant of having
6463 too many arguments. This is necessary for Spec 2000.
6464 * cgraph.h (const_function, pure_function): Removed.
6465 * common.opt: Added "fipa-pure-const", "fipa-reference",
6466 "fipa-type-escape", and "ftree-promote-static".
6468 * passes.c: Added ipa and tree-promote-statics passes.
6469 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6470 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6471 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6472 * tree-flow.h: Added exposed sra calls and addition of
6473 reference_vars_info field for FUNCTION_DECLS.
6474 * tree-pass.h: Added passes.
6475 * tree-sra.c: (sra_init_cache): New function.
6476 (sra_insert_before, sra_insert_after) Made public.
6477 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6479 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6480 aliasing. (may_alias_p): Added code to use type escape analysis to
6482 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6483 code to prune clobbers of static variables based on information
6484 produced in ipa-reference pass. Changed call clobbering so that
6485 statics are not marked as clobbered if the call does not clobber
6488 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
6490 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6493 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6495 * doc/install.texi (*-*-solaris2*): Document recommended version
6496 of GNU binutils and mention GNU linker problem on Solaris 10.
6498 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
6501 * c-decl.c (c_build_bitfield_integer_type): New function.
6502 (finish_struct): Call it.
6503 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
6505 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6507 * c-typeck.c (digest_init): Call 'convert_for_assignment'
6510 2005-07-16 Jan Hubicka <jh@suse.cz>
6512 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
6513 (scale_bbs_frequencies_int): Watch roundoff errors.
6514 * predict.c (return_prediction): Initialize return_stmt.
6516 2005-07-16 Jan Hubicka <jh@suse.cz>
6518 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
6519 after RTL profiling.
6521 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
6524 * fold-const.c (build_range_check): Convert high/low to etype
6525 if we are only comparing against exp.
6527 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
6529 Fix PR tree-optimization/22376
6530 * tree-ssa-structalias.c (build_constraint_graph): We really meant
6532 (need_to_solve): New function.
6533 (compute_points_to_sets): Use it.
6535 2005-07-15 Jan Hubicka <jh@suse.cz>
6537 * cfg.c (update_bb_profile_for_threading): More diagnostic.
6538 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
6540 2005-07-15 Richard Guenther <rguenther@suse.de>
6542 * c-common.c (handle_flatten_attribute): New function.
6543 Add flatten function attribute.
6544 * doc/extend.texi: Document flatten function attribute.
6545 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
6546 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
6548 (cgraph_decide_inlining): Handle functions with flatten
6551 2005-07-14 David Edelsohn <edelsohn@gnu.org>
6553 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6554 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6555 UNSPEC_XCHG, UNSPEC_AND): New.
6556 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6557 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6558 * config/rs6000/sync.md (FETCHOP): New code macro.
6559 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6561 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6562 (sync_compare_and_swap<mode>): Same.
6563 (sync_lock_test_and_set<mode>): Same.
6564 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6565 for QImode and HImode, and not PPC405.
6566 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6567 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6568 (sync_<fetchop>{si,di}_internal): New.
6569 (sync_nand{si,di}_internal): New.
6570 (sync_old_<fetchop>{si,di}_internal): New.
6571 (sync_old_nand{si,di}_internal): New
6572 (sync_new_<fetchop>{si,di}_internal): New.
6573 (sync_new_nand{si,di}_internal): New.
6574 (atomic_and{si,di}): New.
6575 (sync_new_nand{si,di}_internal): New.
6576 (atomic_and{si,di}): New.
6577 (sync_add<mode>_internal): Delete.
6578 (sync_addshort_internal): Use unspec instead of unspec_volatile.
6579 (sync_sub<mode>_internal): Delte.
6580 (sync_subshort_internal): New.
6581 (sync_andsi_internal): Use unspec instead of unspec_volatile.
6582 (sync_anddi_internal): Delete.
6583 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6584 (sync_booldi_internal): Delete.
6585 (sync_boolc<mode>_internal): Delete.
6586 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
6587 (sync_boolc<mode>_internal2): Delete.
6588 (sync_boolcc<mode>_internal): Delete.
6589 (isync, lwsync): Use unspec instead of unspec_volatile.
6590 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6591 Revert UNSPEC_VOLATILE.
6592 (rs6000_split_atomic_op): New.
6593 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6595 2005-07-14 Eric Christopher <echristo@redhat.com>
6597 * config/mips/mips.c (mips_canonicalize_comparison): Cast
6598 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6600 2005-07-14 Eric Christopher <echristo@redhat.com>
6602 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6604 2005-07-14 Steven Bosscher <stevenb@suse.de>
6606 PR tree-optimization/22230
6607 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6608 the computation of the four cross productions for "range op range".
6610 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
6611 Ulrich Weigand <uweigand@de.ibm.com>
6614 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6617 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6619 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6621 2005-07-14 Steve Ellcey <sje@cup.hp.com>
6623 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6625 2005-07-14 Richard Guenther <rguenther@suse.de>
6628 * config/i386/i386-protos.h (ix86_function_value): Change
6629 prototype to match new target hook.
6630 * config/i386/i386.c (ix86_value_regno): Change prototype
6631 to take extra type argument.
6632 (TARGET_FUNCTION_VALUE): Define.
6633 (ix86_function_ok_for_sibcall): Pass extra argument to
6634 ix86_value_regno, check return slot rtx for exact match.
6635 (ix86_function_value): Take extra parameter. Dispatch to
6636 ix86_value_regno with fndecl/fntype as provided.
6637 (ix86_value_regno): Handle extra type argument.
6638 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6640 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6641 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6642 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6643 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6644 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6646 2005-07-14 Richard Guenther <rguenther@suse.de>
6648 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6649 * calls.c (expand_call): Pass fntype to hard_function_value.
6650 (emit_library_call_value_1): Likewise.
6651 * explow.c: Include target.h.
6652 (hard_function_value): Take extra argument, the fntype.
6653 Use new target hook for function_value.
6654 * expr.h (hard_function_value): Change prototype.
6655 * function.c (aggregate_value_p): Pass 0 as fntype to
6656 hard_function_value.
6657 (assign_parms): Use new target hook for function_value.
6658 Pass 0 as fntype to hard_function_value.
6659 (expand_function_end): Likewise.
6660 * reg-stack.c: Include target.h.
6661 (stack_result): Use new target hook for function_value.
6662 * target-def.h: New target hook function_value.
6663 * target.h: Likewise.
6664 * targhooks.c (default_function_value): New function.
6665 * targhooks.h (default_function_value): Declare.
