1 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4 (noce_try_abs): Negate if the comparison is reversed.
5 Look only one instruction backwards for a REG_EQUAL note.
7 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
10 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
11 gthr-tpf.h: Define __gthrw. For all identifiers that might
12 be weak, introduce weakrefs or non-weak aliases with __gthrw,
13 and prefix all uses with __ghtrw.
15 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
18 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
19 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
20 * c-common.c (handle_weakref_attribute): New.
21 (c_common_attribute_table): Add weakref.
22 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
24 * configure, config.in: Rebuilt.
25 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
26 * doc/extend.texi: Document weakref attribute.
27 * varasm.c (ultimate_transparent_alias_target): New
28 (assemble_name): Use it.
29 (weak_finish_1): Split out of...
30 (weak_finish): ... and deal with weakrefs in...
31 (weakref_targets): ... new list.
32 (globalize_decl): Clean up weakref_targets.
33 (do_assemble_alias): Handle weakrefs.
34 (finish_aliases_1): Do not reject weakrefs to external symbols.
35 (assemble_alias): Handle weakrefs.
37 2005-11-09 Richard Guenther <rguenther@suse.de>
39 PR tree-optimization/24716
40 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
41 t_bool to track results from follow_ssa_edge.
43 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
45 * final.c (force_source_line): New global variable.
46 (final_scan_insn): Set it to true instead of clearing last_filename.
47 (notice_source_line): Return true if force_source_line is true,
48 unless source info is absent.
50 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
53 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
54 a linkage name for a variable if it a register variable.
55 * c-decl.c (grokdeclarator): Global register variables
56 should be set as PUBLIC.
58 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
61 * config/s390/s390.c (struct s390_frame_layout): New fields
62 first_save_gpr_slot and last_save_gpr_slot.
63 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
64 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
65 first_save_gpr and last_save_gpr with the _slot variants.
66 (s390_register_info): Calculate first_save_gpr_slot and
67 last_save_gpr_slot using regs_ever_live.
69 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
72 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
73 for a function containing a landing pad.
75 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
78 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
81 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
83 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
84 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
86 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
89 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
91 (call,load,store): New insn types.
92 (mem_access, branch_access): Adjust reservation conditions.
93 (define_delay): Adjust condition.
94 (decrement_and_branch_until_zero): Allow for ms2. Set branch
96 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
97 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
99 (call_internal, call_value_internal, return_internal,
100 return_interrupt_internal, eh_return_internal, indirect_jump,
101 tablejump): Set call insn type.
102 (blockage, ei, di): Use appropriate unspec const.
103 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
104 (ms1_get_attr_type): Adjust to give load & store types.
105 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
106 backwards past a barrier.
107 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
109 (struct branch_info, struct label_info): New.
111 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
112 (ms1_machine_reorg): New.
113 (TARGET_MACHINE_DEPENDENT_REORG): Override.
114 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
115 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
116 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
119 2005-11-09 Per Bothner <per@bothner.com>
120 Uros Bizjak <uros@kss-loka.si>
123 * toplev.c (process_options): Initialize debug_hooks early
124 in case lang_hooks.post_options ends up calling a debug_hook.
126 2005-11-08 Jakub Jelinek <jakub@redhat.com>
128 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
129 DBX_REGISTER_NUMBER being contiguous.
131 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
132 Diego Novillo <dnovillo@redhat.com>
135 * tree-vrp.c (register_edge_assert_for): Do not register
136 always-false predicates.
138 2005-11-08 Devang Patel <dpatel@apple.com>
140 PR tree-optimization/23115
141 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
144 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
146 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
149 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
151 Fix PR tree-optimization/23382
153 * tree-ssa-alias.c (compute_may_aliases): Call
154 delete_old_heap_vars.
155 * tree-dfa.c (referenced_var_remove): New function.
156 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
157 * tree-flow.h (referenced_var_remove): Add prototype.
158 (delete_old_heap_vars): Ditto.
159 * tree-ssa-structalias.c (heapvars): New variable.
160 (oldheapvars): Ditto.
161 (get_constraint_for): Put heap vars on heapvars list.
162 (delete_old_heap_vars): New function.
164 2005-11-08 Jason Merrill <jason@redhat.com>
166 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
168 2005-11-08 Uros Bizjak <uros@kss-loka.si>
171 * reg-stack.c (reg_to_stack): Update register liveness also
172 for flag_sched2_use_traces.
174 2005-11-08 Alan Modra <amodra@bigpond.net.au>
177 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
178 override prior explicit -mno-powerpc-gfxopt.
180 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
182 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
183 if the bitsize is zero.
184 * doc/md.texi (Standard Pattern Names): Document it.
186 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
187 (TARGET_PASS_BY_REFERENCE): Likewise.
189 2005-11-07 Ian Lance Taylor <ian@airs.com>
191 PR rtl-optimization/24683
192 * config/i386/i386.c (legitimize_pic_address): If constant operand
193 to PLUS is too large, put it in a register.
195 2005-11-07 Jie Zhang <jie.zhang@analog.com>
197 * configure.ac: Enable checking assembler dwarf2 support for bfin
199 * configure: Regenerate.
201 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
205 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
206 gen_easy_vector_constant_add_self): Delete.
207 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
209 (output_vec_const_move): Use gen_easy_altivec_constant.
210 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
211 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
212 (easy_vector_constant_add_self): Rewritten.
213 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
214 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
215 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
216 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
217 Macroize and adjust for the other changes.
219 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
223 * c-typeck.c (build_c_cast): Try using a shared constant, and see
224 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
226 2005-11-07 Jakub Jelinek <jakub@redhat.com>
228 PR rtl-optimization/23567
229 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
230 (noce_process_if_block): Don't do any optimizations except
231 if (cond) x = x; if !set_b and write into orig_x may trap
232 or fault. Remove the MEM_READONLY_P check.
234 2005-11-06 Diego Novillo <dnovillo@redhat.com>
237 * tree-vrp.c (fix_equivalence_set): New.
238 (extract_range_from_assert): Call it.
240 2005-11-05 Ian Lance Taylor <ian@airs.com>
243 * combine.c (apply_distributive_law): Don't distribute across a
246 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
248 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
249 config/ms1/ms1.h, config/rs6000/predicates.md,
250 config/s390/s390.c, params.def, postreload-gcse.c,
251 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
252 tree-vrp.c, tree.c: Fix comment typos.
253 * doc/invoke.texi: Fix typos.
255 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
257 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
258 for testing whether the data_dependence_relation contains distance
259 vectors. Iterate over all distance vectors of the ddr.
260 * lambda.h: Define a vec of lambda_vector pointers.
261 * tree-data-ref.c (dump_data_dependence_relation,
262 dump_data_dependence_direction): Iterate over all distance and
263 direction vectors of the ddr.
264 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
266 (build_classic_dist_vector, build_classic_dir_vector): Push a set
267 of distance/direction vectors instead of a single one.
268 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
269 lambda_vectors with a vec of lambda_vectors.
270 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
271 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
272 DDR_NUM_DIST_VECTS): New.
273 * tree-loop-linear.c (gather_interchange_stats): Test for the
274 existence of distance vectors only after having checked that there
275 is a dependence. Iterate over all distance vectors of the ddr.
276 (linear_transform_loops): Use dump_data_dependence_relation.
277 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
278 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
279 distance vectors of the ddr.
281 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
283 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
284 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
285 IS_INTHANDLER; all callers changed.
286 (n_regs_saved_by_prologue): Take interrupt handler attributes into
288 (do_link, do_unlink): New argument ALL; all callers changed.
289 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
290 If function isn't leaf, save and restore all registers.
291 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
294 2005-11-05 Jan Hubicka <jh@suse.cz>
296 PR rtl-optimization/23490
297 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
298 max-flow-memory-location): Document.
299 * flow.c: Include params.h
300 (MAX_MEM_SET_LIST_LEN): Kill.
301 (add_to_mem_set_list): Use new param.
302 * cse.c (cse_basic_block): Replace 1000 by new param.
303 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
304 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
305 * predict.c (predict_loops): Use new param.
306 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
308 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
309 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
310 Do not hold memory returned by cgraph_node_name across other call.
312 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
315 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
318 2005-11-04 Jeff Law <law@redhat.com>
321 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
322 * tree-ssa-dom.c: Include params.h.
323 (thread_across_edge): If there are too many statements in the
324 target block, then do not thread through it.
325 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
326 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
328 2005-11-03 Diego Novillo <dnovillo@redhat.com>
331 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
332 TODO_update_ssa instead of TODO_update_ssa_no_phi.
334 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
337 * tree-scalar-evolution.c (instantiate_parameters_1,
338 instantiate_parameters, resolve_mixers): Compute the size of an
339 expression to be instantiated and give up the instantiation if the
340 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
342 2005-11-04 Richard Guenther <rguenther@suse.de>
344 * tree-flow.h (ref_contains_indirect_ref): Rename to
345 array_ref_contains_indirect_ref.
346 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
347 (array_ref_contains_indirect_ref): Make comment match the code
349 (ref_contains_array_ref): Likewise.
350 * tree-ssa-structalias.c (find_func_aliases): Remove call to
351 ref_contains_indirect_ref.
352 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
353 Rename calls to ref_contains_indirect_ref.
355 2005-11-04 Paul Brook <paul@codesourcery.com>
357 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
358 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
359 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
360 * config/arm/arm.md: Use match_operand in peephole input templates
361 and match_dup in peephole output templates.
363 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
365 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
368 2005-11-04 Mark Mitchell <mark@codesourcery.com>
369 Daniel Jacobowitz <dan@codesourcery.com>
371 * longlong.h (add_ssaaaa): Clobber condition code register
373 (sub_ddmmss): Likewise.
374 (umul_ppmm): Likewise.
376 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
377 Paul Brook <paul@codesourcery.com>
378 Phil Blundell <pb@reciva.com>
380 * configure.ac: Add test for ARM TLS support.
381 * configure: Regenerated.
382 * config/arm/arm-protos.h (legitimize_tls_address)
383 (arm_tls_referenced_p, tls_mentioned_p)
384 (arm_output_addr_const_extra): New prototypes.
385 (thumb_legitimize_pic_address): Delete.
386 * config/arm/arm.c: Include "gt-arm.h".
387 (enum tls_reloc): New.
388 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
389 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
390 (arm_call_tls_get_addr, legitimize_tls_address)
391 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
392 (arm_init_tls_builtins, arm_emit_tls_decoration)
393 (arm_output_addr_const_extra): New functions.
394 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
395 (TARGET_HAVE_TLS): Define.
396 (target_thread_pointer): New.
397 (arm_override_options): Handle -mtp=.
398 (legitimize_pic_address): Ignore UNSPECs.
399 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
401 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
402 (tls_get_addr_libfunc): New variable.
403 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
404 (arm_init_builtins): Call arm_init_tls_builtins.
405 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
406 (arm_encode_section_info): Call default_encode_section_info.
407 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
408 (enum arm_tp_type): New.
409 (target_thread_pointer): Add declaration.
410 (LEGITIMATE_CONSTANT_P): Handle TLS.
411 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
412 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
413 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
414 * config/arm/arm.md: Add UNSPEC_TLS.
416 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
418 (tls_load_dot_plus_eight): New insn and a peephole to create it.
419 (load_tp_hard, load_tp_soft): New insns.
420 * arm.opt: Add -mtp=.
421 * doc/invoke.texi (ARM Options): Document -mtp.
423 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
425 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
426 * config/arm/libunwind.S: Include "lib1funcs.asm".
427 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
428 (LIB2ADDEH): Add libunwind.S.
429 (LIB2ADDEHDEP): Add lib1funcs.asm.
430 * mklibgcc.in: Handle asm files in libgcc_eh.a.
432 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
435 * gcc/c.opt: Add a -lang-fortran option.
436 * gcc/c-opts.c: Add a lang_fortran flag.
437 (c_common_init_options): Handling the -lang-fortran option.
438 (c_common_handle_option): Add a case for Fortran options in
439 preprocessing. Remove cases for -ffixed-form and
440 -ffixed-line-length. Add a case for -lang-fortran.
442 2005-11-03 David Edelsohn <edelsohn@gnu.org>
444 * config/rs6000/rs6000.c: Include params.h
445 (optimization_options): Set max-grow-copy-bb-insns default to 16.
446 (bdesc_2arg): Delete vpkuhss and vpkuwss.
447 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
448 (UNSPEC_VPKUWSS): Delete.
449 (altivec_vpkuhss): Delete.
450 (altivec_vpkuwss): Delete.
451 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
453 (neg_eq0<mode>): Remove final condition.
454 (neg_eq<mode>): Remove condition and split-condition.
456 2005-11-04 Alan Modra <amodra@bigpond.net.au>
458 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
459 Use associated print macros.
461 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
464 * diagnostic.c (diagnostic_set_info_translated): New function.
465 (diagnostic_set_info): Use it. Add comment.
466 * diagnostic.h (diagnostic_set_info_translated): Declare.
468 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
470 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
471 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
472 reference only if 'public' is true.
473 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
474 emit the .hidden directive only if the indirect reference is public.
475 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
476 Pass it to dw2_force_const_mem.
477 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
478 * dwarf2out.c (output_cfi): Adjust calls to above function.
479 (output_call_frame_info): Likewise.
480 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
481 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
483 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
485 PR tree-optimization/24483
486 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
487 field to elts if possible.
489 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
492 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
495 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
497 Fix PR tree-optimization/24351
499 * tree-ssa-structalias.c (struct variable_info): Add
501 (get_varinfo_fc): New function to follow collapsing.
502 (new_var_info): Set collapsed_to to NULL.
503 (dump_constraint): Follow collapsing.
504 (build_constraint_graph): Handle collapsing.
505 (do_simple_structure_copy): Return false if something bad
507 (collapse_rest_of_var): New function.
508 (do_structure_copy): Collapse if do_simple_structure_copy returns
511 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
514 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
515 expressions to a statement list instead of gimplifying them.
517 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
519 PR rtl-optimization/23585
520 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
521 that can't trap plus a constant integer, if the mode has zero size.
523 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
526 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
528 ("*insv<mode>_reg_extimm"): Likewise.
530 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
533 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
534 c_common_type_for_mode returns an unnamed type.
536 2005-11-02 Richard Henderson <rth@redhat.com>
540 * dwarf2out.c (dwarf2out_reg_save_reg): New.
541 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
542 * function.c (assign_parms): Use calls.internal_arg_pointer.
543 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
545 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
546 (TARGET_CALLS): Add it.
547 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
548 * targhooks.c (default_internal_arg_pointer): New.
549 * targhooks.h (default_internal_arg_pointer): Declare.
550 * tree.h (dwarf2out_reg_save_reg): Declare.
551 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
552 * config/i386/i386.c (dbx_register_map): Add return column.
553 (dbx64_register_map, svr4_dbx_register_map): Likewise.
554 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
555 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
556 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
557 (ix86_save_reg): Save force_align_arg_pointer.
558 (ix86_emit_save_regs): Make regno unsigned.
559 (ix86_emit_save_regs_using_mov): Likewise.
560 (ix86_expand_prologue): Handle force_align_arg_pointer.
561 (ix86_expand_epilogue): Likewise.
562 * config/i386/i386.h: (dbx_register_map): Update.
563 (dbx64_register_map, svr4_dbx_register_map): Update.
564 (struct machine_function): Add force_align_arg_pointer.
565 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
566 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
567 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
569 2005-11-02 Jan Hubicka <jh@suse.cz>
572 * i386.md: Add peep2 for simplyfing array accesses.
574 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
577 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
578 * config/s390/s390.c (s390_decompose_shift_count): New function.
579 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
580 (print_shift_count_operand): Use s390_decompose_shift_count.
581 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
582 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
584 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
587 * loop.c (loop_givs_rescan): Use force_operand to expand
590 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
593 * fold-const.c (build_range_check): Use unsigned when signed
594 overflow is undefined also. If etype is subtype, make sure that
595 the subtraction is in the supertype.
597 2005-11-02 Richard Henderson <rth@redhat.com>
600 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
603 2005-11-01 Richard Henderson <rth@redhat.com>
606 * loop.c (scan_loop): Do not propagate computations to a hard
607 register destination with SMALL_REGISTER_CLASSES.
609 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
611 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
612 costs for MULT inside PLUS or MINUS.
614 2005-11-01 Bob Wilson <bob.wilson@acm.org>
616 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
617 (TRAMPOLINE_SIZE): Round up to 60.
618 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
620 2005-10-31 James E. Wilson <wilson@specifix.com>
623 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
624 ifdef. Put ifdefs around call in gen_subprogram_die.
625 (compute_frame_pointer_to_cfa_displacement): Likewise.
626 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
629 PR rtl-optimization/17356
630 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
631 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
633 2005-10-31 Jan Hubicka <jh@suse.cz>
636 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
639 * i386.c (legitimize_pic_address): Deal with large immediates.
642 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
643 from symbol names while computing checkup.
646 * predict.c (predict_loops): Do not estimate more than
647 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
648 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
650 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
652 PR tree-optimization/19097
653 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
655 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
657 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
659 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
662 * tree-inline.c (setup_one_parameter): If the init_stmt
663 is NULL, don't insert the statement.
665 2005-10-30 Jan Hubicka <jh@suse.cz>
667 PR tree-optimization/24172
668 * tree-inline.c (copy_body_r): Unshare the substituted value first.
670 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
672 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
673 constants for hosts with long != 32 bits.
675 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
678 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
680 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
682 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
683 (TARGET_MS1_16_002): New.
684 (TARGET_MS1_16_003): New.
686 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
687 ("*decrement_and_branch_until_zero_no_clobber"): New.
688 Add corresponding splitter for decrement_and_branch_until_zero
690 Key all decrement_and_branch_until_zero patterns off of
693 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
696 * tree-complex.c (extract_component): Treat RESULT_DECL
697 like the rest of the decls.
699 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
701 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
702 indirect call to _mcount if the function needs a static chain.
704 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
705 Caroline Tice <ctice@apple.com>
707 PR rtl-optimization/24460
708 * dwarf2out.c (have_switched_text_sections): New boolean variable.
709 (dwarf2out_switch_text_section): Set it to true instead of
710 incrementing separate_line_info_table_in_use.
711 (output_loc_list): Additionally test have_switched_text_sections.
712 (output_ranges): Likewise.
713 (dwarf2out_finish): Likewise.
714 * varasm.c (assemble_start_function): Do not call
715 insert_section_boundary_note.
716 (assemble_end_function): If flag_reorder_blocks_and_partition,
717 switch to the function's section before emitting the .size directive.
718 * bb-reorder.c (insert_section_boundary_note): Staticify.
719 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
720 * output.h (insert_section_boundary_note): Delete.
722 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
725 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
726 instead of pointer equality when comparing types.
728 2005-10-24 James E. Wilson <wilson@specifix.com>
730 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
731 add_dependence_list_and_free calls.
733 2005-10-24 Steven Bosscher <stevenb@suse.de>
735 * contrib.texi: Add the names of the LLNL folks who donated
736 Cray pointer support for gfortran.
738 2005-10-24 Steven Bosscher <stevenb@suse.de>
740 PR tree-optimization/24225
741 * profile.c (branch_prob): Look from end to start through a
742 basic block when looking for a locus.
744 2005-10-24 Richard Henderson <rth@redhat.com>
746 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
748 (hppa_expand_prologue): Likewise.
750 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
752 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
753 (NO_DEFERRED_PROFILE_COUNTERS): Define.
754 * pa.h (NO_PROFILE_COUNTERS): Define.
755 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
756 (funcdef_nos): New vector to hold label numbers of deferred profile
758 (output_deferred_profile_counters): New function.
759 (hppa_profile_hook): Push label number onto funcdef_nos.
760 (pa_hpux_file_end): Call output_deferred_profile_counters if
761 NO_DEFERRED_PROFILE_COUNTERS is false.
763 * pa-protos.h (get_deferred_plabel): New prototype.
764 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
766 (output_call): Adjust calls.
768 2005-10-24 Alan Modra <amodra@bigpond.net.au>
770 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
771 peculiarity of GOT/TOC section usage.
773 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
776 * c-common.c (constant_string_class_name): Add documentation.
778 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
781 * recog.c (peephole2_optimize): Increment peep2_current_count
782 only when the slot is empty.
784 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
787 * except.c (output_function_exception_table): Call
788 assemble_external_libcall if we need a personality function.
790 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
792 PR rtl-optimization/24460
793 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
794 set the basic block for barriers.
796 2005-10-21 Janis Johnson <janis187@us.ibm.com>
798 * var-tracking.c (vt_initialize): Initialize post.
800 2005-10-21 Devang Patel <dpatel@apple.com>
803 * c-common.c (vector_types_convertible_p): Check vector element type.
805 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
807 * config/sh/sh.c (prepare_move_operands): Handle the address
808 constant which is a tls symbolic address plus a constant.
810 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
813 * gcc.c (main): Use the correct counter for erroring out
814 about mulitple files.
816 2005-10-21 Alan Modra <amodra@bigpond.net.au>
819 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
820 use r2 for 64-bit tls .got access.
822 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
824 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
827 2005-10-20 Steven Bosscher <stevenb@suse.de>
829 PR tree-optimization/24307
830 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
832 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
835 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
837 * varasm.c (find_decl_and_mark_needed): After cgraph global info
838 is ready, stop marking functions, but still mark variables.
840 2005-10-20 Richard Guenther <rguenther@suse.de>
843 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
846 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
848 PR rtl-optimization/23585
849 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
850 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
851 (may_trap_p_1): New predicate extracted from...
852 (may_trap_p): ... here. Invoke may_trap_p_1.
853 (may_trap_or_fault_p): New predicate.
854 * rtl.h (may_trap_or_fault_p): Declare it.
855 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
856 instead of may_trap_p.
857 (steal_delay_list_from_fallthrough): Likewise.
858 (fill_simple_delay_slots): Likewise.
859 (fill_slots_from_thread): Likewise.
860 * function.c (pad_to_arg_alignment): Rework comment about
861 SPARC_STACK_BOUNDARY_HACK.
862 * config/sparc/sparc.h: Likewise.
864 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
866 * config/s390/s390.c (s390_expand_insv): New.
867 * config/s390/s390-protos.h (s390_expand_insv): Declare.
868 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
869 ("icm_hi"): Remove mode attribute.
870 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
872 ("*extracthi", "*extractqi"): Remove.
873 (extv<mode>", "*extzv<mode>"): New.
874 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
875 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
877 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
879 * cfgexpand.c (discover_nonconstant_array_refs_r,
880 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
881 (tree_expand_cfg): Call discover_nonconstant_array_refs.
882 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
883 discover_nonconstant_array_refs.
885 2005-10-19 Steven Bosscher <stevenb@suse.de>
888 * c-decl.c (pop_scope): Don't warn about an unused variable
889 if it is marked with TREE_NO_WARNING.
890 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
891 somenow mismatch and olddecl is to be replaced.
893 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
896 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
897 whether registers live on the edge can be saved/restored.
899 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
901 * config/sh/sh.c (fixup_mova): Skip notes.
903 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
905 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
906 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
907 (s390_can_eliminate): Handle BASE_REGNUM elimination.
908 (s390_initial_elimination_offset): Likewise.
909 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
910 register on TARGET_ZARCH targets.
911 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
912 (INITIAL_FRAME_POINTER_OFFSET): Remove.
913 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
914 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
916 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
918 * config/s390/s390.md: Comment describing output modifiers updated.
919 * config/s390/s390.c (print_operand): Likewise.
921 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
923 * config/s390/s390.c (override_options): Added check for -mstack-size
925 * doc/invoke.texi: Mention that limit in the documenation.
927 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
930 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
932 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
934 Fix PR tree-optimization/24231
936 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
937 (compute_avail): Ditto.
939 2005-10-18 Richard Henderson <rth@redhat.com>
942 * config/i386/i386.c (legitimate_constant_p): Check
943 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
945 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
946 (legitimate_pic_address_disp_p): Reorg CONST checking to make
947 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
949 (print_operand_address): Likewise.
950 * config/i386/predicates.md (x86_64_immediate_operand): Test
951 SYMBOL_REF_TLS_MODEL properly inside CONST.
952 (x86_64_zext_immediate_operand): Likewise.
953 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
954 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
955 * config/i386/i386-protos.h: Remove predicates.md entries.
957 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
959 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
960 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
962 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
963 Ian Lance Taylor <ian@airs.com>
966 * fold-const.c (fold_widened_comparison): Do not allow range based
967 constant folding when right operand cannot be unwidened.
969 2005-10-17 Richard Henderson <rth@redhat.com>
971 * builtins.c (expand_builtin_synchronize): Build a new-style asm
972 with a memory clobber.
974 2005-10-17 James E Wilson <wilson@specifix.com>
976 PR rtl-optimization/17356
977 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
978 checking for EDGE_EH.
980 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
982 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
983 the slot on an even boundary for any type with 16-byte alignment.
985 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
988 * md.texi (Modifiers) <%>: Clarify that % doesn't work
989 after register allocation.
991 2005-10-17 DJ Delorie <dj@redhat.com>
993 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
996 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
999 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1002 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1004 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1005 to 2 if it's already non-zero.
1006 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1007 is set and warn about it if flag_schedule_insns is 1.
1009 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1011 * config/crx/crx.md: Compare-and-branch instructions need to
1014 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1017 * config/i386/i386.md (*pushdi2_rex64 splitter)
1018 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1019 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1020 flow2 pass only when (optimize > 0 && flag_peephole2).
1022 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1025 * gcc.c (have_c): New static variable.
1027 (process_command): Remove declation of have_c.
1028 Set have_o to 1 when handling -o.
1029 (main): Add a fatel error if there are multiple
1030 files specified and -o and -c/-S is passed witout
1031 -combine or multiple languages.
1033 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1035 Fix PR tree-optimization/22444
1036 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1037 Assert that we don't hit something with subvars.
1038 (setup_pointers_and_addressables): Don't add things with subvars,
1039 because we'll already process the subvars for aliasing purposes.
1041 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1044 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1045 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1046 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1047 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1048 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1049 swapped, alternatives for the R constraint.
1052 * builtins.c (get_builtin_sync_mode): Make unlimited
1053 mode_for_size request.
1055 2005-10-15 Richard Henderson <rth@redhat.com>
1057 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1058 (gimplify_expr): ... here.
1059 (gimplify_compound_lval): Use it in initial scan loop. Allow
1060 fb_lvalue in base expression.
1062 2005-10-15 Richard Henderson <rth@redhat.com>
1065 * builtins.c (expand_builtin_trap): Export.
1066 * expr.h (expand_builtin_trap): Declare.
1067 * expr.c (expand_assignment): Emit a trap for integral offsets
1068 from registers that weren't reduced to bitpos.
1070 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1071 (mark_array_ref_addressable): Remove.
1072 * tree-flow.h (mark_array_ref_addressable): Remove.
1073 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1075 2005-10-15 James E Wilson <wilson@specifix.com>
1078 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1079 (add_dependence_list_and_free): Likewise.
1080 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1083 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1087 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1088 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1090 (vrp_visit_phi_node): Only prevent infinite iterations when
1091 the previous result and the new result are both VR_RANGEs.
1093 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1095 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1098 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1101 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1104 2005-10-14 Per Bothner <per@bothner.com>
1106 PR preprocessor/21250
1107 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1109 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1112 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1113 overflow flags. Refactor some conditionals.
1115 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1118 * tree-dfa.c (add_referenced_var): Only look at decls which
1119 have TREE_CONSTANT or TREE_READONLY set instead of if
1120 !TREE_PUBLIC or !TREE_CONSTANT.
1122 2005-10-13 James E Wilson <wilson@specifix.com>
1124 * doc/invoke.texi: For -x, add f95-cpp-input.
1125 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1127 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1129 PR tree-optimization/24262
1130 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1131 in loop all the time.
1133 2005-10-12 Richard Henderson <rth@redhat.com>
1136 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1137 * function.c (assign_parm_find_data_types): Don't support it.