6667 2005-07-13 Ian Lance Taylor <ian@airs.com>
6669 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6671 2005-07-14 Jan Hubicka <jh@suse.cz>
6673 * tree-dfa.c (dump_variable): Use default_def function.
6674 * tree-ssa-alias.c (dump_points_to_info): Likewise.
6675 * tree-ssa.c (verify_use): Likewise.
6676 * tree-ssanames.c (release_ssa_name): Likewise.
6677 * tree-tailcall.c (eliminate_tail_call): Likewise.
6678 (tree_optimize_tail_calls_1): Likewise.
6679 * tree-vrp.c (get_value_range): Likewise.
6681 2005-07-14 Ben Elliston <bje@au.ibm.com>
6683 * gcc.c (main): Compare language[0] with '*' when iterating over
6686 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6688 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6689 "s390_emit_compare". Add handling of CCZ1mode.
6690 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6691 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6693 (s390_branch_condition_mask): Add CCZ1mode handling.
6694 * config/s390/s390.md: ("seq", "*seq"): New pattern.
6695 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6696 Use CCZ1mode instead of CCZmode.
6697 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
6699 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6701 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6703 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6705 2005-07-13 Eric Christopher <echristo@redhat.com>
6707 * config/mips/mips.c (mips_canonicalize_comparison): New.
6708 (mips_emit_int_relational): Use.
6710 2005-07-13 Eric Christopher <echristo@redhat.com>
6712 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6714 * config/s390/s390.md: Include tpf.md. Move tpf specific
6716 * config/s390/tpf.md: To here.
6717 * config/s390/s390.opt: Move tpf specific options...
6718 * config/s390/tpf.opt: to here. Add mmain option.
6719 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6720 * config/s390/tpf.h: Rewrite.
6722 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6724 * doc/tm.texi: Remove @xref{Cross-profiling}.
6726 2005-07-13 Jeff Law <law@redhat.com>
6728 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6729 expressions, test their _DECL operands for pointer equality rather
6730 than using operand_equal_p.
6732 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6734 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6735 (TARGET_POSIX_IO): This.
6736 * config/darwin.h: Likewise.
6737 * config/freebsd.h: Likewise.
6738 * config/linux.h: Likewise.
6739 * config/lynx.h: Likewise.
6740 * config/netbsd.h: Likewise.
6741 * config/rs6000/linux64.h: Likewise.
6742 * config/rs6000/linux.h: Likewise.
6743 * config/s390/tpf.h: Likewise.
6744 * config/sh/embed-elf.h: Likewise.
6745 * config/sparc/linux64.h: Likewise.
6746 * config/sparc/linux.h: Likewise.
6747 * config/svr4.h: Likewise.
6748 * gcov-io.h: Likewise.
6750 * doc/tm.texi: Updated.
6752 * libgcov.c (create_file_directory): Defined only if
6753 TARGET_POSIX_IO is defined.
6754 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6757 2005-07-13 Jan Hubicka <jh@suse.cz>
6759 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6761 2005-07-13 David Edelsohn <edelsohn@gnu.org>
6763 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6764 structure as argument.
6766 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
6768 PR tree-optimization/21921
6769 * tree-iterator.c (tsi_link_before): Support the case when
6770 tsi_end_p (tsi) == true.
6772 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6774 PR tree-optimization/22442
6775 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6778 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6780 PR rtl-optimization/20376
6781 * toplev.c (process_options): Enable -fweb and -frename-registers when
6783 * doc/invoke.texi: Update the information about when -fweb and
6784 -frename-registers are enabled.
6786 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6789 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6790 if *rhs_p is not a SSA_NAME.
6792 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
6794 Fix PR tree-optimization/22422
6795 * tree-ssa-structalias.c (struct variable_info): Add flag for
6797 (get_varinfo): Now a static function.
6798 (new_varinfo): init has_union and is_special_var to false.
6799 (solution_set_add): Check has_union.
6800 (do_da_constraint): Move temporary variable so it gets reset
6802 Also check for special variable.
6803 (do_ds_constraint): Ditto.
6804 (do_sd_constraint): Ditto.
6805 (do_structure_copy): Check for special variable.
6806 (find_func_aliases): Ditto.
6807 (init_base_vars): Set special vars properly.
6809 2005-07-13 Jan Hubicka <jh@suse.cz>
6811 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6814 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6815 (get_expr_operands): Fix thinko wrt flags and subvars.
6817 PR tree-optimize/22379
6818 * tree-inline.c (expand_call_inline): Do not output sorry in early
6821 2005-07-12 Dale Johannesen <dalej@apple.com>
6823 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
6825 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6828 * host-linux.h: Include limits.h.
6830 2005-07-12 Dale Johannesen <dalej@apple.com>
6832 * expr.c (compress_float_constant): Add cost check.
6833 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
6835 2005-07-12 Dale Johannesen <dalej@apple.com>
6837 * gcc.target/i386/compress-float-sse.c: New.
6838 * gcc.target/i386/compress-float-sse-pic.c: New.
6839 * gcc.target/i386/compress-float-387.c: New.
6840 * gcc.target/i386/compress-float-387-pic.c: New.
6841 * gcc.dg/compress-float-ppc.c: New.
6842 * gcc.dg/compress-float-ppc-pic.c: New.
6844 2005-07-12 Eric Christopher <echristo@redhat.com>
6846 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6848 * config/s390/s390.md: Include tpf.md. Move tpf specific
6850 * config/s390/tpf.md: To here.
6851 * config/s390/s390.opt: Move tpf specific options...
6852 * config/s390/tpf.opt: to here. Add mmain option.
6853 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6854 * config/s390/tpf.h: Rewrite.
6856 2005-07-12 Eric Christopher <echristo@redhat.com>
6858 * gcc.c (struct infile): Update comment for language.
6859 (main): Rewrite input file resetting code.
6861 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6864 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6865 requiring a cast in a non RHS of modify_expr. Add a cast when required.
6866 (lookup_avail_expr): Use constant_boolean_node instead
6867 of boolean_false_node/boolean_true_node.
6869 2005-07-12 Ben Elliston <bje@au.ibm.com>
6871 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6872 and use it when printing num_edges.
6874 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
6876 * doc/extend.texi (Blackfin Built-in Functions): New section.
6877 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6880 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
6882 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6883 s/cmpstrsi/cmpstrnsi
6884 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6886 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6887 (init_optabs): Initialize cmpstrn_optab.
6888 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6889 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6890 * expr.c: (enum insn_code cmpstrn_optab): Declare.
6891 * config/i386/i386.md: s/cmpstr/cmpstrn
6892 * config/c4x/c4x.md: s/cmpstr/cmpstrn
6893 * doc/md.texi: Update documentation.
6895 2005-07-11 Richard Henderson <rth@redhat.com>
6897 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6898 build_va_arg_indirect_ref.
6899 (alpha_gimplify_va_arg): Likewise.
6900 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6901 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6902 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6903 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6904 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6905 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6907 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6909 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6911 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6912 * passes.c (init_optimization_passes): Add pass_empty_loop.
6913 * tree-pass.h (pass_empty_loop): Declare.
6914 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6915 try_remove_empty_loop, remove_empty_loops): New functions.
6916 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6917 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6919 2005-07-12 Peter Barada <peter@the-baradas.com>
6923 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6924 in address registers.
6925 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6926 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6927 alternative of addsi3_5200.
6929 2005-07-11 Ian Lance Taylor <ian@airs.com>
6931 * config/mips/mips.md (ffs<mode>2): Remove.
6933 2005-07-11 Ian Lance Taylor <ian@airs.com>
6935 * doc/tree-ssa.texi (Cleanups): Improve description of
6937 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6939 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6941 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6942 * tree.h (DECL_ARGUMENT_FLD): New macro.
6944 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6946 Fix PR tree-optimization/22404
6948 * tree-ssa-structalias.c (create_variable_info_for): Use
6951 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
6953 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6954 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6955 for second comparison operand.
6956 * config/bfin/predicates.md (reg_or_const_int_operand): New.
6958 * config/bfin/bfin.md (define_attr "type"): Add "sync".
6959 (define_insn_reservation "alu"): Likewise.
6960 (csync, ssync): Now of type sync.
6961 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6962 -mcsync-anomaly -mspecld-anomaly.
6963 * config/bfin/bfin.opt (mcsync): Remove.
6964 (mcsync-anomaly, mspecld-anomaly): Add.
6965 * config/bfin/bfin.c: Include "insn-codes.h".
6966 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6967 (TARGET_DEFAULT_TARGET_FLAGS): New.
6968 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6970 2005-07-11 Steven Bosscher <stevenb@suse.de>
6972 * basic-block.h: Give the BB flags enum a name, bb_flags.
6973 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6974 * cfgcleanup.c (enum bb_flags): Remove here.
6975 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6976 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6977 (update_forwarder_flag): Likewise.
6978 (thread_jump): Likewise.
6979 (try_forward_edges): Likewise.
6980 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
6981 forwarder flags. Don't clear bb->aux for all basic blocks. Only
6982 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6984 2005-07-11 Richard Guenther <rguenther@suse.de>
6986 * config/i386/i386.opt: New target option -msseregparm.
6987 * config/i386/i386.c (override_options): Error out for
6988 -msseregparm but no SSE support.
6989 (ix86_function_sseregparm): Check for global sseregparm.
6990 * doc/invoke.texi: Document -msseregparm.
6992 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6994 * config.gcc (m32r-*-linux*): Use the default extra_parts.
6995 (m32rle-*-linux*): Ditto.
6997 2005-07-11 Jakub Jelinek <jakub@redhat.com>
6999 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7000 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7003 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7007 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7008 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7010 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7012 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7013 (varmap): Heapify varmap.
7014 (constraints): Heapify constraints.
7015 (struct constraint_graph): Heapify succs and preds.
7016 (constraint_vec_find): Update for heapification.
7017 (constraint_set_union): Ditto.
7018 (insert_into_complex): Ditto.
7019 (constraint_edge_vec_find): Ditto.
7020 (erase_graph_self_edge): Ditto.
7021 (add_graph_edge): Ditto.
7022 (get_graph_weights): Ditto.
7023 (merge_graph_nodes): Ditto.
7024 (build_constraint_graph): Ditto.
7025 (topo_visit): Ditto.
7026 (solve_graph): Ditto.
7027 (create_variable_info_for): Ditto.
7028 (init_base_vars): Ditto.
7029 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7030 (condese_varmap_nodes): Free complex vector.
7031 (clear_edges_for_node): Clear succs and preds vector.
7033 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7035 * tree-ssa-structalias.c (update_alias_info): Change counting of
7036 references to not include vdefs.
7038 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7040 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7043 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7045 * pa.c (pa_commutative_p): Make PLUS commutative when
7046 TARGET_NO_SPACE_REGS is true.
7048 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7050 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7051 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7052 * tree-dfa.c (dump_subvars_for): New.
7053 (debug_subvars_for): New.
7054 (dump_variable): Show subvariables if VAR has them.
7055 * tree-flow-inline.h (get_subvar_at): New.
7056 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7057 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7059 (struct subvar): Change fields offset and size to unsigned
7061 (dump_subvars_for): Declare.
7062 (debug_subvars_for): Declare.
7063 (get_subvar_at): Declare.
7064 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7065 to unsigned HOST_WIDE_INT *.
7066 (overlap_subvar): Likewise.
7067 * tree-gimple.c (is_gimple_reg): Always return false for
7068 SFTs and memory tags.
7069 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7071 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7072 (compute_may_aliases): Call compute_points_to_sets.
7073 (collect_points_to_info_for): Remove.
7074 (compute_points_to_and_addr_escape): Remove.
7075 (delete_alias_info): Call delete_points_to_sets.
7076 (compute_flow_sensitive_aliasing): If the call to
7077 find_what_p_points_to returns false, call set_pt_anything.
7078 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7079 (set_pt_anything): Clear pi->pt_vars.
7080 (set_pt_malloc): Remove.
7081 (merge_pointed_to_info): Remove.
7082 (add_pointed_to_expr): Remove.
7083 (add_pointed_to_var): Remove.
7084 (collect_points_to_info_r): Remove.
7085 (is_escape_site): Make extern.
7087 (create_overlap_variables_for): Call it.
7088 * tree-ssa-copy.c (merge_alias_info): Never merge
7089 flow-sensitive alias information.
7090 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7091 offset and size to be unsigned HOST_WIDE_INT.
7092 (add_to_addressable_set): Rename from note_addressable.
7093 Set TREE_ADDRESSABLE as the variables are added to the set.
7095 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7096 operands into VUSEs when adding V_MAY_DEFs for members in an
7098 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7099 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7100 (struct variable_info): Add bitfield is_heap_var.
7101 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7102 (new_var_info): Initialize is_heap_var.
7103 (get_constraint_for): Add HEAP variables to the symbol table.