1138 * print-tree.c (print_node): Likewise.
1139 * c-common.c (handle_transparent_union_attribute): Likewise.
1140 Use build_duplicate_type.
1141 * tree-inline.c (remap_type_1): Split out of remap_type;
1142 properly remap aggregate fields.
1143 (build_duplicate_type): New.
1144 * doc/extend.texi (Variable Attributes): Remove documentation
1145 for transparent_union.
1147 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1150 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1151 (gen_stack_pointer_dec): Likewise.
1153 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1157 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1159 (struct cxx): Add adjust_class_at_definition target hook.
1160 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1161 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1162 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1163 hook_void_tree. Add to TARGET_CXX.
1164 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1166 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1167 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1168 instead of attribute. Check for dllexport override. Warn if
1169 inconsistent dll linkage. Don't lose old dllimport if decl has
1170 had address referenced. Tweak lookup of dllimport atribute.
1171 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1172 for target specific rules. Don't add dllimport attribute if
1173 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1174 dllimport attribute.
1175 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1176 * varasm.c (initializer_constant_valid_p): Replace
1177 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1181 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1182 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1183 (i[34567]86-*-mingw32*): Likewise.
1185 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1186 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1188 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1189 C++-specific code. Change return value to bool.
1190 (i386_pe_dllimport_p): Likewise.
1191 (associated_type): Simplify and make language-independent
1192 (i386_pe_encode_section_info): Replace override of ambiguous
1193 dllimport symbol refs with a gcc_assert.
1194 (i386_pe_valid_dllimport_attribute_p): Define.
1195 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1196 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1197 i386_pe_adjust_class_at_definition.
1198 * config/i386/winnt-stubs.c: New file. Define stub versions of
1199 lang-specific functions.
1200 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1201 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1202 i386_pe_adjust_class_at_definition.
1203 (i386_pe_valid_dllimport_attribute_p): Declare.
1204 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1205 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1206 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1209 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1210 dllimport attribute with test of DECL_DLLIMPORT_P.
1212 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1214 * combine.c (make_extraction): Correct offset computation.
1216 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1218 * config/cris/t-linux (LIMITS_H_TEST): Define.
1220 2005-10-12 Richard Henderson <rth@redhat.com>
1223 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1225 2005-10-12 Richard Guenther <rguenther@suse.de>
1227 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1229 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1232 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1233 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1236 2005-10-12 Richard Guenther <rguenther@suse.de>
1239 * varasm.c (output_constant): Correct typo from previous
1242 2005-10-11 Ian Lance Taylor <ian@airs.com>
1244 PR rtl-optimization/13931
1245 * combine.c: Revert patch of 2003-05-14, and:
1246 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1247 completely killed in the appropriate insn.
1248 (distribute_notes): Don't skip multiple hard register test for
1249 elim_i1 and elim_i2.
1251 2005-10-11 Richard Henderson <rth@redhat.com>
1254 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1255 to initialize a transparent union instead of a nop_expr.
1257 2005-10-11 Richard Henderson <rth@redhat.com>
1259 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1260 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1261 (tree_ssa_dce_loop): Call scev_reset.
1264 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1265 * tree-ssa-dce.c: Include cfgloop.h.
1266 (tree_ssa_dce_loop, pass_dce_loop): New.
1267 * tree-pass.h (pass_dce_loop): Declare it.
1268 * passes.c (init_optimization_passes): Use it.
1270 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1273 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1274 Only apply the optimization for rounding builtins if the inner
1275 cast is also an extension.
1277 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1280 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1281 mark_new_vars_to_rename instead of update_stmt.
1283 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1285 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1287 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1289 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1290 for setting MMX register to 0 rather than mmx.
1292 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1295 * configure.ac: Move gas check from mips specific case to common case.
1296 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1297 * configure: Regenerate
1298 * doc/install.texi: Update.
1300 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1303 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1305 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1307 * gcc.c (do_spec_1): Accept numeric characters in file name
1310 2005-10-10 Nick Clifton <nickc@redhat.com>
1312 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1313 describing the deleted arm_gen_rotated_half_load function.
1315 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
1317 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1320 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
1322 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1324 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1325 (EXTRA_MULTILIB_PARTS): Define.
1326 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1327 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1328 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1329 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1330 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1331 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1333 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
1335 PR tree-optimization/24226
1336 * tree-cfg.c (remove_bb): Clean up unreachable loops.
1337 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1338 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1341 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1343 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1345 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1348 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1349 Rewrite for no need for the early clobber.
1351 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1353 Merge from csl-arm-branch:
1354 2005-09-07 Paul Brook <paul@codesourcery.com>
1355 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1358 2005-04-30 Paul Brook <paul@codesourcery.com>
1359 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1360 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1362 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1363 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1364 (arm_override_options): Use TARGET_AAPCS_BASED.
1365 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1366 (PTRDIFF_TYPE): Use int for AAPCS.
1367 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1368 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1369 (DEFAULT_SHORT_ENUMS): Delete.
1370 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1372 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1373 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1374 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1375 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1377 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1378 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1380 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1381 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1383 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1384 * config.gcc (arm*-*-linux-gnueabi): Add it.
1385 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1387 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1388 * config/arm/linux-eabi.h: New file.
1389 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1390 (LINUX_TARET_LINK_SPEC): Likewise.
1391 (LINK_SPEC): Use it.
1392 * config/arm/t-linux-eabi: New file.
1394 2005-10-08 Steven Bosscher <stevenb@suse.de>
1397 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1399 (PARAM_SMS_DFA_HISTORY): Likewise.
1401 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1404 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1405 (load_register_parameters): Call it.
1406 (check_sibcall_argument_overlap_1): Likewise.
1407 (store_one_arg): Likewise.
1409 2005-10-07 James E. Wilson <wilson@specifix.com>
1411 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1412 DImode not VECINT24 for operand 2.
1415 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1419 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1420 fr_spill): Use destination_operand for operand 0.
1422 2005-10-07 DJ Delorie <dj@redhat.com>
1424 * varasm.c (output_constant): Limit error to expanding
1427 2005-10-07 Richard Guenther <rguenther@suse.de>
1430 * fold-const.c (fold_binary): Fix operand types during folding
1431 of X op (A, Y). Evaluation order of the side-effects of
1432 X and A are frontend-defined, so ensure we honour that even for
1433 tcc_comparison class operands; eased by removing duplicate code.
1435 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1437 * stor-layout.c (layout_type): Do not allow alignment of array
1438 elements to be greater than their size.
1440 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1442 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1444 (hppa*-*-linux*): Ditto.
1445 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1446 * config/host-hpux.c: New.
1447 * config/x-hpux: New.
1448 * config/pa/x-hpux: Remove.
1449 * config/pa/x-linux: Remove.
1450 * config/pa/pa-host.c: Remove.
1452 2005-10-07 Jeff Law <law@redhat.com>
1454 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1455 determine whether or not to try and thread outgoing edges.
1457 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1459 * config/rs6000/rs6000.md (eqsi_power): New.
1460 (neg_eq0si): Add TARGET_POWER to final condition.
1463 2005-10-06 Richard Henderson <rth@redhat.com>
1465 * config/rs6000/rs6000.c: Revert last change.
1467 2005-10-06 Richard Henderson <rth@redhat.com>
1469 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1470 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1472 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1476 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1477 out return_label and naked_return_label.
1479 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1481 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1484 2005-10-06 Richard Henderson <rth@redhat.com>
1487 * tree-inline.c (declare_return_variable): Handle modify_dest not
1490 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1492 Fix PR tree-optimization/22488
1493 * tree-ssa-structalias.c (check_for_overlaps): New function.
1494 (create_variable_info_for): Use it.
1496 2005-10-06 Richard Henderson <rth@redhat.com>
1499 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1500 (dwarf2out_start_source_file): Print it.
1502 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1504 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1506 2005-10-06 Richard Henderson <rth@redhat.com>
1509 * mode-switching.c (optimize_mode_switching): Clear transp bit
1510 for block with incomming abnormal edges.
1512 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1513 (fpscr_set_from_mem): Use them.
1514 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1515 (fpscr postinc splitters): Rewrite as peephole2+split.
1517 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1519 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1520 (eq<mode>_compare): Same.
1522 2005-10-06 Richard Guenther <rguenther@suse.de>
1524 PR tree-optimization/24238
1525 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1527 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1529 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1530 here. Use AC_PATH_PROG for environment variables instead of
1532 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1534 * configure: Regenerated.
1536 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1539 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1540 then force it into a register.
1541 (call_value): Likewise.
1543 2005-10-06 Richard Henderson <rth@redhat.com>
1546 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1547 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1548 under pass_vectorize.
1550 2005-10-05 Devang Patel <dpatel@apple.com>
1553 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1554 handling constants. Check NAMESPACE_DECL context for constants.
1556 2005-10-05 Eric Christopher <echristo@apple.com>
1558 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1560 2005-10-05 Richard Henderson <rth@redhat.com>
1563 * tree-cfg.c (mark_array_ref_addressable_1): New.
1564 (mark_array_ref_addressable): New.
1565 * tree-flow.h (mark_array_ref_addressable): Declare.
1566 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1568 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1572 * reload.c (subst_reloads): When adding a REG_LABEL to a
1573 jump instruction, also update JUMP_LABEL.
1575 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1577 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1578 * bb-reorder.c (copy_bb_p): Use it.
1579 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1581 2005-10-05 Richard Henderson <rth@redhat.com>
1584 * toplev.c (process_options): Warn about unsupported combinations
1585 of unwind tables and omit-frame-pointer.
1586 * config/i386/i386.c (override_options): Similarly. Enable
1587 accumulate-outgoing-args if not explicitly disabled.
1589 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1591 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1592 Handle big endian vs. small endian.
1593 (vec_initv2sf): Handle big endian vs. small endian.
1594 (*vec_extractv2sf_1): Ditto.
1596 2005-10-05 Dale Johannesen <dalej@apple.com>
1598 * convert.c (convert_to_real): Don't convert
1599 (float)floor(double d) to floorf((float)d).
1601 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1603 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1605 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1607 PR tree-optimization/18587
1608 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1609 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1610 build_vuses): Change to VEC type.
1611 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1612 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1613 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1614 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1615 (get_name_decl): New. Return DECL_UID of base variable.
1616 (operand_build_cmp): New. qsort comparison routine.
1617 (operand_build_sort_virtual): New. Sort virtual build vector.
1618 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1619 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1620 (FINALIZE_BASE): Use get_name_decl.
1621 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1622 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1623 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1624 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1625 direct VEC_* manipulations.
1626 (build_ssa_operands): Call operand_build_sort_virtual.
1627 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1628 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1629 with direct VEC_* manipulations.
1630 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1631 with direct VEC manipulations.
1633 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1635 PR tree-optimization/21419
1636 PR tree-optimization/24146
1637 PR tree-optimization/24151
1639 * c-typeck.c (readonly_error): Handle USE being lv_asm.
1640 (build_asm_expr): Call it if outputs are read-only.
1641 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1643 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
1644 Paolo Bonzini <bonzini@gnu.org>
1648 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1649 enable the instructions and not just the built-ins.
1650 * doc/invoke.texi (x86 Options): Likewise.
1652 2005-10-04 Geoffrey Keating <geoffk@apple.com>
1654 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1656 * doc/invoke.texi (Option Summary): Correct spelling
1657 of -mmacosx-version-min.
1659 2005-10-04 Devang Patel <dpatel@apple.com>
1661 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1664 2005-10-04 Steve Ellcey <sje@cup.hp.com>
1666 * tree-vect-transform.c (vect_create_epilog_for_reduction):
1667 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1669 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
1671 * config/s390/s390.md ("TDSI","DP"): New mode macros.
1672 ("TE","tg"): New mode attributes.
1673 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1674 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1675 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1676 dword_mode and one for GPRmode.
1678 2005-10-04 Ian Lance Taylor <ian@airs.com>
1680 PR preprocessor/13726
1681 * c-ppoutput.c (cb_include): Add comments parameter, and print out
1682 any comments passed in.
1684 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1686 * tree.c (annotate_with_file_line): Fix typo.
1688 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1691 * builtins.c (fold_builtin_memcmp): When constructing the pointer
1692 type used to access data in the inlined length == 1 case, use
1693 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1694 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1696 2005-10-04 Uros Bizjak <uros@kss-loka.si>
1698 * config/i386/i386.h (TARGET_FISTTP): Enable also for
1699 TARGET_SSE3 and only for TARGET_80387.
1700 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1701 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1702 Do not depend on TARGET_80387.
1704 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1706 * tree.c (last_annotated_node): Change type to location_t*.
1707 (annotate_with_file_line): Reflect the change of
1708 last_annotated_node type.
1710 2005-10-04 Richard Guenther <rguenther@suse.de>
1713 * c-decl.c (grokdeclarator): Don't write to fields
1716 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1719 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1721 * varasm.c (make_decl_rtl): If a register variable does not
1722 have a set user assmbler name, error out.
1723 Decode the asmspec is now name+1 bypassing '*'.
1725 2005-10-04 Steven Bosscher <stevenb@suse.de>
1727 PR tree-optimization/23049
1728 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1729 of a COND_EXPR is folded before calling fold on the whole rhs of a
1730 conditional assignment.
1731 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1732 document that a COND_EXPR may appear there.
1734 2005-10-03 Diego Novillo <dnovillo@redhat.com>
1737 * tree-vrp.c (extract_range_from_assert): If the new numeric
1738 range created out of the assertion contradicts the existing
1739 numeric range of the ASSERT_EXPR variable, make the new range
1742 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
1744 * config/sh/sh.c (sh_register_move_cost): Add case for moving
1745 from T_REGS to FP register class.
1747 2005-10-03 Richard Henderson <rth@redhat.com>
1750 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1751 before creating a new one.
1753 2005-10-03 David Edelsohn <edelsohn@gnu.org>
1755 * config/rs6000/t-aix43 (LDFLAGS): New.
1756 * config/rs6000/t-aix52 (LDFLAGS): New.
1758 2005-10-03 Ian Lance Taylor <ian@airs.com>
1760 * gimplify.c (find_single_pointer_decl_1): New static function.
1761 (find_single_pointer_decl): New static function.
1762 (internal_get_tmp_var): For a formal variable, set restrict base
1763 information if appropriate.
1764 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1766 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1767 (DECL_GET_RESTRICT_BASE): Define.
1768 (SET_DECL_RESTRICT_BASE): Define.
1769 (decl_restrict_base_lookup): Declare.
1770 (decl_restrict_base_insert): Declare.
1771 (struct tree_decl_with_vis): Add based_on_restrict_p field.
1772 * tree.c (restrict_base_for_decl): New static variable.
1773 (init_ttree): Initialize restrict_base_for_decl.
1774 (copy_node_stat): Copy restrict base information.
1775 (decl_restrict_base_lookup): New function.
1776 (decl_restrict_base_insert): New function.
1777 (print_restrict_base_statistics): New static function.
1778 (dump_tree_statistics): Call print_restrict_base_statistics.
1780 2005-10-02 Diego Novillo <dnovillo@redhat.com>
1783 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1784 case of anti-ranges.
1786 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
1789 * c-typeck.c (tagged_tu_seen): Rename to ...
1790 (tagged_tu_seen_cache): this and add val field.
1791 (comptypes): Move functional to comptypes_internal
1792 and free tagged_tu_seen.
1793 (comptypes_internal): New function and call comptypes_internal
1794 instead of comptypes. Speed up by sibcalling
1795 tagged_types_tu_compatible_p.
1796 (alloc_tagged_tu_seen): New function
1797 (free_all_tagged_tu_seen_up_to): New function.
1798 (tagged_types_tu_compatible_p): Return the val of the seen two
1800 Add that the two types are the same to tagged_tu_seen_base
1801 if they are and call comptypes_internal instead of comptypes.
1802 <case UNION_TYPE>: Speed up common type where the fields are
1804 (function_types_compatible_p): Call comptypes_internal instead of
1806 (type_lists_compatible_p): Likewise.
1807 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1809 2005-10-02 Matthias Klose <doko@debian.org>
1811 * doc/invoke.texi: Fix typo and speling error.
1813 2005-10-01 Richard Henderson <rth@redhat.com>
1815 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1817 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1819 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1820 using --start-group and --end-group.
1822 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1824 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1825 FIXME note regarding quirky semantics.
1827 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1830 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1831 non-null range as a last resort.
1833 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
1834 Diego Novillo <dnovillo@redhat.com>
1837 * tree-vrp.c (extract_range_from_assert): For !=
1838 assertions, only build an anti-range if LIMIT is a
1839 single-valued range.
1841 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
1843 * arm.md (movqi): On thumb when optimizing, handle loading from
1844 memory by describing this as taking a subreg of a zero-extended load
1845 into an SImode register.
1848 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
1850 * reload1.c (merge_assigned_reloads): Do not change any
1851 RELOAD_FOR_OUTPUT_ADDRESS reloads.
1853 2005-09-30 Geoffrey Keating <geoffk@apple.com>
1855 * Makefile.in (LIPO_FOR_TARGET): Define.
1856 (STRIP_FOR_TARGET): Define.
1858 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1859 before creating new ones. Do symlinks before creating the actual
1862 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1863 to work out which multilibs are actually being built.
1865 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
1867 * tree-vect-transform.c, config/ms1/ms1.md,
1868 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1869 Follow spelling conventions.
1870 * doc/invoke.texi, doc/md.texi: Fix typos.
1872 2005-09-30 Andrew Macleod <amacleod@redat.com>
1874 PR tree-optimization/21430
1875 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1876 use operands, and set stmt pointer if need be.
1877 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1878 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1881 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1884 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1886 2005-09-29 Mark Mitchell <mark@codesourcery.com>
1888 * optabs.c (expand_binop): Initialize first_pass_p.
1890 2005-09-29 Jakub Jelinek <jakub@redhat.com>
1893 * c-decl.c (c_write_global_declarations_1): If any
1894 wrapup_global_declaration_2 call returned true, restart the loop.
1896 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
1898 Fix PR tree-optimization/24117
1899 * tree-ssa-structalias.c (find_func_aliases): Strip nops
1900 before considering whether to use anyoffset.
1902 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1906 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1908 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1910 (swap_commutative_operands_with_target): New.
1912 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1915 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1918 2005-09-29 Steven Bosscher <stevenb@suse.de>
1920 PR tree-optimization/23911
1921 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1922 and IMAGPART_EXPR too.
1924 2005-09-28 Mark Mitchell <mark@codesourcery.com>
1927 * expmed.c (expand_shift): Move logic to reverse rotation
1928 direction when rotating by constants ...
1929 * optabs.c (expand_binop): ... here.
1930 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1931 (ix86_rotrdi3): New pattern.
1932 (rotldi3): Handle 32-bit mode.
1933 (ix86_rotldi3): New pattern.
1935 2005-09-29 Alan Modra <amodra@bigpond.net.au>
1938 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1939 check for numbers that need no bit twiddle.
1941 2005-09-28 Geoffrey Keating <geoffk@apple.com>
1943 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1944 multilib to be built.
1946 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1947 (stage1-start): Delete old libgcc and libunwind before moving
1948 anything into the stage directory.
1949 (stage2-start): Likewise.
1950 (stage3-start): Likewise.
1951 (stage4-start): Likewise.
1952 (stageprofile-start): Likewise.
1953 (stagefeedback-start): Likewise.
1954 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1955 header in tm_file and CPU-specific t-darwin in tmake_file.
1956 (i[34567]86-*-darwin*): Don't change tm_file.
1957 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1958 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1959 shared library stub for target OS version.
1960 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1961 (SHLIB_LINK): Don't make SHLIB_SOLINK.
1962 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1963 (libgcc_s.%.dylib): New.
1965 (install-darwin-libgcc-stubs): New.
1966 (INSTALL_LIBGCC): New append.
1967 * config/i386/darwin-libgcc.10.4.ver: New.
1968 * config/i386/darwin-libgcc.10.5.ver: New.
1969 * config/i386/t-darwin: New.
1970 * config/rs6000/darwin-libgcc.10.4.ver: New.
1971 * config/rs6000/darwin-libgcc.10.5.ver: New.
1972 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1973 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1975 2005-09-28 Paul Brook <paul@codesourcery.com>
1977 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1980 2005-09-28 Richard Guenther <rguenther@suse.de>
1982 PR tree-optimization/23853
1983 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1984 host_integerp to verify misalignment value.
1986 2005-09-28 Richard Henderson <rth@redhat.com>
1988 * builtins.c (get_builtin_sync_mode): New.
1989 (expand_builtin_sync_operation): Pass in mode argument.
1990 (expand_builtin_compare_and_swap): Likewise.
1991 (expand_builtin_lock_test_and_set): Likewise.
1992 (expand_builtin_lock_release): Likewise.
1993 (expand_builtin): Update to match.
1995 2005-09-28 Nick Clifton <nickc@redhat.com>
1997 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1998 formatting. Add check to PLUS case to ensure that the offset is
1999 within an acceptable range.
2001 * config/v850/v850.md (casesi): Disable the generation of the
2002 switch pattern as it is not being handled properly at the moment.
2004 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2005 for when the high words are identical.
2007 2005-09-27 Richard Henderson <rth@redhat.com>
2009 * pretty-print.c (pp_base_format): Fix typo for %>.
2011 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2012 Devang Patel <dpatel@apple.com>
2014 PR tree-optimization/23625
2015 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2016 LABEL_EXPR, assertion check.
2018 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2020 * optabs.c (no_conflict_move_test): Check if a result of a
2021 to-be-moved insn would be clobbered by an originally
2024 2005-09-27 Jeff Law <law@redhat.com>
2026 * passes.c (init_optimization_passes): Replace copy propagation
2027 passes immediately after DOM with phi-only copy propagation
2028 pases. Add phi-only copy propagation pass after first DOM pass.
2029 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2030 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2031 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2032 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2033 to init_copy_prop. Callers updated.
2034 (do_phi_only_copy_prop): New function.
2035 (pass_phi_only_copy_prop): New pass descriptor.
2037 2005-09-27 Nick Clifton <nickc@redhat.com>
2039 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2041 2005-09-26 Jason Merrill <jason@redhat.com>
2044 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2046 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2048 2005-09-26 James E Wilson <wilson@specifix.com>
2050 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2051 copyright. Add gcc copyright plus libgcc exception.
2052 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2054 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2056 2005-09-26 Jeff Law <law@redhat.com>
2058 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2059 about when to iterate.
2061 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2064 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2065 for __complex__ double in -mcpu=G5 mode.
2067 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2069 PR tree-optimization/23942
2070 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2071 * tree-scalar-evolution.c: Include params.h.
2073 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2074 follow_ssa_edge_in_condition_phi_branch,
2075 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2076 Change return type to t_bool. Use a parameter to limit the size of
2077 trees that are walked before stopping
2078 (analyze_evolution_in_loop): Initialize the limit to 0.
2079 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2080 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2082 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2085 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2086 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2088 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2090 * combine.c (make_extraction): Check for valid use of subreg.
2092 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2095 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2096 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2097 ("fist<mode>2_with_temp"): Use only register operands.
2099 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2101 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2102 CALL_INSN_FUNCTION_USAGE.
2104 2005-09-26 Richard Guenther <rguenther@suse.de>
2107 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2108 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2109 (ldst_entry): Use the hashtable instead of list-walking.
2110 (find_rtx_in_ldst): Likewise.
2111 (free_ldst_entry): Free the hashtable.
2112 (compute_ld_motion_mems): Create the hashtable.
2113 (trim_ld_motion_mems): Remove entry from hashtable if
2114 removing it from list.
2115 (compute_store_table): Likewise^2.
2116 (store_motion): Free hashtable in case we did not see
2119 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2121 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2122 and arg1 if we are passing them to fold_build2.
2124 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2127 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2130 2005-09-25 Richard Henderson <rth@redhat.com>
2132 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2133 SYMBOL_REF_TLS_MODEL to be correct.
2135 2005-09-24 Richard Henderson <rth@redhat.com>
2137 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2138 end of function. Reindent.
2140 2005-09-24 Ian Lance Taylor <ian@airs.com>
2142 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2143 NEGATE_EXPR/BIT_NOT_EXPR case.
2145 2005-09-24 Richard Henderson <rth@redhat.com>
2147 * c-common.c (handle_mode_attribute): When not modifying in place,
2148 create subtypes for enumerations.
2149 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2150 * gimplify.c (create_tmp_from_val): Likewise.
2152 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2154 * config/i386/i386.md (*tls_global_dynamic_64,
2155 *tls_local_dynamic_base_64): Add missing mode to call.
2156 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2158 2005-09-24 Jan Hubicka <jh@suse.cz>
2160 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2161 (cgraph_clone_node): Likewise.
2162 * cgraph.h (cgraph_clone_edge): Update prototype.
2163 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2164 duplicated prototypes; add updating argument.
2165 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2166 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2168 (cgraph_mark_inline_edge): Likewise.
2169 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2170 (cgraph_flatten_node): Likewise.
2171 (cgraph_decide_recursive_inlining): Likewise.
2172 (cgraph_decide_inlining_of_small_function): Likewise.
2173 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2175 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2176 Pete Steinmetz <steinmtz@us.ibm.com>
2178 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2179 (rldic.): Set type to "compare".
2181 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2182 mfjmpr for MFCTR/MFLR.
2183 (movdf_hardfloat64): Same.
2184 (movdf_softfloat64): Same. Correct order of store and move types.
2185 (movti_string): Set type to store_ux/load_ux.
2186 (load_multiple): Set type to load_ux.
2187 (store_multiple): Set type to store_ux.
2188 (movmemsi): Set type to store_ux.
2189 (output_cbranch direct_return): Set type to jmpreg.
2190 (stmw): Set type to store_ux.
2191 (lmw): Set type to load_ux.
2192 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2193 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2194 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2195 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2196 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2197 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2198 (rios1-fpstore): Increase latency to 3.
2199 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2200 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2202 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2203 Andrew Pinski <pinskia@physics.uc.edu>
2205 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2206 operand2 constraint to "b".
2207 (sync_<fetchop_name>di_internal): Same.
2208 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2210 (sync_old_<fetchop_name>di_internal): Same.
2211 (sync_new_<fetchop_name>si_internal): Same.
2212 (sync_new_<fetchop_name>di_internal): Same.
2214 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2217 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2218 case, define as macros.
2220 PR rtl-optimization/23837
2221 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2222 clobber / clobber match between dest and p->first.
2224 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2225 (no_conflict_move_test): Update comments.
2227 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2229 * doc/install.texi: Update URL for Jacks.
2230 * doc/sourcebuild.texi: Likewise.
2232 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2235 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2236 registers when choosing register preferences.
2237 (movdf_hardfloat64): Same.
2239 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2241 * expmed.c (expand_shift): Don't use the target of the rotate as
2242 target for the first expanded shift insn.
2243 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2245 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2247 PR tree-optimization/22438
2248 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2249 preserved iv rhs rewriting specially.
2251 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2253 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2254 estimate_only is true.
2255 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2256 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2257 tree-ssa-structalias.c
2258 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2259 ref_contains_indirect_ref.
2260 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2262 2005-09-21 DJ Delorie <dj@redhat.com>
2264 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2266 (mn10300_return_in_memory): Support variable size types also.
2267 (mn10300_pass_by_reference): Likewise.
2268 (mn10300_function_value): New.
2269 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2270 (FUNCTION_OUTGOING_VALUE): Likewise.
2271 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2272 * doc/invoke.texi: Document it.
2274 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2277 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2278 force integer op1 into register for XFmode compares.
2280 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2283 * expmed.c (alg_code): Add alg_impossible.
2284 (alg_hash_entry): Add cost.
2285 (synth_mult): Record alg_impossible in the hash table if
2286 multiplication by a given integer is impossble within the
2287 limit. Speed up using alg_impossible.
2289 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2291 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2292 argument. Allow and set any offset if needs_anyoffset is passed
2294 (get_constraint_for): Add argument here too.