7104 Mark them with is_heap_var.
7105 (update_alias_info): New. Taken mostly from the old
7106 compute_points_to_and_addr_escape.
7107 (handle_ptr_arith): New.
7108 (find_func_aliases): Call update_alias_info.
7109 Call handle_ptr_info for tcc_binary expressions.
7110 Call mark_stmt_modified.
7111 (create_variable_info_for): If DECL has subvars, do not create
7112 variables for its subvars. Always add all the fields.
7113 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7114 SFTs, then add all the SFTs of the structure.
7115 If VI->DECL is an aggregate with subvariables, add the SFT at
7117 (find_what_p_points_to): If VI is an artificial variable,
7118 translate to bitfields in SSA_NAME_PTR_INFO.
7119 If the solution is empty, set pi->pt_vars to NULL
7120 (init_base_vars): Create ANYOFFSET.
7121 (compute_points_to_sets): Rename from create_alias_vars.
7123 (pass_build_pta): Remove.
7124 (delete_points_to_sets): Rename from delete_alias_vars.
7125 (pass_del_pta): Remove.
7126 * tree-ssa-structalias.h (struct alias_info): Move from
7128 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7129 NUM_REFERENCES_SET): Likewise.
7130 (compute_points_to_sets, delete_points_to_sets): Declare.
7132 2005-07-09 Richard Henderson <rth@redhat.com>
7134 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7135 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7136 alpha_split_lock_test_and_set_12): New functions.
7137 * config/alpha/alpha-protos.h: Update.
7138 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7139 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7140 * config/alpha/sync.md (I12MODE): New.
7141 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7142 (sync_<fetchop_name><I48MODE>): Likewise.
7143 (sync_nand<I48MODE>): Likewise.
7144 (sync_old_<fetchop_name><I48MODE>): Likewise.
7145 (sync_new_<fetchop_name><I48MODE>): Likewise.
7146 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7147 (sync_compare_and_swap<I48MODE>): Likewise.
7148 (sync_lock_test_and_set<I48MODE>): Likewise.
7149 (sync_compare_and_swap<I12MODE>): New.
7150 (sync_compare_and_swap<I12MODE>_1): New.
7151 (sync_lock_test_and_set<I12MODE>): New.
7152 (sync_lock_test_and_set<I12MODE>_1): New.
7154 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7158 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7160 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7162 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7163 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7165 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7168 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7170 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7172 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7173 memory_operand constraint.
7174 (store_conditional_<mode>): Same.
7175 (sync_compare_and_swap<mode>): Same.
7176 (sync_lock_test_and_set<mode>): Same.
7178 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7180 Rewrite PIC support to more closely model actual instructions.
7181 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7182 (cris_symbol): Remove prototypes for removed functions.
7183 (cris_pic_symbol_type_of, cris_valid_pic_const)
7184 (cris_expand_pic_call_address): Prototypes for new functions.
7185 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7187 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7189 <case ':'>: Add case for new punctuation character.
7190 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7191 emitting (extra) PIC modifier.
7192 <case UNSPEC>: Do not assert for PLT.
7193 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7194 (cris_expand_prologue, cris_expand_epilogue): Check
7195 for pic_offset_table_rtx usage instead of taking
7196 current_function_uses_pic_offset_table as the final word.
7197 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7198 Remove flag_pic difference.
7199 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7200 the moral equivalents of...
7201 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7203 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7204 (cris_handle_option): Mark ARG as unused.
7205 (cris_expand_pic_call_address): New worker function for "call",
7207 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7208 output PIC constructs here.
7209 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7210 as symbol-specific modifers, not whole or part of operands.
7211 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7212 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7213 constants and flag_pic.
7214 (CONSTANT_INDEX_P): Adjust for new functions.
7215 (enum cris_pic_symbol_type): New helper type.
7216 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7217 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7218 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7220 ("movsi"): Emit actual instructions for GOT and relative access.
7221 ("*movsi_got_load"): New pattern to set up the register holding
7223 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7224 Adjust FIXME for 'S'.
7225 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7226 Use "movs" for -fpic cases.
7227 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7228 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7229 ("call", "call_value"): Just call cris_expand_pic_call_address for
7231 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7232 Remove special pattern.
7233 ("*expanded_call_side", "*expanded_call_value_side"): New
7235 (gotplt-to-plt, gotplt-to-plt-side-call)
7236 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7238 * config/cris/cris/predicates.md
7239 ("cris_general_operand_or_gotless_symbol"): Remove unused
7241 ("cris_general_operand_or_symbol"): Adjust for new functions.
7243 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7245 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7247 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7249 * Makefile.in (TREE_H): Add treestruct.def.
7250 (c-decl.o): Add pointer-set.h
7251 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7252 visibility on regular DECL's.
7253 (merge_decls): Fix the copying of decl nodes of various types for
7254 the new structures. Don't update RTL, section name, weak status,
7255 etc, on DECL's without RTL.
7256 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7257 Don't check volatile on non-variable types.
7258 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7259 to check whether we have seen arguments.
7260 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7261 flag is checked before field (flag is common, field is not).
7262 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7263 TS_DECL_COMMON could have an origin.
7264 (add_location_or_const_value_attribute): Don't check section name
7265 on non-var/function decls.
7266 (dwarf2out_var_location): Reverse order of tests.
7267 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7268 with DECL_WRTL_CHECK.
7269 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7270 * fold-const.c (fold_binary): Don't check weakness on
7271 non-var/function decls.
7272 (tree_expr_nonzero_p): Ditto.
7273 (fold_checksum_tree): Use tree_decl_extra as sizeof
7275 * ggc-page.c (extra_order_size_table): Add sizes for
7276 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7278 * gimplify.c (gimplify_bind_expr): Only set
7279 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7280 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7282 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7283 * langhooks.h (init_ts). New langhook.
7284 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7285 * print-tree.c (print_node): Update to only print fields that
7286 exist in the structures the passed decl has.
7287 * toplev.c (wrapup_global_declarations): Don't reset
7288 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7289 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7290 * tree-inline.c (remap_decl): Ditto.
7291 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7292 * tree-pretty-print.c (print_declaration): Don't print
7293 DECL_REGISTER on things that don't contain it.
7294 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7295 non-var/function decls.
7296 * tree.c (tree_contains_struct): New structure.
7297 (init_priority_for_decl): New hashtable.
7298 (tree_int_map): New structure.
7299 (tree_int_map_eq): New function.
7300 (tree_int_map_marked_p): Ditto.
7301 (tree_int_map_hash): Ditto.
7302 (tree_map): Move to tree.h.
7303 (tree_map_eq): Externalize.
7304 (tree_map_hash): Ditto.
7305 (tree_map_marked_p): Ditto.
7306 (init_ttree): Set up tree_contains_struct and call langhook.
7307 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7308 (tree_code_size): Update for new structures.
7309 (tree_node_structure): Update for new structures.
7310 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7312 (copy_node_stat): Copy init priority.
7313 (build_decl_stat): Ditto for visibility.
7314 (ts_enum_names): New.
7315 (tree_contains_struct_check_failed): New function.
7316 (decl_init_priority_lookup): Ditto.
7317 (decl_init_priority_insert): Ditto.
7318 * treestruct.def: New file.
7319 * tree.h (CODE_CONTAINS_STRUCT): New macro.
7320 (CONTAINS_STRUCT_CHECK): Ditto.
7321 (tree_contains_struct_check_failed): New prototype.
7322 (DECL_CHECK): Removed.
7323 (DECL_MINIMAL_CHECK): New.
7324 (DECL_COMMON_CHECK): Ditto.
7325 (DECL_WRTL_CHECK): Ditto.
7326 (DECL_NON_COMMON_CHECK): Ditto.
7327 (DECL_WITH_VIS_CHECK): Ditto.
7328 (VAR_OR_FUNCTION_DECL_P): Ditto
7329 (struct tree_decl_minimal): New structure.
7330 (struct tree_decl_common): Ditto.
7331 (struct tree_decl_with_rtl): Ditto.
7332 (struct tree_decl_with_vis): Ditto.
7333 (struct tree_decl_non_common): Ditto.
7334 (struct tree_field_decl): Ditto.
7335 (struct tree_parm_decl): Ditto.
7336 (struct tree_var_decl): Ditto.
7337 (struct tree_function_decl): Ditto.
7338 (struct tree_const_decl): Ditto.
7339 (struct tree_result_decl): Ditto.
7340 (union tree_node): Add new structures.
7341 * var-tracking.c (track_expr_p): Reverse order of tests.
7343 * doc/c-tree.texi: Add documentation on DECL node internal structure.
7345 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7347 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7348 * system.h: Poison FINALIZE_PIC.
7349 * doc/tm.texi (FINALIZE_PIC): Remove.
7351 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7354 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7355 to the correct type if we have a MODIFY_EXPR.
7357 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7359 PR tree-optimization/22360
7360 * tree.c (upper_bound_in_type): Fix calculations for casting
7361 to a non-wider signed type and casting a signed value to a
7362 wider unsigned type.
7363 (lower_bound_in_type): Fix calculations for casting to a
7364 non-wider signed type.
7366 PR tree-optimization/20139
7367 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7369 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7370 fold_cond_expr_cond.
7371 * tree-ssanames.c (release_defs): Assert in_ssa_p.
7372 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7374 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7377 * tree-complex.c (expand_complex_libcall): Produce
7378 REALPART_EXPR/IMAGPART_EXPR with the correct type.
7380 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
7382 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7383 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7384 b" assert and inserted fastpath code for this case.
7385 (bitmap_ior): Removed "a != b" assert.
7387 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7389 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7390 (ENDFILE_SPEC): Likewise.
7391 * config/m32r/m32r.h (ASM_SPEC): Likewise.
7393 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7394 a large stack frame at epilogue.
7396 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
7398 * final.c: Include sdbout.h when required.
7400 2005-07-07 Geoffrey Keating <geoffk@apple.com>
7402 * config.gcc (*-*-darwin*): Only one target-specific header file
7404 (powerpc-*-darwin*): Add version-specific header files.
7405 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7406 * config.in: Regenerate.
7407 * configure: Regenerate.
7408 * gcc.c: Include xregex.h.
7409 (version_compare_spec_function): New.
7410 (spec_function): Add version-compare.
7411 (replace_outfile_spec_function): Reformat comment.
7412 (compare_version_strings): New.
7413 * config/darwin-c.c (version_as_macro): New.
7414 (builtin_define): New.
7415 (darwin_cpp_builtins): New.
7416 * config/darwin-protos.h (darwin_cpp_builtins): New.
7417 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7418 (LIB_SPEC): Make unconditional, update comment.
7419 (TARGET_C99_FUNCTIONS): Define.
7420 * config/darwin.opt: Sort.
7421 (mmacosx-version-min=): New.
7422 * config/darwin7.h: Delete.
7423 * config/darwin8.h: Delete.
7424 * config/i386/darwin.h (): Call darwin_cpp_builtins.
7425 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7426 (TARGET_C99_FUNCTIONS): Define.
7427 * config/rs6000/darwin7.h: New.
7428 * config/rs6000/darwin8.h: New.
7429 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7430 (-mmacosx-version-min): Document.
7432 2005-07-07 Ian Lance Taylor <ian@airs.com>
7434 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7436 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
7439 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7441 2005-07-07 Khem Raj <kraj@mvista.com>
7443 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7444 in bytes, not words.
7446 2005-07-07 Paul Brook <paul@codesourcery.com>
7448 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7449 DEFAULT_FUNCTION_ARG_PADDING to upward.
7451 2005-07-07 Richard Henderson <rth@redhat.com>
7453 * function.c (locate_and_pad_parm): Record parameter alignment in
7454 stack_alignment_needed.
7456 2005-07-07 David Edelsohn <edelsohn@gnu.org>
7458 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7459 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7460 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7461 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7462 (define_attr "type"): Add isync, sync, load_l, store_c.
7463 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7464 Create scratch volatile MEM.
7465 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
7467 (load_locked_<mode>): New.
7468 (store_conditional_<mode>): New.
7469 (sync_compare_and_swap<mode>): Replace with splitter.
7470 (sync_lock_test_and_set<mode>): Replace with splitter.
7471 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7473 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
7474 is ics. Attribute isync.
7475 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
7477 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7478 and UNSPECV_SYNC_OP.
7479 (emit_unlikely_jump): New.
7480 (emit_load_locked): New.
7481 (emit_store_conditional): New.
7482 (rs6000_split_compare_and_swap): New.
7483 (rs6000_split_lock_test_and_set): New.
7484 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7485 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7486 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7487 rs6000_split_lock_test_and_set): Declare.
7488 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7489 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7490 store_c, isync, sync.
7492 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
7494 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7495 filenames to gtyp-gen.h.
7496 (s-typ-gen): Use it in place of for loops.
7498 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
7500 * hooks.c (hook_bool_rtx_int_false): New function.
7501 * hooks.h (hook_bool_rtx_int_false): Declare.