2296 (do_structure_copy): Pass NULL to get_constraint_for.
2297 (handle_ptr_arith): Ditto.
2298 (find_func_aliases): Ditto.
2300 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2302 PR rtl-optimization/23898
2303 * output.h (get_attr_min_length): Declare.
2304 * final.c (get_attr_length_1): New function, broken out of:
2306 (get_attr_min_length): New function.
2307 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2308 (duplicate_computed_gotos): Likewise.
2309 * genattr.c (insn_min_length): Generate declaration.
2310 * genattrtab.c (min_fn, min_attr_value): New functions.
2311 (make_length_attrs): Generate insn_min_length.
2313 2005-09-20 Steve Ellcey <sje@cup.hp.com>
2315 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2317 2005-09-20 Richard Henderson <rth@redhat.com>
2319 PR tree-optimization/24059
2320 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2323 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
2325 * c.opt (fextended-identifiers): New.
2326 * c-opts.c (c_common_handle_option): Handle
2327 -fextended-identifiers.
2328 * doc/cpp.texi: Update documentation of extended identifiers.
2329 * doc/cppopts.texi (-fextended-identifiers): Document.
2331 2005-09-20 Jakub Jelinek <jakub@redhat.com>
2333 PR tree-optimization/23929
2334 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2337 PR tree-optimization/23818
2338 * tree-stdarg.c (execute_optimize_stdarg): Call
2339 calculate_dominance_info.
2341 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2343 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2344 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2345 (compute_overlap_steps_for_affine_1_2): Use
2346 get_number_of_iters_for_loop.
2347 (analyze_subscript_affine_affine): Check whether difference is
2349 Use get_number_of_iters_for_loop.
2350 Check whether overlap occurs outside of bounds.
2351 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2353 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2355 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2356 base register if possible.
2358 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2360 PR tree-optimization/18463
2361 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2362 converting it directly is not possible.
2363 (chrec_convert_aggressive): New function.
2364 * tree-chrec.h (chrec_convert_aggressive): Declare.
2365 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2366 Fold chrec conversions aggressively if asked to.
2367 (instantiate_parameters): Modified because of changes in
2368 instantiate_parameters_1.
2370 2005-09-19 Richard Henderson <rth@redhat.com>
2372 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2373 (reduc_splus_v2df): New.
2375 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2377 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2378 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2380 2005-09-19 Richard Henderson <rth@redhat.com>
2382 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2385 2005-09-19 Richard Henderson <rth@redhat.com>
2387 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2388 (ia64_expand_dot_prod_v8qi): New.
2389 * config/ia64/ia64-protos.h: Update.
2390 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2391 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2392 sdot_prodv8qi, sdot_prodv4hi): New.
2393 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2395 2005-09-19 Richard Henderson <rth@redhat.com>
2398 * real.c (exact_real_truncate): Return false if the format cannot
2399 represent the number as a normal.
2401 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2402 for a memory source.
2404 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2406 * tree-ssa-operands.c (swap_tree_operands): Export.
2407 * tree.h (swap_tree_operands): Declare.
2408 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2409 Call swap_tree_operands.
2411 2005-09-19 Richard Henderson <rth@redhat.com>
2413 * tree-flow.h (merge_alias_info): Declare.
2414 * tree-ssa-copy.c (merge_alias_info): Export.
2415 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2416 (vect_create_data_ref_ptr): Use create_iv directly.
2417 (vectorizable_load): Use correct types for integer constants.
2418 (vect_generate_tmps_on_preheader): Likewise.
2419 (vect_gen_niters_for_prolog_loop): Likewise.
2421 2005-09-19 Steven Bosscher <stevenb@suse.de>
2423 PR rtl-optimization/23943
2424 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2426 2005-09-18 Jan Hubicka <jh@suse.cz>
2428 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2430 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2432 * varasm.c (output_constant): Do not abort on conversions to union
2433 types between different sizes.
2435 2005-09-18 Richard Guenther <rguenther@suse.de>
2438 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2441 2005-09-18 Paul Brook <paul@codesourcery.com>
2443 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2445 2005-09-17 Richard Henderson <rth@redhat.com>
2447 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2448 * tree-ssa-loop.c (pass_vect_dce): Remove.
2449 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2452 2005-09-17 Richard Henderson <rth@redhat.com>
2454 * tree-pass.h (pass_vect_dce): Declare.
2455 * passes.c (init_optimization_passes): Add it.
2456 * tree-flow.h (tree_ssa_dce): Declare.
2457 * tree-ssa-dce.c (tree_ssa_dce): Export.
2458 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2459 (gate_tree_vectorize): ... here.
2460 (pass_vect_dce): New.
2462 2005-09-17 Jan Hubicka <jh@suse.cz>
2464 * except.c (struct eh_status): Turn region_array into vec.
2465 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2466 convert_from_eh_region_ranges, find_exception_handler_labels,
2467 current_function_has_exception_handlers, assign_filter_values,
2468 build_post_landing_pads, dw2_build_landing_pads,
2469 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2470 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2471 foreach_reachable_handler, can_throw_internal_1,
2472 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2474 (duplicate_eh_region_1): Update region_array.
2475 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2477 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2480 * expmed.c (expand_mult): Substitute simple register for op0 when
2483 2005-09-17 Richard Henderson <rth@redhat.com>
2485 * expr.c (emit_move_via_integer): Add force argument, pass it on
2486 to emit_move_change_mode. Update callers.
2487 (emit_move_complex): Pass true to new force argument.
2488 * function.c (expand_function_end): Move expand_eh_return call
2489 earlier. Merge sub-word complex values into a pseudo before
2490 copying to the return hard register.
2492 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2494 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2495 between different sizes.
2497 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2501 * passes.c (init_optimization_passes): Register dump files for
2504 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2506 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2507 * config/s390/s390.c (s390_overlap_p): New function.
2508 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2509 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2512 2005-09-16 Richard Guenther <rguenther@suse.de>
2514 * ipa-pure-const.c (static_execute): Free auxiliar information.
2515 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2516 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2518 2005-09-15 DJ Delorie <dj@redhat.com>
2520 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2522 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2524 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2526 (swap_commutative_operands_with_target): New.
2528 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2530 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2533 (estimate_iters_using_array): New function.
2534 * tree-data-ref.h (estimate_iters_using_array): Prototype
2535 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2536 Use estimate_iters_using_array instead of analyze_array.
2538 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2540 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2543 2005-09-15 Michael Matz <matz@suse.de>
2545 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2547 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2549 PR tree-optimization/23835
2550 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2551 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2553 2005-09-14 Richard Henderson <rth@redhat.com>
2555 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2556 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2558 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2560 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2561 in the ARRAY_TYPE case.
2563 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2565 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2567 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2570 * tree-vect-transform.c (vectorizable_operation): Return false for
2571 scalar shift operations and for vector shift operations with
2572 non-invariant shift arguments. Use scalar tree operand op1 as
2573 a shift operand when vector shift insn pattern uses scalar shift
2575 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2577 2005-09-14 Olivier Hainque <hainque@adacore.com>
2579 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2580 value if it has side-effects.
2582 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2585 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2587 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2589 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2590 passed as NAME as if it were label at start of function code.
2592 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2594 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2597 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2599 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2600 as early clobber. Rewrite so the PIC register is not implicitly used.
2602 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2604 * tree.c (annotate_with_file_line): Compare line numbers before
2607 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2610 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2611 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2613 2005-09-13 Ian Lance Taylor <ian@airs.com>
2615 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2616 than a HOST_WIDEST_INT to gen_doloop_begin.
2618 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2620 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2622 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2624 PR tree-optimize/23817
2625 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2627 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2630 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2631 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2632 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2633 (restore_stack_nonlocal): Likewise.
2634 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2636 2005-09-12 Ian Lance Taylor <ian@airs.com>
2639 * c.opt (ffriend-injection): New C++ option.
2640 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2641 (C++ Dialect Options): Document -ffriend-injection.
2643 2005-09-12 Josh Conner <jconner@apple.com>
2646 * ipa-reference.c (static_execute): Don't mark variables in
2647 named sections TREE_READONLY.
2649 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2651 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2654 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2656 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2657 V_MUST_DEF instead of just the first_use_p.
2658 Don't mark the virtual variables for renaming on the statement which
2660 (pass_dse): Remove TODO_update_ssa.
2662 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
2665 * stor-layout.c (compute_record_mode): For records with a single
2666 field, actually check the field's mode size against the type size.
2668 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2669 registers for TARGET_SHMEDIA.
2670 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2671 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
2672 of GENERAL_REGS and FP_REGS.
2674 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
2676 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2678 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2680 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2681 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2682 are omitted. Exclude stack_tie insn too.
2684 2005-09-11 David Edelsohn <edelsohn@gnu.org>
2686 PR rtl-optimization/23098
2687 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2689 * config/rs6000/rs6000.md (movdf splitter): Use
2690 const_double_operand predicate for TARGET_POWERPC64.
2691 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2692 SYMBOL_REF method to ABI_V4.
2694 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2695 replace_equiv_address.
2696 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2697 rs6000_sr_alias_set and MEM_NOTRAP.
2698 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2700 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
2702 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2703 handle CALL_EXPR again.
2705 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
2707 * arm/predicates.md (alignable_memory_operand): Delete.
2709 2005-09-10 Richard Henderson <rth@redhat.com>
2712 * dbxout.c (dbxout_expand_expr): New.
2713 (dbxout_symbol): Use it.
2715 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
2717 * arm.c (arm_gen_rotated_half_load): Delete.
2718 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2719 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2720 (thumb_set_return_address): Likewise.
2721 (thumb_load_double_from_address): Use adjust_address.
2722 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2723 (extendhsisi2_mem, movhi_bytes): Use change_address.
2724 (movhi): Use widen_memory_access.
2725 (reload_out_df): Use replace_equiv_address.
2726 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2728 2005-09-09 Richard Henderson <rth@redhat.com>
2731 * dbxout.c: Include expr.h.
2732 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2733 (dbxout_symbol): Handle DECL_VALUE_EXPR.
2734 * Makefile.in (dbxout.o): Add EXPR_H.
2736 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
2738 PR tree-optimization/23509
2739 * tree-cfg.c (replace_uses_by): Use replace_exp.
2740 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2741 pointers have name_mem_tag or type_mem_tag set.
2743 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2745 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2746 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2747 of wrongly accessing operands.
2749 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2751 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2752 * tree-chrec.c: Include tree-scalar-evolution.h.
2753 (chrec_convert): Instantiate the base and step before calling
2754 scev_probably_wraps_p that would fail on parametric evolutions.
2755 Collect all the fails into a single section failed_to_convert,
2756 print a diagnostic, and return chrec_dont_know instead of calling
2758 * tree-scalar-evolution.c (loop_closed_phi_def): New.
2759 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2761 (scev_const_prop): Don't replace the definition of a loop closed ssa
2762 phi node by itself, or by another loop closed ssa phi node.
2763 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2764 that base and step are defined.
2766 2005-09-09 Richard Guenther <rguenther@suse.de>
2769 * fold-const.c (fold_ternary): Check truth_value_p before
2770 calling invert_truthvalue.
2772 2005-09-09 Nick Clifton <nickc@redhat.com>
2774 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2775 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2776 dimension of these arrays.
2777 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2779 * longlong.h: Only provide a prototype for the __clz_tab[] array
2780 if this header has not been included from libgcc2.h.
2781 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2783 Provide prototypes for exported functions.
2784 Use the __clz_tab[] and __popcount_tab[] arrays provided by
2787 2005-09-08 Josh Conner <jconner@apple.com>
2791 * expr.c (expand_expr_addr_expr_1): Don't invoke
2792 expand_simple_binop for EXPAND_INITIALIZER.
2794 2005-09-08 Richard Henderson <rth@redhat.com>
2797 * toplev.c (wrapup_global_declaration_1): Split out ...
2798 (wrapup_global_declaration_2): ... from ...
2799 (wrapup_global_declarations): ... here. Return bool.
2800 (check_global_declaration_1): Split out ...
2801 (check_global_declarations): from here.
2802 (emit_debug_global_declarations): New.
2803 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2804 check_global_declaration_1, emit_debug_global_declarations): Declare.
2805 * c-decl.c (c_write_global_declarations_1): Don't create a vector
2806 of decls. Call wrapup_global_declaration_1,
2807 wrapup_global_declaration_2, check_global_declaration_1 directly.
2808 (c_write_global_declarations_2): New.
2810 (c_write_global_declarations): Call c_write_global_declarations_2.
2811 * langhooks.c (write_global_declarations): Call
2812 emit_debug_global_declarations.
2814 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2815 remove decls that have DECL_RTL_SET_P.
2816 * passes.c (rest_of_decl_compilation): Invoke
2817 cgraph_varpool_finalize_decl for all but functions.
2819 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2821 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2822 the result of a conversion if the new min and max cannot be compared.
2824 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
2826 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2827 (override_options): Setting s390_sr_alias_set removed.
2828 (save_fpr, save_gprs): Set alias set to vararg or frame.
2829 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2830 s390_sr_alias_set with get_frame_alias_set ().
2831 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2832 get_varargs_alias_set ().
2834 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2838 * c-parser.c (c_parser_objc_method_definition): If the next
2839 token is not "{", error out and don't start the function.
2841 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2843 * tree-vrp.c (extract_range_from_expr): Move the check for non
2844 nullness after the check for gimple invariant.
2846 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2848 * tree.c (host_integerp, tree_low_cst): Correct function comment.
2850 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2853 * config/m32r.md (movmemsi_internal): Canonicalize order of
2854 operands in PLUS component of template.
2856 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
2858 * reload1.c (fixup_eh_region_note): Remove assertion.
2859 (fixup_abnormal_edges): Reverted removal of call to
2860 find_many_sub_basic_blocks made on 2005-08-31.
2862 2005-09-07 Richard Henderson <rth@redhat.com>
2864 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2865 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2866 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2867 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2868 rearrange for better packing.
2869 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2870 (lookup_cfa_1): Remove inline marker.
2871 (cfa_equal_p): Split out of ...
2872 (def_cfa_1): ... here. Use INVALID_REGNUM.
2873 (build_cfa_loc): Handle !cfa->indirect.
2874 (frame_pointer_cfa_offset): New.
2875 (dbx_reg_number): Assert register elimination performed; do
2876 leaf register remapping.
2877 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2878 (eliminate_reg_to_offset): New.
2879 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
2880 for verifiably local stack frame addresses; re-base to CFA.
2881 (mem_loc_descriptor): Remove can_use_fbreg argument.
2882 (concat_loc_descriptor, loc_descriptor): Likewise.
2883 (containing_function_has_frame_base): Remove.
2884 (rtl_for_decl_location): Don't do register elimination or
2885 leaf register remapping here.
2886 (secname_for_decl): Split out from ..
2887 (add_location_or_const_value_attribute): ... here.
2888 (convert_cfa_to_loc_list): New.
2889 (compute_frame_pointer_to_cfa_displacement): New.
2890 (gen_subprogram_die): Use them.
2891 * tree.h (frame_base_decl): Remove.
2892 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2893 (prologue_stack_adjust): Remove.
2894 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2895 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2896 (set_frame_base_location): Remove.
2897 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2898 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2899 (vt_add_function_parameters): Don't eliminate_regs.
2900 (vt_initialize): Don't create frame_base_decl.
2902 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2904 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2905 version of GNU binutils for 4.x and later.
2907 2005-09-06 Mark Mitchell <mark@codesourcery.com>
2909 * ggc-page.c (ggc_push_context): Remove.
2910 (ggc_pop_context): Likewise.
2911 * ggc.h (ggc_push_context): Remove.
2912 (ggc_pop_context): Likewise.
2914 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2917 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2918 returning from an interrupt handler.
2920 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2923 * config/arc/arc.c (output_shift): Add check for loop count when
2926 2005-09-06 Steven Bosscher <stevenb@suse.de>
2928 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2930 (abs_replacement): Likewise.
2931 (pass_phiopt): Remove TODO_update_ssa.
2933 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2936 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2937 if "return with no value, in function returning non-void" warning
2939 * tree-cfg.c (execute_warn_function_return): Don't look at
2940 RETURN_EXPRs with TREE_NO_WARNING set.
2943 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2944 for internal functions doesn't use registers used by global registers
2945 variables. Use fewer register parameters if there are global register
2948 2005-09-06 Olivier Hainque <hainque@adacore.com>
2949 Eric Botcazou <ebotcazou@adacore.com>
2952 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2953 when we would be extracting outside its bit span (bitpos+bitsize
2954 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2955 Ada unchecked conversions.
2957 2005-09-06 Steven Bosscher <stevenb@suse.de>
2959 * tree-ssa-pre.c (try_look_through_load): New function.
2960 (compute_avail): Use it to try to look through loads for some
2961 more useful expressions.
2963 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2965 * simplify-rtx.c (simplify_binary_operation_1): Correct the
2966 condition for detecting cases like (a&a) and (a^a).
2968 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
2970 * common.opt: Add option ftree-vect-loop-version.
2971 * params.def: Add --param vect-max-version-checks.
2972 * doc/invoke.texi: Document ftree-vect-loop-version and
2973 --param vect-max-version-checks.
2974 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2975 may_misalign_stmts and defines for accessors.
2976 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2977 LOOP_VINFO_MAY_MISALIGN_STMTS.
2978 (destroy_loop_vec_info): VEC_free for
2979 LOOP_VINFO_MAY_MISALIGN_STMTS.
2980 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2981 Update documentation.
2982 (vect_update_misalignment_for_peel): New.
2983 (vect_enhance_data_refs_alignment): Update to choose loop
2984 peeling or loop versioning if appropriate for the (potentially)
2985 unaligned data references in the loop.
2986 (vect_analyze_data_refs_alignment): Remove call to
2987 vect_enhance_data_refs_alignment so the checks can be done
2989 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2990 and move up call to vect_analyze_data_refs_alignment.
2991 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2992 (vect_transform_loop): Add call to loop_version.
2994 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2996 PR rtl-optimization/23098
2997 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2998 * simplify-rtx.c (constant_pool_reference_p): New function.
2999 * rtl.h (constant_pool_reference_p): New prototype.
3000 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3001 constant_pool_reference_p in condition and
3002 avoid_constant_pool_reference in preparation statements.
3004 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3006 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3007 STRICT_LOW_PART SETs.
3009 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3012 * except.c (sjlj_emit_function_enter): Find the function begin
3013 note even when it's not in first basic block.
3015 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3017 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3018 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3019 * aclocal.m4: Regenerate.
3021 2005-09-05 DJ Delorie <dj@redhat.com>
3023 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3026 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3028 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3029 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3030 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3031 Follow spelling conventions.
3032 * doc/invoke.texi: Follow spelling conventions.
3034 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3036 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3037 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3038 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3040 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3043 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3044 (output_stack_adjust): Use gen_tmp_stack_mem.
3045 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3046 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3047 (sh_get_pr_initial_val): Likewise.
3048 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3049 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3050 * sh.md (divsi_inv_m0): Use gen_const_mem.
3051 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3052 (movdf_i4+1): Use gen_tmp_stack_mem.
3053 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3054 (fpu_switch+2): Likewise.
3055 (movv4sf_i, movv16sf_i): Use adjust_address.
3056 (symGOT_load): Set MEM_NOTRAP_P bit.
3058 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3061 * pa.c (emit_move_sequence): Fix typo in last change.
3063 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3065 PR rtl-optimization/23454
3066 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3069 2005-09-03 Richard Henderson <rth@redhat.com>
3070 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3073 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3076 2005-09-02 Nicolas Pitre <nico@cam.org>
3078 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3079 to bit_count to 32 bits.
3081 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3084 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3085 generating synthetic loads from volatile lvalues.
3087 005-09-02 Nick Clifton <nickc@redhat.com>
3089 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3090 __ctzhi2, __clzhi2): New functions.
3092 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3095 * tree-nested.c (struct var_map_elt): Mark with GTY.
3096 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3098 (lookup_field_for_decl): Allocate new element in GC memory.
3099 (lookup_tramp_for_decl): Likewise.
3100 (convert_nl_goto_reference): Likewise
3101 (create_nesting_tree): Allocate info in GC memory. Likewise for
3103 (free_nesting_tree): Free with ggc_free instead of free.
3104 (root): New static variable.
3105 (lower_nested_functions): Remove root as local variable. And zero out
3106 root at the end of the function.
3108 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3110 PR rtl-optimization/20365
3111 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3112 to short. New member ix.
3113 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3114 (simplify_plus_minus): Initialize ix members before calling qsort.
3116 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3118 PR tree-optimization/23626
3119 * tree-cfg.c (replace_uses_by): Clean up eh info.
3121 2005-09-01 DJ Delorie <dj@redhat.com>
3123 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3126 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3128 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3129 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3132 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3134 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3135 do not issue warning for a variable definition following
3138 2005-09-01 Richard Henderson <rth@redhat.com>
3141 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3142 conversion to CONST_VECTOR.
3144 2005-09-01 Richard Henderson <rth@redhat.com>
3147 * reload1.c (reload_as_needed): Check !CALL_P before calling
3148 fixup_eh_region_note.
3149 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3151 2005-09-01 DJ Delorie <dj@redhat.com>
3153 * varasm.c (output_constant): Let the target resolve
3154 conversions of addresses to non-default pointer sizes.
3156 2005-09-01 Nicolas Pitre <nico@cam.org>
3158 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3159 to alow matching ARM pre-indexed addressing mode.
3160 (arm_override_options): Remove now irrelevant comment.
3162 2005-09-01 Phil Edwards <phil@codesourcery.com>
3164 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3165 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3166 * config/i386/vxworks.h: Likewise.
3167 * config/i386/t-vxworksae: New file, for VxWorks AE.
3168 * config/i386/vxworksae.h: Likewise.
3170 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3172 PR tree-optimization/23410
3173 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3174 sequence is not wrapping during the first step.
3176 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3179 * dwarf2out.c (base_type_die): Compare char_type_node with
3180 TYPE_MAIN_VARIANT (type), not type.
3182 2005-09-01 Richard Guenther <rguenther@suse.de>
3184 PR tree-optimization/15366
3185 * common.opt: Add -finline-functions-called-once.
3186 Put -fearly-inlining in alphabetically ordered place.
3187 * doc/invoke.texi: Document new option.
3188 * ipa-inline.c (cgraph_decide_inlining): Honour
3189 flag_inline_functions_called_once.
3191 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3193 PR rtl-optimization/23478
3194 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3195 (alloc_qty): Initialize it.
3196 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3197 (combine_regs): Combine also n_throwing_calls_crossed fields.
3198 (find_free_reg): Don't attempt to caller-save pseudos crossing
3199 calls that might throw.
3200 * global.c (struct allocno): Add throwing_calls_crossed field.
3201 (global_alloc): Revert 2005-08-22 change. Initialize
3202 throwing_calls_crossed.
3203 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3206 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3209 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3210 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3211 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3212 (and64_2_operand): Tweak to use predicate.
3213 (and_operand): Adjust for mask_operand changes.
3214 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3215 (print_operand): Likewise.
3216 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3217 (mask64_1or2_operand): Delete.
3218 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3219 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3220 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3221 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3222 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3223 (rotldi3_internal4): Likewise.
3224 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3225 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3226 (ashldi3_internal7): Likewise.
3227 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3228 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3229 (anddi3 split): Don't match mask64_operand.
3230 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3231 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3232 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3233 't' splitter predicate.
3234 (movdi_internal64 + 2): Revert 2005-06-11 change.
3236 2005-08-31 DJ Delorie <dj@redhat.com>
3238 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3239 (m32c_asm_integer): Add support for 32 bit pointers.
3241 2005-08-31 Richard Henderson <rth@redhat.com>
3243 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3244 component-like references for setting MEM_NOTRAP_P.
3246 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3247 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3249 2005-08-31 Richard Henderson <rth@redhat.com>
3251 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3252 into a pseudo before applying gen_lowpart.
3254 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3256 * doc/install.texi (Specific): Update cctools version required
3257 for full functionality.
3258 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3259 linkers as -macosx_version_min.
3261 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3264 * sh.c (print_operand, %R and %S): Add handling of floating point
3265 registers, memory, constants and invalid operands.
3267 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3269 * ipa-pure-const.c: Change dump name.
3271 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3274 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3275 to "reg_or_0_operand".
3276 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3278 2005-08-31 Dale Johannesen <dalej@apple.com>
3280 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3281 loops that count down.
3283 2005-08-31 Richard Henderson <rth@redhat.com>
3286 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3287 (fixup_eh_region_note): New.
3288 (reload_as_needed): Call it.
3289 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3290 don't call find_many_sub_basic_blocks; call verify_flow_info.
3291 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3292 (keep_stack_depressed): Likewise.
3293 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3295 2005-08-31 Richard Henderson <rth@redhat.com>
3297 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3300 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3302 * expr.c (expand_expr_real_1): Compare size of address
3303 mode to target's address mode size in deciding expansion of
3304 the constant address.
3306 2005-08-31 Richard Guenther <rguenther@suse.de>
3309 * expr.c (all_zeros_p): New function.
3310 (expand_expr_real_1): Handle the case of an all-zero
3311 non-addressable constructor separately.
3313 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
3315 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3316 arguments, adjust all callers.
3317 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3319 2005-08-30 Richard Henderson <rth@redhat.com>
3322 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3323 whenever the mode sizes match.
3325 2005-08-31 Alan Modra <amodra@bigpond.net.au>
3327 * calls.c (load_register_parameters): Fix comment typo.
3328 * expr.c (emit_push_insn): Comment formatting.
3330 2005-08-30 Ian Lance Taylor <ian@airs.com>
3332 * config/i386/x-cygwin (host-cygwin): Change dependency from
3333 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3335 2005-08-29 Geoffrey Keating <geoffk@apple.com>
3337 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3340 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3343 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3344 call to ggc_collect.
3346 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3349 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3350 beginning. Remove $(INCLUDES) from all the rules, if following
3351 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3353 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3356 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3357 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3358 not constant, but maxlen is, don't set len to maxlen, rather
3359 set maxlen to len if len is a constant.
3361 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3363 PR tree-optimization/23475
3364 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3367 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3369 Fix PR middle-end/22455
3371 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3372 Checksum only the parts of the tree that exist for the tree code.
3374 2005-08-28 Dale Johannesen <dalej@apple.com>
3376 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3378 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3380 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3382 2005-08-28 Richard Henderson <rth@redhat.com>
3384 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3385 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3388 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3391 * builtins.c (get_memory_rtx): Don't strip nops
3392 in between COMPONENT_REFs.
3394 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3397 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3399 (gimplify_modify_expr): Check for zero sized types and gimplify the
3400 rhs and lhs as statements.
3402 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3405 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3406 state for return address column of signal frames.
3408 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3411 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3412 bytes >= 2 not bytes == 2.
3413 (expand_block_move): Same.
3415 2005-08-27 Richard Guenther <rguenther@suse.de>
3418 * config/i386/sse.md (sse2_movsd): Add missing closing
3421 2005-08-27 Paul Brook <paul@codesourcery.com>
3423 * genrecog.c (enum decision_type): Add DT_num_insns.
3424 (struct decision_test): Add u.num_insns.
3425 (add_to_sequence): Add DT_num_insns test.
3426 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3427 (write_cond, debug_decision_2): Ditto.
3428 (change_state): Assume peep2_next_insn never fails.
3429 Remove "afterward" argument.
3430 (write afterward, write_tree): Update to match.
3431 * recog.c (peep2_current_count): New variable.
3432 (peep2_next_insn): Check it.
3433 (peephole2_optimize): Set peep2_current_count.
3434 * recog.h (peep2_current_count): Declare.
3436 2005-08-26 Josh Conner <jconner@apple.com>
3439 * ipa-pure-const.c (check_tree): Check for volatile-ness
3440 when considering a dereference.
3442 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3444 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3446 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3448 PR rtl-optimization/23561
3449 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3450 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3451 at most LEN bytes long memory fits into the field.