7502 * target-def.h (TARGET_COMMUTATIVE_P): Define.
7503 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
7504 * target.h (struct gcc_target): Add commutative_p member.
7505 * targhooks.c (hook_bool_rtx_commutative_p): New function.
7506 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
7507 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
7508 (pa_commutative_p): New function.
7509 * jump.c (target.h): Include.
7510 (rtx_renumbered_equal_p): Use targetm.commutative_p.
7511 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
7513 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7515 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
7516 (s390_expand_setmem): New.
7517 * config/s390/s390.c: Likewise.
7518 (print_shift_count_operand): Truncate to 12 bits instead of 6.
7520 * config/s390/s390.md: ("setmem<mode>"): Accept character as
7521 general_operand. Call new function "s390_expand_setmem".
7522 ("clrmem_long", "*clrmem_long"): Rewrite to ...
7523 ("setmem_long", "*setmem_long"): ... this.
7525 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7527 * config/s390/s390.c: (optimization_options): Enable
7528 TARGET_MVCLE at -Os.
7529 * doc/invoke.texi: Document changes in default behaviour.
7530 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
7532 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7534 * expr.c: (set_storage_via_setmem): Convert opchar to mode
7535 defined by back-end.
7537 2005-07-07 Jakub Jelinek <jakub@redhat.com>
7539 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
7540 all sets in the pattern.
7541 * config/rs6000/rs6000.md (stack_protect_testsi,
7542 stack_protect_testdi): Likewise.
7544 2005-07-06 Jeff Law <law@redhat.com>
7546 * tree-vrp.c (simplify_using_ranges): Kill.
7547 (vrp_finalize): Remove call to simplify_using_ranges.
7548 (simplify_stmt_using_ranges): New function extracted from
7549 simplify_using_ranges.
7550 (simplify_div_or_mod_using_ranges): Likewise.
7551 (simplify_abs_using_ranges): Likewise.
7552 (simplify_cond_using_ranges): New function.
7553 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7554 * tree-ssa-propagate.c (substitute_and_fold): Call
7555 simplify_stmt_using_ranges if we have range information.
7557 2005-07-06 James E. Wilson <wilson@specifixinc.com>
7559 * config/ia64/ia64.c (ia64_reorg): Check optimize before
7560 ia64_flag_schedule_isns2.
7562 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7563 reading/writing general registers.
7564 (ia64_function_arg): Revert 2005-06-18 change.
7566 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
7568 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
7569 (legitimize_tls_address): Use gcc_unreachable instead of abort.
7571 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
7573 * function.c (expand_function_end): Revert part of 2005-06-27
7574 patch. Do sjlj_emit_function_exit_after after return_label.
7576 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7578 * doc/install.texi (--disable-libssp): New.
7580 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
7582 * doc/invoke.texi: Update -fforce-mem documentation.
7583 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7584 code for -fforce-mem.
7585 * expmed.c: (store_bit_field,store_fixed_bit_field,
7586 extract_bit_field): Ditto.
7587 * expr.c: (convert_move): Ditto.
7588 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
7589 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7590 emit_conditional_add,expand_float,expand_fix): Ditto.
7591 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7592 (common_handle_option): Issue warning when -fforce-mem specified.
7594 2005-07-06 Paul Brook <paul@codesourcery.com>
7596 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7598 * configure: Regenerate.
7600 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
7602 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7604 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
7606 Fix PR tree-optimization/22319
7607 Fix PR tree-optimization/22140
7608 Fix PR tree-optimization/22310
7610 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7611 variable sized types.
7612 Use correct type for intermediate structure on *a = *b structure
7615 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7617 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7619 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7620 (machine_function): Move typedef to...
7621 * config/rs6000/rs6000.c (machine_function): ... here. Add
7622 varargs_save_offset field.
7623 (rs6000_stack_t): Remove varargs_size field.
7624 (setup_incoming_varargs): Allocate varargs save area using
7625 assign_stack_local, try to make it as small as possible.
7626 Save offset from virtual_stack_vars_rtx to the save area
7627 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
7628 instead of magic 8 when fp word byte size is used.
7629 (rs6000_va_start): Use cfun->machine->varargs_save_offset
7630 instead of -RS6000_VARARGS_SIZE.
7631 (rs6000_stack_info, debug_stack_info,
7632 rs6000_initial_elimination_offset): Remove all traces of
7634 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7635 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7636 RS6000_VARARGS_AREA.
7638 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7640 PR tree-optimization/21963
7641 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7642 constant_multiple_of in the same way get_computation_cost_at does.
7644 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7646 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7647 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7648 (gen_compare_reg): If sparc_compare_emitted is set, clear it
7649 and return its previous value.
7650 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7651 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7653 (stack_protect_set, stack_protect_test): New expanders.
7654 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7655 stack_protect_testdi): New insns.
7656 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7657 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7659 2005-07-06 Jeff Law <law@redhat.com>
7661 * tree-ssa-dce.c (cfg_altered): New global.
7662 (tree_dce_init): Initialize cfg_altered.
7663 (remove_dead_stmt): If we remove an edge in the CFG, then set
7665 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7668 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7670 * Makefile.in (stamp-collect-ld): Use
7671 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
7672 ./collect-ld if it already exists.
7673 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7674 Don't remove ./nm if it already exists.
7676 2005-07-05 Devang Patel <dpatel@apple.com>
7678 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7679 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7680 * tree-vectorizer.c (vect_loop_location): New.
7681 (vect_print_dump_info): Use vect_loop_location.
7682 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7683 (vectorize_loops): Set vect_loop_location.
7684 * tree-vect-analyze.c (vect_analyze_offset_expr,
7685 vect_determin_vectorization_factor, vect_analyze_operations,
7686 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7687 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7688 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7689 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7690 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7691 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7692 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7693 vect_analyze_loop): Adjust vect_print_dump_info API.
7694 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7695 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7696 vect_finish_stmt_generation, vectorizable_assignment,
7697 vectorizable_operation, vectorizable_store, vectorizable_load,
7698 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7699 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7700 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7701 vect_transform_loop): Same.
7702 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7703 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7706 2005-07-05 Randolph Chung <tausq@debian.org>
7708 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7709 * configure: Regenerate.
7710 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7711 (pa_tls_referenced_p): Declare.
7712 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7713 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7714 (legitimize_tls_address): New.
7715 (hppa_legitimize_address): Handle TLS addresses.
7716 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7717 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7718 (emit_move_sequence): Handle TLS addresses.
7719 (pa_encode_section_info): Call default handler to handle common
7721 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7722 (CONSTANT_ADDRESS_P): Reject TLS operands.
7723 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7724 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7725 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7726 (UNSPEC_TLSLE): Define new constants.
7727 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7728 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7729 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7730 (tie_symbolic_operand, tle_symbolic_operand): New
7732 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
7734 * aclocal.m4: Update macros for autoconf 2.59 style.
7735 * configure.ac: Likewise.
7737 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7739 * pa.c (function_value): Handle small aggregates on 32-bit targets.
7740 (function_arg): Pass small aggregates in general registers on 32-bit
7742 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7744 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
7746 * Makefile.in (final.o): Fix dependencies.
7748 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7752 * langhooks.h (struct lang_hooks): Add expr_to_decl.
7753 * langhooks.c (lhd_expr_to_decl): New.
7754 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7756 (LANG_HOOKS_INITIALIZER): Update.
7757 * tree.c (recompute_tree_invarant_for_addr_expr): Call
7758 expr_to_decl langhook.
7759 * c-tree.h (c_expr_to_decl): Declare.
7760 * c-typeck.c (c_expr_to_decl): New.
7761 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7763 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7765 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7768 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7769 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7771 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
7773 * Makefile.in: Adjust dependencies.
7774 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7775 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7776 * alias.c (rest_of_handle_cfg, pass_cfg): New.
7777 * bb-reorder.c (duplicate_computed_gotos): Make it static.
7778 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7779 rest_of_compilation.
7781 * bb-reorder.c (gate_duplicate_computed_gotos,
7782 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7783 rest_of_handle_reorder_blocks, pass_reorder_blocks,
7784 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7785 pass_partition_blocks): New.
7786 * bt-load.c (gate_handle_branch_target_load_optimize,
7787 rest_of_handle_branch_target_load_optimize,
7788 pass_branch_target_load_optimize): New.
7789 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7791 * cfglayout.c (pass_insn_locators_initialize): New.
7792 * cfgrtl.c (pass_free_cfg): New.
7793 * combine.c (gate_handle_combine, rest_of_handle_combine,
7795 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7796 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7797 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7798 * except.c (pass_set_nothrow_function_flags,
7799 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7801 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7802 rest_of_handle_shorten_branches, pass_shorten_branches,
7803 rest_of_clean_state, pass_clean_state): New.
7804 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7805 rest_of_handle_remove_death_notes, pass_remove_death_notes,
7806 rest_of_handle_life, pass_life, rest_of_handle_flow2,
7808 * function.c (pass_instantiate_virtual_regs, pass_init_function,
7809 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7810 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7811 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7813 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7814 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7815 pass_rtl_ifcvt, gate_handle_if_after_combine,
7816 rest_of_handle_if_after_combine, pass_if_after_combine,
7817 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7818 pass_if_after_reload): New.
7819 * integrate.c (pass_initial_value_sets): New.
7820 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7821 pass_purge_lineno_notes): New.
7822 * mode-switching.c (rest_of_handle_mode_switching,
7823 pass_mode_switching): New.
7824 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7825 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7827 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7828 pass_loop_optimize): New.
7829 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7831 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7833 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7834 pass_postreload_cse): New.
7835 * profile.c (gate_handle_profiling, pass_profiling,
7836 rest_of_handle_branch_prob, pass_branch_prob): New.
7837 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7838 pass_split_before_regstack, gate_handle_split_before_regstack,
7839 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7840 rest_of_handle_split_all_insns, pass_split_all_insns): New.
7841 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7842 pass_stack_regs): New.
7843 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7844 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7845 pass_stack_adjustments): New.
7846 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7847 pass_regrename): New.
7848 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7849 pass_delay_slots, gate_handle_machine_reorg,
7850 rest_of_handle_machine_reorg, pass_machine_reorg): New.
7851 * rtl.h (extern void purge_line_number_notes): New.
7852 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7853 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7855 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7857 * value-prof.c (gate_handle_value_profile_transformations,
7858 rest_of_handle_value_profile_transformations,
7859 pass_value_profile_transformations): New.
7860 * var-tracking.c (gate_handle_var_tracking,
7861 pass_variable_tracking): New.
7862 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7864 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7865 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7866 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7867 rest_of_handle_old_regalloc, rest_of_handle_regrename,
7868 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7869 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7870 rest_of_handle_gcse2, rest_of_handle_regmove,
7871 rest_of_handle_tracer, rest_of_handle_if_conversion,
7872 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7873 rest_of_handle_web, rest_of_handle_branch_prob,
7874 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7875 rest_of_handle_jump_bypass, rest_of_handle_combine,
7876 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7877 rest_of_handle_gcse, rest_of_handle_loop_optimize,
7878 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7879 rest_of_handle_mode_switching, rest_of_handle_jump,
7880 rest_of_handle_eh, rest_of_handle_stack_adjustments,
7881 rest_of_handle_flow2, rest_of_handle_jump2,
7882 rest_of_handle_peephole2, rest_of_handle_postreload,
7883 rest_of_handle_shorten_branches, rest_of_clean_state,
7884 rest_of_compilation): Remove.
7886 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7887 * passes.c (dump_flags, in_gimple_form, all_passes,
7888 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7889 register_dump_files, next_pass_1, last_verified, execute_todo,
7890 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7891 from tree-optimize.c.
7892 (init_optimization_passes): Moved from tree-optimize.c,
7893 adding the RTL optimizations.
7894 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7895 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7896 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7897 register_dump_files, next_pass_1, last_verified, execute_todo,
7898 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7899 init_tree_optimization_passes, ipa_passes): Delete.
7900 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7902 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7903 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7905 (ipa_passes): Remove.
7906 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7907 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7908 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7909 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7910 (dump_info_p, dump_flag): Moved to tree-dump.h.
7912 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7914 * passes.c (finish_optimization_passes): Use dump_begin
7915 and dump_end, TDI_end.
7916 (gate_rest_of_compilation): New.
7917 (pass_rest_of_compilation): Use it.
7918 (gate_postreload, pass_postreload): New.
7919 * toplev.c (general_init): Rename init_tree_optimization_passes.
7920 * toplev.h (init_tree_optimization_passes): Rename to
7921 init_optimizations_passes.
7922 * tree-dump.c (dump_flag): Make static.
7923 (dump_files): Remove RTL dumps.
7924 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7925 pass_cleanup_cfg, pass_free_cfg_annotations,
7926 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7927 pass_init_datastructures, pass_fixup_cfg): Make non-static.