3452 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3453 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3454 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3456 2005-08-26 Richard Henderson <rth@redhat.com>
3459 * loop.c (biased_biv_may_wrap_p): New.
3460 (maybe_eliminate_biv_1): Use it to suppress non-equality
3461 comparison transformations. Delete disabled code.
3463 2005-08-26 Ian Lance Taylor <ian@airs.com>
3465 * combine.c (make_extraction): Avoid reference outside object.
3467 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3469 * stor-layout.c (finalize_type_size): Restore behaviour for
3470 non-aggregate types to the status quo ante of the patch for
3471 pr 23467. Document why it matters.
3473 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3476 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3477 array by one element, initialize the BT_LAST element with NULL.
3479 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3481 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3482 optimizing for size.
3484 (compare_plus_eqsi): Same.
3485 (plus_eqsi_compare): Same.
3486 (neg_eq0<mode>): Same.
3487 (neg_eq<mode>): Same.
3489 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3492 2005-08-26 Nick Clifton <nickc@redhat.com>
3494 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3495 TARGET_EP is not defined.
3496 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3497 TARGET_EP is enabled.
3498 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3499 * config/v850/v850.md (save_all_interrupt): Only use the EP
3500 register if TARGET_EP is defined.
3501 (restore_all_interrupt): Likewise.
3502 * config/v850/lib1funcs.asm: Update functions so that the EP
3503 register is only used if __EP__ is defined.
3505 2005-08-26 David Ung <davidu@mips.com>
3507 * config/mips/mips.c (mips_expand_prologue): Handle case when
3508 generating for MIPS16 and the outgoing argument area is more than
3509 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3512 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3514 * config/crx/crx.md: Make doloop_end pattern usage controllable
3515 via mloop-nesting=<max-nesting> command line switch. Make sure
3516 the combiner cannot use doloop_end_<mode> in an illegal way.
3517 * config/crx/crx.c: Use regs up to r6 for argument passing.
3518 Refine crx_address_cost (non cst4 displacements are expensive).
3519 * config/crx/crx.opt: Add switch for mloop-nesting=.
3521 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3523 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3524 (UNSPEC_MVST): New constant.
3526 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3528 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3529 Reject operands containing eliminable registers.
3530 * testsuite/gcc.dg/20050825-1.c: New testcase.
3532 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3533 Jan Hubicka <jh@suse.cz>
3535 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3537 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3539 PR tree-optimization/23546
3540 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3543 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3545 * params.def (PARAM_MIN_SPEC_PROB): New.
3546 * sched-rgn.c (MIN_PROBABILITY): Delete.
3547 (compute_trg_info): Convert to PARAM_VALUE.
3548 * doc/invoke.texi (param): Document min-spec-prob.
3550 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3552 * config/darwin.h: define __PIC__
3553 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3554 TARGET_OS_CPP_BUILTINS macro.
3556 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3558 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3561 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3563 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3565 * cfghooks.c (duplicate_block): Added position where to place
3566 new block as argument.
3567 * cfghooks.h (duplicate_block): Declaration changed.
3568 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3570 * cfglayout.h (copy_bbs): Declaration changed.
3571 * cfgloop.h (loop_version): Declaration changed.
3572 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3573 position to copy_bbs.
3574 (loop_version): Pass position to duplicate_loop_to_header_edge.
3575 Add place_after argument and position new blocks according to
3577 * modulo-sched.c (sms_schedule): Pass place_after argument
3579 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3580 * tree-cfg.c (split_edge_bb_loc): New function.
3581 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3582 to determine position of new blocks.
3583 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3585 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3586 argument to duplicate_block.
3587 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3588 Pass position to copy_bbs.
3590 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3592 * fold-const.c (ptr_difference_const): Use
3593 cst_and_fits_in_hwi instead of host_integerp.
3595 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3597 * config/darwin.c (gen_pic_offset): New.
3598 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3601 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3603 PR tree-optimization/23486
3604 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3606 2005-08-23 Phil Edwards <phil@codesourcery.com>
3608 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3609 remove use_collect2.
3610 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3612 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3613 configuration files to override the default value.
3615 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3616 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3617 * config/vx-common.h: New file, split out from...
3618 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3619 * config/vxworksae.h: New file, for VxWorks AE.
3620 * config/vxworks.opt: New file.
3621 * config/vxlib.c: Update for VxWorks 6.
3623 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3624 other MULTILIB_* variables appropriately.
3625 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3626 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3627 * config/rs6000/vxworks.h: Update for VxWorks 6.
3628 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3630 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3633 * config/darwin.c (machopic_select_section): Remove the hack to
3634 mark "::operator new" and "::operator delete" for coalescing
3635 even though they are not weak.
3637 2005-08-24 Alan Modra <amodra@bigpond.net.au>
3639 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3640 * configure: Regenerate.
3642 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3645 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3647 * convert.c (convert_to_integer, convert_to_vector): Likewise.
3648 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3651 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3653 * config/rs6000/predicates.md (equality_operator): New.
3654 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3655 comparison with a large constant.
3657 2005-08-23 Mark Mitchell <mark@codesourcery.com>
3659 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3661 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
3663 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3664 registers is even, and we have a hardware double precision fp,
3666 (sh_gimplify_va_arg_expr): For floating point arguments, consider
3667 size of current argument when checking if argument was passed in
3670 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3673 * stor-layout.c (finalize_type_size): Dont override
3674 existing alignment with a smaller alignment from the mode.
3676 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3678 * lambda-code.c (lambda_vector_lexico_pos): Moved...
3679 * lambda.h (lambda_vector_lexico_pos): ... here.
3680 * tree-data-ref.c (build_classic_dist_vector): Return false when
3681 the distance vector is lexicographically negative.
3683 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3685 PR tree-optimization/23511
3686 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3687 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3689 2005-08-23 Jakub Jelinek <jakub@redhat.com>
3691 PR tree-optimization/22043
3692 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3693 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3694 If ALLOW_FLEXARR, handle types ending with flexible array member.
3695 Pass false as second argument to recursive count_type_elements calls.
3696 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3697 argument to count_type_elements call.
3698 * tree-sra.c (decide_block_copy): Likewise.
3699 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3700 for a constant-sized object, set cleared as well. Pass true as
3701 second argument to count_type_elements call.
3703 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3706 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3707 from legitimate_small_data_p, and make global. Update use.
3708 Remove forward declaration.
3709 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3711 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3713 2005-08-23 David Edelsohn <edelsohn@gnu.org>
3715 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3716 of scratch intermediates.
3717 (eq<mode>_compare): Same.
3718 (neg_eq0<mode>): New.
3719 (neg_eq<mode>): Convert to define_insn_and_split.
3721 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3724 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3725 stdarg functions, set/clear the fp marker even when no variable
3727 * config/rs6000/sysv4.opt (mprototype): Describe.
3729 2005-08-22 Jakub Jelinek <jakub@redhat.com>
3731 PR rtl-optimization/23478
3732 * regs.h (reg_info): Add throw_calls_crossed.
3733 (REG_N_THROWING_CALLS_CROSSED): Define.
3734 * flow.c (allocate_reg_life_data): Initialize
3735 REG_N_THROWING_CALLS_CROSSED.
3736 (propagate_one_insn, attempt_auto_inc): Update
3737 REG_N_THROWING_CALLS_CROSSED.
3738 * global.c (global_alloc): Don't allocate pseudos across
3739 calls that may throw.
3741 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
3744 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3745 value is inbetween the range if we did not find an exact match.
3747 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
3749 * doc/invoke.texi (Option Summary): Add ms1 options.
3750 * doc/extend.texi: Document interrupt handler attribute for ms1.
3751 * doc/md.texi: Document ms1 constraints.
3752 * config.gcc: Add ms1-*-elf.
3753 * config/ms1/ms1.h: New.
3754 * config/ms1/ms1.c: New.
3755 * config/ms1/ms1.md: New.
3756 * config/ms1/ms1-protos.h: New.
3757 * config/ms1/ABI.txt: New.
3758 * config/ms1/crti.asm: New.
3759 * config/ms1/crtn.asm: New.
3760 * config/ms1/lib2extra-funcs.c: New.
3761 * config/ms1/t-ms1: New.
3762 * config/ms1/ms1.opt: New.
3764 2005-08-22 Ira Rosen <irar@il.ibm.com>
3766 * config/rs6000/altivec.md (xorv4sf3): New.
3767 (negv4sf2, neg<mode>2): Likewise.
3769 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
3772 * config/ia64/ia64.md (divsi3): Check divide by zero.
3773 (udivsi3): Likewise.
3775 (udivdi3): Likewise.
3777 2005-08-21 Jakub Jelinek <jakub@redhat.com>
3779 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3780 up to elem_bitsize bits, not max_bitsize.
3782 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3784 PR tree-optimization/23433
3785 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3786 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3788 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3790 PR tree-optimization/23434
3791 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3792 the iteration bound is not an INTEGER_CST.
3794 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
3796 * tree-vect-transform.c (get_initial_def_for_reduction): Set
3797 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3798 NULL if need_epilog_adjust is false.
3799 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3800 Case 3 always peels first itration, not just for PLUS case, and no need
3801 to use scalar_initial_def here. Create an epilog adjustment only if
3802 scalar_initial_def is not NULL.
3804 (vectorizable_reduction): Remove assert.
3806 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
3809 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3810 (__moddi3): Likewise.
3811 (__udivdi3): Likewise.
3812 (__umoddi3): Likewise.
3813 (__divsi3): Likewise.
3814 (__modsi3): Likewise.
3815 (__udivsi3): Likewise.
3816 (__umodsi3): Likewise.
3818 2005-08-20 Jakub Jelinek <jakub@redhat.com>
3820 * tree-pass.h (TDF_GRAPH): Define.
3821 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3822 * passes.c (finish_optimization_passes): Only call
3823 finish_graph_dump_file if TDF_GRAPH is set.
3824 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3825 NULL. Set TDF_GRAPH bit.
3826 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3828 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
3830 * arm.h (arm_stack_offsets): Add locals_base field.
3831 * arm.c (arm_get_frame_offsets): Compute it.
3832 (thumb_compute_initial_elimination offset): Make the Thumb frame
3833 pointer point to the base of the local variables.
3834 (thumb_expand_prologue): Update accordingly.
3835 (thumb_expand_epilogue): Likewise.
3837 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
3838 mode of clobbered scratch to DImode. Handle a case that's known to
3841 2005-08-19 David Edelsohn <edelsohn@gnu.org>
3843 * config/rs6000/rs6000.md (gt0<mode>): Delete.
3844 (gt0<mode>_compare): Delete.
3845 (neg_gt0<mode>): Delete.
3847 2005-08-19 Eric Christopher <echristo@apple.com>
3849 * optabs.h: Change CTI_ to COI_.
3852 2005-08-19 James E Wilson <wilson@specifix.com>
3854 * builtins.c (expand_builtin_return_addr): Set
3855 current_function_accesses_prior_frames when count != 0. Use
3856 frame_pointer_rtx when count == 0.
3857 * function.h (struct function): Add accesses_prior_frames field.
3858 (current_function_accesses_prior_frames): Define.
3859 * reload1.c (init_elim_table): Check
3860 current_function_accesses_prior_frames.
3861 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3863 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3865 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3866 indicator. Return true if the flowgraph changed during
3869 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3872 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3873 conditional expression before testing its value.
3875 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3877 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3879 2005-08-19 Devang Patel <dpatel@apple.com>
3881 PR tree-optimization/23048
3882 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3883 third parameter. Check whether latch is dominated by exit
3885 (if_convertible_loop_p): Supply exit block itself to
3886 if_convertible_bb_p.
3888 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3891 * arm.md (arm_load_pic_register): Change argument to the mask of
3892 saved registers. Call thumb_find_work_register if we need a
3893 scratch register on Thumb.
3894 (arm_expand_prologue): Pass empty register set to
3895 arm_load_pic_register.
3896 (thumb_expand_prologue): Pass live_regs_mask directly to
3897 arm_load_pic_register.
3898 * arm-protos.h (arm_load_pic_register): Update prototype.
3900 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
3902 * sh.c (find_sole_member): New function.
3903 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3904 if the record's alignment is larger than the size of its only member.
3906 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3909 * arm.c (thumb_legitimize_reload_address): New function.
3910 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3911 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3913 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
3915 * config/crx/crx.c: Implement crx_decompose_address. Reject
3916 symbolic displacements since CRX register relative adressing
3917 mode can't handle unsigned 32-bit values as displacements.
3918 * config/crx/crx.h: Simplify definitions, remove redundant
3919 parenthesis and obsolete macros.
3920 * config/crx/crx.opt: Add new switch for debugging addresses.
3921 * config/crx/crx-protos.h: Add new declarations for above.
3923 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
3926 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3929 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3931 * collect2.c (dup2): Delete.
3932 * configure.ac: Don't check for dup2.
3934 * config.in, configure: Regenerate.
3936 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
3938 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3939 record with the type of its only member.
3941 2005-08-18 David Edelsohn <edelsohn@gnu.org>
3943 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3944 define_insn_and_split.
3945 (plus_ltu<mode>_compare): Same.
3946 (gtu<mode>_compare): Same.
3947 (plus_gtu<mode>_compare): Same.
3949 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
3951 PR tree-optimization/22228
3952 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3954 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3955 are recorded in vect_vnames_to_rename for renaming.
3956 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3957 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3958 in vect_vnames_to_rename.
3959 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3960 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3962 2005-08-18 Jan Hubicka <jh@suse.cz>
3965 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3966 info only for local statics, not for member variables.
3968 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3970 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3972 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3974 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3976 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
3979 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3981 2005-08-17 James E Wilson <wilson@specifix.com>
3983 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3986 2005-08-17 David Edelsohn <edelsohn@gnu.org>
3988 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3989 (leu<mode>_compare): Same.
3990 (plus_leu<mode>): Same.
3991 (neg_leu<mode>): Same.
3992 (and_neg_leu<mode): Same.
3993 (ltu<mode>_compare): Same.
3994 (plus_ltu<mode>): Same.
3996 (geu<mode>_compare): Same.
3997 (plus_geu<mode>): Same.
3998 (neg_geu<mode>): Same.
3999 (and_neg_geu<mode>): Same.
4000 (plus_gt<mode>): Same.
4001 (gtu<mode>_compare): Same.
4002 (plus_gtu<mode>): Same.
4004 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4006 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4007 Move call_table_data to end. Delete spurious .text.
4008 (callt_save_all_interrupt): Fix comment typo.
4010 2005-08-17 James E Wilson <wilson@specifix.com>
4011 Kevin Winchester <winchester@amirix.com>
4014 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4016 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4019 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4020 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4022 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4024 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4025 record with the type of its only member if the modes don't match.
4027 * varasm.c (decode_reg_name): Skip empty additional register names.
4029 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4031 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4032 lsm_tmp_name_length): New.
4033 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4034 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4036 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4037 Andreas Krebbel <krebbel1@de.ibm.com>
4039 * config.gcc: Added z9-109 switch.
4040 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4041 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4042 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4043 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4044 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4045 for "z9_109" cpu attribute.
4046 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4047 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4048 (s390_handle_arch_option): Added z9-109 switch.
4049 (override_options): Set respective cost function for z9-109.
4050 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4051 (legitimate_reload_constant_p): Accept extended immediates.
4052 (print_operand): Three new output modifiers added: k, m and o.
4053 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4054 (s390_output_mi_thunk): Use extended immediate when possible.
4055 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4056 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4057 (CONSTRAINT_LEN): Added length of O constraint.
4058 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4059 * config/s390/s390.md ("cpu"): New value z9_109 added.
4060 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4061 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4062 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4063 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4064 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4065 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4066 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4067 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4068 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4069 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4070 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4071 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4072 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4073 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4074 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4076 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4077 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4078 insns for TARGET_EXTIMM.
4080 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4082 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4084 2005-08-17 Nick Clifton <nickc@redhat.com>
4086 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4087 Call default_encode_section_info.
4089 2005-08-17 Steven Bosscher <stevenb@suse.de>
4091 PR tree-optimization/21574
4092 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4093 constant, return CONSTANT.
4094 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4095 (ccp_fold, visit_assignment): Likewise.
4096 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4098 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4100 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4101 fold_buildN instead of buildN then fold_initializer or fold.
4102 (build_unary_op): Likewise.
4103 (build_binary_op): Likewise.
4104 * fold-const.c (fold_initializer): Remove.
4105 (fold_build1_initializer): New function.
4106 (fold_build2_initializer): New function.
4107 (fold_build3_initializer): New function.
4108 * tree.h (fold_initializer): Remove.
4109 (fold_build1_initializer): New function.
4110 (fold_build2_initializer): New function.
4111 (fold_build3_initializer): New function.
4113 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4115 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4116 (try_move_mult_to_index): Call fold_build2 instead of build2.
4117 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4118 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4119 fold_binary_to_constant.
4120 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4122 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4123 check if A == gcd (A, B). Remove TYPE argument.
4124 (analyze_offset) Use fold_build2 instead of fold (build.
4125 (create_data_ref): Likewise.
4126 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4127 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4130 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4132 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4133 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4135 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4138 * gimplify.c (zero_sized_type): New function.
4139 (gimplify_modify_expr_rhs): If we have a zero sized type,
4140 replace the statement with an empty statement.
4142 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4144 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4147 2005-08-16 Ian Lance Taylor <ian@airs.com>
4149 * doc/tm.texi (Label Output): Correct typo.
4151 2005-08-16 Steven Bosscher <stevenb@suse.de>
4154 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4155 force_operand will work later on using have_insn_for.
4157 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4159 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4161 2005-08-16 Ian Lance Taylor <ian@airs.com>
4164 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4165 vector type, don't try to construct it element by element. Add an
4166 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4168 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4170 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4172 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4174 * doc/invoke.texi (Precompiled Headers): Document some more options
4175 which are known to be safe.
4177 2005-08-16 James E Wilson <wilson@specifix.com>
4179 PR tree-optimization/21105
4180 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4181 TREE_OVERFLOW check.
4183 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4185 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4186 (neg_ltu<mode>): Same.
4188 (neg_gtu<mode>): Same.
4190 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4192 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4193 (fold_builtin_isdigit): Use fold_buildN.
4194 (build_function_call_expr): Likewise.
4195 * c-typeck.c (c_finish_loop): Likewise.
4197 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4198 Richard Shann <rshann@superh.com>
4200 PR middle-end/20396:
4201 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4203 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4205 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4207 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4210 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4211 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4214 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4217 * fold-const.c (build_range_check): Disable optimization for function
4218 pointer expressions on targets that require function pointer
4221 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4223 * simplify-rtx.c (simplify_const_relational_operation): When
4224 extracting arguments of a COMPARE, recompute the mode as well.
4226 2005-08-15 Ian Lance Taylor <ian@airs.com>
4228 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4230 2005-08-15 DJ Delorie <dj@redhat.com>
4232 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4234 (movsi_splittable): Allow, but split, moves to the stack.
4235 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4238 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4240 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4241 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4242 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4244 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4245 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4246 Delete HOST_PTR_PRINTF.
4248 * configure, config.in: Regenerate.
4250 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4252 * config/rs6000/rs6000.md (QHSI): New mode macro.
4253 (wd): Extend mode attr for QImode and HImode
4254 (dbits): New mode attr.
4255 (zero_extend<mode>di2): Convert to mode macro.
4257 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4260 * doc/invoke.texi (-mgnu-ld): Update description.
4263 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4266 * Makefile.in (tree-chrec.o): Depends on real.h.
4267 * tree-chrec.c: Include real.h.
4268 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4269 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4270 * tree-scalar-evolution.c (add_to_evolution_1,
4271 interpret_rhs_modify_expr): Ditto.
4273 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4276 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4277 step is negative compute the estimation from init downwards to zero.
4279 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4281 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4283 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4285 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4287 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4288 Accept double-word constants that can be split.
4289 * config/s390/s390.md ("movti"): Use 'P' constraint.
4290 ("*movdi_31", "*movdf_31"): Likewise.
4292 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4294 Fix PR tree-optimization/22615
4296 * tree-ssa-structalias.c (solution_set_add): Handle
4297 first_vi_for_offset returning NULL.
4298 (do_da_constraint): Ditto.
4299 (do_sd_constraint): Ditto.
4300 (do_ds_constraint): Ditto
4301 (find_func_aliases): Ditto.
4302 (build_constraint_graph): RHS is allowed be ANYTHING.
4303 (first_vi_for_offset): Return NULL if we couldn't find anything at
4306 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4308 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4309 over memory as first operand.
4311 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
4314 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4315 available for setting it.
4317 2005-08-14 Ira Rosen <irar@il.ibm.com>
4319 PR tree-optimization/23320
4320 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4321 data-refs' types instead of base object nullness. Add check for
4322 pointer type data-refs before first location comparison. Remove
4325 2005-08-14 Andreas Schwab <schwab@suse.de>
4327 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4329 2005-08-13 James E Wilson <wilson@specifix.com>
4331 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4332 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4333 -fstack-protector-all, --param ssp-buffer-size): Document.
4334 (-Wvariadic-macros): Alphabetize.
4335 (-fsched-stalled-insns-dep): Add missing 'f'.
4337 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4340 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4342 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4343 or indirect address operand.
4344 (EXTRA_ADDRESS_CONSTRAINT): New.
4345 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4347 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4349 PR tree-optimization/22236
4350 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4351 successors and predecessors.
4352 * tree-chrec.c (chrec_convert): Before converting, check that
4353 sequences don't wrap.
4354 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4355 (analyze_array): Extern.
4356 (find_data_references_in_loop): Remove call to
4357 compute_estimated_nb_iterations.
4358 * tree-data-ref.h (analyze_array): Declared.
4359 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4360 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4361 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4362 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4364 * tree-ssa-loop-ivcanon.c: Fix documentation.
4365 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4366 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4367 (infer_loop_bounds_from_undefined): New.
4368 (estimate_numbers_of_iterations_loop): Use
4369 infer_loop_bounds_from_undefined.
4370 (used_in_pointer_arithmetic_p): New.
4371 (scev_probably_wraps_p): Pass an extra parameter. Call
4372 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4373 (convert_step): Fix documentation.
4374 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4375 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4376 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4377 scev_probably_wraps_p.
4379 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4381 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4382 (s390_register_info): Ignore clobbered_regs information for fixed
4383 registers, and only fixed registers.
4384 (s390_init_frame_layout): Remove redundant call.
4386 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4388 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4389 description of -Wold-style-casts.
4391 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4392 Jakub Jelinek <jakub@redhat.com>
4394 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4395 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4396 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4397 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4398 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4399 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4400 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4401 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4402 ("stack_protect_set", "stack_protect_test"): New expanders.
4403 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4404 "stack_protect_testdi"): New insn definitions.
4406 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4408 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4410 2005-08-12 Paul Brook <paul@codesourcery.com>
4412 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4414 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4416 * config/s390/predicates.md (setmem_operand): New predicate.
4417 (shift_count_operand): Accept ANDs with special constants as
4419 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4420 with special constants.
4421 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4422 shift_count_operand with setmem_operand.
4424 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4426 * config/s390/s390.c (s390_extract_part, s390_single_part):
4428 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4429 (s390_output_mi_thunk): Don't use lg on 31 bit.
4430 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4431 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4433 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4435 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4436 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4437 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4438 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4439 with one of the new macros.
4441 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4443 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4444 Don't set save_return_addr_p.
4445 (s390_register_info): Make clobbered_regs not depending on
4448 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4450 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4451 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4453 2005-08-11 James E. Wilson <wilson@specifix.com>
4455 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4457 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4459 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4460 locations gathered by var-tracking in single entry loc_list
4461 over loc_descriptor_from_tree.
4463 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4464 pass it down to loc_descriptor.
4465 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4466 (containing_function_has_frame_base): Move earlier in the file.
4467 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4468 instead of always assuming fbreg can't be used.
4470 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4472 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4473 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4474 Accept address wrapped in AND for Altivec.
4475 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4476 Strip AND wrapping offset address for Altivec.
4478 2005-08-11 Richard Henderson <rth@redhat.com>
4481 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4482 before using TYPE_IS_SIZETYPE.
4484 2005-08-11 Richard Henderson <rth@redhat.com>
4487 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4488 insn types not present on ev4.
4489 (alphaev5_insn_pipe): Similarly.
4491 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4494 * arm.c (arm_override_options): If the user has selected callee-super-
4495 interworking, then enable normal interworking.
4497 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4499 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4502 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4504 * doc/rtl.texi: Fix two typos.
4506 2005-08-11 Richard Guenther <rguenther@suse.de>
4509 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4510 cases where we call to/from functions returning void.
4512 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4515 * tree.c (build_pointer_type_for_mode): Robustify.
4517 2005-08-10 James E Wilson <wilson@specifix.com>
4519 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4520 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4522 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4525 2005-08-10 Eric Christopher <echristo@apple.com>
4527 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4528 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4531 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4534 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4535 for the high part when generating dynamic-no-pic code.
4537 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4539 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4540 (x86_64-*-linux*): Likewise.
4542 * config/i386/crtfastmath.c: New file.
4543 * config/i386/t-crtfm: Likewise.
4545 * config/i386/linux.h (ENDFILE_SPEC): New.
4546 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4548 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4551 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4553 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4554 (vec_shl, vec_shr): Document new operations.
4555 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4557 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4559 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4560 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4561 change predicate to indexed_or_indirect_address.
4563 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4565 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4566 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4567 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4568 and __aeabi_uwrite8.
4569 * config/arm/unaligned-funcs.c: New file.
4570 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4572 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4574 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4576 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4577 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4579 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4580 * final.c (pass_shorten_branches): Add dump.
4581 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4582 (pass_life): Rename dump.
4583 (rest_of_handle_flow2): Remove initial verify_flow_info.
4584 * function.c (pass_instantiate_virtual_regs): Add dump.
4585 * integrate.c (pass_initial_value_sets): Add dump.
4586 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4587 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4588 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4589 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4590 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4591 gate_rtl_unrool_and_peel_loops): New.
4592 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4593 rtl_doloop): Do not look at flags.
4594 * mode-switching.c (pass_mode_switching): Add dump.
4595 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4596 pass_split_before_regstack): Add dump.
4597 * regmove.c (pass_stack_adjustments): Add dump.
4598 * tree-optimize.c (pass_fixup_cfg): Add dump.
4600 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4603 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4604 deciding which instruction sequence to use.
4606 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4608 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4609 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4611 2005-08-09 Richard Guenther <rguenther@suse.de>
4613 * c-common.c (builtin_function_2): Remove.
4614 (def_builtin_1): New function.
4615 (c_common_nodes_and_builtins): Use def_builtin_1 to
4616 build builtin functions.
4618 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4620 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4621 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4622 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4625 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4627 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4628 fold_binary instead of fold_build2 since we don't care about the
4630 (loop_niter_by_eval): Likewise.
4631 (compare_trees): Likewise.
4632 (proved_non_wrapping_p): Likewise.
4634 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4638 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4639 if the if is really empty.
4641 2005-08-09 Steven Bosscher <stevenb@suse.de>
4643 PR tree-optimization/23234
4644 * tree-ssa-math-opts.c (place_reciprocal): New enum.
4645 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4646 argument of the new enum.
4647 (execute_cse_reciprocals): Add reciprocals for function arguments
4648 on the unique successor edge of the entry block. Update other calls
4649 to execute_cse_reciprocals_1.
4651 2005-08-08 Richard Henderson <rth@redhat.com>
4654 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4656 2005-08-08 Bob Wilson <bob.wilson@acm.org>
4658 * expr.c (write_complex_part): Return after handling MEM.
4660 2005-08-08 Josh Conner <jconner@apple.com>
4662 PR rtl-optimization/23241
4663 * combine.c (simplify_comparison): Fix error in determining
4664 whether to lift a subreg from comparison.
4666 2005-08-08 David Edelsohn <edelsohn@gnu.org>
4669 * config/rs6000/altivec.md (vec_init<mode>): New.
4670 (vec_set<mode>): New.
4671 (vec_extract<mode>): New.
4672 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4673 (rs6000_expand_vector_set): New.
4674 (rs6000_expand_vector_extract): New.
4675 (rs6000_legitimate_offset_address_p): Offset addresses are valid
4676 for Altivec modes before reload.
4677 (altivec_expand_vec_init_builtin): New.
4678 (get_element_number): New.
4679 (altivec_expand_vec_set_builtin): New.
4680 (altivec_expand_vec_ext_builtin): New.
4681 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4683 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4685 * config/rs6000/rs6000.h (rs6000_builtins): Add
4686 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4687 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4688 * config/rs6000/rs6000-protos.h: Declare new functions.
4690 2005-08-08 Jan Hubicka <jh@suse.cz>
4692 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4693 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4694 * i386.md (movdi*): Use pic_32bit_operand.
4695 * predicates.md (pic_32bit_operand): New.
4697 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
4700 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4702 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
4704 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4705 (test_for_singularity): Use fold_build2.
4707 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4709 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4711 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
4713 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4714 (COMMON_ASM_OP) Define.
4715 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4716 (ix86_encode_section_info): Likewise.
4717 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4718 SUBTARGET_ENCODE_SECTION_INFO.
4720 2005-08-06 Richard Henderson <rth@redhat.com>
4723 * tree-nested.c (convert_local_reference): Save and restore val_only
4724 around component_ref and friends. Clear walk_subtrees by default.
4726 2005-08-06 Peter O'Gorman <peter@pogma.com>
4729 * gcc.c (process_command): Check the argument to -b has a dash.
4730 * doc/invoke.texi: Update -b and -V docs.
4732 2005-08-06 James E Wilson <wilson@specifix.com>
4734 * config/mips/cross64.h, config/mips/t-cross64: Delete.
4736 2005-08-06 Michael Matz <matz@suse.de>
4738 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4739 member only if only one insn is associated with the value.
4741 2005-08-06 Nick Clifton <nickc@redhat.com>
4743 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4745 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4746 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4747 Check symbol flags instead of symbol name mangling.
4748 (xstormy16_asm_output_aligned_common): Likewise. Also
4749 simplify code since the bss100_section cass is the only case
4750 where the below100 code will be triggered.
4751 (xstormy16_encode_section_info): Encode below100 attribute
4752 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4754 (xstormy16_strip_name_encoding): Delete - this function is no
4756 (TARGET_STRIP_NAME_ENCODING): Undefine.
4757 * config/stormy16/stormy16-protos.h: Delete prototype for
4758 xstormy16_strip_name_encoding.
4760 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
4762 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4763 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4764 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4765 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4766 config/alpha/predicates.md, config/arc/arc.h,
4767 config/arm/arm.h, config/arm/ieee754-df.S,
4768 config/arm/ieee754-sf.S, config/bfin/bfin.c,
4769 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4770 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4771 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4772 config/m68hc11/m68hc11.h, config/mips/mips.c,
4773 config/mips/mips.h, config/mips/openbsd.h,
4774 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4775 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4776 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4777 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4778 config/sparc/linux.h, config/sparc/linux64.h,
4779 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4780 doc/extend.texi, doc/gcov.texi, doc/install.texi,
4781 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4782 typos. Follow spelling conventions.
4784 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
4787 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4788 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4789 specially. Check for side effects only for COND_EXPR.
4790 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4791 return with TREE_NO_WARNING.
4793 2005-08-06 Richard Sandiford <richard@codesourcery.com>
4795 PR rtl-optimization/23233
4796 * loop.c (combine_movables): Require the modes to be the same.
4797 (move_movables): Remove handling of cases where the replacement
4798 had a different mode to the original.
4800 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
4802 PR tree-optimization/23128
4803 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4804 subtraction wrap, and set TREE_OVERFLOW if they do.
4806 2005-08-05 Richard Henderson <rth@redhat.com>
4809 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4810 FORCED_LABEL labels.
4812 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
4815 * reload.c (find_reloads_subreg_address): Pass down TYPE
4816 unchanged. Change all callers except find_reloads_toplev.
4818 2005-08-05 Michael Matz <matz@suse.de>
4820 * genattrtab.c (current_alternative_string): Remove.
4821 (SIMPLIFY_ALTERNATIVE): Ditto.
4822 (attr_alt_bit_p): Ditto.
4823 (alternative_name): Make const char *.
4824 (evaluate_eq_attr): Remove use of above things.
4825 (simplify_test_exp): Ditto.
4826 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4827 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4829 2005-08-04 James E Wilson <wilson@specifix.com>
4831 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4832 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4833 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4834 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4835 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4837 2005-08-04 Richard Henderson <rth@redhat.com>
4840 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4841 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4842 * tree-sra.c (decide_block_copy): Use it. Disable element copy
4843 if we'd have to instantiate too many members.
4845 2005-08-04 Richard Henderson <rth@redhat.com>
4848 * tree-outof-ssa.c (coalesce_asm_operands): New.
4849 (coalesce_ssa_name): Use it. Split out ...
4850 (coalesce_phi_operands, coalesce_result_decls): ... these.
4852 2005-08-04 Paul Brook <paul@codesourcery.com>
4854 * read-rtl.c (read_quoted_string): Break if EOF.
4856 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
4858 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
4859 (fold_build2): Likewise.
4860 (fold_build3): Likewise.
4861 (fold_build1_stat): New function prototype.
4862 (fold_build2_stat): Likewise.
4863 (fold_build3_stat): Likewise.
4864 * fold-const.c (fold_build1): Rename to ..
4865 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4866 through to build1_stat.
4867 (fold_build2): Rename to ..
4868 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4869 through to build2_stat.
4870 (fold_build3): Rename to ..
4871 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4872 through to build3_stat.
4874 2005-08-04 David Edelsohn <edelsohn@gnu.org>
4875 Ian Lance Taylor <ian@airs.com>
4877 * function.c (assign_stack_local_1): Do not correct stack slot
4878 address if allocation size is smaller than mode size.
4880 2005-08-04 Diego Novillo <dnovillo@redhat.com>
4883 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
4884 (tree_merge_blocks): Propagate anything allowed by
4886 Clarify documentation.
4887 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
4888 SSA form, schedule an update if necessary.
4890 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
4892 * doc/install.texi (Binaries): Remove broken link to
4893 Sinix/Reliant Unix binaries.
4895 2005-08-03 Richard Henderson <rth@redhat.com>
4898 * function.c (stack_protect_epilogue): Export.
4899 * tree.h (stack_protect_epilogue): Declare.
4900 * calls.c (expand_call): Call it.
4902 2005-08-03 Eric Christopher <echristo@apple.com>
4904 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4905 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4908 2005-08-04 Jan Hubicka <jh@suse.cz>
4910 * profile.c (branch_prob): Split edges with goto locus on them
4911 to get proper line counts.
4912 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
4914 2005-08-03 Paul Brook <paul@codesourcery.com>
4916 * function.c (assign_parms): Round current_function_args_size
4917 to PARM_BOUNDARY, not STACK_BOUNDARY.
4919 2005-08-03 Geoffrey Keating <geoffk@apple.com>
4921 * config/i386/i386.c (x86_elf_aligned_common)
4922 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4924 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
4926 PR tree-optimization/23157
4927 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
4928 before emitting them.
4930 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4932 PR tree-optimization/19899
4933 * Makefile.in (tree-scalar-evolution.o): Add real.h.
4934 * tree-scalar-evolution.c: Include real.h.
4935 (add_to_evolution): Build constant -1 of correct type.
4937 2005-08-03 Jan Hubicka <jh@suse.cz>
4939 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4940 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4941 profile updating for complette unrolling.
4942 * loop-unroll.c (peel_loop_completely): Use it.
4943 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4944 (tree_unroll_loops_completely): Disable code growing unrolling of cold
4947 2005-08-03 Paul Brook <paul@codesourcery.com>
4949 * combine.c (can_change_dest_mode): New function.
4950 (try_combine, simplify_set): Use it.
4952 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
4954 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4957 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
4959 * doc/install.texi (Specific): Adjust link to openavr.org.
4960 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4961 (Binaries): Adjust HP-UX Porting Center link.
4962 (Binaries): Adjust Free Software Foundation ordering link.
4964 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
4966 * convert.c (convert_to_integer): Use fold_build1 instead of
4967 build1 when converting an integer to an integer.
4969 2005-08-02 Richard Henderson <rth@redhat.com>
4971 * combine.c (combine_instructions): Don't use reg_equal/equiv
4972 results if the mode doesn't match.
4974 2005-08-02 Mark Mitchell <mark@codesourcery.com>
4976 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4977 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4979 2005-08-02 Richard Henderson <rth@redhat.com>
4982 * explow.c (memory_address): Remove special-case for
4983 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4985 2005-08-02 Diego Novillo <dnovillo@redhat.com>
4988 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4989 number of calls to cleanup_tree_cfg_1.
4991 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
4993 * doc/invoke.texi: document file extensions .F90 and .F95
4995 2005-08-02 Richard Guenther <rguenther@suse.de>
4997 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4998 positive if its first argument is positive.
5000 2005-08-02 Richard Guenther <rguenther@suse.de>
5002 PR tree-optimization/23177
5003 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5006 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5008 PR tree-optimization/23129
5009 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5010 varying for divisions with anti-ranges.
5012 2005-08-02 Jan Hubicka <jh@suse.cz>
5014 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5015 * tree-ssa-threadupdate.c (thread_block): Add it here.
5017 2005-08-01 James E Wilson <wilson@specifix.com>
5019 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5020 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5021 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5023 * config/mips/predicates.md (const_call_insn_operand): Add check for
5024 SYMBOL_REF_LONG_CALL_P.
5025 * doc/extend.texi (long_call): Document the new attribute.
5027 2005-08-01 Ian Lance Taylor <ian@airs.com>
5028 Richard Henderson <rth@redhat.com>
5030 * Makefile.in (RTL_BASE_H): Add real.h.
5031 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5033 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5035 * rtl.c (rtl_check_failed_code_mode): New.
5036 * rtl.h (struct rtx_def): Add u.rv.
5037 (XCMWINT, XCNMPRV): New.
5038 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5039 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5041 2005-08-01 Richard Henderson <rth@redhat.com>
5043 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5044 with auto-inc codes.
5046 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5048 2005-08-01 Jan Hubicka <jh@suse.cz>
5050 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5051 * i386.c: Include dwarf2.h
5052 (asm_preferred_eh_data_format): New.
5053 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5055 2005-08-01 Ian Lance Taylor <ian@airs.com>
5057 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5058 randomize_va_space for virtual address randomization control.
5060 2005-08-01 Steven Bosscher <stevenb@suse.de>
5062 * common.opt (flag_ipa_cp): Put in right place to maintain
5065 2005-08-01 Jan Hubicka <jh@suse.cz>
5067 * profile.c (compute_value_histograms): Fix thinko.
5068 * value-prof.c: Include toplev.h
5069 (check_counter): New function.
5070 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5071 tree_mod_subtract_transform): Add sanity check.
5073 2005-08-01 Richard Guenther <rguenther@suse.de>
5075 PR tree-optimization/23133
5076 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5077 current functions parameter decls to find defs to cse
5080 2005-08-01 Richard Guenther <rguenther@suse.de>
5082 PR tree-optimization/23109
5083 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5084 If trapping math is in effect, use post-dominator information
5085 to check if we'd in any case reach a trapping point before
5086 doing the reciprocal insertion.
5087 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5088 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5089 expressions are invariant only if trapping math is not in effect.
5091 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5093 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5094 cgraph_function_versioning): New declarations.
5095 * cgraphunit.c: Add include to ipa-prop.h.
5096 (update_call_expr, cgraph_copy_node_for_versioning,
5097 cgraph_function_versioning): New functions.
5098 * integrate.c (copy_decl_for_inlining): Remove.
5099 * ipa-prop.h (ipa_replace_map): New struct.
5100 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5101 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5102 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5103 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5104 ipcp_iterate_stage, ipcp_method_scale_print,
5105 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5106 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5107 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5108 ipcp_update_bb_counts, ipcp_update_profiling,
5109 ipcp_update_edges_counts): New functions.
5110 (ipcp_method_cval_init): Remove restriction regarding local methods.
5111 (ipcp_init_stage): Add ipcp_method_compute_scale.
5112 (ipcp_insert_stage): Add versioning.
5113 (ipcp_structures_print): Add ipcp_method_scale_print.
5114 (ipcp_driver): Dump profiling info.
5115 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5116 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5117 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5118 (struct inline_data): Add versioning_p, ipa_info, new fields.
5119 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5120 declare_return_variable): Replace calls to copy_decl_for_inlining with
5122 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5124 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5125 Add argument VERSIONING.
5126 (copy_arguments_for_versioning, copy_static_chain,
5127 function_versionable_p, tree_versionable_function_p,
5128 tree_function_versioning, replace_ref_tree): New functions.
5129 * tree-inline.h: Include varray.h.
5130 (tree_versionable_function_p, tree_function_versioning,
5131 tree copy_decl_for_dup): New declarations.
5133 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5135 * ipa-cp.c: New file. Contains IPCP specific functionality.
5136 * ipa-prop.h: New file. Contains structures/definitions that can be
5137 used by several interprocedural data flow optimizations (and also IPCP).
5138 * ipa-prop.c: New file.
5139 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5140 * common.opt: Add ipa-cp flag.
5141 * timevar.def: Add IPCP optimization.
5142 * tree-optimize.c (init_tree_optimization_passes): Schedule
5144 * tree-pass.h (pass_ipa_cp): Declare.
5146 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5148 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5149 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5150 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5151 config/i386/i386.c, config/mips/mips.h,
5152 config/rs6000/rs6000.h, config/sh/sh.c,
5153 config/stormy16/stormy16.c: Fix comment typos.
5155 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5158 * c-typeck.c (build_binary_op): Use common_type wrapper on
5160 (common_type): Update comment.
5162 2005-07-31 Steven Bosscher <stevenb@suse.de>
5165 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5166 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5167 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5169 2005-07-31 Jan Hubicka <jh@suse.cz>
5171 * pretty-print.h (pp_widest_integer): New macro.
5172 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5175 2005-07-31 Jan Hubicka <jh@suse.cz>
5177 * output.h (enum section_category): Export from varasm.c
5178 (categorize_decl_for_section): Likewise.
5179 * varasm.c (enum section_category): Kill.
5180 (categorize_decl_for_section): Make global.
5181 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5183 * i386.c (ix86_section_threshold): New static variable.
5184 (ix86_in_large_data_p, ix86_encode_section_info,
5185 x86_64_elf_unique_section,
5186 x86_64_elf_select_section): New functions.
5187 (TARGET_ENCODE_SECTION_INFO): Define
5188 (override_options): Enable medium model for PIC.
5189 (ix86_expand_prologue): Expand gen_set_got_rex64.
5190 (legitimate_constant_p): Handle new UNSPECs.
5191 (legitimate_pic_address_disp_p): Likewise.
5192 (legitimize_pic_address): Lower MEDIUM model addressing.
5193 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5194 (enum cmodel): Add MEDIUM_PIC.
5195 (SYMBOL_REF_FAR_ADDR_P): New macro.
5196 (SYMBOL_FLAG_FAR_ADDR): New flag.
5197 * i386.md (movdi): Support medium model.
5198 (set_got_rex64): New pattern.
5199 * i386.opt (mlarge-data-threshold): New flag.
5200 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5201 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5202 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5203 TARGET_ASM_UNIQUE_SECTION): New.
5205 * invoke.texi (-mlarge_data_threshold): Document
5207 2005-07-31 Jan Hubicka <jh@suse.cz>
5209 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5210 (coalesce_vars): Likewise.
5211 * tree-ssa-live.c (coalesce_cost): New.
5212 (build_tree_conflict_graph): Use coalesce_cost.
5213 * tree-ssa-live.h (coalesce_cost): Declare.
5215 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5217 * arm.md (all peepholes for post-increment operations): Delete.
5218 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5219 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5220 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5221 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5222 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5224 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5226 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5229 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5232 * doc/invoke.texi: Document -rdynamic.
5234 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5237 * c-parser.c (c_parser_parms_list_declarator): Call
5238 mark_forward_parm_decls.
5239 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5240 decls with visibility structure.
5242 2005-07-30 Paul Brook <paul@codesourcery.com>
5244 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5246 2005-07-30 Paul Brook <paul@codesourcery.com>
5248 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5250 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5252 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5254 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5257 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5258 nested function declarators.
5259 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5260 (grokparms): Call warn_if_shadowing for parameters used within the
5262 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5263 not used within the parameter list.
5264 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5266 2005-07-30 Jan Hubicka <jh@suse.cz>
5268 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5269 * i386.c (ix86_fixup_binary_operands): Likewise.
5270 (ix86_expand_unary_operator): Likewise.
5271 (ix86_expand_fp_absneg_operator): Likewise.
5272 * optabs.c (expand_vec_cond_expr): Validate dest.
5274 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5277 * real.c (real_from_string): Also set last bit if there is a
5278 nonzero hex digit beyond GCC's internal precision after ".".
5280 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5282 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5283 define_constants. Change duplicate values to unassigned numbers.
5284 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5285 (*altivec_vspltsf): New.
5286 (altivec_vperm_v4sf): Delete.
5287 (altivec_vperm_<mode>): Use mode macro V.
5288 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5289 (altivec_predicate_v4sf): Delete.
5290 (altivec_predicate_<mode>): Use mode macro V.
5291 (*altivec_lvesfx): New.
5292 (*altivec_stvesfx): New.
5293 (vec_realign_load_v4sf): Delete.
5294 (vec_realign_load_<mode>): Use mode macro V.
5295 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5298 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5301 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5303 * configure: Regenerated.
5305 2005-07-29 Paul Brook <paul@codesourcery.com>
5307 * doc/install.texi: Add link to GFortran binaries wiki page.
5309 2005-07-29 David Ung <davidu@mips.com>
5311 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5312 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5313 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5314 * config/mips/mips.md (cpu): Add 5kf name.
5315 (includes): Includes 5k.md.
5316 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5317 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5320 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5323 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5324 (cleanup_tree_cfg): ... here.
5325 Call cleanup_tree_cfg_1 until there are no more cleanups to
5328 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
5330 * tree-vrp.c (compare_range_with_value): Return true or false
5331 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5332 EQ_EXPR respectively.
5334 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
5336 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5339 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5341 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5342 (tree_ssa_dominator_optimize): Increment it.
5343 (dump_dominator_optimization_stats): Print it.
5345 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5346 Steven Bosscher <stevenb@suse.de>
5348 PR rtl-optimization/23117
5349 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5350 when head == tail. Tidy comment.
5352 2005-07-28 Richard Henderson <rth@redhat.com>
5354 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5355 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5356 * jump.c (rtx_renumbered_equal_p): Likewise.
5357 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5358 CONST_INT and CONST_DOUBLE.
5359 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5360 * reload.c (operands_match_p): Special case CONST_INT and
5361 CONST_DOUBLE; check mode earlier.
5363 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5366 * c-typeck.c (convert_for_assignment): Do not check
5367 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5369 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5372 * c-typeck.c (composite_type): Prefer constant size arrays to
5375 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5378 * real.c (real_from_string): Set last bit if there is a nonzero
5379 hex digit beyond GCC's internal precision.
5381 2005-07-28 Richard Henderson <rth@redhat.com>
5384 * cfgcleanup.c (try_forward_edges): Watch out for end of
5387 2005-07-28 James E Wilson <wilson@specifixinc.com>
5390 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5392 2005-07-28 Jan Hubicka <jh@suse.cz>
5394 * Makefile.in (rtl-profile.o): Kill all traces of it.
5395 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5396 * coverage.h (rtl_coverage_counter_ref): Kill.
5397 * opts.c (flag_speculative_prefetching_set): Kill.
5398 (flag_loop_optimize_set): New.
5399 (common_handle_option): Disable loop optimizer when profiling;
5400 do not handle speculative prefetching.
5401 * passes.c (init_optimization_passes): Replace pass_profiling combo
5402 by branch_prob pass.
5403 * profile.c (compute_value_histograms): Update for simplified value
5405 (rtl_register_profile_hooks): Kill.
5406 (pass_profiling): Kill.
5407 (rest_of_handle_branch_prob): Do not profile.
5408 * toplev.c (process_options): Remove speculative prefetching.
5409 * toplev.h (flag_tree_based_profiling): Kill.
5410 * tree-profile.c (prepare_instrumented_value,
5411 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5412 tree_gen_one_value_profiler, do_tree_profiling): Update for
5413 simplified datastructures.
5414 * value-prof.c: Add comment that speculative prefetching was dropped;
5415 update rest of file for simplified datastructures.
5416 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5417 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5418 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5419 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5420 rtl_mod_subtract, gen_speculative_prefetch,
5421 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5422 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5423 (gate_handle_value_profile_transformations,
5424 rest_of_handle_value_profile_transformations,
5425 pass_value_profile_transformations): Kill.
5426 * value-prof.h (histogram_value_t): Remove IL based unions.
5427 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5428 rtl_profile_hooks): Remove hooks.
5430 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5432 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5433 (cgraph_clone_node): Likewise.
5434 * cgraph.h (cgraph_clone_edge): Update prototype.
5435 (cgraph_clone_node): Likewise.
5436 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5438 (lookup_recursive_calls): Consider profile.
5439 (cgraph_decide_recursive_inlining): Fix updating; use new
5440 probability argument; use profile.
5441 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5442 * tree-inline.c (copy_bb): Update clal of clone_edge.
5443 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5445 * invoke.texi (min-inline-recursive-probability): Document.
5447 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5449 * doc/install.texi (Configuration): Update Valgrind homepage.
5451 2005-07-28 Richard Henderson <rth@redhat.com>
5454 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5455 labels we want to delete.
5456 (cfg_layout_merge_blocks): Likewise.
5458 2005-07-28 Richard Henderson <rth@redhat.com>
5461 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5462 when expanding to nothing.
5464 2005-07-28 Josh Conner <jconner@apple.com>
5466 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5467 (cgraph_decide_inlining_of_small_functions): Likewise.
5469 2005-07-28 Josh Conner <jconner@apple.com>
5471 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5472 direction of badness if negative.
5473 (cgraph_default_inline_p): Add reason to parameters, and assign it
5475 (cgraph_decide_inlining_of_small_functions): New parameter in call
5476 to cgraph_default_inline_p.
5477 (cgraph_decide_inlining_incrementally): Likewise.
5478 * cgraphunit.c (decide_is_function_needed): Likewise.
5479 * cgraph.h (cgraph_default_inline_p): Likewise.
5481 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5483 * builtins.c: Fix comment typo(s).
5484 * genautomata.c: Likewise.
5485 * gimplify.c: Likewise.
5486 * tree-dfa.c: Likewise.
5487 * tree-flow-inline.h: Likewise.
5488 * tree-into-ssa.c: Likewise.
5489 * tree-ssa-alias.c: Likewise.
5490 * tree-ssa-ccp.c: Likewise.
5491 * tree-ssa-copy.c: Likewise.
5492 * tree-ssa-dce.c: Likewise.
5493 * tree-ssa-dom.c: Likewise.
5494 * tree-ssa-operands.c: Likewise.
5495 * tree-tailcall.c: Likewise.
5496 * tree-vectorizer.c: Likewise.
5497 * tree-vrp.c: Likewise.
5500 2005-07-28 Jeff Law <law@redhat.com>
5502 * tree-vrp.c (test_for_singularity): Extracted from ...
5503 (simplify_cond_using_ranges): Attempt to simplify a relational
5504 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5506 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5508 PR tree-optimization/22506
5509 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5510 phis whose argument is constant.
5512 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5514 PR rtl-optimization/18992
5515 Back out this patch:
5516 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5517 PR optimization/12142
5518 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5519 uses of the register in the SET_SRC. Remove unnecessary argument.
5521 Replace it with this:
5522 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5523 if flag_non_call_exceptions is set and the insn may trap, pass
5524 pc_rtx as dest for recursion.
5525 In SET_SRC part of SET case, if dest is already set, pass it down
5528 2005-07-28 Jan Hubicka <jh@suse.cz>
5530 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5531 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5532 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5534 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5535 profile when available.
5537 2005-07-28 Jan Beulich <jbeulich@novell.com>
5539 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5540 (ia64_print_operand): Describe and handle 'X'.
5541 (ia64_register_move_cost): Also handle FP_REGS.
5542 (ia64_preferred_reload_class): Likewise.
5543 (ia64_secondary_reload_class): Likewise.
5544 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5545 it. Also check for ITANIUM_CLASS_FLDP.
5546 * config/ia64/ia64.h (FP_REGNO_P): New.
5547 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5548 (reg_class): Add FP_REGS.
5549 (REG_CLASS_NAMES): Adjust for it.
5550 (REG_CLASS_CONTENTS): Likewise.
5551 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5552 (REG_CLASS_FROM_LETTER): Handle 'x'.
5553 (CLASS_MAX_NREGS): Handle FP_REGS.
5554 (MEMORY_MOVE_COST): Likewise.
5555 * config/ia64/ia64.md (itanium_class): Add fldp.
5556 (type): Handle fldp.
5557 (movti_internal): More allowable operand combinations. Use ldfp8 when
5558 splitting unnecessary. Remove predicable attribute. Adjust
5559 itanium_class attribute.
5560 (smuldi3_highpart): Remove outdated comment.
5561 (mulditi3, umulditi3, rotlti3): New expanders.
5562 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5563 (absti2): Disabled new insn for future reference.
5564 Respective new splitters.
5565 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5566 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5567 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5569 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5571 PR rtl-optimization/23047
5572 * simplify-rtx.c (simplify_const_relational_operation): Respect
5573 flag_wrapv for comparisons with ABS.
5575 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5577 PR tree-optimization/22493
5578 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5579 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5581 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5583 * config/frv/frv.opt (moptimize-membar): New.
5585 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5587 * config/frv/frv.h: Remove machine_function definition.
5589 * config/frv/frv.c (struct frv_io): New.
5590 (struct machine_function): Moved from frv.h. Add has_membar_p.
5591 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5592 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5593 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5594 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5595 (frv_reorg): Call frv_optimize_membar when appropriate.
5596 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5597 (frv_expand_builtin): Adjust calls accordingly.
5598 (frv_io_address_cookie): New function.
5599 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5600 load or store rather than a special insn. Add ccnstant address and
5601 io-type operands to the membar.
5602 (frv_ifcvt_modify_tests): Unsign regno.
5603 (frv_ifcvt_modify_tests): Same.
5605 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5606 UNSPEC_OPTIONAL_MEMBAR constant.
5607 (builtin_read_<mode>): Delete.
5608 (builtin_write_<mode>): Delete.
5609 ("optional_membar_<mode>"): Add operand.
5611 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5612 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5613 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5614 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5615 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5616 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5617 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5618 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5619 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5621 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5623 * df.c (df_uses_record): Handle SCRATCH.
5625 2005-07-28 Steven Bosscher <stevenb@suse.de>
5628 * passes.c (rest_of_decl_compilation): If decl is a type and
5629 we have encountered errors, don't emit debug information.
5631 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5633 * params.def: Fixed comment.
5635 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
5638 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5639 (TARGET_ASM_UNALIGNED_HI_OP): Add.
5640 (TARGET_ASM_UNALIGNED_SI_OP): Add.
5642 2005-07-27 Steven Bosscher <stevenb@suse.de>
5645 * varasm.c (assemble_start_function): Don't do anything that may
5646 require a CFG if the current function is a thunk.
5648 2005-07-25 Geoffrey Keating <geoffk@apple.com>
5650 * doc/install.texi (Prerequisites): Mention that perl is needed
5651 to do export control in libstdc++ targetting Darwin.
5653 2005-07-27 Steven Bosscher <stevenb@suse.de>
5655 PR rtl-optimization/17808
5656 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5657 (sched_insns_conditions_mutex_p): Split out from...