7928 * tree-pretty-print.c: Include tree-pass.h.
7929 * cgraph.c: Include tree-dump.h.
7931 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7933 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7934 Only fall back to saying it points to readonly memory if
7937 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7939 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7940 * config/m32r/m32r.c (m32r_compute_frame_size,
7941 m32r_expand_prologue): Take current_function_profile into
7942 account whenever we reference
7943 current_function_uses_pic_offset_table.
7944 (m32r_finalize_pic): Remove.
7945 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7947 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
7949 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7950 instead of $<. Don't remove ./as if it already exists.
7952 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7955 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7956 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7957 for complex modes when generating code for PA 1.0.
7958 (VALID_FP_MODE_P): New macro.
7959 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7960 sets for all general and floating point modes. Align wide floating
7961 point modes to even register boundaries to comply with architectural
7963 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7964 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7965 (VALID_FP_MODE_P): New macro.
7966 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7967 sets for all general and floating point modes. Align wide floating
7968 point modes to even register boundaries to comply with architectural
7971 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7973 * tree-dump.c (dump_files): Initialize dump number for .cgraph
7976 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7978 * tree-ssa-structalias.c: Don't include expr.h.
7980 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7982 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7985 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7987 Fix PR tree-optimization/22279
7989 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7992 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
7994 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7996 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7998 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7999 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8000 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8001 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8002 config/stormy16/stormy16.c, config/v850/v850.c,
8003 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8004 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8005 Avoid "." or "\n" at end of diagnostics and capital letters at
8006 start of diagnostics.
8007 * combine.c, cse.c: Don't translate dump file output.
8008 * toplev.c (print_version): Only translate output if going to
8011 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8013 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8014 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8017 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8019 * pa.c (fix_range): Fix typo in comment.
8021 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8023 * tree-vrp.c (extract_range_from_assert): Replace
8024 fold (build (...)) with fold_build2.
8026 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8028 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8029 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8030 (format_types_orig, handle_format_attribute): Add support for
8033 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8035 * varasm.c (assemble_variable): Fix format specifier thinko.
8037 2005-07-03 Ira Rosen <irar@il.ibm.com>
8039 PR tree-optimization/22029 (and 22135)
8040 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8041 a phi node before calling dump_vops.
8043 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8045 * tree-dump.h (dump_string_field): Declare.
8046 * tree-dump.c: Use it instead of dump_string.
8047 (dump_string_field): Make non-static.
8049 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8051 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8052 up the minimal CFG stuff always when optimize > 0. Call
8053 split_all_insns_noflow in PIC case if needed.
8055 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8056 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8059 * c-decl.c (c_write_global_declarations): Dump contents of
8061 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8062 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8063 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8064 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8067 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8069 * c-common.h (GCC_DIAG_STYLE): Define.
8070 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8071 version for format checking to 4.1.
8072 * c-format.c: Include toplev.h after c-common.h.
8073 (enum format_type): Add gcc_tdiag_format_type.
8074 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8075 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8076 (format_types_orig): Add gcc_tdiag.
8077 (init_dynamic_diag_info): Support gcc_tdiag formats.
8078 (handle_format_attribute): Likewise.
8079 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8080 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8081 version for format checking to 4.1.
8082 (warning0, warning, error, pedwarn, sorry): Use
8084 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8085 (finish_aliases_1): Do not use %qE.
8086 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8087 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8088 Correct format bugs.
8089 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8090 parameter to unsigned HOST_WIDE_INT.
8091 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8093 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8096 * expr.c (write_complex_part): Use adjust_address for MEM.
8097 (read_complex_part): Same.
8099 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8101 Fix PR tree-optimization/22280
8103 * tree-sra.c (generate_element_init): Remove useless loop.
8105 2005-07-02 Richard Henderson <rth@redhat.com>
8107 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8109 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8111 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8114 * fold-const.c (fold_binary): Handle the return value of
8115 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8116 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8118 2005-07-02 Jeff Law <law@redhat.com>
8120 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8121 a eliminate type conversion which feeds an equality comparison
8122 if the original type or either operand in the comparison is a
8125 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8127 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8128 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8130 * config/avr/avr.c: Do not use '`' as left quote.
8131 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8132 Remove "." from end of diagnostics. Make diagnostics start with
8135 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8136 Joseph S. Myers <joseph@codesourcery.com>
8138 * toplev.c (default_tree_printer): Handle setting location with
8140 * c-objc.common.c (c_tree_printer): Likewise.
8141 * c-format.c (gcc_diag_flag_specs): Add '+'.
8142 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8143 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8145 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8146 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8147 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8148 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8149 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8150 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8151 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8152 format arguments where %J is used without %D.
8154 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8156 * gcc.c (LINK_SSP_SPEC): Define.
8157 (link_ssp_spec): New variable.
8158 (LINK_COMMAND_SPEC): Add %(link_ssp).
8159 (static_specs): Add link_ssp_spec.
8160 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8161 * configure: Rebuilt.
8162 * config.in: Rebuilt.
8164 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8165 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8166 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8167 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8168 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8169 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8170 -0x7008(2) instead of reading __stack_chk_guard variable.
8171 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8173 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8174 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8175 if TARGET_THREAD_SSP_OFFSET is defined.
8176 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8177 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8180 2005-06-27 Richard Henderson <rth@redhat.com>
8181 * libgcc-std.ver (GCC_4.1.0): New.
8182 * libgcc.h (__stack_chk_guard): Declare.
8183 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8184 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8185 * mklibgcc.in (lib2funcs): Add them.
8187 2005-07-01 Richard Henderson <rth@redhat.com>
8189 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8190 void * before struct sigcontext *.
8191 (x86_fallback_frame_state): Likewise.
8193 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8195 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8197 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8200 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8201 we check for SSA_NAME for.
8203 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8205 Fix PR tree-optimization/22071
8207 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8209 (get_constraint_for_component_ref): Use it.
8211 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8214 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8215 print out the last new line.
8217 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8219 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8220 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8221 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8222 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8223 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8224 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8225 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8226 (enum reg_class): New member CC0_REGS.
8227 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8228 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8229 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8230 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8231 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8232 Adjust for register now described.
8234 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8237 * config/i386/i386.md (stack_protect_test_si,
8238 stack_protect_test_di): Add earlyclobber for scratch 3.
8239 * config/rs6000/rs6000.md (stack_protect_testsi,
8240 stack_protect_testdi): Add earlyclobber for scratch 3,
8241 remove earlyclobber from scratch 4.
8243 Older entries for 2005 can be found in ChangeLog-2005.