5658 (add_dependence): ...here. But don't call it from here.
5659 (add_dependence_list): Check sched_insns_conditions_mutex_p
5660 before calling add_dependence.
5661 (add_dependence_list_and_free): Likewise.
5662 (fixup_sched_groups): Likewise.
5663 (sched_analyze_1): Likewise.
5664 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5665 (sched_analyze): Likewise.
5666 (sched_analyze_insn): Likewise.
5667 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5668 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
5669 dependencies on all COND_EXEC insns to jumps ending basic blocks
5670 when doing intrablock scheduling.
5671 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5673 2005-07-27 Jeff Law <law@redhat.com>
5675 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5676 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
5677 equivalency sets, correctly handle the case were vr0 has an
5678 equivalency set, but vr1 does not.
5680 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
5682 PR tree-optimization/23073
5683 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5684 vect_print_dump_info before fprintf.
5686 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5688 PR tree-optimize/22348
5689 * tree-ssa-loop-niter.c (number_of_iterations_cond):
5690 Fold the partial computation.
5692 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5694 PR tree-optimization/22325
5695 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5697 * tree-scalar-evolution.c (scev_const_prop): Add generic final
5699 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5700 (force_var_cost): ... this function.
5701 (compute_phi_arg_on_exit): Export.
5703 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5705 PR tree-optimization/20773
5706 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5709 2005-07-27 Richard Guenther <rguenther@suse.de>
5711 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5712 Avoid pushing again if current struct contains only
5713 fields we decomposed.
5715 2005-07-27 Jan Hubicka <jh@suse.cz>
5717 PR tree-optimization/22574
5718 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5721 * tree-tailcall.c (decrease_profile): New function.
5722 (eliminate_tail_call): Use it.
5724 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5725 visibility flags correctly in whole program mode.
5727 2005-07-26 Steve Ellcey <sje@cup.hp.com>
5729 PR rtl-optimization/22472
5730 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5732 2005-07-26 Steven Bosscher <stevenb@suse.de>
5734 PR tree-optimization/22504
5735 * tree-complex.c (expand_complex_addition): Use 'code' instead
5736 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5738 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5740 * config.gcc (cpu_type): Add frv case.
5741 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5742 (supported_defaults): Add fr550 case.
5744 2005-07-26 Diego Novillo <dnovillo@redhat.com>
5747 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5748 whether a pointer of type T * may point to objects of type T *.
5750 2005-07-26 DJ Delorie <dj@redhat.com>
5752 * configure: Regenerate.
5754 2005-07-26 Dale Johannesen <dalej@apple.com>
5756 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
5758 2005-07-26 Mark Mitchell <mark@codesourcery.com>
5760 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5761 Clarify use of "build" in name.
5763 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5765 * doc/extend.texi (Raw read/write Functions): New section.
5766 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5767 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5768 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5769 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5770 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5771 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5772 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5773 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5774 * config/frv/frv.c: Add bdesc_loads global.
5775 Add bdesc_stores global.
5776 (frv_init_builtins): Add support for __builtin_{read/write}*.
5777 (frv_volatile_memref): New.
5778 (frv_expand_load_builtin): New.
5779 (frv_expand_store_builtin): New.
5780 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5781 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5782 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5783 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5784 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5785 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5786 (builtin_read_<mode>): New.
5787 (builtin_write_<mode>): New.
5788 (builtin_write64): New.
5789 (optional_membar_<mode>): New.
5791 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
5793 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5794 (rather than units) against HOST_BITS_PER_WIDE_INT.
5796 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
5798 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5799 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5800 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5801 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5804 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5805 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5806 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5808 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5810 2005-07-26 Richard Guenther <rguenther@suse.de>
5812 PR tree-optimization/22486
5813 * fold-const.c (fold_unary): Fold away useless component
5814 references of the form (T *)&T.x, if the address
5817 2005-07-25 James E Wilson <wilson@specifixinc.com>
5819 * dwarf2out.c (add_call_src_coords_attributes): New.
5820 (gen_inlined_subroutine_die): Call it.
5821 (maybe_emit_file, init_file_table): Add comments.
5822 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5824 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5825 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5826 * tree.h (BLOCK_SOURCE_LOCATION): New.
5827 (struct tree_block): New field locus.
5829 2005-07-26 Andreas Schwab <schwab@suse.de>
5831 PR rtl-optimization/23043
5832 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5833 when allocating a struct unoccr.
5835 2005-07-25 Richard Henderson <rth@redhat.com>
5838 * tree-complex.c (gate_no_optimization): True if errors.
5839 * Makefile.in (tree-complex.o): Update dependencies.
5841 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
5843 * config/frv/predicates.md (integer_register_operand): Use
5846 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5849 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
5851 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
5853 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5855 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
5856 types when flag_unsafe_math_optimizations is true.
5858 2005-07-25 Mark Mitchell <mark@codesourcery.com>
5860 * gcc.c (option_map): Add --sysroot.
5861 (process_command): Handle --sysroot.
5862 (display_help): Document it.
5863 * doc/cppopts.tex (-isysroot): Document.
5864 * doc/invoke.texi (--sysroot): Document.
5865 * doc/install.texi (--with-build-sysroot): Document.
5867 * Makefile.in (inhibit_libc): New variable.
5868 (INHIBIT_LIBC_CFLAGS): Likewise.
5869 (LIBGCC2_CFLAGS): Include
5870 $(INHIBIT_LIBC_CFLAGS).
5871 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
5872 ($(T)crtbegin.o): Do not use @inhibit_libc@.
5873 ($(T)crtend.o): Likewise.
5874 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
5875 ($(T)crtendS.o): Likewise.
5876 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
5877 ($(T)crtendT.o): Likewise.
5878 (stmp-fixinc): Do not complain about missing headers if
5880 * configure.ac (inhibit_libc): Set it to true/false.
5881 (--with-build-sysroot): New option. Use it to set
5883 * configure: Regenerated.
5885 2005-07-25 Manfred Hollstein <mh@suse.com>
5887 * calls.c (store_one_arg): Fix unsigned comparison warning.
5889 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5892 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5893 (ggc_print_statistics): Initialize variable before use.
5895 2005-07-25 Richard Guenther <rguenther@suse.de>
5897 * tree-dfa.c (mark_new_vars_to_rename): Protect against
5898 calling with a PHI_NODE argument.
5900 * tree-flow-inline.h (overlap_subvar): Protect against
5903 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
5905 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5906 * configure: Regenerate.
5908 2005-07-25 Ira Rosen <irar@il.ibm.com>
5910 * expr.c (highest_pow2_factor): Make extern.
5911 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
5912 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5913 record_array_differ_p, array_ptr_differ_p): Likewise.
5914 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5915 additional cases. Call the above functions.
5916 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5917 base_object_differ_p when there are two base objects. Otherwise, compare
5918 base address and offset. Call may_alias_p.
5919 (dump_data_reference): Use a correct field name.
5920 (analyze_array): Make static. Initialize new data-ref fields.
5921 (analyze_indirect_ref): New function.
5922 (init_data_ref): Initialize new data-ref fields.
5923 (strip_conversion): Moved from tree-vect-analyze.c.
5924 (analyze_offset_expr, get_ptr_offset, address_analysis,
5925 object_analysis): Likewise.
5926 (analyze_offset): New function.
5927 (create_data_ref): Likewise.
5928 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
5929 dimensions for ARRAY_REFs only.
5930 (build_classic_dist_vector): Make static.
5931 (access_functions_are_affine_or_constant_p): Call macro to get the
5932 address of access functions.
5933 (compute_all_dependences): Add new parameter
5934 compute_self_and_read_read_dependences. Compute self and read-read
5935 dependences if it is true.
5936 (find_data_references_in_loop): Call create_data_ref. Initialize new
5938 (compute_data_dependences_for_loop): Add new parameter
5939 compute_self_and_read_read_dependences. Remove parameter nb_loops,
5940 compute nb_loops. Call compute_all_dependences,
5941 build_classic_dist_vector and build_classic_dir_vector with correct
5943 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5944 with correct parameters. Compare dimensions for ARRAY_REFs only.
5945 (free_data_refs): Call macro to free access functions.
5946 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5947 fields from stmt_vinfo.
5948 (struct base_object_info): New structure.
5949 (struct data_reference): Move fields to base_object_info. Add fields
5950 first_location and object_info for above structures. Move fields from
5951 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5952 aligned_to. Add macros to access the new fields.
5953 Update functions declarations.
5954 * tree-flow.h (is_aliased_with): Declare.
5955 * tree-loop-linear.c (linear_transform_loops): Call
5956 compute_data_dependences_for_loop with correct parameters.
5957 * tree-ssa-alias.c (is_aliased_with): New function.
5958 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5959 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5960 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5961 vect_base_addr_differ_p, compute_subscript_distance and
5962 build_classic_dist_vector. Add printings. Check absolute value of
5964 (vect_analyze_data_ref_dependences): Go through ddrs instead of
5966 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5967 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5968 to bytes. Add printing.
5969 (vect_compute_data_refs_alignment): Go through loads and stores in one
5971 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5972 vect_analyze_data_ref_access): Likewise.
5973 (vect_analyze_pointer_ref_access): Remove.
5974 (vect_address_analysis, vect_object_analysis): Likewise.
5975 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5976 and analyze data-refs in the loop.
5977 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5978 fields of data-ref instead of stmt. Add init to the offset from the
5980 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5981 (vect_update_init_of_dr): Likewise.
5982 (vect_update_inits_of_drs): Go through loads and stores in one loop.
5983 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5985 (new_loop_vec_info): Initialize new fields.
5986 (destroy_loop_vec_info): Free new fields.
5987 (vect_strip_conversion): Remove.
5988 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5989 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5990 datarefs. Add new field ddrs.
5991 Add macros for the new fields access.
5992 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5993 base_aligned_p, misalignment, memtag, ptr_info and subvars.
5994 Remove their macros.
5995 * tree.h (highest_pow2_factor): Declare.
5997 2005-07-25 Jakub Jelinek <jakub@redhat.com>
5999 * calls.c (store_one_arg): Check for sibling call MEM arguments
6000 from already clobbered incoming argument area.
6002 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6004 * c-common.c (check_missing_format_attribute): New.
6005 * c-common.h (check_missing_format_attribute): Likewise.
6006 * c-typeck.c (convert_for_assignment): Use it.
6008 2005-07-24 Andreas Schwab <schwab@suse.de>
6010 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6011 register use a word move. Correct operand of ext.w in 68000 code.
6013 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6015 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6016 variables as declarations, rather than definitions.
6018 2005-07-24 Ira Rosen <irar@il.ibm.com>
6020 PR tree-optimization/22526
6021 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6024 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6026 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6027 that C99 reserve for future use. Use it to define clog10,
6028 clog10f and clog10l.
6030 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6032 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6033 * configure.ac: Check for -Wmissing-format-attribute.
6035 * configure: Regenerate.
6037 2005-07-23 Richard Henderson <rth@redhat.com>
6039 PR tree-optimization/22623
6040 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6042 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6045 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6047 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6049 * Makefile.in (C_TREE_H): Update dependencies.
6050 * c-tree.h: Include toplev.h.
6051 * diagnostic.h (diagnostic_set_info): Add format attribute.
6052 * rtl-error.c (diagnostic_for_asm): Likewise.
6054 2005-07-23 Chao-ying Fu <fu@mips.com>
6056 * config/mips/mips-dsp.md: New file.
6057 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6058 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6060 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6061 MIPS_BUILTIN_BPOSGE32.
6062 (mips_expand_builtin_direct): Add one parameter to indicate that
6063 builtin functions need to return a value.
6064 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6066 (mips_regno_to_class): Add classes for 12 new DSP registers.
6067 (mips_subword): Change to check four HI registers.
6068 (mips_output_move): Output move to and from 6 new DSP accumulators.
6069 (override_options): Make sure -mdsp and -mips16 are not used together.
6070 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6072 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6074 (print_operand): Add 'q' for printing DSP accumulators.
6075 (mips_cannot_change_mode_class): Check ACC_REGS.
6076 (mips_secondary_reload_class): Check ACC_REGS.
6077 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6078 (mips_register_move_cost): Check ACC_REGS.
6079 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6080 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6081 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6082 (dsp_bdesc): New array.
6083 (bdesc_arrays): Add DSP builtin function table.
6084 (mips_prepare_builtin_arg): Check predicate again after
6086 (mips_expand_builtin): Add one more parameter to
6087 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6088 MIPS_BUILTIN_BPOSGE32.
6089 (mips_init_builtins): Initialize new function types.
6090 (mips_expand_builtin_direct): Check if builtin functions need to
6091 return a value and pass operands properly.
6092 (mips_expand_builtin_bposge): New function.
6093 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6094 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6095 (FIRST_PSEUDO_REGISTER): Increase to 188.
6096 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6097 Update for 12 new DSP registers.
6098 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6099 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6100 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6101 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6102 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6103 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6104 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6105 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6106 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6107 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6108 (REGISTER_NAMES): Add names for 12 new DSP registers.
6109 * config/mips/mips.md: Include mips-dsp.md.
6110 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6111 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6112 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6113 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6114 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6115 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6116 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6117 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6118 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6119 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6120 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6121 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6122 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6123 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6124 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6125 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6126 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6127 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6128 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6129 (UNSPEC_RDDSP): New constants.
6130 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6131 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6133 * config/mips/mips.opt (-mdsp): New option.
6134 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6135 (reg_imm10_operand): New predicates.
6136 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6137 * doc/invoke.texi (-mdsp): Document new option.
6139 2005-07-22 DJ Delorie <dj@redhat.com>
6141 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6143 * tree-inline.c (inlinable_function_p): Likewise.
6145 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6148 * toplev.c (check_global_declarations): Do not mark undefined
6149 variables as DECL_IGNORED_P.
6150 * varasm.c (first_global_object_name): GTY it.
6151 (weak_global_object_name): Likewise.
6152 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6153 a string to go into {weak,first}_global_object_name.
6155 2005-07-22 DJ Delorie <dj@redhat.com>
6157 * c-format.c (check_function_format): Change warning control
6158 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6160 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6162 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6163 &PTR->FLD a dereference of PTR.
6164 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6165 a potential dereference of PTR.
6167 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6169 PR rtl-optimization/20370
6170 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6171 call allocate_reg_info if necessary.
6173 PR rtl-optimization/21848
6174 * calls.c (emit_library_call_value_1): For const functions, add
6175 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6177 PR rtl-optimization/22445
6178 * cselib.c (target.h): Include.
6179 (rtx_equal_for_cselib_p): Allow commutative matches.
6180 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6181 Remove MODE parameter. Changed all callers.
6183 PR rtl-optimization/22258
6184 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6186 (try_combine): Use likely_spilled_retval_p.
6188 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6190 * config.gcc: Add crx-elf support.
6192 * doc/contrib.texi: Mention crx.
6193 * doc/extend.texi: Document crx extensions.
6194 * doc/install.texi: Document crx install.
6195 * doc/invoke.texi: Document crx options.
6196 * doc/md.texi: Document crx constraints.
6198 * config/crx/crx-protos.h: New file.
6199 * config/crx/crx.c: New file.
6200 * config/crx/crx.h: New file.
6201 * config/crx/crx.md: New file.
6202 * config/crx/crx.opt: New file.
6203 * config/crx/t-crx: New file.
6205 2005-07-22 Manfred Hollstein <mh@suse.com>
6207 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6209 (int_add_graph_edge): Likewise.
6210 (collapse_nodes): Likewise.
6211 (process_unification_queue): Likewise.
6213 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6214 Laurent GUERBY <laurent@guerby.net>
6216 PR tree-optimization/22336
6217 * function.c (record_block_change): Check for
6218 cfun->ib_boundaries_block.
6220 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6222 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6223 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6225 2005-07-21 DJ Delorie <dj@redhat.com>
6227 * toplev.c (warn_deprecated_use): Add warning control to warning
6229 * c-typeck.c (parser_build_binary_op): Likewise.
6230 (c_finish_if_stmt): Likewise.
6231 * c-common.c (check_function_sentinel): Likewise.
6232 (check_nonnull_arg): Likewise.
6234 2005-07-21 Richard Henderson <rth@redhat.com>
6237 * tree-complex.c (complex_ssa_name_components): New.
6238 (cvc_lookup): Allow entry not found.
6239 (create_components): Remove.
6240 (create_one_component_var, get_component_var): New.
6241 (get_component_ssa_name, set_component_ssa_name): New.
6242 (extract_component): Use get_component_ssa_name.
6243 (update_complex_components): Use set_component_ssa_name.
6244 (update_complex_components_on_edge): Likewise.
6245 (update_phi_components): Create new PHI nodes directly, instead
6246 of adding insns to edges.
6247 (tree_lower_complex): Allocate and free complex_variable_components
6248 and complex_ssa_name_components here.
6250 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6252 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6253 revert to returning false.
6255 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6258 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6260 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6263 * config/i386/i386.md (cmpxf): Change operand constraints
6264 to "nonmemory_operand".
6266 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6268 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6270 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6273 * fold-const.c (fold_build1): Add checksum for the operands.
6274 (fold_build2): Likewise.
6275 (fold_build3): Likewise.
6277 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6280 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6282 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6284 * common.opt (-fforward-propagate): Committed by mistake,
6287 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6289 * reg-stack.c: Fix comment typo(s).
6290 * tree-ssa-operands.c: Likewise.
6291 * tree-vectorizer: Likewise.
6293 2005-07-21 Nick Clifton <nickc@redhat.com>
6295 * config/sh/symbian.c: Replace C++ style line comments with C
6296 style line comments.
6297 (symbian_add_attribute): Do not use a ? operator on the LHS of
6299 (sh_symbian_handle_dll_attribute): Change the type of the
6300 method vector to "VEC(tree,gc)*" and use vector accessor
6301 macros to walk over the elements.
6302 (symbian_export_vtable_and_rtti_p): Likewise.
6303 (symbian_class_needs_attribute_p): Likewise.
6305 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6308 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6309 initialize targetm.resolve_overloaded_builtin here.
6310 (altivec_expand_overloaded_builtin): Make it non-static.
6311 * config/rs6000/rs6000-protos.h
6312 (altivec_expand_overloaded_builtin): New prototype.
6313 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6314 targetm.resolve_overloaded_builtin here.
6315 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6317 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6318 Zdenek Dvorak <dvorakz@suse.cz>
6320 PR tree-optimization/19210
6321 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6323 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6324 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6325 rely on unproven assumptions.
6326 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6327 * tree-flow.h (number_of_iterations_exit): Add final parameter.
6328 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6329 to number_of_iterations_exit.
6330 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6331 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6332 * tree-ssa-loop-niter.c (find_loop_niter,
6333 estimate_numbers_of_iterations_loop): Likewise.
6334 (number_of_iterations_exit): Honor the new options.
6335 * doc/invoke.texi (Wunsafe-loop-optimizations,
6336 funsafe-loop-optimizations): Document them.
6338 2005-07-21 Richard Sandiford <richard@codesourcery.com>
6340 PR rtl-optimization/22167
6341 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6343 2005-07-20 Adam Nemet <anemet@lnxw.com>
6345 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6346 __do_global_dtors_aux longcall.
6348 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6350 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6351 (old_special_pred_table): Don't reference
6352 SPECIAL_MODE_PREDICATES.
6353 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6354 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6355 * config/sh/predicates.h: Don't mention
6356 SPECIAL_MODE_PREDICATES.
6357 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6360 2005-07-20 DJ Delorie <dj@redhat.com>
6362 * config.gcc: Add m32c-elf support.
6364 * doc/contrib.texi: Mention m32c.
6365 * doc/extend.texi: Document m32c extensions.
6366 * doc/install.texi: Mention m32c.
6367 * doc/invoke.texi: Document m32c options.
6368 * doc/md.texi: Document m32c constraints.
6370 * config/m32c/addsub.md: New file.
6371 * config/m32c/bitops.md: New file.
6372 * config/m32c/cond.md: New file.
6373 * config/m32c/jump.md: New file.
6374 * config/m32c/m32c-lib1.S: New file.
6375 * config/m32c/m32c-lib2.c: New file.
6376 * config/m32c/m32c-modes.def: New file.
6377 * config/m32c/m32c-pragma.c: New file.
6378 * config/m32c/m32c-protos.h: New file.
6379 * config/m32c/m32c.abi: New file.
6380 * config/m32c/m32c.c: New file.
6381 * config/m32c/m32c.h: New file.
6382 * config/m32c/m32c.md: New file.
6383 * config/m32c/m32c.opt: New file.
6384 * config/m32c/minmax.md: New file.
6385 * config/m32c/mov.md: New file.
6386 * config/m32c/muldiv.md: New file.
6387 * config/m32c/predicates.md: New file.
6388 * config/m32c/prologue.md: New file.
6389 * config/m32c/shift.md: New file.
6390 * config/m32c/t-m32c: New file.
6392 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6394 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6395 (stack_protect_set, stack_protect_test): New expanders.
6396 (stack_protect_set_si, stack_protect_set_si_media,
6397 stack_protect_set_di_media, stack_protect_test_si,
6398 stack_protect_test_si_media, stack_protect_test_di_media):
6401 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6403 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6405 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6407 * tree.h (tree_expr_nonzero_p): Export.
6408 * fold-const.c (tree_expr_nonzero_p): Likewise.
6409 Return true for CALL_EXPRs that are alloca calls.
6410 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6412 * tree-flow.h (expr_computes_nonzero): Remove.
6413 * tree-vrp.c (expr_computes_nonzero): Remove.
6414 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6415 (extract_range_from_unary_expr): Likewise.
6416 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6417 tree_expr_nonzero_p.
6419 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6421 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6422 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6423 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6424 All callers changed.
6425 (frame_related_constant_load): New arg "related" which controls
6426 setting of RTX_FRAME_RELATED_P. All callers changed.
6427 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6428 (bfin_expand_prologue): Add stack limit checking.
6429 * config/bfin/bfin.md (trapifcc): New pattern.
6431 * config/bfin/bfin.c: Include "langhooks.h".
6432 (def_builtin): Go through lang_hooks to call builtin_function.
6434 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6435 * config/bfin/predicates.md (symbol_ref_operand): New.
6436 (call_insn_operand): Delete. All callers changed to use
6437 register_no_elim_operand.
6438 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6440 (function_arg): Use it to generate the call's operand 2.
6441 (bfin_longcall_p): New function.
6442 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6443 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6444 determine if the address needs to be in a REG.
6445 (bfin_handle_longcall_attribute): New function.
6446 (bfin_attribute_table): Add "longcall" and "shortcall".
6447 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6448 (CUMULATIVE_ARGS): New member call_cookie.
6449 (PREDICATE_CODES): Add symbol_ref_operand.
6450 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6451 extra USE to the pattern.
6452 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6453 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6454 sibcall_value_insn; now the new patterns handle direct calls and the
6455 old ones indirect calls.
6456 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6458 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6460 * doc/trouble.texi: Update section on handling of empty loops.
6462 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6464 * config.gcc: Remove support for sparc-*-openbsd*,
6465 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6467 * config.host: Remove support for i860-*-sysv4* as a host.
6468 * config/i860/*, config/ip2k/*, config/ns32k/*,
6469 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6470 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6471 mention obsolete ports.
6473 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6475 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6477 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6478 of frame_pointer_rtx.
6479 (sh_expand_epilogue): Likewise.
6480 (sh_set_return_address): Likewise.
6481 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6482 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6483 offsets from FRAME_POINTER_REGNUM.
6484 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6485 (sh_register_names): Add initializer for sfp.
6486 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6487 (VALID_REGISTER_P): Likewise.
6488 (FIRST_PSEUDO_REGISTER): Update.
6489 (DWARF_FRAME_REGISTERS): Define.
6490 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6491 (HARD_FRAME_POINTER_REGNUM): Define.
6492 (FRAME_POINTER_REGNUM): Redefine.
6493 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6494 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6495 from FRAME_POINTER_REGNUM.
6496 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6497 FRAME_POINTER_REGNUM.
6498 (REG_CLASS_CONTENTS): Add sfp.
6499 (REG_ALLOC_ORDER): Likewise.
6500 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6501 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6502 of frame_pointer_rtx.
6503 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6505 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6507 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6508 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6509 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6511 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6514 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6516 Make CONSTRUCTOR use VEC to store initializers.
6517 * c-common.c (complete_array_type): Update to cope with VEC in
6519 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6520 (pp_c_constructor_elts): New function.
6521 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6522 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6523 struct constructor_stack, struct initializer_stack,
6524 constructor_elements, push_init_level, pop_init_level,
6525 add_pending_init, find_init_member, output_init_element): Update to
6526 cope with VEC in CONSTRUCTOR_ELTS.
6527 * coverage.c (build_fn_info_value, build_ctr_info_value,
6528 build_gcov_info): Likewise.
6529 * expr.c (categorize_ctor_elements_1, store_constructor,
6530 expand_expr_real_1): Likewise.
6531 * fold-const.c (fold_ternary): Likewise.
6532 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6533 gimplify_init_constructor, gimplify_expr): Likewise.
6534 * tree-dump.c (dequeue_and_dump): Likewise.
6535 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6537 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6539 * tree-sra.c (generate_element_init_1): Likewise.
6540 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6541 * tree-ssa-operands.c (get_expr_operands): Likewise.
6542 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6543 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6544 (get_initial_def_for_reduction): Likewise.
6545 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6546 value handle in annotations.
6547 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6548 tree_node_structure): Add support for constr_kind.
6549 (build_vector_from_ctor, build_constructor_single,
6550 build_constructor_from_list): New functions.
6551 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6552 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6553 Update to cope with VEC in CONSTRUCTOR_ELTS.
6554 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6555 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6556 CONSTRUCTOR_APPEND_ELT): New macros.
6557 (struct constructor_elt, struct tree_constructor): New data types.
6558 (union tree_node): Add tree_constructor field.
6559 * treestruct.def: Define TS_CONSTRUCTOR.
6560 * varasm.c (const_hash_1, compare_constant, copy_constant,
6561 compute_reloc_for_constant, output_addressed_constants,
6562 initializer_constant_valid_p, output_constant,
6563 array_size_for_constructor, output_constructor): Update to cope with
6564 VEC in CONSTRUCTOR_ELTS.
6565 * vec.h (VEC_empty, VEC_copy): New macros.
6567 2005-07-19 Devang Patel <dpatel@apple.com>
6569 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6571 2005-07-19 Richard Henderson <rth@redhat.com>
6574 * gimplify.c (gimplify_expr): Use main variant type for the temp
6575 destination for a discarded volatile read.
6576 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6577 casts between non-void types that change volatility.
6579 2005-07-15 DJ Delorie <dj@redhat.com>
6581 * toplev.h: Add comment about the first parameter for warning().
6582 * errors.h: Likewise.
6584 * c.opt (Wpragmas): New.
6585 * doc/invoke.texi: Document it.
6587 * function.c (do_warn_unused_parameter): Add warning control to
6589 * c-decl.c (warn_if_shadowing): Likewise.
6590 * c-lex.c (cb_def_pragma): Likewise.
6591 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6592 (pop_alignment): Likewise.
6593 (handle_pragma_pack): Likewise.
6594 (apply_pragma_weak): Likewise.
6595 (handle_pragma_weak): Likewise.
6596 (handle_pragma_redefine_extname): Likewise.
6597 (add_to_renaming_pragma_list): Likewise.
6598 (handle_pragma_extern_prefix): Likewise.
6599 (maybe_apply_renaming_pragma): Likewise.
6600 (handle_pragma_visibility): Likewise.
6602 * config/c4x/c4x-c.c (BAD): Likewise.
6603 (c4x_parse_pragma): Likewise.
6604 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6605 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6606 (rs6000_pragma_longcall): Likewise.
6607 * config/v850/v850-c.c (pop_data_area): Likewise.
6608 (ghs_pragma_section): Likewise.
6609 (ghs_pragma_section): Likewise.
6610 (ghs_pragma_interrupt): Likewise.
6611 (ghs_pragma_starttda): Likewise.
6612 (ghs_pragma_startsda): Likewise.
6613 (ghs_pragma_startzda): Likewise.
6614 (ghs_pragma_endtda): Likewise.
6615 (ghs_pragma_endsda): Likewise.
6616 (ghs_pragma_endzda): Likewise.
6618 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6619 Kenneth Zadeck <zadeck@naturalbridge.com>
6621 * Makefile.in: Removed tree-promote-statics.c
6622 * tree-promote-statics.c: Removed.
6623 * common.opt: Removed flag-promote-statics.
6625 * passes.c: Removed tree-promote-statics pass.
6626 * tree-pass.h: Ditto.
6627 * timevar.def: Removed TV_PROMOTE_STATICS.
6630 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6632 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6634 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6636 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6639 * c-common.c (check_function_arguments): Call
6640 'check_function_format' if either -Wformat or
6641 -Wmissing-format-attribute are specified.
6642 * c-format.c (check_function_format): Check -Wformat before
6643 calling 'check_format_info'.
6644 * c-opts.c (c_common_post_options): Don't warn for
6645 -Wmissing-format-attribute without -Wformat.
6646 * c-typeck.c (convert_for_assignment): Detect additional cases for
6647 -Wmissing-format-attribute.
6648 * doc/invoke.texi (-Wmissing-format-attribute): Document new
6651 2005-07-19 Richard Guenther <rguenther@suse.de>
6653 * config/i386/i386.md (lrint<mode>2): Use temporary
6654 instead of clobbering non-existent memory.
6656 2005-07-19 Nick Clifton <nickc@redhat.com>
6658 * config/avr/avr.c (legitimate_address_p): Fix debugging print
6659 statement to avoid displaying ASCII control characters.
6661 2005-07-19 Ben Elliston <bje@au.ibm.com>
6663 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6664 * cfganal.c (find_edge_index): Ditto.
6665 * combine.c (combine_instructions): Ditto.
6666 * ddg.c (create_scc): Ditto.
6667 (find_successors): Ditto.
6668 (find_predecessors): Ditto.
6669 (find_nodes_on_paths): Ditto.
6670 (longest_simple_path): Ditto.
6671 * flow.c (update_life_info): Ditto.
6672 (count_or_remove_death_notes): Ditto.
6673 (clear_log_links): Ditto.
6674 * modulo-sched.c (generate_reg_moves): Ditto.
6675 (find_max_asap): Ditto.
6676 (find_max_hv_min_mob): Ditto.
6677 (find_max_dv_min_mob): Ditto.
6678 * sbitmap.c (sbitmap_first_set_bit): Ditto.
6679 * sched-rgn.c (extract_edgelst): Ditto.
6680 * tree-into-ssa.c (prepare_names_to_update): Ditto.
6681 (dump_update_ssa): Ditto.
6682 (ssa_names_to_replace) Ditto.
6683 (switch_virtuals_to_full_rewrite): Ditto.
6684 (update_ssa): Ditto.
6685 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6687 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
6689 Fix PR tree-optimization/22483
6691 * tree-complex.c (create_components): Use
6692 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6693 * tree-flow-inline.h (fill_referenced_var_vec): New function.
6694 * tree-flow.h (safe_referenced_var_iterator): New structure.
6695 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6696 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6697 safe_referenced_var iterator.
6698 (add_type_alias): Ditto.
6700 2005-07-19 Steven Bosscher <stevenb@suse.de>
6702 * loop-init.c (rest_of_handle_loop2): Remove.
6703 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6704 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6705 (pass_rtl_loop_init, pass_rtl_loop_done,
6706 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6707 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6708 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6709 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6710 pass_tree_loop_done, and pass_tree_unswitch.
6711 (gate_loop): Rename to gate_tree_loop.
6712 * passes.c (init_optimization_passes): Update for renamed tree
6713 loop passes. Add the new loop2 passes as subpasses of loop2.
6714 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6715 Update for the renamed tree loop passes.
6717 2005-07-18 Ian Lance Taylor <ian@airs.com>
6720 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6721 blocks when optimizing.
6723 2005-07-18 Steve Ellcey <sje@cup.hp.com>
6725 * common.opt (frename-registers): Initialize to 2.
6727 (fgcse-after-reload): Ditto.
6728 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6729 (process_options): Only change flag_web, flag_rename_registers,
6730 and flag_rerun_cse_after_loop if not explicitly set by user.
6732 2005-07-18 Jan Beulich <jbeulich@novell.com>
6734 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6735 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6736 in 64-bit mode the same as DImode in 32-bit mode.
6737 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6738 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6739 mode. Add new mode parameter.
6740 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6741 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6742 x86_64_shift_adj): New expanders.
6743 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6744 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6746 Respective new splitters. Use renamed shift splitter helpers in 32-bit
6747 DImode shift splitters.
6748 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6749 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6752 2005-07-18 Jan Beulich <jbeulich@novell.com>
6754 * i386.md (movdi_extzv_1): New.
6755 (zero_extendhidi2): Combine alternatives and never force use of
6757 (zero_extendqidi2): Likewise. Don't restrict input selection.
6759 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6761 Fix PR tree-optimization/22531
6762 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
6765 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6767 * tree-promote-statics.c (pass_promote_statics): Change dump file
6770 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6772 * tree-optimize.c (init_tree_optimization_passes): Add
6773 pass_eliminate_useless_stores pass.
6774 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6775 * tree-ssa-pre.c (is_copy_stmt): New function.
6776 (follow_copies_till_vuse): Ditto.
6777 (do_eustores): Ditto.
6778 (gate_eustores): Ditto.
6780 2005-07-16 Richard Henderson <rth@redhat.com>
6782 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6784 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6785 Kenneth Zadeck <zadeck@naturalbridge.com>
6787 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6788 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6789 ipa-type-escape.h, tree-promote-statics.c
6790 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6791 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6792 tree-promote-statics.c: new files.
6793 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6794 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6795 int nonlocal_set_p, mark_constant_function): Deleted.
6796 (rest_of_handle_cfg): Removed call to mark_constant_function.
6797 (nonoverlapping_component_refs_p): Added calls to support
6798 type based aliasing.
6799 * tree-ssa-alias.c (may_alias_p,
6800 compute_flow_insensitive_aliasing): Ditto.
6801 * calls.c (flags_from_decl_or_type): Removed reference to
6803 * c-typeck.c (convert_arguments): Make builtins tolerant of having
6804 too many arguments. This is necessary for Spec 2000.
6805 * cgraph.h (const_function, pure_function): Removed.
6806 * common.opt: Added "fipa-pure-const", "fipa-reference",
6807 "fipa-type-escape", and "ftree-promote-static".
6809 * passes.c: Added ipa and tree-promote-statics passes.
6810 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6811 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6812 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6813 * tree-flow.h: Added exposed sra calls and addition of
6814 reference_vars_info field for FUNCTION_DECLS.
6815 * tree-pass.h: Added passes.
6816 * tree-sra.c: (sra_init_cache): New function.
6817 (sra_insert_before, sra_insert_after) Made public.
6818 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6820 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6821 aliasing. (may_alias_p): Added code to use type escape analysis to
6823 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6824 code to prune clobbers of static variables based on information
6825 produced in ipa-reference pass. Changed call clobbering so that
6826 statics are not marked as clobbered if the call does not clobber
6829 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
6831 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6834 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6836 * doc/install.texi (*-*-solaris2*): Document recommended version
6837 of GNU binutils and mention GNU linker problem on Solaris 10.
6839 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
6842 * c-decl.c (c_build_bitfield_integer_type): New function.
6843 (finish_struct): Call it.
6844 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
6846 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6848 * c-typeck.c (digest_init): Call 'convert_for_assignment'
6851 2005-07-16 Jan Hubicka <jh@suse.cz>
6853 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
6854 (scale_bbs_frequencies_int): Watch roundoff errors.
6855 * predict.c (return_prediction): Initialize return_stmt.
6857 2005-07-16 Jan Hubicka <jh@suse.cz>
6859 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
6860 after RTL profiling.
6862 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
6865 * fold-const.c (build_range_check): Convert high/low to etype
6866 if we are only comparing against exp.
6868 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
6870 Fix PR tree-optimization/22376
6871 * tree-ssa-structalias.c (build_constraint_graph): We really meant
6873 (need_to_solve): New function.
6874 (compute_points_to_sets): Use it.
6876 2005-07-15 Jan Hubicka <jh@suse.cz>
6878 * cfg.c (update_bb_profile_for_threading): More diagnostic.
6879 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
6881 2005-07-15 Richard Guenther <rguenther@suse.de>
6883 * c-common.c (handle_flatten_attribute): New function.
6884 Add flatten function attribute.
6885 * doc/extend.texi: Document flatten function attribute.
6886 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
6887 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
6889 (cgraph_decide_inlining): Handle functions with flatten
6892 2005-07-14 David Edelsohn <edelsohn@gnu.org>
6894 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6895 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6896 UNSPEC_XCHG, UNSPEC_AND): New.
6897 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6898 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6899 * config/rs6000/sync.md (FETCHOP): New code macro.
6900 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6902 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6903 (sync_compare_and_swap<mode>): Same.
6904 (sync_lock_test_and_set<mode>): Same.
6905 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6906 for QImode and HImode, and not PPC405.
6907 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6908 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6909 (sync_<fetchop>{si,di}_internal): New.
6910 (sync_nand{si,di}_internal): New.
6911 (sync_old_<fetchop>{si,di}_internal): New.
6912 (sync_old_nand{si,di}_internal): New
6913 (sync_new_<fetchop>{si,di}_internal): New.
6914 (sync_new_nand{si,di}_internal): New.
6915 (atomic_and{si,di}): New.
6916 (sync_new_nand{si,di}_internal): New.
6917 (atomic_and{si,di}): New.
6918 (sync_add<mode>_internal): Delete.
6919 (sync_addshort_internal): Use unspec instead of unspec_volatile.
6920 (sync_sub<mode>_internal): Delte.
6921 (sync_subshort_internal): New.
6922 (sync_andsi_internal): Use unspec instead of unspec_volatile.
6923 (sync_anddi_internal): Delete.
6924 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6925 (sync_booldi_internal): Delete.
6926 (sync_boolc<mode>_internal): Delete.
6927 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
6928 (sync_boolc<mode>_internal2): Delete.
6929 (sync_boolcc<mode>_internal): Delete.
6930 (isync, lwsync): Use unspec instead of unspec_volatile.
6931 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6932 Revert UNSPEC_VOLATILE.
6933 (rs6000_split_atomic_op): New.
6934 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6936 2005-07-14 Eric Christopher <echristo@redhat.com>
6938 * config/mips/mips.c (mips_canonicalize_comparison): Cast
6939 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6941 2005-07-14 Eric Christopher <echristo@redhat.com>
6943 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6945 2005-07-14 Steven Bosscher <stevenb@suse.de>
6947 PR tree-optimization/22230
6948 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6949 the computation of the four cross productions for "range op range".
6951 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
6952 Ulrich Weigand <uweigand@de.ibm.com>
6955 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6958 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6960 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6962 2005-07-14 Steve Ellcey <sje@cup.hp.com>
6964 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6966 2005-07-14 Richard Guenther <rguenther@suse.de>
6969 * config/i386/i386-protos.h (ix86_function_value): Change
6970 prototype to match new target hook.
6971 * config/i386/i386.c (ix86_value_regno): Change prototype
6972 to take extra type argument.
6973 (TARGET_FUNCTION_VALUE): Define.
6974 (ix86_function_ok_for_sibcall): Pass extra argument to
6975 ix86_value_regno, check return slot rtx for exact match.
6976 (ix86_function_value): Take extra parameter. Dispatch to
6977 ix86_value_regno with fndecl/fntype as provided.
6978 (ix86_value_regno): Handle extra type argument.
6979 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6981 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6982 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6983 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6984 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6985 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6987 2005-07-14 Richard Guenther <rguenther@suse.de>
6989 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6990 * calls.c (expand_call): Pass fntype to hard_function_value.
6991 (emit_library_call_value_1): Likewise.
6992 * explow.c: Include target.h.
6993 (hard_function_value): Take extra argument, the fntype.
6994 Use new target hook for function_value.
6995 * expr.h (hard_function_value): Change prototype.
6996 * function.c (aggregate_value_p): Pass 0 as fntype to
6997 hard_function_value.
6998 (assign_parms): Use new target hook for function_value.
6999 Pass 0 as fntype to hard_function_value.
7000 (expand_function_end): Likewise.
7001 * reg-stack.c: Include target.h.
7002 (stack_result): Use new target hook for function_value.
7003 * target-def.h: New target hook function_value.
7004 * target.h: Likewise.
7005 * targhooks.c (default_function_value): New function.
7006 * targhooks.h (default_function_value): Declare.
7008 2005-07-13 Ian Lance Taylor <ian@airs.com>
7010 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7012 2005-07-14 Jan Hubicka <jh@suse.cz>
7014 * tree-dfa.c (dump_variable): Use default_def function.
7015 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7016 * tree-ssa.c (verify_use): Likewise.
7017 * tree-ssanames.c (release_ssa_name): Likewise.
7018 * tree-tailcall.c (eliminate_tail_call): Likewise.
7019 (tree_optimize_tail_calls_1): Likewise.
7020 * tree-vrp.c (get_value_range): Likewise.
7022 2005-07-14 Ben Elliston <bje@au.ibm.com>
7024 * gcc.c (main): Compare language[0] with '*' when iterating over
7027 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7029 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7030 "s390_emit_compare". Add handling of CCZ1mode.
7031 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7032 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7034 (s390_branch_condition_mask): Add CCZ1mode handling.
7035 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7036 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7037 Use CCZ1mode instead of CCZmode.
7038 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7040 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7042 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7044 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7046 2005-07-13 Eric Christopher <echristo@redhat.com>
7048 * config/mips/mips.c (mips_canonicalize_comparison): New.
7049 (mips_emit_int_relational): Use.
7051 2005-07-13 Eric Christopher <echristo@redhat.com>
7053 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7055 * config/s390/s390.md: Include tpf.md. Move tpf specific
7057 * config/s390/tpf.md: To here.
7058 * config/s390/s390.opt: Move tpf specific options...
7059 * config/s390/tpf.opt: to here. Add mmain option.
7060 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7061 * config/s390/tpf.h: Rewrite.
7063 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7065 * doc/tm.texi: Remove @xref{Cross-profiling}.
7067 2005-07-13 Jeff Law <law@redhat.com>
7069 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7070 expressions, test their _DECL operands for pointer equality rather
7071 than using operand_equal_p.
7073 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7075 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7076 (TARGET_POSIX_IO): This.
7077 * config/darwin.h: Likewise.
7078 * config/freebsd.h: Likewise.
7079 * config/linux.h: Likewise.
7080 * config/lynx.h: Likewise.
7081 * config/netbsd.h: Likewise.
7082 * config/rs6000/linux64.h: Likewise.
7083 * config/rs6000/linux.h: Likewise.
7084 * config/s390/tpf.h: Likewise.
7085 * config/sh/embed-elf.h: Likewise.
7086 * config/sparc/linux64.h: Likewise.
7087 * config/sparc/linux.h: Likewise.
7088 * config/svr4.h: Likewise.
7089 * gcov-io.h: Likewise.
7091 * doc/tm.texi: Updated.
7093 * libgcov.c (create_file_directory): Defined only if
7094 TARGET_POSIX_IO is defined.
7095 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7098 2005-07-13 Jan Hubicka <jh@suse.cz>
7100 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7102 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7104 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7105 structure as argument.
7107 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7109 PR tree-optimization/21921
7110 * tree-iterator.c (tsi_link_before): Support the case when
7111 tsi_end_p (tsi) == true.
7113 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7115 PR tree-optimization/22442
7116 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7119 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7121 PR rtl-optimization/20376
7122 * toplev.c (process_options): Enable -fweb and -frename-registers when
7124 * doc/invoke.texi: Update the information about when -fweb and
7125 -frename-registers are enabled.
7127 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7130 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7131 if *rhs_p is not a SSA_NAME.
7133 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7135 Fix PR tree-optimization/22422
7136 * tree-ssa-structalias.c (struct variable_info): Add flag for
7138 (get_varinfo): Now a static function.
7139 (new_varinfo): init has_union and is_special_var to false.
7140 (solution_set_add): Check has_union.
7141 (do_da_constraint): Move temporary variable so it gets reset
7143 Also check for special variable.
7144 (do_ds_constraint): Ditto.
7145 (do_sd_constraint): Ditto.
7146 (do_structure_copy): Check for special variable.
7147 (find_func_aliases): Ditto.
7148 (init_base_vars): Set special vars properly.
7150 2005-07-13 Jan Hubicka <jh@suse.cz>
7152 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7155 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7156 (get_expr_operands): Fix thinko wrt flags and subvars.
7158 PR tree-optimize/22379
7159 * tree-inline.c (expand_call_inline): Do not output sorry in early
7162 2005-07-12 Dale Johannesen <dalej@apple.com>
7164 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7166 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7169 * host-linux.h: Include limits.h.
7171 2005-07-12 Dale Johannesen <dalej@apple.com>
7173 * expr.c (compress_float_constant): Add cost check.
7174 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7176 2005-07-12 Dale Johannesen <dalej@apple.com>
7178 * gcc.target/i386/compress-float-sse.c: New.
7179 * gcc.target/i386/compress-float-sse-pic.c: New.
7180 * gcc.target/i386/compress-float-387.c: New.
7181 * gcc.target/i386/compress-float-387-pic.c: New.
7182 * gcc.dg/compress-float-ppc.c: New.
7183 * gcc.dg/compress-float-ppc-pic.c: New.
7185 2005-07-12 Eric Christopher <echristo@redhat.com>
7187 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7189 * config/s390/s390.md: Include tpf.md. Move tpf specific
7191 * config/s390/tpf.md: To here.
7192 * config/s390/s390.opt: Move tpf specific options...
7193 * config/s390/tpf.opt: to here. Add mmain option.
7194 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7195 * config/s390/tpf.h: Rewrite.
7197 2005-07-12 Eric Christopher <echristo@redhat.com>
7199 * gcc.c (struct infile): Update comment for language.
7200 (main): Rewrite input file resetting code.
7202 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7205 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7206 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7207 (lookup_avail_expr): Use constant_boolean_node instead
7208 of boolean_false_node/boolean_true_node.
7210 2005-07-12 Ben Elliston <bje@au.ibm.com>
7212 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7213 and use it when printing num_edges.
7215 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7217 * doc/extend.texi (Blackfin Built-in Functions): New section.
7218 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7221 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7223 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7224 s/cmpstrsi/cmpstrnsi
7225 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7227 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7228 (init_optabs): Initialize cmpstrn_optab.
7229 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7230 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7231 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7232 * config/i386/i386.md: s/cmpstr/cmpstrn
7233 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7234 * doc/md.texi: Update documentation.
7236 2005-07-11 Richard Henderson <rth@redhat.com>
7238 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7239 build_va_arg_indirect_ref.
7240 (alpha_gimplify_va_arg): Likewise.
7241 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7242 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7243 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7244 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7245 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7246 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7248 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7250 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7252 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7253 * passes.c (init_optimization_passes): Add pass_empty_loop.
7254 * tree-pass.h (pass_empty_loop): Declare.
7255 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7256 try_remove_empty_loop, remove_empty_loops): New functions.
7257 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7258 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7260 2005-07-12 Peter Barada <peter@the-baradas.com>
7264 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7265 in address registers.
7266 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7267 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7268 alternative of addsi3_5200.
7270 2005-07-11 Ian Lance Taylor <ian@airs.com>
7272 * config/mips/mips.md (ffs<mode>2): Remove.
7274 2005-07-11 Ian Lance Taylor <ian@airs.com>
7276 * doc/tree-ssa.texi (Cleanups): Improve description of
7278 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7280 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7282 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7283 * tree.h (DECL_ARGUMENT_FLD): New macro.
7285 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7287 Fix PR tree-optimization/22404
7289 * tree-ssa-structalias.c (create_variable_info_for): Use
7292 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7294 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7295 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7296 for second comparison operand.
7297 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7299 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7300 (define_insn_reservation "alu"): Likewise.
7301 (csync, ssync): Now of type sync.
7302 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7303 -mcsync-anomaly -mspecld-anomaly.
7304 * config/bfin/bfin.opt (mcsync): Remove.
7305 (mcsync-anomaly, mspecld-anomaly): Add.
7306 * config/bfin/bfin.c: Include "insn-codes.h".
7307 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7308 (TARGET_DEFAULT_TARGET_FLAGS): New.
7309 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7311 2005-07-11 Steven Bosscher <stevenb@suse.de>
7313 * basic-block.h: Give the BB flags enum a name, bb_flags.
7314 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7315 * cfgcleanup.c (enum bb_flags): Remove here.
7316 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7317 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7318 (update_forwarder_flag): Likewise.
7319 (thread_jump): Likewise.
7320 (try_forward_edges): Likewise.
7321 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
7322 forwarder flags. Don't clear bb->aux for all basic blocks. Only
7323 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7325 2005-07-11 Richard Guenther <rguenther@suse.de>
7327 * config/i386/i386.opt: New target option -msseregparm.
7328 * config/i386/i386.c (override_options): Error out for
7329 -msseregparm but no SSE support.
7330 (ix86_function_sseregparm): Check for global sseregparm.
7331 * doc/invoke.texi: Document -msseregparm.
7333 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7335 * config.gcc (m32r-*-linux*): Use the default extra_parts.
7336 (m32rle-*-linux*): Ditto.
7338 2005-07-11 Jakub Jelinek <jakub@redhat.com>
7340 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7341 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7344 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7348 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7349 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7351 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7353 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7354 (varmap): Heapify varmap.
7355 (constraints): Heapify constraints.
7356 (struct constraint_graph): Heapify succs and preds.
7357 (constraint_vec_find): Update for heapification.
7358 (constraint_set_union): Ditto.
7359 (insert_into_complex): Ditto.
7360 (constraint_edge_vec_find): Ditto.
7361 (erase_graph_self_edge): Ditto.
7362 (add_graph_edge): Ditto.
7363 (get_graph_weights): Ditto.
7364 (merge_graph_nodes): Ditto.
7365 (build_constraint_graph): Ditto.
7366 (topo_visit): Ditto.
7367 (solve_graph): Ditto.
7368 (create_variable_info_for): Ditto.
7369 (init_base_vars): Ditto.
7370 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7371 (condese_varmap_nodes): Free complex vector.
7372 (clear_edges_for_node): Clear succs and preds vector.
7374 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7376 * tree-ssa-structalias.c (update_alias_info): Change counting of
7377 references to not include vdefs.
7379 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7381 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7384 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7386 * pa.c (pa_commutative_p): Make PLUS commutative when
7387 TARGET_NO_SPACE_REGS is true.
7389 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7391 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7392 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7393 * tree-dfa.c (dump_subvars_for): New.
7394 (debug_subvars_for): New.
7395 (dump_variable): Show subvariables if VAR has them.
7396 * tree-flow-inline.h (get_subvar_at): New.
7397 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7398 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7400 (struct subvar): Change fields offset and size to unsigned
7402 (dump_subvars_for): Declare.
7403 (debug_subvars_for): Declare.
7404 (get_subvar_at): Declare.
7405 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7406 to unsigned HOST_WIDE_INT *.
7407 (overlap_subvar): Likewise.
7408 * tree-gimple.c (is_gimple_reg): Always return false for
7409 SFTs and memory tags.
7410 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7412 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7413 (compute_may_aliases): Call compute_points_to_sets.
7414 (collect_points_to_info_for): Remove.
7415 (compute_points_to_and_addr_escape): Remove.
7416 (delete_alias_info): Call delete_points_to_sets.
7417 (compute_flow_sensitive_aliasing): If the call to
7418 find_what_p_points_to returns false, call set_pt_anything.
7419 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7420 (set_pt_anything): Clear pi->pt_vars.
7421 (set_pt_malloc): Remove.
7422 (merge_pointed_to_info): Remove.
7423 (add_pointed_to_expr): Remove.
7424 (add_pointed_to_var): Remove.
7425 (collect_points_to_info_r): Remove.
7426 (is_escape_site): Make extern.
7428 (create_overlap_variables_for): Call it.
7429 * tree-ssa-copy.c (merge_alias_info): Never merge
7430 flow-sensitive alias information.
7431 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7432 offset and size to be unsigned HOST_WIDE_INT.
7433 (add_to_addressable_set): Rename from note_addressable.
7434 Set TREE_ADDRESSABLE as the variables are added to the set.
7436 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7437 operands into VUSEs when adding V_MAY_DEFs for members in an
7439 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7440 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7441 (struct variable_info): Add bitfield is_heap_var.
7442 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7443 (new_var_info): Initialize is_heap_var.
7444 (get_constraint_for): Add HEAP variables to the symbol table.
7445 Mark them with is_heap_var.
7446 (update_alias_info): New. Taken mostly from the old
7447 compute_points_to_and_addr_escape.
7448 (handle_ptr_arith): New.
7449 (find_func_aliases): Call update_alias_info.
7450 Call handle_ptr_info for tcc_binary expressions.
7451 Call mark_stmt_modified.
7452 (create_variable_info_for): If DECL has subvars, do not create
7453 variables for its subvars. Always add all the fields.
7454 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7455 SFTs, then add all the SFTs of the structure.
7456 If VI->DECL is an aggregate with subvariables, add the SFT at
7458 (find_what_p_points_to): If VI is an artificial variable,
7459 translate to bitfields in SSA_NAME_PTR_INFO.
7460 If the solution is empty, set pi->pt_vars to NULL
7461 (init_base_vars): Create ANYOFFSET.
7462 (compute_points_to_sets): Rename from create_alias_vars.
7464 (pass_build_pta): Remove.
7465 (delete_points_to_sets): Rename from delete_alias_vars.
7466 (pass_del_pta): Remove.
7467 * tree-ssa-structalias.h (struct alias_info): Move from
7469 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7470 NUM_REFERENCES_SET): Likewise.
7471 (compute_points_to_sets, delete_points_to_sets): Declare.
7473 2005-07-09 Richard Henderson <rth@redhat.com>
7475 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7476 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7477 alpha_split_lock_test_and_set_12): New functions.
7478 * config/alpha/alpha-protos.h: Update.
7479 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7480 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7481 * config/alpha/sync.md (I12MODE): New.
7482 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7483 (sync_<fetchop_name><I48MODE>): Likewise.
7484 (sync_nand<I48MODE>): Likewise.
7485 (sync_old_<fetchop_name><I48MODE>): Likewise.
7486 (sync_new_<fetchop_name><I48MODE>): Likewise.
7487 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7488 (sync_compare_and_swap<I48MODE>): Likewise.
7489 (sync_lock_test_and_set<I48MODE>): Likewise.
7490 (sync_compare_and_swap<I12MODE>): New.
7491 (sync_compare_and_swap<I12MODE>_1): New.
7492 (sync_lock_test_and_set<I12MODE>): New.
7493 (sync_lock_test_and_set<I12MODE>_1): New.
7495 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7499 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7501 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7503 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7504 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7506 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7509 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7511 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7513 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7514 memory_operand constraint.
7515 (store_conditional_<mode>): Same.
7516 (sync_compare_and_swap<mode>): Same.
7517 (sync_lock_test_and_set<mode>): Same.
7519 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7521 Rewrite PIC support to more closely model actual instructions.
7522 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7523 (cris_symbol): Remove prototypes for removed functions.
7524 (cris_pic_symbol_type_of, cris_valid_pic_const)
7525 (cris_expand_pic_call_address): Prototypes for new functions.
7526 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7528 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7530 <case ':'>: Add case for new punctuation character.
7531 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7532 emitting (extra) PIC modifier.
7533 <case UNSPEC>: Do not assert for PLT.
7534 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7535 (cris_expand_prologue, cris_expand_epilogue): Check
7536 for pic_offset_table_rtx usage instead of taking
7537 current_function_uses_pic_offset_table as the final word.
7538 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7539 Remove flag_pic difference.
7540 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7541 the moral equivalents of...
7542 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7544 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7545 (cris_handle_option): Mark ARG as unused.
7546 (cris_expand_pic_call_address): New worker function for "call",
7548 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7549 output PIC constructs here.
7550 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7551 as symbol-specific modifers, not whole or part of operands.
7552 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7553 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7554 constants and flag_pic.
7555 (CONSTANT_INDEX_P): Adjust for new functions.
7556 (enum cris_pic_symbol_type): New helper type.
7557 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7558 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7559 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7561 ("movsi"): Emit actual instructions for GOT and relative access.
7562 ("*movsi_got_load"): New pattern to set up the register holding
7564 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7565 Adjust FIXME for 'S'.
7566 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7567 Use "movs" for -fpic cases.
7568 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7569 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7570 ("call", "call_value"): Just call cris_expand_pic_call_address for
7572 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7573 Remove special pattern.
7574 ("*expanded_call_side", "*expanded_call_value_side"): New
7576 (gotplt-to-plt, gotplt-to-plt-side-call)
7577 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7579 * config/cris/cris/predicates.md
7580 ("cris_general_operand_or_gotless_symbol"): Remove unused
7582 ("cris_general_operand_or_symbol"): Adjust for new functions.
7584 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7586 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7588 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7590 * Makefile.in (TREE_H): Add treestruct.def.
7591 (c-decl.o): Add pointer-set.h
7592 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7593 visibility on regular DECL's.
7594 (merge_decls): Fix the copying of decl nodes of various types for
7595 the new structures. Don't update RTL, section name, weak status,
7596 etc, on DECL's without RTL.
7597 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7598 Don't check volatile on non-variable types.
7599 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7600 to check whether we have seen arguments.
7601 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7602 flag is checked before field (flag is common, field is not).
7603 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7604 TS_DECL_COMMON could have an origin.
7605 (add_location_or_const_value_attribute): Don't check section name
7606 on non-var/function decls.
7607 (dwarf2out_var_location): Reverse order of tests.
7608 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7609 with DECL_WRTL_CHECK.
7610 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7611 * fold-const.c (fold_binary): Don't check weakness on
7612 non-var/function decls.
7613 (tree_expr_nonzero_p): Ditto.
7614 (fold_checksum_tree): Use tree_decl_extra as sizeof
7616 * ggc-page.c (extra_order_size_table): Add sizes for
7617 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7619 * gimplify.c (gimplify_bind_expr): Only set
7620 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7621 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7623 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7624 * langhooks.h (init_ts). New langhook.
7625 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7626 * print-tree.c (print_node): Update to only print fields that
7627 exist in the structures the passed decl has.
7628 * toplev.c (wrapup_global_declarations): Don't reset
7629 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7630 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7631 * tree-inline.c (remap_decl): Ditto.
7632 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7633 * tree-pretty-print.c (print_declaration): Don't print
7634 DECL_REGISTER on things that don't contain it.
7635 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7636 non-var/function decls.
7637 * tree.c (tree_contains_struct): New structure.
7638 (init_priority_for_decl): New hashtable.
7639 (tree_int_map): New structure.
7640 (tree_int_map_eq): New function.
7641 (tree_int_map_marked_p): Ditto.
7642 (tree_int_map_hash): Ditto.
7643 (tree_map): Move to tree.h.
7644 (tree_map_eq): Externalize.
7645 (tree_map_hash): Ditto.
7646 (tree_map_marked_p): Ditto.
7647 (init_ttree): Set up tree_contains_struct and call langhook.
7648 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7649 (tree_code_size): Update for new structures.
7650 (tree_node_structure): Update for new structures.
7651 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7653 (copy_node_stat): Copy init priority.
7654 (build_decl_stat): Ditto for visibility.
7655 (ts_enum_names): New.
7656 (tree_contains_struct_check_failed): New function.
7657 (decl_init_priority_lookup): Ditto.
7658 (decl_init_priority_insert): Ditto.
7659 * treestruct.def: New file.
7660 * tree.h (CODE_CONTAINS_STRUCT): New macro.
7661 (CONTAINS_STRUCT_CHECK): Ditto.
7662 (tree_contains_struct_check_failed): New prototype.
7663 (DECL_CHECK): Removed.
7664 (DECL_MINIMAL_CHECK): New.
7665 (DECL_COMMON_CHECK): Ditto.
7666 (DECL_WRTL_CHECK): Ditto.
7667 (DECL_NON_COMMON_CHECK): Ditto.
7668 (DECL_WITH_VIS_CHECK): Ditto.
7669 (VAR_OR_FUNCTION_DECL_P): Ditto
7670 (struct tree_decl_minimal): New structure.
7671 (struct tree_decl_common): Ditto.
7672 (struct tree_decl_with_rtl): Ditto.
7673 (struct tree_decl_with_vis): Ditto.
7674 (struct tree_decl_non_common): Ditto.
7675 (struct tree_field_decl): Ditto.
7676 (struct tree_parm_decl): Ditto.
7677 (struct tree_var_decl): Ditto.
7678 (struct tree_function_decl): Ditto.
7679 (struct tree_const_decl): Ditto.
7680 (struct tree_result_decl): Ditto.
7681 (union tree_node): Add new structures.
7682 * var-tracking.c (track_expr_p): Reverse order of tests.
7684 * doc/c-tree.texi: Add documentation on DECL node internal structure.
7686 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7688 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7689 * system.h: Poison FINALIZE_PIC.
7690 * doc/tm.texi (FINALIZE_PIC): Remove.
7692 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7695 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7696 to the correct type if we have a MODIFY_EXPR.
7698 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7700 PR tree-optimization/22360
7701 * tree.c (upper_bound_in_type): Fix calculations for casting
7702 to a non-wider signed type and casting a signed value to a
7703 wider unsigned type.
7704 (lower_bound_in_type): Fix calculations for casting to a
7705 non-wider signed type.
7707 PR tree-optimization/20139
7708 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7710 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7711 fold_cond_expr_cond.
7712 * tree-ssanames.c (release_defs): Assert in_ssa_p.
7713 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7715 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7718 * tree-complex.c (expand_complex_libcall): Produce
7719 REALPART_EXPR/IMAGPART_EXPR with the correct type.
7721 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
7723 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7724 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7725 b" assert and inserted fastpath code for this case.
7726 (bitmap_ior): Removed "a != b" assert.
7728 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7730 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7731 (ENDFILE_SPEC): Likewise.
7732 * config/m32r/m32r.h (ASM_SPEC): Likewise.
7734 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7735 a large stack frame at epilogue.
7737 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
7739 * final.c: Include sdbout.h when required.
7741 2005-07-07 Geoffrey Keating <geoffk@apple.com>
7743 * config.gcc (*-*-darwin*): Only one target-specific header file
7745 (powerpc-*-darwin*): Add version-specific header files.
7746 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7747 * config.in: Regenerate.
7748 * configure: Regenerate.
7749 * gcc.c: Include xregex.h.
7750 (version_compare_spec_function): New.
7751 (spec_function): Add version-compare.
7752 (replace_outfile_spec_function): Reformat comment.
7753 (compare_version_strings): New.
7754 * config/darwin-c.c (version_as_macro): New.
7755 (builtin_define): New.
7756 (darwin_cpp_builtins): New.
7757 * config/darwin-protos.h (darwin_cpp_builtins): New.
7758 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7759 (LIB_SPEC): Make unconditional, update comment.
7760 (TARGET_C99_FUNCTIONS): Define.
7761 * config/darwin.opt: Sort.
7762 (mmacosx-version-min=): New.
7763 * config/darwin7.h: Delete.
7764 * config/darwin8.h: Delete.
7765 * config/i386/darwin.h (): Call darwin_cpp_builtins.
7766 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7767 (TARGET_C99_FUNCTIONS): Define.
7768 * config/rs6000/darwin7.h: New.
7769 * config/rs6000/darwin8.h: New.
7770 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7771 (-mmacosx-version-min): Document.
7773 2005-07-07 Ian Lance Taylor <ian@airs.com>
7775 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7777 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
7780 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7782 2005-07-07 Khem Raj <kraj@mvista.com>
7784 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7785 in bytes, not words.
7787 2005-07-07 Paul Brook <paul@codesourcery.com>
7789 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7790 DEFAULT_FUNCTION_ARG_PADDING to upward.
7792 2005-07-07 Richard Henderson <rth@redhat.com>
7794 * function.c (locate_and_pad_parm): Record parameter alignment in
7795 stack_alignment_needed.
7797 2005-07-07 David Edelsohn <edelsohn@gnu.org>
7799 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7800 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7801 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7802 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7803 (define_attr "type"): Add isync, sync, load_l, store_c.
7804 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7805 Create scratch volatile MEM.
7806 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
7808 (load_locked_<mode>): New.
7809 (store_conditional_<mode>): New.
7810 (sync_compare_and_swap<mode>): Replace with splitter.
7811 (sync_lock_test_and_set<mode>): Replace with splitter.
7812 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7814 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
7815 is ics. Attribute isync.
7816 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
7818 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7819 and UNSPECV_SYNC_OP.
7820 (emit_unlikely_jump): New.
7821 (emit_load_locked): New.
7822 (emit_store_conditional): New.
7823 (rs6000_split_compare_and_swap): New.
7824 (rs6000_split_lock_test_and_set): New.
7825 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7826 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7827 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7828 rs6000_split_lock_test_and_set): Declare.
7829 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7830 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7831 store_c, isync, sync.
7833 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
7835 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7836 filenames to gtyp-gen.h.
7837 (s-typ-gen): Use it in place of for loops.
7839 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
7841 * hooks.c (hook_bool_rtx_int_false): New function.
7842 * hooks.h (hook_bool_rtx_int_false): Declare.
7843 * target-def.h (TARGET_COMMUTATIVE_P): Define.
7844 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
7845 * target.h (struct gcc_target): Add commutative_p member.
7846 * targhooks.c (hook_bool_rtx_commutative_p): New function.
7847 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
7848 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
7849 (pa_commutative_p): New function.
7850 * jump.c (target.h): Include.
7851 (rtx_renumbered_equal_p): Use targetm.commutative_p.
7852 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
7854 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7856 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
7857 (s390_expand_setmem): New.
7858 * config/s390/s390.c: Likewise.
7859 (print_shift_count_operand): Truncate to 12 bits instead of 6.
7861 * config/s390/s390.md: ("setmem<mode>"): Accept character as
7862 general_operand. Call new function "s390_expand_setmem".
7863 ("clrmem_long", "*clrmem_long"): Rewrite to ...
7864 ("setmem_long", "*setmem_long"): ... this.
7866 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7868 * config/s390/s390.c: (optimization_options): Enable
7869 TARGET_MVCLE at -Os.
7870 * doc/invoke.texi: Document changes in default behaviour.
7871 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
7873 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7875 * expr.c: (set_storage_via_setmem): Convert opchar to mode
7876 defined by back-end.
7878 2005-07-07 Jakub Jelinek <jakub@redhat.com>
7880 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
7881 all sets in the pattern.
7882 * config/rs6000/rs6000.md (stack_protect_testsi,
7883 stack_protect_testdi): Likewise.
7885 2005-07-06 Jeff Law <law@redhat.com>
7887 * tree-vrp.c (simplify_using_ranges): Kill.
7888 (vrp_finalize): Remove call to simplify_using_ranges.
7889 (simplify_stmt_using_ranges): New function extracted from
7890 simplify_using_ranges.
7891 (simplify_div_or_mod_using_ranges): Likewise.
7892 (simplify_abs_using_ranges): Likewise.
7893 (simplify_cond_using_ranges): New function.
7894 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7895 * tree-ssa-propagate.c (substitute_and_fold): Call
7896 simplify_stmt_using_ranges if we have range information.
7898 2005-07-06 James E. Wilson <wilson@specifixinc.com>
7900 * config/ia64/ia64.c (ia64_reorg): Check optimize before
7901 ia64_flag_schedule_isns2.
7903 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7904 reading/writing general registers.
7905 (ia64_function_arg): Revert 2005-06-18 change.
7907 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
7909 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
7910 (legitimize_tls_address): Use gcc_unreachable instead of abort.
7912 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
7914 * function.c (expand_function_end): Revert part of 2005-06-27
7915 patch. Do sjlj_emit_function_exit_after after return_label.
7917 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7919 * doc/install.texi (--disable-libssp): New.
7921 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
7923 * doc/invoke.texi: Update -fforce-mem documentation.
7924 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7925 code for -fforce-mem.
7926 * expmed.c: (store_bit_field,store_fixed_bit_field,
7927 extract_bit_field): Ditto.
7928 * expr.c: (convert_move): Ditto.
7929 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
7930 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7931 emit_conditional_add,expand_float,expand_fix): Ditto.
7932 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7933 (common_handle_option): Issue warning when -fforce-mem specified.
7935 2005-07-06 Paul Brook <paul@codesourcery.com>
7937 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7939 * configure: Regenerate.
7941 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
7943 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7945 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
7947 Fix PR tree-optimization/22319
7948 Fix PR tree-optimization/22140
7949 Fix PR tree-optimization/22310
7951 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7952 variable sized types.
7953 Use correct type for intermediate structure on *a = *b structure
7956 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7958 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7960 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7961 (machine_function): Move typedef to...
7962 * config/rs6000/rs6000.c (machine_function): ... here. Add
7963 varargs_save_offset field.
7964 (rs6000_stack_t): Remove varargs_size field.
7965 (setup_incoming_varargs): Allocate varargs save area using
7966 assign_stack_local, try to make it as small as possible.
7967 Save offset from virtual_stack_vars_rtx to the save area
7968 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
7969 instead of magic 8 when fp word byte size is used.
7970 (rs6000_va_start): Use cfun->machine->varargs_save_offset
7971 instead of -RS6000_VARARGS_SIZE.
7972 (rs6000_stack_info, debug_stack_info,
7973 rs6000_initial_elimination_offset): Remove all traces of
7975 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7976 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7977 RS6000_VARARGS_AREA.
7979 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7981 PR tree-optimization/21963
7982 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7983 constant_multiple_of in the same way get_computation_cost_at does.
7985 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7987 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7988 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7989 (gen_compare_reg): If sparc_compare_emitted is set, clear it
7990 and return its previous value.
7991 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7992 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7994 (stack_protect_set, stack_protect_test): New expanders.
7995 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7996 stack_protect_testdi): New insns.
7997 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7998 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8000 2005-07-06 Jeff Law <law@redhat.com>
8002 * tree-ssa-dce.c (cfg_altered): New global.
8003 (tree_dce_init): Initialize cfg_altered.
8004 (remove_dead_stmt): If we remove an edge in the CFG, then set
8006 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8009 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8011 * Makefile.in (stamp-collect-ld): Use
8012 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8013 ./collect-ld if it already exists.
8014 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8015 Don't remove ./nm if it already exists.
8017 2005-07-05 Devang Patel <dpatel@apple.com>
8019 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8020 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8021 * tree-vectorizer.c (vect_loop_location): New.
8022 (vect_print_dump_info): Use vect_loop_location.
8023 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8024 (vectorize_loops): Set vect_loop_location.
8025 * tree-vect-analyze.c (vect_analyze_offset_expr,
8026 vect_determin_vectorization_factor, vect_analyze_operations,
8027 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8028 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8029 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8030 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8031 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8032 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8033 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8034 vect_analyze_loop): Adjust vect_print_dump_info API.
8035 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8036 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8037 vect_finish_stmt_generation, vectorizable_assignment,
8038 vectorizable_operation, vectorizable_store, vectorizable_load,
8039 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8040 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8041 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8042 vect_transform_loop): Same.
8043 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8044 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8047 2005-07-05 Randolph Chung <tausq@debian.org>
8049 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8050 * configure: Regenerate.
8051 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8052 (pa_tls_referenced_p): Declare.
8053 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8054 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8055 (legitimize_tls_address): New.
8056 (hppa_legitimize_address): Handle TLS addresses.
8057 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8058 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8059 (emit_move_sequence): Handle TLS addresses.
8060 (pa_encode_section_info): Call default handler to handle common
8062 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8063 (CONSTANT_ADDRESS_P): Reject TLS operands.
8064 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8065 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8066 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8067 (UNSPEC_TLSLE): Define new constants.
8068 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8069 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8070 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8071 (tie_symbolic_operand, tle_symbolic_operand): New
8073 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8075 * aclocal.m4: Update macros for autoconf 2.59 style.
8076 * configure.ac: Likewise.
8078 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8080 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8081 (function_arg): Pass small aggregates in general registers on 32-bit
8083 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8085 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8087 * Makefile.in (final.o): Fix dependencies.
8089 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8093 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8094 * langhooks.c (lhd_expr_to_decl): New.
8095 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8097 (LANG_HOOKS_INITIALIZER): Update.
8098 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8099 expr_to_decl langhook.
8100 * c-tree.h (c_expr_to_decl): Declare.
8101 * c-typeck.c (c_expr_to_decl): New.
8102 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8104 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8106 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8109 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8110 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8112 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8114 * Makefile.in: Adjust dependencies.
8115 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8116 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8117 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8118 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8119 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8120 rest_of_compilation.
8122 * bb-reorder.c (gate_duplicate_computed_gotos,
8123 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8124 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8125 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8126 pass_partition_blocks): New.
8127 * bt-load.c (gate_handle_branch_target_load_optimize,
8128 rest_of_handle_branch_target_load_optimize,
8129 pass_branch_target_load_optimize): New.
8130 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8132 * cfglayout.c (pass_insn_locators_initialize): New.
8133 * cfgrtl.c (pass_free_cfg): New.
8134 * combine.c (gate_handle_combine, rest_of_handle_combine,
8136 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8137 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8138 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8139 * except.c (pass_set_nothrow_function_flags,
8140 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8142 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8143 rest_of_handle_shorten_branches, pass_shorten_branches,
8144 rest_of_clean_state, pass_clean_state): New.
8145 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8146 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8147 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8149 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8150 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8151 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8152 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8154 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8155 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8156 pass_rtl_ifcvt, gate_handle_if_after_combine,
8157 rest_of_handle_if_after_combine, pass_if_after_combine,
8158 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8159 pass_if_after_reload): New.
8160 * integrate.c (pass_initial_value_sets): New.
8161 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8162 pass_purge_lineno_notes): New.
8163 * mode-switching.c (rest_of_handle_mode_switching,
8164 pass_mode_switching): New.
8165 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8166 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8168 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8169 pass_loop_optimize): New.
8170 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8172 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8174 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8175 pass_postreload_cse): New.
8176 * profile.c (gate_handle_profiling, pass_profiling,
8177 rest_of_handle_branch_prob, pass_branch_prob): New.
8178 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8179 pass_split_before_regstack, gate_handle_split_before_regstack,
8180 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8181 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8182 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8183 pass_stack_regs): New.
8184 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8185 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8186 pass_stack_adjustments): New.
8187 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8188 pass_regrename): New.
8189 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8190 pass_delay_slots, gate_handle_machine_reorg,
8191 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8192 * rtl.h (extern void purge_line_number_notes): New.
8193 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8194 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8196 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8198 * value-prof.c (gate_handle_value_profile_transformations,
8199 rest_of_handle_value_profile_transformations,
8200 pass_value_profile_transformations): New.
8201 * var-tracking.c (gate_handle_var_tracking,
8202 pass_variable_tracking): New.
8203 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8205 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8206 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8207 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8208 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8209 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8210 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8211 rest_of_handle_gcse2, rest_of_handle_regmove,
8212 rest_of_handle_tracer, rest_of_handle_if_conversion,
8213 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8214 rest_of_handle_web, rest_of_handle_branch_prob,
8215 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8216 rest_of_handle_jump_bypass, rest_of_handle_combine,
8217 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8218 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8219 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8220 rest_of_handle_mode_switching, rest_of_handle_jump,
8221 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8222 rest_of_handle_flow2, rest_of_handle_jump2,
8223 rest_of_handle_peephole2, rest_of_handle_postreload,
8224 rest_of_handle_shorten_branches, rest_of_clean_state,
8225 rest_of_compilation): Remove.
8227 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8228 * passes.c (dump_flags, in_gimple_form, all_passes,
8229 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8230 register_dump_files, next_pass_1, last_verified, execute_todo,
8231 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8232 from tree-optimize.c.
8233 (init_optimization_passes): Moved from tree-optimize.c,
8234 adding the RTL optimizations.
8235 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8236 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8237 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8238 register_dump_files, next_pass_1, last_verified, execute_todo,
8239 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8240 init_tree_optimization_passes, ipa_passes): Delete.
8241 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8243 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8244 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8246 (ipa_passes): Remove.
8247 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8248 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8249 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8250 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8251 (dump_info_p, dump_flag): Moved to tree-dump.h.
8253 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8255 * passes.c (finish_optimization_passes): Use dump_begin
8256 and dump_end, TDI_end.
8257 (gate_rest_of_compilation): New.
8258 (pass_rest_of_compilation): Use it.
8259 (gate_postreload, pass_postreload): New.
8260 * toplev.c (general_init): Rename init_tree_optimization_passes.
8261 * toplev.h (init_tree_optimization_passes): Rename to
8262 init_optimizations_passes.
8263 * tree-dump.c (dump_flag): Make static.
8264 (dump_files): Remove RTL dumps.
8265 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8266 pass_cleanup_cfg, pass_free_cfg_annotations,
8267 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8268 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8269 * tree-pretty-print.c: Include tree-pass.h.
8270 * cgraph.c: Include tree-dump.h.
8272 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8274 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8275 Only fall back to saying it points to readonly memory if
8278 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8280 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8281 * config/m32r/m32r.c (m32r_compute_frame_size,
8282 m32r_expand_prologue): Take current_function_profile into
8283 account whenever we reference
8284 current_function_uses_pic_offset_table.
8285 (m32r_finalize_pic): Remove.
8286 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8288 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8290 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8291 instead of $<. Don't remove ./as if it already exists.
8293 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8296 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8297 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8298 for complex modes when generating code for PA 1.0.
8299 (VALID_FP_MODE_P): New macro.
8300 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8301 sets for all general and floating point modes. Align wide floating
8302 point modes to even register boundaries to comply with architectural
8304 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8305 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8306 (VALID_FP_MODE_P): New macro.
8307 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8308 sets for all general and floating point modes. Align wide floating
8309 point modes to even register boundaries to comply with architectural
8312 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8314 * tree-dump.c (dump_files): Initialize dump number for .cgraph
8317 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8319 * tree-ssa-structalias.c: Don't include expr.h.
8321 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8323 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8326 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8328 Fix PR tree-optimization/22279
8330 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8333 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
8335 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8337 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8339 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8340 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8341 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8342 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8343 config/stormy16/stormy16.c, config/v850/v850.c,
8344 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8345 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8346 Avoid "." or "\n" at end of diagnostics and capital letters at
8347 start of diagnostics.
8348 * combine.c, cse.c: Don't translate dump file output.
8349 * toplev.c (print_version): Only translate output if going to
8352 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8354 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8355 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8358 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8360 * pa.c (fix_range): Fix typo in comment.
8362 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8364 * tree-vrp.c (extract_range_from_assert): Replace
8365 fold (build (...)) with fold_build2.
8367 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8369 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8370 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8371 (format_types_orig, handle_format_attribute): Add support for
8374 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8376 * varasm.c (assemble_variable): Fix format specifier thinko.
8378 2005-07-03 Ira Rosen <irar@il.ibm.com>
8380 PR tree-optimization/22029 (and 22135)
8381 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8382 a phi node before calling dump_vops.
8384 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8386 * tree-dump.h (dump_string_field): Declare.
8387 * tree-dump.c: Use it instead of dump_string.
8388 (dump_string_field): Make non-static.
8390 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8392 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8393 up the minimal CFG stuff always when optimize > 0. Call
8394 split_all_insns_noflow in PIC case if needed.
8396 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8397 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8400 * c-decl.c (c_write_global_declarations): Dump contents of
8402 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8403 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8404 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8405 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8408 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8410 * c-common.h (GCC_DIAG_STYLE): Define.
8411 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8412 version for format checking to 4.1.
8413 * c-format.c: Include toplev.h after c-common.h.
8414 (enum format_type): Add gcc_tdiag_format_type.
8415 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8416 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8417 (format_types_orig): Add gcc_tdiag.
8418 (init_dynamic_diag_info): Support gcc_tdiag formats.
8419 (handle_format_attribute): Likewise.
8420 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8421 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8422 version for format checking to 4.1.
8423 (warning0, warning, error, pedwarn, sorry): Use
8425 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8426 (finish_aliases_1): Do not use %qE.
8427 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8428 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8429 Correct format bugs.
8430 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8431 parameter to unsigned HOST_WIDE_INT.
8432 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8434 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8437 * expr.c (write_complex_part): Use adjust_address for MEM.
8438 (read_complex_part): Same.
8440 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8442 Fix PR tree-optimization/22280
8444 * tree-sra.c (generate_element_init): Remove useless loop.
8446 2005-07-02 Richard Henderson <rth@redhat.com>
8448 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8450 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8452 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8455 * fold-const.c (fold_binary): Handle the return value of
8456 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8457 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8459 2005-07-02 Jeff Law <law@redhat.com>
8461 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8462 a eliminate type conversion which feeds an equality comparison
8463 if the original type or either operand in the comparison is a
8466 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8468 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8469 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8471 * config/avr/avr.c: Do not use '`' as left quote.
8472 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8473 Remove "." from end of diagnostics. Make diagnostics start with
8476 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8477 Joseph S. Myers <joseph@codesourcery.com>
8479 * toplev.c (default_tree_printer): Handle setting location with
8481 * c-objc.common.c (c_tree_printer): Likewise.
8482 * c-format.c (gcc_diag_flag_specs): Add '+'.
8483 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8484 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8486 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8487 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8488 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8489 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8490 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8491 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8492 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8493 format arguments where %J is used without %D.
8495 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8497 * gcc.c (LINK_SSP_SPEC): Define.
8498 (link_ssp_spec): New variable.
8499 (LINK_COMMAND_SPEC): Add %(link_ssp).
8500 (static_specs): Add link_ssp_spec.
8501 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8502 * configure: Rebuilt.
8503 * config.in: Rebuilt.
8505 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8506 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8507 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8508 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8509 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8510 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8511 -0x7008(2) instead of reading __stack_chk_guard variable.
8512 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8514 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8515 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8516 if TARGET_THREAD_SSP_OFFSET is defined.
8517 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8518 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8521 2005-06-27 Richard Henderson <rth@redhat.com>
8522 * libgcc-std.ver (GCC_4.1.0): New.
8523 * libgcc.h (__stack_chk_guard): Declare.
8524 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8525 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8526 * mklibgcc.in (lib2funcs): Add them.
8528 2005-07-01 Richard Henderson <rth@redhat.com>
8530 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8531 void * before struct sigcontext *.
8532 (x86_fallback_frame_state): Likewise.
8534 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8536 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8538 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8541 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8542 we check for SSA_NAME for.
8544 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8546 Fix PR tree-optimization/22071
8548 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8550 (get_constraint_for_component_ref): Use it.
8552 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8555 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8556 print out the last new line.
8558 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8560 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8561 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8562 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8563 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8564 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8565 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8566 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8567 (enum reg_class): New member CC0_REGS.
8568 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8569 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8570 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8571 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8572 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8573 Adjust for register now described.
8575 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8578 * config/i386/i386.md (stack_protect_test_si,
8579 stack_protect_test_di): Add earlyclobber for scratch 3.
8580 * config/rs6000/rs6000.md (stack_protect_testsi,
8581 stack_protect_testdi): Add earlyclobber for scratch 3,
8582 remove earlyclobber from scratch 4.
8584 Older entries for 2005 can be found in ChangeLog-2005.